/* Base */
:root {
  --bg: #0b0c10;
  --surface: #0f1117;
  --surface-2: #121621;
  --text: #e6e8ec;
  --muted: #c3cad7;
  --primary: #5eead4; /* teal accent */
  --primary-10: rgba(94, 234, 212, 0.1);
  --border: #212634;
  --shadow: 0 10px 30px rgba(0,0,0,.4);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 10% -10%, #142034 0%, transparent 60%) , var(--bg);
  color: var(--text);
  font: 400 16px/1.8 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: -999px;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
  background: var(--surface);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  outline: 2px solid var(--primary);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(8px);
  background: linear-gradient(180deg, rgba(11,12,16,.85), rgba(11,12,16,.6));
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}
.brand-mark {
  font-size: 18px;
}
.brand-name {
  letter-spacing: .2px;
}
.brand-logo {
  height: 24px;
  width: auto;
  display: block;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}
.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}
.site-nav a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 10px;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: scale(0.98) translateY(0); }
.btn-primary {
  background: linear-gradient(180deg, var(--primary), #3ec8b7), linear-gradient(180deg, rgba(94,234,212,.4), rgba(94,234,212,.1));
  background-origin: border-box;
  background-clip: padding-box, border-box;
  color: #052d2a;
  font-weight: 700;
  box-shadow: var(--shadow);
  border: 1px solid transparent;
}
.btn-primary:hover { filter: brightness(1.02); }
.site-header .btn-primary {
  background: linear-gradient(180deg, #0f766e, #0b5f59);
  color: #ffffff;
}
.site-header .btn-primary:hover {
  filter: brightness(1.05);
}
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-sm { padding: 8px 12px; font-size: 14px; }
.btn-lg { padding: 12px 18px; font-size: 16px; }
.btn-xl { padding: 16px 22px; font-size: 18px; }

/* Hero */
.hero {
  padding: 64px 0 36px;
  background:
    radial-gradient(900px 400px at 90% -30%, rgba(94,234,212,0.08), transparent 60%),
    radial-gradient(700px 300px at 10% 10%, rgba(59,130,246,0.05), transparent 50%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 36px;
  align-items: center;
}
.hero-copy h1 {
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  position: relative;
  text-shadow: 0 10px 30px rgba(0,0,0,.45), 0 0 18px rgba(94,234,212,.08);
}
.hero-copy h1::before {
  content: "";
  position: absolute;
  inset: -10px -14px;
  background: radial-gradient(closest-side, rgba(94,234,212,.16), transparent 70%);
  filter: blur(10px);
  z-index: -1;
  border-radius: 18px;
}
.subtitle {
  margin: 0 0 18px;
  color: var(--muted);
  max-width: 54ch;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 10px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--text);
  font-size: 14px;
}
.badge .icon { color: var(--primary); }

.pricing {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 18px 0 8px;
}
.price .amount {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: .2px;
}
.price .installments {
  display: block;
  color: var(--muted);
  margin-top: 2px;
}
.guarantee {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  background: var(--primary-10);
  border: 1px solid rgba(94,234,212,.25);
  padding: 8px 12px;
  border-radius: 10px;
  width: fit-content;
}
.guarantee .icon { color: var(--primary); }
.cta-group { display: flex; gap: 12px; margin-top: 10px; flex-wrap: wrap; }
.fineprint { color: var(--muted); font-size: 12px; margin-top: 6px; }

.hero-media .cover {
  aspect-ratio: 16 / 10;
  border-radius: 16px;
  border: 1px solid var(--border);
  background:
    linear-gradient(130deg, rgba(94,234,212,.08), transparent 50%),
    url('./img/curso-fotografia-produtos-ecommerce3.webp') center/cover no-repeat,
    var(--surface-2);
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.cover-fallback {
  color: var(--muted);
  font-weight: 600;
  letter-spacing: .3px;
}

/* Video */
.video-section { padding: 18px 0 10px; }
.video-wrapper {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--surface-2);
  aspect-ratio: 16/9;
}
.responsive-iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* Showcase */
.showcase { padding: 16px 0 20px; }
.image-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.image-card {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface-2);
  box-shadow: var(--shadow);
}
.image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  transition: transform .25s ease, filter .25s ease;
}
.image-card:hover img {
  transform: scale(1.06);
  filter: saturate(1.05);
}

/* Reasons (mobile photography benefits) */
.reasons { padding: 26px 0; background: #ffffff; color: #0b0c10; }
.reasons h2 { margin: 0 0 10px; font-size: clamp(22px, 3vw, 30px); }
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.reason-item {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 0 12px;
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}
.reason-item:hover { transform: translateY(-1px); }
.reason-item[open] { border-color: #06b6d4; background: #ffffff; }
.reason-item summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 0;
  display: grid;
  grid-template-columns: 32px 1fr;
  align-items: center;
  gap: 12px;
}
.reason-item summary::-webkit-details-marker { display: none; }
.reason-icon {
  display: grid;
  place-items: center;
  width: 28px; height: 28px;
  border-radius: 999px;
  background: #ecfeff; /* cyan-50 */
  color: #0891b2;      /* cyan-700 */
  border: 1px solid #a5f3fc; /* cyan-200 */
  font-size: 14px;
}
.reason-text { display: grid; gap: 2px; }
.reason-title { font-weight: 700; }
.reason-kicker { color: #374151; font-size: 14px; }
.reason-panel { padding: 0 0 14px 44px; color: #374151; }

/* Benefits */
.benefits { padding: 32px 0; }
.benefits h2 { margin: 0 0 12px; font-size: clamp(22px, 3vw, 30px); }
.benefit-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 10px 18px;
}
.benefit-list li {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.check { color: var(--primary); font-weight: 700; }

/* ROI highlight block */
.roi-highlight {
  background: var(--surface-2);
  border: 1px solid var(--primary-10);
  border-radius: 12px;
  padding: 12px;
}

/* Anatomia pulso e divisores */
#anatomia .benefit-list li { position: relative; }
#anatomia .benefit-list li .check svg {
  animation: pulseFocus 6s ease-in-out infinite;
  transform-origin: center;
}
@keyframes pulseFocus {
  0%, 100% { transform: scale(1); opacity: .9; }
  50% { transform: scale(1.06); opacity: 1; }
}
@media (min-width: 981px) {
  #anatomia .benefit-list li:not(:nth-child(2n))::after {
    content: "";
    position: absolute;
    right: -9px;
    top: 14px;
    width: 1px;
    height: calc(100% - 28px);
    background: linear-gradient(180deg, rgba(94,234,212,.25), rgba(94,234,212,.06));
    border-radius: 1px;
  }
}

/* Glassmorphism mais profundo na seção de desafios do still */
#desafios .benefit-list li {
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  backdrop-filter: blur(10px);
  border-color: rgba(255,255,255,.12);
}
#desafios .benefit-list li:hover {
  border-color: rgba(94,234,212,.55);
  box-shadow: 0 10px 28px rgba(94,234,212,.10), 0 0 0 1px rgba(94,234,212,.25) inset;
}

/* Pilares cards: gradiente sutil com hover (apenas na seção #pilares) */
#pilares .benefit-list li {
  background: linear-gradient(180deg, rgba(94,234,212,.06), rgba(94,234,212,.02));
  transition: background .2s ease, transform .15s ease;
}
#pilares .benefit-list li:hover {
  background: linear-gradient(180deg, rgba(94,234,212,.10), rgba(94,234,212,.03));
  transform: translateY(-1px);
}
.highlights {
  display: flex; gap: 12px; flex-wrap: wrap; margin-top: 14px;
}
.highlight {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 12px;
  background: linear-gradient(180deg, rgba(94,234,212,.08), rgba(94,234,212,.03));
  border: 1px solid rgba(94,234,212,.25);
}
.h-icon { filter: saturate(0.9); }

/* Curriculum */
.curriculum { padding: 24px 0; }
.curriculum h2 { margin: 0 0 12px; font-size: clamp(22px, 3vw, 30px); }
.accordion { display: grid; gap: 10px; }
.accordion-item {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0 12px;
  transition: border-color .15s ease;
}
.accordion-item[open] { border-color: rgba(94,234,212,.35); }
.accordion-item summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}
.accordion-item summary::-webkit-details-marker { display: none; }
.accordion-item summary span {
  display: inline-grid;
  place-items: center;
  width: 28px; height: 28px;
  border-radius: 999px;
  background: var(--primary-10);
  color: var(--primary);
  border: 1px solid rgba(94,234,212,.25);
  font-size: 12px;
}
.panel { padding: 0 0 14px 40px; color: var(--muted); }

/* Método de 3 camadas (horizontal) */
.method-list {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 8px 0 14px;
  position: relative;
}
.method-step {
  display: grid;
  gap: 4px;
  align-content: start;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  min-width: 160px;
}
.method-num {
  display: inline-grid;
  place-items: center;
  width: 30px; height: 30px;
  border-radius: 999px;
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
  font-weight: 800;
  font-size: 14px;
}
.method-text { color: var(--text); font-weight: 600; }
.method-connector {
  width: 22px; height: 2px;
  background: linear-gradient(90deg, rgba(94,234,212,.4), rgba(94,234,212,.1));
  border-radius: 2px;
}
/* Linha decorativa contínua conectando os passos */
.method-list::before {
  content: "";
  position: absolute;
  top: 25px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, rgba(94,234,212,.35), rgba(94,234,212,.12));
  pointer-events: none;
  border-radius: 2px;
}
@media (max-width: 980px) {
  .method-list {
    display: grid;
    grid-template-columns: 1fr;
  }
  .method-connector { display: none; }
  .method-list::before { display: none; }
}

/* Lista de módulos como trilha de progresso */
.modules-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  position: relative;
}
@media (min-width: 981px) {
  .modules-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .modules-list::before {
    content: "";
    position: absolute;
    top: 26px;
    left: 6%;
    right: 6%;
    height: 2px;
    background: linear-gradient(90deg, rgba(94,234,212,.35), rgba(94,234,212,.12));
    border-radius: 2px;
    pointer-events: none;
  }
}
.module-item {
  position: relative;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}
.module-item:hover { transform: translateY(-2px); }
.module-item .check {
  display: grid;
  place-items: center;
  width: 28px; height: 28px;
  border-radius: 999px;
  background: var(--primary-10);
  color: var(--primary);
  border: 1px solid rgba(94,234,212,.25);
}
.module-reveal {
  color: var(--muted);
  font-size: 14px;
  margin-top: 6px;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transform: translateY(6px);
  transition: opacity .2s ease, max-height .2s ease, transform .2s ease;
}
.module-item:hover .module-reveal {
  opacity: 1;
  max-height: 160px;
  transform: translateY(0);
}

/* Bloco de garantia blindada */
.warranty-card {
  margin-top: 10px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(94,234,212,.35);
  background: linear-gradient(180deg, rgba(94,234,212,.08), rgba(94,234,212,.03));
  color: var(--text);
  display: grid;
  gap: 6px;
}

/* Learn section */
.learn { padding: 28px 0; background: #ffffff; color: #0b0c10; }
.learn h2 { margin: 0 0 8px; font-size: clamp(22px, 3vw, 30px); }
.learn-intro { color: #374151; margin: 0 0 12px; max-width: 70ch; }
.learn-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.learn-item {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 0 12px;
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}
.learn-item:hover { transform: translateY(-1px); }
.learn-item[open] { border-color: #06b6d4; background: #ffffff; }
.learn-item summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 0;
  display: grid;
  grid-template-columns: 32px 1fr;
  align-items: center;
  gap: 12px;
}
.learn-item summary::-webkit-details-marker { display: none; }
.learn-icon {
  display: grid;
  place-items: center;
  width: 28px; height: 28px;
  border-radius: 999px;
  background: #ecfeff; /* cyan-50 */
  color: #0891b2;      /* cyan-700 */
  border: 1px solid #a5f3fc; /* cyan-200 */
  font-size: 14px;
}
.learn-text { display: grid; gap: 2px; }
.learn-title { font-weight: 700; }
.learn-kicker { color: #374151; font-size: 14px; }
.learn-panel { padding: 0 0 14px 44px; color: #374151; }

/* Melhor contraste do learn-kicker em superfícies escuras */
.benefits .learn-kicker,
.audience .learn-kicker,
.curriculum .learn-kicker {
  color: var(--muted);
}

/* Audience */
.audience { padding: 26px 0; }
.audience h2 { margin: 0 0 8px; font-size: clamp(22px, 3vw, 30px); }
.audience .lead { color: var(--text); font-weight: 600; }
/* Info box destaque */
.info-box {
  margin-top: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(94,234,212,.3);
  background: linear-gradient(180deg, rgba(94,234,212,.08), rgba(94,234,212,.03));
  color: var(--text);
  font-weight: 600;
}

/* CTA pricing */
.cta-pricing { padding: 20px 0 40px; }
.cta-card {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 20px;
  background: linear-gradient(180deg, rgba(18,22,33,.9), rgba(18,22,33,.7));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.cta-content h3 { margin: 0 0 6px; font-size: 24px; }
.cta-sub { color: var(--muted); margin: 0 0 10px; }
.cta-price { display: flex; gap: 12px; align-items: baseline; margin-bottom: 8px; }
.cta-price .amount { font-weight: 800; font-size: 30px; }
.cta-price .installments { color: var(--primary); font-weight: 800; }
.cta-points { margin: 8px 0 0; padding-left: 18px; }
.cta-points li { margin-bottom: 6px; }
.cta-actions { display: grid; gap: 10px; align-content: center; justify-items: start; }
.secure { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); }
/* Card de oferta premium (gradiente e borda teal 2px) */
.cta-card--premium { background: linear-gradient(180deg, var(--surface-2), var(--bg)); border: 2px solid var(--primary); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: rgba(11,12,16,.6);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: 20px;
  padding: 18px 20px 26px;
}
.f-links {
  display: grid;
  gap: 8px;
}
.f-links a { color: var(--muted); text-decoration: none; }
.f-links a:hover { color: var(--text); }
/* Duas colunas no mobile para melhor leitura */
@media (max-width: 640px) {
  .f-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 16px;
  }
}
.footnote { color: var(--muted); }
.f-legal p { color: var(--muted); margin: 0 0 6px; }
.f-brand .brand-logo { height: 28px; }
/* Selo de qualidade no rodapé */
.quality-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  margin-top: 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 12px;
}
/* Selo de garantia (próximo ao CTA) */
.guarantee-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(94,234,212,.35);
  background: var(--primary-10);
  color: var(--primary);
  font-weight: 700;
  font-size: 12px;
}

/* Selo de acesso imediato (próximo ao CTA) */
.access-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(94,234,212,.35);
  background: var(--primary-10);
  color: var(--primary);
  font-weight: 700;
  font-size: 12px;
}

/* Ciclo visual (timeline simples) */
.cycle-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 12px 0 4px;
}
.cycle-item {
  position: relative;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  transition: transform .15s ease;
}
.cycle-item:hover {
  transform: scale(1.05);
}
.cycle-num {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--primary), #3ec8b7);
  color: #052d2a;
  font-weight: 800;
  margin-bottom: 8px;
}
.cycle-item:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 32px;
  right: -7px;
  width: 14px;
  height: 2px;
  background: linear-gradient(90deg, rgba(94,234,212,.4), rgba(94,234,212,.1));
  border-radius: 2px;
}
@media (max-width: 980px) {
  .cycle-list { grid-template-columns: 1fr; }
  .cycle-item:not(:last-child)::after { display: none; }
}

/* ROI table comparativa */
.roi-table {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}
.roi-item {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  display: grid;
  gap: 6px;
}
.roi-item h4 { margin: 0; font-size: 16px; }
.roi-item p { margin: 0; color: var(--muted); }
.roi-item--mobile {
  border-color: rgba(94,234,212,.45);
  box-shadow: 0 10px 28px rgba(94,234,212,.10), 0 0 0 1px rgba(94,234,212,.25) inset;
}

/* Fluxo — badge de produtividade e ícones com gradiente sutil */
#fluxo .benefit-list li { position: relative; }
.badge-productivity {
  position: absolute;
  top: -8px;
  left: -6px;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--primary-10);
  color: var(--primary);
  border: 1px solid rgba(94,234,212,.35);
  font-size: 11px;
  font-weight: 800;
}
#fluxo .benefit-list li svg {
  filter: drop-shadow(0 0 6px rgba(94,234,212,.18));
}

/* Passos do tutorial como âncoras visuais (step-card) */
.step-card { transition: box-shadow .2s ease, transform .15s ease, border-color .2s ease; }
.step-card .cycle-num {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  font-weight: 800;
  font-size: 18px;
}
.step-card:hover {
  box-shadow: 0 10px 30px rgba(94,234,212,.14), 0 0 0 1px rgba(94,234,212,.25) inset;
  border-color: rgba(94,234,212,.35);
}

/* Box de checklist para marketplaces */
.checklist-box { margin-top: 10px; }
.checklist-box h3 { margin: 0 0 8px; font-size: clamp(18px, 2.6vw, 22px); }
.checklist-box .benefit-list li { background: transparent; border-color: rgba(94,234,212,.25); }
.checklist-box .benefit-list .check { color: var(--primary); }

/* Gradiente de transição (ponte para o curso) */
.gradient-bridge {
  background: linear-gradient(180deg, rgba(18,22,33,.9), rgba(94,234,212,.08));
}

/* Responsive */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero { padding: 88px 0 48px; }
  .subtitle { font-size: 15px; }
  .cta-card { grid-template-columns: 1fr; }
  .benefit-list { grid-template-columns: 1fr; }
  .image-grid { grid-template-columns: 1fr; }
  .learn-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* Comparison (Antes e Depois) */
.comparison { padding: 28px 0; }
.comparison h2 { margin: 0 0 12px; font-size: clamp(22px, 3vw, 30px); }
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
}
.comparison-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  box-shadow: var(--shadow);
  position: relative;
}
.comparison-card h3 { margin: 0 0 6px; }
.comparison-card p { color: var(--muted); margin: 0; }

.comparison-card .image-card img {
  border-radius: 12px;
}
.comparison-card.is-right .image-card img {
  box-shadow: var(--shadow);
}
.badge-label {
  position: absolute;
  top: 10px;
  left: 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}
.badge-error {
  background: rgba(239,68,68,.12); /* red-500 */
  border-color: rgba(239,68,68,.35);
  color: #fecaca; /* red-200 */
}
.badge-solution {
  background: var(--primary-10);
  border-color: rgba(94,234,212,.35);
  color: var(--primary);
}
@media (max-width: 980px) {
  .comparison-grid { grid-template-columns: 1fr; }
}

/* Bio avatar circular com texto envolvente */
.instructor-img {
  float: left;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 12px 8px 0;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
@media (max-width: 980px) {
  .instructor-img {
    float: none;
    display: block;
    margin: 0 0 10px 0;
  }
}
/* Teacher section */
.teacher-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 20px;
  align-items: center;
}
.teacher-photo {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface-2);
  box-shadow: var(--shadow);
}
.teacher-photo img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.teacher-bio h3 {
  margin: 0 0 6px;
  font-size: 22px;
}
.teacher-bio p { color: var(--muted); }

@media (max-width: 980px) {
  .teacher-grid { grid-template-columns: 1fr; }
}