:root{
  --white:#ffffff;
  --ink:#0b1220;
  --ink-soft:#4a5468;
  --blue:#2954ff;
  --blue-deep:#0f1a52;
  --blue-tint:#eef2ff;
  --line:#dbe2f7;
  --radius:14px;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter', sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.display{
  font-family:'Space Grotesk', sans-serif;
  font-weight:600;
  letter-spacing:-0.01em;
  color:var(--ink);
}
a{color:inherit; text-decoration:none;}
img,svg{display:block; max-width:100%;}
.wrap{max-width:1120px; margin:0 auto; padding:0 28px;}
section{padding:96px 0;}
@media (max-width:720px){ section{padding:64px 0;} }

/* Skip link for accessibility */
.skip-link{position:absolute; left:-999px; top:0; background:var(--blue); color:#fff; padding:10px 16px; border-radius:8px; z-index:200;}
.skip-link:focus{left:16px; top:16px;}

:focus-visible{outline:2.5px solid var(--blue); outline-offset:3px;}

/* NAV */
header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,0.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
nav.wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.logo{
  display:flex; align-items:center; gap:10px;
  font-family:'Space Grotesk', sans-serif;
  font-weight:700; font-size:1.05rem;
}
.logo-mark{
  width:32px; height:32px; border-radius:9px;
  background:var(--blue);
  display:flex; align-items:center; justify-content:center;
}
.logo-mark svg{width:18px; height:18px;}
.nav-links{display:flex; align-items:center; gap:36px; font-size:0.95rem; font-weight:500;}
.nav-links a{color:var(--ink-soft); transition:color .15s;}
.nav-links a:hover{color:var(--blue);}
.nav-links .nav-cta{
   background:var(--ink); color:#fff; padding:11px 20px; border-radius:999px;
   font-weight:600; font-size:0.9rem; white-space:nowrap;
   transition:background .15s;
}
.nav-links .nav-cta:hover{background:var(--blue); color:#fff;}
.nav-toggle{display:none; background:none; border:0; cursor:pointer; padding:8px;}
.nav-toggle svg{width:24px; height:24px;}
@media (max-width:820px){
  .nav-links{
    position:fixed; inset:76px 0 0 0; background:var(--white);
    flex-direction:column; align-items:flex-start; gap:0;
    padding:8px 28px 28px; transform:translateY(-8px);
    opacity:0; pointer-events:none; transition:opacity .2s, transform .2s;
    border-top:1px solid var(--line);
  }
  .nav-links.open{opacity:1; pointer-events:auto; transform:translateY(0);}
  .nav-links a{width:100%; padding:16px 0; border-bottom:1px solid var(--line); font-size:1.05rem;}
  .nav-links .nav-cta{margin-top:16px; text-align:center;}
  .nav-toggle{display:block;}
}

/* HERO */
.hero{padding-top:88px; padding-bottom:72px; overflow:hidden;}
.hero-grid{
  display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px; align-items:center;
}
@media (max-width:900px){ .hero-grid{grid-template-columns:1fr; gap:48px;} }
.hero h1{
  font-size:clamp(2.3rem, 4.6vw, 3.6rem);
  line-height:1.08;
}
.hero p.lede{
  margin-top:22px; font-size:1.12rem; color:var(--ink-soft); max-width:46ch;
}
.hero-actions{display:flex; gap:14px; margin-top:36px; flex-wrap:wrap;}
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 26px; border-radius:999px; font-weight:600; font-size:0.96rem;
  transition:transform .15s, background .15s, border-color .15s;
}
.btn-primary{background:var(--blue); color:#fff;}
.btn-primary:hover{background:var(--blue-deep); transform:translateY(-1px);}
.btn-ghost{border:1.5px solid var(--line); color:var(--ink);}
.btn-ghost:hover{border-color:var(--blue); color:var(--blue);}

.hero-stats{display:flex; gap:36px; margin-top:48px; flex-wrap:wrap;}
.hero-stats div{border-left:2px solid var(--blue); padding-left:14px;}
.hero-stats strong{display:block; font-family:'Space Grotesk',sans-serif; font-size:1.5rem;}
.hero-stats span{font-size:0.86rem; color:var(--ink-soft);}

.hero-art{position:relative;}
.hero-art svg{width:100%; height:auto;}

/* SERVICES */
.section-head{max-width:56ch; margin-bottom:44px;}
.section-head h2{font-size:clamp(1.7rem, 3vw, 2.3rem);}
.section-head p{margin-top:14px; color:var(--ink-soft); font-size:1.05rem;}

.service-row{
  display:grid; grid-template-columns:200px 1fr auto; gap:32px; align-items:start;
  padding:32px 0; border-top:1px solid var(--line);
}
.service-row:last-child{border-bottom:1px solid var(--line);}
.service-num{
  font-family:'Space Grotesk', sans-serif; color:var(--blue); font-size:0.9rem; font-weight:600;
}
.service-name{font-family:'Space Grotesk', sans-serif; font-size:1.35rem; font-weight:600;}
.service-desc{color:var(--ink-soft); margin-top:8px; max-width:56ch;}
.service-tags{display:flex; flex-wrap:wrap; gap:8px; justify-self:end; max-width:220px;}
.tag{
  font-size:0.8rem; color:var(--ink-soft); border:1px solid var(--line); padding:6px 12px; border-radius:999px;
}
@media (max-width:800px){
  .service-row{grid-template-columns:1fr; gap:10px;}
  .service-tags{justify-self:start;}
}

/* PORTFOLIO */
.portfolio-grid{
  display:grid; grid-template-columns:repeat(6, 1fr); gap:20px; margin-top:8px;
}
#portfolio{
   background:var(--blue-tint);
}
.proj{
   border-radius:var(--radius); border:1px solid var(--line); background:var(--white);
   padding:28px; display:flex; flex-direction:column; justify-content:space-between;
   min-height:220px; transition:border-color .15s, transform .15s;
}
.proj:hover{border-color:var(--blue); transform:translateY(-2px);}
.proj-a{grid-column:span 4;}
.proj-b{grid-column:span 2;}
.proj-c{grid-column:span 3;}
.proj-d{grid-column:span 3;}
@media (max-width:800px){
  .portfolio-grid{grid-template-columns:1fr;}
  .proj-a,.proj-b,.proj-c,.proj-d{grid-column:span 1;}
}
.proj-kind{font-size:0.82rem; color:var(--blue); font-weight:600;}
.proj-name{font-family:'Space Grotesk',sans-serif; font-size:1.3rem; margin-top:10px;}
.proj-desc{color:var(--ink-soft); margin-top:10px; font-size:0.95rem;}
.proj-meta{display:flex; gap:8px; flex-wrap:wrap; margin-top:22px;}

/* PROCESS */
.process{background:var(--blue-tint); border-radius:24px; padding:56px;}
@media (max-width:700px){ .process{padding:32px 22px; border-radius:18px;} }
.process-list{display:grid; grid-template-columns:repeat(4,1fr); gap:28px; margin-top:36px;}
@media (max-width:900px){ .process-list{grid-template-columns:1fr 1fr;} }
@media (max-width:520px){ .process-list{grid-template-columns:1fr;} }
.process-step h3{font-family:'Space Grotesk',sans-serif; font-size:1.1rem;}
.process-step p{color:var(--ink-soft); margin-top:8px; font-size:0.94rem;}
.step-mark{width:34px; height:34px; border-radius:9px; background:var(--white); border:1.5px solid var(--blue); display:flex; align-items:center; justify-content:center; font-family:'Space Grotesk',sans-serif; color:var(--blue); font-weight:600; margin-bottom:14px;}

/* ABOUT */
.about-grid{display:grid; grid-template-columns:0.9fr 1.1fr; gap:56px; align-items:start;}
@media (max-width:800px){ .about-grid{grid-template-columns:1fr; gap:32px;} }
.about-grid h2{font-size:clamp(1.7rem,3vw,2.3rem);}
.about-copy p{color:var(--ink-soft); margin-top:16px; font-size:1.03rem; max-width:56ch;}
.about-list{margin-top:28px; display:flex; flex-direction:column; gap:16px;}
.about-list li{display:flex; gap:12px; align-items:flex-start; font-size:0.98rem; color:var(--ink-soft);}
.about-list svg{flex:none; width:20px; height:20px; margin-top:2px; color:var(--blue);}

/* CTA */
.cta{
  background:var(--blue-deep); color:#fff; border-radius:24px;
  padding:64px 56px; display:flex; justify-content:space-between; align-items:center; gap:32px;
}
@media (max-width:800px){ .cta{flex-direction:column; align-items:flex-start; padding:44px 28px; border-radius:18px;} }
.cta h2{color:#fff; font-size:clamp(1.6rem,3vw,2.1rem); max-width:18ch;}
.cta p{color:#c3ccf5; margin-top:12px; max-width:40ch;}
.cta .btn-primary{background:#fff; color:var(--blue-deep);}
.cta .btn-primary:hover{background:var(--blue-tint);}

/* FOOTER */
footer{border-top:1px solid var(--line); padding:44px 0;}
.footer-grid{display:flex; justify-content:space-between; align-items:center; gap:20px; flex-wrap:wrap;}
.footer-links{display:flex; gap:26px; font-size:0.92rem; color:var(--ink-soft);}
.footer-links a:hover{color:var(--blue);}
.foot-copy{font-size:0.85rem; color:var(--ink-soft);}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important; animation:none !important;}
}