/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-dark: #1a2332;
    --primary-blue: #2c3e50;
    --secondary-gray: #34495e;
    --accent-gold: #f39c12;
    --accent-orange: #e67e22;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --white: #ffffff;
    --light-bg: #f8f9fa;
    --border-color: #e0e0e0;
    
    /* Typography */
    --font-primary: 'Montserrat', sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-max-width: 1200px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
    padding-top: 0; /* Header fixed olduğu için body padding gerekmez */
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Main content area - Hero sections en üstten başlar, diğer içerikler normal akışta */
main {
    position: relative;
    z-index: 1;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background-color: transparent;
    transition: var(--transition);
    width: 100%;
}

.navbar {
    padding: 1.2rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background-color: rgba(26, 35, 50, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.navbar-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: var(--transition);
}

.navbar-logo {
    width: 180px;
    height: auto;
    display: block;
    transition: var(--transition);
}

.navbar-brand:hover .navbar-logo {
    transform: translateY(-2px);
    opacity: 0.9;
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    transition: var(--transition);
    position: relative;
}

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

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

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

.nav-link i {
    margin-right: 0.5rem;
    font-size: 0.875rem;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--white);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--accent-gold);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(243, 156, 18, 0.3);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Bina fotoğrafı arka planı - Kendi görselinizi eklemek için bu satırı değiştirin */
    background-image: url('https://images.unsplash.com/photo-1487958449943-2429e8be8625?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
    /* Kendi görselinizi kullanmak için: background-image: url('~/img/hero-building.jpg'); */
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Parallax efekti - sayfa kaydırılsa bile sabit kalır */
    background-repeat: no-repeat;
    overflow: hidden;
    margin: 0;
    padding: 0;
    z-index: 1; /* Header'ın altında kalmalı */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* Koyu lacivert tonlarda şeffaf overlay - metinlerin okunurluğunu artırır */
    background: linear-gradient(135deg, rgba(26, 35, 50, 0.75) 0%, rgba(44, 62, 80, 0.70) 50%, rgba(52, 73, 94, 0.75) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
    animation: fadeInUp 1s ease-out;
    margin-top: 0; /* Header'ın altında içerik başlamalı */
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--white);
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-orange) 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(243, 156, 18, 0.4);
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-gold) 100%);
}

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

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

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.1rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    z-index: 2;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-section {
    padding: var(--section-padding);
    background-color: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-orange) 100%);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 1.5rem auto 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.service-card {
    text-align: center;
    padding: 2.5rem 2rem;
    background-color: var(--white);
    border-radius: 15px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-orange) 100%);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-gold);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-orange) 100%);
    border-radius: 50%;
    color: var(--white);
    font-size: 2rem;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 20px rgba(243, 156, 18, 0.3);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects-section {
    padding: var(--section-padding);
    background-color: var(--light-bg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.project-card {
    background-color: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.project-image {
    position: relative;
    height: 250px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-gray) 100%);
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.3);
    font-size: 4rem;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.9) 0%, rgba(230, 126, 34, 0.9) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--white);
    color: var(--accent-gold);
    border-radius: 50%;
    font-size: 1.5rem;
    text-decoration: none;
    transform: scale(0.8);
    transition: var(--transition);
}

.project-card:hover .project-link {
    transform: scale(1);
}

.project-content {
    padding: 2rem;
}

.project-status {
    display: inline-block;
    padding: 0.4rem 1rem;
    background-color: #27ae60;
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 1rem;
}

.project-status.status-ongoing {
    background-color: var(--accent-gold);
}

.project-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.project-content p {
    color: var(--text-light);
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

.project-features {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.project-features span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.project-features i {
    color: var(--accent-gold);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="dots" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="2" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    opacity: 0.3;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.cta-text {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.9;
    margin-bottom: 3rem;
}

.cta-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

/* ============================================
   FOOTER
   ============================================ */
.main-footer {
    background-color: var(--primary-dark);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.footer-logo {
    width: 180px;
    height: auto;
    display: block;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.footer-logo:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
}

.footer-social a:hover {
    background-color: var(--accent-gold);
    transform: translateY(-3px);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.footer-section ul li a:hover {
    color: var(--accent-gold);
    padding-left: 5px;
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.contact-info i {
    color: var(--accent-gold);
    margin-top: 0.25rem;
    width: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid,
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .navbar-nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--primary-dark);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateX(-100%);
        transition: var(--transition);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }
    
    .navbar-nav.active {
        transform: translateX(0);
    }
    
    .social-links {
        display: none;
    }
    
    .navbar-logo {
        width: 144px;
    }
    
    /* Mobil cihazlarda background-attachment: fixed performans sorunlarına neden olabilir */
    .hero-section {
        background-attachment: scroll;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-logo {
        width: 144px;
    }
    
    :root {
        --section-padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .navbar-logo {
        width: 120px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .service-card,
    .project-card {
        margin: 0 10px;
    }
    
    .cta-stats {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

/* ============================================
   ABOUT PAGE STYLES
   ============================================ */

/* About Page - Header always transparent and white */
body:has(.about-hero) .main-header {
    background-color: transparent !important;
}

body:has(.about-hero) .navbar {
    background-color: transparent !important;
}

body:has(.about-hero) .navbar.scrolled {
    background-color: rgba(26, 35, 50, 0.95) !important;
    backdrop-filter: blur(10px);
}

/* About Hero Section (Banner) */
.about-hero {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: 400px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Ana sayfa gibi koyu tonlarda rezidans görseli */
    background-image: url('https://images.unsplash.com/photo-1487958449943-2429e8be8625?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
    /* Kendi görselinizi kullanmak için: background-image: url('/img/image_69099e.jpg'); */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    overflow: hidden;
    margin: 0;
    padding: 0;
    z-index: 1; /* Header'ın altında kalmalı */
}

.about-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* Koyu lacivert tonlarda şeffaf overlay - metinlerin okunurluğunu artırır */
    background: linear-gradient(135deg, rgba(26, 35, 50, 0.75) 0%, rgba(44, 62, 80, 0.70) 50%, rgba(52, 73, 94, 0.75) 100%);
    z-index: 1;
}

.about-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
}

.about-hero-title {
    font-size: 4rem;
    font-weight: 800;
    color: var(--white);
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    margin: 0;
}

/* Biz Kimiz? Section */
.about-who-section {
    padding: var(--section-padding);
    background-color: var(--white);
}

.about-who-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-who-image {
    position: relative;
    filter: grayscale(100%);
}

.about-who-image img {
    width: 100%;
    height: auto;
    display: block;
    border: 4px solid var(--accent-orange);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.about-who-content {
    padding: 1rem 0;
}

.about-section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

.about-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-orange) 100%);
    border-radius: 2px;
}

.about-text,
.about-text-content {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

.about-feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 500;
}

.about-feature-item i {
    color: var(--accent-orange);
    font-size: 1.25rem;
}

/* Misyonumuz & Vizyonumuz Section */
.about-mission-vision-section {
    padding: var(--section-padding);
    background-color: var(--light-bg);
}

.about-mission-vision-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    padding-bottom: 1.5rem;
}

.about-mission-vision-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-orange) 100%);
    border-radius: 2px;
}

.about-mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.about-mission-card,
.about-vision-card {
    background-color: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.about-mission-card:hover,
.about-vision-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.about-mission-image,
.about-vision-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.about-mission-image img,
.about-vision-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.about-mission-card:hover .about-mission-image img,
.about-vision-card:hover .about-vision-image img {
    transform: scale(1.05);
}

.about-mission-content,
.about-vision-content {
    padding: 2rem;
}

.about-mission-content h3,
.about-vision-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.about-mission-content p,
.about-vision-content p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-light);
}

/* About CTA Section */
.about-cta-section {
    padding: 80px 0;
    background-color: var(--secondary-gray);
    text-align: center;
}

.about-cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 2.5rem;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
}

/* About Page Responsive */
@media (max-width: 1024px) {
    .about-hero-title {
        font-size: 3rem;
    }
    
    .about-who-grid,
    .about-mission-vision-grid {
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .about-hero {
        height: 300px;
        background-attachment: scroll; /* Mobilde performans için */
    }
    
    /* About sayfasında header her zaman şeffaf */
    body:has(.about-hero) .main-header {
        background-color: transparent !important;
    }
    
    body:has(.about-hero) .navbar {
        background-color: transparent !important;
    }
    
    .about-hero {
        height: 300px;
        background-attachment: scroll;
    }
    
    .about-hero-title {
        font-size: 2.5rem;
    }
    
    .about-who-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-mission-vision-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .about-section-title,
    .about-mission-vision-title {
        font-size: 2rem;
    }
    
    .about-cta-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .about-hero {
        height: 250px;
    }
    
    .about-hero-title {
        font-size: 2rem;
    }
    
    .about-section-title,
    .about-mission-vision-title {
        font-size: 1.75rem;
    }
    
    .about-cta-title {
        font-size: 1.75rem;
    }
}

/* ============================================
   CONTACT PAGE STYLES
   ============================================ */

/* Contact Hero Section (Banner) */
.contact-hero {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: 400px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Beyaz/gri tonlarda modern mimari tünel görünümlü arka plan */
    background-image: url('https://images.unsplash.com/photo-1487958449943-2429e8be8625?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
    /* Kendi görselinizi kullanmak için: background-image: url('/img/contact-hero.jpg'); */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    overflow: hidden;
    margin: 0;
    padding: 0;
    z-index: 1; /* Header'ın altında kalmalı */
}

.contact-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* Hafif koyu gri/antrasit tonlarda şeffaf overlay */
    background: linear-gradient(135deg, rgba(52, 73, 94, 0.75) 0%, rgba(44, 62, 80, 0.70) 50%, rgba(52, 73, 94, 0.75) 100%);
    z-index: 1;
}

.contact-hero-content {
    position: relative;
    z-index: 2;
        text-align: center;
    width: 100%;
}

.contact-hero-title {
    font-size: 4rem;
    font-weight: 800;
    color: var(--white);
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    margin: 0;
}

/* Contact Section */
.contact-section {
    padding: var(--section-padding);
    background-color: var(--white);
}

.contact-header {
    text-align: center;
    margin-bottom: 4rem;
}

.contact-section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.contact-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-orange) 100%);
    border-radius: 2px;
}

.contact-section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-top: 1rem;
}

.contact-content {
    max-width: 1000px;
    margin: 0 auto;
}

/* İletişim Bilgileri Kartları */
.contact-info-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-info-card {
    background-color: var(--white);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.contact-info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.contact-card-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-orange) 100%);
    border-radius: 50%;
    color: var(--white);
    font-size: 1.75rem;
    transition: var(--transition);
}

.contact-info-card:hover .contact-card-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 20px rgba(243, 156, 18, 0.3);
}

.contact-info-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.contact-info-card p {
    font-size: 1rem;
    color: var(--text-light);
    margin: 0;
}

/* Bizi Takip Edin */
.contact-follow {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.contact-follow-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.contact-social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.contact-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-orange) 100%);
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.25rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.3);
}

.contact-social-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(243, 156, 18, 0.4);
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-gold) 100%);
}

/* İletişim Formu */
.contact-form-wrapper {
    background-color: var(--light-bg);
    border-radius: 15px;
    padding: 3rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.contact-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    font-family: var(--font-primary);
    color: var(--text-dark);
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(243, 156, 18, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
    font-family: var(--font-primary);
}

/* Google Harita Bölümü */
.contact-map-section {
    width: 100%;
    margin-top: 0;
}

.contact-map-wrapper {
    width: 100%;
    height: 450px;
    overflow: hidden;
}

.contact-map-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* Contact Page Responsive */
@media (max-width: 1024px) {
    .contact-hero-title {
        font-size: 3rem;
    }
    
    .contact-section-title {
        font-size: 2rem;
    }
    
    .contact-info-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .contact-hero {
        height: 300px;
        background-attachment: scroll;
    }
    
    .contact-hero-title {
        font-size: 2.5rem;
    }
    
    .contact-section-title {
        font-size: 1.75rem;
    }
    
    .contact-info-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .contact-form-wrapper {
        padding: 2rem 1.5rem;
    }
    
    .contact-map-wrapper {
        height: 350px;
    }
}

@media (max-width: 480px) {
    .contact-hero {
        height: 250px;
    }
    
    .contact-hero-title {
        font-size: 2rem;
    }
    
    .contact-section-title {
        font-size: 1.5rem;
    }
    
    .contact-form-wrapper {
        padding: 1.5rem 1rem;
    }
    
    .contact-map-wrapper {
        height: 300px;
    }
}

/* ============================================
   PROJECTS PAGE STYLES
   ============================================ */

/* Projects Hero Section (Banner) */
.projects-hero {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: 400px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Mavi camlı, kavisli, modern bina cephesi arka plan */
    background-image: url('https://images.unsplash.com/photo-1487958449943-2429e8be8625?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
    /* Kendi görselinizi kullanmak için: background-image: url('/img/projects-hero.jpg'); */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    overflow: hidden;
    margin: 0;
    padding: 0;
    z-index: 1; /* Header'ın altında kalmalı */
}

.projects-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* Koyu gri/antrasit tonlarda şeffaf overlay */
    background: linear-gradient(135deg, rgba(52, 73, 94, 0.75) 0%, rgba(44, 62, 80, 0.70) 50%, rgba(52, 73, 94, 0.75) 100%);
    z-index: 1;
}

.projects-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
}

.projects-hero-title {
    font-size: 4rem;
    font-weight: 800;
    color: var(--white);
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    margin: 0;
}

/* Projects Content Section */
.projects-content-section {
    padding: var(--section-padding);
    background-color: var(--white);
}

.projects-header {
    margin-bottom: 4rem;
}

.projects-section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.projects-count {
    font-size: 1rem;
    color: var(--text-light);
    margin-top: 0.5rem;
    margin-bottom: 0;
}

.projects-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-orange) 100%);
    border-radius: 2px;
}

/* Project Item */
.project-item {
    margin-bottom: 5rem;
}

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

.project-item-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.project-item-reverse .project-item-grid {
    direction: rtl;
}

.project-item-reverse .project-item-grid > * {
    direction: ltr;
}

.project-image-wrapper {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.project-image-wrapper:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.project-map-image {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.project-image-wrapper:hover .project-map-image {
    transform: scale(1.05);
}

.project-content-wrapper {
    padding: 1rem 0;
}

.project-header-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.project-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
}

/* Proje Durum Badge'leri */
.badge-proje-durum {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-tamamlandı,
.badge-bitti,
.badge-tamamlandi {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
    color: white;
}

.badge-devam-ediyor,
.badge-devam {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: white;
}

.badge-plan-aşamasında,
.badge-plan,
.badge-taslak {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
}

.project-description {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.project-features-list {
    margin-bottom: 2rem;
}

.project-feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 500;
    margin-bottom: 1rem;
}

.project-feature-item i {
    color: var(--accent-orange);
    font-size: 1.25rem;
}

/* Projects Media Section */
.projects-media-section {
    padding: var(--section-padding);
    background-color: var(--light-bg);
}

.projects-gallery {
    margin-bottom: 4rem;
}

.gallery-title,
.videos-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.gallery-title::after,
.videos-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-orange) 100%);
    border-radius: 2px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    aspect-ratio: 1;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

.gallery-item:hover img {
    transform: scale(1.1);
}

/* Projects Videos */
.projects-videos {
    margin-top: 4rem;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    background-color: var(--primary-dark);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Project Video Embed (Proje içinde) */
.project-video-embed {
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 2px solid var(--border-color);
}

.project-video-embed .video-wrapper {
    max-width: 800px;
    margin: 0 auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* Projects Pagination */
.projects-pagination {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    width: 100%;
}

.projects-pagination .pagination {
    margin: 0 auto;
    gap: 0.375rem;
    justify-content: center;
    flex-wrap: wrap;
    display: flex;
    width: 100%;
}

.projects-pagination .page-item {
    margin: 0;
}

.projects-pagination .page-link {
    color: var(--text-dark);
    border: 1px solid var(--border-color);
    padding: 0.5rem 0.5rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
    background-color: #ffffff;
    min-width: auto;
    width: auto;
    height: 36px;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
}

/* Sayfa numaraları için dar genişlik (sadece rakam içeren) */
.projects-pagination .page-link:not([aria-label]) {
    min-width: 36px;
    padding: 0.5rem 0.375rem;
    width: 36px;
}

.projects-pagination .page-link:hover:not(.disabled):not(.active) {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-orange) 100%);
    color: white;
    border-color: var(--accent-orange);
    text-decoration: underline;
    box-shadow: 0 2px 8px rgba(243, 156, 18, 0.25);
}

.projects-pagination .page-item.active .page-link {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-orange) 100%);
    color: white;
    border-color: var(--accent-orange);
    box-shadow: 0 2px 10px rgba(243, 156, 18, 0.35);
    font-weight: 600;
    text-decoration: none;
}

.projects-pagination .page-item.disabled .page-link {
    background-color: #ffffff;
    border-color: var(--border-color);
    color: var(--text-light);
    cursor: not-allowed;
    opacity: 0.6;
    text-decoration: none;
}

.projects-pagination .page-link i {
    font-size: 0.75rem;
}

.projects-pagination .page-link span.d-none.d-sm-inline {
    text-decoration: underline;
}

.projects-pagination .page-item.active .page-link span.d-none.d-sm-inline {
    text-decoration: none;
}

.projects-empty {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

.projects-empty i {
    color: var(--accent-orange);
    margin-bottom: 1.5rem;
}

.projects-empty p {
    font-size: 1.25rem;
    margin: 0;
}

/* Projects CTA Section */
.projects-cta-section {
    padding: 80px 0;
    background-color: var(--secondary-gray);
    text-align: center;
}

.projects-cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 2.5rem;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
}

/* Projects Page Responsive */
@media (max-width: 1024px) {
    .projects-hero-title {
        font-size: 3rem;
    }
    
    .projects-section-title {
        font-size: 2rem;
    }
    
    .project-item-grid {
        gap: 3rem;
    }
    
    .videos-grid {
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .projects-hero {
        height: 300px;
        background-attachment: scroll;
    }
    
    .projects-hero-title {
        font-size: 2.5rem;
    }
    
    .projects-section-title {
        font-size: 1.75rem;
    }
    
    .project-item-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .project-item-reverse .project-item-grid {
        direction: ltr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
    }
    
    .videos-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .projects-cta-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .projects-hero {
        height: 250px;
    }
    
    .projects-hero-title {
        font-size: 2rem;
    }
    
    .projects-section-title {
        font-size: 1.5rem;
    }
    
    .project-title {
        font-size: 1.5rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-cta-title {
        font-size: 1.75rem;
    }
}