/* BITRICK.HU - Közös stílusok minden oldalhoz */

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --error-color: #f44336;
    --text-primary: #333;
    --text-secondary: #666;
    --bg-light: #f8f8f8;
    --bg-card: rgba(255, 255, 255, 0.95);
    --shadow-light: 0 2px 5px rgba(0,0,0,0.1);
    --shadow-medium: 0 15px 35px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 25px 50px rgba(0, 0, 0, 0.2);
    --border-radius: 8px;
    --border-radius-large: 20px;
    --transition: all 0.3s ease;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* Közös navigációs sáv */
.nav-bar {
    background: var(--primary-gradient);
    padding: 15px 0;
    box-shadow: var(--shadow-medium);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo:hover {
    color: rgba(255, 255, 255, 0.9);
}

.nav-menu {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
}

.nav-link.nav-login {
    margin-left: 8px;
    border-left: 1px solid rgba(255, 255, 255, 0.4);
    padding-left: 20px;
}

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

.content-wrapper {
    background: var(--bg-light);
    min-height: calc(100vh - 80px);
    padding-top: 90px;
}

/* Kártya komponensek */
.card {
    background: white;
    border-radius: var(--border-radius-large);
    padding: 25px;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    margin-bottom: 20px;
}

.card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.card-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--bg-light);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

/* Gombok */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background: var(--bg-light);
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
}

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

/* Állapot jelölők */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-active {
    background: rgba(76, 175, 80, 0.1);
    color: var(--success-color);
}

.status-beta {
    background: rgba(255, 152, 0, 0.1);
    color: var(--warning-color);
}

/* Reszponzív design */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .container {
        padding: 15px;
    }

    .card {
        padding: 20px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .service-card {
        padding: 20px;
    }

    .products-grid {
        grid-template-columns: 1fr !important;
        gap: 15px;
    }

    .product-card {
        margin-bottom: 15px;
    }
}

@media (max-width: 480px) {
    .nav-bar {
        padding: 10px 0;
    }

    .nav-logo {
        font-size: 1.3rem;
    }

    .nav-menu {
        gap: 8px;
    }

    .nav-link {
        padding: 6px 12px;
        font-size: 0.9rem;
    }

    .header h1 {
        font-size: 1.8rem;
    }

    .service-card {
        padding: 15px;
    }

    .card {
        padding: 15px;
    }

    .btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
}

/* Akadálymentesség */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.focus-visible:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Performance és UX optimalizációk */
.lazy {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lazy.loaded {
    opacity: 1;
}

/* Loading állapotok */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Preload fontos képek */
.service-card:nth-child(-n+3) .service-icon {
    background-image: var(--primary-gradient);
}

/* Optimalizált képméretek */
@media (max-width: 768px) {
    .product-image, .video-thumbnail img {
        max-width: 100%;
        height: auto;
    }
}