/* =========================================
   CUSTOM STYLES (Material Design Enhancements)
   ========================================= */

:root {
    --bs-primary: #3b82f6;
    --bs-primary-rgb: 59, 130, 246;
    --bs-font-sans-serif: 'Inter', sans-serif;
}

body {
    font-family: var(--bs-font-sans-serif);
    -webkit-font-smoothing: antialiased;
}

/* Material Design Shadows & Transitions */
.shadow-hover {
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.shadow-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1) !important;
}

.shadow-primary {
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
}

.shadow-lg-primary:hover {
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.23);
    transform: translateY(-1px);
}

/* Typography & Colors */
.text-primary-gradient {
    background: linear-gradient(to right, #3b82f6, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Navbar Tweaks */
.navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.9) !important;
    transition: all 0.3s ease;
}

.navbar .nav-link {
    font-weight: 500;
    color: #4b5563;
    transition: color 0.2s;
}

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

/* Hero Section */
.hero-section {
    padding-top: 100px; /* Offset fixed navbar */
    min-height: 100vh;
    background: radial-gradient(circle at top right, #f0f9ff, transparent 40%);
}

@media (min-width: 992px) {
    .hero-section {
        min-height: 90vh;
    }
}

/* Material Cards */
.material-card {
    transition: all 0.3s ease;
}

.material-card:hover {
    transform: translateY(-5px);
}

/* Form Inputs (Material-ish) */
.form-control {
    padding: 0.8rem 1rem;
    background-color: #f8fafc;
    border: 1px solid transparent;
    transition: all 0.2s;
}

.form-control:focus {
    background-color: #ffffff;
    border-color: #bfdbfe;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.5, 0, 0, 1), transform 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Blur Utilities */
.blur-3xl {
    filter: blur(64px);
}

/* Scroll Behavior */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}