/* Custom Global Setup */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: #F8FAFC;
    color: #1E293B;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Navigation Layout */
header {
    background-color: #0F172A;
    padding: 0 24px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.brand-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #FFFFFF;
    font-weight: bold;
    font-size: 18px;
    text-decoration: none;
    letter-spacing: 0.5px;
}

nav {
    display: flex;
    gap: 16px;
}

.nav-link {
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.nav-link .title {
    color: #FFFFFF;
    font-size: 14px;
    font-weight: 500;
}

.nav-link.active {
    background-color: rgba(99, 91, 255, 0.15);
    border: 1px solid rgba(99, 91, 255, 0.3);
}

.nav-link.active .title {
    color: #818CF8;
    font-weight: 600;
}

/* Modern Split Hero Layout Styling */
.hero-bg {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    padding: 80px 24px;
    color: #FFFFFF;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 48px;
}

.hero-left {
    flex: 1;
}

.hero-right {
    flex: 1;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
}

.tagline {
    background-color: rgba(99, 91, 255, 0.15);
    border: 1px solid rgba(99, 91, 255, 0.4);
    color: #818CF8;
    padding: 6px 14px;
    font-size: 11px;
    font-weight: bold;
    letter-spacing: 1.5px;
    border-radius: 30px;
    display: inline-block;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.hero-desc {
    color: #CBD5E1;
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 32px;
}

/* Metrics Bar Component Layout */
.metrics-strip {
    background-color: #F1F5F9;
    border-bottom: 1px solid #E2E8F0;
    padding: 24px 0;
}

.metrics-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 80px;
    flex-wrap: wrap;
}

.metric-node {
    text-align: center;
}

.metric-value {
    font-size: 28px;
    font-weight: 900;
    color: #635BFF;
}

.metric-label {
    font-size: 13px;
    color: #475569;
    margin-top: 2px;
    font-weight: 500;
}

/* Direct Benefits Layout Grid Elements */
.benefits-section {
    padding: 72px 24px;
    background-color: #FFFFFF;
}

.benefits-center {
    max-width: 1100px;
    margin: 0 auto;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.benefit-card {
    background-color: #F8FAFC;
    border: 1px solid #F1F5F9;
    border-radius: 12px;
    padding: 28px;
}

.benefit-icon {
    color: #635BFF;
    font-size: 32px;
    margin-bottom: 16px;
}

.benefit-card h3 {
    font-size: 18px;
    font-weight: bold;
    color: #0F172A;
    margin-bottom: 10px;
}

.benefit-card p {
    color: #334155;
    font-size: 13px;
    line-height: 1.5;
}

/* Anatomy Education Grid Styling */
.anatomy-section {
    padding: 64px 24px;
    background-color: #F8FAFC;
    border-top: 1px solid #E2E8F0;
}

.anatomy-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.anatomy-grid {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 24px;
}

.anatomy-part {
    background-color: #FFFFFF;
    border: 1px solid #CBD5E1;
    padding: 16px;
    border-radius: 6px;
    flex: 1;
    min-width: 150px;
    text-align: center;
}

.anatomy-part .code {
    font-family: monospace;
    font-size: 18px;
    font-weight: bold;
    color: #635BFF;
}

.anatomy-part .desc {
    font-size: 11px;
    color: #64748B;
    margin-top: 4px;
}

/* Core Main Sections Layout */
main {
    flex: 1;
}

.view-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 56px 24px;
}

/* Professional Page Headers */
.section-title {
    font-size: 28px;
    font-weight: bold;
    color: #0F172A;
    margin-bottom: 8px;
}

.section-desc {
    color: #64748B;
    font-size: 15px;
    margin-bottom: 36px;
    line-height: 1.5;
}

/* Uniform Cards Template */
.custom-card {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

/* Custom Interactive Grid Forms */
.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: #475569;
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid #CBD5E1;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #635BFF;
}

.divider {
    height: 1px;
    background-color: #E2E8F0;
    margin: 12px 0;
}

/* Core Button Themes */
.btn-primary {
    background-color: #635BFF;
    color: #FFFFFF;
    border: none;
    padding: 16px 32px;
    font-size: 15px;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:hover {
    background-color: #4F46E5;
}

.btn-dark {
    background-color: #0F172A;
    color: #FFFFFF;
    width: 100%;
}

.btn-dark:hover {
    background-color: #1E293B;
}

/* Page Change Loader Screen CSS */
#page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.95);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

#page-loader.active {
    display: flex;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: #635BFF;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loader-text {
    color: #E2E8F0;
    font-size: 14px;
    margin-top: 16px;
    font-weight: 500;
}

/* Corporate Footer Layout */
footer {
    background-color: #0F172A;
    padding: 48px 24px;
    margin-top: auto;
}

.footer-container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 32px;
}

.footer-col h4 {
    color: #FFFFFF;
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.footer-col p {
    color: #94A3B8;
    font-size: 12px;
    line-height: 1.6;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links a {
    color: #94A3B8;
    font-size: 12px;
    text-decoration: none;
}

.footer-links a:hover {
    color: #FFFFFF;
}

.subscribe-group {
    display: flex;
    height: 42px;
    margin-top: 12px;
}

.subscribe-group input {
    flex: 1;
    background-color: rgba(255, 255, 255, 0.05);
    border: none;
    padding: 0 12px;
    color: #FFFFFF;
    font-size: 13px;
    border-radius: 4px 0 0 4px;
    outline: none;
}

.subscribe-group button {
    background-color: #635BFF;
    border: none;
    color: #FFFFFF;
    padding: 0 16px;
    cursor: pointer;
    border-radius: 0 4px 4px 0;
}

.faq-section {
    max-width: 1100px;
    margin: 32px auto 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 32px;
}

.faq-item {
    margin-bottom: 12px;
}

.faq-question {
    color: #FFFFFF;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    padding: 8px 0;
    display: flex;
    justify-content: space-between;
}

.faq-answer {
    color: #94A3B8;
    font-size: 12px;
    line-height: 1.5;
    padding: 4px 0 12px 0;
    display: none;
}

.copyright {
    color: #475569;
    font-size: 11px;
    text-align: center;
    margin-top: 48px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
}

/* Mobile Responsive Adjustments */
@media (max-width: 900px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    header {
        height: auto;
        padding: 16px;
        flex-direction: column;
        gap: 16px;
    }

    nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-container {
        grid-template-columns: 1fr;
    }
}