:root {
  color-scheme: dark;
  --font-sans: "Geist", system-ui, sans-serif;
  --font-serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius-xs: 12px;
  --radius-sm: 18px;
  --radius-md: 24px;
  --radius-lg: 32px;
  --shadow-sm: 0 12px 28px rgba(4, 8, 17, 0.18);
  --shadow-lg: 0 30px 70px rgba(2, 6, 14, 0.38);
  --bg: #071019;
  --bg-accent: rgba(64, 171, 217, 0.16);
  --surface: rgba(12, 19, 31, 0.88);
  --surface-strong: rgba(16, 25, 40, 0.96);
  --surface-soft: rgba(20, 31, 48, 0.78);
  --surface-muted: rgba(255, 255, 255, 0.04);
  --line: rgba(200, 216, 236, 0.12);
  --line-strong: rgba(132, 178, 214, 0.2);
  --text: #f4f7fb;
  --text-soft: #a5b1c2;
  --text-muted: #6f7a8d;
  --accent: #7ac6ec;
  --accent-strong: #44a7d9;
  --accent-soft: rgba(122, 198, 236, 0.14);
  --focus: #9ed8ff;
  --hero-glow: radial-gradient(circle at top, rgba(92, 173, 218, 0.18), transparent 46%);
  --page-width: 1120px;
  --header-width: 920px;
  --brand-accent: color-mix(in srgb, var(--accent) 78%, white 22%);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f1ea;
  --bg-accent: rgba(51, 127, 168, 0.1);
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: rgba(255, 255, 255, 0.96);
  --surface-soft: rgba(247, 243, 236, 0.92);
  --surface-muted: rgba(8, 20, 35, 0.04);
  --line: rgba(34, 53, 74, 0.12);
  --line-strong: rgba(52, 98, 136, 0.18);
  --text: #16202c;
  --text-soft: #4d5c6d;
  --text-muted: #6d7785;
  --accent: #0f78b4;
  --accent-strong: #0b6799;
  --accent-soft: rgba(15, 120, 180, 0.1);
  --focus: #0b6799;
  --hero-glow: radial-gradient(circle at top, rgba(83, 147, 183, 0.12), transparent 46%);
  --shadow-sm: 0 14px 34px rgba(20, 32, 47, 0.08);
  --shadow-lg: 0 28px 80px rgba(20, 32, 47, 0.12);
  --brand-accent: color-mix(in srgb, var(--accent) 84%, white 16%);
}

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

html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    var(--hero-glow),
    radial-gradient(circle at 100% 0, rgba(127, 154, 201, 0.08), transparent 28%),
    linear-gradient(180deg, var(--bg) 0%, color-mix(in srgb, var(--bg) 92%, black 8%) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.06;
  background-image:
    linear-gradient(transparent 96%, rgba(255, 255, 255, 0.04) 100%),
    radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.06) 1px, transparent 0);
  background-size: 100% 4px, 22px 22px;
}

a {
  color: inherit;
}

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

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

button {
  font: inherit;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  color: color-mix(in srgb, var(--accent-strong) 88%, var(--text) 12%);
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.site-header {
  position: relative;
  z-index: 40;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  background: transparent;
  border-bottom: 0;
}

.header-inner,
.page-main,
.site-footer {
  width: min(var(--page-width), calc(100% - 2rem));
  margin: 0 auto;
}

.header-inner {
  padding: 0.55rem 0;
  width: min(var(--header-width), calc(100% - 2rem));
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  min-width: 0;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  box-shadow: 0 0 0 1px var(--line), 0 14px 28px rgba(36, 82, 122, 0.16);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.brand-name {
  font-size: 0.96rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.brand-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.header-nav,
.header-actions,
.footer-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-actions {
  flex-shrink: 0;
}

.nav-link,
.theme-toggle,
.footer-links a,
.support-link {
  text-decoration: none;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease;
}

.nav-link,
.theme-toggle {
  height: 40px;
  color: var(--text-soft);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0;
  border: 0;
  background: transparent;
}

.nav-link[aria-current="page"] {
  color: var(--accent-strong);
}

.nav-link:hover,
.theme-toggle:hover,
.footer-links a:hover,
.support-link:hover {
  color: var(--text);
  background: transparent;
}

.theme-toggle {
  min-width: 40px;
  width: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
}

.theme-toggle-icon {
  width: 18px;
  height: 18px;
}

.theme-toggle[data-theme-state] {
  width: 40px;
  padding: 0;
}

.page-main {
  padding: clamp(2.75rem, 5vw, 4.5rem) 0 5rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  margin-bottom: clamp(3rem, 7vw, 5rem);
}

.hero--stacked {
  display: block;
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
}

.hero-copy {
  max-width: 620px;
  margin-inline: auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-brand {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-mark-large {
  width: clamp(72px, 10vw, 96px);
  height: clamp(72px, 10vw, 96px);
  border-radius: 24px;
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.24);
}

.hero-title,
.section-title,
.page-title {
  margin: 1rem 0 0;
  letter-spacing: -0.045em;
  line-height: 0.94;
  font-weight: 650;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 5.8rem);
  max-width: 12ch;
}

.hero-title--brand {
  margin-top: 1.1rem;
  font-size: clamp(4.5rem, 12vw, 7.8rem);
  max-width: none;
}

.hero-lead,
.page-lead {
  margin: 1.2rem 0 0;
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.9vw, 2.1rem);
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: color-mix(in srgb, var(--text) 90%, var(--accent) 10%);
}

.hero-lead--tagline {
  max-width: none;
  font-size: clamp(1.5rem, 3.2vw, 2.45rem);
}

.hero-body,
.section-copy,
.page-copy,
.caption,
.metric-card p,
.card p,
.faq-item p,
.policy-card p,
.policy-card li,
.footer-meta,
.fine-print {
  color: var(--text-soft);
  line-height: 1.65;
}

.hero-body,
.page-copy,
.section-copy {
  margin: 1rem 0 0;
  font-size: 1rem;
  max-width: 62ch;
}

.hero--stacked .hero-body {
  margin-inline: auto;
}

.cta-row {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  width: fit-content;
  margin-inline: auto;
}

.hero--stacked .cta-row {
  justify-content: center;
  align-items: center;
}

.store-badge-link,
.browser-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: color-mix(in srgb, var(--surface-strong) 86%, transparent 14%);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition:
    transform 0.25s var(--ease),
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}

.metric-label,
.card-kicker,
.policy-meta,
.faq-kicker {
  display: block;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.store-badge-link:hover,
.browser-link:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: color-mix(in srgb, var(--surface-soft) 88%, transparent 12%);
  box-shadow: var(--shadow-lg);
}

.store-badge-image {
  display: block;
  height: auto;
  width: 168px;
}

.browser-link {
  gap: 0.7rem;
  color: var(--text-soft);
  font-size: 0.95rem;
  font-weight: 550;
  letter-spacing: -0.015em;
}

.browser-link__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.support-row {
  margin-top: 1rem;
  font-size: 0.92rem;
  color: var(--text-soft);
}

.support-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.9rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--line);
  color: var(--text);
}

.hero-panel,
.media-card,
.card,
.policy-card,
.summary-card,
.faq-item,
.stat-card {
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 92%, transparent 8%), color-mix(in srgb, var(--surface) 96%, transparent 4%));
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.hero-panel {
  padding: 1rem;
}

.hero-media {
  overflow: hidden;
  border-radius: calc(var(--radius-md) - 8px);
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-soft) 92%, transparent 8%);
}

.hero-media video,
.hero-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.metric-grid,
.summary-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.metric-grid--hero {
  margin-top: 1.35rem;
  max-width: 760px;
  margin-inline: auto;
}

.metric-card,
.summary-card {
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--surface-muted);
}

.metric-card strong,
.summary-card strong,
.card h3,
.policy-card h2,
.stat-card strong {
  display: block;
  margin: 0.35rem 0 0;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.card p,
.policy-card p,
.summary-card p,
.stat-card p {
  margin: 0.8rem 0 0;
}

.policy-card a {
  color: var(--accent-strong);
}

.section {
  margin-top: clamp(3rem, 6vw, 4.5rem);
}

.section-head,
.page-hero {
  max-width: 760px;
}

.section-head--media {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(320px, 0.74fr);
  gap: clamp(1rem, 3vw, 2rem);
  align-items: center;
}

.section-head__copy {
  max-width: 560px;
}

.page-title {
  font-size: clamp(2.6rem, 7vw, 4.5rem);
}

.page-hero {
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.page-hero--center {
  text-align: center;
  margin-inline: auto;
}

.page-hero--center .page-lead,
.page-hero--center .page-copy {
  margin-inline: auto;
}

.section-title {
  font-size: clamp(2rem, 4.8vw, 3.25rem);
  max-width: none;
}

.page-hero--center .page-title {
  max-width: none;
}

.card-grid,
.policy-grid,
.stat-grid {
  display: grid;
  gap: 1rem;
}

.card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.stat-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1rem;
}

.card,
.policy-card,
.stat-card {
  padding: 1.35rem;
}

.card ul,
.policy-card ul {
  margin: 0.85rem 0 0;
  padding-left: 1.15rem;
  color: var(--text-soft);
}

.card li + li,
.policy-card li + li {
  margin-top: 0.45rem;
}

.media-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 1rem;
  margin-top: 1rem;
}

.media-card {
  padding: 1rem;
}

.section-demo {
  padding: 1rem;
}

.caption {
  margin: 0.85rem 0 0;
  font-size: 0.92rem;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.chip {
  padding: 0.65rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  color: var(--text-soft);
  font-size: 0.88rem;
}

.faq-list {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.section--tight {
  margin-top: 1.5rem;
}

.policy-stack {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin-top: 1rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--line);
}

.policy-card--compact {
  border-radius: 0;
  border: 0;
  box-shadow: none;
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 94%, transparent 6%), color-mix(in srgb, var(--surface) 97%, transparent 3%));
  padding: 1.25rem 1.4rem;
}

.policy-card--compact h2 {
  font-size: 1.05rem;
}

.policy-card--compact p {
  max-width: 60ch;
}

.faq-item {
  padding: 1rem 1.15rem;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-weight: 620;
  letter-spacing: -0.02em;
}

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

.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  font-size: 1.25rem;
  color: var(--text-muted);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 0.9rem 0 0;
}

.site-footer {
  padding: 2rem 0 3.5rem;
  border-top: 1px solid var(--line);
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.footer-meta {
  max-width: 48ch;
  margin: 0;
  font-size: 0.9rem;
}

.footer-links a {
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--line);
  color: var(--text-soft);
}

.fine-print {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.support-note {
  margin: 1.1rem auto 0;
  width: fit-content;
  max-width: 100%;
  text-align: center;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text-soft);
}

.support-note a {
  color: var(--text);
  text-underline-offset: 0.16em;
}

@media (min-width: 761px) {
  .support-note {
    white-space: nowrap;
  }
}

@media (min-width: 1100px) {
  .hero--stacked .hero-body {
    width: fit-content;
    max-width: none;
    white-space: nowrap;
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero,
.page-hero,
.section,
.site-footer {
  animation: rise-in 0.7s var(--ease) both;
}

.hero {
  animation-delay: 0.04s;
}

.section:nth-of-type(2) {
  animation-delay: 0.08s;
}

.section:nth-of-type(3) {
  animation-delay: 0.12s;
}

.section:nth-of-type(4) {
  animation-delay: 0.16s;
}

@media (max-width: 980px) {
  .hero,
  .media-layout,
  .section-head--media {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .metric-grid,
  .summary-grid,
  .stat-grid {
    grid-template-columns: 1fr;
  }

  .section-head__copy {
    max-width: 640px;
  }
}

@media (max-width: 760px) {
  .header-inner,
  .page-main,
  .site-footer {
    width: min(var(--page-width), calc(100% - 1.2rem));
  }

  .header-inner {
    min-height: 64px;
    gap: 0.6rem;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .brand-tag {
    display: none;
  }

  .page-main {
    padding-top: 2.2rem;
  }

  .card-grid,
  .policy-grid {
    grid-template-columns: 1fr;
  }

  .cta-row {
    flex-direction: column;
  }

  .store-badge-link,
  .browser-link {
    width: min(100%, 320px);
  }

  .footer-row,
  .footer-links {
    flex-direction: column;
    align-items: flex-start;
  }
}

@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;
  }
}