:root {
    --primary: #007bff;
    --glass: rgba(255, 255, 255, 0.08);
    --text-light: #ffffff;
}

/* 1. Animated Rainbow Background for the whole page */
body {
    font-family: 'Inter', sans-serif;
    color: var(--text-light);
    margin: 0;
    overflow-x: hidden;
    /* Rainbow Gradient */
    background: linear-gradient(-45deg, #0a0e17, #1a1a2e, #16213e, #0f3460, #1a1a2e);
    background-size: 400% 400%;
    animation: rainbowGradient 15s ease infinite;
}

/* 2. Animated Header Color */
.navbar {
    background: linear-gradient(90deg, rgba(7, 73, 226, 0.9), rgba(229, 7, 174, 0.9), rgba(55, 221, 4, 0.9));
    background-size: 200% auto;
    animation: rainbowGradient 10s linear infinite;
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Logo Styling: Small & Round */
.brand-logo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
}

/* Background Animation Keyframes */
@keyframes rainbowGradient {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Modern Gradient Text for Headings */
.text-gradient {
    background: linear-gradient(90deg, #ff0080, #7928ca, #0070f3, #00dfd8);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shine 3s linear infinite;
}

@keyframes shine {
    to {
        background-position: 200% center;
    }
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--glass);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.glass-card:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: #0070f3;
    box-shadow: 0 10px 30px rgba(0, 112, 243, 0.3);
}

/* Section Contrast */
.bg-dark-variant {
    background: rgba(0, 0, 0, 0.3);
}

/* Floating WhatsApp Animation */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(45deg, #25d366, #128c7e);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    transition: 0.3s;
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(10deg);
    color: white;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}