/* ===== Case study shared styles (themeable) ===== */
:root{
  --bg:#FBF7F5; --ink:#3A2A32; --sub:#76616C; --card:#FFFFFF; --border:#EFE3E9;
  --accent:#B25578; --accent2:#D87C9F; --soft:#FAEDF2; --band:#F7ECEE; --hero-a:#F7ECEE; --hero-b:#FAEDF2;
  --disp:'Fraunces',serif; --body:'Figtree',sans-serif; --pos:#2FA86A; --neg:#D6486B;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{background:var(--bg);font-family:var(--body);color:var(--ink);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}

/* nav */
.nav{position:sticky;top:0;z-index:100;background:rgba(251,248,243,0.82);backdrop-filter:blur(14px);border-bottom:1px solid #F8E6EC}
.nav-inner{max-width:1440px;margin:0 auto;padding:18px 100px;display:flex;justify-content:space-between;align-items:center}
.nav-logo{font-family:"Fraunces",Georgia,serif;font-weight:700;font-size:1.35rem;color:#B25578;letter-spacing:-.01em}
.nav-logo span{color:#D87C9F}
.nav-links{display:flex;gap:38px;list-style:none;font-weight:600;font-size:.98rem}
.nav-links a{color:#76616C;font-family:"Figtree",sans-serif}
.nav-links a:hover{color:#B25578}

.wrap{max-width:1440px;margin:0 auto;padding:0 100px}
.section{margin-top:72px}

/* hero */
.hero{border-radius:32px;padding:64px;background:linear-gradient(135deg,var(--hero-a),var(--hero-b));margin-top:40px;position:relative;overflow:hidden}
.hero-inner{position:relative;z-index:2;max-width:900px}
.hero-tag{display:inline-block;background:rgba(255,255,255,.7);color:var(--accent);font-weight:800;font-size:13px;letter-spacing:.06em;padding:9px 18px;border-radius:999px;text-transform:uppercase}
.hero h1{font-family:var(--disp);font-weight:600;font-size:64px;line-height:1.06;color:var(--ink);margin:22px 0 0;letter-spacing:-.02em}
.hero .lead-accent{font-family:var(--disp);font-weight:600;font-size:26px;color:var(--accent);margin-top:16px;line-height:1.3}
.hero .lead{font-size:19px;line-height:1.6;color:var(--sub);margin-top:16px;max-width:820px}
.hero-meta{display:flex;gap:0;margin-top:34px;flex-wrap:wrap}
.hero-meta>div{flex:1;min-width:150px}
.hero-meta .k{font-weight:800;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);opacity:.85}
.hero-meta .v{font-weight:700;font-size:16px;color:var(--ink);margin-top:5px}
.hero-blob{position:absolute;border-radius:50%;z-index:1}

/* section head */
.shead{display:flex;align-items:center;gap:16px;margin-bottom:8px}
.shead .num{background:var(--accent);color:#fff;font-weight:700;font-size:14px;padding:6px 13px;border-radius:14px}
.shead h2{font-family:var(--disp);font-weight:600;font-size:34px;color:var(--ink);letter-spacing:-.01em}
.srule{height:2px;background:var(--border);border:none;margin-bottom:26px}
.sub{font-family:var(--disp);font-weight:600;font-size:23px;color:var(--ink);margin-bottom:6px}
.intro{font-size:18px;line-height:1.62;color:var(--sub);margin-bottom:22px;max-width:1000px}

/* cards */
.card{background:var(--card);border:1px solid var(--border);border-radius:22px;padding:30px}
.card h3{font-family:var(--disp);font-weight:600;font-size:21px;color:var(--ink);margin-bottom:10px}
.card p{font-size:17px;line-height:1.62;color:var(--sub)}
.card.soft{background:var(--soft);border-color:color-mix(in srgb,var(--accent) 20%,var(--soft))}
.card.dark{background:var(--ink);color:#fff}
.card.dark p{color:rgba(255,255,255,.82)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:20px}
.stack{display:flex;flex-direction:column;gap:22px}

/* stat band */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:16px}
.stat-band.n3{grid-template-columns:repeat(3,1fr)}
.stat{border-radius:20px;padding:26px}
.stat .big{font-family:var(--disp);font-weight:600;font-size:40px;letter-spacing:-.02em;line-height:1.05}
.stat .lbl{font-weight:500;font-size:15px;color:var(--ink);margin-top:8px;line-height:1.35}
.stat .tag{display:inline-block;margin-top:10px;background:rgba(255,255,255,.7);font-weight:700;font-size:12px;padding:4px 10px;border-radius:10px}

/* pill row (flow / IA labels) */
.pills{display:flex;flex-wrap:wrap;gap:12px 10px;align-items:center;margin-top:14px}
.pill{background:#fff;border:1.5px solid var(--border);border-radius:24px;padding:13px 20px;font-weight:600;font-size:15px;color:var(--ink)}
.pill.on{background:var(--accent);border-color:var(--accent);color:#fff}
.arrow{color:color-mix(in srgb,var(--accent) 55%,#fff);font-weight:700;font-size:18px}

/* feature grid */
.fgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.fgrid.n3{grid-template-columns:repeat(3,1fr)}
.feature{background:#fff;border:1px solid var(--border);border-radius:18px;padding:24px}
.feature .ic{width:50px;height:50px;border-radius:14px;background:var(--soft);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:12px}
.feature h4{font-weight:700;font-size:17px;color:var(--ink);margin-bottom:5px}
.feature p{font-size:14px;line-height:1.5;color:var(--sub)}
.feature.wide{display:flex;gap:18px;align-items:flex-start}
.feature.wide .ic{margin-bottom:0;flex:none}
.feature.wide h4{font-size:19px}
.feature.wide p{font-size:16px}

/* persona */
.persona{display:flex;border:1px solid var(--border);border-radius:24px;overflow:hidden}
.persona-side{flex:none;width:420px;padding:36px;background:linear-gradient(150deg,var(--accent),var(--accent2));color:#fff}
.persona-side .ava{width:96px;height:96px;border-radius:50%;background:rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;font-size:44px;margin-bottom:14px}
.persona-side .nm{font-family:var(--disp);font-weight:600;font-size:30px}
.persona-side .meta{font-weight:500;font-size:15px;color:rgba(255,255,255,.9);margin-top:4px}
.persona-side .quote{font-family:var(--disp);font-weight:500;font-size:18px;margin-top:18px;line-height:1.45}
.persona-cols{flex:1;padding:36px;display:flex;flex-direction:column;gap:18px}
.persona-cols .k{font-weight:800;font-size:12px;letter-spacing:.08em;color:var(--accent);text-transform:uppercase}
.persona-cols p{font-size:16px;line-height:1.5;color:var(--sub);margin-top:5px}

/* quad grid (empathy) */
.quad{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.quad .q{background:#fff;border:1px solid var(--border);border-radius:20px;padding:26px}
.quad .qh{display:inline-block;font-weight:800;font-size:13px;letter-spacing:.05em;padding:8px 14px;border-radius:12px;margin-bottom:12px}
.quad .q ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.quad .q li{position:relative;padding-left:16px;font-size:15px;line-height:1.5;color:var(--sub)}
.quad .q li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* journey */
.journey{border:1px solid var(--border);border-radius:20px;overflow:hidden}
.jrow{display:grid;grid-template-columns:repeat(var(--cols,5),1fr)}
.jcell{padding:18px;text-align:center}
.jcell.h .stage{font-weight:700;font-size:15px;color:var(--ink)}
.jcell.h .emo{font-size:28px;margin-top:6px}
.jcell.b{text-align:left}
.jcell .mini{font-weight:800;font-size:10px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:5px}
.jcell .txt{font-size:14px;line-height:1.4;color:var(--sub)}

/* comparison table (pain -> gain / frustration -> feature) */
.cmp{border:1px solid var(--border);border-radius:20px;overflow:hidden}
.cmp .hd{display:grid;grid-template-columns:1fr 1fr}
.cmp .hd div{padding:16px 24px;font-weight:800;font-size:14px;letter-spacing:.04em}
.cmp .rw{display:grid;grid-template-columns:1fr 1fr}
.cmp .rw>div{padding:18px 24px;font-size:16px;line-height:1.5}
.cmp .rw .l{color:#8a5a68}
.cmp .rw .r{color:var(--ink);font-weight:500}

/* routes (three options) */
.routes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.route{background:#fff;border:1px solid var(--border);border-radius:22px;padding:28px;display:flex;flex-direction:column;gap:12px}
.route.pick{border:2.5px solid var(--accent);box-shadow:0 10px 28px -6px color-mix(in srgb,var(--accent) 28%,transparent)}
.route .rtag{display:inline-block;font-weight:800;font-size:12px;letter-spacing:.05em;padding:6px 12px;border-radius:10px;width:fit-content}
.route h3{font-family:var(--disp);font-weight:600;font-size:20px;color:var(--ink)}
.route .desc{font-size:15px;line-height:1.5;color:var(--sub)}
.route ul{list-style:none;display:flex;flex-direction:column;gap:7px}
.route li{font-size:14px;display:flex;gap:8px;line-height:1.4}
.route li.pro::before{content:"✓";color:var(--pos);font-weight:700}
.route li.con::before{content:"✕";color:var(--neg);font-weight:700}
.route .chosen{margin-top:2px;background:var(--accent);color:#fff;font-weight:800;font-size:12px;letter-spacing:.05em;padding:8px 14px;border-radius:12px;width:fit-content}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(var(--g,5),1fr);gap:16px;align-items:start}
.gitem figure{border-radius:20px;overflow:hidden;border:1px solid var(--border);background:#fff}
.gitem img{width:100%;height:auto;display:block}
.gitem .cap{text-align:center;font-weight:500;font-size:14px;color:var(--sub);margin-top:10px}
.board{border-radius:20px;overflow:hidden;border:1px solid var(--border);background:#fff}
.board img{width:100%;height:auto}

/* design system */
.swatches{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.sw .chip{height:76px;border-radius:16px;border:1px solid var(--border)}
.sw .hex{font-weight:700;font-size:14px;color:var(--ink);margin-top:8px}
.sw .nm{font-weight:500;font-size:13px;color:var(--sub)}
.sw .use{font-size:12px;color:#9c92a0}
.type-scale{display:flex;flex-direction:column;gap:16px;margin-top:20px}
.type-scale .tr{display:flex;align-items:baseline;gap:20px;border-top:1px solid var(--border);padding-top:16px}
.type-scale .tk{width:200px;flex:none;font-weight:700;font-size:12px;letter-spacing:.06em;color:#9c92a0;text-transform:uppercase}
.type-scale .ts{font-family:var(--disp);color:var(--ink);font-weight:600}

/* bars */
.bars{display:flex;flex-direction:column;gap:16px}
.bar .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:7px}
.bar .top .n{font-weight:600;font-size:16px;color:var(--ink)}
.bar .top .p{font-weight:700;font-size:15px}
.bar .track{height:16px;border-radius:8px;background:var(--band);overflow:hidden}
.bar .fill{height:100%;border-radius:8px}

/* callout */
.callout{display:flex;gap:14px;align-items:flex-start;border-radius:20px;padding:24px}
.callout .em{font-size:24px;flex:none}
.callout p{font-size:17px;line-height:1.5;font-weight:500}

/* closer + footer */
.closer{border-radius:28px;padding:56px;text-align:center;color:#fff;background:linear-gradient(150deg,var(--accent),var(--accent2));position:relative;overflow:hidden;margin-top:72px}
.closer .em{font-size:40px}
.closer h2{font-family:var(--disp);font-weight:600;font-size:34px;margin-top:8px}
.closer p{font-size:18px;color:rgba(255,255,255,.9);margin-top:10px;max-width:720px;margin-left:auto;margin-right:auto}
.closer .sig{display:inline-block;margin-top:20px;background:rgba(255,255,255,.16);padding:12px 22px;border-radius:22px;font-weight:600;font-size:15px}
.nextnav{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--border);border-radius:22px;padding:26px 34px;margin-top:28px;background:var(--card)}
.nextnav .k{font-weight:800;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent2)}
.nextnav a.big{font-family:var(--disp);font-weight:600;font-size:22px;color:var(--accent)}
footer.ft{max-width:1440px;margin:60px auto 40px;padding:24px 100px 0;border-top:1px solid #F8E6EC;display:flex;justify-content:space-between;color:#76616C;font-size:.9rem;font-family:"Figtree",sans-serif}
footer.ft a{color:#D87C9F;font-weight:600;margin-left:18px;font-family:"Figtree",sans-serif}

/* ---------- Tablet / iPad (≤1024px) ---------- */
@media(max-width:1024px){
  .nav-inner{padding:16px 48px}
  .wrap{padding:0 48px}
  footer.ft{padding:24px 48px 0}
  .hero{padding:48px}
  .hero h1{font-size:52px}
  .hero .lead-accent{font-size:23px}
  .hero .lead{font-size:18px}
  .shead h2{font-size:30px}
  .stat-band,.fgrid{grid-template-columns:repeat(2,1fr)}
  .routes,.swatches{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(3,1fr)}
}
/* ---------- Large phone / tablet portrait (≤768px) ---------- */
@media(max-width:768px){
  .nav-inner{padding:14px 24px}
  .wrap{padding:0 24px}
  footer.ft{padding:24px 24px 0;flex-direction:column;gap:10px}
  footer.ft a{margin-left:0;margin-right:18px}
  .section{margin-top:52px}
  .hero{padding:34px 26px;border-radius:24px}
  .hero h1{font-size:38px}
  .hero .lead-accent{font-size:20px}
  .hero .lead{font-size:16px}
  .hero-meta{gap:16px}
  .hero-meta>div{min-width:44%}
  .shead{gap:12px}
  .shead h2{font-size:26px}
  .shead .num{font-size:12px;padding:5px 11px}
  .sub{font-size:20px}
  .intro{font-size:16px}
  .card{padding:24px;border-radius:18px}
  .card h3{font-size:19px}
  .card p{font-size:16px}
  .two-col,.quad,.cmp .rw,.cmp .hd{grid-template-columns:1fr}
  .persona{flex-direction:column}
  .persona-side{width:auto}
  .fgrid{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .feature p{font-size:15px}
  .quad .q li,.cmp .rw>div,.persona-cols p,.route .desc{font-size:15px}
  .callout p{font-size:15.5px}
  .journey{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .jrow{grid-template-columns:repeat(var(--cols,5),minmax(140px,1fr));min-width:660px}
  .closer{padding:40px 26px}
  .closer h2{font-size:28px}
}
/* ---------- Mobile (≤480px) ---------- */
@media(max-width:480px){
  .nav-inner{padding:12px 18px}
  .nav-logo{font-size:1.18rem}
  .nav-links{gap:20px;font-size:.9rem}
  .wrap{padding:0 18px}
  footer.ft{padding:24px 18px 0}
  .hero{padding:26px 20px;margin-top:20px}
  .hero-tag{font-size:11px}
  .hero h1{font-size:31px;line-height:1.12;margin-top:16px}
  .hero .lead-accent{font-size:18px}
  .hero .lead{font-size:15px}
  .hero-meta{gap:14px 12px;margin-top:24px}
  .hero-meta>div{min-width:46%}
  .section{margin-top:44px}
  .shead h2{font-size:23px}
  .sub{font-size:18px}
  .intro{font-size:15px}
  .card{padding:20px}
  .card h3{font-size:18px}
  .card p{font-size:15px}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .fgrid{grid-template-columns:1fr}
  .stat{padding:20px}
  .stat .big{font-size:32px}
  .gallery{grid-template-columns:1fr}
  .feature{padding:22px}
  .feature h4{font-size:16.5px}
  .feature p{font-size:15px}
  .feature.wide{flex-direction:column;gap:12px}
  .pill{font-size:14px;padding:11px 16px}
  .quad .q li,.cmp .rw>div,.persona-cols p,.callout p{font-size:15px}
  .jcell .txt{font-size:13px}
  .swatches{grid-template-columns:repeat(2,1fr)}
  .closer{padding:34px 22px;border-radius:22px}
  .closer h2{font-size:24px}
  .closer p{font-size:15px}
  .nextnav{flex-direction:column;gap:14px;text-align:center;align-items:center}
}