:root {
    --primary: #4B5E40; /* Zeytin Yeşili */
    --primary-light: #6A825B;
    --secondary: #D4B483; /* Buğday Sarısı */
    --accent: #E07A5F; /* Kiremit Kırmızısı */
    --bg-color: #FAFAF7; /* Çok açık krem */
    --card-bg: #FFFFFF;
    --text-dark: #2C2C2C;
    --text-light: #666666;
    --border: #E5E5E5;
    --whatsapp: #25D366;
    --whatsapp-dark: #128C7E;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- Header & Nav --- */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

.wa-btn-small {
    background-color: var(--whatsapp);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.3s;
}

.wa-btn-small:hover {
    background-color: var(--whatsapp-dark);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.6));
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    padding: 0 2rem;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 4rem;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.btn-primary {
    display: inline-block;
    background-color: var(--primary);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

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

/* --- Products Section --- */
.products-section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

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

/* Filters */
.filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--text-light);
    transition: all 0.3s;
}

.filter-btn.active, .filter-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

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

.product-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.product-info {
    padding: 1.5rem;
}

.product-category {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--secondary);
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.product-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.btn-whatsapp {
    display: block;
    width: 100%;
    padding: 0.8rem;
    background-color: var(--whatsapp);
    color: white;
    text-align: center;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s;
    font-family: var(--font-body);
}

.btn-whatsapp i {
    margin-right: 8px;
}

.btn-whatsapp:hover {
    background-color: var(--whatsapp-dark);
}

/* --- Features Section --- */
.features {
    background-color: var(--primary);
    color: white;
    padding: 4rem 2rem;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: center;
}

.feature i {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.feature h3 {
    font-family: var(--font-heading);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

/* --- FAQ Section --- */
.faq-section {
    padding: 5rem 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.accordion {
    margin-top: 2rem;
}

.accordion-item {
    background: var(--card-bg);
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}

.accordion-header {
    width: 100%;
    padding: 1.2rem 1.5rem;
    text-align: left;
    background: transparent;
    border: none;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-content {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
    color: var(--text-light);
}

.accordion-header.active + .accordion-content {
    padding-bottom: 1.5rem;
    max-height: 200px; /* Adjust based on content */
}

/* --- Footer --- */
footer {
    background: #1a1a1a;
    color: white;
    text-align: center;
    padding: 3rem 2rem;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--secondary);
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .features-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; } /* Add mobile menu later if needed */
}