/* ============================================
   DANZARTE 30 AÑOS - ESTILOS CSS
   Mobile-First Responsive Design
   ============================================ */

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

:root {
    /* Paleta de Colores */
    --color-green-dark: #0d3d2f;
    --color-gold: #d4af37;
    --color-white: #ffffff;
    --color-overlay: rgba(13, 61, 47, 0.85);
    --color-card-bg: rgba(13, 61, 47, 0.7);

    /* Tipografía */
    --font-serif: 'Georgia', 'Times New Roman', serif;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;

    /* Transiciones */
    --transition-speed: 0.3s;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-white);
    background-color: var(--color-green-dark);
    background-image: url('../img/fondo-verde-oscuro.png');
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--color-gold);
    color: var(--color-green-dark);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed);
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #e8c050;
    transform: translateY(-3px);
}

.back-to-top:active {
    transform: translateY(-1px);
}

/* ============================================
   SECTION 1: HERO
   ============================================ */
.hero-section {
    padding: var(--spacing-lg) 0;
}

.hero-poster {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
    padding: 0 var(--spacing-sm);
}

.poster-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    display: block;
}

.hero-info {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.event-details {
    background: var(--color-card-bg);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.detail-item {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    font-size: clamp(0.9rem, 2vw, 1.1rem);
}

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

.detail-item .icon {
    margin-right: var(--spacing-xs);
    font-size: 1.2em;
}

.detail-item small {
    font-size: 0.85em;
    opacity: 0.9;
}

/* ============================================
   SECTION 2: BIENVENIDA
   ============================================ */
.welcome-section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-gold);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.welcome-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-card-bg);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.welcome-photo {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.claudia-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--color-gold);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.welcome-text {
    font-family: var(--font-serif);
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.welcome-signature {
    text-align: center;
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    margin-top: var(--spacing-lg);
}

.welcome-signature strong {
    color: var(--color-gold);
    font-size: 1.1em;
}

.welcome-signature em {
    opacity: 0.9;
}

/* ============================================
   SECTION 3: ELENCO ARTÍSTICO
   ============================================ */
.cast-section {
    padding: var(--spacing-xxl) 0;
}

.cast-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.cast-card {
    background: var(--color-card-bg);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-speed);
}

.cast-card:hover {
    transform: translateY(-5px);
}

.cast-card.featured {
    background: rgba(212, 175, 55, 0.15);
    border: 2px solid var(--color-gold);
}

.cast-title {
    font-family: var(--font-serif);
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.cast-subtitle {
    font-style: italic;
    font-size: clamp(1rem, 2vw, 1.2rem);
    margin-bottom: var(--spacing-sm);
    opacity: 0.95;
}

.cast-description {
    font-size: clamp(0.9rem, 1.8vw, 1.05rem);
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.cast-members {
    font-size: clamp(0.85rem, 1.6vw, 1rem);
    line-height: 1.7;
    opacity: 0.85;
}

.cast-closing {
    text-align: center;
    font-family: var(--font-serif);
    font-size: clamp(1rem, 2vw, 1.2rem);
    font-style: italic;
    color: var(--color-gold);
    max-width: 700px;
    margin: var(--spacing-xl) auto 0;
}

/* ============================================
   SECTION 4: PROGRAMA DE GALA
   ============================================ */
.program-section {
    padding: var(--spacing-xxl) 0;
}

.program-block {
    margin-bottom: var(--spacing-xxl);
    background: var(--color-card-bg);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.narrator-text {
    background: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-lg);
    border-radius: 8px;
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--color-gold);
}

.narrator-icon {
    font-size: 2rem;
    display: block;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.narrator-text p {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.narrator-text p:last-child {
    margin-bottom: 0;
}

.program-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.program-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
    transition: background var(--transition-speed);
}

.program-item:hover {
    background: rgba(0, 0, 0, 0.35);
}

.program-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background-color: var(--color-gold);
    color: var(--color-green-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1rem;
}

.program-details h4 {
    font-family: var(--font-serif);
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-gold);
    margin-bottom: 0.25rem;
}

.program-details p {
    font-size: clamp(0.85rem, 1.8vw, 1rem);
    opacity: 0.9;
    margin: 0.1rem 0;
}

.program-credits {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    text-align: center;
}

.program-credits p {
    margin-bottom: var(--spacing-xs);
    font-size: clamp(0.9rem, 1.8vw, 1.05rem);
}

.program-credits p:last-child {
    margin-bottom: 0;
}

.program-credits strong {
    color: var(--color-gold);
}

/* ============================================
   SECTION 5: LÍNEA DE TIEMPO
   ============================================ */
.timeline-section {
    padding: var(--spacing-xxl) 0;
}

.timeline-subtitle {
    text-align: center;
    font-size: clamp(1rem, 2vw, 1.2rem);
    font-style: italic;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

/* Mobile: Timeline vertical */
.timeline-container {
    position: relative;
    padding: var(--spacing-lg) 0 var(--spacing-lg) var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.timeline-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 20px;
    width: 2px;
    background-color: var(--color-gold);
    z-index: 0;
}

.timeline-item {
    position: relative;
    text-align: left;
    z-index: 1;
    padding-left: var(--spacing-lg);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 8px;
    width: 16px;
    height: 16px;
    background-color: var(--color-gold);
    border-radius: 50%;
    border: 3px solid var(--color-green-dark);
    z-index: 1;
}

.timeline-year {
    display: inline-block;
    background-color: var(--color-gold);
    color: var(--color-green-dark);
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    font-weight: bold;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    margin-bottom: var(--spacing-sm);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.timeline-content {
    background: var(--color-card-bg);
    padding: var(--spacing-md);
    border-radius: 8px;
    font-size: clamp(0.9rem, 1.8vw, 1.05rem);
    line-height: 1.6;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* ============================================
   SECTION 6: EQUIPO
   ============================================ */
.team-section {
    padding: var(--spacing-xxl) 0;
}

.team-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.team-card {
    background: var(--color-card-bg);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    text-align: center;
    transition: transform var(--transition-speed);
}

.team-card:hover {
    transform: translateY(-5px);
}

.team-role {
    font-family: var(--font-serif);
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
}

.team-members {
    font-size: clamp(0.9rem, 1.8vw, 1.1rem);
    line-height: 1.8;
}

/* ============================================
   SECTION 7: VIDEO
   ============================================ */
.video-section {
    padding: var(--spacing-xxl) 0;
}

.video-subtitle {
    text-align: center;
    font-size: clamp(1rem, 2vw, 1.2rem);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.videos-grid {
    display: grid;
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.video-item {
    background: var(--color-card-bg);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-speed);
}

.video-item:hover {
    transform: translateY(-5px);
}

.video-title {
    font-family: var(--font-serif);
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    color: var(--color-gold);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 8px;
}

.video-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 8px;
    object-fit: contain;
}

/* Mejora de controles en móvil */
.video-wrapper video::-webkit-media-controls-panel {
    background-image: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
}

.video-wrapper video::-webkit-media-controls-play-button {
    transform: scale(1.2);
}

.video-wrapper video::-webkit-media-controls-fullscreen-button {
    transform: scale(1.2);
}

/* ============================================
   SECTION 8: CIERRE / BRINDIS
   ============================================ */
.toast-section {
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.toast-text {
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.toast-cta {
    font-size: clamp(1.1rem, 2.2vw, 1.4rem);
    font-weight: bold;
    color: var(--color-gold);
}

/* ============================================
   SECTION 9: FOOTER
   ============================================ */
.footer {
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    text-align: center;
    border-top: 2px solid var(--color-gold);
    margin-top: var(--spacing-xxl);
}

.footer-main-logo {
    margin-bottom: var(--spacing-xl);
}

.danzarte-logo {
    max-width: 250px;
    width: 100%;
    height: auto;
    opacity: 0.95;
    transition: opacity var(--transition-speed);
}

.danzarte-logo:hover {
    opacity: 1;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.social-icon {
    width: 50px;
    height: 50px;
    transition: transform var(--transition-speed), opacity var(--transition-speed);
    opacity: 0.9;
}

.social-icon:hover {
    transform: scale(1.15);
    opacity: 1;
}

.footer-contact {
    margin-bottom: var(--spacing-xl);
    font-size: clamp(0.9rem, 1.8vw, 1.05rem);
}

.footer-contact a {
    color: var(--color-gold);
    text-decoration: none;
    transition: opacity var(--transition-speed);
}

.footer-contact a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.footer-contact .separator {
    margin: 0 var(--spacing-sm);
    opacity: 0.5;
}

.footer-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.experience-logo {
    max-width: 150px;
    height: auto;
    opacity: 0.9;
    transition: transform var(--transition-speed), opacity var(--transition-speed);
}

.experience-logo:hover {
    transform: scale(1.05);
    opacity: 1;
}

.footer-hashtags {
    margin-bottom: var(--spacing-lg);
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-gold);
    font-weight: bold;
}

.footer-credits {
    font-size: clamp(0.85rem, 1.6vw, 0.95rem);
    opacity: 0.8;
}

.footer-credits p {
    margin-bottom: var(--spacing-xs);
}

/* ============================================
   TABLET BREAKPOINT (768px+)
   ============================================ */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

    .cast-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .team-card.full-width {
        grid-column: 1 / -1;
    }

    .detail-item {
        font-size: 1.1rem;
    }

    .claudia-photo {
        width: 180px;
        height: 180px;
    }

    /* Videos en 2 columnas para tablet */
    .videos-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* El primer video (principal) ocupa ambas columnas */
    .video-item:first-child {
        grid-column: 1 / -1;
    }
}

/* ============================================
   DESKTOP BREAKPOINT (1025px+)
   ============================================ */
@media (min-width: 1025px) {
    .cast-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .hero-section {
        padding: var(--spacing-xl);
    }

    .detail-item {
        display: inline-flex;
        margin: 0 var(--spacing-md);
    }

    .event-details {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
    }

    /* Videos en 3 columnas para desktop */
    .videos-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* En desktop, el primer video no necesita ocupar todo el ancho */
    .video-item:first-child {
        grid-column: auto;
    }
}

/* ============================================
   ANIMACIONES Y UTILIDADES
   ============================================ */
.fade-in {
    animation: fadeIn 0.8s ease-in;
}

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

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

/* Smooth scroll para navegadores que no lo soportan nativamente */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   ACCESIBILIDAD
   ============================================ */
:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 4px;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 4px;
}

/* Mejora de contraste para lectores de pantalla */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {

    .back-to-top,
    .cta-button {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .hero-overlay {
        background: rgba(255, 255, 255, 0.8);
    }
}