@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Poppins:wght@600;700&display=swap');

:root {
  --brand: #205078;
  --brand-dark: #173B59;
  --brand-soft: #EAF1F6;
  --accent: #D99432;
  --accent-dark: #BC7620;
  --text: #17303F;
  --muted: #58707D;
  --bg: #FFFFFF;
  --border: #DCE6EC;
  --container: 1120px;
  --radius: 16px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

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

a { color: inherit; }

h1, h2, h3 {
  margin: 0 0 0.75em;
  font-family: 'Poppins', sans-serif;
  line-height: 1.15;
  color: var(--brand-dark);
}

h1 { font-size: clamp(2rem, 6vw, 4.25rem); font-weight: 700; }
h2 { font-size: clamp(1.65rem, 4vw, 2.7rem); font-weight: 700; }
h3 { font-size: clamp(1.15rem, 2vw, 1.35rem); font-weight: 700; }

p { margin: 0 0 1rem; }

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.narrow { max-width: 760px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand img { width: 150px; height: auto; }

nav { display: flex; gap: 20px; }

nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-weight: 600;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.hero { padding: clamp(64px, 10vw, 120px) 0; }

.product-hero { background: linear-gradient(180deg, var(--brand-soft), #fff); }

.hero-content { max-width: 840px; }

.hero-grid {
  display: grid;
  gap: 40px;
  align-items: center;
}

.lead {
  max-width: 720px;
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--muted);
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--accent-dark);
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.section { padding: clamp(56px, 8vw, 96px) 0; }

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

.section-heading { max-width: 760px; margin-bottom: 36px; }

.media-frame {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: 0 16px 40px rgba(23,59,89,.10);
}

.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: 1fr; }

.check-list {
  margin: 0 0 28px;
  padding-left: 1.25rem;
}

.offer { background: var(--brand-dark); color: white; }

.offer-box { max-width: 680px; text-align: center; }

.offer h2 { color: white; }

.price-old {
  margin-bottom: 0;
  color: rgba(255,255,255,.7);
  text-decoration: line-through;
}

.price {
  margin-bottom: 24px;
  color: white;
  font-family: 'Poppins', sans-serif;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  line-height: 1;
}

.site-footer {
  padding: 28px 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); }
}

@media (min-width: 1025px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .container { width: min(100% - 24px, var(--container)); }
}

@media (max-width: 767px) {
  .product-page .site-header { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}