:root {
  --ink: #18313d;
  --muted: #64747c;
  --teal: #0f8f8f;
  --teal-dark: #087171;
  --gold: #f4b942;
  --cream: #fff8ef;
  --sky: #eaf7f7;
  --white: #ffffff;
  --line: #d8e3e5;
  --shadow: 0 18px 45px rgba(24,49,61,.12);
  --radius: 22px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, system-ui, sans-serif; color: var(--ink); background: #fff; line-height: 1.6; }
a { color: inherit; }
.container { width: min(1140px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 90px 0; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.navbar { display: flex; align-items: center; justify-content: space-between; min-height: 78px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 800; }
.brand-mark { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; color: white; background: linear-gradient(135deg, var(--teal), var(--ink)); font-size: 14px; }
.nav-menu { display: flex; align-items: center; gap: 24px; list-style: none; margin: 0; padding: 0; font-weight: 600; font-size: 14px; }
.nav-menu a { text-decoration: none; color: var(--ink); }
.nav-cta { padding: 12px 18px; border-radius: 999px; background: var(--teal); color: white !important; }
.nav-toggle { display: none; border: 1px solid var(--line); background: white; padding: 10px 14px; border-radius: 12px; }
.hero { background: radial-gradient(circle at top right, #dff5f2, transparent 40%), linear-gradient(180deg, var(--cream), #fff); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 60px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; color: var(--teal); font-weight: 800; font-size: 12px; margin: 0 0 14px; }
h1, h2, h3 { line-height: 1.1; margin: 0 0 18px; }
h1 { font-size: clamp(42px, 6vw, 70px); letter-spacing: -.05em; }
h2 { font-size: clamp(30px, 4vw, 48px); letter-spacing: -.04em; }
h3 { font-size: 22px; }
p { margin: 0 0 18px; }
.hero-subtitle, .section-heading p, .about-grid p { font-size: 19px; color: var(--muted); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 34px 0; }
.button { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; padding: 15px 22px; font-weight: 800; text-decoration: none; border: 0; cursor: pointer; }
.button-primary { background: var(--teal); color: white; }
.button-primary:hover, .nav-cta:hover { background: var(--teal-dark); }
.button-secondary { background: white; border: 1px solid var(--line); color: var(--ink); }
.trust-row { display: flex; flex-wrap: wrap; gap: 10px; }
.trust-row span, .custom-list span { background: white; border: 1px solid var(--line); border-radius: 999px; padding: 10px 14px; color: var(--muted); font-weight: 700; font-size: 13px; }
.hero-card { background: var(--ink); color: white; border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.hero-card h2 { font-size: 28px; }
.hero-card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 22px; }
.hero-card li span { display: block; opacity: .78; margin-top: 4px; }
.section-heading { max-width: 820px; margin-bottom: 40px; }
.section-heading.split { max-width: none; display: flex; justify-content: space-between; gap: 28px; align-items: end; }
.card-grid, .session-grid, .package-grid { display: grid; gap: 22px; }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }
.info-card, .session-card, .package-card { border: 1px solid var(--line); border-radius: var(--radius); background: white; padding: 26px; box-shadow: 0 10px 25px rgba(24,49,61,.06); }
.info-card { background: var(--sky); }
.catalog { background: #f7fbfb; }
.catalog-controls { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; }
.filter-btn { border: 1px solid var(--line); background: white; color: var(--ink); border-radius: 999px; padding: 10px 14px; font-weight: 800; cursor: pointer; }
.filter-btn.active { background: var(--ink); color: white; border-color: var(--ink); }
.session-grid { grid-template-columns: repeat(3, 1fr); }
.session-card { display: flex; flex-direction: column; }
.tag { align-self: flex-start; background: var(--cream); border: 1px solid #f3debd; border-radius: 999px; color: #946318; font-weight: 800; font-size: 12px; padding: 7px 10px; margin-bottom: 18px; }
.session-card p { color: var(--muted); }
dl { display: grid; grid-template-columns: 75px 1fr; gap: 6px 10px; margin: 4px 0 22px; font-size: 14px; }
dt { font-weight: 800; }
dd { margin: 0; color: var(--muted); }
.session-card a { margin-top: auto; font-weight: 800; color: var(--teal); text-decoration: none; }
.pricing-table-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow); background: white; border: 1px solid var(--line); }
.pricing-table { width: 100%; border-collapse: collapse; min-width: 680px; }
th, td { text-align: left; padding: 18px 22px; border-bottom: 1px solid var(--line); }
th { background: var(--ink); color: white; }
.note { padding: 16px 22px; color: var(--muted); font-size: 14px; margin: 0; }
.package-grid { grid-template-columns: repeat(3, 1fr); margin-top: 28px; }
.package-card .price { font-size: 32px; color: var(--teal); font-weight: 900; }
.package-card ul { padding-left: 20px; color: var(--muted); }
.package-card.featured { border: 3px solid var(--teal); transform: translateY(-8px); }
.custom { background: var(--ink); color: white; }
.custom-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.custom p { color: rgba(255,255,255,.78); }
.custom-list { display: flex; flex-wrap: wrap; gap: 12px; }
.custom-list span { background: rgba(255,255,255,.1); color: white; border-color: rgba(255,255,255,.25); }
.about-grid, .contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 60px; align-items: start; }
.contact { background: var(--cream); }
.contact-email a { color: var(--teal); font-weight: 800; }
.contact-form { display: grid; gap: 16px; background: white; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
label { display: grid; gap: 7px; font-weight: 800; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 14px; font: inherit; color: var(--ink); background: #fff; }
.site-footer { background: #0f2028; color: white; padding: 34px 0; }
.footer-grid { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.footer-grid p { opacity: .78; margin: 6px 0 0; }
.footer-grid a { color: white; margin-left: 18px; text-decoration: none; font-weight: 700; }
@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .nav-menu { position: absolute; inset: 78px 20px auto 20px; flex-direction: column; align-items: stretch; background: white; border: 1px solid var(--line); border-radius: 18px; padding: 18px; box-shadow: var(--shadow); display: none; }
  .nav-menu.open { display: flex; }
  .hero-grid, .custom-panel, .about-grid, .contact-grid, .section-heading.split { grid-template-columns: 1fr; display: grid; }
  .card-grid.four, .session-grid, .package-grid { grid-template-columns: 1fr 1fr; }
  .catalog-controls { justify-content: flex-start; }
}
@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1140px); }
  .section { padding: 62px 0; }
  .card-grid.four, .session-grid, .package-grid { grid-template-columns: 1fr; }
  .hero-actions, .footer-grid { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .footer-grid a { display: block; margin: 10px 0 0; }
}