/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg: #f7f8f6;
  --bg-alt: #ffffff;
  --bg-raised: #ffffff;
  --text: #12201c;
  --text-muted: #566b64;
  --border: #dfe6e2;
  --accent: #0f6e5c;
  --accent-strong: #0b5346;
  --accent-soft: #e3f2ee;
  --good: #0f8a5f;
  --good-bg: #e6f6ee;
  --warn: #b6790a;
  --warn-bg: #fbf1de;
  --bad: #b3261e;
  --bad-bg: #fbe8e7;
  --gold: #a9791f;
  --gold-bg: #f7efdd;
  --shadow: 0 1px 2px rgba(18,32,28,.04), 0 8px 24px -12px rgba(18,32,28,.18);
  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --maxw: 1180px;
  --serif: "Fraunces", "Georgia", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1512;
    --bg-alt: #131c18;
    --bg-raised: #17211d;
    --text: #eef3f0;
    --text-muted: #9fb3ab;
    --border: #24312b;
    --accent: #2fbf9a;
    --accent-strong: #57d4b3;
    --accent-soft: #163229;
    --good: #35c98d;
    --good-bg: #123527;
    --warn: #e0aa42;
    --warn-bg: #362a12;
    --bad: #ea6a62;
    --bad-bg: #3a1917;
    --gold: #d8b45c;
    --gold-bg: #332a13;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 30px -14px rgba(0,0,0,.6);
  }
}
:root[data-theme="dark"] {
  --bg: #0e1512;
  --bg-alt: #131c18;
  --bg-raised: #17211d;
  --text: #eef3f0;
  --text-muted: #9fb3ab;
  --border: #24312b;
  --accent: #2fbf9a;
  --accent-strong: #57d4b3;
  --accent-soft: #163229;
  --good: #35c98d;
  --good-bg: #123527;
  --warn: #e0aa42;
  --warn-bg: #362a12;
  --bad: #ea6a62;
  --bad-bg: #3a1917;
  --gold: #d8b45c;
  --gold-bg: #332a13;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 30px -14px rgba(0,0,0,.6);
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; overflow-x: clip; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.12; letter-spacing: -0.01em; font-family: var(--serif); font-weight: 600; }
ul, ol { padding-left: 1.2em; }
::selection { background: var(--accent-soft); color: var(--accent-strong); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* =============================================================
   3. Utilities
   ============================================================= */
.skip-link {
  position: fixed; top: -100px; left: 1rem; padding: .6rem 1rem;
  background: var(--accent); color: #fff; z-index: 9999; border-radius: 8px; font-weight: 600;
}
.skip-link:focus { top: 1rem; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.container-narrow { width: 100%; max-width: 760px; margin-inline: auto; padding-inline: var(--gutter); }
.stack { display: flex; flex-direction: column; gap: 1rem; }
.section { padding-block: clamp(2.5rem, 6vw, 5rem); }
.section-tight { padding-block: clamp(1.5rem, 3vw, 2.5rem); }
.muted { color: var(--text-muted); }
.center { text-align: center; }
.hidden { display: none !important; }

/* =============================================================
   4. Typography
   ============================================================= */
.eyebrow {
  font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em;
  font-size: .78rem; color: var(--accent); font-weight: 600;
}
.h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
.h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); }
.h3 { font-size: clamp(1.2rem, 2.2vw, 1.5rem); }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--text-muted); max-width: 62ch; }

/* =============================================================
   5. Components
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .8rem 1.4rem; border-radius: 999px; font-weight: 600; font-size: .95rem;
  transition: transform .2s var(--ease-out), background .2s var(--ease-out), box-shadow .2s var(--ease-out);
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--accent-strong); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: transparent; color: #c0392b; border: 1px solid #c0392b; }
.btn-danger:hover { background: #c0392b; color: #fff; }
.btn-block { width: 100%; }
.btn-sm { padding: .55rem 1rem; font-size: .85rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

.card {
  background: var(--bg-raised); border: 1px solid var(--border); border-radius: var(--radius-m);
  padding: 1.4rem; box-shadow: var(--shadow);
}

.badge {
  display: inline-flex; align-items: center; gap: .35rem; padding: .28rem .7rem;
  border-radius: 999px; font-size: .78rem; font-weight: 700; font-family: var(--mono);
  letter-spacing: .01em;
}
.badge-good { background: var(--good-bg); color: var(--good); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }
.badge-bad { background: var(--bad-bg); color: var(--bad); }
.badge-gold { background: var(--gold-bg); color: var(--gold); }
.badge-accent { background: var(--accent-soft); color: var(--accent-strong); }
.badge-neutral { background: var(--border); color: var(--text-muted); }

.demo-badge {
  display: block; text-align: center; font-size: .82rem; font-weight: 700;
  background: var(--warn-bg); color: var(--warn); padding: .5rem 1rem;
  border-bottom: 1px solid var(--border);
}

.disclaimer {
  background: var(--accent-soft); border: 1px solid var(--border); border-radius: var(--radius-m);
  padding: 1.1rem 1.3rem; font-size: .92rem; color: var(--text);
}
.disclaimer strong { color: var(--accent-strong); }

.callout {
  border: 1px solid var(--border); border-left: 4px solid var(--accent-strong); border-radius: var(--radius-s);
  background: var(--bg-alt); padding: 1rem 1.2rem; font-size: .92rem; color: var(--text); margin-block: 1rem;
}
.callout h4 { margin: 0 0 .4rem; font-size: .95rem; }
.callout-warn { border-left-color: var(--bad); background: var(--bad-bg); }
.callout-good { border-left-color: var(--good); background: var(--good-bg); }
.callout-info { border-left-color: var(--accent-strong); background: var(--accent-soft); }

table.kv-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.kv-table th, table.kv-table td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--border); }
table.kv-table td:last-child, table.kv-table th:last-child { text-align: right; font-family: var(--mono); font-weight: 600; }
.fuentes { font-size: .78rem; color: var(--text-muted); margin-top: .8rem; }
.fuentes a { color: var(--text-muted); }
.fecha-dato { font-size: .78rem; color: var(--text-muted); font-family: var(--mono); }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .9rem; }
.brand { display: flex; align-items: center; gap: .55rem; font-family: var(--serif); font-weight: 700; font-size: 1.15rem; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 9px; background: var(--accent);
  display: grid; place-items: center; color: #fff; font-family: var(--mono); font-weight: 800; font-size: .85rem;
}
.nav-links { display: none; align-items: center; gap: 1.6rem; font-size: .93rem; font-weight: 500; }
.nav-links a:hover { color: var(--accent); }
.nav-cta { display: none; align-items: center; gap: .7rem; }
.nav-toggle { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; padding: .5rem; }
@media (min-width: 640px) { .nav-cta { display: flex; } }
@media (min-width: 860px) {
  .nav-links { display: flex; }
  .nav-toggle { display: none; }
}
.nav-mobile {
  display: none; flex-direction: column; gap: .9rem; padding-block: 1rem 1.4rem; border-top: 1px solid var(--border);
}
.nav-mobile.is-open { display: flex; }
@media (min-width: 860px) { .nav-mobile { display: none !important; } }
.nav-mobile-cta { display: flex; gap: .6rem; flex-wrap: wrap; }
.nav-mobile-cta a { flex: 1 1 auto; text-align: center; }
@media (min-width: 640px) { .nav-mobile-cta { display: none; } }

/* Footer */
.footer { border-top: 1px solid var(--border); padding-block: 2.5rem 2rem; background: var(--bg-alt); }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: 1fr; }
@media (min-width: 720px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer h4 { font-family: var(--sans); font-size: .85rem; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); margin-bottom: .7rem; }
.footer ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: .5rem; font-size: .92rem; }
.footer ul a:hover { color: var(--accent); }
.footer-bottom { margin-top: 2rem; padding-top: 1.4rem; border-top: 1px solid var(--border); font-size: .82rem; color: var(--text-muted); }

/* Pillars */
.pillars { display: grid; gap: 1.2rem; grid-template-columns: 1fr; }
@media (min-width: 720px) { .pillars { grid-template-columns: repeat(3, 1fr); } }
.pillar { padding: 1.6rem; border-radius: var(--radius-m); border: 1px solid var(--border); background: var(--bg-raised); }
.pillar .num { font-family: var(--mono); color: var(--accent); font-weight: 700; font-size: .85rem; }
.pillar h3 { margin-top: .5rem; }
.pillar p { margin-top: .6rem; color: var(--text-muted); font-size: .95rem; }

/* Pricing */
.pricing-grid { display: grid; gap: 1.4rem; grid-template-columns: 1fr; }
@media (min-width: 720px) { .pricing-grid { grid-template-columns: repeat(2, 1fr); max-width: 780px; margin-inline: auto; } }
@media (min-width: 720px) { .pricing-grid-3 { grid-template-columns: repeat(3, 1fr); max-width: 1080px; } }
.plan { border: 1px solid var(--border); border-radius: var(--radius-l); padding: 1.8rem; background: var(--bg-raised); display: flex; flex-direction: column; gap: 1rem; }
.plan.is-featured { border-color: var(--accent); box-shadow: var(--shadow); position: relative; }
.plan.is-featured::before {
  content: "Recomendado"; position: absolute; top: -13px; left: 1.6rem; background: var(--accent); color: #fff;
  font-size: .72rem; font-weight: 700; padding: .25rem .7rem; border-radius: 999px;
}
.plan .price { font-family: var(--serif); font-size: 2.4rem; font-weight: 700; }
.plan .price small { font-family: var(--sans); font-size: .95rem; color: var(--text-muted); font-weight: 500; }
.plan ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: .55rem; font-size: .92rem; }
.plan ul li { display: flex; gap: .5rem; align-items: flex-start; }
.plan ul li::before { content: "✓"; color: var(--accent); font-weight: 700; }

/* Company table / list */
.filters { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 1.2rem; }
.filter-btn {
  padding: .5rem 1rem; border-radius: 999px; border: 1px solid var(--border); font-size: .85rem; font-weight: 600;
  background: var(--bg-raised); transition: all .15s var(--ease-out);
}
.filter-btn[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
.search-box {
  width: 100%; padding: .8rem 1rem; border-radius: 999px; border: 1px solid var(--border);
  background: var(--bg-raised); color: var(--text); font-size: .95rem; margin-bottom: 1.2rem;
}
.company-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .company-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .company-grid { grid-template-columns: repeat(3, 1fr); } }
.company-card {
  border: 1px solid var(--border); border-radius: var(--radius-m); padding: 1.2rem; background: var(--bg-raised);
  display: flex; flex-direction: column; gap: .7rem; transition: transform .18s var(--ease-out), box-shadow .18s var(--ease-out);
}
.company-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.company-card .ticker-row { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.company-card .ticker-id { display: flex; align-items: center; gap: .6rem; min-width: 0; }
.company-card .ticker { font-family: var(--mono); font-weight: 800; font-size: 1rem; }
.company-card .name { font-size: .88rem; color: var(--text-muted); }
.company-card .verdicts { display: flex; gap: .4rem; flex-wrap: wrap; }
.company-card .score { font-family: var(--mono); font-size: .78rem; color: var(--text-muted); }
.company-card[hidden] { display: none; }
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-muted); }

/* Company detail */
.company-hero {
  display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1.2rem;
  padding-block: 2rem; border-bottom: 1px solid var(--border);
}
.company-hero .ticker-tag { font-family: var(--mono); font-weight: 800; font-size: 1.6rem; }
.metric-grid { display: grid; gap: .9rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 640px) { .metric-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 960px) { .metric-grid { grid-template-columns: repeat(4, 1fr); } }
.metric { padding: .9rem 1rem; background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius-s); }
.metric .label { font-size: .74rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; }
.metric .value { font-family: var(--mono); font-weight: 700; font-size: 1.1rem; margin-top: .2rem; }
.pillar-block { border: 1px solid var(--border); border-radius: var(--radius-m); padding: 1.4rem; background: var(--bg-raised); margin-block: 1.2rem; }
.pillar-block h3 { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.pillar-block .narrativa { margin-top: .8rem; color: var(--text-muted); font-size: .96rem; }

/* =============================================================
   Elementos visuales: avatares, íconos, widgets de mercado en vivo
   ============================================================= */

/* Avatar de empresa: monograma de color (no depende de ningún logo externo) */
.company-avatar {
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  font-family: var(--serif); font-weight: 700; color: #fff; line-height: 1; user-select: none;
}
.company-avatar.size-sm { width: 34px; height: 34px; font-size: .95rem; border-radius: 9px; }
.company-avatar.size-lg { width: 56px; height: 56px; font-size: 1.5rem; border-radius: 14px; }
.company-hero-id { display: flex; align-items: center; gap: 1rem; }

/* Íconos de los 3 pilares (calidad / salud / precio) */
.pillar-icon {
  display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;
  width: 42px; height: 42px; border-radius: var(--radius-s);
  background: var(--accent-soft); color: var(--accent-strong); margin-bottom: .3rem;
}
.pillar-icon svg { width: 22px; height: 22px; }
.pillar-block h3 .pillar-icon-inline {
  display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;
  width: 28px; height: 28px; border-radius: 8px; background: var(--accent-soft); color: var(--accent-strong);
}
.pillar-block h3 .pillar-icon-inline svg { width: 16px; height: 16px; }

/* Widgets de TradingView (gráfico en vivo y cinta de precios) — gratis, sin API key */
.tv-mini-wrap {
  border: 1px solid var(--border); border-radius: var(--radius-m); overflow: hidden;
  background: var(--bg-raised); margin-block: 1.2rem; min-height: 130px;
}
.tv-tape-wrap {
  border: 1px solid var(--border); border-radius: var(--radius-m); overflow: hidden;
  margin-bottom: 1.6rem; background: var(--bg-raised);
}

/* Visual decorativo del hero (index.html) */
.hero-section { position: relative; overflow: hidden; }
.hero-section > .container { position: relative; z-index: 1; }
.hero-visual {
  position: absolute; top: 50%; right: -8%; transform: translateY(-50%);
  width: 46%; max-width: 560px; aspect-ratio: 1 / 1; opacity: .55; pointer-events: none; z-index: 0;
}
.hero-visual svg { width: 100%; height: 100%; display: block; }
@media (max-width: 960px) { .hero-visual { display: none; } }

.paywall {
  position: relative; border: 1px dashed var(--border); border-radius: var(--radius-m);
  padding: 2.2rem 1.4rem; text-align: center; background: var(--bg-alt); margin-block: 1.4rem;
}
.paywall h3 { margin-bottom: .5rem; }
.paywall p { color: var(--text-muted); max-width: 46ch; margin-inline: auto; margin-bottom: 1rem; }

.chart-frame { border: 1px solid var(--border); border-radius: var(--radius-m); overflow: hidden; background: var(--bg-alt); }

/* Auth / account */
.auth-card { max-width: 420px; margin-inline: auto; }
.field { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1rem; }
.field label { font-size: .85rem; font-weight: 600; }
.field input {
  padding: .75rem .9rem; border-radius: var(--radius-s); border: 1px solid var(--border);
  background: var(--bg-alt); color: var(--text); font-size: .95rem;
}
.field input:focus { border-color: var(--accent); }
.form-note { font-size: .84rem; color: var(--text-muted); margin-top: .8rem; text-align: center; }
.toast {
  position: fixed; bottom: 1.2rem; left: 50%; transform: translateX(-50%) translateY(10px);
  background: var(--text); color: var(--bg); padding: .8rem 1.2rem; border-radius: 999px;
  font-size: .88rem; opacity: 0; pointer-events: none; transition: all .25s var(--ease-out); z-index: 999; max-width: 90vw; text-align: center;
}
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Modal */
dialog.modal { border: none; border-radius: var(--radius-l); padding: 0; max-width: 440px; width: calc(100% - 2rem); background: var(--bg-raised); color: var(--text); box-shadow: var(--shadow); }
dialog.modal::backdrop { background: rgba(10, 16, 14, .55); backdrop-filter: blur(2px); }
.modal-body { padding: 1.8rem; }
.modal-close { position: absolute; top: 1rem; right: 1rem; }

/* Calculator */
.calc-grid { display: grid; gap: 1.6rem; grid-template-columns: 1fr; }
@media (min-width: 860px) { .calc-grid { grid-template-columns: 1fr 1fr; } }
.calc-result { text-align: center; padding: 1.6rem; background: var(--accent-soft); border-radius: var(--radius-m); }
.calc-result .big { font-family: var(--serif); font-size: 2.4rem; font-weight: 700; color: var(--accent-strong); }
.range-row { display: flex; justify-content: space-between; font-size: .85rem; color: var(--text-muted); }
table.breakdown { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.breakdown th, table.breakdown td { text-align: right; padding: .5rem .6rem; border-bottom: 1px solid var(--border); }
table.breakdown th:first-child, table.breakdown td:first-child { text-align: left; }
.table-scroll { overflow-x: auto; }

/* Panel de administrador (admin.html) */
table.admin-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.admin-table th, table.admin-table td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid var(--border); vertical-align: middle; white-space: nowrap; }
table.admin-table select { padding: .3rem .5rem; border-radius: var(--radius-s); border: 1px solid var(--border); background: var(--bg-raised); color: inherit; }

.ad-slot {
  border: 1px dashed var(--border); border-radius: var(--radius-m); padding: 1rem; text-align: center;
  color: var(--text-muted); font-size: .78rem; background: var(--bg-alt);
}

/* Library */
.book-grid { display: grid; gap: 1.2rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .book-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .book-grid { grid-template-columns: repeat(3, 1fr); } }
.book-card { display: flex; gap: 1rem; padding: 1.1rem; border: 1px solid var(--border); border-radius: var(--radius-m); background: var(--bg-raised); }
.book-card img { width: 64px; border-radius: 4px; flex-shrink: 0; box-shadow: 0 2px 8px rgba(0,0,0,.15); }
.book-cover {
  width: 56px; height: 80px; border-radius: 6px; flex-shrink: 0;
  background: linear-gradient(155deg, var(--accent), var(--accent-strong));
  color: #fff; display: grid; place-items: center; font-family: var(--serif);
  font-weight: 700; font-size: 1.3rem; box-shadow: 0 3px 10px rgba(0,0,0,.2);
}
.book-card h3 { font-size: 1rem; }
.book-card p { font-size: .85rem; color: var(--text-muted); margin-top: .3rem; }
.affiliate-note { font-size: .78rem; color: var(--text-muted); margin-top: 1.5rem; }

/* Breakpoints reference: 540 / 720 / 960 / 1280 / 1600 */