/* ============ Tokens ============ */
:root {
  --yellow: #f1be1b;
  --yellow-d: #d9a406;
  --gold-ink: #8f6700;
  --ink: #111111;
  --ink-2: #3b3b3b;
  --muted: #6a6a66;
  --bg: #ffffff;
  --bg-2: #f4f4f1;
  --line: #e3e3de;
  --dark: #0b0b0b;
  --radius: 14px;
  --display: "Titillium Web", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --body: "Titillium Web", system-ui, -apple-system, "Segoe UI", sans-serif;
  --gutter: clamp(20px, 5vw, 40px);
  --nav-h: 64px;
}

/* ============ Base ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, p, ul, blockquote, figure { margin: 0; }
ul { padding: 0; list-style: none; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 10px 14px; z-index: 100; border-radius: 8px; }
.skip:focus { left: 8px; }

.container { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: var(--gutter); }
.narrow { max-width: 880px; }

/* ============ Type ============ */
.h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.75rem, 5.6vw, 3rem);
  line-height: 1.08;
  letter-spacing: 0;
  text-transform: uppercase;
}
.h2 em, .final__title em, .form__title em { font-style: normal; color: var(--gold-ink); }
.kicker {
  font-family: var(--mono);
  font-weight: 500;
  font-size: .8rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold-ink);
  margin-bottom: 12px;
}
.kicker--y { color: var(--yellow); }
.lead { font-size: clamp(1.02rem, 2.4vw, 1.18rem); color: var(--ink-2); }
.lead + .lead { margin-top: 16px; }
.lead--strong { color: var(--ink); font-weight: 600; }

/* ============ Buttons ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  font-family: var(--body); font-weight: 700; font-size: 1rem; letter-spacing: .02em;
  text-decoration: none; text-transform: uppercase;
  background: var(--yellow); color: #0a0a0a;
  padding: 14px 24px; border-radius: 6px; border: 0; cursor: pointer;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
  box-shadow: 0 6px 18px -8px rgba(217,164,6,.7);
}
.btn:hover { background: #ffcb2e; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--sm { padding: 10px 16px; font-size: .8rem; box-shadow: none; }
.btn--lg { padding: 18px 32px; font-size: 1.08rem; }
.btn--block { width: 100%; }

/* ============ Nav ============ */
.nav {
  position: sticky; top: 0; z-index: 50; height: var(--nav-h);
  background: rgba(255,255,255,.86);
  -webkit-backdrop-filter: saturate(1.4) blur(12px); backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.nav.is-scrolled { border-color: var(--line); box-shadow: 0 6px 24px -18px rgba(0,0,0,.35); }
.nav__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.nav__links { display: none; gap: 28px; font-size: .95rem; font-weight: 600; }
.nav__links a { text-decoration: none; color: var(--ink-2); }
.nav__links a:hover { color: var(--ink); }

.logo { display: inline-flex; align-items: center; text-decoration: none; }
.logo__img { height: 42px; width: auto; }
.logo--light .logo__img { height: 40px; }

/* ============ Hero ============ */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(28px, 6vw, 72px) 0 clamp(40px, 7vw, 88px);
  background:
    radial-gradient(900px 520px at 85% -10%, rgba(255,255,255,1) 0, rgba(255,255,255,0) 60%),
    radial-gradient(700px 480px at 10% 110%, #e9e9e6 0, rgba(233,233,230,0) 65%),
    radial-gradient(600px 400px at 60% 60%, #f3f3f1 0, rgba(243,243,241,0) 70%),
    linear-gradient(180deg, #fbfbfa 0%, #efefec 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    repeating-linear-gradient(115deg, rgba(255,255,255,.0) 0 90px, rgba(255,255,255,.55) 120px, rgba(255,255,255,0) 190px);
  mix-blend-mode: soft-light; opacity: .7;
}
.hero__grid { position: relative; z-index: 1; display: grid; gap: 36px; align-items: center; }
.chip {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-weight: 500; font-size: .8rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--gold-ink); margin-bottom: 18px;
}
.chip__dot { width: 9px; height: 9px; border-radius: 50%; background: #e53935; box-shadow: 0 0 0 0 rgba(229,57,53,.6); animation: pulse 1.8s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(229,57,53,0); } 100% { box-shadow: 0 0 0 0 rgba(229,57,53,0); } }
.hero__title { font-family: var(--display); text-transform: uppercase; line-height: 1.02; }
.hero__light { display: block; white-space: nowrap; font-weight: 300; font-size: clamp(1.9rem, 8.2vw, 3.3rem); }
.hero__title strong { display: block; font-weight: 700; font-size: clamp(2.2rem, 9.4vw, 4.3rem); }
.hero__sub { margin-top: 22px; font-size: clamp(1.05rem, 3vw, 1.3rem); color: var(--ink-2); max-width: 34ch; }
.hero__sub strong { color: var(--gold-ink); }
.hero__cta { margin-top: 28px; display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.hero__cta .btn { width: 100%; }
.hero__note { font-size: .92rem; color: var(--muted); }

/* Collage (escala com a largura via container query) */
.collage { position: relative; container-type: inline-size; width: 100%; max-width: 560px; margin-inline: auto; aspect-ratio: 1 / 1.2; }
.collage > * { position: absolute; }
.collage img { object-fit: cover; box-shadow: 0 24px 50px -28px rgba(0,0,0,.55); }
.collage__top { left: 0; top: 0; width: 50%; height: 21%; object-position: 50% 45%; z-index: 1; }
.collage__card {
  left: 4%; top: 61%; width: 66%; z-index: 3;
  background: var(--yellow); padding: 4.4cqw 5cqw 0; box-shadow: 0 24px 50px -28px rgba(0,0,0,.6);
}
.collage__eyebrow { font-family: var(--body); font-weight: 700; font-size: 3.1cqw; letter-spacing: .08em; text-transform: uppercase; }
.collage__date { font-family: var(--display); font-weight: 300; font-size: 8.2cqw; line-height: 1.05; margin-top: .6cqw; text-transform: none; }
.collage__date strong { font-weight: 700; }
.collage__prof { font-style: italic; font-size: 3.8cqw; margin-top: .8cqw; }
.collage__tag { margin: 3.6cqw -5cqw 0 -5cqw; background: var(--dark); color: #fff; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: 2.9cqw; padding: 2.2cqw 5cqw; text-align: right; }
.collage__photo { left: 24%; top: 8%; width: 76%; height: 62%; object-position: 50% 20%; z-index: 2; border: 5px solid #fff; box-shadow: 0 34px 60px -26px rgba(0,0,0,.6); }
.collage__bottom { left: 50%; top: 82%; width: 50%; height: 18%; object-position: 50% 50%; z-index: 1; background: #111; }

/* ============ Sections ============ */
.section { padding: clamp(56px, 9vw, 104px) 0; }
.section--alt { background: var(--bg-2); }
.section--dark { background: var(--dark); color: #fff; }
.section__head { margin-bottom: clamp(28px, 5vw, 48px); }

/* Ajuda */
.split { display: grid; gap: 40px; align-items: start; }
.split__text .h2 { margin-bottom: 20px; }
.questions { margin: 22px 0; display: grid; gap: 10px; }
.questions li { position: relative; padding: 14px 16px 14px 48px; background: var(--bg-2); border-radius: 10px; font-weight: 600; color: var(--ink); }
.questions li::before { content: "?"; position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 24px; height: 24px; border-radius: 50%; background: var(--yellow); color: #0a0a0a; font-family: var(--display); font-weight: 700; font-size: 1.05rem; display: grid; place-items: center; }
.cases { display: grid; gap: 14px; }
.pair__imgs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.pair__imgs > div { position: relative; overflow: hidden; border-radius: 10px; aspect-ratio: 4 / 3; background: #ddd; }
.pair__imgs img { width: 100%; height: 100%; object-fit: cover; }
.tag { position: absolute; left: 8px; bottom: 8px; background: rgba(0,0,0,.78); color: #fff; font-family: var(--mono); font-size: .68rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; padding: 4px 9px; border-radius: 4px; }
.tag--y { background: var(--yellow); color: #0a0a0a; }
.cases__cap { font-size: .88rem; color: var(--muted); }

/* Cards */
.cards { display: grid; gap: 16px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px 28px; position: relative; overflow: hidden; transition: transform .2s ease, box-shadow .2s ease; }
.card::before { content: ""; position: absolute; left: 0; top: 0; width: 5px; height: 100%; background: var(--yellow); }
.card:hover { transform: translateY(-3px); box-shadow: 0 22px 40px -28px rgba(0,0,0,.4); }
.card__n { font-family: var(--display); font-weight: 300; font-size: 2.6rem; line-height: 1; color: var(--yellow-d); display: block; margin-bottom: 10px; }
.card h3 { font-family: var(--display); font-weight: 700; text-transform: uppercase; font-size: 1.2rem; line-height: 1.15; margin-bottom: 10px; }
.card p { color: var(--ink-2); font-size: 1rem; }

/* Professora */
.prof { display: grid; gap: 32px; align-items: center; }
.prof__photo { border-radius: var(--radius); overflow: hidden; box-shadow: 0 30px 60px -36px rgba(0,0,0,.6); background: #ddd; }
.prof__photo img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: 50% 25%; }
.prof .h2 { margin-bottom: 18px; }
.quote { margin-top: 26px; padding: 4px 0 4px 20px; border-left: 4px solid var(--yellow); }
.quote p { font-size: 1.08rem; font-style: italic; color: var(--ink); }
.quote footer { margin-top: 10px; font-weight: 700; font-size: .95rem; color: var(--gold-ink); }
.quote footer::before { content: "— "; }

/* Checks */
.checks { display: grid; gap: 12px; }
.checks li { display: flex; gap: 14px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; font-weight: 600; font-size: 1.02rem; }
.checks svg { flex: none; width: 28px; height: 28px; padding: 5px; border-radius: 50%; background: var(--yellow); color: #0a0a0a; margin-top: 1px; }

/* Benefícios */
.section--dark .h2 em { color: var(--yellow); }
.benefits { display: grid; gap: 12px; }
.benefits li { display: flex; align-items: center; gap: 18px; padding: 20px 22px; border: 1px solid rgba(255,255,255,.14); border-radius: 12px; background: rgba(255,255,255,.04); font-size: 1.08rem; font-weight: 600; }
.benefits__n { font-family: var(--display); font-weight: 300; font-size: 2.2rem; line-height: 1; color: var(--yellow); min-width: 2.2ch; }

/* Detalhes + form */
.details { display: grid; gap: 36px; align-items: start; }
.details__info .h2 { margin-bottom: 26px; }
.facts { display: grid; gap: 14px; }
.facts li { display: flex; align-items: center; gap: 16px; }
.facts svg { width: 44px; height: 44px; padding: 10px; border-radius: 12px; background: var(--yellow); color: #0a0a0a; flex: none; }
.facts span { display: block; font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
.facts strong { font-family: var(--display); font-weight: 700; font-size: 1.4rem; line-height: 1.15; }
.price { margin-top: 28px; padding: 22px 24px; background: var(--dark); color: #fff; border-radius: var(--radius); display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.price__label { font-family: var(--mono); font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--yellow); font-size: .8rem; }
.price__value { font-family: var(--display); font-weight: 700; font-size: clamp(2.5rem, 9vw, 3.4rem); line-height: 1; }
.price__value small { font-size: .45em; font-weight: 500; margin-right: 4px; }

.form { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: clamp(22px, 5vw, 34px); box-shadow: 0 34px 70px -44px rgba(0,0,0,.55); }
.form__title { font-family: var(--display); font-weight: 700; text-transform: uppercase; font-size: clamp(1.45rem, 5.2vw, 1.9rem); line-height: 1.1; margin-bottom: 20px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 6px; }
.field input { width: 100%; font: inherit; font-size: 16px; /* evita zoom no iOS */ padding: 14px 14px; border: 1.5px solid #cfcfca; border-radius: 8px; background: #fff; color: var(--ink); transition: border-color .15s, box-shadow .15s; }
.field input:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 4px rgba(241,190,27,.45); }
.field.is-invalid input { border-color: #c62828; }
.field__err { display: block; min-height: 1.1em; font-size: .85rem; color: #c62828; margin-top: 4px; }
.form .btn { margin-top: 4px; }
.form__status { margin-top: 14px; font-size: .95rem; font-weight: 600; min-height: 1.2em; }
.form__status.is-ok { color: #1b7a3d; }
.form__status.is-err { color: #c62828; }
.form__fine { margin-top: 6px; font-size: .85rem; color: var(--muted); text-align: center; }

/* Sobre */
.about { display: grid; gap: 0; }

/* Depoimentos */
.proofs { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); }
.proofs img { width: 100%; border-radius: 12px; border: 1px solid var(--line); }

/* FAQ */
.faq { display: grid; gap: 10px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.faq summary { cursor: pointer; list-style: none; padding: 18px 56px 18px 20px; font-weight: 700; font-size: 1.05rem; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); width: 28px; height: 28px; border-radius: 50%; background: var(--yellow); display: grid; place-items: center; font-family: var(--display); font-size: 1.5rem; line-height: 1; transition: transform .2s; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 20px 20px; color: var(--ink-2); }

/* CTA final */
.final { position: relative; background: var(--dark); color: #fff; text-align: center; padding: clamp(64px, 11vw, 120px) 0; overflow: hidden; }
.final::before { content: ""; position: absolute; inset: auto -10% -60% -10%; height: 90%; background: radial-gradient(closest-side, rgba(241,190,27,.35), rgba(241,190,27,0)); pointer-events: none; }
.final__inner { position: relative; max-width: 780px; }
.final__title { font-family: var(--display); font-weight: 700; text-transform: uppercase; font-size: clamp(2.1rem, 9.4vw, 4.2rem); line-height: 1.05; }
.final__title em { color: var(--yellow); }
.final__text { margin: 20px auto 32px; max-width: 52ch; font-size: clamp(1.05rem, 2.6vw, 1.22rem); color: #d8d8d2; }

/* Footer */
.footer { background: #050505; color: #bdbdb6; padding: 44px 0 calc(44px + env(safe-area-inset-bottom)); font-size: .92rem; }
.footer__inner { display: grid; gap: 24px; }
.footer__name { margin-top: 10px; color: #fff; font-weight: 700; }
.footer__links { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 16px; }
.footer__links a, .footer__policy a { color: #d8d8d2; }
.footer__links a:hover, .footer__policy a:hover { color: var(--yellow); }
.footer__policy { display: flex; flex-wrap: wrap; gap: 6px 20px; }
.footer__legal { max-width: 70ch; }

/* WhatsApp flutuante + CTA fixo no mobile */
.wa { position: fixed; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); z-index: 40; width: 54px; height: 54px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 12px 28px -10px rgba(0,0,0,.5); transition: bottom .25s ease; }
.wa svg { width: 28px; height: 28px; }
.sticky-cta { position: fixed; left: 0; right: 0; bottom: 0; z-index: 45; padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.94); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border-top: 1px solid var(--line); transform: translateY(110%); transition: transform .3s ease; }
.sticky-cta.is-visible { transform: translateY(0); }
body.has-sticky .wa { bottom: calc(82px + env(safe-area-inset-bottom)); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

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

/* ============ Tablet ============ */
@media (min-width: 640px) {
  .hero__cta { flex-direction: row; align-items: center; gap: 18px; }
  .hero__cta .btn { width: auto; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .benefits { grid-template-columns: repeat(2, 1fr); }
  .checks li { padding: 18px 22px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__legal { grid-column: 1 / -1; }
}

/* ============ Desktop ============ */
@media (min-width: 960px) {
  :root { --nav-h: 72px; }
  .nav__links { display: flex; }
  .hero__grid { grid-template-columns: 1.02fr 1fr; gap: 56px; }
  .hero__sub { max-width: 36ch; }
  .collage { margin-inline: 0 0; max-width: 600px; justify-self: end; }
  .split { grid-template-columns: 1.1fr 1fr; gap: 64px; }
  .cases { position: sticky; top: calc(var(--nav-h) + 24px); }
  .cards { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .prof { grid-template-columns: 1fr 1.05fr; gap: 64px; }
  .details { grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
  .footer__inner { grid-template-columns: 1.2fr 1fr; }
  .footer__legal { grid-column: auto; }
  .footer__policy { grid-column: 2; }
  .sticky-cta { display: none; }
  body.has-sticky .wa { bottom: calc(16px + env(safe-area-inset-bottom)); }
}

/* ============ Mobile pequeno ============ */
@media (max-width: 440px) {
  .chip { font-size: .7rem; letter-spacing: .1em; }
  .logo__img { height: 34px; }
  .logo--light .logo__img { height: 34px; }
  .kicker { letter-spacing: .12em; }
}
@media (max-width: 380px) {
  body { font-size: 16px; }
  .btn--sm { padding: 9px 12px; font-size: .74rem; }
  .logo__img { height: 30px; }
  .logo--light .logo__img { height: 30px; }
}