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

body {
    font-family: 'Inter', sans-serif;
    background-color: #0A0A0A;
    color: #e5e7eb;
    min-height: 100vh;
    background-image: 
        radial-gradient(circle at center top, rgba(30, 25, 20, 0.8) 0%, #0A0A0A 60%),
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 100% 100%, 30px 30px, 30px 30px;
    background-position: top center, center center, center center;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-box {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #FCD34D, #F59E0B);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
}

.logo-box svg {
    width: 20px;
    height: 20px;
}

.logo-text {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 1px;
    color: #ffffff;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    color: #9ca3af;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.2s;
}

.nav-link:hover {
    color: #ffffff;
}

.btn-batches {
    background-color: #FACC15;
    color: #000000;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    padding: 10px 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.2s;
}

.btn-batches:hover {
    background-color: #EAB308;
}

.header {
    text-align: center;
    padding: 80px 20px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.session-badge {
    display: inline-flex;
    align-items: center;
    background-color: rgba(255, 204, 0, 0.05);
    border: 1px solid rgba(255, 204, 0, 0.2);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: #FACC15;
    margin-bottom: 24px;
}

.session-badge .dot {
    width: 6px;
    height: 6px;
    background-color: #FACC15;
    border-radius: 50%;
    margin-right: 8px;
    box-shadow: 0 0 8px #FACC15;
}

.title {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 16px;
    color: #ffffff;
    letter-spacing: -1px;
}

.title .highlight {
    color: #FACC15;
}

.subtitle {
    max-width: 650px;
    color: #9ca3af;
    line-height: 1.6;
    font-size: 16px;
    margin-bottom: 40px;
}

.search-container {
    width: 100%;
    max-width: 650px;
    position: relative;
}

.search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #6b7280;
    font-size: 18px;
}

.search-input {
    width: 100%;
    padding: 18px 20px 18px 50px;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: #ffffff;
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: all 0.3s;
}

.search-input:focus {
    border-color: rgba(250, 204, 21, 0.5);
    background-color: rgba(255, 255, 255, 0.05);
}

.search-input::placeholder {
    color: #6b7280;
}

.batches-container {
    display: flex;
    justify-content: center;
    gap: 24px;
    padding: 20px;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.batch-card {
    width: 320px;
    border-radius: 16px;
    overflow: hidden;
    background-color: #111111;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-image {
    height: 200px;
    position: relative;
    background-color: #1a1a1a;
    background-size: cover;
    background-position: center;
}

.placeholder-img1 { background: linear-gradient(135deg, #0f172a, #064e3b); }
.placeholder-img2 { background: linear-gradient(135deg, #1e3a8a, #0f172a); }
.placeholder-img3 { background: linear-gradient(135deg, #1e3a8a, #111827); }

.class-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: #FACC15;
    color: #000;
    font-size: 11px;
    font-weight: 800;
    padding: 4px 8px;
    border-radius: 4px;
}

.price-badge {
    position: absolute;
    top: 12px;
    right: 50px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.original-price {
    color: #fff;
    text-decoration: line-through;
    font-size: 10px;
    opacity: 0.7;
}

.current-price {
    color: #FACC15;
    font-weight: 700;
    font-size: 14px;
}

.wishlist-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Mobile Bottom Nav Styles */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    padding: 10px 0;
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
}

.mobile-nav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    color: #6b7280;
    cursor: pointer;
    transition: color 0.3s;
}

.mobile-nav-btn:hover {
    color: #FACC15;
}

.mobile-nav-btn.active {
    color: #FACC15;
}

.mobile-nav-btn .icon {
    width: 20px;
    height: 20px;
}

.mobile-nav-btn span {
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Footer */
.site-footer {
    width: 100%;
    max-width: 1200px;
    margin: 60px auto 0;
    padding: 32px 20px 24px;
    border-top: 1px solid rgba(255,255,255,0.05);
    text-align: center;
}

.footer-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
    opacity: 0.4;
    transition: opacity 0.2s;
}

.footer-icon:hover {
    opacity: 0.8;
}

.footer-text {
    color: #575757;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.footer-copy {
    color: #444;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-top: 8px;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    body {
        padding-bottom: 70px;
    }
    .navbar {
        padding: 15px 20px;
    }
    .nav-links {
        display: none;
    }
    .mobile-bottom-nav {
        display: flex;
        justify-content: space-around;
    }
    .title {
        font-size: 36px;
    }
    .header {
        padding: 40px 20px 20px;
    }
    .subtitle {
        font-size: 14px;
        margin-bottom: 24px;
    }
    .batch-card {
        width: 100%;
        max-width: 350px;
    }
    .search-input {
        padding: 14px 20px 14px 45px;
        font-size: 14px;
    }
}