@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@500;600;700;900&family=Big+Shoulders+Text:wght@400;500;600;700&family=Martian+Mono:wght@300;400;500;600&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}

:root {
  /* copper / ember — circuits */
  --accent: oklch(78% 0.17 58);
  --accent-ink: oklch(14% 0.02 55);
  --accent-bg: oklch(78% 0.17 58 / 8%);
  --accent-border: oklch(78% 0.17 58 / 20%);
  --accent-border2: oklch(78% 0.17 58 / 34%);

  /* crimson — objections */
  --accent2: oklch(66% 0.2 22);
  --accent2-bg: oklch(66% 0.2 22 / 8%);
  --accent2-border: oklch(66% 0.2 22 / 26%);

  /* steel-violet — secondary tag */
  --accent3: oklch(70% 0.09 275);
  --accent3-bg: oklch(70% 0.09 275 / 8%);
  --accent3-border: oklch(70% 0.09 275 / 22%);

  /* gold — license / tertiary tag */
  --gold: oklch(76% 0.13 85);
  --gold-bg: oklch(76% 0.13 85 / 8%);
  --gold-border: oklch(76% 0.13 85 / 22%);

  /* green — verified / field-tested */
  --green: oklch(72% 0.14 150);
  --green-bg: oklch(72% 0.14 150 / 8%);
  --green-border: oklch(72% 0.14 150 / 22%);

  --bg: oklch(15% 0.018 55);
  --bg2: oklch(18% 0.02 55);
  --surface: oklch(23% 0.024 55);
  --ink: oklch(96% 0.006 75);
  --text: oklch(88% 0.014 70);
  --muted: oklch(66% 0.032 60);
  --border: oklch(78% 0.17 58 / 12%);
  --border2: oklch(78% 0.17 58 / 26%);

  --head-d: 'Big Shoulders Display', sans-serif;
  --head: 'Big Shoulders Text', sans-serif;
  --mono: 'Martian Mono', monospace;

  --z-nav: 100;
  --z-nav-panel: 99;
  --z-nav-toggle: 101;
}

html{scroll-behavior:smooth;scroll-padding-top:80px;}
body{position:relative;background:var(--bg);color:var(--text);font-family:var(--mono);overflow-x:hidden;}

#bg3d{
  position:absolute;top:0;left:0;width:100vw;height:100vh;z-index:0;
  pointer-events:none;overflow:hidden;
}
#bg3d canvas{display:block;width:100% !important;height:100% !important;}

nav{
  position:fixed;top:0;left:0;right:0;z-index:var(--z-nav);
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 64px;
  background:oklch(15% 0.018 55 / 85%);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
}
.nav-logo{font-family:var(--head-d);font-size:22px;font-weight:700;letter-spacing:2px;color:var(--ink);text-decoration:none;text-transform:uppercase;}
.nav-logo em{color:var(--accent);font-style:normal;}
.nav-links{display:flex;gap:36px;}
.nav-links a{font-family:var(--mono);font-size:11px;font-weight:400;color:var(--muted);text-decoration:none;letter-spacing:1.5px;text-transform:uppercase;transition:color 0.2s;display:inline-flex;align-items:center;gap:6px;}
.nav-links a svg{width:15px;height:15px;flex-shrink:0;}
.nav-links a:hover{color:var(--accent);}
.nav-toggle{display:none;background:none;border:none;color:var(--muted);cursor:pointer;padding:4px;transition:color 0.2s;}
.nav-toggle:hover{color:var(--accent);}
.nav-toggle svg{width:22px;height:22px;display:block;}

#hero{
  position:relative;z-index:1;
  min-height:100vh;
  display:flex;flex-direction:column;justify-content:center;
  padding:0 64px;overflow:hidden;
}
#hero::after{
  content:'';position:absolute;bottom:0;left:0;right:0;height:30vh;
  background:linear-gradient(to bottom,transparent,var(--bg));
  pointer-events:none;z-index:0;
}

.hero-pre{font-family:var(--mono);font-size:12px;color:var(--accent);letter-spacing:2.5px;margin-bottom:22px;opacity:0;animation:up 0.5s ease 0.3s forwards;}
.hero-name{font-family:var(--head-d);font-size:clamp(52px,10vw,96px);font-weight:900;line-height:0.9;letter-spacing:-0.01em;text-transform:uppercase;color:var(--ink);opacity:0;animation:up 0.6s ease 0.5s forwards;text-wrap:balance;}
.hero-name .c{color:var(--accent);}
.hero-sub{font-family:var(--mono);font-size:clamp(14px,1.5vw,17px);font-weight:300;color:var(--muted);margin-top:22px;max-width:480px;line-height:1.85;letter-spacing:0.2px;opacity:0;animation:up 0.6s ease 0.7s forwards;text-wrap:pretty;}
.hero-sub strong{color:var(--text);font-weight:500;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:44px;opacity:0;animation:up 0.6s ease 0.9s forwards;}

.btn{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:1.5px;padding:12px 26px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:8px;transition:all 0.2s;}
.btn-fill{background:var(--accent);color:var(--accent-ink);border:none;font-weight:600;}
.btn-fill:hover{background:var(--ink);transform:translateY(-2px);}
.btn-ghost{background:var(--accent-bg);color:var(--ink);border:1px solid var(--accent-border2);}
.btn-ghost:hover{background:var(--accent3-bg);border-color:var(--accent3-border);transform:translateY(-2px);}

section{z-index:1;position:relative;padding:110px 64px;}
#about{background:var(--bg2);}
#projects{background:var(--bg);}

.s-header{display:flex;align-items:baseline;gap:20px;margin-bottom:60px;}
.s-title{font-family:var(--head);font-size:clamp(32px,4.5vw,52px);font-weight:700;color:var(--ink);letter-spacing:-0.01em;text-transform:uppercase;text-wrap:balance;}
.s-mark{font-family:var(--mono);color:var(--accent);font-weight:400;margin-right:2px;}
.s-rule{flex:1;height:1px;background:linear-gradient(90deg,var(--border2),transparent);}

.about-grid{display:grid;grid-template-columns:1fr 340px;gap:64px;align-items:start;}
.bio-block{border-top:1px solid var(--accent-border2);padding-top:24px;}
.bio-block p{font-family:var(--mono);font-size:13px;font-weight:300;color:var(--muted);line-height:1.9;letter-spacing:0.2px;text-wrap:pretty;}
.cursor{display:inline-block;width:2px;height:13px;background:var(--accent);vertical-align:middle;margin-left:2px;animation:blink 1s step-end infinite;}
.skill-list{display:flex;flex-direction:column;}
.skill-item{display:flex;align-items:center;gap:14px;padding:15px 0;border-bottom:1px solid var(--border);}
.skill-item:last-child{border-bottom:none;}
.skill-dot{width:6px;height:6px;background:var(--accent);flex-shrink:0;}
.skill-dot.soft{background:var(--accent3);}
.skill-dot.dim{background:var(--muted);}
.skill-name{font-family:var(--mono);font-size:11px;color:var(--text);letter-spacing:1px;flex-shrink:0;text-transform:uppercase;width:155px;}
.skill-bar{position:relative;flex:1;height:10px;background:var(--surface);overflow:hidden;}
.skill-bar::after{content:'';position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,var(--bg) 0 2px,transparent 2px 9px);pointer-events:none;}
.skill-fill{height:100%;background:var(--accent);transform-origin:left;transform:scaleX(0);transition:transform 0.7s cubic-bezier(0.22,1,0.36,1);}
.skill-list.in .skill-fill{transform:scaleX(1);}
.skill-item:has(.skill-dot.soft) .skill-fill{background:var(--accent3);}
.skill-item:has(.skill-dot.dim) .skill-fill{background:var(--muted);}
.skill-note{font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:1px;text-transform:uppercase;flex-shrink:0;text-align:right;min-width:72px;}

.proj-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);}
.proj-card{background:var(--bg2);padding:44px 40px;position:relative;overflow:hidden;transition:background 0.3s,box-shadow 0.3s;}
.proj-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform 0.45s cubic-bezier(0.22,1,0.36,1);}
.proj-card:hover{background:var(--surface);box-shadow:0 0 0 1px var(--accent-border2);}
.proj-card:hover::before{transform:scaleX(1);}
.proj-tag{font-family:var(--mono);font-size:10px;letter-spacing:2px;color:var(--muted);margin-bottom:18px;text-transform:uppercase;display:flex;align-items:center;gap:10px;}
.proj-wip{font-family:var(--mono);font-size:10px;letter-spacing:1px;color:var(--accent2);border:1px solid var(--accent2-border);padding:2px 8px;}
.proj-name{font-family:var(--head);font-size:26px;font-weight:700;color:var(--ink);letter-spacing:-0.005em;text-transform:uppercase;margin-bottom:14px;text-wrap:balance;}
.proj-desc{font-family:var(--mono);font-size:13px;font-weight:300;color:var(--muted);line-height:1.85;margin-bottom:26px;text-wrap:pretty;}
.proj-chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:26px;}
.chip{font-family:var(--mono);font-size:10px;letter-spacing:0.8px;color:var(--accent);background:var(--accent-bg);border:1px solid var(--accent-border);padding:3px 10px;text-transform:uppercase;}
.chip.p{color:var(--accent3);background:var(--accent3-bg);border-color:var(--accent3-border);}
.chip.l{color:var(--green);background:var(--green-bg);border-color:var(--green-border);}
.chip.r{color:var(--accent2);background:var(--accent2-bg);border-color:var(--accent2-border);}
.chip.m{color:var(--gold);background:var(--gold-bg);border-color:var(--gold-border);}
.proj-links{display:flex;flex-wrap:wrap;gap:8px;}
.proj-link{font-family:var(--mono);font-size:10px;letter-spacing:1px;color:var(--accent);text-decoration:none;display:inline-flex;align-items:center;gap:8px;text-transform:uppercase;padding:8px 16px;border:1px solid var(--accent-border2);transition:all 0.25s;}
.proj-link.p{color:var(--accent3);border-color:var(--accent3-border);}
.proj-link svg{width:14px;height:14px;flex-shrink:0;}
.proj-link:hover{background:var(--accent-bg);border-color:var(--accent-border2);gap:12px;}
.proj-link.p:hover{background:var(--accent3-bg);border-color:var(--accent3-border);}

footer{padding:36px 64px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;background:var(--bg);}
.footer-name{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:0.5px;}
.footer-name .footer-license{color:var(--accent);text-decoration:none;transition:all 0.2s;}
.footer-name .footer-license:hover{color:var(--ink);text-decoration:underline;}
.footer-note{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:1px;}

.rev{opacity:0;transform:translateY(20px);transition:opacity 0.6s ease,transform 0.6s ease;}
.rev.in{opacity:1;transform:none;}

@keyframes up{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}

@media(prefers-reduced-motion:reduce){
  .hero-pre,.hero-name,.hero-sub,.hero-actions{animation:none !important;opacity:1 !important;}
  .rev{transition:opacity 0.3s ease !important;transform:none !important;}
  .cursor{animation:none;opacity:1;}
}

@media(max-width:900px){
  nav{padding:16px 24px;}
  .nav-links{position:fixed;top:0;right:-100%;width:280px;height:100vh;flex-direction:column;background:oklch(15% 0.018 55 / 98%);backdrop-filter:blur(20px);padding:80px 32px 32px;gap:24px;transition:right 0.35s cubic-bezier(0.22,1,0.36,1);z-index:var(--z-nav-panel);border-left:1px solid var(--border);display:flex;}
  .nav-links.open{right:0;}
  .nav-toggle{display:block;position:relative;z-index:var(--z-nav-toggle);}
  #hero{padding:0 24px;}
  .hero-actions{flex-direction:column;width:100%;}
  .hero-actions .btn{width:100%;justify-content:center;}
  section{padding:72px 24px;}
  .about-grid{grid-template-columns:1fr;}
  .skill-item{flex-wrap:wrap;gap:10px;}
  .skill-name{width:120px;}
  .skill-note{min-width:auto;}
  .proj-grid{grid-template-columns:1fr;}
  footer{flex-direction:column;gap:14px;padding:28px 24px;text-align:center;}
  .proj-card{padding:32px 24px;}
}

@media(max-width:540px){
  nav{padding:12px 16px;}
  .nav-logo{font-size:18px;letter-spacing:1px;}
  #hero{padding:0 16px;}
  .hero-name{font-size:clamp(40px,16vw,60px);}
  .hero-sub{font-size:13px;margin-top:16px;}
  .hero-actions{margin-top:30px;gap:10px;}
  .hero-actions .btn{padding:10px 20px;font-size:10px;}
  section{padding:56px 16px;}
  .s-header{margin-bottom:36px;gap:12px;}
  .s-title{font-size:clamp(24px,7vw,30px);}
  .about-grid{gap:36px;}
  .bio-block{padding-top:18px;}
  .bio-block p{font-size:12px;}
  .proj-card{padding:24px 16px;}
  .proj-name{font-size:20px;}
  .proj-desc{font-size:12px;}
  .proj-link{padding:6px 12px;font-size:9px;}
  footer{padding:24px 16px;gap:10px;}
  .footer-name,.footer-note{font-size:10px;}
}