/* ============================================================
   tumekusa.dev — shared design system
   Death Stranding × SF terminal × lyricode minimalism
   font: Artemis Inter (display) / Inter + JP system / Source Code Pro
   ============================================================ */
@font-face{font-family:"Artemis";src:url("fonts/Artemis_Inter_041621.otf") format("opentype");font-display:swap}

:root{
  --bg:#f1f1ef; --ink:#1b1b1b; --body:#3a3a3a; --muted:#5f5f5f;
  --line:rgba(20,20,20,.14); --navy:#15243f;
  --accent:#4f9d63; --accent-2:#d19675; --green:#4f9d63; --bar:58px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  min-height:100vh;background:var(--bg);color:var(--body);
  font-family:"Inter","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  font-weight:300;letter-spacing:.02em;padding-right:var(--bar);
  position:relative;overflow-x:hidden}
/* faint dot grid (not pure white) */
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(rgba(20,20,20,.10) 1px,transparent 1.6px);
  background-size:23px 23px;
  -webkit-mask-image:radial-gradient(130% 100% at 28% 22%,#000 55%,transparent 100%);
          mask-image:radial-gradient(130% 100% at 28% 22%,#000 55%,transparent 100%)}
a{color:inherit}
.mono{font-family:"Source Code Pro",monospace}

/* ---- brand (top-left): small clover + name ---- */
.brand{position:fixed;top:30px;left:8vw;z-index:20;display:flex;align-items:center;gap:11px;
  text-decoration:none}
.brand img{width:26px;height:26px;display:block}
.brand .t{font-family:"Artemis","Inter",sans-serif;font-size:17px;letter-spacing:.02em;color:var(--ink);
  text-transform:uppercase}
.brand .t i{color:var(--accent);font-style:normal}

/* ---- nav (top-right) ---- */
nav{position:fixed;top:34px;right:calc(var(--bar) + 34px);z-index:20;display:flex;gap:24px}
nav a{position:relative;font-family:"Source Code Pro",monospace;font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);text-decoration:none;padding-top:10px;transition:.18s}
nav a::before{content:"";position:absolute;top:0;left:0;width:16px;height:1px;background:transparent}
nav a.active{color:var(--ink)} /* active tick removed — rail shows current section */
nav a:hover{color:var(--ink)}

/* ---- black vertical rail ---- */
.rail{position:fixed;top:0;right:0;bottom:0;width:var(--bar);background:var(--navy);z-index:30;
  display:flex;flex-direction:column;align-items:center;padding:44px 0 16px;
  clip-path:polygon(0 42px,42px 0,100% 0,100% 100%,0 100%)}
.rail .menu{width:40px;height:40px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:6px;cursor:pointer;flex:none;background:none;border:0;padding:0}
.rail .menu span{width:24px;height:1.5px;background:#e8e8e8;display:block}
.rail .menu span:nth-child(2){width:16px}
/* rail = section index + scroll progress (functional) */
.rail .rcur{writing-mode:vertical-rl;margin-top:18px;font-family:"Source Code Pro",monospace;
  font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:#aeb8cc;flex:none}
.railnav{flex:1;position:relative;top:auto;right:auto;left:auto;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:24px;margin:16px 0;width:100%}
.railnav::before{content:"";position:absolute;top:6px;bottom:6px;left:50%;transform:translateX(-50%);
  width:1px;background:rgba(255,255,255,.16)}
.railnav .rfill{position:absolute;top:6px;left:50%;transform:translateX(-50%);width:1px;height:0;
  background:var(--green);box-shadow:0 0 6px rgba(79,157,99,.85);transition:height .12s linear}
.rnode{position:relative;z-index:1;width:16px;height:16px;display:grid;place-items:center;text-decoration:none}
.rnode .d{width:7px;height:7px;border-radius:50%;background:var(--navy);border:1px solid #6b7790;transition:.2s}
.rnode:hover .d{border-color:#fff;transform:scale(1.2)}
.rnode.active .d{background:var(--green);border-color:var(--green);box-shadow:0 0 8px var(--green)}
.rpct{font-family:"Source Code Pro",monospace;font-size:10px;letter-spacing:.1em;color:#8893a8;flex:none}

/* ---- home hero (clover-led, understated) ---- */
main{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column;
  justify-content:center;padding:120px 8vw 150px;max-width:1180px}
.hero{display:flex;align-items:center;gap:52px;flex-wrap:wrap}
.hero .cloverbig{width:clamp(120px,15vw,190px);height:auto;flex:none;
  opacity:0;animation:fade .9s .15s both}
.hero .cloverbig .luck{stroke:var(--green)}
.eyebrow{font-family:"Source Code Pro",monospace;font-size:12px;letter-spacing:.3em;
  text-transform:uppercase;color:var(--muted);margin-bottom:18px;opacity:0;animation:fade .7s .1s both}
.eyebrow b{color:var(--accent)}
/* home tagline */
.tagline{font-weight:300;font-size:clamp(28px,4vw,46px);letter-spacing:.04em;color:var(--ink);
  line-height:1.15;margin-bottom:12px;opacity:0;animation:fade .8s .3s both}
.tagline .ac{color:var(--accent)}
.hname{font-family:"Artemis","Inter",sans-serif;font-size:clamp(18px,2.2vw,26px);letter-spacing:.05em;
  text-transform:uppercase;color:var(--ink);margin-bottom:28px;opacity:0;animation:fade .7s .42s both}
/* bullet-style self-intro */
.intro-list{list-style:none;display:flex;flex-direction:column;gap:12px;max-width:460px;
  opacity:0;animation:fade .7s .45s both}
.intro-list li{position:relative;padding-left:24px;font-size:15px;line-height:1.6;color:var(--body)}
.intro-list li::before{content:"";position:absolute;left:0;top:.5em;width:9px;height:9px;
  background:var(--accent);clip-path:polygon(0 0,100% 0,100% 58%,58% 100%,0 100%)}
.intro-list b{color:var(--ink);font-weight:500}
/* ---- social (home: fixed bottom-right; footer: inline) ---- */
.social{display:flex;gap:20px}
.social a{font-size:13px;color:var(--muted);text-decoration:none;border-bottom:1px solid transparent;
  padding-bottom:2px;transition:.16s}
.social a:hover{color:var(--accent);border-color:var(--accent)}
.social.fixed{position:fixed;right:calc(var(--bar) + 34px);bottom:42px;z-index:10;
  opacity:0;animation:fade .7s .7s both}

/* ---- inner pages ---- */
.page{position:relative;z-index:1;max-width:880px;margin:0 auto;padding:140px 8vw 60px}
.crumb{font-family:"Source Code Pro",monospace;font-size:12px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--muted);margin-bottom:16px}
.crumb b{color:var(--accent)}
.page h1{font-family:"Artemis","Inter",sans-serif;font-weight:400;font-size:clamp(34px,6vw,60px);
  letter-spacing:.01em;color:var(--ink);text-transform:uppercase;line-height:1;margin-bottom:10px}
.page .sub{color:var(--muted);font-size:14px;margin-bottom:48px}
.section{margin-bottom:46px}
.section > h2{font-family:"Source Code Pro",monospace;font-size:12px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink);margin-bottom:18px;padding-bottom:8px;border-bottom:1px solid var(--line);display:flex;
  align-items:center;gap:10px}
.section > h2::before{content:"//";color:var(--accent)}
.section p{font-size:15px;line-height:1.9;color:var(--body);max-width:640px}
.placeholder{border:1px dashed var(--line);color:var(--muted);font-family:"Source Code Pro",monospace;
  font-size:12px;letter-spacing:.1em;padding:26px;text-align:center;
  clip-path:polygon(0 0,100% 0,100% 84%,94% 100%,0 100%)}

/* image placeholder frame (grayscale + 60deg) */
.imgframe{border:1px solid var(--line);background:
    repeating-linear-gradient(135deg,rgba(20,20,20,.05) 0 6px,transparent 6px 12px),#e7e7e4;
  clip-path:polygon(0 0,100% 0,100% 84%,84% 100%,0 100%);
  display:grid;place-items:center;color:rgba(20,20,20,.3);font-family:"Source Code Pro",monospace;
  font-size:11px;letter-spacing:.12em;transition:.25s;overflow:hidden}
.imgframe:hover{border-color:var(--accent)}
.imgframe img{width:100%;height:100%;object-fit:cover;display:block}

/* works cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.card{border:1px solid var(--line);background:#fafaf8;text-decoration:none;color:inherit;
  display:flex;flex-direction:column;transition:.18s;
  clip-path:polygon(0 0,100% 0,100% 92%,95% 100%,0 100%)}
.card:hover{border-color:var(--accent);transform:translateY(-3px)}
.card .thumb{aspect-ratio:16/10}
.card .meta{padding:16px}
.card .meta h3{font-size:16px;color:var(--ink);font-weight:500;margin-bottom:6px}
.card .meta p{font-size:13px;color:var(--muted);line-height:1.6}
.card .meta .go{font-family:"Source Code Pro",monospace;font-size:11px;color:var(--accent);
  letter-spacing:.12em;margin-top:12px}

/* links page */
.linkrow{display:flex;justify-content:space-between;align-items:baseline;gap:20px;
  padding:18px 0;border-bottom:1px solid var(--line);text-decoration:none;transition:.16s}
a.linkrow:hover{padding-left:8px}
a.linkrow:hover .url{color:var(--accent)}
.linkrow .l .name{font-size:16px;color:var(--ink);font-weight:500}
.linkrow .l .desc{display:none}
.linkrow .url{font-family:"Source Code Pro",monospace;font-size:12.5px;color:var(--muted);
  white-space:nowrap;letter-spacing:.04em}
.soon{font-family:"Source Code Pro",monospace;font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);border:1px solid var(--accent);padding:2px 8px;white-space:nowrap}

/* inner-page footer */
.pagefoot{position:relative;z-index:1;max-width:880px;margin:40px auto 0;padding:24px 8vw 50px;
  border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;
  font-family:"Source Code Pro",monospace;font-size:11px;letter-spacing:.14em;color:var(--muted);
  text-transform:uppercase}

@keyframes fade{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@media(max-width:860px){
  nav,.social.fixed{display:none}
  .brand{left:24px}
  main{padding:110px 24px 120px}.hero{gap:30px}
  .page,.pagefoot{padding-left:24px;padding-right:24px}
}

/* ---- mobile menu (opened by the hamburger in the rail) ---- */
.menu-overlay{position:fixed;inset:0;z-index:60;background:rgba(241,241,239,.98);
  display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:34px;padding:0 12vw;
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .25s,transform .25s}
.menu-overlay.open{opacity:1;visibility:visible;transform:none}
.menu-overlay .menu-close{position:absolute;top:22px;right:24px;width:42px;height:42px;
  background:none;border:0;font-size:30px;line-height:1;color:var(--ink);cursor:pointer}
.menu-nav{display:flex;flex-direction:column;gap:18px;position:static;top:auto;right:auto}
.menu-nav a{font-family:"Artemis","Inter",sans-serif;text-transform:uppercase;
  font-size:clamp(30px,8vw,52px);letter-spacing:.03em;line-height:1;color:var(--ink);text-decoration:none}
.menu-nav a[aria-current=page]{color:var(--accent)}
.menu-social{display:flex;flex-wrap:wrap;gap:22px;font-family:"Source Code Pro",monospace;
  font-size:14px;letter-spacing:.06em}
.menu-social a{color:var(--muted);text-decoration:none}
.menu-social a:hover{color:var(--accent)}
body.menu-open{overflow:hidden}

/* scattered photos on the home "floor" (lower-left), kept subtle */
.scatter{position:fixed;right:var(--bar);top:0;bottom:0;width:min(46vw,760px);
  z-index:0;pointer-events:none}
.scatter img{position:absolute;left:var(--x);top:var(--y);width:var(--w);height:auto;
  transform:rotate(var(--r));border:4px solid #fafaf8;
  box-shadow:0 16px 32px -18px rgba(20,30,50,.4);
  filter:grayscale(.35) brightness(1.06) contrast(.95) saturate(.95)}
@media(max-width:860px){.scatter{display:none}}