:root {
      --bg: #0f1419;
      --bg-deep: #0a1016;
      --bg-panel: #152030;
      --bg-elevated: #1a2a3d;
      --fg: #e8eef4;
      --fg-muted: rgba(232, 238, 244, 0.72);
      --fg-subtle: rgba(232, 238, 244, 0.5);
      --accent: #3d9cf0;
      --accent-bright: #5aadf5;
      --accent-deep: #2a7bc4;
      --line: rgba(232, 238, 244, 0.12);
      --line-strong: rgba(232, 238, 244, 0.22);
      --nav-h: 72px;
      --font-serif: "Libre Baskerville", Georgia, "Times New Roman", serif;
      --font-sans: "Source Sans 3", "Segoe UI", sans-serif;
      --ease: cubic-bezier(0.22, 1, 0.36, 1);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-sans);
      color: var(--fg);
      background:
        radial-gradient(ellipse at 18% 12%, #1a3a5c 0%, transparent 48%),
        radial-gradient(ellipse at 88% 8%, #1a2a4a 0%, transparent 40%),
        radial-gradient(ellipse at 70% 70%, #142838 0%, transparent 45%),
        var(--bg);
      background-attachment: fixed;
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

    button {
      font: inherit;
      color: inherit;
      background: none;
      border: none;
      cursor: pointer;
    }

    .container {
      width: min(1180px, calc(100% - 3rem));
      margin-inline: auto;
    }

    /* ——— Top utility bar (McKinsey-like) ——— */
    .utility {
      display: flex;
      justify-content: flex-end;
      align-items: center;
      gap: 1.5rem;
      padding: 0.55rem 0;
      border-bottom: 1px solid var(--line);
      font-size: 0.8125rem;
      font-weight: 500;
      letter-spacing: 0.02em;
      color: var(--fg-muted);
      background: rgba(10, 16, 22, 0.55);
      backdrop-filter: blur(12px);
    }

    .utility a:hover {
      color: var(--fg);
    }

    /* ——— Primary navigation ——— */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(15, 20, 25, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--line);
    }

    .nav-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: var(--nav-h);
      gap: 2rem;
    }

    .brand {
      font-family: var(--font-serif);
      font-size: 1.35rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      flex-shrink: 0;
    }

    .brand span {
      color: var(--accent);
    }

    .nav-primary {
      display: flex;
      align-items: stretch;
      height: 100%;
      gap: 0.15rem;
      flex: 1;
      justify-content: center;
    }

    .nav-item {
      position: relative;
      display: flex;
      align-items: center;
    }

    .nav-trigger {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      height: 100%;
      padding: 0 0.95rem;
      font-size: 0.9375rem;
      font-weight: 600;
      letter-spacing: 0.01em;
      color: var(--fg);
      border-bottom: 2px solid transparent;
      transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
    }

    .nav-trigger svg {
      width: 10px;
      height: 10px;
      opacity: 0.65;
      transition: transform 0.25s var(--ease);
    }

    .nav-item:hover .nav-trigger,
    .nav-item:focus-within .nav-trigger,
    .nav-item.is-open .nav-trigger {
      color: var(--accent-bright);
      border-bottom-color: var(--accent);
    }

    .nav-item:hover .nav-trigger svg,
    .nav-item.is-open .nav-trigger svg {
      transform: rotate(180deg);
    }

    .mega {
      position: absolute;
      top: 100%;
      left: 50%;
      transform: translateX(-50%) translateY(6px);
      width: min(720px, calc(100vw - 2rem));
      padding: 1.75rem 1.75rem 1.5rem;
      background: var(--bg-panel);
      border: 1px solid var(--line-strong);
      box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transition: opacity 0.22s var(--ease), transform 0.22s var(--ease), visibility 0.22s;
    }

    .nav-item:hover .mega,
    .nav-item:focus-within .mega,
    .nav-item.is-open .mega {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
      transform: translateX(-50%) translateY(0);
    }

    .mega-grid {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 1.75rem;
    }

    .mega-label {
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--fg-subtle);
      margin-bottom: 0.85rem;
    }

    .mega-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.15rem;
    }

    .mega-list a {
      display: block;
      padding: 0.55rem 0.65rem;
      margin-inline: -0.65rem;
      font-size: 0.95rem;
      font-weight: 500;
      transition: background 0.15s, color 0.15s;
    }

    .mega-list a:hover {
      background: rgba(61, 156, 240, 0.12);
      color: var(--accent-bright);
    }

    .mega-list a em {
      display: block;
      font-style: normal;
      font-size: 0.8rem;
      font-weight: 400;
      color: var(--fg-subtle);
      margin-top: 0.15rem;
    }

    .mega-feature {
      padding: 1.15rem;
      background:
        linear-gradient(145deg, rgba(61, 156, 240, 0.18), transparent 60%),
        var(--bg-elevated);
      border-left: 3px solid var(--accent);
    }

    .mega-feature h3 {
      font-family: var(--font-serif);
      font-size: 1.05rem;
      font-weight: 400;
      line-height: 1.35;
      margin-bottom: 0.65rem;
    }

    .mega-feature p {
      font-size: 0.875rem;
      color: var(--fg-muted);
      margin-bottom: 0.9rem;
    }

    .mega-feature a {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--accent-bright);
    }

    .mega-feature a:hover {
      text-decoration: underline;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      flex-shrink: 0;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.7rem 1.25rem;
      font-size: 0.875rem;
      font-weight: 600;
      letter-spacing: 0.02em;
      border: 1px solid transparent;
      transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
    }

    .btn-primary {
      background: var(--accent);
      color: #061018;
    }

    .btn-primary:hover {
      background: var(--accent-bright);
      transform: translateY(-1px);
    }

    .btn-ghost {
      border-color: var(--line-strong);
      color: var(--fg);
    }

    .btn-ghost:hover {
      border-color: var(--accent);
      color: var(--accent-bright);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--line-strong);
    }

    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after {
      display: block;
      width: 18px;
      height: 1.5px;
      background: var(--fg);
      position: relative;
    }

    .menu-toggle span::before,
    .menu-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
    }

    .menu-toggle span::before { top: -6px; }
    .menu-toggle span::after { top: 6px; }

    /* ——— Hero ——— */
    .hero {
      position: relative;
      min-height: calc(100vh - var(--nav-h) - 40px);
      display: grid;
      align-items: end;
      overflow: hidden;
      border-bottom: 1px solid var(--line);
    }

    .hero-visual {
      position: absolute;
      inset: 0;
      z-index: 0;
      background:
        linear-gradient(105deg, rgba(15, 20, 25, 0.92) 0%, rgba(15, 20, 25, 0.55) 48%, rgba(15, 20, 25, 0.35) 100%),
        radial-gradient(ellipse at 75% 45%, rgba(61, 156, 240, 0.22), transparent 55%),
        linear-gradient(180deg, transparent 40%, var(--bg) 100%),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 800'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='0' y1='0' x2='1' y2='1'%3E%3Cstop stop-color='%231a3a5c'/%3E%3Cstop offset='1' stop-color='%230f1419'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect fill='url(%23g)' width='1200' height='800'/%3E%3Cg stroke='%233d9cf0' stroke-opacity='0.18' fill='none' stroke-width='1'%3E%3Cpath d='M80 640 C220 420 340 520 480 300 S780 180 920 120'/%3E%3Cpath d='M40 700 C200 500 360 580 520 360 S820 220 1100 200'/%3E%3Cpath d='M120 580 C280 400 400 460 560 280 S860 160 1080 80'/%3E%3C/g%3E%3Cg fill='%233d9cf0'%3E%3Ccircle cx='480' cy='300' r='4' fill-opacity='0.7'/%3E%3Ccircle cx='920' cy='120' r='3.5' fill-opacity='0.55'/%3E%3Ccircle cx='560' cy='280' r='3' fill-opacity='0.5'/%3E%3Ccircle cx='520' cy='360' r='3' fill-opacity='0.45'/%3E%3Ccircle cx='780' cy='180' r='2.5' fill-opacity='0.4'/%3E%3C/g%3E%3C/svg%3E") center/cover no-repeat;
    }

    .hero-visual::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(15, 20, 25, 0.5) 0%, transparent 55%);
      animation: veil 8s ease-in-out infinite alternate;
    }

    @keyframes veil {
      from { opacity: 0.35; }
      to { opacity: 0.7; }
    }

    .hero-content {
      position: relative;
      z-index: 1;
      padding: 5.5rem 0 4.5rem;
      max-width: 42rem;
      animation: rise 0.9s var(--ease) both;
    }

    @keyframes rise {
      from {
        opacity: 0;
        transform: translateY(28px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .eyebrow {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--accent-bright);
      margin-bottom: 1.25rem;
    }

    .hero h1 {
      font-family: var(--font-serif);
      font-size: clamp(2.35rem, 5.4vw, 3.85rem);
      font-weight: 400;
      line-height: 1.15;
      letter-spacing: -0.02em;
      margin-bottom: 1.25rem;
    }

    .hero h1 .brand-inline {
      font-weight: 700;
    }

    .hero-lead {
      font-size: 1.125rem;
      color: var(--fg-muted);
      max-width: 34ch;
      margin-bottom: 2rem;
      line-height: 1.55;
    }

    .hero-ctas {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
    }

    .hero-ctas .btn {
      min-width: 10.5rem;
      padding: 0.9rem 1.4rem;
    }

    /* ——— Section shared ——— */
    section {
      padding: 5.5rem 0;
      border-bottom: 1px solid var(--line);
    }

    .section-kicker {
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--accent-bright);
      margin-bottom: 0.85rem;
    }

    .section-title {
      font-family: var(--font-serif);
      font-size: clamp(1.85rem, 3.5vw, 2.65rem);
      font-weight: 400;
      line-height: 1.2;
      letter-spacing: -0.02em;
      max-width: 18ch;
      margin-bottom: 1rem;
    }

    .section-intro {
      font-size: 1.0625rem;
      color: var(--fg-muted);
      max-width: 48ch;
      line-height: 1.6;
    }

    .section-head {
      margin-bottom: 3rem;
    }

    /* ——— Promise / about strip ——— */
    .promise {
      background: linear-gradient(180deg, rgba(26, 42, 61, 0.35), transparent);
    }

    .promise-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 3.5rem;
      align-items: start;
    }

    .promise-copy .section-title {
      max-width: 22ch;
    }

    .promise-points {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
      padding-top: 0.5rem;
    }

    .promise-points li {
      padding-left: 1.15rem;
      border-left: 2px solid var(--accent);
    }

    .promise-points strong {
      display: block;
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 0.3rem;
    }

    .promise-points span {
      font-size: 0.95rem;
      color: var(--fg-muted);
      line-height: 1.5;
    }

    /* ——— Capabilities ——— */
    .capabilities-list {
      list-style: none;
      border-top: 1px solid var(--line);
    }

    .cap-row {
      display: grid;
      grid-template-columns: 2.2rem 1fr auto;
      gap: 1.25rem;
      align-items: baseline;
      padding: 1.65rem 0;
      border-bottom: 1px solid var(--line);
      transition: background 0.2s, padding-left 0.25s var(--ease);
    }

    .cap-row:hover {
      background: rgba(61, 156, 240, 0.06);
      padding-left: 0.75rem;
    }

    .cap-num {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--fg-subtle);
      letter-spacing: 0.04em;
    }

    .cap-body h3 {
      font-family: var(--font-serif);
      font-size: 1.35rem;
      font-weight: 400;
      margin-bottom: 0.4rem;
    }

    .cap-body p {
      font-size: 0.975rem;
      color: var(--fg-muted);
      max-width: 52ch;
      line-height: 1.55;
    }

    .cap-link {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--accent-bright);
      white-space: nowrap;
      align-self: center;
    }

    .cap-link:hover {
      text-decoration: underline;
    }

    /* ——— Industries ——— */
    .industries-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1px;
      background: var(--line);
      border: 1px solid var(--line);
    }

    .industry {
      display: block;
      background: rgba(15, 20, 25, 0.65);
      padding: 1.75rem 1.5rem;
      min-height: 9.5rem;
      color: inherit;
      transition: background 0.2s;
    }

    .industry:hover {
      background: var(--bg-elevated);
    }

    a.industry:hover h3 {
      color: var(--accent-bright);
    }

    .industry h3 {
      font-size: 1.05rem;
      font-weight: 600;
      margin-bottom: 0.45rem;
    }

    .industry p {
      font-size: 0.9rem;
      color: var(--fg-muted);
      line-height: 1.5;
    }

    .industry-cta {
      display: inline-block;
      margin-top: 0.85rem;
      font-size: 0.8125rem;
      font-weight: 600;
      color: var(--accent-bright);
    }

    a.industry-link {
      border-left: 2px solid transparent;
    }

    a.industry-link:hover {
      border-left-color: var(--accent);
    }

    /* ——— Insights ——— */
    .insights-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      gap: 1.5rem;
    }

    .insight {
      display: flex;
      flex-direction: column;
      min-height: 100%;
      border-top: 2px solid var(--accent);
      padding-top: 1.25rem;
      transition: transform 0.25s var(--ease);
    }

    .insight:hover {
      transform: translateY(-4px);
    }

    .insight-meta {
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--fg-subtle);
      margin-bottom: 0.85rem;
    }

    .insight h3 {
      font-family: var(--font-serif);
      font-size: clamp(1.15rem, 2vw, 1.55rem);
      font-weight: 400;
      line-height: 1.3;
      margin-bottom: 0.75rem;
    }

    .insight p {
      font-size: 0.925rem;
      color: var(--fg-muted);
      line-height: 1.55;
      margin-top: auto;
    }

    .insight-featured {
      padding-right: 1rem;
    }

    .insight-featured h3 {
      font-size: clamp(1.5rem, 2.6vw, 2rem);
    }

    /* ——— CTA band ——— */
    .cta-band {
      position: relative;
      overflow: hidden;
      background:
        radial-gradient(ellipse at 20% 50%, rgba(61, 156, 240, 0.2), transparent 55%),
        var(--bg-deep);
    }

    .cta-band .container {
      display: grid;
      grid-template-columns: 1.4fr auto;
      gap: 2rem;
      align-items: center;
    }

    .cta-band .section-title {
      max-width: 20ch;
      margin-bottom: 0.75rem;
    }

    /* ——— Footer ——— */
    .site-footer {
      padding: 3.5rem 0 2rem;
      background: var(--bg-deep);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.4fr repeat(3, 1fr);
      gap: 2rem;
      padding-bottom: 2.5rem;
      border-bottom: 1px solid var(--line);
      margin-bottom: 1.5rem;
    }

    .footer-brand {
      font-family: var(--font-serif);
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
    }

    .footer-brand span {
      color: var(--accent);
    }

    .footer-blurb {
      font-size: 0.9rem;
      color: var(--fg-muted);
      max-width: 28ch;
      line-height: 1.55;
    }

    .footer-col h4 {
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--fg-subtle);
      margin-bottom: 1rem;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.55rem;
    }

    .footer-col a {
      font-size: 0.9rem;
      color: var(--fg-muted);
    }

    .footer-col a:hover {
      color: var(--accent-bright);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 1rem;
      flex-wrap: wrap;
      font-size: 0.8rem;
      color: var(--fg-subtle);
    }

    /* ——— Mobile ——— */
    @media (max-width: 960px) {
      .utility { display: none; }

      .nav-primary,
      .nav-actions .btn-ghost {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .nav-primary.is-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--nav-h);
        left: 0;
        right: 0;
        background: var(--bg-panel);
        border-bottom: 1px solid var(--line-strong);
        padding: 0.5rem 0 1rem;
        height: auto;
        max-height: calc(100vh - var(--nav-h));
        overflow-y: auto;
        align-items: stretch;
        justify-content: flex-start;
      }

      .nav-item {
        flex-direction: column;
        align-items: stretch;
      }

      .nav-trigger {
        justify-content: space-between;
        height: auto;
        padding: 1rem 1.5rem;
        border-bottom: none;
        border-left: 2px solid transparent;
      }

      .nav-item.is-open .nav-trigger {
        border-left-color: var(--accent);
      }

      .mega {
        position: static;
        transform: none;
        width: 100%;
        border: none;
        box-shadow: none;
        background: transparent;
        padding: 0 1.5rem 1rem 1.75rem;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        display: none;
      }

      .nav-item.is-open .mega {
        display: block;
      }

      .mega-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
      }

      .hero {
        min-height: auto;
      }

      .hero-content {
        padding: 4rem 0 3.5rem;
      }

      .promise-grid,
      .insights-grid,
      .cta-band .container,
      .footer-top {
        grid-template-columns: 1fr;
      }

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

      .cap-row {
        grid-template-columns: 2rem 1fr;
      }

      .cap-link {
        grid-column: 2;
      }
    }

    @media (max-width: 640px) {
      .container {
        width: min(100% - 2rem, 1180px);
      }

      .hero-ctas {
        flex-direction: column;
      }

      .hero-ctas .btn {
        width: 100%;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation: none !important;
        transition: none !important;
      }
    }