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

:root{
  --bg:#06090f;
  --bg-card:rgba(15,23,42,0.65);
  --cyan:#06d6a0;
  --pink:#ef476f;
  --yellow:#ffd166;
  --purple:#8338ec;
  --blue:#118ab2;
  --text:#e2e8f0;
  --dim:#475569;
  --card-radius:24px;
}

html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
  min-height:100vh;
}

/* ===== PARTICLES CANVAS ===== */
#particles{
  position:fixed;inset:0;z-index:0;pointer-events:none;
}

/* ===== HERO ===== */
.hero{
  position:relative;z-index:1;
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:2rem;
}

.terminal-window{
  position:relative;
  width:100%;max-width:720px;
  background:rgba(13,17,23,0.92);
  backdrop-filter:blur(20px);
  border-radius:var(--card-radius);
  border:1px solid rgba(255,255,255,0.06);
  overflow:hidden;
  animation:terminalIn 1.2s cubic-bezier(0.16,1,0.3,1) both;
}

.terminal-glow{
  position:absolute;inset:-1px;border-radius:var(--card-radius);z-index:-1;
  background:conic-gradient(from 180deg,var(--cyan),var(--purple),var(--pink),var(--yellow),var(--cyan));
  opacity:0.12;
  filter:blur(30px);
  animation:glowRotate 6s linear infinite;
}

@keyframes glowRotate{
  to{filter:blur(30px) hue-rotate(360deg)}
}

@keyframes terminalIn{
  from{opacity:0;transform:translateY(60px) scale(0.94)}
  to{opacity:1;transform:none}
}

.terminal-bar{
  display:flex;align-items:center;gap:8px;
  padding:16px 20px;
  background:rgba(22,27,34,0.8);
  border-bottom:1px solid rgba(255,255,255,0.04);
}

.dot{width:13px;height:13px;border-radius:50%;transition:transform 0.2s}
.dot:hover{transform:scale(1.3)}
.dot.red{background:#ff5f57}
.dot.yellow{background:#febc2e}
.dot.green{background:#28c840}

.terminal-title{
  margin-left:14px;
  font-family:'JetBrains Mono',monospace;font-size:0.82rem;
  color:var(--dim);
}

.terminal-body{
  padding:2.5rem 2rem 3rem;
  font-family:'JetBrains Mono',monospace;
  min-height:180px;
}

/* Typing */
.typing-line{font-size:1.1rem;margin-bottom:1.4rem;white-space:nowrap}
.prompt{color:var(--cyan)}
.typed-text{color:var(--yellow)}
.cursor{color:var(--cyan);animation:blink 0.7s step-end infinite;font-weight:600}

@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}

/* Output */
.output-line{
  font-size:1.6rem;margin-bottom:1rem;
  opacity:0;transform:translateY(16px);
  transition:all 0.7s cubic-bezier(0.16,1,0.3,1);
}
.output-line.visible{opacity:1;transform:none}

.greeting{color:var(--text);font-family:'Inter',sans-serif;font-weight:600}

.name-glow{
  font-family:'Inter',sans-serif;font-weight:900;font-size:2.8rem;
  background:linear-gradient(135deg,var(--cyan),var(--purple),var(--pink),var(--yellow));
  background-size:300% 300%;
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  animation:gradientShift 4s ease-in-out infinite,idleGlow 3s ease-in-out infinite;
  display:inline-block;
  letter-spacing:-1px;
}

.wave{
  display:inline-block;font-size:2rem;
  animation:wave 2s ease-in-out infinite;
  transform-origin:70% 70%;
}

@keyframes wave{0%,100%{transform:rotate(0)}25%{transform:rotate(20deg)}50%{transform:rotate(-10deg)}75%{transform:rotate(15deg)}}

@keyframes gradientShift{
  0%,100%{background-position:0% 50%}50%{background-position:100% 50%}
}

@keyframes idleGlow{
  0%,100%{filter:drop-shadow(0 0 12px rgba(6,214,160,0.4))}
  50%{filter:drop-shadow(0 0 32px rgba(131,56,236,0.7)) drop-shadow(0 0 60px rgba(239,71,111,0.3))}
}

/* Subtitle */
.subtitle{
  font-size:0.9rem;color:var(--dim);
  opacity:0;transform:translateY(12px);
  transition:all 0.7s ease 0.2s;
}
.subtitle.visible{opacity:1;transform:none}
.tag{color:var(--cyan);font-weight:600}
.tag-text{color:var(--text);margin:0 2px}
.sep{margin:0 14px;color:#334155}

/* ===== ABOUT SECTION ===== */
.about-section{
  position:relative;z-index:1;
  padding:6rem 2rem 8rem;
  max-width:1200px;margin:0 auto;
}

.section-title{
  text-align:center;font-size:2.2rem;font-weight:800;
  margin-bottom:4rem;letter-spacing:1px;
  opacity:0;transform:translateY(30px);
  transition:all 0.8s cubic-bezier(0.16,1,0.3,1);
}
.section-title.visible{opacity:1;transform:none}
.bracket{color:var(--cyan);font-weight:300;font-size:2.6rem}

/* ===== CARDS GRID ===== */
.cards-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
  gap:2.5rem;
  perspective:1200px;
}

/* ===== CARD ===== */
.card{
  position:relative;
  border-radius:var(--card-radius);
  min-height:420px;
  opacity:0;transform:translateY(60px);
  transition:opacity 0.8s ease,transform 0.8s cubic-bezier(0.16,1,0.3,1);
}
.card.visible{opacity:1;transform:none}

.card-3d{
  transform-style:preserve-3d;
  will-change:transform;
}

/* Shine / gradient follow cursor */
.card-shine{
  position:absolute;inset:0;
  border-radius:var(--card-radius);
  z-index:2;pointer-events:none;
  opacity:0;
  transition:opacity 0.4s ease;
  overflow:hidden;
}
.card-shine::before{
  content:'';position:absolute;
  width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,0.12),transparent 70%);
  transform:translate(-50%,-50%);
  top:var(--mx,50%);left:var(--my,50%);
  transition:none;
}
.card:hover .card-shine{opacity:1}

.card-inner{
  position:relative;z-index:3;
  padding:2.5rem 2rem;
  height:100%;
  background:var(--bg-card);
  backdrop-filter:blur(24px);
  border-radius:var(--card-radius);
  border:1px solid rgba(255,255,255,0.06);
  overflow:hidden;
  transition:border-color 0.4s ease,box-shadow 0.4s ease;
}

/* Glow behind card */
.card-glow{
  position:absolute;
  width:200px;height:200px;border-radius:50%;
  filter:blur(80px);
  opacity:0;
  transition:opacity 0.5s ease;
  z-index:0;
  pointer-events:none;
}

.card[data-interest="code"] .card-glow{background:var(--cyan);bottom:-40px;left:30%}
.card[data-interest="music"] .card-glow{background:var(--pink);bottom:-40px;right:20%}
.card[data-interest="me"] .card-glow{background:var(--purple);bottom:-40px;left:40%}

.card:hover .card-glow{opacity:0.15}

/* Card hover states */
.card:hover .card-inner{
  border-color:rgba(255,255,255,0.1);
  box-shadow:0 25px 80px rgba(0,0,0,0.5),0 0 40px rgba(6,214,160,0.06);
}
.card[data-interest="code"]:hover .card-inner{
  border-color:rgba(6,214,160,0.25);
  box-shadow:0 25px 80px rgba(0,0,0,0.5),0 0 60px rgba(6,214,160,0.1);
}
.card[data-interest="music"]:hover .card-inner{
  border-color:rgba(239,71,111,0.25);
  box-shadow:0 25px 80px rgba(0,0,0,0.5),0 0 60px rgba(239,71,111,0.1);
}
.card[data-interest="me"]:hover .card-inner{
  border-color:rgba(131,56,236,0.25);
  box-shadow:0 25px 80px rgba(0,0,0,0.5),0 0 60px rgba(131,56,236,0.1);
}

/* Icon box */
.card-icon-box{
  position:relative;width:64px;height:64px;
  border-radius:16px;display:flex;align-items:center;justify-content:center;
  margin-bottom:1.5rem;
  transition:transform 0.4s cubic-bezier(0.16,1,0.3,1);
}
.card:hover .card-icon-box{transform:scale(1.1) translateY(-4px)}

.icon-bg{
  position:absolute;inset:0;border-radius:16px;opacity:0.5;
  transition:opacity 0.4s ease,transform 0.4s ease;
}
.card:hover .icon-bg{opacity:1;transform:scale(1.1)}

.card[data-interest="code"] .icon-bg{background:linear-gradient(135deg,rgba(6,214,160,0.2),rgba(6,214,160,0.05))}
.card[data-interest="music"] .icon-bg{background:linear-gradient(135deg,rgba(239,71,111,0.2),rgba(239,71,111,0.05))}
.card[data-interest="me"] .icon-bg{background:linear-gradient(135deg,rgba(131,56,236,0.2),rgba(131,56,236,0.05))}

.card-svg-icon{
  position:relative;z-index:1;width:30px;height:30px;
}
.card[data-interest="code"] .card-svg-icon{color:var(--cyan)}
.card[data-interest="music"] .card-svg-icon{color:var(--pink)}
.card[data-interest="me"] .card-svg-icon{color:var(--purple)}

.card-title{
  font-size:1.4rem;font-weight:800;margin-bottom:0.6rem;
  letter-spacing:-0.5px;
  transition:color 0.3s;
}
.card[data-interest="code"]:hover .card-title{color:var(--cyan)}
.card[data-interest="music"]:hover .card-title{color:var(--pink)}
.card[data-interest="me"]:hover .card-title{color:var(--purple)}

.card-desc{
  color:var(--dim);font-size:0.92rem;line-height:1.7;
  margin-bottom:1.4rem;
  transition:color 0.3s;
}
.card:hover .card-desc{color:#94a3b8}

/* ===== CODE PREVIEW (card: code) ===== */
.code-preview{
  background:rgba(0,0,0,0.35);
  border-radius:12px;padding:14px 16px;
  margin-bottom:1.4rem;
  font-family:'JetBrains Mono',monospace;font-size:0.78rem;
  line-height:1.8;
  border:1px solid rgba(255,255,255,0.04);
  overflow:hidden;
  max-height:30px;
  transition:max-height 0.5s cubic-bezier(0.16,1,0.3,1),opacity 0.4s;
  opacity:0.5;
}
.card:hover .code-preview{max-height:160px;opacity:1}

.code-line{
  opacity:0;transform:translateX(-12px);
  transition:all 0.4s cubic-bezier(0.16,1,0.3,1);
  transition-delay:calc(var(--d) * 0.1s);
  white-space:nowrap;
}
.card:hover .code-line{opacity:1;transform:none}

.ln{color:#334155;user-select:none;margin-right:10px}
.kw{color:var(--pink)}
.fn{color:var(--yellow)}
.st{color:var(--cyan)}
.cmt{color:#334155}

/* ===== EQ BARS (card: music) ===== */
.eq-container{
  display:flex;align-items:flex-end;gap:4px;
  height:52px;padding:10px 0;
  margin-bottom:1.4rem;
  opacity:0.3;transform:scaleY(0.9);
  transform-origin:bottom;
  transition:all 0.5s cubic-bezier(0.16,1,0.3,1);
}
.card:hover .eq-container{opacity:1;transform:scaleY(1)}

.eq-bar{
  flex:1;
  background:linear-gradient(to top,var(--pink),var(--yellow));
  border-radius:4px 4px 2px 2px;
  min-height:4px;
  transition:height 0.15s ease;
}
.card:hover .eq-bar{
  animation:eqPulse 0.5s ease-in-out infinite alternate;
  animation-delay:calc(var(--i) * 0.06s);
}

@keyframes eqPulse{
  0%{height:6px;opacity:0.4}
  50%{height:calc(12px + var(--i) * 3px);opacity:0.8}
  100%{height:calc(20px + var(--i) * 2px);opacity:1}
}

/* ===== ORBIT (card: me) ===== */
.orbit-container{
  position:relative;width:100%;height:64px;
  margin-bottom:1.4rem;
  display:flex;align-items:center;justify-content:center;
}

.orbit-ring{
  position:absolute;
  width:120px;height:40px;
  border:2px dashed rgba(131,56,236,0.15);
  border-radius:50%;
  opacity:0;
  transform:rotateX(60deg);
  transition:all 0.5s cubic-bezier(0.16,1,0.3,1);
}
.card:hover .orbit-ring{opacity:1;transform:rotateX(60deg) scale(1)}

.orbit-dot{
  position:absolute;width:8px;height:8px;border-radius:50%;
  opacity:0;
  transition:opacity 0.4s ease;
}
.card:hover .orbit-dot{opacity:1}

.orbit-dot-1{background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:orbitMove1 2s ease-in-out infinite}
.orbit-dot-2{background:var(--pink);box-shadow:0 0 12px var(--pink);animation:orbitMove2 2.5s ease-in-out infinite}
.orbit-dot-3{background:var(--yellow);box-shadow:0 0 12px var(--yellow);animation:orbitMove3 3s ease-in-out infinite}

@keyframes orbitMove1{
  0%,100%{transform:translate(-50px,-8px)}
  50%{transform:translate(50px,8px)}
}
@keyframes orbitMove2{
  0%,100%{transform:translate(40px,-12px)}
  50%{transform:translate(-40px,12px)}
}
@keyframes orbitMove3{
  0%,100%{transform:translate(-20px,10px)}
  50%{transform:translate(20px,-10px)}
}

.orbit-center{
  font-size:1.8rem;position:relative;z-index:1;
  transition:transform 0.4s cubic-bezier(0.16,1,0.3,1);
}
.card:hover .orbit-center{transform:scale(1.2)}

/* Tags */
.card-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag-pill{
  padding:5px 14px;border-radius:20px;
  font-size:0.76rem;font-weight:600;letter-spacing:0.5px;
  transition:all 0.3s ease;
}
.tag-pill:hover{transform:translateY(-2px)}

.card[data-interest="code"] .tag-pill{background:rgba(6,214,160,0.1);color:var(--cyan);border:1px solid rgba(6,214,160,0.15)}
.card[data-interest="music"] .tag-pill{background:rgba(239,71,111,0.1);color:var(--pink);border:1px solid rgba(239,71,111,0.15)}
.card[data-interest="me"] .tag-pill{background:rgba(131,56,236,0.1);color:var(--purple);border:1px solid rgba(131,56,236,0.15)}

.card[data-interest="code"]:hover .tag-pill{background:rgba(6,214,160,0.18);border-color:rgba(6,214,160,0.3)}
.card[data-interest="music"]:hover .tag-pill{background:rgba(239,71,111,0.18);border-color:rgba(239,71,111,0.3)}
.card[data-interest="me"]:hover .tag-pill{background:rgba(131,56,236,0.18);border-color:rgba(131,56,236,0.3)}

/* ===== FOOTER ===== */
.footer{
  position:relative;z-index:1;text-align:center;padding:4rem 2rem;
}
.footer-line{
  width:100px;height:2px;margin:0 auto 2rem;
  background:linear-gradient(90deg,transparent,var(--cyan),var(--purple),transparent);
}
.footer-text{font-size:0.9rem;color:var(--dim)}
.dim{color:#334155}
.accent{color:var(--cyan);font-weight:600}

/* ===== RESPONSIVE ===== */
@media(max-width:700px){
  .terminal-body{padding:1.5rem}
  .typing-line{font-size:0.85rem}
  .output-line{font-size:1.2rem}
  .name-glow{font-size:1.8rem}
  .cards-grid{grid-template-columns:1fr}
  .section-title{font-size:1.6rem}
}