/* ================================================================
   WaterBalance Kazakhstan Portal – NLA-inspired Theme
   Domain: waterbalance.org.kz
   Mirrors the visual identity of nla.nu.edu.kz
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Roboto+Condensed:wght@300;400;700&family=Roboto:wght@300;400;500&display=swap');

/* ---------- CSS Variables ---------------------------------------- */
:root {
  --navy:       #0e1c36;
  --navy-light: #1a2f55;
  --gold:       #c9a84c;
  --gold-light: #e0c06a;
  --white:      #ffffff;
  --off-white:  #f5f7fa;
  --text-dark:  #212529;
  --text-muted: #6c757d;
  --border:     #dee2e6;
  --shadow:     0 2px 12px rgba(14,28,54,0.12);
}

/* ---------- Base -------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Roboto', sans-serif;
  color: var(--text-dark);
  background-color: var(--off-white);
}

h1, h2, h3, h4, h5, h6,
.navbar-brand,
.section-title {
  font-family: 'Roboto Condensed', sans-serif;
  font-weight: 700;
}

/* ---------- Navbar ------------------------------------------------ */
.nla-navbar {
  background-color: var(--navy) !important;
  padding: 0.6rem 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.nla-navbar .navbar-brand {
  color: var(--white) !important;
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.nla-navbar .navbar-brand span {
  color: var(--gold);
}

.nla-navbar .nav-link {
  color: rgba(255,255,255,0.85) !important;
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  padding: 0.5rem 1rem !important;
  transition: color 0.2s;
}

.nla-navbar .nav-link:hover,
.nla-navbar .nav-link.active {
  color: var(--gold) !important;
}

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 1rem;
}

.lang-switcher .lang-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: rgba(255,255,255,0.75);
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.2s;
}

.lang-switcher .lang-btn:hover,
.lang-switcher .lang-btn.active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy);
}

/* ---------- Hero / Banner ---------------------------------------- */
.nla-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 60%, #1e3a6e 100%);
  color: var(--white);
  padding: 3.5rem 0 2.5rem;
  position: relative;
  overflow: hidden;
}

.nla-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
}

.nla-hero h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.nla-hero .lead {
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
  font-weight: 300;
}

.nla-hero .badge-domain {
  display: inline-block;
  background: rgba(201,168,76,0.2);
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 3px;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

/* ---------- Cards ------------------------------------------------- */
.nla-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: var(--shadow);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}

.nla-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(14,28,54,0.18);
}

.nla-card img {
  max-height: 170px;
  object-fit: contain;
  padding: 20px 20px 0;
  background: var(--off-white);
}

.nla-card .card-body {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.25rem;
}

.nla-card .card-title {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.nla-card .card-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  flex-grow: 1;
  margin-bottom: 1rem;
}

/* ---------- Buttons ----------------------------------------------- */
.btn-nla {
  background-color: var(--navy);
  border-color: var(--navy);
  color: var(--white);
  font-family: 'Roboto Condensed', sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 4px;
  padding: 0.45rem 1.2rem;
  transition: background 0.2s, border-color 0.2s;
}

.btn-nla:hover {
  background-color: var(--navy-light);
  border-color: var(--navy-light);
  color: var(--white);
}

.btn-nla-outline {
  background-color: transparent;
  border: 1px solid var(--navy);
  color: var(--navy);
  font-family: 'Roboto Condensed', sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 4px;
  padding: 0.45rem 1.2rem;
  transition: all 0.2s;
}

.btn-nla-outline:hover {
  background-color: var(--navy);
  color: var(--white);
}

/* Download button groups */
.btn-dl-group .btn {
  font-size: 0.78rem;
  font-family: 'Roboto Condensed', sans-serif;
  font-weight: 700;
  letter-spacing: 0.03em;
  border-radius: 3px;
  padding: 3px 10px;
}

/* ---------- Section Boxes ---------------------------------------- */
.nla-section {
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 4px solid var(--navy);
  border-radius: 6px;
  padding: 2rem 2rem 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.nla-section h2 {
  color: var(--navy);
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.nla-section a {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.nla-section a:hover {
  color: var(--gold);
}

/* ---------- Table ------------------------------------------------- */
.nla-table thead th {
  background-color: var(--navy);
  color: var(--white);
  font-family: 'Roboto Condensed', sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-color: var(--navy-light);
}

.nla-table tbody tr:hover {
  background-color: rgba(14,28,54,0.04);
}

/* Search input */
.nla-search {
  border: 1px solid var(--navy);
  border-radius: 4px;
  font-family: 'Roboto', sans-serif;
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
}

.nla-search:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.2);
  outline: none;
}

/* ---------- Footer ------------------------------------------------ */
.nla-footer {
  background-color: var(--navy);
  color: rgba(255,255,255,0.75);
  padding: 1.5rem 0;
  font-size: 0.85rem;
  margin-top: 3rem;
  position: relative;
}

.nla-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
}

.nla-footer a {
  color: var(--gold);
  text-decoration: none;
}

.nla-footer a:hover {
  color: var(--gold-light);
  text-decoration: underline;
}

.nla-footer .footer-divider {
  color: rgba(255,255,255,0.3);
  margin: 0 8px;
}

/* ---------- Responsive ------------------------------------------- */
@media (max-width: 768px) {
  .nla-hero h1 { font-size: 1.4rem; }
  .lang-switcher { margin-left: 0; margin-top: 0.5rem; }
}