:root {
    --primary-color: #4a90e2; /* Mavi */
    --secondary-color: #ff5a5f; /* Kırmızı */
    --accent-color: #a8e063; /* Açık yeşil */
    --light-bg: #f8fff8; /* Çok açık yeşil-beyaz */
    --dark-text: #222b45; /* Lacivertimsi koyu gri */
    --soft-gray: #f5f6fa;
    --card-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    --hover-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Poppins', 'Segoe UI', sans-serif;
    color: var(--dark-text);
    background-color: var(--light-bg);
    line-height: 1.6;
}

/* Navbar */
.navbar {
    background: var(--primary-color) !important;
    box-shadow: var(--card-shadow);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.5rem;
    color: white !important;
}

/* Hero Section */
.hero-section {
    background: 
        linear-gradient(180deg, rgba(255,255,255,0.97) 0%, rgba(255,255,255,0.85) 60%, rgba(255,255,255,0.97) 100%),
                url('../images/background.jpg') center/cover;
    color: var(--dark-text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/pattern.png');
    opacity: 0.05;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

/* Stats Section */
.stats-section {
    background-color: var(--light-bg);
    padding: 4rem 0;
    position: relative;
}

.stat-item {
    padding: 2rem;
    transition: var(--transition);
    background: #fff;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--hover-shadow);
}

.stat-item h2 {
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 2.5rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background: #fff;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--hover-shadow);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Referanslar Section */
.category-section {
    margin-bottom: 5rem;
}

.category-section h2 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.category-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
}

.card {
    border: none;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    background: #fff;
}

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

.card-img-top {
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.card:hover .card-img-top {
    transform: scale(1.02);
}

.card-body {
    padding: 1.5rem;
}

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

/* Contact Form */
.contact-section {
    background-color: var(--light-bg);
    padding: 5rem 0;
}

.form-control {
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--soft-gray);
    transition: var(--transition);
}

.form-control:focus {
    box-shadow: none;
    border-color: var(--primary-color);
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary-color) 60%, var(--secondary-color) 100%);
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(90deg, var(--primary-color) 40%, var(--accent-color) 100%);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--hover-shadow);
}

/* Referans Detay */
.referans-detay .card {
    margin-bottom: 2rem;
}

.referans-detay .card-img-top {
    height: 400px;
}

.referans-detay .feature-list li {
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
}

.referans-detay .feature-list li i {
    position: absolute;
    left: 0;
    top: 0.3rem;
    color: var(--primary-color);
}

/* Footer */
footer {
    background: var(--primary-color);
    color: #fff;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-item {
        margin-bottom: 2rem;
    }
    
    .card-img-top {
        height: 200px;
    }
    
    .referans-detay .card-img-top {
        height: 300px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.category-section {
    animation: fadeIn 0.5s ease-out;
}

/* Neden Karmin? bölümü için */
.why-us-section, .bg-white {
    background: #fff;
}

.why-us-section ul li i, .list-unstyled .fa-check-circle {
    color: var(--accent-color) !important;
    font-size: 1.3em;
}

/* Başarılarımız kartları */
.card-title.text-primary {
    color: var(--secondary-color) !important;
}

.card-img-top {
    background: #f8fff8;
    border-radius: 5%;
    padding: 10px;
}

section[style*="background: linear-gradient"] {
    border-top: 2px solid var(--primary-color);
    border-bottom: 2px solid var(--accent-color);
}

/* Carousel/Slider Stilleri */
.carousel {
    background: var(--soft-gray);
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 30px;
}

.carousel-item img {
    max-height: 500px;
    object-fit: cover;
    border-radius: 10px;
}

.carousel-control-prev,
.carousel-control-next {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.8;
}

.carousel-control-prev {
    left: 20px;
}

.carousel-control-next {
    right: 20px;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
    opacity: 1;
    background: var(--secondary-color);
}

.carousel-indicators {
    bottom: -40px;
}

.carousel-indicators button {
    width: 10px !important;
    height: 10px !important;
    border-radius: 50%;
    background-color: var(--primary-color) !important;
    opacity: 0.5;
}

.carousel-indicators button.active {
    opacity: 1;
}

.carousel .card {
    margin: 20px auto;
    box-shadow: var(--card-shadow);
    border: none;
    background: white;
}

.carousel .card-body {
    padding: 20px;
}

.carousel .card-title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 10px;
}

.carousel .card-text {
    font-size: 0.9rem;
}

.card-img-wrapper {
    position: relative;
    overflow: hidden;
}

.card-img-overlay {
    opacity: 0;
    background: rgba(0,0,0,0.5);
    transition: all 0.3s ease;
}

.card-img-wrapper:hover .card-img-overlay {
    opacity: 1;
}