:root {
  --navy: #1e3a6e;
  --navy-deep: #152a52;
  --orange: #e85d04;
  --saffron: #ff9933;
  --green: #2d6a4f;
  --bg: #f4f6f9;
  --bg-alt: #eef2f7;
  --text: #212529;
  --muted: #6c757d;
  --white: #fff;
  --radius: 10px;
  --font: 'Segoe UI', 'Noto Sans Devanagari', Tahoma, sans-serif;
  --shadow: 0 8px 28px rgba(30, 58, 110, 0.1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.tricolor {
  height: 4px;
  background: linear-gradient(90deg, var(--saffron) 33%, var(--white) 33%, var(--white) 66%, var(--green) 66%);
}

.container {
  width: min(1120px, 100% - 2rem);
  margin-inline: auto;
}

.muted { color: var(--muted); }

/* Header */
.site-header {
  background: var(--white);
  border-bottom: 1px solid #dee2e6;
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.brand-badge {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--orange), var(--saffron));
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  display: grid;
  place-items: center;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-text strong {
  color: var(--navy);
  font-size: 1.05rem;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.78rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem 1rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--navy);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.35rem 0.15rem;
}

.site-nav a:hover { color: var(--orange); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.15s;
  font-family: inherit;
}

.btn-sm { padding: 0.45rem 0.85rem; font-size: 0.82rem; }
.btn-lg { padding: 0.75rem 1.25rem; font-size: 0.95rem; }

.btn-primary {
  background: linear-gradient(135deg, var(--orange), #d35400);
  color: #fff;
  box-shadow: 0 4px 12px rgba(232, 93, 4, 0.28);
}

.btn-secondary {
  background: var(--navy);
  color: #fff;
}

.btn-outline {
  background: #fff;
  color: var(--navy);
  border-color: #c5d0de;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* Hero */
.hero {
  position: relative;
  color: #fff;
  padding: 3rem 0 3.5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, var(--navy-deep) 0%, #254a7a 45%, #2c5282 100%);
  z-index: 0;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(255, 153, 51, 0.15), transparent 45%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 700;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.65rem, 4vw, 2.4rem);
  line-height: 1.3;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 600;
  color: var(--saffron);
}

.lead {
  margin: 0 0 1.25rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 34rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  padding: 0.65rem 1rem;
  min-width: 5.5rem;
  text-align: center;
}

.stat strong {
  display: block;
  font-size: 1.25rem;
  color: var(--saffron);
}

.stat span {
  font-size: 0.78rem;
  opacity: 0.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-panel {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 14px;
  padding: 1.35rem;
  backdrop-filter: blur(8px);
}

.hero-panel h2 {
  margin: 0 0 0.85rem;
  font-size: 1.05rem;
}

.quick-links {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}

.quick-links li { margin-bottom: 0.45rem; }

.quick-links a {
  color: #fff;
  text-decoration: none;
  font-size: 0.92rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}

.quick-links a:hover { color: var(--saffron); }

.erp-strip {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 1rem;
}

.erp-strip p {
  margin: 0 0 0.65rem;
  font-size: 0.85rem;
  opacity: 0.9;
}

.erp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Sections */
.section {
  padding: 3rem 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-label {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--orange);
  font-weight: 700;
}

.section-title {
  margin: 0 0 1.5rem;
  color: var(--navy);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: start;
}

.split h2 {
  margin: 0 0 1rem;
  color: var(--navy);
  font-size: 1.5rem;
}

.check-list {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.check-list li { margin-bottom: 0.4rem; }

.about-card {
  background: #fff;
  border: 1px solid #dee2e6;
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--green);
}

.about-card h3 {
  margin: 0 0 0.35rem;
  color: var(--navy);
  font-size: 1rem;
}

.about-card p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.about-card h3:not(:first-child) { margin-top: 0.5rem; }

.card-grid {
  display: grid;
  gap: 1rem;
}

.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }

.info-card,
.facility-card {
  background: #fff;
  border: 1px solid #dee2e6;
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.info-card h3,
.facility-card h3 {
  margin: 0 0 0.4rem;
  color: var(--navy);
  font-size: 1rem;
}

.info-card p,
.facility-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.card-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 0.5rem;
}

.facility-card {
  text-align: center;
  border-top: 3px solid var(--saffron);
}

/* Notices */
.notice-list {
  display: grid;
  gap: 0.85rem;
}

.notice-item {
  display: flex;
  gap: 0.75rem;
  background: #fff;
  border: 1px solid #dee2e6;
  border-radius: 12px;
  padding: 1.1rem 1.25rem;
  box-shadow: var(--shadow);
}

.notice-item h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  color: var(--navy);
}

.notice-item p {
  margin: 0 0 0.35rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.notice-item time {
  font-size: 0.8rem;
  color: var(--orange);
  font-weight: 600;
}

.notice-badge {
  flex-shrink: 0;
  align-self: flex-start;
  background: #ffd60a;
  color: #1a1a1a;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.notice-new {
  border-left: 4px solid #c1121f;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-list li {
  margin-bottom: 1rem;
}

.contact-list strong {
  display: block;
  color: var(--navy);
  margin-bottom: 0.2rem;
}

.contact-list a {
  color: var(--orange);
  text-decoration: none;
  font-weight: 600;
}

.contact-form {
  background: #fff;
  border: 1px solid #dee2e6;
  border-radius: 14px;
  padding: 1.35rem;
  box-shadow: var(--shadow);
}

.contact-form h3 {
  margin: 0 0 1rem;
  color: var(--navy);
}

.contact-form label {
  display: block;
  margin-bottom: 0.85rem;
}

.contact-form label span {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: var(--navy);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid #ced4da;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.9rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid #dee2e6;
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.85);
  padding: 1.75rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
  font-size: 0.85rem;
}

.footer-grid strong { color: #fff; }

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

.footer-links a:hover { color: var(--saffron); }

.footer-meta p { margin: 0.2rem 0; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .split,
  .contact-grid,
  .card-grid.three,
  .card-grid.four,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .nav-toggle { display: flex; }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #dee2e6;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    box-shadow: var(--shadow);
  }

  .site-nav.open { display: flex; }

  .site-header { position: relative; }
  .header-inner { position: relative; }
}