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

:root {
    --primary-blue: #007AFF;
    --light-blue: #E5F0FF;
    --primary-green: #34C759;
    --light-green: #E8F8EB;
    --dark-text: #1C1C1E;
    --bg-color: #F2F2F7;
}

body {
    font-family: 'Nunito', sans-serif;
    background-color: var(--bg-color);
    color: var(--dark-text);
}

h1, h2, h3, h4, h5, h6, .navbar-brand, .font-heading {
    font-family: 'Quicksand', sans-serif;
    font-weight: 700;
}

/* Navbar & Glassmorphism */
.glass-nav {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-link { font-weight: 600; color: var(--dark-text) !important; transition: 0.3s; }
.nav-link:hover { color: var(--primary-blue) !important; }

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--light-green) 100%);
    border-radius: 2rem;
    position: relative;
    overflow: hidden;
    border: 2px solid #ffffff;
}

.search-bar-hero {
    border-radius: 50px;
    padding: 5px;
    background: white;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}
.search-bar-hero input { border: none; box-shadow: none !important; font-size: 1.1rem; }
.search-bar-hero .btn { border-radius: 50px; padding: 10px 30px; }

/* Bento Grid System */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
}

.bento-card {
    background: white;
    border-radius: 1.5rem;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    border: 1px solid rgba(0,0,0,0.02);
}

.bento-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 122, 255, 0.1);
}

/* Spesifik Bento Item */
.bento-trending { grid-column: span 12; }
@media (min-width: 992px) {
    .bento-kelas { grid-column: span 4; } /* 3 Kotak sejajar */
    .bento-trending { grid-column: span 4; grid-row: span 2; } /* Memanjang ke bawah di kanan */
    .bento-perpus { grid-column: span 8; } /* Memanjang ke samping */
}

/* Card Kelas */
.kelas-img-wrapper {
    background: var(--light-blue);
    border-radius: 1rem;
    padding: 1rem;
    text-align: center;
    margin-bottom: 1rem;
}
.kelas-img-wrapper img { max-height: 100px; object-fit: contain; }

/* Promo & Gradient */
.bg-gradient-blue-green {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: white;
}

.user-profile-img { width: 35px; height: 35px; border-radius: 50%; object-fit: cover; border: 2px solid var(--primary-green); }