/* ======================================================================
   CET138 Full Stack Development ePortfolio - PREMIUM REBRANDED STYLES
   Custom palette: #00F7FF (Cyan) · #B0FFFA (Aqua) · #FF0087 (Magenta) · #FF7DB0 (Pink)
   ====================================================================== */

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

:root {
  /* Branding Colors */
  --brand-cyan: #00f7ff;
  --brand-aqua: #b0fffa;
  --brand-magenta: #ff0087;
  --brand-pink: #ff7db0;
  
  /* HSL Component values for overlays & glows */
  --brand-cyan-hsl: 184, 100%, 50%;
  --brand-aqua-hsl: 175, 100%, 84%;
  --brand-magenta-hsl: 328, 100%, 50%;
  --brand-pink-hsl: 337, 100%, 74%;

  /* Neutral Colors */
  --colour-ink: #0a0e17;
  --colour-ink-soft: #1e293b;
  --colour-text-muted: #64748b;
  --colour-surface: #ffffff;
  --colour-surface-soft: #f8fafc;
  --colour-surface-tint: #f1f5f9;
  --colour-surface-dark: #0f172a;
  --colour-border: #e2e8f0;
  --colour-border-strong: #cbd5e1;
  --colour-danger: #ef4444;
  --colour-success: #10b981;
  --colour-warning: #f59e0b;

  /* Gradients */
  --brand-gradient: linear-gradient(135deg, var(--brand-cyan) 0%, var(--brand-magenta) 100%);
  --brand-gradient-soft: linear-gradient(135deg, rgba(0, 247, 255, 0.1) 0%, rgba(255, 0, 135, 0.08) 100%);
  --brand-gradient-glow: radial-gradient(circle, rgba(0, 247, 255, 0.15) 0%, rgba(255, 0, 135, 0.1) 100%);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', 'Inter', ui-sans-serif, -apple-system, sans-serif;
  --font-body: 'Inter', ui-sans-serif, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;

  /* Spacing & Radii */
  --radius-sm: 0.5rem;
  --radius-md: 0.85rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.75rem;
  --radius-2xl: 2.5rem;

  /* Premium Shadows */
  --shadow-sm: 0 4px 6px -1px rgba(10, 14, 23, 0.05), 0 2px 4px -2px rgba(10, 14, 23, 0.05);
  --shadow-md: 0 10px 15px -3px rgba(10, 14, 23, 0.07), 0 4px 6px -4px rgba(10, 14, 23, 0.07);
  --shadow-lg: 0 20px 25px -5px rgba(10, 14, 23, 0.1), 0 8px 10px -6px rgba(10, 14, 23, 0.1);
  --shadow-glow-cyan: 0 0 20px rgba(0, 247, 255, 0.3);
  --shadow-glow-magenta: 0 0 20px rgba(255, 0, 135, 0.25);

  --content-width: 80rem;
  --header-height: 4.75rem;
  --section-space: clamp(4.5rem, 8vw, 8rem);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;
  
  --header-bg: rgba(255, 255, 255, 0.8);
  --header-border: rgba(226, 232, 240, 0.7);
  --hero-dots: radial-gradient(rgba(10, 14, 23, 0.075) 1.5px, transparent 1.5px);
  --hero-gradient: linear-gradient(to bottom, rgba(255, 255, 255, 0.4) 0%, var(--colour-surface) 100%);
  
  --colour-lavender: #b69bc9;
  --colour-baby-pink: #f4c2d7;
  --colour-lavender-glow: rgba(182, 155, 201, 0.4);
  --colour-baby-pink-glow: rgba(244, 194, 215, 0.4);
}

[data-theme="dark"] {
  --colour-ink: #f8fafc;
  --colour-ink-soft: #cbd5e1;
  --colour-text-muted: #94a3b8;
  --colour-surface: #0a0e17;
  --colour-surface-soft: #0f172a;
  --colour-surface-tint: #1e293b;
  --colour-border: #1e293b;
  --colour-border-strong: #334155;
  --header-bg: rgba(10, 14, 23, 0.85);
  --header-border: rgba(255, 255, 255, 0.1);
  --hero-dots: radial-gradient(rgba(255, 255, 255, 0.06) 1.5px, transparent 1.5px);
  --hero-gradient: linear-gradient(to bottom, rgba(15, 23, 42, 0.4) 0%, var(--colour-surface) 100%);
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -4px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.7), 0 8px 10px -6px rgba(0, 0, 0, 0.7);
  
  --colour-lavender: #d2c1e2;
  --colour-baby-pink: #f9dbe7;
  --colour-lavender-glow: rgba(210, 193, 226, 0.4);
  --colour-baby-pink-glow: rgba(249, 219, 231, 0.4);
}

/* ======================================================================
   LOADING SCREEN
   ====================================================================== */

#loading-screen {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--colour-ink);
  overflow: hidden;
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              visibility 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

#loading-screen.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Background animated orbs */
.loader-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  mix-blend-mode: screen;
}

.loader-orb-cyan {
  top: -10%;
  right: -10%;
  width: min(55rem, 80vw);
  aspect-ratio: 1;
  background: radial-gradient(circle, var(--brand-cyan) 0%, transparent 70%);
  animation: loader-orb-a 8s infinite ease-in-out;
}

.loader-orb-pink {
  bottom: -10%;
  left: -10%;
  width: min(45rem, 70vw);
  aspect-ratio: 1;
  background: radial-gradient(circle, var(--brand-magenta) 0%, transparent 70%);
  animation: loader-orb-b 6s infinite ease-in-out;
}

@keyframes loader-orb-a {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-5%, 5%) scale(1.1); }
}

@keyframes loader-orb-b {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(5%, -5%) scale(1.15); }
}

/* Loading screen inner content */
.loader-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem;
  max-width: 38rem;
  width: 100%;
}

/* Animated brand mark */
.loader-brand {
  margin-bottom: 1.5rem;
}

.loader-mark {
  display: grid;
  width: 4rem;
  aspect-ratio: 1;
  place-items: center;
  border: 2.5px solid rgba(255,255,255,0.25);
  border-radius: 1rem;
  background: var(--brand-cyan);
  color: var(--colour-ink);
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: -0.05em;
  box-shadow: 0 0 40px rgba(0, 247, 255, 0.5), 4px 4px 0 rgba(255,125,176,0.5);
  animation: loader-mark-pulse 2s infinite ease-in-out;
}

@keyframes loader-mark-pulse {
  0%, 100% { transform: scale(1) rotate(0deg); box-shadow: 0 0 30px rgba(0,247,255,0.4), 4px 4px 0 rgba(255,125,176,0.4); }
  50% { transform: scale(1.07) rotate(-3deg); box-shadow: 0 0 60px rgba(0,247,255,0.7), 4px 4px 0 rgba(255,125,176,0.7); }
}

/* Heading */
.loader-title {
  margin: 0 0 0.5rem;
  color: #fff;
  font-family: var(--font-sans);
  font-size: clamp(2rem, 7vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.loader-gradient {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.loader-sub {
  margin: 0 0 2rem;
  color: rgba(255,255,255,0.5);
  font-size: 0.925rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* Progress bar */
.loader-bar-wrap {
  width: 100%;
  height: 0.35rem;
  border-radius: 99px;
  background: rgba(255,255,255,0.1);
  overflow: hidden;
  margin-bottom: 0.9rem;
}

.loader-bar {
  height: 100%;
  width: 0%;
  border-radius: 99px;
  background: var(--brand-gradient);
  box-shadow: 0 0 12px rgba(0,247,255,0.6);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Status text */
.loader-status {
  margin: 0 0 1.75rem;
  color: rgba(255,255,255,0.4);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Music visualiser bars */
.loader-music {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.music-dot {
  display: block;
  width: 0.22rem;
  background: var(--brand-cyan);
  border-radius: 99px;
  animation: music-bar 1.2s ease-in-out infinite;
}

.music-dot:nth-child(1) { height: 0.5rem;  animation-delay: 0s; }
.music-dot:nth-child(2) { height: 1.1rem;  animation-delay: 0.15s; }
.music-dot:nth-child(3) { height: 1.75rem; animation-delay: 0.3s; }
.music-dot:nth-child(4) { height: 1.1rem;  animation-delay: 0.45s; }
.music-dot:nth-child(5) { height: 0.5rem;  animation-delay: 0.6s; }

@keyframes music-bar {
  0%, 100% { transform: scaleY(1); opacity: 0.7; }
  50% { transform: scaleY(2.2); opacity: 1; }
}

.music-label {
  margin-left: 0.6rem;
  color: rgba(255,255,255,0.4);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Prevent scroll while loading */
body.is-loading {
  overflow: hidden;
}

/* Base Styles & Scrollbars */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1.5rem);
}

body {
  min-width: 20rem;
  margin: 0;
  overflow-x: hidden;
  color: var(--colour-ink);
  background: var(--colour-surface);
  font-family: var(--font-body);
  font-size: 0.975rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar styling */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--colour-surface-soft);
}

::-webkit-scrollbar-thumb {
  background: var(--colour-border-strong);
  border: 2px solid var(--colour-surface-soft);
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--colour-text-muted);
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
  cursor: pointer;
}

/* Accessibility Focus Indicator */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--brand-magenta);
  outline-offset: 4px;
}

a {
  color: #005c62;
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1.5px;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--brand-magenta);
}

p:last-child {
  margin-bottom: 0;
}

/* Typography Hierarchy */
h1,
h2,
h3,
h4,
.site-footer strong,
.navbar-brand strong {
  font-family: var(--font-sans);
  color: var(--colour-ink);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.5rem, 6.5vw, 5.5rem);
}

h2 {
  font-size: clamp(2rem, 4.5vw, 3.75rem);
}

h3 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
}

h4 {
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

code {
  color: #aa005d;
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 0.15em 0.3em;
  background: var(--colour-surface-soft);
  border: 1px solid var(--colour-border);
  border-radius: 0.25rem;
}

.container-xl {
  max-width: var(--content-width);
}

.visually-hidden:not(:focus):not(:active) {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Accessibility skip link */
.skip-link {
  position: fixed;
  z-index: 2100;
  top: 1rem;
  left: 1rem;
  transform: translateY(-200%);
  padding: 0.75rem 1.25rem;
  border: 2px solid var(--colour-ink);
  border-radius: var(--radius-sm);
  color: var(--colour-ink);
  background: var(--brand-cyan);
  box-shadow: 4px 4px 0 var(--colour-ink);
  font-weight: 800;
  text-decoration: none;
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

/* Fixed top scroll indicator */
.scroll-progress {
  position: fixed;
  z-index: 2000;
  top: 0;
  right: 0;
  left: 0;
  height: 0.25rem;
  background: transparent;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--brand-gradient);
  transition: width 100ms linear;
}

/* Glassmorphic Header Navigation */
.site-header {
  z-index: 1500;
  border-bottom: 1px solid var(--header-border);
  background: var(--header-bg);
  box-shadow: 0 4px 20px -5px rgba(10, 14, 23, 0.05);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.site-header .navbar {
  min-height: var(--header-height);
  padding-block: 0.5rem;
}

.brand-lockup {
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
  color: var(--colour-ink);
  text-decoration: none;
}

.brand-lockup:hover {
  color: var(--colour-ink);
}

.brand-mark {
  display: grid;
  width: 2.5rem;
  aspect-ratio: 1;
  place-items: center;
  border: 2px solid var(--colour-ink);
  border-radius: 0.65rem;
  background: var(--brand-cyan);
  box-shadow: 3px 3px 0 var(--brand-pink);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 900;
  letter-spacing: -0.05em;
  transition: var(--transition);
}

.brand-lockup:hover .brand-mark {
  transform: rotate(-5deg) scale(1.05);
  box-shadow: 4px 4px 0 var(--brand-magenta);
}

.brand-lockup strong {
  font-size: 1.1rem;
}

.brand-lockup small {
  display: block;
  margin-top: 0.15rem;
  color: var(--colour-text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.site-header .nav-link {
  position: relative;
  margin-inline: 0.2rem;
  padding: 0.5rem 0.85rem !important;
  color: var(--colour-ink-soft);
  font-family: var(--font-sans);
  font-size: 0.925rem;
  font-weight: 700;
  transition: var(--transition-fast);
}

.site-header .nav-link::after {
  position: absolute;
  right: 0.85rem;
  bottom: 0.2rem;
  left: 0.85rem;
  height: 3px;
  transform: scaleX(0);
  transform-origin: left;
  border-radius: 99px;
  background: var(--brand-gradient);
  content: "";
  transition: transform var(--transition);
}

.site-header .nav-link:hover {
  color: var(--colour-ink);
}

.site-header .nav-link:hover::after,
.site-header .nav-link.active::after {
  transform: scaleX(1);
}

.site-header .nav-link.active {
  color: var(--colour-ink);
}

.nav-cta {
  margin-left: 1rem;
  white-space: nowrap;
}

.navbar-toggler {
  border: 2px solid var(--colour-ink);
  border-radius: 0.5rem;
  background: var(--colour-surface-soft);
  padding: 0.35rem 0.5rem;
  transition: var(--transition);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 4px rgba(0, 247, 255, 0.25);
}

/* Buttons with tactile shadow states */
.btn {
  border-width: 2px;
  border-radius: 0.65rem;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.925rem;
  padding: 0.625rem 1.25rem;
  transition: var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-brand-primary {
  border-color: var(--colour-ink);
  color: var(--colour-ink);
  background: var(--brand-cyan);
  box-shadow: 4px 4px 0 var(--colour-ink);
}

.btn-brand-primary:hover,
.btn-brand-primary:focus-visible {
  border-color: var(--colour-ink);
  color: var(--colour-ink);
  background: #62feff;
  box-shadow: 2px 2px 0 var(--colour-ink);
}

.btn-brand-secondary {
  border-color: var(--colour-ink);
  color: var(--colour-ink);
  background: var(--brand-magenta);
  box-shadow: 4px 4px 0 var(--colour-ink);
}

.btn-brand-secondary:hover,
.btn-brand-secondary:focus-visible {
  border-color: var(--colour-ink);
  color: var(--colour-ink);
  background: var(--brand-pink);
  box-shadow: 2px 2px 0 var(--colour-ink);
}

.btn-outline-dark {
  border-color: var(--colour-ink);
  color: var(--colour-ink);
  background: transparent;
}

.btn-outline-dark:hover {
  border-color: var(--colour-ink);
  color: var(--colour-surface);
  background: var(--colour-ink);
}

/* Hero Section with Grid & Glowing Orbs */
.hero {
  position: relative;
  isolation: isolate;
  min-height: calc(100vh - var(--header-height));
  overflow: hidden;
  background-color: var(--colour-surface-soft);
  background-image: 
    var(--hero-dots),
    var(--hero-gradient);
  background-size: 24px 24px, auto;
}

.hero::after {
  position: absolute;
  z-index: -1;
  right: 0;
  bottom: 0;
  left: 0;
  height: 0.5rem;
  background: var(--brand-gradient);
  content: "";
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(20rem, 0.8fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
  min-height: calc(100vh - var(--header-height));
  padding-block: clamp(3.5rem, 6vw, 6rem);
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1.25rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--colour-border);
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  color: var(--colour-ink-soft);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  box-shadow: var(--shadow-sm);
}

.eyebrow-dot {
  width: 0.55rem;
  height: 0.55rem;
  border: 1.5px solid var(--colour-ink);
  border-radius: 50%;
  background: var(--brand-magenta);
  animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.25); opacity: 0.6; }
}

.hero h1 {
  max-width: 14ch;
  margin-bottom: 1.25rem;
}

.gradient-text {
  display: inline-block;
  color: var(--brand-magenta);
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  max-width: 38rem;
  margin-bottom: 2.25rem;
  color: var(--colour-text-muted);
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  line-height: 1.6;
}

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

/* Glassmorphic Student details */
.student-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 3rem;
  padding: 1.25rem;
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
}

.student-meta div {
  flex: 1 1 9rem;
  padding: 0.25rem 1.25rem;
  border-left: 1px solid var(--colour-border);
}

.student-meta div:first-child {
  padding-left: 0;
  border-left: 0;
}

.student-meta dt {
  color: var(--colour-text-muted);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.student-meta dd {
  margin: 0.15rem 0 0;
  color: var(--colour-ink);
  font-weight: 800;
  font-size: 1.05rem;
}

/* Premium Panel with shadow offset */
.hero-panel {
  position: relative;
  padding: clamp(1.5rem, 3.5vw, 2.25rem);
  border: 2px solid var(--colour-ink);
  border-radius: var(--radius-xl);
  background: var(--colour-surface);
  box-shadow: 12px 12px 0 var(--brand-pink), var(--shadow-lg);
}

.hero-panel::before {
  position: absolute;
  top: -0.6rem;
  right: 2rem;
  width: 5rem;
  height: 1.25rem;
  transform: rotate(2deg);
  background: var(--brand-magenta);
  content: "";
  opacity: 0.85;
  border-radius: 4px;
}

.hero-panel-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.status-pill {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--colour-border);
  border-radius: 99px;
  color: var(--colour-ink-soft);
  font-family: var(--font-sans);
  font-size: 0.725rem;
  font-weight: 800;
  background: var(--colour-surface-soft);
}

.status-pill span {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--brand-cyan);
  box-shadow: 0 0 10px rgba(0, 247, 255, 0.8);
  animation: glow-status 2s infinite alternate;
}

@keyframes glow-status {
  from { opacity: 0.6; box-shadow: 0 0 2px rgba(0, 247, 255, 0.4); }
  to { opacity: 1; box-shadow: 0 0 12px rgba(0, 247, 255, 0.9); }
}

.hero-panel-code {
  color: var(--colour-text-muted);
  font-family: var(--font-mono);
  font-size: 0.725rem;
  font-weight: 700;
}

.hero-panel h2 {
  margin-bottom: 1.25rem;
  font-size: 1.75rem;
}

.topic-list {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.topic-list a {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  padding: 0.75rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: var(--colour-ink);
  font-family: var(--font-sans);
  font-weight: 800;
  text-decoration: none;
  transition: var(--transition);
}

.topic-list a:hover {
  transform: translateX(4px);
  border-color: var(--colour-border-strong);
  background: var(--colour-surface-soft);
}

.topic-list span {
  color: var(--brand-magenta);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 900;
}

.palette-preview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  height: 0.85rem;
  margin-top: 1.75rem;
  overflow: hidden;
  border: 1px solid var(--colour-ink);
  border-radius: 99px;
}

.swatch {
  display: block;
}

.swatch-cyan { background: var(--brand-cyan); }
.swatch-aqua { background: var(--brand-aqua); }
.swatch-magenta { background: var(--brand-magenta); }
.swatch-pink { background: var(--brand-pink); }

/* Animated Floating Fluid Gradient Orbs in Background */
.hero-orb {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  mix-blend-mode: plus-lighter;
}

.hero-orb-cyan {
  top: 8%;
  right: -10vw;
  width: min(35rem, 65vw);
  aspect-ratio: 1;
  background: radial-gradient(circle, var(--brand-cyan) 0%, rgba(176, 255, 250, 0.3) 70%);
  animation: orb-float-1 22s infinite ease-in-out;
}

.hero-orb-pink {
  bottom: 8%;
  left: -15vw;
  width: min(30rem, 55vw);
  aspect-ratio: 1;
  background: radial-gradient(circle, var(--brand-pink) 0%, rgba(255, 0, 135, 0.25) 70%);
  animation: orb-float-2 18s infinite ease-in-out;
}

@keyframes orb-float-1 {
  0%, 100% { transform: translateY(0) scale(1) rotate(0deg); }
  33% { transform: translateY(-30px) scale(1.1) rotate(15deg); }
  66% { transform: translateY(15px) scale(0.9) rotate(-15deg); }
}

@keyframes orb-float-2 {
  0%, 100% { transform: translateY(0) scale(1) rotate(0deg); }
  50% { transform: translateY(40px) scale(1.15) rotate(-20deg); }
}

/* Sections and Shared Content */
.portfolio-section {
  --section-accent: var(--brand-cyan);
  --section-accent-soft: rgba(0, 247, 255, 0.08);
  position: relative;
  padding-block: var(--section-space);
  border-bottom: 1px solid var(--colour-border);
}

.portfolio-section::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--section-accent), transparent 60%);
  content: "";
}

.section-html {
  --section-accent: var(--brand-magenta);
  --section-accent-soft: rgba(255, 0, 135, 0.05);
  background: var(--colour-surface-soft);
}

.section-css {
  --section-accent: var(--brand-cyan);
  --section-accent-soft: rgba(0, 247, 255, 0.08);
}

.section-bootstrap {
  --section-accent: var(--brand-pink);
  --section-accent-soft: rgba(255, 125, 176, 0.06);
  background: var(--colour-surface-soft);
}

.section-javascript {
  --section-accent: var(--brand-cyan);
  --section-accent-soft: rgba(0, 247, 255, 0.06);
}

.section-heading {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(1.2rem, 3vw, 2.5rem);
  align-items: start;
  max-width: 60rem;
  margin-bottom: clamp(3rem, 7vw, 5rem);
}

.section-number {
  display: grid;
  width: clamp(3.5rem, 6vw, 5rem);
  aspect-ratio: 1;
  place-items: center;
  border: 2px solid var(--colour-ink);
  border-radius: 0.85rem;
  background: var(--section-accent);
  box-shadow: 4px 4px 0 var(--colour-ink);
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 900;
}

.section-kicker {
  margin-bottom: 0.5rem;
  color: var(--colour-text-muted);
}

.section-heading h2 {
  position: relative;
  display: inline-block;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.section-heading h2::after {
  display: block;
  width: 5rem;
  height: 5px;
  margin-top: 0.5rem;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--section-accent), var(--brand-magenta));
  content: "";
}

.section-intro {
  max-width: 45rem;
  margin: 0;
  color: var(--colour-text-muted);
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  line-height: 1.5;
}

/* Bento-like Concept Cards */
.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.concept-card {
  position: relative;
  padding: 2rem;
  overflow: hidden;
  border: 1px solid var(--colour-border);
  border-radius: var(--radius-lg);
  background: var(--colour-surface);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.concept-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--colour-border-strong);
}

.concept-card::after {
  position: absolute;
  top: 0;
  right: 0;
  width: 4rem;
  height: 4px;
  background: var(--section-accent);
  content: "";
}

.concept-icon {
  display: grid;
  width: 3rem;
  aspect-ratio: 1;
  place-items: center;
  margin-bottom: 1.25rem;
  border: 2px solid var(--colour-ink);
  border-radius: 0.55rem;
  background: var(--section-accent-soft);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 900;
}

.concept-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.35rem;
}

.concept-card p {
  margin: 0;
  color: var(--colour-text-muted);
  font-size: 0.925rem;
  line-height: 1.5;
}

.learning-copy {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(18rem, 0.7fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
  margin-bottom: 3.5rem;
}

.learning-copy > div > h3 {
  margin-bottom: 1rem;
}

.learning-copy > div > p {
  color: var(--colour-text-muted);
  font-size: 1rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

/* Learning Note sidecard */
.learning-note {
  position: relative;
  padding: 1.75rem;
  border: 2px solid var(--colour-ink);
  border-radius: var(--radius-lg);
  background: var(--colour-surface);
  box-shadow: 6px 6px 0 var(--section-accent);
}

.learning-note h3 {
  margin-bottom: 0.75rem;
  font-size: 1.15rem;
}

.learning-note p {
  color: var(--colour-text-muted);
  font-size: 0.925rem;
  line-height: 1.6;
}

/* Demo Shell Framework Container */
.demo-shell {
  position: relative;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  border: 2px solid var(--colour-ink);
  border-radius: var(--radius-xl);
  background: var(--colour-surface);
  box-shadow: var(--shadow-md);
}

.demo-shell::before {
  position: absolute;
  top: -2px;
  right: clamp(2rem, 5vw, 5rem);
  left: clamp(2rem, 5vw, 5rem);
  height: 5px;
  border-radius: 0 0 99px 99px;
  background: var(--brand-gradient);
  content: "";
}

.demo-heading {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 2.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--colour-border);
}

.demo-heading > div:first-child {
  max-width: 48rem;
}

.demo-heading h3 {
  margin-bottom: 0.5rem;
}

.demo-heading p:last-child {
  color: var(--colour-text-muted);
  font-size: 0.95rem;
}

.demo-label {
  margin-bottom: 0.65rem;
  color: var(--colour-text-muted);
}

.demo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Request/Response simulation styling */
.request-status {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  min-height: 3.5rem;
  margin-bottom: 1.75rem;
  padding: 0.85rem 1.25rem;
  border: 2px solid var(--colour-ink);
  border-radius: var(--radius-md);
  background: var(--colour-surface-soft);
  color: var(--colour-ink);
  font-family: var(--font-sans);
  font-weight: 800;
  box-shadow: var(--shadow-sm);
}

.status-indicator {
  flex: 0 0 auto;
  width: 0.65rem;
  height: 0.65rem;
  border: 1.5px solid var(--colour-ink);
  border-radius: 50%;
  background: var(--colour-border-strong);
  transition: var(--transition);
}

.request-status.is-running .status-indicator {
  background: var(--brand-cyan);
  animation: pulse-indicator 1s infinite;
}

.request-status.is-complete .status-indicator {
  background: var(--brand-pink);
  box-shadow: 0 0 10px rgba(255, 125, 176, 0.8);
}

@keyframes pulse-indicator {
  0% { box-shadow: 0 0 0 0 rgba(0, 247, 255, 0.4); }
  70% { box-shadow: 0 0 0 8px rgba(0, 247, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 247, 255, 0); }
}

/* Simulated Network nodes */
.journey-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 2rem;
}

.journey-node {
  position: relative;
  min-width: 0;
  padding: 1.5rem 1.25rem;
  border: 2px solid var(--colour-border);
  border-radius: var(--radius-lg);
  background: var(--colour-surface);
  transition: var(--transition);
}

.journey-node.is-active {
  transform: translateY(-6px);
  border-color: var(--colour-ink);
  background: var(--brand-aqua);
  box-shadow: 5px 5px 0 var(--colour-ink);
}

.journey-node.is-complete {
  border-color: var(--colour-ink);
  background: var(--colour-surface);
  box-shadow: 3px 3px 0 var(--colour-border-strong);
}

.journey-node.is-complete .node-step::after {
  margin-left: 0.25rem;
  content: " ✓";
  color: var(--colour-success);
}

.node-step {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  color: var(--colour-text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
}

.node-symbol {
  display: grid;
  width: 2.5rem;
  aspect-ratio: 1;
  place-items: center;
  margin-bottom: 1rem;
  border: 1.5px solid var(--colour-ink);
  border-radius: 0.5rem;
  background: var(--colour-surface-soft);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 900;
}

.journey-node h4 {
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
}

.journey-node p {
  margin: 0;
  color: var(--colour-text-muted);
  font-size: 0.85rem;
  line-height: 1.4;
}

.journey-arrow {
  align-self: center;
  color: var(--colour-border-strong);
  font-family: var(--font-sans);
  font-size: 1.75rem;
  font-weight: 900;
  animation: move-arrow 1.5s infinite alternate;
}

@keyframes move-arrow {
  from { transform: translateX(-2px); color: var(--colour-border-strong); }
  to { transform: translateX(2px); color: var(--brand-cyan); }
}

/* Response window container */
.response-window {
  min-height: 10rem;
  margin-bottom: 2rem;
  overflow: hidden;
  border: 2px solid var(--colour-ink);
  border-radius: var(--radius-lg);
  background: var(--colour-surface-soft);
  box-shadow: var(--shadow-sm);
}

.response-window-bar {
  display: flex;
  gap: 0.35rem;
  padding: 0.75rem 1rem;
  border-bottom: 2px solid var(--colour-ink);
  background: var(--colour-surface);
}

.response-window-bar span {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--colour-border-strong);
}

.response-window-bar span:nth-child(1) { background: #ff5f56; border: 1px solid rgba(0,0,0,0.1); }
.response-window-bar span:nth-child(2) { background: #ffbd2e; border: 1px solid rgba(0,0,0,0.1); }
.response-window-bar span:nth-child(3) { background: #27c93f; border: 1px solid rgba(0,0,0,0.1); }

.response-empty,
.profile-result {
  min-height: 7.5rem;
  padding: 1.75rem;
}

.response-empty {
  display: grid;
  place-content: center;
  text-align: center;
}

.response-empty strong {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.response-empty span {
  color: var(--colour-text-muted);
  font-size: 0.9rem;
}

.profile-result {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  animation: result-slide-in 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.profile-result[hidden] {
  display: none;
}

@keyframes result-slide-in {
  from { transform: translateY(15px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.profile-avatar {
  display: grid;
  flex: 0 0 auto;
  width: 4.5rem;
  aspect-ratio: 1;
  place-items: center;
  border: 2px solid var(--colour-ink);
  border-radius: 0.85rem;
  background: var(--brand-cyan);
  box-shadow: 4px 4px 0 var(--brand-pink);
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 900;
}

.response-badge {
  display: inline-block;
  margin-bottom: 0.5rem;
  padding: 0.25rem 0.65rem;
  border-radius: 99px;
  color: var(--colour-success);
  background: rgba(16, 185, 129, 0.12);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.profile-result h4 {
  margin-bottom: 0.15rem;
  font-size: 1.4rem;
}

.profile-result p {
  color: var(--colour-text-muted);
  font-size: 0.95rem;
}

/* Explanation panels - styled as dark dashboard components */
.explanation-panel {
  margin-top: 1.75rem;
  overflow: hidden;
  border: 2px solid var(--colour-ink);
  border-radius: var(--radius-lg);
  background: var(--colour-surface-dark);
  box-shadow: var(--shadow-sm);
  color: #f1f5f9;
}

.explanation-panel.is-updated {
  animation: panel-glow-flash 0.5s ease-out;
}

@keyframes panel-glow-flash {
  0% { box-shadow: 0 0 0 0px rgba(0, 247, 255, 0.3); }
  50% { box-shadow: 0 0 15px 4px rgba(0, 247, 255, 0.4); }
  100% { box-shadow: 0 0 0 0px rgba(0, 247, 255, 0); }
}

.explanation-panel-heading {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.2);
}

.explanation-panel-heading strong {
  color: #ffffff;
  font-size: 1rem;
}

.explanation-badge {
  display: inline-flex;
  padding: 0.3rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 99px;
  color: var(--colour-ink);
  background: var(--brand-cyan);
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.explanation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
}

.explanation-grid > div {
  min-width: 0;
  padding: 1.15rem 1.25rem;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.explanation-grid > div:nth-child(2n) {
  border-right: 0;
}

.explanation-grid > div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.explanation-grid dt {
  margin-bottom: 0.4rem;
  color: #94a3b8;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.explanation-grid dd {
  margin: 0;
  color: #e2e8f0;
  font-size: 0.925rem;
  line-height: 1.5;
}

/* Expandable code blocks & details */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.75rem;
}

details {
  min-width: 0;
  overflow: hidden;
  border: 2px solid var(--colour-ink);
  border-radius: var(--radius-lg);
  background: var(--colour-surface);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

details:hover {
  border-color: var(--colour-ink-soft);
}

summary {
  position: relative;
  padding: 1.15rem 3.5rem 1.15rem 1.25rem;
  color: var(--colour-ink);
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1.05rem;
  list-style: none;
  transition: var(--transition-fast);
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  position: absolute;
  top: 50%;
  right: 1.25rem;
  display: grid;
  width: 1.85rem;
  aspect-ratio: 1;
  transform: translateY(-50%);
  place-items: center;
  border: 1.5px solid var(--colour-ink);
  border-radius: 50%;
  background: var(--colour-surface-soft);
  content: "+";
  font-size: 1.1rem;
  font-weight: bold;
  line-height: 1;
  transition: var(--transition);
}

details[open] summary {
  border-bottom: 2px solid var(--colour-ink);
  background: var(--colour-surface-soft);
}

details[open] summary::after {
  content: "−";
  background: var(--brand-aqua);
  transform: translateY(-50%) rotate(180deg);
}

.details-content {
  padding: 1.25rem;
  color: var(--colour-text-muted);
  font-size: 0.925rem;
  line-height: 1.6;
}

.code-toolbar {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-radius: 0.65rem 0.65rem 0 0;
  color: #f1f5f9;
  background: #1e293b;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.copy-code {
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  border-radius: 0.4rem;
  padding: 0.25rem 0.6rem;
  color: #ffffff;
  background: transparent;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: none;
  transition: var(--transition-fast);
}

.copy-code:hover {
  color: var(--colour-ink);
  background: var(--brand-cyan);
  border-color: var(--colour-ink);
}

pre {
  max-width: 100%;
  margin: 0;
  overflow-x: auto;
  border-radius: 0 0 0.65rem 0.65rem;
  color: #f8fafc;
  background: #0f172a;
}

pre code {
  display: block;
  min-width: max-content;
  padding: 1.25rem;
  color: inherit;
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre;
  border: none;
  background: transparent;
  border-radius: 0;
}

/* Reflection layout */
.reflection-row {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
  margin-top: 2rem;
  padding: 1.5rem;
  border: 2px dashed var(--colour-border-strong);
  border-radius: var(--radius-lg);
  background: var(--colour-surface-soft);
}

.reflection-row h4 {
  margin-bottom: 0.35rem;
  font-size: 1.1rem;
}

.reflection-row p {
  max-width: 44rem;
  color: var(--colour-text-muted);
  font-size: 0.925rem;
}

.resource-links {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.resource-links a {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1rem;
  border: 2px solid var(--colour-ink);
  border-radius: 0.5rem;
  color: var(--colour-ink);
  background: var(--colour-surface);
  box-shadow: 3px 3px 0 var(--colour-ink);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 800;
  text-decoration: none;
}

.resource-links a:hover {
  transform: translateY(-2px);
  background: var(--brand-aqua);
  box-shadow: 1px 1px 0 var(--colour-ink);
}

/* HTML Semantic Explorer component */
.semantic-explorer {
  display: grid;
  grid-template-columns: minmax(13rem, 0.35fr) minmax(0, 1.6fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.semantic-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  align-content: start;
}

.semantic-button,
.control-chip,
.box-model-button,
.task-filter {
  min-height: 2.75rem;
  border: 2px solid var(--colour-ink);
  border-radius: 0.55rem;
  color: var(--colour-ink);
  background: var(--colour-surface);
  box-shadow: 3px 3px 0 var(--colour-ink);
  font-family: var(--font-sans);
  font-weight: 800;
  transition: var(--transition-fast);
}

.semantic-button:hover,
.control-chip:hover,
.box-model-button:hover,
.task-filter:hover {
  background: var(--colour-surface-soft);
  box-shadow: 1px 1px 0 var(--colour-ink);
  transform: translate(2px, 2px);
}

.semantic-button.is-selected,
.control-chip.is-selected,
.box-model-button.is-selected,
.task-filter.is-selected {
  background: var(--brand-pink);
  box-shadow: 1px 1px 0 var(--colour-ink);
  transform: translate(2px, 2px);
}

/* Mini Browser frame Mockup */
.mini-browser {
  min-width: 0;
  overflow: hidden;
  border: 2px solid var(--colour-ink);
  border-radius: var(--radius-lg);
  background: var(--colour-surface-soft);
  box-shadow: 4px 4px 0 var(--colour-border-strong);
}

.mini-browser-bar {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 2px solid var(--colour-ink);
  background: var(--colour-surface);
}

.mini-browser-bar > span {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.15);
}

.mini-browser-bar > span:nth-child(1) { background: #ff5f56; }
.mini-browser-bar > span:nth-child(2) { background: #ffbd2e; }
.mini-browser-bar > span:nth-child(3) { background: #27c93f; }

.mini-browser-bar strong {
  margin-left: 0.75rem;
  color: var(--colour-text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: bold;
}

.mini-page {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 0.75rem;
  padding: 1rem;
  font-size: 0.75rem;
}

.semantic-region {
  position: relative;
  scroll-margin: 8rem;
  border: 2px dashed var(--colour-border-strong);
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.9);
  transition: var(--transition);
}

.semantic-region.is-highlighted {
  z-index: 10;
  border: 2.5px solid var(--colour-ink);
  background: var(--brand-aqua);
  box-shadow: 4px 4px 0 var(--brand-magenta);
}

.region-tag {
  position: absolute;
  top: 0.35rem;
  right: 0.45rem;
  padding: 0.1rem 0.45rem;
  border: 1.5px solid var(--colour-ink);
  border-radius: 0.35rem;
  color: var(--colour-ink);
  background: var(--colour-surface);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 800;
}

.mini-page > header,
.mini-page > footer {
  padding: 1.25rem 1rem 0.85rem;
}

.mini-page header > nav {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.85rem;
  padding: 0.75rem 0.85rem;
}

.mini-page header > nav a {
  font-weight: 800;
  text-decoration: none;
}

.mini-page .semantic-main {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(7.5rem, 0.8fr);
  gap: 0.75rem;
  padding: 1.5rem 0.75rem 0.75rem;
}

.mini-page article {
  padding: 1.5rem 1rem 1rem;
}

.mini-page article h4 {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.mini-page section,
.mini-page aside,
.mini-form {
  padding: 1.5rem 1rem 1rem;
}

.mini-form {
  grid-column: 1 / -1;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.mini-form label {
  font-weight: 800;
}

.mini-form input {
  flex: 1;
  min-height: 2.2rem;
  padding-inline: 0.5rem;
  border: 1.5px solid var(--colour-ink);
  border-radius: 0.4rem;
}

/* Detail info grid for Semantic Explorer */
.semantic-information {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-bottom: 1.75rem;
  overflow: hidden;
  border: 2px solid var(--colour-ink);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.semantic-information > div {
  min-width: 0;
  padding: 1.25rem 1rem;
  border-right: 1px solid var(--colour-border);
  background: var(--colour-surface-soft);
}

.semantic-information > div:last-child {
  border-right: 0;
}

.semantic-information span {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--colour-text-muted);
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.semantic-information strong {
  font-family: var(--font-sans);
  font-size: 1.05rem;
}

.semantic-information code {
  font-size: 0.8rem;
  padding: 0.2rem 0.4rem;
  background: var(--colour-surface);
}

.semantic-information p {
  margin: 0;
  color: var(--colour-text-muted);
  font-size: 0.85rem;
  line-height: 1.4;
}

/* Premium Form layout */
.contact-example {
  display: grid;
  grid-template-columns: minmax(14rem, 0.35fr) minmax(0, 1.65fr);
  gap: 2.5rem;
  margin-top: 2rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 2px solid var(--colour-ink);
  border-radius: var(--radius-lg);
  background: var(--colour-surface);
  box-shadow: 8px 8px 0 var(--colour-border-strong);
}

.contact-example h4 {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.contact-example > div p:last-child {
  color: var(--colour-text-muted);
  font-size: 0.925rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.form-field {
  min-width: 0;
}

.form-field-wide {
  grid-column: 1 / -1;
}

.form-field label,
.task-form label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--colour-ink);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 800;
}

.form-control,
.form-select {
  min-height: 3rem;
  padding: 0.5rem 0.85rem;
  border: 2px solid var(--colour-ink);
  border-radius: 0.55rem;
  color: var(--colour-ink);
  background-color: var(--colour-surface-soft);
  transition: var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
  background-color: var(--colour-surface);
  border-color: var(--brand-magenta);
  box-shadow: 0 0 0 4px rgba(255, 0, 135, 0.15);
}

.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--colour-danger);
  background-color: rgba(239, 68, 68, 0.05);
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
}

.form-field small {
  display: block;
  margin-top: 0.4rem;
  color: var(--colour-text-muted);
  font-size: 0.8rem;
}

.field-error {
  display: block;
  min-height: 1.25rem;
  margin-top: 0.35rem;
  color: var(--colour-danger);
  font-size: 0.775rem;
  font-weight: 700;
}

.form-status {
  display: inline-block;
  margin: 0 0 0 1rem;
  color: var(--colour-text-muted);
  font-size: 0.875rem;
  font-weight: 800;
  vertical-align: middle;
}

.form-status.is-success,
.bootstrap-form-status.is-success {
  color: var(--colour-success);
}

.form-status.is-error,
.bootstrap-form-status.is-error {
  color: var(--colour-danger);
}

/* Box Model Diagram Redesign */
.box-model-visualizer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 1.25fr);
  gap: 2rem;
  align-items: center;
  margin-bottom: 2.25rem;
}

@media (max-width: 48rem) {
  .box-model-visualizer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.box-model-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.box-model-button {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2.25rem;
  padding: 0.35rem 0.85rem;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.825rem;
  color: var(--colour-ink-soft);
  background: var(--colour-surface-soft);
  border: 1.5px solid var(--colour-border);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.box-model-button:hover {
  background: var(--colour-surface-tint);
  border-color: var(--colour-ink);
  color: var(--colour-ink);
}

.box-model-button.is-selected {
  background: var(--colour-ink);
  border-color: var(--colour-ink);
  color: var(--colour-surface);
}

[data-theme="dark"] .box-model-button.is-selected {
  background: var(--colour-ink);
  border-color: var(--colour-ink);
  color: var(--colour-surface-soft);
}

.box-model-description {
  min-height: 4.5rem;
  padding: 1.25rem;
  border-left: 4px solid var(--brand-cyan);
  background: var(--colour-surface-soft);
  border-radius: 0 4px 4px 0;
  font-size: 0.925rem;
  line-height: 1.5;
  color: var(--colour-ink);
}

.box-model-diagram-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--colour-surface-soft);
  border-radius: var(--radius-md);
  border: 2px solid var(--colour-ink);
  box-shadow: var(--shadow-sm);
}

.box-model-diagram {
  width: 100%;
  max-width: 26rem;
  aspect-ratio: 1.6 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.box-layer {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  border: 1px dashed var(--colour-border-strong);
  border-radius: var(--radius-sm);
  background: transparent;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.box-layer > span {
  position: absolute;
  top: 0.35rem;
  left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--colour-text-muted);
  opacity: 0.7;
  pointer-events: none;
  transition: var(--transition-fast);
}

.box-margin { padding: 1.8rem; }
.box-border { padding: 1.5rem; border-style: solid; }
.box-padding { padding: 1.3rem; }
.box-content {
  min-height: 3.5rem;
  border-style: solid;
}

/* Highlight state styling */
.box-model-diagram[data-active-layer="margin"] .box-margin {
  background: rgba(244, 194, 215, 0.12);
  border: 2px solid #f4c2d7;
  box-shadow: 0 0 15px rgba(244, 194, 215, 0.25);
}
.box-model-diagram[data-active-layer="margin"] .box-margin > span {
  color: #f4c2d7;
  opacity: 1;
}

.box-model-diagram[data-active-layer="border"] .box-border {
  background: rgba(255, 0, 135, 0.08);
  border: 2px solid var(--brand-magenta);
  box-shadow: 0 0 15px rgba(255, 0, 135, 0.25);
}
.box-model-diagram[data-active-layer="border"] .box-border > span {
  color: var(--brand-magenta);
  opacity: 1;
}

.box-model-diagram[data-active-layer="padding"] .box-padding {
  background: rgba(176, 255, 250, 0.2);
  border: 2px solid var(--brand-aqua);
  box-shadow: 0 0 15px rgba(176, 255, 250, 0.3);
}
.box-model-diagram[data-active-layer="padding"] .box-padding > span {
  color: #00b0ff;
  opacity: 1;
}

.box-model-diagram[data-active-layer="content"] .box-content {
  background: rgba(0, 247, 255, 0.15);
  border: 2px solid var(--brand-cyan);
  box-shadow: 0 0 15px rgba(0, 247, 255, 0.3);
}
.box-model-diagram[data-active-layer="content"] .box-content > span {
  color: #00c3d9;
  opacity: 1;
}

/* Bootstrap Showcase overrides */
.bootstrap-showcase .demo-heading {
  align-items: center;
}

.demo-navbar {
  padding-inline: 1rem;
  border: 2px solid var(--colour-ink);
  border-radius: var(--radius-md);
  background: var(--brand-aqua);
  box-shadow: 3px 3px 0 var(--colour-ink);
}

.demo-navbar .navbar-brand {
  color: var(--colour-ink);
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1.15rem;
}

.demo-navbar .nav-link {
  color: var(--colour-ink-soft);
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.9rem;
  background: transparent;
  border: 2px solid transparent;
  border-radius: 0.5rem;
  padding: 0.4rem 0.85rem;
  margin-inline: 0.15rem;
  transition: var(--transition-fast);
}

.demo-navbar .nav-link:hover {
  color: var(--colour-ink);
  background: rgba(0, 247, 255, 0.12);
}

.demo-navbar .nav-link.active {
  color: var(--colour-ink) !important;
  background: var(--brand-cyan) !important;
  border-color: var(--colour-ink);
  box-shadow: 2px 2px 0 var(--colour-ink);
  text-decoration: none;
}

.tab-pane {
  outline: none;
  padding-top: 0.5rem;
}

.showcase-action-bar {
  border-bottom: 1px solid var(--colour-border);
  padding-bottom: 1rem;
}

.brand-bootstrap-card {
  overflow: hidden;
  border: 2px solid var(--colour-ink);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  background: var(--colour-surface);
  transition: var(--transition);
}

.brand-bootstrap-card::before {
  display: block;
  height: 0.35rem;
  background: var(--brand-gradient);
  content: "";
}

.brand-bootstrap-card:hover {
  transform: translateY(-4px);
  box-shadow: 6px 6px 0 var(--brand-aqua), var(--shadow-md);
}

.brand-bootstrap-card .card-title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1.2rem;
}

.brand-bootstrap-card .card-text {
  color: var(--colour-text-muted);
  font-size: 0.925rem;
  line-height: 1.45;
}

.brand-badge {
  border: 1.5px solid var(--colour-ink);
  color: var(--colour-ink);
  background: var(--brand-pink);
  font-family: var(--font-mono);
  font-weight: 800;
  padding: 0.3em 0.6em;
}

.bootstrap-form-demo {
  border: 2px solid var(--colour-ink);
  border-radius: var(--radius-lg);
  background: var(--colour-surface-soft);
  box-shadow: var(--shadow-sm);
}

.bootstrap-form-demo .input-group-text {
  border: 2px solid var(--colour-ink);
  border-right-width: 0;
  color: var(--colour-ink);
  background: var(--brand-aqua);
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.9rem;
}

.bootstrap-form-demo .form-control {
  border-width: 2px;
}

.bootstrap-form-demo .form-check-input {
  border: 2px solid var(--colour-ink);
  cursor: pointer;
}

.bootstrap-form-demo .form-check-input:checked {
  border-color: var(--colour-ink);
  background-color: var(--brand-magenta);
}

.bootstrap-form-demo .form-check-input:focus {
  border-color: var(--colour-ink);
  box-shadow: 0 0 0 4px rgba(0, 247, 255, 0.25);
}

.bootstrap-form-status {
  color: var(--colour-text-muted);
  font-family: var(--font-sans);
  font-weight: 800;
}

.brand-accordion {
  --bs-accordion-border-color: var(--colour-ink);
  --bs-accordion-btn-focus-box-shadow: 0 0 0 4px rgba(0, 247, 255, 0.22);
  --bs-accordion-active-color: var(--colour-ink);
  --bs-accordion-active-bg: var(--brand-aqua);
  overflow: hidden;
  border: 2px solid var(--colour-ink);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.brand-accordion .accordion-item {
  border-right: 0;
  border-left: 0;
  border-bottom: 2px solid var(--colour-ink);
}

.brand-accordion .accordion-item:last-child {
  border-bottom: 0;
}

.brand-accordion .accordion-button {
  color: var(--colour-ink);
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1rem;
}

.brand-accordion .accordion-button:not(.collapsed) {
  border-bottom: 2px solid var(--colour-ink);
}

#bootstrap-alert-region .alert {
  border: 2px solid var(--colour-ink);
  border-left: 6px solid var(--brand-magenta);
  border-radius: var(--radius-md);
  color: var(--colour-ink);
  background: var(--brand-aqua);
  font-weight: 700;
}

.brand-modal {
  overflow: hidden;
  border: 2.5px solid var(--colour-ink);
  border-radius: var(--radius-lg);
  box-shadow: 10px 10px 0 var(--brand-pink);
}

.brand-modal .modal-header {
  border-bottom: 2px solid var(--colour-ink);
  background: var(--brand-aqua);
}

.brand-modal .modal-header .modal-title {
  font-family: var(--font-sans);
  font-weight: 850;
  font-size: 1.2rem;
}

.brand-modal .modal-footer {
  border-top: 2px solid var(--colour-border);
}

.modal-code {
  display: grid;
  gap: 0.5rem;
  margin-top: 1rem;
}

.modal-code code {
  padding: 0.75rem;
  border-radius: 0.5rem;
  color: #ffffff;
  background: var(--colour-surface-dark);
  border: none;
}

/* JavaScript Task Manager Dashboard */
.task-app {
  overflow: hidden;
  border: 2px solid var(--colour-ink);
  border-radius: var(--radius-xl);
  background: var(--colour-surface-soft);
  box-shadow: 10px 10px 0 var(--brand-aqua);
}

.task-form {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(10rem, 0.4fr) auto;
  gap: 1rem;
  align-items: end;
  padding: 1.5rem;
  border-bottom: 2px solid var(--colour-ink);
  background: var(--colour-surface);
}

.task-input-group,
.task-category-group {
  display: grid;
}

.task-submit {
  min-height: 3rem;
  align-self: end;
}

.task-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 2px solid var(--colour-ink);
  background: var(--colour-surface-soft);
}

.task-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.task-filter {
  min-height: 2.35rem;
  padding-inline: 0.95rem;
  font-size: 0.8rem;
  border-width: 1.5px;
  box-shadow: 2px 2px 0 var(--colour-ink);
}

.task-count {
  margin: 0;
  color: var(--colour-ink-soft);
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.9rem;
}

.task-list-wrap {
  position: relative;
  min-height: 14rem;
  background: var(--colour-surface);
}

.task-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.task-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 1.15rem 1.5rem;
  border-bottom: 1.5px solid var(--colour-border);
  background: var(--colour-surface);
  animation: task-add-in 0.3s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes task-add-in {
  from { transform: translateX(-10px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.task-item:last-child {
  border-bottom: 0;
}

.task-toggle {
  display: grid;
  width: 2rem;
  aspect-ratio: 1;
  place-items: center;
  border: 2px solid var(--colour-ink);
  border-radius: 50%;
  color: transparent;
  background: var(--colour-surface);
  font-size: 0.95rem;
  font-weight: 900;
  transition: var(--transition-fast);
}

.task-toggle:hover {
  background: var(--colour-surface-soft);
  transform: scale(1.1);
}

.task-item.is-completed .task-toggle {
  color: var(--colour-ink);
  background: var(--brand-cyan);
  box-shadow: 0 0 10px rgba(0, 247, 255, 0.6);
}

.task-content {
  min-width: 0;
}

.task-text {
  display: block;
  overflow-wrap: anywhere;
  color: var(--colour-ink);
  font-weight: 800;
  font-size: 1.025rem;
  transition: var(--transition-fast);
}

.task-item.is-completed .task-text {
  color: var(--colour-text-muted);
  text-decoration: line-through;
  text-decoration-color: var(--brand-magenta);
  text-decoration-thickness: 2.5px;
}

.task-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.35rem;
  color: var(--colour-text-muted);
  font-size: 0.725rem;
  font-weight: 600;
}

.task-category {
  padding: 0.15rem 0.55rem;
  border: 1.5px solid var(--colour-ink);
  border-radius: 99px;
  color: var(--colour-ink);
  background: var(--brand-pink);
  font-family: var(--font-sans);
  font-weight: 800;
}

.task-delete {
  min-width: 2.4rem;
  min-height: 2.4rem;
  padding: 0.35rem 0.75rem;
  border: 2px solid var(--colour-ink);
  border-radius: 0.5rem;
  color: var(--colour-danger);
  background: var(--colour-surface);
  box-shadow: 2px 2px 0 var(--colour-ink);
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.8rem;
  transition: var(--transition-fast);
}

.task-delete:hover {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--colour-ink);
  background: rgba(239, 68, 68, 0.08);
}

.task-empty {
  display: grid;
  min-height: 14rem;
  place-content: center;
  padding: 2.5rem;
  text-align: center;
}

.task-empty[hidden] {
  display: none;
}

.task-empty > span {
  display: grid;
  width: 3.25rem;
  aspect-ratio: 1;
  place-items: center;
  margin: 0 auto 1rem;
  border: 2px solid var(--colour-ink);
  border-radius: 50%;
  background: var(--brand-aqua);
  box-shadow: 3px 3px 0 var(--colour-ink);
  font-size: 1.15rem;
  font-weight: 900;
}

.task-empty strong {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.task-empty p {
  color: var(--colour-text-muted);
  font-size: 0.9rem;
}

.task-footer {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-top: 2px solid var(--colour-border);
  color: var(--colour-text-muted);
  background: var(--colour-surface-soft);
  font-family: var(--font-sans);
  font-size: 0.775rem;
  font-weight: 800;
}

/* Conclusion and Footer section */
.completion-section {
  padding-block: clamp(3.5rem, 7vw, 6.5rem);
  background-color: var(--brand-aqua);
  background-image: radial-gradient(rgba(10, 14, 23, 0.05) 1.5px, transparent 1.5px);
  background-size: 20px 20px;
  border-top: 2px solid var(--colour-ink);
  border-bottom: 2px solid var(--colour-ink);
}

.completion-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
  gap: 3rem;
  align-items: center;
}

.completion-section h2 {
  max-width: 14ch;
  margin-bottom: 1.25rem;
  font-size: clamp(2rem, 4.5vw, 3.5rem);
}

.completion-section p {
  max-width: 44rem;
  color: var(--colour-ink-soft);
  font-size: 1.1rem;
  line-height: 1.6;
}

.completion-checks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.completion-checks span {
  padding: 1rem;
  border: 2px solid var(--colour-ink);
  border-radius: 0.85rem;
  background: var(--colour-surface);
  box-shadow: 4px 4px 0 var(--brand-pink);
  font-family: var(--font-sans);
  font-weight: 850;
  font-size: 0.95rem;
}

.site-footer {
  padding-block: 4rem 2rem;
  color: #ffffff;
  background: #00a8ff;
}

.site-footer strong {
  color: #ffffff;
  font-size: 1.25rem;
}

.site-footer p {
  margin-top: 0.5rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.925rem;
}

.site-footer a {
  color: #ffffff;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 0.20em;
}

.site-footer a:hover {
  color: var(--colour-ink);
  text-decoration: underline;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem;
  padding-bottom: 2.5rem;
}

.footer-grid > div:last-child {
  text-align: right;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #64748b;
  font-size: 0.8rem;
  font-weight: 600;
}

/* Scroll reveal transition classes */
.js-ready .reveal-on-scroll {
  transform: translateY(20px);
  opacity: 0;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.js-ready .reveal-on-scroll.is-visible {
  transform: translateY(0);
  opacity: 1;
}

/* Media Queries for full responsiveness */
@media (max-width: 74.99rem) {
  .site-header .navbar-collapse {
    padding-block: 1.25rem;
  }

  .site-header .nav-link {
    padding-inline: 0 !important;
    margin-block: 0.25rem;
  }

  .site-header .nav-link::after {
    right: auto;
    left: 0;
    width: 3rem;
  }

  .nav-cta {
    margin: 1rem 0 0;
    display: inline-block;
  }

  .semantic-information {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .semantic-information > div {
    border-right: 1px solid var(--colour-border);
    border-bottom: 1px solid var(--colour-border);
  }

  .semantic-information > div:nth-child(2n) {
    border-right: 0;
  }

  .semantic-information > div:last-child {
    grid-column: 1 / -1;
    border-right: 0;
    border-bottom: 0;
  }

  .palette-buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 62rem) {
  .hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-copy {
    max-width: 100%;
  }

  .hero-panel {
    max-width: 100%;
    margin-top: 1rem;
  }

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

  .concept-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 1.25rem;
    align-items: start;
  }

  .concept-icon {
    grid-row: 1 / span 2;
    margin-bottom: 0;
  }

  .learning-copy,
  .contact-example,
  .box-model-section,
  .responsive-example,
  .completion-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .journey-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .journey-arrow {
    display: none;
  }

  .semantic-explorer {
    grid-template-columns: 1fr;
  }

  .semantic-controls {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .task-form {
    grid-template-columns: minmax(0, 1fr) minmax(11rem, 0.35fr);
  }

  .task-submit {
    grid-column: 1 / -1;
    justify-self: start;
    width: auto;
  }
}

@media (max-width: 48rem) {
  :root {
    --section-space: 4rem;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .section-number {
    width: 3.5rem;
  }

  .student-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 1rem;
  }

  .student-meta div,
  .student-meta div:first-child {
    padding: 0.5rem;
    border: 0;
  }

  .student-meta div:nth-child(odd) {
    padding-left: 0;
  }

  .journey-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .explanation-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .explanation-grid > div,
  .explanation-grid > div:nth-child(2n),
  .explanation-grid > div:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .explanation-grid > div:last-child {
    border-bottom: 0;
  }

  .reflection-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 1rem;
  }

  .resource-links {
    width: 100%;
  }

  .semantic-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .semantic-information {
    grid-template-columns: 1fr;
  }

  .semantic-information > div,
  .semantic-information > div:nth-child(2n),
  .semantic-information > div:last-child {
    grid-column: auto;
    border-right: 0;
    border-bottom: 1.5px solid var(--colour-border);
  }

  .semantic-information > div:last-child {
    border-bottom: 0;
  }

  .form-grid,
  .style-controls,
  .completion-checks {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .form-field-wide,
  .control-group-wide {
    grid-column: auto;
  }

  .control-group-wide {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .responsive-card-grid {
    grid-template-columns: 1fr;
  }

  .task-form {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .task-submit {
    grid-column: auto;
    justify-self: stretch;
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-grid > div:last-child {
    text-align: left;
  }
}

@media (max-width: 35rem) {
  .hero-grid {
    padding-top: 2.5rem;
  }

  .hero-actions,
  .demo-actions {
    display: grid;
    width: 100%;
  }

  .hero-actions .btn,
  .demo-actions .btn {
    width: 100%;
  }

  .student-meta {
    grid-template-columns: 1fr;
  }

  .student-meta div,
  .student-meta div:first-child,
  .student-meta div:nth-child(odd) {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--colour-border);
  }
  
  .student-meta div:last-child {
    border-bottom: 0;
  }

  .hero-orb-cyan {
    right: -10rem;
    width: 20rem;
    filter: blur(60px);
    opacity: 0.45;
  }

  .hero-orb-pink {
    display: none;
  }

  .demo-shell {
    border-radius: var(--radius-lg);
  }

  .semantic-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .journey-node.is-active {
    transform: none;
  }

  .profile-result {
    align-items: flex-start;
    flex-direction: column;
    gap: 1rem;
  }

  .mini-page .semantic-main {
    grid-template-columns: 1fr;
  }

  .mini-form {
    grid-column: auto;
    flex-direction: column;
    align-items: stretch;
  }

  .palette-buttons,
  .palette-reference {
    grid-template-columns: 1fr;
  }

  .palette-reference > div,
  .palette-reference > div:nth-child(2),
  .palette-reference > div:nth-child(-n + 2) {
    border-right: 0;
    border-bottom: 1.5px solid var(--colour-border);
  }

  .palette-reference > div:last-child {
    border-bottom: 0;
  }

  .control-group-wide {
    grid-template-columns: 1fr;
  }

  .layout-grid .preview-layout {
    grid-template-columns: 1fr;
  }

  .box-margin {
    padding: 1.75rem;
  }

  .box-border,
  .box-padding {
    padding: 1.5rem;
  }

  .task-toolbar,
  .task-footer {
    align-items: stretch;
    flex-direction: column;
    gap: 1rem;
  }

  .task-item {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .task-delete {
    grid-column: 2;
    justify-self: start;
  }
}

/* Reduced Motion preference */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .style-preview.motion-animated,
  .hero-orb-cyan,
  .hero-orb-pink,
  .journey-arrow {
    animation: none !important;
  }
}

/* ======================================================================
   ADDITIONAL PORTFOLIO ENHANCEMENTS (REAL ICONS, PROFILE CARD & RUBRIC)
   ====================================================================== */

/* Lucide Icons vertical alignments */
i[data-lucide] {
  display: inline-block;
  vertical-align: -0.125em;
  stroke-width: 2.5;
  width: 1.1em;
  height: 1.1em;
}

.label-icon {
  margin-right: 0.25rem;
  color: var(--colour-text-muted);
}

.btn-icon,
.tab-icon,
.badge-icon {
  margin-right: 0.4rem;
}

.complete-icon {
  margin-right: 0.45rem;
  color: var(--colour-success);
}

.error-icon-inline {
  color: var(--colour-danger);
  margin-right: 0.2rem;
}

.status-pill i {
  color: var(--brand-cyan);
  animation: icon-pulse 2s infinite alternate;
}

@keyframes icon-pulse {
  from { transform: scale(1); filter: drop-shadow(0 0 1px var(--brand-cyan)); }
  to { transform: scale(1.15); filter: drop-shadow(0 0 5px var(--brand-cyan)); }
}

/* Student Profile Card styling */
.student-profile-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 1.5rem;
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.student-profile-card:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.6);
  box-shadow: var(--shadow-md);
}

@keyframes liquid-morph {
  0%, 100% {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  }
  50% {
    border-radius: 40% 60% 70% 30% / 50% 70% 30% 50%;
  }
}

.avatar-ring-container {
  position: relative;
  width: 4.5rem;
  height: 4.5rem;
  flex-shrink: 0;
  border-radius: 50%;
  padding: 3px;
  background: transparent;
  display: grid;
  place-items: center;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  animation: liquid-morph 8s ease-in-out infinite;
}

.avatar-ring-gradient {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(
    from 0deg,
    var(--colour-lavender) 0%,
    var(--colour-baby-pink) 50%,
    var(--colour-lavender) 100%
  );
  animation: spin-gradient 6s linear infinite;
  z-index: 1;
}

@keyframes spin-gradient {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.student-avatar-placeholder {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid var(--colour-surface);
  background: linear-gradient(135deg, var(--colour-lavender) 0%, var(--colour-baby-pink) 100%);
  color: #0a0e17;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  box-shadow: inset 0 0 12px var(--colour-baby-pink-glow);
  transition: var(--transition);
  animation: liquid-morph 8s ease-in-out infinite;
}

.student-profile-card:hover .student-avatar-placeholder {
  color: #0a0e17;
  box-shadow: inset 0 0 15px var(--colour-lavender-glow);
}

.student-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  animation: liquid-morph 8s ease-in-out infinite;
}

.student-profile-info {
  flex-grow: 1;
}

.student-profile-info h3 {
  margin: 0 0 0.15rem;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--colour-ink);
}

.student-email,
.student-social {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0 0 0.45rem;
  color: var(--colour-text-muted);
  font-size: 0.775rem;
  font-family: var(--font-mono);
  word-break: break-all;
}

.student-email a,
.student-social a {
  color: var(--colour-text-muted);
  text-decoration: none;
}

.student-email a:hover,
.student-social a:hover {
  color: var(--colour-ink);
  text-decoration: underline;
}

.student-email i,
.student-social i {
  width: 0.85rem;
  height: 0.85rem;
  color: var(--brand-magenta);
}

.student-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.student-tags .badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.55rem;
  border-radius: 99px;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-module {
  background: var(--brand-gradient-soft);
  color: #8c004a;
  border: 1px solid rgba(255, 0, 135, 0.2);
}

.badge-status {
  background: rgba(0, 247, 255, 0.1);
  color: #007074;
  border: 1px solid rgba(0, 247, 255, 0.2);
}

.divider-line {
  height: 1px;
  margin-block: 1.25rem;
  background: linear-gradient(90deg, var(--colour-border), transparent);
}

/* Tech Stack Badges in Hero */
.tech-stack-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.85rem;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--colour-border);
  border-radius: 99px;
  color: var(--colour-ink-soft);
  font-family: var(--font-sans);
  font-size: 0.775rem;
  font-weight: 800;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.tech-badge:hover {
  transform: translateY(-2px) scale(1.02);
  background: var(--colour-surface);
  border-color: var(--colour-border-strong);
  box-shadow: var(--shadow-md);
}

.tech-badge i {
  width: 0.9rem;
  height: 0.9rem;
}

/* Rubric Tracker Slider Drawer */
.rubric-toggle-btn {
  position: fixed;
  z-index: 1800;
  bottom: 2rem;
  right: 2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.8rem 1.25rem;
  border: 2px solid var(--colour-ink);
  border-radius: 99px;
  background: var(--brand-magenta);
  color: var(--colour-ink);
  box-shadow: 4px 4px 0 var(--colour-ink), var(--shadow-lg);
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 0.875rem;
  transition: var(--transition);
  animation: glow-pulse 3s infinite alternate;
}

@keyframes glow-pulse {
  from { box-shadow: 4px 4px 0 var(--colour-ink), 0 0 8px rgba(255, 0, 135, 0.2); }
  to { box-shadow: 4px 4px 0 var(--colour-ink), 0 0 20px rgba(255, 0, 135, 0.55); }
}

.rubric-toggle-btn:hover {
  transform: translateY(-3px) scale(1.04);
  background: var(--brand-pink);
  box-shadow: 2px 2px 0 var(--colour-ink), 0 0 25px rgba(255, 125, 176, 0.65);
}

.rubric-drawer {
  position: fixed;
  inset: 0;
  z-index: 2200;
  visibility: hidden;
  transition: visibility var(--transition);
}

.rubric-drawer.is-open {
  visibility: visible;
}

.rubric-drawer-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 14, 23, 0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity var(--transition);
}

.rubric-drawer.is-open .rubric-drawer-overlay {
  opacity: 1;
}

.rubric-drawer-content {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(30rem, 100vw);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 2px solid var(--colour-ink);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.rubric-drawer.is-open .rubric-drawer-content {
  transform: translateX(0);
}

.rubric-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 2px solid var(--colour-ink);
  background: var(--colour-surface-soft);
}

.rubric-drawer-header h2 {
  margin: 0;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.rubric-drawer-header h2 i {
  color: var(--brand-magenta);
}

.rubric-drawer-close {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 2px solid var(--colour-ink);
  border-radius: 0.5rem;
  background: var(--colour-surface);
  box-shadow: 2px 2px 0 var(--colour-ink);
  transition: var(--transition-fast);
}

.rubric-drawer-close:hover {
  background: var(--brand-cyan);
  transform: translate(-1px, -1px);
  box-shadow: 1px 1px 0 var(--colour-ink);
}

.rubric-drawer-body {
  flex-grow: 1;
  overflow-y: auto;
  padding: 1.5rem;
}

.rubric-intro {
  color: var(--colour-text-muted);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.rubric-items-list {
  display: grid;
  gap: 1rem;
}

.rubric-item-link {
  width: 100%;
  display: block;
  text-align: left;
  background: var(--colour-surface);
  border: 1px solid var(--colour-border);
  border-radius: var(--radius-md);
  padding: 1.15rem;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.rubric-item-link:hover {
  transform: translateY(-2px);
  border-color: var(--colour-ink);
  box-shadow: 4px 4px 0 var(--brand-cyan), var(--shadow-md);
}

.rubric-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 99px;
  background: var(--colour-surface-soft);
  color: var(--colour-ink-soft);
  border: 1px solid var(--colour-border-strong);
  margin-bottom: 0.5rem;
}

.rubric-item-link strong {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--colour-ink);
  margin-bottom: 0.2rem;
  line-height: 1.2;
}

.rubric-level {
  display: inline-block;
  font-size: 0.7rem;
  color: var(--brand-magenta);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 0.45rem;
}

.rubric-item-link p {
  color: var(--colour-text-muted);
  font-size: 0.8rem;
  line-height: 1.4;
  margin-bottom: 0.65rem;
}

.rubric-action-text {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--colour-ink);
  transition: var(--transition-fast);
}

.rubric-item-link:hover .rubric-action-text {
  color: var(--brand-magenta);
}

.rubric-drawer-footer {
  padding: 1.15rem;
  border-top: 1px solid var(--colour-border);
  background: var(--colour-surface-soft);
  text-align: center;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Highlight flash animation when navigating from rubric guide */
.rubric-highlight-flash {
  animation: rubric-section-flash 2.5s ease-out;
}

@keyframes rubric-section-flash {
  0% {
    box-shadow: 0 0 0 0px rgba(0, 247, 255, 0.4), 0 0 0 0px rgba(255, 0, 135, 0.4);
  }
  30% {
    box-shadow: 0 0 0 12px rgba(0, 247, 255, 0.2), 0 0 40px rgba(255, 0, 135, 0.15);
    background-color: rgba(176, 255, 250, 0.12) !important;
  }
  100% {
    box-shadow: 0 0 0 0px rgba(0, 247, 255, 0), 0 0 0 0px rgba(255, 0, 135, 0);
  }
}

/* Journey Grid Arrows and Connecting Line Enhancements */
.journey-arrow-wrap {
  display: grid;
  place-items: center;
  color: var(--colour-text-muted);
}

.journey-arrow-icon {
  width: 1.5rem;
  height: 1.5rem;
  transition: transform var(--transition);
}

@media (max-width: 62rem) {
  .journey-arrow-wrap {
    margin-block: 0.5rem;
  }
  
  .journey-arrow-icon {
    transform: rotate(90deg);
  }
}

@media (max-width: 35rem) {
  .journey-grid {
    grid-template-columns: 1fr !important;
    gap: 1.25rem !important;
  }
  
  .journey-node {
    position: relative;
  }
  
  .journey-arrow-wrap {
    margin-block: 0.25rem;
  }
  
  /* Connecting dotted line on mobile stack */
  .journey-node:not(:last-of-type)::after {
    content: "";
    position: absolute;
    bottom: -1.75rem;
    left: 2.25rem; /* aligned with circular step badge */
    width: 2px;
    height: 1.75rem;
    border-left: 2px dashed var(--colour-border-strong);
    z-index: 1;
  }
}

/* Responsive code snippet containers */
.code-previewer-container {
  max-width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--colour-border-strong);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.code-previewer-container pre {
  margin: 0;
  padding: 1rem;
  background: var(--colour-surface-dark);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.code-previewer-container code {
  display: block;
  font-size: 0.825rem !important;
  color: #f1f5f9;
  background: transparent;
  border: 0;
  padding: 0;
  border-radius: 0;
  line-height: 1.5;
  white-space: pre;
  font-family: var(--font-mono);
}


/* Horizontal scrolling for tabs on mobile */
@media (max-width: 48rem) {
  .demo-navbar .navbar-nav {
    flex-direction: row !important;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.5rem;
    scrollbar-width: none; /* Firefox */
  }
  
  .demo-navbar .navbar-nav::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
  }
  
  .demo-navbar .nav-item {
    white-space: nowrap;
  }
}

/* Custom Interactive Styling */
.btn-explore-liquid {
  position: relative;
  overflow: hidden;
  background: linear-gradient(270deg, var(--colour-lavender), var(--colour-baby-pink), var(--colour-lavender));
  background-size: 400% 400%;
  animation: gradient-flow-button 6s ease infinite;
  border-color: var(--colour-ink) !important;
  color: var(--colour-ink) !important;
  box-shadow: 6px 6px 0 var(--colour-ink) !important;
  font-size: 1.15rem !important;
  padding: 0.75rem 1.75rem !important;
}

.btn-explore-liquid:hover {
  transform: translateY(-3px) !important;
  box-shadow: 3px 3px 0 var(--colour-ink) !important;
  background-size: 400% 400%;
}

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

/* Floating Up/Down Quick Navigation */
.scroll-navigation-stack {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 1900;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.btn-scroll-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 2px solid var(--colour-ink);
  border-radius: 50%;
  background: var(--colour-surface);
  color: var(--colour-ink);
  box-shadow: 4px 4px 0 var(--brand-pink), var(--shadow-md);
  transition: var(--transition);
}

.btn-scroll-nav:hover {
  transform: translateY(-2px);
  box-shadow: 2px 2px 0 var(--colour-ink), var(--shadow-sm);
  background: var(--brand-cyan);
  color: var(--colour-ink);
}

.btn-scroll-nav:active {
  transform: translateY(0);
}

/* Global Theme toggle button */
.btn-theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 2px solid var(--colour-border);
  border-radius: 0.65rem;
  background: var(--colour-surface-soft);
  color: var(--colour-ink);
  transition: var(--transition);
}

.btn-theme-toggle:hover {
  background: var(--colour-surface-tint);
  border-color: var(--colour-ink);
}

html[data-theme="dark"] .theme-icon-light {
  display: block !important;
}
html[data-theme="dark"] .theme-icon-dark {
  display: none !important;
}

html:not([data-theme="dark"]) .theme-icon-light {
  display: none !important;
}
html:not([data-theme="dark"]) .theme-icon-dark {
  display: block !important;
}

/* Smooth transition for theme toggles */
html {
  transition: background-color 0.4s ease, color 0.4s ease;
}
body {
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* Print layout settings */
@media print {
  .site-header,
  .scroll-progress,
  .hero-actions,
  .demo-actions,
  .copy-code,
  .task-form,
  .task-toolbar,
  .task-footer,
  .modal-backdrop,
  .modal {
    display: none !important;
  }

  .hero,
  .portfolio-section,
  .completion-section,
  .site-footer {
    break-inside: avoid;
    color: #000000;
    background: #ffffff !important;
  }

  .demo-shell,
  .concept-card,
  .hero-panel {
    box-shadow: none !important;
    border: 1px solid #000000 !important;
  }
}