/* ==========================================================================
   ComparaFiscal — Comparador de software para autónomos y pymes
   Archetype: Magazine Multi-Page (editorial print, financial press register)
   ========================================================================== */

/* ----- 1. Tokens ----- */
:root {
  --bg:        #f7f4ee;   /* paper */
  --bg-2:      #ece6da;   /* sand */
  --paper:     #fffdf9;
  --ink:       #17150f;   /* warm near-black */
  --ink-soft:  #38342a;
  --ink-mute:  #6f6859;
  --accent:    #1f5c47;   /* deep green — trust / ledger */
  --accent-2:  #a8632a;   /* ochre — highlights */
  --accent-3:  #8a2f26;   /* rubric red — warnings */
  --line:      rgba(23, 21, 15, 0.18);
  --line-hard: rgba(23, 21, 15, 0.42);

  --font-display: "Bodoni Moda", "Didot", Georgia, serif;
  --font-body:    "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-mono:    "JetBrains Mono", "SF Mono", Menlo, monospace;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --gut: clamp(1.15rem, 4vw, 2.75rem);
  --maxw: 1240px;
}

/* ----- 2. Reset ----- */
*, *::before, *::after { box-sizing: border-box; }

html {
  overflow-x: clip;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
  line-height: 1.66;
  font-feature-settings: "onum" 1;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
}

/* ----- 3. Layout primitives ----- */
.wrap { width: min(100% - var(--gut) * 2, var(--maxw)); margin-inline: auto; }
.wrap-narrow { width: min(100% - var(--gut) * 2, 720px); margin-inline: auto; }

.kicker {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.9rem;
  font-weight: 600;
}

.rule { border: 0; border-top: 1px solid var(--line-hard); margin: 0; }
.rule-thin { border: 0; border-top: 1px solid var(--line); margin: 0; }

.section { padding-block: clamp(3.4rem, 8vw, 6.5rem); }
/* La cabecera es sticky: sin esto, saltar a #comparador deja el titulo debajo. */
.section, .hero, [id] { scroll-margin-top: 120px; }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  padding-bottom: 1.2rem;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 2.4rem;
}
.section-head h2 { font-size: clamp(1.85rem, 4.2vw, 3rem); }
.section-head p { margin: 0; max-width: 46ch; color: var(--ink-mute); font-size: 0.95rem; }

/* ----- 4. Masthead ----- */
.masthead {
  border-bottom: 1px solid var(--line-hard);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 60;
}
.masthead-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.85rem;
}
.brand {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 1.95rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
}
.brand span {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
}
.masthead-meta {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  text-align: right;
}
/* En movil la cabecera es sticky: hay que mantenerla baja. El lema y la fecha
   se parten en varias lineas y se comen media pantalla, asi que se ocultan. */
@media (max-width: 719px) {
  .brand span { display: none; }
  .masthead-meta { display: none; }
  .masthead-top { padding-block: 0.7rem; }
}
.masthead nav {
  display: flex;
  gap: clamp(0.9rem, 2.4vw, 2rem);
  padding-block: 0.6rem;
  border-top: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
}
.masthead nav::-webkit-scrollbar { display: none; }
.masthead nav a {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  padding-block: 0.2rem;
  position: relative;
  color: var(--ink-soft);
}
.masthead nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.32s var(--ease-out);
}
.masthead nav a:hover::after,
.masthead nav a[aria-current="page"]::after { transform: scaleX(1); }

/* Reading progress (article pages) */
.progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: var(--accent);
  width: 0;
  z-index: 100;
  transition: width 0.1s linear;
}

/* ----- 5. Hero (pure typography) ----- */
.hero { padding-block: clamp(2.8rem, 7vw, 5.5rem) clamp(2rem, 5vw, 3.5rem); }
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.8rem, 4vw, 3.5rem);
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.55fr 1fr; align-items: end; }
}
.hero h1 {
  font-size: clamp(2.6rem, 7.6vw, 5.4rem);
  line-height: 0.98;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent);
}
.hero-lede {
  font-size: clamp(1.05rem, 1.7vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 1.6rem 0 0;
}
.dropcap {
  float: left;
  font-family: var(--font-display);
  font-size: 3.3em;
  line-height: 0.78;
  padding: 0.06em 0.12em 0 0;
  color: var(--accent);
  font-style: italic;
}
.hero-facts {
  border-top: 2px solid var(--ink);
  padding-top: 1rem;
  display: grid;
  gap: 0.85rem;
}
.fact { display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; border-bottom: 1px solid var(--line); padding-bottom: 0.7rem; }
.fact dt { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-mute); margin: 0; }
.fact dd { margin: 0; font-family: var(--font-display); font-size: 1.35rem; font-weight: 600; }

/* ----- 6. Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.72rem 1.25rem;
  border: 1.5px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.25s var(--ease-out), color 0.25s var(--ease-out);
  border-radius: 0;
  font-weight: 500;
}
.btn:hover { background: var(--ink); color: var(--bg); }
.btn-accent { border-color: var(--accent); background: var(--accent); color: var(--paper); }
.btn-accent:hover { background: var(--ink); border-color: var(--ink); }
.btn-sm { padding: 0.5rem 0.85rem; font-size: 0.64rem; }

/* ----- 7. Comparador (the star) ----- */
.comparador { background: var(--bg-2); }

.picker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.8rem;
}
.chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  padding: 0.5rem 0.85rem;
  border: 1.5px solid var(--line-hard);
  background: transparent;
  cursor: pointer;
  transition: all 0.22s var(--ease-out);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}
.chip::before {
  content: "";
  width: 9px; height: 9px;
  border: 1.5px solid currentColor;
  display: inline-block;
}
.chip[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--paper);
}
.chip[aria-pressed="true"]::before { background: currentColor; }
.chip:disabled { opacity: 0.38; cursor: not-allowed; }

.cmp-scroll { overflow-x: auto; overflow-y: visible; padding-bottom: 0.6rem; }

table.cmp {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  min-width: 620px;
  font-size: 0.92rem;
}
table.cmp th, table.cmp td {
  border: 1px solid var(--line);
  padding: 0.7rem 0.85rem;
  text-align: left;
  vertical-align: top;
}
table.cmp thead th {
  border-bottom: 2px solid var(--ink);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  background: var(--paper);
  position: sticky;
  top: 0;
}
table.cmp tbody th {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 500;
  white-space: nowrap;
  background: var(--bg);
  width: 1%;
}
table.cmp td.best {
  background: rgba(31, 92, 71, 0.09);
  font-weight: 600;
  position: relative;
}
table.cmp td.best::after {
  content: "mejor";
  position: absolute;
  top: 3px; right: 5px;
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.price-big { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; display: block; }
.price-sub { font-family: var(--font-mono); font-size: 0.6rem; color: var(--ink-mute); letter-spacing: 0.06em; }

.yes { color: var(--accent); font-weight: 600; }
.no  { color: var(--ink-mute); }

/* Radar overlay */
.radar-box {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 1.4rem;
  display: grid;
  gap: 1rem;
  align-content: start;
}
.radar-legend { display: flex; flex-wrap: wrap; gap: 0.7rem 1.2rem; }
.radar-legend span {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.radar-legend i { width: 14px; height: 3px; display: inline-block; }

.cmp-layout { display: grid; gap: 1.5rem; }
@media (min-width: 1000px) { .cmp-layout { grid-template-columns: 1fr 380px; align-items: start; } }

/* ----- 8. Calculadora ----- */
.calc-layout { display: grid; gap: 2rem; }
@media (min-width: 880px) { .calc-layout { grid-template-columns: 330px 1fr; align-items: start; } }

.calc-form {
  border: 1px solid var(--line-hard);
  background: var(--paper);
  padding: 1.5rem;
  display: grid;
  gap: 1.35rem;
}
.field { display: grid; gap: 0.45rem; }
.field label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.field output {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
}
.field input[type="range"] { width: 100%; accent-color: var(--accent); }
.field select {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.55rem;
  border: 1.5px solid var(--line-hard);
  background: var(--bg);
  border-radius: 0;
  color: var(--ink);
}

.calc-results { display: grid; gap: 0; border-top: 2px solid var(--ink); }
.calc-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 0.95rem 0.4rem;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.calc-row .bar {
  position: absolute;
  left: 0; bottom: 0;
  height: 3px;
  background: var(--accent);
  opacity: 0.35;
  transition: width 0.5s var(--ease-out);
}
.calc-row.is-cheapest { background: rgba(31, 92, 71, 0.07); }
.calc-name { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; }
.calc-plan { font-family: var(--font-mono); font-size: 0.62rem; color: var(--ink-mute); letter-spacing: 0.06em; display: block; text-transform: uppercase; }
.calc-cost { font-family: var(--font-display); font-size: 1.35rem; font-weight: 600; white-space: nowrap; }
.calc-cost small { font-family: var(--font-mono); font-size: 0.58rem; color: var(--ink-mute); display: block; text-align: right; letter-spacing: 0.06em; }
.calc-note { font-size: 0.85rem; color: var(--ink-mute); margin-top: 1rem; }

/* ----- 9. Tool cards grid ----- */
.tools-grid { display: grid; gap: 1px; background: var(--line-hard); border: 1px solid var(--line-hard); }
@media (min-width: 640px) { .tools-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1020px) { .tools-grid { grid-template-columns: repeat(3, 1fr); } }

.tool-card {
  background: var(--bg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  text-decoration: none;
  transition: background 0.3s var(--ease-out);
}
.tool-card:hover { background: var(--paper); }
.tool-card .tc-top { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.tool-card h3 { font-size: 1.5rem; }
.tc-score {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  padding: 0.15rem 0.45rem;
  white-space: nowrap;
}
.tc-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-weight: 600;
}
.tool-card p { margin: 0; font-size: 0.93rem; color: var(--ink-soft); }
.tc-price { margin-top: auto; padding-top: 0.85rem; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-mute); letter-spacing: 0.04em; }
.tc-price b { font-family: var(--font-display); font-size: 1.25rem; color: var(--ink); letter-spacing: 0; }

/* ----- 10. Guías / article cards ----- */
.guides { display: grid; gap: 1.8rem; }
@media (min-width: 720px) { .guides { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .guides { grid-template-columns: repeat(4, 1fr); } }

.guide-card { text-decoration: none; display: grid; gap: 0.75rem; align-content: start; }
.guide-card .gc-img { overflow: hidden; aspect-ratio: 3 / 2; background: var(--bg-2); }
.guide-card img { width: 100%; height: 100%; object-fit: cover; filter: sepia(0.14) saturate(0.88); transition: transform 0.7s var(--ease-out); }
.guide-card:hover img { transform: scale(1.045); }
.guide-card h3 { font-size: 1.2rem; line-height: 1.18; }
.guide-card .gc-meta { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.guide-card p { margin: 0; font-size: 0.88rem; color: var(--ink-mute); }

/* ----- 11. Article (ficha + guía) ----- */
.article-head { padding-block: clamp(2.2rem, 5vw, 3.6rem) 1.8rem; border-bottom: 2px solid var(--ink); }
.article-head h1 { font-size: clamp(2.1rem, 5.5vw, 3.9rem); }
.article-head h1 em { font-style: italic; color: var(--accent); }
.byline {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: 1.2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.prose { max-width: 70ch; }
.prose p { margin: 0 0 1.25rem; }
.prose h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin: 2.8rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line-hard);
}
.prose h3 { font-size: 1.25rem; margin: 2rem 0 0.7rem; }
.prose ul, .prose ol { margin: 0 0 1.35rem; padding-left: 1.15rem; }
.prose li { margin-bottom: 0.5rem; }
.prose a { color: var(--accent); text-underline-offset: 3px; }
.prose strong { font-weight: 700; }

.pullquote {
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  padding: 1.5rem 0;
  margin: 2.4rem 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  line-height: 1.24;
}

.callout {
  border-left: 3px solid var(--accent-2);
  background: var(--bg-2);
  padding: 1.1rem 1.3rem;
  margin: 1.8rem 0;
  font-size: 0.93rem;
}
.callout strong { display: block; font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 0.4rem; }

/* Pros / contras */
.pc-grid { display: grid; gap: 1px; background: var(--line-hard); border: 1px solid var(--line-hard); margin: 1.8rem 0; }
@media (min-width: 640px) { .pc-grid { grid-template-columns: 1fr 1fr; } }
.pc-col { background: var(--bg); padding: 1.3rem; }
.pc-col h4 { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; margin: 0 0 0.9rem; }
.pc-col.pro h4 { color: var(--accent); }
.pc-col.con h4 { color: var(--accent-3); }
.pc-col ul { margin: 0; padding-left: 1.1rem; font-size: 0.92rem; }
.pc-col li { margin-bottom: 0.55rem; }

/* Plans table on ficha */
table.plans { width: 100%; border-collapse: collapse; margin: 1.6rem 0; font-size: 0.9rem; }
table.plans th, table.plans td { border: 1px solid var(--line); padding: 0.65rem 0.8rem; text-align: left; }
table.plans thead th { background: var(--ink); color: var(--bg); font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 500; }
table.plans tbody tr:nth-child(even) { background: var(--paper); }
table.plans td.num { font-family: var(--font-mono); white-space: nowrap; }

.ficha-layout { display: grid; gap: 2.5rem; padding-block: 2.5rem; }
@media (min-width: 1000px) { .ficha-layout { grid-template-columns: 1fr 330px; align-items: start; } }
.ficha-aside { position: sticky; top: 120px; display: grid; gap: 1.2rem; }
.aside-card { border: 1px solid var(--line-hard); background: var(--paper); padding: 1.3rem; }
.aside-card h4 { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-mute); margin: 0 0 0.9rem; font-weight: 500; }
.verdict-score { font-family: var(--font-display); font-size: 3.2rem; font-weight: 600; line-height: 1; color: var(--accent); }
.verdict-score small { font-size: 1rem; color: var(--ink-mute); }

/* ----- 12. Transparencia / afiliados ----- */
.transparency { background: var(--ink); color: var(--bg); }
.transparency .kicker { color: var(--accent-2); }
.transparency h2 { color: var(--bg); }
.transparency .section-head { border-bottom-color: var(--bg); }
.transparency .section-head p { color: rgba(247, 244, 238, 0.66); }
.steps { display: grid; gap: 1px; background: rgba(247, 244, 238, 0.22); border: 1px solid rgba(247, 244, 238, 0.22); }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step { background: var(--ink); padding: 1.4rem; }
.step-num { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.12em; color: var(--accent-2); display: block; margin-bottom: 0.7rem; }
.step h3 { font-size: 1.15rem; color: var(--bg); margin-bottom: 0.5rem; }
.step p { margin: 0; font-size: 0.87rem; color: rgba(247, 244, 238, 0.66); }

/* ----- 13. Footer ----- */
.site-footer { border-top: 2px solid var(--ink); padding-block: 2.6rem 1.6rem; font-size: 0.86rem; }
.footer-grid { display: grid; gap: 1.8rem; }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 1.6fr 1fr 1fr; } }
.site-footer h4 { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-mute); margin: 0 0 0.8rem; font-weight: 500; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.45rem; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { text-decoration: underline; text-underline-offset: 3px; }
.disclosure { margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid var(--line); color: var(--ink-mute); font-size: 0.8rem; max-width: 78ch; }

/* ----- 14. Reveal animations ----- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.75s var(--ease-out), transform 0.75s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }
/* Defensive: split-text elements must never stay invisible (gotcha A.4.5) */
.reveal[data-split] { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ----- 15. Utilities ----- */
.mono { font-family: var(--font-mono); }
.mute { color: var(--ink-mute); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.stack-sm > * + * { margin-top: 0.6rem; }