@font-face {
  font-family: "Schibsted Grotesk";
  src: url("/fonts/schibsted-grotesk-latin.woff2") format("woff2");
  font-weight: 400 900;
  font-display: swap;
}
@font-face {
  font-family: "Martian Mono";
  src: url("/fonts/martian-mono-latin.woff2") format("woff2");
  font-weight: 100 800;
  font-display: swap;
}

:root {
  --ink: #171c1b;
  --ink-2: #48514e;
  --ink-hover: #2f3836;
  --paper: #eef1ec;
  --rule: #c3cbc5;
  --mark: #2b7a66;
  --mark-ink: #1f5c4c;
  --sans: "Schibsted Grotesk", system-ui, sans-serif;
  --mono: "Martian Mono", ui-monospace, monospace;
  --gutter: clamp(16px, 4vw, 56px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.55 var(--sans);
  font-feature-settings: "tnum" 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--ink); color: var(--paper); }
html { scrollbar-color: var(--rule) var(--paper); caret-color: var(--ink); }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:not(.button):hover { color: var(--ink); text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--mark); outline-offset: 3px; border-radius: 2px; }
img { display: block; max-width: 100%; height: auto; }
p, h1, h2, dl, dd, figure { margin: 0; }
.mono { font-family: var(--mono); font-size: 0.85em; letter-spacing: -0.01em; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.skip { position: absolute; left: var(--gutter); top: -100px; background: var(--ink); color: var(--paper); padding: 8px 12px; z-index: 2; }
.skip:focus { top: 12px; }
a.skip:hover { color: var(--paper); }

/* Cabecera */
.top {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 22px var(--gutter);
  border-bottom: 1px solid var(--rule);
}
.brand img { width: clamp(132px, 14vw, 170px); }
.top nav { display: flex; gap: clamp(14px, 2.4vw, 32px); align-items: baseline; font-size: 0.95rem; }
.top nav a { text-decoration: none; color: var(--ink-2); }
.top nav a:hover, .top nav [aria-current="page"] { color: var(--ink); }
.top nav [aria-current="page"] { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.35em; }
.top nav .enter { color: var(--ink); font-weight: 600; border-bottom: 1px solid var(--ink); }

/* Botón */
.button {
  display: inline-block; text-decoration: none;
  background: var(--ink); color: var(--paper);
  font-weight: 600; letter-spacing: 0.005em;
  padding: 14px 26px; border-radius: 2px;
  transition: background-color 180ms var(--ease);
}
.button:hover { background: var(--ink-hover); color: var(--paper); }
.address { font-family: var(--mono); font-size: 0.8rem; color: var(--ink-2); margin-left: 16px; }

/* Primera vista */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(24px, 4vw, 72px);
  align-items: center;
  padding: 48px var(--gutter) 64px;
}
h1 {
  font-weight: 700;
  font-size: clamp(2.75rem, 6.4vw, 6rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
.lede { margin-top: clamp(20px, 2.4vw, 32px); max-width: 34ch; font-size: clamp(1.0625rem, 1.3vw, 1.25rem); color: var(--ink-2); text-wrap: pretty; }
.actions { margin-top: clamp(28px, 3vw, 40px); display: flex; flex-wrap: wrap; align-items: center; row-gap: 12px; }

/* Instrumento */
.instrument { display: grid; grid-template-columns: minmax(0, 1fr); justify-items: end; }
.instrument svg { aspect-ratio: 1; height: min(620px, max(320px, calc(100svh - 420px))); width: auto; max-width: 100%; overflow: visible; }
.instrument .frame { fill: none; stroke: var(--ink); stroke-width: 2; stroke-linejoin: round; }
.instrument .tick { stroke: var(--ink); stroke-width: 1; vector-effect: non-scaling-stroke; }
.instrument .tick.major { stroke-width: 2; }
.instrument .frame, .instrument .thread { vector-effect: non-scaling-stroke; }
.instrument .scale { font: 400 20px var(--mono); fill: var(--ink-2); text-anchor: middle; dominant-baseline: central; }
.instrument .scale.end { text-anchor: start; }
.instrument .pivot { fill: var(--ink); }
.instrument .plumb {
  transform-box: view-box;
  transform-origin: 40px 40px;
  transform: rotate(var(--angle, 13.32deg));
  transition: transform 1100ms var(--ease);
}
.instrument .thread { stroke: var(--mark); stroke-width: 2; }
.instrument .bob { fill: var(--mark); }
.instrument .index { stroke: var(--mark); stroke-width: 3; stroke-linecap: round; }

.reading {
  width: 100%; max-width: 620px;
  margin-top: 8px; padding-top: 16px;
  border-top: 1px solid var(--rule);
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "measures measures" "name value" "expr expr" "formula formula" "note note";
  column-gap: 24px; row-gap: 4px; align-items: end;
}
.measures { grid-area: measures; display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 10px; }
.measures button, .cycle button {
  font: 500 0.9rem var(--sans);
  min-height: 44px; color: var(--ink-2); background: transparent;
  border: 1px solid var(--rule); border-radius: 2px;
  padding: 8px 14px; cursor: pointer;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease);
}
.measures button:hover, .cycle button:hover { color: var(--ink); border-color: var(--ink); }
.measures button[aria-pressed="true"], .cycle button[aria-pressed="true"] { color: var(--paper); background: var(--ink); border-color: var(--ink); }
.value { grid-area: value; color: var(--mark-ink); font: 400 clamp(2.5rem, 5vw, 4.25rem)/1 var(--mono); letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.name { grid-area: name; font-weight: 600; font-size: 1.05rem; }
.expr { grid-area: expr; font: 400 0.85rem/1.5 var(--mono); letter-spacing: -0.01em; }
.formula { grid-area: formula; max-width: 52ch; color: var(--ink-2); font-size: 0.95rem; }
.note { grid-area: note; font-size: 0.85rem; color: var(--ink-2); margin-top: 4px; }

/* Bloques */
.block {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: 16px clamp(24px, 4vw, 72px);
  padding: 64px var(--gutter);
  border-top: 1px solid var(--rule);
}
@media (min-width: 961px) {
  .block { padding-block: 112px; }
  /* La ficha reserva dos líneas de expresión y de fórmula: al cambiar de medida no cambia de alto y el titular no salta. */
  .reading .expr { min-height: 3em; }
  .reading .formula { min-height: 3.1em; }
}
h2 { font-weight: 650; font-size: clamp(1.75rem, 3vw, 2.5rem); line-height: 1.05; letter-spacing: -0.025em; text-wrap: balance; }
.rows { display: grid; }
.rows > div {
  display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 8px 32px;
  padding: 20px 0; border-bottom: 1px solid var(--rule);
}
.rows > div:first-child { padding-top: 6px; }
.rows dt { font-weight: 600; }
.rows dd { color: var(--ink-2); max-width: 60ch; }
.aside { grid-column: 2; margin-top: 24px; font-weight: 600; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.split > p { color: var(--ink-2); max-width: 46ch; font-size: 1.125rem; }

/* Demostración de marca */
.brand-demo { --firm-1: #7a2e3b; --firm-2: #e9c46a; border: 1px solid var(--rule); background: #fbfcfa; }
.portal-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; background: var(--firm-1); color: #fff;
  transition: background-color 500ms var(--ease);
}
.firm-logo { width: 26px; height: 26px; border-radius: 50%; background: var(--firm-2); transition: background-color 500ms var(--ease); }
.firm-name { font-weight: 600; }
.portal-body { padding: 22px 18px 18px; }
.pb-label { color: var(--ink-2); font-size: 0.85rem; }
.pb-value { font: 400 1.75rem var(--mono); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; margin-top: 4px; }
.pb-action {
  display: inline-block; margin-top: 18px; padding: 8px 14px; border-radius: 2px;
  background: var(--firm-2); color: var(--ink); font-weight: 600; font-size: 0.9rem;
  transition: background-color 500ms var(--ease);
}
.pb-sub { font-size: 0.85rem; color: var(--ink-2); margin-top: 6px; }
.swatches { display: flex; gap: 8px; padding: 0 18px 18px; }
.swatches button {
  width: 44px; height: 44px; padding: 0; cursor: pointer;
  border: 1px solid var(--rule); border-radius: 2px;
  background: linear-gradient(90deg, var(--c1) 0 60%, var(--c2) 60% 100%);
}
.swatches button:nth-child(1) { --c1: #7a2e3b; --c2: #e9c46a; }
.swatches button:nth-child(2) { --c1: #1d4e6b; --c2: #9ccfd8; }
.swatches button:nth-child(3) { --c1: #3d4a1f; --c2: #d4a373; }
.swatches button[aria-pressed="true"] { outline: 2px solid var(--ink); outline-offset: 2px; }
.swatches button:focus-visible { outline: 2px solid var(--mark); outline-offset: 3px; }

/* Cierre */
.close { padding: clamp(72px, 10vw, 144px) var(--gutter); border-top: 1px solid var(--rule); }
.close h2 { font-size: clamp(2.25rem, 5vw, 4.5rem); font-weight: 700; letter-spacing: -0.035em; }
.close p { margin-top: 32px; display: flex; flex-wrap: wrap; align-items: center; row-gap: 12px; }

.foot {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  padding: 28px var(--gutter); border-top: 1px solid var(--rule);
  font-size: 0.9rem; color: var(--ink-2);
}
.foot nav { display: flex; gap: 20px; margin-right: auto; }

/* Precios */
.pricing { padding: 48px var(--gutter) 64px; }
.meter { margin-top: clamp(32px, 4vw, 48px); }
.tiers {
  list-style: none; margin: 0; padding: 0 12px;
  display: grid; grid-template-columns: 1fr 1fr 2fr;
  font: 400 0.8rem/1.4 var(--mono); color: var(--ink-2);
}
.tiers li { display: flex; flex-wrap: wrap; column-gap: 12px; padding: 10px 12px; transition: color 160ms var(--ease), background-color 160ms var(--ease); }
.tiers .t-range { color: var(--ink); }
.tiers [data-active] { background: var(--ink); color: var(--paper); }
.tiers [data-active] .t-range { color: var(--paper); }
.ruler { position: relative; height: 80px; }
.ruler::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; border-top: 1px solid var(--rule); }
.ruler::before { content: ""; position: absolute; left: 12px; right: 12px; top: 23px; border-top: 1px solid var(--ink); }
.ruler-ticks { position: absolute; left: 12px; top: 0; width: calc(100% - 24px); height: 24px; overflow: visible; }
.ruler-ticks .tick { stroke: var(--ink); stroke-width: 1; vector-effect: non-scaling-stroke; }
.ruler-ticks .tick.major { stroke-width: 2; }
.ruler-thread { position: absolute; left: 12px; top: 22px; height: 3px; width: calc((100% - 24px) * var(--pos, 0.3322)); background: var(--mark); }
.ruler input {
  position: absolute; left: 0; top: 0; width: 100%; height: 48px; margin: 0;
  -webkit-appearance: none; appearance: none; background: transparent; cursor: pointer;
}
.ruler input::-webkit-slider-runnable-track { height: 48px; background: transparent; }
.ruler input::-moz-range-track { height: 48px; background: transparent; }
.ruler input::-webkit-slider-thumb {
  -webkit-appearance: none; box-sizing: border-box; width: 24px; height: 24px; margin-top: 12px;
  border-radius: 50%; border: 3px solid var(--paper); background: var(--mark);
}
.ruler input::-moz-range-thumb { box-sizing: border-box; width: 24px; height: 24px; border-radius: 50%; border: 3px solid var(--paper); background: var(--mark); }
.ruler input:focus-visible { outline: none; }
.ruler input:focus-visible::-webkit-slider-thumb { outline: 2px solid var(--mark); outline-offset: 3px; }
.ruler input:focus-visible::-moz-range-thumb { outline: 2px solid var(--mark); outline-offset: 3px; }
.ruler-scale { position: absolute; left: 12px; right: 12px; top: 50px; font: 400 0.8rem var(--mono); color: var(--ink-2); }
.ruler-scale span { position: absolute; top: 0; transform: translateX(-50%); }
.ruler-scale .at-0 { left: 0; transform: none; }
.ruler-scale .at-150 { left: 25%; }
.ruler-scale .at-300 { left: 50%; }
.ruler-scale .at-450 { left: 75%; }
.ruler-scale .at-600 { right: 0; transform: none; }
.bill {
  padding-top: 20px; max-width: 860px;
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas: "controls controls" "total action" "expr expr" "avg avg" "note note";
  column-gap: 24px; row-gap: 6px; align-items: end;
}
.bill-controls { grid-area: controls; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; }
.cycle { display: flex; gap: 4px; }
.count { color: var(--ink-2); font-size: 0.95rem; }
.count-input {
  width: 10ch; min-height: 44px; padding: 8px 10px;
  font: 400 1.0625rem var(--mono); font-variant-numeric: tabular-nums; color: var(--ink);
  background: transparent; border: 1px solid var(--rule); border-radius: 2px;
  transition: border-color 160ms var(--ease);
}
.count-input:hover { border-color: var(--ink); }
.total { grid-area: total; margin-top: 16px; color: var(--mark-ink); font: 400 clamp(2.5rem, 5vw, 4.25rem)/1 var(--mono); letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.total [data-out="total"] { white-space: nowrap; }
.total .sep { margin: 0 -0.25em; }
.total .per { display: inline-block; white-space: nowrap; margin-left: 0.4em; font: 400 1.0625rem var(--sans); letter-spacing: 0; color: var(--ink-2); }
.bill .expr .now { text-decoration: underline 2px var(--mark-ink); text-underline-offset: 0.35em; }
.bill .expr { margin-top: 8px; }
.avg { grid-area: avg; color: var(--ink-2); font-size: 0.95rem; }
.bill-action { grid-area: action; margin-top: 0; flex-wrap: nowrap; }

/* Páginas legales */
.legal { max-width: 72ch; padding: clamp(40px, 6vw, 80px) var(--gutter) 96px; }
.legal h1 { font-size: clamp(2.25rem, 4.5vw, 3.5rem); }
.legal h2 { font-size: 1.35rem; margin-top: 40px; }
.legal p, .legal ul { margin-top: 14px; color: var(--ink-2); }
.legal li + li { margin-top: 6px; }
.updated { font: 400 0.8rem var(--mono); color: var(--ink-2); margin-top: 16px; }

@media (max-width: 960px) {
  .hero { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .instrument { justify-items: start; }
  .block { grid-template-columns: minmax(0, 1fr); }
  .aside { grid-column: 1; }
  .split { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .top nav a:not(.enter, .keep) { display: none; }
  .top nav .keep { font-size: 0.85rem; }
  .rows > div { grid-template-columns: minmax(0, 1fr); }
  .address { margin-left: 0; flex-basis: 100%; }
  .bill { grid-template-columns: minmax(0, 1fr); grid-template-areas: "controls" "total" "expr" "avg" "note" "action"; }
  .bill-action { margin-top: 24px; flex-wrap: wrap; }
  .tiers li { padding: 8px 6px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .instrument .plumb, .portal-bar, .firm-logo, .pb-action, .tiers li { transition: none; }
}