/* Hexagons.dev — site chrome (dark default, light toggle) */

[data-theme="dark"],
:root:not([data-theme="light"]) {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface-elevated: #243044;
  --text: #e8edf4;
  --muted: #9aa8bc;
  --border: #2d3a4f;
  --accent: #2dd4bf;
  --accent-hover: #5eead4;
  --accent-muted: rgba(45, 212, 191, 0.15);
  --focus-ring: #2dd4bf;
  --danger: #f87171;
  --input-bg: #121a26;
  --shadow: rgba(0, 0, 0, 0.35);
}

[data-theme="light"] {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-elevated: #eef1f6;
  --text: #1a2332;
  --muted: #5c6b80;
  --border: #d0d7e2;
  --accent: #0d9488;
  --accent-hover: #0f766e;
  --accent-muted: rgba(13, 148, 136, 0.12);
  --focus-ring: #0d9488;
  --danger: #dc2626;
  --input-bg: #ffffff;
  --shadow: rgba(26, 35, 50, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 var(--shadow);
}

.site-header__inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-wordmark {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.site-wordmark:hover {
  color: var(--accent);
  text-decoration: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

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

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent);
}

.site-nav a[aria-current="page"] {
  font-weight: 600;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-elevated);
  color: var(--muted);
  font-size: 0.85rem;
  cursor: pointer;
  font-family: inherit;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--text);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.theme-toggle[aria-pressed="true"] {
  color: var(--accent);
  border-color: var(--accent);
}

main {
  flex: 1;
  max-width: 72rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  width: 100%;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 1.5rem 1.25rem;
  margin-top: auto;
}

.site-footer__inner {
  max-width: 72rem;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--muted);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}

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

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

h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  line-height: 1.2;
}

h2 {
  font-size: 1.4rem;
  margin: 2rem 0 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

h3 {
  font-size: 1.1rem;
  margin: 1.5rem 0 0.5rem;
}

p {
  margin: 0 0 1rem;
}

.lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 42rem;
}

.banner {
  padding: 0.85rem 1rem;
  border-radius: 8px;
  background: var(--accent-muted);
  border: 1px solid var(--accent);
  color: var(--text);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.banner strong {
  color: var(--accent);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  transition: border-color 0.15s;
}

.card:hover {
  border-color: var(--accent);
}

.card h3 {
  margin-top: 0;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
}

.btn--primary {
  background: var(--accent);
  color: #0f1419;
}

[data-theme="light"] .btn--primary {
  color: #fff;
}

.btn--primary:hover {
  background: var(--accent-hover);
  color: #0f1419;
  text-decoration: none;
}

[data-theme="light"] .btn--primary:hover {
  color: #fff;
}

.btn--secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn--secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.badge {
  display: inline-block;
  font-size: 0.8rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: var(--accent-muted);
  color: var(--accent);
  font-weight: 600;
  margin-left: 0.35rem;
  vertical-align: middle;
}

ul, ol {
  margin: 0 0 1rem;
  padding-left: 1.35rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.form-group .hint {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  max-width: 32rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--input-bg);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
}

.form-group textarea {
  min-height: 6rem;
  resize: vertical;
  max-width: 42rem;
}

.form-group--wide input,
.form-group--wide textarea {
  max-width: 42rem;
}

.form-group .label-optional {
  font-weight: 400;
  color: var(--muted);
  font-size: 0.9em;
}

.form-group textarea.form-code {
  font-family: Consolas, "Cascadia Mono", "Courier New", monospace;
  font-size: 0.9rem;
  line-height: 1.45;
  min-height: 10rem;
  tab-size: 4;
}

.field-feedback {
  font-size: 0.85rem;
  margin-top: 0.35rem;
  min-height: 1.25em;
}

.field-feedback--ok {
  color: var(--accent);
}

.field-feedback--error {
  color: var(--danger);
}

.form-group input.input--invalid {
  border-color: var(--danger);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid var(--focus-ring);
  outline-offset: 0;
  border-color: var(--focus-ring);
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.turnstile-placeholder {
  min-height: 65px;
  margin: 1rem 0;
  padding: 1rem;
  border: 1px dashed var(--border);
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.85rem;
}

.form-status {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  display: none;
}

.form-status--error {
  display: block;
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid var(--danger);
  color: var(--danger);
}

.form-status--success {
  display: block;
  background: var(--accent-muted);
  border: 1px solid var(--accent);
  color: var(--text);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.5rem;
}