/* ==========================================================================
   Folon - site styles
   Layout: one reading column (max 1080px) with a 20px gutter at every width.
   Every colour comes from a token below; no component uses a literal colour,
   so both themes stay consistent.
   ========================================================================== */

:root {
  --bg: #F6F8F7;
  --surface: #FFFFFF;
  --surface-2: #EEF2F0;
  --fg: #141D19;
  --muted: #5B6A64;
  --line: #DBE2DE;
  --accent: #1C6A58;
  --accent-soft: #E4EFEB;
  --pass: #2C7A58;
  --fail: #AC3D2D;
  --focus: #1C6A58;

  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;

  --gutter: 20px;
  --maxw: 1080px;
  --radius: 3px;

  color-scheme: light;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0E1512; --surface: #151E1A; --surface-2: #1B2521;
    --fg: #E7EEEA; --muted: #97A6A0; --line: #25302B;
    --accent: #6FCFAF; --accent-soft: #16241F;
    --pass: #6FCFAF; --fail: #E4866E; --focus: #6FCFAF;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0E1512; --surface: #151E1A; --surface-2: #1B2521;
  --fg: #E7EEEA; --muted: #97A6A0; --line: #25302B;
  --accent: #6FCFAF; --accent-soft: #16241F;
  --pass: #6FCFAF; --fail: #E4866E; --focus: #6FCFAF;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; }
[hidden] { display: none !important; }

h1, h2, h3, h4 {
  font-family: var(--display);
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

p, ul, ol { margin: 0; }
a { color: inherit; }

:where(a, button, input, select, textarea, summary):focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 2px;
}

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

.skip { position: absolute; left: -9999px; top: 0; background: var(--accent); color: var(--bg); padding: 10px 16px; z-index: 100; }
.skip:focus { left: 0; }

.eyebrow { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }

.icon { width: 20px; height: 20px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.icon-sm { width: 16px; height: 16px; }

/* ---------- header ---------- */

.bar { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 30; background: var(--bg); border-bottom: 1px solid var(--line); }
.bar-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 13px; }

.mark { display: inline-flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; font-size: 1.12rem; letter-spacing: -0.02em; text-decoration: none; color: var(--fg); }
.mark .logo { width: 19px; height: 19px; flex: none; color: var(--fg); }

.nav { display: none; align-items: center; gap: 22px; }
@media (min-width: 820px) { .nav { display: flex; } }

.nav a { font-size: 0.9rem; color: var(--muted); text-decoration: none; border-bottom: 1px solid transparent; padding-bottom: 2px; }
.nav a:hover { color: var(--fg); border-bottom-color: var(--accent); }

/* ---------- buttons ---------- */

.btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--body); font-size: 0.93rem; font-weight: 600; text-decoration: none; border-radius: var(--radius); padding: 10px 16px; border: 1px solid transparent; cursor: pointer; transition: background-color 0.15s ease, border-color 0.15s ease; }
.btn-primary { background: var(--accent); color: var(--bg); }
.btn-primary:hover { background: var(--fg); }
.btn-quiet { background: var(--surface); color: var(--fg); border-color: var(--line); }
.btn-quiet:hover { border-color: var(--accent); }

/* ---------- hero ---------- */

.hero { padding-block: 58px 50px; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 42px; align-items: start; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 54px; } }

.hero-copy { min-width: 0; display: flex; flex-direction: column; gap: 20px; }
h1 { font-size: clamp(2.05rem, 6vw, 3.25rem); font-weight: 700; }
.lede { font-size: clamp(1.02rem, 2.3vw, 1.14rem); color: var(--muted); max-width: 56ch; }
.lede strong { color: var(--fg); font-weight: 600; }

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }

.mailbox { display: inline-flex; align-items: center; gap: 10px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 9px 8px 13px; min-width: 0; }
.mailbox code { font-family: var(--mono); font-size: 0.88rem; user-select: all; overflow-wrap: anywhere; }

.copy { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); border: 1px solid transparent; border-radius: 2px; padding: 5px 9px; cursor: pointer; flex: none; }
.copy:hover { border-color: var(--accent); }

/* ---------- evaluation panel ---------- */

.panel { min-width: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.panel-head { display: flex; flex-wrap: wrap; gap: 6px 14px; padding: 12px 15px; border-bottom: 1px solid var(--line); background: var(--surface-2); font-family: var(--mono); font-size: 0.71rem; color: var(--muted); }
.panel-head b { color: var(--fg); font-weight: 500; }

.turns { padding: 15px; display: flex; flex-direction: column; gap: 12px; }
.turn { display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 12px; }
@media (max-width: 430px) { .turn { grid-template-columns: 1fr; gap: 3px; } }

.who { font-family: var(--mono); font-size: 0.67rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); padding-top: 3px; }
.said { min-width: 0; }
.native { font-size: 1rem; line-height: 1.8; overflow-wrap: anywhere; }
.roman { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); margin-top: 2px; overflow-wrap: anywhere; }

.rules { border-top: 1px solid var(--line); padding: 5px 15px 15px; }
.rule { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; padding-block: 9px; border-bottom: 1px solid var(--line); font-size: 0.91rem; }
.rule:last-of-type { border-bottom: 0; }

.verdict { font-family: var(--mono); font-size: 0.67rem; letter-spacing: 0.1em; text-transform: uppercase; flex: none; }
.verdict.pass { color: var(--pass); }
.verdict.fail { color: var(--fail); }

.why { margin-top: 10px; border-left: 2px solid var(--fail); padding: 2px 0 2px 12px; font-size: 0.85rem; color: var(--muted); }
.why b { color: var(--fg); font-weight: 600; }

.total { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 12px 15px; border-top: 1px solid var(--line); background: var(--surface-2); }
.total .label { font-family: var(--mono); font-size: 0.69rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.total .num { font-family: var(--display); font-weight: 700; font-size: 1.45rem; font-variant-numeric: tabular-nums; }
.total .den { font-size: 0.88rem; font-weight: 500; color: var(--muted); }

.caption { font-family: var(--mono); font-size: 0.69rem; color: var(--muted); margin-top: 10px; }

/* ---------- sections ---------- */

section { padding-block: 50px; border-top: 1px solid var(--line); }
.sec-head { display: flex; flex-direction: column; gap: 11px; margin-bottom: 28px; max-width: 62ch; }

h2 { font-size: clamp(1.42rem, 3.5vw, 1.9rem); font-weight: 600; }
h3 { font-size: 1.02rem; font-weight: 600; }
.sub { color: var(--muted); }

.cols { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
@media (min-width: 620px) { .cols { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 820px) { .cols.three { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 980px) { .cols.four { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.cell { background: var(--surface); padding: 20px 18px; min-width: 0; display: flex; flex-direction: column; gap: 9px; }
.cell .icon { color: var(--accent); }
.cell p { font-size: 0.91rem; color: var(--muted); }

ol.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
@media (min-width: 820px) { ol.steps { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
ol.steps li { background: var(--surface); padding: 20px 18px; min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.step-n { font-family: var(--mono); font-size: 0.71rem; color: var(--accent); letter-spacing: 0.1em; }
ol.steps p { font-size: 0.91rem; color: var(--muted); }

.rows { display: flex; flex-direction: column; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.row { background: var(--surface); display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 14px; padding: 18px; align-items: start; }
.row .icon { color: var(--accent); margin-top: 2px; }
.row p { font-size: 0.91rem; color: var(--muted); margin-top: 5px; }

.langs { display: flex; flex-wrap: wrap; gap: 8px; }
.lang { font-family: var(--mono); font-size: 0.79rem; border: 1px solid var(--line); background: var(--surface); border-radius: 2px; padding: 6px 11px; }
.lang.lead { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

.note { background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: var(--radius); padding: 21px 19px; display: flex; flex-direction: column; gap: 12px; max-width: 70ch; }
.note p { font-size: 0.95rem; color: var(--muted); }
.note p strong { color: var(--fg); font-weight: 600; }

.faq { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.faq details { border-bottom: 1px solid var(--line); background: var(--surface); }
.faq details:last-child { border-bottom: 0; }
.faq summary { cursor: pointer; padding: 16px 18px; font-weight: 600; font-size: 0.97rem; display: flex; align-items: center; justify-content: space-between; gap: 14px; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .icon { color: var(--muted); transition: transform 0.15s ease; }
.faq details[open] summary .icon { transform: rotate(180deg); }
.faq .answer { padding: 0 18px 17px; font-size: 0.93rem; color: var(--muted); max-width: 70ch; }

/* ---------- form ---------- */

/* A section whose heading and form sit on the centre line. Field labels and
   help text stay left-aligned inside the form, which is easier to fill in. */
.sec-centered .sec-head { align-items: center; text-align: center; margin-inline: auto; }
.sec-centered .form-grid { margin-inline: auto; }
.sec-centered .caption { text-align: center; }
.sec-centered .submit-row { align-items: center; }

.form-grid { display: grid; grid-template-columns: 1fr; gap: 16px; max-width: 680px; }
@media (min-width: 620px) { .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .form-grid .full { grid-column: 1 / -1; } }

.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field label { font-size: 0.86rem; font-weight: 600; }
.field .hint { font-size: 0.79rem; color: var(--muted); font-weight: 400; }

.field input, .field select, .field textarea {
  font-family: var(--body); font-size: 0.95rem; color: var(--fg);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 10px 12px; width: 100%; min-width: 0;
}

.field textarea { resize: vertical; min-height: 110px; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--muted); }

.consent { display: flex; align-items: flex-start; gap: 10px; font-size: 0.86rem; color: var(--muted); }
/* The rule above sizes text inputs to the full column; a checkbox must stay its own size. */
.field input[type="checkbox"] { width: auto; padding: 0; }
.consent input { margin-top: 3px; flex: none; accent-color: var(--accent); }
.consent span { min-width: 0; }
.consent a { color: var(--accent); }

.hp { position: absolute; left: -9999px; }

/* ---------- prose pages ---------- */

.prose { max-width: 70ch; display: flex; flex-direction: column; gap: 17px; padding-block: 46px; }
.prose h1 { font-size: clamp(1.8rem, 5vw, 2.4rem); }
.prose h2 { font-size: 1.22rem; margin-top: 14px; }
.prose p, .prose li { color: var(--muted); font-size: 0.97rem; }
.prose strong { color: var(--fg); font-weight: 600; }
.prose ul { padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }
.prose a { color: var(--accent); }

.meta-line { font-family: var(--mono); font-size: 0.74rem; color: var(--muted); }

.center { min-height: 54vh; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 16px; padding-block: 56px; max-width: 56ch; }

/* ---------- footer ---------- */

.site-foot { border-top: 1px solid var(--line); padding-block: 30px 20px; display: flex; flex-wrap: wrap; gap: 20px 40px; justify-content: space-between; align-items: flex-start; }
.foot-col { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.foot-col .head { font-family: var(--mono); font-size: 0.69rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.foot-col a, .foot-col span { font-size: 0.88rem; color: var(--muted); text-decoration: none; }
.foot-col a:hover { color: var(--fg); }

.foot-note { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); padding-bottom: 36px; }