:root {
    --primary-color: #4e54c8;
    --secondary-color: #8f94fb;
    --accent-color: #00d2ff;
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(255, 255, 255, 0.4);
    --text-dark: #2c3e50;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* Navbar */
.navbar {
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    padding: 0.8rem 0;
}

.nav-link {
    font-weight: 500;
    color: #555 !important;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color) !important;
}

/* Hero Section */
#home {
    min-height: 100vh;
    background-color: #f8faff;
    /* Subtle Tech Grid Pattern */
    background-image: 
        linear-gradient(rgba(78, 84, 200, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(78, 84, 200, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    position: relative;
    overflow: hidden;
}

.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none; /* Allow clicks to pass through */
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: floatShape 20s infinite alternate ease-in-out;
}

/* Purple/Blue Blob - Top Left */
.shape-1 {
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(143, 148, 251, 0.5) 0%, rgba(255, 255, 255, 0) 70%);
    top: -20%;
    left: -15%;
    animation-duration: 25s;
}

/* Cyan/Blue Blob - Bottom Right */
.shape-2 {
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(0, 210, 255, 0.4) 0%, rgba(255, 255, 255, 0) 70%);
    bottom: -15%;
    right: -10%;
    animation-duration: 22s;
    animation-delay: -5s;
}

/* Pinkish Accent - Center Floating */
.shape-3 {
    width: 30vw;
    height: 30vw;
    background: radial-gradient(circle, rgba(255, 154, 158, 0.3) 0%, rgba(255, 255, 255, 0) 70%);
    top: 30%;
    left: 40%;
    animation-duration: 18s;
    animation-delay: -10s;
}

@keyframes floatShape {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, 30px) scale(1.05); }
    100% { transform: translate(-20px, 10px) scale(0.95); }
}

/* Glass Cards */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.1);
}

/* Product Cards */
.product-card {
    background: rgba(255, 255, 255, 0.8);
}

/* Utilities */
.py-6 {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.text-purple {
    color: #6f42c1;
}

.bg-purple-subtle {
    background-color: #e2d9f3;
}

.bg-light-gradient {
    background: linear-gradient(to bottom, #ffffff, #f8f9fa);
}

.bg-dark-overlay {
    background: linear-gradient(45deg, #1a1a2e, #16213e);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border: none;
    transition: transform 0.2s;
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(78, 84, 200, 0.4);
}

/* Responsive */
@media (max-width: 991px) {
    #home {
        min-height: auto;
        padding-top: 120px;
        padding-bottom: 60px;
    }
    
    .display-3 {
        font-size: 2.5rem;
    }
}