:root{
  --ink:#0f1a2b;
  --ink-soft:#3d4a5c;
  --muted:#6b7686;
  --blue:#1f5fd6;
  --blue-deep:#123a86;
  --line:#e7eaf0;
  --bg:#ffffff;
  --bg-alt:#f6f8fb;
  --maxw:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:Fraunces,Georgia,serif;font-weight:600;line-height:1.12;letter-spacing:-.01em;color:var(--ink)}
p{margin:0 0 1em}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}

/* header */
.site-header{
  position:sticky;top:0;z-index:10;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(20px,5vw,48px);
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.wordmark{
  font-family:Fraunces,serif;font-weight:600;font-size:26px;letter-spacing:-.02em;
  color:var(--blue-deep);
}
.wordmark.small{font-size:20px;color:var(--ink)}
.header-cta{
  font-weight:500;font-size:15px;color:var(--ink-soft);
  border:1px solid var(--line);border-radius:999px;padding:8px 18px;transition:.15s;
}
.header-cta:hover{border-color:var(--blue);color:var(--blue)}

/* hero */
.hero{position:relative;min-height:min(88vh,720px);display:flex;align-items:center;overflow:hidden}
.hero-media{position:absolute;inset:0;background:url('assets/hero.jpg') center/cover no-repeat;transform:scale(1.02)}
.hero-media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(9,18,38,.86) 0%,rgba(9,18,38,.55) 45%,rgba(9,18,38,.25) 100%);}
.hero-inner{position:relative;max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,48px);color:#fff}
.hero h1{font-size:clamp(2.8rem,7vw,5rem);color:#fff;margin:0 0 .2em}
.hero-sub{font-size:clamp(1.15rem,2.4vw,1.6rem);color:#dce6f7;max-width:34ch;margin:0;font-weight:400}

/* generic section rhythm */
main section{padding:clamp(56px,9vw,110px) clamp(20px,5vw,48px)}
.intro{max-width:760px;margin:0 auto;text-align:center}
.intro p{font-size:clamp(1.15rem,2.2vw,1.45rem);color:var(--ink-soft);line-height:1.6}

.method{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.method-inner{max-width:760px;margin:0 auto}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;font-weight:600;color:var(--blue);margin:0 0 .8em}
.method h2{font-size:clamp(2rem,4vw,2.9rem);margin:0 0 .5em}
.method p{font-size:1.12rem;color:var(--ink-soft)}

/* cases */
.cases{max-width:var(--maxw);margin:0 auto}
.cases-head{text-align:center;margin-bottom:clamp(40px,6vw,72px)}
.cases-head h2{font-size:clamp(1.8rem,3.6vw,2.6rem)}
.case{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center;margin-bottom:clamp(48px,7vw,88px)}
.case:last-child{margin-bottom:0}
.case-media img{width:100%;border-radius:14px;border:1px solid var(--line);box-shadow:0 18px 40px -24px rgba(15,26,43,.45)}
.case-body h3{font-size:clamp(1.35rem,2.5vw,1.7rem);margin:0 0 .6em;color:var(--blue-deep)}
.case-body p{color:var(--ink-soft);margin:0}
@media(min-width:820px){.case.reverse .case-media{order:2}}

/* contact */
.contact{background:linear-gradient(160deg,var(--blue-deep),#0b1f4d);color:#fff;text-align:center}
.contact-inner{max-width:560px;margin:0 auto}
.contact h2{color:#fff;font-size:clamp(2rem,4vw,2.8rem);margin:0 0 .4em}
.contact-lead{color:#c9d6ef;font-size:1.15rem;margin:0 0 2em}
#contact-form{text-align:left;display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:.9rem;font-weight:500;color:#c9d6ef}
.field input,.field textarea{
  font:inherit;color:#0f1a2b;background:#fff;border:1px solid transparent;border-radius:10px;
  padding:12px 14px;width:100%;resize:vertical;
}
.field input:focus,.field textarea:focus{outline:2px solid #7ea6f0;border-color:#7ea6f0}
.button{align-self:flex-start;margin-top:4px;display:inline-block;background:#fff;color:var(--blue-deep);
  font-weight:600;font-family:inherit;font-size:1rem;border:0;cursor:pointer;
  padding:14px 30px;border-radius:999px;transition:.15s}
.button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 12px 30px -12px rgba(0,0,0,.5)}
.button:disabled{opacity:.6;cursor:default}
.form-status{min-height:1.2em;margin:.4em 0 0;font-size:.95rem}
.form-status.ok{color:#8ff0c0}
.form-status.err{color:#ffb4b4}

/* footer */
.site-footer{
  display:flex;align-items:center;justify-content:space-between;
  max-width:var(--maxw);margin:0 auto;padding:28px clamp(20px,5vw,48px);
  border-top:1px solid var(--line);color:var(--muted);font-size:.92rem;
}

@media(max-width:820px){
  .case{grid-template-columns:1fr;gap:20px}
  .case-media{max-width:520px}
}