/* ==========================================================================
   MindGauge — Design Tokens
   Conceito: instrumento de medição / blueprint técnico.
   Cada teste "mede" algo sobre você — a identidade visual reforça isso
   com grade de papel milimetrado, anotações em mono, e o medidor (gauge)
   como elemento de assinatura.
   ========================================================================== */

:root {
  /* Cor */
  --color-bg: #f7f8fa;
  --color-grid: #e2e6ed;
  --color-ink: #131b2e;
  --color-ink-soft: #4a5468;
  --color-navy: #1f2d50;
  --color-navy-soft: #2c3e66;
  --color-accent: #ff5a36;
  --color-accent-soft: #ffe4db;
  --color-accent-2: #1fb6a6;
  --color-line: #c7cedb;
  --color-card: #ffffff;

  /* Tipografia */
  --font-display: "Space Grotesk", "Arial Narrow", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  /* Escala */
  --radius: 10px;
  --radius-sm: 6px;
  --max-width: 1140px;
  --gap: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--color-navy); text-decoration: none; }
a:hover { color: var(--color-accent); }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--color-navy);
  line-height: 1.15;
  margin: 0 0 .5em;
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1.1em; color: var(--color-ink-soft); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 10px;
}
.eyebrow::before {
  content: "";
  width: 18px; height: 1px;
  background: var(--color-accent);
}

/* ----------------------------- Header / Nav ------------------------------ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247,248,250,.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.logo {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-display);
  font-weight: 600; font-size: 1.15rem;
  color: var(--color-navy);
}
.logo .dial { width: 22px; height: 22px; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-size: .92rem; color: var(--color-ink);
  font-weight: 500;
}
.nav-toggle { display: none; }

@media (max-width: 760px) {
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: flex-start;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-line);
    padding: 16px 24px 24px;
    gap: 14px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle {
    display: inline-flex; background: none; border: 1px solid var(--color-line);
    border-radius: var(--radius-sm); padding: 8px 10px; cursor: pointer;
  }
}

/* -------------------------------- Hero ----------------------------------- */
.hero {
  padding: 64px 0 48px;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: var(--gap);
  align-items: center;
}
@media (max-width: 820px) { .hero { grid-template-columns: 1fr; } }

.hero .specs {
  display: flex; gap: 18px; flex-wrap: wrap; margin-top: 18px;
  font-family: var(--font-mono); font-size: .8rem; color: var(--color-ink-soft);
}
.hero .specs span { white-space: nowrap; }
.hero .specs b { color: var(--color-navy); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--color-accent); color: #fff;
  font-weight: 600; font-size: .95rem;
  padding: 12px 22px; border-radius: var(--radius-sm);
  border: none; cursor: pointer;
}
.btn:hover { background: #e64a26; color: #fff; }
.btn.ghost {
  background: transparent; color: var(--color-navy);
  border: 1px solid var(--color-line);
}
.btn.ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* Gauge SVG (elemento de assinatura) */
.gauge-card {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
}
.gauge-card::before {
  content: "FIG. 01 — RESULT READOUT";
  position: absolute; top: -11px; left: 18px;
  background: var(--color-bg);
  padding: 0 8px;
  font-family: var(--font-mono); font-size: .65rem;
  letter-spacing: .08em; color: var(--color-ink-soft);
}
.gauge-svg { width: 100%; height: auto; }
.gauge-needle { transform-origin: 150px 150px; transition: transform 1.1s cubic-bezier(.2,.8,.2,1); }
.gauge-value {
  font-family: var(--font-mono); font-size: 2.4rem; font-weight: 600;
  fill: var(--color-navy);
}
.gauge-label { font-family: var(--font-mono); font-size: .72rem; fill: var(--color-ink-soft); letter-spacing: .06em; }

/* ----------------------------- Section / Cards --------------------------- */
.section { padding: 40px 0; }
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 22px; flex-wrap: wrap; gap: 10px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 18px;
}

.test-card {
  position: relative;
  background: var(--color-card);
  border: 1px dashed var(--color-line);
  border-radius: var(--radius);
  padding: 20px 18px 18px;
  transition: border-color .15s, transform .15s;
}
.test-card:hover { border-color: var(--color-accent); transform: translateY(-2px); }
.test-card .corner {
  position: absolute; width: 8px; height: 8px;
  border-top: 1px solid var(--color-ink-soft);
  border-left: 1px solid var(--color-ink-soft);
  top: 6px; left: 6px; opacity: .35;
}
.test-card h3 { margin-bottom: 6px; font-size: 1.05rem; }
.test-card p { font-size: .9rem; margin-bottom: 14px; }
.meta-row {
  display: flex; gap: 12px; align-items: center;
  font-family: var(--font-mono); font-size: .72rem; color: var(--color-ink-soft);
}
.meta-row .tag {
  border: 1px solid var(--color-line); border-radius: 999px;
  padding: 2px 9px;
}
.test-card.soon { opacity: .55; }
.test-card.soon .meta-row .tag.soon-tag {
  border-color: var(--color-accent); color: var(--color-accent);
}

/* ------------------------------- Tool box --------------------------------- */
.tool-box {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 32px;
  margin: 28px 0;
  text-align: center;
}
.tool-stage {
  min-height: 220px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 16px;
}
.tool-readout {
  font-family: var(--font-mono); font-size: 3rem; color: var(--color-navy);
}
.tool-instructions { font-family: var(--font-mono); font-size: .85rem; color: var(--color-ink-soft); }

.target-zone {
  width: 100%; max-width: 420px; height: 200px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 1.3rem; color: #fff;
  cursor: pointer; user-select: none;
  background: var(--color-navy);
  transition: background .08s;
}
.target-zone.ready { background: var(--color-navy); }
.target-zone.go { background: var(--color-accent-2); }
.target-zone.early { background: var(--color-accent); }

.typing-area textarea {
  width: 100%; min-height: 120px;
  font-family: var(--font-mono); font-size: 1rem;
  padding: 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--color-line);
  resize: vertical;
}
.prompt-text {
  font-family: var(--font-mono); font-size: 1rem;
  background: var(--color-bg);
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-sm);
  padding: 14px; margin-bottom: 14px; text-align: left;
}
.prompt-text .ok { color: var(--color-accent-2); }
.prompt-text .bad { color: var(--color-accent); text-decoration: underline; }
.prompt-text .pending { opacity: .4; }

/* -------------------------------- Article --------------------------------- */
.article {
  max-width: 760px; margin: 0 auto;
}
.article h2 { margin-top: 1.6em; }
.faq-item { border-bottom: 1px solid var(--color-line); padding: 16px 0; }
.faq-item h3 { margin-bottom: 6px; font-size: 1rem; }
.faq-item p { margin: 0; }

.callout {
  border-left: 3px solid var(--color-accent);
  background: var(--color-accent-soft);
  padding: 14px 18px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: .92rem; color: var(--color-ink);
}

/* -------------------------------- Footer ---------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding: 40px 0 60px;
  margin-top: 40px;
  font-size: .88rem; color: var(--color-ink-soft);
}
.footer-grid {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px;
}
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-links a { color: var(--color-ink-soft); }
.footer-links a:hover { color: var(--color-accent); }

/* ----------------------------- Cookie banner ------------------------------ */
.cookie-banner {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 100;
  background: var(--color-navy); color: #fff;
  padding: 16px 24px;
  display: none;
}
.cookie-banner.show { display: block; }
.cookie-banner .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; flex-wrap: wrap;
}
.cookie-banner p { color: #d7dcec; margin: 0; font-size: .85rem; max-width: 640px; }
.cookie-banner .actions { display: flex; gap: 10px; }
.cookie-banner .btn.ghost { color: #fff; border-color: rgba(255,255,255,.35); }

/* ------------------------------- Quiz engine ------------------------------ */
.quiz-progress {
  font-family: var(--font-mono); font-size: .75rem; color: var(--color-ink-soft);
  letter-spacing: .06em; margin-bottom: 10px;
}
.quiz-question { font-size: 1.3rem; margin-bottom: 18px; }
.quiz-options {
  display: flex; flex-direction: column; gap: 10px; max-width: 480px; margin: 0 auto;
}
.quiz-option {
  font-family: var(--font-body); font-size: .98rem; text-align: left;
  background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-sm);
  padding: 13px 16px; cursor: pointer; transition: border-color .12s, background .12s;
}
.quiz-option:hover { border-color: var(--color-accent); background: var(--color-accent-soft); }

.result-bars { max-width: 480px; margin: 18px auto 0; text-align: left; }
.bar-row { margin-bottom: 12px; }
.bar-row .bar-label {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono); font-size: .78rem; color: var(--color-ink-soft); margin-bottom: 4px;
}
.bar-track { height: 8px; background: var(--color-grid); border-radius: 999px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--color-accent); border-radius: 999px; transition: width .8s ease; }
.bar-row.top .bar-fill { background: var(--color-accent-2); }

.result-headline {
  font-family: var(--font-display); font-size: 1.6rem; color: var(--color-navy);
  margin: 4px 0 6px;
}

/* -------------------------------- Memory game ------------------------------ */
.memory-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
  max-width: 320px; margin: 0 auto;
}
.memory-pad {
  height: 120px; border-radius: var(--radius);
  border: none; cursor: pointer;
  background: var(--color-navy-soft);
  transition: background .1s, transform .1s;
}
.memory-pad.lit { background: var(--color-accent-2); transform: scale(0.97); }
.memory-pad:disabled { cursor: default; }

/* ------------------------------- Ad placeholder ---------------------------- */
.ad-slot {
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-sm);
  background: repeating-linear-gradient(45deg, #fff, #fff 10px, #f1f3f7 10px, #f1f3f7 20px);
  color: var(--color-ink-soft);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .05em;
  margin: 28px auto; text-align: center; padding: 10px;
}
.ad-slot.leaderboard { max-width: 728px; min-height: 90px; }
.ad-slot.banner { max-width: 320px; min-height: 100px; }
.ad-slot.in-article { max-width: 680px; min-height: 110px; }

/* ----------------------------- Legal pages -------------------------------- */
.legal { max-width: 760px; margin: 0 auto; }
.legal h2 { margin-top: 1.6em; font-size: 1.25rem; }
.legal small { font-family: var(--font-mono); color: var(--color-ink-soft); }