/* =========================================================
   EXTRUDRA — Global Styles
   Dark theme · Industrial · Premium
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  --bg:          #0e0e0e;
  --bg-card:     #161616;
  --bg-elevated: #1c1c1c;
  --border:      #2a2a2a;
  --text:        #e8e8e8;
  --text-muted:  #888;
  --accent:      #e07b30;
  --accent-glow: rgba(224, 123, 48, 0.25);
  --success:     #4caf50;
  --danger:      #e53935;
  --radius:      8px;
  --radius-lg:   12px;
  --font-display: 'Rajdhani', sans-serif;
  --font-body:    'Space Grotesk', sans-serif;
  --max-width:   1200px;
  --transition:  0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: #f09040; }

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

/* ── Header ─────────────────────────────────────────────── */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(14, 14, 14, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.18em;
  color: var(--text);
  text-transform: uppercase;
}
.logo:hover { color: var(--accent); }

.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }

.cart-link {
  position: relative;
  color: var(--text);
  display: flex;
  align-items: center;
}
.cart-link:hover { color: var(--accent); }

.cart-badge {
  position: absolute;
  top: -6px;
  right: -8px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 1rem 1.25rem;
  gap: 0.75rem;
  border-top: 1px solid var(--border);
}
.mobile-nav a {
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 0.9rem;
}
.mobile-nav a:hover { color: var(--text); }
.mobile-nav.hidden { display: none !important; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .cart-link { display: none; }
  .mobile-menu-btn { display: block; }
  .mobile-nav { display: flex; }
  .mobile-nav.hidden { display: none !important; }
}

/* ── Footer ─────────────────────────────────────────────── */
#site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.25rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.15em;
  color: var(--text);
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  line-height: 1.5;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
}
.footer-col a:hover { color: var(--text); }

.footer-text { color: var(--text-muted); font-size: 0.8rem; margin-bottom: 0.3rem; }
.footer-crypto { color: var(--accent); font-weight: 500; }

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  text-align: center;
}
.footer-bottom p { color: var(--text-muted); font-size: 0.75rem; }

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.75rem 1.75rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow);
}
.btn-primary:hover {
  background: #f09040;
  box-shadow: 0 0 30px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-sm { padding: 0.5rem 1rem; font-size: 0.8rem; }

/* ── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.card:hover {
  border-color: #3a3a3a;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

/* ── Container ──────────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section { padding: 4rem 0; }

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 600px;
  margin-bottom: 2.5rem;
}

/* ── Product Grid ───────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.product-card { position: relative; }

.product-card .card-img {
  aspect-ratio: 4/3;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.product-card .card-body {
  padding: 1.25rem;
}

.product-card .card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  color: var(--text);
}

.product-card .card-price {
  color: var(--accent);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.product-card .card-desc {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.badge-coming-soon {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--bg-elevated);
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  border: 1px solid var(--accent);
}

/* ── Colour Swatches ────────────────────────────────────── */
.swatch-group { margin-bottom: 1rem; }
.swatch-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.swatch-row { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.swatch:hover { transform: scale(1.1); }
.swatch.selected {
  border-color: #fff;
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px #fff;
}

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  padding: 6rem 0 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 4rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  position: relative;
  margin-bottom: 1rem;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
  max-width: 550px;
  margin: 0 auto 2rem;
  position: relative;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  position: relative;
}

/* ── Form Elements ──────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }

.form-label {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-textarea { resize: vertical; min-height: 120px; }

/* ── Utility ────────────────────────────────────────────── */
.text-accent { color: var(--accent); }
.text-muted  { color: var(--text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }

/* ── Animations ─────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeInUp 0.5s ease forwards;
  opacity: 0;
}

.fade-in-delay-1 { animation-delay: 0.1s; }
.fade-in-delay-2 { animation-delay: 0.2s; }
.fade-in-delay-3 { animation-delay: 0.3s; }

/* ── Loading ────────────────────────────────────────────── */
.loader {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 0.75rem;
}

@keyframes spin { to { transform: rotate(360deg); } }