/* ==========================================================================
   Eng. Mario Ferreira Rocha — Site institucional
   Design system / folha de estilo única (PT-BR)
   Paleta: azul petróleo, grafite, concreto, branco técnico, cobre, verde eng.
   ========================================================================== */

/* ----------------------------------------------------------------------------
   1. Tokens
---------------------------------------------------------------------------- */
:root {
  /* Cores */
  --petroleum: #0B1F2A;
  --petroleum-2: #0E2733;
  --graphite: #1F2428;
  --concrete: #B8B8B2;
  --concrete-dim: #8A8E8C;
  --white-tech: #F7F7F4;
  --copper: #B78A4A;
  --copper-soft: #CBA468;
  --green-eng: #1F4D3A;

  /* Derivados */
  --ink: #0B1F2A;
  --ink-soft: #3A464C;
  --line: rgba(11, 31, 42, 0.12);
  --line-dark: rgba(247, 247, 244, 0.14);
  --bg: #F7F7F4;
  --bg-alt: #EFEFEA;

  /* Tipografia */
  --font-display: "Sora", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  /* Métrica */
  --container: 1240px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 4px;
  --radius-lg: 8px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ----------------------------------------------------------------------------
   2. Reset
---------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--copper); outline-offset: 3px; }

/* ----------------------------------------------------------------------------
   3. Tipografia base
---------------------------------------------------------------------------- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.1; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 5.2vw, 4.1rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); }
p { color: var(--ink-soft); }
strong { color: var(--ink); font-weight: 600; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--copper);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-weight: 500;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--copper);
  display: inline-block;
}
.eyebrow--center::before { display: none; }

/* ----------------------------------------------------------------------------
   4. Layout
---------------------------------------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(64px, 9vw, 130px); }
.section--tight { padding-block: clamp(48px, 6vw, 80px); }
.section-head { max-width: 760px; margin-bottom: clamp(36px, 5vw, 60px); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head .eyebrow { margin-bottom: 18px; }
.section-head h2 + p { margin-top: 18px; font-size: 1.08rem; }
.lead { font-size: 1.18rem; color: var(--ink-soft); }

.dark { background: var(--petroleum); color: var(--white-tech); }
.dark h1, .dark h2, .dark h3, .dark strong { color: var(--white-tech); }
.dark p { color: rgba(247,247,244,0.72); }
.dark .lead { color: rgba(247,247,244,0.82); }
.alt { background: var(--bg-alt); }

.grid { display: grid; gap: clamp(18px, 2.4vw, 28px); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ----------------------------------------------------------------------------
   5. Botões
---------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6em;
  padding: 15px 26px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.97rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-2px); }
.btn-wa { background: var(--copper); color: var(--petroleum); }
.btn-wa:hover { background: var(--copper-soft); }
.btn-ghost { background: transparent; color: inherit; border-color: currentColor; opacity: .92; }
.btn-ghost:hover { opacity: 1; background: rgba(255,255,255,.06); }
.dark .btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-dark { background: var(--petroleum); color: var(--white-tech); }
.btn-dark:hover { background: var(--graphite); }
.btn-lg { padding: 18px 34px; font-size: 1.05rem; }

/* ----------------------------------------------------------------------------
   6. Header
---------------------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(11,31,42,0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-dark);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--white-tech); }
.brand__mark {
  width: 38px; height: 38px; flex: none;
  border: 1px solid var(--copper);
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700; color: var(--copper);
  font-size: 0.95rem; letter-spacing: -0.04em;
}
.brand__name { font-family: var(--font-display); font-weight: 600; font-size: 1.02rem; line-height: 1.15; color: var(--white-tech); white-space: nowrap; }
.brand__name span { display: block; font-family: var(--font-mono); font-weight: 400; font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--concrete); }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  color: rgba(247,247,244,0.78);
  font-size: 0.93rem; font-weight: 500;
  padding: 9px 13px; border-radius: var(--radius);
  transition: color .2s, background .2s;
}
.nav a:hover { color: var(--white-tech); background: rgba(255,255,255,.06); }
.nav a.is-active { color: var(--copper); }

.header-tools { display: flex; align-items: center; gap: 18px; }
.lang {
  display: flex; align-items: center; gap: 2px;
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.05em;
}
.lang button, .lang span {
  background: none; border: none; padding: 5px 7px; border-radius: 3px;
  color: rgba(247,247,244,0.55);
}
.lang .is-active { color: var(--copper); font-weight: 600; }
.lang button[disabled] { color: rgba(247,247,244,0.34); cursor: not-allowed; }
.lang button[disabled]:hover { color: rgba(247,247,244,0.6); }
.lang .sep { color: rgba(247,247,244,0.22); padding: 0; }
.header-cta { display: inline-flex; }

.site-nav-mobile { display: none; }
.burger { display: none; background: none; border: none; width: 44px; height: 44px; position: relative; }
.burger span { position: absolute; left: 10px; right: 10px; height: 2px; background: var(--white-tech); transition: .3s var(--ease); }
.burger span:nth-child(1){ top: 15px; } .burger span:nth-child(2){ top: 21px; } .burger span:nth-child(3){ top: 27px; }
.burger.is-open span:nth-child(1){ top: 21px; transform: rotate(45deg); }
.burger.is-open span:nth-child(2){ opacity: 0; }
.burger.is-open span:nth-child(3){ top: 21px; transform: rotate(-45deg); }

/* ----------------------------------------------------------------------------
   7. Blueprint / fundo técnico
---------------------------------------------------------------------------- */
.blueprint {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(183,138,74,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(183,138,74,0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 80% at 70% 20%, #000 30%, transparent 75%);
}

/* ----------------------------------------------------------------------------
   8. Hero
---------------------------------------------------------------------------- */
.hero { position: relative; overflow: hidden; background: var(--petroleum); color: var(--white-tech); }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(120% 90% at 85% 0%, rgba(31,77,58,0.35), transparent 55%);
}
.hero__inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(30px, 5vw, 70px);
  align-items: center;
  padding-block: clamp(56px, 8vw, 104px);
}
.hero h1 { margin-block: 18px 22px; }
.hero h1 .accent { color: var(--copper); }
.hero__sub { font-size: 1.13rem; color: rgba(247,247,244,0.78); max-width: 56ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--line-dark); }
.hero__trust div { display: flex; flex-direction: column; }
.hero__trust b { font-family: var(--font-display); font-size: 1.45rem; color: var(--white-tech); }
.hero__trust span { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--concrete); margin-top: 2px; }

.hero__portrait { position: relative; justify-self: center; }
.hero__portrait img {
  width: min(360px, 78vw); border-radius: var(--radius-lg);
  border: 1px solid var(--line-dark);
  filter: grayscale(0.15) contrast(1.02);
}
.hero__portrait::before {
  content: ""; position: absolute; inset: -14px -14px auto auto;
  width: 64%; height: 64%; border: 1px solid var(--copper); border-left: 0; border-bottom: 0;
  z-index: -1;
}
.hero__portrait::after {
  content: ""; position: absolute; inset: auto auto -14px -14px;
  width: 50%; height: 50%; border: 1px solid rgba(183,138,74,0.5); border-right: 0; border-top: 0;
  z-index: -1;
}
.hero__chip {
  position: absolute; left: -22px; bottom: 34px;
  background: var(--white-tech); color: var(--petroleum);
  padding: 12px 16px; border-radius: var(--radius);
  box-shadow: 0 18px 40px rgba(0,0,0,0.35);
  display: flex; flex-direction: column;
}
.hero__chip b { font-family: var(--font-display); font-size: 1.5rem; line-height: 1; }
.hero__chip span { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); margin-top: 4px; }

/* ----------------------------------------------------------------------------
   9. Faixa de credenciais / stats
---------------------------------------------------------------------------- */
.stat-strip { border-top: 1px solid var(--line-dark); }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat {
  padding: clamp(26px, 4vw, 46px) clamp(18px, 2.5vw, 34px);
  border-right: 1px solid var(--line-dark);
}
.stat:last-child { border-right: 0; }
.stat b { font-family: var(--font-display); font-size: clamp(2rem, 3.4vw, 2.9rem); font-weight: 700; color: var(--copper); display: block; letter-spacing: -0.03em; }
.stat span { display: block; margin-top: 8px; font-size: 0.95rem; color: rgba(247,247,244,0.74); }

/* ----------------------------------------------------------------------------
   10. Cards genéricos
---------------------------------------------------------------------------- */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: clamp(22px, 2.6vw, 32px);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
  position: relative; height: 100%;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 22px 50px rgba(11,31,42,0.10); border-color: rgba(183,138,74,0.5); }
.card__num { font-family: var(--font-mono); font-size: 0.74rem; color: var(--copper); letter-spacing: 0.1em; }
.card h3 { margin: 14px 0 10px; }
.card p { font-size: 0.97rem; }
.card__icon { width: 46px; height: 46px; border: 1px solid var(--line); border-radius: var(--radius); display: grid; place-items: center; color: var(--copper); margin-bottom: 18px; }
.card__icon svg { width: 24px; height: 24px; }
.dark .card { background: var(--petroleum-2); border-color: var(--line-dark); }
.dark .card:hover { border-color: rgba(183,138,74,0.6); box-shadow: 0 22px 50px rgba(0,0,0,0.3); }
.dark .card__icon { border-color: var(--line-dark); }

/* lista de serviços enxuta (links) */
.linklist { display: grid; grid-template-columns: repeat(2,1fr); gap: 0; }
.linklist a {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 4px; border-bottom: 1px solid var(--line);
  font-family: var(--font-display); font-weight: 500;
  transition: color .2s, padding .25s var(--ease);
}
.linklist a:hover { color: var(--copper); padding-left: 12px; }
.linklist a span.arrow { color: var(--copper); }

/* ----------------------------------------------------------------------------
   11. Bloco problema / solução
---------------------------------------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 70px); align-items: center; }
.panel-quote { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.4rem, 2.6vw, 2rem); line-height: 1.25; letter-spacing: -0.02em; }
.panel-quote .accent { color: var(--copper); }

/* ----------------------------------------------------------------------------
   12. Obras (cards de projeto)
---------------------------------------------------------------------------- */
.work-card {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  border: 1px solid var(--line-dark);
  background: linear-gradient(160deg, var(--petroleum-2), #0a1a23);
  color: var(--white-tech); min-height: 300px;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: clamp(22px, 2.6vw, 30px);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.work-card::before {
  content: ""; position: absolute; inset: 0; z-index: 0; opacity: .5;
  background-image:
    linear-gradient(rgba(183,138,74,0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(183,138,74,0.10) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(120% 100% at 100% 0%, #000, transparent 70%);
}
.work-card:hover { transform: translateY(-5px); border-color: rgba(183,138,74,0.6); }
.work-card > * { position: relative; z-index: 1; }
.work-card__tag { position: absolute; top: 22px; left: 22px; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--copper); }
.work-card__big { position: absolute; top: 40px; right: 24px; text-align: right; }
.work-card__big b { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: rgba(247,247,244,0.92); display: block; line-height: 1; }
.work-card__big span { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--concrete); }
.work-card h3 { font-size: 1.3rem; }
.work-card__meta { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 10px; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em; color: var(--concrete); }
.work-card__meta span { display: inline-flex; align-items: center; gap: 6px; }
.work-card__role { margin-top: 14px; font-size: 0.95rem; color: rgba(247,247,244,0.78); }
.work-card .more { margin-top: 16px; font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.08em; color: var(--copper); display: inline-flex; align-items: center; gap: 8px; }

/* ----------------------------------------------------------------------------
   13. Timeline (experiência)
---------------------------------------------------------------------------- */
.timeline { position: relative; max-width: 920px; }
.timeline::before { content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 1px; background: var(--line); }
.tl-item { position: relative; padding: 0 0 clamp(34px,4vw,52px) clamp(34px, 5vw, 60px); }
.tl-item::before {
  content: ""; position: absolute; left: -4px; top: 6px; width: 9px; height: 9px;
  border-radius: 50%; background: var(--copper); box-shadow: 0 0 0 4px var(--bg);
}
.tl-period { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.08em; color: var(--copper); }
.tl-item h3 { margin: 8px 0 2px; }
.tl-role { font-family: var(--font-display); font-weight: 500; color: var(--ink-soft); font-size: 1rem; }
.tl-place { font-size: 0.86rem; color: var(--concrete-dim); font-family: var(--font-mono); letter-spacing: 0.04em; }
.tl-item ul.bullets { margin-top: 14px; display: grid; gap: 7px; }
.tl-item ul.bullets li { position: relative; padding-left: 20px; font-size: 0.97rem; color: var(--ink-soft); }
.tl-item ul.bullets li::before { content: ""; position: absolute; left: 0; top: 11px; width: 9px; height: 1px; background: var(--copper); }
.tl-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft); border: 1px solid var(--line); padding: 4px 10px; border-radius: 100px; }

/* ----------------------------------------------------------------------------
   14. Setores
---------------------------------------------------------------------------- */
.sector {
  border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(20px,2.4vw,28px);
  background: #fff; transition: border-color .3s, transform .3s var(--ease); height: 100%;
}
.sector:hover { border-color: rgba(183,138,74,0.55); transform: translateY(-3px); }
.sector__n { font-family: var(--font-mono); font-size: 0.72rem; color: var(--copper); }
.sector h3 { font-size: 1.12rem; margin: 10px 0 8px; }
.sector p { font-size: 0.93rem; }

/* ----------------------------------------------------------------------------
   15. CTA band
---------------------------------------------------------------------------- */
.cta-band { position: relative; overflow: hidden; }
.cta-band .container { position: relative; z-index: 2; text-align: center; }
.cta-band h2 { max-width: 18ch; margin-inline: auto; }
.cta-band p { max-width: 60ch; margin: 18px auto 32px; }
.cta-band .hero__cta { justify-content: center; }

/* ----------------------------------------------------------------------------
   16. About / perfil
---------------------------------------------------------------------------- */
.about-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(30px, 5vw, 64px); align-items: start; }
.about-figure { position: relative; }
.about-figure img { width: 100%; border-radius: var(--radius-lg); border: 1px solid var(--line); }
.about-figure figcaption { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; color: var(--concrete-dim); margin-top: 12px; text-transform: uppercase; }
.facts { display: grid; grid-template-columns: repeat(2,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; margin-top: 28px; }
.facts div { background: #fff; padding: 18px 20px; }
.facts dt { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--copper); }
.facts dd { font-weight: 600; margin-top: 4px; font-size: 0.98rem; }

.prose p { margin-bottom: 1.1em; }
.prose p:last-child { margin-bottom: 0; }

/* ----------------------------------------------------------------------------
   17. Currículo / competências
---------------------------------------------------------------------------- */
.cv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px,4vw,48px); }
.cv-block h3 { font-size: 1.15rem; padding-bottom: 12px; margin-bottom: 16px; border-bottom: 1px solid var(--line); }
.cv-list { display: grid; gap: 12px; }
.cv-list li { position: relative; padding-left: 22px; font-size: 0.98rem; color: var(--ink-soft); }
.cv-list li::before { content: "›"; position: absolute; left: 0; top: 0; color: var(--copper); font-weight: 700; }
.skills { display: flex; flex-wrap: wrap; gap: 10px; }
.skill { border: 1px solid var(--line); border-radius: 100px; padding: 8px 16px; font-size: 0.88rem; font-weight: 500; }

/* ----------------------------------------------------------------------------
   18. Contato
---------------------------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(30px,5vw,60px); align-items: start; }
.contact-card { background: var(--petroleum-2); color: var(--white-tech); border-radius: var(--radius-lg); padding: clamp(26px,3vw,40px); border: 1px solid var(--line-dark); }
.contact-line { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line-dark); align-items: flex-start; }
.contact-line:last-child { border-bottom: 0; }
.contact-line svg { width: 22px; height: 22px; color: var(--copper); flex: none; margin-top: 2px; }
.contact-line dt { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--concrete); }
.contact-line dd { color: var(--white-tech); font-weight: 500; margin-top: 3px; }

/* ----------------------------------------------------------------------------
   19. Footer
---------------------------------------------------------------------------- */
.site-footer { background: #081820; color: rgba(247,247,244,0.7); padding-block: clamp(48px,6vw,72px) 28px; border-top: 1px solid var(--line-dark); }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: clamp(28px,4vw,52px); padding-bottom: 40px; border-bottom: 1px solid var(--line-dark); }
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p { color: rgba(247,247,244,0.62); font-size: 0.95rem; max-width: 38ch; }
.footer-col h4 { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--copper); font-weight: 500; margin-bottom: 16px; }
.footer-col a, .footer-col li { display: block; padding: 6px 0; color: rgba(247,247,244,0.7); font-size: 0.95rem; }
.footer-col a:hover { color: var(--copper); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 24px; font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.04em; color: rgba(247,247,244,0.45); }
.footer-bottom a:hover { color: var(--copper); }

/* ----------------------------------------------------------------------------
   20. WhatsApp flutuante
---------------------------------------------------------------------------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 70;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; color: #fff; display: grid; place-items: center;
  box-shadow: 0 14px 34px rgba(0,0,0,0.28);
  transition: transform .25s var(--ease);
}
.wa-float:hover { transform: scale(1.07); }
.wa-float svg { width: 30px; height: 30px; }
.wa-float::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(37,211,102,0.5); animation: pulse 2.4s infinite;
}
@keyframes pulse { to { box-shadow: 0 0 0 18px rgba(37,211,102,0); } }

/* ----------------------------------------------------------------------------
   21. Page hero (páginas internas)
---------------------------------------------------------------------------- */
.page-hero { position: relative; overflow: hidden; background: var(--petroleum); color: var(--white-tech); padding-block: clamp(54px,7vw,96px) clamp(40px,5vw,64px); }
.page-hero__inner { position: relative; z-index: 2; max-width: 820px; }
.page-hero h1 { margin-top: 16px; }
.page-hero p { color: rgba(247,247,244,0.78); font-size: 1.12rem; margin-top: 18px; max-width: 60ch; }
.breadcrumb { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; color: var(--concrete); }
.breadcrumb a:hover { color: var(--copper); }

/* ----------------------------------------------------------------------------
   22. Reveal animação
---------------------------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .wa-float::after { animation: none; }
}

/* ----------------------------------------------------------------------------
   23. Utilitários
---------------------------------------------------------------------------- */
.mt-0{margin-top:0}.center{text-align:center}.mx-auto{margin-inline:auto}
.divider { height: 1px; background: var(--line); border: 0; }
.note { font-family: var(--font-mono); font-size: 0.74rem; color: var(--concrete-dim); letter-spacing: 0.03em; }
.pill-note { display:inline-block; font-family: var(--font-mono); font-size:0.7rem; letter-spacing:0.06em; color: var(--copper); border:1px dashed rgba(183,138,74,0.5); padding:4px 10px; border-radius:100px; }

/* ----------------------------------------------------------------------------
   24. Responsivo
---------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .nav { gap: 0; }
  .nav a { padding: 9px 10px; font-size: 0.88rem; }
}
/* Colapso do menu para hambúrguer (8 itens precisam de largura) */
@media (max-width: 1160px) {
  .burger { display: block; }
  .nav, .header-cta { display: none; }
  .header-tools { gap: 10px; }
}

@media (max-width: 960px) {
  body { font-size: 16px; }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__portrait { order: -1; }
  .split, .about-grid, .contact-grid, .cv-grid { grid-template-columns: 1fr; }
  .stat-grid, .grid-4 { grid-template-columns: repeat(2,1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* Painel do menu mobile */
@media (max-width: 1160px) {
  .site-nav-mobile {
    position: fixed; inset: 76px 0 0 0; z-index: 55;
    background: var(--petroleum); padding: 24px var(--gutter);
    transform: translateX(100%); transition: transform .35s var(--ease);
    display: flex; flex-direction: column; gap: 4px; overflow-y: auto;
  }
  .site-nav-mobile.is-open { transform: none; }
  .site-nav-mobile a { color: rgba(247,247,244,0.85); font-family: var(--font-display); font-weight: 500; font-size: 1.15rem; padding: 14px 4px; border-bottom: 1px solid var(--line-dark); }
  .site-nav-mobile a.is-active { color: var(--copper); }
  .site-nav-mobile .btn { margin-top: 22px; justify-content: center; }
}
@media (max-width: 540px) {
  .lang { display: none; }
}
@media (max-width: 620px) {
  .grid-2, .grid-3, .linklist, .facts, .cv-grid { grid-template-columns: 1fr; }
  .stat-grid, .grid-4 { grid-template-columns: 1fr 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .hero__chip { left: 8px; }
  .work-card__big { position: static; text-align: left; margin-top: 8px; }
}