/* ============================================
   Rio Mundo — Premium Restaurant Menu
   Design System & Styles
   ============================================ */

/* --- CSS Variables --- */
:root {
  /* Colors */
  --color-bg: #0a0a0a;
  --color-bg-section: #0f0f0f;
  --color-bg-card: #141414;
  --color-bg-card-hover: #1a1a1a;
  --color-gold: #c9a96e;
  --color-gold-light: #dfc38f;
  --color-gold-dark: #a8873f;
  --color-cream: #f5efe6;
  --color-cream-soft: #e8dfd2;
  --color-text: #d4cdc4;
  --color-text-dim: #8a8279;
  --color-text-bright: #f0ebe4;
  --color-border: #2a2520;
  --color-border-light: #3a332c;
  --color-highlight: rgba(201, 169, 110, 0.08);
  --color-badge: rgba(201, 169, 110, 0.15);

  /* Typography */
  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Raleway', 'Helvetica Neue', sans-serif;
  --font-accent: 'Cormorant Garamond', 'Georgia', serif;

  /* Spacing */
  --section-padding: 100px;
  --container-width: 820px;

  /* Transitions */
  --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.2s ease;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection {
  background-color: var(--color-gold);
  color: var(--color-bg);
}

/* --- Loader --- */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

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

.loader-icon {
  font-size: 2rem;
  color: var(--color-gold);
  animation: loaderPulse 1.2s ease-in-out infinite;
  margin-bottom: 16px;
}

.loader-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-cream);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

@keyframes loaderPulse {
  0%, 100% { opacity: 0.3; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.05); }
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(201, 169, 110, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(201, 169, 110, 0.04) 0%, transparent 60%),
    linear-gradient(180deg, #0a0a0a 0%, #0d0b08 50%, #0a0a0a 100%);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c9a96e' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  padding: 40px 24px;
  animation: heroFadeIn 1.2s ease-out 0.3s both;
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 400;
  color: var(--color-cream);
  letter-spacing: 0.04em;
  line-height: 1;
  margin-bottom: 24px;
}

.hero-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 20px;
}

.divider-line {
  display: block;
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.divider-icon {
  color: var(--color-gold);
  font-size: 0.8rem;
}

.hero-tagline {
  font-family: var(--font-accent);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 300;
  font-style: italic;
  color: var(--color-text-dim);
  letter-spacing: 0.05em;
  margin-bottom: 48px;
}

.hero-cta {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  text-decoration: none;
  padding: 16px 40px;
  border: 1px solid var(--color-gold-dark);
  transition: var(--transition-smooth);
}

.hero-cta:hover {
  background: var(--color-gold);
  color: var(--color-bg);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201, 169, 110, 0.2);
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 1px solid var(--color-gold-dark);
  border-bottom: 1px solid var(--color-gold-dark);
  transform: rotate(45deg);
  opacity: 0.5;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.5; }
  50% { transform: translateX(-50%) translateY(10px); opacity: 1; }
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transform: translateY(-100%);
  transition: transform 0.4s ease, border-color 0.4s ease;
}

.nav.visible {
  transform: translateY(0);
  border-bottom-color: var(--color-border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-cream);
  text-decoration: none;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-cream);
  transition: var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -5px);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 4px;
  transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-gold);
}

.nav-link.active {
  background: var(--color-highlight);
}

/* --- Menu Sections --- */
.carta {
  position: relative;
}

.menu-section {
  padding: var(--section-padding) 24px;
  max-width: var(--container-width);
  margin: 0 auto;
  border-bottom: 1px solid var(--color-border);
}

.menu-section:last-of-type {
  border-bottom: none;
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-number {
  display: block;
  font-family: var(--font-accent);
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--color-gold-dark);
  letter-spacing: 0.2em;
  margin-bottom: 12px;
  opacity: 0.7;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 400;
  color: var(--color-cream);
  letter-spacing: 0.03em;
  margin-bottom: 8px;
}

.section-subtitle {
  font-family: var(--font-accent);
  font-size: 1.1rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-text-dim);
  letter-spacing: 0.05em;
}

.section-ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
}

.ornament-line {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--color-gold-dark);
  opacity: 0.5;
}

.ornament-diamond {
  color: var(--color-gold-dark);
  font-size: 0.5rem;
  opacity: 0.6;
}

/* --- Menu Items --- */
.menu-grid {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.menu-item {
  padding: 18px 20px;
  border-radius: 6px;
  transition: background var(--transition-fast);
  position: relative;
}

.menu-item:hover {
  background: var(--color-highlight);
}

.menu-item.highlighted-item {
  background: var(--color-highlight);
  border: 1px solid rgba(201, 169, 110, 0.12);
}

.menu-item.highlighted-item:hover {
  background: rgba(201, 169, 110, 0.12);
}

.item-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.item-name {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-bright);
  white-space: nowrap;
  flex-shrink: 0;
}

.item-dots {
  flex: 1;
  min-width: 20px;
  border-bottom: 1px dotted var(--color-border-light);
  margin-bottom: 4px;
}

.item-price {
  font-family: var(--font-accent);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-gold);
  white-space: nowrap;
  flex-shrink: 0;
}

.price-note {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--color-text-dim);
  margin-left: 2px;
}

.item-desc {
  font-family: var(--font-accent);
  font-size: 0.9rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-text-dim);
  margin-top: 4px;
  padding-left: 2px;
}

.item-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  background: var(--color-badge);
  padding: 4px 12px;
  border-radius: 20px;
  margin-top: 8px;
}

/* Compact items for drinks */
.menu-item-compact {
  padding: 12px 20px;
}

/* --- Drinks Category --- */
.drinks-category {
  margin-bottom: 48px;
}

.drinks-category:last-child {
  margin-bottom: 0;
}

.drinks-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--color-cream-soft);
  letter-spacing: 0.04em;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.drinks-legend {
  font-family: var(--font-accent);
  font-size: 0.85rem;
  font-style: italic;
  color: var(--color-text-dim);
  margin-bottom: 12px;
  margin-top: -12px;
}

/* --- Promo Banner --- */
.promo-banner {
  padding: 60px 24px;
  background:
    linear-gradient(135deg, rgba(201, 169, 110, 0.05) 0%, transparent 50%),
    linear-gradient(315deg, rgba(201, 169, 110, 0.05) 0%, transparent 50%),
    var(--color-bg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.promo-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  text-align: center;
}

.promo-ornament {
  color: var(--color-gold);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.promo-text {
  font-family: var(--font-accent);
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: 400;
  font-style: italic;
  color: var(--color-gold-light);
  letter-spacing: 0.03em;
}

/* --- Footer --- */
.footer {
  padding: 80px 24px;
  text-align: center;
  background: var(--color-bg);
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 400;
  color: var(--color-cream);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.footer-tagline {
  font-family: var(--font-accent);
  font-size: 1rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-text-dim);
  margin-bottom: 24px;
}

.footer-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}

.footer-copy {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-text-dim);
  letter-spacing: 0.05em;
  opacity: 0.7;
}

/* --- Scroll Reveal Animation --- */
.menu-section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.menu-section.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  :root {
    --section-padding: 72px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-110%);
    transition: transform 0.35s ease;
    z-index: 999;
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .nav-link {
    font-size: 0.8rem;
    padding: 12px 16px;
    width: 100%;
    text-align: center;
  }

  .item-name {
    white-space: normal;
    font-size: 0.9rem;
  }

  .item-price {
    font-size: 1rem;
  }

  .hero-title {
    font-size: clamp(2.8rem, 12vw, 5rem);
  }

  .section-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .menu-item {
    padding: 14px 12px;
  }

  .menu-item-compact {
    padding: 10px 12px;
  }

  .promo-inner {
    flex-direction: column;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  :root {
    --section-padding: 56px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .item-header {
    flex-wrap: wrap;
  }

  .item-dots {
    display: none;
  }

  .item-name {
    flex: 1;
  }

  .item-price {
    margin-left: auto;
  }

  .hero-cta {
    padding: 14px 32px;
    font-size: 0.7rem;
  }

  .divider-line {
    width: 40px;
  }
}

/* --- Print styles --- */
@media print {
  .nav,
  .loader,
  .scroll-indicator,
  .hero-cta {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: 40px 20px;
  }

  .menu-section {
    opacity: 1;
    transform: none;
    page-break-inside: avoid;
  }

  body {
    background: white;
    color: #1a1a1a;
  }

  .section-title,
  .hero-title,
  .footer-logo {
    color: #1a1a1a;
  }

  .item-name {
    color: #1a1a1a;
  }

  .item-price {
    color: #8a6914;
  }
}