/* Pan Tau – industrial theme (shared by inner pages) */
:root{
  --steel:#1f1e1c;
  --plate:#2c2a27;
  --rule:#46413b;
  --rule-soft:#3a3632;
  --text:#e4ded3;
  --text-2:#cfc8bc;
  --muted:#8d867b;
  --faint:#5f5950;
  --amber:#e0a44a;
  --amber-dim:#9c7336;
  --display:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --body:"Barlow",Arial,Helvetica,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --pad:clamp(24px,4vw,64px);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--steel);color:var(--text);font-family:var(--body);-webkit-font-smoothing:antialiased}
a{color:inherit}
::selection{background:var(--amber);color:var(--steel)}

/* ---------- Page shell ---------- */
.shell{min-height:100vh;min-height:100dvh;display:grid;grid-template-columns:1fr}
.shell.split{grid-template-columns:minmax(420px,44%) 1fr}

.plate{
  position:relative;display:flex;flex-direction:column;min-height:100vh;min-height:100dvh;
  padding:28px var(--pad) 0;
  background:
    linear-gradient(180deg,rgba(255,255,255,.025),rgba(0,0,0,.18)),
    repeating-linear-gradient(90deg,rgba(255,255,255,.012) 0 1px,transparent 1px 3px),
    var(--plate);
  overflow:hidden;
}
.split .plate{border-right:1px solid var(--rule)}
.plate::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.22;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.rivet{position:absolute;width:9px;height:9px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#6b645b,#2b2824 60%,#151311);
  box-shadow:0 1px 1px rgba(0,0,0,.6),inset 0 0 0 1px rgba(0,0,0,.35)}
.rivet.tl{top:12px;left:12px}.rivet.tr{top:12px;right:12px}
.rivet.bl{bottom:12px;left:12px}.rivet.br{bottom:12px;right:12px}

/* ---------- Top nav ---------- */
.topnav{position:relative;display:flex;align-items:center;gap:clamp(14px,2vw,28px);padding-right:60px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase}
.topnav a{text-decoration:none;color:var(--muted);padding:6px 0;border-bottom:1px solid transparent;transition:color .15s,border-color .15s}
.topnav a:hover,.topnav a:focus-visible,.topnav a[aria-current="page"]{color:var(--text);border-color:var(--amber);outline:none}
.topnav .home{color:var(--text);font-weight:500;border-color:transparent}
.topnav .push{margin-left:auto}
.topnav a{white-space:nowrap}
@media (max-width:1180px){.split .topnav a:not(.home){display:none}}
.split .topnav{padding-right:0}

/* ---------- Content ---------- */
.content{position:relative;width:100%;max-width:880px;margin:auto 0;padding:clamp(48px,8vh,96px) 0}
.content.center{margin:auto;text-align:center;max-width:none}
.content.legal{max-width:760px;margin:0;padding-top:clamp(56px,10vh,110px)}

.tag{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin:0 0 22px}
.tag .lamp{width:7px;height:7px;border-radius:50%;background:var(--amber);box-shadow:0 0 10px 2px rgba(224,164,74,.55);animation:hum 3.2s ease-in-out infinite}
@keyframes hum{0%,100%{opacity:1}48%{opacity:.82}50%{opacity:.55}52%{opacity:.9}}

h1{font-family:var(--display);font-weight:700;text-transform:uppercase;
  font-size:clamp(64px,9vw,150px);line-height:.84;letter-spacing:-.005em;margin:0;color:var(--text);text-shadow:0 1px 0 rgba(0,0,0,.5)}
h1 .dash{color:var(--amber)}
.huge{font-size:clamp(110px,22vw,320px);line-height:.8}

.rule{height:0;border:0;border-top:1px solid var(--rule);margin:28px 0 0;max-width:620px}
.center .rule{margin-left:auto;margin-right:auto}

.lead{font-family:var(--display);font-weight:500;font-size:clamp(22px,2.2vw,32px);line-height:1.2;letter-spacing:.02em;text-transform:uppercase;color:var(--text-2);margin:22px 0 0;max-width:640px}
.center .lead{margin-left:auto;margin-right:auto}
.prose{max-width:600px;margin-top:22px}
.prose p{font-size:17px;line-height:1.7;margin:0 0 14px;color:var(--text-2)}

.badge{display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--steel);background:var(--amber);padding:4px 9px 3px;margin-top:22px}

/* parts list */
.parts{list-style:none;margin:40px 0 0;padding:0;max-width:640px;counter-reset:p}
.parts li{counter-increment:p;display:grid;grid-template-columns:44px 1fr auto;align-items:baseline;column-gap:0;
  padding:12px 0;border-bottom:1px solid var(--rule-soft)}
.parts li:first-child{border-top:1px solid var(--rule-soft)}
.parts li::before{content:counter(p,decimal-leading-zero);font-family:var(--mono);font-size:11px;color:var(--amber-dim);letter-spacing:.1em}
.parts .name{font-family:var(--display);font-weight:500;font-size:clamp(19px,1.6vw,24px);letter-spacing:.14em;text-transform:uppercase}
.parts em{font-style:normal;font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--faint);text-transform:uppercase}
.parts .desc{grid-column:2/-1;margin:6px 0 2px;font-size:16px;line-height:1.5;color:var(--muted)}
.parts.big li{padding:20px 0}
.parts.big .name{font-size:clamp(26px,2.6vw,38px);font-weight:600;letter-spacing:.08em}

/* buttons / links */
.btn{display:inline-flex;align-items:center;gap:12px;margin-top:36px;padding:14px 20px;border:1px solid var(--rule);
  text-decoration:none;font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--text);transition:.15s}
.btn:hover,.btn:focus-visible{border-color:var(--amber);color:var(--amber);outline:none}
.btn.solid{background:var(--amber);border-color:var(--amber);color:var(--steel)}
.btn.solid:hover,.btn.solid:focus-visible{background:transparent;color:var(--amber)}
.email{font-family:var(--display);font-weight:500;font-size:clamp(24px,3.4vw,46px);letter-spacing:.03em;text-decoration:none;
  display:inline-block;margin-top:34px;padding-bottom:6px;border-bottom:2px solid var(--amber);word-break:break-all}
.email:hover{color:var(--amber)}

/* legal */
.legal h1{font-size:clamp(52px,7vw,104px)}
.legal h2{font-family:var(--display);font-weight:600;font-size:22px;letter-spacing:.12em;text-transform:uppercase;margin:44px 0 12px;
  padding-top:14px;border-top:1px solid var(--rule-soft);color:var(--text)}
.legal p{font-size:16px;line-height:1.75;color:var(--text-2);margin:0 0 16px}
.legal a{color:var(--amber);text-decoration:none;border-bottom:1px solid var(--amber-dim)}
.legal .spec{margin-top:34px;padding:22px 24px;border:1px solid var(--rule);background:rgba(0,0,0,.18);position:relative}
.legal .spec::before{content:attr(data-label);position:absolute;top:-8px;left:16px;padding:0 8px;background:var(--plate);
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--amber-dim)}
.legal .spec p:last-child{margin-bottom:0}

/* ---------- Footer strip ---------- */
.strip{position:relative;display:flex;justify-content:space-between;gap:16px;
  margin:0 calc(-1*var(--pad));padding:13px var(--pad) 14px;
  border-top:1px solid var(--rule);background:rgba(0,0,0,.22);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.strip::before{content:"";position:absolute;left:0;right:0;top:-7px;height:6px;
  background:repeating-linear-gradient(-45deg,var(--amber-dim) 0 8px,transparent 8px 16px);opacity:.55}
.strip a{text-decoration:none}.strip a:hover{color:var(--text)}

/* ---------- Photo panel (concept page) ---------- */
.photo{position:relative;overflow:hidden;background:#0c0b0a;min-height:100vh}
.photo>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;filter:contrast(1.06) saturate(.88)}
.photo::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(18,17,16,.55),transparent 18%),radial-gradient(ellipse at 60% 45%,transparent 55%,rgba(0,0,0,.35))}
.coord{position:absolute;z-index:2;right:18px;bottom:16px;font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:rgba(228,222,211,.6);text-transform:uppercase}

/* ---------- Menu ---------- */
.menu-button{position:fixed;z-index:40;top:18px;right:18px;width:44px;height:44px;border:1px solid rgba(228,222,211,.35);
  border-radius:0;background:rgba(18,17,16,.55);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:grid;place-items:center;cursor:pointer;padding:0}
.menu-button:hover{border-color:var(--amber)}
.menu-button span,.menu-button span::before,.menu-button span::after{width:18px;height:2px;background:var(--text);display:block;content:"";transition:.25s ease;position:relative}
.menu-button span::before{position:absolute;top:-6px}.menu-button span::after{position:absolute;top:6px}
.menu-button.open span{background:transparent}
.menu-button.open span::before{top:0;transform:rotate(45deg)}.menu-button.open span::after{top:0;transform:rotate(-45deg)}
.menu{position:fixed;z-index:30;inset:0 0 0 auto;width:min(370px,88vw);background:var(--plate);color:var(--text);transform:translateX(100%);
  transition:transform .28s ease;padding:92px 34px 40px;border-left:1px solid var(--rule);overflow-y:auto}
.menu.open{transform:translateX(0)}
.menu nav{display:flex;flex-direction:column;counter-reset:m}
.menu a{counter-increment:m;display:flex;gap:16px;align-items:baseline;text-decoration:none;color:var(--text);
  font-family:var(--display);font-weight:500;font-size:22px;letter-spacing:.1em;text-transform:uppercase;padding:9px 0;border-bottom:1px solid var(--rule-soft)}
.menu a::before{content:counter(m,decimal-leading-zero);font-family:var(--mono);font-size:10px;color:var(--amber-dim);letter-spacing:.1em}
.menu a:hover,.menu a[aria-current="page"]{color:var(--amber)}
.menu .small{margin-top:30px;font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.overlay{position:fixed;z-index:25;inset:0;background:rgba(0,0,0,.4);opacity:0;pointer-events:none;transition:.28s ease}
.overlay.open{opacity:1;pointer-events:auto}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .shell.split{grid-template-columns:1fr}
  .split .photo{order:-1;min-height:0;height:52vh}
  .split .plate{border-right:0;border-top:1px solid var(--rule);min-height:0}
  .split .content{padding:36px 0 48px}
  .topnav a:not(.home){display:none}
}
@media (max-width:520px){
  .parts em{display:none}
  .parts li{grid-template-columns:36px 1fr}
  .strip{flex-direction:column;gap:6px}
  .prose p{font-size:16px}
}
@media (prefers-reduced-motion:reduce){.tag .lamp{animation:none}}

/* linked list items (concept page) + target highlight (work page) */
.parts a.name{text-decoration:none;transition:color .15s}
.parts a.name:hover,.parts a.name:focus-visible{color:var(--amber);outline:none}
.parts li{scroll-margin-top:80px;transition:background .3s}
.parts li:target{background:linear-gradient(90deg,rgba(224,164,74,.12),transparent 70%);box-shadow:inset 3px 0 0 var(--amber)}
.parts li:target .name,.parts li:target::before{color:var(--amber)}

/* sealed / teaser state */
.sealed{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:22px}
.center .sealed{justify-content:center}
.sealed .badge{margin-top:0}
.seal-line{font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}

/* Pan easter egg in footer */
.strip{align-items:center}
.pan-mark{display:block;line-height:0;opacity:.45;transition:opacity .2s,transform .2s}
.pan-mark:hover,.pan-mark:focus-visible{opacity:1;transform:rotate(-8deg);outline:none}
.pan-mark img{width:26px;height:26px;display:block}
@media (max-width:520px){.strip .pan-mark{order:3;margin-top:4px}}

/* I.O.T. – Items of Temptation (concept page) */
.bg-word{position:absolute;z-index:0;left:calc(var(--pad) - .05em);bottom:74px;pointer-events:none;user-select:none;
  font-family:var(--display);font-weight:700;font-size:clamp(160px,19.5vw,340px);line-height:.74;letter-spacing:.02em;white-space:nowrap;
  color:transparent;-webkit-text-stroke:1.5px rgba(228,222,211,.10);text-stroke:1.5px rgba(228,222,211,.10)}
.plate>.topnav,.plate>.content,.plate>.strip{z-index:1}
.iot{margin:44px 0 0;font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.iot b{color:var(--amber);font-weight:500;margin-right:10px}
@media (max-width:980px){.bg-word{font-size:40vw;bottom:110px}}