/* ==========================================================================
   CURSO COMPLETO ELETROPOSTOS — SM Engenharia Elétrica
   Design system extraído da identidade das apostilas do curso.
   ========================================================================== */

:root {
  /* --- Paleta (herdada das apostilas) --- */
  --paper: #FBF4E9;
  --paper-2: #F3EAD9;
  --ink: #201B15;
  --text: #2A2620;
  --text-muted: #6B6355;
  --bronze: #966428;
  --bronze-dark: #7A5220;
  --gold: #C9A24B;
  --border: #E4D8C4;
  --border-2: #EADFCB;
  --sage-bg: #E3EDE4;
  --sage-text: #3B6E4B;

  /* --- Tipografia --- */
  --font-serif: 'Fraunces', 'Spectral', Georgia, serif;
  --font-display: 'Archivo', 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', 'Barlow', -apple-system, BlinkMacSystemFont, sans-serif;

  /* --- Escala --- */
  --radius: 10px;
  --radius-lg: 18px;
  --shadow-soft: 0 8px 30px rgba(32, 27, 21, 0.08);
  --shadow-card: 0 4px 18px rgba(32, 27, 21, 0.06);
  --container: 1180px;

  --dur-fast: 180ms;
  --dur-med: 420ms;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }

/* scroll-behavior:smooth fica só para quem não pediu menos movimento —
   e nunca no carregamento inicial da página (ver nota no <script> inline
   no <head>), porque smooth + salto de âncora no load, combinado com
   reflow de web fonts carregando, faz o navegador ultrapassar o alvo. */
@media (prefers-reduced-motion: no-preference) {
  html.js-smooth-scroll { scroll-behavior: smooth; }
}
@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;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
button { font-family: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

@media (min-width: 640px) {
  .container { padding: 0 32px; }
}

section { position: relative; }

/* ==========================================================================
   Tipografia utilitária
   ========================================================================== */
.eyebrow {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--bronze);
  display: inline-block;
  margin-bottom: 14px;
}

.eyebrow--light { color: var(--gold); }

h1, .h1 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.05;
  font-size: clamp(2.1rem, 5.4vw, 3.6rem);
}

h2, .h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 0.005em;
  line-height: 1.1;
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
}

h3, .h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.2;
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
}

.serif { font-family: var(--font-serif); font-weight: 500; }

.lede {
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 56ch;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head.align-left { margin-left: 0; text-align: left; }

/* ==========================================================================
   Wordmark SM
   ========================================================================== */
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--ink);
}

.wordmark svg { width: 34px; height: 34px; flex-shrink: 0; }
.wordmark span { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.14em; font-family: var(--font-display); font-weight: 700; }
.wordmark small { display: block; font-size: 0.55rem; letter-spacing: 0.12em; color: var(--text-muted); text-transform: uppercase; font-family: var(--font-display); font-weight: 600; }

.navbar .wordmark { color: var(--paper); }
.navbar .wordmark small { color: var(--gold); }

/* ==========================================================================
   Colchetes de canto (motivo gráfico da marca)
   ========================================================================== */
.bracketed {
  position: relative;
}
.bracketed::before,
.bracketed::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border: 2px solid var(--gold);
  opacity: 0.85;
}
.bracketed::before {
  top: -10px;
  left: -10px;
  border-right: none;
  border-bottom: none;
}
.bracketed::after {
  bottom: -10px;
  right: -10px;
  border-left: none;
  border-top: none;
}
.bracketed--dark::before,
.bracketed--dark::after { border-color: var(--bronze); }

/* ==========================================================================
   Selo "FIG"
   ========================================================================== */
.fig-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.62rem;
  padding: 5px 11px;
  border-radius: 999px;
}
.fig-tag .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--gold); }

/* ==========================================================================
   Botões
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.85rem;
  padding: 16px 28px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  text-decoration: none;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--bronze);
  color: var(--paper);
  box-shadow: 0 6px 20px rgba(150, 100, 40, 0.28);
}
.btn--primary:hover {
  background: var(--bronze-dark);
  box-shadow: 0 10px 26px rgba(150, 100, 40, 0.36);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn--ghost:hover { background: var(--ink); color: var(--paper); }

.btn--on-dark {
  background: var(--gold);
  color: var(--ink);
}
.btn--on-dark:hover { background: #dab766; transform: translateY(-1px); }

.btn--block { width: 100%; }

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(32, 27, 21, 0);
  border-bottom: 1px solid rgba(201, 162, 75, 0);
  transition: background var(--dur-med) var(--ease), border-color var(--dur-med) var(--ease), padding var(--dur-med) var(--ease);
  padding: 18px 0;
}
.navbar.is-scrolled {
  background: rgba(32, 27, 21, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(201, 162, 75, 0.25);
  padding: 12px 0;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.navbar .btn {
  padding: 11px 20px;
  font-size: 0.72rem;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity var(--dur-med) var(--ease), transform var(--dur-med) var(--ease);
}
.navbar.is-scrolled .btn { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  background: var(--ink);
  color: var(--paper);
  padding: 56px 0 76px;
  margin-top: -78px;
  padding-top: 134px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 400px at 85% 0%, rgba(201, 162, 75, 0.14), transparent 60%),
    radial-gradient(500px 360px at 10% 100%, rgba(150, 100, 40, 0.12), transparent 60%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
}

@media (min-width: 960px) {
  .hero .container { grid-template-columns: 1.05fr 0.85fr; gap: 64px; }
}

.hero-copy .eyebrow { color: var(--gold); }
.hero-copy h1 { margin: 6px 0 22px; }
.hero-copy h1 em {
  font-style: normal;
  color: var(--gold);
}

.hero-copy .lede { color: rgba(251, 244, 233, 0.78); max-width: 52ch; }

.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.trust-line {
  font-size: 0.82rem;
  color: rgba(251, 244, 233, 0.6);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}
.trust-line span { display: inline-flex; align-items: center; gap: 6px; }
.trust-line svg { width: 14px; height: 14px; color: var(--gold); }

.hero-visual {
  position: relative;
  padding: 14px;
}
.hero-visual img {
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px rgba(0,0,0,0.45);
  border: 1px solid rgba(201,162,75,0.35);
}

/* ==========================================================================
   Contadores / stat strip
   ========================================================================== */
.stat-strip {
  border-top: 1px solid rgba(201,162,75,0.2);
  margin-top: 52px;
  padding-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.stat-item .num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  color: var(--gold);
  line-height: 1;
}
.stat-item .label {
  margin-top: 6px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(251,244,233,0.6);
}

/* ==========================================================================
   Seções gerais / cards
   ========================================================================== */
.section { padding: 84px 0; }
.section--tight { padding: 64px 0; }
.section--paper2 { background: var(--paper-2); }
.section--ink { background: var(--ink); color: var(--paper); }

.divider {
  height: 1px;
  background: var(--border);
  border: none;
  margin: 0;
}

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

/* --- Reveal (scroll-in) --- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ==========================================================================
   SEÇÃO PROBLEMA + Calculadora
   ========================================================================== */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}
@media (min-width: 960px) {
  .problem-grid { grid-template-columns: 0.95fr 1.05fr; gap: 56px; }
}

.equation-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin: 26px 0;
}
.eq-box {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  padding: 16px 20px;
  border-radius: var(--radius);
  min-width: 96px;
  text-align: center;
}
.eq-box--light { background: var(--paper-2); border: 1px solid var(--border); color: var(--text); }
.eq-box--dark { background: var(--ink); color: var(--paper); }
.eq-box--sage { background: var(--sage-bg); color: var(--sage-text); }
.eq-op { font-size: 1.3rem; color: var(--text-muted); font-weight: 700; }

.tool-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-soft);
}
.tool-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.tool-card__head h3 { margin: 0; }

.field {
  margin-bottom: 22px;
}
.field label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.field label output { color: var(--bronze); font-weight: 800; }

input[type="range"] {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: var(--border);
  appearance: none;
  outline: none;
  accent-color: var(--bronze);
}
input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bronze);
  border: 3px solid var(--paper);
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
  cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bronze);
  border: 3px solid var(--paper);
  cursor: pointer;
}

input[type="number"], input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text);
}
input[type="number"]:focus, input[type="text"]:focus {
  outline: none;
  border-color: var(--bronze);
}

.result-box {
  background: var(--sage-bg);
  color: var(--sage-text);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-top: 8px;
  transition: background var(--dur-med) var(--ease);
}
.result-box .result-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.9rem;
  line-height: 1;
}
.result-box .result-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.85;
  margin-top: 4px;
}
.result-box .result-verdict {
  margin-top: 12px;
  font-size: 0.94rem;
  line-height: 1.5;
  border-top: 1px solid rgba(59,110,75,0.2);
  padding-top: 12px;
}
.result-box.is-warning { background: #F5E6D8; color: var(--bronze-dark); }
.result-box.is-warning .result-verdict { border-top-color: rgba(122,82,32,0.2); }

.tool-cta {
  margin-top: 18px;
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.tool-cta strong { color: var(--bronze); }

/* ==========================================================================
   Para quem é / não é
   ========================================================================== */
.audience-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 800px) {
  .audience-grid { grid-template-columns: 1fr 1fr; }
}
.audience-card { padding: 32px; }
.audience-card h3 { margin-bottom: 18px; }
.audience-card ul li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-2);
  font-size: 0.98rem;
}
.audience-card ul li:last-child { border-bottom: none; }
.audience-card ul li svg { flex-shrink: 0; margin-top: 3px; width: 18px; height: 18px; }

.audience-card--yes { border-color: var(--sage-text); background: linear-gradient(180deg, var(--sage-bg), var(--paper)); }
.audience-card--yes svg { color: var(--sage-text); }
.audience-card--no svg { color: var(--bronze); }

/* ==========================================================================
   Módulos (aulas)
   ========================================================================== */
.modules-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 8px;
}
@media (min-width: 720px) {
  .modules-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1080px) {
  .modules-grid { grid-template-columns: 1fr 1fr 1fr; }
}

.module-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0;
  overflow: hidden;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.module-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
  border-color: var(--gold);
}

.module-card__illustration {
  background: var(--paper-2);
  padding: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 128px;
  border-bottom: 1px solid var(--border);
}
.module-card__illustration svg { width: 100%; height: 100%; max-height: 90px; }

.module-card__body { padding: 22px 24px 24px; }
.module-card__num {
  font-family: var(--font-serif);
  color: var(--bronze);
  font-size: 0.95rem;
  font-weight: 600;
}
.module-card__title { margin: 6px 0 14px; font-size: 1.08rem; }

.module-card__toggle {
  background: none;
  border: none;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.7rem;
  color: var(--text-muted);
  width: 100%;
  justify-content: space-between;
}
.module-card__toggle svg {
  width: 16px; height: 16px;
  transition: transform var(--dur-fast) var(--ease);
}
.module-card__toggle[aria-expanded="true"] svg { transform: rotate(180deg); }

.module-card__topics {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-med) var(--ease);
}
.module-card__topics-inner { overflow: hidden; }
.module-card__toggle[aria-expanded="true"] + .module-card__topics { grid-template-rows: 1fr; }
.module-card__topics ul { margin-top: 16px; }
.module-card__topics li {
  font-size: 0.92rem;
  color: var(--text-muted);
  padding: 8px 0 8px 18px;
  position: relative;
  border-top: 1px solid var(--border-2);
}
.module-card__topics li:first-child { border-top: none; padding-top: 2px; }
.module-card__topics li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}
.module-card__topics li:first-child::before { top: 10px; }

.module-card--extra {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 26px;
  background: var(--paper-2);
}
.module-card--extra .module-card__num { margin-right: 4px; }
@media (max-width: 719px) {
  .module-card--extra { flex-direction: column; align-items: flex-start; gap: 6px; }
}

/* ==========================================================================
   Diferenciais
   ========================================================================== */
.diff-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 800px) {
  .diff-grid { grid-template-columns: repeat(3, 1fr); }
}
.diff-card {
  padding: 30px 26px;
  border-radius: var(--radius-lg);
  background: var(--paper);
  border: 1px solid var(--border);
}
.diff-card .diff-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--ink);
  color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.diff-card .diff-icon svg { width: 24px; height: 24px; }
.diff-card h3 { margin-bottom: 10px; }
.diff-card p { color: var(--text-muted); font-size: 0.95rem; }

/* ==========================================================================
   Autoridade
   ========================================================================== */
.authority {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media (min-width: 900px) {
  .authority { grid-template-columns: 0.9fr 1.1fr; }
}
.authority-badge {
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: 44px 30px;
  text-align: center;
  color: var(--paper);
}
.authority-badge svg { width: 90px; height: 90px; margin: 0 auto 18px; }
.authority-badge .name { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; font-size: 1.05rem; }
.authority-badge .role { font-size: 0.78rem; color: var(--gold); margin-top: 6px; text-transform: uppercase; letter-spacing: 0.08em; }

.authority-copy p + p { margin-top: 16px; }
.authority-copy .lede { max-width: none; }

.authority-list { margin-top: 24px; }
.authority-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.authority-list li svg { width: 18px; height: 18px; color: var(--bronze); flex-shrink: 0; margin-top: 3px; }

/* ==========================================================================
   O que acompanha
   ========================================================================== */
.deliverables-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 720px) {
  .deliverables-grid { grid-template-columns: 1fr 1fr; }
}
.deliverable-item {
  display: flex;
  gap: 16px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.deliverable-item .di-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--paper-2);
  color: var(--bronze);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.deliverable-item .di-icon svg { width: 22px; height: 22px; }
.deliverable-item h4 { font-family: var(--font-display); font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 4px; }
.deliverable-item p { font-size: 0.88rem; color: var(--text-muted); }

/* ==========================================================================
   Oferta
   ========================================================================== */
.offer-card {
  background: var(--ink);
  color: var(--paper);
  border-radius: 24px;
  padding: 48px 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.offer-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(500px 300px at 50% 0%, rgba(201,162,75,0.16), transparent 65%);
  pointer-events: none;
}
.offer-card > * { position: relative; }

.guarantee-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201,162,75,0.14);
  border: 1px solid rgba(201,162,75,0.4);
  color: var(--gold);
  padding: 8px 16px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 24px;
}
.guarantee-badge svg { width: 15px; height: 15px; }

.offer-price {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  color: var(--paper);
  margin: 10px 0 2px;
}
.offer-price sup { font-size: 0.4em; vertical-align: super; color: var(--gold); }
.offer-parcelamento { color: rgba(251,244,233,0.65); font-size: 0.95rem; margin-bottom: 30px; }

.payment-methods {
  display: flex;
  justify-content: center;
  gap: 22px;
  margin: 26px 0 32px;
  flex-wrap: wrap;
}
.payment-methods span {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.82rem;
  color: rgba(251,244,233,0.75);
}
.payment-methods svg { width: 18px; height: 18px; color: var(--gold); }

.offer-fine {
  margin-top: 22px;
  font-size: 0.78rem;
  color: rgba(251,244,233,0.5);
}

/* ==========================================================================
   FAQ (accordion)
   ========================================================================== */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 4px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}
.faq-question .plus {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1.5px solid var(--bronze);
  color: var(--bronze);
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.faq-question .plus::before, .faq-question .plus::after {
  content: "";
  position: absolute;
  background: var(--bronze);
}
.faq-question .plus::before { width: 10px; height: 1.5px; }
.faq-question .plus::after { width: 1.5px; height: 10px; transition: transform var(--dur-fast) var(--ease); }
.faq-question[aria-expanded="true"] .plus::after { transform: rotate(90deg) scaleY(0); }

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-med) var(--ease);
}
.faq-answer-inner { overflow: hidden; }
.faq-question[aria-expanded="true"] ~ .faq-answer { grid-template-rows: 1fr; }
.faq-answer p {
  padding: 0 34px 22px 4px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ==========================================================================
   CTA final
   ========================================================================== */
.cta-final {
  text-align: center;
  padding: 90px 0;
}
.cta-final h2 { margin-bottom: 16px; }
.cta-final .lede { margin: 0 auto 32px; }

/* ==========================================================================
   Rodapé
   ========================================================================== */
footer {
  background: var(--ink);
  color: rgba(251,244,233,0.6);
  padding: 48px 0 100px;
}
.footer-top {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(201,162,75,0.18);
}
.footer-domains {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.85rem;
}
.footer-domains a { text-decoration: none; color: rgba(251,244,233,0.75); }
.footer-domains a:hover { color: var(--gold); }
.footer-bottom {
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  justify-content: space-between;
  font-size: 0.78rem;
}
.footer-disclaimer { max-width: 640px; color: rgba(251,244,233,0.42); line-height: 1.6; }

/* ==========================================================================
   CTA fixo mobile
   ========================================================================== */
.sticky-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 70;
  background: rgba(32,27,21,0.97);
  backdrop-filter: blur(8px);
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border-top: 1px solid rgba(201,162,75,0.25);
  transform: translateY(100%);
  transition: transform var(--dur-med) var(--ease);
}
.sticky-cta.is-visible { transform: translateY(0); }
.sticky-cta .btn { width: 100%; }

@media (min-width: 900px) {
  .sticky-cta { display: none; }
}

/* ==========================================================================
   Split AC/DC & escala de potência (módulo)
   ========================================================================== */
.toggle-group {
  display: inline-flex;
  background: var(--paper-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
  gap: 4px;
}
.toggle-group button {
  border: none;
  background: transparent;
  padding: 9px 20px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.toggle-group button.is-active {
  background: var(--ink);
  color: var(--paper);
}

.power-scale {
  margin-top: 26px;
}
.power-scale .track {
  position: relative;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--sage-bg), var(--gold));
  margin: 30px 6px 10px;
}
.power-scale .fill-dot {
  position: absolute;
  top: 50%;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--ink);
  border: 3px solid var(--gold);
  transform: translate(-50%, -50%);
  transition: left var(--dur-med) var(--ease);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.power-scale .marks {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-display);
}

.obc-compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 14px;
  align-items: center;
  margin-top: 20px;
}
.obc-compare .vs {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.select-pill {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: var(--paper);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}

/* ==========================================================================
   Utilitários
   ========================================================================== */
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.text-center { text-align: center; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 2px;
}
