/* ═══════════════════════════════════════════════════
   PÁGINAS DE CASE — estilos compartilhados
═══════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:       #0A0A0F;
  --dark:        #0F0F18;
  --dark-2:      #13131E;
  --dark-3:      #1A1A2E;
  --card-bg:     #141420;
  --border:      rgba(255,255,255,0.07);
  --border-hov:  rgba(255,255,255,0.15);
  --accent-1:    #7B5CFA;
  --accent-2:    #C084FC;
  --gold:        #F5C842;
  --text-primary:   #F0EFF8;
  --text-secondary: #9E9BB8;
  --text-muted:     #5E5B7A;
  --font-display: 'Syne', sans-serif;
  --font-body:    'Inter', sans-serif;
  --container:   860px;
  --radius:      16px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--black);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent-1); color: #fff; }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--accent-1); border-radius: 2px; }

/* ── NAV ─────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav__logo .dot { color: var(--accent-1); }
.nav__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}
.nav__back:hover { color: var(--accent-2); }
.nav__back i { font-size: 12px; }

/* ── CONTAINER ───────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ── HERO DO CASE ────────────────────────────────── */
.case-hero {
  padding: 120px 0 64px;
  position: relative;
  overflow: hidden;
}
.case-hero__bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(123,92,250,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(123,92,250,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.case-hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}
.case-hero__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-2);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.case-hero__label::before {
  content: '';
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
}
.case-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.case-hero__title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.case-hero__subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 620px;
  margin-bottom: 40px;
}

/* Overview pills */
.case-hero__overview {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.overview-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 13px;
}
.overview-pill strong {
  color: var(--text-primary);
  font-weight: 600;
}
.overview-pill span {
  color: var(--text-secondary);
}
.overview-pill i {
  font-size: 12px;
  color: var(--accent-1);
}

/* ── DIVISOR ─────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ── CONTEÚDO DO CASE ────────────────────────────── */
.case-body {
  padding: 64px 0 100px;
}

/* Seção de contexto */
.case-section {
  margin-bottom: 56px;
}
.case-section__label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-2);
  background: rgba(123,92,250,0.1);
  border: 1px solid rgba(123,92,250,0.2);
  border-radius: 6px;
  padding: 4px 12px;
  margin-bottom: 16px;
}
.case-section__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.3;
}
.case-section p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 12px;
}
.case-section p:last-child { margin-bottom: 0; }

/* Lista */
.case-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}
.case-list li {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
  padding-left: 20px;
  position: relative;
}
.case-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-1);
  font-size: 12px;
  top: 3px;
}
.case-list li strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Etapa */
.etapa {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 20px;
  transition: border-color 0.3s;
}
.etapa:hover { border-color: rgba(123,92,250,0.25); }

.etapa__header {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border);
}
.etapa__num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  min-width: 48px;
}
.etapa__heading h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.etapa__heading p {
  font-size: 13px;
  color: var(--text-secondary);
}

.etapa__body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.etapa__block h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 12px;
}
.etapa__block h4 i { font-size: 11px; }
.etapa__block p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Métricas */
.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.metric {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.2s, background 0.2s;
}
.metric:hover {
  border-color: rgba(123,92,250,0.3);
  background: rgba(123,92,250,0.04);
}
.metric__icon { font-size: 20px; color: var(--accent-1); }
.metric__label {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}
.metric__value {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

/* Resultado final */
.case-result {
  background: linear-gradient(135deg, rgba(245,200,66,0.06), rgba(123,92,250,0.06));
  border: 1px solid rgba(245,200,66,0.15);
  border-radius: var(--radius);
  padding: 36px 40px;
  margin-top: 48px;
}
.case-result__label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(245,200,66,0.1);
  border: 1px solid rgba(245,200,66,0.2);
  border-radius: 6px;
  padding: 4px 12px;
  margin-bottom: 16px;
}
.case-result__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
}
.case-result p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.85;
}

/* Navegação entre cases */
.case-nav {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}
.case-nav__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.case-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 12px 20px;
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: all 0.3s ease;
  background: var(--card-bg);
}
.case-nav__link:hover {
  border-color: var(--accent-1);
  color: var(--accent-2);
  background: rgba(123,92,250,0.08);
}
.case-nav__link--next i { order: 1; }
.case-nav__all {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.case-nav__all:hover { color: var(--accent-2); }

/* ── RESPONSIVO ──────────────────────────────────── */
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .case-hero { padding: 100px 0 48px; }
  .case-hero__title { font-size: 2rem; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .case-result { padding: 24px; }
  .etapa__header { gap: 14px; padding: 20px; }
  .etapa__body { padding: 20px; }
  .case-nav__inner { flex-direction: column; align-items: stretch; text-align: center; }
  .case-nav__link { justify-content: center; }
}

@media (max-width: 480px) {
  .metrics { grid-template-columns: 1fr; }
  .case-hero__overview { flex-direction: column; align-items: flex-start; }
}