/* ==========================================================================
   VIBE CODING PORTFOLIO - MODERN GLASSMORPHISM & NEON DESIGN SYSTEM
   ========================================================================== */

:root {
  /* Color Palette - Vibrant Dark Cyberpunk */
  --bg-dark: #07070d;
  --bg-darker: #030307;
  --surface-glass: rgba(18, 20, 32, 0.65);
  --surface-glass-border: rgba(255, 255, 255, 0.1);
  --surface-glass-hover: rgba(26, 30, 48, 0.85);

  --accent-cyan: #00f2fe;
  --accent-purple: #7928ca;
  --accent-magenta: #ff007a;
  --accent-green: #00ff87;
  --accent-blue: #4facfe;

  --gradient-neon: linear-gradient(135deg, #00f2fe 0%, #4facfe 50%, #7928ca 100%);
  --gradient-aurora: linear-gradient(135deg, #00ff87 0%, #60efff 100%);
  --gradient-fire: linear-gradient(135deg, #ff0844 0%, #ffb199 100%);
  --gradient-surface: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);

  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;

  /* Typography */
  --font-primary: 'Outfit', sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Shadows & Glows */
  --glow-cyan: 0 0 25px rgba(0, 242, 254, 0.4);
  --glow-purple: 0 0 25px rgba(121, 40, 202, 0.4);
  --glow-green: 0 0 25px rgba(0, 255, 135, 0.4);
  --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.7);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Global */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* 3D WebGL Canvas Layer */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: auto;
  cursor: grab;
}

#particle-canvas:active {
  cursor: grabbing;
}

/* Ambient Background Glows */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(130px);
  pointer-events: none;
  z-index: 1;
  opacity: 0.35;
  animation: pulseGlow 12s infinite alternate ease-in-out;
}

.glow-1 {
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--accent-purple), transparent 70%);
  top: -15vw;
  right: -10vw;
}

.glow-2 {
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle, var(--accent-cyan), transparent 70%);
  bottom: -10vw;
  left: -10vw;
  animation-delay: -6s;
}

@keyframes pulseGlow {
  0% { transform: scale(1) translate(0, 0); opacity: 0.25; }
  100% { transform: scale(1.15) translate(30px, 20px); opacity: 0.45; }
}

/* Navigation */
.glass-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 2rem;
  background: rgba(7, 7, 13, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--surface-glass-border);
  transition: var(--transition-smooth);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-main);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.5px;
}

.logo-symbol {
  font-size: 1.4rem;
  filter: drop-shadow(0 0 8px #ffb300);
}

.accent-text {
  color: var(--accent-cyan);
  margin-left: 2px;
}

.vibe-tag {
  background: var(--gradient-neon);
  color: #000;
  font-size: 0.65rem;
  font-weight: 900;
  padding: 0.2rem 0.5rem;
  border-radius: 9999px;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}

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

.nav-btn {
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
  padding: 0.45rem 1.1rem;
  border-radius: 8px;
  transition: var(--transition-fast);
}

.nav-btn:hover {
  background: var(--accent-cyan);
  color: #000;
  box-shadow: var(--glow-cyan);
}

/* Main Content Wrapper */
#main-content {
  position: relative;
  z-index: 10;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Sections Common */
.section-container {
  padding: 6rem 0;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 4rem auto;
}

.section-sub {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 2px;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* Glass Cards & Panels */
.glass-card {
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--surface-glass-border);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: rgba(0, 242, 254, 0.3);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8), 0 0 30px rgba(0, 242, 254, 0.15);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 5rem;
}

.hero-content {
  max-width: 860px;
  margin: 0 auto;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(0, 255, 135, 0.1);
  border: 1px solid rgba(0, 255, 135, 0.3);
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  margin-bottom: 2rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 14px var(--accent-green); }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.75rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-glow {
  filter: drop-shadow(0 0 35px rgba(0, 242, 254, 0.4));
}

.hero-description {
  color: var(--text-muted);
  font-size: 1.25rem;
  line-height: 1.75;
  margin-bottom: 2.5rem;
  word-break: keep-all;
}

/* Particle HUD Controls */
.hud-panel {
  background: rgba(14, 16, 26, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 242, 254, 0.2);
  border-radius: 14px;
  padding: 1.25rem;
  margin: 0 auto 2.5rem auto;
  max-width: 640px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
}

.hud-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.hud-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hud-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.hud-controls {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 1rem;
}

.hud-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.control-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-right: 0.25rem;
}

.hud-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-muted);
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: var(--transition-fast);
}

.hud-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-main);
  border-color: var(--accent-cyan);
}

.hud-btn.active {
  background: var(--accent-cyan);
  color: #000;
  font-weight: 700;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
}

.hud-color-btn {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
}

.color-neon { background: linear-gradient(135deg, #00f2fe, #7928ca); }
.color-aurora { background: linear-gradient(135deg, #00ff87, #60efff); }
.color-fire { background: linear-gradient(135deg, #ff0844, #ffb199); }
.color-crystal { background: linear-gradient(135deg, #ffffff, #8ec5fc); }

.hud-color-btn.active {
  border-color: #fff;
  transform: scale(1.2);
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.6);
}

/* Action Buttons */
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1.8rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

.nav-highlight {
  color: var(--accent-green) !important;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.btn-dashboard {
  background: linear-gradient(135deg, rgba(0, 255, 135, 0.15), rgba(0, 242, 254, 0.2));
  border: 1px solid var(--accent-green);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 0 25px rgba(0, 255, 135, 0.35);
  position: relative;
  overflow: hidden;
}

.btn-dashboard:hover {
  background: var(--accent-green);
  color: #000;
  box-shadow: 0 0 35px rgba(0, 255, 135, 0.7);
  transform: translateY(-2px);
}

.live-tag {
  background: #ff0844;
  color: #fff;
  font-size: 0.65rem;
  font-weight: 900;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  animation: pulseLive 1.5s infinite;
  margin-left: 0.3rem;
  letter-spacing: 0.5px;
}

@keyframes pulseLive {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.08); opacity: 1; box-shadow: 0 0 10px #ff0844; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.btn-primary {
  background: var(--gradient-neon);
  color: #030307;
  font-weight: 700;
  box-shadow: var(--glow-cyan);
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(0, 242, 254, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* Pillars Section */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.pillar-card {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
}

.neon-blue { background: rgba(0, 242, 254, 0.12); color: var(--accent-cyan); box-shadow: var(--glow-cyan); }
.neon-purple { background: rgba(121, 40, 202, 0.15); color: #b76eff; box-shadow: var(--glow-purple); }
.neon-green { background: rgba(0, 255, 135, 0.12); color: var(--accent-green); box-shadow: var(--glow-green); }

.card-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.card-tag {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.08);
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  border: 1px solid rgba(0, 242, 254, 0.2);
}

/* Projects Showcase */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.project-header {
  padding: 1.25rem 1.5rem 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-green);
  background: rgba(0, 255, 135, 0.1);
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  border: 1px solid rgba(0, 255, 135, 0.25);
}

.project-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.project-visual {
  height: 140px;
  margin: 1rem 1.5rem 0 1.5rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.visual-cloud { background: linear-gradient(135deg, rgba(255, 153, 0, 0.15), rgba(35, 47, 62, 0.6)); }
.visual-3d { background: linear-gradient(135deg, rgba(0, 242, 254, 0.15), rgba(121, 40, 202, 0.4)); }
.visual-ai { background: linear-gradient(135deg, rgba(0, 255, 135, 0.15), rgba(10, 45, 30, 0.6)); }

.visual-icon-box {
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.85);
  filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.3));
}

.project-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.project-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.tech-stack-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.5rem;
}

.chip {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.project-actions {
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1rem;
}

.action-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: none;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

.action-link:hover {
  color: #fff;
  transform: translateX(4px);
}

/* Interactive Terminal Section */
.terminal-window {
  max-width: 820px;
  margin: 0 auto;
  background: rgba(10, 11, 18, 0.9);
  border: 1px solid rgba(0, 242, 254, 0.25);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.8), 0 0 30px rgba(0, 242, 254, 0.1);
  border-radius: 12px;
  overflow: hidden;
}

.terminal-bar {
  background: rgba(18, 20, 32, 0.95);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.terminal-dots {
  display: flex;
  gap: 0.4rem;
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.term-action-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.85rem;
  transition: var(--transition-fast);
}

.term-action-btn:hover {
  color: var(--accent-cyan);
}

.terminal-body {
  padding: 1.25rem;
  min-height: 220px;
  max-height: 340px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.term-line {
  line-height: 1.5;
  word-break: break-word;
}

.term-line.output {
  color: #cbd5e1;
}

.text-neon { color: var(--accent-green); font-weight: 700; }
.text-cyan { color: var(--accent-cyan); font-weight: 700; }
.text-highlight { color: #facc15; }

.terminal-prompt {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  background: rgba(15, 17, 26, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.prompt-user {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-green);
  margin-right: 0.6rem;
  white-space: nowrap;
}

.prompt-at { color: var(--text-dim); }
.prompt-path { color: var(--accent-cyan); }

#terminal-input {
  flex-grow: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #fff;
}

.term-send-btn {
  background: none;
  border: none;
  color: var(--accent-cyan);
  cursor: pointer;
  padding: 0 0.5rem;
}

/* Skills Grid */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

.skill-pill {
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--surface-glass-border);
  padding: 0.75rem 1.4rem;
  border-radius: 9999px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: var(--transition-fast);
}

.skill-pill:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.2);
  color: var(--accent-cyan);
}

/* Contact Section */
.contact-section {
  padding-bottom: 8rem;
}

.contact-card {
  max-width: 820px;
  margin: 0 auto;
  padding: 3.5rem 2.5rem;
  text-align: center;
}

.contact-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
}

.contact-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.contact-button {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  color: #fff;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.contact-button:hover {
  background: rgba(0, 242, 254, 0.15);
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

/* Footer */
.main-footer {
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--surface-glass-border);
  background: rgba(3, 3, 7, 0.85);
  backdrop-filter: blur(16px);
  padding: 2rem 1.5rem;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.footer-status {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-green);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .hero-title { font-size: 2.5rem; }
  .section-title { font-size: 2rem; }
  .nav-links { display: none; }
  .hud-panel { padding: 1rem; }
  .hero-actions { flex-direction: column; width: 100%; }
  .btn { width: 100%; justify-content: center; }
  .footer-container { flex-direction: column; text-align: center; }
}