:root{
  --bg:#fff;
  --ink:#0b0b0b;
  --muted:#2a2a2a;
  --hair:#d8d8d8;
  --panel:#f6f6f6;

  --max:1100px;
  --radius:14px;

  --sans: system-ui, -apple-system, "Segoe UI", Arial, Helvetica, sans-serif;
  --serif: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, Garamond, "Times New Roman", serif;

  /* sticky header height */
  --header-h: 76px;

  /* stacked panels */
  --stack-field:#ececec;
  --stack-radius:20px;
  --stack-shadow: 0 20px 60px rgba(0,0,0,.08);

  /* card header label */
  --label-size:11px;
  --label-track:.14em;
}

/* Base */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  line-height:1.45;
  text-rendering:optimizeLegibility;
}

a{color:inherit; text-underline-offset:2px}
a:hover{opacity:.92}

.container{
  width:min(var(--max), calc(100% - 40px));
  margin:0 auto;
}

/* Skip link */
.skip-link{
  position:absolute;
  left:-999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}
.skip-link:focus{
  left:16px;
  top:16px;
  width:auto;
  height:auto;
  padding:10px 12px;
  background:#fff;
  border:1px solid var(--hair);
  border-radius:10px;
  z-index:9999;
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--hair);
}
.header-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:18px;
  height:var(--header-h);
  padding:0;
}
.brand{
  text-decoration:none;
  display:flex;
  align-items:center;
  height:100%;
  min-width:0;
}
.brand-logo{
  max-height:56px;
  width:auto;
  display:block;
}

.nav{
  display:flex;
  gap:18px;
  align-items:center;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.nav a{
  text-decoration:none;
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--muted);
  white-space:nowrap;
}
.nav a:hover{color:var(--ink)}
.nav a.active{
  color:var(--ink);
  text-decoration:underline;
  text-underline-offset:6px;
}
.nav-cta{
  padding:10px 12px;
  border:1px solid var(--ink);
  border-radius:999px;
  color:var(--ink)!important;
}

/* Make anchor targets land below sticky header */
section[id]{
  scroll-margin-top:calc(var(--header-h) + 22px);
}

/* Typography */
.eyebrow{
  margin:0 0 12px;
  color:var(--muted);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
}
h1{
  margin:0 0 12px;
  font-family:var(--serif);
  font-size:44px;
  letter-spacing:.01em;
  line-height:1.05;
}
.lead{
  margin:0 0 18px;
  color:var(--muted);
  font-size:16px;
  max-width:60ch;
}
h2{
  font-family:var(--serif);
  font-size:26px;
  margin:0 0 16px;
}
h3{
  font-family:var(--serif);
  margin:0 0 8px;
}

/* Buttons */
.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 14px;
  border-radius:999px;
  border:1px solid var(--ink);
  background:var(--ink);
  color:#fff;
  text-decoration:none;
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;
  color:var(--ink);
}

/* ===== STACKED CARD SCROLL (overlay takeover) ===== */
main{
  background:var(--stack-field);
  padding:28px 0 80px;
}

/* each panel is sticky */
main > .hero,
main > .section{
  position:sticky;
  top:calc(var(--header-h) + 18px);
  padding:0;
}

/* each panel's surface is the container */
main > .hero > .container,
main > .section > .container{
  position:relative; /* for label positioning */
  background:#fff;
  border:1px solid #e6e6e6;
  border-radius:var(--stack-radius);
  box-shadow:var(--stack-shadow);

  /* space for label */
  padding:64px 48px 56px;

  /* gives each panel time to "own" the scroll */
  min-height:82vh;
}

/* alt surface */
main > .section.alt > .container{
  background:#fafafa;
}

/* Overlay order — later sections on top */
main > .hero     { z-index:1; }
main > #services { z-index:2; }
main > #process  { z-index:3; }
main > #contact  { z-index:4; }

/* visible stacking depth (each next card sits slightly lower) */
main > .hero     { top:calc(var(--header-h) + 18px); }
main > #services { top:calc(var(--header-h) + 32px); }
main > #process  { top:calc(var(--header-h) + 46px); }
main > #contact  { top:calc(var(--header-h) + 60px); }

/* Card labels (section names) */
.panel-label{
  position:absolute;
  top:24px;
  left:32px;
  margin:0;
  font-size:var(--label-size);
  letter-spacing:var(--label-track);
  text-transform:uppercase;
  color:#666;
}

/* Use existing h2 as the label for sections */
main > .section h2{
  position:absolute;
  top:24px;
  left:32px;
  margin:0;
  font-size:var(--label-size);
  letter-spacing:var(--label-track);
  text-transform:uppercase;
  color:#666;
  font-family:var(--sans);
  font-weight:600;
}

/* give content breathing room under the absolute label */
main > .section .container > :not(h2){
  margin-top:18px;
}

/* Hero layout */
.hero-inner{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:24px;
  align-items:center;
}
.hero-card{
  background:var(--panel);
  border:1px solid var(--hair);
  border-radius:var(--radius);
  padding:18px;
}
.hero-card-title{
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:10px;
}
.hero-card ul{
  margin:0;
  padding-left:18px;
  color:var(--muted);
}
.hero-card li{margin:8px 0}

/* Cards / grids */
.grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:14px;
  align-items:stretch;
}
.card{
  border:1px solid var(--hair);
  border-radius:var(--radius);
  padding:18px;
  background:#fff;
}
.card p{margin:10px 0}
.steps{
  margin:0;
  padding-left:18px;
  color:var(--muted);
}
.steps li{margin:10px 0}

/* Footer */
.site-footer{
  border-top:1px solid var(--hair);
  padding:18px 0;
  color:var(--muted);
  font-size:13px;
  background:#fff;
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}

/* Utility */
.disclaimer{
  margin-top:16px;
  font-size:12px;
  font-style:italic;
  color:var(--muted);
}

/* Responsive */
@media (max-width: 920px){
  :root{ --header-h: 70px; }

  .hero-inner{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  h1{font-size:34px}

  .brand-logo{max-height:48px}
  .nav{gap:12px}
  .nav a{font-size:12px}

  main > .hero > .container,
  main > .section > .container{
    padding:54px 22px 44px;
    min-height:75vh;
  }

  main > #services { top:calc(var(--header-h) + 26px); }
  main > #process  { top:calc(var(--header-h) + 38px); }
  main > #contact  { top:calc(var(--header-h) + 50px); }

  .panel-label,
  main > .section h2{
    left:22px;
    top:20px;
  }
}

@media (max-width: 520px){
  .container{width:min(var(--max), calc(100% - 28px))}
  .header-inner{gap:12px}
  .nav-cta{padding:9px 10px}
}
/* --- Release the last card so it doesn't sit on top forever --- */
main > #contact{
  position: relative;   /* not sticky */
  top: auto;
  z-index: 4;
}

/* give it normal spacing so it reads like the "end" */
main > #contact > .container{
  min-height: auto;     /* don't force 82vh on the last one */
  padding-bottom: 72px; /* breathing room */
}