:root {
  --bg: #f3f4f6;
  --card: #ffffff;
  --muted: #4b5563;
  --brand: #64748b;
  --brand-600: #475569;
  --accent: #16a34a;
  --text: #111827;
  --ring: rgba(100,116,139,.25);
  --shadow: 0 10px 30px rgba(17,24,39,.08);
  --radius: 16px;
  --radius-sm: 12px;
  --gap: clamp(14px, 2vw, 22px);
  --container: min(1200px, 92vw);
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
img, video { max-width: 100%; height: auto; display:block; }
body { margin:0; font-family: var(--font); color: var(--text);
  background: radial-gradient(1200px 600px at 80% -10%, #e5e7eb 0%, var(--bg) 65%), linear-gradient(180deg, #fff, #f7f7f7);
}
nav { position: sticky; top:0; z-index: 50; backdrop-filter: saturate(1.1) blur(10px); background: rgba(255,255,255,.75); border-bottom: 1px solid rgba(17,24,39,.08); }
.nav-inner { width: var(--container); margin: 0 auto; display:flex; align-items:center; justify-content:space-between; padding:12px 4px; }
.brand { display:flex; align-items:center; gap:10px; font-weight:800; }
.brand .logo { width:34px; height:34px; border-radius:10px; display:grid; place-items:center; color:#111827; font-weight:900; background: linear-gradient(135deg, #d1d5db, var(--brand)); box-shadow: var(--shadow); }
.nav-links { display:flex; gap:10px; flex-wrap: wrap; }
.nav-links a { text-decoration:none; color: var(--text); font-weight:600; padding:10px 14px; border-radius: 999px; border:1px solid rgba(17,24,39,.06); background: rgba(255,255,255,.6); }
.nav-links a:hover { border-color: rgba(17,24,39,.15); background: #fff; }

.hero { width: var(--container); margin: 32px auto 0; display:grid; grid-template-columns: 1.1fr .9fr; gap: var(--gap); align-items: stretch; padding: clamp(16px, 3vw, 28px) 4px 32px; }
.hero > * { min-width: 0; }
.hero-copy { background: linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,255,255,.8)); padding: clamp(14px, 2.2vw, 20px); border:1px solid rgba(17,24,39,.08); border-radius: var(--radius); box-shadow: var(--shadow); }
.eyebrow { color: var(--brand-600); font-weight:700; letter-spacing:.12em; text-transform: uppercase; font-size: 12px; }
h1 { margin: 6px 0 10px; font-size: clamp(28px, 5vw, 46px); line-height: 1.1; overflow-wrap:anywhere; }
.sub { color: var(--muted); font-size: clamp(14px, 2.1vw, 18px); }
.price { margin: 18px 0 14px; font-size: clamp(28px, 4vw, 42px); font-weight: 900; }
.cta { display:flex; gap:12px; align-items:center; flex-wrap: wrap; }
.btn { cursor:pointer; border:none; outline: none; font-weight: 800; padding: 14px 22px; border-radius: 12px; box-shadow: var(--shadow); transition: transform .08s ease, box-shadow .2s ease, background .2s ease; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(135deg, #cbd5e1, var(--brand)); color:#111827; }
.btn-primary:hover { background: linear-gradient(135deg, #e5e7eb, var(--brand-600)); }
.pill { display:inline-flex; gap:8px; align-items:center; padding:8px 12px; border-radius:999px; background: rgba(100,116,139,.12); color: var(--brand-600); border:1px solid rgba(100,116,139,.25); font-weight:700; width:max-content; max-width:100%; white-space:normal; flex-wrap:wrap; }

.hero-media { display:flex; width:100%; }
.carousel { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(17,24,39,.08); background: #ffffff; height: 100%; min-height: 320px; width:100%; aspect-ratio: 1 / 1; }
.slides { width:100%; height:100%; display:flex; translate: 0 0; transition: translate .45s ease; will-change: transform; }
.slides img { width:100%; height:100%; object-fit: cover; flex: 0 0 100%; }
.car-nav { position:absolute; inset: 0; display:flex; justify-content:space-between; align-items:center; padding: 0 6px; pointer-events:none; }
.car-btn { pointer-events: all; width:40px; height:40px; display:grid; place-items:center; border-radius: 999px; border:1px solid rgba(17,24,39,.12); background: rgba(255,255,255,.85); backdrop-filter: blur(6px); cursor:pointer; }
.dots { position:absolute; bottom: 8px; left:0; right:0; display:flex; justify-content:center; gap:8px; }
.dot { width:8px; height:8px; border-radius:999px; background: rgba(0,0,0,.25); }
.dot.active { background: #111827; }

section { width: var(--container); margin: 0 auto; padding: 32px 4px; }
.section-title { font-size: clamp(22px, 3.5vw, 34px); margin: 4px 0 18px; text-align: center; }
.section-sub { color: var(--muted); max-width: 70ch; }
.center { text-align:center; margin-left:auto; margin-right:auto; }

.grid-4 { display:grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); }
.card { background: var(--card); border:1px solid rgba(17,24,39,.08); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.benefit .icon-wrap { width:44px; height:44px; background: rgba(100,116,139,.15); border:1px solid rgba(100,116,139,.25); border-radius: 10px; display:grid; place-items:center; margin-bottom: 8px; }
.benefit h3 { margin: 6px 0 8px; font-size: 18px; }
.benefit p { margin:0; color: var(--muted); font-size: 15px; }

.desc { display:block; }
.desc p { color: var(--muted); line-height:1.7; }
.desc-gallery { display:grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); margin-top: 16px; }
.desc-gallery img { width:100%; height: 240px; object-fit: cover; border-radius: var(--radius-sm); border:1px solid rgba(17,24,39,.08); }

.reviews { display:grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.review .name { font-weight:800; margin-bottom: 6px; }
.review .stars { color: var(--accent); margin-bottom: 8px; }
.review .quote { color: var(--muted); }

#order { scroll-margin-top: 70px; }
form { background: var(--card); border:1px solid rgba(17,24,39,.08); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); max-width: 640px; margin: 0 auto; }
.field { display:grid; gap:8px; margin-bottom: 14px; }
label { font-weight:700; font-size: 14px; }
input, textarea { width:100%; padding: 12px 14px; border-radius: 12px; background: #ffffff; color: var(--text); border:1px solid rgba(17,24,39,.18); outline: none; }
input:focus, textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 6px var(--ring); }
.help { color: var(--muted); font-size: 13px; }
.form-actions { display:flex; gap:10px; align-items:center; justify-content:flex-start; margin-top: 8px; }
.note { color: var(--muted); font-size: 12px; }
.hide { display:none; }

footer { margin-top: 28px; padding: 28px 0 48px; background: #e5e7eb; border-top: 1px solid rgba(17,24,39,.08); }
.footer-inner { width: var(--container); margin: 0 auto; display:grid; grid-template-columns: 1.2fr .8fr; gap: var(--gap); }
.cols { display:grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.cols h4 { margin:0 0 10px; }
.cols a, .cols p { color: var(--muted); text-decoration:none; }

@media (max-width: 1024px) { .hero { grid-template-columns: 1fr 1fr; } }
@media (max-width: 860px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .reviews { grid-template-columns: 1fr; }
  .desc-gallery { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  section, .nav-inner { width: 100%; max-width: 100%; padding-left: 12px; padding-right: 12px; }
  .hero { grid-template-columns: 1fr; padding: 16px 0 24px; }
  .hero-copy, .hero-media { min-width: 0; }
  .carousel { height: auto; min-height: 240px; aspect-ratio: 1 / 1; }
  .slides { height: auto; }
  .slides img { height: auto; object-fit: contain; }
  .cols { grid-template-columns: 1fr; row-gap: 14px; }
  html, body { overflow-x: hidden; }
}
@media (max-width: 520px) { .desc-gallery img { height: 180px; }
}
