:root {
    --bg: #ffffff;
    --surface: #ffffff;
    --surface-alt: #f2f5f2;
    --text: #1c1e1c;
    --text-muted: #5f6b62;
    --accent: #1f6e4f;
    --accent-light: #e4efe7;
    --accent-contrast: #ffffff;
    --border: #dde1dc;
    --radius: 14px;
    --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-head: "Bricolage Grotesque", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0b100d;
        --surface: #161c18;
        --surface-alt: #10140f;
        --text: #eef2ef;
        --text-muted: #9caa9f;
        --accent: #4cae82;
        --accent-light: #a8dcc0;
        --accent-contrast: #0b140f;
        --border: #283029;
    }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.wrap {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 20px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 {
    font-family: var(--font-head);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.01em;
    margin: 0 0 0.5em;
    color: var(--text);
}

h1 { font-size: clamp(2.1rem, 4vw, 3rem); font-weight: 500; }
h2 { font-size: 1.5rem; margin-top: 2.5rem; font-weight: 500; }

/* Header — translucent, content scrolls under it */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid var(--border);
    background: color-mix(in srgb, var(--bg) 78%, transparent);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 9px;
    font-family: var(--font-head);
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text);
}

.brand:hover { text-decoration: none; }
.brand__mark { color: var(--text); flex-shrink: 0; }
.brand__tld { color: var(--accent); }

.site-nav {
    display: flex;
    align-items: center;
    gap: 22px;
}

.site-nav a {
    color: var(--text-muted);
    font-size: 0.92rem;
}

.site-nav a:hover { color: var(--text); }

@media (max-width: 560px) {
    .site-header__inner {
        flex-wrap: wrap;
        row-gap: 6px;
    }
    .site-nav {
        gap: 16px;
        flex-basis: 100%;
    }
}

/* Hero */
.hero {
    padding: 88px 20px 40px;
    text-align: center;
}

.hero h1 { max-width: 720px; margin-left: auto; margin-right: auto; }

.hero__sub {
    color: var(--text-muted);
    max-width: 480px;
    margin: 18px auto 0;
    font-size: 1.15rem;
    line-height: 1.45;
}

/* Breadcrumb */
.breadcrumb {
    padding: 18px 20px 0;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb span { margin: 0 6px; opacity: 0.6; }

/* Category sections + grid */
.categoria { margin-bottom: 8px; padding-top: 8px; }
.categoria h2 { border-top: 1px solid var(--border); padding-top: 2.5rem; }
.categoria:first-child h2 { border-top: none; padding-top: 0; }

.receta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 22px;
    margin: 20px 0 20px;
}

.receta-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    color: var(--text);
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.receta-card:hover {
    text-decoration: none;
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

.receta-card__img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    display: block;
    background: var(--surface-alt);
}

.receta-card__body { padding: 16px 18px 18px; }
.receta-card__body h3 {
    font-family: var(--font-head);
    font-weight: 500;
    font-size: 1.15rem;
    margin-bottom: 6px;
    letter-spacing: -0.005em;
}
.receta-card__body p { font-size: 0.9rem; color: var(--text-muted); margin: 0 0 10px; line-height: 1.4; }
.receta-card__meta {
    color: var(--text-muted) !important;
    font-weight: 500;
    font-size: 0.78rem !important;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Recipe page */
.receta__header { padding-top: 32px; }
.receta__categoria {
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.76rem;
    color: var(--accent);
    font-weight: 600;
    margin: 0 0 10px;
}

.receta h1 { max-width: 760px; }
.receta__desc { color: var(--text-muted); font-size: 1.15rem; max-width: 640px; line-height: 1.45; }

.receta__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 28px;
    margin: 22px 0 28px;
    padding: 16px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    font-size: 0.88rem;
}

.receta__meta strong { font-weight: 600; color: var(--text); display: block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-muted); margin-bottom: 2px; }

.receta__img {
    width: 100%;
    max-width: 100%;
    height: auto;
    aspect-ratio: 1200 / 630;
    object-fit: cover;
    border-radius: var(--radius);
    background: var(--surface-alt);
    margin-bottom: 32px;
    border: 1px solid var(--border);
}

.receta__cuerpo {
    display: grid;
    grid-template-columns: 1fr;
    gap: 36px;
}

@media (min-width: 720px) {
    .receta__cuerpo { grid-template-columns: 300px 1fr; }
}

.ingredientes {
    background: var(--surface-alt);
    border-radius: var(--radius);
    padding: 22px 24px;
    align-self: start;
}

.ingredientes h2, .pasos h2 { margin-top: 0; font-size: 1.3rem; }

.ingredientes__lista, .pasos__lista { padding-left: 20px; margin: 0; }
.ingredientes__lista li { margin-bottom: 10px; line-height: 1.4; }
.pasos__lista li { margin-bottom: 16px; padding-left: 4px; line-height: 1.55; }

.receta__tip {
    margin-top: 24px;
    padding: 16px 20px;
    background: var(--surface-alt);
    border-left: 2px solid var(--accent);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

.robot-box {
    margin: 40px 0 48px;
    padding: 28px 28px 30px;
    border-radius: var(--radius);
    background: var(--text);
    color: var(--bg);
}

.robot-box h2 { margin-top: 0; color: var(--bg); }
.robot-box__resumen { font-weight: 500; color: var(--accent-light); opacity: 0.9; margin: 0 0 12px; font-size: 0.95rem; }
.robot-box p:last-child { margin-bottom: 0; opacity: 0.92; line-height: 1.55; }

@media (prefers-color-scheme: dark) {
    .robot-box { background: var(--surface-alt); border: 1px solid var(--border); color: var(--text); }
    .robot-box h2 { color: var(--text); }
}

.receta__enlace-guia {
    margin: -16px 0 40px;
    font-size: 0.92rem;
    color: var(--text-muted);
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    margin-top: 48px;
    padding: 28px 20px 48px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.site-footer__inner p { margin: 4px 0; }
.site-footer__legal { font-size: 0.78rem; }

/* ---------------------------------------------------------------- */
/* Guías comparativas (Etapa 2) — mismo sistema de diseño que las   */
/* recetas: header/breadcrumb/receta-card se comparten agrupando    */
/* selectores; esto es contenido nuevo (tablas, callout, FAQ).      */
/* ---------------------------------------------------------------- */

.guia__header { padding-top: 32px; }
.guia__categoria {
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.76rem;
    color: var(--accent);
    font-weight: 600;
    margin: 0 0 10px;
}

.guia h1 { max-width: 780px; }
.guia__desc { color: var(--text-muted); font-size: 1.15rem; max-width: 680px; line-height: 1.45; }

.guia__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 28px;
    margin: 22px 0 8px;
    padding: 14px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    font-size: 0.82rem;
    color: var(--text-muted);
}

.guia__cuerpo {
    max-width: 720px;
    margin: 36px 0 8px;
    font-size: 1.02rem;
    line-height: 1.65;
}

.guia__cuerpo h2 { margin-top: 2.6rem; font-size: 1.4rem; }
.guia__cuerpo h3 { margin-top: 1.8rem; font-size: 1.1rem; }
.guia__cuerpo p { margin: 0 0 1.1em; }
.guia__cuerpo ul, .guia__cuerpo ol { padding-left: 22px; margin: 0 0 1.3em; }
.guia__cuerpo li { margin-bottom: 8px; }
.guia__cuerpo strong { color: var(--text); }

.tabla-wrap {
    overflow-x: auto;
    margin: 0 0 1.6em;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.tabla { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.tabla th, .tabla td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.tabla th { background: var(--surface-alt); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--text-muted); }
.tabla tr:last-child td { border-bottom: none; }
.tabla td:first-child, .tabla th:first-child { white-space: normal; font-weight: 500; }

/* Callout oscuro reutilizado del robot-box de las recetas */
.callout,
.robot-box {
    margin: 32px 0 40px;
    padding: 26px 28px 28px;
    border-radius: var(--radius);
    background: var(--text);
    color: var(--bg);
}

.callout h2, .callout h3, .robot-box h2 { margin-top: 0; color: var(--bg); }
.callout__eyebrow, .robot-box__resumen { font-weight: 500; color: var(--accent-light); opacity: 0.9; margin: 0 0 12px; font-size: 0.95rem; }
.callout p:last-child, .robot-box p:last-child { margin-bottom: 0; opacity: 0.92; line-height: 1.55; }

@media (prefers-color-scheme: dark) {
    .callout, .robot-box { background: var(--surface-alt); border: 1px solid var(--border); color: var(--text); }
    .callout h2, .callout h3, .robot-box h2 { color: var(--text); }
}

.guia__faq { max-width: 720px; margin: 8px 0 40px; }
.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
}
.faq-item summary {
    font-family: var(--font-head);
    font-size: 1.05rem;
    font-weight: 500;
    cursor: pointer;
    color: var(--text);
    list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: "+"; display: inline-block; width: 18px; color: var(--accent); font-weight: 600; }
.faq-item[open] summary::before { content: "\2212"; }
.faq-item p { margin: 12px 0 0 18px; color: var(--text-muted); line-height: 1.55; }

.guia-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    color: var(--text);
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.guia-card:hover {
    text-decoration: none;
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

.guia-card__body { padding: 20px 22px 22px; }
.guia-card__body h3 { font-family: var(--font-head); font-weight: 500; font-size: 1.2rem; margin-bottom: 8px; }
.guia-card__body p { font-size: 0.92rem; color: var(--text-muted); margin: 0; line-height: 1.5; }
.guia-card__meta {
    display: block;
    margin-top: 12px;
    color: var(--accent) !important;
    font-weight: 600;
    font-size: 0.78rem !important;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.guias-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 22px;
    margin: 24px 0 20px;
}

/* ---------------------------------------------------------------- */
/* Landing (Capa 3) — corta, precio claro, un solo botón             */
/* ---------------------------------------------------------------- */

.landing-hero { padding: 72px 20px 8px; text-align: center; }
.landing-hero h1 { max-width: 760px; margin: 0 auto; }
.landing-hero__sub {
    color: var(--text-muted);
    max-width: 560px;
    margin: 18px auto 0;
    font-size: 1.15rem;
    line-height: 1.45;
}

.landing-precios {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    max-width: 760px;
    margin: 40px auto;
}

.precio-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 20px;
    text-align: left;
    background: var(--surface);
}

.precio-card__marca { font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); margin: 0 0 6px; }
.precio-card__valor { font-family: var(--font-head); font-size: 1.7rem; font-weight: 600; margin: 0 0 6px; }
.precio-card__nota { font-size: 0.85rem; color: var(--text-muted); margin: 0; line-height: 1.4; }

.landing-cta {
    text-align: center;
    margin: 8px 0 56px;
}

.boton-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent);
    color: var(--accent-contrast);
    font-size: 1.05rem;
    font-weight: 600;
    padding: 16px 34px;
    border-radius: 999px;
    text-decoration: none;
}

.boton-cta:hover { text-decoration: none; opacity: 0.92; }
.boton-cta svg { flex-shrink: 0; }

.landing-cta__nota { margin-top: 14px; font-size: 0.85rem; color: var(--text-muted); }

.landing-section { max-width: 720px; margin: 0 auto 48px; padding: 0 20px; }
.landing-section h2 { text-align: center; }

.trust-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 14px;
}

.trust-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 0.98rem;
    line-height: 1.5;
}

.trust-list svg { flex-shrink: 0; margin-top: 3px; color: var(--accent); }

.landing-links { text-align: center; font-size: 0.92rem; color: var(--text-muted); }