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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Particles Background */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.3;
}

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, #00bcd4, #0097a7, #00e676);
    z-index: 9999;
    transition: width 0.25s ease;
    box-shadow: 0 0 10px rgba(0, 188, 212, 0.5);
}

/* Loading Screen Enhanced */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2c3e50, #34495e, #1a252f);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 1s ease, visibility 1s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: white;
}

.logo-container {
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
}

.loading-logo {
    width: 200px;
    height: auto;
    position: relative;
    z-index: 2;
    animation: logoFloat 3s ease-in-out infinite;
}

.pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 250px;
    height: 250px;
    border: 3px solid rgba(0, 188, 212, 0.6);
    border-radius: 50%;
    animation: pulseRing 2s linear infinite;
}

.pulse-ring.delay-1 {
    animation-delay: 0.5s;
    border-color: rgba(0, 230, 118, 0.4);
}

.pulse-ring.delay-2 {
    animation-delay: 1s;
    border-color: rgba(255, 193, 7, 0.3);
}

@keyframes pulseRing {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.loading-spinner {
    width: 60px;
    height: 60px;
    margin: 0 auto 2rem;
    position: relative;
}

.spinner-inner {
    width: 100%;
    height: 100%;
    border: 4px solid transparent;
    border-radius: 50%;
    border-top: 4px solid #00bcd4;
    border-right: 4px solid #0097a7;
    border-bottom: 4px solid #00e676;
    animation: spinEnhanced 1s linear infinite;
}

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

.loading-text {
    font-size: 1.2rem;
    font-weight: 500;
    letter-spacing: 2px;
}

.letter {
    display: inline-block;
    animation: letterBounce 1.5s ease-in-out infinite;
}

.letter:nth-child(1) { animation-delay: 0.1s; }
.letter:nth-child(2) { animation-delay: 0.2s; }
.letter:nth-child(3) { animation-delay: 0.3s; }
.letter:nth-child(4) { animation-delay: 0.4s; }
.letter:nth-child(5) { animation-delay: 0.5s; }
.letter:nth-child(6) { animation-delay: 0.6s; }
.letter:nth-child(7) { animation-delay: 0.7s; }
.letter:nth-child(8) { animation-delay: 0.8s; }
.letter:nth-child(9) { animation-delay: 0.9s; }
.letter:nth-child(10) { animation-delay: 1s; }
.letter:nth-child(11) { animation-delay: 1.1s; }

@keyframes letterBounce {
    0%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-15px); }
}

/* Header Enhanced */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    backdrop-filter: blur(0px);
    box-shadow: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.0);
    transition: top 0.4s ease, background-color 0.4s ease, backdrop-filter 0.4s ease, border-color 0.4s ease;
}

/* Estilos del header cuando se hace scroll */
.header.scrolled {
    background: rgba(44, 62, 80, 0.5);
    backdrop-filter: blur(15px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header.header-hidden {
    top: -100px;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    position: relative;
}

.nav-logo .logo {
    height: 50px;
    width: auto;
    transition: transform 0.3s ease;
}

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

.logo-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: radial-gradient(circle, rgba(0, 188, 212, 0.3), transparent);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-logo:hover .logo-glow {
    opacity: 1;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #ffffff;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 20px;
}

.nav-link:hover {
    color: #00bcd4;
    background: rgba(0, 188, 212, 0.1);
    transform: translateY(-2px);
}

.nav-link i {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.nav-link:hover i {
    transform: scale(1.2);
}

.btn-registro {
    background: linear-gradient(135deg, #00bcd4, #0097a7);
    color: white !important;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-registro:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 188, 212, 0.4);
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.btn-registro:hover .btn-shine {
    left: 100%;
}

/* Floating Button */
.floating-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #00bcd4, #0097a7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 188, 212, 0.3);
    opacity: 0;
    transform: translateY(100px);
}

.floating-btn.visible {
    opacity: 1;
    transform: translateY(0);
}

.floating-btn:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 15px 35px rgba(0, 188, 212, 0.5);
}

/* Hero Section Enhanced */
.hero {
    /* --- CAMBIO --- */
    height: 100vh; /* Aumentado a 100vh para ocupar toda la pantalla */
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

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

.hero-video video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center top;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 0, 0, 0.4), rgba(0, 188, 212, 0.2));
    z-index: 2;
}

/* Geometric Shapes Animation */
.geometric-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.shape {
    position: absolute;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    top: 20%;
    left: 10%;
    width: 100px;
    height: 100px;
    background: linear-gradient(45deg, #00bcd4, transparent);
    border-radius: 50%;
    animation-delay: 0s;
}

.shape-2 {
    top: 60%;
    right: 15%;
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #00e676, transparent);
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    animation-delay: 1s;
}

.shape-3 {
    bottom: 30%;
    left: 20%;
    width: 120px;
    height: 120px;
    background: linear-gradient(45deg, #ffc107, transparent);
    clip-path: polygon(25% 0%, 100% 0%, 75% 100%, 0% 100%);
    animation-delay: 2s;
}

.shape-4 {
    top: 40%;
    right: 30%;
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, #e91e63, transparent);
    transform: rotate(45deg);
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(10px) rotate(240deg); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    text-align: center;
    color: white;
    animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-arrow {
    width: 40px;
    height: 40px;
    border: 2px solid white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    background: rgba(0, 188, 212, 0.2);
    backdrop-filter: blur(10px);
}

.scroll-indicator span {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1px;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* Event Info Enhanced */
.event-info {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 50%, #f1f3f4 100%);
    position: relative;
    overflow: hidden;
}

.event-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23000" opacity="0.02"/><circle cx="75" cy="75" r="1" fill="%23000" opacity="0.02"/><circle cx="50" cy="10" r="0.5" fill="%23000" opacity="0.01"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.event-info-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.event-slogan {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 3rem;
    line-height: 1.3;
}

.highlight {
    color: #00bcd4;
    position: relative;
}

.gradient-text {
    background: linear-gradient(135deg, #00bcd4, #0097a7, #00e676);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.event-details {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.event-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.2rem;
    color: #2c3e50;
    font-weight: 600;
    background: white;
    padding: 20px 30px;
    border-radius: 60px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.event-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.event-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 188, 212, 0.1), transparent);
    transition: left 0.6s ease;
}

.event-item:hover::before {
    left: 100%;
}

.icon-container {
    position: relative;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-container i {
    font-size: 1.5rem;
    color: #00bcd4;
    z-index: 2;
    position: relative;
}

.icon-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #00bcd4, #0097a7);
    border-radius: 50%;
    opacity: 0.1;
    transition: all 0.3s ease;
}

.event-item:hover .icon-bg {
    opacity: 0.2;
    transform: translate(-50%, -50%) scale(1.2);
}

.event-description {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    color: #555;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-container {
    margin-top: 2rem;
    text-align: center; /* Added to center the button */
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #00bcd4, #0097a7);
    color: white;
    padding: 20px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem;
    transition: all 0.4s ease;
    box-shadow: 0 10px 30px rgba(0, 188, 212, 0.3);
    position: relative;
    overflow: hidden;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 188, 212, 0.4);
}

.cta-button i {
    transition: transform 0.3s ease;
}

.cta-button:hover i {
    transform: translateX(5px);
}

.btn-particles {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.cta-button:hover .btn-particles::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 2px, transparent 2px);
    background-size: 20px 20px;
    animation: particleMove 1s ease-out;
}

@keyframes particleMove {
    0% { opacity: 0; transform: scale(0); }
    50% { opacity: 1; transform: scale(1); }
    100% { opacity: 0; transform: scale(1.5); }
}

/* Section Titles Enhanced */
.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 4rem;
    color: #2c3e50;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.section-title i {
    color: #00bcd4;
    animation: iconBounce 2s ease-in-out infinite;
}

@keyframes iconBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 5px;
    background: linear-gradient(135deg, #00bcd4, #0097a7, #00e676);
    border-radius: 3px;
    animation: underlineGlow 3s ease-in-out infinite;
}

@keyframes underlineGlow {
    0%, 100% { box-shadow: 0 0 5px rgba(0, 188, 212, 0.3); }
    50% { box-shadow: 0 0 20px rgba(0, 188, 212, 0.8); }
}

/* Speakers Section Enhanced */
.speakers {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
}

.speakers::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><defs><pattern id="speakers-pattern" width="40" height="40" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="2" fill="%2300bcd4" opacity="0.05"/></pattern></defs><rect width="200" height="200" fill="url(%23speakers-pattern)"/></svg>');
    pointer-events: none;
}

.speakers-grid {
    display: grid;
    gap: 4rem;
    max-width: 1300px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.speaker-card {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    background: white;
    border-radius: 25px;
    padding: 2.5rem;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.1);
    transition: all 0.5s ease;
    align-items: start;
    position: relative;
    overflow: hidden;
}

.speaker-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #00bcd4, #0097a7, #00e676);
    transform: scaleX(0);
    transition: transform 0.5s ease;
}

.speaker-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 35px 90px rgba(0, 0, 0, 0.15);
}

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

.speaker-image {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
}

.speaker-image img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: 20px;
    transition: transform 0.5s ease;
}

.speaker-card:hover .speaker-image img {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.7));
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 20px;
}

.speaker-card:hover .image-overlay {
    opacity: 1;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2c3e50;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.social-icons a:hover {
    background: #00bcd4;
    color: white;
    transform: translateY(-3px);
}

.speaker-info {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    height: 100%;
}

.speaker-name {
    font-size: 2rem;
    font-weight: 800;
    color: #2c3e50;
    margin-bottom: 0.8rem;
    background: linear-gradient(135deg, #2c3e50, #34495e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.speaker-position {
    font-size: 1.2rem;
    color: #00bcd4;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.speaker-position i {
    color: #0097a7;
}

.speaker-bio {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: #555;
    flex-grow: 1;
}

.specialties h4 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.specialties h4 i {
    color: #ffc107;
    animation: starTwinkle 2s ease-in-out infinite;
}

@keyframes starTwinkle {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.specialty-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    background: linear-gradient(135deg, #00bcd4, #0097a7);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
    cursor: default;
}

.tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 188, 212, 0.3);
}

.tag i {
    font-size: 0.9rem;
}

/* Sponsorship Section Enhanced */
.sponsorship {
    padding: 120px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
    overflow: hidden;
}

.sponsorship::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="trophy-pattern" width="50" height="50" patternUnits="userSpaceOnUse"><polygon points="25,10 30,20 40,20 32,28 35,38 25,33 15,38 18,28 10,20 20,20" fill="%23ffc107" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23trophy-pattern)"/></svg>');
    pointer-events: none;
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.package-card {
    background: white;
    border-radius: 25px;
    padding: 2.5rem 2rem;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.1);
    transition: all 0.5s ease;
    position: relative;
    overflow: hidden;
    border: 3px solid transparent;
    text-align: center;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.package-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.2);
}

.package-card.diamond {
    border-color: #b8860b;
    background: linear-gradient(135deg, rgba(184, 134, 11, 0.05), rgba(255, 215, 0, 0.05));
}

.package-card.gold {
    border-color: #ffd700;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.05), rgba(255, 237, 74, 0.05));
}

.package-card.silver {
    border-color: #c0c0c0;
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.05), rgba(229, 229, 229, 0.05));
}

.package-card.bronze {
    border-color: #cd7f32;
    background: linear-gradient(135deg, rgba(205, 127, 50, 0.05), rgba(210, 105, 30, 0.05));
}

.package-icon {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    position: relative;
}

.medal {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.package-card:hover .medal {
    transform: scale(1.1) rotate(10deg);
}

.medal i {
    font-size: 2rem;
    color: white;
    z-index: 2;
}

.medal-sparkle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    opacity: 0;
    animation: sparkle 2s ease-in-out infinite;
}

.sparkle-1 {
    top: 10px;
    right: 15px;
    animation-delay: 0s;
}

.sparkle-2 {
    bottom: 15px;
    left: 10px;
    animation-delay: 0.5s;
}

.sparkle-3 {
    top: 20px;
    left: 20px;
    animation-delay: 1s;
}

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

.diamond-medal {
    background: linear-gradient(135deg, #b8860b, #ffd700);
    animation: diamondGlow 3s infinite alternate;
}

.gold-medal {
    background: linear-gradient(135deg, #ffd700, #ffed4a);
    animation: goldGlow 3s infinite alternate;
}

.silver-medal {
    background: linear-gradient(135deg, #c0c0c0, #e5e5e5);
    animation: silverGlow 3s infinite alternate;
}

.bronze-medal {
    background: linear-gradient(135deg, #cd7f32, #d2691e);
    animation: bronzeGlow 3s infinite alternate;
}

@keyframes diamondGlow {
    from { box-shadow: 0 0 25px rgba(184, 134, 11, 0.5); }
    to { box-shadow: 0 0 40px rgba(255, 215, 0, 0.8); }
}

@keyframes goldGlow {
    from { box-shadow: 0 0 25px rgba(255, 215, 0, 0.5); }
    to { box-shadow: 0 0 40px rgba(255, 237, 74, 0.8); }
}

@keyframes silverGlow {
    from { box-shadow: 0 0 25px rgba(192, 192, 192, 0.5); }
    to { box-shadow: 0 0 40px rgba(229, 229, 229, 0.8); }
}

@keyframes bronzeGlow {
    from { box-shadow: 0 0 25px rgba(205, 127, 50, 0.5); }
    to { box-shadow: 0 0 40px rgba(210, 105, 30, 0.8); }
}

.package-header {
    margin-bottom: 2rem;
}

.package-header h3 {
    font-size: 1.6rem;
    font-weight: 800;
    color: #2c3e50;
    margin-bottom: 1rem;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.package-header h3 i {
    color: #ffc107;
}

.price {
    font-size: 2.2rem;
    font-weight: 800;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: #666;
}

.benefits-list {
    list-style: none;
    padding-bottom: 2rem; /* Adjusted padding since button is removed */
    text-align: left;
    flex-grow: 1;
}

.benefits-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    line-height: 1.6;
    color: #555;
    transition: all 0.3s ease;
}

.benefits-list li:hover {
    color: #2c3e50;
    transform: translateX(5px);
}

.benefits-list i {
    color: #27ae60;
    margin-top: 3px;
    flex-shrink: 0;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.benefits-list li:hover i {
    color: #00bcd4;
    transform: scale(1.2);
}

/* Registration Section Enhanced */
.registration {
    padding: 120px 0;
    background: linear-gradient(160deg, #3756c3 0%, #2c3e50 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.registration::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="registration-pattern" width="30" height="30" patternUnits="userSpaceOnUse"><circle cx="15" cy="15" r="2" fill="%23ffffff" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23registration-pattern)"/></svg>');
    pointer-events: none;
}

.registration .section-title,
.registration .registration-subtitle {
    color: #ffffff;
    position: relative;
    z-index: 2;
}

.registration .section-title::after {
    background: linear-gradient(135deg, #ffffff, rgba(255, 255, 255, 0.8));
}

.registration-subtitle {
    text-align: center;
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.8;
    position: relative;
    z-index: 2;
}

/* Contact Section Enhanced */
.contact {
    padding: 120px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
}

.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 5rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: start;
    position: relative;
    z-index: 2;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.contact-item {
    display: flex;
    /* --- CAMBIO --- */
    align-items: center; /* Centra verticalmente el icono con el texto */
    gap: 1.5rem;
    background: white;
    padding: 2rem;
    border-radius: 20px;
    transition: all 0.4s ease;
    border-left: 5px solid #00bcd4;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 188, 212, 0.05), transparent);
    transition: left 0.6s ease;
}

.contact-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.12);
    border-left-color: #0097a7;
}

.contact-item:hover::before {
    left: 100%;
}

.contact-icon {
    position: relative;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #00bcd4, #0097a7);
    border-radius: 15px;
    color: white;
    flex-shrink: 0; /* Evita que el icono se encoja */
}

.contact-icon i {
    font-size: 1.5rem;
    z-index: 2;
}

.icon-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: rgba(0, 188, 212, 0.3);
    border-radius: 15px;
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.1; }
}

.contact-item h4 {
    color: #2c3e50;
    margin-bottom: 0.8rem;
    font-weight: 700;
    font-size: 1.1rem;
}

.contact-item p {
    color: #666;
    line-height: 1.6;
    font-weight: 500;
    word-break: break-all; /* Evita desbordamiento de texto largo como emails */
}

.social-media {
    background: white;
    padding: 2.5rem;
    border-radius: 25px;
    text-align: center;
    height: fit-content;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 188, 212, 0.1);
}

.social-media h4 {
    color: #2c3e50;
    margin-bottom: 2rem;
    font-weight: 700;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.social-media h4 i {
    color: #00bcd4;
}

.social-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    height: 80px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.4s ease;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.social-link:hover::before {
    transform: translateX(100%);
}

.social-link i {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.social-link span {
    font-size: 0.8rem;
    font-weight: 500;
}

.facebook {
    background: linear-gradient(135deg, #1877f2, #42a5f5);
    color: white;
}

.instagram {
    background: linear-gradient(135deg, #e1306c, #fd5949, #ffdc80);
    color: white;
}

.twitter {
    background: linear-gradient(135deg, #1da1f2, #14171a);
    color: white;
}

.linkedin {
    background: linear-gradient(135deg, #0077b5, #00a0dc);
    color: white;
}

.social-link:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

/* Footer Enhanced */
.footer {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="footer-pattern" width="25" height="25" patternUnits="userSpaceOnUse"><circle cx="12.5" cy="12.5" r="1" fill="%23ffffff" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23footer-pattern)"/></svg>');
    pointer-events: none;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    z-index: 2;
}

.footer-logo {
    height: 70px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: transform 0.3s ease;
}

.footer-logo:hover {
    transform: scale(1.1);
}

.footer p {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

/* Animation on Scroll */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Hamburger Menu Enhanced */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
    transition: all 0.3s ease;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 3px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Responsive Design Enhanced */
@media (max-width: 1200px) {
    .packages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }

    .speaker-card {
        grid-template-columns: 280px 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.4s ease;
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        padding: 2rem 0;
        border-radius: 0 0 20px 20px;
    }

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

    .nav-menu.active .nav-link {
        color: #2c3e50;
    }

    .nav-menu.active .btn-registro {
        color: white !important;
    }

    .event-slogan {
        font-size: 2rem;
    }

    .event-details {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }

    .event-item {
        max-width: 350px;
    }

    .speaker-card {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 2rem;
    }

    .speaker-image img {
        height: 280px;
    }

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

    .package-card {
        padding: 2rem;
    }

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

    .contact-info {
        grid-template-columns: 1fr;
    }

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

    .section-title {
        font-size: 2.2rem;
    }

    .floating-btn {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .event-slogan {
        font-size: 1.6rem;
    }

    .speaker-card {
        padding: 1.5rem;
    }

    .package-card {
        padding: 1.5rem;
    }

    .price {
        font-size: 1.8rem;
    }

    .contact-item {
        padding: 1.5rem;
    }

    .social-media {
        padding: 2rem;
    }

    .social-links {
        gap: 1rem;
    }

    .social-link {
        height: 70px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .geometric-shapes .shape {
        opacity: 0.05;
    }

    .shape-1, .shape-3 {
        width: 60px;
        height: 60px;
    }

    .shape-2, .shape-4 {
        width: 40px;
        height: 40px;
    }
}

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

/* Performance Optimizations */
* {
    will-change: auto;
}

.speaker-image img,
.loading-logo {
    will-change: transform;
}

.package-card,
.speaker-card,
.contact-item {
    will-change: transform, box-shadow;
}

/* Print Styles */
@media print {
    .loading-screen,
    .floating-btn,
    .progress-bar,
    .hamburger,
    .geometric-shapes,
    .scroll-indicator {
        display: none !important;
    }

    .header {
        position: relative !important;
        box-shadow: none !important;
    }

    .hero {
        height: auto !important;
    }

    .hero-video {
        display: none !important;
    }
}

/* --- CUSTOM CORRECTIONS --- */
.hero-video video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    z-index: 1;
}

/* --- CAMBIO --- */
/* Se elimina el estilo específico para #email-icon para que todos los íconos sean consistentes */
/* #email-icon {
    font-size: 1.8rem;
} */

/* --- AJUSTE DE ALTURA DEL HERO EN CELULAR --- */
@media (max-width: 768px) {
  .hero {
    /* --- CAMBIO --- */
    height: 35vh; /* Aumentado a 85vh para móviles */
  }
}