/* ==========================================================================
   Facebook Fonts — design tokens & base
   ========================================================================== */

:root {
  --ink: #15132b;
  --ink-soft: #4a4560;
  --ink-faint: #8783a0;

  --surface: #ffffff;
  --surface-tint: #f5f3fc;
  --surface-deep: #15132b;

  --accent: #6c4cff;
  --accent-strong: #4e31e0;
  --accent-soft: #ede9ff;

  --proof: #e6432e;
  --proof-soft: #fce6e2;

  --line: #e4e0f5;

  --radius-card: 14px;
  --shadow-card: 0 1px 2px rgba(21, 19, 43, 0.06), 0 8px 24px -12px rgba(21, 19, 43, 0.18);

  --font-display: "Fraunces", Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --font-body: "Manrope", -apple-system, BlinkMacSystemFont, sans-serif;

  --container-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  margin: 0;
  color: var(--ink);
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

button {
  font: inherit;
  cursor: pointer;
}

::selection {
  background: var(--accent);
  color: #fff;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-card);
}

.skip-link:focus {
  left: 16px;
  top: 16px;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 640px) {
  .container {
    padding: 0 24px;
  }
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
}

@media (min-width: 640px) {
  .header-inner {
    padding: 12px 24px;
  }
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-word {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: 20px;
  color: var(--ink);
}

.logo-word--light {
  color: #fff;
  font-size: 18px;
}

.logo-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  margin-top: 2px;
}

.nav-primary {
  display: none;
}

.nav-primary ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 24px;
  margin: 0;
  padding: 0;
}

.nav-primary a {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  transition: color 0.15s ease;
}

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

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-card);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
}

.nav-mobile {
  border-top: 1px solid var(--line);
  background: #fff;
}

.nav-mobile ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 8px 16px;
}

.nav-mobile li {
  border-bottom: 1px solid rgba(228, 224, 245, 0.7);
}

.nav-mobile li:last-child {
  border-bottom: none;
}

.nav-mobile a {
  display: block;
  padding: 12px 0;
  font-family: var(--font-mono);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

@media (min-width: 900px) {
  .nav-primary {
    display: block;
  }
  .nav-toggle,
  .nav-mobile {
    display: none;
  }
}

/* ==========================================================================
   Sections
   ========================================================================== */

.section {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.section--tint {
  background: var(--surface-tint);
}

.section--flush {
  border-top: none;
}

.section-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 56px 16px;
}

@media (min-width: 640px) {
  .section-inner {
    padding: 64px 24px;
  }
}

.section-inner--hero {
  padding-top: 40px;
}

@media (min-width: 640px) {
  .section-inner--hero {
    padding-top: 56px;
  }
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 0 0 12px;
}

.section-heading {
  margin-bottom: 4px;
}

.section-heading .eyebrow {
  margin-bottom: 8px;
}

.section-heading h2 {
  font-size: 28px;
}

@media (min-width: 640px) {
  .section-heading h2 {
    font-size: 32px;
  }
}

.h1-hero {
  font-size: 36px;
  font-weight: 500;
  max-width: 18ch;
  line-height: 1.05;
  margin: 12px 0 0;
}

@media (min-width: 640px) {
  .h1-hero {
    font-size: 48px;
  }
}

.lede {
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.6;
  margin: 16px 0 0;
}

@media (min-width: 640px) {
  .lede {
    font-size: 18px;
  }
}

.prose {
  max-width: 70ch;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.7;
}

.prose p + p,
.prose ul,
.prose ol {
  margin-top: 14px;
}

.prose h2, .prose h3 {
  color: var(--ink);
  margin-top: 28px;
}

.prose h2 {
  font-size: 21px;
}

.prose h3 {
  font-size: 18px;
}

.prose ul, .prose ol {
  padding-left: 20px;
}

.prose li + li {
  margin-top: 8px;
}

.prose a,
.text-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.prose a:hover,
.text-link:hover {
  color: var(--accent-strong);
}

.mono-note {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
}

.mono-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  margin: 0 0 12px;
}

/* ==========================================================================
   Cards & grids
   ========================================================================== */

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 20px;
}

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

.info-card,
.link-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 20px;
  background: var(--surface);
}

.link-card {
  transition: border-color 0.15s ease;
}

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

.info-card h3,
.link-card h3 {
  font-size: 18px;
}

.info-card p,
.link-card p {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 20px;
}

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

@media (min-width: 900px) {
  .showcase-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.showcase-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 16px;
  background: #fff;
}

.showcase-card .mono-note {
  margin-bottom: 8px;
}

.showcase-card .showcase-output {
  font-size: 20px;
  color: var(--ink);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn-primary,
.btn-outline,
.btn-ghost,
.btn-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 10px 22px;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

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

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-outline {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn-outline:hover {
  background: var(--accent);
  color: #fff;
}

.btn-chip {
  border-color: var(--line);
  color: var(--ink-soft);
  background: transparent;
  font-size: 11px;
  padding: 7px 14px;
}

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

/* ==========================================================================
   Generator
   ========================================================================== */

.generator {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: #fff;
  box-shadow: var(--shadow-card);
  padding: 16px;
}

@media (min-width: 640px) {
  .generator {
    padding: 24px;
  }
}

.font-input {
  width: 100%;
  resize: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-tint);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--ink);
}

.font-input::placeholder {
  color: var(--ink-faint);
}

.font-input:focus-visible {
  border-color: var(--accent);
  outline: 2px solid rgba(108, 76, 255, 0.25);
  outline-offset: 0;
}

.generator-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 12px;
}

.unicode-note {
  margin-top: 16px;
  max-width: 70ch;
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-faint);
}

.featured-section,
.more-section {
  margin-top: 24px;
}

.style-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 12px;
}

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

.style-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: #fff;
  box-shadow: var(--shadow-card);
  padding: 16px;
}

.style-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.style-card-meta {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.style-card-index {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
}

.style-card-name {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.style-card-output {
  margin-top: 12px;
  font-size: 20px;
  line-height: 1.4;
  color: var(--ink);
  word-break: break-word;
}

.copy-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  border: 1px solid rgba(108, 76, 255, 0.3);
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

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

.copy-btn.copied {
  border-color: var(--proof);
  background: var(--proof-soft);
  color: var(--proof);
}

.load-more-wrap {
  margin-top: 24px;
  display: flex;
  justify-content: center;
}

/* ==========================================================================
   FAQ (native details/summary — no JS required)
   ========================================================================== */

.faq {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.faq-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--ink);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--accent);
  transition: transform 0.2s ease;
  margin-top: 2px;
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-item p {
  margin-top: 12px;
  max-width: 65ch;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ==========================================================================
   Breadcrumbs
   ========================================================================== */

.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 6px;
}

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

.breadcrumbs span[aria-current] {
  color: var(--ink-soft);
}

/* ==========================================================================
   Ad slot
   ========================================================================== */

.ad-slot {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.ad-slot-placeholder {
  width: 100%;
  height: 100%;
  min-height: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--line);
  border-radius: var(--radius-card);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
}

.ad-slot-band {
  border-top: 1px solid var(--line);
  background: #fff;
  padding: 32px 0;
}

/* ==========================================================================
   Cookie notice
   ========================================================================== */

.cookie-notice {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--line);
}

.cookie-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
}

.cookie-inner p {
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.cookie-inner a {
  color: var(--accent);
  text-decoration: underline;
}

.cookie-inner button {
  flex-shrink: 0;
  align-self: flex-start;
  border: none;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 10px 18px;
}

.cookie-inner button:hover {
  background: var(--accent);
}

@media (min-width: 640px) {
  .cookie-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
  }
  .cookie-inner button {
    align-self: auto;
  }
}

/* ==========================================================================
   Contact form
   ========================================================================== */

.contact-form {
  margin-top: 24px;
  max-width: 520px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  margin-bottom: 6px;
}

.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-tint);
  padding: 10px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
}

.form-field textarea {
  resize: none;
}

.form-field input:focus-visible,
.form-field textarea:focus-visible {
  border-color: var(--accent);
  outline: 2px solid rgba(108, 76, 255, 0.25);
  outline-offset: 0;
}

.form-note {
  font-size: 12px;
  color: var(--ink-faint);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  margin-top: 80px;
  background: var(--surface-deep);
  color: #fff;
}

.footer-inner {
  padding: 56px 16px;
}

@media (min-width: 640px) {
  .footer-inner {
    padding: 56px 24px;
  }
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  grid-column: span 2;
}

@media (min-width: 640px) {
  .footer-brand {
    grid-column: span 1;
  }
}

.footer-brand p {
  margin-top: 12px;
  max-width: 32ch;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-col h2 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 400;
}

.footer-col ul {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.15s ease;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  max-width: 75ch;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom .copyright {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.4);
}

/* ==========================================================================
   404
   ========================================================================== */

.error-page {
  padding-top: 64px;
  padding-bottom: 64px;
}

.error-page .btn-primary {
  margin-top: 24px;
}