/* FlipAgro · Sistema visual compartido — Editorial Tierra
   Usado por flipagro.html, funds.html y app.html */

:root {
  --paper: #f1ece1;
  --paper-2: #e8e1d2;
  --paper-3: #ddd4c0;
  --ink: #14150f;
  --ink-soft: #3a3b32;
  --olive: #3a4a2a;
  --olive-deep: #25301c;
  --olive-soft: #6a7855;
  --gold: #b89968;
  --terracotta: #b86a4a;
  --rule: rgba(20, 21, 15, 0.14);
  --rule-strong: rgba(20, 21, 15, 0.32);
  --serif: 'Cormorant Garamond', 'EB Garamond', Georgia, serif;
  --sans: 'Inter Tight', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; }

.mono { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; }
.sans { font-family: var(--sans); }
.display { font-family: var(--serif); font-weight: 400; letter-spacing: -0.018em; line-height: 1; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 400; font-family: var(--serif); }
p { margin: 0; }
em { font-style: italic; color: var(--olive); }

/* ───── Top utility bar ───── */
.tb {
  background: var(--olive-deep);
  color: var(--paper);
  padding: 8px 56px;
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.tb .gold { color: var(--gold); }
.tb-ticker {
  align-items: center;
  gap: 18px;
  position: relative;
  overflow: hidden;
}
.tb-ticker .tb-tag {
  flex: 0 0 auto;
  color: var(--gold);
  border: 1px solid rgba(184,153,104,0.5);
  padding: 3px 8px;
}
.tb-ticker .tb-meta {
  flex: 0 0 auto;
  color: var(--gold);
}
.tb-track {
  flex: 1 1 auto;
  position: relative;
  height: 14px;
  overflow: hidden;
}
.tb-line {
  position: absolute;
  inset: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  letter-spacing: 0.08em;
  text-transform: none;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--paper);
}
.tb-line.on {
  opacity: 1;
  transform: translateY(0);
}

/* ───── Navigation (cross-site aware) ───── */
.nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 22px 56px;
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  background: rgba(241, 236, 225, 0.96);
  backdrop-filter: blur(8px);
  z-index: 50;
}
.nav .left { display: flex; align-items: center; gap: 18px; }
.nav .logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--serif);
  font-size: 22px;
  text-decoration: none;
  color: var(--ink);
}
.nav .logo .dot {
  width: 6px; height: 6px;
  background: var(--olive);
  border-radius: 50%;
  transform: translateY(-1px);
}
.nav .logo em { font-style: italic; color: var(--olive); }
.nav .logo.logo-img { padding: 0; }
.nav .logo.logo-img img {
  height: 38px;
  width: auto;
  display: block;
  object-fit: contain;
}

/* Site switcher pill */
.site-tag {
  font-family: var(--sans);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 4px 8px;
  border: 1px solid var(--olive);
  color: var(--olive);
  background: transparent;
  text-decoration: none;
}
.site-tag.active { background: var(--olive); color: var(--paper); }
.site-switch { display: flex; gap: 4px; }

.nav-links { display: flex; gap: 28px; justify-content: center; }
.nav-links a {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: 0.2s;
}
.nav-links a:hover { color: var(--olive); border-bottom-color: var(--olive); }
.nav-links a.on { color: var(--olive); border-bottom-color: var(--olive); }

.nav .right {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  align-items: center;
}
.nav .lang {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  cursor: pointer;
  background: transparent;
  border: 0;
  padding: 4px 6px;
  margin: 0;
  line-height: inherit;
  transition: color 0.2s;
}
.nav .lang:hover { color: var(--olive); }
.nav .lang strong { color: var(--ink); font-weight: 600; }
.nav .lang:hover strong { color: var(--olive); }

/* Buttons */
.btn {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 10px 18px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: 0.2s;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn.solid { background: var(--olive); color: var(--paper); border-color: var(--olive); }
.btn.solid:hover { background: var(--olive-deep); border-color: var(--olive-deep); }
.btn.gold { background: var(--gold); color: var(--ink); border-color: var(--gold); }
.btn.gold:hover { background: var(--ink); color: var(--gold); }
.btn.light { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn.ghost-light {
  background: transparent;
  color: var(--paper);
  border-color: rgba(241, 236, 225, 0.4);
}
.btn.ghost-light:hover { background: rgba(241, 236, 225, 0.08); }

/* ───── Photo component ───── */
.photo {
  position: relative;
  overflow: hidden;
  background: #1a1a14;
}
.photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.02);
}
.photo .label {
  position: absolute;
  left: 14px;
  bottom: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  padding: 5px 9px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(4px);
}

/* ───── Common section header ───── */
.secthead {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  padding: 100px 56px 50px;
  align-items: end;
}
.secthead .num {
  font-family: var(--serif);
  font-size: 100px;
  line-height: 0.9;
  color: var(--olive);
  font-style: italic;
}
.secthead h2 { font-size: 68px; max-width: 900px; line-height: 1; }
.secthead h2 em { font-style: italic; color: var(--olive); }
.secthead .lede {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 600px;
  margin-top: 18px;
}

/* ───── Footer ───── */
.footer {
  padding: 70px 56px 30px;
  background: var(--ink);
  color: var(--paper);
}
.footer .top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(241, 236, 225, 0.18);
  margin-bottom: 24px;
}
.footer .brand {
  font-family: var(--serif);
  font-size: 36px;
  margin-bottom: 16px;
  color: var(--paper);
  text-decoration: none;
  display: block;
}
.footer .brand em { color: var(--gold); font-style: italic; }
.footer .legal {
  font-family: var(--sans);
  font-size: 11px;
  color: rgba(241, 236, 225, 0.55);
  line-height: 1.6;
  max-width: 360px;
}
.footer h5 {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.footer .col a {
  display: block;
  color: var(--paper);
  text-decoration: none;
  font-family: var(--sans);
  font-size: 13px;
  padding: 4px 0;
  opacity: 0.85;
}
.footer .col a:hover { opacity: 1; }
.footer .copy {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: rgba(241, 236, 225, 0.55);
  padding-top: 24px;
  border-top: 1px solid rgba(241, 236, 225, 0.1);
}

/* ───── Utility / shared blocks reused across sites ───── */
.stats-row {
  padding: 60px 56px;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stats-row .stat {
  padding: 0 28px;
  border-left: 1px solid var(--rule);
}
.stats-row .stat:first-child { border-left: none; padding-left: 0; }
.stats-row .n {
  font-family: var(--serif);
  font-size: 64px;
  line-height: 1;
  letter-spacing: -0.03em;
}
.stats-row .u {
  font-size: 18px;
  color: var(--olive);
  margin-left: 4px;
  font-style: italic;
}
.stats-row .l {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-top: 14px;
}

/* ───── Page hero (sub-pages) ───── */
.page-hero {
  padding: 80px 56px 60px;
  border-bottom: 1px solid var(--rule);
}
.page-hero .crumb {
  display: flex;
  gap: 14px;
  margin-bottom: 28px;
  align-items: center;
}
.page-hero .crumb a { color: var(--ink-soft); text-decoration: none; }
.page-hero .crumb a:hover { color: var(--olive); }
.page-hero .crumb span.sep { color: var(--olive); }
.page-hero .grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: end;
}
.page-hero .kicker { color: var(--olive); margin-bottom: 18px; display: inline-block; }
.page-hero h1 {
  font-family: var(--serif);
  font-size: 108px;
  line-height: 0.94;
  letter-spacing: -0.025em;
  font-weight: 400;
  max-width: 1100px;
}
.page-hero h1 em { font-style: italic; color: var(--olive); }
.page-hero .lede {
  font-size: 21px;
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 480px;
}
.page-hero .toc {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--rule);
  padding-top: 24px;
  margin-top: 40px;
}
.page-hero .toc a { color: var(--ink); text-decoration: none; display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed var(--rule); }
.page-hero .toc a:hover { color: var(--olive); }

/* ───── Reading text blocks ───── */
.reading {
  padding: 80px 56px;
  display: grid;
  grid-template-columns: 200px 1fr 200px;
  gap: 40px;
  border-top: 1px solid var(--rule);
}
.reading .num { font-family: var(--serif); font-size: 80px; line-height: 0.9; color: var(--olive); font-style: italic; }
.reading .body { max-width: 760px; }
.reading .body h2 {
  font-family: var(--serif);
  font-size: 56px;
  line-height: 1;
  font-weight: 400;
  margin-bottom: 30px;
}
.reading .body h2 em { font-style: italic; color: var(--olive); }
.reading .body h3 {
  font-family: var(--serif);
  font-size: 32px;
  margin: 36px 0 14px;
  font-weight: 400;
  color: var(--olive-deep);
}
.reading .body p {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.55;
  margin-bottom: 18px;
  color: var(--ink);
}
.reading .body p.lede {
  font-size: 23px;
  line-height: 1.4;
  color: var(--ink-soft);
  font-style: italic;
  margin-bottom: 28px;
  border-left: 2px solid var(--olive);
  padding-left: 20px;
}
.reading .pull {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.3;
  font-style: italic;
  color: var(--olive);
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid var(--rule);
}

/* ───── Comparison table ───── */
.compare {
  padding: 80px 56px;
  border-top: 1px solid var(--rule);
  background: var(--paper-2);
}
.compare h2 { font-family: var(--serif); font-size: 56px; margin-bottom: 14px; font-weight: 400; }
.compare h2 em { font-style: italic; color: var(--olive); }
.compare .lede { color: var(--ink-soft); max-width: 520px; margin-bottom: 50px; }
.compare table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--serif);
}
.compare th, .compare td {
  padding: 18px 20px;
  text-align: left;
  border-bottom: 1px solid var(--rule);
  font-size: 17px;
  vertical-align: top;
}
.compare th {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 14px;
}
.compare th.fa { color: var(--olive); }
.compare td.lbl { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); width: 220px; }
.compare td.fa { color: var(--olive-deep); font-weight: 500; }
.compare td.trad { color: var(--ink-soft); }

/* ───── Process steps (vertical) ───── */
.steps {
  padding: 80px 56px;
  border-top: 1px solid var(--rule);
}
.steps h2 { font-family: var(--serif); font-size: 56px; margin-bottom: 14px; font-weight: 400; }
.steps h2 em { font-style: italic; color: var(--olive); }
.steps .lede { color: var(--ink-soft); max-width: 520px; margin-bottom: 50px; }
.steps .list { display: flex; flex-direction: column; }
.steps .step {
  display: grid;
  grid-template-columns: 80px 280px 1fr 200px;
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--rule);
  align-items: start;
}
.steps .step:last-child { border-bottom: 1px solid var(--rule); }
.steps .step .n {
  font-family: var(--serif);
  font-size: 56px;
  font-style: italic;
  color: var(--olive);
  line-height: 0.9;
}
.steps .step h4 {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 400;
  margin-bottom: 6px;
}
.steps .step .equiv {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.steps .step .body { font-size: 17px; color: var(--ink-soft); line-height: 1.5; max-width: 580px; }
.steps .step .meta { font-family: var(--mono); font-size: 11px; color: var(--olive); letter-spacing: 0.08em; text-transform: uppercase; text-align: right; }

/* ───── Number cards ───── */
.numgrid {
  padding: 80px 56px;
  border-top: 1px solid var(--rule);
  background: var(--olive-deep);
  color: var(--paper);
}
.numgrid h2 { font-family: var(--serif); font-size: 56px; margin-bottom: 14px; font-weight: 400; }
.numgrid h2 em { font-style: italic; color: var(--gold); }
.numgrid .lede { color: rgba(241,236,225,0.7); max-width: 520px; margin-bottom: 50px; }
.numgrid .grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.18);
}
.numgrid .cell {
  padding: 32px;
  border-right: 1px solid rgba(255,255,255,0.18);
  border-bottom: 1px solid rgba(255,255,255,0.18);
}
.numgrid .cell:nth-child(4n) { border-right: none; }
.numgrid .cell .n {
  font-family: var(--serif);
  font-size: 64px;
  line-height: 0.95;
  color: var(--gold);
  font-style: italic;
  letter-spacing: -0.02em;
}
.numgrid .cell .u { font-size: 18px; color: rgba(241,236,225,0.6); margin-left: 4px; }
.numgrid .cell .l { font-family: var(--sans); font-size: 13px; margin-top: 14px; color: rgba(241,236,225,0.85); line-height: 1.4; }

/* ───── Contact modal ───── */
.fa-modal-mask {
  position: fixed; inset: 0;
  background: rgba(20, 21, 15, 0.55);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.fa-modal-mask.open { display: flex; opacity: 1; }
.fa-modal {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--rule-strong);
  width: 100%;
  max-width: 640px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  position: relative;
  padding: 56px 48px 44px;
  transform: translateY(12px);
  transition: transform 0.25s ease;
  box-shadow: 0 30px 80px rgba(20, 21, 15, 0.35);
}
.fa-modal-mask.open .fa-modal { transform: translateY(0); }
.fa-modal::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--olive), transparent);
  opacity: 0.6;
}
.fa-modal .head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 28px;
}
.fa-modal .kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--olive);
  display: block;
  margin-bottom: 12px;
}
.fa-modal h2 {
  font-family: var(--serif);
  font-size: 44px;
  line-height: 1;
  font-weight: 400;
  letter-spacing: -0.015em;
}
.fa-modal h2 em { font-style: italic; color: var(--olive); }
.fa-modal .close {
  background: transparent;
  border: 1px solid var(--rule-strong);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 14px;
  width: 36px; height: 36px;
  cursor: pointer;
  flex: 0 0 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.2s;
}
.fa-modal .close:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.fa-modal form { display: grid; gap: 18px; }
.fa-modal .field { display: grid; gap: 6px; }
.fa-modal .lbl {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.fa-modal input,
.fa-modal textarea {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.4;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule-strong);
  padding: 10px 0;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}
.fa-modal input:focus,
.fa-modal textarea:focus { border-bottom-color: var(--olive); }
.fa-modal textarea { min-height: 120px; resize: vertical; }
.fa-modal input[readonly] { color: var(--ink-soft); cursor: not-allowed; }
.fa-modal .actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  margin-top: 6px;
  flex-wrap: wrap;
}
.fa-modal .meta {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.fa-modal .submit {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 12px 26px;
  background: var(--olive);
  color: var(--paper);
  border: 1px solid var(--olive);
  cursor: pointer;
  transition: 0.2s;
}
.fa-modal .submit:hover { background: var(--olive-deep); border-color: var(--olive-deep); }
.fa-modal .submit:disabled { opacity: 0.55; cursor: wait; }
.fa-modal .feedback {
  margin-top: 18px;
  padding: 14px 16px;
  font-family: var(--sans);
  font-size: 13px;
  border: 1px solid var(--rule-strong);
  display: none;
}
.fa-modal .feedback.ok { display: block; border-color: var(--olive); color: var(--olive-deep); background: rgba(58, 74, 42, 0.06); }
.fa-modal .feedback.err { display: block; border-color: var(--terracotta); color: var(--terracotta); background: rgba(184, 106, 74, 0.06); }
.fa-modal .readonly-line {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.4;
  color: var(--ink);
  padding: 10px 0;
  border-bottom: 1px dashed var(--rule);
}
.fa-modal .ref-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--olive);
  padding: 2px 7px;
  border: 1px solid var(--olive);
  margin-left: 8px;
  vertical-align: 2px;
}

/* "Limpiar filtros" chip variant */
.quickfilters .chip.clear {
  margin-left: auto;
  background: transparent;
  border-color: var(--rule-strong);
  color: var(--ink-soft);
  cursor: pointer;
}
.quickfilters .chip.clear:hover {
  border-color: var(--terracotta);
  color: var(--terracotta);
}
.quickfilters .chip.clear.on-active {
  border-color: var(--terracotta);
  color: var(--terracotta);
}

@media (max-width: 640px) {
  /* Modal "Habla con nosotros" — alineado al tamaño del modal de flipagrofunds.es */
  .fa-modal-mask { padding: 16px; }
  .fa-modal {
    padding: 28px 22px;
    max-height: calc(100vh - 32px);
  }
  .fa-modal::before { display: none; }
  .fa-modal .head {
    flex-direction: row;
    gap: 14px;
    padding-bottom: 16px;
    margin-bottom: 18px;
  }
  .fa-modal .close {
    align-self: flex-start;
    width: 32px; height: 32px;
    flex: 0 0 32px;
    font-size: 13px;
  }
  .fa-modal .kicker { font-size: 10.5px; margin-bottom: 8px; }
  .fa-modal h2 { font-size: 30px; line-height: 1.05; }
  .fa-modal form { gap: 14px; }
  .fa-modal .lbl { font-size: 10px; }
  .fa-modal input,
  .fa-modal textarea { font-size: 15px; padding: 9px 0; }
  .fa-modal textarea { min-height: 96px; }
  .fa-modal .submit { width: 100%; padding: 13px; font-size: 11.5px; }
  .fa-modal .actions { gap: 12px; padding-top: 12px; }
  .fa-modal .meta { font-size: 9.5px; }
  .quickfilters .chip.clear { margin-left: 0; width: 100%; text-align: center; }
}

@media (max-width: 1100px) {
  .page-hero h1 { font-size: 72px; }
  .page-hero .grid { grid-template-columns: 1fr; }
  .reading { grid-template-columns: 1fr; }
  .reading .num { font-size: 60px; }
  .steps .step { grid-template-columns: 60px 1fr; gap: 16px; }
  .steps .step .equiv, .steps .step .body, .steps .step .meta { grid-column: 2; }
  .steps .step .meta { text-align: left; margin-top: 8px; }
  .numgrid .grid { grid-template-columns: 1fr 1fr; }
  .numgrid .cell:nth-child(4n) { border-right: 1px solid rgba(255,255,255,0.18); }
  .numgrid .cell:nth-child(2n) { border-right: none; }
}
@media (max-width: 640px) {
  .page-hero, .reading, .compare, .steps, .numgrid { padding-left: 22px; padding-right: 22px; }
  .page-hero h1, .reading .body h2, .compare h2, .steps h2, .numgrid h2 { font-size: 42px; }
  .compare table, .compare thead, .compare tbody, .compare th, .compare td, .compare tr { display: block; }
  .compare th { display: none; }
  .compare td { padding: 8px 0; border: none; }
  .compare tr { padding: 18px 0; border-bottom: 1px solid var(--rule); }
  .numgrid .grid { grid-template-columns: 1fr; }
  .numgrid .cell { border-right: none !important; }
}

/* ─────────────────────────────────────────────
   Hamburger button + mobile drawer (defaults — hidden on desktop)
   ───────────────────────────────────────────── */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  gap: 4px;
  width: 38px;
  height: 38px;
  padding: 9px 9px;
  border: 1px solid var(--rule-strong);
  background: transparent;
  cursor: pointer;
  flex: 0 0 38px;
}
.nav-burger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.2s ease;
  transform-origin: center;
}
.nav-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }
.nav-burger:hover { border-color: var(--olive); }
.nav-burger:hover span { background: var(--olive); }

.fa-mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--paper);
  /* nav está sticky a z-index 50, mantenemos el drawer por debajo
     para que el burger quede siempre clicable encima */
  z-index: 40;
  padding: 92px 24px 32px;
  overflow-y: auto;
  transform: translateY(-100%);
  transition: transform 0.32s cubic-bezier(0.5, 0.1, 0.25, 1);
  -webkit-overflow-scrolling: touch;
}
.fa-mobile-menu.open { transform: translateY(0); }
.fa-mobile-menu .mm-links {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule);
}
.fa-mobile-menu .mm-links a {
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1.15;
  color: var(--ink);
  text-decoration: none;
  padding: 18px 4px;
  border-bottom: 1px solid var(--rule);
  letter-spacing: -0.01em;
}
.fa-mobile-menu .mm-links a:hover { color: var(--olive); }
.fa-mobile-menu .mm-links a.on { color: var(--olive); font-style: italic; }
.fa-mobile-menu .mm-actions {
  display: flex;
  gap: 10px;
  margin-top: 28px;
  flex-wrap: wrap;
  align-items: center;
}
.fa-mobile-menu .mm-actions .btn {
  flex: 1 1 auto;
  text-align: center;
  font-size: 12px;
}
.fa-mobile-menu .mm-actions .lang {
  flex: 0 0 auto;
  padding: 10px 14px;
  border: 1px solid var(--rule-strong);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: transparent;
  cursor: pointer;
  color: var(--ink);
}
.fa-mobile-menu .mm-actions .lang strong { font-weight: 600; color: var(--ink); }

/* ─────────────────────────────────────────────
   MOBILE — chrome (nav, footer, top bar) + shared blocks
   Cubre todas las páginas que cargan styles.css.
   ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .tb { padding: 6px 18px; gap: 10px; }
  .tb .tb-meta, .tb-ticker .tb-meta { display: none; }

  .nav {
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 14px 18px;
    align-items: center;
  }
  .nav .left { gap: 10px; min-width: 0; }
  .nav .left .site-switch { display: none; }
  .nav .logo { font-size: 18px; }
  .nav .logo.logo-img img { height: 30px; }

  /* Esconder nav-links + .btn desktop; mantener .lang + hamburguesa */
  .nav-links { display: none; }
  .nav .right { gap: 8px; flex-wrap: nowrap; align-items: center; }
  .nav .right .btn { display: none; }
  /* .lang queda visible y compacto, junto al burger */
  .nav .right .lang {
    display: inline-flex;
    align-items: center;
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: 0.12em;
    padding: 7px 9px;
    border: 1px solid var(--rule-strong);
    line-height: 1;
    background: transparent;
    color: var(--ink);
  }
  .nav .right .lang strong { font-weight: 600; color: var(--ink); }
  .nav-burger { display: inline-flex; }

  /* Activar drawer */
  .fa-mobile-menu { display: block; }
  body.fa-menu-open { overflow: hidden; touch-action: none; }

  .footer { padding: 50px 22px 24px; }
  .footer .top {
    grid-template-columns: 1fr 1fr;
    gap: 30px 24px;
    padding-bottom: 32px;
  }
  .footer .top > div:first-child { grid-column: 1 / -1; }
  .footer .brand { font-size: 30px; }
  .footer .copy {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .secthead {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 60px 22px 36px;
  }
  .secthead .num { font-size: 64px; }
  .secthead h2 { font-size: 38px; }

  .stats-row {
    padding: 36px 22px;
    grid-template-columns: 1fr 1fr;
    gap: 22px 16px;
  }
  .stats-row .stat { padding: 0; border-left: none; border-top: 1px solid var(--rule); padding-top: 16px; }
  .stats-row .stat:first-child { padding-top: 16px; border-top: 1px solid var(--rule); }
  .stats-row .n { font-size: 44px; }

  .steps { padding: 60px 22px; }
  .steps .step {
    grid-template-columns: 60px 1fr;
    gap: 18px;
    padding: 22px 0;
  }
  .steps .step .body,
  .steps .step .equiv,
  .steps .step .meta { grid-column: 2; }
  .steps .step .meta { text-align: left; margin-top: 10px; }
  .steps .step .n { font-size: 42px; }
  .steps .step h4 { font-size: 22px; }

  .reading {
    grid-template-columns: 1fr;
    padding: 60px 22px;
    gap: 18px;
  }
  .reading .num { font-size: 56px; }
  .reading .body p { font-size: 17px; }
  .reading .body p.lede { font-size: 19px; padding-left: 14px; }

  .page-hero { padding: 50px 22px 36px; }
  .page-hero h1 { font-size: 56px; }
  .page-hero .grid { grid-template-columns: 1fr; gap: 18px; }
  .page-hero .lede { font-size: 18px; }
}

@media (max-width: 600px) {
  .tb { display: none; }
  .nav { padding: 12px 16px; }
  .nav .logo { font-size: 17px; }
  .fa-mobile-menu { padding: 80px 20px 28px; }
  .fa-mobile-menu .mm-links a { font-size: 22px; padding: 16px 2px; }

  .footer { padding: 40px 18px 22px; }
  .footer .top { grid-template-columns: 1fr; gap: 24px; }
  .footer .brand { font-size: 26px; }

  .secthead { padding: 44px 18px 28px; }
  .secthead h2 { font-size: 30px; }
  .stats-row { padding: 30px 18px; gap: 18px 12px; }
  .stats-row .n { font-size: 36px; }
  .page-hero h1 { font-size: 40px; }
}