/* ===== ARKHAM LABS - BRAND STYLES ===== */
/* Brand colors from style guide */
:root {
  --black: #000000;
  --white: #FFFFFF;
  --dark-gray: #1A1A1A;
  --medium-gray: #6E6E6E;
  --light-gray: #B0B0B0;
  --accent-silver: linear-gradient(135deg, #C0C0C0, #E8E8E8, #C0C0C0);
  --bg-dark: #0D0D0D;
  --bg-card: #1A1A1A;
  --bg-section: #111111;
  --text-primary: #F0F0F0;
  --text-secondary: #B0B0B0;
  --text-muted: #888888;
  --green-accent: #1a6b3c;
  --green-glow: rgba(26, 107, 60, 0.15);
  --border-color: #2A2A2A;
  --card-border: #333333;
  --font-primary: 'Eurostile Extended', 'Montserrat', sans-serif;
  --font-secondary: 'Montserrat', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-secondary);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a:hover {
  opacity: 0.8;
}

img {
  max-width: 100%;
  height: auto;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, .logo-mark {
  font-family: var(--font-primary);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  font-size: 3rem;
  line-height: 1.1;
  margin-bottom: 1rem;
}

h2 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.text-muted {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border: none;
  border-radius: 0;
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary {
  background: var(--accent-silver);
  color: var(--black);
  border: 1px solid var(--light-gray);
}

.btn-primary:hover {
  background: var(--white);
  border-color: var(--white);
  opacity: 1;
}

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

.btn-outline:hover {
  border-color: var(--light-gray);
  background: rgba(255,255,255,0.05);
  opacity: 1;
}

/* ===== AGE GATE ===== */
#age-gate {
  position: fixed;
  inset: 0;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
}

.age-gate-content {
  text-align: center;
  max-width: 480px;
  padding: 60px 40px;
  border: 1px solid var(--card-border);
}

.age-gate-logo {
  margin-bottom: 32px;
}

.age-gate-logo .logo-mark {
  display: block;
  font-size: 2.5rem;
  letter-spacing: 0.15em;
  color: var(--white);
}

.age-gate-logo .logo-sub {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  color: var(--medium-gray);
  margin-top: 4px;
}

.age-gate-content h2 {
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 16px;
}

.age-gate-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 12px;
  line-height: 1.6;
}

.age-gate-text.small {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.age-gate-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 28px;
}

.age-gate-actions .btn {
  min-width: 160px;
}

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13, 13, 13, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: inline-flex;
  flex-direction: column;
  line-height: 1;
}

.logo .logo-mark {
  font-size: 1.4rem;
  letter-spacing: 0.12em;
  color: var(--white);
}

.logo .logo-sub {
  font-size: 0.55rem;
  letter-spacing: 0.25em;
  color: var(--medium-gray);
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--white);
  opacity: 1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.cart-btn {
  position: relative;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  transition: color 0.2s;
}

.cart-btn:hover {
  color: var(--white);
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===== PAGES ===== */
.page {
  display: none;
  animation: fadeIn 0.4s ease;
}

.page.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== HERO ===== */
.hero {
  padding: 100px 0 80px;
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-section) 100%);
  border-bottom: 1px solid var(--border-color);
}

.hero-content {
  max-width: 680px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--card-border);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--medium-gray);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3.5rem;
  letter-spacing: 0.06em;
}

.hero p {
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

/* ===== NOTICE BAR ===== */
.notice-bar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
}

.notice-bar p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0;
  text-align: center;
}

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

.section-dark {
  background: var(--bg-section);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-header h2 {
  font-size: 2.2rem;
  letter-spacing: 0.06em;
}

.section-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.section-footer {
  text-align: center;
  margin-top: 40px;
}

/* ===== FEATURES GRID ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 32px 24px;
  border: 1px solid var(--card-border);
  background: var(--bg-card);
  text-align: center;
  transition: border-color 0.3s;
}

.feature-card:hover {
  border-color: var(--medium-gray);
}

.feature-icon {
  margin-bottom: 16px;
  color: var(--light-gray);
}

.feature-card h3 {
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

/* ===== PRODUCT GRID ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-grid.full {
  grid-template-columns: repeat(4, 1fr);
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s, transform 0.3s;
}

.product-card:hover {
  border-color: var(--medium-gray);
  transform: translateY(-2px);
}

.product-image {
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg-section);
  border: 1px solid var(--border-color);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-sku {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--medium-gray);
  font-family: var(--font-primary);
  margin-bottom: 6px;
}

.product-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}

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

.product-info {
  flex: 1;
}

.product-details {
  list-style: none;
  margin-bottom: 16px;
}

.product-details li {
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 3px 0;
  border-bottom: 1px solid var(--border-color);
}

.product-details li:last-child {
  border-bottom: none;
}

.product-price {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  font-family: var(--font-primary);
  margin-bottom: 16px;
}

.product-actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
}

.product-actions .btn {
  flex: 1;
  padding: 10px 16px;
  font-size: 0.78rem;
}

/* ===== FILTER BAR ===== */
.filter-bar {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 20px;
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  font-family: var(--font-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover {
  border-color: var(--medium-gray);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

/* ===== CART ===== */
.cart-empty {
  text-align: center;
  padding: 80px 0;
}

.cart-empty svg {
  margin-bottom: 20px;
}

.cart-empty h3 {
  margin-bottom: 12px;
}

.cart-empty p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.cart-items {
  margin-bottom: 32px;
}

.cart-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-color);
}

.cart-item-image {
  width: 64px;
  height: 64px;
  background: var(--bg-section);
  border: 1px solid var(--border-color);
  flex-shrink: 0;
  overflow: hidden;
}

.cart-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-item-info {
  flex: 1;
}

.cart-item-sku {
  font-size: 0.7rem;
  color: var(--medium-gray);
  letter-spacing: 0.08em;
  font-family: var(--font-primary);
}

.cart-item-name {
  font-weight: 600;
  color: var(--white);
}

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

.cart-item-qty {
  display: flex;
  align-items: center;
  gap: 8px;
}

.qty-btn {
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  font-size: 1.1rem;
  cursor: pointer;
  transition: border-color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qty-btn:hover {
  border-color: var(--medium-gray);
}

.qty-value {
  width: 32px;
  text-align: center;
  font-weight: 600;
}

.cart-item-price {
  font-weight: 700;
  color: var(--white);
  min-width: 80px;
  text-align: right;
  font-family: var(--font-primary);
}

.remove-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 4px;
  transition: color 0.2s;
}

.remove-btn:hover {
  color: #ff4444;
}

.cart-summary {
  padding: 24px;
  border: 1px solid var(--card-border);
  background: var(--bg-card);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--white);
  font-family: var(--font-primary);
}

.research-notice {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  text-align: center;
}

.cart-summary .btn {
  width: 100%;
}

/* ===== CHECKOUT FORM ===== */
#checkout-form {
  max-width: 700px;
  margin: 0 auto;
  padding: 40px 0;
}

#checkout-form h3 {
  margin-bottom: 8px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  font-family: var(--font-secondary);
  font-size: 0.9rem;
  transition: border-color 0.2s;
}

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

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

.form-group select {
  cursor: pointer;
}

.form-group select option {
  background: var(--bg-dark);
}

.form-checkbox {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.form-checkbox input[type="checkbox"] {
  margin-top: 4px;
  accent-color: var(--green-accent);
  width: 18px;
  height: 18px;
  cursor: pointer;
  flex-shrink: 0;
}

.form-checkbox label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.form-actions {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}

.form-actions .btn {
  flex: 1;
}

/* ===== ORDER CONFIRMATION ===== */
.confirmation-box {
  text-align: center;
  padding: 60px 40px;
  border: 1px solid var(--card-border);
  max-width: 600px;
  margin: 40px auto;
}

.confirmation-box svg {
  margin-bottom: 20px;
}

.confirmation-box h3 {
  margin-bottom: 16px;
  color: var(--white);
}

.confirmation-details {
  text-align: left;
  background: var(--bg-card);
  padding: 20px;
  margin: 20px 0;
  border: 1px solid var(--border-color);
}

.confirmation-details p {
  font-size: 0.85rem;
  margin-bottom: 6px;
}

/* ===== CONTENT LAYOUT ===== */
.content-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
}

.content-main h3 {
  font-size: 1.2rem;
  color: var(--white);
  margin-top: 32px;
  margin-bottom: 12px;
}

.content-main h3:first-child {
  margin-top: 0;
}

.content-main ul {
  list-style: none;
  margin: 16px 0;
}

.content-main ul li {
  padding: 6px 0 6px 20px;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.content-main ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--medium-gray);
}

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--card-border);
  padding: 24px;
  margin-bottom: 20px;
}

.sidebar-card h4 {
  font-size: 0.9rem;
  color: var(--white);
  margin-bottom: 12px;
}

.sidebar-card ul {
  list-style: none;
}

.sidebar-card ul li {
  padding: 4px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.sidebar-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.sidebar-card a {
  color: var(--light-gray);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.sidebar-card a:hover {
  border-color: var(--light-gray);
  opacity: 1;
}

/* ===== COMPLIANCE PAGE ===== */
.compliance-section {
  padding: 20px 0;
  border-bottom: 1px solid var(--border-color);
}

.compliance-section:last-child {
  border-bottom: none;
}

.compliance-section h3 {
  color: var(--white);
}

.compliance-section ul {
  margin: 12px 0;
}

/* ===== POLICY TABS ===== */
.policy-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.policy-tab {
  padding: 12px 24px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: -1px;
}

.policy-tab:hover {
  color: var(--text-primary);
}

.policy-tab.active {
  color: var(--white);
  border-bottom-color: var(--white);
}

.policy-content {
  display: none;
  max-width: 800px;
}

.policy-content.active {
  display: block;
}

.policy-content h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.policy-content h4 {
  font-size: 1rem;
  color: var(--white);
  margin-top: 24px;
  margin-bottom: 8px;
}

.policy-content p {
  font-size: 0.9rem;
  margin-bottom: 10px;
}

/* ===== CONTACT ===== */
.success-message {
  padding: 24px;
  border: 1px solid var(--green-accent);
  background: var(--green-glow);
  margin-top: 24px;
}

.success-message p {
  color: var(--text-primary);
  margin: 0;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--black);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 32px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo-mark {
  display: block;
  font-size: 1.6rem;
  letter-spacing: 0.12em;
  color: var(--white);
}

.footer-brand .logo-sub {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  color: var(--medium-gray);
  margin-top: 4px;
}

.footer-tagline {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links h4,
.footer-contact h4 {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-links a,
.footer-contact a {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  transition: color 0.2s;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--white);
  opacity: 1;
}

.footer-legal {
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.disclaimer {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}

.footer-legal p:last-child {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .product-grid.full {
    grid-template-columns: repeat(3, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .hero h1 { font-size: 2.2rem; }
  .hero { padding: 60px 0; }

  .nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(13,13,13,0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 20px 24px;
    gap: 16px;
  }

  .nav.open {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-grid.full {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .content-layout {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-actions {
    flex-direction: column;
  }

  .age-gate-actions {
    flex-direction: column;
    align-items: center;
  }

  .age-gate-content {
    padding: 40px 24px;
    margin: 0 16px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

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

  .product-grid.full {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }
}