:root {
  --bg: #05070b;
  --bg-soft: #0b1220;
  --bg-card: rgba(10, 18, 32, 0.82);
  --line: rgba(96, 165, 250, 0.18);
  --line-strong: rgba(96, 165, 250, 0.4);
  --text: #f7fbff;
  --muted: #b2bfd3;
  --blue: #3b82f6;
  --blue-2: #60a5fa;
  --blue-3: #0f172a;
  --success: #7dd3fc;
  --danger: #f87171;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  --radius: 24px;
  --radius-sm: 18px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(59,130,246,0.18), transparent 26%),
    radial-gradient(circle at top right, rgba(96,165,250,0.12), transparent 20%),
    linear-gradient(180deg, #030508 0%, #06101d 45%, #04070c 100%);
  font-family: Inter, sans-serif;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.page-shell {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 38px 38px;
  opacity: 0.26;
}

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: rgba(4, 8, 14, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-wrap {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand img { height: 62px; width: auto; }

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.nav a:hover { color: var(--blue-2); }
.menu-btn { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 26px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: .22s ease;
}

.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-2) 100%);
  color: white;
  box-shadow: 0 12px 40px rgba(59,130,246,0.35);
}
.btn-ghost {
  border-color: rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.03);
  color: white;
}
.btn-sm { min-height: 46px; padding: 0 18px; font-size: 14px; }
.full { width: 100%; }

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-media,
.hero-media img,
.hero-overlay {
  position: absolute;
  inset: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% center;
}
.hero-overlay {
  background:
    linear-gradient(90deg, rgba(3,6,10,0.92) 0%, rgba(3,6,10,0.86) 42%, rgba(3,6,10,0.35) 100%),
    linear-gradient(180deg, rgba(4,10,18,0.25) 0%, rgba(4,10,18,0.55) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: 120px 0 84px;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(96,165,250,0.28);
  background: rgba(59,130,246,0.1);
  color: var(--blue-2);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .14em;
}

.hero h1,
.section-head h2,
.feature-copy h2,
.offer-copy h2,
.final-cta h2 {
  font-family: Rajdhani, sans-serif;
  text-transform: uppercase;
  letter-spacing: .02em;
}

.hero h1 {
  max-width: 820px;
  margin: 22px 0 0;
  font-size: clamp(54px, 8vw, 100px);
  line-height: .92;
}

.hero-title {
  max-width: 11.2ch;
  text-wrap: balance;
}

.hero-title-top {
  display: inline-block;
  margin-bottom: 8px;
  letter-spacing: .03em;
}

.hero-title-inline {
  display: inline-block;
  letter-spacing: .025em;
}

.hero-title-blue {
  color: var(--blue-2);
  text-shadow: 0 0 24px rgba(96, 165, 250, 0.18);
}

.hero h1 span,
.section-head h2 span,
.feature-copy h2 span,
.final-cta h2 span { color: var(--blue-2); }
.hero-text {
  max-width: 760px;
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.7;
  color: rgba(247,251,255,0.84);
  margin: 24px 0 0;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 620px;
  margin-top: 38px;
}
.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 116px;
  padding: 18px 18px 16px;
  border: 1px solid rgba(255,255,255,0.08);
  background: linear-gradient(180deg, rgba(8, 14, 24, 0.84), rgba(5, 10, 18, 0.92));
  backdrop-filter: blur(10px);
  border-radius: 18px;
  text-align: center;
  box-shadow: 0 18px 40px rgba(2, 8, 20, 0.28);
}
.stat-card strong {
  display: block;
  color: var(--blue-2);
  font-family: Rajdhani, sans-serif;
  font-size: 34px;
  line-height: 1;
}
.stat-card span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.partner-band {
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  background: rgba(5, 12, 22, 0.78);
}
.partner-band-inner {
  padding: 18px 0;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

.section { padding: 92px 0; position: relative; }
.section-alt { background: rgba(255,255,255,0.02); }
.dark-section { background: linear-gradient(180deg, rgba(6,11,20,0.95), rgba(4,7,12,0.98)); }

.section-head {
  max-width: 840px;
  margin-bottom: 38px;
}
.section-head.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
.section-head h2 {
  margin: 18px 0 0;
  font-size: clamp(34px, 5vw, 62px);
  line-height: .95;
}
.section-head p {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.75;
  font-size: 17px;
}
.hud {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(12, 20, 35, 0.65), rgba(8, 13, 22, 0.45));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hud::before,
.hud::after {
  content: "";
  position: absolute;
  width: 68px;
  height: 68px;
  border-color: var(--line-strong);
  pointer-events: none;
}
.hud::before {
  top: 14px;
  left: 14px;
  border-top: 2px solid;
  border-left: 2px solid;
}
.hud::after {
  right: 14px;
  bottom: 14px;
  border-right: 2px solid;
  border-bottom: 2px solid;
}

.info-grid {
  display: grid;
  gap: 22px;
}
.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.info-card {
  padding: 26px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(96,165,250,0.14);
  background: var(--bg-card);
  box-shadow: var(--shadow);
}
.info-card h3 {
  margin: 0 0 14px;
  font-family: Rajdhani, sans-serif;
  font-size: 28px;
  text-transform: uppercase;
}
.info-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}
.info-card.compact .info-title {
  color: var(--blue-2);
  font-family: Rajdhani, sans-serif;
  font-size: 34px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.impact-head {
  max-width: 980px;
}

.impact-head h2 {
  max-width: 14ch;
}

.impact-grid {
  align-items: stretch;
}

.impact-card {
  position: relative;
  overflow: hidden;
  min-height: 250px;
  padding: 0;
  background:
    radial-gradient(circle at top right, rgba(59,130,246,0.18), transparent 38%),
    linear-gradient(180deg, rgba(10, 18, 32, 0.96), rgba(5, 10, 18, 1));
  border: 1px solid rgba(96,165,250,0.2);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.impact-body {
  padding: 22px 24px 24px;
}

.impact-visual {
  display: block;
  width: 100%;
  height: 180px;
  padding: 12px;
  background: linear-gradient(180deg, rgba(12, 22, 38, 0.94), rgba(7, 13, 24, 0.98));
}

.impact-visual-cover {
  object-fit: cover;
  object-position: center;
  padding: 0;
}

.impact-visual-contain {
  object-fit: contain;
  object-position: center;
}

.impact-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #60a5fa, #2563eb 48%, transparent);
}

.impact-card:hover {
  transform: translateY(-6px);
  border-color: rgba(96,165,250,0.38);
  box-shadow: 0 26px 60px rgba(2, 6, 23, 0.48);
}

.impact-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  margin-bottom: 16px;
  border-radius: 999px;
  border: 1px solid rgba(96,165,250,0.26);
  background: rgba(10, 20, 36, 0.72);
  color: #dbeafe;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.impact-card .info-title {
  font-size: clamp(28px, 2vw, 36px);
  line-height: .95;
  margin-bottom: 12px;
  color: white;
}

.impact-card p {
  color: rgba(226,232,240,0.82);
  font-size: 15px;
  line-height: 1.75;
}
.card-positive { border-color: rgba(96,165,250,0.28); }
.card-negative { border-color: rgba(248,113,113,0.22); }
.split-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.bullet-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 14px;
}
.bullet-list li {
  position: relative;
  padding-left: 28px;
  color: var(--muted);
  line-height: 1.7;
}
.bullet-list.ok li::before,
.bullet-list.no li::before,
.bullet-list.simple li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.bullet-list.ok li::before,
.bullet-list.simple li::before {
  background: radial-gradient(circle, var(--blue-2) 0%, var(--blue) 70%);
  box-shadow: 0 0 18px rgba(59,130,246,0.45);
}
.bullet-list.no li::before {
  background: radial-gradient(circle, #f87171 0%, #ef4444 70%);
}
.light-list li { color: rgba(255,255,255,0.84); }

.feature-block {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 42px;
  align-items: center;
}
.feature-copy h2 {
  margin: 18px 0 16px;
  font-size: clamp(34px, 4vw, 58px);
  line-height: .96;
}
.feature-copy p {
  color: var(--muted);
  line-height: 1.8;
  font-size: 17px;
}
.feature-media {
  position: relative;
}
.frame {
  display: block;
  width: 100%;
  border-radius: 22px;
  border: 1px solid rgba(96,165,250,0.18);
  background: rgba(255,255,255,0.03);
  box-shadow: var(--shadow);
}
.stacked-media .large { width: 100%; }
.stacked-media .small {
  width: min(46%, 290px);
  position: absolute;
  bottom: -28px;
  right: -10px;
}
.duo-media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

#materiais .feature-block {
  grid-template-columns: 1.28fr .72fr;
  gap: 54px;
}

#materiais .duo-media {
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: stretch;
}

#materiais .duo-media .frame {
  width: 100%;
  min-height: 0;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  object-position: center;
  padding: 18px;
  background: linear-gradient(180deg, rgba(12, 22, 38, 0.96), rgba(6, 12, 22, 0.98));
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

#questoes .gallery-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

#questoes .gallery-card img {
  aspect-ratio: 16/12;
}
.gallery-card {
  margin: 0;
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid rgba(96,165,250,0.14);
  background: rgba(8, 15, 26, 0.78);
  box-shadow: var(--shadow);
}
.gallery-card img {
  width: 100%;
  aspect-ratio: 16/11;
  object-fit: cover;
}
.gallery-card figcaption {
  padding: 14px 16px 18px;
  color: white;
  font-weight: 700;
}

.teacher-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.teacher-card {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  border-radius: 24px;
  border: 1px solid rgba(96,165,250,0.22);
  box-shadow: var(--shadow);
  background: #08111e;
}
.teacher-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}
.teacher-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(4,8,14,0.9) 100%);
}
.teacher-card div {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 18px;
  z-index: 1;
}
.teacher-card span {
  display: block;
  color: var(--blue-2);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .16em;
}
.teacher-card strong {
  display: block;
  margin-top: 6px;
  font-family: Rajdhani, sans-serif;
  font-size: 28px;
  text-transform: uppercase;
}

.quote-card strong,
.quote-card span { display: block; }
.quote-card strong { margin-top: 18px; }
.quote-card span { margin-top: 6px; color: var(--blue-2); font-size: 14px; }

.offer-section {
  position: relative;
  overflow: hidden;
}
.offer-bg,
.offer-bg img,
.offer-overlay {
  position: absolute;
  inset: 0;
}
.offer-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.offer-overlay {
  background:
    linear-gradient(90deg, rgba(3,6,10,0.92) 0%, rgba(3,6,10,0.82) 45%, rgba(3,6,10,0.48) 100%),
    linear-gradient(180deg, rgba(5,12,22,0.45), rgba(5,12,22,0.72));
}
.offer-wrap {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 430px;
  gap: 34px;
  align-items: start;
}
.offer-copy h2 {
  margin: 18px 0 18px;
  max-width: 700px;
  font-size: clamp(38px, 5vw, 70px);
  line-height: .94;
}
.offer-copy p {
  max-width: 720px;
  color: rgba(255,255,255,0.84);
  line-height: 1.8;
  font-size: 18px;
}
.price-card {
  padding: 28px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(9, 14, 25, 0.88);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}
.price-tag {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(96,165,250,0.24);
  color: var(--blue-2);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .12em;
}
.price-card h3 {
  margin: 16px 0 10px;
  font-family: Rajdhani, sans-serif;
  font-size: 34px;
  line-height: .96;
  text-transform: uppercase;
}
.old-price {
  color: rgba(255,255,255,0.54);
  text-decoration: line-through;
  font-size: 18px;
}
.installment-label,
.cash-price {
  color: rgba(255,255,255,0.78);
}
.installment-label { margin-top: 8px; }
.installment-price {
  margin-top: 6px;
  font-family: Rajdhani, sans-serif;
  font-size: 78px;
  line-height: .9;
  color: var(--blue-2);
}
.cash-price {
  margin-top: 8px;
  font-size: 18px;
}
.guarantee-box {
  margin-top: 22px;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
}
.guarantee-box strong {
  display: block;
  font-family: Rajdhani, sans-serif;
  font-size: 26px;
  text-transform: uppercase;
}
.guarantee-box p {
  margin: 8px 0 0;
  color: rgba(255,255,255,0.78);
  line-height: 1.65;
}

.center-block {
  text-align: center;
  max-width: 860px;
}
.final-cta h2 {
  margin: 0;
  font-size: clamp(40px, 6vw, 84px);
  line-height: .92;
}
.final-cta p {
  color: var(--muted);
  max-width: 700px;
  margin: 16px auto 0;
  line-height: 1.8;
  font-size: 18px;
}
.final-cta .btn { margin-top: 24px; }

.faq-wrap { max-width: 900px; }
.faq-list {
  display: grid;
  gap: 16px;
}
.faq-list details {
  border-radius: 18px;
  border: 1px solid rgba(96,165,250,0.14);
  background: rgba(10, 17, 29, 0.78);
  padding: 0 22px;
  box-shadow: var(--shadow);
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 0;
  font-weight: 700;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list p {
  margin: 0 0 20px;
  color: var(--muted);
  line-height: 1.75;
}

.footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  background: rgba(5,8,14,0.94);
}
.footer-wrap {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  padding: 26px 0;
}
.footer img { height: 64px; width: auto; }
.footer p { max-width: 680px; color: var(--muted); line-height: 1.7; }

@media (max-width: 1100px) {
  .cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .teacher-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .offer-wrap { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  body {
    padding-top: 88px;
  }
  .topbar {
    position: fixed;
    left: 0;
    right: 0;
  }
  .nav-wrap {
    min-height: 88px;
    gap: 12px;
  }
  .nav {
    position: fixed;
    top: 88px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    max-height: calc(100vh - 112px);
    overflow-y: auto;
    padding: 16px;
    border-radius: 20px;
    background: rgba(8, 13, 23, 0.98);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: var(--shadow);
  }
  .nav a {
    width: 100%;
    padding: 12px 10px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav a:last-child { border-bottom: 0; }
  .nav.open { display: flex; }
  .menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.04);
    color: white;
    font-size: 20px;
  }
  .nav-wrap > .btn-sm { display: none; }
  .hero { min-height: auto; }
  .hero-content { padding: 74px 0 58px; }
  .hero-title {
    max-width: 100%;
    text-wrap: pretty;
  }
  .hero-text { max-width: 100%; }
  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    max-width: 100%;
    align-items: stretch;
  }
  .stat-card {
    padding: 16px 12px 14px;
    text-align: center;
  }
  .stat-card strong {
    font-size: 30px;
  }
  .stat-card span {
    font-size: 11px;
    letter-spacing: .11em;
  }
  .split-grid,
  .cols-3,
  .feature-block,
  .duo-media,
  .footer-wrap {
    grid-template-columns: 1fr;
    flex-direction: column;
  }
  .feature-block {
    display: grid;
    gap: 28px;
  }
  .feature-copy,
  .feature-media {
    width: 100%;
  }
  #materiais .feature-block {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  #materiais .feature-copy {
    order: 1;
  }
  #materiais .feature-media {
    order: 2;
  }
  #materiais .feature-media,
  #materiais .duo-media,
  #materiais .duo-media .frame {
    width: 100%;
  }
  #materiais .duo-media .frame {
    aspect-ratio: 16 / 10;
  }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .impact-card { min-height: 0; }
  .impact-visual { height: 160px; }
}

@media (max-width: 640px) {
  body {
    padding-top: 82px;
  }
  .container { width: min(calc(100% - 20px), var(--container)); }
  .nav-wrap { min-height: 82px; }
  .brand img { height: 50px; }
  .nav {
    top: 82px;
    left: 10px;
    right: 10px;
  }
  .section { padding: 62px 0; }
  .hud { padding: 22px 18px; }
  .section-head h2,
  .feature-copy h2,
  .offer-copy h2,
  .final-cta h2 { font-size: 38px; }
  .hero h1 {
    font-size: 38px;
    line-height: .98;
    margin-top: 18px;
  }
  .hero-title-top { margin-bottom: 6px; }
  .hero-title-inline { letter-spacing: .01em; }
  .hero-text,
  .section-head p,
  .feature-copy p,
  .offer-copy p,
  .final-cta p { font-size: 16px; }
  .eyebrow,
  .section-kicker {
    font-size: 11px;
    letter-spacing: .16em;
    padding: 8px 12px;
  }
  .cols-4,
  .teacher-grid { grid-template-columns: 1fr; }
  .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    justify-items: center;
    margin-inline: auto;
  }
  .stat-card {
    width: 100%;
    max-width: 112px;
    min-height: 102px;
    padding: 14px 10px 12px;
    border-radius: 16px;
  }
  .stat-card strong {
    font-size: 26px;
  }
  .stat-card span {
    margin-top: 5px;
    font-size: 10px;
    line-height: 1.25;
    letter-spacing: .1em;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  #questoes .gallery-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  #questoes .gallery-card img {
    aspect-ratio: 16 / 10;
    object-fit: contain;
    object-position: center;
    padding: 18px;
    background: linear-gradient(180deg, rgba(12, 22, 38, 0.96), rgba(6, 12, 22, 0.98));
  }
  #questoes .gallery-card figcaption {
    text-align: center;
    font-size: 15px;
  }
  #materiais .duo-media {
    gap: 18px;
  }
  #materiais .duo-media .frame {
    display: block;
    width: 100%;
    min-height: 0;
    aspect-ratio: 16 / 10;
    object-fit: contain;
    object-position: center;
    padding: 14px;
  }
  .impact-body,
  .info-card,
  .teacher-card div { padding-left: 18px; padding-right: 18px; }
  .impact-visual { height: 148px; }
  .teacher-card { min-height: 360px; }
  .stacked-media .small {
    position: static;
    width: 100%;
    margin-top: 16px;
  }
  .installment-price { font-size: 58px; }
  .price-card h3 { font-size: 28px; }
  .footer-wrap { align-items: flex-start; }
}