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

:root {
    --lila: #7c3aed;
    --lila-oscuro: #5b21b6;
    --fucsia: #d946ef;
    --fucsia-claro: #f0abfc;
    --lila-claro: #ede9fe;
    --fondo-alt: #fdf4ff;
    --texto: #1e1b4b;
    --texto-secundario: #6b7280;
    --fondo: #ffffff;
    --card-bg: #ffffff;
    --card-shadow: rgba(124, 58, 237, 0.08);
    --nav-bg: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] {
    --lila: #a78bfa;
    --lila-oscuro: #c4b5fd;
    --fucsia: #e879f9;
    --fucsia-claro: #86198f;
    --lila-claro: #2e1065;
    --fondo-alt: #1e1033;
    --texto: #f3f4f6;
    --texto-secundario: #9ca3af;
    --fondo: #0f0a1a;
    --card-bg: #1a1030;
    --card-shadow: rgba(167, 139, 250, 0.1);
    --nav-bg: rgba(15, 10, 26, 0.95);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--texto);
    background: var(--fondo);
    line-height: 1.6;
    transition: background 0.3s, color 0.3s;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px var(--card-shadow);
    z-index: 1000;
    padding-top: env(safe-area-inset-top, 0px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--lila);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-img {
    height: 36px;
    width: auto;
}

[data-theme="dark"] .logo-img {
    content: url('logo.png');
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--texto-secundario);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.nav-links a:hover { color: var(--fucsia); }

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.menu-toggle, .dark-toggle {
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    padding: 0.3rem;
    border-radius: 8px;
    transition: background 0.3s;
}

.dark-toggle:hover { background: var(--lila-claro); }
.menu-toggle { display: none; }

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #a78bfa 0%, #e879f9 100%);
    padding: 6rem 2rem 2rem;
}

.hero-inner {
    max-width: 1200px;
    display: flex;
    align-items: center;
    gap: 3rem;
}

.hero-content {
    flex: 1;
    text-align: left;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-image img {
    max-width: 100%;
    max-height: 500px;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: #fff;
    margin-bottom: 1rem;
}

.hero-logo {
    height: 120px;
    width: auto;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-stats .stat { color: #fff; text-align: center; }
.hero-stats .stat span { display: block; font-size: 1.8rem; font-weight: 700; }

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: #fff;
    color: var(--lila);
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(217, 70, 239, 0.3);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--lila);
    color: var(--lila);
}

.btn-outline:hover { background: var(--lila); color: #fff; }

/* Secciones */
.section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-alt {
    max-width: 100%;
    background: var(--fondo-alt);
    padding: 5rem 2rem;
}

.section-alt > * {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.section h2 {
    text-align: center;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--lila-oscuro);
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--texto-secundario);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

/* About */
.about-content {
    max-width: 800px;
    margin: 0 auto 2rem;
    text-align: center;
}

.about-content p { margin-bottom: 1rem; color: var(--texto-secundario); font-size: 1.05rem; }

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.about-card {
    text-align: center;
    padding: 2rem;
    border-radius: 16px;
    background: var(--card-bg);
    box-shadow: 0 4px 20px var(--card-shadow);
    transition: transform 0.3s;
}

.about-card:hover { transform: translateY(-5px); }
.about-card .icon { font-size: 2.5rem; display: block; margin-bottom: 1rem; }
.about-card h3 { margin-bottom: 0.5rem; color: var(--lila); }

.pillars-title {
    margin-top: 3rem;
    margin-bottom: 0;
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2.5rem;
    margin-top: 3.5rem;
    text-align: center;
}

.pillar-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.pillar-icon-wrap {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--lila-claro);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.pillar-card h3 { color: var(--lila); font-size: 1.05rem; margin: 0; }
.pillar-card p { color: var(--texto-secundario); font-size: 0.92rem; margin: 0; line-height: 1.6; max-width: 260px; }

/* Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
    margin-top: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0.6rem;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--lila), var(--fucsia));
    border-radius: 3px;
}

.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
    padding-left: 2rem;
}

.timeline-dot {
    position: absolute;
    left: -1.65rem;
    top: 0.3rem;
    width: 14px;
    height: 14px;
    background: var(--fucsia);
    border-radius: 50%;
    border: 3px solid var(--fondo);
    box-shadow: 0 0 0 3px var(--fucsia);
}

.timeline-date {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--fucsia);
    margin-bottom: 0.3rem;
}

.timeline-content h3 { color: var(--lila-oscuro); margin-bottom: 0.3rem; }
.timeline-content p { color: var(--texto-secundario); }

/* Events */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.event-card {
    background: var(--card-bg);
    padding: 1.75rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px var(--card-shadow);
    border-left: 4px solid var(--fucsia);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.event-card h3 { font-size: 1.05rem; line-height: 1.4; flex: 1; }
.event-date { font-size: 0.8rem; font-weight: 700; color: var(--fucsia); }
.event-venue { font-size: 0.8rem; color: var(--texto-secundario); }

.event-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--card-shadow);
}

.event-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--lila-claro);
    color: var(--lila);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.btn-event {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1.1rem;
    background: linear-gradient(135deg, var(--lila), var(--fucsia));
    color: #fff;
    border-radius: 10px;
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.15s, box-shadow 0.15s;
    box-shadow: 0 2px 8px rgba(168,85,247,0.35);
}
.btn-event:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(168,85,247,0.45); }

.events-cta { text-align: center; margin-top: 2.5rem; }

.no-events {
    text-align: center;
    padding: 3rem;
    grid-column: 1 / -1;
}

.no-events .icon { font-size: 2.5rem; display: block; margin-bottom: 1rem; }
.no-events p { color: var(--texto-secundario); font-size: 1.1rem; }

/* Blog */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px var(--card-shadow);
    transition: transform 0.3s;
}

.blog-card:hover { transform: translateY(-3px); }

.blog-tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: linear-gradient(135deg, var(--lila), var(--fucsia));
    color: #fff;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.blog-card h3 { margin-bottom: 0.5rem; color: var(--lila-oscuro); font-size: 1.1rem; }
.blog-card p { color: var(--texto-secundario); margin-bottom: 1rem; }
.blog-meta { font-size: 0.8rem; color: var(--texto-secundario); }

/* Certificaciones */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 700px;
    margin: 0 auto;
}

.cert-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px var(--card-shadow);
}

.cert-level {
    display: inline-block;
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cert-level.beginner { background: #d1fae5; color: #065f46; }
.cert-level.intermediate { background: #fef3c7; color: #92400e; }

.cert-card h3 { color: var(--lila-oscuro); margin-bottom: 0.5rem; }
.cert-card p { color: var(--texto-secundario); margin-bottom: 1rem; }

.cert-resources {
    list-style: none;
    font-size: 0.9rem;
}

.cert-resources li {
    padding: 0.5rem 0;
    color: var(--texto-secundario);
    border-bottom: 1px solid var(--lila-claro);
}

.cert-resources li:last-child { border-bottom: none; }

.cert-resources a {
    color: var(--lila);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.cert-resources a:hover {
    color: var(--fucsia);
}

.cert-resources a::after {
    content: ' ↗';
    font-size: 0.75rem;
}

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
    background: var(--card-bg);
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 10px var(--card-shadow);
    overflow: hidden;
}

.faq-item summary {
    padding: 1.2rem 1.5rem;
    cursor: pointer;
    font-weight: 600;
    color: var(--lila-oscuro);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::after { content: '+'; font-size: 1.5rem; color: var(--fucsia); }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding: 0 1.5rem 1.2rem; color: var(--texto-secundario); }
.faq-item a { color: var(--fucsia); }

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 200px;
    gap: 1rem;
}

.gallery-item { border-radius: 12px; overflow: hidden; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-tall { grid-row: span 2; }

/* Community */
/* CTA Section */
.section-cta {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, #a78bfa 0%, #e879f9 100%);
}

.cta-grid {
    max-width: 860px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.cta-card {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.cta-icon { font-size: 2.5rem; }
.cta-card h3 { color: #fff; font-size: 1.3rem; margin: 0; }
.cta-card p { color: rgba(255,255,255,0.85); font-size: 0.95rem; line-height: 1.6; margin: 0; }

.btn-cta {
    display: inline-block;
    padding: 0.7rem 1.75rem;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    margin-top: 0.5rem;
}

.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.15); }

.btn-cta-primary { background: #fff; color: var(--lila); }
.btn-cta-outline { background: transparent; border: 2px solid #fff; color: #fff; }

.cta-grid-single { grid-template-columns: 1fr; max-width: 640px; }

.cta-list {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
}

.cta-list li { color: rgba(255,255,255,0.9); font-size: 0.95rem; }

.cta-builder-box {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.35);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
}

.cta-builder-box p { color: rgba(255,255,255,0.9); font-size: 0.9rem; line-height: 1.6; margin: 0; }
.cta-link { color: #fff; font-weight: 700; text-decoration: underline; }
.cta-link:hover { opacity: 0.85; }

.community-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.community-card {
    text-align: center;
    padding: 2rem;
    border-radius: 16px;
    background: var(--card-bg);
    text-decoration: none;
    color: var(--texto);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 2px solid transparent;
}

.community-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(217, 70, 239, 0.15);
    border-color: var(--fucsia-claro);
}

.community-card .icon { font-size: 2rem; display: block; margin-bottom: 0.5rem; }
.community-card h3 { color: var(--lila); }

.social-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 0.8rem;
    display: block;
    color: var(--lila);
    transition: color 0.3s;
}

.community-card:hover .social-icon { color: var(--fucsia); }

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    background: var(--fondo-alt);
    color: var(--texto-secundario);
    border-top: 1px solid var(--card-shadow);
}

.footer p + p { margin-top: 0.5rem; font-size: 0.9rem; }

/* FAQ links */
.faq-item a {
    color: var(--fucsia);
    text-decoration: none;
    font-weight: 500;
}

.faq-item a:hover { text-decoration: underline; }

/* Back to top */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--lila);
    color: #fff;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, transform 0.3s;
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    background: var(--fucsia);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.9);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.lightbox.active { display: flex; }

.lightbox img {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: 8px;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
}

/* Animaciones al scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--nav-bg);
        flex-direction: column;
        padding: 1rem 2rem;
        gap: 1rem;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }

    .nav-links.active { display: flex; }
    .menu-toggle { display: block; }
    .section, .section-alt { padding: 3rem 1.5rem; }

    .hero { padding-top: 5rem; min-height: auto; }

    .hero-inner {
        flex-direction: column;
        text-align: center;
    }

    .hero-content { text-align: center; }
    .hero-logo { height: 80px; }
    .hero-image img { max-height: 250px; }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 150px;
    }
}

@media (max-width: 480px) {
    .nav-container { padding: 0.8rem 1rem; }
    .logo { font-size: 1.2rem; }
    .hero { padding-top: 5rem; padding-left: 1.5rem; padding-right: 1.5rem; padding-bottom: max(4rem, env(safe-area-inset-bottom, 4rem)); min-height: auto; }
    .hero-image img { max-height: 180px; }
    .hero-stats .stat span { font-size: 1.4rem; }

    .about-grid, .events-grid, .community-links, .blog-grid, .cert-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 200px;
    }

    .gallery-tall { grid-row: span 1; }
}