/* Frontend Ana CSS Dosyası */

:root {
    --primary-orange: #f97316;
    --primary-orange-dark: #ea580c;
    --primary-orange-light: #fb923c;
    --gradient-primary: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
    --gradient-secondary: linear-gradient(135deg, #ea580c 0%, #f97316 100%);
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --dark-gray: #333333;
    --text-gray: #666666;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
}

/* Hero Section */
.hero-section {
    padding: 150px 0;
    min-height: 600px;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.1) 0%, rgba(251, 146, 60, 0.05) 100%);
    background-image: url('https://olimpiyatozelders.com/images/slider/home1/slide3.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-content.text-center {
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: white;
    margin-bottom: 2rem;
    line-height: 1.8;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

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

.hero-image {
    position: relative;
    z-index: 2;
}

.hero-image img {
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

.btn-hero-primary,
.btn-hero-secondary {
    padding: 0.75rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-hero-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
}

.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
    color: white;
}

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

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

/* Section */
.section {
    padding: 80px 0;
}

.section.bg-light {
    padding: 100px 0;
}


.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-orange);
    margin-bottom: 1rem;
}

.section-title p {
    font-size: 1.125rem;
    color: var(--text-gray);
}

/* Feature Cards */
.feature-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 5px 30px rgba(0,0,0,0.08);
    transition: box-shadow 0.3s ease;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(4px);
    opacity: 0.6;
    z-index: 0;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.65);
    z-index: 0;
}

.feature-card > * {
    position: relative;
    z-index: 1;
}

.flip-card-wrapper:hover .feature-card {
    box-shadow: 0 10px 40px rgba(0,0,0,0.12);
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.feature-card h4,
.feature-card h5 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-gray);
}

.feature-card h5 {
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

.feature-card-expert .feature-icon {
    background: var(--gradient-primary);
}

.feature-card-expert::before {
    background-image: url('https://images.unsplash.com/photo-1481627834876-b7833e8f5570?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
}

.feature-card-success .feature-icon {
    background: var(--gradient-secondary);
}

.feature-card-success::before {
    background-image: url('https://images.unsplash.com/photo-1503676260728-1c00da094a0b?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
}

.feature-card-modern .feature-icon {
    background: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);
}

.feature-card-modern::before {
    background-image: url('https://images.unsplash.com/photo-1525547719571-a2d4ac8945e2?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
}

/* Flip Cards */
.flip-card-wrapper {
    perspective: 1000px;
    height: 100%;
    min-height: 400px;
}

.flip-card {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

.flip-card-wrapper:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.6s ease;
    will-change: transform;
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    overflow: visible;
}

.flip-card-back {
    transform: rotateY(180deg);
}

/* Buttons */
.btn {
    padding: 0.625rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
    color: white;
}

/* Utilities */
.bg-light {
    background-color: var(--light-gray) !important;
}

.text-center {
    text-align: center;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.mt-4 {
    margin-top: 1.5rem;
}

/* CTA Section */
.cta-section-modern {
    background: var(--gradient-primary);
    color: white;
    border-radius: 20px;
    padding: 60px 40px;
    margin: 80px 0 0 0;
    position: relative;
    overflow: hidden;
}

.cta-section-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.cta-title {
    color: white;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-text {
    color: rgba(255,255,255,0.9);
    font-size: 1.25rem;
    margin-bottom: 0;
}

.cta-btn {
    margin-top: 0.5rem;
    display: block;
    width: 100%;
    max-width: 300px;
}

.cta-section-modern .col-lg-4 .d-flex {
    width: 100%;
    max-width: 300px;
    margin-left: auto;
}

.cta-section-modern .col-lg-4 .cta-btn {
    width: 100%;
    justify-content: center;
}

.cta-section-modern .btn-light {
    background: white;
    color: var(--primary-orange);
    border: none;
}

.cta-section-modern .btn-light:hover {
    background: rgba(255,255,255,0.9);
    color: var(--primary-orange);
}

.cta-section-modern .btn-outline-light {
    background: white;
    color: var(--primary-orange);
    border: 2px solid white;
}

.cta-section-modern .btn-outline-light:hover {
    background: rgba(255,255,255,0.9);
    color: var(--primary-orange);
    border-color: rgba(255,255,255,0.9);
}

/* Hero Image */
.hero-image img {
    transition: transform 0.3s ease;
}

.hero-image:hover img {
    transform: scale(1.05);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        padding: 100px 0;
        min-height: 500px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .cta-section-modern {
        padding: 40px 20px;
        margin: 60px 0;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-text {
        font-size: 1rem;
    }
    
    .cta-section-modern .col-lg-4 {
        align-items: center;
    }
    
    .cta-btn {
        max-width: 100%;
    }
}