/* ═══════════════════════════════════════════════════════════════
   Case Study Pages — Styles
   ═══════════════════════════════════════════════════════════════ */

/* ── Header Dark Variant (for case pages) ───────────────────── */
.header--dark .header__logo,
.header--dark .header__link {
  color: var(--white);
}

.header--dark .header__link:hover,
.header--dark .header__link.active {
  color: var(--accent-light);
}

.header--dark .header__menu-btn span {
  background-color: var(--white);
}

.header--dark.scrolled .header__logo,
.header--dark.scrolled .header__link {
  color: var(--text-body);
}

.header--dark.scrolled .header__link:hover,
.header--dark.scrolled .header__link.active {
  color: var(--text);
}

.header--dark.scrolled .header__menu-btn span {
  background-color: var(--text);
}

/* ═══════════════════════════════════════════════════════════════
   CASE HERO
   ═══════════════════════════════════════════════════════════════ */
.case-hero {
  position: relative;
  background-color: var(--text);
  color: var(--white);
  padding-top: var(--header-height);
}

.case-hero__cover {
  width: 100%;
  line-height: 0;
}

.case-hero__cover img {
  width: 100%;
  height: auto;
  display: block;
}

.case-hero__placeholder {
  width: 100%;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1A1A1A 0%, #2a2a2a 50%, #1A1A1A 100%);
}

@media (min-width: 768px) {
  .case-hero__placeholder { min-height: 480px; }
}

@media (min-width: 1024px) {
  .case-hero__placeholder { min-height: 560px; }
}

.case-hero__placeholder span {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 4rem);
  color: var(--accent-light);
  opacity: 0.2;
  letter-spacing: -0.02em;
}

.case-hero__content {
  padding: 48px 0 64px;
}

@media (min-width: 768px) {
  .case-hero__content { padding: 64px 0 80px; }
}

.case-hero__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 32px;
  transition: color var(--transition);
}

.case-hero__back:hover {
  color: var(--white);
}

.case-hero__back svg {
  transition: transform var(--transition);
}

.case-hero__back:hover svg {
  transform: translateX(-3px);
}

.case-hero .section-label {
  color: var(--accent-light);
}

.case-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 20px;
}

.case-hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 40px;
}

/* Meta grid */
.case-hero__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 32px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
  .case-hero__meta { grid-template-columns: repeat(4, 1fr); }
}

.case-hero__meta-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-light);
  margin-bottom: 6px;
}

.case-hero__meta-value {
  display: block;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
}

/* ═══════════════════════════════════════════════════════════════
   CASE SECTIONS (Content Blocks)
   ═══════════════════════════════════════════════════════════════ */
.case-section {
  padding: 80px 0;
  background-color: var(--bg);
}

@media (min-width: 768px) {
  .case-section { padding: 100px 0; }
}

.case-section--alt {
  background-color: var(--bg-alt);
}

/* Content block with label + content side by side */
.case-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 768px) {
  .case-block {
    grid-template-columns: 200px 1fr;
    gap: 64px;
  }
}

.case-block__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.case-block__label span {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--accent);
  line-height: 1;
}

.case-block__content {
  max-width: 680px;
}

.case-block__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 24px;
}

.case-block__content p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-body);
  margin-bottom: 16px;
}

.case-block__content p:last-child {
  margin-bottom: 0;
}

.case-block__content strong {
  color: var(--text);
  font-weight: 600;
}

/* ── Strategy pillars ───────────────────────────────────────── */
.case-pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 32px;
}

@media (min-width: 768px) {
  .case-pillars { grid-template-columns: repeat(3, 1fr); }
}

.case-pillar {
  padding: 28px 24px;
  background-color: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.case-section--alt .case-pillar {
  background-color: var(--white);
}

.case-pillar h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 10px;
}

.case-pillar p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-body);
  margin-bottom: 0 !important;
}

/* ═══════════════════════════════════════════════════════════════
   CASE IMAGES & GALLERY
   ═══════════════════════════════════════════════════════════════ */

/* Full-width image */
.case-image--full {
  width: 100%;
}

.case-image--full img {
  width: 100%;
  display: block;
}

/* Image placeholders */
.case-image__placeholder {
  width: 100%;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-alt);
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 768px) {
  .case-image__placeholder { min-height: 400px; }
}

.case-image--full .case-image__placeholder {
  border-radius: 0;
  min-height: 320px;
}

@media (min-width: 768px) {
  .case-image--full .case-image__placeholder { min-height: 480px; }
}

.case-image__placeholder span {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.case-image__placeholder--dark {
  background-color: var(--text);
}

.case-image__placeholder--dark span {
  color: rgba(255, 255, 255, 0.2);
}

.case-image__placeholder--accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
}

.case-image__placeholder--accent span {
  color: rgba(255, 255, 255, 0.4);
}

/* Gallery grids */
.case-gallery {
  padding: 16px 0;
}

@media (min-width: 768px) {
  .case-gallery { padding: 24px 0; }
}

.case-gallery__grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 768px) {
  .case-gallery__grid { gap: 24px; }
}

.case-gallery__grid--2 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .case-gallery__grid--2 { grid-template-columns: 1fr 1fr; }
}

.case-gallery__grid--3 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .case-gallery__grid--3 { grid-template-columns: repeat(3, 1fr); }
}

/* Real images inside gallery */
.case-gallery__grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: var(--radius);
}

.case-gallery__grid--2 img {
  aspect-ratio: 16 / 10;
}

.case-gallery__grid--3 img {
  aspect-ratio: 3 / 4;
}

.case-image--full img {
  width: 100%;
  display: block;
  border-radius: 0;
}

/* Contained image (for portrait/smaller images that shouldn't stretch fullwidth) */
.case-image--contained {
  padding: 24px 0;
}

@media (min-width: 768px) {
  .case-image--contained { padding: 32px 0; }
}

.case-image--contained img {
  display: block;
  max-width: 480px;
  width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius);
}

/* ═══════════════════════════════════════════════════════════════
   DELIVERABLES
   ═══════════════════════════════════════════════════════════════ */
.case-deliverables {
  padding: 64px 0;
  background-color: var(--bg-alt);
}

.case-deliverables__inner {
  max-width: 720px;
  margin: 0 auto;
}

.case-deliverables__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  margin-bottom: 28px;
  text-align: center;
}

.case-deliverables__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 768px) {
  .case-deliverables__grid { grid-template-columns: 1fr 1fr; }
}

.case-deliverable {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background-color: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.case-deliverable svg {
  color: var(--accent);
  flex-shrink: 0;
}

.case-deliverable span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

/* ═══════════════════════════════════════════════════════════════
   CASE CTA (Bottom)
   ═══════════════════════════════════════════════════════════════ */
.case-cta {
  padding: 80px 0;
  background-color: var(--text);
  color: var(--white);
}

@media (min-width: 768px) {
  .case-cta { padding: 100px 0; }
}

.case-cta__inner {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.case-cta .section-label {
  color: var(--accent-light);
}

.case-cta__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 16px;
}

.case-cta__text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.case-cta__buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}