/**
 * Opposing Carousel: Names and Photos That Step in Opposite Directions
 * Exact implementation adhering to design specification.
 */

:root {
  --oc-transition-curve: cubic-bezier(0.16, 1, 0.3, 1);
  --oc-transition-duration: 1500ms;
  --oc-name-step: 18vh;
  --oc-hairline-color: #e6e6e6;
  --oc-inactive-color: #8e8e8e;
  --oc-active-color: #141518;
}

/* 1. Opposing Carousel Section & Stage */
.oc-stage-container {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  background-color: #ffffff;
}

.oc-stage {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  background-color: #ffffff;
  overflow: hidden;
  overscroll-behavior: none;
  user-select: none;
  -webkit-user-select: none;
  z-index: 5;
}

/* 2. Opposing Carousel Split Container */
.oc-split {
  position: absolute;
  inset: 0;
  display: flex;
  width: 100%;
  max-width: 1440px;
  height: 100%;
  margin: 0 auto;
  padding: 0 clamp(16px, 2.5vw, 32px);
  box-sizing: border-box;
}

/* 3. Equal Half Panels */
.oc-panel {
  flex: 1;
  position: relative;
  height: 100%;
  overflow: hidden;
}

.oc-panel--names {
  display: flex;
  align-items: center;
}

.oc-panel--photos {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 4. Left Column: Names */
.oc-names {
  position: relative;
  width: 100%;
  height: 100%;
  padding-left: var(--oc-name-left-inset, 0px);
  box-sizing: border-box;
}

.oc-name {
  position: absolute;
  top: 50%;
  left: var(--oc-name-left-inset, 0px);
  transform-origin: left center;
  display: block;
  text-decoration: none;
  color: var(--oc-inactive-color);
  opacity: 0;
  cursor: pointer;
  transition: transform var(--oc-transition-duration) var(--oc-transition-curve),
              opacity var(--oc-transition-duration) var(--oc-transition-curve),
              color var(--oc-transition-duration) var(--oc-transition-curve);
  will-change: transform, opacity;
  z-index: 1;
  white-space: nowrap;
}

.oc-name.is-active {
  color: var(--oc-active-color);
  z-index: 5;
}

.oc-name__title {
  font-family: var(--font-display, "Montserrat", sans-serif);
  font-size: clamp(2.6rem, 5vw, 4.6rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.08;
  margin: 0;
  padding: 0;
  transition: color var(--oc-transition-duration) var(--oc-transition-curve);
}

.oc-name__meta {
  position: absolute;
  top: calc(100% + 0.65rem);
  left: 0;
  width: max-content;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity var(--oc-transition-duration) var(--oc-transition-curve),
              transform var(--oc-transition-duration) var(--oc-transition-curve);
}

.oc-name.is-active .oc-name__meta {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.oc-name__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-sans, "Montserrat", sans-serif);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-bronze, #c5a47e);
  margin: 0;
}

.oc-name__loc {
  font-family: var(--font-sans, "Montserrat", sans-serif);
  font-size: 0.82rem;
  font-weight: 500;
  color: #6a6f78;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
}

.oc-name__action {
  margin-top: 0.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans, "Montserrat", sans-serif);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #141518;
  text-decoration: none;
  border-bottom: 2px solid #c5a47e;
  padding-bottom: 2px;
  width: fit-content;
  transition: color 0.3s ease, border-color 0.3s ease, gap 0.3s ease;
}

.oc-name__action:hover {
  color: #a67832;
  border-color: #a67832;
  gap: 0.75rem;
}

.oc-counter-sep {
  margin: 0 0.2rem;
  color: #c5a47e;
}

.oc-counter-total {
  color: #8e8e8e;
  font-weight: 500;
}

.oc-hud-hint {
  font-family: var(--font-sans, "Montserrat", sans-serif);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8e8e8e;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-left: 1.5rem;
}

/* Framing hairlines removed per user request */
.oc-hairline {
  display: none !important;
}

/* 5. Right Column: Photos */
.oc-carousel {
  position: relative;
  width: 100%;
  height: 100%;
}

.oc-thumb {
  position: absolute;
  top: 50%;
  left: 50%;
  transform-origin: center center;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
  opacity: 0;
  cursor: pointer;
  transition: transform var(--oc-transition-duration) var(--oc-transition-curve),
              opacity var(--oc-transition-duration) var(--oc-transition-curve);
  will-change: transform, opacity;
  z-index: 1;
  display: flex;
}

.oc-thumb.is-active {
  z-index: 10;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.16);
}

.oc-thumb img {
  display: block;
  width: min(44vw, var(--oc-column-width, 600px), calc(64vh * 3 / 4));
  height: 64vh;
  object-fit: cover;
  border-radius: 6px;
  pointer-events: none;
}

/* Optional Overlay Action / Spec pill on active card */
.oc-thumb-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.95rem;
  background: rgba(20, 21, 24, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 999px;
  color: #ffffff;
  font-family: var(--font-sans, "Montserrat", sans-serif);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 300ms ease, transform 300ms ease;
  pointer-events: none;
}

.oc-thumb.is-active .oc-thumb-badge {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 400ms;
}

.oc-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2ec4b6;
}

/* Quick Navigation Controls (Discreet bottom-left indicator) */
.oc-indicator-hud {
  position: absolute;
  bottom: clamp(1.5rem, 3vh, 2.5rem);
  left: clamp(1.5rem, 3.5vw, 3.5rem);
  display: flex;
  align-items: center;
  gap: 1.2rem;
  z-index: 20;
}

.oc-counter {
  font-family: var(--font-mono, monospace);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--oc-inactive-color);
}

.oc-counter-current {
  color: var(--oc-active-color);
  font-weight: 700;
}

.oc-arrows {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.oc-arrow-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid #e0e0e0;
  background: #ffffff;
  color: #141518;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
}

.oc-arrow-btn:hover {
  background: #141518;
  color: #ffffff;
  border-color: #141518;
}

/* 6. Mobile Responsiveness (Below 700px) */
@media (max-width: 700px) {
  .oc-name__title {
    font-size: 6.2vw;
  }

  .oc-name__tag {
    font-size: 9px;
    letter-spacing: 0.15em;
    margin-top: 0.7rem;
  }

  .oc-thumb img {
    height: 52vh;
    width: min(46vw, calc(52vh * 3 / 4));
  }

  .oc-hairline {
    width: 90%;
  }

  .oc-indicator-hud {
    bottom: 1rem;
    left: 1rem;
  }
}

/* 8. Header on Opposing Carousel: crisp dark navigation on white stage */
/* 8. Page Integration: Dark Hero Banner followed by White Opposing Carousel */
body.page-opposing-carousel {
  background: #06070a;
  overflow-x: hidden;
  overflow-y: auto;
  scroll-behavior: smooth;
}

body.page-opposing-carousel .projects-hero-banner {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  border-radius: 0;
  padding-top: clamp(7.5rem, 14vh, 10rem);
  padding-bottom: clamp(3.5rem, 6vh, 5rem);
}

.hero-scroll-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 2rem;
  padding: 0.75rem 1.6rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 9999px;
  color: #ffffff;
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: all 0.3s ease;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.hero-scroll-btn:hover {
  background: rgba(212, 175, 55, 0.22);
  border-color: #ecd18c;
  color: #ecd18c;
  transform: translateY(2px);
}

.hero-scroll-btn svg {
  transition: transform 0.3s ease;
}

.hero-scroll-btn:hover svg {
  transform: translateY(3px);
}

/* Back to Overview button in Carousel HUD */
.oc-back-hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  margin-left: 1.25rem;
  background: rgba(20, 21, 24, 0.05);
  border: 1px solid rgba(20, 21, 24, 0.12);
  border-radius: 9999px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #141518;
  cursor: pointer;
  transition: all 0.25s ease;
}

.oc-back-hero-btn:hover {
  background: #141518;
  color: #ffffff;
  border-color: #141518;
}