:root {
    --primary: #1976d2;
    --primary-dark: #1565c0;
    --secondary: #2196f3;
    --accent: #ff9800;
    --dark: #1d1d1d;
    --light: #f8fafc;
}

body {
    font-family: "Inter", sans-serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    scroll-behavior: smooth;
}

.hero-bg {
    background: linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--primary-dark) 100%
    );
    position: relative;
    overflow: hidden;
}

.hero-bg::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(
            circle at 20% 80%,
            rgba(255, 255, 255, 0.1) 0%,
            transparent 20%
        ),
        radial-gradient(
            circle at 80% 20%,
            rgba(255, 255, 255, 0.1) 0%,
            transparent 20%
        );
    z-index: 0;
}

.hero-bg > * {
    position: relative;
    z-index: 2;
}

.floating {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(5deg);
    }

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

.tilt-card {
    transform: perspective(1000px) rotateX(5deg) rotateY(0deg) rotateZ(0deg);
    transition: all 0.5s ease;
    box-shadow:
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.tilt-card:hover {
    transform: perspective(1000px) rotateX(0deg) rotateY(0deg) rotateZ(0deg)
        translateY(-10px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.section-title::after {
    content: "";
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    margin: 15px auto;
    border-radius: 2px;
}

.testimonial-card {
    transform: perspective(1000px) rotateY(-5deg);
    transition: all 0.5s ease;
}

.testimonial-card:nth-child(even) {
    transform: perspective(1000px) rotateY(5deg);
}

.testimonial-card:hover {
    transform: perspective(1000px) rotateY(0deg);
}

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

.country-card:hover {
    transform: translateY(-5px) scale(1.05);
}

.stagger-animation > * {
    opacity: 0;
    transform: translateY(20px);
}

.btn-glow {
    box-shadow: 0 0 15px rgba(33, 150, 243, 0.5);
    transition: all 0.3s ease;
}

.btn-glow:hover {
    box-shadow: 0 0 25px rgba(33, 150, 243, 0.8);
    transform: translateY(-2px);
}