/* ==========================================================================
   HSNutrición — Estilos
   ========================================================================== */

:root {
  --green-50:  #f1faf3;
  --green-100: #dff3e4;
  --green-200: #b9e6c4;
  --green-300: #8ad6a0;
  --green-400: #57c078;
  --green-500: #2fa25a;
  --green-600: #1f8a49;
  --green-700: #196f3c;
  --green-800: #145730;
  --green-900: #0f4325;
  --lime: #b7e64a;

  --ink: #12211a;
  --ink-soft: #4a5c53;
  --ink-faint: #7c8d84;
  --paper: #ffffff;
  --paper-tint: #f7fbf8;
  --line: #e3ece5;

  --rating-A: #1f8a49;
  --rating-B: #63a92f;
  --rating-C: #c99a1e;
  --rating-D: #d97a2b;
  --rating-E: #d0402f;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --shadow-sm: 0 2px 10px rgba(15, 67, 37, 0.06);
  --shadow-md: 0 12px 32px rgba(15, 67, 37, 0.10);
  --shadow-lg: 0 24px 60px rgba(15, 67, 37, 0.16);
  --font-display: "Fraunces", serif;
  --font-body: "Plus Jakarta Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

.container {
  width: min(1180px, 92%);
  margin-inline: auto;
}

h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; margin: 0; color: var(--ink); }
p { color: var(--ink-soft); line-height: 1.65; margin: 0 0 1em; }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Background decor ---------- */
.bg-decor {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .35;
  background: radial-gradient(circle at 30% 30%, var(--green-300), transparent 70%);
  animation: float 16s ease-in-out infinite;
}
.blob-1 { width: 480px; height: 480px; top: -160px; right: -120px; }
.blob-2 { width: 360px; height: 360px; top: 55%; left: -140px; animation-duration: 20s; animation-delay: -4s; background: radial-gradient(circle at 40% 40%, var(--lime), transparent 70%); }
.blob-3 { width: 300px; height: 300px; bottom: -100px; right: 10%; animation-duration: 24s; animation-delay: -8s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -40px) scale(1.08); }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  white-space: nowrap;
}
.btn svg { transition: transform .25s ease; }
.btn:hover svg { transform: translateX(3px); }

.btn-primary {
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-ghost {
  background: transparent;
  color: var(--green-700);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover { border-color: var(--green-400); background: var(--green-50); }

.btn-lg { padding: 15px 28px; font-size: 1.02rem; }
.btn-sm { padding: 10px 18px; font-size: .9rem; }

.btn-icon {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  background: var(--paper);
  color: var(--green-700);
  transition: background .2s ease, transform .4s ease, border-color .2s ease;
}
.btn-icon:hover { background: var(--green-50); border-color: var(--green-300); transform: rotate(45deg); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
}
.brand-mark {
  font-size: 1.5rem;
  display: inline-block;
  animation: sway 5s ease-in-out infinite;
}
@keyframes sway {
  0%, 100% { transform: rotate(-6deg); }
  50% { transform: rotate(6deg); }
}
.brand-name span { color: var(--green-600); }

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a {
  position: relative;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 6px 0;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--green-400), var(--lime));
  transition: width .3s ease;
  border-radius: 2px;
}
.main-nav a:hover { color: var(--green-700); }
.main-nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 6px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 70px 0 60px;
}
.hero-inner { max-width: 680px; }
.eyebrow {
  display: inline-block;
  color: var(--green-700);
  background: var(--green-100);
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 600;
  margin-bottom: 20px;
}
.text-underline {
  position: relative;
  color: var(--green-700);
  white-space: nowrap;
}
.text-underline::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 2px;
  height: .35em;
  background: var(--lime);
  opacity: .5;
  z-index: -1;
  border-radius: 3px;
}
.hero-sub { font-size: 1.1rem; max-width: 560px; }
.hero-cta { display: flex; gap: 14px; margin: 30px 0 40px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 34px; }
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong { font-family: var(--font-display); font-size: 1.6rem; color: var(--green-700); }
.hero-stats span { font-size: .82rem; color: var(--ink-faint); }

.hero-visual {
  position: absolute;
  right: 6%;
  top: 90px;
  width: 280px;
  display: none;
}
.mock-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  animation: floaty 5s ease-in-out infinite;
}
.mock-card-1 { transform: rotate(-4deg); }
.mock-card-2 { transform: rotate(3deg) translate(60px, 40px); animation-delay: -2.4s; }
@keyframes floaty {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -10px; }
}
.mock-emoji { font-size: 1.6rem; }
.mock-info { display: flex; align-items: center; gap: 8px; font-weight: 700; flex: 1; }
.mock-bar { width: 100%; height: 6px; background: var(--green-100); border-radius: 4px; overflow: hidden; }
.mock-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--green-400), var(--green-600)); border-radius: 4px; }
.mock-arrow {
  position: absolute; left: 45%; top: 40%;
  font-size: 1.6rem; color: var(--green-500);
}

/* ---------- Sections ---------- */
.section { padding: 80px 0; }
.section-tinted { background: var(--paper-tint); }
.section-title {
  text-align: center;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 600;
  margin-bottom: 12px;
}
.section-sub { text-align: center; max-width: 560px; margin: 0 auto 46px; font-size: 1.05rem; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  position: relative;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--green-200); }
.step-num {
  position: absolute; top: 22px; right: 26px;
  font-family: var(--font-display); font-size: 2.4rem;
  color: var(--green-100);
}
.step-icon { font-size: 2.2rem; margin-bottom: 14px; }
.step-card h3 { font-size: 1.15rem; margin-bottom: 8px; font-weight: 600; }
.step-card p { margin: 0; font-size: .95rem; }

/* ---------- Analyzer ---------- */
.analyzer {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 10px;
  max-width: 780px;
  margin: 0 auto;
}
.tabs { display: flex; gap: 6px; padding: 8px; }
.tab {
  flex: 1;
  padding: 12px 16px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--ink-faint);
  transition: background .25s ease, color .25s ease;
}
.tab.active { background: var(--green-50); color: var(--green-700); }
.tab-panel { display: none; padding: 26px 30px 30px; }
.tab-panel.active { display: block; animation: fadeIn .4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.panel-label { display: block; font-weight: 600; margin-bottom: 10px; color: var(--ink); }
textarea, #buscadorGuia {
  width: 100%;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: .98rem;
  resize: vertical;
  transition: border-color .2s ease, box-shadow .2s ease;
  color: var(--ink);
}
textarea:focus, #buscadorGuia:focus, .ai-lookup-form input:focus {
  outline: none;
  border-color: var(--green-400);
  box-shadow: 0 0 0 4px var(--green-100);
}
.tab-panel .btn { margin-top: 16px; }

.dropzone {
  border: 2px dashed var(--line);
  border-radius: var(--radius-md);
  padding: 40px 20px;
  text-align: center;
  transition: border-color .25s ease, background .25s ease;
  cursor: pointer;
}
.dropzone:hover, .dropzone.drag-over { border-color: var(--green-400); background: var(--green-50); }
.dropzone-icon { font-size: 2.2rem; display: block; margin-bottom: 10px; }
.dropzone-hint { display: block; font-size: .82rem; color: var(--ink-faint); margin-top: 6px; }
#previewImagen { max-height: 260px; margin: 0 auto; border-radius: var(--radius-sm); }

.analyzer-status {
  min-height: 20px;
  text-align: center;
  padding: 0 24px 18px;
  font-size: .9rem;
  color: var(--green-700);
  font-weight: 600;
}

.empty-state {
  max-width: 480px;
  margin: 40px auto 0;
  text-align: center;
  color: var(--ink-faint);
}
.empty-state span { font-size: 2.4rem; display: block; margin-bottom: 10px; }

/* ---------- Results ---------- */
.results { margin-top: 50px; }
.results-header {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 12px;
  margin-bottom: 26px;
}
.results-header h3 { font-size: 1.3rem; }
.results-count { color: var(--ink-faint); font-size: .9rem; }
.results-grid, .guia-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 22px;
}
/* La guía crece sin límite (alimentos base + comunidad), así que se le da una
   altura fija con scroll propio — si no, cada alimento nuevo alarga la página
   entera y aleja cada vez más las secciones siguientes. */
.guia-grid {
  max-height: 1000px;
  overflow-y: auto;
  padding: 4px 10px 4px 4px;
  scroll-behavior: smooth;
}

/* ---------- Recetas saludables ---------- */
.recetas-grid {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.receta-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  animation: cardIn .5s ease both;
  display: flex;
  flex-direction: column;
  scroll-margin-top: 90px;
}
.receta-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--green-200); }
.receta-foto {
  position: static;
  width: 100%;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 25% 20%, var(--lime) 0%, transparent 55%),
    linear-gradient(135deg, var(--green-100), var(--green-50) 60%, #fff);
  overflow: hidden;
}
.receta-foto-emoji {
  font-size: 4.4rem;
  letter-spacing: .08em;
  filter: drop-shadow(0 10px 18px rgba(15, 67, 37, .18));
}
/* object-fit: contain (no cover) para que la imagen se vea siempre completa,
   sin recortes, sea cual sea su proporción original. */
.receta-foto img { width: 100%; height: 100%; object-fit: contain; }
.receta-body { padding: 26px 28px 28px; }

.receta-breadcrumb { font-size: .9rem; }
.receta-breadcrumb a { color: var(--ink-faint); text-decoration: none; }
.receta-breadcrumb a:hover { color: var(--ink); }
.receta-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 6px; }
.receta-head h3 { font-size: 1.3rem; font-weight: 600; }
/* En su página propia (receta-<id>.html) el nombre es un <h1> real, más
   grande, en vez del <h3> que usaba dentro de la tarjeta-teaser. */
.receta-head h1 { font-family: var(--font-display); font-size: 1.7rem; font-weight: 600; }
.receta-meta { font-size: .85rem; color: var(--ink-faint); margin-bottom: 12px; }
.receta-desc { font-size: .98rem; }
.receta-body h4 { font-family: var(--font-display); font-size: 1.02rem; font-weight: 600; margin: 22px 0 10px; }

/* Ingredientes (columna estrecha) y elaboración (columna ancha), lado a lado. */
.receta-columnas {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(280px, 1.7fr);
  gap: 12px 32px;
  align-items: start;
}
.receta-columnas h4:first-child,
.receta-columnas > div > h4 { margin-top: 0; }
@media (max-width: 640px) {
  .receta-columnas { grid-template-columns: 1fr; }
}
.receta-hint { font-family: var(--font-body); font-weight: 400; font-size: .78rem; color: var(--ink-faint); }

/* ---------- Recetas: tarjetas-teaser (índice y galería de recetas.html) ---------- */
.recetas-teaser-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 22px;
}
/* Solo en el índice: altura fija (~8 tarjetas) con scroll propio, en vez de
   ir creciendo sin límite. La galería de recetas.html sí debe mostrarlas
   todas sin recorte, como el resto de la página. */
#recetasTeaserGrid {
  max-height: 640px;
  overflow-y: auto;
  padding: 4px 10px 4px 4px;
  scroll-behavior: smooth;
}
.receta-teaser-card {
  display: block;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  animation: cardIn .5s ease both;
}
.receta-teaser-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--green-200); }
.receta-teaser-foto {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 25% 20%, var(--lime) 0%, transparent 55%),
    linear-gradient(135deg, var(--green-100), var(--green-50) 60%, #fff);
  overflow: hidden;
}
.receta-teaser-foto img { width: 100%; height: 100%; object-fit: cover; }
.receta-teaser-foto .receta-foto-emoji { font-size: 2.6rem; }
.receta-teaser-badge { position: absolute; top: 10px; right: 10px; }
.receta-teaser-info { padding: 14px 16px 16px; }
.receta-teaser-info h3 { font-size: 1.02rem; font-weight: 600; margin-bottom: 4px; }
.receta-teaser-info .receta-meta { font-size: .82rem; color: var(--ink-faint); margin: 0; }
.recetas-teaser-cta { text-align: center; margin-top: 28px; }

.receta-ingredientes { display: flex; flex-direction: column; gap: 8px; }
.receta-ingredientes li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--paper-tint);
}
.ingrediente-link {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  padding: 0;
  font-weight: 600;
  font-size: .92rem;
  color: var(--green-700);
  cursor: pointer;
  text-align: left;
}
.ingrediente-link .food-emoji { width: 30px; height: 30px; font-size: 1.05rem; background: #fff; border-radius: 9px; }
.ingrediente-link:hover { text-decoration: underline; }
.ingrediente-cantidad { font-size: .82rem; color: var(--ink-faint); white-space: nowrap; }
.ingrediente-opcional { border: 1px dashed var(--line); background: transparent; }
.ingrediente-opcional-tag {
  font-size: .68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--rating-C);
  background: color-mix(in srgb, var(--rating-C) 14%, transparent);
  padding: 2px 7px;
  border-radius: 999px;
}
.ingrediente-pendiente { font-size: .9rem; color: var(--ink-faint); font-style: italic; }

.receta-pasos { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 8px; }
.receta-pasos li { font-size: .94rem; color: var(--ink-soft); line-height: 1.55; padding-left: 4px; }

.modal-ficha { max-width: 520px; padding: 0; background: transparent; box-shadow: none; }
.modal-ficha .modal-close { top: -14px; right: -14px; background: #fff; box-shadow: var(--shadow-md); z-index: 2; }
/* La ficha puede ser más alta que la pantalla (estudios de PubMed incluidos),
   así que el propio contenido —no el modal entero— es lo que hace scroll. */
.modal-ficha #fichaModalContenido { max-height: calc(100vh - 40px); overflow-y: auto; }
.modal-ficha #fichaModalContenido .food-card { box-shadow: var(--shadow-lg); }

/* ---------- Food card ---------- */
.food-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  animation: cardIn .5s ease both;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(16px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.food-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--green-200); }

.food-card-head { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 6px; }
.food-emoji {
  font-size: 1.8rem;
  width: 52px; height: 52px;
  display: grid; place-items: center;
  background: var(--green-50);
  border-radius: 14px;
  flex-shrink: 0;
}
.food-title { flex: 1; }
.food-title h4 { margin: 0 0 2px; font-size: 1.1rem; font-family: var(--font-display); font-weight: 600; }
.food-cat { font-size: .78rem; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .03em; }

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  border-radius: 50%;
  color: #fff;
  font-weight: 800;
  font-size: .95rem;
  flex-shrink: 0;
}
.badge-A { background: var(--rating-A); }
.badge-B { background: var(--rating-B); }
.badge-C { background: var(--rating-C); }
.badge-D { background: var(--rating-D); }
.badge-E { background: var(--rating-E); }

.food-motivo {
  font-size: .88rem;
  background: var(--paper-tint);
  border-left: 3px solid var(--green-300);
  padding: 10px 12px;
  border-radius: 8px;
  margin: 14px 0;
  color: var(--ink-soft);
}
.food-motivo-principal.clamped {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.leer-mas-toggle {
  display: block;
  background: none;
  border: none;
  padding: 0 0 10px;
  margin-top: -8px;
  color: var(--green-700);
  font-weight: 700;
  font-size: .82rem;
  cursor: pointer;
}
.leer-mas-toggle:hover { text-decoration: underline; }

.macro-table { width: 100%; margin: 14px 0; }
.macro-row { margin-bottom: 8px; }
.macro-row-head { display: flex; justify-content: space-between; font-size: .8rem; margin-bottom: 4px; }
.macro-row-head b { color: var(--ink); font-weight: 600; }
.macro-row-head span { color: var(--ink-faint); }
.macro-track { height: 6px; background: var(--green-50); border-radius: 4px; overflow: hidden; }
.macro-fill {
  height: 100%;
  border-radius: 4px;
  width: 0;
  background: linear-gradient(90deg, var(--green-400), var(--green-600));
  transition: width 1s cubic-bezier(.22,1,.36,1);
}
.macro-fill.fill-kcal { background: linear-gradient(90deg, #e8b23f, #c99a1e); }
.macro-fill.fill-carbs { background: linear-gradient(90deg, #7fb8e0, #3f83b0); }
.macro-fill.fill-proteinas { background: linear-gradient(90deg, #a68af0, #7854c9); }
.macro-fill.fill-grasas { background: linear-gradient(90deg, #f0a0a0, #d0402f); }
.macro-fill.fill-fibra { background: linear-gradient(90deg, var(--green-400), var(--green-700)); }

.food-card-footer-toggle {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 10px 0 0;
  font-weight: 700;
  color: var(--green-700);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px dashed var(--line);
  margin-top: 6px;
}
.food-card-footer-toggle svg { transition: transform .3s ease; }
.food-card-footer-toggle.open svg { transform: rotate(180deg); }

.substitutes { display: none; margin-top: 14px; }
.substitutes.open { display: block; animation: fadeIn .35s ease; }
.sub-item {
  background: var(--green-50);
  border: 1px solid var(--green-100);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 12px;
}
.sub-item:last-child { margin-bottom: 0; }
.sub-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.sub-head .food-emoji { width: 38px; height: 38px; font-size: 1.3rem; background: #fff; }
.sub-head strong { font-size: .98rem; }
.sub-best {
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: #fff;
  font-size: .68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 3px 9px;
  border-radius: 999px;
}
.sub-porque { font-size: .86rem; color: var(--ink-soft); margin-bottom: 10px; }
.sub-macros { display: flex; flex-wrap: wrap; gap: 8px; font-size: .78rem; }
.sub-macros span { background: #fff; border: 1px solid var(--green-100); padding: 4px 9px; border-radius: 999px; color: var(--ink-soft); }
.sub-macros b { color: var(--green-700); }

/* ---------- Búsqueda con IA + PubMed ---------- */
.ai-lookup {
  max-width: 780px;
  margin: 46px auto 0;
  background: linear-gradient(150deg, var(--green-50), #fff 60%);
  border: 1.5px dashed var(--green-300);
  border-radius: var(--radius-lg);
  padding: 28px 30px;
}
.ai-lookup-head { display: flex; gap: 14px; margin-bottom: 18px; }
.ai-lookup-icon {
  font-size: 1.6rem;
  width: 46px; height: 46px;
  flex-shrink: 0;
  display: grid; place-items: center;
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
}
.ai-lookup-head h3 { font-size: 1.05rem; margin-bottom: 4px; }
.ai-lookup-head p { margin: 0; font-size: .9rem; }
.ai-lookup-form { display: flex; gap: 10px; flex-wrap: wrap; }
.ai-lookup-form input {
  flex: 1;
  min-width: 200px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-size: .95rem;
}
.ai-lookup-form input:focus {
  outline: none;
  border-color: var(--green-400);
  box-shadow: 0 0 0 4px var(--green-100);
}
#aiLookupResult { margin-top: 20px; }
#aiLookupResult .food-card { max-width: 480px; }

.citas {
  display: none;
  flex-direction: column;
  gap: 6px;
  margin-top: 12px;
}
.citas.open { display: flex; animation: fadeIn .35s ease; }
.cita-item {
  font-size: .8rem;
  color: var(--green-700);
  text-decoration: underline;
  text-decoration-color: var(--green-200);
  text-underline-offset: 3px;
}
.cita-item:hover { color: var(--green-900); text-decoration-color: var(--green-500); }

/* ---------- Guia grid filters ---------- */
.filters { display: flex; gap: 12px; margin-bottom: 30px; flex-wrap: wrap; }
.filters input { flex: 1; min-width: 200px; }
.filters select {
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--ink);
  background: #fff;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 50px;
  align-items: start;
}
.rating-legend {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: .9rem;
  color: var(--ink-soft);
  margin-top: 20px;
}
.rating-legend .badge { width: 24px; height: 24px; font-size: .75rem; margin-right: -2px; }
.about-card {
  background: var(--paper);
  border: 1px solid var(--green-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.about-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.about-card p { margin: 0; font-size: .92rem; }

/* ---------- Contacto ---------- */
.contacto-card {
  max-width: 700px;
  margin: 0 auto;
  background: var(--paper);
  border: 1px solid var(--green-200);
  border-radius: var(--radius-lg);
  padding: 30px 32px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
  text-align: left;
  transition: box-shadow .3s ease, transform .3s ease;
}
.contacto-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.contacto-icon {
  font-size: 1.9rem;
  width: 58px; height: 58px;
  flex-shrink: 0;
  display: grid; place-items: center;
  background: var(--green-50);
  border-radius: 16px;
}
.contacto-texto { flex: 1; min-width: 200px; }
.contacto-texto h3 { font-size: 1.1rem; margin-bottom: 4px; }
.contacto-texto p { margin: 0; font-size: .9rem; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 34px 0; background: var(--paper-tint); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.footer-inner p { margin: 0; font-size: .85rem; color: var(--ink-faint); }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(15, 67, 37, .35);
  backdrop-filter: blur(3px);
  display: grid; place-items: center;
  z-index: 100;
  padding: 20px;
  animation: fadeIn .25s ease;
}
.modal-overlay[hidden] { display: none; }
.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 460px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-lg);
}
.modal-close {
  position: absolute; top: 18px; right: 18px;
  background: var(--paper-tint); border: none;
  width: 32px; height: 32px; border-radius: 50%;
  font-size: .9rem;
}
.modal h3 { margin-bottom: 14px; font-size: 1.2rem; }
.modal label { display: block; font-weight: 600; margin: 16px 0 8px; font-size: .9rem; }
.modal-hint { font-size: .8rem; color: var(--ink-faint); margin-top: 10px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* ---------- Responsive ---------- */
@media (min-width: 1000px) {
  .hero-visual { display: block; }
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .main-nav { display: none; }
  .main-nav.open-mobile {
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: #fff;
    padding: 16px 5%;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
  }
  .main-nav.open-mobile a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-toggle { display: flex; }
  .header-actions .btn-sm { display: none; }
  .hero { padding: 46px 0 40px; }
  .text-underline { white-space: normal; }
  .section { padding: 56px 0; }
  .tab-panel { padding: 20px 16px 24px; }
}