:root {
    --primary-red: #dc2626;
    --primary-blue: #2563eb;
    --dark-slate: #0f172a;
    --medium-slate: #334155;
    --light-slate: #f1f5f9;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light-slate);
    color: var(--medium-slate);
    overflow-x: hidden;
}

.glass-nav {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.btn-primary {
    background-color: var(--primary-red);
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(220, 38, 38, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background-color: #ef4444;
    box-shadow: 0 7px 20px rgba(220, 38, 38, 0.3);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: var(--primary-blue);
    color: white;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--primary-red);
    transition: width 0.3s ease;
}

.nav-link.active::after,
.nav-link:hover::after {
    width: 50%;
}

.section-title {
    color: var(--dark-slate);
}

.highlight-red {
    color: var(--primary-red);
}

.highlight-blue {
     color: var(--primary-blue);
}

.feature-card {
    background-color: white;
    border: 1px solid rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

/* WhatsApp Floating Buttons */
.whatsapp-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.whatsapp-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    color: white;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease;
}

.whatsapp-link:hover {
    transform: scale(1.1);
}

.whatsapp-1 { background-color: #25D366; }
.whatsapp-2 { background-color: #128C7E; } /* A slightly different green for distinction */

/* Styles for the Image Dump Frame */
.image-grid-frame {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 1rem; /* 16px */
    height: 60vh;
    max-height: 500px;
}

.image-slot {
    position: relative;
    overflow: hidden;
    background-color: #e2e8f0;
    border-radius: 0.5rem; /* 8px */
}

.image-slot img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
}

.fly-in {
    animation: flyIn 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.fade-out {
    animation: fadeOut 1s ease-in-out forwards;
}

@keyframes flyIn {
    from { 
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    to { 
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}