@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-card: #ffffff;
  --bg-tertiary: #e8e8ed;
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-muted: #aeaeb2;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --accent-light: rgba(0,113,227,0.1);
  --accent-rgb: 0,113,227;
  --success: #34c759;
  --success-light: rgba(52,199,89,0.1);
  --danger: #ff3b30;
  --danger-light: rgba(255,59,48,0.1);
  --warning: #ff9500;
  --border: rgba(0,0,0,0.08);
  --border-heavy: rgba(0,0,0,0.15);
  --glass-bg: rgba(255,255,255,0.82);
  --glass-border: rgba(255,255,255,0.5);
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.09);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.13);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --nav-height: 76px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --transition-fast: all 0.15s ease;
}

[data-theme="dark"] {
  --bg-primary: #000000;
  --bg-secondary: #111111;
  --bg-card: #1c1c1e;
  --bg-tertiary: #2c2c2e;
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-muted: #636366;
  --accent: #4a9eff;
  --accent-hover: #5aabff;
  --accent-light: rgba(74,158,255,0.15);
  --accent-rgb: 74,158,255;
  --border: rgba(255,255,255,0.08);
  --border-heavy: rgba(255,255,255,0.15);
  --glass-bg: rgba(28,28,30,0.88);
  --glass-border: rgba(255,255,255,0.09);
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.5);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.65);
}

/* ===== RESET ===== */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Inter', -apple-system, sans-serif; background: var(--bg-primary); color: var(--text-primary); line-height: 1.5; overflow-x: hidden; transition: background 0.3s ease, color 0.3s ease; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; outline: none; }
ul { list-style: none; }

/* ===== TYPOGRAPHY ===== */
h1,h2,h3,h4,h5,h6 { line-height: 1.1; letter-spacing: -0.02em; font-weight: 700; }
p { line-height: 1.65; color: var(--text-secondary); }

/* ===== LAYOUT ===== */
.container { width: 100%; max-width: 1260px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-sm { padding: 60px 0; }

.section-tag { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; display: block; }
.section-title { font-size: clamp(2rem, 3.5vw, 2.75rem); font-weight: 800; color: var(--text-primary); margin-bottom: 16px; letter-spacing: -0.03em; }
.section-sub { font-size: 1.1rem; color: var(--text-secondary); max-width: 520px; line-height: 1.7; }
.text-center { text-align: center; }
.text-center .section-sub { margin: 0 auto; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-sm); }
.nav-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; max-width: 1260px; margin: 0 auto; padding: 0 24px; }
.nav-logo { font-size: 1.35rem; font-weight: 900; letter-spacing: -0.5px; color: var(--text-primary); display: flex; align-items: center; gap: 6px; }
.logo-dot { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; display: inline-block; }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a { font-size: 0.9rem; font-weight: 500; color: var(--text-secondary); transition: var(--transition-fast); position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--accent); border-radius: 2px; transition: width 0.3s ease; }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.nav-icon-btn { width: 40px; height: 40px; border-radius: var(--radius-full); background: transparent; border: none; display: flex; align-items: center; justify-content: center; color: var(--text-secondary); transition: var(--transition-fast); cursor: pointer; position: relative; }
.nav-icon-btn:hover { background: var(--bg-secondary); color: var(--text-primary); }
.cart-badge { position: absolute; top: 2px; right: 2px; background: var(--accent); color: white; font-size: 9px; font-weight: 700; min-width: 16px; height: 16px; border-radius: 50%; display: flex; align-items: center; justify-content: center; line-height: 1; padding: 0 2px; display: none; }
.cart-badge.visible { display: flex; }
.theme-btn { padding: 6px 12px; border-radius: var(--radius-full); background: var(--bg-secondary); border: 1px solid var(--border); font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); transition: var(--transition-fast); }
.theme-btn:hover { color: var(--text-primary); border-color: var(--border-heavy); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
.mobile-nav { display: none; position: fixed; top: var(--nav-height); left: 0; right: 0; bottom: 0; background: var(--bg-primary); z-index: 999; padding: 32px 24px; flex-direction: column; gap: 8px; overflow-y: auto; }
.mobile-nav.open { display: flex; }
.mobile-nav a { font-size: 1.3rem; font-weight: 600; color: var(--text-primary); padding: 16px 0; border-bottom: 1px solid var(--border); }

/* ===== BUTTONS ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 26px; border-radius: var(--radius-full); font-size: 0.9rem; font-weight: 600; border: none; cursor: pointer; transition: var(--transition); white-space: nowrap; }
.btn-lg { padding: 16px 36px; font-size: 1rem; }
.btn-sm { padding: 8px 16px; font-size: 0.8rem; }
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(var(--accent-rgb), 0.35); }
.btn-dark { background: var(--text-primary); color: var(--bg-primary); }
.btn-dark:hover { opacity: 0.85; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--text-primary); border: 1.5px solid var(--border-heavy); }
.btn-outline:hover { background: var(--bg-secondary); border-color: var(--text-primary); }
.btn-icon { width: 44px; height: 44px; padding: 0; border-radius: var(--radius-full); }

/* ===== BADGES ===== */
.badge { display: inline-flex; align-items: center; padding: 4px 10px; border-radius: var(--radius-full); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.04em; }
.badge-blue { background: var(--accent-light); color: var(--accent); }
.badge-green { background: var(--success-light); color: var(--success); }
.badge-red { background: var(--danger-light); color: var(--danger); }
.badge-dark { background: var(--text-primary); color: var(--bg-primary); }

/* ===== PRODUCT CARD ===== */
.product-card { background: var(--bg-card); border-radius: var(--radius-xl); overflow: hidden; border: 1px solid var(--border); transition: var(--transition); display: flex; flex-direction: column; position: relative; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card-image { position: relative; background: var(--bg-secondary); aspect-ratio: 1; overflow: hidden; display: flex; align-items: center; justify-content: center; padding: 24px; }
.card-image img { width: 75%; height: 75%; object-fit: contain; transition: transform 0.5s cubic-bezier(0.4,0,0.2,1); }
.product-card:hover .card-image img { transform: scale(1.08); }
.card-badge { position: absolute; top: 14px; left: 14px; z-index: 2; }
.card-actions { position: absolute; bottom: 14px; right: 14px; display: flex; gap: 8px; opacity: 0; transform: translateY(6px); transition: var(--transition); z-index: 2; }
.product-card:hover .card-actions { opacity: 1; transform: translateY(0); }
.card-action-btn { width: 36px; height: 36px; border-radius: var(--radius-full); background: var(--bg-card); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--text-secondary); cursor: pointer; transition: var(--transition-fast); box-shadow: var(--shadow-sm); }
.card-action-btn:hover { background: var(--accent); color: white; border-color: var(--accent); }
.card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.card-category { font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 6px; }
.card-name { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; line-height: 1.3; }
.card-rating { display: flex; align-items: center; gap: 6px; margin-bottom: 16px; }
.stars { color: #f59e0b; font-size: 11px; }
.rating-text { font-size: 0.75rem; color: var(--text-muted); }
.card-footer { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
.price-wrap { display: flex; flex-direction: column; }
.price-now { font-size: 1.2rem; font-weight: 800; color: var(--text-primary); letter-spacing: -0.02em; }
.price-was { font-size: 0.8rem; color: var(--text-muted); text-decoration: line-through; }
.atc-btn { width: 40px; height: 40px; border-radius: var(--radius-full); background: var(--text-primary); color: var(--bg-primary); border: none; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: var(--transition); flex-shrink: 0; }
.atc-btn:hover { background: var(--accent); transform: scale(1.1); }
.atc-btn.added { background: var(--success); }

/* ===== HERO ===== */
.hero { min-height: 100vh; display: flex; align-items: center; padding-top: var(--nav-height); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -15%; right: -8%; width: 650px; height: 650px; background: radial-gradient(circle, rgba(var(--accent-rgb),0.07) 0%, transparent 70%); border-radius: 50%; pointer-events: none; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; width: 100%; }
.hero-content { animation: slideInLeft 0.8s cubic-bezier(0.4,0,0.2,1) both; }
.hero-tagline { display: inline-flex; align-items: center; gap: 8px; background: var(--accent-light); color: var(--accent); padding: 6px 14px; border-radius: var(--radius-full); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 20px; }
.hero-title { font-size: clamp(2.8rem, 5vw, 4.5rem); font-weight: 900; letter-spacing: -0.04em; line-height: 1.0; color: var(--text-primary); margin-bottom: 20px; }
.hero-title .highlight { color: var(--accent); }
.hero-desc { font-size: 1.1rem; color: var(--text-secondary); line-height: 1.75; margin-bottom: 36px; max-width: 460px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 52px; }
.hero-stats { display: flex; gap: 40px; }
.stat-num { font-size: 1.5rem; font-weight: 800; color: var(--text-primary); letter-spacing: -0.02em; line-height: 1; }
.stat-label { font-size: 0.75rem; color: var(--text-muted); font-weight: 500; margin-top: 4px; }
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; animation: slideInRight 0.8s cubic-bezier(0.4,0,0.2,1) 0.15s both; }
.hero-img { width: 100%; max-width: 520px; animation: float 4s ease-in-out infinite; filter: drop-shadow(0 40px 60px rgba(0,0,0,0.14)); position: relative; z-index: 2; }
.hero-glow { position: absolute; width: 420px; height: 420px; background: radial-gradient(circle, rgba(var(--accent-rgb),0.11) 0%, transparent 70%); border-radius: 50%; z-index: 1; }

/* ===== CATEGORY CARDS ===== */
.cats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.cat-card { background: var(--bg-secondary); border-radius: var(--radius-xl); padding: 36px 24px; text-align: center; transition: var(--transition); border: 1px solid var(--border); display: flex; flex-direction: column; align-items: center; gap: 12px; cursor: pointer; }
.cat-card:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.cat-card:hover .cat-name, .cat-card:hover .cat-count { color: white; }
.cat-icon { font-size: 2.8rem; line-height: 1; }
.cat-name { font-size: 1rem; font-weight: 700; color: var(--text-primary); transition: var(--transition); }
.cat-count { font-size: 0.78rem; color: var(--text-muted); transition: var(--transition); }

/* ===== PRODUCTS GRID ===== */
.products-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.products-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }

/* ===== DEALS BANNER ===== */
.deals-banner { background: linear-gradient(135deg,#0a0a0a 0%,#0f1729 50%,#0a0a0a 100%); border-radius: var(--radius-xl); padding: 72px 60px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; overflow: hidden; position: relative; }
.deals-banner::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 25% 50%, rgba(var(--accent-rgb),0.18) 0%, transparent 60%); }
.deals-content { position: relative; z-index: 2; }
.deals-tag { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; display: block; }
.deals-title { font-size: clamp(2rem,3.5vw,3rem); font-weight: 900; color: white; letter-spacing: -0.03em; margin-bottom: 14px; line-height: 1.1; }
.deals-sub { color: rgba(255,255,255,0.55); font-size: 1rem; margin-bottom: 32px; line-height: 1.65; }
.timer { display: flex; gap: 14px; margin-bottom: 32px; }
.timer-unit { display: flex; flex-direction: column; align-items: center; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius-md); padding: 14px 18px; min-width: 72px; }
.timer-num { font-size: 1.8rem; font-weight: 800; color: white; letter-spacing: -0.02em; line-height: 1; }
.timer-lbl { font-size: 0.65rem; color: rgba(255,255,255,0.45); text-transform: uppercase; letter-spacing: 0.1em; margin-top: 4px; }
.deals-img-wrap { position: relative; z-index: 2; display: flex; justify-content: center; align-items: center; }
.deals-img-wrap img { max-width: 380px; filter: drop-shadow(0 20px 40px rgba(0,0,0,0.4)); animation: float 3.5s ease-in-out infinite; }

/* ===== FEATURES ===== */
.features-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.feature-card { background: var(--bg-secondary); border-radius: var(--radius-xl); padding: 32px 24px; border: 1px solid var(--border); transition: var(--transition); }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.feature-icon { width: 52px; height: 52px; background: var(--accent-light); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 1.4rem; }
.feature-title { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.feature-desc { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.65; }

/* ===== TESTIMONIALS ===== */
.testimonials-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.testi-card { background: var(--bg-card); border-radius: var(--radius-xl); padding: 28px; border: 1px solid var(--border); transition: var(--transition); }
.testi-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.testi-stars { color: #f59e0b; font-size: 1rem; margin-bottom: 14px; }
.testi-text { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.75; margin-bottom: 20px; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 12px; }
.author-avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--accent-light); display: flex; align-items: center; justify-content: center; font-size: 1rem; font-weight: 700; color: var(--accent); flex-shrink: 0; }
.author-name { font-size: 0.88rem; font-weight: 700; color: var(--text-primary); }
.author-role { font-size: 0.75rem; color: var(--text-muted); }

/* ===== NEWSLETTER ===== */
.newsletter-wrap { background: var(--bg-secondary); border-radius: var(--radius-xl); padding: 64px; text-align: center; border: 1px solid var(--border); }
.newsletter-form { display: flex; gap: 10px; max-width: 460px; margin: 28px auto 0; }
.newsletter-input { flex: 1; padding: 14px 20px; border-radius: var(--radius-full); border: 1.5px solid var(--border-heavy); background: var(--bg-card); color: var(--text-primary); font-size: 0.9rem; transition: var(--transition-fast); }
.newsletter-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
.newsletter-input::placeholder { color: var(--text-muted); }

/* ===== FOOTER ===== */
.footer { background: var(--bg-secondary); border-top: 1px solid var(--border); padding: 80px 0 36px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .nav-logo { margin-bottom: 14px; }
.footer-desc { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.75; max-width: 260px; margin-bottom: 24px; }
.social-links { display: flex; gap: 10px; }
.social-link { width: 36px; height: 36px; border-radius: var(--radius-full); background: var(--bg-tertiary); display: flex; align-items: center; justify-content: center; color: var(--text-secondary); font-size: 13px; transition: var(--transition-fast); border: 1px solid var(--border); }
.social-link:hover { background: var(--accent); color: white; border-color: var(--accent); transform: translateY(-2px); }
.footer-heading { font-size: 0.85rem; font-weight: 700; color: var(--text-primary); margin-bottom: 20px; }
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { font-size: 0.85rem; color: var(--text-secondary); transition: var(--transition-fast); }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { padding-top: 28px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; font-size: 0.82rem; color: var(--text-muted); }
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== SHOP PAGE ===== */
.page-hero { background: var(--bg-secondary); padding: 52px 0 40px; border-bottom: 1px solid var(--border); }
.page-hero-title { font-size: clamp(2rem,3.5vw,2.8rem); font-weight: 900; letter-spacing: -0.03em; margin-bottom: 8px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 12px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }
.shop-layout { display: grid; grid-template-columns: 260px 1fr; gap: 40px; padding: 40px 0; }
.filters-panel { position: sticky; top: calc(var(--nav-height) + 20px); height: fit-content; }
.filters-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.filters-head h3 { font-size: 1rem; font-weight: 700; }
.clear-filters { font-size: 0.8rem; color: var(--accent); cursor: pointer; font-weight: 600; }
.filter-group { margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.filter-group:last-child { border-bottom: none; }
.filter-group-title { font-size: 0.85rem; font-weight: 700; color: var(--text-primary); margin-bottom: 14px; }
.filter-opts { display: flex; flex-direction: column; gap: 10px; }
.filter-label { display: flex; align-items: center; gap: 10px; cursor: pointer; font-size: 0.85rem; color: var(--text-secondary); transition: var(--transition-fast); }
.filter-label:hover { color: var(--text-primary); }
.filter-checkbox { width: 17px; height: 17px; border-radius: 4px; border: 1.5px solid var(--border-heavy); appearance: none; cursor: pointer; position: relative; transition: var(--transition-fast); background: var(--bg-card); flex-shrink: 0; }
.filter-checkbox:checked { background: var(--accent); border-color: var(--accent); }
.filter-checkbox:checked::after { content: '✓'; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); color: white; font-size: 10px; font-weight: 700; }
.price-range { display: flex; flex-direction: column; gap: 10px; }
.range-slider { width: 100%; accent-color: var(--accent); }
.range-labels { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--text-muted); }
.shop-main {}
.shop-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.results-count { font-size: 0.85rem; color: var(--text-secondary); }
.sort-select { padding: 9px 16px; border-radius: var(--radius-full); border: 1.5px solid var(--border-heavy); background: var(--bg-card); color: var(--text-primary); font-size: 0.85rem; cursor: pointer; }
.search-bar { display: flex; align-items: center; gap: 10px; background: var(--bg-card); border: 1.5px solid var(--border-heavy); border-radius: var(--radius-full); padding: 10px 18px; flex: 1; max-width: 320px; }
.search-bar input { flex: 1; border: none; background: transparent; color: var(--text-primary); font-size: 0.85rem; }
.search-bar input::placeholder { color: var(--text-muted); }
.no-results { text-align: center; padding: 80px 0; color: var(--text-muted); font-size: 1rem; }

/* ===== PRODUCT DETAIL ===== */
.product-detail { padding-top: var(--nav-height); }
.pd-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; padding: 60px 0; }
.pd-gallery { display: flex; flex-direction: column; gap: 16px; }
.pd-main-img { background: var(--bg-secondary); border-radius: var(--radius-xl); aspect-ratio: 1; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.pd-main-img img { width: 72%; height: 72%; object-fit: contain; transition: transform 0.5s ease; }
.pd-main-img img:hover { transform: scale(1.05); }
.pd-thumbs { display: flex; gap: 12px; overflow-x: auto; }
.pd-thumb { width: 80px; height: 80px; border-radius: var(--radius-md); background: var(--bg-secondary); border: 2px solid var(--border); display: flex; align-items: center; justify-content: center; cursor: pointer; overflow: hidden; flex-shrink: 0; transition: var(--transition-fast); }
.pd-thumb.active, .pd-thumb:hover { border-color: var(--accent); }
.pd-thumb img { width: 72%; object-fit: contain; }
.pd-info {}
.pd-category { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); margin-bottom: 12px; display: block; }
.pd-title { font-size: clamp(1.8rem,2.5vw,2.5rem); font-weight: 900; letter-spacing: -0.03em; margin-bottom: 14px; line-height: 1.1; }
.pd-rating { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.pd-stars { color: #f59e0b; }
.pd-review-count { font-size: 0.85rem; color: var(--accent); cursor: pointer; }
.pd-price-wrap { display: flex; align-items: baseline; gap: 14px; margin-bottom: 24px; }
.pd-price { font-size: 2.2rem; font-weight: 900; color: var(--text-primary); letter-spacing: -0.03em; }
.pd-price-was { font-size: 1.1rem; color: var(--text-muted); text-decoration: line-through; }
.pd-savings { background: var(--success-light); color: var(--success); padding: 4px 10px; border-radius: var(--radius-full); font-size: 0.78rem; font-weight: 700; }
.pd-desc { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.75; margin-bottom: 28px; }
.pd-options { margin-bottom: 28px; }
.pd-option-title { font-size: 0.85rem; font-weight: 700; color: var(--text-primary); margin-bottom: 12px; }
.color-opts, .storage-opts { display: flex; flex-wrap: wrap; gap: 10px; }
.color-opt { width: 32px; height: 32px; border-radius: 50%; cursor: pointer; border: 3px solid transparent; transition: var(--transition-fast); position: relative; }
.color-opt.active, .color-opt:hover { border-color: var(--accent); transform: scale(1.15); }
.storage-opt { padding: 8px 18px; border-radius: var(--radius-full); border: 1.5px solid var(--border-heavy); font-size: 0.82rem; font-weight: 600; cursor: pointer; transition: var(--transition-fast); background: var(--bg-card); color: var(--text-secondary); }
.storage-opt.active, .storage-opt:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-light); }
.pd-qty { display: flex; align-items: center; gap: 0; border: 1.5px solid var(--border-heavy); border-radius: var(--radius-full); overflow: hidden; width: fit-content; margin-bottom: 24px; }
.qty-btn { width: 44px; height: 44px; background: var(--bg-secondary); border: none; font-size: 1.2rem; cursor: pointer; color: var(--text-primary); transition: var(--transition-fast); }
.qty-btn:hover { background: var(--accent); color: white; }
.qty-num { width: 52px; text-align: center; font-weight: 700; font-size: 0.95rem; background: var(--bg-card); color: var(--text-primary); }
.pd-actions { display: flex; gap: 14px; margin-bottom: 32px; flex-wrap: wrap; }
.pd-actions .btn { flex: 1; min-width: 160px; }
.pd-features { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 8px; }
.pd-feat { display: flex; align-items: center; gap: 10px; font-size: 0.82rem; color: var(--text-secondary); }
.pd-feat-icon { color: var(--success); font-size: 1rem; }
.pd-specs { padding: 48px 0; border-top: 1px solid var(--border); }
.specs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.spec-row { display: flex; padding: 14px 20px; border-bottom: 1px solid var(--border); gap: 20px; }
.spec-row:last-child { border-bottom: none; }
.spec-row:nth-child(odd) { background: var(--bg-secondary); }
.spec-label { font-size: 0.82rem; font-weight: 700; color: var(--text-muted); min-width: 130px; }
.spec-value { font-size: 0.82rem; color: var(--text-primary); }

/* ===== CART PAGE ===== */
.cart-page { padding-top: var(--nav-height); min-height: 100vh; }
.cart-layout { display: grid; grid-template-columns: 1fr 360px; gap: 40px; padding: 48px 0; }
.cart-items { display: flex; flex-direction: column; gap: 16px; }
.cart-item { display: flex; gap: 20px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; transition: var(--transition); }
.cart-item-img { width: 100px; height: 100px; border-radius: var(--radius-md); background: var(--bg-secondary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; overflow: hidden; }
.cart-item-img img { width: 80%; object-fit: contain; }
.cart-item-info { flex: 1; }
.cart-item-cat { font-size: 0.72rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.cart-item-name { font-size: 0.95rem; font-weight: 700; margin: 4px 0 8px; color: var(--text-primary); }
.cart-item-variant { font-size: 0.78rem; color: var(--text-muted); }
.cart-item-controls { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; }
.qty-control { display: flex; align-items: center; border: 1px solid var(--border-heavy); border-radius: var(--radius-full); overflow: hidden; }
.qty-ctrl-btn { width: 32px; height: 32px; background: var(--bg-secondary); border: none; font-size: 1rem; cursor: pointer; color: var(--text-primary); transition: var(--transition-fast); }
.qty-ctrl-btn:hover { background: var(--accent); color: white; }
.qty-ctrl-num { width: 40px; text-align: center; font-weight: 700; font-size: 0.85rem; background: var(--bg-card); color: var(--text-primary); }
.cart-item-price { font-size: 1.1rem; font-weight: 800; color: var(--text-primary); }
.remove-btn { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 0.78rem; transition: var(--transition-fast); }
.remove-btn:hover { color: var(--danger); }
.cart-empty { text-align: center; padding: 80px 0; }
.cart-empty-icon { font-size: 4rem; margin-bottom: 20px; opacity: 0.3; }
.order-summary { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: 28px; position: sticky; top: calc(var(--nav-height) + 20px); height: fit-content; }
.summary-title { font-size: 1.1rem; font-weight: 800; margin-bottom: 24px; }
.summary-row { display: flex; justify-content: space-between; align-items: center; font-size: 0.88rem; padding: 10px 0; border-bottom: 1px solid var(--border); }
.summary-row:last-of-type { border-bottom: none; }
.summary-row.total { font-weight: 800; font-size: 1rem; color: var(--text-primary); padding-top: 16px; margin-top: 8px; border-top: 2px solid var(--border); }
.promo-wrap { display: flex; gap: 8px; margin: 16px 0; }
.promo-input { flex: 1; padding: 10px 16px; border-radius: var(--radius-full); border: 1.5px solid var(--border-heavy); background: var(--bg-secondary); color: var(--text-primary); font-size: 0.85rem; }
.promo-input:focus { border-color: var(--accent); }

/* ===== CHECKOUT ===== */
.checkout-page { padding-top: var(--nav-height); min-height: 100vh; padding-bottom: 80px; }
.checkout-layout { display: grid; grid-template-columns: 1fr 380px; gap: 48px; padding-top: 48px; }
.checkout-steps { display: flex; gap: 0; margin-bottom: 40px; }
.checkout-step { display: flex; align-items: center; gap: 10px; flex: 1; }
.step-circle { width: 36px; height: 36px; border-radius: 50%; background: var(--bg-tertiary); border: 2px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 0.82rem; font-weight: 700; color: var(--text-muted); flex-shrink: 0; transition: var(--transition); }
.step-circle.active { background: var(--accent); border-color: var(--accent); color: white; }
.step-circle.done { background: var(--success); border-color: var(--success); color: white; }
.step-label { font-size: 0.8rem; font-weight: 600; color: var(--text-muted); transition: var(--transition); }
.step-label.active { color: var(--text-primary); }
.step-line { flex: 1; height: 2px; background: var(--border); margin: 0 10px; }
.step-line.done { background: var(--success); }
.checkout-form-section { display: none; }
.checkout-form-section.active { display: block; }
.form-title { font-size: 1.3rem; font-weight: 800; margin-bottom: 28px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1/-1; }
.form-label { font-size: 0.82rem; font-weight: 600; color: var(--text-secondary); }
.form-input { padding: 12px 16px; border-radius: var(--radius-md); border: 1.5px solid var(--border-heavy); background: var(--bg-card); color: var(--text-primary); font-size: 0.9rem; transition: var(--transition-fast); }
.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
.form-select { padding: 12px 16px; border-radius: var(--radius-md); border: 1.5px solid var(--border-heavy); background: var(--bg-card); color: var(--text-primary); font-size: 0.9rem; cursor: pointer; }
.payment-opts { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.payment-opt { display: flex; align-items: center; gap: 14px; padding: 16px 20px; border: 2px solid var(--border); border-radius: var(--radius-lg); cursor: pointer; transition: var(--transition-fast); }
.payment-opt.selected { border-color: var(--accent); background: var(--accent-light); }
.payment-opt input { accent-color: var(--accent); }
.payment-opt-label { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); }
.payment-opt-icon { font-size: 1.5rem; }
.form-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 32px; }
.checkout-order-wrap { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: 28px; position: sticky; top: calc(var(--nav-height) + 20px); height: fit-content; }
.co-item { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.co-item-img { width: 60px; height: 60px; border-radius: var(--radius-sm); background: var(--bg-secondary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.co-item-img img { width: 80%; object-fit: contain; }
.co-item-details .co-item-name { font-size: 0.85rem; font-weight: 700; color: var(--text-primary); }
.co-item-details .co-item-qty { font-size: 0.78rem; color: var(--text-muted); }
.co-item-price { font-size: 0.9rem; font-weight: 700; margin-left: auto; color: var(--text-primary); }
.success-screen { text-align: center; padding: 60px 20px; }
.success-icon { width: 80px; height: 80px; background: var(--success-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem; margin: 0 auto 24px; }
.success-title { font-size: 2rem; font-weight: 900; margin-bottom: 12px; }
.success-sub { color: var(--text-secondary); margin-bottom: 32px; }
.order-number { background: var(--bg-secondary); border-radius: var(--radius-md); padding: 16px 24px; display: inline-block; margin-bottom: 32px; font-size: 0.9rem; }
.order-number strong { color: var(--accent); }

/* ===== ABOUT PAGE ===== */
.about-hero { background: var(--bg-secondary); padding: 80px 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding: 80px 0; align-items: center; }
.about-img { border-radius: var(--radius-xl); overflow: hidden; background: var(--bg-secondary); aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; font-size: 6rem; }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.team-card { text-align: center; }
.team-avatar { width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 14px; background: var(--accent-light); display: flex; align-items: center; justify-content: center; font-size: 2rem; }
.team-name { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.team-role { font-size: 0.8rem; color: var(--text-muted); }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value-card { background: var(--bg-secondary); border-radius: var(--radius-xl); padding: 32px; border: 1px solid var(--border); }
.value-emoji { font-size: 2rem; margin-bottom: 14px; }
.value-title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }

/* ===== CONTACT PAGE ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 64px; padding: 64px 0; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-card { display: flex; gap: 16px; align-items: flex-start; background: var(--bg-secondary); border-radius: var(--radius-lg); padding: 20px; border: 1px solid var(--border); }
.contact-card-icon { width: 44px; height: 44px; background: var(--accent-light); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.contact-form { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: 36px; }
.contact-form-title { font-size: 1.3rem; font-weight: 800; margin-bottom: 28px; }
.contact-form textarea.form-input { resize: vertical; min-height: 130px; border-radius: var(--radius-md); }
.faq-list { display: flex; flex-direction: column; gap: 0; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; cursor: pointer; font-size: 0.95rem; font-weight: 600; color: var(--text-primary); gap: 20px; }
.faq-q:hover { color: var(--accent); }
.faq-icon { font-size: 1.2rem; flex-shrink: 0; transition: transform 0.3s ease; color: var(--text-muted); }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.75; padding-bottom: 18px; display: none; }
.faq-item.open .faq-a { display: block; }

/* ===== TOAST NOTIFICATION ===== */
.toast { position: fixed; bottom: 28px; right: 28px; background: var(--text-primary); color: var(--bg-primary); padding: 14px 22px; border-radius: var(--radius-full); font-size: 0.85rem; font-weight: 600; box-shadow: var(--shadow-lg); z-index: 9999; transform: translateY(80px); opacity: 0; transition: var(--transition); display: flex; align-items: center; gap: 8px; }
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { background: var(--success); color: white; }

/* ===== ANIMATIONS ===== */
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.06); } }
.animate-fadeInUp { animation: fadeInUp 0.6s cubic-bezier(0.4,0,0.2,1) both; }
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }

/* ===== FOOTER ===== */
.footer { background: var(--bg-secondary); border-top: 1px solid var(--border); padding: 40px 0; margin-top: 80px; }
.footer-content { text-align: center; }
.footer-text { font-size: 0.9rem; color: var(--text-secondary); margin: 8px 0; }
.footer-copyright { color: var(--text-muted); margin-top: 12px; }
.footer-link { color: var(--accent); text-decoration: none; font-weight: 600; transition: var(--transition-fast); }
.footer-link:hover { color: var(--accent-hover); text-decoration: underline; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .products-grid { grid-template-columns: repeat(3,1fr); }
  .cats-grid { grid-template-columns: repeat(2,1fr); }
  .features-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .team-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-desc { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .shop-layout { grid-template-columns: 1fr; }
  .filters-panel { position: static; }
  .pd-layout { grid-template-columns: 1fr; }
  .cart-layout { grid-template-columns: 1fr; }
  .checkout-layout { grid-template-columns: 1fr; }
  .deals-banner { grid-template-columns: 1fr; padding: 48px 36px; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .section { padding: 60px 0; }
  .products-grid { grid-template-columns: repeat(2,1fr); gap: 16px; }
  .products-grid-3 { grid-template-columns: repeat(2,1fr); }
  .cats-grid { grid-template-columns: repeat(2,1fr); gap: 14px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .newsletter-form { flex-direction: column; }
  .form-grid { grid-template-columns: 1fr; }
  .pd-specs { overflow-x: auto; }
  .specs-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .checkout-steps .step-label { display: none; }
  .values-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2,1fr); }
  .hero-stats { gap: 24px; }
}