:root {
  --green: #00C16E;
  --green-dark: #00A05C;
  --green-light: #E6FFF4;
  --navy: #0F172A;
  --navy-mid: #1E293B;
  --white: #FFFFFF;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --text: #1E293B;
  --text-muted: #64748B;
  --font: 'Inter', sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

/* ─── UTILS ─── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  transition: all .2s;
  border: 2px solid transparent;
}

.btn-green {
  background: var(--green);
  color: #fff;
}
.btn-green:hover { background: var(--green-dark); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.4);
}
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.08); }

.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-full { width: 100%; }

.text-green { color: var(--green); }

.badge {
  display: inline-block;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.section-tag {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--text-muted);
  margin-bottom: 16px;
  text-transform: uppercase;
}
.tag-green { color: var(--green); }

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 32px;
  text-align: center;
}
.section-title.left { text-align: left; }
.section-title.white { color: #fff; }

.section {
  padding: 96px 0;
}
.section-white { background: var(--white); }
.section-gray { background: var(--gray-50); }
.section-dark { background: var(--navy); }

/* ─── NAV ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: background .3s, box-shadow .3s;
}
.nav--scrolled {
  background: var(--navy);
  box-shadow: 0 2px 24px rgba(0,0,0,.3);
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 72px;
}
.nav__logo {
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-dot { color: var(--green); }
.nav__links {
  display: flex;
  list-style: none;
  gap: 28px;
  margin-left: auto;
}
.nav__links a {
  color: rgba(255,255,255,.8);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color .2s;
}
.nav__links a:hover { color: #fff; }
.nav__cta { margin-left: 8px; padding: 10px 22px; font-size: 0.9rem; }
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  padding: 4px;
}
.nav__hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: #fff;
  border-radius: 2px;
}
.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  background: var(--navy-mid);
  padding: 16px 24px;
}
.nav__mobile a {
  color: rgba(255,255,255,.85);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav__mobile a:last-child { border: none; margin-top: 16px; }
.nav__mobile.open { display: flex; }

/* ─── HERO ─── */
.hero {
  background: var(--navy);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,193,110,.15) 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.hero__title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 24px;
}
.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.7);
  max-width: 580px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.hero__ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.hero__social-proof {
  font-size: 0.85rem;
  color: rgba(255,255,255,.5);
}
.hero__social-proof strong { color: rgba(255,255,255,.8); }
.hero__scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.3);
  font-size: 1.4rem;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ─── PROBLEMA ─── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 16px;
}
.stat-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
}
.stat-num {
  display: block;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  color: var(--green);
  line-height: 1;
  margin-bottom: 10px;
}
.stat-label {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.stats-source {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 48px;
}
.dores-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.dor-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: border-color .2s, transform .2s;
}
.dor-card:hover { border-color: var(--green); transform: translateY(-2px); }
.dor-icon { font-size: 1.8rem; flex-shrink: 0; }
.dor-card p { font-size: 0.95rem; color: var(--text); font-weight: 500; line-height: 1.5; }
.problema-cta {
  background: var(--green-light);
  border: 1px solid rgba(0,193,110,.3);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.problema-cta p { font-size: 1.1rem; color: var(--text); }

/* ─── SOBRE ─── */
.sobre__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.sobre__text .section-tag { text-align: left; }
.sobre__desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}
.sobre__desc:last-of-type { margin-bottom: 32px; }
.mockup-placeholder {
  background: var(--gray-100);
  border: 2px dashed var(--gray-200);
  border-radius: var(--radius-lg);
  height: 360px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-muted);
}
.mockup-placeholder span { font-size: 3rem; }
.mockup-placeholder p { font-weight: 600; }
.mockup-placeholder small { font-size: 0.8rem; opacity: .6; }

/* ─── FUNCIONALIDADES ─── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color .2s, transform .2s;
}
.feature-card:hover { border-color: var(--green); transform: translateY(-4px); }
.feature-icon { font-size: 2rem; display: block; margin-bottom: 16px; }
.feature-card h3 { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
.feature-card p { font-size: 0.88rem; color: rgba(255,255,255,.6); line-height: 1.6; }

/* ─── CURSO ─── */
.curso__sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 560px;
  margin: -16px auto 48px;
  line-height: 1.7;
}
.aulas-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 720px;
  margin: 0 auto;
}
.aula-card {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px 28px;
  transition: border-color .2s;
}
.aula-card:hover { border-color: var(--green); }
.aula-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--green);
  opacity: .4;
  flex-shrink: 0;
  line-height: 1;
  min-width: 48px;
}
.aula-content h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.aula-content p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }

/* ─── PREÇO ─── */
.preco__inner { text-align: center; }
.preco-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px;
  max-width: 480px;
  margin: 0 auto;
  border: 2px solid var(--green);
  box-shadow: 0 0 60px rgba(0,193,110,.2);
}
.preco-card__header { margin-bottom: 32px; }
.preco-nome {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.preco-valor {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}
.preco-moeda { font-size: 1.5rem; font-weight: 700; color: var(--text); }
.preco-numero { font-size: clamp(3rem, 8vw, 4.5rem); font-weight: 900; color: var(--text); line-height: 1; }
.preco-periodo { font-size: 1.1rem; font-weight: 500; color: var(--text-muted); }
.preco-sub { font-size: 0.85rem; color: var(--text-muted); }
.preco-lista {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.preco-lista li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text);
}
.check {
  color: var(--green);
  font-weight: 900;
  font-size: 1rem;
  flex-shrink: 0;
}
.preco-seguro {
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ─── FAQ ─── */
.faq__inner { max-width: 720px; margin: 0 auto; }
.faq__inner .section-tag,
.faq__inner .section-title { text-align: center; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: var(--white);
  border: none;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  gap: 16px;
  transition: background .2s;
}
.faq-question:hover { background: var(--gray-50); }
.faq-icon {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--green);
  flex-shrink: 0;
  transition: transform .2s;
  line-height: 1;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-item.open .faq-answer { max-height: 200px; }
.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ─── CTA FINAL ─── */
.cta-final {
  background: linear-gradient(135deg, #00A05C 0%, #00C16E 100%);
  padding: 96px 0;
  text-align: center;
}
.cta-final__inner h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.2;
}
.cta-final__inner p {
  font-size: 1.1rem;
  color: rgba(255,255,255,.85);
  margin-bottom: 36px;
}
.cta-final .btn-green {
  background: #fff;
  color: var(--green-dark);
}
.cta-final .btn-green:hover { background: var(--gray-100); }

/* ─── FOOTER ─── */
.footer {
  background: var(--navy);
  padding: 32px 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer__copy {
  font-size: 0.82rem;
  color: rgba(255,255,255,.4);
}
.footer__links {
  display: flex;
  gap: 20px;
}
.footer__links a {
  font-size: 0.82rem;
  color: rgba(255,255,255,.4);
  text-decoration: none;
  transition: color .2s;
}
.footer__links a:hover { color: rgba(255,255,255,.8); }

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .section { padding: 64px 0; }

  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }

  .stats-row { grid-template-columns: 1fr; }
  .dores-grid { grid-template-columns: 1fr; }
  .sobre__inner { grid-template-columns: 1fr; gap: 40px; }
  .features-grid { grid-template-columns: 1fr; }

  .hero__ctas { flex-direction: column; align-items: center; }
  .btn-lg { width: 100%; max-width: 320px; }

  .preco-card { padding: 32px 24px; }

  .footer__inner { flex-direction: column; align-items: center; text-align: center; }

  .aula-card { padding: 20px; }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .dores-grid { grid-template-columns: 1fr; }
}