/* SECTION 04: DESIGN SHOWCASE */
.design-showcase {
  position: relative;
  padding: clamp(96px, 10vw, 144px) 0;
  background: var(--bg);
  overflow: clip;
}

.design-showcase::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 460px;
  pointer-events: none;
  background:
    radial-gradient(circle at 14% 20%, rgba(49, 94, 251, 0.09), transparent 27%),
    radial-gradient(circle at 86% 10%, rgba(49, 94, 251, 0.065), transparent 24%);
}

.design-showcase__container {
  position: relative;
  z-index: 1;
}

.design-showcase__intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.7fr);
  gap: clamp(42px, 7vw, 108px);
  align-items: end;
}

.design-showcase__title {
  max-width: 820px;
  margin: 0;
  font-size: clamp(3rem, 6vw, 6rem);
  line-height: 0.92;
  letter-spacing: -0.067em;
  text-wrap: balance;
}

.design-showcase__intro-copy {
  max-width: 560px;
  justify-self: end;
}

.design-showcase__lede {
  margin: 0;
  color: var(--text-soft);
  font-size: clamp(17px, 1.55vw, 20px);
  line-height: 1.72;
}

.design-showcase__note {
  margin: 18px 0 0;
  max-width: 500px;
  color: #777e88;
  font-size: 12px;
  line-height: 1.65;
}

.design-showcase__toolbar {
  position: sticky;
  top: calc(var(--announcement-height) + var(--header-height));
  z-index: 8;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: clamp(44px, 5vw, 64px);
  padding: 12px 0 17px;
  border-bottom: 1px solid rgba(214, 219, 226, 0.72);
  background: linear-gradient(var(--bg) 76%, rgba(247, 248, 250, 0));
  backdrop-filter: blur(8px);
}

.design-showcase__filters {
  display: flex;
  gap: 8px;
  min-width: 0;
  overflow-x: auto;
  padding: 2px 1px 5px;
  scrollbar-width: none;
}

.design-showcase__filters::-webkit-scrollbar { display: none; }

.design-showcase__filter {
  flex: 0 0 auto;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid #dfe3e8;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: #525a65;
  font-size: 12px;
  font-weight: 760;
  cursor: pointer;
  box-shadow: 0 3px 12px rgba(22, 23, 26, 0.025);
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease, box-shadow 180ms ease, transform 180ms var(--ease);
}

.design-showcase__filter:hover {
  transform: translateY(-1px);
  border-color: #cbd2dc;
  box-shadow: 0 7px 18px rgba(22, 23, 26, 0.05);
}

.design-showcase__filter[aria-selected="true"] {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(49, 94, 251, 0.18);
}

.design-showcase__count {
  flex: 0 0 auto;
  margin-left: auto;
  color: #737a85;
  font-size: 11px;
  font-weight: 750;
  white-space: nowrap;
}

.design-showcase__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.showcase-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  border: 1px solid #e0e4e9;
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 14px 36px rgba(22, 23, 26, 0.045);
  transition: transform 220ms var(--ease), box-shadow 220ms ease, border-color 220ms ease;
}

.showcase-card:hover {
  transform: translateY(-4px);
  border-color: #d2d8e0;
  box-shadow: 0 24px 48px rgba(22, 23, 26, 0.09);
}

.showcase-card--pending:hover {
  transform: translateY(-2px);
}

.showcase-card__preview {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #e9edf2;
  isolation: isolate;
}

.showcase-card__preview::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.015), rgba(0, 0, 0, 0.14));
  z-index: 2;
}

.showcase-card__preview-image {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center top;
  transition: transform 520ms var(--ease), filter 220ms ease;
}

.showcase-card:hover .showcase-card__preview-image {
  transform: scale(1.03);
}

.showcase-card__preview-image[hidden] { display: none; }

.showcase-card__placeholder {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: grid;
  place-items: center;
  padding: 22px;
  background:
    radial-gradient(circle at 70% 28%, rgba(49, 94, 251, 0.24), transparent 28%),
    radial-gradient(circle at 20% 78%, rgba(255, 255, 255, 0.78), transparent 34%),
    linear-gradient(135deg, #11151c, #2a303b 65%, #eef1f6 65.2%, #f7f8fa);
}

.showcase-card__placeholder[hidden] { display: none; }

.showcase-card__placeholder-window {
  width: min(86%, 430px);
  aspect-ratio: 1.45 / 1;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.93);
  box-shadow: 0 26px 50px rgba(0, 0, 0, 0.2);
}

.showcase-card__placeholder-bar {
  height: 16%;
  background: #f4f5f7;
  border-bottom: 1px solid #dde0e5;
}

.showcase-card__placeholder-body {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 12px;
  padding: 16px;
  height: 84%;
}

.showcase-card__placeholder-copy { align-self: center; }

.showcase-card__placeholder-line {
  display: block;
  width: 82%;
  height: 8px;
  margin-bottom: 8px;
  border-radius: 999px;
  background: #1b1e23;
}

.showcase-card__placeholder-line--small {
  width: 66%;
  height: 5px;
  margin-bottom: 13px;
  background: #c9cdd4;
}

.showcase-card__placeholder-image {
  border-radius: 11px;
  background:
    linear-gradient(135deg, rgba(49, 94, 251, 0.92), rgba(49, 94, 251, 0.12)),
    linear-gradient(180deg, #e9edf4, #ffffff);
}

.showcase-card__placeholder-label,
.showcase-card__status {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  backdrop-filter: blur(10px);
}

.showcase-card__placeholder-label {
  left: 15px;
  bottom: 14px;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(14, 16, 20, 0.68);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.showcase-card__status {
  top: 15px;
  right: 15px;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(14, 16, 20, 0.72);
  color: #fff;
  font-size: 10px;
  font-weight: 780;
  letter-spacing: 0.04em;
}

.showcase-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 206px;
  padding: 19px 19px 18px;
}

.showcase-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.showcase-card__category {
  color: var(--accent);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.showcase-card__number {
  color: #959ca6;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.showcase-card__title {
  margin: 10px 0 0;
  font-size: 21px;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.showcase-card__source {
  margin: 8px 0 18px;
  color: var(--text-soft);
  font-size: 12px;
  line-height: 1.55;
}

.showcase-card__button {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 15px;
  border: 1px solid #1b1e23;
  border-radius: 12px;
  background: #1b1e23;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 180ms var(--ease), background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.showcase-card__button:hover {
  transform: translateY(-1px);
  background: #111318;
  border-color: #111318;
  box-shadow: 0 10px 24px rgba(17, 19, 24, 0.16);
}

.showcase-card__button--pending {
  border-color: #dfe3e8;
  background: #f4f6f8;
  color: #6e7580;
  cursor: default;
}

.showcase-card__button--pending:hover {
  transform: none;
  background: #f4f6f8;
  border-color: #dfe3e8;
  box-shadow: none;
}

.design-showcase__load-more-wrap {
  display: flex;
  justify-content: center;
  padding-top: 30px;
}

.design-showcase__load-more[hidden] { display: none; }
.design-showcase__empty { grid-column: 1 / -1; padding: 40px 0; text-align: center; }
.design-showcase__empty p { margin: 0; color: var(--text-soft); }

.design-viewer[hidden] { display: none; }

.design-viewer {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: grid;
  place-items: center;
  padding: 12px;
}

.design-viewer__backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(8, 10, 13, 0.82);
  backdrop-filter: blur(8px);
}

.design-viewer__shell {
  position: relative;
  z-index: 1;
  width: min(1600px, 98vw);
  height: min(96vh, 1100px);
  min-height: 420px;
  display: grid;
  grid-template-rows: 64px 1fr;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 22px;
  background: #0c0e12;
  box-shadow: 0 42px 120px rgba(0, 0, 0, 0.46);
}

.design-viewer__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 72px 12px 22px;
  color: #fff;
}

.design-viewer__meta strong {
  display: block;
  font-size: 14px;
  line-height: 1.25;
}

.design-viewer__meta span {
  display: block;
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 11px;
}

.design-viewer__hint {
  color: rgba(255, 255, 255, 0.52);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.design-viewer__close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 25px;
  line-height: 1;
  cursor: pointer;
  transition: background-color 180ms ease, transform 180ms var(--ease);
}

.design-viewer__close:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: scale(1.02);
}

.design-viewer__frame-wrap {
  position: relative;
  min-height: 0;
  overflow: hidden;
  background: #fff;
}

.design-viewer__frame-wrap iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  background: #fff;
}

.design-viewer__loading,
.design-viewer__fallback {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 12px;
  padding: 34px;
  background:
    radial-gradient(circle at 50% 36%, rgba(49, 94, 251, 0.08), transparent 27%),
    #fff;
  text-align: center;
}

.design-viewer__loading[hidden],
.design-viewer__fallback[hidden] { display: none; }

.design-viewer__loading p,
.design-viewer__fallback p:not(.eyebrow) {
  max-width: 460px;
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.65;
}

.design-viewer__spinner {
  width: 38px;
  height: 38px;
  border: 3px solid #e4e7eb;
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: showcase-spin 0.85s linear infinite;
}

@keyframes showcase-spin {
  to { transform: rotate(360deg); }
}

.design-viewer__fallback h3 {
  max-width: 560px;
  margin: 0;
  font-size: clamp(28px, 3.5vw, 46px);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.showcase-card :is(button, img),
.design-showcase__filter,
.design-viewer__close {
  -webkit-tap-highlight-color: transparent;
}

.showcase-card__button:focus-visible,
.design-showcase__filter:focus-visible,
.design-viewer__close:focus-visible,
.design-showcase__load-more:focus-visible {
  outline: 3px solid rgba(49, 94, 251, 0.34);
  outline-offset: 3px;
}

@media (max-width: 1080px) {
  .design-showcase__intro {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .design-showcase__intro-copy { justify-self: start; }
  .design-showcase__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .design-showcase {
    padding: 72px 0 88px;
  }

  .design-showcase__toolbar {
    top: var(--header-height);
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
    padding-bottom: 13px;
  }

  .design-showcase__filters {
    width: 100%;
    padding-bottom: 4px;
  }

  .design-showcase__count { margin-left: 0; }

  .design-showcase__grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 14px;
  }

  .showcase-card__body {
    min-height: 196px;
    padding: 17px 16px 16px;
  }

  .showcase-card__title { font-size: 20px; }

  .design-viewer { padding: 0; }

  .design-viewer__shell {
    width: 100vw;
    height: 100dvh;
    min-height: 0;
    border-radius: 0;
    grid-template-rows: 58px 1fr;
  }

  .design-viewer__meta {
    padding: 10px 58px 10px 16px;
  }

  .design-viewer__hint { display: none; }

  .design-viewer__close {
    top: 8px;
    right: 8px;
  }
}

@media (max-width: 420px) {
  .design-showcase__title { font-size: clamp(2.8rem, 14vw, 4rem); }
  .design-showcase__filter { min-height: 38px; padding-inline: 12px; }
  .showcase-card__preview { aspect-ratio: 15 / 10; }
  .showcase-card__status { top: 12px; right: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .showcase-card,
  .showcase-card__preview-image,
  .design-showcase__filter,
  .showcase-card__button,
  .design-viewer__close,
  .design-viewer__spinner {
    transition: none;
    animation: none;
  }
}