/* ============================================================
   Deepak Kumar Maurya — Portfolio
   Theme: Sea-green / black, blackhole hero, custom cursor motion
   ============================================================ */

:root{
  --bg: #060a09;
  --bg-alt: #0a1512;
  --sea: #0a2e28;
  --sea-2: #0e3d34;
  --emerald: #22e5a8;
  --emerald-2: #3ff5be;
  --emerald-dim: #1a9c76;
  --ink: #eaf5f1;
  --ink-dim: #b9cdc6;
  --muted: #7fa89a;
  --line: rgba(127,168,154,0.18);
  --mono: 'JetBrains Mono', monospace;
  --display: 'Space Grotesk', sans-serif;
  --body: 'Inter', sans-serif;
  --maxw: 1140px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background-color:var(--bg);
  color:var(--ink);
  font-family:var(--body);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
::selection{background:var(--emerald);color:#04120e;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}

@media (pointer:fine){
  body.cursor-ready, body.cursor-ready a, body.cursor-ready button{cursor:none;}
}

/* Full-page cosmic background (Three.js canvas) sits behind everything,
   fixed so it reads as "the background" rather than a hero decoration */
#cosmic-bg{
  position:fixed;inset:0;z-index:-2;width:100%;height:100%;
}

/* faint grain over the animation for texture, not to obscure it */
body::before{
  content:"";
  position:fixed;inset:0;
  background-image:url('../images/noise.png');
  background-size:220px 220px;
  opacity:0.05;
  pointer-events:none;
  z-index:-1;
  mix-blend-mode:overlay;
}

/* subtle grid, sits above the noise but still behind content panels */
body::after{
  content:"";
  position:fixed;inset:0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity:0.16;
  pointer-events:none;
  z-index:-1;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 90%);
}

/* ---------- CUSTOM CURSOR ---------- */
#cursor-dot, #cursor-ring{
  position:fixed;top:0;left:0;pointer-events:none;z-index:9999;
  transform:translate(-50%,-50%);
  will-change:transform;
}
#cursor-dot{
  width:6px;height:6px;border-radius:50%;background:var(--emerald-2);
  box-shadow:0 0 8px 2px rgba(34,229,168,0.7);
}
#cursor-ring{
  width:32px;height:32px;border-radius:50%;
  border:1.5px solid var(--emerald-dim);
  transition:width .25s ease, height .25s ease, border-color .25s ease, opacity .25s ease;
  opacity:0.8;
}
#cursor-ring.select{
  width:40px;height:40px;
  border:2px solid transparent;
  border-top-color:var(--emerald-2);
  border-right-color:var(--emerald-2);
  background:conic-gradient(from 0deg, rgba(34,229,168,0.25), transparent 70%);
  animation:cursor-spin 0.85s linear infinite;
  opacity:1;
}
@keyframes cursor-spin{to{transform:translate(-50%,-50%) rotate(360deg);}}
#cursor-dot.select{transform:translate(-50%,-50%) scale(0.4);}

/* comet: a single soft streak that stretches with pointer speed and
   relaxes back to a small glow when idle — no residue left behind */
#cursor-comet{
  position:fixed;top:0;left:0;pointer-events:none;z-index:9997;
  width:26px;height:8px;border-radius:999px;
  background:linear-gradient(90deg, rgba(34,229,168,0) 0%, rgba(63,245,190,0.9) 100%);
  filter:blur(2px);
  will-change:transform,opacity;
  transition:opacity .15s ease-out;
}

@media (pointer:coarse){
  #cursor-dot, #cursor-ring, #cursor-comet{display:none;}
}

/* ---------- NAV ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  backdrop-filter: blur(10px);
  background:rgba(6,10,9,0.72);
  border-bottom:1px solid var(--line);
  transition:border-color .3s ease;
}
nav{
  max-width:var(--maxw);margin:0 auto;padding:18px 32px;
  display:flex;align-items:center;justify-content:space-between;
}
.logo{
  font-family:var(--mono);font-size:14px;letter-spacing:0.02em;color:var(--emerald);
  display:flex;align-items:center;gap:8px;
}
.logo .dot{width:7px;height:7px;border-radius:50%;background:var(--emerald);box-shadow:0 0 10px var(--emerald);animation:pulse 2.4s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:0.35;}}
.navlinks{display:flex;gap:30px;font-family:var(--mono);font-size:13px;color:var(--ink-dim);}
.navlinks a{position:relative;padding:4px 0;transition:color .25s;}
.navlinks a:hover, .navlinks a:focus-visible{color:var(--emerald);}
.navlinks a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--emerald);
  transition:width .3s ease;
}
.navlinks a:hover::after{width:100%;}
.navtoggle{display:none;background:none;border:1px solid var(--line);color:var(--ink);width:38px;height:38px;border-radius:6px;font-family:var(--mono);cursor:pointer;}

/* ---------- HERO ---------- */
#hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding-top:80px;overflow:hidden;
}
.hero-inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:0 32px;width:100%;}
.eyebrow{
  font-family:var(--mono);font-size:12.5px;color:var(--emerald);letter-spacing:0.08em;
  display:flex;align-items:center;gap:10px;margin-bottom:22px;
}
.eyebrow .req{color:var(--muted);}
.eyebrow .status{padding:2px 8px;border:1px solid var(--emerald-dim);border-radius:4px;color:var(--emerald);font-size:11px;}
h1.hero-title{
  font-family:var(--display);font-weight:700;
  font-size:clamp(2.4rem, 6.2vw, 5rem);line-height:1.03;letter-spacing:-0.02em;max-width:900px;
  text-shadow:0 0 40px rgba(0,0,0,0.6);
}
h1.hero-title .accent{color:var(--emerald);}
.hero-sub{margin-top:24px;max-width:600px;font-size:1.05rem;color:var(--ink-dim);}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px 28px;margin-top:34px;font-family:var(--mono);font-size:13px;color:var(--muted);}
.hero-meta span{display:flex;align-items:center;gap:8px;}
.hero-meta span::before{content:"▹";color:var(--emerald-dim);}
.hero-cta{display:flex;gap:16px;margin-top:40px;flex-wrap:wrap;}
.btn{
  font-family:var(--mono);font-size:13px;padding:13px 24px;border-radius:6px;
  display:inline-flex;align-items:center;gap:10px;transition:all .25s ease;border:1px solid transparent;
}
.btn-primary{background:var(--emerald);color:#04120e;font-weight:600;}
.btn-primary:hover{background:var(--emerald-2);transform:translateY(-2px);box-shadow:0 8px 24px rgba(34,229,168,0.25);}
.btn-ghost{border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--emerald-dim);color:var(--emerald);transform:translateY(-2px);}
.scroll-cue{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:2;
  font-family:var(--mono);font-size:11px;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:8px;
}
.scroll-cue .line{width:1px;height:34px;background:linear-gradient(var(--emerald), transparent);animation:scrolldown 1.8s ease-in-out infinite;}
@keyframes scrolldown{0%{transform:scaleY(0);transform-origin:top;}50%{transform:scaleY(1);transform-origin:top;}51%{transform-origin:bottom;}100%{transform:scaleY(0);transform-origin:bottom;}}

/* ---------- SECTION SHELL ---------- */
/* A soft dark wash keeps text readable over the moving cosmic background
   while still letting it show through at the edges and between panels. */
section{
  position:relative;z-index:1;padding:120px 0;border-bottom:1px solid var(--line);
  background:rgba(6,10,9,0.42);
}
#hero{background:transparent;} /* let the chosen scene read at full strength in the hero */
.sec-head{display:flex;align-items:baseline;gap:16px;margin-bottom:56px;flex-wrap:wrap;}
.sec-endpoint{
  font-family:var(--mono);font-size:13px;color:var(--emerald);
  padding:6px 12px;border:1px solid var(--emerald-dim);border-radius:5px;background:rgba(34,229,168,0.05);
}
.sec-endpoint .verb{color:var(--muted);margin-right:8px;}
.sec-title{font-family:var(--display);font-weight:600;font-size:clamp(1.7rem,3.4vw,2.6rem);letter-spacing:-0.01em;}
.sec-note{font-family:var(--mono);font-size:12px;color:var(--muted);margin-left:auto;}

.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1);}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------- ABOUT ---------- */
#about .about-grid{display:grid;grid-template-columns:1.3fr 0.9fr;gap:60px;align-items:start;}
#about p{color:var(--ink-dim);font-size:1.02rem;margin-bottom:16px;max-width:60ch;}
#about p strong{color:var(--ink);font-weight:600;}
.stat-panel{border:1px solid var(--line);border-radius:10px;padding:26px;background:linear-gradient(180deg, rgba(34,229,168,0.04), transparent);}
.stat-row{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:13px;}
.stat-row:last-child{border-bottom:none;}
.stat-row .k{color:var(--muted);}
.stat-row .v{color:var(--emerald);font-weight:600;}

/* ---------- SKILLS ---------- */
.skill-groups{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:2px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden;}
.skill-card{background:var(--bg-alt);padding:26px;}
.skill-card h3{font-family:var(--mono);font-size:12px;color:var(--emerald);text-transform:uppercase;letter-spacing:0.08em;margin-bottom:16px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-family:var(--mono);font-size:12px;color:var(--ink-dim);border:1px solid var(--line);padding:6px 10px;border-radius:5px;
  transition:all .2s ease;cursor:default;
}
.tag:hover{border-color:var(--emerald-dim);color:var(--emerald);transform:translateY(-2px);}

/* ---------- EXPERIENCE ---------- */
.timeline{position:relative;border-left:1px solid var(--line);margin-left:8px;}
.job{position:relative;padding:0 0 56px 40px;}
.job:last-child{padding-bottom:0;}
.job::before{
  content:"";position:absolute;left:-6px;top:4px;width:11px;height:11px;border-radius:50%;
  background:var(--bg);border:2px solid var(--emerald-dim);
}
.job.current::before{background:var(--emerald);box-shadow:0 0 0 4px rgba(34,229,168,0.15);}
.job-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 16px;margin-bottom:6px;}
.job-role{font-family:var(--display);font-weight:600;font-size:1.25rem;}
.job-org{color:var(--emerald);font-weight:500;}
.job-time{font-family:var(--mono);font-size:12px;color:var(--muted);margin-left:auto;}
.job-desc{color:var(--muted);font-size:0.92rem;margin-bottom:14px;font-style:italic;}
.job ul{list-style:none;display:flex;flex-direction:column;gap:9px;}
.job li{position:relative;padding-left:20px;color:var(--ink-dim);font-size:0.94rem;}
.job li::before{content:"→";position:absolute;left:0;color:var(--emerald-dim);}

/* ---------- PROJECTS ---------- */
.proj-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px;}
.proj-card{
  border:1px solid var(--line);border-radius:12px;padding:28px;background:var(--bg-alt);
  transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;position:relative;overflow:hidden;
}
.proj-card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg, transparent, var(--emerald), transparent);
  transform:scaleX(0);transition:transform .4s ease;
}
.proj-card:hover{transform:translateY(-6px);border-color:var(--emerald-dim);box-shadow:0 16px 40px rgba(0,0,0,0.4);}
.proj-card:hover::after{transform:scaleX(1);}
.proj-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:14px;}
.proj-name{font-family:var(--display);font-weight:600;font-size:1.15rem;}
.proj-tag{font-family:var(--mono);font-size:10.5px;color:var(--emerald);border:1px solid var(--emerald-dim);padding:3px 8px;border-radius:4px;white-space:nowrap;}
.proj-desc{color:var(--ink-dim);font-size:0.9rem;margin-bottom:16px;}
.proj-stack{display:flex;flex-wrap:wrap;gap:6px;font-family:var(--mono);font-size:11px;color:var(--muted);}
.proj-stack span{border:1px solid var(--line);padding:3px 8px;border-radius:4px;}

/* ---------- EDUCATION ---------- */
.edu-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;}
.edu-card{border:1px solid var(--line);border-radius:10px;padding:24px;}
.edu-card .deg{font-family:var(--display);font-weight:600;font-size:1.05rem;margin-bottom:6px;}
.edu-card .inst{color:var(--muted);font-size:0.88rem;font-family:var(--mono);}
.edu-card .yr{color:var(--emerald);font-family:var(--mono);font-size:12px;margin-top:10px;display:inline-block;}

/* ---------- CONTACT ---------- */
#contact{border-bottom:none;padding-bottom:80px;}
.contact-panel{
  border:1px solid var(--line);border-radius:14px;padding:52px;position:relative;overflow:hidden;
  background:radial-gradient(ellipse 60% 100% at 50% 0%, rgba(34,229,168,0.06), transparent);
}
.contact-panel h2{font-family:var(--display);font-size:clamp(1.6rem,4vw,2.4rem);font-weight:700;margin-bottom:16px;max-width:16ch;}
.contact-panel p{color:var(--ink-dim);max-width:52ch;margin-bottom:32px;}
.contact-links{display:flex;flex-wrap:wrap;gap:14px;}
.contact-links a{
  font-family:var(--mono);font-size:13px;border:1px solid var(--line);padding:12px 20px;border-radius:7px;
  display:flex;align-items:center;gap:10px;transition:all .25s ease;
}
.contact-links a:hover{border-color:var(--emerald);color:var(--emerald);transform:translateY(-2px);}
footer{text-align:center;padding:28px 0;font-family:var(--mono);font-size:11.5px;color:var(--muted);}

@media (max-width:820px){
  .navlinks{position:fixed;top:66px;left:0;right:0;background:var(--bg);flex-direction:column;padding:20px 28px;gap:18px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .3s ease;}
  .navlinks.open{transform:translateY(0);}
  .navtoggle{display:block;}
  #about .about-grid{grid-template-columns:1fr;}
  .sec-note{margin-left:0;}
}
@media (max-width:480px){
  .wrap, nav, .hero-inner{padding-left:20px;padding-right:20px;}
  section{padding:80px 0;}
  .contact-panel{padding:30px;}
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important;animation-iteration-count:1 !important;transition-duration:0.001ms !important;}
  html{scroll-behavior:auto;}
  #cursor-dot, #cursor-ring, #motion-trail-canvas{display:none;}
  body.cursor-ready, body.cursor-ready a, body.cursor-ready button{cursor:auto;}
}