/* ============================================================
   Longthread Marketing Site — Design System
   ============================================================
   
   Brand voice: Infinite, Precise, Unstoppable
   Palette: Dark obsidian + warm amber thread
   Typography: Fraunces (display) + DM Sans (body)
   Color: OKLCH throughout
   ============================================================ */

/* --- Custom Properties --- */
:root {
  /* Primary — warm amber thread */
  --color-primary-50: oklch(98% 0.02 85);
  --color-primary-100: oklch(94% 0.06 85);
  --color-primary-200: oklch(88% 0.10 85);
  --color-primary-300: oklch(80% 0.14 85);
  --color-primary-400: oklch(75% 0.15 85);
  --color-primary-500: oklch(70% 0.16 80);
  --color-primary-600: oklch(62% 0.16 75);
  --color-primary-700: oklch(52% 0.14 70);

  /* Neutral — warm dark */
  --color-neutral-950: oklch(10% 0.01 75);
  --color-neutral-900: oklch(14% 0.01 75);
  --color-neutral-800: oklch(18% 0.01 75);
  --color-neutral-700: oklch(24% 0.012 75);
  --color-neutral-600: oklch(32% 0.012 75);
  --color-neutral-500: oklch(42% 0.012 75);
  --color-neutral-400: oklch(63% 0.012 75);
  --color-neutral-300: oklch(68% 0.012 75);
  --color-neutral-200: oklch(80% 0.01 75);
  --color-neutral-100: oklch(90% 0.008 75);

  /* Semantic */
  --color-success: oklch(72% 0.16 150);
  --color-error: oklch(62% 0.18 25);
  --color-warning: oklch(78% 0.15 80);
  --color-info: oklch(65% 0.15 240);

  /* Surfaces */
  --surface-base: var(--color-neutral-950);
  --surface-raised: var(--color-neutral-900);
  --surface-overlay: var(--color-neutral-800);

  /* Text */
  --text-primary: var(--color-neutral-100);
  --text-secondary: var(--color-neutral-300);
  --text-tertiary: var(--color-neutral-400);
  --text-on-primary: var(--color-neutral-950);

  /* Spacing scale (8px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Typography */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'SFMono-Regular', 'Menlo', 'Monaco', 'Consolas', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;
  --text-6xl: 4.5rem;

  /* Borders */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  --border-subtle: 1px solid oklch(100% 0 0 / 0.06);
  --border-default: 1px solid oklch(100% 0 0 / 0.1);

  /* Shadows */
  --shadow-sm: 0 1px 2px oklch(0% 0 0 / 0.3);
  --shadow-md: 0 4px 12px oklch(0% 0 0 / 0.4);
  --shadow-lg: 0 8px 32px oklch(0% 0 0 / 0.5);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;

  /* Layout */
  --container-max: 72rem;
  --container-px: var(--space-6);
}

/* --- Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--surface-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary-400);
  color: var(--text-on-primary);
  border-radius: var(--radius-md);
  font-weight: 600;
  z-index: 1000;
  transition: top var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
  top: var(--space-4);
}

/* --- Focus --- */
:focus-visible {
  outline: 2px solid var(--color-primary-400);
  outline-offset: 2px;
}

/* --- Thread Line (decorative) --- */
.thread-line {
  position: fixed;
  top: 0;
  right: 10%;
  width: 1px;
  height: 100vh;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    oklch(75% 0.15 80 / 0.08) 20%,
    oklch(75% 0.15 80 / 0.15) 50%,
    oklch(75% 0.15 80 / 0.08) 80%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 0;
}

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  line-height: 1;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  white-space: nowrap;
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary-400);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--color-primary-400);
  color: var(--text-on-primary);
}

.btn-primary:hover {
  background: var(--color-primary-300);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px oklch(75% 0.15 80 / 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
}

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-default);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: var(--border-default);
}

.btn-outline:hover {
  background: oklch(100% 0 0 / 0.05);
  border-color: oklch(100% 0 0 / 0.15);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn-block {
  width: 100%;
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: oklch(10% 0.01 75 / 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: var(--border-subtle);
}

.nav {
  display: flex;
  align-items: center;
  height: 4rem;
  gap: var(--space-8);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}

.logo-mark {
  color: var(--color-primary-400);
}

.nav-links {
  display: flex;
  gap: var(--space-6);
  margin-left: auto;
}

.nav-links a {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: color var(--duration-fast);
}

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

.nav-actions {
  margin-left: var(--space-4);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  margin-left: auto;
}

.mobile-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 1px;
  transition: all var(--duration-fast) var(--ease-out);
}

/* --- Hero --- */
.hero {
  position: relative;
  padding: var(--space-32) 0 var(--space-20);
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 48rem;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
  animation: fadeUp 0.8s var(--ease-out) both;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-8);
  animation: fadeUp 0.8s var(--ease-out) 0.1s both;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-primary-300), var(--color-primary-500));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
}

.hero-subtitle {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 38rem;
  margin-bottom: var(--space-10);
  animation: fadeUp 0.8s var(--ease-out) 0.2s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
  animation: fadeUp 0.8s var(--ease-out) 0.3s both;
}

.hero-code {
  background: var(--surface-raised);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  max-width: 40rem;
  animation: fadeUp 0.8s var(--ease-out) 0.4s both;
}

.code-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-bottom: var(--border-subtle);
}

.code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-neutral-700);
}

.code-dot:first-child { background: oklch(65% 0.18 25); }
.code-dot:nth-child(2) { background: oklch(78% 0.15 80); }
.code-dot:nth-child(3) { background: oklch(72% 0.16 150); }

.code-lang {
  margin-left: auto;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.hero-code pre {
  padding: var(--space-4) var(--space-5);
  overflow-x: auto;
  font-size: var(--text-sm);
  line-height: 1.7;
}

.hero-code code {
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

.code-prompt {
  color: var(--color-primary-400);
  user-select: none;
}

.code-highlight {
  color: var(--color-primary-300);
}

.code-comment {
  color: var(--text-tertiary);
}

.hero-glow {
  position: absolute;
  top: 20%;
  right: -10%;
  width: 50rem;
  height: 50rem;
  background: radial-gradient(circle, oklch(75% 0.15 80 / 0.06) 0%, transparent 60%);
  pointer-events: none;
}

/* --- Trust Bar --- */
.trust-bar {
  padding: var(--space-10) 0;
  border-top: var(--border-subtle);
  border-bottom: var(--border-subtle);
}

.trust-bar .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.trust-label {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
}

.trust-logos {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.trust-logo {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

.trust-divider {
  width: 1px;
  height: 16px;
  background: var(--border-default);
}

/* --- Sections (shared) --- */
.section {
  padding: var(--space-24) 0;
  position: relative;
}

.section-header {
  max-width: 40rem;
  margin-bottom: var(--space-16);
}

.section-eyebrow {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- How it Works (layers) --- */
.section-how {
  background: var(--surface-raised);
}

.layers-visual {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 42rem;
}

.layer {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  gap: var(--space-6);
  align-items: start;
  padding: var(--space-8) 0;
  border-bottom: var(--border-subtle);
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--duration-slow) var(--ease-out);
}

.layer:last-child {
  border-bottom: none;
}

.layer.visible {
  opacity: 1;
  transform: translateY(0);
}

.layer-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.layer-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: oklch(100% 0 0 / 0.05);
  border: var(--border-default);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary-400);
  font-weight: 600;
}

.layer-line {
  width: 1px;
  height: 2rem;
  background: var(--border-default);
}

.layer h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.layer p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.layer-badge {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: 999px;
  background: oklch(100% 0 0 / 0.05);
  color: var(--text-tertiary);
  border: var(--border-subtle);
  white-space: nowrap;
}

.layer[data-layer="summaries"] .layer-number {
  border-color: var(--color-primary-400);
  background: oklch(75% 0.15 80 / 0.1);
}

/* --- Features Grid --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.feature-card {
  padding: var(--space-8);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  background: var(--surface-raised);
  transition: all var(--duration-normal) var(--ease-out);
}

.feature-card:hover {
  border-color: oklch(100% 0 0 / 0.1);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  color: var(--color-primary-400);
  margin-bottom: var(--space-5);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: var(--text-sm);
}

/* --- Pricing --- */
.section-pricing {
  background: var(--surface-raised);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.pricing-card {
  padding: var(--space-8);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  background: var(--surface-base);
  position: relative;
  transition: border-color var(--duration-normal);
}

.pricing-card:hover {
  border-color: oklch(100% 0 0 / 0.12);
}

.pricing-card-featured {
  border-color: var(--color-primary-400);
  box-shadow: 0 0 0 1px var(--color-primary-400), 0 8px 32px oklch(75% 0.15 80 / 0.1);
}

.pricing-card-featured:hover {
  border-color: var(--color-primary-300);
}

.pricing-badge {
  position: absolute;
  top: calc(-1 * var(--space-3));
  left: var(--space-8);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: 999px;
  background: var(--color-primary-400);
  color: var(--text-on-primary);
}

.pricing-header h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.pricing-desc {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.pricing-price {
  margin: var(--space-6) 0;
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.price-amount {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 300;
  letter-spacing: -0.02em;
}

.price-period {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.pricing-features {
  margin-bottom: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.pricing-features li {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding-left: var(--space-5);
  position: relative;
}

.pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary-400);
}

/* --- CTA Section --- */
.section-cta {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-content {
  max-width: 40rem;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.cta-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-10);
}

.cta-code {
  background: var(--surface-raised);
  border: var(--border-subtle);
  border-radius: var(--radius-xl);
  text-align: left;
  margin-bottom: var(--space-10);
  overflow: hidden;
}

.cta-code pre {
  padding: var(--space-5) var(--space-6);
  overflow-x: auto;
}

.cta-code code {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--text-secondary);
}

.cta-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-glow {
  position: absolute;
  bottom: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 60rem;
  height: 40rem;
  background: radial-gradient(circle, oklch(75% 0.15 80 / 0.05) 0%, transparent 60%);
  pointer-events: none;
}

/* --- Footer --- */
.site-footer {
  padding: var(--space-16) 0 var(--space-8);
  border-top: var(--border-subtle);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-16);
  margin-bottom: var(--space-12);
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-top: var(--space-3);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.footer-col h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.footer-col a {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  transition: color var(--duration-fast);
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-col li + li {
  margin-top: var(--space-2);
}

.footer-bottom {
  padding-top: var(--space-6);
  border-top: var(--border-subtle);
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

/* --- Animations --- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* ============================================================
   Responsive
   ============================================================ */

/* Tablet */
@media (max-width: 64em) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-card:last-child {
    grid-column: span 2;
    max-width: 24rem;
    justify-self: center;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

/* Mobile */
@media (max-width: 48em) {
  :root {
    --container-px: var(--space-5);
  }

  .nav-links,
  .nav-actions {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  /* Mobile menu open state */
  .nav.mobile-open .nav-links,
  .nav.mobile-open .nav-actions {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface-base);
    border-bottom: var(--border-default);
    padding: var(--space-6) var(--container-px);
    gap: var(--space-4);
  }

  .nav.mobile-open .nav-actions {
    border-top: var(--border-subtle);
    padding-top: var(--space-4);
  }

  .nav.mobile-open .mobile-menu-btn span:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
  }
  .nav.mobile-open .mobile-menu-btn span:nth-child(2) {
    opacity: 0;
  }
  .nav.mobile-open .mobile-menu-btn span:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
  }

  .hero {
    padding: var(--space-24) 0 var(--space-16);
    min-height: auto;
  }

  .hero-title {
    font-size: clamp(var(--text-3xl), 8vw, var(--text-4xl));
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card:last-child {
    grid-column: auto;
    max-width: none;
  }

  .section {
    padding: var(--space-16) 0;
  }

  .layer {
    grid-template-columns: 2.5rem 1fr;
  }

  .layer-badge {
    grid-column: 2;
    margin-top: calc(-1 * var(--space-2));
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }

  .thread-line {
    display: none;
  }
}

/* Small mobile */
@media (max-width: 30em) {
  .hero-subtitle {
    font-size: var(--text-base);
  }

  .trust-bar .container {
    flex-direction: column;
    gap: var(--space-3);
  }

  .trust-logos {
    flex-direction: column;
    gap: var(--space-2);
  }

  .trust-divider {
    display: none;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }
}