:root {
  color-scheme: dark;
  --bg: #0a0d12;
  --bg-deep: #05070b;
  --surface: #101319;
  --surface-raised: #191c20;
  --surface-soft: #121722;
  --text: #f5f6fa;
  --muted: #abadb1;
  --muted-low: #76787c;
  --blue: #4795f0;
  --blue-soft: #7db2ff;
  --violet: #735af1;
  --cyan: #18d8ea;
  --success: #22c55e;
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.16);
  --glass: rgba(16, 19, 25, 0.72);
  --shadow: 0 36px 90px rgba(0, 0, 0, 0.42);
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 30px;
  --radius-xl: 40px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  background:
    radial-gradient(circle at 80% 5%, rgba(53, 91, 179, 0.12), transparent 26rem),
    linear-gradient(180deg, #080b10 0%, var(--bg) 28%, #080b10 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -3;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 44%);
  content: "";
  pointer-events: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

::selection {
  background: rgba(71, 149, 240, 0.38);
  color: #fff;
}

:focus-visible {
  outline: 3px solid var(--blue-soft);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 12px 16px;
  border-radius: 10px;
  background: #fff;
  color: #101319;
  font-weight: 750;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(1200px, calc(100% - 48px));
  margin-inline: auto;
}

.section {
  padding-block: 136px;
}

.page-glow {
  position: fixed;
  z-index: -2;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.16;
  pointer-events: none;
}

.page-glow--one {
  top: -18rem;
  right: -15rem;
  width: 42rem;
  height: 42rem;
  background: #195cc2;
}

.page-glow--two {
  top: 62rem;
  left: -22rem;
  width: 38rem;
  height: 38rem;
  background: #5b36d6;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(8, 11, 16, 0.66);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  transition: border-color 180ms ease, background 180ms ease;
}

.site-header.is-scrolled,
.site-header.menu-open {
  border-bottom-color: var(--border);
  background: rgba(8, 11, 16, 0.88);
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  flex: none;
  align-items: center;
  gap: 11px;
  color: #fff;
  font-size: 21px;
  font-weight: 790;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand img {
  border-radius: 12px;
  box-shadow: 0 9px 26px rgba(46, 96, 224, 0.2);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
}

.site-nav a {
  position: relative;
  padding-block: 12px;
  color: #a9adb6;
  font-size: 14px;
  font-weight: 620;
  text-decoration: none;
  transition: color 180ms ease;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 6px;
  left: 0;
  height: 1px;
  background: var(--blue-soft);
  content: "";
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #fff;
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 11px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 16px;
  font-size: 14px;
  font-weight: 730;
  letter-spacing: -0.01em;
  text-align: center;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

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

.button.is-disabled,
.button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.58;
  filter: grayscale(0.18);
  transform: none;
  box-shadow: none;
}

.button--primary {
  border-color: rgba(125, 178, 255, 0.18);
  background: linear-gradient(135deg, #2879dc 0%, #456fe5 52%, #7257ea 100%);
  box-shadow: 0 16px 38px rgba(56, 98, 224, 0.26), inset 0 1px rgba(255, 255, 255, 0.18);
  color: #fff;
}

.button--primary:hover {
  box-shadow: 0 20px 46px rgba(56, 98, 224, 0.36), inset 0 1px rgba(255, 255, 255, 0.22);
}

.button--ghost {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.025);
  color: #e4e6ec;
}

.button--ghost:hover {
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.055);
}

.button--small {
  min-height: 42px;
  padding-inline: 17px;
  border-radius: 13px;
  font-size: 13px;
}

.button--nav {
  margin-left: 28px;
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.button--full {
  width: 100%;
}

.button--light {
  background: #fff;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.25);
  color: #0d1118;
}

.button--light span {
  font-size: 18px;
}

.button-download {
  position: relative;
  width: 17px;
  height: 18px;
  border-bottom: 2px solid currentColor;
}

.button-download::before {
  position: absolute;
  top: 1px;
  left: 7px;
  width: 2px;
  height: 10px;
  border-radius: 2px;
  background: currentColor;
  content: "";
}

.button-download::after {
  position: absolute;
  top: 5px;
  left: 4px;
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  content: "";
  transform: rotate(45deg);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  color: #fff;
  cursor: pointer;
}

.menu-toggle span {
  position: absolute;
  width: 18px;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 180ms ease;
}

.menu-toggle span:first-child {
  transform: translateY(-4px);
}

.menu-toggle span:last-child {
  transform: translateY(4px);
}

.site-header.menu-open .menu-toggle span:first-child {
  transform: rotate(45deg);
}

.site-header.menu-open .menu-toggle span:last-child {
  transform: rotate(-45deg);
}

.hero {
  display: grid;
  min-height: 820px;
  grid-template-columns: minmax(0, 1.02fr) minmax(440px, 0.98fr);
  align-items: center;
  gap: 48px;
  padding-block: 86px 114px;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #91bcff;
  font-size: 11px;
  font-weight: 780;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 5px rgba(34, 197, 94, 0.1), 0 0 16px rgba(34, 197, 94, 0.7);
}

.hero h1 {
  max-width: 770px;
  margin: 24px 0 28px;
  font-size: clamp(58px, 7vw, 92px);
  font-weight: 770;
  letter-spacing: -0.067em;
  line-height: 0.98;
}

.hero h1 span {
  background: linear-gradient(100deg, #ffffff 0%, #9cc7ff 40%, #9d8cff 77%, #c294ff 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.hero-lead {
  max-width: 620px;
  margin: 0;
  color: #aeb2bb;
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.65;
}

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

.release-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 25px;
  color: var(--muted-low);
  font-size: 12px;
}

.release-summary > span {
  padding-inline: 13px;
  border-right: 1px solid var(--border);
}

.release-summary > span:first-child {
  padding-left: 0;
}

.release-summary > span:last-child {
  border-right: 0;
}

.release-summary strong {
  color: #c7cbd2;
  font-weight: 670;
}

.product-stage {
  position: relative;
  display: grid;
  min-height: 680px;
  place-items: center;
  isolation: isolate;
}

.product-stage::before {
  position: absolute;
  z-index: -2;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(55, 108, 238, 0.27), rgba(92, 65, 216, 0.08) 48%, transparent 70%);
  content: "";
  filter: blur(10px);
}

.stage-orbit {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(125, 178, 255, 0.12);
  border-radius: 50%;
}

.stage-orbit--one {
  width: 500px;
  height: 500px;
}

.stage-orbit--two {
  width: 620px;
  height: 620px;
  border-color: rgba(115, 90, 241, 0.09);
}

.phone-frame {
  position: relative;
  z-index: 2;
  width: min(354px, 70vw);
  aspect-ratio: 0.505;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.19);
  border-radius: 52px;
  background: linear-gradient(145deg, #303640, #0c0f14 40%, #242831);
  box-shadow: 0 52px 100px rgba(0, 0, 0, 0.55), 0 0 0 2px rgba(0, 0, 0, 0.72), inset 0 1px rgba(255, 255, 255, 0.17);
  transform: rotate(2.8deg);
  animation: phone-float 7s ease-in-out infinite;
}

.phone-frame::before,
.phone-frame::after {
  position: absolute;
  left: -5px;
  width: 4px;
  border-radius: 3px 0 0 3px;
  background: #292e37;
  content: "";
}

.phone-frame::before {
  top: 126px;
  height: 64px;
}

.phone-frame::after {
  top: 204px;
  height: 84px;
}

.phone-screen {
  position: relative;
  height: 100%;
  overflow: hidden;
  border-radius: 44px;
  background:
    radial-gradient(circle at 100% 0%, rgba(71, 149, 240, 0.12), transparent 16rem),
    #0b0e14;
}

.phone-screen::before {
  position: absolute;
  top: 10px;
  left: 50%;
  z-index: 3;
  width: 94px;
  height: 27px;
  border-radius: 999px;
  background: #030406;
  content: "";
  transform: translateX(-50%);
}

.phone-status {
  display: flex;
  height: 48px;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
  color: #ebedf2;
  font-size: 10px;
  font-weight: 700;
}

.phone-status > i {
  width: 84px;
}

.signal {
  display: flex;
  align-items: flex-end;
  gap: 2px;
}

.signal span {
  width: 3px;
  border-radius: 2px;
  background: #fff;
}

.signal span:nth-child(1) { height: 4px; }
.signal span:nth-child(2) { height: 7px; }
.signal span:nth-child(3) { height: 10px; }

.conversation-head {
  display: grid;
  grid-template-columns: 28px 42px 1fr 30px;
  align-items: center;
  gap: 8px;
  padding: 12px 17px 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.055);
}

.back-mark {
  width: 9px;
  height: 9px;
  margin-left: 6px;
  border-bottom: 2px solid #a8caff;
  border-left: 2px solid #a8caff;
  transform: rotate(45deg);
}

.person-avatar,
.stage-avatar,
.preview-avatar,
.call-person {
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  font-weight: 760;
}

.person-avatar {
  width: 42px;
  height: 42px;
  font-size: 13px;
}

.avatar--linh { background: linear-gradient(145deg, #e46d9f, #6e4ad3); }
.avatar--minh { background: linear-gradient(145deg, #2fa2e4, #3150a8); }
.avatar--lan { background: linear-gradient(145deg, #dc8b63, #7753c5); }

.person-copy strong,
.person-copy small {
  display: block;
}

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

.person-copy small {
  margin-top: 2px;
  color: #58cf8b;
  font-size: 8px;
}

.video-mark {
  position: relative;
  width: 17px;
  height: 13px;
  border: 1.5px solid #8ebaff;
  border-radius: 4px;
}

.video-mark::after {
  position: absolute;
  top: 3px;
  right: -6px;
  border-top: 3px solid transparent;
  border-bottom: 3px solid transparent;
  border-left: 5px solid #8ebaff;
  content: "";
}

.conversation-date {
  margin: 18px 0 15px;
  color: #626a78;
  font-size: 8px;
  text-align: center;
}

.message {
  width: fit-content;
  max-width: 72%;
  margin: 8px 16px;
  padding: 10px 13px;
  border-radius: 16px;
  font-size: 10px;
  line-height: 1.4;
}

.message--theirs {
  border-bottom-left-radius: 5px;
  background: #1b2029;
  color: #e4e7ed;
}

.message--mine {
  margin-left: auto;
  border-bottom-right-radius: 5px;
  background: linear-gradient(135deg, #256abb, #4e60d4);
  color: #fff;
}

.shared-photo {
  position: relative;
  width: 68%;
  height: 125px;
  margin: 10px 16px 10px auto;
  overflow: hidden;
  border-radius: 17px 17px 5px 17px;
  background: linear-gradient(180deg, #284d78, #d79b78);
}

.photo-sky {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(25, 72, 135, 0.2), rgba(241, 165, 113, 0.48));
}

.photo-sun {
  position: absolute;
  top: 24px;
  right: 36px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #ffe6b4;
  box-shadow: 0 0 24px #ffc97a;
}

.photo-hill {
  position: absolute;
  bottom: -40px;
  border-radius: 50% 50% 0 0;
  transform: rotate(-6deg);
}

.photo-hill--one {
  left: -20px;
  width: 150px;
  height: 104px;
  background: #223f42;
}

.photo-hill--two {
  right: -34px;
  width: 165px;
  height: 118px;
  background: #172f3c;
  transform: rotate(8deg);
}

.call-message {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: 9px;
  margin: 10px 16px;
  padding: 9px 12px;
  border: 1px solid rgba(125, 178, 255, 0.12);
  border-radius: 15px 15px 15px 5px;
  background: rgba(31, 41, 57, 0.85);
}

.call-symbol {
  position: relative;
  width: 27px;
  height: 27px;
  border-radius: 50%;
  background: rgba(71, 149, 240, 0.17);
}

.call-symbol::before {
  position: absolute;
  inset: 8px 7px;
  border: 2px solid #76aff8;
  border-top-color: transparent;
  border-radius: 50%;
  content: "";
  transform: rotate(-38deg);
}

.call-message strong,
.call-message small {
  display: block;
}

.call-message strong { font-size: 9px; }
.call-message small { margin-top: 2px; color: #858e9c; font-size: 7px; }

.composer {
  position: absolute;
  right: 14px;
  bottom: 18px;
  left: 14px;
  display: grid;
  height: 44px;
  grid-template-columns: 28px 1fr 28px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.075);
  border-radius: 16px;
  background: rgba(22, 26, 34, 0.94);
}

.add-mark {
  position: relative;
  width: 19px;
  height: 19px;
  margin-left: 9px;
  border: 1px solid #6b7482;
  border-radius: 50%;
}

.add-mark::before,
.add-mark::after {
  position: absolute;
  top: 8px;
  left: 4px;
  width: 9px;
  height: 1px;
  background: #7c8491;
  content: "";
}

.add-mark::after { transform: rotate(90deg); }

.composer-placeholder {
  color: #646d7b;
  font-size: 9px;
}

.voice-mark {
  width: 10px;
  height: 16px;
  border: 1.5px solid #758092;
  border-radius: 7px;
}

.stage-card {
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  border: 1px solid var(--border-strong);
  background: rgba(19, 23, 31, 0.82);
  box-shadow: 0 22px 55px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
}

.stage-card--call {
  right: -14px;
  top: 112px;
  gap: 11px;
  min-width: 222px;
  padding: 13px;
  border-radius: 19px;
}

.stage-avatar {
  width: 38px;
  height: 38px;
  font-size: 11px;
}

.stage-card small,
.stage-card strong {
  display: block;
}

.stage-card small {
  color: #808896;
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.stage-card strong {
  margin-top: 3px;
  font-size: 11px;
}

.answer-button {
  position: relative;
  width: 31px;
  height: 31px;
  margin-left: auto;
  border-radius: 50%;
  background: var(--success);
}

.answer-button::before {
  position: absolute;
  inset: 9px 8px;
  border: 2px solid #fff;
  border-top-color: transparent;
  border-radius: 50%;
  content: "";
  transform: rotate(-35deg);
}

.stage-card--security {
  bottom: 98px;
  left: -18px;
  gap: 11px;
  padding: 14px 17px;
  border-radius: 19px;
}

.shield-mark {
  position: relative;
  width: 34px;
  height: 39px;
  background: linear-gradient(145deg, #4e9cf4, #6a58ec);
  clip-path: polygon(50% 0, 92% 15%, 84% 73%, 50% 100%, 16% 73%, 8% 15%);
}

.shield-mark::after {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 8px;
  height: 5px;
  border-bottom: 2px solid #fff;
  border-left: 2px solid #fff;
  content: "";
  transform: rotate(-45deg);
}

@keyframes phone-float {
  0%, 100% { transform: rotate(2.8deg) translateY(0); }
  50% { transform: rotate(2deg) translateY(-10px); }
}

.trust-strip {
  display: grid;
  grid-template-columns: 1.15fr repeat(3, 1fr);
  margin-bottom: 32px;
  border-block: 1px solid var(--border);
}

.trust-strip > div {
  min-height: 104px;
  padding: 24px 26px;
  border-right: 1px solid var(--border);
}

.trust-strip > div:first-child { padding-left: 0; }
.trust-strip > div:last-child { border-right: 0; }

.trust-intro span,
.trust-intro strong,
.trust-item strong,
.trust-item small {
  display: block;
}

.trust-intro span {
  color: #646b77;
  font-size: 9px;
  font-weight: 760;
  letter-spacing: 0.13em;
}

.trust-intro strong {
  margin-top: 9px;
  font-size: 16px;
  font-weight: 680;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 13px;
}

.trust-number {
  color: #628bc2;
  font-size: 10px;
  font-weight: 740;
}

.trust-item strong {
  font-size: 12px;
  font-weight: 680;
}

.trust-item small {
  margin-top: 5px;
  color: #707784;
  font-size: 9px;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  align-items: end;
  gap: 80px;
  margin-bottom: 52px;
}

.section-heading h2,
.security-copy h2,
.faq-heading h2,
.closing h2 {
  margin: 15px 0 0;
  font-size: clamp(42px, 5.3vw, 66px);
  font-weight: 740;
  letter-spacing: -0.056em;
  line-height: 1.02;
}

.section-heading > p,
.security-copy > p {
  margin: 0;
  color: #989da7;
  font-size: 16px;
  line-height: 1.7;
}

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

.feature-card {
  position: relative;
  min-height: 440px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(25, 29, 37, 0.88), rgba(13, 16, 22, 0.9));
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.025);
  transition: border-color 220ms ease, transform 220ms ease;
}

.feature-card::after {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(circle at 80% 100%, rgba(71, 149, 240, 0.12), transparent 46%);
  content: "";
  pointer-events: none;
}

.feature-card:hover {
  border-color: rgba(125, 178, 255, 0.2);
  transform: translateY(-3px);
}

.feature-card--messages { grid-column: span 7; }
.feature-card--calls { grid-column: span 5; }
.feature-card--stories { grid-column: span 5; }
.feature-card--access { grid-column: span 7; }

.feature-copy {
  position: relative;
  z-index: 2;
  padding: 34px;
}

.feature-index {
  color: #7eaeea;
  font-size: 9px;
  font-weight: 770;
  letter-spacing: 0.14em;
}

.feature-copy h3 {
  max-width: 450px;
  margin: 17px 0 12px;
  font-size: clamp(25px, 2.5vw, 34px);
  font-weight: 680;
  letter-spacing: -0.04em;
  line-height: 1.12;
}

.feature-copy p {
  max-width: 480px;
  margin: 0;
  color: #8f959f;
  font-size: 14px;
  line-height: 1.62;
}

.message-preview {
  position: absolute;
  right: 28px;
  bottom: -28px;
  left: 28px;
  z-index: 1;
  min-height: 198px;
  padding: 25px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px 24px 0 0;
  background: rgba(9, 12, 17, 0.82);
  box-shadow: 0 -18px 55px rgba(0, 0, 0, 0.18);
}

.preview-row {
  display: flex;
  align-items: flex-end;
  gap: 9px;
  margin-bottom: 12px;
}

.preview-row--mine {
  justify-content: flex-end;
}

.preview-avatar {
  width: 30px;
  height: 30px;
  flex: none;
  font-size: 8px;
}

.preview-bubble {
  padding: 10px 13px;
  border-radius: 15px 15px 15px 5px;
  background: #20252e;
  color: #dce0e6;
  font-size: 10px;
}

.preview-bubble--mine {
  border-radius: 15px 15px 5px 15px;
  background: #255fa8;
  color: #fff;
}

.preview-audio {
  display: grid;
  width: 210px;
  height: 42px;
  grid-template-columns: 24px 1fr 30px;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  padding: 0 11px;
  border-radius: 15px 15px 5px 15px;
  background: linear-gradient(135deg, #275fa5, #4d57c7);
}

.play-dot {
  width: 0;
  height: 0;
  margin-left: 3px;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid #fff;
}

.audio-wave {
  display: flex;
  height: 18px;
  align-items: center;
  gap: 3px;
}

.audio-wave i {
  width: 2px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.72);
}

.audio-wave i:nth-child(1), .audio-wave i:nth-child(8) { height: 5px; }
.audio-wave i:nth-child(2), .audio-wave i:nth-child(6) { height: 11px; }
.audio-wave i:nth-child(3), .audio-wave i:nth-child(5) { height: 16px; }
.audio-wave i:nth-child(4), .audio-wave i:nth-child(7) { height: 8px; }

.preview-audio small { color: rgba(255, 255, 255, 0.7); font-size: 8px; }

.feature-card--calls::after {
  background: radial-gradient(circle at 50% 75%, rgba(101, 75, 222, 0.24), transparent 46%);
}

.call-preview {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  display: flex;
  height: 230px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.call-glow {
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(122, 89, 236, 0.34), transparent 65%);
  filter: blur(8px);
}

.call-person {
  position: relative;
  width: 78px;
  height: 78px;
  border: 4px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 1px rgba(125, 178, 255, 0.3), 0 18px 45px rgba(0, 0, 0, 0.3);
  font-size: 16px;
}

.call-preview strong {
  position: relative;
  margin-top: 12px;
  font-size: 12px;
}

.call-preview small {
  position: relative;
  margin-top: 3px;
  color: #7e8590;
  font-size: 8px;
}

.call-controls {
  position: relative;
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.call-controls span {
  position: relative;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.call-controls span::after {
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: #a2a7b0;
  content: "";
}

.call-controls .call-end {
  border-color: rgba(239, 68, 68, 0.3);
  background: #d83f45;
}

.call-controls .call-end::after {
  inset: 11px 9px;
  border: 2px solid #fff;
  border-top-color: transparent;
  background: transparent;
  transform: rotate(-35deg);
}

.feature-card--cloud::after {
  background:
    radial-gradient(circle at 70% 66%, rgba(47, 148, 255, 0.2), transparent 43%),
    radial-gradient(circle at 35% 90%, rgba(255, 213, 79, 0.11), transparent 36%);
}

.cloud-preview {
  position: absolute;
  right: 20px;
  bottom: 18px;
  left: 24px;
  z-index: 1;
  height: 216px;
}

.cloud-orbit {
  position: absolute;
  right: 5%;
  bottom: -88px;
  width: 230px;
  height: 230px;
  border: 1px solid rgba(82, 163, 255, 0.24);
  border-radius: 50%;
  box-shadow: 0 0 70px rgba(40, 132, 236, 0.12), inset 0 0 45px rgba(40, 132, 236, 0.05);
}

.cloud-orbit::before,
.cloud-orbit::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(82, 163, 255, 0.16);
  border-radius: 50%;
}

.cloud-orbit::before {
  inset: 28px;
}

.cloud-orbit::after {
  inset: 58px;
}

.cloud-orbit span {
  position: absolute;
  top: 37px;
  left: 28px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 18px rgba(67, 153, 255, 0.9);
}

.cloud-file {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
  padding: 13px 15px;
  border: 1px solid rgba(128, 179, 231, 0.2);
  border-radius: 16px;
  background: rgba(9, 24, 37, 0.86);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(18px);
}

.cloud-file--document {
  top: 20px;
  left: 1%;
  transform: rotate(-2deg);
}

.cloud-file--image {
  right: 1%;
  bottom: 34px;
  transform: rotate(2deg);
}

.cloud-file__icon {
  display: grid;
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  color: #06111d;
  font-size: 13px;
  font-weight: 850;
  background: linear-gradient(145deg, #69baff, #3a86e8);
}

.cloud-file--image .cloud-file__icon {
  background: linear-gradient(145deg, #ffe38a, #eabf3a);
}

.cloud-file strong,
.cloud-file small {
  display: block;
}

.cloud-file strong {
  margin-bottom: 3px;
  color: rgba(244, 249, 255, 0.92);
  font-size: 11px;
}

.cloud-file small {
  color: rgba(171, 193, 214, 0.7);
  font-size: 8px;
}

.cloud-capacity {
  position: absolute;
  bottom: 0;
  left: 7%;
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(171, 193, 214, 0.72);
  font-size: 8px;
}

.cloud-capacity span {
  width: 48px;
  height: 3px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.1);
}

.cloud-capacity span::after {
  display: block;
  width: 64%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), #75baff);
  content: "";
}

.feature-card--access {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  align-items: center;
}

.feature-card--access::after {
  background: radial-gradient(circle at 22% 52%, rgba(24, 216, 234, 0.12), transparent 37%);
}

.access-visual {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.passkey-ring {
  position: relative;
  display: grid;
  width: 138px;
  height: 138px;
  place-items: center;
  border: 1px solid rgba(125, 178, 255, 0.19);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 99, 187, 0.24), rgba(16, 22, 33, 0.25) 64%);
  box-shadow: 0 0 0 18px rgba(71, 149, 240, 0.025), 0 0 70px rgba(71, 149, 240, 0.14);
}

.passkey-ring::before {
  position: absolute;
  width: 45px;
  height: 45px;
  border: 4px solid #7db2ff;
  border-radius: 50%;
  content: "";
}

.passkey-ring::after {
  position: absolute;
  top: 86px;
  width: 53px;
  height: 4px;
  border-radius: 3px;
  background: #7db2ff;
  box-shadow: 13px 8px 0 -1px #7db2ff;
  content: "";
  transform: rotate(45deg);
}

.passkey-ring > span {
  position: absolute;
  top: 43px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--bg);
}

.access-label {
  margin-top: 30px;
  text-align: center;
}

.access-label strong,
.access-label small { display: block; }
.access-label strong { font-size: 12px; }
.access-label small { margin-top: 4px; color: #737b88; font-size: 8px; }

.security-section {
  padding-top: 90px;
}

.security-panel {
  position: relative;
  display: grid;
  overflow: hidden;
  grid-template-columns: 1fr 0.95fr;
  gap: 70px;
  padding: 68px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 100% 0%, rgba(75, 98, 220, 0.16), transparent 32rem),
    linear-gradient(145deg, rgba(22, 27, 36, 0.96), rgba(10, 13, 18, 0.98));
  box-shadow: var(--shadow);
}

.security-panel::before {
  position: absolute;
  top: -130px;
  right: -110px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(125, 178, 255, 0.09);
  border-radius: 50%;
  content: "";
}

.security-copy {
  position: relative;
  z-index: 1;
}

.security-copy h2 {
  max-width: 590px;
  font-size: clamp(39px, 4.6vw, 58px);
}

.security-copy > p {
  max-width: 580px;
  margin-top: 22px;
}

.security-list {
  display: grid;
  gap: 0;
  margin: 31px 0 28px;
  padding: 0;
  list-style: none;
}

.security-list li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.security-list li > span {
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.1);
}

.security-list li > span::after {
  position: absolute;
  top: 6px;
  left: 6px;
  width: 8px;
  height: 5px;
  border-bottom: 1.5px solid #63dc96;
  border-left: 1.5px solid #63dc96;
  content: "";
  transform: rotate(-45deg);
}

.security-list strong,
.security-list small { display: block; }
.security-list strong { font-size: 13px; font-weight: 680; }
.security-list small { margin-top: 5px; color: #848b96; font-size: 11px; line-height: 1.5; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #a9cbff;
  font-size: 13px;
  font-weight: 680;
  text-decoration: none;
}

.text-link span {
  transition: transform 180ms ease;
}

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

.security-console {
  position: relative;
  z-index: 1;
  align-self: center;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 27px;
  background: rgba(8, 11, 16, 0.68);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35), inset 0 1px rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

.console-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.console-head small,
.console-head strong { display: block; }
.console-head small { color: #6d7581; font-size: 7px; font-weight: 750; letter-spacing: 0.12em; }
.console-head strong { margin-top: 5px; font-size: 16px; }

.secure-badge,
.latest-badge {
  padding: 6px 9px;
  border: 1px solid rgba(34, 197, 94, 0.17);
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.08);
  color: #72dfa0;
  font-size: 8px;
  font-weight: 700;
}

.console-score {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 25px 0 18px;
  padding: 18px;
  border: 1px solid rgba(125, 178, 255, 0.1);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(44, 88, 156, 0.17), rgba(94, 71, 190, 0.1));
}

.score-ring {
  display: grid;
  width: 62px;
  height: 62px;
  flex: none;
  place-content: center;
  border: 3px solid rgba(125, 178, 255, 0.8);
  border-right-color: rgba(115, 90, 241, 0.28);
  border-radius: 50%;
  text-align: center;
}

.score-ring strong,
.score-ring small { display: block; line-height: 1; }
.score-ring strong { font-size: 17px; }
.score-ring small { margin-top: 3px; color: #8491a3; font-size: 7px; }

.console-score p {
  margin: 0;
  color: #a5abb5;
  font-size: 11px;
  line-height: 1.55;
}

.device-list {
  border-block: 1px solid rgba(255, 255, 255, 0.07);
}

.device-item {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 14px 2px;
}

.device-item + .device-item {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.device-icon {
  position: relative;
  justify-self: center;
  border: 1.5px solid #77869d;
}

.device-icon--phone {
  width: 15px;
  height: 23px;
  border-radius: 4px;
}

.device-icon--tablet {
  width: 22px;
  height: 17px;
  border-radius: 4px;
}

.device-icon::after {
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: #77869d;
  content: "";
  transform: translateX(-50%);
}

.device-item strong,
.device-item small { display: block; }
.device-item strong { font-size: 10px; }
.device-item small { margin-top: 3px; color: #737b87; font-size: 8px; }

.online-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 9px rgba(34, 197, 94, 0.55);
}

.device-action {
  display: inline-grid;
  min-height: 30px;
  place-items: center;
  padding: 0 9px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: #969da9;
  font-size: 8px;
}

.console-note {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 16px;
}

.shield-mark--small {
  width: 21px;
  height: 24px;
  flex: none;
}

.shield-mark--small::after {
  top: 7px;
  left: 7px;
  width: 6px;
  height: 4px;
}

.console-note p {
  margin: 0;
  color: #747c88;
  font-size: 8px;
}

.install-section {
  padding-top: 120px;
}

.section-heading--install strong {
  color: #d5d8df;
}

.install-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(430px, 1.2fr);
  gap: 70px;
  align-items: start;
}

.install-steps {
  display: grid;
}

.install-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
}

.install-step > span {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid rgba(125, 178, 255, 0.17);
  border-radius: 13px;
  background: rgba(71, 149, 240, 0.07);
  color: #8ab9f7;
  font-size: 11px;
  font-weight: 750;
}

.install-step h3 {
  margin: 1px 0 7px;
  font-size: 16px;
  font-weight: 660;
}

.install-step p {
  margin: 0;
  color: #838a95;
  font-size: 12px;
  line-height: 1.6;
}

.store-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 0;
  color: #6f7681;
  font-size: 10px;
}

.store-note > span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #efac37;
  box-shadow: 0 0 12px rgba(239, 172, 55, 0.42);
}

.release-card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 100% 0%, rgba(71, 149, 240, 0.13), transparent 22rem),
    rgba(17, 20, 27, 0.88);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.25), inset 0 1px rgba(255, 255, 255, 0.03);
}

.release-card__top {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: center;
  gap: 16px;
}

.release-card__top img {
  border-radius: 20px;
  box-shadow: 0 16px 40px rgba(51, 89, 213, 0.2);
}

.release-card__top > div > span {
  color: #747c88;
  font-size: 8px;
  font-weight: 750;
  letter-spacing: 0.11em;
}

.release-card__top h3 {
  margin: 6px 0 0;
  font-size: 23px;
  letter-spacing: -0.03em;
}

.release-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 24px 0;
  border-block: 1px solid rgba(255, 255, 255, 0.075);
}

.release-meta div {
  padding: 16px 13px;
  border-right: 1px solid rgba(255, 255, 255, 0.075);
}

.release-meta div:first-child { padding-left: 0; }
.release-meta div:last-child { border-right: 0; }
.release-meta span,
.release-meta strong { display: block; }
.release-meta span { color: #6f7681; font-size: 8px; }
.release-meta strong { margin-top: 5px; color: #d2d6dc; font-size: 10px; }

.verification {
  margin-top: 16px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 16px;
  background: rgba(5, 7, 11, 0.35);
}

.verification summary {
  padding: 14px 16px;
  color: #aeb4bd;
  font-size: 10px;
  font-weight: 660;
  cursor: pointer;
}

.verification[open] summary {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.hash-row {
  position: relative;
  padding: 14px 70px 14px 16px;
}

.hash-row + .hash-row {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.hash-row > span,
.hash-row code {
  display: block;
}

.hash-row > span {
  margin-bottom: 6px;
  color: #737b87;
  font-size: 8px;
}

.hash-row code {
  overflow-wrap: anywhere;
  color: #b5c3d8;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 8px;
  line-height: 1.55;
}

.hash-row button {
  position: absolute;
  top: 50%;
  right: 14px;
  min-height: 30px;
  padding: 0 9px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: #a4abb5;
  font-size: 8px;
  cursor: pointer;
  transform: translateY(-50%);
}

.faq-section {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 100px;
  padding-top: 80px;
}

.faq-heading h2 {
  font-size: clamp(38px, 4.4vw, 54px);
}

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

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

.faq-item summary {
  position: relative;
  padding: 24px 44px 24px 0;
  color: #e4e6ea;
  font-size: 15px;
  font-weight: 630;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::before,
.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 8px;
  width: 14px;
  height: 1.5px;
  border-radius: 2px;
  background: #777f8c;
  content: "";
  transition: transform 180ms ease;
}

.faq-item summary::after { transform: rotate(90deg); }
.faq-item[open] summary::after { transform: rotate(0); }

.faq-item p {
  max-width: 680px;
  margin: -4px 0 24px;
  color: #858c97;
  font-size: 13px;
  line-height: 1.65;
}

.closing {
  position: relative;
  display: flex;
  min-height: 530px;
  overflow: hidden;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-block: 40px 120px;
  padding: 70px 30px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 50% 115%, rgba(78, 61, 217, 0.64), transparent 44%),
    radial-gradient(circle at 82% 12%, rgba(33, 110, 212, 0.25), transparent 30%),
    linear-gradient(145deg, #121823, #0a0d13 65%);
  box-shadow: 0 36px 90px rgba(0, 0, 0, 0.35);
  text-align: center;
}

.closing::before,
.closing::after {
  position: absolute;
  border: 1px solid rgba(125, 178, 255, 0.11);
  border-radius: 50%;
  content: "";
}

.closing::before { width: 500px; height: 500px; bottom: -340px; }
.closing::after { width: 700px; height: 700px; bottom: -470px; }

.closing > * {
  position: relative;
  z-index: 1;
}

.closing img {
  margin-bottom: 24px;
  border-radius: 24px;
  box-shadow: 0 20px 55px rgba(43, 81, 205, 0.3);
}

.closing h2 {
  max-width: 760px;
  font-size: clamp(44px, 6vw, 70px);
}

.closing p {
  margin: 18px 0 27px;
  color: #9ea4ae;
  font-size: 15px;
}

.footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 70px;
  padding-block: 56px 28px;
  border-top: 1px solid var(--border);
}

.footer-brand p {
  margin: 15px 0 0;
  color: #717985;
  font-size: 12px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 140px);
  gap: 42px;
}

.footer-links div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.footer-links strong {
  margin-bottom: 4px;
  color: #d6d9df;
  font-size: 11px;
  font-weight: 650;
}

.footer-links a {
  color: #777f8b;
  font-size: 10px;
  text-decoration: none;
}

.footer-links a:hover { color: #fff; }

.footer-bottom {
  display: flex;
  grid-column: 1 / -1;
  justify-content: space-between;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: #5f6671;
  font-size: 9px;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 200;
  max-width: min(360px, calc(100% - 44px));
  padding: 13px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 13px;
  background: rgba(25, 29, 37, 0.94);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.42);
  color: #e5e8ed;
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 180ms ease, transform 180ms ease;
}

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

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

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 650ms ease, transform 650ms ease;
}

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

@media (max-width: 1100px) {
  .shell { width: min(100% - 40px, 1200px); }
  .hero { grid-template-columns: minmax(0, 1fr) minmax(400px, 0.8fr); gap: 20px; }
  .hero h1 { font-size: clamp(55px, 7.2vw, 76px); }
  .stage-card--call { right: 0; }
  .stage-card--security { left: 0; }
  .trust-strip { grid-template-columns: repeat(3, 1fr); }
  .trust-intro { grid-column: 1 / -1; border-right: 0 !important; border-bottom: 1px solid var(--border); }
  .trust-strip > div:first-child { min-height: auto; padding: 20px 0; }
  .security-panel { gap: 42px; padding: 52px; }
  .install-layout { gap: 42px; }
}

@media (max-width: 820px) {
  html { scroll-padding-top: 78px; }
  .section { padding-block: 100px; }
  .nav { min-height: 68px; }
  .menu-toggle { position: relative; display: inline-flex; margin-left: auto; }
  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    margin: 0;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: rgba(12, 15, 21, 0.97);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.42);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
  }
  .site-header.menu-open .site-nav { display: flex; }
  html:not(.js) .site-header { position: relative; }
  html:not(.js) .nav { flex-wrap: wrap; padding-block: 10px; }
  html:not(.js) .menu-toggle { display: none; }
  html:not(.js) .site-nav {
    position: static;
    display: flex;
    width: 100%;
    flex-flow: row wrap;
    order: 3;
    margin-top: 8px;
    padding: 4px 0 0;
    border: 0;
    background: transparent;
    box-shadow: none;
  }
  .site-nav a { min-height: 44px; padding: 12px 13px; border-radius: 10px; }
  .site-nav a:hover { background: rgba(255, 255, 255, 0.045); }
  .site-nav a::after { display: none; }
  .button--nav { margin-left: 10px; }
  .hero {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 18px;
    padding-block: 76px 86px;
    text-align: center;
  }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero h1 { max-width: 680px; }
  .hero-lead { max-width: 600px; }
  .hero-actions { justify-content: center; }
  .release-summary { justify-content: center; }
  .product-stage { min-height: 680px; }
  .stage-card--call { right: 5%; }
  .stage-card--security { left: 5%; }
  .section-heading { grid-template-columns: 1fr; gap: 24px; }
  .section-heading > p { max-width: 610px; }
  .feature-card--messages,
  .feature-card--calls,
  .feature-card--stories,
  .feature-card--access { grid-column: 1 / -1; }
  .feature-card--access { grid-template-columns: 0.78fr 1.22fr; }
  .security-section { padding-top: 70px; }
  .security-panel { grid-template-columns: 1fr; }
  .security-console { max-width: 560px; width: 100%; justify-self: center; }
  .install-layout { grid-template-columns: 1fr; }
  .install-steps { max-width: 650px; }
  .release-card { width: 100%; }
  .faq-section { grid-template-columns: 1fr; gap: 42px; padding-top: 60px; }
  .closing { margin-bottom: 90px; }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 28px, 1200px); }
  .section { padding-block: 78px; }
  .brand { font-size: 19px; }
  .brand img { width: 40px; height: 40px; }
  .button--nav { display: none; }
  .hero { padding-block: 58px 70px; }
  .hero h1 { margin-top: 20px; font-size: clamp(44px, 13vw, 60px); line-height: 1; }
  .hero-lead { font-size: 16px; }
  .hero-actions { width: 100%; }
  .hero-actions .button { width: 100%; }
  .release-summary { gap: 9px 0; }
  .release-summary > span { padding-inline: 9px; font-size: 10px; }
  .product-stage { min-height: 590px; margin-inline: -4px; }
  .phone-frame { width: min(304px, 82vw); border-radius: 44px; }
  .phone-screen { border-radius: 37px; }
  .stage-orbit--one { width: 390px; height: 390px; }
  .stage-orbit--two { width: 480px; height: 480px; }
  .stage-card--call { top: 76px; right: -3px; min-width: 188px; transform: scale(0.9); transform-origin: right center; }
  .stage-card--security { bottom: 72px; left: -3px; transform: scale(0.9); transform-origin: left center; }
  .shared-photo { height: 102px; }
  .trust-strip { grid-template-columns: 1fr; }
  .trust-strip > div { min-height: 82px; padding: 18px 0; border-right: 0; border-bottom: 1px solid var(--border); }
  .trust-strip > div:last-child { border-bottom: 0; }
  .trust-item { gap: 16px; }
  .section-heading { margin-bottom: 34px; }
  .section-heading h2,
  .security-copy h2,
  .faq-heading h2 { font-size: 39px; }
  .section-heading > p,
  .security-copy > p { font-size: 14px; }
  .bento-grid { gap: 13px; }
  .feature-card { min-height: 420px; border-radius: 24px; }
  .feature-copy { padding: 26px; }
  .feature-copy h3 { font-size: 27px; }
  .feature-card--access { display: flex; flex-direction: column-reverse; align-items: stretch; }
  .feature-card--access .feature-copy { padding-bottom: 16px; }
  .access-visual { flex: 1; min-height: 210px; }
  .cloud-preview { right: 14px; left: 14px; }
  .cloud-file { min-width: 188px; }
  .security-section { padding-top: 50px; }
  .security-panel { gap: 34px; padding: 34px 23px; border-radius: 28px; }
  .security-list li { grid-template-columns: 27px 1fr; }
  .security-console { padding: 18px; border-radius: 22px; }
  .console-score { padding: 14px; }
  .device-action { display: none; }
  .install-section { padding-top: 82px; }
  .install-step { grid-template-columns: 42px 1fr; gap: 14px; }
  .release-card { padding: 20px; border-radius: 24px; }
  .release-card__top { grid-template-columns: 58px 1fr; }
  .release-card__top img { width: 58px; height: 58px; border-radius: 16px; }
  .latest-badge { display: none; }
  .release-meta { grid-template-columns: repeat(2, 1fr); }
  .release-meta div:nth-child(2) { border-right: 0; }
  .release-meta div:nth-child(-n+2) { border-bottom: 1px solid rgba(255, 255, 255, 0.075); }
  .release-meta div:nth-child(3) { padding-left: 0; }
  .hash-row { padding: 13px 14px 47px; }
  .hash-row button { top: auto; right: 14px; bottom: 11px; transform: none; }
  .faq-section { gap: 30px; }
  .closing { min-height: 470px; margin-block: 20px 70px; padding: 54px 22px; border-radius: 28px; }
  .closing img { width: 72px; height: 72px; }
  .closing h2 { font-size: 44px; }
  .footer { grid-template-columns: 1fr; gap: 42px; padding-top: 44px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .footer-bottom { gap: 14px; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}