/* ==========================================================================
   Trakya Havalandırma - Premium Tasarım Sistem & Stil Sayfası (Vanilla CSS)
   ========================================================================== */

/* 1. Yazı Tipleri ve Değişkenler */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* Renk Paleti (HSL) */
    --color-dark: 222 47% 11%;      /* #0f172a - Koyu Slate */
    --color-dark-gray: 222 47% 15%; /* #1e293b - Daha Açık Koyu */
    --color-primary: 24 96% 53%;    /* #f97316 - Emniyet/Havalandırma Turuncusu */
    --color-primary-hover: 24 96% 45%;
    --color-light-blue: 200 100% 96%; /* #f0f9ff - Taze Hava Buzul Mavisi */
    --color-gray: 215 16% 47%;      /* #64748b - Gövde Metni */
    --color-light-gray: 210 40% 96.1%; /* #f1f5f9 - Arka Plan Grisi */
    --color-white: 0 0% 100%;       /* #ffffff */
    
    /* Tipografi */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Gölge ve Yuvarlaklık */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.07), 0 4px 6px -4px rgb(0 0 0 / 0.07);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-primary: 0 10px 20px -3px hsl(var(--color-primary) / 0.25);
    
    /* Geçişler */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 2. Temel Sıfırlamalar & Genel Stil */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: hsl(var(--color-light-gray));
    color: hsl(var(--color-dark) / 0.9);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: hsl(var(--color-dark));
    font-weight: 700;
    line-height: 1.25;
}

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

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

/* 3. Yerleşim Bileşenleri (Grid & Container) */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section-bg-dark {
    background-color: hsl(var(--color-dark));
    color: hsl(var(--color-white));
}

.section-bg-dark h2 {
    color: hsl(var(--color-white));
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px auto;
}

.section-subtitle {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: hsl(var(--color-primary));
    margin-bottom: 12px;
    display: block;
}

.section-title {
    font-size: 36px;
    margin-bottom: 16px;
}

.section-desc {
    color: hsl(var(--color-gray));
    font-size: 16px;
}

.section-bg-dark .section-desc {
    color: hsl(var(--color-white) / 0.7);
}

/* 4. Butonlar */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 15px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background-color: hsl(var(--color-primary));
    color: hsl(var(--color-white));
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    background-color: hsl(var(--color-primary-hover));
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: hsl(var(--color-dark));
    border: 2px solid hsl(var(--color-dark) / 0.15);
}

.btn-secondary:hover {
    border-color: hsl(var(--color-dark));
    background-color: hsl(var(--color-dark) / 0.03);
}

.btn-outline-white {
    background-color: transparent;
    color: hsl(var(--color-white));
    border: 2px solid hsl(var(--color-white) / 0.3);
}

.btn-outline-white:hover {
    border-color: hsl(var(--color-white));
    background-color: hsl(var(--color-white) / 0.1);
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -3px rgba(37, 211, 102, 0.3);
}

/* 5. Üst Bilgi & Gezinme (Header & Navbar) */
.header-top {
    background-color: hsl(var(--color-dark));
    color: hsl(var(--color-white) / 0.8);
    font-size: 13px;
    padding: 8px 0;
    border-bottom: 1px solid hsl(var(--color-white) / 0.08);
}

.header-top-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-top-info {
    display: flex;
    gap: 24px;
}

.header-top-info span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.header-top-info svg {
    width: 14px;
    height: 14px;
    fill: hsl(var(--color-primary));
}

.header-nav {
    background-color: hsl(var(--color-white) / 0.95);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 22px;
    color: hsl(var(--color-dark));
}

.logo svg {
    width: 36px;
    height: 36px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 15px;
    color: hsl(var(--color-dark) / 0.85);
    position: relative;
    padding: 8px 0;
}

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

.nav-menu a:hover, .nav-menu a.active {
    color: hsl(var(--color-primary));
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle svg {
    width: 28px;
    height: 28px;
    stroke: hsl(var(--color-dark));
}

/* 6. Hero Bölümü (Ana Sayfa) */
.hero {
    position: relative;
    background: radial-gradient(circle at top left, hsl(var(--color-dark-gray)) 0%, hsl(var(--color-dark)) 100%);
    color: hsl(var(--color-white));
    padding: 100px 0;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(to top, hsl(var(--color-light-gray)), transparent);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: hsl(var(--color-white) / 0.08);
    border: 1px solid hsl(var(--color-white) / 0.15);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-badge span {
    width: 8px;
    height: 8px;
    background-color: hsl(var(--color-primary));
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: 52px;
    line-height: 1.15;
    margin-bottom: 24px;
    font-weight: 800;
    color: white;
}

.hero-title span {
    color: hsl(var(--color-primary));
}

.hero-desc {
    font-size: 18px;
    color: hsl(var(--color-white) / 0.8);
    margin-bottom: 36px;
    max-width: 600px;
}

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

/* 3D Görsel Mockup Kutusu */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid hsl(var(--color-white) / 0.1);
    transform: perspective(1000px) rotateY(-5deg);
    transition: var(--transition);
}

.hero-image-wrapper:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.02);
}

/* 7. Hizmet Kartları Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 32px;
}

.service-card {
    background-color: hsl(var(--color-white));
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid hsl(var(--color-dark) / 0.04);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: hsl(var(--color-primary) / 0.15);
}

.service-icon-box {
    width: 64px;
    height: 64px;
    background-color: hsl(var(--color-light-blue));
    color: hsl(var(--color-primary));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-icon-box svg {
    width: 32px;
    height: 32px;
}

.service-card:hover .service-icon-box {
    background-color: hsl(var(--color-primary));
    color: hsl(var(--color-white));
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 14px;
    color: var(--color-gray);
    margin-bottom: 24px;
    flex-grow: 1;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 14px;
    color: hsl(var(--color-primary));
}

.service-link svg {
    width: 16px;
    height: 16px;
    transition: var(--transition);
}

.service-card:hover .service-link svg {
    transform: translateX(4px);
}

/* 8. İnteraktif Havalandırma Hesaplama Robotu */
.calculator-box {
    background: hsl(var(--color-white));
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid hsl(var(--color-dark) / 0.05);
    overflow: hidden;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.calc-form-side {
    padding: 48px;
    border-right: 1px solid hsl(var(--color-light-gray));
}

.calc-results-side {
    background: radial-gradient(circle at bottom right, hsl(var(--color-dark-gray)) 0%, hsl(var(--color-dark)) 100%);
    color: white;
    padding: 48px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 8px;
    color: hsl(var(--color-dark));
}

.form-control {
    width: 100%;
    padding: 14px;
    border-radius: var(--radius-sm);
    border: 2px solid hsl(var(--color-light-gray));
    background-color: hsl(var(--color-light-gray) / 0.5);
    font-family: var(--font-body);
    font-size: 15px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: hsl(var(--color-primary));
    background-color: white;
}

.calc-desc {
    font-size: 13px;
    color: hsl(var(--color-gray));
    margin-top: 6px;
}

.calc-results-title {
    font-size: 24px;
    margin-bottom: 24px;
    color: white;
    border-bottom: 2px solid hsl(var(--color-primary));
    padding-bottom: 12px;
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid hsl(var(--color-white) / 0.1);
}

.result-label {
    color: hsl(var(--color-white) / 0.7);
    font-size: 14px;
}

.result-val {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 20px;
    color: hsl(var(--color-primary));
}

.result-val span {
    font-size: 14px;
    font-weight: 500;
    color: white;
    margin-left: 4px;
}

.calc-cta {
    margin-top: 32px;
}

/* 9. Trakya Bölge İndeksi */
.regions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.region-btn {
    background-color: hsl(var(--color-white));
    border: 1px solid hsl(var(--color-dark) / 0.05);
    border-radius: var(--radius-sm);
    padding: 16px;
    text-align: center;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.region-btn:hover {
    background-color: hsl(var(--color-primary));
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.region-city-label {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: hsl(var(--color-gray));
    font-weight: 500;
    margin-top: 4px;
}

.region-btn:hover .region-city-label {
    color: hsl(var(--color-white) / 0.8);
}

/* 10. SSS Akordeon Bileşeni */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: white;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid hsl(var(--color-dark) / 0.03);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 24px;
    background: none;
    border: none;
    text-align: left;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 18px;
    color: hsl(var(--color-dark));
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question svg {
    width: 20px;
    height: 20px;
    transition: var(--transition);
    stroke: hsl(var(--color-primary));
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
    color: hsl(var(--color-gray));
    font-size: 15px;
    border-top: 1px solid transparent;
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-item.active .faq-answer {
    padding: 0 24px 24px 24px;
    max-height: 300px;
    border-top-color: hsl(var(--color-light-gray));
}

/* 11. Sayfa Başı Banner (Breadcrumbs) */
.page-banner {
    background: radial-gradient(circle at bottom left, hsl(var(--color-dark-gray)) 0%, hsl(var(--color-dark)) 100%);
    color: white;
    padding: 60px 0;
    position: relative;
}

.page-banner-title {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 10px;
}

.breadcrumbs {
    display: flex;
    gap: 8px;
    font-size: 13px;
    color: hsl(var(--color-white) / 0.6);
}

.breadcrumbs a {
    color: hsl(var(--color-white) / 0.8);
}

.breadcrumbs a:hover {
    color: hsl(var(--color-primary));
}

/* 12. Hakkımızda Sayfası Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 40px auto 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background-color: hsl(var(--color-primary) / 0.2);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    right: -8px;
    background-color: white;
    border: 4px solid hsl(var(--color-primary));
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

.timeline-left {
    left: 0;
}

.timeline-right {
    left: 50%;
}

.timeline-right::after {
    left: -8px;
}

.timeline-content {
    padding: 24px;
    background-color: white;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    border: 1px solid hsl(var(--color-dark) / 0.03);
}

.timeline-year {
    font-weight: 800;
    color: hsl(var(--color-primary));
    font-size: 20px;
    margin-bottom: 8px;
}

/* 13. Projelerimiz Filtrelenebilir Galerisi */
.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 10px 20px;
    background-color: white;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.filter-tab:hover, .filter-tab.active {
    background-color: hsl(var(--color-primary));
    color: white;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
}

.portfolio-item {
    background-color: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid hsl(var(--color-dark) / 0.03);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.portfolio-img-box {
    position: relative;
    height: 220px;
    background-color: hsl(var(--color-light-blue));
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-img-box svg {
    width: 64px;
    height: 64px;
    stroke: hsl(var(--color-primary));
    opacity: 0.3;
}

.portfolio-info {
    padding: 24px;
}

.portfolio-location {
    font-size: 12px;
    text-transform: uppercase;
    font-weight: 700;
    color: hsl(var(--color-primary));
    margin-bottom: 4px;
}

.portfolio-item h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.portfolio-item p {
    font-size: 14px;
    color: hsl(var(--color-gray));
}

/* 14. İletişim Sayfası & Form */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
}

.contact-info-card {
    background-color: white;
    border-radius: var(--radius-md);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid hsl(var(--color-dark) / 0.03);
}

.contact-method {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-method-icon {
    width: 48px;
    height: 48px;
    background-color: hsl(var(--color-light-blue));
    color: hsl(var(--color-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-method-icon svg {
    width: 22px;
    height: 22px;
}

.contact-method-detail h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.contact-method-detail p {
    font-size: 14px;
    color: hsl(var(--color-gray));
}

.contact-map-box {
    margin-top: 40px;
    height: 250px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid hsl(var(--color-dark) / 0.08);
}

.contact-form-card {
    background-color: white;
    border-radius: var(--radius-md);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid hsl(var(--color-dark) / 0.03);
}

.alert {
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 14px;
    margin-bottom: 24px;
}

.alert-success {
    background-color: #d1e7dd;
    color: #0f5132;
    border: 1px solid #badbcc;
}

.alert-error {
    background-color: #f8d7da;
    color: #842029;
    border: 1px solid #f5c2c7;
}

/* 15. Alt Bilgi (Footer) */
footer {
    background-color: hsl(var(--color-dark));
    color: hsl(var(--color-white) / 0.7);
    padding: 80px 0 24px 0;
    border-top: 4px solid hsl(var(--color-primary));
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand-title {
    color: white;
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 16px;
}

.footer-brand-desc {
    font-size: 14px;
    line-height: 1.6;
}

.footer-title {
    color: white;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 8px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: hsl(var(--color-primary));
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
    font-size: 14px;
}

.footer-links a:hover {
    color: hsl(var(--color-primary));
    padding-left: 6px;
}

.footer-contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 14px;
}

.footer-contact-info svg {
    width: 18px;
    height: 18px;
    fill: hsl(var(--color-primary));
    flex-shrink: 0;
    margin-top: 3px;
}

.footer-bottom {
    border-top: 1px solid hsl(var(--color-white) / 0.08);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    flex-wrap: wrap;
    gap: 16px;
}

/* 16. Animasyon Tanımları */
@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(249, 115, 22, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(249, 115, 22, 0);
    }
}

/* 17. Duyarlı Tasarım Medya Sorguları (Responsive) */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 32px;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-image-wrapper {
        transform: none;
        max-width: 500px;
    }
    
    .calc-grid {
        grid-template-columns: 1fr;
    }
    
    .calc-form-side {
        border-right: none;
        border-bottom: 1px solid hsl(var(--color-light-gray));
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .timeline::after {
        left: 31px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    
    .timeline-item::after {
        left: 23px;
    }
    
    .timeline-right {
        left: 0%;
    }
}

@media (max-width: 768px) {
    .header-top {
        display: none;
    }
    
    .nav-menu {
        display: none; /* JS ile kontrol edilecek */
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-menu.mobile-active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: white;
        box-shadow: var(--shadow-lg);
        padding: 24px;
        gap: 16px;
        border-top: 1px solid hsl(var(--color-light-gray));
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}