/* Webwright — The Web Craft Field Guide
   Independent editorial theme. Content is visible with CSS alone;
   JavaScript is enhancement only. No scroll-reveal / no AOS. */

:root{
  --ink:#14152b;
  --indigo-700:#3538cd;
  --indigo-600:#4f46e5;
  --indigo-500:#6366f1;
  --indigo-100:#e0e3ff;
  --indigo-50:#eef1ff;
  --amber:#f59e0b;
  --amber-soft:#fbbf24;
  --slate-700:#374151;
  --slate-600:#475569;
  --slate-500:#64748b;
  --slate-400:#94a3b8;
  --paper:#ffffff;
  --paper-alt:#f6f7fc;
  --line:#e6e8f2;
  --shadow-sm:0 1px 2px rgba(20,21,43,.06),0 4px 14px rgba(20,21,43,.05);
  --shadow-md:0 10px 34px rgba(53,56,205,.10);
  --radius:16px;
  --radius-sm:10px;
  --wrap:1120px;
  --measure:70ch;
}

/* Safeguard: never let any reveal-animation hide content waiting on JS. */
[data-aos]{opacity:1 !important;transform:none !important;}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  font-size:18px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--indigo-600);text-decoration-thickness:1.5px;text-underline-offset:2px}
a:hover{color:var(--indigo-700)}
h1,h2,h3{font-family:"Space Grotesk","Inter",sans-serif;line-height:1.15;color:var(--ink);letter-spacing:-.01em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

.skip{position:absolute;left:-9999px;top:0;background:var(--indigo-600);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:200}
.skip:focus{left:0}

.kicker{
  display:inline-block;font-family:"JetBrains Mono",monospace;font-weight:600;
  font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--indigo-600);
  background:var(--indigo-50);border:1px solid var(--indigo-100);
  padding:5px 11px;border-radius:100px;margin-bottom:18px;
}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand-mark{
  display:grid;place-items:center;width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--indigo-600),var(--indigo-700));color:#fff;
  font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:1.2rem;box-shadow:var(--shadow-sm);flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:1.12rem;letter-spacing:-.02em}
.brand-sub{font-size:.72rem;color:var(--slate-500);font-weight:500}
.primary-nav{display:flex;flex-wrap:wrap;gap:2px;align-items:center}
.primary-nav a{
  color:var(--slate-600);text-decoration:none;font-weight:500;font-size:.94rem;
  padding:8px 12px;border-radius:9px;white-space:nowrap;
}
.primary-nav a:hover{color:var(--indigo-700);background:var(--indigo-50)}
.primary-nav a[aria-current="page"]{color:var(--indigo-700);background:var(--indigo-50);font-weight:600}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:10px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}

/* ---------- Masthead ---------- */
.masthead{padding:56px 0 24px;background:linear-gradient(180deg,var(--paper-alt),var(--paper))}
.masthead h1{font-size:clamp(2rem,4.6vw,3.15rem);font-weight:700;margin:.1em 0 .35em;max-width:20ch}
.masthead .deck{font-size:1.16rem;color:var(--slate-600);max-width:60ch;margin:0}
.masthead-home{background:linear-gradient(160deg,#0f1030 0%,#282a7a 55%,#3538cd 100%);color:#fff;padding:72px 0 40px}
.masthead-home h1{color:#fff;max-width:24ch;font-size:clamp(2.1rem,5.2vw,3.5rem)}
.masthead-home .deck{color:#c7c9f2;max-width:64ch}
.masthead-home .kicker{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22);color:#dfe1ff}

/* ---------- Lead figure ---------- */
.lead-figure{margin:0;padding:28px 0 0}
.lead-figure img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow-md);border:1px solid var(--line)}

/* ---------- Home cards ---------- */
.cards{padding:48px 0 8px}
.cards-head{margin-bottom:26px}
.cards-head h2{font-size:clamp(1.6rem,3vw,2.2rem);margin:.2em 0 0}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:18px}
.card{
  display:flex;flex-direction:column;text-decoration:none;color:var(--ink);
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .18s,border-color .18s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--indigo-100)}
.card h3{font-size:1.18rem;margin:0 0 8px}
.card p{margin:0 0 16px;color:var(--slate-600);font-size:.96rem;line-height:1.55;flex:1}
.card-go{font-family:"JetBrains Mono",monospace;font-size:.8rem;font-weight:600;color:var(--indigo-600)}

/* ---------- Article / prose ---------- */
.article{padding:40px 0 24px}
.prose{max-width:var(--measure)}
.prose h2{font-size:clamp(1.4rem,2.6vw,1.85rem);margin:1.9em 0 .5em;padding-top:.2em}
.prose h2:first-child,.prose > h2:first-of-type{margin-top:.2em}
.prose h3{font-size:1.22rem;margin:1.5em 0 .4em}
.prose p{margin:0 0 1.15em}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:1.3em}
.prose li{margin:.42em 0}
.prose li::marker{color:var(--indigo-500)}
.prose strong{color:var(--ink);font-weight:600}
.prose a{font-weight:500}
.prose > p:first-of-type{font-size:1.14rem;color:var(--slate-700)}

/* Contact form (about page) */
.contact-form{display:flex;flex-direction:column;gap:6px;max-width:520px;margin:1.4em 0 0;background:var(--paper-alt);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.contact-form label{font-weight:600;font-size:.85rem;margin-top:10px;color:var(--slate-700)}
.contact-form input,.contact-form textarea{
  font:inherit;font-size:.98rem;padding:11px 13px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;color:var(--ink);
}
.contact-form input:focus,.contact-form textarea:focus{outline:2px solid var(--indigo-500);outline-offset:1px;border-color:var(--indigo-500)}
.contact-form button{
  margin-top:16px;align-self:flex-start;background:var(--indigo-600);color:#fff;border:0;font-weight:600;
  font-size:1rem;padding:12px 26px;border-radius:100px;cursor:pointer;box-shadow:var(--shadow-sm);transition:background .18s,transform .18s;
}
.contact-form button:hover{background:var(--indigo-700);transform:translateY(-1px)}

/* ---------- 404 ---------- */
.notfound{padding:80px 24px 100px;text-align:center;max-width:720px}
.notfound h1{font-size:clamp(2rem,5vw,3rem);margin:.1em 0 .3em}
.notfound .deck{color:var(--slate-600);font-size:1.12rem}
.nf-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:28px}
.nf-links a{background:var(--indigo-50);border:1px solid var(--indigo-100);color:var(--indigo-700);text-decoration:none;padding:9px 18px;border-radius:100px;font-weight:500;font-size:.95rem}
.nf-links a:hover{background:var(--indigo-100)}

/* ---------- Footer ---------- */
.site-footer{margin-top:64px;background:var(--ink);color:#c9cbe6}
.footer-inner{display:grid;grid-template-columns:1.1fr 2fr;gap:44px;padding:56px 24px 34px}
.footer-brand{display:flex;gap:14px;align-items:flex-start}
.footer-tag{margin:0;font-size:.95rem;line-height:1.55;color:#a9abcf}
.footer-tag strong{color:#fff;font-family:"Space Grotesk",sans-serif;font-size:1.05rem}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.footer-col h2{font-size:.76rem;text-transform:uppercase;letter-spacing:.16em;color:#7d80b3;margin:0 0 14px;font-family:"JetBrains Mono",monospace;font-weight:600}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin:.5em 0}
.footer-col a{color:#c9cbe6;text-decoration:none;font-size:.95rem}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-base{border-top:1px solid rgba(255,255,255,.09);padding:20px 24px 40px}
.footer-base p{margin:0;font-size:.85rem;color:#8688b5}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  body{font-size:17px}
  .nav-toggle{display:flex}
  .primary-nav{
    position:fixed;inset:70px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);padding:8px 16px 18px;
    box-shadow:var(--shadow-md);display:none;
  }
  .primary-nav.open{display:flex}
  .primary-nav a{padding:13px 12px;border-radius:8px;font-size:1rem}
  .footer-inner{grid-template-columns:1fr;gap:32px}
  .footer-cols{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
  .footer-cols{grid-template-columns:1fr}
  .masthead{padding:40px 0 18px}
  .brand-sub{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important}
}