/* ==================== GENEL AYARLAR ==================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #0b1d2e;                     /* Derin gece mavisi – gökyüzü hissi */
    color: #e0e0e0;
    line-height: 1.6;
    max-width: 1090px;
    margin: 0 auto;
    background-image:
        radial-gradient(circle at top left, rgba(20, 60, 100, 0.4) 0%, transparent 50%),
        radial-gradient(circle at bottom right, rgba(0, 120, 180, 0.3) 0%, transparent 50%);
}

/* ==================== BLOK ALTERNASYONU (Kontrast) ==================== */
.section {
    padding: 80px 20px;
    min-height: 400px;
}

/* Tek sayılı bloklar (1,3,5,7...) koyu mavi */
.section:nth-child(odd) {
    background: linear-gradient(135deg, #0b1d2e 0%, #112d47 100%);
    color: #e8f0ff;
}

/* Çift sayılı bloklar (2,4,6...) açık gri-mavi */
.section:nth-child(even) {
    background: linear-gradient(135deg, #1e3a5f 0%, #2c5480 100%);
    color: #ffffff;
}

/* ==================== BİRİNCİ BLOK – TEKLİF (Hero) ==================== */
#teklif {
    min-height: 470px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1920 600"><path fill="%231e3a5f" opacity="0.4" d="M0,0 L1920,0 L1920,300 Q960,500 0,300 Z"/></svg>') no-repeat bottom center / cover,
                linear-gradient(135deg, #0a1b2d 0%, #0f3055 100%);
    display: flex;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

#teklif::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%232e5a87" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.15;
}

#teklif h1 {
    font-size: 3.2rem;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.6);
    color: #00d4ff;
}

#teklif .price-highlight {
    font-size: 2rem;
    color: #00ff9d;
    margin: 30px 0;
}

/* ==================== BUTONLAR ==================== */
.btn-primary {
    display: inline-block;
    background: linear-gradient(45deg, #00b8ff, #00ff9d);
    color: #0b1d2e;
    font-weight: bold;
    font-size: 1.3rem;
    padding: 16px 40px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 8px 25px rgba(0, 200, 255, 0.4);
    transition: all 0.3s ease;
    margin-top: 20px;
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(0, 200, 255, 0.6);
    background: linear-gradient(45deg, #00ff9d, #00b8ff);
}

/* Form butonu aynı stil */
form button {
    background: linear-gradient(45deg, #00ff9d, #00b8ff);
    color: #0b1d2e;
    border: none;
    padding: 16px 30px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

form button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 255, 157, 0.5);
}

/* ==================== CONTAINER ==================== */
.container {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

/* ==================== BAŞLIKLAR ==================== */
h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    color: #00d4ff;
    position: relative;
}

h2::after {
    content: '';
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #00b8ff, #00ff9d);
    display: block;
    margin: 15px auto;
    border-radius: 2px;
}

/* ==================== FİYAT KARTLARI ==================== */
.price-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.price-card {
    background: rgba(255,255,255,0.08);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(0, 212, 255, 0.3);
    transition: all 0.3s;
}

.price-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
    border-color: #00ff9d;
}

.price-card.popular {
    border: 2px solid #00ff9d;
    transform: scale(1.05);
}

.price-card .price {
    font-size: 2.8rem;
    color: #00ff9d;
    margin: 20px 0;
    font-weight: bold;
}

/* ==================== YORUM BLOĞU ==================== */
.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.review {
    background: rgba(255,255,255,0.07);
    padding: 25px;
    border-radius: 12px;
    border-left: 5px solid #00b8ff;
    font-style: italic;
}

/* ==================== UZMANLAR ==================== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.team-member {
    background: rgba(255,255,255,0.08);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(0,212,255,0.2);
}

/* ==================== MAKALE ÖNE ÇIKARMA ==================== */
.article {
    background: linear-gradient(135deg, rgba(11,29,46,0.95), rgba(15,48,85,0.95));
    border: 2px solid #00b8ff;
    border-radius: 20px;
    box-shadow: 0 0 40px rgba(0, 180, 255, 0.3);
    padding: 60px 40px !important;
}

.article h2 {
    color: #00ffea;
    font-size: 2.8rem;
}

.article ol {
    counter-reset: item;
    padding-left: 10px;
}

.article li {
    display: block;
    margin: 25px 0;
    padding-left: 10px;
    position: relative;
}

.article li:before {
    content: counter(item) ".";
    counter-increment: item;
    color: #00ff9d;
    font-weight: bold;
    font-size: 1.5rem;
    position: absolute;
    left: -30px;
    top: -5px;
}

/* ==================== FORMA ÖZEL ==================== */
#uye-form {
    text-align: center;
    background: linear-gradient(135deg, #112d47, #1e4d7a);
}

#uye-form input[type="email"] {
    padding: 18px 25px;
    width: 380px;
    max-width: 90%;
    border-radius: 50px;
    border: none;
    font-size: 1.1rem;
    margin-bottom: 20px;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.3);
}

/* ==================== HARİTA ==================== */
.map iframe {
    border-radius: 15px;
    border: 3px solid #00b8ff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

/* ==================== FOOTER ==================== */
.footer {
    background: #0b1d2e;
    text-align: center;
    padding: 40px 20px;
    border-top: 2px solid #00b8ff;
}

/* ==================== MOBİL UYUMLULUK ==================== */
@media (max-width: 768px) {
    #teklif h1 { font-size: 2.4rem; }
    #teklif .price-highlight { font-size: 1.6rem; }
    h2 { font-size: 2rem; }
    .btn-primary { padding: 14px 30px; font-size: 1.1rem; }
    #uye-form input[type="email"] { width: 100%; }
    .price-grid, .review-grid, .team-grid { grid-template-columns: 1fr; }
    .article { padding: 40px 20px !important; }
}
