@layer components, responsive;

@layer components {
  .content-page {
    min-width: 0;
    overflow-x: clip;
    background:
      radial-gradient(
        circle at 12% 8%,
        rgba(34, 140, 255, 0.11),
        transparent 30rem
      ),
      radial-gradient(
        circle at 88% 28%,
        rgba(67, 216, 242, 0.07),
        transparent 34rem
      ),
      #070c13;
  }

  .content-atmosphere {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image:
      linear-gradient(rgba(67, 216, 242, 0.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(67, 216, 242, 0.035) 1px, transparent 1px);
    background-size: 58px 58px;
    mask-image: linear-gradient(to bottom, black 0, transparent 92%);
  }

  .content-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    min-height: 78px;
    padding: 10px var(--gutter);
    border-bottom: 1px solid rgba(156, 210, 231, 0.18);
    background: rgba(7, 12, 19, 0.72);
    -webkit-backdrop-filter: blur(18px) saturate(130%);
    backdrop-filter: blur(18px) saturate(130%);
  }

  .content-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-height: 48px;
    color: var(--text);
    font: 700 13px/1 var(--mono);
    letter-spacing: 0.12em;
    text-decoration: none;
  }

  .content-brand img {
    width: 46px;
    height: 46px;
    object-fit: contain;
  }

  .content-brand b {
    color: var(--cyan);
  }

  .content-header nav {
    display: flex;
    align-items: center;
    gap: clamp(8px, 1.8vw, 28px);
  }

  .content-header nav a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding-inline: 8px;
    color: var(--muted);
    font: 700 10px/1.2 var(--mono);
    letter-spacing: 0.08em;
    text-decoration: none;
    text-transform: uppercase;
    transition:
      color 180ms ease,
      border-color 180ms ease,
      background 180ms ease;
  }

  .content-header nav a:hover,
  .content-header nav a:focus-visible {
    color: var(--text);
  }

  .content-header nav .header-cta {
    padding-inline: 18px;
    border: 1px solid rgba(67, 216, 242, 0.58);
    color: var(--cyan);
  }

  .content-header nav .header-cta:hover {
    background: rgba(67, 216, 242, 0.1);
    border-color: var(--cyan);
  }

  .content-page main,
  .content-channel,
  .content-footer {
    width: min(calc(100% - var(--gutter) * 2), 1180px);
    margin-inline: auto;
  }

  .content-hero {
    position: relative;
    max-width: 1040px;
    padding: clamp(76px, 10vw, 142px) 0 clamp(82px, 11vw, 150px);
  }

  .content-hero::after {
    position: absolute;
    right: 2%;
    bottom: 9%;
    width: min(32vw, 310px);
    height: 1px;
    content: "";
    background: linear-gradient(90deg, transparent, rgba(67, 216, 242, 0.8));
    box-shadow: 0 0 20px rgba(67, 216, 242, 0.45);
  }

  .breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: clamp(48px, 7vw, 82px);
    color: var(--faint);
    font: 10px/1.4 var(--mono);
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .breadcrumb a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    color: var(--muted);
  }

  .breadcrumb a:hover {
    color: var(--cyan);
  }

  .content-eyebrow,
  .section-label {
    color: var(--cyan);
    font: 700 10px/1.5 var(--mono);
    letter-spacing: 0.16em;
    text-transform: uppercase;
  }

  .content-eyebrow {
    margin-bottom: 22px;
  }

  .content-hero h1 {
    max-width: 980px;
    font-size: clamp(48px, 7.4vw, 100px);
    font-weight: 700;
    line-height: 0.96;
    letter-spacing: -0.065em;
  }

  .content-lede {
    max-width: 780px;
    margin-top: 34px;
    color: #d8e4ed;
    font-size: clamp(20px, 2.5vw, 30px);
    line-height: 1.35;
  }

  .content-intro {
    max-width: 710px;
    margin-top: 22px;
    color: var(--muted);
    font-size: 16px;
  }

  .content-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px 30px;
    margin-top: 38px;
  }

  .content-actions > a:not(.content-button) {
    display: inline-flex;
    align-items: center;
    min-height: 48px;
    color: var(--muted);
    font: 700 11px/1.4 var(--mono);
    text-decoration: none;
    text-transform: uppercase;
  }

  .content-actions > a:not(.content-button):hover {
    color: var(--cyan);
  }

  .content-button {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    min-height: 52px;
    padding: 14px 21px;
    border: 1px solid var(--cyan);
    background: var(--cyan);
    color: #061019;
    font: 700 11px/1.4 var(--mono);
    letter-spacing: 0.04em;
    text-decoration: none;
    text-transform: uppercase;
    transition:
      transform 180ms ease,
      box-shadow 180ms ease,
      background 180ms ease;
  }

  .content-button:hover {
    transform: translateY(-2px);
    background: #8aeaff;
    box-shadow: 0 12px 34px rgba(67, 216, 242, 0.15);
  }

  .content-section {
    padding: clamp(76px, 9vw, 120px) 0;
    border-top: 1px solid rgba(156, 210, 231, 0.17);
  }

  .content-section > h2,
  .related-section > h2 {
    max-width: 760px;
    margin: 17px 0 clamp(36px, 5vw, 58px);
    font-size: clamp(36px, 5vw, 62px);
  }

  .content-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .content-card-grid.three-up {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .content-card,
  .article-cta {
    position: relative;
    min-width: 0;
    padding: clamp(26px, 3vw, 38px);
    overflow: hidden;
    border: 1px solid rgba(177, 220, 235, 0.2);
    border-radius: 18px;
    background:
      linear-gradient(
        145deg,
        rgba(210, 238, 248, 0.105),
        rgba(7, 15, 24, 0.32) 45%
      ),
      rgba(8, 16, 25, 0.58);
    box-shadow:
      inset 0 1px rgba(255, 255, 255, 0.06),
      0 22px 70px rgba(0, 0, 0, 0.18);
    -webkit-backdrop-filter: blur(8px) saturate(125%);
    backdrop-filter: blur(8px) saturate(125%);
  }

  .content-card::before {
    position: absolute;
    inset: 0;
    pointer-events: none;
    content: "";
    background: linear-gradient(
      110deg,
      transparent 0 58%,
      rgba(67, 216, 242, 0.08),
      transparent 75%
    );
  }

  .content-card-index,
  .article-index {
    display: block;
    margin-bottom: 42px;
    color: var(--cyan);
    font: 10px/1 var(--mono);
    letter-spacing: 0.12em;
  }

  .content-card h3 {
    position: relative;
    margin-bottom: 14px;
    font-size: 21px;
  }

  .content-card p {
    position: relative;
    color: var(--muted);
    font-size: 14px;
  }

  .path-list {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid rgba(156, 210, 231, 0.17);
  }

  .path-list li {
    display: grid;
    grid-template-columns: 90px minmax(0, 1fr);
    gap: 22px;
    padding: 30px 0;
    border-bottom: 1px solid rgba(156, 210, 231, 0.17);
  }

  .path-list > li > span {
    color: var(--cyan);
    font: 11px/1.5 var(--mono);
  }

  .path-list h3 {
    margin-bottom: 7px;
    font-size: 21px;
  }

  .path-list p {
    max-width: 760px;
    color: var(--muted);
  }

  .content-faq {
    max-width: 940px;
    border-top: 1px solid rgba(156, 210, 231, 0.18);
  }

  .content-faq details {
    border-bottom: 1px solid rgba(156, 210, 231, 0.18);
  }

  .content-faq summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    min-height: 76px;
    padding: 18px 2px;
    cursor: pointer;
    font-size: 18px;
    font-weight: 700;
    list-style: none;
  }

  .content-faq summary::-webkit-details-marker {
    display: none;
  }

  .content-faq summary span {
    color: var(--cyan);
    font: 25px/1 var(--mono);
    transition: transform 180ms ease;
  }

  .content-faq details[open] summary span {
    transform: rotate(45deg);
  }

  .content-faq details p {
    max-width: 760px;
    padding: 0 48px 26px 2px;
    color: var(--muted);
  }

  .related-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .related-link {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 14px;
    min-height: 150px;
    padding: 28px;
    border: 1px solid rgba(156, 210, 231, 0.2);
    background: rgba(8, 16, 25, 0.4);
    text-decoration: none;
    transition:
      border-color 180ms ease,
      background 180ms ease;
  }

  .related-link:hover {
    border-color: rgba(67, 216, 242, 0.65);
    background: rgba(67, 216, 242, 0.07);
  }

  .related-link > span {
    grid-column: 1 / -1;
    color: var(--cyan);
    font: 10px/1.3 var(--mono);
    letter-spacing: 0.11em;
  }

  .related-link strong {
    align-self: end;
    font-size: 19px;
  }

  .related-link i {
    align-self: end;
    color: var(--cyan);
    font-style: normal;
  }

  .article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 11px 26px;
    margin-top: 40px;
    color: var(--faint);
    font: 10px/1.4 var(--mono);
    letter-spacing: 0.08em;
  }

  .article-layout {
    display: grid;
    grid-template-columns: minmax(160px, 230px) minmax(0, 720px);
    justify-content: space-between;
    gap: clamp(50px, 10vw, 150px);
    padding: clamp(76px, 9vw, 120px) 0;
    border-top: 1px solid rgba(156, 210, 231, 0.17);
  }

  .article-rail {
    align-self: start;
    position: sticky;
    top: 112px;
    color: var(--muted);
    font-size: 13px;
  }

  .article-rail span,
  .article-cta > span {
    display: block;
    margin-bottom: 15px;
    color: var(--cyan);
    font: 10px/1.4 var(--mono);
    letter-spacing: 0.12em;
  }

  .article-body section {
    position: relative;
    padding-bottom: 74px;
  }

  .article-body h2 {
    margin-bottom: 24px;
    font-size: clamp(31px, 4vw, 46px);
  }

  .article-body p,
  .article-body li {
    color: #b2c0d0;
    font-size: 17px;
    line-height: 1.8;
  }

  .article-body p + p {
    margin-top: 18px;
  }

  .article-body ul {
    margin: 24px 0 0;
    padding-left: 20px;
  }

  .article-body li {
    padding: 6px 0 6px 8px;
  }

  .article-body li::marker {
    color: var(--cyan);
  }

  .article-cta {
    margin-top: 10px;
  }

  .article-cta h2 {
    margin-bottom: 13px;
    font-size: 28px;
  }

  .article-cta p {
    font-size: 15px;
  }

  .article-cta a {
    display: inline-flex;
    align-items: center;
    min-height: 48px;
    margin-top: 18px;
    color: var(--cyan);
    font: 700 11px/1.4 var(--mono);
    text-transform: uppercase;
  }

  .content-channel {
    margin-top: clamp(40px, 6vw, 90px);
    padding: clamp(48px, 7vw, 86px);
    border: 1px solid rgba(189, 226, 239, 0.22);
    border-radius: 22px;
    background:
      linear-gradient(130deg, rgba(171, 224, 243, 0.115), rgba(9, 18, 29, 0.4)),
      rgba(7, 14, 22, 0.68);
    box-shadow:
      inset 0 1px rgba(255, 255, 255, 0.08),
      0 28px 90px rgba(0, 0, 0, 0.22);
    -webkit-backdrop-filter: blur(12px) saturate(125%);
    backdrop-filter: blur(12px) saturate(125%);
  }

  .content-channel > span {
    color: var(--cyan);
    font: 700 10px/1.4 var(--mono);
    letter-spacing: 0.15em;
  }

  .content-channel h2 {
    max-width: 700px;
    margin: 15px 0 18px;
  }

  .content-channel p {
    max-width: 650px;
    color: var(--muted);
  }

  .content-channel .content-button {
    margin-top: 30px;
  }

  .content-footer {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 34px;
    padding: 82px 0 30px;
    color: var(--muted);
    font-size: 13px;
  }

  .content-footer > div:first-child p {
    margin-top: 12px;
  }

  .content-footer > div:nth-child(2) {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
  }

  .content-footer > div:nth-child(2) a {
    min-height: 44px;
  }

  .content-footer > p {
    grid-column: 1 / -1;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding-top: 25px;
    border-top: 1px solid rgba(156, 210, 231, 0.16);
    font: 10px/1.5 var(--mono);
    letter-spacing: 0.08em;
  }
}

@layer responsive {
  @media (max-width: 900px) {
    .content-header nav a:not(.header-cta) {
      display: none;
    }

    .content-card-grid.three-up {
      grid-template-columns: 1fr;
    }

    .article-layout {
      grid-template-columns: 1fr;
      gap: 50px;
    }

    .article-rail {
      position: static;
      max-width: 480px;
    }
  }

  @media (max-width: 650px) {
    .content-header {
      min-height: 68px;
      padding-block: 8px;
    }

    .content-brand {
      gap: 8px;
      font-size: 11px;
    }

    .content-brand img {
      width: 40px;
      height: 40px;
    }

    .content-header nav .header-cta {
      padding-inline: 12px;
    }

    .content-hero {
      padding-block: 58px 82px;
    }

    .content-hero::after {
      display: none;
    }

    .breadcrumb {
      margin-bottom: 42px;
    }

    .content-hero h1 {
      font-size: clamp(42px, 14vw, 68px);
      line-height: 1;
    }

    .content-lede {
      margin-top: 27px;
      font-size: 20px;
    }

    .content-card-grid,
    .related-grid {
      grid-template-columns: 1fr;
    }

    .content-card-index {
      margin-bottom: 28px;
    }

    .path-list li {
      grid-template-columns: 48px minmax(0, 1fr);
    }

    .article-body p,
    .article-body li {
      font-size: 16px;
    }

    .content-channel {
      padding: 34px 24px;
    }

    .content-footer {
      grid-template-columns: 1fr;
      padding-top: 64px;
    }

    .content-footer > div:nth-child(2) {
      align-items: flex-start;
    }

    .content-footer > p {
      flex-direction: column;
    }
  }

  @media (max-width: 380px) {
    .content-brand span {
      max-width: 70px;
      line-height: 1.2;
    }

    .content-header nav .header-cta {
      font-size: 9px;
    }

    .content-actions {
      align-items: stretch;
      flex-direction: column;
    }

    .content-button {
      width: 100%;
    }
  }
}