/* ============================================================
   BHAI BHAI MOBILE STORE — style.css
   Theme: Dark luxury + electric orange accent
   Fonts: Syne (display) + Outfit (body)
============================================================ */

/* ===== CSS VARIABLES ===== */
:root {
  --bg: #0a0a0f;
  --bg2: #111118;
  --bg3: #16161f;
  --card: #1a1a24;
  --card-hover: #1f1f2e;
  --border: rgba(255,255,255,0.07);
  --accent: #ff6b2b;
  --accent2: #ff9f5a;
  --accent-glow: rgba(255, 107, 43, 0.25);
  --blue: #3b82f6;
  --text: #f0f0f5;
  --text2: #a0a0b8;
  --text3: #6b6b88;
  --white: #ffffff;
  --success: #22c55e;
  --danger: #ef4444;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.4);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-display: 'Syne', sans-serif;
  --font-body: 'Outfit', sans-serif;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; outline: none; font-family: var(--font-body); }
input, textarea, select { font-family: var(--font-body); outline: none; border: none; }
ul { list-style: none; }
section { padding: 90px 0; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 99px; }

/* ===== UTILITY ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.accent { color: var(--accent); }
.accent-glow { text-shadow: 0 0 40px var(--accent-glow); }

.section-header { text-align: center; margin-bottom: 56px; }
.section-label {
  display: inline-block;
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 99px;
  padding: 4px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 10px;
}
.section-header p { color: var(--text2); font-size: 1rem; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--white);
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: var(--transition);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--accent-glow); }
.btn-primary:hover::before { opacity: 1; }
.btn-primary:active { transform: translateY(0); }
.btn-primary.full-width { width: 100%; justify-content: center; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text);
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
.btn-ghost.full-width { width: 100%; justify-content: center; }

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--card);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 10000;
  transform: translateY(80px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow);
  max-width: 320px;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast i { color: var(--success); font-size: 1.1rem; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.5); }

.nav-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 24px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 38px; height: 38px;
  background: var(--accent);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  color: white;
  box-shadow: 0 0 16px var(--accent-glow);
}
.logo-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text);
}
.logo-accent { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--text2);
  transition: var(--transition);
  position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  transform: translateX(-50%);
  width: 16px; height: 2px;
  background: var(--accent);
  border-radius: 99px;
}

.nav-actions { display: flex; align-items: center; gap: 8px; }

.search-toggle, .cart-btn {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.95rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  position: relative;
}
.search-toggle:hover, .cart-btn:hover { background: var(--accent-glow); border-color: var(--accent); color: var(--accent); }

.cart-count {
  position: absolute;
  top: -6px; right: -6px;
  background: var(--accent);
  color: white;
  width: 18px; height: 18px;
  border-radius: 50%;
  font-size: 0.65rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--bg);
  animation: pop 0.3s ease;
}
@keyframes pop { 0% { transform: scale(0); } 70% { transform: scale(1.2); } 100% { transform: scale(1); } }

.hamburger {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: var(--transition);
}
.hamburger span {
  display: block;
  width: 18px; height: 2px;
  background: var(--text);
  border-radius: 99px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.search-bar-wrap {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.search-bar-wrap.open { max-height: 80px; padding: 14px 24px; }
.search-inner {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 16px;
}
.search-inner i { color: var(--text3); font-size: 0.95rem; }
.search-inner input {
  flex: 1;
  background: transparent;
  color: var(--text);
  font-size: 0.95rem;
  padding: 12px 0;
}
.search-inner input::placeholder { color: var(--text3); }
#searchClose { background: transparent; color: var(--text3); font-size: 1rem; padding: 4px; transition: var(--transition); }
#searchClose:hover { color: var(--accent); }

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 100px 60px 60px;
  max-width: 1300px;
  margin: 0 auto;
  position: relative;
  gap: 40px;
}
.hero-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.2;
}
.orb1 {
  width: 500px; height: 500px;
  background: var(--accent);
  top: -100px; right: -100px;
}
.orb2 {
  width: 400px; height: 400px;
  background: var(--blue);
  bottom: 0; left: -100px;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,107,43,0.1);
  border: 1px solid rgba(255,107,43,0.3);
  color: var(--accent2);
  padding: 7px 16px;
  border-radius: 99px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 24px;
  animation: fadeSlideUp 0.7s ease both;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  animation: fadeSlideUp 0.7s 0.1s ease both;
}
.hero-gradient {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  color: var(--text2);
  font-size: 1.05rem;
  max-width: 460px;
  margin-bottom: 36px;
  line-height: 1.7;
  animation: fadeSlideUp 0.7s 0.2s ease both;
}
.hero-cta-group {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
  animation: fadeSlideUp 0.7s 0.3s ease both;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 20px;
  animation: fadeSlideUp 0.7s 0.4s ease both;
}
.stat span {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  display: block;
}
.stat p { color: var(--text3); font-size: 0.82rem; }
.stat-div { width: 1px; height: 36px; background: var(--border); }

/* Phone showcase */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeSlideUp 0.7s 0.2s ease both;
}
.phone-showcase {
  position: relative;
  display: flex;
  justify-content: center;
}
.phone-glow {
  position: absolute;
  width: 200px; height: 200px;
  background: var(--accent);
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.25;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { transform: translate(-50%,-50%) scale(1); opacity: 0.25; } 50% { transform: translate(-50%,-50%) scale(1.2); opacity: 0.4; } }

.phone-frame {
  width: 200px;
  height: 400px;
  background: linear-gradient(160deg, #2a2a3a, #111118);
  border-radius: 32px;
  border: 2px solid rgba(255,255,255,0.12);
  padding: 20px 14px;
  position: relative;
  box-shadow: 0 40px 80px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.1);
  animation: float 4s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

.phone-screen {
  width: 100%; height: 100%;
  background: linear-gradient(160deg, #1a1a2e, #0a0a14);
  border-radius: 20px;
  overflow: hidden;
  padding: 16px 12px;
}
.screen-notch {
  width: 50px; height: 8px;
  background: rgba(255,255,255,0.1);
  border-radius: 99px;
  margin: 0 auto 20px;
}
.screen-bar {
  height: 10px;
  background: var(--accent);
  border-radius: 99px;
  margin-bottom: 8px;
  opacity: 0.6;
}
.screen-bar.short { width: 60%; opacity: 0.3; }
.screen-icon-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 20px;
}
.s-icon {
  height: 50px;
  background: rgba(255,107,43,0.2);
  border-radius: 12px;
  border: 1px solid rgba(255,107,43,0.15);
}

.floating-tag {
  position: absolute;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 7px;
  box-shadow: var(--shadow-card);
}
.floating-tag i { color: var(--accent); }
.tag1 { top: 10%; right: -40px; animation: float 3.5s ease-in-out infinite; }
.tag2 { top: 45%; left: -50px; animation: float 3.5s 0.5s ease-in-out infinite; }
.tag3 { bottom: 12%; right: -30px; animation: float 3.5s 1s ease-in-out infinite; }

/* ===== CATEGORIES ===== */
.categories { background: var(--bg2); padding: 90px 0; }
.categories .section-header, .shop .section-header, .contact .section-header { padding: 0 24px; }
.categories-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.cat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.cat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-glow), transparent);
  opacity: 0;
  transition: var(--transition);
}
.cat-card:hover { transform: translateY(-6px); border-color: var(--accent); box-shadow: 0 12px 40px var(--accent-glow); }
.cat-card:hover::before { opacity: 1; }
.cat-icon {
  width: 64px; height: 64px;
  background: var(--accent-glow);
  border: 1px solid rgba(255,107,43,0.3);
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  color: var(--accent);
  margin: 0 auto 16px;
  transition: var(--transition);
}
.cat-card:hover .cat-icon { background: var(--accent); color: white; transform: scale(1.1); }
.cat-card h3 { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.cat-card p { color: var(--text3); font-size: 0.82rem; margin-bottom: 12px; }
.cat-count {
  display: inline-block;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 0.75rem;
  color: var(--text3);
}

/* ===== SHOP / PRODUCTS ===== */
.shop { padding: 90px 0; }
.filters-bar {
  max-width: 1200px;
  margin: 0 auto 40px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-tab {
  padding: 8px 18px;
  border-radius: 99px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text2);
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
}
.filter-tab:hover { color: var(--text); border-color: rgba(255,255,255,0.2); }
.filter-tab.active { background: var(--accent); border-color: var(--accent); color: white; }

.filter-sort select {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}
.filter-sort select:hover { border-color: var(--accent); }
.filter-sort select option { background: var(--card); }

.products-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

/* Product Card */
.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  animation: fadeIn 0.4s ease both;
  position: relative;
}
.product-card:hover { transform: translateY(-6px); box-shadow: 0 16px 48px rgba(0,0,0,0.5); border-color: rgba(255,255,255,0.12); }

.product-badge {
  position: absolute;
  top: 14px; left: 14px;
  background: var(--accent);
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 99px;
  z-index: 2;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.product-badge.new { background: var(--blue); }

.product-img-wrap {
  background: var(--bg2);
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  position: relative;
  overflow: hidden;
}
.product-img-wrap::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60px;
  background: linear-gradient(transparent, var(--card));
}
.product-img {
  font-size: 5rem;
  transition: var(--transition);
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.4));
}
.product-card:hover .product-img { transform: scale(1.1) rotate(-3deg); }

.product-info { padding: 18px 18px 20px; }
.product-category {
  font-size: 0.72rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.product-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
}
.product-rating {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
}
.stars { color: #f59e0b; font-size: 0.8rem; letter-spacing: 1px; }
.rating-count { font-size: 0.78rem; color: var(--text3); }
.product-price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.product-price {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent);
}
.product-price-old {
  font-size: 0.82rem;
  color: var(--text3);
  text-decoration: line-through;
}
.product-actions { display: flex; gap: 10px; }
.btn-add-cart {
  flex: 1;
  background: rgba(255,107,43,0.12);
  border: 1px solid rgba(255,107,43,0.3);
  color: var(--accent);
  padding: 10px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
  display: flex; align-items: center; justify-content: center; gap: 7px;
}
.btn-add-cart:hover { background: var(--accent); color: white; }
.btn-buy-now {
  flex: 1;
  background: var(--accent);
  color: white;
  padding: 10px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
  display: flex; align-items: center; justify-content: center; gap: 7px;
}
.btn-buy-now:hover { box-shadow: 0 4px 16px var(--accent-glow); transform: translateY(-1px); }

.no-results {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px;
  text-align: center;
  color: var(--text3);
}
.no-results i { font-size: 3rem; margin-bottom: 16px; display: block; }
.no-results p { font-size: 1rem; }

/* ===== ABOUT ===== */
.about {
  background: var(--bg2);
  padding: 90px 0;
  max-width: 1300px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 80px;
  padding: 90px 60px;
}
.about-img-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-orb {
  position: absolute;
  width: 300px; height: 300px;
  background: var(--accent);
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.15;
}
.about-phone-mock {
  width: 200px; height: 200px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 40px;
  display: flex; align-items: center; justify-content: center;
  font-size: 5rem;
  color: var(--accent);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow);
  animation: float 4s ease-in-out infinite;
}
.about-content .section-label { display: inline-block; margin-bottom: 14px; }
.about-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}
.about-desc { color: var(--text2); line-height: 1.8; margin-bottom: 28px; }
.about-features { margin-bottom: 32px; display: flex; flex-direction: column; gap: 12px; }
.about-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text2);
  font-size: 0.95rem;
}
.about-features li i { color: var(--success); font-size: 1rem; flex-shrink: 0; }

/* ===== CONTACT ===== */
.contact { padding: 90px 0; background: var(--bg); }
.contact-wrap {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.info-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  transition: var(--transition);
}
.info-card:hover { border-color: var(--accent); }
.info-card > i {
  width: 40px; height: 40px;
  background: var(--accent-glow);
  border: 1px solid rgba(255,107,43,0.3);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  color: var(--accent);
  flex-shrink: 0;
}
.info-card h4 { font-size: 0.85rem; font-weight: 600; margin-bottom: 3px; }
.info-card p { color: var(--text2); font-size: 0.85rem; }

.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text2); }
.form-group input, .form-group textarea {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  transition: var(--transition);
  resize: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text3); }
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); background: var(--card-hover); }
.form-error { font-size: 0.78rem; color: var(--danger); min-height: 16px; }
.form-group.error input, .form-group.error textarea { border-color: var(--danger); }

/* ===== FOOTER ===== */
.footer { background: var(--bg2); border-top: 1px solid var(--border); }
.footer-top {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p { color: var(--text3); font-size: 0.88rem; line-height: 1.7; margin-bottom: 20px; }
.social-links { display: flex; gap: 10px; }
.social-links a {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: var(--card);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text2);
  font-size: 0.9rem;
  transition: var(--transition);
}
.social-links a:hover { background: var(--accent); border-color: var(--accent); color: white; transform: translateY(-2px); }
.footer-links h4 { font-family: var(--font-display); font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; }
.footer-links a {
  color: var(--text3);
  font-size: 0.88rem;
  padding: 5px 0;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 20px 24px;
  color: var(--text3);
  font-size: 0.82rem;
}
.footer-bottom i { color: var(--accent); }

/* ===== CART SIDEBAR ===== */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.cart-overlay.open { opacity: 1; pointer-events: all; }

.cart-sidebar {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 380px;
  background: var(--bg2);
  border-left: 1px solid var(--border);
  z-index: 2001;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -8px 0 32px rgba(0,0,0,0.4);
}
.cart-sidebar.open { transform: translateX(0); }

.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.cart-header h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}
.cart-header h3 i { color: var(--accent); }
.cart-close {
  width: 36px; height: 36px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.cart-close:hover { background: var(--danger); border-color: var(--danger); }

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cart-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  animation: fadeIn 0.3s ease;
}
.cart-item-img {
  font-size: 2.2rem;
  width: 50px; height: 50px;
  background: var(--bg);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.cart-item-info { flex: 1; }
.cart-item-name { font-size: 0.88rem; font-weight: 600; margin-bottom: 4px; line-height: 1.3; }
.cart-item-price { color: var(--accent); font-size: 0.9rem; font-weight: 700; margin-bottom: 10px; }
.cart-item-controls { display: flex; align-items: center; gap: 10px; }
.qty-btn {
  width: 28px; height: 28px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.qty-btn:hover { background: var(--accent); border-color: var(--accent); }
.qty-num { font-size: 0.9rem; font-weight: 600; min-width: 20px; text-align: center; }
.cart-item-remove {
  width: 28px; height: 28px;
  background: transparent;
  border: none;
  color: var(--text3);
  font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  border-radius: 8px;
  margin-left: auto;
}
.cart-item-remove:hover { color: var(--danger); background: rgba(239,68,68,0.1); }

.cart-footer { padding: 16px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 10px; }
.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-top: 1px solid var(--border);
}
.cart-total span:first-child { font-size: 1rem; font-weight: 600; color: var(--text2); }
.cart-total span:last-child { font-family: var(--font-display); font-size: 1.3rem; font-weight: 800; color: var(--accent); }

.cart-empty {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 100%;
  padding: 40px;
  color: var(--text3);
  text-align: center;
}
.cart-empty.show { display: flex; }
.cart-empty i { font-size: 3.5rem; color: var(--text3); }
.cart-empty p { font-size: 1rem; }

/* ===== ANIMATIONS ===== */
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeSlideUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }

/* ===== RESPONSIVE — TABLET ===== */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 100px 32px 60px;
    text-align: center;
    min-height: auto;
    padding-top: 120px;
  }
  .hero-sub { margin: 0 auto 36px; }
  .hero-cta-group { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .phone-frame { width: 160px; height: 320px; }
  .tag1, .tag2, .tag3 { display: none; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .about {
    grid-template-columns: 1fr;
    padding: 90px 32px;
    gap: 40px;
    text-align: center;
  }
  .about-features li { justify-content: center; }
  .about-content .btn-primary { margin: 0 auto; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .contact-wrap { grid-template-columns: 1fr; }
}

/* ===== RESPONSIVE — MOBILE ===== */
@media (max-width: 768px) {
  section { padding: 70px 0; }
  .nav-links {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    transform: translateY(-110%);
    transition: transform 0.35s ease;
    z-index: 999;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-link { padding: 12px 16px; border-radius: var(--radius-sm); width: 100%; }
  .hamburger { display: flex; }
  .hero { padding: 90px 20px 50px; }
  .hero-visual { display: none; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); padding: 0 16px; }
  .filters-bar { padding: 0 16px; }
  .products-grid { padding: 0 16px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
  .about { padding: 70px 20px; }
  .contact-wrap { padding: 0 16px; }
  .footer-top { grid-template-columns: 1fr; padding: 40px 20px 20px; gap: 28px; }
  .cart-sidebar { width: 100%; }
  .toast { bottom: 16px; right: 16px; left: 16px; max-width: unset; }
  .section-header { padding: 0 16px; }
}

@media (max-width: 480px) {
  .categories-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .cat-card { padding: 20px 14px; }
  .hero-cta-group { flex-direction: column; align-items: center; }
  .btn-primary, .btn-ghost { width: 100%; justify-content: center; }
}