/* mohammadthabethassan.github.io - site stylesheet (moved out of index.html, same design) */

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
  --bg:          #020408;
  --bg2:         #050c15;
  --surface:     #0a1628;
  --surface2:    rgba(0,212,255,0.04);
  --cyan:        #00d4ff;
  --cyan-dim:    rgba(0,212,255,0.15);
  --cyan-glow:   rgba(0,212,255,0.08);
  --amber:       #f59e0b;
  --green:       #00ff88;
  --red:         #ff3366;
  --purple:      #a855f7;
  --text:        #e2e8f0;
  --muted:       #6b7a90;
  --border:      rgba(0,212,255,0.12);
  --border-dim:  rgba(255,255,255,0.06);
  --font-mono:   'JetBrains Mono', monospace;
  --font-body:   'Space Grotesk', sans-serif;
  --ease-out:    cubic-bezier(0.16,1,0.3,1);
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; overflow-x:hidden; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width:100%; height:auto; display:block; }
a { text-decoration:none; color:inherit; }
button { font-family:inherit; cursor:pointer; border:none; outline:none; background:none; }
h1,h2,h3,h4 { font-family: var(--font-mono); }

/* ============================================
   CANVAS BACKGROUND
   ============================================ */
#bg-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}
.page-wrapper { position:relative; z-index:1; }

/* ============================================
   CUSTOM CURSOR
   ============================================ */
#cursor-dot {
  width: 8px; height: 8px;
  background: var(--cyan);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: screen;
  transform: translate(-50%,-50%);
  transition: transform 0.1s, opacity 0.3s;
  will-change: left, top;
}
#cursor-ring {
  width: 28px; height: 28px;
  border: 1px solid rgba(0,212,255,0.5);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%,-50%);
  will-change: left, top;
  transition: width 0.2s, height 0.2s, border-color 0.2s;
}
body.cursor-hover #cursor-dot { transform: translate(-50%,-50%) scale(2); }
body.cursor-hover #cursor-ring { width:42px; height:42px; border-color:rgba(0,212,255,0.8); }
@media (max-width:768px){ #cursor-dot, #cursor-ring { display:none; } }

/* ============================================
   SCROLL PROGRESS
   ============================================ */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--red));
  z-index: 1001;
  width: 0%;
  transition: width 0.1s;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  padding: 1.5rem 8%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  transition: all 0.4s ease;
}
.navbar.scrolled {
  background: rgba(2,4,8,0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 8%;
}
.logo {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 3px;
  letter-spacing: -0.02em;
}
.logo-dot {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan);
  animation: logoPulse 2s ease-in-out infinite;
}
@keyframes logoPulse {
  0%,100% { transform:scale(1); box-shadow:0 0 8px var(--cyan); }
  50%      { transform:scale(1.4); box-shadow:0 0 18px var(--cyan), 0 0 30px rgba(0,212,255,0.3); }
}
.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  position: relative;
  transition: color 0.3s;
  letter-spacing: 0.01em;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0; width: 0;
  height: 1px;
  background: var(--cyan);
  transition: width 0.3s ease;
}
.nav-links a:hover,
.nav-links a.active { color: var(--cyan); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  border: 1px solid rgba(0,255,136,0.4);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--green);
  font-weight: 600;
  letter-spacing: 0.02em;
  background: rgba(0,255,136,0.05);
}
.nav-badge::before {
  content: '';
  width: 7px; height: 7px;
  background: var(--green);
  border-radius: 50%;
  animation: availPulse 2s infinite;
}
@keyframes availPulse {
  0%,100% { box-shadow:0 0 0 0 rgba(0,255,136,0.4); }
  50%      { box-shadow:0 0 0 7px transparent; }
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  cursor: pointer;
}
.mobile-toggle span {
  display: block;
  width: 26px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.35s ease;
  transform-origin: center;
}
.mobile-toggle.active span:nth-child(1) { transform:rotate(45deg) translate(5px,5px); }
.mobile-toggle.active span:nth-child(2) { opacity:0; transform:scaleX(0); }
.mobile-toggle.active span:nth-child(3) { transform:rotate(-45deg) translate(5px,-5px); }

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: rgba(2,4,8,0.97);
  backdrop-filter: blur(24px);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
}
.mobile-nav.active { opacity:1; visibility:visible; }
.mobile-nav-links { list-style:none; text-align:center; }
.mobile-nav-links li { margin:2rem 0; }
.mobile-nav-links a {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text);
  transition: color 0.3s;
  position: relative;
}
.mobile-nav-links a:hover { color: var(--cyan); }

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0 8%;
  gap: 80px;
  position: relative;
}
.hero-content { flex: 1; max-width: 560px; }
.hero-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  margin-bottom: 1.5rem;
  letter-spacing: 0.08em;
  opacity: 0;
  animation: fadeSlideIn 0.7s ease forwards 0.2s;
}
@keyframes fadeSlideIn {
  from { opacity:0; transform:translateY(20px); }
  to   { opacity:1; transform:translateY(0); }
}
.hero-title {
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeSlideIn 0.7s ease forwards 0.4s;
}
.hero-title span { display:block; }
.glitch {
  position: relative;
  display: inline-block;
}
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  /* Resting state is hidden, so the coloured copies disappear when the
     intro ends however the browser finishes the animation. */
  clip-path: inset(100% 0 0 0);
}
.glitch::before {
  color: var(--cyan);
  animation: glitch1 0.35s steps(1) 3;
}
.glitch::after {
  color: var(--red);
  animation: glitch2 0.35s steps(1) 3 0.1s;
}
@keyframes glitch1 {
  0%   { clip-path:inset(50% 0 30% 0); transform:translate(-2px, 0); }
  25%  { clip-path:inset(10% 0 80% 0); transform:translate(2px, -1px); }
  50%  { clip-path:inset(70% 0 5%  0); transform:translate(-1px, 1px); }
  75%  { clip-path:inset(30% 0 50% 0); transform:translate(1px, 0); }
  100% { clip-path:inset(100% 0 0 0); transform:translate(0,0); }
}
@keyframes glitch2 {
  0%   { clip-path:inset(30% 0 50% 0); transform:translate(2px, 0); }
  25%  { clip-path:inset(80% 0 5%  0); transform:translate(-2px, 1px); }
  50%  { clip-path:inset(10% 0 70% 0); transform:translate(1px, -1px); }
  75%  { clip-path:inset(55% 0 25% 0); transform:translate(-1px, 0); }
  100% { clip-path:inset(100% 0 0 0); transform:translate(0,0); }
}
.hero-typewriter {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--cyan);
  margin-bottom: 1.25rem;
  min-height: 2rem;
  opacity: 0;
  animation: fadeSlideIn 0.7s ease forwards 0.6s;
}
.cursor-blink {
  display: inline-block;
  width: 2px; height: 1.2em;
  background: var(--cyan);
  vertical-align: text-bottom;
  animation: blinkCursor 1s step-end infinite;
}
@keyframes blinkCursor { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-proof {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 1.75rem;
  opacity: 0;
  animation: fadeSlideIn 0.7s ease forwards 0.9s;
}
.hero-proof li {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 5px 11px;
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text);
  background: var(--surface2);
}
.hero-subtitle {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 1.1rem;
  line-height: 1.7;
  opacity: 0;
  animation: fadeSlideIn 0.7s ease forwards 0.8s;
}
.avail-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.25rem;
  border: 1px solid rgba(0,255,136,0.4);
  border-radius: 50px;
  margin-bottom: 2rem;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--green);
  background: rgba(0,255,136,0.05);
  opacity: 0;
  animation: fadeSlideIn 0.7s ease forwards 1s;
}
.avail-dot {
  width: 9px; height: 9px;
  background: var(--green);
  border-radius: 50%;
  animation: availPulse 2s infinite;
  flex-shrink: 0;
}
.hero-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeSlideIn 0.7s ease forwards 1.2s;
}
.btn {
  padding: 13px 22px;
  border-radius: 7px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}
.btn-primary {
  background: var(--cyan);
  color: var(--bg);
  border: 2px solid var(--cyan);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0,212,255,0.5), 0 0 60px rgba(0,212,255,0.15);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  padding: 13px 10px;
  font-weight: 600;
}
.btn-ghost:hover { color: var(--cyan); }

/* Globe container */
.hero-globe-wrap {
  position: relative;
  width: 420px;
  height: 420px;
  flex-shrink: 0;
}
#globe-canvas {
  width: 100%; height: 100%;
  display: block;
}
.profile-photo-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 180px; height: 180px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 6px rgba(0,212,255,0.1), 0 0 40px rgba(0,212,255,0.3), 0 0 80px rgba(0,212,255,0.1);
  animation: photoPulse 3s ease-in-out infinite;
  pointer-events: none;
}
@keyframes photoPulse {
  0%,100% { box-shadow:0 0 0 6px rgba(0,212,255,0.1), 0 0 40px rgba(0,212,255,0.3), 0 0 80px rgba(0,212,255,0.08); }
  50%      { box-shadow:0 0 0 10px rgba(0,212,255,0.06), 0 0 60px rgba(0,212,255,0.5), 0 0 100px rgba(0,212,255,0.15); }
}
.profile-photo-ring img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 10%;
}
.hero-badge {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg);
  border: 1px solid var(--green);
  border-radius: 20px;
  padding: 4px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 5px;
}
.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: availPulse 2s infinite;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  animation: bounceY 2s ease-in-out infinite;
  opacity: 0.5;
}
@keyframes bounceY {
  0%,100% { transform:translateX(-50%) translateY(0); }
  50%      { transform:translateX(-50%) translateY(10px); }
}
.scroll-indicator svg { opacity:0.6; }

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
  background: linear-gradient(90deg, rgba(0,212,255,0.04) 0%, rgba(168,85,247,0.04) 50%, rgba(0,212,255,0.04) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 36px 0;
  display: flex;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  position: relative;
}
.stat-item {
  text-align: center;
  padding: 0 60px;
  position: relative;
}
.stat-item + .stat-item::before {
  content: '';
  position: absolute;
  left: 0; top: 15%; height: 70%;
  width: 1px;
  background: var(--border);
}
.stat-number {
  font-family: var(--font-mono);
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
  text-shadow: 0 0 30px rgba(0,212,255,0.4);
}
.stat-label {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
}

/* ============================================
   SECTIONS — COMMON
   ============================================ */
.section {
  padding: 110px 8%;
  scroll-margin-top: 72px;
}
.section.alt { background: var(--bg2); }

.section-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 4rem;
}
.section-num {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
  text-shadow: 0 0 20px rgba(0,212,255,0.3);
}
.section-ttl {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text);
}
.section-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border), transparent);
}

/* ============================================
   ABOUT
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 80px;
  align-items: start;
}
.about-text p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
  margin-bottom: 1.5rem;
}
.about-text strong { color: var(--text); }
.about-info-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}
.info-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  color: var(--muted);
  background: var(--surface);
  transition: all 0.3s;
}
.info-chip:hover { border-color:var(--cyan); color:var(--cyan); }
.info-chip svg { width:16px; height:16px; }
.about-photo-card {
  width: 300px;
  height: 380px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 24px 64px rgba(0,212,255,0.1);
  position: relative;
  transition: transform 0.1s ease;
  cursor: default;
}
.about-photo-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 10%;
}
.about-photo-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 55%;
  background: linear-gradient(transparent, rgba(2,4,8,0.93));
  pointer-events: none;
}
.about-loc {
  position: absolute;
  bottom: 16px; left: 16px;
  font-size: 13px;
  color: var(--text);
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 5px;
  font-weight: 500;
}

/* ============================================
   EXPERIENCE (inside About)
   ============================================ */
.exp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 3.5rem;
}
.exp-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}
.exp-org { font-size: 0.875rem; color: var(--muted); margin-bottom: 0.9rem; }
.exp-list { list-style: none; display: grid; gap: 0.45rem; }
.exp-list li {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
  padding-left: 1rem;
  position: relative;
}
.exp-list li::before { content: '\203A'; color: var(--cyan); position: absolute; left: 0; }

/* ============================================
   PUBLICATIONS
   ============================================ */
.pub-list { display: grid; gap: 20px; max-width: 1000px; margin: 0 auto; }
.pub-card {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  background: rgba(10,22,40,0.85);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  transition: all 0.3s;
}
.pub-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,212,255,0.35);
  box-shadow: 0 12px 40px rgba(0,212,255,0.12);
}
.pub-num {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-weight: 700;
  font-size: 1rem;
  text-shadow: 0 0 12px rgba(0,212,255,0.4);
  padding-top: 2px;
}
.pub-card h3 {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.45;
  margin-bottom: 0.5rem;
}
.pub-status {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-left: 8px;
  vertical-align: middle;
}
.pub-status.published { background: rgba(0,255,136,0.12); color: var(--green); border: 1px solid rgba(0,255,136,0.35); }
.pub-status.prep      { background: rgba(245,158,11,0.12); color: var(--amber); border: 1px solid rgba(245,158,11,0.35); }
.pub-authors { font-size: 0.875rem; color: var(--muted); margin-bottom: 0.35rem; }
.pub-authors b { color: var(--text); font-weight: 600; }
.pub-venue { font-family: var(--font-mono); font-size: 11px; color: var(--muted); margin-bottom: 0.6rem; line-height: 1.5; }
.pub-result { font-size: 0.875rem; color: var(--muted); line-height: 1.65; margin-bottom: 0.8rem; }
.pub-links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; }
.pub-links a {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: gap 0.2s;
}
.pub-links a:hover { gap: 8px; }
.pub-copy {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 10px;
  transition: all 0.2s;
}
.pub-copy:hover { color: var(--cyan); border-color: var(--cyan); }
.pub-copy.is-done { color: var(--green); border-color: rgba(0,255,136,0.5); }
.pub-links a, .pub-venue { overflow-wrap: anywhere; }
.pub-note { text-align: center; font-family: var(--font-mono); font-size: 12px; color: var(--muted); margin-top: 2rem; }

/* ============================================
   SKILLS — 3D TAG CLOUD
   ============================================ */
.skills-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.skills-hint {
  font-size: 12px;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-align: center;
}
.skills-legend {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 12px;
  color: var(--muted);
}
.legend-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.legend-dot.security { background: var(--amber); }
.legend-dot.programming { background: var(--cyan); }
.legend-dot.soft { background: var(--purple); }
.skills-sphere {
  width: 520px; height: 520px;
  position: relative;
  margin: 0 auto;
  cursor: grab;
  user-select: none;
}
.skills-sphere:active { cursor: grabbing; }
.skill-tag {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 5px 13px;
  border-radius: 20px;
  white-space: nowrap;
  cursor: pointer;
  pointer-events: auto;
  transition: box-shadow 0.2s;
  will-change: transform, opacity;
}
.skill-tag:hover { z-index: 9999 !important; }
.skill-tag.security {
  border: 1px solid var(--amber);
  color: var(--amber);
  background: rgba(245,158,11,0.07);
}
.skill-tag.security:hover { box-shadow: 0 0 16px rgba(245,158,11,0.5); }
.skill-tag.programming {
  border: 1px solid var(--cyan);
  color: var(--cyan);
  background: rgba(0,212,255,0.07);
}
.skill-tag.programming:hover { box-shadow: 0 0 16px rgba(0,212,255,0.5); }
.skill-tag.soft {
  border: 1px solid var(--purple);
  color: var(--purple);
  background: rgba(168,85,247,0.07);
}
.skill-tag.soft:hover { box-shadow: 0 0 16px rgba(168,85,247,0.5); }

/* ============================================
   PROJECTS
   ============================================ */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 0.6rem 1.3rem;
  background: transparent;
  border: 1px solid var(--border-dim);
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.25s;
  letter-spacing: 0.01em;
}
.filter-btn:hover { color:var(--cyan); border-color:var(--cyan); }
.filter-btn.active {
  background: var(--cyan);
  color: var(--bg);
  border-color: var(--cyan);
  font-weight: 700;
}
.filter-btn .count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px; height: 20px;
  background: rgba(0,0,0,0.2);
  border-radius: 50%;
  font-size: 10px;
  margin-left: 4px;
}
.filter-btn.active .count { background: rgba(2,4,8,0.3); }

#projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px,1fr));
  gap: 24px;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border-dim);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.3s, opacity 0.3s, transform 0.15s;
  will-change: transform;
  position: relative;
}
.project-card:hover { border-color: rgba(0,212,255,0.3); }
.project-accent-bar {
  height: 3px;
  width: 100%;
}
.accent-Security { background: linear-gradient(90deg, var(--red), rgba(255,51,102,0.3)); }
.accent-AI\/ML   { background: linear-gradient(90deg, var(--purple), rgba(168,85,247,0.3)); }
.accent-Mobile   { background: linear-gradient(90deg, var(--cyan), rgba(0,212,255,0.3)); }
.accent-DevOps   { background: linear-gradient(90deg, var(--green), rgba(0,255,136,0.3)); }
.accent-Hardware { background: linear-gradient(90deg, #ff6b35, rgba(255,107,53,0.3)); }
.accent-Tools    { background: linear-gradient(90deg, var(--amber), rgba(245,158,11,0.3)); }
.accent-SOC      { background: linear-gradient(90deg, var(--green), rgba(0,255,136,0.3)); }
.accent-Forensics{ background: linear-gradient(90deg, var(--amber), rgba(245,158,11,0.3)); }
.accent-Web      { background: linear-gradient(90deg, #3b82f6, rgba(59,130,246,0.3)); }

.proj-img { aspect-ratio: 16 / 9; overflow:hidden; background:var(--bg2); border-bottom:1px solid var(--border-dim); }
.proj-img img {
  width:100%; height:100%;
  object-fit:cover;
  transition: transform 0.4s ease;
}
.project-card:hover .proj-img img { transform:scale(1.06); }

.proj-preview {
  height:180px;
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  overflow:hidden;
}
.proj-preview::before {
  content:'';
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(45deg,transparent,transparent 10px,rgba(255,255,255,0.03) 10px,rgba(255,255,255,0.03) 20px);
}
.proj-preview span {
  font-size:4rem;
  position:relative;
  z-index:1;
  filter:drop-shadow(0 4px 12px rgba(0,0,0,0.3));
  transition:transform 0.3s ease;
}
.project-card:hover .proj-preview span { transform:scale(1.15) rotate(-5deg); }

.proj-body { padding: 20px; }
.proj-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.proj-cat {
  font-size: 10px;
  padding: 3px 9px;
  border-radius: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.cat-Security { background:rgba(255,51,102,0.15); color:var(--red); }
.cat-AI\/ML   { background:rgba(168,85,247,0.15); color:var(--purple); }
.cat-Mobile   { background:rgba(0,212,255,0.15);  color:var(--cyan); }
.cat-DevOps   { background:rgba(0,255,136,0.15);  color:var(--green); }
.cat-Hardware { background:rgba(255,107,53,0.15); color:#ff6b35; }
.cat-Tools    { background:rgba(245,158,11,0.15); color:var(--amber); }
.cat-SOC      { background:rgba(0,255,136,0.15);  color:var(--green); }
.cat-Forensics{ background:rgba(245,158,11,0.15); color:var(--amber); }
.cat-Web      { background:rgba(59,130,246,0.15); color:#60a5fa; }

.proj-date { font-size:11px; color:var(--muted); }
.proj-title {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text);
  line-height: 1.4;
}
.proj-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.proj-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.proj-lang {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--muted);
}
.lang-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.proj-topics {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}
.topic-tag {
  font-size: 10px;
  padding: 2px 7px;
  background: rgba(0,212,255,0.06);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--muted);
}
.proj-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
  margin-top: 0.75rem;
  transition: gap 0.2s;
  font-family: var(--font-mono);
}
.proj-link:hover { gap: 8px; }
.proj-links { display: flex; flex-wrap: wrap; gap: 0 1.1rem; }
.proj-link.demo  { color: var(--green); }
.proj-link.paper { color: var(--purple); }
.proj-link.pypi  { color: var(--amber); }
.proj-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--cyan);
  margin-bottom: 0.85rem;
}
.proj-facts span::before { content:'\25B8'; margin-right:5px; opacity:0.7; }
.more-repos {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
}
.more-repos-label { font-family: var(--font-mono); font-size: 12px; color: var(--muted); margin-right: 0.25rem; }
.more-repos a {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 0.55rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  background: var(--surface);
  transition: all 0.25s;
}
.more-repos a:hover { color: var(--cyan); border-color: var(--cyan); }
.proj-stars {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--amber);
}

/* Skeleton */
@keyframes shimmer {
  0%   { background-position:200% 0; }
  100% { background-position:-200% 0; }
}
.skeleton {
  background: linear-gradient(90deg, rgba(0,212,255,0.03) 25%, rgba(0,212,255,0.09) 50%, rgba(0,212,255,0.03) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 12px;
  border: 1px solid var(--border-dim);
  min-height: 240px;
}

/* ============================================
   ACHIEVEMENTS TIMELINE
   ============================================ */
.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%; top: 0;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--purple) 50%, transparent 100%);
}
.t-item {
  position: relative;
  width: 50%;
  padding: 1.25rem 2.5rem 1.25rem 0;
}
.t-item:nth-child(even) {
  left: 50%;
  padding: 1.25rem 0 1.25rem 2.5rem;
}
.t-dot {
  position: absolute;
  width: 13px; height: 13px;
  background: var(--cyan);
  border-radius: 50%;
  top: 2rem;
  right: -6.5px;
  box-shadow: 0 0 0 4px rgba(0,212,255,0.2), 0 0 14px var(--cyan);
  z-index: 2;
}
.t-item:nth-child(even) .t-dot {
  right: auto;
  left: -6.5px;
}
.t-card {
  background: rgba(10,22,40,0.85);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  transition: all 0.3s;
}
.t-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,212,255,0.35);
  box-shadow: 0 12px 40px rgba(0,212,255,0.12);
}
.t-icon { font-size: 2rem; margin-bottom: 0.75rem; line-height:1; }
.t-card h3 {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text);
  line-height: 1.4;
}
.t-card p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 0.75rem;
}
.t-item.gold .t-dot { background: var(--amber); box-shadow: 0 0 0 4px rgba(245,158,11,0.2), 0 0 14px var(--amber); }
.t-item.gold .t-year { background: rgba(245,158,11,0.15); color: var(--amber); }
.t-item.silver .t-dot { background: #cbd5e1; box-shadow: 0 0 0 4px rgba(203,213,225,0.2), 0 0 14px #cbd5e1; }
.t-item.silver .t-year { background: rgba(203,213,225,0.12); color: #cbd5e1; }
.t-year {
  display: inline-block;
  padding: 2px 10px;
  background: var(--cyan-dim);
  border-radius: 20px;
  font-size: 11px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-weight: 600;
}

/* ============================================
   CERTIFICATIONS
   ============================================ */
.credly-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 2rem;
  margin-bottom: 3.5rem;
}
.credly-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 2rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: all 0.3s;
  text-align: center;
}
.credly-card:hover {
  transform: translateY(-5px);
  border-color: var(--cyan);
  box-shadow: 0 12px 40px rgba(0,212,255,0.15);
}
.credly-img {
  width: 132px; height: 132px;
  border-radius: 18px;
  border: 1px solid rgba(0,212,255,0.35);
  box-shadow: 0 0 24px rgba(0,212,255,0.16), inset 0 1px 0 rgba(0,212,255,0.14);
  object-fit: contain;
  padding: 12px;
  background: linear-gradient(180deg, rgba(0,212,255,0.10), rgba(0,212,255,0.02));
  transition: box-shadow 0.3s, border-color 0.3s, transform 0.3s;
}
.credly-card:hover .credly-img { box-shadow: 0 0 36px rgba(0,212,255,0.4); border-color: rgba(0,212,255,0.7); transform: scale(1.04); }
.credly-name {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.cert-filter-bar {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px,1fr));
  gap: 18px;
}
.cert-card {
  background: var(--surface);
  border: 1px solid var(--border-dim);
  border-radius: 10px;
  overflow: hidden;
  transition: all 0.3s;
}
.cert-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,212,255,0.35);
  box-shadow: 0 12px 32px rgba(0,212,255,0.10);
}
.cert-img-wrap {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(0,212,255,0.07), rgba(0,212,255,0.02));
  border-bottom: 1px solid var(--border-dim);
}
.cert-img-wrap img {
  width: 100%; height: 100%;
  object-fit: contain;
  border-radius: 4px;
  transition: transform 0.4s;
}
.cert-card:hover .cert-img-wrap img { transform: scale(1.03); }
.cert-body-inner { padding: 12px; }
.cert-issuer {
  display: inline-block;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 20px;
  margin-bottom: 0.4rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.iss-Google   { background:rgba(66,133,244,0.12); color:#4285f4; }
.iss-Meta     { background:rgba(0,104,255,0.14);  color:#4d8dff; }
.iss-Udacity  { background:rgba(255,136,0,0.12);  color:#ff8800; }
.iss-Cisco    { background:rgba(4,159,217,0.14);  color:#38bdf8; }
.iss-UCSD     { background:rgba(255,215,0,0.12);  color:#ffd700; }
.iss-UPenn    { background:rgba(1,31,91,0.35);    color:#8ab4ff; }
.iss-Other    { background:rgba(100,116,139,0.12);color:var(--muted); }
.iss-Coursera { background:rgba(0,86,210,0.14);   color:#5b9cff; }
.iss-ECCouncil{ background:rgba(255,51,102,0.12); color:var(--red); }
.iss-Packt    { background:rgba(255,107,53,0.12); color:#ff6b35; }
.iss-Nomu     { background:rgba(168,85,247,0.14); color:var(--purple); }
.iss-London   { background:rgba(0,212,255,0.12);  color:var(--cyan); }
.cert-meta { font-size:10.5px; color:var(--muted); margin-bottom:0.4rem; font-family:var(--font-mono); }
.credly-issuer { font-family:var(--font-mono); font-size:10px; color:var(--muted); }
.cert-card h3 {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 0.4rem;
}
.cert-verify {
  font-size: 11px;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 3px;
  transition: color 0.2s;
  font-weight: 600;
}
.cert-verify:hover { color: var(--text); }

/* ============================================
   CONTACT
   ============================================ */
.contact-wrap {
  max-width: 880px;
  margin: 0 auto;
}
.contact-card {
  background: rgba(10,22,40,0.6);
  backdrop-filter: blur(22px);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 56px;
  box-shadow: 0 0 60px rgba(0,212,255,0.05), 0 0 120px rgba(0,0,0,0.4), inset 0 1px 0 rgba(0,212,255,0.1);
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}
.contact-status-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--green);
}
.contact-status-dot {
  width: 13px; height: 13px;
  background: var(--green);
  border-radius: 50%;
  animation: availPulse 2s infinite;
  flex-shrink: 0;
}
.contact-sub {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}
.lang-block { margin-bottom: 1.75rem; }
.lang-block h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0.5rem;
}
.lang-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 0.3rem;
}
.lang-level {
  font-size: 11px;
  color: var(--muted);
  padding: 1px 7px;
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-left: 4px;
}
.social-list { display:flex; flex-direction:column; gap:0.9rem; }
.social-row { display:flex; align-items:center; gap:0.75rem; flex-wrap:wrap; }
.copy-btn {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 3px 9px;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--muted);
  transition: all 0.2s;
}
.copy-btn:hover { color: var(--cyan); border-color: var(--cyan); }
.copy-btn.is-done { color: var(--green); border-color: rgba(0,255,136,0.5); }
.social-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
  transition: color 0.25s;
  font-weight: 500;
}
.social-item svg { width:20px; height:20px; flex-shrink:0; }
.social-item.github:hover  { color:#ffffff; }
.social-item.linkedin:hover{ color:#0077b5; }
.social-item.email:hover   { color:var(--cyan); }
.social-item.phone:hover   { color:var(--green); }

/* Form */
.contact-form { display:flex; flex-direction:column; gap:1.25rem; }
.form-group { position:relative; }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 20px 16px 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-dim);
  border-radius: 9px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}
.form-group label {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 14px;
  pointer-events: none;
  transition: all 0.2s;
}
.form-group textarea ~ label { top: 18px; transform:none; }
.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
  top: 7px; transform:none;
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.04em;
}
.form-group textarea { min-height:120px; resize:vertical; }
.btn-send {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--purple) 100%);
  color: var(--bg);
  font-weight: 700;
  font-size: 14px;
  font-family: var(--font-mono);
  cursor: pointer;
  letter-spacing: 0.06em;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.btn-send::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn-send:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,212,255,0.4);
}
.btn-send:hover::after { opacity:1; }
.form-hint { font-family: var(--font-mono); font-size: 11px; color: var(--muted); text-align: center; margin-top: -0.4rem; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  border-top: 1px solid var(--border-dim);
  padding: 32px 8%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.footer-links {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}
.footer-links a {
  color: var(--muted);
  transition: color 0.25s;
  display: flex;
}
.footer-links a:hover { color: var(--cyan); }
.footer-links svg { width:20px; height:20px; }

/* ============================================
   SCROLL REVEAL
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.75s var(--ease-out), transform 0.75s var(--ease-out);
}
.reveal.visible { opacity:1; transform:none; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width:1200px) {
  .nav-links { gap: 1.5rem; }
  .nav-links a { font-size: 0.85rem; }
}

@media (max-width:1024px) {
  .navbar { padding: 1.25rem 6%; }
  .navbar.scrolled { padding: 0.875rem 6%; }
  .section { padding: 80px 6%; }
  .hero { padding: 0 6%; gap: 40px; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-photo-card { margin: 0 auto; width: 280px; height: 340px; }
  .contact-card { padding: 40px; }
  .skills-sphere { width: 440px; height: 440px; }
}

@media (max-width:768px) {
  .hero {
    flex-direction: column-reverse;
    text-align: center;
    padding: 6rem 5% 2rem;
    gap: 2rem;
    min-height: 100dvh;
  }
  .hero-title { font-size: clamp(2.2rem, 8vw, 3.5rem); }
  .hero-buttons { justify-content: center; }
  .hero-proof { justify-content: center; }
  .avail-badge { justify-content: center; }
  .hero-globe-wrap { width:280px; height:280px; }
  .profile-photo-ring { width:130px; height:130px; }
  .nav-links, .nav-badge { display:none; }
  .mobile-toggle { display:flex; }
  .section { padding: 60px 5%; }
  .section-num, .section-ttl { font-size: 1.8rem; }
  .stats-bar { gap:0; }
  .stat-item { padding: 0 28px; }
  .stat-number { font-size: 2.4rem; }
  .timeline::before { left:20px; }
  .pub-card { grid-template-columns: 36px minmax(0, 1fr); padding: 18px; gap: 10px; }
  .exp-grid { grid-template-columns: 1fr; }
  .t-item { width:100%; left:0 !important; padding: 1rem 0 1rem 52px !important; }
  .t-dot { left:14px !important; right:auto !important; top:1.75rem; }
  .credly-row { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap:2rem; }
  .contact-card { padding: 28px 20px; }
  .skills-sphere { width:320px; height:320px; }
  .footer { flex-direction:column; text-align:center; }
}

@media (max-width:480px) {
  .stat-item { padding: 0 16px; }
  .hero-title { font-size: 2.2rem; }
  .about-photo-card { width: 240px; height: 290px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  /* Skip the glitch intro entirely when the visitor has animations turned off */
  .glitch::before, .glitch::after { animation: none !important; }
}