:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --text: #0f172a;
  --muted: #475569;
  --primary: #0f766e;
  --primary-2: #115e59;
  --accent: #f59e0b;
  --border: #e2e8f0;
  --danger: #dc2626;
  --success: #15803d;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 6px 20px rgba(15, 23, 42, 0.06);
  --maxw: 1140px;
  --space: clamp(16px, 2vw, 24px);
  --font: "Inter", "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
  line-height: 1.6;
}
img { max-width: 100%; display: block; border-radius: var(--radius); }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
  background: #fff;
  padding: 8px 12px;
  border-radius: 8px;
}

.container { width: min(var(--maxw), calc(100% - 2rem)); margin: 0 auto; }
.section { padding: clamp(56px, 7vw, 92px) 0; }
.section-alt { background: var(--surface-2); }
.tag {
  display: inline-block;
  font-size: 0.85rem;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.12);
  color: var(--primary-2);
  font-weight: 600;
  margin-bottom: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; min-height: 74px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px;
  display: inline-grid; place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff; font-weight: 800;
}
.brand strong { display: block; font-size: 1rem; }
.brand small { color: var(--muted); font-size: 0.78rem; }

.menu { display: flex; align-items: center; gap: 16px; }
.menu a { padding: 8px 10px; border-radius: 8px; font-weight: 500; color: var(--muted); }
.menu a:hover, .menu a:focus-visible, .menu a.active { color: var(--primary-2); background: rgba(15, 118, 110, 0.08); }

.mobile-toggle { display: none; background: transparent; border: 0; cursor: pointer; }
.mobile-toggle span { display:block; width:24px; height:2px; background: var(--text); margin:5px 0; transition:.3s; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(20px, 5vw, 48px);
  align-items: center;
}
.hero h1 { font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.15; margin-bottom: 16px; }
.hero p { color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 18px; }
.hero-highlights li { position: relative; padding-left: 22px; color: var(--text); margin-bottom: 8px; }
.hero-highlights li::before { content: "✓"; position: absolute; left: 0; color: var(--success); font-weight: 700; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 10px;
  padding: 12px 18px;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.btn:focus-visible { outline: 3px solid rgba(15,118,110,.35); outline-offset: 2px; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff !important; }
.btn-ghost { background: #fff; border: 1px solid var(--border); color: var(--text) !important; }

.section-head { margin-bottom: 26px; }
.section-head h2 { font-size: clamp(1.4rem, 2.8vw, 2rem); }
.cards-3 { display: grid; gap: 16px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 22px;
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); }

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.step {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.step span {
  width: 34px; height: 34px; border-radius: 50%;
  display:inline-grid; place-items:center;
  background: rgba(245, 158, 11, 0.18);
  color: #92400e; font-weight: 800; margin-bottom: 10px;
}

.faq-list { display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--border); background: #fff; border-radius: var(--radius-sm); overflow: hidden; }
.faq-question {
  width: 100%; text-align: left; background: #fff; border: 0; cursor: pointer;
  font: inherit; font-weight: 700; color: var(--text);
  padding: 16px;
}
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-answer p { padding: 0 16px 16px; color: var(--muted); }
.faq-item.open .faq-answer { max-height: 220px; }

.cta-box {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: #fff;
  border-radius: var(--radius);
  padding: clamp(22px, 4vw, 36px);
  display: flex; flex-direction: column; gap: 12px;
}

.form-grid { display: grid; gap: 14px; }
.input-group label { display: block; font-weight: 600; margin-bottom: 6px; }
.input-group input, .input-group textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 10px;
  padding: 12px; font: inherit; background: #fff;
}
.input-group textarea { min-height: 120px; resize: vertical; }
.input-group input:focus, .input-group textarea:focus { outline: 3px solid rgba(15,118,110,.2); border-color: var(--primary); }
.error-msg { color: var(--danger); font-size: .9rem; min-height: 18px; }
.form-status { font-weight: 600; margin-top: 8px; }
.form-status.success { color: var(--success); }
.form-status.error { color: var(--danger); }

.legal-layout { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: clamp(20px, 3vw, 34px); box-shadow: var(--shadow-soft); }
.legal-layout h1 { margin-bottom: 8px; }
.legal-meta { color: var(--muted); margin-bottom: 22px; }
.legal-toc { background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 14px; margin-bottom: 24px; }
.legal-toc ul { list-style: disc; padding-left: 20px; }
.legal-layout section { margin-bottom: 22px; }
.legal-layout h2 { font-size: 1.2rem; margin-bottom: 8px; }
.legal-layout p, .legal-layout li { color: #1e293b; }
.legal-layout ul { list-style: disc; padding-left: 20px; }

.site-footer {
  margin-top: 32px;
  background: #0b1220;
  color: #dbeafe;
  padding-top: 32px;
}
.footer-grid { display: grid; gap: 24px; grid-template-columns: 1.5fr 1fr; }
.site-footer h3 { color: #fff; margin-bottom: 10px; }
.site-footer p, .site-footer li { color: #cbd5e1; margin-bottom: 8px; }
.site-footer a { color: #93c5fd; }
.footer-bottom { border-top: 1px solid rgba(148,163,184,.25); padding: 16px 0; margin-top: 14px; }

.back-to-top {
  position: fixed; right: 18px; bottom: 18px;
  width: 42px; height: 42px; border-radius: 50%; border: 0;
  background: var(--primary); color: #fff; cursor: pointer;
  box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: .25s ease;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }

.reveal { opacity: 0; transform: translateY(16px); transition: .55s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .hero-grid, .cards-3, .steps, .footer-grid { grid-template-columns: 1fr; }
  .mobile-toggle { display: block; }
  .menu {
    position: absolute; top: 74px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    display: grid; gap: 4px; padding: 10px;
    transform: scaleY(0); transform-origin: top; opacity: 0; pointer-events: none;
    transition: .2s ease;
  }
  .menu.open { transform: scaleY(1); opacity: 1; pointer-events: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}