:root {
  --primary: #0f766e;
  --primary-dark: #115e59;
  --accent: #f59e0b;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --soft: #f8fafc;
  --danger: #b91c1c;
  --success: #166534;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  line-height: 1.55;
  background: #fff;
}

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

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

.container {
  width: min(1060px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

.brand {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  line-height: 1.15;
}

.brand small {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}

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

.main-nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 650;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 0;
  border-radius: 14px;
  background: var(--primary);
  color: #fff;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease;
}

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

.button:focus-visible,
.tab:focus-visible,
.burger:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid #99f6e4;
  outline-offset: 2px;
}

.button:active {
  transform: translateY(1px);
}

.button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.button.secondary {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
}

.button.secondary:hover {
  background: var(--soft);
}

.button.telegram {
  background: #229ED9;
}

.button.telegram:hover {
  background: #1c86b8;
}

.header-cta {
  white-space: nowrap;
}

.burger {
  display: none;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--border);
  background: #fff;
  padding: 14px 0 18px;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu .container {
  display: grid;
  gap: 12px;
}

.mobile-menu a {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  padding: 8px 0;
}

.hero {
  padding: 70px 0 54px;
  background: linear-gradient(180deg, #f0fdfa 0%, #ffffff 100%);
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 10px;
  padding: 7px 10px;
  border-radius: 999px;
  background: #ccfbf1;
  color: #115e59;
  font-size: 13px;
  font-weight: 800;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(34px, 6vw, 62px);
  line-height: 1.03;
  letter-spacing: -0.02em;
}

h2 {
  margin: 0 0 10px;
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

h3 {
  margin: 0 0 8px;
  font-size: 22px;
}

.lead {
  margin: 0 0 22px;
  max-width: 70ch;
  font-size: 18px;
  color: #374151;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.section {
  padding: 56px 0;
}

.section.soft {
  background: var(--soft);
}

.section-head {
  max-width: 760px;
  margin-bottom: 22px;
}

.section-sub {
  margin: 0;
  color: var(--muted);
}

.notice {
  margin: 12px 0 0;
  padding: 12px 14px;
  border: 1px dashed #f59e0b;
  background: #fffbeb;
  color: #92400e;
  border-radius: 14px;
}

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

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

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

.card {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: #fff;
  padding: 22px;
  box-shadow: 0 10px 30px rgba(17, 24, 39, 0.05);
}

.card p {
  margin: 0 0 14px;
  color: #374151;
}

.meta-list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  color: var(--muted);
}

.badge {
  display: inline-flex;
  margin: 0 8px 8px 0;
  padding: 7px 9px;
  border-radius: 999px;
  background: #f3f4f6;
  color: #374151;
  font-size: 13px;
  font-weight: 700;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0;
}

.tab {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.tour-card[hidden] {
  display: none;
}

.form {
  display: grid;
  gap: 14px;
  max-width: 680px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 700;
  font-size: 14px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  font: inherit;
  background: #fff;
  color: var(--text);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
}

.consent {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
}

.consent input {
  width: auto;
  min-height: auto;
  margin-top: 3px;
}

.botcheck {
  display: none;
}

.status {
  min-height: 20px;
  margin: 0;
  font-weight: 650;
  color: var(--muted);
}

.status.error {
  color: var(--danger);
}

.status.success {
  color: var(--success);
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 860px;
}

details {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
  padding: 16px;
}

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

details p {
  margin: 12px 0 0;
  color: #374151;
}

.footer {
  padding: 34px 0 96px;
  border-top: 1px solid var(--border);
  background: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 18px;
  padding-bottom: 18px;
}

.footer h2 {
  font-size: 18px;
  margin: 0 0 10px;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-links a {
  color: #374151;
  text-decoration: none;
}

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

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

.small {
  font-size: 14px;
}

.mobile-cta {
  display: none;
}

.page-hero {
  padding: 56px 0 28px;
  background: linear-gradient(180deg, #f0fdfa 0%, #ffffff 100%);
}

@media (max-width: 900px) {
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .main-nav {
    display: none;
  }

  .burger {
    display: inline-flex;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  body {
    padding-bottom: 86px;
  }

  .mobile-cta {
    display: flex;
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 80;
    box-shadow: 0 12px 28px rgba(17, 24, 39, 0.18);
  }

  .hero-actions .button {
    width: 100%;
  }

  .header-cta {
    display: none;
  }
}