/* ══════════════════════════════════════════════════════════════
   AxiLayer AI — shared stylesheet for the framework & service
   landing pages (/frameworks/*, /services/*, /404).
   Design language follows the government capability profile:
   navy field, gold hairline rules, Cormorant Garamond for the
   institutional voice, Barlow for reading, IBM Plex Mono for
   dates and identifiers set the way they appear in the register.
   ══════════════════════════════════════════════════════════════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --navy:#0D1B3E;
  --navy-mid:#16264F;
  --navy-deep:#080F20;
  --ink:#0A0F1E;
  --gold:#B8882A;
  --gold-light:#D4A84B;
  --gold-pale:#F5E9CC;
  --cream:#F7F5F1;
  --paper:#FBFAF7;
  --white:#FFFFFF;
  --gray-light:#F0EEE9;
  --gray:#7E7B74;
  --gray-dark:#43413C;
  --text:#1A1A1A;
  --border:#E0DBCC;
  --border-light:#EAE4D8;
  --line-dark:rgba(212,168,75,.22);
  --font-display:"Cormorant Garamond",Georgia,serif;
  --font-body:"Barlow",-apple-system,sans-serif;
  --font-cond:"Barlow Condensed",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{font-family:var(--font-body);color:var(--text);background:var(--white);line-height:1.7;font-size:16.5px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
::selection{background:var(--gold-pale);color:var(--navy)}

.wrap{max-width:1180px;margin:0 auto;padding:0 2.5rem}

/* ── Top bar ─────────────────────────────────────────────────── */
.topbar{position:sticky;top:0;z-index:60;background:var(--navy);border-bottom:1px solid rgba(212,168,75,.28)}
.topbar-inner{max-width:1180px;margin:0 auto;padding:.8rem 2.5rem;display:flex;align-items:center;gap:1.6rem;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none}
.brand img{width:34px;height:34px;border-radius:50%;object-fit:cover;border:1px solid rgba(212,168,75,.4)}
.brand-name{font-family:var(--font-display);font-size:1.28rem;font-weight:600;color:var(--white);letter-spacing:.01em}
.brand-name span{color:var(--gold-light)}
.topnav{display:flex;align-items:center;gap:1.35rem;margin-left:auto;flex-wrap:wrap}
.topnav a{font-family:var(--font-cond);font-size:.82rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.78);text-decoration:none;transition:color .2s}
.topnav a:hover{color:var(--gold-light)}
.topnav a.cta{background:var(--gold);color:var(--white);padding:.5rem 1.15rem;border-radius:3px;letter-spacing:.11em}
.topnav a.cta:hover{background:var(--gold-light);color:var(--navy)}

/* ── Hero ────────────────────────────────────────────────────── */
.hero{background:var(--navy);color:var(--white);position:relative;overflow:hidden;padding:5.5rem 0 5rem}
.hero::before{
  content:'';position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line-dark) 1px,transparent 1px),linear-gradient(90deg,var(--line-dark) 1px,transparent 1px);
  background-size:78px 78px;
}
.hero::after{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 75% 90% at 22% 8%,rgba(22,38,79,.0),rgba(8,15,32,.65))}
.hero .wrap{position:relative;z-index:1}
.crumbs{font-family:var(--font-cond);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.55);margin-bottom:2.4rem}
.crumbs a{color:rgba(255,255,255,.55);text-decoration:none}
.crumbs a:hover{color:var(--gold-light)}
.crumbs .sep{color:var(--gold);margin:0 .5rem}
.eyebrow{font-family:var(--font-cond);font-weight:600;font-size:.76rem;letter-spacing:.28em;text-transform:uppercase;color:var(--gold-light);display:flex;align-items:center;gap:.85rem}
.eyebrow::after{content:'';height:1px;flex:1;background:linear-gradient(90deg,var(--gold-light),transparent);max-width:120px}
.hero h1{font-family:var(--font-display);font-weight:500;font-size:clamp(2.5rem,5.2vw,4rem);line-height:1.08;letter-spacing:-.01em;margin:1.2rem 0 0;max-width:19ch}
.hero h1 em{font-style:italic;color:var(--gold-light)}
.hero-lede{max-width:64ch;color:rgba(255,255,255,.74);margin-top:1.5rem;font-size:1.12rem;line-height:1.75}
.hero-meta{display:flex;gap:2.75rem;flex-wrap:wrap;margin-top:2.75rem;padding-top:1.9rem;border-top:1px solid rgba(212,168,75,.3)}
.hero-meta .hm{min-width:130px}
.hero-meta .hm-label{font-family:var(--font-cond);font-size:.72rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.hero-meta .hm-value{font-family:var(--font-mono);font-size:.98rem;color:var(--gold-pale);margin-top:.35rem}

/* ── Sections ────────────────────────────────────────────────── */
section{padding:5.75rem 0;position:relative}
.on-paper{background:var(--paper)}
.on-cream{background:var(--cream);border-top:1px solid var(--border-light);border-bottom:1px solid var(--border-light)}
.on-navy{background:var(--navy);color:rgba(255,255,255,.86)}
h2.sec-title{font-family:var(--font-display);font-weight:500;font-size:clamp(1.9rem,3.6vw,2.85rem);line-height:1.12;color:var(--navy);letter-spacing:-.01em;margin:1.1rem 0 0}
h2.sec-title em{font-style:italic;color:var(--gold)}
.on-navy h2.sec-title{color:var(--white)}
.sec-lede{max-width:62ch;color:var(--gray-dark);margin-top:1.15rem;font-size:1.05rem}
.on-navy .sec-lede{color:rgba(255,255,255,.72)}

/* ── Prose ───────────────────────────────────────────────────── */
.prose{max-width:70ch;margin-top:2.2rem}
.prose p{margin:0 0 1.25rem;color:var(--gray-dark)}
.prose p strong{color:var(--navy)}
.prose h3{font-family:var(--font-display);font-weight:600;font-size:1.42rem;color:var(--navy);margin:2.2rem 0 .8rem}
.prose ul{margin:0 0 1.25rem 1.2rem;color:var(--gray-dark)}
.prose li{margin-bottom:.55rem}
.prose a{color:var(--gold);text-decoration:underline;text-decoration-color:rgba(184,136,42,.4);text-underline-offset:3px}
.prose a:hover{text-decoration-color:var(--gold)}

/* ── Two-column ledger layout ────────────────────────────────── */
.split{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:4.5rem;align-items:start;margin-top:2.5rem}
.side-card{border:1px solid var(--border);background:var(--white);padding:2rem 2rem 1.6rem;position:sticky;top:96px}
.side-card h3{font-family:var(--font-cond);font-size:.8rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin-bottom:1.2rem;padding-bottom:.9rem;border-bottom:1px solid var(--border-light)}
.side-card ul{list-style:none}
.side-card li{padding:.6rem 0;border-bottom:1px solid var(--border-light);font-size:.95rem;color:var(--gray-dark)}
.side-card li:last-child{border-bottom:none}
.side-card li a{text-decoration:none;color:var(--navy);display:flex;justify-content:space-between;gap:1rem}
.side-card li a::after{content:'→';color:var(--gold);opacity:.7}
.side-card li a:hover{color:var(--gold)}

/* ── Timeline (obligation dates) ─────────────────────────────── */
.timeline{margin-top:2.6rem;border-left:2px solid var(--gold);padding-left:0;list-style:none;max-width:760px}
.timeline li{position:relative;padding:0 0 2rem 2.1rem}
.timeline li::before{content:'';position:absolute;left:-7px;top:.5em;width:12px;height:12px;border-radius:50%;background:var(--gold-pale);border:2px solid var(--gold)}
.timeline .tl-date{font-family:var(--font-mono);font-size:.86rem;color:var(--gold);letter-spacing:.02em}
.timeline .tl-title{font-family:var(--font-display);font-weight:600;font-size:1.25rem;color:var(--navy);margin:.2rem 0 .35rem}
.timeline .tl-body{color:var(--gray-dark);font-size:.98rem;max-width:64ch}
.timeline li.past .tl-date::after{content:'— in force';color:var(--gray);margin-left:.6rem;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}

/* ── Numbered service ledger ─────────────────────────────────── */
.ledger{margin-top:2.75rem;border-top:1px solid var(--border);counter-reset:row}
.ledger-row{display:grid;grid-template-columns:70px minmax(0,4fr) minmax(0,7fr);gap:2rem;padding:1.9rem 0;border-bottom:1px solid var(--border);counter-increment:row}
.ledger-row::before{content:counter(row,decimal-leading-zero);font-family:var(--font-mono);font-size:.95rem;color:var(--gold);padding-top:.3rem}
.ledger-row h3{font-family:var(--font-display);font-weight:600;font-size:1.35rem;color:var(--navy);line-height:1.25}
.ledger-row p{color:var(--gray-dark);font-size:.98rem;margin:0}
.on-navy .ledger-row{border-color:rgba(212,168,75,.25)}
.on-navy .ledger{border-color:rgba(212,168,75,.25)}
.on-navy .ledger-row h3{color:var(--white)}
.on-navy .ledger-row p{color:rgba(255,255,255,.72)}

/* ── Framework index grid ────────────────────────────────────── */
.fw-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:1.4rem;margin-top:2.75rem}
.fw-card{border:1px solid var(--border);background:var(--white);padding:1.75rem 1.75rem 1.5rem;display:flex;flex-direction:column;gap:.7rem;text-decoration:none;transition:border-color .2s,transform .2s,box-shadow .2s;position:relative}
.fw-card:hover{border-color:var(--gold);transform:translateY(-3px);box-shadow:0 14px 34px -18px rgba(13,27,62,.35)}
.fw-card .fw-region{font-family:var(--font-cond);font-size:.72rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--gold)}
.fw-card h3{font-family:var(--font-display);font-weight:600;font-size:1.35rem;color:var(--navy);line-height:1.22}
.fw-card p{color:var(--gray-dark);font-size:.93rem;line-height:1.6;margin:0}
.fw-card .fw-status{margin-top:auto;padding-top:1rem;font-family:var(--font-mono);font-size:.78rem;color:var(--gray)}
.fw-card.deep::after{content:'Read the guide →';position:absolute;right:1.6rem;bottom:1.35rem;font-family:var(--font-cond);font-size:.76rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.fw-card.deep .fw-status{padding-bottom:1.5rem}

/* ── FAQ ─────────────────────────────────────────────────────── */
.faq{margin-top:2.6rem;max-width:820px;border-top:1px solid var(--border)}
.faq details{border-bottom:1px solid var(--border)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:baseline;gap:2rem;padding:1.5rem 0;font-family:var(--font-display);font-weight:600;font-size:1.28rem;color:var(--navy)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-family:var(--font-mono);color:var(--gold);font-size:1.15rem;flex-shrink:0;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq-a{padding:0 0 1.6rem;color:var(--gray-dark);max-width:66ch}

/* ── CTA band ────────────────────────────────────────────────── */
.cta-band{background:var(--navy);color:var(--white);position:relative;overflow:hidden}
.cta-band::before{content:'';position:absolute;inset:0;pointer-events:none;opacity:.5;background-image:linear-gradient(var(--line-dark) 1px,transparent 1px),linear-gradient(90deg,var(--line-dark) 1px,transparent 1px);background-size:78px 78px}
.cta-band .wrap{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,4fr);gap:3rem;align-items:center}
.cta-band h2{font-family:var(--font-display);font-weight:500;font-size:clamp(1.85rem,3.4vw,2.7rem);line-height:1.15}
.cta-band h2 em{font-style:italic;color:var(--gold-light)}
.cta-band p{color:rgba(255,255,255,.72);margin-top:.9rem;max-width:54ch}
.cta-actions{display:flex;flex-direction:column;gap:.9rem;align-items:flex-start}
.btn-gold{display:inline-block;background:var(--gold);color:var(--white);font-family:var(--font-cond);font-size:.82rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:.95rem 2.4rem;text-decoration:none;border-radius:3px;transition:background .2s,color .2s}
.btn-gold:hover{background:var(--gold-light);color:var(--navy)}
.btn-ghost{display:inline-block;border:1px solid rgba(212,168,75,.5);color:var(--gold-pale);font-family:var(--font-cond);font-size:.82rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:.95rem 2.4rem;text-decoration:none;border-radius:3px;transition:border-color .2s,color .2s}
.btn-ghost:hover{border-color:var(--gold-light);color:var(--white)}

/* ── Footer ──────────────────────────────────────────────────── */
.pg-footer{background:var(--navy-deep);color:rgba(255,255,255,.66);padding:3.6rem 0 2.4rem;font-size:.92rem}
.pg-footer-grid{display:grid;grid-template-columns:minmax(0,5fr) repeat(3,minmax(0,3fr));gap:2.6rem}
.pg-footer h4{font-family:var(--font-cond);font-size:.76rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-light);margin-bottom:1rem}
.pg-footer ul{list-style:none}
.pg-footer li{margin-bottom:.55rem}
.pg-footer a{color:rgba(255,255,255,.66);text-decoration:none}
.pg-footer a:hover{color:var(--gold-light)}
.pg-footer .foot-brand{font-family:var(--font-display);font-size:1.3rem;font-weight:600;color:var(--white)}
.pg-footer .foot-brand span{color:var(--gold-light)}
.pg-footer .foot-tagline{margin-top:.8rem;max-width:38ch;line-height:1.65}
.pg-footer-legal{margin-top:2.8rem;padding-top:1.5rem;border-top:1px solid rgba(212,168,75,.2);display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;font-size:.82rem;color:rgba(255,255,255,.45)}

/* ── 404 ─────────────────────────────────────────────────────── */
.nf-hero{min-height:72vh;display:flex;align-items:center}
.nf-code{font-family:var(--font-mono);font-size:.95rem;color:var(--gold-light);letter-spacing:.35em}

/* ── Responsive ──────────────────────────────────────────────── */
@media(max-width:900px){
  .wrap{padding:0 1.4rem}
  .topbar-inner{padding:.8rem 1.4rem}
  .split{grid-template-columns:1fr;gap:2.5rem}
  .side-card{position:static}
  .ledger-row{grid-template-columns:52px 1fr;grid-template-rows:auto auto}
  .ledger-row p{grid-column:2}
  .cta-band .wrap{grid-template-columns:1fr}
  .pg-footer-grid{grid-template-columns:1fr 1fr}
  section{padding:4rem 0}
  .hero{padding:3.75rem 0}
}
@media(max-width:560px){
  .pg-footer-grid{grid-template-columns:1fr}
  .topnav{gap:.9rem}
}