/* Home do portal (index.md). Carregado só na home via portal_home: true.
   Cores pelos tokens --ph-* (definidos para o site todo em
   _includes/head/custom.html; escuro é o padrão e html.theme-light o claro).
   Medidas e cores seguem o mockup aprovado (docs/PLANO_HOME_UI_UX.md). */

/* O tema escala o <html> para 17-18px em telas largas (Fix 8 em custom.html).
   A home fixa a própria base em 16px e usa px/em, como no mockup, senão tudo
   fica ~12% maior. */
.portal-home {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 4px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ph-text);
}

/* Fundo da página inteira na home (o tema usa #252a34, mais claro que os
   cards, o que apagava a profundidade no escuro). overflow-x: clip segura as
   faixas de largura total do hero e do rodapé. */
body.layout--portal-home { background: #171b1e; overflow-x: clip; }
html.theme-light body.layout--portal-home { background: #ffffff; }
body.layout--portal-home .page__footer { display: none; }


.portal-home h1, .portal-home h2, .portal-home h3 {
  color: var(--ph-text);
  text-wrap: balance;
  line-height: 1.25;
  border: 0;
  margin: 0;
  padding: 0;
}
.portal-home a:focus-visible, .portal-home button:focus-visible {
  outline: 2px solid var(--ph-accent);
  outline-offset: 2px;
}
.portal-home .ph-sub { color: var(--ph-muted); margin: 6px 0 22px; max-width: 64ch; font-size: 16px; }

/* Faixa de largura total atrás de uma seção (hero e rodapé). */
.ph-hero, .ph-foot { position: relative; isolation: isolate; }
.ph-hero::before, .ph-foot::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(50% - 50vw);
  right: calc(50% - 50vw);
  z-index: -1;
}

/* Hero */
.ph-hero { padding: 48px 0 36px; }
.ph-hero::before {
  background: linear-gradient(180deg, var(--ph-accent-soft), var(--ph-bg) 85%);
  border-bottom: 1px solid var(--ph-border);
}
.ph-eyebrow {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ph-accent);
}
.portal-home .ph-hero h1 { font-size: clamp(28px, 4.4vw, 42px); margin: 10px 0 12px; max-width: 22ch; }
.ph-lede { font-size: 18px; color: var(--ph-muted); max-width: 62ch; margin: 0 0 24px; }
.ph-ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.portal-home .ph-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 8px;
  border: 1px solid var(--ph-accent);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
}
.portal-home .ph-btn-primary, .portal-home .ph-btn-primary:visited { background: var(--ph-accent); color: var(--ph-accent-ink); }
.portal-home .ph-btn-primary:hover { background: var(--ph-accent-hover); border-color: var(--ph-accent-hover); color: var(--ph-accent-ink); }
.portal-home .ph-btn-ghost, .portal-home .ph-btn-ghost:visited { background: var(--ph-card); color: var(--ph-accent); }
.portal-home .ph-btn-ghost:hover { background: var(--ph-accent-soft); color: var(--ph-accent); }

.ph-chip {
  font-family: var(--ph-mono);
  font-size: 11.5px;
  border: 1px solid var(--ph-border);
  border-radius: 5px;
  padding: 1px 6px;
  color: var(--ph-muted);
  background: transparent;
}
.ph-chip { border-radius: 999px; padding: 1px 8px; background: var(--ph-card); white-space: nowrap; }

/* Blocos */
.ph-block { padding: 44px 0; border-bottom: 1px solid var(--ph-border); }
.portal-home .ph-block h2 { font-size: 26px; }

/* Como estudar */
.ph-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.portal-home .ph-step {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
  padding: 18px;
  background: var(--ph-surface);
  border-radius: 10px;
  font-size: 14.5px;
  color: var(--ph-muted);
}
.ph-step strong { color: var(--ph-text); font-size: 17px; line-height: 1.25; margin-bottom: 2px; }
.ph-step .ph-meta { margin-top: 6px; }
.ph-step-n { font-family: var(--ph-mono); font-size: 12px; font-weight: 700; text-transform: uppercase; color: var(--ph-accent); }

/* Linha do tempo das fases */
.ph-timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 28px; }
.portal-home .ph-phase {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  margin: 0;
}
.ph-phase::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 44px;
  bottom: -28px;
  width: 2px;
  background: var(--ph-border);
}
.ph-phase:last-child::before { display: none; }
.ph-dot {
  position: relative;
  z-index: 1;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--ph-mono);
  font-size: 16px;
  font-weight: 700;
  background: var(--ph-accent);
  color: var(--ph-accent-ink);
}
.portal-home .ph-phase h3 { font-size: 20px; margin-top: 8px; }
.ph-phase-body { min-width: 0; }
.portal-home .ph-phase-body .ph-sub { font-size: 15px; margin: 4px 0 14px; }

/* Cards */
.ph-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.ph-grid-projetos { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.ph-grid-sm { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.portal-home .ph-card, .portal-home .ph-card:visited {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  background: var(--ph-card);
  border: 1px solid var(--ph-border);
  border-radius: 10px;
  color: var(--ph-text);
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.portal-home .ph-card:hover { border-color: var(--ph-accent); box-shadow: var(--ph-shadow); transform: translateY(-2px); color: var(--ph-text); }
.ph-card-top { display: flex; align-items: center; gap: 10px; }
.ph-card-ic { font-size: 22px; line-height: 1; }
.ph-card-kind { font-family: var(--ph-mono); font-size: 11.5px; font-weight: 600; letter-spacing: 0.02em; color: var(--ph-accent); }
.ph-card-title { font-weight: 700; font-size: 16px; line-height: 1.3; }
.ph-card-desc { font-size: 14px; line-height: 1.6; color: var(--ph-muted); flex: 1; }
.ph-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }

/* Especializações */
.ph-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.ph-tab {
  font: inherit;
  font-size: 14.5px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--ph-border);
  background: var(--ph-surface);
  color: var(--ph-muted);
  cursor: pointer;
}
.ph-tab[aria-selected="true"] { background: var(--ph-accent); border-color: var(--ph-accent); color: var(--ph-accent-ink); }
.ph-spec-group + .ph-spec-group { margin-top: 28px; }
.portal-home .ph-spec-group h3 { font-size: 18px; }
.ph-tabs-ready .ph-spec-group + .ph-spec-group { margin-top: 0; }
.ph-tabs-ready .ph-spec-group h3 { display: none; }
.ph-prereq { color: var(--ph-muted); margin: 0 0 14px; font-size: 14.5px; }
.ph-prereq strong { color: var(--ph-text); }

/* Rodapé da home: faixa de largura total no lugar do rodapé do tema. */
.ph-foot {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 28px;
  /* Embaixo, reserva o espaço do botão fixo "Voltar ao topo" (bottom: 2rem,
     44px de altura, em custom.html) para ele não cobrir o QR no fim da página. */
  padding: 36px 0 calc(2rem + 52px);
  font-size: 14.5px;
  color: var(--ph-muted);
}
.ph-foot::before { background: var(--ph-surface); }
.portal-home .ph-foot h2 { font-size: 16px; }
.ph-links { list-style: none; margin: 8px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 18px; }
.portal-home .ph-links li { margin: 0; font-size: 14.5px; }
.portal-home .ph-links a { color: var(--ph-accent); }
.ph-copy { margin: 14px 0 0; font-size: 13px; }
.ph-qr { display: flex; align-items: center; gap: 14px; }
.ph-qr img { width: 104px; height: 104px; padding: 6px; background: #ffffff; border: 1px solid var(--ph-border); border-radius: 8px; }

/* Abaixo de 1120px + margens o tema não dá recuo lateral à home: sem isto o
   texto encosta a 4px da borda, enquanto a barra do topo fica a ~16px. */
@media (max-width: 1160px) {
  .portal-home { padding: 0 16px; }
}
@media (max-width: 640px) {
  .ph-hero { padding-top: 28px; }
  .portal-home .ph-phase { grid-template-columns: 34px 1fr; gap: 12px; }
  .ph-dot { width: 34px; height: 34px; font-size: 14px; }
  .ph-phase::before { left: 16px; top: 34px; }
  .ph-foot { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .portal-home .ph-card { transition: none; }
  .portal-home .ph-card:hover { transform: none; }
}