/* ===== Federated Tease — Dark Edgy Theme ===== */

:root {
  --bg: #0a0a0a;
  --bg-elevated: #111111;
  --bg-card: #161616;
  --bg-input: #1a1a1a;
  --text: #f0f0f0;
  --text-muted: #888;
  --text-dim: #555;
  --accent: #FF1744;
  --accent-hover: #FF5252;
  --accent-glow: rgba(255, 23, 68, 0.25);
  --border: #222;
  --border-light: #2a2a2a;
  --success: #00E676;
  --radius: 10px;
  --radius-lg: 16px;
  --max-width: 1200px;
  --nav-height: 64px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }

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

main { flex: 1; }

/* ===== Typography ===== */
h1, h2, h3, h4 {
  font-family: 'Bebas Neue', 'Impact', 'Arial Black', sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.05;
}

h1 { font-size: clamp(3rem, 8vw, 6rem); }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); }
h3 { font-size: clamp(1.4rem, 3vw, 2rem); }

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

/* ===== Navigation ===== */
nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-height);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'Bebas Neue', 'Impact', sans-serif;
  font-size: 1.6rem;
  color: var(--text);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.logo span { color: var(--accent); }
.logo:hover { color: var(--text); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.cart-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
}

.cart-badge {
  background: var(--accent);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 99px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
}
.cart-badge.empty { display: none; }

.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--border-light);
  color: var(--text);
  font-size: 1.3rem;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
}

.nav-links.open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px;
  gap: 16px;
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open { display: flex; }
  .mobile-menu-btn { display: block; }
}

/* ===== Hero Section ===== */
.hero {
  padding: 100px 24px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 80%, var(--accent-glow) 0%, transparent 50%);
  pointer-events: none;
}

.hero h1 {
  position: relative;
  margin-bottom: 24px;
}

.hero h1 .accent { color: var(--accent); }

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 40px;
  position: relative;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 36px;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border-light);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-lg { padding: 18px 48px; font-size: 1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.8rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }

/* ===== Section Styles ===== */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 { margin-bottom: 12px; }

.section-header p {
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto;
}

.divider {
  width: 60px;
  height: 3px;
  background: var(--accent);
  margin: 16px auto;
}

/* ===== Product Grid ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

@media (max-width: 640px) {
  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
  }
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
  color: inherit;
}

/* Product Mockup (placeholder design) */
.product-mockup {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  position: relative;
  overflow: hidden;
}

.product-mockup::before {
  content: '';
  position: absolute;
  inset: 0;
  background: inherit;
  filter: brightness(0.7);
  z-index: 0;
}

.product-mockup::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.5));
  z-index: 1;
}

.mockup-icon {
  font-size: 3rem;
  margin-bottom: 12px;
  position: relative;
  z-index: 2;
  opacity: 0.9;
}

.mockup-text {
  font-family: 'Bebas Neue', 'Impact', sans-serif;
  font-size: clamp(2rem, 5vw, 2.8rem);
  color: white;
  text-align: center;
  line-height: 1.05;
  position: relative;
  z-index: 2;
  text-shadow: 2px 2px 8px rgba(0,0,0,0.4);
}

.mockup-tagline {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-top: 8px;
  position: relative;
  z-index: 2;
}

.product-card-info {
  padding: 20px;
}

.product-card-info h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 4px;
}

.product-card-info .tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.product-card-info .price {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  color: var(--accent);
}

/* ===== Product Detail ===== */
.product-detail {
  padding: 40px 0 80px;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 768px) {
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.product-detail-mockup {
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.product-detail-mockup .mockup-text {
  font-size: clamp(2.5rem, 6vw, 4rem);
}

.product-info h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: 8px;
}

.product-info .tagline {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.product-info .price {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 24px;
}

.product-info .description {
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
  font-size: 1.05rem;
}

/* Size Selector */
.size-selector {
  margin-bottom: 28px;
}

.size-selector label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.size-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.size-btn {
  min-width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-input);
  border: 2px solid var(--border-light);
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
  padding: 0 12px;
}
.size-btn:hover { border-color: var(--text-muted); }
.size-btn.active {
  border-color: var(--accent);
  background: rgba(255, 23, 68, 0.1);
  color: var(--accent);
}

/* Quantity */
.quantity-selector {
  margin-bottom: 28px;
}

.quantity-selector label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.quantity-controls {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  overflow: hidden;
}

.qty-btn {
  width: 44px;
  height: 44px;
  background: var(--bg-input);
  border: none;
  color: var(--text);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}
.qty-btn:hover { background: var(--border-light); }

.qty-value {
  width: 50px;
  text-align: center;
  font-weight: 600;
  font-size: 1rem;
  background: transparent;
  border: none;
  color: var(--text);
}

/* ===== Cart Page ===== */
.cart-section { padding: 40px 0 80px; }

.cart-empty {
  text-align: center;
  padding: 80px 0;
}
.cart-empty h2 { margin-bottom: 16px; }
.cart-empty p {
  color: var(--text-muted);
  margin-bottom: 32px;
}

.cart-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.cart-item {
  display: grid;
  grid-template-columns: 100px 1fr auto auto;
  gap: 20px;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

@media (max-width: 640px) {
  .cart-item {
    grid-template-columns: 80px 1fr;
    gap: 12px;
  }
}

.cart-item-mockup {
  width: 100px;
  height: 100px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1rem;
  color: white;
  text-align: center;
  padding: 8px;
  line-height: 1.1;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
}

@media (max-width: 640px) {
  .cart-item-mockup { width: 80px; height: 80px; font-size: 0.8rem; }
}

.cart-item-details h3 {
  font-family: 'Inter', sans-serif;
  text-transform: none;
  letter-spacing: 0;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.cart-item-details .meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.cart-item-qty {
  display: flex;
  align-items: center;
  gap: 4px;
}

.cart-item-qty button {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  border: 1px solid var(--border-light);
  background: var(--bg-input);
  color: var(--text);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cart-item-qty button:hover { background: var(--border-light); }

.cart-item-qty span {
  min-width: 28px;
  text-align: center;
  font-weight: 600;
}

.cart-item-price {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.3rem;
  color: var(--accent);
  white-space: nowrap;
}

.cart-item-remove {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 4px 8px;
  transition: color 0.2s;
}
.cart-item-remove:hover { color: var(--accent); }

/* Cart Summary */
.cart-summary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 400px;
  margin-left: auto;
}

.cart-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  font-size: 0.95rem;
}

.cart-summary-row.total {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: 8px;
}

.cart-summary-row.total span:last-child {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  color: var(--accent);
}

/* ===== Checkout Page ===== */
.checkout-section { padding: 40px 0 80px; }

.checkout-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 48px;
  align-items: start;
}

@media (max-width: 768px) {
  .checkout-grid { grid-template-columns: 1fr; gap: 32px; }
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}

/* ===== Order Summary (Checkout Sidebar) ===== */
.order-summary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.order-summary h3 {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  color: var(--text-muted);
}

.order-summary-item {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.9rem;
}

.order-summary-item .name { color: var(--text); }
.order-summary-item .price { color: var(--text-muted); }

/* ===== Success Page ===== */
.success-section {
  padding: 80px 0;
  text-align: center;
}

.success-icon {
  font-size: 4rem;
  margin-bottom: 24px;
}

.success-section h1 { color: var(--success); margin-bottom: 16px; }

.success-details {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 500px;
  margin: 32px auto;
  text-align: left;
}

.success-details .order-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.success-details .order-row:last-child { border-bottom: none; }
.success-details .order-row .label { color: var(--text-muted); }

/* ===== About Page ===== */
.about-section { padding: 60px 0 80px; }

.about-hero {
  text-align: center;
  padding: 60px 0;
}

.about-hero h1 { margin-bottom: 16px; }

.about-content {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.about-content p { margin-bottom: 24px; }

.about-content strong { color: var(--text); }

.about-values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin: 48px 0;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
}

.value-card .icon { font-size: 2rem; margin-bottom: 12px; }
.value-card h3 {
  font-family: 'Inter', sans-serif;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.value-card p { color: var(--text-muted); font-size: 0.9rem; }

/* ===== Footer ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
  margin-top: auto;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand .logo {
  font-size: 1.3rem;
  margin-bottom: 8px;
  display: block;
}

.footer-brand p {
  color: var(--text-dim);
  font-size: 0.8rem;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
}
.footer-links a:hover { color: var(--text); }

/* ===== Banner ===== */
.top-banner {
  background: var(--accent);
  color: white;
  text-align: center;
  padding: 10px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ===== Featured Strip ===== */
.brand-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
  text-align: center;
}

.brand-strip p {
  color: var(--text-dim);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 500;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, var(--accent-glow) 0%, transparent 60%);
  pointer-events: none;
}

.cta-section h2 { margin-bottom: 16px; position: relative; }
.cta-section p {
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

/* ===== Loading State ===== */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 0;
  color: var(--text-muted);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-light);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-right: 12px;
}

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

/* ===== Toast Notification ===== */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  transform: translateY(120%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 9999;
}
.toast.show { transform: translateY(0); }
.toast .check { color: var(--success); font-size: 1.2rem; }

/* ===== Error Alert ===== */
.alert {
  padding: 14px 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}
.alert-error {
  background: rgba(255, 23, 68, 0.1);
  border: 1px solid rgba(255, 23, 68, 0.3);
  color: var(--accent);
}

/* ===== Page Header ===== */
.page-header {
  padding: 40px 0 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.page-header h1 { margin-bottom: 8px; }
.page-header p { color: var(--text-muted); }

/* ===== Utilities ===== */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 32px; }