:root {
    --bg: #0a0a0a;
    --accent: #ff5e00; /* Naranja fuego */
    --text: #ffffff;
    --gray: #a0a0a0;
    --violet: #2a0b4d; /* Tono atardecer/afro */
    --dark-alt: #121212;
}

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

body { 
    font-family: 'Urbanist', sans-serif; 
    background-color: var(--bg); 
    color: var(--text); 
    overflow-x: hidden; 
}

h1, h2, h3, .step-number { 
    font-family: 'Bricolage Grotesque', sans-serif; 
    text-transform: uppercase; 
}

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

/* --- PANTALLA DE CARGA (PRELOADER) --- */
.preloader {
    position: fixed;
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100vh;
    background-color: #000;
    display: flex; 
    justify-content: center; 
    align-items: center;
    z-index: 9999;
    transition: opacity 0.8s ease, visibility 0.8s;
}

.preloader.hide { 
    opacity: 0; 
    visibility: hidden; 
}

.flame-text {
    font-size: 2rem; 
    color: var(--accent);
    animation: pulse 1.5s infinite alternate;
}

@keyframes pulse {
    0% { opacity: 0.5; text-shadow: 0 0 10px var(--accent); }
    100% { opacity: 1; text-shadow: 0 0 30px var(--accent), 0 0 50px var(--accent); }
}

/* --- HERO SECTION --- */
.hero { 
    height: 100vh; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    background: radial-gradient(circle at center, var(--violet) 0%, var(--bg) 100%); 
    text-align: center; 
}

h1 { 
    font-size: clamp(3rem, 12vw, 9rem); 
    color: var(--text); 
    margin: 15px 0; 
    line-height: 0.9; 
}

.tagline { 
    color: var(--accent); 
    letter-spacing: 3px; 
    font-weight: 700; 
}

.subtitle { 
    font-size: 1.5rem; 
    color: var(--gray); 
    font-weight: 300; 
}

/* --- SECCIONES GENERALES --- */
.section { padding: 100px 0; }
.dark-bg { background-color: var(--dark-alt); }
.section-title { font-size: 3rem; color: var(--accent); margin-bottom: 30px; text-align: center; }
.description { font-size: 1.3rem; text-align: center; max-width: 700px; margin: 0 auto 50px; color: var(--gray); }

/* --- FEATURES (TARJETAS EP) --- */
.features { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
    gap: 20px; 
}

.feature-card { 
    background: #111; 
    padding: 40px; 
    border-radius: 15px; 
    text-align: center; 
    border: 1px solid #222; 
}

.feature-card i { 
    font-size: 2.5rem; 
    color: var(--accent); 
    margin-bottom: 15px; 
}

/* --- HIGHLIGHT BOX (¿POR QUÉ TÚ?) --- */
.highlight-box {
    background: linear-gradient(135deg, rgba(255, 94, 0, 0.1) 0%, rgba(42, 11, 77, 0.3) 100%);
    border-left: 4px solid var(--accent);
    padding: 40px;
    border-radius: 0 15px 15px 0;
    max-width: 800px;
    margin: 0 auto;
}

.highlight-box p { 
    font-size: 1.4rem; 
    line-height: 1.6; 
    font-weight: 300; 
}

/* --- ROADMAP (CÓMO ES LA VUELTA) --- */
.roadmap-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); 
    gap: 30px; 
    margin-top: 50px; 
}

.step-card { 
    background: #111; 
    padding: 30px; 
    border-radius: 15px; 
    position: relative; 
    border-top: 3px solid var(--accent); 
}

.step-number { 
    font-size: 4rem; 
    color: rgba(255, 255, 255, 0.05); 
    position: absolute; 
    top: 10px; 
    right: 20px; 
    font-weight: 900; 
}

.step-card h3 { 
    font-size: 1.5rem; 
    margin-bottom: 15px; 
    z-index: 2; 
    position: relative; 
}

.step-card p { 
    color: var(--gray); 
    z-index: 2; 
    position: relative; 
}

/* --- SCROLL HORIZONTAL (STAMP) --- */
.horizontal-scroll-section { 
    height: 400vh; 
    background: #000; 
}

.sticky-wrapper { 
    position: sticky; 
    top: 0; 
    height: 100vh; 
    display: flex; 
    align-items: center; 
    overflow: hidden; 
}

.horizontal-content { 
    display: flex; 
    padding-left: 10vw; 
    will-change: transform; 
}

.slide-intro { 
    min-width: 40vw; 
    display: flex; 
    flex-direction: column; 
    justify-content: center; 
}

.image-slide { 
    min-width: 60vw; 
    height: 70vh; 
    margin-right: 5vw; 
    position: relative; 
    border-radius: 20px; 
    overflow: hidden; 
}

.image-slide img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    filter: brightness(0.6); 
}

.slide-text { 
    position: absolute; 
    bottom: 40px; 
    left: 40px; 
}

/* --- REDES SOCIALES --- */
.social-grid { 
    display: flex; 
    justify-content: center; 
    gap: 25px; 
    margin-top: 40px; 
}

.social-link { 
    font-size: 2.5rem; 
    color: var(--text); 
    transition: 0.3s; 
}

.social-link:hover { 
    color: var(--accent); 
    transform: translateY(-5px); 
}

/* --- FOOTER / WHATSAPP --- */
.footer { 
    padding: 100px 0; 
    text-align: center; 
    background: linear-gradient(to top, var(--violet), var(--bg)); 
}

.btn-whatsapp { 
    display: inline-block; 
    background: #25D366; 
    color: #fff; 
    padding: 20px 45px; 
    border-radius: 50px; 
    font-weight: 800; 
    text-decoration: none; 
    font-size: 1.2rem; 
    margin-top: 20px; 
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.2); 
    transition: 0.3s; 
}

.btn-whatsapp:hover { 
    transform: scale(1.05); 
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.4); 
}

/* --- ANIMACIONES --- */
.animate { opacity: 0; transition: 0.8s ease-out; }
.visible { opacity: 1; transform: translateY(0) scale(1); }
.fade-in { transform: translateY(0); }
.slide-up { transform: translateY(40px); }
.scale-up { transform: scale(0.95); }

/* --- RESPONSIVE MÓVIL --- */
@media (max-width: 768px) {
    .horizontal-scroll-section { 
        height: auto; 
    }
    
    .sticky-wrapper { 
        position: relative; 
        height: auto; 
        padding: 20px 0; 
    }
    
    .horizontal-content { 
        flex-direction: column; 
        padding: 0 20px; 
        transform: none !important;
    }
    
    .image-slide { 
        min-width: 100%; 
        height: 40vh; 
        margin-bottom: 20px; 
    }
    
    h1 { 
        font-size: 3.5rem; 
    }
    
    .section-title { 
        font-size: 2.2rem; 
    }
    
    .highlight-box { 
        border-left: none; 
        border-top: 4px solid var(--accent); 
        border-radius: 15px; 
        padding: 30px 20px; 
    }
    
    .highlight-box p { 
        font-size: 1.2rem; 
    }

    .slide-intro {
        min-width: 100%;
        margin-bottom: 30px;
    }
}