/* ============================================================
   PIVA Educacional — Páginas de vestibulinho (Core30)
   Portado do design system (claude.ai/design · colors_and_type.css).
   Compartilhado pelas 4 escolas (Bandeirantes, Mobile, Etapa, Santa Cruz).
   Versão COMPACTA + acento ÂMBAR "queimados" do estado salvo no design
   (painel de tweaks removido). Importa depois de tailwind.css + shared.css.
   ============================================================ */

/* --- Tokens locais (design system → paleta PIVA) --- */
:root {
  --piva-teal: #008994;
  --piva-teal-dark: #006B73;
  --piva-teal-ink: #0A3D42;
  --piva-amber: #E8860C;
  --piva-amber-dark: #C47200;
  --piva-off-white: #FFFDF8;
  --piva-ink: #1C1C1C;

  --fg-1: #1C1C1C;
  --fg-2: #3A3633;
  --fg-3: #5A5A5A;
  --fg-4: #8A837B;
  --fg-on-dark: #FFFDF8;

  --bg-canvas: #FFFDF8;
  --bg-alt: #F5EDE3;
  --bg-alt-2: #F0EBE3;
  --bg-deep: #0A3D42;
  --bg-card: #FFFCF6;

  --rule: rgba(28, 28, 28, 0.10);

  --font-serif: 'Lora', 'Source Serif Pro', Georgia, 'Times New Roman', serif;
  --font-sans: 'Source Sans 3', 'Source Sans Pro', -apple-system, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  --lh-body: 1.6;

  --shadow-whisper: 0 1px 2px rgba(28,28,28,0.04), 0 1px 0 rgba(28,28,28,0.02);
  --shadow-card:
      0 1px 2px rgba(28,28,28,0.04),
      0 2px 6px rgba(28,28,28,0.04),
      0 8px 16px rgba(28,28,28,0.04),
      0 16px 32px rgba(28,28,28,0.03);
  --shadow-lift:
      0 1px 2px rgba(28,28,28,0.05),
      0 6px 12px rgba(28,28,28,0.05),
      0 18px 28px rgba(28,28,28,0.05),
      0 32px 56px rgba(28,28,28,0.04);

  --ease-premium: cubic-bezier(0.32, 0.72, 0, 1);
}

/* --- Base --- */
.piva { background: var(--bg-canvas); color: var(--fg-1); font-family: var(--font-sans); line-height: var(--lh-body); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
.piva a { color: inherit; text-decoration: none; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 48px; }
.narrow { max-width: 780px; margin: 0 auto; padding: 0 48px; }

.eyebrow {
  font-family: var(--font-sans);
  font-weight: 500; font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--piva-teal); margin: 0;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-sans); font-weight: 600; font-size: 15px;
  border-radius: 9999px; padding: 14px 24px;
  cursor: pointer; border: 1px solid transparent; letter-spacing: 0.005em;
  transition: background .2s var(--ease-premium), transform .15s var(--ease-premium),
              box-shadow .2s var(--ease-premium), color .2s var(--ease-premium);
}
.btn .arr { font-family: var(--font-serif); font-weight: 400; font-size: 17px; transition: transform .2s var(--ease-premium); }
.btn:hover .arr { transform: translateX(3px); }
.piva a.btn-primary, .piva a.btn-primary .arr { background: var(--piva-amber); color: #fff; }
.piva a.btn-primary { box-shadow: var(--shadow-whisper); }
.piva a.btn-primary:hover { background: var(--piva-amber-dark); color: #fff; }
.piva a.btn-primary:active { transform: scale(.98); }
.piva a.btn-secondary { background: transparent; color: var(--piva-teal); border-color: var(--piva-teal); }
.piva a.btn-secondary:hover { background: rgba(0,137,148,.06); }
.piva a.btn-ghost { background: transparent; color: var(--fg-1); padding: 14px 10px; }
.piva a.btn-ghost:hover, .piva a.btn-ghost:hover .arr { color: var(--piva-teal); }
.micro { font-family: var(--font-sans); font-size: 12.5px; color: var(--fg-3); letter-spacing: .005em; margin: 16px 0 0; }
.micro em { font-style: italic; color: var(--piva-teal-dark); }

/* Inline editorial link (internal links no corpo · ponte SEO topical).
   Classe nova: não afeta páginas que não a usam (ex.: Bandeirantes). */
.piva a.inline-link { color: var(--piva-teal-dark); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; transition: color .2s var(--ease-premium); }
.piva a.inline-link:hover { color: var(--piva-teal); }

/* ---------- IMAGE PLACEHOLDER ---------- */
.ph {
  position: relative; overflow: hidden;
  background:
    repeating-linear-gradient(135deg, rgba(168,141,109,.10) 0 2px, transparent 2px 13px),
    linear-gradient(150deg, #E8DFD0, #DCC9AE 60%, #C3A988);
  border: 1px solid var(--rule); border-radius: 16px;
}
.ph::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: .07; mix-blend-mode: multiply;
}
.ph img { display: block; width: 100%; height: 100%; object-fit: cover; }
.ph .ph-label {
  position: absolute; left: 18px; bottom: 16px; right: 18px; z-index: 1;
  font-family: var(--font-mono); font-size: 11px; line-height: 1.5;
  color: rgba(28,28,28,.66); letter-spacing: .01em;
}
.ph .ph-label b {
  display: inline-block; font-family: var(--font-mono); font-weight: 700;
  color: rgba(28,28,28,.8); text-transform: uppercase; letter-spacing: .08em;
  font-size: 9.5px; margin-bottom: 5px;
}
.ph.has-img { background: none; border: 0; }
.ph.has-img::after { display: none; }

/* ---------- TOP BAR (sem nav · attention 1:1) ---------- */
header.top {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,253,248,.85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}
header.top .inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1180px; margin: 0 auto; padding: 15px 48px;
}
header.top img { height: 28px; width: auto; display: block; }
header.top .right { display: flex; align-items: center; gap: 18px; }
header.top .loc { font-family: var(--font-sans); font-size: 12px; color: var(--fg-3); letter-spacing: .01em; }
header.top .btn { padding: 11px 20px; font-size: 14px; }

/* ---------- HERO ---------- */
section.hero { padding: 40px 0 88px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.08fr 1fr; gap: 64px; align-items: center; }
.hero h1 {
  font-family: var(--font-serif); font-weight: 500;
  font-size: clamp(38px, 4.6vw, 62px); line-height: 1.06;
  letter-spacing: -0.022em; margin: 18px 0 24px; color: var(--fg-1); text-wrap: balance;
}
.hero h1 em { font-style: italic; color: var(--piva-amber-dark); font-weight: 500; }
.hero .prose-lede {
  font-family: var(--font-sans); font-size: 18px; line-height: 1.6;
  color: var(--fg-2); max-width: 52ch; margin: 0 0 28px;
}
.cta-row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.hero-photo { position: relative; }
.hero-photo .ph { aspect-ratio: 4/5; box-shadow: var(--shadow-lift); border-radius: 20px; }
.hero-photo .pop {
  position: absolute; bottom: -22px; left: -22px;
  background: var(--bg-card); border: 1px solid var(--rule); border-radius: 14px;
  padding: 16px 20px; max-width: 252px; box-shadow: var(--shadow-card);
  font-family: var(--font-serif); font-size: 14.5px; line-height: 1.5; color: var(--fg-1);
}
.hero-photo .pop .who {
  display: block; margin-top: 9px; font-family: var(--font-sans);
  font-size: 11px; color: var(--fg-3); letter-spacing: .04em; text-transform: uppercase; font-weight: 500;
}

/* ---------- SECTION SCAFFOLD (densidade COMPACTA) ---------- */
.sec { padding: 74px 0; }
.sec.tight { padding: 88px 0; }
.bg-canvas { background: var(--bg-canvas); }
.bg-alt { background: var(--bg-alt); }
.bg-alt-2 { background: var(--bg-alt-2); }
.sec-h2 {
  font-family: var(--font-serif); font-weight: 500;
  font-size: clamp(30px, 3.4vw, 46px); line-height: 1.08;
  letter-spacing: -0.018em; margin: 14px 0 0; color: var(--fg-1); text-wrap: balance;
}
.sec-h2 em { font-style: italic; color: var(--piva-amber-dark); font-weight: 500; }

/* ---------- S2 · DOR ---------- */
.recog-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.recog .prose { font-family: var(--font-serif); font-size: 19px; line-height: 1.72; color: var(--fg-1); max-width: 46ch; }
.recog .prose p { margin: 0 0 18px; max-width: 46ch; }
.recog .prose p:last-child { margin-bottom: 0; }
.recog .prose strong { font-weight: 600; color: var(--fg-1); }
.recog-photo .ph { aspect-ratio: 5/6; border-radius: 18px; box-shadow: var(--shadow-card); }

/* ---------- S3 · MÉTODO ---------- */
.method-head { max-width: 660px; margin-bottom: 52px; }
.method-head .lede { font-family: var(--font-serif); font-style: italic; font-size: 20px; line-height: 1.5; color: var(--fg-2); max-width: 50ch; margin: 16px 0 0; }
.piva-rows { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--rule); }
.piva-row { display: grid; grid-template-columns: 150px 1fr; gap: 40px; align-items: baseline; padding: 36px 0; border-bottom: 1px solid var(--rule); }
.piva-row .letter { font-family: var(--font-serif); font-weight: 500; font-size: clamp(64px, 7vw, 104px); line-height: .82; color: var(--piva-amber); letter-spacing: -.03em; }
.piva-row .body { max-width: 62ch; }
.piva-row h3 { font-family: var(--font-serif); font-weight: 600; font-size: 23px; line-height: 1.2; margin: 0 0 12px; color: var(--fg-1); letter-spacing: -.01em; }
.piva-row h3 span { font-family: var(--font-sans); font-weight: 500; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-4); margin-left: 12px; }
.piva-row p { font-family: var(--font-sans); font-size: 16px; line-height: 1.62; color: var(--fg-2); margin: 0; max-width: 62ch; }
.cadence {
  margin-top: 52px; padding: 36px 40px;
  background: linear-gradient(160deg, rgba(0,137,148,.10), rgba(0,137,148,.04));
  border: 1px solid rgba(0,137,148,.18); border-radius: 16px;
  display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center;
}
.cadence .mark { font-family: var(--font-serif); font-size: 44px; line-height: .8; color: var(--piva-teal); }
.cadence p { font-family: var(--font-serif); font-size: 19px; line-height: 1.5; color: var(--fg-1); margin: 0; max-width: 64ch; }
.cadence p strong { font-weight: 600; font-style: italic; color: var(--piva-teal-ink); }

/* ---------- S4 · O QUE O PROCESSO COBRA ---------- */
.cobra-head { max-width: 680px; margin-bottom: 44px; }
.cobra-head .lede { font-family: var(--font-serif); font-size: 19px; line-height: 1.62; color: var(--fg-1); max-width: 60ch; margin: 16px 0 0; }
.etapas-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.etapa {
  background: var(--bg-card); border: 1px solid var(--rule); border-radius: 16px;
  padding: 32px 30px; box-shadow: var(--shadow-card);
  display: flex; flex-direction: column;
  transition: transform .24s var(--ease-premium), box-shadow .24s var(--ease-premium);
}
.etapa:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }
.etapa .stage { font-family: var(--font-sans); font-weight: 500; font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--piva-amber); margin: 0 0 16px; }
.etapa h3 { font-family: var(--font-serif); font-weight: 600; font-size: 21px; line-height: 1.18; margin: 0 0 12px; color: var(--fg-1); letter-spacing: -.01em; }
.etapa p { font-family: var(--font-sans); font-size: 15.5px; line-height: 1.6; color: var(--fg-2); margin: 0; }
.cobra-foot { margin-top: 40px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: start; }
.cobra-foot .prose { font-family: var(--font-serif); font-size: 18px; line-height: 1.7; color: var(--fg-1); max-width: 54ch; }
.cobra-foot .prose p { margin: 0 0 16px; }
.cobra-foot .prose p:last-child { margin-bottom: 0; }
.cobra-note {
  font-family: var(--font-serif); font-style: italic; font-size: 19px; line-height: 1.5;
  color: var(--piva-amber-dark); max-width: 28ch; padding-left: 26px;
  border-left: 2px solid var(--piva-amber); text-wrap: balance;
}

/* ---------- S5 · PROVA ---------- */
.proof-numbers { display: flex; gap: 44px; flex-wrap: wrap; margin-bottom: 30px; }
.proof-numbers .n { display: flex; flex-direction: column; gap: 4px; }
.proof-numbers .n .v { font-family: var(--font-serif); font-style: italic; font-weight: 500; font-size: 30px; color: var(--piva-amber-dark); letter-spacing: -.01em; }
.proof-numbers .n .k { font-family: var(--font-sans); font-size: 12px; color: var(--fg-3); letter-spacing: .02em; }
.proof-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.proof-head .lede { font-family: var(--font-serif); font-size: 19px; line-height: 1.7; color: var(--fg-1); margin: 18px 0 0; max-width: 52ch; }
.proof-card {
  background: var(--bg-card); border: 1px solid var(--rule); border-radius: 18px;
  padding: 36px 38px; box-shadow: var(--shadow-card);
}
.proof-card .pull { font-family: var(--font-serif); font-style: italic; font-weight: 500; font-size: clamp(22px, 2.4vw, 28px); line-height: 1.32; letter-spacing: -.01em; color: var(--piva-amber-dark); margin: 0 0 18px; text-wrap: balance; }
.proof-card p { font-family: var(--font-sans); font-size: 15.5px; line-height: 1.62; color: var(--fg-2); margin: 0; max-width: 42ch; }
.proof-card .rule-tag { display: inline-block; margin-bottom: 22px; font-family: var(--font-sans); font-weight: 500; font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-4); }

/* ---------- S6 · PARA QUEM É ---------- */
.forwho-head { max-width: 640px; margin-bottom: 44px; }
.forwho-head .lede { font-family: var(--font-serif); font-style: italic; font-size: 19px; line-height: 1.5; color: var(--fg-2); margin: 16px 0 0; max-width: 52ch; }
.forwho-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
.forwho-card { background: var(--bg-card); box-shadow: var(--shadow-card); border-radius: 18px; padding: 36px 38px; border: 1px solid var(--rule); }
.forwho-card .tag { font-family: var(--font-sans); font-weight: 500; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 22px; color: var(--piva-amber); }
.forwho-card ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.forwho-card li {
  display: grid; grid-template-columns: 22px 1fr; gap: 14px; align-items: start;
  padding: 18px 0; border-bottom: 1px solid var(--rule);
  font-family: var(--font-serif); font-size: 17.5px; line-height: 1.45; color: var(--fg-1); letter-spacing: -.003em;
}
.forwho-card li:first-child { padding-top: 0; }
.forwho-card li:last-child { border-bottom: 0; padding-bottom: 0; }
.forwho-card .ic { font-family: var(--font-serif); font-size: 17px; line-height: 1.4; transform: translateY(1px); color: var(--piva-amber); }
.forwho-side .prose { font-family: var(--font-serif); font-size: 19px; line-height: 1.7; color: var(--fg-1); max-width: 42ch; }
.forwho-side .prose p { margin: 0 0 16px; }
.forwho-side .prose p:last-child { margin-bottom: 0; }
.forwho-side .prose strong { font-weight: 600; }

/* ---------- S7 · FAQ ---------- */
.faq-head { max-width: 600px; margin-bottom: 44px; }
.faq-list { max-width: 900px; border-top: 1px solid var(--rule); }
.faq-item { border-bottom: 1px solid var(--rule); }
.faq-q {
  width: 100%; text-align: left; background: transparent; border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 26px 4px; font-family: var(--font-sans); font-weight: 600; font-size: 19px;
  color: var(--fg-1); letter-spacing: -.005em;
}
.faq-q .ic { flex-shrink: 0; width: 22px; height: 22px; position: relative; }
.faq-q .ic::before, .faq-q .ic::after { content: ""; position: absolute; background: var(--piva-teal); border-radius: 2px; transition: opacity .2s var(--ease-premium), transform .3s var(--ease-premium); }
.faq-q .ic::before { left: 0; top: 10px; width: 22px; height: 2px; }
.faq-q .ic::after { left: 10px; top: 0; width: 2px; height: 22px; }
.faq-item.open .faq-q .ic::after { opacity: 0; transform: rotate(90deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease-premium); }
.faq-a .inner { padding: 0 4px 28px; font-family: var(--font-serif); font-size: 18px; line-height: 1.65; color: var(--fg-2); max-width: 70ch; }

/* ---------- S8 · CTA FINAL ---------- */
section.final { padding: 120px 0; background: var(--bg-deep); color: var(--fg-on-dark); position: relative; overflow: hidden; }
section.final .container { position: relative; z-index: 1; text-align: center; }
section.final h2 { font-family: var(--font-serif); font-weight: 500; font-size: clamp(34px, 4vw, 56px); line-height: 1.06; letter-spacing: -.02em; color: var(--fg-on-dark); margin: 16px auto 22px; max-width: 22ch; text-wrap: balance; }
section.final .lede { font-family: var(--font-serif); font-size: 20px; line-height: 1.6; color: rgba(255,253,248,.82); margin: 0 auto 38px; max-width: 52ch; }
section.final .eyebrow { color: var(--piva-amber); }
section.final .cta-row { justify-content: center; }
section.final .micro { color: rgba(255,253,248,.6); }
section.final .micro em { color: var(--piva-amber); }
section.final::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(circle at 78% 12%, rgba(0,137,148,.28), transparent 52%); }

/* ---------- FOOTER ---------- */
footer.bottom { background: var(--piva-ink); color: rgba(255,253,248,.7); padding: 40px 0; }
footer.bottom .inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-family: var(--font-sans); font-size: 12.5px; letter-spacing: .01em; }
footer.bottom .wm { font-family: var(--font-serif); font-weight: 500; font-size: 22px; color: var(--piva-off-white); letter-spacing: -.01em; }
footer.bottom .legal { margin: 22px 0 0; max-width: 96ch; font-family: var(--font-sans); font-size: 11.5px; line-height: 1.55; letter-spacing: .005em; color: rgba(255,253,248,.5); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 940px) {
  .container, .narrow { padding: 0 26px; }
  header.top .inner { padding: 14px 26px; }
  header.top .loc { display: none; }
  .hero-grid, .recog-grid, .proof-grid, .forwho-grid, .cobra-foot { grid-template-columns: 1fr; gap: 40px; }
  .etapas-grid { grid-template-columns: 1fr; }
  .piva-row { grid-template-columns: 1fr; gap: 8px; }
  .hero-photo .pop { left: 0; bottom: -16px; }
  .cobra-note { padding-left: 22px; max-width: none; }
  section.hero { padding-top: 24px; }
  /* Cards — padding lateral reduzido em mobile */
  .forwho-card, .proof-card, .cadence { padding: 28px 24px; }
  section.final { padding: 88px 0; }
}
@media (max-width: 480px) {
  .forwho-card, .proof-card, .cadence { padding: 22px 18px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }