:root {
  color-scheme: dark;
  --bg: #050506;
  --bg-soft: #0b0c0d;
  --ink: #f6f1e8;
  --muted: rgba(246, 241, 232, 0.64);
  --faint: rgba(246, 241, 232, 0.42);
  --panel: rgba(255, 255, 255, 0.055);
  --panel-strong: rgba(255, 255, 255, 0.09);
  --line: rgba(246, 214, 151, 0.18);
  --line-cool: rgba(111, 227, 205, 0.18);
  --gold: #f2d28c;
  --gold-deep: #a9782d;
  --teal: #5fe0c5;
  --green: #43e67e;
  --red: #f06455;
  --purple: #8f7cf8;
  --blue: #39a8ff;
  --shadow: 0 26px 72px rgba(0, 0, 0, 0.38);
  --header-height: 72px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-snap-type: y proximity;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 14% 0%, rgba(242, 210, 140, 0.11), transparent 34%),
    linear-gradient(180deg, #070809 0%, #050506 42%, #080807 100%);
  color: var(--ink);
  line-height: 1.62;
}

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

img {
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(246, 214, 151, 0.12);
  background: rgba(5, 5, 6, 0.72);
  backdrop-filter: blur(22px);
}

.nav {
  width: min(1160px, calc(100% - 40px));
  min-height: var(--header-height);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 780;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.34);
}

.brand span {
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 660;
  flex-wrap: wrap;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-links a {
  padding: 8px 0;
}

.nav-links a:hover {
  color: var(--gold);
}

.language-toggle {
  min-width: 42px;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid rgba(246, 214, 151, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--gold);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 760;
}

.language-toggle:hover {
  border-color: rgba(246, 214, 151, 0.42);
  background: rgba(255, 255, 255, 0.12);
}

.presentation {
  overflow: hidden;
}

.slide {
  width: min(1160px, calc(100% - 40px));
  min-height: calc(100svh - var(--header-height));
  margin: 0 auto;
  padding: 48px 0;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 0.82fr);
  gap: 58px;
  align-items: center;
  scroll-snap-align: start;
  scroll-margin-top: var(--header-height);
}

.slide.alternate {
  grid-template-columns: minmax(360px, 0.82fr) minmax(0, 0.92fr);
}

.slide.alternate .slide-copy {
  order: 2;
}

.slide.alternate .slide-media {
  order: 1;
}

.hero-slide {
  padding-top: 24px;
}

.slide-copy {
  max-width: 690px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 780;
}

.slide-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 34px;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--gold);
  background: rgba(255, 255, 255, 0.055);
  font-size: 13px;
  font-weight: 800;
}

.hero-slide h1,
.slide h2 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(44px, 6vw, 82px);
  line-height: 0.98;
  letter-spacing: 0;
}

.slide h2 {
  font-size: clamp(36px, 4.6vw, 64px);
  line-height: 1.05;
}

.lead {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 8px;
  border: 1px solid rgba(246, 214, 151, 0.24);
  background: rgba(255, 255, 255, 0.075);
  color: var(--ink);
  font-weight: 740;
}

.button.primary {
  border-color: rgba(242, 210, 140, 0.8);
  background: linear-gradient(180deg, #f2d28c, #a9782d);
  color: #11100d;
}

.button.ghost {
  color: var(--gold);
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 34px;
}

.stat-strip div,
.privacy-grid article,
.feature-card,
.plan-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset;
}

.stat-strip div {
  min-height: 104px;
  padding: 16px;
}

.stat-strip strong,
.privacy-grid strong {
  display: block;
  color: var(--ink);
  font-size: 16px;
}

.stat-strip span,
.privacy-grid span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.48;
}

.slide-media {
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-frame {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(246, 214, 151, 0.22);
  border-radius: 38px;
  background: #08090a;
  box-shadow: var(--shadow), 0 0 0 10px rgba(255, 255, 255, 0.035);
}

.phone-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.feature-shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.hero-phone {
  width: min(376px, 100%);
  aspect-ratio: 552 / 1200;
}

.feature-shot {
  width: 100%;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #090a0b;
  box-shadow: var(--shadow);
}

.wide-shot {
  width: min(360px, 100%);
  margin-inline: auto;
  aspect-ratio: 1206 / 2622;
  border-radius: 30px;
}

.compact-shot {
  width: min(360px, 100%);
  margin-inline: auto;
  aspect-ratio: 1206 / 2622;
  border-radius: 30px;
}

.chart-shot {
  width: min(360px, 100%);
  margin-inline: auto;
  aspect-ratio: 1206 / 2622;
  border-radius: 30px;
}

.custom-card-showcase {
  position: relative;
  width: min(620px, 100%);
  min-height: min(76vh, 720px);
}

.custom-card-frame {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #08090a;
  box-shadow: var(--shadow);
}

.custom-card-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.primary-preview {
  position: relative;
  width: 78%;
  aspect-ratio: 1206 / 1342;
  z-index: 2;
}

.secondary-preview {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 72%;
  aspect-ratio: 1206 / 2165;
  z-index: 1;
  opacity: 0.96;
}

.slide-points {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.slide-points li {
  position: relative;
  padding-left: 24px;
  color: var(--muted);
  font-size: 16px;
}

.slide-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.privacy-slide,
.pro-slide,
.filing-slide {
  grid-template-columns: minmax(0, 0.74fr) minmax(420px, 0.86fr);
}

.privacy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.privacy-grid article {
  min-height: 128px;
  padding: 22px;
}

.pricing-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.plan-card {
  min-height: 260px;
  padding: 24px;
}

.plan-card.highlighted {
  border-color: rgba(95, 224, 197, 0.28);
  background:
    linear-gradient(180deg, rgba(95, 224, 197, 0.12), rgba(255, 255, 255, 0.055)),
    rgba(255, 255, 255, 0.055);
}

.plan-card h3 {
  margin: 12px 0 10px;
  font-size: 24px;
  line-height: 1.25;
}

.plan-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.label {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(242, 210, 140, 0.12);
  color: var(--gold);
  font-size: 12px;
  font-weight: 780;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
}

.info-table th,
.info-table td {
  padding: 16px 18px;
  border-bottom: 1px solid rgba(246, 214, 151, 0.12);
  text-align: left;
  vertical-align: top;
}

.info-table th {
  width: 190px;
  color: var(--ink);
  font-weight: 760;
}

.info-table td {
  color: var(--muted);
}

.info-table tr:last-child th,
.info-table tr:last-child td {
  border-bottom: 0;
}

.content-page {
  width: min(880px, calc(100% - 40px));
  margin: 0 auto;
  padding: 54px 0 78px;
}

.content-page h1 {
  margin: 0 0 12px;
  font-size: 48px;
  line-height: 1.08;
}

.content-page .updated {
  margin: 0 0 34px;
  color: var(--muted);
  font-size: 14px;
}

.doc-section {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.doc-section h2 {
  margin: 0 0 14px;
  font-size: 24px;
}

.doc-section h3 {
  margin: 24px 0 8px;
  font-size: 18px;
}

.doc-section p,
.doc-section li {
  color: var(--muted);
  font-size: 15px;
}

.doc-section ul,
.doc-section ol {
  padding-left: 22px;
}

.notice {
  margin: 26px 0;
  padding: 18px 20px;
  border-radius: 8px;
  border: 1px solid rgba(242, 210, 140, 0.3);
  background: rgba(242, 210, 140, 0.08);
  color: var(--gold);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(5, 5, 6, 0.78);
}

.footer-inner {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 32px 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links a:hover {
  color: var(--gold);
}

.filing-link {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.filing-link:hover {
  color: var(--ink);
}

@media (max-width: 960px) {
  .slide,
  .slide.alternate,
  .privacy-slide,
  .pro-slide,
  .filing-slide {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .slide.alternate .slide-copy,
  .slide.alternate .slide-media {
    order: initial;
  }

  .slide {
    min-height: auto;
    padding: 72px 0;
  }

  .hero-slide {
    padding-top: 44px;
  }

  .slide-media {
    justify-content: flex-start;
  }

  .hero-phone {
    width: min(340px, 100%);
  }

  .pricing-layout,
  .stat-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  :root {
    --header-height: 132px;
  }

  html {
    scroll-snap-type: none;
  }

  .nav {
    min-height: auto;
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
    gap: 10px 14px;
    overflow-x: visible;
    flex-wrap: wrap;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .nav-links a {
    white-space: nowrap;
  }

  .slide,
  .content-page,
  .footer-inner {
    width: min(100% - 28px, 1160px);
  }

  .slide {
    padding: 54px 0;
  }

  .hero-slide h1 {
    font-size: 44px;
  }

  .slide h2 {
    font-size: 36px;
  }

  .lead {
    margin-top: 18px;
    font-size: 16px;
  }

  .hero-actions {
    margin-top: 24px;
  }

  .phone-frame {
    border-radius: 28px;
  }

  .hero-phone {
    width: min(260px, 100%);
  }

  .feature-shot {
    min-height: 230px;
  }

  .feature-shot img {
    object-position: top left;
  }

  .custom-card-showcase {
    min-height: auto;
    display: grid;
    gap: 14px;
  }

  .primary-preview,
  .secondary-preview {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
  }

  .content-page h1 {
    font-size: 36px;
  }

  .info-table,
  .info-table tbody,
  .info-table tr,
  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
  }

  .info-table th {
    border-bottom: 0;
    padding-bottom: 4px;
  }

  .info-table td {
    padding-top: 4px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }
}