/* ==========================================================================
   CAFÉ AROMA — Landing Page Styles
   Mobile-First · WCAG · Warm Coffee Palette
   ========================================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Paleta cálida de café */
  --color-espresso: #3D2314;
  --color-mocha: #5C3D2E;
  --color-latte: #8B6F47;
  --color-cream: #F5F0E8;
  --color-ivory: #FAF7F2;
  --color-white: #FFFFFF;

  /* Acento — naranja cálido */
  --color-accent: #C45C26;
  --color-accent-hover: #A34A1E;
  --color-accent-light: #E8A87C;

  /* Badges */
  --color-vegan: #2D6A4F;
  --color-gluten: #6B4E9B;

  /* Tipografía */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Source Sans 3', system-ui, sans-serif;

  /* Espaciado y layout */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --container-max: 1200px;
  --header-height: 72px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(61, 35, 20, 0.08);
  --shadow-md: 0 8px 24px rgba(61, 35, 20, 0.12);
  --shadow-lg: 0 16px 48px rgba(61, 35, 20, 0.16);

  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.6s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-mocha);
  background-color: var(--color-ivory);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover,
a:focus-visible {
  color: var(--color-accent-hover);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Utilidad accesibilidad */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  z-index: 9999;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
}

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

/* ---------- Tipografía de sección ---------- */
.section {
  padding-block: var(--space-2xl);
}

.section__eyebrow {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.section__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  color: var(--color-espresso);
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

.section__desc {
  font-size: 1.125rem;
  color: var(--color-latte);
  max-width: 560px;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section__header .section__desc {
  margin-inline: auto;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

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

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

.btn--secondary {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn--secondary:hover {
  background-color: var(--color-white);
  color: var(--color-espresso);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1.0625rem;
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.9375rem;
}

/* ---------- HEADER (Sticky) ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.header--scrolled {
  background-color: rgba(250, 247, 242, 0.98);
  border-bottom-color: rgba(61, 35, 20, 0.08);
  box-shadow: var(--shadow-sm);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-espresso);
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 700;
}

.header__logo:hover {
  color: var(--color-espresso);
}

.header__logo em {
  font-style: italic;
  color: var(--color-accent);
}

.header__logo-icon {
  font-size: 1.5rem;
}

/* Toggle móvil */
.header__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.header__toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-espresso);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.header__toggle[aria-expanded="true"] .header__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__toggle[aria-expanded="true"] .header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.header__toggle[aria-expanded="true"] .header__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Navegación */
.nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-ivory);
  padding: var(--space-lg) var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
}

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

.nav__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.nav__link {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-espresso);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-fast);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__link--active {
  color: var(--color-accent);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(61, 35, 20, 0.75) 0%, rgba(92, 61, 46, 0.55) 50%, rgba(61, 35, 20, 0.65) 100%),
    url('https://images.unsplash.com/photo-1495474472287-4d71bcdd2085?w=1920&q=80') center / cover no-repeat;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, transparent 0%, rgba(61, 35, 20, 0.3) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-block: var(--space-xl);
}

.hero__eyebrow {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-sm);
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 7vw, 4rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-cream);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.hero__scroll-hint {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  color: var(--color-cream);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.8;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ---------- MENÚ ---------- */
.menu {
  background-color: var(--color-white);
}

.menu__filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.menu__filter {
  padding: 0.5rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-mocha);
  background-color: var(--color-cream);
  border: 2px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.menu__filter:hover {
  border-color: var(--color-accent-light);
}

.menu__filter--active {
  background-color: var(--color-espresso);
  color: var(--color-white);
}

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

.menu-card {
  background-color: var(--color-ivory);
  border: 1px solid rgba(61, 35, 20, 0.06);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

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

.menu-card--hidden {
  display: none;
}

.menu-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.menu-card__name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-espresso);
}

.menu-card__price {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-accent);
  white-space: nowrap;
}

.menu-card__desc {
  font-size: 0.9375rem;
  color: var(--color-latte);
  margin-bottom: var(--space-sm);
}

/* Badges */
.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  margin-right: 0.35rem;
  margin-top: 0.25rem;
}

.badge--vegan {
  background-color: rgba(45, 106, 79, 0.12);
  color: var(--color-vegan);
}

.badge--gluten {
  background-color: rgba(107, 78, 155, 0.12);
  color: var(--color-gluten);
}

/* ---------- SOBRE NOSOTROS ---------- */
.about {
  background-color: var(--color-cream);
}

.about__grid {
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

.about__image {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, transparent 60%, rgba(61, 35, 20, 0.2) 100%),
    url('https://images.unsplash.com/photo-1511920170033-f8396924c348?w=800&q=80') center / cover no-repeat;
  box-shadow: var(--shadow-lg);
}

.about__content p {
  margin-bottom: var(--space-md);
  color: var(--color-mocha);
}

.about__content strong {
  color: var(--color-espresso);
}

.about__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  list-style: none;
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(61, 35, 20, 0.1);
}

.about__stats li {
  text-align: center;
}

.about__stats strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.about__stats span {
  font-size: 0.875rem;
  color: var(--color-latte);
}

/* ---------- GALERÍA (Masonry) ---------- */
.gallery {
  background-color: var(--color-ivory);
}

.gallery__masonry {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 180px;
  gap: var(--space-sm);
}

.gallery__item {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.gallery__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery__item:hover .gallery__img {
  transform: scale(1.06);
}

.gallery__img--1 { background: url('https://images.unsplash.com/photo-1554118811-1e0d58224f24?w=600&q=80') center / cover; }
.gallery__img--2 { background: url('https://images.unsplash.com/photo-1461023058943-07fcbe16d930?w=600&q=80') center / cover; }
.gallery__img--3 { background: url('https://images.unsplash.com/photo-1488477181946-6428a0291777?w=600&q=80') center / cover; }
.gallery__img--4 { background: url('https://images.unsplash.com/photo-1442512595331-e89e73853f31?w=800&q=80') center / cover; }
.gallery__img--5 { background: url('https://images.unsplash.com/photo-1447933601403-0c6688de566e?w=600&q=80') center / cover; }
.gallery__img--6 { background: url('https://images.unsplash.com/photo-1509042239860-f550ce710b93?w=600&q=80') center / cover; }

/* ---------- UBICACIÓN ---------- */
.location {
  background-color: var(--color-white);
}

.location__grid {
  display: grid;
  gap: var(--space-xl);
}

.location__address {
  font-style: normal;
  margin-bottom: var(--space-lg);
  line-height: 1.8;
  color: var(--color-mocha);
}

.location__address strong {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-espresso);
}

.location__hours {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-lg);
}

.location__hours th,
.location__hours td {
  padding: 0.6rem 0;
  text-align: left;
  border-bottom: 1px solid rgba(61, 35, 20, 0.08);
}

.location__hours th {
  font-weight: 600;
  color: var(--color-espresso);
}

.location__hours thead th {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-latte);
}

.location__directions {
  font-size: 0.9375rem;
  color: var(--color-latte);
  line-height: 1.7;
}

.location__map {
  min-height: 320px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.location__map iframe {
  display: block;
  min-height: 320px;
}

/* ---------- CONTACTO ---------- */
.contact {
  background-color: var(--color-cream);
}

.contact__grid {
  display: grid;
  gap: var(--space-xl);
}

.contact__details {
  list-style: none;
  margin: var(--space-lg) 0;
}

.contact__details li {
  margin-bottom: var(--space-sm);
}

.contact__label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-latte);
}

.contact__details a {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-espresso);
}

.contact__social {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: var(--color-espresso);
  color: var(--color-white);
  border-radius: 50%;
  transition:
    background-color var(--transition-fast),
    transform var(--transition-fast);
}

.social-link:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-3px);
}

/* Formulario */
.contact__form {
  background-color: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--color-espresso);
  margin-bottom: 0.35rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-mocha);
  background-color: var(--color-ivory);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  background-color: var(--color-white);
  border-color: var(--color-accent);
  outline: none;
}

.form-group input[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] {
  border-color: #c0392b;
}

.form-error {
  display: block;
  font-size: 0.8125rem;
  color: #c0392b;
  margin-top: 0.25rem;
  min-height: 1.2em;
}

.form-success {
  margin-top: var(--space-md);
  padding: var(--space-sm);
  background-color: rgba(45, 106, 79, 0.12);
  color: var(--color-vegan);
  border-radius: var(--radius-sm);
  font-weight: 500;
}

/* ---------- FOOTER ---------- */
.footer {
  background-color: var(--color-espresso);
  color: var(--color-cream);
  padding-block: var(--space-xl);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}

.footer .header__logo {
  color: var(--color-white);
  justify-content: center;
}

.footer__tagline {
  font-size: 0.9375rem;
  opacity: 0.8;
  margin-top: var(--space-xs);
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm) var(--space-md);
}

.footer__nav a {
  color: var(--color-cream);
  font-size: 0.9375rem;
}

.footer__nav a:hover {
  color: var(--color-accent-light);
}

.footer__legal {
  opacity: 0.7;
}

.footer__copy {
  font-size: 0.8125rem;
  opacity: 0.6;
}

/* ---------- WhatsApp flotante ---------- */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-md);
  right: var(--space-md);
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background-color: #25D366;
  color: var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.4);
  color: var(--color-white);
}

/* ---------- Animaciones scroll (fade-in) ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--transition-slow),
    transform var(--transition-slow);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Reduce motion para accesibilidad */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__scroll-hint {
    animation: none;
  }

  .btn:hover,
  .menu-card:hover,
  .social-link:hover,
  .whatsapp-float:hover {
    transform: none;
  }
}

/* ==========================================================================
   RESPONSIVE — Tablet (768px+)
   ========================================================================== */
@media (min-width: 768px) {
  .header__toggle {
    display: none;
  }

  .nav {
    position: static;
    flex-direction: row;
    align-items: center;
    padding: 0;
    background: none;
    transform: none;
    overflow: visible;
    gap: var(--space-md);
  }

  .nav__list {
    flex-direction: row;
    gap: var(--space-md);
  }

  .nav__link {
    font-size: 0.9375rem;
  }

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

  .about__grid {
    grid-template-columns: 1fr 1fr;
  }

  .gallery__masonry {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 200px;
  }

  .gallery__item--tall {
    grid-row: span 2;
  }

  .gallery__item--wide {
    grid-column: span 2;
  }

  .location__grid {
    grid-template-columns: 1fr 1.2fr;
    align-items: start;
  }

  .location__map {
    min-height: 400px;
  }

  .contact__grid {
    grid-template-columns: 1fr 1.2fr;
    align-items: start;
  }
}

/* ==========================================================================
   RESPONSIVE — Desktop (1024px+)
   ========================================================================== */
@media (min-width: 1024px) {
  .menu__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .gallery__masonry {
    grid-auto-rows: 220px;
  }
}