@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Literata:opsz,wght@18..144,400;18..144,500;18..144,600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
    --bg: #0A0E1F;
    --bg-panel: #12172E;
    --bg-panel-2: #171D3B;
    --text: #EAEDF7;
    --text-muted: #8D94B8;
    --accent-kick: #FF6B4D;
    --accent-hot: #6FD8FF;
    --accent-gold: #F4C77B;
    --line: rgba(234, 237, 247, 0.12);
    --line-strong: rgba(234, 237, 247, 0.22);
    --radius: 14px;
    --maxw: 1120px;
    /* pastel level badges */
    --lvl-honours-bg: #BCEAB4;
    --lvl-honours-fg: #173B16;
    --lvl-masters-bg: #F5E39E;
    --lvl-masters-fg: #4A3A06;
    --lvl-phd-bg: #F4BBB2;
    --lvl-phd-fg: #5A180F;
    --lvl-summer-bg: #AEE9EC;
    --lvl-summer-fg: #0C3A3C;
    --lvl-funded-bg: #D6C6F5;
    --lvl-funded-fg: #3A2060;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Literata', Georgia, serif;
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
.disp {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin: 0;
}

.mono {
    font-family: 'IBM Plex Mono', monospace;
}

a {
    color: inherit;
}

.wrap {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 32px;
    position: relative;
    z-index: 1;
}

.stars {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image:
        radial-gradient(1.5px 1.5px at 20% 30%, rgba(234, 237, 247, 0.55), transparent),
        radial-gradient(1.5px 1.5px at 65% 15%, rgba(234, 237, 247, 0.4), transparent),
        radial-gradient(1px 1px at 82% 55%, rgba(234, 237, 247, 0.5), transparent),
        radial-gradient(1.5px 1.5px at 10% 70%, rgba(234, 237, 247, 0.35), transparent),
        radial-gradient(1px 1px at 45% 82%, rgba(234, 237, 247, 0.45), transparent),
        radial-gradient(1.5px 1.5px at 92% 78%, rgba(234, 237, 247, 0.3), transparent),
        radial-gradient(1px 1px at 35% 45%, rgba(234, 237, 247, 0.3), transparent);
    background-repeat: no-repeat;
    opacity: 0.7;
}

/* header — matches the rest of the site */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(10, 14, 31, 0.78);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}

.navwrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 32px;
    max-width: var(--maxw);
    margin: 0 auto;
}

.brand {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 17px;
    text-decoration: none;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-kick);
    box-shadow: 0 0 10px var(--accent-kick);
}

.back-link {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px;
    color: var(--text-muted);
    text-decoration: none;
    border: 1px solid var(--line-strong);
    padding: 9px 16px;
    border-radius: 999px;
    transition: border-color .2s ease, color .2s ease;
}

.back-link:hover,
.back-link:focus-visible {
    border-color: var(--accent-hot);
    color: var(--accent-hot);
}

/* hero */
.page-hero {
    padding: 72px 0 48px;
}

.eyebrow {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-hot);
    margin: 0 0 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.eyebrow::before {
    content: "";
    width: 22px;
    height: 1px;
    background: var(--accent-hot);
    display: inline-block;
}

.page-hero h1 {
    font-size: clamp(36px, 5.2vw, 54px);
    line-height: 1.03;
}

.page-hero .lede {
    color: var(--text-muted);
    max-width: 640px;
    margin-top: 16px;
    font-size: 17.5px;
}

/* legend / filters */
.legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 34px;
}

.filter-pill {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13px;
    border: 1px solid var(--line-strong);
    background: transparent;
    color: var(--text);
    border-radius: 999px;
    padding: 9px 16px 9px 12px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.filter-pill:hover {
    transform: translateY(-1px);
}

.filter-pill .swatch {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    display: inline-block;
}

.filter-pill[data-level="honours"] .swatch {
    background: var(--lvl-honours-bg);
}

.filter-pill[data-level="masters"] .swatch {
    background: var(--lvl-masters-bg);
}

.filter-pill[data-level="phd"] .swatch {
    background: var(--lvl-phd-bg);
}

.filter-pill[data-level="summer"] .swatch {
    background: var(--lvl-summer-bg);
}

.filter-pill.active {
    border-color: var(--accent-hot);
    background: rgba(111, 216, 255, 0.08);
    color: var(--accent-hot);
}

.filter-pill[data-level="all"].active {
    border-color: var(--accent-kick);
    background: rgba(255, 107, 77, 0.08);
    color: var(--accent-kick);
}

.filter-pill[data-level="all"] .swatch {
    display: none;
}

/* projects grid */
.section {
    padding: 56px 0 96px;
}

.proj-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-top: 8px;
}

.proj-card {
    background: var(--bg-panel);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 26px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: border-color .2s ease, transform .2s ease;
}

.proj-card:hover {
    border-color: var(--line-strong);
    transform: translateY(-3px);
}

.badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.level-badge {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11.5px;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    border-radius: 999px;
    padding: 6px 13px;
    display: inline-block;
}

.badge-honours {
    background: var(--lvl-honours-bg);
    color: var(--lvl-honours-fg);
}

.badge-masters {
    background: var(--lvl-masters-bg);
    color: var(--lvl-masters-fg);
}

.badge-phd {
    background: var(--lvl-phd-bg);
    color: var(--lvl-phd-fg);
}

.badge-summer {
    background: var(--lvl-summer-bg);
    color: var(--lvl-summer-fg);
}

.badge-funded {
    background: var(--lvl-funded-bg);
    color: var(--lvl-funded-fg);
}

.proj-card h3 {
    font-size: 19.5px;
    line-height: 1.25;
}

.proj-card .desc {
    color: var(--text-muted);
    font-size: 15.5px;
    margin: 0;
    line-height: 1.6;
}

.char-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin: 4px 0 -2px;
}

.char-row {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.char-tag {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    color: var(--text-muted);
    border: 1px solid var(--line);
    border-radius: 7px;
    padding: 5px 9px;
}

.proj-card.hidden {
    display: none;
}

.empty-state {
    display: none;
    text-align: center;
    padding: 60px 0;
    color: var(--text-muted);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 14px;
}

.empty-state.show {
    display: block;
}

.loading-note {
    text-align: center;
    padding: 60px 0;
    color: var(--text-muted);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 14px;
}

.loading-note.hidden {
    display: none;
}

/* contact callout */
.callout {
    margin-top: 56px;
    border: 1px solid var(--line-strong);
    border-radius: 20px;
    padding: 40px;
    background: radial-gradient(120% 160% at 0% 0%, rgba(255, 107, 77, 0.14), transparent 55%), var(--bg-panel);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.callout h3 {
    font-size: 22px;
    max-width: 480px;
}

.callout p {
    color: var(--text-muted);
    margin-top: 8px;
    max-width: 480px;
    font-size: 15.5px;
}

.btn {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 13.5px;
    letter-spacing: 0.02em;
    padding: 13px 22px;
    border-radius: 999px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: transform .2s ease;
    background: var(--accent-kick);
    color: #170A05;
    font-weight: 500;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
}

footer {
    border-top: 1px solid var(--line);
    padding: 32px 0;
    position: relative;
    z-index: 1;
}

.foot-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 32px;
}

.foot-row p {
    margin: 0;
    color: var(--text-muted);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12.5px;
}

@media (max-width:920px) {
    .proj-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width:640px) {
    .navwrap {
        padding: 16px 20px;
    }

    .wrap,
    .foot-row {
        padding: 0 20px;
    }

    .page-hero {
        padding: 48px 0 36px;
    }

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

    .callout {
        padding: 28px;
    }
}

:focus-visible {
    outline: 2px solid var(--accent-hot);
    outline-offset: 2px;
}