/* ========== RESET & BASE ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #14141f;
  --bg-card-hover: #1a1a28;
  --border-color: #1e1e2e;
  --border-glow: #2a2a40;
  --text-primary: #e4e4ed;
  --text-secondary: #8888a0;
  --text-muted: #55556a;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-purple: #8b5cf6;
  --accent-magenta: #e879f9;
  --accent-green: #22c55e;
  --accent-glow-blue: rgba(59,130,246,0.3);
  --accent-glow-cyan: rgba(6,182,212,0.25);
  --accent-glow-purple: rgba(139,92,246,0.2);
  --accent-glow-magenta: rgba(232,121,249,0.2);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  cursor: default;
}
::selection { background: var(--accent-cyan); color: #000; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-glow); border-radius: 3px; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }

/* ========== CURSOR GLOW ========== */
.custom-cursor {
  width: 20px; height: 20px;
  border: 2px solid var(--accent-cyan);
  border-radius: 50%;
  position: fixed; pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s, border-color 0.3s, box-shadow 0.3s;
  mix-blend-mode: difference;
}
.custom-cursor.hover {
  width: 40px; height: 40px;
  border-color: var(--accent-blue);
  box-shadow: 0 0 20px var(--accent-glow-blue), 0 0 40px var(--accent-glow-cyan);
}
.cursor-dot {
  width: 4px; height: 4px;
  background: var(--accent-cyan);
  border-radius: 50%;
  position: fixed; pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: background 0.3s;
}
@media (hover: none) { .custom-cursor, .cursor-dot { display: none; } }

/* ========== LOADING SCREEN ========== */
#loader {
  position: fixed; inset: 0; z-index: 999999;
  background: var(--bg-primary);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s;
}
#loader.hidden { opacity: 0; visibility: hidden; }
.loader-text {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-cyan);
  margin-top: 24px;
  animation: blink 1s infinite;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
.loader-bar {
  width: 200px; height: 2px; margin-top: 16px;
  background: var(--border-color); border-radius: 1px;
  overflow: hidden;
}
.loader-fill {
  width: 0%; height: 100%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan), var(--accent-purple));
  border-radius: 1px;
  animation: load 1.5s ease-out forwards;
}
@keyframes load { to { width: 100%; } }

/* Loader Text */
.loader-name {
  font-family: var(--font-mono);
  font-size: 1.4rem; font-weight: 700;
  color: var(--text-primary);
  margin-top: 16px;
  letter-spacing: -0.02em;
}
.loader-first { color: var(--accent-blue); }
.loader-accent { color: var(--accent-cyan); margin: 0 2px; }
.loader-last { color: var(--accent-purple); }
.loader-title {
  font-family: var(--font-mono);
  font-size: 0.95rem; color: var(--accent-cyan);
  margin-top: 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.loader-subtitle {
  font-family: var(--font-mono);
  font-size: 0.8rem; color: var(--text-muted);
  margin-top: 8px;
  animation: blink 1.5s infinite;
}

/* ========== NOISE TEXTURE ========== */
.noise-overlay {
  position: fixed; inset: 0; z-index: 9998;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px;
}

/* ========== NAVBAR ========== */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
nav.scrolled { border-bottom-color: var(--border-color); background: rgba(10,10,15,0.95); }
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 16px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-size: 1.1rem; font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-logo span { font-weight: 300; opacity: 0.6; }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
  font-size: 0.85rem; font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.3s, text-shadow 0.3s;
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute;
  bottom: -4px; left: 0; width: 0; height: 1px;
  background: var(--accent-cyan);
  transition: width 0.3s;
}
.nav-links a:hover { color: var(--text-primary); text-shadow: 0 0 20px var(--accent-glow-cyan); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  padding: 8px 20px; border-radius: 100px;
  font-size: 0.8rem; font-weight: 600;
  border: 1px solid var(--accent-blue);
  color: var(--accent-blue);
  background: transparent;
  transition: all 0.3s;
}
.nav-cta:hover {
  background: var(--accent-blue);
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow-blue);
}
.nav-cta-link {
  padding: 7px 18px; border-radius: 100px;
  font-size: 0.78rem; font-weight: 600;
  border: 1px solid var(--accent-blue);
  color: var(--accent-blue);
  background: transparent;
  text-decoration: none;
  transition: all 0.3s;
  display: inline-block;
}
.nav-cta-link:hover {
  background: var(--accent-blue);
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow-blue);
}
.nav-menu-btn {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: 4px;
}
.nav-menu-btn span {
  width: 24px; height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(10,10,15,0.98);
    padding: 24px; gap: 20px;
    border-bottom: 1px solid var(--border-color);
  }
  .nav-menu-btn { display: flex; }
}

/* ========== SECTIONS COMMON ========== */
section { position: relative; }
.container {
  max-width: 1200px; margin: 0 auto;
  padding: 0 24px;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 12px;
}
.section-label::before {
  content: ''; width: 30px; height: 1px;
  background: var(--accent-cyan);
}
.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800; letter-spacing: -0.03em;
  margin-bottom: 16px;
  line-height: 1.15;
}
.section-subtitle {
  font-size: 1rem; color: var(--text-secondary);
  max-width: 600px; line-height: 1.8;
}
.section-header {
  margin-bottom: 64px;
}

/* ========== HERO SECTION ========== */
#hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}
#hero-canvas {
  position: absolute; inset: 0; z-index: 0;
}
.hero-grid {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}
.hero-particles {
  position: absolute; inset: 0; z-index: 0;
  overflow: hidden;
}
.particle {
  position: absolute;
  width: 2px; height: 2px;
  background: var(--accent-cyan);
  border-radius: 50%;
  opacity: 0;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 900px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 100px;
  font-size: 0.8rem; font-weight: 500;
  color: var(--accent-blue);
  margin-bottom: 24px;
}
.hero-badge .dot {
  width: 6px; height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}
.hero-headline {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900; letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 24px;
}
.hero-headline .gradient-text {
  background: linear-gradient(135deg, #fff 0%, var(--accent-cyan) 50%, var(--accent-blue) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.rotating-text {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--accent-cyan);
  min-height: 2em;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeSlideIn 0.5s forwards;
}
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.rotating-text .cursor-blink {
  animation: blink 0.8s infinite;
}
.hero-subtitle {
  font-size: 1.15rem; color: var(--text-secondary);
  max-width: 600px; margin-bottom: 40px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }
.btn {
  padding: 12px 28px; border-radius: 100px;
  font-size: 0.9rem; font-weight: 600;
  border: none; transition: all 0.3s;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: #fff;
  box-shadow: 0 4px 20px rgba(59,130,246,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59,130,246,0.4);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--border-glow);
  color: var(--text-secondary);
}
.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 20px var(--accent-glow-cyan);
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-glow);
  color: var(--text-secondary);
}
.btn-ghost:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 20px var(--accent-glow-cyan);
}
.btn-sm { padding: 8px 18px; font-size: 0.8rem; }

/* Hero Photo */
.hero-photo-container {
  position: relative;
  width: 280px; height: 280px;
  margin: 0 auto 32px;
}
.photo-frame {
  position: relative;
  width: 100%; height: 100%;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--border-glow);
  box-shadow: 0 0 40px rgba(6,182,212,0.15), 0 0 80px rgba(6,182,212,0.05);
}
.hero-photo {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.photo-glow {
  position: absolute; inset: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  opacity: 0.3;
  filter: blur(8px);
  z-index: -1;
}
.photo-ring {
  position: absolute; inset: -8px;
  border-radius: 50%;
  border: 1px solid rgba(6,182,212,0.15);
  animation: ringRotate 8s linear infinite;
}
.photo-ring.ring-2 {
  inset: -16px;
  border-color: rgba(59,130,246,0.1);
  animation-duration: 12s;
  animation-direction: reverse;
}
.photo-label {
  text-align: center;
  margin-top: 16px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 0.95rem; font-weight: 600;
  color: var(--text-primary);
}
.photo-dot {
  width: 8px; height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes ringRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Hero Stats */
.hero-stats {
  display: flex; align-items: center; justify-content: center;
  gap: 32px;
  margin-top: 48px;
  padding: 24px 32px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}
.stat-item {
  text-align: center;
}
.stat-number {
  font-family: var(--font-mono);
  font-size: 2rem; font-weight: 800;
  color: var(--accent-cyan);
}
.stat-label {
  font-size: 0.75rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.05em;
  margin-top: 4px;
}
.stat-divider {
  width: 1px; height: 40px;
  background: var(--border-color);
}

/* Floating Cards */
.hero-float-cards {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-bottom: 48px;
}
.float-card {
  padding: 8px 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 0.8rem; color: var(--text-secondary);
  animation: floatUp 6s ease-in-out infinite;
  transition: all 0.3s;
}
.float-card:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(6,182,212,0.08);
}
.float-card:nth-child(2) { animation-delay: 0.5s; }
.float-card:nth-child(3) { animation-delay: 1s; }
.float-card:nth-child(4) { animation-delay: 1.5s; }
.float-card:nth-child(5) { animation-delay: 2s; }
.float-card:nth-child(6) { animation-delay: 2.5s; }
.float-card:nth-child(7) { animation-delay: 3s; }
.float-card:nth-child(8) { animation-delay: 3.5s; }
@keyframes floatUp {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Terminal */
.terminal-window {
  background: rgba(10,10,15,0.9);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 600px;
  margin-bottom: 40px;
}
.terminal-header {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border-color);
}
.terminal-dot { width: 10px; height: 10px; border-radius: 50%; }
.terminal-dot.r { background: #ff5f57; }
.terminal-dot.y { background: #febc2e; }
.terminal-dot.g { background: #28c840; }
.terminal-body {
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.9;
  color: var(--text-secondary);
}
.terminal-line { opacity: 0; animation: typeLine 0.5s forwards; }
.terminal-line:nth-child(1) { animation-delay: 0.5s; }
.terminal-line:nth-child(2) { animation-delay: 1.2s; }
.terminal-line:nth-child(3) { animation-delay: 1.9s; }
.terminal-line:nth-child(4) { animation-delay: 2.6s; }
.terminal-line .green { color: #28c840; }
@keyframes typeLine {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Metrics Panel */
.metrics-panel {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 600px;
}
.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  transition: all 0.3s;
}
.metric-card:hover {
  border-color: var(--accent-blue);
  box-shadow: 0 0 20px var(--accent-glow-blue);
  transform: translateY(-2px);
}
.metric-value {
  font-family: var(--font-mono);
  font-size: 1.5rem; font-weight: 800;
  color: var(--accent-cyan);
  margin-bottom: 4px;
}
.metric-label {
  font-size: 0.75rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.1em;
}
.scroll-indicator {
  position: absolute; bottom: 32px; left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
  color: var(--text-muted); font-size: 0.8rem;
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ========== ABOUT SECTION ========== */
#about {
  padding: 120px 0;
  position: relative;
}
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: start;
}
.about-image {
  position: relative;
}
.about-photo-wrapper {
  position: relative;
  width: 260px;
  margin: 0 auto 24px;
}
.about-photo {
  width: 150%;
  height: 150%;
  border-radius: 100%;
  object-fit: cover;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.about-photo-border {
  position: absolute;
  width: 150%;
  height: 100%;
  inset: -4px;
  border-radius: 50%;
  border: 4px solid var(--accent-cyan);
  box-shadow: 0 0 20px var(--accent-cyan);
  opacity: 0.5;
}
@keyframes glow {
  from {
    box-shadow: 0 0 10px var(--accent-cyan);
  }
  to {
    box-shadow: 0 0 30px var(--accent-cyan);
  }
}
.about-quick-info {
  display: flex; flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}
.info-item {
  display: flex; justify-content: space-between;
  padding: 10px 16px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}
.info-label { color: var(--text-muted); }
.info-value { color: var(--text-primary); font-weight: 600; }
.about-text p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 1rem;
  line-height: 1.9;
}
.about-text strong { color: var(--text-primary); }
.about-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.about-text .list-style {
  list-style: none; padding: 0;
}
.about-text .list-style li {
  position: relative; padding-left: 20px;
  color: var(--text-secondary); margin-bottom: 8px;
}
.about-text .list-style li::before {
  content: '▹'; position: absolute; left: 0;
  color: var(--accent-cyan);
}
.interest-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 20px;
}
.interest-tag {
  padding: 5px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 0.75rem; color: var(--text-secondary);
  transition: all 0.3s;
}
.interest-tag:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(6,182,212,0.06);
}
.skill-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all 0.3s;
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
}
.skill-category:nth-child(1) { animation-delay: 0.1s; }
.skill-category:nth-child(2) { animation-delay: 0.25s; }
.skill-category:nth-child(3) { animation-delay: 0.4s; }
.skill-category:nth-child(4) { animation-delay: 0.55s; }
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.skill-category:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
}
.skill-cat-title {
  font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--accent-purple);
  margin-bottom: 12px;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tag {
  padding: 4px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 0.78rem; color: var(--text-secondary);
  transition: all 0.3s;
}
.skill-tag:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(59,130,246,0.08);
}
.skill-tag.n8n-highlight {
  border-color: rgba(245,158,11,0.4);
  color: #f59e0b;
  background: rgba(245,158,11,0.08);
}
.skill-tag.n8n-highlight:hover {
  border-color: #f59e0b;
  background: rgba(245,158,11,0.15);
  box-shadow: 0 0 12px rgba(245,158,11,0.2);
}

/* ========== PROJECTS ========== */
#projects {
  padding: 120px 0;
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 768px) { .projects-grid { grid-template-columns: 1fr; } }
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
.project-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan), var(--accent-purple));
  opacity: 0;
  transition: opacity 0.3s;
}
.project-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 40px var(--accent-glow-blue);
}
.project-card:hover::before { opacity: 1; }
.project-card-inner { padding: 32px; }
.project-tagline {
  font-size: 0.78rem; font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase; letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.project-tagline-text {
  font-size: 0.85rem; color: var(--text-secondary);
  font-style: italic; margin-bottom: 12px;
}
.project-title {
  font-size: 1.4rem; font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  line-height: 1.3;
}
.project-desc {
  font-size: 0.9rem; color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}
.project-features {
  list-style: none; padding: 0; margin-bottom: 20px;
}
.project-features li {
  font-size: 0.82rem; color: var(--text-secondary);
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}
.project-features li::before {
  content: '›'; position: absolute; left: 0;
  color: var(--accent-cyan); font-weight: bold;
}
.project-tech {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 20px;
}
.project-tech span {
  padding: 3px 8px;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: 4px;
  font-size: 0.72rem; font-family: var(--font-mono);
  color: var(--accent-blue);
}
.project-metrics {
  display: flex; flex-wrap: wrap; gap: 20px;
  margin-bottom: 20px;
  padding: 12px;
  background: rgba(0,0,0,0.2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}
.metric-item {
  font-size: 0.78rem; color: var(--text-secondary);
}
.metric-item strong { color: var(--accent-cyan); }
.project-buttons { display: flex; gap: 12px; }
.project-btn {
  padding: 8px 18px;
  background: transparent;
  border: 1px solid var(--border-glow);
  border-radius: 100px;
  font-size: 0.78rem; font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.3s;
}
.project-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-glow-cyan);
}
.project-btn.primary {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #fff;
}
.project-btn.primary:hover {
  background: var(--accent-cyan);
  box-shadow: 0 0 20px var(--accent-glow-cyan);
}

/* Expandable */
.expand-section { margin-top: 20px; }
.expand-toggle {
  background: none; border: 1px solid var(--border-color);
  color: var(--text-muted); padding: 8px 18px;
  border-radius: 100px; font-size: 0.78rem;
  transition: all 0.3s;
}
.expand-toggle:hover { border-color: var(--accent-purple); color: var(--accent-purple); }
.expand-content {
  max-height: 0; overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.expand-content.open { max-height: 600px; }
.expand-inner {
  padding: 20px; margin-top: 16px;
  background: rgba(0,0,0,0.25);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}
.expand-inner h4 {
  font-size: 0.85rem; font-weight: 600;
  color: var(--accent-purple); margin-bottom: 12px;
}
.expand-inner p, .expand-inner li {
  font-size: 0.82rem; color: var(--text-secondary);
  line-height: 1.8;
}
.expand-inner ul { padding-left: 16px; list-style: none; }
.expand-inner ul li::before { content: '▹ '; color: var(--accent-cyan); }
.arch-diagram {
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--text-muted);
  white-space: pre;
  padding: 16px;
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border-color);
  overflow-x: auto;
  margin-top: 12px;
  line-height: 1.6;
}

/* ========== RESEARCH ========== */
#research { padding: 120px 0; }
.research-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 768px) { .research-grid { grid-template-columns: 1fr; } }
.research-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.research-card::after {
  content: '';
  position: absolute; top: 0; right: 0;
  width: 120px; height: 120px;
  background: radial-gradient(circle, var(--accent-glow-purple), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.research-card:hover { border-color: var(--border-glow); transform: translateY(-2px); }
.research-card:hover::after { opacity: 0.4; }
.research-num {
  font-family: var(--font-mono);
  font-size: 2.5rem; font-weight: 900;
  color: rgba(59,130,246,0.1);
  position: absolute; top: 16px; right: 20px;
}
.research-card h3 {
  font-size: 1.15rem; font-weight: 700;
  margin-bottom: 8px;
}
.research-card h3 span {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.research-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.research-tag {
  padding: 3px 10px;
  background: rgba(139,92,246,0.08);
  border: 1px solid rgba(139,92,246,0.15);
  border-radius: 100px;
  font-size: 0.7rem; color: var(--accent-purple);
}
.research-card p {
  font-size: 0.88rem; color: var(--text-secondary);
  line-height: 1.8;
}

/* Research Log */
.research-log {
  margin-top: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.research-log h3 {
  font-size: 1rem; font-weight: 700;
  margin-bottom: 20px;
  display: flex; align-items: center; gap: 10px;
}
.log-entry {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 12px 16px;
  border-left: 2px solid var(--border-glow);
  margin-bottom: 12px;
  color: var(--text-secondary);
  transition: all 0.3s;
}
.log-entry:hover { border-left-color: var(--accent-cyan); background: rgba(6,182,212,0.04); }
.log-entry .log-date { color: var(--text-muted); font-size: 0.7rem; }
.log-entry .log-title { color: var(--accent-cyan); font-weight: 600; }

.research-banner {
  margin-top: 32px;
  padding: 20px 24px;
  background: rgba(139,92,246,0.06);
  border: 1px solid rgba(139,92,246,0.15);
  border-radius: var(--radius-md);
  display: flex; align-items: center; gap: 12px;
  font-size: 0.88rem; color: var(--text-secondary);
}
.research-banner .banner-icon { font-size: 1.2rem; }

/* Benchmark Table */
.benchmark-table {
  width: 100%; margin-top: 24px;
  border-collapse: collapse;
}
.benchmark-table th, .benchmark-table td {
  padding: 10px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.82rem;
}
.benchmark-table th {
  color: var(--text-muted); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em;
  font-size: 0.7rem;
}
.benchmark-table td { color: var(--text-secondary); }
.benchmark-table tr:hover td { background: rgba(255,255,255,0.02); }
.bench-val { color: var(--accent-cyan); font-family: var(--font-mono); font-weight: 600; }

/* ========== JOURNEY - CINEMATIC TIMELINE ========== */
#journey {
  padding: 180px 0;
  position: relative;
  overflow: hidden;
}

.journey-timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 40px;
}

/* Main timeline line */
.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom,
    var(--accent-cyan) 0%,
    var(--accent-cyan) 40%,
    var(--accent-purple) 100%
  );
  transform: translateX(-50%);
  box-shadow:
    0 0 20px rgba(6, 182, 212, 0.4),
    0 0 40px rgba(6, 182, 212, 0.2),
    inset 0 0 20px rgba(6, 182, 212, 0.2);
  opacity: 0.3;
  transition: opacity 0.6s ease;
}

.timeline-line.active {
  opacity: 1;
}

.timeline-line::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: var(--scroll-progress, 0%);
  background: linear-gradient(to bottom,
    rgba(6, 182, 212, 0.8),
    rgba(139, 92, 246, 0.6)
  );
  transition: height 0.3s ease-out;
}

/* Journey phases */
.journey-phase {
  position: relative;
  margin-bottom: 160px;
  opacity: 0.7;
  transform: translateY(30px) translateX(-20px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform, opacity;
}

.journey-phase.active {
  opacity: 1;
  transform: translateY(0) translateX(0);
}

.journey-phase.prev {
  opacity: 0.4;
  transform: translateY(20px) translateX(-10px);
}

/* Year marker */
.year-marker {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 10;
}

.year-label {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.journey-phase.active .year-label {
  opacity: 1;
  transform: translateY(0);
}

.year-node {
  width: 24px;
  height: 24px;
  background: var(--accent-cyan);
  border-radius: 50%;
  border: 4px solid var(--bg-primary);
  box-shadow:
    0 0 30px rgba(6, 182, 212, 0.6),
    0 0 60px rgba(6, 182, 212, 0.3);
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.journey-phase.active .year-node {
  opacity: 1;
  transform: scale(1.1);
  animation: nodePulse 2s infinite;
}

.journey-phase.active .year-node::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.4) 0%, transparent 70%);
  animation: nodeRipple 2s infinite;
}

@keyframes nodePulse {
  0%, 100% {
    box-shadow:
      0 0 30px rgba(6, 182, 212, 0.6),
      0 0 60px rgba(6, 182, 212, 0.3);
  }
  50% {
    box-shadow:
      0 0 40px rgba(6, 182, 212, 0.8),
      0 0 80px rgba(6, 182, 212, 0.5);
  }
}

@keyframes nodeRipple {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(2); opacity: 0; }
}

/* Content card */
.phase-content {
  background: rgba(20, 20, 31, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px 50px;
  position: relative;
  opacity: 0;
  transform: translateY(40px) translateX(-20px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.journey-phase.active .phase-content {
  opacity: 1;
  transform: translateY(0) translateX(0);
  border-color: rgba(6, 182, 212, 0.3);
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(6, 182, 212, 0.1);
}

.phase-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent,
    var(--accent-cyan),
    transparent
  );
  opacity: 0;
  transition: opacity 0.3s;
}

.journey-phase.active .phase-content::before {
  opacity: 1;
}

/* Title */
.phase-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.journey-phase.active .phase-title {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.1s;
}

/* Body content */
.phase-body {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.phase-body p {
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.journey-phase.active .phase-body p:nth-child(1) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.2s;
}

.journey-phase.active .phase-body p:nth-child(2) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.3s;
}

.journey-phase.active .phase-body p:nth-child(3) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.4s;
}

.phase-highlight {
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Tech tags */
.phase-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.journey-phase.active .phase-tech {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.5s;
}

.phase-tech span {
  padding: 8px 20px;
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: 24px;
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: 500;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.phase-tech span::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(6, 182, 212, 0.1);
  transition: left 0.3s;
}

.journey-phase.active .phase-tech span:hover {
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.2);
}

.journey-phase.active .phase-tech span:hover::before {
  left: 0;
}

/* Parallax effect */
.journey-phase {
  transform-style: preserve-3d;
}

.journey-phase.active {
  transform: translateZ(0) translateY(0) translateX(0);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .journey-timeline {
    padding: 0 20px;
  }

  .phase-content {
    padding: 32px 40px;
  }
}

@media (max-width: 768px) {
  #journey {
    padding: 120px 0;
  }

  .journey-timeline {
    padding: 0 30px;
  }

  .timeline-line {
    left: 30px;
    transform: none;
  }

  .year-marker {
    left: 30px;
    transform: none;
  }

  .phase-content {
    padding: 24px 30px;
    margin-left: 60px;
  }

  .phase-title {
    font-size: 1.3rem;
  }

  .phase-body {
    font-size: 0.95rem;
  }

  .journey-phase {
    margin-bottom: 120px;
  }
}

@media (max-width: 480px) {
  .phase-content {
    padding: 20px 24px;
    margin-left: 50px;
  }

  .phase-title {
    font-size: 1.1rem;
  }

  .phase-body {
    font-size: 0.9rem;
    line-height: 1.7;
  }

  .journey-phase {
    margin-bottom: 80px;
  }
}
.highlight {
  color: var(--accent-cyan);
  font-weight: 600;
}

/* ========== TECH STACK VISUALIZATION ========== */
#techstack { padding: 120px 0; }
.tech-visual {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 768px) { .tech-visual { grid-template-columns: 1fr; } }
.tech-category {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.tech-category:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}
.tech-cat-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 20px;
}
.tech-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 800;
}
.tech-icon.ai { background: rgba(139,92,246,0.15); color: var(--accent-purple); }
.tech-icon.backend { background: rgba(59,130,246,0.15); color: var(--accent-blue); }
.tech-icon.frontend { background: rgba(6,182,212,0.15); color: var(--accent-cyan); }
.tech-icon.automation { background: rgba(245,158,11,0.15); color: #f59e0b; }
.tech-cat-name {
  font-size: 0.95rem; font-weight: 700;
}
.tech-cat-count {
  font-size: 0.7rem; color: var(--text-muted);
  margin-left: auto;
}
.tech-items { display: flex; flex-wrap: wrap; gap: 8px; }
.tech-item-el {
  padding: 6px 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 0.78rem; color: var(--text-secondary);
  transition: all 0.3s;
}
.tech-item-el:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(59,130,246,0.06);
}

/* Interactive Proficiency Bars */
.proficiency-bars { margin-top: 20px; }
.prof-bar-item { margin-bottom: 12px; }
.prof-bar-label {
  display: flex; justify-content: space-between;
  font-size: 0.78rem; margin-bottom: 4px;
  color: var(--text-secondary);
}
.prof-bar-track {
  height: 4px;
  background: rgba(255,255,255,0.05);
  border-radius: 2px;
  overflow: hidden;
}
.prof-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  width: 0;
  transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ========== LOADING SCREEN WITH PHOTO ========== */
.loader-avatar {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto 16px;
}
.loader-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent-cyan);
  box-shadow: 0 0 20px var(--accent-glow-cyan), 0 0 60px rgba(6,182,212,0.15);
  position: relative;
  z-index: 2;
  animation: avatarPulse 3s ease-in-out infinite;
}
@keyframes avatarPulse {
  0%, 100% { box-shadow: 0 0 20px var(--accent-glow-cyan), 0 0 60px rgba(6,182,212,0.15); }
  50% { box-shadow: 0 0 30px var(--accent-glow-cyan), 0 0 80px rgba(6,182,212,0.25); }
}
.avatar-ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid rgba(6,182,212,0.2);
  animation: ringRotate 8s linear infinite;
}
.avatar-ring.ring-2 {
  inset: -16px;
  border-color: rgba(59,130,246,0.15);
  animation-duration: 12s;
  animation-direction: reverse;
}
@keyframes ringRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ========== CERTIFICATIONS — INFINITE CAROUSEL ========== */
#certifications {
  padding: 120px 0;
  overflow: hidden;
}
.certs-carousel-wrapper {
  overflow: hidden;
  position: relative;
  padding: 20px 0;
}
.certs-carousel-wrapper::before,
.certs-carousel-wrapper::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.certs-carousel-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-primary) 60%, transparent);
}
.certs-carousel-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-primary) 60%, transparent);
}
.certs-carousel-track {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: carouselScroll 30s linear infinite;
  will-change: transform;
}
#certifications:hover .certs-carousel-track {
  animation-play-state: paused;
}
@keyframes carouselScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.cert-slide {
  flex-shrink: 0;
  width: 280px;
}
.cert-card-inner {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  height: 100%;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.cert-card-inner:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.cert-image {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  padding: 16px;
  flex-grow: 1;
  display: block;
}
.cert-image.pdf {
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-cyan);
}
.cert-image.pdf::before {
  content: "📄 PDF Certificate";
}

/* ========== BLOG ========== */
#blog { padding: 120px 0; }
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .blog-grid { grid-template-columns: 1fr; } }
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s;
  cursor: pointer;
}
.blog-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4), 0 0 30px var(--accent-glow-cyan);
}
.blog-meta {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}
.blog-date {
  font-family: var(--font-mono);
  font-size: 0.72rem; color: var(--text-muted);
}
.blog-tag {
  padding: 3px 10px;
  background: rgba(59,130,246,0.08);
  border-radius: 100px;
  font-size: 0.7rem; color: var(--accent-blue);
}
.blog-card h3 {
  font-size: 1.05rem; font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
}
.blog-card p {
  font-size: 0.85rem; color: var(--text-secondary);
  line-height: 1.7;
}
.blog-read {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.8rem; color: var(--accent-cyan);
  margin-top: 16px; font-weight: 600;
  transition: gap 0.3s;
}
.blog-card:hover .blog-read { gap: 10px; }

/* ========== STARTUP SECTION ========== */
#startup { padding: 120px 0; }
.startup-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 768px) { .startup-content { grid-template-columns: 1fr; } }
.startup-visual { perspective: 1000px; }
.startup-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 32px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}
.diagram-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
}
.diagram-input { background: rgba(6,182,212,0.08); border: 1px solid rgba(6,182,212,0.2); color: var(--accent-cyan); }
.diagram-process { background: rgba(139,92,246,0.08); border: 1px solid rgba(139,92,246,0.2); color: var(--accent-purple); }
.diagram-output { background: rgba(245,158,11,0.08); border: 1px solid rgba(245,158,11,0.2); color: #f59e0b; }
.node-icon { font-size: 1.5rem; }
.diagram-arrow {
  color: var(--text-muted);
  font-size: 1.2rem;
  padding: 4px 0;
}
.startup-text h3 {
  font-size: 1.15rem; font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.startup-text p {
  font-size: 0.9rem; color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}
.startup-text .highlight { color: var(--accent-cyan); font-weight: 600; }
.startup-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 20px 0;
}
.feature-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}
.feature-icon { font-size: 1rem; margin-top: 2px; }
.feature-item strong { display: block; font-size: 0.82rem; color: var(--text-primary); margin-bottom: 2px; }
.feature-item span:last-child { font-size: 0.75rem; color: var(--text-secondary); line-height: 1.5; }
.startup-tech {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 16px;
}
.startup-tech span {
  padding: 4px 12px;
  background: rgba(59,130,246,0.06);
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: 100px;
  font-size: 0.72rem; color: var(--accent-blue);
}

/* ========== CONTACT ========== */
#contact {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}
#contact::before {
  content: '';
  position: absolute; top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(ellipse at center, rgba(59,130,246,0.05) 0%, transparent 60%);
}
.contact-content {
  text-align: center;
  position: relative; z-index: 2;
}
.contact-heading {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900; letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.contact-text {
  font-size: 1.05rem; color: var(--text-secondary);
  max-width: 550px; margin: 0 auto 36px;
  line-height: 1.8;
}
.contact-list {
  display: flex; justify-content: center; gap: 16px;
  flex-wrap: wrap;
}
.contact-item {
  padding: 12px 28px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 0.85rem; font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.3s;
}
.contact-item:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(6,182,212,0.06);
  box-shadow: 0 0 20px var(--accent-glow-cyan);
  transform: translateY(-2px);
}
.contact-item a { color: inherit; }
.footer-text {
  text-align: center;
  margin-top: 60px;
  font-size: 0.82rem; color: var(--text-muted);
  font-family: var(--font-mono);
}
.footer-text span { color: var(--accent-cyan); }

/* ========== RAG CHATBOT WIDGET ========== */
.chatbot-container {
  position: fixed; bottom: 24px; right: 24px; z-index: 10000;
}
.chatbot-toggle {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: #fff; border: none; border-radius: 100px;
  font-size: 0.85rem; font-weight: 600;
  cursor: pointer; transition: all 0.3s;
  box-shadow: 0 8px 24px rgba(59,130,246,0.3);
}
.chatbot-toggle:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(59,130,246,0.4); }
.chatbot-icon { font-size: 1.2rem; }
.chatbot-panel {
  position: absolute; bottom: 60px; right: 0;
  width: 380px; max-width: 90vw; max-height: 500px;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 60px var(--accent-glow-blue);
  display: flex; flex-direction: column;
  opacity: 0; visibility: hidden;
  transform: translateY(20px) scale(0.95);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.chatbot-panel.open {
  opacity: 1; visibility: visible;
  transform: translateY(0) scale(1);
}
.chatbot-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  font-weight: 700; font-size: 0.9rem;
}
.chatbot-close {
  background: none; border: none;
  color: var(--text-muted); font-size: 1.4rem;
  cursor: pointer; transition: color 0.2s;
}
.chatbot-close:hover { color: var(--accent-red); }
.chatbot-messages {
  flex: 1; overflow-y: auto; padding: 16px;
  display: flex; flex-direction: column; gap: 12px;
  min-height: 100px; max-height: 320px;
}
.chatbot-message {
  font-size: 0.85rem; line-height: 1.6;
  padding: 12px 16px; border-radius: 12px;
  max-width: 85%;
}
.chatbot-message.bot {
  align-self: flex-start;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-color);
  border-bottom-left-radius: 4px;
  color: var(--text-secondary);
}
.chatbot-message.user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chatbot-input-wrap {
  display: flex; align-items: center;
  padding: 12px; gap: 8px;
  border-top: 1px solid var(--border-color);
}
.chatbot-input-wrap input {
  flex: 1; background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-color);
  border-radius: 100px; padding: 10px 16px;
  font-family: var(--font-sans); font-size: 0.85rem;
  color: var(--text-primary); outline: none;
  transition: border-color 0.3s;
}
.chatbot-input-wrap input:focus { border-color: var(--accent-cyan); }
.chatbot-input-wrap input::placeholder { color: var(--text-muted); }
.chatbot-input-wrap button {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border: none; border-radius: 50%;
  color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s; flex-shrink: 0;
}
.chatbot-input-wrap button:hover { transform: scale(1.05); box-shadow: 0 0 16px var(--accent-glow-cyan); }
.chatbot-status {
  padding: 8px 20px;
  font-size: 0.7rem; color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  text-align: center;
}

/* ========== COMMAND PALETTE ========== */
#cmd-palette {
  position: fixed; top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  width: 560px; max-width: 90vw;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 60px var(--accent-glow-blue);
  z-index: 10001;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}
#cmd-palette.open {
  opacity: 1; visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}
.cmd-input-wrap {
  display: flex; align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-color);
  gap: 12px;
}
.cmd-icon { color: var(--accent-cyan); font-size: 1.1rem; }
#cmd-input {
  flex: 1; background: none; border: none; outline: none;
  font-family: var(--font-sans);
  font-size: 0.95rem; color: var(--text-primary);
}
#cmd-input::placeholder { color: var(--text-muted); }
.cmd-results {
  max-height: 300px; overflow-y: auto;
  padding: 8px;
}
.cmd-result {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem; color: var(--text-secondary);
  cursor: pointer; transition: all 0.2s;
  display: flex; align-items: center; gap: 12px;
}
.cmd-result:hover { background: rgba(59,130,246,0.08); color: var(--text-primary); }
.cmd-result kbd {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 2px 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-muted);
}
.cmd-footer {
  padding: 10px 20px;
  border-top: 1px solid var(--border-color);
  display: flex; gap: 16px; align-items: center;
  font-size: 0.72rem; color: var(--text-muted);
}
.cmd-footer kbd {
  font-family: var(--font-mono);
  padding: 2px 6px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  font-size: 0.7rem;
}

/* ========== ANIMATIONS ========== */
.fade-up {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-in { opacity: 0; transition: opacity 0.6s ease; }
.fade-in.visible { opacity: 1; }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .hero-headline { font-size: 2rem; }
  .hero-subtitle { font-size: 0.95rem; }
  .metrics-panel { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ====== Particle Animation ====== */
@keyframes particleDrift {
  0% { transform: translate(0, 0) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translate(var(--dx), var(--dy)) scale(1); opacity: 0; }
}
.particle-anim {
  position: absolute;
  width: 2px; height: 2px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: particleDrift 15s linear infinite;
}

/* Section padding */
section[id] { scroll-margin-top: 80px; }

/* Section divider */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  margin: 0;
}

/* Glow ring animation */
@keyframes glowRing {
  0%, 100% { box-shadow: 0 0 5px var(--accent-cyan), 0 0 10px rgba(6,182,212,0.2); }
  50% { box-shadow: 0 0 15px var(--accent-cyan), 0 0 30px rgba(6,182,212,0.3); }
}

/* Animated gradient background blobs */
.bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  animation: blobMove 20s ease-in-out infinite;
}
.bg-blob.b1 {
  width: 400px; height: 400px;
  background: var(--accent-blue);
  top: -100px; right: -100px;
  animation-delay: 0s;
}
.bg-blob.b2 {
  width: 300px; height: 300px;
  background: var(--accent-purple);
  bottom: -50px; left: -50px;
  animation-delay: -7s;
}
.bg-blob.b3 {
  width: 250px; height: 250px;
  background: var(--accent-cyan);
  top: 50%; right: 10%;
  animation-delay: -14s;
}
@keyframes blobMove {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* Staggered reveal for lists */
.stagger-list li {
  opacity: 0;
  transform: translateX(-10px);
  animation: staggerReveal 0.4s ease-out forwards;
}
.stagger-list li:nth-child(1) { animation-delay: 0.1s; }
.stagger-list li:nth-child(2) { animation-delay: 0.2s; }
.stagger-list li:nth-child(3) { animation-delay: 0.3s; }
.stagger-list li:nth-child(4) { animation-delay: 0.4s; }
.stagger-list li:nth-child(5) { animation-delay: 0.5s; }
.stagger-list li:nth-child(6) { animation-delay: 0.6s; }
@keyframes staggerReveal {
  to { opacity: 1; transform: translateX(0); }
}




/* Timeline container */
.journey-timeline {
  position: relative;
  padding: 60px 0;
}

/* Vertical line */
.journey-timeline::before {
  content: "";
  position: absolute;
  left: 34px;
  top: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--accent-cyan),
    transparent
  );

  transform: scaleY(0);
  transform-origin: top;
  transition: transform 1.2s ease;
}