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

    :root {
      --bg: #080c10;
      --surface: #0d1117;
      --border: #1c2430;
      --accent: #00ffc2;
      --accent2: #4f8ef7;
      --text: #e6edf3;
      --muted: #7d8590;
      --card: #111820;
      --font-display: 'Syne', sans-serif;
      --font-mono: 'JetBrains Mono', monospace;
    }

    html { scroll-behavior: smooth; }

    body {
      background: var(--bg);
      color: var(--text);
      font-family: var(--font-mono);
      overflow-x: hidden;
      cursor: none;
    }

    /* ── CURSOR ── */
    .cursor {
      position: fixed; width: 12px; height: 12px;
      background: var(--accent); border-radius: 50%;
      pointer-events: none; z-index: 9999;
      transform: translate(-50%, -50%);
      transition: transform .1s, opacity .2s;
      mix-blend-mode: screen;
    }
    .cursor-ring {
      position: fixed; width: 36px; height: 36px;
      border: 1px solid var(--accent); border-radius: 50%;
      pointer-events: none; z-index: 9998;
      transform: translate(-50%, -50%);
      transition: transform .18s ease, width .2s, height .2s;
      opacity: .45;
    }

    /* ── NOISE OVERLAY ── */
    body::before {
      content: '';
      position: fixed; inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' 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='1'/%3E%3C/svg%3E");
      opacity: .025; pointer-events: none; z-index: 1000;
    }

    /* ── NAV ── */
    nav {
      position: fixed; top: 0; left: 0; right: 0;
      display: flex; align-items: center; justify-content: space-between;
      padding: 1.2rem 3rem;
      background: rgba(8,12,16,.8);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      z-index: 100;
    }
    .nav-logo {
      font-family: var(--font-display);
      font-weight: 800; font-size: 1.1rem;
      color: var(--accent); letter-spacing: -.02em;
    }
    .nav-links { display: flex; gap: 2rem; list-style: none; }
    .nav-links a {
      font-size: .75rem; color: var(--muted);
      text-decoration: none; letter-spacing: .1em;
      text-transform: uppercase;
      transition: color .2s;
    }
    .nav-links a:hover { color: var(--accent); }
    .nav-status {
      display: flex; align-items: center; gap: .5rem;
      font-size: .7rem; color: var(--muted); letter-spacing: .08em;
    }
    .status-dot {
      width: 7px; height: 7px; border-radius: 50%;
      background: var(--accent);
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0%,100%{ opacity: 1; transform: scale(1); }
      50%{ opacity: .4; transform: scale(.8); }
    }

    /* ── HERO ── */
    #hero {
      min-height: 100vh;
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
      padding: 6rem 3rem 3rem;
      position: relative;
      overflow: hidden;
      gap: 2rem;
    }
    .hero-grid-bg {
      position: absolute; inset: 0;
      background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
      background-size: 60px 60px;
      opacity: .4;
      mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
    }
    .hero-glow {
      position: absolute;
      width: 600px; height: 600px;
      background: radial-gradient(circle, rgba(0,255,194,.07) 0%, transparent 70%);
      top: 50%; left: 30%; transform: translate(-50%,-50%);
      pointer-events: none;
    }
    .hero-left { position: relative; z-index: 2; }
    .hero-tag {
      display: inline-flex; align-items: center; gap: .5rem;
      font-size: .7rem; color: var(--accent);
      letter-spacing: .15em; text-transform: uppercase;
      border: 1px solid rgba(0,255,194,.2);
      padding: .35rem .8rem; border-radius: 2px;
      margin-bottom: 1.5rem;
      animation: fadeUp .6s ease both;
    }
    .hero-name {
      font-family: var(--font-display);
      font-size: clamp(3rem, 6vw, 5.5rem);
      font-weight: 800;
      line-height: .95;
      letter-spacing: -.04em;
      margin-bottom: 1.2rem;
      animation: fadeUp .6s .1s ease both;
    }
    .hero-name span { color: var(--accent); }
    .hero-role {
      font-size: .85rem; color: var(--muted);
      margin-bottom: 2rem;
      line-height: 1.6;
      max-width: 420px;
      animation: fadeUp .6s .2s ease both;
    }
    .hero-role em { color: var(--accent2); font-style: normal; }
    .type-line {
      display: inline-flex; align-items: center; gap: .5rem;
      font-size: .8rem; color: var(--text);
      margin-bottom: 2.5rem;
      animation: fadeUp .6s .3s ease both;
    }
    .type-prefix { color: var(--accent); }
    #typed-text { color: var(--accent2); }
    .type-cursor { color: var(--accent); animation: blink .8s step-end infinite; }
    @keyframes blink { 50% { opacity: 0; } }
    .hero-cta {
      display: flex; gap: 1rem; flex-wrap: wrap;
      animation: fadeUp .6s .4s ease both;
    }
    .btn-primary {
      padding: .75rem 1.8rem; font-size: .8rem;
      letter-spacing: .1em; text-transform: uppercase;
      background: var(--accent); color: var(--bg);
      border: none; font-family: var(--font-mono);
      font-weight: 600; cursor: none;
      transition: transform .2s, box-shadow .2s;
      text-decoration: none; display: inline-block;
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 30px rgba(0,255,194,.25);
    }
    .btn-ghost {
      padding: .75rem 1.8rem; font-size: .8rem;
      letter-spacing: .1em; text-transform: uppercase;
      background: transparent; color: var(--text);
      border: 1px solid var(--border); font-family: var(--font-mono);
      cursor: none; transition: border-color .2s, color .2s;
      text-decoration: none; display: inline-block;
    }
    .btn-ghost:hover { border-color: var(--accent2); color: var(--accent2); }

    /* Hero right — terminal card */
    .hero-right {
      position: relative; z-index: 2;
      animation: fadeUp .6s .2s ease both;
    }
    .terminal {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 6px;
      overflow: hidden;
      box-shadow: 0 24px 60px rgba(0,0,0,.5);
    }
    .terminal-bar {
      background: #1c2430; padding: .7rem 1rem;
      display: flex; align-items: center; gap: .5rem;
    }
    .t-dot { width: 10px; height: 10px; border-radius: 50%; }
    .t-red { background: #ff5f57; }
    .t-yellow { background: #febc2e; }
    .t-green { background: #28c840; }
    .terminal-title {
      font-size: .65rem; color: var(--muted);
      margin-left: auto; letter-spacing: .05em;
    }
    .terminal-body { padding: 1.5rem; font-size: .75rem; line-height: 1.9; }
    .t-line { display: flex; gap: .5rem; }
    .t-prompt { color: var(--accent); flex-shrink: 0; }
    .t-cmd { color: var(--text); }
    .t-comment { color: var(--muted); font-style: italic; }
    .t-key { color: var(--accent2); }
    .t-val { color: #f0c060; }
    .t-str { color: #a0e080; }
    .t-blank { height: .5rem; }
    .t-output { color: var(--muted); padding-left: 1rem; }

    /* ── SECTIONS COMMON ── */
    section { padding: 6rem 3rem; max-width: 1200px; margin: 0 auto; }
    .section-tag {
      font-size: .65rem; letter-spacing: .2em; text-transform: uppercase;
      color: var(--accent); margin-bottom: .8rem;
    }
    .section-title {
      font-family: var(--font-display);
      font-size: clamp(1.8rem, 3.5vw, 2.8rem);
      font-weight: 800; letter-spacing: -.03em;
      margin-bottom: 1rem;
    }
    .section-sub {
      color: var(--muted); font-size: .8rem; line-height: 1.7;
      max-width: 520px; margin-bottom: 3rem;
    }

    /* ── SKILLS ── */
    .skills-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1.5rem;
    }
    .skill-card {
      background: var(--card);
      border: 1px solid var(--border);
      padding: 1.8rem;
      transition: border-color .25s, transform .25s;
      position: relative; overflow: hidden;
    }
    .skill-card::before {
      content: '';
      position: absolute; top: 0; left: 0; right: 0; height: 2px;
      background: linear-gradient(90deg, var(--accent), var(--accent2));
      transform: scaleX(0); transform-origin: left;
      transition: transform .3s ease;
    }
    .skill-card:hover { border-color: rgba(0,255,194,.3); transform: translateY(-4px); }
    .skill-card:hover::before { transform: scaleX(1); }
    .skill-icon {
      font-size: 1.5rem; margin-bottom: 1rem;
    }
    .skill-label {
      font-family: var(--font-display);
      font-weight: 700; font-size: 1rem;
      margin-bottom: .5rem;
    }
    .skill-desc { font-size: .72rem; color: var(--muted); line-height: 1.7; margin-bottom: 1.2rem; }
    .skill-tags { display: flex; flex-wrap: wrap; gap: .4rem; }
    .tag {
      font-size: .62rem; padding: .25rem .7rem;
      border: 1px solid var(--border);
      color: var(--muted); letter-spacing: .06em;
      text-transform: uppercase;
      transition: border-color .2s, color .2s;
    }
    .skill-card:hover .tag { border-color: rgba(0,255,194,.2); color: var(--text); }

    /* ── CERTIFICAÇÕES ── */
    .certifications-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1.5rem;
    }
    .cert-card {
      background: var(--card);
      border: 1px solid var(--border);
      padding: 1.8rem;
      transition: border-color .25s, transform .25s;
      position: relative; overflow: hidden;
    }
    .cert-card::before {
      content: '';
      position: absolute; top: 0; left: 0; right: 0; height: 2px;
      background: linear-gradient(90deg, var(--accent2), var(--accent));
      transform: scaleX(0); transform-origin: left;
      transition: transform .3s ease;
    }
    .cert-card:hover { border-color: rgba(79,142,247,.3); transform: translateY(-4px); }
    .cert-card:hover::before { transform: scaleX(1); }
    .cert-header {
      display: flex; align-items: flex-start; justify-content: space-between;
      margin-bottom: 1rem;
    }
    .cert-icon {
      font-size: 1.8rem;
    }
    .cert-date {
      font-size: .7rem; color: var(--muted);
      letter-spacing: .1em; text-transform: uppercase;
    }
    .cert-body { }
    .cert-title {
      font-family: var(--font-display);
      font-weight: 700; font-size: 1rem;
      margin-bottom: .3rem;
    }
    .cert-issuer {
      font-size: .7rem; color: var(--accent2);
      letter-spacing: .05em; text-transform: uppercase;
      margin-bottom: .5rem;
    }
    .cert-desc { font-size: .72rem; color: var(--muted); line-height: 1.7; }

    /* ── PROJECTS ── */
    .projects-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 1.5rem;
    }
    .project-card {
      background: var(--card);
      border: 1px solid var(--border);
      overflow: hidden;
      transition: border-color .25s, transform .25s;
      position: relative;
    }
    .project-card:hover { border-color: rgba(79,142,247,.4); transform: translateY(-4px); }
    .project-header {
      padding: 1.8rem 1.8rem 1rem;
      display: flex; align-items: flex-start; justify-content: space-between;
    }
    .project-num {
      font-family: var(--font-display);
      font-size: 2.5rem; font-weight: 800;
      color: var(--border); letter-spacing: -.05em;
      line-height: 1;
    }
    .project-links { display: flex; gap: .7rem; }
    .icon-btn {
      width: 32px; height: 32px;
      border: 1px solid var(--border); background: none;
      color: var(--muted); font-size: .8rem;
      display: flex; align-items: center; justify-content: center;
      cursor: none; text-decoration: none;
      transition: border-color .2s, color .2s;
    }
    .icon-btn:hover { border-color: var(--accent2); color: var(--accent2); }
    .project-body { padding: 0 1.8rem 1.8rem; }
    .project-title {
      font-family: var(--font-display);
      font-weight: 700; font-size: 1.1rem;
      margin-bottom: .5rem;
    }
    .project-desc { font-size: .73rem; color: var(--muted); line-height: 1.7; margin-bottom: 1rem; }
    .project-stack { display: flex; flex-wrap: wrap; gap: .4rem; }
    .stack-badge {
      font-size: .6rem; padding: .2rem .6rem;
      background: rgba(79,142,247,.1);
      color: var(--accent2);
      border: 1px solid rgba(79,142,247,.2);
      letter-spacing: .06em; text-transform: uppercase;
    }
    .add-project {
      border: 1px dashed var(--border);
      background: transparent;
      display: flex; flex-direction: column;
      align-items: center; justify-content: center;
      padding: 3rem 1.8rem; gap: .7rem;
      cursor: none; transition: border-color .2s;
    }
    .add-project:hover { border-color: var(--accent); }
    .add-icon {
      width: 40px; height: 40px;
      border: 1px solid var(--border);
      display: flex; align-items: center; justify-content: center;
      font-size: 1.2rem; color: var(--muted);
      transition: color .2s, border-color .2s;
    }
    .add-project:hover .add-icon { border-color: var(--accent); color: var(--accent); }
    .add-label { font-size: .7rem; color: var(--muted); letter-spacing: .1em; text-transform: uppercase; }

    /* ── ABOUT ── */
    #about {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 5rem;
      align-items: center;
      padding: 6rem 3rem;
      max-width: 1200px;
      margin: 0 auto;
    }
    .about-text .section-sub { max-width: 100%; }
    .about-p { font-size: .8rem; color: var(--muted); line-height: 1.8; margin-bottom: 1rem; }
    .about-p em { color: var(--text); font-style: normal; }
    .stats-grid {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 1rem; margin-top: 2rem;
    }
    .stat-box {
      background: var(--card); border: 1px solid var(--border);
      padding: 1.2rem; text-align: center;
    }
    .stat-num {
      font-family: var(--font-display);
      font-size: 2rem; font-weight: 800;
      color: var(--accent);
    }
    .stat-label { font-size: .65rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; margin-top: .2rem; }
    .about-right { position: relative; }
    .code-block {
      background: var(--card);
      border: 1px solid var(--border);
      padding: 1.5rem;
      font-size: .72rem;
      line-height: 1.8;
    }
    .code-block .ln { color: var(--border); user-select: none; margin-right: 1.2rem; }
    .kw { color: #c678dd; }
    .fn { color: var(--accent2); }
    .str { color: #a0e080; }
    .cm { color: var(--muted); font-style: italic; }
    .prop { color: var(--text); }
    .num { color: #f0c060; }

    /* ── contato ── */
    #contato {
      text-align: center;
      padding: 6rem 3rem;
      max-width: 700px;
      margin: 0 auto;
    }
    #contato .section-title { font-size: clamp(2rem, 4vw, 3.5rem); }
    #contato .section-sub { margin: 0 auto 2.5rem; }
    .contact-links {
      display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem;
      margin-bottom: 4rem;
    }
    .contact-link {
      display: flex; align-items: center; gap: .6rem;
      padding: .8rem 1.6rem; border: 1px solid var(--border);
      color: var(--muted); text-decoration: none;
      font-size: .75rem; letter-spacing: .08em; text-transform: uppercase;
      transition: border-color .2s, color .2s, background .2s;
    }
    .contact-link:hover { border-color: var(--accent); color: var(--accent); background: rgba(0,255,194,.03); }

    /* ── FOOTER ── */
    footer {
      border-top: 1px solid var(--border);
      padding: 1.5rem 3rem;
      display: flex; align-items: center; justify-content: space-between;
      font-size: .65rem; color: var(--muted);
    }

    /* ── SCROLL REVEAL ── */
    .reveal {
      opacity: 0; transform: translateY(28px);
      transition: opacity .6s ease, transform .6s ease;
    }
    .reveal.visible { opacity: 1; transform: none; }

    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(20px); }
      to   { opacity: 1; transform: none; }
    }

    /* ── DIVIDER ── */
    .divider {
      max-width: 1200px; margin: 0 auto;
      height: 1px; background: var(--border);
    }

    /* ── RESPONSIVE ── */
    @media (max-width: 768px) {
      nav { padding: 1rem 1.5rem; }
      .nav-links { display: none; }
      #hero { grid-template-columns: 1fr; padding: 5rem 1.5rem 3rem; }
      .hero-right { display: none; }
      #about { grid-template-columns: 1fr; gap: 2.5rem; padding: 4rem 1.5rem; }
      section { padding: 4rem 1.5rem; }
      footer { flex-direction: column; gap: .5rem; text-align: center; }
    }