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

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #d32f2f;
    --accent-color: #0066cc;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --text-color: #333;
    --light-bg: #f5f5f5;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-color);
    background-color: #fafafa;
    line-height: 1.6;
}

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

/* Header & Navigation */
.header {
    background: var(--white);
    border-bottom: 1px solid #e0e0e0;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

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

.logo-section {
    flex: 1;
}

.logo h1 {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.logo p {
    font-size: 13px;
    color: #666;
    margin: 0;
    letter-spacing: 0.5px;
}

.logo .subtitle {
    font-size: 12px;
    color: #999;
    font-weight: 500;
}

.nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: color 0.3s;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--secondary-color);
}

.nav-link.admin-link {
    background: var(--primary-color);
    color: white;
    padding: 8px 16px;
    border-radius: 3px;
    font-size: 13px;
}

.nav-link.admin-link:hover {
    background: var(--secondary-color);
    color: white;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
    color: white;
    padding: 160px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 550px;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(211, 47, 47, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(0, 102, 204, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(20, 30, 48, 0.7);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: slideUp 0.8s ease;
}

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

.hero-content h2 {
    font-size: 64px;
    font-weight: 900;
    margin-bottom: 15px;
    letter-spacing: 1px;
    line-height: 1.1;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content h3 {
    font-size: 48px;
    font-weight: 300;
    margin-bottom: 40px;
    letter-spacing: 1px;
    opacity: 0.95;
    background: linear-gradient(120deg, #d32f2f, #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    font-weight: 300;
    margin-bottom: 60px;
    opacity: 0.9;
    letter-spacing: 0.5px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
    display: flex;
    gap: 25px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 2px solid white;
    width: auto;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    border-color: white;
}

/* Features Section */
.features-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
}

.features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
}

.features-section h2 {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 70px;
    letter-spacing: -0.5px;
    position: relative;
}

.features-section h2::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 35px;
}

.feature-card {
    background: var(--white);
    padding: 50px 35px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--secondary-color);
}

.feature-icon {
    font-size: 56px;
    margin-bottom: 25px;
    display: block;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.15) rotate(5deg);
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 15px;
    letter-spacing: -0.3px;
}

.feature-card p {
    color: #666;
    font-size: 15px;
    line-height: 1.7;
}

/* Tech Section */
.tech-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
}

.tech-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #ddd, transparent);
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
}

.tech-section h2 {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 35px;
    letter-spacing: -0.5px;
    position: relative;
}

.tech-section h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: 2px;
}

.tech-text p {
    font-size: 16px;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.9;
}

.tech-list {
    list-style: none;
    margin: 40px 0;
}

.tech-list li {
    padding: 16px 0 16px 40px;
    color: #333;
    font-size: 16px;
    font-weight: 600;
    border-bottom: 1px solid #f0f0f0;
    position: relative;
    transition: all 0.3s ease;
}

.tech-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 900;
    font-size: 18px;
}

.tech-list li:hover {
    padding-left: 45px;
    color: var(--secondary-color);
}

.tech-list li:last-child {
    border-bottom: none;
}

.btn-inline {
    width: auto;
    margin-top: 30px;
    padding: 16px 60px;
}

.tech-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.animated-gif {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* ===== İSTATİSTİKLER BÖLÜMÜ ===== */

.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d2d2d 100%);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item {
    animation: slideUp 0.8s ease-out;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--secondary-color);
}

.stat-label {
    font-size: 16px;
    letter-spacing: 0.5px;
    opacity: 0.95;
}

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

/* ===== GALERİ BÖLÜMÜ ===== */

.gallery-section {
    padding: 80px 0;
    background: white;
}

.gallery-section h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 15px;
    letter-spacing: 0.5px;
}

.section-subtitle {
    text-align: center;
    font-size: 16px;
    color: #666;
    margin-bottom: 50px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    height: 250px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    background-size: cover;
    background-position: center;
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(211, 47, 47, 0.8), rgba(26, 26, 26, 0.8));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 25px;
    color: white;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.gallery-overlay h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 8px 0;
}

.gallery-overlay p {
    font-size: 13px;
    opacity: 0.9;
    margin: 0;
}

/* ===== AVANTAJLAR BÖLÜMÜ ===== */

.advantages-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f5f5f5 0%, #fafafa 100%);
}

.advantages-section h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: 0.5px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.advantage-item {
    background: white;
    padding: 35px 25px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-top: 3px solid var(--secondary-color);
}

.advantage-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.advantage-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 0 12px 0;
}

.advantage-item p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

/* ===== MÜŞTERİ YORUMLARI BÖLÜMÜ ===== */

.testimonials-section {
    padding: 80px 0;
    background: white;
}

.testimonials-section h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: 0.5px;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 1px solid #e0e0e0;
    border-left: 4px solid var(--secondary-color);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
    transform: translateY(-4px);
}

.rating {
    font-size: 20px;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.testimonial-card p {
    color: #666;
    font-size: 15px;
    line-height: 1.6;
    font-style: italic;
    margin: 12px 0;
}

.testimonial-author {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #f0f0f0;
}

.testimonial-author strong {
    color: var(--primary-color);
    display: block;
    font-weight: 700;
    font-size: 14px;
}

.testimonial-author small {
    color: #999;
    font-size: 12px;
}

/* ===== KATEGORİLER BÖLÜMÜ ===== */

.categories-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f5f5f5 0%, #fafafa 100%);
}

.categories-section h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: 0.5px;
}

.categories-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.category-showcase-item {
    background: white;
    padding: 30px 25px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    border: 1px solid #e0e0e0;
}

.category-showcase-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
    border-color: var(--secondary-color);
}

.category-icon {
    font-size: 52px;
    margin-bottom: 15px;
}

.category-showcase-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 0 10px 0;
}

.category-showcase-item p {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
    margin: 10px 0 15px 0;
}

.category-badge {
    display: inline-block;
    background: var(--secondary-color);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== RESPONSIVE ===== */

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stat-number {
        font-size: 32px;
    }

    .stat-label {
        font-size: 13px;
    }

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

    .gallery-item {
        height: 200px;
    }

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

    .categories-showcase {
        grid-template-columns: 1fr;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .tech-content {
        grid-template-columns: 1fr;
    }
    
    .hero-content h2 {
        font-size: 38px;
    }
    
    .hero-content h3 {
        font-size: 28px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-secondary {
        width: 100%;
    }
}
.paletler-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
}

.paletler-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #ddd, transparent);
}

.paletler-section h2 {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: -0.5px;
    position: relative;
}

.paletler-section h2::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: 2px;
}

.filters {
    display: flex;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-input {
    padding: 14px 18px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    flex: 1;
    min-width: 200px;
    max-width: 350px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--white);
    font-weight: 500;
}

.filter-input:hover {
    border-color: #bbb;
}

.filter-input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
}

.paletler-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
    margin-top: 40px;
}

.palet-card {
    background: var(--white);
    border: none;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    position: relative;
}

.palet-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
}

.palet-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.15);
}

.palet-card:hover .palet-image {
    filter: brightness(1.1);
}

.palet-image {
    width: 100%;
    height: 240px;
    background: linear-gradient(135deg, #1a472a, #2d5a3d);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    position: relative;
    transition: filter 0.3s ease;
}

.palet-content {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.palet-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 12px;
    gap: 10px;
}

.palet-name {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1.3;
    margin-bottom: 12px;
    letter-spacing: 0.3px;
}

.palet-price {
    font-size: 24px;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.palet-description {
    font-size: 14px;
    color: #555;
    margin-bottom: 18px;
    line-height: 1.8;
    flex: 1;
    text-align: justify;
}

.palet-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 16px;
    padding: 12px 0;
    border-top: 1px solid #f0f0f0;
    border-bottom: 1px solid #f0f0f0;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-label {
    color: #999;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.detail-value {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 14px;
}

.palet-contact {
    background: #f8f8f8;
    padding: 12px;
    border-radius: 3px;
    font-size: 13px;
    border-left: 3px solid var(--secondary-color);
}

.palet-contact strong {
    display: block;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 5px;
}

.palet-contact a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.palet-contact a:hover {
    color: var(--accent-color);
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #ddd, transparent);
}

.contact-section h2 {
    text-align: center;
    font-size: 42px;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    position: relative;
}

.contact-section h2::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: 2px;
}

.contact-section > .container > p {
    text-align: center;
    font-size: 16px;
    color: #666;
    margin-bottom: 60px;
    margin-top: 40px;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 35px;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.3px;
}

.info-item {
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.info-item:last-child {
    border-bottom: none;
}

.info-item .label {
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 8px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-item span:last-child {
    color: #333;
    font-size: 16px;
    font-weight: 500;
}

.contact-form {
    background: var(--white);
    padding: 45px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid #e8e8e8;
}

.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 700;
    color: var(--primary-color);
    font-size: 15px;
    letter-spacing: 0.2px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: #fafafa;
}

.form-group input:hover,
.form-group textarea:hover {
    border-color: #bbb;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 4px rgba(211, 47, 47, 0.15);
    background: white;
}

.form-group textarea {
    resize: vertical;
}

/* Buttons */
.btn {
    padding: 16px 42px;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-decoration: none;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-color), #c41c1c);
    color: white;
    width: 100%;
    box-shadow: 0 4px 15px rgba(211, 47, 47, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(211, 47, 47, 0.6);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--primary-color), #2a2a2a);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--primary-color), #1a1a1a);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.btn-secondary.btn-outline {
    background: transparent;
    border: 2px solid white;
    color: white;
    box-shadow: none;
}

.btn-secondary.btn-outline:hover {
    background: white;
    color: var(--primary-color);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #1e8449);
    color: white;
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.4);
}

.btn-success:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(39, 174, 96, 0.6);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color), #d68910);
    color: white;
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.4);
}

.btn-warning:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(243, 156, 18, 0.6);
}

/* Notification */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    animation: slideIn 0.3s ease-out;
    font-size: 14px;
    font-weight: 600;
}

.notification.success {
    background: var(--success-color);
    color: white;
}

.notification.error {
    background: var(--secondary-color);
    color: white;
}

.notification.info {
    background: var(--accent-color);
    color: white;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-color), #0f0f0f);
    color: white;
    text-align: center;
    padding: 40px 0;
    font-size: 14px;
    border-top: 1px solid rgba(211, 47, 47, 0.2);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(211, 47, 47, 0.5), transparent);
}

.footer p {
    margin: 0;
    opacity: 0.9;
    letter-spacing: 0.3px;
}

/* Loading */
.loading {
    text-align: center;
    padding: 60px 20px;
    color: #999;
    font-size: 16px;
    grid-column: 1 / -1;
}

/* Palet Bilgileri Sayfası */
.palet-bilgileri-section {
    padding: 80px 0;
    background: var(--white);
}

.palet-bilgileri-section h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 50px;
    letter-spacing: 0.5px;
}

.palet-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.palet-info-card {
    background: var(--white);
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.palet-info-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--secondary-color);
}

.card-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: #f5f5f5;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.palet-info-card:hover .card-image img {
    transform: scale(1.05);
}

.palet-info-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
    padding: 20px 20px 10px;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.palet-info-card > p {
    padding: 10px 20px;
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

.specs,
.features {
    padding: 15px 20px;
    border-top: 1px solid #f0f0f0;
}

.specs h4,
.features h4 {
    font-size: 13px;
    color: var(--secondary-color);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.specs ul,
.features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.specs li,
.features li {
    font-size: 13px;
    color: #666;
    padding: 5px 0;
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.specs li::before,
.features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Karşılaştırma Tablosu Bölümü */
.comparison-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f5f5f5 0%, #fafafa 100%);
}

.comparison-section h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 50px;
    letter-spacing: 0.5px;
}

.table-responsive {
    overflow-x: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.comparison-table thead {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2d2d2d 100%);
    color: white;
}

.comparison-table th {
    padding: 20px 15px;
    text-align: left;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.comparison-table td {
    padding: 18px 15px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 14px;
    color: #666;
}

.comparison-table tbody tr:hover {
    background: #f8f8f8;
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table strong {
    color: var(--primary-color);
    font-weight: 700;
}

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

    .comparison-section h2,
    .palet-bilgileri-section h2 {
        font-size: 28px;
    }

    .comparison-table {
        font-size: 12px;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 12px 10px;
    }
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }

    .header .container {
        flex-direction: column;
        gap: 15px;
    }

    .logo h1 {
        font-size: 20px;
    }

    .logo p {
        font-size: 11px;
    }

    .nav {
        width: 100%;
        gap: 8px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-link {
        font-size: 12px;
        padding: 8px 12px;
    }

    .nav-link.admin-link {
        padding: 6px 12px;
        font-size: 12px;
    }

    /* Hero Section Mobile */
    .hero {
        padding: 100px 20px;
        min-height: 400px;
    }

    .hero-content h2 {
        font-size: 38px;
        letter-spacing: 0.5px;
        margin-bottom: 10px;
    }

    .hero-content h3 {
        font-size: 24px;
        margin-bottom: 25px;
        letter-spacing: 0px;
    }

    .hero-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .hero-buttons {
        gap: 12px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 13px;
        letter-spacing: 0.5px;
    }

    .btn-primary {
        width: 100%;
    }

    .btn-secondary {
        width: 100%;
    }

    /* Features Section Mobile */
    .features-section {
        padding: 60px 0;
    }

    .features-section h2 {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .features-section h2::after {
        bottom: -15px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .feature-card {
        padding: 30px 20px;
    }

    .feature-icon {
        font-size: 40px;
        margin-bottom: 15px;
    }

    .feature-card h3 {
        font-size: 18px;
    }

    .feature-card p {
        font-size: 14px;
    }

    /* Tech Section Mobile */
    .tech-section {
        padding: 60px 0;
    }

    .tech-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .tech-section h2 {
        font-size: 28px;
        margin-bottom: 25px;
    }

    .tech-section h2::after {
        bottom: -15px;
    }

    .tech-text p {
        font-size: 15px;
        margin-bottom: 25px;
    }

    .tech-list {
        margin: 20px 0;
    }

    .tech-list li {
        padding: 12px 0 12px 30px;
        font-size: 14px;
    }

    .tech-list li::before {
        font-size: 16px;
    }

    .tech-image {
        max-height: 300px;
    }

    .tech-image img {
        max-height: 300px;
    }

    .btn-inline {
        width: 100%;
        padding: 12px 24px;
        margin-top: 20px;
    }

    /* Paletler Section Mobile */
    .paletler-section {
        padding: 60px 0;
    }

    .paletler-section h2 {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .paletler-section h2::after {
        bottom: -15px;
    }

    .filters {
        gap: 10px;
        margin-bottom: 30px;
    }

    .filter-input {
        padding: 12px 14px;
        font-size: 13px;
        min-width: 100%;
        max-width: 100%;
        flex: 1 1 100%;
    }

    .paletler-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 30px;
    }

    .palet-card {
        border-radius: 10px;
    }

    .palet-card:hover {
        transform: translateY(-4px);
    }

    .palet-image {
        height: 200px;
    }

    .palet-content {
        padding: 20px;
    }

    .palet-name {
        font-size: 16px;
        margin-bottom: 8px;
    }

    .palet-price {
        font-size: 20px;
        margin-bottom: 10px;
    }

    .palet-description {
        font-size: 13px;
        margin-bottom: 12px;
        text-align: left;
        line-height: 1.6;
    }

    .palet-details {
        grid-template-columns: 1fr;
        gap: 10px;
        margin-bottom: 12px;
        padding: 10px 0;
    }

    .detail-item {
        gap: 2px;
    }

    .detail-label {
        font-size: 10px;
    }

    .detail-value {
        font-size: 13px;
    }

    .palet-contact {
        padding: 10px;
        font-size: 12px;
    }

    .palet-contact strong {
        font-size: 13px;
    }

    /* Contact Section Mobile */
    .contact-section {
        padding: 60px 0;
    }

    .contact-section h2 {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .contact-section h2::after {
        bottom: -15px;
    }

    .contact-section > .container > p {
        margin-bottom: 40px;
        margin-top: 30px;
        font-size: 15px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-info h3 {
        font-size: 20px;
        margin-bottom: 25px;
    }

    .info-item {
        margin-bottom: 25px;
        padding-bottom: 15px;
    }

    .info-item .label {
        font-size: 13px;
        margin-bottom: 6px;
    }

    .info-item span:last-child {
        font-size: 15px;
    }

    .contact-form {
        padding: 30px 20px;
        border-radius: 10px;
    }

    .form-group {
        margin-bottom: 20px;
    }

    .form-group label {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .form-group input,
    .form-group textarea {
        padding: 12px 14px;
        font-size: 14px;
        border-radius: 6px;
    }

    /* Footer Mobile */
    .footer {
        padding: 30px 20px;
        font-size: 13px;
    }

    /* Palet Info Sayfası */
    .palet-info-grid {
        grid-template-columns: 1fr;
    }

    .comparison-section h2,
    .palet-bilgileri-section h2 {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .comparison-table {
        font-size: 12px;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 10px 8px;
    }

    .paletler-section h2,
    .contact-section h2 {
        font-size: 28px;
    }

    .contact-form {
        padding: 20px;
    }
}

/* Extra Small Devices - 480px ve altında */
@media (max-width: 480px) {
    :root {
        font-size: 13px;
    }

    .container {
        padding: 0 15px;
    }

    .logo h1 {
        font-size: 18px;
        letter-spacing: 0px;
    }

    .logo p {
        font-size: 10px;
    }

    .hero {
        padding: 80px 15px;
        min-height: 350px;
    }

    .hero-content h2 {
        font-size: 28px;
        margin-bottom: 8px;
    }

    .hero-content h3 {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .hero-subtitle {
        font-size: 14px;
        margin-bottom: 30px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 10px;
    }

    .btn {
        padding: 11px 20px;
        font-size: 12px;
        letter-spacing: 0.3px;
        width: 100%;
    }

    .features-section {
        padding: 40px 0;
    }

    .features-section h2 {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .features-grid {
        gap: 15px;
    }

    .feature-card {
        padding: 25px 15px;
    }

    .feature-icon {
        font-size: 36px;
        margin-bottom: 12px;
    }

    .feature-card h3 {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .feature-card p {
        font-size: 13px;
        line-height: 1.5;
    }

    .tech-section {
        padding: 40px 0;
    }

    .tech-content {
        gap: 30px;
    }

    .tech-section h2 {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .tech-text p {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .tech-list li {
        padding: 10px 0 10px 25px;
        font-size: 13px;
    }

    .paletler-section {
        padding: 40px 0;
    }

    .paletler-section h2 {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .filters {
        flex-direction: column;
        gap: 10px;
        margin-bottom: 20px;
    }

    .filter-input {
        width: 100%;
        padding: 11px 12px;
    }

    .paletler-grid {
        gap: 15px;
        margin-top: 20px;
    }

    .palet-card {
        border-radius: 8px;
    }

    .palet-image {
        height: 180px;
    }

    .palet-content {
        padding: 16px;
    }

    .palet-name {
        font-size: 15px;
        margin-bottom: 6px;
        line-height: 1.2;
    }

    .palet-price {
        font-size: 18px;
        margin-bottom: 8px;
    }

    .palet-description {
        font-size: 12px;
        margin-bottom: 10px;
        line-height: 1.5;
    }

    .palet-details {
        gap: 8px;
        margin-bottom: 10px;
        padding: 8px 0;
    }

    .detail-label {
        font-size: 9px;
    }

    .detail-value {
        font-size: 12px;
    }

    .palet-contact {
        padding: 8px;
        font-size: 11px;
    }

    .palet-contact strong {
        font-size: 12px;
        margin-bottom: 4px;
    }

    .contact-section {
        padding: 40px 0;
    }

    .contact-section h2 {
        font-size: 24px;
        margin-bottom: 15px;
    }

    .contact-section > .container > p {
        margin-bottom: 30px;
        margin-top: 20px;
        font-size: 14px;
    }

    .contact-info h3 {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .info-item {
        margin-bottom: 20px;
        padding-bottom: 12px;
    }

    .info-item .label {
        font-size: 12px;
    }

    .info-item span:last-child {
        font-size: 14px;
    }

    .contact-form {
        padding: 20px 15px;
        border-radius: 8px;
    }

    .form-group {
        margin-bottom: 16px;
    }

    .form-group label {
        font-size: 13px;
        margin-bottom: 6px;
    }

    .form-group input,
    .form-group textarea {
        padding: 10px 12px;
        font-size: 13px;
    }

    .modal-content {
        padding: 20px;
        width: 95%;
    }

    .modal-content h2 {
        font-size: 20px;
    }
}

/* ===== ADMIN PANEL STYLES ===== */

/* Login Container */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 4px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
    border: 1px solid #e0e0e0;
}

.login-box h2 {
    color: var(--primary-color);
    margin-bottom: 10px;
    text-align: center;
    font-size: 28px;
    font-weight: 700;
}

.login-box p {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
    font-size: 14px;
}

.login-box .hint {
    font-size: 12px;
    color: #999;
    margin-top: 15px;
    text-align: center;
}

/* Admin Header */
.admin-header {
    background: var(--primary-color);
}

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

.admin-header h1 {
    margin: 0;
    color: white;
    font-size: 24px;
}

/* Admin Dashboard */
.admin-dashboard {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.admin-container {
    display: flex;
    flex: 1;
}

.sidebar {
    width: 250px;
    background: var(--primary-color);
    padding: 20px 0;
    box-shadow: 1px 0 3px rgba(0, 0, 0, 0.1);
}

.admin-nav {
    display: flex;
    flex-direction: column;
}

.nav-item {
    color: white;
    padding: 15px 20px;
    text-decoration: none;
    display: block;
    transition: background 0.3s;
    border-left: 3px solid transparent;
    font-size: 14px;
    font-weight: 600;
}

.nav-item:hover,
.nav-item.active {
    background: var(--secondary-color);
    border-left-color: white;
}

/* Admin Content */
.admin-content {
    flex: 1;
    padding: 40px;
    background: #fafafa;
    overflow-y: auto;
}

.admin-section {
    display: none;
}

.admin-section.active {
    display: block;
}

.admin-section h2 {
    color: var(--primary-color);
    margin-bottom: 30px;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 15px;
    font-size: 28px;
    font-weight: 700;
}

/* Message Stats */
.message-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-box {
    background: white;
    padding: 25px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    text-align: center;
    border: 1px solid #e0e0e0;
}

.stat-box h4 {
    color: #999;
    font-size: 12px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
}

.stat-box p {
    font-size: 36px;
    font-weight: 800;
    color: var(--secondary-color);
}

/* Messages List */
.messages-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.message-item {
    background: white;
    padding: 20px;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--secondary-color);
    cursor: pointer;
    transition: all 0.3s;
    border: 1px solid #e0e0e0;
}

.message-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    transform: translateX(3px);
}

.message-item.new {
    border-left-color: var(--warning-color);
    background: #fffbf0;
}

.message-item.read {
    border-left-color: var(--accent-color);
}

.message-item.replied {
    border-left-color: var(--success-color);
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 10px;
}

.message-name {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 16px;
}

.message-status {
    padding: 4px 12px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.message-status.new {
    background: #fff3cd;
    color: #856404;
}

.message-status.read {
    background: #d1ecf1;
    color: #0c5460;
}

.message-status.replied {
    background: #d4edda;
    color: #155724;
}

.message-email {
    font-size: 13px;
    color: #666;
    margin-bottom: 6px;
}

.message-preview {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
    line-height: 1.5;
}

.message-time {
    font-size: 12px;
    color: #999;
}

.message-actions {
    margin-top: 12px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.message-actions button {
    padding: 6px 12px;
    font-size: 12px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
}

.message-actions .btn-mark {
    background: var(--accent-color);
    color: white;
}

.message-actions .btn-mark:hover {
    background: #0052a3;
}

.message-actions .btn-delete {
    background: var(--secondary-color);
    color: white;
}

.message-actions .btn-delete:hover {
    background: #b71c1c;
}

/* Modal */
.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: 4px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    border: 1px solid #e0e0e0;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}

.close:hover,
.close:focus {
    color: var(--primary-color);
}

.modal-content h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--secondary-color);
    font-size: 24px;
    font-weight: 700;
}

.message-detail {
    margin-bottom: 15px;
}

.message-detail label {
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.message-detail p {
    color: #666;
    background: #f8f8f8;
    padding: 12px;
    border-radius: 3px;
    white-space: pre-wrap;
    word-wrap: break-word;
    border-left: 3px solid var(--secondary-color);
}

.settings-card {
    background: white;
    padding: 25px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin-bottom: 20px;
    border: 1px solid #e0e0e0;
}

.settings-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 700;
}

.settings-card p {
    color: #666;
    margin-bottom: 15px;
    font-size: 14px;
}

@media (max-width: 768px) {
    .admin-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        display: flex;
        flex-direction: row;
        padding: 0;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    }

    .admin-nav {
        flex-direction: row;
        width: 100%;
        overflow-x: auto;
    }

    .nav-item {
        flex: 0 0 auto;
        text-align: center;
        padding: 12px 15px;
        border-left: none;
        border-bottom: 3px solid transparent;
        font-size: 12px;
        white-space: nowrap;
        min-width: 100px;
    }

    .nav-item:hover {
        background: rgba(211, 47, 47, 0.1);
    }

    .nav-item.active {
        border-bottom-color: white;
        border-left-color: transparent;
        background: var(--secondary-color);
    }

    .admin-content {
        padding: 20px;
    }

    .admin-section h2 {
        font-size: 22px;
        margin-bottom: 20px;
    }

    .message-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .stat-box {
        padding: 20px;
    }

    .stat-box h4 {
        font-size: 11px;
    }

    .stat-box p {
        font-size: 28px;
    }

    .modal-content {
        width: 95%;
        padding: 20px;
    }

    .modal-content h2 {
        font-size: 20px;
        margin-bottom: 15px;
    }

    .message-item {
        padding: 15px;
    }

    .message-name {
        font-size: 14px;
    }

    .message-email {
        font-size: 12px;
    }

    .message-preview {
        font-size: 13px;
    }

    .message-time {
        font-size: 11px;
    }

    .message-actions {
        flex-direction: row;
        gap: 6px;
    }

    .message-actions button {
        padding: 5px 10px;
        font-size: 11px;
        flex: 1;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .dashboard-card {
        padding: 20px;
        gap: 15px;
    }

    .card-icon {
        font-size: 32px;
    }

    .card-info p {
        font-size: 24px;
    }

    .login-box {
        width: 95%;
        padding: 30px 20px;
    }

    .login-box h2 {
        font-size: 24px;
    }

    .login-box .form-group input {
        font-size: 16px;
    }
}

/* Extra Small Devices - Admin Panel */
@media (max-width: 480px) {
    .admin-header h1 {
        font-size: 18px;
    }

    .sidebar {
        padding: 0;
    }

    .nav-item {
        padding: 10px 12px;
        font-size: 11px;
        min-width: 85px;
    }

    .admin-content {
        padding: 15px;
    }

    .admin-section h2 {
        font-size: 20px;
        margin-bottom: 15px;
    }

    .message-stats {
        gap: 10px;
    }

    .stat-box {
        padding: 15px;
    }

    .stat-box p {
        font-size: 24px;
    }

    .modal {
        padding: 15px;
        align-items: flex-end;
    }

    .modal-content {
        width: 100%;
        border-radius: 8px 8px 0 0;
        max-height: 80vh;
    }

    .message-item {
        padding: 12px;
        border-radius: 6px;
    }

    .message-name {
        font-size: 13px;
    }

    .message-email {
        font-size: 11px;
    }

    .message-actions button {
        padding: 4px 8px;
        font-size: 10px;
    }

    .dashboard-card {
        padding: 15px;
        gap: 12px;
        flex-direction: column;
        text-align: center;
    }

    .card-icon {
        font-size: 28px;
    }

    .card-info h4 {
        font-size: 11px;
    }

    .card-info p {
        font-size: 20px;
    }

    .login-container {
        padding: 20px;
    }

    .login-box {
        padding: 25px 18px;
    }

    .login-box h2 {
        font-size: 22px;
        margin-bottom: 8px;
    }

    .login-box p {
        margin-bottom: 20px;
        font-size: 13px;
    }

    .form-group {
        margin-bottom: 16px;
    }

    .form-group label {
        font-size: 13px;
    }

    .form-group input {
        padding: 10px 12px;
        font-size: 16px;
    }

    .btn-primary {
        padding: 11px 20px;
        font-size: 13px;
    }

    .btn-success {
        padding: 10px 16px;
        font-size: 12px;
    }

    .login-box .hint {
        font-size: 11px;
    }
}

/* ===== DASHBOARD KARTLARI ===== */

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.dashboard-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #e0e0e0;
    border-left: 4px solid var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s;
}

.dashboard-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.card-icon {
    font-size: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-info h4 {
    color: #666;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
    margin: 0 0 6px 0;
}

.card-info p {
    color: var(--primary-color);
    font-size: 28px;
    font-weight: 800;
    margin: 0;
}

/* ===== RECENT SECTION ===== */

.recent-section {
    background: white;
    padding: 25px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
    border: 1px solid #e0e0e0;
}

.recent-section h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 700;
}

.recent-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.recent-item {
    padding: 12px;
    background: #f8f8f8;
    border-radius: 3px;
    border-left: 3px solid var(--secondary-color);
    font-size: 13px;
}

.recent-item strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 4px;
    font-weight: 700;
}

.recent-item small {
    color: #666;
    display: block;
}

/* ===== PALET YÖNETİMİ ===== */

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.section-header h2 {
    margin: 0;
}

.btn-sm {
    width: auto !important;
    padding: 8px 16px !important;
    font-size: 13px !important;
}

.paletler-filters {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.palet-desc {
    color: #666;
    font-size: 13px;
    margin-bottom: 12px;
    line-height: 1.4;
}

.palet-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 15px;
    padding: 12px 0;
    border-top: 1px solid #f0f0f0;
    border-bottom: 1px solid #f0f0f0;
    font-size: 13px;
    color: #666;
}

.palet-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.palet-actions button {
    flex: 1;
    padding: 8px 12px;
    font-size: 12px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
}

.palet-actions .btn-edit {
    background: var(--accent-color);
    color: white;
}

.palet-actions .btn-edit:hover {
    background: #0052a3;
}

.palet-actions .btn-delete {
    background: var(--secondary-color);
    color: white;
}

.palet-actions .btn-delete:hover {
    background: #b71c1c;
}

/* ===== FORM STİLLERİ ===== */

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

.form-row .form-group {
    margin-bottom: 0;
}

.form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
}

.modal-buttons {
    display: flex;
    gap: 12px;
    margin-top: 30px;
    justify-content: flex-end;
}

.modal-buttons button {
    padding: 10px 24px;
    font-size: 13px;
}

/* ===== KATEGORİLER ===== */

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.categories-list {
    display: contents;
}

.category-item {
    background: white;
    padding: 20px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #e0e0e0;
    border-top: 3px solid var(--secondary-color);
    transition: all 0.3s;
}

.category-item:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.category-item h4 {
    color: var(--primary-color);
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: 700;
}

.category-item p {
    color: #666;
    font-size: 13px;
    margin: 8px 0;
    line-height: 1.4;
}

.category-actions {
    margin-top: 12px;
    display: flex;
    gap: 8px;
}

.category-actions button {
    flex: 1;
    padding: 6px 12px;
    font-size: 12px;
    background: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.3s;
}

.category-actions button:hover {
    background: #b71c1c;
}

/* ===== RAPORLAR ===== */

.reports-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.report-card {
    background: white;
    padding: 25px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #e0e0e0;
    transition: all 0.3s;
}

.report-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.report-card h3 {
    color: var(--primary-color);
    margin: 0 0 15px 0;
    font-size: 16px;
    font-weight: 700;
}

.report-data {
    background: #f8f8f8;
    padding: 15px;
    border-radius: 3px;
    border-left: 3px solid var(--secondary-color);
    font-size: 13px;
    margin-bottom: 15px;
}

.report-data div {
    padding: 6px 0;
    color: #666;
}

.report-data strong {
    color: var(--primary-color);
    font-weight: 700;
}

.report-card .btn {
    width: auto !important;
    padding: 8px 16px !important;
    font-size: 13px !important;
}

/* ===== AYARLAR ===== */

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.settings-card {
    background: white;
    padding: 25px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid #e0e0e0;
    border-top: 3px solid var(--secondary-color);
    transition: all 0.3s;
}

.settings-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.settings-card h3 {
    color: var(--primary-color);
    margin: 0 0 10px 0;
    font-size: 16px;
    font-weight: 700;
}

.settings-card p {
    color: #666;
    font-size: 13px;
    margin: 10px 0;
    line-height: 1.4;
}

.settings-card .btn {
    width: auto !important;
    padding: 10px 20px !important;
    font-size: 13px !important;
    margin-top: 12px;
}

/* Gelişmiş Raporlar */
.advanced-reports {
    margin-top: 30px;
}

.advanced-reports h3 {
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 700;
}

.reports-advanced-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.advanced-report-item {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 25px;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.advanced-report-item:hover {
    box-shadow: 0 4px 16px rgba(211, 47, 47, 0.15);
    transform: translateY(-2px);
    border-color: var(--secondary-color);
}

.advanced-report-item h4 {
    color: var(--primary-color);
    margin: 0 0 10px 0;
    font-size: 16px;
    font-weight: 700;
}

.advanced-report-item p {
    color: #666;
    font-size: 14px;
    margin: 0 0 15px 0;
    line-height: 1.5;
}

.advanced-report-item .btn {
    width: 100%;
}