/* ==========================================================================
   Berke Sezen - Premium Portfolio Stylesheet (style.css)
   Theme: Smart Engineering & Control Cockpit (Premium Dark)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. ROOT DESIGN SYSTEM
   -------------------------------------------------------------------------- */
:root {
  /* HSL Color Tokens for dynamic opacity adjustments */
  --bg-hue: 220;
  --bg-sat: 44%;
  --bg-light: 5%;
  
  --bg-color: hsl(var(--bg-hue), var(--bg-sat), var(--bg-light)); /* #080c14 */
  --panel-color: hsla(220, 48%, 10%, 0.7); /* Deep glass panel */
  --panel-hover: hsla(220, 48%, 14%, 0.85);
  --border-color: rgba(56, 139, 253, 0.15);
  --border-hover: rgba(0, 210, 255, 0.4);
  
  /* Brand Accents */
  --accent-cyan: #00d2ff;
  --accent-cyan-rgb: 0, 210, 255;
  --accent-green: #00f5a0;
  --accent-green-rgb: 0, 245, 160;
  --accent-glow-cyan: rgba(0, 210, 255, 0.15);
  --accent-glow-green: rgba(0, 245, 160, 0.12);
  
  /* Typography Colors */
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted: #57606a;
  
  /* Layout */
  --nav-height: 70px;
  --border-radius-lg: 20px;
  --border-radius-md: 12px;
  --border-radius-sm: 8px;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
  
  /* Shadow & Glows */
  --shadow-premium: 0 20px 50px rgba(0, 0, 0, 0.5);
  --glow-cyan-box: 0 0 25px rgba(0, 210, 255, 0.25);
  --glow-green-box: 0 0 25px rgba(0, 245, 160, 0.18);
}

/* --------------------------------------------------------------------------
   2. RESET & BASE ELEMENTS
   -------------------------------------------------------------------------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) var(--bg-color);
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Engineering Blueprint Grid Background */
body::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(56, 139, 253, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 139, 253, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center;
  pointer-events: none;
  z-index: -2;
}

/* Neon Blur Underlays */
.neon-glow-1 {
  position: absolute;
  top: 15%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-glow-cyan) 0%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
  z-index: -1;
}

.neon-glow-2 {
  position: absolute;
  bottom: 20%;
  left: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow-green) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: -1;
}

/* Typography styles */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--accent-green);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--border-radius-sm);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

/* --------------------------------------------------------------------------
   3. GENERAL LAYOUT & UTILITIES
   -------------------------------------------------------------------------- */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-title-wrap {
  margin-bottom: 50px;
  position: relative;
}

.section-tag {
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-cyan);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.section-tag::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-cyan);
}

.section-title {
  font-size: clamp(30px, 4vw, 40px);
  line-height: 1.2;
}

.section-title span {
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-sub {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 600px;
  margin-top: 10px;
}

/* Glassmorphism Panel Base */
.glass-panel {
  background: var(--panel-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: var(--shadow-premium);
  transition: var(--transition-smooth);
}

.glass-panel:hover {
  border-color: var(--border-hover);
  background: var(--panel-hover);
}

/* Cyber Button Styles */
.btn-cyber {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: var(--border-radius-md);
  font-family: 'Outfit', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-green), #07bfa0);
  color: #03080e;
  border: none;
  box-shadow: 0 4px 20px rgba(0, 245, 160, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 245, 160, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(5px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-cyan);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 210, 255, 0.15);
}

/* Tech Chips */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(56, 139, 253, 0.05);
  border: 1px solid rgba(56, 139, 253, 0.12);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.chip:hover {
  background: rgba(0, 210, 255, 0.08);
  border-color: var(--accent-cyan);
}

/* --------------------------------------------------------------------------
   4. NAVIGATION COCKPIT
   -------------------------------------------------------------------------- */
.nav-cockpit {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
  background: rgba(8, 12, 20, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: var(--transition-smooth);
}

.nav-cockpit.scrolled {
  height: 64px;
  background: rgba(8, 12, 20, 0.85);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.brand-cockpit {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-indicator {
  position: relative;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
}

.brand-indicator::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--accent-cyan);
  animation: pulse-ring 2.5s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.4); opacity: 0.3; }
  100% { transform: scale(1.9); opacity: 0; }
}

.brand-name {
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  background: linear-gradient(90deg, #fff, var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links-cockpit {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links-cockpit a {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.nav-links-cockpit a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
  transition: var(--transition-fast);
}

.nav-links-cockpit a:hover {
  color: var(--text-primary);
}

.nav-links-cockpit a:hover::after,
.nav-links-cockpit a.active::after {
  width: 100%;
}

.nav-links-cockpit a.active {
  color: var(--text-primary);
}

/* Control Station (Lang Switcher & Mobile Menu) */
.control-station {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-panel {
  display: flex;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 3px;
  border-radius: var(--border-radius-sm);
}

.lang-btn {
  background: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  color: var(--text-secondary);
  font-family: 'Outfit', sans-serif;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 6px;
  transition: var(--transition-fast);
}

.lang-btn.active {
  background: linear-gradient(135deg, rgba(0, 210, 255, 0.15), rgba(0, 245, 160, 0.12));
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 210, 255, 0.2);
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 24px;
}

/* Mobile Nav Drawer */
.mobile-drawer {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  width: 100%;
  background: rgba(8, 12, 20, 0.96);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  z-index: 999;
  transform: translateY(-120%);
  transition: var(--transition-smooth);
  padding: 24px;
  display: none;
}

.mobile-drawer.open {
  transform: translateY(0);
}

.mobile-drawer-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-drawer a {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 600;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
}

.mobile-drawer a:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 210, 255, 0.05);
}

/* --------------------------------------------------------------------------
   5. HERO STATION (COCKPIT DASHBOARD)
   -------------------------------------------------------------------------- */
.hero-station {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + 40px);
  position: relative;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.hero-intro {
  z-index: 10;
}

.hero-role-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  background: rgba(0, 210, 255, 0.06);
  border: 1px solid rgba(0, 210, 255, 0.2);
  border-radius: var(--border-radius-sm);
  color: var(--accent-cyan);
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.hero-role-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

.hero-title-main {
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.1;
  margin-bottom: 20px;
  font-weight: 800;
}

.hero-title-main span {
  background: linear-gradient(135deg, #fff, var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title-main .accent {
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 620px;
  margin-bottom: 36px;
}

.hero-tags-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
}

/* FEA Mesh Avatar Section */
.hero-avatar-station {
  display: flex;
  justify-content: center;
  position: relative;
}

.avatar-mechanical-ring {
  position: relative;
  width: 280px;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-fea-mesh {
  position: absolute;
  inset: -15px;
  border: 1px dashed rgba(0, 210, 255, 0.25);
  border-radius: 50%;
  animation: rotate-mesh 30s linear infinite;
  pointer-events: none;
}

.avatar-fea-mesh::before {
  content: "";
  position: absolute;
  top: 15%;
  left: 15%;
  right: 15%;
  bottom: 15%;
  border: 1px dotted rgba(0, 245, 160, 0.2);
  border-radius: 50%;
  animation: rotate-mesh-reverse 15s linear infinite;
}

.avatar-fea-mesh::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 210, 255, 0.15), transparent);
}

@keyframes rotate-mesh {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes rotate-mesh-reverse {
  from { transform: rotate(360deg); }
  to { transform: rotate(0deg); }
}

.avatar-inner-frame {
  position: relative;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--border-color);
  box-shadow: 0 0 35px rgba(0, 0, 0, 0.6);
  z-index: 2;
  transition: var(--transition-smooth);
}

.avatar-inner-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.avatar-mechanical-ring:hover .avatar-inner-frame {
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan-box);
  transform: scale(1.02);
}

.avatar-mechanical-ring:hover .avatar-inner-frame img {
  transform: scale(1.06);
}

/* --------------------------------------------------------------------------
   6. VIBRATION LAB (INTERACTIVE SIMULATOR)
   -------------------------------------------------------------------------- */
.vibration-lab-panel {
  padding: 30px;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 30px;
}

.vibration-visualizer {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.visualizer-screen-wrap {
  position: relative;
  background: #03070d;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8);
}

.visualizer-grid-bg {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0, 210, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 210, 255, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
}

#vibrationCanvas {
  display: block;
  width: 100%;
  height: 280px;
  position: relative;
  z-index: 2;
  cursor: crosshair;
}

.visualizer-telemetry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.telemetry-node {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--border-radius-sm);
  padding: 10px 14px;
}

.telemetry-node .label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.telemetry-node .val {
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-cyan);
}

/* Simulator controls */
.vibration-controls {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
  background: rgba(255, 255, 255, 0.01);
  border-left: 1px solid var(--border-color);
  padding-left: 30px;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.control-label-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.control-label-wrap span.val-display {
  font-family: 'Outfit', sans-serif;
  color: var(--accent-green);
  font-weight: 700;
}

.slider-cyber {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
  outline: none;
  transition: var(--transition-fast);
}

.slider-cyber::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  box-shadow: 0 0 10px var(--accent-cyan);
  transition: var(--transition-fast);
}

.slider-cyber::-webkit-slider-thumb:hover {
  background: var(--accent-green);
  box-shadow: 0 0 12px var(--accent-green);
  transform: scale(1.15);
}

.control-presets {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.preset-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.preset-btns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.btn-preset {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-preset:hover,
.btn-preset.active {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0, 210, 255, 0.04);
}

/* --------------------------------------------------------------------------
   7. ABOUT ME STATION
   -------------------------------------------------------------------------- */
.about-station-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.about-content-panel {
  padding: 40px;
}

.about-bio-text {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 30px;
}

.about-highlights-matrix {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.highlight-card {
  padding: 20px;
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: var(--transition-smooth);
}

.highlight-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-cyan);
  background: rgba(0, 210, 255, 0.02);
}

.highlight-icon {
  font-size: 24px;
  color: var(--accent-cyan);
}

.highlight-title {
  font-size: 16px;
  font-weight: 700;
}

.highlight-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   8. SKILLS DASHBOARD
   -------------------------------------------------------------------------- */
.skills-matrix {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 24px;
}

.skill-cockpit-card {
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.skill-headline-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.skill-headline-icon {
  font-size: 20px;
  color: var(--accent-cyan);
  background: rgba(0, 210, 255, 0.08);
  width: 42px;
  height: 42px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.skill-headline-text h3 {
  font-size: 18px;
}

.skill-headline-text p {
  font-size: 13px;
  color: var(--text-muted);
}

/* Circular Gauge */
.gauge-visualizer {
  display: flex;
  justify-content: center;
  position: relative;
  padding: 10px 0;
}

.gauge-svg-wrap {
  position: relative;
  width: 140px;
  height: 140px;
}

.gauge-circle-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.04);
  stroke-width: 8;
}

.gauge-circle-fill {
  fill: none;
  stroke: url(#gaugeGradient);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 377;
  stroke-dashoffset: 377; /* Animate this in script */
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  transition: stroke-dashoffset 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.gauge-circle-fill.cyan-stroke {
  stroke: url(#gaugeGradientCyan);
}

.gauge-circle-fill.green-stroke {
  stroke: url(#gaugeGradientGreen);
}

.gauge-percentage {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.gauge-percentage .num {
  font-family: 'Outfit', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
}

.gauge-percentage .unit {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
}

/* Soft Skills List */
.soft-skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.soft-skill-node {
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition-fast);
}

.soft-skill-node:hover {
  border-color: var(--accent-green);
  background: rgba(0, 245, 160, 0.02);
}

.soft-skill-node i {
  color: var(--accent-green);
}

/* --------------------------------------------------------------------------
   9. TIMELINE STATION (EXPERIENCE)
   -------------------------------------------------------------------------- */
.experience-timeline {
  position: relative;
  padding: 20px 0;
}

.experience-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 28px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-cyan), var(--border-color) 70%, transparent);
}

.timeline-event {
  position: relative;
  padding-left: 70px;
  margin-bottom: 40px;
}

.timeline-event:last-child {
  margin-bottom: 0;
}

.timeline-indicator {
  position: absolute;
  left: 17px;
  top: 6px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-color);
  border: 2px solid var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: var(--transition-smooth);
}

.timeline-indicator-core {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-cyan);
  transition: var(--transition-smooth);
}

.timeline-card {
  padding: 30px;
}

.timeline-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  padding-bottom: 16px;
}

.timeline-meta h3 {
  font-size: 20px;
  margin-bottom: 4px;
}

.timeline-org {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 8px;
}

.timeline-date-badge {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 6px 14px;
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  white-space: nowrap;
}

.timeline-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.timeline-bullets li {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  position: relative;
  padding-left: 20px;
}

.timeline-bullets li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-green);
  font-weight: 700;
}

.timeline-event:hover .timeline-indicator {
  border-color: var(--accent-green);
  box-shadow: 0 0 15px rgba(0, 245, 160, 0.4);
}

.timeline-event:hover .timeline-indicator-core {
  background: var(--accent-green);
}

/* --------------------------------------------------------------------------
   10. EDUCATION & CREDENTIALS
   -------------------------------------------------------------------------- */
.education-matrix {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (max-width: 900px) {
  .education-matrix {
    grid-template-columns: 1fr;
  }
}

.edu-card {
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  perspective: 1000px;
}

.edu-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 15px;
}

.edu-icon-circle {
  font-size: 18px;
  color: var(--accent-green);
  background: rgba(0, 245, 160, 0.08);
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.edu-meta-title h3 {
  font-size: 18px;
  margin-bottom: 2px;
}

.edu-meta-title p {
  font-size: 14px;
  color: var(--accent-cyan);
  font-weight: 600;
}

.edu-details {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Credentials section */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.cert-card {
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: center;
}

.cert-icon {
  font-size: 22px;
  color: var(--accent-cyan);
}

.cert-meta h4 {
  font-size: 15px;
  margin-bottom: 4px;
  line-height: 1.4;
}

.cert-meta p {
  font-size: 12px;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   11. CONTACT STATION
   -------------------------------------------------------------------------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}

@media (max-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

.contact-info-panel {
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.contact-bio-brief p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.contact-matrix {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-node {
  display: grid;
  grid-template-columns: 140px 1fr;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
  padding-bottom: 16px;
}

.contact-node:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.contact-node .label {
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.contact-node .val {
  font-size: 15px;
  font-weight: 600;
}

/* Interactive Form */
.contact-form-panel {
  padding: 40px;
}

.form-title-wrap {
  margin-bottom: 24px;
}

.form-title-wrap h3 {
  font-size: 20px;
  margin-bottom: 4px;
}

.form-title-wrap p {
  font-size: 13px;
  color: var(--text-secondary);
}

.cyber-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row-dual {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (max-width: 580px) {
  .form-row-dual {
    grid-template-columns: 1fr;
  }
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.input-cyber {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: var(--transition-fast);
  width: 100%;
}

.input-cyber:focus {
  border-color: var(--accent-cyan);
  background: rgba(0, 210, 255, 0.02);
  box-shadow: 0 0 15px rgba(0, 210, 255, 0.1);
}

.btn-form-submit {
  border: none;
  display: flex;
  justify-content: center;
  width: 100%;
}

/* --------------------------------------------------------------------------
   12. COCKPIT FOOTER & REVEAL SCRIPTS
   -------------------------------------------------------------------------- */
.cockpit-footer {
  border-top: 1px solid var(--border-color);
  background: rgba(5, 8, 14, 0.85);
  padding: 40px 0;
  text-align: center;
  position: relative;
  z-index: 10;
}

.footer-brand {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.footer-brand span {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--text-secondary);
}

.cockpit-footer p.copy {
  font-size: 13px;
  color: var(--text-muted);
}

/* Scroll Reveals */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   14. SYSTEMS INTEGRATION HUB & SOFT SKILLS WIDGET STYLES
   -------------------------------------------------------------------------- */
.hub-nodes-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 4px;
  border-radius: var(--border-radius-md);
}

.btn-hub-node {
  flex: 1;
  min-width: 120px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-family: 'Outfit', sans-serif;
  font-size: 12.5px;
  font-weight: 700;
  padding: 10px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
}

.btn-hub-node:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.02);
}

.btn-hub-node.active {
  background: linear-gradient(135deg, rgba(0, 210, 255, 0.1), rgba(0, 245, 160, 0.08));
  color: var(--accent-cyan);
  border-color: rgba(0, 210, 255, 0.25);
  box-shadow: 0 4px 15px rgba(0, 210, 255, 0.1);
}

.hub-active-card {
  background: rgba(3, 7, 13, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 22px;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: var(--transition-smooth);
}

.hub-active-card.fade-in {
  animation: hubCardFade 0.35s ease-out forwards;
}

@keyframes hubCardFade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.hub-card-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hub-card-row .label {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hub-card-row .val {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
}

/* Soft Skills Custom Node & Layout additions */
.soft-skills-panel {
  background: var(--panel-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-premium);
  transition: var(--transition-smooth);
}

.soft-skills-panel:hover {
  border-color: var(--border-hover);
  background: var(--panel-hover);
}

.soft-skill-node {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  transition: var(--transition-fast);
}

.soft-skill-node:hover {
  background: rgba(0, 245, 160, 0.04);
  border-color: rgba(0, 245, 160, 0.15);
  color: var(--text-primary);
  transform: translateX(4px);
}

.soft-skill-node svg {
  color: var(--accent-green);
  flex-shrink: 0;
}

/* Loading Dots effect in terminal console */
.loading-dots::after {
  content: " .";
  animation: dotBlink 1.5s infinite steps(4, start);
}

@keyframes dotBlink {
  0%, 100% { content: " ."; }
  25% { content: " .."; }
  50% { content: " ..."; }
  75% { content: ""; }
}

/* --------------------------------------------------------------------------
   15. RESPONSIVE MEDIA QUERIES (ADAPTIVE DESIGN)
   -------------------------------------------------------------------------- */
@media (max-width: 1000px) {
  .hero-layout {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  
  .hero-intro {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-desc {
    margin-inline: auto;
  }
  
  .hero-tags-grid {
    justify-content: center;
  }
  
  .hero-ctas {
    justify-content: center;
  }
  
  .vibration-lab-panel {
    grid-template-columns: 1fr;
  }
  
  .vibration-controls {
    border-left: none;
    border-top: 1px solid var(--border-color);
    padding-left: 0;
    padding-top: 30px;
  }
}

@media (max-width: 768px) {
  .nav-links-cockpit {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .mobile-drawer {
    display: block;
  }
  
  .section {
    padding: 60px 0;
  }
}