/* ==========================================================
   Masterclass: Do Comportamento à Aprendizagem
   CSS leve, sem dependências externas (rápido e seguro)
   ========================================================== */

:root {
  --ink: #0f1f3d;
  --navy: #12264a;
  --navy-2: #0a1630;
  --teal: #0e7c86;
  --teal-soft: #e3f3f1;
  --gold: #f7b32b;
  --gold-dark: #e09a10;
  --cream: #fbf8f3;
  --text: #2b3550;
  --muted: #5d6783;
  --line: #e6e2d9;
  --white: #fff;
  --radius: 18px;
  --shadow: 0 18px 50px -20px rgba(15, 31, 61, .35);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 76px; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--serif); color: var(--ink); line-height: 1.15; margin: 0 0 .5em; font-weight: 700; }
p { margin: 0 0 1em; }
ul { padding: 0; margin: 0; list-style: none; }

.wrap { width: min(1140px, 100% - 2.5rem); margin-inline: auto; }
.wrap--narrow { width: min(820px, 100% - 2.5rem); }
.center { text-align: center; margin-top: 2.5rem; }

.skip { position: absolute; left: -999px; top: 0; background: var(--gold); color: var(--ink); padding: .75rem 1rem; z-index: 100; font-weight: 700; }
.skip:focus { left: 0; }

:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; border-radius: 6px; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  background: linear-gradient(180deg, #ffc443, var(--gold));
  color: var(--ink);
  font-weight: 800; letter-spacing: .01em; text-decoration: none; text-align: center;
  padding: .9rem 1.6rem; border-radius: 999px;
  box-shadow: 0 10px 24px -8px rgba(247, 179, 43, .7), inset 0 -2px 0 rgba(0, 0, 0, .08);
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.04); box-shadow: 0 16px 30px -10px rgba(247, 179, 43, .85); }
.btn:active { transform: translateY(0); }
.btn--sm { padding: .55rem 1.1rem; font-size: .95rem; }
.btn--lg { padding: 1.1rem 2.1rem; font-size: 1.1rem; }
.btn--block { display: flex; width: 100%; }

/* ---------- Topo ---------- */
.topbar { position: sticky; top: 0; z-index: 50; background: rgba(10, 22, 48, .92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255, 255, 255, .08); }
.topbar__in { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; }
.brand { display: flex; align-items: center; gap: .6rem; color: var(--white); text-decoration: none; font-family: var(--serif); font-weight: 700; font-size: 1.1rem; }
.nav { display: none; gap: 1.6rem; }
.nav a { color: #cdd5ea; text-decoration: none; font-size: .95rem; font-weight: 500; }
.nav a:hover { color: var(--gold); }
@media (min-width: 860px) { .nav { display: flex; } }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; color: #dfe6f7; padding: clamp(3rem, 8vw, 6rem) 0; background: radial-gradient(1200px 600px at 85% -10%, #1b3b6f 0%, transparent 60%), linear-gradient(160deg, var(--navy-2), var(--navy) 60%, #0b3b4a); }
.hero__glow { position: absolute; width: 520px; height: 520px; right: -140px; bottom: -200px; background: radial-gradient(circle, rgba(247, 179, 43, .25), transparent 65%); pointer-events: none; }
.hero__grid { position: relative; display: grid; gap: 3rem; align-items: center; }
@media (min-width: 980px) { .hero__grid { grid-template-columns: 1.25fr .75fr; } }
.hero h1 { color: var(--white); font-size: clamp(2.2rem, 5.5vw, 3.8rem); letter-spacing: -.01em; }
.hero h1 em { font-style: italic; color: var(--gold); }
.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: #cfd8ee; max-width: 62ch; }
.lead strong { color: var(--white); }

.eyebrow { display: inline-block; font-size: .8rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--gold); background: rgba(247, 179, 43, .12); border: 1px solid rgba(247, 179, 43, .35); padding: .35rem .85rem; border-radius: 999px; margin-bottom: 1.2rem; }
.eyebrow--dark { color: var(--teal); background: var(--teal-soft); border-color: rgba(14, 124, 134, .25); }

.hero__cta { display: flex; flex-wrap: wrap; align-items: center; gap: 1.2rem 1.8rem; margin: 2rem 0 1.6rem; }
.price { margin: 0; display: flex; flex-direction: column; line-height: 1.2; }
.price span { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: #9fb0d6; }
.price strong { font-family: var(--serif); font-size: 2rem; color: var(--white); }

.trust { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; font-size: .92rem; color: #b9c6e4; }
.trust li { display: flex; align-items: center; gap: .45rem; }
.trust svg { color: var(--gold); flex: none; }

.card-glass { background: linear-gradient(160deg, rgba(255, 255, 255, .12), rgba(255, 255, 255, .04)); border: 1px solid rgba(255, 255, 255, .18); border-radius: 24px; padding: 1.8rem; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .6); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.card-glass__tag { font-size: .8rem; text-transform: uppercase; letter-spacing: .14em; color: var(--gold); font-weight: 800; }
.card-glass__note { margin: .9rem 0 0; font-size: .85rem; color: #9fb0d6; text-align: center; }
.check { margin-bottom: 1.5rem; }
.check li { position: relative; padding: .7rem 0 .7rem 2rem; border-bottom: 1px solid rgba(255, 255, 255, .1); color: #cfd8ee; }
.check li:last-child { border-bottom: 0; }
.check li::before { content: ""; position: absolute; left: 0; top: 1rem; width: 1.15rem; height: 1.15rem; border-radius: 50%; background: var(--gold) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m6 12.500 4 4 8-9' fill='none' stroke='%230f1f3d' stroke-width='3.500' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/70% no-repeat; }
.check span { color: var(--white); font-weight: 700; }

/* ---------- Seções ---------- */
.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section--soft { background: #f3eee4; }
.section--dark { background: linear-gradient(160deg, var(--navy-2), var(--navy)); color: #cfd8ee; }
.section--dark h2 { color: var(--white); }
.section--video { background: linear-gradient(180deg, var(--cream), #f3eee4); }
.section__head { text-align: center; max-width: 760px; margin: 0 auto 3rem; }
.section__head h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); }
.sub { color: var(--muted); font-size: 1.15rem; }

/* ---------- Vídeo ---------- */
.video { position: relative; aspect-ratio: 16 / 9; border-radius: 22px; overflow: hidden; background: linear-gradient(135deg, var(--navy), #0b3b4a); box-shadow: var(--shadow); border: 6px solid var(--white); }
.video iframe, .video__thumb { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video__thumb { padding: 0; cursor: pointer; background: #000; border: 0; }
.video__thumb img { width: 100%; height: 100%; object-fit: cover; opacity: .85; transition: opacity .3s, transform .5s; }
.video__thumb:hover img { opacity: 1; transform: scale(1.03); }
.video__play { position: absolute; inset: 0; margin: auto; width: 88px; height: 88px; border-radius: 50%; background: var(--gold); color: var(--ink); display: grid; place-items: center; box-shadow: 0 0 0 12px rgba(247, 179, 43, .3); transition: transform .2s; }
.video__thumb:hover .video__play { transform: scale(1.08); }
.video__placeholder { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: .8rem; color: #cfd8ee; text-align: center; }
.video__placeholder svg { color: var(--gold); }
.video__placeholder p { margin: 0; font-weight: 600; }

/* ---------- Painéis ---------- */
.split { display: grid; gap: 1.5rem; }
@media (min-width: 820px) { .split { grid-template-columns: 1fr 1fr; } }
.panel { padding: 2rem; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow); border-top: 6px solid var(--teal); }
.panel--alert { border-top-color: #d6573d; }
.panel h3 { font-size: 1.5rem; }
.panel p:last-child { margin: 0; }

/* ---------- Cards ---------- */
.cards { display: grid; gap: 1.5rem; }
@media (min-width: 900px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); transition: transform .25s ease; }
.card:hover { transform: translateY(-6px); }
.card__icon { width: 56px; height: 56px; display: grid; place-items: center; border-radius: 16px; background: var(--ink); color: var(--gold); margin-bottom: 1.2rem; }
.badge { display: inline-block; font-size: .75rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; color: var(--teal); margin-bottom: .5rem; }
.card h3 { font-size: 1.4rem; }
.card p:last-child { margin: 0; color: var(--muted); }

/* ---------- Público ---------- */
.audience { display: grid; gap: 1rem; }
@media (min-width: 760px) { .audience { grid-template-columns: 1fr 1fr; } }
.audience li { padding: 1.4rem 1.6rem; border-radius: 16px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); display: flex; flex-direction: column; gap: .3rem; }
.audience strong { color: var(--white); font-family: var(--serif); font-size: 1.2rem; }

/* ---------- Autora ---------- */
#autora { overflow: hidden; }
.author { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 860px) { .author { grid-template-columns: 340px 1fr; gap: 3.5rem; } }
.author__photo { margin: 0; justify-self: center; width: min(340px, 100%); position: relative; }
.author__photo::before { content: ""; position: absolute; inset: 18px -18px -18px 18px; border: 3px solid var(--gold); border-radius: 26px; z-index: 0; }
.author__photo img { position: relative; z-index: 1; width: 100%; height: auto; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 26px; box-shadow: var(--shadow); }
.author h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: .2em; }
.author__role { color: var(--teal); font-weight: 700; }

/* ---------- FAQ ---------- */
.faq details { background: var(--white); border: 1px solid var(--line); border-radius: 14px; margin-bottom: .8rem; overflow: hidden; }
.faq summary { cursor: pointer; padding: 1.1rem 1.4rem; font-weight: 700; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.6rem; line-height: 1; color: var(--teal); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 1.4rem 1.2rem; margin: 0; color: var(--muted); }

/* ---------- CTA final ---------- */
.final { padding: clamp(3.5rem, 8vw, 5.5rem) 0; text-align: center; color: #dfe6f7; background: radial-gradient(800px 400px at 50% 0%, #1b3b6f, transparent 70%), linear-gradient(160deg, var(--navy-2), #0b3b4a); }
.final h2 { color: var(--white); font-size: clamp(1.8rem, 4.5vw, 2.8rem); max-width: 20ch; margin-inline: auto; }
.final strong { color: var(--gold); }
.final__note { margin: 1rem 0 0; font-size: .9rem; color: #9fb0d6; }

/* ---------- Rodapé ---------- */
.footer { background: var(--navy-2); color: #9fb0d6; padding: 2.5rem 0 1.5rem; font-size: .9rem; }
.footer__in { display: grid; gap: 1.5rem; }
@media (min-width: 860px) { .footer__in { grid-template-columns: 1.6fr 1fr; } }
.footer__brand { color: var(--white); font-family: var(--serif); font-size: 1.15rem; font-weight: 700; }
.footer__small { max-width: 70ch; line-height: 1.55; }
.footer__links { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; align-content: start; }
@media (min-width: 860px) { .footer__links { justify-content: flex-end; } }
.footer__links a { color: #cdd5ea; }
.footer__links a:hover { color: var(--gold); }
.footer__copy { text-align: center; margin: 2rem 0 0; padding: 1.2rem 1rem 0; border-top: 1px solid rgba(255, 255, 255, .1); }

/* ---------- Botão fixo (celular) ---------- */
.sticky { position: fixed; inset: auto 0 0 0; z-index: 60; padding: .7rem 1rem calc(.7rem + env(safe-area-inset-bottom)); background: rgba(10, 22, 48, .95); border-top: 1px solid rgba(255, 255, 255, .12); transform: translateY(110%); transition: transform .3s ease; display: none; }
.sticky.is-on { transform: none; }
@media (max-width: 859px) { .sticky { display: block; } body { padding-bottom: 76px; } }

/* ---------- Páginas legais ---------- */
.legal { padding: 3rem 0 4rem; }
.legal h1 { font-size: clamp(2rem, 5vw, 2.8rem); }
.legal h2 { font-size: 1.4rem; margin-top: 2rem; }
.legal a { color: var(--teal); }
.legal__back { display: inline-block; margin-bottom: 1.5rem; font-weight: 700; }

/* ---------- Animações de entrada ---------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}