/* Shared project-detail template styles. */

.project-detail-page {
  --project-ink: #263f49;
  --project-muted: #4c626c;
  --project-rule: rgb(101 188 235 / 68%);
  min-height: 100vh;
  margin: 0;
  color: var(--project-ink);
  background: var(--site-background);
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC",
    "Microsoft YaHei", sans-serif;
}

.project-detail {
  width: min(100%, 1325px);
  margin: 0 auto;
  padding: clamp(195px, 26vh, 255px) clamp(23px, 4.5vw, 86px) clamp(90px, 11vw, 170px);
}

.project-back,
.project-section-label,
.project-meta-item dt {
  font-family: var(--site-nav-sans);
}

.project-back {
  display: inline-block;
  margin-left: clamp(-45px, -2.5vw, -28px);
  color: var(--site-blue);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.11em;
  line-height: 1.3;
  text-decoration: none;
  transition: color 160ms ease, transform 160ms ease;
}

.project-back:hover {
  color: var(--site-acid);
  transform: translateX(-3px);
}

.project-back:focus-visible {
  outline: 1px solid var(--site-blue);
  outline-offset: 4px;
}

.project-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: clamp(15px, 2vw, 30px);
  text-align: center;
}

.project-title {
  margin: clamp(30px, 3.4vw, 40px) 0 0;
  color: var(--project-ink);
  font-family: var(--site-logo-serif);
  font-size: clamp(40px, 3vw, 72px);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.9;
}

.project-media {
  display: grid;
  place-items: center;
  width: 100%;
  margin-top: clamp(20px, 2.5vw, 34px);
}

.project-hero-visual {
  width: min(100%, 1000px);
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.project-hero-visual--empty {
  border: 1px solid var(--project-rule);
}

.project-hero-visual--reworn {
  width: min(100%, 840px);
  aspect-ratio: auto;
}

.project-hero-visual--birdsong {
  width: min(100%, 800px);
  aspect-ratio: auto;
}

.project-hero-visual__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-hero-visual--reworn .project-hero-visual__image {
  height: auto;
  object-fit: contain;
}

.project-hero-visual--birdsong .project-hero-visual__image {
  height: auto;
  object-fit: contain;
}

.project-phone {
  --phone-bezel: 4px;
  --phone-radius: 32px;
  --phone-screen-radius: 28px;
  --phone-island-top: 10px;
  --phone-island-width: 26%;
  position: relative;
  width: clamp(210px, 16.5vw, 248px);
  max-width: 100%;
  overflow: hidden;
  padding: var(--phone-bezel);
  background: #203741;
  border: 1px solid rgb(38 63 73 / 88%);
  border-radius: var(--phone-radius);
  box-shadow: 0 12px 30px rgb(38 63 73 / 10%);
}

.project-phone__screen {
  position: relative;
  aspect-ratio: 1080 / 2344;
  width: 100%;
  overflow: hidden;
  background: #101b21;
  border-radius: var(--phone-screen-radius);
}

.project-phone__video {
  display: block;
  width: calc(100% + 1px);
  height: 100%;
  max-width: none;
  border-radius: inherit;
  object-fit: fill;
}

.project-phone__island {
  position: absolute;
  z-index: 2;
  top: var(--phone-island-top);
  left: 50%;
  width: var(--phone-island-width);
  aspect-ratio: 64 / 18;
  border-radius: 999px;
  background: #101b21;
  transform: translateX(-50%);
}

.project-overview {
  width: min(100%, 1152px);
  margin-right: auto;
  margin-left: auto;
}

.project-overview {
  display: grid;
  grid-template-columns: minmax(0, 1.85fr) minmax(260px, 1fr);
  column-gap: 0;
  margin-top: clamp(38px, 4.7vw, 62px);
  padding-top: clamp(34px, 4vw, 52px);
  padding-bottom: clamp(34px, 4vw, 52px);
  border-top: 1px solid var(--project-rule);
  border-bottom: 1px solid var(--project-rule);
}

.project-overview__content {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding-right: clamp(38px, 5vw, 72px);
}

.project-section-label,
.project-meta-item dt {
  margin: 0;
  color: var(--site-blue);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.3;
}

.project-statement {
  max-width: 100%;
  margin: clamp(16px, 1.6vw, 22px) 0 0;
  color: var(--project-ink);
  font-size: clamp(14px, 1.15vw, 16px);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.35;
}

.project-description {
  max-width: 100%;
  margin: clamp(16px, 2vw, 28px) 0 0;
  color: var(--project-muted);
  font-size: clamp(14px, 1.15vw, 16px);
  line-height: 2;
  text-align: justify;
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: auto;
  padding-top: clamp(34px, 4vw, 54px);
}

.project-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  padding: 10px 16px;
  color: var(--site-blue);
  background: transparent;
  border: 1px solid var(--site-blue);
  border-radius: 0;
  font-family: var(--site-nav-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.2;
  text-decoration: none;
  transition:
    color 180ms ease,
    background-color 180ms ease,
    transform 180ms ease;
}

.project-action:hover {
  color: var(--site-background);
  background: var(--site-blue);
  transform: translateY(-1px);
}

.project-action:focus-visible {
  outline: 1px solid var(--site-blue);
  outline-offset: 4px;
}

.cta-arrow {
  font-family: var(--site-nav-sans);
  font-variant-emoji: text;
  font-style: normal;
  font-weight: inherit;
  line-height: 1;
}

.project-meta {
  min-width: 0;
  margin: 0;
  padding: 0 0 0 clamp(30px, 4vw, 52px);
  border-left: 1px solid var(--project-rule);
}

.project-meta-item {
  padding: 20px 0;
}

.project-meta-item:first-child {
  padding-top: 0;
}

.project-meta-item + .project-meta-item {
  border-top: 1px solid var(--project-rule);
}

.project-meta-item:last-child {
  padding-bottom: 0;
}

.project-meta-value {
  margin: 10px 0 0;
  color: var(--project-ink);
  font-size: clamp(14px, 1.15vw, 16px);
  font-weight: 500;
  line-height: 1.75;
}

.project-mobile-section-nav {
  display: none;
}

@media (max-width: 760px) {
  .project-detail { padding: 154px 25px 84px; }
  .project-back { margin-left: 0; }
  .project-hero { padding-top: 24px; }
  .project-title { font-size: clamp(40px, 12vw, 54px); }
  .project-media { margin-top: 24px; }
  .project-hero-visual--birdsong { width: 100%; max-width: 100%; }
  .project-phone { --phone-island-top: 9px; width: min(62vw, 235px); }
  .project-overview { grid-template-columns: 1fr; margin-top: 56px; padding-top: 24px; padding-bottom: 24px; text-align: left; }
  .project-overview__content { padding-right: 0; }
  .project-actions { margin-top: 28px; padding-top: 0; }
  .project-statement, .project-description { max-width: none; }
  .project-statement { margin-top: 14px; }
  .project-description { margin-top: 18px; text-align: left; }
  .project-meta { margin-top: 32px; padding-left: 0; border-top: 1px solid var(--project-rule); border-left: 0; }
  .project-meta-item, .project-meta-item:nth-child(odd), .project-meta-item:nth-child(even) { padding: 18px 0; border-left: 0; }
  .project-meta-item:first-child { padding-top: 18px; }
  .project-meta-item:last-child { padding-bottom: 0; }
  .project-meta-value { margin-top: 12px; }

  /* Mobile section navigation is generated from the existing desktop links. */
  .project-mobile-section-nav {
    position: fixed;
    z-index: 20;
    top: env(safe-area-inset-top, 0px);
    right: 0;
    left: 0;
    display: block;
    padding: 0 16px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 220ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  .project-mobile-section-nav.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .project-mobile-section-nav__bar {
    display: flex;
    align-items: stretch;
    min-height: 50px;
    background: var(--site-background);
    border-bottom: 2px solid var(--site-blue);
    box-shadow: 0 2px 8px rgb(38 63 73 / 6%);
  }

  .project-mobile-section-nav__toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
    min-height: 48px;
    padding: 12px 0 10px;
    color: var(--project-ink);
    background: var(--site-background);
    border: 0;
    font: 600 13px/1.2 var(--site-nav-sans);
    letter-spacing: 0.04em;
    text-align: left;
    cursor: pointer;
  }

  .project-mobile-section-nav__current {
    display: flex;
    flex: 1 1 auto;
    align-items: center;
    min-width: 0;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }

  .project-mobile-section-nav__hint {
    flex: 0 0 auto;
    margin-left: 8px;
    color: #68777b;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.08em;
  }

  .project-mobile-section-nav__chevron {
    display: grid;
    flex: 0 0 34px;
    place-items: center;
    width: 34px;
    height: 34px;
    margin: auto 4px auto 8px;
    color: #397fa5;
    background: #e7f2f7;
    border-radius: 8px;
    transition: background-color 180ms ease, color 180ms ease;
  }

  .project-mobile-section-nav__chevron svg,
  .project-mobile-section-nav__top svg {
    display: block;
    width: 19px;
    height: 19px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2.2;
  }

  .project-mobile-section-nav__chevron svg {
    transition: transform 180ms ease;
  }

  .project-mobile-section-nav.is-expanded .project-mobile-section-nav__chevron {
    color: var(--site-blue);
    background: #dceef7;
  }

  .project-mobile-section-nav.is-expanded .project-mobile-section-nav__chevron svg {
    transform: rotate(180deg);
  }

  .project-mobile-section-nav__top {
    display: grid;
    flex: 0 0 48px;
    place-items: center;
    width: 48px;
    min-height: 48px;
    padding: 0;
    color: #397fa5;
    background: transparent;
    border: 0;
    border-left: 1px solid rgb(101 188 235 / 38%);
    cursor: pointer;
  }

  .project-mobile-section-nav__top:hover {
    color: var(--site-blue);
    background: rgb(231 242 247 / 65%);
  }

  .project-mobile-section-nav__number {
    color: var(--site-blue);
  }

  .project-mobile-section-nav__menu {
    max-height: 0;
    overflow: hidden auto;
    opacity: 0;
    background: var(--site-background);
    border-bottom: 1px solid transparent;
    transition: max-height 220ms cubic-bezier(0.22, 1, 0.36, 1), opacity 160ms ease,
      border-color 160ms ease;
  }

  .project-mobile-section-nav.is-expanded .project-mobile-section-nav__menu {
    max-height: min(58vh, calc(100dvh - 64px));
    opacity: 1;
    border-bottom-color: rgb(101 188 235 / 55%);
  }

  .project-mobile-section-nav__list {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 4px 0 8px;
    list-style: none;
  }

  .project-mobile-section-nav__link {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 42px;
    padding: 10px 0;
    color: var(--project-ink);
    background: transparent;
    border: 0;
    font: 500 14px/1.35 "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    text-align: left;
    cursor: pointer;
  }

  .project-mobile-section-nav__link.is-active,
  .project-mobile-section-nav__link:hover {
    color: var(--site-blue);
  }

  .project-mobile-section-nav__link:focus-visible,
  .project-mobile-section-nav__toggle:focus-visible,
  .project-mobile-section-nav__top:focus-visible {
    outline: 1px solid var(--site-blue);
    outline-offset: -1px;
  }

  [data-mobile-section-target] {
    scroll-margin-top: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .project-mobile-section-nav,
  .project-mobile-section-nav__chevron,
  .project-mobile-section-nav__chevron svg,
  .project-mobile-section-nav__menu {
    transition: none;
  }
}
}