/* Panda Project Page - Layout & Typography */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-primary);
    line-height: 1.7;
    background: var(--bg-white);
}

/* Typography */
h1, h2, h3, h4 {
    font-family: 'EB Garamond', 'Noto Serif', Georgia, serif;
    font-weight: 600;
    line-height: 1.3;
}

/* Layout */
.container {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-wide {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 64px 0;
}

/* Section Titles */
.section-title {
    font-size: 1.75rem;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.section-header-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.dataset-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    section {
        padding: 48px 0;
    }

    .hero {
        padding: 60px 0 40px;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .authors {
        gap: 20px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .highlights-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}