/* Travelpro case study — shared styles */
:root{
  --bg:#FAFAFC; --surface:#EEF0F7; --band:#E6E9F4; --dark:#111850; --hero:#172165;
  --text:#15172B; --muted:#595959; --brand:#C8281C; --brand-deep:#172165;
  --sale:#C8281C; --ok:#15803D; --line:#E3E5EE; --line-strong:#C9CCDA;
  --serif:Poppins, Inter, system-ui, sans-serif;
  --sans:Poppins, 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:700;font-size:19px;letter-spacing:-.2px;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.scrolls{-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 40px),transparent);mask-image:linear-gradient(90deg,#000 calc(100% - 40px),transparent)}
.sectionnav.scrolls.at-end{-webkit-mask-image:none;mask-image:none}
.sectionnav a{flex:none;font-size:13.5px;font-weight:600;color:var(--text);text-decoration:none;padding:8px 8px;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:#A82014;color:#fff}
.btn.ghost{border-color:var(--brand);color:var(--brand-deep)}.btn.ghost:hover{background:var(--surface)}
.btn.light{background:#fff;color:var(--brand-deep)}.btn.outline-light{border-color:#C9D1FF;color:#fff}

/* 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:700;color:var(--brand-deep);line-height:1.12;margin:0;text-wrap:balance;letter-spacing:-.4px}
h2{font-size:clamp(28px,3.4vw,40px);margin:8px 0 14px}
h3{font-size:22px;margin:36px 0 10px}
.lead{font-size:18px;color:#2A2D45;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:#C9D1FF}
.hero h1{color:#fff;font-size:clamp(34px,4.8vw,56px);margin:14px 0 18px}
.hero p{color:#E4E8FF;font-size:18px}
.hero .by{font-size:15px;color:#C9D1FF;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 #3B46A0;border-radius:8px;padding:18px;background:rgba(255,255,255,.04)}
.stat b{display:block;font-family:var(--serif);font-weight:700;font-size:38px;line-height:1;color:#fff}
.stat span{font-size:14px;color:#C9D1FF}

/* 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:#2A2D45}
.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:#FDECEA}
.works{display:flex;gap:12px;align-items:flex-start;background:#E6F4EA;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:grid;gap:40px;margin-top:28px}
.devpair{display:flex;gap:28px;align-items:flex-end;justify-content:center;flex-wrap:wrap}
.devpair h3{flex:1 0 100%;margin:0;text-align:center;font-size:24px}
.desk-note{display:none}
.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 #111850}
.device.desk .screen{width:640px;height:400px;border-radius:10px;border-top:22px solid #DDE1EE}
.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(.4444)}
.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;counter-reset:step}
.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{counter-increment:step}
.checks li::before{content:counter(step);flex:none;width:24px;height:24px;margin-top:1px;border-radius:50%;background:var(--surface);color:var(--brand-deep);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
.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:#E4E8FF;padding:48px 0;box-shadow:0 60px 0 0 var(--dark)}
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}
}
/* hero phone */
.heroshot{justify-self:center;display:block;width:290px;border:11px solid #0B103A;border-radius:40px;overflow:hidden;background:#fff;box-shadow:0 24px 60px rgba(0,0,0,.35);text-decoration:none}
.heroshot img{display:block;width:100%;height:auto}
.heroshot+.cap{display:block;text-align:center;color:#C9D1FF;font-size:14px;margin-top:12px}
.statgrid.evidence .stat b{font-size:40px}
.statgrid.evidence .stat span{display:block;margin-top:6px;line-height:1.4}

/* before and after */
.ba{display:grid;gap:56px;margin-top:28px}
.ba-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,1.1fr);gap:28px;align-items:start}
.ba figure{margin:0}
.ba .shot{border:1px solid var(--line-strong);border-radius:22px;overflow:hidden;background:#fff;box-shadow:0 10px 30px rgba(28,26,23,.10)}
.ba .shot.strip{border-radius:10px}
.ba .shot img{display:block;width:100%;height:auto}
.ba figcaption{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--muted);margin-bottom:10px;text-transform:uppercase;letter-spacing:1px}
.ba figcaption .dotc{width:10px;height:10px;border-radius:50%;background:var(--sale)}
.ba figure.after figcaption .dotc{background:var(--ok)}
.ba .why h3{margin:0 0 10px;font-size:30px}
.ba .why p{font-size:16px;margin:0 0 12px}
.ba .why .tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:4px}
.ba .shot img{max-height:none}

/* opportunity calculator */
.calc{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:28px;align-items:stretch;margin-top:20px}
.calc form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px}
.calc label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600}
.calc .field{display:flex;align-items:center;border:1.5px solid var(--line-strong);border-radius:6px;background:#fff;height:48px;padding:0 12px;gap:6px}
.calc .field:focus-within{border-color:var(--brand)}
.calc input{border:0;outline:0;font:inherit;font-size:17px;width:100%;min-width:0;background:transparent;-webkit-user-select:text;user-select:text}
.calc .unit{color:var(--muted);font-weight:500}
.calc .out{background:var(--dark);color:var(--bg);border-radius:10px;padding:28px;display:flex;flex-direction:column;justify-content:center;gap:6px}
.calc .out b{font-family:var(--serif);font-weight:700;font-size:clamp(40px,5vw,56px);line-height:1;color:#fff}
.calc .out .line{color:#E4E8FF;font-size:16px}
.calc .out .sub{color:#C9D1FF;font-size:14px;margin-top:10px}

/* about me */
.about{background:var(--dark);color:#E4E8FF}
.about .wrap{padding-top:72px;padding-bottom:72px;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:48px;align-items:start}
.about h2{color:var(--bg)}
.about .eyebrow{color:#C9D1FF}
.about p{color:#E4E8FF;font-size:17px}
.about ul{list-style:none;margin:0 0 24px;padding:0;display:grid;gap:10px}
.about ul li{border-left:3px solid #FF4536;padding:2px 0 2px 14px}
.about ul li b{color:#fff}
.about .plan{background:#1E2878;border-radius:10px;padding:24px}
.about .plan h3{color:var(--bg);font-size:26px;margin:0 0 14px}
.about .plan ol{margin:0;padding-left:20px;display:grid;gap:12px;color:#E4E8FF}
.about .plan ol b{color:#fff}
.about .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.about + footer.site{border-top:1px solid #26307A}

/* phones */
@media (max-width:1100px){
  .ba-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .ba .why{grid-column:1 / -1;grid-row:1}
}
@media (max-width:860px){
  .about .wrap,.calc{grid-template-columns:1fr}
  .about .wrap{padding-top:52px;padding-bottom:52px;gap:28px}
  .heroshot{width:230px}
  .statgrid.evidence .stat b{font-size:32px}
}
@media (max-width:720px){
  .devpair .device.desk{display:none}
  .desk-note{display:block;text-align:center;font-size:15px;color:var(--muted);margin:-12px 0 0}
  .device.phone .screen{width:200px;height:433px}
  .device.phone iframe{transform:scale(.4718)}
  .ba-row{gap:12px}
  .ba .shot{border-radius:14px}
  .calc form{grid-template-columns:1fr;padding:18px}
  /* tables become stacked cards */
  .tablewrap.stack{border:0;background:transparent;overflow:visible}
  .stack table,.stack tbody,.stack tr,.stack td{display:block;width:100%}
  .stack thead{display:none}
  .stack tr{background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px 14px;margin-bottom:10px}
  .stack tr[hidden]{display:none}
  .stack td{border:0;padding:3px 0;display:grid;grid-template-columns:96px minmax(0,1fr);gap:10px}
  .stack td::before{content:attr(data-label);font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.6px;padding-top:2px}
  .stack td:empty{display:none}
  .stack td.n{font-size:15px}
}
@media print{.topbar,.filters{display:none}section.block{break-inside:avoid-page}}