:root {
  --primary: #d9efff;
  --primary-deep: #1f6fa8;
  --primary-dark: #0f4d78;
  --secondary: #e7f7ea;
  --accent: #6ed39b;
  --text: #1e293b;
  --muted: #5b6b7b;
  --white: #ffffff;
  --border: #d8e2eb;
  --shadow: 0 10px 28px rgba(31, 111, 168, 0.12);
  --shadow-deep: 0 18px 48px rgba(15, 63, 97, 0.16);
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans Devanagari", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f8fcff 0%, #ffffff 45%, #f5fcf6 100%);
  line-height: 1.65;
  position: relative;
}

body::before,
body::after {
  content: "";
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  filter: blur(46px);
}
body::before {
  width: 300px;
  height: 300px;
  top: -110px;
  right: -80px;
  background: rgba(110, 211, 155, 0.2);
}
body::after {
  width: 360px;
  height: 360px;
  left: -130px;
  top: 25%;
  background: rgba(31, 111, 168, 0.12);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary-deep); text-decoration: none; }
a:hover { text-decoration: underline; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: #000;
  color: #fff;
  padding: 10px 14px;
  z-index: 1001;
}
.skip-link:focus { left: 10px; }

.loader {
  position: fixed;
  inset: 0;
  background: var(--white);
  display: grid;
  place-items: center;
  z-index: 1000;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
.loader.hide { opacity: 0; visibility: hidden; }
.spinner {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 4px solid var(--primary);
  border-top-color: var(--primary-deep);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 20px rgba(16, 63, 95, 0.06);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}
.brand {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 10px;
  align-items: center;
  font-weight: 700;
  color: #0f3f61;
  font-size: clamp(1rem, 2.3vw, 1.2rem);
  letter-spacing: 0.2px;
}
.brand-logo {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid #c8ddef;
  box-shadow: 0 6px 14px rgba(15, 63, 97, 0.18);
  grid-row: span 2;
}
.brand small {
  display: block;
  font-weight: 500;
  color: var(--muted);
  font-size: 0.8rem;
}

.nav-toggle {
  display: none;
  background: var(--primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 1.1rem;
}
.nav-links {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  display: inline-block;
  padding: 9px 12px;
  border-radius: 8px;
  color: #244055;
  font-weight: 600;
  transition: all 0.25s ease;
}
.nav-links a.active,
.nav-links a:hover {
  background: linear-gradient(135deg, #dcefff 0%, #e7f7ea 100%);
  color: #103f5f;
  text-decoration: none;
}

main { padding-bottom: 42px; }
section { padding: 54px 0; }
.section-title {
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  margin: 0 0 8px;
  color: #103f5f;
}
.section-sub {
  margin: 0 0 24px;
  color: var(--muted);
  max-width: 760px;
}

.kicker {
  display: inline-block;
  margin-bottom: 10px;
  padding: 6px 12px;
  border-radius: 999px;
  background: #edf6ff;
  border: 1px solid #cfe4f5;
  color: #0f4d78;
  font-weight: 700;
  font-size: 0.86rem;
}

.muted-note {
  margin-top: 10px;
  color: #4d6376;
  font-size: 0.95rem;
}

.info-list {
  margin: 8px 0 0;
  padding-left: 18px;
}

.info-list li {
  margin-bottom: 8px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.badge {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid #cae2f3;
  background: #f4faff;
  color: #134e73;
  font-weight: 700;
  font-size: 0.9rem;
}

.hero {
  padding: 64px 0 36px;
  display: grid;
  gap: 24px;
}
.hero-card {
  background: linear-gradient(140deg, var(--primary) 0%, #edf7ff 55%, var(--secondary) 100%);
  border: 1px solid #cae5fa;
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow-deep);
  padding: clamp(20px, 4vw, 34px);
  position: relative;
  overflow: hidden;
}
.hero-card::after {
  content: "";
  position: absolute;
  right: -20px;
  bottom: -26px;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 111, 168, 0.2), transparent 68%);
}
.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(1.55rem, 4.5vw, 2.6rem);
  line-height: 1.35;
}
.tagline {
  margin: 0 0 22px;
  color: #114e74;
  font-size: clamp(1rem, 2.8vw, 1.2rem);
  font-weight: 600;
}
.cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: 700;
  border: 0;
  box-shadow: 0 10px 22px rgba(31, 111, 168, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}
.cta:hover {
  text-decoration: none;
  filter: brightness(1.06);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(31, 111, 168, 0.35);
}

.carousel {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #f5faff;
}
.carousel-track {
  display: flex;
  transition: transform 0.45s ease;
}
.slide { min-width: 100%; }
.slide img { width: 100%; aspect-ratio: 16/8; object-fit: cover; }
.carousel-controls {
  position: absolute;
  inset: auto 12px 12px auto;
  display: flex;
  gap: 8px;
}
.carousel-btn {
  border: 0;
  background: rgba(15, 50, 74, 0.82);
  color: #fff;
  border-radius: 8px;
  padding: 7px 10px;
}

.trust-strip {
  margin-top: 16px;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.trust-pill {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid #cde3f4;
  border-radius: 999px;
  padding: 10px 14px;
  text-align: center;
  font-weight: 700;
  color: #114a6f;
}

.grid {
  display: grid;
  gap: 16px;
}
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 8px 20px rgba(13, 44, 64, 0.06);
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(13, 44, 64, 0.11);
  border-color: #bed8eb;
}
.card h3 {
  margin: 0 0 8px;
  color: #0e4d72;
  font-size: 1.1rem;
}
.card p,
.card li { margin: 0; color: #344a5e; }

.highlight-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-deep);
  line-height: 1;
  margin-bottom: 8px;
}

.list-clean {
  margin: 0;
  padding-left: 18px;
}

.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.filter-btn {
  border: 1px solid var(--border);
  background: #fff;
  color: #244055;
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 700;
}
.filter-btn.active,
.filter-btn:hover {
  background: var(--primary);
}
.gallery-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.gallery-item {
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #eef6fb;
}
.gallery-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.gallery-item:hover img { transform: scale(1.04); }

.contact-wrap {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr 1fr;
}
form {
  display: grid;
  gap: 12px;
}
label { font-weight: 600; color: #1f3e53; }
input, textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid #c9d9e8;
  border-radius: 10px;
  font: inherit;
  background: #fff;
}
textarea { min-height: 120px; resize: vertical; }
input:focus, textarea:focus, .filter-btn:focus, .nav-toggle:focus, .carousel-btn:focus, .cta:focus {
  outline: 3px solid #9fd2ff;
  outline-offset: 2px;
}
.error-msg { color: #b91c1c; font-size: 0.9rem; min-height: 1.2em; }

.socials {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.socials a {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  text-decoration: none;
  color: #1f4f72;
  font-weight: 600;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, #f7fbff 0%, #eff7fb 100%);
  padding: 28px 0;
}
.footer-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1.6fr 1fr 1fr;
}
.footer-title {
  margin: 0 0 8px;
  color: #0f3f61;
}
.copyright {
  margin-top: 16px;
  font-size: 0.93rem;
  color: #4f6478;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 920px) {
  .grid-3, .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-wrap, .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-block; }
  .nav-links {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    display: none;
    flex-direction: column;
    padding: 10px;
  }
  .nav-links.open { display: flex; }
  .grid-2, .grid-3, .gallery-grid { grid-template-columns: 1fr; }
  .trust-strip { grid-template-columns: 1fr; }
  .hero { padding-top: 38px; }
}