/* Halden case study pages (built on tokens.css) */
/* Layout: 1160px column; editorial serif headlines over the product's own UI system. */
:root { --col: 1160px; --gut: clamp(16px, 4vw, 40px); }
body { background: var(--bg); }
.wrap { max-width: calc(var(--col) + var(--gut) * 2); margin-inline: auto; padding-inline: var(--gut); }
.serif { font-family: var(--font-display); font-weight: 400; letter-spacing: -0.02em; }
.eyebrow { font-size: 12px; font-weight: 750; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); display: inline-flex; gap: 10px; align-items: center; }
.eyebrow i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-bright); }

.cnav { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid var(--line); }
.cnav .wrap { display: flex; align-items: center; gap: 24px; height: 60px; }
.cnav .brand { padding: 0; display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -0.03em; font-size: 16px; white-space: nowrap; }
.cnav .brand svg { width: 24px; height: 24px; }
.cnav .brand span { color: var(--ink-3); font-weight: 600; }
.cnav nav { display: flex; gap: 2px; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
.cnav nav a { padding: 7px 12px; border-radius: 8px; font-size: 13.5px; font-weight: 650; color: var(--ink-2); white-space: nowrap; transition: background var(--motion-base), color var(--motion-base); }
.cnav nav a:hover { background: var(--surface-2); color: var(--ink); }
.cnav nav a[aria-current="page"] { color: var(--ink); background: var(--surface); box-shadow: var(--shadow-1), 0 0 0 1px var(--line); }
.cnav .icon-btn { width: 36px; height: 36px; border-radius: 9px; border: 0; background: transparent; color: var(--ink-2); display: grid; place-items: center; flex: none; }
.cnav .icon-btn:hover { background: var(--surface-2); color: var(--ink); }
.cnav .icon-btn svg { width: 18px; height: 18px; }
@media (max-width: 760px) { .cnav .brand span { display: none; } .cnav .wrap { gap: 8px; } .cnav nav a { padding: 7px 8px; font-size: 13px; } .cnav .proto-link { display: none; } }

.sec { padding-block: clamp(64px, 8vw, 104px); }
.sec + .sec { border-top: 1px solid var(--line); }
.sec-h { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px 56px; align-items: end; margin-bottom: clamp(32px, 5vw, 56px); }
.sec-h h2 { font-size: clamp(30px, 3.6vw, 46px); line-height: 1.05; letter-spacing: -0.03em; }
.sec-h p { color: var(--ink-2); font-size: 17px; line-height: 1.6; max-width: 54ch; }
@media (max-width: 820px) { .sec-h { grid-template-columns: 1fr; align-items: start; } }
.lede { font-size: clamp(17px, 1.6vw, 20px); color: var(--ink-2); line-height: 1.55; max-width: 60ch; font-weight: 550; }

.page-hero { padding-block: clamp(56px, 8vw, 96px) clamp(40px, 5vw, 64px); }
.page-hero h1 { font-size: clamp(40px, 5.6vw, 72px); line-height: 1.02; letter-spacing: -0.035em; max-width: 16ch; margin-top: 20px; }
.page-hero .lede { margin-top: 22px; }

.browser { border-radius: 14px; border: 1px solid var(--line-2); background: var(--surface); box-shadow: var(--shadow-3); overflow: hidden; }
.browser .bar { display: flex; align-items: center; gap: 8px; height: 36px; padding: 0 14px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.browser .bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); }
.browser .bar span { margin-left: 10px; font-size: 12px; color: var(--ink-3); font-weight: 600; }
.browser img { width: 100%; display: block; }
.shot-img { border-radius: 12px; border: 1px solid var(--line); box-shadow: var(--shadow-2); width: 100%; display: block; background: var(--surface-2); }

.foot { border-top: 1px solid var(--line); padding-block: 40px; }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; font-size: 13px; color: var(--ink-3); font-weight: 600; }
.next-links { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 900px) { .next-links { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .next-links { grid-template-columns: 1fr; } }
.next-links a { padding: 20px; border-radius: 16px; border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow-1); display: grid; gap: 6px; transition: transform var(--motion-base) var(--ease-out), box-shadow var(--motion-base), border-color var(--motion-base); }
.next-links a:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); border-color: var(--line-2); }
.next-links b { font-size: 15.5px; display: flex; justify-content: space-between; align-items: center; }
.next-links span { font-size: 13.5px; color: var(--ink-3); font-weight: 600; }
.next-links a.primary { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.next-links a.primary span { color: color-mix(in srgb, var(--surface) 65%, transparent); }

@media (max-width: 860px), (hover: none) {
  .cnav { background: var(--bg); backdrop-filter: none; -webkit-backdrop-filter: none; }
  .hero::before { display: none; }
}