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

    :root {
      --black: #020408;
      --dark-1: #060d18;
      --dark-2: #0a1628;
      --dark-3: #0f2040;
      --neon-green: #00ff88;
      --neon-green-d: #00cc6a;
      --neon-blue: #00d4ff;
      --neon-purple: #bd00ff;
      --amber: #ffb800;
      --red: #ff5f56;
      --text: #e2f0ff;
      --text-dim: rgba(160, 200, 255, 0.55);
      --text-dimmer: rgba(100, 150, 200, 0.35);
      --glass: rgba(0, 255, 136, 0.04);
      --glass-border: rgba(0, 255, 136, 0.12);
      --mono: 'JetBrains Mono', monospace;
      --sans: 'Outfit', sans-serif;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--sans);
      background: var(--black);
      color: var(--text);
      min-height: 100vh;
      overflow-x: hidden;
      /*cursor: none;*/
    }

    /* CUSTOM CURSOR */
    #cursor {
      position: fixed;
      z-index: 9999;
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--neon-green);
      box-shadow: 0 0 12px var(--neon-green), 0 0 30px rgba(0, 255, 136, 0.4);
      pointer-events: none;
      transform: translate(-50%, -50%);
      transition: width 0.2s, height 0.2s, background 0.2s;
    }

    #cursor-ring {
      position: fixed;
      z-index: 9998;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      border: 1px solid rgba(0, 255, 136, 0.5);
      pointer-events: none;
      transform: translate(-50%, -50%);
      transition: transform 0.1s, width 0.3s, height 0.3s, opacity 0.3s;
    }

    /* NAV */
    nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 1.2rem 5%;
      background: rgba(2, 4, 8, 0.7);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(0, 255, 136, 0.08);
      animation: slideDown 0.6s ease both;
    }

    .logo-wrap {
      display: flex;
      align-items: center;
      gap: 0.6rem;
    }

    .logo-icon {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--neon-green), var(--neon-blue));
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--mono);
      font-size: 0.9rem;
      font-weight: 800;
      color: #000;
    }

    .logo-text {
      font-family: var(--mono);
      font-weight: 700;
      font-size: 1.15rem;
      color: var(--text);
      letter-spacing: -0.02em;
    }

    .logo-text span {
      color: var(--neon-green);
    }

    .nav-center {
      display: flex;
      gap: 0.2rem;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: 10px;
      padding: 0.3rem;
    }

    .nav-center a {
      font-family: var(--mono);
      font-size: 0.72rem;
      color: var(--text-dim);
      text-decoration: none;
      padding: 0.4rem 1rem;
      border-radius: 7px;
      transition: all 0.2s;
      letter-spacing: 0.03em;
    }

    .nav-center a:hover {
      color: var(--neon-green);
      background: rgba(0, 255, 136, 0.08);
    }

    .nav-center a.active {
      color: var(--neon-green);
      background: rgba(0, 255, 136, 0.1);
    }

    .nav-right {
      display: flex;
      align-items: center;
      gap: 0.8rem;
    }

    .nav-status {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-family: var(--mono);
      font-size: 0.68rem;
      color: var(--text-dim);
    }

    .status-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--neon-green);
      box-shadow: 0 0 8px var(--neon-green);
      animation: blink 2s step-end infinite;
    }

    .nav-btn {
      font-family: var(--mono);
      font-size: 0.72rem;
      font-weight: 600;
      padding: 0.5rem 1.2rem;
      border-radius: 8px;
      border: 1px solid rgba(0, 255, 136, 0.4);
      color: var(--neon-green);
      background: rgba(0, 255, 136, 0.06);
      cursor: none;
      text-decoration: none;
      letter-spacing: 0.05em;
      transition: all 0.2s;
    }

    .nav-btn:hover {
      background: rgba(0, 255, 136, 0.15);
      box-shadow: 0 0 20px rgba(0, 255, 136, 0.2);
    }

    /* HERO */
    .hero {
      position: relative;
      min-height: 100vh;
      display: flex;
      align-items: center;
      padding: 0 5%;
      overflow: hidden;
    }

    /* BACKGROUND LAYERS */
    .bg-base {
      position: absolute;
      inset: 0;
      background:
        radial-gradient(ellipse 70% 70% at 60% 50%, rgba(0, 212, 255, 0.04) 0%, transparent 60%),
        radial-gradient(ellipse 50% 60% at 15% 50%, rgba(0, 255, 136, 0.06) 0%, transparent 55%),
        radial-gradient(ellipse 40% 40% at 50% 100%, rgba(0, 32, 80, 0.8) 0%, transparent 60%),
        linear-gradient(170deg, #020408 0%, #060d18 35%, #0a1628 65%, #060d18 100%);
    }

    /* SCAN LINE EFFECT */
    .scanlines {
      position: absolute;
      inset: 0;
      z-index: 1;
      background: repeating-linear-gradient(0deg,
          transparent,
          transparent 2px,
          rgba(0, 255, 136, 0.012) 2px,
          rgba(0, 255, 136, 0.012) 4px);
      pointer-events: none;
    }

    /* DOT GRID */
    .dot-grid {
      position: absolute;
      inset: 0;
      z-index: 1;
      background-image: radial-gradient(rgba(0, 255, 136, 0.12) 1px, transparent 1px);
      background-size: 32px 32px;
      mask-image: radial-gradient(ellipse 85% 85% at 50% 50%, black 30%, transparent 100%);
      opacity: 0.5;
    }

    /* CORNER BRACKETS */
    .corner {
      position: absolute;
      z-index: 5;
      width: 30px;
      height: 30px;
      border-color: rgba(0, 255, 136, 0.25);
      border-style: solid;
    }

    .corner-tl {
      top: 90px;
      left: 3%;
      border-width: 1px 0 0 1px;
    }

    .corner-tr {
      top: 90px;
      right: 3%;
      border-width: 1px 1px 0 0;
    }

    .corner-bl {
      bottom: 3%;
      left: 3%;
      border-width: 0 0 1px 1px;
    }

    .corner-br {
      bottom: 3%;
      right: 3%;
      border-width: 0 1px 1px 0;
    }

    /* HERO LAYOUT */
    .hero-inner {
      position: relative;
      z-index: 10;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 3rem;
      align-items: center;
      max-width: 1280px;
      width: 100%;
      margin: auto;
      padding-top: 5rem;
    }

    /* LEFT TEXT */
    .hero-text {
      max-width: 540px;
    }

    .file-path {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-family: var(--mono);
      font-size: 0.7rem;
      color: var(--text-dimmer);
      margin-bottom: 1.5rem;
      animation: fadeUp 0.6s 0.1s ease both;
    }

    .file-path-seg {
      color: var(--text-dim);
    }

    .file-path-seg.active {
      color: var(--neon-green);
    }

    .file-path-sep {
      color: var(--text-dimmer);
    }

    .line-number-col {
      display: flex;
      flex-direction: column;
      gap: 0.05rem;
      margin-bottom: 0.5rem;
      animation: fadeUp 0.6s 0.15s ease both;
    }

    .ln {
      font-family: var(--mono);
      font-size: 0.65rem;
      color: rgba(100, 140, 180, 0.3);
      user-select: none;
    } 
    h1 {
      font-family: var(--mono);
      font-size: clamp(2.2rem, 4.2vw, 3.8rem);
      font-weight: 800;
      line-height: 1.1;
      letter-spacing: -0.03em;
      margin-bottom: 1.5rem;
      animation: fadeUp 0.7s 0.2s ease both;
    }

    .h1-line {
      display: block;
    }

    .h1-comment {
      font-size: 0.6em;
      font-weight: 400;
      color: rgba(100, 140, 180, 0.45);
      display: block;
      margin-bottom: 0.3rem;
    }

    .h1-keyword {
      color: var(--neon-purple);
      font-weight: 700;
    }

    .h1-func {
      color: var(--neon-blue);
    }

    .h1-str {
      color: var(--neon-green);
    }

    .h1-paren {
      color: rgba(200, 220, 255, 0.5);
      font-weight: 300;
    }

    .terminal-line {
      font-family: var(--mono);
      font-size: 0.78rem;
      color: var(--text-dim);
      line-height: 1.8;
      margin-bottom: 2.2rem;
      animation: fadeUp 0.7s 0.4s ease both;
      border-left: 2px solid rgba(0, 255, 136, 0.15);
      padding-left: 1rem;
    }

    .tl-prompt {
      color: var(--neon-green);
    }

    .tl-cmd {
      color: var(--neon-blue);
    }

    .tl-arg {
      color: var(--amber);
    }

    .tl-output {
      color: var(--text-dim);
      display: block;
    }

    /* TYPING EFFECT */
    .typing-container {
      font-family: var(--mono);
      font-size: 0.82rem;
      color: var(--text-dim);
      margin-bottom: 2.5rem;
      animation: fadeUp 0.7s 0.5s ease both;
      min-height: 1.5rem;
    }

    .typing-prefix {
      color: var(--neon-green);
      margin-right: 0.4rem;
    }

    #typed-text {
      color: var(--text);
    }

    .cursor-blink {
      display: inline-block;
      width: 2px;
      height: 1em;
      background: var(--neon-green);
      margin-left: 2px;
      vertical-align: text-bottom;
      box-shadow: 0 0 8px var(--neon-green);
      animation: blink 1s step-end infinite;
    }

    /* BUTTONS */
    .btn-row {
      display: flex;
      align-items: center;
      gap: 1rem;
      flex-wrap: wrap;
      animation: fadeUp 0.7s 0.65s ease both;
      margin-bottom: 2.5rem;
    }

    .btn {
      position: relative;
      font-family: var(--mono);
      font-size: 0.82rem;
      font-weight: 700;
      padding: 0.85rem 2rem;
      border-radius: 8px;
      cursor: none;
      border: none;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      letter-spacing: 0.04em;
      overflow: hidden;
      transition: transform 0.2s, box-shadow 0.3s;
    }

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

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

    .btn::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.12) 50%, transparent 60%);
      transform: translateX(-120%);
      transition: transform 0.5s;
    }

    .btn:hover::after {
      transform: translateX(120%);
    }

    .btn-primary {
      background: linear-gradient(135deg, #00cc6a, #00ff88);
      color: #000;
      box-shadow: 0 4px 20px rgba(0, 255, 136, 0.35), 0 0 0 0 rgba(0, 255, 136, 0);
      animation: greenPulse 3s 2s ease-in-out infinite;
    }

    .btn-primary:hover {
      box-shadow: 0 8px 40px rgba(0, 255, 136, 0.6), 0 0 80px rgba(0, 255, 136, 0.2);
    }

    .btn-primary svg {
      width: 16px;
      height: 16px;
    }

    .btn-secondary {
      background: transparent;
      color: var(--text);
      border: 1px solid rgba(0, 212, 255, 0.35);
      box-shadow: inset 0 0 0 0 rgba(0, 212, 255, 0);
      transition: all 0.3s;
    }

    .btn-secondary:hover {
      border-color: rgba(0, 212, 255, 0.7);
      color: var(--neon-blue);
      box-shadow: 0 0 20px rgba(0, 212, 255, 0.2), inset 0 0 20px rgba(0, 212, 255, 0.04);
    }

    .btn-secondary::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
      animation: borderScan 3s 1.5s linear infinite;
    }

    /* TECH TAGS */
    .tech-stack {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      flex-wrap: wrap;
      animation: fadeUp 0.7s 0.8s ease both;
    }

    .tech-label {
      font-family: var(--mono);
      font-size: 0.65rem;
      color: var(--text-dimmer);
      margin-right: 0.3rem;
    }

    .tech-tag {
      font-family: var(--mono);
      font-size: 0.65rem;
      font-weight: 600;
      padding: 0.25rem 0.65rem;
      border-radius: 4px;
      border: 1px solid;
      transition: all 0.2s;
      cursor: none;
    }

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

    .t-js {
      color: #f7df1e;
      border-color: rgba(247, 223, 30, 0.25);
      background: rgba(247, 223, 30, 0.07);
    }

    .t-ts {
      color: #3178c6;
      border-color: rgba(49, 120, 198, 0.35);
      background: rgba(49, 120, 198, 0.08);
    }

    .t-py {
      color: #4ec9b0;
      border-color: rgba(78, 201, 176, 0.3);
      background: rgba(78, 201, 176, 0.07);
    }

    .t-rs {
      color: #f74c00;
      border-color: rgba(247, 76, 0, 0.3);
      background: rgba(247, 76, 0, 0.07);
    }

    .t-go {
      color: #00acd7;
      border-color: rgba(0, 172, 215, 0.3);
      background: rgba(0, 172, 215, 0.07);
    }

    .t-rnk {
      color: #a0a0a0;
      border-color: rgba(160, 160, 160, 0.2);
      background: rgba(160, 160, 160, 0.05);
    }

    /* ─── RIGHT VISUAL: CODE EDITOR ─── */
    .hero-visual {
      position: relative;
      animation: fadeUp 0.9s 0.3s ease both;
    }

    .editor-wrap {
      position: relative;
      border-radius: 16px;
      overflow: hidden;
      box-shadow:
        0 0 0 1px rgba(0, 255, 136, 0.12),
        0 30px 80px rgba(0, 0, 0, 0.7),
        0 0 60px rgba(0, 255, 136, 0.05);
    }

    /* editor glow */
    .editor-wrap::before {
      content: '';
      position: absolute;
      inset: -1px;
      border-radius: 17px;
      background: linear-gradient(135deg, rgba(0, 255, 136, 0.2), transparent 50%, rgba(0, 212, 255, 0.1));
      z-index: -1;
      animation: borderGlow 4s ease-in-out infinite;
    }

    .editor-titlebar {
      background: #1a1a2e;
      padding: 0.75rem 1rem;
      display: flex;
      align-items: center;
      gap: 0.7rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .traffic-lights {
      display: flex;
      gap: 0.5rem;
    }

    .tl {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      cursor: none;
      transition: filter 0.2s;
    }

    .tl:hover {
      filter: brightness(1.3);
    }

    .tl-r {
      background: #ff5f56;
      box-shadow: 0 0 6px rgba(255, 95, 86, 0.4);
    }

    .tl-y {
      background: #ffbd2e;
      box-shadow: 0 0 6px rgba(255, 189, 46, 0.4);
    }

    .tl-g {
      background: #28c840;
      box-shadow: 0 0 6px rgba(40, 200, 64, 0.4);
    }

    .tab-bar {
      display: flex;
      gap: 0.1rem;
      flex: 1;
      margin-left: 0.5rem;
    }

    .tab {
      font-family: var(--mono);
      font-size: 0.68rem;
      color: var(--text-dim);
      padding: 0.3rem 0.8rem;
      border-radius: 5px 5px 0 0;
      display: flex;
      align-items: center;
      gap: 0.4rem;
      cursor: none;
    }

    .tab.active {
      background: #0d1f3c;
      color: var(--text);
      border-top: 1px solid var(--neon-green);
    }

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

    .tab-dot-amber {
      background: var(--amber);
    }

    .editor-body {
      display: grid;
      grid-template-columns: 44px 1fr;
      background: #0d1f3c;
      min-height: 360px;
    }

    .line-nums {
      background: #0a1826;
      border-right: 1px solid rgba(255, 255, 255, 0.05);
      padding: 1.2rem 0;
      text-align: right;
    }

    .line-nums span {
      display: block;
      font-family: var(--mono);
      font-size: 0.68rem;
      color: rgba(100, 140, 180, 0.3);
      line-height: 1.65rem;
      padding-right: 0.8rem;
      user-select: none;
    }

    .line-nums span.active-ln {
      color: rgba(0, 255, 136, 0.5);
    }

    .code-area {
      padding: 1.2rem 1.5rem;
      overflow: hidden;
    }

    .code-line {
      font-family: var(--mono);
      font-size: 0.72rem;
      line-height: 1.65rem;
      white-space: nowrap;
      display: flex;
      align-items: center;
      gap: 0;
    }

    .code-line.hl {
      background: rgba(0, 255, 136, 0.04);
      margin: 0 -1.5rem;
      padding: 0 1.5rem;
      border-left: 2px solid var(--neon-green);
    }

    .code-line.empty {
      height: 1.65rem;
    }

    /* Syntax tokens */
    .kw {
      color: #c792ea;
    }

    /* keyword */
    .fn {
      color: #82aaff;
    }

    /* function */
    .str {
      color: #c3e88d;
    }

    /* string */
    .num {
      color: #f78c6c;
    }

    /* number */
    .cmt {
      color: #546e7a;
      font-style: italic;
    }

    /* comment */
    .cls {
      color: #ffcb6b;
    }

    /* class */
    .var {
      color: #eeffff;
    }

    /* variable */
    .op {
      color: #89ddff;
    }

    /* operator */
    .pun {
      color: #a6accd;
    }

    /* punctuation */
    .prop {
      color: #f07178;
    }

    /* property */
    .ng {
      color: var(--neon-green);
    }

    /* neon accent */

    /* Animated code cursor */
    .code-cursor {
      display: inline-block;
      width: 1.5px;
      height: 0.85em;
      background: var(--neon-green);
      margin-left: 1px;
      vertical-align: middle;
      box-shadow: 0 0 6px var(--neon-green);
      animation: blink 1s step-end infinite;
    }

    /* STATUSBAR */
    .editor-statusbar {
      background: rgba(0, 255, 136, 0.07);
      border-top: 1px solid rgba(0, 255, 136, 0.1);
      padding: 0.3rem 1rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .status-left,
    .status-right {
      display: flex;
      gap: 1rem;
      align-items: center;
    }

    .status-item {
      font-family: var(--mono);
      font-size: 0.6rem;
      color: rgba(0, 255, 136, 0.6);
      display: flex;
      align-items: center;
      gap: 0.3rem;
    }

    .status-branch::before {
      content: '⎇ ';
    }

    /* FLOATING CODE FRAGMENTS */
    .float-frag {
      position: absolute;
      font-family: var(--mono);
      font-size: 0.75rem;
      padding: 0.6rem 0.9rem;
      border-radius: 8px;
      background: rgba(6, 13, 24, 0.85);
      border: 1px solid;
      backdrop-filter: blur(10px);
      pointer-events: none;
      opacity: 0;
      animation: fragReveal 0.5s ease forwards, fragFloat linear infinite;
      white-space: nowrap;
    }

    .frag-1 {
      color: var(--neon-green);
      border-color: rgba(0, 255, 136, 0.2);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 15px rgba(0, 255, 136, 0.08);
      top: -40px;
      right: -20px;
      animation-delay: 1.2s;
      animation-duration: 0.5s, 7s;
    }

    .frag-2 {
      color: var(--neon-blue);
      border-color: rgba(0, 212, 255, 0.2);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 15px rgba(0, 212, 255, 0.08);
      bottom: -30px;
      left: -30px;
      animation-delay: 1.6s;
      animation-duration: 0.5s, 9s;
    }

    .frag-3 {
      color: var(--neon-purple);
      border-color: rgba(189, 0, 255, 0.2);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 15px rgba(189, 0, 255, 0.08);
      top: 40%;
      right: -50px;
      animation-delay: 2s;
      animation-duration: 0.5s, 8s;
    }

    /* MINI TERMINAL below editor */
    .mini-terminal {
      margin-top: 0.8rem;
      background: #070f1e;
      border-radius: 10px;
      border: 1px solid rgba(0, 255, 136, 0.1);
      padding: 0.8rem 1rem;
      font-family: var(--mono);
      font-size: 0.68rem;
      line-height: 1.8;
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    }

    .mt-line {
      display: flex;
      gap: 0.5rem;
    }

    .mt-prompt {
      color: var(--neon-green);
      flex-shrink: 0;
    }

    .mt-cmd {
      color: var(--text);
    }

    .mt-out {
      color: rgba(100, 150, 200, 0.7);
      padding-left: 1.2rem;
    }

    .mt-success {
      color: var(--neon-green);
    }

    .mt-cursor {
      display: inline-block;
      width: 7px;
      height: 0.8em;
      background: var(--neon-green);
      vertical-align: middle;
      animation: blink 1s step-end infinite;
    }

    /* METRICS ROW */
    .metrics-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0.8rem;
      margin-top: 0.8rem;
      animation: fadeUp 0.7s 0.9s ease both;
    }

    .metric-card {
      background: rgba(0, 255, 136, 0.03);
      border: 1px solid rgba(0, 255, 136, 0.08);
      border-radius: 10px;
      padding: 0.8rem;
      transition: all 0.3s;
      cursor: none;
    }

    .metric-card:hover {
      background: rgba(0, 255, 136, 0.06);
      border-color: rgba(0, 255, 136, 0.18);
      transform: translateY(-2px);
    }

    .metric-num {
      font-family: var(--mono);
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--neon-green);
      text-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
    }

    .metric-lbl {
      font-family: var(--mono);
      font-size: 0.6rem;
      color: var(--text-dimmer);
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-top: 0.15rem;
    }

    /* SCROLL */
    .scroll-indicator {
      position: absolute;
      bottom: 2rem;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.4rem;
      z-index: 10;
      animation: fadeUp 1s 1.5s ease both;
    }

    .scroll-text {
      font-family: var(--mono);
      font-size: 0.6rem;
      color: var(--text-dimmer);
      letter-spacing: 0.12em;
    }

    .scroll-track {
      width: 1px;
      height: 50px;
      background: rgba(0, 255, 136, 0.15);
      position: relative;
      overflow: hidden;
    }

    .scroll-track::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 50%;
      background: var(--neon-green);
      box-shadow: 0 0 6px var(--neon-green);
      animation: scrollTrack 2s ease-in-out infinite;
    }

    /* ─── ANIMATIONS ─── */
    @keyframes slideDown {
      from {
        opacity: 0;
        transform: translateY(-24px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(28px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes blink {

      0%,
      100% {
        opacity: 1;
      }

      50% {
        opacity: 0;
      }
    }

    @keyframes greenPulse {

      0%,
      100% {
        box-shadow: 0 4px 20px rgba(0, 255, 136, 0.35);
      }

      50% {
        box-shadow: 0 4px 40px rgba(0, 255, 136, 0.7), 0 0 80px rgba(0, 255, 136, 0.15);
      }
    }

    @keyframes borderScan {
      0% {
        left: -100%;
        top: 0;
      }

      100% {
        left: 200%;
        top: 0;
      }
    }

    @keyframes borderGlow {

      0%,
      100% {
        opacity: 0.5;
      }

      50% {
        opacity: 1;
      }
    }

    @keyframes fragReveal {
      from {
        opacity: 0;
        transform: translateY(8px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes fragFloat {

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

      50% {
        transform: translateY(-10px);
      }
    }

    @keyframes scrollTrack {
      0% {
        top: -50%;
      }

      100% {
        top: 150%;
      }
    }

    /* RESPONSIVE */
    @media (max-width: 900px) {
      .hero-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding-top: 6rem;
        padding-bottom: 4rem;
      }

      .nav-center {
        display: none;
      }

      .frag-1,
      .frag-2,
      .frag-3 {
        display: none;
      }
    }
  
  
    /* ── Section shell ── */
    .features-section {
      position: relative;
      padding: 7rem 5% 8rem;
      overflow: hidden;
      background:
        radial-gradient(ellipse 60% 50% at 50% 0%, rgba(0, 255, 136, 0.04) 0%, transparent 70%),
        radial-gradient(ellipse 40% 40% at 10% 80%, rgba(0, 212, 255, 0.05) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 90% 20%, rgba(189, 0, 255, 0.04) 0%, transparent 60%),
        #020408;
    }

    /* subtle scan-line carry-over */
    .features-section::before {
      content: '';
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: repeating-linear-gradient(0deg, transparent, transparent 2px,
          rgba(0, 255, 136, 0.008) 2px, rgba(0, 255, 136, 0.008) 4px);
    }

    /* ── Section header ── */
    .sec-header {
      text-align: center;
      margin-bottom: 4rem;
      position: relative;
      z-index: 2;
    }

    .sec-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      font-family: var(--mono);
      font-size: 0.7rem;
      font-weight: 600;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--neon-green);
      margin-bottom: 1.2rem;
    }

    .sec-eyebrow-line {
      width: 32px;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--neon-green));
    }

    .sec-eyebrow-line.r {
      background: linear-gradient(90deg, var(--neon-green), transparent);
    }

    .sec-title {
      font-family: var(--mono);
      font-size: clamp(1.8rem, 3.5vw, 2.9rem);
      font-weight: 800;
      letter-spacing: -0.03em;
      color: var(--text);
      line-height: 1.1;
      margin-bottom: 1rem;
    }

    .sec-title .kw {
      color: #c792ea;
    }

    .sec-title .fn {
      color: #82aaff;
    }

    .sec-title .str {
      color: var(--neon-green);
    }

    .sec-title .pun {
      color: rgba(200, 220, 255, 0.4);
    }

    .sec-sub {
      font-family: var(--sans);
      font-size: 0.95rem;
      color: var(--text-dim);
      max-width: 480px;
      margin: 0 auto;
      line-height: 1.7;
    }

    /* ── Cards grid ── */
    .feat-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.4rem;
      max-width: 1280px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    /* ── Single card ── */
    .feat-card {
      position: relative;
      border-radius: 18px;
      padding: 2rem 1.6rem 1.8rem;
      background: rgba(255, 255, 255, 0.025);
      backdrop-filter: blur(18px);
      border: 1px solid rgba(255, 255, 255, 0.07);
      cursor: none;
      overflow: hidden;
      transition:
        transform 0.35s cubic-bezier(.22, 1, .36, 1),
        box-shadow 0.35s ease,
        border-color 0.35s ease,
        background 0.35s ease;
      /* scroll-reveal start state */
      /* opacity: 0; */
      transform: translateY(40px);
    }

    /* animated reveal */
    .feat-card.visible {
      animation: cardReveal 0.6s cubic-bezier(.22, 1, .36, 1) forwards;
    }

    .feat-card:nth-child(1) {
      animation-delay: 0.0s;
    }

    .feat-card:nth-child(2) {
      animation-delay: 0.1s;
    }

    .feat-card:nth-child(3) {
      animation-delay: 0.2s;
    }

    .feat-card:nth-child(4) {
      animation-delay: 0.3s;
    }

    @keyframes cardReveal {
      from {
        opacity: 0;
        transform: translateY(40px) scale(0.97);
      }

      to {
        opacity: 1;
        transform: translateY(0) scale(1);
      }
    }

    /* ── Neon glow outline per card ── */
    .feat-card::before {
      content: '';
      position: absolute;
      inset: -1px;
      border-radius: 19px;
      opacity: 0;
      transition: opacity 0.35s ease;
      z-index: 0;
    }

    /* color-coded per card */
    .card-mentor::before {
      background: linear-gradient(135deg, rgba(0, 255, 136, 0.5), rgba(0, 255, 136, 0.05));
    }

    .card-career::before {
      background: linear-gradient(135deg, rgba(0, 212, 255, 0.5), rgba(0, 212, 255, 0.05));
    }

    .card-cert::before {
      background: linear-gradient(135deg, rgba(189, 0, 255, 0.5), rgba(189, 0, 255, 0.05));
    }

    .card-projects::before {
      background: linear-gradient(135deg, rgba(255, 184, 0, 0.5), rgba(255, 184, 0, 0.05));
    }

    /* ── Hover states ── */
    .feat-card:hover {
      transform: translateY(-10px) scale(1.02);
      background: rgba(255, 255, 255, 0.045);
    }

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

    .card-mentor:hover {
      border-color: rgba(0, 255, 136, 0.45);
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 255, 136, 0.12);
    }

    .card-career:hover {
      border-color: rgba(0, 212, 255, 0.45);
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 212, 255, 0.12);
    }

    .card-cert:hover {
      border-color: rgba(189, 0, 255, 0.45);
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(189, 0, 255, 0.12);
    }

    .card-projects:hover {
      border-color: rgba(255, 184, 0, 0.45);
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(255, 184, 0, 0.12);
    }

    /* inner shine sweep */
    .feat-card::after {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 60%;
      height: 100%;
      background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.04) 50%, transparent 60%);
      transition: left 0.6s ease;
      z-index: 1;
    }

    .feat-card:hover::after {
      left: 150%;
    }

    /* all card children above pseudo */
    .feat-card>* {
      position: relative;
      z-index: 2;
    }

    /* ── Icon box ── */
    .feat-icon-wrap {
      width: 58px;
      height: 58px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1.4rem;
      position: relative;
      transition: transform 0.35s ease;
    }

    .feat-card:hover .feat-icon-wrap {
      transform: scale(1.1) rotate(-3deg);
    }

    .feat-icon-wrap svg {
      width: 28px;
      height: 28px;
    }

    /* icon bg per card */
    .card-mentor .feat-icon-wrap {
      background: rgba(0, 255, 136, 0.1);
      border: 1px solid rgba(0, 255, 136, 0.2);
    }

    .card-career .feat-icon-wrap {
      background: rgba(0, 212, 255, 0.1);
      border: 1px solid rgba(0, 212, 255, 0.2);
    }

    .card-cert .feat-icon-wrap {
      background: rgba(189, 0, 255, 0.1);
      border: 1px solid rgba(189, 0, 255, 0.2);
    }

    .card-projects .feat-icon-wrap {
      background: rgba(255, 184, 0, 0.1);
      border: 1px solid rgba(255, 184, 0, 0.2);
    }

    /* glow dot */
    .feat-icon-wrap::after {
      content: '';
      position: absolute;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      top: -2px;
      right: -2px;
      animation: dotPing 2.5s ease-in-out infinite;
    }

    .card-mentor .feat-icon-wrap::after {
      background: var(--neon-green);
      box-shadow: 0 0 8px var(--neon-green);
    }

    .card-career .feat-icon-wrap::after {
      background: var(--neon-blue);
      box-shadow: 0 0 8px var(--neon-blue);
      animation-delay: .5s;
    }

    .card-cert .feat-icon-wrap::after {
      background: var(--neon-purple);
      box-shadow: 0 0 8px var(--neon-purple);
      animation-delay: 1s;
    }

    .card-projects .feat-icon-wrap::after {
      background: var(--amber);
      box-shadow: 0 0 8px var(--amber);
      animation-delay: 1.5s;
    }

    @keyframes dotPing {

      0%,
      100% {
        transform: scale(1);
        opacity: 1;
      }

      50% {
        transform: scale(1.6);
        opacity: 0.5;
      }
    }

    /* ── Card label (code-style) ── */
    .feat-label {
      font-family: var(--mono);
      font-size: 0.65rem;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      margin-bottom: 0.5rem;
    }

    .card-mentor .feat-label {
      color: rgba(0, 255, 136, 0.55);
    }

    .card-career .feat-label {
      color: rgba(0, 212, 255, 0.55);
    }

    .card-cert .feat-label {
      color: rgba(189, 0, 255, 0.55);
    }

    .card-projects .feat-label {
      color: rgba(255, 184, 0, 0.55);
    }

    /* ── Card title (syntax-highlighted) ── */
    .feat-title {
      font-family: var(--mono);
      font-size: 1.05rem;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 0.9rem;
      letter-spacing: -0.01em;
    }

    .ft-tag {
      color: rgba(200, 220, 255, 0.45);
      font-weight: 300;
    }

    .ft-green {
      color: var(--neon-green);
    }

    .ft-blue {
      color: var(--neon-blue);
    }

    .ft-purp {
      color: var(--neon-purple);
    }

    .ft-amber {
      color: var(--amber);
    }

    .ft-name {
      color: var(--text);
    }

    /* ── Card body ── */
    .feat-body {
      font-family: var(--sans);
      font-size: 0.82rem;
      color: var(--text-dim);
      line-height: 1.7;
      margin-bottom: 1.5rem;
    }

    /* ── Mini code snippet ── */
    .feat-snippet {
      font-family: var(--mono);
      font-size: 0.62rem;
      padding: 0.7rem 0.9rem;
      border-radius: 8px;
      background: rgba(0, 0, 0, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.06);
      line-height: 1.7;
      margin-bottom: 1.4rem;
    }

    .sn-cmt {
      color: rgba(100, 140, 180, 0.5);
      font-style: italic;
    }

    .sn-kw {
      color: #c792ea;
    }

    .sn-fn {
      color: #82aaff;
    }

    .sn-str {
      color: #c3e88d;
    }

    .sn-num {
      color: #f78c6c;
    }

    .sn-g {
      color: var(--neon-green);
    }

    .sn-b {
      color: var(--neon-blue);
    }

    .sn-p {
      color: var(--neon-purple);
    }

    .sn-a {
      color: var(--amber);
    }

    .sn-dim {
      color: rgba(160, 180, 220, 0.4);
    }

    /* ── Progress / stat bar ── */
    .feat-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-top: auto;
    }

    .feat-stat {
      font-family: var(--mono);
      font-size: 0.65rem;
      color: var(--text-dimmer);
      display: flex;
      flex-direction: column;
      gap: 0.2rem;
    }

    .feat-stat strong {
      font-size: 1rem;
      font-weight: 800;
    }

    .card-mentor .feat-stat strong {
      color: var(--neon-green);
      text-shadow: 0 0 12px rgba(0, 255, 136, 0.5);
    }

    .card-career .feat-stat strong {
      color: var(--neon-blue);
      text-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
    }

    .card-cert .feat-stat strong {
      color: var(--neon-purple);
      text-shadow: 0 0 12px rgba(189, 0, 255, 0.5);
    }

    .card-projects .feat-stat strong {
      color: var(--amber);
      text-shadow: 0 0 12px rgba(255, 184, 0, 0.5);
    }

    .feat-pill {
      font-family: var(--mono);
      font-size: 0.6rem;
      font-weight: 600;
      padding: 0.25rem 0.65rem;
      border-radius: 50px;
      border: 1px solid;
      letter-spacing: 0.05em;
      transition: all 0.3s;
    }

    .feat-card:hover .feat-pill {
      transform: scale(1.05);
    }

    .card-mentor .feat-pill {
      color: var(--neon-green);
      border-color: rgba(0, 255, 136, 0.3);
      background: rgba(0, 255, 136, 0.08);
    }

    .card-career .feat-pill {
      color: var(--neon-blue);
      border-color: rgba(0, 212, 255, 0.3);
      background: rgba(0, 212, 255, 0.08);
    }

    .card-cert .feat-pill {
      color: var(--neon-purple);
      border-color: rgba(189, 0, 255, 0.3);
      background: rgba(189, 0, 255, 0.08);
    }

    .card-projects .feat-pill {
      color: var(--amber);
      border-color: rgba(255, 184, 0, 0.3);
      background: rgba(255, 184, 0, 0.08);
    }

    /* ── Divider ── */
    .feat-divider {
      height: 1px;
      background: rgba(255, 255, 255, 0.05);
      margin: 1.2rem 0;
      position: relative;
      overflow: hidden;
    }

    .feat-divider::after {
      content: '';
      position: absolute;
      left: -100%;
      top: 0;
      width: 60%;
      height: 100%;
      transition: left 0.5s ease;
    }

    .card-mentor .feat-divider::after {
      background: linear-gradient(90deg, transparent, var(--neon-green), transparent);
    }

    .card-career .feat-divider::after {
      background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
    }

    .card-cert .feat-divider::after {
      background: linear-gradient(90deg, transparent, var(--neon-purple), transparent);
    }

    .card-projects .feat-divider::after {
      background: linear-gradient(90deg, transparent, var(--amber), transparent);
    }

    .feat-card:hover .feat-divider::after {
      left: 100%;
    }

    /* ── Bottom CTA link ── */
    .feat-link {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      font-family: var(--mono);
      font-size: 0.68rem;
      font-weight: 600;
      text-decoration: none;
      letter-spacing: 0.06em;
      transition: gap 0.3s, opacity 0.3s;
      cursor: none;
    }

    .feat-link:hover {
      gap: 0.7rem;
    }

    .card-mentor .feat-link {
      color: var(--neon-green);
    }

    .card-career .feat-link {
      color: var(--neon-blue);
    }

    .card-cert .feat-link {
      color: var(--neon-purple);
    }

    .card-projects .feat-link {
      color: var(--amber);
    }

    .feat-link svg {
      width: 13px;
      height: 13px;
      transition: transform 0.3s;
    }

    .feat-link:hover svg {
      transform: translateX(3px);
    }

    /* ── Bottom strip ── */
    .feat-bottom {
      text-align: center;
      margin-top: 3.5rem;
      position: relative;
      z-index: 2;
    }

    .feat-bottom-line {
      font-family: var(--mono);
      font-size: 0.7rem;
      color: var(--text-dimmer);
      margin-bottom: 1.2rem;
    }

    .feat-bottom-line span {
      color: var(--neon-green);
    }

    .feat-cta-row {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 1rem;
    }

    .feat-cta {
      font-family: var(--mono);
      font-size: 0.78rem;
      font-weight: 700;
      padding: 0.75rem 1.8rem;
      border-radius: 8px;
      text-decoration: none;
      cursor: none;
      transition: all 0.3s;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      letter-spacing: 0.04em;
    }

    .feat-cta-primary {
      background: linear-gradient(135deg, #00cc6a, #00ff88);
      color: #000;
      box-shadow: 0 4px 20px rgba(0, 255, 136, 0.3);
    }

    .feat-cta-primary:hover {
      box-shadow: 0 8px 40px rgba(0, 255, 136, 0.55);
      transform: translateY(-2px);
    }

    .feat-cta-ghost {
      color: var(--text-dim);
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(255, 255, 255, 0.03);
    }

    .feat-cta-ghost:hover {
      border-color: rgba(255, 255, 255, 0.2);
      color: var(--text);
      transform: translateY(-2px);
    }

    /* ── Responsive ── */
    @media (max-width: 1000px) {
      .feat-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 600px) {
      .feat-grid {
        grid-template-columns: 1fr;
      }
    }
  
  
    /* ── Section wrapper ── */
    .courses-section {
      position: relative;
      padding: 6rem 0 7rem;
      overflow: hidden;
      background:
        radial-gradient(ellipse 55% 60% at 80% 50%, rgba(0, 212, 255, 0.04) 0%, transparent 65%),
        radial-gradient(ellipse 45% 45% at 5% 60%, rgba(0, 255, 136, 0.035) 0%, transparent 60%),
        #020408;
    }

    .courses-section::before {
      content: '';
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: repeating-linear-gradient(0deg, transparent, transparent 2px,
          rgba(0, 255, 136, 0.007) 2px, rgba(0, 255, 136, 0.007) 4px);
    }

    /* ── Section header ── */
    .cs-header {
      padding: 0 5%;
      margin-bottom: 2.5rem;
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 1rem;
      position: relative;
      z-index: 2;
    }

    .cs-header-left {

      display: flex;
      flex-direction: column;
      gap: 0.6rem;
    }

    .cs-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      font-family: var(--mono);
      font-size: 0.7rem;
      font-weight: 600;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--neon-blue);
      margin-bottom: 0.9rem;
    }

    .cs-eyebrow-line {
      width: 32px;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--neon-blue));
    }

    .cs-eyebrow-line.r {
      background: linear-gradient(90deg, var(--neon-blue), transparent);
    }

    .cs-title {
      font-family: var(--mono);
      font-size: clamp(1.7rem, 3vw, 2.6rem);
      font-weight: 800;
      letter-spacing: -0.03em;
      line-height: 1.1;
      color: var(--text);
    }

    .cs-title .ck {
      color: #c792ea;
    }

    .cs-title .cf {
      color: #82aaff;
    }

    .cs-title .cs-str {
      color: var(--neon-green);
    }

    .cs-title .cp {
      color: rgba(200, 220, 255, 0.35);
    }

    .cs-sub {
      font-family: var(--sans);
      font-size: 0.88rem;
      color: var(--text-dim);
      line-height: 1.6;
      margin-top: 0.6rem;
      max-width: 480px;
    }

    /* filter tabs */
    .cs-filters {
      display: flex;
      gap: 0.4rem;
      background: rgba(255, 255, 255, 0.025);
      border: 1px solid rgba(255, 255, 255, 0.07);
      border-radius: 10px;
      padding: 0.3rem;
      flex-shrink: 0;
      align-self: flex-start;
    }

    .cs-filter {
      font-family: var(--mono);
      font-size: 0.68rem;
      font-weight: 600;
      padding: 0.4rem 0.9rem;
      border-radius: 7px;
      color: var(--text-dim);
      cursor: none;
      border: none;
      background: transparent;
      letter-spacing: 0.04em;
      transition: all 0.2s;
    }

    .cs-filter.active {
      background: rgba(0, 212, 255, 0.12);
      color: var(--neon-blue);
      border: 1px solid rgba(0, 212, 255, 0.25);
    }

    .cs-filter:hover:not(.active) {
      color: var(--text);
      background: rgba(255, 255, 255, 0.04);
    }

    /* ── Row label ── */
    .cs-row-label {
      padding: 0 5%;
      font-family: var(--mono);
      font-size: 0.72rem;
      font-weight: 600;
      color: var(--text-dim);
      letter-spacing: 0.1em;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 0.8rem;
      position: relative;
      z-index: 2;
    }

    .cs-row-label::after {
      content: '';
      flex: 1;
      height: 1px;
      background: linear-gradient(90deg, rgba(255, 255, 255, 0.06), transparent);
    }

    .cs-row-label .rn {
      color: rgba(100, 140, 180, 0.4);
      margin-right: 0.3rem;
    }

    /* ── Netflix scroll track ── */
    .cs-track-wrap {
      position: relative;
    }

    .cs-track {
      display: flex;
      gap: 1.2rem;
      padding: 0.5rem 5% 2rem;
      overflow-x: auto;
      scroll-behavior: smooth;
      scrollbar-width: none;
      cursor: grab;
      position: relative;
      z-index: 2;
    }

    .cs-track::-webkit-scrollbar {
      display: none;
    }

    .cs-track:active {
      cursor: grabbing;
    }

    /* fade edges */
    .cs-track-wrap::before,
    .cs-track-wrap::after {
      content: '';
      position: absolute;
      top: 0;
      bottom: 2rem;
      width: 80px;
      z-index: 5;
      pointer-events: none;
    }

    .cs-track-wrap::before {
      left: 0;
      background: linear-gradient(90deg, #020408, transparent);
    }

    .cs-track-wrap::after {
      right: 0;
      background: linear-gradient(270deg, #020408, transparent);
    }

    /* ── Scroll arrows ── */
    .cs-arrow {
      position: absolute;
      top: 50%;
      transform: translateY(-60%);
      z-index: 10;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(10, 22, 40, 0.9);
      backdrop-filter: blur(10px);
      color: var(--text);
      font-size: 1rem;
      cursor: none;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.2s;
      opacity: 0.7;
    }

    .cs-arrow:hover {
      opacity: 1;
      border-color: rgba(0, 212, 255, 0.4);
      color: var(--neon-blue);
      box-shadow: 0 0 20px rgba(0, 212, 255, 0.15);
    }

    .cs-arrow-l {
      left: 1.5%;
    }

    .cs-arrow-r {
      right: 1.5%;
    }

    /* ── COURSE CARD ── */
    .course-card {
      flex: 0 0 310px;
      border-radius: 14px;
      background: rgba(10, 22, 40, 0.7);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, 0.07);
      overflow: hidden;
      transition: transform 0.35s cubic-bezier(.22, 1, .36, 1), box-shadow 0.35s ease, border-color 0.35s;
      cursor: none;
      position: relative;
    }

    .course-card:hover {
      transform: translateY(-8px) scale(1.015);
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7);
    }

    /* color accent per category */
    .cc-web:hover {
      border-color: rgba(0, 162, 255, 0.562);
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 212, 255, 0.08);
    }

    .cc-backend:hover {
      border-color: rgba(0, 255, 136, 0.4);
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 255, 136, 0.08);
    }

    .cc-ml:hover {
      border-color: rgba(189, 0, 255, 0.4);
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 30px rgba(189, 0, 255, 0.08);
    }

    .cc-mobile:hover {
      border-color: rgba(255, 184, 0, 0.4);
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 30px rgba(255, 184, 0, 0.08);
    }

    .cc-devops:hover {
      border-color: rgba(255, 95, 86, 0.4);
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 30px rgba(255, 95, 86, 0.08);
    }

    .cc-security:hover {
      border-color: rgba(255, 184, 0, 0.45);
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 30px rgba(255, 184, 0, 0.1);
    }

    /* ── Card top bar (like editor titlebar) ── */
    .cc-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.65rem 1rem;
      background: rgba(0, 0, 0, 0.3);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .cc-dots {
      display: flex;
      gap: 5px;
    }

    .cc-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
    }

    .cc-dot-r {
      background: #ff5f56;
      box-shadow: 0 0 5px rgba(255, 95, 86, 0.4);
    }

    .cc-dot-y {
      background: #ffbd2e;
      box-shadow: 0 0 5px rgba(255, 189, 46, 0.4);
    }

    .cc-dot-g {
      background: #28c840;
      box-shadow: 0 0 5px rgba(40, 200, 64, 0.4);
    }

    .cc-filename {
      font-family: var(--mono);
      font-size: 0.62rem;
      color: var(--text-dim);
      display: flex;
      align-items: center;
      gap: 0.4rem;
    }

    .cc-file-dot {
      width: 5px;
      height: 5px;
      border-radius: 50%;
    }

    /* ── Access tag  ── */
    .cc-tag {
      font-family: var(--mono);
      font-size: 0.58rem;
      font-weight: 700;
      padding: 0.2rem 0.55rem;
      border-radius: 4px;
      letter-spacing: 0.08em;
    }

    .tag-free {
      color: #28c840;
      background: rgba(40, 200, 64, 0.12);
      border: 1px solid rgba(40, 200, 64, 0.3);
    }

    .tag-premium {
      color: var(--amber);
      background: rgba(255, 184, 0, 0.1);
      border: 1px solid rgba(255, 184, 0, 0.3);
    }

    .tag-locked {
      color: rgba(160, 180, 220, 0.5);
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    /* ── Code body ── */
    .cc-code {
      padding: 1.1rem 1.1rem 0.8rem;
      font-family: var(--mono);
      font-size: 0.67rem;
      line-height: 1.7;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      min-height: 130px;
    }

    .cc-ln {
      display: flex;
      gap: 0.8rem;
    }

    .cc-n {
      color: rgba(100, 140, 180, 0.3);
      user-select: none;
      flex-shrink: 0;
      width: 14px;
      text-align: right;
    }

    .cc-t {
      flex: 1;
    }

    /* tokens */
    .tk {
      color: #c792ea;
    }

    /* keyword */
    .tf {
      color: #82aaff;
    }

    /* function/class */
    .ts {
      color: #c3e88d;
    }

    /* string */
    .tn {
      color: #f78c6c;
    }

    /* number */
    .tc {
      color: #546e7a;
      font-style: italic;
    }

    /* comment */
    .tg {
      color: var(--neon-green);
    }

    .tb {
      color: var(--neon-blue);
    }

    .tp {
      color: var(--neon-purple);
    }

    .ta {
      color: var(--amber);
    }

    .td {
      color: rgba(180, 200, 230, 0.5);
    }

    .tw {
      color: #eeffff;
    }

    /* plain */

    /* ── Card body info ── */
    .cc-info {
      padding: 1rem 1.1rem 0;
    }

    .cc-course-name {
      font-family: var(--mono);
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 0.3rem;
      line-height: 1.3;
    }

    .cc-desc {
      font-family: var(--sans);
      font-size: 0.75rem;
      color: var(--text-dim);
      line-height: 1.55;
      margin-bottom: 0.9rem;
    }

    /* ── Instructor row ── */
    .cc-instructor {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      margin-bottom: 0.8rem;
    }

    .cc-avatar {
      width: 26px;
      height: 26px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.7rem;
      font-weight: 700;
      color: #000;
      flex-shrink: 0;
      border: 1.5px solid;
    }

    .cc-instructor-name {
      font-family: var(--mono);
      font-size: 0.65rem;
      color: var(--text-dim);
    }

    .cc-instructor-name strong {
      color: var(--text);
      font-weight: 600;
      display: block;
    }

    /* ── Stars + meta ── */
    .cc-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.75rem 1.1rem;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      background: rgba(0, 0, 0, 0.2);
    }

    .cc-stars {
      display: flex;
      align-items: center;
      gap: 0.3rem;
    }

    .stars-row {
      display: flex;
      gap: 2px;
    }

    .star {
      font-size: 0.7rem;
      line-height: 1;
    }

    .star.full {
      color: var(--amber);
      text-shadow: 0 0 6px rgba(255, 184, 0, 0.5);
    }

    .star.half {
      color: var(--amber);
      opacity: 0.5;
    }

    .star.empty {
      color: rgba(255, 255, 255, 0.15);
    }

    .cc-rating-num {
      font-family: var(--mono);
      font-size: 0.65rem;
      color: var(--text-dim);
    }

    .cc-students {
      font-family: var(--mono);
      font-size: 0.6rem;
      color: var(--text-dimmer);
    }

    /* ── Enroll button ── */
    .cc-enroll-wrap {
      padding: 0.85rem 1.1rem;
    }

    .cc-enroll {
      width: 100%;
      font-family: var(--mono);
      font-size: 0.72rem;
      font-weight: 700;
      padding: 0.65rem 0;
      border-radius: 8px;
      border: none;
      cursor: none;
      letter-spacing: 0.06em;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      position: relative;
      overflow: hidden;
      transition: all 0.3s;
    }

    .cc-enroll::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 60%;
      height: 100%;
      background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.15) 50%, transparent 60%);
      transition: left 0.5s;
    }

    .cc-enroll:hover::before {
      left: 150%;
    }

    .cc-enroll svg {
      width: 13px;
      height: 13px;
      transition: transform 0.3s;
    }

    .cc-enroll:hover svg {
      transform: translateX(3px);
    }

    /* enroll color variants */
    .enroll-blue {
      background: linear-gradient(135deg, #0077cc, #00d4ff);
      color: #000;
      box-shadow: 0 3px 16px rgba(0, 212, 255, 0.3);
    }

    .enroll-blue:hover {
      box-shadow: 0 6px 30px rgba(0, 212, 255, 0.55);
      transform: translateY(-1px);
    }

    .enroll-green {
      background: linear-gradient(135deg, #00cc6a, #00ff88);
      color: #000;
      box-shadow: 0 3px 16px rgba(0, 255, 136, 0.3);
    }

    .enroll-green:hover {
      box-shadow: 0 6px 30px rgba(0, 255, 136, 0.55);
      transform: translateY(-1px);
    }

    .enroll-purple {
      background: linear-gradient(135deg, #7700cc, #bd00ff);
      color: #fff;
      box-shadow: 0 3px 16px rgba(189, 0, 255, 0.3);
    }

    .enroll-purple:hover {
      box-shadow: 0 6px 30px rgba(189, 0, 255, 0.55);
      transform: translateY(-1px);
    }

    .enroll-amber {
      background: linear-gradient(135deg, #cc8800, #ffb800);
      color: #000;
      box-shadow: 0 3px 16px rgba(255, 184, 0, 0.3);
    }

    .enroll-amber:hover {
      box-shadow: 0 6px 30px rgba(255, 184, 0, 0.55);
      transform: translateY(-1px);
    }

    .enroll-red {
      background: linear-gradient(135deg, #cc2200, #ff5f38);
      color: #fff;
      box-shadow: 0 3px 16px rgba(255, 95, 56, 0.3);
    }

    .enroll-red:hover {
      box-shadow: 0 6px 30px rgba(255, 95, 56, 0.55);
      transform: translateY(-1px);
    }

    .enroll-locked {
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-dim);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .enroll-locked:hover {
      background: rgba(255, 255, 255, 0.07);
    }

    /* ── Second row ── */
    .cs-row2 {
      margin-top: 1.5rem;
    }

    /* ── Bottom CTA ── */
    .cs-bottom {
      text-align: center;
      padding: 3rem 5% 0;
      position: relative;
      z-index: 2;
    }

    .cs-bottom-code {
      font-family: var(--mono);
      font-size: 0.72rem;
      color: var(--text-dimmer);
      margin-bottom: 1.5rem;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
    }

    .cs-bottom-code .gb {
      color: var(--neon-green);
    }

    .cs-bottom-btns {
      display: flex;
      gap: 1rem;
      justify-content: center;
      align-items: center;
      flex-wrap: wrap;
    }

    .cs-btn {
      font-family: var(--mono);
      font-size: 0.78rem;
      font-weight: 700;
      padding: 0.75rem 2rem;
      border-radius: 8px;
      text-decoration: none;
      cursor: none;
      transition: all 0.3s;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      letter-spacing: 0.04em;
    }

    .cs-btn-main {
      background: linear-gradient(135deg, #00cc6a, #00ff88);
      color: #000;
      box-shadow: 0 4px 20px rgba(0, 255, 136, 0.3);
    }

    .cs-btn-main:hover {
      box-shadow: 0 8px 40px rgba(0, 255, 136, 0.55);
      transform: translateY(-2px);
    }

    .cs-btn-ghost {
      color: var(--text-dim);
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(255, 255, 255, 0.03);
    }

    .cs-btn-ghost:hover {
      border-color: rgba(255, 255, 255, 0.2);
      color: var(--text);
      transform: translateY(-2px);
    }

    /* responsive */
    @media(max-width:768px) {
      .cs-header {
        flex-direction: column;
        align-items: flex-start;
      }

      .cs-filters {
        overflow-x: auto;
      }

      .course-card {
        flex: 0 0 280px;
      }
    }
  
  
    .about-section {
      position: relative;
      padding: 7rem 5%;
      overflow: hidden;
      background:
        radial-gradient(ellipse 60% 60% at 30% 50%, rgba(0,212,255,0.04) 0%, transparent 65%),
        radial-gradient(ellipse 45% 45% at 80% 30%, rgba(0,255,136,0.04) 0%, transparent 60%),
        #020408;
    }
    .about-section::before {
      content: '';
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,255,136,0.007) 2px, rgba(0,255,136,0.007) 4px);
    }
    .about-inner {
      max-width: 1100px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .about-left { 

      z-index: 2;
    }
    .about-eyebrow {
      font-family: var(--mono);
      font-size: 0.7rem;
      font-weight: 600;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--neon-blue);
      display: flex;
      align-items: center;
      gap: 0.6rem;
      margin-bottom: 1.4rem;
    }
    .about-eyebrow-line { width:32px; height:1px; background:linear-gradient(90deg,transparent,var(--neon-blue)); }
    .about-eyebrow-line.r { background:linear-gradient(90deg,var(--neon-blue),transparent); }
    .about-h2 {
      font-family: var(--mono);
      font-size: clamp(1.6rem,2.8vw,2.4rem);
      font-weight: 800;
      letter-spacing: -0.03em;
      line-height: 1.15;
      margin-bottom: 1.6rem;
    }
    .about-h2 .ak { color:#c792ea; }
    .about-h2 .af { color:#82aaff; }
    .about-h2 .as_ { color:var(--neon-green); }
    .about-p {
      font-family: var(--sans);
      font-size: 0.92rem;
      color: var(--text-dim);
      line-height: 1.8;
      margin-bottom: 1.2rem;
    }
    .about-p strong { color: var(--text); font-weight: 600; }
    .about-right {
      background: rgba(10,22,40,0.6);
      border: 1px solid rgba(0,255,136,0.12);
      border-radius: 16px;
      padding: 2rem;
      font-family: var(--mono);
      font-size: 0.72rem;
      line-height: 1.9;
    }
    .about-code-cmt { color: rgba(100,140,180,0.5); font-style: italic; }
    .about-code-kw { color: #c792ea; }
    .about-code-fn { color: #82aaff; }
    .about-code-str { color: #c3e88d; }
    .about-code-num { color: var(--neon-green); font-weight: 700; }
    .about-stat-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
      margin-top: 2rem;
    }
    .about-stat {
      background: rgba(0,255,136,0.03);
      border: 1px solid rgba(0,255,136,0.1);
      border-radius: 10px;
      padding: 1rem;
      text-align: center;
    }
    .about-stat-num {
      font-family: var(--mono);
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--neon-green);
      text-shadow: 0 0 20px rgba(0,255,136,0.4);
      display: block;
    }
    .about-stat-label {
      font-family: var(--mono);
      font-size: 0.6rem;
      color: var(--text-dimmer);
      text-transform: uppercase;
      letter-spacing: 0.1em;
      margin-top: 0.2rem;
    }
    @media(max-width:800px) { .about-inner { grid-template-columns:1fr; } }
  
  
    .hiw-section {
      position: relative;
      padding: 7rem 5%;
      overflow: hidden;
      background:
        radial-gradient(ellipse 50% 60% at 50% 100%, rgba(189,0,255,0.04) 0%, transparent 65%),
        radial-gradient(ellipse 40% 40% at 90% 10%, rgba(0,212,255,0.04) 0%, transparent 60%),
        #060d18;
    }
    .hiw-section::before {
      content:'';
      position:absolute;
      inset:0;
      pointer-events:none;
      background: repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,255,136,0.007) 2px,rgba(0,255,136,0.007) 4px);
    }
    .hiw-header { text-align:center; margin-bottom:4rem; position:relative; z-index:2; }
    .hiw-eyebrow {
      display:inline-flex; align-items:center; gap:0.6rem;
      font-family:var(--mono); font-size:0.7rem; font-weight:600;
      letter-spacing:0.18em; text-transform:uppercase;
      color:var(--neon-purple); margin-bottom:1.2rem;
    }
    .hiw-eyebrow-line { width:32px; height:1px; background:linear-gradient(90deg,transparent,var(--neon-purple)); }
    .hiw-eyebrow-line.r { background:linear-gradient(90deg,var(--neon-purple),transparent); }
    .hiw-h2 {
      font-family:var(--mono);
      font-size:clamp(1.8rem,3.5vw,2.9rem);
      font-weight:800;
      letter-spacing:-0.03em;
      color:var(--text);
      line-height:1.1;
      margin-bottom:0.8rem;
    }
    .hiw-h2 .hk { color:#c792ea; }
    .hiw-h2 .hf { color:#82aaff; }
    .hiw-h2 .hs { color:var(--neon-green); }
    .hiw-sub { font-family:var(--sans); font-size:0.88rem; color:var(--text-dim); line-height:1.6; max-width:460px; margin:0 auto; }
    .hiw-steps {
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:2rem;
      max-width:1000px;
      margin:0 auto;
      position:relative;
      z-index:2;
    }
    .hiw-connector {
      position:absolute;
      top:3.5rem;
      left:calc(33.3% - 10px);
      right:calc(33.3% - 10px);
      height:1px;
      background:linear-gradient(90deg, var(--neon-green), var(--neon-blue), var(--neon-purple));
      opacity:0.2;
      z-index:1;
    }
    .hiw-step {
      background:rgba(10,22,40,0.7);
      border:1px solid rgba(255,255,255,0.07);
      border-radius:16px;
      padding:2rem 1.5rem;
      text-align:center;
      position:relative;
      z-index:2;
      transition:all 0.3s;
    }
    .hiw-step:hover {
      border-color:rgba(0,255,136,0.25);
      transform:translateY(-4px);
      box-shadow:0 20px 50px rgba(0,0,0,0.4), 0 0 30px rgba(0,255,136,0.06);
    }
    .hiw-step-num {
      font-family:var(--mono);
      font-size:0.65rem;
      font-weight:700;
      letter-spacing:0.15em;
      color:var(--text-dimmer);
      margin-bottom:1rem;
    }
    .hiw-icon {
      width:60px;
      height:60px;
      border-radius:14px;
      display:flex;
      align-items:center;
      justify-content:center;
      margin:0 auto 1.2rem;
      font-size:1.6rem;
    }
    .hiw-icon-1 { background:rgba(0,255,136,0.1); border:1px solid rgba(0,255,136,0.2); }
    .hiw-icon-2 { background:rgba(0,212,255,0.1); border:1px solid rgba(0,212,255,0.2); }
    .hiw-icon-3 { background:rgba(189,0,255,0.1); border:1px solid rgba(189,0,255,0.2); }
    .hiw-step-title {
      font-family:var(--mono);
      font-size:0.95rem;
      font-weight:800;
      color:var(--text);
      margin-bottom:0.7rem;
    }
    .hiw-step-title .ht1 { color:var(--neon-green); }
    .hiw-step-title .ht2 { color:var(--neon-blue); }
    .hiw-step-title .ht3 { color:var(--neon-purple); }
    .hiw-step-desc {
      font-family:var(--sans);
      font-size:0.83rem;
      color:var(--text-dim);
      line-height:1.7;
    }
    .hiw-step-code {
      margin-top:1.2rem;
      background:rgba(0,0,0,0.3);
      border-radius:8px;
      padding:0.7rem;
      font-family:var(--mono);
      font-size:0.64rem;
      color:var(--neon-green);
      text-align:left;
    }
    @media(max-width:700px) { .hiw-steps { grid-template-columns:1fr; } }
  
  
    .testi-section {
      position:relative;
      padding:7rem 5%;
      overflow:hidden;
      background:
        radial-gradient(ellipse 50% 50% at 20% 50%, rgba(0,255,136,0.04) 0%, transparent 65%),
        #020408;
    }
    .testi-section::before {
      content:'';
      position:absolute;
      inset:0;
      pointer-events:none;
      background: repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,255,136,0.007) 2px,rgba(0,255,136,0.007) 4px);
    }
    .testi-header { text-align:center; margin-bottom:3.5rem; position:relative; z-index:2; }
    .testi-eyebrow {
      display:inline-flex; align-items:center; gap:0.6rem;
      font-family:var(--mono); font-size:0.7rem; font-weight:600;
      letter-spacing:0.18em; text-transform:uppercase;
      color:var(--amber); margin-bottom:1.2rem;
    }
    .testi-eyebrow-line { width:32px; height:1px; background:linear-gradient(90deg,transparent,var(--amber)); }
    .testi-eyebrow-line.r { background:linear-gradient(90deg,var(--amber),transparent); }
    .testi-h2 {
      font-family:var(--mono);
      font-size:clamp(1.8rem,3.5vw,2.9rem);
      font-weight:800;
      letter-spacing:-0.03em;
      color:var(--text);
      line-height:1.1;
    }
    .testi-h2 .tk { color:#c792ea; }
    .testi-h2 .tf { color:#82aaff; }
    .testi-grid {
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:1.5rem;
      max-width:1100px;
      margin:0 auto;
      position:relative;
      z-index:2;
    }
    .testi-card {
      background:rgba(10,22,40,0.7);
      border:1px solid rgba(255,255,255,0.07);
      border-radius:16px;
      padding:1.8rem;
      transition:all 0.3s;
    }
    .testi-card:hover {
      border-color:rgba(0,255,136,0.2);
      transform:translateY(-3px);
      box-shadow:0 20px 50px rgba(0,0,0,0.4);
    }
    .testi-quote-mark {
      font-family:var(--mono);
      font-size:2rem;
      color:var(--neon-green);
      opacity:0.3;
      line-height:1;
      margin-bottom:0.5rem;
    }
    .testi-text {
      font-family:var(--sans);
      font-size:0.87rem;
      color:var(--text-dim);
      line-height:1.7;
      margin-bottom:1.5rem;
    }
    .testi-author { display:flex; align-items:center; gap:0.8rem; }
    .testi-avatar {
      width:40px; height:40px; border-radius:50%;
      display:flex; align-items:center; justify-content:center;
      font-family:var(--mono); font-size:0.75rem; font-weight:800;
      border:1px solid;
      flex-shrink:0;
    }
    .testi-name { font-family:var(--mono); font-size:0.75rem; font-weight:700; color:var(--text); }
    .testi-role { font-family:var(--mono); font-size:0.62rem; color:var(--text-dimmer); margin-top:0.1rem; }
    .testi-stars { display:flex; gap:2px; margin-bottom:0.3rem; }
    .testi-star { color:var(--amber); font-size:0.75rem; }
    @media(max-width:900px) { .testi-grid { grid-template-columns:1fr 1fr; } }
    @media(max-width:580px) { .testi-grid { grid-template-columns:1fr; } }
  
  
    .cta-section {
      position:relative;
      padding:7rem 5%;
      overflow:hidden;
      background: linear-gradient(135deg, #00291a 0%, #001a2e 50%, #100028 100%);
      text-align:center;
    }
    .cta-section::before {
      content:'';
      position:absolute;
      inset:0;
      pointer-events:none;
      background: repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,255,136,0.015) 2px,rgba(0,255,136,0.015) 4px);
    }
    .cta-glow {
      position:absolute;
      top:50%;
      left:50%;
      transform:translate(-50%,-50%);
      width:600px;
      height:300px;
      background:radial-gradient(ellipse at center, rgba(0,255,136,0.12) 0%, transparent 70%);
      pointer-events:none;
    }
    .cta-inner { position:relative; z-index:2; max-width:700px; margin:0 auto; }
    .cta-eyebrow {
      display:inline-flex; align-items:center; gap:0.6rem;
      font-family:var(--mono); font-size:0.7rem; font-weight:600;
      letter-spacing:0.18em; text-transform:uppercase;
      color:var(--neon-green); margin-bottom:1.5rem;
    }
    .cta-eyebrow-line { width:32px; height:1px; background:linear-gradient(90deg,transparent,var(--neon-green)); }
    .cta-eyebrow-line.r { background:linear-gradient(90deg,var(--neon-green),transparent); }
    .cta-h2 {
      font-family:var(--mono);
      font-size:clamp(2rem,4vw,3.5rem);
      font-weight:800;
      letter-spacing:-0.03em;
      color:var(--text);
      line-height:1.1;
      margin-bottom:1.2rem;
    }
    .cta-h2 .ctak { color:var(--neon-green); }
    .cta-sub {
      font-family:var(--sans);
      font-size:1rem;
      color:var(--text-dim);
      line-height:1.6;
      margin-bottom:2.5rem;
    }
    .cta-btns { display:flex; align-items:center; justify-content:center; gap:1rem; flex-wrap:wrap; }
    .cta-btn-main {
      font-family:var(--mono);
      font-size:0.88rem;
      font-weight:700;
      padding:1rem 2.5rem;
      border-radius:10px;
      background:linear-gradient(135deg,#00cc6a,#00ff88);
      color:#000;
      text-decoration:none;
      display:inline-flex;
      align-items:center;
      gap:0.5rem;
      letter-spacing:0.04em;
      box-shadow:0 4px 30px rgba(0,255,136,0.4);
      transition:all 0.3s;
    }
    .cta-btn-main:hover { transform:translateY(-3px); box-shadow:0 10px 50px rgba(0,255,136,0.6); }
    .cta-btn-ghost {
      font-family:var(--mono);
      font-size:0.88rem;
      font-weight:600;
      padding:1rem 2.5rem;
      border-radius:10px;
      border:1px solid rgba(0,255,136,0.3);
      color:var(--neon-green);
      background:rgba(0,255,136,0.06);
      text-decoration:none;
      letter-spacing:0.04em;
      transition:all 0.3s;
    }
    .cta-btn-ghost:hover { background:rgba(0,255,136,0.12); border-color:rgba(0,255,136,0.5); transform:translateY(-3px); }
    .cta-note { font-family:var(--mono); font-size:0.65rem; color:var(--text-dimmer); margin-top:1.5rem; }
  
  
    .site-footer {
      position:relative;
      background:#060d18;
      border-top:1px solid rgba(0,255,136,0.08);
      padding:4rem 5% 2rem;
      font-family:var(--mono);
    }
    .footer-inner {
      max-width:1200px;
      margin:0 auto;
      display:grid;
      grid-template-columns:2fr 1fr 1fr 1fr;
      gap:3rem;
      padding-bottom:3rem;
      border-bottom:1px solid rgba(255,255,255,0.05);
    }
    .footer-brand .logo-wrap { margin-bottom:1rem; }
    .footer-tagline { font-size:0.72rem; color:var(--text-dim); line-height:1.7; max-width:260px; margin-bottom:1.5rem; }
    .footer-social { display:flex; gap:0.7rem; }
    .footer-social-btn {
      width:36px; height:36px;
      border-radius:8px;
      border:1px solid rgba(0,255,136,0.15);
      background:rgba(0,255,136,0.04);
      display:flex; align-items:center; justify-content:center;
      color:var(--text-dim);
      text-decoration:none;
      font-size:0.9rem;
      transition:all 0.2s;
    }
    .footer-social-btn:hover { border-color:rgba(0,255,136,0.4); color:var(--neon-green); background:rgba(0,255,136,0.1); }
    .footer-col-title {
      font-size:0.68rem;
      font-weight:700;
      letter-spacing:0.12em;
      text-transform:uppercase;
      color:var(--text);
      margin-bottom:1.2rem;
    }
    .footer-links { list-style:none; display:flex; flex-direction:column; gap:0.6rem; }
    .footer-links a {
      font-size:0.7rem;
      color:var(--text-dim);
      text-decoration:none;
      transition:color 0.2s;
    }
    .footer-links a:hover { color:var(--neon-green); }
    .footer-contact-item { font-size:0.7rem; color:var(--text-dim); display:flex; align-items:flex-start; gap:0.5rem; margin-bottom:0.7rem; }
    .footer-contact-icon { color:var(--neon-green); flex-shrink:0; margin-top:1px; }
    .footer-bottom {
      max-width:1200px;
      margin:1.5rem auto 0;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      flex-wrap:wrap;
    }
    .footer-copy { font-size:0.62rem; color:var(--text-dimmer); }
    .footer-copy span { color:var(--neon-green); }
    .footer-legal { display:flex; gap:1.5rem; }
    .footer-legal a { font-size:0.62rem; color:var(--text-dimmer); text-decoration:none; transition:color 0.2s; }
    .footer-legal a:hover { color:var(--text-dim); }
    @media(max-width:900px) { .footer-inner { grid-template-columns:1fr 1fr; } }
    @media(max-width:580px) { .footer-inner { grid-template-columns:1fr; } .footer-bottom { flex-direction:column; text-align:center; } }
  
  
    /* ── Dark/Light toggle (fixed top-right) ── */
    .theme-toggle {
      position: fixed;
      top: 1rem;
      right: 1rem;
      z-index: 9000;
      width: 52px;
      height: 28px;
      border-radius: 14px;
      background: rgba(0, 255, 136, 0.1);
      border: 1px solid rgba(0, 255, 136, 0.3);
      cursor: none;
      transition: all 0.3s;
      display: flex;
      align-items: center;
      padding: 3px;
    }

    .theme-toggle-knob {
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: var(--neon-green);
      transition: transform 0.3s;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.7rem;
      box-shadow: 0 0 8px var(--neon-green);
    }

    .light-mode .theme-toggle-knob {
      transform: translateX(24px);
    }

    .theme-tooltip {
      position: absolute;
      right: calc(100% + 8px);
      top: 50%;
      transform: translateY(-50%);
      font-family: var(--mono);
      font-size: 0.6rem;
      white-space: nowrap;
      background: rgba(10, 22, 40, 0.95);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 6px;
      padding: 0.3rem 0.7rem;
      color: var(--text);
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.2s;
    }

    .theme-toggle:hover .theme-tooltip {
      opacity: 1;
    }

    /* ── LIGHT MODE overrides ── */
    body.light-mode {
      --black: #f0f4f8;
      --dark-1: #e8edf5;
      --dark-2: #dde4ef;
      --dark-3: #d0daea;
      --text: #1a2540;
      --text-dim: rgba(40, 60, 100, 0.65);
      --text-dimmer: rgba(40, 60, 100, 0.35);
      --glass: rgba(0, 100, 200, 0.04);
      --glass-border: rgba(0, 100, 200, 0.12);
      --neon-green: #059669;
      --neon-green-d: #047857;
      --neon-blue: #1d4ed8;
      --neon-purple: #6d28d9;
      --amber: #b45309;
    }

    body.light-mode .bg-base {
      background: linear-gradient(160deg, #f0f8ff, #e8f4fd, #f0f0ff);
    }

    body.light-mode .bg-mesh {
      background: radial-gradient(ellipse 70% 70% at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 60%), radial-gradient(ellipse 60% 80% at 80% 30%, rgba(139, 92, 246, 0.1) 0%, transparent 55%), #f0f4f8;
    }

    body.light-mode nav {
      background: rgba(240, 244, 248, 0.85);
      border-color: rgba(0, 100, 200, 0.1);
    }

    body.light-mode .dot-grid {
      background-image: radial-gradient(rgba(0, 100, 200, 0.12) 1px, transparent 1px);
    }

    body.light-mode .editor-body,
    .light-mode .dash-editor,
    .light-mode .dash-right,
    .light-mode .dash-sidebar,
    .light-mode .auth-box {
      background: rgba(240, 248, 255, 0.8);
    }

    body.light-mode .cc-code,
    .light-mode .code-area,
    .light-mode .mini-terminal,
    .light-mode .cc-bar,
    .light-mode .editor-titlebar {
      background: rgba(220, 235, 250, 0.7);
    }

    body.light-mode .scanlines {
      display: none;
    }

    body.light-mode .tc,
    .light-mode .sn-cmt,
    .light-mode .atc,
    .light-mode .cc-n {
      color: rgba(80, 120, 160, 0.5);
    }

    /* ── AI Chat ── */
    .ai-chat-btn {
      position: fixed;
      bottom: 2rem;
      right: 2rem;
      z-index: 8000;
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: linear-gradient(135deg, #0a1628, #0d2040);
      border: 1px solid rgba(0, 255, 136, 0.3);
      cursor: none;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--mono);
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--neon-green);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 255, 136, 0.1);
      transition: all 0.3s;
      animation: chatBtnPulse 3s ease-in-out infinite;
    }

    .ai-chat-btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 255, 136, 0.2);
    }

    @keyframes chatBtnPulse {

      0%,
      100% {
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 0 rgba(0, 255, 136, 0);
      }

      50% {
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 255, 136, 0.25);
      }
    }

    .ai-chat-panel {
      position: fixed;
      bottom: 5.5rem;
      right: 2rem;
      z-index: 8000;
      width: 340px;
      border-radius: 14px;
      background: rgba(8, 16, 32, 0.95);
      backdrop-filter: blur(20px);
      border: 1px solid rgba(0, 255, 136, 0.2);
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), 0 0 30px rgba(0, 255, 136, 0.05);
      overflow: hidden;
      display: none;
      flex-direction: column;
      transform: translateY(20px);
      opacity: 0;
      transition: all 0.3s;
    }

    .ai-chat-panel.open {
      display: flex;
      transform: translateY(0);
      opacity: 1;
    }

    .acp-header {
      display: flex;
      align-items: center;
      gap: 0.7rem;
      padding: 0.8rem 1rem;
      background: rgba(0, 0, 0, 0.4);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .acp-avatar {
      width: 30px;
      height: 30px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--neon-green), var(--neon-blue));
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--mono);
      font-size: 0.7rem;
      font-weight: 800;
      color: #000;
    }

    .acp-name {
      font-family: var(--mono);
      font-size: 0.72rem;
      font-weight: 700;
      color: var(--text);
    }

    .acp-status {
      font-family: var(--mono);
      font-size: 0.58rem;
      color: var(--neon-green);
      display: flex;
      align-items: center;
      gap: 0.3rem;
    }

    .acp-status-dot {
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--neon-green);
      box-shadow: 0 0 6px var(--neon-green);
      animation: blink 1.5s step-end infinite;
    }

    .acp-close {
      margin-left: auto;
      background: none;
      border: none;
      color: var(--text-dim);
      font-size: 1rem;
      cursor: none;
      transition: color 0.2s;
    }

    .acp-close:hover {
      color: var(--text);
    }

    .acp-messages {
      flex: 1;
      overflow-y: auto;
      padding: 0.8rem;
      display: flex;
      flex-direction: column;
      gap: 0.6rem;
      max-height: 280px;
    }

    .acp-msg {
      font-family: var(--mono);
      font-size: 0.67rem;
      padding: 0.6rem 0.8rem;
      border-radius: 8px;
      max-width: 85%;
      line-height: 1.5;
    }

    .acp-msg.bot {
      background: rgba(0, 255, 136, 0.07);
      border: 1px solid rgba(0, 255, 136, 0.12);
      color: var(--text);
      align-self: flex-start;
    }

    .acp-msg.user {
      background: rgba(0, 212, 255, 0.1);
      border: 1px solid rgba(0, 212, 255, 0.2);
      color: var(--text);
      align-self: flex-end;
    }

    .acp-msg .bot-prefix {
      color: var(--neon-green);
      margin-right: 0.3rem;
    }

    .acp-input-row {
      display: flex;
      gap: 0.5rem;
      padding: 0.7rem;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

    .acp-input {
      flex: 1;
      font-family: var(--mono);
      font-size: 0.68rem;
      background: rgba(0, 0, 0, 0.4);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 7px;
      padding: 0.5rem 0.75rem;
      color: var(--text);
      outline: none;
      transition: border 0.2s;
    };

    .acp-input:focus {
      border-color: rgba(0, 255, 136, 0.4);
    }

    .acp-send {
      font-family: var(--mono);
      font-size: 0.7rem;
      font-weight: 700;
      padding: 0.5rem 0.8rem;
      border-radius: 7px;
      border: none;
      cursor: none;
      background: var(--neon-green);
      color: #000;
      transition: all 0.2s;
    }

    .acp-send:hover {
      box-shadow: 0 0 15px rgba(0, 255, 136, 0.4);
    }

    /* ── Floating code snippets (ambient) ── */
    .float-ambient {
      position: fixed;
      pointer-events: none;
      z-index: 100;
      font-family: var(--mono);
      font-size: 0.65rem;
      padding: 0.4rem 0.7rem;
      border-radius: 7px;
      background: rgba(6, 13, 24, 0.8);
      backdrop-filter: blur(8px);
      border: 1px solid;
      opacity: 0;
      white-space: nowrap;
      animation: ambientFloat linear infinite;
    }

    @keyframes ambientFloat {
      0% {
        opacity: 0;
        transform: translateY(0) rotate(var(--r));
      }

      8% {
        opacity: 0.7;
      }

      92% {
        opacity: 0.7;
      }

      100% {
        opacity: 0;
        transform: translateY(-100vh) rotate(var(--r));
      }
    }