/* =====================================================================
   FOURIER — DETAIL PAGES v2
   Sub-page layer. Loads AFTER fourier-tokens.css + homepage-v1.css and
   reuses the homepage visual vocabulary (.nav, .footer, .build, .chapter,
   .sec, .sc-grid, .sol-grid). This file owns the sub-page-only layouts:
   page hero, spec / comparison tables, stat strip, step grids, evidence
   cards, split blocks, pathway rows and the CTA band.
   ===================================================================== */

/* ── Active nav state (current page) ──────────────────────────────── */
.nav-links a.active { color: var(--fourier-green); }
.nav-links a.active::after {
  content: ''; display: block; height: 1px; margin-top: 4px;
  background: var(--mid-forest);
}

/* ─────────────────────────────────────────────────────────────────────
   PAGE HERO — parchment, copy-left / image-right (matches homepage hero)
   ───────────────────────────────────────────────────────────────────── */
.phero {
  display: grid; grid-template-columns: 1.05fr 1fr; align-items: start;
  gap: var(--space-12);
  max-width: 1240px; margin: 0 auto;
  padding: 76px 48px 84px; position: relative;
}
.phero-copy { max-width: 580px; }
.crumb {
  position: absolute; top: 30px; right: 48px; z-index: 3;
  font-family: var(--sans); font-weight: var(--fw-medium);
  font-size: var(--fs-label); letter-spacing: var(--ls-button);
  text-transform: uppercase; color: var(--mid-forest);
  display: inline-flex; align-items: center; gap: 9px;
  transition: gap var(--dur-base) ease, color var(--dur-base) ease;
}
.crumb::before { content: '←'; font-size: 13px; }
.crumb:hover { gap: 14px; color: var(--fourier-green); }
.phero-eyebrow {
  font-family: var(--sans); font-weight: var(--fw-medium);
  font-size: var(--fs-micro); letter-spacing: var(--ls-label-wide);
  text-transform: uppercase; color: var(--mid-forest);
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: var(--space-5);
}
.phero-eyebrow::before { content: ''; width: 24px; height: 0.5px; background: currentColor; }
.phero h1 {
  font-family: var(--display); font-weight: var(--fw-regular);
  font-size: var(--fs-display-1); line-height: 1.05;
  letter-spacing: -0.025em; color: var(--forest-night); text-wrap: balance;
}
.phero h1 em { font-style: italic; font-weight: var(--fw-regular); color: var(--mid-forest); }
.phero-sub {
  margin-top: var(--space-7);
  font-size: clamp(16px, 1.4vw, 20px); line-height: 1.55;
  color: var(--fg-2); max-width: 46ch;
}
.phero-media { position: relative; aspect-ratio: 5 / 4.4; }
.phero-media.phero-media--wide { aspect-ratio: 16 / 9; }
.phero-media img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-2); display: block; }
.phero-media .ph-slot, .phero-media image-slot { position: absolute; inset: 0; }

/* ─────────────────────────────────────────────────────────────────────
   SHARED SUB-PAGE PRIMITIVES
   ───────────────────────────────────────────────────────────────────── */
.dwrap { max-width: 1240px; margin: 0 auto; }

/* lead paragraph that sits under a chapter head */
.lead {
  font-family: var(--sans); font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.6; color: var(--fg-2); max-width: 60ch;
}

/* mono spec line (e.g. 70%+ BIO-MINERAL · GRS POLYMER · SGS-VERIFIED) */
.specline {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em;
  color: var(--mid-forest); margin-top: var(--space-6);
  text-transform: uppercase;
}

/* small footnote-style note */
.note {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--fg-3); margin-top: var(--space-6);
}

/* ─────────────────────────────────────────────────────────────────────
   SPLIT — text + figure
   ───────────────────────────────────────────────────────────────────── */
.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-12);
  align-items: start; max-width: 1240px; margin: 0 auto;
}
.split.text-wide { grid-template-columns: 1.08fr 0.92fr; align-items: center; }
.split.media-left .split-text { order: 2; }
.split.media-left .split-fig { order: 1; }
.split-text > p { font-size: var(--fs-body); line-height: 1.7; color: var(--fg-2); max-width: 52ch; }
.split-text > p + p { margin-top: var(--space-5); }
.split-fig { position: relative; aspect-ratio: 4 / 3; }
.split-fig.tall { aspect-ratio: 3 / 4; }
.split-fig img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-2); display: block; }
.split-fig .ph-slot, .split-fig image-slot { position: absolute; inset: 0; }
.figcap {
  position: absolute; left: 0; bottom: 0; z-index: 4;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--parchment);
  background: rgba(26,58,27,0.82); padding: 7px 12px;
}

/* ─────────────────────────────────────────────────────────────────────
   SPEC / COMPARISON TABLES — brand hairline style
   ───────────────────────────────────────────────────────────────────── */
.spec-table { width: 100%; border-collapse: collapse; max-width: 1240px; margin: 0 auto; }
.spec-table th {
  text-align: left; font-family: var(--sans); font-weight: var(--fw-medium);
  font-size: var(--fs-label); letter-spacing: var(--ls-label);
  text-transform: uppercase; color: var(--mid-forest);
  padding: 0 0 16px; border-bottom: 0.5px solid var(--line-on-light); white-space: nowrap;
}
.spec-table td {
  padding: 18px 0; border-bottom: 0.5px solid var(--line-on-light);
  font-family: var(--sans); font-size: 15px; line-height: 1.45;
  color: var(--fg-1); vertical-align: top;
}
.spec-table th + th, .spec-table td + td { padding-left: 36px; }
.spec-table td.mono {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.02em;
  color: var(--fg-2); text-transform: uppercase;
}
.spec-table tbody tr { transition: background var(--dur-base) ease; }
.spec-table tbody tr:hover { background: rgba(45,90,46,0.035); }
/* first column carries weight */
.spec-table tbody td:first-child { font-weight: var(--fw-medium); color: var(--forest-night); }
/* highlight the Fourier row in comparison tables */
.spec-table tr.is-fourier td { background: rgba(45,90,46,0.06); color: var(--forest-night); }
.spec-table tr.is-fourier td:first-child { font-weight: var(--fw-semibold); }

/* ─────────────────────────────────────────────────────────────────────
   STAT STRIP — big numbers, 4-up
   ───────────────────────────────────────────────────────────────────── */
.statstrip {
  display: grid; grid-template-columns: repeat(var(--cols, 4), 1fr);
  max-width: 1240px; margin: 0 auto;
  border-top: 0.5px solid var(--line-on-light);
  border-bottom: 0.5px solid var(--line-on-light);
}
.statstrip .s { padding: 40px 28px; border-left: 0.5px solid var(--line-on-light); }
.statstrip .s:first-child { border-left: 0; padding-left: 0; }
.statstrip .n {
  font-family: var(--display); font-weight: var(--fw-medium);
  font-size: clamp(34px, 3.6vw, 52px); line-height: 1; letter-spacing: -0.03em;
  color: var(--forest-night);
}
.statstrip .l { margin-top: var(--space-4); font-family: var(--sans); font-size: 13px; line-height: 1.5; color: var(--fg-2); max-width: 24ch; }

/* ─────────────────────────────────────────────────────────────────────
   STEPS — numbered process grid
   ───────────────────────────────────────────────────────────────────── */
.steps {
  display: grid; grid-template-columns: repeat(var(--cols, 4), 1fr); gap: 2px;
  max-width: 1240px; margin: 0 auto;
  background: var(--line-on-light);
  border: 0.5px solid var(--line-on-light);
}
.step { background: var(--parchment); padding: 30px 26px 34px; }
.step .k {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--mid-forest);
}
.step h3 { margin: 16px 0 9px; font-family: var(--display); font-weight: var(--fw-medium); font-size: 19px; letter-spacing: -0.015em; color: var(--forest-night); }
.step p { font-family: var(--sans); font-size: 13px; line-height: 1.55; color: var(--fg-2); }

/* ─────────────────────────────────────────────────────────────────────
   EVIDENCE CARDS — glyph + heading + body
   ───────────────────────────────────────────────────────────────────── */
.ecards { display: grid; grid-template-columns: repeat(var(--cols, 3), 1fr); gap: 16px; max-width: 1240px; margin: 0 auto; }
.ecard {
  border: 0.5px solid var(--line-on-light); border-radius: var(--radius-4);
  padding: 26px 24px 24px; background: var(--parchment);
  transition: transform var(--dur-base) ease, background var(--dur-base) ease, border-color var(--dur-base) ease;
}
.ecard:hover { transform: translateY(-3px); background: #EEEAE0; border-color: rgba(45,90,46,0.3); }
.ecard .glyph {
  font-family: var(--display); font-size: 22px; line-height: 1; color: var(--mid-forest);
  display: block; margin-bottom: var(--space-5);
}
.ecard .k {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--mid-forest); margin-bottom: 12px;
}
.ecard h3 { font-family: var(--display); font-weight: var(--fw-medium); font-size: 18px; letter-spacing: -0.015em; color: var(--forest-night); margin-bottom: 9px; line-height: 1.1; }
.ecard p { font-family: var(--sans); font-size: 13px; line-height: 1.55; color: var(--fg-2); }

/* ─────────────────────────────────────────────────────────────────────
   PATHWAY ROWS — partnership routes
   ───────────────────────────────────────────────────────────────────── */
.pathways { max-width: 1240px; margin: 0 auto; }
.pathway {
  display: grid; grid-template-columns: 0.82fr 1.18fr; gap: var(--space-12);
  padding: 52px 0; border-top: 0.5px solid var(--line-on-light); align-items: start;
}
.pathway:last-child { border-bottom: 0.5px solid var(--line-on-light); }
.pathway .num { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; color: var(--mid-forest); display: block; margin-bottom: var(--space-4); }
.pathway h3 {
  font-family: var(--display); font-weight: var(--fw-medium);
  font-size: clamp(24px, 2.4vw, 32px); line-height: 1.08; letter-spacing: -0.025em;
  color: var(--forest-night); margin-bottom: var(--space-4); text-wrap: balance;
}
.pathway .who { font-family: var(--sans); font-size: 14px; line-height: 1.55; color: var(--fg-2); max-width: 32ch; }
.pathway .who strong { color: var(--forest-night); font-weight: var(--fw-semibold); }
.pathway-detail > p { font-family: var(--sans); font-size: var(--fs-body); line-height: 1.7; color: var(--fg-2); max-width: 54ch; margin-bottom: var(--space-7); }
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6) var(--space-9); }
.facts .f .fk { font-family: var(--sans); font-weight: var(--fw-medium); font-size: var(--fs-label); letter-spacing: var(--ls-label); text-transform: uppercase; color: var(--mid-forest); margin-bottom: 7px; }
.facts .f .fv { font-family: var(--sans); font-size: 13.5px; line-height: 1.55; color: var(--fg-2); }

/* ─────────────────────────────────────────────────────────────────────
   LOGO WALL — placeholder operator marks
   ───────────────────────────────────────────────────────────────────── */
.logowall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; max-width: 1240px; margin: 0 auto; background: var(--line-on-light); border: 0.5px solid var(--line-on-light); }
.lw { background: var(--parchment); padding: 40px 32px; display: flex; flex-direction: column; justify-content: space-between; min-height: 150px; }
.lw .mark { font-family: var(--display); font-weight: var(--fw-medium); font-size: 21px; letter-spacing: -0.01em; color: var(--forest-night); line-height: 1.15; }
.lw .mark em { font-style: italic; font-weight: var(--fw-regular); font-size: 14px; color: var(--mid-forest); }
.lw .sect { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-3); margin-top: var(--space-6); }

/* ─────────────────────────────────────────────────────────────────────
   CTA BAND — dark, headline + buttons (reuses .build base, adds layout)
   ───────────────────────────────────────────────────────────────────── */
.cta-band { background: var(--forest-night); color: var(--parchment); padding: 96px 48px; position: relative; overflow: hidden; }
.cta-inner { max-width: 1080px; margin: 0 auto; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: var(--space-12); align-items: center; }
.cta-band h2 { font-family: var(--display); font-weight: var(--fw-medium); font-size: var(--fs-display-2); line-height: 1.08; letter-spacing: -0.025em; color: var(--parchment); text-wrap: balance; }
.cta-band h2 em { font-style: italic; font-weight: var(--fw-medium); color: var(--lichen); }
.cta-band p { margin-top: var(--space-5); color: rgba(245,242,236,0.74); font-size: 15px; line-height: 1.6; max-width: 48ch; }
.cta-actions { display: flex; flex-direction: column; gap: var(--space-4); align-items: flex-start; }
.cta-actions .product-code { color: rgba(245,242,236,0.5); }

/* .dl-band — currently unused; retained for future use */
/* download row variant — single line */
.dl-band { background: var(--parchment-mid); padding: 44px 48px; }
.dl-inner { max-width: 1080px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: var(--space-9); flex-wrap: wrap; }
.dl-inner .txt h3 { font-family: var(--display); font-weight: var(--fw-medium); font-size: 20px; letter-spacing: -0.015em; color: var(--forest-night); margin-bottom: 6px; }
.dl-inner .txt p { font-family: var(--sans); font-size: 14px; color: var(--fg-2); max-width: 52ch; }

/* ─────────────────────────────────────────────────────────────────────
   IN-LINE BAND (light) — "next step" cross-link
   ───────────────────────────────────────────────────────────────────── */
.xband { max-width: 1240px; margin: 0 auto; padding: 52px 0; border-top: 0.5px solid var(--line-on-light); }
.xband h3 { font-family: var(--display); font-weight: var(--fw-medium); font-size: clamp(24px, 2.6vw, 34px); line-height: 1.1; letter-spacing: -0.025em; color: var(--forest-night); margin-bottom: var(--space-4); text-wrap: balance; max-width: 24ch; }
.xband h3 em { font-style: italic; font-weight: var(--fw-medium); color: var(--mid-forest); }
.xband p { font-family: var(--sans); font-size: 15px; line-height: 1.6; color: var(--fg-2); max-width: 54ch; margin-bottom: var(--space-6); }

/* ─────────────────────────────────────────────────────────────────────
   NEXT STEPS — direct multi-link cross-link block (2 onward links)
   ───────────────────────────────────────────────────────────────────── */
.nextsteps { max-width: 1240px; margin: 0 auto; }
.nextsteps .chapter-kicker { margin-bottom: 0; }
.nextsteps-links { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: var(--space-6); }
.nextstep {
  display: flex; flex-direction: column; gap: 12px;
  border: 0.5px solid var(--line-on-light); border-radius: var(--radius-4);
  padding: 30px 28px; background: var(--parchment);
  transition: transform var(--dur-base) ease, background var(--dur-base) ease, border-color var(--dur-base) ease;
}
.nextstep:hover { transform: translateY(-3px); background: #EEEAE0; border-color: rgba(45,90,46,0.3); }
.nextstep-k { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mid-forest); }
.nextstep-t {
  font-family: var(--display); font-weight: var(--fw-medium); font-size: clamp(20px, 2vw, 26px);
  letter-spacing: -0.02em; color: var(--forest-night); line-height: 1.1;
  display: inline-flex; align-items: center; gap: 12px;
}
.nextstep-t::after { content: '\2192'; font-size: 16px; color: var(--mid-forest); transition: transform var(--dur-base) ease; }
.nextstep:hover .nextstep-t::after { transform: translateX(5px); }
@media (max-width: 720px) { .nextsteps-links { grid-template-columns: 1fr; } }

/* ─────────────────────────────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .phero { grid-template-columns: 1fr; gap: var(--space-9); padding: 56px 28px 60px; }
  .crumb { top: 20px; right: 28px; }
  .phero-media { aspect-ratio: 16 / 11; }
  .split { grid-template-columns: 1fr; gap: var(--space-9); }
  .split.media-left .split-text, .split.media-left .split-fig { order: 0; }
  .split-fig { aspect-ratio: 16 / 10; }
  .ecards, .statstrip, .steps, .logowall { --cols: 2; }
  .statstrip { grid-template-columns: 1fr 1fr; }
  .statstrip .s:nth-child(odd) { border-left: 0; padding-left: 0; }
  .pathway { grid-template-columns: 1fr; gap: var(--space-7); }
  .cta-inner { grid-template-columns: 1fr; gap: var(--space-8); }
}
@media (max-width: 620px) {
  .ecards, .steps, .logowall, .statstrip { grid-template-columns: 1fr; --cols: 1; }
  .statstrip .s { border-left: 0; padding: 28px 0; }
  .facts { grid-template-columns: 1fr; }
  .spec-table th + th, .spec-table td + td { padding-left: 18px; }
  .spec-table { font-size: 13px; }
  /* allow wide tables to scroll */
  .table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .table-scroll .spec-table { min-width: 560px; }
}

/* ─────────────────────────────────────────────────────────────────
   PAGE HERO — full-bleed, copy overlaid left on scrim (hero Option 1)
   Applied to all five inner-page heroes.
   ───────────────────────────────────────────────────────────────── */
.phero--hero1 {
  display: flex; align-items: center; grid-template-columns: none;
  position: relative; min-height: 600px; gap: 0;
  padding: 0; overflow: hidden; max-width: none; margin: 0;
}
.phero--hero1 .phero-bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; border-radius: 0; display: block;
}
.phero--hero1 .phero-scrim {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgba(16,32,16,0.82) 0%, rgba(16,32,16,0.62) 38%, rgba(16,32,16,0.12) 70%, rgba(16,32,16,0) 100%);
}
.phero--hero1 .phero-copy {
  position: relative; z-index: 2; max-width: 660px;
  padding: 0 48px 0 72px;
}
.phero--hero1 .phero-eyebrow { color: var(--lichen); }
.phero--hero1 h1 {
  font-size: clamp(40px, 6vw, 72px); line-height: 1.0;
  font-weight: var(--fw-medium); color: var(--parchment);
}
.phero--hero1 h1 em { color: var(--lichen); font-weight: var(--fw-medium); }
.phero--hero1 .phero-sub { color: rgba(245,242,236,0.82); max-width: 44ch; }
.phero--hero1 .crumb {
  color: var(--parchment);
  background: rgba(16,32,16,0.40); backdrop-filter: blur(10px);
  padding: 10px 18px; border-radius: var(--radius-2);
  border: 0.5px solid rgba(245,242,236,0.25);
  top: 34px; right: 40px;
}
.phero--hero1 .crumb:hover { color: var(--parchment); background: rgba(16,32,16,0.55); }
@media (max-width: 1024px) {
  .phero--hero1 { min-height: 460px; }
  .phero--hero1 .phero-copy { padding: 0 28px; max-width: 100%; }
  .phero--hero1 .crumb { top: 20px; right: 20px; }
}
/* home hero actions sit on the scrim — parchment button + lichen link */
.phero--hero1 .hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 36px; flex-wrap: wrap; }
.phero--hero1 .hero-actions .btn-primary { background: var(--parchment); color: var(--forest-night); }
.phero--hero1 .hero-actions .btn-primary:hover { background: var(--white-warm); }
.phero--hero1 .hero-actions .hero-link { color: var(--lichen); }
.phero--hero1 .hero-actions .hero-link:hover { color: var(--parchment); }

/* ─────────────────────────────────────────────────────────────────
   INTERACTIVE HOVER — data tiles lift, image areas zoom
   Brand rule: lift max translateY(-3px), image zoom ~1.04, 0.25s ease.
   ───────────────────────────────────────────────────────────────── */
.statstrip .s, .step, .sol-card, .ecard, .lw {
  transition: transform var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
  border-radius: var(--radius-2);
}
.statstrip .s:hover, .step:hover, .sol-card:hover, .ecard:hover, .lw:hover {
  transform: translateY(-3px);
  background: var(--parchment-mid);
}
.sec--solution .statstrip .s:hover,
.sec--solution .step:hover,
.sec--solution .sol-card:hover,
.sec--solution .ecard:hover { background: #E4E2D6; }

/* image areas — subtle zoom on hover */
.oi-media, .sector, .sol-media { overflow: hidden; }
.oi-media .slot-img, .oi-media img,
.sector .slot-img, .sol-media .slot-img {
  transition: transform 0.6s var(--ease-out);
}
.oi-row:hover .oi-media .slot-img,
.oi-row:hover .oi-media img,
.sector:hover .slot-img,
.sol-card:hover .sol-media .slot-img { transform: scale(1.04); }

/* ─────────────────────────────────────────────────────────────────
   USAGE PARAMETERS — operating envelope panel (Performance page, sec 04)
   ───────────────────────────────────────────────────────────────── */
.usage-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mid-forest);
  padding-bottom: 12px;
  margin-bottom: 24px;
  border-bottom: 0.5px solid var(--line-on-light);
}
.usage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-on-light);
  border: 0.5px solid var(--line-on-light);
  margin-bottom: 48px;
}
.usage-tile {
  background: var(--parchment);
  padding: 32px 24px 28px;
  display: flex;
  flex-direction: column;
}
.sec--solution .usage-tile { background: #EEEAE0; }
.usage-icon { width: 56px; height: 56px; margin-bottom: 24px; }
.usage-icon svg { width: 100%; height: 100%; display: block; }
.usage-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 8px;
}
.usage-label {
  font-family: var(--sans);
  font-weight: var(--fw-medium);
  font-size: 14px;
  line-height: 1.45;
  color: var(--forest-night);
  margin-bottom: 6px;
}
.usage-sub {
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.55;
  color: var(--fg-3);
}
.usage-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding-top: 32px;
  border-top: 0.5px solid var(--line-on-light);
}
.usage-footer-col p { font-size: 14px; line-height: 1.7; color: var(--fg-2); }
.usage-footer-col .chapter-kicker { margin-bottom: 12px; }
.usage-footer-col .link-arrow { margin-top: 14px; }
@media (max-width: 880px) {
  .usage-grid { grid-template-columns: repeat(2, 1fr); }
  .usage-footer { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 560px) {
  .usage-grid { grid-template-columns: 1fr; }
}

/* ─────────────────────────────────────────────────────────────────
   OPERATIONAL IMAGERY — 4 placeholder slots (Performance, Fixes item 8)
   Awaiting Alex-approved photography; drop real <img> into each .opph.
   ───────────────────────────────────────────────────────────────── */
.opgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; max-width: 1240px; margin: 0 auto; }
.optile { margin: 0; }
.opph {
  position: relative; aspect-ratio: 4 / 5; border-radius: var(--radius-2);
  background: var(--parchment-mid); border: 0.5px dashed rgba(26,58,27,0.30);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; text-align: center; padding: 16px; overflow: hidden;
}
.opph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.opph-t { font-family: var(--sans); font-weight: var(--fw-medium); font-size: 14px; color: var(--forest-night); }
.opph-n { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-3); }
.opgrid .figcap { margin-top: 10px; }
@media (max-width: 880px) { .opgrid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .opgrid { grid-template-columns: 1fr; } }

/* ─────────────────────────────────────────────────────────────────
   SUSTAINABILITY — lifecycle diagram, centred with balanced whitespace
   ───────────────────────────────────────────────────────────────── */
.sustain-cycle { max-width: 1240px; margin: 0 auto; }
.sustain-cycle .split-text { max-width: 60ch; margin: 0 auto 44px; text-align: center; }
.sustain-cycle .split-text .specline { justify-content: center; }
.sustain-diagram {
  position: relative; max-width: 880px; margin: 0 auto;
  aspect-ratio: 16 / 9; background: var(--parchment-mid); border-radius: var(--radius-2);
}
.sustain-diagram .ph-slot, .sustain-diagram img { position: absolute; inset: 0; }
@media (max-width: 880px) {
  .sustain-cycle .split-text { text-align: left; }
  .sustain-cycle .split-text .specline { justify-content: flex-start; }
}