@font-face {
  font-family: "Geist";
  src: url("https://sdk.jbreda.dev/static/geist-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

.geist-regular {
  font-family: "Geist", sans-serif;
  font-weight: 400;
  font-style: normal;
}

:root {
    --color-canvas: #f5f5f5;
    --color-paper: #ffffff;
    --color-surface-alt: #fafafa;
    --color-ink: #0a0a0a;
    --color-ink-soft: #171717;
    --color-mid-gray: #737373;
    --color-hairline: #e5e5e5;
    --color-ember: #e7000b;

    --color-bg: var(--color-canvas);
    --color-surface: var(--color-paper);
    --color-text: var(--color-ink);
    --color-accent: var(--color-ink);
    --color-accent-2: var(--color-mid-gray);
    --color-divider: var(--color-hairline);
    --color-muted: var(--color-ink-soft);

    --font-heading: "Geist", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: var(--font-heading);
    --font-heading-weight: 600;

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-12: 48px;
    --space-16: 64px;
    --space-24: 80px;

    --radius-md: 6px;
    --radius-lg: 10px;
    --radius: 18px;
    --radius-card: 24px;

    --shadow-subtle: 0 0 0 1px rgba(23, 23, 23, 0.05), 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);

    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --measure: 62ch;
    --page: 1280px;
    --gutter: clamp(var(--space-4), 5vw, var(--space-24));
}

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

::selection { background: var(--color-ink); color: var(--color-surface-alt); }

html {
    overflow-x: hidden;
    scroll-behavior: smooth;
    background: var(--color-canvas);
    scrollbar-width: thin;
    scrollbar-color: var(--color-hairline) var(--color-canvas);
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--color-canvas);
    color: var(--color-ink);
    font-family: var(--font-body);
    font-feature-settings: "ss01", "cv11";
    font-size: 14px;
    line-height: 1.43;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    counter-reset: section card;
}

main {
    max-width: var(--page);
    margin: 0 auto;
    flex: 1 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-12) var(--space-6);
    align-content: start;
    padding: var(--space-6) var(--gutter) var(--space-12);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: var(--font-heading-weight);
    line-height: 1.2;
    letter-spacing: -0.025em;
    color: var(--color-ink);
    text-wrap: balance;
}

a {
    color: var(--color-ink);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-decoration-color: var(--color-mid-gray);
    text-underline-offset: 3px;
    transition: text-decoration-color 0.2s var(--ease);
}
a:hover { text-decoration-color: var(--color-ink); }

:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-ink); outline-offset: 2px; }

b, strong { font-weight: 600; color: var(--color-ink); }

.noscript-warning {
    background: var(--color-paper);
    color: var(--color-ember);
    border-bottom: 1px solid var(--color-hairline);
    padding: var(--space-3) var(--gutter);
    font-size: 14px;
}
.noscript-warning strong { color: inherit; }

.cmd {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    color: var(--color-ink-soft);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 var(--space-6);
}

.section { counter-increment: section; }

.section > .cmd::before {
    content: counter(section, decimal-leading-zero) " ·";
    color: var(--color-ink-soft);
    font-feature-settings: "tnum" 1;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--color-canvas); }
::-webkit-scrollbar-thumb { background: var(--color-hairline); border: 3px solid var(--color-canvas); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-mid-gray); }

.nav {
    position: sticky;
    top: 0;
    z-index: 10;
    width: 100%;
    background: color-mix(in srgb, var(--color-canvas) 90%, transparent);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.nav-inner {
    max-width: var(--page);
    margin: 0 auto;
    padding: 0 var(--gutter);
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
}

.nav-brand {
    font-family: var(--font-heading);
    font-weight: var(--font-heading-weight);
    font-size: 20px;
    letter-spacing: -0.025em;
    color: var(--color-ink);
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 14px;
    font-weight: 500;
}

.nav-links a {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 var(--space-4);
    border-radius: var(--radius);
    color: var(--color-ink);
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.15s var(--ease);
}
.nav-links a:hover { background: var(--color-hairline); }
.nav-links a[aria-current="page"] { background: var(--color-paper); box-shadow: inset 0 0 0 1px var(--color-hairline); }

.burger-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    margin: 0;
    padding: 10px;
    background: transparent;
    border: 0;
    border-radius: var(--radius);
    cursor: pointer;
}
.burger-btn:hover { background: var(--color-hairline); }
.burger-btn:active { background: var(--color-hairline); }

.burger-btn span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--color-ink);
    transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}
.burger-btn.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger-btn.is-open span:nth-child(2) { opacity: 0; }
.burger-btn.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.hero {
    padding: var(--space-6) 0 0;
}

.hero .cmd,

.hero h1 {
    font-size: clamp(36px, 28px + 2vw, 48px);
    line-height: 1.1;
    letter-spacing: -0.05em;
    margin: 0;
    max-width: 16ch;
}

.hero h1 .role {
    display: block;
    margin-top: var(--space-4);
    font-family: var(--font-body);
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 0;
    line-height: 1.56;
    color: var(--color-ink-soft);
}

.hero p.lead {
    color: var(--color-ink-soft);
    font-size: 16px;
    line-height: 1.5;
    max-width: 52ch;
    margin: var(--space-6) 0 0;
}

.reveal {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

.project-grid > .reveal:nth-child(2) { transition-delay: 80ms; }
.project-grid > .reveal:nth-child(3) { transition-delay: 160ms; }
.project-grid > .reveal:nth-child(4) { transition-delay: 240ms; }
.project-grid > .reveal:nth-child(5) { transition-delay: 320ms; }
.project-grid > .reveal:nth-child(6) { transition-delay: 400ms; }

.ticker {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: var(--space-3) 0;
    background: var(--color-paper);
    border-top: 1px solid var(--color-hairline);
    border-bottom: 1px solid var(--color-hairline);
}

.ticker__track {
    display: flex;
    width: max-content;
    animation: ticker-scroll 60s linear infinite;
}
.ticker:hover .ticker__track,
.ticker:focus-within .ticker__track { animation-play-state: paused; }

.ticker__group { display: flex; align-items: center; flex-shrink: 0; }

.ticker__item {
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-ink);
    white-space: nowrap;
    padding: 0 var(--space-6);
}

.ticker__dot { color: var(--color-mid-gray); font-size: 10px; line-height: 1; }

@keyframes ticker-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.section {
    position: relative;
    padding: 0;
}

.section > h2 {
    font-size: clamp(24px, 20px + 1vw, 30px);
    margin: 0 0 var(--space-4);
    max-width: 24ch;
}

.section > p {
    max-width: var(--measure);
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-ink-soft);
    margin: 0 0 var(--space-3);
}

html { scroll-padding-top: 72px; }
.section { scroll-margin-top: 72px; }

@media (min-width: 960px) {
    main {
        grid-template-columns: repeat(12, minmax(0, 1fr));
        align-items: start;
        gap: var(--space-16) 32px;
        padding-top: var(--space-12);
    }
    main > :not(.hero) { grid-column: 1 / -1; }
    .hero { grid-column: 1 / 7; }
    #experience { grid-column: 7 / -1; }
    #projects { grid-column: 1 / -1; }
    #certs { grid-column: 1 / 7; }
    #courses { grid-column: 7 / -1; }
    main:not(:has(#certs)) #courses { grid-column: 1 / -1; }

    #projects .project-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: var(--space-6);
    }
    #projects .card--featured { grid-column: 1 / -1; }
}

.nav-links span[aria-hidden="true"] { color: var(--color-hairline); }

.section-title {
    font-size: clamp(24px, 20px + 1vw, 30px);
    margin: 0 0 var(--space-6);
    max-width: 24ch;
}

.hero-kicker {
    margin: 0 0 var(--space-3);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-ink-soft);
}

.hero-photo {
    flex: 0 0 auto;
    width: 120px;
    height: 120px;
    margin: 0;
}
.hero-photo img { display: block; width: 100%; height: 100%; object-fit: contain; }

.entry-group { max-width: var(--measure); }

.entry-group-label {
    margin: 0 0 var(--space-3);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-ink-soft);
}

.entry-list { margin: 0; }
.entry {
    background: var(--color-paper);
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-subtle);
    padding: var(--space-5);
}
.entry dt { font-size: 18px; font-weight: 500; line-height: 1.56; margin: 0 0 var(--space-2); }
.entry dd { margin: 0; font-size: 16px; line-height: 1.5; color: var(--color-ink-soft); }

.card-kicker {
    margin: 0 0 var(--space-2);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-ink-soft);
}

#courses .project-grid,
#certs .project-grid {
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 150px), 200px));
    gap: var(--space-3);
}
#courses .card,
#certs .card { padding: var(--space-4); }
#courses .card::before,
#certs .card::before { margin-bottom: var(--space-2); }
#courses .card h3,
#certs .card h3 { font-size: 16px; }
.doc-preview { aspect-ratio: 3 / 2; margin-bottom: var(--space-3); }

.skill-tabs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin: var(--space-6) 0;
}

.skill-group-row { display: inline-flex; flex-wrap: wrap; gap: var(--space-2); }

.skill-sep { display: inline-block; width: var(--space-4); }

.skill-tab {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    width: auto;
    min-height: 40px;
    margin: 0;
    white-space: nowrap;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-ink);
    background: var(--color-paper);
    border: 0;
    box-shadow: inset 0 0 0 1px var(--color-hairline);
    border-radius: var(--radius);
    padding: 0 var(--space-4);
    cursor: pointer;
    transition: background 0.15s var(--ease);
}
.skill-tab:hover { background: var(--color-hairline); }
.skill-tab.is-active {
    color: var(--color-surface-alt);
    background: var(--color-ink);
    box-shadow: none;
}
.skill-tab.is-active:hover { background: var(--color-ink-soft); }

.skill-detail[hidden] { display: none; }

.skill-detail {
    max-width: var(--measure);
    margin: 0;
    padding: var(--space-4) 0 0;
    animation: module-in 0.45s var(--ease);
}

@keyframes module-in {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: none; }
}

.skill-detail .cmd {
    margin: 0 0 var(--space-2);
    text-transform: none;
    letter-spacing: 0;
    font-size: 14px;
}

.skill-detail-text {
    color: var(--color-ink-soft);
    font-size: 16px;
    line-height: 1.5;
    white-space: pre-line;
    margin: 0;
}

.lang-dot { display: none; }

.empty-state { color: var(--color-ink-soft); }

.card {
    position: relative;
    counter-increment: card;
    display: flex;
    flex-direction: column;
    background: var(--color-paper);
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-subtle);
    padding: var(--space-5);
}

.card::before {
    content: 'No. ' counter(card, decimal-leading-zero);
    display: block;
    margin-bottom: var(--space-3);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-mid-gray);
    font-feature-settings: "tnum" 1;
}

.card:hover,
.card:focus-within { background: var(--color-surface-alt); }

.card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.card h3 { font-size: 18px; font-weight: 500; line-height: 1.56; letter-spacing: 0; margin: 0; }

.card h3 a { color: var(--color-ink); text-decoration: none; }
.card h3 a:hover { text-decoration: underline; }

.card .lang-tag {
    flex-shrink: 0;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.05em;
    padding: 2px var(--space-2);
    border-radius: var(--radius);
    box-shadow: inset 0 0 0 1px var(--color-hairline);
    background: transparent;
    color: var(--color-ink-soft);
}

.card p.desc {
    flex: 1;
    color: var(--color-ink-soft);
    font-size: 14px;
    line-height: 1.43;
    margin: 0 0 var(--space-4);
}

.card .repo-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    min-height: 40px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-ink);
    text-decoration: none;
    overflow-wrap: anywhere;
}
.card .repo-link::after { content: '→'; transition: transform 0.25s var(--ease); }
.card .repo-link:hover { text-decoration: underline; }
.card .repo-link:hover::after { transform: translateX(3px); }

.btn-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 40px;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 14px;
    line-height: 1.2;
    padding: 0 var(--space-4);
    color: var(--color-ink);
    text-decoration: none;
    background: var(--color-paper);
    border: 0;
    box-shadow: inset 0 0 0 1px var(--color-hairline);
    border-radius: var(--radius);
    transition: background 0.15s var(--ease);
}
.btn-link:hover { background: var(--color-hairline); }

.btn-link.primary { background: var(--color-ink); color: var(--color-surface-alt); box-shadow: none; }
.btn-link.primary:hover { background: var(--color-ink-soft); color: var(--color-surface-alt); }

.field-group { margin-bottom: var(--space-4); max-width: 560px; }
.field-group:last-of-type { margin-bottom: 0; }

label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: var(--space-2);
}

input,
textarea {
    width: 100%;
    min-height: 40px;
    font: inherit;
    font-size: 14px;
    color: var(--color-ink);
    caret-color: var(--color-ink);
    background: var(--color-canvas);
    border: 0;
    border-radius: var(--radius);
    padding: var(--space-2) var(--space-4);
    resize: vertical;
    transition: background 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
input:focus, textarea:focus { background: transparent; box-shadow: inset 0 0 0 1px var(--color-hairline); }
input::placeholder, textarea::placeholder { color: var(--color-mid-gray); opacity: 1; }

textarea { min-height: 140px; }

.honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

button {
    margin-top: var(--space-6);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 14px;
    line-height: 1.2;
    color: var(--color-surface-alt);
    background: var(--color-ink);
    border: 0;
    border-radius: var(--radius);
    padding: 0 var(--space-5);
    cursor: pointer;
    transition: background 0.15s var(--ease);
}
button:hover { background: var(--color-ink-soft); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.status {
    max-width: 560px;
    padding: var(--space-3) var(--space-4);
    font-size: 14px;
    margin: 0 0 var(--space-6);
    background: var(--color-paper);
    color: var(--color-ink);
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius-lg);
}
.status.ok { background: var(--color-surface-alt); color: var(--color-ink); }
.status.err { color: var(--color-ember); }
.status ul { margin: var(--space-1) 0 0; padding-left: var(--space-4); }

.cookie-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: var(--space-4);
    background: color-mix(in srgb, var(--color-ink) 40%, transparent);
}
.cookie-overlay[hidden] { display: none; }

.cookie-modal {
    width: 100%;
    max-width: 480px;
    padding: var(--space-6);
    background: var(--color-paper);
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-subtle);
    animation: module-in 0.45s var(--ease);
}

.cookie-modal .cmd { margin: 0 0 var(--space-2); }
.cookie-modal .cmd::before { content: none; }

.cookie-modal p.body { font-size: 14px; color: var(--color-ink-soft); margin: 0 0 var(--space-6); }

.cookie-actions { display: flex; justify-content: flex-end; gap: var(--space-2); flex-wrap: wrap; }

.cookie-actions button { margin-top: 0; padding: 0 var(--space-4); }

.cookie-actions .btn-secondary {
    background: var(--color-canvas);
    color: var(--color-ink);
}
.cookie-actions .btn-secondary:hover { background: var(--color-hairline); }

footer {
    max-width: var(--page);
    width: 100%;
    margin: 0 auto;
    padding: var(--space-12) var(--gutter) var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
    font-size: 14px;
    color: var(--color-ink-soft);
}
footer a { color: var(--color-ink); font-weight: 500; text-decoration: none; }
footer a:hover { text-decoration: underline; }

.hero-grid {
    display: flex;
    gap: var(--space-12);
    align-items: flex-end;
    flex-wrap: wrap;
}

.hero-text { flex: 1 1 460px; min-width: 0; }

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
    gap: var(--space-6);
}
.card--featured { grid-column: 1 / -1; }
.entry-list { max-width: none; }

.doc-preview {
    display: block;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius-lg);
}

.doc-preview img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

@media (max-width: 900px) {
    .hero-grid { flex-direction: column; align-items: flex-start; gap: var(--space-6); }
    .hero-photo { order: -1; width: 88px; height: 88px; }
    .hero-terminal { max-width: 100%; }
}

@media (max-width: 760px) {
    .burger-btn { display: flex; }
    .nav-links a[href="#top"] { display: none; }

    .nav-links {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0 var(--gutter);
        background: var(--color-paper);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s var(--ease);
    }
    .nav-links.is-open { max-height: 360px; border-bottom: 1px solid var(--color-hairline); box-shadow: var(--shadow-subtle); }
    .nav-links a { min-height: 48px; padding: 0; border-radius: 0; font-size: 16px; }
    .nav-links a:hover { background: transparent; text-decoration: underline; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .skill-detail, .cookie-modal { animation: none; }
    .reveal { opacity: 1; transform: none; transition: none; }
    .ticker__track { animation: none; flex-wrap: wrap; width: auto; }
    .ticker__group[aria-hidden="true"] { display: none; }
}