:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-muted: #eef3fb;
  --text: #10213a;
  --text-soft: #405577;
  --primary: #1d5de5;
  --primary-dark: #1749b6;
  --accent: #e4572e;
  --ok: #127a55;
  --border: #d5deeb;
  --warning-bg: #fff8e8;
  --warning-border: #f5cf75;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(29, 93, 229, 0.1), transparent 28rem),
    linear-gradient(180deg, #ffffff 0, var(--bg) 22rem);
  line-height: 1.6;
}

a {
  color: var(--primary-dark);
}

a:hover {
  color: var(--primary);
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #fff;
  color: #000;
  padding: 0.7rem 1rem;
  z-index: 2000;
}

.skip-link:focus {
  left: 0.7rem;
  top: 0.7rem;
}

.site-header {
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(213, 222, 235, 0.86);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(14px);
}

.header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(16, 33, 58, 0.12);
}

.top-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.top-nav a {
  display: inline-block;
  text-decoration: none;
  font-weight: 750;
  color: var(--text);
  padding: 0.45rem 0.6rem;
  border-radius: 6px;
}

.top-nav a:hover {
  background: var(--surface-muted);
}

.hero {
  padding: 3rem 0 1.8rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.2rem;
  align-items: stretch;
}

.panel {
  background: var(--surface);
  border: 1px solid rgba(213, 222, 235, 0.92);
  border-radius: 8px;
  padding: clamp(1.1rem, 3vw, 2rem);
  box-shadow: 0 16px 36px rgba(16, 33, 58, 0.08);
}

.hero h1 {
  margin: 0 0 0.8rem;
  line-height: 1.15;
  font-size: clamp(1.7rem, 3vw, 2.55rem);
}

.sub {
  color: var(--text-soft);
  margin: 0 0 1rem;
}

.code-chip {
  display: inline-block;
  border: 1px solid #173f82;
  background: #10213a;
  color: #fff;
  font-weight: 800;
  font-size: clamp(1.2rem, 3vw, 2rem);
  letter-spacing: 0;
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  margin-bottom: 0.9rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  text-decoration: none;
  border: 1px solid var(--primary-dark);
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  border-radius: 8px;
  padding: 0.65rem 0.95rem;
  cursor: pointer;
  min-height: 44px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.btn:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(29, 93, 229, 0.18);
}

.btn.secondary {
  background: #fff;
  color: var(--primary-dark);
}

.btn.secondary:hover {
  background: #f0f5ff;
}

.copy-feedback {
  margin-top: 0.75rem;
  color: var(--ok);
  font-weight: 600;
  min-height: 1.3rem;
}

.risk-note {
  margin: 1rem 0 0;
  padding: 0.75rem 0.85rem;
  background: var(--warning-bg);
  border: 1px solid var(--warning-border);
  border-radius: 8px;
  color: #5b4722;
  font-size: 0.96rem;
  font-weight: 650;
}

.badges {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.badge {
  display: inline-block;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.28rem 0.72rem;
  color: #213d67;
  font-size: 0.86rem;
  font-weight: 600;
}

.hero-media img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid rgba(213, 222, 235, 0.92);
  display: block;
  box-shadow: 0 18px 42px rgba(16, 33, 58, 0.1);
}

.hero-media figcaption {
  margin-top: 0.45rem;
  color: var(--text-soft);
  font-size: 0.89rem;
}

main section {
  padding: 1.25rem 0 0.8rem;
}

h2 {
  margin: 0 0 0.65rem;
  line-height: 1.2;
  font-size: clamp(1.25rem, 2.2vw, 1.8rem);
}

h3 {
  margin: 0.9rem 0 0.4rem;
  font-size: clamp(1.05rem, 2vw, 1.2rem);
}

p {
  margin: 0.58rem 0;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid rgba(213, 222, 235, 0.92);
  background: #fff;
  overflow: hidden;
}

thead th {
  background: #10213a;
  color: #fff;
}

th,
td {
  border: 0;
  border-bottom: 1px solid #e6edf7;
  text-align: left;
  vertical-align: top;
  padding: 0.78rem 0.72rem;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.table-wrap {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid rgba(213, 222, 235, 0.92);
  box-shadow: 0 14px 32px rgba(16, 33, 58, 0.06);
}

ul,
ol {
  padding-left: 1.2rem;
}

figure {
  margin: 0.8rem 0;
}

figure img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  border: 1px solid var(--border);
}

figcaption {
  color: var(--text-soft);
  font-size: 0.9rem;
  margin-top: 0.4rem;
}

.faq-item {
  border: 1px solid rgba(213, 222, 235, 0.92);
  border-radius: 8px;
  background: #fff;
  margin-bottom: 0.62rem;
  box-shadow: 0 10px 24px rgba(16, 33, 58, 0.05);
}

.faq-button {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 0.8rem 0.85rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
}

.faq-answer {
  padding: 0 0.85rem 0.85rem;
}

[hidden] {
  display: none !important;
}

.legal-box {
  border: 1px dashed #d08b5e;
  background: #fff5eb;
  color: #6a3f20;
  padding: 0.7rem 0.8rem;
  border-radius: 8px;
  font-weight: 650;
}

.section-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.section-nav a {
  display: inline-block;
  background: #f1f5fc;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.26rem 0.7rem;
  text-decoration: none;
  color: #213d67;
  font-size: 0.86rem;
}

footer {
  margin-top: 2.5rem;
  border-top: 1px solid rgba(213, 222, 235, 0.86);
  background: #10213a;
  color: #fff;
}

.footer-wrap {
  padding: 1rem 0 1.4rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 0.7rem;
}

.footer-links a {
  text-decoration: none;
  font-weight: 600;
  color: #dce8ff;
}

footer .muted,
footer p {
  color: #b9c7da;
}

.muted {
  color: var(--text-soft);
}

*:focus-visible {
  outline: 3px solid #ff9f1c;
  outline-offset: 2px;
}

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

  .header-wrap {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-nav ul {
    gap: 0.35rem;
  }
}