/* =============================================================
   DEPORTE EN NÚMEROS — styles.css
   1. Tokens  2. Reset  3. Utilities  4. Typography  5. Nav
   6. Components  7. Sections  8. Article template
   9. Calculators  10. Footer  11. Effects  12. Responsive
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:         #0A0E14;
  --bg-2:       #0D1219;
  --bg-3:       #0F141C;
  --card:       #121822;
  --card-2:     #161E29;
  --line:       rgba(243, 246, 250, 0.09);
  --line-soft:  rgba(243, 246, 250, 0.05);

  --ink:        #F3F6FA;
  --ink-soft:   #C7D0DB;
  --muted:      #8996A6;
  --muted-2:    #5E6A79;

  --accent:      #22E38C;
  --accent-dark: #15B36C;
  --accent-soft: rgba(34, 227, 140, 0.12);
  --accent-line: rgba(34, 227, 140, 0.35);

  --warn:       #E8B84B;
  --warn-soft:  rgba(232, 184, 75, 0.12);

  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    "JetBrains Mono", "IBM Plex Mono", monospace;

  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft:   cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --nav-h: 72px;
  --container: 1220px;
  --radius: 14px;
  --radius-sm: 8px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  scroll-behavior: smooth;
  overflow-x: clip;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--bg);
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  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; }
ul, ol { list-style: none; padding: 0; }
table { border-collapse: collapse; width: 100%; }
h1, h2, h3, h4, h5 { text-wrap: balance; line-height: 1.08; letter-spacing: -0.02em; font-family: var(--font-display); color: var(--ink); font-weight: 600; }

::selection { background: var(--accent); color: #04140C; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .7rem 1.1rem; background: var(--accent); color: #04140C;
  border-radius: var(--radius-sm); font-weight: 700;
}
.skip-link:focus { top: 1rem; }

/* =============================================================
   3. Utilities
   ============================================================= */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}
.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;
}
.mono { font-family: var(--font-mono); }
.section { padding-block: 4.5rem; }
.section-alt { background: var(--bg-2); }
.section-head {
  display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between;
  gap: 1rem; margin-bottom: 2.25rem;
}
.section-eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-mono); font-size: .75rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: .6rem;
}
.section-eyebrow::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.section-title { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.section-sub { color: var(--muted); max-width: 46ch; margin-top: .5rem; }
.section-link {
  font-family: var(--font-mono); font-size: .85rem; color: var(--accent);
  display: inline-flex; align-items: center; gap: .4rem; white-space: nowrap;
}
.section-link .arrow { transition: transform .25s var(--ease-out); display: inline-block; }
.section-link:hover .arrow { transform: translateX(4px); }

.tag {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--accent);
  padding: .3rem .6rem; border: 1px solid var(--accent-line);
  border-radius: 999px; background: var(--accent-soft);
}
.tag-muted {
  color: var(--muted); border-color: var(--line); background: transparent;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--font-mono); font-size: .85rem; font-weight: 500;
  letter-spacing: .02em; padding: .9rem 1.5rem; border-radius: 999px;
  transition: transform .25s var(--ease-out), background .25s var(--ease-out), border-color .25s var(--ease-out), box-shadow .25s var(--ease-out);
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #04140C; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(34,227,140,.55); }
.btn-ghost { border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent-line); background: var(--accent-soft); transform: translateY(-2px); }

.divider { height: 1px; background: var(--line); border: 0; }

/* Reveal-on-scroll (defensive: content visible by default) */
.reveal { opacity: 1; transform: none; transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
[data-js-ready] .reveal { opacity: 0; transform: translateY(24px); }
.reveal.is-visible { opacity: 1 !important; transform: none !important; }
.reveal[data-split] { opacity: 1; transform: none; }

/* =============================================================
   5. Nav
   ============================================================= */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(10, 14, 20, 0.96);
  border-bottom: 1px solid var(--line);
}
/* Note: backdrop-filter is deliberately NOT applied to .nav itself — it would
   make .nav a containing block for its position:fixed .nav-mobile child,
   breaking full-viewport positioning of the mobile menu. */
.nav .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .55rem; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(155deg, var(--accent), var(--accent-dark));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; color: #04140C; font-size: 1rem;
  flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: .98rem; color: var(--ink); letter-spacing: -.01em; }
.brand-tag { font-family: var(--font-mono); font-size: .62rem; color: var(--muted); letter-spacing: .03em; }

.nav-links {
  display: none; align-items: center; gap: 1.9rem;
  font-family: var(--font-mono); font-size: .82rem;
}
.nav-links a {
  color: var(--muted); position: relative; padding-block: .3rem;
  transition: color .2s var(--ease-out);
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 1px;
  background: var(--accent); transition: right .28s var(--ease-out);
}
.nav-links a:hover, .nav-links a.is-active { color: var(--ink); }
.nav-links a:hover::after, .nav-links a.is-active::after { right: 0; }

.nav-cta { display: none; }
.nav-toggle {
  display: flex; flex-direction: column; gap: 5px; padding: .5rem;
  border-radius: var(--radius-sm);
}
.nav-toggle span { width: 20px; height: 2px; background: var(--ink); transition: transform .25s var(--ease-out), opacity .25s var(--ease-out); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  position: fixed; inset: var(--nav-h) 0 0 0; z-index: 90;
  background: var(--bg); padding: 1.5rem 1.25rem;
  display: flex; flex-direction: column; gap: .2rem;
  transform: translateY(-8px); opacity: 0; pointer-events: none;
  transition: opacity .25s var(--ease-out), transform .25s var(--ease-out);
}
.nav-mobile.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.nav-mobile a {
  font-family: var(--font-display); font-size: 1.4rem; font-weight: 600; color: var(--ink);
  padding-block: .85rem; border-bottom: 1px solid var(--line);
}
.nav-mobile .btn { margin-top: 1.5rem; align-self: flex-start; }

/* =============================================================
   6. Components — Cards
   ============================================================= */
.card {
  display: flex; flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .35s var(--ease-out), border-color .35s var(--ease-out), box-shadow .35s var(--ease-out);
}
.card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-line);
  box-shadow: 0 20px 45px -22px rgba(0,0,0,.55);
}

.media {
  position: relative; overflow: hidden; background: var(--bg-3);
  height: 148px; flex: 0 0 auto;
}
.media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease-out); }
.card:hover .media img { transform: scale(1.06); }
.media-tag { position: absolute; top: .85rem; left: .85rem; z-index: 2; }

/* Data-visual media (no photography): gradient + pitch-line pattern + big stat,
   centered so the box reads as a compact stat tile, not empty gradient space.
   Keeps the whole site on ONE accent color while still giving each card its own
   visual identity through composition (pattern variant + featured number). */
.media-data {
  position: relative;
  background:
    radial-gradient(circle at 18% 15%, var(--accent-soft), transparent 55%),
    linear-gradient(155deg, var(--bg-3), var(--card-2));
  display: flex; align-items: center; justify-content: center; text-align: center;
  padding: 1rem 1.2rem;
  transition: transform .6s var(--ease-out);
}
.card:hover .media-data { transform: scale(1.035); }
.media-data::before {
  content: ""; position: absolute; inset: 0; opacity: .5;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 85%);
}
.media-data.pattern-pitch::before {
  background-image: none;
  border: 1px solid var(--line-soft);
  inset: 18% 10%;
  border-radius: 4px;
}
.media-data.pattern-pitch::after {
  content: ""; position: absolute; left: 50%; top: 18%; bottom: 18%; width: 1px;
  background: var(--line-soft); transform: translateX(-50%);
}
.media-data.pattern-bars::before {
  background-image: none;
  background: repeating-linear-gradient(90deg, var(--line-soft) 0 2px, transparent 2px 22px);
  mask-image: radial-gradient(ellipse 80% 90% at 50% 50%, black 40%, transparent 90%);
}
.media-data-stat {
  position: relative; z-index: 1;
  font-family: var(--font-mono); font-weight: 700; color: var(--ink);
  font-size: clamp(1.7rem, 5vw, 2.5rem); line-height: 1;
}
.media-data-stat span { display: block; font-family: var(--font-mono); font-weight: 400; color: var(--muted); font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; margin-top: .5rem; max-width: 24ch; margin-inline: auto; }

.card-body { padding: 1.3rem 1.4rem 1.5rem; flex: 1 1 auto; display: flex; flex-direction: column; }
.card-excerpt { margin-top: auto; }
.card-meta {
  display: flex; align-items: center; gap: .6rem; font-family: var(--font-mono);
  font-size: .72rem; color: var(--muted); margin-bottom: .6rem; flex-wrap: wrap;
}
.card-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--muted-2); }
.card-title { font-size: 1.12rem; margin-bottom: .5rem; }
.card-title a::after { content: ""; position: absolute; inset: 0; }
.card-excerpt { font-size: .92rem; color: var(--muted); line-height: 1.55; }

/* Featured (destacados) — larger */
.grid-featured {
  display: grid; gap: 1.5rem; grid-template-columns: 1fr;
}
.card-feat { position: relative; }
.card-feat .media { height: 190px; }
.card-feat .card-title { font-size: 1.35rem; }

/* Standard grid */
.grid-3 { display: grid; gap: 1.4rem; grid-template-columns: 1fr; }
.grid-2 { display: grid; gap: 1.4rem; grid-template-columns: 1fr; }

/* Sabías que — curiosity cards */
.card-curio {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; position: relative; overflow: hidden;
  transition: transform .35s var(--ease-out), border-color .35s var(--ease-out);
}
.card-curio:hover { transform: translateY(-5px); border-color: var(--accent-line); }
.card-curio::before {
  content: ""; position: absolute; inset: -40% -20% auto auto; width: 220px; height: 220px;
  background: radial-gradient(circle, var(--accent-soft), transparent 70%);
  pointer-events: none;
}
.curio-q { font-family: var(--font-display); font-size: 1.15rem; color: var(--ink); margin-bottom: .6rem; position: relative; }
.curio-a { font-size: .9rem; color: var(--muted); margin-bottom: 1.2rem; position: relative; }
.curio-cta {
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .06em; color: var(--accent);
  display: inline-flex; align-items: center; gap: .35rem; position: relative;
}

/* Stat pill row (used in datos / money sections) */
.stat-row { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1rem; }
.stat-pill {
  font-family: var(--font-mono); font-size: .75rem; color: var(--ink-soft);
  border: 1px solid var(--line); border-radius: 999px; padding: .4rem .8rem;
  display: inline-flex; align-items: center; gap: .4rem;
}
.stat-pill b { color: var(--accent); font-weight: 600; }

/* =============================================================
   7. Sections — Hero
   ============================================================= */
.hero {
  position: relative;
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-bottom: clamp(3rem, 7vw, 5rem);
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, black 40%, transparent 100%);
}
.hero-glow {
  position: absolute; z-index: 0; pointer-events: none;
  inset: -20% -10% auto -10%; height: 620px;
  background: radial-gradient(ellipse 50% 45% at 50% 0%, rgba(34,227,140,.16), transparent 70%);
  filter: blur(10px);
}
.hero-grid { position: relative; z-index: 1; display: grid; gap: 2.5rem; grid-template-columns: 1fr; align-items: center; }
.hero-kicker {
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); display: inline-flex; align-items: center; gap: .55rem; margin-bottom: 1.1rem;
}
.hero-kicker::before { content: ""; width: 24px; height: 1px; background: var(--accent); }
.hero-title {
  font-size: clamp(2.4rem, 6.4vw, 4.4rem);
  line-height: .98;
}
.hero-title em { color: var(--accent); font-style: normal; }
.hero-sub {
  margin-top: 1.3rem; font-size: clamp(1rem, 1.6vw, 1.2rem); color: var(--muted); max-width: 46ch;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 1.8rem; margin-top: 2.6rem; padding-top: 1.8rem; border-top: 1px solid var(--line); }
.hero-stat-num { font-family: var(--font-mono); font-size: 1.7rem; font-weight: 700; color: var(--ink); }
.hero-stat-label { font-family: var(--font-mono); font-size: .68rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin-top: .15rem; }

.hero-visual { position: relative; z-index: 1; }
.hero-visual-card {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--card);
  position: relative; aspect-ratio: 4/5;
}
.hero-visual-card img { width: 100%; height: 100%; object-fit: cover; }
.hero-visual-tag {
  position: absolute; bottom: 1rem; left: 1rem; right: 1rem;
  background: rgba(10,14,20,.85); backdrop-filter: blur(8px);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: .9rem 1rem; display: flex; align-items: center; justify-content: space-between; gap: .6rem;
}
.hero-visual-tag .num { font-family: var(--font-mono); color: var(--accent); font-weight: 700; }
.hero-visual-tag .lbl { font-size: .78rem; color: var(--ink-soft); }

/* Category band (Fútbol y Dinero / Fútbol en Datos headers) */
.band-icon {
  width: 46px; height: 46px; border-radius: 12px; background: var(--accent-soft);
  border: 1px solid var(--accent-line); display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 1rem;
}

/* Calculators teaser */
.calc-teaser {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--card);
  padding: 2.2rem; display: grid; gap: 1.6rem; grid-template-columns: 1fr;
}
.calc-list { display: grid; gap: .7rem; grid-template-columns: 1fr; }
.calc-chip {
  display: flex; align-items: center; gap: .8rem; padding: .85rem 1rem;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg-3);
  transition: border-color .25s var(--ease-out), transform .25s var(--ease-out);
}
.calc-chip:hover { border-color: var(--accent-line); transform: translateX(3px); }
.calc-chip .n { font-family: var(--font-mono); color: var(--accent); font-size: .8rem; }
.calc-chip .t { font-size: .92rem; color: var(--ink-soft); }

/* =============================================================
   8. Article template
   ============================================================= */
.article-header { padding-top: 2.5rem; padding-bottom: 1rem; }
.article-meta-top {
  display: flex; align-items: center; gap: .8rem; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: .78rem; color: var(--muted); margin-bottom: 1.3rem;
}
.breadcrumbs { display: flex; align-items: center; gap: .4rem; font-family: var(--font-mono); font-size: .78rem; color: var(--muted-2); margin-bottom: 1.5rem; flex-wrap: wrap; }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--accent); }

.article-title { font-size: clamp(2rem, 4.6vw, 3.1rem); margin-bottom: 1rem; }
.article-subtitle { font-size: 1.15rem; color: var(--muted); max-width: 62ch; margin-bottom: 1.8rem; }

.article-dates {
  display: flex; flex-wrap: wrap; gap: 1.6rem; padding: 1.1rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  font-family: var(--font-mono); font-size: .78rem; color: var(--muted); margin-bottom: 2.2rem;
}
.article-dates b { color: var(--ink-soft); font-weight: 500; }

.article-hero-media { border-radius: var(--radius); overflow: hidden; height: 220px; margin-bottom: 2.6rem; border: 1px solid var(--line); }
.article-hero-media img { width: 100%; height: 100%; object-fit: cover; }
.article-hero-media.media-data { padding: 1.5rem; }
.article-hero-media .media-data-stat { font-size: clamp(2rem, 6vw, 3rem); }
@media (min-width: 720px) { .article-hero-media { height: 280px; } }

.article-body { max-width: 74ch; margin-inline: auto; }
.article-body p { margin-bottom: 1.3rem; font-size: 1.03rem; color: var(--ink-soft); }
.article-body h2 { font-size: 1.55rem; margin-top: 2.6rem; margin-bottom: 1rem; }
.article-body h3 { font-size: 1.2rem; margin-top: 1.8rem; margin-bottom: .8rem; color: var(--ink); }
.article-body ul, .article-body ol { margin-bottom: 1.3rem; padding-left: 0; }
.article-body li { position: relative; padding-left: 1.5rem; margin-bottom: .6rem; color: var(--ink-soft); }
.article-body li::before { content: "→"; position: absolute; left: 0; color: var(--accent); font-family: var(--font-mono); }
.article-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.article-body strong { color: var(--ink); font-weight: 600; }

.section-kicker {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); display: block; margin-top: 2.6rem; margin-bottom: .8rem;
}

/* Dato clave block */
.dato-clave {
  max-width: 74ch; margin: 2.2rem auto 2.6rem; padding: 2.2rem;
  border: 1px solid var(--accent-line); border-radius: var(--radius);
  background: linear-gradient(160deg, var(--accent-soft), transparent 65%);
  position: relative; overflow: hidden;
}
.dato-clave-label {
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: .7rem; display: block;
}
.dato-clave-num {
  font-family: var(--font-display); font-weight: 700; color: var(--ink);
  font-size: clamp(1.9rem, 5vw, 3rem); line-height: 1; margin-bottom: .8rem;
}
.dato-clave-desc { color: var(--ink-soft); font-size: .98rem; max-width: 56ch; }

/* En números — data table / cards */
.datos-grid { display: grid; gap: .9rem; grid-template-columns: 1fr; margin: 1.5rem 0 2rem; max-width: 74ch; margin-inline: auto; }
.datos-grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.dato-item {
  border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1.1rem 1.2rem; background: var(--card);
}
.dato-item .v { font-family: var(--font-mono); font-size: 1.35rem; font-weight: 700; color: var(--accent); }
.dato-item .l { font-size: .82rem; color: var(--muted); margin-top: .3rem; }

.data-table-wrap { max-width: 74ch; margin: 0 auto 2rem; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.data-table { width: 100%; font-size: .9rem; }
.data-table th, .data-table td { padding: .8rem 1rem; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
.data-table th { font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); background: var(--bg-3); }
.data-table td { color: var(--ink-soft); }
.data-table tr:last-child td { border-bottom: 0; }
.data-table td.num, .data-table th.num { font-family: var(--font-mono); color: var(--ink); }

/* Pull comparison */
.comparacion { display: flex; gap: 1rem; align-items: center; max-width: 74ch; margin: 1.5rem auto; flex-wrap: wrap; }
.comparacion-item { flex: 1; min-width: 140px; text-align: center; padding: 1.3rem 1rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--card); }
.comparacion-item .v { font-family: var(--font-mono); font-weight: 700; color: var(--ink); font-size: 1.15rem; }
.comparacion-item .l { font-size: .78rem; color: var(--muted); margin-top: .3rem; }
.comparacion-vs { font-family: var(--font-mono); color: var(--accent); font-size: .85rem; }

.estimacion-note {
  max-width: 74ch; margin: 0 auto 2rem; padding: 1rem 1.2rem;
  border: 1px solid var(--warn-soft); border-left: 3px solid var(--warn);
  background: var(--warn-soft); border-radius: var(--radius-sm);
  font-size: .88rem; color: var(--ink-soft); display: flex; gap: .7rem;
}
.estimacion-note .ico { flex-shrink: 0; color: var(--warn); font-family: var(--font-mono); font-weight: 700; }

blockquote.pull {
  max-width: 74ch; margin: 2rem auto; padding-left: 1.4rem; border-left: 2px solid var(--accent);
  font-family: var(--font-display); font-size: 1.3rem; color: var(--ink); font-weight: 500; line-height: 1.35;
}

/* FAQ */
.faq { max-width: 74ch; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.2rem 0; text-align: left; font-family: var(--font-display); font-size: 1.02rem; color: var(--ink); font-weight: 600;
}
.faq-q .plus { font-family: var(--font-mono); color: var(--accent); transition: transform .25s var(--ease-out); flex-shrink: 0; }
.faq-item.is-open .faq-q .plus { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s var(--ease-out); }
.faq-item.is-open .faq-a { max-height: 300px; }
.faq-a p { padding-bottom: 1.2rem; color: var(--muted); font-size: .95rem; }

/* Sources */
.fuentes { max-width: 74ch; margin: 2.5rem auto 0; padding-top: 2rem; border-top: 1px solid var(--line); }
.fuentes h2 { font-size: 1.1rem; margin-bottom: 1rem; }
.fuentes ol { display: flex; flex-direction: column; gap: .5rem; }
.fuentes li { padding-left: 1.6rem; position: relative; font-size: .88rem; color: var(--muted); }
.fuentes li::before { content: counter(list-item) "."; counter-increment: list-item; position: absolute; left: 0; font-family: var(--font-mono); color: var(--accent); }
.fuentes ol { counter-reset: list-item; }
.fuentes a { color: var(--ink-soft); text-decoration: underline; text-underline-offset: 3px; }
.fuentes a:hover { color: var(--accent); }

.author-box {
  max-width: 74ch; margin: 2.5rem auto 0; padding: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius);
  display: flex; gap: 1rem; align-items: center; background: var(--card);
}
.author-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--accent-soft); border: 1px solid var(--accent-line); flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); color: var(--accent); font-weight: 700; }
.author-box .name { font-size: .92rem; color: var(--ink); font-weight: 600; }
.author-box .desc { font-size: .82rem; color: var(--muted); }

.related { max-width: 74ch; margin: 3rem auto 0; }

.reading-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%; background: var(--accent);
  z-index: 200; transition: width .1s linear;
}

/* =============================================================
   9. Calculators
   ============================================================= */
.calc-page-hero { padding-top: 2.5rem; padding-bottom: 1rem; }
.calc-card {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--card);
  padding: 1.8rem; scroll-margin-top: 100px;
}
.calc-head { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.4rem; }
.calc-num { font-family: var(--font-mono); color: var(--accent); font-size: .85rem; border: 1px solid var(--accent-line); border-radius: 999px; width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.calc-title { font-size: 1.2rem; margin-bottom: .35rem; }
.calc-desc { font-size: .87rem; color: var(--muted); }

.calc-grid { display: grid; gap: 2rem; grid-template-columns: 1fr; }
.calc-fields { display: grid; gap: 1rem; grid-template-columns: 1fr; }
.field { display: flex; flex-direction: column; gap: .4rem; }
.field label { font-family: var(--font-mono); font-size: .74rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.field input, .field select {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: .8rem .9rem; color: var(--ink); font-family: var(--font-mono); font-size: .95rem;
  transition: border-color .2s var(--ease-out);
}
.field input:focus, .field select:focus { border-color: var(--accent); outline: none; }
.field-help { font-size: .74rem; color: var(--muted-2); }

.calc-btn { margin-top: .4rem; }

.calc-result {
  border: 1px dashed var(--line); border-radius: var(--radius-sm); padding: 1.5rem;
  display: flex; flex-direction: column; justify-content: center; min-height: 160px;
  background: var(--bg-3);
}
.calc-result.has-value { border-style: solid; border-color: var(--accent-line); background: var(--accent-soft); }
.calc-result-label { font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: .5rem; }
.calc-result-value { font-family: var(--font-mono); font-weight: 700; color: var(--ink); font-size: clamp(1.5rem, 3.4vw, 2.1rem); word-break: break-word; }
.calc-result-placeholder { color: var(--muted-2); font-size: .9rem; }
.calc-result-explain { margin-top: .9rem; font-size: .82rem; color: var(--muted); line-height: 1.5; }

.calc-warning {
  margin-top: 1rem; display: flex; gap: .6rem; align-items: flex-start;
  font-size: .78rem; color: var(--warn); background: var(--warn-soft);
  border: 1px solid var(--warn-soft); padding: .7rem .9rem; border-radius: var(--radius-sm);
}

.calc-anchor-list { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 3rem; }
.calc-anchor-list a {
  font-family: var(--font-mono); font-size: .78rem; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: .5rem 1rem;
  transition: color .2s, border-color .2s;
}
.calc-anchor-list a:hover { color: var(--accent); border-color: var(--accent-line); }

/* =============================================================
   9b. Ad slots
   ============================================================= */
.ad-slot {
  display: flex; flex-direction: column; align-items: center; gap: .4rem;
  padding: .9rem 1rem; background: var(--bg-2); border-bottom: 1px solid var(--line);
  overflow-x: auto; max-width: 100%;
}
.ad-slot-label {
  font-family: var(--font-mono); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted-2);
}

/* =============================================================
   10. Footer
   ============================================================= */
.footer { border-top: 1px solid var(--line); padding-block: 3rem 2rem; background: var(--bg-2); }
.footer-grid { display: grid; gap: 2.5rem; grid-template-columns: 1fr; margin-bottom: 2.5rem; }
.footer-brand-desc { color: var(--muted); font-size: .88rem; max-width: 40ch; margin-top: .9rem; }
.footer-col h4 { font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 1rem; }
.footer-col ul { display: flex; flex-direction: column; gap: .6rem; }
.footer-col a { font-size: .88rem; color: var(--ink-soft); }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
  padding-top: 1.8rem; border-top: 1px solid var(--line);
  font-family: var(--font-mono); font-size: .74rem; color: var(--muted-2);
}
.footer-legal { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.footer-legal a { color: var(--muted-2); }
.footer-legal a:hover { color: var(--accent); }
.footer-disclaimer { max-width: 74ch; font-size: .76rem; color: var(--muted-2); margin-top: 1.2rem; line-height: 1.6; }

/* =============================================================
   11. Effects
   ============================================================= */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* =============================================================
   12. Responsive
   ============================================================= */
@media (min-width: 720px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .datos-grid { grid-template-columns: repeat(2, 1fr); }
  .comparacion { flex-wrap: nowrap; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .calc-grid { grid-template-columns: 1.1fr 1fr; }
}

@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
  .hero-grid { grid-template-columns: 1.15fr .85fr; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-featured { grid-template-columns: 1.4fr 1fr; grid-template-rows: 1fr 1fr; }
  .grid-featured .card-feat:first-child { grid-row: 1 / 3; }
  /* The spanning card is stretched to match the two stacked cards beside it —
     grow the visual (not the body) to fill that extra height, so no blank gap. */
  .grid-featured .card-feat:first-child .media { flex: 1 1 auto; height: auto; min-height: 240px; }
  .calc-teaser { grid-template-columns: 1fr 1fr; align-items: center; }
}

@media (min-width: 1280px) {
  .datos-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
}