:root {
  --bg: #071226;
  --card: #07192a;
  --muted: #9fb0c1;
  --accent-heritage: #c76c20;
  --accent-dev: #0ea5a4;
  --glass: rgba(255, 255, 255, 0.03);
  --radius: 12px;
  --maxwidth: 1200px;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  color-scheme: dark;
}

/* Reset & basics */
* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
  margin: 0;
  overflow-x: hidden;
}

#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: transparent;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}

/* NAVBAR FIX:
   Prevent header overlap by adding top padding equal to header height.
   Adjust if header height changes.
*/
body {
  padding-top: 80px; /* header height + small buffer */
}

/* Layout container and header */
.container {
  max-width: var(--maxwidth);
  margin: 0 auto;
  padding: 24px;
}
header {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 100;
  background: linear-gradient(
    180deg,
    rgba(2, 6, 23, 0.8),
    rgba(2, 6, 23, 0.45)
  );
  backdrop-filter: blur(6px);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  /* background: linear-gradient(
    135deg,
    var(--accent-heritage),
    var(--accent-dev)
  ); */
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}
nav {
  display: flex;
  gap: 12px;
}
nav a {
  padding: 8px 10px;
  border-radius: 8px;
  font-weight: 600;
  color: var(--muted);
}
nav a:hover {
  background: var(--glass);
  color: #fff;
}

/* main & cards */
main {
  padding-bottom: 64px;
  min-height: calc(100vh - 160px);
}
.card {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.02),
    rgba(255, 255, 255, 0.01)
  );
  padding: 22px;
  border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(2, 6, 23, 0.7);
}

/* HERO area */
.hero-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
}
.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
} /* canvas drawn behind content; drawing uses global mouse coords */
.hero {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
  min-height: 68vh;
  padding: 28px;
}
.hero .intro h1 {
  font-size: 32px;
  margin: 0 0 8px;
}
.lead {
  color: var(--muted);
  margin: 0 0 12px;
}

/* split visual */
.split {
  position: relative;
  height: 360px;
  border-radius: 10px;
  overflow: hidden;
  display: flex;
}
.split .half {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 14px;
}
.split img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.6);
}

/* CTAs */
.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 10px;
  font-weight: 700;
  border: none;
  cursor: pointer;
}
.btn-heritage {
  background: linear-gradient(90deg, var(--accent-heritage), #f6a15c);
  color: #08111a;
}
.btn-dev {
  background: linear-gradient(90deg, var(--accent-dev), #7be6dd);
  color: #041213;
}

/* Impact stats (replacement for quick preview) */
.impact-stats {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  padding: 18px;
  border-radius: 12px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.01),
    rgba(255, 255, 255, 0.005)
  );
  box-shadow: 0 8px 30px rgba(2, 6, 23, 0.55);
}
.stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}
.stat .num {
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  color: #fff;
}
.stat .label {
  color: var(--muted);
  font-size: 13px;
}
.stat .caption {
  color: var(--muted);
  font-size: 12px;
  margin-top: 6px;
}

/* Gallery grid */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.gallery img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 10px;
  cursor: pointer;
  display: block;
  transform-origin: center center;
}

/* Timeline and progress */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.timeline-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-dev);
  flex-shrink: 0;
  margin-top: 8px;
}
.timeline-card {
  background: var(--card);
  padding: 12px;
  border-radius: 10px;
  flex: 1;
}
.progress-wrap {
  height: 6px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 6px;
  margin-top: 14px;
  overflow: hidden;
}
.progress {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-heritage), var(--accent-dev));
}

/* Flip cards */
.flip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.flip-card {
  perspective: 1000px;
}
.flip-inner {
  position: relative;
  width: 100%;
  height: 220px;
  transition: transform 0.7s;
  transform-style: preserve-3d;
  border-radius: 12px;
}
.flip-inner .front,
.flip-inner .back {
  position: absolute;
  inset: 0;
  border-radius: 12px;
  backface-visibility: hidden;
  padding: 18px;
}
.flip-inner .front {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
}
.flip-inner .back {
  transform: rotateY(180deg);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.25), transparent);
  color: var(--muted);
}

/* modal */
.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6));
  z-index: 200;
}
.modal .inner {
  width: 92%;
  max-width: 920px;
  background: #041226;
  padding: 16px;
  border-radius: 12px;
}

/* form */
form input,
form textarea {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: none;
  background: rgba(255, 255, 255, 0.02);
  color: inherit;
}
.form-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* footer (professional) */
footer {
  padding: 18px 20px;
  color: var(--muted);
  text-align: center;
  font-size: 13px;
}

/* small screens */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 18px;
  }
  .gallery {
    grid-template-columns: repeat(2, 1fr);
  }
  .flip-grid {
    grid-template-columns: 1fr;
  }
  .split img {
    height: 160px;
  }
  .impact-stats {
    flex-direction: column;
    align-items: stretch;
  }
  .stat {
    align-items: flex-start;
  }
}

/* small aesthetic fix so hero content always reads over canvas */
.hero .intro,
.split,
.card {
  position: relative;
  z-index: 2;
}

/* Themed select dropdown */
.timeline select {
  background: rgba(7, 18, 38, 0.85); /* matches your dark gradient theme */
  color: #e6f2fb;
  border: 1px solid rgba(246, 161, 92, 0.4); /* heritage accent */
  border-radius: 6px;
  padding: 8px 36px 8px 12px;
  font-size: 1rem;
  font-family: inherit;
  appearance: none; /* hide native arrow */
  -webkit-appearance: none;
  -moz-appearance: none;
  cursor: pointer;
  position: relative;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.timeline select:hover {
  border-color: rgba(246, 161, 92, 0.8);
  box-shadow: 0 0 6px rgba(246, 161, 92, 0.3);
}

/* Custom caret */
.timeline select::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 50%;
  width: 0;
  height: 0;
  pointer-events: none;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid #f6a15c; /* heritage accent */
  transform: translateY(-50%);
}

/* For browsers without ::after support on select, wrap in a container */
.timeline .select-wrapper {
  position: relative;
  display: inline-block;
}
.timeline .select-wrapper::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 50%;
  width: 0;
  height: 0;
  pointer-events: none;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid #f6a15c;
  transform: translateY(-50%);
}
/* ==== Vikas page extras ==== */

/* Timeline vertical line */
.vb-timeline-line {
  position: absolute;
  left: 8px;
  top: 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(
    180deg,
    var(--accent-heritage),
    var(--accent-dev)
  );
  transform-origin: top;
  transform: scaleY(0);
  border-radius: 3px;
  z-index: 0;
}

.timeline {
  position: relative;
}

.timeline .timeline-card {
  position: relative;
  z-index: 2;
}

.timeline .dot {
  position: relative;
  z-index: 3;
}

/* Year badge in timeline */
.milestone-year {
  transform-origin: center;
  display: inline-block;
}

/* Carousel behaviour */
.carousel {
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}

.carousel img {
  cursor: grab;
  user-select: none;
  -webkit-user-drag: none;
}

.carousel:active img {
  cursor: grabbing;
}

/* Optional: smaller devices timeline spacing */
@media (max-width: 768px) {
  .vb-timeline-line {
    left: 5px;
  }
}

.progress-gallery {
  overflow: hidden;
  position: relative;
  width: 100%;
}

.carousel-track {
  display: flex;
  gap: 16px;
  align-items: center;
}

.carousel-track img {
  flex: 0 0 auto;
  width: 280px;
  height: 180px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.snapshots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.snapshots img {
  width: 100%;
  height: 140px; /* fixed height for uniformity */
  object-fit: cover;
  border-radius: 8px;
}

/* =========================================
   RESPONSIVE FIXES (mobile & tablet)
   ========================================= */

/* Header & nav */
header {
  flex-wrap: wrap;
  justify-content: space-between;
  padding: 10px;
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}
nav a {
  font-size: 14px;
  padding: 6px 8px;
}

/* Containers */
.container {
  padding: 12px;
}

/* Flip card grids (Heritage, Harmony, etc.) */
.flip-grid,
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

/* Before/After slider (Vikas page) */
.ba img {
  height: auto;
  max-height: 260px;
  object-fit: cover;
}

/* Impact stats collapse */
@media (max-width: 900px) {
  .impact-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}
@media (max-width: 520px) {
  .impact-stats {
    grid-template-columns: 1fr;
  }
}

/* Snapshots gallery (Home) */
.snapshots {
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 520px) {
  .snapshots {
    grid-template-columns: 1fr;
  }
}

/* Forms (Heritage & Involve pages) */
form input,
form textarea,
form select,
form button {
  width: 100%;
  font-size: 15px;
}
.form-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch !important;
  gap: 8px;
}

/* Cards & sections */
.card {
  padding: 14px;
}

/* Footer text smaller on mobile */
footer {
  font-size: 14px;
  text-align: center;
}

/* ============================
   Mobile nav toggle (hamburger)
   ============================ */

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--accent, #fff);
  cursor: pointer;
  margin-left: auto;
}

/* Default: nav visible on desktop */
nav {
  display: flex;
  gap: 14px;
}

/* Mobile: hide nav until toggled */
@media (max-width: 760px) {
  .nav-toggle {
    display: block;
  }
  nav {
    display: none;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.85);
    padding: 10px;
    border-radius: 8px;
    margin-top: 10px;
  }
  nav.open {
    display: flex;
  }
  nav a {
    padding: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  nav a:last-child {
    border-bottom: none;
  }
}

/* 
   Harmony Section
   ====================== */

/* Make .parallax behave like other cards */
.parallax {
  background-image: linear-gradient(
      180deg,
      rgba(2, 10, 20, 0.6),
      rgba(2, 10, 20, 0.7)
    ),
    url("https://images.unsplash.com/photo-1491557345352-5929e343eb89?q=80&w=1400&auto=format&fit=crop&ixlib=rb-4.0.3&s=parallax");
  background-size: cover;
  background-attachment: fixed;
  border-radius: 12px;

  /* match section sizing */
  width: 100%;
  max-width: var(--maxwidth); /* consistent with .container */
  margin: 0 auto;
  padding: 40px;
}

/* Flip-grid stays neat */
.flip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

/* Flip cards sizing */
.flip-card {
  perspective: 1000px;
  min-height: 200px;
}
.flip-card .front,
.flip-card .back {
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Badges row cleanup */
.badges {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}