/* ============================================================
   DESIGN TOKENS — "Signal & Trace"
   Graphite-black board, copper trace accent, phosphor-green signal.
   ============================================================ */
:root{
  --bg:            #0A0D10;
  --bg-2:          #0D1114;
  --bg-3:          #0F1418;
  --panel:         rgba(233,236,233,0.045);
  --panel-strong:  rgba(233,236,233,0.08);
  --panel-border:  rgba(201,141,75,0.18);
  --panel-border-2:rgba(94,230,166,0.16);
  --copper:        #C98D4B;
  --copper-bright: #E3A868;
  --signal:        #5EE6A6;
  --signal-dim:    #3B8F68;
  --alert:         #FF6A4C;
  --text:          #ECEFEC;
  --text-dim:      #9BA6A2;
  --text-faint:    #5E6764;
  --display: 'Space Grotesk', sans-serif;
  --body:    'Inter', sans-serif;
  --mono:    'JetBrains Mono', monospace;
  --ease:    cubic-bezier(.16,.84,.44,1);
}
*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; background:var(--bg); }
body{ background:var(--bg); color:var(--text); font-family:var(--body); overflow-x:hidden; cursor:none; }
::selection{ background:var(--signal); color:#06110C; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:none; border:none; background:none; color:inherit; }
img{ max-width:100%; display:block; }
@media (prefers-reduced-motion: reduce){ *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; } }

body::before{
  content:''; position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(201,141,75,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,141,75,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent 70%);
  opacity:0.5;
}

/* volumetric glow blobs, mouse-reactive */
#volumetric{ position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden; }
.vol-blob{ position:absolute; border-radius:50%; filter:blur(80px); opacity:.28; will-change:transform; }
.vol-1{ width:520px; height:520px; background:var(--signal); top:-10%; left:8%; }
.vol-2{ width:460px; height:460px; background:var(--copper); top:20%; right:4%; }
.vol-3{ width:400px; height:400px; background:#3B8F68; bottom:-8%; left:32%; }

/* cursor */
.cursor-dot, .cursor-ring{ position:fixed; top:0; left:0; pointer-events:none; z-index:9999; border-radius:50%; transform:translate(-50%,-50%); will-change:transform; }
.cursor-dot{ width:6px; height:6px; background:var(--signal); box-shadow:0 0 8px var(--signal); }
.cursor-ring{ width:34px; height:34px; border:1px solid rgba(94,230,166,0.5); transition:width .25s var(--ease), height .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease); }
.cursor-ring.hover{ width:64px; height:64px; background:rgba(94,230,166,0.08); border-color:var(--copper-bright); }
@media (hover:none), (pointer:coarse){ .cursor-dot, .cursor-ring{ display:none; } body{ cursor:auto; } button, a{ cursor:pointer; } }

/* loader */
#loader{ position:fixed; inset:0; z-index:10000; background:var(--bg); display:flex; flex-direction:column; align-items:center; justify-content:center; gap:18px; transition:opacity .7s var(--ease), visibility .7s var(--ease); }
#loader.hidden{ opacity:0; visibility:hidden; }
.loader-mark{ font-family:var(--mono); font-size:12px; letter-spacing:.3em; color:var(--text-dim); text-transform:uppercase; }
.loader-bar{ width:220px; height:1px; background:rgba(255,255,255,0.08); position:relative; overflow:hidden; }
.loader-bar span{ position:absolute; left:0; top:0; height:100%; width:0%; background:linear-gradient(90deg,var(--copper),var(--signal)); }

/* layout */
.wrap{ max-width:1240px; margin:0 auto; padding:0 32px; position:relative; z-index:2; }
section{ position:relative; z-index:2; padding:130px 0; }
@media (max-width:768px){ section{ padding:90px 0; } .wrap{ padding:0 20px; } }
.eyebrow{ font-family:var(--mono); font-size:12px; letter-spacing:.28em; text-transform:uppercase; color:var(--copper-bright); display:flex; align-items:center; gap:10px; margin-bottom:18px; }
.eyebrow::before{ content:''; width:22px; height:1px; background:var(--copper-bright); }
h1,h2,h3,h4{ font-family:var(--display); font-weight:600; letter-spacing:-0.01em; }
.section-title{ font-size:clamp(28px,4vw,44px); margin-bottom:16px; }
.section-lede{ color:var(--text-dim); max-width:560px; font-size:16px; line-height:1.7; }

.glass{ background:linear-gradient(160deg, var(--panel), rgba(233,236,233,0.015)); border:1px solid var(--panel-border); backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px); border-radius:6px; position:relative; }
.glass::before{ content:''; position:absolute; inset:0; border-radius:inherit; padding:1px; background:linear-gradient(135deg, rgba(201,141,75,0.35), transparent 40%, rgba(94,230,166,0.2)); -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite:xor; mask-composite:exclude; pointer-events:none; }
.reveal{ opacity:0; transform:translateY(36px); }

/* ============================================================
   NAV
   ============================================================ */
#nav{ position:fixed; top:0; left:0; right:0; z-index:500; padding:20px 0; transition:background .4s var(--ease), border-color .4s var(--ease), padding .4s var(--ease); border-bottom:1px solid transparent; }
#nav.scrolled{ background:rgba(10,13,16,0.78); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px); border-color:rgba(255,255,255,0.06); padding:14px 0; }
.nav-inner{ display:flex; align-items:center; justify-content:space-between; }
.nav-logo{ font-family:var(--mono); font-size:15px; letter-spacing:.05em; display:flex; align-items:center; gap:8px; }
.nav-logo .dot{ width:7px; height:7px; border-radius:50%; background:var(--signal); box-shadow:0 0 8px var(--signal); animation:corePulse 2.4s ease-in-out infinite; }
@keyframes corePulse{ 0%,100%{ box-shadow:0 0 6px var(--signal);} 50%{ box-shadow:0 0 16px var(--signal), 0 0 26px rgba(94,230,166,0.4);} }
.nav-links{ display:flex; gap:34px; list-style:none; }
.nav-links a{ font-family:var(--mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:var(--text-dim); position:relative; padding-bottom:3px; }
.nav-links a::after{ content:''; position:absolute; left:0; bottom:0; width:0; height:1px; background:var(--signal); transition:width .3s var(--ease); }
.nav-links a:hover{ color:var(--text); } .nav-links a:hover::after{ width:100%; }
.nav-cta{ font-family:var(--mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; border:1px solid var(--panel-border); padding:9px 18px; border-radius:2px; color:var(--copper-bright); transition:all .3s var(--ease); }
.nav-cta:hover{ background:var(--copper); color:#0A0D10; border-color:var(--copper); }
.nav-burger{ display:none; width:22px; height:16px; position:relative; }
.nav-burger span{ position:absolute; left:0; width:100%; height:1px; background:var(--text); transition:.3s; }
.nav-burger span:nth-child(1){ top:0; } .nav-burger span:nth-child(2){ top:7px; } .nav-burger span:nth-child(3){ top:14px; }
@media (max-width:860px){ .nav-links{ display:none; } .nav-burger{ display:block; } }

/* ============================================================
   HERO — multi-layer 3D
   ============================================================ */
#hero{ min-height:100svh; display:flex; align-items:center; position:relative; padding-top:120px; overflow:hidden; }
#hero-canvas{ position:absolute; inset:0; z-index:0; }
.hero-grid-fade{ position:absolute; inset:0; z-index:1; pointer-events:none; background:radial-gradient(ellipse 60% 55% at 50% 40%, transparent 0%, var(--bg) 80%); }
.hero-content{ position:relative; z-index:3; width:100%; }
.hero-kicker{ font-family:var(--mono); font-size:13px; letter-spacing:.28em; text-transform:uppercase; color:var(--signal); margin-bottom:26px; display:flex; align-items:center; gap:12px; }
.hero-kicker .pulse{ width:8px; height:8px; border-radius:50%; background:var(--signal); box-shadow:0 0 10px var(--signal); animation:pulse 1.8s ease-in-out infinite; }
@keyframes pulse{ 0%,100%{ transform:scale(1); opacity:1;} 50%{ transform:scale(1.6); opacity:.5;} }
.hero-title{ font-size:clamp(42px, 8vw, 96px); line-height:0.98; font-weight:700; letter-spacing:-0.02em; margin-bottom:26px; max-width:1000px; }
.hero-title .line{ overflow:hidden; display:block; }
.hero-title .line span{ display:inline-block; }
.hero-title em{ font-style:normal; color:transparent; -webkit-text-stroke:1px var(--copper-bright); }
.hero-role{ font-family:var(--mono); font-size:clamp(14px,1.8vw,20px); color:var(--text-dim); margin-bottom:44px; display:flex; gap:10px; align-items:center; height:1.4em; }
.hero-role .role-text{ color:var(--signal); }
.hero-role .caret{ display:inline-block; width:2px; height:1em; background:var(--signal); animation:blink 1s steps(1) infinite; }
@keyframes blink{ 50%{ opacity:0; } }
.hero-actions{ display:flex; gap:18px; flex-wrap:wrap; }
.btn{ font-family:var(--mono); font-size:12px; letter-spacing:.12em; text-transform:uppercase; padding:16px 30px; border-radius:2px; position:relative; display:inline-flex; align-items:center; gap:10px; transform-style:preserve-3d; transition:transform .35s var(--ease), box-shadow .35s var(--ease); }
.btn-primary{ background:var(--signal); color:#06120C; font-weight:600; }
.btn-primary:hover{ transform:translateY(-3px) rotateX(6deg); box-shadow:0 14px 30px -10px rgba(94,230,166,0.45); }
.btn-ghost{ border:1px solid var(--panel-border); color:var(--text); }
.btn-ghost:hover{ transform:translateY(-3px) rotateX(6deg); border-color:var(--copper-bright); box-shadow:0 14px 30px -10px rgba(201,141,75,0.35); }
.btn svg{ width:14px; height:14px; }
.hero-stats{ display:flex; gap:52px; margin-top:76px; flex-wrap:wrap; }
.hero-stat b{ font-family:var(--display); font-size:30px; display:block; color:var(--text); }
.hero-stat span{ font-family:var(--mono); font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--text-faint); }
.scroll-cue{ position:absolute; bottom:36px; left:50%; transform:translateX(-50%); z-index:3; display:flex; flex-direction:column; align-items:center; gap:10px; color:var(--text-faint); }
.scroll-cue .stem{ width:1px; height:40px; background:linear-gradient(var(--signal), transparent); position:relative; overflow:hidden; }
.scroll-cue .stem::after{ content:''; position:absolute; top:-40px; left:0; width:100%; height:40px; background:linear-gradient(var(--bg), var(--signal)); animation:cueMove 1.8s ease-in-out infinite; }
@keyframes cueMove{ 0%{ transform:translateY(-100%);} 100%{ transform:translateY(200%);} }
.scroll-cue span{ font-family:var(--mono); font-size:10px; letter-spacing:.2em; text-transform:uppercase; }

/* ============================================================
   ABOUT ME
   ============================================================ */
#about-me{ position:relative; }
.aboutme-grid{ display:grid; grid-template-columns:0.85fr 1.15fr; gap:70px; align-items:center; }
@media (max-width:900px){ .aboutme-grid{ grid-template-columns:1fr; gap:50px; } }

.portrait-frame{ perspective:1200px; }
.portrait-glass{
  position:relative; aspect-ratio:4/5; border-radius:14px; overflow:hidden;
  border:1px solid var(--panel-border-2); background:linear-gradient(160deg, rgba(94,230,166,0.08), rgba(201,141,75,0.05));
  transform-style:preserve-3d; transition:transform .25s var(--ease), box-shadow .4s var(--ease);
  box-shadow:0 30px 70px -30px rgba(0,0,0,0.7);
}
.portrait-glass::after{ content:''; position:absolute; inset:0; background:linear-gradient(140deg, rgba(255,255,255,0.08), transparent 40%); pointer-events:none; }
.portrait-img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover; transform:translateZ(0);
}
.portrait-placeholder{
  position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:14px;
  background:radial-gradient(circle at 50% 30%, rgba(94,230,166,0.16), transparent 60%), var(--bg-2);
}
.portrait-mono{ font-family:var(--display); font-size:64px; color:var(--copper-bright); opacity:.8; -webkit-text-stroke:1.5px var(--copper-bright); }
.portrait-hint{ font-family:var(--mono); font-size:10.5px; color:var(--text-faint); text-align:center; padding:0 30px; line-height:1.6; }
.portrait-glow{ position:absolute; width:70%; height:40%; bottom:-10%; left:15%; background:var(--signal); filter:blur(50px); opacity:.25; z-index:-1; }
.portrait-badge{
  position:absolute; bottom:18px; left:18px; right:18px; padding:12px 16px; border-radius:8px;
  background:rgba(10,13,16,0.65); backdrop-filter:blur(10px); border:1px solid var(--panel-border);
  font-family:var(--mono); font-size:11px; color:var(--text-dim); display:flex; justify-content:space-between;
}

.aboutme-copy .eyebrow{ margin-bottom:14px; }
.aboutme-copy h2{ font-size:clamp(26px,3.4vw,38px); margin-bottom:22px; }
.aboutme-copy p{ color:var(--text-dim); line-height:1.85; font-size:15.5px; margin-bottom:16px; }
.aboutme-copy strong{ color:var(--text); font-weight:600; }
.strength-row{ display:flex; flex-wrap:wrap; gap:10px; margin-top:24px; }
.strength-chip{ font-family:var(--mono); font-size:11px; letter-spacing:.04em; padding:9px 14px; border-radius:999px; border:1px solid var(--panel-border-2); color:var(--signal); background:rgba(94,230,166,0.05); }

/* Core competencies (replaces GPA) */
.competency-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:60px; }
@media (max-width:900px){ .competency-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .competency-grid{ grid-template-columns:1fr; } }
.comp-card{ padding:24px; transform-style:preserve-3d; transition:transform .3s var(--ease), border-color .3s; }
.comp-card:hover{ border-color:var(--copper-bright); }
.comp-icon{ width:38px; height:38px; border-radius:8px; background:rgba(201,141,75,0.12); border:1px solid var(--panel-border); display:flex; align-items:center; justify-content:center; margin-bottom:14px; transform:translateZ(20px); }
.comp-icon svg{ width:18px; height:18px; stroke:var(--copper-bright); }
.comp-title{ font-family:var(--display); font-size:15.5px; margin-bottom:8px; transform:translateZ(20px); }
.comp-desc{ color:var(--text-faint); font-size:12.5px; line-height:1.6; transform:translateZ(10px); }

/* ============================================================
   EDUCATION / EXPERIENCE / LEADERSHIP — independent sections
   ============================================================ */
.card-3d-grid{ display:grid; gap:22px; }
.stack-card{ padding:32px; display:flex; gap:26px; transform-style:preserve-3d; transition:transform .3s var(--ease), border-color .3s; }
.stack-card:hover{ border-color:var(--signal); }
.stack-icon{ width:52px; height:52px; border-radius:10px; flex-shrink:0; display:flex; align-items:center; justify-content:center; background:linear-gradient(150deg, rgba(201,141,75,0.16), rgba(94,230,166,0.08)); border:1px solid var(--panel-border); transform:translateZ(26px); }
.stack-icon svg{ width:24px; height:24px; stroke:var(--signal); }
.stack-date{ font-family:var(--mono); font-size:11px; letter-spacing:.1em; color:var(--copper-bright); text-transform:uppercase; margin-bottom:6px; display:block; transform:translateZ(20px); }
.stack-role{ font-family:var(--display); font-size:20px; margin-bottom:3px; transform:translateZ(20px); }
.stack-org{ font-family:var(--mono); font-size:12.5px; color:var(--text-dim); margin-bottom:12px; transform:translateZ(20px); }
.stack-desc{ color:var(--text-dim); font-size:14px; line-height:1.75; transform:translateZ(14px); }
.stack-desc li{ margin-left:16px; margin-bottom:5px; }
.stack-tags{ display:flex; flex-wrap:wrap; gap:8px; margin-top:14px; transform:translateZ(20px); }

#education .card-3d-grid{ grid-template-columns:1fr; }
#experience .card-3d-grid{ grid-template-columns:1fr; }
#leadership .card-3d-grid{ grid-template-columns:repeat(3,1fr); }
@media (max-width:900px){ #leadership .card-3d-grid{ grid-template-columns:1fr; } }

/* ============================================================
   SKILLS — floating crystal pillars
   ============================================================ */
#skills{ overflow:visible; }
.skills-head{ display:flex; justify-content:space-between; align-items:flex-end; flex-wrap:wrap; gap:20px; margin-bottom:60px; }
.pillar-field{ display:grid; grid-template-columns:repeat(5,1fr); gap:20px; perspective:1600px; }
@media (max-width:1100px){ .pillar-field{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:700px){ .pillar-field{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:460px){ .pillar-field{ grid-template-columns:1fr; } }

.pillar{
  padding:24px 18px; display:flex; flex-direction:column; gap:16px;
  transform-style:preserve-3d; animation:pillarFloat 6s ease-in-out infinite;
  transition:border-color .3s;
}
.pillar:hover{ border-color:var(--copper-bright); }
@keyframes pillarFloat{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(-10px);} }
.pillar-head{ display:flex; align-items:center; gap:10px; transform:translateZ(24px); }
.pillar-head .p-icon{ width:34px; height:34px; border-radius:8px; background:rgba(94,230,166,0.1); border:1px solid var(--panel-border-2); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.pillar-head .p-icon svg{ width:16px; height:16px; stroke:var(--signal); }
.pillar-head h4{ font-family:var(--mono); font-size:11.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--text); }
.crystal{
  position:relative; padding:11px 13px; border-radius:8px; font-family:var(--mono); font-size:12.5px;
  background:rgba(255,255,255,0.03); border:1px solid rgba(255,255,255,0.07); color:var(--text-dim);
  transform-style:preserve-3d; transition:transform .25s var(--ease), border-color .25s, background .25s, color .25s, box-shadow .25s;
}
.crystal::before{ content:''; position:absolute; left:0; top:0; bottom:0; width:2px; border-radius:2px 0 0 2px; background:var(--copper); opacity:.6; }
.crystal:hover{ transform:translateZ(18px) scale(1.03); color:var(--text); border-color:var(--signal); background:rgba(94,230,166,0.07); box-shadow:0 10px 26px -12px rgba(94,230,166,0.4); }

#crystal-tooltip{
  position:fixed; z-index:600; pointer-events:none; padding:8px 12px; border-radius:6px;
  background:rgba(10,13,16,0.94); border:1px solid var(--panel-border-2); font-family:var(--mono); font-size:11px;
  color:var(--signal); opacity:0; transform:translate(-50%,-130%); transition:opacity .18s;
  max-width:220px; white-space:normal;
}
#crystal-tooltip.show{ opacity:1; }

/* ============================================================
   PROJECTS
   ============================================================ */
#projects{ position:relative; }
.proj-head{ display:flex; justify-content:space-between; align-items:flex-end; flex-wrap:wrap; gap:24px; margin-bottom:44px; }
.filters{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:52px; }
.filter-btn{ font-family:var(--mono); font-size:11.5px; letter-spacing:.08em; text-transform:uppercase; padding:10px 18px; border-radius:999px; border:1px solid var(--panel-border); color:var(--text-dim); transition:all .3s var(--ease); }
.filter-btn.active, .filter-btn:hover{ background:var(--signal); color:#06120C; border-color:var(--signal); }
.proj-grid{ display:grid; grid-template-columns:repeat(3, 1fr); gap:26px; }
@media (max-width:980px){ .proj-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px){ .proj-grid{ grid-template-columns:1fr; } }

.proj-card{ overflow:hidden; display:flex; flex-direction:column; cursor:none; transform-style:preserve-3d; will-change:transform; transition:box-shadow .4s var(--ease), border-color .4s var(--ease); }
.proj-card:hover{ border-color:var(--copper-bright); box-shadow:0 24px 50px -20px rgba(0,0,0,0.6); }

.proj-image{
  position:relative; aspect-ratio:16/10; overflow:hidden; border-bottom:1px solid var(--panel-border);
  background:linear-gradient(150deg, rgba(201,141,75,0.14), rgba(94,230,166,0.06));
  display:flex; align-items:center; justify-content:center; flex-direction:column; gap:8px;
}
.proj-image img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.proj-image .ph-icon{ width:40px; height:40px; opacity:.5; }
.proj-image .ph-icon svg{ width:100%; height:100%; stroke:var(--signal); }
.proj-image .ph-label{ font-family:var(--mono); font-size:9.5px; color:var(--text-faint); text-align:center; padding:0 16px; }
.proj-image .proj-diff{ position:absolute; top:12px; right:12px; }
.proj-image .proj-icon-badge{ position:absolute; top:12px; left:12px; width:38px; height:38px; border-radius:8px; background:rgba(10,13,16,0.55); backdrop-filter:blur(6px); border:1px solid var(--panel-border); display:flex; align-items:center; justify-content:center; }
.proj-image .proj-icon-badge svg{ width:18px; height:18px; stroke:var(--signal); }

.proj-body{ padding:24px; display:flex; flex-direction:column; gap:14px; flex:1; }
.proj-diff{ font-family:var(--mono); font-size:10px; letter-spacing:.08em; text-transform:uppercase; padding:5px 10px; border-radius:999px; border:1px solid var(--panel-border-2); color:var(--signal); background:rgba(10,13,16,0.35); }
.proj-diff.beginner{ color:var(--text-dim); border-color:var(--panel-border); }
.proj-diff.intermediate{ color:var(--copper-bright); border-color:var(--panel-border); }
.proj-diff.advanced{ color:var(--signal); }
.proj-diff.expert{ color:var(--alert); border-color:rgba(255,106,76,0.3); }
.proj-cat{ font-family:var(--mono); font-size:10.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--text-faint); }
.proj-title{ font-family:var(--display); font-size:20px; line-height:1.25; }
.proj-summary{ color:var(--text-dim); font-size:13.5px; line-height:1.65; flex:1; }
.proj-score{ display:flex; align-items:center; gap:10px; }
.score-bar{ flex:1; height:3px; background:rgba(255,255,255,0.08); border-radius:2px; overflow:hidden; }
.score-bar span{ display:block; height:100%; background:linear-gradient(90deg, var(--copper), var(--signal)); }
.score-num{ font-family:var(--mono); font-size:11px; color:var(--text-faint); }
.proj-tags{ display:flex; flex-wrap:wrap; gap:6px; }
.tag{ font-family:var(--mono); font-size:10px; padding:4px 9px; border-radius:4px; background:rgba(255,255,255,0.04); color:var(--text-faint); border:1px solid rgba(255,255,255,0.06); }
.proj-actions{ display:flex; gap:10px; margin-top:6px; }
.mini-btn{ font-family:var(--mono); font-size:11px; letter-spacing:.06em; text-transform:uppercase; padding:10px 14px; border-radius:4px; border:1px solid var(--panel-border); color:var(--text-dim); flex:1; text-align:center; transition:all .3s var(--ease); }
.mini-btn:hover{ border-color:var(--signal); color:var(--signal); }
.mini-btn.disabled{ opacity:.35; pointer-events:none; }
.mini-btn-source{
  display:flex; align-items:center; justify-content:center; gap:8px; flex:1.3;
  background:linear-gradient(135deg, rgba(201,141,75,0.16), rgba(94,230,166,0.08));
  border:1px solid var(--copper-bright); color:var(--copper-bright); font-weight:600;
  box-shadow:0 0 0 rgba(227,168,104,0);
}
.mini-btn-source svg{ width:14px; height:14px; }
.mini-btn-source:hover{ background:var(--copper-bright); color:#0A0D10; box-shadow:0 10px 26px -10px rgba(227,168,104,0.6); transform:translateY(-2px); }
.mini-btn-source.disabled{ opacity:.35; pointer-events:none; transform:none; }
.proj-empty{ grid-column:1/-1; text-align:center; padding:60px 0; color:var(--text-faint); font-family:var(--mono); font-size:13px; }

/* ============================================================
   PROJECT DETAIL "PAGE" (SPA view)
   ============================================================ */
#project-page{ position:fixed; inset:0; z-index:1500; background:var(--bg); overflow-y:auto; opacity:0; pointer-events:none; transition:opacity .5s var(--ease); }
#project-page.open{ opacity:1; pointer-events:all; }
.pp-back{
  position:fixed; top:26px; left:26px; z-index:1600; display:flex; align-items:center; gap:8px;
  font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--text-dim);
  padding:10px 16px; border-radius:999px; background:rgba(10,13,16,0.7); border:1px solid var(--panel-border); backdrop-filter:blur(10px);
}
.pp-back:hover{ color:var(--signal); border-color:var(--signal); }
.pp-back svg{ width:14px; height:14px; }

.pp-hero{ position:relative; min-height:64vh; display:flex; align-items:flex-end; overflow:hidden; padding:0 0 60px; }
.pp-hero-bg{ position:absolute; inset:0; background:linear-gradient(160deg, rgba(201,141,75,0.16), rgba(94,230,166,0.06)), var(--bg-2); }
.pp-hero-bg::after{ content:''; position:absolute; inset:0; background:radial-gradient(ellipse 70% 60% at 50% 30%, transparent, var(--bg) 85%); }
.pp-hero-noise{ position:absolute; inset:0; background-image:linear-gradient(rgba(201,141,75,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(201,141,75,0.05) 1px, transparent 1px); background-size:50px 50px; }
.pp-hero-content{ position:relative; z-index:2; padding-top:160px; }
.pp-cat{ font-family:var(--mono); font-size:12px; letter-spacing:.2em; text-transform:uppercase; color:var(--copper-bright); margin-bottom:16px; }
.pp-title{ font-family:var(--display); font-size:clamp(32px,5vw,60px); max-width:820px; margin-bottom:20px; }
.pp-tagline{ color:var(--text-dim); font-size:16px; max-width:600px; line-height:1.7; margin-bottom:28px; }
.pp-meta{ display:flex; gap:26px; flex-wrap:wrap; font-family:var(--mono); font-size:12px; color:var(--text-dim); }
.pp-meta b{ color:var(--signal); }

.pp-gallery{ display:grid; grid-template-columns:2fr 1fr 1fr; gap:14px; margin:-40px 0 0; position:relative; z-index:3; }
@media (max-width:800px){ .pp-gallery{ grid-template-columns:1fr; } }
.pp-shot{ aspect-ratio:16/10; border-radius:8px; overflow:hidden; border:1px solid var(--panel-border); background:linear-gradient(150deg, rgba(201,141,75,0.1), rgba(94,230,166,0.05)); display:flex; align-items:center; justify-content:center; flex-direction:column; gap:6px; }
.pp-shot img{ width:100%; height:100%; object-fit:cover; }
.pp-shot .ph-icon{ width:28px; height:28px; opacity:.4; }
.pp-shot .ph-icon svg{ width:100%; height:100%; stroke:var(--signal); }
.pp-shot .ph-label{ font-family:var(--mono); font-size:9px; color:var(--text-faint); }

.pp-body{ padding:90px 0 60px; }
.pp-layout{ display:grid; grid-template-columns:1fr 300px; gap:70px; }
@media (max-width:900px){ .pp-layout{ grid-template-columns:1fr; gap:44px; } }
.pp-section{ margin-bottom:52px; }
.pp-section h3{ font-family:var(--mono); font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:var(--signal); margin-bottom:18px; }
.pp-section p{ color:var(--text-dim); font-size:15px; line-height:1.85; }
.pp-section ul{ list-style:none; }
.pp-section li{ position:relative; padding-left:22px; color:var(--text-dim); font-size:14.5px; line-height:1.75; margin-bottom:11px; }
.pp-section li::before{ content:'▸'; position:absolute; left:0; color:var(--copper-bright); }
.pp-chal-pair{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:16px; }
@media (max-width:640px){ .pp-chal-pair{ grid-template-columns:1fr; } }
.pp-chal-box{ padding:18px; border-radius:8px; border:1px solid var(--panel-border); background:var(--panel); }
.pp-chal-box .lbl{ font-family:var(--mono); font-size:10px; letter-spacing:.1em; text-transform:uppercase; margin-bottom:8px; display:block; }
.pp-chal-box.challenge .lbl{ color:var(--alert); }
.pp-chal-box.solution .lbl{ color:var(--signal); }
.pp-chal-box p{ font-size:13.5px; line-height:1.65; }

.pp-side{ position:sticky; top:120px; align-self:start; display:flex; flex-direction:column; gap:22px; }
.pp-side-card{ padding:24px; }
.pp-side-card h5{ font-family:var(--mono); font-size:10.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--text-faint); margin-bottom:14px; }
.pp-stack-tags{ display:flex; flex-wrap:wrap; gap:7px; }
.pp-actions{ display:flex; flex-direction:column; gap:10px; }
.pp-actions .mini-btn, .pp-actions .mini-btn-source{ width:100%; padding:13px; }

.pp-nav{ display:flex; justify-content:space-between; align-items:center; padding:34px 0; border-top:1px solid var(--panel-border); margin-top:20px; }
.pp-nav-btn{ display:flex; flex-direction:column; gap:6px; max-width:44%; }
.pp-nav-btn.next{ align-items:flex-end; text-align:right; }
.pp-nav-btn .lbl{ font-family:var(--mono); font-size:10px; letter-spacing:.1em; text-transform:uppercase; color:var(--text-faint); }
.pp-nav-btn .ttl{ font-family:var(--display); font-size:15px; color:var(--text-dim); }
.pp-nav-btn:hover .ttl{ color:var(--signal); }

/* ============================================================
   CERTIFICATIONS
   ============================================================ */
.cert-grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(280px,1fr)); gap:24px; }
.cert-card{ padding:30px; display:flex; gap:20px; align-items:flex-start; transform-style:preserve-3d; }
.cert-icon{ width:48px; height:48px; flex-shrink:0; border-radius:8px; background:rgba(94,230,166,0.08); border:1px solid var(--panel-border-2); display:flex; align-items:center; justify-content:center; }
.cert-icon svg{ width:24px; height:24px; stroke:var(--signal); }
.cert-name{ font-family:var(--display); font-size:17px; margin-bottom:6px; }
.cert-org{ font-family:var(--mono); font-size:11.5px; color:var(--copper-bright); margin-bottom:10px; }
.cert-desc{ color:var(--text-dim); font-size:13.5px; line-height:1.65; }
.cert-card.placeholder{ border-style:dashed; opacity:.5; align-items:center; justify-content:center; text-align:center; }
.cert-card.placeholder p{ font-family:var(--mono); font-size:11.5px; color:var(--text-faint); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid{ display:grid; grid-template-columns:1fr 1.15fr; gap:60px; }
@media (max-width:900px){ .contact-grid{ grid-template-columns:1fr; gap:44px; } }
.contact-list{ display:flex; flex-direction:column; gap:4px; }
.contact-row{ display:flex; align-items:center; gap:16px; padding:18px 0; border-bottom:1px solid rgba(255,255,255,0.06); }
.contact-row .ico{ width:38px; height:38px; border-radius:8px; border:1px solid var(--panel-border); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.contact-row .ico svg{ width:17px; height:17px; stroke:var(--copper-bright); }
.contact-row .label{ font-family:var(--mono); font-size:10.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--text-faint); display:block; margin-bottom:2px; }
.contact-row .value{ font-size:15px; color:var(--text); }
.contact-row a:hover .value{ color:var(--signal); }
.contact-form{ padding:36px; transform-style:preserve-3d; }
.field{ margin-bottom:20px; }
.field label{ font-family:var(--mono); font-size:10.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--text-faint); display:block; margin-bottom:8px; }
.field input, .field textarea{ width:100%; background:rgba(255,255,255,0.03); border:1px solid var(--panel-border); border-radius:4px; padding:13px 14px; color:var(--text); font-family:var(--body); font-size:14px; cursor:auto; transition:border-color .3s; }
.field input:focus, .field textarea:focus{ outline:none; border-color:var(--signal); }
.field textarea{ resize:vertical; min-height:100px; }
.form-note{ font-family:var(--mono); font-size:10.5px; color:var(--text-faint); margin-top:14px; line-height:1.6; }

/* ============================================================
   FOOTER — layered 3D glass
   ============================================================ */
footer{ position:relative; z-index:2; padding:0; overflow:hidden; }
.footer-stage{ position:relative; padding:100px 0 0; perspective:1400px; }
.footer-glow{ position:absolute; top:0; left:50%; transform:translateX(-50%); width:70%; height:340px; background:radial-gradient(ellipse, rgba(94,230,166,0.14), transparent 70%); pointer-events:none; }
.footer-panel{ padding:50px 46px; transform-style:preserve-3d; transition:transform .3s var(--ease); }
.footer-top{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:40px; padding-bottom:40px; border-bottom:1px solid rgba(255,255,255,0.07); }
.footer-brand .nav-logo{ margin-bottom:14px; font-size:18px; transform:translateZ(20px); }
.footer-brand p{ color:var(--text-faint); font-size:13.5px; max-width:280px; line-height:1.7; transform:translateZ(12px); }
.footer-cols{ display:flex; gap:64px; flex-wrap:wrap; transform:translateZ(16px); }
.footer-col h5{ font-family:var(--mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--text-faint); margin-bottom:16px; }
.footer-col a{ display:block; font-size:13.5px; color:var(--text-dim); margin-bottom:11px; }
.footer-col a:hover{ color:var(--signal); }
.footer-cta-col{ display:flex; flex-direction:column; gap:12px; align-items:flex-start; transform:translateZ(24px); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px; padding:28px 0 60px; transform:translateZ(10px); }
.footer-bottom p{ font-family:var(--mono); font-size:11px; color:var(--text-faint); }
.social-row{ display:flex; gap:14px; }
.social-row a{ width:36px; height:36px; border-radius:50%; border:1px solid var(--panel-border); display:flex; align-items:center; justify-content:center; transition:transform .3s var(--ease), border-color .3s; }
.social-row a:hover{ border-color:var(--signal); transform:translateY(-3px); }
.social-row a svg{ width:15px; height:15px; stroke:var(--text-dim); }
.social-row a:hover svg{ stroke:var(--signal); }

#ambient{ position:fixed; inset:0; z-index:1; pointer-events:none; }
.amb-dot{ position:absolute; width:3px; height:3px; border-radius:50%; background:var(--signal); opacity:.35; filter:blur(.5px); }


/* ============================================================
   MULTI-PAGE ADDITIONS
   ============================================================ */
.first-section{ padding-top:190px; }
.pp-back{ top:96px; }
@media (max-width:600px){ .pp-back{ top:88px; } }
.form-success{ display:none; padding:12px 16px; border-radius:6px; background:rgba(94,230,166,0.1); border:1px solid rgba(94,230,166,0.3); color:var(--signal); font-family:var(--mono); font-size:12.5px; margin-bottom:18px; }
.form-success.show{ display:block; }
.nav-links a.active{ color:var(--signal); }
.nav-links a.active::after{ width:100%; }
#about-teaser{ padding:130px 0; }
.nav-logo{ white-space:nowrap; }
@media (max-width:520px){ .nav-logo{ font-size:12.5px; } }

/* ============================================================
   3D PRELOADER — rotating MRM cube
   ============================================================ */
#loader{ gap:26px; }
.loader-3d-stage{ perspective:900px; }
.loader-3d-cube{
  position:relative; width:92px; height:92px; margin:0 auto;
  transform-style:preserve-3d; animation:cubeSpin 3.4s linear infinite;
}
@keyframes cubeSpin{ from{ transform:rotateX(-20deg) rotateY(0deg);} to{ transform:rotateX(-20deg) rotateY(360deg);} }
.lf{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  font-family:var(--display); font-weight:700; font-size:19px; letter-spacing:.06em;
  color:var(--signal); background:linear-gradient(160deg, rgba(94,230,166,0.14), rgba(201,141,75,0.06));
  border:1px solid var(--panel-border-2); backdrop-filter:blur(4px);
  box-shadow:inset 0 0 30px rgba(94,230,166,0.08);
}
.lf-front{ transform:translateZ(46px); }
.lf-back{ transform:translateZ(-46px) rotateY(180deg); }
.lf-top{ transform:rotateX(90deg) translateZ(46px); color:var(--copper-bright); background:linear-gradient(160deg, rgba(201,141,75,0.18), rgba(94,230,166,0.05)); }
.lf-bottom{ transform:rotateX(-90deg) translateZ(46px); color:var(--copper-bright); background:linear-gradient(160deg, rgba(201,141,75,0.18), rgba(94,230,166,0.05)); }

/* ============================================================
   EXPERIENCE — connecting timeline (left rail + dots)
   ============================================================ */
.timeline{ position:relative; padding-left:38px; }
.timeline::before{ content:''; position:absolute; left:5px; top:8px; bottom:8px; width:1px; background:linear-gradient(var(--copper), var(--signal-dim) 60%, transparent); }
.tl-item{ position:relative; padding-bottom:48px; }
.tl-item:last-child{ padding-bottom:0; }
.tl-dot{ position:absolute; left:-38px; top:6px; width:12px; height:12px; border-radius:50%; background:var(--bg); border:2px solid var(--signal); box-shadow:0 0 0 5px rgba(94,230,166,0.08), 0 0 12px rgba(94,230,166,0.4); }
.tl-item:hover .tl-dot{ background:var(--signal); box-shadow:0 0 0 6px rgba(94,230,166,0.14), 0 0 18px rgba(94,230,166,0.65); }
.tl-card{ padding:26px 28px; transform-style:preserve-3d; transition:transform .3s var(--ease), border-color .3s; }
.tl-card:hover{ border-color:var(--signal); }
.tl-date{ font-family:var(--mono); font-size:11px; letter-spacing:.1em; color:var(--copper-bright); text-transform:uppercase; margin-bottom:6px; display:block; }
.tl-role{ font-family:var(--display); font-size:19px; margin-bottom:3px; }
.tl-org{ font-family:var(--mono); font-size:12.5px; color:var(--text-dim); margin-bottom:12px; }
.tl-desc{ color:var(--text-dim); font-size:14px; line-height:1.75; }
.tl-desc li{ margin-left:16px; margin-bottom:5px; }
.tl-tags{ display:flex; flex-wrap:wrap; gap:8px; margin-top:14px; }

/* ============================================================
   SKILLS — category-wise 3D grid
   ============================================================ */
.skills-3d-grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(300px,1fr)); gap:22px; perspective:1400px; }
.skill-cat-card{ padding:28px; display:flex; flex-direction:column; gap:20px; transform-style:preserve-3d; transition:border-color .3s, box-shadow .3s; }
.skill-cat-card:hover{ border-color:var(--cat-color, var(--signal)); box-shadow:0 24px 48px -26px var(--cat-color, var(--signal)); }
.proj-card:hover{ border-color:var(--cat-color, var(--copper-bright)); box-shadow:0 26px 52px -22px var(--cat-color, var(--copper-bright)); }
.skill-cat-head{ display:flex; align-items:center; gap:14px; transform:translateZ(26px); }
.skill-cat-icon{ position:relative; width:44px; height:44px; border-radius:10px; display:flex; align-items:center; justify-content:center; background:var(--cat-bg); border:1px solid var(--cat-border); flex-shrink:0; }
.skill-cat-icon::before{ content:''; position:absolute; inset:-6px; border-radius:13px; border:1px solid var(--cat-border); transform:rotateX(70deg); animation:ringSpin 6s linear infinite; }
.skill-cat-icon svg{ width:19px; height:19px; stroke:var(--cat-color); position:relative; z-index:1; }
.skill-cat-title{ font-family:var(--display); font-size:16.5px; }
.skill-cat-count{ font-family:var(--mono); font-size:10px; letter-spacing:.08em; color:var(--text-faint); margin-top:2px; }
.skill-tiles{ display:flex; flex-wrap:wrap; gap:9px; transform:translateZ(14px); }
.skill-tile{
  padding:9px 13px; border-radius:8px; font-family:var(--mono); font-size:12px; color:var(--text-dim);
  background:rgba(255,255,255,0.03); border:1px solid rgba(255,255,255,0.07); cursor:default;
  transition:transform .25s var(--ease), border-color .25s, color .25s, background .25s, box-shadow .25s;
}
.skill-tile:hover{ transform:translateZ(16px) scale(1.05); color:var(--bg); background:var(--cat-color); border-color:var(--cat-color); box-shadow:0 12px 26px -14px var(--cat-color); }
@keyframes ringSpin{ from{ transform:rotateX(70deg) rotateZ(0deg);} to{ transform:rotateX(70deg) rotateZ(360deg);} }

/* ============================================================
   HERO — procedural circuit-trace backdrop
   ============================================================ */
.hero-circuit{ position:absolute; inset:0; z-index:-1; opacity:.9; }
.hero-circuit svg{ width:100%; height:100%; }
.hero-circuit{ mask-image:radial-gradient(ellipse 75% 70% at 50% 35%, black 40%, transparent 85%); -webkit-mask-image:radial-gradient(ellipse 75% 70% at 50% 35%, black 40%, transparent 85%); }

/* ============================================================
   HERO — software/AI floating motifs (balances the hardware side)
   ============================================================ */
.hero-software-motifs{ position:absolute; inset:0; z-index:1; pointer-events:none; }
@media (max-width:560px){ .hero-software-motifs{ display:none; } }
.sw-motif{
  position:absolute; font-family:var(--mono); font-weight:600; font-size:14px; color:var(--signal);
  padding:10px 14px; border-radius:8px; background:rgba(94,230,166,0.06); border:1px solid rgba(94,230,166,0.18);
  backdrop-filter:blur(6px); opacity:.55; animation:swFloat 7s ease-in-out infinite;
}
@media (max-width:900px){ .sw-motif{ font-size:11px; padding:7px 10px; } }
.sw-motif-chat{ padding:10px; display:flex; align-items:center; justify-content:center; color:var(--copper-bright); background:rgba(201,141,75,0.07); border-color:rgba(201,141,75,0.2); }
.sw-motif-chat svg{ width:18px; height:18px; }
@keyframes swFloat{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(-14px);} }
.hero-noise{ position:absolute; inset:0; z-index:1; pointer-events:none; opacity:.05; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ============================================================
   REFINED GLOBAL BACKGROUND — blueprint grid + slow ambient glow
   ============================================================ */
body::before{
  background-image:
    linear-gradient(rgba(201,141,75,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,141,75,0.06) 1px, transparent 1px),
    radial-gradient(circle, rgba(94,230,166,0.22) 1px, transparent 1.4px);
  background-size: 64px 64px, 64px 64px, 64px 64px;
  background-position: 0 0, 0 0, 0 0;
}
#bg-ambient{ position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden; }
#bg-ambient .sweep{
  position:absolute; top:-40%; left:50%; width:160vw; height:160vw; margin-left:-80vw;
  background:conic-gradient(from 0deg, transparent 0deg, rgba(94,230,166,0.05) 40deg, transparent 90deg, transparent 260deg, rgba(201,141,75,0.05) 300deg, transparent 340deg);
  animation:bgSweep 40s linear infinite; opacity:.6;
}
@keyframes bgSweep{ to{ transform:rotate(360deg); } }
.vol-blob{ opacity:.18; }
.vol-1{ top:-8%; left:-6%; animation:borderLoop1 52s linear infinite; }
.vol-2{ top:-8%; left:-6%; animation:borderLoop2 64s linear infinite; animation-delay:-18s; }
.vol-3{ top:-8%; left:-6%; animation:borderLoop3 74s linear infinite; animation-delay:-40s; }
@keyframes borderLoop1{
  0%{ top:-8%; left:-6%; } 25%{ top:-8%; left:86%; } 50%{ top:78%; left:86%; } 75%{ top:78%; left:-6%; } 100%{ top:-8%; left:-6%; }
}
@keyframes borderLoop2{
  0%{ top:82%; left:-8%; } 25%{ top:-6%; left:-8%; } 50%{ top:-6%; left:82%; } 75%{ top:82%; left:82%; } 100%{ top:82%; left:-8%; }
}
@keyframes borderLoop3{
  0%{ top:36%; left:88%; } 25%{ top:88%; left:88%; } 50%{ top:88%; left:-4%; } 75%{ top:-4%; left:-4%; } 100%{ top:36%; left:88%; }
}

/* ============================================================
   HEADER — modern nav: logo mark, progress bar, sliding pill
   ============================================================ */
#nav{
  background:rgba(10,13,16,0.42); backdrop-filter:blur(18px) saturate(160%); -webkit-backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,0.06); overflow:hidden;
}
#nav.scrolled{ background:rgba(10,13,16,0.72); backdrop-filter:blur(22px) saturate(180%); -webkit-backdrop-filter:blur(22px) saturate(180%); }
#nav::before{
  content:''; position:absolute; inset:0 0 auto 0; height:1px;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
}
#nav::after{
  content:''; position:absolute; top:0; left:-40%; width:35%; height:100%; z-index:0; pointer-events:none;
  background:linear-gradient(115deg, transparent, rgba(255,255,255,0.08), transparent);
  animation:navSheen 9s ease-in-out infinite;
}
@keyframes navSheen{ 0%{ left:-40%; } 35%,100%{ left:120%; } }
.nav-inner{ position:relative; z-index:1; }
.nav-progress{ position:absolute; left:0; right:0; bottom:0; height:2px; background:rgba(255,255,255,0.04); overflow:hidden; z-index:2; }
.nav-progress span{ display:block; height:100%; width:0%; background:linear-gradient(90deg, var(--copper), var(--signal)); box-shadow:0 0 8px rgba(94,230,166,0.6); }
.logo-mark{ position:relative; width:20px; height:20px; border-radius:5px; display:inline-flex; align-items:center; justify-content:center; background:rgba(94,230,166,0.07); border:1px solid var(--panel-border-2); flex-shrink:0; }
.logo-mark::before{ content:''; position:absolute; inset:-4px; border-radius:8px; background:conic-gradient(from 0deg, var(--signal), var(--copper), var(--signal-dim), var(--signal)); opacity:.55; filter:blur(3px); animation:logoSpin 5s linear infinite; z-index:-1; }
.logo-mark .lm-dot{ width:5px; height:5px; border-radius:1.5px; background:var(--signal); box-shadow:0 0 6px var(--signal); }
@keyframes logoSpin{ to{ transform:rotate(360deg); } }
.nav-links{ position:relative; }
.nav-links li{ position:relative; z-index:1; }
.nav-links a{ padding:8px 14px; display:block; border-radius:6px; border:1px solid transparent; transition:background .25s, border-color .25s, color .25s; }
.nav-links a.active{ background:rgba(94,230,166,0.09); border:1px solid rgba(94,230,166,0.24); }
.nav-links a:hover:not(.active){ background:rgba(255,255,255,0.04); }
.nav-signal-layer{ position:absolute; left:0; right:0; bottom:0; height:15px; z-index:0; pointer-events:none; overflow:hidden; opacity:.65; }
.nav-signal-layer svg{ width:100%; height:100%; display:block; }
.nav-signal-bg .wave-sine{ stroke-dasharray:4 3; animation:navWaveFlow 3.2s linear infinite; }
.nav-signal-bg .wave-square{ stroke-dasharray:5 3; animation:navWaveFlow 2s linear infinite; }
.nav-signal-bg text{ opacity:.9; }
@keyframes navWaveFlow{ to{ stroke-dashoffset:-360; } }
.nav-cta{ display:inline-flex; align-items:center; gap:8px; border-radius:999px; background:linear-gradient(135deg, rgba(94,230,166,0.14), rgba(201,141,75,0.1)); }
.nav-cta:hover{ background:var(--signal); color:#06120C; border-color:var(--signal); }
.nav-cta svg{ width:13px; height:13px; }
.nav-burger{ z-index:600; }
.nav-burger span{ transition:transform .3s var(--ease), opacity .3s var(--ease); }
.nav-burger.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2){ opacity:0; }
.nav-burger.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

.mobile-overlay{
  position:fixed; inset:0; z-index:590; background:rgba(8,10,12,0.98); backdrop-filter:blur(24px); -webkit-backdrop-filter:blur(24px);
  display:flex; flex-direction:column; justify-content:center; padding:80px 40px;
  transform:translateY(-100%); opacity:0; transition:transform .5s var(--ease), opacity .4s var(--ease); pointer-events:none;
}
.mobile-overlay.open{ transform:translateY(0); opacity:1; pointer-events:all; }
.mobile-close{ position:absolute; top:24px; right:24px; width:40px; height:40px; border-radius:50%; border:1px solid var(--panel-border); display:flex; align-items:center; justify-content:center; font-size:20px; color:var(--text); line-height:1; }
.mobile-links{ list-style:none; display:flex; flex-direction:column; gap:2px; }
.mobile-links a{ font-family:var(--display); font-size:clamp(30px,9vw,46px); color:var(--text-dim); display:block; padding:9px 0; transition:color .3s; }
.mobile-links a:hover, .mobile-links a.active{ color:var(--signal); }
.mobile-footer{ margin-top:50px; display:flex; align-items:center; gap:26px; flex-wrap:wrap; }