:root {
    --bg: #0b1120;
    --bg-soft: #111827;
    --card: #ffffff;
    --text: #0f172a;
    --muted: #64748b;
    --line: #e2e8f0;
    --accent: #2563eb;
    --accent-dark: #1d4ed8;
    --gold: #c79a31;
    --white: #ffffff;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

#top {
    scroll-margin-top: 96px;
}

section {
    scroll-margin-top: 120px;
}

body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background: #f8fafc;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(11, 17, 32, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav {
    max-width: 1180px;
    margin: 0 auto;
    padding: 18px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    color: var(--white);
    font-weight: 800;
    letter-spacing: -0.03em;
    font-size: 1.1rem;
}

.nav-links {
    display: flex;
    gap: 24px;
    color: #cbd5e1;
    font-size: 0.95rem;
}

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

.hero {
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.28), transparent 34%),
        linear-gradient(135deg, #0b1120 0%, #111827 52%, #020617 100%);
    color: var(--white);
    min-height: 680px;
    padding: 96px 24px 88px;
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) 420px;
    gap: 56px;
    align-items: center;
}

.hero-content,
.hero-card,
.section,
.footer {
    max-width: 1180px;
}

.hero-content {
    justify-self: end;
    width: 100%;
}

.eyebrow {
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.78rem;
    font-weight: 800;
    margin: 0 0 14px;
}

.hero h1 {
    font-size: clamp(2.45rem, 5vw, 4.8rem);
    line-height: 1.02;
    letter-spacing: -0.07em;
    margin: 0;
    max-width: 880px;
}

.hero-text {
    max-width: 760px;
    color: #cbd5e1;
    font-size: 1.15rem;
    margin: 26px 0 0;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 34px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
    border-radius: 999px;
    font-weight: 750;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button.primary {
    background: var(--accent);
    color: var(--white);
    box-shadow: 0 18px 35px rgba(37, 99, 235, 0.28);
}

.button.primary:hover {
    background: var(--accent-dark);
}

.button.secondary {
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: var(--white);
    background: rgba(255, 255, 255, 0.06);
}

.hero-card {
    width: 100%;
    max-width: 380px;
    justify-self: start;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 32px;
    padding: 30px;
    backdrop-filter: blur(20px);
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.35);
}

.profile-photo {
    width: 132px;
    height: 132px;
    border-radius: 999px;
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.8);
    margin-bottom: 22px;
}

.hero-card h2 {
    margin: 0;
    font-size: 1.6rem;
    letter-spacing: -0.04em;
}

.hero-card p {
    margin: 8px 0 10px;
    color: #dbeafe;
    font-weight: 650;
}

.hero-card span {
    color: #cbd5e1;
    font-size: 0.95rem;
}

.section {
    margin: 0 auto;
    padding: 84px 24px;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 34px;
}

.section h2 {
    font-size: clamp(2rem, 3vw, 3rem);
    line-height: 1.08;
    letter-spacing: -0.055em;
    margin: 0;
}

.stats-grid,
.cards-grid,
.evidence-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.stat-card,
.card,
.evidence-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 26px;
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.06);
}

.stat-card strong {
    display: block;
    font-size: 2rem;
    letter-spacing: -0.06em;
    margin-bottom: 8px;
}

.stat-card span,
.card p,
.evidence-card p,
.body-copy,
.education-list p,
.contact-section p {
    color: var(--muted);
}

.two-column {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 64px;
    align-items: start;
}

.body-copy p {
    margin-top: 0;
    font-size: 1.05rem;
}

.timeline {
    display: grid;
    gap: 14px;
}

.timeline-item {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 22px 24px;
    display: flex;
    justify-content: space-between;
    gap: 22px;
    box-shadow: 0 14px 38px rgba(15, 23, 42, 0.045);
}

.timeline-item h3,
.card h3,
.evidence-card h3,
.education-list h3 {
    margin: 0 0 6px;
    letter-spacing: -0.035em;
    line-height: 1.18;
}

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

.timeline-item span {
    color: var(--accent);
    font-weight: 800;
    white-space: nowrap;
}

.cards-grid {
    grid-template-columns: repeat(3, 1fr);
}

.card p {
    margin-bottom: 0;
}

.evidence-section {
    background: #eef2ff;
    max-width: none;
}

.evidence-section .section-heading,
.evidence-section .evidence-grid {
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
}

.evidence-grid {
    grid-template-columns: repeat(4, 1fr);
}

.evidence-card span {
    display: inline-flex;
    color: var(--accent);
    font-weight: 900;
    margin-bottom: 16px;
}

.articles-section {
    background: #f8fafc;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.article-card {
    display: block;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 28px;
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.article-card span {
    display: block;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.article-card h3 {
    margin: 0;
    font-size: 1.35rem;
    line-height: 1.18;
    letter-spacing: -0.04em;
}

.article-card p {
    color: var(--muted);
    margin: 14px 0 18px;
}

.article-card strong {
    color: var(--accent);
    font-weight: 850;
}

.article-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 22px 55px rgba(15, 23, 42, 0.1);
}

.education-list {
    display: grid;
    gap: 18px;
}

.education-list > div {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 24px;
}

.contact-section {
    text-align: center;
}

.contact-section p {
    max-width: 680px;
    margin: 14px auto 0;
}

.center {
    justify-content: center;
}

.contact-section .button.secondary {
    color: var(--accent);
    border-color: var(--line);
    background: var(--white);
}

.footer {
    margin: 0 auto;
    padding: 28px 24px 42px;
    color: var(--muted);
    text-align: center;
}

@media (max-width: 980px) {
    .hero {
        grid-template-columns: 1fr;
        min-height: auto;
        padding-top: 72px;
    }

    .hero-content,
    .hero-card {
        justify-self: center;
        max-width: 760px;
    }

    .stats-grid,
    .cards-grid,
    .evidence-grid,
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .two-column {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

@media (max-width: 680px) {
    #top {
        scroll-margin-top: 150px;
    }

    .nav {
        align-items: flex-start;
        gap: 14px;
        flex-direction: column;
    }

    .nav-links {
        display: flex;
        width: 100%;
        gap: 14px;
        overflow-x: auto;
        padding-bottom: 4px;
        font-size: 0.9rem;
        white-space: nowrap;
    }

    .site-header {
        position: sticky;
    }

    .nav-links::-webkit-scrollbar {
        display: none;
    }

    .hero {
        padding: 56px 20px 64px;
    }

    .hero h1 {
        font-size: 2.45rem;
    }

    .hero-text {
        font-size: 1rem;
    }

    .hero-card {
        border-radius: 26px;
        padding: 24px;
    }

    .section {
        padding: 62px 20px;
    }

    .stats-grid,
    .cards-grid,
    .evidence-grid,
    .articles-grid {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        flex-direction: column;
    }

    .timeline-item span {
        white-space: normal;
    }

    .button {
        width: 100%;
    }
}

.copy-email-button {
    background: var(--accent);
    color: var(--white);
    border: 1px solid var(--accent);
    box-shadow: 0 18px 35px rgba(37, 99, 235, 0.28);
}

.copy-email-button:hover {
    background: var(--accent-dark);
    color: var(--white);
}

.copy-email-button.copied {
    background: var(--white);
    color: var(--accent);
    border: 1px solid var(--accent);
    box-shadow: none;
}