/* ==========================================================================
   Linha Fixa — site.css
   Tech/utility premium · system sans + mono · single accent (#0F5A94)
   Palette anchors from the brief: #F2F6FA / #FFFFFF / #0E2236 / #0F5A94 /
   #0E9F6E (availability only) / #081A2C (dark band). Derived shades in oklch.
   ========================================================================== */

:root {
  /* Brand anchors (exact) */
  --bg: #F2F6FA;
  --surface: #FFFFFF;
  --ink: #0E2236;
  --navy: #081A2C;
  --accent: #0F5A94;
  --green: #0E9F6E;

  /* Derived (oklch) */
  --muted: oklch(0.49 0.035 250);
  --muted-faint: oklch(0.60 0.028 250);
  --border: oklch(0.90 0.012 250);
  --border-strong: oklch(0.81 0.02 250);

  --accent-strong: oklch(0.33 0.10 248);
  --accent-soft: oklch(0.95 0.02 250);
  --accent-ring: oklch(0.60 0.12 248 / 0.35);

  --green-ink: oklch(0.44 0.10 165);
  --green-soft: oklch(0.955 0.045 165);
  --green-line: oklch(0.86 0.05 165);

  --amber-ink: oklch(0.47 0.12 65);
  --amber-soft: oklch(0.955 0.055 88);
  --amber-line: oklch(0.87 0.06 85);

  --navy-2: oklch(0.185 0.03 250);
  --navy-border: oklch(0.30 0.035 250);
  --navy-muted: oklch(0.72 0.02 250);
  --navy-fg: oklch(0.94 0.01 250);

  /* Type */
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  /* Geometry */
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 18px;
  --pill: 999px;
  --shadow-sm: 0 1px 2px oklch(0.25 0.03 250 / 0.05), 0 2px 6px oklch(0.25 0.03 250 / 0.04);
  --shadow-md: 0 1px 2px oklch(0.25 0.03 250 / 0.05), 0 16px 40px oklch(0.25 0.03 250 / 0.10);
  --container: 1200px;
  --gutter: clamp(20px, 4vw, 32px);
}

/* ---------------------------------------------------------------- reset */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
html, body { overflow-x: clip; }
body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-strong); }

::selection { background: oklch(0.88 0.06 248); color: var(--ink); }

/* ---------------------------------------------------------- accessibility */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 12px; top: -64px; z-index: 100;
  background: var(--ink); color: #fff; padding: 12px 16px; border-radius: var(--r-sm);
  font-weight: 600; text-decoration: none; transition: top 0.15s ease;
}
.skip-link:focus { top: 12px; color: #fff; }

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

/* ----------------------------------------------------------------- layout */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(56px, 8vw, 104px); }
.section-tight { padding-block: clamp(40px, 6vw, 72px); }
.section-head { max-width: 720px; margin-bottom: clamp(32px, 5vw, 56px); }
.section-head h2 { margin-bottom: 12px; }
.section-head .lead { margin-top: 12px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .lead { margin-inline: auto; }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }

/* -------------------------------------------------------------- type */
h1, h2, h3, h4 {
  font-weight: 700; color: var(--ink); line-height: 1.1;
  letter-spacing: -0.02em; text-wrap: balance;
}
h1 { font-size: clamp(2.1rem, 1.35rem + 3.4vw, 3.9rem); letter-spacing: -0.032em; }
h2 { font-size: clamp(1.5rem, 1.15rem + 1.6vw, 2.4rem); letter-spacing: -0.025em; }
h3 { font-size: 1.125rem; letter-spacing: -0.015em; }
h4 { font-size: 1rem; letter-spacing: -0.01em; }

.lead { font-size: clamp(1.0625rem, 1rem + 0.4vw, 1.25rem); color: var(--muted); line-height: 1.55; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; color: var(--muted); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 18px; height: 1px; background: var(--accent); }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.num-lg { font-family: var(--font-mono); font-weight: 600; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------------------- header */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: oklch(1 0 0 / 0.88);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand-mark { flex: none; }
.brand-name { font-weight: 700; font-size: 1.125rem; letter-spacing: -0.02em; }
.brand-name .dot { color: var(--accent); }

.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav a {
  padding: 8px 12px; border-radius: 8px; text-decoration: none;
  color: var(--muted); font-size: 0.9375rem; font-weight: 500;
}
.main-nav a:hover { color: var(--ink); background: oklch(0.96 0.008 250); }
.main-nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }
.nav-mobile-only { display: none; }

.header-actions { display: flex; align-items: center; gap: 10px; }
.header-login { text-decoration: none; color: var(--ink); font-weight: 600; font-size: 0.9375rem; padding: 8px 6px; }
.header-login:hover { color: var(--accent); }

.nav-toggle {
  display: none; align-items: center; justify-content: center;
  width: 44px; height: 44px; border: 1px solid var(--border-strong);
  border-radius: var(--r-sm); background: var(--surface); cursor: pointer; color: var(--ink);
}
.nav-toggle .icon-close { display: none; }
.nav-toggle.is-open .icon-close { display: block; }
.nav-toggle.is-open .icon-open { display: none; }

/* --------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: 1rem; line-height: 1; text-decoration: none;
  border-radius: var(--r-sm); border: 1px solid transparent;
  padding: 13px 20px; min-height: 48px; cursor: pointer;
  transition: background-color 0.16s ease, border-color 0.16s ease, transform 0.08s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-strong); color: #fff; }

.btn-secondary { background: var(--surface); color: var(--ink); border-color: var(--border-strong); }
.btn-secondary:hover { border-color: oklch(0.55 0.04 250); background: oklch(0.975 0.004 250); color: var(--ink); }

.btn-ghost { background: transparent; color: var(--accent); border-color: transparent; }
.btn-ghost:hover { background: var(--accent-soft); color: var(--accent-strong); }

.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: oklch(0.93 0.005 250); color: var(--ink); }

.btn-outline-light { background: transparent; color: var(--navy-fg); border-color: var(--navy-border); }
.btn-outline-light:hover { border-color: var(--navy-fg); color: #fff; background: oklch(0.22 0.03 250); }

.btn-lg { padding: 16px 24px; font-size: 1.0625rem; min-height: 56px; }
.btn-sm { padding: 9px 16px; font-size: 0.875rem; min-height: 40px; }
.btn-block { width: 100%; }

.btn .icon { flex: none; }

/* ------------------------------------------------------- pills / status */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: var(--pill);
  font-size: 0.8125rem; font-weight: 600; line-height: 1.4;
  border: 1px solid var(--border); background: var(--surface); color: var(--ink);
}
.dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.dot-green { background: var(--green); }
.dot-amber { background: var(--amber-ink); }
.dot-muted { background: var(--muted-faint); }

.pill-green { color: var(--green-ink); background: var(--green-soft); border-color: var(--green-line); }
.pill-amber { color: var(--amber-ink); background: var(--amber-soft); border-color: var(--amber-line); }
.pill-neutral { color: var(--muted); }

.pill .dot-pulse { animation: pulse 2s ease-out infinite; }
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 oklch(0.55 0.14 165 / 0.5); }
  70%  { box-shadow: 0 0 0 7px oklch(0.55 0.14 165 / 0); }
  100% { box-shadow: 0 0 0 0 oklch(0.55 0.14 165 / 0); }
}
@keyframes pulse-amber {
  0%   { box-shadow: 0 0 0 0 oklch(0.62 0.14 70 / 0.5); }
  70%  { box-shadow: 0 0 0 7px oklch(0.62 0.14 70 / 0); }
  100% { box-shadow: 0 0 0 0 oklch(0.62 0.14 70 / 0); }
}
.pill .dot-pulse-amber { animation: pulse-amber 2s ease-out infinite; }

/* ------------------------------------------------------------------ cards */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); box-shadow: var(--shadow-sm);
}
.card-pad { padding: 24px; }
.card-pad-lg { padding: 28px; }

/* ------------------------------------------------------------------- hero */
.hero { position: relative; padding-block: clamp(56px, 8vw, 112px); overflow: clip; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(oklch(0.20 0.03 250 / 0.045) 1px, transparent 1px),
    linear-gradient(90deg, oklch(0.20 0.03 250 / 0.045) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(80% 70% at 70% 0%, #000 0%, transparent 78%);
  mask-image: radial-gradient(80% 70% at 70% 0%, #000 0%, transparent 78%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(60% 55% at 78% -8%, oklch(0.90 0.06 245 / 0.55), transparent 70%);
}
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr); gap: clamp(32px, 6vw, 72px); align-items: center; }
.hero-copy .lead { max-width: 46ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }

/* DDD lookup card */
.ddd-card { position: relative; padding: 24px; }
.ddd-card .ddd-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.ddd-form { display: flex; gap: 10px; }
.ddd-input {
  width: 96px; text-align: center; font-family: var(--font-mono);
  font-size: 1.375rem; font-weight: 600; letter-spacing: 0.06em;
  border: 1px solid var(--border-strong); border-radius: var(--r-sm);
  padding: 12px 8px; background: var(--surface); min-height: 56px;
}
.ddd-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); outline: none; }
.ddd-hint { margin-top: 10px; font-size: 0.8125rem; color: var(--muted-faint); }
.ddd-results { margin-top: 18px; border-top: 1px solid var(--border); padding-top: 18px; }
.ddd-results[hidden] { display: none; }
.number-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--r-sm);
}
.number-row + .number-row { margin-top: 8px; }
.number-row .num { font-family: var(--font-mono); font-size: 1.0625rem; font-weight: 600; }
.ddd-empty { color: var(--muted); font-size: 0.9375rem; }

/* ------------------------------------------------------------ proof strip */
.proof-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.proof {
  border: 1px solid var(--border); border-radius: var(--r-md);
  background: var(--surface); padding: 24px; box-shadow: var(--shadow-sm);
}
.proof .num { font-size: clamp(1.75rem, 1.2rem + 2vw, 2.4rem); }
.proof .label { margin-top: 6px; color: var(--muted); }
.proof .sub { margin-top: 10px; font-size: 0.875rem; color: var(--muted-faint); }

/* ---------------------------------------------------------- feature items */
.feature-card { padding: 26px; display: flex; flex-direction: column; gap: 12px; }
.feature-icon {
  width: 42px; height: 42px; border-radius: var(--r-sm); flex: none;
  display: grid; place-items: center; color: var(--accent);
  background: var(--accent-soft); border: 1px solid oklch(0.88 0.03 248);
}
.feature-card h3 { margin-top: 2px; }
.feature-card p { color: var(--muted); font-size: 0.9375rem; }

/* --------------------------------------------------------------- lists */
.check-list { list-style: none; padding: 0; display: grid; gap: 10px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink); }
.check-list .check { flex: none; width: 20px; height: 20px; margin-top: 2px; color: var(--green-ink); }
.check-list .muted { color: var(--muted); }

/* --------------------------------------------------------------- tables */
.table-wrap {
  overflow-x: auto; border: 1px solid var(--border); border-radius: var(--r-md);
  background: var(--surface); box-shadow: var(--shadow-sm);
}
.table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; min-width: 560px; }
.table th, .table td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table thead th {
  background: oklch(0.965 0.008 250); font-weight: 600; font-size: 0.8125rem;
  letter-spacing: 0.02em; text-transform: uppercase; color: var(--muted);
}
.table tbody tr:last-child td { border-bottom: 0; }
.table td.num, .table th.num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.table .check { color: var(--green-ink); display: inline-flex; }
.table .dash { color: var(--muted-faint); }

/* ----------------------------------------------------------------- steps */
.steps { display: grid; gap: 14px; }
.step {
  display: grid; grid-template-columns: 46px 1fr; gap: 18px; align-items: start;
  padding: 20px; border: 1px solid var(--border); border-radius: var(--r-md);
  background: var(--surface); box-shadow: var(--shadow-sm);
}
.step-num {
  width: 46px; height: 46px; display: grid; place-items: center;
  font-family: var(--font-mono); font-weight: 600; font-size: 1rem;
  color: var(--accent); background: var(--accent-soft);
  border: 1px solid oklch(0.88 0.03 248); border-radius: var(--r-sm);
}
.step h3 { margin-bottom: 4px; }
.step p { color: var(--muted); font-size: 0.9375rem; }
.steps-horizontal { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.steps-horizontal .step { grid-template-columns: 1fr; gap: 14px; }

/* --------------------------------------------------------------- pricing */
.plan-card { padding: 26px; display: flex; flex-direction: column; position: relative; }
.plan-card.featured { border-color: var(--accent); box-shadow: var(--shadow-md); }
.plan-tag {
  position: absolute; top: -13px; left: 24px;
  font-family: var(--font-mono); font-size: 0.6875rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: #fff; background: var(--accent); padding: 5px 10px; border-radius: var(--pill);
}
.plan-name { font-size: 1.0625rem; font-weight: 700; }
.plan-price { margin: 14px 0 4px; display: flex; align-items: baseline; gap: 6px; }
.plan-price .currency { font-size: 1rem; color: var(--muted); font-weight: 500; }
.plan-price .value { font-family: var(--font-mono); font-size: 2.5rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1; }
.plan-price .period { font-size: 0.9375rem; color: var(--muted); }
.plan-audience { font-size: 0.875rem; color: var(--muted); margin-bottom: 16px; }
.plan-card .check-list { margin-bottom: 22px; }
.plan-card .btn { margin-top: auto; }

/* ------------------------------------------------------------------- faq */
.faq { display: grid; gap: 12px; }
.faq details {
  border: 1px solid var(--border); border-radius: var(--r-md);
  background: var(--surface); box-shadow: var(--shadow-sm);
}
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 20px; cursor: pointer; list-style: none;
  font-weight: 600; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { background: oklch(0.975 0.005 250); }
.faq .faq-icon {
  flex: none; width: 24px; height: 24px; position: relative; color: var(--muted);
}
.faq .faq-icon::before, .faq .faq-icon::after {
  content: ""; position: absolute; background: currentColor; border-radius: 2px;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.faq .faq-icon::before { width: 14px; height: 2px; }
.faq .faq-icon::after { width: 2px; height: 14px; transition: transform 0.16s ease; }
.faq details[open] .faq-icon::after { transform: translate(-50%, -50%) scaleY(0); }
.faq .faq-body { padding: 0 20px 20px; color: var(--muted); max-width: 72ch; }
.faq .faq-body p + p { margin-top: 10px; }

/* ----------------------------------------------------------------- forms */
.field { display: grid; gap: 7px; }
.field label, .field .label { font-weight: 600; font-size: 0.875rem; }
.field .req { color: var(--accent); }
.input, select, textarea {
  width: 100%; border: 1px solid var(--border-strong); border-radius: var(--r-sm);
  padding: 12px 14px; background: var(--surface); min-height: 48px; font-size: 1rem;
}
.input:focus, select:focus, textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); outline: none;
}
.field-hint { font-size: 0.8125rem; color: var(--muted-faint); }
.input-error { border-color: oklch(0.5 0.18 28); }
.field-error { font-size: 0.8125rem; color: oklch(0.5 0.18 28); }

.radio-card { position: relative; }
.radio-card input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; cursor: pointer; }
.radio-card .radio-body {
  border: 1px solid var(--border-strong); border-radius: var(--r-md);
  padding: 18px; background: var(--surface); display: flex; gap: 14px; align-items: flex-start;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.radio-card input:checked + .radio-body { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); }
.radio-card input:focus-visible + .radio-body { outline: 2px solid var(--accent); outline-offset: 2px; }
.radio-dot {
  flex: none; width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid var(--border-strong); margin-top: 2px; position: relative;
}
.radio-card input:checked + .radio-body .radio-dot { border-color: var(--accent); }
.radio-card input:checked + .radio-body .radio-dot::after {
  content: ""; position: absolute; inset: 3px; border-radius: 50%; background: var(--accent);
}

/* -------------------------------------------------------------- cta band */
.cta-band {
  background: var(--navy); color: var(--navy-fg);
  border-radius: var(--r-lg); padding: clamp(32px, 6vw, 64px);
  display: grid; grid-template-columns: 1.4fr auto; gap: 32px; align-items: center;
}
.cta-band h2 { color: #fff; }
.cta-band .lead { color: var(--navy-muted); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------------------------------------------------------- dark section */
.section-dark { background: var(--navy); color: var(--navy-fg); }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .lead { color: var(--navy-muted); }
.section-dark .eyebrow { color: var(--navy-muted); }
.section-dark .eyebrow::before { background: var(--navy-muted); }
.section-dark .card { background: var(--navy-2); border-color: var(--navy-border); color: var(--navy-fg); }
.section-dark .card h3 { color: #fff; }
.section-dark .card p { color: var(--navy-muted); }
.section-dark .feature-card .feature-icon { background: oklch(0.24 0.04 250); border-color: var(--navy-border); color: var(--navy-fg); }
.section-dark .step { background: var(--navy-2); border-color: var(--navy-border); }
.section-dark .step h3 { color: #fff; }
.section-dark .step p { color: var(--navy-muted); }
.section-dark .step-num { color: var(--navy-fg); background: oklch(0.24 0.04 250); border-color: var(--navy-border); }
.section-dark .table-wrap { background: var(--navy-2); border-color: var(--navy-border); }
.section-dark .table th, .section-dark .table td { color: var(--navy-fg); border-color: var(--navy-border); }
.section-dark .table thead th { background: oklch(0.23 0.035 250); color: var(--navy-muted); }

/* ---------------------------------------------------------------- footer */
.site-footer { background: var(--navy); color: var(--navy-muted); padding: 64px 0 32px; }
.site-footer a { color: var(--navy-muted); text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px;
}
.footer-brand .brand { color: #fff; }
.footer-brand p { margin-top: 16px; max-width: 36ch; font-size: 0.9375rem; }
.footer-col h4 { color: #fff; font-size: 0.8125rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col ul { list-style: none; padding: 0; display: grid; gap: 10px; font-size: 0.9375rem; }
.footer-bottom {
  border-top: 1px solid var(--navy-border); margin-top: 48px; padding-top: 24px;
  font-size: 0.8125rem; color: var(--navy-muted); line-height: 1.8;
}
.footer-bottom .mono { color: var(--navy-fg); }
.footer-contact { display: grid; gap: 6px; margin-top: 20px; font-size: 0.9375rem; }

/* --------------------------------------------------------------- utilities */
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; } .mt-64 { margin-top: 64px; }
.mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.text-center { text-align: center; }
.flex { display: flex; } .items-center { align-items: center; } .gap-8 { gap: 8px; }
.gap-12 { gap: 12px; } .gap-16 { gap: 16px; } .wrap { flex-wrap: wrap; }
.nowrap { white-space: nowrap; }
.hidden { display: none !important; }

/* -------------------------------------------------------------- responsive */
@media (max-width: 1023px) {
  .nav-toggle { display: inline-flex; }
  .header-login { display: none; }
  .nav-mobile-only { display: block; }
  .main-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--surface); border-bottom: 1px solid var(--border);
    padding: 10px var(--gutter) 18px; box-shadow: var(--shadow-md);
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 14px; font-size: 1rem; }
  .hero-grid { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .cta-band { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .steps-horizontal { grid-template-columns: 1fr; }
}

@media (min-width: 640px) and (max-width: 1023px) {
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps-horizontal { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 639px) {
  .proof-strip { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-actions .btn { width: 100%; }
  .ddd-form { flex-direction: column; }
  .ddd-input { width: 100%; }
  .plan-card.featured { margin-top: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* ---- consulta de números (integração do app) ---- */
.ddd-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;max-height:230px;overflow:auto;margin-top:10px}
.ddd-item{border:1px solid var(--border);background:var(--surface);border-radius:10px;padding:9px 8px;
  font-family:var(--font-mono);font-size:.82rem;color:var(--ink);cursor:pointer;text-align:center;transition:.15s}
.ddd-item:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.ddd-empty{font-size:.85rem;color:var(--muted);border:1px dashed var(--border-strong);border-radius:10px;padding:12px;text-align:center}
@media (max-width:520px){.ddd-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---- polimento ---- */
.ddd-title{align-items:flex-start;gap:12px;flex-wrap:wrap}
.ddd-title .pill{font-size:.72rem;padding:4px 10px}
.hero-badges{align-items:center;gap:8px}
.hero-badges .pill{display:inline-flex;align-items:center;gap:8px;line-height:1;padding:8px 12px}
.header-actions .btn-sm{min-height:38px;display:inline-flex;align-items:center}
@media (max-width:520px){
  .ddd-title .pill{font-size:.68rem}
  .hero-badges .pill{font-size:.78rem;padding:6px 10px}
}

/* respiro antes do rodapé */
main#conteudo > section:last-child{padding-bottom:clamp(40px,6vw,72px)}

/* ---- checkout (multi-número) ---- */
.checkout-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start}
.checkout-main{display:grid;gap:16px}
.checkout-panel{padding:clamp(20px,2.5vw,28px)}
.stepper{display:flex;gap:8px;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.stepper-item{flex:1;min-width:150px;display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);opacity:.75}
.stepper-num{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--border-strong);font-size:.75rem;font-weight:700;color:var(--muted);flex:none}
.stepper-label{font-size:.85rem;font-weight:600}
.stepper-item.is-active{opacity:1;border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.stepper-item.is-active .stepper-num{background:var(--accent);border-color:var(--accent);color:#fff}
.stepper-item.is-done{opacity:1}
.stepper-item.is-done .stepper-num{background:var(--green);border-color:var(--green);color:#fff}
.summary-row{display:flex;justify-content:space-between;gap:12px;font-size:.9rem;padding:8px 0;color:var(--muted)}
.summary-row .v{color:var(--ink);font-weight:600}
.summary-total{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-top:10px;padding-top:12px;border-top:1px dashed var(--border-strong);font-weight:700}
.summary-total .v{font-size:1.2rem}
.seal{display:flex;gap:10px;align-items:flex-start;background:var(--green-soft);border:1px solid var(--green-line);border-radius:var(--r-md);padding:12px 14px;color:var(--green-ink)}
.seal svg{flex:none;margin-top:2px}
.hr{border:0;border-top:1px solid var(--border);margin-block:24px}
.ddd-item.is-selected{background:var(--accent);border-color:var(--accent);color:#fff}
@media (max-width:960px){.checkout-layout{grid-template-columns:1fr}}

/* ---- página de pagamento (PIX) ---- */
.pix-box{display:grid;gap:16px;justify-items:center;text-align:center}
.pix-qr{width:220px;height:220px;background:#fff;border:1px solid var(--border);border-radius:14px;padding:10px}
.pix-code{width:100%;font-family:var(--font-mono);font-size:.72rem;word-break:break-all;background:var(--bg);
  border:1px dashed var(--border-strong);border-radius:10px;padding:10px;color:var(--muted);max-height:74px;overflow:auto}
.alert{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:12px;font-size:.88rem;border:1px solid transparent}
.alert svg{width:18px;height:18px;flex:none;margin-top:2px}
.alert--info{background:var(--accent-soft);color:var(--accent-strong);border-color:var(--border)}
.alert--ok{background:var(--green-soft);color:var(--green-ink)}
.alert--warn{background:var(--amber-soft);color:var(--amber-ink)}
.alert--danger{background:#fdecea;color:#8e2a20}
.loader{width:18px;height:18px;border-radius:50%;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;animation:lfspin .8s linear infinite}
@keyframes lfspin{to{transform:rotate(360deg)}}

/* ---- assinatura de marca (logo) ---- */
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{width:42px;height:42px;flex:none;border-radius:10px;box-shadow:0 1px 2px rgba(14,34,54,.12)}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-word{font-size:1.3rem;font-weight:800;letter-spacing:-.035em;color:var(--ink)}
.brand-word .b-dot{color:#2FB765;font-weight:900}
.brand-word .b-fixa{color:var(--accent)}
.brand-tag{font-size:.54rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-top:5px}
.brand--dark .brand-word{color:#fff}
.brand--dark .brand-word .b-fixa{color:#9CC9EC}
.brand--dark .brand-word .b-dot{color:#5FD08A}
.brand--dark .brand-tag{color:rgba(255,255,255,.55)}
@media (max-width:1080px){.brand-tag{display:none}.brand-mark{width:38px;height:38px}.brand-word{font-size:1.18rem}}