:root{
  --paper:#f2eee5; --paper-2:#e9e3d6; --ink:#151515; --ink-2:#4a463f; --rule:#151515;
  --blue:#3863a8; --blue-ink:#22447a;
  --serif:"Instrument Serif",Georgia,serif;
  --sans:"IBM Plex Sans",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --pad:clamp(16px,4vw,56px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:64px}
body{background:var(--paper);color:var(--ink);font:400 17px/1.55 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
.mono{font-family:var(--mono);font-size:.78rem;letter-spacing:.02em;text-transform:uppercase}
.muted{color:var(--ink-2)}
em{font-style:italic;color:var(--blue)}

/* ── top bar ── */
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:32px;padding:12px var(--pad);background:var(--paper);border-bottom:1px solid var(--rule)}
.mark{display:block;line-height:0}
.mark img{height:40px;width:auto}
.top nav{display:flex;gap:28px;margin-left:auto}
.top nav a,.top-tel{font:500 .8rem var(--mono);text-transform:uppercase;text-decoration:none;letter-spacing:.03em}
.top nav a:hover{color:var(--blue)}
.top-tel{border:1px solid var(--ink);padding:6px 12px}
.top-tel:hover{background:var(--ink);color:var(--paper)}

/* ── hero ── */
.hero{position:relative;display:grid;grid-template-columns:repeat(12,1fr);gap:0 24px;padding:40px var(--pad) 80px;border-bottom:1px solid var(--rule);min-height:calc(100vh - 56px)}
.hero-meta{grid-column:1/-1;display:flex;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--rule);margin-bottom:28px}
.hero-title{grid-column:1/7;grid-row:2;font:400 clamp(4rem,11.5vw,11rem)/.86 var(--serif);letter-spacing:-.025em;z-index:2;align-self:start}
.hero-side{grid-column:1/6;grid-row:3;margin-top:48px;z-index:2}
.hero-side p{font-size:1.1rem;max-width:30em;color:var(--ink-2)}
.arrow-link{display:inline-block;margin-top:24px;font:500 .85rem var(--mono);text-transform:uppercase;text-decoration:none;border-bottom:2px solid var(--blue);padding-bottom:4px}
.arrow-link::after{content:" ↓"}
.hero-stack{grid-column:7/13;grid-row:2/4;align-self:start;position:relative;min-height:540px}
.hero-stack .win-a{position:absolute;top:30px;right:0;width:92%;transform:rotate(1.5deg)}
.hero-stack .win-b{position:absolute;top:300px;left:-6%;width:70%;transform:rotate(-3deg)}
.hero-stack .phone-a{position:absolute;top:170px;right:-2%;width:150px;transform:rotate(4deg)}
.stamp{position:absolute;right:calc(var(--pad) + 30%);bottom:40px;width:150px;height:150px;fill:var(--blue);animation:spin 28s linear infinite;z-index:3}
.stamp text{font:500 13.4px var(--mono);letter-spacing:.14em}
.stamp .stamp-c{font:italic 400 44px var(--serif);letter-spacing:0;animation:none}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── frames ── */
.win{background:#fff;border:1px solid var(--ink);box-shadow:8px 8px 0 var(--ink)}
.win i{display:block;height:22px;border-bottom:1px solid var(--ink);background:
  radial-gradient(circle at 12px 11px,var(--ink) 3px,transparent 3.5px),
  radial-gradient(circle at 26px 11px,var(--ink) 3px,transparent 3.5px),
  radial-gradient(circle at 40px 11px,var(--ink) 3px,transparent 3.5px),var(--paper-2)}
.phone{background:var(--ink);padding:8px;border-radius:26px;box-shadow:6px 6px 0 var(--blue)}
.phone img{border-radius:19px}
.tab{background:var(--ink);padding:10px;border-radius:16px;box-shadow:8px 8px 0 var(--blue)}
.tab img{border-radius:8px}
.paper{background:#fff;padding:14px;border:1px solid var(--ink);box-shadow:8px 8px 0 var(--ink)}
.paper img{max-height:640px;width:100%;object-fit:cover;object-position:top}
.paper figcaption{padding-top:10px}

/* ── ticker ── */
.ticker{overflow:hidden;border-bottom:1px solid var(--rule);background:var(--ink);color:var(--paper);padding:16px 0}
.ticker-in{display:flex;gap:56px;width:max-content;animation:tick 45s linear infinite;font:italic 400 1.9rem var(--serif)}
.ticker-in span::after{content:"✳";font-style:normal;font-size:1rem;color:var(--blue);margin-left:56px;vertical-align:middle}
@keyframes tick{to{transform:translateX(-50%)}}

/* ── blocks ── */
.block{padding:96px var(--pad);border-bottom:1px solid var(--rule)}
.block-head{display:grid;grid-template-columns:80px 1fr 1fr;gap:24px;align-items:end;margin-bottom:72px}
.block-head h2{font:400 clamp(2.8rem,6vw,5.4rem)/.95 var(--serif);letter-spacing:-.02em}
.block-head p{color:var(--ink-2);max-width:26em;justify-self:end}
.block-head .mono{align-self:start;padding-top:12px}

/* ── cases ── */
.case{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:center;padding:56px 0;border-top:1px solid var(--rule)}
.case.flip .case-txt{order:2}
.case-n{color:var(--blue)}
.case h3{font:400 clamp(2.4rem,4.6vw,4rem)/1 var(--serif);margin:14px 0 18px}
.case p{color:var(--ink-2);max-width:32em}
.case dl{display:grid;grid-template-columns:90px 1fr;gap:8px 16px;margin-top:28px;padding-top:16px;border-top:1px dashed var(--ink-2)}
.case dt{color:var(--ink-2)}
.case dd a{text-decoration:none;border-bottom:1px solid var(--blue)}
.duo{position:relative;padding:0 60px 60px 0}
.duo .phone{position:absolute;right:0;bottom:0;width:26%}
.stack-tabs{position:relative;padding-bottom:90px}
.stack-tabs .tab{width:82%}
.stack-tabs .tab-2{position:absolute;right:0;bottom:0;width:62%;transform:rotate(2deg)}
.case.flip .case-img{display:flex;justify-content:center}
.case.flip .paper{width:min(460px,100%);transform:rotate(-1.5deg)}
.win.tilt{transform:rotate(-1.5deg)}

.case-row{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding-top:56px;border-top:1px solid var(--rule)}
.mini .win{margin-bottom:22px;box-shadow:5px 5px 0 var(--ink);transition:transform .25s,box-shadow .25s}
.mini:hover .win{transform:translate(-3px,-3px);box-shadow:8px 8px 0 var(--blue)}
.mini h3{font:400 2rem/1.1 var(--serif);margin:6px 0}
.mini a{text-decoration:none;border-bottom:1px solid var(--blue)}

/* ── skills ── */
.skills{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--rule)}
.skills li{padding:28px 28px 40px 0;border-bottom:1px solid var(--rule);position:relative}
.skills li:not(:nth-child(3n)){border-right:1px solid var(--rule)}
.skills li:not(:nth-child(3n+1)){padding-left:28px}
.skills h3{font:400 2rem/1.05 var(--serif);margin:18px 0 12px;transition:color .2s}
.skills p{color:var(--ink-2);font-size:.97rem}
.skills li:hover h3{color:var(--blue)}

/* ── products (dark) ── */
.dark{background:var(--ink);color:var(--paper);border-bottom-color:var(--ink)}
.dark .block-head p,.dark .prod-txt p{color:#b9b2a3}
.prod{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:center;padding:48px 0;border-top:1px solid #3a3a3a}
.prod.flip .prod-txt{order:2}
.prod-txt .mono:first-child{color:#8fb3ff}
.prod h3{font:400 clamp(2.6rem,5vw,4.4rem)/1 var(--serif);margin:12px 0 18px}
.prod ul{list-style:none;margin-top:24px;display:grid;gap:8px;text-transform:none;font-size:.85rem}

.ui{background:var(--paper);color:var(--ink);border:1px solid var(--paper);box-shadow:10px 10px 0 var(--blue);font-size:.86rem}
.ui-bar{display:flex;gap:22px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--ink);font-family:var(--mono);font-size:.74rem;text-transform:uppercase}
.ui-bar b{background:var(--blue);color:#fff;padding:2px 8px;font-weight:500}
.ui-row{display:grid;grid-template-columns:60px 1fr 100px 120px;gap:12px;padding:12px 16px;border-bottom:1px solid var(--paper-2);align-items:center}
.ui-h{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;color:var(--ink-2)}
.ui-row span:first-child{font-family:var(--mono);color:var(--ink-2)}
.st{font-family:var(--mono);font-size:.68rem;text-transform:uppercase;padding:3px 8px;border:1px solid currentColor;justify-self:start}
.st-w{color:#b45f06}.st-o{color:var(--blue)}.st-d{color:#2f7a3a}

.sms{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:28px;align-items:center}
.code{font:400 .8rem/1.7 var(--mono);background:#0b0b0b;border:1px solid #3a3a3a;padding:20px;color:#e8e2d4;white-space:pre-wrap;word-break:break-word}
.code .c{color:#7d776b}
.phone-sms{background:var(--paper);color:var(--ink);border-radius:28px;padding:22px 14px 30px;border:8px solid #2b2b2b;box-shadow:8px 8px 0 var(--blue)}
.sms-from{text-align:center;padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--paper-2)}
.bubble{background:#fff;border:1px solid var(--paper-2);padding:10px 12px;border-radius:14px 14px 14px 4px;font-size:.85rem;margin-bottom:10px;max-width:92%}

/* ── values ── */
.values ul{list-style:none;border-top:1px solid var(--rule)}
.values li{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:baseline;padding:22px 0;border-bottom:1px solid var(--rule)}
.values b{font:400 clamp(2.6rem,7vw,6.4rem)/1 var(--serif);letter-spacing:-.02em}
.values li:hover b{color:var(--blue);font-style:italic}
.values span{color:var(--ink-2);max-width:26em}

/* ── references ── */
.ref-list{list-style:none;columns:2;column-gap:64px}
.ref-list li{display:flex;justify-content:space-between;gap:16px;align-items:baseline;padding:14px 0;border-bottom:1px solid var(--rule);break-inside:avoid;font:400 1.5rem var(--serif)}
.ref-list .mono{color:var(--ink-2);font-size:.72rem;text-transform:none}
.ref-list a.mono{color:var(--blue);text-decoration:none}
.ref-list a.mono::after{content:" ↗"}

/* ── contact ── */
.contact{background:var(--blue);color:#fff;border-bottom:0}
.contact .block-head h2{grid-column:2/4;max-width:14em}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px}
.big-tel{display:block;font:400 clamp(3.4rem,9vw,8rem)/1 var(--serif);text-decoration:none;letter-spacing:-.02em;margin-bottom:40px}
.big-tel:hover{font-style:italic}
.coords{display:grid;grid-template-columns:100px 1fr;gap:18px 20px;text-transform:none;font-size:.88rem;line-height:1.6}
.coords dt{text-transform:uppercase;opacity:.7}
.coords a{text-decoration:none;border-bottom:1px solid rgba(255,255,255,.6)}
.form{display:grid;gap:22px}
.form label{display:grid;gap:6px}
.form .mono{opacity:.75}
.form input:not([type=radio]),.form textarea{font:inherit;color:#fff;background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.7);padding:8px 0;border-radius:0}
.form input:focus,.form textarea:focus{outline:none;border-bottom-color:#fff;border-bottom-width:2px}
fieldset{border:0;display:flex;flex-wrap:wrap;gap:8px}
legend{margin-bottom:10px}
.chip{display:inline-block!important;cursor:pointer}
.chip input{position:absolute;opacity:0}
.chip span{display:inline-block;border:1px solid rgba(255,255,255,.7);padding:6px 12px;font-size:.85rem}
.chip input:checked+span{background:#fff;color:var(--blue)}
.chip input:focus-visible+span{outline:2px solid #fff;outline-offset:2px}
.form button{justify-self:start;font:500 .9rem var(--mono);text-transform:uppercase;background:var(--ink);color:#fff;border:0;padding:16px 28px;cursor:pointer}
.form button:hover{background:#fff;color:var(--blue)}

/* ── footer ── */
.foot{background:var(--ink);color:var(--paper);padding:48px var(--pad) 28px;overflow:hidden}
.foot-logo{width:min(560px,80%);height:auto}
.foot-line{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:28px;padding-top:16px;border-top:1px solid #3a3a3a;color:#b9b2a3}

/* ── responsive ── */
@media (max-width:1000px){
  .hero{min-height:0}
  .hero-title,.hero-side{grid-column:1/-1;grid-row:auto}
  .hero-stack{grid-column:1/-1;grid-row:auto;min-height:0;height:min(80vw,520px);margin-top:56px}
  .stamp{right:var(--pad);bottom:auto;top:100px;width:110px;height:110px}
  .case,.prod{grid-template-columns:1fr;gap:40px}
  .case.flip .case-txt,.prod.flip .prod-txt{order:0}
  .case-row{grid-template-columns:1fr 1fr}
  .skills{grid-template-columns:1fr 1fr}
  .skills li{border-right:0!important;padding-left:0!important}
  .skills li:nth-child(odd){border-right:1px solid var(--rule)!important;padding-right:24px}
  .skills li:nth-child(even){padding-left:24px!important}
  .block-head{grid-template-columns:1fr;gap:12px}
  .block-head p{justify-self:start}
  .contact .block-head h2{grid-column:auto}
  .contact-grid{grid-template-columns:1fr}
  .ref-list{columns:1}
}
@media (max-width:640px){
  body{font-size:16px}
  .top nav{display:none}
  .top-tel{margin-left:auto}
  .hero-meta span:nth-child(2){display:none}
  .hero-stack .phone-a{width:96px}
  .hero-stack .win-b{top:52%}
  .block{padding:64px var(--pad)}
  .block-head{margin-bottom:40px}
  .case-row,.skills{grid-template-columns:1fr}
  .skills li{border-right:0!important;padding:24px 0 28px!important}
  .values li{grid-template-columns:1fr;gap:6px}
  .sms{grid-template-columns:1fr}
  .ui-row{grid-template-columns:44px 1fr 96px}
  .ui-row span:nth-child(3){display:none}
  .ref-list li{font-size:1.25rem;flex-wrap:wrap}
  .duo{padding:0 30px 40px 0}
}
@media (prefers-reduced-motion:reduce){
  .stamp,.ticker-in{animation:none}
  html{scroll-behavior:auto}
}

.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{padding:14px 16px;font-size:.95rem}
.form-msg.ok{background:#fff;color:var(--blue)}
.form-msg.err{background:var(--ink);color:#fff}