/* ============================================
   LABOCLID - SISTEMA DE DISEÑO MODERNO
   ============================================ */

/* --- CSS VARIABLES & DESIGN TOKENS --- */
:root {
    /* Colores Principales */
    --primary: #0EA5E9;
    --primary-dark: #0284C7;
    --primary-light: #38BDF8;
    --secondary: #6366F1;
    --secondary-dark: #4F46E5;
    --accent: #10B981;
    --accent-dark: #059669;

    /* Colores Semánticos */
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;

    /* Colores Neutros */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #F1F5F9;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-tertiary: #94A3B8;
    --border: #E2E8F0;
    --border-light: #F1F5F9;

    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.15);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);

    /* Tipografía */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Montserrat', sans-serif;

    /* Espaciado */
    --container-max: 1280px;
    --header-height: 80px;

    /* Radios */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    --text-primary: #F8FAFC;
    --text-secondary: #CBD5E1;
    --text-tertiary: #64748B;
    --border: #334155;
    --border-light: #1E293B;
    --glass-bg: rgba(30, 41, 59, 0.8);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    overflow-x: hidden;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    color: var(--text-secondary);
    font-size: 1.0625rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* --- LAYOUT UTILITIES --- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header h2 {
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.125rem;
}

/* ============================================
   NAVEGACIÓN MODERNA
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar .container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
}

.logo-icon svg {
    width: 26px;
    height: 26px;
    stroke: white;
    stroke-width: 2;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-menu li a {
    padding: 10px 18px;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    position: relative;
}

.nav-menu li a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: transform var(--transition-base);
}

.nav-menu li a:hover::before,
.nav-menu li a.active::before {
    transform: translateX(-50%) scaleX(1);
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: var(--primary);
}

/* Buttons */
.btn-login-nav {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important;
    color: white !important;
    padding: 10px 24px !important;
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.3);
}

.btn-login-nav:hover {
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
    transform: translateY(-2px);
}

.btn-login-nav::before {
    display: none;
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* ============================================
   HERO SECTION MODERNA
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
        rgba(15, 23, 42, 0.92) 0%,
        rgba(30, 41, 59, 0.88) 50%,
        rgba(99, 102, 241, 0.85) 100%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    animation: particles 20s ease-in-out infinite;
}

@keyframes particles {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    margin-bottom: 24px;
    font-size: 0.875rem;
    font-weight: 500;
    color: white;
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: white;
}

.hero-title-accent {
    display: block;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

/* Buttons Modernos */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.35);
}

.btn-primary:hover {
    box-shadow: 0 8px 30px rgba(14, 165, 233, 0.45);
    transform: translateY(-3px);
}

.btn-secondary {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.0625rem;
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats-section {
    padding: 60px 0;
    background: var(--bg-primary);
    position: relative;
    margin-top: -60px;
    z-index: 10;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    background: white;
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--bg-primary);
    padding: 40px 32px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--primary);
    stroke-width: 2;
}

.feature-card h3 {
    font-size: 1.375rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   LAB IMAGE SECTION
   ============================================ */
.lab-showcase {
    background: var(--bg-primary);
}

.lab-showcase-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.lab-showcase-content h2 {
    margin-bottom: 24px;
}

.lab-showcase-content p {
    margin-bottom: 32px;
    line-height: 1.8;
}

.lab-showcase-list {
    list-style: none;
    margin-bottom: 32px;
}

.lab-showcase-list li {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-light);
}

.lab-showcase-list li:last-child {
    border-bottom: none;
}

.lab-showcase-list li svg {
    width: 24px;
    height: 24px;
    stroke: var(--accent);
    stroke-width: 2;
    flex-shrink: 0;
}

.lab-showcase-image {
    position: relative;
}

.lab-showcase-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.lab-showcase-badge {
    position: absolute;
    bottom: -24px;
    left: -24px;
    background: white;
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 16px;
}

.lab-showcase-badge-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lab-showcase-badge-icon svg {
    width: 28px;
    height: 28px;
    stroke: white;
}

.lab-showcase-badge-text strong {
    display: block;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.lab-showcase-badge-text span {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* ============================================
   PROGRAMS SECTION
   ============================================ */
.programs {
    background: var(--bg-secondary);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
}

.program-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition-base);
}

.program-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.program-card-image {
    height: 220px;
    overflow: hidden;
    position: relative;
}

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

.program-card:hover .program-card-image img {
    transform: scale(1.1);
}

.program-card-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent);
    color: white;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
}

.program-card-content {
    padding: 32px;
}

.program-card-content h3 {
    margin-bottom: 12px;
}

.program-card-content p {
    margin-bottom: 24px;
    line-height: 1.7;
}

.program-card-features {
    list-style: none;
    margin-bottom: 24px;
}

.program-card-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.program-card-features li svg {
    width: 18px;
    height: 18px;
    stroke: var(--primary);
    stroke-width: 2;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: white;
    margin-bottom: 20px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 40px;
}

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

.btn-white:hover {
    background: var(--bg-secondary);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

/* ============================================
   FOOTER MODERNO
   ============================================ */
.footer {
    background: var(--bg-primary);
    padding-top: 80px;
    border-top: 1px solid var(--border-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand p {
    margin: 20px 0;
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 44px;
    height: 44px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-4px);
}

.footer-social a:hover svg {
    stroke: white;
}

.footer-social svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-secondary);
}

.footer-column h4 {
    margin-bottom: 24px;
    font-size: 1.0625rem;
}

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

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    transition: var(--transition-base);
}

.footer-column a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-bottom {
    padding: 32px 0;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.875rem;
}

.footer-bottom-links {
    display: flex;
    gap: 32px;
}

.footer-bottom-links a {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ============================================
   COMPONENTES UI EXISTENTES (ACTUALIZADOS)
   ============================================ */

/* Page Content */
.page-content {
    padding: calc(var(--header-height) + 40px) 0 60px;
    min-height: calc(100vh - var(--header-height));
}

/* Info Sections */
.info-section {
    background: var(--bg-primary);
    padding: 32px;
    margin-bottom: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.info-section h3 {
    color: var(--primary);
    margin-bottom: 16px;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
}

.badge-pagado, .badge-aprobado {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent);
}

.badge-pendiente, .badge-reprobado {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.badge-maestro {
    background: rgba(14, 165, 233, 0.15);
    color: var(--primary);
}

.badge-alumno {
    background: rgba(168, 85, 247, 0.15);
    color: #A855F7;
}

/* Messages */
.success-message {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    border-left: 4px solid var(--accent);
}

.error-message {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    border-left: 4px solid var(--danger);
}

/* Pricing Cards */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.pricing-card {
    background: var(--bg-primary);
    padding: 40px 32px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: var(--transition-base);
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.pricing-card h3 {
    color: var(--text-primary);
    margin-bottom: 16px;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    margin: 24px 0;
}

.pricing-card ul {
    list-style: none;
    margin: 24px 0;
}

.pricing-card li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 48px;
}

.contact-info,
.contact-form {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.contact-item {
    margin-bottom: 24px;
}

.contact-item strong {
    color: var(--primary);
    display: block;
    margin-bottom: 8px;
}

/* Forms */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

/* Tables */
.table-container {
    background: var(--bg-primary);
    padding: 32px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: 24px;
    overflow-x: auto;
}

.table-container h3 {
    color: var(--text-primary);
    margin-bottom: 24px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table thead {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
}

table th,
table td {
    padding: 16px;
    text-align: left;
}

table th {
    font-weight: 600;
}

table tbody tr {
    border-bottom: 1px solid var(--border-light);
}

table tbody tr:hover {
    background: var(--bg-secondary);
}

/* Dashboard */
.dashboard h2 {
    color: var(--text-primary);
    margin-bottom: 32px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.dashboard-card {
    background: var(--bg-primary);
    padding: 40px 32px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-base);
}

.dashboard-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon svg {
    width: 40px;
    height: 40px;
    stroke: white;
}

.dashboard-card h3 {
    color: var(--text-primary);
    margin-bottom: 12px;
}

.dashboard-card p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-primary);
    padding: 32px 24px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.stat-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.15) 0%, rgba(99, 102, 241, 0.15) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--primary);
}

.stat-card h4 {
    color: var(--text-tertiary);
    margin-bottom: 12px;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   LOGIN MODERNIZADO
   ============================================ */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.9) 0%, rgba(99, 102, 241, 0.9) 100%),
                url('https://images.unsplash.com/photo-1576086213369-97a306d36557?w=1920') center/cover;
    padding: 40px 24px;
}

.login-box {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    padding: 48px 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 420px;
    border: 1px solid var(--glass-border);
}

.login-box h2 {
    text-align: center;
    margin-bottom: 8px;
}

.login-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.btn-login {
    width: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 16px;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-login:hover {
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.4);
    transform: translateY(-2px);
}

.back-link {
    text-align: center;
    margin-top: 24px;
}

.back-link a {
    color: var(--primary);
    font-weight: 500;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .lab-showcase-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .lab-showcase-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .section {
        padding: 60px 0;
    }

    .mobile-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-primary);
        padding: 24px;
        gap: 8px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition-base);
        pointer-events: none;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu li a {
        display: block;
        padding: 14px 18px;
        border-radius: var(--radius-md);
    }

    .stats-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .section {
        padding: 40px 0;
    }

    .stats-container {
        padding: 24px;
    }

    .program-card-content {
        padding: 24px;
    }

    .login-box {
        padding: 32px 24px;
    }

    .table-container {
        padding: 16px;
    }
}