/* ============================================================
   living-bog.css — page-specific styles for the
   Living Bog Archive case study. Builds on portfolio.css tokens.
   ============================================================ */

/* ---- Hero responsibilities / inline meta ---- */
.lb-resp { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.lb-resp .tag { font-size: 13px; }

/* ---- Project Goals: 4 cards ---- */
.goals-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.goal { background: var(--surface); padding: clamp(24px, 3vw, 36px); display: flex; flex-direction: column; gap: 14px; min-height: 180px; }
.goal .gnum { font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; color: var(--accent); }
.goal p { margin: 0; font-family: var(--serif); font-size: clamp(1.15rem, 1.7vw, 1.45rem); line-height: 1.3; letter-spacing: -0.015em; color: var(--ink); font-weight: 500; }

/* ---- Key Insights: large editorial statements ---- */
.insights { display: flex; flex-direction: column; }
.insight { display: grid; grid-template-columns: 64px 1fr; gap: 24px; align-items: baseline; padding: clamp(22px, 3vw, 32px) 0; border-top: 1px solid var(--line); }
.insight:last-child { border-bottom: 1px solid var(--line); }
.insight .inum { font-family: var(--mono); font-size: 13px; color: var(--ink-3); padding-top: 6px; }
.insight p { margin: 0; font-family: var(--serif); font-size: clamp(1.4rem, 2.8vw, 2.2rem); line-height: 1.18; letter-spacing: -0.02em; color: var(--ink); font-weight: 500; text-wrap: balance; }
.insight p em { font-family: var(--editorial); font-style: italic; font-weight: 400; color: var(--accent); }

/* ---- AI-Augmented Double Diamond timeline ---- */
.dd { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 8px; }
.dd-phase { position: relative; padding: 0 22px; }
.dd-phase:first-child { padding-left: 0; }
.dd-phase:not(:last-child) { border-right: 1px solid var(--line); }
.dd-phase .ph-k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }
.dd-phase h4 { font-family: var(--serif); font-size: 1.4rem; font-weight: 600; letter-spacing: -0.02em; margin: 10px 0 0; color: var(--ink); }
.dd-track { display: flex; align-items: center; gap: 10px; margin: 18px 0; }
.dd-track .dot { width: 11px; height: 11px; border-radius: 50%; background: var(--accent); flex: none; }
.dd-track .ln { height: 1px; background: var(--line-2); flex: 1; }
.dd-phase .ai { font-size: 0.95rem; color: var(--ink-2); line-height: 1.5; }
.dd-phase .ai strong { color: var(--accent-deep); font-weight: 600; }
.dd-human { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--line-2); font-size: 0.9rem; color: var(--ink-3); line-height: 1.45; }

/* ---- Designing with AI: two columns ---- */
.ai-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.ai-col { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(24px, 3vw, 34px); }
.ai-col.human { border-left: 3px solid var(--accent); }
.ai-col h4 { font-family: var(--serif); font-size: 1.3rem; font-weight: 600; letter-spacing: -0.02em; margin: 0 0 18px; }
.ai-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.ai-col li { position: relative; padding-left: 24px; color: var(--ink-2); font-size: 1.02rem; }
.ai-col li::before { content: ""; position: absolute; left: 4px; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--ink-3); }
.ai-col.human li::before { background: var(--accent); }

/* ---- Prompt Engineering / ICE ---- */
.ice { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 4px; }
.ice-item { padding: 20px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); }
.ice-item .l { font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); }
.ice-item .d { margin-top: 8px; font-size: 0.95rem; color: var(--ink-2); line-height: 1.45; }
.prompt-card { margin-top: 24px; border: 1px solid var(--line-2); border-radius: var(--r-lg); overflow: hidden; background: var(--paper-2); }
.prompt-card .pc-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--surface); }
.prompt-card .pc-bar .d { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); }
.prompt-card .pc-bar .t { font-family: var(--mono); font-size: 12px; color: var(--ink-3); margin-left: 6px; }
.prompt-card .pc-body { padding: 22px 20px; font-family: var(--mono); font-size: 13.5px; line-height: 1.7; color: var(--ink-2); }
.prompt-card .pc-body .tag-i { color: var(--accent-deep); font-weight: 500; }

/* ---- Key Design Decisions ---- */
.decisions { display: flex; flex-direction: column; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.decision { background: var(--surface); padding: clamp(24px, 3vw, 34px); display: grid; grid-template-columns: 48px 1fr; gap: 22px; align-items: start; }
.decision .dnum { font-family: var(--serif); font-size: 1.6rem; color: var(--line-2); font-weight: 600; }
.decision .q { font-family: var(--serif); font-size: clamp(1.2rem, 1.9vw, 1.5rem); font-weight: 600; letter-spacing: -0.02em; color: var(--ink); margin: 0; }
.decision .a { margin: 12px 0 0; color: var(--ink-2); font-size: 1.02rem; line-height: 1.55; max-width: 62ch; }

/* ---- Final Design: editorial masonry gallery ---- */
.gallery { columns: 2; column-gap: 20px; }
.gallery-item { break-inside: avoid; margin-bottom: 20px; cursor: zoom-in; display: block; }
.gallery-item img { width: 100%; height: auto; display: block; border-radius: var(--r-md); border: 1px solid var(--line); transition: opacity 0.3s var(--ease); }
.gallery-item:hover img { opacity: 0.92; }
.gallery-item .cap { display: flex; justify-content: space-between; gap: 12px; margin-top: 10px; font-size: 13px; color: var(--ink-3); }
.gallery-item .cap .t { color: var(--ink-2); font-weight: 500; }
.gallery-item .cap .m { font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; }

/* ---- hero cover image ---- */
.cs-cover img { width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; }

/* lightbox modal */
.lb { position: fixed; inset: 0; z-index: 1000; background: rgba(20,19,16,0.92); display: none; align-items: center; justify-content: center; padding: 40px; backdrop-filter: blur(4px); }
.lb.open { display: flex; }
.lb img { max-width: 92vw; max-height: 84vh; border-radius: 8px; box-shadow: 0 24px 80px rgba(0,0,0,0.5); }
.lb .lb-cap { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); color: rgba(248,247,244,0.85); font-size: 14px; letter-spacing: 0.01em; }
.lb .lb-x { position: absolute; top: 22px; right: 26px; width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(248,247,244,0.25); background: transparent; color: #F8F7F4; font-size: 20px; display: flex; align-items: center; justify-content: center; cursor: pointer; }
.lb .lb-x:hover { background: rgba(248,247,244,0.12); }
.lb .lb-empty { color: rgba(248,247,244,0.7); font-family: var(--mono); font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; }

/* ---- Accessibility & Responsible AI cards ---- */
.acc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.acc-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(22px, 2.6vw, 30px); }
.acc-card .ah { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.acc-card .ah .ico { width: 30px; height: 30px; border-radius: 8px; background: var(--accent-wash); display: flex; align-items: center; justify-content: center; color: var(--accent-deep); flex: none; }
.acc-card .ah .ico svg { width: 16px; height: 16px; }
.acc-card h4 { font-size: 1.05rem; font-weight: 600; margin: 0; letter-spacing: -0.01em; }
.acc-card p { margin: 0; color: var(--ink-2); font-size: 0.96rem; line-height: 1.5; }

/* ---- Reflection ---- */
.reflection { padding-block: clamp(56px, 8vw, 110px); border-top: 1px solid var(--line); }
.reflection .r-body { max-width: 30ch; }
.reflection p.big { font-family: var(--serif); font-size: clamp(1.6rem, 3.4vw, 2.6rem); line-height: 1.24; letter-spacing: -0.02em; font-weight: 500; color: var(--ink); text-wrap: balance; }
.reflection p.big em { font-family: var(--editorial); font-style: italic; font-weight: 400; color: var(--accent); }
.reflection .r-sub { margin-top: 26px; color: var(--ink-2); font-size: 1.08rem; line-height: 1.6; max-width: 60ch; }

@media (max-width: 860px) {
  .goals-grid { grid-template-columns: 1fr; }
  .dd { grid-template-columns: 1fr 1fr; gap: 24px 18px; }
  .dd-phase { padding: 0; border-right: 0 !important; }
  .ai-cols { grid-template-columns: 1fr; }
  .ice { grid-template-columns: 1fr; }
  .acc-grid { grid-template-columns: 1fr; }
  .gallery { columns: 1; }
  .insight { grid-template-columns: 40px 1fr; gap: 14px; }
  .decision { grid-template-columns: 1fr; gap: 10px; }
}