:root {
  color-scheme: dark;
  --bg: #0b0e11;
  --panel: #151b22;
  --panel-2: #1d242d;
  --text: #f4f6f8;
  --muted: #9aa4b2;
  --line: #2b333f;
  --gold: #fcd535;
  --gold-2: #f0b90b;
  --green: #0ecb81;
  --red: #f6465d;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Display",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 18% 18%, rgba(252, 213, 53, 0.12), transparent 25%),
    radial-gradient(circle at 82% 62%, rgba(14, 203, 129, 0.11), transparent 27%),
    linear-gradient(135deg, #0b0e11 0%, #111820 52%, #07130e 100%);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

nav a:hover {
  color: var(--text);
}

.lang-toggle {
  border: 1px solid rgba(252, 213, 53, 0.35);
  border-radius: 999px;
  padding: 8px 14px;
  background: rgba(252, 213, 53, 0.1);
  color: var(--gold);
  cursor: pointer;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 440px;
  gap: 68px;
  align-items: center;
  width: min(var(--max), calc(100% - 40px));
  min-height: calc(100svh - 72px);
  margin: 0 auto;
  padding: 54px 0 36px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(64px, 10vw, 116px);
  line-height: 0.94;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  margin-bottom: 28px;
  color: var(--text);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.08;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0 18px;
}

.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 8px;
  padding: 0 20px;
  font-weight: 800;
}

.primary-link {
  background: var(--gold);
  color: #171a20;
}

.secondary-link {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.disclaimer {
  max-width: 640px;
  color: var(--muted);
  font-size: 14px;
}

.hero-media {
  align-self: end;
}

.hero-media img,
.screenshots img {
  border-radius: 34px;
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.48);
}

.proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.proof div {
  padding: 24px;
  background: rgba(21, 27, 34, 0.92);
}

.proof strong {
  display: block;
  margin-bottom: 6px;
  color: var(--gold);
  font-size: 22px;
}

.proof span {
  color: var(--muted);
  font-size: 14px;
}

.section {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 104px 0 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.04;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.72;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.feature-grid article {
  min-height: 260px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(21, 27, 34, 0.92);
}

.feature-grid span {
  color: var(--gold);
  font-weight: 900;
}

.feature-grid h3 {
  margin: 22px 0 12px;
  font-size: 22px;
}

.feature-grid p,
.audience li,
.faq p {
  color: var(--muted);
  line-height: 1.7;
}

.screenshots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  align-items: start;
}

.screenshots img {
  width: 100%;
  border: 1px solid rgba(252, 213, 53, 0.12);
}

.audience ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.audience li {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 20px;
  background: rgba(21, 27, 34, 0.86);
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 12px;
  padding: 18px 20px;
  background: rgba(21, 27, 34, 0.86);
}

.faq summary {
  cursor: pointer;
  font-weight: 800;
}

.faq p {
  margin: 14px 0 0;
}

.support-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px;
  border: 1px solid rgba(252, 213, 53, 0.25);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(21, 27, 34, 0.96), rgba(17, 24, 32, 0.96));
}

.support-card h2 {
  margin-bottom: 10px;
}

.support-card p:not(.eyebrow) {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.7;
}

.support-email {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 8px;
  background: var(--gold);
  color: #171a20;
  font-weight: 800;
  white-space: nowrap;
}

.legal-page {
  width: min(860px, calc(100% - 40px));
  margin: 0 auto;
  padding: 84px 0 20px;
}

.legal-hero {
  margin-bottom: 44px;
}

.legal-hero h1 {
  font-size: clamp(52px, 8vw, 90px);
}

.legal-hero p:not(.eyebrow) {
  color: var(--muted);
  font-size: 20px;
  line-height: 1.7;
}

.legal-section {
  margin-bottom: 16px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(21, 27, 34, 0.86);
}

.legal-section h2 {
  margin-bottom: 10px;
  font-size: 28px;
}

.legal-section p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.78;
}

.legal-section .support-email {
  margin-top: 16px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  justify-content: space-between;
  width: min(var(--max), calc(100% - 40px));
  margin: 96px auto 0;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

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

@media (max-width: 900px) {
  .site-header {
    width: min(100% - 28px, var(--max));
  }

  nav a {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 34px;
    min-height: auto;
    width: min(100% - 28px, var(--max));
    padding-top: 38px;
  }

  .hero-media {
    width: min(420px, 100%);
    margin: 0 auto;
  }

  .proof,
  .feature-grid,
  .screenshots,
  .audience ul {
    grid-template-columns: 1fr;
  }

  .support-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .legal-page {
    width: min(100% - 28px, 860px);
    padding-top: 56px;
  }

  .proof,
  .section {
    width: min(100% - 28px, var(--max));
  }

  .section {
    padding-top: 76px;
  }

  .feature-grid article {
    min-height: auto;
  }
}