/* T041: xs breakpoint (default mobile-first styles) */
body {
  padding: 0 var(--space-2ch);
  /* T057: Prevent horizontal scroll */
  overflow-x: hidden;
  max-width: 100vw;
}

* {
  /* T057: Ensure no element causes horizontal scroll */
  max-width: 100%;
}

header,
main,
footer {
  margin-inline: auto;
}

section {
  padding-block: var(--space-4ch);
}

.layout-container {
  width: min(100%, 80rem);
  margin-inline: auto;
  padding-inline: var(--space-2ch);
}

/* T047: Mobile menu slide-in animation */
.mobile-nav {
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav:not([hidden]) {
  transform: translateX(0);
}

/* T055: Responsive typography scale (xs) */
:root {
  font-size: 14px;
}

h1 {
  font-size: var(--font-size-xl);
}

h2 {
  font-size: var(--font-size-lg);
}

h3 {
  font-size: var(--font-size-md);
}

/* T056: Responsive spacing adjustments (xs) */
.hero {
  padding: var(--space-2ch);
  gap: var(--space-2ch);
}

/* T052: Single-column layout for xs/sm */
.value-props__grid,
.docs-links__grid,
.showcase__grid {
  grid-template-columns: 1fr;
}

/* Site header styles moved to components.css for consistency across breakpoints */

/* Mobile-first: Hide desktop nav, show hamburger */
.primary-nav .layout-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.primary-nav__list {
  display: none;
}

.primary-nav__toggle {
  display: flex;
}

.mobile-nav[hidden] {
  display: none;
}

.value-props__grid,
.docs-links__grid,
.showcase__grid {
  display: grid;
  gap: var(--space-4ch);
}

.workflow__steps {
  counter-reset: steps;
  display: grid;
  gap: var(--space-2ch);
  padding: 0;
  margin: 0;
  list-style: none;
}

.workflow__steps li::before {
  counter-increment: steps;
  content: "[" counter(steps) "]";
  margin-right: var(--space-1ch);
  color: var(--ascii-cyan);
}

.showcase__filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2ch);
  margin-bottom: var(--space-4ch);
}

.showcase__filters button {
  border: 1px solid var(--border-secondary);
  padding: var(--space-1ch) var(--space-2ch);
}

.site-footer {
  display: grid;
  gap: var(--space-2ch);
}

.site-footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2ch);
}

.hero__art .hero__ascii--dynamic {
  display: block;
}

@media (max-width: 47.99rem) {
  .hero__art .hero__ascii--dynamic {
    display: none;
  }

  .hero__art .hero__ascii--compact {
    display: block;
  }
}

@media (max-width: 31.99rem) {
  .hero {
    padding: var(--space-1ch);
  }

  .hero__art {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-1ch);
  }

  .hero__art pre,
  .hero__art noscript pre {
    width: max-content;
    font-size: clamp(0.55rem, 2.5vw, 0.8rem);
    line-height: 1.25;
    margin: 0 auto;
  }

  .hero__art .hero__ascii--compact {
    width: 100%;
    max-width: 100%;
    font-size: clamp(0.8rem, 5vw, 1rem);
    line-height: 1.2;
    margin: 0 auto;
    border: 1px solid var(--border-secondary);
    background-color: rgba(0, 0, 0, 0.65);
    padding: var(--space-2ch);
  }
}

/* T042: sm breakpoint (640-1023px / 32rem-48rem) */
@media (min-width: 32rem) {
  :root {
    font-size: 15px;
  }

  .workflow__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  /* T053: 2-column grid for sm/md */
  .value-props__grid,
  .docs-links__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero {
    padding: var(--space-4ch);
  }
}

/* T043: md breakpoint (1024-1439px / 48rem-64rem) */
@media (min-width: 48rem) {
  :root {
    font-size: 16px;
  }

  body {
    padding: 0 var(--space-4ch);
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }

  /* Desktop: Show nav list, hide hamburger and mobile menu */
  .primary-nav__list {
    display: flex;
    gap: var(--space-2ch);
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .primary-nav__toggle {
    display: none;
  }

  .mobile-nav {
    display: none;
  }

  .showcase__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .docs-links__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* T044: lg breakpoint (1440px+ / 64rem+) */
@media (min-width: 64rem) {
  :root {
    font-size: 16px;
  }

  /* T054: 3-column grid for lg */
  .value-props__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  /* T055: Responsive typography scale (lg) */
  .hero__lead {
    font-size: var(--font-size-lg);
  }

  .hero__terminal pre {
    font-size: var(--font-size-sm);
  }

  h1 {
    font-size: var(--font-size-2xl);
  }

  .showcase__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .docs-links__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .workflow__steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .site-footer {
    grid-template-columns: auto 1fr;
    align-items: center;
  }

  /* T056: Responsive spacing adjustments (lg) */
  section {
    padding-block: var(--space-6ch);
  }

  /* why.html responsive grids (lg) */
  .comparison-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* why.html responsive - md breakpoint additions */
@media (min-width: 48rem) {
  .comparison-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  /* use-cases.html 2-column grid */
  .use-case-2col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}