/* Variables del Sistema de Diseño */
:root {
    --bg-color: #000000;
    --text-main: #ffffff;
    --text-secondary: #a1a1aa;
    --orange-accent: #ff9500;
    --orange-glow: rgba(255, 149, 0, 0.15);
    --red-btn: #e53e3e;
    --red-btn-hover: #c53030;
    --red-btn-glow: rgba(229, 62, 62, 0.3);
    --input-bg: #ffffff;
    --input-text: #18181b;
    --input-placeholder: #71717a;
    --input-border: #e4e4e7;
    --error-color: #f87171;
    
    --font-title: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 2rem 1rem;
}

/* Efectos Ambientales de Luces de Fondo (Glow) */
.bg-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    filter: blur(140px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.25;
}

.bg-glow-orange {
    background: var(--orange-accent);
    top: 5%;
    left: -150px;
}

.bg-glow-red {
    background: var(--red-btn);
    bottom: 10%;
    right: -150px;
}

/* Contenedor Principal (Centrado y Estilo Carta Móvil) */
.container {
    width: 100%;
    max-width: 580px; /* Ancho optimizado para alta conversión en móvil/desktop */
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
}

/* Encabezado */
.header {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 2.5rem;
    animation: fadeInDown 0.8s ease;
}

.logo {
    height: 52px;
    object-fit: contain;
    filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.5));
}

/* Contenido Principal */
.main-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    animation: fadeInUp 0.8s ease 0.1s both;
}

/* Wrapper del Banner para proporción 16:4 (Más bajo y panorámico) */
.banner-wrapper {
    width: 100%;
    aspect-ratio: 16 / 4;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
}

.banner-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 35%; /* Ajustado ligeramente hacia arriba para encuadrar la bandera y cartel */
    transition: transform 0.6s ease;
}

.banner-wrapper:hover .banner-img {
    transform: scale(1.03);
}

/* Sección de Textos */
.text-section {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0 0.5rem;
}

.pre-title {
    color: var(--orange-accent);
    font-family: var(--font-title);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 2px 8px var(--orange-glow);
}

.main-title {
    font-family: var(--font-title);
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1.3;
    color: var(--text-main);
}

.highlight-orange {
    color: var(--orange-accent);
}

.description-para {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 95%;
    margin: 0 auto;
}

/* Formulario con Glassmorphism en el contenedor */
.form-wrapper {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: border-color 0.3s ease;
}

.form-wrapper:focus-within {
    border-color: rgba(255, 149, 0, 0.3);
}

.registration-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: left;
}

.input-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Inputs en Fondo Blanco estricto */
.input-group input {
    background-color: var(--input-bg);
    color: var(--input-text);
    border: 2px solid var(--input-border);
    border-radius: 10px;
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    width: 100%;
    transition: var(--transition-smooth);
}

.input-group input::placeholder {
    color: var(--input-placeholder);
    opacity: 0.8;
}

.input-group input:focus {
    outline: none;
    border-color: var(--orange-accent);
    box-shadow: 0 0 12px rgba(255, 149, 0, 0.2);
}

/* Mensajes de Error */
.error-msg {
    color: var(--error-color);
    font-size: 0.78rem;
    font-weight: 500;
    margin-top: 2px;
    display: none;
}

/* Botón Grande Rojo */
.submit-btn {
    background-color: var(--red-btn);
    color: #ffffff;
    border: none;
    border-radius: 10px;
    padding: 16px 24px;
    font-family: var(--font-title);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    position: relative;
    box-shadow: 0 4px 15px var(--red-btn-glow);
    margin-top: 0.5rem;
}

.submit-btn:hover {
    background-color: var(--red-btn-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(229, 62, 62, 0.45);
}

.submit-btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 10px rgba(229, 62, 62, 0.3);
}

.submit-btn:disabled {
    background-color: #8c2020;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Spinner de Carga */
.spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Animaciones */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Media Queries para Responsive */
@media (min-width: 600px) {
    body {
        padding: 4rem 2rem;
    }
    
    .main-title {
        font-size: 2.3rem;
    }
    
    .description-para {
        font-size: 1.05rem;
    }
    
    .form-wrapper {
        padding: 2.5rem;
    }
}