/* --------------------------------------------------------------------------
   Tokens do site institucional.

   São os mesmos tokens do aplicativo (`src/index.css` no repositório Tratto):
   mesma tinta, mesmo indigo, mesmas fontes. Site e produto precisam parecer a
   mesma empresa — quem sai de trattotech.com e entra em app.trattotech.com não
   pode sentir que trocou de marca.

   Ao mexer numa cor aqui, conferir se ela também mudou lá.
   -------------------------------------------------------------------------- */

:root {
  --paper:        #f8f8fb;
  --surface:      #ffffff;
  --sunk:         #f0f0f5;
  --ink:          #0a0a0f;
  --muted:        #6b6b80;
  --faint:        #9a9aad;
  --line:         #e6e6ee;
  --accent:       #4f46e5;
  --accent-ink:   #4338ca;
  --accent-soft:  #eef2ff;
  --on-accent:    #ffffff;
  --radius:       8px;
  --radius-sm:    4px;
}

/* Tema escuro em três estados: o padrão do sistema não carimba atributo
   nenhum, então a media query precisa existir por si só — e o [data-theme]
   precisa vencer nos dois sentidos quando alguém escolhe explicitamente. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:       #0a0a0f;
    --surface:     #14141b;
    --sunk:        #1a1a23;
    --ink:         #f0f0f5;
    --muted:       #9a9aad;
    --faint:       #6b6b80;
    --line:        #26262f;
    --accent:      #8b84ff;
    --accent-ink:  #a5a0ff;
    --accent-soft: #1e1b3a;
    --on-accent:   #0a0a0f;
  }
}

:root[data-theme="dark"] {
  --paper:       #0a0a0f;
  --surface:     #14141b;
  --sunk:        #1a1a23;
  --ink:         #f0f0f5;
  --muted:       #9a9aad;
  --faint:       #6b6b80;
  --line:        #26262f;
  --accent:      #8b84ff;
  --accent-ink:  #a5a0ff;
  --accent-soft: #1e1b3a;
  --on-accent:   #0a0a0f;
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "DM Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.025em;
  text-wrap: balance;
}
h1 { font-size: clamp(34px, 6vw, 58px); line-height: 1.05; }
h2 { font-size: clamp(22px, 3vw, 30px); line-height: 1.15; }
h3 { font-size: 17px; letter-spacing: -0.015em; }

p { margin: 0; max-width: 62ch; }

a { color: inherit; }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.mono {
  font-family: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-variant-numeric: tabular-nums;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}

/* --------------------------------------------------------------------------
   Marca
   -------------------------------------------------------------------------- */

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.02em;
}

.brand .mark {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   Cabeçalho
   -------------------------------------------------------------------------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nav a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}

.nav a:hover { color: var(--ink); background: var(--sunk); }

/* --------------------------------------------------------------------------
   Botões
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 11px 20px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { opacity: 0.88; }

.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--surface); }
.btn-ghost:hover { background: var(--sunk); }

/* --------------------------------------------------------------------------
   Seções
   -------------------------------------------------------------------------- */

section { padding: 84px 0; }
section + section { border-top: 1px solid var(--line); }

.hero { padding: 104px 0 92px; }

.hero-inner { display: flex; flex-direction: column; gap: 26px; align-items: flex-start; }
.hero p.sub { font-size: 19px; color: var(--muted); max-width: 56ch; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; padding-top: 6px; }

.sec-head { display: flex; flex-direction: column; gap: 10px; margin-bottom: 36px; }
.sec-head p { font-size: 17px; color: var(--muted); }

/* --------------------------------------------------------------------------
   Passos numerados — a numeração aqui é real: o fluxo tem ordem, e quem lê
   precisa saber o que vem antes do quê.
   -------------------------------------------------------------------------- */

.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }

.step { background: var(--surface); padding: 26px 24px; display: flex; flex-direction: column; gap: 10px; }
.step .num {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px; font-weight: 700;
  color: var(--accent-ink);
  background: var(--accent-soft);
  align-self: flex-start;
  padding: 3px 9px;
  border-radius: var(--radius-sm);
}
.step p { font-size: 14.5px; color: var(--muted); }

/* --------------------------------------------------------------------------
   Cartões de recurso
   -------------------------------------------------------------------------- */

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 18px; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  display: flex; flex-direction: column; gap: 10px;
}
.card p { font-size: 14.5px; color: var(--muted); }

/* --------------------------------------------------------------------------
   Contato
   -------------------------------------------------------------------------- */

.contact { display: flex; flex-direction: column; gap: 22px; align-items: flex-start; }
.contact .mail {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: clamp(18px, 3.2vw, 26px);
  font-weight: 500;
  color: var(--accent-ink);
  text-decoration: none;
  border-bottom: 2px solid var(--accent-soft);
  padding-bottom: 2px;
  word-break: break-all;
}
.contact .mail:hover { border-bottom-color: var(--accent); }

/* --------------------------------------------------------------------------
   Rodapé
   -------------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
  padding: 44px 0;
}
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; align-items: flex-start; }
.site-footer p, .site-footer address {
  font-size: 13px; color: var(--faint); font-style: normal; line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Página de erro
   -------------------------------------------------------------------------- */

.centered {
  min-height: 72vh;
  display: flex; flex-direction: column;
  align-items: flex-start; justify-content: center;
  gap: 20px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

@media (max-width: 640px) {
  .hero { padding: 68px 0 60px; }
  section { padding: 60px 0; }
  .site-header .wrap { flex-wrap: wrap; padding-top: 14px; padding-bottom: 14px; }
}