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

    :root {
      --bg: #f0eeea; --fg: #111; --muted: #555; --subtle: #bbb;
      --border: #d5d3cf; --card-bg: #e5e3df; --line: #aaa;
    }
    [data-theme="dark"] {
      --bg: #0e0e0e; --fg: #e8e6e1; --muted: #aaa; --subtle: #555;
      --border: #1e1e1e; --card-bg: #1a1a1a; --line: #2a2a2a;
    }

    html { scroll-behavior: smooth; }
    body { background: var(--bg); color: var(--fg); font-family: 'IBM Plex Mono', monospace; font-weight: 300; line-height: 1.7; transition: background 0.4s, color 0.4s; }

    .noise-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1000; opacity: 0.035; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E"); background-repeat: repeat; background-size: 200px 200px; }
    /* ── META LINK ── */
    .meta-link { color: var(--fg); text-decoration: none; transition: opacity 0.2s; }
    .meta-link:hover { opacity: 0.7; }

    header { position: fixed; top: 0; left: 0; right: 0; height: 52px; display: flex; align-items: center; justify-content: space-between; padding: 0 40px; border-bottom: 1px solid var(--border); background: var(--bg); z-index: 100; transition: background 0.4s, border-color 0.4s; }
    .header-left { display: flex; align-items: center; gap: 20px; }
    .back-link { font-size: 13px; letter-spacing: 0.08em; color: var(--muted); text-decoration: none; transition: color 0.2s; }
    .back-link:hover { color: var(--fg); }
    .breadcrumb { font-size: 13px; letter-spacing: 0.06em; color: var(--subtle); }
    .breadcrumb span { color: var(--fg); }
    .theme-toggle { background: none; border: none; cursor: pointer; display: flex; align-items: center; gap: 7px; }
    .toggle-track { width: 30px; height: 17px; border-radius: 9px; border: 1px solid var(--line); background: transparent; position: relative; transition: border-color 0.3s; }
    .toggle-dot { position: absolute; top: 3px; left: 3px; width: 9px; height: 9px; border-radius: 50%; background: var(--fg); transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), background 0.3s; }
    [data-theme="dark"] .toggle-dot { transform: translateX(13px); }
    .toggle-label { font-size: 12px; letter-spacing: 0.1em; color: var(--muted); font-family: 'IBM Plex Mono', monospace; }
    .header-right { display: flex; align-items: center; gap: 16px; }
    .lang-toggle { background: none; border: none; cursor: pointer; font-family: 'IBM Plex Mono', monospace; font-size: 12px; letter-spacing: 0.1em; color: var(--muted); transition: color 0.2s; padding: 0; }
    .lang-toggle:hover { color: var(--fg); }

    main { padding-top: 52px; }

    /* ── HERO ── */
    .project-hero { padding: 80px 40px 64px; max-width: 720px; opacity: 0; animation: fadeUp 0.7s ease 0.1s forwards; }
    .project-tag { font-size: 9px; letter-spacing: 0.16em; color: var(--muted); margin-bottom: 16px; text-transform: uppercase; }
    .project-hero h1 { font-size: clamp(32px, 5vw, 56px); font-weight: 300; line-height: 1.1; letter-spacing: -0.01em; margin-bottom: 24px; }
    .project-hero .lead { font-size: 14px; font-weight: 300; color: var(--muted); line-height: 1.8; max-width: 540px; }

    /* ── META ── */
    .project-meta { display: flex; gap: 48px; padding: 32px 40px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); opacity: 0; animation: fadeUp 0.7s ease 0.25s forwards; flex-wrap: wrap; }
    .meta-label { font-size: 8px; letter-spacing: 0.14em; color: var(--muted); text-transform: uppercase; margin-bottom: 4px; }
    .meta-value { font-size: 11px; letter-spacing: 0.04em; }

    /* ── IMAGE STRIP ── */
    .image-strip { display: flex; gap: 16px; overflow-x: auto; scrollbar-width: none; padding: 0 40px; opacity: 0; animation: fadeUp 0.7s ease 0.35s forwards; }
    .image-strip::-webkit-scrollbar { display: none; }
    .strip-img { flex-shrink: 0; width: 400px; height: 280px; background: var(--card-bg); transition: background 0.4s; position: relative; overflow: hidden; cursor: zoom-in; }
    .strip-img:first-child { width: 560px; }
    .strip-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; }

    /* ── SECTION LABEL / DIVIDER ── */
    .section-label { font-size: 9px; letter-spacing: 0.16em; color: var(--muted); text-transform: uppercase; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
    .section-divider { text-align: center; font-size: 10px; letter-spacing: 0.2em; color: var(--subtle); padding: 48px 0; }

    /* ── WHAT / WHY — full width, no sidebar ── */
    .content-block { max-width: 640px; padding: 80px 40px; opacity: 0; animation: fadeUp 0.7s ease 0.45s forwards; border-top: 1px solid var(--border); }
    .content-block h2 { font-size: 18px; font-weight: 400; margin-bottom: 16px; margin-top: 48px; }
    .content-block h2:first-of-type { margin-top: 0; }
    .content-block p { font-size: 14px; color: var(--muted); line-height: 1.9; margin-bottom: 20px; }
    .content-block p strong { color: var(--fg); font-weight: 400; text-decoration: underline; text-underline-offset: 3px; }
    .content-block p code { font-family: 'IBM Plex Mono', monospace; font-size: 11px; background: var(--card-bg); padding: 1px 5px; border-radius: 2px; }

    /* ── FEATURE CARDS — stacked text only, no image slots ── */
    .feature-cards { border-top: 1px solid var(--border); display: grid; grid-template-columns: 1fr 1fr; opacity: 0; animation: fadeUp 0.7s ease 0.5s forwards; }
    .feature-card { padding: 40px; background: var(--card-bg); transition: background 0.4s; border-right: 1px solid var(--border); }
    .feature-card:last-child { border-right: none; }
    .feature-card .icon { font-size: 20px; margin-bottom: 14px; }
    .feature-card h3 { font-size: 13px; font-weight: 400; margin-bottom: 10px; }
    .feature-card p { font-size: 11px; color: var(--muted); line-height: 1.8; }
    .feature-card p code { font-family: 'IBM Plex Mono', monospace; font-size: 10px; background: var(--bg); padding: 1px 4px; border-radius: 2px; }

    /* ── OUTCOME ── */
    .outcome-block { max-width: 640px; padding: 64px 40px 80px; border-top: 1px solid var(--border); opacity: 0; animation: fadeUp 0.7s ease 0.55s forwards; }
    .outcome-block h2 { font-size: 18px; font-weight: 400; margin-bottom: 16px; margin-top: 48px; }
    .outcome-block h2:first-of-type { margin-top: 0; }
    .outcome-block p { font-size: 14px; color: var(--muted); line-height: 1.9; margin-bottom: 20px; }
    .outcome-block p strong { color: var(--fg); font-weight: 400; text-decoration: underline; text-underline-offset: 3px; }
    .outcome-block p code { font-family: 'IBM Plex Mono', monospace; font-size: 11px; background: var(--card-bg); padding: 1px 5px; border-radius: 2px; }

    /* ── NEXT PROJECT ── */
    .next-project { display: flex; align-items: center; justify-content: space-between; padding: 40px; border-top: 1px solid var(--border); text-decoration: none; color: var(--fg); transition: background 0.2s; opacity: 0; animation: fadeUp 0.5s ease 0.6s forwards; }
    .next-project:hover { background: var(--card-bg); }
    .next-label { font-size: 9px; letter-spacing: 0.14em; color: var(--muted); margin-bottom: 6px; }
    .next-title { font-size: 18px; font-weight: 300; }
    .next-arrow { font-size: 24px; color: var(--muted); }

    /* ── LIGHTBOX ── */
    .lightbox { position: fixed; inset: 0; background: rgba(0,0,0,0.93); z-index: 2000; display: none; align-items: center; justify-content: center; }
    .lightbox.active { display: flex; }
    .lightbox-close { position: absolute; top: 20px; right: 28px; background: none; border: none; color: rgba(255,255,255,0.65); font-size: 11px; letter-spacing: 0.12em; cursor: pointer; font-family: 'IBM Plex Mono', monospace; transition: color 0.2s; padding: 8px; }
    .lightbox-close:hover { color: #fff; }
    .lightbox-prev, .lightbox-next { position: absolute; top: 50%; transform: translateY(-50%); background: none; border: 1px solid rgba(255,255,255,0.22); color: rgba(255,255,255,0.75); font-family: 'IBM Plex Mono', monospace; font-size: 13px; letter-spacing: 0.1em; padding: 14px 20px; cursor: pointer; z-index: 2001; transition: background 0.2s, color 0.2s, border-color 0.2s; }
    .lightbox-prev { left: 24px; }
    .lightbox-next { right: 24px; }
    .lightbox-prev:hover, .lightbox-next:hover { background: rgba(255,255,255,0.1); color: #fff; border-color: rgba(255,255,255,0.5); }
    .lightbox-prev[disabled], .lightbox-next[disabled] { opacity: 0.15; pointer-events: none; }
    .lightbox-img { max-width: 92vw; max-height: 90vh; object-fit: contain; display: block; user-select: none; }

    @keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }

    /* ── MOBILE ── */
    @media (max-width: 700px) {
      header { padding: 0 16px; height: 44px; }
      .breadcrumb { display: none; }
      .project-hero { padding: 40px 20px 36px; }
      .project-hero h1 { font-size: 28px; }
      .project-meta { padding: 20px; gap: 24px; }
      .image-strip { padding: 0 20px; }
      .strip-img { width: 260px; height: 180px; }
      .strip-img:first-child { width: 320px; }
      .content-block { padding: 40px 20px; }
      .feature-cards { grid-template-columns: 1fr; }
      .feature-card { border-right: none; border-bottom: 1px solid var(--border); }
      .feature-card:last-child { border-bottom: none; }
      .outcome-block { padding: 40px 20px 60px; }
      .next-project { padding: 28px 20px; }
    }
    /* ── READING PROGRESS ── */
    #reading-progress {
      position: absolute; bottom: 0; left: 0; width: 100%; height: 2px;
      background: var(--fg); pointer-events: none;
      transform: scaleX(0); transform-origin: left center;
      will-change: transform;
    }
    /* ── BACK TO TOP ── */
    #back-to-top {
      position: fixed; bottom: 32px; right: 32px;
      background: none; border: 1px solid var(--border);
      color: var(--fg); font-family: 'IBM Plex Mono', monospace;
      font-size: 9px; letter-spacing: 0.1em;
      padding: 10px 14px; cursor: pointer;
      opacity: 0; pointer-events: none;
      transition: opacity 0.3s, background 0.2s, color 0.4s, border-color 0.4s;
      z-index: 500;
    }
    #back-to-top.visible { opacity: 1; pointer-events: all; }
    #back-to-top:hover { background: var(--fg); color: var(--bg); }
    /* ── SCROLL REVEAL ── */
    .reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
    .reveal.in-view { opacity: 1; transform: translateY(0); }
    /* ── LIVE STATUS ── */
    .status-live { display: inline-flex; align-items: center; gap: 7px; }
    .status-dot-live {
      width: 6px; height: 6px; border-radius: 50%;
      background: #4caf50; flex-shrink: 0;
      animation: pulse-green-live 2s ease-in-out infinite;
    }
    @keyframes pulse-green-live {
      0%, 100% { box-shadow: 0 0 0 0 rgba(76,175,80,0.5); }
      50%       { box-shadow: 0 0 0 5px rgba(76,175,80,0); }
    }
    .status-dot-offline {
      width: 6px; height: 6px; border-radius: 50%;
      background: #e74c3c; flex-shrink: 0;
    }
    /* ── TEXT SELECTION ── */
    ::selection { background: #111; color: #f0eeea; }
    [data-theme="dark"] ::selection { background: #e8e6e1; color: #0e0e0e; }