/* ===== VARIABLES ===== */
:root {
  --primary: #0ea5e9;
  --primary-dark: #0284c7;
  --accent: #f59e0b;
  --accent-red: #ef4444;
  --dark: #0f172a;
  --dark-card: #1e293b;
  --dark-card-2: #334155;
  --light: #f8fafc;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --success: #22c55e;
  --whatsapp: #25d366;
  --shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
  --shadow-sm: 0 4px 6px -1px rgba(0,0,0,0.3);
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);
  --gradient-card: linear-gradient(145deg, #1e293b 0%, #0f172a 100%);
}

/* ===== RESET ===== */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }

body {
  background: var(--dark);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ===== ANIMATIONS ===== */
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(100px); } to { opacity: 1; transform: translateX(0); } }
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.05); } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.animate-fade { animation: fadeIn 0.5s ease forwards; }
.animate-slide { animation: slideInRight 0.4s ease forwards; }

/* ===== HEADER ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: 0 24px;
  height: 70px;
  display: flex; align-items: center; justify-content: space-between;
}

.logo {
  display: flex; align-items: center; cursor: pointer;
}

.logo-image {
  height: 48px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex; gap: 32px; list-style: none;
  margin: 0 auto;
}

.nav-links a {
  color: var(--text-muted); text-decoration: none; font-weight: 500;
  font-size: 0.9rem; transition: all 0.3s; position: relative;
}

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

.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--primary);
  transition: width 0.3s;
}

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

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

.search-box {
  position: relative;
}

.search-box input {
  background: var(--dark-card); border: 1px solid var(--dark-card-2);
  border-radius: 12px; padding: 10px 16px 10px 40px;
  color: var(--text); width: 260px; font-size: 0.85rem;
  outline: none; transition: all 0.3s;
}

.search-box input:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(14,165,233,0.2);
}

.search-box svg {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); width: 18px; height: 18px;
}

.btn-icon {
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--dark-card); border: 1px solid var(--dark-card-2);
  color: var(--text); display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.3s; position: relative;
}

.btn-icon:hover {
  background: var(--primary); border-color: var(--primary);
  transform: translateY(-2px);
}

.btn-icon .badge {
  position: absolute; top: -4px; right: -4px;
  background: var(--accent-red); color: white;
  font-size: 0.65rem; font-weight: 700;
  width: 18px; height: 18px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white; border: none; padding: 10px 24px;
  border-radius: 12px; font-weight: 600; font-size: 0.9rem;
  cursor: pointer; transition: all 0.3s; display: flex; align-items: center; gap: 8px;
}

.btn-primary:hover {
  transform: translateY(-2px); box-shadow: 0 10px 30px rgba(14,165,233,0.4);
}

.btn-whatsapp {
  background: linear-gradient(135deg, var(--whatsapp), #128c7e);
  color: white; border: none; padding: 12px 28px;
  border-radius: 14px; font-weight: 700; font-size: 0.95rem;
  cursor: pointer; transition: all 0.3s; display: inline-flex;
  align-items: center; gap: 10px; text-decoration: none;
}

.btn-whatsapp:hover {
  transform: translateY(-3px); box-shadow: 0 15px 40px rgba(37,211,102,0.4);
}

/* ===== HERO ===== */
.hero {
  margin-top: 70px;
  background: var(--gradient-hero);
  min-height: 85vh;
  display: flex; align-items: center;
  padding: 0 60px;
  position: relative; overflow: hidden;
}

.hero::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(14,165,233,0.15) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite;
}

.hero-content { max-width: 1100px; position: relative; z-index: 2; }

.hero-logo-area {
  position: relative; max-width: 1760px; margin-bottom: 30px;
}

.hero-logo-image {
  width: 100%; height: auto; display: block;
  border-radius: 2.5rem; box-shadow: 0 70px 220px rgba(0, 0, 0, 0.42);
}

.hero-logo-caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 42px 36px 36px 44px;
  min-height: 55%;
  background: linear-gradient(180deg, rgba(15,23,42,0.0) 0%, rgba(15,23,42,0.35) 100%);
  color: white; font-size: 2.5rem; font-weight: 900;
  text-align: left; line-height: 1.2;
  display: flex; align-items: flex-end; justify-content: flex-start;
}

.hero-logo-caption span {
  display: block;
}

.hero h1 {
  font-size: 3.5rem; font-weight: 900; line-height: 1.1;
  margin-bottom: 20px;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--primary), #60a5fa, #a78bfa);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.1rem; color: var(--text-muted); line-height: 1.7;
  margin-bottom: 32px; max-width: 500px;
}

.hero-stats {
  display: flex; gap: 40px; margin-top: 40px;
}

.hero-stat h3 { font-size: 2rem; font-weight: 800; color: var(--primary); }
.hero-stat p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }

.hero-image {
  position: absolute; right: 60px; top: 50%; transform: translateY(-50%);
  width: 500px; height: 500px;
  display: flex; align-items: center; justify-content: center;
}

.phone-mockup {
  width: 280px; height: 560px; border-radius: 40px;
  background: linear-gradient(145deg, #1e293b, #0f172a);
  border: 3px solid rgba(255,255,255,0.1);
  box-shadow: 0 50px 100px rgba(0,0,0,0.5), inset 0 0 60px rgba(14,165,233,0.1);
  position: relative; overflow: hidden;
  animation: float 5s ease-in-out infinite;
}

.phone-mockup::before {
  content: ''; position: absolute; top: 20px; left: 50%; transform: translateX(-50%);
  width: 80px; height: 24px; background: var(--dark); border-radius: 12px;
}

.phone-screen {
  position: absolute; top: 60px; left: 20px; right: 20px; bottom: 20px;
  background: var(--dark-card); border-radius: 30px;
  padding: 20px; overflow: hidden;
}

.chat-bubble {
  background: var(--primary); padding: 10px 14px; border-radius: 16px 16px 4px 16px;
  font-size: 0.75rem; margin-bottom: 8px; max-width: 80%; float: right; clear: both;
}

.chat-bubble-in {
  background: var(--dark-card-2); padding: 10px 14px; border-radius: 16px 16px 16px 4px;
  font-size: 0.75rem; margin-bottom: 8px; max-width: 80%; float: left; clear: both;
}

/* ===== CATEGORIES ===== */
.categories-section { padding: 80px 60px; }

.section-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: 2.2rem; font-weight: 800;
}

.section-header h2 span {
  background: linear-gradient(135deg, var(--primary), #60a5fa);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.section-header p { color: var(--text-muted); margin-top: 8px; }

.categories-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px;
}

.category-card {
  background: var(--gradient-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 20px; padding: 30px 20px;
  text-align: center; cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative; overflow: hidden;
}

.category-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), #60a5fa);
  transform: scaleX(0); transition: transform 0.4s;
}

.category-card:hover::before { transform: scaleX(1); }

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(14,165,233,0.15);
  border-color: rgba(14,165,233,0.2);
}

.category-icon {
  width: 64px; height: 64px; border-radius: 18px;
  background: linear-gradient(135deg, rgba(14,165,233,0.2), rgba(14,165,233,0.05));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  padding: 8px;
  transition: all 0.3s;
  overflow: hidden;
}

.category-icon-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 18px;
}

.category-icon-has-image {
  width: 120px;
  height: 120px;
  padding: 4px;
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.16);
}

.category-card:hover .category-icon {
  transform: scale(1.1) rotate(-5deg);
}

.category-card:hover .category-icon:not(.category-icon-has-image) {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.category-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.category-card p { font-size: 0.8rem; color: var(--text-muted); }

/* ===== PRODUCTS ===== */
.products-section { padding: 0 60px 80px; }

.filter-bar {
  display: flex; gap: 12px; margin-bottom: 32px; flex-wrap: wrap;
}

.filter-chip {
  padding: 8px 20px; border-radius: 50px;
  background: var(--dark-card); border: 1px solid var(--dark-card-2);
  color: var(--text-muted); font-size: 0.85rem; font-weight: 500;
  cursor: pointer; transition: all 0.3s;
}

.filter-chip:hover, .filter-chip.active {
  background: var(--primary); color: white; border-color: var(--primary);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--gradient-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 20px; overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px rgba(0,0,0,0.4);
  border-color: rgba(14,165,233,0.2);
}

.product-badge {
  position: absolute; top: 16px; left: 16px; z-index: 3;
  padding: 6px 14px; border-radius: 50px; font-size: 0.75rem;
  font-weight: 700; text-transform: uppercase;
}

.badge-sale { background: var(--accent-red); color: white; }
.badge-used { background: var(--accent); color: var(--dark); }
.badge-new { background: var(--success); color: white; }
.badge-hot { background: linear-gradient(135deg, #f97316, #ef4444); color: white; }

.product-img-wrap {
  height: 220px; background: linear-gradient(135deg, #1e293b, #0f172a);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}

.product-img-wrap img {
  max-width: 70%; max-height: 70%;
  object-fit: contain; transition: transform 0.5s;
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.1);
}

.product-overlay {
  position: absolute; inset: 0;
  background: rgba(15,23,42,0.7);
  display: flex; align-items: center; justify-content: center;
  gap: 12px; opacity: 0; transition: opacity 0.3s;
}

.product-card:hover .product-overlay { opacity: 1; }

.product-reserved-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.65);
  color: rgba(20, 20, 20, 0.9);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  z-index: 2;
}

.overlay-btn {
  width: 44px; height: 44px; border-radius: 12px;
  background: white; border: none; color: var(--dark);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transform: translateY(20px); opacity: 0;
  transition: all 0.3s;
}

.product-card:hover .overlay-btn {
  transform: translateY(0); opacity: 1;
}

.product-card:hover .overlay-btn:nth-child(2) { transition-delay: 0.05s; }
.product-card:hover .overlay-btn:nth-child(3) { transition-delay: 0.1s; }

.overlay-btn:hover { background: var(--primary); color: white; }

.product-info { padding: 20px; }

.product-brand {
  font-size: 0.75rem; color: var(--primary); font-weight: 600;
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px;
}

.product-name {
  font-size: 1.05rem; font-weight: 700; line-height: 1.3;
  margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}

.product-rating {
  display: flex; align-items: center; gap: 6px; margin-bottom: 12px;
}

.stars { color: #fbbf24; font-size: 0.85rem; }
.rating-count { font-size: 0.8rem; color: var(--text-muted); }

.product-price-row {
  display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
}

.price-current {
  font-size: 1.4rem; font-weight: 800; color: var(--primary);
}

.price-old {
  font-size: 0.95rem; color: var(--text-muted); text-decoration: line-through;
}

.price-discount {
  background: var(--accent-red); color: white;
  padding: 2px 8px; border-radius: 6px;
  font-size: 0.75rem; font-weight: 700;
}

.product-price-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 16px;
}

.product-price-ars {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
  margin-top: 6px;
}

.add-to-cart-btn {
  width: 100%; padding: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border: none; border-radius: 12px; color: white;
  font-weight: 700; font-size: 0.9rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: all 0.3s;
}

.add-to-cart-btn:hover {
  box-shadow: 0 10px 30px rgba(14,165,233,0.4);
  transform: translateY(-2px);
}

.add-to-cart-btn.added {
  background: var(--success);
}

/* ===== USED PHONES ===== */
.used-section {
  padding: 60px; background: linear-gradient(135deg, rgba(245,158,11,0.05), transparent);
  border-top: 1px solid rgba(245,158,11,0.1); border-bottom: 1px solid rgba(245,158,11,0.1);
}

.used-header {
  display: flex; align-items: center; gap: 16px; margin-bottom: 32px;
}

.used-header h2 {
  font-size: 2rem; font-weight: 800;
  background: linear-gradient(135deg, var(--accent), #f97316);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.used-tag {
  background: rgba(245,158,11,0.15); color: var(--accent);
  padding: 6px 16px; border-radius: 50px;
  font-size: 0.8rem; font-weight: 700;
  border: 1px solid rgba(245,158,11,0.3);
}

.condition-bar {
  display: flex; gap: 8px; margin-bottom: 20px;
}

.condition-chip {
  padding: 6px 16px; border-radius: 50px; font-size: 0.8rem;
  font-weight: 600; cursor: pointer; transition: all 0.3s;
  border: 1px solid var(--dark-card-2); background: var(--dark-card);
  color: var(--text-muted);
}

.condition-chip:hover, .condition-chip.active {
  background: var(--accent); color: var(--dark); border-color: var(--accent);
}

/* ===== FEATURES ===== */
.features-section {
  padding: 80px 60px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}

.feature-box {
  background: var(--gradient-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 20px; padding: 32px 24px;
  text-align: center; transition: all 0.3s;
}

.feature-box:hover {
  transform: translateY(-5px);
  border-color: rgba(14,165,233,0.2);
}

.feature-icon {
  width: 60px; height: 60px; border-radius: 16px;
  background: linear-gradient(135deg, rgba(14,165,233,0.2), rgba(14,165,233,0.05));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px; font-size: 1.5rem;
}

.feature-box h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.feature-box p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* ===== CART SIDEBAR ===== */
.cart-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  z-index: 2000; opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
}

.cart-overlay.open { opacity: 1; pointer-events: all; }

.cart-sidebar {
  position: fixed; top: 0; right: 0; bottom: 0; width: 420px;
  background: var(--dark); border-left: 1px solid rgba(255,255,255,0.05);
  z-index: 2001; transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex; flex-direction: column;
}

.cart-sidebar.open { transform: translateX(0); }

.cart-header {
  padding: 24px; border-bottom: 1px solid rgba(255,255,255,0.05);
  display: flex; align-items: center; justify-content: space-between;
}

.cart-header h3 { font-size: 1.3rem; font-weight: 800; }

.close-cart {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--dark-card); border: none; color: var(--text);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
}

.cart-items {
  flex: 1; overflow-y: auto; padding: 16px 24px;
}

.cart-item {
  display: flex; gap: 16px; padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.cart-item-img {
  width: 80px; height: 80px; border-radius: 12px;
  background: var(--dark-card); display: flex;
  align-items: center; justify-content: center; overflow: hidden;
}

.cart-item-img img { max-width: 80%; max-height: 80%; object-fit: contain; }

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

.cart-item-name { font-weight: 600; font-size: 0.9rem; margin-bottom: 4px; }
.cart-item-price { color: var(--primary); font-weight: 700; font-size: 1rem; }

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

.qty-btn {
  width: 28px; height: 28px; border-radius: 6px;
  background: var(--dark-card); border: 1px solid var(--dark-card-2);
  color: var(--text); display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-weight: 700;
}

.remove-item {
  color: var(--accent-red); cursor: pointer; font-size: 0.8rem;
  margin-top: 4px; display: inline-block;
}

.cart-empty {
  text-align: center; padding: 60px 20px;
  color: var(--text-muted);
}

.cart-empty svg { width: 80px; height: 80px; margin-bottom: 16px; opacity: 0.3; }

.cart-footer {
  padding: 24px; border-top: 1px solid rgba(255,255,255,0.05);
  background: var(--dark-card);
}

.cart-total-row {
  display: flex; justify-content: space-between; margin-bottom: 8px;
}

.cart-total-row.total {
  font-size: 1.2rem; font-weight: 800; margin: 16px 0;
  padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.1);
}

.checkout-btn {
  width: 100%; padding: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border: none; border-radius: 14px; color: white;
  font-weight: 700; font-size: 1rem; cursor: pointer;
  margin-bottom: 10px; transition: all 0.3s;
}

.checkout-btn:hover {
  box-shadow: 0 10px 30px rgba(14,165,233,0.4);
}

.whatsapp-checkout-btn {
  width: 100%; padding: 14px;
  background: linear-gradient(135deg, var(--whatsapp), #128c7e);
  border: none; border-radius: 14px; color: white;
  font-weight: 700; font-size: 1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  transition: all 0.3s;
}

.whatsapp-checkout-btn:hover {
  box-shadow: 0 10px 30px rgba(37,211,102,0.4);
}

/* ===== LOGIN MODAL ===== */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7);
  z-index: 3000; display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}

.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal-box {
  background: var(--dark-card); border-radius: 24px;
  width: 100%; max-width: 420px; padding: 40px;
  border: 1px solid rgba(255,255,255,0.05);
  transform: scale(0.9); transition: transform 0.3s;
  position: relative;
}

.modal-overlay.open .modal-box { transform: scale(1); }

.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--dark); border: none; color: var(--text-muted);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
}

.modal-box h2 {
  font-size: 1.6rem; font-weight: 800; margin-bottom: 8px;
  text-align: center;
}

.modal-box p {
  text-align: center; color: var(--text-muted); margin-bottom: 28px;
  font-size: 0.9rem;
}

.form-group { margin-bottom: 18px; }

.form-group label {
  display: block; font-size: 0.85rem; font-weight: 600;
  margin-bottom: 6px; color: var(--text);
}

.form-group input {
  width: 100%; padding: 12px 16px;
  background: var(--dark); border: 1px solid var(--dark-card-2);
  border-radius: 12px; color: var(--text); font-size: 0.9rem;
  outline: none; transition: all 0.3s;
}

.form-group input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.2);
}

.form-options {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 24px; font-size: 0.8rem;
}

.form-options label { display: flex; align-items: center; gap: 6px; color: var(--text-muted); cursor: pointer; }

.form-options a { color: var(--primary); text-decoration: none; }

.submit-btn {
  width: 100%; padding: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border: none; border-radius: 14px; color: white;
  font-weight: 700; font-size: 1rem; cursor: pointer;
  transition: all 0.3s;
}

.submit-btn:hover {
  box-shadow: 0 10px 30px rgba(14,165,233,0.4);
}

.divider {
  display: flex; align-items: center; gap: 16px;
  margin: 24px 0; color: var(--text-muted); font-size: 0.8rem;
}

.divider::before, .divider::after {
  content: ''; flex: 1; height: 1px; background: var(--dark-card-2);
}

.social-login {
  display: flex; gap: 12px;
}

.social-btn {
  flex: 1; padding: 12px; border-radius: 12px;
  background: var(--dark); border: 1px solid var(--dark-card-2);
  color: var(--text); font-weight: 600; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: all 0.3s;
}

.social-btn:hover { border-color: var(--primary); }

.switch-mode {
  text-align: center; margin-top: 20px;
  font-size: 0.85rem; color: var(--text-muted);
}

.switch-mode a {
  color: var(--primary); font-weight: 600; cursor: pointer;
}

/* ===== PRODUCT DETAIL MODAL ===== */
.product-modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.8);
  z-index: 3000; display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
  padding: 20px;
}

.product-modal.open { opacity: 1; pointer-events: all; }

.product-modal-box {
  background: var(--dark-card); border-radius: 24px;
  width: 100%; max-width: 900px; max-height: 90vh;
  overflow-y: auto; border: 1px solid rgba(255,255,255,0.05);
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  position: relative;
}

.pm-image {
  background: linear-gradient(135deg, #1e293b, #0f172a);
  display: flex; align-items: center; justify-content: center;
  padding: 40px; min-height: 400px;
}

.pm-image img { max-width: 80%; max-height: 300px; object-fit: contain; }

.pm-info { padding: 40px; }

.pm-brand { color: var(--primary); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; }
.pm-name { font-size: 1.6rem; font-weight: 800; margin: 8px 0 12px; }
.pm-desc { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; }

.pm-specs { margin-bottom: 24px; }
.pm-specs h4 { font-size: 0.9rem; margin-bottom: 10px; }
.spec-row {
  display: flex; justify-content: space-between; padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 0.85rem;
}
.spec-row span:first-child { color: var(--text-muted); }

.pm-actions { display: flex; gap: 12px; }

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed; bottom: 30px; right: 30px; z-index: 1500;
  width: 60px; height: 60px; border-radius: 50%;
  background: linear-gradient(135deg, var(--whatsapp), #128c7e);
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.8rem; cursor: pointer;
  box-shadow: 0 10px 30px rgba(37,211,102,0.4);
  animation: pulse 2s ease-in-out infinite;
  border: none;
}

.whatsapp-float:hover { transform: scale(1.1); }

.whatsapp-tooltip {
  position: absolute; right: 70px; top: 50%; transform: translateY(-50%);
  background: var(--dark-card); padding: 8px 16px; border-radius: 10px;
  font-size: 0.8rem; font-weight: 600; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: all 0.3s;
  border: 1px solid rgba(255,255,255,0.1);
}

.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; right: 75px; }

/* ===== TOAST ===== */
.toast-container {
  position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%);
  z-index: 4000; display: flex; flex-direction: column; gap: 10px;
}

.toast {
  background: var(--dark-card); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px; padding: 14px 24px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: var(--shadow); animation: fadeIn 0.3s ease;
  min-width: 300px;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--accent-red); }
.toast.info { border-left: 4px solid var(--primary); }

/* ===== FOOTER ===== */
.footer {
  background: var(--dark-card); padding: 60px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

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

.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }

.footer-col h4 { font-size: 1rem; font-weight: 700; margin-bottom: 20px; }
.footer-col a {
  display: block; color: var(--text-muted); text-decoration: none;
  font-size: 0.9rem; margin-bottom: 12px; transition: color 0.3s;
}
.footer-col a:hover { color: var(--primary); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 24px; display: flex; justify-content: space-between;
  color: var(--text-muted); font-size: 0.85rem;
}

/* ===== N8N INFO ===== */
.n8n-info {
  background: linear-gradient(135deg, rgba(14,165,233,0.1), rgba(37,211,102,0.05));
  border: 1px solid rgba(14,165,233,0.2);
  border-radius: 16px; padding: 24px; margin: 40px 60px;
}

.n8n-info h3 {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.1rem; margin-bottom: 12px;
}

.n8n-info p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }

.n8n-flow {
  display: flex; align-items: center; gap: 16px; margin-top: 16px;
  flex-wrap: wrap;
}

.n8n-step {
  background: var(--dark-card); padding: 10px 18px;
  border-radius: 10px; font-size: 0.8rem; font-weight: 600;
  border: 1px solid var(--dark-card-2);
  display: flex; align-items: center; gap: 8px;
}

.n8n-arrow { color: var(--primary); font-size: 1.2rem; }

/* ===== USER DROPDOWN ===== */
.user-dropdown { position: relative; }

.user-menu {
  position: absolute; top: 50px; right: 0;
  background: var(--dark-card); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px; padding: 8px; min-width: 200px;
  box-shadow: var(--shadow); opacity: 0; pointer-events: none;
  transform: translateY(-10px); transition: all 0.3s;
}

.user-menu.open { opacity: 1; pointer-events: all; transform: translateY(0); }

.user-menu-item {
  padding: 10px 16px; border-radius: 10px;
  display: flex; align-items: center; gap: 10px;
  font-size: 0.9rem; color: var(--text); cursor: pointer;
  transition: all 0.2s;
}

.user-menu-item:hover { background: var(--dark); }

.user-menu-divider {
  height: 1px; background: rgba(255,255,255,0.05); margin: 6px 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero { padding: 40px; flex-direction: column; text-align: center; }
  .hero-content { max-width: 100%; }
  .hero-image { display: none; }
  .hero h1 { font-size: 2.5rem; }
  .categories-grid { grid-template-columns: repeat(3, 1fr); }
  .features-section { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .product-modal-box { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .search-box input { width: 160px; }
  .hero { padding: 30px 20px; min-height: auto; padding-top: 100px; }
  .hero h1 { font-size: 2rem; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .products-section, .categories-section, .features-section, .used-section, .footer, .n8n-info { padding: 40px 20px; margin: 20px; }
  .features-section { grid-template-columns: 1fr; }
  .cart-sidebar { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
}