/* --- GENEL AYARLAR --- */
html {
    scroll-behavior: smooth; /* Ekstra güzellik: Menü linklerine tıklayınca yumuşakça kayması için */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    /* Alt kısmın pürüzsüz devam etmesi için sabit zemin rengi */
    background-color: #cce5fb; 
    /* Üstten aşağıya doğru eriyerek cce5fb rengine pürüzsüzce karışan gradyan */
    background-image: linear-gradient(180deg, #3f79d5 0%, #76ace4 50%, #cce5fb 100%);
    background-repeat: no-repeat;
    background-size: 100% 1100px; /* Gradyanın ne kadar aşağı uzanacağı. Buradan sonra kesiksiz sabit renge geçer */
    min-height: 100vh;
    overflow-x: hidden;
}

/* --- HEADER KISMI --- */
.header-container {
    padding: 20px;
    display: flex;
    justify-content: center;
}

.navbar {
    background-color: #ffffff;
    width: 100%;
    max-width: 1200px;
    height: 80px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 1000;
    transition: border-radius 0.3s ease;
}

.navbar.menu-open {
    border-radius: 12px 12px 0 0;
}

.logo img {
    max-height: 175px;
    width: auto;
    display: block;
    margin-top: 25px;
    margin-left: -25px;
}

/* =========================================
   YENİ: HAMBURGER MENÜ ANIMASYONU (KÜÇÜLTÜLDÜ)
========================================= */
.hamburger {
    display: none;
    cursor: pointer;
    width: 26px;  /* 30px'ten 26px'e küçültüldü */
    height: 18px; /* 22px'ten 18px'e küçültüldü */
    position: relative;
    z-index: 1001;
}

.hamburger .bar {
    position: absolute;
    width: 100%;
    height: 2.5px; /* Çizgi kalınlığı 3px'ten 2.5px'e inceltildi */
    background-color: #2563eb;
    border-radius: 3px;
    left: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger .bar:nth-child(1) { top: 0; }
.hamburger .bar:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger .bar:nth-child(3) { bottom: 0; }

.hamburger.is-active .bar:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}
.hamburger.is-active .bar:nth-child(2) {
    opacity: 0;
    transform: translateY(-50%) translateX(-25px);
}
.hamburger.is-active .bar:nth-child(3) {
    top: 50%;
    bottom: auto;
    transform: translateY(-50%) rotate(-45deg);
}
/* ========================================= */

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 15px;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #2563eb;
}

/* --- DROPDOWN (AÇILIR MENÜ) AYARLARI --- */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #ffffff;
    min-width: 240px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.1);
    z-index: 100;
    border-radius: 8px;
    top: 100%;
    left: 0;
    padding: 10px 0;
    margin-top: 15px;
}

.dropdown-content::before {
    content: '';
    position: absolute;
    top: -15px;
    left: 0;
    width: 100%;
    height: 15px;
    background: transparent;
}

.dropdown-content a {
    color: #333;
    padding: 12px 20px;
    display: block;
    font-weight: 500;
    font-size: 14px;
    border-bottom: 1px solid #f1f1f1;
}

.dropdown-content a:last-child {
    border-bottom: none;
}

.dropdown-content a:hover {
    background-color: #f8fafc;
    color: #2563eb;
    padding-left: 25px;
}

/* Masaüstü Hover Etkileşimi */
@media (min-width: 769px) {
    .dropdown:hover .dropdown-content {
        display: block;
        animation: fadeIn 0.3s ease;
    }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- BUTONLAR --- */
.btn {
    cursor: pointer;
    border: none;
    border-radius: 6px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background-color: #2563eb;
    color: white;
    padding: 12px 24px;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.phone-btn {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* Ekstra Güzellik: Butona hover yapıldığında hafif büyüme ve gölgenin artması */
.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 15px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 12px 24px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

/* --- HERO KISMI --- */
.hero-section {
    max-width: 1200px;
    margin: 40px auto 0;
    padding: 0 20px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    color: white;
}

.hero-content {
    flex: 1;
    z-index: 10;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: 52px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 18px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 35px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.badges-container {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.badge {
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-image-wrapper {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    position: relative;
    z-index: 1;
    gap: 30px;
}

#heroImage {
    max-width: calc(100% - 50px);
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: opacity 0.5s ease-in-out;
}

.slider-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.slider-line {
    width: 2px;
    height: 80px;
    background: linear-gradient(to bottom, rgba(255,255,255,0), rgba(255,255,255,0.8));
}

.bottom-line {
    background: linear-gradient(to top, rgba(255,255,255,0), rgba(255,255,255,0.8));
}

.dot {
    width: 10px;
    height: 10px;
    background-color: white;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0.6;
    transition: all 0.3s;
}

.dot.active {
    background-color: #2563eb;
    opacity: 1;
    position: relative;
}

.dot.active::before {
    content: '';
    position: absolute;
    top: -6px; left: -6px; right: -6px; bottom: -6px;
    border: 2px solid #2563eb;
    border-radius: 50%;
}

/* --- YENİ EKLENEN: TEŞHİS (DIAGNOSTIC) BÖLÜMÜ --- */
.diagnostic-section {
    background-color: transparent; 
    padding: 60px 20px;
    text-align: center;
    position: relative;
}

.diagnostic-header h2 {
    font-family: 'Playfair Display', serif;
    color: #1e293b;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 10px;
}

.diagnostic-header p {
    color: #475569;
    font-size: 16px;
}

.mobile-header {
    display: none;
}

/* Dairesel şablonun taşıyıcısı */
.diagnostic-cards {
    position: relative;
    max-width: 1000px;
    height: 650px;
    margin: 0 auto;
    display: block;
}

/* Masaüstü ortalanmış metin */
.desktop-header {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 450px;
    z-index: 10;
}

.desktop-header h2 {
    font-size: 42px;
}

/* Kartların arasındaki kesik çizgiler */
.connecting-lines {
    position: absolute;
    top: 0; 
    left: 0;
    width: 100%; 
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.diag-card {
    position: absolute;
    width: 190px;
    z-index: 5;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    padding: 12px;
    text-align: left;
    box-shadow: 0 6px 20px rgba(0,0,0,0.04);
    border: 1px solid rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.diag-card:hover {
    box-shadow: 0 12px 30px rgba(0,0,0,0.1);
}

.diag-card p {
    color: #1e293b;
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 10px;
}

.diag-card .img-box {
    width: 100%;
    height: 85px;
    background-color: #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
}

/* Ekstra Güzellik: Teşhis kartındaki fotoğraflar hoverda çok hafif büyüsün */
.diag-card .img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.diag-card:hover .img-box img {
    transform: scale(1.1);
}

.card-1 { top: 0; left: 50%; transform: translateX(-50%); }
.card-2 { top: 18%; right: 0; }
.card-3 { bottom: 18%; right: 0; }
.card-4 { bottom: 0; left: 50%; transform: translateX(-50%); }
.card-5 { bottom: 18%; left: 0; }
.card-6 { top: 18%; left: 0; }

.card-1:hover { transform: translateX(-50%) translateY(-5px); }
.card-2:hover { transform: translateY(-5px); }
.card-3:hover { transform: translateY(-5px); }
.card-4:hover { transform: translateX(-50%) translateY(-5px); }
.card-5:hover { transform: translateY(-5px); }
.card-6:hover { transform: translateY(-5px); }

.diagnostic-alert {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.85);
    padding: 12px 25px;
    border-radius: 30px;
    color: #334155;
    font-size: 14px;
    font-weight: 500;
    margin-top: 30px;
    border: 1px solid rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 10;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

/* --- MOBİL UYUM (RESPONSIVE) --- */
@media (max-width: 992px) {
    .diagnostic-cards { height: 700px; }
    
    .hero-section {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-buttons { justify-content: center; }
    .badges-container { justify-content: center; }
    
    .hero-image-wrapper {
        flex-direction: column;
        margin-top: 30px;
    }

    .slider-controls { flex-direction: row; }
    .slider-line {
        width: 60px; height: 2px;
        background: linear-gradient(to right, rgba(255,255,255,0), rgba(255,255,255,0.8));
    }
    .bottom-line {
        background: linear-gradient(to left, rgba(255,255,255,0), rgba(255,255,255,0.8));
    }
}

@media (max-width: 768px) {
    .mobile-header { display: block; margin-bottom: 25px; }
    .desktop-header { display: none; }
    .connecting-lines { display: none; }
    
    .diagnostic-cards {
        height: auto;
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding-bottom: 15px;
        -webkit-overflow-scrolling: touch;
        gap: 15px;
    }

    .diag-card {
        position: relative;
        top: auto; bottom: auto; left: auto; right: auto;
        transform: none !important;
        min-width: 260px;
        flex: 0 0 auto;
        scroll-snap-align: start;
        margin: 0;
        opacity: 1 !important;
        visibility: visible !important;
    }

    .diagnostic-cards::-webkit-scrollbar { height: 6px; }
    .diagnostic-cards::-webkit-scrollbar-track {
        background: rgba(255,255,255,0.2);
        border-radius: 10px;
    }
    .diagnostic-cards::-webkit-scrollbar-thumb {
        background: rgba(255,255,255,0.6);
        border-radius: 10px;
    }

    .hamburger { display: block; }
    
    /* Mobil Menü DÜZELTME: display: none KALDIRILDI! Animasyon için flex olmalı */
    .nav-links {
        display: flex; 
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #ffffff;
        padding: 20px;
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        border-radius: 0 0 12px 12px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-15px);
        pointer-events: none;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 990;
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }
    
    /* YENİ: Menü içindeki elemanların (linkler ve dropdown) süzülerek gelme efekti */
    .nav-links > a, .nav-links > .dropdown {
        opacity: 0;
        transform: translateX(-30px); /* Soldan gelme mesafesi */
        transition: opacity 0.4s ease, transform 0.4s ease;
    }

    .nav-links.active > a, .nav-links.active > .dropdown {
        opacity: 1;
        transform: translateX(0);
    }

    /* Tek tek sırayla süzülmeleri için gecikme (Stagger) efektleri */
    .nav-links.active > a:nth-child(1) { transition-delay: 0.1s; }
    .nav-links.active > a:nth-child(2) { transition-delay: 0.15s; }
    .nav-links.active > .dropdown { transition-delay: 0.2s; }
    .nav-links.active > a:nth-child(4) { transition-delay: 0.25s; }
    .nav-links.active > a:nth-child(5) { transition-delay: 0.3s; }

    .dropdown-content {
        position: relative;
        box-shadow: none;
        background-color: #f8fafc;
        min-width: 100%;
        margin-top: 10px;
    }

    .desktop-btn { display: none; }
    .hero-title { font-size: 36px; }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn { width: 100%; }
}


/* --- HAKKIMIZDA BÖLÜMÜ --- */
.about-section {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
}

.about-container {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 24px;
    padding: 60px;
    display: flex;
    gap: 60px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    align-items: center;
}

.about-left {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.about-title {
    font-family: 'Playfair Display', serif;
    font-size: 38px;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.2;
    margin-bottom: 10px;
}

.about-subtitle {
    font-size: 16px;
    color: #2563eb;
    font-weight: 600;
    margin-bottom: 30px;
}

.about-content {
    color: #475569;
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 40px;
}

.about-content p {
    margin-bottom: 15px;
}

.about-content p:last-child {
    margin-bottom: 0;
}

/* Neden Bizi Seçmelisiniz İkonlu Izgara */
.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.8);
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    transition: transform 0.3s ease, background 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-3px);
    background: #ffffff;
}

.feature-item i {
    color: #2563eb;
    font-size: 24px;
    width: 30px;
    text-align: center;
}

.feature-item span {
    font-weight: 600;
    color: #1e293b;
    font-size: 15px;
}

.about-right {
    flex: 1;
    display: flex;
    justify-content: center;
}

.about-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden; /* Taşmayı engeller */
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    width: 100%;
}

/* Ekstra Güzellik: Görsele hover efekti */
.about-image-wrapper img {
    width: 100%;
    height: 100%;
    min-height: 400px;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.about-image-wrapper:hover img {
    transform: scale(1.05);
}

/* Yuvarlak Deneyim Rozeti */
.experience-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: #2563eb;
    color: #ffffff;
    padding: 20px;
    border-radius: 50%;
    width: 130px;
    height: 130px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
    border: 6px solid #ffffff;
}

.experience-badge .years {
    font-size: 32px;
    font-weight: 700;
    line-height: 1;
}

.experience-badge .text {
    font-size: 13px;
    font-weight: 500;
    margin-top: 4px;
}

/* --- MOBİL UYUM (Hakkımızda) --- */
@media (max-width: 992px) {
    .about-container {
        flex-direction: column;
        padding: 40px 30px;
        gap: 50px;
    }
    .about-image-wrapper img {
        min-height: 350px;
    }
}

@media (max-width: 768px) {
    .about-container { padding: 30px 20px; }
    .about-title { font-size: 30px; }
    
    /* İkonlar mobilde tek sütuna düşer ve uzar */
    .about-features {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .experience-badge {
        width: 100px;
        height: 100px;
        bottom: 10px;
        left: 10px;
        border-width: 4px;
    }
    .experience-badge .years { font-size: 24px; }
    .experience-badge .text { font-size: 11px; }
    .about-image-wrapper img { min-height: 280px; }
}


/* --- YENİ: HİZMETLERİMİZ DETAY BÖLÜMÜ --- */
.services-detail-section {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
}

.services-container {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 24px;
    padding: 60px;
    display: flex;
    gap: 60px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.services-left {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.services-title {
    font-family: 'Playfair Display', serif;
    font-size: 38px;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.2;
    margin-bottom: 15px;
}

.services-subtitle {
    font-size: 16px;
    color: #475569;
    margin-bottom: 40px;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-item {
    padding: 20px 25px;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0.6; 
}

.service-item:hover { opacity: 0.8; }
.service-item.active {
    background-color: #ffffff;
    opacity: 1;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.service-header {
    display: flex;
    align-items: center;
    gap: 15px;
}

.service-header i {
    font-size: 20px;
    color: #475569;
    width: 24px;
    text-align: center;
}

.service-header h3 {
    font-family: 'Playfair Display', serif;
    font-size: 20px;
    font-weight: 600;
    color: #1e293b;
}

.service-desc {
    display: none;
    margin-top: 15px;
    margin-left: 39px; 
    font-size: 15px;
    color: #475569;
    line-height: 1.6;
}

.service-item.active .service-desc {
    display: block;
    animation: fadeInDesc 0.4s ease forwards;
}

@keyframes fadeInDesc {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.services-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden; /* Resim büyüdüğünde kenarlardan taşmasın */
    border-radius: 20px;
}

/* Ekstra Güzellik: Görsele hover efekti */
.services-right img {
    width: 100%;
    height: 100%;
    max-height: 600px;
    object-fit: cover;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: opacity 0.4s ease, transform 0.6s ease; 
}

.services-right:hover img {
    transform: scale(1.03);
}

/* --- MOBİL UYUM --- */
@media (max-width: 992px) {
    .services-container {
        flex-direction: column;
        padding: 40px 30px;
        gap: 40px;
    }
    .services-right img { height: 400px; }
}

@media (max-width: 768px) {
    .services-container { padding: 30px 20px; }
    .services-title { font-size: 30px; }
    .service-item { padding: 15px; }
    .services-right img { height: 300px; }
}

/* --- YENİ: NASIL ÇALIŞIYORUZ BÖLÜMÜ --- */
.how-it-works-section {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
}

.how-it-works-container {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 24px;
    padding: 60px;
    display: flex;
    gap: 80px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.hiw-left {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.hiw-title {
    font-family: 'Playfair Display', serif;
    font-size: 38px;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.2;
    margin-bottom: 15px;
}

.hiw-subtitle {
    font-size: 16px;
    color: #475569;
    margin-bottom: 40px;
}

.hiw-image-wrapper {
    flex: 1;
    width: 100%;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

/* Ekstra Güzellik: Görsele hover efekti */
.hiw-image-wrapper img {
    width: 100%;
    height: 100%;
    min-height: 350px;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.hiw-image-wrapper:hover img {
    transform: scale(1.05);
}

.hiw-right {
    flex: 1;
    display: flex;
    align-items: center;
}

.timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 24px; 
    top: 10px;
    height: calc(100% - 85px); 
    width: 2px;
    background: #cbd5e1;
    z-index: 0;
}

.timeline-item {
    display: flex;
    gap: 25px;
    position: relative;
    z-index: 1;
}

.timeline-number {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: #f8fafc;
    color: #64748b;
    font-size: 18px;
    font-weight: 600;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    transition: all 0.3s ease;
}

.timeline-item.active .timeline-number {
    background: #eff6ff;
    color: #2563eb;
    border-color: #bfdbfe;
    box-shadow: 0 6px 15px rgba(37, 99, 235, 0.15);
}

.timeline-item.active h3 {
    color: #2563eb;
    transition: color 0.4s ease;
}

.timeline::after {
    content: '';
    position: absolute;
    left: 24px; 
    top: 10px;
    width: 2px;
    background: #2563eb; 
    z-index: 0;
    height: var(--line-height, 0px); 
    transition: height 0.4s ease; 
}

@media (max-width: 768px) {
    .timeline::after { left: 20px; }
}

.timeline-content { padding-top: 10px; }

.timeline-content h3 {
    font-family: 'Playfair Display', serif;
    font-size: 20px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 8px;
}

.timeline-content p {
    color: #475569;
    font-size: 15px;
    line-height: 1.6;
}

/* --- MOBİL UYUM (Nasıl Çalışıyoruz) --- */
@media (max-width: 992px) {
    .how-it-works-container {
        flex-direction: column;
        padding: 40px 30px;
        gap: 50px;
    }
    .hiw-image-wrapper img { height: 300px; }
}

@media (max-width: 768px) {
    .how-it-works-container { padding: 30px 20px; }
    .hiw-title { font-size: 30px; }
    .timeline-item { gap: 15px; }
    .timeline-number {
        width: 40px;
        height: 40px;
        min-width: 40px;
        font-size: 16px;
    }
    .timeline::before { left: 20px; }
}

/* --- FOOTER --- */
.site-footer {
    background: linear-gradient(180deg, #cce5fb 0%, #90bbe6 50%, #4684d4 100%);
    margin-top: 0; 
    padding: 120px 20px 20px; 
    font-family: 'Inter', sans-serif;
    color: #1e293b;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 50px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 250px;
}

.footer-logo img {
    max-width: 250px;
    margin-bottom: 60px; 
}

.footer-socials { display: flex; gap: 10px; }

.footer-socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background-color: #ffffff;
    color: #1e293b;
    border-radius: 4px;
    text-decoration: none;
    font-size: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.footer-socials a:hover {
    background-color: #2563eb;
    color: #ffffff;
    transform: translateY(-2px); 
}

.footer-links-group {
    display: flex;
    gap: 80px;
    flex-wrap: wrap;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-column h4 {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 15px;
}

.footer-column a {
    color: #475569;
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s ease;
    display: flex; 
    align-items: center; 
    gap: 8px; 
}

.footer-column a:hover { color: #2563eb; }

.footer-bottom {
    max-width: 1200px;
    margin: 60px auto 0;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.08); 
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: #64748b;
}

.footer-bottom .designer a {
    color: #1e293b;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom .designer a:hover { color: #2563eb; }

/* Mobil Uyumluluk */
@media (max-width: 768px) {
    .footer-container {
        flex-direction: column;
        gap: 40px;
    }
    .footer-links-group {
        flex-direction: column;
        gap: 40px;
    }
    .footer-logo img { margin-bottom: 30px; }
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
        margin-top: 40px;
    }
}

/* --- YENİ: İLETİŞİM BÖLÜMÜ --- */
.contact-section {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
}

.contact-container {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 24px;
    padding: 60px;
    display: flex;
    gap: 60px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.contact-left {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.contact-title {
    font-family: 'Playfair Display', serif;
    font-size: 38px;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.2;
    margin-bottom: 15px;
}

.contact-subtitle {
    font-size: 16px;
    color: #475569;
    margin-bottom: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.info-item i {
    width: 45px;
    height: 45px;
    min-width: 45px;
    background: #ffffff;
    color: #2563eb;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.info-item h4 {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 4px;
}

.info-item p, .info-item a {
    font-size: 14px;
    color: #475569;
    text-decoration: none;
    line-height: 1.5;
    transition: color 0.3s ease;
}

.info-item a:hover { color: #2563eb; }

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.input-group input, 
.input-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.7);
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    color: #1e293b;
    outline: none;
    transition: all 0.3s ease;
}

.input-group input:focus, 
.input-group textarea:focus {
    background: #ffffff;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 16px;
    font-size: 16px;
    margin-top: 10px;
    border-radius: 12px;
}

.contact-right {
    flex: 1;
    display: flex;
}

.map-wrapper {
    width: 100%;
    min-height: 450px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    border: 6px solid #ffffff; 
}

/* --- MOBİL UYUM (İletişim) --- */
@media (max-width: 992px) {
    .contact-container {
        flex-direction: column;
        padding: 40px 30px;
        gap: 50px;
    }
    .map-wrapper { min-height: 350px; }
}

@media (max-width: 768px) {
    .contact-container { padding: 30px 20px; }
    .contact-title { font-size: 30px; }
    .info-item p, .info-item a { font-size: 13px; }
}

/* --- SABİT İLETİŞİM BUTONLARI (SOL ALT YAN YANA) --- */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    left: 30px; 
    display: flex;
    gap: 15px; 
    z-index: 9999; 
}

.float-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #ffffff;
    font-size: 25px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    text-decoration: none;
}

.float-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    color: #ffffff;
}

.phone-float { background-color: #2563eb; }
.phone-float:hover { background-color: #1d4ed8; }

.wp-float { background-color: #25D366; }
.wp-float:hover { background-color: #128C7E; }

@media (max-width: 768px) {
    .floating-buttons {
        bottom: 0; 
        left: 50%;
        transform: translateX(-50%);
        width: auto;
        gap: 2px; 
        z-index: 9999;
    }
    
    .float-btn {
        width: 70px; 
        height: 45px; 
        font-size: 20px; 
        border-radius: 0; 
        box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.1); 
    }

    .phone-float { border-radius: 20px 0 0 0; }
    .wp-float { border-radius: 0 20px 0 0; }

    .float-btn:hover {
        transform: none; 
        box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.1);
    }
}


/* ==========================================
   ÖZEL WHATSAPP POP-UP STİLLERİ
========================================== */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.7); /* Koyu ve şeffaf arkaplan */
    backdrop-filter: blur(5px); /* Arka planı bulanıklaştırma efekti */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

/* Javascript ile .show sınıfı eklendiğinde görünür olacak */
.popup-overlay.show {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: #ffffff;
    width: 90%;
    max-width: 400px;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    /* İçerik aşağıdan yukarı hafifçe büyüyecek */
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s ease;
}

.popup-overlay.show .popup-content {
    transform: translateY(0) scale(1);
}

.popup-icon {
    width: 70px;
    height: 70px;
    background: #25D366; /* WhatsApp Yeşili */
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 35px;
    margin: 0 auto 20px;
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
}

.popup-content h3 {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    color: #1e293b;
    margin-bottom: 10px;
}

.popup-content p {
    color: #475569;
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 25px;
}

.popup-content .btn {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    border-radius: 12px;
}
.popup-content .btn:hover {
    background-color: #128C7E !important; /* Koyu WhatsApp Yeşili */
    transform: translateY(-2px);
}