/* WORK / project case study — dark shell on #000, text #F4F3EF */

:root {
  --work-bg: #000000;
  --work-text: #f4f3ef;
  --work-muted: rgba(244, 243, 239, 0.62);
  --work-line: rgba(244, 243, 239, 0.18);
  --work-accent: #c21f1f;
  --work-radius: clamp(12px, 1.5vw, 20px);
  --work-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

body.page-work {
  background: var(--work-bg);
  color: var(--work-text);
}

.page-work {
  background: var(--work-bg);
  color: var(--work-text);
}

.page-work .page {
  min-height: 100vh;
  min-height: 100dvh;
}

/* Header on dark — sticky + scroll-collapse */
.page-work .site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  transition:
    opacity 0.5s var(--work-ease),
    transform 0.5s var(--work-ease),
    filter 0.45s ease,
    visibility 0.5s;
}

.page-work .site-header.is-header-hidden {
  opacity: 0;
  transform: translateY(-40%) scale(0.97);
  filter: blur(6px);
  pointer-events: none;
  visibility: hidden;
}

.page-work .site-header__nav a {
  color: var(--work-text);
}

.page-work .site-header__menu-icon img {
  filter: brightness(0) invert(0.96);
}

.page-work .site-header__logo-img {
  filter: brightness(0) invert(0.96) opacity(0.92);
}

.page-work .site-header__nav a.is-active {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 6px;
}

@media (prefers-reduced-motion: reduce) {
  .page-work .site-header {
    transition-duration: 0.01ms !important;
  }
}

/* ① Full-viewport hero + creative reveal */
.work-hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0 calc(-1 * clamp(1rem, 4vw, 48px));
  width: calc(100% + 2 * clamp(1rem, 4vw, 48px));
  overflow: hidden;
}

.work-hero__inner {
  position: absolute;
  inset: 0;
  will-change: clip-path, transform, filter, opacity;
  animation: workHeroReveal 1.65s var(--work-ease) both;
}

.work-hero__img {
  width: 105%;
  height: 105%;
  object-fit: cover;
  object-position: center;
  display: block;
  transform: scale(1.02);
}

.work-hero__veil {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, transparent 0%, rgba(0, 0, 0, 0.45) 100%);
  pointer-events: none;
  animation: workHeroVeil 1.8s ease 0.2s both;
}

.work-hero__grain {
  position: absolute;
  inset: -20%;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
  mix-blend-mode: overlay;
}

@keyframes workHeroReveal {
  0% {
    clip-path: inset(10% 8% 12% 8%);
    filter: brightness(0.35) contrast(1.1);
    opacity: 0;
    transform: scale(1.08);
  }
  45% {
    opacity: 1;
  }
  100% {
    clip-path: inset(0 0 0 0);
    filter: brightness(1) contrast(1);
    transform: scale(1);
  }
}

@keyframes workHeroVeil {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .work-hero__inner {
    animation: none;
    clip-path: none;
    filter: none;
    opacity: 1;
    transform: none;
  }

  .work-hero__veil {
    animation: none;
    opacity: 1;
  }
}

/* ② Title + intro */
.work-intro {
  max-width: 900px;
  margin: 0 auto;
  padding: clamp(4rem, 12vh, 8rem) clamp(1rem, 4vw, 48px) clamp(3rem, 8vh, 6rem);
}

.work-intro__label {
  font-family: var(--font-ibm, "IBM Plex Sans", sans-serif);
  font-weight: 700;
  font-size: clamp(0.7rem, 1.1vw, 0.8rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--work-muted);
  margin: 0 0 1.25rem;
}

.work-intro__title {
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 1.5rem;
  max-width: 20ch;
}

.work-intro__rule {
  width: 3rem;
  height: 1px;
  background: var(--work-line);
  margin: 0 0 1.75rem;
  border: 0;
}

.work-intro__body {
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.75;
  color: var(--work-muted);
  max-width: 52ch;
}

.work-intro__meta {
  margin-top: 2rem;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--work-muted);
}

/* ③ Video (YouTube) */
.work-video-wrap {
  padding: 0 clamp(1rem, 4vw, 48px) clamp(4rem, 10vh, 7rem);
  max-width: 1200px;
  margin: 0 auto;
}

.work-video {
  position: relative;
  border-radius: var(--work-radius);
  overflow: hidden;
  background: #111;
  aspect-ratio: 16 / 9;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.55);
}

.work-video__poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.work-video__yt {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.work-video.is-playing .work-video__poster,
.work-video.is-playing .work-video__play {
  display: none;
}

.work-video__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  border: none;
  cursor: pointer;
  transition: background 0.35s var(--work-ease);
}

.work-video__play:hover,
.work-video__play:focus-visible {
  background: rgba(0, 0, 0, 0.5);
}

.work-video__play:focus-visible {
  outline: 2px solid var(--work-text);
  outline-offset: 4px;
}

.work-video__play-icon {
  width: clamp(64px, 10vw, 96px);
  height: clamp(64px, 10vw, 96px);
  border-radius: 50%;
  border: 2px solid var(--work-text);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  transition: transform 0.35s var(--work-ease), border-color 0.2s;
}

.work-video__play:hover .work-video__play-icon,
.work-video__play:focus-visible .work-video__play-icon {
  transform: scale(1.06);
  border-color: var(--work-accent);
}

.work-video__play-icon svg {
  width: 38%;
  height: 38%;
  margin-left: 6%;
  fill: var(--work-text);
}

.work-video__caption {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--work-muted);
}

/* ④ Gallery */
.work-gallery {
  padding: 0 clamp(0.5rem, 2vw, 16px) clamp(5rem, 14vh, 9rem);
}

.work-gallery__title {
  max-width: 1200px;
  margin: 0 auto 1.5rem;
  padding: 0 clamp(0.5rem, 2vw, 20px);
  font-family: var(--font-ibm, "IBM Plex Sans", sans-serif);
  font-weight: 700;
  font-size: clamp(0.7rem, 1.1vw, 0.8rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--work-muted);
}

.work-gallery__grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(4px, 0.6vw, 10px);
}

@media (min-width: 900px) {
  .work-gallery__grid--triple {
    grid-template-columns: repeat(3, 1fr);
  }
}

.work-gallery__cell {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #141414;
}

.work-gallery__cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s var(--work-ease);
}

.work-gallery__cell:hover img {
  transform: scale(1.03);
}

@media (prefers-reduced-motion: reduce) {
  .work-gallery__cell:hover img {
    transform: none;
  }
}