/* ============================================================
   Mukesh Jha — portfolio
   Direction: "Signal" — dark, colorful engineering dashboard
   Type: Sora (display) + Manrope (body)
   ============================================================ */

:root{
  --bg:#14152A;
  --surface:#1C1E3D;
  --surface2:#242754;
  --line:#31355E;
  --text:#F1F1F8;
  --muted:#9498C4;

  --teal:#2DD4BF;
  --amber:#FBBF24;
  --coral:#FB7185;
  --violet:#A78BFA;
  --sky:#60A5FA;

  --max:1040px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Manrope', ui-sans-serif, system-ui, sans-serif;
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
}
img{max-width:100%;display:block;}
a{color:inherit;}
button{font:inherit;}
.disp{font-family:'Sora', ui-sans-serif, system-ui, sans-serif;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:0.001ms !important;animation-iteration-count:1 !important;transition-duration:0.001ms !important;}
}

.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--teal);color:#052B26;
  padding:10px 16px;border-radius:0 0 8px 0;font-weight:700;z-index:200;
}
.skip-link:focus{left:0;}

:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;}

/* ---------------- header / nav ---------------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(20,21,42,.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{display:flex;justify-content:space-between;align-items:center;padding-top:18px;padding-bottom:18px;}
.brand{font-family:'Sora';font-weight:800;font-size:16px;text-decoration:none;}
.brand span{color:var(--teal);}

.nav-links{display:flex;gap:26px;list-style:none;margin:0;padding:0;}
.nav-links a{font-size:13.5px;font-weight:500;color:var(--muted);text-decoration:none;transition:color .15s ease;}
.nav-links a:hover{color:var(--text);}

.nav-right{display:flex;align-items:center;gap:18px;}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'Sora';font-weight:700;font-size:13px;
  text-decoration:none;border-radius:10px;
  border:1px solid transparent;
  cursor:pointer;
}
.btn-primary{background:var(--teal);color:#052B26;padding:12px 20px;}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);padding:12px 20px;}
.btn-cta{background:var(--teal);color:#052B26;padding:9px 16px;border-radius:999px;}
.btn:hover{filter:brightness(1.08);}

.nav-toggle{
  display:none;background:transparent;border:1px solid var(--line);border-radius:8px;
  width:40px;height:40px;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle .bars{position:relative;width:18px;height:2px;background:var(--text);}
.nav-toggle .bars::before,.nav-toggle .bars::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);transition:transform .15s ease;}
.nav-toggle .bars::before{top:-6px;}
.nav-toggle .bars::after{top:6px;}
.nav-toggle[aria-expanded="true"] .bars{background:transparent;}
.nav-toggle[aria-expanded="true"] .bars::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .bars::after{transform:translateY(-6px) rotate(-45deg);}

@media (max-width:820px){
  .nav-links{
    position:fixed;inset:65px 0 auto 0;background:var(--bg);border-bottom:1px solid var(--line);
    flex-direction:column;padding:18px 24px;gap:16px;
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:transform .18s ease, opacity .18s ease;
  }
  .nav-links.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-toggle{display:flex;}
}

/* ---------------- hero ---------------- */
.hero{padding:56px 0 60px;}
.hero .wrap{display:grid;grid-template-columns:1.15fr 0.85fr;gap:48px;align-items:center;}

.eyebrow{
  font-weight:700;font-size:12.5px;color:var(--teal);letter-spacing:.1em;text-transform:uppercase;
  margin:0 0 16px;display:flex;align-items:center;gap:8px;
}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);display:inline-block;}

h1{
  font-family:'Sora';font-weight:800;font-size:clamp(32px,4.6vw,50px);line-height:1.08;
  margin:0 0 18px;text-wrap:balance;
}
h1 .hl{color:var(--teal);}

.lede{font-size:16px;line-height:1.65;color:#C6C9E8;max-width:52ch;margin:0 0 26px;}

.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px;}

.pillrow{display:flex;gap:10px;flex-wrap:wrap;}
.pill{font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px;}
.pill.teal{background:rgba(45,212,191,.14);color:var(--teal);}
.pill.amber{background:rgba(251,191,36,.14);color:var(--amber);}
.pill.coral{background:rgba(251,113,133,.14);color:var(--coral);}
.pill.violet{background:rgba(167,139,250,.14);color:var(--violet);}
.pill.sky{background:rgba(96,165,250,.14);color:var(--sky);}

.hero-photo{position:relative;border-radius:24px;aspect-ratio:4/5;box-shadow:0 30px 60px -20px rgba(0,0,0,.6);overflow:hidden;}
.hero-photo img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.08) brightness(1.02);}
.hero-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(150deg,var(--teal),var(--violet) 60%,var(--coral));mix-blend-mode:color;}
.hero-photo::before{content:"";position:absolute;inset:0;background:linear-gradient(0deg, rgba(20,21,42,.55), transparent 45%);z-index:2;}
.photo-tag{
  position:absolute;bottom:16px;left:16px;z-index:3;display:flex;align-items:center;gap:6px;
  font-family:'Sora';font-weight:700;font-size:12px;background:rgba(20,21,42,.75);backdrop-filter:blur(4px);
  padding:7px 12px;border-radius:999px;
}
.photo-tag svg{width:12px;height:12px;flex:none;}

/* ---------------- sections (shared) ---------------- */
section{padding:56px 0;border-top:1px solid var(--line);}
.sec-head{display:flex;align-items:baseline;gap:12px;margin-bottom:28px;flex-wrap:wrap;}
.sec-tag{font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);}
h2{font-family:'Sora';font-size:25px;font-weight:800;margin:0;}
.about-body{font-size:15.5px;line-height:1.75;color:#C6C9E8;max-width:66ch;}

/* ---------------- skills ---------------- */
.badge-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;}
.badge{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;}
.badge .ic{
  min-width:40px;height:40px;padding:0 8px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  font-family:'Sora';font-weight:800;font-size:12px;letter-spacing:.01em;margin-bottom:14px;white-space:nowrap;
}
.badge h3{font-family:'Sora';font-size:14.5px;margin:0 0 6px;font-weight:700;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.badge p{font-size:12.5px;color:var(--muted);margin:0;line-height:1.5;}
.badge-growing{border-color:var(--sky);}
.growing-tag{font-family:'Manrope';font-size:10px;font-weight:700;color:var(--sky);background:rgba(96,165,250,.14);padding:2px 8px;border-radius:999px;letter-spacing:.02em;}
.ic.c1{background:rgba(45,212,191,.16);color:var(--teal);}
.ic.c2{background:rgba(251,191,36,.16);color:var(--amber);}
.ic.c3{background:rgba(251,113,133,.16);color:var(--coral);}
.ic.c4{background:rgba(167,139,250,.16);color:var(--violet);}
.ic.c5{background:rgba(96,165,250,.16);color:var(--sky);}
.ic.c6{background:rgba(45,212,191,.16);color:var(--teal);}

/* ---------------- experience ---------------- */
.exp-line{position:relative;padding-left:28px;}
.exp-line::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--line);}
.exp-item{position:relative;padding-bottom:28px;}
.exp-item:last-child{padding-bottom:0;}
.exp-item::before{content:"";position:absolute;left:-28px;top:3px;width:13px;height:13px;border-radius:50%;background:var(--bg);border:2px solid var(--line);}
.exp-item.current::before{border-color:var(--teal);}
.exp-item .role{font-family:'Sora';font-weight:700;font-size:16px;}
.exp-item .co{color:var(--muted);font-size:13.5px;}
.exp-item .dates{font-size:12px;color:var(--muted);margin-top:4px;font-variant-numeric:tabular-nums;}
.exp-item .now{display:inline-block;font-size:10px;font-weight:700;background:rgba(45,212,191,.16);color:var(--teal);padding:2px 8px;border-radius:999px;margin-left:8px;}
.exp-item .exp-note{font-size:13.5px;line-height:1.6;color:#B4B8DE;max-width:62ch;margin:10px 0 0;padding-left:18px;}
.exp-item .exp-note li{margin-bottom:4px;}
.exp-item .exp-note li:last-child{margin-bottom:0;}
.exp-item .exp-note li::marker{color:var(--muted);}

/* ---------------- education & recognition ---------------- */
.info-grid{display:grid;grid-template-columns:1fr 2fr;gap:16px;}
.info-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;}
.info-card .sec-tag{display:block;margin-bottom:10px;}
.info-card h3{font-family:'Sora';font-size:15px;margin:0 0 6px;font-weight:700;}
.info-card p{font-size:13px;color:var(--muted);margin:0;line-height:1.55;}
.info-card a{color:var(--teal);font-weight:600;text-decoration:none;}
.info-card a:hover{text-decoration:underline;}

.achv-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.achv-list li{padding-bottom:12px;border-bottom:1px solid var(--line);}
.achv-list li:last-child{padding-bottom:0;border-bottom:none;}
.achv-row{display:flex;justify-content:space-between;align-items:baseline;gap:14px;flex-wrap:wrap;}
.achv-name{font-family:'Sora';font-weight:700;font-size:13.5px;color:var(--text);}
.achv-meta{font-size:12px;color:var(--muted);white-space:nowrap;}
.achv-desc{font-size:12.5px;color:var(--muted);margin:6px 0 0;line-height:1.5;}

@media (max-width:820px){
  .info-grid{grid-template-columns:1fr;}
}

/* ---------------- projects ---------------- */
.projects{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;}
.pcard{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;}
.pcard-top{height:6px;}
.pcard-top.teal{background:var(--teal);}
.pcard-top.amber{background:var(--amber);}
.pcard-top.violet{background:var(--violet);}
.pcard-body{padding:20px;}
.pcard-body h3{font-family:'Sora';font-size:16px;margin:0 0 8px;font-weight:700;}
.pcard-body p{font-size:13.5px;line-height:1.6;color:var(--muted);margin:0 0 14px;}
.pcard-stack{display:flex;flex-wrap:wrap;gap:6px;}
.pcard-stack span{font-size:11px;font-weight:600;background:var(--surface2);color:#C6C9E8;padding:4px 9px;border-radius:999px;}

/* ---------------- contact ---------------- */
.contact-card{
  background:linear-gradient(135deg,var(--surface2),var(--surface));border:1px solid var(--line);border-radius:22px;
  padding:32px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:24px;
}
.contact-card h3{font-family:'Sora';font-size:20px;margin:0 0 6px;}
.contact-card p{margin:0;color:var(--muted);font-size:13.5px;}
.contact-links{display:flex;gap:12px;flex-wrap:wrap;}

.contact-meta{display:flex;gap:20px;flex-wrap:wrap;margin-top:22px;font-size:13px;color:var(--muted);}
.contact-meta a{color:var(--muted);text-decoration:none;}
.contact-meta a:hover{color:var(--text);}

footer.site-footer{padding:26px 0 60px;color:var(--muted);font-size:12px;border-top:1px solid var(--line);}
footer.site-footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}

@media (max-width:820px){
  .hero .wrap{grid-template-columns:1fr;}
  .hero-photo{max-width:360px;}
  .contact-card{flex-direction:column;align-items:flex-start;}
}