:root {
    --primary-color: #3b82f6;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --bg-dark: #0f172a;
    --bg-darker: #0a0f1c;
    --bg-card: rgba(15, 23, 42, 0.95);
    --bg-overlay: rgba(10, 15, 28, 0.98);
    --text-primary: #f8fafc;   
    --text-secondary: #e2e8f0;   
    --text-muted: #94a3b8;       
    --text-light: #cbd5e1;       
    --success-bg: #064e3b;   
    --success-text: #d1fae5;     
    --success-border: #10b981;     
    --danger-bg: #7f1d1d;        
    --danger-text: #fecaca;      
    --danger-border: #ef4444;   
    --border-light: rgba(255, 255, 255, 0.1);
    --border-medium: rgba(255, 255, 255, 0.15);
    --border-focus: rgba(59, 130, 246, 0.5);
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.2);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

.contacto-container * {
    box-sizing: border-box;
}

.contacto-container {
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.contact-hero {
    position: relative;
    padding: 6rem 0 4rem;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    overflow: hidden;
}

.contact-hero .hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.contact-hero .container {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-title .text-gradient {
    background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
}

.card-dev {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    transition: all var(--transition-normal);
    overflow: hidden;
    position: relative;
}

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

.card-dev:hover {
    transform: translateY(-8px);
    border-color: var(--border-focus);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.card-dev:hover::before {
    opacity: 1;
}

.card-body {
    padding: 2rem;
}

@media (max-width: 768px) {
    .card-body {
        padding: 1.5rem;
    }
}

.form-label {
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
    font-size: 0.95rem;
}

.form-label i {
    color: var(--primary-light);
    margin-right: 0.5rem;
}

.form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-medium);
    border-radius: 12px;
    color: var(--text-primary) !important;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    transition: all var(--transition-normal);
    width: 100%;
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
    color: var(--text-primary) !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    outline: none;
}

.form-control:hover:not(:focus) {
    border-color: var(--border-focus);
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

textarea.form-control {
    min-height: 140px;
    resize: vertical;
    line-height: 1.6;
}

.select-wrapper {
    position: relative;
    margin-bottom: 1rem;
}

.elegant-select {
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid var(--border-medium) !important;
    color: var(--text-primary) !important;
    padding: 1rem 1.25rem 1rem 3.5rem !important;
    border-radius: 12px !important;
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    width: 100%;
    position: relative;
    z-index: 2;
}

.elegant-select option {
    background-color: var(--bg-dark) !important;
    color: var(--text-primary) !important;
    padding: 12px !important;
    font-size: 1rem !important;
    border: none !important;
}

.elegant-select option:checked {
    background: var(--primary-color) !important;
    color: white !important;
}

.elegant-select option:hover {
    background: var(--primary-light) !important;
    color: white !important;
}

.elegant-select:focus {
    background: rgba(255, 255, 255, 0.08) !important;
    border-color: var(--primary-color) !important;
    color: var(--text-primary) !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15) !important;
    outline: none;
}

.elegant-select:hover:not(:focus) {
    border-color: var(--border-focus) !important;
    transform: translateY(-1px);
}

.select-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-light);
    pointer-events: none;
    font-size: 1.1rem;
    z-index: 3;
}

.select-arrow {
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-light);
    pointer-events: none;
    transition: transform var(--transition-normal);
    z-index: 3;
}

.elegant-select:focus + .select-arrow {
    transform: translateY(-50%) rotate(180deg);
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.25rem;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-medium);
    border-radius: 4px;
    cursor: pointer;
    flex-shrink: 0;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e");
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
    border-color: var(--primary-color);
}

.form-check-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.form-check-label a {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.form-check-label a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    border-radius: 12px;
    color: white !important;
    font-weight: 600;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary i {
    margin-right: 0.5rem;
}

.btn-outline-light {
    background: transparent;
    border: 1px solid var(--border-light);
    color: var(--text-secondary) !important;
    border-radius: 12px;
    padding: 1rem 2rem;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-focus);
    color: var(--text-primary) !important;
    transform: translateY(-3px);
}

.contact-info-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-light);
}

.contact-info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(37, 99, 235, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.25rem;
    flex-shrink: 0;
    transition: all var(--transition-normal);
}

.contact-info-item:hover .contact-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(37, 99, 235, 0.3));
}

.contact-info-item h5 {
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.contact-info-item p,
.contact-info-item small {
    color: var(--text-secondary);
    line-height: 1.5;
}

.contact-info-item a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.process-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    transition: all var(--transition-normal);
}

.process-icon-wrapper:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.card-title {
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.card-text {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.badge.bg-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
    border: none;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    color: white !important;
}

.accordion-button {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    color: var(--text-primary) !important;
    font-weight: 600;
    padding: 1.25rem 1.5rem;
    font-size: 1.1rem;
    transition: all var(--transition-normal);
}

.accordion-button:not(.collapsed) {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-light) !important;
    border-color: var(--border-focus);
    border-bottom: none;
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    border-color: var(--primary-color);
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2394a3b8'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-button:not(.collapsed)::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%233b82f6'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-body {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    border-top: none;
    color: var(--text-secondary);
    padding: 1.5rem;
    line-height: 1.7;
    font-size: 1rem;
}

.alert-elegant {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    border-left: 4px solid;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary) !important;
}

.alert-success.alert-elegant {
    background: var(--success-bg) !important;
    border-color: rgba(16, 185, 129, 0.3) !important;
    border-left-color: var(--success-border) !important;
    color: var(--success-text) !important;
}

.alert-success.alert-elegant .alert-heading,
.alert-success.alert-elegant h5,
.alert-success.alert-elegant strong {
    color: white !important;
}

.alert-success.alert-elegant i {
    color: #34d399 !important;
}

.alert-danger.alert-elegant {
    background: var(--danger-bg) !important;
    border-color: rgba(239, 68, 68, 0.3) !important;
    border-left-color: var(--danger-border) !important;
    color: var(--danger-text) !important;
}

.alert-danger.alert-elegant .alert-heading,
.alert-danger.alert-elegant h5,
.alert-danger.alert-elegant strong {
    color: white !important;
}

.alert-danger.alert-elegant i {
    color: #f87171 !important;
}

.alert-elegant i {
    margin-right: 0.75rem;
}

.alert-elegant .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
    opacity: 0.7;
}

.alert-elegant .btn-close:hover {
    opacity: 1;
}

.fade-in-up {
    animation: fadeInUp 0.6s var(--transition-normal) forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s var(--transition-normal);
}

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

.code-editor.compact {
    background: rgba(10, 15, 28, 0.9);
    border-radius: 12px;
    border: 1px solid var(--border-light);
    overflow: hidden;
    max-height: 240px;
}

.editor-header {
    background: rgba(15, 23, 42, 0.8);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-light);
}

.editor-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.editor-body {
    background: transparent;
    color: var(--text-secondary);
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    margin: 0;
    padding: 1rem;
}

.bg-darker {
    background-color: var(--bg-darker) !important;
}

.bg-gradient-dark {
    background: linear-gradient(135deg, var(--bg-darker), var(--bg-dark));
    border: 1px solid var(--border-light);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .process-icon-wrapper {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .elegant-select {
        padding-left: 3rem !important;
        font-size: 0.95rem;
    }
    
    .select-icon {
        left: 1rem;
        font-size: 1rem;
    }
    
    .contact-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .btn-primary,
    .btn-outline-light {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}

@-moz-document url-prefix() {
    .elegant-select {
        padding-left: 3.2rem !important;
        background-color: rgba(255, 255, 255, 0.05) !important;
    }
    
    .elegant-select option {
        background-color: var(--bg-dark) !important;
        color: var(--text-primary) !important;
    }
}

@media not all and (min-resolution:.001dpcm) {
    @supports (-webkit-appearance:none) {
        .elegant-select {
            -webkit-appearance: none;
            background-color: rgba(255, 255, 255, 0.05) !important;
            color: var(--text-primary) !important;
        }
        
        .elegant-select option {
            background-color: var(--bg-dark) !important;
            color: var(--text-primary) !important;
        }
    }
}

@supports (-ms-ime-align:auto) {
    .elegant-select {
        background-color: rgba(255, 255, 255, 0.05) !important;
        color: var(--text-primary) !important;
    }
}

.text-light {
    color: var(--text-primary) !important;
}

.text-white {
    color: white !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

.fw-800 {
    font-weight: 800 !important;
}

.fw-semibold {
    font-weight: 600 !important;
}

.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

input:not([type="checkbox"]):not([type="radio"]),
textarea,
select,
.form-control,
.elegant-select {
    color: var(--text-primary) !important;
}

::placeholder,
.form-control::placeholder,
.elegant-select::placeholder {
    color: var(--text-muted) !important;
    opacity: 0.7 !important;
}

select option {
    background-color: var(--bg-dark) !important;
    color: var(--text-primary) !important;
}

select option:checked {
    background: var(--primary-color) !important;
    color: white !important;
}

.btn {
    color: inherit !important;
}

/* Enlaces */
a:not(.btn) {
    color: var(--primary-light) !important;
}

a:not(.btn):hover {
    color: var(--primary-color) !important;
}

.select-wrapper {
    isolation: isolate;
}

.elegant-select::-ms-expand {
    display: none;
}

.elegant-select:focus {
    z-index: 1000;
}

@supports (-webkit-touch-callout: none) {
    .elegant-select {
        font-size: 16px !important;
    }
}

@media (prefers-contrast: high) {
    :root {
        --text-primary: #ffffff;
        --text-secondary: #e2e8f0;
        --text-muted: #94a3b8;
    }
    
    .form-control,
    .elegant-select {
        border-width: 2px;
    }
    
    .btn-primary {
        border: 2px solid white;
    }
}