/* ===== DESIGN SYSTEM "ARATU" (padrão Aratutec) — papel/tinta + terracotta ===== */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #f5f1e8;          /* off-white quente "papel" */
  --bg-2: #efe9dc;
  --panel: #fbf8f1;       /* card */
  --panel-2: #f3ddcf;     /* brand-soft */
  --text: #2b2420;        /* tinta */
  --muted: #7c7268;
  --accent: #c9542b;      /* TERRACOTTA (acento da marca) */
  --accent-2: #b34a24;
  --green: #1d7a36;
  --border: #ddd3c2;
  --radius: 0.5rem;
  --max: 72rem;
  --display: 'Fraunces', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-feature-settings: "ss01","cv11";
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}
main { flex: 1; width: 100%; margin: 0 auto; padding: 0; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; letter-spacing: -0.02em; }

/* ===== Navbar ===== */
.nav {
  width: 100%; max-width: var(--max); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem;
  position: sticky; top: 0; z-index: 40;
  background: rgba(245, 241, 232, 0.82);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand {
  font-family: var(--display); font-weight: 700; font-size: 1.3rem;
  letter-spacing: -0.02em; display: inline-flex; align-items: center; gap: .4rem;
}
.brand::before { content: "⚡"; font-size: 1.1rem; }
.brand-dot { margin-left: 6px; color: var(--accent); }
.nav-links a {
  color: var(--muted); margin-left: 1.4rem; font-weight: 500; font-size: .92rem;
  transition: color .15s;
}
.nav-links a:hover { color: var(--text); }

/* ===== Hero ===== */
.hero { padding: 1.5rem 1.5rem 1rem; max-width: var(--max); margin: 0 auto; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin: 0 0 .6rem; line-height: 1.05; }
.hero h1 em { font-style: normal; color: var(--accent); }
.lead { color: var(--muted); font-size: 1.08rem; max-width: 46rem; margin: 0 0 1.5rem; }

.cta { display: flex; gap: .75rem; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  background: var(--accent); color: var(--panel);
  padding: .7rem 1.25rem; border-radius: var(--radius); font-weight: 600; font-size: .95rem;
  border: 1px solid transparent; cursor: pointer; transition: filter .15s, background .2s;
  font-family: var(--sans);
}
.btn:hover { filter: brightness(1.07); }
.btn:active { transform: translateY(1px); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--panel); filter: none; }

/* ===== Section ===== */
.section { margin-top: 0; padding: 2.5rem 1.5rem; max-width: var(--max); margin: 0 auto; }
.section h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin: 0 0 .4rem; }
.section > p { color: var(--muted); margin: 0 0 1.5rem; }

/* ===== Cards (genericos - paginas template/agentes) ===== */
.grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: calc(var(--radius) + 2px);
  padding: 1.1rem; display: flex; flex-direction: column; gap: .35rem;
  transition: box-shadow .2s, border-color .2s;
}
.card:hover { box-shadow: 0 10px 30px -12px rgba(43,36,32,.25); border-color: var(--accent); }
.card-emoji { font-size: 1.6rem; }
.card-emoji.big { font-size: 2.6rem; }
.card-title { font-family: var(--display); font-weight: 600; font-size: 1.1rem; }
.card-cat {
  color: var(--muted); font-size: .68rem; text-transform: lowercase; font-weight: 500;
  font-family: var(--mono);
}
.card-desc { color: var(--muted); font-size: .85rem; line-height: 1.45; }

/* ===== Profile / Agent page ===== */
.profile, .profile-head, .chat-wrap { display: flex; flex-direction: column; gap: 1rem; }
.profile-head { flex-direction: row; align-items: center; gap: 1rem; padding: 1.5rem; }
.profile-head h1 { margin: 0; font-size: 2rem; }

.chat-head { flex-direction: row; align-items: center; gap: 1rem; display: flex; padding: 1.5rem 1.5rem 0; max-width: var(--max); margin: 0 auto;}
.chat-head h1 { margin: 0; font-size: 1.6rem; }

.chat {
  background: var(--panel); border: 1px solid var(--border); border-radius: calc(var(--radius) + 2px);
  padding: 1rem; min-height: 340px; max-height: 480px; overflow-y: auto;
  display: flex; flex-direction: column; gap: .6rem;
}
.msg { max-width: 80%; padding: .6rem .9rem; border-radius: 12px; font-size: .95rem; line-height: 1.45; }
.msg.bot { background: var(--bg-2); align-self: flex-start; border-bottom-left-radius: 4px; }
.msg.user { background: var(--accent); color: var(--panel); align-self: flex-end; border-bottom-right-radius: 4px; }
.msg.typing { opacity: .6; font-style: italic; }
.chat-form { display: flex; gap: .6rem; }
.chat-form input {
  flex: 1; background: var(--panel); border: 1px solid var(--border); color: var(--text);
  padding: .75rem 1rem; border-radius: var(--radius); font-size: .95rem; outline: none; font-family: var(--sans);
}
.chat-form input:focus { border-color: var(--accent); }
.chat-wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.5rem 3rem; }

/* ===== Footer ===== */
.footer {
  width: 100%; max-width: var(--max); margin: 0 auto;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem;
  padding: 1.5rem; margin-top: 2rem;
  color: var(--muted); font-size: .85rem; border-top: 1px solid var(--border);
}
.footer a { color: var(--muted); }
.footer a:hover { color: var(--accent); }

/* ===== 404 ===== */
.err404 { text-align: center; padding: 5rem 1.5rem; }
.err404 .big { font-family: var(--display); font-size: 4rem; color: var(--accent); margin: 0; }

/* container helper */
.container { max-width: var(--max); margin: 0 auto; padding: 0 1.5rem; }

@media (max-width: 560px) {
  .nav-links a { margin-left: 1rem; }
  .profile-head, .chat-head { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  .card, .btn { transition: none !important; }
}