html {
  scroll-behavior: smooth;
  /* Anclas nativas (p. ej. #contact al cargar con hash): compensar header fijo */
  scroll-padding-top: 5.5rem;
}
body { font-family: 'Open Sans', sans-serif; }
h1, h2, h3, h4, h5, h6 { font-family: 'Merriweather', serif; }

/* Header: igual que Lovable (Header.tsx) — transparente arriba, bg-white + shadow-lg al hacer scroll */
.site-header {
  background: transparent;
}
.site-header.is-scrolled {
  background: #ffffff;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

.site-header:not(.is-scrolled) .site-title,
.site-header:not(.is-scrolled) .mobile-menu-toggle {
  color: hsl(var(--primary-foreground));
}
.site-header.is-scrolled .site-title,
.site-header.is-scrolled .mobile-menu-toggle {
  color: hsl(var(--foreground));
}

/* Navegación: opacidades y hovers como en Lovable */
.site-header:not(.is-scrolled) .desktop-nav-link,
.site-header:not(.is-scrolled) .mobile-nav-link {
  color: hsl(var(--primary-foreground) / 0.9);
}
.site-header:not(.is-scrolled) .desktop-nav-link:hover,
.site-header:not(.is-scrolled) .mobile-nav-link:hover {
  color: hsl(var(--brand-steel-light));
}
.site-header.is-scrolled .desktop-nav-link,
.site-header.is-scrolled .mobile-nav-link {
  color: hsl(var(--foreground) / 0.8);
}
.site-header.is-scrolled .desktop-nav-link:hover,
.site-header.is-scrolled .mobile-nav-link:hover {
  color: hsl(var(--foreground));
}

.site-logo[data-top-invert="true"] { filter: brightness(0) invert(1); }
.site-header.is-scrolled .site-logo[data-top-invert="true"] { filter: none; }

/* Menú móvil abierto: overlay oscuro arriba del hero; fondo claro cuando el header ya hizo scroll */
.site-header:not(.is-scrolled) .mobile-nav:not(.hidden) {
  background-color: rgb(0 0 0 / 0.4);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  border-color: hsl(var(--primary-foreground) / 0.1);
}
.site-header.is-scrolled .mobile-nav:not(.hidden) {
  background-color: hsl(var(--background));
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  border-color: hsl(var(--border));
}

/* Solo estos usan !important; una regla global .hidden rompía `hidden md:flex` del nav. */
.mobile-nav.hidden,
.lightbox.hidden {
  display: none !important;
}

.text-brand-slate { color: hsl(var(--brand-slate)); }
.bg-brand-graphite { background-color: hsl(var(--brand-graphite)); }
.bg-brand-steel { background-color: hsl(var(--brand-steel)); }
.bg-brand-steel:hover,
.hover\:bg-brand-steel-dark:hover { background-color: hsl(var(--brand-steel-dark)); }
.text-brand-accent { color: hsl(var(--brand-accent)); }
/* SVG con fill+stroke como Lucide (ej. estrellas): clase en el propio <svg> */
svg.fill-brand-accent {
  fill: hsl(var(--brand-accent));
  color: hsl(var(--brand-accent));
}
/* Contenedor con icono hijo (patrón span > svg) */
.fill-brand-accent:not(svg) {
  color: hsl(var(--brand-accent));
}
.fill-brand-accent:not(svg) svg {
  fill: currentColor;
}
.text-primary-foreground { color: hsl(var(--primary-foreground)); }

.bg-black\/40 { background-color: rgb(0 0 0 / 0.4); }
.bg-black\/60 { background-color: rgb(0 0 0 / 0.6); }
.bg-black\/70 { background-color: rgb(0 0 0 / 0.7); }
.bg-black\/80 { background-color: rgb(0 0 0 / 0.8); }
.bg-black\/90 { background-color: rgb(0 0 0 / 0.9); }

/* Hero: timings como framer-motion en HeroSection.tsx */
.hero-eyebrow {
  opacity: 0;
  transform: translateY(20px);
  animation: uusHeroFadeUp 0.6s ease forwards;
  animation-delay: 0.2s;
}
.hero-title {
  opacity: 0;
  transform: translateY(30px);
  animation: uusHeroFadeUpTitle 0.7s ease forwards;
  animation-delay: 0.4s;
}
.hero-divider {
  transform: scaleX(0);
  transform-origin: center;
  animation: uusHeroLine 0.6s ease forwards;
  animation-delay: 0.8s;
}
.hero-description {
  opacity: 0;
  transform: translateY(20px);
  animation: uusHeroFadeUp 0.6s ease forwards;
  animation-delay: 1s;
}
.hero-button {
  opacity: 0;
  transform: translateY(20px);
  animation: uusHeroFadeUp 0.6s ease forwards;
  animation-delay: 1.2s;
}

@keyframes uusHeroFadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes uusHeroFadeUpTitle {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes uusHeroLine {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* About: card principal como motion.div (0.7s, delay 0.15, y: 40) */
.section-about .relative > .relative {
  opacity: 0;
  transform: translateY(40px);
  animation: uusAboutReveal 0.7s ease forwards;
  animation-delay: 0.15s;
}
@keyframes uusAboutReveal {
  to { opacity: 1; transform: translateY(0); }
}

.value-card {
  opacity: 0;
  transform: translateY(20px);
}
.value-card.in-view {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease, background-color 0.3s ease, border-color 0.3s ease;
}

.lightbox { cursor: pointer; }
.lightbox img { cursor: default; }

.contact-submit.is-loading { opacity: 0.7; pointer-events: none; }
.field-error.hidden { display: none; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}