/* ============================================================
   Fernanda Mascheti — Design Tokens (global.css)
   Extraído do artifact "Sistema de Identidade v01"
   (https://claude.ai/code/artifact/1e1ac895-8201-4791-9dce-32bb46d02f50)
   ============================================================ */

/* ---------- fonts ----------
   Trocar os src abaixo pelos arquivos self-hosted ou pelo link
   do Google Fonts (DM Serif Display, Space Grotesk, Space Mono). */
@font-face {
  font-family: 'DM Serif Display';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/dm-serif-display-regular.woff2') format('woff2');
}
@font-face {
  font-family: 'DM Serif Display';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/dm-serif-display-italic.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/fonts/space-grotesk.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/fonts/space-mono.woff2') format('woff2');
}

/* ---------- color tokens ---------- */
:root {
  --paper: #fdfdfb;
  --paper-raised: #ffffff;
  --ink: #15131f;
  --ink-soft: #4a4757;
  --line: #e4e1de;

  --brand-blue: #0029ff;
  --brand-blue-ink: #ffffff;
  --lime: #b9cc1f;
  --lime-ink: #24280a;
  --pink: #e8447a;
  --pink-ink: #fff0f4;
  --amber: #fe470a;
  --amber-ink: #2a0a00;
  --sky: #9dcff0;
  --sky-ink: #072843;
  --sun: #fef76d;
  --sun-ink: #2a2400;

  --shadow: 220 20% 10%;
  --radius: 3px;

  /* elevação (superfícies levantadas: card hover, toast, dropdown, dialog) */
  --elevation-1: 0 1px 2px hsl(var(--shadow) / 0.06), 0 1px 1px hsl(var(--shadow) / 0.04);
  --elevation-2: 0 8px 20px -4px hsl(var(--shadow) / 0.14), 0 2px 6px -2px hsl(var(--shadow) / 0.08);
  --elevation-3: 0 20px 50px -12px hsl(var(--shadow) / 0.35);

  /* anel de foco compartilhado por botões, inputs e controles */
  --focus-ring: 0 0 0 3px hsl(228 100% 50% / 0.18);

  /* spacing scale (extraída dos paddings/gaps usados no artifact) */
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 14px;
  --space-4: 18px;
  --space-5: 22px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: clamp(20px, 5vw, 56px);   /* padding lateral de página */
  --space-9: clamp(40px, 7vw, 72px);   /* padding vertical de seção */
  --space-10: clamp(50px, 9vw, 96px);  /* padding vertical do hero */

  /* type scale */
  --text-xs: 0.72rem;   /* eyebrow, .theme-toggle, labels mono */
  --text-sm: 0.78rem;   /* .card .tag, notas pequenas */
  --text-sm-alt: 0.82rem; /* .chip, swatch-meta .name */
  --text-base: 0.95rem; /* wordmark */
  --text-md: 1.05rem;   /* corpo padrão / type-sample-body */
  --text-lg: 1.08rem;   /* hero lede */
  --text-h2: clamp(1.5rem, 3vw, 2rem);      /* section-head h2 */
  --text-display-sm: clamp(1.6rem, 3.4vw, 2.5rem); /* type specimen display */
  --text-hero: clamp(2.4rem, 6vw, 4.3rem);  /* hero h1 */

  --max-content: 1040px; /* .wrap max-width */
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #131226;
    --paper-raised: #1b1a33;
    --ink: #f3f1ff;
    --ink-soft: #b3aecf;
    --line: #322f52;
    --brand-blue: #0029ff;
    --brand-blue-ink: #ffffff;
    --lime: #d7ec3f;
    --lime-ink: #1b1e05;
    --pink: #ff7aa8;
    --pink-ink: #2a0714;
    --amber: #fe470a;
    --amber-ink: #2a0a00;
    --sky: #9dcff0;
    --sky-ink: #072843;
    --sun: #fef76d;
    --sun-ink: #2a2400;
  }
}
:root[data-theme='dark'] {
  --paper: #131226;
  --paper-raised: #1b1a33;
  --ink: #f3f1ff;
  --ink-soft: #b3aecf;
  --line: #322f52;
  --brand-blue: #0029ff;
  --brand-blue-ink: #ffffff;
  --lime: #d7ec3f;
  --lime-ink: #1b1e05;
  --pink: #ff7aa8;
  --pink-ink: #2a0714;
  --amber: #fe470a;
  --amber-ink: #2a0a00;
  --sky: #9dcff0;
  --sky-ink: #072843;
  --sun: #fef76d;
  --sun-ink: #2a2400;
}
:root[data-theme='light'] {
  --paper: #fdfdfb;
  --paper-raised: #ffffff;
  --ink: #15131f;
  --ink-soft: #4a4757;
  --line: #e4e1de;
  --brand-blue: #0029ff;
  --brand-blue-ink: #ffffff;
  --lime: #b9cc1f;
  --lime-ink: #24280a;
  --pink: #e8447a;
  --pink-ink: #fff0f4;
  --amber: #fe470a;
  --amber-ink: #2a0a00;
  --sky: #9dcff0;
  --sky-ink: #072843;
  --sun: #fef76d;
  --sun-ink: #2a2400;
}

/* ---------- base reset & typography ---------- */
* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Space Grotesk', ui-sans-serif, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background .3s ease, color .3s ease;
}

::selection { background: var(--lime); color: var(--lime-ink); }

a { color: var(--brand-blue); }

h1, h2, h3 {
  font-family: 'DM Serif Display', ui-serif, Georgia, serif;
  font-weight: 400;
  line-height: 1.05;
  text-wrap: balance;
  margin: 0;
}

.eyebrow {
  font-family: 'Space Mono', ui-monospace, monospace;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.wrap {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

/* ---------- border radius tokens em uso ---------- */
.radius-card { border-radius: var(--radius); }   /* cards, swatches */
.radius-pill { border-radius: 999px; }           /* botões, chips, toggle */
.radius-circle { border-radius: 50%; }           /* dots do grafo, avatar */

/* ---------- componentes-base (tokens aplicados) ---------- */

/* dot/node — usado no motivo de constelação (hero, chips, bullets de tag) */
.node-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
}
.node-dot.c-lime  { background: var(--lime); }
.node-dot.c-pink  { background: var(--pink); }
.node-dot.c-amber { background: var(--amber); }
.node-dot.c-sky   { background: var(--sky); }
.node-dot.c-sun   { background: var(--sun); }
.node-dot.c-blue  { background: var(--brand-blue); }
.node-dot.c-paper { background: var(--paper-raised); border: 1px solid var(--ink-soft); }

/* chip / badge (tags de categoria: Design Instrucional, Dados, Produto...) */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 9px 16px 9px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-family: 'Space Mono', monospace;
  font-size: var(--text-sm-alt);
  background: var(--paper-raised);
}

/* card de projeto/categoria */
.card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-5) var(--space-5) var(--space-6);
  background: var(--paper-raised);
  transition: border-color .2s ease, transform .2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--elevation-2); }

/* botão pill (ex: toggle de tema, CTA outline) */
.btn-pill {
  font-family: 'Space Mono', monospace;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: none;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}
.btn-pill:hover { border-color: var(--ink-soft); }
.btn-pill:focus { outline: none; }
.btn-pill:focus-visible { border-color: var(--brand-blue); box-shadow: var(--focus-ring); }
.btn-pill:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-pill:disabled:hover { border-color: var(--line); }

/* variante preenchida — ação principal */
.btn-pill.primary { background: var(--brand-blue); color: var(--brand-blue-ink); border-color: var(--brand-blue); }
.btn-pill.primary:hover { background: var(--brand-blue); border-color: var(--brand-blue); filter: brightness(0.92); }
.btn-pill.primary:disabled:hover { filter: none; }