/* ============================================================================
   global.css — Wine Tasting · Porto a Porto
   Sistema visual: fundo preto quente, serifada display (Cormorant) +
   sans geométrica (Jost). Cores por tipo de vinho em oklch.
   ========================================================================== */

:root {
  /* superfícies / texto — pretos e brancos quentes, baixa saturação */
  --bg:        #0a0908;
  --bg-2:      #100e0c;
  --ink:       #f4efe6;
  --ink-soft:  #c9c2b6;
  --muted:     #8a8377;
  --muted-2:   #5c564d;
  --line:      rgba(244, 239, 230, 0.14);
  --line-soft: rgba(244, 239, 230, 0.08);
  --card:      rgba(255, 253, 248, 0.04);
  --card-hi:   rgba(255, 253, 248, 0.075);

  /* dourado da marca */
  --gold:      oklch(0.80 0.085 84);
  --gold-dim:  oklch(0.66 0.07 84);
  --gold-bg:   oklch(0.80 0.085 84 / 0.10);

  /* cores por tipo de vinho */
  --t-espumante:   oklch(0.56 0.10 92);
  --t-branco:      oklch(0.55 0.12 100);
  --t-rose:        oklch(0.78 0.11 18);
  --t-tinto:       oklch(0.64 0.15 22);
  --t-fortificado: oklch(0.70 0.11 58);
  --t-gourmet:     oklch(0.64 0.06 86);

  --serif: 'Bebas Neue', Impact, sans-serif;
  --sans:  'Open Sans', system-ui, sans-serif;

  --shell-max: 1180px;
  --radius: 4px;
  --radius-card: 8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* fundo decorativo fixo (paths relativos a partir de styles/) */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-repeat: no-repeat;
  background-position: center top;
  background-size: cover;
  background-image: url('../assets/bg-mobile.png');
  opacity: 0.55;
  pointer-events: none;
}
@media (min-width: 760px) {
  .bg-layer {
    background-image: url('../assets/bg-desktop.png');
    background-size: cover;
    opacity: 0.50;
  }
}
.bg-vignette {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 100% 60% at 50% 0%, transparent 30%, rgba(10,9,8,0.70) 100%),
    linear-gradient(to bottom, transparent 60%, rgba(10,9,8,0.80) 100%);
}

#root { position: relative; z-index: 1; min-height: 100vh; }

/* ---- tipografia utilitária ---- */
.serif { font-family: var(--serif); }
.eyebrow {
  font-family: var(--sans);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.42em;
  font-size: 11px;
  color: var(--muted);
}
.mono-note { font-variant-numeric: tabular-nums; }

::selection { background: var(--gold-dim); color: #1a1712; }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ---- botões base ---- */
.btn {
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 13px;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: transform .12s ease, background .2s ease, color .2s ease,
              border-color .2s ease, opacity .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { cursor: not-allowed; opacity: 0.4; }

.btn-primary {
  background: var(--ink);
  color: #12100d;
  padding: 16px 38px;
}
.btn-primary:not(:disabled):hover { background: #fff; }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 13px 26px;
}
.btn-ghost:hover { border-color: var(--ink-soft); background: var(--card); }

/* ---- header compartilhado ---- */
.app-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px clamp(18px, 4vw, 44px);
  position: sticky;
  top: 0;
  z-index: 20;
  background: linear-gradient(to bottom, rgba(10,9,8,0.94) 0%, rgba(10,9,8,0.0) 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.app-header .back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 17px;
  transition: border-color .2s, background .2s;
  flex: none;
}
.app-header .back:hover { border-color: var(--ink-soft); background: var(--card); }
.app-header .header-logo { height: 36px; width: auto; opacity: 0.92; }
.app-header .header-spacer { flex: 1; }

.shell {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 0 clamp(22px, 5vw, 44px) 96px;
}

/* ---- animações de entrada ---- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.fade-up { animation: fadeUp .48s cubic-bezier(.18,.72,.28,1) both; }
.fade-in { animation: fadeIn .36s ease both; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}