/* ==========================================================================
   Litigation Archive — editorial dark theme
   Fraunces (display) · Instrument Sans (body) · JetBrains Mono (meta)
   ========================================================================== */

:root {
    --bg:          #0B0B0E;
    --bg-tint:     #101015;
    --bg-sunken:   #08080B;
    --ink:         #EDE6D6;
    --ink-dim:     #9A9383;
    --ink-mute:    #6E6A60;
    --rule:        rgba(237, 230, 214, 0.14);
    --rule-soft:   rgba(237, 230, 214, 0.06);
    --accent:      #C8432D;   /* oxblood / archival stamp */
    --accent-warm: #E0623B;

    --f-display: 'Fraunces', 'Cormorant Garamond', Georgia, serif;
    --f-body:    'Instrument Sans', ui-sans-serif, system-ui, sans-serif;
    --f-mono:    'JetBrains Mono', ui-monospace, monospace;

    --container:   1240px;
    --pad-x:       clamp(1.25rem, 4vw, 3.5rem);
    --pad-y:       clamp(6rem, 14vh, 12rem);

    --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
    font-size: 16px;
    background: var(--bg);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: auto;
}

body {
    font-family: var(--f-body);
    font-weight: 400;
    font-size: 1.0625rem;
    line-height: 1.55;
    letter-spacing: -0.005em;
    background: var(--bg);
    color: var(--ink);
    overflow-x: hidden;
    min-height: 100vh;
}

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

img, svg { max-width: 100%; display: block; }

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

em { font-style: italic; }

/* Lenis */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }

/* ==========================================================================
   Global atmosphere
   ========================================================================== */
.grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    opacity: 0.06;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 300'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.9 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
    background-size: 300px 300px;
    animation: grain 6s steps(6) infinite;
}

@keyframes grain {
    0%   { transform: translate( 0,  0); }
    20%  { transform: translate(-5%,-8%); }
    40%  { transform: translate(-12%, 3%); }
    60%  { transform: translate( 7%,-2%); }
    80%  { transform: translate( 10%, 5%); }
    100% { transform: translate( 0,  0); }
}

.vignette {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    background: radial-gradient(120% 80% at 50% 0%, transparent 0%, rgba(0,0,0,0.35) 100%);
}

main { position: relative; z-index: 3; }

.mono { font-family: var(--f-mono); font-feature-settings: "ss01","cv11"; }
.muted { color: var(--ink-mute); }

/* ==========================================================================
   Top bar / navigation
   ========================================================================== */
.topbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 50;
    padding: 1.5rem var(--pad-x);
    pointer-events: none;
    mix-blend-mode: normal;
    transition: backdrop-filter .35s, background .35s;
}

.topbar.is-scrolled {
    background: color-mix(in oklab, var(--bg) 82%, transparent);
    backdrop-filter: blur(14px) saturate(120%);
    -webkit-backdrop-filter: blur(14px) saturate(120%);
    border-bottom: 1px solid var(--rule-soft);
    padding-top: 0.9rem;
    padding-bottom: 0.9rem;
}

.topbar {
    transition: transform .45s var(--ease-out), background .35s, padding .3s, border-color .3s, opacity .3s;
    will-change: transform;
}
.topbar.is-hidden { transform: translateY(-110%); }

.topbar-inner {
    max-width: var(--container);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    pointer-events: auto;
}

.mark {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    font-family: var(--f-display);
    font-weight: 500;
    font-size: 1.05rem;
    letter-spacing: 0.01em;
}

.mark-initials {
    font-style: italic;
    font-size: 1.35rem;
    line-height: 1;
    letter-spacing: -0.01em;
}

.mark-rule {
    width: 28px; height: 1px;
    background: var(--ink);
    opacity: 0.4;
}

.mark-meta {
    font-family: var(--f-display);
    font-style: italic;
    font-weight: 400;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    color: var(--ink-dim);
    padding-top: 1px;
    font-variant-numeric: oldstyle-nums;
}

.nav ol {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

.nav a {
    display: inline-flex;
    align-items: baseline;
    gap: 0.55rem;
    font-size: 0.95rem;
    color: var(--ink-dim);
    transition: color .3s var(--ease-out);
    position: relative;
    padding: 0.2rem 0;
}

.nav a:hover { color: var(--ink); }

.nav-num {
    font-family: var(--f-display);
    font-style: italic;
    font-weight: 400;
    font-size: 0.95rem;
    color: var(--accent);
    padding-top: 1px;
    letter-spacing: 0.01em;
}

.nav a::after {
    content: "";
    position: absolute;
    left: 0; bottom: -2px;
    width: 0; height: 1px;
    background: var(--ink);
    transition: width .4s var(--ease-out);
}

.nav a:hover::after { width: 100%; }

.menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--ink);
    padding: 0.6rem;
    width: 44px; height: 44px;
    position: relative;
    cursor: pointer;
}
.menu-btn span {
    position: absolute;
    left: 10px; right: 10px;
    height: 1.5px;
    background: currentColor;
    transition: transform .3s var(--ease-out), opacity .2s;
}
.menu-btn span:nth-child(1) { top: 17px; }
.menu-btn span:nth-child(2) { bottom: 17px; }
.menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 820px) {
    .menu-btn { display: block; }
    .nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        height: 100dvh;
        background: var(--bg);
        padding: 6rem var(--pad-x) 3rem;
        transform: translateY(-100%);
        transition: transform .5s var(--ease-out);
        z-index: 40;
        overflow: hidden;
    }
    .nav.is-open { transform: translateY(0); }
    .nav ol {
        flex-direction: column;
        gap: 2rem;
    }
    .nav a {
        font-family: var(--f-display);
        font-size: 2.75rem;
        font-weight: 400;
        line-height: 1;
        color: var(--ink);
    }
    .nav-num {
        font-size: 0.85rem;
        align-self: flex-start;
        padding-top: 1.2rem;
    }
}

/* ==========================================================================
   COVER / HERO
   ========================================================================== */
.cover {
    min-height: 100vh;
    padding: clamp(7rem, 16vh, 10rem) var(--pad-x) clamp(3rem, 8vh, 5rem);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(60% 50% at 15% 20%, rgba(200,67,45,0.09), transparent 60%),
        radial-gradient(40% 40% at 85% 90%, rgba(224,98,59,0.06), transparent 60%),
        var(--bg);
}

.cover::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, var(--rule-soft) 1px, transparent 1px);
    background-size: calc(100% / 12) 100%;
    opacity: 0.5;
    pointer-events: none;
    mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
}

.cover-grid {
    max-width: var(--container);
    width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: auto auto auto auto auto;
    column-gap: clamp(1rem, 2vw, 2rem);
    row-gap: clamp(1.5rem, 3vh, 3rem);
    position: relative;
}

.cover-eyebrow {
    grid-column: 1 / -1;
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-family: var(--f-display);
    font-size: 1.05rem;
    color: var(--ink-dim);
    letter-spacing: 0.01em;
}

.cover-eyebrow em {
    font-style: italic;
    font-weight: 400;
    color: var(--ink);
}

.kicker-rule {
    display: inline-block;
    width: clamp(40px, 8vw, 100px);
    height: 1px;
    background: var(--accent);
    opacity: 0.6;
}

.cover-title {
    grid-column: 1 / -1;
    font-family: var(--f-display);
    font-weight: 400;
    font-size: clamp(4.5rem, 15vw, 14rem);
    line-height: 0.88;
    letter-spacing: -0.035em;
    color: var(--ink);
    margin-top: 0.2rem;
    font-variation-settings: "opsz" 144, "SOFT" 30;
}

.cover-line {
    display: block;
    overflow: hidden;
    padding: 0.06em 0 0.02em;
}

.cover-line > span {
    display: block;
    will-change: transform, opacity;
}

.cover-line--accent {
    font-style: italic;
    color: var(--accent);
}

.cover-lede {
    grid-column: 1 / span 7;
    font-family: var(--f-display);
    font-weight: 300;
    font-size: clamp(1.25rem, 2.2vw, 1.75rem);
    line-height: 1.35;
    color: var(--ink);
    max-width: 30ch;
    letter-spacing: -0.01em;
    margin-top: 1rem;
}

.cover-lede em {
    font-style: italic;
    color: var(--accent-warm);
}

.cover-facts {
    grid-column: 9 / -1;
    align-self: end;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem 1rem;
    border-top: 1px solid var(--rule);
    padding-top: 1.1rem;
    margin-top: 1rem;
}

.cover-facts > div {}
.cover-facts dt {
    font-family: var(--f-display);
    font-style: italic;
    font-weight: 400;
    font-size: 0.92rem;
    color: var(--accent);
    margin-bottom: 0.3rem;
    letter-spacing: 0.01em;
}
.cover-facts dd {
    font-family: var(--f-body);
    font-size: 0.95rem;
    line-height: 1.35;
    color: var(--ink);
}
.cover-facts .muted { font-size: 0.82rem; }

.cover-marginalia {
    grid-column: 1 / span 3;
    display: flex;
    gap: 0.8rem;
    align-items: flex-start;
    font-family: var(--f-display);
    font-style: italic;
    font-size: 0.98rem;
    color: var(--ink-dim);
    line-height: 1.4;
    border-left: 1px solid var(--accent);
    padding-left: 0.9rem;
}
.cover-marginalia .pilcrow {
    font-family: var(--f-display);
    font-style: normal;
    font-weight: 400;
    color: var(--accent);
    font-size: 1.25rem;
    line-height: 1;
    padding-top: 2px;
}

.cover-cue {
    position: absolute;
    right: 0;
    bottom: -1rem;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--f-display);
    font-style: italic;
    font-size: 1rem;
    color: var(--ink-dim);
    transition: color .3s;
    letter-spacing: 0.01em;
}
.cover-cue:hover { color: var(--ink); }
.cue-line {
    display: inline-block;
    width: 80px; height: 1px;
    background: currentColor;
    position: relative;
}
.cue-line::after {
    content: "";
    position: absolute;
    right: 0; top: -3px;
    width: 7px; height: 7px;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: rotate(-45deg);
}

@media (max-width: 820px) {
    .cover-lede { grid-column: 1 / -1; }
    .cover-facts { grid-column: 1 / -1; grid-template-columns: 1fr 1fr; margin-top: 0.5rem; }
    .cover-marginalia { grid-column: 1 / -1; }
    .cover-cue { position: static; margin-top: 2rem; }
}

/* ==========================================================================
   CHAPTERS
   ========================================================================== */
.chapter {
    padding: var(--pad-y) var(--pad-x);
    max-width: calc(var(--container) + 2 * var(--pad-x));
    margin: 0 auto;
    position: relative;
}

.chapter--tinted {
    background:
        linear-gradient(to bottom, transparent, rgba(200,67,45,0.025) 40%, transparent 100%);
}

.chapter--close {
    padding-bottom: 5rem;
}

.chapter-head {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
    border-top: 1px solid var(--rule);
    padding-top: 2rem;
    margin-bottom: 2rem;
    max-width: var(--container);
    margin-left: auto;
    margin-right: auto;
}

.chapter-num {
    font-family: var(--f-display);
    font-style: italic;
    font-weight: 300;
    font-size: clamp(3rem, 6vw, 5rem);
    line-height: 0.9;
    color: var(--accent);
    padding-right: 0.6rem;
    border-right: 1px solid var(--rule);
    min-width: 3.5rem;
}

.chapter-titling { padding-top: 0.3rem; }

.chapter-kicker {
    font-family: var(--f-display);
    font-style: italic;
    font-weight: 400;
    font-size: 1.1rem;
    color: var(--ink-dim);
    margin-bottom: 0.9rem;
    letter-spacing: 0.01em;
}

.chapter-title {
    font-family: var(--f-display);
    font-weight: 400;
    font-size: clamp(2.5rem, 6vw, 5rem);
    line-height: 0.95;
    letter-spacing: -0.025em;
    color: var(--ink);
}

.chapter-title em { color: var(--accent); font-style: italic; }

.chapter-dek {
    max-width: 44ch;
    margin: 0 auto 4rem;
    font-family: var(--f-display);
    font-weight: 300;
    font-size: clamp(1.1rem, 1.8vw, 1.4rem);
    line-height: 1.45;
    color: var(--ink-dim);
    padding-left: calc(clamp(1.5rem, 4vw, 3rem) + 3.5rem);
    max-width: calc(var(--container));
    padding-right: 0;
}

.section-label {
    max-width: var(--container);
    margin: 4rem auto 2rem;
    font-family: var(--f-display);
    font-style: italic;
    font-size: 1.15rem;
    color: var(--accent);
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 1rem;
    letter-spacing: 0.01em;
}
.section-label::before, .section-label::after {
    content: "";
    flex: 0 0 auto;
    width: 40px; height: 1px;
    background: var(--accent);
    opacity: 0.5;
}
.section-label > span {
    flex: 0 0 auto;
}
.section-label::after {
    flex: 1;
    opacity: 0.2;
}
.section-label--mt { margin-top: 6rem; }

/* ==========================================================================
   DOSSIER (timeline)
   ========================================================================== */
.dossier {
    list-style: none;
    max-width: var(--container);
    margin: 0 auto;
}

.dossier-item {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) 2.5fr;
    gap: clamp(1.5rem, 5vw, 4rem);
    padding: 2.75rem 0;
    border-bottom: 1px solid var(--rule);
    position: relative;
}

.dossier-item::before {
    content: "";
    position: absolute;
    top: 2.75rem; left: 0;
    width: 8px; height: 8px;
    background: var(--accent);
    transform: translateX(-1.2rem) rotate(45deg);
    opacity: 0;
    transition: opacity .4s, transform .4s var(--ease-out);
}

.dossier-item:hover::before {
    opacity: 1;
    transform: translateX(-1.6rem) rotate(45deg);
}

.dossier-item:last-child { border-bottom: none; }

.dossier-meta {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding-top: 0.4rem;
}

.dossier-date {
    font-family: var(--f-display);
    font-style: italic;
    font-weight: 400;
    font-size: 1rem;
    color: var(--accent);
    letter-spacing: 0.01em;
}

.dossier-place {
    font-family: var(--f-body);
    font-size: 0.95rem;
    color: var(--ink-dim);
    line-height: 1.35;
    letter-spacing: -0.005em;
}

.dossier-role {
    font-family: var(--f-display);
    font-weight: 500;
    font-size: clamp(1.7rem, 3vw, 2.3rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 1rem;
}
.dossier-role-alt {
    display: block;
    font-weight: 300;
    font-style: italic;
    font-size: 0.65em;
    color: var(--ink-dim);
    margin-top: 0.2em;
}

.dossier-body p {
    font-size: 1.02rem;
    line-height: 1.6;
    color: var(--ink);
    max-width: 60ch;
}
.dossier-body p em {
    color: var(--accent-warm);
    font-style: italic;
}
.dossier-body p + p { margin-top: 0.8rem; }

@media (max-width: 720px) {
    .dossier-item {
        grid-template-columns: 1fr;
        gap: 0.9rem;
        padding: 2rem 0;
    }
    .dossier-role { font-size: 1.5rem; }
    .chapter-dek { padding-left: 0; }
    .chapter-head { grid-template-columns: auto 1fr; gap: 1rem; }
}

/* ==========================================================================
   FEATURES (projects)
   ========================================================================== */
.features {
    max-width: var(--container);
    margin: 4rem auto 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 5rem);
}

.feature {
    position: relative;
    padding-top: 1.5rem;
    border-top: 1px solid var(--rule);
}

.feature::before {
    content: "";
    position: absolute;
    top: -1px; left: 0;
    width: 40%; height: 1px;
    background: var(--accent);
}

.feature-meta {
    font-family: var(--f-display);
    font-size: 1.05rem;
    color: var(--ink-dim);
    margin-bottom: 1.25rem;
    letter-spacing: 0.005em;
}
.feature-meta em {
    font-style: italic;
    color: var(--accent);
    font-weight: 500;
}

.feature-title {
    font-family: var(--f-display);
    font-weight: 400;
    font-size: clamp(2.2rem, 4.5vw, 3.6rem);
    line-height: 0.98;
    letter-spacing: -0.028em;
    color: var(--ink);
    margin-bottom: 1.5rem;
}

.feature-lead, .feature p {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--ink);
    max-width: 55ch;
}
.feature p em { font-style: italic; color: var(--accent-warm); }
.feature p + p { margin-top: 0.9rem; }

.dropcap {
    float: left;
    font-family: var(--f-display);
    font-weight: 500;
    font-size: 4.3em;
    line-height: 0.85;
    padding-right: 0.12em;
    padding-top: 0.02em;
    color: var(--accent);
    font-style: normal;
}

.feature-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem 0.75rem;
    margin-top: 1.9rem;
    padding-top: 1.1rem;
    border-top: 1px dashed var(--rule-soft);
}

.feature-tags li {
    font-family: var(--f-display);
    font-style: italic;
    font-size: 0.95rem;
    padding: 0.3rem 0.85rem 0.25rem;
    border: 1px solid var(--rule);
    color: var(--ink-dim);
    border-radius: 2px;
    transition: color .3s, border-color .3s, transform .3s var(--ease-out), background .3s;
    cursor: help;
    letter-spacing: 0.005em;
    background: transparent;
}

.feature-tags li:hover {
    border-color: var(--accent);
    color: var(--ink);
    background: rgba(200, 67, 45, 0.08);
    transform: translateY(-1px);
}

@media (max-width: 820px) {
    .features { grid-template-columns: 1fr; gap: 3.5rem; }
}

/* ==========================================================================
   CONTACT
   ========================================================================== */
.mail {
    display: block;
    max-width: var(--container);
    margin: 4rem auto 0;
    position: relative;
    padding: 2.5rem 0 2rem;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    transition: border-color .4s;
}

.mail::before {
    content: "";
    position: absolute;
    top: -1px; left: 0; bottom: -1px;
    width: 0;
    background: linear-gradient(to right, var(--accent), transparent);
    opacity: 0;
    transition: width .6s var(--ease-out), opacity .4s;
    pointer-events: none;
}

.mail:hover::before { width: 100%; opacity: 0.15; }
.mail:hover { border-color: var(--accent); }

.mail-line {
    display: block;
    font-family: var(--f-display);
    font-weight: 400;
    font-size: clamp(2.5rem, 8vw, 6.5rem);
    line-height: 1;
    letter-spacing: -0.04em;
    color: var(--ink);
    word-break: break-word;
}
.mail-line em {
    font-style: italic;
    color: var(--accent);
    font-weight: 500;
}

.mail-cta {
    position: absolute;
    top: 1.5rem; right: 0;
    font-family: var(--f-display);
    font-size: 1.05rem;
    color: var(--ink-dim);
    transition: color .3s, transform .4s var(--ease-out);
    letter-spacing: 0.01em;
}
.mail-cta em { font-style: italic; }
.mail:hover .mail-cta { color: var(--accent); transform: translateX(6px); }

.colophon {
    max-width: var(--container);
    margin: 3rem auto 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem 1.5rem;
}
.colophon dt {
    font-family: var(--f-display);
    font-style: italic;
    font-size: 0.98rem;
    color: var(--ink-mute);
    margin-bottom: 0.3rem;
    letter-spacing: 0.01em;
}
.colophon dd {
    font-family: var(--f-display);
    font-size: 1.05rem;
    color: var(--ink);
    line-height: 1.3;
}
.colophon dd a { border-bottom: 1px solid var(--rule); padding-bottom: 2px; transition: border-color .3s, color .3s; }
.colophon dd a:hover { color: var(--accent); border-color: var(--accent); }

@media (max-width: 720px) {
    .colophon { grid-template-columns: 1fr 1fr; }
    .mail-cta { position: static; display: block; margin-bottom: 0.6rem; }
}

.foot {
    max-width: var(--container);
    margin: 5rem auto 0;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    font-family: var(--f-display);
    font-size: 0.95rem;
    color: var(--ink-mute);
    letter-spacing: 0.01em;
}
.foot em { font-style: italic; }
.foot-rule {
    flex: 1;
    height: 1px;
    background: var(--rule);
}

/* ==========================================================================
   REVEAL
   ========================================================================== */
[data-reveal] { opacity: 0; }

@media (prefers-reduced-motion: reduce) {
    [data-reveal] { opacity: 1 !important; }
    .grain { animation: none; }
    * { animation: none !important; transition: none !important; }
}

/* ==========================================================================
   Bilingual visibility
   ========================================================================== */
html[lang="cs"] [lang="en"] { display: none !important; }
html[lang="en"] [lang="cs"] { display: none !important; }
/* Gate always shows both */
.gate [lang] { display: revert !important; }

/* ==========================================================================
   Light theme
   ========================================================================== */
html[data-theme="light"] {
    --bg:          #F4EFE3;
    --bg-tint:     #ECE6D6;
    --bg-sunken:   #FAF6EA;
    --ink:         #1A1A1E;
    --ink-dim:     #55524A;
    --ink-mute:    #817C6E;
    --rule:        rgba(26, 26, 30, 0.14);
    --rule-soft:   rgba(26, 26, 30, 0.06);
    --accent:      #A83520;
    --accent-warm: #C84A26;
}
html[data-theme="light"] .grain { opacity: 0.08; mix-blend-mode: multiply; }
html[data-theme="light"] .vignette { background: radial-gradient(120% 80% at 50% 0%, transparent 0%, rgba(120,80,40,0.08) 100%); }
html[data-theme="light"] .cover {
    background:
        radial-gradient(60% 50% at 15% 20%, rgba(168,53,32,0.10), transparent 60%),
        radial-gradient(40% 40% at 85% 90%, rgba(200,74,38,0.06), transparent 60%),
        var(--bg);
}
html[data-theme="light"] .chapter--tinted {
    background: linear-gradient(to bottom, transparent, rgba(168,53,32,0.03) 40%, transparent 100%);
}
html[data-theme="light"] .topbar.is-scrolled {
    background: color-mix(in oklab, var(--bg) 80%, transparent);
}

/* ==========================================================================
   Top-bar toggles
   ========================================================================== */
.toggles {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.toggle {
    appearance: none;
    background: transparent;
    border: 1px solid var(--rule);
    color: var(--ink-dim);
    padding: 0.35rem 0.7rem;
    border-radius: 2px;
    cursor: pointer;
    font-family: var(--f-display);
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    transition: color .3s, border-color .3s, background .3s;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    line-height: 1;
}
.toggle:hover { color: var(--ink); border-color: var(--accent); }

.toggle--lang { font-style: italic; }
.toggle-ind {
    opacity: 0.4;
    transition: opacity .3s, color .3s;
}
html[lang="cs"] .toggle-ind[data-lang-ind="cs"],
html[lang="en"] .toggle-ind[data-lang-ind="en"] {
    opacity: 1;
    color: var(--accent);
}
.toggle-sep { opacity: 0.3; }

.toggle--theme { width: 34px; height: 32px; padding: 0; justify-content: center; }
.toggle-icon { display: none; }
html[data-theme="dark"] .toggle-icon--sun { display: block; }
html[data-theme="light"] .toggle-icon--moon { display: block; }

@media (max-width: 820px) {
    .toggles { gap: 0.35rem; }
    .toggle { padding: 0.3rem 0.55rem; font-size: 0.8rem; }
    .topbar-inner { gap: 0.8rem; }
}

/* ==========================================================================
   Credentials (languages & certifications)
   ========================================================================== */
.credentials {
    list-style: none;
    max-width: var(--container);
    margin: 0 auto;
    display: grid;
    gap: 1rem;
}

.credentials li {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) 2.5fr;
    gap: clamp(1.5rem, 5vw, 4rem);
    padding: 1.2rem 0;
    border-bottom: 1px solid var(--rule);
}
.credentials li:last-child { border-bottom: none; }

.credentials-label {
    font-family: var(--f-display);
    font-weight: 500;
    font-size: 1.35rem;
    color: var(--ink);
    letter-spacing: -0.01em;
}

.credentials-value {
    font-family: var(--f-body);
    font-size: 1rem;
    color: var(--ink-dim);
    align-self: center;
}
.credentials-value em { font-style: italic; color: var(--ink); }
.credentials-value strong {
    font-weight: 500;
    color: var(--accent);
    font-style: normal;
    font-family: var(--f-display);
    font-size: 1.05rem;
    letter-spacing: 0.005em;
}

@media (max-width: 720px) {
    .credentials li { grid-template-columns: 1fr; gap: 0.4rem; }
    .credentials-value { font-size: 0.95rem; }
}

/* ==========================================================================
   Language gate
   ========================================================================== */
html[data-gated="true"] body { overflow: hidden; }
html[data-gated="true"] .topbar { opacity: 0; pointer-events: none; }
html[data-gated="true"] main { opacity: 0; pointer-events: none; }

.gate {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: var(--bg);
    display: flex;
    flex-direction: column;
    padding: clamp(2rem, 6vh, 5rem) clamp(1.25rem, 4vw, 3.5rem);
    overflow: hidden;
    transition: opacity 0.7s var(--ease-out), visibility 0.7s;
}

.gate::before {
    content: "";
    position: absolute; inset: 0;
    background:
        radial-gradient(60% 50% at 20% 15%, rgba(200,67,45,0.14), transparent 60%),
        radial-gradient(45% 45% at 82% 85%, rgba(224,98,59,0.10), transparent 60%);
    pointer-events: none;
}
.gate::after {
    content: "";
    position: absolute; inset: 0;
    background-image: linear-gradient(to right, var(--rule-soft) 1px, transparent 1px);
    background-size: calc(100% / 12) 100%;
    opacity: 0.35;
    mask-image: linear-gradient(to bottom, black 30%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 30%, transparent 100%);
    pointer-events: none;
}

html:not([data-gated="true"]) .gate {
    opacity: 0;
    visibility: hidden;
}

.gate-mark {
    position: relative;
    z-index: 2;
    text-align: center;
    margin-top: clamp(1rem, 6vh, 3rem);
    margin-bottom: auto;
}

.gate-name {
    display: block;
    font-family: var(--f-display);
    font-weight: 400;
    font-size: clamp(3rem, 9vw, 7rem);
    line-height: 0.95;
    letter-spacing: -0.035em;
    color: var(--ink);
}
.gate-name em {
    font-style: italic;
    color: var(--accent);
    font-weight: 400;
}

.gate-sub {
    display: block;
    font-family: var(--f-display);
    font-style: italic;
    font-size: clamp(1rem, 1.6vw, 1.3rem);
    color: var(--ink-dim);
    margin-top: 0.9rem;
    letter-spacing: 0.02em;
}

.gate-split {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: stretch;
    gap: 0;
    flex: 1;
    min-height: 260px;
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
}

.gate-side {
    appearance: none;
    background: transparent;
    border: none;
    color: var(--ink);
    cursor: pointer;
    padding: clamp(1.5rem, 4vh, 3rem) clamp(1.5rem, 4vw, 3rem);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    gap: 0.75rem;
    font-family: var(--f-display);
    text-align: left;
    position: relative;
    transition: background 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.gate-side--en { align-items: flex-end; text-align: right; }

.gate-side::before {
    content: "";
    position: absolute;
    left: 1.5rem; right: 1.5rem;
    top: 0;
    height: 1px;
    background: var(--rule);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-out), background 0.3s;
}
.gate-side--en::before { transform-origin: right; }
.gate-side:hover::before,
.gate-side:focus-visible::before {
    transform: scaleX(1);
    background: var(--accent);
}

.gate-side:hover,
.gate-side:focus-visible {
    background: color-mix(in oklab, var(--accent) 7%, transparent);
    outline: none;
}

.gate-flag {
    font-family: var(--f-display);
    font-style: italic;
    font-size: 0.95rem;
    color: var(--accent);
    letter-spacing: 0.15em;
}

.gate-hello {
    font-family: var(--f-display);
    font-weight: 400;
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--ink);
    margin-top: 0.2rem;
}
.gate-side:hover .gate-hello,
.gate-side:focus-visible .gate-hello {
    font-style: italic;
    color: var(--accent);
}

.gate-copy {
    font-family: var(--f-display);
    font-style: italic;
    font-size: clamp(0.95rem, 1.3vw, 1.1rem);
    color: var(--ink-dim);
    line-height: 1.3;
    max-width: 24ch;
}

.gate-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--f-display);
    font-size: 1.1rem;
    color: var(--ink);
    margin-top: 0.6rem;
    transition: transform 0.4s var(--ease-out), color 0.3s;
}
.gate-cta em { font-style: italic; color: var(--accent); }
.gate-side:hover .gate-cta,
.gate-side:focus-visible .gate-cta { transform: translateX(6px); }
.gate-side--en:hover .gate-cta,
.gate-side--en:focus-visible .gate-cta { transform: translateX(-6px); }

.gate-divider {
    width: 1px;
    background: var(--rule);
    align-self: stretch;
    margin: 2rem 0;
}

.gate-foot {
    position: relative;
    z-index: 2;
    text-align: center;
    font-family: var(--f-display);
    font-style: italic;
    font-size: 0.9rem;
    color: var(--ink-mute);
    margin-top: 2rem;
}
.gate-foot [lang] + [lang]::before {
    content: " / ";
    color: var(--ink-mute);
    opacity: 0.5;
    font-style: normal;
}

.gate-side.is-chosen {
    background: color-mix(in oklab, var(--accent) 12%, transparent);
    transform: scale(1.02);
}
.gate-side.is-dismissed { opacity: 0; }
.gate-divider.is-dismissed { opacity: 0; transition: opacity 0.3s; }

@media (max-width: 720px) {
    .gate-split {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 1px 1fr;
    }
    .gate-divider {
        width: auto;
        height: 1px;
        margin: 0 2rem;
    }
    .gate-side--en { align-items: flex-start; text-align: left; }
    .gate-side--en::before { transform-origin: left; }
}