body {
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: #FFFFFF;
    color: #1F2937;
}

#inicio {
    background-image: linear-gradient(rgba(0, 44, 66, 0.7), rgba(0, 44, 66, 0.7)), url('https://i.ibb.co/7NQ9504t/HERO.jpg');
    background-size: cover;
    background-position: center;
}

html {
    scroll-behavior: smooth;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.165, 0.84, 0.44, 1), transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-200 { transition-delay: 200ms; }
.delay-400 { transition-delay: 400ms; }
.delay-600 { transition-delay: 600ms; }

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out;
}

.accordion-button.active .accordion-icon {
    transform: rotate(180deg);
}
.accordion-button .accordion-icon {
    transition: transform 0.3s ease-out;
}

.header-shadow {
    box-shadow: 0 4px 12px -1px rgba(0, 0, 0, 0.05);
}

.brand-blue { color: #002c42; }
.brand-gold { color: #d2b07f; }
.bg-brand-blue { background-color: #002c42; }
.bg-brand-gold { background-color: #d2b07f; }
.border-brand-gold { border-color: #d2b07f; }
.hover\:bg-brand-gold-dark:hover { background-color: #c1a072; }
.hover\:bg-brand-blue-dark:hover { background-color: #001f2e; }
.accordion-button.active { color: #002c42; }

.whatsapp-button {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    background-color: #25D366;
    color: white;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transition: transform 0.3s ease;
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-button:hover {
    transform: scale(1.1);
    animation: none;
}

@keyframes whatsapp-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}