/**
 * Levent Özer Eğitim Kurumları - Ana Stil Dosyası
 * Renk Paleti: Lacivert (#22243C), Altın Sarısı (#D5B237), Beyaz (#ffffff)
 */

:root {
    --primary-blue: #22243C;
    --secondary-blue: #22243C;
    --light-blue: #2a2d4a;
    --gold: #D5B237;
    --light-gold: #D5B237;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --dark-gray: #333333;
    --text-gray: #666666;
    --border-gray: #e0e0e0;
    --success: #4caf50;
    --error: #f44336;
    --warning: #ff9800;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
}

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

/* Header */
.main-header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
}

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

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.main-nav a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: color 0.3s;
    padding: 5px 0;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-blue);
}

.btn-bursluluk {
    background: linear-gradient(135deg, var(--gold) 0%, var(--light-gold) 100%);
    color: var(--white) !important;
    padding: 10px 25px !important;
    border-radius: 25px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(255, 179, 0, 0.3);
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-bursluluk:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 179, 0, 0.4);
}

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

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

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffb300" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-section p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

/* Slider Section */
.hero-slider {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    display: none;
    position: absolute;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: opacity 0.6s ease-in-out;
}

.slide.active {
    display: block;
    opacity: 1;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(34, 36, 60, 0.7) 0%, rgba(34, 36, 60, 0.5) 100%);
}

.slide-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    text-align: center;
    padding: 120px 20px;
    max-width: 800px;
    margin: 0 auto;
}

.slide-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 0.8s ease;
}

.slide-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease;
}

.slider-prev,
.slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.3);
    color: var(--white);
    border: none;
    padding: 20px 15px;
    font-size: 2rem;
    cursor: pointer;
    z-index: 3;
    transition: background 0.3s;
    border-radius: 5px;
}

.slider-prev:hover,
.slider-next:hover {
    background: rgba(255, 255, 255, 0.5);
}

.slider-prev {
    left: 20px;
}

.slider-next {
    right: 20px;
}

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background 0.3s;
}

.dot.active,
.dot:hover {
    background: var(--gold);
}

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

@media (max-width: 768px) {
    .hero-slider {
        height: 400px;
    }
    
    .slide-content {
        padding: 80px 20px;
    }
    
    .slide-content h1 {
        font-size: 2rem;
    }
    
    .slide-content p {
        font-size: 1.1rem;
    }
    
    .slider-prev,
    .slider-next {
        padding: 15px 10px;
        font-size: 1.5rem;
    }
}

/* Bursluluk Banner */
.bursluluk-banner {
    background: linear-gradient(135deg, var(--gold) 0%, var(--light-gold) 100%);
    color: var(--white);
    padding: 40px 0;
    margin: 40px 0;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(255, 179, 0, 0.3);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.bursluluk-banner::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.05) 10px,
        rgba(255, 255, 255, 0.05) 20px
    );
    top: 0;
    left: 0;
}

.bursluluk-content {
    position: relative;
    z-index: 1;
}

.bursluluk-banner h2 {
    font-size: 2rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.bursluluk-banner .exam-dates {
    font-size: 1.3rem;
    margin: 20px 0;
    font-weight: 600;
}

.bursluluk-banner .exam-sessions {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.exam-session {
    background: rgba(255, 255, 255, 0.2);
    padding: 15px 25px;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.exam-session strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.btn-kayit {
    display: inline-block;
    background: var(--primary-blue);
    color: var(--white);
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    margin-top: 20px;
    box-shadow: 0 6px 20px rgba(26, 35, 126, 0.4);
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-kayit:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(26, 35, 126, 0.5);
}

/* Özel Bursluluk Sınavı Bölümü */
.ozel-bursluluk-section {
    padding: 60px 0;
}

.ozel-bursluluk-card {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--light-blue) 100%);
    color: var(--white);
    padding: 50px 45px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 12px 40px rgba(34, 36, 60, 0.25);
    position: relative;
    overflow: hidden;
}

.ozel-bursluluk-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        -30deg,
        transparent,
        transparent 12px,
        rgba(255, 255, 255, 0.03) 12px,
        rgba(255, 255, 255, 0.03) 24px
    );
    pointer-events: none;
}

.ozel-bursluluk-badge {
    display: inline-block;
    background: var(--gold);
    color: var(--primary-blue);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 8px 18px;
    border-radius: 30px;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.ozel-bursluluk-card .section-title {
    color: var(--white);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.ozel-bursluluk-card .section-title::after {
    background: var(--gold);
}

.ozel-bursluluk-lead {
    font-size: 1.15rem;
    line-height: 1.75;
    max-width: 680px;
    margin: 0 auto 28px;
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

.ozel-bursluluk-lead strong {
    color: var(--gold);
}

.ozel-bursluluk-list {
    list-style: none;
    margin: 0 0 32px;
    padding: 0;
    text-align: left;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.ozel-bursluluk-list li {
    padding: 10px 0 10px 32px;
    position: relative;
    font-size: 1.05rem;
}

.ozel-bursluluk-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--gold);
    font-weight: 700;
    font-size: 1.2rem;
}

.ozel-bursluluk-card .btn-kayit {
    background: var(--gold);
    color: var(--primary-blue);
    box-shadow: 0 6px 20px rgba(213, 178, 55, 0.4);
    position: relative;
    z-index: 1;
}

.ozel-bursluluk-card .btn-kayit:hover {
    background: var(--white);
    color: var(--primary-blue);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

/* Özel Randevu - WhatsApp */
.ozel-randevu-section {
    padding: 60px 0;
}

.ozel-randevu-card {
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
    background: var(--white);
    border: 2px solid var(--border-gray);
    border-radius: 16px;
    padding: 40px 45px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.3s, border-color 0.3s;
}

.ozel-randevu-card:hover {
    border-color: rgba(37, 211, 102, 0.3);
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.12);
}

.ozel-randevu-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 211, 102, 0.12);
    border-radius: 50%;
    color: #25D366;
}

.ozel-randevu-content {
    flex: 1;
    min-width: 280px;
}

.ozel-randevu-title {
    font-size: 1.6rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-weight: 700;
}

.ozel-randevu-text {
    color: var(--text-gray);
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #25D366;
    color: var(--white) !important;
    padding: 14px 28px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 4px 18px rgba(37, 211, 102, 0.4);
    transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
}

.btn-whatsapp:hover {
    background: #20bd5a;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
    color: var(--white) !important;
}

.btn-whatsapp-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.ozel-randevu-num {
    margin-top: 14px;
    font-size: 0.95rem;
    color: var(--text-gray);
    font-weight: 600;
}

/* Sections */
.section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--gold) 0%, var(--light-gold) 100%);
    border-radius: 2px;
}

/* Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.card {
    background: var(--white);
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(34, 36, 60, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    border-left: 3px solid var(--gold);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: 15px;
}

.card h3 {
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

/* Forms */
.form-container {
    max-width: 800px;
    margin: 40px auto;
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark-gray);
    font-weight: 600;
}

.form-group label .required {
    color: var(--error);
    margin-left: 3px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-gray);
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
    font-family: inherit;
}

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

.form-group .error-message {
    color: var(--error);
    font-size: 0.9rem;
    margin-top: 5px;
    display: none;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
    border-color: var(--error);
}

.form-group.has-error .error-message {
    display: block;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.btn-submit {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 15px 40px;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    width: 100%;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 35, 126, 0.4);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 5px;
    margin-bottom: 20px;
    font-weight: 500;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Footer */
.main-footer {
    background: var(--primary-blue);
    color: var(--white);
    padding: 60px 0 20px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 80px;
    width: auto;
    margin-bottom: 20px;
}

.footer-section h3 {
    margin-bottom: 20px;
    color: var(--gold);
    font-size: 1.3rem;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

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

.footer-section a:hover {
    color: var(--gold);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-top: 40px;
}

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

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        padding: 20px;
        gap: 15px;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section p {
        font-size: 1.1rem;
    }
    
    .bursluluk-banner h2 {
        font-size: 1.8rem;
    }
    
    .exam-sessions {
        flex-direction: column;
        gap: 15px;
    }
    
    .ozel-bursluluk-card {
        padding: 32px 24px;
    }
    
    .ozel-bursluluk-lead {
        font-size: 1rem;
    }
    
    .ozel-randevu-card {
        flex-direction: column;
        text-align: center;
        padding: 28px 24px;
    }
    
    .ozel-randevu-content {
        min-width: 0;
    }
    
    .ozel-randevu-title {
        font-size: 1.4rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .form-container {
        padding: 20px;
    }
}

/* Sorgulama Formu */
.sorgulama-section {
    background: var(--light-gray);
    padding: 40px;
    border-radius: 10px;
    margin-bottom: 40px;
    text-align: center;
}

.sorgulama-section h3 {
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.sorgulama-form {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    gap: 10px;
}

.sorgulama-form input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid var(--border-gray);
    border-radius: 5px;
}

.sorgulama-form button {
    background: var(--primary-blue);
    color: var(--white);
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
}

.sorgulama-form button:hover {
    background: var(--secondary-blue);
}

/* Başvuru Detay */
.basvuru-detay {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-top: 30px;
}

.basvuru-detay h3 {
    color: var(--primary-blue);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--gold);
}

.detay-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 15px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-gray);
}

.detay-row:last-child {
    border-bottom: none;
}

.detay-label {
    font-weight: 600;
    color: var(--text-gray);
}

.detay-value {
    color: var(--dark-gray);
}

.btn-download {
    display: inline-block;
    background: var(--gold);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 20px;
    transition: background 0.3s;
}

.btn-download:hover {
    background: var(--light-gold);
}