/* ==========================================================================
   Punkify, tema escuro
   Segue o Punkify Design System (Escuro): cores, Urbanist + Public Sans,
   escala de espaçamento 4/8/12/16/24/32/48/64/80, raio unificado de 15px.
   ========================================================================== */

/* ---------- Fontes (hospedadas localmente) ---------- */
@font-face {
  font-family: "Urbanist";
  src: url("../fonts/urbanist-latin-ext-wght-normal.woff2") format("woff2-variations");
  font-weight: 100 900; font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Urbanist";
  src: url("../fonts/urbanist-latin-wght-normal.woff2") format("woff2-variations");
  font-weight: 100 900; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Public Sans";
  src: url("../fonts/public-sans-latin-ext-wght-normal.woff2") format("woff2-variations");
  font-weight: 100 900; font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Public Sans";
  src: url("../fonts/public-sans-latin-wght-normal.woff2") format("woff2-variations");
  font-weight: 100 900; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Tokens ---------- */
:root {
  --purple: #af00cc;
  --purple-deep: #621393;
  --yellow: #fed700;
  --bg: #100916;
  --surface: #24132e;
  --surface-2: #321c40;
  --border: #593369;
  --text: #faf3fc;
  --muted: #d3b8e3;
  --error: #ff7a70;

  --s-4: 4px; --s-8: 8px; --s-12: 12px; --s-16: 16px; --s-24: 24px;
  --s-32: 32px; --s-48: 48px; --s-64: 64px; --s-80: 80px;
  --radius: 15px;

  --shadow-card: 0 4px 16px rgb(10 4 16 / .55);
  --shadow-lift: 0 12px 32px rgb(98 19 147 / .38);
  --glass: rgb(16 9 22 / .66);

  --font-display: "Urbanist", system-ui, sans-serif;
  --font-body: "Public Sans", system-ui, sans-serif;

  --ease: cubic-bezier(.16, 1, .3, 1);
  --container: 1240px;
  --gutter: clamp(16px, 4vw, 32px);
  --section-y: clamp(56px, 7vw, 96px);

  --z-nav: 40;
  --z-dialog: 50;
  --z-grain: 60;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; color-scheme: dark; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 1rem/1.5 var(--font-body);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
/* grão fixo, sem capturar cliques */
body::before {
  content: ""; position: fixed; inset: 0; z-index: var(--z-grain); pointer-events: none; opacity: .07; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--yellow); text-underline-offset: 3px; }
a:hover { color: #fff1a0; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; margin: 0; text-wrap: balance; letter-spacing: -.015em; }
h1 { font-size: clamp(2.25rem, 1.3rem + 3.6vw, 3.5rem); line-height: 1.14; letter-spacing: -.03em; }
h2 { font-size: clamp(1.875rem, 1.2rem + 2.2vw, 2.5rem); line-height: 1.2; }
h3 { font-size: 1.5rem; line-height: 1.33; }
h4 { font-size: 1.25rem; line-height: 1.3; }
p { margin: 0; text-wrap: pretty; max-width: 65ch; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; }
small { font-size: .8125em; }
s { color: var(--muted); text-decoration-thickness: 1px; }
.muted { color: var(--muted); }
.lead { font-size: 1.125rem; line-height: 1.6; color: var(--muted); }
.container { width: min(100% - var(--gutter) * 2, var(--container)); margin-inline: auto; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: fixed; left: 16px; top: -64px; z-index: calc(var(--z-grain) + 1); background: var(--yellow); color: var(--bg); padding: 12px 16px; border-radius: var(--radius); font-weight: 600; text-decoration: none; transition: top .2s var(--ease); }
.skip-link:focus { top: 16px; }
:focus-visible { outline: 2px solid var(--purple); outline-offset: 3px; border-radius: 6px; }
.btn:focus-visible, .tile:focus-visible, .video:focus-visible { border-radius: var(--radius); }
::selection { background: var(--purple); color: #fff; }
.noscript { padding: 16px; background: var(--surface-2); text-align: center; max-width: none; }

.eyebrow { font: 600 .9375rem/1.4 var(--font-display); color: var(--yellow); letter-spacing: .01em; }

.section { padding-block: var(--section-y); position: relative; }
.section__head { display: grid; gap: var(--s-16); max-width: 760px; margin-bottom: var(--s-48); }

/* ---------- Ícones (máscaras de SVG Phosphor) ---------- */
.icon { display: inline-block; flex: none; width: 1.25em; height: 1.25em; background: currentColor; -webkit-mask: var(--ic) center / contain no-repeat; mask: var(--ic) center / contain no-repeat; }
.icon--list { --ic: url("../icons/list.svg"); width: 28px; height: 28px; }
.icon--x { --ic: url("../icons/x.svg"); }
.icon--play { --ic: url("../icons/play.svg"); }
.icon--search { --ic: url("../icons/magnifying-glass.svg"); }
.icon--whatsapp { --ic: url("../icons/whatsapp-logo.svg"); }
.icon--shield { --ic: url("../icons/shield-check.svg"); }
.icon--caret-left { --ic: url("../icons/caret-left.svg"); }
.icon--caret-right { --ic: url("../icons/caret-right.svg"); }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-8);
  min-height: 52px; padding: 0 var(--s-24); border-radius: var(--radius);
  font: 600 1rem/1 var(--font-display); letter-spacing: .005em; white-space: nowrap;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: transform .25s var(--ease), background-color .2s, border-color .2s, box-shadow .25s var(--ease), color .2s;
}
.btn--primary { background: var(--purple); color: var(--text); }
.btn--primary:hover { background: var(--purple-deep); color: var(--text); transform: translateY(-2px); box-shadow: var(--shadow-lift); }
.btn--outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn--outline:hover { border-color: var(--yellow); color: var(--yellow); transform: translateY(-2px); }
.btn:active { transform: scale(.98); box-shadow: none; }
.btn--sm { min-height: 44px; padding: 0 var(--s-16); }
.link-arrow { display: inline-flex; align-items: center; gap: var(--s-8); font-weight: 600; text-decoration: none; color: var(--yellow); }
.link-arrow::after { content: ""; width: 1em; height: 1em; background: currentColor; -webkit-mask: url("../icons/arrow-right.svg") center / contain no-repeat; mask: url("../icons/arrow-right.svg") center / contain no-repeat; transition: transform .25s var(--ease); }
.link-arrow:hover::after { transform: translateX(4px); }
.icon-btn { width: 44px; height: 44px; display: inline-grid; place-items: center; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); cursor: pointer; transition: background-color .2s, border-color .2s, transform .2s var(--ease); }
.icon-btn:hover { border-color: var(--yellow); color: var(--yellow); }
.icon-btn:active { transform: scale(.96); }

.checks { display: grid; gap: var(--s-12); }
.checks li { position: relative; padding-left: 32px; line-height: 1.5; }
.checks li::before { content: ""; position: absolute; left: 0; top: .12em; width: 20px; height: 20px; background: var(--yellow); -webkit-mask: url("../icons/check.svg") center / contain no-repeat; mask: url("../icons/check.svg") center / contain no-repeat; }
.checks--gold li::before { background: var(--yellow); }

.glass { background: var(--glass); border: 1px solid rgb(250 243 252 / .14); box-shadow: inset 0 1px 0 rgb(250 243 252 / .12), var(--shadow-card); -webkit-backdrop-filter: blur(18px) saturate(140%); backdrop-filter: blur(18px) saturate(140%); border-radius: var(--radius); }
@media (prefers-reduced-transparency: reduce) { .glass { background: var(--surface); -webkit-backdrop-filter: none; backdrop-filter: none; } }

/* ---------- Navegação ---------- */
.nav { position: sticky; top: 0; z-index: var(--z-nav); background: rgb(16 9 22 / .72); -webkit-backdrop-filter: blur(16px) saturate(140%); backdrop-filter: blur(16px) saturate(140%); border-bottom: 1px solid rgb(89 51 105 / .6); }
.nav__bar { display: flex; align-items: center; gap: var(--s-24); height: 72px; }
.nav__logo { display: block; flex: none; }
.nav__logo img { width: auto; height: 44px; }
.nav__menu { display: flex; align-items: center; gap: var(--s-4); margin-left: auto; }
.nav__menu a { padding: 10px 12px; border-radius: var(--radius); color: var(--text); text-decoration: none; font: 500 .9375rem/1 var(--font-display); white-space: nowrap; transition: background-color .2s, color .2s; }
.nav__menu a:hover { background: var(--surface); }
.nav__menu a[aria-current="true"] { color: var(--yellow); background: var(--surface); }
.nav__menu .nav__student { color: var(--muted); border: 1px solid var(--border); margin-left: var(--s-8); }
.nav__cta { flex: none; }
.nav__toggle { display: none; width: 44px; height: 44px; place-items: center; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); cursor: pointer; margin-left: auto; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: clip; padding-block: clamp(32px, 5vw, 64px) clamp(48px, 7vw, 96px); background:
  radial-gradient(60rem 36rem at 88% 12%, rgb(98 19 147 / .55), transparent 62%),
  radial-gradient(40rem 28rem at 0% 100%, rgb(175 0 204 / .14), transparent 66%), var(--bg); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); gap: clamp(32px, 6vw, 80px); align-items: center; }
.hero__copy { display: grid; gap: var(--s-24); justify-items: start; }
.hero h1 em { font-style: normal; color: var(--yellow); }
.nw { white-space: nowrap; }
.hero .lead { max-width: 34ch; font-size: 1.25rem; color: var(--text); opacity: .86; }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--s-16); margin-top: var(--s-8); }
.hero__media { margin: 0; position: relative; justify-self: center; width: min(100%, 460px); }
.hero__media img { width: 100%; filter: drop-shadow(0 24px 40px rgb(10 4 16 / .6)); }
.hero__media figcaption { display: grid; gap: 2px; margin-top: var(--s-16); font-size: .9375rem; color: var(--muted); }
.hero__media figcaption strong { font: 600 1.125rem/1.3 var(--font-display); color: var(--text); }

/* ---------- Faixa de benefícios ---------- */
.strip { border-block: 1px solid var(--border); background: var(--surface); }
.strip__list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.strip__list li { display: flex; align-items: center; gap: var(--s-12); padding: var(--s-24) var(--s-16); font: 600 .9375rem/1.35 var(--font-display); }
.strip__list li + li { border-left: 1px solid var(--border); }
.strip__list img { width: 40px; height: 40px; flex: none; }
.strip__list small { display: block; margin-top: 2px; font: 400 .8125rem/1.3 var(--font-body); color: var(--muted); }

/* ---------- Promoção ---------- */
.promo { position: relative; padding-block: var(--section-y); overflow: clip; isolation: isolate; }
.promo__bg { position: absolute; inset: 0; z-index: -1; background:
  linear-gradient(180deg, var(--bg) 0%, rgb(16 9 22 / .7) 30%, rgb(16 9 22 / .78) 70%, var(--bg) 100%),
  url("../img/fundo-promo-pkf-2.webp") center / cover no-repeat; }
.promo__inner { display: grid; justify-items: center; }
.promo__banner { width: min(100%, 880px); border-radius: var(--radius); box-shadow: var(--shadow-card), 0 0 0 1px var(--border); aspect-ratio: 646 / 431; object-fit: cover; }
.promo__panel { width: min(100%, 1040px); margin-top: calc(var(--s-48) * -1); padding: clamp(24px, 4vw, 48px); display: grid; gap: var(--s-32); position: relative; }
.promo__head { display: grid; gap: var(--s-12); }
.promo__lists { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-32); }
.promo__lists h3 { font-size: 1.25rem; margin-bottom: var(--s-12); }
.promo__cta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-24); }

/* ---------- O que é ---------- */
.what__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(32px, 6vw, 80px); align-items: center; }
.what__copy { display: grid; gap: var(--s-24); }
.what__video { position: relative; }
.what__video::before { content: ""; position: absolute; inset: 24px -16px -16px 24px; border-radius: var(--radius); background: var(--purple-deep); z-index: -1; opacity: .8; }

/* ---------- Vídeos (carregam sob demanda) ---------- */
.video { position: relative; display: block; width: 100%; padding: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); cursor: pointer; aspect-ratio: 16 / 9; box-shadow: var(--shadow-card); }
.video img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease), opacity .3s; }
.video:hover img { transform: scale(1.03); }
.video__play { position: absolute; inset: 0; display: grid; place-items: center; background: linear-gradient(180deg, transparent 40%, rgb(16 9 22 / .5)); }
.video__play .icon { width: 72px; height: 72px; padding: 22px 18px 22px 26px; border-radius: 50%; color: var(--text); background: var(--purple); box-shadow: 0 8px 24px rgb(16 9 22 / .5); transition: transform .3s var(--ease), background-color .2s; -webkit-mask: none; mask: none; position: relative; }
.video__play .icon::before { content: ""; position: absolute; inset: 0; background: var(--text); -webkit-mask: var(--ic) center / 36% no-repeat; mask: var(--ic) center / 36% no-repeat; margin-left: 3px; }
.video__play .icon { background-color: var(--purple); }
.video:hover .video__play .icon { transform: scale(1.08); background-color: var(--purple-deep); }
.video--thumb .video__play .icon { width: 56px; height: 56px; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video.is-playing { cursor: default; }

/* ---------- Aula grátis ---------- */
.free { background: linear-gradient(180deg, var(--bg), var(--surface) 55%, var(--bg)); }
.free__head { display: grid; gap: var(--s-16); max-width: 760px; margin-bottom: var(--s-48); }
.free__stage { position: relative; }
.video--wide { width: min(100%, 980px); box-shadow: var(--shadow-card), 0 24px 64px rgb(98 19 147 / .28); }
.quotes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-24); width: min(100%, 880px); margin: calc(var(--s-24) * -1) 0 0 auto; position: relative; padding-right: 0; }
.quote { margin: 0; padding: var(--s-24); background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-card); display: grid; gap: var(--s-24); align-content: space-between; }
.quote:nth-child(2) { transform: translateY(var(--s-32)); }
.quote blockquote { margin: 0; font: 500 1.0625rem/1.55 var(--font-body); text-wrap: pretty; }
.quote figcaption { display: flex; align-items: center; gap: var(--s-12); color: var(--muted); font-size: .875rem; line-height: 1.35; }
.quote figcaption strong { display: block; color: var(--text); font: 600 1rem/1.3 var(--font-display); }
.quote img { width: 48px; height: 48px; border-radius: var(--radius); object-fit: cover; }
.free__stage { padding-bottom: var(--s-32); }

/* ---------- Metodologia ---------- */
.method { background: var(--bg); }
.bento { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--s-16); }
.tile { position: relative; display: grid; gap: var(--s-12); align-content: start; padding: clamp(20px, 3vw, 32px); border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-card); overflow: hidden; transition: transform .35s var(--ease), border-color .25s; }
.tile:hover { transform: translateY(-4px); border-color: var(--purple); }
.tile p { color: var(--muted); font-size: .9375rem; line-height: 1.6; }
.tile h3 { font-size: 1.375rem; }
.tile__icon { width: 56px; height: 56px; margin-bottom: var(--s-8); }
.tile__shot { width: 100%; border-radius: 10px; border: 1px solid var(--border); object-fit: cover; object-position: top left; background: #fff; }
.tile--community { grid-column: span 7; background: var(--surface-2); }
.tile--community .tile__shot { aspect-ratio: 16 / 7; margin-top: var(--s-16); }
.tile--study { grid-column: span 5; background: linear-gradient(150deg, var(--purple-deep) 0%, var(--surface-2) 90%); align-content: end; min-height: 280px; }
.tile--study p { color: var(--text); opacity: .86; }
.tile--sw { grid-column: span 4; background: var(--surface-2); }
.tile--exercises { grid-column: span 4; }
.tile--exercises .tile__shot { aspect-ratio: 16 / 9; margin-bottom: var(--s-8); }
.tile--repeat { grid-column: span 4; background: var(--bg); border-color: var(--purple); }
.tile--forum { grid-column: span 12; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: var(--s-32); align-items: center; background: linear-gradient(90deg, var(--surface-2), var(--surface)); }
.tile--forum .tile__text { display: grid; gap: var(--s-12); }
.tile--forum .tile__shot { aspect-ratio: 16 / 9; }

.pillars { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 80px); margin-top: var(--section-y); align-items: start; }
.pillars__intro { display: grid; gap: var(--s-16); position: sticky; top: 112px; }
.pillars__intro p { color: var(--muted); }
.pillars__list { display: grid; gap: var(--s-16); }
.pillars__list li { display: grid; grid-template-columns: 72px minmax(0, 1fr); column-gap: var(--s-24); padding: var(--s-32); border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.pillars__list li:nth-child(2) { margin-left: clamp(0px, 5vw, 64px); background: var(--surface-2); }
.pillars__list li:nth-child(3) { margin-left: clamp(0px, 10vw, 128px); background: linear-gradient(140deg, var(--purple-deep), var(--surface-2)); }
.pillars__list img { width: 56px; height: 56px; grid-row: span 2; }
.pillars__list h4 { font-size: 1.75rem; }
.pillars__list p { color: var(--muted); margin-top: var(--s-8); }
.pillars__list li:nth-child(3) p { color: var(--text); opacity: .88; }

.explorer { margin-top: var(--section-y); padding: clamp(24px, 4vw, 48px); border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); display: grid; gap: var(--s-32); }
.explorer__head { display: grid; gap: var(--s-8); }
.explorer__head p { color: var(--muted); }
.explorer__body { display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: var(--s-32); align-items: start; }
.explorer__tabs { display: grid; gap: var(--s-8); }
.explorer__tabs button, .program__tabs button, .faq__list button { text-align: left; cursor: pointer; border-radius: var(--radius); border: 1px solid transparent; background: transparent; color: var(--muted); padding: 14px var(--s-16); font: 600 1rem/1.35 var(--font-display); transition: background-color .2s, color .2s, border-color .2s, transform .2s var(--ease); min-height: 48px; }
.explorer__tabs button:hover, .program__tabs button:hover, .faq__list button:hover { background: var(--surface-2); color: var(--text); }
.explorer__tabs button[aria-selected="true"], .program__tabs button[aria-selected="true"], .faq__list button[aria-selected="true"] { background: var(--surface-2); color: var(--yellow); border-color: var(--border); }
.explorer__panel { display: grid; gap: var(--s-16); }
.explorer__panel img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top left; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); }
.explorer__panel p { color: var(--muted); }
.explorer__panel.is-swapping { animation: swap .45s var(--ease); }
@keyframes swap { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- Professores ---------- */
.teachers { background: linear-gradient(180deg, var(--bg), var(--surface) 40%, var(--bg)); }
.founder { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(32px, 6vw, 80px); align-items: center; }
.founder__photo { margin: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-card); }
.founder__photo img { width: 100%; aspect-ratio: 994 / 1024; object-fit: cover; }
.founder__text { display: grid; gap: var(--s-16); }
.founder__text h3 { margin-top: var(--s-16); color: var(--yellow); }
.founder__text p { color: var(--muted); }
.founder__text .lead { color: var(--text); opacity: .86; }
.roster-head { margin-top: var(--section-y); display: grid; gap: var(--s-8); margin-bottom: var(--s-32); }
.roster-head p { color: var(--muted); }
.roster { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--s-16); }
.roster li { grid-column: span 3; }
.roster li:nth-child(n+5) { grid-column: span 4; }
.roster button { position: relative; display: block; width: 100%; padding: 0; text-align: left; cursor: pointer; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); transition: transform .35s var(--ease), border-color .2s, box-shadow .3s; }
.roster button:hover { transform: translateY(-6px); border-color: var(--yellow); box-shadow: var(--shadow-lift); }
.roster img { width: 100%; aspect-ratio: 1 / 1.05; object-fit: cover; object-position: top; }
.roster span { display: flex; align-items: center; justify-content: space-between; padding: var(--s-12) var(--s-16); font: 600 .9375rem/1 var(--font-display); color: var(--yellow); background: var(--surface); }
.roster span::after { content: ""; width: 1em; height: 1em; background: currentColor; -webkit-mask: url("../icons/arrow-up-right.svg") center / contain no-repeat; mask: url("../icons/arrow-up-right.svg") center / contain no-repeat; }

/* ---------- Curso (explorador de programas) ---------- */
.course { background: var(--bg); }
.program { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.program__tabs { display: flex; gap: var(--s-4); padding: var(--s-12); overflow-x: auto; background: var(--bg); border-bottom: 1px solid var(--border); scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
.program__tabs button { white-space: nowrap; flex: none; }
.program__panel { padding: clamp(20px, 4vw, 40px); display: grid; gap: var(--s-24); min-height: 360px; }
.program__panel > p { color: var(--muted); max-width: 70ch; }
.program__panel h3 { font-size: 1.5rem; }
.program__tools { display: flex; flex-wrap: wrap; gap: var(--s-16); align-items: center; justify-content: space-between; }
.chips { display: flex; flex-wrap: wrap; gap: var(--s-8); }
.chip, .chips li { padding: 8px 14px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface-2); font: 600 .875rem/1.2 var(--font-display); color: var(--text); }
button.chip { cursor: pointer; transition: background-color .2s, border-color .2s, color .2s; }
button.chip:hover { border-color: var(--yellow); }
button.chip[aria-pressed="true"] { background: var(--purple); border-color: var(--purple); color: var(--text); }
.search { position: relative; display: block; }
.search .icon { position: absolute; left: 14px; top: 50%; translate: 0 -50%; color: var(--muted); pointer-events: none; }
.search input { width: 100%; min-height: 48px; padding: 0 var(--s-16) 0 44px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--bg); color: var(--text); font: 400 1rem var(--font-body); }
.search input::placeholder { color: #b49ac4; }
.lessons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-4) var(--s-32); max-height: 440px; overflow-y: auto; padding: var(--s-16); border-radius: var(--radius); background: var(--bg); border: 1px solid var(--border); scrollbar-color: var(--border) transparent; }
.lessons li { padding: 10px 0; font-size: .9375rem; line-height: 1.45; color: var(--text); }
.lessons li small { display: block; color: var(--muted); font-size: .8125rem; }
.lessons mark { background: rgb(254 215 0 / .25); color: var(--yellow); border-radius: 4px; padding: 0 2px; }
.lessons__none { grid-column: 1 / -1; color: var(--muted); padding: var(--s-24) 0; }
.count { color: var(--muted); font-size: .875rem; }
.blocks { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--s-16); }
.block { padding: var(--s-24); border-radius: var(--radius); background: var(--surface-2); border: 1px solid var(--border); display: grid; gap: var(--s-12); align-content: start; }
.block h4 { color: var(--yellow); font-size: 1.125rem; }
.block ul { display: grid; gap: var(--s-8); font-size: .9375rem; line-height: 1.45; color: var(--text); }
.block li { padding-left: 14px; position: relative; }
.block li::before { content: ""; position: absolute; left: 0; top: .65em; width: 5px; height: 5px; border-radius: 50%; background: var(--purple); }
.schedule { display: grid; gap: var(--s-8); }
.schedule > div { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--s-16); padding: var(--s-16); border-radius: var(--radius); background: var(--surface-2); align-items: center; }
.schedule b { font: 600 1.0625rem var(--font-display); }
.schedule span { color: var(--muted); }

/* ---------- Preço ---------- */
.pricing { background: linear-gradient(180deg, var(--bg), var(--surface) 30%, var(--bg)); }
.products { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--s-16); }
.product { padding: clamp(24px, 3vw, 40px); border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); display: flex; flex-direction: column; gap: var(--s-16); box-shadow: var(--shadow-card); position: relative; overflow: hidden; }
.product h3 small { display: block; font: 500 1rem/1.4 var(--font-body); color: var(--muted); margin-top: 4px; }
.product p { color: var(--muted); font-size: .9375rem; line-height: 1.6; }
.worth-line { color: var(--muted) !important; font-size: .9375rem; }
.included { margin-top: auto; align-self: flex-start; justify-self: start; display: inline-flex; padding: 6px 12px; border-radius: var(--radius); background: var(--yellow); color: #1a1000 !important; font: 700 .8125rem/1 var(--font-display) !important; letter-spacing: .06em; text-transform: uppercase; }
.product--levels { grid-column: span 5; background: var(--surface-2); }
.product--summary { grid-column: span 7; background: linear-gradient(150deg, var(--purple-deep), var(--surface-2)); }
.product--summary p { color: var(--text); opacity: .88; }
.product--weeks { grid-column: span 7; }
.product--live { grid-column: span 5; background: var(--surface-2); }
.product--toolkit { grid-column: span 12; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--s-48); align-items: center; background: linear-gradient(90deg, rgb(16 9 22 / .92), rgb(16 9 22 / .6)), url("../img/fundo-promo-pkf-2.webp") center / cover; }
.product--toolkit > div { display: grid; gap: var(--s-16); }
.worth { display: grid; gap: var(--s-12); margin: 0; }
.worth div { display: flex; justify-content: space-between; gap: var(--s-16); padding: var(--s-12) var(--s-16); border-radius: 10px; background: var(--bg); }
.worth dt { font-weight: 600; font-size: .9375rem; }
.worth dd { margin: 0; color: var(--muted); text-decoration: line-through; font-variant-numeric: tabular-nums; white-space: nowrap; }

.plans { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: var(--s-24); margin-top: var(--section-y); align-items: start; }
.plan { padding: clamp(24px, 4vw, 48px); border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); display: grid; gap: var(--s-16); align-content: start; box-shadow: var(--shadow-card); }
.plan--swai { background: linear-gradient(160deg, var(--surface-2), var(--surface) 70%); border-color: var(--purple); box-shadow: var(--shadow-card), 0 0 0 1px var(--purple); }
.plan__lead { color: var(--text); font-size: 1.0625rem; }
.plan__note { color: var(--muted); font-size: .9375rem; }
.plan__rec { font: 600 1rem var(--font-display); color: var(--yellow); margin-top: var(--s-8); }
.plan__cash { color: var(--muted); font-size: 1rem; }
.plan__total { color: var(--muted); font-size: .9375rem; }
.plan__safe { display: flex; align-items: center; gap: var(--s-8); font-size: .9375rem; color: var(--muted); }
.plan__safe .icon { color: var(--yellow); }
.plan .btn { justify-self: start; margin-block: var(--s-8); }
.price { display: flex; align-items: baseline; gap: var(--s-8); font-family: var(--font-display); }
.price__from { color: var(--muted); font-size: 1.125rem; }
.price__val { font-size: clamp(2.75rem, 2rem + 3vw, 4rem); font-weight: 700; letter-spacing: -.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.price__val small { font-size: .45em; }

.proof { margin-top: var(--section-y); display: grid; gap: var(--s-32); }
.proof__head { display: flex; flex-wrap: wrap; gap: var(--s-32); align-items: end; justify-content: space-between; }
.proof__stats { display: flex; gap: var(--s-48); margin: 0; }
.proof__stats > div { display: flex; flex-direction: column-reverse; gap: var(--s-4); }
.proof__stats dd { margin: 0; font: 700 clamp(2rem, 1.5rem + 2vw, 3rem)/1 var(--font-display); color: var(--yellow); font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.proof__stats dt { color: var(--muted); font-size: .9375rem; }
.rail { position: relative; display: grid; gap: var(--s-16); }
.rail__controls { display: flex; gap: var(--s-8); justify-content: flex-end; }
.rail__track { display: flex; gap: var(--s-16); overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: var(--s-16); scrollbar-width: thin; scrollbar-color: var(--border) transparent; overscroll-behavior-x: contain; }
.rail__track li { flex: 0 0 min(360px, 78vw); scroll-snap-align: start; }

.route { margin-top: var(--section-y); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 5vw, 64px); padding: clamp(24px, 5vw, 64px); border-radius: var(--radius); background: radial-gradient(40rem 24rem at 100% 0, rgb(175 0 204 / .35), transparent 60%), var(--surface-2); border: 1px solid var(--border); align-items: center; }
.route__copy { display: grid; gap: var(--s-16); }
.route__copy p:last-child { color: var(--muted); }

/* ---------- Formulários ---------- */
.form { display: grid; gap: var(--s-16); }
.form__fields { display: grid; gap: var(--s-16); }
.field { display: grid; gap: var(--s-8); }
.field label { font: 600 .9375rem/1.3 var(--font-body); color: var(--text); }
.field input, .field select { width: 100%; min-height: 52px; padding: 0 var(--s-16); border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); color: var(--text); font: 400 1rem var(--font-body); transition: border-color .2s, box-shadow .2s; }
.route .field input, .route .field select { background: var(--bg); }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 256 256' fill='%23d3b8e3'%3E%3Cpath d='M213.66 101.66l-80 80a8 8 0 0 1-11.32 0l-80-80a8 8 0 0 1 11.32-11.32L128 164.69l74.34-74.35a8 8 0 0 1 11.32 11.32z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 18px; padding-right: 44px; }
.field input:hover, .field select:hover { border-color: #7a4a8e; }
.field input:focus-visible, .field select:focus-visible { outline: none; border-color: var(--purple); box-shadow: 0 0 0 2px var(--purple); }
.field.is-invalid input, .field.is-invalid select { border-color: var(--error); }
.field.is-invalid input:focus-visible { box-shadow: 0 0 0 2px var(--error); }
.field__error { color: var(--error); font-size: .875rem; line-height: 1.4; min-height: 0; }
.field__error:empty { display: none; }
.field-row { align-items: start; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: var(--s-12); }
.form__legal { font-size: .8125rem; line-height: 1.5; color: var(--muted); }
.form .btn { justify-self: start; }
.form__done[hidden] { display: none; }
.form__done { padding: var(--s-24); border-radius: var(--radius); background: var(--surface); border: 1px solid var(--purple); display: grid; gap: var(--s-12); justify-items: start; }
.form__done h4 { color: var(--yellow); }
.form__done p { color: var(--muted); }
.form.is-done .form__fields, .form.is-done > .btn, .form.is-done .form__legal { display: none; }
.form.is-sending .btn { opacity: .7; pointer-events: none; }

/* ---------- FAQ ---------- */
.faq { background: var(--bg); }
.faq__grid { display: grid; grid-template-columns: minmax(0, 400px) minmax(0, 1fr); gap: clamp(24px, 4vw, 48px); align-items: start; }
.faq__nav { display: grid; gap: var(--s-16); position: sticky; top: 96px; }
.faq__list { display: grid; gap: var(--s-4); }
.faq__list button { width: 100%; }
.faq__empty { color: var(--muted); font-size: .9375rem; }
.faq__answer { padding: clamp(24px, 4vw, 48px); border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); display: grid; gap: var(--s-16); min-height: 420px; align-content: start; }
.faq__answer h3 { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); color: var(--yellow); }
.faq__answer p, .faq__answer li { color: var(--text); opacity: .9; line-height: 1.7; }
.faq__answer ul { display: grid; gap: var(--s-8); padding-left: 0; }
.faq__answer li { padding-left: 24px; position: relative; max-width: 68ch; }
.faq__answer li::before { content: ""; position: absolute; left: 4px; top: .78em; width: 7px; height: 7px; border-radius: 50%; background: var(--purple); }
.faq__answer.is-swapping { animation: swap .45s var(--ease); }

/* ---------- Rodapé ---------- */
.footer { border-top: 1px solid var(--border); background: var(--surface); padding-block: var(--s-64) var(--s-48); }
.footer__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: var(--s-32) var(--s-64); align-items: start; }
.footer__brand { display: grid; gap: var(--s-24); justify-items: start; }
.footer__brand img { height: 52px; width: auto; }
.footer__brand .footer__sw { height: 34px; opacity: .9; }
.footer__nav { display: flex; flex-wrap: wrap; gap: var(--s-8) var(--s-24); }
.footer__nav a { color: var(--muted); text-decoration: none; font-size: .9375rem; padding-block: 8px; }
.footer__nav a:hover { color: var(--yellow); }
.footer__copy { grid-column: 1 / -1; color: var(--muted); font-size: .875rem; padding-top: var(--s-24); border-top: 1px solid var(--border); max-width: none; }

/* ---------- Diálogos ---------- */
.dialog { padding: 0; border: 0; background: transparent; color: var(--text); width: min(100% - 32px, 560px); max-height: calc(100dvh - 32px); overflow: visible; margin: auto; z-index: var(--z-dialog); }
.dialog::backdrop { background: rgb(16 9 22 / .82); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.dialog[open] { animation: pop .35s var(--ease); }
.dialog[open]::backdrop { animation: fade .3s ease; }
@keyframes pop { from { opacity: 0; transform: translateY(16px) scale(.98); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.dialog__card { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-card), 0 32px 80px rgb(0 0 0 / .5); max-height: calc(100dvh - 32px); overflow: auto; }
.dialog__close { position: absolute; top: 12px; right: 12px; z-index: 2; background: var(--bg); }
.dialog__body { padding: clamp(24px, 4vw, 40px); display: grid; gap: var(--s-16); }
.dialog__body h3 { padding-right: var(--s-48); }
#teacher-dialog { width: min(100% - 32px, 920px); }
.dialog__card--teacher { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); }
.dialog__card--teacher > img { width: 100%; height: 100%; object-fit: cover; object-position: top; min-height: 100%; background: var(--bg); }
.prose { display: grid; gap: var(--s-12); color: var(--muted); font-size: .9375rem; line-height: 1.7; }
.prose p { max-width: none; }
body.has-dialog { overflow: hidden; }

/* ---------- Responsivo ---------- */
@media (max-width: 1100px) {
  .nav__menu a { padding-inline: 8px; font-size: .875rem; }
  .strip__list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .strip__list li:nth-child(4) { border-left: 0; }
  .strip__list li:nth-child(n+4) { border-top: 1px solid var(--border); }
}
@media (max-width: 960px) {
  .nav__toggle { display: grid; }
  .nav__cta { display: none; }
  .nav__menu { position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: var(--s-16) var(--gutter) var(--s-24); background: var(--bg); border-bottom: 1px solid var(--border); margin: 0; display: none; box-shadow: 0 24px 48px rgb(10 4 16 / .6); }
  .nav__menu.is-open { display: flex; }
  .nav__menu a { padding: 14px 12px; font-size: 1.0625rem; }
  .nav__menu .nav__student { margin: var(--s-8) 0 0; text-align: center; }
  .hero__grid, .what__grid, .founder, .pillars, .plans, .route, .tile--forum, .faq__grid, .footer__grid, .explorer__body { grid-template-columns: minmax(0, 1fr); }
  .hero__media { width: min(72%, 340px); justify-self: start; }
  .pillars__intro, .faq__nav { position: static; }
  .pillars__list li:nth-child(n) { margin-left: 0; }
  .what__video::before { inset: 16px -8px -8px 16px; }
  .product--levels, .product--summary, .product--weeks, .product--live, .product--toolkit { grid-column: 1 / -1; }
  .product--toolkit { grid-template-columns: minmax(0, 1fr); gap: var(--s-24); }
  .tile--community, .tile--study, .tile--sw, .tile--exercises, .tile--repeat { grid-column: span 12; }
  .tile--study { min-height: 0; }
  .roster li, .roster li:nth-child(n+5) { grid-column: span 6; }
  .roster li:nth-child(7) { grid-column: 1 / -1; }
  .roster li:nth-child(7) img { aspect-ratio: 16 / 10; }
  .dialog__card--teacher { grid-template-columns: minmax(0, 1fr); }
  .dialog__card--teacher > img { max-height: 280px; }
  .faq__list { max-height: 320px; }
  .quotes { margin-top: calc(var(--s-24) * -1); grid-template-columns: minmax(0, 1fr); margin-inline: 0; }
  .quote:nth-child(2) { transform: none; }
  .promo__lists { grid-template-columns: minmax(0, 1fr); }
  .promo__panel { margin-top: calc(var(--s-24) * -1); }
}
@media (max-width: 640px) {
  .strip__list { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .strip__list li:nth-child(n) { border-left: 0; border-top: 1px solid var(--border); }
  .strip__list li:nth-child(-n+2) { border-top: 0; }
  .strip__list li:nth-child(even) { border-left: 1px solid var(--border); }
  .strip__list li:last-child { grid-column: 1 / -1; border-left: 0; }
  .lessons { grid-template-columns: minmax(0, 1fr); }
  .schedule > div { grid-template-columns: 1fr; gap: 4px; }
  .field-row { grid-template-columns: minmax(0, 1fr); }
  .hero__cta .btn, .promo__cta .btn, .plan .btn, .form .btn { width: 100%; }
  .btn { white-space: normal; text-align: center; padding-block: 12px; }
  .proof__stats { gap: var(--s-32); }
  .pillars__list li { grid-template-columns: 56px minmax(0, 1fr); padding: var(--s-24); column-gap: var(--s-16); }
  .worth div { flex-direction: column; gap: 2px; }
}

/* ---------- Movimento ---------- */
@media (prefers-reduced-motion: no-preference) {
  html.js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: calc(var(--i, 0) * 90ms); }
  html.js [data-reveal].is-in { opacity: 1; transform: none; }
  html.js .quote:nth-child(2)[data-reveal].is-in { transform: translateY(var(--s-32)); }
  .hero__copy > * { animation: rise .9s var(--ease) both; }
  .hero__copy > :nth-child(2) { animation-delay: .1s; }
  .hero__copy > :nth-child(3) { animation-delay: .2s; }
  .hero__media { animation: rise 1.1s var(--ease) .15s both; }
  @keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
@media (max-width: 960px) and (prefers-reduced-motion: no-preference) {
  html.js .quote:nth-child(2)[data-reveal].is-in { transform: none; }
}
@media print {
  .nav, body::before { display: none; }
}