/* =========================================================
   CUCHILLO AFILADO EVENTOS — IDENTIDAD PREMIUM 
   Índice:
   1. Reset & variables oficiales
   2. Utilidades / tipografía global
   3. Navbar
   4. Menú móvil
   5. Hero
   6. Secciones genéricas
   7. Tipos de eventos
   8. Servicios
   9. Quiénes somos
   10. Footer
   11. WhatsApp flotante
   12. Animaciones / reveal
   13. Responsive
========================================================= */

/* ---------------------------------------------------------
   1. RESET & VARIABLES OFICIALES
--------------------------------------------------------- */
:root {
  /* PALETA OFICIAL */
  --blanco-ceramica: #F8F5F0;
  --verde-romero: #2B3A2C;
  --madera-tostada: #4E3629;
  --arcilla-ahumada: #B35C3E;
  --gris-calido: #D3D0C9;
  --negro-carbon: #1A1A18;

  /* ASIGNACIONES FUNCIONALES */
  --bg-principal: var(--blanco-ceramica);
  --bg-identidad: var(--verde-romero);
  --bg-separacion: var(--gris-calido);

  --texto-principal: var(--negro-carbon);
  --texto-claro: var(--blanco-ceramica);
  --texto-suavizado: rgba(26, 26, 24, 0.7);

  --cta-principal: var(--arcilla-ahumada);
  --cta-hover: #9A4B31;
  
  --decoracion: var(--madera-tostada);

  /* Tipografía */
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Manrope', sans-serif;

  /* Espaciado */
  --section-padding: 7.5rem;
  --container-width: 1240px;

  /* Transiciones */
  --ease: cubic-bezier(.4,0,.2,1);
  --transition-slow: 700ms var(--ease);
  --transition-medium: 420ms var(--ease);
  --transition-fast: 220ms var(--ease);

  /* Radios */
  --radius-lg: 12px; 
  --radius-md: 8px;
  --radius-sm: 4px;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg-principal);
  color: var(--texto-principal);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0;
  line-height: 1.15;
  color: var(--texto-principal);
}

p { margin: 0; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

:focus-visible {
  outline: 2px solid var(--cta-principal);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--bg-identidad);
  color: var(--texto-claro);
  padding: 1rem 1.5rem;
  z-index: 999;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; top: 0; }

/* ---------------------------------------------------------
   2. UTILIDADES
--------------------------------------------------------- */
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--decoracion);
  margin-bottom: 1rem;
  display: block;
}

.divider {
  display: block;
  width: 50px;
  height: 1px;
  background: var(--decoracion);
  margin: 1.8rem auto 0;
  position: relative;
}
.divider::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 5px;
  height: 5px;
  background: var(--decoracion);
  border-radius: 50%;
  transform: translate(-50%,-50%) rotate(45deg);
}
.divider--left { margin: 1.8rem 0 0; }

.section__header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 4.5rem;
}

.section__title {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  letter-spacing: 0.01em;
  color: var(--texto-principal);
}
.section__title--left { text-align: left; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  padding: 1rem 2.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  white-space: nowrap;
}

.btn--primary {
  background: var(--cta-principal);
  color: var(--texto-claro);
}
.btn--primary:hover {
  transform: translateY(-2px);
  background: var(--cta-hover);
  box-shadow: 0 8px 20px rgba(179, 92, 62, 0.25);
}

.btn--large {
  padding: 1.15rem 2.8rem;
  font-size: 0.95rem;
}

.btn--outline {
  background: transparent;
  color: var(--bg-identidad);
  border-color: var(--bg-identidad);
}
.btn--outline:hover {
  background: var(--bg-identidad);
  color: var(--texto-claro);
  transform: translateY(-2px);
}

/* ---------------------------------------------------------
   3. NAVBAR
--------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 15px;
  left: 0;
  right: 0;
  z-index: 500;
  display: flex;
  justify-content: center;
  padding: 0 20px;
  transition: top var(--transition-medium), padding var(--transition-medium);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: 100%;
  max-width: 1200px;
  padding: 0.8rem 2.5rem;
  background: rgba(248, 245, 240, 0.95); 
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 999px;
  border: 1px solid rgba(78, 54, 41, 0.1);
  transition: all var(--transition-medium);
}

.navbar.is-scrolled {
  top: 0;
  padding: 0;
}

.navbar.is-scrolled .navbar__inner {
  max-width: 100%;
  border-radius: 0;
  padding: 1rem 5%;
  background: var(--blanco-ceramica);
  border: none;
  border-bottom: 1px solid rgba(78, 54, 41, 0.08);
}

.navbar__logo {
    height: 34px;
    width: auto;
    object-fit: contain;
}

.navbar__nav {
  display: flex;
  gap: 2.2rem;
  justify-content: flex-end;
}

.navbar__link {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--texto-principal);
  position: relative;
  padding: 0.4rem 0;
}

.navbar__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--decoracion);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}
.navbar__link:hover::after { transform: scaleX(1); }

.navbar__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 30px;
  height: 34px;
  background: none;
  border: none;
  padding: 0;
  z-index: 501;
}
.navbar__toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--texto-principal);
  transition: all var(--transition-fast);
}
.navbar__toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(8px) rotate(45deg); }
.navbar__toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.navbar__toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-8px) rotate(-45deg); }

/* ---------------------------------------------------------
   4. MENÚ MÓVIL
--------------------------------------------------------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--blanco-ceramica);
  z-index: 480;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-medium);
}
.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  padding: 2rem;
  width: 100%;
}
.mobile-menu__link {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--texto-principal);
  transition: color var(--transition-fast);
}
.mobile-menu__link:hover { color: var(--decoracion); }
.mobile-menu__cta { margin-top: 1.5rem; }

/* ---------------------------------------------------------
   5. HERO
--------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--negro-carbon);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-attachment: scroll;
}

@media (min-width: 1025px) {
  .hero__bg { background-attachment: fixed; }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(26,26,24,0.4) 0%, rgba(26,26,24,0.85) 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 1.5rem;
  width: 100%;
  max-width: 800px;
  margin-top: 4rem;
}

.hero__logo {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
  width: 100%;
}
.hero__logo-img {
  max-width: min(280px, 100%);
  width: 100%;
  height: auto;
  display: block;
}

.hero__tagline {
  color: var(--texto-claro);
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  max-width: 560px;
  margin: 0 auto 3rem;
  opacity: 0.9;
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 24px;
  height: 40px;
  border: 1px solid rgba(248, 245, 240, 0.3);
  border-radius: 999px;
}
.hero__scroll span {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 4px;
  height: 4px;
  margin-left: -2px;
  background: var(--blanco-ceramica);
  border-radius: 50%;
  animation: scrollDot 2s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { transform: translateY(0); opacity: 1; }
  70% { opacity: 0.3; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* ---------------------------------------------------------
   6. SECCIONES GENÉRICAS
--------------------------------------------------------- */
.section {
  padding: var(--section-padding) 0;
  position: relative;
  background: var(--bg-principal);
}
.section--light { background: var(--blanco-ceramica); }

/* ---------------------------------------------------------
   7. TIPOS DE EVENTOS
--------------------------------------------------------- */
.event-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.event-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  background: var(--texto-principal);
  isolation: isolate;
}
.event-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.event-card:hover img { transform: scale(1.05); }

.event-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(43,58,44,0) 30%, rgba(43,58,44,0.95) 100%);
}

.event-card__content {
  position: absolute;
  left: 1.5rem;
  right: 1.5rem;
  bottom: 1.5rem;
  color: var(--texto-claro);
  z-index: 1;
}
.event-card__content h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  color: var(--texto-claro);
}
.event-card__content p {
  font-size: 0.85rem;
  opacity: 0.9;
  line-height: 1.5;
}

.event-card__arrow {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--blanco-ceramica);
  color: var(--verde-romero);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 2;
}
.event-card__arrow:hover {
  background: var(--cta-principal);
  color: var(--texto-claro);
  transform: rotate(45deg);
}

/* ---------------------------------------------------------
   8. SERVICIOS
--------------------------------------------------------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: 3rem;
  row-gap: 4rem;
}

.service-item {
  color: var(--texto-principal);
  text-align: left;
  border-top: 1px solid rgba(78, 54, 41, 0.15);
  padding-top: 1.5rem;
}

.service-item__icon {
  display: inline-flex;
  width: 36px;
  height: 36px;
  color: var(--decoracion);
  margin-bottom: 1.5rem;
}
.service-item__icon svg { width: 100%; height: 100%; }

.service-item h3 {
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  margin-bottom: 0.6rem;
  color: var(--texto-principal);
}
.service-item p {
  font-size: 0.95rem;
  color: var(--texto-suavizado);
  line-height: 1.6;
}

/* ---------------------------------------------------------
   9. QUIÉNES SOMOS
--------------------------------------------------------- */
#nosotros {
  background: var(--bg-identidad);
  color: var(--texto-claro);
}
#nosotros .section__title { color: var(--texto-claro); }
#nosotros .eyebrow { color: var(--bg-separacion); }
#nosotros .divider { background: var(--bg-separacion); }
#nosotros .divider::after { background: var(--bg-separacion); }

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about__text .section__title { margin-top: 0.5rem; }
.about__paragraph {
  margin: 2rem 0 2.5rem;
  max-width: 480px;
  color: var(--bg-separacion);
  font-size: 1.05rem;
  line-height: 1.8;
}

#nosotros .btn--outline {
  color: var(--texto-claro);
  border-color: var(--bg-separacion);
}
#nosotros .btn--outline:hover {
  background: var(--texto-claro);
  color: var(--bg-identidad);
}

.about__image img {
  border-radius: var(--radius-sm);
  aspect-ratio: 4/5;
  object-fit: cover;
  width: 100%;
}

/* ---------------------------------------------------------
   10. FOOTER
--------------------------------------------------------- */
.footer {
  background: var(--bg-identidad);
  color: var(--texto-claro);
  padding: 6rem 0 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(211, 208, 201, 0.1);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: 1.8rem;
  color: var(--texto-claro);
}
.footer__logo span {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.4em;
  color: var(--bg-separacion);
  font-family: var(--font-body);
  margin-top: 0.5rem;
  text-transform: uppercase;
}

.footer__contact h3,
.footer__social h3 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--bg-separacion);
  margin-bottom: 1.5rem;
}

.footer__contact p { 
  margin-bottom: 0.8rem; 
  font-size: 0.95rem;
  color: var(--texto-claro);
}
.footer__contact a { transition: color var(--transition-fast); }
.footer__contact a:hover { color: var(--cta-principal); }

.footer__social-links {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.footer__social-links a {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  color: var(--texto-claro);
}
.footer__social-links a:hover { color: var(--cta-principal); }

.footer__bottom {
  text-align: center;
  padding-top: 2rem;
  font-size: 0.85rem;
  color: var(--bg-separacion);
  opacity: 0.6;
}

/* ---------------------------------------------------------
   11. WHATSAPP FLOTANTE
--------------------------------------------------------- */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--arcilla-ahumada);
  color: var(--texto-claro);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px rgba(26, 26, 24, 0.15);
  z-index: 450;
  transition: all var(--transition-fast);
}
.whatsapp-float:hover {
  transform: translateY(-4px);
  background: var(--cta-principal);
  box-shadow: 0 15px 35px rgba(179, 92, 62, 0.3);
}

/* ---------------------------------------------------------
   12. ANIMACIONES / REVEAL
--------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1000ms var(--ease), transform 1000ms var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------------------------------------------------------
   13. RESPONSIVE MEDIA QUERIES (Mobile-First / Breakpoints)
--------------------------------------------------------- */

/* TABLETS Y ESCRITORIOS MEDIANOS (Max 1024px) */
@media (max-width: 1024px) {
  :root { --section-padding: 5.5rem; }
  .container { padding: 0 2rem; }
  .navbar__inner { gap: 2rem; }
  .service-grid { grid-template-columns: repeat(2, 1fr); column-gap: 2.5rem; row-gap: 3rem; }
  .about { gap: 3rem; }
}

/* TABLETS PEQUEÑAS (Max 768px) */
@media (max-width: 768px) {
  :root { --section-padding: 4.5rem; }
  
  .navbar__nav { display: none; } /* Oculta navegación nativa */
  .navbar__toggle { display: flex; } /* Muestra el botón de menú */
  .navbar__inner { padding: 0.8rem 1.8rem; }

  .event-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .about { grid-template-columns: 1fr; gap: 3.5rem; text-align: center; }
  .about__text .section__title--left, 
  .about__text .divider--left { text-align: center; margin-left: auto; margin-right: auto; }
  .about__paragraph { margin: 1.5rem auto 2rem; }
  .about__image img { aspect-ratio: 16/10; max-height: 380px; }

  .footer__grid { grid-template-columns: 1fr; gap: 3rem; text-align: center; padding-bottom: 3rem; }
  .footer__brand { display: flex; flex-direction: column; align-items: center; }
  .footer__social-links { align-items: center; }
}

/* DISPOSITIVOS MÓVILES (Max 480px) */
@media (max-width: 480px) {
  :root { --section-padding: 3.8rem; }
  .container { padding: 0 1.25rem; }
  
  .navbar { top: 10px; padding: 0 12px; }
  .navbar__inner { padding: 0.6rem 1.25rem; }
  .navbar__logo { height: 28px; }

  .hero__content { padding: 0 1rem; }
  .hero__tagline { margin-bottom: 2.5rem; }
  .btn { width: 100%; padding: 0.9rem 1.5rem; font-size: 0.85rem; }
  .btn--large { padding: 1rem 2rem; }

  .event-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .event-card { aspect-ratio: 4/3; }

  .service-grid { grid-template-columns: 1fr; row-gap: 2.2rem; }
  .service-item { padding-top: 1.2rem; }
  .service-item__icon { margin-bottom: 1rem; }

  .whatsapp-float { width: 54px; height: 54px; bottom: 1.5rem; right: 1.5rem; }
}

/* SOPORTE ULTRA CORTO PARA DISPOSITIVOS DE 320PX */
@media (max-width: 340px) {
  .section__title { font-size: 1.9rem; }
  .footer__logo { font-size: 1.7rem; }
}


/* ---------------------------------------------------------
   9.5. CLIENTES / EMPRESAS (Carrusel Infinito Automático)
--------------------------------------------------------- */
.clients-slider {
  width: 100%;
  overflow: hidden; 
  position: relative;
  padding: 2rem 0; /* Aumenté un poco el espacio para que el fondo gris se luzca más */
  background-color: #E3E1DC; /* Un tono gris claro y cálido que combina con tu paleta */
  border-radius: var(--radius-md); /* Suaviza las esquinas de la barra gris */
}

/* Efecto de desvanecido a los lados (Fade) actualizado al nuevo gris */
.clients-slider::before,
.clients-slider::after {
  content: "";
  position: absolute;
  top: 0;
  width: 50px; 
  height: 100%;
  z-index: 2;
  pointer-events: none;
}
.clients-slider::before {
  left: -1px;
  /* Reemplazamos var(--blanco-ceramica) por el nuevo gris (#E3E1DC) */
  background: linear-gradient(to right, #E3E1DC 0%, transparent 100%);
}
.clients-slider::after {
  right: -1px;
  /* Reemplazamos var(--blanco-ceramica) por el nuevo gris (#E3E1DC) */
  background: linear-gradient(to left, #E3E1DC 0%, transparent 100%);
}

.clients-track {
  display: flex;
  width: max-content; /* Clave: permite que la pista crezca lo necesario, sin aplastarse */
  animation: scroll-infinito 20s linear infinite; 
}

.clients-slide {
  display: flex;
  align-items: center;
  gap: 3rem; /* Separación fija entre cada logo */
  padding: 0 1.5rem; /* Mitad del gap (1.5+1.5 = 3) para un reinicio invisible */
}

.client-item {
  flex-shrink: 0; /* IMPIDE que los logos se superpongan o aplasten en celulares */
  display: flex;
  justify-content: center;
  align-items: center;
}

/* --- EFECTO DE LOGOS GRISES QUE CAMBIAN A COLOR --- */
.client-logo {
  max-width: 100px; /* Tamaño adaptado para móviles */
  height: auto;
  opacity: 0.6; 
  filter: grayscale(0%); 
  transition: all 0.4s ease; 
}

.client-item:hover .client-logo {
  opacity: 1; 
  filter: grayscale(0%); 
  transform: scale(1.05); 
}

/* --- LA MAGIA DEL BUCLE INFINITO --- */
@keyframes scroll-infinito {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); } 
}

/* --- ADAPTACIÓN PARA COMPUTADORES --- */
@media (min-width: 768px) {
  .clients-slider::before,
  .clients-slider::after {
    width: 100px; /* Sombra más ancha en PC */
  }
  .client-logo {
    max-width: 150px; /* Logos más grandes en PC */
  }
  .clients-slide {
    gap: 5rem; /* Más separación en pantallas grandes */
    padding: 0 2.5rem;
  }
}