/* ─── Design tokens ─── */
:root {
    --retro-bg:     #080c0c;
    --retro-panel:  #0e1414;
    --retro-border: rgba(34,211,238,.12);
    --retro-cyan:   #22d3ee;
    --retro-pink:   #f472b6;
    --font-display: 'Space Grotesk', system-ui, sans-serif;
    --font-mono:    'JetBrains Mono', ui-monospace, monospace;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    background-color: var(--retro-bg);
    color: #d4d4d8;
    font-family: var(--font-display);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }

/* ─── CRT scanlines overlay ─── */
.scanlines {
    pointer-events: none;
    background-image: repeating-linear-gradient(
        to bottom,
        transparent 0px,
        transparent 2px,
        rgba(0,0,0,.18) 2px,
        rgba(0,0,0,.18) 4px
    );
}

/* ─── Retro glow helpers ─── */
.crt-glow      { text-shadow: 0 0 18px color-mix(in srgb, var(--retro-cyan) 70%, transparent); }
.crt-glow-pink { text-shadow: 0 0 18px color-mix(in srgb, var(--retro-pink) 70%, transparent); }

/* ─── Grid floor ─── */
.grid-floor {
    background-image:
        linear-gradient(var(--retro-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--retro-border) 1px, transparent 1px);
    background-size: 48px 48px;
}

/* ─── Nav ─── */
.site-nav {
    position: fixed;
    top: 0;
    z-index: 40;
    width: 100%;
    border-bottom: 1px solid var(--retro-border);
    background: color-mix(in srgb, var(--retro-bg) 80%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.site-nav__inner {
    max-width: 80rem;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
    padding: 0 1.5rem;
}
.site-nav__brand {
    display: flex;
    align-items: center;
    gap: .75rem;
    font-family: var(--font-mono);
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: -.05em;
    color: var(--retro-cyan);
}
.site-nav__dot {
    width: .75rem;
    height: .75rem;
    border-radius: 50%;
    background: var(--retro-cyan);
    box-shadow: 0 0 12px var(--retro-cyan);
    animation: pulse 2s cubic-bezier(.4,0,.6,1) infinite;
}
.site-nav__links {
    display: none;
    gap: 2rem;
    list-style: none;
    font-family: var(--font-mono);
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .1em;
}
.site-nav__links a { transition: color .15s; }
.site-nav__links a:hover { color: var(--retro-cyan); }
.site-nav__links a.pink:hover { color: var(--retro-pink); }
@media (min-width: 768px) { .site-nav__links { display: flex; } }

/* ─── Hero ─── */
.hero {
    position: relative;
    overflow: hidden;
    padding: 10rem 1.5rem 8rem;
}
.hero__floor {
    pointer-events: none;
    position: absolute;
    inset: 0;
    perspective: 600px;
}
.hero__floor-grid {
    position: absolute;
    inset: 0;
    transform: rotateX(60deg);
    transform-origin: bottom;
    opacity: .35;
}
.hero__floor-fade {
    position: absolute;
    inset-inline: 0;
    bottom: 0;
    height: 50%;
    background: linear-gradient(to top, var(--retro-bg) 0%, color-mix(in srgb, var(--retro-bg) 80%, transparent) 60%, transparent 100%);
}
.hero__radial {
    pointer-events: none;
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 30%, rgba(34,211,238,.10), transparent 60%);
}
.hero__inner {
    position: relative;
    max-width: 80rem;
    margin: 0 auto;
}
.hero__badge {
    display: inline-block;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(34,211,238,.3);
    background: rgba(34,211,238,.05);
    border-radius: .25rem;
    padding: .25rem .75rem;
    font-family: var(--font-mono);
    font-size: .625rem;
    text-transform: uppercase;
    letter-spacing: .2em;
    color: var(--retro-cyan);
}
.hero__heading {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 700;
    line-height: .9;
    color: #fff;
    margin-bottom: 2rem;
}
.hero__heading .gradient {
    background: linear-gradient(90deg, var(--retro-cyan), var(--retro-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero__sub {
    max-width: 36rem;
    font-size: 1.125rem;
    font-weight: 300;
    color: #71717a;
    margin-bottom: 3rem;
    line-height: 1.625;
}
.hero__cards {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}
.hero__card {
    border: 1px solid var(--retro-border);
    background: var(--retro-panel);
    border-radius: .75rem;
    padding: 1.5rem;
    transition: border-color .15s, box-shadow .15s;
    cursor: pointer;
}
.hero__card--cyan:hover {
    border-color: var(--retro-cyan);
    box-shadow: 0 0 30px -10px var(--retro-cyan);
}
.hero__card--pink:hover {
    border-color: var(--retro-pink);
    box-shadow: 0 0 30px -10px var(--retro-pink);
}
.hero__card-icon {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border: 2px solid currentColor;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: .875rem;
}
.hero__card--cyan .hero__card-icon { color: var(--retro-cyan); }
.hero__card--pink .hero__card-icon { color: var(--retro-pink); }
.hero__card h3 { font-weight: 700; color: #fff; margin-bottom: .25rem; }
.hero__card p {
    font-family: var(--font-mono);
    font-size: .75rem;
    text-transform: uppercase;
    color: #71717a;
}
.hero__scroll-hint {
    pointer-events: none;
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}
.hero__scroll-hint span {
    display: block;
    font-family: var(--font-mono);
    font-size: .625rem;
    text-transform: uppercase;
    letter-spacing: .3em;
    color: #52525b;
}
.hero__scroll-hint::after {
    content: '';
    display: block;
    width: 1px;
    height: 2.5rem;
    margin: .5rem auto 0;
    background: linear-gradient(to bottom, color-mix(in srgb, var(--retro-cyan) 60%, transparent), transparent);
}

/* ─── Ticker ─── */
.ticker {
    position: relative;
    overflow: hidden;
    border-top: 1px solid var(--retro-border);
    border-bottom: 1px solid var(--retro-border);
    background: color-mix(in srgb, var(--retro-panel) 40%, transparent);
    padding: 1.5rem 0;
}
.ticker__track {
    display: flex;
    gap: 3rem;
    white-space: nowrap;
    font-family: var(--font-mono);
    font-size: .875rem;
    text-transform: uppercase;
    letter-spacing: .3em;
    color: #71717a;
    animation: ticker-scroll 28s linear infinite;
}
.ticker__dot {
    display: inline-block;
    width: .25rem;
    height: .25rem;
    border-radius: 50%;
    background: color-mix(in srgb, var(--retro-cyan) 60%, transparent);
    vertical-align: middle;
    margin-left: 3rem;
}

/* ─── Projects ─── */
.projects {
    max-width: 80rem;
    margin: 0 auto;
    padding: 8rem 1.5rem;
}
.projects__header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 4rem;
}
.projects__header-label {
    font-family: var(--font-mono);
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: var(--retro-cyan);
    margin-bottom: .75rem;
}
.projects__header h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: #fff;
}
.projects__index {
    display: none;
    font-family: var(--font-mono);
    font-size: .625rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: #3f3f46;
}
@media (min-width: 768px) { .projects__index { display: block; } }

.project-card {
    position: sticky;
    display: grid;
    gap: 2rem;
    border: 1px solid var(--retro-border);
    background: var(--retro-panel);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,.5);
    margin-bottom: 2rem;
}
@media (min-width: 768px) {
    .project-card { grid-template-columns: 1fr 1fr; gap: 3rem; padding: 2rem; }
}
.project-card__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.5rem;
}
@media (min-width: 768px) {
    .project-card__content.order-2 { order: 2; }
}
.project-card__label {
    font-family: var(--font-mono);
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .1em;
}
.project-card__label--cyan { color: var(--retro-cyan); }
.project-card__label--pink { color: var(--retro-pink); }
.project-card h3 {
    font-size: clamp(1.75rem, 3.5vw, 2.25rem);
    font-weight: 700;
    color: #fff;
}
.project-card p { color: #a1a1aa; line-height: 1.625; }
.project-card__tags {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: .5rem;
    font-family: var(--font-mono);
    font-size: .75rem;
    text-transform: uppercase;
    color: #71717a;
}
.project-card__tags li { display: flex; align-items: center; gap: .75rem; }
.tag-dot {
    width: .375rem;
    height: .375rem;
    flex-shrink: 0;
}
.tag-dot--cyan { background: var(--retro-cyan); }
.tag-dot--pink { background: var(--retro-pink); }
.project-card__btn {
    display: inline-block;
    cursor: pointer;
    border: 1px solid;
    padding: .75rem 1.5rem;
    font-family: var(--font-mono);
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    background: transparent;
    transition: background .15s;
}
.project-card__btn--cyan {
    border-color: rgba(34,211,238,.5);
    color: var(--retro-cyan);
}
.project-card__btn--cyan:hover { background: rgba(34,211,238,.10); }
.project-card__btn--pink {
    border-color: rgba(244,114,182,.5);
    color: var(--retro-pink);
}
.project-card__btn--pink:hover { background: rgba(244,114,182,.10); }

.project-card__image-wrap {
    position: relative;
    overflow: hidden;
    border-radius: .5rem;
    border: 1px solid rgba(255,255,255,.05);
    background: #18181b;
}
.project-card__image-wrap img {
    aspect-ratio: 4/3;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.project-card__image-wrap .scanlines {
    position: absolute;
    inset: 0;
    opacity: .2;
}
.project-card__filename {
    position: absolute;
    bottom: .75rem;
    left: .75rem;
    font-family: var(--font-mono);
    font-size: .625rem;
    text-transform: uppercase;
    letter-spacing: .2em;
    color: rgba(161,161,170,.8);
}

/* ─── About / Lab log ─── */
.about {
    max-width: 64rem;
    margin: 0 auto;
    padding: 8rem 1.5rem;
}
.about__card {
    border: 1px solid var(--retro-border);
    background: color-mix(in srgb, var(--retro-panel) 60%, transparent);
    border-radius: 1rem;
    padding: 2rem;
}
@media (min-width: 768px) { .about__card { padding: 3rem; } }
.about__label {
    font-family: var(--font-mono);
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .3em;
    color: var(--retro-pink);
    margin-bottom: 1.5rem;
}
.about__text {
    max-width: 48rem;
    font-size: clamp(1.25rem, 2.5vw, 1.875rem);
    line-height: 1.625;
    color: #e4e4e7;
}
.about__text .cyan { color: var(--retro-cyan); }
.about__text .pink { color: var(--retro-pink); }
.about__stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    border-top: 1px solid var(--retro-border);
    margin-top: 3rem;
    padding-top: 2rem;
}
@media (min-width: 768px) { .about__stats { grid-template-columns: repeat(4, 1fr); } }
.about__stat-label {
    font-family: var(--font-mono);
    font-size: .625rem;
    text-transform: uppercase;
    letter-spacing: .2em;
    color: #3f3f46;
}
.about__stat-value {
    margin-top: .5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
}

/* ─── Footer ─── */
.site-footer {
    border-top: 1px solid var(--retro-border);
    background: var(--retro-bg);
    padding: 5rem 0 0;
}
.site-footer__inner {
    max-width: 80rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 3rem;
    padding: 0 1.5rem;
}
@media (min-width: 768px) {
    .site-footer__inner { flex-direction: row; justify-content: space-between; align-items: flex-start; }
}
.site-footer__brand { font-size: 1.5rem; font-weight: 700; color: #fff; letter-spacing: -.05em; }
.site-footer__tagline {
    max-width: 24rem;
    font-size: .875rem;
    line-height: 1.625;
    color: #71717a;
    margin-top: 1rem;
}
.site-footer__cols { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4rem; }
.site-footer__col-label {
    font-family: var(--font-mono);
    font-size: .625rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: #3f3f46;
    margin-bottom: .75rem;
}
.site-footer__col p, .site-footer__col a { font-size: .875rem; color: #d4d4d8; text-transform: uppercase; letter-spacing: -.05em; }
.site-footer__col a { font-family: var(--font-mono); color: var(--retro-cyan); }
.site-footer__col a:hover { text-decoration: underline; }
.site-footer__bottom {
    max-width: 80rem;
    margin: 5rem auto 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--retro-border);
    padding: 2rem 1.5rem;
    font-family: var(--font-mono);
    font-size: .625rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: #3f3f46;
}

/* ─── Global scanlines overlay ─── */
.global-scanlines {
    pointer-events: none;
    position: fixed;
    inset: 0;
    z-index: 50;
    opacity: .15;
}

/* ─── Animations ─── */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: .4; }
}
@keyframes ticker-scroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* ─── Nutrition Control tool ─── */
.nutrition-page { min-height: 100vh; position: relative; }
.nutrition-main {
    max-width: 56rem;
    margin: 0 auto;
    padding: 6rem 1.5rem 4rem;
}
.nutrition-header { margin-bottom: 2rem; }
.nutrition-kicker {
    font-family: var(--font-mono);
    font-size: .6875rem;
    text-transform: uppercase;
    letter-spacing: .15em;
    color: var(--retro-pink);
    margin-bottom: .5rem;
}
.nutrition-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--retro-cyan);
    margin-bottom: .5rem;
}
.nutrition-subtitle { color: #71717a; font-size: .9375rem; }

.nutrition-tabs {
    display: flex;
    gap: .5rem;
    border-bottom: 1px solid var(--retro-border);
    margin-bottom: 1.5rem;
}
.nutrition-tab {
    font-family: var(--font-mono);
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    padding: .75rem 1.25rem;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: #71717a;
    cursor: pointer;
    transition: color .15s, border-color .15s;
}
.nutrition-tab:hover { color: #d4d4d8; }
.nutrition-tab--active {
    color: var(--retro-cyan);
    border-bottom-color: var(--retro-cyan);
}

.nutrition-panel { display: none; }
.nutrition-panel--active { display: block; }

.nutrition-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    margin-bottom: 1.25rem;
}

.retro-btn {
    font-family: var(--font-mono);
    font-size: .6875rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    padding: .5rem 1rem;
    border: 1px solid var(--retro-border);
    background: var(--retro-panel);
    color: #d4d4d8;
    cursor: pointer;
    transition: border-color .15s, color .15s;
}
.retro-btn:hover { border-color: var(--retro-cyan); color: var(--retro-cyan); }
.retro-btn--cyan { border-color: color-mix(in srgb, var(--retro-cyan) 40%, transparent); color: var(--retro-cyan); }
.retro-btn--pink { border-color: color-mix(in srgb, var(--retro-pink) 40%, transparent); color: var(--retro-pink); }
.retro-btn--sm { padding: .25rem .5rem; font-size: .625rem; }
.retro-btn--danger:hover { border-color: #f87171; color: #f87171; }

.nutrition-status {
    padding: .75rem 1rem;
    margin-bottom: 1rem;
    font-family: var(--font-mono);
    font-size: .75rem;
    border: 1px solid var(--retro-border);
    background: var(--retro-panel);
}
.nutrition-status--ok { border-color: color-mix(in srgb, var(--retro-cyan) 40%, transparent); color: var(--retro-cyan); }
.nutrition-status--error { border-color: color-mix(in srgb, #f87171 40%, transparent); color: #f87171; }

.nutrition-list { display: flex; flex-direction: column; gap: .75rem; }
.nutrition-list--compact { margin-bottom: 1rem; }
.nutrition-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .75rem 1rem;
    border: 1px solid var(--retro-border);
    background: var(--retro-panel);
    font-size: .875rem;
}

.nutrition-card {
    padding: 1rem 1.25rem;
    border: 1px solid var(--retro-border);
    background: var(--retro-panel);
}
.nutrition-card__check {
    font-family: var(--font-mono);
    font-size: .625rem;
    text-transform: uppercase;
    color: #71717a;
    display: block;
    margin-bottom: .5rem;
}
.nutrition-card__title { font-size: 1.125rem; color: #fafafa; margin-bottom: .25rem; }
.nutrition-card__notes, .nutrition-card__meta { font-size: .8125rem; color: #71717a; margin-bottom: .5rem; }
.nutrition-card__actions { display: flex; gap: .5rem; margin-top: .75rem; }

.nutrition-editor {
    margin-top: 1.5rem;
    padding: 1.25rem;
    border: 1px solid var(--retro-border);
    background: color-mix(in srgb, var(--retro-panel) 90%, var(--retro-cyan) 5%);
}
.nutrition-editor__title { font-size: 1rem; color: var(--retro-cyan); margin-bottom: 1rem; }
.nutrition-section-title { font-size: .875rem; color: var(--retro-pink); margin: 1.25rem 0 .75rem; }

.nutrition-form { display: flex; flex-direction: column; gap: .75rem; }
.nutrition-form--inline {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 1rem;
}
.nutrition-label {
    display: flex;
    flex-direction: column;
    gap: .35rem;
    font-family: var(--font-mono);
    font-size: .6875rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: #71717a;
}
.nutrition-input {
    font-family: var(--font-display);
    font-size: .875rem;
    padding: .5rem .75rem;
    border: 1px solid var(--retro-border);
    background: var(--retro-bg);
    color: #d4d4d8;
}
.nutrition-input:focus {
    outline: none;
    border-color: var(--retro-cyan);
}
.nutrition-input--sm { width: 5rem; }
.nutrition-textarea { resize: vertical; min-height: 3rem; }
.nutrition-form__actions { display: flex; gap: .5rem; margin-top: .5rem; }

.nutrition-checklist { list-style: none; display: flex; flex-direction: column; gap: .5rem; }
.nutrition-checklist__item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .75rem 1rem;
    border: 1px solid var(--retro-border);
    background: var(--retro-panel);
}
.nutrition-checklist__item--checked { opacity: .55; text-decoration: line-through; }
.nutrition-checklist__item label { flex: 1; cursor: pointer; font-size: .875rem; }

.nutrition-empty {
    font-family: var(--font-mono);
    font-size: .8125rem;
    color: #52525b;
    padding: 2rem;
    text-align: center;
    border: 1px dashed var(--retro-border);
}

.site-nav__link--active { color: var(--retro-cyan); }
.fixed { position: fixed; }
.inset-0 { inset: 0; }
.z-50 { z-index: 50; }