/* ==========================================================================
   AURA BISTRO & BRASAS — SISTEMA DE DISEÑO DE ALTA GASTRONOMÍA
   Paleta: Carbón ahumado, Oro champán, Cobre rústico, Marfil y Vino tinto
   Tipografía: Cormorant Garamond (Elegancia clásica) + Inter (Lectura moderna)
   ========================================================================== */

:root {
  --color-bg-main: #0c0d0f;
  --color-bg-surface: #14161a;
  --color-bg-card: #181b20;
  --color-border: rgba(212, 175, 55, 0.18);
  --color-border-subtle: rgba(255, 255, 255, 0.07);

  --color-gold: #d4af37;
  --color-gold-light: #f3e5ab;
  --color-gold-hover: #b89428;
  --color-wine: #722f37;
  --color-wine-dark: #4a151b;
  --color-copper: #c87533;

  --color-text-title: #fdfbf7;
  --color-text-body: #c9cdd4;
  --color-text-muted: #8a909a;

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  --transition: 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-bg-main);
  color: var(--color-text-body);
  font-family: var(--font-sans);
  line-height: 1.65;
}

body {
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0%, #1a1714 0%, var(--color-bg-main) 60%);
}

a {
  color: inherit;
  text-decoration: none;
  transition: all var(--transition);
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  transition: all var(--transition);
}

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

.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   TOP BAR / RESERVA NOTICE
   ========================================================================== */
.top-notice {
  background: #08090a;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-gold-light);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.55rem 1rem;
  text-align: center;
}

.top-notice strong {
  color: #ffffff;
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.header-bistro {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 13, 15, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: 1rem 0;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-bistro {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-gold-light);
  line-height: 1;
  text-transform: uppercase;
}

.brand-tagline {
  font-size: 0.65rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-item {
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  color: var(--color-text-body);
  text-transform: uppercase;
  font-weight: 500;
}

.nav-item:hover {
  color: var(--color-gold);
}

.btn-reserve-nav {
  background: transparent;
  color: var(--color-gold-light);
  border: 1px solid var(--color-gold);
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}

.btn-reserve-nav:hover {
  background: var(--color-gold);
  color: #000000;
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
}

/* ==========================================================================
   HERO EDITORIAL
   ========================================================================== */
.hero-bistro {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: center;
  padding: 5rem 0;
  background: linear-gradient(to right, rgba(12, 13, 15, 0.95) 45%, rgba(12, 13, 15, 0.4) 100%),
              url('https://images.unsplash.com/photo-1544025162-d76694265947?auto=format&fit=crop&w=1800&q=85') center/cover no-repeat;
}

.hero-content {
  max-width: 680px;
}

.hero-ornament {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--color-gold);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-ornament::before, .hero-ornament::after {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--color-gold);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5.5vw, 4.8rem);
  font-weight: 400;
  line-height: 1.08;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.hero-title em {
  font-style: italic;
  color: var(--color-gold-light);
  font-family: var(--font-serif);
}

.hero-p {
  font-size: 1.12rem;
  color: #c0c6d0;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.btn-gold-solid {
  background: linear-gradient(135deg, var(--color-gold), var(--color-copper));
  color: #0d0e11;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1rem 2.2rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 25px rgba(212, 175, 55, 0.25);
}

.btn-gold-solid:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(212, 175, 55, 0.4);
}

.btn-outline-subtle {
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1rem 2rem;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(8px);
}

.btn-outline-subtle:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: rgba(212, 175, 55, 0.05);
}

/* ==========================================================================
   METRICAS / PRESTIGIO
   ========================================================================== */
.prestige-strip {
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  background: #101216;
  padding: 2.2rem 0;
}

.prestige-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.prestige-item strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.4rem;
  color: var(--color-gold-light);
  line-height: 1.1;
  font-weight: 600;
}

.prestige-item span {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ==========================================================================
   SECCIONES EDITORIALES: HISTORIA & CHEF
   ========================================================================== */
.section-chef {
  padding: 6rem 0;
}

.chef-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.chef-image-wrap {
  position: relative;
}

.chef-image-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.chef-image-card img {
  width: 100%;
  height: 520px;
  object-fit: cover;
}

.chef-floating-quote {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-gold);
  padding: 1.5rem 1.8rem;
  border-radius: var(--radius-md);
  max-width: 320px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.7);
}

.chef-floating-quote p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--color-gold-light);
  line-height: 1.4;
}

.chef-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
  color: #ffffff;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.chef-content p {
  font-size: 1rem;
  color: var(--color-text-body);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

/* ==========================================================================
   CARTA & MENÚ GASTRONÓMICO
   ========================================================================== */
.section-menu {
  padding: 6rem 0;
  background: #0f1114;
}

.menu-header-center {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3.5rem;
}

.menu-header-center h2 {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  color: #ffffff;
  margin-bottom: 0.8rem;
}

.menu-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.65rem 1.6rem;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
}

.tab-btn:hover {
  color: var(--color-gold-light);
}

.tab-btn.active {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
  font-weight: 600;
}

.menu-items-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.menu-dish-card {
  display: flex;
  gap: 1.5rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: all var(--transition);
}

.menu-dish-card:hover {
  border-color: var(--color-border);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.dish-img {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  min-width: 120px;
}

.dish-details {
  flex-grow: 1;
}

.dish-title-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.4rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
  padding-bottom: 0.3rem;
}

.dish-title-row h4 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: #ffffff;
  font-weight: 600;
}

.dish-price {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-gold);
}

.dish-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.45;
  margin-bottom: 0.5rem;
}

.dish-pairing {
  font-size: 0.78rem;
  color: var(--color-gold-light);
  font-style: italic;
}

/* ==========================================================================
   SISTEMA DE RESERVAS INTERACTIVO
   ========================================================================== */
.section-reservation {
  padding: 6rem 0;
  position: relative;
  background: radial-gradient(circle at 50% 50%, #1e1913 0%, var(--color-bg-main) 75%);
}

.reservation-box {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  max-width: 860px;
  margin: 0 auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
}

.res-form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-field label {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold-light);
}

.form-field input, .form-field select, .form-field textarea {
  background: #0d0f12;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #ffffff;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
}

.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--color-gold);
}

.full-col {
  grid-column: span 2;
}

/* ==========================================================================
   UBICACION Y HORARIOS (BOGOTÁ D.C. - ZONA G DEMO)
   ========================================================================== */
.section-contact {
  padding: 5rem 0;
  border-top: 1px solid var(--color-border-subtle);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.contact-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.demo-pill {
  display: inline-block;
  background: rgba(212, 175, 55, 0.12);
  color: var(--color-gold);
  border: 1px solid rgba(212, 175, 55, 0.3);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.contact-row {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.contact-icon {
  font-size: 1.5rem;
  color: var(--color-gold);
}

.contact-text h4 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.contact-text p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer-bistro {
  background: #08090a;
  border-top: 1px solid var(--color-border-subtle);
  padding: 4rem 0 2rem;
  text-align: center;
}

.footer-bistro p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-top: 1rem;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 992px) {
  .chef-grid, .contact-grid, .menu-items-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .prestige-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .res-form-grid {
    grid-template-columns: 1fr;
  }
  .full-col {
    grid-column: span 1;
  }
  .reservation-box {
    padding: 2rem 1.5rem;
  }
  .nav-menu {
    display: none;
  }
}