/* isozyesil.com — v2 editorial (EN/RU). Source Serif 4 + Inter, both with Cyrillic. */
:root {
  --paper: #faf8f4;
  --surface: #ffffff;
  --tint: #f2efe8;
  --ink: #151a24;
  --ink-2: #3f4756;
  --muted: #5f6673;        /* 5.4:1 on paper */
  --line: #e3dfd6;
  --line-2: #cfc9bd;
  --navy: #1b365d;
  --navy-2: #12284a;
  --gold: #a67c2e;         /* rules and marks only */
  --gold-text: #8a6420;    /* 5.0:1 on paper — for small text */
  --max: 1120px;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Inter", "Segoe UI", system-ui, sans-serif;
  --sec-y: clamp(3.75rem, 8vw, 6rem);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1.0625rem/1.7 var(--sans); overflow-x: hidden;
  -webkit-font-smoothing: antialiased; font-feature-settings: "kern", "liga"; }
img, svg, video { max-width: 100%; display: block; }
a { color: var(--navy); text-decoration-thickness: 1px; text-underline-offset: .22em; }
a:hover { color: var(--navy-2); }
:focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; border-radius: 2px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 1rem; top: 1rem; z-index: 100; background: var(--surface); padding: .5rem .75rem; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
@media (max-width: 480px) { .wrap { width: calc(100% - 32px); } }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; color: var(--ink); text-wrap: balance; }
h3 { text-wrap: pretty; }
p { text-wrap: pretty; }
::selection { background: #d9e1ee; }

/* small-caps label used for eyebrows, panel titles, strip labels */
.eyebrow, .glance h2, .clients-h, .ftr-small {
  font: 600 .74rem/1.3 var(--sans); letter-spacing: .13em; text-transform: uppercase; }

/* header */
.hdr { position: sticky; top: 0; z-index: 50; background: rgba(250, 248, 244, .9); backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px); border-bottom: 1px solid transparent; transition: border-color .25s; }
.hdr.is-scrolled { border-bottom-color: var(--line); }
.nav { display: flex; align-items: center; gap: 1.5rem; height: 72px; }
.brand { font: 600 1.1rem/1 var(--serif); color: var(--ink); text-decoration: none; margin-right: auto; letter-spacing: -.005em;
  min-height: 44px; display: inline-flex; align-items: center; white-space: nowrap; }
.nav-links { display: flex; gap: 1.75rem; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--ink-2); text-decoration: none; font-size: .92rem; font-weight: 500; display: inline-flex; align-items: center; min-height: 44px; }
.nav-links a:hover { color: var(--navy); }
.lang { display: flex; gap: .1rem; font-size: .84rem; }
.lang a { color: var(--muted); text-decoration: none; padding: 0 .45rem; min-height: 44px; min-width: 36px; display: inline-flex; align-items: center; justify-content: center;
  letter-spacing: .04em; font-weight: 500; }
.lang a[aria-current="true"] { color: var(--ink); font-weight: 600; box-shadow: inset 0 -2px 0 var(--gold); }
.lang a:hover { color: var(--ink); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; min-height: 48px; padding: .75rem 1.35rem;
  border-radius: 3px; border: 1px solid var(--line-2); color: var(--ink); background: var(--surface); text-decoration: none;
  font: 500 .95rem/1.1 var(--sans); cursor: pointer; transition: background .2s, border-color .2s, color .2s, box-shadow .2s; }
.btn:hover { border-color: var(--ink); color: var(--ink); }
.btn-primary { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-2); border-color: var(--navy-2); color: #fff; }
.btn svg { width: 18px; height: 18px; flex: none; }
.nav .btn { min-height: 44px; padding: .5rem 1rem; font-size: .88rem; }
@media (max-width: 880px) { .nav-links { display: none; } .nav { gap: .5rem; } }
@media (max-width: 480px) { .nav .btn span { display: none; } .nav .btn { padding: .5rem .8rem; min-width: 44px; } .nav .btn svg { margin: 0; } }

/* hero */
.hero { padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(3rem, 7vw, 5rem); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); grid-template-areas: "head video" "body video"; column-gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero-head { grid-area: head; align-self: end; }
.hero-body { grid-area: body; align-self: start; }
.hero-video { grid-area: video; }
@media (max-width: 880px) { .hero-grid { grid-template-columns: 1fr; grid-template-areas: "head" "video" "body"; row-gap: 1.6rem; } .hero-head h1 { margin-bottom: 0; } }
.eyebrow { color: var(--gold-text); margin: 0 0 1.3rem; display: flex; align-items: center; gap: .8rem; }
.eyebrow::before { content: ""; width: 2rem; height: 1px; background: var(--gold); flex: none; }
.hero h1 { font-size: clamp(2.6rem, 6.6vw, 4.9rem); line-height: 1.02; letter-spacing: -.025em; margin: 0 0 1.5rem; max-width: 12ch; }
.lead { font: 400 clamp(1.15rem, 1.9vw, 1.38rem)/1.55 var(--serif); color: var(--ink-2); margin: 0 0 2.2rem; max-width: 30em; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; }
  box-shadow: 0 1px 0 rgba(21, 26, 36, .03); }

/* clients strip */
.clients { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 1.3rem 0; }
.clients .wrap { display: flex; flex-wrap: wrap; align-items: baseline; gap: .5rem 1.5rem; }
.clients-h { color: var(--muted); flex: none; margin: 0; padding-right: .5rem; }
.clients ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .35rem 1.9rem; flex: 1 1 36rem; }
.clients li { font: 500 1.02rem/1.4 var(--serif); color: var(--ink-2); white-space: nowrap; }
@media (max-width: 640px) { .clients .wrap { gap: .6rem; } .clients ul { gap: .2rem 1.2rem; } .clients li { font-size: .98rem; } }

/* sections */
.sec { padding: var(--sec-y) 0; }
.sec + .sec { border-top: 1px solid var(--line); }
.sec.tint { background: var(--tint); border-top: 0; }
.sec.tint + .sec { border-top: 0; }
.sec-head { margin-bottom: 2.25rem; max-width: 720px; }
.sec h2 { font-size: clamp(1.8rem, 3.6vw, 2.4rem); line-height: 1.12; letter-spacing: -.018em; margin: 0 0 .55rem; }
.sec-head p { color: var(--ink-2); margin: 0; max-width: 40em; }
.sec-sub { margin: 4rem 0 1.4rem; }
.sec-sub h2 { font-size: 1.3rem; letter-spacing: -.01em; margin: 0; }
.cols { display: grid; grid-template-columns: 16rem minmax(0, 1fr); gap: clamp(1.5rem, 5vw, 4.5rem); }
.cols .sec-head { margin-bottom: 0; }
@media (max-width: 880px) { .cols { grid-template-columns: 1fr; gap: 1.6rem; } }
.prose p { margin: 0 0 1.1rem; color: var(--ink-2); max-width: 40em; }
.prose p:last-child { margin-bottom: 0; }

/* video */
.video-frame { border: 1px solid var(--line); background: #e9e5dc; aspect-ratio: 16 / 9; }
.video-frame video { width: 100%; height: 100%; object-fit: cover; }
.video-meta { margin-top: .9rem; color: var(--muted); font-size: .9rem; }
.video-meta a { color: var(--ink-2); }

/* current roles */
.roles2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; margin-top: 2.75rem; }
@media (max-width: 720px) { .roles2 { grid-template-columns: 1fr; } }
.role { background: var(--surface); border: 1px solid var(--line); padding: 1.5rem 1.75rem 1.6rem; display: grid; }
.role .since { font-size: .84rem; color: var(--muted); order: 2; margin-top: .1rem; }
.role h3 { font-size: 1.4rem; line-height: 1.2; margin: 0 0 .15rem; letter-spacing: -.01em; order: 0; }
.role .pos { color: var(--ink-2); font-size: .97rem; order: 1; }
.tags { list-style: none; padding: 0; margin: 1rem 0 0; display: flex; flex-wrap: wrap; gap: .15rem 0; order: 3; padding-top: .9rem; border-top: 1px solid var(--line); }
.tags li { font-size: .9rem; color: var(--ink-2); }
.tags li:not(:last-child)::after { content: "·"; color: var(--line-2); margin: 0 .55rem; }

/* results */
.results { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
@media (max-width: 880px) { .results { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.result { padding: 1.5rem 1.4rem 1rem 0; }
.result + .result { border-left: 1px solid var(--line); padding-left: 1.4rem; }
@media (max-width: 880px) { .result:nth-child(3) { border-left: 0; padding-left: 0; } .result:nth-child(n + 3) { border-top: 1px solid var(--line); } }
.result b { display: block; font: 600 clamp(2.1rem, 4.2vw, 3rem)/1 var(--serif); color: var(--navy); letter-spacing: -.025em; font-variant-numeric: lining-nums; }
.result span { display: block; margin-top: .65rem; color: var(--ink-2); font-size: .92rem; line-height: 1.45; max-width: 16em; text-wrap: pretty; }

/* experience */
.xp { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-2); }
.xp li { display: grid; grid-template-columns: 9.5rem minmax(0, 1fr); gap: 1.5rem; padding: 1.4rem 0; border-bottom: 1px solid var(--line); }
@media (max-width: 640px) { .xp li { grid-template-columns: 1fr; gap: .25rem; padding: 1.2rem 0; } }
.xp .when { color: var(--muted); font-size: .9rem; font-variant-numeric: tabular-nums; padding-top: .2rem; white-space: nowrap; }
.xp h3 { font-size: 1.18rem; margin: 0; line-height: 1.3; }
.xp .co { color: var(--navy); font-weight: 500; font-size: .95rem; margin-top: .1rem; }
.xp p { margin: .4rem 0 0; color: var(--ink-2); font-size: .97rem; max-width: 60em; }
.edu { margin-top: 1.4rem; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
@media (max-width: 720px) { .edu { grid-template-columns: 1fr; gap: 1rem; } }
.edu div { border-left: 2px solid var(--gold); padding-left: 1rem; }
.edu b { display: block; font: 600 1.02rem/1.35 var(--serif); margin-bottom: .15rem; }
.edu span { color: var(--muted); font-size: .9rem; line-height: 1.5; display: block; }

/* expertise */
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2.4rem 2.6rem; }
@media (max-width: 880px) { .grid3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .grid3 { grid-template-columns: 1fr; gap: 1.8rem; } }
.item h3 { font-size: 1.15rem; margin: 0 0 .5rem; padding-top: .9rem; border-top: 2px solid var(--navy); display: inline-block; line-height: 1.3; }
.item p { margin: 0; color: var(--ink-2); font-size: .97rem; }
.projects { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
@media (max-width: 720px) { .projects { grid-template-columns: 1fr; } }
.project { background: var(--surface); border: 1px solid var(--line); padding: 1.4rem 1.6rem 1.5rem; display: grid; }
.project h3 { font-size: 1.2rem; margin: 0 0 .15rem; order: 0; }
.project h3 a { text-decoration-color: var(--line-2); }
.project h3 a:hover { text-decoration-color: currentColor; }
.project .since { font-size: .84rem; color: var(--muted); order: 1; }
.project p { margin: .6rem 0 0; color: var(--ink-2); font-size: .97rem; order: 2; }

/* cv */
.cvs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; max-width: 760px; }
@media (max-width: 600px) { .cvs { grid-template-columns: 1fr; } }
.cv { display: flex; align-items: center; gap: 1.1rem; padding: 1.1rem 1.3rem; background: var(--surface); border: 1px solid var(--line);
  text-decoration: none; color: var(--ink); transition: border-color .2s, box-shadow .2s; min-height: 44px; }
a.cv:hover { border-color: var(--navy); color: var(--ink); box-shadow: inset 0 0 0 1px var(--navy); }
.cv-doc { width: 40px; height: 50px; flex: none; border: 1px solid var(--line-2); display: grid; place-items: center; font: 600 .7rem/1 var(--sans);
  letter-spacing: .04em; color: var(--navy); background: var(--paper); position: relative; }
.cv-doc::after { content: ""; position: absolute; top: -1px; right: -1px; border-style: solid; border-width: 0 9px 9px 0; border-color: var(--surface) var(--surface) var(--line-2) var(--line-2); }
.cv b { display: block; font: 600 1.05rem/1.3 var(--serif); }
.cv span.m { color: var(--muted); font-size: .85rem; }
.cv svg { margin-left: auto; width: 20px; height: 20px; color: var(--navy); }
.cv.is-pending { opacity: .55; }

/* writing */
.posts { border-top: 1px solid var(--line-2); }
.post { display: grid; grid-template-columns: 8rem minmax(0, 1fr); gap: 1.5rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line); text-decoration: none; color: var(--ink); }
.post time { color: var(--muted); font-size: .88rem; font-variant-numeric: tabular-nums; padding-top: .2rem; }
.post b { font: 600 1.1rem/1.35 var(--serif); }
.post span { display: block; color: var(--ink-2); font-size: .95rem; }
.post:hover b { color: var(--navy); text-decoration: underline; text-underline-offset: .2em; text-decoration-thickness: 1px; }
@media (max-width: 600px) { .post { grid-template-columns: 1fr; gap: .15rem; } }

/* contact */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 2.5rem; align-items: start; }
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; gap: 2rem; } }
.links { border-top: 1px solid var(--line-2); }
.link-row { display: flex; align-items: center; gap: 1rem; padding: .95rem .2rem; min-height: 56px; border-bottom: 1px solid var(--line); text-decoration: none; color: var(--ink); }
.link-row svg { width: 20px; height: 20px; color: var(--navy); flex: none; }
.link-row b { font-weight: 500; min-width: 6rem; }
.link-row span { color: var(--ink-2); margin-left: auto; text-align: right; overflow-wrap: anywhere; min-width: 0; font-size: .97rem; }
.link-row:hover span { color: var(--navy); text-decoration: underline; text-underline-offset: .22em; text-decoration-thickness: 1px; }
.qr-card { background: var(--surface); border: 1px solid var(--line); padding: 1.5rem; display: flex; gap: 1.4rem; align-items: center; text-decoration: none; color: var(--ink);
  transition: border-color .2s, box-shadow .2s; }
.qr-card img { width: 112px; flex: none; }
.qr-card b { display: block; font: 600 1.1rem/1.3 var(--serif); margin-bottom: .3rem; }
.qr-card span { color: var(--ink-2); font-size: .92rem; display: block; }
.qr-card:hover { border-color: var(--navy); color: var(--ink); box-shadow: inset 0 0 0 1px var(--navy); }

/* footer */
.ftr { border-top: 1px solid var(--line); padding: 2.25rem 0 3rem; color: var(--muted); font-size: .88rem; }
.ftr-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 1rem 2rem; }
.ftr-row > div { min-width: 0; display: flex; flex-wrap: wrap; gap: 0 .25rem; }
.ftr-row > div:first-child a { padding: .55rem .5rem .55rem 0; margin-right: .5rem; }
.ftr a { color: var(--ink-2); text-decoration: none; overflow-wrap: anywhere; display: inline-flex; align-items: center; min-height: 44px; }
.ftr a:hover { color: var(--navy); text-decoration: underline; text-underline-offset: .22em; }
.ftr-small { color: var(--muted); letter-spacing: .08em; }

/* article pages */
.page-hero { padding: clamp(3rem, 7vw, 5.5rem) 0 1.5rem; }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1.08; letter-spacing: -.022em; margin: 0 0 1rem; max-width: 20ch; }
.page-hero p { color: var(--ink-2); font: 400 1.2rem/1.6 var(--serif); max-width: 36em; margin: 0; }
.page-hero + .sec { padding-top: 1.5rem; }
.article { max-width: 700px; padding-bottom: 4rem; }
.article h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.1; letter-spacing: -.02em; margin: .6rem 0 .8rem; }
.article h2 { font-size: 1.5rem; margin: 2.4rem 0 .6rem; }
.article p, .article li { color: var(--ink-2); font: 400 1.12rem/1.75 var(--serif); }
.article .meta { font: 400 .9rem/1 var(--sans); color: var(--muted); }
.article .eyebrow { margin-bottom: .4rem; }

/* reveal (subtle) */
.rv { opacity: 0; transform: translateY(10px); transition: opacity .6s ease, transform .6s ease; }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }
@media print { .hdr, .ftr, .video-frame, .video-meta, .qr-card { display: none; } body { background: #fff; } .sec { padding: 1.5rem 0; } }


/* hero video */
.hero-video { margin: 0; }
.hero-video .video-frame { position: relative; box-shadow: 0 1px 2px rgba(21,26,36,.05), 0 18px 40px -12px rgba(21,26,36,.18); }
.hero-video .video-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .3rem 1rem; }
.play { display: none; }
.js .play { display: block; position: absolute; inset: 0; border: 0; padding: 0; margin: 0; background: transparent; cursor: pointer; }
.js .play span { position: absolute; left: 18px; bottom: 18px; display: inline-flex; align-items: center; gap: .55rem; padding: .7rem 1.1rem .7rem .9rem;
  background: var(--navy); color: #fff; border-radius: 999px; font: 500 .95rem/1 var(--sans); box-shadow: 0 6px 18px rgba(18,40,74,.3);
  transition: background .2s ease, transform .2s ease; }
.js .play svg { width: 18px; height: 18px; }
.js .play:hover span, .js .play:focus-visible span { background: var(--navy-2); transform: translateY(-1px); }
.js .is-playing .play { display: none; }
.hero-alt { margin: 1.1rem 0 0; font-size: .95rem; }
.hero-alt a { color: var(--ink-2); }
@media (max-width: 600px) { .js .play span { left: 12px; bottom: 12px; font-size: .88rem; } }

/* at a glance: facts band under the hero */
.glance { border-top: 1px solid var(--line); background: var(--surface); padding: 1.6rem 0 1.4rem; }
.glance h2 { color: var(--muted); margin: 0 0 1rem; }
.glance dl { margin: 0; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 1rem 1.6rem; }
.glance dl > div { border-left: 2px solid var(--line); padding-left: .9rem; }
.glance dt { color: var(--muted); font-size: .8rem; margin-bottom: .2rem; }
.glance dd { margin: 0; font-size: .92rem; color: var(--ink); line-height: 1.4; text-wrap: pretty; }
@media (max-width: 1080px) { .glance dl { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 600px) { .glance dl { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .9rem 1rem; } }

@media (max-width: 880px) { .hero-body [data-play] { display: none; } }

/* header social icons */
.hdr-social { display: flex; align-items: center; gap: .1rem; }
.hdr-social a { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; color: var(--ink-2); transition: background .2s, color .2s; }
.hdr-social a:hover, .hdr-social a:focus-visible { background: var(--tint); color: var(--navy); }
.hdr-social svg { width: 19px; height: 19px; }
@media (max-width: 880px) { .hdr-social a { width: 40px; height: 40px; } }
@media (max-width: 600px) {
  .nav { gap: .25rem; }
  .brand { font-size: 1rem; line-height: 1.15; max-width: 7.6em; white-space: normal; flex: 0 1 auto; min-width: 0; }
  .hdr-social { margin-left: auto; }
  .nav > .btn-primary { display: none; }
  .lang a { padding-inline: .4rem; }
}

/* iGaming coverage grid */
.igaming { margin-top: clamp(2.5rem, 5vw, 3.5rem); }
.igaming .sec-sub p { color: var(--ink-2); margin: .4rem 0 0; }
.ig-grid { margin: 1.4rem 0 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line-2); }
.ig-grid > div { padding: 1.1rem 1.2rem 1.2rem 0; border-bottom: 1px solid var(--line); }
.ig-grid > div + div { padding-left: 1.2rem; border-left: 1px solid var(--line); }
.ig-grid > div:nth-child(4n + 1) { padding-left: 0; border-left: 0; }
.ig-grid dt { font: 600 1.05rem/1.3 var(--serif); color: var(--navy); margin-bottom: .3rem; }
.ig-grid dd { margin: 0; color: var(--ink-2); font-size: .93rem; line-height: 1.5; }
@media (max-width: 880px) {
  .ig-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ig-grid > div:nth-child(4n + 1) { padding-left: 1.2rem; border-left: 1px solid var(--line); }
  .ig-grid > div:nth-child(2n + 1) { padding-left: 0; border-left: 0; }
}
@media (max-width: 480px) { .ig-grid { grid-template-columns: 1fr; } .ig-grid > div { padding-left: 0 !important; border-left: 0 !important; } }