/* ── Project / Case Study page styles ── */

@font-face {
  font-family: 'Hk Grotesk';
  font-style: normal;
  font-weight: 400;
  src: url('../fonts/HKGrotesk-Regular.woff') format('woff');
}

@font-face {
  font-family: 'Jost';
  font-style: normal;
  font-weight: 400;
  src: url('../fonts/Jost-Regular.ttf') format('truetype');
}

/* ── Reset & base ── */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --black:    #0e0d0c;
  --pink:     #ff3258;
  --white:    #f2ede5;
  --white-1:  rgba(214, 206, 195, 0.9);
  --border:   1px solid rgba(255,255,255,0.07);

  --font-xs:  1.4rem;
  --font-sm:  1.8rem;
  --font-md:  2.2rem;
  --font-lg:  3.2rem;
  --font-xl:  5.5rem;
  --font-2xl: 8rem;

  --gap-sm:  2rem;
  --gap-md:  4rem;
  --gap-lg:  8rem;
  --gap-xl:  12rem;

  --max-w: 1180px;
  --col-label-w: 22rem;
}

html {
  font-size: 56%;
  scroll-behavior: smooth;
  cursor: none;
}

@media (max-width: 1000px) { html { font-size: 47%; } }

body {
  background: var(--black);
  color: var(--white-1);
  font-family: 'Hk Grotesk', sans-serif;
  font-size: var(--font-sm);
  line-height: 1.7;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
  object-fit: cover;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ── Custom cursor ── */

.cursor--dot { display: none; }

.cursor--ring {
  position: fixed;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  will-change: transform;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
  transition:
    width  0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
    height 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
    opacity 0.3s ease;
}

.cursor--ring.is-hovering {
  width: 44px;
  height: 44px;
}

/* ── Scroll reveal ── */

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ── Layout container ── */

.cs-row {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 4rem;
}

@media (max-width: 1240px) { .cs-row { padding: 0 3rem; } }
@media (max-width: 600px)  { .cs-row { padding: 0 2rem; } }

/* ── Case study nav ── */

.cs-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  transition: background 0.35s ease, box-shadow 0.35s ease;
}

.cs-nav--scrolled {
  background: rgba(0,0,0,0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.cs-nav__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2.4rem 0;
}

.cs-nav__back,
.cs-nav__next {
  font-family: 'Jost', sans-serif;
  font-size: var(--font-sm);
  color: var(--white-1);
  letter-spacing: 0.04em;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  transition: color 0.2s;
}

.cs-nav__back:hover,
.cs-nav__next:hover {
  color: var(--pink);
}

.cs-nav__logo {
  font-family: 'Jost', sans-serif;
  font-size: var(--font-md);
  color: var(--white);
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.cs-nav__logo:hover { color: var(--pink); }

/* ── Hero ── */

.cs-hero {
  padding: 18rem 0 10rem;
  border-bottom: var(--border);
}

.cs-hero__meta {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  margin-bottom: 3rem;
}

.cs-hero__tag {
  font-family: 'Jost', sans-serif;
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 1rem;
  border-radius: 2px;
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--white-1);
  background: rgba(255,255,255,0.04);
}

.cs-hero__year {
  font-size: 1.4rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
}

.cs-hero__title {
  font-family: 'Jost', sans-serif;
  font-size: clamp(4.5rem, 7vw, var(--font-2xl));
  font-weight: 400;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 3rem;
  max-width: 900px;
}

.cs-hero__subtitle {
  font-size: var(--font-md);
  color: var(--white-1);
  max-width: 680px;
  line-height: 1.6;
  margin-bottom: 4rem;
}

.cs-hero__links {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.cs-link {
  position: relative;
  display: inline-block;
  padding: 0.6rem 0.6rem;
  color: inherit;
  text-decoration: none;
  font-family: 'Jost', sans-serif;
  font-size: var(--font-sm);
  border-bottom: 1px solid var(--pink);
  transition: color 0.2s;
}

.cs-link::after {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 100%;
  background: var(--pink);
  height: 100%;
  z-index: -1;
  transition: right 0.25s cubic-bezier(1,0.68,0.16,0.9);
}

.cs-link:hover::after { right: 0; }

/* ── Meta strip ── */

.cs-meta-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 4rem;
  padding: 6rem 0;
  border-bottom: var(--border);
}

.cs-meta__label {
  font-family: 'Jost', sans-serif;
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 1rem;
}

.cs-meta__value {
  font-size: var(--font-sm);
  color: var(--white-1);
  line-height: 1.5;
}

/* ── Full-width media ── */

.cs-full-media {
  width: 100%;
  border-bottom: var(--border);
}

.cs-full-media iframe,
.cs-full-media img {
  width: 100%;
  display: block;
}

.cs-full-media iframe {
  height: 70vh;
  min-height: 400px;
  border: none;
}

/* ── Section: two-column (label | content) ── */

.cs-section {
  padding: var(--gap-lg) 0;
  border-bottom: var(--border);
}

.cs-section__inner {
  display: grid;
  grid-template-columns: var(--col-label-w) 1fr;
  gap: 4rem;
  align-items: start;
}

@media (max-width: 760px) {
  .cs-section__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.cs-section__label {
  font-family: 'Jost', sans-serif;
  font-size: 1.2rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  padding-top: 0.4rem;
}

.cs-section__body h3 {
  font-family: 'Jost', sans-serif;
  font-size: var(--font-lg);
  font-weight: 400;
  color: var(--white);
  margin-bottom: 2rem;
  line-height: 1.2;
}

.cs-section__body p {
  margin-bottom: 2rem;
  max-width: 640px;
  line-height: 1.75;
}

.cs-section__body p:last-child { margin-bottom: 0; }

.cs-section__body ul {
  margin: 1.5rem 0 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.cs-section__body ul li {
  max-width: 600px;
  line-height: 1.65;
}

/* ── Inline media (within section) ── */

.cs-section__media {
  margin-top: 4rem;
}

.cs-section__media iframe,
.cs-section__media img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.08);
}

.cs-section__media iframe {
  height: 520px;
  border: none;
  border-radius: 8px;
  display: block;
  outline: 1px solid rgba(255,255,255,0.08);
}

/* ── Image grid ── */

.cs-grid {
  display: grid;
  gap: 2rem;
  margin-top: 4rem;
}

.cs-grid--2 { grid-template-columns: 1fr 1fr; }
.cs-grid--3 { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 700px) {
  .cs-grid--2,
  .cs-grid--3 { grid-template-columns: 1fr; }
}

.cs-grid img {
  border-radius: 6px;
  width: 100%;
  height: 280px;
  object-fit: cover;
}

/* Full image — no crop, natural aspect ratio */
.cs-grid--screen img {
  height: auto;
  object-fit: contain;
}

/* ── Pull quote ── */

.cs-quote {
  border-left: 2px solid var(--pink);
  padding: 1.5rem 3rem;
  margin: 3rem 0;
  font-family: 'Jost', sans-serif;
  font-size: var(--font-md);
  color: var(--white);
  font-style: italic;
  line-height: 1.5;
}

/* ── Tools list (pill row) ── */

.cs-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.cs-tool {
  font-family: 'Jost', sans-serif;
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 1.2rem;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 2px;
  color: var(--white-1);
  background: rgba(255,255,255,0.04);
}

/* ── Prev / Next project band ── */

.cs-project-nav {
  border-top: var(--border);
}

.cs-project-nav__inner {
  display: flex;
}

/* ── Previous: narrower left section ── */

.cs-pnav--prev {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  padding: var(--gap-lg) 4rem var(--gap-lg) 0;
  text-decoration: none;
  flex: 0 0 30%;
  border-right: var(--border);
}

/* ── Next: wider right section ── */

.cs-pnav--next {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2rem;
  padding: var(--gap-lg) 0 var(--gap-lg) 4rem;
  text-decoration: none;
  flex: 1;
}

/* Labels */

.cs-pnav__label {
  font-size: 1.2rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 0.8rem;
}

/* Titles */

.cs-pnav__title {
  font-family: 'Jost', sans-serif;
  color: var(--white);
  line-height: 1;
  transition: color 0.2s;
}

.cs-pnav--prev .cs-pnav__title {
  font-size: var(--font-md);
}

.cs-pnav--next .cs-pnav__title {
  font-size: var(--font-xl);
  text-align: right;
}

/* Arrows */

.cs-pnav__arrow {
  color: var(--white-1);
  flex-shrink: 0;
  transition: transform 0.3s ease, color 0.2s;
}

.cs-pnav--prev .cs-pnav__arrow { font-size: 2rem; }
.cs-pnav--next .cs-pnav__arrow { font-size: 3.5rem; }

.cs-pnav--prev:hover .cs-pnav__arrow {
  transform: translateX(-6px);
  color: var(--pink);
}

.cs-pnav--next:hover .cs-pnav__arrow {
  transform: translateX(10px);
  color: var(--pink);
}

.cs-pnav--prev:hover .cs-pnav__title,
.cs-pnav--next:hover .cs-pnav__title {
  color: var(--pink);
}

@media (max-width: 700px) {
  .cs-project-nav__inner { flex-direction: column; }

  .cs-pnav--prev {
    flex: unset;
    border-right: none;
    border-bottom: var(--border);
    padding: var(--gap-md) 0;
  }

  .cs-pnav--next {
    justify-content: flex-start;
    padding: var(--gap-md) 0;
  }

  .cs-pnav--next .cs-pnav__title {
    font-size: var(--font-lg);
    text-align: left;
  }
}

/* ── Footer ── */

.cs-footer {
  padding: 6rem 0;
  border-top: var(--border);
}

.cs-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cs-footer__copy {
  font-family: 'Jost', sans-serif;
  font-size: var(--font-sm);
  color: rgba(242, 237, 229, 0.45);
  margin: 0;
}

.cs-footer__links {
  display: flex;
  gap: 3.6rem;
}

.cs-footer__link {
  font-family: 'Jost', sans-serif;
  font-size: var(--font-sm);
  color: rgba(242, 237, 229, 0.6);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}

.cs-footer__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--pink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s cubic-bezier(1, 0.68, 0.16, 0.9);
}

.cs-footer__link:hover { color: var(--white); }

/* ── Image caption ── */

.cs-caption {
  font-family: 'Jost', sans-serif;
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.28);
  margin-top: 1rem;
}

/* ── Cinematic grid (taller cells for wide stills) ── */

.cs-grid--cinema img {
  height: 380px;
}

.cs-grid--cinema-tall img {
  height: 480px;
}

/* ── Render pass comparison strip ── */

.cs-pass-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-top: 3rem;
}

.cs-pass-strip img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 3px;
  display: block;
}

.cs-pass-strip--fit img {
  height: auto;
  object-fit: contain;
}

.cs-pass-strip .cs-caption {
  margin-top: 0.5rem;
}

/* ── Lightbox ── */

.cs-grid img,
.cs-pass-strip img,
.cs-full-media img {
  cursor: zoom-in;
}

.lb-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.4rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  cursor: zoom-out;
}

.lb-overlay.is-open {
  opacity: 1;
  pointer-events: all;
}

.lb-overlay img {
  max-width: 72%;
  max-height: 72vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
  cursor: zoom-out;
  transform: scale(0.96);
  transition: transform 0.25s ease;
}

.lb-overlay.is-open img {
  transform: scale(1);
}

@media (max-width: 700px) {
  .cs-pass-strip { grid-template-columns: 1fr 1fr; }
  .cs-grid--cinema img,
  .cs-grid--cinema-tall img { height: 220px; }
}

.cs-footer__link:hover::after { transform: scaleX(1); }

@media(max-width: 600px) {
  .cs-footer__inner {
    flex-direction: column;
    gap: 2.4rem;
    text-align: center;
  }
  .cs-footer__links { justify-content: center; }
}

/* ── Responsive tweaks ── */

@media (max-width: 900px) {
  .cs-hero { padding: 14rem 0 7rem; }
  .cs-next__title { font-size: var(--font-lg); }
}

@media (max-width: 600px) {
  .cs-hero { padding: 12rem 0 6rem; }
  .cs-next__arrow { font-size: 2.5rem; }
  .cs-footer__inner { flex-direction: column; gap: 2rem; text-align: center; }
  .cs-footer__links { justify-content: center; }
}