/* 1. GENEL SIFIRLAMA ve FONTLAR */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

:root {
    --bg-light: #f1fafa;      
    --navy-blue: #243b5e;     
    --hover-blue: #49bce3;    
    --text-gray: #4a4a4a;     
}

/* 2. HEADER ve NAVBAR */
.site-header {
    background-color: var(--bg-light);
    height: 100px;
    display: flex;
    align-items: center;
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 70px;
    display: block;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 40px;
}

.main-nav ul li a {
    text-decoration: none;
    color: var(--text-gray);
    font-weight: 500;
    font-size: 16px;
    position: relative;
    padding-bottom: 8px;
    transition: color 0.3s;
}

.main-nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--hover-blue);
    transition: width 0.3s ease;
}

.main-nav ul li a:hover::after,
.main-nav ul li a.active::after {
    width: 100%;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 25px;
}

.desktop-only { display: inline-block; }

.btn-contact {
    background-color: var(--navy-blue);
    color: white;
    padding: 12px 30px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.4s ease;
}

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

/* Dil Seçimi */
.lang-wrapper {
    position: relative;
    cursor: pointer;
    padding: 10px 0;
}

.lang-current {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: var(--text-gray);
}

.lang-flag { width: 24px; height: auto; border-radius: 3px; }

.chevron {
    border: solid var(--text-gray);
    border-width: 0 2px 2px 0;
    display: inline-block;
    padding: 2.5px;
    transform: rotate(45deg);
    transition: transform 0.3s;
    margin-left: 2px;
}

.lang-dropdown {
    position: absolute;
    top: 50px;
    right: 0;
    background: #fff;
    list-style: none;
    min-width: 100px;
    border-radius: 6px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
    z-index: 1001;
}

.lang-dropdown li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    text-decoration: none;
    color: var(--text-gray);
    font-size: 14px;
}

.lang-wrapper:hover .lang-dropdown {
    opacity: 1;
    visibility: visible;
    top: 40px;
}

.mobile-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
    z-index: 1002;
}

.mobile-btn span {
    width: 100%;
    height: 3px;
    background: var(--navy-blue);
    border-radius: 3px;
    transition: all 0.3s ease-in-out;
}

.mobile-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.mobile-btn.active span:nth-child(2) { opacity: 0; }
.mobile-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* ========================================= */
/* İLETİŞİM SAYFASI ÖZEL STİLLERİ            */
/* ========================================= */

/* Banner */
.contact-banner {
    height: 450px;
    background-size: cover;
    background-position: center top;
    position: relative;
    background-image: url('../images/sac-ekimi-13-scaled.jpg'); 
}

.contact-banner .banner-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.banner-content {
    color: #fff;
    max-width: 800px;
    padding: 0 20px;
}

.banner-tag {
    color: var(--hover-blue);
    font-weight: 700;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 10px;
}

.banner-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.banner-desc {
    font-size: 16px;
    line-height: 1.6;
    opacity: 0.9;
}

/* Ortalanmış İletişim Kutusu */
.contact-center-section {
    padding: 80px 0;
    background-color: #f9feff;
    display: flex;
    justify-content: center;
    align-items: center;
}

.contact-box-wrapper {
    background: #fff;
    padding: 60px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    width: 90%;
    max-width: 900px;
    text-align: center;
}

.contact-intro-title {
    font-size: 36px;
    color: var(--navy-blue);
    margin-bottom: 50px;
    font-weight: 700;
    line-height: 1.3;
}

/* Izgara Yapısı */
.contact-items-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    text-align: left;
}

/* Tekil İletişim Öğesi Stili */
.c-item-large {
    display: flex;
    align-items: center;
    gap: 25px;
    padding: 25px;
    border: 1px solid transparent;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.c-item-large:hover {
    background-color: #fff;
    border-color: #e0f7fa;
    box-shadow: 0 5px 15px rgba(73, 188, 227, 0.1);
    transform: translateY(-5px);
}

.c-icon-large {
    width: 70px;
    height: 70px;
    background-color: #e0f7fa;
    color: var(--hover-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    flex-shrink: 0;
}

.c-content h4 {
    font-size: 22px;
    color: var(--navy-blue);
    margin-bottom: 5px;
    font-weight: 600;
}

.c-content p, .c-content a {
    font-size: 18px;
    color: #555;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.c-content a:hover {
    color: var(--hover-blue);
}

/* ========================================= */
/* FOOTER (DÜZELTİLMİŞ & SVG İKONLAR)        */
/* ========================================= */
.byd-footer {
    background-color: #b7ecea !important; /* Orijinal renk */
    padding: 80px 0 25px 0;
    width: 100%;
}

.byd-container {
    width: 92%;
    max-width: 1200px;
    margin: 0 auto;
}

.byd-footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: flex-start; /* Kaymayı önleyen en önemli özellik */
    gap: 40px;
    flex-wrap: wrap;
}

.byd-footer-col { flex: 1; min-width: 250px; }
.byd-footer-logo img { height: 75px; margin-bottom: 20px; }
.byd-footer-about { color: var(--navy-blue); font-size: 15px; line-height: 1.6; margin-bottom: 25px; max-width: 350px; }

.byd-social-links { display: flex; gap: 12px; }
.byd-social-item {
    width: 45px; height: 45px; background: #ffffff; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    transition: 0.3s ease; box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}
/* SVG İkon Stilleri */
.byd-social-item svg { width: 22px; height: 22px; fill: var(--hover-blue); transition: fill 0.3s; }
.byd-social-item:hover { background: var(--hover-blue); }
.byd-social-item:hover svg { fill: #ffffff; }

.byd-footer-title { color: var(--navy-blue); font-size: 22px; font-weight: 700; margin-bottom: 25px; }
.byd-footer-links { list-style: none; padding: 0; }
.byd-footer-links li { margin-bottom: 12px; }
.byd-footer-links a { text-decoration: none; color: var(--navy-blue); font-weight: 600; font-size: 17px; transition: 0.3s; }
.byd-footer-links a:hover { color: var(--hover-blue); }

.byd-contact-list { display: flex; flex-direction: column; gap: 15px; }
.byd-contact-item { display: flex; align-items: center; gap: 15px; }
.c-icon {
    width: 36px; height: 36px; background: #c7f2f2; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
/* Footer İletişim SVG İkon Stilleri */
.c-icon svg { width: 18px; height: 18px; fill: var(--hover-blue); }
.byd-contact-item a, .byd-contact-item span { text-decoration: none; color: var(--hover-blue); font-weight: 600; font-size: 16px; }

.byd-footer-bottom { margin-top: 60px; padding-top: 20px; text-align: right; border-top: 1px solid rgba(0, 0, 0, 0.05); }
.byd-footer-bottom a { color: var(--navy-blue); font-size: 14px; text-decoration: underline; font-weight: 500; }

/* Sticky Whatsapp */
.sticky-whatsapp {
    position: fixed; bottom: 30px; right: 30px; width: 60px; height: 60px;
    background-color: #25d366; color: white; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 35px; box-shadow: 0 4px 15px rgba(0,0,0,0.3); z-index: 9999;
}

/* ========================================= */
/* MOBİL RESPONSIVE                          */
/* ========================================= */
@media (max-width: 1024px) {
    .site-header { padding: 0 15px; }
    .desktop-only { display: none !important; }
    .mobile-btn { display: flex; }
    
    .main-nav {
        display: block; position: absolute; top: 100px; left: 0; width: 100%;
        background-color: #ffffff; padding: 0; max-height: 0; overflow: hidden;
        transition: max-height 0.5s ease-in-out, box-shadow 0.3s ease;
        border-bottom: 1px solid rgba(0,0,0,0.05); box-shadow: none; z-index: 999;
    }
    .main-nav.nav-open { max-height: 400px; box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
    .main-nav ul { flex-direction: column; align-items: center; gap: 0; padding: 20px 0; }
    .main-nav ul li { width: 100%; text-align: center; }
    .main-nav ul li a { display: block; padding: 15px; border-bottom: 1px solid #f1f1f1; width: 100%; }
    .main-nav ul li a::after { display: none; }

    /* Footer Mobil Düzeltme */
    .byd-footer-grid { flex-direction: column; align-items: center; text-align: center; }
    .byd-footer-col { width: 100%; margin-bottom: 40px; }
    .byd-footer-about, .byd-social-links, .byd-contact-item { justify-content: center; margin: 0 auto 15px auto; }
    .byd-footer-bottom { text-align: center; }
}

@media (max-width: 768px) {
    .banner-title { font-size: 32px; }
    .contact-banner { height: 350px; }
    
    .contact-items-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .contact-box-wrapper {
        padding: 30px 20px;
        width: 92%;
    }
    .c-icon-large {
        width: 50px; height: 50px; font-size: 24px;
    }
    .c-content h4 { font-size: 18px; }
    .c-content p, .c-content a { font-size: 16px; }

    .site-header { height: 80px; }
    .main-nav { top: 80px; }
    .logo img { height: 50px; }
    .sticky-whatsapp { bottom: 20px; right: 20px; width: 50px; height: 50px; font-size: 28px; }
}