:root {
  --bg: #08111f;
  --bg-soft: #0f172a;
  --card: rgba(255,255,255,0.08);
  --line: rgba(255,255,255,0.12);
  --text: #e5eefb;
  --muted: #b6c4dd;
  --primary: #f97316;
  --primary-2: #fb923c;
  --accent: #22c55e;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(0,0,0,0.25);
  --radius: 24px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(249,115,22,.20), transparent 35%),
    radial-gradient(circle at top right, rgba(34,197,94,.14), transparent 25%),
    linear-gradient(180deg, #07101d 0%, #0b1324 100%);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.section { padding: 84px 0; }
.topbar {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(8,17,31,0.72);
  border-bottom: 1px solid var(--line);
}
.nav {
  min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 18px;
}
.brand { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.04em; }
.brand span { color: var(--primary-2); }
nav { display: flex; gap: 20px; flex-wrap: wrap; }
nav a { color: var(--muted); font-weight: 600; }
nav a:hover { color: var(--white); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 15px 24px; font-weight: 800; transition: .25s ease;
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #1c1108; box-shadow: 0 18px 30px rgba(249,115,22,.28);
}
.btn-secondary { border-color: var(--line); color: var(--white); background: rgba(255,255,255,.03); }
.btn-small { padding: 12px 18px; background: rgba(255,255,255,.06); border-color: var(--line); }
.full { width: 100%; }
.hero { padding: 72px 0 36px; }
.hero-grid, .split {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 42px; align-items: center;
}
.hero-copy h1, .section-title h2, .split h2, .center-block h2 {
  margin: 12px 0 18px; font-size: clamp(2.2rem, 5vw, 4.2rem); line-height: 1.02; letter-spacing: -0.05em;
}
.lead { font-size: 1.1rem; color: var(--muted); max-width: 62ch; }
.pill, .eyebrow, .tag, .section-title span {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 999px; font-size: .84rem; font-weight: 800;
  color: #ffe4ce; background: rgba(249,115,22,.13); border: 1px solid rgba(249,115,22,.25);
}
.hero-points { margin: 26px 0; display: grid; gap: 10px; }
.hero-points div, .usage-steps div { color: var(--text); background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 14px 16px; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin: 28px 0 14px; }
.note { color: #99acc9; display: block; max-width: 70ch; }
.product-card, .mockup-box, .formula-box {
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  border: 1px solid var(--line); border-radius: 30px; box-shadow: var(--shadow); padding: 20px;
}
.product-card img { margin: 0 auto; max-height: 620px; object-fit: contain; }
.section-title { margin-bottom: 28px; }
.section-title.center, .center-block { text-align: center; }
.section-title h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
.grid { display: grid; gap: 22px; }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.card, .kit-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow);
}
.card h3, .kit-card h3 { margin: 12px 0 10px; font-size: 1.25rem; }
.card p, .kit-card p, .kit-card small, .footer p, .faq p { color: var(--muted); }
.highlight { background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.04)); }
.check-list { list-style: none; margin: 20px 0 28px; padding: 0; display: grid; gap: 12px; }
.check-list li {
  background: rgba(34,197,94,.08); border: 1px solid rgba(34,197,94,.18); color: #dcfce7;
  padding: 14px 16px; border-radius: 18px;
}
.gallery-section { padding-top: 40px; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gallery img {
  width: 100%; height: 100%; min-height: 320px; object-fit: cover;
  border-radius: 24px; border: 1px solid var(--line); box-shadow: var(--shadow);
}
.kits { position: relative; }
.kit-card { text-align: left; }
.kit-card .price { font-size: 2rem; font-weight: 800; margin: 18px 0 4px; }
.kit-card.featured {
  border-color: rgba(249,115,22,.55); transform: scale(1.03);
  background: linear-gradient(180deg, rgba(249,115,22,.14), rgba(255,255,255,.06));
}
.security .icon-card { text-align: center; }
.icon { font-size: 2rem; }
.reverse { grid-template-columns: .95fr 1.05fr; }
.usage-steps { display: grid; gap: 12px; margin: 26px 0 30px; }
.guarantee {
  background: linear-gradient(135deg, rgba(249,115,22,.10), rgba(34,197,94,.08));
}
.faq-list { max-width: 900px; margin: 0 auto; display: grid; gap: 14px; }
details {
  background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 20px 22px;
}
summary { cursor: pointer; font-weight: 700; }
summary::-webkit-details-marker { display: none; }
details p { margin: 14px 0 0; line-height: 1.7; }
.footer { border-top: 1px solid var(--line); padding: 36px 0 60px; background: rgba(0,0,0,.18); }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 24px; }
.footer h4 { margin-top: 0; margin-bottom: 14px; }
.footer a { display: block; color: var(--muted); margin-bottom: 10px; }
.footer a:hover { color: var(--white); }
.center-block { max-width: 820px; margin: 0 auto; }
@media (max-width: 1024px) {
  .cards-4, .gallery, .footer-grid, .hero-grid, .split, .reverse { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 840px) {
  nav { display: none; }
  .hero-grid, .split, .reverse, .cards-4, .gallery, .footer-grid { grid-template-columns: 1fr; }
  .hero-copy h1, .section-title h2, .split h2, .center-block h2 { font-size: clamp(2rem, 8vw, 3rem); }
  .section { padding: 64px 0; }
  .kit-card.featured { transform: none; }
}
@media (max-width: 560px) {
  .container { width: min(100% - 20px, 1180px); }
  .btn { width: 100%; }
  .cta-row { flex-direction: column; }
  .gallery img { min-height: 220px; }
}