:root{
  --ink:#10151b;
  --ink-2:#161d25;
  --paper:#eae6da;
  --paper-dim:#9aa2ab;
  --amber:#c9a227;
  --amber-dim:#8a7327;
  --teal:#3e9c8f;
  --red:#c1553f;
  --line:#262f39;
  --mono:'JetBrains Mono', monospace;
  --sans:'IBM Plex Sans', sans-serif;

  /* spacing scale — every gap on the page resolves to one of these */
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px;
  --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;

  /* shared motion curve — one feel across every transition */
  --ease:cubic-bezier(.16,.84,.44,1);
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--sans);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-tap-highlight-color:transparent;
}
::selection{ background:var(--amber); color:var(--ink); }

a{ color:inherit; text-decoration:none; }

/* ---------- accessibility: focus & skip link ---------- */
:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:3px;
  border-radius:3px;
}
.skip-link{
  position:fixed; top:-60px; left:16px; z-index:200;
  background:var(--amber); color:var(--ink);
  font-family:var(--mono); font-size:13px; font-weight:600;
  padding:10px 16px; border-radius:6px;
  transition:top .2s ease;
}
.skip-link:focus{ top:16px; }

.noise{
  position:fixed; inset:0; pointer-events:none; z-index:1; opacity:.035; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- nav ---------- */
nav{
  position:fixed; top:0; left:0; right:0; z-index:50;
  display:flex; justify-content:space-between; align-items:center;
  padding:22px 6vw;
  background:linear-gradient(180deg, rgba(16,21,27,.92), rgba(16,21,27,0));
  font-family:var(--mono);
}
.logo{ font-weight:700; letter-spacing:.02em; font-size:15px; }
.logo span{ color:var(--amber); }
.navlinks{ display:flex; gap:28px; font-size:13px; color:var(--paper-dim); }
.navlinks a{ transition:color .2s var(--ease); padding:6px 2px; }
.navlinks a:hover{ color:var(--amber); }
.navlinks a.active{ color:var(--teal); }
.navlinks a.active::before{ content:'▸ '; }

.nav-toggle{
  display:none;
  width:40px; height:40px;
  align-items:center; justify-content:center;
  background:none; border:1px solid var(--line); border-radius:6px;
  cursor:pointer;
}
.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after{
  content:''; display:block; width:18px; height:2px; background:var(--paper);
  transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle-bar::before{ transform:translateY(-6px); }
.nav-toggle-bar::after{ transform:translateY(4px); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar{ background:transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before{ transform:translateY(0) rotate(45deg); background:var(--amber); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after{ transform:translateY(-2px) rotate(-45deg); background:var(--amber); }

@media (max-width:720px){
  .nav-toggle{ display:flex; }
  .navlinks{
    position:fixed; top:64px; right:6vw; left:6vw;
    display:flex; flex-direction:column; gap:2px;
    background:var(--ink-2); border:1px solid var(--line); border-radius:10px;
    padding:8px;
    opacity:0; visibility:hidden; transform:translateY(-8px);
    transition:opacity .2s ease, transform .2s ease, visibility .2s;
  }
  .navlinks.open{ opacity:1; visibility:visible; transform:translateY(0); }
  .navlinks a{ padding:14px 12px; border-radius:6px; font-size:14px; }
  .navlinks a:hover, .navlinks a:focus-visible{ background:rgba(201,162,39,.08); }
}

@media (prefers-reduced-motion: reduce){
  .navlinks, .nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after{ transition:none; }
}

/* ---------- hero / terminal ---------- */
.hero{
  min-height:100vh;
  display:flex; flex-direction:column; justify-content:center;
  padding:0 6vw;
  position:relative;
}
.term{
  max-width:760px;
  border:1px solid var(--line);
  border-radius:8px;
  background:var(--ink-2);
  box-shadow:0 30px 80px -30px rgba(0,0,0,.6);
}
.term-bar{
  display:flex; align-items:center; gap:8px;
  padding:10px 14px;
  border-bottom:1px solid var(--line);
}
.dot{ width:10px; height:10px; border-radius:50%; }
.dot.r{ background:#c1553f55; border:1px solid var(--red); }
.dot.y{ background:#c9a22755; border:1px solid var(--amber); }
.dot.g{ background:#3e9c8f55; border:1px solid var(--teal); }
.term-title{ margin-left:8px; font-family:var(--mono); font-size:12px; color:var(--paper-dim); }
.term-body{
  padding:26px 24px 30px;
  font-family:var(--mono);
  font-size:14px;
  min-height:230px;
}
.term-line{ margin-bottom:10px; color:var(--paper-dim); white-space:pre-wrap; }
.term-line .prompt{ color:var(--teal); }
.term-line .val{ color:var(--paper); }
.cursor{ display:inline-block; width:8px; height:16px; background:var(--amber); vertical-align:middle; animation:blink 1s steps(1) infinite; }
@keyframes blink{ 50%{ opacity:0; } }

.hero-title{
  margin-top:34px;
  font-family:var(--mono);
  font-size:clamp(32px, 6vw, 58px);
  font-weight:700;
  line-height:1.1;
  max-width:800px;
  opacity:0; transform:translateY(12px);
  transition:opacity .5s var(--ease), transform .5s var(--ease);
}
.hero-title.in-view{ opacity:1; transform:translateY(0); }
.hero-title .amber{ color:var(--amber); }
.hero-sub{
  margin-top:16px;
  max-width:560px;
  color:var(--paper-dim);
  font-size:16px;
  opacity:0; transform:translateY(12px);
  transition:opacity .5s var(--ease), transform .5s var(--ease);
}
.hero-sub.in-view{ opacity:1; transform:translateY(0); }
.scroll-hint{
  margin-top:44px;
  font-family:var(--mono); font-size:11px; color:var(--paper-dim);
  letter-spacing:.15em; text-transform:uppercase;
  opacity:0; transition:opacity .5s var(--ease);
}
.scroll-hint.in-view{ opacity:1; }
@media (prefers-reduced-motion: reduce){
  .hero-title, .hero-sub, .scroll-hint{ opacity:1; transform:none; transition:none; }
}

/* ---------- section shell ---------- */
section{ padding:110px 6vw; position:relative; z-index:2; scroll-margin-top:90px; }
.eyebrow{
  font-family:var(--mono); font-size:12px; color:var(--amber);
  letter-spacing:.04em; margin-bottom:14px;
}
h2.section-title{
  font-family:var(--mono); font-weight:700;
  font-size:clamp(26px, 4vw, 40px);
  max-width:640px;
  margin-bottom:20px;
}

/* reveal-on-scroll: case files open one at a time as you read down the page */
.reveal{
  opacity:0; transform:translateY(14px);
  transition:opacity .5s var(--ease), transform .5s var(--ease);
}
.reveal.in-view{ opacity:1; transform:translateY(0); }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
}

/* tactile press feedback — matters most on touch/Android where there's no hover */
.case-link, .contact-links a, .nav-toggle, .modal-close, .navlinks a{
  transition:color .2s var(--ease), border-color .2s var(--ease), transform .12s var(--ease), background .2s var(--ease);
}
.case-link:active, .contact-links a:active, .nav-toggle:active, .modal-close:active{
  transform:scale(.94);
}
@media (prefers-reduced-motion: reduce){
  .case-link:active, .contact-links a:active, .nav-toggle:active, .modal-close:active{ transform:none; }
}

/* ---------- about ---------- */
.about-grid{
  display:grid; grid-template-columns:1.1fr .9fr; gap:60px;
  max-width:1100px;
}
.about p{ color:var(--paper-dim); max-width:520px; margin-bottom:16px; font-size:15.5px; }
.about strong{ color:var(--paper); font-weight:600; }
.stat-list{ border-left:1px solid var(--line); padding-left:26px; display:flex; flex-direction:column; gap:22px; }
.stat{ font-family:var(--mono); }
.stat .num{ font-size:26px; color:var(--amber); font-weight:700; }
.stat .label{ font-size:12.5px; color:var(--paper-dim); margin-top:2px; }
@media (max-width:860px){ .about-grid{ grid-template-columns:1fr; } }

/* ---------- projects: case files ---------- */
.case-list{ display:flex; flex-direction:column; gap:1px; max-width:1100px; background:var(--line); border:1px solid var(--line); border-radius:10px; overflow:hidden; }
.case{
  background:var(--ink-2);
  padding:32px 30px;
  display:grid;
  grid-template-columns:120px 1fr 200px;
  gap:26px;
  align-items:start;
  border-left:3px solid transparent;
  transition:background .25s var(--ease), border-color .25s var(--ease), opacity .5s var(--ease), transform .5s var(--ease);
}
.case:hover{ background:#1a222b; }
.case.in-view:hover{ transform:translateY(-3px); }
@media (prefers-reduced-motion: reduce){
  .case.in-view:hover{ transform:none; }
}
.case[data-status="deployed"]{ border-left-color:var(--teal); }
.case[data-status="progress"]{ border-left-color:var(--amber); }
.case[data-status="planned"]{ border-left-color:var(--line); }
.case-id{ font-family:var(--mono); font-size:13px; color:var(--paper-dim); padding-top:4px; }
.case-id .n{ display:block; font-size:22px; color:var(--paper); font-weight:700; margin-bottom:4px; }
.case-main h3{ font-family:var(--mono); font-size:19px; margin-bottom:8px; }
.case-main p{ color:var(--paper-dim); font-size:14.5px; max-width:560px; margin-bottom:14px; }
.case-preview{ margin-bottom:14px; }
.case-preview img{ width:100%; max-width:320px; border-radius:14px; border:1px solid rgba(255,255,255,.08); box-shadow:0 18px 45px rgba(0,0,0,.12); display:block; }

/* d1xxy OPTIMIZE quotes its own product's neon-cyan / glass branding here —
   scoped to this one preview so the rest of the site stays disciplined. */
.case-preview img.preview-glow{
  border:1px solid rgba(56,214,255,.35);
  box-shadow:0 0 0 1px rgba(56,214,255,.12), 0 22px 50px rgba(0,0,0,.35), 0 0 34px -6px rgba(56,214,255,.35);
}
.case[data-status] .case-preview{ position:relative; }
.case-preview:has(img.preview-glow)::before{
  content:''; position:absolute; inset:-1px; z-index:-1; max-width:320px;
  background:linear-gradient(135deg, rgba(56,214,255,.4), rgba(62,156,143,0) 60%);
  border-radius:15px; filter:blur(6px); opacity:.7;
}
.preview-fallback{ display:none; }
.case-preview.preview-missing{
  width:100%; max-width:320px; height:160px;
  display:flex; align-items:center; justify-content:center;
  border:1px dashed var(--line); border-radius:14px;
}
.case-preview.preview-missing .preview-fallback{
  display:block; font-family:var(--mono); font-size:12px; color:var(--paper-dim);
}
.tags{ display:flex; flex-wrap:wrap; gap:8px; }
.tag{ font-family:var(--mono); font-size:11px; padding:4px 9px; border:1px solid var(--line); border-radius:4px; color:var(--paper-dim); }
.case-status{ text-align:right; }
.status-pill{
  font-family:var(--mono); font-size:11px; letter-spacing:.06em; text-transform:uppercase;
  padding:5px 10px; border-radius:20px; display:inline-block; margin-bottom:10px;
}
.status-deployed{ color:var(--teal); border:1px solid var(--teal); }
.status-progress{ color:var(--amber); border:1px solid var(--amber); }
.status-planned{ color:var(--paper-dim); border:1px solid var(--line); }
.case-link{ display:block; font-family:var(--mono); font-size:12.5px; color:var(--paper-dim); background:none; border:none; cursor:pointer; margin-top:6px; padding:8px 0; }
.case-link:hover{ color:var(--amber); }
@media (max-width:820px){
  .case{ grid-template-columns:1fr; }
  .case-status{ text-align:left; }
}

/* ---------- stack manifest ---------- */
.manifest{
  max-width:1100px;
  display:grid; grid-template-columns:repeat(auto-fit, minmax(220px,1fr)); gap:1px;
  background:var(--line); border:1px solid var(--line); border-radius:10px; overflow:hidden;
}
.manifest-col{ background:var(--ink-2); padding:26px; }
.manifest-col h4{ font-family:var(--mono); font-size:12px; color:var(--amber); text-transform:uppercase; letter-spacing:.1em; margin-bottom:14px; }
.manifest-col ul{ list-style:none; display:flex; flex-direction:column; gap:8px; }
.manifest-col li{ font-family:var(--mono); font-size:14px; color:var(--paper-dim); }
.manifest-col li::before{ content:'▸ '; color:var(--teal); }

/* ---------- skill scan ---------- */
.skill-scan{ max-width:820px; display:flex; flex-direction:column; gap:22px; }
.skill-row{ display:grid; grid-template-columns:160px 1fr 60px; align-items:center; gap:18px; }
.skill-head{ display:flex; flex-direction:column; gap:2px; }
.skill-name{ font-family:var(--mono); font-size:14px; color:var(--paper); }
.skill-tag{ font-family:var(--mono); font-size:10.5px; color:var(--paper-dim); text-transform:uppercase; letter-spacing:.06em; }
.skill-track{
  position:relative; height:8px; border-radius:5px;
  background:var(--ink-2); border:1px solid var(--line); overflow:hidden;
}
.skill-fill{
  position:absolute; top:0; left:0; height:100%; width:0%;
  background:linear-gradient(90deg, var(--amber-dim), var(--amber));
  border-radius:5px 0 0 5px;
  transition:width 1.1s cubic-bezier(.16,.84,.44,1);
}
.skill-row.teal .skill-fill{ background:linear-gradient(90deg, #2a6d64, var(--teal)); }
.skill-pct{ font-family:var(--mono); font-size:13px; color:var(--paper-dim); text-align:right; }
.skill-row.filled .skill-pct{ color:var(--amber); }
.skill-row.filled.teal .skill-pct{ color:var(--teal); }
@media (max-width:640px){
  .skill-row{ grid-template-columns:1fr; gap:8px; }
  .skill-pct{ text-align:left; }
}

/* ---------- contact ---------- */
.contact-term{ max-width:640px; }
.contact-term .term-body{ font-size:14.5px; }
.contact-links{ display:flex; gap:18px; margin-top:26px; flex-wrap:wrap; }
.contact-links a{
  font-family:var(--mono); font-size:13px; color:var(--paper);
  border:1px solid var(--line); padding:10px 16px; border-radius:6px;
  transition:border-color .2s var(--ease), color .2s var(--ease);
}
.contact-links a:hover{ border-color:var(--amber); color:var(--amber); }

/* ---------- modal (case detail) ---------- */
.modal-overlay{
  position:fixed; inset:0; background:rgba(8,10,13,.75);
  display:none; align-items:center; justify-content:center;
  z-index:100; padding:24px;
  opacity:0; transition:opacity .18s ease;
}
.modal-overlay.open{ display:flex; opacity:1; }
.modal{
  max-width:560px; width:100%;
  background:var(--ink-2); border:1px solid var(--line); border-radius:10px;
  box-shadow:0 40px 100px -30px rgba(0,0,0,.7);
  max-height:80vh; overflow-y:auto;
  transform:translateY(10px); transition:transform .2s ease;
}
.modal-overlay.open .modal{ transform:translateY(0); }
.modal-close{
  position:absolute; top:6px; right:6px;
  font-family:var(--mono); background:none; border:none; color:var(--paper-dim);
  font-size:18px; cursor:pointer;
  width:40px; height:40px; display:flex; align-items:center; justify-content:center;
}
.modal-close:hover, .modal-close:focus-visible{ color:var(--amber); }
@media (prefers-reduced-motion: reduce){
  .modal-overlay, .modal{ transition:none; }
}
.modal-close:hover{ color:var(--amber); }
.modal .term-body p{ color:var(--paper-dim); font-size:14px; margin-bottom:12px; }
.modal .term-body h3{ font-family:var(--mono); font-size:18px; margin-bottom:12px; }

footer{
  padding:32px 6vw; border-top:1px solid var(--line);
  font-family:var(--mono); font-size:12px; color:var(--paper-dim);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
}

@media (prefers-reduced-motion: reduce){
  .cursor{ animation:none; }
  html{ scroll-behavior:auto; }
}