:root {
  --navy: #0b2347;
  --navy-2: #07172f;
  --blue: #173a72;
  --yellow: #f4c400;
  --red: #d71920;
  --white: #ffffff;
  --light: #f4f7fb;
  --muted: #6b7280;
  --border: rgba(255,255,255,.16);
  --shadow: 0 24px 60px rgba(2, 8, 23, .18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #0f172a;
  background: var(--white);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 23, 47, .94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.header-inner { min-height: 82px; display: flex; align-items: center; gap: 28px; }
.brand img { width: 270px; height: auto; }
.nav { margin-left: auto; display: flex; gap: 24px; }
.nav a { color: rgba(255,255,255,.86); font-weight: 700; font-size: 14px; letter-spacing: .02em; }
.nav a:hover { color: var(--yellow); }
.header-phone { color: var(--navy-2); background: var(--yellow); padding: 10px 14px; border-radius: 999px; font-weight: 800; white-space: nowrap; }

.section { padding: 92px 0; }
.section-photo, .photo-band {
  position: relative;
  color: var(--white);
  background-size: cover;
  background-position: center;
  isolation: isolate;
}
.hero {
  min-height: 720px;
  display: flex;
  align-items: center;
  background-image: linear-gradient(90deg, rgba(7,23,47,.94), rgba(7,23,47,.72), rgba(7,23,47,.35)), url('https://images.unsplash.com/photo-1584515933487-779824d29309?auto=format&fit=crop&w=1800&q=80');
}
.overlay { position: absolute; inset: 0; background: radial-gradient(circle at 20% 20%, rgba(244,196,0,.17), transparent 28%), linear-gradient(120deg, rgba(7,23,47,.64), rgba(7,23,47,.22)); z-index: -1; }
.hero-content { max-width: 820px; }
.eyebrow { margin: 0 0 12px; color: var(--yellow); text-transform: uppercase; letter-spacing: .16em; font-weight: 900; font-size: 13px; }
.eyebrow.dark { color: var(--red); }
h1, h2, h3 { line-height: 1.12; margin-top: 0; }
h1 { font-size: clamp(42px, 6vw, 72px); margin-bottom: 24px; letter-spacing: -0.04em; }
h2 { font-size: clamp(32px, 4vw, 48px); letter-spacing: -0.03em; margin-bottom: 20px; }
h3 { font-size: 22px; margin-bottom: 12px; }
.lead { font-size: 21px; max-width: 760px; color: rgba(255,255,255,.88); margin-bottom: 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 22px; border-radius: 12px; font-weight: 900; border: 2px solid transparent; cursor: pointer; }
.btn-primary { background: var(--yellow); color: var(--navy-2); }
.btn-primary:hover { filter: brightness(.95); }
.btn-secondary { background: rgba(255,255,255,.08); color: var(--white); border-color: rgba(255,255,255,.28); }
.btn-secondary:hover { background: rgba(255,255,255,.14); }

.info-strip { background: var(--navy-2); color: var(--white); border-top: 4px solid var(--yellow); }
.strip-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; }
.strip-grid div { padding: 24px 18px; border-left: 1px solid rgba(255,255,255,.12); }
.strip-grid div:last-child { border-right: 1px solid rgba(255,255,255,.12); }
.strip-grid strong { display: block; color: var(--yellow); font-size: 18px; }
.strip-grid span { color: rgba(255,255,255,.72); }

.two-col { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.reverse { grid-template-columns: .85fr 1.15fr; }
.about { background: var(--light); }
.card { border-radius: 24px; padding: 34px; box-shadow: var(--shadow); }
.highlight-card { background: linear-gradient(145deg, var(--navy), var(--blue)); color: var(--white); border-top: 6px solid var(--yellow); }
.check-list { padding-left: 0; list-style: none; margin: 0; }
.check-list li { position: relative; padding-left: 28px; margin: 14px 0; }
.check-list li::before { content: ''; position: absolute; left: 0; top: 9px; width: 10px; height: 10px; background: var(--yellow); border-radius: 50%; box-shadow: 0 0 0 4px rgba(244,196,0,.16); }

.section-heading { max-width: 780px; margin-bottom: 42px; }
.section-heading p { color: var(--muted); font-size: 18px; }
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.training-card { background: var(--white); padding: 28px; border-radius: 22px; box-shadow: 0 14px 40px rgba(15,23,42,.08); border: 1px solid #e5e7eb; position: relative; overflow: hidden; }
.training-card::after { content: ''; position: absolute; inset: auto 0 0 0; height: 5px; background: linear-gradient(90deg, var(--yellow), var(--red)); }
.card-number { display: inline-block; color: var(--red); font-weight: 900; margin-bottom: 14px; letter-spacing: .08em; }
.training-card p { color: #475569; margin-bottom: 12px; }

.photo-band {
  min-height: 420px;
  display: flex;
  align-items: center;
  background-image: linear-gradient(90deg, rgba(7,23,47,.92), rgba(7,23,47,.52)), url('https://images.unsplash.com/photo-1516549655169-df83a0774514?auto=format&fit=crop&w=1800&q=80');
}
.photo-band-content { max-width: 820px; }
.photo-band p { font-size: 20px; color: rgba(255,255,255,.84); }

.why { background: var(--white); }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.feature { padding: 26px; border-radius: 20px; background: var(--light); border: 1px solid #e5e7eb; }
.feature h3 { color: var(--navy); }
.feature p { color: #475569; margin-bottom: 0; }

.audience { background: linear-gradient(145deg, #eef3fa, #ffffff); }
.dark-card { color: var(--white); background: var(--navy-2); border-left: 6px solid var(--yellow); }
.audience-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.audience-list span { display: block; padding: 18px 20px; background: var(--white); border: 1px solid #e5e7eb; border-radius: 16px; font-weight: 800; color: var(--navy); box-shadow: 0 8px 24px rgba(15,23,42,.06); }

.contact { background: var(--light); }
.contact-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 44px; align-items: start; }
.contact-box { margin-top: 28px; padding: 26px; background: var(--white); border-radius: 20px; border-left: 6px solid var(--yellow); box-shadow: 0 12px 35px rgba(15,23,42,.08); }
.contact-box p { margin: 8px 0; }
.contact-box a { color: var(--blue); font-weight: 800; }
.contact-form { background: var(--white); padding: 30px; border-radius: 24px; box-shadow: var(--shadow); }
.contact-form label { display: block; font-weight: 800; color: var(--navy); margin-bottom: 16px; }
.contact-form input, .contact-form textarea { width: 100%; margin-top: 6px; border: 1px solid #d1d5db; border-radius: 12px; padding: 14px 15px; font: inherit; color: #0f172a; background: #fbfdff; }
.contact-form input:focus, .contact-form textarea:focus { outline: 3px solid rgba(244,196,0,.25); border-color: var(--yellow); }
.form-note { color: var(--muted); font-size: 13px; margin-bottom: 0; }

.footer { background: var(--navy-2); color: rgba(255,255,255,.76); padding: 28px 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer p { margin: 0; }

@media (max-width: 980px) {
  .nav { display: none; }
  .header-phone { margin-left: auto; }
  .hero { min-height: 640px; }
  .strip-grid, .cards-grid, .features-grid { grid-template-columns: repeat(2, 1fr); }
  .two-col, .reverse, .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1160px); }
  .brand img { width: 210px; }
  .header-inner { gap: 12px; min-height: 72px; }
  .header-phone { display: none; }
  .section { padding: 64px 0; }
  .hero { min-height: 620px; }
  .lead { font-size: 18px; }
  .strip-grid, .cards-grid, .features-grid, .audience-list { grid-template-columns: 1fr; }
  .card, .contact-form { padding: 24px; }
}