:root {
    --primary-color: #0056b3; 
    --secondary-color: #f4f4f4; 
    --dark-color: #333;      
    --light-color: #fff;    
}

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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

ul {
    list-style: none;
}

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

.header {
    background-color: var(--light-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu ul {
    display: flex;
    gap: 20px;
}

.nav-menu a {
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.hamburger-menu {
    display: none; 
    font-size: 1.5rem;
    cursor: pointer;
}

.footer {
    background-color: #222;
    color: #ccc;
    padding-top: 3rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 2rem;
}

.footer-column h3 {
    color: var(--light-color);
    margin-bottom: 1rem;
    font-family: 'Montserrat', sans-serif;
}

.footer-column p {
    margin-bottom: 0.5rem;
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: #ccc;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    background-color: #111;
    text-align: center;
    padding: 1rem 0;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 65px; 
        right: -100%; 
        width: 100%;
        height: calc(100vh - 65px); 
        background-color: var(--light-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.5s ease-in-out; 
    }

    .nav-menu.active {
        right: 0; 
    }

    .nav-menu ul {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .nav-menu a {
        font-size: 1.5rem;
    }

    .hamburger-menu {
        display: block; 
        z-index: 1001; 
    }

    .footer-content {
        grid-template-columns: 1fr; 
        text-align: center;
    }
}

#hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

#hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
}

.hero-content-container {
    position: relative;
    z-index: 1; 
    width: 100%;
    padding: 0 25px;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-content h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

/* --- BUTON STİLLERİ --- */
.hero-buttons .btn {
    padding: 12px 30px;
    margin: 0 10px;
    border-radius: 5px;
    font-weight: 700;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.btn-primary {
  background-color: #004494;
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 0.7rem 1.6rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: #002f6c;
  transform: scale(1.05);
}

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

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

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .hero-content p {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    .hero-content p {
        font-size: 1rem;
    }
    .hero-buttons {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        gap: 15px;
    }
    .hero-buttons .btn {
        width: 90%;
    }
}
#services-summary {
    padding: 4rem 0;
    background-color: var(--secondary-color); 
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
}

.section-title p {
    max-width: 500px;
    margin: 0 auto;
    color: #666;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--light-color);
    padding: 2.5rem 1.5rem;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.service-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

@media (max-width: 992px) { 
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) { 
    .services-grid {
        grid-template-columns: 1fr; 
    }
    .section-title h2 {
        font-size: 2rem;
    }
    
}
#about-us {
    padding: 4rem 0;
    background-color: var(--light-color);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr; 
    gap: 50px;
    align-items: center;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.about-content .section-title h2::after {
    left: 0;
    transform: translateX(0);
}

.about-text {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: #555;
}

.about-list {
    list-style: none;
    padding: 0;
}

.about-list li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-weight: 500;
}

.about-list li i {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-right: 10px;
}

@media (max-width: 992px) { 
    .about-grid {
        grid-template-columns: 1fr; 
    }
    .about-image {
        margin-bottom: 2rem;
        text-align: center;
    }
    .about-image img {
        max-width: 80%;
    }
    .about-content .section-title, .about-content .section-title h2 {
        text-align: center; 
    }
    .about-content .section-title h2::after {
        left: 50%;
        transform: translateX(-50%); 
    }
}
#fleet-summary {
    padding: 4rem 0;
    background-color: var(--secondary-color); 
}

.fleet-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.fleet-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden; 
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    cursor: pointer;
}

.fleet-item img {
    width: 100%;
    height: 100%;
    object-fit: cover; 
    display: block;
    transition: transform 0.4s ease;
}

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

.fleet-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 86, 179, 0.8), rgba(0, 0, 0, 0)); 
    display: flex;
    align-items: flex-end; 
    justify-content: center;
    padding: 20px;
    opacity: 0; 
    transition: opacity 0.4s ease;
}

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

.fleet-item-overlay h3 {
    color: var(--light-color);
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    text-align: center;
    transform: translateY(10px); 
    transition: transform 0.4s ease;
}

.fleet-item:hover .fleet-item-overlay h3 {
    transform: translateY(0); 
}

.section-cta {
    text-align: center;
    margin-top: 3rem;
}

@media (max-width: 992px) { 
    .fleet-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

}
#cta {
    padding: 5rem 0;
    position: relative;
    text-align: center;
    color: var(--light-color);
    
    background-image: url('../images/cta-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed; 
}

#cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 86, 179, 0.7); 
}

#cta .container {
    position: relative; 
    z-index: 2;
}

.cta-content h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn-light {
  background-color: var(--light-color);
  color: var(--primary-color);
  font-weight: 600;
  border: none;
  border-radius: 50px;
  padding: 0.7rem 1.6rem;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.btn-light:hover {
  background-color: transparent;
  color: var(--light-color);
  border: 2px solid var(--light-color);
  transform: scale(1.05);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
    #cta {
        background-attachment: scroll;
    }
    .cta-content h2 {
        font-size: 2rem;
    }
}
.page-header {
    padding: 4rem 0;
    background-image: url('../images/cta-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    text-align: center;
    color: var(--light-color);
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 86, 179, 0.8);
}

.page-header .container {
    position: relative;
    z-index: 2;
}

.page-header h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
}

.services-page-content {
    padding: 4rem 0;
}

.service-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 4rem;
}

.service-item:nth-child(even) {
    direction: rtl; 
}
.service-item:nth-child(even) > * {
    direction: ltr; 
}

.service-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.service-text h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-text p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.service-text ul {
    list-style: none;
}

.service-text ul li {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
}

.service-text ul li i {
    color: var(--primary-color);
    margin-right: 10px;
}

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2.2rem;
    }
    .service-item,
    .service-item:nth-child(even) {
        grid-template-columns: 1fr;
        direction: ltr; 
    }
    .service-item > * {
        direction: ltr;
    }
    .service-image {
        margin-bottom: 2rem;
    }
}
.fleet-page-content {
    padding: 4rem 0;
}

.category-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.2rem;
    margin-bottom: 2rem;
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 0.5rem;
    display: inline-block;
}

.vehicle-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 4rem; 
}

.vehicle-card {
    background-color: var(--light-color);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.07);
    overflow: hidden; 
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.vehicle-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.vehicle-card img {
    width: 100%;
    height: 220px; 
    object-fit: cover; 
    display: block;
}

.vehicle-info {
    padding: 1.5rem;
}

.vehicle-info h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.vehicle-info p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.5;
}

@media (max-width: 992px) { 
    .vehicle-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) { 
    .vehicle-grid {
        grid-template-columns: 1fr;
    }
    .category-title {
        font-size: 1.8rem;
    }
}
.projects-page-content {
    padding: 4rem 0;
    background-color: var(--secondary-color); 
}


.project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 4rem; 
}

.project-card {
    background-color: var(--light-color);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.07);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.project-image {
    position: relative; 
}

.project-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.project-category-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--primary-color);
    color: var(--light-color);
    padding: 5px 12px;
    border-radius: 5px;
    font-size: 0.8rem;
    font-weight: 700;
}

.project-info {
    padding: 1.5rem;
}

.project-info h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.project-info p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.5;
}

@media (max-width: 992px) { 
    .project-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) { 
    .project-grid {
        grid-template-columns: 1fr;
    }
}

.contact-page-content {
    padding: 4rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
}

.contact-form-container h3, .contact-details-container h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-form-container p {
    margin-bottom: 2rem;
    color: #666;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
    font-family: 'Roboto', sans-serif;
    transition: border-color 0.3s ease;
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.contact-form button {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
}

.contact-list {
    list-style: none;
    margin-top: 2rem;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.contact-list i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 20px;
    margin-top: 5px;
}

.contact-list strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 3px;
}

.contact-list p {
    margin: 0;
    color: #555;
}

.contact-list a {
    color: #555;
    transition: color 0.3s ease;
}

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

.map-container {
    margin-top: 2rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}


@media (max-width: 992px) { 
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .contact-form-container {
        margin-bottom: 3rem;
    }
}

.error-message {
    color: #d9534f; 
    font-size: 0.9rem;
    margin-top: 5px;
    height: 1em; 
}

.form-group input.error,
.form-group textarea.error {
    border-color: #d9534f; 
}

.about-page-section {
    padding: 4rem 0;
}

.section-subtitle {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}


#mission-vision {
    background-color: var(--secondary-color); 
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.mission-card, .vision-card {
    background-color: #fff;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    text-align: center;
}

.mission-card i, .vision-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.mission-card h3, .vision-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .section-subtitle {
        text-align: center;
    }

    .mission-vision-grid {
        grid-template-columns: 1fr;
    }
}
#photo-gallery {
    padding: 4rem 0;
    background-color: var(--secondary-color);
}

.photo-gallery-slider {
    width: 100%;
    height: 550px; 
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.photo-gallery-slider .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain; 
    background-color: #f0f0f0; 
}

.photo-gallery-slider .swiper-button-next,
.photo-gallery-slider .swiper-button-prev {
    color: var(--light-color) !important;
}

.photo-gallery-slider .swiper-button-next::after,
.photo-gallery-slider .swiper-button-prev::after {
    font-size: 20px !important;
}

.photo-gallery-slider .swiper-pagination-bullet-active {
    background-color: var(--primary-color) !important;
}
.map-container iframe {
    width: 100%;  
    height: 350px; 
    display: block; 
}
.whatsapp-float {
    position: fixed; 
    width: 60px;
    height: 60px;
    bottom: 40px; 
    right: 40px; 
    background-color: #25D366; 
    color: #FFF; 
    border-radius: 50px; 
    text-align: center;
    font-size: 30px; 
    box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.25);
    z-index: 1000; 
    
    display: flex;
    align-items: center;
    justify-content: center;
    
    transition: transform 0.3s ease; 
}

.whatsapp-float:hover {
    transform: scale(1.1); 
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
        font-size: 25px;
    }
}