/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, 
        var(--background-secondary) 0%,
        var(--background) 100%);
    position: relative;
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: clamp(var(--text-3xl), 6vw, var(--text-4xl));
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), #5ac8fa);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Contact Content */
.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    width: 100%;
}

/* Highlighted Contact Item */
.contact-item.highlight {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    margin-bottom: 2.5rem;
    text-align: center;
    backdrop-filter: blur(20px);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-base) ease;
}

.contact-item.highlight:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 35px rgba(10, 132, 255, 0.2);
}

.contact-item.highlight .contact-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.contact-item.highlight .phone-number {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: block;
    margin: 1rem 0;
    transition: all 0.3s ease;
    line-height: 1.2;
}

.contact-item.highlight .phone-number:hover {
    color: var(--primary-hover);
    transform: scale(1.05);
}

.contact-item.highlight .contact-note {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: 0.75rem;
    opacity: 0.8;
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* Regular Contact Items */
.contact-item {
    background: var(--background-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 1.75rem;
    transition: all var(--transition-base) ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.contact-item:hover {
    border-color: var(--border-light);
    transform: translateY(-5px);
    box-shadow: var(--shadow-light);
    background: var(--glass-bg);
}

.contact-icon {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: rgba(10, 132, 255, 0.1);
    border-radius: var(--radius-full);
}

.contact-details {
    width: 100%;
}

.contact-details h4 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-weight: 600;
}

.contact-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-base) ease;
    display: inline-block;
    margin: 0.25rem 0;
}

.contact-link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
    transform: translateY(-2px);
}

.contact-details p {
    color: var(--text-secondary);
    margin: 0.25rem 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Messenger Links */
.messenger-links {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

@media (max-width: 768px) {
    .messenger-links {
        flex-direction: column;
        gap: 0.5rem;
    }
}

.messenger-link {
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
}

.messenger-link.whatsapp {
    background: #25D366;
    color: white;
}

.messenger-link.telegram {
    background: #0088cc;
    color: white;
}

.messenger-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    filter: brightness(1.1);
}

/* ===== FOOTER ===== */
.footer {
    background: #0a0a0a;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* Footer Brand */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-color), #5ac8fa);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.footer-description {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: 1.6;
    margin: 0;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-base) ease;
}

.social-link:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Footer Links */
.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

@media (max-width: 768px) {
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

.footer-column h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-link {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 10px;
    transition: all var(--transition-base) ease;
    font-size: var(--text-sm);
}

.footer-link:hover {
    color: var(--primary-color);
    transform: translateX(4px);
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border);
}

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

.copyright {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin: 0;
}

.legal-links {
    display: flex;
    gap: var(--spacing-lg);
}

@media (max-width: 768px) {
    .legal-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

.legal-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: color var(--transition-base) ease;
}

.legal-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-base) ease;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(10, 132, 255, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-hover);
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 8px 25px rgba(10, 132, 255, 0.4);
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

/* ===== RESPONSIVE ADJUSTMENTS ===== */
@media (max-width: 1024px) {
    .contact-content {
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .contact {
        padding: var(--spacing-xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-xl);
    }
    
    .section-title {
        font-size: var(--text-2xl);
    }
    
    .section-subtitle {
        font-size: var(--text-base);
    }
    
    .contact-item.highlight {
        padding: 1.75rem;
    }
    
    .contact-item.highlight .phone-number {
        font-size: 1.6rem;
    }
    
    .contact-item.highlight .contact-icon {
        font-size: 2.5rem;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .contact-item.highlight .phone-number {
        font-size: 1.4rem;
    }
    
    .contact-item {
        padding: 1.25rem;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 1.8rem;
    }
    
    .messenger-link {
        min-width: 100px;
        padding: 0.5rem 1rem;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* Анимации */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.contact-item.highlight .phone-number:hover {
    animation: pulse 0.6s ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.contact-icon {
    animation: float 3s ease-in-out infinite;
}

.contact-item.highlight .contact-icon {
    animation: float 4s ease-in-out infinite;
    animation-delay: 0.5s;
}

/* Loading animation for contact form (удалено, так как форма удалена) */

/* ===== ENHANCED STYLES FOR CONTACT SECTION ===== */
.contact {
    position: relative;
    overflow: hidden;
}

.contact::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(10, 132, 255, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(10, 132, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.contact-item.highlight {
    position: relative;
    overflow: hidden;
}

.contact-item.highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--primary-color), 
        transparent);
    animation: slide 3s linear infinite;
}

@keyframes slide {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Accessibility improvements */
.phone-number:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 4px;
    border-radius: 4px;
}

.contact-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Print styles */
@media print {
    .contact-item.highlight .phone-number {
        color: black !important;
        text-decoration: underline;
    }
    
    .contact-item.highlight {
        border: 1px solid #ccc;
        box-shadow: none;
    }
    
    .back-to-top {
        display: none;
    }
}