/* fiveapple1.com — "control plane, after dark"
   Dark + technical, modern AI-lab. Two-family type system. */

:root{
  /* surfaces */
  --bg:#0A0C11;
  --bg-2:#0E1118;
  --bg-3:#141823;
  --line:rgba(255,255,255,0.08);
  --line-2:rgba(255,255,255,0.14);

  /* ink */
  --ink:#ECEFF4;
  --ink-dim:#9AA3B4;
  --ink-faint:#5B6577;

  /* signal */
  --amber:#F2A24A;
  --amber-soft:rgba(242,162,74,0.14);
  --green:#36C98A;
  --green-soft:rgba(54,201,138,0.14);

  --display:'Space Grotesk',system-ui,sans-serif;
  --body:'IBM Plex Sans',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;

  --maxw:1180px;
  --pad:clamp(20px,5vw,64px);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto;} }

body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--body);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}

/* faint node-matrix backdrop, ownable to the 5-node identity */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,0.045) 1.1px, transparent 1.1px);
  background-size:26px 26px;
  mask-image:linear-gradient(to bottom, rgba(0,0,0,0.9), rgba(0,0,0,0.25) 60%, transparent);
  -webkit-mask-image:linear-gradient(to bottom, rgba(0,0,0,0.9), rgba(0,0,0,0.25) 60%, transparent);
}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad);position:relative;z-index:1;}

/* ---------- shared type ---------- */
.mono{font-family:var(--mono);}
.label{
  font-family:var(--mono);font-size:12.5px;letter-spacing:0.06em;
  color:var(--ink-faint);text-transform:lowercase;
}
.label .slash{color:var(--amber);}

h1,h2,h3{font-family:var(--display);font-weight:700;letter-spacing:-0.025em;margin:0;line-height:1.02;}

.section{padding-block:clamp(72px,10vw,128px);position:relative;z-index:1;}
.section-head{display:flex;flex-direction:column;gap:18px;margin-bottom:56px;max-width:760px;}
.section-head h2{font-size:clamp(32px,4.5vw,52px);}
.section-head p{color:var(--ink-dim);font-size:18px;margin:0;max-width:60ch;text-wrap:pretty;}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(10,12,17,0.72);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;}
.brand{display:flex;align-items:center;gap:13px;}
.quincunx{position:relative;width:26px;height:26px;flex:none;}
.quincunx span{position:absolute;width:5.5px;height:5.5px;border-radius:50%;background:var(--ink);}
.quincunx span.live{background:var(--green);}
.brand-word{font-family:var(--mono);font-weight:600;font-size:16px;letter-spacing:-0.01em;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{font-family:var(--mono);font-size:13.5px;color:var(--ink-dim);transition:color .15s;white-space:nowrap;}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--ink);}
.nav-cta{
  font-family:var(--body);font-weight:600;font-size:14px;color:var(--bg);
  background:var(--amber);padding:9px 16px;border-radius:8px;
  transition:transform .12s,box-shadow .15s;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 22px -8px var(--amber);}
.nav-links-cta{display:none;}
.nav-burger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;padding:0;flex:none;cursor:pointer;
  background:transparent;border:1px solid var(--line-2);border-radius:9px;
}
.nav-burger span{display:block;width:18px;height:1.5px;margin:0 auto;background:var(--ink);
  transition:transform .2s ease,opacity .15s ease;}
.nav.nav-open .nav-burger span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.nav.nav-open .nav-burger span:nth-child(2){opacity:0;}
.nav.nav-open .nav-burger span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

/* dots */
.dot{width:8px;height:8px;border-radius:50%;flex:none;background:var(--green);display:inline-block;}
.dot.amber{background:var(--amber);}
.dot.live{box-shadow:0 0 0 0 var(--green);animation:pulse 2.6s ease-out infinite;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(54,201,138,0.45);}
  70%{box-shadow:0 0 0 7px rgba(54,201,138,0);}
  100%{box-shadow:0 0 0 0 rgba(54,201,138,0);}
}
@media (prefers-reduced-motion:reduce){ .dot.live{animation:none;} }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;font-family:var(--body);font-weight:600;
  font-size:15px;padding:13px 22px;border-radius:10px;cursor:pointer;border:1px solid transparent;
  transition:transform .12s,box-shadow .15s,background .15s,border-color .15s;
}
.btn-amber{background:var(--amber);color:#1a1206;}
.btn-amber:hover{transform:translateY(-1px);box-shadow:0 12px 30px -12px var(--amber);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2);}
.btn-ghost:hover{border-color:var(--ink);background:rgba(255,255,255,0.03);}

:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:4px;}

@media (max-width:760px){
  .nav-cta{display:none;}
  .nav-burger{display:flex;}
  /* nav-links become a dropdown panel under the bar */
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    padding:6px var(--pad) 18px;
    background:var(--bg-2);
    border-bottom:1px solid var(--line);
    box-shadow:0 20px 40px -20px rgba(0,0,0,0.7);
  }
  .nav.nav-open .nav-links{display:flex;}
  .nav-links a{
    font-family:var(--mono);font-size:16px;color:var(--ink-dim);
    padding:15px 2px;border-bottom:1px solid var(--line);white-space:nowrap;
  }
  .nav-links a:last-child{border-bottom:none;}
  .nav-links a.nav-links-cta{
    display:block;margin-top:14px;text-align:center;
    font-family:var(--body);font-weight:600;font-size:15px;
    color:#1a1206;background:var(--amber);border-radius:9px;
    padding:14px 0;border-bottom:none;
  }
}

/* ---------- hero ---------- */
.hero{padding-top:clamp(56px,9vw,104px);padding-bottom:clamp(56px,8vw,96px);position:relative;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:13px;
  color:var(--ink-dim);border:1px solid var(--line);background:var(--bg-2);
  padding:7px 14px;border-radius:999px;margin-bottom:34px;white-space:nowrap;
}
@media (max-width:560px){ .hero-eyebrow{white-space:normal;} }
.hero h1{
  font-size:clamp(44px,8vw,98px);font-weight:700;letter-spacing:-0.035em;
  max-width:14ch;text-wrap:balance;
}
.hero h1 .amber{color:var(--amber);}
.hero-lede{
  margin:30px 0 0;font-size:clamp(18px,2.2vw,22px);color:var(--ink-dim);
  max-width:54ch;line-height:1.5;text-wrap:pretty;
}
.hero-id{
  margin:18px 0 0;font-size:14px;color:var(--ink-faint);letter-spacing:0.01em;
}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px;}

/* subtle status board — the kept signature, demoted to a quiet strip */
.statusbar{
  margin-top:56px;border:1px solid var(--line);border-radius:14px;background:var(--bg-2);
  overflow:hidden;max-width:680px;
}
.statusbar-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px 18px;border-bottom:1px solid var(--line);
}
.statusbar-head .t{font-family:var(--mono);font-size:12px;color:var(--ink-faint);letter-spacing:0.04em;}
.statusbar-head .m{font-family:var(--mono);font-size:12px;color:var(--green);display:flex;align-items:center;gap:8px;}
.statusbar-grid{display:grid;grid-template-columns:repeat(2,1fr);}
.svc{
  display:flex;align-items:center;gap:9px;padding:13px 18px;
  font-family:var(--mono);font-size:13px;border-top:1px solid var(--line);
}
.statusbar-grid .svc:nth-child(-n+2){border-top:none;}
.statusbar-grid .svc:nth-child(odd){border-right:1px solid var(--line);}
.svc .n{color:var(--ink-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.svc .s{margin-left:auto;font-size:10.5px;letter-spacing:0.05em;color:var(--ink-faint);}
.svc.exp .s{color:var(--amber);}
.svc.up .s{color:var(--green);}

/* ---------- pillars ---------- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pillar{
  background:var(--bg-2);border:1px solid var(--line);border-radius:16px;
  padding:30px 28px 32px;display:flex;flex-direction:column;
  transition:border-color .18s,transform .18s,background .18s;
}
.pillar:hover{border-color:var(--line-2);transform:translateY(-3px);background:var(--bg-3);}
.pillar .tag{
  font-family:var(--mono);font-size:12.5px;color:var(--amber);margin-bottom:20px;
  display:flex;align-items:center;gap:8px;
}
.pillar h3{font-size:23px;letter-spacing:-0.02em;margin-bottom:14px;line-height:1.12;}
.pillar p{margin:0;color:var(--ink-dim);font-size:15.5px;line-height:1.62;}
.pillar .win{
  margin-top:18px;font-family:var(--mono);font-size:12.5px;color:var(--ink);
  display:inline-flex;align-items:center;gap:8px;
}

/* ---------- work ---------- */
.work-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.card{
  position:relative;background:var(--bg-2);border:1px solid var(--line);border-radius:16px;
  padding:30px 30px 28px;overflow:hidden;transition:border-color .18s,transform .18s;
}
.card:hover{border-color:var(--line-2);transform:translateY(-3px);}
.card .idx{font-family:var(--mono);font-size:12px;color:var(--ink-faint);}
.card .badge{
  position:absolute;top:26px;right:26px;font-family:var(--mono);font-size:11px;
  letter-spacing:0.05em;color:var(--amber);background:var(--amber-soft);
  padding:5px 10px;border-radius:999px;
}
.card h3{font-size:22px;margin:18px 0 12px;letter-spacing:-0.02em;max-width:18ch;}
.card p{margin:0;color:var(--ink-dim);font-size:15px;line-height:1.6;}
.card .meta{margin-top:20px;display:flex;flex-wrap:wrap;gap:7px;}
.chip{
  font-family:var(--mono);font-size:11.5px;color:var(--ink-dim);white-space:nowrap;
  border:1px solid var(--line);border-radius:7px;padding:5px 9px;
}

/* ---------- board caption ---------- */
.statusbar-cap{margin-top:14px;font-family:var(--mono);font-size:12.5px;color:var(--ink-faint);}
.statusbar-cap .amber{color:var(--amber);}

/* ---------- compact tools row ---------- */
.tools-head{display:flex;align-items:center;gap:12px;margin:52px 0 20px;}
.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.tool{
  background:var(--bg-2);border:1px solid var(--line);border-radius:14px;
  padding:22px 22px 20px;transition:border-color .18s,transform .18s;
}
.tool:hover{border-color:var(--line-2);transform:translateY(-3px);}
.tool .tname{
  font-family:var(--display);font-weight:600;font-size:18px;letter-spacing:-0.01em;
  display:flex;align-items:baseline;gap:9px;margin-bottom:9px;
}
.tool .tname .k{font-family:var(--mono);font-size:11px;color:var(--ink-faint);}
.tool p{margin:0;color:var(--ink-dim);font-size:14px;line-height:1.55;}

/* ---------- experience timeline ---------- */
.xp-list{display:flex;flex-direction:column;}
.xp-row{
  display:grid;grid-template-columns:210px 1fr;gap:36px;
  padding:34px 0;border-top:1px solid var(--line);
}
.xp-row:first-child{border-top:none;padding-top:4px;}
.xp-when{font-family:var(--mono);font-size:13px;color:var(--ink-dim);}
.xp-when .now{color:var(--green);}
.xp-where{font-family:var(--mono);font-size:12.5px;color:var(--ink-faint);margin-top:6px;}
.xp-body h3{font-size:clamp(21px,2.6vw,26px);letter-spacing:-0.02em;margin-bottom:7px;}
.xp-body .co{font-family:var(--mono);font-size:14px;color:var(--amber);margin-bottom:16px;}
.xp-body p{margin:0;color:var(--ink-dim);font-size:16px;line-height:1.62;max-width:74ch;}
.xp-body .xp-stack{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.xp-foot{
  margin-top:30px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px 48px;
  font-family:var(--mono);font-size:13.5px;color:var(--ink-dim);
}
.xp-foot .item{display:flex;gap:10px;}
.xp-foot .k{color:var(--ink-faint);}

/* ---------- contact ---------- */
.contact{text-align:left;}
.contact h2{font-size:clamp(34px,5.5vw,64px);max-width:18ch;text-wrap:balance;}
.contact p.intro{font-size:clamp(18px,2.2vw,22px);color:var(--ink-dim);margin:24px 0 40px;max-width:48ch;}
.contact-links{display:flex;flex-wrap:wrap;gap:14px;}
.clink{
  display:inline-flex;align-items:center;gap:11px;font-family:var(--mono);font-size:14.5px;
  border:1px solid var(--line-2);border-radius:12px;padding:15px 20px;color:var(--ink);
  transition:border-color .15s,background .15s,transform .12s;
}
.clink:hover{border-color:var(--amber);background:var(--amber-soft);transform:translateY(-2px);}
.clink .k{color:var(--ink-faint);}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);padding-block:30px;position:relative;z-index:1;}
.foot-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;}
.foot .status{font-family:var(--mono);font-size:13px;color:var(--ink-dim);display:flex;align-items:center;gap:9px;}
.foot .copy{font-family:var(--mono);font-size:13px;color:var(--ink-faint);}

/* ---------- case-study cards + modal ---------- */
.card.has-case{cursor:pointer;}
.card .case-link{
  margin-top:20px;font-family:var(--mono);font-size:12.5px;color:var(--amber);
  display:inline-flex;align-items:center;gap:7px;transition:gap .15s;
}
.card.has-case:hover .case-link,.card.has-case:focus-visible .case-link{gap:12px;}

.modal-scrim{
  position:fixed;inset:0;z-index:100;background:rgba(5,7,11,0.76);
  -webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);
  display:flex;align-items:flex-start;justify-content:center;
  padding:clamp(16px,5vh,60px) 20px;overflow-y:auto;
  opacity:0;visibility:hidden;transition:opacity .22s;
}
.modal-scrim.open{opacity:1;visibility:visible;}
.modal{
  width:min(920px,100%);margin:auto;background:var(--bg-2);
  border:1px solid var(--line-2);border-radius:20px;overflow:hidden;
  box-shadow:0 40px 90px -30px rgba(0,0,0,0.7);
  transform:translateY(16px) scale(0.99);transition:transform .24s cubic-bezier(.2,.7,.3,1);
}
.modal-scrim.open .modal{transform:none;}
.modal[hidden]{display:none;}
.modal-top{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:30px 32px 0;}
.modal-tag{font-family:var(--mono);font-size:12.5px;color:var(--amber);display:flex;align-items:center;gap:8px;}
.modal-top h3{font-size:clamp(25px,4vw,38px);letter-spacing:-0.028em;margin-top:13px;max-width:18ch;}
.modal-close{
  flex:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--line-2);
  background:transparent;color:var(--ink-dim);font-size:18px;cursor:pointer;line-height:1;
  display:flex;align-items:center;justify-content:center;transition:.15s;
}
.modal-close:hover{color:var(--ink);border-color:var(--ink);background:rgba(255,255,255,0.03);}
.modal-shot{margin:24px 32px 0;}
.modal-shot image-slot{
  width:100%;height:clamp(210px,40vw,400px);display:block;
  border:1px solid var(--line);background:var(--bg-3);
}
.modal-body{padding:26px 32px 4px;}
.modal-body p{color:var(--ink-dim);font-size:16px;line-height:1.64;margin:0 0 16px;max-width:74ch;}
.modal-body p.lead{color:var(--ink);font-size:17.5px;}
.modal-steps{display:grid;gap:16px;margin:22px 0 6px;}
.modal-step{display:grid;grid-template-columns:92px 1fr;gap:16px;align-items:start;}
.modal-step .k{font-family:var(--mono);font-size:12px;color:var(--amber);padding-top:3px;}
.modal-step p{margin:0;}
.modal .meta{margin-top:20px;}
.modal-foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  padding:20px 32px 30px;border-top:1px solid var(--line);margin-top:22px;
}
.synthetic{font-family:var(--mono);font-size:12px;color:var(--ink-faint);display:flex;align-items:flex-start;gap:8px;line-height:1.7;}
.synthetic .dot{margin-top:5px;flex:none;}
.synthetic .syn-msg{flex:1;min-width:0;}
.synthetic .cred{color:var(--amber);font-weight:600;background:var(--amber-soft);padding:1px 6px;border-radius:5px;white-space:nowrap;}
@media (max-width:560px){ .modal-step{grid-template-columns:1fr;gap:4px;} }

@media (max-width:920px){
  .pillars{grid-template-columns:1fr;}
  .work-grid{grid-template-columns:1fr;}
  .tools-grid{grid-template-columns:1fr;}
  .xp-row{grid-template-columns:1fr;gap:12px;}
}
@media (max-width:560px){
  .statusbar-grid{grid-template-columns:1fr;}
  .statusbar-grid .svc{border-right:none;border-top:1px solid var(--line);}
  .statusbar-grid .svc:first-child{border-top:none;}
  .card .badge{position:static;display:inline-block;margin-bottom:6px;}
}