/* Free Slug Generator — shared theme
   Tokens, reset, layout, type, header/footer, controls.
   Page-specific rules live in home.css (and later page sheets). */

:root {
  --font-display: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --font-ui: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --font-body: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Cascadia Mono", "Consolas", monospace;

  --paper: #f4f0e8;
  --paper-2: #ebe4d6;
  --paper-3: #fffbf4;
  --ink: #161310;
  --ink-2: #4a433a;
  --ink-3: #7a7268;
  --line: #d6ccba;
  --accent: #e85d04;
  --accent-ink: #9a3b02;
  --accent-soft: #fde8d8;
  --teal: #0e7c66;
  --teal-soft: #d5f0e8;
  --danger: #b42318;
  --rail: #161310;
  --rail-fg: #f4f0e8;
  --shadow: 0 18px 40px rgba(22, 19, 16, 0.08);
  --grain: url("../img/texture-grain.jpg");

  --wrap: 1180px;
  --prose: 42rem;
  --header: 4.25rem;
  --radius: 2px;
  --radius-lg: 18px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);

  color-scheme: light;
}

[data-theme="dark"] {
  --paper: #12100e;
  --paper-2: #1c1915;
  --paper-3: #24201b;
  --ink: #f3eee6;
  --ink-2: #c4bbb0;
  --ink-3: #8e857a;
  --line: #3a342c;
  --accent: #ff8a3d;
  --accent-ink: #ffd0b0;
  --accent-soft: #3a2418;
  --teal: #3ddc97;
  --teal-soft: #163328;
  --danger: #ff6b5c;
  --rail: #0c0b09;
  --rail-fg: #f3eee6;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.68;
  font-weight: 400;
  color: var(--ink);
  background-color: var(--paper);
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  background: radial-gradient(1200px 500px at 8% -10%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 55%);
  opacity: 0.9;
  z-index: 0;
}

body::after {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image: var(--grain);
  background-size: 420px 420px;
  mix-blend-mode: multiply;
  opacity: 0.22;
}

[data-theme="dark"] body::after {
  mix-blend-mode: overlay;
  opacity: 0.07;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent-ink);
  text-underline-offset: 0.18em;
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 80;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 0.9rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
}

.skip-link:focus {
  top: 0.8rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.wrap {
  width: min(var(--wrap), calc(100% - 2.5rem));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  border-top: 3px solid var(--accent);
}

.header-inner {
  min-height: var(--header);
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: block;
  flex-shrink: 0;
  color: var(--accent);
  border-radius: 11px;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.025em;
}

.brand-meta {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-transform: none;
  color: var(--ink-3);
}

.brand-type {
  display: flex;
  flex-direction: column;
  line-height: 1.12;
}

.ico {
  display: block;
  flex-shrink: 0;
}

.nav {
  margin-left: auto;
  display: flex;
  gap: 1.15rem;
}

.nav a.is-active {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--accent);
}

.nav a {
  font-family: var(--font-ui);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ink-2);
  text-decoration: none;
  padding-bottom: 0.2rem;
}

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

.header-tools {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.theme-switch {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid var(--line);
  background: var(--paper-3);
  color: var(--ink);
  padding: 0.2rem 0.55rem 0.2rem 0.2rem;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.theme-switch-track {
  width: 28px;
  height: 28px;
  overflow: hidden;
  background: var(--paper-2);
  display: grid;
  place-items: center;
}

.theme-ico {
  width: 16px;
  height: 16px;
}

[data-theme="light"] .theme-ico-moon,
[data-theme="dark"] .theme-ico-sun {
  display: none;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: var(--paper-3);
  cursor: pointer;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--ink);
  position: relative;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bars::before { top: -5px; }
.nav-toggle-bars::after { top: 5px; }

.mobile-nav {
  display: none;
  border-top: 1px solid var(--line);
  background: var(--paper-3);
  padding: 0.75rem 1.25rem 1rem;
}

.mobile-nav a {
  display: block;
  padding: 0.55rem 0;
  font-family: var(--font-ui);
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

code {
  font-family: var(--font-ui), monospace;
  font-size: 0.9em;
  background: var(--paper-2);
  padding: 0.05em 0.35em;
  border: 1px solid var(--line);
}

.btn {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  padding: 0.72rem 1rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  text-decoration: none;
  transition: transform 0.12s var(--ease), background 0.12s var(--ease);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-primary:hover {
  color: #fff;
  filter: brightness(1.05);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.eyebrow {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-ink);
  margin: 0 0 0.8rem;
}

h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0;
}

.lede {
  font-size: 1.12rem;
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 38rem;
  font-weight: 400;
}

.prose {
  max-width: var(--prose);
}

.prose h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  margin: 2.4rem 0 0.8rem;
}

.prose h3 {
  font-size: 1.35rem;
  margin: 1.8rem 0 0.55rem;
  letter-spacing: -0.03em;
}

.prose p {
  margin: 0 0 1rem;
}

.prose ul,
.prose ol {
  padding-left: 1.2rem;
}

.prose li {
  margin: 0.35rem 0;
}

.prose blockquote {
  margin: 1.4rem 0;
  padding: 0.2rem 0 0.2rem 1rem;
  border-left: 3px solid var(--accent);
  font-style: italic;
  color: var(--ink-2);
}

.note {
  background: var(--paper-3);
  border: 1px solid var(--line);
  padding: 1rem 1.1rem;
  margin: 1.2rem 0;
}

.note strong {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.35rem;
}

.kicker-rule {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 1.5rem;
}

.kicker-rule::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--line);
}

.site-footer {
  margin-top: 4rem;
  border-top: 1px solid var(--line);
  background: var(--paper-2);
  padding: 2.5rem 0 1.4rem;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 2rem;
}

.footer-brand {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}

.footer-brand .brand-mark {
  width: 40px;
  height: 40px;
}

.footer-heading {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: var(--font-ui);
  margin-bottom: 0.6rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links a {
  text-decoration: none;
  color: var(--ink-2);
  font-family: var(--font-ui);
  font-size: 0.92rem;
}

.footer-quiet {
  color: var(--ink-3);
  font-size: 0.95rem;
}

.footer-base a {
  color: inherit;
  text-decoration: none;
}

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

@media (max-width: 980px) {
  .nav { display: none; }
  .nav-toggle { display: grid; place-items: center; }
  .mobile-nav.is-open { display: block; }
  .theme-switch-label { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .header-inner { gap: 0.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}