:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --dark-navy: #0f172a;
    --grey-light: #f8fafc;
    --grey-medium: #64748b;
    --grey-dark: #334155;
    --white: #ffffff;
    --text-dark: #1e293b;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

html {
    overflow-x: hidden;
    max-width: 100%;
}

body {
    overflow-x: hidden;
    max-width: 100vw;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

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

/* Header Styles */
.main-header {
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--primary-color) 100%);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo a {
    text-decoration: none;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo img {
    height: 60px;
    width: auto;
}

.logo-text {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}

.logo-subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
    margin: 0;
}

.main-nav {
    flex: 1;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
    align-items: center;
    justify-content: center;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.nav-menu a:hover {
    color: var(--secondary-color);
    background-color: rgba(255, 255, 255, 0.1);
}

.header-contact .phone-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    background-color: var(--secondary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    transition: background-color 0.3s;
}

.header-contact .phone-link:hover {
    background-color: #2563eb;
}

/* Telefon alanı %50 küçültülmüş */
.header-contact--small .phone-link {
    font-size: 0.5em;
    padding: 0.375rem 0.75rem;
    gap: 0.25rem;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    transition: all 0.3s;
}

/* Hero Section */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-navy) 100%);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
    overflow: hidden;
}

.hero-section.hero-home {
    min-height: 500px;
    padding: 120px 0;
    text-align: left;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.4) 60%, transparent 100%);
    z-index: 1;
}

.hero-placeholder-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-navy) 100%);
    z-index: 0;
}

.hero-video-bg,
.hero-image-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    z-index: 0;
}

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

.hero-content.hero-content-left {
    margin: 0;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-button {
    display: inline-block;
    background-color: var(--white);
    color: var(--primary-color);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: var(--shadow-lg);
}

.hero-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.hero-btn-randevu {
    background-color: var(--primary-color);
    color: var(--white);
    border: 2px solid var(--white);
}

.hero-btn-randevu:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

.hero-button-outline {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.hero-button-outline:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

.cta-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #0f172a 100%);
}

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

/* Services Section */
.services-section {
    padding: 80px 0;
    background-color: var(--grey-light);
}

.services-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    color: var(--grey-medium);
    font-size: 1.1rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

/* Ana sayfa - 6 daire kart (2 satır x 3) */
.services-grid-circle {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.service-card-circle {
    background: var(--white);
    border-radius: 50%;
    aspect-ratio: 1;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: var(--shadow);
    cursor: pointer;
    text-decoration: none;
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--primary-color);
}

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

.service-icon-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 2.2rem;
    color: var(--primary-color);
}

.service-icon-circle img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.service-card-circle h3 {
    font-size: 1rem;
    color: var(--primary-color);
    margin: 0;
    font-weight: 600;
}

.service-card {
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: var(--shadow);
    cursor: pointer;
    text-decoration: none;
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

.service-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2.5rem;
    color: var(--white);
}

.service-icon img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--grey-dark);
    line-height: 1.8;
}

/* Team Section */
.team-section {
    padding: 80px 0;
    background-color: var(--white);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
}

.team-card {
    background: var(--grey-light);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.team-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 1.5rem;
    background: var(--border-color);
}

.team-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-photo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--grey-medium);
}

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

.team-card p {
    color: var(--grey-dark);
    font-size: 0.95rem;
    line-height: 1.7;
}

.team-social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    margin-top: 0.75rem;
    transition: background 0.3s;
}

.team-social:hover {
    background: var(--secondary-color);
    color: var(--white);
}

.team-card-clickable {
    cursor: pointer;
}

.team-card .team-title {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0;
}

/* Team Modal */
.team-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.team-modal.active {
    display: flex;
}

.team-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
}

.team-modal-content {
    position: relative;
    background: white;
    border-radius: 16px;
    padding: 2rem;
    max-width: 450px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.team-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--grey-medium);
}

.team-modal-close:hover {
    color: var(--primary-color);
}

/* About Section */
.about-section {
    padding: 80px 0;
    background-color: var(--white);
}

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

.about-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

.about-text h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--grey-dark);
    line-height: 1.8;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* Footer */
.main-footer {
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--primary-color) 100%);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

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

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

.footer-col a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-col i {
    margin-right: 0.5rem;
    width: 20px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 2rem;
    text-align: center;
    opacity: 0.8;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

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

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

.submit-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    width: 100%;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Blog Section */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.blog-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    color: var(--text-dark);
}

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

.blog-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.blog-content {
    padding: 1.5rem;
}

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

.blog-meta {
    color: var(--grey-medium);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .services-grid-circle {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .service-card-circle {
        padding: 1.5rem;
    }
    
    .service-card-circle h3 {
        font-size: 0.9rem;
    }
    
    .service-icon-circle {
        width: 60px;
        height: 60px;
        font-size: 1.6rem;
    }
    
    .service-icon-circle img {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    .header-content {
        flex-wrap: wrap;
    }
    
    .main-nav {
        order: 3;
        width: 100%;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        padding: 1rem 0;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    /* Hero - mobilde tam görünüm */
    .hero-section {
        padding: 60px 0 50px;
        min-height: auto;
    }
    
    .hero-section.hero-home {
        min-height: auto;
        padding: 60px 0 50px;
    }
    
    .hero-content {
        margin: 0 auto;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        margin-bottom: 1rem;
        line-height: 1.2;
    }
    
    .hero-content.hero-content-left {
        text-align: center;
        margin: 0 auto;
    }
    
    .hero-content p {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-button {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Services - mobilde tam görünüm */
    .services-section {
        padding: 50px 0;
    }
    
    .services-grid-circle {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        margin-top: 2rem;
        max-width: 100%;
    }
    
    .service-card-circle {
        padding: 1rem;
        min-height: 100px;
    }
    
    .service-card-circle h3 {
        font-size: 0.8rem;
        line-height: 1.2;
    }
    
    .service-icon-circle {
        width: 50px;
        height: 50px;
        margin-bottom: 0.5rem;
        font-size: 1.4rem;
    }
    
    .service-icon-circle img {
        width: 32px;
        height: 32px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .services-intro {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .cta-section {
        padding: 40px 0;
    }
    
    .cta-section .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .hero-button {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-section,
    .hero-section.hero-home {
        padding: 50px 0 40px;
    }
    
    .hero-content h1 {
        font-size: 1.5rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .services-grid-circle {
        gap: 0.75rem;
        margin-top: 1.5rem;
    }
    
    .service-card-circle {
        padding: 0.75rem;
    }
    
    .service-card-circle h3 {
        font-size: 0.75rem;
    }
    
    .service-icon-circle {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }
    
    .service-icon-circle img {
        width: 28px;
        height: 28px;
    }
}