@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800;900&family=Plus+Jakarta+Sans:wght@400;500;700&display=swap');

:root {
    --bg-light: #f8fafc;
    --surface: #ffffff;
    --primary-blue: #1a2b56;
    --primary-red: #e53935;
    --primary-green: #2ecc71;
    --text-main: #0f172a;
    --text-muted: #475569;
    --border-light: rgba(26, 43, 86, 0.1);
    --shadow-soft: 0 10px 40px -10px rgba(26, 43, 86, 0.08);
    --shadow-hover: 0 20px 50px -10px rgba(26, 43, 86, 0.15);
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Aurora Mesh Background */
body::before, body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    /* filter: blur(120px); (Optimizado para GPU) */
    z-index: -1;
    opacity: 0.4;
    pointer-events: none;
}
body::before {
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(26, 43, 86, 0.25) 0%, rgba(26, 43, 86, 0) 70%);
    top: -100px; left: -100px;
}
body::after {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(229, 57, 53, 0.15) 0%, rgba(229, 57, 53, 0) 70%);
    bottom: 10%; right: -50px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    line-height: 1.1;
    color: var(--primary-blue);
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { width: 100%; max-width: 1300px; margin: 0 auto; padding: 0 24px; }

/* Header Clean & Floating */
header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container { display: flex; justify-content: space-between; align-items: center; height: 90px; }
.logo img { height: 60px; object-fit: contain; }

.nav-links { display: flex; gap: 40px; align-items: center; }
.nav-links a { font-weight: 600; color: var(--text-main); transition: all 0.3s; }
.nav-links a:hover { color: var(--primary-red); transform: translateY(-2px); }

.dropdown { position: relative; padding: 30px 0; }
.dropdown-content {
    display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(10px);
    background: var(--surface);
    border: 1px solid var(--border-light); border-radius: 16px;
    min-width: 240px; box-shadow: var(--shadow-hover); overflow: hidden;
    opacity: 0; transition: all 0.3s ease;
}
.dropdown:hover .dropdown-content { display: block; opacity: 1; transform: translateX(-50%) translateY(0); }
.dropdown-content a {
    padding: 16px 24px; display: block; border-bottom: 1px solid var(--bg-light);
    transition: all 0.3s; font-weight: 500;
}
.dropdown-content a:hover { background: var(--bg-light); color: var(--primary-blue); padding-left: 30px; }

/* Buttons */
.btn-whatsapp {
    background: #25D366;
    color: white; padding: 18px 36px; border-radius: 50px; font-weight: 700;
    display: inline-flex; align-items: center; gap: 12px;
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: none; cursor: pointer;
}
.btn-whatsapp:hover { transform: translateY(-5px) scale(1.02); box-shadow: 0 15px 30px rgba(37, 211, 102, 0.4); background: #1ebd5c; }

/* Hero Clean & Bold */
.hero { padding: 200px 0 100px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-content h1 {
    font-size: 5.5rem; letter-spacing: -2px; margin-bottom: 24px;
}
.hero-content h1 span {
    background: linear-gradient(135deg, var(--primary-red), #ff8a65);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-content .badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--surface); border: 1px solid var(--border-light);
    color: var(--primary-blue); padding: 8px 20px; border-radius: 30px;
    font-weight: 700; font-size: 0.9rem; margin-bottom: 24px;
    box-shadow: var(--shadow-soft);
}
.hero-content .badge i { color: var(--primary-red); }
.hero-content p { font-size: 1.25rem; color: var(--text-muted); margin-bottom: 40px; font-weight: 500; }
.hero-image { position: relative; }
.hero-image img {
    width: 100%; border-radius: 30px; object-fit: cover;
    box-shadow: var(--shadow-hover);
    transform: perspective(1000px) rotateY(-5deg) translateY(-10px);
    transition: transform 0.5s ease;
}
.hero-image:hover img { transform: perspective(1000px) rotateY(0deg) translateY(0); }

/* Common Sections */
.section-padding { padding: 120px 0; }
.section-title { text-align: center; font-size: 3.5rem; margin-bottom: 60px; letter-spacing: -1px; }

/* Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: minmax(200px, auto);
    gap: 24px;
}
.bento-item {
    background: var(--surface); border-radius: 24px; padding: 40px;
    box-shadow: var(--shadow-soft); border: 1px solid var(--surface);
    transition: all 0.4s ease;
}
.bento-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: var(--border-light); }
.bento-item.large { grid-column: span 2; background: linear-gradient(135deg, var(--primary-blue), #2A4893); color: white; }
.bento-item.large h3 { color: white; font-size: 2.5rem; margin-bottom: 15px; }
.bento-item.large p { color: rgba(255,255,255,0.8); font-size: 1.1rem; }
.bento-item i { font-size: 2.5rem; margin-bottom: 20px; display: block; }
.bento-item:not(.large) i { color: var(--primary-red); }
.bento-item:not(.large) h4 { font-size: 1.5rem; margin-bottom: 10px; }
.bento-item:not(.large) p { color: var(--text-muted); }

/* Pricing Ultra-Premium */
.pricing-banner {
    background: rgba(46, 204, 113, 0.1); color: var(--primary-green);
    text-align: center; padding: 16px; border-radius: 12px;
    font-weight: 800; font-size: 1.2rem; margin-bottom: 50px;
    border: 1px dashed var(--primary-green);
}
.pricing-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: center; }
.pricing-card {
    background: var(--surface); border-radius: 30px; padding: 60px 50px;
    box-shadow: var(--shadow-soft); border: 1px solid var(--border-light);
    transition: all 0.4s;
}
.pricing-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-hover); }

/* Featured Pricing (Dark to contrast the white) */
.pricing-card.featured {
    background: var(--primary-blue); color: white;
    border: none; box-shadow: 0 30px 60px rgba(26, 43, 86, 0.3);
    padding: 70px 50px; position: relative; overflow: hidden;
}
.pricing-card.featured::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 5px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-green));
}
.featured-badge {
    position: absolute; top: 20px; right: 20px; background: rgba(255,255,255,0.1);
    color: white; padding: 8px 16px; border-radius: 20px; font-weight: 700; font-size: 0.8rem;
    border: 1px solid rgba(255,255,255,0.2);
}
.pricing-card h3 { font-size: 2rem; margin-bottom: 40px; display: flex; align-items: center; gap: 15px; }
.pricing-card.featured h3 { color: white; }
.pricing-card i { color: var(--primary-red); }
.pricing-card.featured i { color: var(--primary-green); }

.pricing-list li { margin-bottom: 24px; padding-left: 40px; position: relative; font-size: 1.15rem; color: var(--text-muted); font-weight: 500; }
.pricing-card.featured .pricing-list li { color: rgba(255,255,255,0.8); }
.pricing-list li::before {
    content: '\f058'; font-family: 'FontAwesome'; position: absolute; left: 0; top: 2px;
    color: var(--primary-green); font-size: 1.4rem;
}
.promo-price { font-size: 1.5rem; font-weight: 800; color: var(--primary-blue); display: block; margin-top: 8px; }
.pricing-card.featured .promo-price { color: white; font-size: 2.2rem; margin-left: auto; padding: 10px; }

/* Syllabus Clean */
.accordion { max-width: 900px; margin: 0 auto; }
.accordion-item {
    background: var(--surface); margin-bottom: 16px; border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02); border: 1px solid var(--border-light);
    transition: all 0.3s;
}
.accordion-item:hover { box-shadow: var(--shadow-soft); border-color: rgba(26,43,86,0.2); }
.accordion-header {
    padding: 25px 30px; cursor: pointer; display: flex; justify-content: space-between; align-items: center;
    font-weight: 700; font-size: 1.2rem; color: var(--primary-blue);
}
.accordion-header::after { content: '\f067'; font-family: 'FontAwesome'; color: var(--text-muted); transition: transform 0.3s; }
.accordion-item.active { border-color: var(--primary-blue); }
.accordion-item.active .accordion-header::after { transform: rotate(135deg); color: var(--primary-red); }
.accordion-content { padding: 0 30px; max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out, padding 0.3s ease-out; }
.accordion-item.active .accordion-content { padding: 0 30px 25px; max-height: 500px; }
.accordion-content p { color: var(--text-muted); font-weight: 500; }

/* Footer Light */
footer { background: var(--surface); padding: 100px 0 40px; border-top: 1px solid var(--border-light); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px; margin-bottom: 60px; }
.footer-col h4 { font-size: 1.2rem; margin-bottom: 30px; color: var(--primary-blue); }
.footer-col p { color: var(--text-muted); font-weight: 500; }
.footer-col a { color: var(--text-muted); display: block; margin-bottom: 16px; font-weight: 500; transition: all 0.3s; }
.footer-col a:hover { color: var(--primary-red); transform: translateX(5px); }
.footer-bottom { text-align: center; padding-top: 30px; border-top: 1px solid var(--bg-light); color: var(--text-muted); font-weight: 500; }

/* Testimonials & FAQ */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 40px; }
.testimonial-card {
    background: var(--surface); padding: 40px; border-radius: 24px;
    box-shadow: var(--shadow-soft); border: 1px solid var(--border-light);
    transition: transform 0.3s;
}
.testimonial-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.testimonial-card p { font-size: 1.1rem; color: var(--text-main); font-style: italic; margin-bottom: 30px; font-weight: 500; }
.testimonial-card .author { display: flex; align-items: center; gap: 15px; }
.testimonial-card .avatar {
    width: 50px; height: 50px; background: linear-gradient(135deg, var(--primary-blue), #2A4893); color: white;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; font-family: 'Outfit', sans-serif; font-weight: 700;
}
.testimonial-card .author strong { display: block; color: var(--primary-blue); font-size: 1.1rem; font-family: 'Outfit', sans-serif; font-weight: 800;}
.testimonial-card .author span { color: var(--text-muted); font-size: 0.9rem; font-weight: 500; }

/* Stats / Impacto Banner */
.stats-banner {
    background: var(--primary-blue); color: white; border-radius: 30px; padding: 60px;
    display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
    box-shadow: var(--shadow-hover); margin-bottom: 60px;
}
.stats-banner h2 { color: white; font-size: 2.8rem; margin-bottom: 20px; letter-spacing: -1px; }
.stats-banner p { font-size: 1.15rem; color: rgba(255,255,255,0.8); }
.stats-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat-card {
    background: rgba(255,255,255,0.05); padding: 30px; border-radius: 20px;
    text-align: center; border: 1px solid rgba(255,255,255,0.1);
}
.stat-card strong { display: block; font-size: 3.5rem; font-family: 'Outfit', sans-serif; line-height: 1; margin-bottom: 10px;}
.stat-card span { font-size: 0.95rem; color: rgba(255,255,255,0.7); display: block; }

@media (max-width: 1024px) {
    .bento-grid { grid-template-columns: 1fr 1fr; }
    .bento-item.large { grid-column: span 2; }
    .pricing-grid { grid-template-columns: 1fr; }
    .stats-banner { grid-template-columns: 1fr; padding: 40px; }
}
@media (max-width: 768px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero { padding: 140px 0 60px; }
    .nav-links { display: none; }
    .bento-grid { grid-template-columns: 1fr; }
    .bento-item.large { grid-column: span 1; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-content h1 { font-size: 3.5rem; }
    .stats-cards { grid-template-columns: 1fr; }
    .stats-banner h2 { font-size: 2.2rem; }
}

@media (max-width: 1024px) { .testimonials-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .testimonials-grid { grid-template-columns: 1fr; } }


.hamburger { display: none; background: none; border: none; font-size: 2.2rem; margin-left: auto; padding: 10px; color: var(--primary-blue); cursor: pointer; }
@media (max-width: 768px) { .hamburger { display: block; } .nav-links { flex-direction: column; position: absolute; top: 90px; left: 0; width: 100%; background: #ffffff; padding: 20px; box-shadow: 0 10px 20px rgba(0,0,0,0.1); z-index: 999; } .nav-links.active { display: flex !important; } .dropdown-content { position: static; transform: none; box-shadow: none; border: none; display: none; padding-left: 20px; } .dropdown:hover .dropdown-content { display: block; } }