/* ============================================================
   JOÃO BOIADEIRO — DESIGN TOKENS
   Direção: Western Raiz (Rye + Oswald + Inter)
   Versão: 0.1 — 2026-04-28
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Oswald:wght@500;600;700&family=Rye&display=swap');

:root {
  /* ---------- Cores ---------- */
  --jb-bg:           #0a0a0a;   /* fundo principal */
  --jb-bg-surface:   #141413;   /* seções alternadas */
  --jb-bg-elev:      #1c1c1a;   /* cards elevados */

  --jb-ink:          #e8e7e3;   /* texto principal (marfim) */
  --jb-ink-muted:    #a8a8a3;   /* texto secundário */
  --jb-ink-soft:     #6f6e6a;   /* texto terciário / metadados */

  --jb-gold:         #d4a24c;   /* acento dourado quente */
  --jb-gold-deep:    #a8761e;   /* hover/pressed */
  --jb-gold-soft:    #f0d090;   /* highlight / hover de texto */

  --jb-terracota:    #b85c2e;   /* segundo acento, uso pontual */
  --jb-line:         rgba(232, 231, 227, 0.12);   /* divisores */
  --jb-line-strong:  rgba(232, 231, 227, 0.25);

  /* ---------- Tipografia ---------- */
  --jb-font-display: 'Rye', 'Georgia', serif;
  --jb-font-head:    'Oswald', 'Impact', sans-serif;
  --jb-font-body:    'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Escala (clamp para responsividade) */
  --jb-text-xs:   12px;
  --jb-text-sm:   14px;
  --jb-text-base: 16px;
  --jb-text-lg:   18px;
  --jb-text-xl:   clamp(20px, 2.4vw, 24px);
  --jb-text-2xl:  clamp(28px, 3.5vw, 36px);
  --jb-text-3xl:  clamp(40px, 5vw, 56px);
  --jb-text-4xl:  clamp(56px, 8vw, 96px);
  --jb-text-hero: clamp(64px, 10vw, 132px);

  /* ---------- Espaçamento ---------- */
  --jb-space-1: 4px;
  --jb-space-2: 8px;
  --jb-space-3: 12px;
  --jb-space-4: 16px;
  --jb-space-5: 24px;
  --jb-space-6: 32px;
  --jb-space-7: 48px;
  --jb-space-8: 64px;
  --jb-space-9: 96px;
  --jb-space-10: 128px;

  /* ---------- Forma ---------- */
  --jb-radius-sm: 4px;
  --jb-radius-md: 8px;
  --jb-radius-lg: 12px;
  --jb-radius-xl: 20px;
  --jb-radius-pill: 999px;

  /* ---------- Layout ---------- */
  --jb-container:      1240px;
  --jb-container-narrow: 880px;
  --jb-section-py: var(--jb-space-9);

  /* ---------- Transições ---------- */
  --jb-ease: cubic-bezier(0.2, 0.6, 0.2, 1);
  --jb-fast: 160ms var(--jb-ease);
  --jb-base: 280ms var(--jb-ease);
  --jb-slow: 480ms var(--jb-ease);
}

/* ============================================================
   RESET / BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--jb-bg);
  color: var(--jb-ink);
  font-family: var(--jb-font-body);
  font-size: var(--jb-text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ============================================================
   UTILITÁRIOS DE TIPOGRAFIA
   ============================================================ */
.jb-display {
  font-family: var(--jb-font-display);
  font-weight: 400;
  letter-spacing: 0.01em;
}
.jb-heading {
  font-family: var(--jb-font-head);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1.05;
}
.jb-eyebrow {
  font-family: var(--jb-font-body);
  font-weight: 500;
  font-size: var(--jb-text-xs);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--jb-gold);
}
.jb-text-gold { color: var(--jb-gold); }
.jb-text-muted { color: var(--jb-ink-muted); }

/* ============================================================
   COMPONENTES BÁSICOS
   ============================================================ */
.jb-container {
  max-width: var(--jb-container);
  margin: 0 auto;
  padding-left: var(--jb-space-5);
  padding-right: var(--jb-space-5);
}
.jb-section {
  padding-top: var(--jb-section-py);
  padding-bottom: var(--jb-section-py);
}
.jb-section--surface { background: var(--jb-bg-surface); }

.jb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--jb-space-3);
  padding: 14px 28px;
  border-radius: var(--jb-radius-md);
  border: 1px solid var(--jb-gold);
  background: transparent;
  color: var(--jb-gold);
  font-family: var(--jb-font-body);
  font-weight: 500;
  font-size: var(--jb-text-sm);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: background var(--jb-fast), color var(--jb-fast), border-color var(--jb-fast), transform var(--jb-fast);
}
.jb-btn:hover { background: var(--jb-gold); color: var(--jb-bg); transform: translateY(-1px); }
.jb-btn:active { transform: translateY(0); }
.jb-btn--solid { background: var(--jb-gold); color: var(--jb-bg); }
.jb-btn--solid:hover { background: var(--jb-gold-soft); border-color: var(--jb-gold-soft); }
.jb-btn--ghost { border-color: var(--jb-line-strong); color: var(--jb-ink); }
.jb-btn--ghost:hover { background: var(--jb-ink); color: var(--jb-bg); border-color: var(--jb-ink); }

.jb-card {
  background: var(--jb-bg-elev);
  border: 1px solid var(--jb-line);
  border-radius: var(--jb-radius-lg);
  padding: var(--jb-space-6);
  transition: border-color var(--jb-base), transform var(--jb-base);
}
.jb-card:hover { border-color: var(--jb-line-strong); transform: translateY(-2px); }

/* ============================================================
   ACESSIBILIDADE
   ============================================================ */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
:focus-visible { outline: 2px solid var(--jb-gold); outline-offset: 3px; border-radius: 4px; }

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