/* ==========================================================================
   Vansh Goel: DevOps and Cloud Engineer Portfolio
   Comprehensive Design System (Dark/Light Modes + Interactive Accent Themes)
   ========================================================================== */

:root {
  /* Default Theme: Dark */
  --bg: #0b0f14;
  --bg-pattern: #10151c;
  --panel: #111720;
  --panel-elevated: #151d28;
  --panel-hover: #192331;
  --line: #222d3c;
  --line-bright: #313f53;
  --text: #f0f4f8;
  --text-secondary: #cbd5e1;
  --muted: #8a98a8;
  --dim: #5a6878;

  /* Default Accent: Cyber Emerald / Lime (matching surajsunrays aesthetic) */
  --accent: #b5ed82;
  --accent-rgb: 181, 237, 130;
  --accent-glow: rgba(181, 237, 130, 0.18);
  --accent-secondary: #34e2c4;
  --accent-contrast: #07150a;

  /* Auxiliary Tech Colors */
  --c-orange: #f59e0b;
  --c-blue: #38bdf8;
  --c-purple: #a855f7;
  --c-red: #f43f5e;
  --c-green: #10b981;

  /* Geometry & Elevation */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 9999px;
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.5);

  /* Typography */
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

/* Light Theme */
[data-theme="light"] {
  --bg: #f8fafc;
  --bg-pattern: #f1f5f9;
  --panel: #ffffff;
  --panel-elevated: #f8fafc;
  --panel-hover: #f1f5f9;
  --line: #e2e8f0;
  --line-bright: #cbd5e1;
  --text: #0f172a;
  --text-secondary: #334155;
  --muted: #64748b;
  --dim: #94a3b8;

  --accent: #15803d;
  --accent-rgb: 21, 128, 61;
  --accent-glow: rgba(21, 128, 61, 0.12);
  --accent-secondary: #0d9488;
  --accent-contrast: #ffffff;

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.1);
}

/* Interactive Color Palettes */
[data-accent="emerald"] {
  --accent: #b5ed82;
  --accent-rgb: 181, 237, 130;
  --accent-glow: rgba(181, 237, 130, 0.2);
  --accent-contrast: #07150a;
}
[data-theme="light"][data-accent="emerald"] {
  --accent: #16a34a;
  --accent-rgb: 22, 163, 74;
  --accent-glow: rgba(22, 163, 74, 0.15);
  --accent-contrast: #ffffff;
}

[data-accent="cyan"] {
  --accent: #38bdf8;
  --accent-rgb: 56, 189, 248;
  --accent-glow: rgba(56, 189, 248, 0.2);
  --accent-contrast: #041421;
}
[data-theme="light"][data-accent="cyan"] {
  --accent: #0284c7;
  --accent-rgb: 2, 132, 199;
  --accent-glow: rgba(2, 132, 199, 0.15);
  --accent-contrast: #ffffff;
}

[data-accent="amber"] {
  --accent: #fbbf24;
  --accent-rgb: 251, 191, 36;
  --accent-glow: rgba(251, 191, 36, 0.2);
  --accent-contrast: #181002;
}
[data-theme="light"][data-accent="amber"] {
  --accent: #d97706;
  --accent-rgb: 217, 119, 6;
  --accent-glow: rgba(217, 119, 6, 0.15);
  --accent-contrast: #ffffff;
}

[data-accent="purple"] {
  --accent: #c084fc;
  --accent-rgb: 192, 132, 252;
  --accent-glow: rgba(192, 132, 252, 0.2);
  --accent-contrast: #150624;
}
[data-theme="light"][data-accent="purple"] {
  --accent: #7c3aed;
  --accent-rgb: 124, 58, 237;
  --accent-glow: rgba(124, 58, 237, 0.15);
  --accent-contrast: #ffffff;
}

[data-accent="rose"] {
  --accent: #fb7185;
  --accent-rgb: 251, 113, 133;
  --accent-glow: rgba(251, 113, 133, 0.2);
  --accent-contrast: #20040a;
}
[data-theme="light"][data-accent="rose"] {
  --accent: #e11d48;
  --accent-rgb: 225, 29, 72;
  --accent-glow: rgba(225, 29, 72, 0.15);
  --accent-contrast: #ffffff;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-attachment: fixed;
  background-position: -1px -1px;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 900px 550px at 15% -5%, var(--accent-glow), transparent 70%),
    radial-gradient(ellipse 700px 500px at 90% 40%, rgba(245, 158, 11, 0.08), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

::selection {
  background: var(--accent);
  color: var(--accent-contrast);
}

.wrap {
  max-width: 1240px;
  margin: 0 auto;
  padding-left: 28px;
  padding-right: 28px;
  position: relative;
  z-index: 1;
}

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

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--line-bright);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 88px;
  z-index: 1000;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(11, 15, 20, 0.85);
  border-bottom: 1px solid var(--line);
  transition: background 0.3s ease, border-color 0.3s ease;
}

[data-theme="light"] header {
  background: rgba(248, 250, 252, 0.9);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* Clearly Understandable "VG" Signature Monogram Logo */
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-display);
}

.brand-signature {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.brand:hover .brand-signature {
  transform: translateY(-2px) scale(1.05);
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}

[data-theme="light"] .brand-signature {
  background: #ffffff;
  border-color: #cbd5e1;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.04);
}

[data-theme="light"] .brand:hover .brand-signature {
  border-color: var(--accent);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.08), 0 0 16px var(--accent-glow);
}

.brand-signature svg {
  width: 38px;
  height: 38px;
}

.brand-signature text.vg-text {
  font-family: 'Brush Script MT', 'Dancing Script', 'Sacramento', cursive, sans-serif;
  font-size: 26px;
  font-weight: 700;
  font-style: italic;
  fill: var(--accent);
  letter-spacing: -2px;
}

.brand-signature circle.vg-dot {
  fill: var(--accent);
}

.brand-name {
  display: flex;
  flex-direction: column;
}

.brand-name-main {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.6px;
  color: var(--text);
  line-height: 1.1;
}

.brand-name-main span.accent {
  color: var(--accent);
}

.brand-name-sub {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 1.2px;
  color: var(--muted);
  text-transform: uppercase;
}

/* Nav Links */
nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

nav a {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}

nav a span.idx {
  color: var(--dim);
  font-size: 11px;
  margin-right: 4px;
}

nav a:hover,
nav a.active {
  color: var(--text);
}

nav a:hover span.idx,
nav a.active span.idx {
  color: var(--accent);
}

nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.25s ease;
}

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

/* Header Controls & Palette Picker */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Interactive Color Theme Picker */
.palette-picker {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius-pill);
}

.color-dot-btn {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid transparent;
  transition: transform 0.2s ease, border-color 0.2s ease;
  position: relative;
}

.color-dot-btn:hover,
.color-dot-btn.active {
  transform: scale(1.25);
  border-color: var(--text);
}

.color-dot-btn.emerald { background: #b5ed82; }
.color-dot-btn.cyan { background: #38bdf8; }
.color-dot-btn.amber { background: #fbbf24; }
.color-dot-btn.purple { background: #c084fc; }
.color-dot-btn.rose { background: #fb7185; }

/* Dark / Light Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--panel);
  border: 1px solid var(--line-bright);
  color: var(--text);
  font-size: 15px;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: rotate(15deg);
}

[data-theme="light"] .theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

.contact-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-bright);
  background: var(--panel);
  color: var(--text);
  font-weight: 500;
  transition: all 0.2s ease;
}

.contact-nav span.arrow {
  color: var(--accent);
  transition: transform 0.2s ease;
}

.contact-nav:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
  color: var(--accent);
}

.contact-nav:hover span.arrow {
  transform: translate(2px, -2px);
}

.mobile-nav-toggle {
  display: none;
  font-size: 22px;
  color: var(--text);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-bright);
  background: var(--panel);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding-top: 150px;
  padding-bottom: 70px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1.8px;
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 18px;
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulseDot 2s infinite ease-in-out;
  flex-shrink: 0;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.85); }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 4.6vw, 60px);
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: -1.8px;
  margin-bottom: 20px;
}

.hero h1 span.highlight {
  color: var(--accent);
}

.typed-wrapper {
  font-family: var(--font-mono);
  font-size: 14.5px;
  color: var(--muted);
  margin-bottom: 20px;
  min-height: 26px;
  display: flex;
  align-items: center;
}

.typed-wrapper .cursor {
  display: inline-block;
  width: 7px;
  height: 16px;
  background: var(--accent);
  margin-left: 4px;
  animation: blinkCursor 0.9s steps(2) infinite;
}

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

.hero-intro {
  font-size: 16.5px;
  color: var(--muted);
  max-width: 560px;
  line-height: 1.65;
  margin-bottom: 24px;
}

.hero-intro strong {
  color: var(--text);
}

.availability {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--panel);
  border: 1px solid var(--line-bright);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-secondary);
  margin-bottom: 26px;
}

.availability .avail-tag {
  color: var(--muted);
  padding-left: 6px;
  border-left: 1px solid var(--line-bright);
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}

.btn {
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.22s ease;
  border: 1px solid transparent;
}

.btn.primary {
  background: var(--accent);
  color: var(--accent-contrast);
  box-shadow: 0 4px 18px var(--accent-glow);
}

.btn.primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn.secondary {
  background: var(--panel);
  border-color: var(--line-bright);
  color: var(--text);
}

.btn.secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  background: var(--panel-hover);
}

.btn.ai-btn {
  background: var(--panel);
  border-color: var(--line-bright);
  color: var(--accent);
}

.btn.ai-btn:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.social-links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

.social-links a:hover {
  color: var(--accent);
}

.social-links .location {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--dim);
}

/* ==========================================================================
   Logical DevOps Pipeline Architecture (Hero Right)
   ========================================================================== */
.architecture-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: border-color 0.3s ease;
}

.architecture-card:hover {
  border-color: var(--line-bright);
}

.diagram-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 20px;
  background: var(--panel-elevated);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted);
}

.diagram-header .sys-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 600;
}

/* Interactive Simulate Run Button */
.run-pipeline-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s ease;
}

.run-pipeline-btn:hover {
  background: var(--accent);
  color: var(--accent-contrast);
  transform: scale(1.05);
}

.run-pipeline-btn.running {
  background: var(--c-orange);
  color: #111;
  border-color: var(--c-orange);
  animation: pulseBtn 1s infinite alternate;
}

@keyframes pulseBtn {
  0% { opacity: 0.8; }
  100% { opacity: 1; transform: scale(1.04); }
}

/* Pipeline Step Simulation Active Glows */
.flow-step.sim-active {
  border-color: var(--accent) !important;
  background: var(--panel-hover) !important;
  box-shadow: 0 0 16px var(--accent-glow);
  transform: scale(1.02);
  transition: all 0.3s ease;
}

.flow-step.sim-active strong {
  color: var(--accent) !important;
}

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

.diagram-header .dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.diagram-header .dots span:nth-child(1) { background: #ef4444; }
.diagram-header .dots span:nth-child(2) { background: #f59e0b; }
.diagram-header .dots span:nth-child(3) { background: #10b981; }

.diagram-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Logical Steps: Git Push -> CI/CD -> IaC -> Cloud -> Containers -> Live */
.flow-step {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12.5px;
  transition: all 0.2s ease;
}

.flow-step:hover {
  border-color: var(--line-bright);
  background: var(--panel-hover);
}

.flow-step.step-git {
  border-left: 3px solid var(--c-orange);
}

.flow-step.step-cicd {
  border-left: 3px solid var(--c-blue);
  background: var(--panel-elevated);
}

.flow-step.step-iac {
  border-left: 3px solid var(--c-purple);
}

.flow-step.step-runtime {
  border-left: 3px solid var(--accent);
}

.flow-arrow {
  display: flex;
  justify-content: center;
  color: var(--line-bright);
  font-size: 13px;
  line-height: 1;
}

/* Multi-Cloud Grid in Pipeline */
.pipeline-clouds-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.p-cloud-box {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.p-cloud-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text);
}

.p-cloud-left svg {
  width: 20px;
  height: 20px;
}

.p-cloud-box em.status {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 4px;
}

.p-cloud-box em.status::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* Pipeline Observability */
.pipeline-obs-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.p-obs-pill {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 6px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.p-obs-pill i {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

.diagram-footer {
  padding: 12px 20px;
  background: var(--panel-elevated);
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.diagram-footer .status-text {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
}

.diagram-footer .uptime-text strong {
  color: var(--text);
}

/* ==========================================================================
   Metrics Bar
   ========================================================================== */
.metrics-section {
  padding: 30px 0 60px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.metric-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px 22px;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.metric-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.metric-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-bright);
  box-shadow: var(--shadow-md);
}

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

.metric-num {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  color: var(--text);
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.metric-num .suffix {
  color: var(--accent);
  font-size: 32px;
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.4;
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section {
  padding: 85px 0;
  position: relative;
  z-index: 1;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 44px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.8vw, 44px);
  font-weight: 600;
  letter-spacing: -1px;
  line-height: 1.15;
}

.section-head p.subhead {
  color: var(--muted);
  font-size: 16px;
  max-width: 540px;
  line-height: 1.55;
  margin-top: 8px;
}

.sec-count {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

/* ==========================================================================
   01 / The Toolkit: Logically Categorized DevOps Stacks
   ========================================================================== */
.toolkit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 24px;
}

.toolkit-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.toolkit-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-bright);
  box-shadow: var(--shadow-md);
}

.card-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 18px;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--accent);
}

.toolkit-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 8px;
}

.toolkit-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.badge-stream {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 5px 11px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.badge-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.badge-tag.highlight {
  border-color: rgba(var(--accent-rgb), 0.35);
  color: var(--accent);
  background: var(--accent-glow);
}

/* Also In My Toolkit Bar */
.also-toolkit {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.also-toolkit .title {
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.also-toolkit .title::after {
  content: "/";
  color: var(--dim);
}

.also-toolkit .chip {
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 4px;
}

/* ==========================================================================
   02 / The Philosophy & Approach (About)
   ========================================================================== */
.about-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 44px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  box-shadow: var(--shadow-sm);
}

.about-left h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.15;
  margin-bottom: 24px;
}

.about-left p.lead {
  font-size: 16.5px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

.principles-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.principle-pill {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
}

.about-right {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.info-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 24px;
}

.info-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.info-card h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.cgpa-pill {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  padding: 4px 10px;
  border-radius: 4px;
}

.info-card .degree {
  color: var(--text-secondary);
  font-size: 14.5px;
  margin-bottom: 6px;
}

.info-card .timeline-dates {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.about-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}

.about-points li {
  font-size: 14.5px;
  color: var(--muted);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.about-points li span.icon {
  color: var(--accent);
  font-family: var(--font-mono);
}

/* Authentic Origin Story Box */
.story-box {
  background: var(--bg);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin-top: 22px;
}

.story-box .story-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.story-box p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   03 / The Track Record (Devnagri at Noida, India)
   ========================================================================== */
.experience-timeline {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.exp-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.exp-card:hover {
  border-color: var(--line-bright);
  box-shadow: var(--shadow-md);
}

.exp-header {
  padding: 24px 30px;
  background: var(--panel-elevated);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.exp-header-left h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 4px;
}

.exp-header-left .company-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13.5px;
}

.exp-header-left .company {
  color: var(--accent);
  font-weight: 600;
}

.exp-header-left .location {
  color: var(--muted);
}

.exp-date-pill {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.exp-date-pill span.badge-recent {
  font-size: 10px;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.exp-summary {
  padding: 24px 30px 14px;
  color: var(--text-secondary);
  font-size: 15.5px;
  line-height: 1.6;
}

.exp-impact-strip {
  padding: 0 30px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.impact-chip {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.impact-chip strong {
  color: var(--accent);
}

.exp-stages {
  border-top: 1px solid var(--line);
  background: var(--bg);
}

.stage-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
  padding: 18px 30px;
  border-bottom: 1px solid var(--line);
}

.stage-row:last-child {
  border-bottom: none;
}

.stage-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stage-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--dim);
}

.stage-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  padding: 4px 8px;
  border-radius: 4px;
  width: fit-content;
  font-weight: 600;
}

.stage-row p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.6;
}

/* ==========================================================================
   04 / Selected Work (Verified Resume Links)
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}

.project-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-bright);
  box-shadow: var(--shadow-md);
}

.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.project-index {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--dim);
}

.project-links {
  display: flex;
  gap: 10px;
}

.project-link-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  border: 1px solid var(--line-bright);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s ease;
}

.project-link-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
}

.project-card p.project-desc {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
  margin-bottom: 22px;
  flex-grow: 1;
}

.project-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.project-features li {
  font-size: 13.5px;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.project-features li::before {
  content: "→";
  color: var(--accent);
  font-family: var(--font-mono);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.project-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  padding: 4px 10px;
  border-radius: 4px;
}

/* ==========================================================================
   05 / Credentials with Certificate Badges & Direct Links
   ========================================================================== */
.credentials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.cred-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.cred-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-bright);
  box-shadow: var(--shadow-md);
}

.cred-card-top {
  display: flex;
  gap: 18px;
}

.cred-badge-visual {
  width: 52px;
  height: 52px;
  min-width: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
}

.cred-badge-visual.orange {
  background: rgba(245, 158, 11, 0.15);
  color: var(--c-orange);
  border-color: rgba(245, 158, 11, 0.3);
}

.cred-info small {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  display: block;
  margin-bottom: 4px;
}

.cred-info h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.cred-info p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.cred-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--line);
  align-self: flex-start;
  transition: all 0.2s ease;
}

.cred-link-btn:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
  transform: translateX(3px);
}

/* ==========================================================================
   06 / Redesigned AI Chatbot (Modern Hybrid Chat Interface)
   ========================================================================== */
.assistant-wrapper {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.ai-header-bar {
  padding: 16px 24px;
  background: var(--panel-elevated);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ai-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ai-avatar {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent-glow);
  border: 1px solid rgba(var(--accent-rgb), 0.4);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.ai-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--accent);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.ai-feed {
  min-height: 380px;
  max-height: 480px;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: var(--bg);
}

/* Chat Message Bubbles */
.chat-row {
  display: flex;
  gap: 12px;
  max-width: 86%;
  animation: fadeInMsg 0.25s ease forwards;
}

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

.chat-row.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-row.bot {
  align-self: flex-start;
}

.chat-bubble {
  padding: 14px 18px;
  border-radius: 14px;
  font-size: 14.5px;
  line-height: 1.6;
}

.chat-row.user .chat-bubble {
  background: var(--panel-elevated);
  border: 1px solid var(--line-bright);
  color: var(--text);
  border-top-right-radius: 2px;
}

.chat-row.bot .chat-bubble {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text-secondary);
  border-top-left-radius: 2px;
  box-shadow: var(--shadow-sm);
}

.chat-bubble strong {
  color: var(--text);
}

.chat-bubble a {
  color: var(--accent);
  text-decoration: underline;
}

.chat-bubble ul {
  margin-top: 6px;
  padding-left: 18px;
}

.chat-bubble li {
  margin-bottom: 4px;
}

/* Starter Welcome Banner in AI Chat */
.ai-welcome-banner {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 8px;
}

.ai-welcome-banner .icon {
  font-size: 24px;
  color: var(--accent);
}

.ai-welcome-banner h4 {
  font-family: var(--font-display);
  font-size: 16px;
  margin-bottom: 4px;
}

.ai-welcome-banner p {
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.5;
}

/* Suggested Chips */
.ai-chips-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 24px;
  background: var(--panel-elevated);
  border-top: 1px solid var(--line);
}

.ai-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ai-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-1px);
}

/* Interactive CLI Command Badges */
.cmd-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--accent);
  background: var(--bg);
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  padding: 2px 8px;
  border-radius: 4px;
  cursor: pointer;
  margin: 2px 4px 2px 0;
  transition: all 0.2s ease;
  user-select: none;
}

.cmd-pill:hover {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px var(--accent-glow);
}

/* Chat Input Bar */
.ai-input-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: var(--panel);
  border-top: 1px solid var(--line);
}

#ai-input {
  flex-grow: 1;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease;
}

#ai-input:focus {
  border-color: var(--accent);
}

.ai-send-btn {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-contrast);
  transition: all 0.2s ease;
}

.ai-send-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

/* Typing Dots */
.typing-dots {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
}

.typing-dots span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  animation: typingBounce 1.3s infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 80%, 100% { opacity: 0.2; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1.1); }
}

/* ==========================================================================
   07 / Get In Touch (Contact)
   ========================================================================== */
.contact-section {
  padding-bottom: 100px;
}

.contact-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 50px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  box-shadow: var(--shadow-lg);
}

.contact-left h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.8vw, 44px);
  line-height: 1.15;
  margin-bottom: 18px;
}

.contact-left p.pitch {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
  margin-bottom: 28px;
}

.contact-options-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-option-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.contact-option-item:hover {
  border-color: var(--accent);
  background: var(--panel-hover);
  transform: translateX(4px);
}

.contact-option-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.contact-opt-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 14px;
}

.contact-opt-text strong {
  display: block;
  font-size: 14px;
  color: var(--text);
}

.contact-opt-text span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.contact-option-item .arrow-icon {
  color: var(--accent);
  font-size: 16px;
  transition: transform 0.2s ease;
}

.contact-option-item:hover .arrow-icon {
  transform: translate(2px, -2px);
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--muted);
}

.form-group input,
.form-group textarea {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-hint {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--dim);
  text-align: center;
}

/* ==========================================================================
   Interactive Visitor Reactions Widget
   ========================================================================== */
.reactions-section {
  padding: 0 0 70px;
}

.reactions-inner {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.reactions-inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--c-blue), var(--c-purple));
}

.reactions-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.reactions-title .pulse-icon {
  font-size: 20px;
  animation: pulseDot 1.8s infinite ease-in-out;
}

.reactions-buttons {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.reaction-btn {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
  transition: all 0.2s ease;
}

.reaction-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px var(--accent-glow);
}

.reaction-btn.liked {
  border-color: var(--accent);
  background: var(--accent-glow);
  color: var(--accent);
  font-weight: 600;
}

.reaction-btn .count {
  font-size: 11.5px;
  background: var(--panel-elevated);
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  color: var(--muted);
  border: 1px solid var(--line);
}

.reaction-btn.liked .count {
  color: var(--accent);
  border-color: rgba(var(--accent-rgb), 0.3);
}

/* Floating Emoji Particle */
.floating-emoji {
  position: fixed;
  pointer-events: none;
  font-size: 24px;
  z-index: 9999;
  animation: floatUpBurst 1.2s ease-out forwards;
}

@keyframes floatUpBurst {
  0% {
    opacity: 1;
    transform: translate(0, 0) scale(0.8) rotate(0deg);
  }
  50% {
    transform: translate(var(--dx), -70px) scale(1.3) rotate(var(--rot));
  }
  100% {
    opacity: 0;
    transform: translate(calc(var(--dx) * 1.5), -140px) scale(1) rotate(calc(var(--rot) * 2));
  }
}

/* 3D Card Tilt Effect */
.tilt-card {
  transition: transform 0.15s ease-out, box-shadow 0.25s ease;
  transform-style: preserve-3d;
  will-change: transform;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
  border-top: 1px solid var(--line);
  padding: 40px 0 50px;
  background: var(--bg);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--muted);
}

.back-to-top {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  transition: all 0.2s ease;
}

.back-to-top:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* Floating AI Quick Trigger */
.floating-ai-trigger {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--panel);
  border: 1px solid var(--line-bright);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-lg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  transition: all 0.25s ease;
}

.floating-ai-trigger:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 8px 26px var(--accent-glow);
  color: var(--accent);
}

.floating-ai-trigger .bot-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulseDot 2s infinite ease-in-out;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .toolkit-grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-box {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 32px;
  }

  .contact-card {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 34px;
  }
}

@media (max-width: 768px) {
  header {
    height: 76px;
  }

  .hero {
    padding-top: 110px;
  }

  nav {
    display: none;
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 28px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
  }

  nav.open {
    display: flex;
  }

  .mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .palette-picker {
    display: none;
  }

  .toolkit-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .credentials-grid {
    grid-template-columns: 1fr;
  }

  .stage-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 16px 20px;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .floating-ai-trigger {
    bottom: 20px;
    right: 20px;
  }
}