/* ================================================================
   Design tokens
   ================================================================ */
:root {
    --bg: #f6f4ef;
    --bg-alt: #eeeae1;
    --surface: #ffffff;
    --surface-2: #f0ece4;
    --border: #ded9cd;
    --text: #1b2333;
    --text-dim: #59606f;
    --text-faint: #6b7280;
    --accent: #0f766e;
    --accent-2: #6d28d9;
    --accent-3: #2563eb;
    --mono: 'JetBrains Mono', 'Courier New', monospace;
    --sans: 'Space Grotesk', 'Segoe UI', sans-serif;
    --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
    --maxw: 1120px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1,
h2,
h3 {
    font-family: var(--sans);
    font-weight: 600;
    margin: 0;
}

.hero h1,
.section-head h2 {
    font-family: var(--serif);
    font-weight: 500;
    letter-spacing: -0.01em;
}

p {
    margin: 0 0 1em;
    color: var(--text-dim);
}

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

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.card:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

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

::selection {
    background: var(--accent);
    color: #ffffff;
}

/* ================================================================
   Background canvas + grain
   ================================================================ */
#net-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    opacity: 0.5;
}

.grain {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background-image: radial-gradient(circle at 1px 1px, rgba(0, 0, 0, 0.025) 1px, transparent 0);
    background-size: 3px 3px;
}

/* ----------------------------------------------------------------
   Trading floor clocks — a faint column in the right-hand gutter,
   falling back to a fixed bottom bar when the gutter disappears.
   ---------------------------------------------------------------- */
.mkt-clocks {
    position: fixed;
    top: 50%;
    right: 26px;
    transform: translateY(-50%);
    z-index: 1;
    pointer-events: none;
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 22px;
    font-family: var(--mono);
    opacity: 0.55;
    user-select: none;
}

.mkt {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: baseline;
    gap: 2px 10px;
    width: 190px;
}

.mkt-city {
    font-size: 0.62rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-faint);
}

.mkt-city .code {
    display: none;
}

.mkt-zone {
    font-size: 0.58rem;
    letter-spacing: 0.06em;
    color: var(--text-faint);
    opacity: 0.7;
    text-align: right;
}

.mkt-time {
    grid-column: 1 / -1;
    font-size: 1.35rem;
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: 0.02em;
    color: var(--text-dim);
    font-variant-numeric: tabular-nums;
}

.mkt-time .sec {
    font-size: 0.78em;
    opacity: 0.55;
}

.mkt-bar {
    grid-column: 1 / -1;
    height: 2px;
    margin: 5px 0 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}

.mkt-bar i {
    display: block;
    height: 100%;
    width: 0;
    background: var(--text-faint);
    transition: width 0.6s linear;
}

.mkt-state {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.57rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    white-space: nowrap;
    color: var(--text-faint);
}

.mkt-state::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: currentColor;
    flex: none;
}

.mkt.is-open .mkt-time,
.mkt.is-open .mkt-state {
    color: var(--accent);
}

.mkt.is-open .mkt-bar i {
    background: var(--accent);
}

.mkt.is-open .mkt-state::before {
    animation: mkt-pulse 2.4s ease-in-out infinite;
}

.mkt.is-break .mkt-time,
.mkt.is-break .mkt-state {
    color: var(--accent-2);
}

.mkt.is-break .mkt-bar i {
    background: var(--accent-2);
}

@keyframes mkt-pulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(15, 118, 110, 0.35);
    }

    50% {
        box-shadow: 0 0 0 4px rgba(15, 118, 110, 0);
    }
}

/* The gutter narrows: compact the column and fade it further. */
@media (max-width: 1560px) {
    .mkt-clocks {
        right: 12px;
        gap: 16px;
        opacity: 0.34;
    }

    .mkt {
        width: 158px;
    }

    .mkt-time {
        font-size: 1.05rem;
    }

    .mkt-state {
        font-size: 0.5rem;
    }
}

/* No gutter left: dock the whole thing as a fixed bar along the bottom. */
@media (max-width: 1240px) {
    .mkt-clocks {
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        transform: none;
        flex-direction: row;
        justify-content: space-around;
        align-items: center;
        gap: 0;
        padding: 7px 14px;
        opacity: 1;
        background: rgba(255, 255, 255, 0.86);
        backdrop-filter: blur(10px);
        border-top: 1px solid var(--border);
        z-index: 40;
    }

    .mkt {
        display: flex;
        align-items: baseline;
        gap: 8px;
        width: auto;
    }

    .mkt-city {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 0.58rem;
    }

    .mkt-city::before {
        content: '';
        width: 5px;
        height: 5px;
        border-radius: 50%;
        background: var(--border);
        flex: none;
    }

    .mkt.is-open .mkt-city::before {
        background: var(--accent);
        animation: mkt-pulse 2.4s ease-in-out infinite;
    }

    .mkt.is-break .mkt-city::before {
        background: var(--accent-2);
    }

    .mkt.is-open .mkt-city,
    .mkt.is-break .mkt-city {
        color: var(--text-dim);
    }

    .mkt-zone,
    .mkt-bar,
    .mkt-state {
        display: none;
    }

    .mkt-time {
        font-size: 0.82rem;
    }

    /* keep the bar clear of the page's own bottom edge */
    footer {
        padding-bottom: 46px;
    }
}

/* The sidebar is still on screen between 981px and 1240px: clear it. */
@media (min-width: 981px) and (max-width: 1240px) {
    .mkt-clocks {
        left: 300px;
    }
}

/* Phone widths: city codes instead of names. */
@media (max-width: 620px) {
    .mkt-clocks {
        padding: 6px 8px;
    }

    .mkt-city .full {
        display: none;
    }

    .mkt-city .code {
        display: inline;
    }

    .mkt {
        gap: 6px;
    }

    .mkt-time {
        font-size: 0.76rem;
    }
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--accent), var(--accent-3));
    z-index: 100;
    transition: width 0.1s linear;
}

.content,
.sidebar,
footer {
    position: relative;
    z-index: 2;
}

.accent {
    background: linear-gradient(90deg, var(--accent), var(--accent-3));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ================================================================
   Sidebar layout
   ================================================================ */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 300px;
    height: 100vh;
    z-index: 50;
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(12px);
    border-right: 1px solid var(--border);
    overflow-y: auto;
}

.sidebar-inner {
    display: flex;
    flex-direction: column;
    padding: 44px 34px;
    min-height: 100%;
}

.sidebar-brand {
    align-self: flex-start;
}

.sidebar-photo {
    display: block;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 10px 28px rgba(27, 35, 51, 0.12);
    transition: transform 0.3s ease;
}

.sidebar-brand:hover .sidebar-photo {
    transform: scale(1.04);
}

.sidebar-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 30%;
    display: block;
}

.sidebar-name {
    font-family: var(--serif);
    font-weight: 500;
    font-size: 1.75rem;
    line-height: 1.1;
    margin-top: 22px;
}

.sidebar-role {
    margin: 10px 0 2px;
    color: var(--text);
    font-size: 0.98rem;
}

.sidebar-loc {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--text-dim);
    margin: 0;
}

.sidebar-weather {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--text-faint);
    margin: 4px 0 0;
    min-height: 1em;
}

.sidebar-nav {
    margin-top: 38px;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.sidebar-nav a {
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0 10px 14px;
    border-left: 2px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.sidebar-nav a .idx {
    color: var(--text-faint);
    font-size: 0.72rem;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    color: var(--accent);
    border-color: var(--accent);
}

.sidebar-nav a.active .idx {
    color: var(--accent);
}

.sidebar-social {
    margin-top: auto;
    padding-top: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.sidebar-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-faint);
    background: var(--surface);
    transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.sidebar-social svg {
    width: 17px;
    height: 17px;
    fill: currentColor;
}

.sidebar-social a:hover {
    color: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
}

.content {
    margin-left: 300px;
}

/* mobile menu toggle */
.menu-toggle {
    display: none;
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 60;
    flex-direction: column;
    gap: 5px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: 11px;
    cursor: pointer;
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--text);
    display: block;
}

/* ================================================================
   Intro band
   ================================================================ */
.intro {
    min-height: 86vh;
    display: flex;
    align-items: center;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 120px 24px 60px;
}

.intro-inner {
    max-width: 640px;
}

.intro-kicker {
    font-family: var(--mono);
    color: var(--accent);
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    margin-bottom: 22px;
}

.intro-head {
    font-family: var(--serif);
    font-weight: 500;
    font-size: clamp(2.3rem, 5vw, 3.9rem);
    line-height: 1.08;
    letter-spacing: -0.01em;
    margin-bottom: 34px;
}

.intro .cta-row {
    justify-content: flex-start;
}

.intro-availability {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--text-dim);
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: 999px;
    padding: 6px 14px;
    margin: 0 0 28px;
}

.intro-availability .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.2);
}

/* ---------------- market clocks ---------------- */
.market-clocks {
    display: flex;
    margin-top: 40px;
    max-width: 540px;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    background: var(--surface);
    box-shadow: 0 10px 28px rgba(27, 35, 51, 0.06);
}

.clock {
    flex: 1;
    padding: 12px 8px;
    text-align: center;
    border-right: 1px solid var(--border);
    position: relative;
}

.clock:last-child {
    border-right: none;
}

.clock-city {
    display: block;
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: 5px;
}

.clock-time {
    font-family: var(--mono);
    font-size: 0.95rem;
    color: var(--text);
    font-variant-numeric: tabular-nums;
}

.clock::after {
    content: '';
    position: absolute;
    top: 8px;
    right: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-faint);
    opacity: 0.35;
}

.clock.is-open::after {
    background: #15803d;
    opacity: 1;
    box-shadow: 0 0 0 3px rgba(21, 128, 61, 0.15);
}

@media (max-width: 520px) {
    .clock-city {
        font-size: 0.55rem;
    }

    .clock-time {
        font-size: 0.82rem;
    }
}

.cta-row {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    font-family: var(--mono);
    font-size: 0.88rem;
    padding: 13px 26px;
    border-radius: 4px;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
    font-weight: 700;
}

.btn-primary:hover {
    background: #0b5f57;
    transform: translateY(-2px);
}

.btn-ghost {
    border-color: var(--border);
    color: var(--text);
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

/* ================================================================
   Ticker
   ================================================================ */
.ticker {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    overflow: hidden;
    white-space: nowrap;
    padding: 14px 0;
}

.ticker-track {
    display: inline-flex;
    gap: 18px;
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--text-faint);
    letter-spacing: 0.06em;
    animation: ticker 32s linear infinite;
}

.tick-item {
    font-weight: 600;
    color: var(--accent);
}

.tick-item.alt {
    color: var(--accent-2);
}

.tick {
    font-weight: 600;
    color: var(--text-dim);
}

.tick.up {
    color: #15803d;
}

.tick.down {
    color: #dc2626;
}

.tick-sep {
    color: var(--text-faint);
}

@keyframes ticker {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* ================================================================
   Sections
   ================================================================ */
.section {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 110px 24px;
}

.section-alt {
    background: var(--bg-alt);
    max-width: none;
}

.section-alt>* {
    max-width: var(--maxw);
    margin-left: auto;
    margin-right: auto;
}

.section-head {
    margin-bottom: 56px;
}

.tag {
    font-family: var(--mono);
    font-size: 0.82rem;
    color: var(--accent);
    display: block;
    margin-bottom: 14px;
}

.section-head h2 {
    font-size: clamp(1.6rem, 4vw, 2.3rem);
    letter-spacing: -0.01em;
}

.section-sub {
    margin-top: 14px;
    max-width: 620px;
    color: var(--text-dim);
}

/* ---------------- about ---------------- */
.about-route {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    max-width: 640px;
    margin: 0 0 40px;
    color: var(--accent);
}

.route-stop {
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.route-frame {
    display: block;
    width: 120px;
    height: 90px;
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    background: var(--surface);
    box-shadow: 0 8px 24px rgba(27, 35, 51, 0.1);
}

.route-frame img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-route-city {
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--text-dim);
    white-space: nowrap;
}

.about-route-line {
    flex: 1;
    height: 16px;
    margin-top: 37px;
}

@media (max-width: 620px) {
    .route-frame {
        width: 84px;
        height: 64px;
    }

    .about-route-line {
        margin-top: 24px;
    }
}

.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 0.9fr;
    gap: 60px;
    align-items: start;
}

.about-text {
    max-width: 720px;
}

.about-text p {
    font-size: 1.02rem;
}

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

/* ---------------- experience trajectory ---------------- */
.trajectory {
    margin: 4px 0 60px;
}

.trajectory-chart {
    width: 100%;
    height: auto;
    overflow: visible;
}

.traj-line {
    stroke: var(--accent);
    stroke-width: 2.5;
    stroke-linecap: round;
}

.traj-axis {
    stroke: var(--border);
    stroke-width: 1;
    stroke-dasharray: 4 6;
}

.traj-tile {
    fill: #fff;
    stroke: var(--border);
    stroke-width: 1;
}

.traj-tile-current {
    stroke: var(--accent);
    stroke-width: 2;
}

.traj-org {
    fill: var(--text);
    font-family: var(--sans);
    font-size: 13px;
    font-weight: 600;
    text-anchor: middle;
}

.traj-year {
    fill: var(--text-faint);
    font-family: var(--mono);
    font-size: 11px;
    text-anchor: middle;
}

.traj-axis-label {
    fill: var(--text-faint);
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-anchor: middle;
}

/* ---------------- gold chart ---------------- */
.gold-chart {
    margin: 6px 0 60px;
}

.gold-svg {
    width: 100%;
    height: auto;
    overflow: visible;
}

.gold-line {
    stroke: #bd8b1c;
    stroke-width: 2.5;
    stroke-linejoin: round;
    stroke-linecap: round;
}

.gold-grid {
    stroke: var(--border);
    stroke-width: 1;
    stroke-dasharray: 3 6;
}

.gold-price,
.gold-year {
    fill: var(--text-faint);
    font-family: var(--mono);
    font-size: 11px;
}

.gold-axis-title {
    fill: var(--text-faint);
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.gold-stem {
    stroke: var(--border);
    stroke-width: 1;
}

.gold-dot {
    fill: #bd8b1c;
    stroke: #fff;
    stroke-width: 1.5;
}

.gold-tile {
    fill: #fff;
    stroke: var(--border);
    stroke-width: 1;
}

.gold-tile-current {
    stroke: #bd8b1c;
    stroke-width: 2;
}

.gold-ms-label {
    fill: var(--text);
    font-family: var(--sans);
    font-size: 12px;
    font-weight: 600;
    text-anchor: middle;
}

/* ---------------- journey map ---------------- */
.journey-map {
    margin-top: 56px;
}

.journey-svg {
    width: 100%;
    height: auto;
    overflow: visible;
}

.journey-path {
    stroke: var(--accent);
    stroke-width: 2;
    stroke-dasharray: 5 7;
    opacity: 0.7;
}

.journey-pin {
    fill: var(--accent);
    stroke: var(--bg);
    stroke-width: 2;
}

.journey-pin-current {
    fill: var(--accent-2);
}

.journey-city {
    fill: var(--text);
    font-family: var(--serif);
    font-size: 18px;
    text-anchor: middle;
}

.journey-note {
    fill: var(--text-faint);
    font-family: var(--mono);
    font-size: 11px;
    text-anchor: middle;
}

/* ---------------- stats strip ---------------- */
.stats-strip {
    margin-top: 48px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    border-top: 1px solid var(--border);
    padding-top: 34px;
}

.stat {
    text-align: center;
}

.stat-num {
    display: block;
    font-family: var(--serif);
    font-size: 2.6rem;
    color: var(--accent);
    line-height: 1;
}

.stat-label {
    font-family: var(--mono);
    font-size: 0.74rem;
    color: var(--text-dim);
    letter-spacing: 0.04em;
}

/* ---------------- quiz ---------------- */
.quiz {
    max-width: 680px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.quiz-prompt {
    font-weight: 600;
    color: var(--text);
    margin-bottom: 12px;
}

.quiz-opts {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.quiz-opt {
    font-family: var(--sans);
    font-size: 0.9rem;
    padding: 9px 16px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.quiz-opt:hover:not(:disabled) {
    border-color: var(--accent);
    color: var(--accent);
}

.quiz-opt:disabled {
    cursor: default;
    opacity: 0.85;
}

.quiz-opt.correct {
    border-color: #15803d;
    color: #15803d;
    background: rgba(74, 222, 128, 0.08);
}

.quiz-opt.wrong {
    border-color: #dc2626;
    color: #dc2626;
    background: rgba(239, 111, 111, 0.08);
}

.quiz-result {
    font-family: var(--mono);
    color: var(--accent);
    font-size: 1.05rem;
    margin-top: 6px;
}

/* Whatever the score, the quiz ends on an invitation. */
.quiz-cta {
    margin-top: 4px;
}

.quiz-cta-line {
    max-width: 560px;
    margin: 0 0 20px;
    font-size: 0.98rem;
    color: var(--text-dim);
}

.quiz-cta .cta-row {
    justify-content: flex-start;
}

.quiz-cta .btn {
    font-size: 0.82rem;
    padding: 11px 20px;
}

@media (max-width: 760px) {

    .beyond-extras,
    .rotation-grid {
        grid-template-columns: 1fr;
    }

    .stats-strip {
        grid-template-columns: 1fr 1fr;
        gap: 24px 16px;
    }
}

/* ---------------- about photo frames ---------------- */
.about-frames {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: 26px;
    align-items: center;
}

.frame {
    margin: 0;
    width: 210px;
    max-width: 100%;
    background: #f4f1ea;
    padding: 12px 12px 40px;
    border-radius: 3px;
    box-shadow: 0 16px 34px rgba(27, 35, 51, 0.14);
    transform: rotate(var(--tilt, 0deg));
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.frame:hover {
    transform: rotate(0deg) scale(1.04);
    box-shadow: 0 22px 44px rgba(27, 35, 51, 0.18);
}

.frame-photo {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: 2px;
    background:
        linear-gradient(135deg, var(--surface-2), var(--bg-alt));
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.frame-photo::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 40%, rgba(94, 234, 212, 0.14), transparent 60%);
}

.frame-photo::after {
    content: attr(data-city);
    position: relative;
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--text-faint);
    text-transform: uppercase;
}

.frame-photo img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.frame figcaption {
    margin-top: 14px;
    text-align: center;
    color: #23262f;
    font-weight: 600;
    font-size: 1rem;
}

/* ---------------- beyond card photos ---------------- */
.card-photo {
    margin: -32px -32px 20px;
    height: 190px;
    overflow: hidden;
    border-radius: 10px 10px 0 0;
    border-bottom: 1px solid var(--border);
}

.card-photo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card-photo--bottom img {
    object-position: 32% 82%;
}

.card:hover .card-photo img {
    transform: scale(1.05);
}

/* ---------------- research cards ---------------- */
.research-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.card {
    position: relative;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 32px;
    background: var(--surface);
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.card-num {
    font-family: var(--mono);
    color: var(--text-faint);
    font-size: 0.85rem;
}

.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--accent);
    margin-bottom: 16px;
}

.card-icon svg {
    width: 22px;
    height: 22px;
}

.card h3 {
    margin: 10px 0 12px;
    font-size: 1.15rem;
}

.card p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ---------------- timeline ---------------- */
.experience-group {
    margin-bottom: 56px;
}

.experience-group:last-child {
    margin-bottom: 0;
}

.experience-group-title {
    font-family: var(--mono);
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent-2);
    margin: 0 0 28px;
}

.timeline {
    border-left: 1px solid var(--border);
    padding-left: 40px;
    display: flex;
    flex-direction: column;
    gap: 48px;
    list-style: none;
}

.timeline-item {
    position: relative;
}

.timeline-dot {
    position: absolute;
    left: -45px;
    top: 4px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(94, 234, 212, 0.15);
}

.timeline-date {
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--accent-2);
}

.timeline-content h3 {
    margin: 6px 0 4px;
    font-size: 1.15rem;
}

.timeline-org {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-dim);
    font-style: italic;
    margin-bottom: 8px;
}

.org-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    height: 34px;
    padding: 0 9px;
    border-radius: 8px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--logo, var(--accent));
    font-family: var(--mono);
    font-style: normal;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    flex: 0 0 auto;
}

.org-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 34px;
    padding: 4px;
    border-radius: 8px;
    background: #fff;
    border: 1px solid var(--border);
    overflow: hidden;
    flex: 0 0 auto;
}

.org-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
}

.timeline-content p:last-child {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* ---------------- publications ---------------- */
.pub-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 26px;
}

.pub-filter {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: var(--mono);
    font-size: 0.74rem;
    color: var(--text-dim);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 6px 14px;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.pub-filter i {
    font-style: normal;
    font-size: 0.66rem;
    color: var(--text-faint);
}

.pub-filter:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.pub-filter.is-active {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

.pub-filter.is-active i {
    color: rgba(255, 255, 255, 0.75);
}

.pub-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    gap: 22px;
}

.pub.is-hidden {
    display: none;
}

.thesis-callout {
    border: 1px solid var(--accent);
    border-radius: 12px;
    padding: 28px 32px;
    margin-bottom: 32px;
    background: linear-gradient(135deg, rgba(94, 234, 212, 0.07), rgba(96, 165, 250, 0.05));
}

.thesis-body {
    min-width: 0;
}

.thesis-meta {
    margin: 16px 0 0;
}

.thesis-tag {
    font-family: var(--mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
}

.thesis-callout h3 {
    font-size: 1.3rem;
    margin: 8px 0 10px;
}

.thesis-callout p {
    margin: 0;
    font-size: 0.98rem;
}

.projects-cta {
    margin-top: 32px;
    text-align: center;
}

.projects-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
}

.projects-cta .btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.pub {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 24px 26px;
    background: var(--surface);
}

.pub p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

.pub-metric {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 6px;
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--text-faint);
    margin: 14px 0 0;
}

.pub-metric b {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--accent);
}

.pub-metric b.neg {
    color: #b45309;
}

.pub-meta {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-bottom: 12px;
    font-family: var(--mono);
    font-size: 0.75rem;
}

.pub-date {
    color: var(--text-faint);
}

.pub-repo {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--text-faint);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 3px 10px;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.pub-repo:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.pub-repo svg {
    width: 13px;
    height: 13px;
    fill: currentColor;
}

.pub-type {
    color: var(--accent);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 3px 10px;
}

.pub h3 {
    font-size: 1.2rem;
    margin-bottom: 6px;
}

.pub-sub {
    color: var(--accent-2);
    font-size: 0.92rem;
    font-style: italic;
    margin-bottom: 12px;
}

.pub p:last-child {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* ---------------- skills ---------------- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 32px;
}

.skill-group h3 {
    font-size: 1rem;
    color: var(--accent);
    margin-bottom: 16px;
    font-family: var(--mono);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-list li {
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 0.85rem;
    color: var(--text-dim);
    background: var(--surface);
}

/* ---------------- contact ---------------- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.contact-card {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 26px;
    background: var(--surface);
    transition: transform 0.25s ease, border-color 0.25s ease;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.contact-icon {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.contact-icon svg {
    width: 18px;
    height: 18px;
}

.contact-label {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--accent);
}

.contact-value {
    font-size: 0.95rem;
    color: var(--text);
    word-break: break-word;
}

.footer {
    text-align: center;
    padding: 40px 24px 60px;
    color: var(--text-faint);
    font-size: 0.82rem;
    font-family: var(--mono);
}

.to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 40;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, border-color 0.2s ease;
}

.to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.to-top:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ================================================================
   Reveal-on-scroll
   ================================================================ */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ================================================================
   Responsive
   ================================================================ */
@media (max-width: 980px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        width: 280px;
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: 0 0 60px rgba(27, 35, 51, 0.15);
    }

    .content {
        margin-left: 0;
    }

    .menu-toggle {
        display: flex;
    }
}

@media (max-width: 900px) {
    .pub-list {
        grid-template-columns: minmax(0, 1fr);
    }

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

    .about-frames {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

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

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 28px;
    }

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

    .section {
        padding: 84px 20px;
    }
}

@media (max-width: 480px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* ================================================================
   Reduced motion
   ================================================================ */
@media (prefers-reduced-motion: reduce) {

    html,
    * {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .ticker-track {
        animation: none;
    }

    .mkt.is-open .mkt-state::before,
    .mkt.is-open .mkt-city::before {
        animation: none;
    }

    .mkt-bar i {
        transition: none;
    }
}