/* ════════════════════════════════════════
   RUDRA PRATAP SINGH — PORTFOLIO STYLE
   Modern Builder Theme
════════════════════════════════════════ */

:root{
  --bg:#0e1117;
  --bg2:#141922;
  --bg3:#1a2030;
  --bg4:#21283b;

  --white:#eef2f7;
  --grey:#8b94a7;
  --grey2:#b7c0d0;

  --blue:#2196f3;
  --blue2:#64b5f6;
  --cyan:#00bcd4;

  --orange:#f5622e;
  --orange2:#ff8c5a;

  --green:#42c96f;

  --border:rgba(100,181,246,.18);
  --border2:rgba(245,98,46,.18);

  --mono:'IBM Plex Mono', monospace;
  --sans:'IBM Plex Sans', sans-serif;
  --cond:'IBM Plex Sans Condensed', sans-serif;
}

/* RESET */
*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--white);
  overflow-x:hidden;
  line-height:1.6;
}

/* BACKGROUND GRID */
.cad-grid{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;

  background-image:
  linear-gradient(rgba(33,150,243,.03) 1px, transparent 1px),
  linear-gradient(90deg, rgba(33,150,243,.03) 1px, transparent 1px),
  linear-gradient(rgba(33,150,243,.012) 1px, transparent 1px),
  linear-gradient(90deg, rgba(33,150,243,.012) 1px, transparent 1px);

  background-size:
  80px 80px,
  80px 80px,
  16px 16px,
  16px 16px;
}

/* CORNERS */
.corners{
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:50;
}

.c{
  position:absolute;
  width:18px;
  height:18px;
  border-color:rgba(255,255,255,.12);
  border-style:solid;
}

.tl{top:18px;left:18px;border-width:1px 0 0 1px;}
.tr{top:18px;right:18px;border-width:1px 1px 0 0;}
.bl{bottom:18px;left:18px;border-width:0 0 1px 1px;}
.br{bottom:18px;right:18px;border-width:0 1px 1px 0;}

/* NAV */
nav{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:100;
  height:56px;

  display:flex;
  align-items:center;
  justify-content:space-between;

  padding:0 38px;

  background:rgba(14,17,23,.86);
  backdrop-filter:blur(14px);

  border-bottom:1px solid var(--border);
}

.nav-id{
  display:flex;
  align-items:center;
  gap:14px;
}

.nav-badge{
  width:28px;
  height:28px;
  background:var(--orange);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--mono);
  font-size:11px;
  font-weight:700;
}

.nav-name{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:1px;
}

.nav-links{
  list-style:none;
  display:flex;
}

.nav-links a{
  color:var(--grey);
  text-decoration:none;
  padding:0 14px;
  height:56px;
  display:flex;
  align-items:center;
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:2px;
  text-transform:uppercase;
  transition:.25s;
}

.nav-links a:hover{
  color:var(--orange);
}

.nav-status{
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--green);
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:1px;
}

.dot-live{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--green);
  animation:blink 1.8s infinite;
}

@keyframes blink{
  50%{opacity:.3;}
}

/* HERO */
#hero{
  min-height:100vh;
  padding-top:56px;

  display:grid;
  grid-template-columns:1fr 470px;
}

.hero-left{
  padding:90px 60px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  border-right:1px solid var(--border);
  position:relative;
  z-index:2;
}

.hero-eyebrow{
  display:flex;
  align-items:center;
  gap:12px;

  font-family:var(--mono);
  font-size:10px;
  letter-spacing:3px;
  color:var(--orange);
  margin-bottom:28px;
}

.eyebrow-line{
  width:36px;
  height:1px;
  background:var(--orange);
}

.hero-name{
  font-family:var(--cond);
  font-size:clamp(56px,7vw,92px);
  line-height:.92;
  letter-spacing:-1px;
}

.line2{
  color:transparent;
  -webkit-text-stroke:1.5px var(--blue);
}

.hero-role{
  margin-top:14px;
  font-family:var(--mono);
  color:var(--grey);
  font-size:12px;
  letter-spacing:2px;
  text-transform:uppercase;
}

.hl{
  color:var(--blue2);
}

.hero-subline{
  margin-top:28px;
  max-width:620px;
  font-size:24px;
  line-height:1.35;
  font-weight:600;
}

.hero-desc{
  margin-top:18px;
  max-width:620px;
  color:var(--grey2);
  font-size:16px;
}

.hero-actions{
  margin-top:34px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}

.btn-solid,
.btn-ghost{
  text-decoration:none;
  padding:12px 24px;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:2px;
  text-transform:uppercase;
  transition:.25s;
}

.btn-solid{
  background:var(--orange);
  color:white;
}

.btn-solid:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(245,98,46,.25);
}

.btn-ghost{
  border:1px solid var(--border);
  color:var(--blue2);
}

.btn-ghost:hover{
  background:rgba(33,150,243,.06);
}

/* METRICS */
.hero-metrics{
  margin-top:42px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}

.metric{
  padding:18px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.015);
}

.metric-val{
  display:block;
  font-family:var(--mono);
  font-size:28px;
  color:var(--orange);
  margin-bottom:6px;
}

.metric-label{
  font-family:var(--mono);
  font-size:9px;
  color:var(--grey);
  letter-spacing:1px;
  text-transform:uppercase;
}

/* RIGHT PANEL */
.hero-right{
  position:relative;
  overflow:hidden;
  background:
  radial-gradient(circle at center, rgba(33,150,243,.08), transparent 55%),
  var(--bg2);
}

.data-strip{
  position:absolute;
  z-index:2;
  font-family:var(--mono);
  font-size:9px;
  color:rgba(255,255,255,.35);
  line-height:1.8;
  letter-spacing:1px;
}

.top-left{
  top:24px;
  left:18px;
}

.bot-right{
  right:18px;
  bottom:24px;
  text-align:right;
}

/* SYSTEM PANEL */
.systems-panel{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
}

.radar-ring{
  position:absolute;
  border-radius:50%;
  border:1px solid rgba(0,188,212,.18);
  animation:ring 3.5s linear infinite;
}

.radar-ring:nth-child(2){animation-delay:1s;}
.radar-ring:nth-child(3){animation-delay:2s;}

@keyframes ring{
  0%{
    width:70px;height:70px;
    opacity:.8;
  }
  100%{
    width:340px;height:340px;
    opacity:0;
  }
}

.radar-center{
  position:absolute;
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 18px var(--cyan);
}

.sys-core{
  position:absolute;
  width:92px;
  height:92px;
  border-radius:50%;
  border:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--mono);
  font-size:14px;
  letter-spacing:2px;
  background:rgba(255,255,255,.02);
}

.sys-node{
  position:absolute;
  width:18px;
  height:18px;
  border-radius:50%;
  background:var(--orange);
  box-shadow:0 0 16px rgba(245,98,46,.35);
}

.n1{top:24%;left:50%;}
.n2{top:42%;left:22%;}
.n3{top:42%;right:22%;}
.n4{bottom:24%;left:38%;}
.n5{bottom:24%;right:38%;}

.sys-line{
  position:absolute;
  height:1px;
  background:linear-gradient(90deg,var(--orange),transparent);
  transform-origin:left center;
}

.l1{width:120px;top:31%;left:50%;transform:rotate(90deg);}
.l2{width:120px;top:49%;left:24%;transform:rotate(-20deg);}
.l3{width:120px;top:49%;right:24%;transform:rotate(200deg);}
.l4{width:90px;bottom:32%;left:41%;transform:rotate(40deg);}
.l5{width:90px;bottom:32%;right:41%;transform:rotate(140deg);}

/* SECTIONS */
.section-wrap{
  position:relative;
  z-index:2;
}

.section-inner{
  max-width:1220px;
  margin:auto;
  padding:92px 60px;
}

.section-head{
  display:flex;
  align-items:center;
  gap:18px;
  margin-bottom:54px;
}

.sec-num{
  font-family:var(--mono);
  font-size:10px;
  color:var(--orange);
  letter-spacing:3px;
}

.sec-title{
  font-family:var(--cond);
  font-size:26px;
  letter-spacing:2px;
  text-transform:uppercase;
}

.sec-line{
  flex:1;
  height:1px;
  background:linear-gradient(90deg,var(--border),transparent);
}

/* ABOUT */
#about{
  background:var(--bg2);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}

.about-grid{
  display:grid;
  grid-template-columns:1fr 420px;
  gap:54px;
}

.about-copy h3{
  font-family:var(--cond);
  font-size:36px;
  line-height:1.15;
  margin-bottom:18px;
}

.about-copy p{
  color:var(--grey2);
  margin-bottom:16px;
}

.specs-panel{
  border:1px solid var(--border);
  background:var(--bg3);
}

.specs-header{
  padding:14px 18px;
  border-bottom:1px solid var(--border);
  font-family:var(--mono);
  font-size:10px;
  color:var(--blue2);
}

.spec-row{
  padding:14px 18px;
  display:flex;
  justify-content:space-between;
  border-bottom:1px solid rgba(255,255,255,.04);
  font-family:var(--mono);
  font-size:11px;
}

.spec-key{color:var(--grey);}
.spec-val{color:var(--white);}
.green{color:var(--green);}
.orange{color:var(--orange2);}
.blue{color:var(--blue2);}

/* SKILLS */
.skills-layout{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
}

.skill-category{
  border:1px solid var(--border);
  padding:24px;
  background:var(--bg2);
}

.cat-label{
  font-family:var(--mono);
  color:var(--orange);
  font-size:10px;
  letter-spacing:2px;
  margin-bottom:18px;
}

.skill-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}

.skill-item{
  display:grid;
  grid-template-columns:14px 170px 1fr;
  gap:12px;
}

.skill-dot{
  width:7px;
  height:7px;
  border-radius:50%;
  margin-top:7px;
}

.skill-name{
  font-family:var(--mono);
  font-size:11px;
}

.skill-level{
  color:var(--grey);
  font-size:13px;
}

/* PROJECTS */
#projects{
  background:var(--bg2);
}

.projects-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}

.proj-card{
  border:1px solid var(--border);
  background:var(--bg3);
  transition:.28s;
}

.proj-card:hover{
  transform:translateY(-4px);
  border-color:rgba(100,181,246,.4);
}

.proj-header{
  display:flex;
  justify-content:space-between;
  padding:18px 22px 0;
}

.proj-num,
.proj-type{
  font-family:var(--mono);
  font-size:10px;
}

.proj-num{color:var(--orange);}
.proj-type{color:var(--grey);}

.proj-body{
  padding:16px 22px 24px;
}

.proj-title{
  font-family:var(--cond);
  font-size:20px;
  margin-bottom:10px;
}

.proj-desc{
  color:var(--grey2);
}

/* WHY */
.why-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}

.why-card{
  padding:26px;
  border:1px solid var(--border);
  background:var(--bg2);
}

.why-title{
  font-family:var(--mono);
  font-size:11px;
  color:var(--orange);
  margin-bottom:12px;
  letter-spacing:1px;
  text-transform:uppercase;
}

.why-desc{
  color:var(--grey2);
}

/* CONTACT */
.contact-layout{
  display:grid;
  grid-template-columns:1fr 420px;
  gap:40px;
}

.contact-left h3{
  font-family:var(--cond);
  font-size:42px;
  margin-bottom:18px;
}

.contact-left p{
  color:var(--grey2);
}

.contact-links{
  display:flex;
  flex-direction:column;
  gap:14px;
}

.contact-link{
  border:1px solid var(--border);
  padding:18px 22px;
  text-decoration:none;
  color:var(--white);
  transition:.25s;
}

.contact-link:hover{
  background:rgba(33,150,243,.05);
}

.cl-val{
  font-family:var(--mono);
}

/* RESPONSIVE */
@media(max-width:1100px){

#hero{
  grid-template-columns:1fr;
}

.hero-right{
  min-height:500px;
}

.about-grid,
.contact-layout,
.skills-layout,
.projects-grid,
.why-grid{
  grid-template-columns:1fr;
}

.hero-metrics{
  grid-template-columns:1fr 1fr;
}

}

@media(max-width:700px){

nav{
  padding:0 18px;
}

.nav-links{
  display:none;
}

.hero-left,
.section-inner{
  padding:70px 22px;
}

.hero-name{
  font-size:58px;
}

.hero-subline{
  font-size:20px;
}

.hero-metrics{
  grid-template-columns:1fr;
}

}