/* ═══════════════════════════════════════════════
   SREE HARSHAN PORTFOLIO — NEURAL DARK THEME
   Palette: #050810 bg · #0a0f1e surface · #7c3aed purple
            #06b6d4 cyan · #f0f4ff text · #3b82f6 blue
   Type: Syne (display) · Space Grotesk (body) · JetBrains Mono (code)
═══════════════════════════════════════════════ */

:root {
  --bg:       #050810;
  --surface:  #0a0f1e;
  --border:   rgba(124,58,237,0.18);
  --purple:   #7c3aed;
  --cyan:     #06b6d4;
  --blue:     #3b82f6;
  --text:     #f0f4ff;
  --muted:    #8b9abe;
  --accent:   #a78bfa;
  --glow-p:   rgba(124,58,237,0.35);
  --glow-c:   rgba(6,182,212,0.25);
  --font-display: 'Bricolage Grotesque', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
  --ease-out: cubic-bezier(0.16,1,0.3,1);
}

*, *::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-body);
  font-size: clamp(15px,1.1vw,17px);
  line-height: 1.65;
  overflow-x: hidden;
  cursor: none;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.mono { font-family: var(--font-mono); font-size: 0.8em; letter-spacing: 0.04em; }

#neural-canvas {
  position: fixed; inset: 0; z-index: 1;
  pointer-events: none; opacity: 0.45;
}

/* All page content sits above the canvas */
#page-wrap {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  /* transparent — canvas glows bleed through body bg naturally */
}

#cursor-dot {
  position: fixed; width: 6px; height: 6px;
  background: var(--cyan); border-radius: 50%;
  pointer-events: none; z-index: 99999;
  transform: translate(-50%,-50%);
  mix-blend-mode: screen;
}
#cursor-ring {
  position: fixed; width: 32px; height: 32px;
  border: 1.5px solid var(--purple); border-radius: 50%;
  pointer-events: none; z-index: 99998;
  transform: translate(-50%,-50%);
  transition: width 0.35s var(--ease-out), height 0.35s var(--ease-out), border-color 0.2s;
}
.cursor-hovered #cursor-ring { width: 56px; height: 56px; border-color: var(--cyan); }

#loader {
  position: fixed; inset: 0; background: var(--bg);
  z-index: 100000; display: flex; align-items: center; justify-content: center;
}
.loader-inner { text-align: center; width: 260px; }
.loader-bar-wrap { height: 2px; background: rgba(255,255,255,0.07); border-radius: 2px; overflow: hidden; margin-bottom: 16px; }
.loader-bar { height: 100%; width: 0%; background: linear-gradient(90deg, var(--purple), var(--cyan)); border-radius: 2px; }
.loader-text { color: var(--muted); font-size: 0.75rem; margin-bottom: 6px; font-family: var(--font-mono); }
.loader-percent { color: var(--cyan); font-size: 1.5rem; font-weight: 700; font-family: var(--font-mono); }

#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 5vw;
  backdrop-filter: blur(12px);
  background: rgba(5,8,16,0.6);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, padding 0.3s;
}
#nav.scrolled { border-color: var(--border); padding: 14px 5vw; }
.nav-logo { font-family: var(--font-display); font-size: 1.3rem; font-weight: 800; color: var(--accent); }
.nav-links { display: flex; gap: 36px; }
.nav-links a { font-size: 0.85rem; font-weight: 500; color: var(--muted); letter-spacing: 0.04em; position: relative; transition: color 0.2s; }
.nav-links a::after { content: ''; position: absolute; bottom: -3px; left: 0; width: 0; height: 1px; background: var(--cyan); transition: width 0.3s var(--ease-out); }
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.glitch { position: relative; animation: glitch-base 4s infinite; }
.glitch::before, .glitch::after { content: attr(data-text); position: absolute; top: 0; left: 0; opacity: 0; }
.glitch::before { color: var(--cyan); clip-path: polygon(0 0,100% 0,100% 40%,0 40%); animation: glitch-top 4s infinite; }
.glitch::after { color: var(--purple); clip-path: polygon(0 60%,100% 60%,100% 100%,0 100%); animation: glitch-bot 4s infinite; }
@keyframes glitch-base { 0%,95%,100%{transform:none} 96%{transform:skewX(-3deg)} 97%{transform:skewX(3deg)} }
@keyframes glitch-top  { 0%,94%,100%{opacity:0;transform:none} 95%{opacity:0.8;transform:translateX(-4px)} 96%{opacity:0.8;transform:translateX(4px)} 97%{opacity:0} }
@keyframes glitch-bot  { 0%,96%,100%{opacity:0;transform:none} 97%{opacity:0.8;transform:translateX(4px)} 98%{opacity:0;transform:none} }

.section { position: relative; z-index: 2; max-width: 1200px; margin: 0 auto; padding: 120px 5vw; }
.section-header { margin-bottom: 16px; }
.section-tag { color: var(--cyan); font-size: 0.75rem; letter-spacing: 0.1em; font-family: var(--font-mono); }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800; line-height: 1.08; letter-spacing: -0.02em; margin-bottom: 56px;
  background: linear-gradient(135deg, var(--text) 40%, var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.reveal-up { opacity: 0; transform: translateY(40px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); transition-delay: var(--delay, 0s); }
.reveal-up.visible { opacity: 1; transform: none; }
.reveal-right { opacity: 0; transform: translateX(50px); transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out); }
.reveal-right.visible { opacity: 1; transform: none; }

#hero {
  position: relative; z-index: 2; min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 140px 5vw 80px; max-width: 1200px; margin: 0 auto;
}
.hero-eyebrow { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 0.78rem; letter-spacing: 0.08em; margin-bottom: 28px; font-family: var(--font-mono); }
.hero-eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); animation: pulse-dot 2s ease-in-out infinite; }
@keyframes pulse-dot { 0%,100%{box-shadow:0 0 6px var(--cyan)} 50%{box-shadow:0 0 20px var(--cyan), 0 0 40px rgba(6,182,212,0.4)} }
.hero-name { display: flex; flex-direction: column; font-family: var(--font-display); font-size: clamp(3.2rem,7.5vw,7rem); font-weight: 800; line-height: 0.92; letter-spacing: -0.02em; margin-bottom: 28px; }
.name-line { display: block; background: linear-gradient(135deg, #fff 0%, var(--accent) 60%, var(--cyan) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; transform-origin: left center; }
.hero-sub { font-size: clamp(1rem, 1.6vw, 1.25rem); color: var(--muted); max-width: 480px; margin-bottom: 40px; line-height: 1.7; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 60px; }

.btn-primary { display: inline-flex; align-items: center; padding: 14px 32px; background: linear-gradient(135deg, var(--purple), var(--blue)); border-radius: 4px; font-weight: 600; font-size: 0.9rem; letter-spacing: 0.04em; position: relative; overflow: hidden; transition: transform 0.2s, box-shadow 0.2s; }
.btn-primary::after { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.1); opacity: 0; transition: opacity 0.2s; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(124,58,237,0.45); }
.btn-primary:hover::after { opacity: 1; }
.btn-ghost { display: inline-flex; align-items: center; padding: 14px 32px; border: 1px solid var(--border); border-radius: 4px; font-weight: 500; font-size: 0.9rem; color: var(--muted); transition: color 0.2s, border-color 0.2s, transform 0.2s; }
.btn-ghost:hover { color: var(--text); border-color: var(--accent); transform: translateY(-2px); }

.hero-badge-cluster { position: absolute; right: 5vw; top: 50%; transform: translateY(-50%); display: grid; grid-template-columns: 1fr 1fr; gap: 12px; pointer-events: none; }
.badge { padding: 10px 18px; border: 1px solid var(--border); border-radius: 40px; background: rgba(10,15,30,0.6); backdrop-filter: blur(8px); font-size: 0.72rem; color: var(--accent); white-space: nowrap; box-shadow: 0 0 20px rgba(124,58,237,0.1); font-family: var(--font-mono); }
.float-a { animation: float 5s ease-in-out infinite; }
.float-b { animation: float 5s ease-in-out infinite 0.8s; }
.float-c { animation: float 5s ease-in-out infinite 1.6s; }
.float-d { animation: float 5s ease-in-out infinite 2.4s; }
.float-e { animation: float 5s ease-in-out infinite 3.2s; grid-column: span 2; justify-self: center; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }

.hero-stats { display: flex; gap: 48px; border-top: 1px solid var(--border); padding-top: 32px; }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-num { font-family: var(--font-display); font-size: 2.4rem; font-weight: 800; color: var(--cyan); line-height: 1; }
.stat-label { font-size: 0.75rem; color: var(--muted); letter-spacing: 0.05em; }

.scroll-hint { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 10px; color: var(--muted); font-size: 0.7rem; letter-spacing: 0.12em; animation: fade-scroll 1.5s ease-in-out infinite alternate; font-family: var(--font-mono); }
.scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, var(--cyan), transparent); }
@keyframes fade-scroll { from{opacity:0.4} to{opacity:1} }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.about-body { color: var(--muted); margin-bottom: 16px; }
.about-links { display: flex; flex-direction: column; gap: 10px; margin-top: 28px; }
.link-pill { display: inline-flex; align-items: center; padding: 8px 16px; border: 1px solid var(--border); border-radius: 4px; font-size: 0.78rem; color: var(--muted); transition: color 0.2s, border-color 0.2s, background 0.2s; width: fit-content; font-family: var(--font-mono); }
.link-pill:hover { color: var(--cyan); border-color: var(--cyan); background: rgba(6,182,212,0.05); }

.about-card { position: relative; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--surface); }
.card-glow { position: absolute; top: -60px; right: -60px; width: 200px; height: 200px; background: radial-gradient(circle, var(--glow-p), transparent 70%); pointer-events: none; }
.card-content { padding: 28px 32px; }
.card-row { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.04); font-size: 0.88rem; }
.card-row:last-child { border-bottom: none; }
.card-row .label { color: var(--muted); }
.status-green { color: #4ade80; font-size: 0.82rem; }

.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px,1fr)); gap: 20px; }
.skill-block { padding: 28px 24px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); position: relative; overflow: hidden; transition: border-color 0.3s, transform 0.3s; }
.skill-block::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(124,58,237,0.06), transparent); opacity: 0; transition: opacity 0.3s; }
.skill-block:hover { border-color: var(--purple); transform: translateY(-4px); }
.skill-block:hover::before { opacity: 1; }
.skill-icon { font-size: 1.5rem; margin-bottom: 12px; }
.skill-category { font-family: var(--font-display); font-size: 1rem; font-weight: 700; margin-bottom: 14px; color: var(--text); }
.skill-pills { display: flex; flex-wrap: wrap; gap: 6px; }
.pill { padding: 4px 10px; border: 1px solid rgba(255,255,255,0.08); border-radius: 20px; font-size: 0.73rem; color: var(--muted); background: rgba(255,255,255,0.03); transition: color 0.2s, border-color 0.2s; }
.pill.accent { border-color: rgba(124,58,237,0.35); color: var(--accent); background: rgba(124,58,237,0.08); }

.timeline { position: relative; padding-left: 40px; }
.timeline-track { position: absolute; left: 8px; top: 16px; bottom: 16px; width: 1px; background: linear-gradient(to bottom, var(--purple), var(--cyan), transparent); }
.timeline-item { position: relative; margin-bottom: 48px; }
.timeline-dot { position: absolute; left: -36px; top: 20px; width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--purple); background: var(--bg); box-shadow: 0 0 14px var(--glow-p); animation: dot-pulse 3s ease-in-out infinite; }
@keyframes dot-pulse { 0%,100%{box-shadow:0 0 6px var(--glow-p)} 50%{box-shadow:0 0 24px var(--glow-p)} }
.timeline-card { position: relative; border: 1px solid var(--border); border-radius: 12px; padding: 28px 32px; background: var(--surface); overflow: hidden; transition: border-color 0.3s; }
.timeline-card:hover { border-color: var(--purple); }
.tcard-glow { position: absolute; top: -40px; left: -40px; width: 160px; height: 160px; background: radial-gradient(circle, var(--glow-p), transparent 70%); pointer-events: none; }
.tcard-head { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.tcard-role { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; }
.tcard-company { font-size: 0.84rem; color: var(--cyan); }
.tcard-date { font-size: 0.75rem; color: var(--muted); white-space: nowrap; margin-top: 4px; font-family: var(--font-mono); }
.tcard-list { padding-left: 18px; list-style: disc; display: flex; flex-direction: column; gap: 10px; }
.tcard-list li { color: var(--muted); font-size: 0.9rem; line-height: 1.6; }
.tcard-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.tag { padding: 4px 12px; border: 1px solid rgba(6,182,212,0.25); border-radius: 4px; font-size: 0.72rem; color: var(--cyan); background: rgba(6,182,212,0.05); }

.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px,1fr)); gap: 24px; }
.project-card { position: relative; border: 1px solid var(--border); border-radius: 12px; padding: 32px; background: var(--surface); overflow: hidden; cursor: pointer; transition: border-color 0.3s, transform 0.3s; }
.project-card:hover { border-color: var(--cyan); transform: translateY(-6px); }
.project-card:hover .proj-glow { opacity: 1; }
.project-card:hover .proj-arrow { transform: translate(4px,-4px); color: var(--cyan); }
.proj-glow { position: absolute; top: -50px; right: -50px; width: 180px; height: 180px; background: radial-gradient(circle, var(--glow-c), transparent 70%); pointer-events: none; opacity: 0; transition: opacity 0.4s; }
.proj-number { color: var(--purple); font-size: 0.75rem; margin-bottom: 16px; letter-spacing: 0.1em; font-family: var(--font-mono); }
.proj-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; line-height: 1.3; }
.proj-desc { font-size: 0.87rem; color: var(--muted); line-height: 1.65; margin-bottom: 20px; }
.proj-stack { display: flex; flex-wrap: wrap; gap: 6px; }
.proj-stack span { padding: 3px 10px; border: 1px solid rgba(255,255,255,0.07); border-radius: 20px; font-size: 0.7rem; color: var(--muted); background: rgba(255,255,255,0.03); }
.proj-arrow { position: absolute; top: 28px; right: 28px; font-size: 1.2rem; color: var(--muted); transition: transform 0.3s var(--ease-out), color 0.3s; }

#contact { position: relative; z-index: 2; max-width: 1200px; margin: 0 auto; padding: 120px 5vw 80px; }
.contact-inner { max-width: 640px; }
.contact-heading { font-family: var(--font-display); font-size: clamp(2.6rem,6vw,5rem); font-weight: 800; line-height: 0.95; letter-spacing: -0.02em; margin-bottom: 24px; background: linear-gradient(135deg, var(--text), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.contact-sub { color: var(--muted); margin-bottom: 40px; font-size: 1rem; }
.contact-links { display: flex; flex-direction: column; gap: 12px; }
.contact-btn { display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; border: 1px solid var(--border); border-radius: 8px; font-size: 0.95rem; transition: background 0.2s, border-color 0.2s, transform 0.2s; }
.contact-btn:hover { background: rgba(124,58,237,0.08); border-color: var(--purple); transform: translateX(6px); }

footer { position: relative; z-index: 2; max-width: 1200px; margin: 0 auto; padding: 24px 5vw; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; font-size: 0.75rem; color: var(--muted); font-family: var(--font-mono); }

@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } .hero-badge-cluster { display: none; } .hero-stats { gap: 28px; } }
@media (max-width: 640px) { .nav-links { display: none; } .hero-name { font-size: clamp(3.2rem,14vw,5rem); } .hero-stats { flex-wrap: wrap; gap: 20px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }