/* Environment timeline — page-scoped, 2026-08 */
.environment-page { overflow-x: clip; }
.environment-page .page-hero { padding-bottom: clamp(5rem, 10vw, 8rem); }
.environment-page .page-hero-grid { max-width: 1180px; }
.environment-page .page-title { max-width: 1080px; }
.environment-page .page-aside { max-width: 680px; }
.environment-page .page-aside strong { font-size: clamp(1.8rem, 3vw, 2.6rem); }
.environment-page .page-aside p { margin: 1rem 0 0; }

.environment-thesis { padding: clamp(4.5rem, 9vw, 8rem) 0; }
.environment-thesis-grid { display: grid; grid-template-columns: .55fr 1.45fr; gap: clamp(2rem, 7vw, 7rem); align-items: start; }
.environment-thesis h2 { margin: 0; max-width: 940px; font: 400 clamp(2.8rem, 6vw, 6rem)/.96 var(--display); letter-spacing: -.05em; }
.environment-thesis p { max-width: 760px; margin: 2rem 0 0; color: var(--ink-soft); font-size: clamp(1rem, 1.45vw, 1.2rem); }
.environment-principles { margin-top: 3.5rem; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.environment-principle { min-height: 180px; padding: 1.7rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.environment-principle small { font: .62rem var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); }
.environment-principle strong { display: block; margin-top: 2.6rem; font: 400 1.65rem/1.05 var(--display); }

.timeline-section { padding: clamp(2rem, 5vw, 4rem) 0 clamp(7rem, 13vw, 12rem); }
.timeline-heading { display: grid; grid-template-columns: .45fr 1.55fr; gap: clamp(2rem, 7vw, 7rem); align-items: end; margin-bottom: clamp(4rem, 8vw, 7rem); }
.timeline-heading h2 { margin: 0; font: 400 clamp(3rem, 6.5vw, 6.4rem)/.92 var(--display); letter-spacing: -.055em; }
.timeline-heading p { color: var(--ink-soft); max-width: 650px; margin: 1.2rem 0 0; }

.environment-timeline { position: relative; }
.environment-timeline::before { content: ''; position: absolute; left: 137px; top: 1rem; bottom: 1rem; width: 1px; background: var(--line-strong); }
.timeline-step { position: relative; display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 4.7rem; padding-bottom: clamp(6rem, 11vw, 10rem); }
.timeline-step:last-child { padding-bottom: 0; }
.timeline-marker { position: relative; text-align: right; padding-top: .35rem; font: 500 .68rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); }
.timeline-marker::after { content: ''; position: absolute; right: -35px; top: .5rem; width: 13px; height: 13px; border-radius: 50%; background: var(--paper); border: 2px solid var(--moss); box-shadow: 0 0 0 7px var(--paper); }
.timeline-marker strong { display: block; color: var(--ink); font-size: .78rem; }
.timeline-card { min-width: 0; }
.timeline-kicker { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; margin-bottom: 1.2rem; }
.timeline-kicker span:first-child { font: 500 .68rem var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--moss); }
.status-pill { display: inline-flex; align-items: center; min-height: 1.7rem; padding: .25rem .65rem; border: 1px solid var(--line-strong); border-radius: 100px; font: 500 .56rem var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); }
.status-pill--built { background: #dce8d7; border-color: #9caf94; color: #29493c; }
.status-pill--plan { background: #eee1c6; border-color: #c4a96f; color: #614c20; }
.timeline-card h3 { margin: 0; max-width: 1050px; font: 400 clamp(2.4rem, 4.7vw, 5rem)/.96 var(--display); letter-spacing: -.045em; }
.timeline-card > p, .timeline-copy p { max-width: 790px; color: var(--ink-soft); font-size: clamp(1rem, 1.3vw, 1.14rem); }
.timeline-lead { margin-top: 1.5rem; color: var(--ink) !important; font-size: clamp(1.1rem, 1.7vw, 1.35rem) !important; }

.timeline-media { margin: clamp(2.5rem, 5vw, 4.5rem) 0 0; border: 1px solid var(--line); background: #eee8d9; overflow: hidden; }
.timeline-media img { display: block; width: 100%; height: auto; }
.timeline-media figcaption, .timeline-gallery figcaption { display: flex; justify-content: space-between; gap: 1rem; padding: .9rem 1rem; border-top: 1px solid var(--line); font: .6rem/1.5 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); background: var(--paper); }
.timeline-media--portrait { max-width: 680px; }
.timeline-media--portrait img { max-height: 780px; object-fit: contain; background: #e5ddca; }

.archive-grid { margin-top: clamp(2.5rem, 5vw, 4.5rem); display: grid; grid-template-columns: .72fr .72fr 1.56fr; gap: 1rem; align-items: stretch; }
.archive-grid figure { margin: 0; border: 1px solid var(--line); background: #e8e0cf; display: flex; flex-direction: column; }
.archive-grid img { width: 100%; height: 430px; object-fit: cover; display: block; }
.archive-grid figure:last-child img { object-fit: contain; background: #f2eee5; }
.archive-grid figcaption { margin-top: auto; min-height: 65px; }

.seedie-gallery { margin-top: clamp(2.5rem, 5vw, 4.5rem); display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr); grid-template-rows: repeat(2, 290px); gap: 1rem; }
.seedie-gallery figure { margin: 0; position: relative; overflow: hidden; border: 1px solid var(--line); background: #e8e0cf; }
.seedie-gallery figure:first-child { grid-row: 1 / 3; }
.seedie-gallery img { display: block; width: 100%; height: 100%; object-fit: cover; }
.seedie-gallery figure:first-child img { object-position: 50% 48%; }
.seedie-gallery figcaption { position: absolute; left: .7rem; right: .7rem; bottom: .7rem; display: flex; justify-content: space-between; gap: .7rem; padding: .65rem .75rem; border: 1px solid rgba(255,255,255,.25); background: rgba(10,28,23,.82); backdrop-filter: blur(8px); color: white; font: .58rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.seedie-source { margin-top: 1rem; font: .62rem var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); }
.seedie-source a { color: var(--ink); text-underline-offset: .2rem; }

.version-intro { margin: 2rem 0 0; max-width: 880px; color: var(--ink-soft); }
.version-grid { display: grid; gap: 1.25rem; margin-top: clamp(2.5rem, 5vw, 4.5rem); }
.version-card { border: 1px solid var(--line); background: #f3eee3; overflow: hidden; }
.diagram-link { display: block; position: relative; cursor: zoom-in; }
.diagram-link:focus-visible { outline: 3px solid var(--moss); outline-offset: -3px; }
.diagram-link::after { content: '↗'; position: absolute; right: .8rem; top: .8rem; width: 2rem; height: 2rem; display: grid; place-items: center; border-radius: 50%; background: rgba(244,240,230,.9); border: 1px solid var(--line-strong); color: var(--ink); font-size: .85rem; }
.version-card img { display: block; width: 100%; height: auto; }
.version-card-copy { display: grid; grid-template-columns: 110px 1fr; gap: 1.5rem; padding: 1.4rem 1.5rem 1.6rem; border-top: 1px solid var(--line); }
.version-card-copy strong { font: 400 1.7rem/1 var(--display); }
.version-card-copy p { margin: 0; color: var(--ink-soft); font-size: .9rem; }
.version-note { margin-top: 1.5rem; padding: 1.25rem 1.4rem; border-left: 3px solid var(--ochre); background: #eee5d2; color: var(--ink-soft); font-size: .9rem; }

.timeline-step--monitor .timeline-marker::after { background: var(--moss); }
.timeline-step--monitor .timeline-card { padding-top: clamp(1rem, 3vw, 2rem); }
.monitor-thesis { margin: 1.7rem 0 0; max-width: 700px; font: 400 clamp(1.5rem, 2.7vw, 2.3rem)/1.1 var(--display); }
.environment-page .monitor-screen { margin-top: clamp(3rem, 6vw, 5rem); }
.environment-page .fact-grid { margin-top: 3rem !important; }

.environment-closing { background: var(--ink); color: var(--paper); padding: clamp(6rem, 12vw, 10rem) 0; }
.environment-closing-grid { display: grid; grid-template-columns: .45fr 1.55fr; gap: clamp(2rem, 7vw, 7rem); }
.environment-closing .eyebrow { color: #a8b7b0; }
.environment-closing h2 { margin: 0; max-width: 1020px; font: 400 clamp(3rem, 7vw, 6.7rem)/.94 var(--display); letter-spacing: -.055em; }
.environment-closing h2 em { color: #94bda8; font-weight: 400; }
.environment-closing p { margin: 2rem 0 0; max-width: 760px; color: #b8c4bf; font-size: 1.08rem; }
.environment-closing-actions { margin-top: 2.4rem; display: flex; gap: .8rem; flex-wrap: wrap; }
.environment-closing .button { border-color: rgba(255,255,255,.7); color: white; }
.environment-closing .button:hover { background: white; color: var(--ink); }

@media (max-width: 900px) {
  .environment-thesis-grid, .timeline-heading, .environment-closing-grid { grid-template-columns: 1fr; }
  .environment-principles { grid-template-columns: 1fr 1fr; }
  .archive-grid { grid-template-columns: 1fr 1fr; }
  .archive-grid figure:last-child { grid-column: 1 / -1; }
  .archive-grid figure:last-child img { height: auto; max-height: 650px; }
  .seedie-gallery { grid-template-columns: 1.15fr .85fr; }
}

@media (max-width: 680px) {
  .environment-page .page-hero { padding-top: 4rem; }
  .environment-principles { grid-template-columns: 1fr; }
  .environment-principle { min-height: 145px; }
  .environment-timeline::before { left: 11px; }
  .timeline-step { grid-template-columns: 1fr; gap: 1.5rem; padding-left: 2.8rem; }
  .timeline-marker { text-align: left; padding: 0; }
  .timeline-marker::after { left: -2.72rem; right: auto; top: .15rem; }
  .timeline-marker strong { display: inline; margin-right: .4rem; }
  .archive-grid { grid-template-columns: 1fr; }
  .archive-grid figure:last-child { grid-column: auto; }
  .archive-grid img { height: auto; max-height: none; object-fit: contain; }
  .seedie-gallery { grid-template-columns: 1fr; grid-template-rows: auto; }
  .seedie-gallery figure:first-child { grid-row: auto; }
  .seedie-gallery figure { aspect-ratio: 4 / 3; }
  .seedie-gallery figure:not(:first-child) { aspect-ratio: 3 / 4; }
  .seedie-gallery figcaption { flex-direction: column; }
  .version-card-copy { grid-template-columns: 1fr; gap: .6rem; }
  .timeline-media figcaption, .timeline-gallery figcaption { flex-direction: column; }
  .environment-page .monitor-screen figcaption { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .environment-page * { scroll-behavior: auto !important; }
}