/* =========================================
   1. TEMEL SIFIRLAMA VE AYARLAR
   ========================================= */
html {
    scroll-behavior: smooth;
}

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

body {
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

section {
    scroll-margin-top: 100px;
}

/* =========================================
   2. HEADER VE NAVİGASYON (MENÜ)
   ========================================= */
header {
    background-color: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    padding: 1.2rem 0;
    position: sticky;
    top: 0; 
    z-index: 1000;
}

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

.logo img {
    max-height: 60px;
    display: block;
    object-fit: contain;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

nav ul li {
    position: relative;
    display: flex;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: #2b2d42;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

nav > ul > li > a:hover {
    color: #e63946;
}

.btn-call {
    background-color: #e63946;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
}

/* =========================================
   3. HERO (ANA KARŞILAMA EKRANI)
   ========================================= */
.hero {
    background: linear-gradient(rgba(10, 25, 47, 0.85), rgba(10, 25, 47, 0.85)), url('bg.png') center 63%/cover no-repeat;
    background-color: #1d3557;
    color: white;
    text-align: center;
    padding: 7rem 1rem;
    margin-bottom: 4rem;
}

.hero h2 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    font-weight: 300;
}

/* =========================================
   4. ALT SAYFA BAŞLIKLARI (İNCE ŞERİTLER)
   ========================================= */
.page-banner {
    width: 100%;
    background-color: #1d3557;
    color: white;
    text-align: center;
    padding: 1.2rem 1rem;
    margin-bottom: 3rem;
}

.page-banner h2 {
    font-size: 2.2rem;
    font-weight: bold;
    margin-bottom: 0.2rem;
    letter-spacing: normal; 
}

.page-banner p {
    font-size: 0.95rem;
    font-weight: 500;
    color: #e2e8f0;
}

.page-banner p span {
    margin: 0 0.8rem;
    color: white;
    font-size: 1.2rem;
    vertical-align: middle;
}

/* =========================================
   5. HAKKIMIZDA BÖLÜMÜ
   ========================================= */
.about-section {
    display: flex;
    gap: 4rem;
    align-items: center;
    margin-bottom: 5rem;
}

.about-image {
    flex: 1;
    border-bottom: 25px solid #1d3557;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.about-image img {
    width: 100%;
    display: block;
}

.about-text {
    flex: 1;
}

.about-text h4 {
    color: #0056b3;
    font-size: 1rem;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.about-text h2 {
    color: #1d3557;
    font-size: 2.4rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: #555;
    margin-bottom: 1.2rem;
    font-size: 1rem;
    text-align: justify;
}

/* =========================================
   6. HİZMETLER SİSTEMİ
   ========================================= */
.services-section {
    margin-bottom: 5rem;
}

.grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.service-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border-left: 5px solid #457b9d;
    transition: transform 0.2s ease;
}

.service-card:hover {
    transform: translateX(5px);
}

/* =========================================
   7. GALERİ BÖLÜMÜ
   ========================================= */
.gallery-section {
    margin-bottom: 5rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.gallery-grid img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.gallery-grid img:hover {
    transform: scale(1.03);
}

.gallery-grid img.sigdir {
    object-fit: contain;
    background-color: #f1f3f5;
}

.gallery-grid img.ortala {
    object-fit: cover;
    object-position: center center;
}

.gallery-grid img.ustten-hizala {
    object-fit: cover;
    object-position: center top;
}

.gallery-grid img.alttan-hizala {
    object-fit: cover;
    object-position: center bottom;
}

/* =========================================
   8. FOOTER
   ========================================= */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* =========================================
   9. SAĞ ALT SABİT BUTONLAR (WHATSAPP, İNSTAGRAM VE ARAMA)
   ========================================= */
.floating-social {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}

.float-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
}

.float-btn svg {
    width: 30px;
    height: 30px;
    fill: white;
}

.whatsapp {
    background-color: #25d366;
}

.instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

/* Doğrudan Arama Butonu Rengi */
.call-btn {
    background-color: #1d3557; /* Kurumsal lacivert tonu */
}

.call-btn:hover {
    background-color: #e63946; /* Üzerine gelince kırmızı vurgu */
}

/* =========================================
   10. MOBİL UYUM (CEP TELEFONU EKRANLARI İÇİN)
   ========================================= */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    nav a {
        font-size: 1rem;
    }
    
    .hero {
        padding: 4rem 1rem;
    }
    .hero h2 {
        font-size: 2.2rem;
    }
    
    .about-section {
        flex-direction: column; 
        gap: 2rem;
    }
    .about-image {
        border-bottom: 10px solid #1d3557;
    }
    .about-text h2 {
        font-size: 1.8rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .gallery-grid img {
        height: auto;
        aspect-ratio: 4 / 3;
    }
    
    .page-banner {
        padding: 2rem 1rem;
    }
    .page-banner h2 {
        font-size: 1.8rem;
    }
    
    .floating-social {
        bottom: 15px;
        right: 15px;
        gap: 10px;
    }
    
    .float-btn, .floating-search-btn {
        width: 48px;
        height: 48px;
    }
    
    .float-btn svg, .floating-search-btn svg {
        width: 22px;
        height: 22px;
    }
}