/* ==========================================
   RaceFest 2026 - Estilos CSS
   ========================================== */

/* Variables CSS */
:root {
    --primary-blue: #1f7cec;
    --dark-blue: #0a284b;
    --orange: #cc4604;
    --orange-hover: #ad3903;
    --header-bg: #0a0a0a;
    --white: #ffffff;
    --gray-dark: #64748b;
    --gray-light: #e2e8f0;
    --gray-lighter: #f8fafc;
    --text-dark: #1e293b;
    --text-light: #94a3b8;

    /* Typography */
    --font-roboto: 'Roboto', sans-serif;
    --font-roboto-slab: 'Roboto Slab', serif;
    --font-oswald: 'Oswald', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ==========================================
   CURSOR FOLLOWER
   ========================================== */

.cursor-follower {
    position: fixed;
    width: 50px;
    height: 50px;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.15s ease, opacity 0.3s ease;
    mix-blend-mode: difference;
    color: #00ff00;
    filter: drop-shadow(0 0 4px rgba(0, 255, 0, 0.6));
}

.cursor-follower .hud-reticle {
    width: 100%;
    height: 100%;
}

.cursor-follower.hidden {
    opacity: 0;
}

.cursor-follower.hover {
    transform: scale(1.4);
    filter: drop-shadow(0 0 8px rgba(0, 255, 0, 0.9));
}

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

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

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

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

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-roboto-slab);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-family: var(--font-oswald);
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 700;
}

h2 {
    font-family: var(--font-oswald);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--dark-blue);
}

h3 {
    font-size: 1.5rem;
    color: var(--dark-blue);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-dark);
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */

.header {
    background-color: var(--header-bg);
    padding: var(--spacing-sm) 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition-normal);
}

.header.scrolled {
    padding: var(--spacing-xs) 0;
}

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

.logo img {
    height: 50px;
    width: auto;
    transition: var(--transition-normal);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.nav-link {
    color: var(--white);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--orange);
    transition: var(--transition-normal);
}

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

.nav-link:hover::after {
    width: 80%;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    border-radius: 2px;
    transition: var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 100%);
    overflow: hidden;
    margin-top: 70px;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    z-index: 0;
    object-fit: cover;
}

.video-sound-btn {
    position: absolute;
    bottom: 20px;
    right: 20px;
    z-index: 10;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: rgba(0, 0, 0, 0.4);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.video-sound-btn:hover {
    background: rgba(0, 0, 0, 0.6);
    border-color: rgba(255, 255, 255, 0.8);
    transform: scale(1.1);
}

.video-sound-btn.sound-on {
    background: rgba(31, 124, 236, 0.6);
    border-color: var(--primary-blue);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 40, 75, 0.9) 0%, rgba(31, 124, 236, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    padding: var(--spacing-lg) 0;
}

.hero-title {
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-family: var(--font-oswald);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease 0.4s both;
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    color: var(--white);
    font-weight: 500;
    transition: var(--transition-normal);
}

.info-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.info-item i {
    font-size: 1.5rem;
    color: var(--orange);
}

.info-item.highlight {
    background: var(--orange);
    animation: pulse 2s infinite;
}

.info-item.highlight:hover {
    background: var(--orange-hover);
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-oswald);
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

.btn-primary:hover {
    background-color: var(--orange-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(204, 70, 4, 0.4);
}

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

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--dark-blue);
}

/* ==========================================
   SECTIONS
   ========================================== */

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section:nth-child(even) {
    background-color: var(--gray-lighter);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--orange));
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================
   INFO SECTION
   ========================================== */

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.info-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition-normal);
    border-top: 4px solid var(--primary-blue);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.info-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    color: var(--white);
    font-size: 1.8rem;
}

.info-card h3 {
    font-family: var(--font-oswald);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--dark-blue);
}

.info-card .price {
    font-family: var(--font-oswald);
    font-size: 2rem;
    font-weight: 700;
    color: var(--orange);
}

/* ==========================================
   CHARLAS SECTION
   ========================================== */

.charlas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.charla-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition-normal);
}

.charla-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.charla-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

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

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

.charla-content {
    padding: var(--spacing-md);
    text-align: center;
}

.charla-content h3 {
    font-family: var(--font-oswald);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.charla-title {
    color: var(--orange);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.charla-desc {
    color: var(--gray-dark);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

/* ==========================================
   PILOTOS SECTION
   ========================================== */

.pilotos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.piloto-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition-normal);
}

.piloto-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.piloto-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

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

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

.piloto-content {
    padding: var(--spacing-md);
    text-align: center;
}

.piloto-content h3 {
    font-family: var(--font-oswald);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.piloto-title {
    color: var(--orange);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.piloto-desc {
    color: var(--gray-dark);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

.piloto-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--gray-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-blue);
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-3px);
}

/* ==========================================
   UBICACION SECTION
   ========================================== */

.ubicacion-content {
    max-width: 800px;
    margin: 0 auto;
}

.ubicacion-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition-normal);
}

.ubicacion-item:hover {
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.12);
}

.ubicacion-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.3rem;
    flex-shrink: 0;
}

.ubicacion-item h3 {
    margin-bottom: var(--spacing-xs);
}

.map-embed {
    margin-top: var(--spacing-md);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

/* ==========================================
   EXPOSITORES SECTION
   ========================================== */

.expositores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.expositor-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
}

.expositor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.expositor-card img {
    max-width: 150px;
    max-height: 80px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition-normal);
}

.expositor-card:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* ==========================================
   GALERIA SECTION
   ========================================== */

.galeria-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.galeria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.video-container {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    transition: var(--transition-normal);
    width: 100%;
}

.video-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.18);
}

.galeria-video {
    width: 100%;
    height: auto;
    display: block;
    max-width: 100%;
    object-fit: contain;
    background: var(--dark-blue);
}

.video-info {
    padding: var(--spacing-md);
    text-align: center;
}

.video-info h3 {
    font-family: var(--font-oswald);
    font-size: 1.3rem;
    color: var(--dark-blue);
    margin-bottom: var(--spacing-xs);
}

.video-info p {
    color: var(--gray-dark);
    font-size: 0.95rem;
}

/* ==========================================
   CONTACTO SECTION
   ========================================== */

.contacto-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.contacto-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contacto-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition-normal);
}

.contacto-item:hover {
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.12);
}

.contacto-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contacto-item h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--dark-blue);
}

.contacto-form {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-md);
    font-family: var(--font-roboto);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(31, 124, 236, 0.1);
}

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

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    background: var(--header-bg);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    height: 280px;
    width: 280px;
    object-fit: contain;
    opacity: 0.9;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icon {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition-normal);
}

.social-icon:hover {
    background: var(--orange);
    transform: translateY(-3px);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--text-light);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--orange);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-light);
    margin: 0;
}

/* ==========================================
   BACK TO TOP BUTTON
   ========================================== */

.back-to-top {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 50px;
    height: 50px;
    background: var(--orange);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 3px 15px rgba(204, 70, 4, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--orange-hover);
    transform: translateY(-5px);
}

/* ==========================================
   ANIMATIONS
   ========================================== */

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* Fade in animation on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

/* Tablet */
@media (max-width: 768px) {
    .cursor-follower {
        display: none;
    }

    .section {
        padding: var(--spacing-lg) 0;
    }

    .hero-info {
        flex-direction: column;
        align-items: center;
    }

    .info-item {
        width: 100%;
        max-width: 300px;
    }

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

    .charla-card.featured {
        grid-column: 1;
    }

    .ubicacion-item {
        flex-direction: column;
        text-align: center;
    }

    .expositores-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .galeria-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .video-container {
        width: 100%;
        max-width: 100%;
    }

    .galeria-video {
        width: 100%;
        height: auto;
    }
}

/* Mobile */
@media (max-width: 576px) {
    html {
        font-size: 14px;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--header-bg);
        width: 100%;
        padding: var(--spacing-md);
        transition: var(--transition-normal);
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
    }

    .nav-menu.active {
        left: 0;
    }

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

    .nav-link {
        display: block;
        padding: var(--spacing-sm);
    }

    .logo img {
        height: 40px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .info-grid,
    .charlas-grid,
    .expositores-grid {
        grid-template-columns: 1fr;
    }

    .contacto-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .back-to-top {
        bottom: var(--spacing-sm);
        right: var(--spacing-sm);
        width: 45px;
        height: 45px;
    }

    /* Galería específico para móviles */
    .galeria-section .container {
        padding: 0;
    }

    .galeria-section .section-title,
    .galeria-section .section-subtitle {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }

    .galeria-grid {
        gap: 0;
    }

    .video-container {
        border-radius: var(--radius-md);
        width: 100%;
        max-width: 350px;
        margin-left: auto;
        margin-right: auto;
    }

    .galeria-video {
        max-width: 100%;
        width: 100%;
    }

    .video-info {
        padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-md);
    }
}

/* Large screens */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

/* Print styles */
@media print {
    .header,
    .footer,
    .back-to-top,
    .hamburger {
        display: none;
    }

    .section {
        page-break-inside: avoid;
    }
}

/* ==========================================
   LANGUAGE SWITCHER
   ========================================== */

.lang-switcher {
    display: flex !important;
    gap: 0.5rem;
    align-items: center;
    margin-left: var(--spacing-sm);
    padding-left: var(--spacing-sm);
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.lang-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    padding: 0;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 27px;
    overflow: hidden;
    position: relative;
}

.lang-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.lang-btn.active {
    border-color: var(--orange);
    box-shadow: 0 0 0 2px rgba(204, 70, 4, 0.3);
}

.refresh-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    width: 32px;
    height: 32px;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.875rem;
}

.refresh-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    color: var(--orange);
}

.refresh-btn:active {
    transform: rotate(180deg);
}

.refresh-btn i {
    transition: transform var(--transition-normal);
}

/* Mobile styles for language switcher */
@media (max-width: 576px) {
    .lang-switcher {
        border-left: none;
        margin-left: 0;
        padding-left: 0;
        justify-content: center;
        margin-top: var(--spacing-sm);
        width: 100%;
    }

    .lang-btn {
        width: 44px;
        height: 33px;
    }

    .footer-logo img {
        height: 160px;
        width: 160px;
    }
}

/* ==========================================
   ACCESSIBILITY
   ========================================== */

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
}

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

/* High contrast mode */
@media (prefers-contrast: high) {
    .info-card,
    .charla-card,
    .piloto-card,
    .expositor-card {
        border: 2px solid var(--text-dark);
    }
}