/* ==========================================================================
   ODEN-STEEL COMPONENT / REFERENCES — HOMEPAGE SECTION
   --------------------------------------------------------------------------
   Editorial magazine layout: featured + equal-width pair.
   Three-zone rhythm: warm header → deeper gallery → dark CTA close.
   ========================================================================== */

.references-section {
  --references-header-bg: #f1eee8;
  --references-gallery-bg: #e8e3da;
  --references-cta-bg: #0b0b0a;
  --references-surface: #ded9d0;
  --references-text: #11110f;
  --references-muted: #706d66;
  --references-subtle: rgba(17, 17, 15, 0.46);
  --references-border: rgba(17, 17, 15, 0.09);
  --references-cta-text: #f6f3ed;
  --references-cta-muted: rgba(246, 243, 237, 0.68);
  --references-gold: var(--color-gold, #d6a300);
  --references-radius: 22px;
  --references-gap: 24px;
  --references-image-shadow: 0 24px 64px rgba(25, 21, 16, 0.09);
  --reference-object-position: center center;

  position: relative;
  z-index: 1;
  isolation: isolate;
  background: var(--references-header-bg);
  color: var(--references-text);
  scroll-margin-top: var(--header-height);
}

.references-section__container {
  width: min(100% - 48px, var(--container-main, 1440px));
  margin-inline: auto;
}

/* --------------------------------------------------------------------------
   Zone 1 — Header
   -------------------------------------------------------------------------- */

.references-section__header-zone {
  background: var(--references-header-bg);
  color: var(--references-text);
  padding-top: clamp(6rem, 8vw, 9rem);
  padding-bottom: clamp(5rem, 7vw, 8rem);
}

.references-section__header {
  margin: 0;
}

.references-section__eyebrow,
.references-section__cta-eyebrow {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 650;
  line-height: 1;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--references-gold);
}

.references-section__eyebrow {
  margin-bottom: 28px;
}

.references-section__heading-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.5fr);
  align-items: end;
  gap: clamp(3rem, 7vw, 7rem);
}

.references-section__title {
  margin: 0;
  max-width: 15ch;
  font-size: clamp(3.5rem, 5.3vw, 5.7rem);
  font-weight: 650;
  line-height: var(--line-height-display);
  letter-spacing: -0.045em;
  text-wrap: balance;
  color: var(--references-text);
}

.references-section__title span {
  display: block;
}

.references-section__intro {
  margin: 0;
  max-width: 30rem;
  font-size: clamp(1.05rem, 1.35vw, 1.25rem);
  line-height: 1.65;
  color: var(--references-muted);
}

/* --------------------------------------------------------------------------
   Zone 2 — Gallery
   -------------------------------------------------------------------------- */

.references-section__gallery-zone {
  background: var(--references-gallery-bg);
  color: var(--references-text);
  padding-top: clamp(4.5rem, 6vw, 7rem);
  padding-bottom: clamp(6rem, 8vw, 9rem);
  border-top: 1px solid rgba(17, 17, 15, 0.035);
}

.references-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--references-gap);
}

.reference-project--featured {
  grid-column: 1 / -1;
}

.reference-project--wide,
.reference-project--portrait {
  display: flex;
  flex-direction: column;
  grid-column: span 6;
}

.reference-project {
  min-width: 0;
}

.reference-project__link {
  display: block;
  color: inherit;
  text-decoration: none;
  border-radius: var(--references-radius);
}

.reference-project__link:focus-visible {
  outline: 2px solid var(--references-gold);
  outline-offset: 6px;
}

.reference-project__media {
  position: relative;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border-radius: var(--references-radius);
  background: var(--references-surface);
  border: 1px solid rgba(17, 17, 15, 0.08);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.55) inset,
    var(--references-image-shadow);
}

.reference-project--featured .reference-project__media {
  aspect-ratio: 16 / 9;
}

/*
  Side-by-side pair (project-02 + project-03): both covers are 3:2.
  Matching column width + matching aspect-ratio keeps image boxes
  and meta start-edges on the same horizontal lines. Images fill
  the box with object-fit: cover so intrinsic ratios cannot change height.
*/
.reference-project--wide .reference-project__media,
.reference-project--portrait .reference-project__media {
  width: 100%;
  aspect-ratio: 3 / 2;
  flex-shrink: 0;
}

.reference-project--wide .reference-project__image,
.reference-project--portrait .reference-project__image {
  position: absolute;
  inset: 0;
}

.reference-project__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--reference-object-position, center center);
  transform: scale(1);
  filter: none;
  transition:
    transform 650ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 450ms ease;
}

.reference-project__media.is-placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.35) 0%,
    transparent 48%,
    rgba(0, 0, 0, 0.04) 100%
  );
  pointer-events: none;
}

.reference-project__hover-panel {
  position: absolute;
  inset-inline: 16px;
  bottom: 16px;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 16px;
  border-radius: 14px;
  color: #fff;
  background: rgba(14, 14, 14, 0.54);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 280ms ease,
    transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}

.reference-project__meta {
  padding-top: 18px;
  padding-bottom: 48px;
}

.references-grid > .reference-project:last-child .reference-project__meta,
.references-grid
  > .reference-project:nth-last-child(-n + 2).reference-project--wide
  .reference-project__meta,
.references-grid
  > .reference-project:nth-last-child(-n + 2).reference-project--portrait
  .reference-project__meta {
  padding-bottom: 0;
}

.reference-project__title {
  margin: 0;
  font-size: clamp(1.65rem, 2.15vw, 2.5rem);
  font-weight: 650;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--references-text);
}

.reference-project__location {
  margin: 8px 0 0;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--references-muted);
}

.reference-project__services {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 0;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--references-muted);
}

.reference-project__services li {
  display: inline-flex;
  align-items: center;
}

.reference-project__services li:not(:last-child)::after {
  content: "·";
  margin-inline: 14px;
  color: var(--references-subtle);
}

/* --------------------------------------------------------------------------
   Zone 3 — Dark CTA close
   -------------------------------------------------------------------------- */

.references-section__cta-zone {
  background: var(--references-cta-bg);
  color: var(--references-cta-text);
  padding-block: clamp(6rem, 9vw, 10rem);
}

.references-section__cta {
  max-width: 920px;
  margin-inline: auto;
  text-align: center;
}

.references-section__cta-eyebrow {
  margin-bottom: 24px;
}

.references-section__cta-title {
  margin: 0 auto;
  max-width: 15ch;
  font-size: clamp(3rem, 5.2vw, 5.6rem);
  font-weight: 650;
  line-height: var(--line-height-display);
  letter-spacing: -0.04em;
  text-wrap: balance;
  color: var(--references-cta-text);
}

.references-section__cta-action {
  display: flex;
  justify-content: center;
  margin-top: 36px;
}

/* --------------------------------------------------------------------------
   Hover (fine pointer only)
   -------------------------------------------------------------------------- */

@media (hover: hover) and (pointer: fine) {
  .reference-project:hover .reference-project__image,
  .reference-project__link:hover .reference-project__image {
    transform: scale(1.015);
    filter: contrast(1.015);
  }

  .reference-project__link:hover .reference-project__hover-panel {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (hover: none) {
  .reference-project__hover-panel {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Tablet
   -------------------------------------------------------------------------- */

@media (min-width: 768px) and (max-width: 1023px) {
  .references-section__heading-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .references-section__title {
    max-width: 14ch;
  }

  .references-section__intro {
    max-width: 38rem;
  }

  .references-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .reference-project--featured {
    grid-column: 1 / -1;
  }

  .reference-project--wide,
  .reference-project--portrait {
    grid-column: auto;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    margin-inline: 0;
    transform: none;
    box-sizing: border-box;
  }

  .references-grid
    > .reference-project:nth-last-child(-n + 2)
    .reference-project__meta {
    padding-bottom: 0;
  }
}

/* --------------------------------------------------------------------------
   Mobile
   -------------------------------------------------------------------------- */

@media (max-width: 767px) {
  .references-section__container {
    width: min(100% - 32px, 100%);
  }

  .references-section__header-zone {
    padding-top: 5.5rem;
    padding-bottom: 4.5rem;
  }

  .references-section__eyebrow {
    margin-bottom: 20px;
  }

  .references-section__heading-grid {
    display: block;
  }

  .references-section__title {
    max-width: 100%;
    font-size: clamp(2.6rem, 11.5vw, 4.1rem);
    line-height: 1;
  }

  .references-section__intro {
    margin-top: 24px;
    max-width: 100%;
  }

  .references-section__gallery-zone {
    padding-top: 3.5rem;
    padding-bottom: 4.5rem;
  }

  .references-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .reference-project,
  .reference-project--featured,
  .reference-project--wide,
  .reference-project--portrait {
    grid-column: 1 / -1;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    margin-inline: 0;
    transform: none;
    translate: none;
    box-sizing: border-box;
  }

  .reference-project__media {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
    box-sizing: border-box;
  }

  .reference-project__image {
    display: block;
    width: 100%;
    max-width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .reference-project--featured .reference-project__media,
  .reference-project--wide .reference-project__media,
  .reference-project--portrait .reference-project__media {
    aspect-ratio: 4 / 5;
  }

  .reference-project__meta {
    padding-bottom: 0;
  }

  .references-section__cta-zone {
    padding-block: 5rem;
  }

  .references-section__cta {
    text-align: left;
  }

  .references-section__cta-title {
    margin-inline: auto;
    max-width: min(100%, 22ch);
    text-align: center;
    text-wrap: balance;
    font-size: clamp(2.5rem, 11vw, 4rem);
  }

  .references-section__cta-action {
    margin-top: 26px;
  }
}

/* --------------------------------------------------------------------------
   Reduced motion
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .reference-project__image,
  .reference-project__hover-panel {
    transition: none;
    transform: none;
  }
}