:root {
    color-scheme: dark;

    --color-background: #060a0c;
    --color-surface: #091014;
    --color-text: #f2f5f4;
    --color-muted: #a8b0b0;
    --color-green: #6ee76a;
    --color-cyan: #67ddec;
    --color-border: #265f36;
    --color-border-muted: #1d2a2c;

    --font-sans:
            -apple-system,
            BlinkMacSystemFont,
            "Segoe UI",
            sans-serif;

    --font-mono:
            "SFMono-Regular",
            Consolas,
            "Liberation Mono",
            monospace;

    --page-width: 90rem;
    --page-gutter: clamp(1rem, 4vw, 4rem);
    --focus-outline: 0.1875rem solid var(--color-cyan);
    --transition-speed: 160ms;
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-width: 20rem;
    min-height: 100vh;
    margin: 0;
    background: var(--color-background);
    color: var(--color-text);
    font-family: var(--font-sans);
    line-height: 1.5;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
p,
dl,
dd {
    margin: 0;
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

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

svg {
    display: block;
}

a:focus-visible {
    outline: var(--focus-outline);
    outline-offset: 0.25rem;
}

/* Keyboard skip link */

.skip-link {
    position: fixed;
    top: -5rem;
    left: 1rem;
    z-index: 100;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-cyan);
    background: var(--color-background);
    color: var(--color-cyan);
    font-family: var(--font-mono);
}

.skip-link:focus {
    top: 1rem;
}

/* Header and navigation */

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    width: min(100%, var(--page-width));
    margin: 0 auto;
    padding: 1.5rem var(--page-gutter);
    border-bottom: 1px solid var(--color-border-muted);
    font-family: var(--font-mono);
}

.site-brand {
    flex-shrink: 0;
    color: var(--color-green);
    font-size: clamp(0.95rem, 2vw, 1.125rem);
    letter-spacing: 0.02em;
}

.nav-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: clamp(1rem, 2.5vw, 2.5rem);
}

.nav-list a {
    color: var(--color-muted);
    font-size: 0.875rem;
    transition: color var(--transition-speed) ease;
}

.nav-list a:hover {
    color: var(--color-text);
}

/* Main page container */

main {
    width: min(100%, var(--page-width));
    margin: 0 auto;
    padding: 1.25rem var(--page-gutter) 4rem;
}

/* Hero and terminal frame */

.hero {
    padding-bottom: 1.75rem;
}

.terminal-frame {
    padding: clamp(1.5rem, 3.5vw, 3.5rem);
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    background: var(--color-surface);
    box-shadow: 0 1.5rem 4rem rgb(0 0 0 / 28%);
}

.terminal-command {
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
    font-family: var(--font-mono);
    font-size: clamp(0.875rem, 1.5vw, 1.0625rem);
    line-height: 1.5;
}

.terminal-user {
    color: var(--color-green);
}

.terminal-action {
    color: var(--color-cyan);
}

.terminal-output {
    margin-top: 0.35rem;
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: clamp(0.875rem, 1.5vw, 1.0625rem);
    line-height: 1.65;
}

.hero-message {
    max-width: 64rem;
    margin: clamp(2rem, 5vw, 4rem) 0 clamp(2rem, 4vw, 3rem);
}

.hero-message h1 {
    max-width: 61rem;
    font-size: clamp(2.35rem, 5.5vw, 5.25rem);
    font-weight: 700;
    letter-spacing: -0.045em;
    line-height: 1.05;
}

.hero-summary {
    max-width: 52rem;
    margin-top: 1rem;
    color: var(--color-muted);
    font-family: var(--font-mono);
    font-size: clamp(1rem, 1.8vw, 1.25rem);
    line-height: 1.55;
}

/* Hero actions */

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    min-height: 3rem;
    padding: 0.75rem 1.15rem;
    border: 1px solid currentColor;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    transition:
            background-color var(--transition-speed) ease,
            color var(--transition-speed) ease,
            transform var(--transition-speed) ease;
}

.button:hover {
    transform: translateY(-0.125rem);
}

.button-primary {
    color: var(--color-green);
}

.button-primary::after {
    content: "→";
    font-size: 1.25rem;
    line-height: 1;
}

.button-primary:hover {
    background: rgb(110 231 106 / 8%);
}

.button-secondary {
    color: var(--color-cyan);
}

.button-secondary::after {
    content: "→";
    font-size: 1.25rem;
    line-height: 1;
}

.button-secondary:hover {
    background: rgb(103 221 236 / 8%);
}

/* Technology stack */

.stack {
    max-width: 46rem;
}

.stack-list {
    margin-top: 0.75rem;
    border: 1px solid var(--color-border);
    font-family: var(--font-mono);
    font-size: clamp(0.8rem, 1.4vw, 0.95rem);
}

.stack-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(9rem, 1.1fr);
    gap: 1rem;
    padding: 0.25rem 0.75rem;
    border-bottom: 1px solid var(--color-border-muted);
}

.stack-item:last-child {
    border-bottom: 0;
}

.stack-item dt {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.75rem;
    color: var(--color-green);
}

.stack-item dt::after {
    content: ":";
}

.stack-item dd {
    color: var(--color-text);
}

/* Location */

.location {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-top: 1.25rem;
    color: var(--color-muted);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.location svg {
    flex: 0 0 auto;
    color: var(--color-green);
}

/* Professional profile links */

.profile-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
    max-width: 35rem;
    margin-top: 1.5rem;
}

.profile-links a {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-height: 3rem;
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--color-border-muted);
    border-radius: 0.25rem;
    color: var(--color-cyan);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    transition:
            border-color var(--transition-speed) ease,
            background-color var(--transition-speed) ease,
            color var(--transition-speed) ease,
            transform var(--transition-speed) ease;
}

.profile-links a:hover {
    border-color: var(--color-green);
    background: rgb(110 231 106 / 6%);
    color: var(--color-green);
    transform: translateY(-0.125rem);
}

.profile-icon {
    flex: 0 0 auto;
    width: 1.125rem;
    height: 1.125rem;
}

.external-arrow {
    margin-left: auto;
    color: var(--color-muted);
    font-size: 1rem;
    line-height: 1;
}

/* Shared section heading */

.section-heading {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

.section-heading p {
    color: var(--color-green);
    font-size: 1.15rem;
}

.section-heading h2 {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    letter-spacing: 0.03em;
}

/* About section */

.about-section {
    padding: clamp(3.5rem, 7vw, 7rem) clamp(0rem, 2vw, 2rem);
    border-top: 1px solid var(--color-border-muted);
    font-family: var(--font-mono);
}

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(22rem, 0.9fr);
    gap: clamp(3rem, 7vw, 7rem);
    margin-top: clamp(2rem, 4vw, 3.5rem);
}

.about-copy {
    min-width: 0;
}

.about-lead {
    max-width: 49rem;
    margin-top: 1.5rem;
    color: var(--color-text);
    font-size: clamp(1.75rem, 3.1vw, 2.75rem);
    font-weight: 650;
    letter-spacing: -0.025em;
    line-height: 1.4;
}

.section-rule {
    display: block;
    width: 2.25rem;
    height: 0.125rem;
    margin: 1.5rem 0;
    background: var(--color-green);
}

.about-summary {
    max-width: 46rem;
    color: var(--color-muted);
    font-size: clamp(1rem, 1.7vw, 1.15rem);
    line-height: 1.65;
}

/* Career progression */

.career-path {
    padding-left: clamp(2rem, 4vw, 4rem);
    border-left: 1px solid var(--color-border-muted);
}

.career-path h3 {
    color: var(--color-green);
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.career-list {
    margin-top: 2rem;
}

.career-list li {
    position: relative;
    display: grid;
    grid-template-columns: 3.5rem minmax(0, 1fr);
    align-items: center;
    gap: 1.5rem;
    min-height: 5.75rem;
    color: var(--color-text);
    font-size: clamp(0.95rem, 1.5vw, 1.125rem);
}

.career-list li:not(:last-child)::after {
    position: absolute;
    top: 4.625rem;
    bottom: -1.125rem;
    left: 1.6875rem;
    width: 1px;
    background: var(--color-green);
    content: "";
}

.career-number {
    display: grid;
    width: 3.5rem;
    height: 3.5rem;
    place-items: center;
    border: 1px solid var(--color-green);
    color: var(--color-green);
    font-size: 1.05rem;
}

/* Engineering principles */

.principles {
    margin-top: clamp(3rem, 6vw, 5rem);
    padding: 2rem 0;
    border-top: 1px solid var(--color-border-muted);
    border-bottom: 1px solid var(--color-border-muted);
}

.principles-list {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    margin-top: 1.75rem;
}

.principles-list li {
    position: relative;
    display: grid;
    gap: 0.35rem;
    min-width: 0;
    padding: 0 3.5rem 0 0;
    border-right: 1px solid var(--color-border-muted);
    font-size: clamp(0.9rem, 1.5vw, 1.05rem);
}

.principles-list li:not(:first-child) {
    padding-left: 2.5rem;
}

.principles-list li:last-child {
    border-right: 0;
}

.principles-list li:not(:last-child)::after {
    position: absolute;
    top: 50%;
    right: 1.25rem;
    color: var(--color-green);
    content: "→";
    font-size: 1.4rem;
    line-height: 1;
    transform: translateY(-50%);
}

.principle-number {
    color: var(--color-green);
}

/* Preview of the next section */

.next-section {
    padding: clamp(2rem, 4vw, 3.5rem) clamp(0rem, 2vw, 2rem);
}

/* Tablet layout */

@media (max-width: 56rem) {
    .site-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 1rem;
    }

    .nav-list {
        justify-content: flex-start;
        gap: 0.75rem 1.25rem;
    }

    .hero-message {
        margin-top: 2.5rem;
    }

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

    .career-path {
        padding-top: 2.5rem;
        padding-left: 0;
        border-top: 1px solid var(--color-border-muted);
        border-left: 0;
    }

    .principles-list {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        row-gap: 2rem;
    }

    .principles-list li:nth-child(3) {
        border-right: 0;
    }

    .principles-list li:nth-child(4) {
        padding-left: 0;
    }
}

/* Mobile layout */

@media (max-width: 40rem) {
    .site-header {
        padding-top: 1rem;
        padding-bottom: 1rem;
    }

    .nav-list {
        column-gap: 1rem;
    }

    .nav-list a {
        font-size: 0.8rem;
    }

    main {
        padding-top: 1rem;
    }

    .terminal-frame {
        padding: 1.25rem;
        border-radius: 0.5rem;
    }

    .hero-message h1 {
        font-size: clamp(2rem, 11vw, 3.25rem);
    }

    .hero-actions {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .profile-links {
        grid-template-columns: 1fr;
    }

    .stack-item {
        grid-template-columns: 1fr;
        gap: 0.15rem;
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }

    .stack-item dt {
        grid-template-columns: auto;
    }

    .stack-item dt::after {
        content: none;
    }

    .about-section {
        padding-right: 0;
        padding-left: 0;
    }

    .about-lead {
        font-size: clamp(1.55rem, 8vw, 2.25rem);
    }

    .career-list li {
        grid-template-columns: 3rem minmax(0, 1fr);
        gap: 1rem;
    }

    .career-number {
        width: 3rem;
        height: 3rem;
    }

    .career-list li:not(:last-child)::after {
        top: 4.375rem;
        left: 1.46875rem;
    }

    .principles-list {
        grid-template-columns: 1fr;
        row-gap: 0;
    }

    .principles-list li,
    .principles-list li:not(:first-child),
    .principles-list li:nth-child(4) {
        padding: 0.85rem 2.5rem 0.85rem 0;
        border-right: 0;
        border-bottom: 1px solid var(--color-border-muted);
    }

    .principles-list li:last-child {
        border-bottom: 0;
    }

    .principles-list li:not(:last-child)::after {
        right: 0.5rem;
        content: "↓";
    }

    .next-section {
        padding-right: 0;
        padding-left: 0;
    }
}

/* Accessibility: minimize motion when requested */

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

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms;
        animation-iteration-count: 1;
        transition-duration: 0.01ms;
    }

    .button:hover {
        transform: none;
    }

    .profile-links a:hover {
        transform: none;
    }
}
/* Experience section */

.experience-section {
    padding: clamp(3.5rem, 7vw, 7rem) clamp(0rem, 2vw, 2rem);
    border-top: 1px solid var(--color-border-muted);
    font-family: var(--font-mono);
}

.experience-intro {
    margin-top: clamp(2rem, 4vw, 3rem);
}

.experience-intro > p:last-child {
    margin-top: 1rem;
    color: var(--color-muted);
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    line-height: 1.4;
}

.experience-list {
    margin-top: clamp(2.5rem, 5vw, 4rem);
}

.experience-item {
    position: relative;
    display: grid;
    grid-template-columns: 10rem minmax(0, 1fr);
    gap: 3rem;
    padding-bottom: 1.5rem;
}

.experience-item:last-child {
    padding-bottom: 0;
}

.experience-item:not(:last-child)::before {
    position: absolute;
    top: 2rem;
    bottom: -0.5rem;
    left: 11.5rem;
    width: 1px;
    background: var(--color-border-muted);
    content: "";
}

.experience-date {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding-top: 1.35rem;
    color: var(--color-cyan);
    font-size: 0.875rem;
    line-height: 1.5;
    text-align: right;
}

.experience-date::after {
    position: absolute;
    top: 1.65rem;
    right: -1.875rem;
    z-index: 1;
    width: 0.75rem;
    height: 0.75rem;
    border: 2px solid var(--color-cyan);
    border-radius: 50%;
    background: var(--color-background);
    content: "";
}

.experience-card {
    min-width: 0;
    padding: clamp(1.5rem, 3vw, 2.25rem);
    border: 1px solid var(--color-border-muted);
    border-radius: 0.5rem;
    background: var(--color-surface);
}

.experience-item-current .experience-card {
    border-color: var(--color-green);
}

.experience-item-current .experience-date {
    color: var(--color-green);
}

.experience-item-current .experience-date::after {
    border-color: var(--color-green);
    background: var(--color-green);
    box-shadow: 0 0 0 0.25rem rgb(110 231 106 / 12%);
}

.experience-item-current:not(:last-child)::before {
    background:
            linear-gradient(
                    to bottom,
                    var(--color-green),
                    var(--color-border-muted)
            );
}

.experience-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--color-border-muted);
}

.experience-card-header h3 {
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: clamp(1.25rem, 2vw, 1.65rem);
    line-height: 1.25;
}

.experience-role {
    margin-top: 0.35rem;
    color: var(--color-cyan);
    font-size: clamp(0.95rem, 1.6vw, 1.125rem);
}

.experience-item-current .experience-role {
    color: var(--color-green);
}

.experience-location {
    margin-top: 0.4rem;
    color: var(--color-muted);
    font-size: 0.875rem;
}

.current-badge {
    flex: 0 0 auto;
    padding: 0.4rem 0.7rem;
    border: 1px solid var(--color-green);
    border-radius: 0.25rem;
    color: var(--color-green);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    line-height: 1;
    text-transform: uppercase;
}

.experience-achievements {
    display: grid;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.experience-achievements li {
    position: relative;
    padding-left: 1.25rem;
    color: var(--color-muted);
    font-family: var(--font-sans);
    font-size: 0.975rem;
    line-height: 1.65;
}

.experience-achievements li::before {
    position: absolute;
    top: 0;
    left: 0;
    color: var(--color-cyan);
    content: "•";
    font-family: var(--font-mono);
}

.experience-item-current .experience-achievements li::before {
    color: var(--color-green);
}

.technology-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1.5rem;
}

.technology-list li {
    padding: 0.35rem 0.6rem;
    border: 1px solid var(--color-cyan);
    border-radius: 0.25rem;
    color: var(--color-cyan);
    font-size: 0.75rem;
    line-height: 1;
}

.experience-item-current .technology-list li {
    border-color: var(--color-green);
    color: var(--color-green);
}

/* Experience tablet layout */

@media (max-width: 56rem) {
    .experience-item {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        padding-bottom: 2rem;
    }

    .experience-item:not(:last-child)::before {
        content: none;
    }

    .experience-date {
        flex-direction: row;
        align-items: center;
        gap: 0.5rem;
        padding-top: 0;
        color: var(--color-cyan);
        text-align: left;
    }

    .experience-date::after {
        content: none;
    }
}

/* Experience mobile layout */

@media (max-width: 40rem) {
    .experience-section {
        padding-right: 0;
        padding-left: 0;
    }

    .experience-intro > p:last-child {
        font-size: 1.15rem;
    }

    .experience-card {
        padding: 1.25rem;
    }

    .experience-card-header {
        flex-direction: column;
        gap: 1rem;
    }

    .current-badge {
        order: -1;
    }

    .experience-achievements li {
        padding-left: 1rem;
        font-size: 0.925rem;
        line-height: 1.6;
    }

    .technology-list {
        gap: 0.5rem;
    }

    .technology-list li {
        font-size: 0.7rem;
    }
}

/* Hide the date separator in the desktop timeline */

@media (min-width: 56.0625rem) {
    .experience-date > span[aria-hidden="true"] {
        display: none;
    }
}

/* Shared content section introduction */

.projects-section,
.education-section,
.skills-section,
.credentials-section,
.contact-section {
    padding: clamp(3.5rem, 7vw, 7rem) clamp(0rem, 2vw, 2rem);
    border-top: 1px solid var(--color-border-muted);
    font-family: var(--font-mono);
}

.section-intro,
.section-command {
    margin-top: clamp(2rem, 4vw, 3rem);
}

.section-intro > p:last-child {
    max-width: 60rem;
    margin-top: 0.85rem;
    color: var(--color-muted);
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    line-height: 1.6;
}

/* Education section */

.education-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    margin-top: clamp(2.5rem, 5vw, 4rem);
}

.education-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: 1.25rem;
    min-width: 0;
    padding: clamp(1.5rem, 3vw, 2.25rem);
    border: 1px solid var(--color-border-muted);
    border-radius: 0.5rem;
    background: var(--color-surface);
    transition:
            border-color var(--transition-speed) ease,
            transform var(--transition-speed) ease;
}

.education-card:hover {
    border-color: var(--color-green);
    transform: translateY(-0.125rem);
}

.education-mark {
    display: grid;
    width: 3.75rem;
    height: 3.75rem;
    place-items: center;
    border: 1px solid var(--color-green);
    color: var(--color-green);
    font-size: 0.9rem;
}

.education-details time {
    display: block;
    margin-bottom: 0.6rem;
    color: var(--color-cyan);
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.education-details h3 {
    color: var(--color-text);
    font-size: clamp(1.05rem, 1.8vw, 1.3rem);
    line-height: 1.4;
}

.education-details p {
    margin-top: 0.45rem;
    color: var(--color-muted);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    line-height: 1.5;
}

@media (max-width: 70rem) {
    .education-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .education-card:last-child:nth-child(odd) {
        grid-column: 1 / -1;
    }
}

@media (max-width: 50rem) {
    .education-grid {
        grid-template-columns: 1fr;
    }

    .education-card:last-child:nth-child(odd) {
        grid-column: auto;
    }
}

/* Projects section */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    margin-top: clamp(2.5rem, 5vw, 4rem);
}

.project-card {
    display: flex;
    min-width: 0;
    padding: clamp(1.5rem, 3vw, 2.25rem);
    flex-direction: column;
    border: 1px solid var(--color-border-muted);
    border-radius: 0.5rem;
    background: var(--color-surface);
}

.project-card-live {
    border-color: var(--color-green);
}

.project-card-progress {
    border-color: var(--color-cyan);
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.project-icon {
    display: grid;
    width: 3rem;
    height: 3rem;
    place-items: center;
    border: 1px solid var(--color-border-muted);
    border-radius: 0.25rem;
    color: var(--color-cyan);
    font-size: 1rem;
}

.project-card-live .project-icon {
    color: var(--color-green);
}

.project-status {
    padding: 0.4rem 0.65rem;
    border: 1px solid currentColor;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    line-height: 1;
    text-transform: uppercase;
}

.project-status-live {
    color: var(--color-green);
}

.project-status-live::before {
    margin-right: 0.45rem;
    content: "●";
}

.project-status-progress {
    color: var(--color-cyan);
}

.project-card h3 {
    margin-top: 1.5rem;
    color: var(--color-text);
    font-size: clamp(1.35rem, 2.2vw, 1.85rem);
    line-height: 1.25;
}

.project-description {
    margin-top: 0.75rem;
    color: var(--color-muted);
    font-family: var(--font-sans);
    line-height: 1.65;
}

.architecture-flow,
.project-phase,
.project-roadmap {
    margin-top: 1.5rem;
    padding: 0.85rem 1rem;
    border: 1px solid var(--color-border-muted);
    border-radius: 0.25rem;
    color: var(--color-text);
    font-size: 0.875rem;
    line-height: 1.6;
}

.architecture-flow,
.project-phase {
    color: var(--color-green);
}

.project-card-progress .project-phase {
    color: var(--color-cyan);
}

.architecture-flow span {
    margin: 0 0.35rem;
    color: var(--color-green);
}

.project-card h4 {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.75rem 0 0;
    color: var(--color-green);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.project-card-progress h4 {
    color: var(--color-cyan);
}

.project-card h4::after {
    height: 1px;
    flex: 1;
    background: var(--color-border-muted);
    content: "";
}

.project-points {
    display: grid;
    gap: 0.75rem;
    margin-top: 1rem;
}

.project-points li {
    position: relative;
    padding-left: 1.25rem;
    color: var(--color-muted);
    font-family: var(--font-sans);
    font-size: 0.925rem;
    line-height: 1.6;
}

.project-points li::before {
    position: absolute;
    left: 0;
    color: var(--color-green);
    content: "✓";
}

.project-card-progress .project-points li::before {
    content: "○";
    color: var(--color-cyan);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.project-tags li {
    padding: 0.35rem 0.55rem;
    border: 1px solid var(--color-green);
    border-radius: 0.25rem;
    color: var(--color-green);
    font-size: 0.7rem;
}

.project-card-progress .project-tags li {
    border-color: var(--color-cyan);
    color: var(--color-cyan);
}

.project-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: auto;
    padding-top: 1.75rem;
}

.project-actions a,
.credentials-link,
.contact-actions a {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    min-height: 2.75rem;
    padding: 0.6rem 0.8rem;
    border: 1px solid currentColor;
    color: var(--color-green);
    font-size: 0.8rem;
    transition:
            background-color var(--transition-speed) ease,
            color var(--transition-speed) ease,
            transform var(--transition-speed) ease;
}

.project-card-progress .project-actions a {
    color: var(--color-cyan);
}

.project-actions a:hover,
.credentials-link:hover,
.contact-actions a:hover {
    background: rgb(110 231 106 / 6%);
    transform: translateY(-0.125rem);
}

/* Skills section */

.skills-list {
    margin-top: 1.25rem;
    border: 1px solid var(--color-border-muted);
    border-radius: 0.5rem;
    overflow: hidden;
}

.skills-list > div {
    display: grid;
    grid-template-columns: minmax(10rem, 0.35fr) minmax(0, 1fr);
    border-bottom: 1px solid var(--color-border-muted);
}

.skills-list > div:last-child {
    border-bottom: 0;
}

.skills-list dt,
.skills-list dd {
    padding: 0.8rem 1rem;
}

.skills-list dt {
    border-right: 1px solid var(--color-border-muted);
    color: var(--color-green);
}

.skills-list dd {
    color: var(--color-text);
}

/* Credentials section */

.credentials-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: clamp(2.5rem, 5vw, 4rem);
}

.credential-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 1rem;
    min-height: 8rem;
    padding: 1.25rem;
    border: 1px solid var(--color-border-muted);
    border-radius: 0.5rem;
    background: var(--color-surface);
    transition:
            border-color var(--transition-speed) ease,
            transform var(--transition-speed) ease;
}

.credential-card:hover {
    border-color: var(--color-green);
    transform: translateY(-0.125rem);
}

.credential-mark {
    display: grid;
    width: 3.75rem;
    height: 3.75rem;
    place-items: center;
    border: 1px solid var(--color-cyan);
    color: var(--color-cyan);
    font-size: 0.8rem;
}

.credential-card strong,
.credential-card small {
    display: block;
}

.credential-card strong {
    color: var(--color-text);
    font-size: 1rem;
    line-height: 1.4;
}

.credential-card small {
    margin-top: 0.3rem;
    color: var(--color-muted);
    font-size: 0.8rem;
}

.credential-arrow {
    align-self: start;
    color: var(--color-green);
}

.credentials-link {
    width: fit-content;
    margin: 2rem auto 0;
}

/* Contact and footer */

.contact-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 2rem;
    margin-top: clamp(2rem, 4vw, 3rem);
    padding: clamp(1.5rem, 4vw, 3rem);
    border: 1px solid var(--color-green);
    border-radius: 0.5rem;
    background: var(--color-surface);
}

.contact-panel h3 {
    margin-top: 1.5rem;
    font-family: var(--font-sans);
    font-size: clamp(2rem, 4vw, 3.5rem);
    letter-spacing: -0.035em;
    line-height: 1.1;
}

.contact-panel > div:first-child > p:last-child {
    max-width: 42rem;
    margin-top: 0.75rem;
    color: var(--color-muted);
    font-family: var(--font-sans);
    line-height: 1.6;
}

.contact-actions {
    display: grid;
    gap: 0.75rem;
    min-width: 15rem;
}

.contact-actions a:last-child {
    color: var(--color-cyan);
}

.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    width: min(100%, var(--page-width));
    margin: 0 auto;
    padding: 1.5rem var(--page-gutter);
    border-top: 1px solid var(--color-border-muted);
    color: var(--color-muted);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.site-footer a {
    color: var(--color-cyan);
}

/* Responsive sections */

@media (max-width: 70rem) {
    .projects-grid,
    .credentials-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 56rem) {
    .contact-panel {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .contact-actions {
        width: 100%;
        min-width: 0;
    }
}

@media (max-width: 40rem) {
    .projects-section,
    .education-section,
    .skills-section,
    .credentials-section,
    .contact-section {
        padding-right: 0;
        padding-left: 0;
    }

    .project-card,
    .contact-panel {
        padding: 1.25rem;
    }

    .architecture-flow {
        display: grid;
        gap: 0.3rem;
    }

    .architecture-flow span {
        margin: 0;
    }

    .project-actions,
    .project-actions a,
    .credentials-link {
        width: 100%;
    }

    .skills-list > div {
        grid-template-columns: 1fr;
    }

    .skills-list dt {
        padding-bottom: 0.25rem;
        border-right: 0;
    }

    .skills-list dd {
        padding-top: 0.25rem;
    }

    .credential-card {
        grid-template-columns: auto minmax(0, 1fr) auto;
        min-height: 7rem;
        padding: 1rem;
    }

    .credential-mark {
        width: 3rem;
        height: 3rem;
    }

    .education-card {
        padding: 1.25rem;
    }

    .education-mark {
        width: 3rem;
        height: 3rem;
    }

    .contact-actions a {
        width: 100%;
    }

    .site-footer {
        flex-direction: column;
        gap: 0.75rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .project-actions a:hover,
    .credentials-link:hover,
    .contact-actions a:hover,
    .credential-card:hover,
    .education-card:hover {
        transform: none;
    }
}