/* Peckware LLC — shared site styles */

:root {
  /* Nord — Snow Storm (light theme) */
  --color-bg: #eceff4;
  --color-text: #2e3440;
  --color-muted: #4c566a;
  --color-border: #d8dee9;
  --color-accent: #5e81ac;
  --color-accent-dark: #81a1c1;
  --color-surface: #e5e9f0;
  --color-on-accent: #eceff4;
  --max-width: 780px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

a {
  color: var(--color-accent);
}

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

header.site-header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-bg);
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
}

.site-header .brand {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--color-text);
  text-decoration: none;
}

.site-header nav a {
  margin-left: 1.5rem;
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.95rem;
}

.site-header nav a:hover {
  color: var(--color-accent);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

main {
  padding: 1rem 0 4rem;
}

.hero {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 4rem 0;
  text-align: center;
}

.hero .tagline {
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
}

h1 {
  font-size: 2.25rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 1.4rem;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

h3 {
  font-size: 1.1rem;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

p {
  color: var(--color-text);
}

.tagline {
  color: var(--color-muted);
  font-size: 1.1rem;
  margin-top: 0;
}

section {
  margin-bottom: 2rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.25rem;
  background: var(--color-bg);
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.feature:hover {
  border-color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(46, 52, 64, 0.08);
}

.feature p {
  color: var(--color-muted);
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 480px;
}

label {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
  display: block;
}

input,
textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  color: var(--color-text);
}

input:focus,
textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-status {
  min-height: 1.2rem;
  margin: 0;
  font-size: 0.9rem;
}

.form-status.success {
  color: #a3be8c;
}

.form-status.error {
  color: #bf616a;
}

button {
  align-self: flex-start;
  background: var(--color-accent);
  color: var(--color-on-accent);
  border: none;
  padding: 0.65rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background: var(--color-accent-dark);
}

.btn {
  display: inline-block;
  margin-top: 1.5rem;
  background: var(--color-accent);
  color: var(--color-on-accent);
  text-decoration: none;
  padding: 0.7rem 1.75rem;
  font-weight: 600;
  border-radius: 6px;
}

.btn:hover {
  background: var(--color-accent-dark);
  color: var(--color-on-accent);
}

footer.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

footer.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
}

footer.site-footer a {
  color: var(--color-muted);
}

ul {
  padding-left: 1.25rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Nord — Polar Night (dark theme) */
    --color-bg: #2e3440;
    --color-text: #eceff4;
    --color-muted: #d8dee9;
    --color-border: #4c566a;
    --color-surface: #3b4252;
    --color-accent: #81a1c1;
    --color-accent-dark: #88c0d0;
    --color-on-accent: #2e3440;
  }
}