/* ==========================================================================
   Foundations
   ========================================================================== */

:root {
  --bg:#f5f3ee;
  --surface:#ffffff;
  --ink:#121212;
  --muted:#66635e;
  --line:#d7d2c8;
  --accent:#ff5c35;
  --accent-ink:#ffffff;
  --max:1180px;
}

* { box-sizing:border-box }
html { scroll-behavior:smooth }
body { margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55 }
a { color:inherit }

/* Layout utilities */

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

/* Accessibility */

.skip-link { position:absolute;left:-10000px;top:auto }
.skip-link:focus { left:20px;top:20px;background:#fff;padding:10px;z-index:100 }

/* ==========================================================================
   Header and navigation
   ========================================================================== */

.site-header{position:sticky;top:0;z-index:50;background:rgba(245,243,238,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:grid;place-items:center;flex:0 0 42px;width:42px;height:42px;border:1px solid var(--ink);border-radius:50%;text-decoration:none;font-weight:800;letter-spacing:-.04em}
nav{display:flex;gap:24px;align-items:center;flex-wrap:wrap}
nav a{text-decoration:none;font-size:.88rem;color:var(--muted)}
nav a:hover{color:var(--ink)}

/* ==========================================================================
   Home page
   ========================================================================== */

/* Hero */

.hero{min-height:calc(100vh - 72px);display:grid;grid-template-columns:1.35fr .65fr;gap:70px;align-items:center;padding-block:90px}
.eyebrow,.mini-label,.card-kicker{font-size:.77rem;text-transform:uppercase;letter-spacing:.14em;font-weight:800;color:var(--muted)}
.hero h1,.page-hero h1{font-size:clamp(4rem,10vw,8.8rem);line-height:.82;letter-spacing:-.075em;margin:.25em 0 .3em;font-weight:850}
.hero h1 span{display:block}
.lede{font-size:clamp(1.25rem,2vw,1.75rem);line-height:1.35;max-width:780px;color:#292825}
.hero-actions,.contact-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border:1px solid var(--ink);text-decoration:none;font-weight:700;font-size:.9rem;border-radius:999px;background:transparent}
.button:hover{transform:translateY(-1px)}
.button.primary{background:var(--ink);color:#fff}
.proof-strip{list-style:none;padding:0;margin:46px 0 0;display:flex;gap:10px;flex-wrap:wrap}
.proof-strip li,.stack a,.status{border:1px solid var(--line);border-radius:999px;padding:7px 10px;font-size:.78rem;background:rgba(255,255,255,.45)}
.proof-strip a,.stack a{text-decoration:none}
.proof-strip li:hover{border-color:var(--ink);background:var(--surface)}
.hero-card{background:var(--ink);color:#fff;border-radius:24px;padding:34px}
.hero-card-intro{display:flex;align-items:center;gap:18px;margin-bottom:28px}
.hero-card-intro .mini-label{margin:0}
.avatar{width:clamp(76px,8vw,104px);height:clamp(76px,8vw,104px);display:block;object-fit:cover;border:3px solid #fff;border-radius:50%;box-shadow:0 0 0 1px rgba(255,255,255,.2)}
.hero-card .mini-label{color:#bdb9b0}
.hero-card h2{font-size:2rem;line-height:1.06;letter-spacing:-.04em}
.hero-card p{color:#d2cfc7}
.stack{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px}
.stack a{border-color:#4c4c4c;background:#1a1a1a;color:#fff}
.stack a:hover{border-color:#fff;background:#292929}

/* Sections and cards */

.section{padding-block:110px;border-top:1px solid var(--line)}
.section-heading{display:grid;grid-template-columns:.4fr 1.1fr .9fr;gap:40px;align-items:start;margin-bottom:48px}
.section-heading h2,.about-grid h2,.contact-section h2{font-size:clamp(2.4rem,5vw,5.5rem);line-height:.95;letter-spacing:-.055em;margin:0}
.section-heading p:last-child{margin:0;color:var(--muted);font-size:1.05rem}
.grid{display:grid;gap:16px}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.two{grid-template-columns:repeat(2,1fr)}
.card{background:var(--surface);border:1px solid var(--line);padding:28px;border-radius:18px;min-height:260px}
.card.large{min-height:320px}
.card h3,.framework h3,.publication-feature h3{font-size:1.65rem;line-height:1.08;letter-spacing:-.035em;margin:.35em 0}
.card p{color:var(--muted)}
.card-link{text-decoration:none;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.card-link:hover{transform:translateY(-3px);border-color:var(--ink);box-shadow:0 10px 25px rgba(18,18,18,.08)}

/* Frameworks */

.framework-list{border-top:1px solid var(--line)}
.framework{position:relative;display:grid;grid-template-columns:1fr 1.2fr auto;gap:30px;align-items:center;padding:28px 0;border-bottom:1px solid var(--line)}
.framework h3{margin:.45rem 0 0}
.framework p{color:var(--muted);margin:0}
.framework>a{text-decoration:none;font-weight:800}
.framework>a::after{content:"";position:absolute;inset:0}
.framework:hover h3{text-decoration:underline;text-underline-offset:4px}
.status{display:inline-block;padding:4px 8px;background:#fff}
.callout{margin-top:56px;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:30px;display:grid;grid-template-columns:1fr 1fr auto;gap:28px;align-items:center}
.callout h3{font-size:1.7rem;margin:.3rem 0 0;line-height:1.1}
.callout p{color:var(--muted)}

/* Publications and links */

.publication-feature{background:var(--ink);color:#fff;padding:36px;border-radius:20px;display:flex;justify-content:space-between;align-items:end;gap:40px}
.publication-feature p{color:#cac7c0;max-width:700px}
.publication-feature .button{border-color:#fff}
.link-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.text-link{background:var(--surface);border:1px solid var(--line);padding:22px;border-radius:16px;text-decoration:none;display:flex;justify-content:space-between;gap:20px}
.text-link>*{min-width:0}
.text-link span{color:var(--muted)}

/* Experience timeline */

.timeline{border-top:1px solid var(--line)}
.timeline-item{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--line);text-decoration:none}
.timeline-item:hover h3{text-decoration:underline;text-underline-offset:4px}
.timeline-item span{font-weight:800}
.timeline-item h3{margin:0 0 5px;font-size:1.35rem}
.timeline-item p{margin:0;color:var(--muted)}

/* About and contact */

.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.about-copy{font-size:1.2rem;color:#363431}
.contact-section{padding-bottom:130px}
.contact-section>p:not(.eyebrow){font-size:1.18rem;color:var(--muted);max-width:760px}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer{background:var(--ink);color:#bbb8b1;padding:26px 0}
.footer-grid{display:flex;justify-content:space-between;gap:20px;font-size:.85rem}

/* ==========================================================================
   Framework detail pages
   ========================================================================== */

.page-hero{padding-block:110px 80px}
.page-hero h1{font-size:clamp(5rem,12vw,10rem)}
.framework-page h2{font-size:clamp(2.8rem,6vw,6rem);letter-spacing:-.055em;line-height:.95;margin:.2em 0 .8em}
.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.content-grid h3{font-size:1.1rem}
.content-grid ul{padding-left:20px}
.notice{margin-top:40px;padding:18px;border:1px solid var(--line);background:rgba(255,255,255,.5);border-radius:14px;color:var(--muted)}
.framework-page .content-grid+.button{margin-top:28px}

a:focus-visible{outline:3px solid var(--accent);outline-offset:4px}

/* ==========================================================================
   Article pages
   ========================================================================== */

.article-hero{padding-block:90px 70px}
.article-hero h1{font-size:clamp(3.6rem,9vw,8rem);line-height:.88;letter-spacing:-.07em;margin:.25em 0 .3em;max-width:1050px}
.article-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:32px}
.article-meta span{border:1px solid var(--line);border-radius:999px;padding:7px 10px;font-size:.78rem;background:rgba(255,255,255,.45)}
.article-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:80px;align-items:start}
.article-nav{position:sticky;top:104px}
.article-nav p{margin-top:0}
.article-nav a{display:block;padding:9px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--muted);font-size:.9rem}
.article-nav a:hover{color:var(--ink)}
.article-sections{border-top:1px solid var(--line)}
.article-section{padding-block:64px;border-bottom:1px solid var(--line);scroll-margin-top:90px}
.article-section h2{font-size:clamp(2.1rem,4.5vw,4.5rem);line-height:.95;letter-spacing:-.05em;margin:.2em 0 .45em}
.article-section>p:not(.eyebrow){max-width:720px;color:var(--muted);font-size:1.05rem}
.placeholder{margin-top:28px;min-height:140px;padding:26px;border:1px dashed #aaa59c;border-radius:16px;background:rgba(255,255,255,.35);display:flex;flex-direction:column;justify-content:center}
.placeholder h3{margin:0 0 6px;font-size:1.05rem}
.placeholder p{margin:0;color:var(--muted)}
.code-placeholder{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.9rem;background:var(--ink);color:#d2cfc7;border-style:solid}
.code-placeholder h3{color:#fff;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}

/* ==========================================================================
   Responsive styles
   ========================================================================== */

@media(max-width:900px){
  .nav-wrap{gap:16px}
  nav{flex:1;min-width:0;flex-wrap:nowrap;gap:18px;overflow-x:auto;overscroll-behavior-inline:contain;scrollbar-width:none}
  nav::-webkit-scrollbar{display:none}
  nav a{flex:0 0 auto}
  .hero{grid-template-columns:1fr;min-height:auto;gap:40px}
  .section-heading{grid-template-columns:1fr}
  .grid.three{grid-template-columns:repeat(2,1fr)}
  .link-grid,.about-grid,.content-grid{grid-template-columns:1fr}
  .framework{grid-template-columns:1fr}
  .callout{grid-template-columns:1fr}
  .publication-feature{align-items:start;flex-direction:column}
  .article-layout{grid-template-columns:1fr;gap:30px}
  .article-nav{position:static;display:grid;grid-template-columns:repeat(3,1fr)}
  .article-nav p{grid-column:1/-1}
}
@media(max-width:650px){
  .shell{width:min(calc(100% - 24px),var(--max))}
  .nav-wrap{height:64px}
  .brand{flex-basis:38px;width:38px;height:38px}
  nav{gap:16px}
  .hero{padding-block:65px}
  .section{padding-block:80px}
  .hero h1{font-size:clamp(3rem,16vw,5rem);line-height:.88;letter-spacing:-.06em;overflow-wrap:anywhere}
  .page-hero{padding-block:72px 56px}
  .page-hero h1{font-size:clamp(3rem,16vw,5rem)}
  .framework-page h2,.section-heading h2,.about-grid h2,.contact-section h2{overflow-wrap:anywhere}
  .hero-card,.card{padding:24px}
  .grid.three,.grid.two{grid-template-columns:1fr}
  .proof-strip{margin-top:32px}
  .text-link{align-items:flex-start;flex-direction:column;gap:4px}
  .timeline-item{grid-template-columns:72px 1fr}
  .footer-grid{flex-direction:column}
  .article-hero{padding-block:65px 50px}
  .article-hero h1{font-size:clamp(3rem,15vw,5rem)}
  .article-nav{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:360px){
  .hero-actions .button,.contact-links .button{width:100%}
  .article-nav{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}