/* Painéis AMS Devs — tema escuro sóbrio.
   Tokens:
   --bg #0B0B0F (fundo)
   --surface #141418 (painel)
   --surface-2 #1C1C22 (painel elevado)
   --border #2A2A33 (linha)
   --text #EDEDF0 (texto principal)
   --text-2 rgba(237,237,240,.72) (texto secundário)
   --accent padrão #6366F1 (indigo discreto)
*/

:root {
  --bg: #0B0B0F;
  --surface: #141418;
  --surface-2: #1C1C22;
  --border: #2A2A33;
  --text: #EDEDF0;
  --text-2: rgba(237, 237, 240, 0.72);
  --text-3: rgba(237, 237, 240, 0.5);
  --accent: #6366F1;
  --accent-fg: #ffffff;
  --radius: 14px;
  --radius-lg: 16px;
  --shadow-1: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-2: 0 10px 30px rgba(0, 0, 0, 0.35);
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

/* skip link */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--surface-2);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  z-index: 999;
}
.skip:focus { left: 12px; top: 12px; }

/* layout */
.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

/* topo */
.topo {
  border-bottom: 1px solid var(--border);
  background: rgba(11, 11, 15, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.topo__inner {
  display: flex;
  align-items: center;
  min-height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.02em;
}
.brand__name {
  font-weight: 600;
  font-size: 15px;
  color: var(--text-2);
}

/* intro */
.intro {
  padding: clamp(40px, 7vw, 72px) 0 24px;
}
.intro h1 {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 10px;
}
.intro__sub {
  margin: 0;
  color: var(--text-2);
  font-size: 16px;
  max-width: 60ch;
}

/* cards */
.cards {
  list-style: none;
  padding: 0;
  margin: 24px 0 64px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
  position: relative;
  transition: border-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 16px;
  right: 16px;
  height: 1px;
  background: var(--accent);
  opacity: 0.6;
  border-radius: 0 0 2px 2px;
}
.card:hover,
.card:focus-within {
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}

.card__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  min-width: 0;
}
.card__tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.card__name {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}
.card__desc {
  margin: 0;
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.card__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
}
.card__foot--stack { flex-direction: column; align-items: stretch; }
.card__foot--stack .btn { width: 100%; }

/* botoes */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0;
  border: 1px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
  gap: 8px;
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: transparent;
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: #5457E5;
  border-color: transparent;
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.04);
}

.btn__ext {
  font-size: 12px;
  opacity: 0.75;
  margin-left: 2px;
}

/* acento por card */
.card--cityquest .card__tag { color: #0EA5A4; }
.card--cityquest::before { background: #0EA5A4; }

.card--vamo .card__tag { color: #F59E0B; }
.card--vamo::before { background: #F59E0B; }

.card--duoconnect .card__tag { color: #EC4899; }
.card--duoconnect::before { background: #EC4899; }

.card--transcricao .card__tag { color: #6366F1; }
.card--transcricao::before { background: #6366F1; }

/* rodape */
.rodape {
  border-top: 1px solid var(--border);
  padding: 28px 0 36px;
  background: var(--bg);
}
.rodape__inner {
  display: grid;
  gap: 4px;
}
.rodape__tag {
  margin: 0;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
}
.rodape__meta {
  margin: 0;
  color: var(--text-3);
  font-size: 12px;
}

/* responsivo */
@media (max-width: 640px) {
  .cards { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 380px) {
  .container { padding: 0 16px; }
  .brand__name { display: none; }
  .card { padding: 18px 16px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}