:root {
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-card: #111111;
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --accent: #ffffff;
  --border: #222222;
  --corner-size: 12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

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

.mono {
  font-family: 'Space Mono', monospace;
}

/* ===== CORNER BRACKETS ===== */
.corner-tl, .corner-tr, .corner-bl, .corner-br {
  position: absolute;
  width: var(--corner-size);
  height: var(--corner-size);
  border-color: var(--text-secondary);
  border-style: solid;
  border-width: 0;
  opacity: 0.5;
  transition: opacity 0.3s ease;
}
.corner-tl { top: 8px; left: 8px; border-top-width: 1px; border-left-width: 1px; }
.corner-tr { top: 8px; right: 8px; border-top-width: 1px; border-right-width: 1px; }
.corner-bl { bottom: 8px; left: 8px; border-bottom-width: 1px; border-left-width: 1px; }
.corner-br { bottom: 8px; right: 8px; border-bottom-width: 1px; border-right-width: 1px; }

/* ===== NAVIGATION - Matches index.html exactly ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-sizing: border-box;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-logo img {
  height: 40px;
}

.nav-logo span {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-login {
  font-size: 1.2rem;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.nav-login:hover {
  color: var(--text-primary);
  transform: scale(1.1);
}

.nav-cart {
  position: relative;
  font-size: 1.2rem;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.nav-cart:hover {
  transform: scale(1.1);
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  background: none;
  border: none;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.nav-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: rgba(0, 0, 0, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1001;
  transition: right 0.3s ease;
  padding: 80px 2rem 2rem;
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-menu li {
  margin-bottom: 0.5rem;
}

.mobile-menu a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 1rem;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.mobile-menu a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

.mobile-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-primary);
  padding: 0.5rem;
  transition: transform 0.3s ease;
}

.mobile-close:hover {
  transform: scale(1.2);
}

/* ===== SECTION STYLES ===== */
.section {
  padding: 6rem 2rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
}

.section-title {
  font-family: 'Space Mono', monospace;
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.section-link {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s ease;
}

.section-link:hover {
  color: var(--text-primary);
}

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  position: relative;
  transition: all 0.4s ease;
  overflow: hidden;
}

.card:hover {
  border-color: var(--text-secondary);
  transform: translateY(-4px);
}

.card:hover .corner-tl,
.card:hover .corner-tr,
.card:hover .corner-bl,
.card:hover .corner-br {
  opacity: 1;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: transparent;
  color: var(--text-primary);
}

/* ===== PAGE HEADER ===== */
.page-header {
  padding: 8rem 2rem 4rem;
  text-align: center;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.page-title {
  font-family: 'Space Mono', monospace;
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ===== GRID LAYOUTS ===== */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 4rem 2rem 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

.footer-brand img {
  height: 50px;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 300px;
}

.footer-title {
  font-family: 'Space Mono', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-social {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.footer-social a:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
  background: var(--bg-card);
}

.footer-bottom {
  max-width: 1400px;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.footer-legal {
  display: flex;
  gap: 2rem;
}

.footer-legal a {
  color: var(--text-secondary);
  font-size: 0.8rem;
  transition: color 0.3s ease;
}

.footer-legal a:hover {
  color: var(--text-primary);
}

/* ===== FORM STYLES ===== */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--text-secondary);
}

.form-input::placeholder {
  color: var(--text-secondary);
}

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.98);
  z-index: 999;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2rem;
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu a {
  font-family: 'Space Mono', monospace;
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.mobile-menu a:hover {
  color: var(--text-primary);
}

.mobile-close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  font-size: 2rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.3s ease;
}

.mobile-close:hover {
  color: var(--text-primary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .nav {
    padding: 1rem 1.5rem;
  }
  
  .nav-logo img {
    height: 35px;
  }
  
  .nav-links {
    display: none;
  }

  .menu-toggle,
  .nav-hamburger {
    display: flex;
  }
}

@media (max-width: 768px) {
  .nav {
    padding: 0.75rem 1rem;
  }

  .nav-logo img {
    height: 32px;
  }
  
  .nav-actions {
    gap: 1rem;
  }

  .section {
    padding: 4rem 1rem;
  }

  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand p {
    max-width: 100%;
  }

  .footer-social {
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
  }
}

/* ===== LOADING STATE ===== */
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 4rem;
  color: var(--text-secondary);
  font-family: 'Space Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h3 {
  font-family: 'Space Mono', monospace;
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}