/* ==========================================================================
   ALAS ENDÜSTRİ - Tasarım Sistemi & Premium Stil Sayfası
   ========================================================================== */

:root {
    /* Renk Paleti */
    --primary: #f27a1a;          /* Endüstriyel Canlı Turuncu */
    --primary-rgb: 242, 122, 26;
    --primary-hover: #d6650c;
    --secondary: #0b111e;        /* Gece Yarısı Mavisi / Koyu Antrasit */
    --secondary-light: #161f30;
    --accent: #ffb703;           /* Kehribar Sarısı */
    
    --bg-dark: #070a12;          /* Ultra Koyu Arka Plan */
    --bg-light: #f8fafc;
    --card-bg: rgba(22, 31, 48, 0.65);
    
    --text-white: #ffffff;
    --text-light: #f1f5f9;
    --text-muted: #94a3b8;
    --text-dark: #0f172a;
    --text-dark-muted: #475569;
    
    /* Fontlar */
    --font-primary: 'Outfit', sans-serif;
    --font-secondary: 'Plus Jakarta Sans', sans-serif;
    
    /* Gölgeler & Border Radius */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.45);
    --shadow-glow: 0 0 20px rgba(242, 122, 26, 0.3);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    /* Geçişler */
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Genel Kurallar */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--text-white);
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ==========================================================================
   Bileşenler (Butonlar, Kartlar vb.)
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.85rem 2rem;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background-color: var(--secondary-light);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
}

.btn-secondary:hover {
    background-color: var(--primary);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--text-light);
    color: var(--text-light);
}

.btn-outline:hover {
    background-color: var(--text-light);
    color: var(--bg-dark);
    transform: translateY(-3px);
}

.btn-whatsapp-header {
    background-color: #25d366;
    color: white;
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
}

.btn-whatsapp-header:hover {
    background-color: #128c7e;
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(37, 211, 102, 0.4);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Bölüm Başlığı Yapısı */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 3px;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 0.75rem;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    margin: 0 auto;
    border-radius: 2px;
}

/* ==========================================================================
   Header & Navigasyon
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(7, 10, 18, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.header.scrolled {
    padding: 0.5rem 0;
    background-color: var(--bg-dark);
    box-shadow: var(--shadow-md);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    transition: var(--transition);
}

.header.scrolled .header-container {
    height: 70px;
}

.logo {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--text-white);
}

.logo-accent {
    color: var(--primary);
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 0.95rem;
    opacity: 0.8;
}

.nav-link:hover, .nav-link.active {
    opacity: 1;
    color: var(--primary);
}

.header-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1010;
}

.mobile-nav-toggle .bar {
    width: 100%;
    height: 3px;
    background-color: var(--text-white);
    border-radius: 2px;
    transition: var(--transition);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    min-height: 100vh;
    padding-top: 120px;
    padding-bottom: 60px;
    display: flex;
    align-items: center;
    background: url('assets/hero.png') no-repeat center center/cover;
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(7, 10, 18, 0.95) 40%, rgba(22, 31, 48, 0.6) 100%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    gap: 4rem;
}

.hero-content {
    max-width: 750px;
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-subtitle {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 4px;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.15;
    background: linear-gradient(to right, #ffffff 60%, rgba(255, 255, 255, 0.7));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1.25rem;
}

/* Quick Contact Bar */
.quick-contact-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    width: 100%;
    margin-top: 2rem;
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
    opacity: 0;
}

.quick-item {
    background: rgba(22, 31, 48, 0.4);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: var(--transition);
}

.quick-item:hover {
    transform: translateY(-5px);
    background: rgba(22, 31, 48, 0.6);
    border-color: rgba(242, 122, 26, 0.3);
}

.quick-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(242, 122, 26, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.whatsapp-icon-bg {
    background-color: rgba(37, 211, 102, 0.1);
    color: #25d366;
}

.quick-text {
    display: flex;
    flex-direction: column;
}

.quick-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.quick-value {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-white);
}

a.quick-value:hover {
    color: var(--primary);
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about {
    padding: 8rem 0;
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.about-p {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.about-p.highlighted {
    font-size: 1.25rem;
    color: var(--text-white);
    font-weight: 500;
}

.about-features {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-icon {
    color: var(--primary);
    font-size: 1.4rem;
    margin-top: 0.2rem;
}

.feature-item h4 {
    font-size: 1.15rem;
    margin-bottom: 0.25rem;
}

.feature-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.about-visual {
    position: relative;
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.visual-card {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-light), var(--bg-dark));
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.visual-placeholder-effect {
    font-size: 8rem;
    color: rgba(242, 122, 26, 0.04);
    animation: rotateSlowly 20s linear infinite;
}

.experience-badge {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    right: 2rem;
    background: rgba(22, 31, 48, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(242, 122, 26, 0.2);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.experience-badge .number {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.experience-badge .text {
    font-weight: 600;
    font-size: 1.1rem;
}

/* ==========================================================================
   Services Section
   ========================================================================== */

.services {
    padding: 8rem 0;
    background-color: var(--bg-dark);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.service-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.03);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    background: rgba(22, 31, 48, 0.9);
    border-color: rgba(242, 122, 26, 0.3);
    box-shadow: var(--shadow-md);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(242, 122, 26, 0.08);
    color: var(--primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 2rem;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: var(--text-white);
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.service-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.service-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.service-bullets {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.service-bullets li {
    font-size: 0.85rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.service-bullets li i {
    color: var(--primary);
}

.service-link {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
}

.service-card:hover .service-link {
    gap: 0.75rem;
}

/* ==========================================================================
   Quote Request Section
   ========================================================================== */

.quote-section {
    padding: 8rem 0;
    background: linear-gradient(180deg, var(--bg-dark), var(--secondary));
}

.quote-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 5rem;
    align-items: center;
}

.quote-tag {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--primary);
    letter-spacing: 2px;
    display: inline-block;
    margin-bottom: 0.75rem;
}

.quote-title {
    font-size: 2.3rem;
    margin-bottom: 1.5rem;
}

.quote-desc {
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.quote-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.step-card {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.step-num {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    background: rgba(242, 122, 26, 0.1);
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.step-card h5 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.step-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Forms Styling */
.form-container-card {
    background: var(--secondary-light);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-container-card h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.form-sub {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.interactive-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group label {
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-light);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    background: rgba(7, 10, 18, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.9rem 1.2rem;
    border-radius: var(--radius-sm);
    color: var(--text-white);
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(7, 10, 18, 0.9);
    box-shadow: 0 0 10px rgba(242, 122, 26, 0.15);
}

.form-group select option {
    background: var(--bg-dark);
    color: var(--text-white);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact {
    padding: 8rem 0;
    background-color: var(--bg-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
    margin-bottom: 5rem;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    background: var(--secondary-light);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    display: flex;
    gap: 1.5rem;
    align-items: center;
    transition: var(--transition);
}

.info-card:hover {
    transform: translateX(5px);
    border-color: rgba(255, 255, 255, 0.1);
}

.info-card-icon {
    width: 55px;
    height: 55px;
    border-radius: var(--radius-sm);
    background: rgba(242, 122, 26, 0.08);
    color: var(--primary);
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.whatsapp-highlight {
    border: 1px solid rgba(37, 211, 102, 0.2);
    background: linear-gradient(135deg, var(--secondary-light), rgba(37, 211, 102, 0.03));
}

.whatsapp-highlight .info-card-icon {
    background: rgba(37, 211, 102, 0.1);
    color: #25d366;
}

.info-card-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.info-card-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.info-card-content a {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.map-link, .phone-link, .email-link {
    color: var(--primary);
}

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

.whatsapp-link:hover {
    color: #128c7e;
}

/* Harita */
.map-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: var(--shadow-lg);
}

.map-container iframe {
    display: block;
    filter: grayscale(0.9) invert(0.9) contrast(1.2);
}

/* ==========================================================================
   Modals (Success Dialogs)
   ========================================================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(7, 10, 18, 0.85);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.modal.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--secondary-light);
    border: 1px solid rgba(242, 122, 26, 0.3);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    padding: 3rem 2rem;
    position: relative;
    transform: translateY(30px);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-lg);
}

.modal.open .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-white);
}

.modal-body {
    text-align: center;
}

.success-icon {
    font-size: 4rem;
    color: #25d366;
    margin-bottom: 1.5rem;
    animation: scaleIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-body h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.modal-body p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.modal-btn {
    min-width: 150px;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background-color: var(--bg-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand .logo {
    display: inline-block;
    margin-bottom: 1.5rem;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--secondary-light);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

.social-link:hover {
    background: var(--primary);
    color: var(--text-white);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.footer-links h4, .footer-contact h4 {
    font-size: 1.15rem;
    margin-bottom: 1.75rem;
    position: relative;
}

.footer-links h4::after, .footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-contact p {
    color: var(--text-muted);
    font-size: 0.9rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.footer-contact p i {
    color: var(--primary);
    margin-top: 0.25rem;
}

.footer-contact a:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2rem 0;
    background-color: rgba(7, 10, 18, 0.5);
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

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

/* ==========================================================================
   Animasyonlar & Responsive Tasarım
   ========================================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes rotateSlowly {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.5);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Responsive Kuralları (Maksimum 1024px) */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .quote-grid, .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    
    .about-visual {
        height: 350px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Responsive Kuralları (Maksimum 768px) */
@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-dark);
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        padding: 3rem 2rem;
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav.open {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 2rem;
        align-items: center;
    }
    
    .nav-link {
        font-size: 1.25rem;
    }
    
    .mobile-nav-toggle {
        display: flex;
    }
    
    .header-cta .btn-whatsapp-header {
        display: none; /* Mobilde header içinde gizle, hero/contact'ta zaten var */
    }
    
    .quick-contact-bar {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .form-container-card {
        padding: 2rem 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
}