:root {
  --papel: #FCFAF7;
  --marfim: #F4F0EA;
  --branco: #FFFFFF;
  --tinta: #211E23;
  --grafite: #4A454B;
  --cinza: #8A8389;
  --linha: #D9D2CA;
  --ameixa: #6B3F5D;
  --ameixa-escura: #533047;
  --petroleo: #35636A;
  --rosa: #B66F7D;
  --ocre: #B18A4D;
  --azul-suave: #E3ECEC;
  --rosa-suave: #EEE5EB;
  --ocre-suave: #F1E9D9;
  --sucesso: #E6EEE8;
  --erro: #F4E5E3;
  --sombra: 0 18px 55px rgba(33, 30, 35, .09);
  --raio: 18px;
  --raio-menor: 10px;
  --container: 1140px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--tinta);
  background:
    radial-gradient(circle at 10% 5%, rgba(53, 99, 106, .06), transparent 28rem),
    radial-gradient(circle at 90% 12%, rgba(182, 111, 125, .06), transparent 28rem),
    var(--papel);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 1000;
  padding: 10px 14px;
  background: var(--tinta);
  color: var(--branco);
  border-radius: 8px;
}
.skip-link:focus { top: 16px; }

.container { width: min(calc(100% - 36px), var(--container)); margin: 0 auto; }
.section { padding: 82px 0; position: relative; }
.section-sm { padding: 52px 0; }
.section-soft { background: rgba(244, 240, 234, .72); }
.section-ink { background: var(--tinta); color: var(--branco); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(217, 210, 202, .86);
  background: rgba(252, 250, 247, .93);
  backdrop-filter: blur(15px);
}
.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 10px 0;
}
.brand { display: flex; align-items: center; gap: 16px; text-decoration: none; }
.brand-mark { width: 44px; height: 44px; flex: 0 0 44px; }
.brand-copy strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.02rem;
  line-height: 1.15;
  font-weight: 600;
}
.brand-copy span {
  display: block;
  margin-top: 4px;
  color: var(--grafite);
  font-size: .72rem;
  line-height: 1.25;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.nav { display: flex; gap: 22px; align-items: center; }
.nav a { color: var(--grafite); text-decoration: none; font-size: .9rem; font-weight: 700; }
.nav a:hover { color: var(--ameixa); }
.nav .nav-cta { color: var(--branco); background: var(--ameixa); padding: 10px 14px; border-radius: 8px; }

h1, h2, h3, h4 {
  margin-top: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -.025em;
}
h1 { margin-bottom: 24px; font-size: clamp(2.65rem, 6vw, 5.2rem); }
h2 { margin-bottom: 20px; font-size: clamp(2rem, 4.3vw, 3.45rem); }
h3 { margin-bottom: 12px; font-size: 1.55rem; }
p { margin: 0 0 1rem; }
.lead { color: var(--grafite); font-size: 1.12rem; max-width: 65ch; }
.eyebrow {
  margin: 0 0 12px;
  color: var(--ameixa);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.section-number {
  display: block;
  margin-bottom: 6px;
  color: rgba(107, 63, 93, .20);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 3.4rem;
  line-height: 1;
}
.muted { color: var(--cinza); }
.small { font-size: .88rem; }

.btn {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 9px;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--ameixa); color: var(--branco); box-shadow: 0 12px 28px rgba(107, 63, 93, .20); }
.btn-primary:hover { background: var(--ameixa-escura); }
.btn-secondary { background: var(--branco); color: var(--petroleo); border-color: rgba(53, 99, 106, .32); }
.btn-secondary:hover { background: var(--azul-suave); }
.btn-light { background: var(--branco); color: var(--tinta); }
.btn-disabled { opacity: .62; cursor: not-allowed; box-shadow: none; }
.btn-disabled:hover { transform: none; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.hero { padding: 76px 0 88px; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  width: 56%;
  height: 72%;
  left: -10%;
  top: 0;
  z-index: -1;
  border-radius: 0 0 58px 0;
  background: linear-gradient(135deg, rgba(227, 236, 236, .92), rgba(238, 229, 235, .75));
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(330px, .9fr); gap: 58px; align-items: center; }
.hero-copy h1 { max-width: 13ch; }
.margin-note { margin-top: 28px; padding: 3px 0 3px 18px; border-left: 3px solid var(--rosa); color: var(--grafite); max-width: 62ch; }
.brand-bars { display: flex; gap: 8px; margin: 26px 0; }
.brand-bars span { height: 5px; border-radius: 999px; }
.brand-bars span:nth-child(1) { width: 68px; background: var(--petroleo); }
.brand-bars span:nth-child(2) { width: 44px; background: var(--rosa); }
.brand-bars span:nth-child(3) { width: 30px; background: var(--ocre); }

.paper-card, .card, .form-card, .offer-card, .lesson-card, .legal-card {
  background: var(--branco);
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  box-shadow: var(--sombra);
}
.paper-card { padding: 34px; transform: rotate(1deg); }
.paper-card .stamp { color: rgba(107, 63, 93, .24); font-family: Georgia, serif; font-size: 4rem; line-height: 1; }
.paper-card h2 { margin-top: 48px; color: var(--ameixa); }
.paper-card .paper-footer { margin-top: 50px; padding-top: 16px; border-top: 1px dotted var(--ocre); color: var(--grafite); }
.card { padding: 28px; }
.card.soft-blue { background: var(--azul-suave); }
.card.soft-rose { background: var(--rosa-suave); }
.card.soft-ochre { background: var(--ocre-suave); }
.card p:last-child { margin-bottom: 0; }

.form-card { padding: 28px; }
.form-card h2 { font-size: 2.15rem; }
.field { margin-bottom: 17px; }
.field label { display: block; margin-bottom: 6px; font-weight: 700; }
.field label span { color: var(--cinza); font-weight: 400; }
.field input {
  width: 100%;
  padding: 14px 15px;
  border: 1px solid var(--linha);
  border-radius: 9px;
  color: var(--tinta);
  background: var(--branco);
}
.field input:focus { outline: none; border-color: var(--ameixa); box-shadow: 0 0 0 3px rgba(107, 63, 93, .12); }
.field small { display: block; margin-top: 5px; color: var(--cinza); }
.checkbox { display: grid; grid-template-columns: 18px 1fr; gap: 11px; margin: 20px 0; align-items: start; }
.checkbox input { width: 18px; height: 18px; margin-top: 4px; accent-color: var(--ameixa); }
.checkbox label { color: var(--grafite); font-size: .92rem; }
.form-card .btn { width: 100%; }
.form-status { min-height: 24px; margin: 12px 0 0; font-size: .9rem; }
.form-status.error { color: #8E534E; }
.form-status.success { color: #33644A; }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.section-intro { max-width: 760px; margin-bottom: 40px; }
.section-intro p { color: var(--grafite); font-size: 1.06rem; }
.list-clean { margin: 0; padding-left: 1.18rem; }
.list-clean li { margin-bottom: 9px; }
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li { position: relative; padding-left: 28px; margin-bottom: 11px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--petroleo); font-weight: 900; }

.trust-strip { background: var(--tinta); color: var(--branco); padding: 22px 0; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; text-align: center; }
.trust-grid strong { display: block; font-family: Georgia, serif; font-size: 1.3rem; }
.trust-grid span { color: rgba(255, 255, 255, .72); font-size: .86rem; }

.module-card { padding: 26px; border-left: 4px solid var(--ameixa); }
.module-card:nth-child(2) { border-left-color: var(--petroleo); }
.module-card:nth-child(3) { border-left-color: var(--ocre); }
.module-card .module-label { color: var(--cinza); font-size: .74rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }

.offer-section { background: var(--tinta); color: var(--branco); }
.offer-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; }
.offer-copy p { color: rgba(255, 255, 255, .74); }
.offer-card { padding: 28px; color: var(--tinta); }
.price { margin: 12px 0 3px; font-family: Georgia, serif; font-size: 3rem; color: var(--ameixa); }
.offer-card .btn { width: 100%; margin-top: 18px; }

.video-shell { overflow: hidden; border-radius: var(--raio); background: #171519; box-shadow: var(--sombra); }
.video-stage { position: relative; aspect-ratio: 16 / 9; display: grid; place-items: center; background: radial-gradient(circle at 25% 20%, rgba(53, 99, 106, .48), transparent 35%), radial-gradient(circle at 75% 75%, rgba(182, 111, 125, .38), transparent 34%), #18161a; }
.video-stage iframe, .video-stage video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-placeholder { max-width: 560px; padding: 36px; color: var(--branco); text-align: center; }
.play-mark { width: 72px; height: 72px; display: grid; place-items: center; margin: 0 auto 18px; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; font-size: 1.7rem; }
.lesson-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 22px; }
.meta { padding: 12px; border: 1px solid var(--linha); border-radius: 9px; background: var(--marfim); }
.meta span { display: block; color: var(--cinza); font-size: .7rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.meta strong { display: block; margin-top: 3px; font-size: .9rem; }

.callout { padding: 26px; border-radius: var(--raio); background: var(--azul-suave); border-left: 4px solid var(--petroleo); }
.callout.rose { background: var(--rosa-suave); border-left-color: var(--rosa); }
.callout.ochre { background: var(--ocre-suave); border-left-color: var(--ocre); }

.legal-wrap { max-width: 860px; }
.legal-card { padding: 34px; }
.legal-card h2 { margin-top: 38px; font-size: 2rem; }
.legal-card h3 { margin-top: 28px; font-size: 1.35rem; }
.legal-card ul { padding-left: 1.2rem; }

.site-footer { border-top: 1px solid var(--linha); background: rgba(244,240,234,.52); padding: 34px 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .6fr; gap: 34px; align-items: start; }
.footer-title { margin: 0 0 8px; font-family: Georgia, serif; font-size: 1.2rem; }
.footer-copy { color: var(--grafite); max-width: 54ch; }
.footer-links { display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
.footer-links a { color: var(--grafite); text-decoration: none; }
.footer-links a:hover { color: var(--ameixa); }
.footer-bottom { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--linha); color: var(--cinza); font-size: .82rem; }

.mobile-cta { display: none; }

@media (max-width: 900px) {
  .nav a:not(.nav-cta) { display: none; }
  .hero-grid, .offer-grid, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero { padding-top: 56px; }
  .hero::before { width: 90%; height: 54%; }
  .paper-card { transform: none; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { align-items: flex-start; }
  .lesson-meta { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 62px 0; }
  .brand-copy span { display: none; }
  .nav-cta { font-size: .82rem; }
  h1 { font-size: clamp(2.45rem, 13vw, 3.45rem); }
  h2 { font-size: 2.25rem; }
  .form-card, .paper-card, .card, .offer-card, .legal-card { padding: 22px; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .button-row { flex-direction: column; }
  .button-row .btn { width: 100%; }
  .mobile-cta {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--linha);
    background: rgba(252,250,247,.96);
  }
  .mobile-cta .btn { width: 100%; }
  body.has-mobile-cta { padding-bottom: 78px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}