/* =================================================================
   EKLAKH DEWAN — PORTFOLIO DESIGN SYSTEM
   Concept: an ML inference trace — data resolving into output.
   ================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  /* ---- color tokens ---- */
  --ink:        #0B0E14;
  --surface:    #11151F;
  --card:       #161B27;
  --card-hi:    #1C2230;
  --paper:      #EDEFF3;
  --paper-dim:  #C7CCDA;
  --muted:      #7C8699;
  --signal:     #5B8DEF;
  --signal-dim: rgba(91,141,239,0.14);
  --amber:      #F2A65A;
  --amber-dim:  rgba(242,166,90,0.14);
  --line:       rgba(237,239,243,0.08);
  --line-strong:rgba(237,239,243,0.16);

  /* ---- type ---- */
  --display: 'Space Grotesk', sans-serif;
  --body:    'Inter', sans-serif;
  --mono:    'JetBrains Mono', monospace;

  --radius: 10px;
  --max-w: 1180px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--body);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* faint pipeline grid backdrop */
body::before{
  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;
  mask-image:radial-gradient(ellipse 80% 50% at 50% 0%, black 0%, transparent 70%);
  pointer-events:none;
  z-index:0;
  opacity:0.5;
}

a{color:inherit;text-decoration:none}
ul{list-style:none}
img{max-width:100%;display:block}
section{position:relative;z-index:1}

::selection{background:var(--signal-dim);color:var(--paper)}

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:3px;
  border-radius:4px;
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important}
}

/* =================== LAYOUT SHELLS =================== */
.wrap{max-width:var(--max-w); margin:0 auto; padding:0 32px}
.stage{padding:120px 0}
.stage--tight{padding:80px 0}

.stage-label{
  display:flex; align-items:center; gap:14px;
  font-family:var(--mono); font-size:0.78rem; letter-spacing:0.08em;
  color:var(--signal); text-transform:uppercase; margin-bottom:18px;
}
.stage-label .num{color:var(--muted)}
.stage-label::after{
  content:''; flex:1; height:1px; background:var(--line-strong);
}

.stage-title{
  font-family:var(--display); font-weight:700;
  font-size:clamp(1.8rem, 3vw, 2.5rem);
  letter-spacing:-0.01em;
  margin-bottom:14px;
  color:var(--paper);
}
.stage-sub{
  color:var(--muted); max-width:640px; font-size:1.02rem; margin-bottom:48px;
}

/* =================== NAV =================== */
.nav{
  position:sticky; top:0; z-index:100;
  backdrop-filter:blur(14px) saturate(140%);
  background:rgba(11,14,20,0.78);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:var(--max-w); margin:0 auto; padding:18px 32px;
  display:flex; align-items:center; justify-content:space-between;
}
.brand{
  font-family:var(--display); font-weight:700; font-size:1.05rem;
  display:flex; align-items:center; gap:10px;
}
.brand-dot{
  width:9px; height:9px; border-radius:50%; background:var(--amber);
  box-shadow:0 0 0 4px var(--amber-dim);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.45}}

.nav-links{display:flex; gap:6px; align-items:center}
.nav-links a{
  font-family:var(--mono); font-size:0.82rem; color:var(--paper-dim);
  padding:8px 14px; border-radius:6px; transition:color .2s, background .2s;
}
.nav-links a:hover{color:var(--paper); background:var(--card)}
.nav-links a.active{color:var(--signal); background:var(--signal-dim)}

.nav-cta{
  font-family:var(--mono); font-size:0.8rem;
  border:1px solid var(--line-strong); padding:8px 16px; border-radius:6px;
  transition:border-color .2s, color .2s;
}
.nav-cta:hover{border-color:var(--signal); color:var(--signal)}

.nav-toggle{display:none}

/* =================== HERO =================== */
.hero{padding:100px 0 80px; position:relative}
.hero-grid{
  display:grid; grid-template-columns:1.15fr 0.85fr; gap:56px; align-items:start;
}

.kicker{
  font-family:var(--mono); font-size:0.85rem; color:var(--amber);
  letter-spacing:0.05em; margin-bottom:22px; display:flex; align-items:center; gap:10px;
}
.kicker .blink{
  display:inline-block; width:8px; height:16px; background:var(--amber);
  animation:blink 1.1s steps(1) infinite;
}
@keyframes blink{50%{opacity:0}}

.hero-name{
  display:flex; align-items:baseline; gap:12px; flex-wrap:wrap;
  margin-bottom:16px;
}
.hn-name{
  font-family:var(--mono); font-size:1.05rem; font-weight:500;
  color:var(--paper-dim); letter-spacing:0.01em;
}
.hn-tag{
  font-family:var(--mono); font-size:0.74rem; color:var(--amber);
  text-transform:uppercase; letter-spacing:0.06em;
  padding:4px 10px; border:1px solid var(--line-strong); border-radius:20px;
}

.hero h1{
  font-family:var(--display); font-weight:700;
  font-size:clamp(2.6rem, 5.5vw, 4.2rem);
  line-height:1.04; letter-spacing:-0.02em;
  margin-bottom:24px;
}
.hero h1 .accent{color:var(--signal)}

.hero-lead{
  font-size:1.12rem; color:var(--paper-dim); max-width:560px; margin-bottom:36px;
}
.hero-lead strong{color:var(--paper); font-weight:600}

.hero-actions{display:flex; gap:14px; flex-wrap:wrap; margin-bottom:44px}

.btn{
  font-family:var(--mono); font-size:0.86rem; font-weight:500;
  padding:13px 22px; border-radius:8px; display:inline-flex; align-items:center; gap:9px;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  cursor:pointer; border:none;
}
.btn-solid{background:var(--signal); color:#06080D}
.btn-solid:hover{transform:translateY(-2px); box-shadow:0 10px 26px rgba(91,141,239,0.32)}
.btn-outline{border:1px solid var(--line-strong); color:var(--paper)}
.btn-outline:hover{border-color:var(--amber); color:var(--amber); transform:translateY(-2px)}

.hero-stats{display:flex; gap:32px; flex-wrap:wrap}
.hstat{font-family:var(--mono)}
.hstat .v{font-size:1.5rem; font-weight:600; color:var(--paper); display:block}
.hstat .l{font-size:0.76rem; color:var(--muted); text-transform:uppercase; letter-spacing:0.04em}

/* ---- terminal trace card (signature element) ---- */
.trace-card{
  background:var(--card); border:1px solid var(--line-strong); border-radius:12px;
  overflow:hidden; box-shadow:0 24px 60px -20px rgba(0,0,0,0.6);
}
.trace-head{
  display:flex; align-items:center; gap:8px; padding:13px 16px;
  border-bottom:1px solid var(--line); background:var(--card-hi);
}
.trace-dot{width:9px; height:9px; border-radius:50%}
.trace-dot.r{background:#E8675C} .trace-dot.y{background:#E8C15C} .trace-dot.g{background:#5CC788}
.trace-name{font-family:var(--mono); font-size:0.75rem; color:var(--muted); margin-left:6px}

.trace-body{padding:20px; font-family:var(--mono); font-size:0.84rem; line-height:1.85}
.trace-line{color:var(--muted)}
.trace-key{color:#7FB2FF}
.trace-str{color:#F2A65A}
.trace-bool{color:#5CC788}
.t-cursor{display:inline-block; width:7px; height:14px; background:var(--paper); vertical-align:middle; animation:blink 1s steps(1) infinite}

/* =================== SECTION: ABOUT / SKILLS =================== */
.about-grid{display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:flex-start}
.about-copy p{color:var(--paper-dim); margin-bottom:18px; font-size:1.02rem}
.about-copy strong{color:var(--paper)}

.skill-block{margin-bottom:26px}
.skill-block:last-child{margin-bottom:0}
.skill-block h4{
  font-family:var(--mono); font-size:0.8rem; color:var(--muted);
  text-transform:uppercase; letter-spacing:0.05em; margin-bottom:12px;
}
.bar-row{display:flex; align-items:center; gap:12px; margin-bottom:10px}
.bar-label{font-size:0.88rem; width:128px; flex-shrink:0; color:var(--paper-dim)}
.bar-track{flex:1; height:7px; background:var(--card-hi); border-radius:4px; overflow:hidden}
.bar-fill{height:100%; border-radius:4px; background:linear-gradient(90deg, var(--signal), var(--amber)); width:0%; transition:width 1.1s cubic-bezier(.16,1,.3,1)}
.bar-pct{font-family:var(--mono); font-size:0.78rem; color:var(--muted); width:36px; text-align:right; flex-shrink:0}

/* education card */
.edu-card{
  margin-top:34px; padding:22px; border:1px solid var(--line); border-radius:var(--radius);
  background:var(--card);
}
.edu-card .edu-top{display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; margin-bottom:6px}
.edu-card h4{font-family:var(--display); font-size:1.05rem; font-weight:600}
.edu-card .edu-meta{font-family:var(--mono); font-size:0.78rem; color:var(--muted)}
.edu-card p{color:var(--muted); font-size:0.92rem}

/* =================== EXPERIENCE =================== */
.exp-card{
  border:1px solid var(--line); border-radius:var(--radius); background:var(--card);
  padding:30px 32px; position:relative; overflow:hidden;
}
.exp-card::before{
  content:''; position:absolute; left:0; top:0; bottom:0; width:3px; background:var(--signal);
}
.exp-top{display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; margin-bottom:14px}
.exp-role{font-family:var(--display); font-size:1.25rem; font-weight:700}
.exp-org{color:var(--signal); font-size:0.95rem; margin-top:2px}
.exp-meta{font-family:var(--mono); font-size:0.78rem; color:var(--muted); text-align:right}
.exp-list{display:flex; flex-direction:column; gap:10px}
.exp-list li{
  padding-left:22px; position:relative; color:var(--paper-dim); font-size:0.97rem;
}
.exp-list li::before{
  content:'›'; position:absolute; left:0; color:var(--amber); font-family:var(--mono); font-weight:700;
}

/* =================== PROJECTS =================== */
.proj-grid{display:grid; grid-template-columns:repeat(auto-fit, minmax(340px,1fr)); gap:24px}
.proj-card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  padding:28px; display:flex; flex-direction:column; gap:14px;
  transition:transform .25s ease, border-color .25s ease, background .25s ease;
}
.proj-card:hover{transform:translateY(-4px); border-color:var(--line-strong); background:var(--card-hi)}
.proj-top{display:flex; justify-content:space-between; align-items:flex-start; gap:12px}
.proj-idx{font-family:var(--mono); font-size:0.78rem; color:var(--muted)}
.proj-card h3{font-family:var(--display); font-size:1.18rem; font-weight:700; line-height:1.3}
.proj-card p{color:var(--paper-dim); font-size:0.94rem; flex:1}
.proj-tags{display:flex; flex-wrap:wrap; gap:7px}
.proj-tags span{
  font-family:var(--mono); font-size:0.72rem; padding:5px 10px; border-radius:5px;
  background:var(--signal-dim); color:#9FC0FF;
}
.proj-link{
  font-family:var(--mono); font-size:0.82rem; color:var(--amber);
  display:inline-flex; align-items:center; gap:6px; margin-top:4px;
}
.proj-link svg{width:13px; height:13px}

/* =================== CERTS =================== */
.cert-grid{display:grid; grid-template-columns:repeat(auto-fit, minmax(260px,1fr)); gap:16px}
.cert-card{
  border:1px solid var(--line); border-radius:var(--radius); padding:18px 20px;
  background:var(--card); display:flex; flex-direction:column; gap:6px;
}
.cert-card h4{font-family:var(--display); font-weight:600; font-size:0.98rem}
.cert-card .cert-org{font-family:var(--mono); font-size:0.76rem; color:var(--signal)}
.cert-card .cert-meta{font-size:0.8rem; color:var(--muted)}

/* =================== CONTACT / DEPLOY =================== */
.deploy{
  border:1px solid var(--line-strong); border-radius:16px;
  background:radial-gradient(120% 140% at 0% 0%, var(--signal-dim), transparent 60%), var(--card);
  padding:56px; text-align:left; display:grid; grid-template-columns:1.2fr 0.8fr; gap:40px;
}
.deploy h2{font-family:var(--display); font-size:clamp(1.7rem,3vw,2.3rem); font-weight:700; margin-bottom:14px}
.deploy p{color:var(--paper-dim); max-width:460px}
.deploy-actions{display:flex; flex-direction:column; gap:12px; justify-content:center}
.deploy-row{
  display:flex; align-items:center; gap:14px; padding:14px 18px;
  border:1px solid var(--line); border-radius:8px; background:var(--surface);
  transition:border-color .2s, transform .2s;
}
.deploy-row:hover{border-color:var(--signal); transform:translateX(3px)}
.deploy-row svg{width:18px; height:18px; color:var(--signal); flex-shrink:0}
.deploy-row .dr-label{font-family:var(--mono); font-size:0.7rem; color:var(--muted); text-transform:uppercase; display:block}
.deploy-row .dr-value{font-size:0.92rem; color:var(--paper)}

/* =================== FOOTER =================== */
footer{
  border-top:1px solid var(--line); padding:32px 0; margin-top:40px;
}
.footer-inner{
  max-width:var(--max-w); margin:0 auto; padding:0 32px;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
}
.footer-inner p{font-family:var(--mono); font-size:0.78rem; color:var(--muted)}
.footer-status{display:flex; align-items:center; gap:8px; font-family:var(--mono); font-size:0.76rem; color:var(--muted)}
.footer-status .dot{width:7px; height:7px; border-radius:50%; background:#5CC788}

/* =================== REVEAL ON SCROLL =================== */
.reveal{opacity:0; transform:translateY(18px); transition:opacity .7s ease, transform .7s ease}
.reveal.is-visible{opacity:1; transform:translateY(0)}

/* =================== RESPONSIVE =================== */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr; gap:48px}
  .about-grid{grid-template-columns:1fr; gap:40px}
  .deploy{grid-template-columns:1fr; padding:40px 28px}
  .stage{padding:88px 0}
}

@media (max-width:720px){
  .wrap{padding:0 20px}
  .nav-links{display:none}
  .nav-toggle{
    display:flex; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px;
  }
  .nav-toggle span{width:22px; height:2px; background:var(--paper); border-radius:2px}
  .nav-cta{display:none}
  .hero{padding:64px 0 56px}
  .hero-actions{flex-direction:column}
  .btn{justify-content:center}
  .hero-stats{gap:22px}
  .exp-top{flex-direction:column}
  .exp-meta{text-align:left}
  .deploy{padding:32px 22px}
  .bar-label{width:96px; font-size:0.82rem}
}

/* mobile nav drawer */
.nav-links.open{
  display:flex; position:absolute; top:100%; left:0; right:0;
  flex-direction:column; background:var(--surface); border-bottom:1px solid var(--line);
  padding:10px 20px 18px; gap:4px;
}