:root {
    --bg-color: #ffffff;
    --text-color: #111111;
    --accent-color: #333333;
    --border-color: #e0e0e0;
    --font-sans: 'Inter', sans-serif;
    --font-serif: 'Lora', serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-sans);
    line-height: 1.6;
    font-weight: 300;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    padding: 4rem 0 2rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 4rem;
}

.logo {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.tagline {
    font-size: 1rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 400;
}

.section-label {
    font-size: 0.875rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.hero {
    margin-bottom: 2rem;
}

.hero h2 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.mission-statement {
    font-size: 1.25rem;
    border-left: 3px solid var(--text-color);
    padding-left: 1.5rem;
    font-style: italic;
    font-family: var(--font-serif);
}

.project-brief h2 {
    font-size: 1.5rem;
    font-family: var(--font-serif);
    font-weight: 400;
    margin-bottom: 1rem;
    color: var(--text-color);
    text-transform: none;
    letter-spacing: normal;
}

.project-brief p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--text-color);
    color: var(--bg-color);
    text-decoration: none;
    font-weight: 500;
    border: 1px solid var(--text-color);
    transition: all 0.2s ease;
}

.btn:hover {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.link {
    color: var(--text-color);
    text-decoration: underline;
    text-underline-offset: 4px;
}

.link:hover {
    text-decoration: none;
}

footer {
    margin-top: 6rem;
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--accent-color);
}

@media (max-width: 600px) {
    header {
        padding: 3rem 0 1.5rem;
    }

    .logo {
        font-size: 2rem;
    }

    .hero h2 {
        font-size: 1.75rem;
    }
}

.roadmap {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.roadmap-list {
    list-style: disc;
    padding-left: 1.5rem;
    margin-bottom: 2rem;
}

.roadmap-list li {
    margin-bottom: 0.5rem;
    padding-left: 0.5rem;
}

/* ── Spotlight articles ── */

.back-link {
    font-size: 0.875rem;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 400;
    letter-spacing: 0.02em;
    transition: color 0.2s ease;
}

.back-link:hover {
    color: var(--text-color);
}

.spotlight-label {
    font-size: 0.75rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.spotlight h1 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 0.5rem;
}

.spotlight-byline {
    font-size: 0.95rem;
    color: var(--text-color);
    font-weight: 400;
    margin-bottom: 0.25rem;
}

.spotlight-date {
    font-size: 0.875rem;
    color: var(--accent-color);
    margin-bottom: 2.5rem;
}

.spotlight section {
    margin-bottom: 2.5rem;
}

.spotlight h2 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.spotlight h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
}

.spotlight p {
    font-size: 1.05rem;
    margin-bottom: 0.75rem;
}

.spotlight a {
    color: var(--text-color);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
}

.spotlight a:hover {
    text-decoration: none;
}

.spotlight ul,
.spotlight ol {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.spotlight li {
    margin-bottom: 0.4rem;
    font-size: 1.05rem;
}

.table-wrap {
    overflow-x: auto;
    margin: 1.25rem 0 2rem;
    border: 1px solid var(--border-color);
}

.review-table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
    font-size: 0.95rem;
    line-height: 1.5;
}

.review-table th,
.review-table td {
    padding: 0.8rem 0.9rem;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--border-color);
}

.review-table th {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-color);
    background-color: #fafafa;
}

.review-table tbody tr:last-child td {
    border-bottom: none;
}

.review-table a {
    color: var(--text-color);
}

.opinion-section {
    border-left: 3px solid var(--border-color);
    padding-left: 1.5rem;
}

.opinion-disclaimer {
    font-size: 0.9rem;
    color: var(--accent-color);
}

/* ── Spotlight card on index ── */

.spotlight-card {
    display: block;
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-color);
    transition: border-color 0.2s ease;
    margin-bottom: 2rem;
}

.spotlight-card:hover {
    border-color: var(--text-color);
}

.spotlight-card .card-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.spotlight-card .card-title {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.spotlight-card .card-date {
    font-size: 0.8rem;
    color: var(--accent-color);
}

@media (max-width: 600px) {
    .review-table {
        font-size: 0.9rem;
    }

    .review-table th,
    .review-table td {
        padding: 0.7rem;
    }
}

/* ── About page ── */

.profile-intro {
    display: flex;
    gap: 2.5rem;
    align-items: flex-start;
    margin-bottom: 3rem;
}

.profile-photo-col {
    flex-shrink: 0;
    width: 160px;
    text-align: center;
}

.profile-photo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
}

.profile-text h1 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
}

.profile-text .profile-title {
    font-size: 0.95rem;
    color: var(--accent-color);
    margin-bottom: 1.25rem;
}

.profile-text p {
    font-size: 1.05rem;
    margin-bottom: 0.75rem;
}

.about-section {
    margin-bottom: 3rem;
}

.about-section > p + p {
    margin-top: 1.25rem;
}

.about-section h2 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.about-section ul {
    padding-left: 1.5rem;
}

.about-section li {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}

.paper {
    margin-bottom: 2.5rem;
}

.paper p {
    font-size: 1.05rem;
    margin-bottom: 0.2rem;
}

.paper-meta {
    font-size: 0.875rem;
    color: var(--accent-color);
}

.about-outdoor-photo {
    width: 100%;
    height: auto;
    display: block;
    margin-top: 2rem;
    margin-bottom: 3rem;
}

@media (max-width: 600px) {
    .profile-intro {
        flex-direction: column;
        gap: 1.5rem;
    }

    .profile-photo-col {
        width: 120px;
    }

    .profile-photo {
        width: 120px;
        height: 120px;
    }

    .about-outdoor-photo {
        height: auto;
    }
}