:root {
  --bg: #f6f9fc;
  --surface: #ffffff;
  --surface-soft: #eef4f9;
  --text: #183043;
  --muted: #5d7180;
  --line: #d7e1ea;
  --primary: #16639d;
  --primary-dark: #0f3550;
  --primary-soft: #dbeffd;
  --accent: #4aa9df;
  --shadow: 0 18px 45px rgba(14, 38, 59, 0.09);
  --radius: 22px;
  --radius-sm: 16px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.section-tight {
  padding: 40px 0 30px;
}

.surface {
  background: linear-gradient(180deg, #f1f6fb 0%, #f8fbfe 100%);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 34px;
}

.section-head p {
  max-width: 540px;
  color: var(--muted);
}

.section-tag,
.eyebrow,
.mini-label,
.badge,
.status,
.news-date,
.brand-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.section-tag,
.eyebrow,
.mini-label,
.brand-kicker {
  color: var(--primary);
}

h1, h2, h3 {
  margin: 0 0 14px;
  line-height: 1.15;
}

h1 { font-size: clamp(2.6rem, 5vw, 4.6rem); max-width: 12ch; }
h2 { font-size: clamp(2rem, 3.5vw, 3rem); max-width: 15ch; }
h3 { font-size: 1.2rem; }

p { margin: 0; }
.lead { font-size: 1.08rem; color: var(--muted); max-width: 65ch; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(15, 53, 80, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #fff;
}

.brand strong {
  display: block;
  font-size: 1rem;
}

.brand-logo,
.footer-logo {
  width: 58px;
  height: 58px;
  object-fit: cover;
  border-radius: 16px;
}

.site-nav {
  display: flex;
  gap: 22px;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 600;
}

.site-nav a { opacity: 0.92; }
.site-nav a:hover { opacity: 1; }

.nav-toggle {
  display: none;
  border: 0;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  width: 46px;
  height: 46px;
  border-radius: 12px;
}

.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #0f3550;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(15, 53, 80, 0.82) 0%, rgba(15, 53, 80, 0.55) 42%, rgba(15, 53, 80, 0.18) 100%),
    linear-gradient(180deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.18) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.7fr;
  gap: 36px;
  align-items: end;
  padding: 110px 0 70px;
}

.hero-copy {
  color: #fff;
}

.hero-copy p {
  max-width: 60ch;
  font-size: 1.08rem;
  color: rgba(255,255,255,0.9);
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: 0.2s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: #fff;
  color: var(--primary-dark);
}

.btn-secondary {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.22);
  color: #fff;
}

.btn-full { width: 100%; }

.hero-panel,
.institutional-card,
.contact-form,
.contest-detail,
.text-card,
.quick-card,
.news-item,
.admin-cards article,
.info-box,
.contest-card,
.news-feature {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(23, 72, 107, 0.06);
}

.hero-panel {
  padding: 22px;
  display: grid;
  gap: 14px;
}

.panel-stat {
  padding: 18px;
  background: linear-gradient(180deg, #f7fbff 0%, #eef6fd 100%);
  border-radius: 18px;
}

.panel-stat span,
.detail-grid span,
.contact-data span {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.panel-stat strong,
.detail-grid strong,
.contact-data strong {
  font-size: 1rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.quick-card {
  padding: 24px;
}

.quick-icon {
  font-size: 1.5rem;
}

.split-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
  align-items: start;
}

.info-grid,
.admin-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.info-box,
.admin-cards article,
.institutional-card,
.contact-form,
.contest-card,
.contest-detail,
.text-card,
.news-item {
  padding: 24px;
}

.institutional-card ul {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.community-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.6fr 0.55fr;
  gap: 20px;
  align-items: stretch;
}

.media-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  min-height: 100%;
  box-shadow: var(--shadow);
}

.media-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-large { min-height: 460px; }
.media-tall { min-height: 460px; }

.media-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 30, 44, 0.05) 0%, rgba(11, 30, 44, 0.7) 100%);
}

.media-card-copy {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  padding: 28px;
  color: #fff;
}

.badge {
  background: rgba(255,255,255,0.18);
  color: #fff;
  padding: 7px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.text-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.text-card .badge {
  color: var(--primary-dark);
  background: var(--primary-soft);
  width: fit-content;
}

.category-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 12px;
}

.category-list li {
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--surface-soft);
  font-weight: 600;
}

.news-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 20px;
}

.news-feature {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  overflow: hidden;
  padding: 0;
}

.news-feature img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 100%;
}

.news-feature-copy {
  padding: 28px;
}

.news-feature-copy .badge {
  color: var(--primary-dark);
  background: var(--primary-soft);
}

.news-list {
  display: grid;
  gap: 18px;
}

.news-date {
  color: var(--primary);
  margin-bottom: 10px;
}

.text-link {
  display: inline-block;
  margin-top: 18px;
  color: var(--primary);
  font-weight: 700;
}

.contest-toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.filter-btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--primary-dark);
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 700;
  cursor: pointer;
}

.filter-btn.is-active {
  background: var(--primary-dark);
  color: #fff;
  border-color: var(--primary-dark);
}

.contest-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 22px;
  align-items: start;
}

.contest-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.contest-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.status {
  padding: 8px 12px;
  border-radius: 999px;
}

.status-active { background: #dbf4e5; color: #11703d; }
.status-upcoming { background: #e5effc; color: #285ea8; }
.status-closed { background: #eceef2; color: #5a6470; }

.contest-category {
  font-size: 0.86rem;
  color: var(--muted);
  font-weight: 700;
}

.contest-card ul {
  margin: 16px 0 20px;
  padding-left: 18px;
  color: var(--muted);
}

.detail-btn {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  color: var(--primary-dark);
  border-radius: 14px;
  min-height: 46px;
  font-weight: 700;
  cursor: pointer;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 24px 0 28px;
}

.detail-grid div {
  padding: 14px;
  border-radius: 16px;
  background: var(--surface-soft);
}

.admin-panel-preview {
  display: grid;
  gap: 28px;
}

.contact-section {
  background: linear-gradient(180deg, #f7fbff 0%, #edf5fb 100%);
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.95fr 0.95fr;
  gap: 30px;
  align-items: start;
}

.contact-data {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.contact-form {
  display: grid;
  gap: 16px;
}

.contact-form label {
  display: grid;
  gap: 10px;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 14px 15px;
  background: #fff;
  color: var(--text);
}

.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.9);
  padding: 30px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-brand p,
.footer-note { color: rgba(255,255,255,0.74); }

.hidden {
  display: none !important;
}

@media (max-width: 1100px) {
  .hero-content,
  .split-layout,
  .news-grid,
  .contest-layout,
  .contact-layout,
  .community-grid,
  .grid-4,
  .contest-list {
    grid-template-columns: 1fr;
  }

  .section-head,
  .footer-inner,
  .news-feature {
    grid-template-columns: 1fr;
    display: grid;
  }

  .section-head {
    align-items: start;
  }

  .media-large,
  .media-tall {
    min-height: 360px;
  }
}

@media (max-width: 820px) {
  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 16px;
    width: min(320px, calc(100% - 32px));
    background: rgba(15, 53, 80, 0.98);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 18px;
    padding: 14px;
    display: none;
    flex-direction: column;
  }

  .site-nav.is-open { display: flex; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .brand strong { font-size: 0.95rem; }
  h1 { max-width: 14ch; }
  h2 { max-width: none; }
  .info-grid,
  .admin-cards,
  .detail-grid { grid-template-columns: 1fr; }
}