:root {
      --sc-bg: #030308;
      --sc-fg: #eeeef8;
      --sc-ink-rgb: 255, 255, 255;
      --sc-btn-bg: #ffffff;
      --sc-btn-fg: #080810;
      --sc-btn-hover-bg: #e8e8f0;
      --sc-select-bg: #0d0d18;
      --sc-select-hover-bg: #1a1a2e;
      --sc-surface-rgb: 17, 17, 26;
      --sc-shadow-glass: 0 16px 40px rgba(0, 0, 0, 0.25);
      --sc-shadow-btn: 0 3px 10px rgba(0, 0, 0, 0.2);
      --sc-shadow-btn-hover: 0 5px 16px rgba(0, 0, 0, 0.25);
      --sc-shadow-card: 0 6px 20px rgba(0, 0, 0, 0.2);
      --sc-shadow-card-3d: 0 8px 24px rgba(0, 0, 0, 0.22);
      color-scheme: dark;
    }

    :root[data-theme="light"] {
      --sc-bg: #f4f4f9;
      --sc-fg: #0d0d16;
      --sc-ink-rgb: 13, 13, 22;
      --sc-btn-bg: #0d0d16;
      --sc-btn-fg: #ffffff;
      --sc-btn-hover-bg: #23232f;
      --sc-select-bg: #ffffff;
      --sc-select-hover-bg: #ececf5;
      --sc-surface-rgb: 255, 255, 255;
      --sc-shadow-glass: 0 12px 28px rgba(20, 20, 30, 0.09);
      --sc-shadow-btn: 0 2px 8px rgba(20, 20, 30, 0.08);
      --sc-shadow-btn-hover: 0 4px 12px rgba(20, 20, 30, 0.1);
      --sc-shadow-card: 0 4px 14px rgba(20, 20, 30, 0.07);
      --sc-shadow-card-3d: 0 6px 16px rgba(20, 20, 30, 0.08);
      color-scheme: light;
    }

    [x-cloak] {
      display: none !important;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    ::-webkit-scrollbar {
      width: 4px;
      height: 4px;
    }

    ::-webkit-scrollbar-track {
      background: transparent;
    }

    ::-webkit-scrollbar-thumb {
      background: rgba(var(--sc-ink-rgb),0.12);
      border-radius: 2px;
    }

    ::-webkit-scrollbar-thumb:hover {
      background: rgba(var(--sc-ink-rgb),0.22);
    }

    * {
      scrollbar-width: thin;
      scrollbar-color: rgba(var(--sc-ink-rgb),0.12) transparent;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
      background-color: var(--sc-bg);
      color: var(--sc-fg);
      min-height: 100vh;
      overflow-x: hidden;
      transition: background-color 0.2s ease, color 0.2s ease;
    }

    .font-orbitron {
      font-family: 'Orbitron', sans-serif;
    }

    .font-mono-sc {
      font-family: 'Space Mono', monospace;
    }

    .sc-glass {
      background: rgba(var(--sc-ink-rgb),0.025);
      border: 1px solid rgba(var(--sc-ink-rgb),0.09);
      border-radius: 1.5rem;
      backdrop-filter: blur(24px);
      -webkit-backdrop-filter: blur(24px);
    }

    .sc-glass-strong {
      background: rgba(var(--sc-ink-rgb),0.05);
      border: 1px solid rgba(var(--sc-ink-rgb),0.12);
      border-radius: 1.5rem;
      backdrop-filter: blur(32px);
      -webkit-backdrop-filter: blur(32px);
      box-shadow: 0 0 0 1px rgba(var(--sc-ink-rgb),0.04) inset, var(--sc-shadow-glass);
    }

    .sc-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.7rem 1.75rem;
      background: var(--sc-btn-bg);
      color: var(--sc-btn-fg);
      font-family: 'Space Mono', monospace;
      font-weight: 700;
      font-size: 0.72rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      border-radius: 9999px;
      border: 1px solid rgba(var(--sc-ink-rgb),0.15);
      transition: all 0.2s ease;
      cursor: pointer;
      box-shadow: 0 1px 0 rgba(var(--sc-ink-rgb),0.15) inset, var(--sc-shadow-btn);
    }

    .sc-btn:hover {
      background: var(--sc-btn-hover-bg);
      transform: translateY(-2px);
      box-shadow: 0 1px 0 rgba(var(--sc-ink-rgb),0.15) inset, var(--sc-shadow-btn-hover);
    }

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

    .sc-btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.7rem 1.75rem;
      background: transparent;
      color: rgba(var(--sc-ink-rgb),0.85);
      font-family: 'Space Mono', monospace;
      font-weight: 700;
      font-size: 0.72rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      border-radius: 9999px;
      border: 1px solid rgba(var(--sc-ink-rgb),0.18);
      transition: all 0.2s ease;
      cursor: pointer;
    }

    .sc-btn-outline:hover {
      background: rgba(var(--sc-ink-rgb),0.06);
      border-color: rgba(var(--sc-ink-rgb),0.35);
      color: var(--sc-fg);
    }

    /* Fixed-white variants for controls overlaying the hero photo, which
       stays dark regardless of the site theme. */
    .sc-btn-hero {
      background: #ffffff;
      color: #080810;
    }

    .sc-btn-hero:hover {
      background: #e8e8f0;
    }

    .sc-btn-outline-hero {
      color: rgba(255,255,255,0.85);
      border-color: rgba(255,255,255,0.18);
    }

    .sc-btn-outline-hero:hover {
      background: rgba(255,255,255,0.06);
      border-color: rgba(255,255,255,0.35);
      color: #ffffff;
    }

    .sc-input {
      width: 100%;
      padding: 0.75rem 1rem;
      background: rgba(var(--sc-ink-rgb),0.03);
      border: 1px solid rgba(var(--sc-ink-rgb),0.1);
      border-radius: 0.75rem;
      color: var(--sc-fg);
      font-family: 'Inter', sans-serif;
      font-size: 1rem;
      transition: border-color 0.2s ease, background 0.2s ease;
      outline: none;
    }

    .sc-input::placeholder {
      color: rgba(var(--sc-ink-rgb),0.55);
    }

    .sc-input:focus {
      border-color: rgba(var(--sc-ink-rgb),0.28);
      background-color: rgba(var(--sc-ink-rgb),0.05);
    }

    select.sc-input {
      appearance: none;
      -webkit-appearance: none;
      -moz-appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%23eeeef8' stroke-opacity='0.5'%3E%3Cpath d='M5 7.5L10 12.5L15 7.5' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 1rem center;
      background-size: 14px;
      padding-right: 2.5rem;
    }

    :root[data-theme="light"] select.sc-input {
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%230d0d16' stroke-opacity='0.5'%3E%3Cpath d='M5 7.5L10 12.5L15 7.5' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    }

    select.sc-input option {
      background: var(--sc-select-bg);
      color: var(--sc-fg);
      padding: 0.5rem;
    }

    select.sc-input option:checked,
    select.sc-input option:hover {
      background: var(--sc-select-hover-bg);
    }

    textarea.sc-input {
      resize: none;
    }

    .sc-checkbox {
      appearance: none;
      -webkit-appearance: none;
      -moz-appearance: none;
      width: 1.15rem;
      height: 1.15rem;
      flex-shrink: 0;
      border: 1px solid rgba(var(--sc-ink-rgb),0.2);
      border-radius: 0.35rem;
      background: rgba(var(--sc-ink-rgb),0.03);
      cursor: pointer;
      position: relative;
      transition: background 0.2s ease, border-color 0.2s ease;
    }

    .sc-checkbox:hover {
      border-color: rgba(var(--sc-ink-rgb),0.4);
    }

    .sc-checkbox:checked {
      background: var(--sc-btn-bg);
      border-color: var(--sc-btn-bg);
    }

    .sc-checkbox:checked::after {
      content: '';
      position: absolute;
      left: 0.36rem;
      top: 0.15rem;
      width: 0.28rem;
      height: 0.55rem;
      border: solid var(--sc-btn-fg);
      border-width: 0 2px 2px 0;
      transform: rotate(45deg);
    }

    .sc-label {
      display: block;
      font-family: 'Space Mono', monospace;
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: rgba(var(--sc-ink-rgb),0.65);
      margin-bottom: 0.45rem;
    }

    .sc-card {
      background: rgba(var(--sc-ink-rgb),0.025);
      border: 1px solid rgba(var(--sc-ink-rgb),0.07);
      border-radius: 1.25rem;
      transition: border-color 0.3s ease, transform 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
    }

    .sc-card:hover {
      border-color: rgba(var(--sc-ink-rgb),0.14);
      background: rgba(var(--sc-ink-rgb),0.04);
      transform: translateY(-4px);
      box-shadow: var(--sc-shadow-card), 0 1px 0 rgba(var(--sc-ink-rgb),0.06) inset;
    }

    .sc-card-3d {
      background: rgba(var(--sc-ink-rgb),0.025);
      border: 1px solid rgba(var(--sc-ink-rgb),0.07);
      border-radius: 1.25rem;
      transition: border-color 0.3s ease, box-shadow 0.3s ease;
      transform-style: preserve-3d;
      transform: perspective(1000px) rotateX(0deg) rotateY(0deg);
      will-change: transform;
    }

    .sc-card-3d:hover {
      border-color: rgba(var(--sc-ink-rgb),0.14);
      box-shadow: var(--sc-shadow-card-3d), 0 1px 0 rgba(var(--sc-ink-rgb),0.08) inset;
    }

    .sc-badge {
      display: inline-flex;
      align-items: center;
      padding: 0.28rem 0.9rem;
      border: 1px solid rgba(var(--sc-ink-rgb),0.14);
      background: rgba(var(--sc-ink-rgb),0.04);
      border-radius: 9999px;
      font-family: 'Space Mono', monospace;
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: rgba(var(--sc-ink-rgb),0.6);
    }

    .sc-dot-label {
      font-family: 'Space Mono', monospace;
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.2em;
      text-transform: uppercase;
    }

    .text-muted {
      color: rgba(var(--sc-ink-rgb),0.58);
    }

    .text-subtle {
      color: rgba(var(--sc-ink-rgb),0.55);
    }

    .sc-prose {
      color: var(--sc-fg);
      line-height: 1.75;
    }

    .sc-prose > * + * {
      margin-top: 1.1em;
    }

    .sc-prose h1, .sc-prose h2, .sc-prose h3, .sc-prose h4 {
      font-weight: 700;
      line-height: 1.3;
      margin-top: 1.6em;
    }

    .sc-prose h1 { font-size: 1.5em; }
    .sc-prose h2 { font-size: 1.3em; }
    .sc-prose h3 { font-size: 1.15em; }

    .sc-prose a {
      color: inherit;
      text-decoration: underline;
      text-underline-offset: 2px;
      text-decoration-color: rgba(var(--sc-ink-rgb),0.35);
    }

    .sc-prose a:hover {
      text-decoration-color: rgba(var(--sc-ink-rgb),0.7);
    }

    .sc-prose ul, .sc-prose ol {
      padding-left: 1.4em;
    }

    .sc-prose ul { list-style: disc; }
    .sc-prose ol { list-style: decimal; }

    .sc-prose blockquote {
      border-left: 2px solid rgba(var(--sc-ink-rgb),0.2);
      padding-left: 1em;
      color: rgba(var(--sc-ink-rgb),0.7);
    }

    .sc-prose code {
      font-family: 'Space Mono', monospace;
      font-size: 0.85em;
      background: rgba(var(--sc-ink-rgb),0.08);
      padding: 0.15em 0.4em;
      border-radius: 0.35em;
    }

    .sc-prose pre {
      font-family: 'Space Mono', monospace;
      font-size: 0.85em;
      background: rgba(var(--sc-ink-rgb),0.05);
      border: 1px solid rgba(var(--sc-ink-rgb),0.08);
      border-radius: 0.75em;
      padding: 1em;
      overflow-x: auto;
    }

    .sc-prose pre code {
      background: none;
      padding: 0;
    }

    .sc-prose img {
      border-radius: 1em;
      max-width: 100%;
    }

    .sc-toast-container {
      position: fixed;
      top: 5.25rem;
      left: 50%;
      transform: translateX(-50%);
      z-index: 9998;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.6rem;
      width: 100%;
      max-width: 26rem;
      padding: 0 1rem;
      pointer-events: none;
    }

    .sc-toast {
      pointer-events: auto;
      width: 100%;
      display: flex;
      align-items: center;
      gap: 0.75rem;
      padding: 0.85rem 1rem;
      border-radius: 1.1rem;
      background: rgba(var(--sc-surface-rgb),0.97);
      backdrop-filter: blur(24px);
      -webkit-backdrop-filter: blur(24px);
      border: 1px solid rgba(var(--sc-ink-rgb),0.12);
      box-shadow: var(--sc-shadow-glass);
      color: var(--sc-fg);
      font-family: 'Inter', sans-serif;
      font-size: 0.82rem;
      line-height: 1.4;
      opacity: 0;
      transform: translateY(-10px) scale(0.97);
      transition: opacity 0.25s ease, transform 0.25s ease;
    }

    .sc-toast.sc-toast-visible {
      opacity: 1;
      transform: translateY(0) scale(1);
    }

    .sc-toast-icon {
      flex-shrink: 0;
      width: 1.1rem;
      text-align: center;
      font-size: 0.95rem;
    }

    .sc-toast.success .sc-toast-icon { color: #22c55e; }
    .sc-toast.error .sc-toast-icon { color: #ef4444; }
    .sc-toast.info .sc-toast-icon { color: rgba(177,125,246,0.9); }

    .sc-toast-text {
      flex: 1;
    }

    .sc-toast-close {
      flex-shrink: 0;
      width: 1.5rem;
      height: 1.5rem;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 9999px;
      color: rgba(var(--sc-ink-rgb),0.5);
      transition: background 0.2s ease, color 0.2s ease;
      cursor: pointer;
      background: none;
      border: none;
      font-size: 1rem;
      line-height: 1;
      padding: 0;
    }

    .sc-toast-close:hover {
      background: rgba(var(--sc-ink-rgb),0.1);
      color: var(--sc-fg);
    }

    @media (prefers-reduced-motion: reduce) {
      .sc-toast {
        transition: opacity 0.15s linear;
        transform: none;
      }
    }

    .sc-divider {
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(var(--sc-ink-rgb),0.07), transparent);
      margin: 3.5rem 0;
    }

    .sc-section-heading {
      font-family: 'Orbitron', sans-serif;
      font-size: clamp(1.8rem, 4.5vw, 3.2rem);
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      line-height: 1.08;
      color: var(--sc-fg);
    }

    .sc-section-sub {
      font-family: 'Space Mono', monospace;
      font-size: 0.7rem;
      font-weight: 400;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: rgba(var(--sc-ink-rgb),0.58);
      margin-top: 0.85rem;
    }

    .sc-perspective-grid {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(var(--sc-ink-rgb),0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(var(--sc-ink-rgb),0.03) 1px, transparent 1px);
      background-size: 56px 56px;
      mask-image: radial-gradient(ellipse 80% 60% at 50% 100%, transparent 40%, black 100%);
      -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 100%, transparent 40%, black 100%);
      pointer-events: none;
    }

    .sc-depth-ring {
      position: absolute;
      border-radius: 50%;
      border: 1px solid rgba(var(--sc-ink-rgb),0.04);
      pointer-events: none;
    }

    @keyframes sc-float {

      0%,
      100% {
        transform: translateY(0px);
      }

      50% {
        transform: translateY(-6px);
      }
    }

    .sc-float {
      animation: sc-float 4s ease-in-out infinite;
    }

    @keyframes sc-pulse-ring {
      0% {
        transform: scale(0.95);
        opacity: 0.4;
      }

      50% {
        transform: scale(1.05);
        opacity: 0.15;
      }

      100% {
        transform: scale(0.95);
        opacity: 0.4;
      }
    }

    .sc-scan-line {
      position: absolute;
      inset: 0;
      background: repeating-linear-gradient(0deg,
          transparent,
          transparent 2px,
          rgba(0, 0, 0, 0.03) 2px,
          rgba(0, 0, 0, 0.03) 4px);
      pointer-events: none;
      border-radius: inherit;
    }

    .sc-glow-top {
      position: absolute;
      top: -1px;
      left: 20%;
      right: 20%;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(var(--sc-ink-rgb),0.25), transparent);
      border-radius: 50%;
      pointer-events: none;
    }

    .active-nav {
      color: var(--sc-fg) !important;
    }

    .sc-burger {
      position: relative;
      display: inline-block;
      width: 18px;
      height: 14px;
    }

    .sc-burger-bar {
      position: absolute;
      left: 0;
      width: 100%;
      height: 2px;
      background: currentColor;
      border-radius: 2px;
      transition: transform 0.3s ease, opacity 0.3s ease, top 0.3s ease;
    }

    .sc-burger-bar:nth-child(1) {
      top: 0;
    }

    .sc-burger-bar:nth-child(2) {
      top: 6px;
    }

    .sc-burger-bar:nth-child(3) {
      top: 12px;
    }

    #menu-button[aria-expanded="true"] .sc-burger-bar:nth-child(1) {
      top: 6px;
      transform: rotate(45deg);
    }

    #menu-button[aria-expanded="true"] .sc-burger-bar:nth-child(2) {
      opacity: 0;
    }

    #menu-button[aria-expanded="true"] .sc-burger-bar:nth-child(3) {
      top: 6px;
      transform: rotate(-45deg);
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible,
    [tabindex]:focus-visible {
      outline: 2px solid var(--sc-fg);
      outline-offset: 2px;
      border-radius: 4px;
    }

    #sc-q:focus-visible {
      outline: none;
      box-shadow: 0 2px 0 0 rgba(var(--sc-ink-rgb),0.7);
      border-radius: 2px;
    }

    #sc-q::-webkit-search-cancel-button,
    #sc-q::-webkit-search-decoration {
      -webkit-appearance: none;
      appearance: none;
    }

    #sc-search {
      opacity: 0;
      transform: translateY(-0.5rem) scale(0.98);
      transform-origin: top center;
      transition: opacity 0.2s ease, transform 0.2s ease;
    }

    #sc-search.sc-search-open {
      opacity: 1;
      transform: translateY(0) scale(1);
    }

    #mobile-menu {
      opacity: 0;
      transform: translateY(-0.5rem) scale(0.98);
      transform-origin: top center;
      transition: opacity 0.2s ease, transform 0.2s ease;
    }

    #mobile-menu.sc-mobile-menu-open {
      opacity: 1;
      transform: translateY(0) scale(1);
    }

    .skip-link {
      position: absolute;
      top: -100%;
      left: 1rem;
      z-index: 10000;
      padding: 0.75rem 1.25rem;
      background: var(--sc-btn-bg);
      color: var(--sc-btn-fg);
      font-family: 'Space Mono', monospace;
      font-weight: 700;
      font-size: 0.75rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      border-radius: 0.75rem;
      transition: top 0.2s ease;
    }

    .skip-link:focus {
      top: 1rem;
    }

    @media (prefers-reduced-motion: reduce) {

      *,
      *::before,
      *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
      }
    }