:root{
  --ink:        #0A0E1A;
  --panel:      #10192E;
  --panel-2:    #141E38;
  --grid-line:  #223357;
  --amber:      #F0A84E;
  --amber-dim:  #8A6432;
  --text:       #EDEFF5;
  --text-dim:   #8B93A8;
  --text-faint: #4C5674;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
html,body{ background: var(--ink); color: var(--text); font-family: var(--font-body); width:100%; overflow-x:hidden; }
img{ max-width:100%; }
a{ color:inherit; }
code{ font-family: var(--font-mono); }

/* ================= NAV ================= */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  padding: 18px clamp(20px,5vw,64px);
  background: rgba(10,14,26,0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(34,51,87,0.5);
}
.nav-logo{ font-family:var(--font-display); font-weight:700; font-size:18px; text-decoration:none; letter-spacing:0.02em; }
.nav-logo .dot{ color:var(--amber); }
.nav-links{ display:flex; gap:28px; }
.nav-links a{ font-size:14px; text-decoration:none; color:var(--text-dim); transition:color 0.2s; }
.nav-links a:hover{ color:var(--text); }
@media (max-width:720px){ .nav-links{ display:none; } }

/* ================= BUTTONS ================= */
.btn{
  font-family: var(--font-body); font-weight:600; font-size:14.5px;
  padding:13px 24px; border-radius:3px; text-decoration:none;
  display:inline-flex; align-items:center; gap:8px;
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  cursor:pointer; border:none;
}
.btn-small{ padding:9px 16px; font-size:13px; }
.btn-primary{ background: var(--amber); color:#17110A; border:1px solid var(--amber); }
.btn-primary:hover{ transform: translateY(-2px); background:#f5b866; }
.btn-ghost{ background:transparent; color:var(--text); border:1px solid var(--grid-line); }
.btn-ghost:hover{ transform: translateY(-2px); border-color:var(--text-dim); }
.cta-row{ display:flex; gap:14px; flex-wrap:wrap; }

/* ================= HERO ================= */
.hero{
  position:relative; min-height:100vh; display:flex; align-items:center;
  perspective:1400px; overflow:hidden; padding: 100px clamp(24px,6vw,96px) 60px;
}
.grid-bg{
  position:absolute; inset:-10%;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size:56px 56px; opacity:0.28; transform:translateZ(-200px) scale(1.2);
  transition:transform 0.4s ease-out; pointer-events:none;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 40%, transparent 85%);
}
.grid-glow{ position:absolute; top:-20%; right:-10%; width:60vw; height:60vw; background:radial-gradient(circle, rgba(240,168,78,0.10) 0%, transparent 65%); pointer-events:none; }

.hero-inner{ position:relative; z-index:2; display:grid; grid-template-columns:1.1fr 0.9fr; align-items:center; gap:40px; width:100%; max-width:1280px; margin:0 auto; }

.eyebrow{ display:inline-flex; align-items:center; gap:10px; font-family:var(--font-mono); font-size:12.5px; letter-spacing:0.12em; text-transform:uppercase; color:var(--amber); margin-bottom:22px; }
.eyebrow::before{ content:''; width:7px; height:7px; border-radius:50%; background:var(--amber); box-shadow:0 0 0 3px rgba(240,168,78,0.18); animation:pulse 2.4s ease-in-out infinite; }

h1{ font-family:var(--font-display); font-weight:600; font-size:clamp(36px,4.6vw,62px); line-height:1.06; letter-spacing:-0.01em; }
h1 .accent{ color:var(--amber); }
h2{ font-family:var(--font-display); font-weight:600; font-size:clamp(28px,3.4vw,42px); line-height:1.15; letter-spacing:-0.01em; max-width:680px; }

.subtext{ margin-top:20px; max-width:480px; font-size:16.5px; line-height:1.65; color:var(--text-dim); }
.stack-line{ margin-top:22px; font-family:var(--font-mono); font-size:13px; color:var(--text-faint); }
.stack-line span{ color:var(--text-dim); }
.hero .cta-row{ margin-top:36px; }

.portrait-stage{ position:relative; height:560px; display:flex; align-items:flex-end; justify-content:flex-end; transform-style:preserve-3d; }
#graph-canvas{ position:absolute; inset:-15% -20% -10% -25%; z-index:1; pointer-events:none; }
.graph-disabled #graph-canvas{ display:none; }
.portrait-wrap{ position:relative; z-index:2; width:min(78%,380px); transform-style:preserve-3d; transform:rotateY(-6deg) rotateX(2deg) translateZ(0); transition:transform 0.15s ease-out; will-change:transform; }
.portrait-img{ display:none; width:100%; height:auto; object-fit:contain; filter:drop-shadow(0 30px 40px rgba(0,0,0,0.55)); }
.portrait-img.is-loaded{ display:block; }
.portrait-img.is-loaded ~ .cutout-placeholder{ display:none; }
.cutout-placeholder{ width:100%; aspect-ratio:3/4.1; filter:drop-shadow(0 30px 40px rgba(0,0,0,0.55)); }

.photo-hint{ position:absolute; bottom:-34px; right:0; font-family:var(--font-mono); font-size:11px; color:var(--text-faint); z-index:3; }
.photo-hint.is-hidden{ display:none; }

.node-tag{ position:absolute; font-family:var(--font-mono); font-size:11px; color:var(--text-dim); background:rgba(16,25,46,0.85); border:1px solid var(--grid-line); padding:5px 9px; border-radius:3px; backdrop-filter:blur(4px); z-index:3; }
.node-tag.t1{ top:8%; left:-6%; }
.node-tag.t2{ bottom:12%; right:-10%; }

.scroll-cue{ position:absolute; bottom:28px; left:50%; transform:translateX(-50%); font-family:var(--font-mono); font-size:10.5px; letter-spacing:0.15em; text-transform:uppercase; color:var(--text-faint); display:flex; flex-direction:column; align-items:center; gap:8px; }
.scroll-cue span{ width:1px; height:28px; background:linear-gradient(var(--text-faint), transparent); animation:scrollcue 1.8s ease-in-out infinite; }
@keyframes scrollcue{ 0%{ opacity:0; transform:scaleY(0.3); } 50%{ opacity:1; } 100%{ opacity:0; transform:scaleY(1); } }

@keyframes pulse{ 0%,100%{ box-shadow:0 0 0 3px rgba(240,168,78,0.18); } 50%{ box-shadow:0 0 0 6px rgba(240,168,78,0.05); } }

/* floating badges drifting behind hero copy */
.badge-field{ position:absolute; inset:0; z-index:1; pointer-events:none; overflow:hidden; }
.float-badge{
  position:absolute; font-family:var(--font-mono); font-size:12px; color:var(--text-dim);
  background:rgba(16,25,46,0.6); border:1px solid var(--grid-line); border-radius:20px;
  padding:6px 13px; display:inline-flex; align-items:center; gap:7px;
  animation: floaty 7s ease-in-out infinite;
  backdrop-filter: blur(3px);
}
.float-badge .dot{ width:7px; height:7px; border-radius:50%; }
@keyframes floaty{ 0%,100%{ transform:translateY(0) rotate(0deg); } 50%{ transform:translateY(-18px) rotate(2deg); } }

/* ================= SECTIONS (generic) ================= */
.section{ position:relative; padding:120px clamp(24px,6vw,96px); border-top:1px solid rgba(34,51,87,0.4); }
.section-inner{ max-width:1180px; margin:0 auto; }
.section .eyebrow::before{ display:none; }
.section .eyebrow{ margin-bottom:18px; }

/* reveal-on-scroll */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity 0.7s cubic-bezier(.2,.8,.2,1), transform 0.7s cubic-bezier(.2,.8,.2,1); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* ================= ABOUT ================= */
.about-grid{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start; }
.about-grid p{ color:var(--text-dim); font-size:16px; line-height:1.75; }
@media (max-width:820px){ .about-grid{ grid-template-columns:1fr; } }

.stats-row{ display:flex; gap:48px; margin-top:56px; padding-top:36px; border-top:1px solid rgba(34,51,87,0.4); flex-wrap:wrap; }
.stat-item{ display:flex; flex-direction:column; gap:4px; }
.stat-num{ font-family:var(--font-display); font-size:34px; font-weight:600; color:var(--amber); }
.stat-label{ font-family:var(--font-mono); font-size:12px; color:var(--text-dim); text-transform:uppercase; letter-spacing:0.06em; }

/* ================= FEATURED ================= */
.featured-card{
  display:grid; grid-template-columns:1fr 1fr; gap:0; border:1px solid var(--grid-line);
  border-radius:6px; overflow:hidden; background:var(--panel);
}
.featured-text{ padding:48px; display:flex; flex-direction:column; justify-content:center; gap:16px; }
.featured-text h3{ font-family:var(--font-display); font-size:30px; font-weight:600; }
.featured-text p{ color:var(--text-dim); font-size:15px; line-height:1.7; }
.featured-visual{ background:var(--panel-2); padding:48px; display:flex; align-items:center; justify-content:center; }
.mock-window{ width:100%; max-width:340px; background:var(--ink); border:1px solid var(--grid-line); border-radius:6px; padding:16px; }
.mock-bar{ display:flex; gap:6px; margin-bottom:16px; }
.mock-bar span{ width:9px; height:9px; border-radius:50%; background:var(--grid-line); }
.mock-line{ height:9px; border-radius:2px; background:var(--grid-line); margin-bottom:10px; }
.mock-line.w70{ width:70%; } .mock-line.w40{ width:40%; background:var(--amber-dim); } .mock-line.w85{ width:85%; } .mock-line.w55{ width:55%; }
.tag-row{ display:flex; gap:8px; flex-wrap:wrap; }
.tag-row span{ font-family:var(--font-mono); font-size:11px; color:var(--text-dim); border:1px solid var(--grid-line); padding:4px 10px; border-radius:20px; }
@media (max-width:820px){ .featured-card{ grid-template-columns:1fr; } }

/* project media screenshots/videos, drop-in convention like photo/resume */
.project-media{ position:relative; overflow:hidden; }
.project-media video, .project-media img.media-real{
  width:100%; height:100%; object-fit:cover; display:block;
}
.project-media.has-media .media-fallback{ display:none; }

.project-thumb{ height:150px; border-radius:4px; margin-bottom:18px; background:var(--panel-2); border:1px solid var(--grid-line); }
.thumb-fallback{
  width:100%; height:100%; display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-size:12px; color:var(--text-faint); letter-spacing:0.05em;
}

/* ================= PROJECT GRID ================= */
.project-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.project-card{
  position:relative; display:block; text-decoration:none; padding:32px; border:1px solid var(--grid-line);
  border-radius:6px; background:var(--panel); transition:transform 0.25s ease, border-color 0.25s ease;
}
.project-card:hover{ transform:translateY(-4px); border-color:var(--amber-dim); }
.project-card h4{ font-family:var(--font-display); font-size:20px; margin-bottom:10px; }
.project-card p{ color:var(--text-dim); font-size:14px; line-height:1.65; margin-bottom:16px; }
.card-arrow{ position:absolute; top:28px; right:28px; color:var(--text-faint); font-family:var(--font-mono); }
@media (max-width:720px){ .project-grid{ grid-template-columns:1fr; } }

/* ================= STACK grouped categories ================= */
.stack-groups{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; margin-top:44px; }
.stack-group{
  position:relative; border:1px solid var(--grid-line); border-radius:6px; background:var(--panel);
  padding:22px 18px; min-height:200px; overflow:hidden;
}
.stack-group h5{ font-family:var(--font-display); font-size:15px; font-weight:600; margin-bottom:6px; }
.stack-group .group-note{ font-size:12.5px; color:var(--text-dim); line-height:1.5; margin-bottom:18px; }
.stack-group .badge-well{ position:relative; height:110px; }
.stack-group .float-badge{ position:absolute; }
@media (max-width:980px){ .stack-groups{ grid-template-columns:1fr 1fr; } }
@media (max-width:600px){ .stack-groups{ grid-template-columns:1fr; } }

/* ================= CONTACT ================= */
.section-contact{ text-align:center; }
.section-contact .section-inner{ display:flex; flex-direction:column; align-items:center; }
.section-contact .eyebrow{ justify-content:center; }
.contact-sub{ color:var(--text-dim); margin:14px 0 30px; }
.footer{ margin-top:80px; font-family:var(--font-mono); font-size:11.5px; color:var(--text-faint); text-align:center; }

/* ================= PREVIEW PANEL ================= */
.preview-toggle{
  position:fixed; bottom:24px; right:24px; z-index:60; width:44px; height:44px; border-radius:50%;
  background:var(--panel); border:1px solid var(--grid-line); color:var(--text-dim); font-size:18px;
  cursor:pointer; transition:transform 0.25s ease, color 0.25s ease;
}
.preview-toggle:hover{ transform:rotate(45deg); color:var(--amber); }
.preview-panel{
  position:fixed; bottom:80px; right:24px; z-index:60; width:280px; background:var(--panel);
  border:1px solid var(--grid-line); border-radius:8px; padding:20px; display:none; flex-direction:column; gap:12px;
  box-shadow:0 20px 50px rgba(0,0,0,0.5);
}
.preview-panel.is-open{ display:flex; }
.preview-panel h5{ font-family:var(--font-display); font-size:14px; }
.preview-panel p{ font-size:12px; color:var(--text-dim); line-height:1.6; }
.file-row{ font-family:var(--font-mono); font-size:11.5px; color:var(--text-dim); display:flex; flex-direction:column; gap:6px; }
.file-row input{ font-size:11px; color:var(--text-dim); }

/* ================= RESPONSIVE HERO ================= */
@media (max-width:880px){
  .hero{ min-height:auto; padding-top:110px; }
  .hero-inner{ grid-template-columns:1fr; text-align:left; }
  .portrait-stage{ height:380px; margin-top:20px; order:-1; justify-content:center; }
  .portrait-wrap{ width:62%; transform:none !important; }
  .subtext{ max-width:100%; }
  .badge-field{ display:none; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
}