:root {
  color-scheme: light dark;

  --bg: #f5f5f7;
  --bg2: #ffffff;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-solid: #ffffff;
  --text: #0b0b0f;
  --muted: rgba(11, 11, 15, 0.72);
  --faint: rgba(11, 11, 15, 0.52);
  --border: rgba(11, 11, 15, 0.12);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.12);
  --shadow-soft: 0 18px 50px rgba(0, 0, 0, 0.12);
  --ring: rgba(0, 122, 255, 0.25);

  --blue: #007aff;
  --blue-pressed: #0064d2;
  --radius: 18px;
  --radius-lg: 28px;

  --container: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b0f;
    --bg2: #0f1016;
    --surface: rgba(18, 19, 27, 0.72);
    --surface-solid: #12131b;
    --text: rgba(255, 255, 255, 0.92);
    --muted: rgba(255, 255, 255, 0.7);
    --faint: rgba(255, 255, 255, 0.52);
    --border: rgba(255, 255, 255, 0.12);
    --shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
    --shadow-soft: 0 22px 60px rgba(0, 0, 0, 0.38);
    --ring: rgba(10, 132, 255, 0.3);
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Display",
    "SF Pro Text", "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 25% 0%, rgba(0, 122, 255, 0.11), transparent 60%),
    radial-gradient(800px 460px at 85% 10%, rgba(255, 214, 10, 0.14), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  color: var(--text);
  line-height: 1.5;
}

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

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  transform: translateY(-140%);
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow: var(--shadow-soft);
  z-index: 9999;
}
.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  border-bottom: 1px solid var(--border);
  background: rgba(245, 245, 247, 0.62);
}
@media (prefers-color-scheme: dark) {
  .site-header {
    background: rgba(11, 11, 15, 0.55);
  }
}

.nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
}
.brand-mark {
  border-radius: 10px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
}
.brand-name {
  font-weight: 600;
  letter-spacing: -0.02em;
}

.nav-links {
  display: none;
  justify-content: center;
  gap: 18px;
}
.nav-link {
  font-size: 14px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 12px;
  transition: background 180ms ease, color 180ms ease;
}
.nav-link:hover {
  background: rgba(127, 127, 127, 0.12);
  color: var(--text);
}

@media (min-width: 860px) {
  .nav-links {
    display: flex;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 44px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(127, 127, 127, 0.08);
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.01em;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
  transition: transform 120ms ease, background 180ms ease, border-color 180ms ease;
  user-select: none;
}
.btn:hover {
  background: rgba(127, 127, 127, 0.12);
}
.btn:active {
  transform: translateY(1px);
}
.btn:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(180deg, var(--blue), var(--blue-pressed));
  border-color: rgba(255, 255, 255, 0.22);
  color: white;
  box-shadow: 0 18px 48px rgba(0, 122, 255, 0.25);
}
.btn-primary:hover {
  filter: brightness(1.02);
}
.btn-primary[aria-disabled="true"] {
  opacity: 0.55;
  pointer-events: none;
}

.btn-secondary {
  background: rgba(127, 127, 127, 0.08);
}

.btn-small {
  height: 38px;
  padding: 0 12px;
  justify-self: end;
  font-size: 14px;
}

/* Hero */
.hero {
  position: relative;
  padding: 54px 0 28px;
}

.hero-bg {
  position: absolute;
  inset: -120px 0 auto 0;
  height: 520px;
  background: radial-gradient(600px 320px at 20% 40%, rgba(0, 122, 255, 0.14), transparent 60%),
    radial-gradient(520px 280px at 75% 20%, rgba(255, 214, 10, 0.16), transparent 62%),
    radial-gradient(700px 420px at 50% 5%, rgba(175, 82, 222, 0.12), transparent 55%);
  filter: saturate(120%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  align-items: center;
}

@media (min-width: 980px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
  }
}

.eyebrow {
  margin: 0 0 10px;
  display: inline-flex;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.hero-title {
  margin: 0 0 14px;
  font-size: clamp(40px, 5.2vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  max-width: 54ch;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.trust-row {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(127, 127, 127, 0.06);
  color: var(--muted);
  font-size: 13px;
}

/* Device frames */
.device-stack {
  position: relative;
  display: grid;
  place-items: center;
  padding: 6px 0 14px;
}

.device {
  border-radius: 32px;
  border: 1px solid rgba(127, 127, 127, 0.22);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.25));
  box-shadow: var(--shadow);
  overflow: hidden;
  transform: translateZ(0);
}

@media (prefers-color-scheme: dark) {
  .device {
    background: linear-gradient(180deg, rgba(18, 19, 27, 0.78), rgba(18, 19, 27, 0.22));
  }
}

.device img {
  width: 100%;
  height: auto;
  border-radius: 30px;
}

.device--front {
  width: min(380px, 86vw);
  transform: rotate(0.4deg);
}

.device--back {
  position: absolute;
  width: min(340px, 78vw);
  transform: translate(-24px, -18px) rotate(-3deg);
  opacity: 0.92;
  filter: saturate(0.98);
  box-shadow: var(--shadow-soft);
}

@media (min-width: 980px) {
  .device--front {
    width: 360px;
  }
  .device--back {
    width: 320px;
  }
}

.device--wide {
  border-radius: var(--radius-lg);
}
.device--wide img {
  border-radius: calc(var(--radius-lg) - 2px);
}

.device--strip {
  min-width: 260px;
  max-width: 260px;
  border-radius: 30px;
  scroll-snap-align: start;
  box-shadow: var(--shadow-soft);
}
.device--strip img {
  border-radius: 28px;
}

/* Sections */
.section {
  padding: 70px 0;
}
.section--alt {
  background: rgba(127, 127, 127, 0.045);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header {
  max-width: 70ch;
}

.section-title {
  margin: 0;
  font-size: clamp(28px, 3.2vw, 40px);
  letter-spacing: -0.03em;
  line-height: 1.12;
}
.section-subtitle {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 16px;
}

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 26px;
}
@media (min-width: 760px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}
@media (min-width: 1080px) {
  .feature-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.card {
  padding: 18px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
}
.icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(0, 122, 255, 0.12);
  color: var(--blue);
  margin-bottom: 10px;
  border: 1px solid rgba(0, 122, 255, 0.18);
}
.icon svg {
  width: 22px;
  height: 22px;
}
.card-title {
  margin: 0;
  font-size: 15px;
  letter-spacing: -0.01em;
}
.card-body {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

/* Feature highlight */
.feature-highlight {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: center;
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(127, 127, 127, 0.06), rgba(127, 127, 127, 0.02));
}
@media (min-width: 980px) {
  .feature-highlight {
    grid-template-columns: 1fr 1fr;
    padding: 22px;
    gap: 24px;
  }
}
.feature-highlight-title {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.feature-highlight-body {
  margin: 10px 0 0;
  color: var(--muted);
}
.checklist {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

/* Screens strip */
.screen-strip {
  margin-top: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: rgba(127, 127, 127, 0.03);
  overflow: hidden;
}
.screen-strip-inner {
  display: flex;
  gap: 14px;
  padding: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
}
.screen-strip-inner::-webkit-scrollbar {
  height: 10px;
}
.screen-strip-inner::-webkit-scrollbar-thumb {
  background: rgba(127, 127, 127, 0.25);
  border-radius: 999px;
}
.screen-strip-inner::-webkit-scrollbar-track {
  background: rgba(127, 127, 127, 0.08);
  border-radius: 999px;
}

/* Privacy */
.privacy-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: center;
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}
@media (min-width: 980px) {
  .privacy-panel {
    grid-template-columns: 1.05fr 0.95fr;
    padding: 22px;
    gap: 24px;
  }
}

.privacy-policy-link {
  margin: 12px 0 0;
  font-size: 15px;
}
.privacy-policy-link a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease;
}
.privacy-policy-link a:hover {
  border-bottom-color: var(--blue);
}

.privacy-cards {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}
@media (min-width: 680px) {
  .privacy-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}
.mini-card {
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(127, 127, 127, 0.06);
}
.mini-title {
  margin: 0;
  font-weight: 650;
  letter-spacing: -0.01em;
}
.mini-body {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

/* Video */
.video-card {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 340px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: radial-gradient(900px 420px at 25% 25%, rgba(0, 122, 255, 0.18), transparent 55%),
    radial-gradient(720px 420px at 80% 20%, rgba(255, 214, 10, 0.18), transparent 60%),
    linear-gradient(180deg, rgba(127, 127, 127, 0.08), rgba(127, 127, 127, 0.03));
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.video-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(900px 500px at 50% 120%, rgba(0, 0, 0, 0.12), transparent 60%);
  pointer-events: none;
}
.video-play {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  background: rgba(0, 0, 0, 0.18);
  color: white;
  font-weight: 650;
  letter-spacing: -0.01em;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
  cursor: pointer;
}
@media (prefers-color-scheme: light) {
  .video-play {
    background: rgba(255, 255, 255, 0.6);
    color: var(--text);
    border-color: var(--border);
  }
}
.video-play:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}
.video-play-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--blue), var(--blue-pressed));
  color: white;
  box-shadow: 0 14px 36px rgba(0, 122, 255, 0.28);
  font-size: 14px;
  padding-left: 2px;
}
.video-hint {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  margin: 0;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.6);
  color: var(--muted);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  font-size: 14px;
  z-index: 1;
}
@media (prefers-color-scheme: dark) {
  .video-hint {
    background: rgba(18, 19, 27, 0.6);
  }
}

/* Download */
.download {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: center;
  padding: 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(
      180deg,
      rgba(0, 122, 255, 0.12),
      rgba(0, 122, 255, 0) 55%
    ),
    var(--surface);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
@media (min-width: 900px) {
  .download {
    grid-template-columns: 1.25fr 0.75fr;
  }
}
.download-title {
  margin: 0;
  font-size: 26px;
  letter-spacing: -0.03em;
  line-height: 1.12;
}
.download-subtitle {
  margin: 10px 0 0;
  color: var(--muted);
}
.fineprint {
  margin: 12px 0 0;
  color: var(--faint);
  font-size: 13px;
}
.download-mark {
  display: grid;
  place-items: center;
}
.download-mark img {
  border-radius: 24px;
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.18);
}

/* Footer */
.footer {
  padding: 26px 0 38px;
  color: var(--muted);
}
.footer-inner {
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}
.footer-brand {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
}
.footer-name {
  color: var(--text);
  font-weight: 650;
  letter-spacing: -0.02em;
}
.footer-tag {
  font-size: 14px;
}
.footer-meta {
  margin: 0;
  font-size: 14px;
}

.footer-link {
  margin-left: 0.5em;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease, color 180ms ease;
}
.footer-link:hover {
  color: var(--text);
  border-bottom-color: var(--muted);
}

/* Video modal */
.video-modal {
  width: min(980px, calc(100vw - 32px));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0;
  background: var(--surface-solid);
  color: var(--text);
  box-shadow: var(--shadow);
}
.video-modal--short {
  width: min(400px, calc(100vw - 32px));
}
.video-modal::backdrop {
  background: rgba(0, 0, 0, 0.45);
}
.video-modal-inner {
  position: relative;
  padding: 14px;
}
.video-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(127, 127, 127, 0.08);
  color: var(--text);
  cursor: pointer;
}
.video-close:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}
.video-frame {
  border-radius: 18px;
  overflow: hidden;
  background: rgba(127, 127, 127, 0.06);
  border: 1px solid var(--border);
  aspect-ratio: 16 / 9;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-frame--short {
  aspect-ratio: 9 / 16;
  max-height: min(85vh, 720px);
  width: auto;
  max-width: 100%;
  margin: 0 auto;
}
.video-thumbnail {
  position: absolute;
  inset: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
}
.video-thumbnail:focus {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}
.video-thumbnail:focus:not(:focus-visible) {
  outline: none;
}
.video-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-thumbnail-play {
  position: absolute;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.65);
  border: 3px solid rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 28px;
  padding-left: 6px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  transition: transform 160ms ease, background 160ms ease;
}
.video-thumbnail:hover .video-thumbnail-play {
  background: rgba(0, 122, 255, 0.9);
  transform: scale(1.06);
}
.video-thumbnail-play::before {
  content: "▶";
}
.video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}
.video-frame--short iframe {
  position: absolute;
  inset: 0;
}