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

:root {
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --radius: 10px;
  --badge-text: var(--green);
}

:root, [data-theme="dark"] {
  --bg: #09090b;
  --surface: #111113;
  --surface2: #1c1c1f;
  --border: rgba(255,255,255,.07);
  --border2: rgba(255,255,255,.12);
  --text: #fafafa;
  --muted: #a1a1aa;
  --dim: #a1a1aa;
  --green: #4ade80;
  --green-bg: rgba(74,222,128,.08);
  --green-border: rgba(74,222,128,.18);
  --pattern: rgba(255,255,255,.035);
  --before: #f87171;
}

[data-theme="light"] {
  --bg: #f9f9f9;
  --surface: #fff;
  --surface2: #f3f3f4;
  --border: rgba(0,0,0,.07);
  --border2: rgba(0,0,0,.12);
  --text: #09090b;
  --muted: #52525b;
  --dim: #666;
  --green: #16a34a;
  --green-bg: rgba(22,163,74,.07);
  --green-border: rgba(22,163,74,.18);
  --pattern: rgba(0,0,0,.055);
  --before: #ef4444;
  --badge-text: var(--text);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg) radial-gradient(circle, var(--pattern) 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--text);
  font: 1rem/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
  transition: background-color .2s, color .2s;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

/* ── SCREEN READER ONLY ── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── SKIP LINK ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 200;
  padding: 8px 16px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  font: 500 .875rem var(--font);
  text-decoration: none;
  transition: top .1s;
}
.skip-link:focus { top: 1rem; }

/* ── NAV ── */
body > nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background .2s;
}

.nav-logo {
  font: 500 .875rem var(--font);
  color: var(--text);
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  background: none;
  border: none;
  padding: 0;
}
.nav-logo:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 4px;
  border-radius: 4px;
}
.nav-logo .sep { color: var(--dim); margin: 0 7px; }
.nav-logo .crumb { color: var(--muted); font-weight: 400; }
.nav-title-short { display: none; }
.nav-actions { display: flex; align-items: center; gap: 8px; }

/* ── HAMBURGER ── */
.hamburger {
  display: none;
  min-width: 44px; min-height: 44px;
  border-radius: 8px;
  border: 1px solid var(--border2);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: background .2s, color .2s;
}
.hamburger:hover { color: var(--text); background: var(--surface2); }
.hamburger:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

/* ── MOBILE BACKDROP ── */
.mobile-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 60;
  opacity: 0;
  transition: opacity .2s;
}
.mobile-backdrop.open { display: block; }
.mobile-backdrop.visible { opacity: 1; }

/* ── MOBILE DRAWER ── */
.mobile-drawer {
  position: fixed;
  top: 0; left: 0;
  width: 280px; height: 100vh;
  background: var(--bg);
  border-right: 1px solid var(--border);
  z-index: 70;
  transform: translateX(-100%);
  transition: transform .25s ease;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  scrollbar-width: none;
}
.mobile-drawer::-webkit-scrollbar { display: none; }
.mobile-drawer.open { transform: translateX(0); }

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  height: 54px;
  border-bottom: 1px solid var(--border);
  font: 500 .875rem var(--font);
  flex-shrink: 0;
}

.mobile-drawer-close {
  min-width: 44px; min-height: 44px;
  border-radius: 8px;
  border: 1px solid var(--border2);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s, color .15s;
}
.mobile-drawer-close:hover { color: var(--text); background: var(--surface2); }
.mobile-drawer-close:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

.mobile-drawer-nav { flex: 1; padding: 1rem 0; }

.mobile-drawer-footer {
  padding: 1rem 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.theme-btn {
  width: 32px; height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border2);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: background .2s, color .2s;
}
.theme-btn:hover { color: var(--text); background: var(--surface2); }
.theme-btn:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

/* ── LAYOUT ── */
.layout {
  display: block;
  margin-top: 54px;
  min-height: calc(100vh - 54px);
}

/* ── SIDEBAR LEFT ── */
.sidebar-left {
  display: none;
  width: 240px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  position: sticky;
  top: 54px;
  height: calc(100vh - 54px);
  overflow-y: auto;
  padding: 1rem 0;
  scrollbar-width: none;
}
.sidebar-left::-webkit-scrollbar { display: none; }

/* ── SIDENAV ── */
.sidenav-group { margin-bottom: .875rem; }

.sidenav-group-label {
  font: 500 .6875rem var(--font);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--dim);
  padding: 2px 16px 6px;
}

.sidenav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 16px;
  font: .8125rem var(--font);
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: color .15s, background .15s;
  line-height: 1.5;
  border-radius: 0;
}
.sidenav-item:hover { color: var(--text); background: var(--surface2); }
.sidenav-item.active { color: var(--text); font-weight: 500; background: var(--surface2); }
.sidenav-item:focus-visible { outline: 2px solid var(--green); outline-offset: -2px; }

.sidenav-item-wip {
  cursor: default;
  color: var(--dim);
  justify-content: space-between;
  pointer-events: none;
}

.sidenav-wip-badge {
  font: .625rem var(--font);
  color: var(--dim);
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 999px;
  padding: 2px 6px;
  flex-shrink: 0;
}

/* ── SIDEBAR RIGHT (TOC) ── */
.sidebar-right {
  display: none;
}

.toc {
  position: sticky;
  top: 74px;
  padding: 1.5rem 1.25rem;
}
.toc[hidden] { display: none; }

.toc-label {
  font: 500 .6875rem var(--font);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: .625rem;
}

.toc-nav { display: flex; flex-direction: column; }

.toc-link {
  font: .8125rem/1.5 var(--font);
  color: var(--muted);
  text-decoration: none;
  padding: 3px 0 3px 10px;
  border-left: 2px solid var(--border2);
  transition: color .15s, border-color .15s;
  display: block;
  background: none;
  border-top: none;
  border-right: none;
  border-bottom: none;
  cursor: pointer;
  text-align: left;
  width: 100%;
}
.toc-link:hover { color: var(--text); }
.toc-link.active { color: var(--text); border-left-color: var(--text); font-weight: 500; }

/* ── PAGE WRAPPER ── */
.page {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

/* ── VIEWS ── */
.view { display: none; }
.view.active { display: block; }
.view:focus { outline: none; }

/* ── HERO ── */
.hero { padding: 128px 0 80px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font: 500 .75rem var(--font);
  color: var(--badge-text);
  background: var(--green-bg);
  border: 1px solid var(--green-border);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 1.75rem;
}
.badge::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
  animation: blink 2s ease infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: .3; }
}

.hero h1 {
  font: 600 2.25rem/1.2 var(--font);
  letter-spacing: -.035em;
  color: var(--text);
  margin-bottom: .875rem;
}
.hero p {
  font: 1.0625rem/1.75 var(--font);
  color: var(--muted);
  max-width: 500px;
}

/* ── DIVIDER ── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 64px 0;
}

/* ── LABEL ── */
.label {
  font: 500 .75rem var(--font);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 1.25rem;
}

/* ── STATS ── */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 64px;
}

.stat {
  background: var(--surface);
  padding: 2rem 1.5rem 1.75rem;
  transition: background .2s;
}
.stat:hover { background: var(--surface2); }

.stat-num {
  font: 700 2rem var(--font);
  letter-spacing: -.05em;
  color: var(--text);
  line-height: 1;
  margin-bottom: .625rem;
}
.stat-label {
  font: .8125rem/1.5 var(--font);
  color: var(--muted);
  max-width: 120px;
}

/* ── PROJECTS ── */
.projects {
  display: flex;
  flex-direction: column;
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 64px;
}

.project-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
  background: var(--surface);
  padding: 1.75rem;
  cursor: pointer;
  transition: background .2s;
  border-bottom: 1px solid var(--border);
  width: 100%;
  text-align: left;
  font: 1rem var(--font);
  color: var(--text);
  border-left: none;
  border-right: none;
  border-top: none;
}
.project-row:last-child { border-bottom: none; }
.project-row:hover { background: var(--surface2); }
.project-row:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: -2px;
}

.project-main {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  min-width: 0;
}

.project-icon {
  width: 38px; height: 38px;
  border-radius: 8px;
  border: 1px solid var(--border2);
  background: var(--surface2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.project-text h3 {
  font: 500 .9375rem var(--font);
  color: var(--text);
  margin-bottom: 3px;
}
.project-text .tags {
  font: .8125rem var(--font);
  color: var(--dim);
  margin-bottom: 8px;
}
.project-text .desc {
  font: .875rem/1.65 var(--font);
  color: var(--muted);
  max-width: 520px;
}

.project-side {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-shrink: 0;
  padding-top: 2px;
}

.project-kpi { text-align: right; }
.project-kpi-value {
  font: 700 1.5rem var(--font);
  letter-spacing: -.04em;
  color: var(--green);
  line-height: 1;
  margin-bottom: 2px;
}
.project-kpi-label {
  font: .75rem var(--font);
  color: var(--dim);
}

.arrow {
  color: var(--dim);
  font-size: 1rem;
  transition: transform .15s, color .15s;
}
.project-row:hover .arrow { transform: translateX(3px); color: var(--muted); }

.wip-badge {
  font: 500 .7rem var(--font);
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}

.project-row-wip {
  cursor: default;
  opacity: .65;
}

/* ── SKILLS ── */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.skill-group {
  background: var(--surface);
  padding: 1.5rem 1.75rem;
  transition: background .2s;
}
.skill-group-title {
  font: 500 .75rem var(--font);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 10px;
}

.pills { display: flex; flex-wrap: wrap; gap: 5px; }

.pill, .ptag {
  font: .75rem var(--font);
  padding: 3px 9px;
  border: 1px solid var(--border2);
  border-radius: 999px;
  color: var(--muted);
}
.ptag { padding: 3px 10px; }

/* ── PROJECT PAGE ── */
.project-page { padding: 96px 0 80px; }

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: .875rem var(--font);
  color: var(--muted);
  cursor: pointer;
  margin-bottom: 3rem;
  transition: color .15s;
  background: none;
  border: none;
  padding: 0;
}
.back-btn:hover { color: var(--text); }
.back-btn:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 4px;
  border-radius: 4px;
}

.project-page-header { margin-bottom: 2.5rem; }
.project-page-header h1 {
  font: 700 1.75rem/1.2 var(--font);
  letter-spacing: -.035em;
  color: var(--text);
  margin-bottom: 6px;
}
.project-page-header .subtitle {
  font: .875rem var(--font);
  color: var(--muted);
  margin-bottom: 10px;
}
.project-page-header .summary {
  font: .9375rem/1.75 var(--font);
  color: var(--muted);
  max-width: 600px;
}

/* ── METRICS GRID ── */
.project-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 2.5rem;
}

.pm-card {
  background: var(--surface);
  padding: 1.75rem 1.5rem;
  transition: background .2s;
}
.pm-card:hover { background: var(--surface2); }
.pm-value {
  font: 700 1.75rem var(--font);
  letter-spacing: -.05em;
  color: var(--green);
  line-height: 1;
  margin-bottom: 8px;
}
.pm-label {
  font: .8125rem/1.4 var(--font);
  color: var(--muted);
}

/* ── PROJECT SECTIONS ── */
.project-sections {
  display: flex;
  flex-direction: column;
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 2rem;
}

.ps {
  background: var(--surface);
  padding: 1.75rem;
  border-bottom: 1px solid var(--border);
}
.ps:last-child { border-bottom: none; }

.ps-title {
  font: 500 .75rem var(--font);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 10px;
}
.ps p {
  font: .9375rem/1.8 var(--font);
  color: var(--muted);
  max-width: 680px;
}

.project-tags { display: flex; flex-wrap: wrap; gap: 5px; }

/* ── SECTION IMAGES ── */
.ps-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px;
  margin-top: 1rem;
}

.ps-image {
  cursor: zoom-in;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border2);
  transition: border-color .15s;
  background: none;
  padding: 0;
  display: block;
  width: 100%;
}
.ps-image:hover { border-color: var(--muted); }
.ps-image:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}
.ps-image img {
  width: 100%;
  display: block;
  transition: opacity .15s;
}
.ps-image:hover img { opacity: .85; }

.ps-image-wrap { display: flex; flex-direction: column; gap: 6px; }
.ps-image-label {
  font: 600 .75rem var(--font);
  letter-spacing: .04em;
  color: var(--text);
}
.ps-image-caption {
  font: .75rem/1.4 var(--font);
  color: var(--dim);
}
.ps-image-fonte {
  font: .6875rem var(--font);
  color: var(--dim);
  margin-top: 4px;
}
.ps-image-fonte a {
  color: var(--dim);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.ps-image-fonte a:hover { color: var(--muted); }

/* ── LIGHTBOX ── */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,.92);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  padding: 2rem;
  opacity: 0;
  transition: opacity .25s ease;
}
#lightbox.open { display: flex; }
#lightbox.visible { opacity: 1; }

#lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(0,0,0,.6);
  pointer-events: none;
  transform: scale(.95);
  transition: transform .25s ease, opacity .25s ease;
  opacity: 0;
}
#lightbox.visible img { transform: scale(1); opacity: 1; }

.lightbox-close {
  position: absolute;
  top: 1rem; right: 1rem;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.1);
  color: #fff;
  font: 1.25rem var(--font);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: background .15s;
}
.lightbox-close:hover { background: rgba(255,255,255,.2); }
.lightbox-close:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }

/* ── CTA ── */
.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  margin-bottom: 0;
}

.cta-text {
  font: 500 1.0625rem/1.4 var(--font);
  color: var(--text);
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 500 .875rem var(--font);
  color: var(--bg);
  background: var(--text);
  border-radius: 8px;
  padding: 9px 18px;
  white-space: nowrap;
  transition: opacity .15s;
  flex-shrink: 0;
}
.cta-btn:hover { opacity: .85; }
.cta-btn:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

@media (max-width: 480px) {
  .cta { flex-direction: column; align-items: flex-start; }
}

/* ── REVEAL ── */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity .45s, transform .45s; }
.reveal.in { opacity: 1; transform: none; }

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
  .badge::before { animation: none; }
  .reveal { transition: none; opacity: 1; transform: none; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* ── SECTION SCROLL MARGIN ── */
.ps[id] { scroll-margin-top: 74px; }

/* ── RESPONSIVE ── */
@media (min-width: 1024px) {
  .layout { display: grid; grid-template-columns: 240px 1fr 240px; }
  .sidebar-left { display: block; }
  .sidebar-right { display: block; }
  .page { margin: 0 auto; max-width: 760px; }
}

@media (max-width: 680px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .project-metrics-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .project-row { grid-template-columns: 1fr; gap: 1rem; }
  .project-side { padding-top: 0; justify-content: flex-start; width: 100%; }
  .project-kpi { text-align: left; }
  .arrow {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0;
  }
  .arrow::before {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border2);
  }
  .arrow::after {
    content: 'ver detalhes';
    font: .75rem var(--font);
    color: var(--muted);
    white-space: nowrap;
  }
  nav { padding: 0 1.25rem; height: 54px; }
  .nav-logo { flex-direction: row; padding: 0; }
  .nav-logo .sep, .nav-logo .crumb { display: none !important; }
  .nav-title-full { display: none; }
  .nav-title-short { display: inline; }
  .nav-actions { display: none; }
  .hamburger { display: flex; }
  .page { padding: 0 1.25rem; }
}