/* Celeredge marketing site — Big-Four-disrupting editorial system.
   Paper-and-terracotta palette; Playfair Display + DM Sans typography.
   Class names are stable; only tokens and font stack changed, so the
   feature deep-dive pages inherit the new brand without HTML edits. */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400;1,700;1,900&family=DM+Sans:wght@300;400;500;600;700&display=swap');

:root{
  /* Consulting-grade brand system: logo navy + refined brick clay, on warm paper. */
  --brand:#b8542e; --brand-dark:#984229; --brand-tint:#faf4f1; --brand-tint-2:#f0e2d8;
  --ink:#090916; --body:#2f3445; --muted:#6b7280;
  --line:rgba(9,9,22,0.12); --line-strong:rgba(9,9,22,0.22);
  --bg:#f9f6f0; --bg-alt:#f0ece3; --bg-cool:#eef1f4;
  --deep:#090916; --deep-2:#14182a;
  --gold:#a87a3a; --gold-pale:#f6efdf;
  --slate:#3a4452; --slate-soft:#5a6573;
  --radius:8px; --maxw:1180px;
  --shadow:0 24px 60px -20px rgba(9,9,22,0.22);
  --shadow-sm:0 1px 2px rgba(9,9,22,0.04);
  --serif:'Playfair Display', Georgia, serif;
  --sans:'DM Sans', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--body);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3{color:var(--ink);font-family:var(--serif);letter-spacing:-.025em;line-height:1.08;font-weight:900}
h1{font-size:clamp(38px,5.6vw,62px)}
h2{font-size:clamp(28px,4vw,44px)}
h3{font-size:20px;letter-spacing:-.01em;font-weight:700}
h1 em,h2 em,h3 em{font-style:italic;color:var(--brand)}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);font-family:var(--sans)}
.lead{font-size:clamp(18px,2.2vw,21px);color:var(--body);line-height:1.65;font-weight:300}
.center{text-align:center}
.mono-accent{color:var(--brand);font-style:italic}

/* Header */
header.nav{position:sticky;top:0;z-index:50;background:rgba(249,246,240,.92);backdrop-filter:saturate(180%) blur(12px);border-bottom:.5px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:28px;height:66px;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.brand{display:inline-flex;align-items:center;text-decoration:none}
.brand img{height:24px;width:auto;display:block}
.brand .mark{width:28px;height:28px;border-radius:8px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;font-family:var(--sans)}
.nav-links{display:flex;gap:24px;margin-left:8px}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--body)}
.nav-links a:hover{color:var(--brand)}
.nav-cta{margin-left:auto;display:flex;gap:10px;align-items:center}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--sans);font-size:15px;font-weight:600;padding:11px 22px;border-radius:30px;border:1px solid transparent;transition:transform .12s ease,background .2s ease,box-shadow .2s,border-color .2s}
.btn.pri{background:var(--brand);color:#fff;box-shadow:0 4px 18px -6px rgba(184,84,46,.42)}
.btn.pri:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn.ghost{background:transparent;border-color:var(--line-strong);color:var(--ink)}
.btn.ghost:hover{border-color:var(--ink);background:var(--bg-alt)}
.btn.lg{padding:14px 28px;font-size:16px}
.btn.onDark{background:var(--bg);color:var(--ink)}
.btn.onDark.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}

/* Sections */
section{padding:88px 0}
.sec-alt{background:var(--bg-alt)}
.sec-head{max-width:760px;margin:0 auto 52px}
.sec-head.left{margin-left:0}

/* Hero */
.hero{padding:88px 0 0;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(60% 60% at 80% -10%,var(--brand-tint-2) 0%,transparent 60%),
  radial-gradient(50% 50% at 0% 10%,var(--brand-tint) 0%,transparent 55%);z-index:-1}
.hero h1{max-width:18ch}
.hero .lead{max-width:54ch;margin-top:22px}
.hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-note{margin-top:16px;font-size:14px;color:var(--muted)}
.hero-shot{margin-top:64px;border-radius:14px;border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden;background:#fff}
.hero-shot img{width:100%}

/* Logo / trust strip */
.trust{padding:40px 0;border-top:.5px solid var(--line);border-bottom:.5px solid var(--line);background:var(--deep);color:rgba(249,246,240,.65)}
.trust p{text-align:center;font-size:13px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:rgba(249,246,240,.55);margin-bottom:22px}
.logos{display:flex;flex-wrap:wrap;gap:18px 40px;justify-content:center;align-items:center}
.logos span{font-weight:500;color:rgba(249,246,240,.7);font-size:14px;letter-spacing:.06em;text-transform:uppercase}

/* Feature rows */
.feat{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.feat+.feat{margin-top:96px}
.feat.rev .feat-text{order:2}
.feat-shot{border-radius:12px;border:1px solid var(--line);box-shadow:var(--shadow-sm);overflow:hidden;background:#fff}
.feat-shot img{width:100%}
.feat-text h2{font-size:clamp(28px,3.2vw,38px)}
.feat-text .lead{margin-top:14px;font-size:18px}
.ul{margin-top:22px;display:grid;gap:11px}
.ul li{list-style:none;display:flex;gap:11px;font-size:15.5px;color:var(--body)}
.ul li::before{content:"→";flex-shrink:0;color:var(--brand);font-weight:600;margin-top:0.05rem}
.feat-text .more{margin-top:22px;display:inline-flex;align-items:center;gap:7px;font-weight:600;color:var(--brand-dark);font-style:italic;font-family:var(--serif)}
.feat-text .more:hover{gap:11px}

/* Card grid */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5px;background:var(--line);border-radius:var(--radius);overflow:hidden}
.card{background:var(--bg);border:none;padding:30px 28px;transition:background .2s}
.card:hover{background:var(--bg-alt)}
.card .ic{width:42px;height:42px;border-radius:50%;background:var(--brand-tint);display:grid;place-items:center;margin-bottom:18px}
.card .ic svg{width:21px;height:21px;stroke:var(--brand-dark)}
.card h3{margin-bottom:10px;font-size:1.25rem}
.card p{font-size:15px;color:var(--body);line-height:1.7}
.card .tag{display:inline-block;margin-top:14px;font-size:11.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:3px 10px;border-radius:20px;background:var(--brand-tint);color:var(--brand)}
.card .tag.soon{background:#F2F1EC;color:#8a7e5e}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.stat{text-align:center;padding:10px}
.stat .n{font-size:52px;font-weight:900;color:var(--ink);letter-spacing:-.03em;line-height:1;font-family:var(--serif)}
.stat .n em{font-style:italic;color:var(--brand)}
.stat .l{margin-top:12px;font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:500}

/* Quote / case */
.case{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:32px;transition:border-color .2s,transform .2s}
.case:hover{border-color:var(--brand);transform:translateY(-3px)}
.case .q{font-size:18px;color:var(--ink);line-height:1.5;font-weight:500;font-family:var(--serif);font-style:italic}
.case .by{margin-top:16px;font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:500}
.case .res{margin-top:14px;font-weight:700;color:var(--brand-dark);font-family:var(--serif);font-style:italic}

/* CTA band */
.cta-band{background:var(--deep);color:#fff;border-radius:14px;padding:64px 48px;text-align:center;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(50% 80% at 90% 0%,rgba(184,84,46,.32),transparent 60%);pointer-events:none}
.cta-band h2{color:#fff;position:relative}
.cta-band h2 em{color:var(--brand);font-style:italic}
.cta-band p{color:rgba(249,246,240,.7);max-width:54ch;margin:14px auto 0;position:relative;font-size:1.05rem}
.cta-band .hero-cta{justify-content:center;position:relative;margin-top:30px}

/* Page hero (sub-pages) */
.phero{padding:80px 0 56px;background:var(--bg-alt);border-bottom:.5px solid var(--line)}
.phero h1{font-size:clamp(34px,5vw,54px);max-width:20ch}
.phero .lead{margin-top:18px;max-width:58ch}

/* Footer */
footer{background:var(--deep);color:rgba(249,246,240,.6);padding:64px 0 36px}
.foot{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
footer .brand{color:#fff}
footer h4{color:#fff;font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px;font-weight:600;font-family:var(--sans)}
footer a{display:block;font-size:14.5px;margin-bottom:9px;color:rgba(249,246,240,.55)}
footer a:hover{color:var(--brand)}
.foot-bot{margin-top:44px;padding-top:22px;border-top:.5px solid rgba(249,246,240,.1);display:flex;justify-content:space-between;font-size:13px;flex-wrap:wrap;gap:10px;color:rgba(249,246,240,.4)}
.foot-tag{max-width:36ch;font-size:14.5px;margin-top:14px;line-height:1.55;font-style:italic;font-family:var(--serif);color:rgba(249,246,240,.55)}

@media(max-width:860px){
  .feat,.cards,.stats,.foot{grid-template-columns:1fr}
  .feat.rev .feat-text{order:0}
  .nav-links{display:none}
  section{padding:60px 0}
  .cta-band{padding:44px 24px}
}

/* ── Motion (unchanged, gated on prefers-reduced-motion) ───────────────── */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
.pulse{position:relative;display:inline-block;width:9px;height:9px;vertical-align:middle}
.pulse b{position:absolute;inset:0;border-radius:50%;background:var(--brand)}
.pulse::after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--brand);opacity:.5}
@media (prefers-reduced-motion: no-preference){
  .pulse::after{animation:pulse-ring 2.2s cubic-bezier(.16,1,.3,1) infinite}
}
@keyframes pulse-ring{0%{transform:scale(1);opacity:.5}100%{transform:scale(3);opacity:0}}

/* Animated causal graph (in features/causal.html) — terracotta on paper */
.cz{max-width:760px;margin:0 auto;display:block}
.cz-edge{fill:none;stroke-width:2.4;stroke-linecap:round;stroke-dasharray:7 8}
@media (prefers-reduced-motion: no-preference){
  .cz-edge{animation:cz-flow 1.4s linear infinite}
  .cz-pulse{transform-origin:center;transform-box:fill-box;animation:cz-glow 2.4s ease-in-out infinite}
  .cz-node{transform-origin:center;transform-box:fill-box;animation:cz-bob 4s ease-in-out infinite}
}
@keyframes cz-flow{to{stroke-dashoffset:-30}}
@keyframes cz-glow{0%,100%{opacity:.25;transform:scale(1)}50%{opacity:.55;transform:scale(1.18)}}
@keyframes cz-bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}