/* ============================================
VARIABLES CSS - DARK MODE
============================================ */
:root {
    /* Colores principales adaptados a dark mode */
    --primary-blue: #1E3A5F;
    --primary-blue-light: #2D5A8F;
    --primary-blue-dark: #0F1C2E;

    --secondary-orange: #FF9500;
    --secondary-orange-light: #faa524;
    --secondary-orange-dark: #E67E00;

    /* Grises para dark mode */
    --neutral-gray: #1F2937;
    --neutral-gray-dark: #374151;
    --neutral-gray-darker: #4B5563;

    /* Sistema de espaciado */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;

    /* Bordes y radios */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-pill: 50px;

    /* Sombras para dark mode */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.6);
    --shadow-orange: 0 4px 16px rgba(255, 149, 0, 0.4);

    /* Transiciones */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   BODY DARK MODE
   ============================================ */
body {
    background: #0A0E1A;
    color: #F9FAFB;
}

/* ============================================
   BREADCRUMB - HERO SECTION
   ============================================ */
.site-breadcrumb {
    position: relative;
    padding: 100px 0 70px !important;
    background-size: cover !important;
    background-position: center !important;
    background-blend-mode: overlay;
    min-height: 350px;
    display: flex;
    align-items: center;
}

.site-breadcrumb::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
    rgba(10, 14, 26, 0.95) 0%,
    rgba(17, 24, 39, 0.92) 50%,
    rgba(255, 149, 0, 0.15) 100%
    );
    z-index: 1;
}

.site-breadcrumb .container {
    position: relative;
    z-index: 2;
}

.breadcrumb-title {
    font-size: clamp(2rem, 5vw, 3.2rem) !important;
    font-weight: 700 !important;
    color: #F9FAFB !important;
    text-shadow: 0 3px 12px rgba(255, 149, 0, 0.3), 0 0 30px rgba(255, 149, 0, 0.1) !important;
    margin-bottom: 1.5rem !important;
    line-height: 1.2 !important;
}

.breadcrumb-menu {
    display: flex !important;
    justify-content: center !important;
    align-items: center;
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
    gap: 0.5rem !important;
    flex-wrap: wrap;
}

.breadcrumb-menu li {
    color: #D1D5DB !important;
    font-size: 15px !important;
    display: flex;
    align-items: center;
}

.breadcrumb-menu li::before {
    content: '/' !important;
    margin: 0 0.75rem;
    color: #9CA3AF;
}

.breadcrumb-menu li:first-child::before {
    content: '' !important;
    margin: 0;
}

.breadcrumb-menu li a {
    color: #D1D5DB !important;
    text-decoration: none !important;
    padding: 6px 14px !important;
    border-radius: var(--radius-sm) !important;
    transition: var(--transition) !important;
}

.breadcrumb-menu li a:hover {
    color: var(--secondary-orange) !important;
    background: rgba(255, 149, 0, 0.15) !important;
}

.breadcrumb-menu li.active {
    color: var(--secondary-orange) !important;
    font-weight: 600 !important;
    background: rgba(255, 149, 0, 0.2);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
}

/* ============================================
   NAVEGACIÓN DE BOTONES - RESPONSIVE OPTIMIZADO
   ============================================ */
navigation-wrapper {
    background: #111827;
    border-bottom: 1px solid #374151;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.container-buttons-navigation {
    padding: 1.5rem 0;
    position: relative;
    overflow: hidden;
    z-index: 100;
}

.buttons-scroll-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    padding: 0.25rem 0;
}

.nav-button-link {
    text-decoration: none;
    display: inline-block;
}

.nav-button,
.container-buttons-navigation a button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: #1F2937 !important;
    border: 2px solid #374151 !important;
    padding: 10px 24px !important;
    border-radius: var(--radius-pill) !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    color: #D1D5DB !important;
    cursor: pointer;
    transition: var(--transition) !important;
    white-space: nowrap;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    margin: 0.25rem;
}

.nav-button i {
    font-size: 14px;
    transition: transform 0.3s ease;
}

.nav-button:hover,
.nav-button:focus,
.container-buttons-navigation a button:hover,
.container-buttons-navigation a button:focus {
    background: var(--secondary-orange) !important;
    color: #111827 !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(255, 149, 0, 0.4), 0 0 20px rgba(255, 149, 0, 0.3) !important;
    border-color: var(--secondary-orange-dark) !important;
}

.nav-button:hover i {
    transform: scale(1.1);
}

.nav-button:active,
.container-buttons-navigation a button:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(255, 149, 0, 0.2);
}

.nav-button.active,
.nav-button-link.active .nav-button {
    background: var(--secondary-orange) !important;
    color: #111827 !important;
    border-color: var(--secondary-orange-dark) !important;
    box-shadow: var(--shadow-orange);
}

/* ============================================
   RESPONSIVE BREAKPOINTS - GRID
   ============================================ */

/* Desktop grande (1200px+) */
@media (min-width: 1200px) {
    .container-buttons-navigation {
        padding: 1.75rem 0;
    }

    .buttons-scroll-container {
        gap: 1rem;
    }

    .nav-button,
    .container-buttons-navigation a button {
        padding: 0.875rem 1.75rem !important;
        font-size: 15px !important;
    }

    .nav-button i {
        font-size: 15px;
    }
}

/* Desktop (992px - 1199px) */
@media (min-width: 992px) and (max-width: 1199px) {
    .buttons-scroll-container {
        gap: 0.75rem;
    }

    .nav-button,
    .container-buttons-navigation a button {
        padding: 0.75rem 1.5rem !important;
        font-size: 14px !important;
    }
}

/* Tablet landscape (768px - 991px) */
@media (max-width: 991px) {
    .container-buttons-navigation {
        padding: 1.25rem 0;
    }

    .buttons-scroll-container {
        gap: 0.625rem;
    }

    .nav-button,
    .container-buttons-navigation a button {
        padding: 0.625rem 1.25rem !important;
        font-size: 13px !important;
    }

    .nav-button i {
        font-size: 13px;
    }
}

/* Tablet portrait (768px) - ACTIVAR GRID */
@media (max-width: 768px) {
    .navigation-wrapper {
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
    }

    .container-buttons-navigation {
        padding: 1rem 0;
    }

    .buttons-scroll-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 0.625rem;
        padding: 0.625rem;
        flex-wrap: nowrap;
    }

    .nav-button,
    .container-buttons-navigation a button {
        width: 100%;
        justify-content: center;
        padding: 0.625rem 1.125rem !important;
        font-size: 13px !important;
        margin: 0;
    }

    .nav-button i {
        font-size: 12px;
    }
}

/* Mobile grande (576px - 767px) - GRID 2 COLUMNAS */
@media (max-width: 576px) {
    .container-buttons-navigation {
        padding: 0.875rem 0;
    }

    .buttons-scroll-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
        padding: 0.5rem 0.75rem;
    }

    .nav-button,
    .container-buttons-navigation a button {
        padding: 0.5rem 1rem !important;
        font-size: 12px !important;
    }

    .nav-button i {
        font-size: 11px;
    }

    .button-text {
        font-size: 12px;
    }
}

/* Mobile pequeño (≤400px) - GRID 1 COLUMNA */
@media (max-width: 400px) {
    .container-buttons-navigation {
        padding: 0.75rem 0;
    }

    .buttons-scroll-container {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        padding: 0.5rem 0.625rem;
    }

    .nav-button,
    .container-buttons-navigation a button {
        padding: 0.625rem 1rem !important;
        font-size: 12px !important;
    }

    .nav-button i {
        font-size: 11px;
    }
}

/* Mobile extremo (≤360px) - SOLO ICONOS */
@media (max-width: 360px) {
    .button-text,
    .nav-button span:not(.filter-text),
    .container-buttons-navigation a button span {
        display: none;
    }

    .nav-button,
    .container-buttons-navigation a button {
        padding: 0.75rem !important;
        min-width: 50px;
        height: 50px;
        justify-content: center;
    }

    .nav-button i {
        font-size: 18px;
        margin: 0;
    }
}

/* ============================================
   MEJORAS DE UX Y ACCESIBILIDAD
   ============================================ */

/* Touch feedback */
@media (hover: none) {
    .nav-button,
    .container-buttons-navigation a button {
        -webkit-tap-highlight-color: rgba(255, 149, 0, 0.1);
    }

    .nav-button:active,
    .container-buttons-navigation a button:active {
        background: var(--secondary-orange) !important;
        color: #111827 !important;
    }
}

/* Focus visible mejorado */
.nav-button:focus-visible,
.container-buttons-navigation a button:focus-visible {
    outline: 3px solid var(--secondary-orange);
    outline-offset: 2px;
    box-shadow: 0 0 20px rgba(255, 149, 0, 0.3);
}

/* Reducir movimiento para usuarios con preferencias */
@media (prefers-reduced-motion: reduce) {
    .nav-button,
    .nav-button i,
    .container-buttons-navigation a button {
        transition: none;
    }
}

/* Print styles */
@media print {
    .navigation-wrapper,
    .container-buttons-navigation {
        display: none !important;
    }
}

/* ============================================
   TÍTULOS DE SECCIÓN
   ============================================ */
.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem) !important;
    font-weight: 700 !important;
    color: #F9FAFB !important;
    text-align: center;
    margin-bottom: 3rem !important;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--secondary-orange);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(255, 149, 0, 0.3);
}

.about-title {
    font-size: clamp(1.5rem, 3vw, 2rem) !important;
    font-weight: 700 !important;
    color: #F9FAFB !important;
    margin-bottom: 1.5rem !important;
    position: relative;
    padding-bottom: 0.75rem;
}

.about-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--secondary-orange);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(255, 149, 0, 0.3);
}

/* ============================================
   SECCIÓN QUIÉNES SOMOS
   ============================================ */
.about-section {
    padding: 4rem 0 !important;
    background: #0A0E1A;
}

.about-content {
    font-size: 16px;
    line-height: 1.7;
    color: #D1D5DB;
    margin-bottom: 2rem;
}

.about-image-wrapper {
    position: relative;
    height: 350px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 1px solid #374151;
}

.about-image-wrapper:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 149, 0, 0.3);
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.about-image-wrapper:hover .about-image {
    transform: scale(1.05);
}

.about-image-placeholder {
    width: 100%;
    height: 100%;
    background: #1F2937;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #9CA3AF;
    border-radius: var(--radius-lg);
    border: 1px solid #374151;
}

.about-image-placeholder i {
    font-size: 48px;
    margin-bottom: 15px;
    color: var(--secondary-orange);
}

.congress-info-subtle {
    border-top: 2px solid #374151;
    padding-top: 2rem;
    margin-top: 1.5rem;
}

.congress-info-items {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: flex-start;
}

.congress-info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: #242D3E;
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid #374151;
}

.congress-info-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--secondary-orange);
    background: #1F2937;
}

.congress-info-item i {
    color: var(--secondary-orange);
    font-size: 18px;
    width: 20px;
    text-align: center;
}

.congress-info-item span {
    font-weight: 600;
    color: #F9FAFB;
    font-size: 15px;
}

/* ============================================
   COUNTDOWN SECTION - DISEÑO ULTRA MODERNO
   ============================================ */
.countdown-section {
    padding: 5rem 0 !important;
    background: linear-gradient(135deg, #0A0E1A 0%, #111827 100%);
    position: relative;
    overflow: hidden;
}

.countdown-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg,
    transparent 0%,
    var(--secondary-orange) 50%,
    transparent 100%
    );
    animation: slideGradient 3s ease-in-out infinite;
}

@keyframes slideGradient {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}

.countdown-title-wrapper {
    text-align: center;
    margin-bottom: 3rem;
}

.countdown-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--secondary-orange), var(--secondary-orange-light));
    color: #ffffff;
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    box-shadow: 0 4px 16px rgba(255, 149, 0, 0.4), 0 0 20px rgba(255, 149, 0, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

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

.countdown-card-modern {
    background: #242D3E;
    border-radius: 24px;
    padding: 3.5rem 2.5rem !important;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid #374151;
    position: relative;
    overflow: hidden;
}

.countdown-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg,
    var(--secondary-orange) 0%,
    var(--secondary-orange-light) 100%
    );
}

.countdown-header-center {
    text-align: center;
    margin-bottom: 3rem;
}

.countdown-icon-modern {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-circle {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, var(--secondary-orange), var(--secondary-orange-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 2.5rem;
    box-shadow: 0 8px 24px rgba(255, 149, 0, 0.4), 0 0 20px rgba(255, 149, 0, 0.3);
    position: relative;
    z-index: 2;
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-8px);
    }
}

.icon-rings {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ring {
    position: absolute;
    border: 2px solid var(--secondary-orange);
    border-radius: 50%;
    opacity: 0;
    animation: ringExpand 3s ease-out infinite;
}

.ring-1 {
    animation-delay: 0s;
}

.ring-2 {
    animation-delay: 1s;
}

.ring-3 {
    animation-delay: 2s;
}

@keyframes ringExpand {
    0% {
        width: 90px;
        height: 90px;
        opacity: 0.8;
    }
    100% {
        width: 140px;
        height: 140px;
        opacity: 0;
    }
}

.countdown-main-message {
    color: #F9FAFB;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.countdown-sub-message {
    color: #D1D5DB;
    font-size: 17px;
    font-weight: 400;
    margin: 0;
}

.countdown-timer-modern {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin: 3rem 0;
    flex-wrap: wrap;
}

.time-block {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.time-circle {
    position: relative;
    width: 130px;
    height: 130px;
}

.time-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.time-bg {
    fill: none;
    stroke: #374151;
    stroke-width: 8;
}

.time-progress {
    fill: none;
    stroke: var(--secondary-orange);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 283;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 0.5s ease;
    filter: drop-shadow(0 0 8px rgba(255, 149, 0, 0.5));
}

.time-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.time-value {
    display: block;
    font-size: 2.75rem;
    font-weight: 900;
    color: #F9FAFB;
    line-height: 1;
    margin-bottom: 0.25rem;
    font-family: 'Courier New', monospace;
}

.time-label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: #9CA3AF;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.countdown-cta-modern {
    text-align: center;
    margin-top: 3rem;
}

.btn-register-now {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: transparent;
    border: none;
    text-decoration: none;
    cursor: pointer;
    overflow: hidden;
}

.btn-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-orange), var(--secondary-orange-light));
    border-radius: 50px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-content {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 1.25rem 3rem;
    color: #efefef;
    font-size: 17px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 1;
}

.btn-content i {
    display: none;
}

.btn-text {
    font-size: 17px;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.btn-register-now:hover .btn-bg {
    background: linear-gradient(135deg, var(--secondary-orange-light), var(--secondary-orange));
    transform: scale(1.05);
    box-shadow: 0 12px 32px rgba(255, 149, 0, 0.6), 0 0 30px rgba(255, 149, 0, 0.4);
}

.btn-register-now:active .btn-bg {
    transform: scale(0.98);
}

.cta-note {
    margin-top: 1.25rem;
    color: #D1D5DB;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.cta-note i {
    color: #10B981;
    font-size: 16px;
}

.countdown-expired {
    background: #1F2937;
    border: 2px solid #374151;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    margin: 1.25rem 0;
}

.countdown-expired h4 {
    color: #F9FAFB;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.countdown-expired p {
    color: #D1D5DB;
    font-size: 16px;
    margin: 0;
}

.countdown-expired i {
    color: var(--secondary-orange);
    margin-right: 10px;
}

/* ============================================
   FECHAS IMPORTANTES
   ============================================ */
.fechas-importantes-section {
    padding: 4rem 0 !important;
    background: #111827;
}

.fecha-card {
    background: #242D3E;
    border: 2px solid #374151;
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: var(--transition);
    height: 100%;
    box-shadow: var(--shadow-sm);
}

.fecha-card:hover {
    border-color: var(--secondary-orange);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(255, 149, 0, 0.3);
    transform: translateY(-6px);
}

.fecha-icon {
    width: 75px;
    height: 75px;
    background: var(--secondary-orange);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: #ffffff;
    font-size: 2rem;
    transition: var(--transition);
}

.fecha-card:hover .fecha-icon {
    background: var(--secondary-orange-dark);
    transform: scale(1.1) rotate(-5deg);
}

.fecha-title {
    color: #F9FAFB !important;
    font-weight: 700 !important;
    font-size: 16px;
    line-height: 1.4;
    margin: 0 0 1rem 0;
}

.fecha-description {
    color: #D1D5DB;
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

/* ============================================
   OBJETIVOS
   ============================================ */
.objetivos-section {
    padding: 4rem 0 !important;
    background: #0A0E1A;
}

.objetivos-container {
    max-width: 900px;
    margin: 0 auto;
}

.objetivo-item {
    display: flex;
    align-items: center;
    background: #242D3E;
    padding: 1.5rem 2rem;
    margin-bottom: 1.25rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-left: 4px solid var(--secondary-orange);
}

.objetivo-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
    border-left-width: 6px;
    background: #1F2937;
}

.objetivo-content {
    flex: 1;
    display: flex;
    align-items: center;
}

.objetivo-icon {
    width: 50px;
    height: 50px;
    background: var(--secondary-orange);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.25rem;
    color: #ffffff;
    font-size: 1.25rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-orange), 0 0 20px rgba(255, 149, 0, 0.3);
    transition: var(--transition);
}

.objetivo-item:hover .objetivo-icon {
    transform: scale(1.1) rotate(-8deg);
}

.objetivo-text h5 {
    color: #F9FAFB;
    font-weight: 600;
    margin-bottom: 0;
    font-size: 17px;
}

.objetivo-badge {
    background: var(--secondary-orange);
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-pill);
    font-weight: 700;
    font-size: 12px;
    text-align: center;
    min-width: 120px;
    margin-left: 2rem;
    box-shadow: var(--shadow-orange);
}

.objetivo-badge.general {
    background: #2D5A8F;
    box-shadow: 0 0 20px rgba(46, 90, 143, 0.3);
}

/* ============================================
   EJES TEMÁTICOS
   ============================================ */
.ejes-tematicos-section {
    padding: 4rem 0 !important;
    background: #111827;
}

.ejes-container {
    max-width: 900px;
    margin: 0 auto;
}

.accordion-item {
    background: #242D3E !important;
    border: 2px solid #374151 !important;
    border-radius: var(--radius-lg) !important;
    margin-bottom: 1rem !important;
    overflow: hidden;
    box-shadow: var(--shadow-sm) !important;
    transition: var(--transition) !important;
}

.accordion-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md) !important;
    border-color: var(--secondary-orange) !important;
}

.accordion-button {
    background: #242D3E !important;
    color: #F9FAFB !important;
    font-weight: 700 !important;
    font-size: 17px !important;
    padding: 1.5rem 1.75rem !important;
    border: none !important;
    display: flex !important;
    align-items: center !important;
    gap: 1rem !important;
    transition: var(--transition) !important;
    border-radius: var(--radius-lg) !important;
}

.accordion-button:not(.collapsed) {
    background: var(--secondary-orange) !important;
    color: #111827 !important;
}

.accordion-button:focus {
    box-shadow: none !important;
    border: none !important;
}

.accordion-button::after {
    background: none !important;
    content: '\f078';
    font-family: 'Font Awesome 5 Pro';
    font-weight: 900;
    font-size: 12px;
    transition: var(--transition);
    color: inherit;
    width: auto !important;
    height: auto !important;
    margin-left: auto;
}

.accordion-button:not(.collapsed)::after {
    transform: rotate(180deg);
}

.eje-icon {
    width: 50px !important;
    height: 50px !important;
    background: var(--secondary-orange) !important;
    border-radius: var(--radius-md) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: #ffffff !important;
    font-size: 1.25rem !important;
    flex-shrink: 0 !important;
    transition: var(--transition) !important;
}

.accordion-button:not(.collapsed) .eje-icon {
    background: rgba(255, 255, 255, 0.2) !important;
    backdrop-filter: blur(10px);
}

.eje-title {
    flex: 1;
    text-align: left;
    margin: 0;
}

.accordion-body {
    background: #1F2937 !important;
    padding: 0 !important;
}

.detalle-item {
    padding: 1.25rem 1.75rem !important;
    border-bottom: 1px solid #374151 !important;
    transition: var(--transition);
}

.detalle-item:hover {
    background: #242D3E;
    padding-left: 2.25rem !important;
}

.detalle-item:last-child {
    border-bottom: none !important;
}

.detalle-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.detalle-bullet {
    width: 8px;
    height: 8px;
    background: var(--secondary-orange);
    border-radius: 50%;
    flex-shrink: 0;
}

.detalle-text {
    font-size: 15px;
    color: #D1D5DB;
    margin: 0;
    line-height: 1.6;
}

.eje-number {
    background: var(--secondary-orange);
    color: #ffffff;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: 700;
    margin-left: auto;
}

.accordion-button:not(.collapsed) .eje-number {
    background: rgba(255, 255, 255, 0.2);
}

/* ============================================
   CRONOGRAMA - RESPONSIVE OPTIMIZADO
   ============================================ */
.cronograma-section {
    padding: 5rem 0 !important;
    background: #0A0E1A;
}

.cronograma-container {
    max-width: 900px;
    margin: 0 auto;
}

.cronograma-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #242D3E;
    padding: 1.75rem 2rem;
    margin-bottom: 1.25rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid #374151;
    border-left: 4px solid var(--secondary-orange);
    gap: 2rem;
}

.cronograma-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md), 0 0 20px rgba(255, 149, 0, 0.3);
    border-left-width: 6px;
    border-color: #4B5563;
    border-left-color: var(--secondary-orange);
    background: #1F2937;
}

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

.cronograma-content {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    min-width: 0;
}

.cronograma-icon {
    width: 50px;
    height: 50px;
    background: #2D5A8F;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.25rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm), 0 0 20px rgba(46, 90, 143, 0.3);
    transition: var(--transition);
}

.cronograma-item:hover .cronograma-icon {
    transform: scale(1.08);
    background: var(--secondary-orange);
}

.cronograma-text {
    flex: 1;
    min-width: 0;
}

.cronograma-text h5 {
    color: #F9FAFB;
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-size: 17px;
    line-height: 1.4;
}

.cronograma-text p {
    color: #D1D5DB;
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
}

.cronograma-date {
    background: var(--secondary-orange);
    color: #ffffff;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 14px;
    text-align: center;
    min-width: 180px;
    flex-shrink: 0;
    transition: var(--transition);
    white-space: nowrap;
}

.cronograma-item:hover .cronograma-date {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(255, 149, 0, 0.6), 0 0 30px rgba(255, 149, 0, 0.4);
}

/* ============================================
   INSCRIPCIONES - DISEÑO PREMIUM
   ============================================ */
.inscripciones-section {
    padding: 5rem 0 !important;
    background: #111827;
}

.inscripciones-title-wrapper {
    text-align: center;
    margin-bottom: 3.5rem;
}

.registration-card {
    background: #242D3E;
    border: 2px solid #374151;
    border-radius: 20px;
    padding: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.registration-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--secondary-orange), var(--secondary-orange-light));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.registration-card:hover {
    border-color: var(--secondary-orange);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6), 0 0 20px rgba(255, 149, 0, 0.3);
    transform: translateY(-8px);
}

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

.registration-header {
    padding: 2rem 2rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, #1F2937 0%, #242D3E 100%);
}

.registration-icon-box {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-orange), var(--secondary-orange-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: #ffffff;
    font-size: 2rem;
    box-shadow: 0 8px 24px rgba(255, 149, 0, 0.3), 0 0 20px rgba(255, 149, 0, 0.3);
    transition: all 0.4s ease;
}

.registration-card:hover .registration-icon-box {
    transform: translateY(-6px) rotate(-5deg) scale(1.08);
    box-shadow: 0 12px 32px rgba(255, 149, 0, 0.6), 0 0 30px rgba(255, 149, 0, 0.4);
}

.registration-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: #F9FAFB;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.registration-card:hover .registration-title {
    color: var(--secondary-orange);
}

.registration-description {
    color: #D1D5DB;
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

.registration-pricing {
    padding: 1rem;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.price-display {
    text-align: center;
    width: 100%;
}

.price-main {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.currency {
    font-size: 1rem;
    font-weight: 700;
    color: #9CA3AF;
    text-transform: uppercase;
}

.amount {
    font-size: 4rem;
    font-weight: 900;
    color: var(--secondary-orange);
    line-height: 1;
    letter-spacing: -0.03em;
    text-shadow: 0 0 20px rgba(255, 149, 0, 0.3);
}

.decimals {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-orange);
}

.price-period {
    color: #9CA3AF;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
}

.price-free {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 1.5rem 0;
}

.free-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #10B981, #059669);
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-size: 1.125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    animation: freePulse 2s ease-in-out infinite;
}

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

.free-badge i {
    font-size: 1.25rem;
}

.pricing-details {
    width: 100%;
}

.pricing-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    margin-bottom: 0.75rem;
    background: #1F2937;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.pricing-item:hover {
    background: #242D3E;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transform: translateX(4px);
}

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

.pricing-item-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.pricing-item-info i {
    color: var(--secondary-orange);
    font-size: 18px;
    flex-shrink: 0;
}

.pricing-item-name {
    font-size: 15px;
    font-weight: 600;
    color: #F9FAFB;
}

.pricing-item-value {
    flex-shrink: 0;
}

.price-amount {
    font-size: 18px;
    font-weight: 800;
    color: var(--secondary-orange);
}

.price-included {
    display: inline-block;
    background: #10B981;
    color: #ffffff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.registration-actions {
    padding: 2rem;
    background: #1F2937;
    text-align: center;
}

.btn-register {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0;
    background: transparent;
    border: none;
    text-decoration: none;
    cursor: pointer;
    overflow: hidden;
    margin-bottom: 1rem;
}

.btn-register-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-orange), var(--secondary-orange-light));
    border-radius: 50px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-register-content {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    padding: 1.125rem 2rem;
    color: #f6f6f6;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 1;
}

.btn-register:hover .btn-register-bg {
    background: linear-gradient(135deg, var(--secondary-orange-light), var(--secondary-orange));
    transform: scale(1.02);
    box-shadow: 0 10px 30px rgba(255, 149, 0, 0.5), 0 0 30px rgba(255, 149, 0, 0.4);
}

.btn-register-content i {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.btn-register:hover .btn-register-content i {
    transform: translateX(3px);
}

.spots-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: #D1D5DB;
    font-size: 14px;
    font-weight: 600;
}

.spots-info i {
    color: var(--secondary-orange);
    font-size: 16px;
}

.btn-register-disabled {
    width: 100%;
    padding: 1.125rem 2rem;
    background: #1F2937;
    color: #9CA3AF;
    border: 2px solid #374151;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: not-allowed;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    margin-bottom: 1rem;
}

.sold-out-text {
    color: #D1D5DB;
    font-size: 14px;
    margin: 0;
}

.already-registered-box {
    text-align: center;
}

.registered-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #10B981, #059669);
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 1rem;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.registered-badge i {
    font-size: 16px;
}

.registered-text {
    color: #D1D5DB;
    font-size: 14px;
    margin-bottom: 1.25rem;
}

.btn-view-events {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #2D5A8F;
    color: #ffffff;
    padding: 0.875rem 1.75rem;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(46, 90, 143, 0.2), 0 0 20px rgba(46, 90, 143, 0.3);
}

.btn-view-events:hover {
    background: #1E3A5F;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(46, 90, 143, 0.5), 0 0 30px rgba(46, 90, 143, 0.4);
}

.empty-registration-state {
    text-align: center;
    padding: 5rem 2rem;
    background: linear-gradient(135deg, #1F2937 0%, #242D3E 100%);
    border-radius: 24px;
    border: 2px dashed #4B5563;
}

.empty-icon-wrapper {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--secondary-orange), var(--secondary-orange-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: 0 8px 24px rgba(255, 149, 0, 0.3), 0 0 20px rgba(255, 149, 0, 0.3);
}

.empty-icon-wrapper i {
    font-size: 3rem;
    color: #ffffff;
}

.empty-title {
    font-size: 2rem;
    font-weight: 800;
    color: #F9FAFB;
    margin-bottom: 1rem;
}

.empty-message {
    font-size: 17px;
    color: #D1D5DB;
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.empty-action {
    margin-top: 2rem;
}

.btn-notify {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    background: var(--secondary-orange);
    color: #ffffff;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(255, 149, 0, 0.3), 0 0 20px rgba(255, 149, 0, 0.3);
}

.btn-notify:hover {
    background: var(--secondary-orange-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 149, 0, 0.6), 0 0 30px rgba(255, 149, 0, 0.4);
}

/* ============================================
   PARA AUTORES
   ============================================ */
.autores-section {
    padding: 4rem 0 !important;
    background: #0A0E1A;
}

.section-description {
    text-align: center;
    max-width: 900px;
    margin: 1rem auto 2.5rem;
    color: #D1D5DB;
    font-size: 16px;
    line-height: 1.7;
}

.autores-info-box {
    background: #242D3E;
    border: 2px solid var(--secondary-orange);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 2.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    box-shadow: var(--shadow-md);
}

.info-icon {
    flex-shrink: 0;
    width: 55px;
    height: 55px;
    background: var(--secondary-orange);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.5rem;
}

.info-content h5 {
    color: #F9FAFB;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.info-content p {
    color: #D1D5DB;
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

.recursos-subtitle {
    color: #F9FAFB;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

#autoresAccordion .accordion-item {
    background: #242D3E;
    border: 2px solid #374151;
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

#autoresAccordion .accordion-item:hover {
    border-color: var(--secondary-orange);
    box-shadow: var(--shadow-md);
}

#autoresAccordion .accordion-button {
    background: #242D3E;
    color: #F9FAFB;
    font-weight: 700;
    font-size: 16px;
    padding: 1.5rem 1.75rem;
    border: none;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

#autoresAccordion .accordion-button:not(.collapsed) {
    background: var(--secondary-orange);
    color: #111827;
}

.resumen-icon,
.poster-icon,
.presentacion-icon,
.articulo-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.resumen-icon {
    background: #3B82F6;
    color: #ffffff;
}

.poster-icon {
    background: #9b59b6;
    color: #ffffff;
}

.presentacion-icon {
    background: #EF4444;
    color: #ffffff;
}

.articulo-icon {
    background: #10B981;
    color: #ffffff;
}

#autoresAccordion .accordion-button:not(.collapsed) .resumen-icon,
#autoresAccordion .accordion-button:not(.collapsed) .poster-icon,
#autoresAccordion .accordion-button:not(.collapsed) .presentacion-icon,
#autoresAccordion .accordion-button:not(.collapsed) .articulo-icon {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.recurso-card {
    background: #242D3E;
    border: 2px solid #374151;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
}

.recurso-card:hover {
    border-color: var(--secondary-orange);
    box-shadow: var(--shadow-md);
    transform: translateY(-6px);
}

.recurso-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.recurso-icon {
    width: 48px;
    height: 48px;
    background: #1F2937;
    border: 2px solid var(--secondary-orange);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--secondary-orange);
    transition: var(--transition);
}

.recurso-card:hover .recurso-icon {
    background: var(--secondary-orange);
    color: #ffffff;
    transform: rotate(-8deg) scale(1.08);
}

.badge-format {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-format.docx {
    background: rgba(43, 87, 154, 0.2);
    color: #6BA3FF;
    border: 1px solid #6BA3FF;
}

.badge-format.pdf {
    background: rgba(211, 47, 47, 0.2);
    color: #FF6B6B;
    border: 1px solid #FF6B6B;
}

.badge-format.pptx {
    background: rgba(208, 68, 36, 0.2);
    color: #FF8A65;
    border: 1px solid #FF8A65;
}

.recurso-title {
    color: #F9FAFB;
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.recurso-description {
    color: #D1D5DB;
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    background: var(--secondary-orange);
    color: #ffffff;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    transition: var(--transition);
}

.btn-download:hover {
    background: var(--secondary-orange-dark);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 149, 0, 0.5), 0 0 30px rgba(255, 149, 0, 0.4);
}

/* ============================================
   COMITÉS
   ============================================ */
.comites-section {
    padding: 4rem 0 !important;
    background: #111827;
}

.comite-item {
    background: #242D3E;
    border: 2px solid #374151;
    border-radius: var(--radius-lg);
    padding: 2.5rem 0;
    margin-bottom: 2.5rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.comite-item:hover {
    border-color: var(--secondary-orange);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.comite-header {
    text-align: center;
    margin-bottom: 2.5rem;
    padding: 0 2.5rem;
}

.comite-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #F9FAFB;
    margin: 0 0 0.75rem 0;
}

.comite-subtitle {
    color: #D1D5DB;
    font-size: 15px;
    margin: 0;
}

.miembros-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    padding: 0 2.5rem;
}

.miembro-card {
    text-align: center;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.miembro-card:hover {
    background: #1F2937;
    transform: translateY(-6px);
    box-shadow: var(--shadow-sm);
}

.miembro-avatar {
    width: 75px;
    height: 75px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 1rem;
    border: 3px solid #374151;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.miembro-card:hover .miembro-avatar {
    transform: scale(1.1);
    border-color: var(--secondary-orange);
}

.miembro-foto {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.miembro-avatar-placeholder {
    width: 100%;
    height: 100%;
    background: var(--secondary-orange);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.75rem;
    font-weight: 700;
}

.miembro-nombre {
    font-size: 16px;
    font-weight: 700;
    color: #F9FAFB;
    margin: 0 0 0.5rem 0;
    line-height: 1.3;
}

.miembro-cargo {
    font-size: 14px;
    color: var(--secondary-orange);
    font-weight: 600;
    margin: 0 0 0.5rem 0;
}

.miembro-universidad {
    font-size: 13px;
    color: #D1D5DB;
    margin: 0;
    line-height: 1.4;
}

.comite-divider {
    width: 100px;
    height: 2px;
    background: #4B5563;
    margin: 3rem auto;
    border-radius: 1px;
}

.empty-state {
    text-align: center;
    padding: 4rem 2.5rem;
    color: #9CA3AF;
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1.25rem;
    opacity: 0.3;
}

.empty-state p {
    margin: 0;
    font-size: 16px;
}

/* ============================================
   BANNER SECTION
   ============================================ */
.banner-section {
    padding: 2.5rem 1.25rem;
    background: #111827;
    display: flex;
    justify-content: center;
    align-items: center;
}

.banner-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.banner-section img {
    width: 100%;
    height: auto;
    max-height: 450px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 1px solid #374151;
}

.banner-section img:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 149, 0, 0.3);
}

/* ============================================
   MULTIMEDIA SECTION
   ============================================ */
.course-media-section {
    margin-bottom: 2.5rem;
    background: #242D3E;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
}

.main-media-container {
    margin-bottom: 2rem;
    position: relative;
}

.main-media-img {
    border-radius: var(--radius-md);
    object-fit: cover;
    height: auto;
    width: 100%;
    max-height: 500px;
    transition: var(--transition);
}

.media-caption {
    margin-top: 1rem;
    font-size: 14px;
    color: #D1D5DB;
    text-align: center;
}

.video-container {
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.video-container:hover {
    transform: scale(1.02);
}

.video-thumbnail-overlay {
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.play-button-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(10, 14, 26, 0.3);
    transition: var(--transition);
}

.video-container:hover .play-button-overlay {
    background-color: rgba(10, 14, 26, 0.8);
}

.play-button {
    width: 75px;
    height: 75px;
    background: var(--secondary-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    transition: var(--transition);
}

.video-container:hover .play-button {
    transform: scale(1.15);
    box-shadow: 0 8px 24px rgba(255, 149, 0, 0.6), 0 0 30px rgba(255, 149, 0, 0.4);
}

.placeholder-thumbnail {
    background-color: #1F2937;
    min-height: 250px;
    width: 100%;
    position: relative;
}

.youtube-thumbnail {
    min-height: 350px;
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-md);
}

.youtube-thumbnail-small {
    min-height: 150px;
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-md);
}

.minim-carousel-container {
    margin-top: 1.5rem;
}

.minim-carousel-title {
    font-size: 16px;
    margin-bottom: 1.25rem;
    color: #F9FAFB;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #374151;
}

.minim-media-carousel {
    display: flex;
    flex-wrap: nowrap;
    gap: 1rem;
}

.minim-media-item {
    flex: 0 0 calc(25% - 0.75rem);
    position: relative;
    pointer-events: auto !important;
}

.minim-square-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 100%;
    overflow: hidden;
    border-radius: var(--radius-md);
    background-color: #1F2937;
    box-shadow: var(--shadow-sm);
    display: block;
    text-decoration: none;
    cursor: pointer !important;
    z-index: 9 !important;
    pointer-events: auto !important;
    transition: var(--transition);
}

.minim-square-wrapper:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.minim-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.minim-youtube-thumb {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: var(--transition);
}

.minim-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(10, 14, 26, 0);
    opacity: 0;
    transition: var(--transition);
    border-radius: var(--radius-md);
}

.minim-square-wrapper:hover .minim-overlay {
    background-color: rgba(10, 14, 26, 0.8);
    opacity: 1;
}

.minim-square-wrapper:hover .minim-thumbnail,
.minim-square-wrapper:hover .minim-youtube-thumb {
    transform: scale(1.08);
}

.minim-icon {
    color: white;
    font-size: 2rem;
    transform: translateY(10px);
    opacity: 0;
    transition: var(--transition);
    filter: drop-shadow(0 0 8px rgba(0, 0, 0, 0.5));
}

.minim-square-wrapper:hover .minim-icon {
    transform: translateY(0);
    opacity: 1;
}

.minim-video-indicator {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: rgba(17, 24, 39, 0.9);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
}

.minim-video-indicator i {
    font-size: 12px;
}

.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: #242D3E;
}

.modal-header {
    border-bottom: 1px solid #374151;
    background-color: #1F2937;
}

.modal-title {
    color: #F9FAFB;
    font-weight: 600;
}

.modal-body {
    background: #242D3E;
}

/* ============================================
   BOTÓN FLOTANTE
   ============================================ */
.floating-btn-text {
    position: fixed;
    bottom: 2rem;
    right: 5rem;
    background: var(--secondary-orange);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-pill);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    padding: 1rem 1.75rem;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    transition: var(--transition);
    z-index: 999;
    animation: floatPulseDark 2.5s ease-in-out infinite;
}

@keyframes floatPulseDark {
    0%, 100% {
        box-shadow: 0 6px 20px rgba(255, 149, 0, 0.4), 0 0 20px rgba(255, 149, 0, 0.2);
        transform: translateY(0);
    }
    50% {
        box-shadow: 0 10px 30px rgba(255, 149, 0, 0.6), 0 0 30px rgba(255, 149, 0, 0.3);
        transform: translateY(-4px);
    }
}

.floating-btn-text:hover {
    background: var(--secondary-orange-dark);
    color: #ffffff;
    transform: translateY(-6px) scale(1.05);
    box-shadow: 0 12px 32px rgba(255, 149, 0, 0.6), 0 0 30px rgba(255, 149, 0, 0.4);
    animation: none;
}

.floating-btn-text i {
    animation: blinkIcon 1.5s ease-in-out infinite;
    font-size: 16px;
}

@keyframes blinkIcon {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
}

.floating-btn-text.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(100px);
}

/* ============================================
   RESPONSIVE DESIGN - MOBILE FIRST
   ============================================ */

/* Desktop grande (1200px+) */
@media (min-width: 1200px) {
    .container-buttons-navigation {
        padding: 1.75rem 0;
    }

    .buttons-scroll-container {
        gap: 1rem;
    }

    .nav-button {
        padding: 0.875rem 1.75rem;
        font-size: 15px;
    }

    .nav-button i {
        font-size: 15px;
    }

    .countdown-timer-modern {
        gap: 2.5rem;
    }

    .time-circle {
        width: 140px;
        height: 140px;
    }

    .time-value {
        font-size: 3rem;
    }
}

/* Desktop (992px - 1199px) */
@media (min-width: 992px) and (max-width: 1199px) {
    .buttons-scroll-container {
        gap: 0.75rem;
    }

    .nav-button {
        padding: 0.75rem 1.5rem;
        font-size: 14px;
    }

    .countdown-timer-modern {
        gap: 2rem;
    }

    .time-circle {
        width: 130px;
        height: 130px;
    }

    .time-value {
        font-size: 2.75rem;
    }
}

/* Tablet landscape (768px - 991px) */
@media (max-width: 991px) {
    .site-breadcrumb {
        padding: 80px 0 60px !important;
        min-height: 300px;
    }

    .container-buttons-navigation {
        padding: 1.25rem 0;
    }

    .buttons-scroll-container {
        gap: 0.625rem;
    }

    .nav-button {
        padding: 0.625rem 1.25rem;
        font-size: 13px;
    }

    .nav-button i {
        font-size: 13px;
    }

    .cronograma-section,
    .countdown-section {
        padding: 4rem 0 !important;
    }

    .cronograma-item {
        padding: 1.5rem 1.75rem;
        gap: 1.5rem;
    }

    .cronograma-date {
        min-width: 160px;
        padding: 0.875rem 1.25rem;
        font-size: 13px;
    }

    .cronograma-icon {
        width: 48px;
        height: 48px;
        font-size: 1.125rem;
    }

    .cronograma-text h5 {
        font-size: 16px;
    }

    .countdown-timer-modern {
        gap: 1.5rem;
    }

    .time-circle {
        width: 110px;
        height: 110px;
    }

    .time-value {
        font-size: 2.25rem;
    }

    .time-label {
        font-size: 11px;
    }
}

/* Tablet portrait (768px) */
@media (max-width: 768px) {
    .site-breadcrumb {
        padding: 60px 0 40px !important;
        min-height: 250px;
    }

    .breadcrumb-title {
        font-size: clamp(1.5rem, 6vw, 2.5rem) !important;
        margin-bottom: 1rem !important;
    }

    .breadcrumb-menu {
        flex-direction: column;
        gap: 0.5rem !important;
    }

    .breadcrumb-menu li::before {
        display: none !important;
    }

    .navigation-wrapper {
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
    }

    .container-buttons-navigation {
        padding: 1rem 0;
        overflow-x: visible;
    }

    .buttons-scroll-container {
        justify-content: flex-start;
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        gap: 0.625rem;
        padding: 0.5rem 1rem;
        margin: 0 -1rem;
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .buttons-scroll-container::-webkit-scrollbar {
        display: none;
    }

    .nav-button {
        padding: 0.625rem 1.125rem;
        font-size: 13px;
        flex-shrink: 0;
    }

    .nav-button i {
        font-size: 12px;
    }

    .container-buttons-navigation::before,
    .container-buttons-navigation::after {
        content: '';
        position: absolute;
        top: 0;
        bottom: 0;
        width: 30px;
        pointer-events: none;
        z-index: 5;
    }

    .container-buttons-navigation::before {
        left: 0;
        background: linear-gradient(to right, #111827, transparent);
    }

    .container-buttons-navigation::after {
        right: 0;
        background: linear-gradient(to left, #111827, transparent);
    }

    .about-section,
    .cronograma-section,
    .objetivos-section,
    .fechas-importantes-section,
    .ejes-tematicos-section,
    .inscripciones-section,
    .autores-section,
    .comites-section,
    .countdown-section {
        padding: 3rem 0 !important;
    }

    .about-image-wrapper {
        height: 280px;
        margin-bottom: 2rem;
    }

    .congress-info-items {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .congress-info-item {
        justify-content: center;
        padding: 0.75rem 1rem;
    }

    .cronograma-item,
    .objetivo-item {
        flex-direction: column;
        align-items: stretch;
        padding: 1.5rem 1.5rem;
        gap: 1.25rem;
        text-align: center;
    }

    .cronograma-content {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        text-align: center;
    }

    .cronograma-icon,
    .objetivo-icon {
        width: 50px;
        height: 50px;
        margin: 0;
    }

    .cronograma-text {
        text-align: center;
        width: 100%;
    }

    .cronograma-text h5 {
        font-size: 16px;
        margin-bottom: 0.375rem;
    }

    .cronograma-text p {
        font-size: 14px;
    }

    .cronograma-date,
    .objetivo-badge {
        margin-right: 0;
        margin-left: 0;
        margin-bottom: 0;
        min-width: auto;
        width: 100%;
        padding: 0.875rem 1.25rem;
        font-size: 14px;
    }

    .cronograma-item:hover {
        transform: translateX(0) translateY(-4px);
    }

    .countdown-section,
    .inscripciones-section {
        padding: 3.5rem 0 !important;
    }

    .countdown-title-wrapper {
        margin-bottom: 2.5rem;
    }

    .countdown-card-modern {
        padding: 2.5rem 1.75rem !important;
    }

    .countdown-icon-modern {
        width: 100px;
        height: 100px;
        margin-bottom: 1.5rem;
    }

    .icon-circle {
        width: 75px;
        height: 75px;
        font-size: 2rem;
    }

    .countdown-main-message {
        font-size: clamp(1.5rem, 5vw, 2rem);
        margin-bottom: 0.5rem;
    }

    .countdown-sub-message {
        font-size: 15px;
    }

    .countdown-header-center {
        margin-bottom: 2.5rem;
    }

    .countdown-timer-modern {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        max-width: 400px;
        margin: 2.5rem auto;
    }

    .time-circle {
        width: 120px;
        height: 120px;
        margin: 0 auto;
    }

    .time-value {
        font-size: 2.5rem;
    }

    .time-label {
        font-size: 11px;
    }

    .countdown-cta-modern {
        margin-top: 2.5rem;
    }

    .btn-content {
        padding: 1.125rem 2.5rem;
        font-size: 16px;
    }

    .btn-text {
        font-size: 16px;
    }

    .fecha-card {
        padding: 2rem 1.5rem;
        margin-bottom: 1.25rem;
    }

    .fecha-icon {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
        margin-bottom: 1.25rem;
    }

    .registration-card {
        margin-bottom: 2rem;
    }

    .registration-icon-box {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }

    .amount {
        font-size: 3rem;
    }

    .decimals {
        font-size: 1.5rem;
    }

    .miembros-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 1.5rem;
        padding: 0 1.5rem;
    }

    .autores-info-box {
        flex-direction: column;
        padding: 1.5rem;
    }

    .floating-btn-text {
        bottom: 1.5rem;
        right: 1.5rem;
        padding: 0.875rem 1.5rem;
        font-size: 14px;
    }

    .banner-section {
        padding: 1.5rem 1rem;
    }

    .banner-section img {
        max-height: 250px;
    }
}

/* Mobile grande (576px - 767px) */
@media (max-width: 576px) {
    .site-breadcrumb {
        padding: 50px 0 30px !important;
        min-height: 200px;
    }

    .container-buttons-navigation {
        padding: 0.875rem 0;
    }

    .buttons-scroll-container {
        gap: 0.5rem;
        padding: 0.5rem 0.75rem;
        margin: 0 -0.75rem;
    }

    .nav-button {
        padding: 0.5rem 1rem;
        font-size: 12px;
    }

    .nav-button i {
        font-size: 11px;
    }

    .button-text {
        font-size: 12px;
    }

    .cronograma-section,
    .countdown-section,
    .inscripciones-section {
        padding: 3rem 0 !important;
    }

    .cronograma-container {
        padding: 0 0.5rem;
    }

    .cronograma-item {
        padding: 1.25rem 1.25rem;
        margin-bottom: 1rem;
        gap: 1rem;
        border-radius: var(--radius-md);
    }

    .cronograma-icon {
        width: 45px;
        height: 45px;
        font-size: 1.125rem;
    }

    .cronograma-text h5 {
        font-size: 15px;
        margin-bottom: 0.375rem;
    }

    .cronograma-text p {
        font-size: 13px;
        line-height: 1.5;
    }

    .cronograma-date {
        padding: 0.75rem 1rem;
        font-size: 13px;
        border-radius: var(--radius-sm);
    }

    .countdown-badge {
        font-size: 11px;
        padding: 5px 16px;
    }

    .countdown-card-modern {
        padding: 2rem 1.5rem !important;
        border-radius: 20px;
    }

    .countdown-icon-modern {
        width: 90px;
        height: 90px;
        margin-bottom: 1.25rem;
    }

    .icon-circle {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }

    .countdown-main-message {
        font-size: clamp(1.25rem, 6vw, 1.75rem);
        margin-bottom: 0.5rem;
    }

    .countdown-sub-message {
        font-size: 14px;
    }

    .countdown-header-center {
        margin-bottom: 2rem;
    }

    .countdown-timer-modern {
        gap: 1.25rem;
        max-width: 350px;
        margin: 2rem auto;
    }

    .time-circle {
        width: 100px;
        height: 100px;
    }

    .time-value {
        font-size: 2rem;
    }

    .time-label {
        font-size: 10px;
    }

    .countdown-cta-modern {
        margin-top: 2rem;
    }

    .btn-content {
        padding: 1rem 2rem;
        font-size: 15px;
    }

    .btn-text {
        font-size: 15px;
    }

    .registration-header {
        padding: 2rem 1.5rem 1.5rem;
    }

    .registration-pricing {
        padding: 1.5rem;
    }

    .registration-actions {
        padding: 1.5rem;
    }

    .amount {
        font-size: 2.5rem;
    }

    .free-badge {
        padding: 0.625rem 1.25rem;
        font-size: 1rem;
    }

    .free-badge i {
        font-size: 1.125rem;
    }

    .pricing-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .pricing-item-value {
        align-self: flex-end;
    }

    .miembros-grid {
        grid-template-columns: 1fr;
        padding: 0 1.25rem;
    }

    .miembro-avatar {
        width: 70px;
        height: 70px;
    }

    .floating-btn-text {
        bottom: 9rem;
        right: 1.6rem;
        padding: 0.75rem 1.25rem;
        font-size: 13px;
    }

    .floating-btn-text span {
        display: none;
    }

    .floating-btn-text {
        border-radius: 50%;
        width: 56px;
        height: 56px;
        padding: 0;
    }

    .floating-btn-text i {
        margin: 0;
        font-size: 20px;
    }

    .banner-section img {
        max-height: 180px;
    }
}

/* Mobile pequeño (≤400px) */
@media (max-width: 400px) {
    .container-buttons-navigation {
        padding: 0.75rem 0;
    }

    .buttons-scroll-container {
        gap: 0.375rem;
        padding: 0.375rem 0.625rem;
    }

    .nav-button {
        padding: 0.5rem 0.875rem;
        font-size: 11px;
    }

    .nav-button i {
        font-size: 10px;
    }

    .cronograma-section,
    .countdown-section,
    .inscripciones-section {
        padding: 2.5rem 0 !important;
    }

    .cronograma-item {
        padding: 1rem 1rem;
        margin-bottom: 0.875rem;
        gap: 0.875rem;
    }

    .cronograma-icon {
        width: 42px;
        height: 42px;
        font-size: 1rem;
    }

    .cronograma-text h5 {
        font-size: 14px;
        margin-bottom: 0.25rem;
        line-height: 1.3;
    }

    .cronograma-text p {
        font-size: 12px;
        line-height: 1.4;
    }

    .cronograma-date {
        padding: 0.625rem 0.875rem;
        font-size: 12px;
    }

    .countdown-card-modern {
        padding: 1.75rem 1.25rem !important;
    }

    .countdown-icon-modern {
        width: 80px;
        height: 80px;
        margin-bottom: 1rem;
    }

    .icon-circle {
        width: 65px;
        height: 65px;
        font-size: 1.5rem;
    }

    .countdown-main-message {
        font-size: clamp(1.125rem, 7vw, 1.5rem);
    }

    .countdown-sub-message {
        font-size: 13px;
    }

    .countdown-header-center {
        margin-bottom: 1.75rem;
    }

    .countdown-timer-modern {
        gap: 1rem;
        max-width: 300px;
        margin: 1.75rem auto;
    }

    .time-circle {
        width: 85px;
        height: 85px;
    }

    .time-svg {
        stroke-width: 6;
    }

    .time-bg,
    .time-progress {
        stroke-width: 6;
    }

    .time-value {
        font-size: 1.75rem;
    }

    .time-label {
        font-size: 9px;
        letter-spacing: 0.05em;
    }

    .countdown-cta-modern {
        margin-top: 1.75rem;
    }

    .btn-time {
        display: none;
    }

    .btn-content {
        padding: 0.875rem 1.75rem;
        font-size: 14px;
    }

    .btn-text {
        font-size: 14px;
        letter-spacing: 0.05em;
    }

    .registration-header {
        padding: 2rem 1.5rem 1.5rem;
    }

    .registration-pricing {
        padding: 1.5rem;
    }

    .registration-actions {
        padding: 1.5rem;
    }

    .amount {
        font-size: 2.5rem;
    }

    .free-badge {
        padding: 0.625rem 1.25rem;
        font-size: 1rem;
    }

    .free-badge i {
        font-size: 1.125rem;
    }

    .pricing-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .pricing-item-value {
        align-self: flex-end;
    }
}

/* Mobile extremo (≤360px) */
@media (max-width: 360px) {
    .button-text {
        display: none;
    }

    .nav-button {
        padding: 0.625rem;
        width: 40px;
        height: 40px;
        gap: 0;
    }

    .nav-button i {
        font-size: 16px;
        margin: 0;
    }

    .countdown-card-modern {
        padding: 1.5rem 1rem !important;
    }

    .countdown-timer-modern {
        gap: 0.875rem;
        max-width: 280px;
    }

    .time-circle {
        width: 75px;
        height: 75px;
    }

    .time-value {
        font-size: 1.5rem;
    }

    .time-label {
        font-size: 8px;
    }

    .btn-content {
        padding: 0.75rem 1.5rem;
        font-size: 13px;
    }

    .btn-text {
        font-size: 13px;
    }
}

/* ============================================
   UTILIDADES Y ANIMACIONES
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.animate-on-scroll {
    animation: slideInUp 0.6s ease-out;
}

.cronograma-item {
    animation: slideInFromLeft 0.5s ease-out;
    animation-fill-mode: both;
}

.cronograma-item:nth-child(1) {
    animation-delay: 0s;
}

.cronograma-item:nth-child(2) {
    animation-delay: 0.1s;
}

.cronograma-item:nth-child(3) {
    animation-delay: 0.2s;
}

.cronograma-item:nth-child(4) {
    animation-delay: 0.3s;
}

.cronograma-item:nth-child(5) {
    animation-delay: 0.4s;
}

.cronograma-item:nth-child(n+6) {
    animation-delay: 0.5s;
}

.registration-card {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.registration-card:nth-child(1) {
    animation-delay: 0s;
}

.registration-card:nth-child(2) {
    animation-delay: 0.1s;
}

.registration-card:nth-child(3) {
    animation-delay: 0.15s;
}

.registration-card:nth-child(4) {
    animation-delay: 0.2s;
}

/* Scroll suave */
html {
    scroll-behavior: smooth;
}

/* Scrollbar dark mode */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #111827;
}

::-webkit-scrollbar-thumb {
    background: #4B5563;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-orange);
}

/* Selection color */
::selection {
    background: rgba(255, 149, 0, 0.3);
    color: #F9FAFB;
}

/* Accesibilidad */
*:focus-visible {
    outline: 3px solid var(--secondary-orange);
    outline-offset: 2px;
    box-shadow: 0 0 20px rgba(255, 149, 0, 0.3);
}

/* Touch feedback */
@media (hover: none) {
    .nav-button {
        -webkit-tap-highlight-color: rgba(255, 149, 0, 0.1);
    }

    .nav-button:active {
        background: var(--secondary-orange);
        color: #111827;
    }

    .cronograma-item {
        min-height: 44px;
        cursor: default;
    }

    .cronograma-item * {
        -webkit-tap-highlight-color: rgba(255, 149, 0, 0.1);
    }
}

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

    .countdown-badge,
    .icon-circle,
    .ring,
    .btn-bg,
    .nav-button,
    .nav-button i,
    .scroll-indicator {
        animation: none;
        transition: none;
    }

    .buttons-scroll-container {
        scroll-behavior: auto;
    }
}

/* Optimización */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

.countdown-card-modern,
.time-circle,
.cronograma-item,
.cronograma-icon,
.cronograma-date {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Print */
@media print {
    body {
        background: #ffffff !important;
        color: #000000 !important;
    }

    .floating-btn-text,
    .container-buttons-navigation,
    .navigation-wrapper {
        display: none !important;
    }

    .countdown-section,
    .cronograma-section {
        padding: 2rem 0 !important;
        background: #ffffff !important;
    }

    .countdown-section::before {
        display: none;
    }

    .countdown-badge,
    .ring {
        animation: none;
    }

    .cronograma-item {
        page-break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #000 !important;
        background: #ffffff !important;
    }

    .cronograma-item:hover {
        transform: none;
    }

    .cronograma-icon,
    .cronograma-date {
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }
}