:root {
    --bg: #f4f7f9;
    --surface: #ffffff;
    --ink: #0f1720;
    --muted: #4b5b6a;
    --accent: #0f5c7a;
    --accent-2: #2c7a5a;
    --line: #d7e0e6;
    --radius: 8px;
    --shadow: 0 16px 30px rgba(15, 23, 32, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Source Sans 3', sans-serif;
    color: var(--ink);
    background: radial-gradient(circle at 20% 0%, #eef4f7 0%, #f4f7f9 60%, #ffffff 100%);
    line-height: 1.6;
}

a {
    color: var(--accent);
}

h1,
h2,
h3,
h4 {
    margin: 0 0 0.5rem;
    line-height: 1.2;
    font-family: 'IBM Plex Sans', sans-serif;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2rem, 3.2vw, 3.8rem);
}

h2 {
    font-size: clamp(1.5rem, 2.2vw, 2.4rem);
}

.container {
    width: min(1120px, 92vw);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(215, 224, 230, 0.65);
    backdrop-filter: blur(8px);
    background: rgba(244, 247, 249, 0.9);
}

.header-inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
}

.site-logo {
    display: block;
    max-width: 120px;
    width: 100%;
    height: auto;
}

.brand-logo-link {
    flex-shrink: 0;
}

.brand {
    color: var(--ink);
    text-decoration: none;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.95rem;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.site-nav a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--ink);
}

.site-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.site-nav-list a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

.site-nav-list a:hover,
.site-nav-list a:focus-visible {
    color: var(--ink);
}

.hero {
    position: relative;
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
    overflow: hidden;
    color: #ffffff;
    background: #0e2430;
}

.parallax-bg {
    position: absolute;
    inset: -10% 0;
    background-size: cover;
    background-position: center;
    transform: translate3d(0, 0, 0);
    will-change: transform;
}

.hero .parallax-bg {
    background-image:
        linear-gradient(120deg, rgba(8, 24, 34, 0.86), rgba(15, 92, 122, 0.72)),
        radial-gradient(circle at 30% 30%, rgba(44, 122, 90, 0.35), transparent 50%),
        linear-gradient(160deg, #0b1f2b 0%, #143646 55%, #123040 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 5rem 0;
}

.hero-layout {
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 2.25rem;
    align-items: center;
}

.hero-copy {
    max-width: 760px;
}

.hero-portrait-wrap {
    margin: 0;
    justify-self: center;
}

.hero-portrait-ring {
    width: clamp(260px, 24vw, 320px);
    aspect-ratio: 1 / 1;
    padding: 6px;
    border-radius: 50%;
    background: linear-gradient(145deg, rgba(201, 240, 221, 0.75), rgba(217, 233, 239, 0.5));
    box-shadow: 0 18px 34px rgba(6, 19, 28, 0.3);
}

.hero-portrait {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 16%;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.eyebrow {
    margin: 0 0 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
    font-family: 'IBM Plex Mono', monospace;
    color: var(--accent-2);
    font-weight: 500;
}

.hero .eyebrow {
    color: #c9f0dd;
}

.lead {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: clamp(1.05rem, 1.4vw, 1.35rem);
    color: #d9e9ef;
}

.hero p {
    color: #e6eff4;
}

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

.button {
    display: inline-block;
    padding: 0.8rem 1.1rem;
    border-radius: 6px;
    background: var(--accent-2);
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    border: 1px solid transparent;
}

.button:hover,
.button:focus-visible {
    background: #215f46;
}

.button-ghost {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.45);
}

.section {
    padding: 5.75rem 0;
}

.section-alt {
    background: linear-gradient(180deg, #f8fbfc 0%, #eef4f7 100%);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.two-col {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr 1.6fr;
}

.grid.cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.2rem;
    box-shadow: var(--shadow);
}

.card p {
    margin: 0;
    color: var(--muted);
}

#credentials .grid.cards {
    grid-template-columns: 1fr;
    margin-top: 1.15rem;
}

#credentials .education-card-image {
    display: block;
    max-width: 110px;
    width: 100%;
    height: auto;
    float: left;
    margin-right: 0.9rem;
    margin-bottom: 0.6rem;
}

#credentials .education-card-body {
    display: block;
}

#credentials .education-card-body::after {
    content: "";
    display: block;
    clear: both;
}

#credentials .education-card-copy {
    overflow: hidden;
}

#credentials .education-card-copy p {
    margin: 0;
}

#expertise .card {
    transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

#expertise .card:hover,
#expertise .card:focus-within {
    transform: translateY(-5px);
    box-shadow: 0 22px 36px rgba(15, 23, 32, 0.14);
    border-color: rgba(15, 92, 122, 0.45);
}

#expertise .card:focus-within {
    outline: 2px solid rgba(15, 92, 122, 0.4);
    outline-offset: 2px;
}

#expertise .card h3 {
    transition: color 220ms ease;
}

#expertise .card:hover h3,
#expertise .card:focus-within h3 {
    color: var(--accent);
}

.separator {
    position: relative;
    overflow: hidden;
    color: #ffffff;
    min-height: 40vh;
    display: grid;
    place-items: center;
    background: #123040;
}

.separator .parallax-bg {
    background-image:
        linear-gradient(135deg, rgba(10, 30, 42, 0.92), rgba(15, 92, 122, 0.68)),
        linear-gradient(220deg, #133444 0%, #0e2533 100%);
}

.separator p {
    position: relative;
    z-index: 1;
    max-width: 920px;
    margin: 0;
    font-size: clamp(1.1rem, 2vw, 1.8rem);
    font-family: 'IBM Plex Sans', sans-serif;
    font-weight: 600;
}

.highlights-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
    display: grid;
    gap: 0.85rem;
}

.highlights-list li {
    background: var(--surface);
    border-left: 4px solid var(--accent);
    border-radius: 6px;
    padding: 0.95rem 1rem;
    border-top: 1px solid var(--line);
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

#highlights .highlights-list li {
    transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

#highlights .highlights-list li:hover,
#highlights .highlights-list li:focus-within {
    transform: translateY(-5px);
    box-shadow: 0 22px 36px rgba(15, 23, 32, 0.14);
    border-color: rgba(15, 92, 122, 0.45);
}

#highlights .highlights-list li:focus-within {
    outline: 2px solid rgba(15, 92, 122, 0.4);
    outline-offset: 2px;
}

.highlight-title {
    display: block;
    font-family: 'IBM Plex Sans', sans-serif;
    font-weight: 600;
    transition: color 220ms ease;
}

#highlights .highlights-list li:hover .highlight-title,
#highlights .highlights-list li:focus-within .highlight-title {
    color: var(--accent);
}

.highlight-description {
    margin: 0.3rem 0 0;
    color: var(--muted);
}

.highlight-period {
    margin: 0.35rem 0 0;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.78rem;
    color: var(--muted);
    letter-spacing: 0.02em;
}

.highlight-period-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.highlights-empty {
    margin: 1.5rem 0 0;
    padding: 0.95rem 1rem;
    border: 1px dashed var(--line);
    border-radius: 6px;
    color: var(--muted);
    background: var(--surface);
}

.activities-intro {
    max-width: 800px;
}

.page-template-activities-engagements #activities-top.section-alt {
    background: linear-gradient(160deg, #0b1f2b 0%, #143646 55%, #123040 100%);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.page-template-activities-engagements #activities-top .lead {
    color: #d9e9ef;
}

.page-template-activities-engagements #activities-top h1,
.page-template-activities-engagements #activities-top h2,
.page-template-activities-engagements #activities-top h3,
.page-template-activities-engagements #activities-top p,
.page-template-activities-engagements #activities-top li,
.page-template-activities-engagements #activities-top a {
    color: #e6eff4;
}

.page-template-activities-engagements #activities-top .eyebrow {
    color: #c9f0dd;
}

.page-template-activities-engagements .activities-copy {
    color: #e6eff4;
}

.page-template-activities-engagements .activities-copy p {
    margin: 0 0 0.9rem;
}

.page-template-activities-engagements .activities-copy p:last-child {
    margin-bottom: 0;
}

.page-template-activities-engagements #activities-grid.section {
    background: linear-gradient(180deg, #ffffff 0%, #f4f7f9 100%);
}

.activities-grid {
    margin: 1.75rem 0 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.activity-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius);
    padding: 1.15rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.page-template-activities-engagements .activity-card:hover,
.page-template-activities-engagements .activity-card:focus-within {
    transform: translateY(-5px);
    box-shadow: 0 22px 36px rgba(15, 23, 32, 0.14);
    border-color: rgba(15, 92, 122, 0.45);
}

.page-template-activities-engagements .activity-card:focus-within {
    outline: 2px solid rgba(15, 92, 122, 0.4);
    outline-offset: 2px;
}

.activity-date {
    margin: 0;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.78rem;
    color: var(--muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.activity-card h2 {
    margin: 0;
    font-size: 1.15rem;
    color: var(--ink);
    transition: color 220ms ease;
}

.page-template-activities-engagements .activity-card:hover h2,
.page-template-activities-engagements .activity-card:focus-within h2 {
    color: var(--accent);
}

.activity-summary {
    margin: 0;
    color: var(--muted);
}

.button-inline {
    margin-top: auto;
    align-self: flex-start;
}

.timeline {
    position: relative;
    margin-top: 1.5rem;
    padding-left: 1.4rem;
    border-left: 2px solid var(--accent);
    display: grid;
    gap: 1.1rem;
}

.timeline article {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1rem 1rem 1rem 1.2rem;
    position: relative;
}

.timeline article::before {
    content: '';
    position: absolute;
    left: -1.9rem;
    top: 1.3rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    background: var(--bg);
}

.meta {
    margin: 0 0 0.4rem;
    font-family: 'IBM Plex Mono', monospace;
    color: var(--muted);
    font-size: 0.8rem;
}

.section-contact {
    background: linear-gradient(140deg, #0f2532 0%, #173848 50%, #1a4b61 100%);
    color: #ffffff;
}

.section-contact .eyebrow {
    color: #c9f0dd;
}

.section-contact p,
.section-contact li,
.section-contact a {
    color: #e4eef3;
}

.contact-list {
    padding: 0;
    margin: 1.2rem 0 0;
    list-style: none;
    display: grid;
    gap: 0.5rem;
}

.site-footer {
    border-top: 1px solid var(--line);
    padding: 1.6rem 0;
    background: #f1f5f8;
}

.site-footer p {
    margin: 0;
    color: var(--muted);
}

@media (max-width: 980px) {
    .hero-layout {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
        gap: 1.5rem;
    }

    .hero-portrait-ring {
        width: clamp(160px, 36vw, 220px);
    }

    .hero-copy {
        max-width: 720px;
    }

    .hero-actions {
        justify-content: center;
    }

    .two-col {
        grid-template-columns: 1fr;
    }

    .grid.cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .activities-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    #credentials .education-card-body {
        display: block;
    }

    #credentials .education-card-image {
        float: none;
        max-width: 120px;
        margin-right: 0;
        margin-bottom: 0.75rem;
    }
}

@media (max-width: 760px) {
    .header-inner {
        align-items: flex-start;
        flex-direction: column;
        padding: 0.85rem 0;
    }

    .site-brand {
        align-self: stretch;
    }

    .site-logo {
        max-width: 90px;
    }

    .site-nav {
        gap: 0.75rem;
    }

    .section {
        padding: 4rem 0;
    }

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

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

    .separator {
        min-height: 30vh;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .parallax-bg {
        transform: none !important;
    }

    #expertise .card {
        transition: none;
    }

    #expertise .card:hover,
    #expertise .card:focus-within {
        transform: none;
    }

    #expertise .card h3 {
        transition: none;
    }

    #highlights .highlights-list li {
        transition: none;
    }

    #highlights .highlights-list li:hover,
    #highlights .highlights-list li:focus-within {
        transform: none;
    }

    .highlight-title {
        transition: none;
    }

    .page-template-activities-engagements .activity-card {
        transition: none;
    }

    .page-template-activities-engagements .activity-card:hover,
    .page-template-activities-engagements .activity-card:focus-within {
        transform: none;
    }

    .page-template-activities-engagements .activity-card h2 {
        transition: none;
    }
}