:root {
  --brand-font-family: Aptos, "Segoe UI", "Trebuchet MS", sans-serif;

  --color-moss-green: #6b7d5c;
  --color-deep-slate-blue: #4b5e7a;
  --color-warm-cream: #f6f3e7;
  --color-sage-green: #8daa91;
  --color-soft-clay-orange: #d9a066;
  --color-heather-purple: #a89fc9;
  --color-seafoam-blue: #a7c7c5;

  --color-text: var(--color-deep-slate-blue);
  --color-heading: var(--color-moss-green);
  --color-background: var(--color-warm-cream);
  --color-surface: #ffffff;
  --color-border: color-mix(in srgb, var(--color-deep-slate-blue) 20%, #ffffff);
  --color-link: var(--color-moss-green);
  --color-link-hover: color-mix(in srgb, var(--color-moss-green) 80%, #000000);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;

  --text-caption: 0.75rem;
  --text-small: 0.875rem;
  --text-body: 1rem;
  --text-h3: 1.5rem;
  --text-h2: 2rem;
  --text-h1: 2.75rem;

  --line-height-tight: 1.2;
  --line-height-normal: 1.5;

  --shadow-soft: 0 4px 20px rgba(75, 94, 122, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--brand-font-family);
  font-size: var(--text-body);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background: var(--color-background);
}

main {
  max-width: 72rem;
  margin: 0 auto;
  padding: var(--space-7) var(--space-5);
}

h1,
h2,
h3,
h4 {
  margin-top: 0;
  color: var(--color-heading);
  line-height: var(--line-height-tight);
}

h1 {
  font-size: var(--text-h1);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: var(--text-h2);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: var(--text-h3);
  margin-bottom: var(--space-3);
}

p {
  margin-top: 0;
  margin-bottom: var(--space-4);
  max-width: 68ch;
}

a {
  color: var(--color-link);
  text-underline-offset: 0.12em;
}

a:hover,
a:focus-visible {
  color: var(--color-link-hover);
}

.section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: var(--space-6);
  margin-bottom: var(--space-5);
}

.hero-intro {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.hero-copy {
  flex: 1;
}

.brand-mark {
  display: block;
  width: 4.5rem;
  height: auto;
  flex-shrink: 0;
}

.tagline {
  color: var(--color-moss-green);
  font-weight: 600;
}

.kicker {
  font-size: var(--text-small);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-sage-green);
  margin-bottom: var(--space-2);
}

.caption {
  font-size: var(--text-caption);
  color: color-mix(in srgb, var(--color-text) 70%, #ffffff);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-moss-green);
  color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: color-mix(in srgb, var(--color-moss-green) 85%, #000000);
}

.btn-secondary {
  background: transparent;
  color: var(--color-deep-slate-blue);
  border-color: var(--color-deep-slate-blue);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: color-mix(in srgb, var(--color-deep-slate-blue) 8%, #ffffff);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: var(--space-4);
}

.card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.card h3 {
  margin-bottom: var(--space-2);
}

.palette {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: var(--space-3);
}

.swatch {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: #ffffff;
}

.swatch-sample {
  height: 4.5rem;
}

.swatch-meta {
  padding: var(--space-3);
}

.swatch-name {
  display: block;
  font-weight: 600;
}

.swatch-hex {
  font-size: var(--text-small);
}

@media (max-width: 640px) {
  .hero-intro {
    flex-direction: column;
  }
}