/* ==========================================================================
   SPARSH SHARMA — CASE STUDY STYLESHEET
   Pure Brutalist Theme: Cherry Red (#d2042d) & Absolute Black (#000000)
   ZERO Gradients | ZERO Glows | Sharp Geometry
   ========================================================================== */

/* ── Fixed Case Toolbar ─────────────────────────────────────────────────── */
.case-toolbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0.85rem 0;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.case-toolbar-inner {
  width: min(var(--max), calc(100% - 2.5rem));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.case-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--t2);
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.2s ease;
}

.case-back:hover {
  color: #ffffff;
}

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

.case-back svg {
  transition: transform 0.2s ease;
}

.case-toolbar-project {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--cherry);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
}

/* ── Main Layout ─────────────────────────────────────────────────────────── */
.case-main {
  max-width: 840px;
  margin: 0 auto;
  padding: 7rem 1.5rem 5rem;
}

.case-article {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

/* ── Header ──────────────────────────────────────────────────────────────── */
.case-header {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2rem;
}

.case-tag {
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cherry);
  padding: 0.25rem 0.65rem;
  border: 1px solid rgba(225, 29, 72, 0.3);
  background: rgba(225, 29, 72, 0.08);
  width: fit-content;
}

.case-title {
  font-family: var(--sans);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  text-transform: uppercase;
  color: #ffffff;
}

.case-subtitle {
  color: var(--t2);
  font-size: 1.08rem;
  line-height: 1.7;
  max-width: 720px;
}

.case-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--t2);
}

.case-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.case-meta-tag {
  color: var(--t2);
  background: #060608;
  border: 1px solid var(--border);
  padding: 0.2rem 0.5rem;
  font-size: 0.66rem;
}

.case-meta-links {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.case-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 800;
  color: #ffffff;
  background: #000000;
  border: 1px solid var(--border);
  padding: 0.35rem 0.75rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.2s ease;
}

.case-link:hover {
  background: var(--cherry);
  border-color: var(--cherry);
  color: #ffffff;
}

.case-link-primary {
  background: var(--cherry);
  border-color: var(--cherry);
  color: #ffffff;
}

.case-link-primary:hover {
  background: #ffffff;
  border-color: #ffffff;
  color: #000000;
}

/* ── Sections ────────────────────────────────────────────────────────────── */
.case-section {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.case-h2 {
  font-family: var(--sans);
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: #ffffff;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.case-h3 {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--cherry);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-top: 0.6rem;
}

.case-section p {
  color: var(--t2);
  font-size: 0.96rem;
  line-height: 1.8;
}

.case-section p strong {
  color: #ffffff;
}

.case-section code {
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--cherry);
  background: #0a0a0c;
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--border);
}

/* ── Architecture Blocks ─────────────────────────────────────────────────── */
.case-arch {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.case-arch-item {
  padding: 1.4rem 1.6rem;
  border: 1px solid var(--border);
  border-left: 4px solid var(--cherry);
  background: #060608;
  transition: all 0.2s ease;
}

.case-arch-item:hover {
  background: #0a0a0e;
  border-color: rgba(255, 255, 255, 0.25);
  border-left-color: var(--cherry);
}

.case-arch-item h3 {
  font-family: var(--mono);
  font-size: 0.92rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.case-arch-item p {
  color: var(--t2);
  font-size: 0.88rem;
  line-height: 1.7;
}

/* ── Stats / Numbers Grid ────────────────────────────────────────────────── */
.case-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.case-stat {
  padding: 1.3rem;
  background: #050508;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: background 0.2s;
}

.case-stat:hover {
  background: #0a0a0e;
}

.case-stat strong {
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  font-family: var(--mono);
  color: var(--cherry);
  line-height: 1;
}

.case-stat span {
  font-size: 0.65rem;
  color: var(--t2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--mono);
  font-weight: 700;
}

/* ── Previous / Next Project Navigation Bar ──────────────────────────────── */
.case-nav-footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.case-nav-box {
  background: #060608;
  border: 1px solid var(--border);
  padding: 1.3rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-decoration: none;
  transition: all 0.25s ease;
}

.case-nav-box:hover {
  background: #0a0a0e;
  border-color: var(--cherry);
  transform: translateY(-2px);
}

.case-nav-box.prev {
  text-align: left;
}

.case-nav-box.next {
  text-align: right;
}

.case-nav-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 800;
  color: var(--cherry);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.case-nav-box.next .case-nav-meta {
  justify-content: flex-end;
}

.case-nav-title {
  font-family: var(--sans);
  font-size: 1.15rem;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.case-nav-box:hover .case-nav-title {
  color: var(--cherry);
}

.case-nav-desc {
  font-size: 0.8rem;
  color: var(--t3);
  font-family: var(--mono);
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .case-main {
    padding: 5.5rem 1.2rem 3rem;
  }
  .case-title {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }
  .case-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .case-nav-footer {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .case-nav-box.next {
    text-align: left;
  }
  .case-nav-box.next .case-nav-meta {
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  .case-stats {
    grid-template-columns: 1fr;
  }
  .case-toolbar-project {
    font-size: 0.6rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 160px;
  }
}

/* Page Transitions */
body { animation: page-in 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
@keyframes page-in { 0% { opacity: 0; } 100% { opacity: 1; } }