/*
 * Web pública de fittrena.com (2026-09-28). CSS plano sobre los tokens
 * compartidos de /css/tokens.css (misma paleta que la app y el panel).
 * Reglas del kit: dark-first, lima solo como acento, sin sombras ni
 * gradientes, blobs difuminados de fondo, Satoshi Black para titulares
 * con tracking -0.04em, micro-etiquetas en mayúsculas con 0.16em,
 * tarjetas radio 20, pills 999.
 */

* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    background: var(--graphite);
    color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; }

/* ---------- Tipografía ---------- */
.h-display, h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1.04;
    text-wrap: balance;
}
h1 { font-size: clamp(2.6rem, 7vw, 5rem); }
h2 { font-size: clamp(2rem, 4.6vw, 3.2rem); }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.5rem); letter-spacing: -0.02em; }
h1 em, h2 em { font-style: normal; color: var(--lime); }
.micro {
    font-family: var(--font-body);
    font-size: .72rem; font-weight: 600;
    letter-spacing: .16em; text-transform: uppercase;
    color: var(--white-a60);
}
.muted { color: var(--white-a60); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--white-a75); max-width: 40ch; }

/* ---------- Layout ---------- */
.contenedor { width: min(1120px, 100% - 40px); margin-inline: auto; }
section.bloque { padding: clamp(64px, 9vw, 120px) 0; position: relative; }
section.bloque + section.bloque { border-top: 1px solid var(--white-a08); }
.cabecera-seccion { max-width: 62ch; margin-bottom: clamp(32px, 5vw, 56px); }
.cabecera-seccion .micro { margin-bottom: 14px; display: block; }
.cabecera-seccion p { margin-top: 14px; }
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* ---------- Fondo: blobs difuminados (kit) ---------- */
.blobs { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.blob { position: absolute; border-radius: 50%; filter: blur(120px); opacity: .55; }
.blob--lime { width: 46vw; height: 46vw; max-width: 620px; max-height: 620px; background: var(--lime-a40); top: -12%; right: -10%; }
.blob--electric { width: 40vw; height: 40vw; max-width: 520px; max-height: 520px; background: var(--electric-a35); bottom: -10%; left: -12%; }
section.bloque > .contenedor { position: relative; z-index: 1; }

/* ---------- Botones ---------- */
.pill {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    font-family: var(--font-display); font-weight: 700; font-size: 1rem;
    background: var(--lime); color: var(--graphite);
    border: 0; cursor: pointer; text-decoration: none;
    padding: 14px 28px; border-radius: var(--radius-pill);
    transition: transform var(--dur-fast) var(--ease-ui), filter var(--dur-fast) var(--ease-ui);
}
.pill:hover { transform: translateY(-1px); filter: brightness(1.05); }
.pill--secundaria { background: transparent; color: var(--white); border: 1px solid var(--border-strong); }
.pill--secundaria:hover { background: var(--white-a08); filter: none; }
.pill--pequena { padding: 10px 18px; font-size: .9rem; }
.pill--grande { padding: 18px 36px; font-size: 1.1rem; }
.enlace-suave { background: none; border: 0; cursor: pointer; text-decoration: none; color: var(--white-a60); font-weight: 600; padding: 8px 12px; transition: color var(--dur-fast); }
.enlace-suave:hover, .enlace-suave[aria-current="page"] { color: var(--white); }

/* ---------- Tarjetas ---------- */
.card {
    background: var(--carbon);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-xl);
    padding: 24px;
}
.card--raised { background: var(--slate); border-color: var(--border-strong); }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--white-a75); font-size: .95rem; }
.card .icono { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--lime-a14); color: var(--lime); font-size: 1.4rem; margin-bottom: 16px; }
.badge {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
    padding: 4px 10px; border-radius: 7px; background: var(--white-a08); color: var(--white-a75);
}
.badge--lima { background: var(--lime-a14); color: var(--lime); }
.badge--lavanda { background: var(--lavender-a16); color: var(--lavender); }

/* ---------- Nav ---------- */
.nav {
    position: sticky; top: 0; z-index: 30;
    background: rgba(11, 11, 13, .78);
    backdrop-filter: var(--blur-nav); -webkit-backdrop-filter: var(--blur-nav);
    border-bottom: 1px solid var(--white-a08);
}
.nav .contenedor { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 68px; }
.wordmark { font-family: var(--font-display); font-weight: 900; font-size: 1.35rem; letter-spacing: -0.03em; text-decoration: none; color: var(--white); }
.wordmark span { color: var(--lime); }
.nav__enlaces { display: flex; align-items: center; gap: 4px; }
.nav__acciones { display: flex; align-items: center; gap: 8px; }
.nav__hamburguesa { display: none; background: none; border: 1px solid var(--border-strong); border-radius: 10px; width: 42px; height: 42px; cursor: pointer; color: var(--white); }
@media (max-width: 860px) {
    .nav__enlaces, .nav__acciones .enlace-suave { display: none; }
    .nav__hamburguesa { display: grid; place-items: center; }
    .nav.abierta .nav__enlaces {
        display: flex; flex-direction: column; align-items: stretch;
        position: absolute; left: 0; right: 0; top: 68px;
        background: var(--carbon); border-bottom: 1px solid var(--white-a08);
        padding: 12px 20px 20px;
    }
    .nav.abierta .nav__enlaces .enlace-suave { padding: 14px 8px; border-bottom: 1px solid var(--white-a08); }
}

/* ---------- Selector de idioma ---------- */
.idiomas { position: relative; }
.idiomas summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px; border-radius: var(--radius-pill); border: 1px solid var(--border-strong); font-size: .85rem; font-weight: 600; color: var(--white-a75); }
.idiomas summary::-webkit-details-marker { display: none; }
.idiomas ul { list-style: none; position: absolute; right: 0; top: calc(100% + 8px); background: var(--carbon); border: 1px solid var(--border-strong); border-radius: 14px; padding: 6px; min-width: 150px; z-index: 40; }
.idiomas li a { display: block; padding: 10px 12px; border-radius: 10px; text-decoration: none; font-size: .9rem; color: var(--white-a75); }
.idiomas li a:hover, .idiomas li a[aria-current="true"] { background: var(--white-a08); color: var(--white); }
.footer .idiomas ul { top: auto; bottom: calc(100% + 8px); }

/* ---------- Hero ---------- */
.hero { padding: clamp(56px, 9vw, 120px) 0 clamp(48px, 7vw, 96px); overflow: hidden; }
.hero .contenedor { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.hero__chip { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 22px; }
.hero__chip .punto { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); }
.hero h1 { margin-bottom: 20px; }
.hero .lead { margin-bottom: 32px; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero__nota { margin-top: 18px; font-size: .9rem; color: var(--white-a60); }
.hero__icono { width: 64px; height: 64px; border-radius: 22%; background: var(--carbon); border: 1px solid var(--border-strong); display: grid; place-items: center; margin-bottom: 24px; }
.hero__icono img { width: 58%; height: 58%; object-fit: contain; }
@media (max-width: 860px) { .hero .contenedor { grid-template-columns: 1fr; } }

/* ---------- Pizarra de ejemplo (imagen del hero en CSS) ---------- */
.pizarra {
    background: var(--carbon); border: 1px solid var(--border-strong);
    border-radius: 26px; padding: 22px; max-width: 420px; margin-inline: auto;
    font-family: var(--font-display);
}
.pizarra__cabecera { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; gap: 12px; }
.pizarra__cabecera .micro { color: var(--lime); }
.pizarra__titulo { font-size: 1.35rem; font-weight: 900; letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 4px; }
.pizarra__meta { font-family: var(--font-body); font-size: .85rem; color: var(--white-a60); margin-bottom: 16px; }
.pizarra__bloque { border-top: 1px solid var(--white-a08); padding: 12px 0; }
.pizarra__bloque .micro { color: var(--lavender); margin-bottom: 6px; display: block; }
.pizarra__linea { display: flex; align-items: center; gap: 10px; padding: 4px 0; font-size: .98rem; }
.pizarra__check { width: 18px; height: 18px; border-radius: 6px; border: 1.5px solid var(--white-a45); flex: none; }
.pizarra__check.hecho { background: var(--lime); border-color: var(--lime); position: relative; }
.pizarra__check.hecho::after { content: ''; position: absolute; left: 5px; top: 2px; width: 5px; height: 9px; border: solid var(--graphite); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.pizarra__linea.hecha { color: var(--white-a45); text-decoration: line-through; }
.pizarra__razon { font-family: var(--font-body); font-size: .85rem; color: var(--white-a60); padding: 12px 0 4px; border-top: 1px solid var(--white-a08); }
.pizarra__pie { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; gap: 12px; }
.pizarra__firma { display: flex; align-items: center; gap: 8px; font-family: var(--font-body); font-size: .8rem; color: var(--white-a60); }
.pizarra__firma .isotipo { width: 24px; height: 24px; border-radius: 50%; background: var(--lime); display: grid; place-items: center; }
.pizarra__firma .isotipo img { width: 60%; }

/* ---------- Problema ---------- */
.problema .grid-2 > .card { padding: 32px; }
.problema .cierre { margin-top: 28px; font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; color: var(--lime); }

/* ---------- Pasos (cómo entrena la IA / cómo funciona) ---------- */
.pasos { counter-reset: paso; display: grid; gap: 20px; }
.paso { display: grid; grid-template-columns: 56px 1fr; gap: 18px; align-items: start; }
.paso__numero { width: 56px; height: 56px; border-radius: 50%; background: var(--lime); color: var(--graphite); font-family: var(--font-display); font-weight: 900; font-size: 1.4rem; display: grid; place-items: center; }
.paso h3 { margin-bottom: 6px; }
.paso p { color: var(--white-a75); }
.regla { margin-top: 32px; display: flex; gap: 14px; align-items: center; padding: 18px 22px; border-radius: var(--radius-xl); border: 1px dashed var(--lavender-a35); background: var(--lavender-a16); }
.regla .badge { flex: none; }

/* Cómo funciona: pasos con captura */
.recorrido { display: grid; gap: clamp(40px, 6vw, 72px); }
.paso-captura { display: grid; grid-template-columns: 1fr 300px; gap: clamp(24px, 4vw, 56px); align-items: center; }
.paso-captura:nth-child(even) { grid-template-columns: 300px 1fr; }
.paso-captura:nth-child(even) .paso-captura__texto { order: 2; }
@media (max-width: 760px) { .paso-captura, .paso-captura:nth-child(even) { grid-template-columns: 1fr; } .paso-captura:nth-child(even) .paso-captura__texto { order: 0; } }
.tabs-recorrido { display: inline-flex; gap: 4px; padding: 4px; border: 1px solid var(--border-strong); border-radius: var(--radius-pill); margin-bottom: clamp(32px, 5vw, 56px); }
.tabs-recorrido a { text-decoration: none; padding: 10px 18px; border-radius: var(--radius-pill); font-weight: 700; font-family: var(--font-display); color: var(--white-a60); }
.tabs-recorrido a.activa { background: var(--lime); color: var(--graphite); }

/* ---------- Captura de la app (real o marco vacío) ---------- */
.captura { width: min(300px, 100%); aspect-ratio: 9 / 19.5; margin-inline: auto; border-radius: 36px; border: 1px solid var(--border-strong); background: var(--carbon); overflow: hidden; position: relative; }
.captura img { width: 100%; height: 100%; object-fit: cover; }
.captura--vacia { display: grid; place-items: center; color: var(--white-a45); font-size: 3rem; }
.captura--vacia::after { content: attr(data-etiqueta); position: absolute; bottom: 20px; left: 0; right: 0; text-align: center; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; }
/* Sin captura todavía, en móvil el marco vacío no merece una pantalla entera */
@media (max-width: 760px) { .captura--vacia { aspect-ratio: 9 / 10; max-width: 260px; } }

/* ---------- Especialistas de IA ---------- */
.especialista { display: flex; gap: 14px; align-items: center; }
.especialista__avatar { width: 52px; height: 52px; border-radius: 50%; background: var(--color, var(--lime)); display: grid; place-items: center; font-size: 1.5rem; flex: none; }
.especialista strong { display: block; font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em; }
.especialista span { font-size: .85rem; color: var(--white-a60); }

/* ---------- FAQ ---------- */
.faq details { border-top: 1px solid var(--white-a08); padding: 18px 0; }
.faq details:last-child { border-bottom: 1px solid var(--white-a08); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--lime); font-size: 1.4rem; line-height: 1; }
.faq details[open] summary::after { content: '−'; }
.faq details p { margin-top: 10px; color: var(--white-a75); max-width: 70ch; }

/* ---------- CTA final ---------- */
.cta-final { text-align: center; }
.cta-final h2 { margin-bottom: 8px; }
.cta-final .lead { margin: 0 auto 28px; }

/* ---------- Precios ---------- */
.precio-tarjeta { display: flex; flex-direction: column; gap: 14px; }
.precio-tarjeta--destacada { border-color: var(--lime); }
.precio-tarjeta .importe { font-family: var(--font-display); font-weight: 900; font-size: 2.2rem; letter-spacing: -0.03em; line-height: 1; }
.precio-tarjeta .importe small { font-family: var(--font-body); font-size: .9rem; font-weight: 500; color: var(--white-a60); letter-spacing: 0; }
.precio-tarjeta ul { list-style: none; display: grid; gap: 8px; color: var(--white-a75); font-size: .95rem; }
.precio-tarjeta li { padding-left: 24px; position: relative; }
.precio-tarjeta li::before { content: ''; position: absolute; left: 0; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: var(--lime-a40); }
.precio-tarjeta .pill { margin-top: auto; align-self: flex-start; }
.toggle-periodo { display: inline-flex; gap: 4px; padding: 3px; border: 1px solid var(--border-strong); border-radius: var(--radius-pill); }
.toggle-periodo button { background: none; border: 0; cursor: pointer; padding: 8px 16px; border-radius: var(--radius-pill); font-family: var(--font-display); font-weight: 700; font-size: .9rem; color: var(--white-a60); }
.toggle-periodo button[aria-pressed="true"] { background: var(--lime); color: var(--graphite); }
.nota { font-size: .85rem; color: var(--white-a60); max-width: 70ch; }
.nota strong { color: var(--white-a75); }

/* ---------- Descarga ---------- */
.tiendas { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.tiendas img { height: 54px; width: auto; }
.qr { width: 200px; height: 200px; border-radius: 20px; background: var(--white); padding: 12px; }
.descarga-hero .contenedor { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
@media (max-width: 760px) { .descarga-hero .contenedor { grid-template-columns: 1fr; } }

/* ---------- Lista de espera (inline y modal) ---------- */
.lista-espera form { display: flex; flex-direction: column; gap: 10px; max-width: 380px; }
.lista-espera input[type="email"], .lista-espera input[type="text"]:not(.honeypot) {
    font: inherit; font-weight: 600; padding: 14px 20px; border-radius: var(--radius-pill);
    border: 1px solid var(--border-strong); background: var(--carbon); color: var(--white); outline: none;
}
.lista-espera input:focus { border-color: var(--lime); }
.lista-espera .error { color: var(--coral); font-size: .85rem; display: none; }
.lista-espera .exito { display: none; color: var(--lime); font-weight: 600; }
.lista-espera.enviado form, .lista-espera.enviado .previo { display: none; }
.lista-espera.enviado .exito { display: block; }
.honeypot { position: absolute; left: -9999px; opacity: 0; }

dialog.modal { border: 0; border-radius: 28px; padding: 36px 32px; background: var(--carbon); color: var(--white); max-width: 400px; width: calc(100vw - 40px); position: fixed; inset: 0; margin: auto; height: fit-content; border: 1px solid var(--border-strong); }
dialog.modal::backdrop { background: rgba(0, 0, 0, .72); }
dialog.modal h3 { font-size: 1.6rem; margin-bottom: 8px; }
dialog.modal h3 em { font-style: normal; color: var(--lime); }
dialog.modal .cerrar { margin-top: 20px; background: none; border: 1px solid var(--border-strong); color: var(--white-a75); border-radius: var(--radius-pill); padding: 10px 22px; cursor: pointer; }
dialog.modal img.qr { margin: 16px 0; }

/* ---------- Sugerencia de idioma ---------- */
.sugerencia-idioma { background: var(--carbon); border-bottom: 1px solid var(--white-a08); font-size: .9rem; text-align: center; padding: 10px 20px; }
.sugerencia-idioma a { color: var(--lime); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--white-a08); padding: 40px 0; font-size: .9rem; color: var(--white-a60); }
.footer .contenedor { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; }
.footer__grupo { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.footer a { text-decoration: none; color: var(--white-a60); }
.footer a:hover { color: var(--white); }
.footer .ig svg { display: block; width: 18px; height: 18px; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .pill:hover { transform: none; }
}