:root {
  --bg-1: #07111f;
  --bg-2: #0f172a;
  --bg-3: #132238;
  --card: rgba(15, 23, 42, 0.78);
  --text-main: #ecfeff;
  --text-soft: #c7d2fe;
  --line: rgba(45, 212, 191, 0.28);
  --cta: #14b8a6;
  --cta-hover: #0d9488;
  --accent: #f59e0b;
}

* {
  box-sizing: border-box;
}

body.landing-page,
body.doc-page {
  margin: 0;
  min-height: 100vh;
  color: var(--text-main);
  font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  background:
    radial-gradient(circle at 8% 14%, rgba(20, 184, 166, 0.2) 0%, transparent 40%),
    radial-gradient(circle at 92% 0%, rgba(245, 158, 11, 0.2) 0%, transparent 38%),
    linear-gradient(165deg, var(--bg-1) 0%, var(--bg-2) 45%, var(--bg-3) 100%);
}

body.landing-page {
  padding: 28px 16px 36px;
  display: grid;
  place-items: center;
}

.landing-page .shell {
  width: min(1040px, 100%);
  display: grid;
  gap: 18px;
  text-align: center;
}

.landing-page .hero {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 20px;
  backdrop-filter: blur(6px);
  padding: clamp(20px, 4vw, 38px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.25);
}

.landing-page .brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
}

.landing-page .brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.landing-page .brand-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #67e8f9;
}

.landing-page h1 {
  margin: 0 auto 12px;
  font-size: clamp(1.7rem, 4.4vw, 3rem);
  line-height: 1.1;
  max-width: 18ch;
}

.landing-page h3 {
  margin: 0 auto;
  max-width: 68ch;
  line-height: 1.4;
  font-weight: 500;
  color: var(--text-main);
  font-size: clamp(1rem, 2.2vw, 1.2rem);
}

.landing-page .lead {
  margin: 0 auto;
  max-width: 68ch;
  line-height: 1.65;
  color: var(--text-soft);
  font-size: clamp(0.98rem, 2vw, 1.08rem);
}

.landing-page .actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.landing-page .btn {
  border: none;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform 140ms ease, background-color 140ms ease, color 140ms ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 16px;
}

.landing-page .btn-primary {
  background: var(--cta);
  color: #052e2b;
  min-height: 70px;
  padding: 18px 42px;
  font-size: 1.04rem;
}

.landing-page .btn-primary:hover,
.landing-page .btn-primary:focus-visible {
  background: var(--cta-hover);
  color: #e6fffb;
  transform: translateY(-1px);
}

.landing-page .btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.landing-page .btn-secondary:hover,
.landing-page .btn-secondary:focus-visible {
  border-color: var(--accent);
  color: #fde68a;
  transform: translateY(-1px);
}

.landing-page .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.landing-page .card {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(6, 12, 23, 0.66);
  border-radius: 14px;
  padding: 16px;
  text-decoration: none;
  color: inherit;
  transition: border-color 140ms ease, transform 140ms ease;
}

.landing-page .card:hover,
.landing-page .card:focus-visible {
  border-color: var(--cta);
  transform: translateY(-2px);
}

.landing-page .card h2 {
  margin: 0 0 8px;
  font-size: 1.02rem;
  color: #ccfbf1;
}

.landing-page .card p {
  margin: 0;
  color: #cbd5e1;
  line-height: 1.5;
  font-size: 0.94rem;
}

.landing-page .small {
  margin-top: 8px;
  color: #94a3b8;
  font-size: 0.85rem;
  line-height: 1.5;
}

.landing-page .legal-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 2px;
  color: #94a3b8;
  font-size: 0.9rem;
}

.landing-page .legal-links a {
  color: #cbd5e1;
  text-decoration: none;
}

.landing-page .legal-links a:hover,
.landing-page .legal-links a:focus-visible {
  color: #ecfeff;
  text-decoration: underline;
  text-underline-offset: 2px;
}

body.doc-page {
  padding: 24px 0 40px;
  color: rgba(235, 241, 255, 0.8);
  background-attachment: fixed;
  background-size: cover;
}

.doc-page .doc-shell {
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 24px 64px;
}

.doc-page .legal-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  color: #94a3b8;
  font-size: 0.9rem;
  flex-wrap: wrap;
}

.doc-page .legal-links a {
  color: #cbd5e1;
  text-decoration: none;
}

.doc-page .legal-links a:hover,
.doc-page .legal-links a:focus-visible {
  color: #ecfeff;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.doc-page .doc-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-align: left;
  padding: 48px 24px 16px;
}

.doc-page .doc-header h1 {
  margin: 0;
  font-size: clamp(1.7rem, 4.4vw, 3rem);
  line-height: 1.1;
}

.doc-page .doc-logo-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 0;
  flex: 0 0 auto;
}

.doc-page .doc-logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  filter: drop-shadow(0 6px 18px rgba(0, 160, 255, 0.28));
}

.doc-page .doc-close-row {
  display: none;
  justify-content: flex-end;
  margin-bottom: 20px;
}

.doc-page .doc-button {
  appearance: none;
  border: 1px solid rgba(0, 160, 255, 0.35);
  border-radius: 12px;
  background: rgba(22, 26, 44, 0.85);
  color: rgba(235, 241, 255, 0.92);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 16px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.doc-page .doc-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0, 160, 255, 0.18);
}

.doc-page .doc-card {
  background: rgba(15, 23, 42, 0.78);
  backdrop-filter: blur(12px);
  border-radius: 16px;
  border: 1px solid var(--line);
  padding: 32px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.25);
}

.doc-page .doc-card p {
  line-height: 1.65;
  color: #cbd5e1;
}

.doc-page .doc-section + .doc-section {
  margin-top: 28px;
}

.doc-page .doc-section h2 {
  margin: 0 0 10px;
  color: #ccfbf1;
}

.doc-page .doc-cta-wrap {
  margin-top: 24px;
  text-align: center;
}

.doc-page .doc-cta {
  background: var(--cta);
  color: #052e2b;
  box-shadow: none;
  font-size: 1.15rem;
  padding: 16px 34px;
  border-radius: 16px;
  min-width: 220px;
}

.doc-page .doc-cta:hover,
.doc-page .doc-cta:focus-visible {
  background: var(--cta-hover);
  color: #e6fffb;
  transform: translateY(-1px);
}

.doc-page .doc-disclaimer {
  margin-top: 18px;
  font-size: 0.88rem;
  color: #cbd5e1;
}

.doc-page .doc-table-wrap {
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid rgba(235, 241, 255, 0.14);
}

.doc-page .doc-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 320px;
  background: rgba(20, 24, 40, 0.42);
}

.doc-page .doc-table th,
.doc-page .doc-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(235, 241, 255, 0.09);
}

.doc-page .doc-table th {
  font-weight: 700;
  color: rgba(235, 241, 255, 0.9);
  background: rgba(0, 160, 255, 0.14);
}

.doc-page .doc-link-list {
  margin: 0;
  padding-left: 20px;
}

.doc-page .doc-link-list li + li {
  margin-top: 10px;
}

.doc-page .doc-link-list a,
.doc-page .doc-topic-list a {
  color: #8fd2ff;
  text-decoration: underline;
  text-underline-offset: 2px;
  word-break: break-word;
}

.doc-page .doc-link-list li,
.doc-page .doc-topic-list li,
.doc-page .doc-section li {
  color: #cbd5e1;
}

.doc-page .doc-link-list li::marker,
.doc-page .doc-topic-list li::marker,
.doc-page .doc-section li::marker {
  color: #cbd5e1;
}

.doc-page .doc-topic-grid {
  display: grid;
  gap: 14px;
  margin-top: 4px;
}

.doc-page .doc-topic-card {
  background: rgba(20, 24, 40, 0.36);
  border: 1px solid rgba(235, 241, 255, 0.1);
  border-radius: 12px;
  padding: 14px;
}

.doc-page .doc-topic-card h3 {
  margin: 0;
  font-size: 1.02rem;
}

.doc-page .doc-topic-list {
  margin: 10px 0 0;
  padding-left: 20px;
}

.doc-page .doc-topic-list li + li {
  margin-top: 8px;
}

@media (min-width: 780px) {
  .doc-page .doc-topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .landing-page .actions {
    flex-direction: column;
  }

  .landing-page .btn {
    width: 100%;
  }
}