/* Base compartilhada: tokens do design, navegação, botões, cards, rodapé e diálogos. */
:root {
  color-scheme: dark;
  /* superfícies */
  --canvas: #040506;
  --card: #07080a;
  --recessed: #111214;
  --graphite: #1b1c1e;
  --slate: #2f3031;
  --line: #363739;
  /* texto */
  --text: #ffffff;
  --ash: #9c9c9d;
  --smoke: #6a6b6c;
  /* ações neutras */
  --mist: #e6e6e6;
  --iron: #454647;
  /* marca: pêssego do MCL */
  --accent: #f1b197;
  --accent-hush: #41302a;
  --sky: #63a1ff;
  --cobalt: #143ca3;
  /* estados */
  --ok: #59d499;
  --error: #ff8a80;
  /* sombras */
  --shadow-key: rgba(255,255,255,.05) 0 1px 0 0 inset, rgba(255,255,255,.25) 0 0 0 1px, rgba(0,0,0,.2) 0 -1px 0 0 inset;
  --shadow-edge: rgba(255,255,255,.1) 0 1px 0 0 inset;
  --shadow-lift: rgba(0,0,0,.03) 0 7px 3px 0, rgba(0,0,0,.25) 0 4px 4px 0;
  --shadow-window: rgba(255,255,255,.1) 0 1px 0 0 inset, rgba(0,0,0,.4) 0 30px 50px 0, rgba(255,255,255,.06) 0 0 0 1px inset;
  --font: 'Inter', ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: 'Geist Mono', 'JetBrains Mono', ui-monospace, Consolas, monospace;
  --max: 1200px;
  font-family: var(--font);
  font-feature-settings: 'calt', 'kern', 'liga', 'ss03';
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; min-height: 100svh; display: flex; flex-direction: column; background: var(--canvas); color: var(--text); font-size: 16px; line-height: 1.5; overflow-x: hidden; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--mist); outline-offset: 3px; }
[hidden] { display: none !important; }
.icon { flex-shrink: 0; display: block; }

/* ---------- arte de fundo (hero) ---------- */
.hero-art {
  position: absolute; inset: 0 0 auto; height: var(--art-height, 920px); overflow: hidden; pointer-events: none; z-index: 0;
  -webkit-mask-image: linear-gradient(#000 50%, transparent);
          mask-image: linear-gradient(#000 50%, transparent);
}
.glow-blue { position: absolute; inset: 0; background: radial-gradient(60% 50% at 50% 24%, rgba(4,63,150,.5), rgba(6,18,37,.18) 60%, transparent 80%); }
.bar { position: absolute; left: 50%; width: 1400px; border-radius: 9999px; filter: blur(48px); }
.bar-1 { top: 110px; height: 110px; margin-left: -700px; background: linear-gradient(90deg, transparent, var(--accent) 45%, rgba(241,177,151,.32) 70%, transparent); transform: rotate(-13deg); opacity: .65; }
.bar-2 { top: 280px; height: 66px; margin-left: -600px; background: linear-gradient(90deg, transparent, var(--sky) 40%, var(--cobalt) 70%, transparent); transform: rotate(-13deg); opacity: .32; }

/* ---------- navegação ---------- */
.nav-wrap { position: sticky; top: 16px; z-index: 10; padding: 0 16px; }
.nav {
  max-width: var(--max); margin: 0 auto; display: flex; align-items: center; gap: 16px;
  min-height: 50px; padding: 8px 8px 8px 16px; border: 1px solid var(--line); border-radius: 12px;
  background: rgba(7,8,10,.6); -webkit-backdrop-filter: blur(48px); backdrop-filter: blur(48px); box-shadow: var(--shadow-edge);
}
.brand { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; letter-spacing: .01em; }
.brand img { display: block; }
.tag { padding: 0 6px; border-radius: 6px; background: var(--graphite); color: var(--ash); font-family: var(--mono); font-size: 11px; font-weight: 400; line-height: 20px; letter-spacing: .05em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.nav-links a, .nav-link {
  display: inline-flex; align-items: center; gap: 8px; padding: 0; border: 0; background: none;
  color: var(--ash); font-size: 13px; font-weight: 500; transition: color .15s;
}
.nav-links a:hover, .nav-link:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.nav-links + .nav-actions { margin-left: 8px; }
.nav > .nav-actions:nth-child(2) { margin-left: auto; }

/* ---------- botões ---------- */
.btn, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 16px; border: 0; border-radius: 8px; font-size: 14px; font-weight: 500;
  transition: background .15s, color .15s, box-shadow .15s;
}
.btn { background: var(--mist); color: var(--iron); box-shadow: var(--shadow-lift); }
.btn:hover { background: #fff; color: var(--graphite); }
.btn-ghost { background: transparent; color: var(--ash); box-shadow: var(--slate) 0 0 0 1px inset; }
.btn-ghost:hover { color: var(--text); background: rgba(255,255,255,.04); }
.btn-ghost.danger:hover { color: var(--error); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 12px 18px; }
.btn-block { width: 100%; margin-top: 8px; }
button:disabled { opacity: .55; cursor: wait; }

/* ---------- tipografia e blocos ---------- */
main { position: relative; z-index: 1; flex: 1; width: 100%; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 6px; width: fit-content; margin: 0 0 16px; padding: 4px 10px; border-radius: 9999px;
  background: rgba(17,18,20,.75); box-shadow: var(--shadow-key); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  font-family: var(--mono); font-size: 11px; line-height: 16px; letter-spacing: .073em; text-transform: uppercase; color: var(--ash);
}
h1 { font-size: clamp(36px, 6vw, 64px); font-weight: 400; line-height: 1.1; letter-spacing: .004em; margin: 0; }
.section-title { font-size: clamp(32px, 4vw, 48px); font-weight: 400; line-height: 1.15; letter-spacing: .004em; margin: 0 0 48px; }
.lead { color: var(--ash); font-size: 18px; max-width: 480px; margin: 16px auto 0; }
.muted { color: var(--smoke); font-size: 14px; margin: 4px 0 0; }
.meta { font-family: var(--mono); font-size: 12px; letter-spacing: .017em; color: var(--smoke); }
.meta i { font-style: normal; margin: 0 8px; color: var(--slate); }
code { font-family: var(--mono); font-size: 12px; word-break: break-all; color: var(--ash); }

.badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 4px 10px; border-radius: 9999px;
  background: rgba(27,28,30,.7); box-shadow: var(--shadow-key);
  font-family: var(--mono); font-size: 11px; letter-spacing: .05em; text-transform: uppercase; color: var(--ash);
}
/* etiqueta "Beta" da conta MCL */
.beta {
  display: inline-flex; align-items: center; padding: 0 7px; border-radius: 6px; vertical-align: middle;
  background: var(--accent-hush); color: var(--accent); box-shadow: rgba(241,177,151,.25) 0 0 0 1px inset;
  font-family: var(--mono); font-size: 10.5px; font-weight: 500; line-height: 20px; letter-spacing: .06em; text-transform: uppercase;
}
.eyebrow .beta { margin: -2px -6px -2px 0; line-height: 18px; }
.dot { width: 6px; height: 6px; border-radius: 99999px; background: var(--accent); box-shadow: 0 0 8px var(--accent); }

.card { position: relative; padding: 24px; border-radius: 16px; background: var(--card); box-shadow: var(--shadow-key); }
.icon-well {
  flex-shrink: 0; display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 99999px;
  background: var(--recessed); color: var(--mist); box-shadow: var(--shadow-edge);
}

/* ---------- rodapé ---------- */
footer {
  position: relative; z-index: 1; width: 100%; max-width: var(--max); margin: 0 auto; padding: 24px 16px 40px;
  border-top: 1px solid var(--graphite); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
footer a:hover { color: var(--text); }

/* ---------- diálogos ---------- */
dialog {
  background: var(--card); color: var(--text); border: 0; border-radius: 16px; padding: 40px;
  max-width: 440px; width: calc(100% - 32px); box-shadow: var(--shadow-key), rgba(0,0,0,.4) 0 30px 50px 0;
}
dialog::backdrop { background: rgba(4,5,6,.8); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
dialog h2 { font-size: 24px; font-weight: 500; margin: 0 0 16px; }
dialog p { color: var(--ash); line-height: 1.6; font-size: 16px; margin: 0; }
.close { position: absolute; right: 12px; top: 8px; font-size: 24px; color: var(--ash); background: none; border: 0; line-height: 1; padding: 8px; }
.close:hover { color: var(--text); }

@media (max-width: 760px) {
  h1 br, .section-title br { display: none; }
  .lead { font-size: 16px; }
  footer { flex-direction: column; }
}
@media (max-width: 560px) {
  .nav-links .hide-sm { display: none; }
  .nav-links { gap: 16px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } html { scroll-behavior: auto; } }