:root {
    --primary-color: #2e7d32;
    --secondary-color: #1b5e20;
    --accent-color: #f1f8e9;
    --text-color: #333;
    --white: #ffffff;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
    padding: 40px 0;
}

header {
    background: var(--primary-color);
    color: var(--white);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: 0.3s;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 80%;
    margin: auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li a {
    color: var(--white);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
}

.hero {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1500382017468-9049fed747ef?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.hero h1 { font-size: 3.5rem; margin-bottom: 20px; }
.hero p { font-size: 1.5rem; margin-bottom: 30px; }

.btn {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    transition: 0.3s;
    font-weight: bold;
}

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

.section { padding: 60px 0; }
.bg-light { background: var(--accent-color); }

h2 {
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
}

.highlight-box {
    background: var(--accent-color);
    border-left: 5px solid var(--primary-color);
    padding: 20px;
    font-size: 1.2rem;
    border-radius: 0 8px 8px 0;
}

.success-badge {
    margin-top: 30px;
    text-align: center;
    font-weight: bold;
    color: var(--primary-color);
    font-size: 1.1rem;
}

/* Kurum Logoları Efektleri */
.kurum-logolari {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.kurum-logo {
    height: 80px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.4s ease;
    cursor: pointer;
}

.kurum-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.1);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.feature-card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.timeline {
    border-left: 3px solid var(--primary-color);
    margin-left: 20px;
    padding-left: 20px;
}

.timeline-item {
    margin-bottom: 30px;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -31px;
    top: 5px;
    width: 15px;
    height: 15px;
    background: var(--primary-color);
    border-radius: 50%;
}

footer {
    background: #333;
    color: var(--white);
    text-align: center;
    padding: 40px 0;
}