/* ==========================================================================
   OBSIDIAN TECHNICAL DESIGN SYSTEM - SATYAM KUMAR MISHRA PORTFOLIO
   ========================================================================== */

:root {
  /* Color Palette - True Deep Black Obsidian Theme */
  --bg-surface: #06070a;
  --bg-surface-lowest: #020305;
  --bg-surface-low: #0a0c12;
  --bg-surface-container: #10121a;
  --bg-surface-high: #161a24;
  --bg-surface-highest: #202532;

  --color-primary: #c0c1ff;
  --color-primary-bright: #8083ff;
  --color-on-primary: #1000a9;
  --color-primary-container: #222580;
  
  --color-secondary: #4cd7f6;
  --color-on-secondary: #003640;
  
  --color-tertiary: #ffb783;
  --color-on-tertiary: #4f2500;

  --color-on-surface: #e2e8ff;
  --color-on-surface-variant: #9da6c0;
  
  --color-outline: #5c6479;
  --color-outline-variant: #1e2330;

  --color-success: #4ade80;
  --color-warning: #facc15;
  --color-danger: #f87171;

  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout */
  --container-max: 1240px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  background-color: var(--bg-surface);
  color: var(--color-on-surface);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: rgba(192, 193, 255, 0.3);
  color: #ffffff;
}

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography Utilities */
.font-mono { font-family: var(--font-mono); }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-tertiary { color: var(--color-tertiary); }
.text-muted { color: var(--color-on-surface-variant); }
.text-outline { color: var(--color-outline); }

.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, var(--color-primary) 50%, var(--color-secondary) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient-flow 6s ease infinite;
}

@keyframes gradient-flow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Glassmorphism Panels */
.glass-panel {
  background: rgba(10, 12, 18, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--color-outline-variant);
}

/* Tech Cards & Spotlight Hover */
.tech-card {
  background-color: var(--bg-surface-container);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.tech-card::before {
  content: '';
  position: absolute;
  top: var(--mouse-y, 0px);
  left: var(--mouse-x, 0px);
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(192, 193, 255, 0.15) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 1;
}

.tech-card:hover::before {
  opacity: 1;
}

.tech-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.7), 0 0 25px rgba(192, 193, 255, 0.18);
  transform: translateY(-4px);
}

/* Glowing Border Top Highlight */
.glow-effect {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-secondary), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.tech-card:hover .glow-effect {
  opacity: 1;
}

/* Status Badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background-color: rgba(76, 215, 246, 0.08);
  border: 1px solid rgba(76, 215, 246, 0.25);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-secondary);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(76, 215, 246, 0.7); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 8px rgba(76, 215, 246, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(76, 215, 246, 0); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: #d1d2ff;
  box-shadow: 0 0 22px rgba(192, 193, 255, 0.45);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--bg-surface-high);
  color: var(--color-on-surface);
  border-color: var(--color-outline-variant);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-highest);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.45rem 0.95rem;
  font-size: 0.78rem;
}

/* Navigation Header */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition-normal);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-on-surface);
}

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

.nav-link {
  color: var(--color-on-surface-variant);
  text-decoration: none;
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

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

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-on-surface);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section & Background Canvas */
.hero-section {
  padding-top: 130px;
  padding-bottom: 90px;
  position: relative;
  overflow: hidden;
}

#hero-particles-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.7;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 3.1rem;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 1.25rem 0;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--color-on-surface-variant);
  margin-bottom: 2rem;
  max-width: 540px;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: 2rem;
}

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

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: var(--bg-surface-high);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-sm);
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.social-link svg {
  transition: transform var(--transition-fast);
}

.social-link:hover {
  border-color: var(--color-primary);
  color: #ffffff;
  background-color: var(--bg-surface-highest);
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 0 16px rgba(192, 193, 255, 0.25);
}

.social-link:hover svg {
  transform: scale(1.1);
}

.hero-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  background-color: var(--bg-surface-high);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-sm);
  color: var(--color-outline);
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  transform: translateY(-1px);
}

/* Floating Terminal Window Animation */
.terminal-window {
  background-color: var(--bg-surface-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.7), 0 0 30px rgba(192, 193, 255, 0.1);
  overflow: hidden;
  animation: float-gentle 6s ease-in-out infinite;
}

@keyframes float-gentle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.terminal-header {
  background-color: var(--bg-surface-high);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-outline-variant);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background-color: #ff5f56; }
.dot-yellow { background-color: #ffbd2e; }
.dot-green { background-color: #27c93f; }

.terminal-tabs {
  display: flex;
  gap: 4px;
}

.terminal-tab {
  padding: 0.25rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-outline);
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.terminal-tab.active {
  background-color: var(--bg-surface-lowest);
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
}

.terminal-body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  min-height: 320px;
  max-height: 420px;
  overflow-y: auto;
}

.code-line {
  display: flex;
  gap: 1rem;
  opacity: 0;
  transform: translateY(4px);
  animation: typeLine 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes typeLine {
  to { opacity: 1; transform: translateY(0); }
}

.line-num {
  color: var(--color-outline-variant);
  user-select: none;
  min-width: 20px;
  text-align: right;
}

.code-keyword { color: var(--color-secondary); }
.code-string { color: var(--color-tertiary); }
.code-comment { color: var(--color-outline); font-style: italic; }
.code-fn { color: var(--color-primary); }
.code-type { color: #f472b6; }

.cursor-blink {
  display: inline-block;
  width: 8px;
  height: 16px;
  background-color: var(--color-primary);
  margin-left: 4px;
  animation: blink 1s infinite;
  vertical-align: middle;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* Impact Metrics Strip */
.metrics-section {
  background-color: var(--bg-surface-low);
  border-y: 1px solid var(--color-outline-variant);
  padding: 2.5rem 0;
  position: relative;
  z-index: 1;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.metric-card {
  text-align: center;
  padding: 1rem;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 15px rgba(192, 193, 255, 0.3);
}

.metric-label {
  font-size: 0.85rem;
  color: var(--color-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* General Section Styling */
.section {
  padding: 95px 0;
  position: relative;
  z-index: 1;
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 700;
  line-height: 1.2;
}

.section-subtitle {
  color: var(--color-on-surface-variant);
  font-size: 1rem;
  max-width: 600px;
  margin-top: 0.5rem;
}

/* Scroll Reveal Animation Framework */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
  will-change: opacity, transform;
}

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

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* About / Core Architecture Grid */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.principle-card {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.principle-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(192, 193, 255, 0.1);
  border: 1px solid rgba(192, 193, 255, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.principle-card:hover .principle-icon {
  transform: scale(1.1) rotate(4deg);
  background-color: rgba(192, 193, 255, 0.2);
  color: #ffffff;
}

.principle-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.principle-card p {
  color: var(--color-on-surface-variant);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Experience Section */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.timeline-item {
  position: relative;
  padding-left: 60px;
  margin-bottom: 2.5rem;
}

.timeline-dot {
  position: absolute;
  left: 12px;
  top: 24px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--bg-surface);
  border: 3px solid var(--color-primary);
  z-index: 2;
  box-shadow: 0 0 10px var(--color-primary);
}

.experience-card {
  padding: 2rem;
}

.exp-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.exp-role {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-on-surface);
}

.exp-company {
  color: var(--color-secondary);
  font-weight: 600;
}

.exp-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-outline);
  background: var(--bg-surface-high);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-outline-variant);
}

.exp-bullets {
  list-style: none;
  margin-bottom: 1.5rem;
}

.exp-bullets li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.65rem;
  color: var(--color-on-surface-variant);
  font-size: 0.95rem;
}

.exp-bullets li::before {
  content: '->';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* Projects Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
}

.bento-large {
  grid-column: span 12;
}

@media (min-width: 992px) {
  .bento-large { grid-column: span 7; }
  .bento-medium { grid-column: span 5; }
}

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-img-wrapper {
  position: relative;
  width: 100%;
  height: 240px;
  overflow: hidden;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), filter 0.8s ease;
  filter: brightness(0.9) contrast(1.05);
}

.project-card:hover .project-img {
  transform: scale(1.06);
  filter: brightness(1) contrast(1.1);
}

.project-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.project-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-desc {
  color: var(--color-on-surface-variant);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.project-actions {
  margin-top: auto;
  display: flex;
  gap: 1rem;
}

/* Skills & Architecture Filter Matrix */
.skills-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background-color: var(--bg-surface-container);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-sm);
  color: var(--color-on-surface-variant);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
  box-shadow: 0 0 12px rgba(192, 193, 255, 0.3);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.skill-category-card {
  padding: 1.5rem;
}

.skill-cat-title {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-secondary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.35rem 0.75rem;
  background-color: var(--bg-surface-high);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-sm);
  color: var(--color-on-surface);
  transition: all var(--transition-fast);
}

.skill-badge:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.4);
}

/* Marquee Ticker */
.marquee-container {
  background-color: var(--bg-surface-low);
  border-y: 1px solid var(--color-outline-variant);
  padding: 1.25rem 0;
  overflow: hidden;
  white-space: nowrap;
}

.marquee-track {
  display: inline-flex;
  gap: 3rem;
  animation: marquee-scroll 30s linear infinite;
}

.marquee-container:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-outline);
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.marquee-item:hover {
  color: var(--color-primary);
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* API Sandbox Terminal */
.sandbox-wrapper {
  background-color: var(--bg-surface-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.sandbox-controls {
  padding: 1rem 1.5rem;
  background-color: var(--bg-surface-high);
  border-bottom: 1px solid var(--color-outline-variant);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.endpoint-select {
  flex-grow: 1;
  background-color: var(--bg-surface-lowest);
  border: 1px solid var(--color-outline-variant);
  color: var(--color-on-surface);
  padding: 0.6rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  outline: none;
}

.endpoint-select:focus {
  border-color: var(--color-primary);
}

.sandbox-response {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background-color: var(--bg-surface-lowest);
  color: var(--color-on-surface);
  min-height: 220px;
  max-height: 380px;
  overflow-y: auto;
}

/* Awards & Achievements */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.award-card {
  padding: 1.75rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.award-badge-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(255, 183, 131, 0.12);
  border: 1px solid rgba(255, 183, 131, 0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-tertiary);
  font-size: 1.6rem;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.award-card:hover .award-badge-icon {
  transform: scale(1.15) rotate(-5deg);
  background-color: rgba(255, 183, 131, 0.25);
}

.award-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.award-card p {
  color: var(--color-on-surface-variant);
  font-size: 0.88rem;
  line-height: 1.5;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

.contact-info-card {
  padding: 2rem;
  height: 100%;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 42px;
  height: 42px;
  background-color: var(--bg-surface-high);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
}

.contact-text-label {
  font-size: 0.75rem;
  color: var(--color-outline);
  text-transform: uppercase;
}

.contact-text-val {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-on-surface);
}

.copy-btn {
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  margin-left: 0.5rem;
  font-size: 0.8rem;
  transition: transform var(--transition-fast);
}

.copy-btn:hover {
  transform: scale(1.1);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-on-surface-variant);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--bg-surface-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-sm);
  color: var(--color-on-surface);
  font-family: var(--font-main);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 15px rgba(192, 193, 255, 0.2);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Modal Popup */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 5, 8, 0.9);
  backdrop-filter: blur(14px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  padding: 1.5rem;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-container {
  background-color: var(--bg-surface-container);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  max-width: 720px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.8);
  padding: 2rem;
  position: relative;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--color-outline);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal-close:hover { color: var(--color-primary); }

/* Interactive Kafka Live Stream Nodes in Modal */
.kafka-node-flow {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.kafka-step {
  padding: 0.75rem 1rem;
  background: var(--bg-surface-lowest);
  border-left: 3px solid var(--color-outline-variant);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  transition: all var(--transition-fast);
}

.kafka-step.active-step {
  border-left-color: var(--color-secondary);
  background: rgba(76, 215, 246, 0.08);
  box-shadow: 0 0 15px rgba(76, 215, 246, 0.15);
}

/* Footer */
.footer {
  background-color: var(--bg-surface-lowest);
  border-top: 1px solid var(--color-outline-variant);
  padding: 2.5rem 0;
  margin-top: 5rem;
  position: relative;
  z-index: 1;
}

.footer-flex {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

/* Responsive Media Queries */
@media (max-width: 991px) {
  .hero-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .section { padding: 65px 0; }
  .hero-content h1 { font-size: 2.35rem; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--bg-surface-container);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
    border-bottom: 1px solid var(--color-outline-variant);
  }
  
  .nav-links.active {
    transform: translateY(0);
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .timeline::before { left: 10px; }
  .timeline-item { padding-left: 35px; }
  .timeline-dot { left: 2px; }
}