@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* --- Reset & Base --- */
:root {
  /* literal tokens */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  --clr-white: #ffffff;
  --clr-black: #09090b;
  
  /* Accent: Linear-inspired Indigo/Violet */
  --accent-light: hsl(250, 89%, 60%);
  --accent-dark: hsl(250, 95%, 68%);
  
  /* Fallbacks for browsers without light-dark() support */
  --bg-primary: var(--clr-white);
  --bg-surface: #f4f4f5;
  --bg-card: #fafafa;
  --text-primary: var(--clr-black);
  --text-secondary: #52525b;
  --border-color: #e4e4e7;
  --accent-color: var(--accent-light);
  --accent-soft: hsla(250, 89%, 60%, 0.08);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --bg-grid: rgba(9, 9, 11, 0.1);

  color-scheme: light dark;
}

/* Media query fallback for older browsers */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: var(--clr-black);
    --bg-surface: #18181b;
    --bg-card: #121214;
    --text-primary: #f4f4f5;
    --text-secondary: #a1a1aa;
    --border-color: #27272a;
    --accent-color: var(--accent-dark);
    --accent-soft: hsla(250, 95%, 68%, 0.12);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --bg-grid: rgba(244, 244, 245, 0.08);
  }
}

/* Standard light-dark() overrides for modern engines */
@supports (color: light-dark(white, black)) {
  :root {
    --bg-primary: light-dark(var(--clr-white), var(--clr-black));
    --bg-surface: light-dark(#f4f4f5, #18181b);
    --bg-card: light-dark(#fafafa, #121214);
    --text-primary: light-dark(var(--clr-black), #f4f4f5);
    --text-secondary: light-dark(#52525b, #a1a1aa);
    --border-color: light-dark(#e4e4e7, #27272a);
    --accent-color: light-dark(var(--accent-light), var(--accent-dark));
    --accent-soft: light-dark(hsla(250, 89%, 60%, 0.06), hsla(250, 95%, 68%, 0.12));
    --shadow-sm: light-dark(0 1px 2px 0 rgba(0, 0, 0, 0.05), 0 1px 2px 0 rgba(0, 0, 0, 0.5));
    --shadow-md: light-dark(0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 4px 6px -1px rgba(0, 0, 0, 0.3));
    --bg-grid: light-dark(rgba(9, 9, 11, 0.1), rgba(244, 244, 245, 0.08));
  }
}

/* Apply light/dark classes if explicit toggle overrides preference */
html.light {
  --bg-primary: var(--clr-white);
  --bg-surface: #f4f4f5;
  --bg-card: #fafafa;
  --text-primary: var(--clr-black);
  --text-secondary: #52525b;
  --border-color: #e4e4e7;
  --accent-color: var(--accent-light);
  --accent-soft: hsla(250, 89%, 60%, 0.06);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --bg-grid: rgba(9, 9, 11, 0.1);
  color-scheme: light;
}

html.dark {
  --bg-primary: var(--clr-black);
  --bg-surface: #18181b;
  --bg-card: #121214;
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --border-color: #27272a;
  --accent-color: var(--accent-dark);
  --accent-soft: hsla(250, 95%, 68%, 0.12);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --bg-grid: rgba(244, 244, 245, 0.08);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  accent-color: var(--accent-color);
  background-color: var(--bg-primary);
}

body {
  font-family: var(--font-sans);
  background-color: transparent;
  color: var(--text-primary);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
  padding-bottom: 2rem;
}

body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(var(--bg-grid) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
  mask-image: linear-gradient(to bottom, black 150px, transparent 800px);
  -webkit-mask-image: linear-gradient(to bottom, black 150px, transparent 800px);
  z-index: -1;
  pointer-events: none;
}



/* Container */
.container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Navigation & Header --- */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(9, 9, 11, 0.01);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

header .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

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

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 2rem;
  height: 2rem;
  border-radius: 0.375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

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

.theme-toggle-btn svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: currentColor;
}

/* Hide default themes in layouts depending on the active scheme */
html.dark .sun-icon { display: block; }
html.dark .moon-icon { display: none; }
html.light .sun-icon { display: none; }
html.light .moon-icon { display: block; }

/* If no override class, default to prefers-color-scheme styling */
@media (prefers-color-scheme: dark) {
  html:not(.light) .sun-icon { display: block; }
  html:not(.light) .moon-icon { display: none; }
}
@media (prefers-color-scheme: light) {
  html:not(.dark) .sun-icon { display: none; }
  html:not(.dark) .moon-icon { display: block; }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.menu-toggle-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 1.25rem;
  height: 0.875rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 110;
}

.menu-line {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 9999px;
  transition: transform 0.2s ease, opacity 0.2s ease;
  transform-origin: center;
}

@media (max-width: 768px) {
  .menu-toggle-btn {
    display: flex;
  }
  
  /* Hamburger micro-animations */
  .menu-toggle-btn.active .menu-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }
  
  .menu-toggle-btn.active .menu-line:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle-btn.active .menu-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }
  
  nav {
    position: absolute;
    top: 4rem;
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    pointer-events: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 99;
  }
  
  nav.active {
    pointer-events: auto;
    opacity: 1;
    transform: translateY(0);
  }
  
  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    width: 100%;
  }
  
  .nav-links li {
    width: 100%;
  }
  
  .nav-links a {
    display: block;
    width: 100%;
    font-size: 1rem;
    padding: 0.25rem 0;
  }
}

/* --- Hero Section --- */
.hero {
  padding: 6rem 0 4rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-heading {
  font-size: clamp(2.25rem, 1.8rem + 2vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  text-wrap: balance;
}

.hero-intro {
  font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.25rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 2rem;
  text-wrap: pretty;
}

.hero-ctas {
  display: flex;
  gap: 0.875rem;
  flex-wrap: wrap;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  min-height: 2.625rem;
  white-space: nowrap;
  user-select: none;
}

.btn-icon {
  width: 1.05rem;
  height: 1.05rem;
  flex-shrink: 0;
  transition: transform 0.18s ease;
}

.btn:hover .btn-icon {
  transform: translateY(1px);
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border: 1px solid var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--clr-white);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background-color: var(--bg-card);
  border-color: var(--text-primary);
  transform: translateY(-1px);
}

@media (max-width: 640px) {
  .hero-ctas {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    width: 100%;
  }

  .hero-ctas .btn-primary {
    grid-column: 1 / -1;
    min-height: 2.875rem;
    font-size: 0.9375rem;
    font-weight: 600;
  }

  .hero-ctas .btn-secondary {
    min-height: 2.75rem;
    font-size: 0.875rem;
  }

  .hero-ctas .btn {
    width: 100%;
  }
}

@media (max-width: 360px) {
  .hero-ctas {
    grid-template-columns: 1fr;
  }
}

/* --- Shared Typography --- */
.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 1.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--border-color);
}

.section {
  padding: 4rem 0;
}

/* --- Projects Section --- */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

.project-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.project-card:hover {
  border-color: var(--accent-color);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.project-name {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.project-links {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.project-link-icon {
  color: var(--text-secondary);
  transition: color 0.15s ease;
  display: inline-flex;
}

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

.project-link-icon svg {
  width: 1.125rem;
  height: 1.125rem;
  fill: currentColor;
}

.project-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.5;
  flex-grow: 1;
}

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

.badge {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.2rem 0.5rem;
  background-color: var(--bg-surface);
  color: var(--text-secondary);
  border-radius: 0.25rem;
  border: 1px solid var(--border-color);
}

/* --- Open Source Section --- */
.os-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

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

.os-card {
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 1.25rem;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.os-card:hover {
  border-color: var(--text-primary);
  background-color: var(--bg-card);
}

.os-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.os-name {
  font-size: 1rem;
  font-weight: 600;
  font-family: monospace;
  color: var(--text-primary);
}

.os-stars {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.os-stars svg {
  width: 0.85rem;
  height: 0.85rem;
  fill: currentColor;
}

.os-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.os-links {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  font-weight: 500;
}

.os-links a {
  color: var(--accent-color);
  text-decoration: none;
}

.os-links a:hover {
  text-decoration: underline;
}

/* --- Writing Section --- */
.writing-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.blog-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
  text-decoration: none;
  transition: border-color 0.15s ease;
}

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

@media (min-width: 640px) {
  .blog-card {
    flex-direction: row;
    align-items: center;
  }
}

.blog-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  transition: color 0.15s ease;
}

.blog-card:hover .blog-title {
  color: var(--accent-color);
}

.blog-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* --- About Section --- */
.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .about-content {
    grid-template-columns: 1.5fr 1fr;
  }
}

.about-text p {
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.about-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.profile-photo-container {
  width: 170px;
  height: 170px;
  border-radius: 50%;
  border: 4px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-caption {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.4;
  max-width: 220px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.45rem 0.75rem;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-sm);
}

.profile-caption small {
  display: block;
  font-size: 0.725rem;
  color: var(--text-secondary);
  opacity: 0.85;
  margin-top: 0.15rem;
}

.timeline {
  list-style: none;
  position: relative;
  padding-left: 1.5rem;
  margin-top: 1.5rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 1.5rem;
}

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

.timeline-dot {
  position: absolute;
  left: -23px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--accent-color);
}

.timeline-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.timeline-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* --- Tech Stack Section --- */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.tech-pill {
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  transition: all 0.15s ease;
}

.tech-pill:hover {
  background-color: var(--bg-primary);
  border-color: var(--accent-color);
  transform: translateY(-1px);
}

/* --- Contact Section --- */
.contact-banner {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.contact-text {
  font-size: clamp(1.15rem, 1rem + 1vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .contact-banner {
    padding: 2rem 1.25rem;
  }

  .contact-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    width: 100%;
  }

  .contact-links .btn {
    width: 100%;
    min-height: 2.75rem;
  }
}

@media (max-width: 360px) {
  .contact-links {
    grid-template-columns: 1fr;
  }
}

/* --- Footer --- */
footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 0;
  margin-top: 4rem;
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

@media (min-width: 640px) {
  .footer-container {
    flex-direction: row;
  }
}

.footer-brand {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-year {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.footer-dot {
  opacity: 0.4;
  user-select: none;
}

.footer-built {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.footer-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s ease;
}

.footer-link:hover {
  color: var(--accent-color);
  text-decoration: underline;
}

.footer-socials {
  display: flex;
  gap: 1.25rem;
}

.footer-socials a {
  color: var(--text-secondary);
  transition: color 0.15s ease;
  display: inline-flex;
}

.footer-socials a:hover {
  color: var(--accent-color);
}

.footer-socials svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: currentColor;
}

/* ==========================================================================
   404 Interactive Page Styles
   ========================================================================== */
.not-found-page {
  padding: 3rem 1.5rem 5rem;
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.nf-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 680px;
  width: 100%;
}

.nf-badge-wrapper {
  margin-bottom: 1.25rem;
}

.nf-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  background-color: var(--accent-soft);
  border: 1px solid var(--accent-color);
  color: var(--accent-color);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nf-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-color);
  box-shadow: 0 0 8px var(--accent-color);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
}

/* Glitch typography */
.nf-code-wrapper {
  position: relative;
  margin-bottom: 1rem;
  user-select: none;
}

.nf-glitch {
  font-size: clamp(5rem, 16vw, 9rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  display: inline-block;
}

.nf-sub-glitch {
  font-size: 0.85rem;
  letter-spacing: 0.35em;
  font-weight: 700;
  color: var(--text-secondary);
  margin-top: 0.5rem;
  text-transform: uppercase;
}

.nf-title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.nf-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.75rem;
  max-width: 540px;
}

.nf-inline-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.15rem 0.4rem;
  border-radius: 0.25rem;
  color: var(--accent-color);
}

/* Excuse card */
.nf-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  box-shadow: var(--shadow-sm);
  width: 100%;
  text-align: left;
}

.nf-excuse-card {
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.nf-excuse-card:hover {
  border-color: var(--accent-color);
}

.nf-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.nf-card-tag {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.btn-icon-text {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.6rem;
  border-radius: 0.375rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.15s ease;
}

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

.btn-icon-text.spinning svg {
  animation: spin 0.5s ease;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}

.nf-excuse-text {
  font-size: 1rem;
  color: var(--text-primary);
  font-style: italic;
  line-height: 1.5;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

/* Action Buttons */
.nf-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
}

.nf-actions .btn {
  gap: 0.5rem;
}

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

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

.btn-game-icon {
  font-size: 1.1rem;
  display: inline-block;
  animation: float-icon 2s infinite ease-in-out;
}

@keyframes float-icon {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

/* ==========================================================================
   404 Bug Squasher Mini-Game
   ========================================================================== */
.nf-game-section {
  width: 100%;
  margin-top: 3rem;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.nf-game-card {
  padding: 1.5rem;
  overflow: hidden;
}

.nf-game-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.nf-game-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.nf-game-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.nf-game-stats {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.stat-pill {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.75rem;
  border-radius: 0.375rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 60px;
}

.stat-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--text-secondary);
}

.stat-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: ui-monospace, SFMono-Regular, monospace;
}

.btn-sound-toggle {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  padding: 0.5rem 0.6rem;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.15s ease;
}

.btn-sound-toggle:hover {
  background: var(--bg-primary);
  border-color: var(--text-primary);
}

.btn-sound-toggle.muted {
  opacity: 0.5;
}

.nf-game-board {
  position: relative;
  width: 100%;
  height: 320px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  overflow: hidden;
  cursor: crosshair;
  background-image: 
    linear-gradient(to right, var(--bg-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--bg-grid) 1px, transparent 1px);
  background-size: 20px 20px;
}

.game-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(9, 9, 11, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  color: #fff;
  padding: 1.5rem;
}

.game-overlay-content {
  text-align: center;
  max-width: 380px;
}

.overlay-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.game-overlay-content h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #fff;
}

.game-overlay-content p {
  font-size: 0.9rem;
  color: #d4d4d8;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.game-entity {
  position: absolute;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  user-select: none;
  outline: none;
  transition: transform 0.1s ease;
  z-index: 2;
  font-size: 2.2rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.game-entity:hover {
  transform: scale(1.15);
}

.game-entity.squashed {
  transform: scale(0) rotate(180deg);
  opacity: 0;
  transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.game-entity.escaped {
  opacity: 0;
  transform: scale(0.5);
  transition: all 0.25s ease;
}

.score-pop {
  position: absolute;
  font-weight: 800;
  font-size: 1.1rem;
  color: #10b981;
  pointer-events: none;
  animation: floatUp 0.7s forwards ease-out;
  z-index: 5;
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

@keyframes floatUp {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(-30px); opacity: 0; }
}

.nf-game-footer {
  margin-top: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   404 Interactive Terminal Styles
   ========================================================================== */
.nf-terminal-section {
  width: 100%;
  margin-top: 3rem;
}

.nf-terminal-card {
  background-color: #0f172a;
  color: #e2e8f0;
  border-radius: 0.75rem;
  border: 1px solid #334155;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  text-align: left;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.nf-terminal-header {
  background-color: #1e293b;
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid #334155;
}

.term-dots {
  display: flex;
  gap: 0.35rem;
}

.term-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

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

.term-title {
  font-size: 0.75rem;
  color: #94a3b8;
  letter-spacing: 0.02em;
}

.term-body {
  padding: 1.25rem 1.25rem 0.5rem;
  font-size: 0.875rem;
  line-height: 1.6;
  max-height: 240px;
  overflow-y: auto;
}

.term-line {
  margin-bottom: 0.35rem;
  word-break: break-word;
}

.term-prompt {
  color: #38bdf8;
  font-weight: 600;
}

.term-cmd {
  color: #f1f5f9;
}

.term-warn { color: #fbbf24; }
.term-dim { color: #64748b; font-size: 0.825rem; }
.term-info { color: #cbd5e1; margin-top: 0.5rem; }
.term-green { color: #4ade80; }
.term-danger { color: #f87171; }
.term-cyan { color: #22d3ee; }
.term-link { color: #38bdf8; text-decoration: underline; }

.term-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.5rem 1.25rem;
  background-color: rgba(15, 23, 42, 0.7);
  border-top: 1px dashed #334155;
}

.term-chip {
  background-color: #1e293b;
  border: 1px solid #475569;
  color: #93c5fd;
  font-family: inherit;
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 0.25rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.term-chip:hover {
  background-color: #334155;
  color: #ffffff;
  border-color: #60a5fa;
}

.term-input-row {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.25rem 1rem;
  gap: 0.5rem;
  border-top: 1px solid #334155;
}

.term-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #f8fafc;
  font-family: inherit;
  font-size: 0.875rem;
}

.term-input::placeholder {
  color: #475569;
}

/* Matrix Mode Easter Egg & Emoji Rain */
.matrix-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity 0.4s ease;
}

body.matrix-mode .matrix-canvas {
  opacity: 0.85;
}

body.matrix-mode {
  --text-primary: #22c55e !important;
  --accent-color: #16a34a !important;
  --bg-primary: #051408 !important;
  --bg-card: rgba(10, 31, 15, 0.85) !important;
  --bg-surface: #0d2814 !important;
  --border-color: #14532d !important;
  --text-secondary: #86efac !important;
  color-scheme: dark;
}

/* Floating Blue Pill Button (Matrix Exit) */
.matrix-pill-overlay {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(50px);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

body.matrix-mode .matrix-pill-overlay {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.btn-blue-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, rgba(14, 116, 144, 0.9), rgba(2, 132, 199, 0.95));
  color: #ffffff;
  border: 2px solid #38bdf8;
  border-radius: 9999px;
  box-shadow: 
    0 0 25px rgba(56, 189, 248, 0.5),
    0 10px 20px -5px rgba(0, 0, 0, 0.5),
    inset 0 0 12px rgba(255, 255, 255, 0.2);
  cursor: pointer;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  animation: float-blue-pill 3s infinite ease-in-out;
  text-align: left;
}

.btn-blue-pill:hover {
  transform: scale(1.06);
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.95), rgba(56, 189, 248, 0.95));
  box-shadow: 
    0 0 35px rgba(56, 189, 248, 0.8),
    0 12px 24px -4px rgba(0, 0, 0, 0.6),
    inset 0 0 15px rgba(255, 255, 255, 0.4);
}

.btn-blue-pill:active {
  transform: scale(0.96);
}

.pill-icon {
  font-size: 1.5rem;
  display: inline-block;
  filter: drop-shadow(0 0 6px #38bdf8);
}

.pill-content {
  display: flex;
  flex-direction: column;
}

.pill-title {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.pill-subtitle {
  font-size: 0.725rem;
  color: #bae6fd;
  font-weight: 500;
}

@keyframes float-blue-pill {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}