/* =====================================================================
   Catálogo.IA — Estilos
   Tema dark • accent roxo #7C3AED + ciano #22D3EE • mobile-first
   ===================================================================== */

/* ----------------------------- Tokens ----------------------------- */
:root {
  --bg:            #0B0B14;
  --bg-soft:       #101021;
  --surface:       #16162A;
  --surface-2:     #1D1D36;
  --border:        #262646;
  --border-soft:   #2E2E54;

  --text:          #ECECF7;
  --text-muted:    #A0A0C0;
  --text-dim:      #70708F;

  --accent:        #7C3AED;
  --accent-hi:     #9B6BFF;
  --accent-2:      #22D3EE;

  --green:         #34D399;
  --amber:         #FBBF24;
  --red:           #F87171;

  --radius:        16px;
  --radius-sm:     10px;
  --radius-pill:   999px;

  --shadow:        0 10px 30px rgba(0,0,0,.35);
  --shadow-hover:  0 18px 46px rgba(124,58,237,.28);

  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

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

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  background-image:
    radial-gradient(900px 500px at 85% -10%, rgba(124,58,237,.18), transparent 60%),
    radial-gradient(700px 420px at 0% 5%,  rgba(34,211,238,.10), transparent 55%);
  background-attachment: fixed;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

button { font: inherit; cursor: pointer; }

[hidden] { display: none !important; }

.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 18px;
}

/* ----------------------------- Header ----------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(11,11,20,.78);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 62px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: .2px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 900;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 6px 18px rgba(124,58,237,.45);
}

.brand-name { font-size: 1.06rem; }
.brand-accent { color: var(--accent-2); }

.header-tag {
  font-size: .74rem;
  color: var(--text-dim);
  letter-spacing: .3px;
  white-space: nowrap;
}

/* ------------------------------ Hero ------------------------------ */
.hero {
  position: relative;
  overflow: hidden;
  padding: 54px 0 34px;
}

.hero-glow {
  position: absolute;
  inset: auto 0 -160px 0;
  height: 320px;
  background: radial-gradient(closest-side, rgba(124,58,237,.35), transparent 70%);
  filter: blur(30px);
  pointer-events: none;
}

.hero-inner { position: relative; text-align: center; }

.hero-eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding: 6px 14px;
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .4px;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-pill);
}

.hero-title {
  margin: 0 0 14px;
  font-size: clamp(1.85rem, 6.2vw, 3.25rem);
  line-height: 1.12;
  font-weight: 850;
  letter-spacing: -.02em;
}

.gradient-text {
  background: linear-gradient(100deg, var(--accent-hi) 5%, var(--accent-2) 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  max-width: 640px;
  margin: 0 auto 26px;
  color: var(--text-muted);
  font-size: clamp(.95rem, 2.6vw, 1.06rem);
}

/* ----------------------------- Busca ------------------------------ */
.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
  max-width: 560px;
  margin: 0 auto;
}

.search-icon {
  position: absolute;
  left: 16px;
  color: var(--text-dim);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 15px 46px 15px 46px;
  font-size: .98rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-pill);
  outline: none;
  transition: border-color .18s, box-shadow .18s, background .18s;
}

.search-input::placeholder { color: var(--text-dim); }

.search-input:focus {
  background: var(--surface-2);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(124,58,237,.22);
}

.search-clear {
  position: absolute;
  right: 12px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  color: var(--text-muted);
  background: var(--surface-2);
  line-height: 1;
}
.search-clear:hover { color: var(--text); background: var(--border-soft); }

/* --------------------------- Hero stats --------------------------- */
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 22px;
  margin-top: 22px;
  font-size: .82rem;
  color: var(--text-dim);
}
.hero-stats .stat strong { color: var(--text); }

/* ---------------------------- Seções ------------------------------ */
.section { padding: 30px 0 8px; }

.section-head { margin-bottom: 20px; }

.section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 6px;
  font-size: clamp(1.2rem, 3.6vw, 1.6rem);
  font-weight: 800;
  letter-spacing: -.01em;
}

.chip-star { color: var(--amber); }

.section-sub {
  margin: 0;
  color: var(--text-muted);
  font-size: .9rem;
}

.destaque-section { padding-top: 38px; }

/* --------------------------- Filtros ------------------------------ */
.filtros {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 2px 12px;
  margin-bottom: 8px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-soft) transparent;
}
.filtros::-webkit-scrollbar { height: 6px; }
.filtros::-webkit-scrollbar-thumb { background: var(--border-soft); border-radius: 3px; }

.filtro {
  flex: 0 0 auto;
  padding: 9px 16px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  transition: color .16s, background .16s, border-color .16s, transform .12s;
  white-space: nowrap;
}
.filtro:hover { color: var(--text); border-color: var(--border-soft); }
.filtro:active { transform: scale(.97); }

.filtro.is-active {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-hi));
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(124,58,237,.4);
}

/* ----------------------------- Grid ------------------------------- */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.grid-destaque { margin-bottom: 6px; }

/* ----------------------------- Card ------------------------------- */
.card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg-soft) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-soft);
  box-shadow: var(--shadow-hover);
}

.card-top {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.card-avatar {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  font-size: 1.25rem;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
}

.card-heading { min-width: 0; flex: 1; }

.card-name {
  margin: 0 0 4px;
  font-size: 1.04rem;
  font-weight: 750;
  letter-spacing: -.01em;
  overflow-wrap: anywhere;
}

.card-cat {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: .5px;
}

.card-desc {
  margin: 0;
  font-size: .88rem;
  color: var(--text-muted);
  flex: 1;
}

.card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: .72rem;
  font-weight: 650;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  white-space: nowrap;
}

.badge-gratis  { color: var(--green); background: rgba(52,211,153,.12); border-color: rgba(52,211,153,.28); }
.badge-parcial { color: var(--amber); background: rgba(251,191,36,.12); border-color: rgba(251,191,36,.28); }
.badge-pago    { color: var(--red);   background: rgba(248,113,113,.12); border-color: rgba(248,113,113,.28); }
.badge-pub     { color: var(--text-muted); background: var(--surface-2); border-color: var(--border-soft); }

/* Selo de afiliado (mostrado apenas quando há link de afiliado preenchido) */
.badge-afiliado {
  color: var(--accent-2);
  background: rgba(34,211,238,.10);
  border-color: rgba(34,211,238,.30);
}

.card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 11px 16px;
  font-size: .9rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-hi));
  border: none;
  border-radius: var(--radius-sm);
  transition: filter .16s, transform .12s, box-shadow .16s;
  box-shadow: 0 6px 16px rgba(124,58,237,.35);
}

.card-btn:hover { filter: brightness(1.08); box-shadow: 0 10px 24px rgba(124,58,237,.5); }
.card-btn:active { transform: scale(.985); }

.card-btn svg { width: 15px; height: 15px; }

/* Destaque especial */
.card.is-destaque { border-color: rgba(124,58,237,.45); }
.card.is-destaque .card-avatar { background: linear-gradient(135deg, rgba(124,58,237,.28), rgba(34,211,238,.20)); }

/* ---------------------------- Vazio ------------------------------- */
.vazio {
  margin: 26px 0 10px;
  padding: 30px 18px;
  text-align: center;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px dashed var(--border-soft);
  border-radius: var(--radius);
}

/* ---------------------------- Footer ------------------------------ */
.site-footer {
  margin-top: 46px;
  padding: 34px 0 40px;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}

.footer-inner { text-align: center; }

.disclaimer {
  max-width: 720px;
  margin: 0 auto 14px;
  padding: 14px 18px;
  font-size: .86rem;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
}
.disclaimer strong { color: var(--text); }

.footer-meta {
  max-width: 640px;
  margin: 0 auto 10px;
  font-size: .8rem;
  color: var(--text-dim);
}

.footer-copy {
  margin: 0;
  font-size: .78rem;
  color: var(--text-dim);
}

/* =====================================================================
   Responsivo — mobile-first (breakpoints progressivos)
   ===================================================================== */

/* >= 560px : 2 colunas */
@media (min-width: 560px) {
  .grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}

/* >= 900px : 3 colunas */
@media (min-width: 900px) {
  .container { padding-inline: 24px; }
  .grid { grid-template-columns: repeat(3, 1fr); }
  .hero { padding: 76px 0 46px; }
  .section { padding: 40px 0 10px; }
}

/* >= 1180px : grid de destaque com 5 colunas fluidas */
@media (min-width: 1180px) {
  .grid-destaque { grid-template-columns: repeat(5, 1fr); }
  .grid-destaque .card { padding: 16px; }
  .grid-destaque .card-desc { font-size: .84rem; }
}

/* Acessibilidade: respeitar preferência por menos movimento */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}

/* Foco visível para navegação por teclado */
:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}