:root {
    --primary: #020617;
    /* Slate dark modern primary */
    --primary-accent: #3b82f6;
    /* Trust blue */
    --dark: #0f172a;
    --light: #f8fafc;
    --white: #ffffff;
    --gray: #64748b;
    --border: #e2e8f0;
    --success: #10b981;
    --danger: #ef4444;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--dark);
    background-color: var(--light);
    line-height: 1.6;
}

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center {
    text-align: center;
}

.py-5 {
    padding: 4rem 0;
}

.mt-4 {
    margin-top: 1rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
    font-size: 15px;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    filter: brightness(1.1);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-accent);
    border: 2px solid var(--primary-accent);
}

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

/* Navbar */
.navbar {
    height: 80px;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.5px;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--gray);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-toggle span {
    width: 25px;
    height: 2px;
    background: var(--primary-accent);
    transition: 0.3s;
}

@media (max-width: 991px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-toggle {
        display: flex;
    }

    .logo {
        font-size: 1.25rem;
    }
}

.cart-icon {
    position: relative;
    display: flex;
    align-items: center;
    gap: 6px;
}

.cart-count {
    background: var(--primary-accent);
    color: white;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

/* Hero */
.hero {
    background-color: #f1f5f9;
    padding: 120px 0;
    overflow: hidden;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 52px;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--primary);
    font-weight: 700;
}

.hero-text p {
    font-size: 19px;
    color: var(--gray);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

/* Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
}

.product-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.product-info {
    padding: 24px;
}

.product-category {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--primary-accent);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.product-title {
    font-size: 19px;
    margin-bottom: 12px;
    font-weight: 650;
}

.product-desc {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 20px;
    height: 4.8em;
    overflow: hidden;
}

.product-price {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
}

/* FAQ */
.faq-section {
    background: var(--white);
    padding: 80px 0;
    border-top: 1px solid var(--border);
}

.faq-item {
    margin-bottom: 24px;
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: 12px;
}

.faq-item h4 {
    margin-bottom: 12px;
    color: var(--primary);
}

/* Footer */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 48px;
    margin-bottom: 60px;
}

.footer h3 {
    font-size: 18px;
    margin-bottom: 24px;
    font-weight: 600;
}

.footer p,
.footer li {
    color: #94a3b8;
    font-size: 14px;
    margin-bottom: 12px;
}

.footer a:hover {
    color: var(--white);
    transition: var(--transition);
}

.footer-bottom {
    border-top: 1px solid #1e293b;
    padding-top: 32px;
    text-align: center;
    color: #64748b;
    font-size: 13px;
}

/* Cart & Checkout */
.cart-layout {
    display: grid;
    grid-template-columns: 2fr 1.2fr;
    gap: 40px;
}

.cart-items-list {
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--border);
    padding: 32px;
}

.cart-item {
    display: flex;
    gap: 24px;
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
    justify-content: space-between;
    align-items: center;
}

.cart-item-img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    object-fit: cover;
}

.qty-btn {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--light);
    cursor: pointer;
}

.summary-card {
    background: var(--white);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border);
    height: fit-content;
}

/* Forms */
.form-container {
    max-width: 550px;
    margin: 0 auto;
    background: var(--white);
    padding: 48px;
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 550;
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-accent);
}

.checkbox-group {
    display: flex;
    gap: 12px;
    font-size: 13px;
    color: var(--gray);
    align-items: flex-start;
}

@media (max-width: 900px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .cart-layout {
        grid-template-columns: 1fr;
    }

    .hero-text h1 {
        font-size: 38px;
    }
}