/* Ana Değişkenler */
:root {
    --primary-color: #164e78;
    --secondary-color: #f2a900;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --border-radius: 8px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* Temel Sıfırlama */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

    .btn:hover {
        background-color: #0d3a5d;
        transform: translateY(-3px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
    }

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--dark-color);
}

    .btn-secondary:hover {
        background-color: #e29900;
    }

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

    .btn-accent:hover {
        background-color: #c0392b;
    }

.section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 1px;
}

    .section-title::after {
        content: '';
        position: absolute;
        bottom: -15px;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 4px;
        background-color: var(--secondary-color);
    }

.section-subtitle {
    text-align: center;
    margin-top: -40px;
    margin-bottom: 60px;
    color: #777;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Header ve Navigasyon */
.header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

    .header.scrolled {
        padding: 5px 0;
        background-color: white;
    }

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
}

    .logo i {
        margin-right: 10px;
        color: var(--secondary-color);
    }

.nav-links {
    display: flex;
    gap: 30px;
}

    .nav-links a {
        font-weight: 500;
        transition: var(--transition);
        padding: 10px 0;
        position: relative;
    }

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

        .nav-links a:hover {
            color: var(--primary-color);
        }

            .nav-links a:hover::after {
                width: 100%;
            }

    .nav-links .active::after {
        width: 100%;
    }

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Bölümü */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1591128892878-81c8dde9c3c5?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') no-repeat center center/cover;
    display: flex;
    align-items: center;
    color: white;
    text-align: center;
    position: relative;
}

    .hero::before {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 100px;
        background: linear-gradient(to top, rgba(248, 249, 250, 1), transparent);
        z-index: 1;
    }

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    z-index: 2;
}

.hero h1 {
    font-size: 3.8rem;
    margin-bottom: 20px;
    font-weight: 700;
    animation: fadeInDown 1s;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    animation: fadeInUp 1s 0.3s both;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
    animation: fadeIn 1s 0.6s both;
}

/* Hizmetler Bölümü */
.services {
    background-color: var(--light-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

    .service-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 0;
        background-color: var(--primary-color);
        transition: var(--transition);
        z-index: -1;
        opacity: 0.05;
    }

    .service-card:hover {
        transform: translateY(-15px);
    }

        .service-card:hover::before {
            height: 100%;
        }

.service-icon {
    font-size: 3.5rem;
    color: var(--secondary-color);
    margin-bottom: 25px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    color: var(--accent-color);
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    transition: var(--transition);
}

.service-card:hover .service-title {
    color: var(--accent-color);
}

/* Hakkımızda Bölümü */
.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 50px;
    align-items: center;
}

.about-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    position: relative;
}

    .about-image::before {
        content: '';
        position: absolute;
        top: 20px;
        left: 20px;
        width: 100%;
        height: 100%;
        border: 5px solid var(--secondary-color);
        border-radius: var(--border-radius);
        z-index: -1;
    }

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 25px;
    color: var(--primary-color);
}

.about-content p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-content .btn {
    margin-top: 20px;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    transition: var(--transition);
}

    .feature-item:hover {
        transform: translateX(5px);
    }

    .feature-item i {
        font-size: 1.2rem;
        color: var(--secondary-color);
        margin-right: 15px;
    }

/* İstatistikler Bölümü */
.stats {
    background: linear-gradient(rgba(22, 78, 120, 0.9), rgba(22, 78, 120, 0.9)), url('https://images.unsplash.com/photo-1555633514-abcee6ab92e1?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') no-repeat center center/cover;
    color: white;
    text-align: center;
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.stat-title {
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Referanslar Bölümü */
.testimonials {
    background-color: var(--light-color);
}

.testimonial-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-item {
    background-color: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    display: none;
    position: relative;
}

    .testimonial-item::before {
        content: '\201C';
        font-size: 100px;
        position: absolute;
        top: -10px;
        left: 20px;
        color: rgba(242, 169, 0, 0.1);
        font-family: serif;
    }

    .testimonial-item.active {
        display: block;
        animation: fadeIn 0.8s;
    }

.testimonial-text {
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.8;
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.testimonial-role {
    font-size: 0.9rem;
    color: #777;
    margin-top: 5px;
}

.testimonial-nav {
    display: flex;
    justify-content: center;
    margin-top: 30px;
    gap: 10px;
}

.testimonial-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #ddd;
    cursor: pointer;
    transition: var(--transition);
}

    .testimonial-dot.active {
        background-color: var(--secondary-color);
    }

/* Galeri Bölümü */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.gallery-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
    height: 250px;
    cursor: pointer;
}

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

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(22, 78, 120, 0.8), rgba(242, 169, 0, 0.8));
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
}

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

.gallery-overlay i {
    color: white;
    font-size: 2rem;
}

/* CTA Bölümü */
.cta {
    background: linear-gradient(rgba(231, 76, 60, 0.9), rgba(231, 76, 60, 0.9)), url('https://images.unsplash.com/photo-1552664688-cf412ec27db2?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') no-repeat center center/cover;
    color: white;
    text-align: center;
    padding: 80px 0;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

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

    .cta .btn:hover {
        background-color: var(--dark-color);
        color: white;
    }

/* İletişim Bölümü */
.contact {
    background-color: var(--light-color);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 50px;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 15px;
}

    .contact-info h3::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 50px;
        height: 3px;
        background-color: var(--secondary-color);
    }

.contact-details {
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    transition: var(--transition);
}

    .contact-item:hover {
        transform: translateX(5px);
    }

    .contact-item i {
        font-size: 1.2rem;
        color: var(--secondary-color);
        margin-right: 15px;
        margin-top: 5px;
    }

.contact-text {
    line-height: 1.5;
}

.social-links {
    display: flex;
    gap: 15px;
}

    .social-links a {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 40px;
        height: 40px;
        background-color: var(--primary-color);
        color: white;
        border-radius: 50%;
        transition: var(--transition);
    }

        .social-links a:hover {
            background-color: var(--secondary-color);
            transform: translateY(-5px);
        }

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

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    outline: none;
    transition: var(--transition);
    font-family: inherit;
    font-size: 1rem;
}

    .contact-form input:focus,
    .contact-form textarea:focus {
        border-color: var(--primary-color);
        box-shadow: 0 0 0 2px rgba(22, 78, 120, 0.1);
    }

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: white;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

    .footer-col h4::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 50px;
        height: 2px;
        background-color: var(--secondary-color);
    }

.footer-col ul li {
    margin-bottom: 12px;
    transition: var(--transition);
}

    .footer-col ul li:hover {
        transform: translateX(5px);
    }

    .footer-col ul li a {
        transition: var(--transition);
        display: block;
    }

        .footer-col ul li a:hover {
            color: var(--secondary-color);
        }

.footer-col p {
    line-height: 1.8;
    color: #ccc;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Özel Animasyonlar */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll To Top Button */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 99;
}

    .scroll-top.active {
        opacity: 1;
        visibility: visible;
    }

    .scroll-top:hover {
        background-color: var(--secondary-color);
        transform: translateY(-5px);
    }

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

    .lightbox.active {
        opacity: 1;
        visibility: visible;
    }

.lightbox-content {
    position: relative;
    max-width: 80%;
    max-height: 80%;
}

    .lightbox-content img {
        max-width: 100%;
        max-height: 80vh;
        display: block;
        border: 5px solid white;
    }

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
}

/* Responsive Tasarım */
@media (max-width: 1200px) {
    .hero h1 {
        font-size: 3.2rem;
    }

    .section {
        padding: 80px 0;
    }
}

@media (max-width: 992px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
        margin-bottom: 30px;
    }

        .about-image::before {
            display: none;
        }

    .hero h1 {
        font-size: 2.8rem;
    }
}

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

    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: white;
        flex-direction: column;
        align-items: center;
        padding: 40px 0;
        transition: var(--transition);
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    }

        .nav-links.active {
            left: 0;
        }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-btns {
        flex-direction: column;
        align-items: center;
    }

    .section-title {
        font-size: 2rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .about-features {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .service-card {
        padding: 30px 20px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .testimonial-item {
        padding: 30px 20px;
    }

    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}