:root {
  --bg: #f5f7f9;
  --surface: #ffffff;
  --surface-2: #eef2f5;
  --text: #162127;
  --muted: #5a6a73;
  --primary: #143640;
  --primary-2: #1d97c7;
  --border: #dce4e8;
  --shadow: 0 18px 40px rgba(20, 54, 64, 0.08);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}
.narrow { width: min(760px, 100%); margin-inline: auto; }
.section { padding: 72px 0; }
.section-alt { background: linear-gradient(180deg, #f0f4f7 0%, #eef3f5 100%); }
.center { text-align: center; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(245, 247, 249, 0.92);
  border-bottom: 1px solid rgba(220, 228, 232, 0.9);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 82px;
}
.brand img { width: 170px; }
.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.95rem;
}
.main-nav a:hover { color: var(--primary-2); }
.menu-toggle {
  display: none;
  font-size: 1.5rem;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.hero {
  padding-top: 42px;
  background:
    radial-gradient(circle at top right, rgba(29, 151, 199, 0.12), transparent 32%),
    radial-gradient(circle at top left, rgba(20, 54, 64, 0.08), transparent 28%),
    var(--bg);
}
.hero-grid,
.feature-grid,
.offer-grid,
.order-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 34px;
  align-items: center;
}
.hero-logo {
  width: 220px;
  margin-bottom: 16px;
}
h1, h2, h3 {
  margin: 0 0 16px;
  line-height: 1.15;
}
h1 { font-size: clamp(2rem, 4vw, 3.45rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 16px; color: var(--muted); }
.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--primary-2);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}
.hero-points,
.offer-list,
.order-badges {
  list-style: none;
  margin: 0;
  padding: 0;
}
.hero-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0;
}
.hero-points li,
.offer-list li,
.order-badges span {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 14px;
  color: var(--primary);
  box-shadow: var(--shadow);
}
.hero-price {
  font-size: 1.3rem;
  color: var(--primary);
  margin: 8px 0 24px;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  color: white;
  font-weight: 700;
  border: 0;
  cursor: pointer;
  box-shadow: 0 16px 30px rgba(29, 151, 199, 0.22);
}
.btn:hover { transform: translateY(-1px); }
.btn-secondary {
  background: white;
  color: var(--primary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.btn-small {
  min-height: 42px;
  padding-inline: 18px;
}
.hero-media img,
.feature-media img,
.offer-media img { width: 100%; }

.gallery-grid,
.benefits-grid {
  display: grid;
  gap: 22px;
}
.gallery-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.gallery-grid .wide {
  grid-column: span 2;
}
.gallery-section .card {
  padding: 10px;
  background: white;
}
.section-note {
  max-width: 760px;
  text-align: center;
  margin: 24px auto 20px;
}
.benefits-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.benefit {
  padding: 20px;
}
.benefit img {
  width: 100%;
  border-radius: 18px;
  margin-bottom: 18px;
  background: #f4f6f8;
}
.old-price {
  text-decoration: line-through;
  color: #7e8a90;
}
.offer-list {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}
.order-section {
  background: linear-gradient(180deg, #ffffff 0%, #f6f9fb 100%);
}
.order-grid {
  align-items: start;
}
.order-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.order-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  display: grid;
  gap: 14px;
}
.order-form label {
  display: grid;
  gap: 8px;
  color: var(--primary);
  font-weight: 700;
}
.order-form input,
.order-form textarea {
  width: 100%;
  border: 1px solid #ccd8de;
  border-radius: 14px;
  padding: 14px 16px;
  font: inherit;
  color: var(--text);
  background: #fbfdfe;
}
.form-hint {
  font-size: 0.92rem;
  margin-bottom: 0;
}
.site-footer {
  padding: 24px 0 36px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}
.footer-wrap p {
  margin: 0;
}

@media (max-width: 900px) {
  .hero-grid,
  .feature-grid,
  .offer-grid,
  .order-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  .benefits-grid { gap: 18px; }
  .main-nav {
    position: absolute;
    right: 16px;
    top: 78px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    min-width: 240px;
    padding: 14px;
    background: rgba(255,255,255,0.98);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .menu-toggle { display: block; }
}

@media (max-width: 640px) {
  .section { padding: 56px 0; }
  .hero-points,
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .gallery-grid .wide { grid-column: span 1; }
  .footer-wrap {
    flex-direction: column;
    align-items: flex-start;
  }
}


.buy-form-slot {
  background: var(--surface);
  border: 1px dashed #9fb4bf;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 24px;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--primary);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.5vw, 1.8rem);
  background-image: linear-gradient(180deg, #ffffff 0%, #f7fbfd 100%);
}