:root {
    --ink: #121614;
    --ink-soft: #1a211e;
    --paper: #f2f3ec;
    --paper-soft: #e7e9df;
    --white: #ffffff;
    --text: #f4f5ef;
    --muted: #aeb6b0;
    --muted-dark: #626b66;
    --line: rgba(255, 255, 255, 0.12);
    --line-dark: rgba(18, 22, 20, 0.14);
    --lime: #c8d600;
    --lime-bright: #dbe70a;
    --lime-dark: #717a00;
    --blue: #8ca9bd;
    --radius-large: 28px;
    --radius-medium: 18px;
    --shadow: 0 28px 80px rgba(0, 0, 0, 0.24);
    --content-width: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 104px;
    overflow-x: clip;
}

body {
    margin: 0;
    min-width: 320px;
    overflow-x: clip;
    background: var(--ink);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

button,
input {
    font: inherit;
}

button {
    color: inherit;
}

img {
    display: block;
    max-width: 100%;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: fixed;
    top: -80px;
    left: 16px;
    z-index: 100;
    padding: 10px 16px;
    border-radius: 10px;
    background: var(--lime);
    color: var(--ink);
    font-weight: 750;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 16px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    width: 100%;
    min-height: 86px;
    padding: 12px max(24px, calc((100% - var(--content-width)) / 2));
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
    background: rgba(18, 22, 20, 0.91);
    backdrop-filter: blur(18px);
}

.header-identity,
.brand,
.school-lockup,
.main-nav {
    display: flex;
    align-items: center;
}

.header-identity {
    min-width: 0;
    gap: 26px;
}

.brand {
    gap: 12px;
}

.brand-mark {
    display: grid;
    flex: 0 0 42px;
    place-items: center;
    width: 42px;
    height: 42px;
    color: #9ba39e;
}

.brand-mark svg {
    display: block;
    width: 36px;
    height: 36px;
    fill: currentColor;
}

.brand-mark:hover,
.brand-mark:focus-visible {
    color: var(--text);
}

.brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.brand-copy strong {
    font-size: 0.98rem;
    letter-spacing: 0.09em;
}

.brand-copy small {
    margin-top: 5px;
    color: var(--muted);
    font-size: 0.72rem;
}

.school-lockup {
    gap: 12px;
    padding-left: 26px;
    border-left: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.72rem;
    line-height: 1.3;
    transition: color 0.2s ease;
}

.school-lockup img {
    width: 76px;
    height: auto;
    padding: 6px 8px;
    border-radius: 9px;
    background: var(--paper);
}

.school-lockup:hover,
.school-lockup:focus-visible {
    color: var(--text);
}

.main-nav {
    gap: 28px;
}

.main-nav a {
    position: relative;
    padding: 12px 0;
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 700;
    transition: color 0.2s ease;
}

.main-nav a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 5px;
    left: 0;
    height: 2px;
    border-radius: 2px;
    background: var(--lime);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a.is-active {
    color: var(--white);
}

.main-nav a.is-active::after {
    transform: scaleX(1);
}

.main-nav .nav-cta {
    padding: 11px 16px;
    border: 1px solid rgba(200, 214, 0, 0.38);
    border-radius: 12px;
    color: var(--lime-bright);
}

.main-nav .nav-cta::after {
    display: none;
}

.main-nav .nav-cta:hover,
.main-nav .nav-cta.is-active {
    background: var(--lime);
    color: var(--ink);
}

.menu-button {
    display: none;
    width: 46px;
    height: 46px;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
}

.menu-button-lines,
.menu-button-lines::before,
.menu-button-lines::after {
    display: block;
    width: 19px;
    height: 2px;
    margin: auto;
    border-radius: 2px;
    background: var(--text);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-button-lines {
    position: relative;
}

.menu-button-lines::before,
.menu-button-lines::after {
    content: "";
    position: absolute;
    left: 0;
}

.menu-button-lines::before { top: -6px; }
.menu-button-lines::after { top: 6px; }
.menu-button[aria-expanded="true"] .menu-button-lines { background: transparent; }
.menu-button[aria-expanded="true"] .menu-button-lines::before { top: 0; transform: rotate(45deg); }
.menu-button[aria-expanded="true"] .menu-button-lines::after { top: 0; transform: rotate(-45deg); }

.hero,
.section,
.site-footer {
    width: min(calc(100% - 40px), var(--content-width));
    margin-inline: auto;
}

.hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(360px, 0.88fr);
    align-items: center;
    gap: clamp(48px, 7vw, 90px);
    min-height: 690px;
    padding: 92px 0 104px;
}

.hero::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 1px;
    background: var(--line);
}

.hero-glow {
    position: absolute;
    z-index: -1;
    top: 65px;
    left: -18vw;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    background: rgba(200, 214, 0, 0.09);
    filter: blur(100px);
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 20px;
    color: var(--lime-bright);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.eyebrow span {
    width: 26px;
    height: 3px;
    border-radius: 4px;
    background: var(--lime);
}

h1,
h2,
h3,
p {
    overflow-wrap: anywhere;
}

h1 {
    max-width: 760px;
    margin: 0;
    font-size: clamp(3.7rem, 7.3vw, 7.2rem);
    font-weight: 850;
    letter-spacing: -0.065em;
    line-height: 0.88;
}

.hero-title-primary,
.hero-title-secondary {
    display: block;
}

.hero-title-secondary {
    margin-top: 12px;
    color: var(--lime);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 0.84em;
    font-style: italic;
    font-weight: 500;
    letter-spacing: -0.055em;
}

.hero-lead {
    max-width: 650px;
    margin: 34px 0 0;
    color: #c3cac5;
    font-size: 1.05rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    min-height: 50px;
    padding: 12px 19px;
    border: 1px solid var(--line);
    border-radius: 13px;
    font-size: 0.9rem;
    font-weight: 800;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.button-primary {
    border-color: var(--lime);
    background: var(--lime);
    color: var(--ink);
}

.button-primary:hover,
.button-primary:focus-visible {
    background: var(--lime-bright);
}

.button-secondary:hover,
.button-secondary:focus-visible {
    border-color: rgba(255, 255, 255, 0.26);
    background: rgba(255, 255, 255, 0.06);
}

.course-coordinates {
    display: flex;
    flex-wrap: wrap;
    gap: 34px;
    margin: 38px 0 0;
    padding: 0;
}

.course-coordinates div {
    display: grid;
    gap: 2px;
}

.course-coordinates dt {
    color: var(--muted-dark);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.course-coordinates dd {
    margin: 0;
    color: var(--muted);
    font-size: 0.86rem;
    font-weight: 650;
}

.course-coordinates dd a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: inherit;
    text-decoration: underline;
    text-decoration-color: transparent;
    text-underline-offset: 4px;
    transition:
        color 160ms ease,
        text-decoration-color 160ms ease;
}

.course-coordinates dd a::after {
    content: "↗";
    color: var(--lime);
    font-size: 0.72em;
    font-weight: 800;
    transform: translateY(-1px);
    transition: transform 160ms ease;
}

.course-coordinates dd a:hover {
    color: var(--text);
    text-decoration-color: var(--lime);
}

.course-coordinates dd a:hover::after {
    transform: translate(2px, -3px);
}

.hero-panel {
    padding: 26px;
    border: 1px solid var(--line-dark);
    border-radius: var(--radius-large);
    background: var(--paper);
    color: var(--ink);
    box-shadow: var(--shadow);
    transform: rotate(1deg);
}

.panel-topline,
.school-panel,
.panel-stats {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.panel-topline {
    color: var(--muted-dark);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.school-panel {
    gap: 20px;
    margin: 22px 0;
    padding: 17px 18px;
    border-radius: 15px;
    background: var(--white);
}

.school-panel div {
    display: grid;
    gap: 3px;
}

.school-panel span {
    color: var(--muted-dark);
    font-size: 0.7rem;
}

.school-panel strong {
    font-size: 0.9rem;
}

.school-panel img {
    width: 74px;
}

.code-window {
    overflow: hidden;
    border-radius: 16px;
    background: #171d1a;
    color: #dfe5df;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.window-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: #929c96;
    font-size: 0.7rem;
}

.window-bar i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #667069;
}

.window-bar i:first-child {
    background: var(--lime);
}

.window-bar span {
    margin-left: 5px;
}

.code-window pre {
    margin: 0;
    padding: 20px;
    overflow: auto;
    font-family: "Cascadia Code", Consolas, monospace;
    font-size: 0.75rem;
    line-height: 1.75;
}

.code-muted { color: #768079; }
.code-blue { color: #91bfd0; }
.code-cyan { color: #b9d8ca; }
.code-green { color: #d4df70; }
.code-purple { color: #d2b8dc; }
.code-yellow { color: #e3cc88; }

.panel-stats {
    gap: 10px;
    margin-top: 22px;
}

.panel-stats div {
    display: grid;
    flex: 1;
    gap: 2px;
}

.panel-stats strong {
    font-size: 1.06rem;
}

.panel-stats span {
    color: var(--muted-dark);
    font-size: 0.64rem;
}

.section {
    padding: 110px 0;
    scroll-margin-top: 82px;
}

.section-heading {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
    align-items: end;
    gap: 50px;
    margin-bottom: 44px;
}

.section-heading h2 {
    max-width: 760px;
    margin: 0;
    font-size: clamp(2.3rem, 5vw, 4.7rem);
    letter-spacing: -0.055em;
    line-height: 1;
}

.section-heading > p {
    margin: 0;
    color: var(--muted);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.project-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 430px;
    overflow: hidden;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius-large);
    background: var(--ink-soft);
    transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.project-card::before {
    content: "";
    position: absolute;
    top: 0;
    right: 28px;
    left: 28px;
    height: 4px;
    border-radius: 0 0 5px 5px;
    background: var(--blue);
    opacity: 0.72;
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.24);
    background: #1d2521;
}

.card-number {
    align-self: flex-end;
    color: rgba(255, 255, 255, 0.1);
    font-family: Georgia, serif;
    font-size: 4.4rem;
    font-style: italic;
    line-height: 1;
}

.card-content {
    margin-top: 10px;
}

.card-label {
    color: var(--lime-bright);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.card-content h3 {
    margin: 12px 0 14px;
    font-size: 1.55rem;
    letter-spacing: -0.025em;
}

.card-content p {
    margin: 0;
    color: var(--muted);
    font-size: 0.93rem;
}

.course-card {
    --course-accent: var(--blue);
}

.course-card::before {
    background: var(--course-accent);
}

.course-card-html {
    --course-accent: #e98a5f;
}

.course-card-css {
    --course-accent: #65a9d8;
}

.course-card-js {
    --course-accent: #e2c84f;
}

.course-card .card-label,
.course-card .card-link span {
    color: var(--course-accent);
}

.card-status {
    display: inline-flex;
    align-items: baseline;
    gap: 7px;
    margin-top: 24px;
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.card-status strong {
    color: var(--text);
    font-size: 1.25rem;
    letter-spacing: -0.03em;
}

.card-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-top: auto;
    padding-top: 24px;
    border-top: 1px solid var(--line);
    font-size: 0.86rem;
    font-weight: 800;
}

.card-link span {
    color: var(--lime);
    font-size: 1.1rem;
    transition: transform 0.2s ease;
}

.card-link-muted {
    color: var(--muted-dark);
    font-weight: 650;
}

.card-link:hover span,
.card-link:focus-visible span {
    transform: translateY(3px);
}

.page-library {
    width: min(calc(100% - 40px), calc(var(--content-width) + 70px));
    padding: 74px 36px;
    border-radius: 34px;
    background: var(--paper);
    color: var(--ink);
}

.page-library .eyebrow {
    color: var(--lime-dark);
}

.library-heading {
    align-items: center;
}

.search-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    padding: 12px 14px;
    border: 1px solid var(--line-dark);
    border-radius: 14px;
    background: var(--white);
}

.search-wrap > span {
    color: var(--muted-dark);
}

.search-wrap input {
    width: 100%;
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--ink);
}

.search-wrap kbd {
    flex: 0 0 auto;
    padding: 3px 7px;
    border: 1px solid var(--line-dark);
    border-radius: 6px;
    background: var(--paper-soft);
    color: var(--muted-dark);
    font-size: 0.65rem;
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
}

.filter-button {
    padding: 8px 13px;
    border: 1px solid var(--line-dark);
    border-radius: 999px;
    background: transparent;
    color: var(--muted-dark);
    font-size: 0.77rem;
    font-weight: 750;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.filter-button:hover,
.filter-button:focus-visible,
.filter-button.is-active {
    background: var(--ink);
    color: var(--white);
}

.result-count {
    margin-left: auto;
    color: var(--muted-dark);
    font-size: 0.76rem;
}

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

.page-list.is-folder-view {
    align-items: start;
}

.page-list.is-course-view {
    grid-template-columns: 1fr;
    gap: 14px;
}

.archive-course {
    overflow: hidden;
    border: 1px solid var(--line-dark);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.52);
}

.archive-course > summary {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
    min-height: 96px;
    padding: 18px 20px;
    cursor: pointer;
    list-style: none;
}

.archive-course > summary::-webkit-details-marker {
    display: none;
}

.archive-course > summary:focus-visible {
    outline: 3px solid rgba(113, 122, 0, 0.35);
    outline-offset: -4px;
}

.archive-course-badge {
    display: grid;
    width: 48px;
    height: 48px;
    place-items: center;
    border-radius: 14px;
    background: var(--ink);
    color: var(--lime-bright);
    font-size: 0.9rem;
    font-weight: 850;
}

.archive-course-html .archive-course-badge {
    color: #f4a27d;
}

.archive-course-css .archive-course-badge {
    color: #83bee6;
}

.archive-course-javascript .archive-course-badge {
    color: #f1d75a;
}

.archive-course-copy {
    display: grid;
    min-width: 0;
    gap: 3px;
}

.archive-course-copy strong {
    font-size: 1.02rem;
}

.archive-course-copy small,
.archive-course-count {
    color: var(--muted-dark);
    font-size: 0.72rem;
}

.archive-course-copy small,
.archive-folder-copy small {
    overflow-wrap: anywhere;
}

.archive-course-count {
    padding: 6px 10px;
    border: 1px solid var(--line-dark);
    border-radius: 999px;
    white-space: nowrap;
}

.archive-course-content {
    display: grid;
    gap: 10px;
    padding: 14px;
    border-top: 1px solid var(--line-dark);
    background: rgba(231, 233, 223, 0.55);
}

.course-folder-list,
.nested-folder-list {
    display: grid;
    gap: 9px;
}

.nested-folder-list {
    margin-top: 9px;
    padding-left: 18px;
    border-left: 2px solid rgba(113, 122, 0, 0.18);
}

.archive-folder {
    overflow: hidden;
    border: 1px solid var(--line-dark);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.45);
    transition: border-color 0.2s ease, background 0.2s ease;
}

.archive-folder:hover,
.archive-folder[open] {
    border-color: rgba(28, 36, 32, 0.38);
    background: var(--white);
}

.archive-folder summary {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 14px;
    min-height: 76px;
    padding: 15px 16px;
    cursor: pointer;
    list-style: none;
}

.archive-folder summary::-webkit-details-marker {
    display: none;
}

.archive-folder summary:focus-visible {
    outline: 2px solid var(--lime-dark);
    outline-offset: -3px;
}

.archive-folder-icon {
    position: relative;
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border: 1px solid var(--line-dark);
    border-radius: 11px;
    background: var(--paper-soft);
    color: var(--lime-dark);
    font-size: 1.15rem;
    font-weight: 850;
}

.archive-folder-icon::before {
    content: "";
    width: 17px;
    height: 12px;
    border: 2px solid currentColor;
    border-radius: 3px;
}

.archive-folder-icon::after {
    content: "";
    position: absolute;
    top: 10px;
    left: 10px;
    width: 8px;
    height: 4px;
    border: 2px solid currentColor;
    border-bottom: 0;
    border-radius: 3px 3px 0 0;
    background: var(--paper-soft);
}

.archive-folder-copy {
    display: grid;
    min-width: 0;
    gap: 2px;
}

.archive-folder-copy strong {
    font-size: 0.9rem;
}

.archive-folder-copy small {
    color: var(--muted-dark);
    font-size: 0.68rem;
}

.archive-folder-arrow {
    color: var(--lime-dark);
    font-size: 1.2rem;
    font-weight: 700;
    transition: transform 0.2s ease;
}

.archive-folder[open] .archive-folder-arrow {
    transform: rotate(45deg);
}

.archive-folder-content {
    padding: 12px;
    border-top: 1px solid var(--line-dark);
}

.archive-folder[data-depth="1"] > summary,
.archive-folder[data-depth="2"] > summary,
.archive-folder[data-depth="3"] > summary {
    min-height: 66px;
}

.folder-page-list {
    display: grid;
    gap: 8px;
}

.archive-folder .page-item {
    padding: 13px;
    background: var(--paper-soft);
}

.archive-folder-empty {
    margin: 0;
    padding: 18px 12px;
    color: var(--muted-dark);
    font-size: 0.8rem;
    text-align: center;
}

.page-item {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 15px;
    min-width: 0;
    padding: 16px;
    border: 1px solid var(--line-dark);
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.45);
    transition: transform 0.2s ease, background 0.2s ease;
}

.page-item:hover,
.page-item:focus-visible {
    transform: translateY(-2px);
    background: var(--white);
}

.page-item-index {
    color: var(--lime-dark);
    font-size: 0.7rem;
    font-weight: 850;
}

.page-item > span:nth-child(2) {
    display: grid;
    min-width: 0;
}

.page-item strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.87rem;
}

.page-item small {
    color: var(--muted-dark);
    font-size: 0.68rem;
}

.page-item-arrow {
    color: var(--lime-dark);
    font-size: 1.05rem;
}

.empty-state {
    margin: 30px 0 0;
    padding: 30px;
    border: 1px dashed var(--line-dark);
    border-radius: 15px;
    color: var(--muted-dark);
    text-align: center;
}

.technologies {
    padding-bottom: 130px;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.tech-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
    min-width: 0;
    overflow: hidden;
    padding: 25px;
    border: 1px solid var(--line);
    border-radius: var(--radius-medium);
    background: linear-gradient(135deg, rgba(var(--tech-rgb), 0.09), rgba(255, 255, 255, 0.025) 55%);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.tech-card::before {
    content: "";
    position: absolute;
    top: 0;
    right: 24px;
    left: 24px;
    height: 3px;
    border-radius: 0 0 4px 4px;
    background: var(--tech-color);
}

.tech-card:hover {
    transform: translateY(-4px);
    border-color: rgba(var(--tech-rgb), 0.42);
}

.html-card {
    --tech-color: #e34f26;
    --tech-rgb: 227, 79, 38;
}

.css-card {
    --tech-color: #1572b6;
    --tech-rgb: 21, 114, 182;
}

.js-card {
    --tech-color: #f7df1e;
    --tech-rgb: 247, 223, 30;
}

.tech-icon {
    display: grid;
    flex: 0 0 68px;
    place-items: center;
    width: 68px;
    height: 68px;
    border: 1px solid rgba(var(--tech-rgb), 0.32);
    border-radius: 19px;
    background: rgba(var(--tech-rgb), 0.12);
}

.tech-icon img {
    width: 46px;
    height: 46px;
    object-fit: contain;
}

.tech-card small {
    color: var(--tech-color);
    font-size: 0.66rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tech-card h3 {
    margin: 4px 0 5px;
    font-size: 1.35rem;
}

.tech-card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.8rem;
}

.site-footer {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
    padding: 32px 0 42px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.76rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-brand img {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    object-fit: cover;
}

.footer-brand div {
    display: grid;
}

.footer-brand strong {
    color: var(--text);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.footer-links a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 11px;
    border: 1px solid var(--line);
    border-radius: 10px;
    color: var(--muted);
    font-weight: 700;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.footer-links a:hover,
.footer-links a:focus-visible {
    border-color: rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
}

.footer-links span {
    color: var(--lime);
}

.site-footer > a {
    color: var(--text);
    font-weight: 750;
}

.site-footer > a span {
    margin-left: 5px;
    color: var(--lime);
}

:focus-visible {
    outline: 3px solid var(--lime);
    outline-offset: 4px;
}

@media (max-width: 1040px) {
    .school-lockup {
        display: none;
    }

    .hero {
        grid-template-columns: minmax(0, 1fr) minmax(330px, 0.8fr);
        gap: 42px;
    }
}

@media (max-width: 820px) {
    html {
        scroll-padding-top: 86px;
    }

    .site-header {
        min-height: 74px;
        padding: 10px 20px;
    }

    .brand-mark {
        flex-basis: 40px;
        width: 40px;
        height: 40px;
    }

    .brand-mark svg {
        width: 34px;
        height: 34px;
    }

    .menu-button {
        display: block;
        flex: 0 0 auto;
    }

    .main-nav {
        position: absolute;
        top: calc(100% + 8px);
        right: 16px;
        left: 16px;
        display: grid;
        gap: 4px;
        padding: 10px;
        border: 1px solid var(--line);
        border-radius: 18px;
        background: rgba(24, 31, 27, 0.98);
        box-shadow: var(--shadow);
        visibility: hidden;
        opacity: 0;
        transform: translateY(-8px);
        transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    }

    .main-nav.is-open {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
    }

    .main-nav a,
    .main-nav .nav-cta {
        padding: 12px 14px;
        border: 0;
        border-radius: 11px;
    }

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

    .main-nav a:hover,
    .main-nav a:focus-visible,
    .main-nav a.is-active {
        background: rgba(255, 255, 255, 0.07);
    }

    .main-nav .nav-cta {
        color: var(--lime-bright);
    }

    .main-nav .nav-cta:hover,
    .main-nav .nav-cta.is-active {
        background: var(--lime);
        color: var(--ink);
    }

    .hero {
        grid-template-columns: 1fr;
        min-height: auto;
        padding: 72px 0 84px;
    }

    .hero-panel {
        max-width: 580px;
        transform: none;
    }

    .section {
        padding: 84px 0;
    }

    .section-heading {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .project-grid,
    .tech-grid {
        grid-template-columns: 1fr;
    }

    .project-card {
        min-height: 350px;
    }

    .page-list {
        grid-template-columns: 1fr;
    }

    .site-footer {
        grid-template-columns: 1fr;
        justify-items: start;
    }

    .footer-links {
        justify-content: flex-start;
    }
}

@media (max-width: 560px) {
    .hero,
    .section,
    .site-footer {
        width: min(calc(100% - 28px), var(--content-width));
    }

    .brand-copy small {
        display: none;
    }

    h1 {
        font-size: clamp(3.15rem, 17vw, 4.7rem);
    }

    .hero-glow {
        left: -80px;
        width: 340px;
        height: 340px;
    }

    .hero-lead {
        font-size: 0.96rem;
    }

    .hero-actions,
    .button {
        width: 100%;
    }

    .course-coordinates {
        gap: 18px 24px;
    }

    .hero-panel {
        padding: 18px;
        border-radius: 22px;
    }

    .school-panel {
        align-items: flex-start;
        flex-direction: column;
    }

    .code-window pre {
        padding: 16px;
        font-size: 0.66rem;
    }

    .panel-stats {
        align-items: flex-start;
    }

    .panel-stats strong {
        font-size: 0.92rem;
    }

    .panel-stats span {
        font-size: 0.58rem;
    }

    .project-card {
        min-height: 380px;
        padding: 24px;
    }

    .page-library {
        width: 100%;
        padding: 70px 14px;
        border-radius: 0;
    }

    .library-heading {
        margin-bottom: 30px;
    }

    .search-wrap {
        width: 100%;
    }

    .search-wrap kbd {
        display: none;
    }

    .result-count {
        width: 100%;
        margin: 5px 0 0;
    }

    .page-item {
        padding: 14px 12px;
    }

    .tech-card {
        align-items: flex-start;
    }
}

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

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}