/* =============================================
   SKINTONE RESEARCH PAGE
   Open layouts, alternating splits, visual-heavy
   ============================================= */

/* Hero — dark cinematic */
.skin-hero {
  background: var(--poc-black);
  padding: 160px 0 120px;
  position: relative;
  overflow: hidden;
  color: var(--poc-white);
}

.skin-hero::before {
  content: '';
  position: absolute;
  top: -300px;
  right: -200px;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(196,154,42,0.12) 0%, transparent 60%);
  pointer-events: none;
}

.skin-hero::after {
  content: '';
  position: absolute;
  bottom: -250px;
  left: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232,93,38,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.skin-hero .hero-inner {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.skin-hero .tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--poc-gold);
  background: rgba(196,154,42,0.15);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 8px;
}

.skin-hero .tag-secondary {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--poc-accent);
  background: rgba(232,93,38,0.15);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
  margin-left: 8px;
}

.skin-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.skin-hero h1 em { font-style: normal; color: var(--poc-gold); }

.skin-hero p {
  font-size: 18px;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.skin-hero .cta-group {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.skin-hero .btn-large.secondary {
  border-color: rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.8);
}
.skin-hero .btn-large.secondary:hover {
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.06);
}

/* =============================================
   OVERVIEW — stats + intro
   ============================================= */
.overview-section {
  padding: var(--section-pad) 0;
  background: var(--poc-white);
}

.overview-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
  margin-top: 48px;
}

.overview-text h3 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  line-height: 1.2;
}

.overview-text p {
  font-size: 15px;
  color: var(--poc-mid-gray);
  line-height: 1.75;
  margin-bottom: 16px;
}

.overview-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 28px;
}

.overview-stat {
  padding: 20px;
  background: var(--poc-offwhite);
  border: 1px solid var(--poc-warm-gray);
  border-radius: 12px;
}

.overview-stat .os-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--poc-accent);
  letter-spacing: -0.03em;
  margin-bottom: 2px;
}

.overview-stat .os-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--poc-mid-gray);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.overview-visual {
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4/3;
}

/* =============================================
   ALTERNATING SPLIT SECTIONS
   ============================================= */
.skin-split {
  padding: var(--section-pad) 0;
}

.skin-split.alt-bg { background: var(--poc-white); }

.skin-split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.skin-split-layout.reverse .ss-visual { order: 2; }
.skin-split-layout.reverse .ss-text { order: 1; }

.ss-visual {
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4/3;
  position: relative;
}

.ss-visual .visual-badge {
  position: absolute;
  top: 20px;
  left: 20px;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--poc-white);
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: 8px;
  z-index: 2;
}

.ss-text .ss-label {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--poc-accent);
  margin-bottom: 14px;
}

.ss-text h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 18px;
}

.ss-text p {
  font-size: 15px;
  color: var(--poc-mid-gray);
  line-height: 1.75;
  margin-bottom: 16px;
}

.ss-text p:last-of-type { margin-bottom: 0; }

/* =============================================
   HEAD POSITIONS GRID (inside "What We Do")
   ============================================= */
.positions-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-top: 16px;
  border-radius: 12px;
  overflow: hidden;
}

.position-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 10px;
  position: relative;
  overflow: hidden;
  background: var(--poc-warm-gray);
}

.position-cell img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s ease;
}

.position-cell .pos-label {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--poc-white);
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(6px);
  padding: 4px 8px;
  border-radius: 4px;
  position: relative;
  z-index: 2;
}

/* Lighting Toggle */
.lighting-toggle {
  display: flex;
  gap: 4px;
  margin-top: 32px;
  margin-bottom: 4px;
  background: var(--poc-warm-gray);
  padding: 4px;
  border-radius: 10px;
  width: fit-content;
}

/* What We Do — centered layout */
.what-we-do-centered {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 48px;
}

.what-we-do-centered .wwd-heading {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 18px;
}

.what-we-do-centered .wwd-body {
  font-size: 15px;
  color: var(--poc-mid-gray);
  line-height: 1.75;
}

.lux-btn {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  background: transparent;
  color: var(--poc-mid-gray);
}

.lux-btn.active {
  background: var(--poc-black);
  color: var(--poc-white);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.lux-btn:hover:not(.active) {
  color: var(--poc-dark-gray);
}

/* =============================================
   MONK SKINTONE SCALE — 2x5 grid with hover photo
   ============================================= */
.mst-grid-wrap {
  border-radius: 16px;
  overflow: hidden;
}

.mst-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
}

.mst-cell {
  aspect-ratio: 3/4;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: pointer;
}

.mst-cell .mst-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  position: relative;
  z-index: 2;
  transition: opacity 0.3s;
}

.mst-cell .mst-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: rgba(255,255,255,0.85);
  text-shadow: 0 1px 4px rgba(0,0,0,0.15);
  line-height: 1;
}

.mst-cell .mst-hex {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  text-shadow: 0 1px 3px rgba(0,0,0,0.15);
  letter-spacing: 0.02em;
}

.mst-cell .mst-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 3;
}

.mst-cell:hover .mst-photo {
  opacity: 1;
}

.mst-cell:hover .mst-info {
  opacity: 0;
}

.monk-description {
  margin-top: 20px;
  font-size: 14px;
  color: var(--poc-mid-gray);
  line-height: 1.7;
}

/* =============================================
   PARTICIPATE CTA — dark immersive
   ============================================= */
.participate-cta {
  padding: var(--section-pad) 0;
  background: var(--poc-black);
  color: var(--poc-white);
  position: relative;
  overflow: hidden;
}

.participate-cta::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(196,154,42,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.participate-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.participate-text .part-tag {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--poc-gold);
  margin-bottom: 14px;
}

.participate-text h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 18px;
}

.participate-text p {
  font-size: 15px;
  color: rgba(255,255,255,0.55);
  line-height: 1.75;
  margin-bottom: 28px;
}

.participate-details {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.part-detail {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}

.part-detail .pd-dot {
  width: 6px;
  height: 6px;
  min-width: 6px;
  border-radius: 50%;
  background: var(--poc-gold);
  margin-top: 7px;
}

.participate-visual {
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4/3;
}

/* =============================================
   DID YOU KNOW — SHIRLEY CARDS
   ============================================= */
.shirley-section {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--poc-warm-gray);
}

.shirley-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 56px;
  align-items: center;
}

.shirley-visual {
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 3/4;
}

.shirley-text .shirley-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--poc-plum);
  margin-bottom: 14px;
}

.shirley-text h3 {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.2;
}

.shirley-text p {
  font-size: 15px;
  color: var(--poc-mid-gray);
  line-height: 1.75;
  margin-bottom: 14px;
}

.shirley-text p:last-of-type { margin-bottom: 0; }

.shirley-text .shirley-highlight {
  font-weight: 600;
  color: var(--poc-dark-gray);
  font-style: italic;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .overview-layout,
  .skin-split-layout,
  .participate-layout,
  .shirley-layout { grid-template-columns: 1fr; gap: 40px; }
  .skin-split-layout.reverse .ss-visual { order: 0; }
  .skin-split-layout.reverse .ss-text { order: 0; }
  .positions-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .skin-hero { padding: 110px 0 72px; }
  .skin-hero .cta-group { flex-direction: column; }
  .positions-grid { grid-template-columns: repeat(3, 1fr); }
  .overview-stats { grid-template-columns: 1fr; }
  .monk-scale { flex-wrap: wrap; }
  .monk-swatch { min-width: calc(20% - 4px); }
  .mst-grid { grid-template-columns: repeat(5, 1fr); }
}