/* ==========================================================================
   Intecnologica - Estilos Principales
   ========================================================================== */

body {
  font-family: 'Roboto', sans-serif;
}

h1,
h2,
h3 {
  font-family: 'Merriweather', serif;
}

/* Checkbox Hack — Menú Móvil */
#menu-toggle:checked ~ #mobile-menu {
  display: flex;
}

#menu-toggle:checked ~ label[for="menu-toggle"] .bar-top {
  transform: rotate(45deg) translate(5px, 6px);
}

#menu-toggle:checked ~ label[for="menu-toggle"] .bar-mid {
  opacity: 0;
}

#menu-toggle:checked ~ label[for="menu-toggle"] .bar-bot {
  transform: rotate(-45deg) translate(5px, -6px);
}

.bar-top,
.bar-mid,
.bar-bot {
  transition: all 0.3s ease;
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
}

/* Gradiente de texto */
.gradient-text {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Tarjeta hover lift */
.card-hover {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(5, 13, 26, 0.3);
}

/* Imagen grayscale a color */
.img-gray {
  filter: grayscale(100%);
  transition: filter 0.5s ease;
}

.img-gray:hover {
  filter: grayscale(0%);
}

/* Testimonial quote */
.testimonial-card::before {
  content: '\201C';
  font-family: 'Merriweather', serif;
  font-size: 5rem;
  line-height: 1;
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  color: rgba(245, 158, 11, 0.15);
  pointer-events: none;
}

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

/* Partner logos grayscale */
.partner-logo {
  filter: grayscale(100%) brightness(0.6);
  transition: filter 0.3s ease;
}

.partner-logo:hover {
  filter: grayscale(0%) brightness(1);
}

/* Animated underline */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #f59e0b;
  transition: width 0.3s ease;
}

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