/* DTSFlash: paleta oficial do app (gui_ctk.py). Escuro é o padrão; o claro segue o sistema. */
:root {
  --bg: #0B1322;
  --surface: #111A2B;
  --surface-2: #16233B;
  --border: #2F466C;
  --text: #E6EAF0;
  --text-2: #9AA6B5;
  --primary: #1F7EAC;
  --primary-hover: #2E9FD6;
  --link: #2E9FD6;
  --on-primary: #FFFFFF;
  --success: #34D399;
  --warning: #F59E0B;
  --danger: #FA5A5A;
  --glow: rgba(46, 159, 214, 0.22);
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --radius: 10px;
  --wrap: 1120px;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ECF1F8;
    --surface: #FFFFFF;
    --surface-2: #E0E7F2;
    --border: #A6B4CB;
    --text: #101828;
    --text-2: #49556A;
    --primary: #1A6E99;
    --primary-hover: #155B82;
    --link: #155B82;
    --success: #15803D;
    --warning: #B45309;
    --danger: #DC2626;
    --glow: rgba(26, 110, 153, 0.18);
    color-scheme: light;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 72px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
h1, h2, h3 { line-height: 1.2; margin: 0; text-wrap: balance; font-weight: 600; }
p { margin: 0; text-wrap: pretty; }
a { color: var(--link); text-underline-offset: 3px; }
a:focus-visible, .tabela-wrap:focus-visible { outline: 2px solid var(--primary-hover); outline-offset: 3px; border-radius: 4px; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.ic, .ok, .ic-sm { fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.ic { width: 24px; height: 24px; flex: none; }
.ic-sm { width: 18px; height: 18px; flex: none; }
.ok { width: 20px; height: 20px; color: var(--success); margin-inline: auto; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: 16px; }
@media (min-width: 640px) { .wrap { padding-inline: 24px; } }

.skip { position: absolute; left: 16px; top: -48px; background: var(--primary); color: var(--on-primary); padding: 8px 12px; border-radius: 6px; z-index: 20; }
.skip:focus { top: 8px; }

/* Marca */
.marca { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; min-height: 44px; }
.marca img { border-radius: 7px; }
.marca-nome { font-weight: 700; font-size: 1.25rem; letter-spacing: -0.01em; }
.m-dts { color: var(--text); }
.m-flash { color: var(--primary-hover); }
@media (prefers-color-scheme: light) { .m-flash { color: var(--primary); } }

/* Topo */
.topo { position: sticky; top: 0; z-index: 10; background: var(--bg); border-bottom: 1px solid var(--border); }
.topo-in { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.nav { display: none; gap: 4px; margin-left: auto; }
.nav a { color: var(--text-2); text-decoration: none; padding: 10px 12px; border-radius: 6px; font-size: 0.95rem; transition: color 150ms ease, background-color 150ms ease; }
@media (hover: hover) { .nav a:hover { color: var(--text); background: var(--surface-2); } }
@media (min-width: 860px) { .nav { display: flex; } }
.topo .btn-sm { margin-left: auto; }
@media (min-width: 860px) { .topo .btn-sm { margin-left: 0; } }

/* Botões */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 22px; border-radius: 8px;
  background: var(--primary); color: var(--on-primary);
  font-weight: 600; text-decoration: none; border: 1px solid transparent;
  transition: background-color 150ms ease, transform 100ms ease-out;
}
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 0.95rem; }
.btn-sec { background: transparent; color: var(--text); border-color: var(--border); }
@media (hover: hover) {
  .btn:hover { background: var(--primary-hover); }
  .btn-sec:hover { background: var(--surface-2); }
}
.btn:active { transform: scale(0.98); }
.btn:focus-visible { outline: 2px solid var(--primary-hover); outline-offset: 3px; }

/* Hero */
.hero { padding: 56px 0 64px; border-bottom: 1px solid var(--border); background: radial-gradient(60% 80% at 85% 40%, var(--glow), transparent 70%); }
.hero-in { display: grid; gap: 40px; align-items: center; }
@media (min-width: 900px) { .hero { padding: 96px 0; } .hero-in { grid-template-columns: 1.35fr 1fr; gap: 64px; } }
.sobre { color: var(--text-2); font-size: 0.95rem; margin-bottom: 16px; }
h1 { font-size: clamp(2rem, 1.3rem + 3vw, 3.25rem); letter-spacing: -0.02em; }
.lead { margin-top: 20px; font-size: 1.15rem; color: var(--text-2); max-width: 60ch; }
.acoes { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.nota { margin-top: 20px; font-size: 0.95rem; color: var(--text-2); }
.hero-arte { justify-self: center; }
.hero-arte img { width: min(252px, 60vw); height: auto; border-radius: 22%; box-shadow: 0 0 0 1px var(--border), 0 24px 60px -20px var(--glow); }

/* Seções */
.secao { padding: 72px 0; }
.secao-alt { background: var(--surface); border-block: 1px solid var(--border); }
@media (min-width: 900px) { .secao { padding: 96px 0; } }
h2 { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.25rem); letter-spacing: -0.015em; }
.sec-lead { margin-top: 12px; color: var(--text-2); max-width: 62ch; }
h3 { font-size: 1.1rem; }

.grade { list-style: none; padding: 0; margin: 40px 0 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.cartao { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.cartao .ic { color: var(--primary-hover); margin-bottom: 16px; }
@media (prefers-color-scheme: light) { .cartao .ic { color: var(--primary); } }
.cartao p { margin-top: 8px; color: var(--text-2); }

.passos { list-style: none; padding: 0; margin: 40px 0 0; display: grid; gap: 24px; }
@media (min-width: 900px) { .passos { grid-template-columns: repeat(3, 1fr); } }
.passos li { display: flex; gap: 16px; align-items: flex-start; }
.num { flex: none; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--primary); color: var(--on-primary); font-weight: 700; font-variant-numeric: tabular-nums; }
.passos p { margin-top: 6px; color: var(--text-2); }

.aviso { margin-top: 40px; display: flex; gap: 14px; align-items: flex-start; padding: 18px 20px; border: 1px solid var(--warning); border-left-width: 4px; border-radius: var(--radius); background: var(--bg); }
.aviso .ic { color: var(--warning); margin-top: 2px; }

/* Tabela */
.tabela-wrap { margin-top: 40px; overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; min-width: 760px; font-size: 0.97rem; }
caption { text-align: left; padding: 14px 16px; color: var(--text-2); font-size: 0.9rem; border-bottom: 1px solid var(--border); }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--border); text-align: center; }
thead th { font-weight: 600; font-size: 0.85rem; color: var(--text-2); background: var(--surface-2); }
tbody th { text-align: left; font-weight: 600; white-space: nowrap; position: sticky; left: 0; background: var(--surface); }
thead th:first-child { position: sticky; left: 0; z-index: 1; }
tbody tr:last-child > * { border-bottom: 0; }
td { font-variant-numeric: tabular-nums; white-space: nowrap; }
.na, .nao { color: var(--text-2); }
.cob { color: var(--text-2); font-size: 0.9rem; }
.cob-ok { color: var(--success); font-weight: 600; }
.tabela-nota { margin-top: 16px; color: var(--text-2); font-size: 0.95rem; max-width: 80ch; }
.tabela-nota strong { color: var(--text); }

.limites { margin-top: 40px; }
.limites p { margin-top: 6px; color: var(--text-2); }
.lista-x { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 10px; }
.lista-x li { display: flex; gap: 10px; align-items: center; }
.lista-x .ic-sm { color: var(--danger); }

/* Requisitos */
.reqs { margin: 40px 0 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); }
.reqs div { padding: 20px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); }
.reqs dt { font-weight: 600; }
.reqs dd { margin: 6px 0 0; color: var(--text-2); }

/* Contato */
.contato { display: grid; gap: 32px; }
@media (min-width: 900px) { .contato { grid-template-columns: 1.2fr 1fr; align-items: start; gap: 64px; } }
.canais { display: grid; gap: 12px; }
.canal { display: flex; align-items: center; gap: 16px; padding: 18px 20px; min-height: 72px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--text); text-decoration: none; transition: border-color 150ms ease, background-color 150ms ease; }
.canal .ic { color: var(--primary-hover); }
.canal-pri { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.canal-pri .ic, .canal-pri .canal-det { color: var(--on-primary); }
@media (hover: hover) { .canal-pri:hover { background: var(--primary-hover); border-color: var(--primary-hover); } }
.contato .sec-lead + .sec-lead { margin-top: 12px; }
.valores-tit { margin-top: 28px; }
.novos { margin-top: 32px; padding: 20px 24px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.novos p { margin-top: 6px; color: var(--text-2); }
.canal strong { display: block; }
.canal-det { display: block; color: var(--text-2); font-size: 0.95rem; overflow-wrap: anywhere; }
@media (hover: hover) { .canal:hover { border-color: var(--primary-hover); background: var(--surface-2); } }
.canal:focus-visible { outline: 2px solid var(--primary-hover); outline-offset: 3px; }

/* Rodapé */
.rodape { border-top: 1px solid var(--border); padding: 40px 0 48px; color: var(--text-2); font-size: 0.9rem; }
.rodape p + p { margin-top: 10px; max-width: 80ch; }
.rodape .marca-nome { font-size: 1.1rem; margin-bottom: 16px; }
.rodape .by { font-weight: 400; font-size: 0.9rem; color: var(--text-2); margin-left: 6px; }
.copy { margin-top: 20px !important; }