/* ============================================
   NEERAJ DHAMANE — PORTFOLIO v2
   ============================================ */

:root {
  --font-display: 'Syne', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --font-serif: 'Instrument Serif', serif;
  --t: 0.35s cubic-bezier(0.4,0,0.2,1);
  --radius: 16px;
}

[data-theme="dark"] {
  --bg: #0d0d0d;
  --bg2: #111;
  --card: #161616;
  --card-hover: #1c1c1c;
  --border: rgba(255,255,255,0.07);
  --border-h: rgba(255,255,255,0.16);
  --text: #e6e6e6;
  --sub: #888;
  --muted: #555;
  --accent: #c8f55a;
  --accent-dim: rgba(200,245,90,0.1);
  --green: #4ade80;
  --blue: #7dd3fc;
  --glow: rgba(200,245,90,0.5);
  --shadow: 0 12px 48px rgba(0,0,0,0.55);
}

[data-theme="light"] {
  --bg: #f5f1e8;
  --bg2: #ede9df;
  --card: #ffffff;
  --card-hover: #f9f6f0;
  --border: rgba(0,0,0,0.09);
  --border-h: rgba(0,0,0,0.2);
  --text: #1a1a1a;
  --sub: #666;
  --muted: #aaa;
  --accent: #3a7d00;
  --accent-dim: rgba(58,125,0,0.08);
  --green: #16a34a;
  --blue: #0369a1;
  --glow: rgba(255,195,30,0.6);
  --shadow: 0 12px 48px rgba(0,0,0,0.1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-display);font-size:17px;line-height:1.7;transition:background var(--t),color var(--t);overflow-x:hidden}
a{color:inherit;text-decoration:none}
ul{list-style:none}
img{display:block}

.mono{font-family:var(--font-mono)}
.serif-italic{font-family:var(--font-serif);font-style:italic}
.accent-text{color:var(--accent)}

.container{max-width:1100px;margin:0 auto;padding:0 3rem}
.section{padding:110px 0}

/* ============================================
   THEME TOGGLE — CORD PULL
   ============================================ */
.theme-toggle-wrap{position:fixed;top:0;right:2.5rem;z-index:1000;display:flex;flex-direction:column;align-items:center}
.cord-line{width:2px;height:56px;background:repeating-linear-gradient(to bottom,var(--muted) 0,var(--muted) 5px,transparent 5px,transparent 10px)}
.cord-pull{background:var(--card);border:1.5px solid var(--border);border-radius:50%;width:46px;height:46px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text);transition:all var(--t);box-shadow:var(--shadow)}
.cord-pull svg{width:22px;height:22px}
.cord-pull:hover{border-color:var(--accent);color:var(--accent);transform:translateY(5px);box-shadow:0 0 22px var(--glow)}
.cord-pull:active{transform:translateY(12px)}
.cord-pull.pulled{animation:cordPull .35s ease}
@keyframes cordPull{0%{transform:translateY(0)}40%{transform:translateY(14px)}70%{transform:translateY(4px)}100%{transform:translateY(0)}}
[data-theme="light"] .cord-pull{border-color:#e6b800;color:#c49a00;box-shadow:0 0 20px var(--glow)}

/* ============================================
   SIDE NAV CIRCLE
   ============================================ */
.side-circle-nav{position:fixed;left:1.8rem;top:50%;transform:translateY(-50%);z-index:900}
.nav-circle{width:50px;height:50px;border-radius:50%;border:1.5px solid var(--border);background:var(--card);display:flex;align-items:center;justify-content:center;transition:all .4s ease;box-shadow:var(--shadow);overflow:hidden}
.nav-circle:hover{width:160px;height:160px;border-color:var(--border-h)}
.nav-dots{display:flex;flex-direction:column;gap:7px;align-items:flex-start;padding:0 12px}
.nav-dot{display:flex;align-items:center;gap:10px;position:relative}
.nav-dot span{width:7px;height:7px;border-radius:50%;background:var(--muted);display:block;flex-shrink:0;transition:all var(--t)}
.nav-dot:hover span,.nav-dot.active span{background:var(--accent);transform:scale(1.5);box-shadow:0 0 8px var(--accent)}
.nav-dot::after{content:attr(data-label);font-family:var(--font-mono);font-size:10px;color:var(--sub);white-space:nowrap;opacity:0;transition:opacity .2s}
.nav-circle:hover .nav-dot::after{opacity:1}

/* ============================================
   HERO
   ============================================ */
.hero-section{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:0 3rem}
.hero-bg-text{position:absolute;bottom:-0.05em;right:-0.05em;font-size:clamp(100px,22vw,280px);font-weight:800;color:transparent;-webkit-text-stroke:1px var(--border);line-height:1;pointer-events:none;user-select:none;letter-spacing:-0.04em;transition:-webkit-text-stroke var(--t)}
.hero-inner{display:flex;align-items:center;gap:5rem;z-index:1;max-width:1100px;width:100%}

/* Photo */
.hero-photo-wrap{position:relative;flex-shrink:0}
.photo-circle{width:200px;height:200px;border-radius:50%;overflow:hidden;position:relative;cursor:pointer;box-shadow:0 0 0 3px var(--accent),0 0 40px var(--accent-dim)}
.photo-real,.photo-anime{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .5s ease}
.photo-real{opacity:0;z-index:1}
.photo-anime{opacity:1;z-index:2}
.photo-circle:hover .photo-anime{opacity:0}
.photo-circle:hover .photo-real{opacity:1}
.photo-ring{position:absolute;inset:-8px;border-radius:50%;border:1px solid var(--border);pointer-events:none}

/* Hero text */
.hero-content{flex:1}
.hero-tag{font-size:12px;color:var(--accent);letter-spacing:.14em;text-transform:uppercase;margin-bottom:1.2rem;display:flex;align-items:center;gap:8px}
.blink{animation:blink 1.1s step-end infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
.hero-name{font-size:clamp(60px,9vw,110px);font-weight:800;line-height:.95;letter-spacing:-.03em;margin-bottom:1.2rem;display:flex;flex-direction:column}
.reveal-line{display:block;animation:slideUp .7s cubic-bezier(.16,1,.3,1) both}
.delay-1{animation-delay:.12s}
@keyframes slideUp{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}
.hero-subtitle{font-size:13px;color:var(--sub);letter-spacing:.1em;text-transform:uppercase;margin-bottom:1rem}
.hero-desc{font-size:18px;color:var(--sub);max-width:500px;line-height:1.65;margin-bottom:2.2rem}
.hero-links{display:flex;gap:.85rem;flex-wrap:wrap;align-items:center}

.btn-pill{background:var(--accent);color:#0d0d0d;padding:.7rem 1.6rem;border-radius:100px;font-weight:700;font-size:14px;letter-spacing:.04em;transition:all var(--t);display:inline-flex;align-items:center;gap:6px}
.btn-pill:hover{transform:translateY(-2px);box-shadow:0 8px 28px var(--accent-dim)}
.btn-pill.large{padding:1rem 2.2rem;font-size:15px}
.btn-outline{border:1.5px solid var(--border);color:var(--sub);padding:.65rem 1.3rem;border-radius:100px;font-size:14px;transition:all var(--t);display:inline-flex;align-items:center;gap:7px}
.btn-outline:hover{border-color:var(--border-h);color:var(--text);transform:translateY(-2px)}

.hero-scroll{position:absolute;bottom:2.5rem;left:50%;transform:translateX(-50%);font-size:11px;color:var(--muted);letter-spacing:.16em;animation:float 2.5s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(7px)}}

/* ============================================
   SECTION COMMON
   ============================================ */
.section-label{font-size:11px;color:var(--muted);letter-spacing:.18em;text-transform:uppercase;margin-bottom:1rem}
.section-heading{font-size:clamp(40px,6vw,72px);font-weight:800;line-height:1.05;letter-spacing:-.03em;margin-bottom:3.5rem}

/* ============================================
   PROJECTS
   ============================================ */
.projects-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.project-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;transition:all var(--t);position:relative;overflow:hidden}
.project-card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--accent-dim) 0%,transparent 60%);opacity:0;transition:opacity var(--t)}
.project-card:hover{border-color:var(--border-h);transform:translateY(-5px);box-shadow:var(--shadow)}
.project-card:hover::before{opacity:1}
.project-card.featured{border-color:rgba(200,245,90,.18)}
[data-theme="light"] .project-card.featured{border-color:rgba(58,125,0,.18)}

.project-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.2rem}
.project-type{font-size:10px;color:var(--accent);text-transform:uppercase;letter-spacing:.14em}
.project-icons{display:flex;gap:10px}
.project-icons a{color:var(--sub);transition:color var(--t)}
.project-icons a:hover{color:var(--accent)}
.project-name{font-size:26px;font-weight:800;margin-bottom:.7rem;letter-spacing:-.02em}
.project-desc{font-size:15px;color:var(--sub);line-height:1.65;margin-bottom:1.2rem}
.project-tech{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:1.4rem}
.project-tech span{font-family:var(--font-mono);font-size:11px;background:var(--bg2);border-radius:5px;padding:3px 10px;color:var(--muted)}
.project-live-btn{display:inline-block;font-family:var(--font-mono);font-size:12px;color:var(--accent);border:1px solid var(--accent);border-radius:100px;padding:5px 14px;transition:all var(--t)}
.project-live-btn:hover{background:var(--accent);color:#000}
.project-live-btn.muted{color:var(--muted);border-color:var(--border);cursor:default}
.project-live-btn.muted:hover{background:transparent;color:var(--muted)}

/* ============================================
   SKILLS
   ============================================ */
.skills-section{background:var(--bg2)}
.skills-groups{display:flex;flex-direction:column;gap:2.5rem}
.skill-group-label{font-size:11px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase;margin-bottom:.9rem;font-family:var(--font-mono)}
.skill-tags{display:flex;flex-wrap:wrap;gap:.6rem}
.skill-tag{display:flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:8px 14px;font-size:13px;color:var(--sub);transition:all var(--t);cursor:default}
.skill-tag:hover{border-color:var(--border-h);color:var(--text);transform:translateY(-2px);box-shadow:var(--shadow)}
.skill-tag img{width:20px;height:20px;object-fit:contain}
.invert-icon{filter:invert(1)}
[data-theme="light"] .invert-icon{filter:invert(0)}

/* ============================================
   EXPERIENCE & CERTS
   ============================================ */
.exp-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}
.exp-block-label{font-family:var(--font-mono);font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.14em;margin-bottom:1.5rem}
.exp-card{display:flex;gap:1.2rem;margin-bottom:2rem;position:relative}
.exp-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;margin-top:6px;background:var(--muted);border:2px solid var(--bg)}
.exp-dot.active{background:var(--accent);box-shadow:0 0 10px var(--accent);animation:pulse 2s ease infinite}
.exp-dot.cert{background:var(--blue)}
.exp-dot.ongoing{background:var(--green);box-shadow:0 0 10px var(--green);animation:pulse2 2s ease infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 6px var(--accent)}50%{box-shadow:0 0 18px var(--accent)}}
@keyframes pulse2{0%,100%{box-shadow:0 0 6px var(--green)}50%{box-shadow:0 0 18px var(--green)}}

.exp-meta{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:.3rem}
.exp-role{font-size:19px;font-weight:700;margin-bottom:.2rem}
.exp-company{font-family:var(--font-mono);font-size:13px;color:var(--accent);margin-bottom:.7rem}
.exp-bullets li{font-size:14px;color:var(--sub);padding:3px 0 3px 1rem;position:relative}
.exp-bullets li::before{content:'–';position:absolute;left:0;color:var(--muted)}
.exp-desc{font-size:14px;color:var(--sub)}
.cert-card{padding-bottom:.5rem;border-bottom:1px solid var(--border)}
.cert-card:last-child{border-bottom:none}

/* ============================================
   HEATMAPS
   ============================================ */
.heatmaps-section{background:var(--bg2)}
.heatmaps-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}
.heatmap-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.8rem;transition:all var(--t)}
.heatmap-card:hover{border-color:var(--border-h);box-shadow:var(--shadow)}
.heatmap-header{display:flex;align-items:center;gap:8px;margin-bottom:1.2rem;font-size:13px;color:var(--sub)}
.heatmap-header svg{flex-shrink:0;color:var(--accent)}
.heatmap-img-wrap{overflow:hidden;border-radius:8px;background:var(--bg2);padding:.5rem}
.heatmap-img{width:100%;height:auto;display:block;border-radius:6px}
.leetcode-img{min-height:180px;object-fit:cover}
.heatmap-link{display:inline-block;margin-top:1rem;font-size:12px;color:var(--accent);letter-spacing:.08em;transition:opacity var(--t)}
.heatmap-link:hover{opacity:.7}

/* ============================================
   CONTACT
   ============================================ */
.contact-section{text-align:center}
.contact-inner{max-width:620px;margin:0 auto}
.contact-heading{font-size:clamp(40px,7vw,80px);font-weight:800;line-height:1.05;letter-spacing:-.03em;margin-bottom:1.2rem}
.contact-sub{font-size:17px;color:var(--sub);line-height:1.65;margin-bottom:2.5rem}
.contact-actions{display:flex;flex-direction:column;align-items:center;gap:1.5rem}
.contact-socials{display:flex;gap:1.5rem;flex-wrap:wrap;justify-content:center}
.social-link{display:flex;align-items:center;gap:7px;font-family:var(--font-mono);font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;transition:color var(--t)}
.social-link:hover{color:var(--accent)}

/* ============================================
   FOOTER
   ============================================ */
.footer{border-top:1px solid var(--border);padding:2rem 3rem}
.footer-inner{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}

/* ============================================
   SCROLL REVEAL
   ============================================ */
.will-reveal{opacity:0;transform:translateY(28px);transition:opacity .65s ease,transform .65s ease}
.will-reveal.visible{opacity:1;transform:translateY(0)}

/* ============================================
   SCROLLBAR & SELECTION
   ============================================ */
::selection{background:var(--accent);color:#000}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--border-h);border-radius:2px}

/* ============================================
   RESPONSIVE — TABLET
   ============================================ */
@media (max-width:900px){
  .container{padding:0 2rem}
  .hero-inner{flex-direction:column;gap:2.5rem;text-align:center;padding-top:5rem}
  .hero-links{justify-content:center}
  .hero-desc{margin:0 auto 2rem}
  .photo-circle{width:160px;height:160px}
  .projects-grid{grid-template-columns:1fr}
  .exp-grid{grid-template-columns:1fr}
  .heatmaps-grid{grid-template-columns:1fr}
  .side-circle-nav{display:none}
  .hero-section{padding:0 2rem}
}

/* ============================================
   RESPONSIVE — MOBILE
   ============================================ */
@media (max-width:600px){
  .container{padding:0 1.2rem}
  .section{padding:70px 0}
  .hero-section{padding:0 1.2rem;min-height:100svh}
  .hero-name{font-size:clamp(48px,16vw,80px)}
  .hero-desc{font-size:15px}
  .section-heading{font-size:clamp(32px,10vw,52px)}
  .theme-toggle-wrap{right:1.2rem}
  .hero-bg-text{font-size:clamp(80px,30vw,160px)}
  .project-name{font-size:22px}
  .contact-heading{font-size:clamp(34px,11vw,60px)}
  .footer{padding:1.5rem 1.2rem}
  .footer-inner{flex-direction:column;gap:.4rem;text-align:center}
  .hero-links{gap:.6rem}
  .btn-pill,.btn-outline{font-size:13px;padding:.6rem 1.1rem}
  .photo-circle{width:140px;height:140px}
  .skill-tag{font-size:12px;padding:6px 11px}
  .skill-tag img{width:17px;height:17px}
}