:root {
  --bg-primary: #0f1318;
  --bg-secondary: #161c24;
  --bg-card: rgba(26, 33, 43, 0.82);
  --bg-card-hover: rgba(34, 43, 56, 0.95);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(87, 203, 204, 0.4);
  --text-primary: #edf0f2;
  --text-secondary: #afbac4;
  --text-muted: #7c8b99;
  --accent-cyan: #57cbcc;
  --accent-green: #6cb670;
  --accent-gradient: linear-gradient(135deg, #57cbcc 0%, #6cb670 100%);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
}

/* ==========================================================================
   Color Theme Variants
   ========================================================================== */
[data-theme="nord"] {
  --bg-primary: #242933;
  --bg-secondary: #2e3440;
  --bg-card: rgba(46, 52, 64, 0.88);
  --bg-card-hover: rgba(59, 66, 82, 0.96);
  --border-subtle: rgba(229, 233, 240, 0.1);
  --border-accent: rgba(136, 192, 208, 0.45);
  --text-primary: #eceff4;
  --text-secondary: #d8dee9;
  --text-muted: #8892b0;
  --accent-cyan: #88c0d0;
  --accent-green: #a3be8c;
  --accent-gradient: linear-gradient(135deg, #88c0d0 0%, #a3be8c 100%);
  --shadow-lg: 0 16px 40px rgba(15, 17, 21, 0.6);
}

[data-theme="dracula"] {
  --bg-primary: #21222c;
  --bg-secondary: #282a36;
  --bg-card: rgba(40, 42, 54, 0.88);
  --bg-card-hover: rgba(56, 58, 89, 0.96);
  --border-subtle: rgba(255, 255, 255, 0.09);
  --border-accent: rgba(189, 147, 249, 0.45);
  --text-primary: #f8f8f2;
  --text-secondary: #c3c7db;
  --text-muted: #797fa5;
  --accent-cyan: #bd93f9;
  --accent-green: #ff79c6;
  --accent-gradient: linear-gradient(135deg, #bd93f9 0%, #ff79c6 100%);
  --shadow-lg: 0 16px 40px rgba(10, 10, 15, 0.65);
}

[data-theme="monokai"] {
  --bg-primary: #19181a;
  --bg-secondary: #221f22;
  --bg-card: rgba(45, 42, 46, 0.88);
  --bg-card-hover: rgba(64, 60, 65, 0.96);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(255, 216, 102, 0.45);
  --text-primary: #fcfcfa;
  --text-secondary: #c1c0c0;
  --text-muted: #8b888f;
  --accent-cyan: #ffd866;
  --accent-green: #a9dc76;
  --accent-gradient: linear-gradient(135deg, #ffd866 0%, #ff6188 100%);
  --shadow-lg: 0 16px 40px rgba(8, 8, 9, 0.65);
}

[data-theme="gruvbox"] {
  --bg-primary: #1d2021;
  --bg-secondary: #282828;
  --bg-card: rgba(50, 48, 47, 0.88);
  --bg-card-hover: rgba(60, 56, 54, 0.96);
  --border-subtle: rgba(255, 255, 255, 0.09);
  --border-accent: rgba(250, 189, 47, 0.45);
  --text-primary: #ebdbb2;
  --text-secondary: #d5c4a1;
  --text-muted: #928374;
  --accent-cyan: #fabd2f;
  --accent-green: #8ec07c;
  --accent-gradient: linear-gradient(135deg, #fabd2f 0%, #fe8019 100%);
  --shadow-lg: 0 16px 40px rgba(10, 10, 10, 0.65);
}

[data-theme="catppuccin"] {
  --bg-primary: #11111b;
  --bg-secondary: #181825;
  --bg-card: rgba(30, 30, 46, 0.88);
  --bg-card-hover: rgba(49, 50, 68, 0.96);
  --border-subtle: rgba(205, 214, 244, 0.09);
  --border-accent: rgba(203, 166, 247, 0.45);
  --text-primary: #cdd6f4;
  --text-secondary: #bac2de;
  --text-muted: #7f849c;
  --accent-cyan: #cba6f7;
  --accent-green: #74c7ec;
  --accent-gradient: linear-gradient(135deg, #cba6f7 0%, #f5c2e7 100%);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.65);
}

[data-theme="solarized"] {
  --bg-primary: #00212b;
  --bg-secondary: #073642;
  --bg-card: rgba(10, 54, 66, 0.88);
  --bg-card-hover: rgba(16, 68, 82, 0.96);
  --border-subtle: rgba(147, 161, 161, 0.12);
  --border-accent: rgba(42, 161, 152, 0.45);
  --text-primary: #fdf6e3;
  --text-secondary: #93a1a1;
  --text-muted: #657b83;
  --accent-cyan: #2aa198;
  --accent-green: #859900;
  --accent-gradient: linear-gradient(135deg, #2aa198 0%, #cb4b16 100%);
  --shadow-lg: 0 16px 40px rgba(0, 15, 20, 0.65);
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: "Quattrocento Sans", system-ui, -apple-system, sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Anaheim", system-ui, -apple-system, sans-serif;
  color: #f3f6f8;
  letter-spacing: 0.02em;
}

::selection {
  color: #0f1318;
  background: var(--accent-cyan);
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: var(--accent-green);
}

/* ==========================================================================
   Floating Corner Menu & Theme Controls
   ========================================================================== */
.corner-nav-wrapper {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 1060;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.corner-nav-btn-group {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.corner-theme-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(15, 19, 24, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--accent-cyan);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  font-size: 1.15rem;
}

.corner-theme-btn:hover,
.corner-theme-btn[aria-expanded="true"] {
  border-color: var(--accent-cyan);
  background: rgba(22, 28, 36, 0.95);
  box-shadow: 0 10px 32px color-mix(in srgb, var(--accent-cyan) 30%, transparent);
  transform: translateY(-1px) rotate(15deg);
}

.corner-theme-panel {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.65rem;
  width: clamp(260px, 85vw, 300px);
  background: rgba(18, 23, 30, 0.96);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1rem;
  padding: 0.85rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-10px) scale(0.97);
  transform-origin: top right;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1065;
}

.corner-theme-panel.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.theme-options-grid {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.theme-option-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.48rem 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 0.6rem;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: all 0.18s ease;
}

.theme-option-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateX(2px);
}

.theme-option-btn.active {
  background: color-mix(in srgb, var(--accent-cyan) 18%, transparent);
  border-color: var(--accent-cyan);
  color: #fff;
  font-weight: 600;
}

.theme-swatch {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--swatch-1) 0%, var(--swatch-1) 50%, var(--swatch-2) 50%, var(--swatch-2) 100%);
  border: 2px solid var(--swatch-bg, #000);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
}

.theme-name {
  flex-grow: 1;
}

.theme-check-icon {
  font-size: 1rem;
  color: var(--accent-cyan);
  opacity: 0;
  transition: opacity 0.18s ease;
}

.theme-option-btn.active .theme-check-icon {
  opacity: 1;
}

/* Theme Swatches in Corner Nav Menu */
.theme-menu-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.theme-swatch-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.18s ease;
}

.theme-swatch-pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--pill-accent, #57cbcc);
  box-shadow: 0 0 4px var(--pill-accent, #57cbcc);
}

.theme-swatch-pill:hover {
  background: color-mix(in srgb, var(--pill-accent, #57cbcc) 16%, transparent);
  border-color: var(--pill-accent, #57cbcc);
  color: #fff;
}

.theme-swatch-pill.active {
  background: color-mix(in srgb, var(--pill-accent, #57cbcc) 24%, transparent);
  border-color: var(--pill-accent, #57cbcc);
  color: #fff;
  font-weight: 600;
}

.corner-menu-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: rgba(15, 19, 24, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text-primary);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: "Anaheim", sans-serif;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.corner-menu-btn:hover,
.corner-menu-btn[aria-expanded="true"] {
  border-color: var(--accent-cyan);
  background: rgba(22, 28, 36, 0.95);
  box-shadow: 0 10px 32px rgba(87, 203, 204, 0.22);
  transform: translateY(-1px);
}

.corner-menu-btn .brand-avatar {
  width: 24px;
  height: 24px;
  object-fit: contain;
  border-radius: 50%;
}

.corner-menu-btn .menu-icon-bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 18px;
  height: 18px;
}

.corner-menu-btn .menu-icon-bars span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--accent-cyan);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.corner-menu-btn[aria-expanded="true"] .menu-icon-bars span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.corner-menu-btn[aria-expanded="true"] .menu-icon-bars span:nth-child(2) {
  opacity: 0;
}

.corner-menu-btn[aria-expanded="true"] .menu-icon-bars span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.corner-menu-panel {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.65rem;
  width: clamp(310px, 92vw, 360px);
  max-width: calc(100vw - 2.5rem);
  max-height: calc(100vh - 5.5rem);
  overflow-y: auto;
  background: rgba(18, 23, 30, 0.96);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-10px) scale(0.97);
  transform-origin: top right;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1065;
}

.corner-menu-panel.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.corner-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.corner-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.85rem;
  border-radius: 0.6rem;
  color: var(--nav-item-color, var(--text-secondary));
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.18s ease;
  border-left: 3px solid transparent;
  text-decoration: none;
}

.corner-nav-link i {
  font-size: 1.05rem;
  color: var(--nav-item-color, var(--accent-cyan));
  width: 1.25rem;
  text-align: center;
  transition: transform 0.18s ease, color 0.18s ease;
}

.corner-nav-link:hover {
  background: color-mix(in srgb, var(--nav-item-color, var(--accent-cyan)) 14%, transparent);
  color: var(--nav-item-color, #fff);
  filter: brightness(1.2);
}

.corner-nav-link:hover i {
  transform: scale(1.15);
}

.corner-nav-link.active {
  background: color-mix(in srgb, var(--nav-item-color, var(--accent-cyan)) 18%, transparent);
  border-left-color: var(--nav-item-color, var(--accent-green));
  color: var(--nav-item-color, #fff);
  font-weight: 600;
  filter: brightness(1.25);
}

.corner-nav-link.active i {
  color: var(--nav-item-color, var(--accent-cyan));
}

/* Category header with split direct link & expand button */
.corner-nav-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 0.6rem;
  transition: background 0.18s ease;
}

.corner-nav-group-header:hover {
  background: color-mix(in srgb, var(--nav-item-color, var(--accent-cyan)) 12%, transparent);
}

.corner-nav-group-title {
  flex-grow: 1;
  padding: 0.5rem 0.75rem;
}

.corner-nav-group-toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.45rem 0.75rem;
  cursor: pointer;
  border-radius: 0.4rem;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.corner-nav-group-toggle-btn:hover {
  color: var(--nav-item-color, var(--accent-cyan));
  background: rgba(255, 255, 255, 0.08);
}

.corner-nav-group-toggle-btn[aria-expanded="true"] i {
  transform: rotate(180deg);
  color: var(--nav-item-color, var(--accent-cyan));
}

.corner-nav-group-toggle-btn i {
  font-size: 0.82rem;
  transition: transform 0.22s ease, color 0.22s ease;
}

/* Subnav panel with 2-column chip grid */
.corner-subnav-panel {
  display: none;
  margin: 0.35rem 0 0.5rem 0.5rem;
  padding: 0.5rem;
  background: rgba(12, 16, 21, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.65rem;
}

.corner-subnav-panel.show {
  display: block;
}

.corner-subnav-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.35rem;
}

.corner-subnav-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
  padding: 0.38rem 0.6rem;
  background: color-mix(in srgb, var(--chip-accent, var(--accent-cyan)) 9%, rgba(255, 255, 255, 0.03));
  border: 1px solid color-mix(in srgb, var(--chip-accent, var(--accent-cyan)) 30%, transparent);
  border-radius: 0.5rem;
  color: #e2e8f0;
  font-size: 0.82rem;
  text-decoration: none;
  transition: all 0.18s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.corner-subnav-chip .chip-name {
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #f1f5f9;
}

.corner-subnav-chip .chip-badge {
  font-family: "Anaheim", monospace;
  font-size: 0.68rem;
  padding: 0.1rem 0.35rem;
  border-radius: 0.25rem;
  background: color-mix(in srgb, var(--chip-accent, var(--accent-cyan)) 18%, #000);
  border: 1px solid color-mix(in srgb, var(--chip-accent, var(--accent-cyan)) 35%, transparent);
  color: var(--chip-accent, var(--accent-cyan));
  flex-shrink: 0;
  font-weight: 600;
}

.corner-subnav-chip:hover {
  background: color-mix(in srgb, var(--chip-accent, var(--accent-cyan)) 22%, transparent);
  border-color: var(--chip-accent, var(--accent-cyan));
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 0 12px color-mix(in srgb, var(--chip-accent, var(--accent-cyan)) 30%, transparent);
}

.corner-subnav-chip:hover .chip-badge {
  background: var(--chip-accent, var(--accent-cyan));
  color: #0b0f14;
  font-weight: 700;
}

.corner-subnav-chip.active {
  background: color-mix(in srgb, var(--chip-accent, var(--accent-cyan)) 28%, transparent);
  border-color: var(--chip-accent, var(--accent-cyan));
  color: #fff;
  font-weight: 600;
  box-shadow: 0 0 14px color-mix(in srgb, var(--chip-accent, var(--accent-cyan)) 40%, transparent);
}

.corner-subnav-chip.active .chip-badge {
  background: var(--chip-accent, var(--accent-cyan));
  color: #0b0f14;
  font-weight: 700;
}

.corner-subnav-all-link {
  font-size: 0.76rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.18s ease;
}

.corner-subnav-all-link:hover {
  color: var(--accent-cyan);
}

/* ==========================================================================
   Hero / Landing Section
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 4rem 1rem;
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at center,
    rgba(11, 15, 20, 0.62) 0%,
    rgba(11, 15, 20, 0.88) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  will-change: transform, opacity;
}

.hero-pulse-badge {
  width: clamp(120px, 15vw, 150px);
  height: clamp(120px, 15vw, 150px);
  border-radius: 50%;
  margin: 0 auto 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  background: rgba(230, 223, 213, 0.14);
  border: 2px solid rgba(230, 223, 213, 0.38);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.75);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.hero-pulse-badge:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.85);
}

.hero-pulse-badge img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.hero-title {
  font-family: "Caveat", "Kalam", cursive, sans-serif;
  font-size: clamp(2.6rem, 6.2vw, 4.4rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1rem;
  letter-spacing: 0.01em;
  color: #e8e2d8;
  -webkit-text-fill-color: #e8e2d8;
  text-shadow:
    0 1px 2px rgba(0, 0, 0, 0.95),
    0 2px 6px rgba(0, 0, 0, 0.8),
    0 4px 14px rgba(0, 0, 0, 0.65);
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.85));
  transform: rotate(-1.2deg);
  display: inline-block;
}

.hero-subtitle {
  font-family: "Caveat", "Kalam", cursive, sans-serif;
  font-size: clamp(1.3rem, 2.8vw, 1.85rem);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
  color: #ded7cb;
  -webkit-text-fill-color: #ded7cb;
  text-shadow:
    0 1px 2px rgba(0, 0, 0, 0.95),
    0 2px 5px rgba(0, 0, 0, 0.75);
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.85));
  transform: rotate(-0.4deg);
  display: inline-block;
}

.hero-bullet {
  display: inline-block;
  margin: 0 0.55rem;
  color: #c8c0b2;
  -webkit-text-fill-color: #c8c0b2;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.95);
  vertical-align: middle;
}

.scroll-down-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  color: #cbd5e1;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
  animation: floatSlow 2.6s ease-in-out infinite;
}

.scroll-down-btn i {
  font-size: 1.4rem;
  color: var(--accent-cyan);
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ==========================================================================
   Section Layout, Scroll Reveal & Parallax Windows
   ========================================================================== */
.section-block {
  padding: 5.5rem 0;
  position: relative;
  z-index: 2;
  background-color: var(--bg-primary);
  box-shadow: 0 0 36px rgba(0, 0, 0, 0.55);
}

.section-bg-alt {
  background-color: var(--bg-secondary);
}

.reveal-section .container {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-section.is-visible .container {
  opacity: 1;
  transform: translateY(0);
}

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

.section-title {
  font-size: clamp(1.9rem, 3.5vw, 2.5rem);
  font-weight: 600;
  margin-bottom: 0.65rem;
  color: #ffffff;
}

.section-title .section-title-highlight {
  color: var(--section-accent, var(--accent-cyan));
}

.section-divider {
  width: 140px;
  height: 2px;
  background: rgba(255, 255, 255, 0.08);
  margin: 0.85rem auto 0;
  position: relative;
}

.section-divider::after {
  content: "";
  position: absolute;
  width: 48px;
  height: 5px;
  background: var(--section-accent, var(--accent-cyan));
  border-radius: 3px;
  left: 50%;
  top: -1.5px;
  transform: translateX(-50%);
}

/* Parallax Image Windows between Sections */
.parallax-window {
  position: relative;
  overflow: hidden;
}

.parallax-bg {
  position: absolute;
  top: -28%;
  left: 0;
  width: 100%;
  height: 156%;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  will-change: transform;
  transform: translate3d(0, 0, 0);
  z-index: 0;
}

.parallax-band {
  height: 240px;
  position: relative;
  z-index: 1;
  box-shadow: inset 0 18px 32px rgba(0, 0, 0, 0.65),
              inset 0 -18px 32px rgba(0, 0, 0, 0.65);
}

.parallax-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(12, 16, 21, 0.38);
  z-index: 1;
}

@media (max-width: 768px) {
  .parallax-band {
    height: 160px;
  }
}

/* ==========================================================================
   About & Funfacts
   ========================================================================== */
.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 1.25rem;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-card a {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.18s ease;
}

.about-card a:hover {
  color: var(--accent-green);
}

.about-image-col {
  min-height: 360px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.stat-card {
  background: rgba(22, 28, 36, 0.82);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: 1rem;
  padding: 1.5rem 1rem;
  text-align: center;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
}

.stat-icon {
  font-size: 1.85rem;
  color: var(--accent-cyan);
  margin-bottom: 0.4rem;
}

.stat-count {
  font-family: "Anaheim", sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.35rem;
}

/* ==========================================================================
   Vertical Linear Timeline (CV)
   ========================================================================== */
.timeline-filter-bar {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.75rem;
}

.timeline-filter-btn {
  padding: 0.45rem 1.15rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.timeline-filter-btn:hover,
.timeline-filter-btn.active {
  background: rgba(87, 203, 204, 0.16);
  border-color: var(--accent-cyan);
  color: #ffffff;
}

.linear-timeline {
  position: relative;
  max-width: 1020px;
  margin: 0 auto;
  padding: 1rem 0;
}

.timeline-wave-svg {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 64px;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.timeline-item {
  position: relative;
  width: 50%;
  margin-bottom: 2.25rem;
  z-index: 2;
  transition: all 0.25s ease;
}

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

.timeline-item.timeline-left {
  left: 0;
  padding-right: 3rem;
}

.timeline-item.timeline-right {
  left: 50%;
  padding-left: 3rem;
}

.timeline-marker {
  position: absolute;
  top: 1.5rem;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--item-color, var(--accent-cyan));
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--item-color, var(--accent-cyan)) 20%, transparent),
              0 0 14px color-mix(in srgb, var(--item-color, var(--accent-cyan)) 35%, transparent);
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.timeline-marker::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--item-color, var(--accent-cyan));
  box-shadow: 0 0 6px var(--item-color, var(--accent-cyan));
  transition: transform 0.22s ease;
}

.timeline-item.timeline-left .timeline-marker {
  right: -0.75rem;
  transform: translateX(-10px);
}

.timeline-item.timeline-right .timeline-marker {
  left: -0.75rem;
  transform: translateX(10px);
}

.timeline-item:hover .timeline-marker {
  box-shadow: 0 0 0 7px color-mix(in srgb, var(--item-color, var(--accent-cyan)) 32%, transparent),
              0 0 20px color-mix(in srgb, var(--item-color, var(--accent-cyan)) 55%, transparent);
}

.timeline-item:hover .timeline-marker::after {
  transform: scale(1.4);
}

.timeline-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 1rem;
  padding: 1.35rem 1.5rem;
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.timeline-item.timeline-left .timeline-card:hover {
  transform: translateX(-4px);
  background: var(--bg-card-hover);
  border-color: var(--item-color, var(--border-accent));
}

.timeline-item.timeline-right .timeline-card:hover {
  transform: translateX(4px);
  background: var(--bg-card-hover);
  border-color: var(--item-color, var(--border-accent));
}

@media (max-width: 767.98px) {
  .timeline-wave-svg {
    left: 1.25rem;
    transform: translateX(-50%);
  }

  .timeline-item,
  .timeline-item.timeline-left,
  .timeline-item.timeline-right {
    width: 100%;
    left: 0;
    padding-left: 3.25rem;
    padding-right: 0;
  }

  .timeline-item.timeline-left .timeline-marker,
  .timeline-item.timeline-right .timeline-marker {
    left: 0.5rem;
    right: auto;
    transform: none;
  }
}

.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.55rem;
}

.timeline-period {
  font-family: "Anaheim", monospace;
  font-size: 0.92rem;
  color: var(--item-color, var(--accent-cyan));
  font-weight: 600;
  letter-spacing: 0.03em;
}

.timeline-badge {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
  font-weight: 600;
}

.timeline-badge.badge-employment {
  background: rgba(87, 203, 204, 0.14);
  color: var(--accent-cyan);
  border: 1px solid rgba(87, 203, 204, 0.3);
}

.timeline-badge.badge-education {
  background: rgba(108, 182, 112, 0.14);
  color: var(--accent-green);
  border: 1px solid rgba(108, 182, 112, 0.3);
}

.timeline-role {
  font-size: 1.22rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.2rem;
}

.timeline-org {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.timeline-location {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.timeline-details {
  font-size: 0.93rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* ==========================================================================
   Research, Publications, Collaborators, News & Posts Cards
   ========================================================================== */
.surface-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 1rem;
  padding: 1.65rem;
  height: 100%;
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
  display: flex;
  flex-direction: column;
}

.surface-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
}

.card-icon-badge {
  width: 48px;
  height: 48px;
  border-radius: 0.75rem;
  background: rgba(87, 203, 204, 0.12);
  border: 1px solid rgba(87, 203, 204, 0.28);
  color: var(--accent-cyan);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.1rem;
}

.btn-ddmms-primary {
  background: linear-gradient(135deg, #57cbcc 0%, #48b2b3 100%);
  color: #0d1117;
  font-weight: 600;
  border: none;
  border-radius: 0.65rem;
  padding: 0.65rem 1.35rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.btn-ddmms-primary:hover {
  background: linear-gradient(135deg, #6cb670 0%, #57cbcc 100%);
  color: #0d1117;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(87, 203, 204, 0.28);
}

.btn-ddmms-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 0.65rem;
  padding: 0.65rem 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.btn-ddmms-outline:hover {
  border-color: var(--accent-cyan);
  background: rgba(87, 203, 204, 0.12);
  color: #fff;
  transform: translateY(-2px);
}

.btn-social-pill {
  background: color-mix(in srgb, var(--pill-color, #57cbcc) 8%, rgba(255, 255, 255, 0.03));
  color: var(--pill-color, var(--text-primary));
  border: 1px solid color-mix(in srgb, var(--pill-color, #57cbcc) 35%, transparent);
  border-radius: 50rem;
  padding: 0.45rem 1.15rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.22s ease;
}

.btn-social-pill i {
  color: var(--pill-color, #57cbcc);
  font-size: 1.05rem;
  transition: transform 0.2s ease;
}

.btn-social-pill:hover {
  background: color-mix(in srgb, var(--pill-color, #57cbcc) 20%, transparent);
  border-color: var(--pill-color, #57cbcc);
  color: var(--pill-color, #fff);
  filter: brightness(1.18);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px color-mix(in srgb, var(--pill-color, #57cbcc) 30%, transparent);
}

.btn-social-pill:hover i {
  transform: scale(1.15);
}

/* Post & News Cards */
.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 1rem;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform 0.22s ease, border-color 0.22s ease;
  cursor: pointer;
}

.post-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-accent);
}

.post-card-img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  border-bottom: 1px solid var(--border-subtle);
}

.post-card-body {
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.news-thumb {
  width: 68px;
  height: 68px;
  border-radius: 0.75rem;
  object-fit: cover;
  border: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.collab-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-cyan);
}

/* Post Reader Modal Figures */
.post-figure {
  margin: 1.5rem 0;
  text-align: center;
  background: rgba(0, 0, 0, 0.25);
  padding: 0.75rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border-subtle);
}

.post-figure img {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
}

.post-figure figcaption {
  margin-top: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Map Frame */
.map-frame-wrap {
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  height: 360px;
}

.map-frame-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: invert(90%) hue-rotate(180deg) brightness(92%) contrast(90%);
}


/* ==========================================================================
   mlego Hardware & Documentation Extensions
   ========================================================================== */

/* Search & Filter Bar */
.search-filter-box {
  background: rgba(22, 28, 36, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: 1rem;
  padding: 0.75rem 1.25rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-lg);
}

.search-input-group {
  position: relative;
}

.search-input-group i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
}

.search-input {
  width: 100%;
  background: rgba(15, 19, 24, 0.75);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  padding: 0.65rem 1.25rem 0.65rem 2.75rem;
  color: #fff;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  background: rgba(15, 19, 24, 0.95);
  box-shadow: 0 0 16px rgba(87, 203, 204, 0.25);
}

/* Category Filter & Quick Jump Pills */
.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.95rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--pill-color, #57cbcc) 10%, rgba(255, 255, 255, 0.04));
  border: 1px solid color-mix(in srgb, var(--pill-color, #57cbcc) 35%, transparent);
  color: var(--pill-color, var(--text-secondary));
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.filter-pill .filter-pill-name {
  color: #f1f5f9;
}

.filter-pill .filter-pill-badge {
  font-family: "Anaheim", monospace;
  font-size: 0.7rem;
  padding: 0.12rem 0.45rem;
  border-radius: 0.25rem;
  background: color-mix(in srgb, var(--pill-color, #57cbcc) 18%, #000);
  border: 1px solid color-mix(in srgb, var(--pill-color, #57cbcc) 35%, transparent);
  color: var(--pill-color, var(--accent-cyan));
  font-weight: 600;
}

.filter-pill:hover,
.filter-pill.active {
  background: color-mix(in srgb, var(--pill-color, #57cbcc) 24%, transparent);
  border-color: var(--pill-color, #57cbcc);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 0 14px color-mix(in srgb, var(--pill-color, #57cbcc) 35%, transparent);
}

.filter-pill:hover .filter-pill-name,
.filter-pill.active .filter-pill-name {
  color: #fff;
  font-weight: 600;
}

.filter-pill:hover .filter-pill-badge,
.filter-pill.active .filter-pill-badge {
  background: var(--pill-color, #57cbcc);
  color: #0b0f14;
  font-weight: 700;
}

/* Hardware Spec Badges */
.mlego-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: "Anaheim", monospace;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.65rem;
  border-radius: 0.4rem;
  background: rgba(87, 203, 204, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(87, 203, 204, 0.3);
}

.mlego-badge--green {
  background: rgba(108, 182, 112, 0.12);
  color: var(--accent-green);
  border-color: rgba(108, 182, 112, 0.3);
}

.mlego-badge--amber {
  background: rgba(251, 191, 36, 0.12);
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.3);
}

.mlego-badge--purple {
  background: rgba(129, 140, 248, 0.12);
  color: #818cf8;
  border-color: rgba(129, 140, 248, 0.3);
}

/* Hardware Feature Grid & Cards */
.hardware-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 1.15rem;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.25s ease, 
              box-shadow 0.25s ease;
}

.hardware-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-cyan);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6), 0 0 20px rgba(87, 203, 204, 0.2);
}

.hardware-card-thumb-wrap {
  position: relative;
  overflow: hidden;
  height: 220px;
  background: #090c10;
}

.hardware-card-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.hardware-card:hover .hardware-card-thumb {
  transform: scale(1.06);
}

.hardware-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.hardware-card-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hardware-card-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

.hardware-card-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

/* Comparison Specs Table */
.specs-table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.specs-table {
  width: 100%;
  margin: 0;
  border-collapse: collapse;
  color: var(--text-primary);
}

.specs-table th {
  background: rgba(15, 19, 24, 0.95);
  font-family: "Anaheim", sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.specs-table td {
  padding: 0.95rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.92rem;
  vertical-align: middle;
}

.specs-table tr:hover td {
  background: rgba(87, 203, 204, 0.05);
}

/* Modal Markdown Reader Styles */
.modal-article-body {
  font-size: 1.02rem;
  line-height: 1.75;
  color: #edf0f2;
}

.modal-article-body h1,
.modal-article-body h2,
.modal-article-body h3,
.modal-article-body h4 {
  font-family: "Anaheim", sans-serif;
  color: #ffffff;
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 0.35rem;
}

.modal-article-body h1 {
  font-size: 1.85rem;
  color: var(--accent-cyan);
}

.modal-article-body h2 {
  font-size: 1.45rem;
}

.modal-article-body h3 {
  font-size: 1.2rem;
  border-bottom: none;
}

.modal-article-body p {
  margin-bottom: 1.15rem;
}

.modal-article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 0.75rem;
  border: 1px solid var(--border-subtle);
  margin: 1.25rem auto;
  display: block;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  transition: transform 0.25s ease;
  cursor: zoom-in;
}

.modal-article-body img:hover {
  transform: scale(1.015);
}

.modal-article-body pre {
  background: #090c10;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin: 1.25rem 0;
  position: relative;
}

.modal-article-body code {
  font-family: "JetBrains Mono", Consolas, Monaco, monospace;
  font-size: 0.9em;
  color: #57cbcc;
  background: rgba(87, 203, 204, 0.1);
  padding: 0.15rem 0.4rem;
  border-radius: 0.3rem;
}

.modal-article-body pre code {
  color: #e2e8f0;
  background: transparent;
  padding: 0;
  font-size: 0.92rem;
  line-height: 1.55;
}

.modal-article-body table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  border: 1px solid var(--border-subtle);
  border-radius: 0.65rem;
  overflow: hidden;
}

.modal-article-body th {
  background: rgba(15, 19, 24, 0.9);
  padding: 0.75rem 1rem;
  color: var(--accent-cyan);
  font-size: 0.85rem;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-article-body td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.9rem;
}

.modal-article-body blockquote {
  border-left: 4px solid var(--accent-cyan);
  padding: 0.75rem 1.25rem;
  margin: 1.25rem 0;
  background: rgba(87, 203, 204, 0.06);
  border-radius: 0 0.5rem 0.5rem 0;
  color: var(--text-secondary);
}

.modal-article-body ul,
.modal-article-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.modal-article-body li {
  margin-bottom: 0.4rem;
}

/* Lightbox Image Preview Overlay */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(8px);
  z-index: 1080;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  cursor: zoom-out;
}

.lightbox-overlay.show {
  display: flex;
}

.lightbox-img {
  max-width: 92vw;
  max-height: 92vh;
  object-fit: contain;
  border-radius: 0.5rem;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* ==========================================================================
   Second-Level Subpage Navigation Bar (Sticky Sibling Switcher)
   ========================================================================== */
.subpage-nav-bar {
  background: rgba(15, 19, 24, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.65rem 0;
  position: sticky;
  top: 0;
  z-index: 1020;
}

.subpage-nav-scroller {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  white-space: nowrap;
  padding: 0.15rem 0.25rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(87, 203, 204, 0.3) transparent;
}

.subpage-nav-scroller::-webkit-scrollbar {
  height: 4px;
}

.subpage-nav-scroller::-webkit-scrollbar-thumb {
  background: rgba(87, 203, 204, 0.3);
  border-radius: 4px;
}

.subnav-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.38rem 0.85rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--pill-color, #57cbcc) 10%, rgba(255, 255, 255, 0.04));
  border: 1px solid color-mix(in srgb, var(--pill-color, #57cbcc) 35%, transparent);
  color: var(--pill-color, var(--text-secondary));
  font-size: 0.86rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.subnav-pill .subnav-pill-title {
  color: #f1f5f9;
}

.subnav-pill:hover {
  background: color-mix(in srgb, var(--pill-color, #57cbcc) 22%, transparent);
  border-color: var(--pill-color, #57cbcc);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 0 12px color-mix(in srgb, var(--pill-color, #57cbcc) 30%, transparent);
}

.subnav-pill:hover .subnav-pill-title {
  color: #fff;
}

.subnav-pill.active {
  background: color-mix(in srgb, var(--pill-color, #57cbcc) 28%, transparent);
  border-color: var(--pill-color, #57cbcc);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 0 14px color-mix(in srgb, var(--pill-color, #57cbcc) 40%, transparent);
}

.subnav-pill.active .subnav-pill-title {
  color: #fff;
  font-weight: 600;
}

.subnav-pill-parent {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--accent-cyan);
  font-weight: 600;
}

.subnav-pill-badge {
  font-family: "Anaheim", monospace;
  font-size: 0.7rem;
  padding: 0.1rem 0.4rem;
  border-radius: 0.25rem;
  background: color-mix(in srgb, var(--pill-color, #57cbcc) 18%, #000);
  border: 1px solid color-mix(in srgb, var(--pill-color, #57cbcc) 35%, transparent);
  color: var(--pill-color, var(--accent-cyan));
  font-weight: 600;
}

.subnav-pill:hover .subnav-pill-badge {
  background: var(--pill-color, #57cbcc);
  color: #0b0f14;
  font-weight: 700;
}

.subnav-pill.active .subnav-pill-badge {
  background: var(--pill-color, #57cbcc);
  color: #0b0f14;
  font-weight: 700;
}

/* Detail Page Previous / Next Navigation */
.detail-pager-wrap {
  margin-top: 3.5rem;
}

.detail-pager-card {
  display: flex;
  flex-direction: column;
  padding: 1rem 1.35rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 0.85rem;
  text-decoration: none;
  transition: all 0.22s ease;
  height: 100%;
}

.detail-pager-card:hover {
  border-color: var(--accent-cyan);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.detail-pager-card .pager-direction {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
  margin-bottom: 0.35rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.detail-pager-next .pager-direction {
  justify-content: flex-end;
}

.detail-pager-card .pager-title {
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
}

/* Catalog Quick Jump Bar */
.catalog-quicknav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  background: rgba(22, 28, 36, 0.55);
  border: 1px solid var(--border-subtle);
  border-radius: 0.85rem;
  padding: 0.75rem 1.15rem;
}

.catalog-quicknav-pills {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
}