/* Premium Neural AI Product Interface — FULL CSS REWRITE */

:root{
  --bg0:#050812;
  --bg1:#070b16;
  --panel:rgba(255,255,255,0.04);
  --border:rgba(255,255,255,0.08);
  --text:#ffffff;
  --body:#d1d5db;
  --meta:#9ca3af;

  --accentA:#7aa2ff;
  --accentB:#b98cff;
  --accentC:#7ef0d8;

  --max:1100px;

  --r16:16px;
  --r999:999px;

  --s1:8px;
  --s2:16px;
  --s3:24px;
  --s4:32px;
  --s5:40px;
  --s6:48px;
  --s7:56px;
  --s8:64px;

  --ease:cubic-bezier(.22,1,.36,1);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--body);
  background:
    radial-gradient(900px 500px at 20% 10%, rgba(122,162,255,0.10), transparent 60%),
    radial-gradient(800px 600px at 70% 10%, rgba(185,140,255,0.09), transparent 60%),
    radial-gradient(900px 650px at 50% 110%, rgba(126,240,216,0.06), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  line-height:1.6;
  overflow-x:hidden;
}

/* Cursor FX (desktop only; enabled via JS) */
body.has-cursor-fx{ cursor:none; }
body.has-cursor-fx a,
body.has-cursor-fx button,
body.has-cursor-fx input,
body.has-cursor-fx textarea,
body.has-cursor-fx select,
body.has-cursor-fx [role="button"]{ cursor:none; }

.cursor-fx-layer{
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:9999;
}

#cursor-trail{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
}

.cursor-dot,
.cursor-ring{
  position:absolute;
  left:0;
  top:0;
  transform: translate3d(-9999px, -9999px, 0);
  will-change: transform;
}

.cursor-dot{
  width:8px;
  height:8px;
  margin-left:-4px;
  margin-top:-4px;
  border-radius:50%;
  background:rgba(235, 242, 255, 0.9);
  box-shadow:
    0 0 18px rgba(122,162,255,0.42),
    0 0 36px rgba(185,140,255,0.28);
}

.cursor-ring{
  width:46px;
  height:46px;
  margin-left:-23px;
  margin-top:-23px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,0.20);
  background: radial-gradient(circle at 30% 30%, rgba(122,162,255,0.20), transparent 60%);
  box-shadow: 0 0 26px rgba(122,162,255,0.20);
  transition: width 160ms var(--ease), height 160ms var(--ease), margin 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

body.cursor-fx--pointer .cursor-ring{
  width:56px;
  height:56px;
  margin-left:-28px;
  margin-top:-28px;
  border-color: rgba(255,255,255,0.34);
  background: radial-gradient(circle at 30% 30%, rgba(126,240,216,0.22), transparent 62%);
}

body.cursor-fx--down .cursor-ring{
  width:42px;
  height:42px;
  margin-left:-21px;
  margin-top:-21px;
}

@media (prefers-reduced-motion: reduce){
  body.has-cursor-fx{ cursor:auto; }
  .cursor-fx-layer{ display:none; }
}

img{ max-width:100%; display:block; }

a{
  color:inherit;
  text-decoration:none;
}

a:hover{ text-decoration:none; }

.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding:0 var(--s3);
}

/* Background canvas */
#neural-constellation{
  position:fixed;
  inset:0;
  z-index:-2;
  width:100%;
  height:100%;
  pointer-events:none;
}

/* Header */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:50;
  background:rgba(5,8,18,0.70);
  border-bottom:1px solid rgba(255,255,255,0.06);
}

.header-flex{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--s3);
  height:72px;
}

.site-header .nav{
  display:block;
}

.logo{
  margin:0;
  font-weight:750;
  letter-spacing:-0.02em;
  color:var(--text);
  font-size:15px;
  line-height:1;
}

.nav-links,
.nav-list{
  list-style:none;
  display:flex;
  gap:var(--s3);
  padding:0;
  margin:0;
}

.nav-links a,
.nav-list a{
  position:relative;
  color:rgba(255,255,255,0.78);
  font-size:14px;
  font-weight:600;
  letter-spacing:0.01em;
  padding:10px 2px;
  transition:color 200ms var(--ease);
}

.nav-links a:hover,
.nav-list a:hover{ color:var(--text); }

.nav-links a::after,
.nav-list a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg, var(--accentA), var(--accentB));
  opacity:0;
  transform:scaleX(0.6);
  transform-origin:center;
  transition:opacity 240ms var(--ease), transform 240ms var(--ease);
}

.nav-links a.is-active,
.nav-list a.is-active{ color:var(--text); }

.nav-links a.is-active::after,
.nav-list a.is-active::after{
  opacity:1;
  transform:scaleX(1);
}

main{
  padding-top:88px;
}

/* Fix section offset for fixed header */
section {
  scroll-margin-top: 100px;
}

/* Type */
h1,h2,h3{
  margin:0 0 var(--s2);
  color:var(--text);
  letter-spacing:-0.02em;
}

h2{
  font-size:36px;
  line-height:1.15;
}

h3{
  font-size:18px;
  line-height:1.35;
  color:rgba(255,255,255,0.92);
}

p{ margin:0 0 var(--s2); }
.small{ color:var(--meta); font-size:14px; }

/* Hero */
.hero{
  position:relative;
  padding:var(--s7) 0 var(--s6);
}

.hero::before{
  content:"";
  position:absolute;
  inset:-40px 0 auto 0;
  height:520px;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(520px 320px at calc(50% + var(--px,0px) * 0.15) calc(35% + var(--py,0px) * 0.15), rgba(255,255,255,0.06), transparent 60%),
    radial-gradient(560px 360px at calc(35% + var(--px,0px) * 0.18) calc(30% + var(--py,0px) * 0.18), rgba(122,162,255,0.10), transparent 65%),
    radial-gradient(600px 380px at calc(65% + var(--px,0px) * 0.18) calc(25% + var(--py,0px) * 0.18), rgba(185,140,255,0.09), transparent 65%);
}

.hero-bg-anim{ display:none; }

.hero-flex{
  display:grid;
  grid-template-columns: 1.12fr 0.88fr;
  align-items:center;
  gap:var(--s6);
  min-height: calc(100svh - 140px);
}

.hero-text h2{
  font-size:clamp(56px, 5.2vw, 64px);
  line-height:1.02;
  font-weight:800;
  white-space:nowrap;
  letter-spacing:-0.03em;
  margin-bottom:var(--s2);
}

.highlight{
  background:linear-gradient(90deg, var(--accentA), var(--accentB));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.hero-text h3{
  margin:0 0 var(--s2);
  font-size:18px;
  font-weight:600;
  color:rgba(255,255,255,0.88);
}

.hero-text p{
  font-size:18px;
  color:var(--body);
  max-width:62ch;
}

.hero-subtitle{
  margin:0 0 12px;
  font-size:16px;
  font-weight:650;
  color:rgba(255,255,255,0.86);
}

.hero-desc{
  margin:0 0 var(--s2);
  font-size:16px;
  color:var(--body);
}

.hero-contact{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:0 0 var(--s2);
  font-size:13px;
  color:var(--meta);
}

.contact-link{
  color:var(--meta);
}

.contact-link:hover{
  color:rgba(255,255,255,0.86);
}

.hero-social{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin:0 0 var(--s2);
}

.hero-actions{
  display:flex;
  gap:var(--s2);
  flex-wrap:wrap;
  margin-top:var(--s3);
}

.hero-image{
  display:flex;
  justify-content:center;
  align-items:center;
  padding:20px;
}

.profile-img{
  width:min(280px, 72vw);
  height:min(280px, 72vw);
  border-radius:50%;
  object-fit:cover;
  object-position:center 20%;
  border:1px solid rgba(255,255,255,0.12);
  box-shadow:
    0 0 40px rgba(122,162,255,0.25),
    0 18px 50px rgba(0,0,0,0.45),
    0 0 0 10px rgba(255,255,255,0.03);
  transform: translate3d(calc(var(--px,0px) * 0.03), calc(var(--py,0px) * 0.03), 0);
  animation: hero-breathe 6.5s var(--ease) infinite;
  transition: transform 0.4s ease;
  will-change:transform;
}

.hero-image{
  position:relative;
}

.hero-image::before{
  content:"";
  position:absolute;
  width:min(420px, 92vw);
  height:min(420px, 92vw);
  border-radius:50%;
  z-index:-1;
  background:
    radial-gradient(circle at 50% 45%, rgba(122,162,255,0.14), transparent 60%),
    radial-gradient(circle at 55% 55%, rgba(185,140,255,0.12), transparent 62%);
  transform: translate3d(calc(var(--px,0px) * 0.04), calc(var(--py,0px) * 0.04), 0);
  opacity:0.9;
}

@keyframes hero-breathe{
  0%,100%{ transform: translate3d(calc(var(--px,0px) * 0.03), calc(var(--py,0px) * 0.03), 0) scale(1); }
  50%{ transform: translate3d(calc(var(--px,0px) * 0.03), calc(var(--py,0px) * 0.03), 0) scale(1.03); }
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius:12px;
  font-weight:700;
  font-size:14px;
  border:1px solid rgba(255,255,255,0.10);
  color:var(--text);
  background:rgba(255,255,255,0.03);
  box-shadow: 0 10px 22px rgba(0,0,0,0.28);
  transform: translateY(0);
  transition: transform 220ms var(--ease), background 220ms var(--ease), border-color 220ms var(--ease);
  user-select:none;
}

.social-btn{
  padding:10px 12px;
  border-radius:12px;
  font-size:13px;
  background:rgba(255,255,255,0.02);
  box-shadow:none;
}

.hero-social .social-btn:hover{
  background:rgba(255,255,255,0.03);
}

.primary-btn{
  background:linear-gradient(135deg, rgba(122,162,255,0.85), rgba(185,140,255,0.85));
  border-color: rgba(255,255,255,0.12);
}

.secondary-btn{
  background:rgba(255,255,255,0.03);
}

.btn:hover{
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.16);
}

.btn:active{
  transform: translateY(0);
}

.btn:focus-visible{
  outline:none;
  box-shadow:
    0 10px 24px rgba(0,0,0,0.35),
    0 0 0 3px rgba(122,162,255,0.22);
}

/* Sections */
.section{
  padding:var(--s6) 0;
}

.section.alt{
  background: transparent;
}

.section-card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--r16);
  padding:var(--s4);
  box-shadow: 0 18px 50px rgba(0,0,0,0.38);
}

/* About */
.about-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:var(--s4);
}

.skills{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:0;
  margin:10px 0 var(--s3);
}

.skills li{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,0.10);
  background:rgba(255,255,255,0.02);
  color:rgba(255,255,255,0.82);
  font-size:13px;
  font-weight:650;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease);
}

.skill-icon{
  font-size:16px;
  line-height:1;
  display:inline-block;
}

.skills li:hover{
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.035);
}

/* Projects */
.project-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:var(--s3);
  margin-top:var(--s3);
}

.project-card{
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:14px;
  padding:20px;
  box-shadow: 0 14px 36px rgba(0,0,0,0.30);
  transform: translateY(0);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.project-card:hover{
  transform: translateY(-8px);
  border-color: rgba(255,255,255,0.14);
}

.project-card h3{ margin-bottom:10px; }

.project-tech-icons{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin:0 0 10px;
  color:rgba(255,255,255,0.90);
}

.project-tech-icons i{
  font-size:18px;
  line-height:1;
  filter: drop-shadow(0 0 10px rgba(255,255,255,0.06));
}

.project-meta{
  list-style:none;
  padding:0;
  margin:12px 0 0;
  color:var(--meta);
  font-size:13px;
}

.project-meta li{ margin:6px 0; }

.project-impact{
  margin-top: 10px;
  font-weight: 600;
  color: var(--accentA);
}

.project-card a{
  color:rgba(255,255,255,0.92);
  font-weight:700;
  text-decoration:underline;
  text-decoration-color: rgba(255,255,255,0.22);
  text-underline-offset:3px;
}

.project-card a.btn{
  margin-top:14px;
  text-decoration:none;
}

.project-card a:hover{
  text-decoration-color: rgba(255,255,255,0.45);
}

/* Internship */
.internship-card{
  background:rgba(255,255,255,0.02);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:14px;
  padding:20px;
}

/* Certifications */
.cert-list{
  list-style:none;
  margin:0;
  padding:0;
  color:var(--body);
}

.cert-list li{
  position:relative;
  margin:12px 0;
  padding-left:18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.cert-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:0.72em;
  width:7px;
  height:7px;
  border-radius:50%;
  background:linear-gradient(90deg, var(--accentA), var(--accentB));
  box-shadow:
    0 0 14px rgba(122,162,255,0.30),
    0 0 22px rgba(185,140,255,0.20);
}

.cert-list li > span{
  min-width: 240px;
}

.cert-list li .btn{
  padding:8px 12px;
  border-radius:12px;
  font-size:13px;
  background:rgba(255,255,255,0.02);
  box-shadow:none;
  white-space:nowrap;
}

@media (max-width: 980px){
  .cert-list li{
    align-items:flex-start;
    flex-wrap:wrap;
  }
  .cert-list li > span{ min-width: 0; }
}

/* Contact */
form{
  margin-top:var(--s3);
}

.form-row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:var(--s2);
}

input,textarea{
  width:100%;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,0.10);
  background:rgba(0,0,0,0.18);
  color:var(--text);
  font-size:14px;
  transition: border-color 220ms var(--ease), background 220ms var(--ease);
}

textarea{ resize:vertical; }

input::placeholder,textarea::placeholder{ color:rgba(209,213,219,0.55); }

input:focus,textarea:focus{
  outline:none;
  border-color: rgba(122,162,255,0.35);
  background: rgba(0,0,0,0.22);
}

#contact .small a{
  color:rgba(255,255,255,0.92);
  text-decoration:underline;
  text-decoration-color: rgba(255,255,255,0.22);
  text-underline-offset:3px;
}

#contact .small a:hover{ text-decoration-color: rgba(255,255,255,0.45); }

/* Footer */
footer{
  padding:var(--s5) 0;
  color:var(--meta);
}

.site-footer{
  border-top:1px solid rgba(255,255,255,0.06);
  background:rgba(0,0,0,0.06);
}

.footer-flex{
  display:flex;
  justify-content:center;
  text-align:center;
}

/* Reveal animations */
.fade-in{
  opacity:0;
  transform: translateY(14px);
  transition:
    opacity 780ms var(--ease),
    transform 780ms var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.fade-in.visible{
  opacity:1;
  transform: translateY(0);
}

@media (max-width: 980px){
  .container{ padding:0 var(--s2); }

  .hero-flex{
    grid-template-columns: 1fr;
    gap:var(--s4);
    min-height:auto;
    padding-top: var(--s2);
  }

  .hero-text h2{
    font-size:clamp(40px, 8vw, 54px);
  }

  .about-grid{ grid-template-columns: 1fr; }

  .project-grid{ grid-template-columns: 1fr; }

  .form-row{ grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .fade-in{ transition:none; opacity:1; transform:none; }
  .btn{ transition:none; }
  .project-card, .skills li{ transition:none; }
  .profile-img{ animation:none; }
}

/* Core Stack Styling */

.core-tech {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.core-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  transition: transform 0.3s ease, border-color 0.3s ease;
  font-weight: 600;
}

.core-item:hover {
  transform: translateY(-4px);
  border-color: rgba(122,162,255,0.4);
}

.core-item i {
  font-size: 20px;
}

/* Featured Project Styling */

.featured-project {
  border: 1px solid rgba(185, 140, 255, 0.5);
  box-shadow: 0 0 25px rgba(185, 140, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.featured-project::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(185, 140, 255, 0.15) 0%, transparent 70%);
  animation: glowMove 6s linear infinite;
  pointer-events: none;
  z-index: 0;
}

.featured-project > * {
  position: relative;
  z-index: 1;
}

@keyframes glowMove {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.project-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 10px;
}

.project-badge.ai {
  border-color: rgba(185, 140, 255, 0.32);
  background: rgba(185, 140, 255, 0.10);
}

/* Timeline Style */

.timeline {
  position: relative;
  padding-left: 30px;
  border-left: 2px solid rgba(255,255,255,0.1);
}

.timeline-item {
  margin-bottom: 30px;
  position: relative;
}

.timeline-dot {
  display: none;
  width: 12px;
  height: 12px;
  background: var(--accentA);
  border-radius: 50%;
  position: absolute;
  left: -7px;
  top: 5px;
  box-shadow: 0 0 10px rgba(122,162,255,0.6);
}

.timeline-content h3 {
  margin-bottom: 5px;
}

/* AI Glow Effect */

.ai-indicator {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 10px;
  font-size: 12px;
  border-radius: 20px;
  background: rgba(185, 140, 255, 0.15);
  color: var(--accentB);
  border: 1px solid rgba(185, 140, 255, 0.4);
  animation: pulseGlow 2.5s infinite;
}

@keyframes pulseGlow {
  0% { box-shadow: 0 0 5px rgba(185,140,255,0.4); }
  50% { box-shadow: 0 0 20px rgba(185,140,255,0.8); }
  100% { box-shadow: 0 0 5px rgba(185,140,255,0.4); }
}

/* Professional Internship Styling */

.internship-wrapper {
  display: flex;
  flex-direction: column;
  gap: 35px;
}

.intern-card {
  padding: 28px;
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  position: relative;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.intern-card:hover {
  transform: translateY(-6px);
  border-color: rgba(122,162,255,0.4);
}

.intern-card h3 {
  margin-bottom: 10px;
  font-size: 20px;
  font-weight: 600;
}

.intern-card p {
  margin: 6px 0;
}

.intern-impact {
  margin-top: 12px;
  font-weight: 600;
  color: #7aa2ff;
}

.ongoing-intern {
  border-color: rgba(122,162,255,0.45);
  box-shadow: 0 0 22px rgba(122,162,255,0.12);
}

.intern-corner-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(122,162,255,0.12);
  color: #7aa2ff;
  border: 1px solid rgba(122,162,255,0.30);
}