:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --border: #e5e7eb;
  --accent: #ccfbf1;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  min-height: 72px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--primary-dark);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  padding: 8px 10px;
  font-size: 18px;
  cursor: pointer;
}

.site-nav {
  display: flex;
  gap: 18px;
  align-items: center;
}

.site-nav a {
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--primary-dark);
  background: var(--accent);
}

.hero {
  padding: 76px 0 56px;
}

.hero-card {
  background: linear-gradient(135deg, #ecfeff, #f0fdfa);
  border: 1px solid #a7f3d0;
  border-radius: 20px;
  padding: 52px 44px;
  box-shadow: var(--shadow);
}

.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1;
}

.hero p {
  margin: 0 0 26px;
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--primary);
  padding: 11px 18px;
  font-weight: 600;
  transition: all 0.2s ease;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
}

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

.btn-outline:hover {
  background: var(--accent);
}

.section {
  padding: 52px 0;
}

.section-title {
  margin: 0 0 10px;
  font-size: clamp(24px, 3vw, 34px);
}

.section-lead {
  margin: 0 0 24px;
  color: var(--muted);
  max-width: 760px;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.stats {
  background: #0f172a;
  color: #fff;
  border-radius: 16px;
  padding: 22px;
}

.stats strong {
  font-size: 32px;
  line-height: 1;
  display: block;
}

.stats span {
  color: #cbd5e1;
  font-size: 14px;
}

.list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

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

.faq-item + .faq-item {
  margin-top: 14px;
}

.faq-item h3 {
  margin: 0 0 8px;
}

.contact-list {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.contact-item {
  padding: 14px;
  border-radius: 10px;
  background: #f8fafc;
  border: 1px solid var(--border);
}

.contact-item small {
  display: block;
  color: var(--muted);
  margin-bottom: 6px;
}

.site-footer {
  margin-top: 48px;
  border-top: 1px solid var(--border);
  background: #fff;
}

.footer-inner {
  padding: 28px 0;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

@media (max-width: 860px) {
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 72px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: #fff;
    flex-direction: column;
    padding: 14px 4%;
    display: none;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    width: 100%;
  }

  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .hero-card {
    padding: 34px 24px;
  }
}