/* ===== CSS Variables ===== */
:root {
    --primary-blue: #0066CC;
    --dark-blue: #003D7A;
    --light-blue: #E6F2FF;
    --accent-orange: #FF6B35;
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --medium-gray: #6C757D;
    --dark-gray: #212529;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--dark-gray);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    min-height: 90px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    text-decoration: none;
    height: 100%;
    padding: 0.5rem 0;
}

.logo-image {
    height: 70px;
    width: auto;
    max-width: 300px;
    object-fit: contain;
    object-position: left center;
    transition: var(--transition);
    display: block;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: high-quality;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    filter: contrast(1.05) brightness(1.02);
}

/* Logo hover efekti */
.logo:hover .logo-image {
    transform: scale(1.02);
    filter: contrast(1.08) brightness(1.05);
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-blue);
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.logo-subtitle {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-orange);
    transition: var(--transition);
}

/* Logo hover efekti - text için */
.logo:hover .logo-text {
    color: var(--accent-orange);
}

.logo:hover .logo-subtitle {
    color: var(--primary-blue);
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: var(--transition);
}

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

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    box-shadow: var(--shadow-lg);
    border-radius: 8px;
    padding: 0.5rem 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    list-style: none;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--dark-gray);
    text-decoration: none;
    transition: var(--transition);
}

.dropdown-menu li a:hover {
    background: var(--light-blue);
    color: var(--primary-blue);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-nav {
    background: var(--primary-blue);
    color: white;
}

.btn-nav:hover {
    background: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 3px;
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #000;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translateX(-50%) translateY(-50%);
    z-index: 0;
    object-fit: cover;
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 61, 122, 0.3);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn-primary {
    background: var(--accent-orange);
    color: white;
}

.btn-primary:hover {
    background: #E55A2B;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

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

.btn-secondary:hover {
    background: white;
    color: var(--primary-blue);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    animation: scroll 2s infinite;
}

/* ===== Section Styles ===== */
section {
    padding: 6rem 0;
}

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

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--light-blue);
    color: var(--primary-blue);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark-blue);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== About Section ===== */
.about-section {
    background: var(--light-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--medium-gray);
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--medium-gray);
    font-weight: 500;
}

/* ===== Services Section ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-orange));
    transform: scaleX(0);
    transition: var(--transition);
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--light-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon svg {
    width: 30px;
    height: 30px;
    color: var(--primary-blue);
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-blue);
}

.service-description {
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
}

.service-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.service-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--medium-gray);
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

.service-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.service-link:hover {
    gap: 0.5rem;
}

/* ===== Vision Mission Section ===== */
.vision-mission {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 100%);
    color: white;
}

.vm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.vm-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.vm-icon {
    width: 70px;
    height: 70px;
    background: var(--accent-orange);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.vm-icon svg {
    width: 35px;
    height: 35px;
    color: white;
}

.vm-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.vm-card p {
    line-height: 1.8;
    opacity: 0.95;
}

/* ===== Why Us Section ===== */
.why-us {
    background: var(--light-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.feature-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--light-blue);
    margin-bottom: 1rem;
    line-height: 1;
}

.feature-item h4 {
    font-size: 1.25rem;
    color: var(--dark-blue);
    margin-bottom: 0.75rem;
}

.feature-item p {
    color: var(--medium-gray);
}

/* ===== Team Section ===== */
.team-section {
    background: var(--light-gray);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.team-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

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

.team-icon {
    width: 70px;
    height: 70px;
    background: var(--light-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.team-icon svg {
    width: 35px;
    height: 35px;
    color: var(--primary-blue);
}

.team-card h3 {
    font-size: 1.25rem;
    color: var(--dark-blue);
    margin-bottom: 1rem;
}

.team-card p {
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ===== Innovation Section ===== */
.innovation-section {
    background: white;
}

.innovation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.innovation-card {
    background: var(--light-gray);
    padding: 2.5rem;
    border-radius: 16px;
    transition: var(--transition);
    border-left: 4px solid var(--primary-blue);
}

.innovation-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow);
}

.innovation-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.innovation-icon svg {
    width: 30px;
    height: 30px;
    color: white;
}

.innovation-card h3 {
    font-size: 1.25rem;
    color: var(--dark-blue);
    margin-bottom: 1rem;
}

.innovation-card p {
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ===== Sustainability Section ===== */
.sustainability-section {
    background: var(--light-gray);
}

.sustainability-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.sustainability-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.sustainability-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.sustainability-icon svg {
    width: 30px;
    height: 30px;
    color: white;
}

.sustainability-card h3 {
    font-size: 1.25rem;
    color: var(--dark-blue);
    margin-bottom: 1rem;
}

.sustainability-card p {
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ===== Partnerships Section ===== */
.partnerships-section {
    background: white;
}

.partnerships-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.partnership-card {
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    color: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.partnership-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 102, 204, 0.3);
}

.partnership-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.partnership-icon svg {
    width: 30px;
    height: 30px;
    color: white;
}

.partnership-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.partnership-card p {
    line-height: 1.6;
    opacity: 0.95;
}

/* ===== Testimonials Section ===== */
.testimonials-section {
    background: var(--light-gray);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

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

.testimonial-quote {
    width: 50px;
    height: 50px;
    background: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.testimonial-quote svg {
    width: 24px;
    height: 24px;
    color: var(--primary-blue);
}

.testimonial-text {
    color: var(--medium-gray);
    line-height: 1.8;
    font-size: 1.125rem;
    margin-bottom: 2rem;
    font-style: italic;
}

.testimonial-author h4 {
    color: var(--dark-blue);
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.testimonial-author p {
    color: var(--medium-gray);
    font-size: 0.95rem;
}

/* ===== Future Vision Section ===== */
.future-vision {
    background: white;
}

.vision-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.vision-card {
    background: var(--light-gray);
    padding: 2.5rem;
    border-radius: 16px;
    transition: var(--transition);
}

.vision-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.vision-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-orange);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.vision-icon svg {
    width: 30px;
    height: 30px;
    color: white;
}

.vision-card h3 {
    font-size: 1.25rem;
    color: var(--dark-blue);
    margin-bottom: 1rem;
}

.vision-card p {
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ===== Projects Section ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    height: 250px;
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.project-btn {
    padding: 0.75rem 1.5rem;
    background: var(--accent-orange);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.project-btn:hover {
    background: #E55A2B;
    transform: scale(1.05);
}

.project-content {
    padding: 2rem;
}

.project-category {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--light-blue);
    color: var(--primary-blue);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.project-content p {
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ===== Contact Section ===== */
.contact-section {
    background: var(--light-gray);
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.contact-item h4 {
    color: var(--dark-blue);
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--medium-gray);
}

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

.social-link {
    width: 45px;
    height: 45px;
    background: var(--primary-blue);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--accent-orange);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
    color: white;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
    margin-bottom: 1rem;
}

.footer-desc {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.footer-social svg {
    width: 18px;
    height: 18px;
    color: white;
}

.footer-col h4 {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

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

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

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

/* ===== Animations ===== */
@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);
    }
}

@keyframes scroll {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 968px) {
    /* Navbar yüksekliği mobilde */
    .nav-container {
        min-height: 70px;
        padding: 0.75rem 20px;
    }
    
    /* Logo mobilde */
    .logo-image {
        height: 60px;
        max-width: 260px;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .logo-subtitle {
        font-size: 0.9rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: white;
        width: 100%;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-info-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    /* Navbar yüksekliği çok küçük ekranlarda */
    .nav-container {
        min-height: 65px;
        padding: 0.5rem 15px;
    }
    
    /* Logo küçük ekranlarda */
    .logo-image {
        height: 55px;
        max-width: 240px;
    }
    
    .logo-text {
        font-size: 1.3rem;
    }
    
    .logo-subtitle {
        font-size: 0.8rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Detail Pages ===== */
.page-hero {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 100%);
    color: white;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
}

.detail-section {
    padding: 4rem 0;
}

.detail-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.detail-intro {
    margin-bottom: 3rem;
}

.detail-intro h2 {
    font-size: 2rem;
    color: var(--dark-blue);
    margin-bottom: 1rem;
}

.detail-intro p {
    color: var(--medium-gray);
    line-height: 1.8;
    font-size: 1.125rem;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-box {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.feature-box .feature-icon {
    width: 60px;
    height: 60px;
    background: var(--light-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-box .feature-icon svg {
    width: 30px;
    height: 30px;
    color: var(--primary-blue);
}

.feature-box h3 {
    font-size: 1.25rem;
    color: var(--dark-blue);
    margin-bottom: 0.75rem;
}

.feature-box p {
    color: var(--medium-gray);
    line-height: 1.6;
}

.services-detail {
    margin-bottom: 3rem;
}

.services-detail > h2 {
    font-size: 2rem;
    color: var(--dark-blue);
    margin-bottom: 2rem;
}

.service-detail-item {
    background: var(--light-gray);
    padding: 2.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
}

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

.service-detail-item p {
    color: var(--medium-gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.service-detail-item ul {
    list-style: none;
    padding-left: 0;
}

.service-detail-item ul li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--medium-gray);
    border-bottom: 1px solid #E9ECEF;
}

.service-detail-item ul li:last-child {
    border-bottom: none;
}

.service-detail-item ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
    font-size: 1.2rem;
}

.detail-content h2 {
    font-size: 2rem;
    color: var(--dark-blue);
    margin-bottom: 1rem;
}

.detail-content h3 {
    font-size: 1.5rem;
    color: var(--dark-blue);
    margin: 2.5rem 0 1.5rem;
}

.detail-content h4 {
    font-size: 1.25rem;
    color: var(--dark-blue);
    margin-bottom: 0.75rem;
}

.detail-content p {
    color: var(--medium-gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.service-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.service-detail-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-blue);
    transition: var(--transition);
}

.service-detail-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.service-detail-card.featured-project {
    border-left-color: var(--accent-orange);
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05), rgba(255, 107, 53, 0.05));
}

.service-detail-card h4 {
    color: var(--dark-blue);
    margin-bottom: 0.75rem;
}

.service-detail-card p {
    color: var(--medium-gray);
    margin-bottom: 0;
}

.content-block {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
}

.content-block h4 {
    color: var(--primary-blue);
    margin-top: 1.5rem;
}

.content-block h4:first-child {
    margin-top: 0;
}

.feature-list {
    list-style: none;
    padding-left: 0;
}

.feature-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--medium-gray);
    border-bottom: 1px solid #E9ECEF;
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
    font-size: 1.2rem;
}

.detail-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    color: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.cta-box h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: white;
}

.cta-box p {
    margin-bottom: 1.5rem;
    opacity: 0.95;
    color: white;
}

.info-box {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.info-box h4 {
    color: var(--dark-blue);
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.info-box ul {
    list-style: none;
    padding: 0;
}

.info-box ul li {
    margin-bottom: 0.75rem;
}

.info-box ul li a {
    color: var(--medium-gray);
    text-decoration: none;
    transition: var(--transition);
    display: block;
    padding: 0.5rem;
    border-radius: 6px;
}

.info-box ul li a:hover {
    background: var(--light-blue);
    color: var(--primary-blue);
    padding-left: 1rem;
}

@media (max-width: 968px) {
    .detail-grid {
        grid-template-columns: 1fr;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .service-items {
        grid-template-columns: 1fr;
    }
}