:root {
  --black: #111111;
  --panel: #1b1b1b;
  --yellow: #f5b800;
  --yellow-bright: #ffd02e;
  --text: #f2f2f2;
  --muted: #b5b5b5;
  --maxw: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--black);
  color: var(--text);
  line-height: 1.55;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

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

a { color: inherit; }

/* Header */
.site-header {
  background: #000;
  border-bottom: 3px solid var(--yellow);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.logo {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.logo-accent { color: var(--yellow); }
.header-phone {
  font-weight: 700;
  color: var(--yellow);
  text-decoration: none;
  white-space: nowrap;
}

/* Hero */
.hero {
  background:
    radial-gradient(circle at 80% 0%, rgba(245, 184, 0, 0.12), transparent 55%),
    var(--black);
  padding: 56px 0;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--yellow);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 10px;
}
.hero h1 {
  font-size: 2.8rem;
  line-height: 1.05;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.lead { color: var(--muted); font-size: 1.1rem; margin-bottom: 22px; }

.price-tag {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  background: var(--yellow);
  color: #000;
  padding: 8px 18px;
  border-radius: 8px;
  margin-bottom: 26px;
  font-weight: 800;
}
.price { font-size: 2.2rem; line-height: 1; }
.per { font-size: 1.1rem; }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-image img {
  border-radius: 12px;
  border: 3px solid var(--yellow);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: transform 0.08s ease, background 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--yellow); color: #000; }
.btn-primary:hover { background: var(--yellow-bright); }
.btn-ghost { border: 2px solid var(--yellow); color: var(--yellow); }
.btn-ghost:hover { background: rgba(245, 184, 0, 0.12); }
.btn-lg { font-size: 1.25rem; padding: 16px 32px; }

/* Details */
.details { padding: 60px 0; background: var(--panel); }
.details h2 {
  font-size: 2rem;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 36px;
}
.details h2::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  background: var(--yellow);
  margin: 12px auto 0;
}
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}
.detail-card {
  background: #000;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #2c2c2c;
}
.detail-card img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.detail-card figcaption {
  padding: 14px 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

.spec-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  text-align: center;
}
.spec-list li {
  background: #000;
  border: 1px solid #2c2c2c;
  border-radius: 10px;
  padding: 22px 12px;
  color: var(--muted);
}
.spec-list strong { display: block; color: var(--yellow); font-size: 1.6rem; }

/* CTA band */
.cta-band { background: var(--yellow); color: #000; padding: 40px 0; }
.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band h2 { font-size: 1.8rem; text-transform: uppercase; }
.cta-band .btn-primary { background: #000; color: var(--yellow); }
.cta-band .btn-primary:hover { background: #1b1b1b; }

/* Footer */
.site-footer { background: #000; border-top: 3px solid var(--yellow); padding: 28px 0; }
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-brand { display: flex; flex-direction: column; }
.footer-brand strong { text-transform: uppercase; letter-spacing: 0.5px; }
.footer-brand span { color: var(--muted); font-size: 0.9rem; }
.footer-brand a { color: var(--yellow); text-decoration: none; }
.credit { color: #777; font-size: 0.85rem; }

/* Responsive */
@media (max-width: 820px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.2rem; }
  .detail-grid { grid-template-columns: 1fr; }
  .spec-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .header-inner { flex-direction: column; gap: 6px; }
  .spec-list { grid-template-columns: 1fr 1fr; }
}