/* ============================================================
   Sustainability subpage.
   Loaded after styles.css (tokens available).
   ============================================================ */

.page-hero { padding: calc(var(--header-h) + 3.5rem) 0 2.8rem; }
.page-hero__back {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft); margin-bottom: 1.6rem; transition: gap 0.25s var(--ease-soft), color 0.2s;
}
.page-hero__back:hover { gap: 0.85rem; color: var(--amber-link); }
.page-hero h1 { font-size: clamp(2.6rem, 6.5vw, 4.8rem); font-weight: 500; letter-spacing: -0.01em; }
.page-hero p { max-width: 60ch; font-size: 1.06rem; margin: 1.3rem 0 0; }

/* ---- approach ---- */
.approach { padding: clamp(2rem, 4vw, 3rem) 0 clamp(3.5rem, 7vw, 6rem); }
.approach__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.approach__lead { font-family: var(--font-serif); font-weight: 500; font-size: clamp(1.5rem, 3vw, 2.1rem); line-height: 1.2; color: var(--ink); margin: 0; letter-spacing: -0.005em; }
.approach__body p { margin: 0 0 1.2rem; }
.approach__body p:last-child { margin: 0; }

/* ---- pillars ---- */
.pillars { padding-bottom: clamp(3.5rem, 7vw, 6rem); }
.pillars__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.pillar { padding: 2.2rem 2rem 0 0; border-top: 1px solid var(--line); }
.pillar + .pillar { padding-left: 2.2rem; border-left: 1px solid var(--line); }
.pillar h3 { font-size: 1.6rem; font-weight: 500; margin: 0 0 0.9rem; line-height: 1.14; }
.pillar p { font-size: 0.96rem; margin: 0 0 2rem; }

/* ---- MSC feature band ---- */
.msc { background: var(--bg-2); }
.msc__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; align-items: stretch; min-height: clamp(360px, 46vw, 520px); }
.msc__text { padding: clamp(3rem, 6vw, 5.5rem) clamp(1.5rem, 5vw, 4rem) clamp(3rem, 6vw, 5.5rem) 0; align-self: center; }
.msc__text .eyebrow { color: var(--ink-soft); }
.msc__text h2 { font-size: clamp(2rem, 4.4vw, 3.1rem); font-weight: 500; margin: 0 0 1.3rem; letter-spacing: -0.01em; }
.msc__text p { margin: 0 0 1.1rem; }
.msc__text p:last-child { margin: 0; }
.msc__media { position: relative; overflow: hidden; }
.msc__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

/* ---- transparency act ---- */
.transp { padding: clamp(4rem, 8vw, 7rem) 0; }
.transp__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.transp__head h2 { font-size: clamp(2rem, 4.4vw, 3rem); font-weight: 500; margin: 0; letter-spacing: -0.01em; }
.transp__head .eyebrow { margin-bottom: 1.1rem; }
.transp__body p { margin: 0 0 1.2rem; }
.transp__body p:last-child { margin: 0 0 1.8rem; }
.btn-download {
  display: inline-flex; align-items: center; gap: 0.7rem;
  font-family: var(--font-body); font-size: 0.76rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--paper);
  background: var(--ink); border: 1.5px solid var(--ink); border-radius: 2px; padding: 0.95rem 1.7rem;
  transition: background 0.25s, color 0.25s, gap 0.25s var(--ease-soft);
}
.btn-download:hover { background: transparent; color: var(--ink); gap: 0.95rem; }
.btn-download .ic { font-size: 1rem; line-height: 1; }
.transp__meta { font-size: 0.85rem; color: var(--ink-faint); margin-top: 1rem; }

/* reveal */
/* .reveal is defined once in styles.css — no per-page override. */
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

@media (max-width: 860px) {
  .approach__grid, .transp__grid { grid-template-columns: 1fr; }
  .pillars__grid { grid-template-columns: 1fr; }
  .pillar { padding: 2rem 0 0; }
  .pillar + .pillar { padding-left: 0; border-left: 0; }
  .msc__grid { grid-template-columns: 1fr; }
  .msc__text { padding: clamp(2.5rem,7vw,3.5rem) 0; }
  .msc__media { min-height: 300px; }
}