@layer psk-shell, psk-header, psk-footer, psk-index;

@layer psk-shell {
  .psk-page {
    display: flex;
    flex-direction: column;
    min-block-size: 100vh;
  }

  .psk-main {
    flex: 1 1 auto;
  }

  .psk-shell {
    inline-size: var(--psk-shell);
    margin-inline: auto;
  }

  .psk-read {
    inline-size: var(--psk-read);
    margin-inline: auto;
  }

  .psk-band {
    padding-block: var(--psk-band);
    padding-inline: var(--psk-rail);
    position: relative;
  }

  .psk-band--ink {
    background-color: var(--psk-ink);
  }

  .psk-band--coal {
    background-color: var(--psk-coal);
    border-block: 1px solid var(--psk-line);
  }

  .psk-band--lime {
    background-color: var(--psk-lime);
    color: var(--psk-ink);
  }

  .psk-band--paper {
    background-color: var(--psk-paper);
    color: var(--psk-ink);
  }

  .psk-band--paper strong {
    color: var(--psk-ink);
  }

  .psk-grid12 {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--psk-gutter);
    align-items: start;
  }

  .psk-span-full {
    grid-column: 1 / -1;
  }

  .psk-band__mark {
    position: absolute;
    inset-block-start: 1.1rem;
    inset-inline-end: var(--psk-rail);
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--psk-muted);
  }

  .psk-band--lime .psk-band__mark,
  .psk-band--paper .psk-band__mark {
    color: rgba(9, 11, 9, 0.55);
  }

  .psk-rule {
    block-size: 1px;
    border: 0;
    background-color: var(--psk-line);
    margin-block: 2rem;
  }

  .psk-band--paper .psk-rule {
    background-color: var(--psk-paper-line);
  }
}

@layer psk-header {
  .psk-head {
    position: sticky;
    inset-block-start: 0;
    z-index: 60;
    background-color: color-mix(in srgb, var(--psk-ink) 90%, transparent);
    backdrop-filter: blur(6px);
    border-block-end: 1px solid var(--psk-line);
    transition: background-color 0.2s ease, border-color 0.2s ease;
  }

  .psk-head[data-scrolled="true"] {
    background-color: color-mix(in srgb, var(--psk-ink) 97%, transparent);
  }

  .psk-head__bar {
    inline-size: var(--psk-shell);
    margin-inline: auto;
    display: flex;
    align-items: center;
    gap: 1rem;
    min-block-size: 4.25rem;
  }

  .psk-brand {
    display: inline-flex;
    align-items: baseline;
    gap: 0.55rem;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: -0.02em;
    font-size: var(--psk-step-1);
    color: var(--psk-white);
  }

  .psk-brand__dot {
    inline-size: 0.7rem;
    block-size: 0.7rem;
    background-color: var(--psk-lime);
    border-radius: 1px;
    transform: translateY(-0.05em);
  }

  .psk-status {
    display: none;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--psk-muted);
  }

  .psk-status__pulse {
    inline-size: 0.5rem;
    block-size: 0.5rem;
    border-radius: 50%;
    background-color: var(--psk-lime);
  }

  .psk-nav {
    display: none;
    margin-inline-start: auto;
    align-items: center;
    gap: 0.35rem;
  }

  .psk-nav__cluster {
    position: relative;
  }

  .psk-nav__trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: transparent;
    border: 1px solid transparent;
    color: var(--psk-paper);
    padding: 0.5rem 0.75rem;
    font-size: var(--psk-step--1);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: var(--psk-radius);
  }

  .psk-nav__trigger:hover {
    border-color: var(--psk-line);
    color: var(--psk-white);
  }

  .psk-nav__trigger::after {
    content: "+";
    color: var(--psk-lime);
    font-size: 0.85em;
  }

  .psk-nav__trigger[aria-expanded="true"]::after {
    content: "\2212";
  }

  .psk-nav__panel {
    position: absolute;
    inset-block-start: calc(100% + 0.4rem);
    inset-inline-start: 0;
    min-inline-size: 15rem;
    background-color: var(--psk-panel);
    border: 1px solid var(--psk-line);
    border-radius: var(--psk-radius);
    padding: 0.5rem;
    display: none;
    flex-direction: column;
    gap: 0.15rem;
  }

  .psk-nav__panel[data-open="true"] {
    display: flex;
  }

  .psk-nav__link {
    text-decoration: none;
    color: var(--psk-paper);
    padding: 0.55rem 0.7rem;
    font-size: var(--psk-step--1);
    border-radius: 2px;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
  }

  .psk-nav__link:hover {
    background-color: rgba(199, 255, 56, 0.1);
    color: var(--psk-white);
  }

  .psk-nav__link[aria-current="page"] {
    color: var(--psk-lime);
  }

  .psk-nav__link[aria-current="page"]::after {
    content: "\25CF";
    font-size: 0.5em;
  }

  .psk-cookiebtn {
    background: transparent;
    border: 1px solid var(--psk-line);
    color: var(--psk-muted);
    padding: 0.4rem 0.6rem;
    font-size: 0.62rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: 2px;
  }

  .psk-cookiebtn:hover {
    color: var(--psk-lime);
    border-color: var(--psk-lime);
  }

  .psk-burger {
    margin-inline-start: auto;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    inline-size: 46px;
    block-size: 46px;
    padding: 0 12px;
    background: transparent;
    border: 1px solid var(--psk-line);
    border-radius: var(--psk-radius);
    cursor: pointer;
  }

  .psk-burger__line {
    display: block;
    block-size: 2px;
    background-color: var(--psk-lime);
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .psk-burger[aria-expanded="true"] .psk-burger__line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .psk-burger[aria-expanded="true"] .psk-burger__line:nth-child(2) {
    opacity: 0;
  }

  .psk-burger[aria-expanded="true"] .psk-burger__line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .psk-drawer {
    position: fixed;
    inset: 0;
    z-index: 80;
    background-color: var(--psk-ink);
    display: flex;
    flex-direction: column;
    padding: 1.25rem var(--psk-gutter) 2rem;
    overflow-y: auto;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0s linear 0.2s;
  }

  .psk-drawer[data-open="true"] {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .psk-drawer__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block-end: 1rem;
    border-block-end: 1px solid var(--psk-line);
  }

  .psk-drawer__close {
    min-inline-size: 46px;
    inline-size: auto;
    padding-inline: 0.75rem;
    block-size: 46px;
    background: transparent;
    border: 1px solid var(--psk-line);
    color: var(--psk-lime);
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: var(--psk-radius);
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .psk-drawer__group {
    padding-block: 1.25rem;
    border-block-end: 1px solid var(--psk-line);
  }

  .psk-drawer__label {
    font-size: 0.68rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--psk-muted);
    margin-block-end: 0.6rem;
  }

  .psk-drawer__link {
    display: block;
    text-decoration: none;
    color: var(--psk-paper);
    font-size: var(--psk-step-1);
    padding-block: 0.55rem;
  }

  .psk-drawer__link[aria-current="page"] {
    color: var(--psk-lime);
  }
}

@layer psk-index {
  .psk-secindex {
    display: none;
  }
}

@layer psk-footer {
  .psk-colophon {
    background-color: var(--psk-coal);
    border-block-start: 1px solid var(--psk-line);
    padding-block: clamp(2.5rem, 1.5rem + 4vw, 4.5rem);
    padding-inline: var(--psk-rail);
  }

  .psk-colophon__grid {
    inline-size: var(--psk-shell);
    margin-inline: auto;
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
  }

  .psk-colophon__brand {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    font-size: var(--psk-step-2);
    font-weight: 700;
    color: var(--psk-white);
  }

  .psk-colophon__statement {
    color: var(--psk-muted);
    max-inline-size: 34rem;
    margin-block-start: 0.75rem;
  }

  .psk-colophon__col h2 {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--psk-lime);
    margin-block-end: 0.9rem;
  }

  .psk-colophon__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .psk-colophon__list a {
    color: var(--psk-paper);
    text-decoration: none;
    font-size: var(--psk-step--1);
  }

  .psk-colophon__list a:hover {
    color: var(--psk-lime);
  }

  .psk-colophon__meta {
    inline-size: var(--psk-shell);
    margin-inline: auto;
    margin-block-start: 2.5rem;
    padding-block-start: 1.5rem;
    border-block-start: 1px solid var(--psk-line);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    color: var(--psk-muted);
    font-size: var(--psk-step--1);
  }

  .psk-colophon__disc {
    max-inline-size: 60rem;
  }

  .psk-colophon__reopen {
    align-self: flex-start;
    background: transparent;
    border: 1px solid var(--psk-line);
    color: var(--psk-lime);
    padding: 0.5rem 0.8rem;
    font-size: 0.66rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: 2px;
  }

  .psk-colophon__reopen:hover {
    background-color: rgba(199, 255, 56, 0.1);
  }
}