/* =============================================================
   PARSHANT KUMAR — Portfolio v3  |  Futuristic 3D Theme
   ============================================================= */

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

:root{
  --bg-0:#030810;--bg-1:#0a1020;--bg-2:#111a30;--bg-3:#182240;
  --text-0:#e8edf5;--text-1:#a0aec0;--text-2:#6b7a90;
  --cyan:#00d4ff;--purple:#7b2ff7;--green:#0efa8a;--pink:#f72585;--orange:#ff9500;
  --glass:rgba(255,255,255,0.04);--glass-border:rgba(0,212,255,0.12);
  --radius:14px;--radius-sm:8px;
  --font-head:'Outfit',sans-serif;--font-body:'Inter',sans-serif;--font-mono:'Fira Code',monospace;
  --nav-h:70px;
}

html{scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:var(--cyan) var(--bg-1)}
body{font-family:var(--font-body);background:var(--bg-0);color:var(--text-0);line-height:1.65;overflow-x:hidden}
a{color:inherit;text-decoration:none}
code{font-family:var(--font-mono);font-size:0.9em;color:var(--cyan)}
img,svg{display:block;max-width:100%}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

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

/* ---------- NAVBAR ---------- */
#navbar{position:fixed;top:0;left:0;right:0;z-index:100;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  background:rgba(3,8,16,0.6);border-bottom:1px solid transparent;transition:all .4s}
#navbar.scrolled{background:rgba(3,8,16,0.92);border-bottom-color:var(--glass-border);box-shadow:0 4px 30px rgba(0,0,0,.3)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:var(--nav-h)}
.nav-logo{display:flex;align-items:center;gap:10px}
.logo-hex{flex-shrink:0}
.logo-text{font-family:var(--font-head);font-weight:700;font-size:1.15rem;letter-spacing:-.3px}
.nav-menu{display:flex;list-style:none;gap:32px}
.nav-item{font-size:.9rem;font-weight:500;color:var(--text-1);transition:color .25s;position:relative}
.nav-item::after{content:'';position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--cyan);border-radius:2px;transition:width .3s}
.nav-item:hover,.nav-item.active{color:var(--cyan)}
.nav-item:hover::after,.nav-item.active::after{width:100%}
.nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.nav-burger span{width:24px;height:2px;background:var(--text-0);border-radius:2px;transition:all .3s}

/* ---------- HERO ---------- */
#hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;position:relative;z-index:1;
  padding:calc(var(--nav-h) + 40px) 0 40px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--glass);border:1px solid var(--glass-border);
  padding:6px 16px;border-radius:40px;font-size:.82rem;color:var(--cyan);margin-bottom:20px;backdrop-filter:blur(8px)}
.badge-dot{width:8px;height:8px;background:var(--green);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.7)}}
.hero-headline{font-family:var(--font-head);font-size:clamp(2.4rem,5vw,3.8rem);font-weight:800;line-height:1.1;margin-bottom:20px;letter-spacing:-1px}
.grad-text{background:linear-gradient(135deg,var(--cyan),var(--green));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.strike-text{position:relative;color:var(--text-2)}
.strike-text::after{content:'';position:absolute;left:-4px;right:-4px;top:50%;height:3px;background:var(--pink);transform:rotate(-3deg);border-radius:2px;animation:strikeIn 1.5s ease-out forwards;transform-origin:left}
@keyframes strikeIn{0%{width:0}100%{width:calc(100% + 8px)}}
.hero-sub{font-size:1.1rem;color:var(--text-1);max-width:520px;margin-bottom:32px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:10px;font-weight:600;font-size:.95rem;
  transition:all .3s;cursor:pointer;border:none;font-family:var(--font-body)}
.btn-primary{background:linear-gradient(135deg,var(--cyan),var(--purple));color:#fff;box-shadow:0 4px 24px rgba(0,212,255,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(0,212,255,.35)}
.btn-ghost{border:1px solid var(--glass-border);color:var(--text-0);background:var(--glass);backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}

/* Hero visual */
.comparison-scene{display:flex;align-items:center;gap:12px;perspective:800px}
.comp-side{flex:1;position:relative;background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius);
  padding:16px;backdrop-filter:blur(8px);transition:all 1s ease;transform-style:preserve-3d}
.comp-label{font-family:var(--font-mono);font-size:.7rem;color:var(--text-2);margin-bottom:8px;text-transform:uppercase;letter-spacing:1px}
.comp-svg{width:100%;height:auto}
.manual{opacity:.5;transform:rotateY(5deg)}
.manual .comp-label{color:var(--pink)}
.comp-strike{position:absolute;inset:0;border-radius:var(--radius);overflow:hidden}
.comp-strike::after{content:'';position:absolute;left:0;top:50%;width:100%;height:3px;background:var(--pink);transform:rotate(-8deg);opacity:.7}
.automated{border-color:rgba(0,212,255,.25);box-shadow:0 0 40px rgba(0,212,255,.08);transform:rotateY(-5deg) scale(1.02)}
.automated .comp-label{color:var(--cyan)}
.comp-divider{font-family:var(--font-mono);font-size:.75rem;color:var(--text-2);flex-shrink:0;writing-mode:vertical-lr}

/* Hero metrics */
.hero-metrics{display:flex;justify-content:center;gap:60px;padding:50px 24px 0;position:relative;z-index:1}
.metric{text-align:center}
.metric-val{font-family:var(--font-head);font-size:2.8rem;font-weight:800;background:linear-gradient(135deg,var(--cyan),var(--purple));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.metric-plus{font-family:var(--font-head);font-size:1.4rem;font-weight:700;color:var(--cyan)}
.metric-label{display:block;font-size:.82rem;color:var(--text-2);margin-top:4px}

/* ---------- SECTION COMMON ---------- */
section{position:relative;z-index:1;padding:100px 0}
.section-head{margin-bottom:60px}
.sec-num{font-family:var(--font-mono);font-size:.85rem;color:var(--cyan);display:block;margin-bottom:8px}
.sec-title{font-family:var(--font-head);font-size:clamp(2rem,4vw,3rem);font-weight:800;letter-spacing:-.5px;margin-bottom:8px}
.sec-sub{color:var(--text-2);font-size:1rem}

/* ---------- REVEAL ---------- */
.reveal-up{opacity:0;transform:translateY(40px);transition:opacity .8s ease,transform .8s ease}
.reveal-left{opacity:0;transform:translateX(-40px);transition:opacity .8s ease,transform .8s ease}
.reveal-right{opacity:0;transform:translateX(40px);transition:opacity .8s ease,transform .8s ease}
.revealed{opacity:1;transform:translate(0)}

/* ---------- ABOUT — FUTURISTIC SHOWCASE ---------- */

/* Intro Card (terminal + orbit) */
.about-showcase{margin-bottom:60px}
.about-intro-card{
  display:grid;grid-template-columns:1fr 1.3fr;gap:40px;align-items:center;
  background:linear-gradient(135deg,rgba(0,212,255,.04),rgba(123,47,247,.04));
  border:1px solid var(--glass-border);
  border-radius:20px;
  padding:40px;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  position:relative;overflow:hidden;
}
.about-intro-card::before{
  content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;
  background:conic-gradient(from 180deg,transparent,rgba(0,212,255,.06),transparent,rgba(123,47,247,.06),transparent);
  animation:cardRotate 12s linear infinite;
  pointer-events:none;
}
@keyframes cardRotate{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}

/* Orbiting graphic */
.orbit-graphic{
  position:relative;width:220px;height:220px;margin:0 auto;
}
.orbit-center{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  z-index:3;
  filter:drop-shadow(0 0 20px rgba(0,212,255,.3));
}
.orbit-ring{
  position:absolute;border-radius:50%;border:1px solid;
  top:50%;left:50%;transform:translate(-50%,-50%);
  animation:orbitSpin linear infinite;
}
.orbit-1{width:120px;height:120px;border-color:rgba(0,212,255,.15);animation-duration:8s}
.orbit-2{width:170px;height:170px;border-color:rgba(123,47,247,.12);animation-duration:12s;animation-direction:reverse}
.orbit-3{width:215px;height:215px;border-color:rgba(14,250,138,.08);animation-duration:18s}
@keyframes orbitSpin{0%{transform:translate(-50%,-50%) rotate(0deg)}100%{transform:translate(-50%,-50%) rotate(360deg)}}

.orbit-item{
  position:absolute;z-index:4;
  filter:drop-shadow(0 0 8px rgba(0,212,255,.25));
  animation:orbitFloat 3s ease-in-out infinite;
}
.orbit-item-1{top:0;left:50%;transform:translateX(-50%);animation-delay:0s}
.orbit-item-2{top:50%;right:0;transform:translateY(-50%);animation-delay:.75s}
.orbit-item-3{bottom:0;left:50%;transform:translateX(-50%);animation-delay:1.5s}
.orbit-item-4{top:50%;left:0;transform:translateY(-50%);animation-delay:2.25s}
@keyframes orbitFloat{0%,100%{transform:translateY(-50%) scale(1)}50%{transform:translateY(-55%) scale(1.1)}}
.orbit-item-1,.orbit-item-3{animation-name:orbitFloatX}
@keyframes orbitFloatX{0%,100%{transform:translateX(-50%) scale(1)}50%{transform:translateX(-50%) translateY(-6px) scale(1.1)}}

/* Terminal in intro */
/* Name display */
.about-name-display{margin-bottom:20px;position:relative;z-index:2}
.name-greeting{font-size:.9rem;color:var(--text-2);font-weight:400;letter-spacing:1px;text-transform:uppercase;display:block;margin-bottom:4px}
.name-glow{
  font-family:var(--font-head);font-size:2.4rem;font-weight:900;letter-spacing:-1px;line-height:1.1;
  background:linear-gradient(135deg,#fff 0%,var(--cyan) 40%,var(--purple) 80%,var(--green) 100%);
  background-size:200% 200%;
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  animation:nameShimmer 4s ease-in-out infinite;
  filter:drop-shadow(0 0 20px rgba(0,212,255,.2));
  margin-bottom:10px;
}
@keyframes nameShimmer{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.name-tagline{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.88rem;font-weight:500;color:var(--text-1);
  background:rgba(0,212,255,.06);border:1px solid rgba(0,212,255,.15);
  padding:6px 16px;border-radius:30px;
}
.tagline-icon{display:flex;flex-shrink:0}

.intro-terminal{
  background:#0a0e18;border:1px solid rgba(0,212,255,.15);border-radius:12px;overflow:hidden;
  font-family:var(--font-mono);font-size:.82rem;
  margin-bottom:20px;
  box-shadow:0 8px 40px rgba(0,0,0,.4),0 0 40px rgba(0,212,255,.05);
}
.intro-terminal .term-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;background:rgba(0,0,0,.4);border-bottom:1px solid rgba(255,255,255,.04)}
.intro-terminal .term-dot{width:10px;height:10px;border-radius:50%}
.intro-terminal .term-title{margin-left:auto;font-size:.7rem;color:var(--text-2)}
.intro-terminal .term-body{padding:16px;display:flex;flex-direction:column;gap:4px}
.intro-terminal .term-body code{display:block;color:var(--text-2);white-space:pre;line-height:1.7}
.intro-terminal .term-output{color:var(--text-1)}
.intro-terminal .term-prompt{color:var(--green)}
.hl-cyan{color:var(--cyan)}
.hl-green{color:var(--green)}
.hl-purple{color:#b794f4}
.hl-orange{color:var(--orange)}
.blink{animation:blinker 1.2s step-end infinite}
@keyframes blinker{50%{opacity:0}}

.intro-desc{color:var(--text-1);font-size:.95rem;line-height:1.7;position:relative;z-index:2}

/* Approach section */
.approach-heading{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-head);font-size:1.2rem;font-weight:600;color:var(--text-0);
  margin-bottom:28px;
}

/* Timeline approach steps */
.approach-timeline{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  position:relative;
}
.approach-timeline::before{
  content:'';position:absolute;
  top:22px;left:22px;right:22px;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--purple),#2496ED,var(--green));
  opacity:0.2;border-radius:1px;
}

.approach-step{
  position:relative;text-align:center;padding:0 12px;
  background:none;border:none;border-radius:0;overflow:visible;
  transition:transform .3s;cursor:pointer;
}
.approach-step:hover{transform:translateY(-4px)}

.step-icon{
  width:44px;height:44px;margin:0 auto 14px;
  position:relative;z-index:2;
  transition:transform .4s,filter .4s;
}
.approach-step:hover .step-icon{transform:scale(1.15);filter:drop-shadow(0 0 12px rgba(0,212,255,.4))}
.approach-step.open .step-icon{transform:scale(1.2);filter:drop-shadow(0 0 16px rgba(0,212,255,.5))}

.step-connector{
  position:absolute;top:22px;left:calc(50% + 22px);right:-50%;
  height:2px;
  background:linear-gradient(90deg,rgba(0,212,255,.3),rgba(123,47,247,.2));
  z-index:1;
}
.approach-step:last-child .step-connector{display:none}

.approach-step .step-head{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:12px 8px;cursor:pointer;user-select:none;
}
.approach-step .step-num{font-family:var(--font-mono);font-size:.72rem;color:var(--cyan);font-weight:500}
.approach-step .step-title{font-weight:600;font-size:.88rem;color:var(--text-0);text-align:center}
.approach-step .step-toggle{
  font-family:var(--font-mono);font-size:.7rem;color:var(--text-2);
  width:22px;height:22px;border-radius:50%;
  border:1px solid var(--glass-border);display:flex;align-items:center;justify-content:center;
  transition:all .3s;margin-top:6px;
}
.approach-step.open .step-toggle{background:var(--cyan);color:var(--bg-0);border-color:var(--cyan);transform:rotate(45deg)}

.approach-step .step-body{
  max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease,opacity .3s;padding:0 4px;opacity:0;
}
.approach-step.open .step-body{max-height:200px;padding:8px 4px 0;opacity:1}
.approach-step .step-body p{
  color:var(--text-1);font-size:.82rem;line-height:1.6;text-align:center;
  background:var(--glass);border:1px solid var(--glass-border);border-radius:10px;padding:14px;
  backdrop-filter:blur(8px);
}

/* ============================================================
   TECH STACK — 3D FLOATING CARDS
   ============================================================ */
.stack-scene{perspective:1500px}

.stack-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}

.stack-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:20px;
  padding:36px 20px 28px;
  text-align:center;
  transform-style:preserve-3d;
  transition:transform .5s cubic-bezier(.23,1,.32,1),box-shadow .5s,border-color .3s;
  cursor:default;
  overflow:visible;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}

.stack-card:hover{
  border-color:rgba(0,212,255,.35);
  box-shadow:
    0 20px 60px rgba(0,212,255,.12),
    0 0 80px rgba(0,212,255,.06),
    inset 0 1px 0 rgba(255,255,255,.06);
}

.card-glow{
  position:absolute;inset:-30%;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,212,255,.08),transparent 70%);
  opacity:0;transition:opacity .5s;pointer-events:none;z-index:-1;
}
.stack-card:hover .card-glow{opacity:1}

.card-icon{
  width:80px;height:80px;margin:0 auto 18px;
  transform:translateZ(40px);
  transition:transform .5s cubic-bezier(.23,1,.32,1);
  filter:drop-shadow(0 8px 20px rgba(0,212,255,.15));
}
.stack-card:hover .card-icon{transform:translateZ(60px) scale(1.08)}

.card-name{
  font-family:var(--font-head);font-size:1.15rem;font-weight:700;margin-bottom:4px;
  transform:translateZ(20px);transition:transform .5s cubic-bezier(.23,1,.32,1);
}
.stack-card:hover .card-name{transform:translateZ(35px)}

.card-tag{
  font-family:var(--font-mono);font-size:.72rem;color:var(--text-2);text-transform:uppercase;letter-spacing:1px;
  transform:translateZ(15px);display:block;margin-bottom:10px;
}

.card-details{
  font-size:.78rem;color:var(--text-2);line-height:1.6;
  max-height:0;overflow:hidden;opacity:0;
  transition:max-height .4s,opacity .4s,margin .4s;
  transform:translateZ(10px);
}
.stack-card:hover .card-details{max-height:80px;opacity:1;margin-top:8px}

/* ============================================================
   PIPELINE — FUTURISTIC COMMAND CENTER
   ============================================================ */
.pipeline-scene{perspective:1200px}

.pipeline-track{
  display:flex;align-items:flex-start;justify-content:space-between;
  position:relative;
  padding:40px 0 60px;
  transform:rotateX(2deg);transform-style:preserve-3d;
}

/* Connector line */
.pipe-connector{
  position:absolute;
  top:50px;left:40px;right:40px;
  height:3px;
  background:rgba(0,212,255,.08);
  border-radius:2px;
  z-index:1;overflow:hidden;
}
.pipe-progress{
  position:absolute;top:0;left:0;
  width:0;height:100%;
  background:linear-gradient(90deg,var(--cyan),var(--purple));
  border-radius:2px;
  transition:width .6s cubic-bezier(.4,0,.2,1);
  box-shadow:0 0 12px var(--cyan);
}

/* Flowing data particles */
.data-flow{
  position:absolute;top:-2px;left:-60px;
  width:60px;height:7px;
  background:linear-gradient(90deg,transparent,rgba(0,212,255,.6),transparent);
  border-radius:4px;
  animation:flowData 3s linear infinite;
  filter:blur(1px);
}
.data-flow.delay{animation-delay:1.5s}
@keyframes flowData{0%{left:-60px}100%{left:calc(100% + 60px)}}

/* Stage nodes */
.pipe-node{
  position:relative;z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  cursor:pointer;
  flex:1;
  transition:transform .3s;
}
.pipe-node:hover{transform:translateY(-4px)}

.node-ring{
  width:70px;height:70px;
  border-radius:50%;
  border:2px solid rgba(0,212,255,.2);
  display:flex;align-items:center;justify-content:center;
  background:rgba(3,8,16,.85);
  backdrop-filter:blur(8px);
  transition:all .4s ease;
  position:relative;
}
.node-svg{width:34px;height:34px;color:var(--text-2);transition:color .3s}
.pipe-node.active .node-ring{
  border-color:var(--cyan);
  box-shadow:0 0 25px rgba(0,212,255,.3),0 0 60px rgba(0,212,255,.08);
  background:rgba(0,212,255,.08);
}
.pipe-node.active .node-svg{color:var(--cyan)}

.node-pulse{
  position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:70px;height:70px;border-radius:50%;
  border:2px solid var(--cyan);
  opacity:0;pointer-events:none;
}
.pipe-node.active .node-pulse{animation:ringPulse 2s ease-out infinite}
@keyframes ringPulse{0%{opacity:.5;transform:translateX(-50%) scale(1)}100%{opacity:0;transform:translateX(-50%) scale(1.6)}}

.node-label{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:1.5px;
  color:var(--text-2);text-transform:uppercase;
  transition:color .3s;
}
.pipe-node.active .node-label{color:var(--cyan)}

/* Pipeline panels */
.pipeline-panels{transform:rotateX(2deg);transform-style:preserve-3d;margin-top:10px}

.stage-panel{
  display:none;opacity:0;
  transform:translateY(20px) translateZ(-10px);
  transition:opacity .5s,transform .5s;
}
.stage-panel.visible{display:block;opacity:1;transform:translateY(0) translateZ(0)}

.panel-glass{
  display:grid;grid-template-columns:1fr 1fr;gap:30px;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:32px;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:0 8px 40px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.04);
  position:relative;overflow:hidden;
}
/* Scan line effect */
.panel-glass::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 0%,rgba(0,212,255,.03) 50%,transparent 100%);
  height:60px;
  animation:scanLine 4s linear infinite;
  pointer-events:none;
}
@keyframes scanLine{0%{top:-60px}100%{top:100%}}

.panel-info h3{font-family:var(--font-head);font-size:1.3rem;font-weight:700;margin-bottom:10px;
  background:linear-gradient(135deg,var(--cyan),var(--text-0));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.panel-info p{color:var(--text-1);font-size:.95rem;margin-bottom:16px}
.panel-info strong{color:var(--text-0)}
.panel-features{list-style:none;display:flex;flex-direction:column;gap:8px}
.panel-features li{color:var(--text-1);font-size:.88rem;padding-left:22px;position:relative}
.panel-features li::before{content:'✓';position:absolute;left:0;color:var(--green);font-weight:700}

/* Terminal in panel */
.panel-terminal{
  background:#0c1117;border:1px solid rgba(0,212,255,.1);border-radius:10px;overflow:hidden;
  font-family:var(--font-mono);font-size:.8rem;
}
.term-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;background:rgba(0,0,0,.3);border-bottom:1px solid rgba(255,255,255,.05)}
.term-dot{width:10px;height:10px;border-radius:50%}
.term-title{margin-left:auto;font-size:.7rem;color:var(--text-2)}
.term-body{padding:14px;display:flex;flex-direction:column;gap:6px}
.term-body code{display:block;color:var(--text-1);white-space:pre}
.term-body .term-output{color:var(--green);opacity:.85}

/* ============================================================
   PROJECTS — FUTURISTIC EXPANDABLE
   ============================================================ */
.projects-list{display:flex;flex-direction:column;gap:16px}

.proj-card{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:border-color .3s,box-shadow .3s;
  backdrop-filter:blur(8px);
}
.proj-card:hover,.proj-card.open{border-color:rgba(0,212,255,.25)}
.proj-card.featured{border-color:rgba(0,212,255,.2);box-shadow:0 0 40px rgba(0,212,255,.05)}

.proj-summary{display:flex;align-items:center;gap:18px;padding:22px 26px;cursor:pointer;user-select:none}
.proj-icon{width:44px;height:44px;flex-shrink:0;background:rgba(0,212,255,.06);border-radius:12px;padding:6px;
  display:flex;align-items:center;justify-content:center}
.proj-icon svg{width:30px;height:30px}
.proj-info{flex:1}
.proj-cat{font-family:var(--font-mono);font-size:.68rem;color:var(--text-2);text-transform:uppercase;letter-spacing:1.5px}
.proj-info h3{font-family:var(--font-head);font-size:1.1rem;font-weight:700;margin:2px 0 4px}
.proj-info p{color:var(--text-1);font-size:.88rem}
.proj-chevron{color:var(--text-2);transition:transform .3s;flex-shrink:0}
.proj-card.open .proj-chevron{transform:rotate(180deg);color:var(--cyan)}

.proj-detail{
  max-height:0;overflow:hidden;
  transition:max-height .5s cubic-bezier(.4,0,.2,1),padding .3s;
  padding:0 26px;
}
.proj-card.open .proj-detail{max-height:800px;padding:0 26px 28px}

/* Architecture flow inside project */
.proj-arch{margin-bottom:24px}
.arch-flow{display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:wrap;padding:20px;
  background:rgba(0,0,0,.2);border-radius:var(--radius-sm);border:1px solid rgba(0,212,255,.06)}
.arch-node{
  padding:10px 20px;border-radius:8px;font-family:var(--font-mono);font-size:.82rem;font-weight:500;
  border:1.5px dashed;text-align:center;
  transition:all .3s;
}
.arch-node.git{color:var(--cyan);border-color:var(--cyan)}
.arch-node.ci{color:var(--text-1);border-color:var(--text-2)}
.arch-node.docker{color:#2496ED;border-color:#2496ED}
.arch-node.terraform{color:#844FBA;border-color:#844FBA}
.arch-node.live{color:var(--green);border-color:var(--green);border-style:solid;box-shadow:0 0 15px rgba(14,250,138,.15)}
.arch-arrow{width:40px;height:2px;background:repeating-linear-gradient(90deg,var(--text-2) 0,var(--text-2) 6px,transparent 6px,transparent 10px);opacity:.4}

/* Project metadata */
.proj-meta{display:grid;grid-template-columns:1fr 1fr;gap:12px 30px;margin-bottom:18px}
.meta-item{display:flex;flex-direction:column;gap:2px}
.meta-label{font-family:var(--font-mono);font-size:.68rem;color:var(--text-2);text-transform:uppercase;letter-spacing:1px}
.meta-val{font-size:.9rem;color:var(--text-1)}

.proj-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.badge{font-size:.75rem;padding:5px 14px;border-radius:20px;border:1px solid rgba(14,250,138,.2);color:var(--green);
  background:rgba(14,250,138,.04)}
.badge::before{content:'✓ ';font-weight:700}

.proj-link,.proj-links-row a{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.88rem;color:var(--cyan);font-weight:500;
  padding:8px 0;transition:gap .3s,color .3s;
}
.proj-link:hover,.proj-links-row a:hover{gap:10px;color:var(--green)}
.proj-links-row{display:flex;gap:24px;flex-wrap:wrap}

/* ============================================================
   PHILOSOPHY
   ============================================================ */
.phil-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.phil-card{
  background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius);
  padding:28px 22px;
  transform-style:preserve-3d;
  transition:transform .5s cubic-bezier(.23,1,.32,1),box-shadow .5s,border-color .3s;
  cursor:default;
  backdrop-filter:blur(8px);
}
.phil-card:hover{border-color:rgba(0,212,255,.25);box-shadow:0 15px 40px rgba(0,0,0,.3)}
.phil-icon{width:48px;height:48px;margin-bottom:16px;transform:translateZ(30px);
  filter:drop-shadow(0 4px 10px rgba(0,212,255,.15))}
.phil-card h3{font-family:var(--font-head);font-size:1.05rem;font-weight:700;margin-bottom:8px;transform:translateZ(20px)}
.phil-card p{color:var(--text-1);font-size:.88rem;transform:translateZ(10px)}

/* ============================================================
   CONNECT
   ============================================================ */
.connect-grid{display:flex;justify-content:center;gap:24px;flex-wrap:wrap}
.connect-tile{
  display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:32px 40px;
  background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--radius);
  transform-style:preserve-3d;
  transition:transform .5s cubic-bezier(.23,1,.32,1),box-shadow .4s,border-color .3s;
  backdrop-filter:blur(8px);
}
.connect-tile:hover{border-color:rgba(0,212,255,.3);box-shadow:0 15px 50px rgba(0,0,0,.3)}
.tile-label{font-weight:600;font-size:.92rem;transform:translateZ(15px)}

/* ============================================================
   FOOTER
   ============================================================ */
#footer{position:relative;z-index:1;padding:30px 0;border-top:1px solid var(--glass-border);text-align:center}
#footer p{color:var(--text-2);font-size:.85rem}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero-sub{margin-left:auto;margin-right:auto}
  .hero-cta{justify-content:center}
  .hero-visual{display:none}
  .about-intro-card{grid-template-columns:1fr}
  .orbit-graphic{width:180px;height:180px}
  .approach-timeline{grid-template-columns:repeat(2,1fr);gap:16px}
  .approach-timeline::before{display:none}
  .step-connector{display:none}
  .stack-grid{grid-template-columns:repeat(3,1fr)}
  .phil-grid{grid-template-columns:repeat(2,1fr)}
  .panel-glass{grid-template-columns:1fr}
}

@media(max-width:768px){
  .nav-burger{display:flex}
  .nav-menu{
    position:fixed;top:0;right:-100%;width:280px;height:100vh;
    flex-direction:column;gap:0;padding:calc(var(--nav-h) + 20px) 30px 30px;
    background:rgba(3,8,16,.96);backdrop-filter:blur(20px);
    border-left:1px solid var(--glass-border);
    transition:right .35s cubic-bezier(.4,0,.2,1);
  }
  .nav-menu.open{right:0}
  .nav-menu .nav-item{padding:14px 0;font-size:1.05rem;border-bottom:1px solid rgba(255,255,255,.04)}
  .nav-burger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
  .nav-burger.open span:nth-child(2){opacity:0}
  .nav-burger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
  .hero-metrics{gap:30px}
  .stack-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .approach-timeline{grid-template-columns:1fr 1fr}
  .about-intro-card{padding:24px}
  .orbit-graphic{width:150px;height:150px}
  .pipeline-track{overflow-x:auto;gap:10px;padding-bottom:20px;-webkit-overflow-scrolling:touch;transform:none}
  .pipe-node{min-width:70px}
  .phil-grid{grid-template-columns:1fr 1fr}
  .proj-meta{grid-template-columns:1fr}
  .arch-flow{flex-wrap:wrap;gap:8px}
  .arch-arrow{width:20px}
}

@media(max-width:480px){
  .approach-timeline{grid-template-columns:1fr}
  .intro-left{display:none}
  .about-intro-card{grid-template-columns:1fr}
  .stack-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stack-card{padding:24px 16px 20px}
  .card-icon{width:60px;height:60px}
  .hero-metrics{flex-direction:column;gap:20px;align-items:center}
  .phil-grid{grid-template-columns:1fr}
  .connect-grid{flex-direction:column;align-items:center}
  .section-head{margin-bottom:40px}
  section{padding:60px 0}
  .panel-glass{padding:20px}
}