:root {
    --bg-color: #0f1115;
    --card-bg: #1a1d23;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #00d4ff; /* A nice cyan/blue accent */
    --accent-hover: #00b8d4;
    --card-hover-shadow: 0 10px 30px rgba(0, 212, 255, 0.15);
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

/* Background Animation */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 50% 50%, #1a202c 0%, #0f1115 100%);
    overflow: hidden;
}

.background-animation::before,
.background-animation::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
    animation: float 20s infinite ease-in-out;
}

.background-animation::before {
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.background-animation::after {
    bottom: -100px;
    right: -100px;
    animation-delay: -10s;
}

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

/* Layout */
.container {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

/* Header */
.main-header {
    margin-bottom: 4rem;
}

.main-header h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.main-header .highlight {
    color: var(--accent-color);
    background: linear-gradient(90deg, var(--accent-color), #00ffaa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.main-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Grid */
.companies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    width: 100%;
    max-width: 1000px;
}

/* Cards */
.company-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-speed) ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    position: relative;
    overflow: hidden;
}

.company-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-hover-shadow);
    border-color: rgba(0, 212, 255, 0.3);
}

.card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
    z-index: 1;
}

.company-card img {
    max-width: 100%;
    max-height: 80px;
    object-fit: contain;
    filter: grayscale(20%) brightness(0.9);
    transition: all var(--transition-speed) ease;
}

.company-card:hover img {
    filter: grayscale(0%) brightness(1.1);
    transform: scale(1.05);
}

.hover-indicator {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-color);
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-speed) ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.company-card:hover .hover-indicator {
    opacity: 1;
    transform: translateY(0);
}

.disabled-card {
    cursor: default;
    opacity: 0.7;
}

.disabled-card:hover {
    transform: none;
    box-shadow: none;
    border-color: rgba(255, 255, 255, 0.05);
}

.disabled-card .hover-indicator {
    opacity: 1;
    transform: translateY(0);
    color: var(--text-secondary);
}

/* Footer */
.main-footer {
    padding: 2rem;
    background-color: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: auto;
    width: 100%;
    text-align: center;
}

.footer-contacts {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition-speed);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.03);
}

.contact-link:hover {
    color: #25D366; /* WhatsApp Green */
    background: rgba(37, 211, 102, 0.1);
}

.contact-link i {
    font-size: 1.2rem;
}

.copyright {
    font-size: 0.85rem;
    color: #666;
}

/* Animations */
.fade-in-down {
    animation: fadeInDown 0.8s ease-out forwards;
    opacity: 0;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.6s; }

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Responsive */
@media (max-width: 768px) {
    .main-header h1 {
        font-size: 2rem;
    }
    
    .companies-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }
    
    .footer-contacts {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
}