:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #64748b;
    --accent: #8b5cf6;
    --bg-main: #ffffff;
    --bg-soft: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --glass: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header & Nav */
/* Header & Nav */
header {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: 1400px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 20px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease-in-out;
}

header.scrolled {
    top: 10px;
    width: 92%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

nav {
    padding: 10px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.9;
}

.logo img {
    height: 45px;
    width: auto;
    object-fit: contain;
}

.logo span {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    opacity: 0.8;
}

.nav-links li a:hover {
    opacity: 1;
    color: var(--primary);
}

.cart-nav {
    margin-left: 8px;
}

.cart-btn-link {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white !important;
    padding: 10px 20px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700 !important;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.2);
    transition: all 0.3s ease;
}

.cart-btn-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
    opacity: 1 !important;
}

#cart-count {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    font-size: 0.8rem;
    padding: 2px 8px;
    border-radius: 6px;
    font-weight: 800;
}

/* Hero Section */
.hero {
    padding: 180px 20px 100px;
    background: radial-gradient(circle at top right, #eef2ff, transparent);
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(to right, #4f46e5, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn-primary {
    background: var(--primary);
    color: white;
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.3);
}

.btn-outline {
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 13px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
}

/* Stats Section */
.stats {
    padding: 60px 20px;
    background: var(--bg-soft);
}

.stats-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-item p {
    color: var(--text-muted);
    font-weight: 600;
}

/* Features */
.features {
    padding: 100px 20px;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 800;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    padding: 40px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid #e2e8f0;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-weight: 700;
}

/* Footer */
footer {
    padding: 80px 20px 40px;
    background: #0f172a;
    color: #fff;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 60px;
    margin-bottom: 60px;
}

.footer-col h4 {
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-col ul a:hover {
    color: #fff;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 40px;
    border-top: 1px solid #1e293b;
    text-align: center;
    color: #64748b;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero h1 { font-size: 2.5rem; }
}