/* ===== Scuta — site de apresentação ===== */
/* Paleta alinhada ao app Crow: fundo preto, acento verde (#22c55e). */

:root {
  --bg:          #000;
  --bg-1:        #0d0d0d;
  --bg-2:        #111;
  --panel:       #161616;
  --panel-2:     #1a1a1a;
  --border:      #242424;
  --text:        #dcddde;
  --text-muted:  #8a8f98;
  --green:       #22c55e;
  --green-dark:  #16a34a;
  --green-soft:  rgba(34, 197, 94, 0.12);
  --radius:      14px;
  --maxw:        1100px;
  --topbar-h:    64px;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topbar-h) + 12px); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 { line-height: 1.15; margin: 0; font-weight: 700; letter-spacing: -0.02em; }

.accent { color: var(--green); }
.muted { color: var(--text-muted); }

/* ===== Botões ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform .12s ease, background .15s ease, border-color .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-lg { padding: 14px 26px; font-size: 1.05rem; border-radius: 12px; }

.btn-primary {
  background: var(--green);
  color: #06210f;
  box-shadow: 0 6px 22px rgba(34, 197, 94, 0.25);
}
.btn-primary:hover { background: var(--green-dark); color: #fff; }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--green); color: var(--green); }

.btn-web {
  background: var(--green-soft);
  color: var(--green);
  border-color: rgba(34, 197, 94, 0.35);
}
.btn-web:hover { background: rgba(34, 197, 94, 0.2); border-color: var(--green); }
.btn-web .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
  70%  { box-shadow: 0 0 0 7px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* ===== Topbar ===== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 24px;
  background: rgba(8, 8, 8, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { width: 30px; height: 30px; border-radius: 7px; object-fit: cover; }
.brand-name { font-weight: 700; font-size: 1.2rem; letter-spacing: -0.01em; }

.nav {
  display: flex;
  gap: 26px;
  margin-left: 14px;
  margin-right: auto;
}
.nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color .15s ease;
}
.nav a:hover { color: var(--text); }

.nav-toggle { display: none; }

/* ===== Hero ===== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 120px 24px 100px;
  text-align: center;
}
.hero-glow {
  position: absolute;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  width: 900px; height: 600px;
  background: radial-gradient(closest-side, rgba(34, 197, 94, 0.16), transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 820px; margin: 0 auto; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  background: var(--green-soft);
  border: 1px solid rgba(34, 197, 94, 0.25);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 28px;
}

.hero h1 { font-size: clamp(2.4rem, 6vw, 4rem); }

.lead {
  margin: 26px auto 0;
  max-width: 620px;
  font-size: 1.18rem;
  color: var(--text-muted);
}
.lead strong { color: var(--text); }

.hero-cta {
  margin-top: 38px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-note { margin-top: 26px; font-size: 0.9rem; color: var(--text-muted); }

/* ===== Seções ===== */
.section { max-width: var(--maxw); margin: 0 auto; padding: 96px 24px; }
.section-alt { background: var(--bg-1); max-width: none; }
.section-alt > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-head h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
.section-head p { margin-top: 14px; color: var(--text-muted); font-size: 1.1rem; }

/* ===== Cards (dados sobre o app) ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform .15s ease, border-color .15s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(34, 197, 94, 0.4); }
.card-icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  font-size: 1.5rem;
  background: var(--green-soft);
  border-radius: 12px;
  margin-bottom: 18px;
}
.card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card p { margin: 0; color: var(--text-muted); font-size: 0.98rem; }

/* ===== Steps (tutorial) ===== */
.steps {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 740px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.step {
  display: flex;
  gap: 22px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
}
.step-num {
  flex: none;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  font-weight: 700;
  font-size: 1.2rem;
  color: #06210f;
  background: var(--green);
  border-radius: 50%;
}
.step-body h3 { font-size: 1.2rem; margin-bottom: 8px; }
.step-body p { margin: 0; color: var(--text-muted); }
.step-body strong { color: var(--text); }

.tutorial-cta {
  margin-top: 48px;
  text-align: center;
}
.tutorial-cta p { font-size: 1.15rem; margin: 0 0 18px; }

/* ===== Download ===== */
.downloads {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  max-width: 820px;
  margin: 0 auto;
}
.dl-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  transition: border-color .15s ease, transform .15s ease;
}
.dl-card[aria-disabled="true"] { opacity: 0.75; cursor: not-allowed; }
.dl-card:not([aria-disabled="true"]):hover { border-color: var(--green); transform: translateY(-3px); }
.dl-os { font-size: 1.25rem; font-weight: 700; }
.dl-meta { margin-top: 6px; color: var(--text-muted); font-size: 0.9rem; }
.dl-soon {
  margin-top: 14px;
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
}
.dl-web { text-align: center; margin-top: 36px; color: var(--text-muted); }
.dl-web a { color: var(--green); font-weight: 600; }
.dl-web a:hover { text-decoration: underline; }

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-1);
  padding: 56px 24px 40px;
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}
.footer-brand .brand { margin-bottom: 14px; }
.footer-tag { margin: 0; color: var(--text); max-width: 320px; }
.footer-legal { margin: 10px 0 0; color: var(--text-muted); font-size: 0.9rem; }
.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 14px;
}
.footer-col a {
  display: block;
  color: var(--text);
  font-size: 0.95rem;
  padding: 5px 0;
  transition: color .15s ease;
}
.footer-col a:hover { color: var(--green); }

/* ===== Nav — estado ativo ===== */
.nav a.active { color: var(--text); position: relative; }
.nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -22px;
  height: 2px;
  background: var(--green);
  border-radius: 2px;
}

/* ===== Hero de página de produto ===== */
.phero {
  position: relative;
  overflow: hidden;
  padding: 96px 24px 72px;
  text-align: center;
}
.phero .hero-glow { top: -240px; }
.phero-inner { position: relative; max-width: 820px; margin: 0 auto; }
.phero-icon {
  width: 76px; height: 76px;
  border-radius: 18px;
  object-fit: cover;
  margin: 0 auto 24px;
  display: block;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}
.phero-emoji {
  width: 76px; height: 76px;
  border-radius: 18px;
  margin: 0 auto 24px;
  display: grid;
  place-items: center;
  font-size: 2.4rem;
  background: var(--green-soft);
  border: 1px solid rgba(34, 197, 94, 0.3);
}
.phero h1 { font-size: clamp(2.1rem, 5vw, 3.2rem); }
.phero .lead { margin-top: 20px; }
.phero-kicker {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 14px;
}

/* Badge de status (em desenvolvimento etc.) */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 14px;
  margin-top: 22px;
}
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }

/* ===== Seções de conteúdo longo (produto/docs) ===== */
.prose { max-width: 760px; margin: 0 auto; }
.prose-block { margin-bottom: 44px; }
.prose-block h3 { font-size: 1.4rem; margin-bottom: 12px; }
.prose-block > p { color: var(--text-muted); margin: 0 0 14px; font-size: 1.05rem; }
.prose-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.prose-list li {
  position: relative;
  padding-left: 26px;
  color: var(--text-muted);
}
.prose-list li::before {
  content: "";
  position: absolute;
  left: 4px; top: 10px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
}
.prose-list li strong { color: var(--text); }

/* ===== Cards de produto (ecossistema, na home) ===== */
.product-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.product-card {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform .15s ease, border-color .15s ease;
}
.product-card:hover { transform: translateY(-4px); border-color: rgba(34, 197, 94, 0.4); }
.product-card .pc-head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.product-card .pc-ico {
  width: 46px; height: 46px; border-radius: 12px; object-fit: cover;
  display: grid; place-items: center;
  font-size: 1.5rem;
  background: var(--green-soft);
}
.product-card h3 { font-size: 1.25rem; }
.product-card .pc-kind { font-size: 0.8rem; color: var(--text-muted); }
.product-card p { color: var(--text-muted); margin: 0 0 18px; flex: 1; }
.product-card .pc-link { color: var(--green); font-weight: 600; font-size: 0.95rem; }
.product-card .pc-link:hover { text-decoration: underline; }

/* ===== Nota de infraestrutura (home) ===== */
.infra-note {
  max-width: 820px;
  margin: 34px auto 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 26px;
}
.infra-note p { margin: 0; color: var(--text-muted); }
.infra-note strong { color: var(--text); }
.infra-note a { color: var(--green); font-weight: 600; }
.infra-note a:hover { text-decoration: underline; }

/* ===== Caixa de nota / transparência ===== */
.note-box {
  background: var(--green-soft);
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: 12px;
  padding: 18px 22px;
  color: var(--text-muted);
  font-size: 0.98rem;
}
.note-box strong { color: var(--text); }
.note-box a { color: var(--green); font-weight: 600; }
.note-box a:hover { text-decoration: underline; }

/* ===== Documentação — layout com índice lateral ===== */
.docs-wrap {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 56px 24px 96px;
}
.docs-toc {
  position: sticky;
  top: calc(var(--topbar-h) + 24px);
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.docs-toc a {
  color: var(--text-muted);
  font-size: 0.92rem;
  padding: 6px 12px;
  border-radius: 8px;
  border-left: 2px solid transparent;
  transition: color .15s ease, background .15s ease;
}
.docs-toc a:hover { color: var(--text); background: var(--panel); }
.docs-content .prose-block { scroll-margin-top: calc(var(--topbar-h) + 20px); }

@media (max-width: 860px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .docs-wrap { grid-template-columns: 1fr; gap: 24px; }
  .docs-toc { position: static; flex-direction: row; flex-wrap: wrap; }
}

/* ===== Responsivo ===== */
@media (max-width: 760px) {
  .nav { display: none; }
  .btn-web { margin-left: auto; }
  .nav.open {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: var(--topbar-h);
    left: 0; right: 0;
    background: var(--bg-1);
    border-bottom: 1px solid var(--border);
    margin: 0;
    padding: 8px 0;
  }
  .nav.open a { padding: 12px 24px; }
  .nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px; height: 40px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 9px;
    cursor: pointer;
  }
  .nav-toggle span {
    display: block;
    width: 18px; height: 2px;
    margin: 0 auto;
    background: var(--text);
    border-radius: 2px;
  }
  .hero { padding: 80px 20px 64px; }
  .section { padding: 72px 20px; }
  .step { flex-direction: column; gap: 14px; }
}