/* celynx — two-colour editorial system. Palette is strictly #f6f4f0 + #1a1a1a. */
:root{
  --bg:#f6f4f0;
  --ink:#1a1a1a;
  --line:rgba(26,26,26,.16);
  --muted:rgba(26,26,26,.60);
  --bg-muted:rgba(246,244,240,.66);
  --maxw:1160px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  font-size:17px;
  line-height:1.62;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
p{margin:0}
::selection{background:var(--ink);color:var(--bg)}

.serif{font-family:"Newsreader",Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:-.012em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 30px}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:500}

/* ---- header ---- */
.site-header{position:sticky;top:0;z-index:30;background:var(--bg);border-bottom:1px solid var(--line)}
.site-header .container{display:flex;align-items:center;gap:30px;height:74px}
.wordmark{font-family:"Newsreader",Georgia,serif;font-size:25px;letter-spacing:-.02em;margin-right:auto}
.nav{display:flex;align-items:center;gap:28px}
.nav a:not(.btn){font-size:14px;color:var(--muted);letter-spacing:.01em}
.nav a:not(.btn):hover,.nav a:not(.btn).active{color:var(--ink)}

/* ---- buttons ---- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-size:14px;font-weight:500;letter-spacing:.02em;
  padding:12px 21px;border:1px solid var(--ink);border-radius:2px;
  background:transparent;color:var(--ink);cursor:pointer;
  transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--ink);color:var(--bg)}
.btn-primary:hover{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--bg)}
.btn-invert{background:var(--bg);color:var(--ink);border-color:var(--bg)}
.btn-invert:hover{background:transparent;color:var(--bg)}
.arrow{font-size:1.05em;line-height:1}

/* ---- hero ---- */
.hero{padding:104px 0 64px}
.hero h1{
  font-family:"Newsreader",Georgia,serif;font-weight:400;letter-spacing:-.02em;
  font-size:clamp(2.7rem,6.4vw,5.5rem);line-height:1.02;margin:20px 0 0;max-width:17ch;
}
.hero h1 em{font-style:italic}
.hero .lede{font-size:clamp(1.06rem,1.5vw,1.3rem);color:var(--muted);max-width:53ch;margin:28px 0 0}
.hero-actions{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.strip{
  list-style:none;display:flex;flex-wrap:wrap;gap:14px 30px;
  padding:20px 0;margin:60px 0 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  color:var(--muted);font-size:.92rem;letter-spacing:.01em;
}

/* ---- sections ---- */
.section{padding:84px 0;border-top:1px solid var(--line)}
.section:first-of-type{border-top:none}
.sec-eyebrow{display:flex;gap:12px;align-items:baseline}
.sec-title{
  font-family:"Newsreader",Georgia,serif;font-weight:400;letter-spacing:-.015em;
  font-size:clamp(1.9rem,3.7vw,3rem);line-height:1.08;margin:18px 0 0;max-width:22ch;
}
.sec-body{margin-top:26px;max-width:60ch;color:var(--muted)}
.sec-body p+p{margin-top:16px}

/* ---- ruled grid (pillars) ---- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:48px;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.cell{padding:28px 26px 34px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.cell .k{font-family:"Newsreader",Georgia,serif;color:var(--muted);font-size:15px}
.cell h3{font-size:1.08rem;font-weight:500;letter-spacing:-.01em;margin:12px 0 9px}
.cell p{color:var(--muted);font-size:.98rem}

/* ---- numbered rows ---- */
.rows{margin-top:44px;border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:66px 1fr;gap:26px;padding:26px 0;border-bottom:1px solid var(--line);align-items:start}
.row .n{font-family:"Newsreader",Georgia,serif;font-size:1.4rem;color:var(--muted);line-height:1.2}
.row h3{margin:0 0 7px;font-size:1.14rem;font-weight:500;letter-spacing:-.01em}
.row p{color:var(--muted)}

/* ---- inverted band ---- */
.band{background:var(--ink);color:var(--bg)}
.band .container{padding-top:88px;padding-bottom:88px}
.band .eyebrow{color:var(--bg-muted)}
.band h2{
  font-family:"Newsreader",Georgia,serif;font-weight:400;letter-spacing:-.015em;
  font-size:clamp(1.9rem,3.7vw,3rem);line-height:1.1;margin:18px 0 0;max-width:20ch;
}
.band p{color:var(--bg-muted);margin:22px 0 0;max-width:52ch}
.band .hero-actions{margin-top:34px}

/* ---- footer ---- */
.site-footer{border-top:1px solid var(--line);padding:56px 0 40px}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.foot-top .wordmark{margin:0;display:inline-block}
.foot-note{color:var(--muted);margin-top:14px;max-width:34ch;font-size:.96rem}
.foot-col h4{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:500;margin:6px 0 16px}
.foot-col a{display:block;color:var(--muted);font-size:.98rem;padding:5px 0}
.foot-col a:hover{color:var(--ink)}
.foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:52px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:.86rem}

/* ---- responsive ---- */
@media (max-width:820px){
  .grid{grid-template-columns:1fr;border-left:none}
  .cell{border-right:none}
  .foot-top{grid-template-columns:1fr;gap:34px}
}
@media (max-width:560px){
  .container{padding:0 22px}
  .nav a{display:none}
  .nav .btn{display:inline-flex}
  .hero{padding:72px 0 52px}
  .section{padding:64px 0}
}