:root {
    --bg: #0d0c0a;
    --bg-2: #131210;
    --bg-3: #1a1815;
    --line: #2a2622;
    --line-2: #3a342d;
    --fg: #f5efe4;
    --fg-2: #c9c1b2;
    --fg-3: #8a8275;
    --fg-4: #5a5447;
    --accent: #ffb547;
    --accent-2: #ff8a3d;
    --accent-soft: rgba(255, 181, 71, 0.12);
    --danger: #ff5a4a;
  }

  * { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); }
  body {
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
  }
  ::selection { background: var(--accent); color: #1a1208; }
  a { color: inherit; text-decoration: none; }
  .mono { font-family: 'JetBrains Mono', ui-monospace, monospace; font-feature-settings: "ss01", "ss02"; }
  .serif { font-family: 'Fraunces', serif; font-feature-settings: "ss01"; }
  .accent { color: var(--accent); }
  .muted { color: var(--fg-3); }
  .dim { color: var(--fg-4); }
  .upper { text-transform: uppercase; letter-spacing: 0.08em; }

  /* container */
  .wrap { max-width: 1240px; margin: 0 auto; padding: 0 48px; }
  @media (max-width: 960px) { .wrap { padding: 0 44px; } }
  @media (max-width: 720px) { .wrap { padding: 0 36px; } }
  @media (max-width: 480px) { .wrap { padding: 0 28px; } }

  /* scroll behavior */
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }

  /* nav */
  .nav {
    position: sticky; top: 0; z-index: 50;
    backdrop-filter: blur(14px);
    background: rgba(13, 12, 10, 0.78);
    border-bottom: 1px solid var(--line);
  }
  .nav-inner {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 0;
  }
  .nav-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px; font-weight: 600;
    display: flex; align-items: center; gap: 10px;
  }
  .nav-logo .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 16px var(--accent);
    animation: pulse 2s ease-in-out infinite;
  }
  @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
  .nav-links { display: flex; gap: 28px; font-family: 'JetBrains Mono', monospace; font-size: 13px; }
  .nav-links a { color: var(--fg-3); transition: color 0.15s; }
  .nav-links a:hover { color: var(--accent); }
  .nav-cta {
    font-family: 'JetBrains Mono', monospace; font-size: 13px;
    padding: 8px 14px; border: 1px solid var(--line-2);
    border-radius: 999px; color: var(--fg);
    transition: all 0.15s;
  }
  .nav-cta:hover { border-color: var(--accent); color: var(--accent); }
  @media (max-width: 720px) { .nav-links { display: none; } }

  .nav-right { display: flex; align-items: center; gap: 14px; }
  .lang-toggle {
    display: inline-flex; align-items: center;
    border: 1px solid var(--line-2); border-radius: 999px;
    padding: 3px; gap: 2px;
    background: var(--bg-2);
  }
  .lang-opt {
    appearance: none; -webkit-appearance: none;
    border: 0; background: transparent; cursor: pointer;
    font-family: 'JetBrains Mono', monospace; font-size: 12px; font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--fg-3);
    padding: 5px 11px; border-radius: 999px;
    transition: all 0.15s;
    line-height: 1;
  }
  .lang-opt:hover { color: var(--fg); }
  .lang-opt.on { background: var(--accent); color: #1a1208; }

  /* section heads */
  .section { padding: 120px 0; border-top: 1px solid var(--line); }
  @media (max-width: 960px) { .section { padding: 88px 0; } }
  @media (max-width: 720px) { .section { padding: 64px 0; } }
  .section-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 48px; }
  @media (max-width: 720px) { .section-head { margin-bottom: 32px; } }
  .section-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px; color: var(--fg-4);
  }
  .section-title {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0;
  }
  .section-title .bracket { color: var(--fg-4); font-weight: 400; }
  .section-sub { color: var(--fg-3); max-width: 640px; margin-top: 8px; font-size: 17px; }

  /* hero */
  .hero { padding-block: 120px 80px; position: relative; }
  @media (max-width: 960px) { .hero { padding-block: 88px 56px; } }
  @media (max-width: 720px) { .hero { padding-block: 64px 40px; } }
  .hero-grid {
    display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px;
    align-items: start;
  }
  @media (max-width: 960px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }
  @media (max-width: 720px) { .hero-grid { gap: 32px; } }

  .hero-status {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: 'JetBrains Mono', monospace; font-size: 13px;
    padding: 6px 12px;
    border: 1px solid var(--line-2); border-radius: 999px;
    background: var(--bg-2);
    margin-bottom: 32px;
  }
  .hero-status .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: #4ade80; box-shadow: 0 0 12px #4ade80;
  }
  .hero h1 {
    font-size: clamp(44px, 7vw, 88px);
    line-height: 0.98;
    letter-spacing: -0.035em;
    font-weight: 700;
    margin: 0 0 28px;
  }
  .hero h1 .name { display: block; }
  .hero h1 .role {
    display: block;
    color: var(--fg-3);
    font-weight: 400;
    font-family: 'Fraunces', serif;
    font-style: italic;
    font-size: 0.62em;
    margin-top: 8px;
  }
  .hero h1 .role .hi { color: var(--accent); font-style: normal; font-family: 'JetBrains Mono', monospace; font-size: 0.7em; vertical-align: 0.18em; padding-right: 6px; }
  .hero-tagline {
    font-size: 19px;
    color: var(--fg-2);
    max-width: 540px;
    margin-bottom: 36px;
    line-height: 1.55;
  }
  .hero-tagline b { color: var(--fg); font-weight: 600; }
  .hero-cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

  .btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 14px 22px; border-radius: 999px;
    font-family: 'JetBrains Mono', monospace; font-size: 14px;
    font-weight: 500;
    transition: all 0.18s ease;
    cursor: pointer; border: 1px solid transparent;
  }
  .btn-primary {
    background: var(--accent); color: #1a1208;
  }
  .btn-primary:hover { background: var(--fg); transform: translateY(-1px); }
  .btn-ghost {
    background: transparent; border-color: var(--line-2); color: var(--fg);
  }
  .btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
  .btn .arrow { transition: transform 0.18s; }
  .btn:hover .arrow { transform: translateX(3px); }

  /* hero side card */
  .hero-card {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: linear-gradient(180deg, var(--bg-2), var(--bg));
    overflow: hidden;
  }
  .hero-card-head {
    display: flex; align-items: center; gap: 8px;
    padding: 12px 16px; border-bottom: 1px solid var(--line);
    font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--fg-3);
  }
  .hero-card-head .traffic { display: flex; gap: 6px; margin-right: 8px; }
  .hero-card-head .traffic span { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); }
  .hero-card-body { padding: 22px; font-family: 'JetBrains Mono', monospace; font-size: 13.5px; line-height: 1.85; }
  .hero-card-body .k { color: var(--fg-4); }
  .hero-card-body .v { color: var(--fg); }
  .hero-card-body .v.a { color: var(--accent); }
  .hero-card-body .row { display: flex; justify-content: space-between; gap: 16px; }
  .hero-card-body .row + .row { border-top: 1px dashed var(--line); padding-top: 8px; margin-top: 8px; }
  .hero-card-foot {
    padding: 14px 22px;
    border-top: 1px solid var(--line);
    background: var(--bg);
    font-family: 'JetBrains Mono', monospace; font-size: 12px;
    color: var(--fg-4);
    display: flex; justify-content: space-between;
  }

  /* stats row */
  .stats-row {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid var(--line);
  }
  @media (max-width: 720px) { .stats-row { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; } }
  .stat .num {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -0.02em;
    font-family: 'Fraunces', serif;
    line-height: 1;
  }
  .stat .num sup { font-size: 0.5em; color: var(--accent); top: -0.7em; padding-left: 2px; font-family: 'JetBrains Mono', monospace; font-weight: 500; }
  .stat .lbl {
    margin-top: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--fg-3);
    text-transform: uppercase; letter-spacing: 0.1em;
    line-height: 1.4;
  }

  /* featured project */
  .featured {
    display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px;
    align-items: start;
  }
  @media (max-width: 960px) {
    .featured { grid-template-columns: 1fr; gap: 32px; max-width: 560px; margin: 0 auto; }
  }

  .featured-img {
    aspect-ratio: 4 / 5;
    border: 1px solid var(--line);
    border-radius: 14px;
    background:
      repeating-linear-gradient(135deg, rgba(255,181,71,0.04) 0 12px, rgba(255,181,71,0.08) 12px 24px),
      linear-gradient(180deg, #1a1410, #0e0c0a);
    position: relative;
    overflow: hidden;
  }
  .featured-img::after {
    content: "[ project: pharaoh's_secrets.key_art ]";
    position: absolute; bottom: 16px; left: 16px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px; color: var(--fg-4);
  }
  .featured-img .badge {
    position: absolute; top: 16px; left: 16px;
    background: var(--accent); color: #1a1208;
    font-family: 'JetBrains Mono', monospace; font-size: 11px;
    font-weight: 600;
    padding: 6px 10px; border-radius: 6px;
  }
  .featured-img .glyph {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Fraunces', serif;
    font-size: 240px; font-weight: 400;
    color: rgba(255, 181, 71, 0.18);
    line-height: 1;
  }

  .featured h3 {
    font-size: clamp(28px, 3.6vw, 40px);
    letter-spacing: -0.02em;
    margin: 0 0 8px;
    font-weight: 700;
  }
  .featured .featured-sub {
    color: var(--fg-3); margin: 0 0 24px;
    font-family: 'JetBrains Mono', monospace; font-size: 13px;
  }
  .featured-desc { color: var(--fg-2); margin-bottom: 24px; }
  .featured-desc + .featured-desc { margin-top: -12px; }

  .meta-list {
    display: grid; grid-template-columns: 1fr; gap: 0;
    border-top: 1px solid var(--line);
    margin-top: 28px;
  }
  .meta-list .row {
    display: grid; grid-template-columns: 140px 1fr;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-family: 'JetBrains Mono', monospace; font-size: 13px;
    align-items: baseline;
  }
  .meta-list .k { color: var(--fg-4); }
  .meta-list .v { color: var(--fg); }
  .meta-list .v .chip {
    display: inline-block; padding: 3px 9px;
    border: 1px solid var(--line-2); border-radius: 4px;
    margin: 2px 4px 2px 0; font-size: 12px;
  }

  /* why mochicake — letter style */
  .letter {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--bg-2);
    padding: 44px;
    position: relative;
    max-width: 880px;
    margin: 0 auto;
  }
  .letter::before {
    content: "";
    position: absolute; top: -1px; left: 44px; right: 44px;
    height: 1px; background: linear-gradient(90deg, transparent, var(--accent), transparent);
  }
  @media (max-width: 720px) { .letter { padding: 28px 24px; } }
  .letter-meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px; color: var(--fg-4);
    display: flex; flex-direction: column; gap: 4px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 18px; margin-bottom: 24px;
  }
  .letter-meta b { color: var(--fg-2); font-weight: 500; }
  .letter-body { font-size: 17px; line-height: 1.7; color: var(--fg-2); }
  .letter-body p + p { margin-top: 18px; }
  .letter-body strong { color: var(--fg); font-weight: 600; }
  .letter-sign {
    margin-top: 28px;
    font-family: 'Fraunces', serif;
    font-style: italic;
    font-size: 22px;
    color: var(--accent);
  }

  /* stack */
  .stack-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  }
  @media (max-width: 960px) { .stack-grid { grid-template-columns: repeat(2, 1fr); } }
  .stack-card {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 22px;
    background: var(--bg-2);
    transition: all 0.2s;
    display: flex; flex-direction: column;
  }
  .stack-card:hover { border-color: var(--accent); transform: translateY(-2px); }
  .stack-card .label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px; color: var(--accent);
    text-transform: uppercase; letter-spacing: 0.1em;
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
  }
  .stack-items {
    list-style: none; padding: 0; margin: 0;
    display: flex; flex-direction: column; gap: 14px;
  }
  .stack-item {
    display: flex; flex-direction: column; gap: 3px;
  }
  .stack-item-name {
    color: var(--fg); font-size: 15px; font-weight: 500;
    letter-spacing: -0.005em;
  }
  .stack-item-sub {
    color: var(--fg-3); font-size: 12px;
    letter-spacing: 0.01em;
  }

  /* resume column heads */
  .resume-col-head {
    font-size: 14px; font-family: 'JetBrains Mono', monospace;
    color: var(--accent); text-transform: uppercase; letter-spacing: 0.1em;
    margin: 0 0 28px;
  }

  /* writing rows */
  .writing-row {
    display: grid; grid-template-columns: 100px 160px 1fr;
    align-items: center; gap: 16px;
    padding: 20px 0; border-bottom: 1px solid var(--line);
  }
  .writing-date { color: var(--fg-4); font-size: 13px; }
  .writing-kind { color: var(--accent); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; }
  .writing-title { font-size: 17px; font-weight: 500; }
  @media (max-width: 720px) {
    .writing-row { grid-template-columns: 1fr; gap: 4px; }
    .writing-title { font-size: 16px; margin-top: 4px; }
  }

  /* work grid */
  .work-grid {
    display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px;
  }
  @media (max-width: 960px) { .work-grid { grid-template-columns: repeat(2, 1fr); } }
  .work-card {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--bg-2);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s;
    display: flex; flex-direction: column;
    grid-column: span 3;
  }
  .work-card.wide { grid-column: span 4; }
  .work-card.narrow { grid-column: span 2; }
  @media (max-width: 960px) {
    .work-card, .work-card.wide, .work-card.narrow { grid-column: span 2; }
  }
  .work-card:hover { border-color: var(--accent); transform: translateY(-2px); }
  .work-thumb {
    aspect-ratio: 16/10;
    position: relative;
    background:
      repeating-linear-gradient(45deg, rgba(255,255,255,0.02) 0 8px, rgba(255,255,255,0.04) 8px 16px),
      var(--bg-3);
    border-bottom: 1px solid var(--line);
  }
  .work-thumb .glyph {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Fraunces', serif;
    font-size: 96px;
    color: rgba(255,181,71,0.2);
  }
  .work-thumb .label {
    position: absolute; bottom: 10px; left: 12px;
    font-family: 'JetBrains Mono', monospace; font-size: 10px;
    color: var(--fg-4);
  }
  .work-body { padding: 18px 20px 20px; }
  .work-cat {
    font-family: 'JetBrains Mono', monospace; font-size: 11px;
    color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em;
    margin-bottom: 8px;
  }
  .work-title { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 6px; }
  .work-desc { color: var(--fg-3); font-size: 14px; line-height: 1.55; }
  .work-meta {
    display: flex; gap: 10px; margin-top: 12px;
    font-family: 'JetBrains Mono', monospace; font-size: 11px;
    color: var(--fg-4);
  }
  .work-meta span + span::before { content: "·"; margin-right: 10px; color: var(--line-2); }

  /* timeline */
  .timeline { position: relative; padding-left: 24px; }
  .timeline::before {
    content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px;
    width: 1px; background: var(--line-2);
  }
  .tl-item { position: relative; padding-bottom: 32px; }
  .tl-item:last-child { padding-bottom: 0; }
  .tl-item::before {
    content: "";
    position: absolute; left: -22px; top: 6px;
    width: 9px; height: 9px; border-radius: 50%;
    background: var(--bg); border: 2px solid var(--accent);
  }
  .tl-item.dim::before { border-color: var(--line-2); }
  .tl-date {
    font-family: 'JetBrains Mono', monospace; font-size: 12px;
    color: var(--accent); margin-bottom: 6px;
  }
  .tl-item.dim .tl-date { color: var(--fg-4); }
  .tl-title { font-size: 17px; font-weight: 600; margin-bottom: 4px; }
  .tl-desc { color: var(--fg-3); font-size: 14.5px; line-height: 1.55; }

  /* about */
  .about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: start; }
  @media (max-width: 960px) { .about-grid { grid-template-columns: 1fr; } }
  .about-text p { font-size: 17px; color: var(--fg-2); margin: 0 0 16px; }
  .about-text p:first-child::first-letter {
    font-family: 'Fraunces', serif; font-size: 60px;
    float: left; line-height: 0.9; padding: 4px 12px 0 0;
    color: var(--accent);
  }

  /* press chips */
  .press-list {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
  }
  @media (max-width: 720px) { .press-list { grid-template-columns: 1fr; } }
  .press-chip {
    display: flex; align-items: center; gap: 14px;
    padding: 18px 20px;
    border: 1px solid var(--line); border-radius: 12px;
    background: var(--bg-2);
    transition: all 0.2s;
  }
  .press-chip:hover { border-color: var(--accent); }
  .press-chip .ico {
    width: 38px; height: 38px; border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent);
    display: flex; align-items: center; justify-content: center;
    font-family: 'Fraunces', serif; font-size: 18px;
    flex-shrink: 0;
  }
  .press-chip .t { font-size: 14px; font-weight: 600; line-height: 1.2; }
  .press-chip .s { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--fg-3); margin-top: 3px; }

  /* contact */
  .contact-cta {
    text-align: center;
    padding: 60px 0;
  }
  .contact-cta h2 {
    font-size: clamp(40px, 6vw, 72px);
    letter-spacing: -0.03em;
    margin: 0 0 20px;
    line-height: 1.05;
  }
  .contact-cta h2 .word { color: var(--accent); font-family: 'Fraunces', serif; font-style: italic; font-weight: 500; }
  .contact-cta p { color: var(--fg-3); font-size: 18px; max-width: 540px; margin: 0 auto 36px; }
  .contact-links {
    display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  }
  .contact-link {
    font-family: 'JetBrains Mono', monospace; font-size: 14px;
    padding: 14px 22px;
    border: 1px solid var(--line-2); border-radius: 999px;
    transition: all 0.18s;
  }
  .contact-link:hover { border-color: var(--accent); color: var(--accent); }
  .contact-link.primary { background: var(--accent); color: #1a1208; border-color: var(--accent); }
  .contact-link.primary:hover { background: var(--fg); border-color: var(--fg); color: #1a1208; }

  /* footer */
  .footer {
    border-top: 1px solid var(--line);
    padding: 40px 0;
    font-family: 'JetBrains Mono', monospace; font-size: 12px;
    color: var(--fg-4);
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  }
  .footer a:hover { color: var(--accent); }

  /* misc */
  .grid-bg {
    position: absolute; inset: 0;
    background-image:
      linear-gradient(var(--line) 1px, transparent 1px),
      linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at top, rgba(0,0,0,0.4), transparent 70%);
    pointer-events: none; opacity: 0.5;
  }