:root {
    color-scheme: light;
    --ink: #1d1d1f;
    --muted: #55555b;
    --paper: #fff;
    --surface: #f5f5f7;
    --blue: #005fc9;
    --line: #e4e4e8;
    --gutter: clamp(1.25rem, 4vw, 3rem);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.55;
}

a { color: inherit; }
a:focus-visible { outline: 2px solid var(--blue); outline-offset: 5px; }
h1, h2, h3, p { margin: 0; }
section[id] { scroll-margin-top: 5rem; }

.shell {
    width: min(72rem, calc(100% - 2 * var(--gutter)));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    top: .75rem;
    left: var(--gutter);
    z-index: 10;
    padding: .5rem 1rem;
    background: var(--paper);
    transform: translateY(-180%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
    position: sticky;
    top: 0;
    z-index: 5;
    border-bottom: 1px solid var(--line);
    background: rgb(255 255 255 / 92%);
    backdrop-filter: blur(16px);
}

.nav, .site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.nav { min-height: 3.5rem; }
.nav-links { display: flex; gap: clamp(1rem, 4vw, 2rem); }
.nav a, .site-footer a { text-decoration: none; }
.nav a:hover, .site-footer a:hover { text-decoration: underline; }
.brand { font-weight: 700; letter-spacing: -.03em; }
.nav-links a { font-size: .9rem; color: var(--muted); }

.hero {
    display: grid;
    align-items: center;
    min-height: clamp(31rem, 54vw, 44rem);
    margin-bottom: clamp(3rem, 8vw, 6rem);
    padding-block: clamp(4rem, 9vw, 7rem);
    background: linear-gradient(90deg, #050e20 0%, rgb(5 14 32 / 85%) 28%, transparent 72%),
        #050e20 url("hero-ai-orchestration.webp") center right / cover no-repeat;
    color: #fff;
}

.hero .eyebrow { color: #b5d0ff; }

.hero-focus {
    margin-top: 1rem;
    color: #d6e4ff;
    font-size: .9rem;
    font-weight: 650;
}

.eyebrow {
    color: var(--blue);
    font-size: .75rem;
    font-weight: 750;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.hero h1 {
    margin-block: .85rem 1.4rem;
    font-size: clamp(3.5rem, 10vw, 8rem);
    font-weight: 750;
    line-height: .95;
    letter-spacing: -.075em;
}

.hero-summary {
    max-width: 30rem;
    color: #e1e9f8;
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    text-wrap: pretty;
}

@media (max-width: 44rem) {
    .hero {
        align-items: start;
        padding-bottom: clamp(10rem, 58vw, 19rem);
        background: linear-gradient(180deg, #050e20 0%, #050e20 40%, transparent 86%),
            #050e20 url("hero-ai-orchestration.webp") right bottom / 120% auto no-repeat;
    }
}

.button {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    margin-top: 1.75rem;
    padding: .65rem 1.15rem;
    border-radius: 999px;
    background: var(--blue);
    color: white;
    font-weight: 650;
    text-decoration: none;
}

.button:hover { background: #004caa; }

.work { padding-bottom: clamp(4rem, 10vw, 8rem); }

h2 {
    margin-top: .4rem;
    font-size: clamp(2.5rem, 6vw, 4.75rem);
    line-height: 1;
    letter-spacing: -.065em;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.project {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 25rem;
    border-radius: 1.6rem;
}

.project-dark { background: #13151c; color: #fff; }
.project-light { background: #edf1fc; color: var(--ink); }
.project-copy { padding: clamp(1.5rem, 4vw, 3rem); }
.project-tag { font-size: .8rem; font-weight: 650; }
.project h3 {
    margin-block: .35rem .6rem;
    font-size: clamp(1.7rem, 3.5vw, 2.8rem);
    line-height: 1.05;
    letter-spacing: -.05em;
}
.project-copy > p:last-child { max-width: 32ch; color: var(--muted); }
.project-dark .project-copy p { color: #c8cbd6; }

.project-art {
    display: grid;
    align-content: end;
    flex: 1;
    min-height: 13rem;
    padding: 1.25rem clamp(1.25rem, 5vw, 3.5rem) 0;
}

.browser-art { background: radial-gradient(ellipse at bottom, #38569a, transparent 75%); }
.mock-window {
    overflow: hidden;
    border: 1px solid #535a71;
    border-bottom: 0;
    border-radius: 1rem 1rem 0 0;
    background: #202431;
}
.mock-toolbar { display: flex; gap: .3rem; padding: .7rem; border-bottom: 1px solid #44495b; }
.mock-toolbar i { width: .4rem; height: .4rem; border-radius: 50%; background: #a3acc7; }
.mock-page { padding: 1.2rem; text-align: center; }
.mock-page span { color: #c6d5ff; font-size: .65rem; letter-spacing: .15em; }
.mock-page strong { display: block; margin-top: .5rem; font-size: 1.9rem; line-height: 1; letter-spacing: -.06em; }

.chat-art {
    gap: .7rem;
    align-content: center;
    padding-bottom: 1.75rem;
    background: radial-gradient(ellipse at bottom, #cad9ff, transparent 80%);
}
.bubble {
    max-width: 85%;
    padding: .65rem .9rem;
    border-radius: 1rem;
    font-size: .85rem;
}
.question { justify-self: end; background: var(--blue); color: white; }
.answer { justify-self: start; background: white; }

.about { background: var(--surface); padding-block: clamp(3rem, 8vw, 6rem); }
.about-inner { display: grid; grid-template-columns: minmax(0, 20rem) 1fr; align-items: center; gap: clamp(2rem, 6vw, 5rem); }
.about-copy > p:last-child { margin-top: 1rem; max-width: 52ch; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.35rem); }
.about-details { margin-top: clamp(1.5rem, 4vw, 3rem); }
.about-details .profile-card { background: var(--paper); }
.about-details .profile-card p + p { margin-top: .75rem; }
.about-portrait {
    display: block;
    width: 100%;
    max-width: 20rem;
    height: auto;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: center top;
    border-radius: 1.6rem;
}

.site-footer { padding-block: 1.5rem; color: var(--muted); font-size: .85rem; }

@media (max-width: 44rem) {
    .project-grid, .about-inner { grid-template-columns: 1fr; }
    .about-inner { gap: 1rem; }
    .project { min-height: 22rem; }
}

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

.resume-section { padding-bottom: clamp(4rem, 9vw, 7rem); }
.section-intro { margin-top: .9rem; color: var(--muted); }
.timeline { margin-top: 1.5rem; border-top: 1px solid var(--line); }
.role { padding: 1rem 0; border-bottom: 1px solid var(--line); }
.role summary { padding: .25rem 0; cursor: pointer; }
.role summary strong { font-size: 1.15rem; }
.role summary span { display: block; padding-left: 1.1rem; color: var(--muted); font-size: .9rem; }
.role ul, .profile-card ul { padding-left: 1.25rem; }
.role ul { max-width: 76ch; }
.role li + li, .profile-card li + li { margin-top: .55rem; }
.profile-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.two-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.profile-card { padding: clamp(1.25rem, 3vw, 2rem); background: var(--surface); border-radius: 1.25rem; }
.profile-card h3 { margin-bottom: .55rem; line-height: 1.2; }
.profile-card p, .profile-card li { color: var(--muted); }
.profile-card a { display: inline-block; margin-top: .75rem; color: var(--blue); }

@media (max-width: 44rem) {
    .profile-grid { grid-template-columns: 1fr; }
    .nav { flex-wrap: wrap; gap: .35rem .75rem; padding-block: .55rem; }
    .nav-links { flex-wrap: wrap; gap: .3rem .7rem; }
}

.contact-page { padding-block: clamp(3rem, 9vw, 7rem); }
.contact-page h1 {
    margin-block: .5rem 2rem;
    font-size: clamp(3rem, 9vw, 6rem);
    line-height: 1;
    letter-spacing: -.065em;
}
.contact-grid {
    display: grid;
    grid-template-columns: minmax(15rem, 1fr) minmax(0, 2fr);
    gap: 1rem;
}
.contact-grid h2 { margin: 0 0 .75rem; font-size: 1.4rem; letter-spacing: -.03em; }
.contact-grid address { color: var(--muted); font-style: normal; }
.contact-phone { margin-top: 1rem; }
.contact-phone a { margin-top: 0; }
.contact-map {
    display: block;
    width: 100%;
    height: auto;
    min-height: 18rem;
    aspect-ratio: 16 / 9;
    border: 0;
    border-radius: 1.25rem;
    background: var(--surface);
}

@media (max-width: 44rem) {
    .contact-grid { grid-template-columns: 1fr; }
}

.profile-card .call-button {
    display: inline-flex;
    flex-wrap: wrap;
    margin-top: 0;
    color: #fff;
}

.call-button span { font-weight: 400; }

.support-illustration {
    max-width: 52rem;
    margin: 1.75rem 0 0;
}

.support-illustration figcaption {
    margin-top: .6rem;
    color: var(--muted);
    font-size: .85rem;
}

.expertise-image {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 1rem;
}

.profile-card .expertise-image { margin-bottom: 1.1rem; }

.site-footer { flex-wrap: wrap; }

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.social-profile {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    min-height: 2.75rem;
    padding: .35rem .75rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-weight: 650;
}

a.social-profile { color: var(--ink); }
a.social-profile:hover { background: var(--surface); }

.linkedin-mark {
    display: grid;
    place-items: center;
    width: 1.15rem;
    height: 1.15rem;
    border-radius: .18rem;
    background: #0a66c2;
    color: #fff;
    font-size: .8rem;
    line-height: 1;
}

.award-card {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: center;
    gap: clamp(1rem, 4vw, 2.5rem);
}

.award-card .eyebrow { margin-bottom: .5rem; color: var(--blue); }
.award-card .expertise-image { margin: 0; border: 1px solid var(--line); }

@media (max-width: 44rem) {
    .award-card { grid-template-columns: 1fr; }
}

.award-card .award-preview {
    display: block;
    margin-top: 0;
    cursor: zoom-in;
}

html:has(.certificate-gallery[open]) { overflow: hidden; }

.certificate-gallery {
    width: min(58rem, calc(100% - 1.5rem));
    max-height: calc(100dvh - 1.5rem);
    padding: 0;
    border: 1px solid #33425c;
    border-radius: 1.25rem;
    background: #101a2b;
    color: #fff;
}

.certificate-gallery::backdrop { background: rgb(5 14 32 / 82%); }

.certificate-toolbar {
    position: sticky;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .75rem 1rem;
    background: #101a2b;
}

.certificate-toolbar h2 {
    margin: 0;
    font-size: clamp(1rem, 3vw, 1.35rem);
    letter-spacing: normal;
}

.certificate-close {
    width: 2.75rem;
    height: 2.75rem;
    border: 1px solid #667795;
    border-radius: 50%;
    background: #243653;
    color: #fff;
    font-size: 1.7rem;
    line-height: 1;
    cursor: pointer;
}

.certificate-close:hover { background: #36527b; }
.certificate-close:focus-visible { outline: 2px solid #a8ccff; outline-offset: 3px; }

.certificate-slide { margin: 0; padding: 0 1rem 1rem; text-align: center; }

.certificate-slide img {
    display: block;
    width: 100%;
    max-height: 72dvh;
    object-fit: contain;
}

.certificate-slide figcaption { margin-top: .65rem; color: #c4d1e8; font-size: .85rem; }