/* Shared site chrome + reusable page patterns. Link AFTER tokens.css + components.css.
   Nav and footer markup are injected by site.js; these are their styles. */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }
.section { padding: var(--space-8) 0; }
.section--tight { padding: var(--space-6) 0; }
.measure { max-width: 46ch; }
.measure-wide { max-width: 60ch; }
.stack > * + * { margin-top: var(--space-4); }

/* ---------- Sticky frosted nav (§3.6) ---------- */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 50; display: flex; align-items: center;
  justify-content: space-between; gap: var(--space-5); padding: var(--space-4) var(--space-5);
  height: 88px; transition: height var(--motion-fast) var(--ease-out),
    background-color var(--motion-fast) var(--ease-out), box-shadow var(--motion-fast) var(--ease-out); }
.nav.is-frosted { height: 64px; background: rgba(231, 222, 211, 0.82);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) { .nav.is-frosted { background: var(--c-sandstone); } }
.nav__logo { display: inline-flex; }
.nav__logo img { display: block; height: 36px; width: auto; }
.nav__logo .logo--light { display: none; }
.nav.is-frosted .nav__logo .logo--dark { display: none; }
.nav.is-frosted .nav__logo .logo--light { display: block; }
.nav__logo:focus-visible { outline: 2px solid var(--focus); outline-offset: 4px; border-radius: var(--radius-sm); }
.nav__links { display: flex; align-items: center; gap: var(--space-5); list-style: none; margin: 0; padding: 0; }
.nav__link { font-family: var(--font-body); font-weight: var(--weight-medium); font-size: 0.95rem;
  color: var(--c-sandstone); text-decoration: none; cursor: pointer; display: inline-flex; align-items: center; gap: 4px;
  white-space: nowrap; background: none; border: 0; padding: 4px 0; line-height: 1;
  transition: opacity var(--motion-fast) var(--ease-out), color var(--motion-fast) var(--ease-out); }
.nav.is-frosted .nav__link { color: var(--c-evergreen); }
.nav__link:hover { opacity: 0.7; }
.nav__link:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; border-radius: var(--radius-sm); }
.nav__caret { font-size: 0.7em; opacity: 0.7; transition: transform var(--motion-fast) var(--ease-out); }
.nav__trigger[aria-expanded="true"] .nav__caret { transform: rotate(180deg); }
.nav__item { position: relative; }
.nav__menu { position: absolute; top: 100%; left: 0; margin-top: var(--space-3); background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--elev-3); padding: var(--space-2);
  min-width: 184px; list-style: none; opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity var(--motion-fast) var(--ease-out), transform var(--motion-fast) var(--ease-out), visibility var(--motion-fast); }
.nav__item:hover > .nav__menu, .nav__trigger[aria-expanded="true"] + .nav__menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__menu a { display: block; padding: var(--space-2) var(--space-3); border-radius: var(--radius-md); color: var(--c-evergreen); text-decoration: none; font-size: 0.95rem; }
.nav__menu a:hover { background: rgba(15, 42, 36, 0.06); }
.nav__menu a:focus-visible { outline: 2px solid var(--focus); outline-offset: -2px; }
.nav__right { display: flex; align-items: center; gap: var(--space-4); }
.nav__cta { font-size: 0.95rem; padding: 10px 18px; background: var(--c-sandstone); color: var(--c-evergreen); }
.nav__cta:hover { background: var(--surface-hover); }
.nav.is-frosted .nav__cta { background: var(--c-evergreen); color: var(--c-sandstone); }
.nav.is-frosted .nav__cta:hover { background: var(--evergreen-hover); }
.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav__toggle span { display: block; width: 24px; height: 2px; background: var(--c-sandstone);
  transition: transform var(--motion-fast) var(--ease-out), opacity var(--motion-fast) var(--ease-out), background-color var(--motion-fast) var(--ease-out); }
.nav.is-frosted .nav__toggle span { background: var(--c-evergreen); }
.nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav__toggle:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: var(--radius-sm); }

/* ---------- Page header band ---------- */
.page-head { padding: calc(88px + var(--space-8)) 0 var(--space-8); }
.page-head .eyebrow { color: var(--c-mist); }
.page-head h1 { margin-top: var(--space-3); font-size: clamp(2.25rem, 1.4rem + 3vw, 3.25rem); line-height: 1.06; }
.page-head p { margin-top: var(--space-4); color: var(--c-sandstone); opacity: 0.92; }

/* ---------- Editorial text + image split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); align-items: center; }
.split__text { max-width: 50ch; }
.split__media { margin: 0; }
.split--reverse .split__media { order: -1; }
.split__media img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: var(--radius-lg); box-shadow: var(--elev-1); display: block; }
.split__caption { margin-top: var(--space-4); color: var(--text-muted); font-size: var(--text-caption); }
.surface-dark .split__caption { color: var(--c-mist); }
/* proof-read.jpg is cool/blue-lit — on sandstone, let ~10% of the warm ground bleed through so it settles into the palette */
.surface-light .split__media img[src*="proof-read"] { opacity: 0.9; }
.section__head { margin-bottom: var(--space-4); }

/* ---------- Footer (§3.8) ---------- */
.footer { padding: var(--space-8) 0 var(--space-5); }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--space-6); }
.footer__logo img { height: 30px; width: auto; display: block; margin-bottom: var(--space-4); }
.footer__pos { color: var(--c-sandstone); opacity: 0.82; max-width: 32ch; font-size: 0.95rem; }
.footer__col h4 { font-family: var(--font-body); font-size: var(--text-overline); letter-spacing: var(--track-overline);
  line-height: 1.3; text-transform: uppercase; color: var(--c-mist); margin: 0 0 var(--space-3); font-weight: var(--weight-semibold); }
.footer__col ul { list-style: none; margin: 0; padding: 0; }
.footer__col li + li { margin-top: var(--space-2); }
.footer__col a { color: var(--c-sandstone); opacity: 0.85; text-decoration: none; font-size: 0.95rem; }
.footer__col a:hover { opacity: 1; }
.footer__col a:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: var(--radius-sm); }
.footer__legal { margin-top: var(--space-8); padding-top: var(--space-5); border-top: 1px solid rgba(231,222,211,0.16);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3); }
.footer__legal p { margin: 0; color: var(--c-sandstone); opacity: 0.62; font-size: var(--text-caption); max-width: 60ch; }

/* ---------- Scroll reveal (§3.7) — only hides content when JS present ---------- */
.reveal { transition: opacity var(--motion-reveal) var(--ease-out), transform var(--motion-reveal) var(--ease-out); }
html.js .reveal { opacity: 0; transform: translateY(14px); }
html.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } html.js .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- "Listen" — branded SoundCloud player card ---------- */
.mix { width: 100%; max-width: 760px; margin-left: auto; margin-right: auto; padding: var(--space-5); }
.mix .eyebrow { color: var(--c-evergreen); }
.mix__cap { margin: var(--space-2) 0 var(--space-4); color: var(--text-body-light); max-width: 62ch; }
.mix iframe { display: block; width: 100%; }
.mix__credit { margin-top: var(--space-3); font-size: var(--text-caption); line-height: 1.5; }
.mix__credit, .mix__credit a { color: var(--text-muted); text-decoration: none; }
.mix__credit a:hover { text-decoration: underline; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav__toggle { display: inline-flex; }
  .nav__links { flex-direction: column; align-items: flex-start; gap: var(--space-2); position: fixed; top: 64px; left: 0; right: 0;
    background: var(--c-sandstone); padding: var(--space-5); border-bottom: 1px solid var(--border); box-shadow: var(--elev-3);
    transform: translateY(-8px); opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity var(--motion-fast) var(--ease-out), transform var(--motion-fast) var(--ease-out), visibility var(--motion-fast); }
  .nav.is-open .nav__links { transform: none; opacity: 1; visibility: visible; pointer-events: auto; }
  .nav__item { width: 100%; }
  .nav__link { color: var(--c-evergreen); font-size: 1.05rem; }
  .nav__menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none;
    background: transparent; min-width: 0; margin: var(--space-1) 0 0; padding: 0 0 0 var(--space-4); }
  .nav__menu a { opacity: 0.85; }
  .split { grid-template-columns: 1fr; gap: var(--space-5); }
  .split--reverse .split__media { order: 0; }
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-6); }
}