/* Japanese Academic Color Palette */
:root {
    --cream: #FAF9F6;
    --deep-indigo: #2C3E50;
    --warm-grey: #5D6D7E;
    --sage-green: #7C9885;
    --soft-teal: #5F9EA0;
    --light-grey: #ECF0F1;
    --accent-red: #C0504D;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    background-color: var(--cream);
    color: var(--warm-grey);
    line-height: 1.8;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Professional Typography */
h2, h3, h4 {
    letter-spacing: 0.5px;
}

/* Navigation */
.navbar {
    background-color: var(--deep-indigo);
    padding: 1.5rem 0;
    border-bottom: 3px solid var(--sage-green);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h1 {
    color: var(--cream);
    font-size: 2rem;
    font-weight: 400;
    letter-spacing: 2px;
}

.nav-brand .subtitle {
    color: var(--sage-green);
    font-size: 0.9rem;
    margin-left: 10px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--cream);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--sage-green);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--deep-indigo) 0%, var(--soft-teal) 100%);
    color: var(--cream);
    padding: 5rem 0;
    text-align: center;
}

.hero h2 {
    font-size: 2.2rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    line-height: 1.4;
    letter-spacing: 1px;
}

.hero-description {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    opacity: 0.95;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* Buttons */
.btn-primary,
.btn-secondary {
    padding: 0.8rem 2rem;
    text-decoration: none;
    border-radius: 4px;
    font-size: 1rem;
    transition: all 0.3s;
    display: inline-block;
    letter-spacing: 0.5px;
    font-weight: 400;
}

.btn-primary {
    background-color: var(--sage-green);
    color: var(--cream);
}

.btn-primary:hover {
    background-color: var(--soft-teal);
}

.btn-secondary {
    background-color: var(--sage-green);
    color: var(--cream);
    border: 2px solid var(--sage-green);
}

.btn-secondary:hover {
    background-color: var(--soft-teal);
    color: var(--cream);
    border: 2px solid var(--soft-teal);
}

/* Stats Section */
.stats {
    background-color: var(--light-grey);
    padding: 3rem 0;
}

.stats .container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
    background-color: var(--cream);
    border-left: 4px solid var(--sage-green);
    transition: transform 0.3s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.stat-card:hover {
    transform: translateY(-3px);
}

.stat-number {
    font-size: 2rem;
    color: var(--deep-indigo);
    font-weight: 300;
    letter-spacing: 1px;
}

.stat-label {
    font-size: 1rem;
    color: var(--warm-grey);
    margin-top: 0.5rem;
}

/* How It Works */
.how-it-works {
    padding: 5rem 0;
    background-color: var(--cream);
}

.how-it-works h3 {
    text-align: center;
    font-size: 1.8rem;
    color: var(--deep-indigo);
    margin-bottom: 3rem;
    font-weight: 300;
    letter-spacing: 1px;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.process-step {
    text-align: center;
    padding: 2rem 1rem;
    transition: all 0.3s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    border-radius: 4px;
}

.process-step:hover {
    transform: translateY(-3px);
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--sage-green);
    color: var(--cream);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.process-step h4 {
    color: var(--deep-indigo);
    margin-bottom: 1rem;
    font-weight: 400;
}

.process-step p {
    color: var(--warm-grey);
    font-size: 0.95rem;
}

/* Recent Findings */
.recent-findings {
    background-color: var(--light-grey);
    padding: 5rem 0;
}

.recent-findings h3 {
    text-align: center;
    font-size: 1.8rem;
    color: var(--deep-indigo);
    margin-bottom: 3rem;
    font-weight: 300;
    letter-spacing: 1px;
}

.findings-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.finding-card {
    background-color: var(--cream);
    padding: 2rem;
    border-left: 4px solid var(--sage-green);
    transition: all 0.3s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.finding-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.finding-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.condition-tag {
    background-color: var(--soft-teal);
    color: var(--cream);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
}

.score {
    color: var(--sage-green);
    font-weight: bold;
    font-size: 1.1rem;
}

.finding-card h4 {
    color: var(--deep-indigo);
    margin-bottom: 0.5rem;
    font-weight: 400;
    font-size: 1.3rem;
}

.finding-drugs {
    color: var(--accent-red);
    font-style: italic;
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
}

.finding-summary {
    color: var(--warm-grey);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.finding-date {
    color: var(--warm-grey);
    font-size: 0.85rem;
    opacity: 0.8;
}

.view-all {
    text-align: center;
    margin-top: 2rem;
}

/* Disclaimer */
.disclaimer-section {
    background-color: var(--cream);
    padding: 3rem 0;
}

.disclaimer-box {
    background-color: #FFF9E6;
    border-left: 4px solid var(--accent-red);
    padding: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.disclaimer-box h4 {
    color: var(--accent-red);
    margin-bottom: 1rem;
    font-weight: 400;
}

.disclaimer-box p {
    color: var(--warm-grey);
    line-height: 1.8;
}

/* Footer */
footer {
    background-color: var(--deep-indigo);
    color: var(--cream);
    padding: 2rem 0;
    text-align: center;
}

footer p {
    opacity: 0.9;
}

.footer-note {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
    .stats .container,
    .process-grid,
    .findings-grid {
        grid-template-columns: 1fr;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
}