/* ============================================
   VOID // INTERFACE — 卢炜鑫 Portfolio v3.0
   Cyberpunk Data Terminal Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;700&family=Orbitron:wght@400;500;600;700;800;900&family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

/* === DESIGN TOKENS === */
:root {
  --void: #010108;
  --void-deep: #000005;
  --cyan: #00e5ff;
  --cyan-dim: rgba(0,229,255,0.15);
  --cyan-glow: rgba(0,229,255,0.4);
  --purple: #8b2fff;
  --purple-dim: rgba(139,47,255,0.12);
  --magenta: #ff1a8c;
  --magenta-dim: rgba(255,26,140,0.1);
  --white: #e0e0f0;
  --white-dim: rgba(224,224,240,0.5);
  --glass: rgba(10,10,30,0.7);
  --glass-border: rgba(0,229,255,0.12);
  --glass-border-active: rgba(0,229,255,0.35);
  --radius: 12px;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;
  --font-display: 'Orbitron', 'Space Grotesk', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --ease-out: cubic-bezier(0.16,1,0.3,1);
  --ease-bounce: cubic-bezier(0.34,1.56,0.64,1);
}

/* === RESET === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px;-webkit-font-smoothing:antialiased}
body{
  font-family:var(--font-body);
  background:var(--void);
  color:var(--white);
  overflow-x:hidden;
  cursor:none;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:none;border:none;background:none;color:inherit}
::selection{background:rgba(0,229,255,0.3);color:#fff}

/* === SCROLLBAR === */
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:var(--void)}
::-webkit-scrollbar-thumb{background:rgba(0,229,255,0.2);border-radius:2px}
::-webkit-scrollbar-thumb:hover{background:rgba(0,229,255,0.4)}

/* === BACKGROUND CANVAS (Data Streams) === */
#data-stream{
  position:fixed;inset:0;z-index:0;pointer-events:none
}

/* === SCANLINE OVERLAY === */
.scanlines{
  position:fixed;inset:0;z-index:9998;pointer-events:none;
  background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,0.03) 2px,rgba(0,0,0,0.03) 4px);
  opacity:0.4;
  animation:scanMove 8s linear infinite;
}
@keyframes scanMove{
  0%{background-position:0 0}
  100%{background-position:0 8px}
}

/* === BOOT SEQUENCE === */
.boot-overlay{
  position:fixed;inset:0;z-index:10000;
  background:var(--void-deep);
  display:flex;align-items:center;justify-content:center;
  transition:opacity 0.6s,visibility 0.6s;
}
.boot-overlay.hidden{opacity:0;visibility:hidden;pointer-events:none}
.boot-terminal{
  font-family:var(--font-mono);
  font-size:0.85rem;
  color:var(--cyan);
  max-width:600px;
  padding:2rem;
  line-height:1.8;
}
.boot-line{
  opacity:0;
  animation:bootReveal 0.3s forwards;
}
.boot-line:nth-child(1){animation-delay:0.2s}
.boot-line:nth-child(2){animation-delay:0.5s}
.boot-line:nth-child(3){animation-delay:0.8s}
.boot-line:nth-child(4){animation-delay:1.1s}
.boot-line:nth-child(5){animation-delay:1.5s}
.boot-line:nth-child(6){animation-delay:1.8s}
.boot-cursor{animation:blink 0.6s step-end infinite}
@keyframes bootReveal{to{opacity:1}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}

/* === CUSTOM CURSOR === */
#cursor{
  position:fixed;z-index:9999;pointer-events:none;
  width:28px;height:28px;
  border:1.5px solid var(--cyan);
  border-radius:2px;
  transform:translate(-50%,-50%) rotate(45deg);
  transition:width 0.2s,height 0.2s,border-color 0.2s;
  mix-blend-mode:screen;
}
#cursor.hover{
  width:48px;height:48px;
  border-color:var(--magenta);
  border-width:2px;
}
#cursor.click{
  width:18px;height:18px;
  border-color:#fff;
}
#cursor-dot{
  position:fixed;z-index:9999;pointer-events:none;
  width:4px;height:4px;
  background:var(--cyan);
  border-radius:50%;
  transform:translate(-50%,-50%);
  animation:dotFloat 3s ease-in-out infinite;
}
@keyframes dotFloat{
  0%,100%{box-shadow:0 0 4px var(--cyan),0 0 8px var(--cyan-dim)}
  50%{box-shadow:0 0 10px var(--cyan),0 0 20px var(--cyan-glow),0 0 30px var(--purple-dim)}
}

/* === MAIN CONTAINER === */
#main-content{position:relative;z-index:2}
.section{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;padding:4rem 2rem}


/* ========== HERO SECTION ========== */
#hero{
  min-height:100vh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  position:relative;
}
.hero-wireframe{
  width:280px;height:280px;margin-bottom:2rem;
  position:relative;
  perspective:800px;
  transform-style:preserve-3d;
  will-change:transform;
}
.wf-face{
  position:absolute;
  inset:0;
  border:1.5px solid var(--cyan-dim);
  border-radius:8px;
  transform-style:preserve-3d;
}
.wf-face:nth-child(1){transform:rotateY(0deg)}
.wf-face:nth-child(2){transform:rotateY(72deg)}
.wf-face:nth-child(3){transform:rotateY(144deg)}
.wf-face:nth-child(4){transform:rotateY(216deg)}
.wf-face:nth-child(5){transform:rotateY(288deg)}
.wf-edge{
  position:absolute;
  inset:0;
  border:1px solid var(--cyan-dim);
  border-radius:4px;
  transform:rotateX(90deg) translateZ(140px);
}
.wf-edge:nth-child(6){transform:rotateX(-90deg) translateZ(140px)}
.wf-core{
  position:absolute;
  top:50%;left:50%;
  width:16px;height:16px;
  background:var(--cyan);
  border-radius:50%;
  transform:translate(-50%,-50%);
  box-shadow:0 0 40px var(--cyan),0 0 80px var(--cyan-glow),0 0 120px var(--cyan-dim);
  animation:corePulse 2s ease-in-out infinite;
}
@keyframes corePulse{
  0%,100%{transform:translate(-50%,-50%) scale(1);opacity:0.8}
  50%{transform:translate(-50%,-50%) scale(1.6);opacity:1}
}
.hero-particle-ring{
  position:absolute;
  inset:-40px;
  border:1px dashed rgba(0,229,255,0.08);
  border-radius:50%;
  animation:ringSpin 20s linear infinite;
}
@keyframes ringSpin{to{transform:rotate(360deg)}}

.hero-name{
  font-family:var(--font-display);
  font-size:clamp(3rem,8vw,6rem);
  font-weight:800;
  letter-spacing:0.15em;
  text-transform:uppercase;
  background:linear-gradient(180deg,var(--cyan) 0%,var(--purple) 50%,var(--magenta) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  filter:drop-shadow(0 0 30px var(--cyan-dim));
  position:relative;
  z-index:1;
}
.hero-name.glitch::before,
.hero-name.glitch::after{
  content:attr(data-text);
  position:absolute;top:0;left:0;
  width:100%;height:100%;
  background:linear-gradient(180deg,var(--cyan) 0%,var(--purple) 50%,var(--magenta) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-name.glitch::before{
  animation:glitchTop 0.3s ease-in-out infinite;
  clip-path:polygon(0 20%,100% 20%,100% 40%,0 40%);
}
.hero-name.glitch::after{
  animation:glitchBottom 0.3s ease-in-out infinite;
  clip-path:polygon(0 60%,100% 60%,100% 80%,0 80%);
}
@keyframes glitchTop{
  0%,100%{transform:translate(0,0)}
  25%{transform:translate(3px,-2px)}
  75%{transform:translate(-3px,2px)}
}
@keyframes glitchBottom{
  0%,100%{transform:translate(0,0)}
  25%{transform:translate(-2px,3px)}
  75%{transform:translate(2px,-3px)}
}

.hero-subtitle{
  font-family:var(--font-mono);
  font-size:clamp(0.75rem,1.5vw,0.95rem);
  color:var(--white-dim);
  letter-spacing:0.3em;
  margin-top:1rem;
  text-align:center;
}
.hero-status{
  display:inline-flex;align-items:center;gap:0.5rem;
  margin-top:0.5rem;
  font-family:var(--font-mono);
  font-size:0.7rem;
  color:var(--cyan);
}
.status-dot{
  width:6px;height:6px;
  background:var(--cyan);
  border-radius:50%;
  animation:corePulse 2s ease-in-out infinite;
}
.hero-scroll-hint{
  position:absolute;bottom:3rem;
  display:flex;flex-direction:column;align-items:center;gap:0.5rem;
  opacity:0.4;
  font-family:var(--font-mono);font-size:0.6rem;
  letter-spacing:0.3em;
  color:var(--white-dim);
  animation:scrollFade 2s ease-in-out infinite;
}
@keyframes scrollFade{
  0%,100%{opacity:0.3;transform:translateY(0)}
  50%{opacity:0.7;transform:translateY(8px)}
}
.scroll-line-hero{
  width:1px;height:40px;
  background:linear-gradient(to bottom,var(--cyan),transparent);
}

/* ========== FLOATING NAV ========== */
#nav-hub{
  position:fixed;right:1.5rem;top:50%;
  transform:translateY(-50%);
  z-index:100;
  display:flex;flex-direction:column;gap:0.4rem;
}
.nav-dot{
  width:10px;height:10px;
  border-radius:50%;
  border:1px solid var(--glass-border);
  background:transparent;
  transition:all 0.3s var(--ease-out);
  position:relative;
}
.nav-dot:hover,.nav-dot.active{
  border-color:var(--cyan);
  background:var(--cyan);
  box-shadow:0 0 16px var(--cyan-glow);
  transform:scale(1.3);
}
.nav-dot::after{
  content:attr(data-label);
  position:absolute;right:20px;top:50%;
  transform:translateY(-50%);
  font-family:var(--font-mono);
  font-size:0.6rem;
  color:var(--cyan);
  white-space:nowrap;
  opacity:0;
  transition:opacity 0.3s;
  letter-spacing:0.1em;
}
.nav-dot:hover::after,.nav-dot.active::after{opacity:1}

/* ========== SECTION TITLES ========== */
.section-label{
  font-family:var(--font-mono);
  font-size:0.65rem;
  color:var(--cyan);
  letter-spacing:0.3em;
  text-transform:uppercase;
  margin-bottom:0.5rem;
}
.section-title-main{
  font-family:var(--font-display);
  font-size:clamp(1.8rem,4vw,3rem);
  font-weight:700;
  letter-spacing:0.08em;
  margin-bottom:2.5rem;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}

/* ========== HOLOGRAPHIC PROFILE (About) ========== */
#about{}
.about-inner{max-width:900px;width:100%;margin:0 auto}
.holo-card{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:2.5rem;
  backdrop-filter:blur(20px);
  position:relative;
  overflow:hidden;
}
.holo-card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,var(--cyan-dim),transparent 50%,var(--purple-dim));
  border-radius:var(--radius);
  pointer-events:none;
}
.holo-scan{
  position:absolute;left:0;width:100%;height:2px;
  background:linear-gradient(90deg,transparent,var(--cyan-glow),transparent);
  animation:holoScan 3s ease-in-out infinite;
  pointer-events:none;
}
@keyframes holoScan{
  0%,100%{top:0;opacity:0}
  30%{opacity:1}
  50%{top:100%;opacity:0}
}

.holo-grid{display:grid;grid-template-columns:auto 1fr;gap:2.5rem;align-items:start}
.holo-avatar-wrap{position:relative}
.holo-avatar-ring{
  position:absolute;inset:-8px;border-radius:50%;
  border:2px solid transparent;
  border-top-color:var(--cyan);
  border-right-color:var(--purple);
  animation:ringRotate 3s linear infinite;
  filter:drop-shadow(0 0 8px var(--cyan-dim));
}
@keyframes ringRotate{to{transform:rotate(360deg)}}
.holo-avatar{
  width:140px;height:140px;border-radius:50%;
  overflow:hidden;border:2px solid var(--glass-border);
  position:relative;z-index:1;
}
.holo-avatar img{width:100%;height:100%;object-fit:cover}
.holo-avatar.glitch-img{
  animation:glitchImg 0.3s ease-in-out;
}
@keyframes glitchImg{
  0%,100%{filter:none}
  25%{filter:hue-rotate(90deg) saturate(3);transform:translate(3px,0)}
  50%{filter:hue-rotate(180deg) saturate(2)}
  75%{filter:hue-rotate(270deg) saturate(3);transform:translate(-3px,0)}
}

.holo-info{}
.holo-name{
  font-family:var(--font-display);
  font-size:1.8rem;font-weight:700;margin-bottom:0.3rem;
  color:var(--cyan);
}
.holo-tagline{
  font-family:var(--font-mono);
  font-size:0.75rem;color:var(--white-dim);
  letter-spacing:0.1em;margin-bottom:1.5rem;
}
.holo-datalist{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:0.6rem;
}
.holo-data{
  padding:0.7rem 1rem;
  background:rgba(0,229,255,0.03);
  border:1px solid var(--glass-border);
  border-radius:6px;
  position:relative;
  overflow:hidden;
}
.holo-data::before{
  content:'';position:absolute;left:0;top:0;bottom:0;
  width:2px;
  background:var(--cyan);
  opacity:0.5;
}
.holo-data .data-label{
  font-family:var(--font-mono);
  font-size:0.55rem;color:var(--cyan);
  text-transform:uppercase;
  letter-spacing:0.15em;
  margin-bottom:0.2rem;
}
.holo-data .data-value{
  font-size:0.85rem;
}

/* Timeline */
.timeline-v2{
  margin-top:2rem;
  padding-left:1.5rem;
  border-left:1px solid rgba(0,229,255,0.15);
  display:flex;flex-direction:column;gap:1.2rem;
}
.tl-item{
  position:relative;
  padding:1rem 1.2rem;
  background:rgba(0,229,255,0.02);
  border:1px solid var(--glass-border);
  border-radius:6px;
  transition:all 0.3s;
}
.tl-item:hover{border-color:var(--cyan-dim);background:rgba(0,229,255,0.04)}
.tl-item::before{
  content:'';position:absolute;
  left:-1.85rem;top:1.2rem;
  width:8px;height:8px;
  background:var(--cyan);
  border-radius:50%;
  box-shadow:0 0 12px var(--cyan-glow);
}
.tl-item h4{font-size:0.95rem;margin-bottom:0.2rem}
.tl-item .tl-role{
  font-family:var(--font-mono);
  font-size:0.7rem;color:var(--cyan);margin-bottom:0.4rem;
}
.tl-item p{font-size:0.8rem;color:var(--white-dim)}

/* ========== NEURAL SKILL NETWORK ========== */
#skills{position:relative}
.skills-inner{max-width:1000px;width:100%;margin:0 auto;text-align:center}
#neural-canvas{
  width:100%;height:420px;
  display:block;
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  background:rgba(0,229,255,0.01);
  cursor:none;
}

/* ========== PROJECTION GRID (Portfolio) ========== */
#portfolio{}
.portfolio-inner{max-width:1200px;width:100%;margin:0 auto}

.filter-bar{
  display:flex;gap:0.4rem;flex-wrap:wrap;justify-content:center;
  margin-bottom:2rem;
}
.filter-chip{
  padding:0.4rem 1rem;
  border:1px solid var(--glass-border);
  border-radius:20px;
  font-family:var(--font-mono);
  font-size:0.7rem;
  color:var(--white-dim);
  letter-spacing:0.08em;
  transition:all 0.3s;
  cursor:none;
}
.filter-chip:hover,.filter-chip.active{
  border-color:var(--cyan);
  color:var(--cyan);
  background:var(--cyan-dim);
  box-shadow:0 0 20px var(--cyan-dim);
}

.project-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(320px,1fr));
  gap:1.5rem;
  perspective:1200px;
}
.proj-card{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:all 0.5s var(--ease-out);
  position:relative;
  backdrop-filter:blur(15px);
  transform-style:preserve-3d;
  will-change:transform;
}
.proj-card:hover{
  border-color:var(--cyan-dim);
  box-shadow:0 0 40px var(--cyan-dim),0 20px 60px rgba(0,0,0,0.6);
  transform:translateY(-6px) scale(1.01);
}
.proj-card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,var(--cyan-dim),transparent 60%);
  opacity:0;transition:opacity 0.4s;
  z-index:1;pointer-events:none;
}
.proj-card:hover::before{opacity:1}
.proj-card::after{
  content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(0,229,255,0.06),transparent);
  transition:left 0.7s;z-index:2;pointer-events:none;
}
.proj-card:hover::after{left:100%}
.proj-thumb{
  width:100%;aspect-ratio:16/10;
  background:rgba(0,0,0,0.5);
  position:relative;overflow:hidden;
}
.proj-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s}
.proj-card:hover .proj-thumb img{transform:scale(1.06)}
.proj-thumb-overlay{
  position:absolute;inset:0;
  background:rgba(0,0,0,0.5);
  display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity 0.3s;
}
.proj-card:hover .proj-thumb-overlay{opacity:1}
.proj-thumb-overlay span{
  padding:0.5rem 1.5rem;
  border:1px solid var(--cyan);
  border-radius:20px;
  font-family:var(--font-mono);
  font-size:0.7rem;
  color:var(--cyan);
  letter-spacing:0.1em;
}
.proj-body{padding:1.2rem;position:relative;z-index:3}
.proj-body h3{font-size:0.95rem;margin-bottom:0.4rem}
.proj-body p{font-size:0.78rem;color:var(--white-dim);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.proj-tags{display:flex;flex-wrap:wrap;gap:0.3rem;margin-top:0.8rem}
.proj-tag{
  padding:0.15rem 0.5rem;
  border:1px solid var(--glass-border);
  border-radius:10px;
  font-family:var(--font-mono);
  font-size:0.6rem;
  color:var(--white-dim);
}

.vid-placeholder{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  font-size:2.5rem;position:relative;overflow:hidden;
}
.vid-placeholder::after{
  content:'▶';
  position:absolute;font-size:2rem;color:var(--cyan);
  width:50px;height:50px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,0,0,0.5);
  border-radius:50%;
  border:1px solid var(--cyan-dim);
  transition:all 0.3s;
}
.proj-card:hover .vid-placeholder::after{
  transform:scale(1.1);
  box-shadow:0 0 20px var(--cyan-dim);
}

/* ========== TERMINAL FOOTER ========== */
#terminal{
  min-height:40vh;
  display:flex;align-items:center;justify-content:center;
}
.term-box{
  max-width:500px;width:100%;
  background:rgba(0,0,0,0.6);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:1.5rem;
  font-family:var(--font-mono);
}
.term-prompt{color:var(--cyan);font-size:0.75rem;margin-bottom:0.6rem}
.term-line{color:var(--white-dim);font-size:0.72rem;line-height:2}
.term-input-line{display:flex;align-items:center;gap:0.5rem;margin-top:0.8rem}
.term-input-line .prompt{color:var(--cyan);font-size:0.75rem}
.term-cursor-blink{
  width:8px;height:16px;background:var(--cyan);
  animation:blink 1s step-end infinite;
}

/* ========== ANIMATIONS ========== */
.reveal-el{
  opacity:0;transform:translateY(30px);
  transition:opacity 0.8s var(--ease-out),transform 0.8s var(--ease-out);
}
.reveal-el.visible{opacity:1;transform:translateY(0)}
.delay-1{transition-delay:0.05s}.delay-2{transition-delay:0.1s}
.delay-3{transition-delay:0.15s}.delay-4{transition-delay:0.2s}
.delay-5{transition-delay:0.25s}.delay-6{transition-delay:0.3s}

/* ========== RESPONSIVE ========== */
@media(max-width:768px){
  #nav-hub{right:0.5rem;gap:0.5rem}
  .nav-dot{width:8px;height:8px}
  .nav-dot::after{display:none}
  .hero-wireframe{width:180px;height:180px}
  .holo-grid{grid-template-columns:1fr;text-align:center}
  .holo-avatar-wrap{margin:0 auto}
  .holo-datalist{grid-template-columns:1fr 1fr}
  .project-grid{grid-template-columns:1fr}
  .wf-edge{transform:rotateX(90deg) translateZ(90px)}
  .wf-edge:nth-child(6){transform:rotateX(-90deg) translateZ(90px)}
  #cursor,#cursor-dot{display:none}
  body{cursor:auto}
  a,button,.proj-card,.filter-chip,.nav-dot,.holo-avatar,.modal-overlay,.modal-close-btn,.modal-gallery img{cursor:pointer}
}
@media(max-width:480px){
  .holo-datalist{grid-template-columns:1fr}
  .hero-name{font-size:2.5rem}
  .section{padding:3rem 1rem}
}


/* ========== MODAL SYSTEM ========== */
.modal-overlay{
  position:fixed;inset:0;z-index:10000;
  background:rgba(1,1,8,0.92);
  backdrop-filter:blur(20px);
  display:flex;align-items:center;justify-content:center;
  padding:2rem;
  opacity:0;visibility:hidden;
  transition:opacity 0.35s,visibility 0.35s;
  cursor:crosshair;
}
.modal-overlay *{cursor:auto}
.modal-overlay button{cursor:pointer}
.modal-overlay.active{opacity:1;visibility:visible}
.modal-content{
  background:var(--glass);
  border:1px solid var(--glass-border-active);
  border-radius:var(--radius);
  max-width:900px;width:100%;max-height:85vh;
  overflow-y:auto;
  position:relative;
  box-shadow:0 0 60px var(--cyan-dim),0 20px 80px rgba(0,0,0,0.7);
  transform:scale(0.9) translateY(20px);
  transition:transform 0.4s var(--ease-bounce);
}
.modal-overlay.active .modal-content{transform:scale(1) translateY(0)}
.modal-close-btn{
  position:sticky;top:0.8rem;float:right;
  margin-right:0.8rem;z-index:10;
  width:36px;height:36px;
  border:1px solid var(--glass-border);
  border-radius:50%;
  background:rgba(0,0,0,0.8);
  color:var(--cyan);
  font-size:1.2rem;
  display:flex;align-items:center;justify-content:center;
  transition:all 0.3s;
}
.modal-close-btn:hover{
  background:var(--magenta);
  border-color:var(--magenta);
  color:#fff;
  box-shadow:0 0 20px rgba(255,26,140,0.4);
}
.modal-header{padding:2rem 2rem 0.5rem}
.modal-header h2{font-family:var(--font-display);font-size:1.3rem;color:var(--cyan);margin-bottom:0.3rem}
.modal-header p{font-family:var(--font-mono);font-size:0.75rem;color:var(--white-dim)}
.modal-gallery{
  padding:1rem 2rem 2rem;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:0.6rem;
}
.modal-gallery img{
  width:100%;object-fit:contain;
  border-radius:6px;border:1px solid var(--glass-border);
  transition:transform 0.3s,border-color 0.3s;
  background:rgba(0,0,0,0.3);
}
.modal-gallery img:hover{
  transform:scale(1.05);
  border-color:var(--cyan);
}
.modal-gallery video{
  width:100%;border-radius:6px;
  border:1px solid var(--glass-border);
}

/* ========== DOWNLOAD BUTTON ========== */
.dl-btn-wrap{
  display:flex;justify-content:center;
  margin-top:2rem;
}
.dl-btn{
  display:inline-flex;align-items:center;gap:0.6rem;
  padding:0.8rem 2rem;
  border:1.5px solid var(--cyan);
  border-radius:30px;
  font-family:var(--font-mono);
  font-size:0.78rem;
  color:var(--cyan);
  letter-spacing:0.1em;
  background:rgba(0,229,255,0.03);
  transition:all 0.3s var(--ease-out);
  position:relative;
  overflow:hidden;
}
.dl-btn:hover{
  background:var(--cyan-dim);
  box-shadow:0 0 30px var(--cyan-dim),0 0 60px rgba(0,229,255,0.1);
  transform:translateY(-2px);
}
.dl-btn::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(0,229,255,0.1),transparent);
  transform:translateX(-100%);
  transition:transform 0.6s;
}
.dl-btn:hover::before{transform:translateX(100%)}
.dl-btn .dl-icon{font-size:1.1rem}
.dl-btn .dl-pulse{
  animation:corePulse 2s ease-in-out infinite;
  display:inline-block;
}

/* ========== KEYBOARD HINT ========== */
.kb-hint{
  position:fixed;bottom:1.5rem;left:50%;
  transform:translateX(-50%);
  font-family:var(--font-mono);
  font-size:0.6rem;
  color:var(--white-dim);
  letter-spacing:0.15em;
  opacity:0;
  transition:opacity 0.5s;
  z-index:99;
  pointer-events:none;
  background:rgba(1,1,8,0.8);
  padding:0.4rem 1rem;
  border-radius:15px;
  border:1px solid var(--glass-border);
}
.kb-hint.show{opacity:0.7}

/* ========== SECTION PROGRESS BAR ========== */
#progress-bar{
  position:fixed;top:0;left:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--magenta));
  z-index:9997;
  transition:width 0.1s linear;
  box-shadow:0 0 8px var(--cyan-dim);
}

/* ========== NEW CREATIVE EFFECTS ========== */

/* Section-entry particle burst trigger */
.section::after{
  content:'';position:absolute;inset:0;
  pointer-events:none;z-index:0;
}

/* Image loading blur-up */
.proj-thumb img{transition:opacity 0.4s}
.proj-thumb img.loaded{opacity:1}

/* Magnetic glow on filter chips */
.filter-chip{position:relative}
.filter-chip::after{
  content:'';position:absolute;inset:-2px;border-radius:22px;
  background:linear-gradient(135deg,var(--cyan),var(--purple));
  opacity:0;z-index:-1;transition:opacity 0.3s;
}
.filter-chip.active::after{opacity:0.6}

/* Pulse ring on nav dots */
.nav-dot::before{
  content:'';position:absolute;inset:-4px;border-radius:50%;
  border:1px solid transparent;
  transition:all 0.3s;
}
.nav-dot.active::before{
  border-color:var(--cyan);
  animation:navRingPulse 2s ease-in-out infinite;
}
@keyframes navRingPulse{
  0%,100%{transform:scale(1);opacity:0.5}
  50%{transform:scale(1.8);opacity:0}
}

/* Card dissolve on filter */
.proj-card{transition:opacity 0.4s,transform 0.4s var(--ease-out),border-color 0.3s}
.proj-card.filtered-out{opacity:0;transform:scale(0.9);pointer-events:none;position:absolute;visibility:hidden}

/* Mobile */
@media(max-width:768px){
  .modal-overlay{padding:1rem}
  .modal-gallery{grid-template-columns:1fr 1fr;padding:0.5rem 1rem 1rem}
  .modal-header{padding:1.5rem 1rem 0.5rem}
}