/* ============================================================
   Buildaburger — design tokens
   ============================================================ */

:root {
  /* Surfaces & ink */
  --bg:           #F4EFE3;   /* warm paper */
  --surface:      #FBF8EF;   /* card */
  --surface-warm: #F0E9D6;   /* hover / divider */
  --ink:          #1B1714;   /* primary text */
  --ink-soft:     #4A423D;   /* secondary text */
  --ink-mute:     #7A7066;   /* tertiary text */
  --rule:         #DDD5C2;   /* hairlines */

  /* State colors — mapped to the cooking metaphor */
  --raw:    #A89B82;   /* oat / parchment — sitting on the counter */
  --grill:  #C9921F;   /* mustard heat — actively cooking */
  --served: #4D6B33;   /* pickle — finished */

  /* Sparing accent */
  --ketchup: #A8341F;  /* used only for emphasized links */

  /* Typography */
  --font-display: "Archivo Black", "Impact", system-ui, sans-serif;
  --font-ui:      "Familjen Grotesk", system-ui, -apple-system, sans-serif;
  --font-body:    "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", monospace;

  /* Scale & rhythm */
  --max-width:    1080px;
  --gutter:       clamp(1.25rem, 3vw, 2rem);
}

/* ============================================================
   Reset & base
   ============================================================ */

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.6;
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: var(--ink-mute);
  transition: text-decoration-color 0.15s ease;
}

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

a:focus-visible {
  outline: 2px solid var(--ketchup);
  outline-offset: 3px;
  border-radius: 2px;
}

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

/* ============================================================
   Header — slim sticky bar with logo
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(8px);
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.875rem var(--gutter);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  line-height: 1;
}

.logo:hover { text-decoration: none; }

.logo__mark {
  display: inline-block;
  transform: skewX(-6deg);
}

.site-header__nav {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

/* ============================================================
   Hero (home page only)
   ============================================================ */

.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem var(--gutter) 3rem;
  border-bottom: 1px solid var(--rule);
}

.hero__eyebrow {
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--grill);
  margin: 0 0 1.5rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
  margin: 0 0 1.5rem;
  color: var(--ink);
}

.hero__tagline {
  font-family: var(--font-ui);
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  font-weight: 500;
  line-height: 1.35;
  margin: 0 0 2rem;
  max-width: 38ch;
  color: var(--ink-soft);
}

.hero__thesis {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  max-width: 62ch;
  color: var(--ink-soft);
}

/* ============================================================
   Section header (Served / On the Grill / Raw Ingredients)
   ============================================================ */

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem var(--gutter) 1rem;
}

.section + .section { padding-top: 1.5rem; }

.section__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1;
}

.section__title--served { color: var(--served); }
.section__title--grill  { color: var(--grill); }
.section__title--raw    { color: var(--raw); }

.section__count {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-mute);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* ============================================================
   Burger cards (grid)
   ============================================================ */

.burgers {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.burger-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--rule);
  padding: 1.5rem 1.5rem 1.25rem;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.burger-card:hover {
  transform: translateY(-2px);
  border-color: var(--ink-soft);
  box-shadow: 0 8px 24px -12px rgba(27, 23, 20, 0.18);
  text-decoration: none;
}

.burger-card__stamp-wrap {
  display: flex;
  justify-content: flex-end;
  margin: -0.5rem -0.5rem 0 0;
}

.burger-card__title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}

.burger-card__summary {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0;
  flex-grow: 1;
}

.burger-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--rule);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--ink-mute);
}

.burger-card__date::before {
  content: "▸ ";
  color: var(--ink-mute);
}

.burger-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-left: auto;
}

.tag {
  font-family: var(--font-ui);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.125rem 0.5rem;
  border: 1px solid var(--rule);
  background: var(--surface-warm);
  color: var(--ink-soft);
  border-radius: 2px;
}

/* ============================================================
   Doneness stamp — circular, hand-pressed feel
   The signature element.
   ============================================================ */

.stamp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 78px;
  height: 78px;
  border-radius: 50%;
  border: 3px solid currentColor;
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  line-height: 1;
  text-align: center;
  text-transform: uppercase;
  position: relative;
  flex-shrink: 0;
  user-select: none;
}

.stamp__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.stamp__top, .stamp__bottom {
  font-size: 0.5rem;
  letter-spacing: 0.16em;
  opacity: 0.6;
}

.stamp__main {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.stamp--raw    { color: var(--raw);    transform: rotate(-3deg); }
.stamp--grill  { color: var(--grill);  transform: rotate(2deg);  }
.stamp--served { color: var(--served); transform: rotate(-1deg); }

.stamp--lg {
  width: 140px;
  height: 140px;
  border-width: 4px;
}

.stamp--lg .stamp__main   { font-size: 1.25rem; letter-spacing: 0.04em; }
.stamp--lg .stamp__top,
.stamp--lg .stamp__bottom { font-size: 0.6875rem; letter-spacing: 0.22em; }

/* ============================================================
   Burger detail page
   ============================================================ */

.burger {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem var(--gutter) 5rem;
}

.burger__back {
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-mute);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 2.5rem;
}

.burger__back:hover {
  color: var(--ketchup);
  text-decoration: none;
}

.burger__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--rule);
}

.burger__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  line-height: 0.95;
  letter-spacing: -0.025em;
  margin: 0 0 1rem;
  color: var(--ink);
}

.burger__meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-mute);
  letter-spacing: 0.02em;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.burger__meta-item strong {
  font-weight: 500;
  color: var(--ink-soft);
  text-transform: uppercase;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  margin-right: 0.375rem;
}

.burger__body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
}

.burger__body h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: -0.015em;
  margin: 2.5rem 0 0.75rem;
  line-height: 1.15;
}

.burger__body h3 {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 1.0625rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  margin: 2rem 0 0.5rem;
}

.burger__body p { margin: 0 0 1.25rem; }

.burger__body a {
  color: var(--ink);
  text-decoration-color: var(--grill);
  text-decoration-thickness: 2px;
}

.burger__body a:hover {
  text-decoration-color: var(--ketchup);
}

.burger__body ul, .burger__body ol {
  margin: 0 0 1.5rem;
  padding-left: 1.25rem;
}

.burger__body li { margin-bottom: 0.5rem; }

.burger__body blockquote {
  margin: 1.5rem 0;
  padding: 0.5rem 0 0.5rem 1.5rem;
  border-left: 3px solid var(--grill);
  color: var(--ink-soft);
  font-style: italic;
}

.burger__body code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--surface-warm);
  padding: 0.125rem 0.375rem;
  border-radius: 2px;
}

.burger__body hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 2.5rem 0;
}

/* Links section at the foot */

.burger__links {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
}

.burger__links-title {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 1rem;
}

.burger__links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.burger__links a {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 1rem;
  color: var(--ink);
  text-decoration-color: var(--grill);
  text-decoration-thickness: 2px;
}

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

.site-footer {
  max-width: var(--max-width);
  margin: 4rem auto 0;
  padding: 2rem var(--gutter);
  border-top: 1px solid var(--rule);
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  color: var(--ink-mute);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

/* ============================================================
   Loading / empty states
   ============================================================ */

.loading {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--ink-mute);
  padding: 3rem var(--gutter);
  text-align: center;
}

/* ============================================================
   Reduced motion
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   Mobile adjustments
   ============================================================ */

@media (max-width: 560px) {
  .burger__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .stamp--lg {
    width: 110px;
    height: 110px;
  }

  .stamp--lg .stamp__main { font-size: 1rem; }
}