/* ===================================================
   PRADEEP NALAWADE โ€” PORTFOLIO STYLESHEET
   Modern Dark Theme ยท Blue/Cyan Accent
   =================================================== */

/* ---------- CSS VARIABLES ---------- */
:root {
  --bg-primary:      #080c14;
  --bg-secondary:    #0d1425;
  --bg-card:         #111827;
  --bg-card-hover:   #151e2e;
  --bg-glass:        rgba(17, 24, 39, 0.7);

  --accent-cyan:     #06c8e8;
  --accent-blue:     #3b8bff;
  --accent-purple:   #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #06c8e8 0%, #3b8bff 100%);
  --accent-glow:     rgba(6, 200, 232, 0.25);

  --text-primary:    #f0f6ff;
  --text-secondary:  #94a3b8;
  --text-muted:      #4b5a72;

  --border:          rgba(6, 200, 232, 0.12);
  --border-card:     rgba(255, 255, 255, 0.06);

  --shadow-card:     0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow:     0 0 40px rgba(6, 200, 232, 0.15);

  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-lg:   20px;
  --radius-xl:   28px;

  --nav-h:       68px;
  --transition:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.accent { color: var(--accent-cyan); }

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

/* ===================================================
   NAVBAR
   =================================================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

.navbar.scrolled {
  background: rgba(8, 12, 20, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border), 0 4px 24px rgba(0,0,0,0.4);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: opacity var(--transition);
}
.nav-logo:hover { opacity: 0.8; }
.logo-bracket { opacity: 0.6; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 2px;
  background: var(--accent-gradient);
  border-radius: 1px;
  transition: width var(--transition);
}
.nav-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.nav-link:hover::after, .nav-link.active::after { width: 20px; }
.nav-link.active { color: var(--accent-cyan); }

.cta-link {
  background: var(--accent-gradient) !important;
  color: #fff !important;
  padding: 8px 20px !important;
  border-radius: var(--radius-md) !important;
  font-weight: 600 !important;
  box-shadow: 0 0 20px rgba(6,200,232,0.3);
}
.cta-link::after { display: none !important; }
.cta-link:hover { transform: translateY(-1px); box-shadow: 0 0 30px rgba(6,200,232,0.5); filter: brightness(1.1); }

/* Nav GitHub */
.nav-github {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-card);
  transition: all var(--transition);
  margin-right: 4px;
  flex-shrink: 0;
}
.nav-github:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.25);
  transform: scale(1.1);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================================================
   BUTTONS
   =================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 0 24px rgba(6,200,232,0.35), 0 4px 16px rgba(0,0,0,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(6,200,232,0.5), 0 8px 24px rgba(0,0,0,0.3);
  filter: brightness(1.1);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(6,200,232,0.15);
  transform: translateY(-2px);
}

.btn-lg { padding: 16px 36px; font-size: 1rem; border-radius: var(--radius-lg); }

/* ===================================================
   SCROLL REVEAL ANIMATION
   =================================================== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================================
   SECTIONS COMMON
   =================================================== */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  background: rgba(6, 200, 232, 0.1);
  border: 1px solid rgba(6, 200, 232, 0.2);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.1;
}

.section-subtitle {
  margin-top: 16px;
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* ===================================================
   HERO SECTION
   =================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-h) + 40px) 24px 60px;
}

/* Grid Background */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(6,200,232,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6,200,232,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, white 30%, transparent 80%);
}

/* Orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(6,200,232,0.15) 0%, transparent 70%);
  top: -100px; right: -100px;
  animation: floatOrb 8s ease-in-out infinite;
}
.hero-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(59,139,255,0.12) 0%, transparent 70%);
  bottom: -80px; left: -80px;
  animation: floatOrb 10s ease-in-out infinite reverse;
}
.hero-orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(139,92,246,0.1) 0%, transparent 70%);
  top: 40%; left: 30%;
  animation: floatOrb 12s ease-in-out infinite 2s;
}

@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(20px, -30px) scale(1.05); }
  66%       { transform: translate(-15px, 20px) scale(0.95); }
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
  max-width: 760px;
}

/* Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(6, 200, 232, 0.08);
  border: 1px solid rgba(6, 200, 232, 0.2);
  border-radius: 100px;
  padding: 8px 20px;
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: 500;
  margin-bottom: 28px;
}
.badge-dot {
  width: 8px; height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse-green 2s ease infinite;
}
@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.5); }
  50%       { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}

/* Name */
.hero-name {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 24px;
}
.name-greeting {
  font-size: clamp(1rem, 2vw, 1.1rem);
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 0.05em;
}
.name-text {
  font-size: clamp(2.8rem, 8vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(135deg, #ffffff 0%, #94d8ff 50%, #06c8e8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 30px rgba(6,200,232,0.3));
}

/* Title chips */
.hero-title {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}
.title-chip {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-card);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}
.title-separator { color: var(--text-muted); }

/* Tagline */
.hero-tagline {
  font-size: clamp(1.05rem, 2.5vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 36px;
  line-height: 1.7;
  font-style: italic;
}

/* Actions */
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

/* Scroll hint */
.hero-scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}
.scroll-mouse {
  width: 24px; height: 38px;
  border: 2px solid rgba(6,200,232,0.3);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-wheel {
  width: 3px; height: 8px;
  background: var(--accent-cyan);
  border-radius: 2px;
  animation: scrollWheel 2s ease infinite;
}
@keyframes scrollWheel {
  0%   { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

/* Floating Icons */
.floating-icons { position: absolute; inset: 0; pointer-events: none; z-index: 1; }
.float-icon {
  position: absolute;
  font-size: 1.5rem;
  opacity: 0.15;
  animation: floatIcon 6s ease-in-out infinite;
}
.f1 { top: 20%; left: 8%;  animation-delay: 0s;   animation-duration: 7s; }
.f2 { top: 60%; left: 5%;  animation-delay: 1s;   animation-duration: 9s; }
.f3 { top: 25%; right: 8%; animation-delay: 0.5s; animation-duration: 8s; }
.f4 { top: 65%; right: 6%; animation-delay: 2s;   animation-duration: 6s; }
.f5 { top: 45%; left: 12%; animation-delay: 1.5s; animation-duration: 10s; }

@keyframes floatIcon {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%       { transform: translateY(-20px) rotate(5deg); }
}

/* ===================================================
   ABOUT SECTION
   =================================================== */
.about { background: var(--bg-secondary); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: center;
}

/* Avatar Card */
.avatar-card {
  position: relative;
  width: 280px;
  height: 280px;
  margin: 0 auto;
}

.avatar-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid transparent;
  background: linear-gradient(var(--bg-secondary), var(--bg-secondary)) padding-box,
              var(--accent-gradient) border-box;
  animation: spin 8s linear infinite;
}
.ring-1 { animation-duration: 8s; }
.ring-2 { inset: 10px; border-width: 1px; opacity: 0.4; animation-duration: 12s; animation-direction: reverse; }

.avatar-inner {
  position: absolute;
  inset: 24px;
  background: var(--bg-card);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  z-index: 2;
}
.avatar-icon { font-size: 4rem; }
.avatar-glow {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6,200,232,0.1) 0%, transparent 70%);
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Stat Badges */
.avatar-stat {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4), 0 0 16px rgba(6,200,232,0.1);
  z-index: 5;
  backdrop-filter: blur(8px);
}
.stat-num {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent-cyan);
  line-height: 1;
}
.stat-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.stat-1 { bottom: -16px; left: -20px; }
.stat-2 { top: -16px;    left: -20px; }
.stat-3 { bottom: -16px; right: -20px; }


.about-intro {
  font-size: 1.15rem;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.75;
  font-weight: 500;
}
.about-body {
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.8;
}

.about-interests {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.interest-chip {
  padding: 8px 16px;
  background: rgba(6,200,232,0.06);
  border: 1px solid rgba(6,200,232,0.15);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
  cursor: default;
}
.interest-chip:hover {
  background: rgba(6,200,232,0.12);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* ===================================================
   SKILLS SECTION
   =================================================== */

.skills-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(59,139,255,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 860px;
  margin: 0 auto;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(6,200,232,0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}
.skill-card:hover { transform: translateY(-6px); border-color: rgba(6,200,232,0.3); box-shadow: var(--shadow-glow), var(--shadow-card); }
.skill-card:hover::before { opacity: 1; }

.skill-icon { width: 40px; height: 40px; margin-bottom: 20px; }

.skill-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.tag {
  padding: 4px 12px;
  background: rgba(6,200,232,0.08);
  border: 1px solid rgba(6,200,232,0.15);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-cyan);
  font-family: 'JetBrains Mono', monospace;
}

.skill-bars { display: flex; flex-direction: column; gap: 14px; }
.skill-bar-item { display: flex; flex-direction: column; gap: 6px; }
.skill-bar-item > span { font-size: 0.8rem; color: var(--text-secondary); font-weight: 500; }
.skill-bar { height: 5px; background: rgba(255,255,255,0.06); border-radius: 3px; overflow: hidden; }
.skill-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 3px;
  width: 0%;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 8px rgba(6,200,232,0.5);
}

/* ===================================================
   EXPERIENCE SECTION
   =================================================== */
.experience { background: var(--bg-secondary); }

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-blue), transparent);
  opacity: 0.3;
}

.timeline-item {
  display: flex;
  gap: 32px;
  padding-bottom: 48px;
  position: relative;
}
.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 4px;
  position: relative;
  z-index: 2;
  transition: all var(--transition);
}
.active-dot {
  border-color: var(--accent-cyan);
  background: rgba(6,200,232,0.1);
  box-shadow: 0 0 20px rgba(6,200,232,0.3);
}
.dot-pulse {
  width: 10px; height: 10px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulseDot 2s ease infinite;
}
@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(6,200,232,0.5); transform: scale(1); }
  50%       { box-shadow: 0 0 0 8px rgba(6,200,232,0); transform: scale(1.1); }
}

.timeline-dot:not(.active-dot)::after {
  content: '';
  width: 10px; height: 10px;
  background: var(--text-muted);
  border-radius: 50%;
}

.timeline-card {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
}
.timeline-card:hover { border-color: rgba(6,200,232,0.25); box-shadow: var(--shadow-card); transform: translateX(4px); }
.active-card { border-color: rgba(6,200,232,0.2); background: rgba(6,200,232,0.03); }

.tcard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.tcard-badge {
  padding: 3px 12px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.tcard-badge.current { background: rgba(6,200,232,0.15); color: var(--accent-cyan); border: 1px solid rgba(6,200,232,0.3); }
.tcard-badge.past    { background: rgba(148,163,184,0.1); color: var(--text-muted); border: 1px solid rgba(148,163,184,0.15); }

.tcard-date { font-size: 0.8rem; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }

.tcard-role {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.tcard-domain { color: var(--accent-cyan); font-size: 1rem; }

.tcard-company {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
}
.company-logo {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 800;
  font-family: 'JetBrains Mono', monospace;
}
.mm-logo { background: linear-gradient(135deg, #8b5cf6, #3b8bff); color: #fff; }
.ps-logo { background: linear-gradient(135deg, #06c8e8, #0ea5e9); color: #fff; }

.tcard-desc { color: var(--text-secondary); line-height: 1.7; margin-bottom: 18px; font-size: 0.95rem; }
.tcard-desc strong { color: var(--text-primary); }

.tcard-tags, .project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.t-tag, .tech-badge {
  padding: 4px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-card);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.tcard-metric {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(6,200,232,0.06);
  border: 1px solid rgba(6,200,232,0.12);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: 500;
}

/* ===================================================
   PROJECTS SECTION
   =================================================== */

.projects-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 60% at 80% 50%, rgba(139,92,246,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 900px;
  margin: 0 auto;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 36px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.project-card:hover {
  transform: translateY(-8px);
  border-color: rgba(6,200,232,0.3);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 40px rgba(6,200,232,0.1);
}

.project-glow {
  position: absolute;
  top: 0; right: 0;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(6,200,232,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.glow-purple { background: radial-gradient(circle, rgba(139,92,246,0.1) 0%, transparent 70%); }

.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
}
.project-icon { font-size: 2.8rem; }
.project-category {
  padding: 4px 14px;
  background: rgba(6,200,232,0.1);
  border: 1px solid rgba(6,200,232,0.2);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.project-card:nth-child(2) .project-category {
  background: rgba(139,92,246,0.1);
  border-color: rgba(139,92,246,0.25);
  color: var(--accent-purple);
}

.project-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 14px;
  line-height: 1.3;
}

.project-desc { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.75; margin-bottom: 22px; }

.project-highlights { display: flex; flex-direction: column; gap: 8px; margin-bottom: 22px; }
.highlight-item { display: flex; align-items: center; gap: 10px; font-size: 0.85rem; color: var(--text-secondary); }
.highlight-icon { font-size: 1rem; }

.tech-badge {
  background: rgba(255,255,255,0.04) !important;
  border-color: rgba(6,200,232,0.15) !important;
  color: var(--accent-cyan) !important;
  font-family: 'JetBrains Mono', monospace !important;
  font-size: 0.72rem !important;
  font-weight: 600 !important;
}
.project-card:nth-child(2) .tech-badge {
  border-color: rgba(139,92,246,0.2) !important;
  color: var(--accent-purple) !important;
}

/* ===================================================
   EDUCATION SECTION
   =================================================== */
.education { background: var(--bg-secondary); }

.edu-card {
  display: flex;
  gap: 36px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 40px;
  max-width: 860px;
  margin: 0 auto;
  transition: all var(--transition);
}
.edu-card:hover { border-color: rgba(6,200,232,0.25); box-shadow: var(--shadow-glow), var(--shadow-card); }

.edu-icon-wrap {
  flex-shrink: 0;
  width: 72px; height: 72px;
  position: relative;
}
.edu-icon {
  font-size: 2.8rem;
  width: 72px; height: 72px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}
.edu-icon-glow {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6,200,232,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.edu-content { flex: 1; }

.edu-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}

.edu-degree {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 6px;
}
.edu-institution {
  font-size: 0.95rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

.edu-year-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(6,200,232,0.08);
  border: 1px solid rgba(6,200,232,0.2);
  border-radius: 100px;
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-cyan);
  white-space: nowrap;
  flex-shrink: 0;
}
.year-dot { width: 6px; height: 6px; background: var(--accent-cyan); border-radius: 50%; animation: pulse-green 2s ease infinite; }

.edu-divider { height: 1px; background: var(--border-card); margin: 24px 0; }

.coursework-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}
.course-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.course-chip {
  padding: 6px 16px;
  background: rgba(59,139,255,0.07);
  border: 1px solid rgba(59,139,255,0.15);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.course-chip:hover { background: rgba(59,139,255,0.14); border-color: var(--accent-blue); color: var(--text-primary); }

/* ===================================================
   CONTACT SECTION
   =================================================== */
.contact { overflow: hidden; }

.contact-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.contact-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}
.c-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(6,200,232,0.08) 0%, transparent 70%);
  top: -100px; right: -100px;
}
.c-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(59,139,255,0.08) 0%, transparent 70%);
  bottom: -100px; left: -100px;
}

.contact-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 640px;
  margin: 0 auto 40px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 22px 28px;
  transition: all var(--transition);
  cursor: pointer;
}
.contact-card:hover {
  border-color: rgba(6,200,232,0.3);
  background: var(--bg-card-hover);
  transform: translateX(6px);
  box-shadow: -4px 0 20px rgba(6,200,232,0.1), var(--shadow-card);
}

.contact-icon-wrap {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-icon-wrap svg { width: 22px; height: 22px; }

.email-icon    { background: rgba(6,200,232,0.1); color: var(--accent-cyan); }
.phone-icon    { background: rgba(34,197,94,0.1);  color: #22c55e; }
.linkedin-icon { background: rgba(59,130,246,0.1); color: #3b82f6; }
.github-icon   { background: rgba(255,255,255,0.06); color: #e2e8f0; }

.contact-info { flex: 1; }
.contact-label { display: block; font-size: 0.75rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 4px; }
.contact-value { font-size: 0.95rem; color: var(--text-primary); font-weight: 500; transition: color var(--transition); word-break: break-all; }
.contact-card:hover .contact-value { color: var(--accent-cyan); }

.contact-arrow { color: var(--text-muted); font-size: 1.1rem; flex-shrink: 0; transition: transform var(--transition), color var(--transition); }
.contact-card:hover .contact-arrow { transform: translateX(4px); color: var(--accent-cyan); }

.contact-cta { text-align: center; }

/* ===================================================
   FOOTER
   =================================================== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-card);
  padding: 36px 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}
.footer-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-copy { font-size: 0.875rem; color: var(--text-secondary); }
.footer-year { font-size: 0.8rem; color: var(--text-muted); }

/* ===================================================
   CERTIFICATES SECTION
   =================================================== */
.certificates { background: var(--bg-secondary); }

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
  min-height: 100px;
}

.cert-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.cert-empty-icon { font-size: 3rem; margin-bottom: 16px; }
.cert-empty p { font-size: 1rem; line-height: 1.6; }

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
}
.cert-card:hover { transform: translateY(-6px); border-color: rgba(6,200,232,0.3); box-shadow: var(--shadow-glow), var(--shadow-card); }

.cert-card-img {
  height: 170px;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.cert-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.cert-card:hover .cert-card-img img { transform: scale(1.05); }
.cert-no-img { font-size: 3rem; opacity: 0.4; }

.cert-card-overlay {
  position: absolute; inset: 0;
  background: rgba(6,200,232,0.15);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity var(--transition);
  font-weight: 700; color: var(--accent-cyan);
  letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.82rem;
}
.cert-card-img:hover .cert-card-overlay { opacity: 1; }

.cert-card-body { padding: 16px 18px; }
.cert-card-title { font-size: 0.92rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; line-height: 1.4; }
.cert-card-meta { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.cert-issuer { font-size: 0.78rem; color: var(--accent-cyan); font-weight: 600; }
.cert-date { font-size: 0.72rem; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }

.cert-delete {
  position: absolute; top: 8px; right: 8px;
  width: 28px; height: 28px;
  background: rgba(0,0,0,0.65);
  border: none; border-radius: 50%;
  color: #fff; font-size: 0.75rem;
  cursor: pointer; opacity: 0;
  transition: opacity var(--transition), background var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.cert-card:hover .cert-delete { opacity: 1; }
.cert-delete:hover { background: #ef4444; }

.cert-actions { text-align: center; margin-top: 8px; }

/* ---- Modal Base ---- */
.cert-hidden { display: none !important; }

.cert-modal, .cert-view-modal {
  position: fixed; inset: 0; z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.cert-backdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.82);
  backdrop-filter: blur(10px);
}

/* ---- Add Modal ---- */
.cert-modal-box {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 100%; max-width: 540px;
  max-height: 90vh; overflow-y: auto;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
}
.cert-modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 28px;
  border-bottom: 1px solid var(--border-card);
}
.cert-modal-header h3 { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }
.cert-close {
  width: 32px; height: 32px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-card);
  border-radius: 50%;
  color: var(--text-secondary);
  cursor: pointer; font-size: 0.85rem;
  transition: all var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.cert-close:hover { background: rgba(239,68,68,0.15); border-color: #ef4444; color: #ef4444; }

.cert-modal-body { padding: 24px 28px; display: flex; flex-direction: column; gap: 20px; }

.cert-upload-zone {
  border: 2px dashed rgba(6,200,232,0.25);
  border-radius: var(--radius-md);
  height: 150px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  overflow: hidden; position: relative;
}
.cert-upload-zone:hover, .cert-upload-zone.drag-over {
  border-color: var(--accent-cyan);
  background: rgba(6,200,232,0.05);
}
.cert-upload-ph {
  display: flex; flex-direction: column; align-items: center;
  gap: 8px; color: var(--text-muted); text-align: center; padding: 20px;
}
.cert-upload-icon { font-size: 2rem; }
.cert-upload-ph p { font-size: 0.88rem; color: var(--text-secondary); }
.cert-upload-ph span { font-size: 0.74rem; }

.cert-preview-img { width: 100%; height: 100%; object-fit: contain; }

.cert-form { display: flex; flex-direction: column; gap: 14px; }
.cert-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cert-field { display: flex; flex-direction: column; gap: 7px; }
.cert-field label { font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); }
.req { color: var(--accent-cyan); }
.cert-field input {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 10px 13px;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
}
.cert-field input:focus { border-color: var(--accent-cyan); box-shadow: 0 0 0 3px rgba(6,200,232,0.1); }
.cert-field input.input-error { border-color: #ef4444; animation: shake 0.4s ease; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25%       { transform: translateX(-6px); }
  75%       { transform: translateX(6px); }
}
input[type="month"]::-webkit-calendar-picker-indicator { filter: invert(1); opacity: 0.5; }

.cert-modal-footer {
  display: flex; justify-content: flex-end; gap: 12px;
  padding: 18px 28px;
  border-top: 1px solid var(--border-card);
}
.btn-sm { padding: 10px 20px !important; font-size: 0.875rem !important; }

/* ---- View Modal ---- */
.cert-view-box {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  max-width: 820px; width: 100%;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7);
}
.cert-view-box img { width: 100%; max-height: 72vh; object-fit: contain; display: block; }
.cert-view-info { padding: 18px 24px; border-top: 1px solid var(--border-card); }
.cert-view-info h3 { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.cert-view-info p  { font-size: 0.88rem; color: var(--text-secondary); }
.cert-view-close { position: absolute; top: 12px; right: 12px; z-index: 5; background: rgba(0,0,0,0.55); }

/* ===================================================
   RESPONSIVE โ€” TABLET
   =================================================== */
@media (max-width: 900px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid  { grid-template-columns: 1fr; text-align: center; }
  .avatar-card { margin-bottom: 48px; }
  .about-interests { justify-content: center; }
  .projects-grid { grid-template-columns: 1fr; max-width: 560px; }
  .edu-card { flex-direction: column; align-items: center; text-align: center; }
  .edu-header { flex-direction: column; align-items: center; }
  .course-chips { justify-content: center; }
}

/* ===================================================
   RESPONSIVE โ€” MOBILE
   =================================================== */
@media (max-width: 640px) {
  :root { --nav-h: 60px; }

  .section { padding: 70px 0; }

  /* Nav */
  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    background: rgba(8, 12, 20, 0.97);
    backdrop-filter: blur(20px);
    padding: 20px 24px 32px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-link { padding: 12px 16px; }

  .skills-grid { grid-template-columns: 1fr; }

  .timeline::before { display: none; }
  .timeline-item { flex-direction: column; gap: 16px; }
  .timeline-dot { display: none; }

  .hero-title { flex-direction: column; align-items: center; }
  .title-separator { display: none; }

  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .contact-card { padding: 18px 20px; }
  .contact-value { font-size: 0.85rem; }

  .edu-card { padding: 28px 20px; }

  .stat-1 { bottom: -20px; left: -10px; }
  .stat-2 { top: -20px;    left: -10px; }
  .stat-3 { bottom: -20px; right: -10px; }
}

/* ===================================================
   AVATAR PHOTO
   =================================================== */
.avatar-photo {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
}

/* ===================================================
   THREE.JS HERO CANVAS
   =================================================== */
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ===================================================
   3D TEXT — Hero Name
   =================================================== */
.text-3d {
  text-shadow:
    1px 1px 0 rgba(6,200,232,0.4),
    2px 2px 0 rgba(6,200,232,0.3),
    3px 3px 0 rgba(6,200,232,0.2),
    4px 4px 0 rgba(6,200,232,0.1),
    0 0 40px rgba(6,200,232,0.35);
  transition: text-shadow 0.3s ease;
}
.text-3d:hover {
  text-shadow:
    2px 2px 0 rgba(6,200,232,0.5),
    4px 4px 0 rgba(6,200,232,0.35),
    6px 6px 0 rgba(6,200,232,0.2),
    8px 8px 0 rgba(6,200,232,0.1),
    0 0 60px rgba(6,200,232,0.5);
}

/* ===================================================
   FLOATING 3D ICONS
   =================================================== */
.float-3d {
  transform-style: preserve-3d;
  will-change: transform;
  filter: drop-shadow(0 8px 16px rgba(6,200,232,0.3));
}

@keyframes float3d-1 {
  0%,100% { transform: translateY(0) rotateX(0deg); }
  25%     { transform: translateY(-18px) rotateX(10deg); }
  75%     { transform: translateY(10px) rotateX(-5deg); }
}
@keyframes float3d-2 {
  0%,100% { transform: translateY(0) rotateY(0deg); }
  50%     { transform: translateY(-22px) rotateY(15deg); }
}

/* ===================================================
   DOMAIN GROUPS — Projects
   =================================================== */
.domain-group { margin-bottom: 56px; }
.domain-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  background: rgba(6,200,232,0.07);
  border: 1px solid rgba(6,200,232,0.2);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 24px;
  font-family: 'JetBrains Mono', monospace;
}
.domain-icon { font-size: 1rem; }

/* ===================================================
   FLIP CARDS — 3D Card Flip Effect
   =================================================== */
.project-card-wrapper { perspective: 1000px; }

.flip-card {
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  will-change: transform;
  min-height: 320px;
}
.flip-card:hover { transform: rotateY(180deg) !important; }

.flip-front,
.flip-back {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  padding: 28px;
  display: flex;
  flex-direction: column;
}
.flip-front {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
}
.flip-back {
  background: linear-gradient(135deg, #0d1f3c 0%, #0a1628 100%);
  border: 1px solid rgba(6,200,232,0.3);
  transform: rotateY(180deg);
  justify-content: space-between;
}
.flip-hint {
  margin-top: auto;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
  padding-top: 12px;
}
.flip-back-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(6,200,232,0.2);
}
.flip-tech-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.flip-tech-item {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: 8px 12px;
  background: rgba(6,200,232,0.05);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(6,200,232,0.1);
}
.flip-btn {
  margin-top: 16px;
  padding: 10px 20px;
  font-size: 0.875rem;
  justify-content: center;
}

/* Glow variants */
.glow-purple { background: radial-gradient(circle at 30% 30%, rgba(139,92,246,0.25) 0%, transparent 70%); }
.glow-green  { background: radial-gradient(circle at 30% 30%, rgba(34,197,94,0.2)  0%, transparent 70%); }
.glow-orange { background: radial-gradient(circle at 30% 30%, rgba(249,115,22,0.2) 0%, transparent 70%); }
.glow-cyan   { background: radial-gradient(circle at 30% 30%, rgba(6,200,232,0.2)  0%, transparent 70%); }
.glow-amber  { background: radial-gradient(circle at 30% 30%, rgba(245,158,11,0.2) 0%, transparent 70%); }

/* ===================================================
   PASSWORD MODAL
   =================================================== */
.cert-pwd-box { max-width: 400px !important; }

/* ===================================================
   BTN SM
   =================================================== */
.btn-sm {
  padding: 9px 18px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* ===================================================
   MOBILE — disable heavy 3D
   =================================================== */
@media (max-width: 768px) {
  #hero-canvas { display: none; }
  .flip-card:hover { transform: none !important; }
  .flip-back { display: none; }
  .flip-front { position: relative; inset: auto; }
  .flip-card { min-height: auto; transform-style: flat; }
  .float-3d { display: none; }
  .text-3d  { text-shadow: 0 0 30px rgba(6,200,232,0.3); }
}