/* ==========================================================================
   LIKHITH - HARDCORE ANDROID / RUST / AI SYSTEMS DESIGN SYSTEM
   Aesthetics: Deep Obsidian, Android Lime, Cyber Cyan, Rust Amber, Logcat Monospaced
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:ital,wght@0,400;0,500;0,700;1,400&display=swap');

:root {
  /* Color Palette */
  --bg-dark: #07090e;
  --bg-card: rgba(15, 23, 42, 0.7);
  --bg-card-hover: rgba(22, 33, 58, 0.85);
  --bg-surface: #0b0f19;
  --bg-glass: rgba(11, 15, 25, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(56, 189, 248, 0.3);
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  /* Hardcore Developer Accent Palette */
  --accent-android: #a4c639; /* Android Lime Green */
  --accent-rust: #f97316;    /* Rust Cargo Orange */
  --accent-ai: #a855f7;      /* On-Device AI Purple */
  --accent-cyan: #38bdf8;    /* Cyber Cyan */
  --accent-blue: #3b82f6;    /* Electric Blue */
  --accent-emerald: #10b981; /* Terminal Emerald */
  --accent-rose: #f43f5e;    /* Logcat Error Red */
  --accent-amber: #eab308;   /* Logcat Warn Yellow */
  
  /* Gradients */
  --grad-android-rust: linear-gradient(135deg, #a4c639 0%, #f97316 100%);
  --grad-cyan-ai: linear-gradient(135deg, #38bdf8 0%, #a855f7 100%);
  --grad-surface: linear-gradient(180deg, rgba(15, 23, 42, 0.8) 0%, rgba(7, 9, 14, 0.95) 100%);
  
  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Layout & Shadows */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.15);
  
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

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

/* Mouse Background Glow & Grid Overlay */
.background-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
  z-index: -2;
}

.mouse-glow {
  position: fixed;
  width: 650px;
  height: 650px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(164, 198, 57, 0.06) 0%, rgba(56, 189, 248, 0.04) 45%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: -1;
  transition: transform 0.08s ease-out;
}

/* Typography Utilities */
h1, h2, h3, h4 {
  color: #ffffff;
  font-weight: 700;
  line-height: 1.2;
}

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

a:hover {
  color: #ffffff;
}

.gradient-text-android {
  background: linear-gradient(135deg, #a4c639 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-rust {
  background: linear-gradient(135deg, #f97316 0%, #eab308 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-ai {
  background: linear-gradient(135deg, #a855f7 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mono {
  font-family: var(--font-mono);
}

/* Layout Containers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-header {
  margin-bottom: 3rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  background: rgba(164, 198, 57, 0.1);
  border: 1px solid rgba(164, 198, 57, 0.25);
  color: var(--accent-android);
  font-family: var(--font-mono);
  font-size: 0.825rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.25rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 700px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(7, 9, 14, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
  display: flex;
  align-items: center;
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-name {
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: #ffffff;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  font-size: 0.925rem;
  font-weight: 500;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Terminal Toggle Button */
.terminal-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.terminal-btn:hover {
  background: rgba(164, 198, 57, 0.15);
  border-color: var(--accent-android);
  color: #ffffff;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, #a4c639 0%, #10b981 100%);
  color: #090d16;
  box-shadow: 0 0 20px rgba(164, 198, 57, 0.25);
  font-weight: 700;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(164, 198, 57, 0.4);
  color: #000;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* Hero Section */
.hero {
  padding-top: 10.5rem;
  padding-bottom: 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  background: rgba(164, 198, 57, 0.1);
  border: 1px solid rgba(164, 198, 57, 0.25);
  color: var(--accent-android);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.4rem;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  line-height: 1.12;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.social-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.2rem;
  transition: var(--transition);
}

.social-icon:hover {
  background: rgba(164, 198, 57, 0.15);
  border-color: var(--accent-android);
  color: #ffffff;
  transform: translateY(-3px);
}

/* Trio Pillar Highlights */
.trio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.trio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.trio-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  transition: var(--transition);
}

.trio-card.android::before { background: var(--accent-android); }
.trio-card.rust::before { background: var(--accent-rust); }
.trio-card.ai::before { background: var(--accent-ai); }

.trio-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-card);
}

.trio-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}

.trio-card.android .trio-icon { background: rgba(164, 198, 57, 0.12); color: var(--accent-android); }
.trio-card.rust .trio-icon { background: rgba(249, 115, 22, 0.12); color: var(--accent-rust); }
.trio-card.ai .trio-icon { background: rgba(168, 85, 247, 0.12); color: var(--accent-ai); }

.trio-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.trio-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Metric Cards */
.metrics-grid {
  display grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.metric-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.metric-val {
  font-size: 2.25rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.metric-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Papers / Research Section */
.papers-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.paper-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.paper-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent-android) 0%, var(--accent-cyan) 100%);
  opacity: 0.7;
  transition: var(--transition);
}

.paper-card:hover {
  border-color: rgba(56, 189, 248, 0.3);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.paper-card:hover::before {
  opacity: 1;
  width: 6px;
}

.paper-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.badge {
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  font-size: 0.775rem;
  font-weight: 600;
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.badge-ieee {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-ijca {
  background: rgba(20, 184, 166, 0.15);
  color: #2dd4bf;
  border: 1px solid rgba(20, 184, 166, 0.3);
}

.paper-year {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.paper-title {
  font-size: 1.45rem;
  margin-bottom: 0.75rem;
}

.paper-authors {
  font-size: 0.925rem;
  color: var(--accent-android);
  margin-bottom: 1rem;
}

.paper-abstract {
  color: var(--text-muted);
  font-size: 0.975rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.paper-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.highlight-chip {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.825rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

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

.paper-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.doi-text {
  font-family: var(--font-mono);
  font-size: 0.825rem;
  color: var(--text-dim);
}

.paper-links {
  display: flex;
  gap: 0.75rem;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
}

.project-card:hover {
  border-color: rgba(164, 198, 57, 0.35);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
}

.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.project-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(164, 198, 57, 0.1);
  border: 1px solid rgba(164, 198, 57, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent-android);
}

.project-icon-box.rust-icon {
  background: rgba(249, 115, 22, 0.1);
  border-color: rgba(249, 115, 22, 0.25);
  color: var(--accent-rust);
}

.project-title {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.project-tagline {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  line-height: 1.55;
}

.project-features {
  list-style: none;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.project-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.project-features li i {
  color: var(--accent-android);
  font-size: 0.8rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tech-tag {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.775rem;
  color: var(--text-muted);
}

.project-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Interactive AutoFlow Simulator & Logcat Viewer */
.simulator-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.simulator-header {
  background: rgba(11, 15, 25, 0.95);
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sim-dots {
  display: flex;
  gap: 0.5rem;
}

.sim-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.sim-dot.red { background: #ef4444; }
.sim-dot.yellow { background: #f59e0b; }
.sim-dot.green { background: #10b981; }

.sim-title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.simulator-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

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

.sim-controls {
  padding: 2rem;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.trigger-selector {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sim-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.trigger-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.trigger-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  transition: var(--transition);
}

.trigger-btn.active, .trigger-btn:hover {
  background: rgba(164, 198, 57, 0.15);
  border-color: var(--accent-android);
  color: #ffffff;
}

.code-editor-box {
  background: #06080e;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
  color: #e2e8f0;
  min-height: 170px;
  resize: none;
  width: 100%;
  outline: none;
}

.sim-console {
  background: #05070a;
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.console-output {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #38bdf8;
  height: 270px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.log-line {
  display: flex;
  gap: 0.75rem;
  word-break: break-all;
}

.log-time {
  color: var(--text-dim);
}

.log-tag {
  color: var(--accent-android);
  font-weight: 700;
}

.log-msg {
  color: var(--text-main);
}

.log-msg.success { color: var(--accent-emerald); }
.log-msg.warning { color: var(--accent-amber); }
.log-msg.security { color: var(--accent-rose); }
.log-msg.rust { color: var(--accent-rust); }

/* Interactive Terminal CLI Overlay / Modal */
.terminal-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(7, 9, 14, 0.88);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.terminal-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.terminal-window {
  width: 820px;
  max-width: 92vw;
  height: 540px;
  background: #06080e;
  border: 1px solid rgba(164, 198, 57, 0.3);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.9), 0 0 30px rgba(164, 198, 57, 0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.terminal-bar {
  background: #0f172a;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.terminal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
}

.terminal-close:hover {
  color: #fff;
}

.terminal-body {
  padding: 1.5rem;
  flex: 1;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  color: #e2e8f0;
}

.terminal-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.terminal-prompt {
  color: var(--accent-android);
  font-weight: 700;
}

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

/* Skills Matrix */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(10px);
}

.category-title {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.category-title i {
  color: var(--accent-android);
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
}

.skill-name {
  color: var(--text-main);
  font-weight: 500;
}

.skill-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 100px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-android) 0%, var(--accent-cyan) 100%);
  border-radius: 100px;
}

.skill-progress.rust-bar {
  background: linear-gradient(90deg, var(--accent-rust) 0%, var(--accent-amber) 100%);
}

.skill-progress.ai-bar {
  background: linear-gradient(90deg, var(--accent-ai) 0%, var(--accent-cyan) 100%);
}

/* Footer & Contact */
.footer {
  padding: 4rem 0 2rem 0;
  border-top: 1px solid var(--border-color);
  background: rgba(7, 9, 14, 0.95);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  text-align: center;
}

.footer-brand {
  font-size: 1.65rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.footer-text {
  color: var(--text-muted);
  max-width: 550px;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.copy-text {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 2rem;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: #0f172a;
  border: 1px solid var(--border-glow);
  color: #fff;
  padding: 0.9rem 1.4rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Responsive Adjustments */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .hero-title {
    font-size: 2.6rem;
  }
  
  .trio-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-links {
    display: none;
  }
}