/* Components — nav, buttons, cards, badges, footer, lightbox. */

/* =================== Site header / nav =================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--u-z-nav);
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(0.75rem) saturate(1.2);
  -webkit-backdrop-filter: blur(0.75rem) saturate(1.2);
  border-bottom: 1px solid var(--u-line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--u-sp-4);
  padding-block: var(--u-sp-3);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--u-sp-2);
  font-weight: 600;
  font-size: 1.25rem;
}

.brand img {
  height: 1.75rem;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--u-sp-5);
}

.nav-links a {
  font-size: var(--u-fs-label);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--u-muted);
  position: relative;
  padding-block: var(--u-sp-1);
  transition: color var(--u-dur-2) var(--u-ease-out);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--u-accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--u-dur-3) var(--u-ease-out-expo);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--u-ink);
}

.nav-links a[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  padding: var(--u-sp-2);
  border-radius: var(--u-radius-sm);
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 1.375rem;
  height: 2px;
  background: var(--u-ink);
  position: relative;
  transition: transform var(--u-dur-2) var(--u-ease-out);
}

.nav-toggle span::before {
  position: absolute;
  top: -0.4375rem;
}

.nav-toggle span::after {
  position: absolute;
  top: 0.4375rem;
}

@media (max-width: 820px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    inset: 4.25rem 0 0 0;
    background: var(--u-surface);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--u-sp-4) var(--u-sp-5);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--u-dur-2) var(--u-ease-out),
      transform var(--u-dur-2) var(--u-ease-out);
  }

  .nav-links.is-open {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
  }

  .nav-links a {
    width: 100%;
    padding-block: var(--u-sp-3);
    border-bottom: 1px solid var(--u-line);
  }
}

/* =================== Buttons =================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--u-sp-2);
  padding: var(--u-sp-3) var(--u-sp-5);
  border-radius: var(--u-radius-pill);
  font-size: var(--u-fs-label);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: transform var(--u-dur-2) var(--u-ease-out),
    box-shadow var(--u-dur-2) var(--u-ease-out),
    background var(--u-dur-2) var(--u-ease-out),
    opacity var(--u-dur-2) var(--u-ease-out);
}

.btn-primary {
  background: var(--u-accent);
  color: var(--u-accent-ink);
}

.btn-primary:hover {
  transform: scale(1.03);
  box-shadow: var(--u-el-focus);
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--u-line-strong);
  color: var(--u-ink);
}

.btn-secondary:hover {
  border-color: var(--u-ink);
  transform: scale(1.03);
}

.btn[disabled],
.btn.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-sm {
  padding: var(--u-sp-2) var(--u-sp-4);
  font-size: var(--u-fs-micro);
}

/* =================== Badges / pills =================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  padding: 0.3em 0.7em;
  border-radius: var(--u-radius-pill);
  font-size: var(--u-fs-micro);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid var(--u-line-strong);
  color: var(--u-muted);
}

.badge--live {
  color: var(--u-ink);
  border-color: var(--u-ink);
}

.badge--soon {
  color: var(--u-muted);
  border-style: dashed;
}

.badge--done {
  color: #7bd88f;
  border-color: rgba(123, 216, 143, 0.5);
}

.badge--active {
  color: var(--u-ink);
  border-color: var(--u-ink);
}

.badge--planned {
  color: var(--u-muted-dim);
  border-color: var(--u-line);
}

/* =================== Cards (signature focus interaction) =================== */
.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015)), var(--u-card);
  border: 1px solid var(--u-line);
  border-radius: var(--u-radius-md);
  padding: var(--u-sp-5);
  transition: transform var(--u-dur-3) var(--u-ease-out-expo),
    box-shadow var(--u-dur-3) var(--u-ease-out-expo),
    border-color var(--u-dur-2) var(--u-ease-out);
}

.card:hover,
.card:focus-within {
  transform: translateY(-4px) scale(1.015);
  border-color: var(--u-line-strong);
  box-shadow: var(--u-el-focus);
}

/* =================== Plugin / theme cards (marketplace) =================== */
.plugin-card {
  position: relative;
  border-radius: var(--u-radius-md);
  background: var(--u-card);
  border: 1px solid var(--u-line);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--u-dur-3) var(--u-ease-out-expo),
    box-shadow var(--u-dur-3) var(--u-ease-out-expo),
    border-color var(--u-dur-2) var(--u-ease-out);
}

.plugin-card:hover,
.plugin-card:focus-within {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--u-line-strong);
  box-shadow: var(--u-el-focus);
  z-index: var(--u-z-raised);
}

.plugin-card__cover {
  aspect-ratio: 16 / 9;
  background: linear-gradient(150deg, var(--u-void-a), var(--u-void-b));
  position: relative;
  overflow: hidden;
}

.plugin-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.plugin-card__cover--icon {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--u-sp-6);
}

.plugin-card__cover--icon img {
  width: auto;
  height: 100%;
  object-fit: contain;
}

.plugin-card__body {
  padding: var(--u-sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--u-sp-2);
  flex: 1;
}

.plugin-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--u-sp-2);
}

.plugin-card__title {
  font-size: 1.125rem;
  font-weight: 700;
}

.plugin-card__summary {
  color: var(--u-muted);
  font-size: 0.9375rem;
  line-height: 1.5;
  flex: 1;
}

.plugin-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--u-sp-1);
  margin-top: auto;
}

.tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--u-muted-dim);
  border: 1px solid var(--u-line);
  border-radius: var(--u-radius-sm);
  padding: 0.2em 0.55em;
}

/* =================== Marketplace filters =================== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--u-sp-2);
  margin-bottom: var(--u-sp-6);
}

.filter-chip {
  padding: var(--u-sp-2) var(--u-sp-4);
  border-radius: var(--u-radius-pill);
  border: 1px solid var(--u-line-strong);
  font-size: var(--u-fs-label);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--u-muted);
  transition: background var(--u-dur-2) var(--u-ease-out),
    color var(--u-dur-2) var(--u-ease-out),
    transform var(--u-dur-2) var(--u-ease-out);
}

.filter-chip:hover {
  color: var(--u-ink);
  transform: scale(1.03);
}

.filter-chip[aria-pressed="true"] {
  background: var(--u-accent);
  color: var(--u-accent-ink);
  border-color: var(--u-accent);
}

.plugin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: var(--u-sp-5);
}

.marketplace-empty {
  color: var(--u-muted-dim);
  padding: var(--u-sp-6) 0;
  text-align: center;
}

/* =================== Theme gallery =================== */
.theme-showcase {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--u-sp-5);
}

.theme-showcase__card {
  display: grid;
  gap: var(--u-sp-4);
  padding: var(--u-sp-5);
  border-radius: var(--u-radius-md);
  border: 1px solid var(--u-line);
  background: var(--u-card);
}

.theme-showcase__card--featured {
  grid-column: 1 / -1;
  grid-template-columns: minmax(14rem, 0.7fr) minmax(0, 2fr);
  align-items: center;
  padding: var(--u-sp-6);
  background: linear-gradient(145deg, var(--u-panel), var(--u-card));
  border-color: var(--u-line-strong);
}

.theme-showcase__copy .type-label {
  display: block;
  color: var(--u-muted-dim);
  margin-bottom: var(--u-sp-2);
}

.theme-showcase__copy h3 {
  font-size: 1.75rem;
  margin-bottom: var(--u-sp-2);
}

.theme-showcase__card--featured .theme-showcase__copy h3 {
  font-size: 2.25rem;
}

.theme-showcase__copy p {
  color: var(--u-muted);
  line-height: 1.6;
}

.theme-showcase__screens {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--u-sp-3);
}

.theme-showcase__screens button {
  border-radius: var(--u-radius-sm);
  overflow: hidden;
  border: 1px solid var(--u-line);
  background: var(--u-surface);
  aspect-ratio: 16/9;
  transition: border-color var(--u-dur-2) var(--u-ease-out), transform var(--u-dur-2) var(--u-ease-out);
}

.theme-showcase__screens button:hover,
.theme-showcase__screens button:focus-visible {
  border-color: var(--u-line-strong);
  transform: translateY(-0.15rem);
}

.theme-showcase__screens img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@media (max-width: 900px) {
  .theme-showcase,
  .theme-showcase__card--featured {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .theme-showcase__card,
  .theme-showcase__card--featured {
    padding: var(--u-sp-4);
  }

  .theme-showcase__screens {
    grid-template-columns: 1fr;
  }
}

/* Marketplace theme cards keep the compact cover-and-thumbnail treatment. */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
  gap: var(--u-sp-5);
}

.gallery-card {
  border-radius: var(--u-radius-md);
  overflow: hidden;
  border: 1px solid var(--u-line);
  background: var(--u-card);
  position: relative;
}

.gallery-card__cover {
  aspect-ratio: 16 / 10;
  position: relative;
  overflow: hidden;
}

.gallery-card__cover img,
.gallery-card__thumbs img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-card__cover img {
  transition: transform var(--u-dur-3) var(--u-ease-out-expo);
}

.gallery-card:hover .gallery-card__cover img,
.gallery-card:focus-within .gallery-card__cover img {
  transform: scale(1.06);
}

.gallery-card__cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0) 55%);
}

.gallery-card__label {
  position: absolute;
  left: var(--u-sp-4);
  bottom: var(--u-sp-3);
  z-index: 2;
}

.gallery-card__label .type-title {
  margin-bottom: 0.15em;
}

.gallery-card__body {
  padding: var(--u-sp-4);
  color: var(--u-muted);
  font-size: 0.9375rem;
}

.gallery-card__thumbs {
  display: flex;
  gap: var(--u-sp-2);
  padding: 0 var(--u-sp-4) var(--u-sp-4);
}

.gallery-card__thumbs button {
  border-radius: var(--u-radius-sm);
  overflow: hidden;
  border: 1px solid var(--u-line);
  flex: 1;
  aspect-ratio: 16/10;
  transition: border-color var(--u-dur-2) var(--u-ease-out), transform var(--u-dur-2) var(--u-ease-out);
}

.gallery-card__thumbs button:hover {
  border-color: var(--u-line-strong);
  transform: scale(1.03);
}

/* =================== Lightbox =================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--u-z-modal);
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--u-sp-5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--u-dur-2) var(--u-ease-out);
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__figure {
  display: grid;
  justify-items: center;
  gap: var(--u-sp-2);
}

.lightbox__figure img,
.lightbox__figure video {
  max-width: min(90vw, 70rem);
  max-height: 78vh;
  border-radius: var(--u-radius-md);
  box-shadow: var(--u-el-focus);
}

.lightbox__figure video {
  width: auto;
  height: auto;
}

.lightbox__close {
  position: absolute;
  top: var(--u-sp-4);
  right: var(--u-sp-4);
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: 1px solid var(--u-line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: transform var(--u-dur-2) var(--u-ease-out), background var(--u-dur-2) var(--u-ease-out);
}

.lightbox__close:hover {
  background: var(--u-ink);
  color: var(--u-accent-ink);
  transform: scale(1.1);
}

.lightbox__caption {
  text-align: center;
  color: var(--u-muted);
  font-size: var(--u-fs-label);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.lightbox__position {
  color: var(--u-muted-dim);
  font-size: var(--u-fs-micro);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  border: 1px solid var(--u-line-strong);
  background: rgba(0, 0, 0, 0.6);
  font-size: 2rem;
  line-height: 1;
  transition: background var(--u-dur-2) var(--u-ease-out), transform var(--u-dur-2) var(--u-ease-out);
}

.lightbox__nav:hover,
.lightbox__nav:focus-visible {
  background: var(--u-ink);
  color: var(--u-accent-ink);
  transform: scale(1.08);
}

.lightbox__nav--previous {
  left: var(--u-sp-4);
}

.lightbox__nav--next {
  right: var(--u-sp-4);
}

@media (max-width: 700px) {
  .lightbox__nav {
    top: auto;
    bottom: var(--u-sp-4);
  }
}

/* =================== Icon circle (safety/architecture bullets) =================== */
.icon-circle {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: 1px solid var(--u-line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.04);
}

/*
 * Icons are self-hosted Lucide SVGs (assets/img/icons/, MIT license, see
 * LICENSE in that folder), applied as a CSS mask so they inherit
 * currentColor like the rest of the chrome instead of shipping a fixed
 * baked-in color per file.
 */
.icon-mark {
  display: block;
  width: 1.35rem;
  height: 1.35rem;
  color: var(--u-ink);
  background-color: currentColor;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
}

.icon-mark--library {
  -webkit-mask-image: url("../img/icons/layers.svg");
  mask-image: url("../img/icons/layers.svg");
}

.icon-mark--controller {
  -webkit-mask-image: url("../img/icons/gamepad-2.svg");
  mask-image: url("../img/icons/gamepad-2.svg");
}

.icon-mark--plugins {
  -webkit-mask-image: url("../img/icons/puzzle.svg");
  mask-image: url("../img/icons/puzzle.svg");
}

.icon-mark--safety {
  -webkit-mask-image: url("../img/icons/shield-check.svg");
  mask-image: url("../img/icons/shield-check.svg");
}

.icon-mark--provider {
  -webkit-mask-image: url("../img/icons/plug.svg");
  mask-image: url("../img/icons/plug.svg");
}

.icon-mark--theme {
  -webkit-mask-image: url("../img/icons/palette.svg");
  mask-image: url("../img/icons/palette.svg");
}

.icon-mark--discovery {
  -webkit-mask-image: url("../img/icons/scan.svg");
  mask-image: url("../img/icons/scan.svg");
}

.icon-mark--performance {
  -webkit-mask-image: url("../img/icons/zap.svg");
  mask-image: url("../img/icons/zap.svg");
}

.icon-mark--merge {
  -webkit-mask-image: url("../img/icons/git-merge.svg");
  mask-image: url("../img/icons/git-merge.svg");
}

.icon-mark--resilience {
  -webkit-mask-image: url("../img/icons/life-buoy.svg");
  mask-image: url("../img/icons/life-buoy.svg");
}

.icon-mark--api {
  -webkit-mask-image: url("../img/icons/braces.svg");
  mask-image: url("../img/icons/braces.svg");
}

.icon-mark--theme-card {
  -webkit-mask-image: url("../img/icons/layout-template.svg");
  mask-image: url("../img/icons/layout-template.svg");
}

.icon-mark--companion {
  -webkit-mask-image: url("../img/icons/qr-code.svg");
  mask-image: url("../img/icons/qr-code.svg");
}

.icon-mark--pointer {
  -webkit-mask-image: url("../img/icons/mouse-pointer-click.svg");
  mask-image: url("../img/icons/mouse-pointer-click.svg");
}

/* =================== Footer =================== */
.site-footer {
  border-top: 1px solid var(--u-line);
  padding-block: var(--u-sp-4);
  color: var(--u-muted);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(10rem, 1fr);
  gap: var(--u-sp-5);
}

.site-footer__grid > div:last-of-type {
  justify-self: end;
}

.site-footer__grid > div:last-of-type ul {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: var(--u-sp-2) var(--u-sp-4);
}

.site-footer__grid > div:last-of-type li {
  margin-bottom: 0;
}

@media (max-width: 820px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer__grid > div:last-of-type {
    justify-self: start;
  }

  .site-footer__grid > div:last-of-type ul {
    justify-content: flex-start;
  }
}

.site-footer h4 {
  color: var(--u-ink);
  font-size: var(--u-fs-label);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--u-sp-3);
}

.site-footer li {
  margin-bottom: var(--u-sp-2);
}

.site-footer a:hover {
  color: var(--u-ink);
}

.site-footer__bottom {
  margin-top: var(--u-sp-4);
  padding-top: var(--u-sp-3);
  border-top: 1px solid var(--u-line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--u-sp-2);
  font-size: var(--u-fs-micro);
}

/* =================== Reveal-on-scroll ====================
   Progressive enhancement: [data-reveal] elements are visible by default.
   reveal.js only adds .reveal-pending to elements below the initial fold,
   right before observing them, then removes it when they intersect. This
   guarantees content already in view (or content on a page where JS fails,
   is slow, or is blocked) is never hidden. */
.reveal-pending {
  opacity: 0;
  transform: translateY(1.25rem);
}

[data-reveal] {
  transition: opacity var(--u-dur-3) var(--u-ease-out),
    transform var(--u-dur-3) var(--u-ease-out);
}

@media (prefers-reduced-motion: reduce) {
  .reveal-pending {
    opacity: 1;
    transform: none;
  }
}