/* Βασικά στυλ */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    overflow-x: hidden;
}

/* Hero Section */
.hero-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

/* Sections */
section {
    padding: 80px 0;
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    .hero-section {
        padding: 60px 0;
    }
}

/* Section Titles */
.section-title {
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 25px;
    font-weight: 700;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.section-subtitle {
    color: var(--secondary-color);
    font-size: 1.1rem;
}

/* Cards */
.card {
    transition: var(--transition);
    border-radius: 10px;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1) !important;
}

/* Service Icons */
.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(13, 110, 253, 0.1);
    border-radius: 50%;
}

/* Navigation */
.navbar {
    padding: 15px 0;
}

.nav-link {
    font-weight: 500;
    margin: 0 5px;
    transition: var(--transition);
    border-radius: 5px;
}

.nav-link:hover {
    background-color: rgba(13, 110, 253, 0.1);
}

.nav-link.active {
    color: var(--primary-color) !important;
    font-weight: 600;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
    padding: 10px 25px;
}

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

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
    transform: translateY(-2px);
}

.btn-outline-primary:hover {
    transform: translateY(-2px);
}

/* Form */
.form-control {
    padding: 12px 15px;
    border-radius: 8px;
    border: 1px solid #dee2e6;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* Footer */
footer {
    background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
}

footer a:hover {
    color: var(--primary-color) !important;
}

/* Responsive Adjustments */
@media (max-width: 1366px) {
    .container {
        max-width: 1200px;
    }
}

@media (max-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 960px;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 720px;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .btn-lg {
        padding: 10px 20px;
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .container {
        max-width: 100%;
        padding: 0 15px;
    }
    
    .hero-section h1 {
        font-size: 1.75rem;
    }
    
    .d-flex.flex-wrap {
        justify-content: center;
    }
}