:root {
  --gov-navy: #0b1d3a;
  --gov-navy-dark: #050f1f;
  --gov-accent-gold: #d4af37;
  --gov-gold-hover: #b89726;
  --gov-green: #1b5e20;
  --gov-green-light: #e8f5e9;
  --gov-red: #c62828;
  --bg-slate: #f4f6f9;
  --card-bg: #ffffff;
  --text-main: #1e293b;
  --text-muted: #556987;
  --border-color: #dbe2ea;
  --gov-shadow: 0 4px 15px rgba(11, 29, 58, 0.08);
  --gov-shadow-lg: 0 10px 30px rgba(11, 29, 58, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-slate);
  font-family: 'Hind Siliguri', sans-serif;
  color: var(--text-main);
  line-height: 1.7;
}

/* ==========================================================
   টপ বার ও নেভিগেশন বার
========================================================== */
.top-gov-strip {
  background: #061122;
  color: #cbd5e1;
  font-size: 0.82rem;
  padding: 0.45rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--gov-accent-gold);
}

.top-contact-info {
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
  align-items: center;
}

.top-social-links {
  display: flex;
  gap: 1.2rem;
}

.top-social-links a {
  color: var(--gov-accent-gold);
  text-decoration: none;
  font-weight: 600;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 5%;
  background-color: var(--gov-navy);
  border-bottom: 3px solid var(--gov-accent-gold);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-logo {
  width: 46px;
  height: 46px;
  object-fit: contain;
  background: #fff;
  border-radius: 50%;
  padding: 2px;
  border: 1.5px solid var(--gov-accent-gold);
}

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

.brand-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--gov-accent-gold);
  line-height: 1.1;
  letter-spacing: 0.5px;
}

.brand-sub {
  font-size: 0.72rem;
  color: #e2e8f0;
  letter-spacing: 0.3px;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.3rem;
}

.nav-links a {
  color: #ffffff;
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 500;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--gov-accent-gold);
}

.nav-cta-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-btn {
  background-color: var(--gov-accent-gold);
  color: var(--gov-navy) !important;
  padding: 0.5rem 1.25rem;
  border-radius: 4px;
  font-weight: 700 !important;
  font-size: 0.92rem;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-btn:hover {
  background-color: var(--gov-gold-hover);
  color: #ffffff !important;
}

.nav-btn-outline {
  border: 1.5px solid rgba(212, 175, 55, 0.6);
  color: #ffffff !important;
  padding: 0.45rem 1rem;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

/* ==========================================================
   পেজ ব্যানার / হেডার
========================================================== */
.page-header {
  background: linear-gradient(135deg, var(--gov-navy) 0%, #0d2244 100%);
  color: #ffffff;
  padding: 4rem 5% 4.5rem;
  border-bottom: 3px solid var(--gov-accent-gold);
  text-align: center;
}

.breadcrumb {
  font-size: 0.88rem;
  color: #cbd5e1;
  margin-bottom: 0.8rem;
}

.breadcrumb a {
  color: var(--gov-accent-gold);
  text-decoration: none;
}

.page-title {
  font-size: 2.6rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: #ffffff;
}

.page-title span {
  color: var(--gov-accent-gold);
}

.page-subtitle {
  font-size: 1.05rem;
  color: #cbd5e1;
  max-width: 680px;
  margin: 0 auto;
}

/* ==========================================================
   কন্টাক্ট ইনফো কার্ডস (৪টি কলাম)
========================================================== */
.contact-info-strip {
  max-width: 1200px;
  margin: -35px auto 4rem;
  padding: 0 5%;
  position: relative;
  z-index: 10;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}

.info-card {
  background: #ffffff;
  padding: 1.8rem 1.4rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  border-top: 4px solid var(--gov-navy);
  box-shadow: var(--gov-shadow);
  text-align: center;
  transition: transform 0.2s ease, border-top-color 0.2s ease;
}

.info-card:hover {
  transform: translateY(-4px);
  border-top-color: var(--gov-accent-gold);
}

.info-icon {
  width: 48px;
  height: 48px;
  background: var(--gov-green-light);
  color: var(--gov-green);
  font-size: 1.4rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.info-card h4 {
  font-size: 1.1rem;
  color: var(--gov-navy);
  margin-bottom: 0.4rem;
  font-weight: 700;
}

.info-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================
   মেইন কন্টাক্ট সেকশন (ফরম ও ডিরেকশন)
========================================================== */
.contact-main-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5% 5rem;
}

.contact-layout-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: start;
}

/* ফরম বক্স */
.contact-form-box {
  background: #ffffff;
  padding: 2.8rem 2.5rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  box-shadow: var(--gov-shadow);
  border-top: 4px solid var(--gov-accent-gold);
}

.form-heading h3 {
  font-size: 1.6rem;
  color: var(--gov-navy);
  margin-bottom: 0.4rem;
  font-weight: 700;
}

.form-heading p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.8rem;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-bottom: 1.2rem;
}

.form-control-item {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.2rem;
}

.form-control-item label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--gov-navy);
  margin-bottom: 0.4rem;
}

.form-control-item input,
.form-control-item select,
.form-control-item textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.95rem;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s ease;
  background: #fafbfc;
}

.form-control-item input:focus,
.form-control-item select:focus,
.form-control-item textarea:focus {
  border-color: var(--gov-accent-gold);
  background: #ffffff;
}

.btn-submit-contact {
  background: var(--gov-navy);
  color: var(--gov-accent-gold);
  border: 1.5px solid var(--gov-accent-gold);
  padding: 0.9rem 2rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
  width: 100%;
  transition: all 0.25s ease;
}

.btn-submit-contact:hover {
  background: var(--gov-accent-gold);
  color: var(--gov-navy);
}

/* সাইডবার ডিরেকশন ও ক্যাম্পাসের সুবিধা */
.contact-side-info {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.side-detail-box {
  background: #ffffff;
  padding: 2.2rem 2rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  box-shadow: var(--gov-shadow);
}

.side-detail-box h4 {
  font-size: 1.25rem;
  color: var(--gov-navy);
  margin-bottom: 1.2rem;
  border-bottom: 2px solid var(--gov-accent-gold);
  padding-bottom: 0.5rem;
  font-weight: 700;
}

.direction-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.direction-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.92rem;
  color: var(--text-main);
}

.direction-badge {
  background: var(--gov-navy);
  color: var(--gov-accent-gold);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  white-space: nowrap;
  margin-top: 2px;
}

.helpline-box {
  background: linear-gradient(135deg, var(--gov-navy) 0%, #162c52 100%);
  color: #ffffff;
  padding: 2rem;
  border-radius: 10px;
  border: 1.5px solid var(--gov-accent-gold);
  text-align: center;
}

.helpline-box h4 {
  font-size: 1.3rem;
  color: var(--gov-accent-gold);
  margin-bottom: 0.5rem;
}

.helpline-box p {
  font-size: 0.88rem;
  color: #cbd5e1;
  margin-bottom: 1.2rem;
}

.helpline-number {
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
  font-family: 'Cinzel', serif;
  letter-spacing: 1px;
  display: block;
  margin-bottom: 0.8rem;
}

.btn-whatsapp {
  display: inline-block;
  background: #25d366;
  color: #ffffff;
  padding: 0.55rem 1.4rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  transition: opacity 0.2s;
}

.btn-whatsapp:hover {
  opacity: 0.9;
}

/* ==========================================================
   এমবেডেড গুগল ম্যাপ সেকশন (Full Container Map)
========================================================== */
.map-section {
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 5rem 5%;
}

.map-container-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.map-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.map-header h2 {
  font-size: 2.2rem;
  color: var(--gov-navy);
  margin-bottom: 0.4rem;
  font-weight: 700;
  position: relative;
  display: inline-block;
}

.map-header h2::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gov-accent-gold);
}

.map-header p {
  font-size: 1rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

.map-frame-wrapper {
  width: 100%;
  height: 450px;
  border-radius: 12px;
  overflow: hidden;
  border: 2px solid var(--gov-accent-gold);
  box-shadow: var(--gov-shadow-lg);
  background: #e2e8f0;
}

.map-frame-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ==========================================================
   ফুটার (Matching Homepage & About Page)
========================================================== */
.footer {
  background-color: var(--gov-navy-dark);
  color: #94a3b8;
  padding: 4.5rem 5% 2rem;
  border-top: 3px solid var(--gov-accent-gold);
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: var(--gov-accent-gold);
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
  font-weight: 700;
}

.footer-col p {
  font-size: 0.88rem;
  line-height: 1.7;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.55rem;
}

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--gov-accent-gold);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
}

/* ==========================================================
   রেসপনসিভনেস
========================================================== */
@media screen and (max-width: 992px) {
  .info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-layout-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .map-frame-wrapper {
    height: 380px;
  }
}

@media screen and (max-width: 768px) {
  .top-gov-strip {
    flex-direction: column;
    gap: 0.4rem;
    text-align: center;
  }
  .navbar {
    flex-direction: column;
    gap: 0.9rem;
    padding: 1rem 5%;
  }
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
  }
  .page-title {
    font-size: 2rem;
  }
  .info-grid {
    grid-template-columns: 1fr;
  }
  .form-group-row {
    grid-template-columns: 1fr;
  }
  .contact-form-box {
    padding: 2rem 1.4rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 0.8rem;
    text-align: center;
  }
  .map-frame-wrapper {
    height: 300px;
  }
}