:root{
  --grad: linear-gradient(135deg,#5b21b6 0%,#7c3aed 45%,#a855f7 78%,#c026d3 100%);
  --brand: #7c3aed;
  --brand-strong: #6d28d9;
  --radius-pill: 999px;
  --radius-lg: 22px;
  --radius-md: 14px;
  --maxw: 1120px;
  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}
html[data-theme="light"]{
  --bg:#ffffff;--bg-alt:#f5f3fb;--surface:#ffffff;--surface-2:#faf9fe;
  --border:rgba(24,16,48,0.10);--text:#15101f;--text-muted:#5c5570;
  --photo-a:#ece9f7;--photo-b:#ddd6f3;--on-grad:#ffffff;--danger:#c0392b;
}
html[data-theme="dark"]{
  --bg:#0b0912;--bg-alt:#100d1c;--surface:#15121f;--surface-2:#1a1628;
  --border:rgba(255,255,255,0.10);--text:#f4f2fb;--text-muted:#a8a2bd;
  --photo-a:#221c38;--photo-b:#2c2348;--on-grad:#ffffff;--danger:#ff8a73;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;transition:background .3s ease,color .3s ease}
h1,h2,h3,.display{font-family:var(--font-display);font-weight:600;line-height:1.1;letter-spacing:-0.02em}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.muted{color:var(--text-muted)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-display);font-weight:500;font-size:15px;padding:13px 24px;border-radius:var(--radius-pill);border:1px solid transparent;cursor:pointer;transition:transform .15s ease,opacity .2s ease;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--grad);color:var(--on-grad)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}
.btn-ghost:hover{background:var(--surface-2)}
.btn-light{background:#fff;color:#5b21b6}
.btn-sm{padding:9px 16px;font-size:14px}
@media(max-width:520px){.btn-sm{padding:8px 13px;font-size:13px}}

header.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);background:color-mix(in srgb,var(--bg) 82%,transparent);border-bottom:1px solid var(--border)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:inline-flex;align-items:center}
.brand .logo{height:30px;width:auto;display:block}
.foot-col .brand .logo{height:26px}
html[data-theme="dark"] .logo-light{display:none}
html[data-theme="light"] .logo-dark{display:none}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:15px;color:var(--text-muted);font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-right{display:flex;align-items:center;gap:14px}
.toggle{width:42px;height:42px;border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--surface);display:grid;place-items:center;cursor:pointer;color:var(--text);font-size:18px;transition:background .2s}
.toggle:hover{background:var(--surface-2)}

/* hamburger (mobile only) */
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:0 11px;border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--surface);cursor:pointer}
.hamburger span{display:block;height:2px;width:100%;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav.open .hamburger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.open .hamburger span:nth-child(2){opacity:0}
.nav.open .hamburger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.menu-only{display:none}
.menu-theme{font-family:var(--font-display);font-weight:500;font-size:16px;color:var(--text-muted);background:none;border:none;cursor:pointer;text-align:left;padding:15px 2px}

@media(max-width:860px){
  .nav-links{
    display:none;
    position:absolute;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg);border-bottom:1px solid var(--border);
    padding:6px 24px 16px;
    box-shadow:0 18px 40px rgba(10,6,24,.18);
  }
  .nav.open .nav-links{display:flex}
  .nav-links a{font-size:16px;padding:15px 2px;border-bottom:1px solid var(--border)}
  .menu-only{display:block;border-top:1px solid var(--border)}
  .bar-only{display:none}
  .hamburger{display:flex}
}

.hero{padding:84px 0 64px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-180px;right:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(124,58,237,.22),transparent 68%);pointer-events:none;z-index:0}
html[data-theme="light"] .hero::before{background:radial-gradient(circle,rgba(124,58,237,.12),transparent 68%)}
.hero .wrap{position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-display);font-size:13px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--brand);background:color-mix(in srgb,var(--brand) 12%,transparent);padding:7px 15px;border-radius:var(--radius-pill);margin-bottom:24px}
.hero h1{font-size:clamp(38px,6vw,66px);font-weight:700;max-width:14ch}
.hero p.lead{font-size:clamp(17px,2.2vw,21px);color:var(--text-muted);max-width:54ch;margin:26px 0 34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
@media(max-width:920px){.hero-grid{grid-template-columns:1fr;gap:40px}}

.bars{display:flex;gap:10px;align-items:flex-end;height:42px;margin-bottom:30px}
.bars span{width:14px;border-radius:var(--radius-pill);background:var(--grad);opacity:.9}
.bars span:nth-child(1){height:20px}
.bars span:nth-child(2){height:42px}
.bars span:nth-child(3){height:32px}
.bars span:nth-child(4){height:42px;opacity:.55}

.photo{position:relative;border-radius:var(--radius-lg);background:linear-gradient(150deg,var(--photo-a),var(--photo-b));display:grid;place-items:center;color:var(--text-muted);overflow:hidden;border:1px solid var(--border)}
.photo .ph-label{display:flex;flex-direction:column;align-items:center;gap:8px;font-family:var(--font-display);font-size:13px;font-weight:500}
.photo svg{opacity:.5}
.hero-photo{aspect-ratio:5/6}
.metric-float{position:absolute;left:-18px;bottom:34px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px 20px;box-shadow:0 16px 40px rgba(70,30,120,.14)}
.metric-float .num{font-family:var(--font-display);font-weight:700;font-size:34px;line-height:1}
.metric-float .lbl{font-size:13px;color:var(--text-muted);margin-top:4px}
@media(max-width:920px){.metric-float{left:12px}}

.logos{padding:40px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.logos-row{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.logos .cap{font-family:var(--font-display);font-size:13px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted)}
.logo-chip{font-family:var(--font-display);font-weight:600;font-size:19px;color:var(--text-muted);opacity:.65}

section.block{padding:96px 0}
.sec-head{max-width:42ch;margin-bottom:52px}
.sec-head .eyebrow{margin-bottom:18px}
.sec-head h1,.sec-head h2{font-size:clamp(28px,4vw,42px);font-weight:700}
.sec-head p{color:var(--text-muted);font-size:18px;margin-top:16px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:860px){.grid-3{grid-template-columns:1fr}}
.vcard{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:30px}
.vcard .ico{width:48px;height:48px;border-radius:var(--radius-pill);background:color-mix(in srgb,var(--brand) 14%,transparent);display:grid;place-items:center;color:var(--brand);font-size:22px;margin-bottom:20px}
.vcard h3{font-size:20px;font-weight:600;margin-bottom:10px}
.vcard p{color:var(--text-muted);font-size:15px}

.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.grid-4{grid-template-columns:1fr}}

.about-stats{display:flex;flex-wrap:wrap;gap:48px;margin-top:40px}
.about-stats .m .n{font-family:var(--font-display);font-weight:700;font-size:40px;line-height:1}
.about-stats .m .l{font-size:14px;color:var(--text-muted);margin-top:6px}

.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media(max-width:860px){.team-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:460px){.team-grid{grid-template-columns:1fr}}
.member{text-align:center}
.member .avatar{width:96px;height:96px;margin:0 auto 14px}
.member h3{font-size:17px;font-weight:600}
.member p{font-size:14px;color:var(--text-muted);margin-top:3px}
.team-note{margin-top:28px;font-size:13px}

.notfound{max-width:560px;margin:0 auto;text-align:center;padding:48px 0}
.notfound .bars{justify-content:center;margin:0 auto 28px}
.notfound-code{font-family:var(--font-display);font-weight:700;font-size:clamp(64px,12vw,104px);line-height:1;margin-bottom:8px}
.notfound h2{font-size:clamp(24px,4vw,34px);font-weight:600;margin-bottom:12px}
.notfound p{color:var(--text-muted);font-size:18px;margin-bottom:28px}
.notfound-cta{justify-content:center}

.services{background:var(--bg-alt)}
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media(max-width:760px){.svc-grid{grid-template-columns:1fr}}
.svc{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:30px 32px;display:flex;gap:22px;align-items:flex-start;transition:transform .18s ease,border-color .2s;color:inherit}
.svc:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--brand) 45%,var(--border))}
.svc .accent{flex:0 0 6px;align-self:stretch;border-radius:var(--radius-pill);background:var(--grad)}
.svc h2,.svc h3{font-size:21px;font-weight:600;margin-bottom:9px}
.svc p{color:var(--text-muted);font-size:15px;margin-bottom:14px}
.svc .more{font-family:var(--font-display);font-weight:600;font-size:14px;color:var(--brand);display:inline-flex;align-items:center;gap:6px}

.work-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media(max-width:820px){.work-grid{grid-template-columns:1fr}}
.case{display:block;color:inherit;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);transition:transform .18s ease,border-color .2s ease}
.case:hover{border-color:color-mix(in srgb,var(--brand) 45%,var(--border))}
.case:hover{transform:translateY(-4px)}
.case .ph{aspect-ratio:16/10}
.case .body{padding:26px 28px}
.case .tag{display:inline-block;font-family:var(--font-display);font-size:12px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--brand);background:color-mix(in srgb,var(--brand) 12%,transparent);padding:5px 12px;border-radius:var(--radius-pill);margin-bottom:14px}
.case h2,.case h3{font-size:23px;font-weight:600;margin-bottom:10px}
.case p{color:var(--text-muted);font-size:15px;margin-bottom:20px}
.case .metrics{display:flex;gap:30px}
.case .metrics .m .n{font-family:var(--font-display);font-weight:700;font-size:30px;line-height:1}
.case .metrics .m .l{font-size:13px;color:var(--text-muted);margin-top:4px}

.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.filter-pill{font-family:var(--font-display);font-size:14px;font-weight:500;padding:9px 18px;border-radius:var(--radius-pill);border:1px solid var(--border);color:var(--text-muted);background:var(--surface);cursor:pointer;text-decoration:none;transition:color .2s,border-color .2s,background .2s}
.filter-pill:hover{color:var(--text);border-color:color-mix(in srgb,var(--brand) 45%,var(--border))}
.filter-pill.is-active{color:var(--on-grad);background:var(--grad);border-color:transparent}
#work-results{transition:opacity .15s ease}
#work-results.htmx-request{opacity:.45}

.quote{background:var(--bg-alt)}
.quote-card{display:grid;grid-template-columns:auto 1fr;gap:34px;align-items:center;max-width:900px;margin:0 auto}
@media(max-width:680px){.quote-card{grid-template-columns:1fr;text-align:center;justify-items:center}}
.avatar{width:108px;height:108px;border-radius:var(--radius-pill);background:linear-gradient(150deg,var(--photo-a),var(--photo-b));display:grid;place-items:center;color:var(--text-muted);border:1px solid var(--border)}
.quote blockquote{font-family:var(--font-display);font-weight:500;font-size:clamp(20px,2.6vw,27px);line-height:1.4;letter-spacing:-0.01em}
.quote .who{margin-top:18px;font-size:15px;color:var(--text-muted)}
.quote .who strong{color:var(--text);font-weight:600}

.cta-band{padding:30px 0}
.cta-inner{background:var(--grad);border-radius:28px;padding:64px 48px;text-align:center;color:var(--on-grad);position:relative;overflow:hidden}
.cta-inner h2{font-size:clamp(28px,4vw,44px);font-weight:700;color:var(--on-grad);max-width:18ch;margin:0 auto}
.cta-inner p{font-size:18px;opacity:.9;margin:18px auto 30px;max-width:46ch}
.cta-deco{position:absolute;display:flex;gap:14px}
.cta-deco span{width:18px;border-radius:var(--radius-pill);background:rgba(255,255,255,.25)}
.cta-deco.tl{top:-20px;left:40px;align-items:flex-start}
.cta-deco.tl span:nth-child(1){height:80px}.cta-deco.tl span:nth-child(2){height:130px}.cta-deco.tl span:nth-child(3){height:60px}
.cta-deco.br{bottom:-30px;right:50px;align-items:flex-end}
.cta-deco.br span:nth-child(1){height:70px}.cta-deco.br span:nth-child(2){height:120px}.cta-deco.br span:nth-child(3){height:90px}

footer{padding:72px 0 40px;border-top:1px solid var(--border)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}}
.foot-col .foot-h{font-family:var(--font-display);font-size:13px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted);margin-bottom:16px}
.foot-col a{display:block;color:var(--text-muted);font-size:15px;margin-bottom:11px;transition:color .2s}
.foot-col a:hover{color:var(--text)}
.foot-col .brand{margin-bottom:6px}
.foot-col p{color:var(--text-muted);font-size:15px;max-width:30ch;margin-top:14px}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:28px;border-top:1px solid var(--border);font-size:14px;color:var(--text-muted);flex-wrap:wrap;gap:12px}

/* case study detail */
.cs{padding:64px 0 16px}
.cs-narrow{max-width:780px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--text-muted);margin-bottom:32px}
.breadcrumb a{color:var(--text-muted);transition:color .2s}
.breadcrumb a:hover{color:var(--text)}
.breadcrumb .current{color:var(--text)}
.cs-head{margin-bottom:32px}
.cs-tags{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.cs-client{font-family:var(--font-display);font-size:14px;font-weight:600;color:var(--text-muted)}
.cs-head h1{font-size:clamp(32px,5vw,52px);font-weight:700;max-width:18ch}
.cs-summary{font-size:clamp(17px,2vw,20px);color:var(--text-muted);margin-top:20px;max-width:60ch}
.cs-metrics{display:flex;flex-wrap:wrap;gap:40px;padding:28px 0;margin:8px 0 36px;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.cs-metrics .m .n{font-family:var(--font-display);font-weight:700;font-size:34px;line-height:1}
.cs-metrics .m .l{font-size:13px;color:var(--text-muted);margin-top:6px}
.cs-cover{aspect-ratio:16/9;margin-bottom:44px}
.prose{font-size:17px;line-height:1.75;color:var(--text)}
.prose h2{font-size:26px;font-weight:600;margin:40px 0 14px}
.prose h3{font-size:20px;font-weight:600;margin:30px 0 10px}
.prose p{margin:0 0 18px;color:var(--text)}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px}
.prose li{margin-bottom:8px}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.prose blockquote{margin:28px 0;padding:18px 26px;border-left:4px solid var(--brand);background:var(--bg-alt);border-radius:0 var(--radius-md) var(--radius-md) 0;font-family:var(--font-display);font-style:normal;color:var(--text)}
.prose blockquote p:last-child{margin-bottom:0}
.prose code{font-family:var(--font-mono,ui-monospace,monospace);font-size:.92em;background:var(--bg-alt);padding:2px 6px;border-radius:6px}

/* blog */
.post-list{display:flex;flex-direction:column;max-width:760px}
.post-row{display:block;color:inherit;padding:28px 0;border-bottom:1px solid var(--border);transition:opacity .2s}
.post-row:first-child{padding-top:0}
.post-row:hover h2{color:var(--brand)}
.post-meta-line{display:flex;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--text-muted);margin-bottom:10px}
.post-row h2{font-size:24px;font-weight:600;margin-bottom:8px;transition:color .2s}
.post-row p{color:var(--text-muted);font-size:16px;margin-bottom:12px;max-width:62ch}
.post-row .more{font-family:var(--font-display);font-weight:600;font-size:14px;color:var(--brand)}
.post-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--border)}

/* faq */
.faq-wrap{max-width:780px}
.faq-section{margin-bottom:44px}
.faq-section h2{font-size:18px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;color:var(--text-muted);margin-bottom:8px}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item summary{display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;list-style:none;padding:20px 2px;font-family:var(--font-display);font-weight:500;font-size:18px;color:var(--text)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;color:var(--brand);flex:0 0 auto;transition:transform .2s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--brand)}
.faq-item p{margin:0 2px 22px;color:var(--text-muted);font-size:16px;line-height:1.7;max-width:64ch}

/* contact form */
.contact-wrap{max-width:720px}
.contact-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:34px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:620px){.field-row{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;margin-bottom:18px}
.field label{font-family:var(--font-display);font-size:14px;font-weight:500;margin-bottom:8px}
.field input,.field select,.field textarea{font-family:var(--font-body);font-size:15px;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-md);padding:12px 14px;width:100%;transition:border-color .2s,box-shadow .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 25%,transparent)}
.field textarea{resize:vertical;min-height:120px}
.field-error{color:var(--danger);font-size:13px;margin-top:7px}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0;pointer-events:none}
.contact-success{text-align:center}
.success-mark{width:54px;height:54px;border-radius:var(--radius-pill);background:var(--grad);color:#fff;display:grid;place-items:center;font-size:26px;margin:0 auto 18px}
.contact-success h3{font-size:24px;font-weight:600;margin-bottom:10px}
.contact-success p{color:var(--text-muted);margin:0 auto 22px;max-width:46ch}

a:focus-visible,.btn:focus-visible,.toggle:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:var(--radius-pill)}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.btn:hover,.svc:hover,.case:hover{transform:none}html{scroll-behavior:auto}}