:root {
    --ink: #0f0d0b;
    --ink-muted: #5a5650;
    --paper: #f5f2ec;
    --paper-mid: #ede9e1;
    --accent: #c8185c;
    --accent-soft: #f7e8ef;
    --rule: #d4cfc6;
    --mono: 'DM Mono', monospace;
    --serif: 'Playfair Display', Georgia, serif;
    --sans: 'DM Sans', system-ui, sans-serif;
  }
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body { background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.6; overflow-x: hidden; }
  body::before { content: ''; position: fixed; inset: 0; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E"); pointer-events: none; z-index: 1000; opacity: .45; }

  #lang-toggle { position: fixed; top: 1.5rem; right: 1.75rem; z-index: 200; display: flex; border: 1.5px solid var(--ink); }
  #lang-toggle button { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; background: transparent; border: none; padding: 6px 14px; cursor: pointer; color: var(--ink-muted); transition: background .15s, color .15s; }
  #lang-toggle button.active { background: var(--ink); color: var(--paper); }

  header { min-height: 100vh; display: grid; grid-template-rows: 1fr auto; padding: 4rem 9rem 3rem; position: relative; border-bottom: 1.5px solid var(--ink); }
  .hero-eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-muted); margin-bottom: 2rem; }
  .hero-name { font-family: var(--serif); font-size: clamp(4rem, 10vw, 9rem); font-weight: 900; line-height: .92; letter-spacing: -.02em; margin-bottom: 2rem; }
  .hero-name em { font-style: italic; color: var(--accent); }
  .hero-roles { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; margin-bottom: 3rem; }
  .hero-roles span { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; color: var(--ink-muted); border: 1px solid var(--rule); padding: 4px 12px; }
  .hero-tagline { font-family: var(--serif); font-style: italic; font-size: clamp(1.1rem, 2.5vw, 1.5rem); color: var(--ink-muted); max-width: 620px; line-height: 1.5; border-left: 3px solid var(--accent); padding-left: 1.25rem; margin-bottom: 3rem; }
  .hero-scroll { font-family: var(--mono); font-size: 11px; letter-spacing: .15em; color: var(--ink-muted); display: flex; align-items: center; gap: .75rem; }
  .hero-scroll::before { content: ''; display: block; width: 40px; height: 1px; background: var(--ink-muted); }
  .hero-big-number { position: absolute; right: 3rem; bottom: 5rem; font-family: var(--serif); font-size: clamp(8rem, 18vw, 18rem); font-weight: 900; line-height: 1; color: transparent; -webkit-text-stroke: 1.5px var(--rule); user-select: none; pointer-events: none; }

  section { border-bottom: 1.5px solid var(--ink); }
  .section-inner { max-width: 1100px; margin: 0 auto; padding: 5rem 4rem; }
  .section-label { font-family: var(--mono); font-size: 10px; letter-spacing: .25em; text-transform: uppercase; color: var(--ink-muted); margin-bottom: 3rem; display: flex; align-items: center; gap: 1rem; }
  .section-label::after { content: ''; flex: 1; height: 1px; background: var(--rule); }

  .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
  .about-headline { font-family: var(--serif); font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; line-height: 1.1; letter-spacing: -.02em; margin-bottom: 2rem; }
  .about-headline em { font-style: italic; color: var(--accent); }
  .about-body { font-size: 15px; line-height: 1.8; color: var(--ink-muted); }
  .about-body p + p { margin-top: 1rem; }
  .about-meta { margin-top: 2rem; display: flex; flex-direction: column; gap: .6rem; }
  .about-meta-item { display: flex; gap: 1rem; font-size: 13px; align-items: baseline; }
  .about-meta-item dt { font-family: var(--mono); font-size: 10px; letter-spacing: .1em; color: var(--ink-muted); min-width: 80px; text-transform: uppercase; flex-shrink: 0; }
  .about-meta-item dd { color: var(--ink); }
  .about-meta-item a { color: var(--accent); text-decoration: none; }
  .about-meta-item a:hover { text-decoration: underline; }

  .exp-list { display: flex; flex-direction: column; }
  .exp-item { display: grid; grid-template-columns: 200px 1fr; gap: 3rem; padding: 2.5rem 0; border-bottom: 1px solid var(--rule); }
  .exp-item:last-child { border-bottom: none; }
  .exp-period { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--ink-muted); line-height: 1.6; padding-top: .2rem; }
  .exp-period strong { display: block; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: .4rem; }
  .exp-title { font-family: var(--serif); font-size: 1.4rem; font-weight: 700; line-height: 1.2; margin-bottom: .25rem; }
  .exp-company { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; color: var(--ink-muted); margin-bottom: .75rem; }
  .exp-desc { font-size: 14px; color: var(--ink-muted); line-height: 1.75; }

  .skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0; border: 1.5px solid var(--ink); }
  .skill-card { padding: 2rem; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); transition: background .2s; }
  .skill-card:hover { background: var(--paper-mid); }
  .skill-number { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: .1em; margin-bottom: 1rem; }
  .skill-name { font-family: var(--serif); font-size: 1.2rem; font-weight: 700; margin-bottom: .65rem; line-height: 1.2; }
  .skill-tags { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: 1rem; }
  .skill-tag { font-family: var(--mono); font-size: 10px; letter-spacing: .06em; background: var(--paper-mid); border: 1px solid var(--rule); padding: 2px 8px; color: var(--ink-muted); }

  .project-list { display: flex; flex-direction: column; }
  .project-item { display: grid; grid-template-columns: 70px 1fr auto; align-items: start; gap: 2rem; padding: 2.5rem 0; border-bottom: 1px solid var(--rule); }
  .project-item:last-child { border-bottom: none; }
  .project-num { font-family: var(--serif); font-size: 3rem; font-weight: 900; color: var(--rule); line-height: 1; text-align: right; transition: color .2s; }
  .project-item:hover .project-num { color: var(--accent); }
  .project-name { font-family: var(--serif); font-size: 1.4rem; font-weight: 700; margin-bottom: .35rem; line-height: 1.2; }
  .project-desc { font-size: 14px; color: var(--ink-muted); line-height: 1.7; max-width: 520px; }
  .project-badge { font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; border: 1px solid var(--rule); padding: 4px 10px; white-space: nowrap; color: var(--ink-muted); align-self: start; margin-top: .25rem; }
  .project-badge.active { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

  .edu-item { display: grid; grid-template-columns: 200px 1fr; gap: 3rem; padding: 2.5rem 0; border-bottom: 1px solid var(--rule); }
  .edu-item:last-child { border-bottom: none; }
  .edu-year { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--ink-muted); padding-top: .2rem; }
  .edu-degree { font-family: var(--serif); font-size: 1.35rem; font-weight: 700; line-height: 1.2; margin-bottom: .25rem; }
  .edu-school { font-family: var(--mono); font-size: 12px; letter-spacing: .05em; color: var(--ink-muted); }

  .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
  .contact-headline { font-family: var(--serif); font-size: clamp(2rem, 5vw, 4rem); font-weight: 900; line-height: 1; letter-spacing: -.02em; }
  .contact-headline em { font-style: italic; color: var(--accent); }
  .contact-note { font-size: 14px; color: var(--ink-muted); line-height: 1.8; margin-top: 1.5rem; font-style: italic; }
  .contact-links { display: flex; flex-direction: column; gap: 1px; }
  .contact-link { display: flex; align-items: center; justify-content: space-between; padding: 1.1rem 1.4rem; background: var(--paper-mid); text-decoration: none; color: var(--ink); border: 1px solid transparent; transition: border-color .15s, background .15s; gap: 1rem; }
  .contact-link:hover { background: var(--paper); border-color: var(--ink); }
  .contact-link-label { font-family: var(--mono); font-size: 10px; letter-spacing: .15em; text-transform: uppercase; color: var(--ink-muted); }
  .contact-link-value { font-size: 13px; font-weight: 500; }
  .contact-link-arrow { font-size: 18px; color: var(--ink-muted); transition: transform .15s; }
  .contact-link:hover .contact-link-arrow { transform: translate(3px, -3px); }

  footer { padding: 2rem 4rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
  .footer-name { font-family: var(--serif); font-size: 1.2rem; font-weight: 700; }
  .footer-copy { font-family: var(--mono); font-size: 11px; color: var(--ink-muted); letter-spacing: .05em; }

	.lang-pt { display: none; }
	.lang-pt-inline { display: none; }

	[data-lang="pt"] .lang-en { display: none !important; }
	[data-lang="pt"] .lang-pt { display: revert !important; }
	[data-lang="pt"] .lang-en-inline { display: none !important; }
	[data-lang="pt"] .lang-pt-inline { display: revert !important; }

  .fade-up { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
  .fade-up.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 768px) {
  #side-nav { display: none; }
  #action-bar {
    top: auto;
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    transform: none;
    justify-content: center;
  }
  #action-bar a,
  #action-bar button {
    flex: 1;
    text-align: center;
  }
  footer {
    padding-bottom: 5rem; /* espaço para o action-bar */
  }
}
/* ── Simplified mode ── */
body.simplified::before { display: none; }
body.simplified .hero-big-number { display: none !important; }
body.simplified .fade-up { opacity: 1 !important; transform: none !important; transition: none !important; }
body.simplified header { min-height: unset; padding-top: 3rem; padding-bottom: 2rem; }
body.simplified .section-inner { padding-top: 3rem; padding-bottom: 3rem; }
body.simplified .hero-name { font-size: clamp(3rem, 6vw, 5rem); }

/* ── Side index ── */
#side-nav {
  position: fixed;
  left: 1.75rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
#side-nav a {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: .5rem;
  transition: color .15s;
}
#side-nav a::before {
  content: '';
  display: block;
  width: 16px;
  height: 1px;
  background: var(--rule);
  transition: width .15s, background .15s;
}
#side-nav a:hover,
#side-nav a.active {
  color: var(--accent);
}
#side-nav a:hover::before,
#side-nav a.active::before {
  width: 28px;
  background: var(--accent);
}

/* ── Top action bar ── */
#action-bar {
  position: fixed;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  gap: .5rem;
}
#action-bar a,
#action-bar button {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  background: var(--paper);
  color: var(--ink);
  border: 1.5px solid var(--ink);
  padding: 6px 14px;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, color .15s;
  white-space: nowrap;
}
#action-bar a:hover,
#action-bar button:hover {
  background: var(--ink);
  color: var(--paper);
}
#action-bar button.simplified-on {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

@media (max-width: 768px) {
  #side-nav { display: none; }
  #action-bar { top: auto; bottom: 1rem; left: 50%; transform: translateX(-50%); }
}