:root {
  --bg: #0f1d18;
  --bg-soft: #16281f;
  --card: #1d3328;
  --text: #e8f4ee;
  --muted: #b6cbc0;
  --accent: #73d38f;
  --accent-2: #2fae59;
  --line: #2d4a3b;
}

* { box-sizing: border-box; }

img,
svg,
video,
canvas {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: radial-gradient(circle at top right, #1b3a2e 0%, var(--bg) 45%);
  color: var(--text);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(15, 29, 24, 0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.brand { font-weight: 700; letter-spacing: 0.5px; }

.top-tabs { display: flex; gap: 10px; flex-wrap: wrap; }

.top-tabs a {
  color: var(--text);
  text-decoration: none;
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 999px;
}

.top-tabs a:hover {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.top-tabs .admin-tab {
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  color: #072012;
  font-weight: 700;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 18px 44px;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 20px;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
}

.hero img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
}

.kicker {
  color: var(--accent);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.8px;
  margin: 0 0 8px;
}

h1 { margin: 0 0 10px; font-size: 2rem; line-height: 1.2; }
h2 { margin: 0 0 14px; }

.hero-actions {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  text-decoration: none;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  color: #072012;
  font-weight: 700;
  padding: 9px 14px;
  border-radius: 10px;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.section {
  margin-top: 26px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.025);
}

.feature-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.feature-grid article {
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--card);
}

.feature-grid h3 { margin: 0 0 6px; }

.feature-grid p,
.doc-note { margin: 0; color: var(--muted); }

.bullet-columns {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.bullet-columns > div {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  background: var(--card);
}

.bullet-columns h3 { margin-top: 0; }
.bullet-columns ul { margin: 0 0 10px 18px; color: var(--muted); }

.feature-image {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  margin: 4px 0 10px;
}

.app-feature-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 10px;
}

.app-feature-grid figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px;
  background: var(--card);
}

.app-feature-grid .feature-image {
  margin: 0 0 6px;
  max-height: 360px;
  object-fit: contain;
}

.app-feature-grid .doc-note {
  margin-top: 4px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.gallery-item {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: var(--card);
}

.gallery-grid img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.gallery-item p {
  margin-top: 8px;
}

.doc-list { display: grid; gap: 10px; }
.doc-list a { color: var(--accent); }

.project-info-layout {
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: 14px;
  align-items: start;
}

.project-info-image {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.site-footer {
  margin-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 14px 22px 22px;
  text-align: center;
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .project-info-layout { grid-template-columns: 1fr; }
  .app-feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .app-feature-grid .feature-image { max-height: 300px; }
}

@media (max-width: 600px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  main {
    padding: 18px 12px 32px;
  }

  .hero,
  .section {
    padding: 14px;
  }

  .app-feature-grid {
    grid-template-columns: 1fr;
  }

  .app-feature-grid .feature-image {
    max-height: 240px;
  }

  .hero img {
    max-height: 220px;
    object-fit: contain;
  }

  .gallery-grid img {
    max-height: 200px;
    object-fit: contain;
  }

  .project-info-image {
    max-height: 210px;
    object-fit: contain;
  }
}