/* ===== Base & tokens ===== */
:root {
  --bg: #0d0d0d;
  --bg-alt: #f7f5f2;
  --ink: #141414;
  --ink-soft: #55504a;
  --paper: #ffffff;
  --gold: #b68a4e;
  --gold-light: #d9b57c;
  --border: #e7e1d8;
  --radius: 14px;
  --shadow: 0 20px 40px -20px rgba(20, 20, 20, 0.25);
  --container: 1180px;
  --serif: "Playfair Display", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-alt: #17140f;
    --paper: #1b1712;
    --ink: #f2ede4;
    --ink-soft: #c9bfae;
    --border: #33291d;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--serif); line-height: 1.15; margin: 0 0 .5em; color: var(--ink); }
p { margin: 0 0 1em; color: var(--ink-soft); }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--gold); color: #12100d; }
.btn-primary:hover { background: var(--gold-light); }
.btn-outline { border-color: currentColor; color: var(--ink); }
.btn-lg { padding: 15px 30px; font-size: 16px; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,13,13,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  gap: 24px;
}
.logo {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: .5px;
  color: #f2ede4;
  flex-shrink: 0;
}
.logo span { color: var(--gold-light); font-weight: 500; }
.main-nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.main-nav a {
  color: #d8d2c6;
  font-size: 15px;
  font-weight: 500;
  transition: color .2s ease;
}
.main-nav a:hover { color: var(--gold-light); }
.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}
.phone-link {
  color: #f2ede4;
  font-weight: 600;
  font-size: 15px;
}
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.burger span {
  width: 22px;
  height: 2px;
  background: #f2ede4;
  border-radius: 2px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: var(--bg);
  color: #f2ede4;
  overflow: hidden;
  padding: 96px 0 64px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 60% at 85% 15%, rgba(182,138,78,0.35), transparent 60%),
    radial-gradient(50% 50% at 10% 90%, rgba(182,138,78,0.18), transparent 60%);
  pointer-events: none;
}
.hero-inner { position: relative; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-light);
  margin-bottom: 16px;
}
.hero h1 {
  font-size: clamp(38px, 6vw, 64px);
  color: #f8f5ef;
  max-width: 16ch;
}
.hero h1 span { color: var(--gold-light); }
.hero-lede {
  max-width: 620px;
  font-size: 18px;
  color: #cfc7b8;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 32px 0 56px;
}
.hero .btn-outline { color: #f2ede4; }
.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 28px;
}
.hero-meta-item { display: flex; flex-direction: column; gap: 4px; }
.hero-meta-item strong { font-size: 17px; color: #f8f5ef; }
.hero-meta-item span { font-size: 14px; color: #a89e8c; }

/* ===== Sections ===== */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }
.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 13px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  max-width: 18ch;
}
.section-lede { max-width: 640px; font-size: 17px; }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  margin-top: 36px;
  align-items: start;
}
.about-facts {
  display: grid;
  gap: 24px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.about-facts li { display: flex; flex-direction: column; gap: 4px; }
.about-facts strong { font-family: var(--serif); font-size: 26px; color: var(--gold); }
.about-facts span { font-size: 14px; color: var(--ink-soft); }

/* Tabs */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 36px 0 32px;
}
.tab-btn {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--paper);
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all .2s ease;
}
.tab-btn.active, .tab-btn:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.course-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}
.course-card h3 { font-size: 20px; margin-top: 4px; }
.course-card p { font-size: 14.5px; }
.course-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px dashed var(--border);
  padding-top: 14px;
  margin-top: 16px;
  font-size: 14px;
  color: var(--ink-soft);
}
.course-meta .price { font-weight: 700; color: var(--gold); font-family: var(--serif); font-size: 17px; }
.badge {
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  color: #fff;
}
.badge-hit { background: #b6432f; }
.badge-new { background: var(--gold); color: #12100d; }

/* Higher school */
.school-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 36px;
}
.school-card {
  background: var(--ink);
  color: #f2ede4;
  border-radius: var(--radius);
  padding: 34px;
}
.school-card h3 { color: #fff; font-size: 24px; }
.school-card p { color: #c9c2b4; }
.school-price {
  font-family: var(--serif);
  font-size: 30px;
  color: var(--gold-light);
  margin: 10px 0 6px;
}
.school-note { font-size: 13px; color: #9b9282; }

/* Advantages */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}
.advantage-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
}
.advantage-icon { font-size: 30px; margin-bottom: 14px; }
.advantage-card h3 { font-size: 18px; }
.advantage-card p { font-size: 14.5px; margin: 0; }

/* Contacts */
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 36px;
  align-items: stretch;
}
.contact-list { display: grid; gap: 20px; margin-bottom: 32px; }
.contact-list li { display: flex; flex-direction: column; gap: 4px; }
.contact-list strong { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--gold); }
.contact-list span { font-size: 16px; color: var(--ink); }
.contact-list a { text-decoration: underline; text-underline-offset: 3px; }

.contact-form {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: grid;
  gap: 16px;
}
.contact-form h3 { font-size: 20px; margin-bottom: 4px; }
.contact-form label {
  display: grid;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-soft);
}
.contact-form input {
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
}
.contact-form input:focus { outline: 2px solid var(--gold); outline-offset: 1px; }
.contact-form .btn { margin-top: 6px; }
.form-note { font-size: 13px; color: var(--gold); min-height: 18px; margin: 0; }

.contacts-map {
  min-height: 420px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.contacts-map iframe { width: 100%; height: 100%; border: 0; }

/* ===== Footer ===== */
.site-footer { background: var(--bg); color: #cfc7b8; padding: 56px 0 24px; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.site-footer .logo { color: #f2ede4; }
.site-footer p { color: #a89e8c; font-size: 14px; max-width: 32ch; }
.footer-nav { display: grid; gap: 10px; align-content: start; }
.footer-nav a { font-size: 14px; color: #cfc7b8; }
.footer-nav a:hover { color: var(--gold-light); }
.footer-contacts { display: grid; gap: 10px; align-content: start; font-size: 14px; }
.footer-contacts a { font-weight: 600; color: #f2ede4; }
.footer-bottom { padding-top: 20px; }
.footer-bottom p { font-size: 12.5px; color: #766e5f; margin: 0; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .main-nav { display: none; }
  .burger { display: flex; }
  .about-grid, .contacts-grid { grid-template-columns: 1fr; }
  .course-grid { grid-template-columns: repeat(2, 1fr); }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .school-grid { grid-template-columns: 1fr; }
  .hero-meta { grid-template-columns: 1fr; gap: 16px; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .course-grid, .advantages-grid { grid-template-columns: 1fr; }
  .header-actions .phone-link { display: none; }
  .site-header.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #0d0d0d;
    padding: 20px 24px 28px;
    gap: 18px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
}