/* 
   Ağtaş Yapı - Taş Duvar Ustası Web Sitesi Stilleri
   Tasarım Konsepti: Doğal Taş Tonları, Sıcak Altın Vurgular, Premium Tipografi ve Yumuşak Geçişler
*/

/* --- Google Fonts Entegrasyonu --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@400;500;600;700;800&display=swap');

/* --- CSS Tasarım Değişkenleri (Tokens) --- */
:root {
    /* Renk Paleti */
    --color-primary: #b89150;      /* Sıcak Kumtaşı Altını / Bronz */
    --color-primary-hover: #a37c3f;/* Koyu Altın */
    --color-secondary: #1a202c;    /* Koyu Taş Grisi / Kömür */
    --color-secondary-light: #2d3748;
    --color-text-dark: #1e293b;    /* Koyu Slate (Ana Metin) */
    --color-text-light: #64748b;   /* Açık Slate (Yardımcı Metin) */
    --color-bg-light: #faf9f6;     /* Krem / Sıcak Alçı Beyazı */
    --color-bg-white: #ffffff;
    --color-border: #e2e8f0;
    --color-success: #10b981;
    
    /* Tipografi */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Gölgeler ve Yuvarlatmalar */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    /* Geçişler */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Temel Sıfırlamalar --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-secondary);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

section {
    padding: 100px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
    color: var(--color-secondary);
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--color-primary);
    border-radius: 2px;
}

.section-title p {
    color: var(--color-text-light);
    margin-top: 15px;
    font-size: 1.1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Buton Stilleri --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 30px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-smooth);
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-bg-white);
    box-shadow: 0 4px 14px rgba(184, 145, 80, 0.4);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(184, 145, 80, 0.6);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-secondary);
    border: 2px solid var(--color-secondary);
}

.btn-secondary:hover {
    background-color: var(--color-secondary);
    color: var(--color-bg-white);
    transform: translateY(-2px);
}

.btn-whatsapp {
    background-color: #25d366;
    color: white;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background-color: #128c7e;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

/* --- Header & Navigasyon --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    transition: background-color var(--transition-fast);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--color-secondary);
    line-height: 1.1;
}

.logo-sub {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-text-dark);
    position: relative;
    padding: 6px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-primary);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Mobil Menü Butonu */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-secondary);
    border-radius: 3px;
    transition: all var(--transition-fast);
}

/* --- Hero Section --- */
.hero-wrapper {
    position: relative;
    height: 100vh;
    min-height: 600px;
    width: 100%;
    display: flex;
    align-items: center;
    background-color: var(--color-secondary);
    color: var(--color-bg-white);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(15, 23, 42, 0.85) 35%, rgba(15, 23, 42, 0.45) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background-color: rgba(184, 145, 80, 0.25);
    border: 1px solid rgba(184, 145, 80, 0.4);
    color: #e2c08d;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 1px;
    text-transform: uppercase;
    backdrop-filter: blur(4px);
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 24px;
    font-weight: 800;
    color: var(--color-bg-white);
    max-width: 750px;
    letter-spacing: -1px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.hero-title span {
    color: var(--color-primary);
    text-shadow: 0 2px 10px rgba(184, 145, 80, 0.2);
}

.hero-desc {
    font-size: 1.2rem;
    color: #e2e8f0;
    max-width: 600px;
    margin-bottom: 40px;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.4);
}

@media (max-width: 768px) {
    .hero-bg::before {
        background: rgba(15, 23, 42, 0.75); /* Mobilde tüm resmi eşit olarak karart */
    }
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

/* --- Hakkımızda Bölümü --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-img-container {
    position: relative;
}

.about-img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.5);
    overflow: hidden;
}

.about-img img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.about-img-container:hover .about-img img {
    transform: scale(1.03);
}

.about-badge-card {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background-color: var(--color-secondary);
    color: var(--color-bg-white);
    padding: 24px 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 5px solid var(--color-primary);
}

.about-badge-card .num {
    font-size: 3rem;
    font-weight: 800;
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1;
}

.about-badge-card .text {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 5px;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    position: relative;
    padding-left: 15px;
}

.about-text h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    bottom: 5px;
    width: 4px;
    background-color: var(--color-primary);
    border-radius: 2px;
}

.about-text p {
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-icon {
    width: 28px;
    height: 28px;
    background-color: rgba(184, 145, 80, 0.1);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-text {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-secondary);
}

/* --- Hizmetlerimiz Bölümü --- */
.services-bg {
    background-color: var(--color-bg-white);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--color-bg-light);
    border-radius: var(--radius-md);
    padding: 40px 30px;
    border: 1px solid var(--color-border);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    background-color: var(--color-bg-white);
    border-color: transparent;
}

.service-card:hover::after {
    transform: scaleX(1);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 24px;
    color: var(--color-primary);
    display: inline-block;
}

.service-card h3 {
    font-size: 1.35rem;
    margin-bottom: 16px;
    color: var(--color-secondary);
}

.service-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-primary);
}

.service-card:hover .service-link {
    color: var(--color-secondary);
}

/* --- Galeri Bölümü --- */
.gallery-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
}

.filter-btn {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    color: var(--color-text-dark);
    padding: 10px 24px;
    border-radius: 30px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-white);
    box-shadow: 0 4px 10px rgba(184, 145, 80, 0.3);
}

.gallery-slider-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    margin: 0 auto;
    padding: 0 50px;
}

.gallery-slider-container {
    overflow: hidden;
    width: 100%;
}

.gallery-slider-track {
    display: flex;
    gap: 24px;
    transition: transform var(--transition-smooth);
    width: 100%;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 320px;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: all var(--transition-smooth);
    flex: 0 0 calc((100% - 48px) / 3);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

/* Ok Butonları */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    color: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.slider-arrow:hover {
    background-color: var(--color-primary);
    color: var(--color-bg-white);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.prev-arrow {
    left: 0;
}

.next-arrow {
    right: 0;
}

/* Dot Göstergeleri */
.slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 30px;
}

.dot {
    width: 10px;
    height: 10px;
    background-color: #cbd5e1;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dot.active {
    background-color: var(--color-primary);
    width: 24px;
    border-radius: 5px;
}

/* Responsive Kurallarını Kayan Slider İçin Güncelleme */
@media (max-width: 1024px) {
    .gallery-item {
        flex: 0 0 calc((100% - 24px) / 2);
    }
}

@media (max-width: 768px) {
    .gallery-slider-wrapper {
        padding: 0 35px;
    }
    .slider-arrow {
        width: 36px;
        height: 36px;
    }
    .gallery-item {
        flex: 0 0 100%;
        height: 280px;
    }
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(26, 32, 44, 0.9) 0%, rgba(26, 32, 44, 0.2) 80%);
    opacity: 0;
    transition: opacity var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    color: var(--color-bg-white);
}

.gallery-overlay h4 {
    color: var(--color-bg-white);
    font-size: 1.2rem;
    font-weight: 700;
}

.gallery-overlay p {
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

.gallery-item:hover {
    transform: scale(0.98);
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

/* Lightbox Görsel Büyütme Modülü */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 15, 30, 0.95);
    z-index: 2000;
    display: none;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    max-width: 90%;
    max-height: 85%;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox.active .lightbox-content {
    transform: scale(1);
}

.lightbox-content img {
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    border: 3px solid rgba(255,255,255,0.1);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--color-bg-white);
    font-size: 2rem;
    cursor: pointer;
    background: none;
    border: none;
}

/* --- SSS Bölümü --- */
.faq-bg {
    background-color: var(--color-bg-white);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    background-color: var(--color-bg-light);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.faq-item:hover {
    border-color: var(--color-primary);
}

.faq-question {
    padding: 20px 24px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.faq-icon {
    font-size: 1.4rem;
    transition: transform var(--transition-fast);
    color: var(--color-primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-smooth), padding var(--transition-smooth);
    padding: 0 24px;
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

.faq-item.active {
    background-color: var(--color-bg-white);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.faq-item.active .faq-icon {
    transform: rotate(45px);
    content: '-';
}

.faq-item.active .faq-answer {
    padding: 0 24px 20px 24px;
    max-height: 300px; /* Cevap içeriği için tahmini tavan */
}

/* --- İletişim Bölümü --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-card {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 30px;
    box-shadow: var(--shadow-sm);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-icon {
    width: 44px;
    height: 44px;
    background-color: rgba(184, 145, 80, 0.1);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-details h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.info-details p, .info-details a {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.info-details a:hover {
    color: var(--color-primary);
}

.contact-map-placeholder {
    width: 100%;
    height: 250px;
    background-color: #e2e8f0;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--color-border);
}

.contact-map-placeholder iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.contact-form-container {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.contact-form-container h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: var(--color-secondary);
}

.form-control {
    width: 100%;
    padding: 14px 20px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-bg-light);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-text-dark);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-bg-white);
    box-shadow: 0 0 0 4px rgba(184, 145, 80, 0.15);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* --- Footer --- */
.footer {
    background-color: var(--color-secondary);
    color: var(--color-bg-white);
    padding: 60px 24px 30px 24px;
    border-top: 4px solid var(--color-primary);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.2fr;
    gap: 50px;
}

.footer-logo .logo-main {
    color: var(--color-bg-white);
}

.footer-logo p {
    color: #94a3b8;
    margin-top: 15px;
    font-size: 0.95rem;
    max-width: 320px;
}

.footer-section h4 {
    color: var(--color-bg-white);
    font-size: 1.15rem;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    padding-bottom: 8px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 35px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 2px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: #cbd5e1;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--color-primary);
    transform: translateX(4px);
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    color: #cbd5e1;
    font-size: 0.95rem;
}

.footer-contact-info li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact-info i {
    color: var(--color-primary);
}

.footer-bottom {
    border-top: 1px solid rgba(226, 232, 240, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    color: #94a3b8;
    font-size: 0.9rem;
}

.footer-bottom p span {
    color: var(--color-primary);
}

/* --- Responsive Tasarım Ayarları --- */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-img img {
        height: 360px;
    }
    
    .about-badge-card {
        bottom: -20px;
        right: 0;
        padding: 16px 24px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 16px;
    }
    
    .section-title {
        margin-bottom: 40px;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .header {
        padding: 8px 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-bg-white);
        flex-direction: column;
        gap: 24px;
        padding: 40px 24px;
        transition: left var(--transition-smooth);
        box-shadow: 0 10px 15px rgba(0,0,0,0.05);
        align-items: flex-start;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    /* Mobil Menü Açıkken Hamburger Animasyonu */
    .nav-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    .nav-cta {
        display: none; /* Mobilde header'da butonu gizle, menü içerisine al */
    }
    
    .hero-title {
        font-size: 2.3rem;
    }
    
    .hero-desc {
        font-size: 1.05rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form-container {
        padding: 24px;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}