:root {
    --sk-black: #000000;
    --sk-white: #ffffff;
    --sk-light: #f5f5f7;
    --sk-ink: #1d1d1f;
    --sk-text-secondary: rgba(29, 29, 31, 0.8);
    --sk-text-tertiary: rgba(29, 29, 31, 0.54);
    --sk-dark-secondary: rgba(255, 255, 255, 0.86);
    --sk-dark-tertiary: rgba(255, 255, 255, 0.6);
    --sk-blue: #0071e3;
    --sk-link-blue: #0066cc;
    --sk-link-blue-dark: #2997ff;
    --sk-surface-dark: #1d1d1f;
    --sk-surface-dark-elevated: #272729;
    --sk-surface-light: #ffffff;
    --sk-border-light: rgba(29, 29, 31, 0.08);
    --sk-border-dark: rgba(255, 255, 255, 0.12);
    --sk-shadow: 3px 5px 30px rgba(0, 0, 0, 0.22);
    --sk-focus-color: #0071e3;
    --content-max-width: 1180px;
    --content-tight-width: 980px;
    --header-height: 48px;
    --radius-card: 18px;
    --radius-button: 980px;
    --transition-fast: 180ms ease;
    --transition-medium: 320ms ease;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--sk-light);
    color: var(--sk-ink);
    font-family: "SF Pro Text", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

body[data-nav-open="true"] {
    overflow: hidden;
}

h1,
h2,
h3,
h4,
dt,
strong {
    margin: 0;
    color: inherit;
    font-family: "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

p,
li,
dd {
    margin: 0;
    font-size: 17px;
    line-height: 1.47;
    letter-spacing: -0.374px;
}

ul,
ol,
dl {
    margin: 0;
    padding: 0;
}

a {
    color: inherit;
}

img {
    max-width: 100%;
}

:focus-visible {
    outline: 2px solid var(--sk-focus-color);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    top: -200px;
    left: 12px;
    z-index: 3000;
    padding: 8px 12px;
    border-radius: 8px;
    background: var(--sk-blue);
    color: var(--sk-white);
    font-size: 14px;
    text-decoration: none;
}

.skip-link:focus-visible {
    top: 12px;
}

.page-shell {
    width: 100%;
    overflow: clip;
}

.theme-light {
    background: var(--sk-light);
    color: var(--sk-ink);
}

.theme-dark {
    background: var(--sk-black);
    color: var(--sk-white);
}

.theme-dark p,
.theme-dark li,
.theme-dark dd {
    color: var(--sk-dark-secondary);
}

.section-shell {
    width: min(var(--content-max-width), calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1800;
    height: var(--header-height);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
}

.site-header-inner {
    width: min(var(--content-max-width), calc(100% - 28px));
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand {
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
    min-width: 0;
    color: var(--sk-white);
    text-decoration: none;
}

.brand-label {
    font-size: 10px;
    line-height: 1.33;
    letter-spacing: -0.08px;
    text-transform: uppercase;
    opacity: 0.74;
}

.brand-title {
    font-size: 12px;
    line-height: 1.33;
    letter-spacing: -0.12px;
    font-weight: 600;
    white-space: nowrap;
}

.top-nav {
    display: flex;
    align-items: center;
    gap: 18px;
}

.top-nav a {
    position: relative;
    font-size: 12px;
    line-height: 1.33;
    letter-spacing: -0.12px;
    color: rgba(255, 255, 255, 0.86);
    text-decoration: none;
}

.top-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 100%;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-fast);
}

.top-nav a:hover,
.top-nav a:focus-visible {
    color: var(--sk-white);
}

.top-nav a:hover::after,
.top-nav a:focus-visible::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-toggle,
.nav-backdrop {
    display: none;
}

.nav-toggle {
    align-items: center;
    gap: 4px;
    min-width: 44px;
    min-height: 44px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--sk-white);
    cursor: pointer;
}

.nav-toggle-bar {
    display: block;
    width: 16px;
    height: 1px;
    background: currentColor;
}

.nav-toggle-label {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

main {
    display: block;
}

.hero-dashboard,
.content-section,
.site-footer {
    width: 100%;
}

.hero-dashboard {
    padding: 56px 0 56px;
}

.hero-dashboard-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.95fr);
    gap: 28px;
    align-items: start;
}

.hero-main {
    display: grid;
    gap: 16px;
    padding: 18px 0 12px;
}

.section-kicker,
.eyebrow {
    font-size: 14px;
    line-height: 1.29;
    letter-spacing: -0.224px;
    color: inherit;
    opacity: 0.72;
}

.hero-title {
    max-width: 11ch;
    font-size: clamp(42px, 7vw, 68px);
    font-weight: 600;
    line-height: 1.04;
    letter-spacing: -0.32px;
}

.hero-subtitle {
    max-width: 26ch;
    font-size: clamp(22px, 2.8vw, 30px);
    font-weight: 400;
    line-height: 1.12;
    letter-spacing: -0.18px;
    color: var(--sk-dark-secondary);
}

.hero-summary {
    max-width: 680px;
    display: grid;
    gap: 10px;
}

.hero-summary p {
    color: var(--sk-dark-secondary);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 6px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: var(--radius-button);
    border: 1px solid transparent;
    text-decoration: none;
    font-size: 17px;
    line-height: 1;
    letter-spacing: -0.374px;
    transition: transform var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
}

.button.primary {
    background: var(--sk-blue);
    color: var(--sk-white);
}

.button.primary:hover,
.button.primary:focus-visible {
    background: #0a7bf0;
}

.button.ghost {
    background: transparent;
    color: var(--sk-white);
    border-color: rgba(255, 255, 255, 0.34);
}

.button.ghost.light {
    color: var(--sk-ink);
    border-color: rgba(29, 29, 31, 0.2);
}

.button.wide {
    min-width: min(100%, 220px);
}

.badge-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 4px;
}

.badge-list li {
    padding: 8px 12px;
    border-radius: var(--radius-button);
    background: rgba(255, 255, 255, 0.08);
    color: var(--sk-white);
    font-size: 14px;
    line-height: 1.29;
    letter-spacing: -0.224px;
}

.hero-side {
    display: grid;
    gap: 18px;
}

.portrait-card,
.info-card,
.project-card,
.snapshot-card,
.contact-actions {
    border-radius: var(--radius-card);
}

.portrait-card {
    margin: 0;
    overflow: hidden;
    background: var(--sk-surface-dark);
    border: 1px solid var(--sk-border-dark);
    box-shadow: var(--sk-shadow);
}

.profile-photo {
    display: block;
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    background: var(--sk-surface-dark-elevated);
}

.portrait-card figcaption {
    padding: 12px 16px 16px;
    font-size: 14px;
    line-height: 1.29;
    letter-spacing: -0.224px;
    color: var(--sk-dark-tertiary);
}

.info-card {
    padding: 18px;
    background: var(--sk-surface-dark);
    border: 1px solid var(--sk-border-dark);
}

.info-card-head {
    display: grid;
    gap: 6px;
    margin-bottom: 14px;
}

.micro-copy {
    font-size: 12px;
    line-height: 1.33;
    letter-spacing: -0.12px;
    color: var(--sk-dark-tertiary);
}

.quick-facts-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.quick-fact-item {
    display: grid;
    gap: 4px;
    padding: 12px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
}

.quick-fact-item dt {
    font-size: 12px;
    line-height: 1.33;
    letter-spacing: -0.12px;
    color: var(--sk-dark-tertiary);
}

.quick-fact-item dd {
    font-size: 18px;
    line-height: 1.16;
    letter-spacing: -0.18px;
    color: var(--sk-white);
}

.social-links {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 40px;
    padding: 0 14px;
    border-radius: var(--radius-button);
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.03);
    color: var(--sk-white);
    text-decoration: none;
    transition: transform var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.social-link span,
.contact-meta,
.contact-note,
.meta-line,
.inline-link,
.muted,
.stack-line {
    font-size: 14px;
    line-height: 1.29;
    letter-spacing: -0.224px;
}

.social-link:hover,
.social-link:focus-visible {
    transform: translateY(-1px);
    border-color: rgba(255, 255, 255, 0.38);
    color: var(--sk-link-blue-dark);
}

.content-section {
    padding: 56px 0;
}

.section-heading-row {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}

.section-heading-row h2 {
    max-width: 14ch;
    font-size: clamp(34px, 5vw, 48px);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -0.26px;
}

.section-intro {
    max-width: 520px;
    color: var(--sk-text-tertiary);
}

.theme-dark .section-intro {
    color: var(--sk-dark-tertiary);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.project-card {
    display: grid;
    gap: 16px;
    padding: 22px;
    background: var(--sk-surface-light);
    box-shadow: var(--sk-shadow);
}

.project-topline,
.project-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

.status-pill,
.meta-pill {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 12px;
    border-radius: var(--radius-button);
    font-size: 12px;
    line-height: 1.33;
    letter-spacing: -0.12px;
}

.status-pill {
    background: rgba(0, 113, 227, 0.1);
    color: var(--sk-blue);
}

.meta-pill {
    background: rgba(29, 29, 31, 0.08);
    color: var(--sk-text-tertiary);
}

.project-title {
    font-size: 30px;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.22px;
}

.project-summary {
    color: var(--sk-text-secondary);
}

.highlights-list,
.compact-list {
    list-style: none;
    display: grid;
    gap: 10px;
}

.highlights-list li,
.compact-list li {
    position: relative;
    padding-left: 16px;
}

.highlights-list li::before,
.compact-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 11px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--sk-blue);
}

.stack-line {
    color: var(--sk-text-tertiary);
}

.inline-link {
    width: fit-content;
    color: var(--sk-link-blue);
    text-decoration: none;
}

.theme-dark .inline-link {
    color: var(--sk-link-blue-dark);
}

.inline-link::after {
    content: " >";
}

.inline-link:hover,
.inline-link:focus-visible {
    text-decoration: underline;
}

.muted {
    color: var(--sk-text-tertiary);
}

.theme-dark .muted {
    color: var(--sk-dark-tertiary);
}

.snapshot-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.snapshot-grid:has(.snapshot-card:nth-child(4)) {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.snapshot-card {
    display: grid;
    align-content: start;
    gap: 14px;
    padding: 20px;
    background: var(--sk-surface-dark);
    border: 1px solid var(--sk-border-dark);
}

.snapshot-card-head {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.snapshot-copy {
    color: var(--sk-dark-tertiary);
}

.theme-dark .compact-list li::before {
    background: var(--sk-link-blue-dark);
}

.contact-section {
    padding-top: 52px;
    padding-bottom: 52px;
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: 20px;
    align-items: center;
}

.contact-copy {
    display: grid;
    gap: 12px;
}

.contact-copy h2 {
    max-width: 14ch;
    font-size: clamp(32px, 4.4vw, 44px);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -0.24px;
}

.contact-actions {
    display: grid;
    gap: 12px;
    padding: 20px;
    background: var(--sk-surface-light);
    border: 1px solid var(--sk-border-light);
    box-shadow: var(--sk-shadow);
}

.contact-meta,
.contact-note {
    color: var(--sk-text-tertiary);
}

.site-footer {
    padding: 24px 0 44px;
}

.site-footer-inner {
    width: min(var(--content-tight-width), calc(100% - 40px));
    margin: 0 auto;
    display: grid;
    gap: 4px;
}

.site-footer p {
    font-size: 12px;
    line-height: 1.33;
    letter-spacing: -0.12px;
    color: var(--sk-dark-tertiary);
}

.site-icp {
    justify-self: center;
    text-align: center;
    margin-top: 8px;
}

.site-icp a {
    color: inherit;
    text-decoration: none;
}

.site-icp a:hover,
.site-icp a:focus-visible {
    color: var(--sk-link-blue-dark);
    text-decoration: underline;
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}

@supports not selector(:has(*)) {
    .snapshot-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

@media (max-width: 1180px) {
    .hero-dashboard-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hero-side {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: start;
    }

    .portrait-card {
        grid-column: span 2;
    }

    .snapshot-grid,
    .snapshot-grid:has(.snapshot-card:nth-child(4)) {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .section-heading-row {
        flex-direction: column;
        align-items: start;
        margin-bottom: 20px;
    }

    .section-intro {
        max-width: 100%;
    }

    .project-grid,
    .snapshot-grid,
    .snapshot-grid:has(.snapshot-card:nth-child(4)),
    .hero-side {
        grid-template-columns: 1fr;
    }

    .portrait-card {
        grid-column: auto;
    }
}

@media (max-width: 834px) {
    .site-header-inner {
        width: calc(100% - 20px);
    }

    .nav-toggle,
    .nav-backdrop {
        display: block;
    }

    .nav-toggle {
        position: relative;
        z-index: 1900;
        margin-left: auto;
        flex-direction: column;
        justify-content: center;
    }

    .top-nav {
        position: fixed;
        top: calc(var(--header-height) + 12px);
        right: 16px;
        left: 16px;
        z-index: 1850;
        display: grid;
        gap: 4px;
        padding: 12px;
        border-radius: 18px;
        background: rgba(29, 29, 31, 0.98);
        border: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: var(--sk-shadow);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-8px);
        transition: opacity var(--transition-fast), transform var(--transition-fast);
    }

    .top-nav[data-open="true"] {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .top-nav a {
        min-height: 44px;
        display: flex;
        align-items: center;
        padding: 0 10px;
        border-radius: 12px;
    }

    .top-nav a:hover,
    .top-nav a:focus-visible {
        background: rgba(255, 255, 255, 0.08);
    }

    .top-nav a::after {
        display: none;
    }

    .nav-backdrop {
        position: fixed;
        inset: var(--header-height) 0 0;
        z-index: 1750;
        background: rgba(0, 0, 0, 0.3);
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-fast);
    }

    body[data-nav-open="true"] .nav-backdrop {
        opacity: 1;
        pointer-events: auto;
    }

    .hero-dashboard,
    .content-section,
    .site-footer {
        padding-left: 0;
        padding-right: 0;
    }
}

@media (max-width: 640px) {
    .section-shell,
    .site-footer-inner {
        width: calc(100% - 32px);
    }

    .brand-title {
        max-width: 132px;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .hero-dashboard {
        padding-top: 34px;
        padding-bottom: 42px;
    }

    .hero-title {
        font-size: 34px;
    }

    .hero-subtitle {
        font-size: 21px;
        line-height: 1.16;
    }

    .project-card,
    .snapshot-card,
    .info-card,
    .contact-actions {
        padding: 18px;
    }

    .project-title {
        font-size: 24px;
    }

    .contact-copy h2,
    .section-heading-row h2 {
        font-size: 28px;
    }

    .quick-facts-grid {
        grid-template-columns: 1fr;
    }

    .button.wide {
        width: 100%;
    }
}