/* Francisco Granda — Log
   Porting the claude.ai/design "Log" direction to vanilla static site. */

:root {
    --paper: oklch(0.95 0.005 230);
    --paper-dim: oklch(0.65 0.02 230);
    --void: oklch(0.06 0.012 260);
    --void-deep: oklch(0.04 0.008 260);
    --line: oklch(1 0 0 / 0.1);
    --hue: 168;
    --accent: oklch(0.85 0.14 var(--hue));
    --accent-dim: oklch(0.7 0.1 var(--hue));
    --accent-glow: oklch(0.85 0.14 var(--hue) / 0.35);
    --mono: "JetBrains Mono", ui-monospace, monospace;
    --serif: "Instrument Serif", serif;
    --sans: "Geist", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--void);
    color: var(--paper);
    font-family: var(--mono);
    font-size: 13px;
    line-height: 1.55;
}

body {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 230px 1fr;
}

a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: var(--void); }
strong { color: var(--paper); font-weight: 500; }

/* Sky (fixed starfield + grid overlay) */
.sky {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}
.sky canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: auto;
}
.grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(oklch(1 0 0 / 0.025) 1px, transparent 1px),
        linear-gradient(90deg, oklch(1 0 0 / 0.025) 1px, transparent 1px);
    background-size: 80px 80px;
    pointer-events: none;
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    transition: opacity 0.3s;
}
.grid.hidden { opacity: 0; }

/* ── Rail ─────────────────────────────────────────────── */
.rail {
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 10;
    padding: 28px 20px;
    border-right: 1px solid var(--line);
    background: oklch(0.06 0.012 260 / 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    gap: 28px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.rail-top { display: flex; align-items: center; gap: 12px; }
.mark {
    width: 38px; height: 38px;
    display: grid; place-items: center;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-weight: 600; font-size: 13px;
    letter-spacing: 0.05em;
    box-shadow: 0 0 16px var(--accent-glow);
}
.mark-sub { font-size: 9px; line-height: 1.4; color: var(--paper-dim); }
.rail-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.rail-nav a {
    display: grid;
    grid-template-columns: 28px 1fr;
    align-items: center;
    padding: 9px 10px;
    border-left: 2px solid transparent;
    font-size: 10px;
    color: var(--paper-dim);
    transition: color 0.25s, border-color 0.25s, background 0.25s;
}
.rail-nav a:hover { color: var(--paper); }
.rail-nav a.active {
    color: var(--accent);
    border-left-color: var(--accent);
    background: oklch(0.85 0.14 var(--hue) / 0.04);
}
.rail-num { color: oklch(0.45 0.01 260); }
.rail-foot {
    border-top: 1px solid var(--line);
    padding-top: 16px;
    display: flex; flex-direction: column; gap: 8px;
    font-size: 9px;
}
.telem {
    display: flex; justify-content: space-between;
    color: var(--paper-dim); gap: 8px;
}
.accent { color: var(--accent); }
.status-open { color: oklch(0.85 0.18 145); }

/* ── Main layout ─────────────────────────────────────── */
.main {
    position: relative;
    z-index: 2;
    min-width: 0;
}
.content-wrap {
    max-width: 1180px;
    margin: 0 auto;
    width: 100%;
}

/* ── Hero ────────────────────────────────────────────── */
.hero {
    min-height: auto;
    padding: 80px 48px 60px;
    display: flex;
    flex-direction: column;
    position: relative;
}
.hero-inner {
    max-width: 1180px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    flex-direction: column;
    will-change: transform, opacity;
}
.hero-head { max-width: 1000px; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.15em;
    color: var(--paper-dim);
    padding: 6px 12px;
    border: 1px solid var(--line);
    margin-bottom: 40px;
}
.pulse {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
    animation: pulseAnim 1.8s ease-in-out infinite;
}
@keyframes pulseAnim {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}
.hero-title {
    font-family: var(--serif);
    font-size: clamp(56px, 8vw, 130px);
    font-weight: 400;
    line-height: 0.95;
    letter-spacing: -0.03em;
    margin: 0 0 28px;
    text-wrap: balance;
    text-transform: none;
}
.accent-italic { color: var(--accent); font-style: italic; }
.italic-nowrap {
    font-style: italic;
    color: var(--accent);
    white-space: nowrap;
}
.hero-lede {
    font-family: var(--sans);
    font-size: 19px;
    line-height: 1.55;
    color: oklch(0.85 0.008 230);
    max-width: 640px;
    margin: 0;
    text-transform: none;
    letter-spacing: 0;
    text-wrap: pretty;
}
.hero-foot {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--line);
    padding-top: 24px;
    /* Fixed gap rather than margin-top:auto — auto against a 100vh floor
       left a large void after the lede on tall screens. */
    margin-top: clamp(64px, 9vh, 112px);
}
.hero-block {
    padding: 4px 20px 4px 0;
    border-right: 1px solid var(--line);
}
.hero-block:last-child { border-right: none; }
.block-label {
    font-size: 10px; letter-spacing: 0.15em;
    color: var(--paper-dim); margin-bottom: 8px;
}
.block-value {
    font-family: var(--serif);
    font-size: 26px;
    letter-spacing: -0.01em;
    margin-bottom: 4px;
    text-transform: none;
}
.block-sub {
    font-size: 10.5px;
    color: var(--paper-dim);
    letter-spacing: 0.05em;
}

/* ── Sections ────────────────────────────────────────── */
.section {
    padding: 120px 48px;
    position: relative;
    border-top: 1px solid var(--line);
}
.section-contact { padding-bottom: 120px; }

.section-head {
    display: flex;
    flex-direction: column;
    gap: 22px;
    margin-bottom: 48px;
}
.section-meta {
    display: flex; align-items: center; gap: 16px;
    font-family: var(--mono);
    font-size: 11px; letter-spacing: 0.15em;
    color: var(--paper-dim);
}
.section-n { color: var(--accent); }
.rule { flex: 1; height: 1px; background: var(--line); }
h2 {
    font-family: var(--serif);
    font-size: clamp(48px, 5.5vw, 88px);
    font-weight: 400;
    letter-spacing: -0.025em;
    line-height: 1;
    margin: 0;
    text-transform: none;
}

/* ── About ───────────────────────────────────────────── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 64px;
}
.lede {
    font-family: var(--serif);
    font-size: 32px;
    line-height: 1.3;
    grid-column: 1 / -1;
    margin: 0;
    color: var(--paper);
    letter-spacing: -0.01em;
    text-wrap: pretty;
}
.body-p {
    font-family: var(--sans);
    font-size: 15.5px;
    line-height: 1.65;
    color: oklch(0.82 0.008 230);
    margin: 0;
    letter-spacing: 0;
}
.skills-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    padding-top: 32px;
    border-top: 1px solid var(--line);
}
.skill-block { display: flex; flex-direction: column; gap: 10px; }
.skill-title {
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    color: var(--accent);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--line);
    transition: color 0.3s;
}
.skill-block ul {
    list-style: none; padding: 0; margin: 0;
    display: flex; flex-direction: column; gap: 4px;
}
.skill-block li {
    font-family: var(--sans);
    font-size: 12.5px;
    color: var(--paper-dim);
    line-height: 1.4;
}

/* ── Log entries (experience & volunteer) ───────────── */
.log-list { display: flex; flex-direction: column; }
.log-entry {
    display: grid;
    grid-template-columns: 140px 1fr 280px;
    gap: 36px;
    padding: 36px 20px;
    border-top: 1px solid var(--line);
    align-items: start;
    margin-left: -20px;
    margin-right: -20px;
    transition: background 0.4s ease;
}
.glow-on .log-entry:hover { background: oklch(1 0 0 / 0.015); }
.log-stamp {
    display: flex; flex-direction: column; gap: 6px;
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
}
.log-tag { color: var(--accent); font-size: 10px; }
.log-title {
    font-family: var(--mono); font-size: 12px; letter-spacing: 0.2em;
    color: var(--paper-dim); margin-bottom: 6px;
}
.log-sub {
    font-family: var(--serif); font-size: 28px; line-height: 1.15;
    letter-spacing: -0.015em; margin-bottom: 4px;
}
.log-org {
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em;
    color: var(--accent); margin-bottom: 16px;
}
.bullet-list {
    list-style: none; padding: 0; margin: 0;
    display: flex; flex-direction: column; gap: 10px;
}
.bullet-list li {
    font-family: var(--sans);
    font-size: 14px; line-height: 1.55;
    color: oklch(0.82 0.008 230);
    letter-spacing: 0;
    max-width: 640px;
}
.log-art {
    aspect-ratio: 4 / 3;
    background: oklch(0.09 0.015 260);
    border: 1px solid var(--line);
    overflow: hidden;
    transition: border-color 0.4s, box-shadow 0.4s;
}
.glow-on .log-entry:hover .log-art {
    border-color: var(--accent);
    box-shadow: 0 0 24px var(--accent-glow);
}
.log-ph {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    color: oklch(0.4 0.01 260);
    font-size: 10px;
    letter-spacing: 0.2em;
    background-image: repeating-linear-gradient(135deg, transparent 0 6px, oklch(1 0 0 / 0.03) 6px 7px);
}
.log-art-img img {
    width: 100%; height: 100%;
    object-fit: contain; padding: 12px;
    filter: invert(0.92) hue-rotate(180deg);
}
/* Logos: same lightness flip, but brand colour is boosted back. A plain
   invert+hue-rotate leaves gold/orange marks muddy against the dark panel. */
.log-art-logo img {
    width: 100%; height: 100%;
    object-fit: contain; padding: 22px;
    filter: invert(1) hue-rotate(180deg) saturate(1.5) brightness(1.45);
}

/* ── Education ───────────────────────────────────────── */
.edu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.edu-card {
    border: 1px solid var(--line);
    padding: 28px;
    background: oklch(0.08 0.015 260 / 0.5);
    display: flex; flex-direction: column; gap: 10px;
    min-height: 200px;
    transition: transform 0.4s cubic-bezier(.2,.8,.2,1), border-color 0.3s, box-shadow 0.3s;
}
.glow-on .edu-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 12px 40px var(--accent-glow);
}
.edu-year {
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.15em;
    color: var(--accent); margin-bottom: 8px;
}
.edu-school {
    font-family: var(--serif); font-size: 26px; line-height: 1.15;
    letter-spacing: -0.01em;
}
.edu-degree {
    font-family: var(--sans); font-size: 13.5px;
    color: var(--paper-dim); letter-spacing: 0;
}

/* ── Quantum ─────────────────────────────────────────── */
.intro-text {
    font-family: var(--sans);
    font-size: 16px; line-height: 1.65;
    color: oklch(0.82 0.008 230);
    max-width: 820px; margin: 0 0 40px;
    letter-spacing: 0;
    text-wrap: pretty;
}
.q-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 64px;
}
.q-card {
    border: 1px solid var(--line);
    padding: 24px;
    background: linear-gradient(180deg, oklch(0.1 0.02 260 / 0.6), oklch(0.07 0.015 260 / 0.6));
    display: flex; flex-direction: column; gap: 10px;
    transition: transform 0.4s cubic-bezier(.2,.8,.2,1), border-color 0.3s, box-shadow 0.3s;
}
.glow-on .q-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 12px 40px var(--accent-glow);
}
.q-kicker {
    font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em;
    color: var(--accent); margin-bottom: 6px;
}
.q-title {
    font-family: var(--serif); font-size: 24px; line-height: 1.2;
    letter-spacing: -0.01em;
}
.q-org {
    font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em;
    color: var(--accent);
}
.q-body {
    font-family: var(--sans); font-size: 13.5px; line-height: 1.6;
    color: oklch(0.78 0.008 230); margin: 0;
    letter-spacing: 0;
}
.subhead {
    font-family: var(--mono);
    font-size: 11px; letter-spacing: 0.2em;
    color: var(--accent); margin: 0 0 20px;
    font-weight: 500;
}
.cert-list { list-style: none; padding: 0; margin: 0; max-width: 820px; }
.cert-li {
    display: flex; justify-content: space-between; gap: 20px;
    padding: 14px 0;
    border-top: 1px solid var(--line);
    font-family: var(--sans); font-size: 14px;
    color: var(--paper-dim);
    letter-spacing: 0;
    transition: background 0.3s, padding 0.3s;
}
.glow-on .cert-li:hover {
    background: oklch(1 0 0 / 0.02);
    padding-left: 12px; padding-right: 12px;
}
.cert-date {
    font-family: var(--mono); font-size: 11px;
    color: var(--accent); letter-spacing: 0.08em;
}

/* ── Life ────────────────────────────────────────────── */
.life-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.life-card {
    border: 1px solid var(--line);
    background: oklch(0.08 0.015 260 / 0.6);
    overflow: hidden;
    display: flex; flex-direction: column;
    transition: transform 0.4s cubic-bezier(.2,.8,.2,1), border-color 0.3s, box-shadow 0.3s;
}
.glow-on .life-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 12px 40px var(--accent-glow);
}
.life-img-wrap {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}
/* Full-width feature card. The ISS frame is panoramic and loses its subject
   when cropped into a half-width 16/9 slot. */
.life-card-wide { grid-column: 1 / -1; }
.life-card-wide .life-img-wrap { aspect-ratio: 21 / 9; }
.life-img {
    width: 100%; height: 100%;
    object-fit: cover; display: block;
    transition: transform 0.8s cubic-bezier(.2,.8,.2,1);
}
.glow-on .life-card:hover .life-img { transform: scale(1.06); }
.life-lbl {
    position: absolute; top: 12px; left: 12px;
    font-family: var(--mono); font-size: 10px; letter-spacing: 0.15em;
    color: var(--accent);
    background: oklch(0 0 0 / 0.6);
    padding: 4px 8px;
    border: 1px solid var(--line);
}
.life-body { padding: 22px 24px; }
.life-title {
    font-family: var(--serif); font-size: 24px; line-height: 1.2;
    letter-spacing: -0.01em; margin-bottom: 10px;
}
.life-text {
    font-family: var(--sans); font-size: 13.5px; line-height: 1.65;
    color: var(--paper-dim); margin: 0;
    letter-spacing: 0;
}

/* ── Contact ─────────────────────────────────────────── */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 900px;
}
.contact-card {
    display: flex; flex-direction: column; gap: 10px;
    padding: 28px;
    border: 1px solid var(--line);
    background: oklch(0.08 0.015 260 / 0.6);
    transition: border-color 0.3s, background 0.3s, transform 0.3s;
}
.glow-on .contact-card:hover {
    border-color: var(--accent);
    background: oklch(0.1 0.03 260 / 0.7);
    transform: translateY(-2px);
}
.card-lbl { font-size: 10px; letter-spacing: 0.15em; color: var(--paper-dim); }
.card-val {
    font-family: var(--serif); font-size: 28px; letter-spacing: -0.01em;
    color: var(--paper);
}
.card-meta { font-size: 10.5px; letter-spacing: 0.05em; color: var(--accent); }

.site-footer {
    margin-top: 80px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
    font-size: 10px; letter-spacing: 0.1em;
    color: var(--paper-dim);
}

/* ── Reveal animations ───────────────────────────────── */
[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 1.1s cubic-bezier(.2,.8,.2,1), transform 1.1s cubic-bezier(.2,.8,.2,1);
}
[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}
.no-scroll-anim [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
}

/* ── Tweaks panel ────────────────────────────────────── */
.tweaks {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 30;
    font-family: var(--mono);
    font-size: 11px;
    color: var(--paper);
}
.tweaks-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: oklch(0.06 0.012 260 / 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--line);
    color: var(--paper-dim);
    letter-spacing: 0.15em;
    font-family: var(--mono);
    font-size: 10px;
    cursor: pointer;
    transition: border-color 0.3s, color 0.3s;
}
.tweaks-toggle:hover { border-color: var(--accent); color: var(--accent); }
.tweaks-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 6px var(--accent);
}
.tweaks-body {
    margin-top: 10px;
    width: 280px;
    padding: 18px;
    background: oklch(0.06 0.012 260 / 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--line);
    display: flex; flex-direction: column; gap: 18px;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
}
.tweaks-body[hidden] { display: none; }
.tweaks-section { display: flex; flex-direction: column; gap: 8px; }
.tweaks-label {
    font-size: 10px; letter-spacing: 0.2em;
    color: var(--accent);
    padding-bottom: 6px;
    border-bottom: 1px solid var(--line);
}
.tweak-row {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 10px;
    font-size: 10.5px;
    color: var(--paper-dim);
    letter-spacing: 0.05em;
    cursor: pointer;
}
.tweak-row input[type="range"] {
    grid-column: 1 / -1;
    width: 100%;
    accent-color: var(--accent);
}
.tweak-row .tweak-val {
    grid-column: 2;
    grid-row: 1;
    font-family: var(--mono);
    color: var(--accent);
    font-size: 10px;
}
.tweak-row.tweak-toggle input[type="checkbox"] {
    accent-color: var(--accent);
    width: 14px; height: 14px;
    cursor: pointer;
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 900px) {
    body { grid-template-columns: 1fr; }

    /* Rail becomes a sticky horizontal strip with edge fade */
    .rail {
        position: sticky;
        top: 0;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--line);
        padding: 10px 16px;
        flex-direction: row;
        align-items: center;
        gap: 12px;
        overflow: hidden;
    }
    .rail-top {
        flex-shrink: 0;
        gap: 10px;
        padding-right: 4px;
        border-right: 1px solid var(--line);
    }
    .mark { width: 32px; height: 32px; font-size: 11px; }
    .mark-sub { display: none; }
    .rail-nav {
        flex-direction: row;
        flex-shrink: 1;
        flex-grow: 1;
        gap: 0;
        overflow-x: auto;
        scrollbar-width: none;
        -webkit-mask-image: linear-gradient(90deg, transparent 0, black 16px, black calc(100% - 24px), transparent 100%);
        mask-image: linear-gradient(90deg, transparent 0, black 16px, black calc(100% - 24px), transparent 100%);
    }
    .rail-nav::-webkit-scrollbar { display: none; }
    .rail-nav a {
        display: inline-flex;
        grid-template-columns: unset;
        align-items: center;
        gap: 6px;
        padding: 8px 10px;
        border-left: none;
        border-bottom: 2px solid transparent;
        white-space: nowrap;
        flex-shrink: 0;
    }
    .rail-nav a.active {
        border-left: none;
        border-bottom-color: var(--accent);
        background: transparent;
    }
    .rail-foot { display: none; }

    /* Section spacing */
    .hero {
        padding: 48px 20px 40px;
        min-height: auto;
    }
    .section { padding: 72px 20px; }
    .section-contact { padding-bottom: 96px; }
    .section-head { margin-bottom: 32px; gap: 16px; }

    .about-grid { grid-template-columns: 1fr; gap: 20px; margin-bottom: 48px; }
    .lede { font-size: 24px; }
    .skills-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; padding-top: 24px; }

    /* Hero */
    .hero-badge { margin-bottom: 28px; font-size: 10px; }
    .hero-title { margin-bottom: 20px; }
    .hero-lede { font-size: 17px; }
    .hero-foot {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px 20px;
        padding-top: 20px;
        margin-top: 40px;
    }
    .hero-block { border-right: none; padding: 0; }
    .block-value { font-size: 22px; }

    /* Log entries stack vertically; image hidden */
    .log-entry {
        grid-template-columns: 1fr;
        gap: 14px;
        padding: 24px 12px;
        margin-left: -12px; margin-right: -12px;
    }
    .log-stamp { flex-direction: row; gap: 10px; }
    .log-sub { font-size: 22px; }
    .bullet-list li { font-size: 13.5px; max-width: none; }
    .log-art { display: none; }

    /* Cards stack */
    .edu-grid, .q-grid, .life-grid, .contact-grid { grid-template-columns: 1fr; }
    .edu-card { min-height: auto; padding: 22px; }
    .edu-school { font-size: 22px; }
    .q-card { padding: 20px; }
    .life-body { padding: 18px 20px; }
    .life-title { font-size: 21px; }
    .contact-card { padding: 22px; }
    .card-val { font-size: 22px; }

    .cert-li {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        padding: 12px 0;
        font-size: 13px;
    }

    .site-footer {
        flex-direction: column;
        gap: 6px;
        margin-top: 56px;
        font-size: 9.5px;
    }

    /* Tweaks panel repositioned to bottom-right on mobile so it doesn't collide with the rail */
    .tweaks { top: auto; bottom: 16px; right: 16px; }
    .tweaks-body {
        position: fixed;
        right: 16px;
        bottom: 56px;
        width: calc(100vw - 32px);
        max-width: 320px;
        max-height: calc(100vh - 120px);
    }

    /* Grid overlay is visual noise on small screens */
    .grid { opacity: 0.5; }
}

@media (max-width: 520px) {
    .hero { padding: 40px 16px 32px; }
    .section { padding: 56px 16px; }
    .skills-grid { grid-template-columns: 1fr; }
    .hero-foot { grid-template-columns: 1fr; gap: 14px; }
    .hero-title { font-size: clamp(44px, 13vw, 72px); line-height: 0.98; }
    h2 { font-size: clamp(36px, 10vw, 56px); }
    .lede { font-size: 21px; }
    .hero-lede { font-size: 16px; }
    .log-entry {
        padding: 22px 10px;
        margin-left: -10px; margin-right: -10px;
    }
    .log-sub, .edu-school, .life-title, .card-val { font-size: 20px; }
    .bullet-list li { font-size: 13px; }
    .life-img-wrap { aspect-ratio: 3 / 2; }
    /* 21/9 is too letterboxed once the grid collapses to one column. */
    .life-card-wide .life-img-wrap { aspect-ratio: 16 / 9; }
    .intro-text { font-size: 15px; }
}

/* Touch devices: disable hover-driven hint animations that feel sticky on tap */
@media (hover: none) {
    .glow-on .log-entry:hover,
    .glow-on .edu-card:hover,
    .glow-on .q-card:hover,
    .glow-on .life-card:hover,
    .glow-on .contact-card:hover {
        transform: none;
        box-shadow: none;
        border-color: var(--line);
        background: oklch(0.08 0.015 260 / 0.6);
    }
    .glow-on .life-card:hover .life-img { transform: none; }
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    [data-reveal] {
        opacity: 1 !important;
        transform: none !important;
    }
}