/* --- VARIABLES Y RESET --- */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;700;800&display=swap');

:root {
    --color-primary: #F9AB25;
    --color-background: #111111;
    --color-surface: #1E1E1E;
    --color-surface-light: #2a2a2a;
    --color-text: #FFFFFF;
    --color-text-secondary: #A0A0A0;
    --font-family-base: 'Manrope', sans-serif;
    --section-padding: 80px 0;
    --border-radius: 24px;
    --container-width: 1100px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    background-color: var(--color-background);
    color: var(--color-text);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* --- LAYOUT Y TIPOGRAFÍA --- */
.container {
max-width: var(--container-width);
margin: 0 auto;
padding: 0 20px;
}

h1, h2, h3 {
font-weight: 800;
line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.25rem); }

p { margin-bottom: 1rem; color: var(--color-text-secondary); }
p strong { color: var(--color-text); font-weight: 700; }

section { padding: var(--section-padding); }
.section-title { margin-bottom: 40px; }
.text-center { text-align: center; }
.large-text { font-size: 1.25rem; max-width: 800px; margin: 0 auto; color: var(--color-text);}

/* --- IMÁGENES GENERALES --- */
.img-responsive {
max-width: 100%;
height: auto;
display: block;
}

.img-rounded {
border-radius: 16px;
}

/* --- HEADER --- */
.main-header {
padding: 15px 0;
position: fixed;
width: 100%;
top: 0;
z-index: 1000;
background: rgba(17, 17, 17, 0.8);
backdrop-filter: blur(10px);
transition: top 0.3s ease-in-out;
}
}
.main-header.header-hidden { top: -100px; }

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.eyebrow-copy {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.eyebrow-copy .highlight {
    color: var(--color-primary);
    font-weight: 700;
}

.main-header nav a {
    color: var(--color-text-secondary);
    text-decoration: none;
    margin-left: 20px;
    transition: color 0.3s;
}

.main-header nav a:hover { color: var(--color-primary); }

/* --- BOTÓN CTA --- */
.cta-button {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-background);
    padding: 15px 30px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(249, 171, 37, 0.2);
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(249, 171, 37, 0.3);
}

/* --- SECCIONES --- */
/* Hero */
.hero-section { padding-top: 150px; padding-bottom: 80px;}
.hero-card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.hero-content { padding: 5%; flex: 1 1 55%; position: relative; z-index: 2; }
.hero-content .subtitle { color: var(--color-text-secondary); max-width: 500px; margin: 20px 0 30px;}

.hero-image {
    flex: 1 1 45%;
    align-self: stretch;
    position: relative;
}
.hero-image::before {
    content: '';
    position: absolute;
    top: 0; left: 0; bottom: 0; width: 150px;
    background: linear-gradient(to right, var(--color-surface), transparent);
    z-index: 1;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Problem */
.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.problem-text p { font-size: 1.1rem; }
.problem-image img { width: 100%; border-radius: var(--border-radius); }

/* Mechanism */
.mechanism-section { background-color: var(--color-surface); }

/* Benefits */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.benefit-card {
    background-color: var(--color-surface);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-surface-light);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.benefit-card:hover { transform: translateY(-5px); border-color: var(--color-primary); }
.benefit-card h3 { margin-bottom: 15px; color: var(--color-primary); }

/* Social Proof */
.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.testimonial-card {
    background-color: var(--color-surface);
    padding: 40px;
    border-radius: var(--border-radius);
}

.testimonial-card .quote { font-size: 1.1rem; font-style: italic; color: var(--color-text); margin-bottom: 20px; }
.testimonial-card .author { font-weight: 700; color: var(--color-primary); }

/* Authority */
.authority-section { background: linear-gradient(rgba(17,17,17,0), var(--color-surface), rgba(17,17,17,0)); }

/* Offer Stack */
.offer-card { 
    display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center;
    background-color: var(--color-surface); border-radius: var(--border-radius); padding: 50px;
}

.offer-image img { width: 100%; border-radius: var(--border-radius); }
.stack-list { list-style: none; margin: 30px 0; }
.stack-list li { padding: 10px 0; border-bottom: 1px solid var(--color-surface-light); font-size: 1.1rem; }
.stack-list .bonus { color: var(--color-primary); font-weight: 700; }
.stack-list .value { float: right; color: var(--color-text-secondary); }

.pricing { margin: 30px 0; }
.total-value { text-decoration: line-through; color: var(--color-text-secondary); }
.today-price { font-size: 2rem; font-weight: 800; color: var(--color-primary); margin-top: 10px; }
.urgency-text { font-size: 0.9rem; margin-top: 20px; }

/* Guarantee */
.guarantee-box { 
    max-width: 800px; margin: 0 auto 40px; padding: 40px;
    border: 2px solid var(--color-primary); border-radius: var(--border-radius);
    background: radial-gradient(circle, var(--color-surface) 0%, transparent 80%);
}

.ps-text { max-width: 700px; margin: 0 auto; }

/* FAQ */
.faq-accordion { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-surface-light); }
.faq-question { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; cursor: pointer; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.5s ease-out; }
.faq-answer p { padding: 0 0 20px; }
.faq-item.active .faq-answer { max-height: 200px; }

.faq-icon { width: 12px; height: 12px; position: relative; transition: transform 0.3s; }
.faq-icon::before, .faq-icon::after { content: ''; position: absolute; top: 5px; left: 0; width: 12px; height: 2px; background-color: var(--color-primary); }
.faq-icon::after { transform: rotate(90deg); }
.faq-item.active .faq-icon { transform: rotate(135deg); }

/* Footer */
.main-footer { padding: 40px 0; background-color: var(--color-surface); color: var(--color-text-secondary); font-size: 0.9rem; }

/* --- INTERACTIVIDAD Y RESPONSIVE --- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
    .hero-card, .problem-grid, .testimonials-grid, .offer-card { grid-template-columns: 1fr; }
    .hero-card { flex-direction: column; }
    .hero-image { max-height: 400px; width: 100%; }
    .hero-image::before { width: 100%; height: 100px; top: auto; bottom: 0; background: linear-gradient(to top, var(--color-surface), transparent);}
    .problem-image { order: -1; }
    .offer-image { order: -1; margin-bottom: 30px; }
    .main-header nav { display: none; } /* Simplificar header en móvil */
}

@media (max-width: 600px) {
    :root { --section-padding: 60px 0; }
    .testimonials-grid { grid-template-columns: 1fr; }
}