/* ==========================================================================
   ADITYA CHAVAN — SYSTEMS & BACKEND ARCHITECTURE
   Aesthetic: Steve Jobs / Industrial Precision / Dieter Rams / Linear
   Color Palette: Obsidian (#0A0A0A), Off-White (#FAFAFA), Silver (#888888)
   ========================================================================== */

:root {
  --bg: #0A0A0A;
  --bg-surface: #111111;
  --bg-surface-elevated: #161616;
  --bg-surface-translucent: rgba(10, 10, 10, 0.85);
  --border: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.04);
  --border-hover: rgba(255, 255, 255, 0.22);
  --border-focus: rgba(255, 255, 255, 0.4);
  
  --text-primary: #FAFAFA;
  --text-secondary: #888888;
  --text-muted: #555555;
  --text-subtle: #3E3E3E;
  
  --accent-green: #10B981;
  --accent-green-glow: rgba(16, 185, 129, 0.25);
  --accent-blue: #38BDF8;
  --accent-blue-glow: rgba(56, 189, 248, 0.2);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', -system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Geist Mono', 'SFMono-Regular', Menlo, Monaco, Consolas, monospace;

  --tracking-tight: -0.035em;
  --tracking-normal: -0.015em;
  --tracking-mono: -0.01em;
  --tracking-wide: 0.08em;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms var(--ease-out-expo);
  --transition-normal: 250ms var(--ease-out-expo);
  --transition-slow: 400ms var(--ease-out-expo);
}

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

html {
  font-size: 16px;
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

/* Staggered entrance animations */
@keyframes fadeUp {
  0% {
    opacity: 0;
    transform: translateY(18px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-entry {
  opacity: 0;
  animation: fadeUp 0.6s var(--ease-out-expo) forwards;
}

.delay-1 { animation-delay: 0.05s; }
.delay-2 { animation-delay: 0.12s; }
.delay-3 { animation-delay: 0.18s; }
.delay-4 { animation-delay: 0.25s; }
.delay-5 { animation-delay: 0.32s; }

/* Selection */
::selection {
  background: #FAFAFA;
  color: #0A0A0A;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: #262626;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #404040;
}

/* Layout container */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 2.5rem;
  }
}

/* Typography Utilities */
.mono {
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-mono);
}

.text-secondary {
  color: var(--text-secondary);
}

.text-muted {
  color: var(--text-muted);
}

.text-accent-green {
  color: var(--accent-green);
}

.text-accent-blue {
  color: var(--accent-blue);
}

/* Header & Navigation Bar */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  background: var(--bg-surface-translucent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: border-color var(--transition-fast);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-monogram {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.nav-brand:hover .brand-monogram {
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

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

.brand-name {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand-role {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

@media (min-width: 860px) {
  .nav-links {
    display: flex;
  }
}

.nav-links a {
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.35rem 0;
}

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

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* View Mode Segmented Control (Apple / Linear style) */
.view-switcher {
  display: inline-flex;
  align-items: center;
  background: #141414;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px;
  position: relative;
}

.view-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.view-btn.active {
  background: #242424;
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.view-btn:hover:not(.active) {
  color: var(--text-primary);
}

.terminal-trigger-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 5px 9px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.terminal-trigger-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: var(--bg-surface);
}

.kbd-shortcut {
  font-size: 0.65rem;
  padding: 1px 4px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 3px;
  color: var(--text-muted);
}

/* Section Common Styling */
.section-wrapper {
  padding: 6rem 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.section-tag::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--text-muted);
  border-radius: 1px;
}

.section-heading {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-lead {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.6;
  margin-bottom: 3.5rem;
}

/* ==========================================================================
   Section 01: Hero Section
   ========================================================================== */
.hero-section {
  padding: 5.5rem 0 6rem 0;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

/* Subtle background precision grid */
.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, #000 60%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, #000 60%, transparent 100%);
}

.hero-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.35rem 0.85rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 2.25rem;
  backdrop-filter: blur(8px);
}

.live-indicator-dot {
  position: relative;
  width: 7px;
  height: 7px;
  background-color: var(--accent-green);
  border-radius: 50%;
}

.live-indicator-dot::after {
  content: "";
  position: absolute;
  top: -3px;
  left: -3px;
  width: 13px;
  height: 13px;
  background-color: var(--accent-green);
  border-radius: 50%;
  opacity: 0.4;
  animation: pulse-ring 2.2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.6); opacity: 0.8; }
  50% { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.8); opacity: 0; }
}

.hero-name {
  font-size: clamp(0.9rem, 1.8vw, 1.15rem);
  font-family: var(--font-mono);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 0.75rem;
}

.hero-headline {
  font-size: clamp(2.75rem, 7vw, 5.25rem);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: 1.04;
  color: var(--text-primary);
  margin-bottom: 1.75rem;
  max-width: 960px;
}

.hero-headline span.gradient-highlight {
  color: #FAFAFA;
}

.hero-subheadline {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  color: var(--text-secondary);
  line-height: 1.55;
  max-width: 760px;
  margin-bottom: 2.5rem;
  font-weight: 400;
}

/* Philosophy Callout */
.philosophy-callout {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent-blue);
  border-radius: 4px;
  margin-bottom: 3.25rem;
  max-width: fit-content;
}

.philosophy-prefix {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-blue);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.philosophy-quote {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-primary);
}

/* Hero Primary Actions */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 6px;
  cursor: pointer;
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: #FAFAFA;
  color: #0A0A0A;
  border: 1px solid #FAFAFA;
}

.btn-primary:hover {
  background: #E5E5E5;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(250, 250, 250, 0.12);
}

.btn-secondary {
  background: #141414;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: #1B1B1B;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
  transform: translateY(-1px);
}

/* ==========================================================================
   Section 02: Selected Engineering (Bento / Hardware Spec Grid)
   ========================================================================== */
.bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.spec-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  transition: border-color var(--transition-normal), transform var(--transition-normal);
}

.spec-card:hover {
  border-color: var(--border-hover);
}

/* Mouse spotlight overlay on cards */
.spec-card::before {
  content: "";
  position: absolute;
  top: var(--mouse-y, -200px);
  left: var(--mouse-x, -200px);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 65%);
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 300ms ease;
}

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

.card-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.85rem;
}

.card-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.card-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.card-title {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.card-tech-stack {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-blue);
  margin-bottom: 1.5rem;
}

/* Blueprint Architecture Schematic Box */
.card-schematic {
  background: #0D0D0D;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.15rem;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #CCCCCC;
  position: relative;
}

.schematic-tag {
  display: inline-block;
  font-size: 0.65rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
}

.schematic-diagram {
  line-height: 1.45;
  color: #9E9E9E;
  overflow-x: auto;
  white-space: pre;
}

.schematic-diagram .highlight {
  color: var(--text-primary);
  font-weight: 600;
}

.schematic-diagram .accent {
  color: var(--accent-green);
}

.schematic-diagram .cyan {
  color: var(--accent-blue);
}

.card-spec-block {
  margin-bottom: 1.5rem;
}

.spec-row {
  margin-bottom: 0.85rem;
}

.spec-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.spec-body {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
  margin-top: auto;
}

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

.link-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.4rem 0.75rem;
  background: #191919;
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.link-btn:hover {
  background: #242424;
  border-color: var(--border-hover);
  color: #FFFFFF;
}

/* ==========================================================================
   Section 03: Experience & B2B Execution (Timeline)
   ========================================================================== */
.timeline-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
}

.timeline-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.25rem;
  position: relative;
  transition: border-color var(--transition-normal);
}

.timeline-card:hover {
  border-color: var(--border-hover);
}

.timeline-top {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 680px) {
  .timeline-top {
    flex-direction: row;
    justify-content: space-between;
    align-items: baseline;
  }
}

.timeline-title-group {
  display: flex;
  flex-direction: column;
}

.timeline-company {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}

.timeline-role {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-blue);
  margin-top: 0.2rem;
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.timeline-body {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.timeline-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.timeline-highlights li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.25rem;
  line-height: 1.55;
}

.timeline-highlights li::before {
  content: "→";
  font-family: var(--font-mono);
  position: absolute;
  left: 0;
  color: var(--accent-blue);
  font-size: 0.8125rem;
}

/* ==========================================================================
   Section 04: Technical Specification Sheet (Apple-Style Hardware Spec Table)
   ========================================================================== */
.spec-table-container {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-surface);
  overflow: hidden;
}

.spec-table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.15rem 1.75rem;
  background: #141414;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.spec-table-row {
  display: grid;
  grid-template-columns: 1fr;
  padding: 1.75rem;
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast);
}

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

.spec-table-row:hover {
  background: rgba(255, 255, 255, 0.015);
}

@media (min-width: 768px) {
  .spec-table-row {
    grid-template-columns: 240px 1fr;
    gap: 2rem;
  }
}

.spec-category-label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.spec-category-label span.spec-index {
  color: var(--text-muted);
  font-size: 0.72rem;
}

.spec-category-content {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.spec-tokens-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.spec-token {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: #181818;
  border: 1px solid var(--border);
  color: #CCCCCC;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.spec-token:hover {
  border-color: var(--border-hover);
  color: #FAFAFA;
  background: #222222;
}

.spec-token.highlight {
  color: var(--accent-blue);
  border-color: rgba(56, 189, 248, 0.25);
}

.spec-note {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 0.25rem;
}

/* ==========================================================================
   Section 05: Footer / Direct Dispatch
   ========================================================================== */
.footer-dispatch {
  padding: 6rem 0 4rem 0;
  position: relative;
}

.dispatch-cta-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3rem 2.5rem;
  margin-bottom: 4rem;
  position: relative;
  overflow: hidden;
}

.dispatch-cta-box::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.dispatch-statement {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 500;
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  margin-bottom: 2rem;
  line-height: 1.3;
}

.dispatch-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .dispatch-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .dispatch-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.dispatch-link-card {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  background: #141414;
  border: 1px solid var(--border);
  border-radius: 6px;
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
  cursor: pointer;
  position: relative;
}

.dispatch-link-card:hover {
  background: #1A1A1A;
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.dispatch-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.dispatch-value {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-primary);
  word-break: break-all;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.dispatch-value svg {
  flex-shrink: 0;
  opacity: 0.6;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.dispatch-link-card:hover .dispatch-value svg {
  opacity: 1;
  transform: translate(2px, -2px);
}

.footer-bottom-bar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

@media (min-width: 640px) {
  .footer-bottom-bar {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* ==========================================================================
   Full-Screen Raw Terminal View Mode
   ========================================================================== */
#terminal-fullview {
  display: none;
  width: 100%;
  min-height: calc(100vh - 64px);
  background: #080808;
  padding: 2rem 0;
  position: relative;
}

/* CRT scanlines */
#terminal-fullview::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%);
  background-size: 100% 4px;
  pointer-events: none;
  opacity: 0.2;
}

body.mode-terminal #gui-fullview {
  display: none;
}

body.mode-terminal #terminal-fullview {
  display: block;
}

.terminal-window {
  background: #0C0C0C;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.8);
  position: relative;
  z-index: 2;
}

.terminal-titlebar {
  background: #141414;
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #2C2C2C;
}

.terminal-dot.close { background: #FF5F56; cursor: pointer; }
.terminal-dot.min { background: #FFBD2E; }
.terminal-dot.max { background: #27C93F; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  min-height: 480px;
  line-height: 1.6;
}

.term-output {
  white-space: pre-wrap;
  word-break: break-word;
  color: #CCCCCC;
}

.term-line {
  margin-bottom: 0.4rem;
}

.term-prompt-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.term-prompt {
  color: var(--accent-green);
  font-weight: 600;
  user-select: none;
}

.term-input {
  background: transparent;
  border: none;
  outline: none;
  color: #FAFAFA;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  flex: 1;
}

/* ==========================================================================
   Easter Egg: Modal Terminal Dialog
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay.open {
  display: flex;
}

.modal-terminal-card {
  width: 100%;
  max-width: 800px;
  height: 520px;
  background: #0C0C0C;
  border: 1px solid var(--border-hover);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0,0,0,0.9), 0 0 0 1px rgba(255,255,255,0.08);
  animation: modal-enter 0.2s var(--ease-out-expo);
}

@keyframes modal-enter {
  from {
    opacity: 0;
    transform: scale(0.97) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
}

.modal-close-btn:hover {
  color: var(--text-primary);
  background: #222222;
}

/* ==========================================================================
   Toast Notification (Linear / Apple style)
   ========================================================================== */
#toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.15rem;
  background: #181818;
  border: 1px solid var(--border-hover);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-primary);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
  animation: toast-in 0.25s var(--ease-out-expo);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast.toast-exit {
  opacity: 0;
  transform: translateY(6px);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.toast-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
}

/* Print styles */
@media print {
  .site-nav, .view-switcher, .terminal-trigger-btn, .modal-overlay, #toast-container {
    display: none !important;
  }
  body {
    background: #FFF;
    color: #000;
  }
  .spec-card, .timeline-card, .spec-table-container {
    border: 1px solid #CCC;
    background: #FFF;
  }
}


/* ==========================================================================
   BLOG & ESSAYS STYLING (Steve Jobs / Linear / Editorial Precision)
   ========================================================================== */

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.breadcrumb-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.breadcrumb-sep {
  color: var(--text-subtle);
}

/* Blog Article Cards */
.blog-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.blog-card {
  display: block;
  text-decoration: none;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.25rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-fast), transform var(--transition-fast), background var(--transition-fast);
}

.blog-card:hover {
  border-color: var(--border-hover);
  background: #141414;
  transform: translateY(-2px);
}

.blog-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.blog-tag {
  color: var(--accent-blue);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.blog-date {
  color: var(--text-muted);
}

.blog-read-time {
  color: var(--text-muted);
}

.blog-card-title {
  font-size: clamp(1.25rem, 2.5vw, 1.6rem);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.blog-card-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 760px;
  margin-bottom: 1.25rem;
}

.blog-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-green);
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-card-cta {
  color: var(--text-primary);
}

/* Single Article Reader View */
.article-wrapper {
  max-width: 760px;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem 1.5rem;
}

.article-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 2.5rem;
  margin-bottom: 3rem;
}

.article-title {
  font-size: clamp(2.2rem, 5vw, 3.25rem);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.article-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.35rem);
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.45;
  margin-bottom: 1.75rem;
}

.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Article Prose Typography (Preserving 100% written content while upgrading aesthetics) */
.article-prose {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: #D6D6D6;
}

.article-prose p {
  margin-bottom: 1.6rem;
  color: #D6D6D6;
}

.article-prose h2 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  margin-top: 3rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.article-prose h3 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  margin-top: 2.75rem;
  margin-bottom: 0.85rem;
}

.article-prose ul, .article-prose ol {
  margin-left: 0;
  padding-left: 0;
  list-style: none;
  margin-bottom: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.article-prose li {
  position: relative;
  padding-left: 1.5rem;
  color: #C0C0C0;
  line-height: 1.6;
}

.article-prose li::before {
  content: "→";
  font-family: var(--font-mono);
  color: var(--accent-blue);
  position: absolute;
  left: 0;
  top: 0;
  font-size: 0.85rem;
}

.article-prose strong {
  color: var(--text-primary);
  font-weight: 600;
}

.article-prose a {
  color: var(--accent-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 189, 248, 0.3);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.article-prose a:hover {
  color: #FFFFFF;
  border-bottom-color: #FFFFFF;
}

.article-prose blockquote, .article-prose .quote {
  margin: 2.25rem 0;
  padding: 1.25rem 1.75rem;
  background: var(--bg-surface);
  border-left: 3px solid var(--accent-blue);
  border-radius: 0 6px 6px 0;
  font-style: italic;
  color: #E2E2E2;
}

.article-prose blockquote p:last-child, .article-prose .quote p:last-child {
  margin-bottom: 0;
}

/* Article Author Footer Card */
.article-author-card {
  margin-top: 4rem;
  padding: 2.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 600px) {
  .article-author-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.author-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.author-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.author-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.author-bio {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 0.4rem;
  max-width: 480px;
}

.article-nav-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.article-nav-footer a {
  color: var(--text-secondary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--transition-fast);
}

.article-nav-footer a:hover {
  color: var(--text-primary);
}


/* ==========================================================================
   MOBILE & VIEWPORT RESPONSIVENESS ENHANCEMENTS (320px - 860px)
   ========================================================================== */

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  cursor: pointer;
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.mobile-menu-toggle:hover {
  border-color: var(--border-hover);
  background: #1C1C1C;
}

@media (min-width: 860px) {
  .mobile-menu-toggle {
    display: none !important;
  }
}

/* Mobile Dropdown Navigation Drawer */
.mobile-nav-drawer {
  display: none;
  background: rgba(12, 12, 12, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  z-index: 49;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

.mobile-nav-drawer.open {
  display: block;
  animation: fadeUp 0.25s var(--ease-out-expo) forwards;
}

@media (min-width: 860px) {
  .mobile-nav-drawer {
    display: none !important;
  }
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
}

.mobile-nav-link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.25rem;
  border-bottom: 1px solid var(--border-subtle);
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--text-primary);
}

.mobile-nav-link.accent {
  color: var(--accent-blue);
  font-weight: 600;
  border-bottom: none;
  padding-top: 0.75rem;
}

/* Ultra-compact screens (320px - 400px) */
@media (max-width: 400px) {
  .container {
    padding: 0 1rem;
  }
  .brand-name {
    font-size: 0.8125rem;
  }
  .brand-role {
    display: none;
  }
  .view-switcher .view-btn {
    padding: 3px 6px;
    font-size: 0.65rem;
  }
  .terminal-trigger-btn {
    padding: 4px 6px;
  }
  .terminal-trigger-btn .kbd-shortcut {
    display: none;
  }
  .hero-heading {
    font-size: clamp(2rem, 9vw, 2.75rem);
  }
  .section-heading {
    font-size: clamp(1.75rem, 8vw, 2.25rem);
  }
  .article-title {
    font-size: clamp(1.85rem, 8vw, 2.5rem);
  }
}

/* Responsive Code Blocks, Tables & Media for Blog Articles */
.article-prose pre {
  background: #0C0C0C;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.5;
  margin: 1.5rem 0;
}

.article-prose code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  word-break: break-word;
}

.article-prose pre code {
  background: transparent;
  padding: 0;
  border-radius: 0;
  word-break: normal;
  white-space: pre;
}

.article-prose table {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  display: block;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.article-prose img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}


/* Offscreen layout containment for mobile GPU optimization */
.content-auto {
  content-visibility: auto;
  contain-intrinsic-size: 1px 600px;
}