/* ABQ Asphalt — Interactive Components
   Calculator · Lightbox · Gallery filters · Sticky mobile CTA · YouTube facade · Toasts. */

/* ============================================================
   COST CALCULATOR
   ============================================================ */
.calculator {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-900) 100%);
  color: var(--color-text-on-primary);
  border-radius: var(--radius-lg);
  padding: var(--sp-7) var(--sp-6);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.calculator::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px circle at 100% 0%, rgba(224, 138, 43, 0.18), transparent 50%),
    radial-gradient(600px circle at 0% 100%, rgba(224, 138, 43, 0.08), transparent 50%);
  pointer-events: none;
}
.calculator > * { position: relative; }

.calculator h2, .calculator h3 { color: var(--color-text-on-primary); }
.calculator .eyebrow { color: var(--color-accent); }
.calc-grid {
  display: grid;
  gap: var(--sp-6);
  grid-template-columns: 1fr;
  align-items: end;
}
@media (min-width: 768px) {
  .calc-grid { grid-template-columns: 1fr 1fr 1fr; gap: var(--sp-5); align-items: end; }
}

.calc-field { display: flex; flex-direction: column; gap: 6px; }
.calc-field label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: rgba(245, 241, 234, 0.85);
  letter-spacing: 0.02em;
}
.calc-field input,
.calc-field select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid rgba(245, 241, 234, 0.2);
  border-radius: var(--radius-sm);
  background: rgba(8, 26, 45, 0.4);
  color: var(--color-text-on-primary);
  font-size: var(--fs-md);
  font-variant-numeric: tabular-nums;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.calc-field input:focus,
.calc-field select:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(8, 26, 45, 0.7);
}
.calc-field input::placeholder { color: rgba(245, 241, 234, 0.4); }

.calc-output {
  margin-top: var(--sp-6);
  padding: var(--sp-5) var(--sp-6);
  background: rgba(8, 26, 45, 0.5);
  border: 1px solid rgba(245, 241, 234, 0.12);
  border-radius: var(--radius-md);
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .calc-output { grid-template-columns: auto 1fr; gap: var(--sp-6); align-items: center; }
}
.calc-output .calc-range {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-accent);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.calc-output .calc-range .sep { color: rgba(245, 241, 234, 0.4); margin: 0 4px; font-weight: 500; }
.calc-output .calc-detail { font-size: var(--fs-sm); color: rgba(245, 241, 234, 0.78); line-height: 1.5; margin: 0; }
.calc-output .calc-detail strong { color: var(--color-text-on-primary); }
.calc-sqft-display {
  font-size: var(--fs-sm);
  color: rgba(245, 241, 234, 0.7);
  margin-top: var(--sp-3);
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.calc-cta {
  margin-top: var(--sp-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  justify-content: center;
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(8, 26, 45, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-5);
  animation: lb-fade 200ms var(--ease);
}
@keyframes lb-fade { from { opacity: 0; } to { opacity: 1; } }
.lightbox[hidden] { display: none; }

.lightbox .lb-stage {
  margin: 0;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  position: relative;
}
.lightbox .lb-img {
  max-width: 100%;
  max-height: 78vh;
  width: auto;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  background: var(--color-bg-alt);
}
.lightbox .lb-caption {
  color: rgba(245, 241, 234, 0.88);
  font-size: var(--fs-md);
  text-align: center;
  max-width: 60ch;
}
.lightbox .lb-counter {
  position: absolute;
  bottom: -36px;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--fs-sm);
  color: rgba(245, 241, 234, 0.6);
  font-variant-numeric: tabular-nums;
}
.lightbox .lb-close,
.lightbox .lb-prev,
.lightbox .lb-next {
  position: absolute;
  border: 0;
  background: rgba(8, 26, 45, 0.6);
  color: var(--color-text-on-primary);
  width: 50px; height: 50px;
  border-radius: 50%;
  font-size: 28px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
  z-index: 1;
}
.lightbox .lb-close:hover,
.lightbox .lb-prev:hover,
.lightbox .lb-next:hover { background: var(--color-accent); color: var(--color-primary-900); transform: scale(1.1); }
.lightbox .lb-close { top: var(--sp-5); right: var(--sp-5); }
.lightbox .lb-prev  { left: var(--sp-5); top: 50%; transform: translateY(-50%); }
.lightbox .lb-next  { right: var(--sp-5); top: 50%; transform: translateY(-50%); }
.lightbox .lb-prev:hover { transform: translateY(-50%) scale(1.1); }
.lightbox .lb-next:hover { transform: translateY(-50%) scale(1.1); }

@media (max-width: 640px) {
  .lightbox .lb-close { top: var(--sp-3); right: var(--sp-3); width: 44px; height: 44px; }
  .lightbox .lb-prev  { left: var(--sp-3); width: 44px; height: 44px; }
  .lightbox .lb-next  { right: var(--sp-3); width: 44px; height: 44px; }
}

/* Lightbox trigger cards */
.lb-trigger {
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  cursor: zoom-in;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.lb-trigger:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.lb-trigger img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  transition: transform var(--dur-slow) var(--ease);
}
.lb-trigger:hover img { transform: scale(1.04); }
.lb-trigger .lb-meta {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--sp-3) var(--sp-4);
  background: linear-gradient(to top, rgba(8, 26, 45, 0.85) 0%, transparent 100%);
  color: var(--color-text-on-primary);
  font-size: var(--fs-sm);
  font-weight: 500;
  transform: translateY(100%);
  transition: transform var(--dur) var(--ease);
}
.lb-trigger:hover .lb-meta,
.lb-trigger:focus .lb-meta { transform: translateY(0); }

/* ============================================================
   GALLERY FILTER BAR
   ============================================================ */
.gallery-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  justify-content: center;
  margin-bottom: var(--sp-6);
}
.gallery-filter button {
  padding: 8px 18px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--fs-sm);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.gallery-filter button:hover { border-color: var(--color-primary); }
.gallery-filter button.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-on-primary);
}

.gallery-grid {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .gallery-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .gallery-grid { grid-template-columns: 1fr 1fr 1fr; } }

/* ============================================================
   STICKY MOBILE BOTTOM CTA
   ============================================================ */
.mobile-sticky-cta {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 90;
  background: var(--color-primary-900);
  border-top: 2px solid var(--color-accent);
  padding: var(--sp-3);
  display: flex;
  gap: var(--sp-2);
  transform: translateY(110%);
  transition: transform 280ms var(--ease);
  box-shadow: 0 -10px 30px rgba(8, 26, 45, 0.4);
}
.mobile-sticky-cta.is-visible { transform: translateY(0); }
.mobile-sticky-cta .btn { flex: 1; min-height: 50px; padding: 12px 16px; font-size: var(--fs-md); }
@media (min-width: 768px) { .mobile-sticky-cta { display: none; } }

/* Add bottom padding to body when sticky CTA could show, so it doesn't cover content */
@media (max-width: 767px) {
  body { padding-bottom: 72px; }
}

/* ============================================================
   YOUTUBE FACADE
   ============================================================ */
.yt-facade {
  position: relative;
  aspect-ratio: 16 / 9;
  width: 100%;
  background: var(--color-primary-900);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  display: block;
  border: 0;
  padding: 0;
}
.yt-facade .yt-facade-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.92);
  transition: filter var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.yt-facade:hover .yt-facade-img { filter: brightness(0.78); transform: scale(1.02); }

.yt-facade .yt-facade-play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  width: 88px; height: 60px;
  transition: transform var(--dur) var(--ease);
}
.yt-facade .yt-facade-play svg { width: 100%; height: 100%; filter: drop-shadow(0 4px 16px rgba(0,0,0,0.4)); }
.yt-facade:hover .yt-facade-play { transform: translate(-50%, -50%) scale(1.08); }
.yt-facade.is-playing { cursor: default; }
.yt-facade iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ============================================================
   ANIMATED COUNTERS (visual stability)
   ============================================================ */
[data-counter] {
  font-variant-numeric: tabular-nums;
  display: inline-block;
  min-width: 0;
}

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */
.toast-stack {
  position: fixed;
  bottom: var(--sp-5);
  right: var(--sp-5);
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  pointer-events: none;
}
.toast {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-accent);
  max-width: 320px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  pointer-events: auto;
}
.toast.is-in { opacity: 1; transform: translateY(0); }
.toast--success { border-left-color: var(--color-trust); }
.toast--error   { border-left-color: var(--color-danger); }

/* ============================================================
   HERO PARALLAX
   ============================================================ */
.hero {
  --hero-y: 0px;
}
.hero::before {
  transform: translateY(var(--hero-y));
  will-change: transform;
}