@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,600;9..144,700&family=Source+Sans+3:wght@400;500;600;700&display=swap');

:root{
  --bg:#f8fafc;
  --surface:#ffffff;
  --surface-2:#f1f5f9;
  --ink:#0f172a;
  --ink-2:#334155;
  --line:#dbe4ee;
  --accent:#0f766e;
  --accent-2:#0f172a;
  --accent-soft:#ecfeff;
  --max:1180px;
  --prose:740px;
  --radius:22px;
  --shadow:0 18px 50px rgba(15,23,42,.08);
  --font-body:"Source Sans 3","Aptos","Segoe UI","Helvetica Neue",Arial,sans-serif;
  --font-display:"Fraunces","Iowan Old Style","Palatino Linotype","Book Antiqua",Georgia,serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  background:
    radial-gradient(circle at top right, rgba(15,118,110,.08), transparent 30%),
    linear-gradient(180deg,#f8fafc 0%, #ffffff 30%, #f8fafc 100%);
  color:var(--ink);
  line-height:1.72;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{display:block;max-width:100%}
.shell{width:min(var(--max), calc(100% - 40px)); margin:0 auto}
.site-header{
  position:sticky; top:0; z-index:20;
  background:rgba(248,250,252,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(15,23,42,.06);
}
.nav-shell{
  display:flex; align-items:center; justify-content:space-between;
  min-height:76px; gap:24px;
  position:relative;
}
.brand{display:flex; flex-direction:column; gap:2px; min-width:0}
.brand:hover{text-decoration:none}
.brand-name{font-weight:700; letter-spacing:-.03em; color:var(--ink)}
.brand-sub{font-size:.88rem; color:var(--ink-2); letter-spacing:.01em}
.site-nav ul{display:flex; align-items:center; gap:18px; list-style:none; padding:0; margin:0}
.site-nav a{color:var(--ink-2); font-size:.95rem}
.site-nav a.active,.site-nav a:hover{color:var(--ink); text-decoration:none}
.nav-cta{
  padding:10px 14px; border:1px solid var(--line); border-radius:999px;
  background:var(--surface); color:var(--ink)!important;
}
.menu-toggle{
  display:none; align-items:center; justify-content:center;
  background:var(--surface); border:1px solid var(--line); padding:0; width:46px; height:46px;
  border-radius:999px; box-shadow:var(--shadow); flex:0 0 auto;
}
.menu-toggle span{
  display:block; width:22px; height:2px; background:var(--ink); margin:5px auto; border-radius:999px;
}
.hero{padding:84px 0 42px}
.hero-grid{
  display:grid; grid-template-columns:1.15fr .85fr; gap:34px; align-items:start;
}
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 11px; border-radius:999px;
  border:1px solid var(--line); background:var(--surface);
  color:var(--ink-2); font-size:.84rem; margin:0 0 20px;
}
h1{
  margin:0 0 18px; font-size:clamp(2.4rem,4vw,4.7rem); line-height:1.02;
  letter-spacing:-.05em; max-width:12ch;
  font-family:var(--font-display);
  font-weight:650;
}
h2{
  margin:0 0 12px; font-size:clamp(1.45rem,2vw,2.35rem); line-height:1.15; letter-spacing:-.03em;
  font-family:var(--font-display);
  font-weight:650;
}
h3{
  margin:0 0 10px; font-size:1.12rem; line-height:1.28; letter-spacing:-.02em;
  font-family:var(--font-display);
  font-weight:600;
}
p{margin:0 0 16px; color:var(--ink-2)}
.lead{font-size:1.15rem; max-width:700px}
.principle{
  color:var(--accent-2); font-weight:650; font-size:1.02rem; margin-top:18px;
}
.actions{display:flex; flex-wrap:wrap; gap:12px; margin-top:26px}
.button{
  display:inline-flex; align-items:center; justify-content:center;
  border-radius:999px; padding:12px 18px; font-weight:700;
  background:var(--ink); color:#fff; border:1px solid var(--ink);
  box-shadow:var(--shadow); text-decoration:none;
}
.button:hover{text-decoration:none; transform:translateY(-1px)}
.button.secondary{
  background:var(--surface); color:var(--ink); border-color:var(--line); box-shadow:none;
}
.hero-panel{display:grid; gap:16px}
.panel-card,.metric-card,.card{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow);
}
.panel-card{padding:22px}
.panel-label,.card-kicker{
  font-size:.82rem; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-2); margin-bottom:8px;
}
.panel-list,.bullet-list{padding-left:18px; margin:10px 0 0}
.panel-list li,.bullet-list li{margin-bottom:8px; color:var(--ink-2)}
.bullet-list.tight li{margin-bottom:6px}
.metrics-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:14px}
.metric-card{padding:18px}
.metric-value{
  display:block; font-size:1.9rem; font-weight:800; letter-spacing:-.04em; color:var(--ink)
}
.metric-label{display:block; margin-top:6px; color:var(--ink-2); font-size:.92rem}
.proof-band{
  border-top:1px solid rgba(15,23,42,.06);
  border-bottom:1px solid rgba(15,23,42,.06);
  background:rgba(255,255,255,.7);
}
.proof-items{
  display:flex; flex-wrap:wrap; gap:18px; padding:16px 0; color:var(--ink-2); font-size:.95rem;
}
.section{padding:64px 0}
.section-alt{background:rgba(241,245,249,.7); border-top:1px solid rgba(15,23,42,.05); border-bottom:1px solid rgba(15,23,42,.05)}
.intro-grid,.split-callout,.split-columns{
  display:grid; grid-template-columns:.9fr 1.1fr; gap:34px; align-items:start;
}
.section-heading.row{
  display:flex; justify-content:space-between; align-items:end; gap:20px; margin-bottom:20px;
}
.content-col{max-width:760px}
.cards{display:grid; gap:18px}
.cards.three-up{grid-template-columns:repeat(3,minmax(0,1fr))}
.cards.two-up{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{padding:22px}
.text-link{font-weight:700}
.mini-timeline{display:grid; gap:12px}
.mini-timeline > div{
  padding:16px 18px; border-left:3px solid var(--accent); background:var(--surface); border-radius:14px; border:1px solid var(--line);
}
.mini-timeline strong{display:block; color:var(--ink)}
.mini-timeline span{display:block; color:var(--ink-2); margin-top:4px}
.cta-block{
  padding:30px; background:linear-gradient(180deg,#ffffff 0%, #f8fafc 100%);
  border:1px solid var(--line); border-radius:28px; box-shadow:var(--shadow);
}
.page-hero{padding:56px 0 22px}
.page-hero h1{max-width:none}
.page-hero-shell{max-width:820px}
.prose-layout{
  display:grid; grid-template-columns:minmax(0,1fr) 320px; gap:36px; align-items:start;
}
.prose{max-width:var(--prose)}
.sidebar{display:grid; gap:18px}
.sticky-card{position:sticky; top:96px}
.timeline-shell{display:grid; gap:18px}
.timeline-item{
  display:grid; grid-template-columns:140px 1fr; gap:22px; align-items:start;
  padding:20px 0; border-top:1px solid var(--line);
}
.timeline-item:last-child{border-bottom:1px solid var(--line)}
.timeline-year{
  font-weight:800; color:var(--ink); letter-spacing:-.02em;
}
.timeline-content p{max-width:760px}
.lesson{margin-top:10px; color:var(--ink)}
.project-stack{display:grid; gap:22px}
.project{
  background:var(--surface); border:1px solid var(--line); border-radius:28px; box-shadow:var(--shadow); padding:26px;
}
.project-head{margin-bottom:18px}
.project-grid{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:22px}
.stack-list{display:grid; gap:16px}
.content-narrow{max-width:700px}
.muted{color:var(--ink-2)}
.small-top{margin-top:18px}
.site-footer{
  margin-top:62px; padding:34px 0 46px; border-top:1px solid rgba(15,23,42,.08); background:#fff;
}
.footer-shell{display:flex; justify-content:space-between; gap:24px; flex-wrap:wrap}
.footer-note{margin-top:12px; color:var(--ink-2)}
.footer-links{display:flex; flex-wrap:wrap; gap:14px 18px}
.footer-links a{color:var(--ink-2)}
@media (max-width: 1024px){
  .hero-grid,.intro-grid,.split-callout,.split-columns,.prose-layout{grid-template-columns:1fr}
  .sidebar{order:2}
  .sticky-card{position:static}
  .nav-shell{min-height:auto; padding:14px 0; gap:16px; align-items:flex-start}
  .brand{max-width:calc(100% - 70px)}
  .menu-toggle{display:inline-flex}
  .site-nav{
    position:absolute; top:calc(100% - 2px); right:0;
    width:min(340px, calc(100vw - 32px));
    display:none;
  }
  .site-nav.open{display:block}
  .site-nav ul{
    flex-direction:column; align-items:stretch; gap:8px;
    padding:14px; border:1px solid var(--line); border-radius:20px;
    background:rgba(255,255,255,.96); box-shadow:var(--shadow);
  }
  .site-nav a{
    display:flex; align-items:center; justify-content:flex-start;
    padding:11px 14px; border:1px solid var(--line); border-radius:14px; background:var(--surface);
    color:var(--ink);
  }
  .nav-cta{margin-top:4px; text-align:center; justify-content:center!important}
  .hero{padding:72px 0 34px}
  .section{padding:58px 0}
  .section-heading.row{flex-direction:column; align-items:flex-start}
}
@media (max-width: 860px){
  .cards.three-up,.cards.two-up,.project-grid{grid-template-columns:1fr}
  .timeline-item{grid-template-columns:1fr; gap:8px}
  .metrics-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 760px){
  .site-nav{
    left:0; right:0; width:100%;
  }
  .brand{max-width:calc(100% - 64px)}
  .hero{padding-top:56px}
  .proof-items{gap:12px; font-size:.9rem}
}
@media (max-width: 640px){
  .shell{width:min(var(--max), calc(100% - 28px))}
  .hero{padding:46px 0 24px}
  .page-hero{padding:42px 0 18px}
  h1{font-size:clamp(2.05rem, 12vw, 3.3rem); max-width:11ch}
  .lead{font-size:1.05rem}
  .metrics-grid{grid-template-columns:1fr}
  .metric-card,.card,.panel-card,.project,.cta-block{padding:18px}
  .project{border-radius:24px}
  .cta-block{border-radius:24px}
  .footer-shell{gap:16px}
  .footer-links{gap:10px 14px}
}