:root {
      color-scheme: light dark;
      --bg-dark: #030712;
      --bg-light: #f3f6fb;
      --surface-dark: rgba(15, 23, 42, 0.78);
      --surface-light: rgba(255, 255, 255, 0.94);
      --border-dark: rgba(148, 163, 184, 0.22);
      --border-light: rgba(15, 23, 42, 0.08);
      --accent: #22d3ee;
      --accent-strong: #0ea5e9;
      --accent-alt: #4ade80;
      --text-dark: #e2e8f0;
      --text-light: #0f172a;
      --muted-dark: #94a3b8;
      --muted-light: #475569;
      --shadow-dark: 0 24px 50px rgba(2, 6, 23, 0.55);
      --shadow-light: 0 22px 48px rgba(15, 23, 42, 0.08);
    }

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

    body {
      font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background: var(--bg-dark);
      color: var(--text-dark);
      line-height: 1.65;
      letter-spacing: -0.01em;
    }

    body.light {
      background: var(--bg-light);
      color: var(--text-light);
    }

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

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

    .page {
      min-height: 100vh;
      position: relative;
      overflow-x: hidden;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
      padding: 1rem clamp(1rem, 4vw, 3rem);
      background: rgba(3, 7, 18, 0.82);
      border-bottom: 1px solid rgba(148, 163, 184, 0.18);
      backdrop-filter: blur(14px);
    }

    body.light .site-header {
      background: linear-gradient(90deg, rgba(248, 250, 252, 0.94), rgba(226, 232, 240, 0.92));
      border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 0.85rem;
      text-decoration: none;
    }

    .logo-wrap {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0.35rem 0.55rem;
      border-radius: 14px;
      background: rgba(226, 232, 240, 0.12);
      box-shadow: 0 10px 28px rgba(15, 23, 42, 0.35);
    }

    body.light .logo-wrap {
      background: rgba(15, 23, 42, 0.12);
      box-shadow: 0 12px 28px rgba(15, 23, 42, 0.18);
    }

    .site-header .logo {
      height: 60px;
      width: auto;
      object-fit: contain;
      filter: drop-shadow(0 6px 12px rgba(2, 6, 23, 0.45));
    }

    body.light .site-header .logo {
      filter: drop-shadow(0 6px 12px rgba(15, 23, 42, 0.35));
    }

    .site-title {
      font-weight: 800;
      font-size: clamp(1.35rem, 3vw, 1.8rem);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: inherit;
      white-space: nowrap;
    }

    .site-social {
      display: flex;
      align-items: center;
      gap: 0.65rem;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .site-social a {
      display: inline-flex;
      align-items: center;
      gap: 0.45rem;
      padding: 0.45rem 0.9rem;
      border-radius: 999px;
      border: 1px solid rgba(148, 163, 184, 0.3);
      font-weight: 600;
      font-size: 0.9rem;
      transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
      background: rgba(15, 23, 42, 0.3);
    }

    body.light .site-social a {
      background: rgba(255, 255, 255, 0.9);
      border-color: rgba(15, 23, 42, 0.12);
    }

    .site-social a:hover {
      transform: translateY(-2px);
      border-color: var(--accent-alt);
      color: var(--accent);
      background: rgba(15, 23, 42, 0.4);
    }

    body.light .site-social a:hover {
      background: rgba(15, 23, 42, 0.08);
    }

    .site-social .icon {
      width: 1.1rem;
      height: 1.1rem;
      display: inline-flex;
    }

    .site-social .icon svg {
      width: 100%;
      height: 100%;
    }

    .site-social .label {
      white-space: nowrap;
    }

    .hero {
      position: relative;
      padding: clamp(4rem, 8vw, 6rem) clamp(1.5rem, 6vw, 4rem) clamp(3rem, 6vw, 4.5rem);
      background: radial-gradient(circle at top left, rgba(34, 211, 238, 0.25), transparent 58%),
        radial-gradient(circle at top right, rgba(74, 222, 128, 0.2), transparent 55%),
        linear-gradient(160deg, rgba(15, 23, 42, 0.92), rgba(2, 6, 23, 0.72));
      border-bottom: 1px solid rgba(148, 163, 184, 0.18);
    }

    body.light .hero {
      background: radial-gradient(circle at top left, rgba(34, 211, 238, 0.28), transparent 60%),
        radial-gradient(circle at top right, rgba(14, 165, 233, 0.25), transparent 58%),
        linear-gradient(155deg, rgba(242, 249, 255, 0.95), rgba(224, 243, 255, 0.7));
      border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    }

    .hero-inner {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: clamp(2rem, 5vw, 3.5rem);
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 0.45rem;
      padding: 0.35rem 0.9rem;
      border-radius: 999px;
      background: rgba(148, 163, 184, 0.2);
      border: 1px solid rgba(148, 163, 184, 0.25);
      font-weight: 700;
      letter-spacing: 0.1em;
      font-size: 0.72rem;
      text-transform: uppercase;
      margin-bottom: 1.25rem;
    }

    body.light .eyebrow {
      background: rgba(15, 23, 42, 0.07);
      border-color: rgba(15, 23, 42, 0.12);
      color: var(--muted-light);
    }

    h1 {
      font-size: clamp(2.4rem, 6vw, 3.6rem);
      line-height: 1.08;
      font-weight: 800;
      margin-bottom: 1.1rem;
    }

    .hero p {
      font-size: 1.05rem;
      color: rgba(226, 232, 240, 0.88);
      margin-bottom: 1.5rem;
    }

    body.light .hero p {
      color: rgba(15, 23, 42, 0.78);
    }

    .hero-highlights {
      list-style: none;
      display: grid;
      gap: 0.65rem;
      margin-bottom: 2rem;
    }

    .hero-highlights li {
      display: flex;
      align-items: flex-start;
      gap: 0.6rem;
      font-weight: 600;
      color: rgba(226, 232, 240, 0.92);
    }

    body.light .hero-highlights li {
      color: rgba(15, 23, 42, 0.8);
    }

    .hero-highlights li::before {
      content: "";
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--accent), var(--accent-alt));
      margin-top: 0.35rem;
      flex-shrink: 0;
      box-shadow: 0 0 14px rgba(34, 211, 238, 0.55);
    }

    .cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0.95rem 1.9rem;
      border-radius: 999px;
      font-weight: 700;
      font-size: 0.95rem;
      cursor: pointer;
      border: 1px solid transparent;
      transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent-alt), var(--accent));
      color: #041016;
      box-shadow: 0 22px 46px rgba(74, 222, 128, 0.32);
    }

    .btn-primary:hover {
      transform: translateY(-3px) scale(1.01);
      box-shadow: 0 28px 56px rgba(34, 211, 238, 0.32);
    }

    .btn-ghost {
      border: 1px solid rgba(148, 163, 184, 0.4);
      color: var(--text-dark);
      background: rgba(15, 23, 42, 0.35);
    }

    body.light .btn-ghost {
      color: var(--text-light);
      background: rgba(255, 255, 255, 0.85);
      border-color: rgba(15, 23, 42, 0.14);
    }

    .btn-ghost:hover {
      transform: translateY(-3px);
      border-color: var(--accent);
      color: var(--accent);
    }

    .hero-portrait {
      display: grid;
      justify-items: center;
      gap: 1.25rem;
    }

    .portrait-ring {
      width: clamp(280px, 32vw, 420px);
      aspect-ratio: 1 / 1;
      border-radius: 50%;
      padding: 18px;
      background: linear-gradient(135deg, rgba(148, 163, 184, 0.45), rgba(74, 222, 128, 0.55));
      box-shadow: 0 40px 90px rgba(15, 23, 42, 0.38);
      display: grid;
      place-items: center;
    }

    .portrait-ring img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      object-fit: cover;
      border: 8px solid rgba(3, 7, 18, 0.85);
      background: #0f172a;
    }

    body.light .portrait-ring img {
      border-color: rgba(255, 255, 255, 0.95);
      background: #fff;
    }

    .portrait-caption {
      font-size: 0.95rem;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: rgba(226, 232, 240, 0.82);
    }

    body.light .portrait-caption {
      color: rgba(15, 23, 42, 0.7);
    }

    section {
      padding: clamp(3.5rem, 7vw, 5rem) clamp(1.5rem, 6vw, 4rem);
    }

    .section-heading {
      max-width: 780px;
      margin: 0 auto 3rem;
      text-align: center;
    }

    .section-heading h2 {
      font-size: clamp(1.9rem, 4vw, 2.8rem);
      font-weight: 800;
      margin-bottom: 1rem;
    }

    .section-heading p {
      color: rgba(226, 232, 240, 0.75);
      font-size: 1.05rem;
    }

    body.light .section-heading p {
      color: rgba(15, 23, 42, 0.68);
    }

    .grid {
      display: grid;
      gap: 1.75rem;
      max-width: 1100px;
      margin: 0 auto;
    }

    .grid-two {
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    .grid-three {
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }

    .progression {
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }

    .progression-card h3 {
      font-size: 1.35rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
    }

    .progression-card p {
      margin-bottom: 1.1rem;
    }

    .progression-card ul {
      list-style: none;
      display: grid;
      gap: 0.6rem;
      padding: 0;
      margin: 0;
    }

    .progression-card ul li {
      position: relative;
      padding-left: 1.4rem;
    }

    .progression-card ul li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.45rem;
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--accent-alt), var(--accent));
      box-shadow: 0 0 12px rgba(34, 211, 238, 0.45);
    }

    .card {
      padding: clamp(1.75rem, 4vw, 2.25rem);
      border-radius: 28px;
      background: var(--surface-dark);
      border: 1px solid var(--border-dark);
      box-shadow: var(--shadow-dark);
    }

    body.light .card {
      background: var(--surface-light);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-light);
    }

    .pill {
      display: inline-flex;
      align-items: center;
      padding: 0.4rem 0.9rem;
      border-radius: 999px;
      background: rgba(148, 163, 184, 0.2);
      border: 1px solid rgba(148, 163, 184, 0.25);
      font-weight: 700;
      text-transform: uppercase;
      font-size: 0.75rem;
      letter-spacing: 0.08em;
      margin-bottom: 1rem;
    }

    body.light .pill {
      background: rgba(15, 23, 42, 0.07);
      border-color: rgba(15, 23, 42, 0.12);
      color: var(--muted-light);
    }

    .muted {
      color: rgba(148, 163, 184, 0.78);
    }

    body.light .muted {
      color: rgba(71, 85, 105, 0.82);
    }

    .timeline {
      display: grid;
      gap: 1.5rem;
    }

    .timeline-item h3 {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 0.4rem;
    }

    .timeline-item span {
      display: block;
      font-size: 0.95rem;
      color: rgba(148, 163, 184, 0.78);
      margin-bottom: 0.75rem;
    }

    body.light .timeline-item span {
      color: rgba(71, 85, 105, 0.75);
    }

    .timeline-item ul {
      list-style: none;
      display: grid;
      gap: 0.5rem;
      font-size: 0.97rem;
    }

    .timeline-item ul li {
      padding-left: 1.2rem;
      position: relative;
    }

    .timeline-item ul li::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent);
      position: absolute;
      top: 0.55rem;
      left: 0;
    }

    .list-cols {
      display: grid;
      gap: 0.75rem;
      list-style: none;
    }

    .list-cols li {
      padding: 0.65rem 0.8rem;
      border-radius: 14px;
      background: rgba(148, 163, 184, 0.14);
      border: 1px solid rgba(148, 163, 184, 0.18);
      font-weight: 600;
    }

    body.light .list-cols li {
      background: rgba(15, 23, 42, 0.06);
      border-color: rgba(15, 23, 42, 0.08);
    }

    .insight-category {
      margin-bottom: clamp(3rem, 6vw, 4.5rem);
    }

    .insight-category:last-of-type {
      margin-bottom: 0;
    }

    .category-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 2.25rem;
      display: grid;
      gap: 0.75rem;
    }

    .category-header h3 {
      font-size: clamp(1.5rem, 3.2vw, 2.1rem);
      font-weight: 800;
    }

    .category-header p {
      color: rgba(226, 232, 240, 0.78);
      font-size: 1.02rem;
    }

    body.light .category-header p {
      color: rgba(15, 23, 42, 0.68);
    }

    .insight-grid {
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }

    .contact-grid {
      align-items: stretch;
    }

    .contact-form {
      display: grid;
      gap: 0.85rem;
    }

    .contact-form input,
    .contact-form textarea {
      width: 100%;
      padding: 0.85rem 1rem;
      border-radius: 14px;
      border: 1px solid rgba(148, 163, 184, 0.25);
      background: rgba(15, 23, 42, 0.4);
      color: inherit;
      font-size: 1rem;
      transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

    body.light .contact-form input,
    body.light .contact-form textarea {
      background: rgba(255, 255, 255, 0.9);
      border-color: rgba(15, 23, 42, 0.12);
      color: var(--text-light);
    }

    .contact-form input:focus,
    .contact-form textarea:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.25);
      background: rgba(15, 23, 42, 0.55);
    }

    body.light .contact-form input:focus,
    body.light .contact-form textarea:focus {
      background: rgba(255, 255, 255, 1);
    }

    .contact-form textarea {
      resize: vertical;
      min-height: 160px;
    }

    .contact-form .btn {
      width: 100%;
      justify-content: center;
      margin-top: 0.5rem;
    }

    .contact-form input::placeholder,
    .contact-form textarea::placeholder {
      color: rgba(226, 232, 240, 0.7);
    }

    body.light .contact-form input::placeholder,
    body.light .contact-form textarea::placeholder {
      color: rgba(71, 85, 105, 0.6);
    }

    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      border: 0;
    }

    .blog-card {
      display: flex;
      flex-direction: column;
      gap: 0.9rem;
      height: 100%;
      cursor: pointer;
      transition: transform 0.25s ease, border-color 0.25s ease;
    }

    .blog-card h3 {
      font-size: 1.2rem;
      line-height: 1.35;
      font-weight: 700;
    }

    .blog-card p {
      color: rgba(226, 232, 240, 0.78);
      flex-grow: 1;
      font-size: 0.97rem;
    }

    body.light .blog-card p {
      color: rgba(15, 23, 42, 0.68);
    }

    .blog-card span {
      text-transform: uppercase;
      letter-spacing: 0.09em;
      font-size: 0.72rem;
      font-weight: 700;
      color: var(--muted-dark);
    }

    body.light .blog-card span {
      color: var(--muted-light);
    }

    .blog-card .link {
      font-weight: 700;
      color: var(--accent);
      text-transform: uppercase;
      font-size: 0.74rem;
      letter-spacing: 0.12em;
    }

    .blog-card:hover {
      transform: translateY(-6px);
      border-color: var(--accent);
    }

    .blog-detail {
      padding: clamp(4rem, 7vw, 5rem) clamp(1.5rem, 5vw, 3.5rem) clamp(3rem, 6vw, 4rem);
      background: radial-gradient(circle at top right, rgba(34, 211, 238, 0.18), transparent 55%);
    }

    body.light .blog-detail {
      background: radial-gradient(circle at top right, rgba(14, 165, 233, 0.18), transparent 55%),
        linear-gradient(160deg, rgba(255, 255, 255, 0.82), rgba(243, 246, 251, 0.95));
    }

    .blog-detail article {
      max-width: 920px;
      margin: 0 auto;
      padding: clamp(2.5rem, 5vw, 3rem);
      background: rgba(15, 23, 42, 0.78);
      border: 1px solid rgba(148, 163, 184, 0.18);
      border-radius: 28px;
      box-shadow: var(--shadow-dark);
      display: grid;
      gap: 1.5rem;
    }

    body.light .blog-detail article {
      background: rgba(255, 255, 255, 0.94);
      border: 1px solid rgba(15, 23, 42, 0.08);
      box-shadow: var(--shadow-light);
    }

    .blog-detail .meta {
      font-size: 0.95rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--muted-dark);
    }

    body.light .blog-detail .meta {
      color: var(--muted-light);
    }

    .blog-detail h1 {
      font-size: clamp(2rem, 4vw, 2.8rem);
      line-height: 1.2;
      font-weight: 800;
    }

    .blog-detail p {
      font-size: 1.05rem;
      color: rgba(226, 232, 240, 0.88);
    }

    body.light .blog-detail p {
      color: rgba(15, 23, 42, 0.78);
    }

    .blog-detail ul {
      display: grid;
      gap: 0.8rem;
      padding-left: 1.2rem;
    }

    .blog-detail ul li {
      font-size: 1.02rem;
    }

    .blog-detail .back-link {
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--accent);
    }

    .blog-detail .back-link svg {
      width: 20px;
      height: 20px;
    }

    .blog-detail footer {
      margin-top: 2rem;
    }

    footer {
      padding: clamp(2.5rem, 5vw, 3.5rem) clamp(1.5rem, 5vw, 3.5rem) 2rem;
      background: rgba(15, 23, 42, 0.85);
      border-top: 1px solid var(--border-dark);
    }

    body.light footer {
      background: rgba(255, 255, 255, 0.94);
      border-top: 1px solid var(--border-light);
    }

    .footer-inner {
      max-width: 1100px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 1rem;
      align-items: center;
      text-align: center;
    }

    .footer-inner p {
      color: rgba(226, 232, 240, 0.78);
      font-size: 0.98rem;
    }

    body.light .footer-inner p {
      color: rgba(15, 23, 42, 0.68);
    }

    .footer-title {
      font-size: 1.6rem;
      font-weight: 800;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    .footer-inner .muted {
      font-size: 0.9rem;
    }

    .toggle {
      position: fixed;
      bottom: 1.5rem;
      right: 1.5rem;
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      padding: 0.75rem 1.35rem;
      border-radius: 999px;
      border: 1px solid rgba(148, 163, 184, 0.3);
      background: rgba(15, 23, 42, 0.7);
      color: rgba(226, 232, 240, 0.88);
      cursor: pointer;
      font-weight: 600;
      backdrop-filter: blur(10px);
      box-shadow: 0 24px 40px rgba(2, 6, 23, 0.4);
      z-index: 40;
    }

    body.light .toggle {
      background: rgba(255, 255, 255, 0.9);
      color: var(--text-light);
      border-color: rgba(15, 23, 42, 0.1);
      box-shadow: 0 20px 30px rgba(15, 23, 42, 0.12);
    }

    @media (max-width: 900px) {
      .site-header {
        position: static;
        flex-direction: column;
        gap: 0.75rem;
      }

      .brand {
        justify-content: center;
      }

      .site-social {
        justify-content: center;
      }
    }

    @media (max-width: 640px) {
      .hero {
        padding-top: 3.5rem;
      }

      .cta-group {
        flex-direction: column;
        align-items: stretch;
      }

      .toggle {
        left: 1.5rem;
        right: auto;
      }
    }