/* NutraFlow support site — shared styles */

:root {
  --nf-green: #16833d;
  --nf-green-dark: #0f5f2c;
  --nf-ink: #14181b;
  --nf-body: #33393d;
  --nf-muted: #6b7378;
  --nf-line: #e4e8e6;
  --nf-bg: #ffffff;
  --nf-bg-soft: #f6f9f7;
  --nf-max: 760px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  color: var(--nf-body);
  background: var(--nf-bg);
}

.nf-container {
  max-width: var(--nf-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header / navigation */
.nf-header {
  border-bottom: 1px solid var(--nf-line);
  background: var(--nf-bg);
}

.nf-header .nf-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding-top: 20px;
  padding-bottom: 20px;
}

.nf-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 19px;
  color: var(--nf-ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nf-brand .nf-mark {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--nf-green), #2fae5c);
  display: inline-block;
}

.nf-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.nf-nav a {
  color: var(--nf-body);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
}

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

.nf-nav a[aria-current="page"] {
  color: var(--nf-green);
}

/* Main content */
main.nf-container {
  padding-top: 44px;
  padding-bottom: 72px;
}

h1 {
  color: var(--nf-ink);
  font-size: 32px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

h2 {
  color: var(--nf-ink);
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 40px 0 12px;
}

h3 {
  color: var(--nf-ink);
  font-size: 18px;
  margin: 28px 0 8px;
}

p,
ul,
ol {
  margin: 0 0 16px;
}

ul,
ol {
  padding-left: 24px;
}

li {
  margin-bottom: 6px;
}

a {
  color: var(--nf-green);
}

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

strong {
  color: var(--nf-ink);
}

.nf-effective {
  color: var(--nf-muted);
  font-size: 15px;
  margin-bottom: 32px;
}

.nf-lead {
  font-size: 18px;
  color: var(--nf-body);
}

.nf-card {
  background: var(--nf-bg-soft);
  border: 1px solid var(--nf-line);
  border-radius: 12px;
  padding: 20px 22px;
  margin: 24px 0;
}

.nf-card p:last-child,
.nf-card ul:last-child {
  margin-bottom: 0;
}

table.nf-table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 24px;
  font-size: 15.5px;
}

table.nf-table th,
table.nf-table td {
  text-align: left;
  vertical-align: top;
  padding: 10px 12px;
  border: 1px solid var(--nf-line);
}

table.nf-table th {
  background: var(--nf-bg-soft);
  color: var(--nf-ink);
}

.nf-table-wrap {
  overflow-x: auto;
}

/* Footer */
.nf-footer {
  border-top: 1px solid var(--nf-line);
  background: var(--nf-bg-soft);
}

.nf-footer .nf-container {
  padding-top: 28px;
  padding-bottom: 40px;
  font-size: 14.5px;
  color: var(--nf-muted);
}

.nf-footer a {
  color: var(--nf-body);
  text-decoration: none;
  font-weight: 600;
}

.nf-footer a:hover {
  color: var(--nf-green);
}

.nf-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 10px;
}

@media (max-width: 600px) {
  body {
    font-size: 16px;
  }

  h1 {
    font-size: 27px;
  }

  h2 {
    font-size: 20px;
  }

  main.nf-container {
    padding-top: 32px;
  }
}