/* Swiss-style layout: full-width 12-column grid, one typeface (Manrope), black on white,
   red only for focus, hover and the active section. No boxes, pills or rules
   unless something must be set apart. */

/* ---------- Tokens ---------- */
:root {
  --bg: #ffffff;
  --ink: #111111;
  --muted: #6e6e6e;
  --faint: #ededed;          /* image placeholders only */
  --accent: #f25c05;         /* orange accent (Gleb, 13.10) */
  --ph: #9a9a9a;             /* setup-mode placeholders */

  --sans: "Manrope", system-ui, sans-serif;
  --gutter: clamp(16px, 2.6vw, 40px);
  --col-gap: clamp(16px, 2vw, 32px);
  --header-h: 60px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--head-total, var(--header-h)) + 16px); -webkit-text-size-adjust: 100%; }
html:has(dialog[open]) { overflow: hidden; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 17px/1.45 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img, video, iframe { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, p, dl, dd, figure { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
svg { width: .85em; height: .85em; flex: none; }
::selection { background: var(--ink); color: var(--bg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.wrap { width: 100%; padding-inline: var(--gutter); }
.grid12 { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--col-gap); }
.num { font-variant-numeric: tabular-nums; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--muted); }

.link { display: inline-flex; align-items: baseline; gap: .3em; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .2em; }
.link:hover { color: var(--accent); }
.link--strong { font-weight: 600; }

.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--ink); color: var(--bg); padding: 10px 16px; }
.skip-link:focus { top: 12px; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: var(--bg); box-shadow: 0 1px 0 var(--bg); /* covers sub-pixel seams */ }
/* page scrolls under Safari's translucent top bar on iOS: paint the area above the header */
.site-header::before { content: ""; position: absolute; left: 0; right: 0; bottom: 100%; height: 100vh; background: var(--bg); pointer-events: none; }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
/* name + title that slides in above the nav after the intro heading leaves the screen */
.site-header__id { display: grid; grid-template-rows: 0fr; opacity: 0; text-decoration: none; transition: grid-template-rows .25s var(--ease), opacity .2s var(--ease); }
.site-header__id > div { min-height: 0; overflow: hidden; }
.site-header__id-inner { display: grid; padding-top: 14px; padding-bottom: 4px; font-size: 22px; font-weight: 700; line-height: 1.1; letter-spacing: -.02em; }
.site-header__title { color: var(--muted); }
.is-scrolled { --head-total: calc(var(--header-h) + 66px); }
.is-scrolled .site-header__id { grid-template-rows: 1fr; opacity: 1; }
.head-contacts { display: flex; align-items: center; gap: clamp(14px, 2vw, 28px); }
.head-contacts a { display: inline-flex; align-items: center; gap: .45em; text-decoration: none; }
.head-contacts a:hover { color: var(--accent); }
.head-contacts svg { width: 18px; height: 18px; }
.head-contacts__mail { display: inline-flex; align-items: center; gap: .5em; }
.head-contacts__copy { display: inline-flex; padding: 2px; color: var(--muted); cursor: pointer; }
.head-contacts__copy:hover, .head-contacts__copy:focus-visible { color: var(--accent); }
.head-contacts__copy svg { width: 18px; height: 18px; }
@media (max-width: 760px) { .head-contacts__text { display: none; } }
/* desktop shows the address itself, so the envelope icon is only needed on phones */
@media (min-width: 761px) { .head-contacts__mail > a svg { display: none; } }
.nav { display: flex; gap: clamp(16px, 2.5vw, 36px); }
.nav a { text-decoration: none; }
.nav a:hover, .nav a[aria-current] { color: var(--accent); }
@media (max-width: 560px) { .nav li:not(:last-child) { display: none; } }

/* ---------- Placeholders (setup mode only) ---------- */
.ph-inline { display: inline-block; padding: 0 .35em; border: 1px dashed var(--ph); color: var(--ph); font-size: .85em; font-weight: 400; letter-spacing: 0; }
.ph-media { position: absolute; inset: 0; display: grid; place-content: center; gap: 4px; text-align: center; padding: 16px; color: var(--ph); background: var(--faint); }
.ph-media__label { font-weight: 600; }
.ph-media code, .setup code { font: inherit; font-size: 12px; }

#setup-bar { background: var(--ink); color: var(--bg); font-size: 14px; }
.setup summary { cursor: pointer; padding: 10px var(--gutter); }
.setup__body { padding: 0 var(--gutter) 14px; }
.setup__body ul { columns: 2 320px; column-gap: 32px; margin-bottom: 8px; }
.setup__body li { padding: 2px 0; break-inside: avoid; }
.setup__body li.ok { opacity: .55; text-decoration: line-through; }

/* ---------- Intro ---------- */
.intro { padding-block: clamp(8px, 1.5vw, 24px) 0; }
.intro__name {
  display: grid; font-size: clamp(40px, 7.5vw, 128px); line-height: .95; font-weight: 700; letter-spacing: -.045em;
  margin-left: -.03em; text-wrap: balance;
}
.intro__title { color: var(--muted); }
.intro__grid { row-gap: 16px; align-items: start; }
.intro__main { grid-column: 1 / span 8; grid-row: 1; }
.intro__side { display: contents; }
/* photo height follows the name + intro text block on the left */
.intro__photo { grid-column: 9 / -1; grid-row: 1; align-self: stretch; height: 0; min-height: 100%; width: auto; max-width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 4% / 3%; background: var(--faint); }
.intro__side .intro__who { grid-column: 9 / -1; grid-row: 2; }
.intro__reel { grid-column: 1 / -1; }
.intro__who { display: grid; gap: 4px; align-content: start; font-size: 15px; }
.intro__role { font-weight: 600; }
.intro__text { margin-top: clamp(28px, 4vw, 56px); font-size: clamp(21px, 2vw, 28px); line-height: 1.3; letter-spacing: -.01em; max-width: 30em; }

.reel { margin-top: clamp(40px, 6vw, 96px); }
.reel__media { position: relative; aspect-ratio: var(--ar, 16 / 9); max-height: 86vh; width: 100%; background: var(--faint); overflow: hidden; }
.reel__media > img, .reel__media > iframe, .reel__media > video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; object-fit: cover; }
.reel.is-playing .reel__media > video { object-fit: contain; background: #000; }
.reel__hit { position: absolute; inset: 0; z-index: 1; cursor: pointer; }
.reel__cap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding-top: 10px; font-size: 15px; }

.skills { row-gap: 24px; margin-bottom: clamp(72px, 10vw, 160px); }
.section__kicker { grid-column: 1 / span 3; font-size: 15px; font-weight: 600; }
.skills__list { grid-column: 4 / -1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px var(--col-gap); }
.skill { display: grid; gap: 8px; align-content: start; }
.skill__title { font-size: clamp(20px, 1.7vw, 24px); font-weight: 600; letter-spacing: -.015em; line-height: 1.2; }
.skill__text { color: var(--muted); max-width: 34ch; }
.skill__steps { font-size: 14px; color: var(--muted); }
@media (max-width: 1000px) {
  .section__kicker { grid-column: 1 / -1; }
  .skills__list { grid-column: 1 / -1; }
}
@media (max-width: 700px) {
  .intro__main, .intro__side { grid-column: 1 / -1; }
  .intro__photo, .intro__side .intro__who { grid-column: 1 / -1; grid-row: auto; }
  .intro__photo { height: auto; min-height: 0; width: 60%; align-self: start; }
  .skills__list { grid-template-columns: 1fr; }
}

/* ---------- Sections ---------- */
.section { padding-block: clamp(72px, 10vw, 160px) 0; }
#work { padding-top: clamp(48px, 6vw, 96px); }
.section__head { row-gap: 8px; margin-bottom: clamp(32px, 4vw, 64px); }
.section__title { grid-column: 1 / span 6; font-size: clamp(40px, 6vw, 96px); line-height: .95; font-weight: 700; letter-spacing: -.045em; }
.section__note { grid-column: 7 / -1; align-self: end; max-width: 36ch; }
@media (max-width: 800px) { .section__title, .section__note { grid-column: 1 / -1; } }

/* ---------- Work ---------- */
.work-layout { align-items: start; }
.work-menu { grid-column: 1 / span 2; position: sticky; top: calc(var(--head-total, var(--header-h)) + 16px); font-size: 19px; font-weight: 600; letter-spacing: -.01em; }
.work-menu ul { display: grid; gap: 12px; }
.work-menu a { text-decoration: none; display: inline-flex; gap: .5em; }
.work-menu a:hover, .work-menu a[aria-current] { color: var(--accent); }
.work-menu a[aria-current] .muted { color: inherit; }
.work-groups { grid-column: 3 / -1; display: grid; gap: clamp(64px, 8vw, 128px); min-width: 0; }

.work-group__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 20px; margin-bottom: 20px; }
.work-group__title { font-size: clamp(24px, 2.4vw, 34px); font-weight: 700; letter-spacing: -.025em; line-height: 1.1; }

.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px var(--col-gap); }
.cards--tall { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { display: grid; gap: 4px; align-content: start; min-width: 0; }
.card__btn { display: grid; gap: 8px; text-align: left; width: 100%; }
.card__media { position: relative; display: block; aspect-ratio: var(--ar, 16 / 9); max-width: 100%; background: var(--faint); overflow: hidden; }
.card--tall .card__media { aspect-ratio: var(--ar, 9 / 16); }
/* corners round to 4% of the shorter side (Gleb, 13.10) */
.card__media { border-radius: calc(4% / max(var(--arn, 1.7778), 1)) / calc(4% * min(var(--arn, 1.7778), 1)); }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.card__btn:hover img, .card__btn:focus-visible img { transform: scale(1.025); }
.card__btn:hover .card__title, .card__btn:focus-visible .card__title { color: var(--accent); }
.card__title { font-size: 18px; font-weight: 600; letter-spacing: -.01em; line-height: 1.25; }
.card__meta { font-size: 14px; color: var(--muted); }
.card__role { font-size: 14px; }
.card__missing { font-size: 13px; color: var(--ph); }

/* Silent preview loops (grid + hero) */
.loop { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .4s; pointer-events: none; }
.loop.is-on { opacity: 1; }

@media (max-width: 1100px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cards--tall { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  /* The side menu becomes a sticky row of section links */
  .work-menu {
    grid-column: 1 / -1; z-index: 10; background: var(--bg); padding-block: 8px; margin-bottom: 24px;
    overflow-x: auto; scrollbar-width: none;
    top: var(--head-total, var(--header-h));
    /* no gap under the header for cards to show through */
    box-shadow: 0 -24px 0 var(--bg);
  }
  .work-menu ul { display: flex; gap: 20px; white-space: nowrap; }
  .work-menu { font-size: 16px; }
  .work-groups { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .cards { grid-template-columns: 1fr; }
  .cards--tall { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- Experience ---------- */
#experience .grid12 { row-gap: 40px; }
#experience .section__title { grid-column: 1 / -1; margin-bottom: clamp(16px, 2vw, 32px); }
.jobs { grid-column: 3 / span 6; display: grid; gap: 36px; }
.job { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 3fr); gap: var(--col-gap); }
.job__when { font-size: 15px; padding-top: 4px; }
.job__title { font-size: clamp(22px, 2vw, 28px); font-weight: 700; letter-spacing: -.02em; line-height: 1.15; }
.job__about { margin-top: 2px; }
.job__points { margin-top: 10px; display: grid; gap: 2px; color: var(--muted); }
.exp-side { grid-column: 10 / -1; display: grid; gap: 24px; align-content: start; font-size: 15px; }
.side__title { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.plain { display: grid; gap: 2px; }
@media (max-width: 1000px) {
  .jobs { grid-column: 1 / span 8; }
  .exp-side { grid-column: 9 / -1; }
}
@media (max-width: 700px) {
  .jobs, .exp-side { grid-column: 1 / -1; }
  .job { grid-template-columns: 1fr; gap: 4px; }
  .exp-side { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- Contact & footer ---------- */
.contact { padding-bottom: clamp(72px, 10vw, 160px); }
.contact__title { font-size: clamp(40px, 7vw, 120px); line-height: .95; font-weight: 700; letter-spacing: -.045em; max-width: 14em; text-wrap: balance; }
.contact__row { row-gap: 16px; margin-top: clamp(28px, 4vw, 56px); }
.contact__row--flush { margin-top: 0; }
.contact__email { grid-column: 1 / span 8; display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 20px; font-size: clamp(24px, 3vw, 44px); letter-spacing: -.02em; }
.contact__email a { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: .15em; overflow-wrap: anywhere; }
.contact__email a:hover { color: var(--accent); }
.contact__email .link { font-size: 15px; letter-spacing: 0; }
.contact__links { grid-column: 10 / -1; font-size: 15px; justify-items: start; }
@media (max-width: 800px) { .contact__email, .contact__links { grid-column: 1 / -1; } }

.site-footer { padding-block: 20px 28px; font-size: 14px; color: var(--muted); }
.footer__row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }
.footer__row a { text-decoration: none; }
.footer__row a:hover { color: var(--accent); }

/* ---------- Viewer (modal) ---------- */
.viewer {
  position: fixed; inset: 0; width: 100vw; max-width: none; height: 100dvh; max-height: none; margin: 0; padding: 0; border: 0;
  background: transparent; color: #fff; overflow: auto; overscroll-behavior: contain;
}
.viewer[open] { display: grid; place-items: center; animation: viewer-in .2s var(--ease); }
.viewer::backdrop { background: rgb(12 12 12 / .82); backdrop-filter: blur(8px); }
@keyframes viewer-in { from { opacity: 0; transform: scale(.98); } }
.viewer__inner {
  display: grid; gap: 14px; padding: 64px var(--gutter) 32px;
  width: min(100%, calc(78dvh * var(--arn, 1.7778) + 2 * var(--gutter)));
}
.viewer__close {
  position: fixed; top: 14px; right: 14px; z-index: 1; display: grid; place-items: center;
  width: 44px; height: 44px; color: #fff; opacity: .85;
}
.viewer__close svg { width: 28px; height: 28px; }
.viewer__close:hover { opacity: 1; color: var(--accent); }
.viewer__player { position: relative; background: #000; aspect-ratio: var(--ar, 16 / 9); width: 100%; border-radius: 8px; overflow: hidden; }
.viewer__player iframe, .viewer__player video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: #000; }
.viewer__details { display: grid; gap: 2px; }
.details__title { font-size: 20px; line-height: 1.2; font-weight: 600; letter-spacing: -.01em; }
.details__meta { font-size: 15px; color: rgb(255 255 255 / .65); }

/* Age-restricted YouTube videos: poster + link out instead of an embed */
.gated { position: absolute; inset: 0; display: grid; place-items: end start; background: #000; overflow: hidden; color: #fff; }
.gated img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.gated__body { position: relative; display: grid; gap: 10px; justify-items: start; padding: clamp(16px, 3vw, 32px); max-width: 44ch; }
.gated__note { font-size: 15px; }
.gated--btn { place-items: center; }
.gated--btn .gated__body { justify-items: center; }
.gated--btn .link { background: #fff; color: #111; padding: 12px 20px; border-radius: 4px; font-weight: 600; text-decoration: none; display: inline-flex; align-items: center; gap: .4em; }
.gated--btn .link:hover { color: var(--accent); }
.gated .link:hover { color: #fff; opacity: .8; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 50; transform: translate(-50%, 16px);
  background: var(--ink); color: var(--bg); font-size: 14px; padding: 10px 16px;
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s var(--ease); max-width: calc(100vw - 32px); text-align: center;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .card__btn:hover img, .card__btn:focus-visible img { transform: none; }
}