/* ════════════════════════════════════════════
   loading.css : editorial dark loader (obys-inspired)

   Layout : top brand/status, center masked display, bottom tagline+progress / counter.
   Exit   : clip-path inset 50% (split apart from horizontal midline)
            + content fade.
   ════════════════════════════════════════════ */

#fw-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-dark);
  color: var(--text-on-dark);
  overflow: hidden;
  clip-path: inset(0% 0% 0% 0%);
  transition: clip-path 0.95s cubic-bezier(0.76, 0, 0.24, 1);
}
#fw-loader.is-exit {
  clip-path: inset(50% 0% 50% 0%);
}

.fw-loader-shell {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 32px 40px;
  gap: 24px;
  transition: opacity 0.4s ease;
}
#fw-loader.is-exit .fw-loader-shell { opacity: 0; }

/* ── decorative split line at the midpoint, drawn just before split ── */
#fw-loader::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  top: 50%;
  height: 1px;
  background: rgba(244, 239, 230, 0.22);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.55s var(--ease-out-expo);
  pointer-events: none;
}
#fw-loader.is-exit::after { transform: scaleX(1); }

/* ════════════ TOP ROW ════════════ */
.fw-loader-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-on-dark-3);
  opacity: 0;
  animation: loaderFadeIn 0.7s 0.05s var(--ease-out-expo) forwards;
}
.fw-loader-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.fw-loader-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  border: 1px solid var(--text-on-dark);
  border-radius: 6px;
  color: var(--text-on-dark);
  font-size: 10px;
}
.fw-loader-brand-text { color: var(--text-on-dark-2); }

.fw-loader-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-on-dark-2);
}
.fw-loader-status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--success);
  animation: breathe 2.4s ease-in-out infinite;
}

/* ════════════ MASKED DISPLAY ════════════ */
.fw-loader-display {
  align-self: center;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(96px, 22vw, 340px);
  line-height: 0.9;
  letter-spacing: -0.045em;
  color: var(--text-on-dark);
}
.fw-loader-line {
  display: block;
  overflow: hidden;
  line-height: 0.95;
}
.fw-loader-line-inner {
  display: block;
  transform: translateY(105%);
  will-change: transform;
  animation: loaderLineUp 1s var(--ease-out-expo) forwards;
}
.fw-loader-line:nth-child(1) .fw-loader-line-inner { animation-delay: 0.18s; }
.fw-loader-line:nth-child(2) .fw-loader-line-inner { animation-delay: 0.32s; }
.fw-loader-line em {
  font-style: italic;
  font-weight: 400;
  color: var(--text-on-dark-2);
}

/* ════════════ BOTTOM ROW ════════════ */
.fw-loader-bottom {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  opacity: 0;
  animation: loaderFadeIn 0.7s 0.42s var(--ease-out-expo) forwards;
}
.fw-loader-bottom-l {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
  min-width: 0;
  max-width: 480px;
}
.fw-loader-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-on-dark-3);
}
.fw-loader-progress {
  position: relative;
  width: 100%;
  height: 1px;
  background: var(--border-on-dark);
  overflow: hidden;
}
.fw-loader-progress-bar {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  background: var(--text-on-dark);
}

.fw-loader-counter {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
  line-height: 1;
  color: var(--text-on-dark);
}
.fw-loader-num {
  font-size: clamp(56px, 8vw, 96px);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text-on-dark);
}
.fw-loader-num-sep,
.fw-loader-num-total {
  font-size: clamp(20px, 2.4vw, 28px);
  color: var(--text-on-dark-3);
  font-weight: 600;
}

/* ════════════ KEYFRAMES ════════════ */
@keyframes loaderLineUp {
  to { transform: translateY(0); }
}
@keyframes loaderFadeIn {
  to { opacity: 1; }
}

/* ════════════ RESPONSIVE ════════════ */
@media (max-width: 640px) {
  .fw-loader-shell {
    padding: 22px 18px;
    gap: 18px;
  }
  .fw-loader-brand-text { display: none; }
  .fw-loader-display {
    font-size: clamp(64px, 26vw, 200px);
  }
  .fw-loader-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .fw-loader-bottom-l {
    max-width: none;
    width: 100%;
  }
  .fw-loader-num { font-size: clamp(44px, 14vw, 80px); }
}

/* ════════════ REDUCED MOTION ════════════ */
@media (prefers-reduced-motion: reduce) {
  .fw-loader-line-inner { animation: none; transform: translateY(0); }
  .fw-loader-top,
  .fw-loader-bottom { animation: none; opacity: 1; }
}