:root {
    --bg: #0d1620;
    --bg-2: #0a121a;
    --surface: #141f29;
    --surface-2: #1a2731;
    --border: rgba(197, 214, 227, 0.12);
    --text: #e8eef3;
    --text-muted: #8ea2b3;
    --accent: #c9822f;
    --accent-strong: #e0a253;
    --ok: #6fe0b0;
    --font-display: 'IBM Plex Sans Condensed', 'Arial Narrow', sans-serif;
    --font-body: 'IBM Plex Sans', -apple-system, sans-serif;
    --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }

  @media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) {
      --bg: #f2f5f7;
      --bg-2: #e9edf0;
      --surface: #ffffff;
      --surface-2: #eaeff2;
      --border: rgba(20, 35, 48, 0.12);
      --text: #101a22;
      --text-muted: #4d5f6d;
      --accent: #a15c12;
      --accent-strong: #7f480d;
      --ok: #17835a;
    }
  }

  :root[data-theme="light"] {
    --bg: #f2f5f7;
    --bg-2: #e9edf0;
    --surface: #ffffff;
    --surface-2: #eaeff2;
    --border: rgba(20, 35, 48, 0.12);
    --text: #101a22;
    --text-muted: #4d5f6d;
    --accent: #a15c12;
    --accent-strong: #7f480d;
    --ok: #17835a;
  }

  * { box-sizing: border-box; }

  html, body { margin: 0; }

  body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    padding-inline: max(20px, env(safe-area-inset-left, 0px));
    scroll-behavior: smooth;
  }

  @media (prefers-reduced-motion: reduce) {
    body { scroll-behavior: auto; }
  }

  a { color: inherit; }

  h1, h2, h3 { font-family: var(--font-display); text-wrap: balance; margin: 0; }

  .wrap { max-width: 1040px; margin-inline: auto; }

  /* ---------- topbar ---------- */
  .topbar {
    max-width: 1040px;
    margin-inline: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding-block: 22px;
    flex-wrap: wrap;
  }
  .wordmark {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    letter-spacing: 0.02em;
  }
  .wordmark .dot { color: var(--accent); }
  .wordmark .mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 4px;
    border: 1px solid var(--accent);
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    color: var(--accent);
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0;
  }
  .topbar nav { display: flex; gap: 24px; }
  .topbar nav a {
    text-decoration: none;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: color 0.15s ease;
  }
  .topbar nav a:hover, .topbar nav a:focus-visible { color: var(--accent); }

  /* ---------- hero ---------- */
  .hero {
    position: relative;
    max-width: 1040px;
    margin-inline: auto;
    padding-block: 40px 64px;
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 48px;
    align-items: center;
    overflow: hidden;
  }
  .hero--top {
    border-top: none;
    padding-top: 8px;
  }
  @media (max-width: 760px) {
    .hero { grid-template-columns: 1fr; padding-block: 16px 40px; }
  }

  #page-net {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    opacity: 0.55;
  }
  @keyframes pulse {
    0%, 100% { opacity: 0.55; }
    50% { opacity: 1; }
  }

  .hero-text { position: relative; z-index: 1; }
  .eyebrow {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0 0 14px;
  }
  .hero h1 {
    font-size: clamp(2.6rem, 5.6vw, 4.2rem);
    font-weight: 700;
    line-height: 1.02;
    letter-spacing: -0.01em;
  }
  .hero h1 .surname { color: var(--text-muted); font-weight: 600; }
  .tagline {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 34ch;
    margin: 20px 0 30px;
  }
  .cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--bg);
    background: var(--accent);
    padding: 12px 20px;
    border-radius: 3px;
    transition: background 0.15s ease, transform 0.15s ease;
  }
  .cta:hover, .cta:focus-visible { background: var(--accent-strong); transform: translateY(-1px); }

  /* ---------- identity panel ---------- */
  .identity-panel {
    position: relative;
    z-index: 1;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    font-family: var(--font-mono);
  }
  .panel-head {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 18px;
    font-size: 0.78rem;
    letter-spacing: 0.03em;
    color: var(--ok);
    border-bottom: 1px solid var(--border);
    background: var(--surface-2);
  }
  .status-dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--ok);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 22%, transparent);
    animation: pulse 2.4s ease-in-out infinite;
  }
  @media (prefers-reduced-motion: reduce) { .status-dot { animation: none; } }

  .identity-panel dl { margin: 0; padding: 18px; display: flex; flex-direction: column; gap: 13px; }
  .identity-panel dl > div { display: grid; grid-template-columns: 84px 1fr; gap: 10px; align-items: baseline; }
  .identity-panel dt {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: lowercase;
  }
  .identity-panel dd {
    margin: 0;
    font-size: 0.82rem;
    color: var(--text);
    line-height: 1.45;
  }

  /* ---------- sections ---------- */
  section {
    max-width: 1040px;
    margin-inline: auto;
    padding-block: 56px;
    border-top: 1px solid var(--border);
  }
  section h2 {
    font-size: 1.7rem;
    font-weight: 700;
    margin-bottom: 22px;
  }

  .about p {
    max-width: 68ch;
    color: var(--text-muted);
    font-size: 1.05rem;
  }
  .about strong { color: var(--text); font-weight: 600; }

  /* ---------- skills ---------- */
  .skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 14px;
  }
  .skill-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .skill-card h3 {
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-body);
  }
  .skill-card p {
    margin: 0;
    font-size: 0.88rem;
    color: var(--text-muted);
    flex-grow: 1;
  }
  .tag-list {
    list-style: none;
    margin: 4px 0 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }
  .tag-list li {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
    padding: 4px 8px;
    border-radius: 3px;
  }

  /* ---------- contact ---------- */
  .contact p {
    max-width: 56ch;
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 24px;
  }
  .ticket-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.92rem;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 14px 22px;
    border-radius: 4px;
    transition: border-color 0.15s ease, color 0.15s ease;
  }
  .ticket-cta:hover, .ticket-cta:focus-visible {
    border-color: var(--accent);
    color: var(--accent);
  }
  .ticket-cta .arrow { transition: transform 0.15s ease; }
  .ticket-cta:hover .arrow { transform: translateX(3px); }

  footer {
    max-width: 1040px;
    margin-inline: auto;
    padding-block: 28px 40px;
    border-top: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
  }

  :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }