/* Classic, timeless color scheme - dark mode default */
:root {
    --bg-color: #121212;
    --text-color: #e8e8e8;
    --text-body: #d4d4d4;
    --text-muted: #9a9a9a;
    --link-color: #7eb8c9;
    --border-color: #333;
}

/* Light mode */
[data-theme="light"] {
    --bg-color: #fafafa;
    --text-color: #1a1a1a;
    --text-body: #2d2d2d;
    --text-muted: #666;
    --link-color: #1a5f7a;
    --border-color: #e0e0e0;
}

/* Body and global styles */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    min-height: 100vh;
    transition: background 0.2s ease, color 0.2s ease;
}

/* Theme toggle */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 8px 12px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.875rem;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover {
    color: var(--text-color);
    border-color: var(--text-muted);
}

/* Links */
a {
    color: var(--link-color);
    text-decoration: underline;
    text-underline-offset: 2px;
}

a:hover {
    text-decoration: none;
}

/* Section styles */
section {
    margin: 15px;
    padding: 40px;
    width: 90%;
    max-width: 800px;
}

/* Hero section styles */
.hero {
    text-align: center;
    padding: 60px 40px 20px;
    margin-top: 20px;
}

.hero-name {
    font-size: 2.5rem;
    font-weight: 600;
    margin: 0;
    letter-spacing: -0.02em;
}

.hero-divider {
    width: 60px;
    height: 2px;
    background: var(--text-color);
    border: none;
    margin: 24px auto 0;
    transition: background 0.2s ease;
}

/* Profile section styles */
.profile-section {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 40px;
}

.profile-img-wrapper {
    flex-shrink: 0;
}

.profile_img {
    width: 220px;
    height: 293px;
    object-fit: cover;
    display: block;
}

.profile-section h2 {
    color: var(--text-color);
    margin: 0 0 16px 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.profile-section p {
    margin: 12px 0;
    color: var(--text-muted);
}

.profile-section div p {
    text-align: left;
    max-width: 480px;
}

/* Quick facts section styles */
.quick-facts {
    display: flex;
    flex-direction: column;
    align-items: center;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 30px 40px;
    transition: border-color 0.2s ease;
}

.quick-facts ul {
    text-align: left;
    margin: 0;
    padding-left: 0;
    list-style: none;
}

.quick-facts li {
    margin: 14px 0;
    color: var(--text-muted);
    padding-left: 20px;
    position: relative;
    white-space: nowrap;
}

.quick-facts li::before {
    content: "–";
    position: absolute;
    left: 0;
    color: var(--text-color);
}

/* Nav section styles */
.nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 24px;
    padding: 30px;
    margin-bottom: 40px;
}

.nav p {
    margin: 0;
}

.nav a {
    font-weight: 500;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}

.nav a:hover {
    color: var(--text-color);
}

.nav a svg {
    width: 16px;
    height: 16px;
}

/* Responsive design */
@media (max-width: 900px) {
    .hero-name {
        font-size: 2rem;
    }

    .hero {
        padding: 40px 20px 20px;
    }

    .profile-section {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 30px;
    }

    .profile-section div p {
        text-align: center;
    }

    .profile_img {
        width: 180px;
        height: 240px;
    }

    section {
        width: 95%;
        padding: 30px;
    }
}

@media (max-width: 600px) {
    body {
        font-size: 15px;
    }

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

    section {
        margin: 10px;
        padding: 24px;
    }

    .profile_img {
        width: 160px;
        height: 213px;
    }

    .profile-section h2 {
        font-size: 1.15rem;
    }

    .profile-section div p {
        max-width: none;
    }

    .nav {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .quick-facts {
        padding: 24px;
    }

    .quick-facts ul {
        padding-left: 10px;
    }

    .quick-facts li {
        white-space: normal;
    }

    .theme-toggle {
        top: 12px;
        right: 12px;
        padding: 6px 10px;
        font-size: 0.8rem;
    }
}