/* MATIS LABS corporate reference system
   Progressive, evidence-led storytelling for consulting and expertise pages. */

.reference-page {
  --ref-ink: #081126;
  --ref-muted: #56627a;
  --ref-paper: #f5f6f8;
  --ref-warm: #f4f0e7;
  --ref-gold: #b58a37;
  --ref-gold-bright: #d2ad62;
  --ref-line: rgba(8, 17, 38, 0.13);
  background: var(--ref-paper);
}

.reference-page main { overflow: clip; }

.reference-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(6.2rem, 9vw, 8.5rem) 0 clamp(3.4rem, 6vw, 5.6rem);
  border-bottom: 1px solid var(--ref-line);
  background:
    radial-gradient(circle at 82% 12%, rgba(211, 224, 247, 0.76), transparent 32%),
    linear-gradient(135deg, #fff 0%, #f4f6fa 66%, #edf2fa 100%);
}

.reference-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: auto auto -11rem -8rem;
  width: 25rem;
  aspect-ratio: 1;
  border: 1px solid rgba(181, 138, 55, 0.22);
  border-radius: 50%;
}

.reference-hero--dark {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.1);
  background:
    radial-gradient(circle at 78% 20%, rgba(47, 72, 118, 0.62), transparent 31%),
    linear-gradient(135deg, #050a16 0%, #0a1428 66%, #101a31 100%);
}

.reference-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(440px, 1.18fr);
  gap: clamp(2.4rem, 5vw, 5.4rem);
  align-items: center;
}

.reference-hero-copy { position: relative; z-index: 2; }

.reference-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 1.35rem;
  color: #84611f;
  font: 750 0.72rem/1 var(--font-mono, monospace);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.reference-eyebrow::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: currentColor;
}

.reference-hero--dark .reference-eyebrow { color: var(--ref-gold-bright); }

.reference-title {
  max-width: 9.8ch;
  margin: 0;
  color: var(--ref-ink);
  font-size: clamp(3.25rem, 6.1vw, 6.45rem);
  font-weight: 780;
  line-height: 0.92;
  letter-spacing: -0.073em;
}

.reference-title-line {
  display: block;
  overflow: hidden;
  padding: 0.05em 0.04em 0.09em 0;
}

.reference-title-line > span {
  display: block;
  transform: translateY(108%);
  animation: reference-title-in 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.reference-title-line:nth-child(2) > span { animation-delay: 0.12s; }
.reference-title-line:nth-child(3) > span { animation-delay: 0.24s; }

.reference-title .is-gold {
  color: var(--ref-gold);
  text-decoration: underline;
  text-decoration-thickness: 0.055em;
  text-underline-offset: 0.13em;
}

.reference-hero--dark .reference-title { color: #fff; }
.reference-hero--dark .reference-title .is-gold { color: var(--ref-gold-bright); }

@keyframes reference-title-in { to { transform: translateY(0); } }

.reference-lead {
  max-width: 41rem;
  margin: 1.65rem 0 0;
  color: var(--ref-muted);
  font-size: clamp(1rem, 1.35vw, 1.16rem);
  line-height: 1.72;
}

.reference-hero--dark .reference-lead { color: rgba(255, 255, 255, 0.72); }
.reference-lead strong { color: var(--ref-ink); }
.reference-hero--dark .reference-lead strong { color: #fff; }

.reference-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.reference-actions .btn {
  min-height: 3.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: 1.25rem;
  font-weight: 750;
}

.reference-stage {
  position: relative;
  min-width: 0;
  margin: 0;
  padding: 0.55rem;
  border: 1px solid rgba(8, 17, 38, 0.13);
  border-radius: 1.45rem;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 2.2rem 5rem rgba(8, 17, 38, 0.17);
  overflow: hidden;
  transform: rotate(0.7deg);
  animation: reference-stage-in 1s 0.18s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.reference-hero--dark .reference-stage {
  border-color: rgba(210, 173, 98, 0.34);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 2.4rem 6rem rgba(0, 0, 0, 0.45);
}

@keyframes reference-stage-in {
  from { opacity: 0; transform: translateY(2.2rem) rotate(1.8deg) scale(0.975); }
  to { opacity: 1; transform: translateY(0) rotate(0.7deg) scale(1); }
}

.reference-stage img {
  display: block;
  width: 100%;
  height: clamp(360px, 43vw, 560px);
  border-radius: 1rem;
  object-fit: cover;
}

.reference-stage--social img { height: clamp(430px, 48vw, 620px); object-position: center 38%; }

.reference-stage figcaption {
  position: absolute;
  right: 1.4rem;
  bottom: 1.35rem;
  left: 1.4rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0.8rem;
  background: rgba(4, 9, 19, 0.83);
  color: #fff;
  font: 700 0.68rem/1.35 var(--font-mono, monospace);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
}

.reference-stage figcaption span:last-child { color: var(--ref-gold-bright); }

.reference-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(2.6rem, 5vw, 4.5rem);
  border: 1px solid var(--ref-line);
  border-radius: 1rem;
  background: var(--ref-line);
  overflow: hidden;
}

.reference-rail a,
.reference-rail span {
  display: flex;
  align-items: center;
  min-height: 4.7rem;
  padding: 1rem 1.1rem;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ref-ink);
  font-size: 0.84rem;
  font-weight: 720;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.reference-hero--dark .reference-rail { border-color: rgba(255, 255, 255, 0.12); background: rgba(255, 255, 255, 0.12); }
.reference-hero--dark .reference-rail a,
.reference-hero--dark .reference-rail span { background: rgba(255, 255, 255, 0.055); color: #fff; }
.reference-rail a:hover { background: var(--ref-gold); color: #fff; }

.reference-proof {
  padding: clamp(4rem, 7vw, 7rem) 0;
  background: #fff;
}

.reference-proof-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.reference-proof-media {
  position: relative;
  margin: 0;
  border-radius: 1.35rem;
  overflow: hidden;
  box-shadow: 0 1.8rem 4.5rem rgba(8, 17, 38, 0.14);
}

.reference-proof-media img { display: block; width: 100%; aspect-ratio: 1.12; object-fit: cover; }
.reference-proof-copy h2 { max-width: 12ch; margin: 0 0 1.2rem; color: var(--ref-ink); font-size: clamp(2.5rem, 4.7vw, 4.9rem); line-height: 0.98; letter-spacing: -0.055em; }
.reference-proof-copy p { max-width: 36rem; color: var(--ref-muted); font-size: 1.05rem; line-height: 1.75; }

.reference-page .section-padding { padding-top: clamp(4.8rem, 8vw, 7.6rem); padding-bottom: clamp(4.8rem, 8vw, 7.6rem); }
.reference-page .section-header h2 { font-size: clamp(2.45rem, 4.6vw, 4.7rem); line-height: 1; letter-spacing: -0.052em; }
.reference-page .section-header p { line-height: 1.72; }
.reference-page .service-card,
.reference-page .adv-card,
.reference-page .pricing-card,
.reference-page .consulting-card,
.reference-page .course-card {
  border-radius: 1.15rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.reference-page .service-card:hover,
.reference-page .adv-card:hover,
.reference-page .pricing-card:hover,
.reference-page .consulting-card:hover,
.reference-page .course-card:hover {
  transform: translateY(-4px);
  border-color: rgba(181, 138, 55, 0.5);
  box-shadow: 0 1.2rem 3rem rgba(8, 17, 38, 0.1);
}

@media (max-width: 980px) {
  .reference-hero-grid,
  .reference-proof-grid { grid-template-columns: 1fr; }
  .reference-title { max-width: 11ch; }
  .reference-stage { transform: none; }
  .reference-rail { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .reference-hero { padding-top: 6rem; }
  .reference-title { font-size: clamp(3rem, 15vw, 4.8rem); }
  .reference-actions { display: grid; }
  .reference-actions .btn { width: 100%; }
  .reference-stage { padding: 0.35rem; border-radius: 1rem; }
  .reference-stage img { height: min(112vw, 480px); border-radius: 0.72rem; }
  .reference-stage figcaption { right: 0.8rem; bottom: 0.75rem; left: 0.8rem; font-size: 0.58rem; }
  .reference-rail { grid-template-columns: 1fr; }
  .reference-rail a,
  .reference-rail span { min-height: 3.8rem; }
}

@media (prefers-reduced-motion: reduce) {
  .reference-title-line > span,
  .reference-stage { animation: none; transform: none; }
}