:root{--navy:#0A2540;--blue:#2563EB;--bg:#fff;--text:#0f172a;--muted:#64748b;--radius:12px;--line:#e2e8f0}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
section{padding:56px 0}
h1{font-size:clamp(30px,5vw,54px);line-height:1.12;color:#fff;margin:0 0 16px}
h2{font-size:clamp(24px,3.4vw,34px);line-height:1.2;color:var(--navy);margin:0 0 12px}
.kicker{color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;margin:0 0 8px}
.kicker.light{color:#93c5fd}
.lede{color:var(--muted);max-width:560px}
/* header */
#site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:10;transition:box-shadow .3s ease}
#site-header.scrolled{box-shadow:0 4px 16px rgba(10,37,64,.12)}
.nav{display:flex;align-items:center;gap:16px;padding:12px 20px;position:relative}
.brand{display:flex;align-items:center;text-decoration:none}
nav#primary-nav{display:flex;gap:14px;margin-left:auto}
nav#primary-nav a{color:var(--text);text-decoration:none;font-size:14px}
nav#primary-nav a:hover{color:var(--blue)}
.btn{display:inline-block;background:var(--blue);color:#fff;padding:12px 22px;border-radius:10px;text-decoration:none;font-weight:600;border:1px solid var(--blue)}
.btn.ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5)}
.btn.light{background:#fff;color:var(--navy);border-color:#fff}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer;margin-left:auto}
.menu-btn span{display:block;width:22px;height:2px;background:var(--navy);margin:5px 0}
/* hero */
#hero{position:relative;overflow:hidden;background:var(--navy);color:#fff}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:36px;align-items:center}
.hero-copy p{color:#dbe7f5}
.hl{color:#60a5fa}
.ticks{list-style:none;display:flex;gap:20px;margin:24px 0 0;padding:0;flex-wrap:wrap}
.ticks li{display:flex;align-items:center;gap:8px;font-size:14px;color:#dbe7f5}
.ticks li::before{content:'';width:20px;height:20px;flex:none;border-radius:50%;background:#2563EB url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat}
.devices{position:relative;min-height:340px}
.dev{position:absolute;border:8px solid #0f2743;border-radius:14px;overflow:hidden;background:#0f2743;box-shadow:0 20px 50px rgba(0,0,0,.35)}
.dev img{display:block;width:100%;height:auto}
.dev.monitor{position:relative;width:100%}
.dev.laptop{width:46%;left:-4%;bottom:-6%}
.dev.phone{width:20%;right:2%;bottom:-10%;border-radius:18px;border-width:6px}
/* cards */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:transform .25s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(10,37,64,.12)}
.card h3{margin:12px 0 8px;font-size:18px}
.card p{margin:0 0 10px;color:var(--muted);font-size:15px}
.card a{color:var(--blue);font-weight:600;text-decoration:none;font-size:15px}
.chip{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;color:#fff}
.chip svg{width:26px;height:26px}
.chip.blue{background:#2563EB}
.chip.green{background:#16a34a}
.chip.purple{background:#9333ea}
#services{background:#f1f5f9}
.work-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.work-card img{width:100%;height:180px;object-fit:cover;object-position:top;border-radius:8px;background:#f1f5f9}
.work-card .ph{aspect-ratio:16/9;background:#f1f5f9;border-radius:8px}
/* process timeline */
#process{background:var(--navy);color:#fff}
#process h2{color:#fff}
.timeline{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:28px 0 0;padding:0}
.timeline li{position:relative;padding-top:8px}
.timeline li:not(:last-child)::after{content:'→';position:absolute;top:22px;right:-8px;color:#3b82f6;font-size:20px}
.num{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;margin-bottom:12px}
.timeline strong{display:block;margin-bottom:6px}
.timeline span{font-size:14px;color:#c7d7ea}
/* about benefits */
.benefits{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}
.benefit{display:flex;gap:12px;align-items:flex-start}
.benefit svg{width:34px;height:34px;flex:none;color:var(--blue)}
.benefit strong{display:block}
.benefit span{font-size:14px;color:var(--muted)}
/* cta + contact + footer */
#cta{background:var(--navy);color:#fff;text-align:center}
#cta h2{color:#fff}
#cta p{color:#dbe7f5}
#quote-form{display:grid;gap:12px;max-width:640px}
#quote-form label{display:grid;gap:6px;font-size:14px}
#quote-form input,#quote-form select,#quote-form textarea{padding:10px;border:1px solid #cbd5e1;border-radius:8px;font-size:16px}
#form-status{font-size:14px;color:var(--navy)}
#site-footer{border-top:1px solid var(--line);padding:26px 0;color:var(--muted);font-size:14px}
.foot{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.foot-nav{display:flex;gap:14px;margin-left:auto;flex-wrap:wrap}
.foot-nav a{color:var(--text);text-decoration:none}
.legal{width:100%;margin:6px 0;font-size:13px}
.icons{display:flex;gap:10px;margin:0}
.icons a{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--line);border-radius:50%;color:var(--navy)}
.icons svg{width:18px;height:18px}
/* reveal motion */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.visible{opacity:1;transform:none}
#hero .reveal{transition-delay:.1s}
/* floating button */
.fab{position:fixed;right:20px;bottom:20px;z-index:20;display:flex;align-items:center;justify-content:center;gap:0;background:var(--blue);color:#fff;width:56px;height:56px;padding:0;border-radius:999px;text-decoration:none;font-weight:600;box-shadow:0 8px 24px rgba(10,37,64,.25);opacity:0;transform:translateY(16px);pointer-events:none;transition:opacity .3s ease,transform .3s ease,width .25s ease,padding .25s ease;overflow:hidden;white-space:nowrap;animation:fab-pulse 2s ease 2}
.fab.show{opacity:1;transform:none;pointer-events:auto}
html:not(.js) .fab{opacity:1;transform:none;pointer-events:auto}
.fab:hover,.fab:focus-visible{width:auto;padding:14px 20px;gap:8px}
.fab svg{width:20px;height:20px;flex:none}
.fab span{min-width:0;max-width:0;opacity:0;overflow:hidden;transition:max-width .25s ease,opacity .2s ease}
.fab:hover span,.fab:focus-visible span{max-width:200px;opacity:1}
@keyframes fab-pulse{0%,100%{box-shadow:0 8px 24px rgba(10,37,64,.25)}50%{box-shadow:0 8px 32px rgba(37,99,235,.65)}}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
#hero :focus-visible{outline-color:#fff}
/* responsive */
@media(max-width:900px){
.grid{grid-template-columns:repeat(2,1fr)}
.work-cards{grid-template-columns:repeat(2,1fr)}
.timeline{grid-template-columns:repeat(2,1fr)}
.hero-grid{grid-template-columns:1fr}
.devices{min-height:300px}
}
@media(max-width:768px){
#primary-nav{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;gap:0;margin:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 20px 16px}
#primary-nav.open{display:flex}
#primary-nav a{padding:10px 0;font-size:16px;border-top:1px solid #f1f5f9}
.menu-btn{display:block}
}
@media(max-width:560px){
.grid{grid-template-columns:1fr}
.work-cards{grid-template-columns:1fr}
.timeline{grid-template-columns:1fr}
.timeline li{padding-left:56px}
.timeline li:not(:last-child)::after{content:'↓';top:auto;bottom:-14px;left:26px;right:auto}
.timeline .num{position:absolute;left:0;top:8px}
.benefits{grid-template-columns:1fr}
.devices{min-height:240px}
section{padding:40px 0}
}
.work-card img{cursor:zoom-in}
.lightbox{position:fixed;inset:0;z-index:50;display:none;align-items:center;justify-content:center;background:rgba(10,37,64,.88);padding:24px}
.lightbox.open{display:flex}
.lightbox img{max-width:min(1000px,92vw);max-height:85vh;border-radius:12px;background:#fff}
.lb-close{position:absolute;top:16px;right:16px;width:44px;height:44px;border-radius:50%;border:0;background:#fff;color:var(--navy);font-size:24px;line-height:1;cursor:pointer}
@media (prefers-reduced-motion: reduce){
.js .reveal{opacity:1;transform:none;transition:none}
.card:hover{transform:none;box-shadow:none}
#site-header{transition:none}
html{scroll-behavior:auto}
.fab{transition:none;animation:none}
}