/* Tuulo: estilo editorial brutalista (DESIGN.md). Lienzo gris, tarjetas planas sin sombra,
   titulares condensados en mayúsculas; menta y amarillo solo en detalles pequeños. */
@font-face { font-family: "Tuulo Display"; src: url(/assets/fonts/display.woff2) format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Tuulo Sans"; src: url(/assets/fonts/inter.woff2) format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Tuulo Mono"; src: url(/assets/fonts/mono.woff2) format("woff2"); font-weight: 400; font-display: swap; }

:root {
  --ink: #000000;
  --paper: #ffffff;
  --canvas: #e5e5e5;
  --mist: #f3f3f3;
  --ash: #c6c6c6;
  --smoke: #979797;
  --slate: #444444;
  --graphite: #2f2f2f;
  --mint: #d1ffca;
  --volt: #fff100;
  --danger: #c4321a;
  /* alias que usan las herramientas */
  --bg: var(--canvas);
  --surface: var(--paper);
  --surface-2: var(--mist);
  --muted: var(--slate);
  --line: var(--ash);
  --brand: var(--ink);
  --brand-strong: var(--ink);
  --brand-soft: var(--mint);
  --accent: var(--volt);
  --display: "Tuulo Display", "Barlow Condensed", "Arial Narrow", sans-serif;
  --sans: "Tuulo Sans", Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "Tuulo Mono", "JetBrains Mono", ui-monospace, Consolas, monospace;
  --r-card: 28px;
  --r-big: 48px;
  --r-btn: 8px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--canvas); color: var(--ink);
  font: 450 16px/1.4 var(--sans); letter-spacing: -0.011em; -webkit-font-smoothing: antialiased;
}
a { color: var(--ink); }
img, svg { display: block; }
p { margin: 0 0 1em; }
h1, h2, h3 { margin: 0 0 .5em; font-weight: 700; }
h1, .display-md {
  font-family: var(--display); text-transform: uppercase; line-height: .92; letter-spacing: -0.03em; font-weight: 700;
}
h1 { font-size: clamp(64px, 12.5vw, 136px); }
.display-md { font-size: clamp(48px, 7vw, 80px); }
h2 { font: 500 clamp(26px, 3.4vw, 40px)/1.1 var(--sans); text-transform: uppercase; letter-spacing: -0.02em; }
h3 { font: 500 20px/1.2 var(--sans); text-transform: uppercase; letter-spacing: -0.02em; }
.mono { font: 400 12px/1.4 var(--mono); letter-spacing: -0.03em; text-transform: uppercase; }
.muted { color: var(--slate); }
.lead { font-size: clamp(18px, 2vw, 20px); line-height: 1.3; color: var(--slate); max-width: 34em; }
.wrap { max-width: 1232px; margin: 0 auto; padding: 0 16px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 12px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 4px; }

.tag {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 64px;
  background: var(--mint); color: var(--ink); font: 400 12px/1.3 var(--mono); letter-spacing: -0.03em; text-transform: uppercase;
}
.tag svg { width: 16px; height: 16px; }
.tag-soon { background: var(--mist); color: var(--slate); }
.tag-soon::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--volt); box-shadow: 0 0 0 1px var(--ink); }
/* El resaltado ocupa solo la altura de las mayúsculas para no pisar las líneas vecinas (interlineado 0,9). */
.hl { background: linear-gradient(var(--mint), var(--mint)) 0 52% / 100% .74em no-repeat; padding: 0 .05em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 24px;
  font: 500 16px/1 var(--sans); letter-spacing: -0.01em; border-radius: var(--r-btn); border: 0; cursor: pointer;
  background: var(--ink); color: var(--paper); text-decoration: none;
}
.btn svg { width: 18px; height: 18px; }
.btn:hover { background: var(--graphite); }
.btn.ghost { background: transparent; color: var(--slate); border: 1.5px solid var(--slate); border-radius: 4px; }
.btn.ghost:hover { color: var(--ink); border-color: var(--ink); }
.btn-light { background: var(--paper); color: var(--ink); }
.btn-light:hover { background: var(--mint); }
.btn:disabled { opacity: .45; cursor: not-allowed; }

/* Cabecera: barra alta con pastillas blancas */
.top-in { display: flex; align-items: center; gap: 16px; height: 128px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand svg { width: 36px; height: 36px; }
.brand span { font: 700 34px/1 var(--display); text-transform: uppercase; letter-spacing: -0.02em; }
.pill { display: flex; align-items: center; background: var(--paper); border-radius: 48px; padding: 6px; }
.nav { margin: 0 auto; gap: 4px; }
.nav a { color: var(--slate); text-decoration: none; font-weight: 500; padding: 10px 18px; border-radius: 48px; }
.nav a:hover { color: var(--ink); background: var(--mist); }
.langs a { color: var(--slate); text-decoration: none; font: 400 12px/1 var(--mono); padding: 10px 12px; border-radius: 48px; }
.langs a[aria-current] { background: var(--ink); color: var(--paper); }
@media (max-width: 720px) {
  .top-in { height: 84px; }
  .nav { display: none; }
  .langs { margin-left: auto; }
  .brand span { font-size: 28px; }
}

/* Portada */
.hero { padding: 16px 0 64px; }
.hero-in { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(300px, 1fr); gap: 24px; align-items: stretch; }
.kicker { color: var(--slate); margin-bottom: 24px; }
.hero h1 { margin-bottom: 24px; }
.search { position: relative; display: block; max-width: 560px; margin: 32px 0 16px; }
.search svg { position: absolute; left: 20px; top: 50%; translate: 0 -50%; pointer-events: none; }
.search input {
  width: 100%; height: 60px; padding: 0 20px 0 54px; font: 450 17px var(--sans); color: var(--ink);
  background: var(--paper); border: 1.5px solid transparent; border-radius: 48px;
}
.search input::placeholder { color: var(--smoke); }
.search input:focus { outline: none; border-color: var(--ink); }
.trust { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }

.feat {
  display: flex; flex-direction: column; gap: 16px; padding: 32px; border-radius: var(--r-card);
  background: var(--ink); color: var(--paper); text-decoration: none; min-height: 420px;
}
.feat-top { display: flex; justify-content: space-between; align-items: center; color: var(--smoke); }
.feat-ico { display: grid; place-items: center; width: 64px; height: 64px; border-radius: 20px; background: var(--graphite); margin-top: auto; }
.feat-ico svg { width: 30px; height: 30px; }
.feat-name { font: 700 clamp(48px, 5.5vw, 72px)/.9 var(--display); text-transform: uppercase; letter-spacing: -0.03em; }
.feat-desc { color: var(--smoke); font-size: 18px; line-height: 1.33; }
.feat-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.feat-count { color: var(--smoke); }
a.feat:hover .btn-light { background: var(--mint); }
@media (max-width: 900px) {
  .hero-in { grid-template-columns: 1fr; }
  .feat { min-height: 0; }
  .feat-ico { margin-top: 8px; }
}

.tools { padding-top: 16px; padding-bottom: 80px; }
.tools-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 8px 24px; margin-bottom: 8px; }
.tools-head h2 { margin: 0; }
.tools-head p { margin: 0 0 8px; color: var(--slate); }
.chips { display: flex; gap: 8px; overflow-x: auto; padding: 16px 0 24px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: none; font: 500 14px/1 var(--sans); color: var(--slate); background: var(--paper);
  border: 0; border-radius: 48px; padding: 12px 18px; cursor: pointer;
}
.chip:hover { color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(268px, 1fr)); gap: 16px; }
.card {
  display: flex; flex-direction: column; gap: 16px; padding: 24px; min-height: 260px;
  background: var(--paper); border-radius: var(--r-card); color: var(--ink); text-decoration: none;
  transition: background .15s ease;
}
a.card:hover { background: var(--mint); }
a.card:hover .tag { background: var(--paper); }
.card-head { display: flex; justify-content: space-between; align-items: center; color: var(--smoke); }
.ico { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 16px; background: var(--mist); color: var(--ink); }
.card-txt { display: flex; flex-direction: column; gap: 8px; margin-top: auto; }
.card-txt strong { font: 500 22px/1.1 var(--sans); text-transform: uppercase; letter-spacing: -0.02em; }
.card-txt span { color: var(--slate); font-size: 14.5px; line-height: 1.35; }
.card .go { display: inline-flex; align-items: center; gap: 8px; font-weight: 500; font-size: 15px; text-decoration: underline; text-underline-offset: 3px; }
.card .go svg { width: 16px; height: 16px; }
.card.soon { background: var(--mist); }
.card.soon .ico { background: var(--paper); color: var(--smoke); }
.card.soon .card-txt strong { color: var(--slate); }
.card.soon .card-txt span { color: var(--smoke); }
.card[hidden] { display: none; }
.empty { color: var(--slate); padding: 24px 0; }

/* Bloque negro "Cómo funciona" */
.how { padding-bottom: 80px; }
.invert { background: var(--ink); color: var(--paper); border-radius: var(--r-card); padding: clamp(32px, 6vw, 64px); }
.invert h2 { margin-bottom: 48px; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 40px 24px; }
.steps li { border-top: 1px solid var(--graphite); padding-top: 24px; }
.steps .mono { display: block; color: var(--volt); margin-bottom: 24px; }
.steps h3 { font-size: 28px; margin-bottom: 12px; }
.steps p { color: var(--smoke); margin: 0; }

/* Herramienta */
.tool-hero { padding-top: 16px; padding-bottom: 24px; }
.tool-hero h1 { font-size: clamp(56px, 9vw, 112px); margin-bottom: 20px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; color: var(--smoke); margin-bottom: 24px; }
.crumbs a { color: var(--slate); text-decoration: none; }
.crumbs a:hover { color: var(--ink); text-decoration: underline; }
.local { text-transform: none; font-size: 13px; padding: 8px 14px; }
.tool { padding-bottom: 40px; }
.panel { background: var(--paper); border-radius: 32px; padding: clamp(16px, 3vw, 32px); }
.more { padding-top: 40px; padding-bottom: 40px; }
.more h2 { margin-bottom: 24px; }

/* Texto largo */
.prose { padding-top: 40px; padding-bottom: 40px; }
.prose > * { max-width: 760px; }
.prose ol, .prose ul { padding-left: 1.3em; }
.prose li { margin: .5em 0; line-height: 1.45; }
.prose h2 { margin-top: 1.6em; }
.page { padding-top: 24px; padding-bottom: 80px; }
.page h1 { font-size: clamp(56px, 9vw, 112px); }
.faq details { background: var(--paper); border-radius: 24px; padding: 20px 24px; margin-bottom: 8px; }
.faq summary { cursor: pointer; font-weight: 500; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 20px/1 var(--mono); }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 12px 0 0; color: var(--slate); }
.notfound h1 { font-size: 160px; }

/* Anuncios: hueco reservado para que la página no salte al cargar */
.ad { display: flex; justify-content: center; align-items: center; min-height: 60px; margin: 24px 0; overflow: hidden; }
.ad-top { min-height: 60px; }
@media (min-width: 772px) { .ad-top { min-height: 100px; } }
.ad-box { min-height: 260px; }
.ad-native { display: block; min-height: 0; }

/* Pie: banda negra con el borde superior curvo */
.foot { background: var(--ink); color: var(--paper); border-radius: 64px 64px 0 0; padding: 64px 0 40px; margin-top: 40px; }
.foot-in { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: start; }
.foot-big { font: 700 clamp(48px, 7vw, 88px)/.9 var(--display); text-transform: uppercase; letter-spacing: -0.03em; margin: 0; max-width: 9em; }
.foot-nav { display: flex; flex-direction: column; gap: 12px; }
.foot-nav a { color: var(--paper); text-decoration: none; font-weight: 500; }
.foot-nav a:hover { text-decoration: underline; }
.foot-copy { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; color: var(--smoke); margin: 0; padding-top: 24px; border-top: 1px solid var(--graphite); }
@media (max-width: 600px) {
  .foot { border-radius: 40px 40px 0 0; }
  .foot-in { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}