/* =============================================
   Base — Material Symbols
   ============================================= */
.material-symbols-outlined {
  font-variation-settings:
    "FILL" 0,
    "wght" 400,
    "GRAD" 0,
    "opsz" 24;
  vertical-align: middle;
}

/* =============================================
   Brand Gradients
   ============================================= */
.gradient-hero {
  background: linear-gradient(135deg, #0D1929 0%, #1B2A4A 40%, #2E4A6F 100%);
}

.gradient-steel {
  background: linear-gradient(135deg, #1B2A4A 0%, #2E4A6F 100%);
}

.gradient-gold {
  background: linear-gradient(135deg, #C49A2A 0%, #E8C96A 100%);
}

.gradient-gold-text {
  background: linear-gradient(135deg, #C49A2A, #E8C96A);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* =============================================
   Glass Effects
   ============================================= */
.glass-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.glass-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.glass-dark {
  background: rgba(27, 42, 74, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* =============================================
   Glow Effects
   ============================================= */
.gold-glow {
  box-shadow: 0 0 30px -5px rgba(196, 154, 42, 0.25);
}

.steel-glow {
  box-shadow: 0 0 30px -5px rgba(46, 74, 111, 0.25);
}

.card-hover-glow {
  transition: box-shadow 0.4s ease, transform 0.3s ease;
}
.card-hover-glow:hover {
  box-shadow: 0 20px 60px -12px rgba(27, 42, 74, 0.15);
  transform: translateY(-4px);
}

/* =============================================
   Asymmetric Grid (servicios.html)
   ============================================= */
.asymmetric-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
}

@media (max-width: 768px) {
  .asymmetric-grid {
    grid-template-columns: 1fr;
  }
}

/* =============================================
   Scroll Reveal Animation
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Staggered children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.35s; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.45s; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.55s; opacity: 1; transform: translateY(0); }

/* =============================================
   Counter Animation
   ============================================= */
.counter-value {
  display: inline-block;
  min-width: 2ch;
}

/* =============================================
   Mobile Menu
   ============================================= */
.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.3s ease;
  opacity: 0;
}

.mobile-menu.open {
  max-height: 400px;
  opacity: 1;
}

/* =============================================
   WhatsApp Float Button
   ============================================= */
.whatsapp-float {
  animation: float 4s ease-in-out infinite,
             pulse-gold 3s ease-in-out infinite;
}

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

@keyframes pulse-gold {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3); }
  50%      { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.5); }
}

/* =============================================
   Decorative Patterns
   ============================================= */
.dot-pattern {
  background-image: radial-gradient(circle, #1B2A4A 1px, transparent 1px);
  background-size: 24px 24px;
}

.line-pattern {
  background-image: linear-gradient(90deg, rgba(27, 42, 74, 0.04) 1px, transparent 1px),
                    linear-gradient(rgba(27, 42, 74, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* =============================================
   Progress Bar Animation
   ============================================= */
.progress-bar {
  width: 0;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-bar.animate {
  /* width set inline */
}

/* =============================================
   Hover Link Underline Effect
   ============================================= */
.link-hover-underline {
  position: relative;
}

.link-hover-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #C49A2A;
  transition: width 0.3s ease;
}

.link-hover-underline:hover::after {
  width: 100%;
}

/* =============================================
   Selection
   ============================================= */
::selection {
  background: rgba(196, 154, 42, 0.2);
  color: #1B2A4A;
}

/* =============================================
   Scrollbar Styling
   ============================================= */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #F0F3F8;
}

::-webkit-scrollbar-thumb {
  background: #C2C7D0;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #9AB4D4;
}

/* =============================================
   Smooth Scroll
   ============================================= */
html {
  scroll-behavior: smooth;
}