:root {
  --bg: #050a0e;
  --bg2: #0a1218;
  --green: #00ff9d;
  --green-dim: #00cc7a;
  --cyan: #00e5ff;
  --red: #ff3c5c;
  --text: #c8d8e0;
  --text-dim: #5a7a8a;
  --border: #0f2535;
  --card: #080f15;
  --mono: 'Share Tech Mono', monospace;
  --sans: 'Rajdhani', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  overflow-x: hidden;
  cursor: default;
}

/* SCANLINE OVERLAY */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,255,157,0.012) 2px, rgba(0,255,157,0.012) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* NOISE TEXTURE */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9998;
  opacity: 0.4;
}

/* ===== NAVBAR ===== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 3rem;
  background: rgba(5,10,14,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--mono);
  color: var(--green);
  font-size: 1rem;
  letter-spacing: 2px;
}
.nav-logo span { color: var(--text-dim); }

nav ul {
  list-style: none;
  display: flex;
  gap: 2.5rem;
}

nav ul a {
  font-family: var(--mono);
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: color 0.2s;
  position: relative;
}
nav ul a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--green);
  transition: width 0.3s;
}
nav ul a:hover { color: var(--green); }
nav ul a:hover::after { width: 100%; }
nav ul a.active { color: var(--green); }
nav ul a.active::after { width: 100%; }

/* ===== HERO ===== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 3rem 4rem;
  position: relative;
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,255,157,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,157,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}
.hero-glow {
  position: absolute;
  top: 20%; left: 55%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,255,157,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; max-width: 700px; }
.hero-tag {
  font-family: var(--mono);
  color: var(--green);
  font-size: 0.75rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.hero-tag::before { content: ''; display: block; width: 24px; height: 1px; background: var(--green); }

h1 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -1px;
  color: #fff;
  margin-bottom: 1rem;
}
h1 .accent { color: var(--green); }

.hero-subtitle {
  font-family: var(--mono);
  color: var(--cyan);
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 1.8rem;
}
.hero-desc {
  color: var(--text-dim);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 520px;
  margin-bottom: 2.5rem;
}
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.75rem 1.8rem;
  border: 1px solid;
  transition: all 0.25s;
  cursor: pointer;
  background: none;
}
.btn-primary { background: var(--green); color: var(--bg); border-color: var(--green); }
.btn-primary:hover { background: transparent; color: var(--green); }
.btn-secondary { background: transparent; color: var(--text-dim); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--green); color: var(--green); }

.status-bar {
  position: absolute;
  bottom: 3rem; right: 3rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  text-align: right;
  line-height: 1.8;
}
.status-bar .live { color: var(--green); }

/* ===== SECTIONS (used on inner pages too) ===== */
section {
  padding: 6rem 3rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 3.5rem;
}
.section-num { font-family: var(--mono); color: var(--green); font-size: 0.75rem; letter-spacing: 2px; }
.section-title {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 2rem;
  color: #fff;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.section-line { flex: 1; height: 1px; background: var(--border); }

/* ===== CERT PREVIEW OVERLAY ===== */
#cert-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
#cert-overlay.visible { display: flex; }
#cert-overlay-img {
  width: min(500px, 90vw);
  border: 2px solid var(--green);
  box-shadow: 0 0 40px rgba(0,255,157,0.3), 0 20px 60px rgba(0,0,0,0.9);
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.2s, transform 0.2s;
  display: block;
}
#cert-overlay.visible #cert-overlay-img { opacity: 1; transform: scale(1); }
.cert-card.has-link:hover { border-color: rgba(0,229,255,0.5); }
.cert-card.has-preview { cursor: zoom-in; }

/* ===== SKILLS ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}
.skill-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 1.2rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s;
}
.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 0;
  background: var(--green);
  transition: height 0.3s;
}
.skill-card:hover { border-color: rgba(0,255,157,0.3); transform: translateY(-3px); }
.skill-card:hover::before { height: 100%; }
.skill-icon { font-size: 1.5rem; margin-bottom: 0.6rem; }
.skill-name { font-family: var(--mono); color: var(--green); font-size: 0.85rem; letter-spacing: 1px; }

/* ===== CERTIFICATES ===== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.cert-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 1.8rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}
.cert-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,255,157,0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}
.cert-card:hover { border-color: rgba(0,255,157,0.4); transform: translateY(-4px); }
.cert-card:hover::after { opacity: 1; }
.cert-badge {
  width: 40px; height: 40px;
  background: rgba(0,255,157,0.1);
  border: 1px solid rgba(0,255,157,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1.2rem;
}
.cert-issuer {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--green);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.cert-name {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1rem;
  color: #fff;
  margin-bottom: 0.6rem;
  line-height: 1.3;
}
.cert-desc { font-size: 0.85rem; color: var(--text-dim); line-height: 1.6; }
.cert-tag {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--cyan);
  border: 1px solid rgba(0,229,255,0.2);
  padding: 2px 8px;
  letter-spacing: 1px;
}

.cert-badge-btn {
  cursor: zoom-in;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  background: rgba(0,255,157,0.08);
  border: 1px solid rgba(0,255,157,0.2);
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
  transition: background 0.2s, border-color 0.2s;
  position: relative;
  z-index: 2;
}
.cert-badge-btn:hover { background: rgba(0,255,157,0.18); border-color: var(--green); }
.cert-body { position: relative; z-index: 2; cursor: pointer; }

.cert-inner-img {
  position: absolute;
  inset: 0;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
  z-index: 10;
}
.cert-inner-img.show { opacity: 1; pointer-events: all; }
.cert-inner-img img { width: 100%; height: 100%; object-fit: contain; display: block; }
.cert-inner-img .close-btn {
  position: absolute;
  top: 8px; right: 10px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--green);
  cursor: pointer;
  background: rgba(0,0,0,0.7);
  padding: 2px 8px;
  border: 1px solid var(--green);
  letter-spacing: 1px;
}
.cert-inner-img .close-btn:hover { background: var(--green); color: #000; }

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.about-text p { color: var(--text-dim); line-height: 1.8; font-size: 1rem; margin-bottom: 1.2rem; }
.terminal-box { background: #020608; border: 1px solid var(--border); padding: 1.5rem; font-family: var(--mono); font-size: 0.8rem; }
.terminal-bar { display: flex; gap: 6px; margin-bottom: 1.2rem; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-r { background: #ff5f56; }
.dot-y { background: #ffbd2e; }
.dot-g { background: #27c93f; }
.t-line { color: var(--text-dim); margin-bottom: 4px; line-height: 1.7; }
.t-line .prompt { color: var(--green); }
.t-line .cmd { color: #fff; }
.t-line .out { color: var(--cyan); }
.t-line .comment { color: #3a5a6a; }

/* ===== CONTACT ===== */
.contact-wrapper { display: flex; gap: 2rem; flex-wrap: wrap; }
.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 1.2rem 1.8rem;
  text-decoration: none;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 1px;
  transition: all 0.25s;
  flex: 1;
  min-width: 200px;
}
.contact-link:hover { border-color: var(--green); color: var(--green); }
.contact-link .icon { font-size: 1.3rem; }

/* ===== CONTACT FORM ===== */
.contact-form {
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  margin-bottom: 3.5rem;
}
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--green);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.form-group input,
.form-group textarea {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 0.8rem 1rem;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}
.form-group textarea { min-height: 140px; }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--green); }
.form-honeypot { position: absolute; left: -9999px; opacity: 0; }

.form-status {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 1px;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  display: none;
}
.form-status.show { display: block; }
.form-status.success { color: var(--green); border-color: rgba(0,255,157,0.3); }
.form-status.error { color: var(--red); border-color: rgba(255,60,92,0.3); }

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-dim);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero-content > * { animation: fadeUp 0.7s ease both; }
.hero-tag { animation-delay: 0.1s; }
.hero-content h1 { animation-delay: 0.25s; }
.hero-subtitle { animation-delay: 0.4s; }
.hero-desc { animation-delay: 0.5s; }
.hero-btns { animation-delay: 0.6s; }

.cursor { display: inline-block; width: 8px; height: 1em; background: var(--green); vertical-align: text-bottom; animation: blink 1s step-end infinite; }
.tw-cursor { color: var(--green); animation: blink 1s step-end infinite; }

/* ===== CERT CARD SPLIT CLICK ===== */
.cert-card.has-preview { position: relative; overflow: hidden; }

/* ===== GLITCH ===== */
.glitch { position: relative; }
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0;
}
.glitch::before { color: var(--cyan); clip-path: polygon(0 20%, 100% 20%, 100% 40%, 0 40%); }
.glitch::after { color: var(--red); clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%); }
.glitch.glitching::before { opacity: 0.8; animation: glitch-top 0.15s steps(2) forwards; }
.glitch.glitching::after { opacity: 0.8; animation: glitch-bot 0.15s steps(2) forwards; }
@keyframes glitch-top {
  0% { transform: translate(-4px, -2px) skewX(-3deg); }
  33% { transform: translate(4px, 2px) skewX(3deg); }
  66% { transform: translate(-2px, 1px) skewX(-1deg); }
  100% { transform: translate(0, 0); }
}
@keyframes glitch-bot {
  0% { transform: translate(4px, 2px) skewX(3deg); }
  33% { transform: translate(-4px, -2px) skewX(-3deg); }
  66% { transform: translate(2px, -1px) skewX(1deg); }
  100% { transform: translate(0, 0); }
}

/* ===== SCROLL REVEAL ===== */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== EASTER EGG: SUDO SU ===== */
#sudo-overlay {
  position: fixed;
  inset: 0;
  background: #000;
  z-index: 999999;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
}
#sudo-overlay.active { display: flex; }
#sudo-terminal { width: min(640px, 90vw); border: 1px solid var(--green); box-shadow: 0 0 40px rgba(0,255,157,0.3), 0 0 80px rgba(0,255,157,0.1); }
.sudo-bar { background: #0a1a0f; padding: 0.6rem 1rem; display: flex; align-items: center; gap: 0.5rem; border-bottom: 1px solid var(--green); }
.sudo-bar span { color: var(--green); font-size: 0.72rem; letter-spacing: 2px; }
#sudo-body { background: #000; padding: 1.5rem; min-height: 260px; font-size: 0.82rem; line-height: 2; color: var(--green); }
.sudo-line { overflow: hidden; white-space: nowrap; }
.sudo-line.red { color: #ff3c5c; }
.sudo-line.cyan { color: var(--cyan); }
.sudo-line.white { color: #fff; font-weight: bold; font-size: 1rem; letter-spacing: 2px; }
.sudo-line.dim { color: var(--text-dim); }
#sudo-close {
  margin-top: 1.5rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 2px;
  cursor: pointer;
  border: 1px solid var(--border);
  padding: 0.5rem 1.5rem;
  background: transparent;
  transition: all 0.2s;
}
#sudo-close:hover { border-color: var(--green); color: var(--green); }
.sudo-blink { animation: blink 0.6s step-end infinite; }

/* ===== PARTICLES / CURSOR CANVAS ===== */
#particles-canvas { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
#hero, nav, section, footer { position: relative; z-index: 1; }
* { cursor: none !important; }

/* Responsive */
@media (max-width: 700px) {
  nav { padding: 1rem 1.5rem; }
  nav ul { gap: 1.2rem; }
  section { padding: 4rem 1.5rem; }
  #hero { padding: 7rem 1.5rem 4rem; }
  .about-grid { grid-template-columns: 1fr; }
  .status-bar { display: none; }
  footer { flex-direction: column; gap: 0.5rem; text-align: center; }
}