/* ==========================================================================
   La Leña — Hoja de estilos principal
   ========================================================================== */

:root {
  --color-primary: #3D2817;
  --color-secondary: #1A1410;
  --color-accent: #C9A961;
  --color-accent-dark: #b8985a;
  --color-text: #2A1F1A;
  --color-text-light: #6B5D52;
  --color-bg: #FAF7F2;
  --color-bg-alt: #1A1410;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --section-padding: 6rem 0;
  --container-padding: 0 2rem;
  --max-width: 1200px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: inherit; }

button { cursor: pointer; font-family: inherit; }

/* TYPOGRAPHY
   ========================================================================== */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--color-text);
}
h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 2.5rem); }
h3 { font-size: 1.5rem; }
p { color: var(--color-text-light); margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
  display: inline-block;
}

/* LAYOUT HELPERS
   ========================================================================== */
.container { max-width: var(--max-width); margin: 0 auto; padding: var(--container-padding); }
section { padding: var(--section-padding); }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--color-secondary); color: var(--color-bg);
  padding: 1rem 1.5rem; z-index: 1000;
  font-size: 0.875rem;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* BUTTONS
   ========================================================================== */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}
.btn-primary { background: var(--color-accent); color: var(--color-secondary); }
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  outline: none;
}
.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}
.btn-secondary:hover, .btn-secondary:focus-visible {
  background: var(--color-accent);
  color: var(--color-secondary);
  outline: none;
}
.btn-block { width: 100%; }

/* HEADER / NAV
   ========================================================================== */
header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; }
nav {
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(26, 20, 16, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: padding 0.3s ease;
}
nav.scrolled { padding: 1rem 2rem; background: rgba(26, 20, 16, 0.95); }

.logo {
  font-family: var(--font-display);
  color: var(--color-bg);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.nav-menu {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.nav-menu a {
  color: var(--color-bg);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-menu a:hover, .nav-menu a:focus-visible { color: var(--color-accent); outline: none; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-bg);
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* HERO
   ========================================================================== */
.hero {
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background:
    linear-gradient(rgba(26,20,16,0.55), rgba(26,20,16,0.55)),
    url('https://images.unsplash.com/photo-1544025162-d76694265947?w=1600&q=80') center/cover;
  color: var(--color-bg);
  position: relative;
}
.hero-content { max-width: 800px; padding: 0 2rem; }
.hero h1 { color: var(--color-bg); margin-bottom: 1.5rem; }
.hero .subtitle {
  font-size: 1.125rem;
  color: rgba(250, 247, 242, 0.85);
  margin-bottom: 2.5rem;
  font-weight: 300;
}
.hero .cta-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* NOSOTROS
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-image {
  height: 500px;
  background: url('https://images.unsplash.com/photo-1414235077428-338989a2e8c0?w=900&q=80') center/cover;
}
.about-stat {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(61, 40, 23, 0.15);
}
.about-stat .number {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--color-accent);
  display: block;
  line-height: 1;
}
.about-stat .label {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-top: 0.5rem;
  display: block;
}

/* MENU
   ========================================================================== */
.menu-header { text-align: center; margin-bottom: 4rem; }
.menu-intro { max-width: 600px; margin: 1rem auto 0; }
.menu-categories { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.menu-category h3 {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-accent);
  color: var(--color-primary);
}
.menu-category h3.category-spaced { margin-top: 3rem; }

.menu-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(61, 40, 23, 0.08);
  gap: 1.5rem;
}
.menu-item:last-child { border-bottom: none; }
.menu-item-info { flex: 1; }
.menu-item-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}
.menu-item-desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.5;
}
.menu-item-price {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-accent);
  font-weight: 500;
  white-space: nowrap;
}

/* GALERIA
   ========================================================================== */
.gallery { background: var(--color-bg-alt); }
.gallery-header { text-align: center; margin-bottom: 4rem; }
.gallery-header h2 { color: var(--color-bg); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 200px 200px 200px;
  gap: 1rem;
}
.gallery-item {
  background-size: cover;
  background-position: center;
  overflow: hidden;
  transition: transform 0.4s, filter 0.4s;
  cursor: pointer;
  filter: brightness(0.85);
}
.gallery-item:hover, .gallery-item:focus-visible {
  transform: scale(1.02);
  filter: brightness(1);
  outline: none;
}
.gallery-item-1 {
  grid-column: span 2;
  grid-row: span 2;
  background-image: url('https://images.unsplash.com/photo-1555939594-58d7cb561ad1?w=800&q=80');
}
.gallery-item-2 { background-image: url('https://images.unsplash.com/photo-1559339352-11d035aa65de?w=600&q=80'); }
.gallery-item-3 { background-image: url('https://images.unsplash.com/photo-1546964124-0cce460f38ef?w=600&q=80'); }
.gallery-item-4 {
  grid-column: span 2;
  background-image: url('https://images.unsplash.com/photo-1592861956120-e524fc739696?w=600&q=80');
}
.gallery-item-5 { background-image: url('https://images.unsplash.com/photo-1535473895227-bdecb20fb157?w=600&q=80'); }
.gallery-item-6 { background-image: url('https://images.unsplash.com/photo-1432139509613-5c4255815697?w=600&q=80'); }

/* RESERVACIONES
   ========================================================================== */
.reservations-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.reservations-info p { margin-bottom: 1.5rem; }
.reservations-info .phone-cta {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-top: 2rem;
}
.reservations-info .phone-cta a { color: var(--color-accent); text-decoration: none; }
.reservations-info .phone-cta a:hover { text-decoration: underline; }

.reservations-form {
  background: white;
  padding: 3rem;
}
.form-group { margin-bottom: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--color-text-light);
  font-weight: 500;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid rgba(61, 40, 23, 0.2);
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  transition: border-color 0.2s;
  border-radius: 0;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-group input.invalid,
.form-group select.invalid {
  border-color: #c14d4d;
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-feedback {
  margin-top: 1rem;
  font-size: 0.875rem;
  text-align: center;
  min-height: 1.25rem;
}
.form-feedback.success { color: #2e7d4f; }
.form-feedback.error { color: #c14d4d; }

/* CONTACTO
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.contact-info dt {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.contact-info dt:first-child { margin-top: 0; }
.contact-info dd { font-size: 1.125rem; color: var(--color-text); }
.contact-info dd a { color: var(--color-accent); text-decoration: none; }
.contact-info dd a:hover { text-decoration: underline; }
.contact-info dd small { color: var(--color-text-light); font-size: 0.875rem; }
.contact-info .phone-big {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--color-primary);
}
.contact-info .phone-big a { color: inherit; }
.contact-map {
  height: 450px;
  background: url('https://images.unsplash.com/photo-1414235077428-338989a2e8c0?w=900&q=80') center/cover;
  position: relative;
}
.contact-map::after {
  content: 'Polanco · CDMX';
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: var(--color-secondary);
  color: var(--color-bg);
  padding: 0.75rem 1.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* FOOTER
   ========================================================================== */
footer {
  background: var(--color-secondary);
  color: var(--color-bg);
  padding: 4rem 0 2rem;
  border-top: 2px solid var(--color-accent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: 1rem;
}
.footer-tagline {
  color: rgba(250, 247, 242, 0.6);
  font-size: 0.95rem;
}
footer h4 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}
footer p, footer a {
  color: rgba(250, 247, 242, 0.7);
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 2;
}
footer a:hover { color: var(--color-accent); }
.footer-social { margin-top: 1rem; }
.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(250, 247, 242, 0.1);
  text-align: center;
  font-size: 0.8rem;
  color: rgba(250, 247, 242, 0.4);
}

/* RESPONSIVE
   ========================================================================== */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-toggle { display: flex; }
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(26, 20, 16, 0.98);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  section { padding: 4rem 0; }
  .about-grid,
  .menu-categories,
  .reservations-grid,
  .contact-grid,
  .footer-grid { grid-template-columns: 1fr; gap: 3rem; }
  .form-row { grid-template-columns: 1fr; }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: 180px 180px 180px 180px;
  }
  .gallery-item-1 { grid-column: span 2; grid-row: span 1; }
  .gallery-item-4 { grid-column: span 2; }
  .about-image, .contact-map { height: 350px; }
  .reservations-form { padding: 2rem 1.5rem; }
  .contact-info .phone-big { font-size: 2rem; }
}

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