/* ============================================
   SAMEER KUMAR – PORTFOLIO STYLESHEET
   Stack: Custom CSS | No Bootstrap
   Theme: Dark Futuristic | Cyan + Purple
   ============================================ */

/* ---- CSS Variables ---- */
:root {
  --primary: #00D4FF;
  --secondary: #6C63FF;
  --bg: #0B0F19;
  --bg-card: #131A2A;
  --bg-card2: #1A2236;
  --text: #FFFFFF;
  --muted: #A0AEC0;
  --border: rgba(255,255,255,0.07);
  --glow-cyan: rgba(0, 212, 255, 0.25);
  --glow-purple: rgba(108, 99, 255, 0.25);
  --glass-bg: rgba(19, 26, 42, 0.65);
  --glass-border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s ease;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.7;
  cursor: none;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ---- Selection ---- */
::selection { background: rgba(0, 212, 255, 0.3); color: #fff; }

/* ============================================
   CUSTOM CURSOR
   ============================================ */
.cursor {
  width: 10px; height: 10px;
  background: var(--primary);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s ease, background 0.3s;
  box-shadow: 0 0 12px var(--primary);
}
.cursor-follower {
  width: 36px; height: 36px;
  border: 1.5px solid rgba(0, 212, 255, 0.5);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease, opacity 0.3s;
}
.cursor-grow .cursor { transform: translate(-50%,-50%) scale(2.5); background: var(--secondary); }
.cursor-grow .cursor-follower { transform: translate(-50%,-50%) scale(1.5); opacity: 0.4; }

/* ============================================
   LOADER
   ============================================ */
#loader {
  position: fixed; inset: 0;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  z-index: 99999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#loader.hidden { opacity: 0; visibility: hidden; }

.loader-inner { text-align: center; }
.loader-logo {
  font-family: var(--font-display);
  font-size: 3rem; font-weight: 700;
  color: var(--primary);
  text-shadow: 0 0 30px var(--primary);
  margin-bottom: 2rem;
  letter-spacing: 2px;
  animation: pulse-glow 1.2s ease-in-out infinite;
}
.loader-bar {
  width: 220px; height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 99px;
  overflow: hidden;
  margin: 0 auto 1rem;
}
.loader-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 99px;
  width: 0;
  animation: load-bar 2s ease forwards;
}
.loader-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

@keyframes load-bar { to { width: 100%; } }
@keyframes pulse-glow {
  0%, 100% { text-shadow: 0 0 20px var(--primary); }
  50% { text-shadow: 0 0 50px var(--primary), 0 0 80px var(--secondary); }
}

/* ============================================
   PARTICLE CANVAS
   ============================================ */
#particle-canvas {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
}

/* ============================================
   NAVBAR
   ============================================ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 2rem;
  transition: background 0.4s ease, box-shadow 0.4s ease;
}
#navbar.scrolled {
  background: rgba(11, 15, 25, 0.9);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-container {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.3rem; font-weight: 700;
  color: var(--primary);
  letter-spacing: 1px;
}
.logo-bracket { color: var(--secondary); }
.nav-links {
  display: flex; align-items: center; gap: 0.25rem;
}
.nav-link {
  font-family: var(--font-body);
  font-size: 0.875rem; font-weight: 500;
  color: var(--muted);
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: rgba(0, 212, 255, 0.08);
}
.hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 7rem 0; position: relative; z-index: 1; }
.section-alt { background: linear-gradient(180deg, transparent, rgba(108,99,255,0.03), transparent); }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem; font-weight: 500;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 3px;
  display: block; margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  background: linear-gradient(135deg, #fff 30%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Glassmorphism */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  font-family: var(--font-body);
  font-size: 0.9rem; font-weight: 600;
  border-radius: var(--radius-sm);
  border: none; cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  position: relative; overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(255,255,255,0.08);
  opacity: 0;
  transition: opacity var(--transition);
}
.btn:hover::after { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #0099cc);
  color: #0B0F19;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}
.btn-primary:hover { box-shadow: 0 6px 28px rgba(0, 212, 255, 0.5); transform: translateY(-2px); }

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary), #4a43cc);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108, 99, 255, 0.3);
}
.btn-secondary:hover { box-shadow: 0 6px 28px rgba(108, 99, 255, 0.5); transform: translateY(-2px); }

.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text);
  border: 1px solid var(--glass-border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }

.btn-full { width: 100%; justify-content: center; }

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 100px 2rem 4rem;
  max-width: 1200px; margin: 0 auto;
  gap: 4rem;
  position: relative; z-index: 1;
}
.hero-content { flex: 1; max-width: 600px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 99px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
  animation: fadeInDown 0.8s ease;
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--primary);
  animation: blink 1.5s ease-in-out infinite;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

.hero-greeting {
  font-size: 1.25rem;
  color: var(--muted);
  font-weight: 400;
  animation: fadeInUp 0.8s ease 0.1s both;
}
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  background: linear-gradient(135deg, #fff 0%, var(--primary) 50%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-typed-wrapper {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--primary);
  min-height: 2rem;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease 0.3s both;
}
.typed-cursor { animation: blink 0.8s step-end infinite; color: var(--secondary); }
.hero-desc {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 2rem;
  animation: fadeInUp 0.8s ease 0.4s both;
  max-width: 500px;
}
.hero-buttons {
  display: flex; flex-wrap: wrap; gap: 0.85rem;
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.8s ease 0.5s both;
}
.hero-socials {
  display: flex; gap: 1rem;
  animation: fadeInUp 0.8s ease 0.6s both;
}
.hero-socials a {
  display: flex; align-items: center; justify-content: center;
  width: 42px; height: 42px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  font-size: 1rem;
  color: var(--muted);
  transition: all var(--transition);
}
.hero-socials a:hover { color: var(--primary); border-color: var(--primary); background: rgba(0,212,255,0.1); transform: translateY(-3px); }

/* ============================================
   HERO VISUAL – PREMIUM PHOTO FRAME
   ============================================ */
.hero-visual {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  min-height: 480px;
  animation: fadeIn 1s ease 0.5s both;
}

/* Background decorative rings */
.visual-rings { position: absolute; inset: 0; pointer-events: none; }
.v-ring {
  position: absolute; border-radius: 50%;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  border: 1px solid rgba(0, 212, 255, 0.06);
}
.v-ring-1 { width: 420px; height: 420px; animation: ring-spin 30s linear infinite; }
.v-ring-2 { width: 520px; height: 520px; border-color: rgba(108,99,255,0.05); animation: ring-spin 45s linear infinite reverse; }
.v-ring-3 { width: 350px; height: 350px; border-color: rgba(0,212,255,0.04); animation: ring-spin 20s linear infinite; }

/* Main photo frame container */
.photo-frame {
  position: relative;
  width: 300px; height: 300px;
  flex-shrink: 0;
}

/* Spinning gradient ring */
.ring-svg {
  position: absolute; inset: -20px;
  width: calc(100% + 40px); height: calc(100% + 40px);
  animation: ring-spin 8s linear infinite;
  z-index: 1;
}
.ring-track { fill: none; stroke: rgba(255,255,255,0.05); stroke-width: 1.5; }
.ring-progress {
  fill: none;
  stroke: url(#ring-gradient);
  stroke-width: 2;
  stroke-dasharray: 942;
  stroke-dashoffset: 942;
  stroke-linecap: round;
  animation: ring-fill 2s ease 1.2s forwards;
}

/* Glow halo behind photo */
.photo-border-glow {
  position: absolute; inset: -18px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--primary), var(--secondary), transparent, var(--primary));
  animation: ring-spin 6s linear infinite;
  opacity: 0.5;
  filter: blur(16px);
}

/* Photo wrapper – hexagon-ish clipped circle */
.photo-wrap {
  position: absolute; inset: 6px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg-card);
  z-index: 2;
  box-shadow:
    0 0 0 3px rgba(0,212,255,0.25),
    0 20px 60px rgba(0,0,0,0.6),
    inset 0 0 40px rgba(0,212,255,0.05);
}
.profile-photo {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top;
  display: block;
  transition: transform 0.5s ease;
  filter: brightness(0.95) saturate(1.1);
}
.photo-wrap:hover .profile-photo { transform: scale(1.05); }

/* Subtle colour overlay for photo integration */
.photo-overlay {
  position: absolute; inset: 0;
  border-radius: 50%;
  background: linear-gradient(
    160deg,
    rgba(0,212,255,0.08) 0%,
    transparent 40%,
    rgba(108,99,255,0.08) 100%
  );
  pointer-events: none;
}

/* Orbit dots */
.orbit-dot {
  position: absolute;
  width: 11px; height: 11px;
  border-radius: 50%;
  top: 50%; left: 50%;
  z-index: 3;
}
.orbit-dot-1 {
  background: var(--primary);
  box-shadow: 0 0 12px var(--primary), 0 0 24px rgba(0,212,255,0.4);
  animation: orbit1 6s linear infinite;
}
.orbit-dot-2 {
  background: var(--secondary);
  box-shadow: 0 0 12px var(--secondary), 0 0 24px rgba(108,99,255,0.4);
  animation: orbit2 9s linear infinite;
}
.orbit-dot-3 {
  background: #ff6584;
  box-shadow: 0 0 12px #ff6584;
  animation: orbit3 12s linear infinite;
}
@keyframes orbit1 { from { transform: rotate(0deg) translateX(170px) translateY(-50%); } to { transform: rotate(360deg) translateX(170px) translateY(-50%); } }
@keyframes orbit2 { from { transform: rotate(120deg) translateX(170px) translateY(-50%); } to { transform: rotate(480deg) translateX(170px) translateY(-50%); } }
@keyframes orbit3 { from { transform: rotate(240deg) translateX(170px) translateY(-50%); } to { transform: rotate(600deg) translateX(170px) translateY(-50%); } }

/* Corner accent brackets */
.corner {
  position: absolute; width: 22px; height: 22px;
  z-index: 4;
}
.corner::before, .corner::after {
  content: ''; position: absolute;
  background: var(--primary);
  border-radius: 2px;
}
.corner::before { width: 3px; height: 100%; }
.corner::after  { width: 100%; height: 3px; }
.c-tl { top: -6px; left: -6px; }
.c-tr { top: -6px; right: -6px; transform: rotate(90deg); }
.c-bl { bottom: -6px; left: -6px; transform: rotate(-90deg); }
.c-br { bottom: -6px; right: -6px; transform: rotate(180deg); }

/* Status badge below photo */
.photo-status-badge {
  position: absolute;
  bottom: -18px; left: 50%;
  transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 99px;
  font-family: var(--font-mono);
  font-size: 0.72rem; font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
  z-index: 5;
  box-shadow: 0 4px 20px rgba(0,212,255,0.15);
  backdrop-filter: blur(10px);
}

/* Floating info cards */
.floating-card {
  position: absolute;
  display: flex; align-items: center; gap: 0.55rem;
  padding: 0.6rem 1.1rem;
  background: rgba(13, 20, 35, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  font-size: 0.8rem; font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  z-index: 4;
}
.floating-card i { font-size: 1rem; }
.card-ml { top: 5%; right: -14%; animation: float1 4s ease-in-out infinite; color: var(--primary); border-color: rgba(0,212,255,0.2); }
.card-ml i { color: var(--primary); }
.card-web { bottom: 22%; right: -16%; animation: float2 5s ease-in-out infinite; color: var(--secondary); border-color: rgba(108,99,255,0.2); }
.card-web i { color: var(--secondary); }
.card-data { bottom: 8%; left: -10%; animation: float3 4.5s ease-in-out infinite; color: #ff6584; border-color: rgba(255,101,132,0.2); }
.card-data i { color: #ff6584; }

@keyframes float1 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@keyframes float2 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes float3 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes glow-pulse { 0%,100% { opacity: 0.5; transform: scale(1); } 50% { opacity: 1; transform: scale(1.1); } }
@keyframes ring-fill { to { stroke-dashoffset: 0; } }
@keyframes ring-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ============================================
   ABOUT
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.about-text p {
  color: var(--muted);
  margin-bottom: 1.2rem;
  font-size: 1.025rem;
}
.about-text strong { color: var(--text); }
.about-tags {
  display: flex; flex-wrap: wrap; gap: 0.6rem;
  margin-top: 1.5rem;
}
.tag {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  background: rgba(0, 212, 255, 0.07);
  border: 1px solid rgba(0, 212, 255, 0.18);
  border-radius: 99px;
  font-size: 0.82rem; font-weight: 500;
  color: var(--primary);
  transition: all var(--transition);
}
.tag:hover { background: rgba(0, 212, 255, 0.15); }

.about-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.stat-card {
  border-radius: var(--radius);
  padding: 1.8rem 1.5rem;
  text-align: center;
  position: relative; overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
.stat-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}
.stat-icon { font-size: 1.6rem; margin-bottom: 0.75rem; color: var(--primary); }
.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem; font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.4rem;
}
.stat-number::after { content: '+'; }
.stat-label { font-size: 0.82rem; color: var(--muted); font-weight: 500; }

/* ============================================
   SKILLS
   ============================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.skill-category {
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.skill-category:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.3); }
.skill-cat-header {
  display: flex; align-items: center; gap: 0.9rem;
  margin-bottom: 1.5rem;
}
.skill-cat-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: #0B0F19;
  flex-shrink: 0;
}
.skill-cat-header h3 {
  font-family: var(--font-display);
  font-size: 1.05rem; font-weight: 600;
}
.skill-items { display: flex; flex-direction: column; gap: 1rem; }
.skill-item {}
.skill-info {
  display: flex; justify-content: space-between;
  font-size: 0.875rem; font-weight: 500;
  margin-bottom: 0.45rem;
}
.skill-info span:last-child { color: var(--primary); font-family: var(--font-mono); }
.skill-bar {
  height: 5px;
  background: rgba(255,255,255,0.07);
  border-radius: 99px; overflow: hidden;
}
.skill-fill {
  height: 100%; width: 0;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Tech pill cloud */
.tech-pills {
  display: flex; flex-wrap: wrap; gap: 0.6rem;
  justify-content: center;
}
.pill {
  padding: 0.4rem 1rem;
  background: rgba(108, 99, 255, 0.08);
  border: 1px solid rgba(108, 99, 255, 0.2);
  border-radius: 99px;
  font-size: 0.8rem; font-weight: 500;
  color: var(--secondary);
  transition: all var(--transition);
}
.pill:hover { background: rgba(108, 99, 255, 0.18); transform: translateY(-2px); }

/* ============================================
   PROJECTS
   ============================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}
.project-card {
  border-radius: var(--radius);
  padding: 2rem;
  position: relative; overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.project-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}
.project-card:hover { transform: translateY(-8px); box-shadow: 0 24px 50px rgba(0,0,0,0.4); }
.project-card:hover::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,212,255,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.project-top {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1.25rem;
}
.project-icon {
  width: 50px; height: 50px;
  background: linear-gradient(135deg, rgba(0,212,255,0.15), rgba(108,99,255,0.15));
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; color: var(--primary);
}
.project-links { display: flex; gap: 0.5rem; }
.project-link {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; color: var(--muted);
  transition: all var(--transition);
}
.project-link:hover { color: var(--primary); border-color: var(--primary); background: rgba(0,212,255,0.1); }

.project-badge {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  background: linear-gradient(135deg, rgba(0,212,255,0.12), rgba(108,99,255,0.12));
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 99px;
  font-size: 0.72rem; font-weight: 600;
  color: var(--primary);
  text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
}
.project-title {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 700;
  margin-bottom: 0.25rem;
}
.project-subtitle { font-size: 0.875rem; color: var(--primary); margin-bottom: 1rem; font-weight: 500; }
.project-desc { font-size: 0.925rem; color: var(--muted); line-height: 1.75; margin-bottom: 1.25rem; }

.project-features {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  margin-bottom: 1.25rem;
}
.feature-tag {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.78rem; color: var(--muted);
  background: rgba(255,255,255,0.04);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.feature-tag i { color: var(--primary); font-size: 0.7rem; }

.project-tech {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
}
.project-tech span {
  padding: 0.2rem 0.65rem;
  background: rgba(108, 99, 255, 0.1);
  border: 1px solid rgba(108, 99, 255, 0.2);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--secondary);
}

/* ============================================
   CERTIFICATIONS
   ============================================ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}
.cert-card {
  border-radius: var(--radius);
  padding: 2rem;
  display: flex; flex-direction: column; gap: 1.25rem;
  position: relative; overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.cert-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(0,0,0,0.35); }
.cert-card::before {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}
.cert-logo {
  width: 60px; height: 60px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1rem; font-family: var(--font-mono);
  flex-shrink: 0;
}
.cert-ibm { background: linear-gradient(135deg, #0043ce, #0066ff); color: #fff; }
.cert-cisco { background: linear-gradient(135deg, #1BA0D7, #0077a3); color: #fff; font-size: 1.4rem; }
.cert-ec { background: linear-gradient(135deg, #d4380d, #ff6b35); color: #fff; font-size: 1.4rem; }
.cert-body h3 { font-family: var(--font-display); font-size: 1.05rem; font-weight: 600; margin-bottom: 0.3rem; }
.cert-issuer { font-size: 0.8rem; color: var(--primary); font-weight: 600; margin-bottom: 0.5rem; font-family: var(--font-mono); }
.cert-desc { font-size: 0.875rem; color: var(--muted); line-height: 1.6; }
.cert-badge {
  position: absolute; top: 1.2rem; right: 1.2rem;
  color: rgba(255, 215, 0, 0.6);
  font-size: 1.2rem;
}

/* ============================================
   ACHIEVEMENTS – TIMELINE
   ============================================ */
.timeline {
  position: relative;
  max-width: 800px; margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--secondary));
  transform: translateX(-50%);
}
.timeline-item {
  position: relative;
  padding: 1.5rem 0 1.5rem 55%;
  margin-bottom: 2rem;
}
.timeline-right { padding: 1.5rem 55% 1.5rem 0; text-align: right; }
.timeline-icon {
  position: absolute;
  left: 50%; top: 1.75rem;
  transform: translateX(-50%);
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: #0B0F19;
  z-index: 1;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}
.timeline-content {
  border-radius: var(--radius);
  padding: 1.6rem;
  position: relative;
}
.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.72rem; font-weight: 700;
  color: var(--primary);
  text-transform: uppercase; letter-spacing: 2px;
  margin-bottom: 0.5rem;
}
.timeline-content h3 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; margin-bottom: 0.75rem; }
.timeline-content p { font-size: 0.9rem; color: var(--muted); line-height: 1.7; margin-bottom: 1rem; }
.timeline-tag {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.25rem 0.75rem;
  background: linear-gradient(135deg, rgba(0,212,255,0.1), rgba(108,99,255,0.1));
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 99px;
  font-size: 0.75rem; color: var(--primary);
  font-weight: 600;
}
.timeline-tag i { color: gold; font-size: 0.7rem; }

/* ============================================
   EDUCATION
   ============================================ */
.edu-card {
  border-radius: var(--radius);
  padding: 3rem;
  display: flex; gap: 2rem; align-items: flex-start;
  max-width: 800px; margin: 0 auto;
  position: relative; overflow: hidden;
  transition: box-shadow var(--transition);
}
.edu-card:hover { box-shadow: 0 20px 50px rgba(0, 212, 255, 0.1); }
.edu-card::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--primary), var(--secondary));
}
.edu-icon {
  width: 70px; height: 70px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; color: #0B0F19;
  flex-shrink: 0;
}
.edu-degree {
  font-family: var(--font-display);
  font-size: 1.4rem; font-weight: 700;
  margin-bottom: 0.35rem;
}
.edu-school {
  font-size: 1.05rem; font-weight: 600;
  color: var(--primary); margin-bottom: 0.7rem;
}
.edu-location, .edu-duration {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.875rem; color: var(--muted);
  margin-bottom: 0.35rem;
}
.edu-location i, .edu-duration i { color: var(--secondary); }
.edu-desc { font-size: 0.925rem; color: var(--muted); line-height: 1.75; margin: 1rem 0; }
.edu-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.edu-tags span {
  padding: 0.25rem 0.7rem;
  background: rgba(108, 99, 255, 0.08);
  border: 1px solid rgba(108, 99, 255, 0.2);
  border-radius: 6px;
  font-size: 0.78rem; color: var(--secondary);
  font-family: var(--font-mono);
}
.edu-glow {
  position: absolute; right: -60px; top: 50%;
  transform: translateY(-50%);
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(0,212,255,0.08), transparent 70%);
  pointer-events: none;
}

/* ============================================
   GITHUB STATS
   ============================================ */
.github-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin-bottom: 3rem;
}
.github-stat-card {
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.github-stat-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0,0,0,0.3); }
.gh-icon { font-size: 1.8rem; color: var(--primary); margin-bottom: 0.75rem; }
.gh-number {
  font-family: var(--font-display);
  font-size: 2.2rem; font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1; margin-bottom: 0.4rem;
}
.gh-label { font-size: 0.82rem; color: var(--muted); font-weight: 500; }

.github-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem; margin-bottom: 2.5rem;
}
.github-img {
  width: 100%; border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.github-img:hover { transform: scale(1.02); box-shadow: 0 16px 40px rgba(0,0,0,0.4); }
.github-cta { text-align: center; }

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem; align-items: start;
}
.contact-intro {
  font-size: 1.025rem; color: var(--muted);
  line-height: 1.8; margin-bottom: 2rem;
}
.contact-items { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.contact-item {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  transition: transform var(--transition);
}
.contact-item:hover { transform: translateX(5px); }
.contact-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(0,212,255,0.12), rgba(108,99,255,0.12));
  border: 1px solid rgba(0,212,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: var(--primary);
  flex-shrink: 0;
}
.contact-item-label { font-size: 0.75rem; color: var(--muted); font-weight: 500; margin-bottom: 0.1rem; text-transform: uppercase; letter-spacing: 1px; }
.contact-item a, .contact-item span { font-size: 0.9rem; color: var(--text); transition: color var(--transition); }
.contact-item a:hover { color: var(--primary); }

.contact-socials { display: flex; gap: 0.75rem; }
.social-btn {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: var(--muted);
  transition: all var(--transition);
}
.social-btn:hover { color: var(--primary); border-color: var(--primary); background: rgba(0,212,255,0.1); transform: translateY(-4px); }

/* Form */
.contact-form {
  border-radius: var(--radius);
  padding: 2.5rem;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-size: 0.82rem; font-weight: 600;
  color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.8px; margin-bottom: 0.5rem;
}
.form-group input, .form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--text);
  font-family: var(--font-body); font-size: 0.925rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
  outline: none;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}
.form-group input.error, .form-group textarea.error { border-color: #ff6584; }
.form-error { display: block; font-size: 0.78rem; color: #ff6584; margin-top: 0.3rem; min-height: 1.1em; }

.form-success {
  display: flex; align-items: center; gap: 0.5rem;
  color: var(--primary);
  font-size: 0.9rem; font-weight: 500;
  margin-top: 1rem;
}
.form-success i { font-size: 1.1rem; }
.hidden { display: none !important; }

/* ============================================
   FOOTER
   ============================================ */
#footer {
  background: rgba(0,0,0,0.4);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
  position: relative; z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem; margin-bottom: 3rem;
}
.footer-logo {
  font-family: var(--font-mono);
  font-size: 1.5rem; font-weight: 700;
  color: var(--primary); margin-bottom: 1rem;
}
.footer-brand p { font-size: 0.9rem; color: var(--muted); line-height: 1.7; margin-bottom: 1.5rem; }
.footer-socials { display: flex; gap: 0.75rem; }
.footer-socials a {
  width: 38px; height: 38px;
  border-radius: 9px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem; color: var(--muted);
  transition: all var(--transition);
}
.footer-socials a:hover { color: var(--primary); border-color: var(--primary); background: rgba(0,212,255,0.1); transform: translateY(-3px); }
.footer-links h4 {
  font-family: var(--font-display);
  font-size: 0.95rem; font-weight: 700;
  margin-bottom: 1.25rem; color: var(--text);
}
.footer-links li { margin-bottom: 0.6rem; }
.footer-links a { font-size: 0.875rem; color: var(--muted); transition: color var(--transition); }
.footer-links a:hover { color: var(--primary); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 2rem; border-top: 1px solid var(--border);
  font-size: 0.85rem; color: var(--muted);
}
.footer-made i { color: #ff6584; }

/* Back to Top */
#back-to-top {
  position: fixed; bottom: 2rem; right: 2rem;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: #0B0F19;
  z-index: 999;
  opacity: 0; visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(0,212,255,0.3);
}
#back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
#back-to-top:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,212,255,0.5); }

/* ============================================
   MOUSE GLOW
   ============================================ */
.mouse-glow {
  position: fixed; pointer-events: none;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.04) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  z-index: 0;
  transition: top 0.15s ease, left 0.15s ease;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero { flex-direction: column; text-align: center; padding-top: 120px; gap: 3rem; }
  .hero-content { max-width: 100%; }
  .hero-buttons { justify-content: center; }
  .hero-socials { justify-content: center; }
  .hero-desc { margin: 0 auto 2rem; }
  .hero-visual { min-height: 320px; }

  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .timeline::before { left: 24px; }
  .timeline-item { padding: 0 0 2rem 70px; }
  .timeline-right { padding: 0 0 2rem 70px; text-align: left; }
  .timeline-icon { left: 24px; }

  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed; top: 70px; left: 0; right: 0;
    background: rgba(11,15,25,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0.25rem;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.4s ease, opacity 0.4s ease;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; }
  .nav-link { padding: 0.7rem 1rem; display: block; }
  .hamburger { display: flex; }

  .hero-name { font-size: 2.8rem; }
  .photo-frame { width: 240px; height: 240px; }
  .floating-card { display: none; }
  .photo-status-badge { font-size: 0.65rem; bottom: -22px; }

  .about-stats { grid-template-columns: 1fr 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .github-grid { grid-template-columns: repeat(2, 1fr); }
  .github-images { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }

  .edu-card { flex-direction: column; padding: 2rem; }
}

@media (max-width: 480px) {
  .section { padding: 5rem 0; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .github-grid { grid-template-columns: 1fr 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .contact-form { padding: 1.5rem; }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
  html { scroll-behavior: auto; }
}