:root {
    /* GitHub-style palette */
    --bg:       #0d1117;
    --surface:  #161b22;
    --card:     #21262d;
    --card2:    #2d333b;
    --border:   #30363d;
    --border2:  #484f58;

    /* Accent - royal blue + teal only for details */
    --blue:       #1f6feb;
    --blue-light: #388bfd;
    --teal:       #3fb950;   /* GitHub green — keeps it cohesive */
    --teal-alt:   #56d364;

    /* Typography */
    --text:     #e6edf3;
    --text-dim: #8b949e;
    --muted:    #484f58;
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--bg);
    color: var(--text);
    font-family: 'poppins', sans-serif;
    overflow-x: hidden;
    line-height: 1.6;
  }

  /* Subtle grid */
  body::before {
    content: '';
    position: fixed; inset: 0;
    background-image:
      linear-gradient(var(--surface) 1px, transparent 1px),
      linear-gradient(90deg, var(--surface) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.35;
    pointer-events: none; z-index: 0;
  }

  /* Orbs */
  .orb { position: fixed; border-radius: 50%; filter: blur(160px); pointer-events: none; z-index: 0; }
  .orb1 { width: 500px; height: 500px; background: rgba(31,111,235,0.07); top: -100px; right: -80px; }
  .orb2 { width: 300px; height: 300px; background: rgba(63,185,80,0.05); bottom: 10%; left: -60px; }

  /* ── NAV ── */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: 0 40px;
    height: 60px;
    display: flex; align-items: center; justify-content: space-between;
    background: rgba(13,17,23,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
  }
  .nav-logo {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 22px;
    letter-spacing: 3px;
    color: var(--text);
  }
  .nav-logo span { color: var(--blue-light); }
  .nav-links { display: flex; gap: 6px; list-style: none; }
  .nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    letter-spacing: 1px;
    padding: 6px 14px;
    border-radius: 6px;
    transition: all 0.2s;
  }
  .nav-links a:hover { background: var(--card); color: var(--text); }

  /* ── HERO ── */
  #hero {
    min-height: 100vh;
    display: flex; align-items: center;
    padding: 80px 40px 60px;
    position: relative; z-index: 1;
  }
  .hero-inner {
    max-width: 1080px; margin: 0 auto; width: 100%;
    display: grid; grid-template-columns: 1fr 400px; gap: 64px; align-items: center;
  }
  .hero-eyebrow {
    display: flex; align-items: center; gap: 8px;
    font-family: 'Space Mono', monospace;
    font-size: 11px; letter-spacing: 2px;
    color: var(--text-dim); margin-bottom: 18px;
    opacity: 0; animation: fadeUp 0.6s 0.1s forwards;
  }
  .live-dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--teal);
    animation: pulse 2s infinite;
  }
  @keyframes pulse { 0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(63,185,80,0.4)} 50%{opacity:0.7;box-shadow:0 0 0 4px rgba(63,185,80,0)} }

  h1.hero-name {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(56px, 7vw, 96px);
    line-height: 0.95;
    letter-spacing: 2px;
    margin-bottom: 24px;
    opacity: 0; animation: fadeUp 0.6s 0.25s forwards;
  }
  h1.hero-name .hl { color: var(--blue-light); }

  .hero-desc {
    font-size: 15px; color: var(--text-dim);
    line-height: 1.85; max-width: 440px;
    margin-bottom: 36px;
    opacity: 0; animation: fadeUp 0.6s 0.4s forwards;
  }
  .hero-desc strong { color: var(--text); font-weight: normal; }

  .hero-actions {
    display: flex; gap: 10px;
    opacity: 0; animation: fadeUp 0.6s 0.55s forwards;
  }
  .btn {
    display: inline-block; text-decoration: none;
    font-family: 'Space Mono', monospace;
    font-size: 11px; letter-spacing: 1px;
    padding: 10px 22px;
    border-radius: 8px;
    transition: all 0.2s;
    white-space: nowrap;
  }
  .btn-primary { background: var(--blue); color: #fff; border: 1px solid transparent; }
  .btn-primary:hover { background: var(--blue-light); transform: translateY(-1px); }
  .btn-ghost { background: var(--card); color: var(--text); border: 1px solid var(--border); }
  .btn-ghost:hover { border-color: var(--border2); background: var(--card2); transform: translateY(-1px); }

  /* Hero card */
  .hero-card-wrap { opacity: 0; animation: fadeIn 0.8s 0.4s forwards; }
  .hero-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
  }
  .card-topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 12px 16px;
    display: flex; align-items: center; gap: 8px;
  }
  .mac-dot { width: 12px; height: 12px; border-radius: 50%; }
  .mac-r{background:#ff5f57} .mac-y{background:#febc2e} .mac-g{background:#28c840}
  .card-fname {
    font-family: 'Space Mono', monospace; font-size: 11px;
    color: var(--text-dim); margin-left: auto; letter-spacing: 1px;
  }
  .card-body { padding: 20px 24px; }
  .code-line { font-family: 'Space Mono', monospace; font-size: 12px; line-height: 2.1; }
  .kw { color: var(--blue-light); }
  .fn { color: var(--teal); }
  .str { color: #e3b341; }
  .cm { color: var(--muted); }
  .num { color: #d2a8ff; }
  .card-tags {
    display: flex; flex-wrap: wrap; gap: 6px;
    padding: 14px 24px 20px;
    border-top: 1px solid var(--border);
  }
  .ctag {
    font-family: 'Space Mono', monospace; font-size: 10px;
    padding: 4px 10px; border-radius: 20px;
    background: rgba(31,111,235,0.12);
    border: 1px solid rgba(31,111,235,0.25);
    color: var(--blue-light);
  }

  /* ── SECTIONS ── */
  section { padding: 80px 40px; position: relative; z-index: 1; }
  .section-inner { max-width: 1080px; margin: 0 auto; }
  .sec-header { display: flex; align-items: center; gap: 16px; margin-bottom: 48px; }
  .sec-num { font-family: 'Space Mono', monospace; font-size: 11px; color: var(--blue); letter-spacing: 2px; }
  .sec-title { font-family: 'Bebas Neue', sans-serif; font-size: clamp(30px, 4vw, 46px); letter-spacing: 2px; }
  .sec-line { flex: 1; height: 1px; background: var(--border); }

  /* ── EXPERIENCE ── */
  #experiencia { background: var(--surface); }
  .exp-list { display: flex; flex-direction: column; gap: 1px; border-radius: 10px; overflow: hidden; border: 1px solid var(--border); }
  .exp-item {
    background: var(--card);
    padding: 20px 24px;
    display: grid; grid-template-columns: 160px 1fr auto;
    align-items: center; gap: 24px;
    transition: background 0.2s;
    border-left: 3px solid transparent;
  }
  .exp-item:hover { background: var(--card2); border-left-color: var(--blue); }
  .exp-item + .exp-item { border-top: 1px solid var(--border); }
  .exp-period { font-family: 'Space Mono', monospace; font-size: 10px; color: var(--text-dim); letter-spacing: 1px; }
  .exp-company { font-family: 'Bebas Neue', sans-serif; font-size: 20px; letter-spacing: 1.5px; }
  .exp-role { font-size: 13px; color: var(--text-dim); margin-top: 2px; }
  .exp-badge {
    font-family: 'Space Mono', monospace; font-size: 10px;
    padding: 4px 12px; border-radius: 20px;
    border: 1px solid var(--border); color: var(--text-dim);
    white-space: nowrap;
  }
  .exp-badge.current { border-color: var(--teal); color: var(--teal); background: rgba(63,185,80,0.08); }

  .ver-mais-btn {
    width: 100%; margin-top: 8px;
    background: var(--card); border: 1px dashed var(--border);
    border-radius: 10px;
    padding: 14px; cursor: pointer;
    font-family: 'Space Mono', monospace; font-size: 11px; letter-spacing: 1.5px;
    color: var(--text-dim); text-transform: uppercase;
    transition: all 0.2s;
    display: flex; align-items: center; justify-content: center; gap: 8px;
  }
  .ver-mais-btn:hover { border-color: var(--blue); color: var(--blue-light); background: rgba(31,111,235,0.05); }
  .arrow { transition: transform 0.3s; display: inline-block; }
  .ver-mais-btn.open .arrow { transform: rotate(180deg); }
  .exp-hidden { overflow: hidden; max-height: 0; transition: max-height 0.5s ease; display: flex; flex-direction: column; gap: 1px; border-radius: 10px; overflow: hidden; border: 1px solid transparent; margin-top: 1px; }
  .exp-hidden.open { max-height: 500px; border-color: var(--border); }
  .exp-hidden .exp-item:first-child { border-top: none; }

  /* ── SKILLS ── */
  .skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }
  .skill-group {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 10px; padding: 20px;
    transition: border-color 0.2s;
  }
  .skill-group:hover { border-color: var(--border2); }
  .sg-label {
    font-family: 'Space Mono', monospace; font-size: 10px;
    letter-spacing: 2px; color: var(--blue); text-transform: uppercase;
    margin-bottom: 14px; display: flex; align-items: center; gap: 8px;
  }
  .sg-label::after { content: ''; flex: 1; height: 1px; background: var(--border); }
  .skill-tags { display: flex; flex-wrap: wrap; gap: 6px; }
  .skill-tag {
    font-family: 'Space Mono', monospace; font-size: 10px;
    padding: 5px 11px; border-radius: 20px;
    border: 1px solid var(--border); color: var(--text-dim);
    transition: all 0.18s; cursor: default;
  }
  .skill-tag:hover { border-color: var(--teal); color: var(--teal); background: rgba(63,185,80,0.06); }
  .skill-tag.hl { border-color: rgba(31,111,235,0.4); color: var(--blue-light); background: rgba(31,111,235,0.08); }

  /* ── PROJECTS ── */
  .proj-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
  .proj-card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 10px; padding: 24px;
    transition: border-color 0.2s, transform 0.2s;
    display: flex; flex-direction: column;
  }
  .proj-card:hover { border-color: var(--blue); transform: translateY(-2px); }
  .proj-label {
    font-family: 'Space Mono', monospace; font-size: 10px;
    color: var(--blue); letter-spacing: 1.5px; text-transform: uppercase;
    margin-bottom: 10px;
  }
  .proj-title { font-family: 'Bebas Neue', sans-serif; font-size: 26px; letter-spacing: 1.5px; margin-bottom: 10px; }
  .proj-desc { font-size: 13px; color: var(--text-dim); line-height: 1.7; margin-bottom: 18px; flex: 1; }
  .proj-stack { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
  .proj-stack span {
    font-family: 'Space Mono', monospace; font-size: 10px;
    padding: 3px 10px; border-radius: 20px;
    border: 1px solid var(--border); color: var(--text-dim);
  }
  .proj-link {
    font-family: 'Space Mono', monospace; font-size: 11px;
    color: var(--blue-light); text-decoration: none;
    display: inline-flex; align-items: center; gap: 6px;
    transition: gap 0.2s;
  }
  .proj-link:hover { gap: 10px; }

  /* ── FORMAÇÃO ── */
  #formacao { background: var(--surface); }
  .disc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
  .disc-item {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 8px; padding: 12px 16px;
    font-size: 13px; color: var(--text-dim);
    display: flex; align-items: center; gap: 10px;
    transition: border-color 0.2s, color 0.2s;
  }
  .disc-item:hover { border-color: var(--border2); color: var(--text); }
  .disc-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
  .dc-done { background: var(--teal); }
  .dc-cur  { background: var(--blue-light); }

  /* ── SOBRE ── */
  .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
  .about-text { font-size: 15px; color: var(--text-dim); line-height: 1.9; }
  .about-text p + p { margin-top: 14px; }
  .about-text strong { color: var(--text); font-weight: normal; }
  .about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-box {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 10px; padding: 22px;
    position: relative; overflow: hidden;
  }
  .stat-box::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--blue), transparent); }
  .stat-num { font-family: 'Bebas Neue', sans-serif; font-size: 40px; color: var(--blue-light); line-height: 1; margin-bottom: 6px; letter-spacing: 1px; }
  .stat-label { font-size: 12px; color: var(--text-dim); line-height: 1.5; }

  /* ── CONTACT ── */
  #contato { background: var(--surface); }
  .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
  .contact-headline { font-family: 'Bebas Neue', sans-serif; font-size: clamp(32px, 4vw, 52px); line-height: 1.05; letter-spacing: 2px; margin-bottom: 14px; }
  .contact-headline span { color: var(--blue-light); }
  .contact-sub { font-size: 14px; color: var(--text-dim); line-height: 1.8; }
  .contact-links { display: flex; flex-direction: column; gap: 10px; }
  .contact-link {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 20px; border-radius: 10px;
    background: var(--card); border: 1px solid var(--border);
    text-decoration: none; color: var(--text);
    transition: all 0.2s; font-size: 13px;
  }
  .contact-link:hover { border-color: var(--blue); background: var(--card2); transform: translateX(4px); }
  .cl-icon { font-family: 'Space Mono', monospace; font-size: 14px; color: var(--blue-light); width: 22px; flex-shrink: 0; }
  .cl-info small { display: block; font-family: 'Space Mono', monospace; font-size: 9px; color: var(--muted); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 2px; }

  /* ── FOOTER ── */
  footer {
    padding: 24px 40px; border-top: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
    position: relative; z-index: 1;
  }
  footer p { font-family: 'Space Mono', monospace; font-size: 10px; color: var(--muted); letter-spacing: 1px; }
  footer span { color: var(--teal); }

  /* ── ANIMATIONS ── */
  @keyframes fadeUp { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }
  @keyframes fadeIn { from{opacity:0} to{opacity:1} }
  .reveal { opacity:0; transform:translateY(24px); transition: opacity 0.55s ease, transform 0.55s ease; }
  .reveal.visible { opacity:1; transform:translateY(0); }

  @media(max-width:768px){
    nav{padding:0 20px} .nav-links{display:none}
    #hero{padding:80px 20px 50px}
    .hero-inner{grid-template-columns:1fr;gap:40px}
    section{padding:60px 20px}
    .exp-item{grid-template-columns:1fr;gap:8px}
    .about-grid,.contact-grid{grid-template-columns:1fr;gap:36px}
    footer{flex-direction:column;gap:8px;text-align:center}
  }
    /* --- Foto hero --- */
  .hero-photo-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
  }
  .hero-photo-ring {
    position: relative;
    width: 256px;
    height: 256px;
  }
  /* anel animado */
  .hero-photo-ring::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: var(--blue-light);
    border-right-color: var(--teal);
    animation: spin-ring 4s linear infinite;
  }
  /* anel estático de fundo */
  .hero-photo-ring::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--border);
  }
  @keyframes spin-ring {
    to { transform: rotate(360deg); }
  }
  .hero-photo {
    width: 256px;
    height: 256px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top; /* prioriza o rosto */
    display: block;
    border: 2px solid var(--surface);
  }

  /* --- Seletor de idioma --- */
  .lang { display:flex; gap:10px; font-family:'Space Mono',monospace; font-size:11px; letter-spacing:1px; }
  .lang a { color:var(--muted); text-decoration:none; }
  .lang a:hover, .lang a.on { color:var(--teal); }