/* ============ Vimana Construction Chemicals ============ */
:root {
  --primary: #2F5AA8;
  --primary-glow: #4C7BD1;
  --accent: #18A85B;
  --accent-glow: #2CC873;
  --charcoal: #1A2238;
  --charcoal-soft: #3C4666;
  --muted: #6B7391;
  --border: #E5E9F2;
  --bg: #ffffff;
  --soft: #F4F7FB;
  --radius: 1rem;
  --gradient-brand: linear-gradient(135deg, #2F5AA8 0%, #3F6BC0 45%, #18A85B 100%);
  --gradient-cta: linear-gradient(135deg, #1E3A78 0%, #2F5AA8 50%, #18A85B 100%);
  --shadow-card: 0 8px 30px -12px rgba(26, 34, 56, .12);
  --shadow-card-hover: 0 24px 60px -20px rgba(26, 34, 56, .22);
  --shadow-elegant: 0 20px 60px -20px rgba(47, 90, 168, .35);
  --shadow-glow: 0 0 60px rgba(76, 123, 209, .45);
  --shadow-accent: 0 20px 50px -20px rgba(24, 168, 91, .45);

}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0
}

html {
  scroll-behavior: smooth;
}
body{
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
}
.vmn-container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.vmn-text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Hero ---------- */
/* =====================================================================
   VIMANA CONSTRUCTION CHEMICALS — PROJECTS SECTION
   Namespace: vmprj-
   Uses only the pre-defined :root variables. No new :root is declared
   here — this file assumes the variables already exist on the page.
   ===================================================================== */

/* ---------------------------------------------------------------------
   1. SECTION SHELL
   --------------------------------------------------------------------- */
.vmprj-section {
  position: relative;
  width: 100%;
  padding: clamp(3.5rem, 6vw, 7rem) 0;
  background: var(--bg);
  overflow: hidden;
}

.vmprj-container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

/* ---------------------------------------------------------------------
   2. HEADER (eyebrow / title / subtitle)
   --------------------------------------------------------------------- */
.vmprj-header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--transition), transform 0.7s var(--transition);
}

.vmprj-header.vmprj-in-view {
  opacity: 1;
  transform: translateY(0);
}

.vmprj-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

.vmprj-eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: 2px;
}

.vmprj-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--charcoal);
  margin: 0 0 1rem 0;
}

.vmprj-subtitle {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  line-height: 1.65;
  color: var(--muted);
  margin: 0;
}

/* ---------------------------------------------------------------------
   3. GRID
   Desktop: 5 cols | Laptop: 4 cols | Tablet: 2 cols | Mobile: 1 col
   --------------------------------------------------------------------- */
.vmprj-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 2vw, 1.75rem);
  width: 100%;
}

/* Laptop */
@media (max-width: 1280px) {
  .vmprj-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Tablet */
@media (max-width: 900px) {
  .vmprj-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile */
@media (max-width: 540px) {
  .vmprj-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------------------------------------------------------------------
   4. CARD
   --------------------------------------------------------------------- */
.vmprj-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--soft);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  transition: transform 0.5s var(--transition), box-shadow 0.5s var(--transition);
  opacity: 0;
  transform: translateY(32px);
  transition: all 0.3s;
}

.vmprj-card.vmprj-in-view {
  opacity: 1;
  transform: translateY(0);
}

.vmprj-card:hover,
.vmprj-card:focus-within {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

/* Staggered reveal delay driven by inline custom property set in JS */
.vmprj-card {
  transition-delay: var(--vmprj-delay, 0s);
}

/* ---------------------------------------------------------------------
   5. IMAGE + OVERLAY
   --------------------------------------------------------------------- */
.vmprj-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--soft);
}

.vmprj-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 0.6s ease, transform 0.7s var(--transition);
}

.vmprj-image.vmprj-loaded {
  opacity: 1;
}

.vmprj-card:hover .vmprj-image,
.vmprj-card:focus-within .vmprj-image {
  transform: scale(1.14);
  transition: all 0.3s;
}

/* Dark premium gradient overlay, strongest at the bottom for text legibility */
.vmprj-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(26, 34, 56, 0.92) 0%,
    rgba(26, 34, 56, 0.55) 32%,
    rgba(26, 34, 56, 0.08) 60%,
    rgba(26, 34, 56, 0.28) 100%
  );
  transition: background 0.5s var(--transition);
  pointer-events: none;
}

.vmprj-card:hover .vmprj-overlay,
.vmprj-card:focus-within .vmprj-overlay {
  background: linear-gradient(
    to top,
    rgba(26, 34, 56, 0.96) 0%,
    rgba(47, 90, 168, 0.55) 45%,
    rgba(24, 168, 91, 0.18) 100%
  );
}

/* Sector badge, top-left, glass effect */
.vmprj-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
  padding: 0.4rem 0.85rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* ---------------------------------------------------------------------
   6. CARD TEXT CONTENT (bottom-left, overlaid on image)
   --------------------------------------------------------------------- */
.vmprj-content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  padding: 1.35rem;
  text-align: left;
}

/* Keep card content available on touch devices; hover/focus still provides
   the enhanced motion treatment on pointer-capable screens. */
.vmprj-card-title,
.vmprj-desc,
.vmprj-btn {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s var(--transition), transform 0.4s var(--transition);
}

.vmprj-card:hover .vmprj-card-title,
.vmprj-card:focus-within .vmprj-card-title {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.3s;
}

.vmprj-card:hover .vmprj-desc,
.vmprj-card:focus-within .vmprj-desc {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.3s;
}

.vmprj-card:hover .vmprj-btn,
.vmprj-card:focus-within .vmprj-btn {
  opacity: 1;
  transform: translateY(0);
}

.vmprj-card-title {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  font-weight: 600;
  line-height: 1.25;
  color: #fff;
  margin: 0 0 0.4rem 0;
}

.vmprj-desc {
  font-size: 0.88rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.82);
  margin: 0 0 1rem 0;
  max-width: 32ch;

  /* Clamp to 2 lines so descriptions stay tidy on smaller cards */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------------------------------------------------------------------
   7. BUTTON
   --------------------------------------------------------------------- */
.vmprj-btn {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--charcoal);
  text-decoration: none;
  background: #fff;
  border-radius: 999px;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.4s var(--transition), transform 0.3s var(--transition), box-shadow 0.4s var(--transition);
}

.vmprj-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--gradient-cta);
  opacity: 0;
  transition: opacity 0.4s var(--transition);
}

.vmprj-btn:hover,
.vmprj-btn:focus-visible {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

.vmprj-btn:hover::before,
.vmprj-btn:focus-visible::before {
  opacity: 1;
}

.vmprj-btn-icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  transition: transform 0.35s var(--transition);
}

.vmprj-btn:hover .vmprj-btn-icon,
.vmprj-btn:focus-visible .vmprj-btn-icon {
  transform: translateX(4px);
}

/* ---------------------------------------------------------------------
   8. ACCESSIBILITY — visible focus states
   --------------------------------------------------------------------- */
.vmprj-btn:focus-visible {
  outline: 2px solid var(--accent-glow);
  outline-offset: 3px;
}

.vmprj-card:focus-within {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------------
   9. MOTION PREFERENCES
   --------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .vmprj-header,
  .vmprj-card,
  .vmprj-image,
  .vmprj-overlay,
  .vmprj-card-title,
  .vmprj-desc,
  .vmprj-btn,
  .vmprj-btn-icon {
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
    animation-duration: 0.01ms !important;
  }

  .vmprj-header,
  .vmprj-card {
    opacity: 1;
    transform: none;
  }

  .vmprj-card:hover .vmprj-image,
  .vmprj-card:focus-within .vmprj-image {
    transform: none;
  }
}