:root {
    --techmobi-primary: #0d1b3d;
    --techmobi-accent: #ffb703;
    --techmobi-accent-2: #219ebc;
}

body {
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
    background-color: #f7f8fa;
    color: #212529;
}

/* Navbar */
.techmobi-navbar {
    background: linear-gradient(90deg, var(--techmobi-primary), #16255c);
}

/* Hero banner */
.hero-banner {
    background: linear-gradient(120deg, var(--techmobi-primary) 0%, #1d2f6b 60%, var(--techmobi-accent-2) 130%);
    color: #fff;
    padding: 80px 0;
}

.hero-banner h1 {
    font-weight: 700;
}

.hero-banner .btn-shop {
    background-color: var(--techmobi-accent);
    border: none;
    color: #0d1b3d;
    font-weight: 600;
}

.hero-banner .btn-shop:hover {
    background-color: #ffcc33;
    color: #0d1b3d;
}

/* Category cards */
.category-card {
    border: none;
    border-radius: 14px;
    transition: transform .2s ease, box-shadow .2s ease;
    background: #fff;
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}

.category-icon {
    font-size: 2rem;
    color: var(--techmobi-accent-2);
}

/* Product cards */
.product-card {
    border: none;
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    transition: transform .2s ease, box-shadow .2s ease;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.product-card .card-img-top {
    height: 220px;
    object-fit: cover;
    background: #eef1f5;
}

.price-tag {
    color: var(--techmobi-primary);
    font-weight: 700;
    font-size: 1.15rem;
}

.old-price {
    text-decoration: line-through;
    color: #999;
    font-size: 0.9rem;
}

.badge-discount {
    background-color: #e63946;
}

.badge-stock {
    background-color: #2a9d8f;
}

.badge-outstock {
    background-color: #adb5bd;
}

/* Buttons */
.btn-techmobi {
    background-color: var(--techmobi-primary);
    color: #fff;
    border: none;
}

.btn-techmobi:hover {
    background-color: #16255c;
    color: #fff;
}

.btn-outline-techmobi {
    border: 1px solid var(--techmobi-primary);
    color: var(--techmobi-primary);
    background: transparent;
}

.btn-outline-techmobi:hover {
    background-color: var(--techmobi-primary);
    color: #fff;
}

/* Cart */
.cart-qty-btn {
    width: 32px;
    height: 32px;
    padding: 0;
    line-height: 1;
}

.cart-thumb {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 8px;
    background: #eef1f5;
}

/* Footer */
.techmobi-footer {
    background-color: var(--techmobi-primary);
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
}

.footer-link:hover {
    color: var(--techmobi-accent);
}

/* Product details */
.detail-image {
    border-radius: 16px;
    background: #fff;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

/* Checkout / success */
.success-icon {
    font-size: 5rem;
    color: #2a9d8f;
}