/* ============================================================
   GreenVAC — Home Template
   Hero slider, MVV, stat bar, products/projects/news grids.
   Enqueued only on the front page.
   ============================================================ */

/* ══════════════════════════════════════════════
   HERO SLIDER
══════════════════════════════════════════════ */
#hero {
  position: relative;
  height: 92vh;
  min-height: 600px;
  max-height: 900px;
  overflow: hidden;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .9s var(--ease-in-out);
}
.slide.active { opacity: 1; z-index: 1; }

.slide-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.06);
  transition: transform 6s ease-out;
}
.slide.active .slide-img { transform: scale(1); }

/* Dark overlay */
.slide-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(6,18,9,.82) 0%,
    rgba(13,33,22,.65) 40%,
    rgba(26,61,107,.45) 100%
  );
}

/* Green color treatment */
.slide-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(27,82,48,.35) 0%, transparent 65%);
}

.slide-content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 8vw;
  max-width: 900px;
}

.slide-tag {
  font-family: var(--font-ui);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--g-400);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s .3s, transform .5s .3s var(--ease-out);
}
.slide-tag::before {
  content: '';
  width: 3rem;
  height: 1px;
  background: var(--g-400);
}
.slide.active .slide-tag {
  opacity: 1;
  transform: translateY(0);
}

.slide h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s .45s, transform .6s .45s var(--ease-out);
}
.slide.active h1 { opacity: 1; transform: translateY(0); }

.slide h1 em {
  font-style: italic;
  color: var(--g-400);
}

.slide p {
  font-size: clamp(.95rem, 1.4vw, 1.15rem);
  color: rgba(255,255,255,.78);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s .6s, transform .6s .6s var(--ease-out);
}
.slide.active p { opacity: 1; transform: translateY(0); }

.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  background: var(--g-600);
  color: #fff;
  padding: .85rem 2rem;
  font-family: var(--font-ui);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 6px;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s .75s, transform .5s .75s var(--ease-out), background .25s, box-shadow .25s;
}
.slide.active .btn-hero { opacity: 1; transform: translateY(0); }

.btn-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--g-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease-out);
  z-index: 0;
}
.btn-hero:hover::before { transform: scaleX(1); }
.btn-hero:hover {
  box-shadow: 0 8px 24px rgba(61,175,110,.35);
}
.btn-hero span, .btn-hero svg { position: relative; z-index: 1; }
.btn-hero:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

/* Hero controls */
.hero-dots {
  position: absolute;
  bottom: 2.5rem;
  left: 8vw;
  z-index: 10;
  display: flex;
  gap: .6rem;
}
.hero-dot {
  width: 2.5rem;
  height: 2px;
  background: rgba(255,255,255,.3);
  cursor: pointer;
  transition: background .3s, width .3s;
  position: relative;
  overflow: hidden;
}
.hero-dot::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0;
  background: var(--g-400);
  transition: width 3s linear;
}
.hero-dot.active {
  background: rgba(255,255,255,.4);
}
.hero-dot.active::after { width: 100%; }

.hero-arrows {
  position: absolute;
  bottom: 2.2rem;
  right: 4rem;
  z-index: 10;
  display: flex;
  gap: .5rem;
}
.hero-arrow {
  width: 2.8rem;
  height: 2.8rem;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  transition: background .2s, border-color .2s;
  background: rgba(255,255,255,.05);
  backdrop-filter: blur(4px);
}
.hero-arrow:hover {
  background: var(--g-600);
  border-color: var(--g-600);
}
.hero-arrow:focus-visible,
.hero-dot:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .35rem;
  color: rgba(255,255,255,.5);
  font-family: var(--font-ui);
  font-size: .65rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.hero-scroll span { animation: scrollBob 1.8s ease-in-out infinite; }
@keyframes scrollBob {
  0%,100% { transform: translateY(0); opacity: .5; }
  50% { transform: translateY(5px); opacity: 1; }
}

/* ══════════════════════════════════════════════
   MISSION / VISION / VALUES
══════════════════════════════════════════════ */
#mvv {
  padding: 7rem 0;
  background: var(--light);
}

.mvv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.mvv-card {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  height: 480px;
  cursor: pointer;
}

.mvv-card-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform .6s var(--ease-out);
}
.mvv-card:hover .mvv-card-img { transform: scale(1.06); }

.mvv-card-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,18,9,.9) 0%, rgba(13,33,22,.5) 50%, rgba(27,82,48,.2) 100%);
  transition: opacity .4s;
}
.mvv-card:hover .mvv-card-img::before {
  background: linear-gradient(to top, rgba(6,18,9,.95) 0%, rgba(13,33,22,.65) 60%, rgba(27,82,48,.35) 100%);
}

.mvv-card-body {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2.5rem 2rem;
}

.mvv-num {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  color: rgba(255,255,255,.06);
  line-height: 1;
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  letter-spacing: -0.05em;
}

.mvv-icon {
  width: 3rem;
  height: 3rem;
  border: 1px solid rgba(61,175,110,.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--g-400);
  margin-bottom: 1rem;
  transition: background .3s, border-color .3s;
}
.mvv-card:hover .mvv-icon {
  background: var(--g-600);
  border-color: var(--g-600);
}

.mvv-label {
  font-family: var(--font-ui);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--g-400);
  margin-bottom: .5rem;
}

.mvv-card h3 {
  font-family: var(--font-display);
  font-size: 1.9rem;
  color: #fff;
  margin-bottom: .85rem;
  letter-spacing: -0.02em;
}

.mvv-card p {
  font-size: .87rem;
  color: rgba(255,255,255,.7);
  line-height: 1.65;
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s var(--ease-out), opacity .4s;
  opacity: 0;
}
.mvv-card:hover p {
  max-height: 8rem;
  opacity: 1;
}

.mvv-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: var(--g-400);
  font-family: var(--font-ui);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
  margin-top: 1.25rem;
  padding-bottom: .2rem;
  border-bottom: 1px solid rgba(61,175,110,.35);
  opacity: 0;
  transform: translateY(8px);
  transition: max-height .4s, opacity .35s .1s, transform .35s .1s var(--ease-out), gap .2s, border-color .2s;
}
.mvv-card:hover .mvv-link {
  opacity: 1;
  transform: translateY(0);
}
.mvv-link:hover {
  gap: .75rem;
  border-color: var(--g-400);
}

/* ══════════════════════════════════════════════
   DIVIDER STAT BAR
══════════════════════════════════════════════ */
#stat-bar {
  background: var(--g-800);
  padding: 3.5rem 0;
  position: relative;
  overflow: hidden;
}
#stat-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(61,175,110,.12) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(26,61,107,.2) 0%, transparent 60%);
}
.stat-item { text-align: center; position: relative; }
.stat-item + .stat-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10%;
  height: 80%;
  width: 1px;
  background: rgba(255,255,255,.1);
}
.stat-num {
  font-family: var(--font-display);
  font-size: 3.25rem;
  font-weight: 700;
  color: var(--g-400);
  line-height: 1;
  letter-spacing: -0.04em;
}
.stat-unit {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--g-500);
}
.stat-label {
  font-family: var(--font-ui);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  margin-top: .4rem;
}

/* ══════════════════════════════════════════════
   PRODUCTS
══════════════════════════════════════════════ */
#products {
  padding: 7rem 0;
  background: #fff;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 3.5rem;
}

.product-card {
  position: relative;
  border: 1px solid rgba(27,82,48,.08);
  overflow: hidden;
  border-radius: 12px;
  background: #fff;
  transition: transform .35s var(--ease-out), box-shadow .35s;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-elevated);
}

.product-img {
  position: relative;
  height: 260px;
  overflow: hidden;
}
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease-out);
  display: block;
}
.product-card:hover .product-img img { transform: scale(1.08); }

.product-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(13,33,22,.6) 100%);
}

.product-tag-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--g-700);
  color: #fff;
  font-family: var(--font-ui);
  font-size: .65rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .3rem .75rem;
  font-weight: 600;
}

.product-body {
  padding: 1.75rem 1.75rem 1.5rem;
}

.product-body h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--g-800);
  margin-bottom: .65rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
  text-decoration: none;
  display: block;
  transition: color .2s;
}
.product-body h3:hover { color: var(--g-600); }

.product-body p {
  font-size: .87rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-family: var(--font-ui);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--g-600);
  text-decoration: none;
  padding-bottom: .2rem;
  border-bottom: 1px solid var(--g-300);
  transition: gap .2s, border-color .2s, color .2s;
}
.product-link:hover {
  gap: .75rem;
  border-color: var(--g-600);
}

/* ══════════════════════════════════════════════
   PROJECTS
══════════════════════════════════════════════ */
#projects {
  padding: 7rem 0;
  background: var(--g-900);
  position: relative;
  overflow: hidden;
}
#projects::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(27,82,48,.2) 0%, transparent 50%),
              radial-gradient(ellipse at 20% 80%, rgba(26,61,107,.15) 0%, transparent 50%);
}

#projects .section-eyebrow { color: var(--g-400); }
#projects .section-eyebrow::before { background: var(--g-500); }
#projects .section-title { color: #fff; }
#projects .section-title span { color: var(--g-400); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 1rem;
  margin-top: 3.5rem;
}

.project-item {
  position: relative;
  height: 280px;
  perspective: 1000px;
  cursor: pointer;
  border-radius: 12px;
}
.project-item:nth-child(1) { grid-row: span 2; height: auto; min-height: 580px; }

.project-flip {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transition: transform .6s var(--ease-out);
}
.project-item:hover .project-flip,
.project-item:focus-within .project-flip { transform: rotateY(180deg); }

.project-front, .project-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 12px;
}

/* Explicit click-routing instead of relying on 3D backface hit-testing,
   which some browsers apply inconsistently at smaller element sizes —
   without this, clicks on the flipped-to back face can still land on
   the (invisible) front face and silently do nothing. */
.project-back { pointer-events: none; }
.project-item:hover .project-back,
.project-item:focus-within .project-back { pointer-events: auto; }
.project-item:hover .project-front,
.project-item:focus-within .project-front { pointer-events: none; }

.project-front {
  overflow: hidden;
}

.project-front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.project-front::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,18,9,.8) 0%, transparent 60%);
}

.project-front-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  padding: 1.25rem 1.25rem 1rem;
}
.project-front-label h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.project-front-label span {
  font-family: var(--font-ui);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--g-400);
}

.project-back {
  transform: rotateY(180deg);
  background: var(--g-700);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem 1.75rem;
}
.project-back h4 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: .75rem;
  letter-spacing: -0.02em;
}
.project-back p {
  font-size: .83rem;
  color: rgba(255,255,255,.75);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}
.project-back .project-meta {
  font-family: var(--font-ui);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--g-400);
  margin-bottom: .3rem;
}
.project-detail-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: var(--g-400);
  font-family: var(--font-ui);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
  margin-top: 1rem;
  border-bottom: 1px solid rgba(61,175,110,.35);
  padding-bottom: .2rem;
  transition: gap .2s, border-color .2s;
  align-self: flex-start;
}
.project-detail-link:hover {
  gap: .75rem;
  border-color: var(--g-400);
}

/* ══════════════════════════════════════════════
   NEWS & VIDEOS
══════════════════════════════════════════════ */
#news {
  padding: 7rem 0;
  background: var(--light);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
  align-items: stretch;
}

.news-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(27,82,48,.07);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  transition: transform .3s var(--ease-out), box-shadow .3s;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.news-img {
  position: relative;
  overflow: hidden;
  height: 220px;
}

.news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s var(--ease-out);
}
.news-card:hover .news-img img { transform: scale(1.06); }

.news-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,33,22,.5) 0%, transparent 60%);
  opacity: 0;
  transition: opacity .3s;
}
.news-card:hover .news-img-overlay { opacity: 1; }

.video-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 3.5rem;
  height: 3.5rem;
  background: rgba(255,255,255,.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--g-700);
  transition: transform .3s var(--ease-spring), background .2s;
}
.news-card:hover .video-badge {
  transform: translate(-50%,-50%) scale(1.12);
  background: var(--g-500);
  color: #fff;
}

.news-cat {
  font-family: var(--font-ui);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--g-600);
  margin-bottom: .5rem;
}

.news-body {
  padding: 1.5rem 1.5rem 1.35rem;
  flex: 1;
}

.news-body h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--g-800);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: .6rem;
  transition: color .2s;
}
.news-card:hover .news-body h3 { color: var(--g-600); }

.news-body p {
  font-size: .84rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: .9rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .85rem 1.5rem;
  border-top: 1px solid rgba(27,82,48,.06);
}

.news-date {
  font-family: var(--font-ui);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--text-muted);
}

.news-read-more {
  font-family: var(--font-ui);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--g-600);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: .35rem;
  transition: gap .2s, color .2s;
}
.news-read-more:hover { gap: .6rem; }

/* ══════════════════════════════════════════════
   RESPONSIVE (home template)
══════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .mvv-grid { grid-template-columns: 1fr 1fr; }
  .mvv-card:last-child { grid-column: span 2; height: 320px; }
}

@media (max-width: 900px) {
  .products-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .project-item:nth-child(1) { min-height: 340px; }
  .news-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .mvv-grid { grid-template-columns: 1fr; }
  .mvv-card { height: 360px; }
  .mvv-card:last-child { grid-column: span 1; height: 360px; }
  .products-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-item:nth-child(1) { min-height: 300px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .stat-item:nth-child(3) .stat-item::before { display: none; }
}