:root {
    --primary: #16a34a;
    /* Green-600 */
    --primary-dark: #15803d;
    /* Green-700 */
    --secondary: #f59e0b;
    /* Amber-500 */
    --dark: #111827;
    /* Gray-900 */
    --light: #f9fafb;
    /* Gray-50 */
    --gray: #6b7280;
    /* Gray-500 */
    --white: #ffffff;
    --font-main: 'Outfit', sans-serif;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navbar */
.navbar {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
}

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

.logo-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    text-decoration: none;
    line-height: 1.2;
}

.sub-logo {
    font-size: 0.8rem;
    color: var(--gray);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.cahaya-logo {
    height: 50px;
    width: auto;
    object-fit: contain;
    margin-bottom: 0.25rem;
}

.highlight {
    color: var(--primary);
}

/* Buttons */
.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--dark);
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid var(--gray);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: var(--light);
    border-color: var(--dark);
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
    padding: 1rem 2rem;
    border-radius: 9999px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: scale(1.05);
}

/* Hero Section */
.hero {
    padding-top: 8rem;
    padding-bottom: 4rem;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    margin: 0 auto;
}

.badge {
    background-color: #dbeafe;
    color: #1e40af;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.text-gradient {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 2.5rem;
}

.price-card {
    background: white;
    padding: 2rem;
    border-radius: 1.5rem;
    box-shadow: var(--shadow-lg);
    margin-bottom: 2.5rem;
    display: inline-block;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.price-header {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.original-price {
    text-decoration: line-through;
    color: var(--gray);
    font-size: 1.1rem;
}

.discount-tag {
    background-color: #fee2e2;
    color: #991b1b;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 700;
}

.current-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.per-head {
    font-size: 1rem;
    color: var(--gray);
    font-weight: 400;
}

.promo-validity {
    color: var(--secondary);
    font-weight: 600;
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.cta-group {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: white;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--gray);
    font-size: 1.1rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--light);
    padding: 2rem;
    border-radius: 1rem;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--gray);
}

/* Gallery Section */
.gallery {
    padding: 5rem 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

@media (max-width: 768px) {
    .gallery-item img {
        height: auto;
        max-height: 400px;
        object-fit: contain;
        background-color: #f3f4f6;
    }
}

.gallery-info {
    padding: 1.5rem;
}

.gallery-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.gallery-info p {
    color: var(--gray);
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--dark), #1f2937);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    color: #9ca3af;
    margin-bottom: 2.5rem;
    font-size: 1.2rem;
}

/* Footer */
footer {
    background-color: var(--dark);
    color: var(--gray);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid #374151;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .hero {
        padding-top: 6rem;
    }

    .cta-group {
        flex-direction: column;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }
}