/* ===== VARIABLES CSS - REUTILIZABLE ===== */
/* Cambiar colores principales para diferentes ciclos de webinars */
:root {
    /* Colores principales del ciclo - PERSONALIZABLE */
    --primary-color: #0EA5E9;
    --primary-dark: #0284C7;
    --primary-light: #7DD3FC;
    --secondary-color: #8B5CF6;
    --secondary-dark: #7C3AED;
    --secondary-light: #C4B5FD;
    
    /* Colores de acento - PERSONALIZABLE */
    --accent-orange: #F59E0B;
    --accent-green: #059669;
    --accent-pink: #EC4899;
    --accent-red: #EF4444;
    
    /* Colores del sistema - FIJOS */
    --background: #FFFFFF;
    --background-alt: #F8FAFC;
    --surface: #FFFFFF;
    --surface-alt: #F1F5F9;
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --border: #E2E8F0;
    --border-light: #F1F5F9;
    
    /* Estados */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #0EA5E9;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --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);
    
    /* Tipografía */
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
    --font-secondary: 'Source Sans Pro', system-ui, -apple-system, sans-serif;
    
    /* Espaciado */
    --container-max-width: 1200px;
    --section-padding: 5rem 0;
    --section-padding-mobile: 3rem 0;
    
    /* Transiciones */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* ===== UTILIDADES ===== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: var(--section-padding);
}

.section-alt {
    background-color: var(--background-alt);
}

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

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand-logo {
    height: 40px;
    width: auto;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.brand-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--text-primary);
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--background);
    padding: 2rem;
    transform: translateX(100%);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 2rem;
    box-shadow: var(--shadow-xl);
}

.mobile-menu.active .mobile-menu-content {
    transform: translateX(0);
}

.mobile-nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}

.mobile-nav-link:hover {
    color: var(--primary-color);
}

.mobile-menu-actions {
    margin-top: auto;
}

/* ===== BOTONES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
    line-height: 1;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow);
}

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

.btn-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--surface-alt);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

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

/* ===== HERO SECTION ===== */
.hero {
    padding: 8rem 0 6rem;
    background: linear-gradient(135deg, var(--background) 0%, var(--background-alt) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary-color);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-info {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.info-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.info-content {
    display: flex;
    flex-direction: column;
}

.info-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.info-value {
    font-weight: 600;
    color: var(--text-primary);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ===== HERO VISUAL ===== */
.hero-visual {
    position: relative;
}

.visual-container {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.main-image {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.main-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
}

.overlay-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
    box-shadow: var(--shadow);
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-item {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--background);
    border-radius: 2rem;
    box-shadow: var(--shadow-lg);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    animation: float 6s ease-in-out infinite;
}

.floating-item i {
    width: 1.5rem;
    height: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
}

.item-1 {
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.item-2 {
    top: 30%;
    left: -15%;
    animation-delay: 1.5s;
}

.item-3 {
    bottom: 30%;
    right: -5%;
    animation-delay: 3s;
}

.item-4 {
    bottom: 10%;
    left: -10%;
    animation-delay: 4.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

/* ===== SECCIONES GENERALES ===== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== PROGRAMA DE WEBINARS ===== */
.program-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:last-child .date-line {
    display: none;
}

.timeline-date {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.date-circle {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
}

.date-number {
    font-size: 1.25rem;
    line-height: 1;
}

.date-month {
    font-size: 0.75rem;
    opacity: 0.9;
}

.date-line {
    width: 2px;
    height: 3rem;
    background: var(--border);
    margin-top: 1rem;
}

.timeline-content {
    flex: 1;
}

.session-card {
    background: var(--surface);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.session-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.session-card.featured {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.05), rgba(139, 92, 246, 0.05));
}

.session-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.session-number {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    background: rgba(14, 165, 233, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
}

.session-status {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-green);
    background: rgba(5, 150, 105, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
}

.session-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.session-topics {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.topic-tag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    background: var(--surface-alt);
    color: var(--text-secondary);
    border-radius: 1rem;
    border: 1px solid var(--border);
}

.session-speaker {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.speaker-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

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

.speaker-info {
    flex: 1;
}

.speaker-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.speaker-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ===== CONFERENCISTAS ===== */
.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.speaker-card {
    background: var(--surface);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

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

.speaker-card.featured {
    border: 2px solid var(--primary-color);
}

.speaker-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.speaker-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: var(--transition);
}

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

.speaker-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.speaker-content {
    padding: 2rem;
}

.speaker-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.speaker-title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.speaker-expertise {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.expertise-tag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 1rem;
}

.speaker-session {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    padding: 1rem;
    background: var(--background-alt);
    border-radius: 0.5rem;
    margin: -1rem -1rem 0;
}

/* ===== ORGANIZADORES ===== */
.organizers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.organizer-card {
    background: var(--surface);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    position: relative;
    transition: var(--transition);
}

.organizer-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.organizer-card.main-organizer {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.05), rgba(139, 92, 246, 0.05));
}

.organizer-badge {
    position: absolute;
    top: -0.5rem;
    left: 2rem;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.organizer-logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.organizer-logo img {
    height: 60px;
    width: auto;
}

.organizer-name {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.organizer-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
    text-align: center;
}

.organizer-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    display: block;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.organizer-highlights {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.highlight-item i {
    color: var(--primary-color);
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

.organizer-links {
    text-align: center;
}

.link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.link-btn:hover {
    color: var(--primary-dark);
}

/* ===== PROCESO DE PARTICIPACIÓN ===== */
.process-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    max-width: 1000px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.step-item {
    background: var(--surface);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    position: relative;
    flex: 1;
    min-width: 180px;
    transition: var(--transition);
}

.step-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto 1rem;
}

.step-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.step-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.step-icon {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.step-arrow {
    color: var(--primary-color);
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* ===== BENEFICIOS ===== */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background: var(--surface);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.benefit-icon {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin: 0 auto 1.5rem;
}

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

.benefit-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== REGISTRO ===== */
.registration-container {
    max-width: 600px;
    margin: 0 auto;
}

.registration-card {
    background: var(--surface);
    border-radius: 1rem;
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-light);
}

.registration-header {
    text-align: center;
    margin-bottom: 2rem;
}

.registration-icon {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin: 0 auto 1.5rem;
}

.registration-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.registration-header p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.validation-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-group {
    position: relative;
}

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

.form-group input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--background);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-icon {
    position: absolute;
    left: 1rem;
    top: 2.25rem;
    color: var(--text-muted);
    pointer-events: none;
}

.registration-help {
    text-align: center;
    padding: 1.5rem;
    background: var(--background-alt);
    border-radius: 0.5rem;
    border: 1px solid var(--border-light);
}

.registration-help p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

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

/* ===== PANTALLAS DE ESTADO ===== */
.loading-container,
.success-container,
.error-container {
    max-width: 600px;
    margin: 0 auto;
}

.loading-card,
.success-card,
.error-card {
    background: var(--surface);
    border-radius: 1rem;
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-light);
    text-align: center;
}

/* Loading Screen */
.loading-spinner {
    margin-bottom: 2rem;
}

.spinner {
    width: 4rem;
    height: 4rem;
    border: 4px solid var(--border-light);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.loading-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.loading-step {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--background-alt);
    border-radius: 0.5rem;
    text-align: left;
}

.loading-step i {
    color: var(--text-muted);
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
}

.loading-step.active i {
    color: var(--primary-color);
}

.loading-step.completed i {
    color: var(--success);
}

.step-status {
    margin-left: auto;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: var(--border);
}

.loading-step.active .step-status {
    background: var(--primary-color);
    animation: pulse 1.5s ease-in-out infinite;
}

.loading-step.completed .step-status {
    background: var(--success);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.progress-bar {
    width: 100%;
    height: 0.5rem;
    background: var(--border-light);
    border-radius: 0.25rem;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 0.25rem;
    transition: width 0.5s ease;
    width: 0%;
}

.loading-message {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Success Screen */
.success-icon {
    width: 4rem;
    height: 4rem;
    background: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    animation: successPulse 0.6s ease-out;
}

@keyframes successPulse {
    0% { transform: scale(0); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.success-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--success);
}

.success-message {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.success-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--background-alt);
    border-radius: 0.5rem;
}

.success-info .info-item {
    justify-content: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.success-note {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 1rem;
}

/* Error Screen */
.error-icon {
    width: 4rem;
    height: 4rem;
    background: var(--error);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
}

.error-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--error);
}

.error-message {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.error-suggestions {
    text-align: left;
    padding: 1.5rem;
    background: var(--background-alt);
    border-radius: 0.5rem;
    margin-bottom: 2rem;
}

.error-suggestions h4 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.error-suggestions ul {
    list-style: none;
    padding: 0;
}

.error-suggestions li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.error-suggestions li::before {
    content: '•';
    color: var(--error);
    font-weight: bold;
    position: absolute;
    left: 0;
}

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

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    height: 60px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    display: block;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-section h4 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .info-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .organizers-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    .section {
        padding: var(--section-padding-mobile);
    }
    
    .header-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero {
        padding: 6rem 0 4rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-info {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .timeline-item {
        flex-direction: column;
        gap: 1rem;
    }
    
    .timeline-date {
        flex-direction: row;
        align-items: center;
        gap: 1rem;
    }
    
    .date-line {
        width: 2rem;
        height: 2px;
        margin: 0;
    }
    
    .speakers-grid {
        grid-template-columns: 1fr;
    }
    
    .speaker-card.featured {
        transform: none;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .registration-card,
    .loading-card,
    .success-card,
    .error-card {
        padding: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .error-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .floating-item {
        display: none;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .date-circle {
        width: 3rem;
        height: 3rem;
    }
    
    .date-number {
        font-size: 1rem;
    }
    
    .session-card {
        padding: 1.5rem;
    }
    
    .speaker-content {
        padding: 1.5rem;
    }
    
    .organizer-card {
        padding: 1.5rem;
    }
    
    .step-item {
        padding: 1.5rem;
        min-width: auto;
    }
    
    .process-steps {
        gap: 0.5rem;
    }
    
    .step-arrow {
        font-size: 1.25rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ===== UTILIDADES DE ACCESIBILIDAD ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== ESTADOS DE FOCUS PARA ACCESIBILIDAD ===== */
button:focus,
input:focus,
a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== PRINT STYLES ===== */
@media print {
    .header,
    .mobile-menu,
    .floating-elements,
    .registration-container,
    .footer {
        display: none !important;
    }
    
    .section {
        padding: 1rem 0;
    }
    
    .hero {
        padding: 2rem 0;
    }
}

.facebook-live .info-icon {
  animation: pulseScale 2s ease-in-out infinite;
  background: linear-gradient(135deg, #1877F2, #0E64D2);
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 0.5rem;
}

.facebook-live .info-value {
  color: #1877F2;
}

@keyframes pulseScale {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}