/* ========================================
   PROFESSIONAL CONTACT PAGE STYLES
   Mobile-First, WCAG Compliant, Production-Ready
   ======================================== */

/* ===== ROOT VARIABLES ===== */
:root {
    /* Brand Colors */
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    
    /* Neutral Colors */
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    
    /* Status Colors */
    --success-500: #22c55e;
    --success-50: #f0fdf4;
    --error-500: #ef4444;
    --error-50: #fef2f2;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Typography */
    --font-base: 16px;
    --font-sm: 0.875rem;
    --font-md: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.25rem;
    --font-2xl: 1.5rem;
    --font-3xl: 2rem;
    --font-4xl: 2.5rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 400ms ease-in-out;
}

/* ===== HERO SECTION - Enhanced ===== */
.contact-hero {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
    color: white;
    padding: 6rem 0 5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 25% 50%, rgba(139, 92, 246, 0.4) 0%, transparent 40%),
                radial-gradient(circle at 75% 50%, rgba(236, 72, 153, 0.4) 0%, transparent 40%);
    pointer-events: none;
    animation: pulseGlow 6s ease-in-out infinite;
}

.contact-hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    position: relative;
    z-index: 1;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.contact-hero p {
    font-size: var(--font-xl);
    opacity: 0.95;
    font-weight: 500;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* ===== CONTENT SECTION ===== */
.contact-content {
    padding: 5rem 0;
    background: linear-gradient(180deg, var(--slate-50) 0%, var(--slate-100) 100%);
}

/* ===== GRID LAYOUT ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2xl);
    }
}

/* ===== FORM SECTION ===== */
.contact-form {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: 
        0 10px 25px -5px rgba(0, 0, 0, 0.08),
        0 8px 10px -6px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--slate-200);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.contact-form:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 20px 35px -5px rgba(0, 0, 0, 0.12),
        0 12px 15px -6px rgba(0, 0, 0, 0.06);
}

.contact-form h2 {
    font-size: var(--font-2xl);
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.contact-form h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
    border-radius: 2px;
}

/* ===== FORM GROUPS ===== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--slate-700);
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.01em;
}

.form-group label span[aria-label="required"] {
    color: var(--error-500);
    font-weight: 700;
}

/* ===== FORM INPUTS ===== */
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--font-md);
    font-family: inherit;
    line-height: 1.5;
    color: var(--slate-900);
    background-color: var(--slate-50);
    border: 2px solid var(--slate-300);
    border-radius: var(--radius-md);
    transition: 
        border-color var(--transition-fast),
        background-color var(--transition-fast),
        box-shadow var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--slate-400);
    opacity: 1;
}

/* Hover State */
.form-group input:hover:not(:focus),
.form-group textarea:hover:not(:focus) {
    border-color: var(--slate-400);
    background-color: white;
}

/* Focus State - WCAG 2.4.7 */
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    background-color: white;
    box-shadow: 
        0 0 0 3px rgba(59, 130, 246, 0.1),
        0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

/* Focus Visible for Keyboard Navigation */
.form-group input:focus-visible,
.form-group textarea:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

/* Disabled State */
.form-group input:disabled,
.form-group textarea:disabled {
    background-color: var(--slate-100);
    color: var(--slate-500);
    cursor: not-allowed;
    opacity: 0.6;
}

/* Textarea Specific */
.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

/* ===== VALIDATION STATES ===== */

/* Error State */
.form-group.error input,
.form-group.error textarea {
    border-color: var(--error-500);
    background-color: var(--error-50);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-group.error label {
    color: var(--error-500);
}

.form-group.error-message {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-sm);
    color: var(--error-500);
    font-weight: 500;
}

/* Success State */
.form-group.success input,
.form-group.success textarea {
    border-color: var(--success-500);
    background-color: var(--success-50);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

.form-group.success label {
    color: var(--success-500);
}

/* ===== SUBMIT BUTTON ===== */
.submit-btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    font-size: var(--font-md);
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: 
        transform var(--transition-fast),
        box-shadow var(--transition-fast),
        background var(--transition-fast);
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.25);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

/* Shimmer Effect */
.submit-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.submit-btn:hover::before {
    transform: translateX(100%);
}

.submit-btn:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

/* Focus State for Keyboard Navigation */
.submit-btn:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 3px;
}

/* Loading State */
.submit-btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.submit-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid white;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== CONTACT INFO SECTION ===== */
.contact-info {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: 
        0 10px 25px -5px rgba(0, 0, 0, 0.08),
        0 8px 10px -6px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--slate-200);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.contact-info:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 20px 35px -5px rgba(0, 0, 0, 0.12),
        0 12px 15px -6px rgba(0, 0, 0, 0.06);
}

.contact-info h2 {
    font-size: var(--font-2xl);
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.contact-info h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
    border-radius: 2px;
}

/* ===== INFO ITEMS ===== */
.info-item {
    background: var(--slate-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-500);
    margin-bottom: var(--spacing-lg);
    transition: 
        transform var(--transition-fast),
        background-color var(--transition-fast),
        border-color var(--transition-fast);
}

.info-item:hover {
    background-color: var(--primary-50);
    border-left-color: var(--primary-600);
    transform: translateX(4px);
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-item h3 {
    font-size: var(--font-lg);
    font-weight: 700;
    color: var(--primary-600);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.info-item h3 i {
    font-size: 1.125rem;
    color: var(--primary-500);
}

.info-item p {
    font-size: var(--font-md);
    color: var(--slate-600);
    line-height: 1.6;
    margin: 0;
}

/* ===== INFO LINKS ===== */
.info-item a {
    color: var(--primary-600);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    display: inline-block;
    transition: color var(--transition-fast);
}

.info-item a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
    transition: width var(--transition-base);
}

.info-item a:hover {
    color: var(--primary-700);
}

.info-item a:hover::after {
    width: 100%;
}

.info-item a:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 3px;
    border-radius: 2px;
}

/* ===== MAP SECTION ===== */
.map {
    margin-top: var(--spacing-xl);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 2px solid var(--slate-200);
    transition: all var(--transition-base);
}

.map:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--slate-300);
}

.map iframe {
    width: 100%;
    height: 300px;
    border: none;
    display: block;
}

/* ===== ALERT MESSAGES ===== */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
    font-size: var(--font-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert::before {
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 1.25rem;
}

.alert-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
    border: 2px solid #6ee7b7;
}

.alert-success::before {
    content: '\f058';
    color: #059669;
}

.alert-error {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
    border: 2px solid #fca5a5;
}

.alert-error::before {
    content: '\f06a';
    color: #dc2626;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.contact-form,
.contact-info {
    animation: fadeInUp 0.6s ease-out;
}

.contact-info {
    animation-delay: 0.1s;
}

/* ===== RESPONSIVE DESIGN ===== */

/* Tablets and Small Desktops */
@media (max-width: 1024px) {
    .contact-content {
        padding: 4rem 0;
    }
    
    .contact-grid {
        padding: 0 var(--spacing-md);
    }
}

/* Mobile Devices */
@media (max-width: 768px) {
    .contact-hero {
        padding: 4rem 0 3rem;
    }
    
    .contact-hero h1 {
        font-size: var(--font-3xl);
    }
    
    .contact-hero p {
        font-size: var(--font-lg);
    }
    
    .contact-content {
        padding: 3rem 0;
    }
    
    .contact-grid {
        gap: var(--spacing-xl);
    }
    
    .contact-form,
    .contact-info {
        padding: var(--spacing-xl);
    }
    
    .contact-form h2,
    .contact-info h2 {
        font-size: var(--font-xl);
    }
    
    .map iframe {
        height: 250px;
    }
}

/* Small Mobile Devices */
@media (max-width: 480px) {
    .contact-hero {
        padding: 3rem 0 2rem;
    }
    
    .contact-form,
    .contact-info {
        padding: var(--spacing-lg);
    }
    
    .form-group input,
    .form-group textarea {
        font-size: var(--font-sm);
    }
    
    .submit-btn {
        padding: 0.75rem 1.25rem;
        font-size: var(--font-sm);
    }
    
    .map iframe {
        height: 200px;
    }
}

/* ===== DARK MODE ===== */
body.dark-theme .contact-hero {
    background: linear-gradient(135deg, #1e40af 0%, #0c4a6e 100%);
}

@media (prefers-color-scheme: dark) {
    .contact-hero {
        background: linear-gradient(135deg, #1e40af 0%, #0c4a6e 100%);
    }
    
    body.dark-theme .contact-content,
    .contact-content {
        background: linear-gradient(180deg, var(--slate-900) 0%, var(--slate-800) 100%);
    }
    
    body.dark-theme .contact-form,
    body.dark-theme .contact-info,
    .contact-form,
    .contact-info {
        background: var(--slate-800);
        border-color: var(--slate-700);
        box-shadow: 
            0 10px 25px -5px rgba(0, 0, 0, 0.5),
            0 8px 10px -6px rgba(0, 0, 0, 0.3);
    }
    
    body.dark-theme .contact-form h2,
    body.dark-theme .contact-info h2,
    .contact-form h2,
    .contact-info h2 {
        color: var(--slate-100);
    }
    
    body.dark-theme .form-group label,
    .form-group label {
        color: var(--slate-300);
    }
    
    body.dark-theme .form-group input,
    body.dark-theme .form-group textarea,
    .form-group input,
    .form-group textarea {
        background-color: var(--slate-900);
        border-color: var(--slate-600);
        color: var(--slate-100);
    }
    
    body.dark-theme .form-group input::placeholder,
    body.dark-theme .form-group textarea::placeholder,
    .form-group input::placeholder,
    .form-group textarea::placeholder {
        color: var(--slate-500);
    }
    
    body.dark-theme .form-group input:hover:not(:focus),
    body.dark-theme .form-group textarea:hover:not(:focus),
    .form-group input:hover:not(:focus),
    .form-group textarea:hover:not(:focus) {
        border-color: var(--slate-500);
        background-color: var(--slate-800);
    }
    
    body.dark-theme .form-group input:focus,
    body.dark-theme .form-group textarea:focus,
    .form-group input:focus,
    .form-group textarea:focus {
        border-color: #60a5fa;
        box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.15);
        background-color: var(--slate-800);
    }
    
    body.dark-theme .info-item,
    .info-item {
        background: var(--slate-900);
        border-left-color: #60a5fa;
    }
    
    body.dark-theme .info-item:hover,
    .info-item:hover {
        background: var(--slate-800);
        border-left-color: #93c5fd;
    }
    
    body.dark-theme .info-item h3,
    .info-item h3 {
        color: #93c5fd;
    }
    
    body.dark-theme .info-item h3 i,
    .info-item h3 i {
        color: #60a5fa;
    }
    
    body.dark-theme .info-item p,
    .info-item p {
        color: var(--slate-400);
    }
    
    body.dark-theme .info-item a,
    .info-item a {
        color: #60a5fa;
    }
    
    body.dark-theme .info-item a:hover,
    .info-item a:hover {
        color: #93c5fd;
    }
    
    body.dark-theme .map,
    .map {
        border-color: var(--slate-700);
    }
    
    body.dark-theme .map:hover,
    .map:hover {
        border-color: var(--slate-600);
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .contact-hero {
        background: white;
        color: black;
        padding: 2rem 0;
    }
    
    .contact-content {
        background: white;
        padding: 2rem 0;
    }
    
    .contact-form,
    .contact-info {
        box-shadow: none;
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }
    
    .submit-btn,
    .map {
        display: none;
    }
    
    .info-item a::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}
/* Additional styles for error messages and character count */

.error-message {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-sm);
    color: var(--error-500);
    font-weight: 500;
    min-height: 1.25rem;
    transition: opacity var(--transition-fast);
}

.error-message:empty {
    opacity: 0;
}

/* Character Count */
.char-count {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-sm);
    color: var(--slate-500);
    text-align: right;
    font-weight: 500;
}

body.dark-theme .char-count {
    color: var(--slate-400);
}

body.dark-theme .error-message {
    color: #fca5a5;
}