:root {
  --green: #2f7d5a;
  --green-dark: #1f5e42;
  --bg: #f8faf9;
  --text: #1f2937;
  --muted: #6b7280;
}

* {
  box-sizing: border-box;
  font-family: "Segoe UI", system-ui, sans-serif;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

/* ================= NAVBAR ================= */
nav {
  background: white;
  padding: 14px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #e5e7eb;
}

nav .logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--green);
}

nav ul {
  display: flex;
  gap: 24px;
  list-style: none;
  align-items: center;
  margin: 0;
  padding: 0;
}

nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
}

nav a:hover {
  color: var(--green);
}

/* ================= BUTTON ================= */
.btn-green {
  background: var(--green);
  color: white;
  padding: 10px 16px;
  border-radius: 6px;
  border: none;
  font-weight: 600;
  cursor: pointer;
}

.btn-green:hover {
  background: var(--green-dark);
}

/* ================= DASHBOARD HEADER ================= */
.dashboard-header {
  padding: 28px 48px 16px;
  text-align: center;
}

.dashboard-header h2 {
  font-size: 30px;
  margin: 0 0 6px;
  font-weight: 700;
}

.dashboard-header p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

/* ================= SECTION (REPLACEMENT OF .WHY) ================= */
.why {
  padding: 28px 48px;
}

.why h2 {
  font-size: 26px;
  margin: 0 0 8px;
  font-weight: 700;
}

.why p {
  color: var(--muted);
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.5;
}

/* ================= FEATURES / KPI ================= */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.card {
  background: white;
  padding: 16px;
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(0,0,0,.06);
}

.card h3 {
  margin: 0 0 8px;
  color: var(--green-dark);
  font-size: 18px;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* ================= TABLE ================= */
table {
  border-collapse: collapse;
  width: 100%;
}

th {
  text-align: left;
  font-size: 14px;
  color: var(--muted);
  border-bottom: 1px solid #e5e7eb;
}

td {
  font-size: 14px;
  padding: 10px 0;
  border-bottom: 1px solid #f1f5f9;
}

/* ================= FORM ================= */
form label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 500;
}

form input,
form select {
  width: 100%;
  padding: 10px;
  margin-bottom: 14px;
  border-radius: 6px;
  border: 1px solid #d1d5db;
  font-size: 14px;
}

/* ================= TAB ================= */
.tab-content {
  display: none;
}

/* ================= FOOTER ================= */
footer {
  margin-top: 40px;
  text-align: center;
  padding: 24px;
  color: var(--muted);
  font-size: 14px;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 900px) {
  nav {
    padding: 14px 20px;
  }

  .dashboard-header,
  .why {
    padding: 20px;
  }

  .dashboard-header h2 {
    font-size: 24px;
  }

  .why h2 {
    font-size: 22px;
  }
}