/* --- 1. IMPOR FONT (Tambahkan link ke <head> HTML Anda) --- */
/* <link href="https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700;800&display=swap" rel="stylesheet"> */

/* --- CSS Reset & Variabel Warna --- */
:root {
    --primary-blue: #0056b3; /* Biru Primer yang Lebih Dalam (Trust & Health) */
    --secondary-green: #159c84; /* Hijau Mint/Teal (Kesehatan & Alam) */
    --accent-yellow: #ffb700; /* Kuning Emas (Aksen Premium) */
    --text-dark: #2c3e50;
    --text-light: #ffffff;
    --bg-main: #fcfcfc;
    --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-main);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

a {
    text-decoration: none;
    color: inherit;
}

/* --- 2. Header & Navigasi --- */
header {
    background: var(--text-light);
    padding: 15px 0;
    box-shadow: var(--shadow-light); /* Gunakan variabel shadow */
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: var(--primary-blue);
    font-size: 1.8em;
    font-weight: 700;
}

nav ul {
    list-style: none;
    display: flex;
}

nav ul li {
    margin-left: 30px; /* Sedikit lebih lebar */
}

nav ul li a {
    color: #6c757d; /* Abu-abu yang lebih kalem */
    transition: color 0.3s, border-bottom 0.3s;
    font-weight: 500;
    padding-bottom: 3px;
}

nav ul li a:hover {
    color: var(--primary-blue);
    border-bottom: 2px solid var(--primary-blue);
}

.btn-nav {
    background: var(--secondary-green);
    color: var(--text-light);
    padding: 10px 20px; /* Sedikit lebih besar */
    border-radius: 50px; /* Pill shape */
    transition: background 0.3s, transform 0.2s;
    font-weight: 600;
}

.btn-nav:hover {
    background: #0f7962;
    transform: translateY(-2px); /* Efek melayang */
}

/* --- 3. Tombol Umum --- */
.btn-primary {
    display: inline-block;
    background: var(--accent-yellow);
    color: var(--text-dark); /* Teks gelap di atas kuning */
    padding: 14px 30px; /* Lebih menonjol */
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.05em;
    margin-top: 25px;
    box-shadow: 0 4px 10px rgba(255, 183, 0, 0.5); /* Bayangan yang serasi */
    transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
}

.btn-primary:hover {
    background: #e6a500;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(255, 183, 0, 0.7);
}

/* --- 4. Hero Section (Visual Dinamis) --- */
.hero {
    /* Gradien yang lebih lembut dan modern */
    background: linear-gradient(135deg, #eaf4ff 0%, #ffffff 100%);
    padding: 100px 0; /* Padding lebih besar */
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 70px; /* Jarak lebih besar */
}

.hero-content {
    flex: 1;
}

.hero-content h2 {
    font-size: 3.2em; /* Lebih besar */
    color: var(--primary-blue);
    margin-bottom: 20px;
    font-weight: 800; /* Lebih tebal */
}

.hero-content p {
    font-size: 1.15em;
    color: #555;
    max-width: 85%;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 15px; /* Border radius yang lebih besar */
    box-shadow: 0 15px 40px rgba(0,0,0,0.15); /* Bayangan yang lebih dalam */
    transform: rotate(-2deg); /* Sedikit rotasi untuk efek dinamis */
    transition: transform 0.5s ease-in-out;
}

.hero-image img:hover {
    transform: rotate(0deg) scale(1.02);
}

/* --- 5. Sections Umum --- */
section {
    padding: 80px 0; /* Padding lebih banyak */
    text-align: center;
}

section h3 {
    font-size: 2.2em;
    margin-bottom: 50px;
    color: var(--primary-blue);
    font-weight: 700;
    position: relative;
}

section h3::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent-yellow);
    margin: 10px auto 0;
    border-radius: 2px;
}

/* --- 6. Keunggulan (Features) --- */
.features {
    background-color: var(--bg-main);
}

.feature-grid {
    display: flex;
    justify-content: space-around;
    gap: 40px;
}

.feature-item {
    flex: 1;
    background: var(--text-light);
    padding: 35px;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    border-top: 5px solid var(--secondary-green); /* Garis aksen di atas */
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-top-color: var(--primary-blue);
}

.feature-item h4 {
    color: var(--secondary-green);
    margin-bottom: 15px;
    font-size: 1.3em;
    font-weight: 600;
}

/* --- 7. Manfaat (Benefits) --- */
.benefits {
    background-color: var(--text-light);
}

.benefit-card {
    display: inline-block;
    width: 30%;
    margin: 15px;
    padding: 30px;
    border: none; /* Hilangkan border */
    border-radius: 10px;
    text-align: left;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.4s;
    background: #f8f8f8;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
    background: #fff;
}

.benefit-card h4 {
    color: var(--accent-yellow);
    margin-bottom: 10px;
    font-size: 1.4em;
    font-weight: 700;
}

/* --- 8. CTA (Call to Action) --- */
.cta {
    background: var(--primary-blue);
    /* Gunakan gradien yang lebih dalam */
    background: linear-gradient(90deg, #0056b3 0%, #007bff 100%);
    color: var(--text-light);
    padding: 80px 0;
    border-top: 5px solid var(--accent-yellow);
}

.cta h2 {
    font-size: 2.8em;
    margin-bottom: 20px;
    font-weight: 800;
}

.btn-cta {
    display: inline-block;
    background: var(--secondary-green);
    color: var(--text-light);
    padding: 18px 50px; /* Paling menonjol */
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.3em;
    margin-top: 30px;
    box-shadow: 0 8px 20px rgba(21, 156, 132, 0.6);
    transition: background 0.3s, transform 0.3s, box-shadow 0.3s;
}

.btn-cta:hover {
    background: #0f7962;
    transform: scale(1.05);
    box-shadow: 0 10px 25px rgba(21, 156, 132, 0.8);
}

/* --- 9. Footer --- */
footer {
    background: var(--text-dark);
    color: #aebcce;
    padding: 30px 0;
    text-align: center;
    font-size: 0.9em;
    border-top: 4px solid var(--primary-blue);
}

/* --- 10. Responsif Dasar --- */
@media (max-width: 768px) {
    /* ... (Aturan responsif dari kode lama tetap berlaku, hanya disesuaikan padding) ... */
    
    .hero {
        padding: 50px 0;
    }
    
    .hero-content h2 {
        font-size: 2em;
    }
    
    .hero .container {
        gap: 30px;
    }
    
    .hero-image img {
        transform: rotate(0deg); /* Hilangkan rotasi di HP */
    }

    .feature-grid {
        gap: 20px;
    }
    
    .feature-item {
        padding: 25px;
    }

    .cta {
        padding: 50px 0;
    }
    
    .cta h2 {
        font-size: 2em;
    }
    
    .btn-cta {
        padding: 15px 30px;
        font-size: 1.1em;
    }
}