/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

body.dark-mode {
    background: #181a1b;
    color: #e0e0e0;
}

body.dark-mode .navbar {
    background: #181a1b !important;
    box-shadow: 0 2px 20px rgba(0,0,0,0.7);
}

body.dark-mode .nav-link {
    color: #e0e0e0;
}
body.dark-mode .nav-link:hover {
    color: #fbbf24;
}
body.dark-mode .logo-text {
    color: #fbbf24;
}
body.dark-mode .hero {
    background: linear-gradient(135deg, #232526 0%, #414345 100%);
    color: #e0e0e0;
}
body.dark-mode .btn-primary {
    background: linear-gradient(45deg, #fbbf24, #f59e0b);
    color: #181a1b;
}
body.dark-mode .btn-secondary {
    background: #232526;
    color: #fbbf24;
}
body.dark-mode .btn-secondary:hover {
    background: #181a1b;
    color: #fbbf24;
}
body.dark-mode .service-card,
body.dark-mode .feature-card,
body.dark-mode .about,
body.dark-mode .contact,
body.dark-mode .footer {
    background: #232526;
    color: #e0e0e0;
}
body.dark-mode .section-title {
    color: #fbbf24;
}
body.dark-mode .stat-number {
    color: #fbbf24;
}
body.dark-mode .kurum-numara {
    background: #232526;
    color: #fbbf24;
}
body.dark-mode .kurum-numara:hover {
    background: #181a1b;
    color: #fbbf24;
}
body.dark-mode .footer {
    background: #181a1b;
    color: #e0e0e0;
}
body.dark-mode .services {
    background: #181a1b;
}
body.dark-mode .service-card {
    background: #232526;
    color: #e0e0e0;
    border-color: #333;
}
body.dark-mode .service-card h3 {
    color: #fbbf24;
}
body.dark-mode .service-levels h4 {
    color: #fbbf24;
}
body.dark-mode .service-levels li {
    color: #e0e0e0;
}
body.dark-mode .service-icon {
    background: linear-gradient(135deg, #232526, #414345);
}
body.dark-mode .about {
    background: #232526;
    color: #e0e0e0;
}
body.dark-mode .about-description {
    color: #e0e0e0;
}
body.dark-mode .about-text h3 {
    color: #fbbf24;
}
body.dark-mode .feature h4 {
    color: #fbbf24;
}
body.dark-mode .feature p {
    color: #e0e0e0;
}
body.dark-mode .why-choose {
    background: #232526;
}
body.dark-mode .feature-card {
    background: #232526;
    color: #e0e0e0;
    border-color: #333;
}
body.dark-mode .feature-card h3 {
    color: #fbbf24;
}
body.dark-mode .feature-card p {
    color: #e0e0e0;
}
body.dark-mode .feature-icon {
    background: linear-gradient(135deg, #232526, #414345);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
    display: block;
    visibility: visible;
    opacity: 1;
}

.logo-text {
    font-weight: 600;
    font-size: 1.2rem;
    color: #2563eb;
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #2563eb;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: #2563eb;
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.highlight {
    background: linear-gradient(45deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #fbbf24;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

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

.btn {
    padding: 17px 34px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1.4rem;
}

.btn-primary {
    background: linear-gradient(45deg, #fbbf24, #f59e0b);
    color: white;
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(251, 191, 36, 0.6);
}

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

.btn-secondary:hover {
    background: white;
    color: #667eea;
}

.hero-image {
    position: relative;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.profile-img {
    width: 400px;
    height: 400px;
    border-radius: 20px;
    object-fit: cover;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border: 4px solid white;
    display: block;
    visibility: visible;
    opacity: 1;
    margin-top: -50px;
    margin-right: 0px;
}

.image-badge {
    position: relative;
    background: linear-gradient(45deg, #fbbf24, #f59e0b);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    margin-top: 10px;
    margin-right: 0px;
    margin-left: 0;
    align-self: center;
    justify-content: center;
}

.profile-img.small-logo {
    width: 220px;
    height: 220px;
    margin-top: 0;
    margin-bottom: 10px;
}

.kurum-aciklama {
    background: rgba(255,255,255,0.15);
    color: #fff;
    font-size: 1.05rem;
    margin: 18px 0 10px 0;
    padding: 16px 18px;
    border-radius: 14px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.07);
    text-align: left;
    max-width: 400px;
    line-height: 1.6;
}

.kurum-numara {
    background: #fbbf24;
    color: #222;
    font-weight: bold;
    font-size: 1.15rem;
    padding: 10px 18px;
    border-radius: 10px;
    display: inline-block;
    margin-bottom: 10px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: background 0.2s;
}

.kurum-numara:hover {
    background: #f59e0b;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1f2937;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    padding: 100px 0;
    background: #f8fafc;
}

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

.about-text h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    color: #4b5563;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature i {
    font-size: 1.5rem;
    color: #2563eb;
    margin-top: 5px;
}

.feature h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.feature p {
    color: #6b7280;
    line-height: 1.5;
}

.about-img {
    width: 100%;
    max-width: 400px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    visibility: visible;
    opacity: 1;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.service-levels h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 1.5rem 0 1rem;
    color: #2563eb;
}

.service-levels h4:first-child {
    margin-top: 0;
}

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

.service-levels li {
    padding: 0.5rem 0;
    color: #4b5563;
    position: relative;
    padding-left: 1.5rem;
}

.service-levels li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

/* Why Choose Section */
.why-choose {
    padding: 100px 0;
    background: #f8fafc;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.2rem;
    color: white;
}

.contact-item h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.contact-item p {
    color: #6b7280;
    line-height: 1.5;
}

.contact-form {
    background: #f8fafc;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
}

.footer-logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
    display: block;
    visibility: visible;
    opacity: 1;
}

.footer-section h4 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: #fbbf24;
}

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

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

.footer-section ul li a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #fbbf24;
}

.footer-section p {
    color: #d1d5db;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: #374151;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #fbbf24;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

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

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

    .hero-stats {
        justify-content: center;
    }

    .hero-image {
        text-align: center;
        align-items: center;
    }

    .profile-img {
        width: 140px;
        height: 140px;
    }

    .kurum-aciklama, .kurum-numara {
        max-width: 95vw;
        font-size: 0.98rem;
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

    .image-badge {
        margin-right: 0;
        margin-left: 0;
        align-self: center;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

    .hero-image {
        margin-top: 0;
    }

    .profile-img {
        width: 90px;
        height: 90px;
    }

    .kurum-aciklama, .kurum-numara {
        font-size: 0.93rem;
        padding: 10px 8px;
    }

    .image-badge {
        margin: 10px 0 0 0;
        align-self: center;
    }

    .service-card {
        padding: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.hero-content {
    animation: fadeInLeft 1s ease-out;
}

.hero-image {
    animation: fadeInRight 1s ease-out;
}

.service-card {
    animation: fadeInUp 0.8s ease-out;
}

.feature-card {
    animation: fadeInUp 0.8s ease-out;
}

/* Smooth scrolling for anchor links */
html {
    scroll-behavior: smooth;
}

/* Loading animation for form submission */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #2563eb;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Image loading fallback */
img {
    display: block;
    visibility: visible;
    opacity: 1;
    transition: opacity 0.3s ease;
}

img[src*=".jpg"], img[src*=".jpeg"], img[src*=".png"], img[src*=".gif"] {
    max-width: 100%;
    height: auto;
}

/* Ensure specific image classes are visible */
.logo-img, .profile-img, .about-img, .footer-logo-img {
    opacity: 1 !important;
    visibility: visible !important;
    display: block !important;
}

.dark-mode-toggle {
    background: none;
    border: none;
    color: #333;
    font-size: 1.7rem;
    cursor: pointer;
    margin-left: 1.5rem;
    transition: color 0.3s;
    z-index: 1100;
}
body.dark-mode .dark-mode-toggle {
    color: #fbbf24;
}
.dark-mode-toggle:focus {
    outline: 2px solid #fbbf24;
}