/* Ember — site institucional.
   Tema claro para a página (leitura confortável, cara de produto) e o
   terminal mantido escuro, que é como um terminal de verdade se parece —
   o contraste entre os dois é o eixo visual do site. */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #ffffff;
  --bg-alt: #faf9f8;
  --surface: #ffffff;
  --line: #e7e4e0;
  --line-strong: #d6d1cb;

  --text: #1a1714;
  --text-muted: #5c554d;
  --text-faint: #8a8177;

  --ember: #c2410c;
  --ember-soft: #fdf2ec;
  --ember-line: #f2d3c0;

  --term-bg: #14100c;
  --term-surface: #1d1711;
  --term-line: #33291f;
  --term-text: #f0e7dc;
  --term-dim: #a2968a;
  --term-accent: #ff8a4c;
  --term-ok: #7ed99a;

  --radius: 10px;
  --radius-lg: 14px;
  --wrap: 1120px;

  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0; text-wrap: balance; }
p { margin: 0; }
a { color: inherit; }

::selection { background: var(--ember); color: #fff; }

:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 16px;
  top: 16px;
  z-index: 10;
  background: var(--text);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius);
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

/* -------------------------------------------------- nav */

.nav {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 0 4px var(--ember-soft);
}

.nav-links {
  display: flex;
  gap: 28px;
  margin-left: auto;
  font-size: 0.925rem;
  color: var(--text-muted);
}

.nav-links a {
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav-links a:hover { color: var(--ember); }

/* -------------------------------------------------- botões */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 42px;
  padding: 0 18px;
  border-radius: var(--radius);
  font-size: 0.925rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--ember);
  color: #fff;
  border: 1px solid var(--ember);
}
.btn-primary:hover { background: #a5350a; border-color: #a5350a; }

.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover { border-color: var(--ember); color: var(--ember); }

.nav-cta { height: 38px; padding: 0 14px; }

/* -------------------------------------------------- hero */

.hero {
  padding: 88px 0 72px;
  background:
    radial-gradient(720px 320px at 12% -10%, var(--ember-soft), transparent 70%),
    var(--bg);
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 16px;
}

h1 {
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  font-weight: 700;
  margin-bottom: 20px;
}

h1 .accent { color: var(--ember); }

.lede {
  font-size: 1.075rem;
  color: var(--text-muted);
  max-width: 52ch;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.cmd {
  display: flex;
  align-items: center;
  height: 42px;
  padding: 0 14px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow-x: auto;
}

.cmd code {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text);
  white-space: nowrap;
}

.cmd code::before {
  content: "$ ";
  color: var(--ember);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  font-size: 0.875rem;
  color: var(--text-faint);
}

.hero-facts li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-facts li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ember);
}

/* -------------------------------------------------- terminal */

.terminal {
  background: var(--term-bg);
  border: 1px solid var(--term-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 60px -30px rgba(26, 23, 20, 0.45);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: var(--term-surface);
  border-bottom: 1px solid var(--term-line);
}

.terminal-bar .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--term-line);
}

.terminal-path {
  margin-left: 10px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--term-dim);
}

.terminal-body {
  padding: 18px 20px 22px;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--term-text);
  overflow-x: auto;
}

.tl-user::before { content: "> "; color: var(--term-accent); }
.tl-tool { color: var(--term-accent); margin-top: 8px; }
.tl-tool::before { content: "● "; }
.tl-tool .detail { color: var(--term-dim); }
.tl-todo { padding-left: 22px; color: var(--term-dim); }
.tl-todo .mark { display: inline-block; width: 1.4em; }
.tl-todo.done { text-decoration: line-through; text-decoration-color: var(--term-line); }
.tl-todo.done .mark { color: var(--term-ok); }
.tl-todo.doing .mark { color: var(--term-accent); }
.tl-result { padding-left: 22px; color: var(--term-dim); }
.tl-result::before { content: "⎿ "; }
.tl-reply {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--term-line);
}

.cursor {
  display: inline-block;
  width: 0.5em;
  height: 1em;
  background: var(--term-accent);
  vertical-align: text-bottom;
  margin-left: 3px;
}

@media (prefers-reduced-motion: no-preference) {
  .cursor { animation: blink 1.1s steps(1) infinite; }
}

@keyframes blink { 50% { opacity: 0; } }

/* -------------------------------------------------- seções */

.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--line); }

.section-head {
  max-width: 62ch;
  margin-bottom: 44px;
}

.section-head h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  margin-bottom: 12px;
}

.section-head p { color: var(--text-muted); }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(288px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover { border-color: var(--line-strong); }

.card h3 {
  font-size: 1.025rem;
  margin-bottom: 10px;
}

.card p { color: var(--text-muted); font-size: 0.925rem; }

.card-guard { border-left: 3px solid var(--ember); }

/* -------------------------------------------------- ferramentas */

.tools { gap: 20px; }

.tool-group {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px 22px 10px;
}

.tool-group h3 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 16px;
}

.tool-group dl, .commands dl { margin: 0; }

.tool-group dt, .commands dt {
  font-family: var(--mono);
  font-size: 0.825rem;
  color: var(--text);
  margin-top: 14px;
}

.tool-group dd, .commands dd {
  margin: 4px 0 0;
  font-size: 0.85rem;
  color: var(--text-faint);
  padding-bottom: 8px;
}

/* -------------------------------------------------- passos */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.steps li {
  position: relative;
  padding-top: 44px;
  border-top: 2px solid var(--line);
}

.step-n {
  position: absolute;
  top: 14px;
  left: 0;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--ember);
}

.steps h3 { font-size: 1rem; margin-bottom: 8px; }
.steps p { font-size: 0.9rem; color: var(--text-muted); }

/* -------------------------------------------------- notas e instalação */

.note {
  margin-top: 24px;
  max-width: 68ch;
  color: var(--text-muted);
  font-size: 0.925rem;
}

.note-tight { margin-top: 16px; }

.note code, .commands dt {
  font-family: var(--mono);
}

.note code {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 0.85em;
  color: var(--ember);
}

.install-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.cmd-block {
  height: auto;
  padding: 16px 18px;
  border-radius: var(--radius-lg);
  background: var(--term-bg);
  border-color: var(--term-line);
}

.cmd-block code { color: var(--term-text); font-size: 0.875rem; }
.cmd-block code::before { color: var(--term-accent); }

.commands h3 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

/* -------------------------------------------------- rodapé */

.footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 56px;
  background: var(--bg-alt);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 28px;
  font-size: 0.875rem;
  color: var(--text-faint);
}

.footer .brand { font-size: 0.95rem; }
.footer-links { display: flex; gap: 20px; margin-left: auto; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--ember); }

/* -------------------------------------------------- responsivo */

@media (max-width: 900px) {
  .hero-inner, .install-grid { grid-template-columns: minmax(0, 1fr); }
  .hero { padding: 64px 0 56px; }
  .section { padding: 64px 0; }
  .nav-links { display: none; }
  .nav-inner { gap: 16px; }
  .nav-cta { margin-left: auto; }
}

@media (max-width: 560px) {
  .footer-links { margin-left: 0; }
  .cta-row .btn, .cta-row .cmd { width: 100%; }
}