:root {
  --bg: #eaf2ef;
  --panel: rgba(255, 255, 255, 0.9);
  --line: rgba(177, 207, 221, 0.86);
  --text: #112f2a;
  --muted: #4f6c66;
  --accent: #0f8c73;
  --panel-shadow: 0 14px 28px rgba(13, 51, 66, 0.08);
  --bg-sea-hue: 188;
  --bg-carbon-alpha: 0.14;
  --bg-wave-alpha: 0.18;
  --bg-cold-alpha: 0.16;
  --bg-chl-alpha: 0.12;
  --bg-wind-tilt: 12deg;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  position: relative;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(
      1200px 700px at 12% -8%,
      hsla(calc(var(--bg-sea-hue) + 10), 68%, 96%, 0.96) 0%,
      rgba(255, 255, 255, 0) 72%
    ),
    radial-gradient(
      900px 560px at 90% 8%,
      hsla(calc(var(--bg-sea-hue) - 8), 58%, 86%, var(--bg-wave-alpha)) 0%,
      rgba(255, 255, 255, 0) 70%
    ),
    radial-gradient(
      760px 500px at 58% 118%,
      hsla(calc(var(--bg-sea-hue) + 34), 55%, 80%, var(--bg-chl-alpha)) 0%,
      rgba(255, 255, 255, 0) 68%
    ),
    linear-gradient(
      var(--bg-wind-tilt),
      hsla(calc(var(--bg-sea-hue) + 4), 42%, 93%, 0.95) 0%,
      hsla(calc(var(--bg-sea-hue) - 9), 34%, 88%, 0.98) 48%,
      hsla(calc(var(--bg-sea-hue) - 16), 28%, 83%, 1) 100%
    );
  transition: background 460ms ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 20% 26%, rgba(16, 121, 104, var(--bg-chl-alpha)) 0%, rgba(16, 121, 104, 0) 38%),
    radial-gradient(circle at 78% 18%, rgba(25, 86, 150, var(--bg-wave-alpha)) 0%, rgba(25, 86, 150, 0) 40%),
    radial-gradient(circle at 42% 72%, rgba(13, 92, 78, var(--bg-carbon-alpha)) 0%, rgba(13, 92, 78, 0) 40%),
    repeating-linear-gradient(116deg, rgba(22, 70, 86, 0.035) 0 2px, transparent 2px 14px);
  mix-blend-mode: multiply;
  opacity: 0.68;
}

body::after {
  content: "";
  position: fixed;
  inset: -12%;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 62% 40%, rgba(255, 255, 255, 0.72) 0%, rgba(255, 255, 255, 0) 55%),
    radial-gradient(circle at 35% 70%, rgba(14, 107, 90, var(--bg-cold-alpha)) 0%, rgba(14, 107, 90, 0) 45%);
  filter: blur(18px);
}

.layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 18px;
  display: grid;
  gap: 14px;
  position: relative;
  z-index: 1;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--panel-shadow);
  backdrop-filter: blur(4px);
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  background:
    linear-gradient(118deg, rgba(225, 244, 255, 0.82) 0%, rgba(255, 255, 255, 0.9) 52%),
    radial-gradient(circle at right top, rgba(185, 231, 223, 0.64) 0%, rgba(255, 255, 255, 0.3) 62%);
}

.label {
  margin: 0;
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  margin: 8px 0;
  font-size: 33px;
}

h2 {
  margin: 0 0 12px;
}

.sub,
.muted {
  margin: 0;
  color: var(--muted);
}

.hero-actions {
  display: grid;
  gap: 10px;
}

.btn {
  display: inline-block;
  border: 1px solid rgba(15, 140, 115, 0.75);
  background: linear-gradient(180deg, #ffffff 0%, #f1fbf8 100%);
  color: #0c6e5a;
  border-radius: 10px;
  padding: 10px 12px;
  font-weight: 700;
  cursor: pointer;
  font-size: 13px;
  text-decoration: none;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(16, 108, 93, 0.16);
  border-color: rgba(14, 124, 102, 0.86);
}

.btn.ghost {
  background: #ffffff;
  color: #106e5d;
}

.panel-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.metric-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: linear-gradient(180deg, #f8fcfb 0%, #edf6f4 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.metric-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(24, 70, 90, 0.1);
}

.metric-card h3 {
  margin: 0;
  font-size: 14px;
  color: #2d6156;
  font-weight: 700;
}

.metric-card p {
  margin: 8px 0 0;
  font-size: 30px;
  line-height: 1.04;
  font-weight: 800;
}

.metric-wide {
  grid-column: 1 / -1;
}

.nav-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.nav-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  text-decoration: none;
  color: inherit;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.94) 0%, rgba(241, 249, 246, 0.88) 100%);
  box-shadow: 0 10px 20px rgba(23, 71, 95, 0.07);
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.nav-card:hover {
  transform: translateY(-2px);
  border-color: #95c3b5;
  box-shadow: 0 12px 22px rgba(23, 71, 95, 0.13);
}

.nav-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.nav-card p {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 1100px) {
  .cards-grid,
  .nav-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero {
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .cards-grid,
  .nav-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 27px;
  }

  .panel-top {
    align-items: flex-start;
    flex-direction: column;
  }
}