/* ==========================================================================
   Circus Restaurant — Shared Design System
   Single source of truth for palette, type scale, spacing and components.
   Every page links this file and never redefines these tokens.
   Mobile-first: base styles target small screens, min-width queries scale up.
   ========================================================================== */

:root {
  /* ---- Brand palette -------------------------------------------------- */
  --color-primary: #2f5d3a;        /* forest green — bio / veggie core */
  --color-primary-dark: #1e3f27;
  --color-primary-light: #4a8a5c;
  --color-primary-soft: #e6efe4;

  --color-secondary: #c9502f;      /* circus terracotta */
  --color-secondary-dark: #a63d21;
  --color-secondary-light: #e06a48;

  --color-accent: #e8a838;         /* mustard / marquee glow */
  --color-accent-dark: #c98a22;
  --color-accent-soft: #fbf1d9;

  /* ---- Neutrals -------------------------------------------------------- */
  --color-neutral-50: #faf8f3;
  --color-neutral-100: #f1ece1;
  --color-neutral-200: #e2dacb;
  --color-neutral-300: #c9bfab;
  --color-neutral-400: #a09681;
  --color-neutral-500: #6f6757;
  --color-neutral-600: #4d4739;
  --color-neutral-700: #333026;
  --color-neutral-800: #23281f;

  /* ---- Semantic surfaces & text --------------------------------------- */
  --color-bg: #fbf8f1;
  --color-bg-alt: #f1ece1;
  --color-surface: #ffffff;
  --color-surface-muted: #f6f1e7;
  --color-text: #23281f;
  --color-text-muted: #6f6757;
  --color-text-inverse: #fbf8f1;
  --color-border: #e2dacb;
  --color-border-strong: #c9bfab;

  --color-success: #2f7d4f;
  --color-warning: #b8791a;
  --color-danger: #b83a2a;
  --color-focus: #e8a838;

  /* ---- Typography ------------------------------------------------------ */
  --font-heading: "Fraunces", "Georgia", "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --lh-tight: 1.12;
  --lh-heading: 1.25;
  --lh-body: 1.65;
  --lh-loose: 1.85;

  --ls-tight: -0.02em;
  --ls-normal: 0;
  --ls-wide: 0.06em;
  --ls-wider: 0.14em;

  /* ---- Type scale (mobile base, fluid up) ------------------------------ */
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-body: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --fs-h4: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --fs-h3: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --fs-h2: clamp(1.875rem, 1.5rem + 1.8vw, 2.75rem);
  --fs-h1: clamp(2.25rem, 1.7rem + 2.8vw, 3.75rem);
  --fs-display: clamp(2.75rem, 1.9rem + 4.2vw, 5rem);

  /* ---- Spacing scale (4px base) --------------------------------------- */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 2.5rem;
  --space-8: 3rem;
  --space-9: 4rem;
  --space-10: 5rem;
  --space-11: 6rem;

  /* ---- Layout ---------------------------------------------------------- */
  --container-max: 72rem;
  --container-narrow: 46rem;
  --container-wide: 84rem;
  --gutter: var(--space-5);

  /* ---- Radius ---------------------------------------------------------- */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-pill: 999px;
  --radius-circle: 50%;

  /* ---- Shadows --------------------------------------------------------- */
  --shadow-xs: 0 1px 2px rgba(35, 40, 31, 0.06);
  --shadow-sm: 0 2px 6px rgba(35, 40, 31, 0.08);
  --shadow-md: 0 8px 20px rgba(35, 40, 31, 0.1);
  --shadow-lg: 0 18px 42px rgba(35, 40, 31, 0.14);
  --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.6);

  /* ---- Motion ---------------------------------------------------------- */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 120ms;
  --dur-base: 220ms;
  --dur-slow: 400ms;

  /* ---- Z-index --------------------------------------------------------- */
  --z-header: 100;
  --z-overlay: 200;

  /* ---- Focus ring ------------------------------------------------------ */
  --focus-ring: 0 0 0 3px var(--color-bg), 0 0 0 5px var(--color-focus);
}

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

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

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

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img,
picture,
svg,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

a:hover {
  color: var(--color-primary-dark);
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-xs);
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--space-4);
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-tight);
  color: var(--color-primary-dark);
  text-wrap: balance;
}

h1 {
  font-size: var(--fs-h1);
  line-height: var(--lh-tight);
}

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

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

h4 {
  font-size: var(--fs-h4);
}

p {
  margin: 0 0 var(--space-4);
  max-width: 68ch;
}

small,
.text-small {
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
}

.text-xs {
  font-size: var(--fs-xs);
}

.text-muted {
  color: var(--color-text-muted);
}

.text-inverse {
  color: var(--color-text-inverse);
}

.text-center {
  text-align: center;
}

.lead {
  font-size: var(--fs-md);
  line-height: var(--lh-loose);
  color: var(--color-text-muted);
  max-width: 60ch;
}

.eyebrow {
  display: inline-block;
  margin-bottom: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-secondary);
}

.display {
  font-family: var(--font-heading);
  font-size: var(--fs-display);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
}

blockquote {
  margin: var(--space-6) 0;
  padding-left: var(--space-5);
  border-left: 4px solid var(--color-accent);
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-style: italic;
  color: var(--color-primary-dark);
}

hr {
  border: 0;
  height: 1px;
  margin: var(--space-7) 0;
  background-color: var(--color-border);
}

/* ==========================================================================
   Layout helpers
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.container-wide {
  max-width: var(--container-wide);
}

.section {
  padding-block: var(--space-8);
}

.section-lg {
  padding-block: var(--space-9);
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.stack > * + * {
  margin-top: var(--space-4);
}

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

.center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}

.grid-2,
.grid-3,
.grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 40em) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 60em) {
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

.split {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  align-items: center;
}

@media (min-width: 60em) {
  .split {
    grid-template-columns: 1fr 1fr;
  }
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  background-color: transparent;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}

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

.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md);
}

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

.btn-ghost:hover {
  background-color: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

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

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-primary-dark);
}

.btn-lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--fs-body);
}

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

.btn-block {
  width: 100%;
}

.btn[disabled],
.btn.is-disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

/* ==========================================================================
   Cards & surfaces
   ========================================================================== */

.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}

.card > h2,
.card > h3,
.card > h4 {
  margin-bottom: 0;
}

.card > p:last-child {
  margin-bottom: 0;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-media {
  margin: calc(var(--space-5) * -1) calc(var(--space-5) * -1) 0;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
}

.card-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
}

.card-accent {
  border-top: 4px solid var(--color-accent);
}

.panel {
  padding: var(--space-6);
  background-color: var(--color-primary-soft);
  border-radius: var(--radius-lg);
}

.panel-inverse {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.panel-inverse h1,
.panel-inverse h2,
.panel-inverse h3,
.panel-inverse h4 {
  color: var(--color-text-inverse);
}

/* ==========================================================================
   Tags & badges
   ========================================================================== */

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  background-color: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  line-height: 1.6;
}

.tag-accent {
  background-color: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

.tag-secondary {
  background-color: var(--color-secondary);
  color: var(--color-text-inverse);
}

/* ==========================================================================
   Header / nav / footer chrome
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: saturate(140%) blur(6px);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-5);
  padding-block: var(--space-3);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
  color: var(--color-primary-dark);
}

.brand:hover {
  color: var(--color-primary);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-circle);
  background-color: var(--color-secondary);
  color: var(--color-text-inverse);
  font-family: var(--font-heading);
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  line-height: 1;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-tagline {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--color-secondary);
}

.site-nav {
  flex: 1 1 100%;
  order: 3;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  display: inline-block;
  padding: var(--space-2) 0;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--color-text);
  border-bottom: 2px solid transparent;
  transition: color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
}

.nav-link:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

.nav-link.is-active {
  color: var(--color-primary-dark);
  border-bottom-color: var(--color-secondary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: auto;
}

@media (min-width: 56em) {
  .site-nav {
    flex: 0 1 auto;
    order: 0;
    margin-left: var(--space-5);
  }

  .header-inner {
    flex-wrap: nowrap;
  }
}

.site-footer {
  margin-top: var(--space-10);
  padding-block: var(--space-8);
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
}

.footer-inner {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}

@media (min-width: 48em) {
  .footer-inner {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-text-inverse);
}

.footer-tagline {
  margin-top: var(--space-3);
  max-width: 34ch;
  color: var(--color-neutral-200);
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
}

.footer-heading {
  margin: 0 0 var(--space-3);
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-accent);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  line-height: var(--lh-body);
  color: var(--color-neutral-200);
}

.footer-contact a,
.footer-links a {
  color: var(--color-neutral-100);
}

.footer-contact a:hover,
.footer-links a:hover {
  color: var(--color-accent);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-sm);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(251, 248, 241, 0.16);
  font-size: var(--fs-xs);
  color: var(--color-neutral-300);
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.u-mt-0 { margin-top: var(--space-0); }
.u-mt-4 { margin-top: var(--space-4); }
.u-mt-6 { margin-top: var(--space-6); }
.u-mb-0 { margin-bottom: var(--space-0); }
.u-mb-4 { margin-bottom: var(--space-4); }
.u-mb-6 { margin-bottom: var(--space-6); }
.u-hidden { display: none; }

.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;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}