:root {
    --background: #f5f5f7;
    --panel: #ffffff;
    --text: #1d1d1f;
    --muted: #6e6e73;
    --accent: #007aff;
    --shadow: rgba(0, 0, 0, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    background: var(--background);
    color: var(--text);
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1000px;
    margin: 0 auto;
    padding: 1.5rem 1.75rem 0.5rem;
}

.brand-name {
    font-size: 1.4rem;
    font-weight: 600;
    display: block;
}

.brand-tagline {
    color: var(--muted);
    font-size: 0.95rem;
}

.menu-toggle {
    width: 48px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid #d2d2d7;
    background: var(--panel);
    cursor: pointer;
    padding: 0 11px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
}

.menu-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--text);
}

.site-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100%;
    width: 260px;
    background: var(--panel);
    padding: 5rem 1.5rem 2rem;
    box-shadow: -18px 0 35px var(--shadow);
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.site-nav.open {
    transform: translateX(0);
}

.site-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.site-nav a {
    font-size: 1rem;
    color: var(--text);
}

main {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1.75rem 3rem;
}

.hero {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
}

.hero-role {
    font-weight: 600;
    color: var(--muted);
    margin: 0 0 1rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1.5rem 0 1.25rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.35rem;
    border-radius: 999px;
    border: 1px solid #d2d2d7;
    background: var(--panel);
    color: var(--text);
    font-weight: 600;
}

.button.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

.meta-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    color: var(--muted);
}

.profile-card {
    background: var(--panel);
    padding: 1.6rem;
    border-radius: 18px;
    box-shadow: 0 16px 32px var(--shadow);
}

.avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--accent);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.quick-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.profile-note {
    margin: 0;
    color: var(--muted);
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.7rem;
    color: var(--muted);
    margin-bottom: 0.5rem;
}

.hero h1 {
    font-size: 2.4rem;
    margin: 0 0 0.75rem;
}

.section {
    margin-top: 3rem;
}

.section h2 {
    margin-bottom: 0.75rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--panel);
    padding: 1.5rem;
    border-radius: 14px;
    box-shadow: 0 12px 24px var(--shadow);
}

.card h3 {
    margin-top: 0;
}

.stack {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: flex-start;
    flex-wrap: wrap;
}

.item-meta {
    color: var(--muted);
    font-size: 0.9rem;
    margin: 0.2rem 0 0;
}

.detail-list {
    margin: 0.75rem 0 0;
    padding-left: 1.2rem;
}

.pill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0;
    list-style: none;
}

.pill-list li {
    background: var(--panel);
    border-radius: 999px;
    padding: 0.35rem 0.9rem;
    box-shadow: 0 6px 16px var(--shadow);
}

.timeline {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.timeline li {
    background: var(--panel);
    padding: 1.4rem 1.6rem;
    border-radius: 14px;
    border-left: 4px solid var(--accent);
    box-shadow: 0 12px 24px var(--shadow);
}

.timeline h3 {
    margin-top: 0;
}

.site-footer {
    text-align: center;
    color: var(--muted);
    padding: 2rem 1.75rem 3rem;
}

@media (max-width: 700px) {
    .site-header,
    main {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .hero {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 2rem;
    }
}
