:root {
    --primary: #2563eb;
    --secondary: #0ea5e9;
    --dark: #1e293b;
    --light: #f1f5f9;
    --accent: #10b981;
    --text: #334155;
    --text-light: #475569;
    --white: #ffffff;
    
    /* Colores MiKA */
    --mika-bg: #050505;
    --mika-cyan: #00f2ff;
    --mika-dark-blue: #0a1a2f;
    
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 6px 16px rgba(0,0,0,0.12);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8fafc;
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

/* --- ESTILOS DEL LOGO ACTUALIZADOS --- */
.logo-container {
    display: flex;
    align-items: center;
    gap: 12px; /* Espacio entre el icono y el texto */
}

.header-logo-img {
    height: 40px; /* Ajuste para que quepa bien en el header */
    width: auto;
    border-radius: 8px; /* Bordes redondeados suaves */
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: var(--transition);
}

nav a:hover,
nav a:focus {
    color: var(--primary);
}

/* Botones de Cabecera */
.patreon-buttons a {
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    padding: 0.6rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    transition: var(--transition);
}

.patreon-buttons a:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* --- SLIDER HERO STYLES --- */

.hero-slider-container {
    position: relative;
    width: 100%;
    height: 85vh; /* Altura del hero */
    min-height: 600px;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease-in-out, visibility 1s;
    /* Configuración Flexbox Crítica para centrado */
    display: flex;
    flex-direction: column;
    justify-content: center; /* Centrado vertical */
    align-items: center;     /* Centrado horizontal */
    padding: 2rem 5%;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

/* --- CORRECCIÓN SLIDE 1: Estilo Original Restaurado --- */
#slide-medsim {
    background: linear-gradient(120deg, #e0f2fe 0%, #bae6fd 100%);
    text-align: center; /* Asegura que el texto interno esté centrado */
}

#slide-medsim .hero-content {
    max-width: 800px;
    margin: 0 auto; /* Centra el contenedor en sí mismo */
    display: flex;
    flex-direction: column;
    align-items: center; /* Centra los hijos (h1, p, button) */
}

#slide-medsim h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1.5rem;
    color: var(--dark);
    line-height: 1.2;
}

#slide-medsim p {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    margin-bottom: 2.5rem; /* Margen restaurado para separar el botón */
    color: var(--text-light);
    max-width: 700px;
}

#slide-medsim .cta-button {
    background: var(--accent);
    color: var(--white);
    font-size: 1.1rem;
    padding: 0.8rem 2.5rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    display: inline-block; /* Asegura comportamiento de botón */
}

#slide-medsim .cta-button:hover {
    background: #0da271;
    transform: translateY(-3px);
}

/* --- Slide 2: MiKA App (Dark Mode) --- */
#slide-mika {
    background: radial-gradient(circle at center, #112240 0%, #000000 100%);
    color: var(--white);
    overflow: hidden; 
}

.mika-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 1200px;
    width: 100%;
    align-items: center;
    gap: 2rem;
    z-index: 3; 
}

.mika-text {
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.mika-badge {
    background: rgba(0, 242, 255, 0.1);
    color: var(--mika-cyan);
    border: 1px solid var(--mika-cyan);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 1rem;
    align-self: flex-start; /* Alineado a la izquierda */
    letter-spacing: 1px;
}

.mika-logo-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 1rem;
}

.mika-icon-small {
    width: 64px;
    height: 64px;
    border-radius: 14px;
    object-fit: cover;
    box-shadow: 0 0 15px var(--mika-cyan);
    border: 2px solid rgba(0, 242, 255, 0.3);
}

#slide-mika h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: var(--white);
    font-weight: 800;
    text-shadow: 0 0 10px rgba(0, 242, 255, 0.5);
    line-height: 1.1;
}

#slide-mika p {
    font-size: 1.2rem;
    color: #a8b2d1;
    margin-bottom: 1.5rem;
}

.mika-features {
    list-style: none;
    margin-bottom: 2rem;
}

.mika-features li {
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #e2e8f0;
}

.mika-btn {
    background: transparent;
    border: 2px solid var(--mika-cyan);
    color: var(--mika-cyan);
    padding: 0.8rem 2.5rem;
    font-size: 1.1rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    text-shadow: 0 0 5px var(--mika-cyan);
    box-shadow: 0 0 10px rgba(0, 242, 255, 0.2);
    align-self: flex-start;
    display: inline-block; /* Asegura que se comporte como botón siendo <a> */
    text-decoration: none; /* Quita el subrayado del link */
    text-align: center;
}

.mika-btn:hover {
    background: var(--mika-cyan);
    color: #000;
    box-shadow: 0 0 20px var(--mika-cyan);
}

/* Nuevo estilo para la nota de instalación */
.install-note {
    font-size: 0.85rem !important; /* Forzamos tamaño pequeño */
    color: #cbd5e1 !important; /* Gris claro */
    margin-top: 1rem !important;
    font-style: italic;
    opacity: 0.8;
    max-width: 400px; /* Evita que se estire demasiado */
}

/* Contenedor 3D */
#canvas-container {
    width: 100%;
    height: 500px;
    position: relative;
}

/* Slider Controls */
.slider-controls {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0,0,0,0.3);
    border: 2px solid rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s;
}

.slider-dot.active {
    background: var(--mika-cyan);
    border-color: var(--mika-cyan);
    transform: scale(1.2);
}

/* --- SECCIÓN SIMULACIONES --- */
.simulations {
    padding: 4rem 5%;
    background-color: #f8fafc;
}

.simulations h2 {
    text-align: center;
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    margin-bottom: 2.5rem;
    color: var(--dark);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.8rem;
    max-width: 1200px;
    margin: 0 auto;
}

.case-card {
    background: var(--white);
    border-radius: 12px;
    padding: 1.8rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.case-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    color: var(--primary);
}

.case-card p {
    color: var(--text-light);
    margin-bottom: 1.2rem;
    flex-grow: 1;
}

.difficulty {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 1.2rem;
    align-self: flex-start;
}

.difficulty-basic { background-color: #dcfce7; color: #166534; }
.difficulty-intermediate { background-color: #dbeafe; color: #1e40af; }
.difficulty-moderate { background-color: #fef3c7; color: #92400e; }

.case-btn {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    width: 100%;
    transition: var(--transition);
}

.case-btn:hover {
    background: #1d4ed8;
}

/* Footer */
footer {
    background: var(--dark);
    color: var(--white);
    text-align: center;
    padding: 1.5rem;
    margin-top: auto;
}

footer a {
    color: var(--secondary);
    text-decoration: none;
}

/* Responsive */
@media (max-width: 1023px) {
    .mobile-menu-btn { display: block; background: none; border: none; font-size: 1.5rem; cursor: pointer; }
    nav ul { display: none; flex-direction: column; width: 100%; text-align: center; position: absolute; top: 70px; left: 0; background: white; padding: 1rem; box-shadow: 0 5px 10px rgba(0,0,0,0.1); }
    nav ul.show { display: flex; }
    
    .mika-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .mika-text { 
        text-align: center; 
        margin-bottom: 20px; 
        align-items: center; /* Centrar elementos en móvil */
    }
    .mika-badge, .mika-btn, .install-note { align-self: center; } /* Centrar botones y notas en móvil */
    
    .mika-logo-header { justify-content: center; }
    .mika-features li { justify-content: center; }
    
    #canvas-container {
        height: 300px;
        order: -1;
    }
}