html {
    scroll-behavior: smooth;
}
body {
    font-family: 'Nunito Sans', sans-serif;
    background: linear-gradient(170deg, #f7f9fc 0%, #ffffff 100%);
    color: #5091cd;
    transition: background-color 0.5s ease;
}
body.quiz-active {
    background-color: #f8f9fa;
}
h1, h2, h3, h4 {
    font-family: 'Poppins', sans-serif;
    color: #5091cd;
}
p {
    color: #5091cd;
}
a {
    color: #5091cd;
}
.nav-link:hover {
    color: #16161b;
    background-color: rgba(80, 145, 205, 0.1);
}

/* Card and Interactive Elements */
.card {
    background-color: white;
    border: 1px solid #e6e7e8;
    box-shadow: 0 4px 15px rgba(80, 145, 205, 0.05);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform-style: preserve-3d;
}
.card:hover {
    box-shadow: 0 10px 30px rgba(80, 145, 205, 0.15);
}
.interactive-cards .card {
    will-change: transform;
}
.icon-container {
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.card:hover .icon-container {
    transform: translateZ(20px);
}

.hero-card {
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Button Styling */
@keyframes pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 4px 10px rgba(80, 145, 205, 0.2); }
    50% { transform: scale(1.03); box-shadow: 0 7px 20px rgba(80, 145, 205, 0.3); }
}
.btn-primary {
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 600;
    background-image: linear-gradient(to right, #5091cd 0%, #437aae 50%, #5091cd 100%);
    background-size: 200% auto;
    color: white;
    transition: all 0.4s ease;
    box-shadow: 0 4px 10px rgba(80, 145, 205, 0.2);
    animation: pulse 2.5s infinite;
    border: none;
}
.btn-primary:hover {
    background-position: right center;
    transform: translateY(-2px);
    box-shadow: 0 7px 20px rgba(80, 145, 205, 0.25);
    animation: none;
}
.btn-option {
    font-family: 'Nunito Sans', sans-serif;
    font-weight: 600;
    background-color: white;
    border: 1px solid #5091cd;
    color: #5091cd;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn-option:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 4px 10px rgba(80, 145, 205, 0.1);
    background-color: #f0f6fc;
}
.btn-option.selected {
    background-color: #5091cd;
    border-color: #5091cd;
    color: white;
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 4px 10px rgba(80, 145, 205, 0.2);
}
/* Progress Bar */
.progress-bar-bg {
    background-color: #e6e7e8;
}
.progress-bar {
    background-image: linear-gradient(to right, #5091cd, #63a4e2);
    transition: width 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}
.trait-bar {
    display: flex;
    height: 1.5rem;
    overflow: hidden;
    font-size: .75rem;
    background-color: #e9ecef;
    border-radius: .5rem;
}
.bar-segment {
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    color: #fff;
    text-align: center;
    white-space: nowrap;
    transition: width .8s cubic-bezier(0.25, 1, 0.5, 1);
}
.bar-left { background-color: #5091cd; }
.bar-right { background-color: #a0aec0; }

/* Animation Classes */
.animated-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.animated-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

/* Page Transitions */
.page {
    transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
}
.page.hidden {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.98);
}

/* Header Styling */
header {
    transition: padding 0.3s ease-in-out;
}
#header-content {
    padding: 0.25rem 1.5rem;
    border-radius: 9999px;
    transition: all 0.3s ease-in-out;
}
header.scrolled {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}
header.scrolled #header-content {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
#question-text {
    transition: opacity 0.3s ease-out, transform 0.3s ease-out;
    transform-origin: center;
}
#question-text.fade-out {
    opacity: 0;
    transform: scale(0.95);
}
footer {
    color: #5091cd;
}