/* ============================================
   PIZZA CANTINA - ENTERPRISE MENU DESIGN
   Professional | Refined | Sophisticated
   ============================================ */

/* CSS Custom Properties - Design Tokens */
:root {
  /* Color System - Sophisticated warm palette */
  --primary-900: #5C1616;
  --primary-800: #7A1E1E;
  --primary-700: #9B2323;
  --primary-600: #B83232;
  --primary-500: #D14343;
  
  --neutral-950: #0F0F0F;
  --neutral-900: #1A1A1A;
  --neutral-800: #2D2D2D;
  --neutral-700: #404040;
  --neutral-600: #525252;
  --neutral-500: #6B6B6B;
  --neutral-400: #8A8A8A;
  --neutral-300: #A3A3A3;
  --neutral-200: #D4D4D4;
  --neutral-100: #E5E5E5;
  --neutral-50: #F5F5F5;
  --neutral-25: #FAFAFA;
  
  --warm-100: #FDFCFB;
  --warm-200: #F8F5F2;
  --warm-300: #F0EBE5;
  --warm-400: #E5DDD4;
  
  /* Semantic Colors - Matching homepage */
  --color-background: #f4eee3;
  --color-background-gradient: radial-gradient(circle at 12% -10%, #ffe5bf 0%, transparent 45%), radial-gradient(circle at 100% 100%, #f0d6cb 0%, transparent 32%);
  --color-surface: #fffaf2;
  --color-surface-elevated: #FFFFFF;
  --color-border: #d8ccbc;
  --color-border-subtle: #f0e7d8;
  
  --color-text-primary: var(--neutral-900);
  --color-text-secondary: var(--neutral-600);
  --color-text-tertiary: var(--neutral-400);
  --color-text-inverse: #FFFFFF;
  
  --color-accent: var(--primary-700);
  --color-accent-hover: var(--primary-800);
  
  /* Typography Scale - Major Third (1.25) */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  
  /* Font Families */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Font Weights */
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  
  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* Letter Spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;
  
  /* Spacing Scale - 4px base */
  --space-0: 0;
  --space-1: 0.25rem;    /* 4px */
  --space-2: 0.5rem;     /* 8px */
  --space-3: 0.75rem;    /* 12px */
  --space-4: 1rem;       /* 16px */
  --space-5: 1.25rem;    /* 20px */
  --space-6: 1.5rem;     /* 24px */
  --space-8: 2rem;       /* 32px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */
  --space-24: 6rem;      /* 96px */
  --space-32: 8rem;      /* 128px */
  
  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows - Sophisticated layering */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04), 0 2px 4px -2px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -4px rgba(0, 0, 0, 0.02);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.08);
  
  /* Transitions */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 350ms;
  --duration-slower: 500ms;
  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* Layout */
  --container-max: 1200px;
  --container-narrow: 720px;
  --header-height: 72px;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background: var(--color-background-gradient), var(--color-background);
  overflow-x: hidden;
}

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

input, button, textarea, select {
  font: inherit;
}

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

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
  width: min(var(--container-max), 90%);
  margin-inline: auto;
}

.container--narrow {
  width: min(var(--container-narrow), 90%);
}

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

/* ============================================
   SKIP LINK
   ============================================ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 10000;
  padding: var(--space-3) var(--space-5);
  background: var(--color-accent);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  transition: top var(--duration-fast) var(--ease-default);
}

.skip-link:focus {
  top: 0;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(244, 238, 227, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid #d8ccbc;
}

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand__text strong {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-none);
}

.brand__text small {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
}

/* Navigation */
.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.primary-nav a {
  position: relative;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  padding: var(--space-2) 0;
  transition: color var(--duration-fast) var(--ease-default);
}

.primary-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--duration-normal) var(--ease-out);
}

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

.primary-nav a[aria-current="page"] {
  color: var(--color-text-primary);
  font-weight: var(--weight-semibold);
}

.primary-nav a:hover::after,
.primary-nav a[aria-current="page"]::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  padding: var(--space-2) var(--space-4);
  background: transparent;
  border: 1px solid #d8ccbc;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-default);
}

.nav-toggle:hover {
  background: var(--warm-200);
  border-color: #f0e7d8;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-none);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-default);
}

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

.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background: #fffaf2;
  color: var(--color-text-primary);
  border: 1px solid #d8ccbc;
}

.btn--secondary:hover {
  background: var(--warm-200);
  border-color: #d8ccbc;
}

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

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
  padding-top: calc(var(--header-height) + var(--space-16));
  padding-bottom: var(--space-12);
  background: linear-gradient(180deg, #f0e7d8 0%, #f4eee3 100%);
  border-bottom: 1px solid #d8ccbc;
}

.page-header__content {
  max-width: var(--container-narrow);
  margin: 0 auto;
  text-align: center;
}

.page-header__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.page-header__title {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
}

.page-header__lead {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  padding: var(--space-24) 0;
}

.section--white {
  background: #fffaf2;
}

/* ============================================
   MENU CATEGORIES
   ============================================ */
.menu-category {
  margin-bottom: var(--space-16);
}

.menu-category:last-of-type {
  margin-bottom: var(--space-12);
}

.menu-category__header {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-accent);
}

.menu-category__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  letter-spacing: var(--tracking-tight);
}

.menu-category__subtitle {
  font-size: var(--text-sm);
  font-weight: var(--weight-regular);
  color: var(--color-text-tertiary);
}

/* ============================================
   MENU GRIDS
   ============================================ */
.menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

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

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

/* ============================================
   MENU ITEMS - Premium Card Design
   ============================================ */
.menu-item {
  position: relative;
  background: #fffaf2;
  border: 1px solid #f0e7d8;
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--duration-normal) var(--ease-default);
}

.menu-item::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-xl);
  padding: 1px;
  background: linear-gradient(135deg, var(--warm-300), transparent 50%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-default);
}

.menu-item:hover {
  border-color: #d8ccbc;
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.menu-item:hover::before {
  opacity: 1;
}

.menu-item__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-2);
}

.menu-item__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
}

.menu-item__price {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-accent);
  white-space: nowrap;
  line-height: var(--leading-none);
}

.menu-item__desc {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

/* Compact menu item (for coffee, water) */
.menu-item--compact {
  padding: var(--space-5);
}

.menu-item--compact .menu-item__header {
  margin-bottom: 0;
  align-items: center;
}

.menu-item--compact .menu-item__title {
  font-size: var(--text-base);
}

.menu-item--compact .menu-item__price {
  font-size: var(--text-base);
}

/* ============================================
   MENU NOTE
   ============================================ */
.menu-note {
  text-align: center;
  padding: var(--space-8) var(--space-6);
  background: var(--warm-200);
  border: 1px solid #f0e7d8;
  border-radius: var(--radius-xl);
}

.menu-note p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

.menu-note a {
  color: var(--color-accent);
  font-weight: var(--weight-semibold);
  transition: opacity var(--duration-fast) var(--ease-default);
}

.menu-note a:hover {
  opacity: 0.8;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  position: relative;
  background: var(--neutral-900);
  color: var(--color-text-inverse);
  padding: var(--space-20) 0;
  text-align: center;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at top, var(--primary-800) 0%, transparent 60%);
  opacity: 0.4;
  pointer-events: none;
}

.cta-section > .container {
  position: relative;
  z-index: 1;
}

.cta-section__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-4);
  letter-spacing: var(--tracking-tight);
}

.cta-section__lead {
  font-size: var(--text-lg);
  color: var(--neutral-300);
  margin-bottom: var(--space-8);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn--secondary {
  background: transparent;
  color: var(--color-text-inverse);
  border-color: var(--neutral-700);
}

.cta-section .btn--secondary:hover {
  background: var(--neutral-800);
  border-color: var(--neutral-600);
}

/* Light button variant for dark backgrounds */
.btn--light {
  background: #fffaf2;
  color: var(--color-text-primary);
}

.btn--light:hover {
  background: var(--warm-100);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--neutral-950);
  color: var(--neutral-300);
  padding: var(--space-16) 0 var(--space-8);
}

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

.footer__brand h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-4);
  letter-spacing: var(--tracking-tight);
}

.footer__brand p {
  line-height: var(--leading-relaxed);
  max-width: 320px;
}

.footer__col h4 {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-5);
}

.footer__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__col a {
  font-size: var(--text-sm);
  color: var(--neutral-300);
  transition: color var(--duration-fast) var(--ease-default);
}

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

.footer__bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--neutral-800);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copyright {
  font-size: var(--text-sm);
  color: var(--neutral-500);
}

.footer__social {
  display: flex;
  gap: var(--space-6);
}

.footer__social a {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--neutral-300);
  transition: color var(--duration-fast) var(--ease-default);
}

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

/* ============================================
   MOBILE BAR
   ============================================ */
.mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #fffaf2;
  border-top: 1px solid #d8ccbc;
  padding: var(--space-2) var(--space-4);
  z-index: 1000;
  justify-content: space-around;
  gap: var(--space-2);
}

.mobile-bar__item {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-default);
}

.mobile-bar__item--primary {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

/* ============================================
   ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-spring);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.reveal-group > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-spring);
}

.reveal-group.is-visible > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: translateY(0); }
.reveal-group.is-visible > *:nth-child(2) { transition-delay: 50ms; opacity: 1; transform: translateY(0); }
.reveal-group.is-visible > *:nth-child(3) { transition-delay: 100ms; opacity: 1; transform: translateY(0); }
.reveal-group.is-visible > *:nth-child(4) { transition-delay: 150ms; opacity: 1; transform: translateY(0); }
.reveal-group.is-visible > *:nth-child(5) { transition-delay: 200ms; opacity: 1; transform: translateY(0); }
.reveal-group.is-visible > *:nth-child(6) { transition-delay: 250ms; opacity: 1; transform: translateY(0); }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
  .menu-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .menu-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  :root {
    --text-5xl: 2.25rem;
    --space-24: 4rem;
    --space-20: 3.5rem;
    --space-16: 3rem;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .primary-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fffaf2;
    flex-direction: column;
    padding: var(--space-6);
    gap: var(--space-2);
    border-bottom: 1px solid #f0e7d8;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-default);
  }
  
  .primary-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .primary-nav a {
    padding: var(--space-3) 0;
    font-size: var(--text-lg);
  }
  
  .header-actions .btn {
    display: none;
  }
  
  .page-header {
    padding-top: calc(var(--header-height) + var(--space-12));
  }
  
  .menu-grid,
  .menu-grid--2,
  .menu-grid--4 {
    grid-template-columns: 1fr;
  }
  
  .menu-category__header {
    flex-direction: column;
    gap: var(--space-1);
  }
  
  .cta-section__title {
    font-size: var(--text-2xl);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .mobile-bar {
    display: flex;
  }
  
  body {
    padding-bottom: 72px;
  }
}

@media (max-width: 480px) {
  .menu-item {
    padding: var(--space-5);
  }
  
  .menu-item__title,
  .menu-item__price {
    font-size: var(--text-base);
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .reveal,
  .reveal-group > * {
    opacity: 1;
    transform: none;
  }
}