html {
    scroll-behavior: smooth;
  }

  html,
  body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    background: #020617;
  }

  .co-page,
  .co-page * {
    box-sizing: border-box;
  }

  .co-page {
    width: 100%;
    min-height: 100vh;
    padding: 0;
    font-family: Inter, Arial, Helvetica, sans-serif;
    color: #ffffff;
    background:
      radial-gradient(circle at top, rgba(0, 212, 255, 0.08), transparent 30%),
      linear-gradient(180deg, #020617 0%, #07111f 50%, #020617 100%);
    overflow-x: hidden;
  }

  .co-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
  }

  .co-header {
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(2, 6, 23, 0.96);
    backdrop-filter: blur(16px);
  }

  .co-nav-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }

  .co-logo {
    font-size: 25px;
    line-height: 1;
    font-weight: 900;
    letter-spacing: -1px;
    color: #ffffff;
    text-decoration: none;
    white-space: nowrap;
  }

  .co-logo span {
    color: #00d4ff;
  }

  .co-nav {
    display: flex;
    align-items: center;
    gap: 34px;
  }

  .co-nav a,
  .co-footer-links a {
    color: rgba(255, 255, 255, 0.68);
    text-decoration: none;
    font-size: 15px;
    font-weight: 700;
  }

  .co-nav a:hover,
  .co-footer-links a:hover {
    color: #00d4ff;
  }

  .co-btn-primary,
  .co-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 14px 24px;
    border-radius: 14px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 800;
    line-height: 1;
    transition: 0.25s ease;
    white-space: nowrap;
  }

  .co-btn-primary {
    background: #00d4ff;
    color: #000000;
  }

  .co-btn-secondary {
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.02);
  }

  .co-btn-primary:hover,
  .co-btn-secondary:hover {
    transform: translateY(-2px);
  }

  .co-hero {
    padding: 74px 0 82px;
  }

  .co-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(340px, 0.86fr);
    gap: 64px;
    align-items: center;
  }

  .co-kicker {
    max-width: 620px;
    margin: 0 0 28px;
    color: #00d4ff;
    font-size: 13px;
    line-height: 1.45;
    font-weight: 900;
    letter-spacing: 5px;
    text-transform: uppercase;
  }

  .co-title {
    max-width: 760px;
    margin: 0 0 30px;
    color: #ffffff;
    font-size: clamp(46px, 5.1vw, 76px);
    line-height: 1;
    font-weight: 900;
    letter-spacing: -3px;
  }

  .co-gradient {
    display: block;
    color: #00d4ff;
    background: linear-gradient(to right, #ffffff, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .co-lead {
    max-width: 680px;
    margin: 0 0 34px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 21px;
    line-height: 1.72;
  }

  .co-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
  }

  .co-stats {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 22px;
    margin-top: 58px;
  }

  .co-stat h3 {
    margin: 0 0 8px;
    color: #00d4ff;
    font-size: 30px;
    line-height: 1;
    font-weight: 900;
  }

  .co-stat p {
    margin: 0;
    color: rgba(255, 255, 255, 0.52);
    font-size: 14px;
    line-height: 1.35;
  }

  .co-photo-wrap {
    position: relative;
    display: flex;
    justify-content: center;
  }

  .co-photo-glow {
    position: absolute;
    width: 430px;
    height: 430px;
    border-radius: 999px;
    background: rgba(0, 212, 255, 0.11);
    filter: blur(90px);
  }

  .co-photo-card {
    position: relative;
    width: 100%;
    max-width: 500px;
    padding: 16px;
    border-radius: 36px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    background: rgba(255, 255, 255, 0.035);
    backdrop-filter: blur(12px);
  }

  .co-photo-card img {
    display: block;
    width: 100%;
    aspect-ratio: 10 / 13;
    object-fit: cover;
    border-radius: 28px;
  }

  .co-section {
    padding: 82px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }

  .co-section-compact {
    padding: 64px 0;
  }

  .co-section-kicker {
    margin: 0 0 20px;
    color: #00d4ff;
    font-size: 12px;
    line-height: 1.4;
    font-weight: 900;
    letter-spacing: 5px;
    text-transform: uppercase;
  }

  .co-section-title {
    margin: 0;
    color: #ffffff;
    font-size: clamp(40px, 6vw, 82px);
    line-height: 1;
    font-weight: 900;
    letter-spacing: -3px;
  }

  .co-about-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
    gap: 72px;
    align-items: center;
  }

  .co-about-text p {
    margin: 0 0 26px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 18px;
    line-height: 1.9;
  }

  .co-about-text p:last-child {
    margin-bottom: 0;
  }

  .co-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    margin-top: 56px;
  }

  .co-split-cards {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
    margin-top: 48px;
  }

  .co-pill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
  }

  .co-pill {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 9px 14px;
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 13px;
    font-weight: 800;
    border: 1px solid rgba(0, 212, 255, 0.2);
    background: rgba(0, 212, 255, 0.055);
  }

  .co-method {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-top: 54px;
  }

  .co-method-step {
    padding: 26px;
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
  }

  .co-method-step strong {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    margin-bottom: 18px;
    border-radius: 12px;
    color: #020617;
    background: #00d4ff;
    font-size: 14px;
    font-weight: 900;
  }

  .co-method-step h3 {
    margin: 0 0 10px;
    color: #ffffff;
    font-size: 18px;
    line-height: 1.25;
  }

  .co-method-step p {
    margin: 0;
    color: rgba(255, 255, 255, 0.6);
    font-size: 15px;
    line-height: 1.62;
  }

  .co-card {
    display: block;
    min-height: 160px;
    padding: 30px;
    border-radius: 24px;
    text-decoration: none;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.09);
    background: rgba(255, 255, 255, 0.035);
  }

  .co-card h3 {
    margin: 0 0 14px;
    color: #ffffff;
    font-size: 22px;
    line-height: 1.2;
    font-weight: 850;
  }

  .co-card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.62);
    font-size: 16px;
    line-height: 1.65;
  }

  .co-card-link {
    display: inline-flex;
    margin-top: 20px;
    color: #00d4ff;
    font-size: 14px;
    font-weight: 900;
    text-decoration: none;
  }

  .co-contact-card {
    max-width: 960px;
    margin: 0 auto;
    padding: 46px 42px;
    text-align: center;
    border-radius: 34px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    background: rgba(255, 255, 255, 0.035);
    backdrop-filter: blur(12px);
  }

  .co-contact-card .co-section-title {
    margin-bottom: 24px;
  }

  .co-contact-card p {
    max-width: 680px;
    margin: 0 auto 32px;
    color: rgba(255, 255, 255, 0.64);
    font-size: 18px;
    line-height: 1.75;
  }

  .co-contact-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }

  .co-footer {
    padding: 34px 0 34px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: #020617;
  }

  .co-footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
  }

  .co-footer h3 {
    margin: 0 0 8px;
    color: #ffffff;
    font-size: 21px;
    font-weight: 900;
  }

  .co-footer p {
    margin: 0;
    color: rgba(255, 255, 255, 0.42);
    font-size: 14px;
  }

  .co-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 18px 24px;
  }

  .co-footer-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.55);
    font-size: 14px;
  }

  .co-social-icon {
    width: 18px;
    height: 18px;
    fill: currentColor;
    flex-shrink: 0;
  }

  .co-cert-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 24px;
    padding: 10px 14px;
    border-radius: 999px;
    color: #dffbff;
    font-size: 13px;
    font-weight: 850;
    line-height: 1.35;
    border: 1px solid rgba(0, 212, 255, 0.28);
    background: rgba(0, 212, 255, 0.08);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.08);
  }

  .co-cert-badge::before {
    content: "";
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: #00d4ff;
    box-shadow: 0 0 16px rgba(0, 212, 255, 0.85);
    flex-shrink: 0;
  }

  .co-cert-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: 24px;
    margin-top: 48px;
  }

  .co-cert-label {
    display: inline-flex;
    margin-bottom: 20px;
    color: #00d4ff;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 3px;
    text-transform: uppercase;
  }

  .co-cert-preview {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: 28px;
    align-items: center;
    padding: 20px;
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.025);
  }

  .co-cert-preview-media {
    display: block;
    overflow: hidden;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: #ffffff;
  }

  .co-cert-preview-media img {
    display: block;
    width: 100%;
    height: auto;
  }

  .co-cert-preview-copy {
    padding: 10px 10px 10px 4px;
  }

  .co-cert-preview-copy h3 {
    margin: 0 0 12px;
    color: #ffffff;
    font-size: 26px;
    line-height: 1.15;
  }

  .co-cert-preview-copy p {
    margin: 0 0 22px;
    color: rgba(255, 255, 255, 0.64);
    font-size: 16px;
    line-height: 1.7;
  }

  .co-credentials-title {
    grid-column: 1 / -1;
    margin: 18px 0 0;
  }

  .co-credentials-title h3 {
    margin: 0 0 10px;
    color: #ffffff;
    font-size: 28px;
    line-height: 1.15;
  }

  .co-credentials-title p {
    max-width: 760px;
    margin: 0;
    color: rgba(255, 255, 255, 0.58);
    font-size: 15px;
    line-height: 1.7;
  }

  .co-credential-list {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .co-credential-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 24px;
    min-height: 250px;
    padding: 26px;
    border-radius: 24px;
    text-decoration: none;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background:
      radial-gradient(circle at top right, rgba(0, 212, 255, 0.07), transparent 34%),
      rgba(255, 255, 255, 0.028);
    transition: 0.25s ease;
  }

  .co-credential-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 212, 255, 0.28);
    background:
      radial-gradient(circle at top right, rgba(0, 212, 255, 0.11), transparent 38%),
      rgba(255, 255, 255, 0.04);
  }

  .co-credential-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    color: #020617;
    background: #00d4ff;
    font-size: 13px;
    font-weight: 950;
  }

  .co-credential-card h4 {
    margin: 18px 0 10px;
    color: #ffffff;
    font-size: 21px;
    line-height: 1.24;
  }

  .co-credential-card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.58);
    font-size: 14px;
    line-height: 1.65;
  }

  .co-credential-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #00d4ff;
    font-size: 13px;
    font-weight: 900;
  }

  .co-cert-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 22px;
  }

  .co-cert-meta span {
    display: inline-flex;
    padding: 8px 11px;
    border-radius: 10px;
    color: #dffbff;
    font-size: 12px;
    font-weight: 800;
    border: 1px solid rgba(0, 212, 255, 0.18);
    background: rgba(0, 212, 255, 0.06);
  }

  @media (max-width: 1100px) {
    .co-hero-grid,
    .co-about-grid {
      grid-template-columns: 1fr;
    }

    .co-photo-wrap {
      justify-content: flex-start;
    }

    .co-cards {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .co-method,
    .co-split-cards {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .co-cert-grid {
      grid-template-columns: 1fr;
    }

    .co-cert-preview {
      grid-template-columns: 1fr;
    }

    .co-cert-preview-copy {
      padding: 4px;
    }

    .co-credential-list {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .co-credential-card {
      min-height: auto;
    }
  }

  @media (max-width: 760px) {
    .co-page {
      width: 100%;
      overflow-x: hidden;
    }

    .co-container {
      max-width: 100%;
      padding-left: 20px;
      padding-right: 20px;
    }

    .co-nav {
      display: none;
    }

    .co-nav-inner {
      min-height: 64px;
      align-items: center;
    }

    .co-logo {
      font-size: 20px;
      letter-spacing: -0.5px;
      max-width: 160px;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .co-header .co-btn-primary {
      width: auto;
      min-height: 42px;
      padding: 12px 16px;
      font-size: 13px;
      border-radius: 12px;
    }

    .co-btn-primary,
    .co-btn-secondary {
      width: 100%;
      min-height: 48px;
      padding: 14px 18px;
      font-size: 14px;
      border-radius: 14px;
    }

    .co-hero {
      padding: 38px 0 58px;
    }

    .co-kicker {
      max-width: 100%;
      margin-bottom: 22px;
      font-size: 11px;
      letter-spacing: 3px;
      overflow-wrap: break-word;
    }

    .co-title {
      max-width: 100%;
      font-size: clamp(38px, 11vw, 52px);
      line-height: 1.04;
      letter-spacing: -1.5px;
      overflow-wrap: break-word;
    }

    .co-lead {
      max-width: 100%;
      font-size: 18px;
    }

    .co-actions,
    .co-contact-actions {
      width: 100%;
    }

    .co-actions .co-btn-primary,
    .co-actions .co-btn-secondary,
    .co-contact-actions .co-btn-primary,
    .co-contact-actions .co-btn-secondary {
      flex: 1 1 100%;
    }

    .co-stats {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .co-cards {
      grid-template-columns: 1fr;
    }

    .co-method,
    .co-split-cards {
      grid-template-columns: 1fr;
    }

    .co-cert-badge {
      align-items: flex-start;
      border-radius: 16px;
    }

    .co-credential-list {
      grid-template-columns: 1fr;
    }

    .co-cert-preview {
      padding: 12px;
      border-radius: 22px;
    }

    .co-cert-preview-media {
      border-radius: 16px;
    }

    .co-cert-preview-copy {
      padding: 10px 8px 6px;
    }

    .co-section {
      padding: 62px 0;
    }

    .co-section-compact {
      padding: 48px 0;
    }

    .co-section-title {
      max-width: 100%;
      font-size: clamp(38px, 12vw, 58px);
      letter-spacing: -2px;
      overflow-wrap: break-word;
    }

    .co-contact-card {
      padding: 34px 20px;
      border-radius: 26px;
    }

    .co-footer {
      padding-bottom: 30px;
    }

    .co-footer-inner {
      flex-direction: column;
      align-items: flex-start;
    }

    .co-footer-links {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px 24px;
    }
  }

/* Accessibility and production hardening */
:focus-visible {
  outline: 3px solid #00d4ff;
  outline-offset: 3px;
}

a,
button {
  -webkit-tap-highlight-color: transparent;
}

img {
  max-width: 100%;
}

.co-nav a,
.co-footer-links a,
.co-btn-primary,
.co-btn-secondary,
.co-card,
.co-credential-card {
  transition:
    transform 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease,
    background-color 0.2s ease,
    box-shadow 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}