/* ===== Tokens ===== */
/* Concepto: cabecera con curvas de nivel + herramienta en dos columnas (formulario | resultado) */
:root {
  --bg: #F1F4F1;
  --surface: #FFFFFF;
  --ink: #13201B;
  --muted: #56665F;
  --line: #D3DCD7;
  --accent: #E8501A;
  --accent-ink: #FFFFFF;
  --accent-soft: #FDE7DD;
  --sea: #2463A8;
  --sea-soft: #E1ECF8;
  --contour: #C9D5CF;
  --display: "Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --body: "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0E1613;
    --surface: #16211D;
    --ink: #E4EDE8;
    --muted: #94A49D;
    --line: #2A3934;
    --accent: #FF6A33;
    --accent-ink: #1A0B04;
    --accent-soft: #3A1E12;
    --sea: #6EA6E6;
    --sea-soft: #15283D;
    --contour: #22302B;
    color-scheme: dark;
  }
}

/* ===== Base ===== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--body); font-size: 16px; line-height: 1.55; }
.container { max-width: 1080px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
a { color: var(--accent); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ===== Masthead ===== */
.mast { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.contours { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.contours path { fill: none; stroke: var(--contour); stroke-width: 1.2; }
.mast-inner { position: relative; padding-block: 18px 26px; }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { font-family: var(--display); font-weight: 800; font-size: 20px; letter-spacing: .06em; text-transform: uppercase; display: flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; }
.brand i { display: inline-block; width: 10px; height: 10px; background: var(--accent); transform: rotate(45deg); }
.header-link { font-size: 14px; font-weight: 700; text-decoration: none; }
h1 { font-family: var(--display); font-weight: 800; font-size: clamp(38px, 7vw, 68px); line-height: .95; margin: 22px 0 10px; text-wrap: balance; max-width: 16ch; }
.subtitle { color: var(--muted); max-width: 58ch; margin: 0; }

/* ===== Tool ===== */
.hero { padding-block: 24px 4px; }
.tool-card { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 28px; }
@media (max-width: 820px) { .tool-card { grid-template-columns: minmax(0, 1fr); } }
.calc { display: flex; flex-direction: column; gap: 22px; }
fieldset { border: 0; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
legend { font-family: var(--display); font-weight: 600; font-size: 15px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); padding: 0; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
legend b { font-weight: 800; color: var(--accent); font-size: 17px; }
.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.field label { font-weight: 700; font-size: 14px; }
select, input[type=number] { font: inherit; color: var(--ink); background: var(--surface); border: 1.5px solid var(--line); border-radius: 8px; padding: 10px 12px; width: 100%; min-width: 0; }
select:focus, input[type=number]:focus { border-color: var(--accent); outline: none; }
.time { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.time .field label { font-weight: 400; color: var(--muted); font-size: 12px; }
.time input { font-family: var(--display); font-weight: 600; font-size: 22px; text-align: center; padding: 6px 4px; font-variant-numeric: tabular-nums; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; }
.check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--accent); flex: none; }

/* ===== States ===== */
.result-panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; min-width: 0; align-self: start; }
.result, .error { display: none; }
.tool-card[data-state="done"] .result { display: flex; }
.tool-card[data-state="error"] .error { display: block; }
.error { margin: 0; padding: 12px 14px; border-radius: 10px; background: var(--accent-soft); font-weight: 700; }
.noscript { grid-column: 1 / -1; margin: 0; padding: 12px; background: var(--accent-soft); border-radius: 10px; }

/* ===== Result ===== */
.result { flex-direction: column; gap: 18px; }
.result p { margin: 0; }
.eyebrow { font-family: var(--display); font-weight: 600; font-size: 14px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px !important; }
.result-time { font-family: var(--display); font-weight: 800; font-size: clamp(56px, 11vw, 92px); line-height: .9; font-variant-numeric: tabular-nums; }
.result-where { color: var(--muted); font-size: 14px; margin-top: 6px !important; }
.badge { display: inline-block; font-weight: 700; font-size: 14px; padding: 6px 12px; border-radius: 999px; background: var(--accent-soft); }
.badge.faster { background: var(--sea-soft); }
.stats { margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; border-top: 1px solid var(--line); padding-top: 14px; }
@media (max-width: 420px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.stats dt { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.stats dd { margin: 0; font-family: var(--display); font-weight: 800; font-size: 28px; font-variant-numeric: tabular-nums; line-height: 1.1; }

.chart { width: 100%; height: auto; display: block; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .axis { fill: var(--muted); font-size: 11px; font-family: var(--body); }
.chart .curve { fill: none; stroke: var(--ink); stroke-width: 2; }
.chart .area { fill: var(--accent); opacity: .08; }
.chart .home { fill: var(--sea); }
.chart .race { fill: var(--accent); }
.chart .lbl { font-size: 11px; font-weight: 700; font-family: var(--body); }
.chart .lbl.h { fill: var(--sea); }
.chart .lbl.r { fill: var(--accent); }

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; font-size: 14px; }
th { text-align: left; font-weight: 700; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; border-bottom: 1px solid var(--line); padding: 6px 8px; }
td { padding: 6px 8px; border-bottom: 1px solid var(--line); }
td:not(:first-child), th:not(:first-child) { text-align: right; }
.result-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.btn-primary { font: inherit; font-weight: 700; cursor: pointer; border-radius: 8px; padding: 10px 16px; border: 1.5px solid var(--ink); background: var(--ink); color: var(--bg); }
.btn-ghost { font: inherit; font-weight: 700; cursor: pointer; border-radius: 8px; padding: 10px 16px; border: 1.5px solid var(--ink); background: transparent; color: var(--ink); }
.copy-note { font-size: 13px; color: var(--muted); flex-basis: 100%; }
.search { font: inherit; font-size: 14px; color: var(--ink); background: var(--bg); border: 1.5px dashed var(--line); border-radius: 8px; padding: 8px 12px; width: 100%; min-width: 0; }
.search:focus { border-style: solid; border-color: var(--accent); outline: none; }

.privacy { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; color: var(--muted); margin: 16px 0 0; }
.privacy svg { flex: none; margin-top: 3px; color: var(--accent); }

/* ===== Ads (placeholders) ===== */
.ad-slot { min-height: 100px; margin-block: 24px; border: 1.5px dashed var(--line); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.ad-in-content { min-height: 250px; }

/* ===== Content ===== */
.content { padding-bottom: 40px; }
.content h2 { font-family: var(--display); font-weight: 800; font-size: 32px; line-height: 1.05; margin: 32px 0 10px; text-wrap: balance; }
.content p { max-width: 68ch; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 640px) { .steps { grid-template-columns: minmax(0, 1fr); } }
.steps li { display: grid; gap: 4px; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.steps svg { color: var(--accent); }
.steps span { color: var(--muted); font-size: 14px; }
.faq { display: grid; gap: 8px; }
.faq details { border: 1px solid var(--line); border-radius: 10px; background: var(--surface); padding: 12px 16px; }
.faq summary { cursor: pointer; font-weight: 700; }
.faq p { margin: 8px 0 0; color: var(--muted); }
.more { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 640px) { .more { grid-template-columns: minmax(0, 1fr); } }
.more-card { display: grid; gap: 4px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.more-card > span:last-child { font-size: 14px; color: var(--muted); }
.soon { font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }

/* ===== Footer ===== */
.site-footer { border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-block: 18px 28px; }
.footer-row nav { display: flex; gap: 16px; }

/* ===== Legal pages ===== */
.site-header { border-bottom: 1px solid var(--line); }
.site-header .header-row { padding-block: 14px; }
.logo { text-decoration: none; font-weight: 700; }
.legal { padding-block: 32px 48px; max-width: 720px; }
.legal h1 { margin-bottom: 16px; }
.todo { background: var(--accent-soft); padding: 2px 6px; border-radius: 4px; font-weight: 700; }
.legal h2 { font-family: var(--display); font-weight: 800; font-size: 26px; margin: 28px 0 8px; }
.legal p { max-width: 68ch; }