/* ============================================================
   Garilla — case-study detail pages · shared styles (LIGHT theme)
   Used by: rob-mayes / chichester / ella-rose / crown-estate
   ============================================================ */
:root {
  --bg: #F5F2EC;
  --bg-2: #ECE7DB;
  --panel: #EBE4D4;
  --fg: #1A1712;
  --fg-soft: rgba(26,23,18,0.72);
  --muted: rgba(26,23,18,0.52);
  --line: rgba(156,122,52,0.24);
  --line-strong: rgba(156,122,52,0.42);
  --accent: #9C7A34;
  --maxw: 1340px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --serif: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --sans: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "Space Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}
/* Dark nav bar + photo posters keep light text (custom props inherit). */
header.nav, .reel {
  color: #FFFFFF;
  --fg: #FFFFFF; --fg-soft: rgba(255,255,255,0.74); --muted: rgba(255,255,255,0.55);
  --line: rgba(255,255,255,0.16); --line-strong: rgba(255,255,255,0.30);
  --accent: #C8A96E;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--sans); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; min-height: 100vh; }
::selection { background: var(--accent); color: #1a1305; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.grain { position: fixed; inset: 0; z-index: 9000; pointer-events: none; opacity: 0.05; mix-blend-mode: overlay; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 0.28em; text-transform: uppercase; color: var(--muted); font-weight: 400; display: inline-flex; align-items: center; gap: 0.8em; }
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--accent); display: inline-block; }
.display { font-family: var(--serif); font-weight: 700; line-height: 0.98; letter-spacing: -0.03em; margin: 0; text-wrap: balance; }

/* nav */
header.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(10,10,10,0.82); backdrop-filter: blur(14px) saturate(1.1); border-bottom: 1px solid var(--line); }
.nav__inner { max-width: var(--maxw); margin: 0 auto; padding: 20px 32px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-family: var(--serif); font-size: 25px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; }
.brand__sub { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.42em; text-transform: uppercase; color: var(--muted); margin-top: 6px; padding-left: 0.2em; }
.links { display: flex; align-items: center; gap: 26px; }
.link { font-size: 13px; letter-spacing: 0.04em; color: var(--fg-soft); position: relative; padding: 4px 0; transition: color 0.3s; white-space: nowrap; }
.link::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform 0.4s var(--ease); }
.link:hover { color: var(--fg); }
.link:hover::after, .link[aria-current="page"]::after { transform: scaleX(1); }
.link[aria-current="page"] { color: var(--fg); }
.btn-enquire { font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--fg); border: 1px solid var(--line-strong); padding: 11px 20px; border-radius: 999px; transition: all 0.35s var(--ease); white-space: nowrap; }
.btn-enquire:hover { background: var(--accent); border-color: var(--accent); color: #1a1305; }

.shell { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }

/* case-study header */
.cshead { padding: clamp(126px, 16vh, 190px) 0 0; }
.back { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); display: inline-flex; align-items: center; gap: 9px; margin-bottom: 34px; transition: color 0.3s; }
.back:hover { color: var(--accent); }
.cshead .cs__index { margin-top: 0; }
.cs__index { font-family: var(--mono); font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent); }
h1.cs__title { font-family: var(--serif); font-size: clamp(38px, 5.6vw, 78px); font-weight: 700; letter-spacing: -0.03em; line-height: 0.98; margin: 18px 0 0; max-width: 18ch; text-wrap: balance; }
.cs__sub { font-size: clamp(18px, 2vw, 24px); color: var(--fg-soft); margin: 22px 0 0; max-width: 46ch; line-height: 1.45; }

/* media / player */
.cs__media { position: relative; margin: clamp(36px, 4vw, 56px) 0 0; border: 1px solid var(--line); overflow: hidden; background: var(--bg); }
.cs__media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16 / 9; }
.reel { position: relative; aspect-ratio: 16 / 9; cursor: pointer; overflow: hidden; background: #0c0c0c; }
.reel__poster { position: absolute; inset: 0; }
.reel__poster img { width: 100%; height: 100%; object-fit: cover; }
.reel__scrim { position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,10,10,0.55), transparent 58%); }
.reel__play { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 74px; height: 74px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.65); background: rgba(10,10,10,0.32); backdrop-filter: blur(4px); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background 0.3s var(--ease), border-color 0.3s var(--ease); }
.reel:hover .reel__play { background: var(--accent); border-color: var(--accent); }
.reel__play .tri { width: 0; height: 0; border-left: 18px solid #fff; border-top: 11px solid transparent; border-bottom: 11px solid transparent; margin-left: 5px; transition: border-left-color 0.3s var(--ease); }
.reel:hover .reel__play .tri { border-left-color: #1a1305; }
.reel__label { position: absolute; left: 18px; bottom: 14px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: #fff; z-index: 2; }
.reel iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* meta + body */
.cs__grid { display: grid; grid-template-columns: 300px 1fr; gap: clamp(28px, 5vw, 72px); margin: clamp(40px, 5vw, 64px) 0 0; align-items: start; }
.cs__meta { display: flex; flex-direction: column; gap: 24px; }
.cs__meta .row .k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }
.cs__meta .row .v { font-size: 15px; color: var(--fg-soft); margin-top: 8px; line-height: 1.6; }
.cs__meta .row .v ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 6px; }
.cs__meta .row .v li { padding-left: 16px; position: relative; }
.cs__meta .row .v li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }
.cs__body h3 { font-size: 13px; font-family: var(--mono); letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin: 0 0 12px; }
.cs__body .blk { margin: 0 0 30px; }
.cs__body p { font-size: clamp(16px, 1.25vw, 18px); color: var(--fg-soft); line-height: 1.75; margin: 0; max-width: 64ch; }
.cs__body p + p { margin-top: 14px; }
.cs__quote { border-left: 2px solid var(--accent); padding: 4px 0 4px 26px; margin: 4px 0 0; }
.cs__quote p { font-size: clamp(20px, 2.2vw, 28px); color: var(--fg); line-height: 1.4; font-weight: 500; }
.cs__quote .by { font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-top: 16px; }
.cs__figure { margin: 24px 0 0; max-width: 300px; }
.cs__figure img { width: 100%; border: 1px solid var(--line); display: block; }
.cs__figure figcaption { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; color: var(--muted); margin-top: 12px; line-height: 1.5; }

/* gallery + lightbox */
.cs__gallery { margin: clamp(40px, 5vw, 64px) 0 0; }
.cs__gallery h3 { font-size: 13px; font-family: var(--mono); letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin: 0 0 22px; }
.masonry { columns: 3; column-gap: 12px; }
.masonry img { width: 100%; margin: 0 0 12px; display: block; break-inside: avoid; border: 1px solid var(--line); cursor: zoom-in; transition: filter 0.4s var(--ease); }
.masonry img:hover { filter: brightness(1.08); }
.lightbox { position: fixed; inset: 0; z-index: 9500; background: rgba(6,6,6,0.94); display: none; align-items: center; justify-content: center; padding: 4vh 4vw; cursor: zoom-out; }
.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 92vh; object-fit: contain; box-shadow: 0 30px 80px rgba(0,0,0,0.6); }
.lightbox__close { position: absolute; top: 22px; right: 26px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: #fff; }

/* photo essay (photo-only case studies) */
.essay { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.essay figure { margin: 0; }
.essay img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border: 1px solid var(--line); display: block; cursor: zoom-in; transition: filter 0.4s var(--ease); }
.essay img:hover { filter: brightness(1.08); }
.essay figcaption { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); margin-top: 9px; }
.essay figcaption b { font-weight: 400; color: var(--accent); }
@media (max-width: 900px) { .essay { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .essay { grid-template-columns: 1fr; } }

/* section wrapper */
.csmain { padding-bottom: clamp(70px, 8vw, 120px); }

/* prev / next pager */
.pager { border-top: 1px solid var(--line); }
.pager__grid { display: grid; grid-template-columns: 1fr 1fr; }
.pager a { padding: clamp(30px, 4vw, 50px) 32px; display: flex; flex-direction: column; gap: 10px; transition: background 0.4s var(--ease); }
.pager a:hover { background: var(--bg-2); }
.pager a + a { border-left: 1px solid var(--line); text-align: right; align-items: flex-end; }
.pager .k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }
.pager .t { font-family: var(--serif); font-weight: 700; font-size: clamp(19px, 2.2vw, 28px); letter-spacing: -0.02em; line-height: 1.1; }
.pager a:hover .t { color: var(--accent); }

/* cta band */
.ctaband { padding: clamp(72px, 9vw, 130px) 0; text-align: center; border-top: 1px solid var(--line); }
.ctaband h2 { font-size: clamp(34px, 5.5vw, 78px); max-width: 18ch; margin: 14px auto 0; }
.ctaband p { color: var(--fg-soft); font-size: 18px; max-width: 48ch; margin: 24px auto 0; }
.cta { display: inline-flex; align-items: center; gap: 12px; margin-top: 38px; font-family: var(--mono); font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase; color: #1a1305; background: var(--accent); border: 1px solid var(--accent); border-radius: 999px; padding: 17px 38px; transition: transform 0.3s var(--ease), filter 0.3s var(--ease); }
.cta:hover { transform: translateY(-2px); filter: brightness(1.06); }

footer.foot { border-top: 1px solid var(--line); padding: 30px 0; }
.foot__inner { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.foot__inner, .foot__inner * { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.foot__inner a:hover { color: var(--fg); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

@media (max-width: 900px) {
  .nav__inner { flex-wrap: wrap; gap: 14px 18px; }
  .links { order: 3; width: 100%; gap: 14px 18px; flex-wrap: wrap; }
  .btn-enquire { display: none; }
  .cs__grid { grid-template-columns: 1fr; gap: 32px; }
  .cs__meta { flex-direction: row; flex-wrap: wrap; gap: 24px 40px; }
}
@media (max-width: 760px) { .masonry { columns: 2; } }
@media (max-width: 560px) {
  .shell, .nav__inner, .foot__inner { padding-left: 20px; padding-right: 20px; }
  .pager__grid { grid-template-columns: 1fr; }
  .pager a + a { border-left: 0; border-top: 1px solid var(--line); text-align: left; align-items: flex-start; }
}
@media (max-width: 480px) { .masonry { columns: 1; } }