/* =========================================
   VARIABEL WARNA & DESAIN
   ========================================= */
:root {
    --primary-dark: #1b3c2c;      /* Hijau Gelap Utama */
    --primary-light: #2c5841;     /* Hijau Gelap Hover */
    --accent-lime: #d4f27a;       /* Hijau Neon/Lime Aksens */
    --accent-hover: #c1e359;
    --text-dark: #2c3329;
    --text-light: #666e62;
    --bg-main: #f2f4ef;           /* Background Abu-abu terang */
    --white: #ffffff;
    --radius-lg: 24px;
    --radius-md: 16px;
    --shadow: 0 8px 24px rgba(27, 60, 44, 0.08);
}

/* =========================================
   RESET & TIPOGRAFI
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-main);
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 15px;
}

p {
    color: var(--text-light);
    margin-bottom: 15px;
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* =========================================
   HEADER & NAVIGASI
   ========================================= */
header {
    background-color: var(--primary-dark);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: box-shadow 0.3s ease;
}

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

.site-logo {
    height: 50px;
    border-radius: 8px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
}

nav ul li a {
    color: var(--white);
    font-weight: 600;
    font-size: 15px;
}

nav ul li a:hover {
    color: var(--accent-lime);
}

/* =========================================
   TOMBOL (BUTTONS)
   ========================================= */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-align: center;
}

.primary-btn {
    background-color: var(--accent-lime);
    color: var(--primary-dark);
}

.primary-btn:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.secondary-btn {
    background-color: transparent;
    color: var(--accent-lime);
    border: 2px solid var(--accent-lime);
    margin-left: 10px;
}

.secondary-btn:hover {
    background-color: var(--accent-lime);
    color: var(--primary-dark);
}

/* =========================================
   SECTION HERO
   ========================================= */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
    padding: 100px 0;
    color: var(--white);
    border-bottom-left-radius: 40px;
    border-bottom-right-radius: 40px;
    text-align: center;
}

.hero h2 {
    color: var(--white);
    font-size: 3rem;
    max-width: 800px;
    margin: 0 auto 20px;
    line-height: 1.2;
}

.hero p {
    color: #e0e5de;
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 30px;
}

/* =========================================
   UMUM: SECTIONS & GRID
   ========================================= */
.section-padded {
    padding: 80px 0;
}

.section-padded h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.section-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    font-size: 1.1rem;
}

.bg-light {
    background-color: var(--white);
}

/* Grid Layouts */
.product-grid, .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* =========================================
   KARTU PRODUK & FITUR
   ========================================= */
.product-item, .feature-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e8ebe5;
}

.bg-light .feature-item {
    background-color: var(--bg-main);
    border: none;
}

.product-item:hover, .feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(27, 60, 44, 0.12);
}

.product-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.product-item ul {
    list-style: none;
    margin: 20px 0;
}

.product-item ul li {
    margin-bottom: 10px;
    color: var(--text-light);
    display: flex;
    align-items: center;
}

.product-item ul li i {
    color: var(--primary-dark);
    margin-right: 10px;
    width: 20px;
}

.icon-large {
    font-size: 2.5rem;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

/* =========================================
   GALERI
   ========================================= */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.gallery-grid img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-md);
    transition: 0.3s;
}

.gallery-grid img:hover {
    transform: scale(1.03);
    border-radius: var(--radius-lg);
}

/* =========================================
   KONTAK & FOOTER
   ========================================= */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info p i {
    color: var(--primary-dark);
    margin-right: 10px;
    width: 20px;
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 25px;
}

.social-icon {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--primary-dark);
    background-color: var(--accent-lime);
    font-weight: 600;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary-dark);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-family: inherit;
    background-color: #fafafa;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-dark);
}

footer {
    background-color: var(--primary-dark);
    color: var(--white);
    text-align: center;
    padding: 40px 0;
    border-top-left-radius: 40px;
    border-top-right-radius: 40px;
    margin-top: 40px;
}

.footer-social-links a {
    color: var(--accent-lime);
    font-size: 1.5rem;
    margin: 0 10px;
}

.footer-links {
    margin-top: 15px;
}

.footer-links a {
    color: #e0e5de;
    margin: 0 5px;
}

/* =========================================
   RESPONSIF (MOBILE)
   ========================================= */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .hero h2 { font-size: 2rem; }
    
    .contact-grid { grid-template-columns: 1fr; }
    
    .secondary-btn { margin-left: 0; margin-top: 15px; display: block;}
}