/* ============================================================
   RVK Digital — work.css
   Portfolio / Work page styles.
   ============================================================ */


/* ── FILTER BAR ──────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}
.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.4375rem 1rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-3);
  cursor: pointer;
  transition: all var(--t-fast);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--dark);
  border-color: var(--dark);
  color: var(--light);
}
[data-theme="dark"] .filter-btn:hover,
[data-theme="dark"] .filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ── CASE STUDY GRID ─────────────────────────────────────── */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.case-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
  display: flex;
  flex-direction: column;
}
.case-card:hover { transform: translateY(-4px); }
[data-theme="light"] .case-card:hover { box-shadow: 0 16px 48px rgba(26,23,20,0.07); }
[data-theme="dark"]  .case-card:hover { box-shadow: 0 16px 48px rgba(26,23,20,0.5);  }

.case-thumb {
  height: 220px;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.case-thumb-dark  { background: var(--dark);   }
.case-thumb-mid   { background: var(--dark-2); }
.case-thumb-black { background: #110E0C;       }

.case-type {
  position: absolute; top: 1rem; right: 1rem;
  background: var(--accent); color: #fff;
  font-size: 0.675rem; font-weight: 600;
  letter-spacing: 0.07em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 100px;
}

.case-body { padding: 1.75rem; flex: 1; display: flex; flex-direction: column; }
.case-body h3 { color: var(--text-1); margin-bottom: 0.625rem; font-size: 1.0625rem; }
.case-body p  { font-size: 0.9rem; margin-bottom: 1.25rem; flex: 1; }

.case-meta {
  display: flex; gap: 0.5rem;
  flex-wrap: wrap; margin-bottom: 1.375rem;
}
.case-result {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1rem 1.25rem;
  display: flex; gap: 1rem;
  align-items: center;
  margin-top: auto;
}
.case-result-num {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
  white-space: nowrap;
}
.case-result-label { font-size: 0.8125rem; color: var(--text-3); }

/* ── STATS STRIP ─────────────────────────────────────────── */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  border: 1px solid rgba(245,242,239,0.07);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.stat-block {
  background: rgba(245,242,239,0.02);
  padding: 2rem 1.75rem;
  text-align: center;
  transition: background var(--t-fast);
}
.stat-block:hover { background: rgba(232,133,106,0.07); }
.stat-block-num {
  font-family: var(--font-display);
  font-size: 2.25rem; font-weight: 800;
  letter-spacing: -0.05em;
  color: var(--accent);
  line-height: 1; margin-bottom: 0.375rem;
}
.stat-block-label { font-size: 0.875rem; color: rgba(245,242,239,0.42); }

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 600px) {
  .case-grid { grid-template-columns: 1fr; }
}


/* ── CARD HOVER PROMPT ───────────────────────────────────── */
.case-thumb { cursor: pointer; }

.thumb-hint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26,23,20,0);
  transition: background 0.3s ease;
}
.case-thumb:hover .thumb-hint { background: rgba(26,23,20,0.55); }

.thumb-hint-label {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.5rem 1.125rem;
  border-radius: 100px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}
.thumb-hint-label svg { width: 14px; height: 14px; stroke: #fff; flex-shrink: 0; }
.case-thumb:hover .thumb-hint-label { opacity: 1; transform: translateY(0); }


/* ── MODAL OVERLAY ───────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(26,23,20,0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

/* ── MODAL PANEL ─────────────────────────────────────────── */
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px) scale(0.98);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: flex-end;
  padding: 1rem 1.25rem 0;
  background: var(--surface);
}
.modal-close-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-2);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--text-3);
  transition: all var(--t-fast);
  flex-shrink: 0;
}
.modal-close-btn:hover {
  background: var(--dark);
  color: var(--light);
  border-color: var(--dark);
}
.modal-close-btn svg { width: 16px; height: 16px; stroke: currentColor; }

.modal-header {
  padding: 0.5rem 2rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.modal-type {
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.5rem;
}
.modal-title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-1);
  margin-bottom: 0.625rem;
}
.modal-desc { font-size: 0.9375rem; max-width: 620px; }


/* ── COMPARISON WRAPPER ──────────────────────────────────── */
.comparison-wrap {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
}
.comparison-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.comp-label {
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-3);
  display: flex; align-items: center; gap: 6px;
}
.comp-label-dot {
  width: 8px; height: 8px; border-radius: 50%;
}
.comp-label-dot.before { background: var(--mid); }
.comp-label-dot.after  { background: var(--accent); }
.comp-hint {
  font-size: 0.75rem; color: var(--text-3);
  display: flex; align-items: center; gap: 5px;
}
.comp-hint svg { width: 13px; height: 13px; stroke: currentColor; }


/* ── COMPARISON SLIDER ───────────────────────────────────── */
.comparison {
  position: relative;
  width: 100%;
  height: 320px;
  border-radius: var(--r-md);
  overflow: hidden;
  user-select: none;
  background: var(--dark);
  border: 1px solid var(--border);
  cursor: ew-resize;
}

/* After — full-width base layer */
.comp-after {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1A1714;
  /* background image — set via inline style or modifier class */
  background-size: cover;
  background-position: top center;
  background-repeat: no-repeat;
}
/* Dark overlay so SVG content stays readable over a screenshot */
.comp-after.has-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(26,23,20,0.55);
  z-index: 0;
}
.comp-after.has-bg svg,
.comp-after.has-bg .comp-panel-label {
  position: relative;
  z-index: 1;
}

/* Before — clipped layer on top, smooth transition on click */
.comp-before {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #2C2825;
  background-size: cover;
  background-position: top center;
  background-repeat: no-repeat;
  clip-path: inset(0 50% 0 0);
  /* smooth on click/tap, instant while dragging (JS toggles this) */
  transition: clip-path 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
/* Dark overlay for before panel when using a screenshot background */
.comp-before.has-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(26,23,20,0.6);
  z-index: 0;
}
.comp-before.has-bg svg,
.comp-before.has-bg .comp-panel-label {
  position: relative;
  z-index: 1;
}
.comparison.dragging .comp-before {
  transition: none; /* instant while finger/mouse is held */
}

/* Panel labels */
.comp-panel-label {
  position: absolute;
  top: 1rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  pointer-events: none;
  z-index: 2;
}
.comp-before .comp-panel-label {
  left: 1rem;
  background: rgba(107,100,96,0.85);
  color: rgba(245,242,239,0.75);
}
.comp-after .comp-panel-label {
  right: 1rem;
  background: rgba(232,133,106,0.9);
  color: #fff;
}

/* Divider line */
.comp-divider {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 2px;
  background: rgba(245,242,239,0.7);
  transform: translateX(-50%);
  z-index: 3;
  pointer-events: none;
  /* smooth on click/tap, instant while dragging */
  transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.comparison.dragging .comp-divider {
  transition: none;
}

/* Drag handle */
.comp-handle {
  position: absolute;
  top: 50%;
  /* left is set by JS — starts at 50% */
  left: 50%;
  /* translate(-50%, -50%) centres the circle on the divider line */
  transform: translate(-50%, -50%);
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--white);
  border: 2.5px solid rgba(245,242,239,0.9);
  display: flex; align-items: center; justify-content: center;
  cursor: ew-resize;
  z-index: 4;
  box-shadow: 0 2px 16px rgba(26,23,20,0.45);
  /* transition on left matches comp-before and comp-divider transitions */
  transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.2s ease;
}
.comp-handle:hover { box-shadow: 0 4px 24px rgba(26,23,20,0.55); }
.comparison.dragging .comp-handle {
  transition: none; /* instant while dragging */
}
.comp-handle svg { width: 18px; height: 18px; }


/* ── MODAL DETAILS STRIP ─────────────────────────────────── */
.modal-details {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  border-bottom: 1px solid var(--border);
}
.modal-detail-block {
  padding: 1.375rem 2rem;
  border-right: 1px solid var(--border);
}
.modal-detail-block:last-child { border-right: none; }
.mdb-label {
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 0.5rem;
}
.mdb-value {
  font-family: var(--font-display);
  font-size: 1.375rem; font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1; margin-bottom: 0.25rem;
}
.mdb-sub { font-size: 0.8125rem; color: var(--text-3); }


/* ── MODAL CASE STUDY BLOCKS ─────────────────────────────── */
.modal-case {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  border-bottom: 1px solid var(--border);
}
.modal-case-block {
  padding: 1.5rem 2rem;
  border-right: 1px solid var(--border);
}
.modal-case-block:last-child { border-right: none; }
.mcb-heading {
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 0.625rem;
  display: flex; align-items: center; gap: 6px;
}
.mcb-heading svg { width: 13px; height: 13px; stroke: var(--accent); }
.mcb-text { font-size: 0.875rem; line-height: 1.7; }


/* ── MODAL FOOTER ROW ────────────────────────────────────── */
.modal-footer-row {
  padding: 1.375rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.modal-tags { display: flex; gap: 6px; flex-wrap: wrap; }


/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 700px) {
  .modal-details,
  .modal-case { grid-template-columns: 1fr; }

  .modal-detail-block,
  .modal-case-block {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .modal-detail-block:last-child,
  .modal-case-block:last-child { border-bottom: none; }

  .modal-header,
  .comparison-wrap,
  .modal-footer-row { padding-left: 1.25rem; padding-right: 1.25rem; }

  .comparison { height: 240px; }
}