/* Lu Adam Personal Nutri · estilos da página. Mobile-first (base 360), expande em 600 · 900 · 1200. */

@font-face {
  font-family: "Onest";
  src: url("../fonts/onest-var-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Atkinson Hyperlegible Next";
  src: url("../fonts/atkinson-next-var-latin.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

/* ---------- base ---------- */

:root {
  --header-h: 64px;
  --text-card: clamp(1.0625rem, 1.04rem + 0.1vw, 1.125rem); /* 17–18 px */
  --text-small: clamp(1rem, 0.98rem + 0.1vw, 1.0625rem);    /* 16–17 px */
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }

h1, h2, h3 {
  margin: 0;
  font-family: var(--font-display);
  color: var(--color-heading);
  text-wrap: balance;
}
h1 {
  font-weight: 600;
  font-size: var(--step-3);
  line-height: 1.04;
  letter-spacing: -0.035em;
  max-width: 14ch;
}
h2 {
  font-weight: 600;
  font-size: var(--step-2);
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 20ch;
}
h3 {
  font-weight: 600;
  font-size: var(--step-1);
  line-height: 1.2;
  letter-spacing: -0.015em;
}
h2 + p { margin-top: 24px; }

p {
  margin: 0;
  max-width: 62ch;
  text-wrap: pretty;
}

ul, ol { margin: 0; padding: 0; list-style: none; }

a { color: inherit; }

/* superfícies do navegador, desenhadas com a paleta */
::selection { background: var(--color-primary); color: var(--color-primary-ink); }
:focus-visible {
  outline: 3px solid #000;
  outline-offset: 3px;
  border-radius: 6px;
}
a, summary { -webkit-tap-highlight-color: rgba(205, 150, 70, .25); }

.contact :focus-visible { outline-color: var(--color-on-dark); }

/* skip link: fora da tela até receber foco */
.skip-link {
  position: fixed;
  top: 12px;
  left: -9999px;
  z-index: 100;
  padding: 12px 18px;
  border-radius: var(--radius-pill);
  background: var(--color-dark);
  color: var(--color-on-dark);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  line-height: 1.25;
  text-decoration: none;
}
.skip-link:focus-visible {
  left: 12px;
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

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

section[id] { scroll-margin-top: 88px; }

.section { padding-block: var(--space-section); }
.section--sand { background: var(--color-surface); }

.icon { width: 20px; height: 20px; flex: none; }

/* ---------- componentes ---------- */

.kicker {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-muted);
}
.kicker::before {
  content: "";
  flex: none;
  width: 28px;
  height: 2px;
  margin-top: 12px;
  background: var(--color-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 24px;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -10px rgba(205, 150, 70, .9);
}
.btn:active { transform: translateY(0); }
.btn--sm {
  min-height: 44px;
  padding: 0 18px;
  font-size: 15px;
}
.btn--outline {
  padding-block: 12px;
  background: transparent;
  border-color: var(--color-heading);
  color: var(--color-heading);
}

.link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17px;
  color: var(--color-heading);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
  transition: color .2s var(--ease);
}
.link:hover { color: var(--color-accent-text); }

.tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.4;
}

.photo {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--clip-r, var(--radius-photo));
  background: var(--color-primary-soft);
  aspect-ratio: 4 / 5;
}
.photo--3x2 { aspect-ratio: 3 / 2; }
.photo--4x3 { aspect-ratio: 4 / 3; }
.photo--4x5 { aspect-ratio: 4 / 5; }
.photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--pos, 50% 50%);
}


/* texto corrido justificado (pedido do usuário em 2026-10-25): só parágrafos longos em colunas largas e só a partir
   de 600 px; abaixo disso a linha tem ~35 caracteres e o justificado abre buracos entre as palavras. Colunas
   estreitas, listas, citações, notas e textos curtos ficam alinhados à esquerda */
@media (min-width: 600px) {
  .for-whom__text,
  .for-whom__closing,
  .feature__body p,
  .about__text p,
  .approach__text,
  .faq__list details p,
  .contact__text,
  .quote p {
    text-align: justify;
    -webkit-hyphens: auto;
    hyphens: auto;
  }
}
/* cards de Serviços: entre 600 e 899 px ficam em 2 colunas estreitas; justifica só a partir de 900 px */
@media (min-width: 900px) {
  .card p {
    text-align: justify;
    -webkit-hyphens: auto;
    hyphens: auto;
  }
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .88);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}
.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--header-h);
}
.brand {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 44px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1875rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-heading);
  text-decoration: none;
  white-space: nowrap;
}
.brand span {
  font-weight: 400;
  font-size: 0.9em;
  color: var(--color-text-muted);
}
.site-nav { display: none; }

@media (min-width: 520px) {
  .brand { flex-direction: row; align-items: center; gap: .28em; font-size: 1.25rem; }
  .brand span { font-size: 1em; }
}

/* ---------- 4.1 hero ---------- */

.hero { padding-block: 40px 64px; }
.hero__grid { display: grid; gap: 40px; }

.hero__lead {
  margin-top: 22px;
  max-width: 34ch;
  font-size: clamp(18px, 1.6vw, 21px);
  color: var(--color-text-muted);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
  margin-top: 32px;
}
.hero__mode {
  margin-top: 28px;
  font-size: 15px;
  color: var(--color-text-muted);
}
.hero__reg {
  margin-top: 8px;
  font-size: 15px;
  color: var(--color-text-muted);
}

.hero__media { position: relative; }
.hero__photo { --pos: 50% 22%; }

/* celular: o selo fica abaixo da foto e só encosta na borda dela, sem cobrir o rosto */
.seal {
  position: relative;
  z-index: 1;
  margin: -32px 16px 0;
  padding: 16px 20px;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-float);
}
.seal p { max-width: none; }
.nowrap { white-space: nowrap; }
/* par "título · registro": o número nunca quebra; onde não cabe numa linha, vai inteiro para a linha de baixo,
   sem o separador solto no fim ou no começo da linha */
.cred__num { white-space: nowrap; }
.seal__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-heading);
}
.seal__line {
  font-size: 15px;
  line-height: 1.3;
  color: var(--color-text-muted);
}
.seal__name + .seal__line { margin-top: 2px; }

.status-tag {
  position: absolute;
  right: 12px;
  top: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: none;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: var(--color-dark);
  color: var(--color-on-dark);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.2;
}
.status-tag__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ---------- 4.2 para quem ---------- */

.for-whom__grid { display: grid; gap: 40px; }
/* celular: o wrapper some do layout e a ordem fica cabeçalho, lista, foto */
.for-whom__aside { display: contents; }
.for-whom__head { order: 1; }
.for-whom__list { order: 2; }
.for-whom__photo { order: 3; }
.for-whom__text + .for-whom__text { margin-top: 16px; }
.lead-h3 { margin-bottom: 20px; }
.ticks li {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--color-line);
}
.ticks li:last-child { border-bottom: 1px solid var(--color-line); }
.for-whom__closing { margin-top: 28px; font-size: var(--text-card); }
.ticks li::before {
  content: "";
  flex: none;
  width: 10px;
  height: 10px;
  margin-top: calc(0.8em - 5px);
  border-radius: 3px;
  background: var(--color-primary);
}

/* ---------- 4.3 serviços ---------- */

.services__head { margin-bottom: 48px; }

.feature { display: grid; gap: 32px; align-items: center; }
.feature__media { max-width: 520px; }
.feature__title {
  margin-bottom: 20px;
  font-size: clamp(1.625rem, 1.3rem + 1.2vw, 2.25rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
}
.feature__body p { max-width: 46ch; }
.feature__body p + p { margin-top: 16px; }

.cards { display: grid; gap: 48px; margin-top: 64px; }
.card__body { margin-top: 20px; }
.card h3 { margin-bottom: 8px; }
.card p { max-width: 52ch; font-size: var(--text-card); }
.card p + p { margin-top: 12px; }

/* ---------- 4.4 sobre ---------- */

.about__grid { display: grid; gap: 32px; }
.about__reg {
  margin-top: 20px;
  font-size: 16px;
  color: var(--color-text-muted);
}
.about__reg + .about__reg { margin-top: 4px; }
.about__text p + p { margin-top: 20px; }
.quote {
  margin: 40px 0 0;
  padding-left: 24px;
  border-left: 3px solid var(--color-primary);
}
.quote p {
  max-width: 40ch;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--step-1);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--color-heading);
}
.creds { display: grid; gap: 24px; margin-top: 40px; }
.creds li {
  max-width: 34ch;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.4;
  color: var(--color-heading);
}
.creds li::before {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  margin-bottom: 14px;
  background: var(--color-primary);
}

/* ---------- 4.5 como eu trabalho ---------- */

.approach__head { display: grid; gap: 24px; margin-bottom: 40px; }
.approach__head h2 + p { margin-top: 0; }
.principles { display: grid; gap: 32px; }
.principles li {
  padding-top: 24px;
  border-top: 2px solid var(--color-heading);
}
.principles h3 { margin-bottom: 10px; }
.principles p { font-size: var(--text-card); }
.approach__closing {
  margin-top: 48px;
  font-size: 16px;
  color: var(--color-text-muted);
}

/* ---------- 4.6 como funciona ---------- */

.how__head { margin-bottom: 40px; }
.steps { position: relative; display: grid; gap: 32px; }
.steps li {
  position: relative;
  display: grid;
  grid-template-columns: 40px 1fr;
  column-gap: 20px;
  align-items: start;
}
.steps__num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  line-height: 1;
}
.steps__body { padding-top: 8px; }
.steps__body h3 { margin-bottom: 8px; }
.steps__body p { font-size: var(--text-card); }
/* linha vertical (mobile): um segmento por etapa, desenhados em sequência */
.steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 40px;
  width: 2px;
  height: calc(100% - 40px + 32px);
  background: var(--color-heading);
  transform-origin: top;
}
.how__cta { margin-top: 48px; }

/* ---------- 4.7 modalidades ---------- */

.modes__grid { display: grid; gap: 48px; }
.modes__list { margin-top: 32px; }
.modes__list li {
  padding: 22px 0;
  border-top: 1px solid var(--color-line);
}
.modes__list h3 { margin-bottom: 8px; }
.modes__list p { font-size: var(--text-card); }
.modes__note {
  margin-top: 24px;
  font-size: 16px;
  color: var(--color-text-muted);
}

.integrated {
  padding: 24px;
  background: var(--color-surface);
  border-radius: var(--radius-card);
}
.integrated__photo { margin-bottom: 24px; }
.integrated__title {
  margin-bottom: 12px;
  overflow-wrap: break-word;
  font-size: clamp(1.875rem, 0.9rem + 2.1vw, 2.5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.integrated > p:not(.tag) { margin-bottom: 24px; font-size: var(--text-card); }

/* ---------- 4.7b e-books ---------- */

.ebooks__head { margin-bottom: 40px; }
.ebooks__grid { display: grid; gap: 24px; }
.ebook {
  display: grid;
  gap: 24px;
  padding: 24px;
  background: var(--color-bg);
  border-radius: var(--radius-card);
}
.ebook__cover {
  width: 56%;
  margin: 0 auto;
  aspect-ratio: 1414 / 2000;
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-primary-soft);
  box-shadow: var(--shadow-float);
  outline: 1px solid rgba(0, 0, 0, .08);
  outline-offset: -1px;
}
.ebook__cover img { width: 100%; height: 100%; object-fit: cover; }
.ebook__subtitle {
  margin-top: 6px;
  font-size: var(--text-small);
  line-height: 1.45;
  color: var(--color-text-muted);
}
.ebook__subtitle + p { margin-top: 16px; font-size: var(--text-card); }
.ebook__label {
  margin-top: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--color-heading);
}
.ebook__list { margin-top: 8px; }
.ebook__list li {
  display: flex;
  gap: 12px;
  padding: 6px 0;
  font-size: var(--text-small);
  line-height: 1.5;
}
.ebook__list li::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: calc(0.75em - 4px);
  border-radius: 2px;
  background: var(--color-primary);
}
.ebook__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  margin-top: 24px;
}
.ebooks__note {
  margin-top: 32px;
  font-size: 16px;
  color: var(--color-text-muted);
}

/* ---------- 4.8 dúvidas ---------- */

.faq__grid { display: grid; gap: 32px; }
.faq__side { display: contents; }
.faq__head { order: 1; }
.faq__list { order: 2; }
.faq__more { order: 3; }
.faq__more p { margin-bottom: 8px; }

.faq__list details {
  margin-bottom: 10px;
  background: var(--color-surface);
  border-radius: 14px;
}
.faq__list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  padding: 20px 22px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-heading);
  cursor: pointer;
  list-style: none;
}
.faq__list summary::-webkit-details-marker { display: none; }
.faq__list summary::after {
  content: "";
  flex: none;
  width: 16px;
  height: 16px;
  background:
    linear-gradient(currentColor, currentColor) center / 100% 2px no-repeat,
    linear-gradient(currentColor, currentColor) center / 2px 100% no-repeat;
  transition: transform .25s var(--ease);
}
.faq__list details[open] summary::after { transform: rotate(45deg); }
.faq__list summary:focus-visible { outline-offset: 2px; border-radius: 14px; }
.faq__list details p {
  padding: 0 22px 22px;
  max-width: 60ch;
  font-size: var(--text-card);
}

/* ---------- 4.9 contato ---------- */

.contact {
  padding-block: var(--space-section);
  background: var(--color-dark);
  color: var(--color-on-dark);
}
.contact__grid { display: grid; gap: 48px; }
.contact h2 {
  color: var(--color-on-dark);
  font-size: clamp(2.5rem, 1.6rem + 3.6vw, 4rem);
}
.contact__lead {
  margin-top: 24px;
  max-width: 30ch;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--step-1);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--color-on-dark);
}
.contact__text {
  margin: 16px 0 32px;
  max-width: 40ch;
  color: rgba(255, 255, 255, .82);
}
.channels li {
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, .2);
}
.channels__label {
  display: block;
  font-size: 15px;
  line-height: 1.4;
  color: rgba(255, 255, 255, .7);
}
.channels__value {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.3;
  color: var(--color-on-dark);
  text-decoration: none;
  text-underline-offset: 5px;
  overflow-wrap: anywhere;
}
.channels__value:hover { text-decoration: underline; text-decoration-thickness: 1px; }

/* ---------- rodapé ---------- */

.site-footer {
  padding-block: 40px;
  border-top: 1px solid var(--color-line);
}
.site-footer__inner { display: grid; gap: 20px; }
.site-footer__id { display: flex; align-items: center; gap: 16px; }
.site-footer__logo {
  width: 64px;
  height: 64px;
  flex: none;
  border-radius: 10px;
}
.site-footer__id p { display: grid; max-width: none; line-height: 1.4; }
.site-footer__id strong {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-heading);
}
.site-footer__id span { color: var(--color-text-muted); }
.site-footer__reg {
  font-size: 15px;
  color: var(--color-text-muted);
}
.site-footer__reg .cred { display: block; }
.site-footer__tagline {
  margin-top: 4px;
  font-size: 15px;
  color: var(--color-text-muted);
}
.site-footer__links { display: flex; flex-wrap: wrap; gap: 0 24px; }
.site-footer__links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  min-width: 44px;
  font-size: 15px;
  color: var(--color-heading);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}
.site-footer__links a:hover { color: var(--color-accent-text); }
.site-footer__copy {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* ---------- movimento (estado oculto só com JS) ---------- */

.js [data-reveal="up"],
.js [data-reveal-group] > * {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity var(--dur) var(--ease) var(--delay, 0s),
    transform var(--dur) var(--ease) var(--delay, 0s);
}
.js [data-reveal-group] > * { --delay: calc(var(--i, 0) * 80ms); }
.js [data-reveal="up"].is-visible,
.js [data-reveal-group].is-visible > * {
  opacity: 1;
  transform: none;
}

.js [data-reveal-img] {
  clip-path: inset(100% 0 0 0 round var(--clip-r, var(--radius-photo)));
  transition: clip-path 1.1s var(--ease) var(--delay, 0s);
}
.js [data-reveal-img].is-revealed {
  clip-path: inset(0 0 0 0 round var(--clip-r, var(--radius-photo)));
}

.js .seal {
  opacity: 0;
  transform: translateY(16px) scale(.97);
  transition: opacity .7s var(--ease) .85s, transform .7s var(--ease) .85s;
}
.js .status-tag {
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity .6s var(--ease) 1.05s, transform .6s var(--ease) 1.05s;
}
.js .hero__media.is-visible .seal,
.js .hero__media.is-visible .status-tag {
  opacity: 1;
  transform: none;
}

.js .steps li:not(:last-child)::after {
  transform: scaleY(0);
  transition: transform .4s linear calc(var(--i, 0) * .4s);
}
.js .steps.is-visible li:not(:last-child)::after { transform: scaleY(1); }

@media (prefers-reduced-motion: reduce) {
  .js [data-reveal="up"],
  .js [data-reveal-group] > *,
  .js .seal,
  .js .status-tag {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .js [data-reveal-img] {
    clip-path: none !important;
    transition: none !important;
  }
  .js .steps li::after,
  .js .steps::before { transform: none !important; transition: none !important; }
  .btn, .link, .faq__list summary::after { transition: none; }
  .btn:hover, .btn:active { transform: none; }
}

/* ---------- 480+ (CTAs largos só no celular) ---------- */

@media (max-width: 599px) {
  .cred__sep { display: none; }
  .cred__num { display: block; }
  .hero__actions .btn,
  .how__cta .btn,
  .contact__main .btn,
  .integrated .btn,
  .ebook__actions .btn { width: 100%; }
  /* botão largo com ícone: contrapeso invisível do tamanho do ícone + gap à direita, para o texto ficar no centro */
  .hero__actions .btn::after,
  .how__cta .btn::after,
  .contact__main .btn::after {
    content: "";
    flex: none;
    width: 20px;
  }
  .hero__actions .link { align-self: flex-start; }

  /* mobile-responsive-pass: o título mais longo da página (80 caracteres) ocupava 5 linhas a 360 px */
  .about__head h2 { font-size: 1.625rem; line-height: 1.12; }
  /* cartão dos e-books dentro do gutter de 24 px: 20 px de padding devolve 8 px à coluna de texto */
  .ebook { padding: 20px; }
}

/* ---------- 600+ ---------- */

@media (min-width: 600px) {
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px 32px;
  }
  .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 32px; }
  .channels__value { font-size: 20px; }
  .ebook {
    grid-template-columns: 34% 1fr;
    align-items: start;
    row-gap: 20px;
    padding: 28px;
  }
  .ebook__cover { width: 100%; grid-row: 1 / span 2; }
}

/* tablet retrato: a foto do hero vai a no máximo 560 px, centralizada (selo e etiqueta acompanham) */
@media (min-width: 600px) and (max-width: 899px) {
  .hero__media { max-width: 560px; margin-inline: auto; }
}

/* selo entre 900 e 1099 px: a linha do CREF não cabe inteira */
@media (min-width: 900px) and (max-width: 1099px) {
  .seal .cred__sep { display: none; }
  .seal .cred__num { display: block; }
}

/* ---------- 900+ ---------- */

@media (min-width: 900px) {
  :root { --header-h: 72px; }

  .site-nav { display: flex; gap: 12px; }
  .site-nav a {
    display: inline-flex;
    white-space: nowrap;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    min-width: 44px;
    font-size: 16px;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color .2s var(--ease);
  }
  .site-nav a:hover { color: var(--color-heading); }

  .hero {
    display: grid;
    align-items: center;
    min-height: calc(100svh - var(--header-h));
    padding-block: 72px 88px;
  }
  .hero__grid {
    grid-template-columns: 1.1fr .9fr;
    gap: 72px;
    align-items: center;
  }
  .hero__reg { display: none; }
  .seal {
    position: absolute;
    margin: 0;
    left: -18px;
    right: auto;
    bottom: 28px;
    min-width: 270px;
    max-width: calc(100% + 6px);
  }
  .status-tag { right: -12px; top: 28px; }

  .for-whom__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 32px;
    align-items: start;
  }
  /* coluna esquerda (cabeçalho + foto) acompanha a lista longa da direita */
  .for-whom__aside {
    display: block;
    grid-column: 1 / span 5;
    position: sticky;
    top: 104px;
  }
  .for-whom__photo { margin-top: 40px; }
  .for-whom__list { grid-column: 7 / span 6; }

  .feature { grid-template-columns: 5fr 7fr; gap: 48px; }
  .feature__media { max-width: none; }
  .cards { gap: 56px 48px; }

  .about__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-template-rows: auto 1fr;
    column-gap: 32px;
    row-gap: 32px;
  }
  .about__photo-wrap {
    grid-column: 1 / span 5;
    grid-row: 1 / span 2;
    align-self: start;
    position: sticky;
    top: 104px;
  }
  .about__head { grid-column: 7 / span 6; grid-row: 1; }
  .about__body { grid-column: 7 / span 6; grid-row: 2; }

  .approach__head {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 32px;
    align-items: end;
    margin-bottom: 64px;
  }
  .approach__head > div { grid-column: 1 / span 6; }
  .approach__text { grid-column: 7 / span 6; }
  .principles { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; }

  .how__head { margin-bottom: 56px; }
  .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; }
  .steps li { display: block; }
  .steps li::after { display: none; }
  .steps__num { width: 48px; height: 48px; font-size: 20px; }
  .steps__body { padding-top: 0; margin-top: 24px; }
  /* linha horizontal ligando o centro do 1º ao centro do 4º círculo */
  .steps::before {
    content: "";
    position: absolute;
    top: 23px;
    left: 24px;
    right: calc(25% - 48px);
    height: 2px;
    background: var(--color-heading);
    transform-origin: left;
  }
  .js .steps::before {
    transform: scaleX(0);
    transition: transform 1.2s var(--ease);
  }
  .js .steps.is-visible::before { transform: none; }
  .how__cta { margin-top: 56px; text-align: center; }

  .modes__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 32px;
    align-items: start;
  }
  .modes__main { grid-column: 1 / span 6; }
  .modes__list li {
    display: grid;
    grid-template-columns: minmax(180px, 2fr) 3fr;
    gap: 24px;
  }
  .modes__list h3 { margin-bottom: 0; }
  .integrated {
    grid-column: 8 / span 5;
    position: sticky;
    top: 104px;
  }
  .integrated .btn { width: 100%; padding-inline: 16px; font-size: 16px; }

  .ebooks__head { margin-bottom: 48px; }
  .ebooks__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
  .ebook { grid-template-columns: minmax(0, 2fr) 3fr; }
  /* subgrid: a linha capa+cabeçalho tem a mesma altura nos dois cards, então as divisórias se alinham */
  @supports (grid-template-rows: subgrid) {
    .ebook { grid-row: span 2; grid-template-rows: subgrid; }
  }
  /* dois cards lado a lado: capa e cabeçalho em cima, lista e ações na largura toda do card */
  .ebook__cover { grid-row: auto; }
  .ebook__body {
    grid-column: 1 / -1;
    padding-top: 20px;
    border-top: 1px solid var(--color-line);
  }

  .faq__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 32px;
    align-items: start;
  }
  .faq__side {
    display: block;
    grid-column: 1 / span 4;
    position: sticky;
    top: 104px;
  }
  .faq__list { grid-column: 6 / span 7; }
  .faq__list summary { font-size: var(--step-1); }
  .faq__more { margin-top: 24px; }
  .faq__more p { margin-bottom: 4px; }

  .contact__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 32px;
    align-items: center;
  }
  .contact__main { grid-column: 1 / span 7; }
  .channels { grid-column: 9 / span 4; }

  .site-footer__inner {
    grid-template-columns: auto 1fr auto;
    align-items: center;
    column-gap: 40px;
  }
  .site-footer__about p { max-width: 44ch; }
  .site-footer__copy { grid-column: 1 / -1; }
}

/* ---------- 1200+ ---------- */

@media (min-width: 1100px) {
  .site-nav { gap: 28px; }
}

@media (min-width: 1200px) {
  .for-whom__grid,
  .about__grid,
  .modes__grid,
  .faq__grid,
  .contact__grid,
  .approach__head { column-gap: 48px; }
}