/*
 * ICYLAB — Interior page foundation
 * v0.7.4
 *
 * Shared system for new interior pages. Home and the legacy Bloom Hopper
 * implementation remain untouched. Interior pages inherit the same 66px
 * desktop / 60px phone topbar geometry and the same 48px chapter navigator
 * used by Bloom Hopper.
 */

:root {
  --icy-acid: #00ff30;
  --icy-black: #000;
  --icy-paper: #f4f3ee;
  --icy-line-dark: rgba(255,255,255,.18);
  --icy-line-light: rgba(0,0,0,.22);
  --icy-copy-light: rgba(255,255,255,.76);
  --icy-copy-dark: rgba(0,0,0,.68);
  --icy-header-h: 66px;
  --icy-home-header-h: 66px;
  --icy-interior-subnav-h: 48px;
  --icy-interior-offset: calc(var(--icy-header-h) + var(--icy-interior-subnav-h));
  --icy-interior-max: 1640px;
  --icy-interior-gutter: clamp(3rem, 5vw, 6rem);
}

html.icy-interior-scroll {
  scroll-behavior: smooth;
  scroll-snap-type: none;
  scroll-padding-top: var(--icy-interior-offset);
}

html.icy-interior-nav-programmatic {
  scroll-snap-type: none !important;
}

body.icy-interior-page {
  --icy-home-header-h: var(--icy-header-h);
  background: #000;
  color: #fff;
  overflow-x: clip;
  scrollbar-width: thin;
  scrollbar-color: var(--icy-acid) #080808;
}

body.icy-interior-page::-webkit-scrollbar {
  display: block;
  width: 6px;
  height: 6px;
}

body.icy-interior-page::-webkit-scrollbar-track { background: #080808; }
body.icy-interior-page::-webkit-scrollbar-thumb {
  min-height: 36px;
  border-radius: 999px;
  background: var(--icy-acid);
}

/* Primary topbar: same physical geometry as Home/Bloom Hopper. */
body.icy-interior-page .icy-home-header {
  position: sticky;
  top: 0;
  z-index: 1400;
  height: var(--icy-header-h) !important;
  background: #000 !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

body.icy-interior-page .icy-home-header-inner {
  width: min(calc(100% - (2 * var(--icy-interior-gutter))), var(--icy-interior-max));
  height: var(--icy-header-h) !important;
  margin-inline: auto;
}

.icy-interior-main {
  position: relative;
  width: 100%;
}

.icy-interior-shell {
  width: min(calc(100% - (2 * var(--icy-interior-gutter))), var(--icy-interior-max));
  margin-inline: auto;
}

.icy-interior-section {
  position: relative;
  box-sizing: border-box;
  min-height: calc(100svh - var(--icy-interior-offset));
  padding-block: clamp(2.75rem, 5.5svh, 5rem);
  overflow: clip;
}

.icy-interior-section.icy-interior-snap {
  scroll-snap-align: none;
  scroll-snap-stop: normal;
  scroll-margin-top: var(--icy-interior-offset);
}

.icy-interior-section.is-ink {
  background: #000;
  color: #fff;
}

.icy-interior-section.is-paper {
  background: var(--icy-paper);
  color: #000;
}

.icy-interior-section.is-acid {
  background: var(--icy-acid);
  color: #000;
}

.icy-interior-kicker {
  margin: 0 0 1.2rem;
  font-family: 'Cy Grotesk', Arial, sans-serif;
  font-size: clamp(.72rem, .62rem + .22vw, .9rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.is-ink .icy-interior-kicker { color: var(--icy-acid); }
.is-paper .icy-interior-kicker { color: #000; }
.is-acid .icy-interior-kicker { color: #000; }

/* Match the chapter scale used on Bloom Hopper/Home instead of creating a
   larger third display scale for interior pages. Height-aware vw/vh sizing
   prevents headlines from forcing a chapter beyond one viewport. */
.icy-interior-display {
  margin: 0;
  max-width: 11ch;
  color: inherit;
  font-family: 'Cy Grotesk', Arial, sans-serif;
  font-size: clamp(3.4rem, min(5.2vw, 10.5svh), 6.7rem);
  font-weight: 800;
  line-height: .84;
  letter-spacing: -.055em;
  text-transform: uppercase;
}

/* Headline colors are explicit so Kadence/global heading colors cannot turn
   black-section titles black. */
.icy-interior-section.is-ink .icy-interior-display,
.icy-interior-section.is-ink .icy-interior-display strong,
.icy-interior-section.is-ink .icy-interior-display span {
  color: #fff;
}

.icy-interior-section.is-paper .icy-interior-display,
.icy-interior-section.is-acid .icy-interior-display {
  color: #000;
}

.icy-interior-display em {
  color: var(--icy-acid);
  font-style: normal;
}

.is-acid .icy-interior-display em { color: #000; }
.is-ink .icy-interior-display em { color: var(--icy-acid); }

.icy-interior-lead,
.icy-interior-body {
  margin: 0;
  font-family: 'Cy Grotesk', Arial, sans-serif;
  font-weight: 300;
  letter-spacing: .004em;
}

.icy-interior-lead {
  max-width: 34ch;
  font-size: clamp(1.08rem, 1.35vw, 1.45rem);
  line-height: 1.35;
}

.icy-interior-body {
  max-width: 42ch;
  font-size: clamp(1rem, 1.12vw, 1.22rem);
  line-height: 1.48;
}

.is-ink .icy-interior-lead,
.is-ink .icy-interior-body { color: var(--icy-copy-light); }
.is-paper .icy-interior-lead,
.is-paper .icy-interior-body { color: var(--icy-copy-dark); }

.icy-interior-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.75rem;
}

.icy-interior-btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 58px;
  padding: 0 1.35rem;
  border: 1px solid currentColor;
  font-family: 'Cy Grotesk', Arial, sans-serif;
  font-size: .9rem;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  text-decoration: none;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.icy-interior-btn.is-acid {
  border-color: var(--icy-acid);
  background: var(--icy-acid);
  color: #000;
}

.icy-interior-btn.is-outline {
  background: transparent;
  color: inherit;
}

.icy-interior-btn:hover,
.icy-interior-btn:focus-visible {
  background: #fff;
  border-color: #fff;
  color: #000;
}

/* Secondary navigation — same 48px black chapter bar as Bloom Hopper. */
.icy-interior-subnav {
  position: sticky;
  top: var(--icy-header-h);
  z-index: 1300;
  height: var(--icy-interior-subnav-h);
  margin: 0;
  border-top: 0;
  border-bottom: 1px solid rgba(255,255,255,.16);
  background: #000;
  color: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.icy-interior-subnav .icy-interior-shell {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
  height: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--icy-acid) transparent;
  -webkit-overflow-scrolling: touch;
}

.icy-interior-subnav .icy-interior-shell::-webkit-scrollbar {
  display: block;
  height: 3px;
}
.icy-interior-subnav .icy-interior-shell::-webkit-scrollbar-track { background: transparent; }
.icy-interior-subnav .icy-interior-shell::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: var(--icy-acid);
}

.icy-interior-subnav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  min-height: var(--icy-interior-subnav-h);
  padding: 0;
  color: #a5a5a0;
  font-family: 'Cy Grotesk', Arial, sans-serif;
  font-size: .62rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
}

.icy-interior-subnav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  pointer-events: none;
}

.icy-interior-subnav a:hover,
.icy-interior-subnav a.is-active,
.icy-interior-subnav a[aria-current='true'] { color: #fff; }

.icy-interior-subnav a.is-active::after,
.icy-interior-subnav a[aria-current='true']::after { background: var(--icy-acid); }

/* Lateral dots homologated with Home/Bloom Hopper. */
.icy-interior-screen-nav {
  position: fixed;
  z-index: 1350;
  top: 50%;
  right: max(1.1rem, env(safe-area-inset-right));
  display: grid;
  gap: .55rem;
  transform: translateY(-50%);
}

.icy-interior-screen-nav button {
  display: grid;
  width: 20px;
  height: 20px;
  padding: 0;
  place-items: center;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.icy-interior-screen-nav button span {
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(125,125,121,.72);
  box-shadow: 0 0 0 1px rgba(0,0,0,.45);
  transition: transform .18s ease, background-color .18s ease, box-shadow .18s ease;
}

.icy-interior-screen-nav button:hover span,
.icy-interior-screen-nav button:focus-visible span { background: rgba(255,255,255,.88); }

.icy-interior-screen-nav button.is-active span {
  background: var(--icy-acid);
  box-shadow: 0 0 0 1px rgba(0,0,0,.72);
  transform: scale(1.8);
}

/* Viewport-fit chapters. When the available height is sufficient, each snap
   chapter is one complete screen below header + chapter bar and its content is
   optically centered. Smaller-height desktops fall back to natural growth. */
@media (min-width: 1025px) and (min-height: 760px) {
  .icy-interior-section.icy-interior-snap:not([data-icy-interior-hero]) {
    display: flex;
    align-items: center;
    height: calc(100svh - var(--icy-interior-offset));
    min-height: calc(100svh - var(--icy-interior-offset));
    padding-block: clamp(2rem, 3.8svh, 3.5rem);
  }

  .icy-interior-section.icy-interior-snap:not([data-icy-interior-hero]) > .icy-interior-shell {
    flex: 0 0 auto;
  }
}

/* WordPress admin bar offsets while previewing logged in. */
body.admin-bar.icy-interior-page .icy-home-header { top: 32px; }
body.admin-bar.icy-interior-page .icy-interior-subnav {
  top: calc(var(--icy-header-h) + 32px);
}

@media (min-width: 1900px) {
  .icy-interior-screen-nav {
    right: max(2rem, calc((100vw - 1840px) / 2));
  }
}

@media (min-width: 1600px) {
  :root {
    --icy-interior-max: 1640px;
    --icy-interior-gutter: clamp(4rem, 5vw, 6rem);
  }
}

@media (min-width: 1025px) and (max-width: 1599px) {
  :root {
    --icy-interior-max: 1600px;
    --icy-interior-gutter: clamp(2.5rem, 5vw, 5rem);
  }
}

@media (min-width: 600px) and (max-width: 1024px) {
  :root {
    --icy-header-h: 66px;
    --icy-home-header-h: 66px;
    --icy-interior-subnav-h: 48px;
    --icy-interior-max: 960px;
    --icy-interior-gutter: clamp(1.5rem, 4vw, 2.5rem);
  }
}

@media (max-width: 1024px) {
  body.icy-interior-page {
    --icy-header-h: 66px;
    --icy-home-header-h: 66px;
  }

  body.icy-interior-page .icy-home-header,
  body.icy-interior-page .icy-home-header-inner {
    height: var(--icy-header-h) !important;
  }

  html.icy-interior-scroll {
    scroll-snap-type: none;
    scroll-behavior: auto;
  }

  .icy-interior-section,
  .icy-interior-section.icy-interior-snap {
    min-height: 0;
    height: auto;
    scroll-snap-align: none;
    padding-block: clamp(3.6rem, 9vw, 5rem);
  }

  .icy-interior-screen-nav { display: none; }
}

@media (max-width: 782px) {
  body.admin-bar.icy-interior-page .icy-home-header { top: 46px; }
  body.admin-bar.icy-interior-page .icy-interior-subnav {
    top: calc(var(--icy-header-h) + 46px);
  }
}

@media (max-width: 599px) {
  :root {
    --icy-header-h: 60px;
    --icy-home-header-h: 60px;
    --icy-interior-subnav-h: 48px;
    --icy-interior-gutter: .85rem;
  }

  body.icy-interior-page {
    --icy-header-h: 60px;
    --icy-home-header-h: 60px;
  }

  body.icy-interior-page .icy-home-header,
  body.icy-interior-page .icy-home-header-inner {
    height: 60px !important;
  }

  body.icy-interior-page .icy-home-header-inner {
    width: calc(100% - 1.8rem) !important;
    max-width: none !important;
  }

  .icy-interior-shell {
    width: calc(100% - 1.7rem);
  }

  .icy-interior-display {
    max-width: none;
    font-size: clamp(2.75rem, 12.2vw, 4rem);
    line-height: .84;
  }

  .icy-interior-subnav .icy-interior-shell {
    width: calc(100% - 1.7rem);
  }

  .icy-interior-subnav a {
    font-size: .62rem;
  }

  .icy-interior-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .icy-interior-btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html.icy-interior-scroll {
    scroll-snap-type: none;
    scroll-behavior: auto;
  }
}