/* ============================================================
   GDZ Motorsport — stylesheet
   Motorsport theme: deep black, racing red, sharp type.
   ============================================================ */

:root {
  --red: #e10600;
  --red-dark: #b00500;
  --black: #0a0a0c;
  --black-2: #121216;
  --black-3: #1a1a20;
  --gray: #8a8a93;
  --gray-light: #c9c9d1;
  --white: #f5f5f7;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 14px;
  --maxw: 1140px;
  --font-head: "Oswald", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-family: var(--font-head); font-weight: 700; line-height: 1.1; letter-spacing: 0.5px; }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); text-transform: uppercase; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); text-transform: uppercase; }
h3 { font-size: 1.3rem; }

a { color: inherit; text-decoration: none; }

.kicker {
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--red);
  margin-bottom: 12px;
}
.kicker.center { text-align: center; }
.center { text-align: center; }

.lead { color: var(--gray-light); font-size: 1.1rem; max-width: 640px; }
.lead.center { margin: 0 auto; }

.note { color: var(--gray); font-size: 0.95rem; margin-top: 28px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
  padding: 14px 28px; border-radius: 8px; cursor: pointer;
  border: 2px solid transparent; transition: all 0.2s ease; font-size: 0.95rem;
}
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(225, 6, 0, 0.35); }
.btn-ghost { background: transparent; color: var(--white); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--red); color: var(--red); }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; }
.btn-lg { padding: 18px 38px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s ease;
}
.site-header.scrolled { background: rgba(10, 10, 12, 0.97); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 20px; }

.logo { display: flex; align-items: center; }
.logo img { height: 46px; width: auto; display: block; }

.main-nav { display: flex; gap: 28px; }
.main-nav a {
  font-family: var(--font-head); font-weight: 500; text-transform: uppercase;
  letter-spacing: 1px; font-size: 0.95rem; color: var(--gray-light);
  position: relative; padding: 4px 0; transition: color 0.2s;
}
.main-nav a:hover, .main-nav a.active { color: var(--white); }
.main-nav a.active::after, .main-nav a:hover::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 100%; height: 2px; background: var(--red);
}

.header-right { display: flex; align-items: center; gap: 16px; }
.lang-switch { display: flex; gap: 2px; background: var(--black-3); border-radius: 8px; padding: 3px; }
.lang-switch button {
  font-family: var(--font-head); font-weight: 600; font-size: 0.8rem; letter-spacing: 1px;
  background: transparent; color: var(--gray); border: none; cursor: pointer;
  padding: 6px 11px; border-radius: 6px; transition: all 0.15s;
}
.lang-switch button:hover { color: var(--white); }
.lang-switch button.active { background: var(--red); color: #fff; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--white); transition: all 0.25s; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero { position: relative; padding: 130px 0 80px; overflow: hidden; min-height: 82vh; display: flex; align-items: center; }
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-color: var(--black);
  background-image:
    linear-gradient(to bottom, rgba(10,10,12,0.10) 58%, var(--black) 100%),
    linear-gradient(100deg, rgba(10,10,12,0.85) 0%, rgba(10,10,12,0.50) 36%, rgba(10,10,12,0.10) 66%, rgba(10,10,12,0.28) 100%),
    radial-gradient(circle at 80% 68%, rgba(225, 6, 0, 0.22), transparent 55%),
    url('../assets/hero.jpg');
  background-repeat: no-repeat;
  background-position: center, center, center, left 45%;
  background-size: cover, cover, cover, 145%;
}
.hero-content { position: relative; z-index: 1; }
.hero h1 { max-width: 14ch; margin-bottom: 20px; }
.hero-sub { font-size: 1.25rem; color: var(--gray-light); max-width: 540px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }

.hero-stats { display: flex; gap: 48px; flex-wrap: wrap; border-top: 1px solid var(--border); padding-top: 32px; }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-val { font-family: var(--font-head); font-weight: 700; font-size: 1.6rem; color: var(--white); }
.stat-label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px; color: var(--gray); }

/* ===== Sections ===== */
.section { padding: 90px 0; }
.section-dark { background: var(--black-2); }
.section h2 { margin-bottom: 16px; }
.section .lead { margin-bottom: 48px; }

/* ===== Cards (about) ===== */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 16px; }
.card {
  background: var(--black-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px 28px; transition: transform 0.2s, border-color 0.2s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(225, 6, 0, 0.4); }
.card-icon { font-size: 2rem; margin-bottom: 16px; }
.card h3 { margin-bottom: 10px; text-transform: uppercase; }
.card p { color: var(--gray-light); }

/* ===== Karts showcase ===== */
.karts-showcase { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 8px; }
.kart-card {
  background: var(--black); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: transform 0.2s, border-color 0.2s;
}
.kart-card:hover { transform: translateY(-5px); border-color: rgba(225, 6, 0, 0.4); }
.kart-card-img { position: relative; aspect-ratio: 4 / 3; background: #eceef1; overflow: hidden; }
.kart-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.kart-tag {
  position: absolute; top: 14px; left: 14px; z-index: 1; background: var(--red); color: #fff;
  font-family: var(--font-head); font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
  font-size: 0.72rem; padding: 5px 12px; border-radius: 6px;
}
.kart-card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.kart-card-body h3 { text-transform: uppercase; margin-bottom: 10px; }
.kart-card-body p { color: var(--gray-light); margin-bottom: 18px; flex: 1; }
.kart-spec { font-family: var(--font-head); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; font-size: 0.9rem; color: var(--red); }

/* ===== Pricing ===== */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; max-width: 1000px; margin: 0 auto; }
.price-card {
  position: relative; background: var(--black-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 40px 32px; display: flex; flex-direction: column;
}
.price-card.featured { border-color: var(--red); box-shadow: 0 0 0 1px var(--red), 0 20px 50px rgba(225, 6, 0, 0.12); }
.price-badge {
  position: absolute; top: -13px; left: 32px; background: var(--red); color: #fff;
  font-family: var(--font-head); font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
  font-size: 0.75rem; padding: 5px 14px; border-radius: 20px;
}
.price-card h3 { text-transform: uppercase; margin-bottom: 20px; }
.price { display: flex; align-items: baseline; gap: 8px; margin-bottom: 28px; }
.price-amount { font-family: var(--font-head); font-weight: 700; font-size: 2.8rem; color: var(--white); }
.price-unit { color: var(--gray); font-size: 1rem; }
.price-features { list-style: none; margin-bottom: 32px; flex: 1; }
.price-features li { padding: 10px 0 10px 28px; position: relative; color: var(--gray-light); border-bottom: 1px solid var(--border); }
.price-features li::before { content: "✓"; position: absolute; left: 0; color: var(--red); font-weight: 700; }

/* ===== Schedule ===== */
.schedule-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 760px; margin: 0 auto; }
.schedule-card {
  background: var(--black); border: 1px solid var(--border); border-left: 4px solid var(--red);
  border-radius: var(--radius); padding: 32px;
}
.schedule-card h3 { text-transform: uppercase; margin-bottom: 14px; }
.schedule-days { color: var(--gray-light); font-size: 1.05rem; margin-bottom: 4px; }
.schedule-hours { font-family: var(--font-head); font-weight: 700; font-size: 1.8rem; color: var(--red); }

/* ===== Shop CTA band ===== */
.shop-cta { background: linear-gradient(110deg, var(--black-2), var(--black)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.shop-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.shop-cta-inner h2 { margin: 8px 0 12px; }
.shop-cta-inner .lead { margin: 0; }

/* ===== Shop page ===== */
.shop-hero { padding: 120px 0 60px; background:
  radial-gradient(circle at 80% 0%, rgba(225, 6, 0, 0.18), transparent 50%), var(--black); }
.shop-hero h1 { margin: 12px 0 20px; }
.shop-hero .hero-sub { max-width: 680px; }
.back-link { color: var(--gray); font-size: 0.9rem; display: inline-block; margin-bottom: 24px; transition: color 0.2s; }
.back-link:hover { color: var(--red); }

.shop-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.shop-card {
  background: var(--black-2); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: transform 0.2s, border-color 0.2s;
}
.shop-card:hover { transform: translateY(-5px); border-color: rgba(225, 6, 0, 0.4); }
.shop-card-img {
  position: relative; aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center;
  background:
    repeating-linear-gradient(45deg, #16161c 0 18px, #101015 18px 36px);
  border-bottom: 1px solid var(--border);
}
.shop-card-img::after {
  content: attr(data-badge);
  font-family: var(--font-head); font-weight: 700; font-size: 4rem; color: rgba(225, 6, 0, 0.25);
  letter-spacing: 2px;
}
.shop-card-tag {
  position: absolute; top: 14px; left: 14px; background: var(--red); color: #fff;
  font-family: var(--font-head); font-weight: 600; text-transform: uppercase; letter-spacing: 1px;
  font-size: 0.75rem; padding: 5px 12px; border-radius: 6px;
}
.shop-card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.shop-card-body h3 { text-transform: uppercase; margin-bottom: 10px; }
.shop-card-body p { color: var(--gray-light); margin-bottom: 20px; flex: 1; }
.shop-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.shop-price-label { font-family: var(--font-head); font-weight: 600; color: var(--gray); text-transform: uppercase; letter-spacing: 1px; font-size: 0.9rem; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 900px; margin: 0 auto; }
.contact-item { background: var(--black-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; text-align: center; }
.contact-label { display: block; text-transform: uppercase; letter-spacing: 2px; font-size: 0.75rem; color: var(--gray); margin-bottom: 10px; }
.contact-value { font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; color: var(--white); transition: color 0.2s; }
a.contact-value:hover { color: var(--red); }

.map-wrap {
  margin-top: 40px; max-width: 900px; margin-left: auto; margin-right: auto;
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
.map-wrap iframe { display: block; width: 100%; height: 340px; border: 0; filter: grayscale(0.2); }

/* ===== Footer ===== */
.site-footer { background: var(--black-2); border-top: 1px solid var(--border); padding: 48px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-logo { height: 60px; width: auto; display: block; }
.footer-tagline { color: var(--gray); font-size: 0.9rem; margin-top: 12px; }
.footer-copy { color: var(--gray); font-size: 0.9rem; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .main-nav {
    position: fixed; top: 70px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: var(--black-2);
    border-bottom: 1px solid var(--border); padding: 0;
    max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
  }
  .main-nav.open { max-height: 400px; }
  .main-nav a { padding: 16px 24px; border-bottom: 1px solid var(--border); }
  .main-nav a.active::after, .main-nav a:hover::after { display: none; }
  .nav-toggle { display: flex; }
  .header-right .btn-sm { display: none; }

  .hero { min-height: auto; padding: 92px 0 52px; }
  .hero-bg { background-size: cover, cover, cover, cover; background-position: center, center, center, 60% 38%; }
  .hero-sub { font-size: 1.08rem; margin-bottom: 24px; }
  .hero-actions { margin-bottom: 32px; }
  .hero-stats { padding-top: 24px; gap: 26px; }
  .cards-3 { grid-template-columns: 1fr; }
  .karts-showcase { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 460px; }
  .schedule-grid { grid-template-columns: 1fr; }
  .shop-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
  .shop-cta-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero { padding: 84px 0 44px; }
  .hero-actions { margin-bottom: 28px; }
  .hero-stats { gap: 16px; padding-top: 20px; }
  .stat-val { font-size: 1.3rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .logo img { height: 38px; }
}