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

    /* ──────────────────────────────────────────────────────────────
       COLOUR PALETTE
       DEFAULT: Corporate — LinkedIn / Microsoft blue (#0071BC)
       DARK:    DevOpsTech brand — Teal · Hot Pink · Purple
       Toggle with the theme switcher button in the nav bar.
       ────────────────────────────────────────────────────────────── */
    :root {
      /* Backgrounds — light/white for corporate */
      --bg: #ffffff;
      --bg2: #f0f4f9;
      --bg3: #e4ecf4;
      --bg4: #d6e2ef;

      /* Brand blue — LinkedIn / Microsoft corporate palette */
      --blue: #0071BC;
      --blue-dark: #005a96;
      --blue-light: #0090e8;
      --blue-pale: #0060a8;

      /* Borders & glows */
      --border: rgba(0, 113, 188, 0.22);
      --border2: rgba(0, 113, 188, 0.10);
      --blue-dim: rgba(0, 113, 188, 0.10);
      --blue-glow: rgba(0, 113, 188, 0.30);

      /* Amber — edu / LevelUp product accent */
      --amber: #f59e0b;
      --amber-dim: rgba(245, 158, 11, 0.10);

      /* Pink / Purple alias vars — used by element rules shared with dark theme.
         In corporate mode these resolve to blue/amber analogues. */
      --pink: var(--amber);
      --pink-dark: #d97706;
      --pink-light: #fbbf24;
      --pink-pale: var(--blue-pale);
      --pink-glow: var(--blue-glow);
      --pink-dim: var(--amber-dim);
      --purple: var(--blue-dark);
      --purple-dark: #004070;
      --purple-light: var(--blue-light);
      --purple-pale: var(--blue-pale);

      /* White */
      --white: #ffffff;

      /* Typography */
      --text: #0d1828;
      --text2: #2a4f75;
      --text3: #3e6080;
      /* Heading colour — dark on light in corporate, white in dark theme */
      --heading: #0d1828;

      --nav-h: 110px;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "IBM Plex Sans", sans-serif;
      background: var(--bg);
      color: var(--text);
      overflow-x: hidden;
      line-height: 1.6;
    }

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

    ::-webkit-scrollbar-track {
      background: var(--bg);
    }

    ::-webkit-scrollbar-thumb {
      background: var(--blue-dark);
      border-radius: 2px;
    }

    /* ── NAV ───────────────────────────────────────────────────── */
    nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      height: var(--nav-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 52px;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(28px);
      -webkit-backdrop-filter: blur(28px);
      border-bottom: 1px solid var(--border);
    }

    .nav-logo {
      display: flex;
      align-items: center;
      text-decoration: none;
      position: relative;
    }

    /* Ambient glow behind logo */
    .nav-logo::before {
      content: '';
      position: absolute;
      inset: -20px -30px;
      background: radial-gradient(ellipse 80% 70% at 50% 50%, rgba(0, 113, 188, 0.18) 0%, transparent 70%);
      pointer-events: none;
      z-index: 0;
    }

    .nav-logo img {
      position: relative;
      z-index: 1;
      filter: drop-shadow(0 0 12px rgba(0, 113, 188, 0.55)) drop-shadow(0 0 28px rgba(0, 113, 188, 0.25));
      transition: filter 0.3s ease;
    }

    .nav-logo:hover img {
      filter: drop-shadow(0 0 18px rgba(0, 144, 232, 0.75)) drop-shadow(0 0 40px rgba(0, 113, 188, 0.35));
    }

    .nav-links {
      display: flex;
      gap: 36px;
      list-style: none;
    }

    .nav-links a {
      font-family: "IBM Plex Mono", monospace;
      font-size: 11.5px;
      font-weight: 400;
      letter-spacing: 0.10em;
      text-transform: uppercase;
      color: var(--text2);
      text-decoration: none;
      transition: color 0.2s;
    }

    .nav-links a:hover {
      color: var(--blue-pale);
    }

    .nav-cta {
      font-family: "IBM Plex Mono", monospace;
      font-size: 11.5px;
      font-weight: 500;
      letter-spacing: 0.10em;
      text-transform: uppercase;
      color: var(--white);
      background: var(--blue);
      border: none;
      cursor: pointer;
      padding: 10px 22px;
      text-decoration: none;
      clip-path: none;
      border-left: 3px solid var(--blue-light);
      transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    }

    .nav-cta:hover {
      background: var(--blue-dark);
      transform: translateY(-1px);
      box-shadow: 0 4px 20px var(--blue-glow);
    }

    /* ── HERO ──────────────────────────────────────────────────── */
    #hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
      padding-top: var(--nav-h);
    }

    .hero-grid-bg {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(0, 113, 188, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 113, 188, 0.055) 1px, transparent 1px);
      background-size: 56px 56px;
      mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
    }

    .hero-orb {
      position: absolute;
      border-radius: 50%;
      filter: blur(90px);
      pointer-events: none;
    }

    .hero-orb-1 {
      width: 700px;
      height: 700px;
      background: radial-gradient(circle, rgba(0, 113, 188, 0.18) 0%, transparent 70%);
      top: -150px;
      right: -150px;
      animation: pulse-orb 9s ease-in-out infinite;
    }

    .hero-orb-2 {
      width: 480px;
      height: 480px;
      background: radial-gradient(circle, rgba(0, 144, 232, 0.09) 0%, transparent 70%);
      bottom: 80px;
      left: -80px;
      animation: pulse-orb 12s ease-in-out infinite reverse;
    }

    @keyframes pulse-orb {

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

      50% {
        opacity: 0.6;
        transform: scale(1.12);
      }
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 1200px;
      margin: 0 auto;
      padding: 80px 52px;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      font-family: "IBM Plex Mono", monospace;
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--blue-pale);
      border: 1px solid var(--border);
      background: var(--blue-dim);
      padding: 6px 14px;
      margin-bottom: 32px;
      opacity: 0;
      animation: fade-up 0.6s 0.1s ease forwards;
    }

    .hero-tag::before {
      content: "";
      width: 6px;
      height: 6px;
      background: var(--blue-light);
      border-radius: 50%;
      animation: blink 1.6s infinite;
    }

    @keyframes blink {

      0%,
      100% {
        opacity: 1
      }

      50% {
        opacity: 0.25
      }
    }

    .hero-h1 {
      font-family: "Barlow Condensed", sans-serif;
      font-weight: 900;
      font-size: clamp(58px, 9.5vw, 112px);
      line-height: 0.90;
      letter-spacing: -0.01em;
      text-transform: uppercase;
      color: var(--heading);
      margin-bottom: 28px;
      opacity: 0;
      animation: fade-up 0.7s 0.25s ease forwards;
    }

    .hero-h1 .accent {
      color: var(--blue-light);
    }

    .hero-h1 .stroke {
      -webkit-text-stroke: 2px var(--blue);
      color: transparent;
    }

    .hero-sub {
      font-size: 18px;
      font-weight: 300;
      color: var(--text2);
      line-height: 1.75;
      max-width: 600px;
      margin-bottom: 48px;
      opacity: 0;
      animation: fade-up 0.7s 0.4s ease forwards;
    }

    .hero-sub strong {
      color: var(--text);
      font-weight: 500;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      opacity: 0;
      animation: fade-up 0.7s 0.55s ease forwards;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-family: "IBM Plex Mono", monospace;
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 0.07em;
      text-transform: uppercase;
      text-decoration: none;
      color: var(--white);
      background: var(--blue);
      padding: 14px 30px;
      border: none;
      cursor: pointer;
      clip-path: none;
      border-left: 3px solid var(--blue-light);
      transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    }

    .btn-primary:hover {
      background: var(--blue-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 32px var(--blue-glow);
    }

    .btn-ghost {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-family: "IBM Plex Mono", monospace;
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 0.07em;
      text-transform: uppercase;
      text-decoration: none;
      color: var(--text2);
      background: transparent;
      padding: 14px 30px;
      border: 1px solid var(--border);
      cursor: pointer;
      transition: color 0.2s, border-color 0.2s, background 0.2s;
    }

    .btn-ghost:hover {
      color: var(--blue-pale);
      border-color: var(--blue);
      background: var(--blue-dim);
    }

    .hero-stats {
      display: flex;
      gap: 52px;
      margin-top: 80px;
      padding-top: 48px;
      border-top: 1px solid var(--border2);
      opacity: 0;
      animation: fade-up 0.7s 0.7s ease forwards;
    }

    .stat-num {
      font-family: "Barlow Condensed", sans-serif;
      font-weight: 800;
      font-size: 44px;
      color: var(--blue-light);
      line-height: 1;
    }

    .stat-label {
      font-size: 11px;
      font-weight: 400;
      color: var(--text3);
      margin-top: 5px;
      text-transform: uppercase;
      letter-spacing: 0.10em;
    }

    @keyframes fade-up {
      from {
        opacity: 0;
        transform: translateY(24px)
      }

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

    /* ── SECTION SHARED ────────────────────────────────────────── */
    section {
      padding: 100px 0;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 52px;
    }

    .section-label {
      font-family: "IBM Plex Mono", monospace;
      font-size: 10.5px;
      font-weight: 500;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--blue-pale);
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 18px;
    }

    .section-label::after {
      content: "";
      height: 1px;
      width: 44px;
      background: var(--blue);
      opacity: 0.55;
    }

    .section-h2 {
      font-family: "Barlow Condensed", sans-serif;
      font-weight: 800;
      font-size: clamp(36px, 5vw, 62px);
      text-transform: uppercase;
      line-height: 0.95;
      color: var(--heading);
      margin-bottom: 16px;
    }

    .section-h2 .accent {
      color: var(--blue-light);
    }

    .section-lead {
      font-size: 16px;
      font-weight: 300;
      color: var(--text2);
      line-height: 1.85;
      max-width: 640px;
      margin-bottom: 64px;
    }

    /* ── ABOUT ─────────────────────────────────────────────────── */
    #about {
      background: var(--bg2);
      border-top: 1px solid var(--border2);
      border-bottom: 1px solid var(--border2);
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 80px;
      align-items: center;
    }

    .about-text p {
      font-size: 15px;
      font-weight: 300;
      color: var(--text2);
      line-height: 1.95;
      margin-bottom: 16px;
    }

    .about-text p strong {
      color: var(--text);
      font-weight: 500;
    }

    .about-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 32px;
    }

    .badge {
      font-family: "IBM Plex Mono", monospace;
      font-size: 10.5px;
      letter-spacing: 0.06em;
      color: var(--blue-pale);
      border: 1px solid var(--border);
      background: var(--blue-dim);
      padding: 5px 12px;
    }

    .about-right {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .about-card {
      background: var(--bg3);
      border: 1px solid var(--border2);
      border-left: 3px solid var(--blue);
      padding: 20px 24px;
      transition: border-left-color 0.2s, background 0.2s;
    }

    .about-card:hover {
      background: var(--bg4);
      border-left-color: var(--amber);
    }

    .about-card-title {
      font-family: "Barlow Condensed", sans-serif;
      font-weight: 700;
      font-size: 18px;
      letter-spacing: 0.03em;
      color: var(--heading);
      margin-bottom: 5px;
    }

    .about-card-text {
      font-size: 13px;
      font-weight: 300;
      color: var(--text2);
      line-height: 1.65;
    }

    /* ── SERVICES ──────────────────────────────────────────────── */
    #services {
      background: var(--bg);
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2px;
      background: var(--border2);
      border: 1px solid var(--border2);
    }

    .service-card {
      background: var(--bg);
      padding: 36px 30px;
      position: relative;
      overflow: hidden;
      transition: background 0.3s;
    }

    .service-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--blue);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.35s ease;
    }

    .service-card:hover {
      background: var(--bg3);
    }

    .service-card:hover::before {
      transform: scaleX(1);
    }

    .service-icon {
      width: 46px;
      height: 46px;
      margin-bottom: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--blue-dim);
      border: 1px solid var(--border);
      font-size: 20px;
    }

    .service-num {
      position: absolute;
      top: 22px;
      right: 22px;
      font-family: "Barlow Condensed", sans-serif;
      font-weight: 800;
      font-size: 50px;
      color: rgba(0, 113, 188, 0.07);
      line-height: 1;
      transition: color 0.3s;
    }

    .service-card:hover .service-num {
      color: rgba(0, 113, 188, 0.15);
    }

    .service-title {
      font-family: "Barlow Condensed", sans-serif;
      font-weight: 700;
      font-size: 21px;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      color: var(--heading);
      margin-bottom: 10px;
    }

    .service-text {
      font-size: 13px;
      font-weight: 300;
      color: var(--text2);
      line-height: 1.85;
    }

    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 18px;
    }

    .service-tag {
      font-family: "IBM Plex Mono", monospace;
      font-size: 10px;
      color: var(--text3);
      border: 1px solid var(--border2);
      padding: 3px 8px;
    }

    /* ── COMPETENCIES ──────────────────────────────────────────── */
    #competencies {
      background: var(--bg2);
    }

    .comp-layout {
      display: grid;
      grid-template-columns: 220px 1fr;
      gap: 64px;
      align-items: start;
    }

    .comp-cats {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .comp-cat-btn {
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 14px 18px;
      text-align: left;
      border-left: 2px solid transparent;
      font-family: "Barlow Condensed", sans-serif;
      font-weight: 600;
      font-size: 17px;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--text3);
      transition: all 0.2s;
    }

    .comp-cat-btn.active {
      border-left-color: var(--blue);
      color: var(--blue-pale);
      background: var(--blue-dim);
    }

    .comp-cat-btn:hover:not(.active) {
      color: var(--text2);
      border-left-color: var(--border);
    }

    .comp-panel {
      display: none;
    }

    .comp-panel.active {
      display: block;
      animation: fade-up 0.35s ease forwards;
    }

    .comp-panel-title {
      font-family: "Barlow Condensed", sans-serif;
      font-weight: 800;
      font-size: 30px;
      text-transform: uppercase;
      color: var(--heading);
      margin-bottom: 8px;
    }

    .comp-panel-desc {
      font-size: 14px;
      font-weight: 300;
      color: var(--text2);
      line-height: 1.8;
      margin-bottom: 32px;
    }

    .skill-bars {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .skill-bar-row {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .skill-bar-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .skill-bar-name {
      font-family: "IBM Plex Mono", monospace;
      font-size: 12px;
      color: var(--text);
      letter-spacing: 0.04em;
    }

    .skill-bar-pct {
      font-family: "IBM Plex Mono", monospace;
      font-size: 11px;
      color: var(--blue-pale);
    }

    .skill-bar-track {
      height: 3px;
      background: var(--bg4);
      position: relative;
      overflow: hidden;
      border-radius: 2px;
    }

    .skill-bar-fill {
      position: absolute;
      top: 0;
      left: 0;
      height: 100%;
      background: linear-gradient(90deg, var(--blue), var(--blue-light));
      width: 0;
      transition: width 1.1s cubic-bezier(0.22, 1, 0.36, 1);
      border-radius: 2px;
    }

    /* ── PRODUCTS ──────────────────────────────────────────────── */
    #products {
      background: var(--bg);
    }

    .products-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .product-card {
      position: relative;
      overflow: hidden;
      border: 1px solid var(--border2);
      background: var(--bg2);
      padding: 48px 40px;
      transition: border-color 0.3s, transform 0.3s;
    }

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

    .product-card-ai {
      border-top: 3px solid var(--blue);
    }

    .product-card-edu {
      border-top: 3px solid var(--amber);
    }

    .product-glow-ai {
      position: absolute;
      width: 320px;
      height: 320px;
      background: radial-gradient(circle, rgba(0, 113, 188, 0.12) 0%, transparent 70%);
      top: -80px;
      right: -80px;
      pointer-events: none;
    }

    .product-glow-edu {
      position: absolute;
      width: 320px;
      height: 320px;
      background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
      top: -80px;
      right: -80px;
      pointer-events: none;
    }

    .product-label {
      font-family: "IBM Plex Mono", monospace;
      font-size: 10px;
      font-weight: 500;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      margin-bottom: 20px;
    }

    .product-label-ai {
      color: var(--blue-pale);
    }

    .product-label-edu {
      color: var(--amber);
    }

    .product-icon {
      font-size: 42px;
      margin-bottom: 20px;
      display: block;
    }

    .product-name {
      font-family: "Barlow Condensed", sans-serif;
      font-weight: 900;
      font-size: 42px;
      text-transform: uppercase;
      line-height: 1;
      color: var(--heading);
      margin-bottom: 8px;
    }

    .product-tagline {
      font-size: 14px;
      font-weight: 400;
      font-style: italic;
      color: var(--text2);
      margin-bottom: 24px;
    }

    .product-desc {
      font-size: 14px;
      font-weight: 300;
      color: var(--text2);
      line-height: 1.85;
      margin-bottom: 32px;
    }

    .product-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 36px;
    }

    .product-pill {
      font-family: "IBM Plex Mono", monospace;
      font-size: 10px;
      letter-spacing: 0.06em;
      padding: 5px 12px;
    }

    .product-pill-ai {
      color: var(--blue-pale);
      border: 1px solid rgba(0, 113, 188, 0.35);
      background: rgba(0, 113, 188, 0.08);
    }

    .product-pill-edu {
      color: var(--amber);
      border: 1px solid rgba(245, 158, 11, 0.35);
      background: rgba(245, 158, 11, 0.07);
    }

    .product-cta {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-family: "IBM Plex Mono", monospace;
      font-size: 12px;
      font-weight: 500;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      text-decoration: none;
      padding: 12px 24px;
      transition: all 0.2s;
    }

    .product-cta-ai {
      color: var(--white);
      background: var(--blue);
    }

    .product-cta-ai:hover {
      background: var(--blue-dark);
      box-shadow: 0 4px 20px var(--blue-glow);
    }

    .product-cta-edu {
      color: #000;
      background: var(--amber);
    }

    .product-cta-edu:hover {
      background: #d97706;
    }

    .product-cta svg {
      transition: transform 0.2s;
    }

    .product-cta:hover svg {
      transform: translate(3px, -3px);
    }

    /* ── INDUSTRIES ────────────────────────────────────────────── */
    #industries {
      background: var(--bg2);
    }

    .industries-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2px;
      background: var(--border2);
    }

    .industry-item {
      background: var(--bg2);
      padding: 26px 22px;
      display: flex;
      align-items: center;
      gap: 12px;
      transition: background 0.2s;
    }

    .industry-item:hover {
      background: var(--bg3);
    }

    .industry-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--blue);
      flex-shrink: 0;
    }

    .industry-name {
      font-family: "Barlow Condensed", sans-serif;
      font-weight: 600;
      font-size: 16px;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      color: var(--text2);
    }

    /* ── PROCESS ───────────────────────────────────────────────── */
    #process {
      background: var(--bg);
    }

    .process-steps {
      display: flex;
      flex-direction: column;
    }

    .process-step {
      display: grid;
      grid-template-columns: 80px 1fr;
      gap: 32px;
      align-items: start;
      position: relative;
      padding-bottom: 44px;
    }

    .process-step:not(:last-child)::after {
      content: "";
      position: absolute;
      left: 38px;
      top: 56px;
      bottom: -16px;
      width: 1px;
      background: var(--border2);
    }

    .step-num {
      width: 48px;
      height: 48px;
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: "Barlow Condensed", sans-serif;
      font-weight: 800;
      font-size: 22px;
      color: var(--blue-pale);
      background: var(--bg2);
      flex-shrink: 0;
    }

    .step-body {
      padding-top: 10px;
    }

    .step-title {
      font-family: "Barlow Condensed", sans-serif;
      font-weight: 700;
      font-size: 22px;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      color: var(--heading);
      margin-bottom: 8px;
    }

    .step-text {
      font-size: 14px;
      font-weight: 300;
      color: var(--text2);
      line-height: 1.85;
    }

    /* ── CONTACT ───────────────────────────────────────────────── */
    #contact {
      background: var(--bg2);
      border-top: 1px solid var(--border);
    }

    .cta-inner {
      text-align: center;
      padding: 90px 52px;
      position: relative;
    }

    .cta-inner::before {
      content: "";
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 1px;
      height: 52px;
      background: linear-gradient(to bottom, transparent, var(--blue));
    }

    .cta-h2 {
      font-family: "Barlow Condensed", sans-serif;
      font-weight: 900;
      font-size: clamp(40px, 6vw, 84px);
      text-transform: uppercase;
      line-height: 0.95;
      color: var(--heading);
      margin: 52px 0 18px;
    }

    .cta-h2 .accent {
      color: var(--blue-light);
    }

    .cta-sub {
      font-size: 16px;
      font-weight: 300;
      color: var(--text2);
      max-width: 520px;
      margin: 0 auto 52px;
      line-height: 1.85;
    }

    .cta-email {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-family: "IBM Plex Mono", monospace;
      font-size: 20px;
      font-weight: 400;
      color: var(--blue-pale);
      text-decoration: none;
      border-bottom: 1px solid transparent;
      transition: border-color 0.2s, color 0.2s;
    }

    .cta-email:hover {
      color: var(--blue-light);
      border-bottom-color: var(--blue-light);
    }

    .contact-links {
      margin-top: 40px;
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }

    /* ── FOOTER ────────────────────────────────────────────────── */
    footer {
      background: var(--bg);
      border-top: 1px solid var(--border2);
      padding: 32px 52px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .footer-left {
      font-family: "IBM Plex Mono", monospace;
      font-size: 11.5px;
      color: var(--text3);
    }

    .footer-left span {
      color: var(--blue-pale);
    }

    .footer-links {
      display: flex;
      gap: 28px;
    }

    .footer-links a {
      font-family: "IBM Plex Mono", monospace;
      font-size: 10.5px;
      letter-spacing: 0.07em;
      text-transform: uppercase;
      color: var(--text3);
      text-decoration: none;
      transition: color 0.2s;
    }

    .footer-links a:hover {
      color: var(--blue-pale);
    }

    /* ── NAV END GROUP (toggle + hamburger) ──────────────────── */
    .nav-end {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    /* ── HAMBURGER BUTTON ─────────────────────────────────────── */
    .nav-hamburger {
      display: none;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
      width: 40px;
      height: 40px;
      background: transparent;
      border: 1px solid var(--border);
      cursor: pointer;
      padding: 8px;
      flex-shrink: 0;
      z-index: 102;
    }

    .nav-hamburger span {
      display: block;
      height: 2px;
      background: var(--text);
      border-radius: 2px;
      transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
      width: 100%;
    }

    .nav-hamburger.open span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .nav-hamburger.open span:nth-child(2) {
      opacity: 0;
      width: 0;
    }

    .nav-hamburger.open span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    /* ── MOBILE MENU ───────────────────────────────────────────── */
    .nav-mobile-menu {
      display: none;
      position: fixed;
      top: var(--nav-h);
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(248, 250, 253, 0.99);
      backdrop-filter: blur(28px);
      -webkit-backdrop-filter: blur(28px);
      z-index: 99;
      flex-direction: column;
      align-items: stretch;
      overflow-y: auto;
      border-top: 1px solid var(--border);
      padding: 12px 0 40px;
    }

    .nav-mobile-menu.open {
      display: flex;
    }

    .nav-mobile-menu a {
      font-family: "Barlow Condensed", sans-serif;
      font-weight: 700;
      font-size: 38px;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--text2);
      text-decoration: none;
      padding: 18px 32px;
      border-bottom: 1px solid var(--border2);
      transition: color 0.2s, background 0.2s;
      display: block;
    }

    .nav-mobile-menu a:hover {
      color: var(--heading);
      background: var(--bg2);
    }

    .nav-mobile-menu .nav-mobile-cta {
      font-family: "IBM Plex Mono", monospace;
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 0.10em;
      text-transform: uppercase;
      color: var(--white);
      background: var(--blue);
      padding: 16px 32px;
      text-decoration: none;
      border-bottom: none;
      /* clip-path already removed */
      margin: 28px 32px 0;
      text-align: center;
      transition: background 0.2s;
    }

    .nav-mobile-menu .nav-mobile-cta:hover {
      color: var(--white);
      background: var(--blue-dark);
    }

    /* ── SCROLL REVEAL ─────────────────────────────────────────── */
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ── RESPONSIVE ────────────────────────────────────────────── */
    @media (max-width: 920px) {
      :root {
        --nav-h: 80px;
      }

      nav {
        padding: 0 24px;
      }

      .nav-links {
        display: none;
      }

      .nav-cta {
        display: none;
      }

      .nav-hamburger {
        display: flex;
      }

      .nav-logo img {
        height: 60px !important;
      }

      .hero-content,
      .container,
      .cta-inner {
        padding-left: 24px;
        padding-right: 24px;
      }

      .hero-sub {
        font-size: 16px;
      }

      .hero-stats {
        gap: 20px;
        flex-wrap: wrap;
        margin-top: 48px;
        padding-top: 28px;
      }

      .about-grid,
      .products-grid {
        grid-template-columns: 1fr;
        gap: 44px;
      }

      .comp-layout {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .comp-cats {
        flex-direction: row;
        flex-wrap: nowrap;
        overflow-x: auto;
        gap: 4px;
        padding-bottom: 8px;
        -webkit-overflow-scrolling: touch;
      }

      .comp-cat-btn {
        white-space: nowrap;
        border-left: none;
        border-bottom: 2px solid transparent;
        font-size: 14px;
        padding: 10px 14px;
      }

      .comp-cat-btn.active {
        border-left-color: transparent;
        border-bottom-color: var(--blue);
      }

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

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

      footer {
        flex-direction: column;
        gap: 20px;
        text-align: center;
      }
    }

    @media (max-width: 480px) {

      .nav-logo img {
        height: 48px !important;
      }

      .hero-h1 {
        font-size: clamp(42px, 13vw, 72px);
      }

      .hero-sub {
        font-size: 15px;
        margin-bottom: 32px;
      }

      .hero-stats {
        gap: 16px;
      }

      .stat-num {
        font-size: 34px;
      }

      .section-h2 {
        font-size: clamp(32px, 9vw, 48px);
      }

      .section-lead {
        font-size: 14px;
        margin-bottom: 40px;
      }

      .product-card {
        padding: 32px 22px;
      }

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

      .process-step {
        grid-template-columns: 56px 1fr;
        gap: 20px;
      }

      .process-step:not(:last-child)::after {
        left: 26px;
      }

      .cta-h2 {
        font-size: clamp(38px, 12vw, 64px);
      }

      .contact-links {
        flex-direction: column;
        align-items: center;
      }
    }

    /* ── SKIP TO CONTENT ───────────────────────────────────────── */
    .skip-link {
      position: absolute;
      top: -100%;
      left: 16px;
      z-index: 999;
      background: var(--blue);
      color: var(--white);
      padding: 10px 20px;
      font-family: "IBM Plex Mono", monospace;
      font-size: 13px;
      font-weight: 500;
      text-decoration: none;
      border-radius: 0 0 4px 4px;
      transition: top 0.2s;
    }

    .skip-link:focus {
      top: 0;
    }

    /* ── FOCUS STATES ──────────────────────────────────────────────── */
    :focus-visible {
      outline: 2px solid var(--blue-pale);
      outline-offset: 3px;
    }

    .comp-cat-btn:focus-visible {
      outline: 2px solid var(--blue-pale);
      outline-offset: 0;
    }

    .btn-primary:focus-visible,
    .btn-ghost:focus-visible,
    .nav-cta:focus-visible,
    .product-cta:focus-visible {
      outline: 2px solid var(--blue-pale);
      outline-offset: 4px;
    }

    /* ═══════════════════════════════════════════════════════════════
       DARK THEME — DevOpsTech brand palette
       Teal (#3CF0C0) · Hot Pink (#F040B5) · Purple (#5050A0)
       Activated by:  data-theme="dark"  on <html>
       ═══════════════════════════════════════════════════════════════ */
    [data-theme="dark"] {
      --bg: #05070e;
      --bg2: #080a16;
      --bg3: #0b0e1d;
      --bg4: #0f1228;

      --blue: #3CF0C0;
      --blue-dark: #22C99B;
      --blue-light: #5DFFD5;
      --blue-pale: #8FFCE8;

      --pink: #F040B5;
      --pink-dark: #C42D8E;
      --pink-light: #FF5CC7;
      --pink-pale: #FFA0DF;
      --pink-glow: rgba(240, 64, 181, 0.28);
      --pink-dim: rgba(240, 64, 181, 0.08);

      --purple: #5050A0;
      --purple-dark: #3A3A7A;
      --purple-light: #7878C8;
      --purple-pale: #ABABDF;

      --border: rgba(60, 240, 192, 0.18);
      --border2: rgba(60, 240, 192, 0.07);
      --blue-dim: rgba(60, 240, 192, 0.07);
      --blue-glow: rgba(60, 240, 192, 0.28);

      --amber: #F040B5;
      --amber-dim: rgba(240, 64, 181, 0.08);

      --text: #d8f0ec;
      --text2: #7a9aaa;
      --text3: #5a7a8a;
      --heading: var(--white);
    }

    /* Dark theme — element overrides for hardcoded rgba & specific property values */
    [data-theme="dark"] nav {
      background: rgba(5, 7, 14, 0.95);
    }

    [data-theme="dark"] .nav-mobile-menu {
      background: rgba(5, 7, 14, 0.98);
    }

    [data-theme="dark"] .nav-logo::before {
      background: radial-gradient(ellipse 80% 70% at 50% 50%, rgba(60, 240, 192, 0.14) 0%, transparent 70%);
    }

    [data-theme="dark"] .nav-logo img {
      filter: drop-shadow(0 0 12px rgba(60, 240, 192, 0.45)) drop-shadow(0 0 28px rgba(240, 64, 181, 0.20));
    }

    [data-theme="dark"] .nav-logo:hover img {
      filter: drop-shadow(0 0 18px rgba(93, 255, 213, 0.65)) drop-shadow(0 0 40px rgba(240, 64, 181, 0.30));
    }

    [data-theme="dark"] .nav-cta,
    [data-theme="dark"] .btn-primary {
      color: var(--bg);
      border-left-color: var(--blue-dark);
    }

    [data-theme="dark"] .nav-mobile-menu .nav-mobile-cta {
      color: var(--bg);
    }

    [data-theme="dark"] .nav-mobile-menu .nav-mobile-cta:hover {
      color: var(--bg);
      background: var(--blue-light);
    }

    [data-theme="dark"] .hero-grid-bg {
      background-image:
        linear-gradient(rgba(60, 240, 192, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(60, 240, 192, 0.04) 1px, transparent 1px);
    }

    [data-theme="dark"] .hero-orb-1 {
      background: radial-gradient(circle, rgba(60, 240, 192, 0.14) 0%, transparent 70%);
    }

    [data-theme="dark"] .hero-orb-2 {
      background: radial-gradient(circle, rgba(240, 64, 181, 0.09) 0%, transparent 70%);
    }

    [data-theme="dark"] .service-num {
      color: rgba(60, 240, 192, 0.07);
    }

    [data-theme="dark"] .service-card:hover .service-num {
      color: rgba(60, 240, 192, 0.15);
    }

    [data-theme="dark"] .about-card {
      border-left-color: var(--purple);
    }

    [data-theme="dark"] .about-card:hover {
      border-left-color: var(--pink);
    }

    [data-theme="dark"] .skill-bar-fill {
      background: linear-gradient(90deg, var(--blue), var(--pink));
    }

    [data-theme="dark"] .product-glow-ai {
      background: radial-gradient(circle, rgba(60, 240, 192, 0.10) 0%, transparent 70%);
    }

    [data-theme="dark"] .product-glow-edu {
      background: radial-gradient(circle, rgba(240, 64, 181, 0.10) 0%, transparent 70%);
    }

    [data-theme="dark"] .product-label-edu {
      color: var(--pink-pale);
    }

    [data-theme="dark"] .product-pill-ai {
      color: var(--blue-pale);
      border: 1px solid rgba(60, 240, 192, 0.28);
      background: rgba(60, 240, 192, 0.07);
    }

    [data-theme="dark"] .product-pill-edu {
      color: var(--pink-pale);
      border: 1px solid rgba(240, 64, 181, 0.28);
      background: rgba(240, 64, 181, 0.07);
    }

    [data-theme="dark"] .product-cta-ai {
      color: var(--bg);
    }

    [data-theme="dark"] .product-cta-edu {
      color: var(--white);
      background: var(--pink);
    }

    [data-theme="dark"] .product-cta-edu:hover {
      background: var(--pink-dark);
      box-shadow: 0 4px 20px var(--pink-glow);
    }

    [data-theme="dark"] .cta-inner::before {
      background: linear-gradient(to bottom, transparent, var(--pink));
    }

    [data-theme="dark"] .step-num {
      color: var(--purple-pale);
    }

    [data-theme="dark"] .footer-left span {
      color: var(--pink-pale);
    }

    [data-theme="dark"] .skip-link {
      background: var(--purple);
    }

    /* ── THEME TOGGLE BUTTON ───────────────────────────────────────── */
    .theme-toggle {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      font-family: "IBM Plex Mono", monospace;
      font-size: 10.5px;
      font-weight: 500;
      letter-spacing: 0.09em;
      text-transform: uppercase;
      color: var(--text2);
      background: transparent;
      border: 1px solid var(--border);
      cursor: pointer;
      padding: 7px 14px;
      flex-shrink: 0;
      transition: color 0.2s, border-color 0.2s, background 0.2s;
    }

    .theme-toggle:hover {
      color: var(--blue-pale);
      border-color: var(--blue);
      background: var(--blue-dim);
    }

    .theme-toggle-icon {
      font-size: 14px;
      line-height: 1;
      display: inline-block;
    }

    /* On mobile, keep button visible but show only the icon */
    @media (max-width: 920px) {
      .theme-toggle {
        padding: 6px 10px;
      }

      .theme-toggle-label {
        display: none;
      }
    }