/* Travelpro case study — shared styles */
:root{
  --bg:#FDFCF6; --surface:#F4EFE6; --band:#EFE7DA; --dark:#2B231E; --hero:#5E1620;
  --text:#1C1A17; --muted:#5F5850; --brand:#675144; --brand-deep:#3B2E26;
  --sale:#A3122A; --ok:#2E6B3A; --line:#E7E1D4; --line-strong:#CFC6B6;
  --serif:'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --sans:Inter, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color-scheme: light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--brand)}a:hover{color:var(--text)}
:focus-visible{outline:2px solid #236192;outline-offset:2px}
img,svg{max-width:100%}
.skip{position:absolute;left:-999px;top:8px;background:var(--text);color:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px}

/* top bar */
.topbar{position:sticky;top:0;z-index:50;background:rgba(253,252,246,.96);backdrop-filter:saturate(1.2) blur(6px);border-bottom:1px solid var(--line)}
.topbar .in{max-width:1200px;margin:0 auto;padding:10px 24px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.brandmark{font-family:var(--serif);font-weight:600;font-size:22px;color:var(--brand-deep);text-decoration:none;white-space:nowrap}
.brandmark small{font-family:var(--sans);font-size:13px;font-weight:500;color:var(--muted);margin-left:8px}
.sectionnav{display:flex;gap:4px;overflow-x:auto;flex:1 1 400px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.sectionnav::-webkit-scrollbar{display:none}
.sectionnav a{flex:none;font-size:14px;font-weight:600;color:var(--text);text-decoration:none;padding:8px 10px;border-radius:999px;white-space:nowrap}
.sectionnav a:hover,.sectionnav a[aria-current="true"]{background:var(--surface)}
.btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;border-radius:4px;font-weight:700;text-decoration:none;border:1.5px solid transparent;font-size:15px}
.btn.primary{background:var(--brand);color:#fff}.btn.primary:hover{background:#574337;color:#fff}
.btn.ghost{border-color:var(--brand);color:var(--brand-deep)}.btn.ghost:hover{background:var(--surface)}
.btn.light{background:var(--bg);color:var(--brand-deep)}.btn.outline-light{border-color:#F2D9C9;color:var(--bg)}

/* layout */
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
section.block{padding:72px 0;border-bottom:1px solid var(--line)}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--brand)}
h1,h2,h3{font-family:var(--serif);font-weight:600;color:var(--brand-deep);line-height:1.08;margin:0}
h2{font-size:clamp(32px,4vw,46px);margin:8px 0 14px}
h3{font-size:26px;margin:36px 0 10px}
.lead{font-size:19px;color:#3A332D;max-width:760px;margin:0 0 24px}
p{max-width:760px}
.muted{color:var(--muted)}
.small{font-size:14px}

/* hero */
.hero{background:var(--hero);color:var(--bg)}
.hero .wrap{padding-top:72px;padding-bottom:64px;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:40px;align-items:center}
.hero .eyebrow{color:#F2D9C9}
.hero h1{color:var(--bg);font-size:clamp(40px,6vw,68px);margin:14px 0 18px}
.hero p{color:#F6EDE4;font-size:19px}
.hero .by{font-size:15px;color:#F2D9C9;margin:0 0 26px}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px}
.statgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.stat{border:1px solid #8A3A45;border-radius:8px;padding:18px}
.stat b{display:block;font-family:var(--serif);font-size:42px;line-height:1;color:var(--bg)}
.stat span{font-size:14px;color:#F2D9C9}

/* cards & callouts */
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr))}
.card{background:var(--surface);border-radius:8px;padding:20px}
.card h4{margin:0 0 6px;font-size:17px}
.card p{margin:0;font-size:15px;color:#3A332D}
.num{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;font-size:14px;margin-bottom:10px}
.callout{background:var(--band);border-radius:8px;padding:18px 20px;margin:20px 0;max-width:860px}
.callout.warn{background:#F9ECE7}
.works{display:flex;gap:12px;align-items:flex-start;background:#E9F1E7;border-radius:8px;padding:16px 18px;max-width:860px}

/* tables */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:#fff;margin:16px 0 8px}
table{border-collapse:collapse;width:100%;font-size:14.5px;line-height:1.45}
th,td{text-align:left;vertical-align:top;padding:11px 14px;border-bottom:1px solid #EFE9DD}
thead th{background:var(--surface);font-weight:700;color:var(--brand-deep);position:sticky;top:0;white-space:nowrap}
tbody tr:last-child td{border-bottom:0}
td.n{white-space:nowrap;font-weight:700;color:var(--muted)}
.tag{display:inline-block;font-size:12px;font-weight:700;padding:2px 8px;border-radius:999px;white-space:nowrap}
.tag.must{background:#FBEBEB;color:#8A1325}
.tag.should{background:#F9EEDA;color:#7A4B00}
.tag.nice{background:#E7F1FB;color:#1F4E7A}
.tag.pass{background:#E5F4E4;color:#1E5A2B}
.tag.fail{background:#FBEBEB;color:#8A1325}
.tag.na{background:#F0EFEC;color:#5F5850}

/* filters for findings */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 4px}
.filters button{min-height:40px;padding:0 14px;border-radius:999px;border:1.5px solid var(--line-strong);background:#fff;font:inherit;font-size:14px;font-weight:600;cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff}

/* concept gallery */
.devices{display:flex;flex-wrap:wrap;gap:28px;align-items:flex-end;margin-top:24px}
.device{display:flex;flex-direction:column;gap:10px;text-decoration:none;color:var(--text)}
.device .screen{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line-strong);box-shadow:0 10px 30px rgba(28,26,23,.10)}
.device.phone .screen{width:220px;height:476px;border-radius:26px;border:8px solid #1C1A17}
.device.desk .screen{width:min(540px,86vw);height:338px;border-radius:10px;border-top:22px solid #E7E1D4}
.device iframe{border:0;transform-origin:0 0;pointer-events:none;background:#fff}
.device.phone iframe{width:390px;height:844px;transform:scale(.523)}
.device.desk iframe{width:1440px;height:880px;transform:scale(.375)}
.device span{font-weight:700;font-size:15px}
.device:hover .screen{box-shadow:0 14px 40px rgba(28,26,23,.18)}

/* lists */
.checks{list-style:none;padding:0;margin:0;display:grid;gap:8px;max-width:860px}
.checks li{display:flex;gap:10px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:6px;padding:10px 14px}
.checks li::before{content:"";flex:none;width:16px;height:16px;margin-top:4px;border:2px solid var(--brand);border-radius:3px}
.phase{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr))}
.phase > div h4{margin:0 0 10px;font-size:16px}

/* footer */
footer.site{background:var(--dark);color:#E9DFD3;padding:48px 0}
footer.site a{color:#fff}
footer.site p{margin:0 0 8px}

.grid.five{grid-template-columns:repeat(auto-fit,minmax(min(200px,100%),1fr))}
@media (max-width:860px){
  .topbar .in{gap:4px 12px;padding:8px 16px}
  .topbar .btn{display:none}
  .sectionnav{flex-basis:100%}
  .hero .wrap{grid-template-columns:1fr;padding-top:48px}
  section.block{padding:52px 0}
  .brandmark small{display:none}
}
@media print{.topbar,.filters{display:none}section.block{break-inside:avoid-page}}