/* Importación de fuentes y librerías (MOVIDO AL INICIO) */
@import url('https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css');
@import url('https://cdnjs.cloudflare.com/ajax/libs/animate.css/4.1.1/animate.min.css');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css');

/* Paleta de colores inspirada en arte Muisca */
:root {
    --naranja-muisca: #E56A05;
    --amarillo-oro: #FFD700;
    --rojo-tierra: #8B3A3A;
    --azul-cielo: #047473;
    --verde-agua: #04A89E;
    --marron-arcilla: #855A24;
    --gris-tech: #2D3748;
}

/* Estilos base */
body {
    font-family: 'Poppins', sans-serif;
    background-color: #f8f9fa;
    color: #333;
    overflow-x: hidden;
}

/* -------------------------------------------------- */
/* Estilos del Header (movidos a header.css) */
/* -------------------------------------------------- */

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--naranja-muisca), var(--rojo-tierra));
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path fill="rgba(0,0,0,0.1)" d="M0,0 L100,0 L100,100 L0,100 Z" /><path fill="none" stroke="rgba(255,255,255,0.2)" stroke-width="0.5" d="M20,20 Q50,10 80,20 T100,50 T80,80 T50,90 T20,80 T0,50 T20,20 Z" /></svg>');
    background-size: cover;
    opacity: 0.3;
}

/* Patrones Muisca */
.muisca-pattern {
    position: absolute;
    background-repeat: no-repeat;
    background-size: contain;
    opacity: 0.1;
    z-index: 0;
}

.pattern-1 {
    width: 300px;
    height: 300px;
    top: -50px;
    left: -50px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path fill="%23FFD700" d="M50,0 L100,50 L50,100 L0,50 Z"/><circle cx="50" cy="50" r="30" fill="%23E56A05"/></svg>');
}

.pattern-2 {
    width: 200px;
    height: 200px;
    bottom: -30px;
    right: -30px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect x="10" y="10" width="80" height="80" stroke="%23FFD700" stroke-width="2" fill="none"/><path d="M10,10 L90,90 M10,90 L90,10" stroke="%23FFD700" stroke-width="2"/></svg>');
}

/* Elementos tecnológicos */
.tech-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px dashed rgba(255, 255, 255, 0.3);
    z-index: 0;
}

.circle-1 {
    width: 150px;
    height: 150px;
    top: 20%;
    right: 10%;
    animation: pulse 4s infinite ease-in-out;
}

.circle-2 {
    width: 250px;
    height: 250px;
    bottom: 10%;
    left: 15%;
    animation: pulse 5s infinite ease-in-out reverse;
}

/* Animaciones */
@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

/* Tarjetas de sedes */
.sede-card {
    transition: all 0.3s ease;
    border-radius: 10px;
    overflow: hidden;
    background: white;
}

.sede-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.sede-card .card-img-top {
    transition: all 0.5s ease;
}

.sede-card:hover .card-img-top {
    transform: scale(1.05);
}

.sede-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: all 0.3s ease;
}

.sede-card:hover .sede-overlay {
    opacity: 1;
}

/* Contador regresivo */
.countdown-container {
    font-family: 'Orbitron', sans-serif;
}

.countdown-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 1rem;
    min-width: 100px;
    backdrop-filter: blur(5px);
}

.countdown-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--amarillo-oro);
}

.countdown-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
}

/* Títulos de sección */
.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title span {
    position: relative;
    z-index: 1;
    color: var(--naranja-muisca);
}

.section-title:before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--naranja-muisca), transparent);
    z-index: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        padding: 4rem 0;
    }
    
    .countdown-item {
        min-width: 70px;
    }
    
    .countdown-number {
        font-size: 1.8rem;
    }
    
    .section-title span {
        padding: 0 1rem;
    }
}
/* Estilos para formularios */
.formulario {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-top: 4px solid var(--naranja-muisca);
}

.formulario h2 {
    color: var(--naranja-muisca);
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 700;
    position: relative;
    padding-bottom: 0.5rem;
}

.formulario h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--amarillo-oro);
}

.formulario form {
    display: grid;
    gap: 1.5rem;
}

.formulario label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gris-tech);
}

.formulario input,
.formulario select,
.formulario textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
}

.formulario input:focus,
.formulario select:focus,
.formulario textarea:focus {
    outline: none;
    border-color: var(--naranja-muisca);
    box-shadow: 0 0 0 3px rgba(229, 106, 5, 0.2);
}

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

.formulario button[type="submit"] {
    background: var(--naranja-muisca);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    margin-top: 1rem;
    width: auto;
    justify-self: center;
}

.formulario button[type="submit"]:hover {
    background: var(--rojo-tierra);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(229, 106, 5, 0.3);
}

/* Estilos específicos para el formulario de expositores */
.expositores .formulario {
    border-top-color: var(--azul-cielo);
}

.expositores h2::after {
    background: var(--verde-agua);
}

/* Estilos específicos para el formulario de asistentes */
.asistentes .formulario {
    border-top-color: var(--verde-agua);
}

.asistentes h2::after {
    background: var(--azul-cielo);
}

/* Diseño responsive para formularios */
@media (max-width: 768px) {
    .formulario {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .formulario form {
        gap: 1rem;
    }
}

/* Animaciones para los formularios */
.formulario {
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Estilo para las opciones del select */
.formulario select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238B3A3A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
    padding-right: 2.5rem;
}

/* Estilo para los placeholders */
.formulario input::placeholder,
.formulario textarea::placeholder {
    color: #aaa;
    font-style: italic;
}

/* Efecto hover para los campos */
.formulario input:hover,
.formulario select:hover,
.formulario textarea:hover {
    border-color: #bbb;
}