/* Ray Technical Consulting - design system
   Achromatic base, hairline depth (shadow-as-border), Geist type,
   one functional accent (teal) for state and technical labels. */

:root{
  --ink:#171717; --ink-2:#4d4d4d; --ink-3:#666666; --muted:#8f8f8f;
  --bg:#ffffff; --bg-2:#fafafa; --bg-3:#f4f4f5;
  --line:#ebebeb; --line-2:#e0e0e0;
  --accent:#0f766e; --accent-ink:#0b5d56; --accent-soft:#f0fdfa; --accent-line:#99f6e4;
  --sans:'Geist',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --mono:'Geist Mono',ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
  --max:1120px;
  --shadow-border:0 0 0 1px rgba(0,0,0,.08);
  --shadow-card:0 0 0 1px rgba(0,0,0,.08),0 2px 2px rgba(0,0,0,.04),0 8px 8px -8px rgba(0,0,0,.04);
  --shadow-lift:0 0 0 1px rgba(0,0,0,.13),0 4px 10px rgba(0,0,0,.055),0 18px 28px -14px rgba(0,0,0,.10);
  --r-sm:6px; --r:10px; --r-lg:14px;
  --pad:clamp(20px,5vw,24px);
  --gap-section:clamp(60px,8vw,108px);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  font-feature-settings:"liga" 1,"calt" 1;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
::selection{background:#ccfbf1}
a{color:var(--ink);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
img{max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:12px;background:#fff;box-shadow:var(--shadow-card);padding:10px 14px;border-radius:var(--r-sm);z-index:60}

/* ---------- header ---------- */
header.site{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);
  box-shadow:0 1px 0 0 rgba(0,0,0,.07)}
.nav{display:flex;align-items:center;gap:20px;min-height:66px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:15px;
  letter-spacing:-.015em;margin-right:auto;padding:14px 0}
.brand:hover{text-decoration:none}
.brand .mark{display:grid;place-items:center;width:24px;height:24px;border-radius:6px;
  background:var(--ink);color:#fff;font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.02em}
.links{display:flex;gap:26px;align-items:center}
.links a{font-size:14px;font-weight:500;color:var(--ink-2);padding:6px 0}
.links a:hover{color:var(--ink);text-decoration:none}
.links a[aria-current]{color:var(--ink);font-weight:600;box-shadow:inset 0 -2px 0 0 var(--accent)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 16px;border-radius:var(--r-sm);font-size:14px;font-weight:500;line-height:1;
  background:var(--ink);color:#fff;border:0;cursor:pointer;
  transition:background .16s ease,box-shadow .16s ease,transform .16s ease}
.btn:hover{background:#000;text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:#fff;color:var(--ink);box-shadow:var(--shadow-border)}
.btn.ghost:hover{background:var(--bg-2);box-shadow:0 0 0 1px rgba(0,0,0,.14)}
.btn.sm{padding:8px 13px;font-size:13.5px}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* ---------- type ---------- */
h1,h2,h3{font-weight:600;margin:0}
h1{font-size:clamp(2.35rem,5.4vw,3.6rem);line-height:1.04;letter-spacing:-.045em;text-wrap:balance}
h2{font-size:clamp(1.5rem,2.5vw,1.95rem);line-height:1.16;letter-spacing:-.03em;text-wrap:balance}
h3{font-size:1.0625rem;line-height:1.35;letter-spacing:-.012em}
.label{display:inline-block;font-family:var(--mono);font-size:11.5px;font-weight:500;
  letter-spacing:.06em;text-transform:uppercase;color:var(--accent-ink)}
.lead{font-size:clamp(1.05rem,1.35vw,1.235rem);line-height:1.58;color:var(--ink-2);
  max-width:60ch;margin:20px 0 28px}
.sub{color:var(--ink-3);font-size:1.0625rem;line-height:1.6;max-width:66ch;margin:12px 0 0}
.num{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--muted);letter-spacing:.04em}

/* ---------- hero ---------- */
.hero{position:relative;padding:clamp(56px,9vw,104px) 0 clamp(26px,3.2vw,38px);overflow:hidden}
.hero:before{content:"";position:absolute;top:-260px;left:-8%;width:min(760px,90vw);height:560px;
  background:radial-gradient(closest-side,rgba(15,118,166,.10),rgba(15,118,110,.05) 55%,transparent 72%);
  pointer-events:none}
.hero>.wrap{position:relative}
.hero .label{margin-bottom:18px}
.hero h1{max-width:22ch}
.hero.compact{padding:clamp(44px,6vw,72px) 0 clamp(28px,4vw,40px)}

/* ---------- tools strip ---------- */

/* ---------- sections ---------- */
section{padding:var(--gap-section) 0}
section.tight{padding-top:clamp(40px,5vw,64px)}
section.tint{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.head{max-width:70ch}
.head h2+.sub{margin-top:14px}

/* ---------- cards ---------- */
.grid{display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:38px}
.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:#fff;border-radius:var(--r);padding:22px;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:box-shadow .18s ease,transform .18s ease}
.card:hover{box-shadow:var(--shadow-lift);transform:translateY(-2px)}
.card .num{margin-bottom:14px}
.card h3{margin-bottom:8px}
.card p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.6}
.card .ask{margin-top:16px;font-family:var(--mono);font-size:12.5px;color:var(--accent-ink)}
.card .ask a{color:var(--accent-ink);box-shadow:inset 0 -1px 0 0 var(--accent-line)}
.card .ask a:hover{text-decoration:none;box-shadow:inset 0 -2px 0 0 var(--accent)}

/* ---------- pipeline ---------- */
.pipe{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:44px;
  border-top:1px solid var(--line)}
.pipe .step{padding:26px 26px 0 0;position:relative}
.pipe .step:before{content:"";position:absolute;top:-1px;left:0;width:34px;height:2px;background:var(--accent)}
.pipe .step .num{display:block;margin-bottom:12px}
.pipe .step h3{margin-bottom:8px}
.pipe .step p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.6;padding-bottom:4px}

/* ---------- definition list ---------- */
.deflist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px;margin-top:8px}
.deflist>div{padding:24px 0;border-top:1px solid var(--line)}
.deflist h3{margin-bottom:8px}
.deflist p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.6}

/* ---------- prose ---------- */
.prose{max-width:72ch}
.prose p{color:var(--ink-2);margin:0 0 18px}
.prose p:last-child{margin-bottom:0}
ul.check{list-style:none;margin:0;padding:0}
ul.check li{position:relative;padding-left:26px;margin-bottom:11px;color:var(--ink-2);
  font-size:15.5px;line-height:1.62}
ul.check li:before{content:"";position:absolute;left:2px;top:9px;width:12px;height:6px;
  border-left:1.75px solid var(--accent);border-bottom:1.75px solid var(--accent);
  transform:rotate(-45deg)}
ul.check li strong{color:var(--ink);font-weight:500}
.note{margin:28px 0 0;padding:18px 20px;background:var(--bg-2);border-radius:var(--r);
  box-shadow:var(--shadow-border)}
.note p{margin:0;color:var(--ink-2);font-size:15.5px;line-height:1.68}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px;margin-top:38px;
  align-items:start}
.panel{background:#fff;border-radius:var(--r);padding:24px;box-shadow:var(--shadow-card)}
.panel h3{margin-bottom:14px}
.panel dl{margin:0}
.panel dt{font-family:var(--mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;
  color:var(--accent-ink);margin-bottom:4px}
.panel dd{margin:0 0 18px;color:var(--ink-2);font-size:15px;line-height:1.6}
.panel dd:last-child{margin-bottom:0}
.panel .btn{margin-bottom:20px}

/* ---------- footer ---------- */
footer{background:var(--ink);color:#a1a1a1;padding:clamp(40px,5vw,60px) 0;font-size:14px}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
footer strong{color:#fff;font-weight:500;display:block;margin-bottom:8px;font-size:15px}
footer a{color:#fafafa}
footer a:hover{text-decoration:underline;text-underline-offset:3px}
footer .meta{font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;
  color:#7a7a7a;margin-top:34px;padding-top:22px;box-shadow:inset 0 1px 0 0 rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ---------- motion ---------- */
.js .reveal{opacity:0;transform:translateY(14px);
  transition:opacity .55s cubic-bezier(.22,.61,.24,1),transform .55s cubic-bezier(.22,.61,.24,1);
  transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  .card{transition:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pipe{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pipe .step{padding:24px 22px 24px 0;border-bottom:1px solid var(--line)}
  .contact-grid{grid-template-columns:1fr}
  footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  :root{--pad:18px}
  .links{gap:16px;order:3;width:100%;padding-bottom:12px;overflow-x:auto}
  .links a{font-size:13px;white-space:nowrap}
  .nav .btn{margin-left:auto}
  .grid,.grid.two,.deflist{grid-template-columns:1fr}
  .pipe{grid-template-columns:1fr}
  footer .cols{grid-template-columns:1fr}
  h1{letter-spacing:-.035em}
}
@media print{
  header.site,.cta-row,.hero:before{display:none}
  body{font-size:11pt}
}

/* ================= v2 refinements =================
   Stronger card definition, asymmetric hero with a spec panel,
   calm mono stack row, one dark band for contrast. */

.card{
  padding:24px;position:relative;
  box-shadow:0 0 0 1px rgba(0,0,0,.10),0 1px 2px rgba(0,0,0,.05),0 10px 18px -14px rgba(0,0,0,.18);
}
.card:hover{
  box-shadow:0 0 0 1px rgba(0,0,0,.16),0 2px 4px rgba(0,0,0,.06),0 20px 32px -16px rgba(0,0,0,.24);
  transform:translateY(-3px);
}
.card:before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  border-radius:var(--r) var(--r) 0 0;
  background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.95),rgba(255,255,255,0));
}

/* hero: copy left, engagement spec right */
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:clamp(28px,4vw,56px);align-items:start}
.spec{background:#fff;border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-card)}
.spec .spec-label{display:block;font-family:var(--mono);font-size:11.5px;font-weight:500;
  letter-spacing:.06em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:18px}
.spec dl{margin:0}
.spec dt{font-size:13.5px;font-weight:500;color:var(--ink);margin-bottom:5px}
.spec dd{margin:0 0 18px;color:var(--ink-3);font-size:14.5px;line-height:1.62}
.spec dd:last-of-type{margin-bottom:0}
.spec .spec-foot{margin-top:20px;padding-top:16px;box-shadow:inset 0 1px 0 0 var(--line);
  font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;
  color:var(--muted);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* dark band */
.band{background:var(--ink);color:#fff}
.band h2{color:#fff}
.band .sub{color:#a6a6a6}
.band .label{color:#5eead4}
.band .btn{background:#fff;color:var(--ink)}
.band .btn:hover{background:#e5e5e5}
.band .btn.ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.28)}
.band .btn.ghost:hover{background:rgba(255,255,255,.08)}

/* pipeline reads a touch larger */
.pipe .step p{font-size:15.5px}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .spec{margin-top:4px}
}
@media (max-width:720px){
}

/* ================= v3 refinements ================= */
/* 1. anchor the spec panel to the hero copy baseline */
.hero-grid{align-items:stretch}
.spec{display:flex;flex-direction:column}
.spec .spec-foot{margin-top:auto}

/* 3. ghost button reads as a real control */
.btn.ghost{box-shadow:inset 0 0 0 1px rgba(0,0,0,.16)}
.btn.ghost:hover{background:var(--bg-3);box-shadow:inset 0 0 0 1px rgba(0,0,0,.3)}

@media (max-width:900px){
}
@media (max-width:560px){
}