/* Reset y variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0C1B3C;
    --secondary-color: #8146D9;
    --accent-color: #01ca26;
    --tertiary-color: #c554ee;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --text-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e1e5e9;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo-link {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo-image {
    height: 40px;
    width: auto;
    transition: var(--transition);
}

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

.nav-menu {
    display: flex;
    gap: 2rem;
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
    color: var(--text-white);
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
    max-width: 50%;
    padding: 3rem;
    border-radius: var(--border-radius);
    backdrop-filter: blur(3px);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
}

.hero-location {
    font-size: 1.8rem;
    font-weight: 500;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background: #c554ee;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--tertiary-color);
    color: var(--text-white);
}


.video-placeholder {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 3rem;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: var(--transition);
}

.video-placeholder:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.play-button {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

/* Sections */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Sponsors Section */
.sponsors {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-white) 0%, #f0f2f5 100%);
    position: relative;
}

.sponsors::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
}

.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4rem;
    margin-top: 3rem;
    align-items: center;
    justify-items: center;
}

.sponsor-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 250px;
    height: 120px;
    transition: var(--transition);
}

.sponsor-image {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: var(--transition);
    filter: grayscale(0.3);
    opacity: 0.8;
}

.sponsor-item:hover .sponsor-image {
    transform: scale(1.05);
    filter: grayscale(0);
    opacity: 1;
}

/* Nosotros Section */
.nosotros {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
}

.nosotros::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
}

.nosotros-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.nosotros-text p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.nosotros-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.stat {
    text-align: center;
    padding: 1rem;
    background: linear-gradient(135deg, var(--bg-white) 0%, #f8f9fa 100%);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-color) 100%);
}

.stat:nth-child(2)::before {
    background: linear-gradient(90deg, var(--secondary-color) 0%, var(--tertiary-color) 100%);
}

.stat:nth-child(3)::before {
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--primary-color) 100%);
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(12, 27, 60, 0.15);
    border-color: var(--accent-color);
}

.stat h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat p {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Speakers Section */
.speakers {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-white) 0%, #f0f2f5 100%);
    position: relative;
}

.speakers::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--tertiary-color) 50%, var(--primary-color) 100%);
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.speaker-card {
    background: linear-gradient(135deg, var(--bg-white) 0%, #f8f9fa 100%);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.speaker-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-color) 100%);
}

.speaker-card:nth-child(even)::before {
    background: linear-gradient(90deg, var(--secondary-color) 0%, var(--tertiary-color) 100%);
}

.speaker-card:nth-child(3n)::before {
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--primary-color) 100%);
}

.speaker-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(12, 27, 60, 0.2);
    border-color: var(--accent-color);
}

.speaker-image {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--primary-color);
}

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

.speaker-name {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.speaker-title {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.arqconf-link, .speaker-linkedin {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.arqconf-link:hover, .speaker-linkedin:hover {
    color: var(--tertiary-color);
}

/* Agenda Section */
.agenda {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, var(--bg-white) 100%);
    position: relative;
}

.agenda::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--tertiary-color) 0%, var(--accent-color) 50%, var(--secondary-color) 100%);
}

.agenda-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.filter-btn:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(12, 27, 60, 0.2);
}

.filter-btn.active {
    background: var(--primary-color);
    color: var(--text-white);
    box-shadow: 0 4px 12px rgba(12, 27, 60, 0.3);
}

/* Colores específicos para botones de filtro */
.filter-btn[data-filter="AI Engineering"] {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.filter-btn[data-filter="AI Engineering"]:hover,
.filter-btn[data-filter="AI Engineering"].active {
    background: var(--primary-color);
    color: var(--text-white);
}

.filter-btn[data-filter="Networking"] {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.filter-btn[data-filter="Networking"]:hover,
.filter-btn[data-filter="Networking"].active {
    background: var(--accent-color);
    color: var(--text-white);
}

.filter-btn[data-filter="Casos reales"] {
    border-color: var(--tertiary-color);
    color: var(--tertiary-color);
}

.filter-btn[data-filter="Casos reales"]:hover,
.filter-btn[data-filter="Casos reales"].active {
    background: var(--tertiary-color);
    color: var(--text-white);
}

.filter-btn[data-filter="Inicio"] {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.filter-btn[data-filter="Inicio"]:hover,
.filter-btn[data-filter="Inicio"].active {
    background: var(--secondary-color);
    color: var(--text-white);
}

.agenda-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 24px;
    border: 2px solid var(--border-color);
    background: var(--bg-white);
    color: var(--text-dark);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
}

.agenda-content {
    margin-top: 2rem;
}


.session-card {
    background: linear-gradient(135deg, var(--bg-white) 0%, #f8f9fa 100%);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

.session-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent-color) 0%, var(--tertiary-color) 100%);
}

.session-card:nth-child(even)::before {
    background: linear-gradient(180deg, var(--secondary-color) 0%, var(--accent-color) 100%);
}

.session-card:nth-child(3n)::before {
    background: linear-gradient(180deg, var(--tertiary-color) 0%, var(--primary-color) 100%);
}

.session-card:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 25px rgba(12, 27, 60, 0.15);
    border-left-color: var(--accent-color);
}

.session-card.hidden {
    display: none;
}

.session-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.session-category {
    display: inline-block;
    color: var(--text-white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    flex-shrink: 0;
}

/* AI Engineering - Azul oscuro */
.category-ai-engineering {
    background: var(--primary-color);
}

/* Networking - Púrpura */
.category-networking {
    background: var(--accent-color);
}

/* Casos reales - Magenta */
.category-casos-reales {
    background: var(--tertiary-color);
}

/* Inicio - Azul medio (si existe) */
.category-inicio {
    background: var(--secondary-color);
}

.session-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
    flex: 1;
    min-width: 0;
}

.session-speakers {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.session-description {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.9rem;
    line-height: 1.5;
    font-style: italic;
}

.session-time {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.1rem;
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-white) 0%, #f0f2f5 100%);
    position: relative;
}

.faq::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--tertiary-color) 50%, var(--accent-color) 100%);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem 1.5rem;
    list-style: none;
}

.faq-item {
    background: linear-gradient(135deg, var(--bg-white) 0%, #f8f9fa 100%);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 2px solid transparent;
    position: relative;
}

.faq-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--tertiary-color) 100%);
}

.faq-item:nth-child(even)::before {
    background: linear-gradient(90deg, var(--secondary-color) 0%, var(--primary-color) 100%);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    border: none;
    background: var(--bg-white);
    text-align: left;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-light);
    line-height: 1.6;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}


.faq-list li {
    position: relative;
    padding: 0 0 0 2rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 0.5rem;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.faq-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--tertiary-color) 100%);
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(129, 70, 217, 0.3);
}

.faq-list li:last-child {
    margin-bottom: 0;
}

.faq-list li:hover {
    color: var(--text-dark);
    transform: translateX(5px);
    transition: var(--transition);
}

/* Lugar Section */
.lugar {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, var(--bg-white) 100%);
    position: relative;
}

.lugar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color) 0%, var(--accent-color) 50%, var(--tertiary-color) 100%);
}

.lugar-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.lugar-info h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.lugar-address {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.lugar-description {
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.lugar-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.feature h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.feature p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.lugar-map {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.map-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.map-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-white);
    padding: 60px 0 20px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color) 0%, var(--tertiary-color) 50%, var(--primary-color) 100%);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--text-white);
}

.footer-section p {
    color: #cccccc;
    margin-bottom: 0.5rem;
}

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

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

.footer-section ul li a {
    color: #cccccc;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--text-white);
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 2rem;
    text-align: center;
    color: #cccccc;
}

/* Social Links Styles */
.social-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    min-height: 60px;
}

.social-links h4 {
    width: 100%;
    margin-bottom: 1rem;
    color: var(--text-white);
}

.social-link {
    display: flex;
    text-decoration: none;
    transition: var(--transition);
    color: inherit;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 5px;
    align-items: center;
    justify-content: center;
}

.social-link:hover {
    opacity: 0.8;
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.2);
}

.social-link img {
    width: 30px;
    height: 30px;
    transition: var(--transition);
    opacity: 1;
}

.social-link:hover img {
    transform: scale(1.1);
}

/* Force white color for all icons except YouTube */
.social-link:not(:has(img[alt="YouTube"])) img {
    filter: brightness(0) invert(1);
}

/* YouTube keeps original colors */
.social-link:has(img[alt="YouTube"]) img {
    filter: none;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
    }

    .hero-content {
        max-width: 90%;
        padding: 2rem; 
        text-align: center;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

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

    .hero-actions {
        justify-content: center;
    }

    .nosotros-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .sponsors-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .sponsor-item {
        height: 100px;
        max-width: 200px;
    }

    .speakers-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .lugar-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .lugar-features {
        grid-template-columns: 1fr;
    }

    .agenda-tabs {
        flex-direction: column;
        align-items: center;
    }

    .tab-btn {
        width: 200px;
    }

    .session-card:hover {
        transform: none;
    }

    .social-links {
        gap: 1rem;
        justify-content: center;
        text-align: center;
    }

    .social-links h4 {
        text-align: center;
        margin-bottom: 1.5rem;
    }

    .session-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .session-title {
        font-size: 1.1rem;
    }

    .agenda-filters {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }

    .map-container {
        padding-bottom: 75%; /* Más alto en móviles para mejor usabilidad */
        margin: 0 -15px; /* Extender hasta los bordes en móviles */
        border-radius: 0; /* Sin bordes redondeados en móviles */
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

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

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

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

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

    .nosotros-stats {
        grid-template-columns: 1fr;
    }

    .sponsor-item {
        height: 80px;
        max-width: 150px;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        margin-bottom: 0.5rem;
    }

    .map-container {
        padding-bottom: 80%; /* Aún más alto en pantallas muy pequeñas */
    }

    .hero-content {
        max-width: 95%;
        padding: 1.5rem;
        margin: 0 auto;
    }

    .faq-item.active .faq-answer {
        max-height: 700px;
    }

    .social-links {
        gap: 0.8rem;
    }

    .social-links h4 {
        font-size: 1rem;
        margin-bottom: 1rem;
    }

}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Focus states for accessibility */
button:focus,
a:focus {
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .header,
    .footer,
    .hero-actions,
    .nav-toggle {
        display: none;
    }
    
    .hero {
        background: none;
        color: var(--text-dark);
    }
}