:root {
  --bg: #f7f9fb;
  --surface: #ffffff;
  --surface-2: #eef2f6;
  --text: #1a2330;
  --text-muted: #5b6b7f;
  --border: #d8e0e8;
  --accent: #0b6e4f;
  --accent-contrast: #ffffff;
  --accent-soft: #e3f2ec;
  --danger: #b3261e;
  --danger-soft: #fbe9e7;
  --warn-soft: #fff4e0;
  --warn: #8a5a00;
  --code-bg: #10161f;
  --code-text: #e6edf3;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.08), 0 4px 16px rgba(16, 24, 40, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e141b;
    --surface: #161d26;
    --surface-2: #1e2733;
    --text: #e6edf3;
    --text-muted: #94a5b8;
    --border: #2b3645;
    --accent: #34c08b;
    --accent-contrast: #06281c;
    --accent-soft: #123527;
    --danger: #ff7b72;
    --danger-soft: #3a1512;
    --warn-soft: #362a10;
    --warn: #e8b04a;
    --code-bg: #0a0f16;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

code, pre, .mono {
  font-family: ui-monospace, SFMono-Regular, "Cascadia Code", Consolas, Menlo, monospace;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */
header.site {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

header.site .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.logo {
  font-weight: 800;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--text);
  white-space: nowrap;
}

.logo span { color: var(--accent); }

nav.main {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

nav.main a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 8px;
}

nav.main a:hover {
  color: var(--text);
  background: var(--surface-2);
}

/* ---------- Hero ---------- */
.hero {
  padding: 56px 0 8px;
  text-align: center;
}

.hero .badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(1.7rem, 4.5vw, 2.6rem);
  line-height: 1.2;
  margin: 0 0 12px;
}

.hero p.lead {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- Cards / sections ---------- */
section.block { padding: 32px 0; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}

h2 {
  font-size: 1.45rem;
  margin: 0 0 6px;
}

.subtitle {
  color: var(--text-muted);
  margin: 0 0 20px;
  font-size: 0.95rem;
}

/* ---------- Validator ---------- */
.input-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.input-row input[type="text"] {
  flex: 1 1 260px;
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  text-transform: uppercase;
  min-width: 0;
}

.input-row input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
}

button {
  font: inherit;
  font-weight: 700;
  border: none;
  border-radius: 10px;
  padding: 12px 22px;
  cursor: pointer;
  background: var(--accent);
  color: var(--accent-contrast);
}

button:hover { filter: brightness(1.08); }

button.ghost {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

button.small {
  padding: 6px 12px;
  font-size: 0.85rem;
  border-radius: 8px;
}

.result {
  margin-top: 18px;
  border-radius: 10px;
  padding: 16px 18px;
  display: none;
  border: 1px solid transparent;
}

.result.ok {
  display: block;
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

.result.bad {
  display: block;
  background: var(--danger-soft);
  border-color: color-mix(in srgb, var(--danger) 40%, transparent);
}

.result .verdict {
  font-weight: 800;
  font-size: 1.05rem;
}

.result.ok .verdict { color: var(--accent); }
.result.bad .verdict { color: var(--danger); }

.result .details {
  margin: 6px 0 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.result .details strong { color: var(--text); }

details.steps {
  margin-top: 12px;
  font-size: 0.9rem;
}

details.steps summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--accent);
}

.steps-table-wrap { overflow-x: auto; margin-top: 10px; }

table.steps-table {
  border-collapse: collapse;
  font-size: 0.82rem;
  white-space: nowrap;
}

table.steps-table th,
table.steps-table td {
  border: 1px solid var(--border);
  padding: 4px 9px;
  text-align: center;
}

table.steps-table th:first-child,
table.steps-table td:first-child {
  text-align: left;
  font-weight: 700;
}

.steps-summary { margin: 8px 0 14px; }

/* ---------- Batch ---------- */
textarea {
  width: 100%;
  min-height: 140px;
  font-family: ui-monospace, SFMono-Regular, "Cascadia Code", Consolas, Menlo, monospace;
  font-size: 0.95rem;
  padding: 12px 14px;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  resize: vertical;
}

textarea:focus { outline: none; border-color: var(--accent); }

.batch-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.batch-summary {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.batch-results { margin-top: 14px; overflow-x: auto; }

table.batch-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

table.batch-table th,
table.batch-table td {
  border-bottom: 1px solid var(--border);
  padding: 7px 10px;
  text-align: left;
}

table.batch-table td.status-ok { color: var(--accent); font-weight: 700; }
table.batch-table td.status-bad { color: var(--danger); font-weight: 700; }

/* ---------- Generator ---------- */
.gen-controls {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 16px;
}

.gen-controls label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
}

.gen-controls input[type="number"] {
  width: 70px;
  font: inherit;
  padding: 7px 10px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
}

.gen-controls input[type="checkbox"] { accent-color: var(--accent); width: 16px; height: 16px; }

.gen-output {
  margin-top: 14px;
  display: none;
}

.gen-output.show { display: block; }

.gen-list {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 0;
  max-height: 320px;
  overflow-y: auto;
  margin: 0 0 12px;
  list-style: none;
}

.gen-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  font-size: 1rem;
  letter-spacing: 0.05em;
}

.gen-list li:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }

.copy-feedback {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
}

.note {
  background: var(--warn-soft);
  color: var(--warn);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.88rem;
  margin-top: 14px;
}

/* ---------- Info sections ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.info-item h3 { margin: 0 0 6px; font-size: 1.02rem; }
.info-item p { margin: 0; color: var(--text-muted); font-size: 0.93rem; }

.timeline {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}

.timeline li {
  position: relative;
  padding: 0 0 18px 26px;
  border-left: 2px solid var(--border);
  margin-left: 8px;
}

.timeline li:last-child { padding-bottom: 0; }

.timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
}

.timeline .when { font-weight: 800; }
.timeline p { margin: 2px 0 0; color: var(--text-muted); font-size: 0.92rem; }

/* ---------- Code / reference ---------- */
.tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: -1px;
}

.tabs button {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  border-radius: 8px 8px 0 0;
  padding: 8px 16px;
  font-size: 0.9rem;
}

.tabs button.active {
  background: var(--code-bg);
  color: var(--code-text);
}

.code-panel {
  position: relative;
  display: none;
}

.code-panel.active { display: block; }

pre.code {
  background: var(--code-bg);
  color: var(--code-text);
  border-radius: 0 10px 10px 10px;
  padding: 18px 20px;
  overflow-x: auto;
  font-size: 0.84rem;
  line-height: 1.55;
  margin: 0;
}

.code-panel .copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(255, 255, 255, 0.12);
  color: #e6edf3;
  font-size: 0.78rem;
  padding: 5px 10px;
  border-radius: 6px;
}

table.ref-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.9rem;
  margin-top: 10px;
}

table.ref-table th,
table.ref-table td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
}

table.ref-table th { background: var(--surface-2); }

.ref-table-wrap { overflow-x: auto; }

/* ---------- FAQ ---------- */
details.faq {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

details.faq summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 1rem;
}

details.faq p {
  margin: 10px 0 0;
  color: var(--text-muted);
  font-size: 0.94rem;
}

/* ---------- Footer ---------- */
footer.site {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding: 28px 0 40px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

footer.site a { color: var(--accent); }

/* ---------- Diagnóstico (página de vendas) ---------- */
nav.main a.nav-cta {
  color: var(--accent);
  background: var(--accent-soft);
}

.hero-cta { margin-top: 22px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn-link {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 700;
  text-decoration: none;
  padding: 12px 24px;
  border-radius: 10px;
}

.btn-link:hover { filter: brightness(1.08); }

.btn-link.ghost-link {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.how-steps {
  list-style: none;
  counter-reset: step;
  padding: 0;
  margin: 0;
}

.how-steps li {
  position: relative;
  counter-increment: step;
  padding: 0 0 22px 58px;
}

.how-steps li:last-child { padding-bottom: 0; }

.how-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.how-steps h3 { margin: 6px 0 6px; font-size: 1.05rem; }
.how-steps p { margin: 0; color: var(--text-muted); font-size: 0.94rem; }

.lgpd-note {
  margin-top: 22px;
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 0.93rem;
}

.price-card { border: 2px solid var(--accent); }

.price-line {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 10px 0 14px;
}

.price-value {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--accent);
}

.price-per { color: var(--text-muted); font-weight: 600; }

.price-includes {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}

.price-includes li {
  padding: 5px 0;
  font-size: 0.95rem;
}

.cta-box {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 22px;
}

.cta-title { margin: 0 0 4px; font-weight: 800; font-size: 1.05rem; }
.cta-sub { margin: 0 0 14px; color: var(--text-muted); font-size: 0.94rem; }

.lead-row { display: flex; gap: 10px; flex-wrap: wrap; }

.lead-row input[type="email"] {
  flex: 1 1 240px;
  font: inherit;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  min-width: 0;
}

.lead-row input[type="email"]:focus { outline: none; border-color: var(--accent); }

.lead-extra {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.lead-extra select {
  font: inherit;
  padding: 7px 10px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
}

.lead-feedback { margin: 12px 0 0; font-weight: 700; font-size: 0.95rem; display: none; }
.lead-feedback.ok { display: block; color: var(--accent); }
.lead-feedback.bad { display: block; color: var(--danger); }

.lead-privacy { margin: 12px 0 0; font-size: 0.8rem; color: var(--text-muted); }

@media (max-width: 640px) {
  .card { padding: 20px 16px; }
  .hero { padding-top: 36px; }
  nav.main { display: none; }
}