/* ---------- Genel Stiller ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f8f9fa;
    color: #2c3e50;
    line-height: 1.6;
}

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

h1 {
    text-align: center;
    margin: 20px 0 30px;
    color: #2c3e50;
    font-size: 2.2rem;
    font-weight: 700;
}

/* ---------- Butonlar / Tabs ---------- */
.buttons-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
    padding: 0 10px;
}

.contract-btn {
    padding: 12px 20px;
    border-radius: 8px;
    border: 1px solid #ddd;
    background-color: #fff;
    color: #555;
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    white-space: nowrap;
}

.contract-btn:hover {
    background-color: #f1f5f9;
    border-color: #cbd5e1;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.contract-btn.active {
    background-color: #3498db;
    color: #fff;
    border-color: #3498db;
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

/* ---------- Sözleşme İçerik ---------- */
.contract-content {
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    overflow: hidden;
    padding: 25px 35px;
    margin-bottom: 40px;
}

.contract-content h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.8rem;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

.contract-content p {
    margin-bottom: 16px;
    font-size: 1.02rem;
    color: #444;
    text-align: justify;
}

.contract-content a.download-btn {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 16px;
    background-color: #3498db;
    color: #fff;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.contract-content a.download-btn:hover {
    background-color: #2980b9;
}

/* Liste ve Başlıklar */
.contract-content ul,
.contract-content ol {
    margin: 16px 0;
    padding-left: 25px;
}

.contract-content li {
    margin-bottom: 8px;
    color: #444;
}

.contract-content strong {
    color: #2c3e50;
}

/* Scrollbar */
.contract-content::-webkit-scrollbar {
    width: 8px;
}

.contract-content::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.contract-content::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 10px;
}

.contract-content::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* ---------- Iframe / PDF ---------- */
.contract-content iframe {
    width: 100%;
    height: 400px;
    border: none;
    border-radius: 6px;
    margin-top: 15px;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .buttons-container {
        overflow-x: auto;
        justify-content: flex-start;
        padding: 0 15px;
        margin: 0 -10px 25px;
    }

    .contract-btn {
        padding: 10px 14px;
        font-size: 0.9rem;
    }

    .contract-content {
        padding: 20px;
    }

    h1 {
        font-size: 1.8rem;
        margin: 15px 0 25px;
    }

    .contract-content h2 {
        font-size: 1.5rem;
    }
}