:root{
  --bg:#0B0D10;
  --surface:#14171B;
  --surface2:#1B1F24;
  --border:#2A2F35;
  --orange:#FF6B1A;
  --blue:#4FA8D8;
  --text:#F2F1EC;
  --muted:#9AA1A9;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:0.03em;font-weight:600;}
.mono{font-family:'IBM Plex Mono',monospace;}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}
section{padding:96px 0;border-bottom:1px solid var(--border);}

/* ---------- NAV ---------- */
header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,13,16,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:1180px;margin:0 auto;padding:16px 24px;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;
}
.brand{font-family:'Oswald',sans-serif;font-weight:700;font-size:1.05rem;letter-spacing:0.06em;text-transform:uppercase;white-space:nowrap;text-decoration:none;}
.brand span{color:var(--orange);}
nav ul{list-style:none;display:flex;gap:clamp(10px,2.5vw,28px);flex-wrap:wrap;}
nav a{
  font-family:'IBM Plex Mono',monospace;
  font-size:0.72rem;letter-spacing:0.08em;text-transform:uppercase;
  color:var(--muted);text-decoration:none;padding:4px 2px;
  border-bottom:2px solid transparent;transition:color .2s,border-color .2s;
  white-space:nowrap;
}
nav a:hover{color:var(--orange);border-color:var(--orange);}

/* ---------- HERO / DATA PLATE ---------- */
#hero{padding:72px 0 96px;border-bottom:1px solid var(--border);position:relative;overflow:hidden;}
.hero-portrait{
  position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden;
}
.hero-portrait img{
  width:100%;height:100%;object-fit:cover;object-position:center 30%;
  filter:blur(16px) brightness(0.7) saturate(1.2);
  transform:scale(1.1);
  display:block;
}
.hero-portrait::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 70% 35%, rgba(255,107,26,0.14), transparent 60%);
  mix-blend-mode:overlay;
}
.hero-portrait::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(11,13,16,0.12) 0%, rgba(11,13,16,0.55) 100%);
}
.plate{
  position:relative;z-index:2;
  background:rgba(20,23,27,0.34);
  backdrop-filter:blur(4px) saturate(1.1);
  -webkit-backdrop-filter:blur(4px) saturate(1.1);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:6px;
  padding:48px clamp(24px,5vw,64px);
  display:grid;
  grid-template-columns:1.3fr 1fr;
  gap:40px;
  box-shadow:0 20px 60px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.05);
}
.rivet{
  position:absolute;width:12px;height:12px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%, #6b7078, #23262b 70%);
  box-shadow:0 1px 2px rgba(0,0,0,0.6), inset 0 0 2px rgba(0,0,0,0.8);
}
.rivet.tl{top:14px;left:14px}.rivet.tr{top:14px;right:14px}
.rivet.bl{bottom:14px;left:14px}.rivet.br{bottom:14px;right:14px}
.hero-id{
  position:absolute;top:-68px;right:clamp(20px,6vw,64px);z-index:3;
  width:224px;height:224px;border-radius:50%;
  border:4px solid var(--orange);
  box-shadow:0 14px 36px rgba(0,0,0,0.55), 0 0 0 8px rgba(11,13,16,0.85);
  overflow:hidden;background:var(--surface2);
}
.hero-id img{
  width:100%;height:100%;object-fit:cover;
  filter:contrast(1.06) saturate(1.05);
}
@media (max-width:820px){.hero-id{width:168px;height:168px;top:-54px;}}
@media (max-width:560px){.hero-id{width:130px;height:130px;top:-40px;right:20px;border-width:3px;}}
.plate-eyebrow{
  font-family:'IBM Plex Mono',monospace;font-size:0.72rem;letter-spacing:0.16em;
  color:var(--orange);text-transform:uppercase;margin-bottom:14px;
}
.plate h1{font-size:clamp(1.7rem,6.5vw,3.2rem);line-height:1.12;margin-bottom:18px;overflow-wrap:break-word;word-break:break-word;}
.plate h1 .accent{color:var(--orange)}
.plate-role{font-size:1.05rem;color:var(--muted);margin-bottom:24px;max-width:46ch;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px;}
.tag{
  font-family:'IBM Plex Mono',monospace;font-size:0.68rem;letter-spacing:0.04em;
  border:1px solid var(--border);color:var(--muted);padding:5px 10px;border-radius:3px;
  background:rgba(255,255,255,0.02);
}
.hero-links{display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  font-family:'IBM Plex Mono',monospace;font-size:0.75rem;letter-spacing:0.06em;text-transform:uppercase;
  padding:12px 22px;border-radius:3px;text-decoration:none;font-weight:600;
  border:1px solid var(--orange);color:var(--orange);transition:background .2s,color .2s;
  display:inline-block;
}
.btn:hover{background:var(--orange);color:#0B0D10;}
.btn.ghost{border-color:var(--border);color:var(--muted);}
.btn.ghost:hover{border-color:var(--blue);color:var(--blue);background:transparent;}

.plate-data{
  border-left:1px solid var(--border);
  padding-left:clamp(20px,3vw,40px);
  display:flex;flex-direction:column;justify-content:center;gap:16px;
}
@media (min-width:821px){.plate-data{padding-top:150px;}}
.data-row{display:flex;justify-content:space-between;gap:12px;font-family:'IBM Plex Mono',monospace;font-size:0.78rem;border-bottom:1px dashed var(--border);padding-bottom:10px;}
.data-row .k{color:var(--muted);text-transform:uppercase;letter-spacing:0.06em;}
.data-row .v{color:var(--text);text-align:right;}

@media (max-width:820px){
  .plate{grid-template-columns:1fr;}
  .plate-main{margin-top:120px;}
  .plate-data{border-left:none;border-top:1px solid var(--border);padding-left:0;padding-top:24px;}
}
@media (max-width:560px){.plate-main{margin-top:96px;}}

/* ---------- SECTION HEADS ---------- */
.eyebrow{
  font-family:'IBM Plex Mono',monospace;font-size:0.72rem;letter-spacing:0.18em;
  color:var(--blue);text-transform:uppercase;margin-bottom:10px;
}
.sec-head{margin-bottom:44px;max-width:70ch;}
.sec-head h2{font-size:clamp(1.6rem,3.4vw,2.3rem);margin-bottom:12px;}
.sec-head p{color:var(--muted);}

.notice-plate{
  display:flex;gap:12px;align-items:flex-start;
  margin-top:20px;padding:14px 18px;max-width:70ch;
  background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--orange);
  border-radius:4px;
}
.notice-plate .notice-icon{
  font-family:'IBM Plex Mono',monospace;font-size:0.68rem;font-weight:600;letter-spacing:0.06em;
  color:var(--orange);white-space:nowrap;padding-top:1px;
}
.notice-plate p{
  font-family:'IBM Plex Mono',monospace;font-size:0.74rem;line-height:1.7;
  color:var(--muted);letter-spacing:0.01em;
}

/* ---------- ABOUT ---------- */
#about p.lead{font-size:1.05rem;color:var(--text);max-width:74ch;margin-bottom:28px;}
.about-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 32px;max-width:900px;}
.about-grid li{list-style:none;position:relative;padding-left:22px;color:var(--muted);font-size:0.95rem;}
.about-grid li::before{content:"▸";position:absolute;left:0;color:var(--orange);}
@media (max-width:640px){.about-grid{grid-template-columns:1fr;}}

/* ---------- SPEC SHEET (skills table) ---------- */
.spec-table{width:100%;border-collapse:collapse;overflow-x:auto;display:block;}
.spec-table tbody{display:table;width:100%;}
.spec-table tr{border-bottom:1px solid var(--border);}
.spec-table tr:first-child{border-top:1px solid var(--border);}
.spec-table td{padding:16px 18px;vertical-align:top;font-size:0.9rem;}
.spec-table td.label{
  width:220px;font-family:'IBM Plex Mono',monospace;font-size:0.72rem;letter-spacing:0.06em;
  color:var(--orange);text-transform:uppercase;white-space:nowrap;
}
.spec-table td.val{color:var(--muted);}
.table-scroll{overflow-x:auto;border:1px solid var(--border);border-radius:4px;background:var(--surface);}

/* ---------- WORK GRID (homepage cards) ---------- */
.work-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;}
.work-card{
  background:var(--surface);border:1px solid var(--border);border-radius:6px;
  overflow:hidden;text-decoration:none;color:inherit;display:flex;flex-direction:column;
  transition:border-color .2s,transform .2s;
}
.work-card:hover{border-color:var(--orange);transform:translateY(-2px);}
.work-card .thumb{
  aspect-ratio:4/3;background:var(--surface2);position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
}
.work-card .thumb img{width:100%;height:100%;object-fit:cover;}
.work-card .thumb .thumb-empty{
  color:var(--muted);font-family:'IBM Plex Mono',monospace;font-size:0.62rem;letter-spacing:0.04em;
  text-align:center;padding:10px;text-transform:uppercase;line-height:1.5;
}
.work-card .thumb .rev-tag{
  position:absolute;top:10px;right:10px;font-family:'IBM Plex Mono',monospace;font-size:0.64rem;
  letter-spacing:0.06em;color:var(--orange);background:rgba(11,13,16,0.75);
  border:1px solid var(--border);padding:3px 8px;border-radius:3px;text-transform:uppercase;
}
.work-card .body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.work-card h3{font-size:1.05rem;line-height:1.3;}
.work-card .role{
  font-family:'IBM Plex Mono',monospace;font-size:0.66rem;letter-spacing:0.05em;
  color:var(--blue);text-transform:uppercase;
}
.work-card .brief{color:var(--muted);font-size:0.88rem;flex:1;}
.work-card .cta{
  font-family:'IBM Plex Mono',monospace;font-size:0.7rem;letter-spacing:0.08em;text-transform:uppercase;
  color:var(--orange);margin-top:6px;
}

/* ---------- PROJECT DETAIL: STICKY SPLIT VIEWER ---------- */
.project-back{
  display:inline-flex;align-items:center;gap:6px;margin-bottom:28px;
  font-family:'IBM Plex Mono',monospace;font-size:0.72rem;letter-spacing:0.06em;text-transform:uppercase;
  color:var(--muted);text-decoration:none;transition:color .2s;
}
.project-back:hover{color:var(--orange);}
.project-split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:start;}
@media (max-width:900px){
  .project-split{grid-template-columns:1fr;gap:28px;}
}
.viewer{position:sticky;top:88px;}
@media (max-width:900px){.viewer{position:static;}}
.viewer-stage{
  height:440px;display:flex;align-items:center;justify-content:center;
}
@media (max-width:600px){.viewer-stage{height:300px;}}
.viewer-frame{
  max-width:100%;background:var(--surface2);border:1px solid var(--border);
  border-radius:6px;overflow:hidden;position:relative;display:flex;align-items:center;justify-content:center;
  margin:0 auto;
}
.viewer-frame .viewer-main{
  display:block;width:100%;height:100%;
  opacity:0;transition:opacity .25s ease;
}
.viewer-frame .viewer-main.is-loaded{opacity:1;}
.viewer-frame .viewer-empty{
  color:var(--muted);font-family:'IBM Plex Mono',monospace;font-size:0.72rem;letter-spacing:0.04em;
  text-align:center;padding:16px;text-transform:uppercase;
}
.viewer-cap{
  display:flex;justify-content:space-between;align-items:center;margin-top:12px;
  font-family:'IBM Plex Mono',monospace;font-size:0.68rem;letter-spacing:0.06em;
  color:var(--muted);text-transform:uppercase;
}
.viewer-cap .rev{color:var(--orange);}
.viewer-cap .version{color:var(--blue);}
.viewer-cap .version:empty{display:none;}
.viewer-thumbs{display:flex;gap:14px;margin-top:14px;flex-wrap:wrap;}
.viewer-stack{
  display:flex;flex-direction:column;align-items:center;gap:6px;
  padding:6px;border:1px solid var(--border);border-radius:6px;background:rgba(255,255,255,0.015);
}
.viewer-stack-row{display:flex;gap:4px;}
.viewer-thumbs button{
  all:unset;cursor:pointer;width:64px;aspect-ratio:4/3;background:var(--surface2);
  border:1px solid var(--border);border-radius:4px;overflow:hidden;position:relative;
  display:flex;align-items:center;justify-content:center;transition:border-color .2s;
}
.viewer-thumbs button img{width:100%;height:100%;object-fit:cover;}
.viewer-thumbs button.active{border-color:var(--orange);}
.viewer-thumbs button:hover{border-color:var(--blue);}

.project-meta{margin-bottom:6px;}
.project-content h1{font-size:clamp(1.7rem,3.4vw,2.4rem);margin-bottom:6px;}
.case-role{font-family:'IBM Plex Mono',monospace;font-size:0.7rem;letter-spacing:0.06em;color:var(--blue);text-transform:uppercase;margin-bottom:24px;}
.case-block{margin-bottom:22px;}
.case-block .k{
  font-family:'IBM Plex Mono',monospace;font-size:0.7rem;letter-spacing:0.1em;color:var(--orange);
  text-transform:uppercase;margin-bottom:8px;display:block;
}
.case-block p, .case-block ul{color:var(--muted);font-size:0.95rem;}
.case-block ul{padding-left:18px;}
.case-block li{margin-bottom:6px;}

.project-nav{
  display:flex;justify-content:space-between;gap:16px;margin-top:40px;padding-top:24px;
  border-top:1px solid var(--border);
}
.project-nav a{
  font-family:'IBM Plex Mono',monospace;font-size:0.72rem;letter-spacing:0.05em;text-transform:uppercase;
  color:var(--muted);text-decoration:none;transition:color .2s;max-width:45%;
}
.project-nav a:hover{color:var(--orange);}
.project-nav a .dir{display:block;color:var(--muted);font-size:0.62rem;margin-bottom:4px;}
.project-nav a.next{text-align:right;margin-left:auto;}

/* ---------- REVISION LOG ---------- */
.revlog{width:100%;border-collapse:collapse;}
.revlog thead th{
  font-family:'IBM Plex Mono',monospace;font-size:0.68rem;letter-spacing:0.08em;text-transform:uppercase;
  color:var(--orange);text-align:left;padding:12px 16px;border-bottom:1px solid var(--border);background:var(--surface2);
}
.revlog td{padding:16px;border-bottom:1px solid var(--border);vertical-align:top;font-size:0.88rem;}
.revlog td.rev{
  font-family:'IBM Plex Mono',monospace;font-weight:600;color:var(--orange);width:56px;text-align:center;
}
.revlog td.period{font-family:'IBM Plex Mono',monospace;color:var(--muted);white-space:nowrap;width:150px;}
.revlog td.role{color:var(--text);font-weight:500;}
.revlog td .org{color:var(--muted);font-size:0.82rem;display:block;margin-top:4px;}
.revlog td.desc{color:var(--muted);}
.revlog tr:last-child td{border-bottom:none;}

/* ---------- EDUCATION ---------- */
.edu-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;}
.edu-card{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:24px;}
.edu-card h4{font-size:1rem;margin-bottom:6px;}
.edu-card .org{color:var(--blue);font-family:'IBM Plex Mono',monospace;font-size:0.78rem;margin-bottom:4px;}
.edu-card .meta{color:var(--muted);font-family:'IBM Plex Mono',monospace;font-size:0.72rem;}

/* ---------- HOBBY PROJECTS ---------- */
.hobby-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
@media (max-width:820px){.hobby-grid{grid-template-columns:1fr;}}
.hobby-card{
  background:var(--surface);border:1px solid var(--border);border-radius:6px;
  padding:24px;display:flex;flex-direction:row;align-items:stretch;gap:20px;text-decoration:none;color:inherit;
  transition:border-color .2s,transform .2s;
}
a.hobby-card:hover{border-color:var(--blue);transform:translateY(-2px);}
.hobby-card-body{display:flex;flex-direction:column;gap:12px;flex:1;min-width:0;}
.hobby-media{
  flex-shrink:0;width:140px;border-radius:6px;overflow:hidden;position:relative;
  background:radial-gradient(ellipse at 50% 30%,#111a20,#070c0e);
}
.hobby-media img{width:100%;height:100%;object-fit:cover;display:block;}
.hobby-model{width:100%;height:100%;position:relative;}
.hobby-model canvas{display:block;width:100%;height:100%;}
.hobby-model .hobby-model-hint{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:'IBM Plex Mono',monospace;font-size:0.6rem;letter-spacing:0.04em;text-transform:uppercase;
  color:var(--muted);text-align:center;padding:8px;transition:opacity .3s;pointer-events:none;
}
.hobby-model.is-loaded .hobby-model-hint{opacity:0;}
.hobby-card .tag-row{margin-bottom:0;}
.hobby-card h4{font-size:1.05rem;}
.hobby-card p{color:var(--muted);font-size:0.88rem;}
.hobby-card .cta{
  font-family:'IBM Plex Mono',monospace;font-size:0.7rem;letter-spacing:0.08em;text-transform:uppercase;
  color:var(--blue);margin-top:auto;
}
@media (max-width:560px){
  .hobby-card{flex-direction:column;}
  .hobby-media{width:100%;height:150px;order:-1;}
}

/* ---------- CONTACT ---------- */
#contact{border-bottom:none;}
.contact-plate{
  background:var(--surface2);border:1px solid var(--border);border-radius:6px;
  padding:48px clamp(24px,5vw,56px);display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between;align-items:center;
  position:relative;
}
.contact-plate h2{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:10px;}
.contact-plate p{color:var(--muted);max-width:44ch;}
.contact-links{display:flex;flex-direction:column;gap:10px;font-family:'IBM Plex Mono',monospace;font-size:0.85rem;}
.contact-links a{color:var(--text);text-decoration:none;border-bottom:1px solid var(--border);padding-bottom:2px;transition:color .2s,border-color .2s;}
.contact-links a:hover{color:var(--orange);border-color:var(--orange);}

footer{padding:28px 0;text-align:center;color:var(--muted);font-family:'IBM Plex Mono',monospace;font-size:0.72rem;letter-spacing:0.04em;}