:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #f59e0b;
}

.hero-gradient {
    background: linear-gradient(135deg, #1e3a8a 0%, #0ea5e9 100%);
}

.portfolio-item {
    perspective: 1000px;
}

.portfolio-item-inner {
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.portfolio-item:hover .portfolio-item-inner {
    transform: rotateY(10deg);
}

.portfolio-overlay {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0;
    transform: translateY(20px);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
    transform: translateY(0);
}

.service-card {
    transition: all 0.3s ease;
    transform: translateY(0);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.nav-link {
    position: relative;
}

.nav-link:after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary);
    transition: width 0.3s ease;
    border-radius: 3px;
}

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

.brand-tagline {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-top: -0.2rem;
}

.floating {
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-15px);
    }

    100% {
        transform: translateY(0px);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

.input-field:focus {
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
}

.scroll-indicator {
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-20px);
    }

    60% {
        transform: translateY(-10px);
    }
}

.progress-container {
    width: 100%;
    height: 4px;
    background: #e5e7eb;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
}

.progress-bar {
    height: 4px;
    background: var(--primary);
    width: 0%;
    transition: width 0.1s;
}