/* Liquid glass layout and type.
   With WebGL available (html.lg-on), the glass itself is drawn by liquid-glass.js
   under each .glass element, so the elements stay transparent here. Without it, the
   same elements fall back to CSS backdrop-filter glass. */
:root {
    --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
    --card-radius: 24px;
    --card-pad-y: 22px;
    --card-pad-x: 24px;
    --stack-width: clamp(340px, 33vw, 452px);
}

/* Sized to the large viewport so Safari's collapsing toolbar never resizes the canvas. */
#canvas-container { height: 100vh; background: #000; }
#canvas-container canvas { pointer-events: none; }

/* ── Glass surface ───────────────────────────────────────────── */
.glass {
    position: relative;
    border-radius: var(--card-radius);
    background: rgba(12, 14, 18, 0.58);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), 0 22px 44px -20px rgba(0, 0, 0, 0.7);
}

html.lg-on .glass {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-color: transparent;
    box-shadow: none;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.card { padding: var(--card-pad-y) var(--card-pad-x); }

/* ── Layout ──────────────────────────────────────────────────── */
#scroll-sections .vh-section {
    display: flex;
    align-items: center;
    padding: 18vh 7vw;
}
/* svh keeps the hero card above Safari's bottom toolbar; the canvas stays at 100vh. */
#scroll-sections #sec-hero { padding: 0; min-height: 100vh; min-height: 100svh; }
#scroll-sections .vh-pinned { align-items: flex-start; }

.stack {
    display: flex;
    flex-direction: column;
    gap: 14px;
    width: var(--stack-width);
    text-align: left;
}
.stack-left { margin-right: auto; }
.stack-right { margin-left: auto; }
.stack .sec-body { display: flex; flex-direction: column; gap: 14px; }
.stack .exp-list, .stack .proj-list { gap: 14px; }

/* ── Type ────────────────────────────────────────────────────── */
.sec-label.glass {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 6px;
    padding: 9px 16px;
    border-radius: 999px;
    font: 500 11px/1.2 var(--mono);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--heading);
}
.sec-index { color: var(--reading-accent); }

.card-kicker {
    display: block;
    margin: 0 0 10px;
    font: 500 10.5px/1.3 var(--mono);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--reading-accent);
}

.stack .sec-body p.card,
.stack .achievement-list,
.stack .proj-stack,
.stack .exp-item p {
    font: 400 14.5px/1.62 'Inter', system-ui, sans-serif;
    color: var(--reading-text);
    max-width: none;
    margin: 0;
}

.stack .exp-header, .stack .project-heading { gap: 6px; margin-bottom: 8px; }
.stack .exp-role { font: 600 15px/1.45 'Inter', system-ui, sans-serif; color: var(--heading); }
.stack .proj-name { font: 600 16px/1.4 'Inter', system-ui, sans-serif; color: var(--heading); }
.stack .proj-item { gap: 8px; }
.stack .exp-date,
.stack .item-location,
.stack .exp-item .item-location,
.stack .edu-meta {
    font: 400 10.5px/1.5 var(--mono);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--reading-muted);
}
.stack .item-location { margin: 0 0 4px; }
.stack .achievement-list { margin: 10px 0 12px; padding-left: 16px; font-size: 14px; }
.stack .achievement-list li + li { margin-top: 8px; }

.stack .skill-tags-row { gap: 6px; margin-top: 12px; justify-content: flex-start; }
.stack .skill-tag {
    font: 400 10px/1.5 var(--mono);
    letter-spacing: 0.02em;
    text-transform: none;
    padding: 3px 9px;
    color: #dcc596;
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(199, 161, 92, 0.26);
    border-radius: 999px;
}

.stack .earlier-details { margin-top: 12px; }
.stack .earlier-details summary { font: 400 11px/1.5 var(--mono); letter-spacing: 0.06em; }
.stack .earlier-details p { margin-top: 6px; font-size: 13.5px; }

.stack .rec-list { display: flex; flex-direction: column; gap: 0; font-size: 14.5px; }
.stack .rec-list li { padding: 12px 0; border-bottom: 1px solid var(--reading-border); }
.stack .rec-list li:first-child { padding-top: 0; }
.stack .rec-list li:last-child { padding-bottom: 0; border-bottom: 0; }

.stack .edu-school { font: 600 16px/1.45 'Inter', system-ui, sans-serif; }
.stack .edu-meta { margin-top: 8px; font-size: 11px; color: var(--reading-text); }
.stack .technical-skills { margin: 0; padding-top: var(--card-pad-y); border-top: 0; }
.stack .technical-skills dl { gap: 12px; }
.stack .technical-skills dl > div { grid-template-columns: 112px 1fr; gap: 12px; }
.stack .technical-skills dt {
    font: 500 10.5px/1.75 var(--mono);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--reading-accent);
}
.stack .technical-skills dd { font-size: 14px; line-height: 1.6; }

/* ── Hero ────────────────────────────────────────────────────── */
.hero-intro.glass {
    position: absolute;
    left: 7vw;
    bottom: 12vh;
    width: min(420px, 86vw);
    max-width: none;
    padding: 26px 28px 24px;
}
.hero-intro .eyebrow { font: 500 11px/1.3 var(--mono); letter-spacing: 0.16em; }
.hero-intro h1 { margin: 12px 0 10px; font: 400 clamp(30px, 2.8vw, 42px)/1.12 'Libre Baskerville', Georgia, serif; letter-spacing: -0.01em; }
.hero-intro > p:not(.eyebrow) { font-size: 15px; line-height: 1.6; max-width: 32ch; }
.hero-intro .hero-cta { margin-top: 18px; font: 500 12px/1.3 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }

/* ── Phones ──────────────────────────────────────────────────── */
@media (max-width: 768px) {
    :root { --card-radius: 22px; --card-pad-y: 18px; --card-pad-x: 18px; }

    /* Iron Man is framed in the top of the screen; each section's cards start in the
       lower half and scroll up through him. The gaps between sections leave him clear. */
    #scroll-sections .vh-section {
        display: block;
        padding: 58vh 16px 16vh;
    }
    #scroll-sections #sec-hero { padding: 0; }
    .stack { width: 100%; margin: 0; gap: 12px; }
    .stack .sec-body, .stack .exp-list, .stack .proj-list { gap: 12px; }

    .stack .sec-body p.card,
    .stack .exp-item p,
    .stack .proj-stack { font-size: 14px; line-height: 1.6; }
    .stack .achievement-list { font-size: 13.5px; }
    .stack .exp-role { font-size: 14.5px; }
    .stack .proj-name { font-size: 15px; }
    .stack .technical-skills dl > div { grid-template-columns: 1fr; gap: 2px; }

    .hero-intro.glass {
        left: 16px;
        right: 16px;
        bottom: calc(18px + env(safe-area-inset-bottom));
        width: auto;
        padding: 20px 20px 18px;
    }
    .hero-intro h1 { font-size: 28px; }
    .hero-intro > p:not(.eyebrow) { font-size: 14px; }
}

/* ── Menu (compact navigation drawer) ────────────────────────── */
/* While the menu is open the page fades away and holds still, the scene dims, and
   the menu is the only glass on screen (see the overlay layer in liquid-glass.js). */
#scroll-sections, #scroll-tracker { transition: opacity 240ms ease; }
html.menu-open #scroll-sections,
html.menu-open #scroll-tracker { opacity: 0; pointer-events: none; }

@media (max-width: 1100px) {
    .nav-enhanced .nav-toggle.glass {
        min-width: 0;
        min-height: 40px;
        gap: 10px;
        padding: 0 16px;
        border-radius: 999px;
        font: 500 11px/1 var(--mono);
        letter-spacing: 0.14em;
        text-transform: uppercase;
        color: var(--heading);
    }

    .nav-enhanced #nav-menu.glass {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        top: calc(100% + 8px);
        left: 12px;
        right: 12px;
        max-height: calc(100dvh - 88px);
        padding: 8px 22px 22px;
        border-radius: 30px;
        background: rgba(12, 14, 18, 0.62);
        border: 1px solid rgba(255, 255, 255, 0.12);
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), 0 30px 60px -24px rgba(0, 0, 0, 0.8);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px) scale(0.98);
        transform-origin: top right;
        transition: opacity 240ms ease, transform 320ms cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0s linear 240ms;
    }
    html.lg-on.nav-enhanced #nav-menu.glass { background: transparent; border-color: transparent; box-shadow: none; }
    .nav-enhanced #navbar[data-menu-open="true"] #nav-menu.glass {
        opacity: 1;
        visibility: visible;
        transform: none;
        transition: opacity 240ms ease, transform 320ms cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0s;
    }

    .nav-enhanced #nav-menu.glass .nav-section-link {
        align-items: baseline;
        gap: 14px;
        padding: 15px 2px;
        font: 500 21px/1.2 'Inter', system-ui, sans-serif;
        letter-spacing: -0.01em;
        color: var(--heading);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .nav-enhanced #nav-menu.glass .nav-index { display: inline; font: 400 10.5px/1 var(--mono); letter-spacing: 0.08em; color: var(--reading-accent); }
    .nav-enhanced #nav-menu.glass .nav-section-link[aria-current="location"] { color: var(--reading-accent); }

    /* Links drift in one after another as the sheet opens. */
    .nav-enhanced #nav-menu.glass .nav-section-link,
    .nav-enhanced #nav-menu.glass .nav-utilities {
        opacity: 0;
        transform: translateY(6px);
        transition: opacity 200ms ease, transform 300ms cubic-bezier(0.2, 0.8, 0.2, 1);
    }
    .nav-enhanced #navbar[data-menu-open="true"] #nav-menu.glass .nav-section-link,
    .nav-enhanced #navbar[data-menu-open="true"] #nav-menu.glass .nav-utilities { opacity: 1; transform: none; }
    .nav-enhanced #navbar[data-menu-open="true"] .nav-section-link:nth-child(1) { transition-delay: 40ms; }
    .nav-enhanced #navbar[data-menu-open="true"] .nav-section-link:nth-child(2) { transition-delay: 70ms; }
    .nav-enhanced #navbar[data-menu-open="true"] .nav-section-link:nth-child(3) { transition-delay: 100ms; }
    .nav-enhanced #navbar[data-menu-open="true"] .nav-section-link:nth-child(4) { transition-delay: 130ms; }
    .nav-enhanced #navbar[data-menu-open="true"] .nav-section-link:nth-child(5) { transition-delay: 160ms; }
    .nav-enhanced #navbar[data-menu-open="true"] #nav-menu.glass .nav-utilities { transition-delay: 190ms; }

    .nav-enhanced #nav-menu.glass .nav-utilities { gap: 10px; padding-top: 20px; }
    .nav-enhanced #nav-menu.glass .nav-socials { gap: 8px; margin: 0 0 6px; }
    .nav-enhanced #nav-menu.glass .nav-link {
        min-width: 42px;
        min-height: 42px;
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-radius: 999px;
        color: var(--reading-text);
    }
    .nav-enhanced #nav-menu.glass .nav-resume,
    .nav-enhanced #nav-menu.glass .nav-contact {
        flex: 1;
        min-height: 44px;
        border-radius: 999px;
        background: transparent;
        font: 500 11px/1 var(--mono);
        letter-spacing: 0.12em;
        text-transform: uppercase;
    }
    .nav-enhanced #nav-menu.glass .nav-resume { border-color: rgba(255, 255, 255, 0.18); }
    .nav-enhanced #nav-menu.glass .nav-contact { border-color: rgba(199, 161, 92, 0.55); }
}

/* ── Section tracker: an instrument scale ─────────────────────────────────────
   A hairline rail with one tick per section. A gold bead slides along it with the
   scroll, filling the rail behind it; the current section's name sits beside its
   tick. Hovering the scale on desktop shows every name. */
#scroll-tracker {
    position: fixed;
    right: 28px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 20;
    display: grid;
    justify-items: end;
}
#scroll-tracker .track-rail {
    position: absolute;
    right: 0;
    top: 16px;
    bottom: 16px;
    width: 1px;
    background: rgba(255, 255, 255, 0.12);
}
#scroll-tracker .track-fill {
    width: 100%;
    height: 100%;
    transform: scaleY(0);
    transform-origin: top;
    background: linear-gradient(to bottom, rgba(199, 161, 92, 0.35), rgba(199, 161, 92, 0.85));
}
#scroll-tracker .track-marker {
    position: absolute;
    top: -3.5px;
    left: -3px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--reading-accent);
    box-shadow: 0 0 0 3px rgba(199, 161, 92, 0.16), 0 0 12px rgba(199, 161, 92, 0.45);
    will-change: transform;
}
.track-dot {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    height: 32px;
    padding: 0;
    border: 0;
    background: none;
    color: inherit;
    cursor: pointer;
}
.track-dot::after {
    content: "";
    width: 7px;
    height: 1px;
    background: rgba(255, 255, 255, 0.32);
    transition: width 320ms ease, background-color 320ms ease;
}
.track-label {
    display: flex;
    gap: 8px;
    font: 500 10px/1 var(--mono);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    white-space: nowrap;
    color: rgba(236, 232, 225, 0.62);
    opacity: 0;
    transform: translateX(6px);
    transition: opacity 320ms ease, transform 320ms ease, color 320ms ease;
}
.track-num { color: var(--reading-accent); opacity: 0.8; }
.track-dot.active::after { width: 16px; background: var(--reading-accent); }
.track-dot.active .track-label { opacity: 1; transform: none; color: var(--heading, #f2efe9); }
#scroll-tracker:hover .track-label,
#scroll-tracker:focus-within .track-label { opacity: 1; transform: none; }
.track-dot:hover::after { width: 12px; background: rgba(199, 161, 92, 0.8); }
.track-dot:hover .track-label { color: var(--heading, #f2efe9); }

/* Phones: a slim scale in the right-hand gutter, ticks only. It shows where you are;
   the menu handles navigation, so it ignores taps meant for scrolling. */
@media (max-width: 768px) {
    #scroll-tracker { right: 5px; pointer-events: none; }
    #scroll-tracker .track-rail { top: 11px; bottom: 11px; }
    .track-dot { height: 22px; gap: 0; }
    .track-dot::after { width: 4px; }
    .track-dot.active::after { width: 8px; }
    .track-label { display: none; }
    #scroll-tracker .track-marker { width: 5px; height: 5px; top: -2.5px; left: -2px; }
}

@media (prefers-reduced-motion: reduce) {
    #scroll-sections, #scroll-tracker,
    .nav-enhanced #nav-menu.glass,
    .nav-enhanced #nav-menu.glass .nav-section-link,
    .nav-enhanced #nav-menu.glass .nav-utilities,
    .track-dot::after, .track-label { transition: none; }
}