/* =========================================================================
   Arizona Software Group - shared site styles
   Design language derived from asg-case-study-the-spider.html (approved).
   Fraunces (display) / IBM Plex Sans (body) / IBM Plex Mono (labels).
   Ink navy + gold "signal" accent.
   ========================================================================= */

:root{
  /* Ink (dark surfaces) */
  --ink:#15192C;
  --ink-2:#1D2240;
  --ink-3:#262C4E;
  /* Threads / muted blues */
  --thread:#7C8BB8;
  --thread-faint:#3A4166;
  /* Signal (gold accent) */
  --signal:#E0A951;
  --signal-deep:#B5792B;
  /* Paper (light surfaces) */
  --paper:#F2F3F5;
  --paper-2:#FBFBFC;
  /* Text */
  --text:#191D2B;
  --text-muted:#5A6072;
  --line:#DEE1E8;
  /* Type */
  --display:"Fraunces",Georgia,serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --maxw:1140px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);
  color:var(--text);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
img{max-width:100%;display:block}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ---------- shared type bits ---------- */
.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--signal-deep);
  font-weight:500;
  display:inline-block;
}
.dark .eyebrow{color:var(--signal)}

h1,h2,h3,blockquote{font-family:var(--display);letter-spacing:-.015em}

.lead{font-size:20px;line-height:1.5;color:var(--text);max-width:34em;margin-top:22px}
.dark .lead{color:#C4C9DC}
p.body{font-size:17px;color:var(--text-muted);max-width:36em;margin-top:16px}
p.body + p.body{margin-top:14px}
p.body strong{color:var(--text);font-weight:600}
.dark p.body{color:#A7ADC6}
.dark p.body strong{color:#fff}

/* ---------- top nav ---------- */
.nav{
  background:var(--ink);
  position:sticky;top:0;z-index:50;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 32px;
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{
  font-family:var(--display);font-weight:600;font-size:20px;color:#fff;
  text-decoration:none;letter-spacing:-.01em;white-space:nowrap;
  display:flex;align-items:center;
}
.brand span{color:var(--signal)}
.brand-logo{height:46px;width:auto;display:block}
.nav-links{
  display:flex;align-items:center;gap:30px;list-style:none;
}
.nav-links a{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;
  color:#C4C9DC;text-decoration:none;transition:color .15s ease;
}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--signal)}
.nav-cta{
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink)!important;background:var(--signal);white-space:nowrap;
  padding:9px 16px;border-radius:4px;text-decoration:none;transition:background .15s ease;
}
.nav-cta:hover{background:#f0bd6a;color:var(--ink)!important}
.nav-toggle{
  display:none;background:none;border:1px solid rgba(255,255,255,.25);border-radius:5px;
  width:42px;height:38px;cursor:pointer;color:#E6E8F1;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#E6E8F1;margin:3px auto;transition:.2s}

/* ---------- generic section ---------- */
section{padding:84px 0}
.section-num,.section-kicker{
  font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--signal-deep);display:block;margin-bottom:16px;
}
.dark .section-num,.dark .section-kicker{color:var(--signal)}
h2{
  font-weight:500;font-size:clamp(30px,4vw,46px);line-height:1.05;max-width:18em;
}
.dark h2{color:#fff}
h2.center{margin-left:auto;margin-right:auto;text-align:center}

.ink{background:var(--ink);color:#EDEFF6}
.ink-2{background:var(--ink-2);color:#EDEFF6}
.paper-2{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- hero ---------- */
.hero{background:var(--ink);color:#EDEFF6;position:relative;overflow:hidden}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding:96px 32px 84px}
.hero h1{
  font-weight:600;font-size:clamp(44px,6.5vw,86px);line-height:.98;letter-spacing:-.02em;
  margin:20px 0 0;max-width:14em;
}
.hero h1 em{font-style:italic;color:var(--signal)}
.hero .standfirst{font-size:19px;line-height:1.55;color:#C4C9DC;max-width:36em;margin-top:26px}
.hero-actions{margin-top:38px;display:flex;flex-wrap:wrap;gap:14px}

/* ---------- buttons ---------- */
.btn{
  font-family:var(--mono);font-size:13px;letter-spacing:.08em;text-transform:uppercase;
  text-decoration:none;padding:13px 22px;border-radius:5px;display:inline-block;transition:.15s ease;
  border:1px solid transparent;cursor:pointer;
}
.btn-gold{background:var(--signal);color:var(--ink)}
.btn-gold:hover{background:#f0bd6a}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#E6E8F1}
.btn-ghost:hover{border-color:var(--signal);color:var(--signal)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-3)}

/* ---------- card grids ---------- */
.grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:40px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
/* 3-up cards that collapse straight to 1 column, so an exactly-3 set never
   leaves an orphan empty cell at the tablet breakpoint */
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:40px}
@media(max-width:700px){.cards3{grid-template-columns:1fr}}
.cell{background:var(--paper-2);padding:30px 28px}
.cell .t{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--signal-deep);margin-bottom:12px}
.cell h3{font-family:var(--display);font-weight:500;font-size:21px;line-height:1.15;margin-bottom:10px;letter-spacing:-.01em;color:var(--text)}
.cell p{font-size:15px;color:var(--text-muted)}
.cell ul{margin:12px 0 0 0;padding-left:18px;font-size:14px;color:var(--text-muted)}
.cell ul li{margin-bottom:5px}

/* principle / numbered columns */
.principles{margin-top:44px;display:grid;grid-template-columns:repeat(3,1fr);gap:36px}
.principle{border-top:2px solid var(--signal);padding-top:22px}
.principle .pn{font-family:var(--mono);font-size:12px;color:var(--signal-deep);letter-spacing:.12em}
.dark .principle .pn{color:var(--signal)}
.principle h3{font-weight:500;font-size:22px;margin:12px 0;line-height:1.15}
.principle p{font-size:15px;color:var(--text-muted)}
.dark .principle p{color:#A7ADC6}

/* ---------- metrics ---------- */
.metric-grid{margin-top:42px;display:grid;grid-template-columns:repeat(4,1fr);gap:40px}
.metric .n{font-family:var(--display);font-weight:600;font-size:clamp(38px,5vw,58px);line-height:1;color:#fff}
.metric .n .unit{font-size:.42em;color:var(--signal);font-weight:500}
.metric .l{font-family:var(--mono);font-size:12px;letter-spacing:.05em;color:#9AA0BC;margin-top:14px;line-height:1.45}

/* ---------- quote ---------- */
blockquote{font-weight:400;font-size:clamp(24px,3.2vw,36px);line-height:1.25;max-width:24em}
blockquote .mark{color:var(--signal)}
.cite{margin-top:28px;font-family:var(--mono);font-size:13px;letter-spacing:.04em;color:var(--text-muted)}
.cite strong{color:var(--text);font-weight:600;display:block;letter-spacing:.02em}
.dark .cite{color:#9AA0BC}
.dark .cite strong{color:#fff}

/* ---------- split header (page intros) ---------- */
.page-head{background:var(--ink);color:#EDEFF6}
.page-head-inner{max-width:var(--maxw);margin:0 auto;padding:76px 32px 70px}
.page-head h1{font-weight:600;font-size:clamp(40px,5.5vw,68px);line-height:1;letter-spacing:-.02em;margin-top:18px;max-width:16em}
.page-head h1 em{font-style:italic;color:var(--signal)}
.page-head .standfirst{font-size:19px;color:#C4C9DC;max-width:38em;margin-top:24px;line-height:1.55}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.feature-list{margin-top:30px;display:grid;gap:22px}
.feature{border-left:2px solid var(--signal);padding:2px 0 2px 20px}
.feature .fl{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--signal-deep);margin-bottom:8px}
.dark .feature .fl{color:var(--signal)}
.feature h3{font-family:var(--display);font-weight:500;font-size:20px;margin-bottom:6px}
.feature p{font-size:15px;color:var(--text-muted);margin:0;line-height:1.55}
.dark .feature p{color:#B9BFD6}

/* ---------- case study index cards ---------- */
.case-card{
  display:block;text-decoration:none;color:inherit;background:var(--paper-2);
  border:1px solid var(--line);border-radius:10px;padding:34px 32px;transition:.18s ease;
}
.case-card:hover{border-color:var(--signal);box-shadow:0 10px 34px rgba(21,25,44,.08);transform:translateY(-2px)}
.case-card .ct{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--signal-deep)}
.case-card h3{font-family:var(--display);font-weight:600;font-size:27px;line-height:1.05;margin:12px 0 12px;letter-spacing:-.01em}
.case-card p{font-size:16px;color:var(--text-muted);max-width:40em}
.case-card .more{display:inline-block;margin-top:18px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--signal-deep)}
.case-card:hover .more{color:var(--signal-deep)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:#EDEFF6}
.cta-inner{max-width:var(--maxw);margin:0 auto;padding:72px 32px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:28px}
.cta-inner h2{max-width:18em}
.cta-inner .standfirst{color:#C4C9DC;margin-top:12px;max-width:34em;font-size:17px}

/* ---------- footer ---------- */
footer{background:#0E1120;color:#9AA0BC}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:56px 32px 40px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:30px}
.footer-brand{font-family:var(--display);font-weight:600;font-size:22px;color:#fff}
.footer-brand span{color:var(--signal)}
.footer-logo{height:62px;width:auto;display:block}
.footer-tag{margin-top:16px;font-size:14px;max-width:26em;color:#9AA0BC}
.footer-col h4{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#6E748F;margin-bottom:14px;font-weight:500}
.footer-col a,.footer-col p{display:block;color:#C4C9DC;text-decoration:none;font-size:14px;margin-bottom:9px}
.footer-col a:hover{color:var(--signal)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);text-align:center;padding:22px 32px;font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;color:#6E748F}

/* ---------- spider diagram (home) ---------- */
.spider-stage{position:relative;width:100%;aspect-ratio:1/1;max-width:440px;margin:0 auto}
.spider-svg{width:100%;height:100%;overflow:visible}
.thread{stroke:var(--thread);stroke-width:1;opacity:.5;fill:none}
.ring{stroke:var(--thread);stroke-width:1;opacity:.16;fill:none}
.snode circle{fill:var(--ink-3);stroke:var(--thread);stroke-width:1.2}
.snode text{font-family:var(--mono);font-size:9.5px;fill:#D4D8E6;letter-spacing:.04em}
.shub circle{fill:var(--signal);stroke:none;filter:drop-shadow(0 0 14px rgba(224,169,81,.55))}
.shub text{font-family:var(--mono);font-size:11px;fill:var(--ink);font-weight:500;letter-spacing:.06em}
.pulse{transform-origin:center;animation:pulse 3.2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.25;r:54}50%{opacity:0;r:84}}
.hub-packet{fill:var(--signal);filter:drop-shadow(0 0 5px rgba(224,169,81,.55))}
@keyframes hubbounce{0%,100%{transform:translate(0,0)}50%{transform:translate(var(--dx,0),var(--dy,0))}}

.hero-grid{display:grid;grid-template-columns:1.05fr .85fr;gap:48px;align-items:center}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .nav-toggle{display:block}
  .nav-links{
    position:absolute;top:68px;left:0;right:0;background:var(--ink);
    flex-direction:column;align-items:flex-start;gap:0;padding:8px 32px 20px;
    border-bottom:1px solid rgba(255,255,255,.08);display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 0;width:100%;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav-links li:last-child{margin-top:10px}
  .nav-cta{display:inline-block}
  .grid-3,.grid-2,.metric-grid{grid-template-columns:1fr 1fr}
  .principles{grid-template-columns:1fr;gap:30px}
  .two-col{grid-template-columns:1fr;gap:34px}
  .hero-grid{grid-template-columns:1fr}
  .spider-stage{order:-1;max-width:320px;margin-bottom:8px}
  section{padding:60px 0}
}
@media(max-width:560px){
  .grid-3,.grid-2,.metric-grid{grid-template-columns:1fr}
  .wrap,.nav-inner,.hero-inner,.page-head-inner,.cta-inner,.footer-inner{padding-left:22px;padding-right:22px}
  .brand-logo{height:38px}
}
/* Decorative hub motion plays for everyone (owner decision); only scrolling honors the setting. */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
}