:root {
  --bg: #0f1419;
  --bg-alt: #161d24;
  --card: #1c242e;
  --text: #e8edf2;
  --muted: #9aa7b4;
  --accent: #25d366;
  --accent-dark: #1da851;
  --line: #2a3440;
  --radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(15, 20, 25, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; gap: 20px;
  padding-top: 12px; padding-bottom: 12px;
}
.brand { font-size: 1.4rem; font-weight: 800; color: var(--text); text-decoration: none; letter-spacing: .5px; }
.main-nav { display: flex; gap: 18px; margin-left: auto; }
.main-nav a { color: var(--muted); text-decoration: none; font-weight: 600; }
.main-nav a:hover { color: var(--text); }
.menu-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 6px 12px; font-size: 1.1rem; cursor: pointer; }

/* Buttons */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px;
  font-weight: 700; text-decoration: none; border: none; cursor: pointer;
  transition: transform .12s ease, background .12s ease;
}
.btn:active { transform: scale(.97); }
.btn-wa { background: var(--accent); color: #062b16; }
.btn-wa:hover { background: var(--accent-dark); }
.btn-ghost { border: 1px solid var(--line); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--muted); }
.btn-sm { padding: 8px 16px; font-size: .9rem; }

/* Hero */
.hero { padding: 84px 0 72px; background: radial-gradient(900px 420px at 20% 0%, #1b2b1f 0%, var(--bg) 60%); }
.kicker { color: var(--accent); font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; font-size: .85rem; margin-bottom: 12px; }
.hero h1 { font-size: clamp(1.9rem, 5vw, 3rem); line-height: 1.15; margin-bottom: 14px; }
.lede { color: var(--muted); font-size: 1.1rem; max-width: 620px; margin-bottom: 26px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* Sections */
.section { padding: 64px 0; }
.section-alt { background: var(--bg-alt); }
.section h2 { font-size: 1.7rem; margin-bottom: 28px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .95rem; }

/* Product */
.product {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px; align-items: start;
}
.product-gallery img#hpMain { width: 100%; border-radius: 10px; aspect-ratio: 4/3; object-fit: cover; background: #000; }
.thumbs { display: flex; gap: 10px; margin-top: 10px; }
.thumb { border: 2px solid transparent; border-radius: 8px; padding: 0; cursor: pointer; background: none; overflow: hidden; width: 84px; height: 64px; }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb.active { border-color: var(--accent); }
.product-info h3 { font-size: 1.4rem; margin-bottom: 6px; }
.price { font-size: 1.6rem; font-weight: 800; color: var(--accent); margin-bottom: 14px; }
.specs { list-style: none; margin-bottom: 14px; }
.specs li { padding: 6px 0 6px 22px; position: relative; color: var(--text); font-size: .96rem; border-bottom: 1px solid var(--line); }
.specs li::before { content: "✓"; position: absolute; left: 2px; color: var(--accent); font-weight: 700; }
.location { color: var(--muted); font-size: .9rem; margin-bottom: 16px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.channel {
  display: block; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px 20px; margin-bottom: 14px;
  text-decoration: none; color: var(--text);
}
.channel:hover { border-color: var(--accent); }
.channel strong { display: block; font-size: 1.05rem; }
.channel span { color: var(--accent); font-weight: 600; }
.contact-form { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.contact-form h3 { margin-bottom: 16px; }
.contact-form label { display: block; margin-bottom: 14px; font-weight: 600; font-size: .92rem; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; margin-top: 6px; padding: 11px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg); color: var(--text); font-size: 1rem;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: none; border-color: var(--accent); }
.form-note { color: var(--muted); font-size: .85rem; margin-top: 10px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 24px 0; color: var(--muted); font-size: .9rem; text-align: center; }

/* Floating WhatsApp */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%;
  background: var(--accent); display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, .35);
}
.wa-float:hover { background: var(--accent-dark); }

/* Mobile */
@media (max-width: 760px) {
  .main-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg-alt); flex-direction: column; padding: 12px 20px 18px;
    border-bottom: 1px solid var(--line); gap: 12px;
  }
  .main-nav.open { display: flex; }
  .menu-toggle { display: block; margin-left: auto; }
  .site-header .btn-sm { display: none; }
  .product, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding: 60px 0 52px; }
}