/* ==========================================================================
   Sophist — тема сайту Сергія Ягодзінського. Концепція «Трактат»:
   академічний журнал, нумерація розділів 1, 1.1 …, логічні символи,
   жовтий маркер як знак критичного читання.
   ========================================================================== */

:root {
  --paper: #F3EFE6; --paper-2: #EAE4D7; --card: #FBF9F4; --ink: #16181D; --ink-2: #4A4E57; --ink-3: #74777F;
  --rule: #D7CFBF; --rule-2: #C4BBA8; --marker: #F4C430; --on-marker: #16181D; --link: #2340B8; --seal: #9A3324;
  --shadow: 0 1px 0 rgba(22,24,29,.04), 0 12px 32px -18px rgba(22,24,29,.28);
  --f-serif: "Literata", Georgia, "Times New Roman", serif;
  --f-sans: "Onest", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --inv-bg: #16181D; --inv-fg: #ECE7DC; --inv-2: rgba(236,231,220,.72); --inv-rule: rgba(255,255,255,.14);
  --w: 1240px; --gut: clamp(16px, 4vw, 40px); --hdr: 68px;
  --ease: cubic-bezier(.2,.7,.2,1);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121317; --paper-2: #1A1C21; --card: #17191E; --ink: #ECE7DC; --ink-2: #B8B3A8; --ink-3: #8D897F;
    --rule: #2B2D34; --rule-2: #3A3D45; --marker: #E9B824; --on-marker: #121317; --link: #9DB0FF; --seal: #E0745F;
    --shadow: 0 12px 32px -18px rgba(0,0,0,.7); color-scheme: dark; --mk-top: 80%; --inv-bg: #0B0C0F;
  }
}
:root[data-theme="dark"] {
  --paper: #121317; --paper-2: #1A1C21; --card: #17191E; --ink: #ECE7DC; --ink-2: #B8B3A8; --ink-3: #8D897F;
  --rule: #2B2D34; --rule-2: #3A3D45; --marker: #E9B824; --on-marker: #121317; --link: #9DB0FF; --seal: #E0745F;
  --shadow: 0 12px 32px -18px rgba(0,0,0,.7); color-scheme: dark; --mk-top: 80%; --inv-bg: #0B0C0F;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--hdr) + 16px); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 17px/1.65 var(--f-sans); font-feature-settings: "kern", "liga";
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: clip;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .18em; }
:where(.prose, .entry) a:not(.btn):not(.wp-block-button__link):not(.card-link):not(.pf):not(.so):not(.tm-n):not(.mail) { color: var(--link); }
a:hover { text-decoration-color: var(--marker); }
button { font: inherit; color: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--link); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--marker); color: var(--on-marker); }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--ink); color: var(--paper); padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }
[hidden] { display: none !important; }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

h1, h2, h3, h4 { font-family: var(--f-serif); font-weight: 400; line-height: 1.12; letter-spacing: -.015em; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: clamp(2.4rem, 5.6vw, 5rem); font-variation-settings: "opsz" 72; font-weight: 350; letter-spacing: -.025em; }
h2 { font-size: clamp(1.9rem, 3.6vw, 3.1rem); font-variation-settings: "opsz" 60; font-weight: 380; }
h3 { font-size: clamp(1.18rem, 1.6vw, 1.4rem); font-weight: 500; letter-spacing: -.005em; line-height: 1.25; }
p { margin: 0 0 1em; }
.kicker { font: 500 .74rem/1.4 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 .9em; }
.lead { font-size: clamp(1.12rem, 1.5vw, 1.3rem); line-height: 1.55; color: var(--ink-2); max-width: 46ch; }
.mono { font-family: var(--f-mono); }

/* маркер: підсвічування «розчерком», домальовується під час прокрутки */
mark, .mk {
  background: linear-gradient(transparent var(--mk-top, 58%), var(--marker) var(--mk-top, 58%), var(--marker) 92%, transparent 92%) no-repeat 0 0 / 0% 100%;
  color: inherit; padding: 0 .06em; transition: background-size 1.1s var(--ease) .15s;
}
mark.in, .mk.in, .no-motion mark, .no-js mark { background-size: 100% 100%; }

.wrap { width: min(100% - 2 * var(--gut), var(--w)); margin-inline: auto; }
.narrow { max-width: 760px; }

/* ---------- кнопки ---------- */
.btn, .wp-block-button__link {
  display: inline-flex; align-items: center; gap: .55em; min-height: 46px; padding: .7em 1.25em;
  border-radius: 999px; font: 500 .95rem/1.2 var(--f-sans); text-decoration: none; border: 1px solid transparent;
  transition: transform .25s var(--ease), background-color .2s, border-color .2s, color .2s;
}
.btn-ink, .wp-block-button:not(.is-style-outline) .wp-block-button__link { background: var(--ink); color: var(--paper); }
.btn-ink:hover, .wp-block-button:not(.is-style-outline) .wp-block-button__link:hover { background: var(--link); color: #fff; }
.btn-line, .is-style-outline .wp-block-button__link { border-color: var(--rule-2); background: transparent; color: var(--ink); }
.btn-line:hover, .is-style-outline .wp-block-button__link:hover { border-color: var(--ink); background: var(--card); }
.btn-marker { background: var(--marker); color: var(--on-marker); }
.btn-sm { min-height: 38px; padding: .45em .95em; font-size: .88rem; }
.btn .arr, .arr { display: inline-block; transition: transform .25s var(--ease); }
.btn:hover .arr, a:hover > .arr, a:hover .arr { transform: translate(3px, -1px); }
.btns, .wp-block-buttons { display: flex; flex-wrap: wrap; gap: 10px; margin: 1.4em 0 0; }

/* ---------- шапка ---------- */
.progress { position: fixed; inset: 0 0 auto; height: 3px; background: var(--marker); transform-origin: 0 50%; transform: scaleX(0); z-index: 60; }
.hdr {
  position: sticky; top: 0; z-index: 50; height: var(--hdr);
  background: color-mix(in srgb, var(--paper) 86%, transparent); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s, box-shadow .3s, transform .35s var(--ease);
}
.hdr.scrolled { border-bottom-color: var(--rule); }
.hdr.hide { transform: translateY(-100%); }
.hdr .wrap { height: 100%; display: flex; align-items: center; gap: 18px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-right: auto; min-width: 0; }
.brand-m {
  width: 40px; height: 40px; flex: none; border-radius: 10px; background: #16181D; color: #F3EFE6;
  display: grid; place-items: center; padding-bottom: 5px; font: 400 1rem/1 var(--f-serif); letter-spacing: .02em; position: relative; overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
}
.brand-m::after { content: ""; position: absolute; left: 11px; right: 11px; bottom: 8px; height: 2px; background: var(--marker); border-radius: 2px; transform-origin: 0; transition: transform .4s var(--ease); }
:root[data-theme="dark"] .brand-m { background: #23252C; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .brand-m { background: #23252C; } }
.brand:hover .brand-m::after { transform: scaleX(.4); }
.brand-t { display: grid; line-height: 1.15; min-width: 0; }
.brand-t b { font: 500 1.02rem/1.2 var(--f-serif); white-space: nowrap; }
.brand-t small { font: .68rem/1.3 var(--f-mono); letter-spacing: .06em; color: var(--ink-3); white-space: nowrap; }

.nav { display: flex; align-items: center; gap: 2px; }
.nav > .dd { position: relative; }
.nav-b {
  display: inline-flex; align-items: center; gap: 6px; padding: 9px 12px; border: 0; background: none; border-radius: 999px;
  font: 500 .92rem/1 var(--f-sans); color: var(--ink-2); text-decoration: none; transition: background-color .2s, color .2s;
}
.nav-b:hover, .dd.open > .nav-b, .nav-b[aria-current="true"] { background: var(--paper-2); color: var(--ink); }
.nav-b { white-space: nowrap; }
.nav-b .n { font: .7rem var(--f-mono); color: var(--ink-3); }
@media (max-width: 1400px) { .nav-b .n { display: none; } .nav-b { padding: 9px 10px; } }
.nav-b svg { width: 10px; height: 10px; transition: transform .25s; }
.dd.open > .nav-b svg { transform: rotate(180deg); }
.menu {
  position: absolute; top: calc(100% + 10px); left: 50%; translate: -50% 0; min-width: 340px; padding: 10px;
  background: var(--card); border: 1px solid var(--rule); border-radius: 18px; box-shadow: var(--shadow);
  display: grid; gap: 2px; opacity: 0; visibility: hidden; transform: translateY(-6px); transition: opacity .2s, transform .25s var(--ease), visibility 0s .25s;
}
.dd.open > .menu { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.menu a { display: grid; grid-template-columns: 38px 1fr; gap: 2px 12px; align-items: center; padding: 10px 12px; border-radius: 12px; text-decoration: none; }
.menu a:hover, .menu a[aria-current="page"] { background: var(--paper-2); }
.menu .sym { grid-row: span 2; width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--rule); display: grid; place-items: center; font: 500 1.05rem var(--f-serif); background: var(--paper); }
.menu a:hover .sym { background: var(--marker); border-color: var(--marker); color: var(--on-marker); }
.menu b { font-weight: 500; font-size: .95rem; }
.menu b i { font: normal .7rem var(--f-mono); color: var(--ink-3); margin-right: 6px; }
.menu small { color: var(--ink-3); font-size: .8rem; line-height: 1.35; }

.tools { display: flex; align-items: center; gap: 6px; }
.icon-b { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--rule); background: transparent; display: grid; place-items: center; text-decoration: none; font: 600 .74rem var(--f-mono); transition: background-color .2s, border-color .2s; }
.icon-b:hover { background: var(--paper-2); border-color: var(--rule-2); }
.icon-b svg { width: 18px; height: 18px; }
.burger { display: none; }
@media (max-width: 1240px) {
  .nav, .tools .hide-m { display: none; }
  .burger { display: grid; }
}

@media (max-width: 520px) { .brand-t small { display: none; } .brand-t b { font-size: .95rem; } .hdr .wrap { gap: 10px; } .brand { gap: 10px; } }
@media (max-width: 360px) { .brand-t { display: none; } }

/* мобільне меню */
.sheet { position: fixed; inset: 0; z-index: 70; background: var(--paper); transform: translateY(-100%); visibility: hidden; transition: transform .45s var(--ease), visibility 0s .45s; overflow-y: auto; overscroll-behavior: contain; }
.sheet.open { transform: none; visibility: visible; transition-delay: 0s; }
.sheet-top { position: sticky; top: 0; display: flex; align-items: center; justify-content: space-between; height: var(--hdr); padding-inline: var(--gut); background: var(--paper); border-bottom: 1px solid var(--rule); }
.sheet-body { padding: 8px var(--gut) 40px; }
.acc { border-bottom: 1px solid var(--rule); }
.acc > button { width: 100%; display: flex; align-items: baseline; gap: 14px; padding: 18px 0; border: 0; background: none; text-align: left; font: 400 1.5rem/1.2 var(--f-serif); }
.acc > button .n { font: .78rem var(--f-mono); color: var(--ink-3); min-width: 1.6em; }
.acc > button::after { content: "+"; margin-left: auto; font: 300 1.4rem var(--f-sans); transition: transform .3s; }
.acc.open > button::after { transform: rotate(45deg); }
.acc-p { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s var(--ease); }
.acc.open .acc-p { grid-template-rows: 1fr; }
.acc-p > div { overflow: hidden; }
.acc-p a { display: flex; gap: 12px; padding: 10px 0 10px 36px; text-decoration: none; color: var(--ink-2); }
.acc-p a .sym { font-family: var(--f-serif); width: 1.4em; color: var(--ink); }
.acc-p a:last-child { margin-bottom: 14px; }
.sheet-foot { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }

/* ---------- шапка сторінки (Трактат) ---------- */
.phead { padding: clamp(40px, 8vw, 100px) 0 clamp(28px, 4vw, 48px); position: relative; }
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font: .78rem var(--f-mono); color: var(--ink-3); margin-bottom: 28px; letter-spacing: .02em; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--ink); }
.crumbs .sep { opacity: .5; }
.prop { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.prop .sym { width: 52px; height: 52px; border-radius: 12px; background: var(--inv-bg); color: var(--inv-fg); box-shadow: inset 0 0 0 1px var(--inv-rule); display: grid; place-items: center; font: 400 1.6rem/1 var(--f-serif); flex: none; }
.prop .num { font: 500 .82rem var(--f-mono); letter-spacing: .1em; color: var(--ink-3); }
.prop .num b { display: block; color: var(--ink); font-size: 1.02rem; letter-spacing: 0; font-family: var(--f-sans); font-weight: 500; }
.phead h1 { max-width: 17ch; }
.phead .lead { margin-top: 18px; max-width: 54ch; }
.phead-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 40px; align-items: end; }
.phead-grid .lead { justify-self: end; border-left: 2px solid var(--marker); padding-left: 18px; }
@media (max-width: 900px) { .phead-grid { grid-template-columns: 1fr; gap: 0; } .phead-grid .lead { justify-self: start; } }

/* ---------- зміст сторінки ---------- */
.page-body { display: grid; grid-template-columns: minmax(0, 1fr); gap: 56px; padding-bottom: clamp(56px, 8vw, 110px); }
.page-body.has-toc { grid-template-columns: 220px minmax(0, 1fr); }
.toc { position: sticky; top: calc(var(--hdr) + 28px); align-self: start; font-size: .9rem; }
.toc p { margin-bottom: 12px; }
.toc ol { list-style: none; padding: 0; margin: 0; border-left: 1px solid var(--rule); }
.toc a { display: block; padding: 7px 0 7px 16px; margin-left: -1px; border-left: 2px solid transparent; text-decoration: none; color: var(--ink-3); line-height: 1.35; transition: color .2s, border-color .2s; }
.toc a:hover { color: var(--ink); }
.toc a.on { color: var(--ink); border-left-color: var(--marker); }
@media (max-width: 1000px) { .page-body.has-toc { grid-template-columns: 1fr; } .toc { display: none; } }

.entry > * { margin-block: 0 1.1em; }
.entry > :where(p, ul, ol, h2, h3, blockquote, .wp-block-buttons) { max-width: 760px; }
.entry > h2 { margin-top: clamp(56px, 7vw, 96px); padding-top: 24px; border-top: 1px solid var(--rule); position: relative; }
.entry > h2:first-child { margin-top: 0; }
.entry > h2[data-n]::before { content: attr(data-n); position: absolute; top: 28px; right: 100%; margin-right: 22px; font: 500 .8rem var(--f-mono); color: var(--ink-3); white-space: nowrap; }
@media (max-width: 1300px) { .entry > h2[data-n]::before { position: static; display: block; margin: 0 0 10px; } }
.entry > h3 { margin-top: 2em; }
.entry ul:not([class]), .entry ol:not([class]) { padding-left: 1.2em; }
.entry ul:not([class]) li::marker { content: "∴  "; color: var(--ink-3); font-family: var(--f-serif); }
.entry li { margin-bottom: .45em; }
.entry .wp-block-image img, .entry figure img { border-radius: 18px; }
.entry figcaption, .wp-element-caption { font: .78rem/1.5 var(--f-mono); color: var(--ink-3); margin-top: 10px; text-align: left; }
.entry .wp-block-columns { gap: clamp(24px, 4vw, 56px); margin-block: 0 1.4em; }
.entry blockquote, .pull { margin: 2em 0; padding: 0 0 0 26px; border-left: 3px solid var(--marker); font: 400 clamp(1.3rem, 2.2vw, 1.75rem)/1.4 var(--f-serif); max-width: 34ch; }
.entry blockquote p { margin: 0 0 .4em; }
.entry blockquote cite { display: block; font: .78rem var(--f-mono); font-style: normal; color: var(--ink-3); margin-top: 10px; }
.entry .wp-block-separator { border: 0; border-top: 1px solid var(--rule); margin: 3em 0; }
.big-p { font: 400 clamp(1.3rem, 2.1vw, 1.7rem)/1.45 var(--f-serif); letter-spacing: -.005em; max-width: 30ch; }
.entry > .big-p { max-width: 34ch; }

/* таблиця фактів */
.facts { display: grid; grid-template-columns: 170px 1fr; margin: 1.6em 0; border-top: 1px solid var(--rule); max-width: 820px; }
.facts dt, .facts dd { margin: 0; padding: 16px 0; border-bottom: 1px solid var(--rule); }
.facts dt { font: 500 .74rem/1.9 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); padding-right: 20px; }
@media (max-width: 640px) { .facts { grid-template-columns: 1fr; } .facts dt { border-bottom: 0; padding-bottom: 0; } .facts dd { padding-top: 4px; } }

/* мітки, фішки */
.tag { display: inline-flex; align-items: center; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--rule); font: .74rem/1.3 var(--f-mono); color: var(--ink-2); background: var(--paper); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; }
.chip { padding: 8px 16px; border-radius: 999px; border: 1px solid var(--rule); background: transparent; font: .86rem var(--f-sans); transition: all .2s; }
.chip:hover { border-color: var(--ink); }
.chip.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.pills { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0 !important; margin: 1em 0 1.6em; }
.pills li { margin: 0; padding: 8px 14px; border-radius: 999px; background: var(--card); border: 1px solid var(--rule); font-size: .92rem; }
.pills li::marker { content: none; }

/* ---------- картки ---------- */
.cards { display: grid; gap: 16px; margin: 1.6em 0 2em; }
.cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1050px) { .cards-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .cards-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .cards-2, .cards-3, .cards-4 { grid-template-columns: 1fr; } }
.card { position: relative; background: var(--card); border: 1px solid var(--rule); border-radius: 20px; padding: 24px; display: flex; flex-direction: column; transition: transform .35s var(--ease), border-color .25s, box-shadow .35s; }
.card:hover { border-color: var(--rule-2); box-shadow: var(--shadow); }
.card h3 { margin-bottom: .45em; }
.card p { color: var(--ink-2); font-size: .96rem; }
.card .card-f { margin-top: auto; padding-top: 12px; display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 0; }
.card .lnk { font-size: .9rem; text-decoration: none; color: var(--ink); font-weight: 500; }
.card .badge { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--paper-2); font: 600 .82rem var(--f-mono); margin-bottom: 18px; }
.card-link { display: flex; flex-direction: column; height: 100%; text-decoration: none; color: inherit; }
.card-link::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.card-arr { position: absolute; top: 22px; right: 22px; color: var(--ink-3); }
.card .sym { font: 400 1.7rem/1 var(--f-serif); margin-bottom: 18px; color: var(--ink); display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; border: 1px solid var(--rule); background: var(--paper); }
.card.dark { background: var(--inv-bg); color: var(--inv-fg); border-color: var(--inv-rule); }
.card.dark p { color: var(--inv-2); }
.card.marker { background: var(--marker); color: var(--on-marker); border-color: var(--marker); }
.card.marker p { color: color-mix(in srgb, var(--on-marker) 78%, transparent); }

/* ---------- головна ---------- */
.hero { position: relative; padding: clamp(28px, 6vw, 72px) 0 clamp(40px, 6vw, 80px); overflow: hidden; }
.hero canvas.net { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: .9; }
.hero .wrap { position: relative; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.hero h1 { font-size: clamp(2.7rem, 5.6vw, 5.6rem); line-height: 1; margin-bottom: .36em; max-width: 100%; }
.hero h1 span { display: block; }
.hero h1 .l2 { font-style: italic; font-weight: 300; padding-left: .4em; }
.hero-text { min-width: 0; }
.role { display: flex; align-items: baseline; gap: .4em; font: 400 clamp(1.3rem, 2.4vw, 1.9rem)/1.3 var(--f-serif); margin-bottom: 18px; }
.role-w { position: relative; height: 1.3em; overflow: hidden; display: inline-block; }
.role-t { display: block; transition: transform .7s var(--ease); }
.role-t span { display: block; height: 1.3em; white-space: nowrap; }
.role-t span b { font-weight: inherit; background: linear-gradient(transparent 68%, var(--marker) 68%, var(--marker) 88%, transparent 88%); padding: 0 .08em; }
.role-lead { transition: opacity .35s, transform .35s var(--ease); max-width: 50ch; min-height: 5.1em; }
.role-lead.swap { opacity: 0; transform: translateY(6px); }
.hero-day { display: inline-flex; align-items: center; gap: 12px; margin-top: 20px; padding: 8px 18px 8px 8px; border: 1px solid var(--rule); border-radius: 999px; text-decoration: none; background: var(--card); transition: border-color .2s, transform .3s var(--ease); }
.hero-day:hover { border-color: var(--ink); transform: translateY(-2px); }
.hero-day .d { width: 36px; height: 36px; border-radius: 50%; background: #124A3C; color: #F5F3EE; display: grid; place-items: center; font-family: var(--f-serif); }
.hero-day b { display: block; font-weight: 500; font-size: .92rem; }
.hero-day small { color: var(--ink-3); font-size: .78rem; }

.portrait { position: relative; justify-self: center; width: min(100%, 440px); }
.portrait-f { position: relative; border-radius: 26px; overflow: hidden; aspect-ratio: 733 / 1000; background: var(--paper-2); box-shadow: 0 40px 80px -40px rgba(22,24,29,.5); will-change: transform; }
.portrait-f img { width: 100%; height: 112%; object-fit: cover; object-position: 50% 30%; transform: translateY(var(--py, 0px)); will-change: transform; }
.portrait::before { content: ""; position: absolute; inset: 22px -22px -22px 22px; border: 1px solid var(--rule-2); border-radius: 26px; z-index: -1; }
.p-note { position: absolute; z-index: 2; padding: 10px 14px; background: var(--card); border: 1px solid var(--rule); border-radius: 14px; box-shadow: var(--shadow); font-size: .82rem; line-height: 1.3; max-width: 230px; transform: translateY(var(--ny, 0px)); }
.p-note b { display: block; font-weight: 500; font-size: .88rem; }
.p-note small { font: .7rem var(--f-mono); color: var(--ink-3); }
.p-note .s { float: left; width: 30px; height: 30px; margin: 1px 10px 0 0; border-radius: 8px; background: var(--marker); color: var(--on-marker); display: grid; place-items: center; font-family: var(--f-serif); }
.p-note.n1 { top: 8%; left: -14%; }
.p-note.n2 { bottom: 16%; right: -12%; }
.p-note.n3 { bottom: -4%; left: 4%; }
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .portrait { width: min(80%, 360px); margin: 18px auto 10px; }
  .p-note.n1 { left: -10%; } .p-note.n2 { right: -10%; }
}
@media (max-width: 600px) { .p-note.n1, .p-note.n2 { display: none; } .p-note.n3 { left: auto; right: -6%; bottom: 6%; } .role-lead { min-height: 0; } }

/* біжучий рядок символів — швидкість залежить від прокрутки */
.band { background: var(--inv-bg); color: var(--inv-fg); overflow: hidden; padding: 16px 0; border-block: 1px solid var(--inv-rule); }
.band-t { display: flex; width: max-content; gap: 0; will-change: transform; }
.band-t span { font: 400 clamp(1.2rem, 2.2vw, 1.7rem)/1 var(--f-serif); white-space: nowrap; padding-right: 1.4em; }
.band-t span i { font-style: normal; color: var(--marker); padding-right: 1.4em; }

.stats { display: grid; grid-template-columns: 1.5fr repeat(4, 1fr); border-bottom: 1px solid var(--rule); }
.st { display: flex; flex-direction: column; gap: 8px; padding: 30px 22px; border-right: 1px solid var(--rule); text-decoration: none; transition: background-color .25s; }
.st:last-child { border-right: 0; }
.st:hover { background: var(--card); }
.st-v { font: 300 clamp(2.2rem, 3.6vw, 3.2rem)/1 var(--f-serif); letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.st-l { font-size: .84rem; color: var(--ink-3); line-height: 1.4; max-width: 24ch; }
.st-k { font: 500 .72rem var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--on-marker); opacity: .7; }
.st-main { background: var(--marker); color: var(--on-marker); }
.st-main:hover { background: var(--marker); }
.st-main .st-v { font-size: clamp(2.8rem, 5vw, 4.4rem); font-weight: 350; }
.st-main .st-l { color: var(--on-marker); opacity: .75; }
@media (max-width: 1000px) { .stats { grid-template-columns: repeat(2, 1fr); } .st-main { grid-column: 1 / -1; } .st:nth-child(odd):not(.st-main) { border-right: 0; } .st { border-bottom: 1px solid var(--rule); } }

.sec { padding: clamp(64px, 9vw, 130px) 0; position: relative; }
.sec + .sec { border-top: 1px solid var(--rule); }
.sec-alt { background: var(--paper-2); }
.sec-ink { background: var(--inv-bg); color: var(--inv-fg); --rule: rgba(255,255,255,.14); --rule-2: rgba(255,255,255,.22); --ink-3: rgba(236,231,220,.6); --ink-2: rgba(236,231,220,.8); }
.shead { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 32px; align-items: end; margin-bottom: clamp(32px, 5vw, 64px); }
.shead .lead { justify-self: end; }
.shead h2 { margin: 0; max-width: 18ch; }
@media (max-width: 900px) { .shead { grid-template-columns: 1fr; gap: 18px; } .shead .lead { justify-self: start; } }
.slab { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; font: 500 .76rem var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.slab .sym { width: 36px; height: 36px; border-radius: 9px; background: var(--inv-bg); color: var(--inv-fg); box-shadow: inset 0 0 0 1px var(--inv-rule); display: grid; place-items: center; font: 400 1.15rem/1 var(--f-serif); letter-spacing: 0; text-transform: none; }
.sec-ink .slab .sym { background: var(--marker); color: var(--on-marker); }

/* Трактат: зміст сайту як нумеровані положення */
.tract { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); counter-reset: none; }
.tract > li { border-bottom: 1px solid var(--rule); position: relative; transition: background-color .35s; }
.tract > li::before { content: ""; position: absolute; left: 0; top: 18px; bottom: 18px; width: 3px; border-radius: 2px; background: var(--marker); transform: scaleY(0); transition: transform .4s var(--ease); }
.tract > li:hover::before, .tract > li:focus-within::before { transform: scaleY(1); }
.tract-h { display: grid; grid-template-columns: 90px 60px minmax(0, 1fr) auto; align-items: center; gap: 18px; padding: 26px 0 26px 22px; text-decoration: none; position: relative; }
.tract-n { font: 400 clamp(2rem, 4vw, 3.4rem)/1 var(--f-serif); font-variant-numeric: tabular-nums; transition: transform .4s var(--ease); }
.tract > li:hover .tract-n { transform: translateX(6px); }
.tract-s { font: 400 1.9rem/1 var(--f-serif); color: var(--ink-3); transition: color .3s; }
.tract > li:hover .tract-s { color: var(--ink); }
.tract-t { display: grid; gap: 4px; }
.tract-t b { font: 400 clamp(1.4rem, 2.6vw, 2.2rem)/1.15 var(--f-serif); }
.tract-t small { font-size: .95rem; color: var(--ink-2); }
.tract-a { width: 52px; height: 52px; border-radius: 50%; border: 1px solid var(--rule-2); display: grid; place-items: center; font-size: 1.25rem; transition: background-color .3s, border-color .3s, color .3s; }
.tract > li:hover .tract-a { background: var(--marker); border-color: var(--marker); color: var(--on-marker); }
.tract-c { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 0 26px 190px; margin-top: -10px; }
.tract-c a { font-size: .86rem; padding: 6px 12px; border: 1px solid var(--rule); border-radius: 999px; text-decoration: none; color: var(--ink-2); transition: all .2s; }
.tract-c a:hover { border-color: var(--ink); color: var(--ink); background: var(--card); }
.tract-c a i { font-style: normal; font-family: var(--f-mono); font-size: .72rem; color: var(--ink-3); margin-right: 6px; }
@media (max-width: 760px) {
  .tract-h { grid-template-columns: 44px minmax(0, 1fr) auto; gap: 12px; padding: 20px 0 20px 14px; }
  .tract-s { display: none; }
  .tract-a { width: 40px; height: 40px; }
  .tract-c { padding-left: 70px; }
}

.about-g { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(28px, 5vw, 72px); align-items: start; }
.about-g figure { margin: 0; position: sticky; top: calc(var(--hdr) + 24px); }
.about-g figure img { border-radius: 22px; width: 100%; aspect-ratio: 4/5; object-fit: cover; }
@media (max-width: 900px) { .about-g { grid-template-columns: 1fr; } .about-g figure { position: static; max-width: 420px; } }

/* думка дня */
.qday { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 0 32px; align-items: start; }
.qd-k { writing-mode: vertical-rl; transform: rotate(180deg); font: 500 .74rem var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin: 0; grid-row: span 3; }
.qday blockquote { margin: 0; }
.qd-q { font: 300 clamp(1.7rem, 3.6vw, 3rem)/1.22 var(--f-serif); letter-spacing: -.015em; margin: 0; max-width: 26ch; transition: opacity .35s, transform .35s var(--ease); }
.qd-q::before { content: "«"; color: var(--marker); }
.qd-q::after { content: "»"; color: var(--marker); }
.qday.swap .qd-q, .qday.swap .qd-s { opacity: 0; transform: translateY(8px); }
.qd-s { font: .82rem var(--f-mono); color: var(--ink-3); margin-top: 18px; transition: opacity .35s; }
.qd-btns { display: flex; flex-wrap: wrap; gap: 10px; margin: 28px 0 0; }
.sec-ink .btn-line { color: var(--inv-fg); border-color: rgba(255,255,255,.25); }
.sec-ink .btn-line:hover { background: rgba(255,255,255,.08); border-color: var(--inv-fg); }
.sec-ink .btn-ink { background: var(--marker); color: #16181D; }
.sec-ink .btn-ink:hover { background: var(--inv-fg); color: #16181D; }

/* соцмережі */
.socials { list-style: none; padding: 0; margin: 1.4em 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.so { position: relative; display: grid; gap: 4px; padding: 18px; border-radius: 18px; border: 1px solid var(--rule); background: var(--card); text-decoration: none; min-height: 138px; transition: transform .3s var(--ease), border-color .2s; }
.so:hover { transform: translateY(-3px); border-color: var(--ink); }
.so .ic { width: 22px; height: 22px; margin-bottom: 14px; }
.so-n { font-weight: 500; }
.so-v { font-size: .84rem; color: var(--ink-3); overflow-wrap: anywhere; }
.so-v.big { font: 300 1.9rem/1.1 var(--f-serif); color: var(--ink); }
.so .arr { position: absolute; top: 16px; right: 18px; color: var(--ink-3); }
.socials.compact { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.socials.compact .so { min-height: 0; }
@media (max-width: 760px) { .socials, .socials.compact { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* профілі */
.profiles { list-style: none; padding: 0 !important; margin: 1.2em 0 2em; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.profiles li { margin: 0; }
.profiles li::marker { content: none; }
.pf { position: relative; display: grid; gap: 2px; padding: 18px; border-radius: 16px; border: 1px solid var(--rule); background: var(--card); text-decoration: none; color: var(--ink) !important; height: 100%; transition: border-color .2s, transform .3s var(--ease); }
.pf:hover { border-color: var(--ink); transform: translateY(-2px); }
.pf-b { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; background: var(--inv-bg); color: var(--inv-fg); box-shadow: inset 0 0 0 1px var(--inv-rule); font: 600 .8rem var(--f-mono); margin-bottom: 12px; }
.pf-t { font-weight: 500; }
.pf-s { font: .76rem var(--f-mono); color: var(--ink-3); }
.pf .arr { position: absolute; top: 16px; right: 16px; color: var(--ink-3); }

/* наукометрія */
.metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 1.4em 0 2em; border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.metrics > div { padding: 22px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.metrics dt { font: 300 clamp(1.9rem, 3.6vw, 3.2rem)/1.05 var(--f-serif); letter-spacing: -.03em; overflow-wrap: anywhere; }
@media (max-width: 640px) { .metrics dt { font-size: 1.8rem; } }
.metrics dd { margin: 8px 0 0; font-size: .86rem; color: var(--ink-3); }
@media (max-width: 640px) { .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* шлях */
.tl { list-style: none; padding: 0 !important; margin: 2em 0; position: relative; --p: 0; }
.tl::before, .tl::after { content: ""; position: absolute; left: 98px; top: 8px; bottom: 8px; width: 2px; background: var(--rule); }
.tl::after { background: var(--ink); transform-origin: 0 0; transform: scaleY(var(--p)); }
.tl-i { display: grid; grid-template-columns: 80px minmax(0, 1fr); gap: 40px; padding: 0 0 34px; position: relative; margin: 0 !important; }
.tl-i::marker { content: none; }
.tl-i::before { content: ""; position: absolute; left: 92px; top: 7px; width: 14px; height: 14px; border-radius: 50%; background: var(--paper); border: 2px solid var(--rule-2); z-index: 1; transition: background-color .3s, border-color .3s, transform .3s var(--ease); }
.tl-i.passed::before { background: var(--marker); border-color: var(--ink); transform: scale(1.15); }
.tl-y { font: 500 1rem/1.5 var(--f-mono); text-align: right; color: var(--ink-3); transition: color .3s; }
.tl-i.passed .tl-y { color: var(--ink); }
.tl-b h3 { margin: 0 0 4px; }
.tl-b p { margin: 0; color: var(--ink-2); }
.tl-end { position: relative; padding-left: 92px; font-family: var(--f-serif); color: var(--ink-3); margin: 0 !important; }
.tl-end::marker { content: none; }
@media (max-width: 640px) {
  .tl::before, .tl::after { left: 6px; }
  .tl-i { grid-template-columns: 1fr; gap: 4px; padding-left: 34px; }
  .tl-i::before { left: 0; }
  .tl-y { text-align: left; }
  .tl-end { padding-left: 0; }
}

/* відзнаки */
.awards { list-style: none; padding: 0 !important; margin: 1.6em 0; border-top: 1px solid var(--rule); }
.aw { display: grid; grid-template-columns: 90px minmax(0, 1fr) 48px; gap: 24px; padding: 26px 0; border-bottom: 1px solid var(--rule); margin: 0 !important; align-items: start; }
.aw::marker { content: none; }
.aw-y { font: 300 2rem/1 var(--f-serif); }
.aw h3 { margin: 0 0 6px; }
.aw p { margin: 0; color: var(--ink-2); }
.aw-t { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--rule-2); display: grid; place-items: center; font: 1.2rem var(--f-serif); color: var(--seal); }
@media (max-width: 640px) { .aw { grid-template-columns: 1fr; gap: 8px; } .aw-t { display: none; } }

/* доробок */
.wk { list-style: none; padding: 0 !important; margin: 0; border-top: 1px solid var(--rule); }
.wk > li { display: grid; grid-template-columns: 70px minmax(0, 1fr) auto; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--rule); margin: 0 !important; align-items: baseline; transition: opacity .3s; }
.wk > li::marker { content: none; }
.wk > li[hidden] { display: none; }
.wk-y { font: 500 .95rem var(--f-mono); color: var(--ink-3); }
.wk h3 { margin: 0 0 4px; font-size: 1.15rem; }
.wk h3 a { text-decoration: none; color: inherit !important; }
.wk p { margin: 0; color: var(--ink-2); font-size: .94rem; }
@media (max-width: 640px) { .wk > li { grid-template-columns: 1fr; gap: 4px; } .wk .tag { justify-self: start; } }

/* книжкова полиця */
.shelf { margin: 2em 0; }
.shelf-row { display: flex; align-items: flex-end; gap: 6px; overflow-x: auto; padding: 30px 8px 0; scroll-snap-type: x proximity; scrollbar-width: thin; cursor: grab; -webkit-mask-image: linear-gradient(90deg, transparent, #000 24px, #000 calc(100% - 24px), transparent); mask-image: linear-gradient(90deg, transparent, #000 24px, #000 calc(100% - 24px), transparent); }
.shelf-row.drag { cursor: grabbing; scroll-snap-type: none; }
.spine { flex: none; width: 54px; height: var(--h); border: 0; border-radius: 4px 4px 2px 2px; background: var(--c); color: #F6F1E6; display: flex; flex-direction: column; justify-content: space-between; align-items: center; padding: 14px 0 12px; scroll-snap-align: center; transition: transform .35s var(--ease), box-shadow .35s; box-shadow: inset -6px 0 10px -6px rgba(0,0,0,.4), inset 4px 0 0 rgba(255,255,255,.08); position: relative; }
.spine::before { content: ""; position: absolute; left: 0; right: 0; top: 22px; height: 2px; background: rgba(255,255,255,.35); }
.spine span { writing-mode: vertical-rl; transform: rotate(180deg); font: 500 .9rem/1.1 var(--f-serif); max-height: calc(var(--h) - 80px); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.spine small { writing-mode: vertical-rl; transform: rotate(180deg); font: .62rem var(--f-mono); opacity: .75; white-space: nowrap; max-height: 60px; overflow: hidden; }
.spine:hover { transform: translateY(-10px); }
.spine.on { transform: translateY(-26px); box-shadow: 0 18px 30px -12px rgba(0,0,0,.45); }
.shelf-board { height: 14px; border-radius: 3px; background: linear-gradient(var(--rule-2), var(--rule)); box-shadow: 0 10px 20px -12px rgba(0,0,0,.4); }
.shelf-pop { margin-top: 28px; padding: 26px 28px; border-radius: 20px; background: var(--card); border: 1px solid var(--rule); display: grid; grid-template-columns: 1fr auto; gap: 4px 20px; max-width: 760px; }
.shelf-pop.flip { animation: pop .45s var(--ease); }
@keyframes pop { from { opacity: 0; transform: translateY(10px); } }
.sp-a { font: .78rem var(--f-mono); color: var(--ink-3); margin: 0; grid-column: 1; }
.sp-t { margin: 0; grid-column: 1; }
.sp-w { grid-column: 1 / -1; margin: 10px 0 0; color: var(--ink-2); }
.sp-nav { grid-column: 2; grid-row: 1 / 3; display: flex; gap: 8px; }
.sp-nav button { width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--rule); background: transparent; }
.sp-nav button:hover { border-color: var(--ink); }

/* тренажер */
.quiz { max-width: 760px; background: var(--card); border: 1px solid var(--rule); border-radius: 24px; padding: clamp(22px, 4vw, 40px); margin: 1.6em 0; }
.qz-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; font: .8rem var(--f-mono); color: var(--ink-3); }
.qz-dots { display: flex; gap: 6px; }
.qz-dots i { width: 26px; height: 6px; border-radius: 3px; background: var(--rule); transition: background-color .3s; }
.qz-dots i.cur { background: var(--ink-3); }
.qz-dots i.ok { background: #2E8B57; }
.qz-dots i.no { background: var(--seal); }
.qz-body.flip { animation: pop .4s var(--ease); }
.qz-q { font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 400; margin-bottom: 20px; }
.qz-opts { display: grid; gap: 10px; }
.qz-o { display: flex; gap: 14px; align-items: center; text-align: left; padding: 14px 16px; border-radius: 14px; border: 1px solid var(--rule); background: var(--paper); transition: border-color .2s, background-color .2s, transform .2s; }
.qz-o:hover:not(:disabled) { border-color: var(--ink); transform: translateX(3px); }
.qz-o:disabled { cursor: default; }
.qz-l { flex: none; width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; background: var(--paper-2); font: 600 .82rem var(--f-mono); }
.qz-o.right { border-color: #2E8B57; background: color-mix(in srgb, #2E8B57 12%, var(--paper)); }
.qz-o.right .qz-l { background: #2E8B57; color: #fff; }
.qz-o.wrong { border-color: var(--seal); background: color-mix(in srgb, var(--seal) 10%, var(--paper)); }
.qz-o.wrong .qz-l { background: var(--seal); color: #fff; }
.qz-exp { margin: 18px 0 0; padding: 14px 16px; border-left: 3px solid var(--marker); background: var(--paper); border-radius: 0 12px 12px 0; }
.qz-next { margin-top: 18px; }
.qz-score { font: 300 4rem/1 var(--f-serif); margin: 0 0 12px; }

/* мапа тем */
.tmap { position: relative; aspect-ratio: 16 / 10; max-width: 980px; margin: 2em auto; }
.tm-lines { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.tm-lines line { stroke: var(--rule-2); stroke-width: 1.2; vector-effect: non-scaling-stroke; opacity: 0; transition: stroke .3s, stroke-width .3s, opacity .9s var(--ease); }
.tmap.in .tm-lines line { opacity: 1; }
.tmap.in .tm-lines line:nth-child(3n) { transition-delay: .2s; }
.tmap.in .tm-lines line:nth-child(3n+1) { transition-delay: .45s; }
.tm-lines line.hot { stroke: var(--ink); stroke-width: 2.4; }
.tm-n { position: absolute; left: var(--x); top: var(--y); translate: -50% -50%; padding: 10px 16px; border-radius: 999px; background: var(--card); border: 1px solid var(--rule-2); text-decoration: none; font-size: .9rem; font-weight: 500; white-space: nowrap; transition: background-color .25s, opacity .3s, transform .3s var(--ease), border-color .25s; opacity: 0; transform: scale(.8); }
.tmap.in .tm-n { opacity: 1; transform: none; transition-delay: calc(var(--i) * 80ms); }
.tm-n.core { background: var(--inv-bg); color: var(--inv-fg); font: 400 1.3rem var(--f-serif); padding: 14px 26px; }
.tm-n.hot { background: var(--marker); color: var(--on-marker); border-color: var(--marker); transform: scale(1.08); transition-delay: 0s; }
.tmap.in .tm-n.dim { opacity: .35; transition-delay: 0s; }
.tm-desc { position: absolute; left: 0; right: 0; bottom: -44px; text-align: center; color: var(--ink-3); font-size: .92rem; }
@media (max-width: 760px) {
  .tmap { aspect-ratio: auto; display: flex; flex-wrap: wrap; gap: 8px; }
  .tm-lines, .tm-desc { display: none; }
  .tm-n { position: static; translate: none; opacity: 1; transform: none; white-space: normal; }
}

/* галерея */
.gal { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 120px; gap: 14px; margin: 1.6em 0; }
.gal-i { position: relative; padding: 0; border: 0; border-radius: 18px; overflow: hidden; background: var(--paper-2); cursor: zoom-in; }
.gal-i img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.gal-i:hover img { transform: scale(1.04); }
.gal-c { position: absolute; left: 12px; bottom: 12px; padding: 5px 10px; border-radius: 999px; background: rgba(18,19,23,.6); color: #fff; font-size: .76rem; backdrop-filter: blur(6px); opacity: 0; transform: translateY(6px); transition: all .3s; }
.gal-i:hover .gal-c, .gal-i:focus-visible .gal-c { opacity: 1; transform: none; }
.g1 { grid-column: span 5; grid-row: span 4; } .g2 { grid-column: span 7; grid-row: span 3; } .g3 { grid-column: span 4; grid-row: span 3; }
.g4 { grid-column: span 3; grid-row: span 3; } .g5 { grid-column: span 5; grid-row: span 4; } .g6 { grid-column: span 7; grid-row: span 3; }
@media (max-width: 760px) { .gal { grid-template-columns: 1fr 1fr; grid-auto-rows: 160px; } .gal-i { grid-column: span 1 !important; grid-row: span 2 !important; } .g2, .g6 { grid-column: span 2 !important; grid-row: span 2 !important; } .gal-c { opacity: 1; transform: none; } }
.lb { border: 0; padding: 0; background: transparent; max-width: min(94vw, 1100px); max-height: 92vh; }
.lb::backdrop { background: rgba(10,10,12,.86); backdrop-filter: blur(4px); }
.lb img { max-height: 84vh; width: auto; margin: 0 auto; border-radius: 14px; }
.lb p { color: #eee; text-align: center; font-size: .9rem; margin: 12px 0 0; }
.lb-x { position: fixed; top: 16px; right: 16px; width: 46px; height: 46px; border-radius: 50%; border: 1px solid rgba(255,255,255,.3); background: rgba(0,0,0,.4); color: #fff; font-size: 1.4rem; }

/* книги */
.book { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(28px, 6vw, 80px); align-items: center; }
.book-3d { perspective: 1400px; display: grid; place-items: center; padding: 30px 0; }
.book-3d .bk { position: relative; width: min(78%, 330px); aspect-ratio: 520 / 733; transform-style: preserve-3d; transform: rotateY(-24deg) rotateX(4deg); transition: transform .9s var(--ease); }
.book-3d:hover .bk { transform: rotateY(-8deg) rotateX(2deg); }
.bk img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: 3px 8px 8px 3px; box-shadow: 30px 40px 60px -30px rgba(0,0,0,.55); backface-visibility: hidden; }
.bk .sp { position: absolute; top: 0; left: 0; height: 100%; width: 40px; transform-origin: 0 50%; transform: rotateY(90deg) translateX(-40px); }
.bk .sp img { border-radius: 3px 0 0 3px; box-shadow: none; }
.bk::after { content: ""; position: absolute; inset: 0; border-radius: 3px 8px 8px 3px; background: linear-gradient(90deg, rgba(0,0,0,.18), transparent 6%, rgba(255,255,255,.12) 7%, transparent 12%); pointer-events: none; }
.book .meta { font: .8rem/1.6 var(--f-mono); color: var(--ink-3); }
@media (max-width: 860px) { .book { grid-template-columns: 1fr; } }
.pages { display: flex; gap: 14px; overflow-x: auto; padding: 8px 2px 18px; scroll-snap-type: x mandatory; margin: 1.4em 0; }
.pages button { flex: none; width: 200px; padding: 0; border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; background: #fff; scroll-snap-align: start; cursor: zoom-in; transition: transform .3s var(--ease), box-shadow .3s; }
.pages button:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.pages button span { display: block; padding: 6px 10px; font: .72rem var(--f-mono); color: #555; border-top: 1px solid #eee; text-align: left; }
.toc13 { columns: 2; column-gap: 40px; list-style: none; padding: 0 !important; counter-reset: t; }
.toc13 li { break-inside: avoid; display: flex; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--rule); margin: 0 !important; }
.toc13 li::marker { content: none; }
.toc13 li::before { counter-increment: t; content: counter(t, decimal-leading-zero); font: 500 .82rem/1.9 var(--f-mono); color: var(--ink-3); }
@media (max-width: 700px) { .toc13 { columns: 1; } }

/* пошта / візитка */
.mailrow { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.mail { font: 400 clamp(1.3rem, 2.8vw, 2.2rem)/1.2 var(--f-serif); color: var(--ink) !important; text-decoration-color: var(--marker); text-decoration-thickness: 3px; overflow-wrap: anywhere; }
.copied::after { content: " ✓"; }
.vcard { display: flex; gap: 22px; align-items: center; padding: 20px; border: 1px solid var(--rule); border-radius: 20px; background: var(--card); max-width: 520px; }
.vcard svg { width: 132px; height: 132px; flex: none; background: #fff; padding: 8px; border-radius: 10px; }
.vcard p { font-size: .9rem; color: var(--ink-2); }

/* наступний розділ */
.next { border-top: 1px solid var(--rule); }
.next a { display: grid; grid-template-columns: 1fr auto; gap: 8px 24px; align-items: center; padding: clamp(36px, 6vw, 70px) 0; text-decoration: none; }
.next small { font: .78rem var(--f-mono); color: var(--ink-3); letter-spacing: .08em; text-transform: uppercase; }
.next b { grid-column: 1; font: 400 clamp(1.7rem, 4vw, 3.2rem)/1.1 var(--f-serif); }
.next .arr { grid-column: 2; grid-row: 1 / 3; width: 72px; height: 72px; border-radius: 50%; border: 1px solid var(--rule-2); display: grid; place-items: center; font-size: 1.6rem; transition: background-color .3s, transform .4s var(--ease); }
.next a:hover .arr { background: var(--marker); border-color: var(--marker); color: var(--on-marker); transform: translateX(8px); }

/* ---------- підвал ---------- */
.ftr { background: var(--inv-bg); color: var(--inv-fg); padding: clamp(56px, 8vw, 100px) 0 28px; --rule: rgba(255,255,255,.14); --ink-3: rgba(236,231,220,.55); }
.ftr-top { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 40px; padding-bottom: 48px; border-bottom: 1px solid var(--rule); }
.ftr h2 { font-size: clamp(1.8rem, 3.4vw, 2.8rem); max-width: 14ch; }
.ftr h2 em { color: var(--marker); font-style: italic; }
.ftr h3 { font: 500 .74rem var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 16px; }
.ftr ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.ftr a { text-decoration: none; color: rgba(236,231,220,.86); }
.ftr a:hover { color: var(--marker); }
.ftr .btn-ink { background: var(--marker); color: #16181D; }
.ftr-bot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; padding-top: 24px; font-size: .84rem; color: var(--ink-3); }
.ftr-sym { font: 1.2rem var(--f-serif); letter-spacing: .35em; color: rgba(236,231,220,.4); }
@media (max-width: 900px) { .ftr-top { grid-template-columns: 1fr 1fr; gap: 28px 20px; } .ftr-top > :first-child { grid-column: 1 / -1; } }
@media (max-width: 600px) { .ftr ul { gap: 6px; font-size: .9rem; } .ftr ul[style] { margin-bottom: 18px !important; } .ftr h3 { margin-bottom: 10px; } }

.totop { position: fixed; right: 18px; bottom: 18px; z-index: 40; width: 52px; height: 52px; border-radius: 50%; border: 0; background: var(--card); box-shadow: var(--shadow); display: grid; place-items: center; opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity .3s, transform .3s var(--ease); }
.totop.show { opacity: 1; transform: none; pointer-events: auto; }
.totop svg { position: absolute; inset: 0; width: 52px; height: 52px; transform: rotate(-90deg); }
.totop circle { fill: none; stroke-width: 2.5; }
.totop .bg { stroke: var(--rule); }
.totop .fg { stroke: var(--ink); stroke-dasharray: 150.8; stroke-dashoffset: 150.8; }

/* записи блогу */
.posts { display: grid; gap: 0; border-top: 1px solid var(--rule); }
.post-i { display: grid; grid-template-columns: 140px 1fr; gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--rule); text-decoration: none; }
.post-i time { font: .82rem var(--f-mono); color: var(--ink-3); }
.post-i h2 { font-size: 1.6rem; margin: 0 0 6px; }
.post-i p { color: var(--ink-2); margin: 0; }

/* ---------- анімації прокрутки ---------- */
.js .rv { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js .rv.in { opacity: 1; transform: none; }
.js .split .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .08em; margin-bottom: -.08em; }
.js .split .w > span { display: inline-block; transform: translateY(105%); transition: transform .9s var(--ease); }
.js .split.in .w > span { transform: none; }
.no-motion *, .no-motion *::before, .no-motion *::after { animation: none !important; transition: none !important; }
.no-motion .rv { opacity: 1 !important; transform: none !important; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .js .rv { opacity: 1; transform: none; }
  mark, .mk { background-size: 100% 100%; }
}
@media print { .hdr, .ftr, .totop, .progress, .toc, canvas { display: none !important; } body { background: #fff; color: #000; } }

/* темні секції: картки й пошта */
.sec-ink .mail { color: #ECE7DC !important; }
.sec-ink .so, .sec-ink .card:not(.marker):not(.dark) { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.14); color: #ECE7DC; }
.sec-ink .so:hover { border-color: var(--marker); }
.sec-ink .so-v.big { color: #ECE7DC; }
.sec-ink .btn-line.btn-sm { color: #ECE7DC; }

/* суфікси цифр (+, млн) — гротеском, щоб «+» не був схожий на †  */
.suf { font-family: var(--f-sans); font-size: .5em; font-weight: 400; letter-spacing: 0; margin-left: .08em; vertical-align: .55em; }
.st-v .suf, .metrics dt .suf { font-size: .42em; }
.so-v.big .suf { font-size: .7em; vertical-align: 0; }
@media (max-width: 640px) { .metrics > div:last-child:nth-child(odd) { grid-column: span 2; } }