/* =========================================================
   Gabarita — homepage do canal
   Tokens de marca: ../../brand/guia-de-marca.md e ../../brand/tokens.css
   Regras honradas aqui: fundo sempre chapado (papel/tinta/cor de matéria,
   nunca gradiente); texto sobre laranja sempre em tinta; logo sempre em
   Bricolage 800 com a rotação de -3° que já vem no SVG (nunca endireitar).
   ========================================================= */

:root {
  --laranja: #FF4D1F;
  --tinta: #1A1714;
  --papel: #EFE7D6;
  --papel-claro: #F8F3E7;
  --verde: #2E6E5B;
  --grafite: #C8BCA3;
  --lapis: #6B6257;
  --erro: #B3261E;

  --max-width: 1120px;
  --max-width-narrow: 760px;

  --radius-s: 8px;
  --radius-m: 16px;
  --radius-l: 20px;

  --sombra-card: 0 8px 24px rgba(26, 23, 20, 0.16);
  --acento-card: 4px;
}

* { box-sizing: border-box; }

html {
  color-scheme: light;
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: 'Newsreader', Georgia, serif;
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  margin: 0;
  font-family: 'Bricolage Grotesque', 'Arial Black', sans-serif;
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.015em;
}

p, ul, ol { margin: 0; }
ul { list-style: none; padding: 0; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--laranja);
  outline-offset: 3px;
  border-radius: 2px;
}

.mono {
  font-family: 'Space Mono', ui-monospace, monospace;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.handwritten {
  font-family: 'Caveat', 'Segoe Script', cursive;
  font-weight: 600;
  font-size: 1.45rem;
  color: var(--lapis);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--tinta);
  color: var(--papel);
  padding: 10px 16px;
  z-index: 50;
}
.skip-link:focus { left: 8px; top: 8px; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-inline: 20px;
}
.wrap--narrow { max-width: var(--max-width-narrow); }

.section { padding-block: 72px; }
.section--paper-light { background: var(--papel-claro); }

.section__title {
  font-size: clamp(1.75rem, 1.2rem + 2.1vw, 2.75rem);
  line-height: 1.02;
  margin-bottom: 16px;
  max-width: 20ch;
}

.section__lead {
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 62ch;
  color: var(--lapis);
}

.eyebrow {
  font-size: 12px;
  color: var(--laranja);
  margin-bottom: 14px;
}

/* ---------- botões ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 26px;
  border: 2px solid var(--tinta);
  border-radius: var(--radius-s);
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease;
}

/* texto sobre laranja é SEMPRE tinta (guia de marca, "O que não fazer" #2) */
.btn--primary {
  background: var(--laranja);
  color: var(--tinta);
  box-shadow: 4px 4px 0 var(--tinta);
}
.btn--primary:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--tinta); }
.btn--primary:active { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--tinta); }

.btn--ghost {
  background: transparent;
  color: var(--tinta);
}
.btn--ghost:hover { background: var(--papel-claro); }

.btn--ink {
  background: var(--tinta);
  color: var(--papel);
  box-shadow: 4px 4px 0 rgba(26, 23, 20, 0.28);
}
.btn--ink:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 rgba(26, 23, 20, 0.28); }

.btn--small {
  padding: 10px 16px;
  font-size: 0.9rem;
  box-shadow: 3px 3px 0 var(--tinta);
}

.btn--block { width: 100%; }

.btn[disabled] {
  opacity: 0.65;
  cursor: default;
  transform: none;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--papel);
  border-bottom: 1.5px solid var(--grafite);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-block: 12px;
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  flex-shrink: 0;
}
.brand-mark__label { font-size: 13px; }

.site-nav {
  display: flex;
  gap: 22px;
  margin-left: auto;
  font-size: 0.95rem;
}
.site-nav a {
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { border-bottom-color: var(--laranja); }

.site-header .btn--small { flex-shrink: 0; }

@media (max-width: 860px) {
  .site-nav { display: none; }
  .site-header__inner { justify-content: space-between; }
}

/* ---------- hero ---------- */

.hero { padding-block: 64px 76px; }

.hero__inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero__headline {
  font-size: clamp(2.1rem, 1.3rem + 3.2vw, 3.6rem);
  line-height: 0.98;
  margin-bottom: 20px;
  max-width: 16ch;
}

.hero__subheadline {
  font-family: 'Newsreader', serif;
  font-style: italic;
  font-size: 1.2rem;
  line-height: 1.5;
  max-width: 46ch;
  margin-bottom: 30px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}

.hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-size: 11px;
  color: var(--lapis);
}
.hero__facts li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero__facts li::before {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--laranja);
  border-radius: 2px;
  flex-shrink: 0;
}

/* o carimbo vive dentro de uma moldura de tinta — mesmo tratamento da
   moldura de vídeo do canal (guia de marca, "Moldura de vídeo").
   O fundo é papel (e não papel claro) porque o próprio SVG do carimbo já
   traz um retângulo de fundo em papel: qualquer outro tom deixaria a
   emenda visível dentro da moldura. */
.stamp-card {
  background: var(--papel);
  border: 4px solid var(--tinta);
  border-radius: var(--radius-m);
  padding: 22px 18px;
  box-shadow: var(--sombra-card);
}
.stamp-card__logo { width: 100%; height: auto; }

.hero__note {
  text-align: center;
  margin-top: 14px;
}

@media (max-width: 880px) {
  .hero__inner { grid-template-columns: 1fr; gap: 36px; }
  .hero__visual { max-width: 460px; }
}

/* ---------- faixa tinta ---------- */

.band--ink {
  background: var(--tinta);
  color: var(--papel);
  padding-block: 44px;
}

.band__inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 32px;
  align-items: center;
}

.band__item {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* laranja sobre tinta só em número/título grande (guia de marca, "Cores") */
.band__num {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
  font-size: 4.2rem;
  line-height: 0.8;
  color: var(--laranja);
}

.band__label {
  font-size: 11px;
  max-width: 19ch;
  line-height: 1.6;
}

.band__text {
  font-size: 1.15rem;
  line-height: 1.5;
  max-width: 56ch;
}

@media (max-width: 720px) {
  .band__inner { grid-template-columns: 1fr; gap: 18px; }
}

/* ---------- cards do método ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 36px;
}

.card {
  background: var(--papel-claro);
  border: 1.5px solid var(--grafite);
  border-top: var(--acento-card) solid var(--laranja);
  border-radius: var(--radius-m);
  padding: 24px 22px 26px;
}

.card__icon {
  display: block;
  width: 28px;
  height: 28px;
  color: var(--tinta);
  margin-bottom: 14px;
}
.card__icon svg { width: 100%; height: 100%; }

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.card p {
  font-size: 1rem;
  color: var(--lapis);
  line-height: 1.55;
}

/* ---------- filtros ---------- */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-block: 28px 30px;
}

.chip {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 11px;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--grafite);
  background: var(--papel);
  color: var(--lapis);
  cursor: pointer;
  transition: background-color 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.chip:hover { border-color: var(--tinta); color: var(--tinta); }

.chip.is-active {
  background: var(--cor-materia, var(--tinta));
  border-color: var(--cor-materia, var(--tinta));
  color: var(--tinta);
}
.chip--all.is-active {
  background: var(--tinta);
  border-color: var(--tinta);
  color: var(--papel);
}

/* ---------- grade de aulas ---------- */

.aulas {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 26px;
}

.aula {
  background: var(--papel);
  border: 1.5px solid var(--grafite);
  border-radius: var(--radius-m);
  overflow: hidden;
  transition: transform 0.14s ease, box-shadow 0.14s ease;
}
.aula:hover { transform: translateY(-3px); box-shadow: var(--sombra-card); }
.aula[hidden] { display: none; }

.aula__link {
  display: block;
  text-decoration: none;
  height: 100%;
}

.aula__thumb {
  display: block;
  position: relative;
  border-bottom: 1.5px solid var(--grafite);
  background: var(--tinta);
}
.aula__thumb img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

/* tarja vertical de matéria à esquerda — mesma gramática da thumbnail */
.aula__thumb::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 7px;
  background: var(--cor-materia, var(--laranja));
  z-index: 1;
}

.aula__body {
  display: block;
  padding: 18px 20px 22px;
}

.aula__meta {
  display: block;
  font-size: 11px;
  color: var(--lapis);
  margin-bottom: 10px;
}
.aula__sigla { color: var(--cor-materia, var(--tinta)); }

.aula__title {
  display: block;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
  font-size: 1.24rem;
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin-bottom: 10px;
}
.aula__link:hover .aula__title { color: var(--laranja); }

.aula__hook {
  display: block;
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--lapis);
}

.aulas__empty {
  margin-top: 26px;
  font-size: 1.05rem;
  color: var(--lapis);
}
.aulas__empty[hidden] { display: none; }

/* ---------- matérias ---------- */

.materias {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 12px;
  margin-top: 34px;
}

.materia {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--papel-claro);
  border: 1.5px solid var(--grafite);
  border-left: var(--acento-card) solid var(--cor-materia);
  border-radius: var(--radius-s);
  padding: 13px 16px;
}

.materia__sigla {
  font-size: 11px;
  color: var(--cor-materia);
  filter: brightness(0.78);
}

.materia__nome { font-size: 1rem; }

/* ---------- no forno ---------- */

.forno {
  display: grid;
  gap: 2px;
  margin-top: 32px;
  border-top: 1.5px solid var(--grafite);
}

.forno__item {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 16px 4px;
  border-bottom: 1.5px solid var(--grafite);
}

.forno__sigla {
  font-size: 11px;
  color: var(--cor-materia);
  filter: brightness(0.78);
  flex-shrink: 0;
  width: 42px;
}

.forno__title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  line-height: 1.12;
  letter-spacing: -0.015em;
}

/* ---------- material gratuito ---------- */

.material { background: var(--papel); }

.material__inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 52px;
  align-items: center;
}

.material__visual img {
  width: 100%;
  border: 3px solid var(--tinta);
  border-radius: var(--radius-s);
  box-shadow: var(--sombra-card);
}

.material__list {
  margin-block: 22px 26px;
  display: grid;
  gap: 9px;
}
.material__list li {
  position: relative;
  padding-left: 26px;
  font-size: 1.02rem;
  line-height: 1.5;
}
.material__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 11px;
  height: 11px;
  border: 2px solid var(--verde);
  border-radius: 3px;
}

.material__microcopy {
  font-size: 11px;
  color: var(--lapis);
  margin-top: 12px;
  text-align: center;
}

@media (max-width: 880px) {
  .material__inner { grid-template-columns: 1fr; gap: 32px; }
  .material__visual { max-width: 320px; }
}

/* ---------- formulário de captura (mesmo desenho da landing do checklist) ---------- */

.lead-form { max-width: 520px; }

.lead-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--lapis);
}

.field input {
  font-family: 'Newsreader', serif;
  font-size: 1rem;
  padding: 13px 14px;
  border: 1.6px solid var(--grafite);
  border-radius: var(--radius-s);
  background: var(--papel-claro);
  color: var(--tinta);
  min-height: 48px;
  width: 100%;
}

.field input::placeholder {
  color: var(--lapis);
  opacity: 0.7;
}

.field input:focus {
  outline: none;
  border-color: var(--tinta);
}

.field input[aria-invalid="true"] { border-color: var(--erro); }

.field__error {
  display: block;
  min-height: 1em;
  font-size: 12.5px;
  color: var(--erro);
  font-family: 'Newsreader', serif;
}

.consent {
  display: grid;
  grid-template-columns: 20px 1fr;
  column-gap: 10px;
  row-gap: 4px;
  align-items: start;
  margin: 4px 0 18px;
}

.consent input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  border: 2px solid var(--tinta);
  border-radius: 4px;
  background: var(--papel-claro);
  cursor: pointer;
  position: relative;
}

.consent input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 3px;
  top: -1px;
  width: 5px;
  height: 10px;
  border-right: 2.2px solid var(--laranja);
  border-bottom: 2.2px solid var(--laranja);
  transform: rotate(40deg);
}

.consent input[type="checkbox"][aria-invalid="true"] { border-color: var(--erro); }

.consent label {
  font-family: 'Newsreader', serif;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--lapis);
  cursor: pointer;
}

.consent label strong {
  color: var(--tinta);
  font-weight: 600;
}

.consent .field__error { grid-column: 2 / -1; }

/* Erro de envio (rede fora, Formspree recusando) — diferente do
   .field__error, que fala de um campo específico. */
.lead-form__error {
  margin-top: 12px;
  padding: 10px 14px;
  border: 1.6px solid var(--erro);
  border-radius: var(--radius-s);
  font-size: 13.5px;
  color: var(--erro);
  text-align: center;
}

/* Honeypot do Formspree: invisível pra gente, preenchido por bot. */
.honeypot { display: none; }

.lead-form.is-success .lead-form__row,
.lead-form.is-success .consent,
.lead-form.is-success .btn,
.lead-form.is-success .lead-form__error,
.lead-form.is-success .lead-form__microcopy {
  display: none;
}

.lead-form__success {
  background: var(--papel-claro);
  border: 1.6px solid var(--verde);
  border-radius: var(--radius-m);
  padding: 20px;
  text-align: center;
}

.lead-form__success-title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--verde);
  margin-bottom: 6px;
}

.lead-form__success-body {
  font-size: 0.95rem;
  color: var(--lapis);
}

.material__link {
  margin-top: 18px;
  font-size: 0.95rem;
  color: var(--lapis);
}
.material__link a { text-decoration-color: var(--grafite); }
.material__link a:hover { color: var(--laranja); }

@media (max-width: 620px) {
  .lead-form__row { grid-template-columns: 1fr; }
}

/* ---------- CTA final ---------- */

/* faixa laranja: todo texto em tinta, nunca branco */
.cta-final {
  background: var(--laranja);
  color: var(--tinta);
  padding-block: 64px;
  border-top: 4px solid var(--tinta);
  border-bottom: 4px solid var(--tinta);
}

.cta-final__inner { text-align: center; }

.cta-final__title {
  font-size: clamp(1.8rem, 1.2rem + 2.4vw, 2.9rem);
  line-height: 1;
  margin-bottom: 16px;
}

.cta-final__text {
  font-size: 1.12rem;
  line-height: 1.5;
  max-width: 50ch;
  margin: 0 auto 28px;
}

.cta-final__note {
  margin-top: 18px;
  color: var(--tinta);
  opacity: 0.75;
}

/* ---------- rodapé ---------- */

.site-footer {
  background: var(--tinta);
  color: var(--papel);
  padding-block: 52px 44px;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 44px;
  align-items: start;
}

.site-footer__logo { width: 240px; height: auto; }

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 18px;
  font-size: 0.98rem;
}
.site-footer__nav a { text-decoration: none; border-bottom: 2px solid transparent; }
.site-footer__nav a:hover { border-bottom-color: var(--laranja); }

.site-footer__links {
  font-size: 11px;
  color: var(--grafite);
  margin-bottom: 16px;
}

.site-footer__fine {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--grafite);
  max-width: 62ch;
}

@media (max-width: 780px) {
  .site-footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .site-footer__logo { width: 200px; }
}

@media (max-width: 560px) {
  body { font-size: 17px; }
  .section { padding-block: 52px; }
  .hero { padding-block: 40px 56px; }
  .btn { width: 100%; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .site-header .btn--small { width: auto; }
}

/* ---------- página 404 ---------- */

.erro404 { padding-block: 40px; }

.erro404 .section__title { max-width: 24ch; }

.erro404__acoes {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.erro404__nota { margin-top: 22px; }