/* ===== RESET Y VARIABLES ===== */
:root {
    /* Colores principales */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    
    /* Colores de estado */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #06b6d4;
    
    /* Escala de grises */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Tipografía */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Plus Jakarta Sans', sans-serif;
    
    /* Espaciado */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Bordes */
    --border-radius: 0.75rem;
    --border-radius-sm: 0.5rem;
    --border-radius-lg: 1rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transiciones */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* ===== RESET Y BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-700);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* ===== LAYOUT ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ===== HEADER ===== */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.logo {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.company-name h1 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-xs);
}

.company-name p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* ===== BOTONES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

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

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: transparent;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
}

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

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,1000 1000,0 1000,1000"/></svg>');
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.highlight {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--space-xs);
    background: linear-gradient(135deg, #fff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ===== SERVICIOS ===== */
.services-section {
    padding: var(--space-2xl) 0;
    background: var(--gray-50);
}

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

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-md);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.services-tabs {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.tabs-nav {
    display: flex;
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
    overflow-x: auto;
}

.tab-nav {
    flex: 1;
    min-width: 200px;
    padding: var(--space-lg);
    border: none;
    background: transparent;
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    justify-content: center;
}

.tab-nav.active {
    background: white;
    color: var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
}

.tab-nav:hover:not(.active) {
    background: var(--gray-200);
    color: var(--gray-800);
}

.tabs-content {
    padding: var(--space-2xl);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.service-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.service-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.service-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-image:hover img {
    transform: scale(1.05);
}

.service-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-md);
}

.service-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.service-features h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--gray-800);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    background: var(--gray-50);
    padding: var(--space-lg);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.feature-content h5 {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.feature-content p {
    color: var(--gray-600);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* ===== CONTACTO ===== */
.contact-section {
    padding: var(--space-2xl) 0;
    background: var(--gray-900);
    color: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: var(--space-2xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--space-xl);
    color: white;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-details h4 {
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: white;
}

.contact-details p {
    color: var(--gray-300);
    line-height: 1.5;
}

.contact-form-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: var(--space-2xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-header {
    margin-bottom: var(--space-xl);
}

.form-header h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: white;
}

.form-header p {
    color: var(--gray-300);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    color: white;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-family: var(--font-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--gray-400);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* ===== FOOTER ===== */
.footer {
    background: var(--gray-900);
    color: white;
    padding: var(--space-2xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.footer-logo h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
}

.footer-logo p {
    color: var(--gray-400);
}

.footer-social h4 {
    margin-bottom: var(--space-md);
    font-weight: 600;
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 1000;
}

.whatsapp-link {
    display: block;
    position: relative;
    text-decoration: none;
}

.whatsapp-icon {
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

.whatsapp-icon:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--gray-800);
    color: white;
    padding: var(--space-md);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.whatsapp-tooltip::before {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 8px solid transparent;
    border-left-color: var(--gray-800);
}

.whatsapp-link:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

/* ===== NOTIFICACIONES ===== */
.notification {
    position: fixed;
    top: 100px;
    right: var(--space-xl);
    z-index: 1001;
    background: white;
    padding: var(--space-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    border-left: 4px solid var(--success-color);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    transform: translateX(400px);
    transition: transform var(--transition-normal);
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-left-color: var(--success-color);
}

.notification.error {
    border-left-color: var(--error-color);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.notification i {
    font-size: 1.25rem;
}

.notification.success i {
    color: var(--success-color);
}

.notification.error i {
    color: var(--error-color);
}

/* ===== MODALES ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: white;
    margin: 5% auto;
    padding: 0;
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: var(--space-xl);
    border-bottom: 1px solid var(--gray-200);
    position: relative;
}

.modal-header h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.modal-header p {
    color: var(--gray-600);
}

.modal-close {
    position: absolute;
    right: var(--space-md);
    top: var(--space-md);
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-500);
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--gray-700);
}

.modal-body {
    padding: var(--space-xl);
}

.error-message,
.success-message {
    padding: var(--space-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.error-message {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
}

.success-message {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #16a34a;
}

.error-message i,
.success-message i {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.modal-footer {
    padding: var(--space-xl);
    border-top: 1px solid var(--gray-200);
    text-align: center;
}

.modal-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.modal-footer a:hover {
    text-decoration: underline;
}

/* ===== AUTH BUTTONS ===== */
.auth-buttons {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm);
    border-radius: var(--border-radius);
    background: var(--gray-100);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.user-profile:hover {
    background: var(--gray-200);
}

.profile-pic {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
}

.profile-pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-name {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 0.875rem;
}

.user-badge {
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 1rem;
    background: var(--primary-color);
    color: white;
    text-transform: capitalize;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: var(--space-xl);
    }
    
    .service-hero {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .tabs-nav {
        flex-direction: column;
    }
    
    .tab-nav {
        min-width: auto;
        justify-content: flex-start;
    }
    
    .footer-main {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
    
    .whatsapp-float {
        bottom: var(--space-md);
        right: var(--space-md);
    }
    
    .auth-buttons {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

@media (max-width: 480px) {
    .header-top {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .logo-container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}