:root {
  --bg: #f3f7fa;
  --surface: #ffffff;
  --surface-soft: #edf3f9;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #0b4f4a;
  --accent-soft: #d8f0ed;
  --border: #d7e2ee;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top right, rgba(11, 79, 74, 0.14), transparent 28%),
    linear-gradient(180deg, #f7fbfd 0%, var(--bg) 100%);
  color: var(--text);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
}

.page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

.hero {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 20px;
  padding: 28px;
  background: linear-gradient(135deg, #0b4f4a, #144640 70%, #143f67);
  border-radius: 32px;
  color: white;
  margin-bottom: 20px;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: #b7eee7;
}

.hero h1 {
  margin: 8px 0 10px;
  font-size: clamp(30px, 4vw, 48px);
}

.hero-copy {
  max-width: 680px;
  line-height: 1.6;
  color: #d8f6f1;
}

.hero-controls,
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.04);
}

.hero-controls {
  color: var(--text);
  padding: 18px;
}

label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}

input {
  width: 100%;
  margin-top: 6px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: white;
  font: inherit;
}

button {
  border: 0;
  border-radius: 14px;
  padding: 12px 16px;
  background: var(--accent);
  color: white;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

button.secondary {
  background: var(--surface-soft);
  color: var(--text);
}

.button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.grid {
  display: grid;
  gap: 20px;
  margin-bottom: 20px;
}

.three-up {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  padding: 20px;
}

.stat strong {
  display: block;
  margin-top: 8px;
  font-size: 34px;
}

.stat small {
  display: block;
  margin-top: 10px;
  color: var(--muted);
}

.card-head h2,
.waterfall h3 {
  margin: 0;
  font-size: 22px;
}

.card-head p {
  margin: 8px 0 0;
  color: var(--muted);
}

.chart-card canvas {
  margin-top: 22px;
  min-height: 280px;
}

table {
  width: 100%;
  margin-top: 16px;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

th {
  color: var(--muted);
  font-weight: 600;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 26px;
}

.checkbox input {
  width: auto;
  margin: 0;
}

.waterfall {
  margin-top: 24px;
  padding: 20px;
  border-radius: 22px;
  background: var(--surface-soft);
}

.waterfall-row {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, minmax(0, 1fr));
  gap: 12px;
  align-items: center;
  margin-top: 12px;
}

.waterfall-row strong {
  display: block;
}

.waterfall-row span {
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 960px) {
  .hero,
  .three-up,
  .two-up,
  .form-grid {
    grid-template-columns: 1fr;
  }
}