:root {
      --bg:#5E4C93; 
      --bg2: #1b162a;
      --text:#FFFFFF; 
      --surface:#3e3261; 
      --muted:#C5C1D1; 
      --border:#20192a; 
      --serif:   'Instrument Serif', Georgia, serif;
      --sans:    'DM Sans', system-ui, sans-serif;
      --nav-w:   230px;
    }
    @media (prefers-color-scheme: dark) {
      :root { 
        --bg:#5E4C93; 
        --bg2: #1b162a;
        --text:#FFFFFF; 
        --surface:#3e3261; 
        --muted:#C5C1D1; 
        --border:#20192a; 
    }
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      background: linear-gradient(135deg, var(--bg), var(--bg2));
      color: var(--text);
      font-family: var(--sans); font-size: 15px;
      font-weight: 300; line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    /* ── SIDEBAR ─────────────────────────────────────── */
    .sidebar {
      position: fixed; top: 0; left: 0;
      width: var(--nav-w); height: 100vh;
      border-right: 1px solid var(--border);
      display: flex; flex-direction: column;
      z-index: 100; background: var(--bg);
    }
    .sidebar-top {
      padding: 36px 32px 28px;
      border-bottom: 1px solid var(--border);
    }
    .sidebar-name {
      font-family: var(--serif); font-size: 1.1rem;
      color: var(--text); text-decoration: none; display: block;
      margin-bottom: 4px;
    }
    .sidebar-sub {
      font-size: 0.75rem; color: var(--muted);
    }
    .sidebar-nav {
      flex: 1; overflow-y: auto; padding: 20px 0;
    }
    .nav-group {
      margin-bottom: 4px;
    }
    .nav-group-label {
      font-size: 0.65rem; font-weight: 500;
      letter-spacing: 0.12em; text-transform: uppercase;
      color: var(--muted); padding: 16px 32px 6px;
      display: block;
    }
    .nav-link {
      display: flex; align-items: center; gap: 10px;
      padding: 6px 32px; font-size: 0.84rem; font-weight: 400;
      color: var(--muted); text-decoration: none;
      transition: color 0.15s; position: relative;
      white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    }
    .nav-link::before {
      content: ''; position: absolute; left: 0; top: 50%;
      transform: translateY(-50%); width: 2px; height: 0;
      background: var(--text); border-radius: 0 2px 2px 0;
      transition: height 0.18s;
    }
    .nav-link:hover { color: var(--text); }
    .nav-link.active { color: var(--text); font-weight: 500; }
    .nav-link.active::before { height: 14px; }
    .nav-link .idx {
      font-size: 0.68rem; color: var(--muted);
      min-width: 18px; flex-shrink: 0;
    }
    .sidebar-bottom {
      padding: 20px 32px;
      border-top: 1px solid var(--border);
      display: flex; flex-direction: column; gap: 6px;
    }
    .sidebar-bottom a {
      font-size: 0.76rem; color: var(--muted);
      text-decoration: none; transition: color 0.15s;
    }
    .sidebar-bottom a:hover { color: var(--text); }

    /* ── MAIN ────────────────────────────────────────── */
    .main { margin-left: var(--nav-w); }

    /* ── EACH PROJECT SECTION ────────────────────────── */
    .project-section {
      padding: 96px 80px;
      border-bottom: 1px solid var(--border);
    }

    /* Section header */
    .section-head {
      margin-bottom: 56px;
    }
    .section-kicker {
      font-size: 0.7rem; font-weight: 500;
      letter-spacing: 0.12em; text-transform: uppercase;
      color: var(--muted); margin-bottom: 14px;
      display: flex; align-items: center; gap: 10px;
    }
    .section-kicker::before {
      content: ''; display: inline-block;
      width: 24px; height: 1px; background: var(--muted);
    }
    .section-title {
      font-family: var(--serif);
      font-size: clamp(2rem, 3.5vw, 3rem);
      font-weight: 400; letter-spacing: -0.02em; line-height: 1.12;
      margin-bottom: 18px;
    }
    .section-desc {
      max-width: 560px; color: var(--muted);
      font-size: 0.94rem; line-height: 1.8;
    }

    /* Tags + meta row */
    .meta-row {
      display: flex; align-items: center;
      gap: 20px; flex-wrap: wrap; margin-top: 20px;
    }
    .tags { display: flex; flex-wrap: wrap; gap: 6px; }
    .tag {
      font-size: 0.71rem; color: var(--muted);
      background: var(--surface); border: 1px solid var(--border);
      padding: 3px 10px; border-radius: 3px;
    }
    .stat {
      font-size: 0.78rem; color: var(--muted);
    }
    .status-dot {
      display: inline-block; width: 6px; height: 6px;
      border-radius: 50%; background: currentColor;
      vertical-align: middle; margin-right: 4px;
    }
    .status-dot.active  { color: #3a7d44; }
    .status-dot.archived { color: var(--muted); opacity: .5; }

    /* Content blocks (alternating) */
    .content-blocks {
      display: flex; flex-direction: column; gap: 0;
    }

    .content-block {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0;
      border-top: 1px solid var(--border);
    }
    /* even blocks: flip columns */
    .content-block.flip {
      direction: rtl;
    }
    .content-block.flip > * { direction: ltr; }

    .block-image {
      aspect-ratio: 4/3;
      background: var(--surface);
      border-right: 1px solid var(--border);
      display: flex; align-items: center; justify-content: center;
      overflow: hidden; position: relative;
    }
    .content-block.flip .block-image {
      border-right: none;
      border-left: 1px solid var(--border);
    }

    /* Placeholder visuals (replace with real <img> tags) */
    .block-image img {
      width: 100%; height: 100%; object-fit: cover; display: block;
    }
    .placeholder {
      width: 100%; height: 100%;
      display: flex; flex-direction: column;
      align-items: center; justify-content: center;
      gap: 10px; color: var(--muted);
    }
    .placeholder-icon { font-size: 2.4rem; line-height: 1; }
    .placeholder-label { font-size: 0.72rem; letter-spacing: 0.06em; }

    .block-text {
      padding: 44px 48px;
      display: flex; flex-direction: column; justify-content: center;
    }
    .block-label {
      font-size: 0.68rem; font-weight: 500;
      letter-spacing: 0.1em; text-transform: uppercase;
      color: var(--muted); margin-bottom: 16px;
    }
    .block-text h3 {
      font-family: var(--serif); font-size: 1.25rem;
      font-weight: 400; letter-spacing: -0.01em;
      line-height: 1.3; margin-bottom: 14px;
    }
    .block-text p {
      font-size: 0.88rem; color: var(--muted);
      line-height: 1.8;
    }

    /* Links row */
    .links-row {
      display: flex; gap: 20px; margin-top: 40px;
    }
    .text-link {
      font-size: 0.84rem; font-weight: 500; color: var(--text);
      text-decoration: none; border-bottom: 1px solid var(--border);
      padding-bottom: 2px; transition: border-color 0.15s;
      white-space: nowrap;
    }
    .text-link:hover { border-color: var(--text); }
    .text-link.ghost { color: var(--muted); }

    /* ── HERO ────────────────────────────────────────── */
    .hero-section {
      padding: 100px 80px 80px;
      border-bottom: 1px solid var(--border);
    }
    .hero-eyebrow {
      font-size: 0.7rem; font-weight: 500;
      letter-spacing: 0.12em; text-transform: uppercase;
      color: var(--muted); margin-bottom: 24px;
    }
    .hero-section h1 {
      font-family: var(--serif);
      font-size: clamp(2.8rem, 5vw, 4.2rem);
      font-weight: 400; letter-spacing: -0.025em;
      line-height: 1.1; margin-bottom: 28px; max-width: 640px;
    }
    .hero-section h1 em { font-style: italic; color: var(--muted); }
    .hero-desc {
      max-width: 460px; color: var(--muted);
      font-size: 0.94rem; line-height: 1.8; margin-bottom: 40px;
    }
    .hero-links { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 20px;}

    /* ── MOBILE ──────────────────────────────────────── */
    .mobile-bar {
      display: none; position: sticky; top: 0; z-index: 100;
      background: var(--bg); border-bottom: 1px solid var(--border);
      padding: 14px 20px; align-items: center; justify-content: space-between;
    }
    .mobile-logo { font-family: var(--serif); font-size: 1rem; color: var(--text); text-decoration: none; }
    .mobile-btn { background: none; border: none; cursor: pointer; color: var(--muted); font-family: var(--sans); font-size: 0.85rem; padding: 4px; }
    .mobile-drawer {
      display: none; position: fixed; inset: 0; z-index: 200;
      background: var(--bg); overflow-y: auto;
      padding: 24px 0; flex-direction: column;
    }
    .mobile-drawer.open { display: flex; }
    .mobile-drawer-head {
      display: flex; justify-content: space-between; align-items: center;
      padding: 0 24px 24px; border-bottom: 1px solid var(--border); margin-bottom: 16px;
    }
    .mobile-drawer-head span { font-family: var(--serif); font-size: 1rem; }
    .mobile-drawer a {
      display: block; padding: 10px 24px;
      font-size: 0.9rem; color: var(--muted); text-decoration: none;
    }
    .mobile-drawer a:hover { color: var(--text); }

    @media (max-width: 900px) {
      .sidebar { display: none; }
      .main { margin-left: 0; }
      .mobile-bar { display: flex; }
      .hero-section, .project-section { padding: 56px 24px; }
      .content-block { grid-template-columns: 1fr; }
      .content-block.flip { direction: ltr; }
      .block-image { aspect-ratio: 16/9; border-right: none; border-bottom: 1px solid var(--border); }
      .content-block.flip .block-image { border-left: none; border-bottom: 1px solid var(--border); }
      .block-text { padding: 28px 24px; }
    }