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

:root {
    --color-primary: #2c3e50;
    --color-secondary: #3498db;
    --color-accent: #667eea;
    --color-text: #333;
    --color-text-light: #666;
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-border: #e0e0e0;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --container-width: 1200px;
    --transition: 0.3s ease;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}


.site-header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    border-bottom: 3px solid var(--color-secondary);
}

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

.brand {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    transition: all var(--transition);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.brand:hover {
    color: var(--color-secondary);
    transform: translateY(-2px);
}

.primary-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.primary-nav a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    transition: all var(--transition);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    position: relative;
}

.primary-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transition: all var(--transition);
    transform: translateX(-50%);
}

.primary-nav a:hover,
.primary-nav a.active {
    color: white;
    background: rgba(52, 152, 219, 0.1);
}

.primary-nav a:hover::after,
.primary-nav a.active::after {
    width: 80%;
}

.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    padding: 0.75rem;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-around;
    width: 40px;
    height: 40px;
    transition: all var(--transition);
    position: relative;
    z-index: 1002;
}

.mobile-nav-toggle:focus {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

.burger-line {
    display: block;
    width: 100%;
    height: 4px;
    background: white;
    border-radius: 2px;
    transition: all var(--transition);
    transform-origin: center;
}

.mobile-nav-toggle.active .burger-line:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.mobile-nav-toggle.active .burger-line:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.mobile-nav-toggle.active .burger-line:nth-child(3) {
    transform: rotate(-45deg) translate(10px, -10px);
}

.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    z-index: 1001;
    transition: right var(--transition);
    padding: var(--spacing-lg) var(--spacing-md);
    box-shadow: -2px 0 10px rgba(0,0,0,0.2);
    border-left: 3px solid var(--color-secondary);
    overflow-y: auto;
}

.mobile-nav-drawer.active {
    right: 0;
}

.mobile-nav-drawer ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav-drawer ul li {
    margin: 0;
    padding: 0;
}

.mobile-nav-drawer a {
    display: block;
    color: white;
    text-decoration: none;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: all var(--transition);
    font-size: 1.1rem;
    font-weight: 500;
}

.mobile-nav-drawer a:hover,
.mobile-nav-drawer a.active {
    color: var(--color-secondary);
    padding-left: var(--spacing-sm);
    background: rgba(52, 152, 219, 0.1);
}

.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 1000;
    backdrop-filter: blur(2px);
}

.mobile-nav-overlay.active {
    display: block;
}


.site-footer {
    background: linear-gradient(135deg, #0f0f1e 0%, #1a1a2e 100%);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
    border-top: 4px solid var(--color-secondary);
    position: relative;
}

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

.footer-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-column h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
    color: var(--color-secondary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-column p {
    color: rgba(255,255,255,0.85);
    line-height: 1.8;
    font-size: 0.95rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    transition: all var(--transition);
    display: inline-block;
    padding: 0.25rem 0;
}

.footer-column a:hover {
    color: var(--color-secondary);
    transform: translateX(5px);
    padding-left: 0.5rem;
}

.footer-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-link {
    background: rgba(52, 152, 219, 0.1);
    border: 2px solid rgba(52, 152, 219, 0.3);
    color: white;
    padding: 0.6rem 1.5rem;
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 25px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-link:hover {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(52, 152, 219, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}


.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: white;
    border-radius: 8px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    position: relative;
}

.modal-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    color: var(--color-primary);
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-light);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition);
}

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

.modal-body {
    padding: var(--spacing-md);
}

.modal-body h3 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.modal-body p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.modal-body ul {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.modal-body li {
    margin-bottom: 0.5rem;
    color: var(--color-text-light);
}


#cookie-consent.modal-overlay {
    z-index: 3000;
}

.cookie-consent-dialog {
    max-width: 500px;
}

.cookie-consent-dialog .modal-body {
    text-align: center;
}

.cookie-consent-dialog .button-group {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}


.button {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: var(--color-secondary);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-family: inherit;
}

.button:hover {
    background: #2980b9;
}

.button--secondary {
    background: transparent;
    border: 1px solid var(--color-secondary);
    color: var(--color-secondary);
}

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


.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    border: 1px solid var(--color-border);
    border-radius: 5px;
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.accordion-header {
    background: var(--color-bg-light);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--transition);
}

.accordion-header:hover {
    background: #e9ecef;
}

.accordion-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--color-primary);
}

.accordion-toggle {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-light);
    transition: transform var(--transition);
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.accordion-item.active .accordion-toggle {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-body {
    padding: var(--spacing-md);
    color: var(--color-text-light);
}

.accordion-item.active .accordion-content {
    max-height: 1000px;
}


.tabs {
    margin: var(--spacing-lg) 0;
}

.tab-list {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.tab-button {
    background: transparent;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    font-size: 1rem;
    color: var(--color-text-light);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition);
}

.tab-button:hover {
    color: var(--color-primary);
}

.tab-button.active {
    color: var(--color-secondary);
    border-bottom-color: var(--color-secondary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.tab-content ul {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.tab-content li {
    margin-bottom: 0.5rem;
    color: var(--color-text-light);
}


.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #e74c3c;
}

.error-message {
    color: #e74c3c;
    font-size: 0.9rem;
    margin-top: 0.25rem;
    display: none;
}

.error-message.show {
    display: block;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 0.25rem;
}

.checkbox-group label {
    font-weight: normal;
    margin: 0;
}


.toast {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 5px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    z-index: 1500;
    display: none;
    max-width: 400px;
}

.toast.active {
    display: block;
    animation: slideIn 0.3s ease;
}

.toast.success {
    background: #27ae60;
}

.toast.error {
    background: #e74c3c;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}


.reveal {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal--up {
    transform: translateY(30px);
}

.reveal--down {
    transform: translateY(-30px);
}

.reveal--left {
    transform: translateX(-30px);
}

.reveal--right {
    transform: translateX(30px);
}

.reveal.active {
    opacity: 1;
    transform: translate(0, 0);
}

.reveal--delay-1 {
    transition-delay: 0.1s;
}

.reveal--delay-2 {
    transition-delay: 0.2s;
}

.reveal--delay-3 {
    transition-delay: 0.3s;
}


.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}


@media (max-width: 768px) {
    .primary-nav {
        display: none;
    }
    
    .mobile-nav-toggle {
        display: flex;
    }
    
    .footer-columns {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .split {
        grid-template-columns: 1fr;
    }
    
    .tab-list {
        flex-direction: column;
    }
    
    .tab-button {
        text-align: left;
        border-bottom: none;
        border-left: 2px solid transparent;
        margin-bottom: 0;
        margin-left: -2px;
    }
    
    .tab-button.active {
        border-left-color: var(--color-secondary);
        border-bottom-color: transparent;
    }
}