@font-face {
    font-family: 'Plus Jakarta Sans';
    src: url('Plus_Jakarta_Sans/PlusJakartaSans-VariableFont_wght.ttf') format('truetype');
    font-weight: 100 900;
    font-style: normal;
}

:root {
    --primary-color: #0B1340;
    --secondary-color: #1E2A5E;
    --accent-color: #FFB800;
    --text-color: #333;
    --light-bg: #F8F9FA;
    --white: #ffffff;
    --dark: #0B1340;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
}

.main-content {
    background-color: var(--white);
    position: relative;
    z-index: 1;
}

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

/* Navbar */
.navbar {
    background: var(--white);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
    padding: 0.8rem 0;
    transition: all 0.3s ease;
}

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

.logo a {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo img {
    height: 85px;
    width: auto;
    display: block;
}

.logo-text {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.focus-text {
    color: var(--accent-color);
}

.nav-container {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin-left: auto;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
    font-size: 0.95rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

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

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

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 0 1rem;
    margin-top: 60px;
    overflow: hidden;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.highlight {
    color: var(--accent-color);
    font-weight: 600;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.primary-btn {
    background: var(--accent-color);
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(255, 184, 0, 0.3);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 184, 0, 0.4);
}

.secondary-btn {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    margin-left: 1rem;
}

.secondary-btn:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Services Section */
.services {
    padding: 100px 0;
    background-color: var(--light-bg);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-weight: 700;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--accent-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-card p {
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background-color: var(--light-bg);
}

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

.contact-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}

.contact-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

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

.contact-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 500;
}

.phone {
    background: var(--primary-color);
    color: var(--white);
}

.whatsapp {
    background: #25D366;
    color: var(--white);
}

.contact-button:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

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

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
}

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

/* Footer */
footer {
    background: var(--primary-color);
    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 h4 {
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: all 0.3s;
}

.footer-section a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.footer-section .footer-email {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.footer-section .footer-email:hover {
    opacity: 1;
    color: var(--accent-color);
}

.footer-section .footer-email i {
    font-size: 1rem;
}

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

.footer-bottom p {
    opacity: 0.6;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 2rem;
        flex-direction: column;
        text-align: center;
        box-shadow: var(--shadow);
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .secondary-btn {
        margin: 1rem 0 0 0;
    }

    .service-card,
    .project-card {
        margin: 0 1rem;
    }
}

/* Language Toggle Button */
.lang-toggle {
    background: transparent;
    border: 1.5px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.lang-toggle:hover {
    background: var(--primary-color);
    color: var(--white);
}

.lang-toggle-container {
    display: flex;
    align-items: center;
}

.menu-toggle {
    display: none;
    width: 30px;
    height: 20px;
    position: relative;
    cursor: pointer;
    z-index: 1001;
    margin-left: 20px;
}

.menu-toggle span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: var(--accent-color);
    border-radius: 2px;
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: .3s ease;
}

.menu-toggle span:nth-child(1) {
        top: 0;
}

.menu-toggle span:nth-child(2) {
    top: 9px;
}

.menu-toggle span:nth-child(3) {
    top: 18px;
}

.menu-toggle.active span:nth-child(1) {
    top: 9px;
    transform: rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
    top: 9px;
    transform: rotate(-45deg);
}

/* Mobil menüdeki dil butonu başlangıçta gizli */
.mobile-lang {
    display: none;
}

@media (max-width: 768px) {
    .nav-container {
        margin-left: auto;
    }

    .menu-toggle {
        display: block;
        width: 22px;
        height: 16px;
        position: relative;
        cursor: pointer;
        z-index: 1001;
        margin-left: 20px;
    }

    .menu-toggle span {
        display: block;
        position: absolute;
        height: 2px;
        width: 100%;
        background: var(--accent-color);
        border-radius: 2px;
        opacity: 1;
        left: 0;
        transform: rotate(0deg);
        transition: .3s ease;
    }

    .menu-toggle span:nth-child(1) {
        top: 0;
    }

    .menu-toggle span:nth-child(2) {
        top: 7px;
    }

    .menu-toggle span:nth-child(3) {
        top: 14px;
    }

    .menu-toggle.active span:nth-child(1) {
        top: 7px;
        transform: rotate(45deg);
    }

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

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

    .nav-links {
        position: fixed;
        top: 80px;
        left: unset;
        right: -300px;
        width: 300px;
        height: auto;
        max-height: calc(100vh - 100px);
        background-color: var(--white);
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        border-radius: 16px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        opacity: 0;
        transform: translateX(30px);
        margin: 10px;
        overflow-y: auto;
        z-index: 999;
    }

    .menu-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        opacity: 0;
        transition: opacity 0.3s ease;
        z-index: 997;
    }

    .menu-overlay.active {
        display: block;
        opacity: 1;
    }

    .nav-links.active {
        right: 0;
        opacity: 1;
        transform: translateX(0);
        background-color: var(--white);
    }

    .nav-links li {
        width: 100%;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.3s ease;
        transition-delay: calc(0.1s * var(--item-nr));
    }

    .nav-links.active li {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-links a {
        display: block;
        padding: 0.8rem 1rem;
        font-size: 1rem;
        color: var(--primary-color);
        font-weight: 500;
        border-radius: 8px;
        transition: all 0.2s ease;
    }

    .nav-links a:hover {
        background-color: var(--light-bg);
        color: var(--accent-color);
    }

    .nav-links a::after {
        display: none;
    }

    .lang-toggle-container {
        width: 100%;
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid rgba(0, 0, 0, 0.08);
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.3s ease;
        transition-delay: 0.4s;
    }

    .nav-links.active .lang-toggle-container {
        opacity: 1;
        transform: translateY(0);
    }

    .lang-toggle {
        width: 100%;
        background: transparent;
        border: 1.5px solid var(--primary-color);
        color: var(--primary-color);
        padding: 0.8rem;
        font-size: 0.9rem;
        font-weight: 500;
    }

    .lang-toggle:hover {
        background: var(--primary-color);
        color: var(--white);
    }

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

    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }

    .secondary-btn {
        margin-left: 0;
    }

    .logo img {
        height: 50px;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
}

.about-text {
    max-width: 800px;
    margin: 0 auto;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 3rem;
    text-align: center;
}

.stat-item {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.stat-item i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 0.8rem;
}

.stat-item h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
    font-weight: 700;
}

.stat-item p {
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 500;
}

@media (max-width: 768px) {
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .stat-item {
        padding: 1rem;
    }

    .stat-item h3 {
        font-size: 1.8rem;
    }
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 15px;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    color: var(--accent-color);
    font-size: 1.5rem;
}

.feature-content {
    flex: 1;
}

.feature-content h4 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.feature-content p {
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.5;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .about-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .feature-card {
        padding: 1.25rem;
    }
}

/* Menu Overlay with Blur */
.menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 998;
}

.menu-overlay.active {
    display: block;
    opacity: 1;
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: unset;
        right: -300px;
        width: 300px;
        height: auto;
        max-height: calc(100vh - 100px);
        background-color: var(--white);
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        border-radius: 16px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        opacity: 0;
        transform: translateX(30px);
        margin: 10px;
        overflow-y: auto;
        z-index: 999;
    }

    .menu-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        opacity: 0;
        transition: opacity 0.3s ease;
        z-index: 997;
    }

    .menu-overlay.active {
        display: block;
        opacity: 1;
    }

    .nav-links.active {
        right: 0;
        opacity: 1;
        transform: translateX(0);
        background-color: var(--white);
    }

    .nav-links li {
        width: 100%;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.3s ease;
        transition-delay: calc(0.1s * var(--item-nr));
    }

    .nav-links.active li {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-links a {
        display: block;
        padding: 0.8rem 1rem;
        font-size: 1rem;
        color: var(--primary-color);
        font-weight: 500;
        border-radius: 8px;
        transition: all 0.2s ease;
    }

    .nav-links a:hover {
        background-color: var(--light-bg);
        color: var(--accent-color);
    }

    .nav-links a::after {
        display: none;
    }

    .lang-toggle-container {
        width: 100%;
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid rgba(0, 0, 0, 0.08);
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.3s ease;
        transition-delay: 0.4s;
    }

    .nav-links.active .lang-toggle-container {
        opacity: 1;
        transform: translateY(0);
    }

    .lang-toggle {
        width: 100%;
        background: transparent;
        border: 1.5px solid var(--primary-color);
        color: var(--primary-color);
        padding: 0.8rem;
        font-size: 0.9rem;
        font-weight: 500;
    }

    .lang-toggle:hover {
        background: var(--primary-color);
        color: var(--white);
    }

    /* Hamburger Menu Animation */
    .menu-toggle {
        display: block;
        width: 24px;
        height: 18px;
        position: relative;
        cursor: pointer;
        z-index: 1001;
        margin-left: 20px;
    }

    .menu-toggle span {
        display: block;
        position: absolute;
        height: 2px;
        width: 100%;
        background: var(--accent-color);
        border-radius: 2px;
        opacity: 1;
        left: 0;
        transform: rotate(0deg);
        transition: .25s ease-in-out;
    }

    .menu-toggle span:nth-child(1) {
        top: 0;
        transform-origin: left center;
    }

    .menu-toggle span:nth-child(2) {
        top: 8px;
        transform-origin: left center;
    }

    .menu-toggle span:nth-child(3) {
        top: 16px;
        transform-origin: left center;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg);
        top: -1px;
        left: 4px;
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg);
        top: 17px;
        left: 4px;
    }
}

.vision-mission-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.vision-mission-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.vision-mission-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.vision-mission-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.vision-mission-icon i {
    color: var(--accent-color);
    font-size: 1.8rem;
}

.vision-mission-content h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.vision-mission-content p {
    color: var(--text-color);
    font-size: 1rem;
    line-height: 1.6;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .vision-mission-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .vision-mission-card {
        padding: 1.5rem;
    }

    .vision-mission-icon {
        width: 56px;
        height: 56px;
    }

    .vision-mission-content h3 {
        font-size: 1.3rem;
    }
}

.references {
    padding: 80px 0;
    background-color: var(--white);
    overflow: hidden;
}

.slider-container {
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

.slider {
    width: 100%;
    padding: 20px 0;
}

.slide-track {
    display: flex;
    width: calc(200px * 18); /* 9 items * 2 for loop * width */
    animation: scroll 40s linear infinite;
}

.slide {
    width: 200px;
    height: 100px; /* Sabit yükseklik */
    padding: 0 20px;
    flex-shrink: 0;
    display: flex;
    align-items: center; /* Dikey ortalama */
    justify-content: center; /* Yatay ortalama */
}

.slide img {
    width: 100%;
    max-height: 80px; /* Maksimum yükseklik */
    object-fit: contain; /* Oranı koruyarak sığdırma */
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.slide:hover img {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05);
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-200px * 9)); /* 9 items * width */
    }
}

/* Slider responsive styles */
@media (max-width: 768px) {
    .slide {
        width: 160px;
        height: 80px; /* Mobilde daha küçük yükseklik */
    }

    .slide img {
        max-height: 60px; /* Mobilde daha küçük maksimum yükseklik */
    }

    .slide-track {
        width: calc(160px * 18);
    }

    @keyframes scroll {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(calc(-160px * 9));
        }
    }
}