:root {
  --bg:      #0b0e14;
  --bg2:     #121826;
  --bg3:     #1a2030;
  --border:  #262f42;
  --text:    #e8edf5;
  --text2:   #96a1b5;
  --accent:  #58a6ff;
  --accent2: #2f7de0;
  --green:   #3fb950;
  --purple:  #a78bfa;
  --teal:    #2dd4bf;

  /* area colors (identidade preservada) */
  --fisica: #818cf8;
  --mec:    #fb923c;
  --prog:   #22d3ee;

  /* spacing scale (compacto) */
  --sp-1: .35rem;
  --sp-2: .6rem;
  --sp-3: 1rem;
  --sp-4: 1.5rem;
  --sp-5: 2.25rem;
  --r:    10px;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 15px;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
::selection { background: rgba(167,139,250,.3); color: #fff; }

/* ── SUBTLE BACKGROUND ── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(34rem 34rem at 15% 6%,  rgba(129,140,248,.08), transparent 60%),
    radial-gradient(32rem 32rem at 85% 14%, rgba(34,211,238,.07), transparent 60%),
    radial-gradient(36rem 36rem at 60% 96%, rgba(251,146,60,.06), transparent 60%);
}

/* mouse spotlight (discreto) */
#cursor-glow {
  position: fixed; z-index: -1; pointer-events: none;
  width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(88,166,255,.06), transparent 65%);
  transform: translate(-50%, -50%);
  left: 50%; top: 30%; opacity: 0; transition: opacity .4s;
}

/* ── SCROLL PROGRESS ── */
#scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0;
  z-index: 999; background: var(--accent);
}

/* ── COLUNA LATERAL DE PROJETOS ── */
.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

/* sem JS a coluna nao tem conteudo: fica fora do caminho */
.sidebar, .sb-toggle, .sb-backdrop { display: none; }

html.js .sidebar {
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; bottom: 0; width: 272px; z-index: 210;
  background: var(--bg2); border-right: 1px solid var(--border);
}
.sb-head { padding: .85rem .9rem .75rem; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.sb-title {
  display: flex; align-items: center; gap: .45rem;
  font-size: .84rem; font-weight: 700; margin-bottom: .7rem;
}
.sb-count {
  margin-left: auto; font-size: .66rem; font-weight: 600; color: var(--text2);
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 20px; padding: .05rem .45rem; white-space: nowrap;
}
.sb-search { position: relative; margin-bottom: .5rem; }
.sb-search svg {
  position: absolute; left: .55rem; top: 50%; transform: translateY(-50%);
  color: var(--text2); pointer-events: none;
}
.sb-search input {
  width: 100%; font: inherit; font-size: .79rem; color: var(--text);
  background: var(--bg); border: 1px solid var(--border); border-radius: 7px;
  padding: .42rem .55rem .42rem 1.9rem;
}
.sb-search input::placeholder { color: var(--text2); }
.sb-search input:focus { outline: none; border-color: var(--accent); }

.sb-sort { display: flex; align-items: center; gap: .45rem; margin-bottom: .55rem; }
.sb-sort label { font-size: .69rem; color: var(--text2); flex-shrink: 0; }
.sb-sort select {
  flex: 1; min-width: 0; font: inherit; font-size: .75rem; color: var(--text); cursor: pointer;
  background: var(--bg); border: 1px solid var(--border); border-radius: 7px; padding: .3rem .35rem;
}
.sb-sort select:focus { outline: none; border-color: var(--accent); }

.sb-cats { display: flex; flex-wrap: wrap; gap: .28rem; }
.sb-chip {
  font: inherit; font-size: .68rem; font-weight: 600; color: var(--text2); cursor: pointer;
  background: var(--bg); border: 1px solid var(--border); border-radius: 20px; padding: .14rem .5rem;
  transition: color .15s, border-color .15s, background .15s;
}
.sb-chip:hover { color: var(--text); border-color: var(--accent); }
.sb-chip.active { color: var(--prog); border-color: rgba(34,211,238,.45); background: rgba(34,211,238,.1); }

.sb-list { flex: 1; overflow-y: auto; padding: .45rem .5rem 1rem; }
.sb-item {
  display: flex; align-items: flex-start; gap: .5rem;
  padding: .45rem .5rem; border-radius: 8px; border: 1px solid transparent;
  color: inherit; text-decoration: none;
  transition: background .14s, border-color .14s;
}
.sb-item:hover { background: var(--bg3); border-color: var(--border); text-decoration: none; }
.sb-item:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.sb-icon { font-size: 1rem; line-height: 1.35; flex-shrink: 0; }
.sb-body { min-width: 0; flex: 1; }
.sb-name {
  display: block; font-size: .785rem; font-weight: 600; color: var(--text); line-height: 1.3;
}
.sb-name mark { background: rgba(88,166,255,.28); color: var(--text); border-radius: 3px; padding: 0 .1em; }
.sb-meta {
  display: flex; align-items: center; gap: .3rem; flex-wrap: nowrap; overflow: hidden;
  margin-top: .2rem; font-size: .655rem; color: var(--text2); white-space: nowrap;
}
.sb-tag { border: 1px solid var(--border); border-radius: 5px; padding: 0 .3rem; background: var(--bg); }
.sb-go { color: var(--prog); font-weight: 700; font-size: .63rem; white-space: nowrap; }
.sb-item:not(:hover) .sb-go { opacity: .7; }
.sb-right {
  display: flex; flex-direction: column; align-items: flex-end; gap: .18rem;
  flex-shrink: 0; margin-top: .1rem;
}
.sb-when { font-size: .63rem; color: var(--text2); white-space: nowrap; }
.sb-when.recent { color: var(--green); font-weight: 600; }
.sb-empty { padding: 1.6rem .6rem; text-align: center; font-size: .76rem; color: var(--text2); line-height: 1.8; }
.sb-clear {
  font: inherit; font-size: .74rem; font-weight: 600; color: var(--accent); cursor: pointer;
  background: transparent; border: 1px solid var(--border); border-radius: 6px; padding: .2rem .6rem;
}
.sb-clear:hover { border-color: var(--accent); }
.sb-foot {
  flex-shrink: 0; padding: .55rem .9rem; border-top: 1px solid var(--border);
  font-size: .655rem; color: var(--text2); line-height: 1.45;
}

/* botao da gaveta (telas estreitas) */
.sb-toggle {
  align-items: center; gap: .4rem; font: inherit; font-size: .78rem; font-weight: 600;
  color: var(--text2); cursor: pointer;
  background: var(--bg2); border: 1px solid var(--border); border-radius: 7px; padding: .3rem .6rem;
}
.sb-toggle:hover { color: var(--text); border-color: var(--accent); }

/* a coluna e fixa: abre espaco para ela */
@media (min-width: 1081px) {
  html.js body { padding-left: 272px; }
  html.js #scroll-progress { left: 272px; }
}

/* abaixo de 1080px a coluna vira gaveta */
@media (max-width: 1080px) {
  html.js .sidebar {
    width: min(300px, 86vw);
    transform: translateX(-100%);
    transition: transform .24s ease;
  }
  html.js .sidebar.open { transform: none; box-shadow: 0 0 40px rgba(0,0,0,.55); }
  html.js .sb-toggle { display: inline-flex; }
  html.js .sb-backdrop.open {
    display: block; position: fixed; inset: 0; z-index: 205; background: rgba(0,0,0,.5);
  }
}

@media (max-width: 560px) {
  .sb-toggle-txt { display: none; }
  .sb-toggle { padding: .3rem .45rem; }
}

/* ── NAV ── */
nav {
  position: sticky; top: 0; z-index: 200;
  background: rgba(11,14,20,.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.5rem; height: 52px;
}
.nav-logo { font-weight: 700; font-size: .92rem; color: var(--text); letter-spacing: -.2px; }
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 1.1rem; align-items: center; }
.nav-links a {
  color: var(--text2); font-size: .82rem;
  transition: color .15s; position: relative;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a.pill {
  background: var(--accent2); color: #fff;
  padding: .26rem .8rem; border-radius: 7px; font-size: .78rem;
  transition: background .18s;
}
.nav-links a.pill:hover { background: var(--accent); }

.nav-search-btn {
  background: var(--bg3); border: 1px solid var(--border); border-radius: 7px;
  color: var(--text2); cursor: pointer;
  display: flex; align-items: center; gap: .4rem;
  font-size: .78rem; padding: .28rem .65rem;
  transition: border-color .15s, color .15s;
}
.nav-search-btn:hover { border-color: var(--accent); color: var(--text); }
.nav-search-btn kbd {
  font-size: .66rem; color: var(--text2);
  border: 1px solid var(--border); border-radius: 4px; padding: .04rem .28rem; line-height: 1.4;
}

/* ── SEARCH OVERLAY ── */
.search-overlay {
  display: none; position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,.68); backdrop-filter: blur(6px);
  align-items: flex-start; justify-content: center; padding-top: 5.5rem;
}
.search-overlay.open { display: flex; }
.search-box {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 12px;
  width: 100%; max-width: 600px; box-shadow: 0 18px 50px rgba(0,0,0,.55); overflow: hidden;
}
.search-input-wrap {
  display: flex; align-items: center; gap: .7rem;
  padding: .8rem 1rem; border-bottom: 1px solid var(--border);
}
.search-input-wrap svg { color: var(--text2); flex-shrink: 0; }
#search-input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text); font-size: .95rem; caret-color: var(--accent);
}
#search-input::placeholder { color: var(--text2); }
.search-close {
  background: var(--bg3); border: 1px solid var(--border); border-radius: 6px;
  color: var(--text2); cursor: pointer; font-size: .72rem; padding: .14rem .42rem;
}
.search-close:hover { color: var(--text); }
#search-results { max-height: 380px; overflow-y: auto; padding: .5rem; }
#search-results:empty::after {
  content: 'Nenhum resultado encontrado.'; display: block; text-align: center;
  padding: 2rem; color: var(--text2); font-size: .88rem;
}
.search-result-item {
  display: flex; align-items: center; gap: .8rem;
  padding: .6rem .8rem; border-radius: 7px; cursor: pointer;
  transition: background .15s; text-decoration: none; color: var(--text);
}
.search-result-item:hover { background: var(--bg3); text-decoration: none; }
.sr-icon { font-size: 1.2rem; flex-shrink: 0; }
.sr-name { font-size: .88rem; font-weight: 600; }
.sr-desc { font-size: .76rem; color: var(--text2); margin-top: .1rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 380px; }
.sr-lang { font-size: .7rem; color: var(--text2); margin-top: .12rem; }
.search-footer {
  padding: .55rem .9rem; border-top: 1px solid var(--border);
  font-size: .7rem; color: var(--text2); display: flex; gap: .9rem;
}
.search-footer kbd { border: 1px solid var(--border); border-radius: 4px; padding: .04rem .28rem; font-size: .66rem; color: var(--text2); }
#search-count { margin-left: auto; color: var(--text2); }

/* ── HERO ── */
.hero {
  max-width: 760px; margin: 0 auto;
  padding: 3rem 1.5rem 2.25rem; text-align: center;
}
.hero-photo {
  width: 78px; height: 78px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent2), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.9rem; font-weight: 700; color: #fff;
  margin: 0 auto var(--sp-3);
  box-shadow: 0 0 0 3px var(--bg2), 0 0 0 4px var(--border);
}
.hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.15rem);
  font-weight: 800; letter-spacing: -.5px; margin-bottom: var(--sp-1);
  text-wrap: balance;
}
.hero h1 span { color: var(--accent); }
.hero-sub {
  font-size: .95rem; color: var(--text2);
  max-width: 540px; margin: 0 auto var(--sp-3); line-height: 1.6;
}
.hero-sub b { color: var(--text); font-weight: 600; }
.pill-row {
  display: flex; flex-wrap: wrap; gap: .45rem; justify-content: center; margin-bottom: var(--sp-3);
}
.pill-tag {
  display: inline-flex; align-items: center;
  padding: .24rem .7rem; border-radius: 7px; font-size: .74rem; font-weight: 600;
  text-decoration: none; cursor: pointer;
  transition: transform .15s, box-shadow .15s, filter .15s;
}
.pill-tag:hover {
  transform: translateY(-1px);
  text-decoration: none;
  filter: brightness(1.18);
  box-shadow: 0 3px 12px rgba(0,0,0,.35);
}
.pill-tag:active { transform: translateY(0); }
.pill-tag:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.tag-fisica { background: rgba(129,140,248,.13); color: var(--fisica); border: 1px solid rgba(129,140,248,.28); }
.tag-mec    { background: rgba(251,146, 60,.13); color: var(--mec);   border: 1px solid rgba(251,146, 60,.28); }
.tag-prog   { background: rgba( 34,211,238,.13); color: var(--prog);  border: 1px solid rgba( 34,211,238,.28); }
.hero-links { display: flex; flex-wrap: wrap; gap: .55rem; justify-content: center; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .48rem 1.05rem; border-radius: 7px; font-size: .84rem;
  font-weight: 600; cursor: pointer; transition: background .16s, border-color .16s, transform .16s;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); }
.btn-accent  { background: var(--accent2); color: #fff; border: 1px solid transparent; }
.btn-accent:hover  { background: var(--accent); text-decoration: none; }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { background: var(--bg3); text-decoration: none; border-color: var(--accent); }
.btn-linkedin { background: transparent; color: #4aa3ff; border: 1px solid rgba(10,102,194,.45); }
.btn-linkedin:hover { background: rgba(10,102,194,.12); text-decoration: none; }
.btn-lattes  { background: transparent; color: var(--teal); border: 1px solid rgba(45,212,191,.4); }
.btn-lattes:hover  { background: rgba(45,212,191,.1); text-decoration: none; }

/* ── STATS ── */
.stats {
  max-width: 700px; margin: 0 auto var(--sp-5); padding: 0 1.5rem;
  display: grid; grid-template-columns: repeat(4,1fr); gap: .7rem;
}
.stat-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r); padding: .85rem .6rem; text-align: center;
  transition: border-color .18s;
}
.stat-card:hover { border-color: var(--accent); }
.stat-num   { font-size: 1.5rem; font-weight: 800; line-height: 1; }
.stat-label { font-size: .7rem; color: var(--text2); margin-top: .3rem; }

/* ── PROJETOS RECENTES (faixa de destaque) ── */
.recent-band {
  /* faixa de largura total: anula os limites de `section` */
  max-width: none; padding: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(34,211,238,.06), rgba(34,211,238,0) 72%),
    var(--bg2);
  margin-bottom: var(--sp-5);
}
.recent-inner { max-width: 1000px; margin: 0 auto; padding: 1.6rem 1.5rem 1.9rem; }
.recent-head-row {
  display: flex; align-items: baseline; flex-wrap: wrap; gap: .3rem 1rem; margin-bottom: .5rem;
}
.recent-band h2 { font-size: 1.08rem; font-weight: 800; letter-spacing: -.3px; }
.recent-sub { font-size: .78rem; color: var(--text2); }
.recent-all { margin-left: auto; font-size: .79rem; font-weight: 600; white-space: nowrap; }

.recent-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: .8rem; }
.recent-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--r);
  padding: .95rem 1rem;
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
  transition: border-color .18s, transform .18s;
  --mx: 50%; --my: 50%;
}
.recent-card::after {
  content: ''; position: absolute; inset: 0; opacity: 0; transition: opacity .25s;
  background: radial-gradient(180px circle at var(--mx) var(--my), rgba(255,255,255,.04), transparent 60%);
  pointer-events: none;
}
.recent-card:hover::after { opacity: 1; }
.recent-card:hover { border-color: var(--prog); transform: translateY(-2px); }
.recent-card.is-top {
  border-color: rgba(34,211,238,.45);
  background: linear-gradient(145deg, rgba(34,211,238,.08), transparent 58%), var(--bg);
}
.recent-head { display: flex; align-items: center; gap: .5rem; margin-bottom: .5rem; }
.recent-rank {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .66rem; font-weight: 700; color: var(--text2);
  border: 1px solid var(--border); border-radius: 5px; padding: .04rem .34rem;
}
.recent-card.is-top .recent-rank {
  color: var(--prog); border-color: rgba(34,211,238,.4); background: rgba(34,211,238,.1);
}
.recent-icon { font-size: 1.2rem; }
.recent-head .commit-badge { margin-left: auto; }
.recent-card h3 { font-size: .87rem; font-weight: 700; line-height: 1.3; margin-bottom: .3rem; }
.recent-card p  { font-size: .78rem; color: var(--text2); line-height: 1.45; flex: 1; }
.recent-foot {
  margin-top: .8rem; padding-top: .55rem; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: .5rem .8rem; flex-wrap: wrap;
}
.recent-links { display: flex; align-items: center; gap: .7rem; flex-wrap: wrap; }

/* ── SECTIONS ── */
section { max-width: 1000px; margin: 0 auto; padding: 0 1.5rem 3.25rem; }
.sec-header {
  display: flex; align-items: center; gap: .65rem;
  margin-bottom: var(--sp-4); padding-bottom: .6rem;
  border-bottom: 1px solid var(--border);
}
.sec-icon {
  width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center; font-size: 1rem;
}
.sec-header h2 { font-size: 1.12rem; font-weight: 700; letter-spacing: -.2px; }
.sec-count {
  margin-left: auto; background: var(--bg3); border: 1px solid var(--border);
  border-radius: 20px; padding: .12rem .6rem; font-size: .72rem; color: var(--text2);
}
.area-fisica { --area: var(--fisica); }
.area-mec    { --area: var(--mec);    }
.area-prog   { --area: var(--prog);   }
.area-header h2 { color: var(--area, var(--accent)); }

/* ── ABOUT ── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.about-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r); padding: 1.1rem;
}
.about-card h3 {
  font-size: .9rem; font-weight: 700; margin-bottom: .6rem;
  display: flex; align-items: center; gap: .45rem;
}
.about-card p, .about-card li { font-size: .84rem; color: var(--text2); line-height: 1.6; }
.about-card ul { padding-left: 1.05rem; }
.about-card li { margin-bottom: .18rem; }
.about-card .highlight { color: var(--text); font-weight: 600; }

/* ── TIMELINE (temática, sem borda-faixa) ── */
.timeline { display: grid; gap: .7rem; }
.tl-item { --theme: var(--accent); }
.tl-prog   { --theme: var(--prog);   }
.tl-mec    { --theme: var(--mec);    }
.tl-mat    { --theme: var(--purple); }
.tl-fisica { --theme: var(--fisica); }
.tl-dot { display: none; }
.tl-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r); padding: 1rem 1.1rem;
  transition: border-color .18s, background .18s;
}
.tl-item:hover .tl-card { border-color: color-mix(in srgb, var(--theme) 45%, var(--border)); }
.tl-head { display: flex; align-items: flex-start; gap: .6rem; margin-bottom: .35rem; }
.tl-emoji {
  font-size: 1.15rem; flex-shrink: 0; line-height: 1.5;
  width: 30px; height: 30px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--theme) 14%, transparent);
}
.tl-date  { font-size: .7rem; color: var(--theme); margin-bottom: .08rem; font-weight: 700; letter-spacing: .2px; }
.tl-title { font-size: .92rem; font-weight: 700; }
.tl-sub   { font-size: .8rem; color: var(--text2); }
.tl-topics { display: flex; flex-wrap: wrap; gap: .3rem; margin-top: .6rem; }
.tl-topic {
  font-size: .68rem; font-weight: 600; padding: .1rem .5rem; border-radius: 20px;
  color: var(--theme);
  background: color-mix(in srgb, var(--theme) 11%, transparent);
  border: 1px solid color-mix(in srgb, var(--theme) 28%, transparent);
}
.tl-badge {
  display: inline-block; margin-top: .55rem;
  font-size: .68rem; font-weight: 700; padding: .12rem .55rem; border-radius: 6px;
  color: var(--theme);
  background: color-mix(in srgb, var(--theme) 11%, transparent);
  border: 1px solid color-mix(in srgb, var(--theme) 26%, transparent);
}

/* ── EXP / PROJ CARDS ── */
.exp-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: .8rem; }
.exp-card, .proj-card { --mx: 50%; --my: 50%; }
.exp-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r); padding: 1rem;
  transition: border-color .18s, transform .18s;
  position: relative; overflow: hidden;
}
.exp-card::after, .proj-card::after {
  content: ''; position: absolute; inset: 0; opacity: 0; transition: opacity .25s;
  background: radial-gradient(180px circle at var(--mx) var(--my), rgba(255,255,255,.04), transparent 60%);
  pointer-events: none;
}
.exp-card:hover::after, .proj-card:hover::after { opacity: 1; }
.exp-card:hover { border-color: var(--area, var(--accent)); transform: translateY(-2px); }
.exp-card-top { display: flex; align-items: flex-start; gap: .6rem; margin-bottom: .5rem; }
.exp-icon { font-size: 1.35rem; flex-shrink: 0; }
.exp-card h3 { font-size: .9rem; font-weight: 700; line-height: 1.3; }
.exp-period { font-size: .72rem; color: var(--text2); margin-top: .08rem; }
.exp-card p { font-size: .81rem; color: var(--text2); line-height: 1.5; }
.exp-tags { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .6rem; }
.exp-tag {
  font-size: .69rem; padding: .1rem .45rem; border-radius: 5px;
  background: var(--bg3); border: 1px solid var(--border); color: var(--text2);
}

/* ── PATENT ── */
.patent-card {
  background: rgba(251,146,60,.07);
  border: 1px solid rgba(251,146,60,.35); border-radius: var(--r); padding: 1.15rem;
  display: flex; align-items: flex-start; gap: .9rem; margin-bottom: var(--sp-3);
}
.patent-badge {
  background: rgba(251,146,60,.15); color: var(--mec);
  border: 1px solid rgba(251,146,60,.4); border-radius: 8px;
  padding: .4rem .65rem; font-size: 1.4rem; flex-shrink: 0;
}
.patent-card h3 { font-size: .95rem; font-weight: 700; margin-bottom: .25rem; }
.patent-card p  { font-size: .82rem; color: var(--text2); line-height: 1.55; }
.patent-num {
  display: inline-block; margin-top: .45rem; font-size: .72rem; font-family: monospace;
  background: var(--bg3); border: 1px solid var(--border);
  padding: .12rem .5rem; border-radius: 5px; color: var(--mec);
}

/* ── PROJECT CARDS ── */
.proj-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: .8rem; }
.proj-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r); padding: 1rem;
  display: flex; flex-direction: column;
  transition: border-color .18s, transform .18s;
  position: relative; overflow: hidden;
}
.proj-card:hover { border-color: var(--prog); transform: translateY(-2px); }
.area-mec    .proj-card:hover { border-color: var(--mec); }
.area-fisica .proj-card:hover { border-color: var(--fisica); }
.proj-card.hidden { display: none; }
.proj-card.featured { border-color: rgba(251,146,60,.4); background: rgba(251,146,60,.05); }
.proj-card.featured:hover { border-color: var(--mec); }
.new-badge {
  font-size: .62rem; font-weight: 700; letter-spacing: .4px; text-transform: uppercase;
  color: var(--mec); padding: .1rem .45rem; border-radius: 20px;
  background: rgba(251,146,60,.14); border: 1px solid rgba(251,146,60,.35);
}
.proj-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: .5rem; }
.proj-icon { font-size: 1.25rem; }
.lang-chip { font-size: .7rem; color: var(--text2); display: flex; align-items: center; gap: .3rem; }
.lang-dot  { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.proj-card h3 { font-size: .88rem; font-weight: 700; margin-bottom: .35rem; }
.proj-card p  { font-size: .8rem; color: var(--text2); flex: 1; line-height: 1.45; }
.proj-footer {
  margin-top: .75rem; padding-top: .6rem; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: .4rem;
}
.proj-links { display: flex; align-items: center; gap: .7rem; flex-wrap: wrap; min-width: 0; }
.proj-link {
  font-size: .76rem; color: var(--accent); font-weight: 600;
  display: inline-flex; align-items: center; gap: .25rem; transition: gap .15s;
}
.proj-link:hover { gap: .42rem; text-decoration: none; }
.commit-badge {
  font-size: .68rem; color: var(--text2); background: var(--bg3);
  border: 1px solid var(--border); border-radius: 5px;
  padding: .08rem .4rem; white-space: nowrap; flex-shrink: 0;
}
.commit-badge.recent  { color: var(--green); border-color: rgba(63,185,80,.32); background: rgba(63,185,80,.07); }
.commit-badge.loading { opacity: .35; }
.no-results { display: none; grid-column: 1/-1; text-align: center; padding: 2rem; color: var(--text2); font-size: .86rem; }

/* ── LANG COLORS ── */
.lc-js      { background: #f1e05a; }
.lc-html    { background: #e34c26; }
.lc-css     { background: #563d7c; }
.lc-dart    { background: #00b4ab; }
.lc-flutter { background: #54c5f8; }
.lc-python  { background: #3572a5; }

/* ── SKILLS ── */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: .8rem; }
.skill-group {
  background: var(--bg2); border: 1px solid var(--border); border-radius: var(--r); padding: 1rem;
  transition: border-color .18s;
}
.skill-group:hover { border-color: var(--accent); }
.skill-group h4 {
  font-size: .78rem; font-weight: 700; color: var(--text2);
  text-transform: uppercase; letter-spacing: .4px; margin-bottom: .7rem;
}
.skill-list { display: flex; flex-wrap: wrap; gap: .35rem; }
.skill {
  font-size: .75rem; padding: .18rem .55rem; border-radius: 5px;
  background: var(--bg3); border: 1px solid var(--border); color: var(--text2);
}
.skill.hi { color: var(--text); border-color: #3b4763; }

/* ── PUBLICATIONS ── */
.pub-list { display: flex; flex-direction: column; gap: .6rem; }
.pub-item {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r); padding: .85rem 1rem;
  display: flex; align-items: flex-start; gap: .7rem;
  transition: border-color .18s;
}
.pub-item:hover { border-color: var(--fisica); }
.pub-year {
  font-size: .7rem; font-weight: 700; color: var(--fisica);
  background: rgba(129,140,248,.11); border: 1px solid rgba(129,140,248,.26);
  border-radius: 5px; padding: .12rem .45rem; white-space: nowrap; flex-shrink: 0; margin-top: .1rem;
}
.pub-title { font-size: .84rem; font-weight: 600; margin-bottom: .12rem; }
.pub-venue { font-size: .76rem; color: var(--text2); }

/* ── CONTACT ── */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: .7rem; }
.contact-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r); padding: 1rem;
  display: flex; align-items: center; gap: .8rem;
  transition: border-color .18s, transform .18s;
}
.contact-card:hover { border-color: var(--accent); transform: translateY(-2px); text-decoration: none; }
.contact-card > div { min-width: 0; }
.contact-icon { font-size: 1.3rem; flex-shrink: 0; }
.contact-label { font-size: .7rem; color: var(--text2); }
.contact-val   { font-size: .84rem; font-weight: 600; color: var(--text); margin-top: .04rem; overflow-wrap: anywhere; }

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border); padding: 1.6rem;
  text-align: center; color: var(--text2); font-size: .78rem;
}
#last-updated { font-size: .7rem; margin-top: .3rem; color: var(--text2); }

/* ── REVEAL (aprimoramento progressivo; visível por padrão) ── */
.fade-in { opacity: 1; transform: none; }
html.js .fade-in { opacity: 0; transform: translateY(12px); transition: opacity .4s ease, transform .4s ease; }
html.js .fade-in.visible { opacity: 1; transform: none; }

mark { background: rgba(167,139,250,.28); color: var(--text); border-radius: 2px; padding: 0 1px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html.js .fade-in { opacity: 1; transform: none; }
}

/* ── RESPONSIVE ── */
@media (max-width: 680px) {
  .about-grid  { grid-template-columns: 1fr; }
  .stats       { grid-template-columns: repeat(2,1fr); }
  .nav-links .hide-sm { display: none; }
  nav { padding: 0 1rem; }
  .patent-card { flex-direction: column; }
  .recent-all  { margin-left: 0; flex-basis: 100%; }
}