:root {
  --blue: #4f7cff;
  --blue-strong: #315ed8;
  --blue-deep: #173781;
  --cyan: #50c8d8;
  --ink: #172033;
  --ink-2: #536078;
  --muted: #8993a8;
  --canvas: #f6f8ff;
  --paper: #ffffff;
  --line: rgba(23, 32, 51, 0.11);
  --line-light: rgba(255, 255, 255, 0.13);
  --display: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "DM Mono", "SFMono-Regular", Consolas, monospace;
  --shadow-sm: 0 12px 30px rgba(35, 54, 98, 0.08);
  --shadow-lg: 0 28px 90px rgba(29, 43, 83, 0.18);
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--canvas);
  font-family: var(--display);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 99;
  pointer-events: none;
  content: "";
  opacity: 0.024;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.72' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

button {
  color: inherit;
  font: inherit;
}

ul {
  list-style: none;
}

section {
  scroll-margin-top: 84px;
}

::selection {
  color: #fff;
  background: var(--blue-strong);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 10px 16px;
  border-radius: 10px;
  color: #fff;
  background: var(--ink);
  transform: translateY(-150%);
}

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

.container {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 80;
  height: 76px;
  border-bottom: 1px solid transparent;
  transition: background 250ms ease, border-color 250ms ease, box-shadow 250ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(246, 248, 255, 0.88);
  box-shadow: 0 10px 40px rgba(25, 42, 82, 0.06);
  backdrop-filter: blur(18px) saturate(1.35);
}

.nav-shell {
  width: min(1180px, calc(100% - 48px));
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 42px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.brand-mark,
.download-mark {
  display: block;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  border-radius: 8px;
  object-fit: contain;
  box-shadow: 0 5px 14px rgba(79, 124, 255, 0.16);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
}

.desktop-nav a {
  position: relative;
  padding-block: 8px;
}

.desktop-nav a::after {
  position: absolute;
  right: 50%;
  bottom: 2px;
  left: 50%;
  height: 2px;
  content: "";
  border-radius: 2px;
  background: var(--blue);
  transition: inset 240ms var(--ease);
}

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after {
  right: 0;
  left: 0;
}

.nav-download {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border: 1px solid rgba(79, 124, 255, 0.2);
  border-radius: 999px;
  color: var(--blue-strong);
  background: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  font-weight: 700;
  transition: transform 220ms var(--ease), box-shadow 220ms ease;
}

.nav-download:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.menu-button,
.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  min-height: min(940px, 100vh);
  padding: 154px 0 100px;
  overflow: hidden;
  background:
    linear-gradient(rgba(79, 124, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 124, 255, 0.055) 1px, transparent 1px),
    var(--canvas);
  background-size: 52px 52px;
  background-position: center center;
}

.hero::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background: radial-gradient(circle at 50% 40%, transparent 30%, var(--canvas) 88%);
}

.hero-glow {
  position: absolute;
  z-index: 0;
  border-radius: 50%;
  filter: blur(90px);
}

.glow-a {
  top: -220px;
  right: -100px;
  width: 680px;
  height: 680px;
  background: rgba(79, 124, 255, 0.2);
}

.glow-b {
  bottom: -230px;
  left: -180px;
  width: 560px;
  height: 560px;
  background: rgba(80, 200, 216, 0.16);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: clamp(48px, 7vw, 96px);
  align-items: center;
}

.eyebrow,
.section-index {
  color: var(--muted);
  font: 500 11px/1.5 var(--mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 16px;
}

.eyebrow::before {
  width: 30px;
  height: 1px;
  content: "";
  background: var(--blue);
}

.eyebrow b {
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  margin-left: 2px;
  border: 1px solid rgba(79, 124, 255, 0.28);
  border-radius: 50%;
  color: var(--blue-strong);
  font-size: 9px;
}

.hero h1 {
  margin-top: 28px;
  font-size: clamp(58px, 6.2vw, 88px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.055em;
}

.hero h1 span,
.section-heading h2 span,
.privacy-copy h2 span,
.source-copy h2 span {
  color: transparent;
  background: linear-gradient(100deg, var(--blue-strong), #228da9);
  background-clip: text;
  -webkit-background-clip: text;
}

.hero-lead {
  max-width: 31em;
  margin-top: 28px;
  color: var(--ink-2);
  font-size: 16px;
}

.hero-actions,
.download-actions,
.source-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 13px 22px;
  border-radius: 15px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: transform 220ms var(--ease), box-shadow 220ms ease, background 220ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-3px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(120deg, #315ed8, #4f7cff);
  box-shadow: 0 16px 36px rgba(49, 94, 216, 0.3);
}

.button-primary:hover {
  box-shadow: 0 20px 44px rgba(49, 94, 216, 0.4);
}

.button i {
  font-style: normal;
  font-size: 18px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.text-link span {
  transition: transform 200ms var(--ease);
}

.text-link:hover span {
  transform: translate(2px, -2px);
}

.hero-facts {
  display: flex;
  gap: 30px;
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.hero-facts li {
  display: flex;
  flex-direction: column;
}

.hero-facts b {
  font: 500 12px/1.5 var(--mono);
  color: var(--blue-deep);
}

.hero-facts span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
}

.hero-visual {
  position: relative;
  padding: 22px 0 62px 30px;
}

.schedule-board {
  position: relative;
  z-index: 2;
  padding: 25px 22px 20px;
  border: 1px solid rgba(24, 42, 83, 0.08);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-lg);
  transform: rotate(1.2deg);
  transition: transform 600ms var(--ease);
  backdrop-filter: blur(14px);
}

.hero-visual:hover .schedule-board {
  transform: rotate(0deg) translateY(-4px);
}

.board-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.board-topbar > div {
  display: flex;
  flex-direction: column;
}

.board-kicker {
  color: var(--muted);
  font-size: 10px;
}

.board-topbar strong {
  margin-top: 1px;
  font-size: 22px;
  font-weight: 900;
}

.board-today {
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--blue-strong);
  background: #edf2ff;
  font-size: 11px;
  font-weight: 700;
}

.week-row {
  display: grid;
  grid-template-columns: 46px repeat(5, 1fr);
  gap: 7px;
  margin-bottom: 7px;
}

.week-row > span {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border-radius: 11px;
  color: var(--ink-2);
  font-size: 11px;
  font-weight: 700;
}

.week-row small {
  color: var(--muted);
  font: 400 9px/1.4 var(--mono);
}

.week-row .is-today {
  color: #fff;
  background: var(--ink);
  box-shadow: 0 8px 20px rgba(23, 32, 51, 0.2);
}

.week-row .is-today small {
  color: rgba(255, 255, 255, 0.7);
}

.schedule-grid {
  display: grid;
  grid-template-columns: 46px repeat(5, 1fr);
  grid-template-rows: repeat(4, 68px);
  gap: 7px;
}

.time {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: var(--muted);
}

.time b {
  color: var(--ink-2);
  font: 500 11px/1.2 var(--mono);
}

.time small {
  font: 400 8px/1.5 var(--mono);
}

.time-1 { grid-area: 1 / 1; }
.time-2 { grid-area: 2 / 1; }
.time-3 { grid-area: 3 / 1; }
.time-4 { grid-area: 4 / 1; }

.course {
  position: relative;
  display: flex;
  min-width: 0;
  justify-content: center;
  flex-direction: column;
  padding: 9px 8px 8px 12px;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(35, 54, 98, 0.055);
}

.course::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  content: "";
  background: currentColor;
  opacity: 0.72;
}

.course b {
  overflow: hidden;
  font-size: 10px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.course span,
.course small {
  overflow: hidden;
  font-size: 8px;
  opacity: 0.72;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.blue { color: #2047a3; background: #e8f1ff; }
.mint { color: #16606a; background: #e8f6f4; }
.peach { color: #9a4e1e; background: #fff2e8; }
.violet { color: #5d3d96; background: #f4ecff; }
.rose { color: #a03b55; background: #ffedf3; }
.sky { color: #1b5a87; background: #eaf7ff; }
.sand { color: #8b651e; background: #fcf5e5; }
.c1 { grid-area: 1 / 2 / span 2 / span 1; }
.c2 { grid-area: 1 / 3 / span 1 / span 1; }
.c3 { grid-area: 2 / 4 / span 2 / span 1; }
.c4 { grid-area: 1 / 5 / span 2 / span 1; }
.c5 { grid-area: 3 / 2 / span 2 / span 1; }
.c6 { grid-area: 3 / 3 / span 2 / span 1; }
.c7 { grid-area: 3 / 6 / span 1 / span 1; }

.next-card {
  position: absolute;
  z-index: 4;
  bottom: 8px;
  left: -4px;
  display: flex;
  width: 268px;
  align-items: flex-start;
  gap: 11px;
  padding: 16px;
  border: 1px solid rgba(49, 94, 216, 0.12);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 24px 55px rgba(28, 45, 88, 0.2);
  backdrop-filter: blur(18px);
  animation: float-card 6s ease-in-out infinite;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  margin-top: 5px;
  border-radius: 50%;
  background: #4f7cff;
  box-shadow: 0 0 0 5px rgba(79, 124, 255, 0.12);
}

.next-card > div {
  display: flex;
  flex-direction: column;
}

.next-card small {
  color: var(--blue-strong);
  font: 500 9px/1.4 var(--mono);
}

.next-card b {
  margin-top: 3px;
  font-size: 13px;
}

.next-card span:last-child {
  color: var(--muted);
  font-size: 10px;
}

.orbit-label {
  position: absolute;
  z-index: 3;
  color: var(--muted);
  font: 500 9px/1.5 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.orbit-label-top {
  top: -12px;
  right: 18px;
  writing-mode: vertical-rl;
}

.orbit-label-bottom {
  right: 8px;
  bottom: 19px;
}

@keyframes float-card {
  50% { transform: translateY(-8px) rotate(-0.5deg); }
}

.scroll-cue {
  position: absolute;
  z-index: 3;
  bottom: 25px;
  left: 50%;
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 8px;
  transform: translateX(-50%);
}

.scroll-cue span {
  color: var(--muted);
  font: 500 8px/1 var(--mono);
  letter-spacing: 0.2em;
}

.scroll-cue i {
  width: 1px;
  height: 38px;
  background: linear-gradient(var(--blue), transparent);
  animation: scroll-line 2.2s var(--ease) infinite;
}

@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

.trust-strip {
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
}

.trust-row {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 3vw, 44px);
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 600;
}

.trust-row i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--blue), var(--cyan));
}

.section {
  padding: 126px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  gap: 40px;
  margin-bottom: 72px;
}

.section-heading h2,
.privacy-copy h2,
.source-copy h2 {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.045em;
}

.section-heading > div > p,
.privacy-copy > p:not(.section-index),
.source-copy > p:not(.section-index) {
  max-width: 34em;
  margin-top: 22px;
  color: var(--ink-2);
  font-size: 15px;
}

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

.feature-row {
  position: relative;
  display: grid;
  grid-template-columns: 60px 1fr 1.1fr 80px;
  gap: 26px;
  align-items: center;
  min-height: 126px;
  padding: 26px 12px;
  border-bottom: 1px solid var(--line);
  transition: padding 360ms var(--ease), background 360ms ease;
}

.feature-row::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  opacity: 0;
  background: linear-gradient(90deg, rgba(79, 124, 255, 0.07), rgba(80, 200, 216, 0.02));
  transition: opacity 300ms ease;
}

.feature-row:hover {
  padding-inline: 22px;
}

.feature-row:hover::before {
  opacity: 1;
}

.feature-no,
.feature-tag {
  color: var(--muted);
  font: 500 10px/1.4 var(--mono);
  letter-spacing: 0.14em;
}

.feature-title {
  display: flex;
  align-items: center;
  gap: 18px;
}

.feature-title h3 {
  font-size: clamp(18px, 2vw, 23px);
  font-weight: 800;
}

.feature-row > p {
  color: var(--ink-2);
  font-size: 13px;
}

.feature-tag {
  text-align: right;
}

.mini-icon {
  position: relative;
  display: inline-grid;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 13px;
  background: #edf2ff;
}

.import-icon::before {
  width: 13px;
  height: 15px;
  content: "";
  border: 2px solid var(--blue-strong);
  border-radius: 3px;
}

.import-icon::after {
  position: absolute;
  width: 6px;
  height: 6px;
  content: "";
  border-right: 2px solid var(--blue-strong);
  border-bottom: 2px solid var(--blue-strong);
  transform: translateY(-2px) rotate(45deg);
}

.bell-icon { background: #fff1e8; }
.bell-icon::before { width: 13px; height: 14px; content: ""; border: 2px solid #9a4e1e; border-radius: 9px 9px 4px 4px; }
.bell-icon::after { position: absolute; bottom: 9px; width: 6px; height: 2px; content: ""; border-radius: 2px; background: #9a4e1e; }
.time-icon { background: #e8f6f4; }
.time-icon::before { width: 15px; height: 15px; content: ""; border: 2px solid #16606a; border-radius: 50%; }
.time-icon::after { position: absolute; width: 5px; height: 5px; content: ""; border-bottom: 2px solid #16606a; border-left: 2px solid #16606a; transform: translate(2px, -2px); }
.share-icon { background: #f4ecff; }
.share-icon::before { width: 16px; height: 16px; content: ""; background: radial-gradient(circle at 2px 8px, #5d3d96 0 2px, transparent 2.5px), radial-gradient(circle at 14px 2px, #5d3d96 0 2px, transparent 2.5px), radial-gradient(circle at 14px 14px, #5d3d96 0 2px, transparent 2.5px); }
.share-icon::after { position: absolute; width: 11px; height: 10px; content: ""; border-block: 1.5px solid #5d3d96; transform: rotate(-28deg); }

.gallery {
  position: relative;
  padding: 130px 0 150px;
  overflow: hidden;
  color: #edf2ff;
  background:
    radial-gradient(800px 500px at 50% 0%, rgba(79, 124, 255, 0.2), transparent 70%),
    radial-gradient(600px 450px at 100% 90%, rgba(80, 200, 216, 0.12), transparent 70%),
    #111526;
}

.gallery-noise {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
}

.gallery .container {
  position: relative;
}

.gallery-heading {
  width: min(650px, 100%);
  margin-bottom: 94px;
}

.gallery .section-index {
  color: #7d88a8;
}

.gallery-heading h2 {
  margin-top: 24px;
  font-size: clamp(42px, 5vw, 68px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.045em;
}

.gallery-heading > p:last-child {
  max-width: 35em;
  margin-top: 22px;
  color: #aeb8d1;
  font-size: 15px;
}

.phones {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: clamp(28px, 5vw, 72px);
}

.phone-exhibit {
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 30px;
}

.phone-shell {
  width: 292px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 46px;
  background: linear-gradient(150deg, #394065, #090c19 60%);
  box-shadow: 0 45px 90px rgba(0, 0, 0, 0.5), inset 0 1px rgba(255, 255, 255, 0.25);
  transition: transform 500ms var(--ease);
}

.phone-light .phone-shell { transform: rotate(-3deg) translateY(16px); }
.phone-dark .phone-shell { transform: rotate(3deg); }
.phone-exhibit:hover .phone-shell { transform: rotate(0) translateY(-8px); }

.phone-screen {
  position: relative;
  display: flex;
  height: 596px;
  overflow: hidden;
  flex-direction: column;
  border-radius: 37px;
  color: var(--ink);
  background: #f7f8fc;
}

.phone-screen::before {
  position: absolute;
  top: 11px;
  left: 50%;
  z-index: 2;
  width: 10px;
  height: 10px;
  content: "";
  border-radius: 50%;
  background: #10131e;
  transform: translateX(-50%);
}

.status-bar {
  display: flex;
  min-height: 31px;
  align-items: center;
  justify-content: space-between;
  padding: 8px 18px 0;
  font: 500 9px/1 var(--mono);
}

.status-bar span {
  font-size: 6px;
  letter-spacing: 2px;
}

.phone-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 10px 15px 8px;
}

.phone-date {
  color: var(--muted);
  font-size: 9px;
}

.phone-content > h3 {
  margin-top: 1px;
  font-size: 24px;
  font-weight: 900;
}

.countdown-card {
  display: flex;
  flex-direction: column;
  margin-top: 10px;
  padding: 16px;
  border-radius: 20px;
  color: #fff;
  background: linear-gradient(135deg, #4f7cff, #315ed8 55%, #278fae 130%);
  box-shadow: 0 14px 28px rgba(49, 94, 216, 0.28);
}

.countdown-card small {
  font: 500 8px/1.4 var(--mono);
  letter-spacing: 0.12em;
  opacity: 0.78;
}

.countdown-card b {
  margin-top: 5px;
  font-size: 14px;
}

.countdown-card span {
  margin-top: 8px;
  font-size: 10px;
}

.countdown-card strong {
  margin-inline: 2px;
  font: 500 23px/1 var(--mono);
}

.countdown-card em {
  margin-top: 4px;
  font-style: normal;
  font-size: 9px;
  opacity: 0.74;
}

.day-caption,
.settings-label {
  margin: 13px 2px 7px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
}

.today-course {
  position: relative;
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 7px;
  padding: 10px 10px 10px 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fff;
}

.today-course::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  content: "";
}

.tc-blue::before { background: #3c4d9f; }
.tc-green::before { background: #2b6c36; }
.tc-peach::before { background: #9a4e1e; }
.today-course time { min-width: 39px; color: var(--ink); font: 500 9px/1.4 var(--mono); text-align: right; }
.today-course time small { color: var(--muted); font-size: 8px; }
.today-course > div { display: flex; min-width: 0; flex-direction: column; }
.today-course b { overflow: hidden; font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.today-course span { color: var(--muted); font-size: 8px; }

.phone-nav {
  display: flex;
  min-height: 59px;
  align-items: center;
  justify-content: space-around;
  padding-bottom: 4px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.9);
  font-size: 15px;
}

.phone-nav > * {
  display: flex;
  align-items: center;
  flex-direction: column;
  font-weight: 500;
}

.phone-nav b { color: var(--blue-strong); }
.phone-nav small { margin-top: 1px; font-size: 7px; }

.phone-dark .phone-screen {
  color: #e5e7eb;
  background: #111426;
}

.phone-dark .phone-screen::before { background: #05060d; }
.phone-dark .phone-date,
.phone-dark .settings-label { color: #7f899f; }
.settings-content { padding-top: 11px; }
.settings-label { margin-top: 16px; }
.setting-card { overflow: hidden; border: 1px solid #30384c; border-radius: 16px; background: #1e2130; }
.setting-card > div { display: flex; min-height: 58px; align-items: center; gap: 10px; padding: 9px 12px; }
.setting-card > div + div { border-top: 1px solid #30384c; }
.setting-dot { display: grid; width: 29px; height: 29px; flex: 0 0 auto; place-items: center; border-radius: 9px; font-style: normal; font-size: 12px; }
.sd-blue { color: #bcd1ff; background: #233b6f; }
.sd-cyan { color: #aee6ea; background: #19444b; }
.sd-violet { color: #d7c8ff; background: #40325d; }
.sd-green { color: #bfe8c6; background: #28472f; }
.sd-peach { color: #ffc9a8; background: #503426; }
.setting-card span { display: flex; min-width: 0; flex: 1; flex-direction: column; }
.setting-card b { font-size: 10px; }
.setting-card small { color: #8e97aa; font-size: 8px; }
.setting-card em { color: #8e97aa; font-style: normal; }
.switch { position: relative; width: 28px; height: 17px; border-radius: 99px; background: #444b5b; }
.switch::after { position: absolute; top: 3px; left: 3px; width: 11px; height: 11px; content: ""; border-radius: 50%; background: #a4abba; transition: transform 200ms ease; }
.switch.on { background: #4f7cff; }
.switch.on::after { background: #fff; transform: translateX(11px); }
.privacy-pill { display: flex; align-items: center; gap: 10px; margin-top: auto; padding: 11px 12px; border: 1px solid rgba(174, 230, 234, 0.14); border-radius: 15px; background: rgba(26, 76, 85, 0.28); }
.privacy-pill i { width: 8px; height: 8px; flex: 0 0 auto; border-radius: 50%; background: #7cd5df; box-shadow: 0 0 0 5px rgba(124, 213, 223, 0.08); }
.privacy-pill span { display: flex; flex-direction: column; }
.privacy-pill b { color: #cbeff2; font-size: 9px; }
.privacy-pill small { color: #809da2; font-size: 7px; }
.phone-dark .phone-nav { border-color: #2b3046; color: #7f899f; background: #171a28; }
.phone-dark .phone-nav b { color: #acc6ff; }

.exhibit-caption {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 12px;
  align-items: center;
  width: 100%;
  padding-top: 13px;
  border-top: 1px solid var(--line-light);
}

.exhibit-caption b { grid-row: span 2; color: var(--cyan); font: 500 11px/1 var(--mono); }
.exhibit-caption span { font-size: 13px; font-weight: 700; }
.exhibit-caption small { color: #727d9e; font: 400 8px/1.5 var(--mono); letter-spacing: 0.12em; }

.widget-exhibit {
  width: 230px;
  margin-bottom: 72px;
  padding: 20px;
  border: 1px solid var(--line-light);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.32);
  transform: rotate(2deg);
  backdrop-filter: blur(12px);
}

.widget-exhibit > p { color: #7d88a8; font: 500 9px/1.4 var(--mono); letter-spacing: 0.12em; }
.widget-exhibit h3 { margin: 5px 0 12px; font-size: 17px; }
.widget-exhibit li { display: grid; grid-template-columns: 8px 1fr auto; gap: 8px; align-items: center; padding-block: 7px; color: #c4cce0; font-size: 10px; }
.widget-exhibit li i { width: 8px; height: 8px; border-radius: 3px; }
.widget-exhibit li span { color: #7d88a8; font: 400 8px/1 var(--mono); }
.wd-blue { background: #91a7ef; }
.wd-green { background: #82bd8a; }
.wd-peach { background: #d9956f; }
.widget-exhibit > small { display: block; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line-light); color: #7d88a8; font-size: 8px; }

.statement {
  padding: 132px 0;
  overflow: hidden;
  background: #fff;
}

.statement .container {
  position: relative;
}

.statement p {
  color: var(--muted);
  font: 500 10px/1.5 var(--mono);
  letter-spacing: 0.2em;
}

.statement blockquote {
  margin-top: 24px;
  font-size: clamp(44px, 7vw, 86px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.05em;
}

.statement blockquote span {
  position: relative;
  color: var(--blue-strong);
}

.statement blockquote span::after {
  position: absolute;
  right: -18px;
  bottom: 2px;
  left: -8px;
  height: 13px;
  z-index: -1;
  content: "";
  background: rgba(80, 200, 216, 0.25);
  transform: rotate(-1deg);
}

.privacy {
  background: #f1f5ff;
}

.privacy-grid,
.source-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(60px, 9vw, 130px);
  align-items: center;
}

.privacy-copy h2,
.source-copy h2 {
  margin-top: 24px;
}

.privacy-copy .text-link {
  margin-top: 24px;
}

.privacy-principles {
  border-top: 1px solid var(--line);
}

.privacy-principles article {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 20px;
  padding: 28px 4px;
  border-bottom: 1px solid var(--line);
}

.privacy-principles article > span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 11px;
  color: var(--blue-strong);
  background: #fff;
  font: 500 10px/1 var(--mono);
  box-shadow: var(--shadow-sm);
}

.privacy-principles h3 {
  font-size: 17px;
  font-weight: 800;
}

.privacy-principles p {
  margin-top: 5px;
  color: var(--ink-2);
  font-size: 13px;
}

.open-source {
  padding: 128px 0;
  background: #fff;
}

.source-grid {
  grid-template-columns: 1.05fr 0.95fr;
}

.source-card {
  overflow: hidden;
  border: 1px solid #2d3348;
  border-radius: 25px;
  color: #bdc6dc;
  background: #141827;
  box-shadow: 0 32px 76px rgba(23, 32, 51, 0.2);
  transform: rotate(-1deg);
}

.source-top {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 13px 17px;
  border-bottom: 1px solid #2d3348;
  background: #1b2032;
}

.source-dots {
  display: flex;
  gap: 6px;
}

.source-dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #546078;
}

.source-dots i:first-child { background: #ff7b79; }
.source-dots i:nth-child(2) { background: #f7c96c; }
.source-dots i:last-child { background: #6fd39a; }
.source-top small { color: #78839d; font: 400 9px/1 var(--mono); }
.source-card pre { padding: 38px 36px 42px; white-space: pre-wrap; }
.source-card code { font: 400 13px/2 var(--mono); }
.source-card code span { color: #aebfff; font-weight: 500; }
.source-card code b { color: #80d6de; font-weight: 500; }
.button-dark { color: #fff; background: var(--ink); box-shadow: 0 15px 34px rgba(23, 32, 51, 0.2); }
.source-actions > span { color: var(--muted); font: 500 9px/1.4 var(--mono); letter-spacing: 0.13em; }

.download {
  padding: 0 0 96px;
  background: #fff;
}

.download-card {
  position: relative;
  display: flex;
  min-height: 560px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-direction: column;
  border-radius: 36px;
  color: #fff;
  text-align: center;
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(135deg, #203c9a, #416ef2 52%, #238eaa);
  background-size: 54px 54px, 54px 54px, auto;
  box-shadow: 0 32px 80px rgba(49, 94, 216, 0.25);
}

.download-glow {
  position: absolute;
  top: -240px;
  left: 50%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  filter: blur(50px);
  transform: translateX(-50%);
}

.download-card > *:not(.download-glow) {
  position: relative;
}

.download-mark {
  width: 58px;
  height: 58px;
  margin-bottom: 22px;
  border-radius: 19px;
  background: #fff;
  object-fit: contain;
  box-shadow: 0 18px 40px rgba(17, 29, 77, 0.24);
}
.download-card > p { font: 500 9px/1.5 var(--mono); letter-spacing: 0.19em; opacity: 0.72; }
.download-card h2 { margin-top: 18px; font-size: clamp(44px, 6vw, 72px); font-weight: 900; line-height: 1.13; letter-spacing: -0.05em; }
.download-card > span { margin-top: 18px; color: rgba(255, 255, 255, 0.78); font-size: 14px; }
.download-actions { justify-content: center; margin-top: 30px; }
.button-white { color: var(--blue-deep); background: #fff; box-shadow: 0 16px 38px rgba(14, 29, 86, 0.24); }
.download-source { padding: 12px 2px; border-bottom: 1px solid rgba(255, 255, 255, 0.6); font-size: 13px; font-weight: 700; }
.download-source i { font-style: normal; }
.download-card > small { margin-top: 32px; color: rgba(255, 255, 255, 0.55); font-size: 9px; }

footer {
  padding: 20px 0 48px;
  background: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px 60px;
  align-items: start;
  padding-top: 42px;
  border-top: 1px solid var(--line);
}

.footer-brand { font-size: 18px; }
.footer-grid > div:first-child > p { margin-top: 10px; color: var(--muted); font-size: 12px; }
.footer-grid nav { display: flex; gap: 26px; color: var(--ink-2); font-size: 12px; font-weight: 600; }
.footer-meta { grid-column: 1 / -1; display: flex; justify-content: space-between; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font: 400 9px/1.5 var(--mono); letter-spacing: 0.06em; }

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

.reveal-delay {
  transition-delay: 120ms;
}

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

@media (max-width: 1020px) {
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 650px; }
  .hero-visual { width: min(700px, 100%); margin-inline: auto; }
  .phones { flex-wrap: wrap; }
  .widget-exhibit { width: min(390px, 100%); margin: 30px auto 0; }
  .privacy-grid,
  .source-grid { gap: 60px; }
}

@media (max-width: 820px) {
  .desktop-nav { gap: 20px; }
  .nav-download { display: none; }
  .section-heading,
  .privacy-grid,
  .source-grid { grid-template-columns: 1fr; }
  .section-heading { gap: 24px; }
  .feature-row { grid-template-columns: 48px 1fr; gap: 12px 18px; padding-block: 24px; }
  .feature-row > p { grid-column: 2; }
  .feature-tag { display: none; }
  .source-card { order: 2; }
  .source-copy { order: 1; }
}

@media (max-width: 760px) {
  .container,
  .nav-shell { width: min(100% - 32px, 1180px); }
  .site-header { height: 68px; }
  .desktop-nav { display: none; }
  .menu-button {
    position: relative;
    display: block;
    width: 42px;
    height: 42px;
    margin-left: auto;
    border: 0;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.76);
    cursor: pointer;
  }
  .menu-button span { position: absolute; left: 11px; width: 20px; height: 2px; border-radius: 2px; background: var(--ink); transition: transform 220ms var(--ease), top 220ms ease; }
  .menu-button span:first-child { top: 16px; }
  .menu-button span:last-child { top: 24px; }
  .menu-button.is-open span:first-child { top: 20px; transform: rotate(45deg); }
  .menu-button.is-open span:last-child { top: 20px; transform: rotate(-45deg); }
  .mobile-nav {
    position: fixed;
    top: 68px;
    right: 0;
    left: 0;
    display: flex;
    padding: 12px 16px 22px;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    background: rgba(246, 248, 255, 0.97);
    box-shadow: 0 20px 50px rgba(25, 42, 82, 0.1);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 220ms ease, transform 220ms var(--ease);
    backdrop-filter: blur(18px);
  }
  .mobile-nav.is-open { opacity: 1; pointer-events: auto; transform: none; }
  .mobile-nav a { padding: 12px 6px; border-bottom: 1px solid var(--line); font-size: 15px; font-weight: 700; }
  .mobile-nav a:last-child { margin-top: 10px; border: 0; border-radius: 12px; color: #fff; text-align: center; background: var(--blue-strong); }
  .hero { padding: 125px 0 90px; }
  .hero h1 { font-size: clamp(52px, 15vw, 72px); }
  .hero-facts { gap: 20px; }
  .hero-visual { padding-left: 0; }
  .schedule-board { padding-inline: 14px; border-radius: 25px; }
  .course { padding-left: 8px; }
  .course b { font-size: 8px; }
  .course span,
  .course small { display: none; }
  .next-card { left: -4px; }
  .trust-row { min-height: 92px; flex-wrap: wrap; gap: 8px 16px; padding-block: 18px; }
  .trust-row span { flex: 1 1 42%; text-align: center; }
  .trust-row i { display: none; }
  .section { padding-block: 96px; }
  .section-heading { margin-bottom: 50px; }
  .section-heading h2,
  .privacy-copy h2,
  .source-copy h2 { font-size: clamp(38px, 11vw, 54px); }
  .gallery { padding-block: 96px 110px; }
  .gallery-heading { margin-bottom: 65px; }
  .phones { flex-direction: column; align-items: center; }
  .phone-light .phone-shell,
  .phone-dark .phone-shell { transform: none; }
  .widget-exhibit { width: 292px; margin-top: 24px; }
  .statement { padding-block: 96px; }
  .statement blockquote { font-size: clamp(42px, 12vw, 66px); }
  .open-source { padding-block: 96px; }
  .download { padding: 0 0 72px; }
  .download-card { min-height: 530px; border-radius: 28px; padding: 48px 20px; }
  .download-card h2 { font-size: clamp(44px, 13vw, 64px); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid nav { grid-row: 2; flex-wrap: wrap; }
  .footer-meta { grid-row: 3; flex-direction: column; gap: 8px; }
}

@media (max-width: 460px) {
  .brand { font-size: 18px; }
  .eyebrow b { display: none; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-facts { justify-content: space-between; }
  .hero-facts li { flex: 1; }
  .hero-visual { margin-top: 12px; }
  .board-today { display: none; }
  .week-row { grid-template-columns: 35px repeat(5, 1fr); gap: 4px; }
  .schedule-grid { grid-template-columns: 35px repeat(5, 1fr); grid-template-rows: repeat(4, 57px); gap: 4px; }
  .course { border-radius: 8px; }
  .next-card { width: 238px; }
  .orbit-label { display: none; }
  .feature-row { grid-template-columns: 34px 1fr; }
  .feature-title { gap: 12px; }
  .mini-icon { width: 36px; height: 36px; }
  .phone-shell { width: 282px; }
  .source-card pre { padding-inline: 22px; }
  .source-card code { font-size: 11px; }
  .download-actions { align-items: center; flex-direction: column; }
}

@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; }
}

/* ==========================================================
   Elegant refinement — quieter surfaces, stronger hierarchy
   ========================================================== */
:root {
  --blue: #3978f6;
  --blue-strong: #245fd3;
  --blue-deep: #173b80;
  --cyan: #31acd8;
  --ink: #131a2a;
  --ink-2: #566176;
  --muted: #8b94a7;
  --canvas: #f8f9fc;
  --paper: #ffffff;
  --line: rgba(19, 26, 42, 0.095);
  --display-serif: "Noto Serif SC", "Songti SC", SimSun, serif;
  --shadow-sm: 0 10px 30px rgba(26, 43, 78, 0.055);
  --shadow-lg: 0 30px 90px rgba(24, 39, 72, 0.12);
}

body {
  background: var(--canvas);
}

body::before {
  opacity: 0.012;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(57, 120, 246, 0.26);
  outline-offset: 4px;
}

.site-header {
  height: 72px;
}

.site-header.is-scrolled {
  background: rgba(248, 249, 252, 0.9);
  box-shadow: 0 12px 40px rgba(25, 40, 72, 0.045);
}

.nav-shell {
  gap: 48px;
}

.brand {
  gap: 12px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.015em;
}

.brand-mark {
  border-radius: 0;
  box-shadow: none;
  transform: scale(1.7);
}

.desktop-nav {
  gap: 34px;
  font-size: 13px;
  font-weight: 500;
}

.nav-download {
  border-color: rgba(57, 120, 246, 0.13);
  color: #1e55bb;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 8px 24px rgba(35, 73, 145, 0.055);
}

.hero {
  min-height: 860px;
  padding: 166px 0 112px;
  background:
    radial-gradient(700px 520px at 79% 25%, rgba(92, 154, 255, 0.13), transparent 72%),
    radial-gradient(540px 420px at 8% 85%, rgba(74, 196, 219, 0.08), transparent 74%),
    var(--canvas);
}

.hero::after {
  display: none;
}

.hero-glow {
  display: none;
}

.hero-grid {
  grid-template-columns: 0.88fr 1.12fr;
  gap: clamp(64px, 8vw, 112px);
}

.eyebrow,
.section-index {
  letter-spacing: 0.17em;
}

.eyebrow b {
  display: none;
}

.hero h1,
.section-heading h2,
.gallery-heading h2,
.statement blockquote,
.privacy-copy h2,
.source-copy h2,
.download-card h2 {
  font-family: var(--display-serif);
  font-weight: 700;
  letter-spacing: -0.045em;
}

.hero h1 {
  margin-top: 34px;
  font-size: clamp(62px, 6.3vw, 88px);
  line-height: 1.13;
}

.hero-lead {
  max-width: 30em;
  margin-top: 32px;
  color: #606a7d;
  font-size: 15px;
  line-height: 1.9;
}

.hero-actions {
  margin-top: 40px;
}

.button {
  min-height: 54px;
  padding-inline: 24px;
  border-radius: 14px;
}

.button-primary {
  background: #1b2742;
  box-shadow: 0 14px 32px rgba(20, 31, 55, 0.18);
}

.button-primary:hover {
  background: #245fd3;
  box-shadow: 0 18px 38px rgba(36, 95, 211, 0.24);
}

.text-link {
  border-bottom-color: rgba(19, 26, 42, 0.3);
  font-weight: 600;
}

.hero-facts {
  margin-top: 46px;
  padding-top: 26px;
}

.hero-facts b {
  color: #293650;
}

.hero-visual {
  padding: 4px 0 56px 20px;
}

.schedule-board {
  padding: 26px 24px 22px;
  border-color: rgba(26, 42, 75, 0.08);
  border-radius: 28px;
  box-shadow: 0 32px 90px rgba(29, 47, 86, 0.13);
  transform: none;
}

.hero-visual:hover .schedule-board {
  transform: translateY(-3px);
}

.board-topbar {
  margin-bottom: 20px;
}

.board-topbar strong {
  font-size: 21px;
  font-weight: 800;
}

.board-today {
  color: #235abb;
  background: #f0f4fc;
}

.week-row .is-today {
  background: #1b2742;
  box-shadow: none;
}

.course {
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: none;
}

.next-card {
  bottom: 4px;
  left: -8px;
  padding: 17px 18px;
  border-color: rgba(28, 60, 124, 0.09);
  border-radius: 18px;
  box-shadow: 0 22px 55px rgba(28, 44, 82, 0.15);
  animation: none;
}

.orbit-label {
  opacity: 0.65;
}

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

.scroll-cue {
  opacity: 0.6;
}

.trust-strip {
  background: #fff;
}

.trust-row {
  min-height: 72px;
  color: #697386;
  font-size: 12px;
  font-weight: 500;
}

.section {
  padding: 142px 0;
}

.section-heading {
  margin-bottom: 78px;
}

.section-heading h2,
.privacy-copy h2,
.source-copy h2 {
  line-height: 1.25;
}

.section-heading > div > p,
.privacy-copy > p:not(.section-index),
.source-copy > p:not(.section-index) {
  margin-top: 26px;
  color: #687286;
  line-height: 1.9;
}

.feature-list {
  border-top-color: rgba(19, 26, 42, 0.08);
}

.feature-row {
  min-height: 134px;
  padding: 30px 14px;
  border-bottom-color: rgba(19, 26, 42, 0.08);
}

.feature-row:hover {
  padding-inline: 14px;
}

.feature-row::before {
  border-radius: 20px;
  background: linear-gradient(90deg, rgba(57, 120, 246, 0.045), rgba(49, 172, 216, 0.018));
}

.feature-title h3 {
  font-weight: 700;
}

.feature-row > p {
  color: #697386;
  line-height: 1.85;
}

.mini-icon {
  background: rgba(57, 120, 246, 0.07);
}

.gallery {
  padding: 146px 0 160px;
  background:
    radial-gradient(760px 520px at 50% -10%, rgba(70, 125, 238, 0.16), transparent 72%),
    #0d1424;
}

.gallery-noise {
  opacity: 0.16;
  background-size: 80px 80px;
}

.gallery-heading {
  margin-bottom: 104px;
}

.gallery-heading > p:last-child {
  color: #9ea9bf;
  line-height: 1.9;
}

.phones {
  gap: clamp(36px, 5vw, 70px);
}

.phone-shell {
  border-color: rgba(255, 255, 255, 0.1);
  background: #0a0e1b;
  box-shadow: 0 42px 90px rgba(0, 0, 0, 0.42), inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.phone-light .phone-shell,
.phone-dark .phone-shell,
.phone-exhibit:hover .phone-shell {
  transform: none;
}

.widget-exhibit {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.045);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.25);
  transform: none;
}

.statement {
  padding: 148px 0;
}

.statement blockquote {
  line-height: 1.24;
}

.statement blockquote span::after {
  right: -10px;
  bottom: 4px;
  left: -4px;
  height: 9px;
  background: rgba(49, 172, 216, 0.18);
  transform: none;
}

.privacy {
  background: #f4f6fa;
}

.privacy-principles article {
  padding-block: 31px;
}

.privacy-principles article > span {
  box-shadow: 0 8px 24px rgba(28, 48, 86, 0.05);
}

.open-source {
  padding: 142px 0;
}

.source-card {
  border-color: #242c3d;
  border-radius: 22px;
  background: #101725;
  box-shadow: 0 28px 70px rgba(20, 28, 45, 0.15);
  transform: none;
}

.source-top {
  border-bottom-color: #283144;
  background: #171e2d;
}

.button-dark {
  background: #1b2742;
  box-shadow: 0 14px 30px rgba(23, 33, 55, 0.16);
}

.download {
  padding-bottom: 104px;
}

.download-card {
  min-height: 545px;
  border-radius: 30px;
  background:
    radial-gradient(600px 380px at 50% 0%, rgba(91, 153, 255, 0.25), transparent 72%),
    linear-gradient(135deg, #142748, #183b73 58%, #16667f);
  box-shadow: 0 30px 74px rgba(29, 59, 117, 0.18);
}

.download-mark {
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transform: scale(1.62);
}

.download-card > span {
  color: rgba(255, 255, 255, 0.72);
}

.button-white {
  box-shadow: 0 14px 30px rgba(8, 21, 48, 0.16);
}

.reveal {
  transform: translateY(16px);
  transition-duration: 620ms;
}

@media (max-width: 1020px) {
  .hero {
    min-height: auto;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 76px;
  }

  .hero-copy,
  .hero-visual {
    width: 100%;
    min-width: 0;
  }

  .hero-copy {
    max-width: 680px;
  }

  .hero-visual {
    max-width: 680px;
    margin-inline: auto;
  }
}

@media (max-width: 760px) {
  .site-header {
    height: 68px;
  }

  .hero {
    padding: 126px 0 92px;
  }

  .hero h1 {
    max-width: 8em;
    font-size: clamp(48px, 13vw, 64px);
    line-height: 1.18;
    word-break: keep-all;
    text-wrap: balance;
  }

  .hero-lead {
    max-width: 36em;
    font-size: 14px;
  }

  .hero-visual {
    max-width: 620px;
    padding: 0;
  }

  .schedule-board {
    width: 100%;
    min-width: 0;
  }

  .next-card {
    position: relative;
    bottom: auto;
    left: auto;
    width: calc(100% - 28px);
    margin: -18px auto 0;
  }

  .orbit-label-bottom,
  .scroll-cue {
    display: none;
  }

  .section,
  .gallery,
  .statement,
  .open-source {
    padding-block: 104px;
  }

  .download-card {
    border-radius: 24px;
  }
}

@media (max-width: 460px) {
  .hero-grid {
    gap: 58px;
  }

  .hero h1 {
    font-size: clamp(44px, 13.5vw, 58px);
  }

  .hero-facts {
    gap: 12px;
  }

  .schedule-board {
    padding: 20px 11px 16px;
    border-radius: 22px;
  }

  .board-topbar {
    padding-inline: 4px;
  }

  .next-card {
    width: calc(100% - 20px);
  }
}