/* ============================================
   4 Hermanos — Custom Styles
   Clean Minimalist | Navy + Gold
   ============================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  overflow-x: hidden;
}

::selection {
  background: rgba(201, 162, 39, 0.2);
  color: #0a1628;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #0a1628;
}
::-webkit-scrollbar-thumb {
  background: rgba(201, 162, 39, 0.3);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(201, 162, 39, 0.5);
}

/* --- Navbar --- */
#navbar {
  background: transparent;
  transition: background 0.5s ease, backdrop-filter 0.5s ease, box-shadow 0.5s ease;
}

#navbar.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

#navbar.scrolled .nav-link,
#navbar.scrolled a {
  color: rgba(255, 255, 255, 0.7);
}

/* --- Mobile Menu --- */
#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

#mobile-menu.open .mobile-link {
  animation: fadeUp 0.4s ease forwards;
  opacity: 1;
}

#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { animation-delay: 0.25s; }
#mobile-menu.open .mobile-link:nth-child(6) { animation-delay: 0.3s; }

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Menu Toggle Animation --- */
#menu-toggle.active .menu-line:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}
#menu-toggle.active .menu-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
#menu-toggle.active .menu-line:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
  width: 1.5rem;
}

/* --- Scroll Reveal (progressive enhancement) --- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }

  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }

  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
  .reveal-delay-4 { transition-delay: 0.4s; }
}

/* --- Button Focus States --- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 1px solid rgba(201, 162, 39, 0.5);
  outline-offset: 2px;
}

/* --- Form Input Autofill --- */
input:-webkit-autofill,
textarea:-webkit-autofill {
  -webkit-text-fill-color: #ffffff;
  -webkit-box-shadow: 0 0 0px 1000px transparent inset;
  transition: background-color 5000s ease-in-out 0s;
}

/* --- Image Lazy Loading --- */
img {
  loading: lazy;
}