:root {
    --bg-main: #f0fdf4; /* very soft green/cyan */
    --bg-card: #ffffff;
    --text-dark: #0f172a;
    --text-muted: #475569;
    --primary-color: #0284c7; /* blue */
    --primary-light: #e0f2fe;
    --primary-hover: #0369a1;
    --border-color: #d1fae5; /* light green border */
    
    /* Blue and Green Nuances for Icons */
    --icon-blue: #0284c7;
    --icon-blue-bg: #e0f2fe;
    --icon-green: #10b981;
    --icon-green-bg: #d1fae5;
    --icon-teal: #0d9488;
    --icon-teal-bg: #ccfbf1;
    --icon-cyan: #0891b2;
    --icon-cyan-bg: #cffafe;
    --icon-emerald: #059669;
    --icon-emerald-bg: #a7f3d0;
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navbar */
.navbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-logo {
    height: 44px;
    width: auto;
    max-width: 250px;
    object-fit: contain;
}

.search-wrapper {
    position: relative;
    width: 300px;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

#searchInput {
    width: 100%;
    padding: 0.6rem 1rem 0.6rem 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    background: var(--bg-main);
    transition: all 0.2s;
}

#searchInput:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
    background: var(--bg-card);
}

/* Main Content */
.main-content {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 0 2rem;
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 6rem 1rem 5rem;
    text-align: center;
    width: 100%;
    background-image: linear-gradient(rgba(248, 250, 252, 0.6), rgba(248, 250, 252, 0.8)), url('bg_sekolah.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    margin-bottom: 3rem;
    border-top: 6px solid var(--primary-color);
    border-bottom: 6px solid var(--primary-color);
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.text-primary {
    background: linear-gradient(135deg, #0284c7, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services-section {
    padding-bottom: 6rem;
}

.section-header {
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--text-muted);
}

/* Grid & Cards */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.75rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px -2px rgba(0, 0, 0, 0.02);
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    box-shadow: 0 12px 25px -5px rgba(37, 99, 235, 0.1), 0 8px 10px -6px rgba(37, 99, 235, 0.05);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* Icon Color Variations */
.icon-box.blue { background: var(--icon-blue-bg); color: var(--icon-blue); }
.icon-box.green { background: var(--icon-green-bg); color: var(--icon-green); }
.icon-box.teal { background: var(--icon-teal-bg); color: var(--icon-teal); }
.icon-box.cyan { background: var(--icon-cyan-bg); color: var(--icon-cyan); }
.icon-box.emerald { background: var(--icon-emerald-bg); color: var(--icon-emerald); }

.action-icon {
    color: var(--text-muted);
    font-size: 1.25rem;
    opacity: 0;
    transform: translate(-10px, 10px);
    transition: all 0.3s ease;
}

.service-card:hover .action-icon {
    opacity: 1;
    transform: translate(0, 0);
    color: var(--primary-color);
}

.card-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.card-body p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Footer */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
    margin-top: auto;
}

.footer-content {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Mobile Bottom Navigation (Hidden on Desktop) */
.mobile-bottom-nav {
    display: none;
}

/* Responsive Design - Mobile Native App Feel */
@media (max-width: 768px) {
    body {
        padding-bottom: 80px; /* Space for bottom nav */
        background-color: var(--bg-card);
    }

    .navbar {
        border-bottom: none;
    }

    .nav-container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
        align-items: flex-start;
    }
    
    .search-wrapper {
        width: 100%;
    }

    .hero-section {
        padding: 1.5rem 1rem 1rem;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .section-header {
        text-align: center;
        margin-bottom: 1.5rem;
    }

    .main-content {
        padding: 0 1rem;
    }

    /* Grid native app style */
    .grid-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem 0.5rem;
        padding: 0 0.25rem;
    }

    .service-card {
        padding: 0.5rem;
        border: none;
        box-shadow: none;
        align-items: center;
        text-align: center;
        border-radius: 12px;
    }
    
    .service-card:hover {
        transform: scale(0.95);
        box-shadow: none;
        background-color: var(--bg-main);
    }

    .card-header {
        margin-bottom: 0.5rem;
        justify-content: center;
        width: 100%;
    }
    
    .icon-box {
        width: 64px;
        height: 64px;
        border-radius: 18px;
        font-size: 2rem;
        margin: 0 auto;
        box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    }

    .action-icon {
        display: none;
    }

    .card-body h3 {
        font-size: 0.75rem;
        margin-bottom: 0;
        font-weight: 600;
        line-height: 1.2;
    }

    .card-body p {
        display: none;
    }

    /* Mobile Bottom Navigation */
    .mobile-bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-top: 1px solid var(--border-color);
        padding: 0.5rem 1rem;
        justify-content: space-around;
        z-index: 1000;
        padding-bottom: calc(0.5rem + env(safe-area-inset-bottom));
        box-shadow: 0 -2px 10px rgba(0,0,0,0.03);
    }

    .nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-decoration: none;
        color: var(--text-muted);
        gap: 0.25rem;
        padding: 0.5rem;
        border-radius: 12px;
        transition: all 0.2s ease;
    }

    .nav-item i {
        font-size: 1.5rem;
    }

    .nav-item span {
        font-size: 0.65rem;
        font-weight: 600;
    }

    .nav-item.active, .nav-item:active {
        color: var(--primary-color);
    }

    .footer {
        display: none;
    }
}