/* ============================================================
   Curso de Eletricista — styles.css
   Paleta: amarelo (cor de ruptura) + preto, seguindo o padrão
   de criativos que já converteram bem no nicho de elétrica.
   Mobile-first, CSS puro, sem frameworks.
   ============================================================ */

:root {
  --yellow: #FFC400;
  --yellow-dark: #E0A800;
  --black: #14140F;
  --ink: #1F1F17;
  --gray-700: #4A4A40;
  --gray-300: #D9D6C7;
  --off-white: #FFFDF6;
  --white: #FFFFFF;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(20, 20, 15, 0.10);
  --max-width: 1120px;
  --max-width-narrow: 760px;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--off-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.container-narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.center-text { text-align: center; }

h1, h2, h3 {
  line-height: 1.2;
  margin: 0 0 16px;
  font-weight: 800;
  color: var(--black);
}

h1 { font-size: clamp(1.9rem, 4vw + 1rem, 2.9rem); }
h2 { font-size: clamp(1.5rem, 2.5vw + 1rem, 2rem); }
h3 { font-size: 1.05rem; }

p { margin: 0 0 16px; color: var(--gray-700); }

ul { margin: 0 0 16px; padding-left: 0; list-style: none; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--gray-300);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--black);
  text-decoration: none;
}

.logo-bolt {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: var(--yellow);
  border-radius: 8px;
  font-size: 1rem;
}

.btn.header-cta { display: none; }
@media (min-width: 560px) {
  .btn.header-cta { display: inline-flex; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 700;
  border-radius: 999px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--yellow);
  color: var(--black);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

.btn-small { padding: 8px 18px; font-size: 0.9rem; }
.btn-large { padding: 16px 32px; font-size: 1.05rem; margin: 10px 0 8px; }

/* ---------- Hero ---------- */
.hero {
  padding: 40px 0 20px;
  background:
    radial-gradient(circle at 100% 0%, rgba(255,196,0,0.18), transparent 55%),
    var(--off-white);
}

.hero-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

@media (min-width: 860px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.kicker {
  display: inline-block;
  background: var(--black);
  color: var(--yellow);
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.hero-sub { font-size: 1.05rem; }

.byline {
  font-size: 0.82rem;
  color: var(--gray-700);
  margin-top: 4px;
}

.hero-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 6px solid var(--white);
  outline: 3px solid var(--yellow);
}

.hero-img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: var(--gray-300);
}

.course-video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-top: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--gray-300);
}

/* ---------- Rating badge ---------- */
.rating-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 999px;
  padding: 8px 16px;
  margin-bottom: 18px;
  font-size: 0.92rem;
}

.rating-badge-large { padding: 12px 22px; font-size: 1rem; }

.stars { color: var(--yellow-dark); letter-spacing: 1px; }

.rating-text strong { color: var(--black); }

/* ---------- Sections ---------- */
.section { padding: 52px 0; }

.section-alt { background: var(--white); border-top: 1px solid var(--gray-300); border-bottom: 1px solid var(--gray-300); }

.section-highlight {
  background: var(--black);
  color: var(--off-white);
}

.section-highlight h2 { color: var(--white); }
.section-highlight p { color: #D9D6C7; }

.section-title-center, .section-sub-center { text-align: center; }
.section-sub-center { max-width: 560px; margin: 0 auto 32px; }

/* ---------- Feature list ---------- */
.feature-list { display: grid; gap: 12px; margin-top: 24px; }

@media (min-width: 640px) {
  .feature-list { grid-template-columns: repeat(2, 1fr); }
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--off-white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-weight: 600;
  color: var(--ink);
}

.feature-icon { font-size: 1.2rem; }

/* ---------- Module grid (blocos escaneáveis) ---------- */
.module-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .module-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .module-grid { grid-template-columns: repeat(3, 1fr); }
}

.module-card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: var(--shadow);
}

.module-number {
  display: inline-block;
  color: var(--yellow-dark);
  font-weight: 800;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.module-card h3 { margin: 0; }

/* ---------- Check list ---------- */
.check-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
  font-weight: 600;
  color: var(--ink);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: var(--yellow);
  color: var(--black);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 800;
}

/* ---------- Guarantee box (placeholder, mantido caso ativado) ---------- */
.guarantee-box {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  border: 1px dashed var(--yellow-dark);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 20px 0;
}

.guarantee-icon { font-size: 1.6rem; }

/* ---------- FAQ ---------- */
.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 12px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--black);
  list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  float: right;
  font-weight: 800;
  color: var(--yellow-dark);
}

.faq-item[open] summary::after { content: "–"; }

.faq-item p { margin-top: 12px; margin-bottom: 0; }

/* ---------- CTA final ---------- */
.cta-final {
  background: linear-gradient(180deg, var(--off-white), #FFF3CC);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--black);
  color: #B9B6A6;
  padding: 32px 0 40px;
  font-size: 0.8rem;
}

.disclosure { color: #B9B6A6; margin-bottom: 10px; }

.copyright { margin: 0; color: #7E7C6F; }

/* ---------- Focus visibility (acessibilidade) ---------- */
a:focus-visible, summary:focus-visible {
  outline: 3px solid var(--yellow-dark);
  outline-offset: 2px;
}