/* ==========================================================================
   Ant Messenger — official download landing page
   Original design system · 2026
   ========================================================================== */

:root {
  --ink: #07152b;
  --ink-2: #0a1c38;
  --ink-3: #10284a;
  --blue: #2f6bff;
  --blue-deep: #1650e6;
  --blue-bright: #5c93ff;
  --sky: #8ec9ff;
  --mint: #69e0b2;
  --amber: #ffb454;
  --paper: #f6f8fc;
  --paper-2: #eef3fb;
  --white: #ffffff;
  --text: #0b1a31;
  --text-2: #263b58;
  --muted: #5d6f88;
  --muted-2: #7e8da3;
  --line: rgba(14, 38, 76, 0.1);
  --line-light: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 18px 40px -30px rgba(11, 35, 74, 0.38);
  --shadow-md: 0 34px 70px -44px rgba(11, 35, 74, 0.48);
  --shadow-blue: 0 18px 50px -18px rgba(47, 107, 255, 0.55);
  --container: 1200px;
  --radius: 28px;
  --font-sans: "Segoe UI Variable Text", "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
  --font-display: "Bahnschrift", "Segoe UI Variable Display", "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-mono: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 108px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

::selection {
  background: rgba(47, 107, 255, 0.22);
  color: var(--ink);
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  color: inherit;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
figure {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

em {
  font-style: normal;
}

:focus-visible {
  outline: 2px solid var(--blue-bright);
  outline-offset: 4px;
  border-radius: 4px;
}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}

.icon {
  width: 1.15em;
  height: 1.15em;
  flex: 0 0 auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 10000;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--white);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-150%);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.skip-link:focus {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-grain {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  opacity: 0.022;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  mix-blend-mode: multiply;
}

.scroll-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 9997;
  height: 2px;
  background: transparent;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--blue), var(--sky), var(--amber));
  box-shadow: 0 0 12px rgba(92, 147, 255, 0.8);
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: padding 0.35s ease;
}

.nav-shell {
  width: min(1240px, calc(100% - 48px));
  min-height: 70px;
  margin-inline: auto;
  padding: 0 12px 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 20px;
  background: rgba(7, 21, 43, 0.42);
  box-shadow: 0 20px 50px -35px rgba(0, 0, 0, 0.7);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
  backdrop-filter: blur(18px) saturate(125%);
  transition:
    background 0.35s ease,
    border-color 0.35s ease,
    box-shadow 0.35s ease,
    min-height 0.35s ease;
}

.site-header.is-scrolled {
  padding: 10px 0;
}

.site-header.is-scrolled .nav-shell {
  min-height: 62px;
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(14, 38, 76, 0.08);
  box-shadow: 0 24px 55px -38px rgba(7, 21, 43, 0.48);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  border-radius: 12px;
}

.brand-tile {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: var(--white);
  box-shadow: 0 8px 22px -10px rgba(0, 0, 0, 0.45);
}

.brand-tile img {
  width: 32px;
  height: 32px;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.2;
}

.brand-copy strong {
  color: var(--white);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: color 0.3s ease;
}

.brand-copy span {
  color: rgba(205, 225, 255, 0.55);
  font-family: var(--font-mono);
  font-size: 7.5px;
  letter-spacing: 0.16em;
  transition: color 0.3s ease;
}

.site-header.is-scrolled .brand-copy strong {
  color: var(--ink);
}

.site-header.is-scrolled .brand-copy span {
  color: var(--muted-2);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 34px);
  margin-left: auto;
}

.primary-nav a {
  position: relative;
  padding: 8px 0;
  color: rgba(220, 233, 252, 0.68);
  font-size: 13.5px;
  font-weight: 500;
  transition: color 0.25s ease;
  white-space: nowrap;
}

.primary-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: 100% 50%;
  transition: transform 0.3s ease;
}

.primary-nav a:hover,
.primary-nav a.is-active {
  color: var(--white);
}

.primary-nav a:hover::after,
.primary-nav a.is-active::after {
  transform: scaleX(1);
  transform-origin: 0 50%;
}

.site-header.is-scrolled .primary-nav a {
  color: var(--muted);
}

.site-header.is-scrolled .primary-nav a:hover,
.site-header.is-scrolled .primary-nav a.is-active {
  color: var(--ink);
}

.nav-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.locale-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 34px;
  padding: 0 11px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 99px;
  color: rgba(221, 234, 255, 0.65);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  transition: all 0.3s ease;
}

.locale-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 8px rgba(105, 224, 178, 0.8);
}

.site-header.is-scrolled .locale-chip {
  border-color: var(--line);
  color: var(--muted);
}

.menu-toggle {
  width: 42px;
  height: 42px;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: all 0.3s ease;
}

.menu-toggle span {
  display: block;
  width: 17px;
  height: 1.5px;
  margin: 0;
  background: var(--white);
  transition: transform 0.3s ease, background 0.3s ease;
}

.site-header.is-scrolled .menu-toggle {
  border-color: var(--line);
  background: rgba(15, 38, 76, 0.03);
}

.site-header.is-scrolled .menu-toggle span {
  background: var(--ink);
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

.mobile-nav {
  display: none;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.01em;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition:
    transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1),
    box-shadow 0.3s ease,
    background 0.3s ease,
    color 0.3s ease,
    border-color 0.3s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn .icon {
  transition: transform 0.3s ease;
}

.btn:hover .icon {
  transform: translate(2px, -1px);
}

.btn-primary {
  background: linear-gradient(135deg, #3b77ff 0%, #1e5bf0 55%, #1348d7 100%);
  color: var(--white);
  box-shadow: var(--shadow-blue);
}

.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(110deg, transparent 20%, rgba(255, 255, 255, 0.24) 50%, transparent 80%);
  transform: translateX(-120%);
  transition: transform 0.65s ease;
}

.btn-primary:hover::before {
  transform: translateX(120%);
}

.btn-primary:hover {
  box-shadow: 0 24px 58px -16px rgba(47, 107, 255, 0.68);
}

.btn-sm {
  min-height: 40px;
  padding: 9px 18px;
  font-size: 12.5px;
}

.btn-lg {
  min-height: 56px;
  padding: 15px 28px;
  font-size: 15px;
}

.btn-ghost-light {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.045);
  color: var(--white);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.btn-ghost-light:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.09);
}

.btn-white {
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 18px 45px -20px rgba(0, 0, 0, 0.45);
}

.btn-white:hover {
  background: #f4f7ff;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 950px;
  padding: 158px 0 64px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 65% at 72% 35%, rgba(32, 74, 171, 0.35), transparent 70%),
    linear-gradient(155deg, #061126 0%, #07172f 44%, #061226 100%);
  color: var(--white);
  isolation: isolate;
}

.hero-aurora {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.aurora {
  position: absolute;
  display: block;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.65;
  animation: auroraFloat 18s ease-in-out infinite alternate;
}

.aurora-one {
  width: 620px;
  height: 540px;
  top: -100px;
  right: 4%;
  background: radial-gradient(circle at 40% 40%, rgba(44, 104, 255, 0.5), rgba(36, 83, 206, 0.08) 58%, transparent 75%);
}

.aurora-two {
  width: 480px;
  height: 420px;
  left: -8%;
  bottom: 4%;
  background: radial-gradient(circle at 50% 50%, rgba(77, 149, 255, 0.23), transparent 70%);
  animation-delay: -7s;
}

.aurora-three {
  width: 300px;
  height: 280px;
  right: 24%;
  bottom: -10%;
  background: radial-gradient(circle at 50% 50%, rgba(255, 168, 74, 0.13), transparent 72%);
  animation-delay: -11s;
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(146, 180, 244, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(146, 180, 244, 0.055) 1px, transparent 1px);
  background-size: 66px 66px;
  -webkit-mask-image: radial-gradient(ellipse 75% 74% at 67% 43%, #000 0%, transparent 78%);
  mask-image: radial-gradient(ellipse 75% 74% at 67% 43%, #000 0%, transparent 78%);
  opacity: 0.72;
}

.hero-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, transparent 48%, rgba(7, 21, 43, 0.3) 100%);
}

.hero-orbit {
  position: absolute;
  top: 18%;
  right: -140px;
  z-index: -1;
  width: 700px;
  height: 700px;
  pointer-events: none;
  opacity: 0.55;
}

.hero-orbit span {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(139, 177, 255, 0.08);
  border-radius: 50%;
}

.hero-orbit span:nth-child(2) {
  inset: 90px;
  border-color: rgba(139, 177, 255, 0.1);
}

.hero-orbit span:nth-child(3) {
  inset: 190px;
  border-color: rgba(139, 177, 255, 0.12);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(0, 1.02fr);
  align-items: center;
  gap: 34px;
  min-height: 650px;
}

.hero-copy {
  position: relative;
  z-index: 4;
  max-width: 590px;
  padding: 18px 0 10px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 32px;
  padding: 6px 14px 6px 11px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  color: rgba(221, 235, 255, 0.72);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.pulse-dot {
  position: relative;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 12px rgba(105, 224, 178, 0.9);
}

.pulse-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border: 1px solid rgba(105, 224, 178, 0.5);
  border-radius: 50%;
  animation: pulseRing 2.4s ease-out infinite;
}

.hero h1 {
  margin-top: 28px;
  color: var(--white);
  font-family: var(--font-display);
  font-size: clamp(48px, 4.8vw, 66px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.05em;
}

.hero-highlight {
  position: relative;
  display: inline-block;
  background: linear-gradient(100deg, #ffffff 0%, #a9cdff 42%, #5f96ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.hero-highlight::after {
  content: "";
  position: absolute;
  left: 3%;
  right: 4%;
  bottom: 2px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(112, 166, 255, 0.5), transparent);
}

.hero-soft {
  color: #c5d9f8;
}

.hero-lede {
  max-width: 530px;
  margin-top: 26px;
  color: rgba(218, 231, 250, 0.7);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.005em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-platforms {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 34px;
  color: rgba(210, 226, 248, 0.55);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
}

.platform-label {
  color: rgba(169, 201, 255, 0.48);
  font-size: 8.5px;
  letter-spacing: 0.18em;
}

.platform-divider {
  width: 20px;
  height: 1px;
  background: rgba(158, 190, 242, 0.3);
}

.hero-fineprint {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 17px;
  color: rgba(196, 214, 240, 0.44);
  font-size: 10.5px;
  letter-spacing: 0.02em;
}

.hero-fineprint .icon {
  width: 14px;
  height: 14px;
  color: var(--mint);
}

.hero-visual {
  position: relative;
  min-height: 620px;
  perspective: 1600px;
}

.scene {
  --mx: 0;
  --my: 0;
  position: absolute;
  inset: 0;
  z-index: 3;
  transform-style: preserve-3d;
}

.scene-halo {
  position: absolute;
  top: 12%;
  left: 9%;
  width: 82%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(50, 111, 255, 0.32), rgba(31, 80, 194, 0.09) 45%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

.scene-rings {
  position: absolute;
  top: 14%;
  left: 17%;
  width: 66%;
  aspect-ratio: 1;
  pointer-events: none;
  opacity: 0.55;
}

.scene-rings span {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(139, 178, 255, 0.1);
  border-radius: 50%;
}

.scene-rings span:nth-child(2) {
  inset: 15%;
  border-color: rgba(139, 178, 255, 0.13);
}

.scene-rings span:nth-child(3) {
  inset: 30%;
  border-color: rgba(139, 178, 255, 0.16);
}

/* Desktop app mockup */

.app-window {
  position: absolute;
  top: 48px;
  right: -16px;
  width: min(640px, 110%);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 18px;
  background: #f7f9fe;
  box-shadow:
    0 60px 100px -35px rgba(0, 0, 0, 0.65),
    0 0 0 1px rgba(11, 35, 74, 0.08);
  transform: rotateY(calc(-7deg + var(--mx) * 2deg)) rotateX(calc(3deg + var(--my) * -1.4deg)) translateZ(20px);
  transform-origin: 60% 50%;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
}

.app-window:hover {
  transform: rotateY(-1deg) rotateX(0) translateZ(30px);
}

.app-chrome {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 39px;
  padding: 0 13px;
  border-bottom: 1px solid rgba(14, 38, 76, 0.07);
  background: rgba(255, 255, 255, 0.92);
}

.traffic-lights {
  display: flex;
  gap: 5px;
}

.traffic-lights span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #d7deeb;
}

.traffic-lights span:first-child {
  background: #ff9b8c;
}

.traffic-lights span:nth-child(2) {
  background: #ffcf7b;
}

.traffic-lights span:nth-child(3) {
  background: #70d9a1;
}

.chrome-search {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  height: 23px;
  padding: 0 9px;
  border: 1px solid rgba(14, 38, 76, 0.06);
  border-radius: 7px;
  background: #f3f6fc;
  color: #93a1b7;
  font-size: 7.5px;
  letter-spacing: 0.01em;
}

.chrome-search svg {
  width: 9px;
  height: 9px;
}

.chrome-actions {
  display: flex;
  gap: 8px;
}

.chrome-actions span {
  width: 8px;
  height: 8px;
  border: 1px solid #d3dbe9;
  border-radius: 2px;
}

.app-layout {
  display: grid;
  grid-template-columns: 172px minmax(0, 1fr);
  height: 366px;
}

.app-sidebar {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 12px 10px 9px;
  border-right: 1px solid rgba(14, 38, 76, 0.06);
  background: #fbfcff;
}

.app-profile {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 3px 10px;
}

.app-profile div {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.35;
}

.app-profile strong {
  color: #13233d;
  font-size: 8.5px;
  font-weight: 700;
}

.app-profile div span {
  overflow: hidden;
  color: #8d9aad;
  font-size: 6.5px;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.online-dot {
  width: 5px;
  height: 5px;
  margin-left: auto;
  border-radius: 50%;
  background: #45cf94;
  box-shadow: 0 0 0 2px rgba(69, 207, 148, 0.14);
}

.avatar {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 29px;
  height: 29px;
  border-radius: 9px;
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0;
}

.avatar-blue {
  background: linear-gradient(145deg, #5d91ff, #1f5bf0);
}

.avatar-gradient {
  background: linear-gradient(145deg, #7357ff, #425df5 55%, #38a7ff);
}

.avatar-warm {
  background: linear-gradient(145deg, #ffc574, #ef8e57);
  color: #4a2517;
}

.avatar-mint {
  background: linear-gradient(145deg, #75e3c0, #3ca98a);
  color: #0b3a2e;
}

.avatar-violet {
  background: linear-gradient(145deg, #b18cff, #7352e8);
}

.avatar-sm {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  font-size: 6.5px;
}

.avatar-mini {
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--white);
  border-radius: 7px;
  font-size: 7px;
}

.app-side-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3px 6px;
  color: #8a98ac;
  font-size: 6.6px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.side-plus {
  font-size: 11px;
  font-weight: 400;
}

.chat-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.chat-item {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 5px 6px;
  border-radius: 8px;
}

.chat-item.is-active {
  background: #edf3ff;
  box-shadow: inset 2px 0 0 #2f6bff;
}

.chat-item-copy {
  min-width: 0;
  flex: 1;
  line-height: 1.3;
}

.chat-item-copy strong {
  display: block;
  color: #23344d;
  font-size: 7.5px;
  font-weight: 700;
}

.chat-item-copy p {
  overflow: hidden;
  margin-top: 1px;
  color: #93a0b2;
  font-size: 6.2px;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.chat-item .chat-time {
  align-self: flex-start;
  padding-top: 3px;
  color: #aab4c3;
  font-family: var(--font-mono);
  font-size: 5.6px;
}

.sidebar-foot {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
  padding: 8px 3px 0;
  border-top: 1px solid rgba(14, 38, 76, 0.05);
  color: #92a0b4;
  font-size: 6.2px;
}

.sidebar-foot svg {
  width: 9px;
  height: 9px;
}

.app-conversation {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background:
    radial-gradient(circle at 90% 8%, rgba(214, 230, 255, 0.42), transparent 34%),
    #f8faff;
}

.conversation-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 0 15px;
  border-bottom: 1px solid rgba(14, 38, 76, 0.06);
  background: rgba(255, 255, 255, 0.7);
}

.conversation-person {
  display: flex;
  align-items: center;
  gap: 8px;
}

.conversation-person div {
  display: flex;
  flex-direction: column;
  line-height: 1.35;
}

.conversation-person strong {
  color: #172945;
  font-size: 9px;
  font-weight: 700;
}

.conversation-person div span {
  color: #6e9b8d;
  font-size: 6.4px;
}

.conversation-actions {
  display: flex;
  gap: 10px;
  color: #8e9db0;
}

.conversation-actions span {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(14, 38, 76, 0.06);
  border-radius: 6px;
  background: #fff;
}

.conversation-actions svg {
  width: 10px;
  height: 10px;
}

.conversation-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 15px 6px;
  overflow: hidden;
}

.date-chip {
  align-self: center;
  padding: 2px 7px;
  border-radius: 99px;
  background: rgba(17, 43, 82, 0.045);
  color: #9aa7b8;
  font-size: 5.8px;
}

.msg-row {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  max-width: 86%;
}

.msg-row.is-me {
  align-self: flex-end;
  justify-content: flex-end;
}

.msg-main {
  min-width: 0;
}

.is-me .msg-main {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.msg-meta {
  margin-bottom: 2px;
  padding: 0 2px;
  color: #9aa8ba;
  font-size: 5.6px;
}

.msg-meta span {
  color: #aab4c3;
}

.msg-bubble {
  padding: 6px 9px;
  border: 1px solid rgba(14, 38, 76, 0.045);
  border-radius: 4px 10px 10px 10px;
  background: #fff;
  color: #34465e;
  font-size: 7px;
  line-height: 1.55;
  box-shadow: 0 4px 12px -8px rgba(12, 35, 75, 0.3);
}

.msg-bubble.is-blue {
  border-color: transparent;
  border-radius: 10px 4px 10px 10px;
  background: linear-gradient(135deg, #4e87ff, #2865f4);
  color: #fff;
  box-shadow: 0 6px 16px -10px rgba(47, 107, 255, 0.8);
}

.file-message {
  display: flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  max-width: 84%;
  padding: 6px 8px;
  border: 1px solid rgba(14, 38, 76, 0.055);
  border-radius: 9px;
  background: #fff;
  box-shadow: 0 6px 16px -13px rgba(12, 35, 75, 0.45);
}

.file-badge {
  display: grid;
  place-items: center;
  width: 25px;
  height: 28px;
  border-radius: 5px;
  background: linear-gradient(145deg, #e7efff, #cfe0ff);
  color: #2d63d7;
  font-family: var(--font-mono);
  font-size: 5.5px;
  font-weight: 700;
}

.file-message div {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.4;
}

.file-message strong {
  overflow: hidden;
  max-width: 180px;
  color: #263a55;
  font-size: 6.4px;
  font-weight: 600;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.file-message div span {
  color: #95a2b4;
  font-size: 5.4px;
}

.file-download {
  display: grid;
  place-items: center;
  width: 17px;
  height: 17px;
  margin-left: 4px;
  border-radius: 50%;
  background: #edf3ff;
  color: #336de5;
  font-size: 8px;
}

.typing-line {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-top: auto;
  padding: 2px 2px 0;
  color: #a2aebe;
  font-size: 5.8px;
}

.typing-line span {
  width: 2.5px;
  height: 2.5px;
  border-radius: 50%;
  background: #9aa8bb;
  animation: typingDot 1.4s ease-in-out infinite;
}

.typing-line span:nth-child(2) {
  animation-delay: 0.16s;
}

.typing-line span:nth-child(3) {
  animation-delay: 0.32s;
}

.composer {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 35px;
  margin: 0 15px 11px;
  padding: 0 6px 0 9px;
  border: 1px solid rgba(14, 38, 76, 0.08);
  border-radius: 9px;
  background: #fff;
}

.composer-plus {
  color: #94a2b4;
  font-size: 10px;
}

.composer-placeholder {
  flex: 1;
  color: #a8b3c1;
  font-size: 6.6px;
}

.composer-tools {
  color: #9daabc;
  font-size: 8px;
}

.composer-send {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 7px;
  background: #2f6bff;
  color: #fff;
}

.composer-send svg {
  width: 11px;
  height: 11px;
}

/* Phone mockup */

.phone-device {
  position: absolute;
  left: -16px;
  bottom: -2px;
  z-index: 6;
  width: 172px;
  height: 348px;
  padding: 6px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 29px;
  background: linear-gradient(145deg, #111e33, #050b16);
  box-shadow:
    0 45px 70px -25px rgba(0, 0, 0, 0.75),
    inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  transform: rotate(-5deg) translateZ(55px);
}

.phone-device::before {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 25px;
  pointer-events: none;
}

.phone-speaker {
  position: absolute;
  top: 11px;
  left: 50%;
  z-index: 2;
  width: 44px;
  height: 10px;
  border-radius: 99px;
  background: #08101d;
  transform: translateX(-50%);
}

.phone-screen {
  position: relative;
  height: 100%;
  overflow: hidden;
  border-radius: 23px;
  background: #f7f9fe;
}

.phone-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 23px;
  padding: 5px 13px 0;
  color: #273a53;
  font-family: var(--font-mono);
  font-size: 5.5px;
  font-weight: 700;
}

.phone-status-icons {
  color: #6c7b8f;
  font-size: 4.5px;
  letter-spacing: 1px;
}

.phone-head {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px 7px;
  border-bottom: 1px solid rgba(14, 38, 76, 0.06);
  background: rgba(255, 255, 255, 0.78);
}

.phone-back {
  margin-right: 1px;
  color: #2f6bff;
  font-size: 16px;
  line-height: 1;
}

.phone-head strong {
  color: #20334d;
  font-size: 7px;
}

.phone-lock {
  margin-left: auto;
  color: #75a695;
  font-size: 8px;
}

.phone-chat {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 9px 9px;
  background:
    radial-gradient(circle at 100% 0, rgba(217, 232, 255, 0.55), transparent 36%),
    #f7f9fe;
}

.phone-date {
  align-self: center;
  color: #a0adbd;
  font-size: 4.8px;
}

.phone-bubble {
  max-width: 81%;
  padding: 5px 7px;
  border-radius: 3px 8px 8px 8px;
  background: #fff;
  color: #394b62;
  font-size: 6.2px;
  line-height: 1.5;
  box-shadow: 0 4px 10px -8px rgba(12, 35, 75, 0.4);
}

.phone-bubble.me {
  align-self: flex-end;
  border-radius: 8px 3px 8px 8px;
  background: linear-gradient(135deg, #4e87ff, #2865f4);
  color: #fff;
}

.phone-file {
  display: flex;
  align-items: center;
  gap: 4px;
  align-self: flex-end;
  padding: 4px 6px;
  border-radius: 6px;
  background: rgba(47, 107, 255, 0.09);
  color: #3064cc;
  font-size: 5.2px;
}

.phone-typing {
  align-self: flex-start;
  padding: 3px 8px;
  border-radius: 8px;
  background: #fff;
  color: #9aa8b9;
  font-size: 7px;
  letter-spacing: 1px;
}

.phone-input {
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 15px;
  display: flex;
  align-items: center;
  gap: 6px;
  height: 25px;
  padding: 0 6px;
  border: 1px solid rgba(14, 38, 76, 0.07);
  border-radius: 7px;
  background: #fff;
  color: #a3afbf;
  font-size: 5.8px;
}

.phone-input span:nth-child(2) {
  flex: 1;
}

.phone-mic {
  color: #2f6bff;
  font-size: 8px;
}

.phone-home {
  position: absolute;
  bottom: 5px;
  left: 50%;
  width: 42px;
  height: 3px;
  border-radius: 99px;
  background: #23344a;
  opacity: 0.6;
  transform: translateX(-50%);
}

/* Floating cards */

.float-card {
  position: absolute;
  z-index: 8;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border: 1px solid rgba(156, 192, 255, 0.16);
  border-radius: 15px;
  background: rgba(8, 21, 43, 0.78);
  color: var(--white);
  box-shadow:
    0 24px 50px -24px rgba(0, 0, 0, 0.65),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  animation: softFloat 7s ease-in-out infinite;
}

.float-card strong {
  display: block;
  color: #f4f8ff;
  font-size: 10.5px;
  font-weight: 600;
  line-height: 1.35;
}

.float-card div > span {
  display: block;
  margin-top: 1px;
  color: rgba(203, 221, 247, 0.52);
  font-size: 8px;
  line-height: 1.4;
}

.float-icon {
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  border: 1px solid rgba(124, 173, 255, 0.2);
  border-radius: 9px;
  background: rgba(47, 107, 255, 0.15);
  color: #9fc5ff;
}

.float-icon svg {
  width: 17px;
  height: 17px;
}

.float-encrypt {
  top: 9px;
  left: -18px;
  animation-delay: -2s;
}

.float-burn {
  right: -12px;
  bottom: 108px;
  animation-delay: -4.5s;
}

.burn-timer {
  position: relative;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: conic-gradient(var(--amber) 0 32%, rgba(255, 255, 255, 0.08) 32% 100%);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
}

.burn-timer::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: #0b1b34;
}

.burn-timer {
  isolation: isolate;
}

.burn-timer::before {
  content: "09";
  position: absolute;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 9px;
}

.float-burn > div strong,
.float-burn > div span {
  position: relative;
}

.float-members {
  position: absolute;
  left: 18px;
  bottom: -9px;
  z-index: 9;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 13px 8px 9px;
  border: 1px solid rgba(14, 38, 76, 0.06);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  box-shadow: 0 18px 38px -26px rgba(0, 0, 0, 0.55);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.member-stack {
  display: flex;
}

.member-stack .avatar + .avatar {
  margin-left: -6px;
}

.float-members strong {
  display: block;
  color: #172945;
  font-size: 9px;
  line-height: 1.35;
}

.float-members div > span {
  display: block;
  color: #7c8ca1;
  font-size: 6.6px;
}

.hero-foot {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 30px;
}

.hero-scroll {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: rgba(203, 220, 245, 0.42);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  transition: color 0.3s ease;
}

.hero-scroll:hover {
  color: rgba(227, 238, 255, 0.8);
}

.scroll-line {
  position: relative;
  display: block;
  width: 1px;
  height: 34px;
  overflow: hidden;
  background: rgba(153, 187, 240, 0.18);
}

.scroll-line i {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 11px;
  background: linear-gradient(var(--sky), transparent);
  animation: scrollTrail 2.4s ease-in-out infinite;
}

.hero-fact {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(174, 201, 241, 0.3);
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.14em;
}

/* ==========================================================================
   Proof strip
   ========================================================================== */

.proof {
  position: relative;
  z-index: 10;
  margin-top: -43px;
}

.proof-card {
  display: grid;
  grid-template-columns: 0.8fr 0.8fr 0.9fr 0.8fr 1.45fr;
  align-items: center;
  gap: 0;
  padding: 26px 34px;
  border: 1px solid rgba(14, 38, 76, 0.07);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 35px 70px -45px rgba(7, 21, 43, 0.55);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.proof-item {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 3px 26px;
  border-left: 1px solid var(--line);
}

.proof-item:first-child {
  padding-left: 0;
  border-left: 0;
}

.proof-item strong {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 27px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.proof-item:nth-child(3) strong {
  color: var(--blue);
  font-size: 23px;
  letter-spacing: 0.01em;
}

.proof-item span {
  color: var(--muted-2);
  font-size: 10px;
  letter-spacing: 0.04em;
}

.proof-badge {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-left: 18px;
  padding: 10px 14px;
  border: 1px solid rgba(47, 107, 255, 0.1);
  border-radius: 13px;
  background: linear-gradient(135deg, #f3f7ff, #edf3ff);
}

.proof-badge-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  box-shadow: 0 6px 16px -8px rgba(47, 107, 255, 0.8);
}

.proof-badge-icon svg {
  width: 14px;
  height: 14px;
}

.proof-badge strong {
  display: block;
  color: var(--ink);
  font-size: 10.5px;
  line-height: 1.4;
}

.proof-badge span:not(.proof-badge-icon) {
  display: block;
  color: var(--muted-2);
  font-size: 8.5px;
}

/* ==========================================================================
   Shared section styles
   ========================================================================== */

.section {
  position: relative;
  padding: 126px 0;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.section-kicker::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}

.section-kicker-light {
  color: #85b4ff;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.78fr);
  align-items: end;
  gap: 60px;
  margin-bottom: 62px;
}

.section-heading-tight {
  margin-bottom: 52px;
}

.section-heading h2,
.faq-aside h2,
.security-lead h2,
.download-head h2 {
  margin-top: 20px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(38px, 4.2vw, 54px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.04em;
}

.section-heading h2 em,
.faq-aside h2 em {
  color: var(--blue);
}

.section-heading-side {
  padding-bottom: 6px;
}

.section-heading-side p {
  max-width: 450px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.95;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 22px;
  color: var(--blue);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.text-link .icon {
  transition: transform 0.3s ease;
}

.text-link:hover .icon {
  transform: translateX(4px);
}

.text-link-light {
  color: #86b4ff;
}

/* ==========================================================================
   Intro
   ========================================================================== */

.intro {
  padding-top: 142px;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 16px;
  border-top: 1px solid var(--line);
}

.principle {
  position: relative;
  padding: 30px 42px 6px 0;
}

.principle + .principle {
  padding-left: 42px;
  border-left: 1px solid var(--line);
}

.principle-index {
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.principle h3 {
  margin-top: 14px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.principle p {
  max-width: 260px;
  margin-top: 9px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
}

/* ==========================================================================
   Bento features
   ========================================================================== */

.features {
  background:
    radial-gradient(ellipse 60% 40% at 85% 18%, rgba(186, 214, 255, 0.34), transparent 60%),
    linear-gradient(180deg, #f3f7fd 0%, #f7f9fd 70%, #f6f8fc 100%);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.bento-card {
  --mx: 50%;
  --my: 50%;
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 32px;
  border: 1px solid rgba(14, 38, 76, 0.075);
  border-radius: 25px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 28px 55px -45px rgba(10, 35, 80, 0.45);
  isolation: isolate;
  transition:
    transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1),
    box-shadow 0.4s ease,
    border-color 0.4s ease;
}

.bento-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(circle 280px at var(--mx) var(--my), rgba(88, 145, 255, 0.095), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.bento-card:hover {
  transform: translateY(-5px);
  border-color: rgba(47, 107, 255, 0.18);
  box-shadow: 0 38px 65px -42px rgba(10, 35, 80, 0.55);
}

.bento-card:hover::before {
  opacity: 1;
}

.bento-wide {
  grid-column: span 7;
}

.bento-third {
  grid-column: span 4;
}

.bento-lock {
  grid-column: span 5;
}

.bento-timer {
  grid-column: span 5;
}

.bento-deploy {
  grid-column: span 7;
}

.bento-card h3 {
  position: relative;
  z-index: 2;
  margin-top: 20px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(25px, 2.5vw, 34px);
  font-weight: 700;
  line-height: 1.26;
  letter-spacing: -0.035em;
}

.bento-card p {
  position: relative;
  z-index: 2;
  max-width: 390px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.9;
}

.bento-index {
  position: relative;
  z-index: 2;
  color: #91a0b5;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.14em;
}

.bento-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 1px solid rgba(47, 107, 255, 0.08);
  border-radius: 15px;
  background: linear-gradient(145deg, #f6f9ff, #edf3ff);
  box-shadow: inset 0 1px 0 #fff;
}

.bento-icon img {
  width: 42px;
  height: 42px;
}

.bento-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.bento-copy {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.bento-copy > h3 {
  max-width: 320px;
}

.bento-dark {
  min-height: 488px;
  border-color: rgba(137, 175, 255, 0.14);
  background:
    radial-gradient(ellipse 80% 75% at 88% 34%, rgba(41, 103, 255, 0.34), transparent 64%),
    linear-gradient(145deg, #091a36 0%, #07152b 60%, #061226 100%);
}

.bento-dark::before {
  background: radial-gradient(circle 320px at var(--mx) var(--my), rgba(82, 145, 255, 0.16), transparent 70%);
}

.bento-dark > .bento-copy {
  max-width: 360px;
}

.bento-dark h3 {
  color: var(--white);
  font-size: clamp(34px, 3.5vw, 47px);
  margin-top: 23px;
}

.bento-dark p {
  color: rgba(208, 224, 247, 0.64);
}

.bento-dark .bento-index {
  color: rgba(146, 184, 247, 0.55);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 23px;
}

.chip-row span {
  padding: 5px 10px;
  border: 1px solid rgba(151, 188, 255, 0.15);
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.05);
  color: rgba(210, 226, 249, 0.7);
  font-size: 9px;
  letter-spacing: 0.03em;
}

.feature-orbit {
  position: absolute;
  top: 70px;
  right: -48px;
  z-index: 1;
  width: 348px;
  height: 348px;
  pointer-events: none;
}

.orbit-ring {
  position: absolute;
  border: 1px solid rgba(128, 170, 255, 0.14);
  border-radius: 50%;
}

.ring-a {
  inset: 0;
  border-style: dashed;
  animation: slowSpin 40s linear infinite;
}

.ring-b {
  inset: 38px;
  border-color: rgba(128, 170, 255, 0.2);
}

.ring-c {
  inset: 88px;
  border-color: rgba(128, 170, 255, 0.26);
  box-shadow: inset 0 0 50px rgba(47, 107, 255, 0.12);
}

.feature-orbit img {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 154px;
  height: 154px;
  filter: drop-shadow(0 20px 30px rgba(47, 107, 255, 0.35));
  transform: translate(-50%, -50%);
}

.orbit-tag {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid rgba(151, 188, 255, 0.14);
  border-radius: 99px;
  background: rgba(7, 21, 43, 0.6);
  color: rgba(208, 226, 252, 0.65);
  font-family: var(--font-mono);
  font-size: 7.5px;
  letter-spacing: 0.13em;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.orbit-tag i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 8px rgba(105, 224, 178, 0.9);
}

.orbit-tag-top {
  top: 46px;
  right: 48px;
}

.orbit-tag-bottom {
  right: 18px;
  bottom: 52px;
}

.cipher-strip {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  height: 38px;
  padding: 0 26px;
  border-top: 1px solid rgba(132, 171, 242, 0.1);
  background: rgba(4, 14, 30, 0.45);
  color: rgba(146, 184, 247, 0.32);
  font-family: var(--font-mono);
  font-size: 7.5px;
  letter-spacing: 0.1em;
}

.cipher-strip span:last-child {
  color: rgba(105, 224, 178, 0.54);
}

.bento-timer {
  min-height: 488px;
  background:
    radial-gradient(ellipse 65% 60% at 80% 80%, rgba(255, 190, 103, 0.12), transparent 65%),
    linear-gradient(160deg, #ffffff, #f8fbff);
}

.bento-timer h3 {
  margin-top: 24px;
}

.timer-display {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-top: auto;
  padding-top: 28px;
}

.timer-number {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.06em;
}

.timer-number strong {
  color: var(--amber);
  font-weight: 600;
}

.timer-bar {
  flex: 1;
  height: 3px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(14, 38, 76, 0.07);
}

.timer-bar i {
  display: block;
  width: 38%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--amber), #ff8a43);
  animation: timerBar 5.5s ease-in-out infinite alternate;
}

.timer-caption {
  color: var(--muted-2);
  font-family: var(--font-mono);
  font-size: 7.5px;
  letter-spacing: 0.12em;
  writing-mode: vertical-rl;
}

.bento-third {
  min-height: 354px;
}

.bento-third h3 {
  font-size: 25px;
}

.bento-footnote {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: auto;
  padding-top: 22px;
  color: #8c9bb0;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.1em;
}

.bento-footnote::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(47, 107, 255, 0.09);
}

.bento-lock {
  min-height: 370px;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  align-items: center;
  gap: 24px;
  background:
    radial-gradient(ellipse 60% 80% at 95% 50%, rgba(127, 170, 255, 0.13), transparent 65%),
    linear-gradient(145deg, #ffffff, #f4f8ff);
}

.bento-lock h3 {
  font-size: 28px;
}

.bento-lock .bento-copy {
  height: 100%;
  justify-content: space-between;
}

.bento-lock .bento-copy p {
  max-width: 330px;
}

.privacy-panel {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 16px;
  border: 1px solid rgba(14, 38, 76, 0.07);
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 24px 50px -35px rgba(11, 35, 74, 0.4);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.privacy-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 2px;
  border-bottom: 1px solid rgba(14, 38, 76, 0.055);
  color: #3c4f68;
  font-size: 9px;
}

.privacy-row:nth-child(3) {
  border-bottom: 0;
}

.toggle {
  position: relative;
  display: block;
  width: 27px;
  height: 15px;
  border-radius: 99px;
  background: #dfe6f0;
}

.toggle i {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(9, 30, 66, 0.25);
  transition: transform 0.25s ease;
}

.toggle.on {
  background: var(--blue);
}

.toggle.on i {
  transform: translateX(12px);
}

.privacy-value {
  color: #7d8da2;
  font-size: 8px;
}

.privacy-note {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding: 8px 9px;
  border-radius: 8px;
  background: rgba(105, 224, 178, 0.08);
  color: #4b8e77;
  font-size: 7.5px;
}

.privacy-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #48be93;
}

.bento-deploy {
  min-height: 370px;
  background:
    radial-gradient(ellipse 60% 90% at 93% 50%, rgba(47, 107, 255, 0.13), transparent 60%),
    linear-gradient(145deg, #fbfdff 0%, #eef5ff 100%);
}

.bento-deploy .bento-copy {
  max-width: 380px;
  height: 100%;
  justify-content: space-between;
}

.bento-deploy h3 {
  font-size: 30px;
}

.bento-deploy .text-link {
  margin-top: 24px;
}

.deploy-map {
  position: absolute;
  top: 50%;
  right: 1%;
  z-index: 1;
  width: 300px;
  height: 300px;
  transform: translateY(-50%);
}

.deploy-ring {
  position: absolute;
  border: 1px solid rgba(47, 107, 255, 0.14);
  border-radius: 50%;
}

.deploy-ring.ring-one {
  inset: 20px;
  border-style: dashed;
  animation: slowSpin 50s linear infinite reverse;
}

.deploy-ring.ring-two {
  inset: 72px;
}

.deploy-node {
  position: absolute;
  z-index: 2;
  width: 9px;
  height: 9px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 1px rgba(47, 107, 255, 0.24), 0 3px 10px rgba(47, 107, 255, 0.32);
}

.node-center {
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border: 1px solid rgba(47, 107, 255, 0.2);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  box-shadow: 0 14px 40px -18px rgba(47, 107, 255, 0.55);
  transform: translate(-50%, -50%);
}

.node-a {
  top: 25px;
  left: 50%;
}

.node-b {
  right: 33px;
  bottom: 73px;
  background: var(--amber);
  box-shadow: 0 0 0 1px rgba(255, 180, 84, 0.3), 0 3px 10px rgba(255, 180, 84, 0.32);
}

.node-c {
  left: 45px;
  bottom: 64px;
}

.deploy-line {
  position: absolute;
  z-index: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(47, 107, 255, 0.26), transparent);
  transform-origin: 0 50%;
}

.line-a {
  top: 50%;
  left: 50%;
  width: 104px;
  transform: rotate(-90deg);
}

.line-b {
  top: 50%;
  left: 50%;
  width: 120px;
  transform: rotate(34deg);
}

.line-c {
  top: 50%;
  left: 50%;
  width: 98px;
  transform: rotate(143deg);
}

.deploy-label {
  position: absolute;
  right: 8px;
  bottom: 15px;
  color: rgba(47, 107, 255, 0.36);
  font-family: var(--font-mono);
  font-size: 7px;
  letter-spacing: 0.14em;
}

/* ==========================================================================
   Security
   ========================================================================== */

.security-section {
  position: relative;
  overflow: hidden;
  padding: 132px 0;
  background:
    radial-gradient(ellipse 55% 65% at 20% 45%, rgba(33, 82, 188, 0.24), transparent 70%),
    linear-gradient(150deg, #061226 0%, #07172f 55%, #061226 100%);
  color: var(--white);
  isolation: isolate;
}

.security-grid-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(143, 178, 242, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 178, 242, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 30% 40%, #000, transparent 78%);
  mask-image: radial-gradient(ellipse 70% 80% at 30% 40%, #000, transparent 78%);
  opacity: 0.7;
}

.security-glow {
  position: absolute;
  top: 15%;
  right: -8%;
  z-index: -1;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(49, 108, 255, 0.18), transparent 65%);
  filter: blur(50px);
  pointer-events: none;
}

.security-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  gap: clamp(50px, 7vw, 90px);
  align-items: start;
}

.security-lead {
  position: sticky;
  top: 135px;
}

.security-lead h2 {
  color: var(--white);
  font-size: clamp(39px, 4vw, 52px);
}

.security-lead h2 em {
  background: linear-gradient(100deg, #dceaff, #8bb8ff 52%, #5c8fff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.security-intro {
  max-width: 430px;
  margin-top: 22px;
  color: rgba(207, 223, 247, 0.6);
  font-size: 14.5px;
  line-height: 1.95;
}

.encryption-demo {
  position: relative;
  max-width: 455px;
  margin-top: 38px;
  padding: 18px 19px 14px;
  overflow: hidden;
  border: 1px solid rgba(145, 182, 247, 0.14);
  border-radius: 18px;
  background:
    radial-gradient(ellipse 80% 80% at 80% 10%, rgba(53, 113, 255, 0.16), transparent 65%),
    rgba(9, 25, 49, 0.68);
  box-shadow: 0 30px 60px -42px rgba(0, 0, 0, 0.8);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.encryption-demo::before {
  content: "";
  position: absolute;
  top: 0;
  left: 19px;
  right: 19px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(125, 169, 255, 0.32), transparent);
}

.demo-header,
.demo-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: rgba(150, 182, 233, 0.5);
  font-family: var(--font-mono);
  font-size: 7.5px;
  letter-spacing: 0.14em;
}

.demo-live {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: rgba(105, 224, 178, 0.72);
}

.demo-live i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 7px rgba(105, 224, 178, 0.9);
  animation: livePulse 2s ease-in-out infinite;
}

.demo-message {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 92px;
  margin: 11px 0 4px;
  padding: 12px 0;
  border-top: 1px solid rgba(139, 177, 243, 0.08);
  border-bottom: 1px solid rgba(139, 177, 243, 0.08);
}

.demo-plain,
.demo-cipher {
  grid-area: 1 / 1;
  transition: opacity 0.35s ease, transform 0.35s ease, filter 0.35s ease;
}

.demo-plain {
  color: #dbe9ff;
  font-size: 15px;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

.demo-cipher {
  color: rgba(110, 227, 192, 0.84);
  font-family: var(--font-mono);
  font-size: 9.5px;
  line-height: 1.85;
  letter-spacing: 0.04em;
  opacity: 0;
  filter: blur(4px);
  transform: translateY(5px);
}

.encryption-demo.is-encrypted .demo-plain {
  opacity: 0;
  filter: blur(4px);
  transform: translateY(-5px);
}

.encryption-demo.is-encrypted .demo-cipher {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

.demo-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  padding: 7px 0;
  border: 0;
  background: transparent;
  color: rgba(205, 223, 250, 0.68);
  font-size: 9.5px;
  text-align: left;
  cursor: pointer;
  transition: color 0.25s ease;
}

.demo-toggle:hover {
  color: var(--white);
}

.demo-toggle-icon {
  color: var(--sky);
  font-size: 12px;
}

.demo-footer {
  margin-top: 9px;
  padding-top: 10px;
  border-top: 1px solid rgba(139, 177, 243, 0.08);
  color: rgba(134, 170, 227, 0.32);
  font-size: 6.5px;
}

.demo-footer span:last-child {
  letter-spacing: 0.2em;
}

.security-list {
  border-top: 1px solid rgba(151, 185, 243, 0.13);
}

.security-item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 16px;
  padding: 26px 12px 26px 0;
  border-bottom: 1px solid rgba(151, 185, 243, 0.13);
  transition: background 0.3s ease, padding 0.3s ease;
}

.security-item:hover {
  padding-left: 12px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.035), transparent);
}

.security-number {
  padding-top: 3px;
  color: rgba(255, 180, 84, 0.7);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.security-item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.security-item h3 {
  color: #e7f0ff;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.security-tag {
  flex: 0 0 auto;
  padding: 4px 8px;
  border: 1px solid rgba(137, 177, 246, 0.14);
  border-radius: 99px;
  color: rgba(149, 184, 241, 0.55);
  font-family: var(--font-mono);
  font-size: 6.5px;
  letter-spacing: 0.09em;
}

.security-item p {
  max-width: 500px;
  margin-top: 9px;
  color: rgba(194, 213, 240, 0.52);
  font-size: 13px;
  line-height: 1.85;
}

.security-note {
  position: relative;
  margin-top: 34px;
  padding: 24px 26px 22px 48px;
  border: 1px solid rgba(145, 182, 247, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.025);
}

.security-note-mark {
  position: absolute;
  top: 13px;
  left: 18px;
  color: rgba(127, 172, 255, 0.4);
  font-family: Georgia, serif;
  font-size: 40px;
  line-height: 1;
}

.security-note p {
  color: rgba(224, 236, 255, 0.8);
  font-size: 15px;
  letter-spacing: 0.01em;
}

.security-note-sign {
  display: block;
  margin-top: 10px;
  color: rgba(137, 173, 231, 0.35);
  font-family: var(--font-mono);
  font-size: 7px;
  letter-spacing: 0.12em;
}

/* ==========================================================================
   Use cases
   ========================================================================== */

.usecases {
  background:
    radial-gradient(ellipse 45% 45% at 6% 30%, rgba(209, 227, 255, 0.4), transparent 70%),
    linear-gradient(180deg, #f7f9fd, #f2f6fc);
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 19px;
}

.scenario-card {
  overflow: hidden;
  border: 1px solid rgba(14, 38, 76, 0.075);
  border-radius: 25px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 28px 55px -48px rgba(10, 35, 80, 0.5);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease;
}

.scenario-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 42px 70px -44px rgba(10, 35, 80, 0.55);
}

.scenario-visual {
  position: relative;
  height: 250px;
  margin: 10px 10px 0;
  overflow: hidden;
  border-radius: 18px;
  padding: 17px;
}

.scenario-daily {
  background:
    radial-gradient(circle at 88% 16%, rgba(255, 195, 116, 0.3), transparent 35%),
    radial-gradient(circle at 22% 82%, rgba(122, 166, 255, 0.32), transparent 45%),
    linear-gradient(145deg, #e9f1ff, #f8fbff 60%, #fff5e8);
}

.mini-top {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 9px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.64);
  color: #586b83;
  font-size: 7.2px;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.mini-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #4ecb97;
}

.mini-time,
.mini-lock {
  margin-left: auto;
  color: #94a2b4;
  font-family: var(--font-mono);
  font-size: 6px;
}

.mini-bubble {
  max-width: 78%;
  margin-top: 12px;
  padding: 8px 10px;
  border-radius: 4px 12px 12px 12px;
  background: rgba(255, 255, 255, 0.88);
  color: #40526a;
  font-size: 8.2px;
  line-height: 1.5;
  box-shadow: 0 8px 18px -14px rgba(13, 37, 76, 0.45);
}

.mini-bubble.mini-right {
  margin-left: auto;
  border-radius: 12px 4px 12px 12px;
  background: linear-gradient(135deg, #578cff, #2c67ee);
  color: #fff;
}

.mini-bubble.mini-small {
  max-width: 65%;
  margin-top: 8px;
}

.mini-reaction {
  position: absolute;
  right: 18px;
  bottom: 16px;
  padding: 4px 7px;
  border: 1px solid rgba(14, 38, 76, 0.06);
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.86);
  color: #8c6a37;
  font-size: 7px;
}

.scenario-team {
  background:
    linear-gradient(rgba(125, 164, 235, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125, 164, 235, 0.08) 1px, transparent 1px),
    radial-gradient(circle at 85% 20%, rgba(54, 116, 255, 0.28), transparent 40%),
    #08182f;
  background-size: 28px 28px, 28px 28px, auto, auto;
}

.scenario-team .mini-top {
  border-color: rgba(136, 174, 241, 0.12);
  background: rgba(10, 28, 54, 0.65);
  color: rgba(218, 232, 252, 0.72);
}

.scenario-team .mini-lock {
  color: rgba(105, 224, 178, 0.62);
}

.team-file {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 21px;
  padding: 11px;
  border: 1px solid rgba(139, 178, 246, 0.14);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.055);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.team-file-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 38px;
  border-radius: 7px;
  background: linear-gradient(145deg, #3f7cff, #1e53d8);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 7px;
  font-weight: 700;
}

.team-file div {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1;
  line-height: 1.5;
}

.team-file strong {
  overflow: hidden;
  color: rgba(238, 245, 255, 0.9);
  font-size: 7.6px;
  font-weight: 600;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.team-file div span {
  color: rgba(163, 189, 228, 0.5);
  font-size: 6px;
}

.team-file-check {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(105, 224, 178, 0.14);
  color: var(--mint);
  font-size: 8px;
}

.team-avatars {
  display: flex;
  align-items: center;
  margin-top: 18px;
}

.team-avatars span {
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  margin-right: -5px;
  border: 1.5px solid #0a1b34;
  border-radius: 50%;
  background: linear-gradient(145deg, #ffc574, #ef8e57);
  color: #4a2517;
  font-size: 6px;
  font-weight: 700;
}

.team-avatars span:nth-child(2) {
  background: linear-gradient(145deg, #5d91ff, #1f5bf0);
  color: #fff;
}

.team-avatars span:nth-child(3) {
  background: linear-gradient(145deg, #75e3c0, #3ca98a);
  color: #0b3a2e;
}

.team-avatars em {
  margin-left: 12px;
  color: rgba(177, 202, 240, 0.48);
  font-size: 6.2px;
}

.team-progress {
  height: 2px;
  margin-top: 16px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(141, 178, 240, 0.12);
}

.team-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #2f6bff, #6ee3bd);
}

.team-caption {
  margin-top: 7px;
  color: rgba(151, 184, 236, 0.42);
  font-family: var(--font-mono);
  font-size: 5.8px;
  letter-spacing: 0.04em;
}

.scenario-vault {
  background:
    radial-gradient(circle at 15% 15%, rgba(106, 154, 255, 0.2), transparent 40%),
    linear-gradient(145deg, #eef5ff, #dfeaff);
}

.vault-card {
  position: relative;
  margin: 17px auto 0;
  width: 88%;
  padding: 17px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 20px 35px -28px rgba(24, 58, 120, 0.55);
  text-align: center;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.vault-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 42px;
  margin: 0 auto 8px;
  border-radius: 7px;
  background: linear-gradient(145deg, #547fff, #2456d8);
  color: #fff;
  font-size: 13px;
}

.vault-card > strong {
  display: block;
  color: #243a5a;
  font-size: 8.5px;
}

.vault-card > span {
  display: block;
  margin-top: 2px;
  color: #8595ab;
  font-size: 6.3px;
}

.vault-count {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 5px;
  margin-top: 10px;
}

.vault-count strong {
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
}

.vault-count span {
  color: #91a0b6;
  font-family: var(--font-mono);
  font-size: 5.6px;
  letter-spacing: 0.1em;
}

.vault-bar {
  height: 2px;
  margin-top: 9px;
  border-radius: 99px;
  background: rgba(47, 107, 255, 0.1);
}

.vault-bar i {
  display: block;
  width: 70%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--amber), #ff8a43);
}

.vault-caption {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin-top: 13px;
  color: #6e8aa8;
  font-size: 6.4px;
}

.vault-shield {
  color: var(--blue);
}

.scenario-content {
  padding: 24px 25px 28px;
}

.scenario-meta {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #9aa8bb;
  font-family: var(--font-mono);
  font-size: 7px;
  letter-spacing: 0.12em;
}

.scenario-meta span:first-child {
  color: var(--amber);
}

.scenario-content h3 {
  margin-top: 11px;
  color: var(--ink);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.scenario-content p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12.8px;
  line-height: 1.85;
}

.scenario-content ul {
  display: grid;
  gap: 6px;
  margin-top: 16px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
}

.scenario-content li {
  position: relative;
  padding-left: 15px;
  color: #5f7188;
  font-size: 10.5px;
}

.scenario-content li::before {
  content: "";
  position: absolute;
  top: 7px;
  left: 0;
  width: 5px;
  height: 5px;
  border: 1px solid rgba(47, 107, 255, 0.4);
  border-radius: 50%;
}

/* ==========================================================================
   Download
   ========================================================================== */

.download-section {
  position: relative;
  overflow: hidden;
  padding: 40px 0 124px;
  background: var(--paper);
}

.download-glow {
  position: absolute;
  top: 42%;
  left: 50%;
  width: 900px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61, 123, 255, 0.12), transparent 65%);
  filter: blur(50px);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.download-panel {
  position: relative;
  overflow: hidden;
  padding: 62px 62px 38px;
  border: 1px solid rgba(128, 168, 240, 0.14);
  border-radius: 38px;
  background:
    radial-gradient(ellipse 55% 50% at 88% 14%, rgba(38, 95, 225, 0.32), transparent 65%),
    radial-gradient(ellipse 45% 50% at 10% 95%, rgba(31, 78, 188, 0.22), transparent 65%),
    linear-gradient(145deg, #08172f 0%, #061226 55%, #07172f 100%);
  color: var(--white);
  box-shadow: 0 50px 100px -60px rgba(5, 18, 39, 0.8);
  isolation: isolate;
}

.download-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(138, 174, 238, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138, 174, 238, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 75% 20%, #000, transparent 75%);
  mask-image: radial-gradient(ellipse 75% 65% at 75% 20%, #000, transparent 75%);
}

.download-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.62fr);
  gap: 50px;
  align-items: end;
}

.download-head h2 {
  color: var(--white);
  font-size: clamp(40px, 4.2vw, 55px);
}

.download-head h2 em {
  background: linear-gradient(100deg, #dceaff, #8bb8ff 55%, #5b8fff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.download-head-side p {
  max-width: 370px;
  color: rgba(203, 221, 247, 0.58);
  font-size: 13.5px;
  line-height: 1.9;
}

.os-hint {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin-top: 13px !important;
  padding: 5px 11px;
  border: 1px solid rgba(148, 185, 250, 0.13);
  border-radius: 99px;
  color: rgba(169, 201, 255, 0.6) !important;
  font-family: var(--font-mono);
  font-size: 8px !important;
  letter-spacing: 0.05em;
}

.os-hint.is-ready {
  border-color: rgba(105, 224, 178, 0.22);
  color: rgba(142, 232, 199, 0.8) !important;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 13px;
  margin-top: 42px;
}

.download-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 388px;
  padding: 22px;
  border: 1px solid rgba(143, 181, 247, 0.13);
  border-radius: 19px;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  transition:
    transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1),
    border-color 0.35s ease,
    background 0.35s ease;
}

.download-card:hover {
  transform: translateY(-5px);
  border-color: rgba(143, 181, 247, 0.28);
  background: rgba(255, 255, 255, 0.065);
}

.download-card.is-detected {
  border-color: rgba(100, 154, 255, 0.62);
  background: linear-gradient(170deg, rgba(51, 111, 255, 0.20), rgba(255, 255, 255, 0.045) 58%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.13), 0 20px 50px -35px rgba(47, 107, 255, 0.8);
}

.download-card.is-detected::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(139, 187, 255, 0.8), transparent);
}

.download-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.platform-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(153, 190, 251, 0.16);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.055);
  color: #b9d4ff;
}

.platform-icon svg {
  width: 25px;
  height: 25px;
}

.version-chip {
  padding: 4px 8px;
  border: 1px solid rgba(140, 178, 243, 0.12);
  border-radius: 99px;
  color: rgba(156, 187, 238, 0.48);
  font-family: var(--font-mono);
  font-size: 6.8px;
  letter-spacing: 0.06em;
}

.download-card-copy {
  margin-top: 23px;
}

.download-card h3 {
  color: #f5f9ff;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.platform-meta {
  display: block;
  margin-top: 4px;
  color: rgba(146, 182, 238, 0.46);
  font-family: var(--font-mono);
  font-size: 7.5px;
  letter-spacing: 0.04em;
}

.download-card p {
  margin-top: 15px;
  color: rgba(198, 216, 243, 0.54);
  font-size: 11.5px;
  line-height: 1.8;
}

.btn-download {
  width: 100%;
  min-height: 43px;
  margin-top: auto;
  padding: 10px 14px;
  border-color: rgba(148, 185, 249, 0.16);
  background: rgba(255, 255, 255, 0.085);
  color: #eef5ff;
  font-size: 11.5px;
  font-weight: 500;
}

.btn-download:hover {
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.15);
}

.download-card.is-detected .btn-download {
  border-color: transparent;
  background: var(--white);
  color: var(--ink);
}



.split-actions {
  display: grid;
  grid-template-columns: 1fr 1.18fr;
  gap: 7px;
  margin-top: auto;
}

.split-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 43px;
  padding: 8px 8px;
  border: 1px solid rgba(148, 185, 249, 0.16);
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.085);
  color: #eef5ff;
  font-size: 9.5px;
  font-weight: 500;
  text-align: center;
  transition: all 0.3s ease;
}

.split-actions a:hover {
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.15);
}

.download-card.is-detected .split-actions a {
  border-color: transparent;
  background: var(--white);
  color: var(--ink);
}

.detected-pill {
  display: flex;
  align-items: center;
  gap: 5px;
  min-height: 24px;
  margin-top: 9px;
  color: rgba(161, 201, 255, 0);
  font-size: 7.5px;
  letter-spacing: 0.03em;
  visibility: hidden;
  transition: color 0.3s ease, visibility 0.3s ease;
}

.detected-pill i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 8px rgba(105, 224, 178, 0.8);
}

.download-card.is-detected .detected-pill {
  color: rgba(161, 201, 255, 0.78);
  visibility: visible;
}

.download-assurance {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: 36px;
  align-items: center;
  margin-top: 28px;
  padding-top: 26px;
  border-top: 1px solid rgba(144, 181, 245, 0.1);
}

.qr-block {
  display: flex;
  align-items: center;
  gap: 14px;
}

.qr-block img {
  width: 98px;
  height: 98px;
  padding: 7px;
  border-radius: 13px;
  background: #fff;
  box-shadow: 0 16px 35px -20px rgba(0, 0, 0, 0.7);
}

.qr-block strong {
  display: block;
  color: rgba(240, 246, 255, 0.9);
  font-size: 12px;
  font-weight: 600;
}

.qr-block span {
  display: block;
  margin-top: 4px;
  color: rgba(168, 196, 240, 0.46);
  font-size: 9px;
  line-height: 1.6;
}

.assurance-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.assurance-step {
  display: flex;
  gap: 9px;
}

.assurance-step > span {
  color: rgba(255, 180, 84, 0.65);
  font-family: var(--font-mono);
  font-size: 7.5px;
}

.assurance-step strong {
  display: block;
  color: rgba(229, 240, 255, 0.82);
  font-size: 9.5px;
  font-weight: 500;
}

.assurance-step p {
  margin-top: 3px;
  color: rgba(167, 193, 234, 0.4);
  font-size: 8px;
  line-height: 1.65;
}

.assurance-step b {
  color: rgba(199, 218, 246, 0.65);
  font-weight: 500;
}

.download-disclaimer {
  margin-top: 21px;
  color: rgba(147, 176, 222, 0.3);
  font-size: 7.6px;
  line-height: 1.7;
}

/* ==========================================================================
   FAQ
   ========================================================================== */

.faq-section {
  background:
    radial-gradient(ellipse 42% 42% at 90% 20%, rgba(200, 220, 255, 0.32), transparent 70%),
    #f7f9fd;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(50px, 8vw, 110px);
  align-items: start;
}

.faq-aside {
  position: sticky;
  top: 135px;
}

.faq-aside h2 {
  font-size: clamp(39px, 4vw, 52px);
}

.faq-aside > p {
  max-width: 360px;
  margin-top: 21px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.support-card {
  position: relative;
  max-width: 330px;
  margin-top: 35px;
  padding: 22px 23px;
  overflow: hidden;
  border-radius: 18px;
  background:
    radial-gradient(ellipse 80% 90% at 90% 10%, rgba(92, 147, 255, 0.32), transparent 65%),
    linear-gradient(145deg, #0a1c38, #07152b);
  color: var(--white);
  box-shadow: 0 26px 50px -35px rgba(7, 21, 43, 0.75);
}

.support-card::after {
  content: "";
  position: absolute;
  top: -50px;
  right: -40px;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(142, 183, 255, 0.14);
  border-radius: 50%;
}

.support-eyebrow {
  display: block;
  color: rgba(148, 183, 238, 0.45);
  font-family: var(--font-mono);
  font-size: 7px;
  letter-spacing: 0.14em;
}

.support-card strong {
  display: block;
  margin-top: 8px;
  font-size: 17px;
  font-weight: 600;
}

.support-card a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 15px;
  color: #a8c9ff;
  font-size: 10.5px;
}

.support-card a .icon {
  transition: transform 0.3s ease;
}

.support-card a:hover .icon {
  transform: translateX(3px);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item h3 {
  margin: 0;
}

.faq-item button {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 22px;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 23px 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.faq-number {
  color: #a0aec0;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.08em;
  transition: color 0.3s ease;
}

.faq-question {
  color: var(--ink);
  font-size: 15.5px;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: color 0.3s ease;
}

.faq-icon {
  position: relative;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(14, 38, 76, 0.1);
  border-radius: 50%;
  transition: all 0.3s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 1px;
  background: #70839c;
  transform: translate(-50%, -50%);
  transition: transform 0.3s ease, background 0.3s ease;
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item button:hover .faq-question {
  color: var(--blue);
}

.faq-item button:hover .faq-icon {
  border-color: rgba(47, 107, 255, 0.3);
  background: rgba(47, 107, 255, 0.04);
}

.faq-item.is-open .faq-number {
  color: var(--blue);
}

.faq-item.is-open .faq-icon {
  border-color: var(--blue);
  background: var(--blue);
}

.faq-item.is-open .faq-icon::before,
.faq-item.is-open .faq-icon::after {
  background: #fff;
}

.faq-item.is-open .faq-icon::after {
  transform: translate(-50%, -50%) rotate(0);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.38s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.faq-answer > div {
  overflow: hidden;
}

.faq-answer p {
  max-width: 660px;
  padding: 0 34px 25px 50px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.95;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.3s ease 0.05s, transform 0.3s ease 0.05s;
}

.faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-item.is-open .faq-answer p {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Final CTA
   ========================================================================== */

.final-cta {
  padding: 24px 0 120px;
  background: #f7f9fd;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  padding: 76px 70px;
  border: 1px solid rgba(137, 175, 245, 0.13);
  border-radius: 36px;
  background:
    radial-gradient(ellipse 55% 80% at 88% 35%, rgba(47, 107, 255, 0.35), transparent 62%),
    linear-gradient(125deg, #061226 0%, #081a37 55%, #07152b 100%);
  color: var(--white);
  box-shadow: 0 45px 90px -60px rgba(6, 18, 38, 0.8);
  isolation: isolate;
}

.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(140, 177, 240, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 177, 240, 0.055) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(ellipse 65% 90% at 70% 30%, #000, transparent 74%);
  mask-image: radial-gradient(ellipse 65% 90% at 70% 30%, #000, transparent 74%);
}

.cta-orb {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(60px);
}

.cta-orb-one {
  top: -110px;
  right: 18%;
  width: 330px;
  height: 330px;
  background: rgba(59, 119, 255, 0.2);
}

.cta-orb-two {
  bottom: -130px;
  left: 20%;
  width: 300px;
  height: 300px;
  background: rgba(255, 168, 74, 0.07);
}

.cta-panel h2 {
  margin-top: 17px;
  color: var(--white);
  font-family: var(--font-display);
  font-size: clamp(42px, 5vw, 62px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.045em;
}

.cta-panel h2 em {
  background: linear-gradient(100deg, #d9e9ff, #8bb8ff 55%, #5d91ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.cta-panel > p {
  max-width: 440px;
  margin-top: 18px;
  color: rgba(204, 221, 246, 0.58);
  font-size: 14px;
  line-height: 1.9;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 31px;
}

.cta-mark {
  position: absolute;
  top: 50%;
  right: 8%;
  width: 270px;
  height: 270px;
  transform: translateY(-50%);
}

.cta-mark-ring {
  position: absolute;
  inset: -35px;
  border: 1px solid rgba(139, 178, 246, 0.12);
  border-radius: 50%;
}

.cta-mark-ring::before,
.cta-mark-ring::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(139, 178, 246, 0.09);
  border-radius: 50%;
}

.cta-mark-ring::before {
  inset: 38px;
}

.cta-mark-ring::after {
  inset: 76px;
}

.cta-mark img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  padding: 47px;
  border-radius: 62px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow:
    0 40px 80px -35px rgba(0, 0, 0, 0.65),
    0 0 90px rgba(47, 107, 255, 0.18);
  transform: rotate(-4deg);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  position: relative;
  padding: 74px 0 28px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 50% 50% at 15% 0%, rgba(31, 77, 176, 0.16), transparent 65%),
    #061225;
  color: var(--white);
}

.site-footer::before {
  content: "ANT";
  position: absolute;
  right: -20px;
  bottom: -145px;
  color: rgba(255, 255, 255, 0.015);
  font-family: var(--font-display);
  font-size: 430px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.08em;
  pointer-events: none;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(120px, 0.55fr));
  gap: 50px;
  padding-bottom: 58px;
}

.brand-footer {
  width: fit-content;
}

.footer-brand > p {
  max-width: 330px;
  margin-top: 21px;
  color: rgba(191, 211, 239, 0.46);
  font-size: 12.5px;
  line-height: 1.9;
}

.footer-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 20px;
  padding: 6px 10px;
  border: 1px solid rgba(143, 178, 238, 0.1);
  border-radius: 99px;
  color: rgba(164, 195, 241, 0.45);
  font-family: var(--font-mono);
  font-size: 7.5px;
  letter-spacing: 0.05em;
}

.status-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 8px rgba(105, 224, 178, 0.8);
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 5px;
}

.footer-column strong {
  margin-bottom: 8px;
  color: rgba(239, 245, 255, 0.88);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.footer-column a {
  width: fit-content;
  color: rgba(172, 197, 234, 0.43);
  font-size: 11px;
  line-height: 1.7;
  transition: color 0.25s ease;
}

.footer-column a:hover {
  color: rgba(231, 240, 255, 0.9);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 23px;
  border-top: 1px solid rgba(143, 177, 236, 0.1);
  color: rgba(153, 182, 226, 0.31);
  font-size: 8.5px;
}

.footer-updated {
  margin-left: auto;
}

.footer-motto {
  color: rgba(126, 158, 206, 0.28);
  font-family: var(--font-mono);
  font-size: 7px;
  letter-spacing: 0.1em;
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(14, 38, 76, 0.08);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  box-shadow: 0 16px 35px -20px rgba(7, 21, 43, 0.5);
  opacity: 0;
  visibility: hidden;
  cursor: pointer;
  transform: translateY(8px);
  transition: all 0.3s ease;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--ink);
  color: var(--white);
}

.back-to-top svg {
  width: 17px;
  height: 17px;
}

/* ==========================================================================
   Reveal animation
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.75s cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 0.75s cubic-bezier(0.2, 0.8, 0.2, 1);
  transition-delay: var(--reveal-delay, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Keyframes
   ========================================================================== */

@keyframes auroraFloat {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  100% {
    transform: translate3d(-28px, 30px, 0) scale(1.08);
  }
}

@keyframes pulseRing {
  0% {
    opacity: 0.8;
    transform: scale(0.7);
  }
  80%,
  100% {
    opacity: 0;
    transform: scale(1.6);
  }
}

@keyframes softFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes typingDot {
  0%,
  60%,
  100% {
    opacity: 0.35;
    transform: translateY(0);
  }
  30% {
    opacity: 1;
    transform: translateY(-1.5px);
  }
}

@keyframes scrollTrail {
  0% {
    transform: translateY(-12px);
    opacity: 0;
  }
  35% {
    opacity: 1;
  }
  100% {
    transform: translateY(36px);
    opacity: 0;
  }
}

@keyframes slowSpin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes timerBar {
  0% {
    width: 42%;
  }
  100% {
    width: 16%;
  }
}

@keyframes livePulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1180px) {
  .primary-nav {
    gap: 20px;
  }

  .nav-shell {
    gap: 20px;
  }

  .hero h1 {
    font-size: clamp(48px, 5.4vw, 66px);
  }

  .hero-inner {
    gap: 18px;
  }

  .app-window {
    right: -8px;
    width: 108%;
  }

  .float-encrypt {
    left: -4px;
  }

  .float-burn {
    right: -2px;
  }

  .bento-copy > h3 {
    max-width: 290px;
  }

  .feature-orbit {
    right: -82px;
  }
}

@media (max-width: 1024px) {
  .primary-nav,
  .locale-chip {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .site-header {
    padding: 12px 0;
  }

  .nav-shell,
  .site-header.is-scrolled .nav-shell {
    min-height: 62px;
  }

  .mobile-nav {
    display: block;
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    z-index: 1200;
    width: min(1240px, calc(100% - 48px));
    padding: 18px;
    border: 1px solid rgba(14, 38, 76, 0.08);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 35px 70px -40px rgba(7, 21, 43, 0.55);
    color: var(--ink);
    transform: translate(-50%, -8px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.28s ease;
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
  }

  .mobile-nav.is-open {
    display: block;
    transform: translate(-50%, 0);
    opacity: 1;
    visibility: visible;
  }

  .mobile-nav nav {
    display: grid;
  }

  .mobile-nav nav a {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 8px;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
    font-size: 15px;
  }

  .mobile-nav nav a span {
    color: var(--amber);
    font-family: var(--font-mono);
    font-size: 8px;
  }

  .mobile-nav-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 16px;
    padding: 0 8px;
  }

  .mobile-nav-foot > span {
    color: var(--muted-2);
    font-family: var(--font-mono);
    font-size: 8px;
    letter-spacing: 0.05em;
  }

  .mobile-nav-foot .btn {
    min-height: 42px;
    padding: 9px 18px;
    font-size: 12px;
  }

  .hero {
    min-height: 0;
    padding-top: 142px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero h1 {
    max-width: 700px;
    font-size: clamp(50px, 7.2vw, 72px);
  }

  .hero-lede {
    max-width: 610px;
  }

  .hero-visual {
    min-height: 610px;
    width: min(680px, 100%);
    margin-inline: auto;
  }

  .app-window {
    width: 88%;
    right: 0;
    top: 20px;
  }

  .phone-device {
    left: 1%;
    bottom: 18px;
  }

  .float-encrypt {
    top: -8px;
    left: 0;
  }

  .float-burn {
    right: 0;
    bottom: 120px;
  }

  .hero-foot {
    margin-top: 60px;
  }

  .proof-card {
    grid-template-columns: repeat(4, 1fr);
  }

  .proof-badge {
    grid-column: 1 / -1;
    margin: 18px 0 0;
    justify-content: center;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 48px;
  }

  .section-heading-side p {
    max-width: 600px;
  }

  .section-heading h2,
  .faq-aside h2,
  .security-lead h2,
  .download-head h2 {
    font-size: clamp(37px, 5.2vw, 47px);
  }

  .bento-wide,
  .bento-lock,
  .bento-timer,
  .bento-deploy {
    grid-column: span 6;
  }

  .bento-third {
    grid-column: span 4;
  }

  .bento-dark {
    min-height: 440px;
  }

  .feature-orbit {
    width: 300px;
    height: 300px;
    right: -75px;
    top: 80px;
  }

  .feature-orbit img {
    width: 126px;
    height: 126px;
  }

  .bento-timer {
    min-height: 440px;
  }

  .bento-lock {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: space-between;
    min-height: 440px;
  }

  .bento-deploy {
    min-height: 440px;
  }

  .deploy-map {
    width: 250px;
    height: 250px;
    right: -30px;
    opacity: 0.7;
  }

  .security-inner {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .security-lead,
  .faq-aside {
    position: static;
  }

  .security-intro {
    max-width: 620px;
  }

  .encryption-demo {
    max-width: 520px;
  }

  .scenario-grid {
    gap: 14px;
  }

  .scenario-visual {
    height: 230px;
    padding: 14px;
  }

  .scenario-content {
    padding: 21px 20px 24px;
  }

  .scenario-content h3 {
    font-size: 20px;
  }

  .download-panel {
    padding: 50px 38px 32px;
  }

  .download-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .download-card {
    min-height: 345px;
  }

  .download-head {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .download-head-side p {
    max-width: 560px;
  }

  .download-assurance {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .assurance-steps {
    padding-top: 8px;
  }

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .faq-aside > p {
    max-width: 560px;
  }

  .support-card {
    max-width: 420px;
  }

  .cta-mark {
    right: 1%;
    width: 220px;
    height: 220px;
    opacity: 0.6;
  }

  .cta-panel {
    padding: 60px 46px;
  }

  .cta-panel h2 {
    font-size: clamp(40px, 6vw, 54px);
  }

  .footer-main {
    grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(100px, 0.6fr));
    gap: 35px;
  }
}

@media (max-width: 820px) {
  .section {
    padding: 92px 0;
  }

  .intro {
    padding-top: 110px;
  }

  .principles {
    grid-template-columns: 1fr;
  }

  .principle {
    padding: 24px 0;
    border-bottom: 1px solid var(--line);
  }

  .principle + .principle {
    padding-left: 0;
    border-left: 0;
  }

  .principle p {
    max-width: 520px;
  }

  .bento-wide,
  .bento-lock,
  .bento-timer,
  .bento-deploy,
  .bento-third {
    grid-column: span 12;
  }

  .bento-card {
    min-height: 0;
    padding: 28px;
  }

  .bento-dark {
    min-height: 470px;
  }

  .bento-timer {
    min-height: 390px;
  }

  .bento-third {
    min-height: 320px;
  }

  .bento-lock {
    display: grid;
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .bento-lock .bento-copy {
    height: auto;
  }

  .privacy-panel {
    max-width: 430px;
  }

  .feature-orbit {
    right: 0;
    top: 100px;
    width: 310px;
    height: 310px;
    opacity: 0.72;
  }

  .bento-deploy {
    min-height: 430px;
  }

  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .scenario-visual {
    height: 260px;
  }

  .scenario-content {
    padding: 24px 26px 28px;
  }

  .scenario-content p {
    max-width: 540px;
  }

  .security-section {
    padding: 95px 0;
  }

  .download-section {
    padding-bottom: 90px;
  }

  .download-panel {
    border-radius: 28px;
  }

  .download-head h2,
  .cta-panel h2 {
    font-size: clamp(38px, 7vw, 49px);
  }

  .assurance-steps {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .final-cta {
    padding-bottom: 90px;
  }

  .cta-panel {
    padding: 52px 36px;
  }

  .cta-mark {
    display: none;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 38px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-wrap: wrap;
    gap: 10px 18px;
  }

  .footer-updated {
    margin-left: 0;
  }

  .footer-motto {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .container {
    width: calc(100% - 32px);
  }

  .nav-shell,
  .site-header.is-scrolled .nav-shell,
  .mobile-nav {
    width: calc(100% - 24px);
  }

  .nav-shell {
    padding: 0 10px 0 12px;
    border-radius: 16px;
  }

  .brand-tile {
    width: 39px;
    height: 39px;
    border-radius: 11px;
  }

  .brand-tile img {
    width: 29px;
    height: 29px;
  }

  .brand-copy strong {
    font-size: 13px;
  }

  .brand-copy span {
    font-size: 6.5px;
  }

  .nav-download {
    display: none;
  }

  .nav-tools {
    gap: 8px;
  }

  .hero {
    padding: 122px 0 48px;
  }

  .hero h1 {
    margin-top: 22px;
    font-size: clamp(40px, 11vw, 55px);
    line-height: 1.18;
  }

  .hero-lede {
    margin-top: 20px;
    font-size: 14px;
    line-height: 1.85;
  }

  .hero-actions {
    margin-top: 26px;
  }

  .hero-actions .btn {
    flex: 1 1 auto;
  }

  .hero-platforms {
    gap: 10px;
    margin-top: 27px;
  }

  .hero-fact {
    display: none;
  }

  .hero-visual {
    min-height: 440px;
    margin-top: 6px;
  }

  .app-window {
    top: 20px;
    width: 100%;
    transform: none;
  }

  .app-window:hover {
    transform: none;
  }

  .app-layout {
    grid-template-columns: 1fr;
    height: 320px;
  }

  .app-sidebar {
    display: none;
  }

  .phone-device {
    left: -2px;
    bottom: 0;
    width: 140px;
    height: 282px;
    transform: rotate(-4deg);
  }

  .float-card {
    padding: 8px 10px;
    border-radius: 12px;
  }

  .float-card strong {
    font-size: 9px;
  }

  .float-card div > span {
    font-size: 7px;
  }

  .float-icon {
    width: 27px;
    height: 27px;
  }

  .float-icon svg {
    width: 14px;
    height: 14px;
  }

  .float-encrypt {
    top: -4px;
    left: 0;
  }

  .float-burn {
    right: 0;
    bottom: 75px;
  }

  .float-members {
    display: none;
  }

  .hero-foot {
    margin-top: 30px;
  }

  .proof {
    margin-top: -28px;
  }

  .proof-card {
    grid-template-columns: 1fr 1fr;
    gap: 18px 0;
    padding: 22px 20px;
    border-radius: 18px;
  }

  .proof-item {
    padding: 0 14px;
  }

  .proof-item:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .proof-item strong {
    font-size: 23px;
  }

  .proof-item:nth-child(3) strong {
    font-size: 20px;
  }

  .proof-badge {
    grid-column: 1 / -1;
    margin-top: 0;
  }

  .section {
    padding: 78px 0;
  }

  .intro {
    padding-top: 92px;
  }

  .section-heading {
    margin-bottom: 38px;
  }

  .section-heading h2,
  .faq-aside h2,
  .security-lead h2,
  .download-head h2 {
    font-size: clamp(32px, 8.7vw, 41px);
  }

  .section-heading-side p,
  .security-intro,
  .faq-aside > p {
    font-size: 13.5px;
  }

  .bento-grid {
    gap: 12px;
  }

  .bento-card {
    padding: 23px;
    border-radius: 21px;
  }

  .bento-dark {
    min-height: 475px;
  }

  .bento-dark h3 {
    font-size: 35px;
  }

  .bento-card h3 {
    font-size: 26px;
  }

  .bento-third h3,
  .bento-lock h3,
  .bento-deploy h3 {
    font-size: 25px;
  }

  .feature-orbit {
    top: 120px;
    right: -40px;
    width: 280px;
    height: 280px;
    opacity: 0.55;
  }

  .orbit-tag-top {
    display: none;
  }

  .feature-orbit img {
    width: 108px;
    height: 108px;
  }

  .orbit-tag-bottom {
    display: none;
  }

  .cipher-strip {
    padding: 0 16px;
    font-size: 6px;
  }

  .cipher-strip span:nth-child(n + 4) {
    display: none;
  }

  .bento-timer {
    min-height: 365px;
  }

  .timer-number {
    font-size: 40px;
  }

  .timer-caption {
    display: none;
  }

  .bento-lock {
    min-height: 0;
  }

  .privacy-panel {
    margin-top: 4px;
  }

  .bento-deploy {
    min-height: 440px;
  }

  .deploy-map {
    width: 220px;
    height: 220px;
    right: -46px;
    bottom: -12px;
    top: auto;
    opacity: 0.55;
    transform: none;
  }

  .encryption-demo {
    margin-top: 30px;
  }

  .security-section {
    padding: 78px 0;
  }

  .security-item {
    grid-template-columns: 26px minmax(0, 1fr);
    gap: 9px;
    padding: 22px 0;
  }

  .security-item:hover {
    padding-left: 0;
  }

  .security-item-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .security-item h3 {
    font-size: 16px;
  }

  .security-item p {
    font-size: 12.5px;
  }

  .security-note {
    padding: 22px 22px 20px 42px;
  }

  .security-note p {
    font-size: 13.5px;
  }

  .scenario-visual {
    height: 240px;
  }

  .download-section {
    padding-top: 22px;
  }

  .download-panel {
    padding: 38px 20px 25px;
    border-radius: 24px;
  }

  .download-head {
    gap: 16px;
  }

  .download-grid {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 30px;
  }

  .download-card {
    min-height: 0;
    padding: 20px;
  }

  .download-card-copy {
    margin-top: 18px;
  }

  .download-card p {
    margin-bottom: 18px;
  }

  .btn-download,
  .split-actions {
    margin-top: 4px;
  }

  .detected-pill {
    min-height: 20px;
  }

  .download-assurance {
    margin-top: 22px;
    padding-top: 22px;
  }

  .qr-block img {
    width: 88px;
    height: 88px;
  }

  .assurance-steps {
    gap: 13px;
  }

  .faq-item button {
    grid-template-columns: 25px minmax(0, 1fr) 22px;
    gap: 9px;
    padding: 19px 0;
  }

  .faq-question {
    font-size: 14px;
    line-height: 1.6;
  }

  .faq-answer p {
    padding: 0 6px 22px 34px;
    font-size: 12.5px;
  }

  .support-card {
    margin-top: 26px;
  }

  .final-cta {
    padding-bottom: 74px;
  }

  .cta-panel {
    padding: 42px 24px;
    border-radius: 26px;
  }

  .cta-panel h2 {
    font-size: clamp(35px, 10vw, 46px);
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 30px 20px;
    padding-bottom: 40px;
  }

  .site-footer {
    padding-top: 55px;
  }

  .footer-bottom {
    font-size: 7.5px;
  }

  .footer-motto {
    font-size: 6.5px;
  }

  .back-to-top {
    right: 14px;
    bottom: 14px;
    width: 38px;
    height: 38px;
  }
}

@media (max-width: 420px) {
  .brand-copy span {
    display: none;
  }

  .menu-toggle {
    width: 38px;
    height: 38px;
  }

  .hero h1 {
    font-size: 39px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-platforms {
    font-size: 8.5px;
  }

  .hero-visual {
    min-height: 400px;
  }

  .phone-device {
    width: 122px;
    height: 246px;
  }

  .app-layout {
    height: 292px;
  }

  .conversation-body {
    padding-inline: 10px;
  }

  .float-burn {
    bottom: 55px;
  }

  .proof-item {
    padding-inline: 10px;
  }

  .proof-item strong {
    font-size: 20px;
  }

  .bento-dark {
    min-height: 500px;
  }

  .bento-dark h3 {
    font-size: 32px;
  }

  .bento-deploy {
    min-height: 465px;
  }

  .download-head h2,
  .cta-panel h2 {
    font-size: 34px;
  }

  .footer-column strong {
    font-size: 10px;
  }
}

@media (max-width: 360px) {
  .hero h1 {
    font-size: 33px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}