/* ============================================================================
 * DIIA WIZARD · STYLES
 * Mobile-first. Tudo nasce em ~360px e progressivamente cresce.
 * Toque grande, gestos suportados, animações leves, sem firula.
 * ========================================================================== */

/* ─── tokens ────────────────────────────────────────────────────────────── */
:root {
  --bg: #faf9f7;
  --surface: #ffffff;
  --surface-2: #f3f1ec;
  --surface-3: #e8e5dd;
  --ink: #0f0f0e;
  --ink-2: #5a5955;
  --ink-3: #94928a;
  --line: rgba(15, 15, 14, 0.10);
  --line-2: rgba(15, 15, 14, 0.22);

  --info-bg: #e6f1fb;
  --info-fg: #0c447c;
  --success-bg: #eaf3de;
  --success-fg: #3b6d11;
  --danger-bg: #fcebeb;
  --danger-fg: #791f1f;
  --warning-bg: #faeeda;
  --warning-fg: #854f0b;

  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  --shadow-1: 0 1px 0 rgba(15, 15, 14, 0.04);
  --shadow-2: 0 6px 18px rgba(15, 15, 14, 0.06);

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --easing: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 120ms var(--easing);
  --t: 220ms var(--easing);
  --t-slow: 360ms var(--easing);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0d0c;
    --surface: #161614;
    --surface-2: #1f1e1b;
    --surface-3: #2a2925;
    --ink: #f4f3ef;
    --ink-2: #b8b6ae;
    --ink-3: #76746b;
    --line: rgba(244, 243, 239, 0.10);
    --line-2: rgba(244, 243, 239, 0.22);

    --info-bg: #0c2640;
    --info-fg: #b5d4f4;
    --success-bg: #1e3410;
    --success-fg: #c0dd97;
    --danger-bg: #3a1212;
    --danger-fg: #f7c1c1;
    --warning-bg: #3b2706;
    --warning-fg: #fac775;
  }
}

/* ─── reset/base ────────────────────────────────────────────────────────── */
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body { min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select, button { font-family: inherit; font-size: 16px; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--ink); color: var(--surface); }
.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; }
.hide-mobile { display: none; }
.dot-sep { color: var(--ink-3); margin: 0 4px; }

.container { width: 100%; max-width: 760px; margin: 0 auto; padding: 0 16px; }

/* ─── topbar ────────────────────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  background: var(--ink); color: var(--surface);
  border-radius: 8px; font-weight: 500; font-size: 14px;
}
.brand-name { font-weight: 500; letter-spacing: 0.5px; font-size: 15px; }
.topbar-actions { display: flex; gap: 8px; align-items: center; }

/* ─── progress bar ──────────────────────────────────────────────────────── */
.wizard { flex: 1; padding: 18px 0 80px; }
.progress { margin-bottom: 18px; }
.progress-bar {
  display: flex; gap: 6px;
  list-style: none; margin: 0; padding: 0;
}
.progress-bar li {
  flex: 1; height: 4px;
  background: var(--surface-3);
  border-radius: 99px;
  transition: background var(--t);
}
.progress-bar li.active { background: var(--ink); }
.progress-bar li.done { background: var(--success-fg); opacity: 0.85; }
.progress-meta {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.3px;
  color: var(--ink-3);
  text-transform: uppercase;
}

/* ─── step container ────────────────────────────────────────────────────── */
.step {
  animation: stepIn 360ms var(--easing) both;
}
.step[hidden] { display: none; }
@keyframes stepIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.step-head { margin-bottom: 16px; }
.step-title {
  margin: 0 0 6px;
  font-size: 22px; font-weight: 500; line-height: 1.25; letter-spacing: -0.01em;
}
.step-sub {
  margin: 0;
  font-size: 14px; color: var(--ink-2); line-height: 1.55;
}

/* ─── badges & chips ────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px;
  border-radius: 99px;
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.2px;
  margin-bottom: 12px;
}
.badge i { font-size: 13px; }
.badge-success { background: var(--success-bg); color: var(--success-fg); }
.badge-info { background: var(--info-bg); color: var(--info-fg); }
.badge-neutral { background: var(--surface-2); color: var(--ink-2); }
.badge-warning { background: var(--warning-bg); color: var(--warning-fg); }

.chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 11px; font-weight: 500;
}
.chip i { font-size: 12px; }
.chip-info { background: var(--info-bg); color: var(--info-fg); }
.chip-success { background: var(--success-bg); color: var(--success-fg); }
.chip-neutral { background: var(--surface-2); color: var(--ink-2); }

/* ─── trilhas (passo 1) ─────────────────────────────────────────────────── */
.trilhas-grid {
  display: grid; gap: 10px;
  grid-template-columns: 1fr;
  margin-bottom: 22px;
}
.trilha-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 16px;
  text-align: left;
  width: 100%;
  cursor: pointer;
  position: relative;
  transition: border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
  display: flex; flex-direction: column; gap: 8px;
}
.trilha-card:hover { border-color: var(--line-2); box-shadow: var(--shadow-2); }
.trilha-card:active { transform: scale(0.99); }
.trilha-card.is-selected {
  border-color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--ink);
}
.trilha-card-icon {
  width: 36px; height: 36px;
  background: var(--surface-2);
  border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 20px; color: var(--ink);
}
.trilha-card-title { font-size: 16px; font-weight: 500; margin: 2px 0 0; }
.trilha-card-desc { font-size: 13px; color: var(--ink-2); margin: 0; line-height: 1.5; }
.trilha-card-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 4px; }
.trilha-card-arrow {
  width: 28px; height: 28px;
  border-radius: 99px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--surface-2); color: var(--ink);
  font-size: 14px;
  transition: background var(--t-fast), color var(--t-fast);
}
.trilha-card:hover .trilha-card-arrow { background: var(--ink); color: var(--surface); }

/* ─── divider "ou conte" ────────────────────────────────────────────────── */
.divider {
  position: relative; text-align: center; margin: 20px 0 16px;
}
.divider::before {
  content: ""; position: absolute; inset: 50% 0 auto 0; height: 1px;
  background: var(--line);
}
.divider span {
  position: relative; display: inline-block;
  background: var(--bg); padding: 0 12px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.4px;
}

/* ─── diagnóstico (passo 1) ─────────────────────────────────────────────── */
.diagnostico {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 14px;
  display: flex; gap: 12px; align-items: flex-start;
}
.diag-avatar {
  flex-shrink: 0;
  width: 36px; height: 36px;
  background: var(--info-bg); color: var(--info-fg);
  border-radius: 99px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.diag-body { flex: 1; min-width: 0; }
.diag-hint { margin: 4px 0 8px; font-size: 13px; color: var(--ink-2); line-height: 1.5; }
.diag-form { display: flex; gap: 6px; }
.diag-form input {
  flex: 1; min-width: 0;
  padding: 11px 14px;
  background: var(--surface-2);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: var(--ink);
  transition: border-color var(--t-fast), background var(--t-fast);
  font-size: 14px;
}
.diag-form input:focus { outline: none; border-color: var(--ink); background: var(--surface); }

/* ─── botões ────────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 12px 18px;
  background: var(--ink); color: var(--surface);
  border: 1px solid var(--ink);
  border-radius: var(--radius-md);
  font-size: 14px; font-weight: 500;
  transition: transform var(--t-fast), opacity var(--t-fast);
  white-space: nowrap;
}
.btn-primary:hover { opacity: 0.92; }
.btn-primary:active { transform: scale(0.97); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }
.btn-primary.btn-icon { padding: 12px 14px; }
.btn-primary i { font-size: 16px; }
.btn-primary.btn-block { width: 100%; }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  background: transparent;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-md);
  color: var(--ink); font-size: 13px;
  transition: background var(--t-fast), border-color var(--t-fast);
}
.btn-ghost:hover { background: var(--surface-2); border-color: var(--ink); }
.btn-ghost-sm {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 6px 10px;
  background: transparent;
  border: 1px solid var(--line-2);
  border-radius: 99px;
  color: var(--ink-2); font-size: 12px;
}
.btn-ghost-sm:hover { color: var(--ink); border-color: var(--ink); }

.btn-chat i.ti-brand-whatsapp {
  font-size: 16px;
  color: #25d366;
}

/* ─── chat dialog (WhatsApp) ───────────────────────────────────────────── */
.chat-dialog {
  margin: auto;
  padding: 0;
  border: none;
  max-width: calc(100vw - 32px);
  width: 400px;
  border-radius: var(--radius-lg);
  background: transparent;
  box-shadow: none;
  z-index: 100;
}
.chat-dialog::backdrop {
  background: rgba(15, 15, 14, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.chat-dialog-panel {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px 18px 18px;
  box-shadow: var(--shadow-2);
}
.chat-dialog-x {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-2);
  border-radius: 99px;
  background: var(--surface);
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color var(--t-fast), color var(--t-fast);
}
.chat-dialog-x:hover {
  border-color: var(--ink);
  color: var(--ink);
}
.chat-dialog-title {
  margin: 0 36px 8px 0;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.chat-dialog-sub {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.5;
}
.chat-dialog-form .field { margin-bottom: 12px; }
.chat-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 18px;
}

/* ─── form fields ───────────────────────────────────────────────────────── */
.field-grid {
  display: grid; gap: 12px;
  grid-template-columns: 1fr;
  margin-bottom: 14px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field-label {
  font-size: 12px; color: var(--ink-2);
  display: flex; gap: 6px; align-items: center;
}
.field-optional { color: var(--ink-3); }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-md);
  color: var(--ink);
  transition: border-color var(--t-fast);
  font-size: 14px;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--ink);
}
.field textarea { resize: vertical; min-height: 90px; font-family: inherit; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--danger-fg); }
.field-error { font-size: 11px; color: var(--danger-fg); margin-top: 2px; }

/* ─── trust seals ───────────────────────────────────────────────────────── */
.trust-seals {
  display: flex; flex-wrap: wrap; gap: 10px 14px;
  background: var(--surface-2);
  border-radius: var(--radius-md);
  padding: 12px;
  margin: 14px 0;
}
.trust-seal {
  display: inline-flex; gap: 6px; align-items: center;
  font-size: 11px; color: var(--ink-2);
}
.trust-seal i { font-size: 14px; color: var(--success-fg); }

/* ─── social proof banner ───────────────────────────────────────────────── */
.social-banner {
  display: flex; gap: 10px; align-items: flex-start;
  background: var(--info-bg); color: var(--info-fg);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 14px;
  font-size: 12px; line-height: 1.55;
}
.social-banner i { font-size: 18px; flex-shrink: 0; margin-top: 1px; }

/* ─── solutions step (passo 2 buy) ──────────────────────────────────────── */
.step-meta-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px; gap: 12px; flex-wrap: wrap;
}
.step-context {
  font-size: 12px; color: var(--ink-2);
  background: var(--surface-2);
  padding: 6px 12px;
  border-radius: 99px;
}

.sol-section { margin-bottom: 18px; }
.sol-section-label {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; color: var(--ink-2); margin-bottom: 8px;
  gap: 8px; flex-wrap: wrap;
}
.sol-section-hint {
  font-size: 10px; color: var(--ink-3);
  font-family: var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.3px;
}

/* Primary grid: 2x2 on mobile, side-by-side cards */
.sol-primary-grid {
  display: grid; gap: 8px;
  grid-template-columns: 1fr 1fr;
}
.sol-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 12px;
  cursor: pointer;
  transition: border-color var(--t-fast), transform var(--t-fast);
  text-align: left;
  display: flex; flex-direction: column; gap: 4px;
  min-height: 88px;
}
.sol-card:hover { border-color: var(--line-2); }
.sol-card:active { transform: scale(0.99); }
.sol-card.is-selected {
  border: 2px solid var(--ink);
  padding: 11px;
}
.sol-card-title {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500;
}
.sol-card-title i { font-size: 16px; color: var(--ink); opacity: 0; transition: opacity var(--t-fast); }
.sol-card.is-selected .sol-card-title i { opacity: 1; }
.sol-card-sub { font-size: 11px; color: var(--ink-2); margin: 0; line-height: 1.45; }

/* Addons list (full width rows) */
.sol-addons { display: flex; flex-direction: column; gap: 8px; }
.sol-addon {
  display: flex; gap: 10px; align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  cursor: pointer;
  transition: border-color var(--t-fast);
}
.sol-addon:hover { border-color: var(--line-2); }
.sol-addon input[type="checkbox"] {
  appearance: none; -webkit-appearance: none;
  width: 18px; height: 18px;
  border: 1.5px solid var(--line-2);
  border-radius: 4px;
  background: var(--surface);
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  margin: 0;
  transition: background var(--t-fast), border-color var(--t-fast);
}
.sol-addon input[type="checkbox"]:checked { background: var(--ink); border-color: var(--ink); }
.sol-addon input[type="checkbox"]:checked::after {
  content: ""; position: absolute;
  top: 3px; left: 6px; width: 4px; height: 8px;
  border: solid var(--surface); border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
}
.sol-addon-body { flex: 1; min-width: 0; }
.sol-addon-title {
  display: flex; gap: 6px; align-items: center; flex-wrap: wrap;
  font-size: 13px; font-weight: 500; margin-bottom: 2px;
}
.sol-addon-hint { font-size: 11px; color: var(--ink-2); line-height: 1.5; margin: 0; }

/* Cart summary card */
.cart-summary {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--surface-2);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-top: 8px; margin-bottom: 14px;
  gap: 12px; flex-wrap: wrap;
}
.cart-summary-label { font-size: 11px; color: var(--ink-2); }
.cart-summary-value { font-size: 18px; font-weight: 500; }
.cart-summary-value small { font-size: 11px; color: var(--ink-3); font-weight: 400; margin-left: 4px; }
.cart-summary-savings { font-size: 11px; color: var(--success-fg); }

/* ─── academy step (passo 2 learn) ──────────────────────────────────────── */
.plans-list {
  display: flex; flex-direction: column; gap: 10px;
  margin-bottom: 18px;
}
.plan-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 16px;
  cursor: pointer;
  position: relative;
  transition: border-color var(--t-fast), transform var(--t-fast);
  display: flex; flex-direction: column; gap: 8px;
  text-align: left; width: 100%;
}
.plan-card:hover { border-color: var(--line-2); }
.plan-card.is-selected { border: 2px solid var(--ink); padding: 15px; }
.plan-card.is-recommended { border: 2px solid var(--info-fg); padding: 15px; }
.plan-card.is-recommended.is-selected { border: 2px solid var(--ink); }
.plan-badge {
  position: absolute; top: -10px; left: 12px;
  background: var(--info-bg); color: var(--info-fg);
  font-size: 10px; padding: 3px 10px; border-radius: 99px;
  font-weight: 500; letter-spacing: 0.2px;
}
.plan-kicker {
  font-size: 11px; color: var(--ink-3);
  font-family: var(--font-mono); text-transform: uppercase;
  letter-spacing: 0.3px;
}
.plan-card.is-recommended .plan-kicker { color: var(--info-fg); }
.plan-title { font-size: 16px; font-weight: 500; margin: 0; }
.plan-price-row { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.plan-price { font-size: 22px; font-weight: 500; }
.plan-price-original { font-size: 12px; color: var(--ink-3); text-decoration: line-through; }
.plan-price-note { font-size: 11px; color: var(--success-fg); }
.plan-desc { font-size: 12px; color: var(--ink-2); line-height: 1.55; margin: 0; }
.plan-bullets { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 4px; }
.plan-bullets li { display: flex; gap: 6px; align-items: center; font-size: 11px; color: var(--ink-2); }
.plan-bullets li i { font-size: 12px; color: var(--success-fg); }

/* Courses selector (chips with title + level) */
.courses-block {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-bottom: 14px;
}
.courses-block-head {
  display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap;
  margin-bottom: 10px;
}
.courses-chips {
  display: flex; gap: 6px; overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
  scroll-snap-type: x mandatory;
  margin: 0 -14px; padding: 0 14px 8px;
}
.courses-chips::-webkit-scrollbar { height: 4px; }
.courses-chips::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 99px; }
.course-chip {
  display: flex; flex-direction: column; gap: 2px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-md);
  font-size: 12px;
  flex-shrink: 0;
  scroll-snap-align: start;
  cursor: pointer;
  transition: border-color var(--t-fast);
  text-align: left;
}
.course-chip:hover { border-color: var(--ink); }
.course-chip.is-selected { border: 2px solid var(--ink); padding: 9px 13px; }
.course-chip-title { font-weight: 500; }
.course-chip-sub { font-size: 10px; color: var(--ink-3); }

.math-line {
  background: var(--surface-2);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 14px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 10px; flex-wrap: wrap;
}
.math-line-text { font-size: 12px; color: var(--ink-2); line-height: 1.5; }
.math-line-text strong { color: var(--ink); font-weight: 500; }

/* ─── briefing step (passo 2 custom) ────────────────────────────────────── */
.brief-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 14px; }
.brief-q {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px;
  background: var(--surface);
}
.brief-q-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 12px; margin-bottom: 10px;
  flex-wrap: wrap;
}
.brief-q-label { font-size: 13px; color: var(--ink); font-weight: 500; flex: 1; }
.brief-q-hint {
  font-size: 10px; color: var(--ink-3);
  font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.3px;
  white-space: nowrap;
}
.brief-q-footnote {
  font-size: 11px; color: var(--ink-2); line-height: 1.5;
  margin-top: 8px;
}
.brief-q textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-md);
  color: var(--ink);
  resize: vertical; min-height: 90px;
  font-family: inherit; font-size: 14px;
}
.brief-q textarea:focus { outline: none; border-color: var(--ink); }

.chip-options { display: flex; flex-wrap: wrap; gap: 6px; }
.chip-opt {
  padding: 8px 14px;
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: 99px;
  font-size: 12px; color: var(--ink);
  cursor: pointer;
  transition: border-color var(--t-fast), background var(--t-fast);
  text-align: center;
}
.chip-opt:hover { border-color: var(--ink); }
.chip-opt.is-selected { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.chip-opt.is-small { padding: 6px 12px; font-size: 11px; }

.brief-q-textchips { margin-top: 8px; }

.preanalysis {
  background: var(--surface-2);
  border-radius: var(--radius-md);
  padding: 12px;
  margin-bottom: 14px;
  display: flex; gap: 10px; align-items: flex-start;
}
.preanalysis-icon {
  width: 30px; height: 30px;
  background: var(--info-bg); color: var(--info-fg);
  border-radius: 99px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 16px; flex-shrink: 0;
}
.preanalysis-body { flex: 1; min-width: 0; }
.preanalysis-title {
  font-size: 12px; font-weight: 500; margin-bottom: 4px;
}
.preanalysis-text { font-size: 12px; color: var(--ink-2); line-height: 1.55; }
.preanalysis-text strong { color: var(--ink); font-weight: 500; }

/* ─── payment step (passo 4 buy/learn) ──────────────────────────────────── */
.checkout-grid {
  display: grid; gap: 14px;
  grid-template-columns: 1fr;
}
.order-summary {
  background: var(--surface-2);
  border-radius: var(--radius-md);
  padding: 14px;
}
.order-summary-kicker {
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.3px;
  color: var(--ink-3);
  margin-bottom: 12px;
}
.order-line {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 10px;
  padding-bottom: 10px; margin-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.order-line:last-child { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }
.order-line-info { min-width: 0; }
.order-line-title {
  font-size: 13px; font-weight: 500;
  display: flex; gap: 6px; align-items: center; flex-wrap: wrap;
  margin-bottom: 2px;
}
.order-line-sub { font-size: 11px; color: var(--ink-2); }
.order-line-price { font-size: 13px; white-space: nowrap; }
.order-total {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding-top: 10px; border-top: 1px solid var(--line);
}
.order-total-label-block { display: flex; flex-direction: column; gap: 2px; }
.order-total-label-block span { font-size: 11px; color: var(--ink-2); }
.order-total-value { text-align: right; }
.order-total-value-main { font-size: 22px; font-weight: 500; }
.order-total-value-sub { font-size: 11px; color: var(--ink-3); }

.payment-block { display: flex; flex-direction: column; gap: 10px; }
.payment-kicker {
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.3px;
  color: var(--ink-3);
}
.payment-methods { display: flex; flex-direction: column; gap: 6px; }
.payment-method {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--t-fast);
}
.payment-method:hover { border-color: var(--ink); }
.payment-method.is-selected { border: 2px solid var(--info-fg); padding: 11px; }
.payment-method-left { display: flex; gap: 10px; align-items: center; }
.payment-method i { font-size: 22px; color: var(--ink); }
.payment-method.is-selected i { color: var(--info-fg); }
.payment-method-label { font-size: 13px; font-weight: 500; }
.payment-method-sub { font-size: 10px; color: var(--ink-2); margin-top: 1px; }

.pix-block {
  background: var(--surface-2);
  border-radius: var(--radius-md);
  padding: 14px 12px;
  text-align: left;
}
.pix-block-head {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 12px;
}
.pix-block-brand {
  flex-shrink: 0;
  display: block;
  font-size: 40px;
  line-height: 1;
  color: #32BCAD;
}
.pix-block-head-text { min-width: 0; }
.pix-block-title {
  margin: 0 0 2px;
  font-size: 14px; font-weight: 500; color: var(--ink);
}
.pix-block-sub {
  margin: 0;
  font-size: 11px; color: var(--ink-2); line-height: 1.45;
}
.pix-block-hint {
  margin: 10px 0 0;
  font-size: 11px; color: var(--ink-3);
  text-align: center;
  font-family: var(--font-mono);
}
.pix-qr {
  width: 140px; height: 140px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-3); font-size: 64px;
}
.pix-qr--action {
  cursor: pointer;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.pix-qr--action:hover {
  border-color: var(--info-fg);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--info-fg) 25%, transparent);
}
.pix-qr--action:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 2px var(--line-2);
}

/* card form */
.card-form { display: none; flex-direction: column; gap: 10px; padding-top: 4px; }
.card-form.is-active { display: flex; }
.card-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

/* ─── schedule step (passo 4 custom) ────────────────────────────────────── */
.schedule-grid {
  display: grid; gap: 14px;
  grid-template-columns: 1fr;
}
.schedule-block-label {
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.3px;
  color: var(--ink-3);
  margin-bottom: 8px;
}
.slots-grid {
  display: grid; gap: 6px;
  grid-template-columns: repeat(3, 1fr);
}
.slot {
  padding: 10px 8px;
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--t-fast);
}
.slot:hover { border-color: var(--ink); }
.slot.is-selected { border: 2px solid var(--info-fg); padding: 9px 7px; background: var(--surface); }
.slot-day {
  font-size: 10px; color: var(--ink-3);
  font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.3px;
}
.slot-date { font-size: 16px; font-weight: 500; margin: 2px 0; }
.slot-time { font-size: 11px; color: var(--ink-2); }
.slot.is-selected .slot-time { color: var(--info-fg); }

.schedule-flow { padding: 12px; background: var(--surface-2); border-radius: var(--radius-md); }
.schedule-flow ol { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.schedule-flow li { display: flex; gap: 8px; align-items: flex-start; font-size: 12px; color: var(--ink-2); line-height: 1.5; }
.schedule-flow li i { font-size: 16px; color: var(--info-fg); flex-shrink: 0; margin-top: 1px; }

/* ─── confirmation (passo 5) ────────────────────────────────────────────── */
.confirm-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  text-align: center;
}
.confirm-check {
  width: 56px; height: 56px;
  background: var(--success-bg); color: var(--success-fg);
  border-radius: 99px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 30px;
  margin-bottom: 12px;
  animation: pop 600ms var(--easing) both;
}
@keyframes pop {
  0% { transform: scale(0.2); opacity: 0; }
  60% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}
.confirm-title { font-size: 22px; font-weight: 500; margin: 0 0 4px; letter-spacing: -0.01em; }
.confirm-sub { font-size: 13px; color: var(--ink-2); margin: 0; }

.timeline {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-top: 12px;
}
.timeline-label {
  font-family: var(--font-mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.3px;
  color: var(--ink-3);
  margin-bottom: 12px;
}
.timeline-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.timeline-list li {
  display: grid; grid-template-columns: 72px 1fr; gap: 12px; align-items: flex-start;
}
.timeline-when {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--ink-2); padding-top: 2px;
  line-height: 1.4;
}
.timeline-title { font-size: 13px; font-weight: 500; margin-bottom: 2px; }
.timeline-sub { font-size: 11px; color: var(--ink-2); line-height: 1.5; }

.confirm-actions-block {
  margin-top: 20px;
}
.confirm-actions-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.35px;
  color: var(--ink-3);
  margin-bottom: 10px;
}
.confirm-actions {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}
.confirm-action {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px 14px;
  min-height: 96px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.confirm-action:hover {
  border-color: var(--ink);
  box-shadow: var(--shadow-2);
}
.confirm-action:active { transform: scale(0.99); }
.confirm-action:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--ink);
}
.confirm-action i {
  font-size: 26px; color: var(--ink); margin-bottom: 8px;
}
.confirm-action-title { font-size: 13px; font-weight: 500; line-height: 1.3; }
.confirm-action-sub { font-size: 11px; color: var(--ink-3); margin-top: 4px; line-height: 1.4; }

.bonus-banner {
  margin-top: 12px;
  background: var(--info-bg); color: var(--info-fg);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 12px; line-height: 1.55;
}
.bonus-banner i { font-size: 20px; flex-shrink: 0; }
.bonus-banner strong { font-weight: 500; }

/* ─── wizard foot ───────────────────────────────────────────────────────── */
.wizard-foot {
  position: fixed; left: 0; right: 0; bottom: 0;
  background: color-mix(in srgb, var(--bg) 95%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px;
  z-index: 90;
  pointer-events: auto;
}
.foot-eta {
  display: none;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.3px;
}
.btn-next { flex: 0 1 auto; }

/* ─── site foot ─────────────────────────────────────────────────────────── */
.sitefoot {
  border-top: 1px solid var(--line);
  margin-top: 24px;
  padding: 16px 0;
  font-size: 11px; color: var(--ink-3);
}
.sitefoot-inner { display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }

/* ─── toast ─────────────────────────────────────────────────────────────── */
.toast {
  position: fixed; left: 50%; bottom: 80px; transform: translate(-50%, 20px);
  background: var(--ink); color: var(--surface);
  padding: 12px 18px;
  border-radius: 99px;
  font-size: 13px; font-weight: 500;
  box-shadow: var(--shadow-2);
  opacity: 0; pointer-events: none;
  transition: opacity var(--t), transform var(--t);
  z-index: 110;
  max-width: calc(100% - 32px);
  text-align: center;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }

/* ═══════════════════════════════════════════════════════════════════════════
 * RESPONSIVE — desktop
 * ═════════════════════════════════════════════════════════════════════════ */
@media (min-width: 640px) {
  .hide-mobile { display: inline; }
  .wizard { padding: 28px 0 100px; }

  .step-title { font-size: 26px; }
  .step-sub { font-size: 15px; }

  .trilhas-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }

  .field-grid { grid-template-columns: 1fr 1fr; }
  .field[data-col="full"] { grid-column: 1 / -1; }

  .plans-list {
    display: grid;
    grid-template-columns: 1fr 1fr 1.15fr;
    gap: 10px;
    align-items: stretch;
  }
  .plan-card { padding: 18px; }
  .plan-card.is-selected, .plan-card.is-recommended { padding: 17px; }

  .checkout-grid { grid-template-columns: 1.3fr 1fr; gap: 18px; }
  .schedule-grid { grid-template-columns: 1.2fr 1fr; gap: 18px; }
  .slots-grid { grid-template-columns: repeat(3, 1fr); }
  .courses-chips { overflow-x: visible; margin: 0; padding: 0; flex-wrap: wrap; scroll-snap-type: none; }
  .course-chip { flex-shrink: initial; }

  .confirm-actions {
    grid-template-columns: repeat(3, 1fr);
  }

  .foot-eta { display: inline-flex; }

  .timeline-list li { grid-template-columns: 90px 1fr; }
}

@media (min-width: 860px) {
  .wizard-foot {
    position: static;
    background: transparent;
    backdrop-filter: none;
    border-top: 1px dashed var(--line);
    margin-top: 24px;
    padding: 16px 0;
  }
  .step { padding-bottom: 0; }
}

/* mobile-only carrosséis snap-styled fix */
@media (max-width: 639px) {
  .courses-chips { padding-bottom: 12px; }
}

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