/* ============================================================
   Variables & Reset
   ============================================================ */
:root {
  --bg:           #050510;
  --bg2:          #0a0a1a;
  --card:         rgba(255,255,255,0.03);
  --cyan:         #00f5ff;
  --purple:       #7b2fff;
  --pink:         #ff2d7a;
  --text:         #e8e8ff;
  --muted:        #6e6e9a;
  --border:       rgba(0,245,255,0.12);
  --glow-c:       0 0 24px rgba(0,245,255,0.35);
  --glow-p:       0 0 24px rgba(123,47,255,0.35);
  --font-d:       'Orbitron', sans-serif;
  --font-b:       'Rajdhani', sans-serif;
  --font-m:       'Space Mono', monospace;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html { scroll-behavior:smooth; font-size:16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-b);
  overflow-x: hidden;
  cursor: none;
}

::-webkit-scrollbar { width:3px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:var(--cyan); border-radius:2px; }

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

/* ============================================================
   Custom Cursor
   ============================================================ */
.cursor {
  width:8px; height:8px;
  background:var(--cyan);
  border-radius:50%;
  position:fixed;
  pointer-events:none;
  z-index:9999;
  transform:translate(-50%,-50%);
  transition:transform 0.08s;
  box-shadow:var(--glow-c);
}
.cursor-follower {
  width:30px; height:30px;
  border:1px solid rgba(0,245,255,0.45);
  border-radius:50%;
  position:fixed;
  pointer-events:none;
  z-index:9998;
  transform:translate(-50%,-50%);
  transition:transform 0.14s, width 0.2s, height 0.2s, border-color 0.2s;
}
.cursor.hover { transform:translate(-50%,-50%) scale(2.5); }
.cursor-follower.hover { width:44px; height:44px; border-color:rgba(123,47,255,0.6); }

/* ============================================================
   Navigation
   ============================================================ */
.nav {
  position:fixed; top:0; left:0; right:0;
  z-index:1000;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:1.4rem 5rem;
  transition:background 0.35s, backdrop-filter 0.35s, border-color 0.35s;
}
.nav.scrolled {
  background:rgba(5,5,16,0.88);
  backdrop-filter:blur(22px);
  border-bottom:1px solid var(--border);
}
.nav-logo {
  font-family:var(--font-d);
  font-size:1.3rem; font-weight:900;
  color:var(--cyan);
  letter-spacing:0.08em;
  text-shadow:var(--glow-c);
}
.nav-links {
  display:flex; list-style:none; gap:2.5rem;
}
.nav-links a {
  font-family:var(--font-m);
  font-size:0.7rem;
  letter-spacing:0.2em;
  text-transform:uppercase;
  color:var(--muted);
  transition:color 0.25s;
}
.nav-links a:hover { color:var(--cyan); text-shadow:var(--glow-c); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  font-family:var(--font-m);
  font-size:0.72rem;
  letter-spacing:0.22em;
  text-transform:uppercase;
  padding:0.85rem 2.2rem;
  display:inline-block;
  cursor:pointer;
  border:none;
  position:relative;
  overflow:hidden;
  transition:color 0.3s, box-shadow 0.3s;
}
.btn-primary {
  border:1px solid var(--cyan);
  color:var(--cyan);
  background:transparent;
}
.btn-primary::after {
  content:'';
  position:absolute; inset:0;
  background:var(--cyan);
  transform:translateX(-101%);
  transition:transform 0.28s cubic-bezier(0.25,1,0.5,1);
  z-index:-1;
}
.btn-primary:hover { color:var(--bg); box-shadow:var(--glow-c); }
.btn-primary:hover::after { transform:translateX(0); }

.btn-ghost {
  border:1px solid rgba(255,255,255,0.1);
  color:var(--muted);
  background:transparent;
}
.btn-ghost:hover { border-color:var(--purple); color:var(--purple); box-shadow:var(--glow-p); }

/* ============================================================
   Section Commons
   ============================================================ */
.container { max-width:1200px; margin:0 auto; padding:0 4rem; }

section { padding:8rem 0; position:relative; }

.section-header {
  display:flex; align-items:center; gap:1.4rem;
  margin-bottom:5rem;
}
.sec-num {
  font-family:var(--font-m); font-size:0.7rem;
  color:var(--cyan); letter-spacing:0.12em;
}
.sec-title {
  font-family:var(--font-d);
  font-size:clamp(2rem,3.5vw,2.8rem);
  font-weight:700; letter-spacing:0.05em;
}
.sec-line {
  flex:1; height:1px;
  background:linear-gradient(to right, var(--border), transparent);
}

/* Fade-in-up utility */
.fade-up {
  opacity:0; transform:translateY(28px);
  transition:opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.visible { opacity:1; transform:translateY(0); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position:relative; height:100vh;
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
}
#hero-canvas {
  position:absolute; inset:0;
  width:100%; height:100%;
  z-index:0;
}
.hero-content {
  position:relative; z-index:2;
  text-align:center;
  padding:0 2rem;
  display:flex; flex-direction:column; align-items:center; gap:1.6rem;
}
.hero-label {
  font-family:var(--font-m); font-size:0.68rem;
  letter-spacing:0.5em;
  color:var(--cyan);
  opacity:0; animation:fadeUp 0.8s 0.3s forwards;
}
.hero-title {
  font-family:var(--font-d);
  font-size:clamp(3.5rem,8vw,7rem);
  font-weight:900; line-height:1;
  letter-spacing:0.04em;
  opacity:0; animation:fadeUp 0.8s 0.5s forwards;
}
.hero-name { display:block; }
.hero-name.outline {
  color:transparent;
  -webkit-text-stroke:2px var(--cyan);
  filter:drop-shadow(0 0 18px var(--cyan));
}
.hero-subtitle {
  font-size:1.05rem; color:var(--muted); max-width:480px; line-height:1.7;
  opacity:0; animation:fadeUp 0.8s 0.7s forwards;
}

/* Video Frame */
.video-frame {
  position:relative;
  width:min(680px,90vw);
  aspect-ratio:16/9;
  opacity:0; animation:fadeUp 0.8s 0.9s forwards;
}
#video-canvas {
  width:100%; height:100%;
  display:block;
}
.vf-corner {
  position:absolute; width:22px; height:22px; z-index:3;
}
.vf-corner.tl { top:-2px; left:-2px;  border-top:2px solid var(--cyan); border-left:2px solid var(--cyan); }
.vf-corner.tr { top:-2px; right:-2px; border-top:2px solid var(--cyan); border-right:2px solid var(--cyan); }
.vf-corner.bl { bottom:-2px; left:-2px;  border-bottom:2px solid var(--cyan); border-left:2px solid var(--cyan); }
.vf-corner.br { bottom:-2px; right:-2px; border-bottom:2px solid var(--cyan); border-right:2px solid var(--cyan); }

.vf-edge {
  position:absolute; background:rgba(0,245,255,0.18); z-index:2;
}
.vf-edge.top    { top:0;    left:22px; right:22px; height:1px; }
.vf-edge.bottom { bottom:0; left:22px; right:22px; height:1px; }
.vf-edge.left   { left:0;   top:22px;  bottom:22px; width:1px; }
.vf-edge.right  { right:0;  top:22px;  bottom:22px; width:1px; }

.vf-scanlines {
  position:absolute; inset:0; z-index:3; pointer-events:none;
  background:repeating-linear-gradient(
    0deg, transparent, transparent 3px,
    rgba(0,0,0,0.06) 3px, rgba(0,0,0,0.06) 4px
  );
}
.vf-label {
  position:absolute; bottom:10px; right:14px; z-index:4;
  font-family:var(--font-m); font-size:0.58rem;
  letter-spacing:0.22em; color:rgba(0,245,255,0.4);
}

.hero-cta {
  display:flex; gap:1.4rem;
  opacity:0; animation:fadeUp 0.8s 1.1s forwards;
}

/* Scroll indicator */
.scroll-indicator {
  position:absolute; bottom:2rem; left:50%;
  transform:translateX(-50%); z-index:2;
  display:flex; flex-direction:column; align-items:center; gap:0.5rem;
  opacity:0; animation:fadeIn 1s 1.6s forwards;
}
.scroll-indicator span {
  font-family:var(--font-m); font-size:0.58rem;
  letter-spacing:0.35em; color:var(--muted);
}
.scroll-line {
  width:1px; height:36px;
  background:linear-gradient(to bottom, var(--cyan), transparent);
  animation:scrollPulse 2s ease-in-out infinite;
}

/* ============================================================
   About
   ============================================================ */
.about-grid {
  display:grid; grid-template-columns:1fr 1fr;
  gap:6rem; align-items:center;
}
.about-intro {
  font-size:1.35rem; line-height:1.6;
  margin-bottom:1.4rem;
}
.about-text p {
  color:var(--muted); line-height:1.85;
  margin-bottom:1.2rem; font-size:1.05rem;
}
.about-stats {
  display:flex; gap:3rem;
  margin-top:2.8rem; padding-top:2rem;
  border-top:1px solid var(--border);
}
.stat-value {
  display:flex; align-items:baseline; gap:1px;
}
.stat-number, .stat-suffix {
  font-family:var(--font-d); font-size:2.4rem; font-weight:900;
  color:var(--cyan); text-shadow:var(--glow-c); line-height:1;
}
.stat-label {
  font-family:var(--font-m); font-size:0.62rem;
  letter-spacing:0.18em; color:var(--muted);
  text-transform:uppercase; margin-top:0.4rem;
}
.about-visual {
  height:420px; position:relative;
}

/* ============================================================
   Projects
   ============================================================ */
.projects-grid {
  display:grid; grid-template-columns:repeat(2,1fr); gap:1.8rem;
}
.project-card {
  position:relative;
  background:var(--card);
  border:1px solid var(--border);
  padding:2.4rem;
  overflow:hidden;
  opacity:0; transform:translateY(30px);
  transition:opacity 0.55s ease, transform 0.55s ease, border-color 0.3s;
}
.project-card.visible { opacity:1; transform:translateY(0); }
.project-card:hover { border-color:rgba(0,245,255,0.5); transform:translateY(-6px) !important; }
.project-card:hover .pc-glow { opacity:1; }

.pc-glow {
  position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(circle at 40% 40%, rgba(0,245,255,0.06), transparent 65%);
  opacity:0; transition:opacity 0.3s;
}
.pc-number {
  font-family:var(--font-m); font-size:0.65rem; letter-spacing:0.22em;
  color:var(--cyan); opacity:0.4; margin-bottom:0.4rem;
}
.pc-tag {
  font-family:var(--font-m); font-size:0.6rem; letter-spacing:0.22em;
  text-transform:uppercase; color:var(--purple); margin-bottom:0.9rem;
}
.pc-title {
  font-family:var(--font-d); font-size:1.15rem; font-weight:600;
  letter-spacing:0.03em; line-height:1.3; margin-bottom:0.9rem;
}
.pc-desc {
  color:var(--muted); font-size:0.95rem; line-height:1.75; margin-bottom:1.4rem;
}
.pc-tech {
  display:flex; flex-wrap:wrap; gap:0.45rem; margin-bottom:1.4rem;
}
.pc-tech span {
  font-family:var(--font-m); font-size:0.6rem; letter-spacing:0.1em;
  padding:0.2rem 0.7rem; border:1px solid var(--border); color:var(--muted);
}
.pc-link {
  font-family:var(--font-m); font-size:0.7rem; letter-spacing:0.1em;
  color:var(--cyan); transition:opacity 0.2s;
}
.pc-link:hover { opacity:0.65; }

/* ============================================================
   Skills
   ============================================================ */
.skills { overflow:hidden; }
#skills-canvas {
  position:absolute; inset:0; pointer-events:none;
  opacity:0.22;
}
.skills-grid {
  display:grid; grid-template-columns:repeat(2,1fr);
  gap:4rem; position:relative; z-index:1;
}
.sk-cat {
  font-family:var(--font-d); font-size:0.78rem; font-weight:600;
  letter-spacing:0.18em; text-transform:uppercase;
  color:var(--cyan); margin-bottom:1.8rem;
  padding-bottom:0.9rem; border-bottom:1px solid var(--border);
}
.sk-items { display:flex; flex-direction:column; gap:1.2rem; }
.sk-item { display:flex; flex-direction:column; gap:0.45rem; }
.sk-name {
  font-family:var(--font-b); font-size:1rem; color:var(--text);
}
.sk-bar {
  height:2px; background:rgba(255,255,255,0.05); position:relative; overflow:hidden;
}
.sk-fill {
  position:absolute; top:0; left:0; height:100%; width:0;
  background:linear-gradient(to right, var(--purple), var(--cyan));
  transition:width 1.4s cubic-bezier(0.17,0.67,0.35,1);
  box-shadow:0 0 8px var(--cyan);
}

/* ============================================================
   Contact
   ============================================================ */
.contact-grid {
  display:grid; grid-template-columns:1fr 1.5fr;
  gap:6rem; align-items:start;
}
.contact-tagline {
  font-family:var(--font-d); font-size:clamp(1.4rem,2.5vw,2rem);
  font-weight:600; line-height:1.35;
  letter-spacing:0.02em; margin-bottom:3rem;
}
.contact-links { display:flex; flex-direction:column; gap:1.4rem; }
.ci-item {
  display:flex; align-items:center; gap:1rem;
  color:var(--muted); font-family:var(--font-m); font-size:0.75rem;
  transition:color 0.25s;
}
.ci-item:hover { color:var(--cyan); }
.ci-icon {
  width:36px; height:36px;
  border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-d); font-size:0.72rem;
  color:var(--cyan); flex-shrink:0;
  transition:box-shadow 0.25s;
}
.ci-item:hover .ci-icon { box-shadow:var(--glow-c); }

/* Contact Form */
.contact-form { display:flex; flex-direction:column; gap:1.6rem; }
.form-group { position:relative; }
.form-group input,
.form-group textarea {
  width:100%; background:transparent;
  border:none; border-bottom:1px solid var(--border);
  padding:1rem 0; color:var(--text);
  font-family:var(--font-b); font-size:1rem;
  outline:none; resize:none;
  transition:border-color 0.3s;
}
.form-group label {
  position:absolute; top:1rem; left:0;
  font-family:var(--font-m); font-size:0.65rem;
  letter-spacing:0.22em; text-transform:uppercase;
  color:var(--muted); pointer-events:none;
  transition:top 0.25s, font-size 0.25s, color 0.25s;
}
.form-group input:focus,
.form-group textarea:focus { border-bottom-color:var(--cyan); }
.form-group input:focus ~ label,
.form-group textarea:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
  top:-0.9rem; font-size:0.55rem; color:var(--cyan);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color:transparent; }

/* ============================================================
   Footer
   ============================================================ */
.footer {
  padding:2rem 4rem;
  border-top:1px solid var(--border);
  display:flex; align-items:center; justify-content:center; gap:1rem;
  font-family:var(--font-m); font-size:0.65rem;
  letter-spacing:0.15em; color:var(--muted);
}
.footer-dot { color:var(--cyan); font-size:0.5rem; }

/* ============================================================
   Animations
   ============================================================ */
@keyframes fadeUp {
  from { opacity:0; transform:translateY(28px); }
  to   { opacity:1; transform:translateY(0); }
}
@keyframes fadeIn {
  from { opacity:0; } to { opacity:1; }
}
@keyframes scrollPulse {
  0%,100% { opacity:1; transform:scaleY(1); }
  50%     { opacity:0.25; transform:scaleY(0.4); }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:900px) {
  .nav { padding:1rem 1.5rem; }
  .nav-links { display:none; }
  .container { padding:0 1.5rem; }
  .about-grid,
  .contact-grid { grid-template-columns:1fr; gap:3rem; }
  .projects-grid,
  .skills-grid { grid-template-columns:1fr; }
  .about-visual { height:280px; }
  .hero-cta { flex-direction:column; align-items:center; }
}