*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    :root {
      --paper: #faf7f2;
      --paper2: #f3efe8;
      --paper3: #ede8df;
      --ink: #1c1917;
      --ink2: #44403c;
      --ink3: #78716c;
      --ink4: #a8a29e;
      --rule: rgba(28,25,23,.10);
      --rule2: rgba(28,25,23,.06);
      --accent: #be185d;
      --accent2: #2563a8;
      --accent3: #1a7a50;
      --rose: #be185d;
      --rose-light: #fce7f3;
      --shadow: 0 2px 12px rgba(28,25,23,.08);
      --shadow-lg: 0 8px 32px rgba(28,25,23,.13);
      --radius: 10px;
      --font-body: 'Nunito', sans-serif;
      --font-serif: 'Lora', serif;
      --font-mono: 'JetBrains Mono', monospace;
    }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font-body);
      background: var(--paper);
      color: var(--ink);
      min-height: 100vh;
      /* background-image: repeating-linear-gradient(transparent, transparent 31px, rgba(28,25,23,.04) 31px, rgba(28,25,23,.04) 32px); */
      background-attachment: fixed;
    }

    /* ── NAV ── */
    .nav {
      position: sticky; top: 0; z-index: 100;
      background: rgba(250,247,242,.93);
      backdrop-filter: blur(10px);
      border-bottom: 1.5px solid var(--rule);
      padding: 0 2rem;
      display: flex; align-items: center; gap: 0; height: 56px;
    }
    .nav-brand {
      font-family: var(--font-serif); font-size: 16px; font-weight: 600;
      color: var(--ink); text-decoration: none;
      display: flex; align-items: center; gap: 8px;
      margin-right: 1.5rem; white-space: nowrap;
    }
    .nav-links { display: flex; align-items: center; gap: 4px; flex: 1; }
    .nav-link {
      font-size: 13px; font-weight: 600; color: var(--ink3);
      text-decoration: none; padding: 6px 12px; border-radius: 6px;
      transition: background .15s, color .15s; white-space: nowrap;
    }
    /* ── CARROSSEL ── */
    .card-carousel{
      position:relative;
      height:160px;
      overflow:hidden;
      border-bottom:1.5px solid var(--rule2);
      background:var(--paper2);
      cursor:pointer;
    }
    /* faixa de slides */
    .carousel-track{
      display:flex;
      height:100%;
      transition:transform .4s cubic-bezier(.4,0,.2,1);
      will-change:transform;
    }
    /* cada slide */
    .carousel-slide{
      flex:0 0 100%;
      height:100%;
      position:relative;
    }
    .carousel-slide img{
      width:100%;
      height:100%;
      object-fit:cover;
      display:block;
      user-select:none;
      -webkit-user-drag:none;
    }
    /* placeholder quando não há imagem */
    .carousel-placeholder{
      width:100%;
      height:100%;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:6px;
      background:var(--paper2);
    }
    .carousel-placeholder span{font-size:36px;opacity:.35;}
    .carousel-placeholder p{
      font-family:var(--font-mono);
      font-size:10px;
      color:var(--ink4);
      letter-spacing:.04em;
    }
    /* overlay gradiente sutil */
    .card-carousel::after{
      content:'';
      position:absolute;
      inset:0;
      background:linear-gradient(to top, rgba(28,25,23,.18) 0%, transparent 50%);
      pointer-events:none;
    }
    .nav-link:hover { background: var(--paper3); color: var(--ink); }
    .nav-link.active { background: var(--ink); color: var(--paper); }
    .nav-sep { width: 1px; height: 18px; background: var(--rule); margin: 0 4px; }
    .nav-notebook-btn {
      display: flex; align-items: center; gap: 6px;
      font-size: 12px; font-weight: 700; color: var(--accent2);
      background: rgba(37,99,168,.08); border: 1.5px solid rgba(37,99,168,.2);
      border-radius: 20px; padding: 5px 14px; text-decoration: none;
      transition: background .15s, border-color .15s; white-space: nowrap;
      margin-left: auto;
    }
    .nav-notebook-btn:hover { background: rgba(37,99,168,.14); border-color: rgba(37,99,168,.35); }
    .lang-toggle {
      display: flex; align-items: center; gap: 2px;
      background: var(--paper2); border: 1.5px solid var(--rule);
      border-radius: 8px; padding: 3px; flex-shrink: 0; margin-left: 12px;
    }
    .lang-btn {
      font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 5px;
      border: none; cursor: pointer; background: transparent; color: var(--ink4);
      transition: background .15s, color .15s; font-family: var(--font-body);
    }
    .lang-btn.active { background: #fff; color: var(--ink); box-shadow: 0 1px 4px rgba(28,25,23,.10); }
    .lang-btn:hover:not(.active) { color: var(--ink); }

    /* ── HERO ── */
    .hero {
      max-width: 900px; margin: 0 auto;
      padding: 5rem 2rem 3rem;
      display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center;
    }
    .hero-left { display: flex; flex-direction: column; gap: 1.2rem; }
    .hero-eyebrow {
      font-family: var(--font-mono); font-size: 12px; font-weight: 500;
      color: var(--ink4); letter-spacing: .06em;
    }
    .hero-name {
      font-family: var(--font-serif);
      font-size: clamp(38px, 7vw, 62px);
      font-weight: 600; line-height: 1.1; color: var(--ink);
    }
    .hero-name em { font-style: italic; color: var(--accent); }
    .hero-title {
      font-size: 16px; font-weight: 700; color: var(--ink2);
      display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
    }
    .hero-title .badge {
      font-size: 12px; font-weight: 700; padding: 3px 10px;
      border-radius: 20px; background: var(--rose-light); color: var(--rose);
    }
    .hero-bio {
      font-size: 15px; color: var(--ink3); line-height: 1.75; max-width: 480px;
    }
    .hero-cta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: .4rem; }
    .btn-primary {
      display: inline-flex; align-items: center; gap: 7px;
      background: var(--ink); color: var(--paper);
      font-size: 13px; font-weight: 700; padding: 10px 20px;
      border-radius: 8px; text-decoration: none;
      transition: background .15s, transform .15s;
    }
    .btn-primary:hover { background: var(--ink2); transform: translateY(-1px); }
    .btn-secondary {
      display: inline-flex; align-items: center; gap: 7px;
      background: #fff; color: var(--ink2);
      font-size: 13px; font-weight: 700; padding: 10px 20px;
      border-radius: 8px; text-decoration: none;
      border: 1.5px solid var(--rule);
      transition: border-color .15s, transform .15s, box-shadow .15s;
    }
    .btn-secondary:hover { border-color: var(--ink3); transform: translateY(-1px); box-shadow: var(--shadow); }
    .hero-right { display: flex; flex-direction: column; align-items: center; gap: 12px; }
    .hero-avatar {
      width: 140px; height: 140px; border-radius: 50%;
      background: linear-gradient(135deg, #fce7f3, #dbeafe, #dcfce7);
      border: 3px solid #fff; box-shadow: var(--shadow-lg);
      display: flex; align-items: center; justify-content: center;
      font-family: var(--font-serif); font-size: 52px; font-weight: 600;
      color: var(--rose); position: relative;
    }
    .hero-avatar::after {
      content: ''; position: absolute; inset: -6px;
      border-radius: 50%;
      border: 2px dashed rgba(190,24,93,.2);
      animation: spin 18s linear infinite;
    }
    @keyframes spin { to { transform: rotate(360deg); } }
    .hero-status {
      display: flex; align-items: center; gap: 6px;
      font-size: 12px; font-weight: 700; color: var(--accent3);
      background: #dcfce7; border: 1.5px solid rgba(26,122,80,.2);
      border-radius: 20px; padding: 5px 12px;
    }
    .hero-status::before {
      content: ''; width: 7px; height: 7px; border-radius: 50%;
      background: var(--accent3);
      animation: pulse 2s infinite;
    }
    @keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.6;transform:scale(.8)} }
    .hero-location { font-family: var(--font-mono); font-size: 11px; color: var(--ink4); }

    /* ── DIVIDER ── */
    .divider { max-width: 900px; margin: 0 auto; border: none; border-top: 1.5px solid var(--rule2); }

    /* ── PAGE ── */
    .page { max-width: 900px; margin: 0 auto; padding: 0 2rem 5rem; }
    .sec { margin-top: 3rem; }
    .sec-label {
      font-size: 11px; font-weight: 700; letter-spacing: .08em;
      text-transform: uppercase; color: var(--ink4); margin-bottom: 18px;
      display: flex; align-items: center; gap: 8px;
    }
    .sec-label::after { content: ''; flex: 1; height: 1px; background: var(--rule2); }

    /* ── SKILLS ── */
    .skills-grid { display: flex; flex-wrap: wrap; gap: 8px; }
    .skill-pill {
      display: flex; align-items: center; gap: 7px;
      font-size: 13px; font-weight: 700;
      padding: 7px 14px; border-radius: 8px;
      border: 1.5px solid var(--rule);
      background: #fff; color: var(--ink2);
      transition: transform .15s, box-shadow .15s;
    }
    .skill-pill:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
    .skill-pill .sp-icon { font-size: 15px; }

    /* ── PROJECTS ── */
    .projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap: 16px; }
    .project-card {
      background: #fff; border: 1.5px solid var(--rule);
      border-radius: var(--radius); padding: 0; overflow: hidden;
      box-shadow: var(--shadow); text-decoration: none; color: inherit;
      display: flex; flex-direction: column;
      transition: transform .18s, box-shadow .18s;
    }
    .project-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
    .pc-top { height: 6px; }
    .pc-top.py  { background: linear-gradient(90deg,#3b82f6,#60a5fa); }
    .pc-top.js  { background: linear-gradient(90deg,#f59e0b,#fcd34d); }
    .pc-top.html{ background: linear-gradient(90deg,#ef4444,#f87171); }
    .pc-top.full{ background: linear-gradient(90deg,#8b5cf6,#a78bfa,#60a5fa); }
    .pc-body { padding: 18px 20px; flex: 1; }
    .pc-icon { font-size: 26px; margin-bottom: 10px; }
    .pc-name { font-family: var(--font-serif); font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
    .pc-desc { font-size: 12.5px; color: var(--ink3); line-height: 1.6; }
    .pc-footer { padding: 12px 20px 16px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; border-top: 1px solid var(--rule2); }
    .pc-tag { font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 20px; }
    .pc-tag.py  { background:#dbeafe; color:#1e40af; }
    .pc-tag.js  { background:#fef9c3; color:#854d0e; }
    .pc-tag.html{ background:#fdecea; color:#b71c1c; }
    .pc-tag.css { background:#e8eeff; color:#1a3ab8; }
    .pc-tag.react{ background:#e0f2fe; color:#075985; }
    .pc-link { margin-left:auto; font-size:11px; font-weight:700; color:var(--accent2); text-decoration:none; }
    .pc-link:hover { text-decoration: underline; }

    /* ── ABOUT ── */
    .about-card {
      background: #fff; border: 1.5px solid var(--rule);
      border-radius: var(--radius); padding: 24px 28px;
      box-shadow: var(--shadow);
      display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
    }
    .about-block h4 { font-family: var(--font-serif); font-size: 15px; font-weight: 600; margin-bottom: 10px; color: var(--ink); }
    .about-block p { font-size: 13px; color: var(--ink3); line-height: 1.75; }
    .about-list { list-style: none; display: flex; flex-direction: column; gap: 7px; }
    .about-list li { font-size: 13px; color: var(--ink2); display: flex; align-items: center; gap: 8px; }
    .about-list li::before { content: '→'; font-family: var(--font-mono); font-size: 11px; color: var(--ink4); flex-shrink: 0; }

    /* ── NOTEBOOK CTA ── */
    .notebook-cta {
      margin-top: 3rem;
      background: linear-gradient(135deg, #faf7f2, #f3efe8);
      border: 1.5px solid var(--rule);
      border-radius: 14px; padding: 32px 36px;
      display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center;
      box-shadow: var(--shadow);
    }
    .nc-left { display: flex; flex-direction: column; gap: 10px; }
    .nc-eyebrow { font-family: var(--font-mono); font-size: 11px; color: var(--ink4); letter-spacing: .06em; }
    .nc-title { font-family: var(--font-serif); font-size: 22px; font-weight: 600; color: var(--ink); }
    .nc-title em { font-style: italic; color: var(--accent2); }
    .nc-desc { font-size: 13px; color: var(--ink3); line-height: 1.7; max-width: 420px; }
    .nc-tags { display: flex; gap: 6px; flex-wrap: wrap; }
    .nc-tag { font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 20px; }
    .nc-right { display: flex; align-items: center; justify-content: center; }
    .nc-btn {
      display: flex; align-items: center; gap: 8px;
      background: var(--accent2); color: #fff;
      font-size: 14px; font-weight: 700; padding: 13px 24px;
      border-radius: 10px; text-decoration: none;
      box-shadow: 0 4px 14px rgba(37,99,168,.25);
      transition: background .15s, transform .15s, box-shadow .15s; white-space: nowrap;
    }
    .nc-btn:hover { background: #1d4f8a; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,168,.35); }
    .nc-icon-wrap {
      width: 80px; height: 80px; border-radius: 16px;
      background: #fff; border: 1.5px solid var(--rule);
      display: flex; align-items: center; justify-content: center;
      font-size: 38px; box-shadow: var(--shadow); margin-bottom: 12px;
    }
    .nc-right-inner { display: flex; flex-direction: column; align-items: center; gap: 0; }

    /* ── FOOTER ── */
    .footer {
      max-width: 900px; margin: 0 auto;
      padding: 1.5rem 2rem 3rem;
      border-top: 1.5px solid var(--rule2);
      display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px;
    }
    .footer span { font-size: 12px; color: var(--ink4); font-family: var(--font-mono); }

    /* ── BACK TO TOP ── */
    .back-to-top {
      position: fixed; bottom: 2rem; right: 2rem;
      width: 42px; height: 42px; border-radius: 50%;
      background: var(--ink); color: #fff; border: none; cursor: pointer;
      font-size: 18px; display: flex; align-items: center; justify-content: center;
      box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none;
      transition: opacity .25s, transform .25s; z-index: 90; transform: translateY(8px);
    }
    .back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
    .back-to-top:hover { background: var(--ink2); }

    /* ── ANIMATIONS ── */
    @keyframes fadeUp { from{opacity:0;transform:translateY(18px)} to{opacity:1;transform:translateY(0)} }
    .fade-up { animation: fadeUp .5s ease both; }
    .fade-up:nth-child(1){animation-delay:.05s} .fade-up:nth-child(2){animation-delay:.12s}
    .fade-up:nth-child(3){animation-delay:.19s} .fade-up:nth-child(4){animation-delay:.26s}
    .fade-up:nth-child(5){animation-delay:.33s} .fade-up:nth-child(6){animation-delay:.40s}
    [data-i18n] { transition: opacity .18s ease; }
    .lang-switching [data-i18n] { opacity: 0; }

    @media(max-width:640px){
      .hero { grid-template-columns:1fr; padding:2.5rem 1rem 2rem; }
      .hero-right { flex-direction: row; justify-content: flex-start; }
      .hero-avatar { width:90px; height:90px; font-size:34px; }
      .page { padding: 0 1rem 4rem; }
      .about-card { grid-template-columns: 1fr; }
      .notebook-cta { grid-template-columns:1fr; }
      .nc-right { justify-content: flex-start; }
      .nav { padding: 0 1rem; }
      .nav-links { display:none; }
    }