@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;500;600&display=swap');

/* ─── HERO ─── */
    .project-hero {
      padding: 40px 48px 0;
      max-width: 1280px;
      margin: 0 auto;
    }

    .project-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 28px;
    }

    .meta-tag {
      font-size: var(--text-xs);
      font-weight: var(--weight-medium);
      letter-spacing: var(--tracking-wide);
      text-transform: uppercase;
      color: var(--accent-deep);
      background: var(--accent-soft);
      padding: 4px 10px;
      border-radius: 100px;
    }

    .meta-dot {
      width: 4px; height: 4px;
      border-radius: 50%;
      background: var(--border-strong);
    }

    .meta-year {
      font-size: var(--text-sm);
      color: var(--ink-muted);
    }

    .project-title {
      font-family: var(--font-sans); font-weight: var(--weight-extrabold);
      font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
      line-height: var(--leading-tight);
      letter-spacing: var(--tracking-tight);
      color: var(--ink);
      max-width: 900px;
      margin-bottom: 20px;
    }

    .project-subtitle {
      font-size: var(--text-md);
      color: var(--ink-muted);
      line-height: var(--leading-relaxed);
      max-width: 680px;
      margin-bottom: 48px;
      font-weight: var(--weight-light);
    }

    /* ─── HERO IMAGE ─── */
    .hero-image-wrap {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 48px 64px;
    }

    .hero-image {
      width: 100%;
      aspect-ratio: 16 / 7;
      border-radius: var(--radius);
      overflow: hidden;
      background: linear-gradient(135deg, var(--bg-teal) 0%, var(--border) 100%);
    }

    .hero-image img {
      width: 100%; height: 100%;
      object-fit: cover;
      display: block;
    }

    .hero-image-placeholder {
      width: 100%; height: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 12px;
      color: var(--ink-muted);
      font-size: var(--text-sm);
    }

    .hero-image-placeholder svg {
      width: 40px; height: 40px;
      opacity: 0.4;
    }

    /* ─── CONTENT LAYOUT ─── */
    .project-body {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 48px 80px;
      display: grid;
      grid-template-columns: 1fr 320px;
      gap: 80px;
      align-items: start;
    }

    /* ─── MAIN CONTENT ─── */
    .project-content { min-width: 0; }

    /* Section blocks */
    .content-block { margin-bottom: 40px; }

    .block-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-family: 'Open Sans', sans-serif;
      font-size: 1rem;
      font-weight: var(--weight-medium);
      letter-spacing: normal;
      text-transform: none;
      color: var(--accent-dark);
      margin-bottom: 16px;
    }
    .block-label::before {
      display: none;
    }

    .block-title {
      font-family: var(--font-sans); font-weight: var(--weight-extrabold);
      font-size: var(--text-xl);
      letter-spacing: var(--tracking-tight);
      color: var(--ink);
      margin-bottom: 20px;
      line-height: var(--leading-snug);
    }

    .block-text {
      font-size: var(--text-base);
      color: var(--ink-muted);
      line-height: var(--leading-loose);
    }

    .block-text p + p { margin-top: 16px; }

    .block-text strong { color: var(--ink); font-weight: var(--weight-medium); }

    /* Divider */
    .divider {
      height: 1px;
      background: var(--border-subtle);
      margin: 40px 0;
    }

    /* Inline image */
    .inline-image {
      width: 100%;
      border-radius: var(--radius-sm);
      aspect-ratio: 16 / 9;
      background: linear-gradient(135deg, var(--bg-muted) 0%, var(--border-subtle) 100%);
      overflow: hidden;
      margin: 32px 0;
    }

    .inline-image img {
      width: 100%; height: 100%;
      object-fit: cover;
      display: block;
    }

    .inline-image-placeholder {
      width: 100%; height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: var(--text-xs);
      color: var(--ink-muted);
      opacity: 0.6;
    }

    .image-caption {
      font-size: var(--text-sm);
      color: var(--ink-muted);
      margin-top: -20px;
      margin-bottom: 32px;
      font-style: italic;
    }

    /* ─── SIDEBAR ─── */
    .project-sidebar {
      position: sticky;
      top: 96px;
      max-height: calc(100vh - 96px - 32px);
      overflow-y: auto;
      scrollbar-width: thin;
      scrollbar-color: var(--border) transparent;
    }
    .project-sidebar::-webkit-scrollbar { width: 4px; }
    .project-sidebar::-webkit-scrollbar-track { background: transparent; }
    .project-sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

    /* Role card */
    .sidebar-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 28px;
      margin-bottom: 20px;
    }

    .sidebar-card-title {
      font-size: var(--text-xs);
      font-weight: var(--weight-medium);
      letter-spacing: var(--tracking-widest);
      text-transform: uppercase;
      color: var(--ink-muted);
      margin-bottom: 20px;
    }

    .role-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
      list-style: none;
    }

    .role-item {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .role-key {
      font-size: var(--text-xs);
      font-weight: var(--weight-medium);
      letter-spacing: var(--tracking-wide);
      text-transform: uppercase;
      color: var(--ink-muted);
    }

    .role-value {
      font-size: var(--text-base);
      font-weight: var(--weight-regular);
      color: var(--ink);
    }

    /* Metrics card */
    .metrics-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .metric-item {
      background: var(--surface-teal);
      border-radius: var(--radius-sm);
      padding: 16px;
      border: 1px solid var(--border);
    }

    .metric-value {
      font-family: var(--font-sans); font-weight: var(--weight-extrabold);
      font-size: var(--text-2xl);
      letter-spacing: var(--tracking-tight);
      color: var(--ink);
      line-height: var(--leading-none);
      margin-bottom: 4px;
    }

    .metric-label {
      font-size: var(--text-xs);
      color: var(--ink-muted);
      line-height: var(--leading-snug);
    }

    /* ─── NEXT PROJECT ─── */
    .next-project {
      border-top: 1px solid var(--border);
      padding: 64px 48px;
      max-width: 1280px;
      margin: 0 auto;
    }

    .next-label {
      font-family: 'Open Sans', sans-serif;
      font-size: 1rem;
      font-weight: var(--weight-medium);
      letter-spacing: normal;
      text-transform: none;
      color: var(--ink-muted);
      margin-bottom: 16px;
    }

    .next-link {
      display: inline-flex;
      align-items: center;
      gap: 16px;
      text-decoration: none;
    }

    .next-title {
      font-family: var(--font-sans); font-weight: var(--weight-extrabold);
      font-size: clamp(var(--text-xl), 3vw, var(--text-3xl));
      letter-spacing: var(--tracking-tight);
      color: var(--ink);
      transition: color var(--transition);
    }
    .next-link:hover .next-title { color: var(--accent-dark); }

    .next-arrow {
      width: 48px; height: 48px;
      border-radius: 50%;
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      transition: background var(--transition), border-color var(--transition), transform var(--transition);
    }
    .next-link:hover .next-arrow {
      background: var(--ink);
      border-color: var(--ink);
      transform: translateX(4px);
    }
    .next-arrow svg path {
      stroke: var(--ink);
      transition: stroke var(--transition);
    }
    .next-link:hover .next-arrow svg path { stroke: var(--ink-inverse); }

    /* ─── RESPONSIVE ─── */
    @media (max-width: 960px) {
      nav { padding: 20px 24px; }
      .back-btn { padding: 0 24px; margin-top: 88px; }

      .project-hero,
      .hero-image-wrap { padding-left: 24px; padding-right: 24px; }

      .project-body {
        grid-template-columns: 1fr;
        padding: 0 24px 60px;
        gap: 40px;
      }
      .project-sidebar {
        position: static;
        max-height: none;
        overflow-y: visible;
      }

      .metrics-grid { grid-template-columns: repeat(2, 1fr); }

      .next-project { padding: 48px 24px; }
      footer { padding: 24px; }
    }

    @media (max-width: 600px) {
      .back-btn { display: none; }
      .inline-image--final img { width: 120% !important; margin-left: -10% !important; }
      .meta-dot { display: none; }
      .project-title { font-size: var(--text-3xl); }
      .metrics-grid { grid-template-columns: 1fr 1fr; }

      /* Reorder: pills + title first, back btn second */
      main {
        display: flex;
        flex-direction: column;
      }
      .project-hero {
        order: 1;
        padding-top: 100px;
        padding-left: 24px;
        padding-right: 24px;
      }
      .back-btn {
        order: 2;
        margin-top: 0;
        margin-bottom: 8px;
        padding: 0 24px;
      }
      .hero-image-wrap {
        order: 3;
        padding-left: 24px;
        padding-right: 24px;
      }
      .project-body { order: 4; }
      .next-project { order: 5; }
      footer { order: 6; }
    }