:root {
  --primary: #0f766e;
  --secondary: #14b8a6;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #10201e;
  --muted: #60706d;
  --line: #dce8e6;
  --warning: #b45309;
  --warning-bg: #fff7ed;
  --shadow: 0 22px 70px rgba(15, 118, 110, .12);
  --radius: 18px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea { font: inherit; }
::selection { color: #fff; background: var(--primary); }

.container { width: min(100% - 32px, var(--container)); margin-inline: auto; }
.section { padding: 88px 0; position: relative; }
.section-tint { background: linear-gradient(180deg, rgba(20,184,166,.08), rgba(248,250,252,0)); }
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 1000;
  padding: 10px 14px; background: var(--primary); color: #fff;
  border-radius: 12px; transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(248, 250, 252, .86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(220, 232, 230, .72);
}
.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 800; letter-spacing: 0; color: var(--primary);
}
.brand img { width: 44px; height: 44px; border-radius: 14px; object-fit: cover; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.nav a { font-size: 14px; font-weight: 600; color: #324643; transition: color .2s ease; }
.nav a:hover, .nav a:focus-visible { color: var(--primary); }

.btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 20px;
  border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--primary), var(--secondary)); box-shadow: 0 14px 32px rgba(15,118,110,.26); }
.btn-outline { color: var(--primary); border-color: rgba(15,118,110,.22); background: rgba(255,255,255,.74); }
.ripple .ripple-circle {
  position: absolute; border-radius: 50%; pointer-events: none;
  background: rgba(255,255,255,.42); transform: scale(0);
  animation: ripple .65s ease-out;
}
@keyframes ripple { to { transform: scale(3); opacity: 0; } }

.menu-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line);
  background: #fff; border-radius: 14px; align-items: center; justify-content: center;
  flex-direction: column; gap: 5px;
}
.menu-toggle span { width: 18px; height: 2px; background: var(--primary); border-radius: 2px; }

.hero { min-height: calc(100vh - 76px); display: grid; align-items: center; overflow: hidden; }
.hero-bg::before, .hero-bg::after {
  content: ""; position: absolute; border-radius: 999px; filter: blur(4px); opacity: .55;
}
.hero-bg::before { width: 420px; height: 420px; right: -120px; top: 80px; background: radial-gradient(circle, rgba(20,184,166,.28), transparent 66%); }
.hero-bg::after { width: 320px; height: 320px; left: -120px; bottom: 80px; background: radial-gradient(circle, rgba(15,118,110,.14), transparent 68%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(320px, .78fr); align-items: center; gap: 62px; }
.eyebrow {
  display: inline-flex; color: var(--primary); background: rgba(20,184,166,.12);
  border: 1px solid rgba(20,184,166,.2); border-radius: 999px;
  padding: 7px 12px; font-size: 13px; font-weight: 800;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin: 18px 0 20px;
  max-width: 720px;
  font-size: clamp(36px, 4.8vw, 58px);
  line-height: 1.06;
  letter-spacing: 0;
}
.hero-copy p { max-width: 650px; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.stats {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px;
  margin: 38px 0 0; max-width: 620px;
}
.stats div {
  margin: 0; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(255,255,255,.72);
}
.stats dt { font-size: 30px; font-weight: 800; color: var(--primary); line-height: 1; }
.stats dd { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.hero-media {
  position: relative; border-radius: 30px; padding: 14px;
  background: linear-gradient(145deg, rgba(255,255,255,.9), rgba(20,184,166,.14));
  box-shadow: var(--shadow);
}
.hero-media img, .author-image img { aspect-ratio: 4 / 5; width: 100%; object-fit: cover; border-radius: 24px; }
.trust-card {
  position: absolute; left: -18px; bottom: 32px; width: min(290px, 84%);
  padding: 18px; border-radius: var(--radius); background: rgba(255,255,255,.92);
  border: 1px solid rgba(220,232,230,.9); box-shadow: var(--shadow);
}
.trust-card strong, .trust-card span { display: block; }
.trust-card span { margin-top: 4px; color: var(--muted); font-size: 13px; }

.section-head { max-width: 760px; margin-bottom: 34px; }
.section-head h2 {
  margin: 16px 0 12px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}
.section-head p { color: var(--muted); font-size: 17px; }
.icon-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.info-card, .module-card, .mini-card, .warning-card, .contact-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(16,32,30,.05);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.info-card:hover, .module-card:hover, .mini-card:hover, .contact-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(20,184,166,.35);
}
.info-card { padding: 24px; min-height: 214px; }
.icon {
  width: 46px; height: 46px; border-radius: 15px; display: grid; place-items: center;
  background: rgba(20,184,166,.12); color: var(--primary); margin-bottom: 18px;
}
.icon svg { width: 24px; height: 24px; fill: currentColor; }
.info-card h3, .module-card h3 { margin-bottom: 8px; line-height: 1.25; }
.info-card p { color: var(--muted); margin: 0; font-size: 14px; }

.program-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.module-card { padding: 18px; min-height: 112px; display: flex; flex-direction: column; justify-content: space-between; }
.module-card span {
  color: var(--secondary); font-weight: 800; font-size: 13px;
}
.module-card h3 { margin: 14px 0 0; font-size: 17px; }

.advantage-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.mini-card { padding: 18px; min-height: 132px; }
.mini-card span { color: var(--secondary); font-weight: 800; font-size: 13px; }
.mini-card p { margin: 18px 0 0; font-weight: 700; }

.limitations { background: #fff; }
.warning-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.warning-card { padding: 22px; border-color: #fed7aa; background: var(--warning-bg); }
.warning-card h3 { color: var(--warning); margin-bottom: 8px; }
.warning-card p { color: #7c4a12; margin: 0; }
.medical-note {
  margin: 28px 0 0; padding: 22px; border-radius: var(--radius);
  background: #0f766e; color: #fff; font-weight: 800; text-align: center;
}

.author-grid { display: grid; grid-template-columns: minmax(280px, .72fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.author-image { border-radius: 30px; padding: 14px; background: #fff; box-shadow: var(--shadow); }
.author-copy .lead { font-size: 19px; color: #314641; }
.author-copy p { color: var(--muted); }
.experience-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 26px; }
.experience-grid article { padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.experience-grid strong, .experience-grid span { display: block; }
.experience-grid span { margin-top: 8px; color: var(--muted); font-size: 13px; }

.faq-list { display: grid; gap: 12px; max-width: 900px; }
details {
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
  padding: 0 20px; box-shadow: 0 10px 28px rgba(16,32,30,.04);
}
summary { cursor: pointer; padding: 20px 0; font-weight: 800; list-style: none; }
summary::-webkit-details-marker { display: none; }
details p { color: var(--muted); padding-bottom: 20px; margin: 0; }

.contact-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.contact-card { padding: 22px; min-height: 154px; display: flex; flex-direction: column; justify-content: space-between; }
.contact-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 15px;
  box-shadow: 0 12px 26px rgba(15,118,110,.18);
}
.contact-icon svg { width: 24px; height: 24px; fill: currentColor; }
.contact-card span { color: var(--muted); font-size: 13px; font-weight: 700; }
.contact-card .contact-icon { color: #fff; }
.contact-card strong { color: var(--primary); overflow-wrap: anywhere; }

.site-footer { padding: 56px 0 28px; background: #0a1f1d; color: #dbe9e7; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .8fr .8fr .4fr; gap: 34px; }
.footer-brand { color: #fff; }
.site-footer p { color: #a9bfbc; max-width: 360px; margin: 16px 0 0; }
.site-footer nav { display: grid; gap: 10px; align-content: start; }
.site-footer a { color: #dbe9e7; }
.site-footer a:hover { color: #5eead4; }
.socials { display: flex; gap: 10px; }
.socials a { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.16); border-radius: 14px; }
.footer-bottom {
  margin-top: 34px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12);
  display: flex; justify-content: space-between; gap: 18px; color: #9fb5b2; font-size: 14px;
}

.legal-main { padding: 70px 0; }
.legal-card {
  max-width: 920px; margin: 0 auto; padding: clamp(24px, 5vw, 56px);
  background: #fff; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow);
}
.legal-card h1 { font-size: clamp(34px, 5vw, 56px); }
.legal-card h2 { margin-top: 34px; }
.legal-card p, .legal-card li { color: var(--muted); }
.not-found { min-height: 76vh; display: grid; place-items: center; text-align: center; }
.not-found h1 { color: var(--primary); }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1040px) {
  .header-cta { display: none; }
  .nav { gap: 14px; }
  .hero-grid, .author-grid { grid-template-columns: 1fr; }
  .hero-media { max-width: 560px; margin-inline: auto; }
  .icon-grid, .advantage-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .program-grid, .warning-grid, .contact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .experience-grid, .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 24px, var(--container)); }
  .section { padding: 64px 0; }
  .header-inner { min-height: 68px; }
  .menu-toggle { display: inline-flex; margin-left: auto; }
  .nav {
    position: fixed; left: 12px; right: 12px; top: 78px; margin: 0; padding: 14px;
    display: grid; gap: 4px; background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius); box-shadow: var(--shadow);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .legal-nav {
    position: static; opacity: 1; visibility: visible; transform: none;
    display: flex; flex-wrap: wrap; padding: 0; border: 0; box-shadow: none; background: transparent;
  }
  .nav a { padding: 12px; border-radius: 12px; }
  .nav a:hover { background: rgba(20,184,166,.1); }
  h1 {
    max-width: 100%;
    font-size: clamp(30px, 9vw, 42px);
    line-height: 1.12;
  }
  .hero { min-height: auto; padding-top: 30px; }
  .hero-grid { gap: 36px; }
  .stats, .icon-grid, .program-grid, .advantage-grid, .warning-grid, .experience-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .program-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .module-card { min-height: 112px; padding: 14px; }
  .module-card h3 { font-size: 14px; line-height: 1.25; }
  .trust-card { position: static; width: auto; margin-top: -10px; }
  .footer-bottom { flex-direction: column; }
}