@font-face {
  font-family: Manrope;
  src: url("./assets/Manrope.ttf") format("truetype");
  font-weight: 200 800;
  font-display: swap;
}
:root {
  font-family: Manrope, Arial, sans-serif;
  color: #1c1d1a;
  background: #fdfdfb;
  --red: #bb351e;
  --muted: #51544e;
  --line: #d3d4cc;
  --edge: clamp(20px, 5.2vw, 92px);
}
* { box-sizing: border-box; }
body, figure, p, h1, h2, h3 { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, summary:focus-visible, a:focus-visible { outline: 2px solid var(--red); outline-offset: 4px; }
[hidden] { display: none !important; }
.skip { position: fixed; z-index: 9; left: 14px; top: -70px; background: #fff; padding: 10px 18px; }
.skip:focus { top: 10px; }
.mast, .navigator { display: flex; gap: 24px; align-items: center; justify-content: space-between; padding-inline: var(--edge); position: relative; z-index: 3; }
.mast { min-height: 66px; border-bottom: 1px solid var(--line); background: #ffffffbd; }
.brand { font-weight: 800; letter-spacing: -.075em; font-size: 28px; line-height: 1; }
.brand span { font-weight: 400; }
.back-link, .booking-link { font-size: 12px; }
.booking-link, .inline { text-decoration: underline; text-underline-offset: .35em; }
.back-link span, .booking-link span { margin-left: .45em; }
.utilities, .hero-actions, .choices, .angles, .paging { display: flex; align-items: center; }
.utilities { gap: 20px; }
#motion, .paging button { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid #bfc2b7; border-radius: 50%; background: transparent; }
#motion { width: 32px; height: 32px; font-size: 12px; }
.mast a:hover, .inline:hover, .navigator a:hover { color: var(--red); }
.world { position: fixed; z-index: -1; inset: 0; overflow: hidden; pointer-events: none; background: #fcfcfa; --disc-x: 73%; --disc-y: 50%; --disc-size: 1; --tilt: -14deg; }
.world .orbital-disc { width: min(78vh, 62vw); height: auto; aspect-ratio: 1; left: var(--disc-x); top: var(--disc-y); transform: translate(-50%, -50%) perspective(950px) rotateX(var(--tilt)) scale(var(--disc-size)); }
.world .orbital-echo { left: calc(var(--disc-x) - 28%); top: calc(var(--disc-y) + 29%); width: min(37vh,28vw); height: auto; aspect-ratio: 1; transform: translate(-50%,-50%); }
.world .orbital-disc, .world .orbital-echo { transition: left .82s ease, top .82s ease, transform .82s ease; }
.disc-trace { animation: orbit-turn 65s linear infinite; }
@keyframes orbit-turn { to { transform: rotate(360deg); } }
body[data-scene="concerns"] .world { --disc-x: 7%; --disc-y: 87%; --disc-size: .82; --tilt: 28deg; }
body[data-scene="chain"] .world { --disc-x: 76%; --disc-y: 46%; --disc-size: .86; --tilt: 3deg; }
body[data-scene="visit"] .world { --disc-x: 75%; --disc-y: 49%; --disc-size: .9; --tilt: -24deg; }
body[data-scene="oleg"] .world { --disc-x: 72%; --disc-y: 48%; --disc-size: .92; --tilt: 12deg; }
body[data-scene="questions"] .world { --disc-x: 6%; --disc-y: 73%; --disc-size: .82; }
body[data-scene="request"] .world { --disc-x: 77%; --disc-y: 49%; --disc-size: 1.06; --tilt: 19deg; }
.screen { position: relative; padding: clamp(28px,5vh,62px) var(--edge); }
.spread { width: min(100%,1580px); margin: auto; }
.two-col, .hero-layout { display: grid; align-items: center; grid-template-columns: 1fr 1fr; gap: clamp(40px,7vw,125px); }
.hero-layout { grid-template-columns: 1.13fr .87fr; grid-template-rows: auto auto; column-gap: 3vw; row-gap: clamp(20px,4vh,48px); }
.hero-heading { align-self: end; }
.course-date { display: flex; flex-wrap: wrap; gap: 0 .35em; margin-top: 14px; color: var(--red); font-size: clamp(13px,1.15vw,19px); font-weight: 650; }
.course-date time { white-space: nowrap; }
.hero-copy { align-self: start; }
.portrait { grid-column: 2; grid-row: 1 / 3; height: min(70dvh, 750px); }
.portrait img { display: block; width: 100%; height: 100%; object-fit: contain; filter: drop-shadow(3px 12px 8px #48443619); }
.kicker { display: flex; align-items: center; gap: 10px; color: #5a5c51; text-transform: uppercase; letter-spacing: .13em; font-size: 11px; font-weight: 650; }
.kicker i { width: 6px; height: 6px; border-radius: 50%; background: var(--red); }
h1, h2 { font-weight: 500; font-size: clamp(51px,6.3vw,112px); line-height: 1.01; letter-spacing: -.071em; margin-top: clamp(14px,2.4vh,30px); }
h2 { font-size: clamp(45px,5.3vw,94px); }
em { color: var(--red); font-style: normal; }
.lead { font-size: clamp(24px,2.15vw,39px); letter-spacing: -.045em; line-height: 1.16; margin-bottom: 12px; }
.body-copy, .hero-copy > p:not(.lead), article p, .faq p, .offer p { font-size: clamp(15px,1.14vw,19px); line-height: 1.56; color: var(--muted); }
.body-copy, .hero-copy > p:not(.lead) { max-width: 46ch; }
.body-copy { margin-top: 20px; }
.hero-actions { gap: 22px; flex-wrap: wrap; margin-top: 24px; }
.pill { display: inline-flex; align-items: center; gap: 24px; border-radius: 30px; padding: 13px 19px; background: #22241e; color: white; font-size: 14px; }
.pill:hover { background: var(--red); }
.chapter-link { display: inline-block; margin-top: 22px; }
.profile-portrait { justify-self: center; width: 100%; height: min(67dvh,720px); }
.profile-portrait img { display: block; width: 100%; height: 100%; object-fit: contain; }
.profile-documents { margin-top: 20px; }
.profile-documents a, .channel-list a { text-decoration: underline; text-underline-offset: .3em; }
.profile-documents ul { margin: 8px 0; padding-inline-start: 20px; }
.prep-steps { list-style: none; counter-reset: prep; padding: 0; margin: 24px 0 0; }
.prep-steps li { position: relative; counter-increment: prep; border-top: 1px solid var(--line); padding: 10px 0 10px 34px; }
.prep-steps li::before { content: counter(prep, decimal-leading-zero); position: absolute; left: 0; top: 13px; color: var(--red); font-size: 12px; font-variant-numeric: tabular-nums; }
.prep-steps h3, .messengers h3, .profile-documents h3 { font-size: clamp(16px,1.3vw,22px); font-weight: 600; letter-spacing: -.025em; }
.prep-steps p { color: var(--muted); font-size: clamp(14px,1.08vw,18px); line-height: 1.5; margin-top: 4px; }
.faq > .kicker { padding-bottom: 12px; }
.choices, .angles { flex-wrap: wrap; gap: 7px; }
.choices button, .angles button { padding: 9px 14px; border-radius: 28px; border: 1px solid #c8cabe; background: #ffffffde; font-size: 13px; }
button[aria-pressed="true"]:is(.choices button,.angles button) { background: #252720; border-color: #252720; color: #fff; }
.choices button:hover, .angles button:hover, #motion:hover, .paging button:enabled:hover { border-color: var(--red); }
.selector article { margin-top: 21px; }
.selector article h3 { font-size: clamp(21px,2vw,34px); line-height: 1.2; letter-spacing: -.04em; font-weight: 550; margin-bottom: 10px; }
.selector article p { max-width: 49ch; }
.query-selector article { border-top: 1px solid var(--line); padding-top: 24px; }
.query-selector article h3 { font-size: clamp(26px,2.7vw,48px); }
.query-selector .inline { display: inline-block; margin-top: 14px; }
.inline { font-size: 13px; }
.method-selector, .chain-selector { margin-top: 25px; }
.foot-study, .lab { position: relative; display: grid; justify-items: center; min-width: 0; }
.foot-study canvas { display: block; width: min(100%,53vh); height: auto; margin: auto; }
.foot-study figcaption, .lab figcaption { font-size: 12px; font-weight: 550; letter-spacing: .025em; text-align: center; }
.foot-study figcaption span { display: block; font-weight: 450; font-size: 10px; color: var(--muted); margin-top: 4px; }
.lab-model { position: relative; width: 100%; height: min(50dvh,520px); }
.lab-model :is(img,canvas) { width: 100%; height: 100%; object-fit: contain; position: absolute; inset: 0; display: block; }
.lab-model.rendered img { visibility: hidden; }
.lab figcaption { margin: 3px 0 9px; }
.angles { justify-content: center; gap: 4px; }
.angles button { padding: 6px 11px; font-size: 11px; }
.credit { color: var(--muted); margin-top: 9px; font-size: 9px; text-decoration: underline; }
.faq { align-self: center; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-block: 15px; cursor: pointer; font-weight: 550; letter-spacing: -.025em; font-size: clamp(15px,1.35vw,23px); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--red); font-size: 22px; }
.faq details[open] summary::after { content: '−'; }
.faq p { padding: 0 20px 18px 0; }
.offer { padding: clamp(18px,4vw,74px); }
.offer strong { display: block; font-size: clamp(61px,7.1vw,130px); letter-spacing: -.077em; font-weight: 550; line-height: 1.13; white-space: nowrap; }
.offer strong span { font-size: .65em; }
.messengers { padding-top: 18px; margin-top: 20px; border-top: 1px solid var(--line); }
.messengers p { margin-top: 5px; font-size: 14px; }
.channel-list { display: flex; flex-wrap: wrap; gap: 12px 20px; margin: 14px 0 0; padding: 0; list-style: none; font-size: 14px; }
.channel-list li { color: var(--muted); }
.channel-list a { display: block; color: var(--red); }
.channel-list a.pill { display: inline-flex; color: #fff; text-decoration: none; }
.channel-list img { display: block; width: 120px; height: 120px; object-fit: contain; margin-top: 8px; background: #fff; }
.navigator { min-height: 65px; border-top: 1px solid var(--line); background: #ffffffde; }
.navigator nav { display: flex; gap: clamp(12px,2vw,36px); align-items: center; }
.navigator nav a { color: var(--muted); font-size: 12px; white-space: nowrap; padding-block: 8px; }
.navigator a[aria-current="step"] { color: var(--red); text-decoration: underline; text-underline-offset: 6px; }
.paging { gap: 6px; }
.paging output { white-space: nowrap; font-size: 11px; margin-right: 10px; letter-spacing: .1em; }
.paging button { font-size: 18px; }
.paging button:disabled { opacity: .29; cursor: default; }
body.immersive { height: 100vh; height: 100dvh; display: grid; grid-template-rows: auto minmax(0,1fr) auto; overflow: hidden; isolation: isolate; }
.immersive .deck { display: flex; overflow-x: auto; overflow-y: hidden; scroll-snap-type: x mandatory; scrollbar-width: none; touch-action: pan-y pinch-zoom; overscroll-behavior-x: contain; }
.immersive .screen { touch-action: pan-y pinch-zoom; }
.immersive .deck::-webkit-scrollbar { display: none; }
.immersive .screen { display: flex; flex: 0 0 100%; min-width: 0; overflow-y: auto; overscroll-behavior-y: contain; scroll-snap-align: start; scrollbar-width: thin; }
body.motion-off .world *, body.motion-off .portrait { animation-play-state: paused; transition-duration: 0s; }
@media (min-width:761px) and (min-height:620px) {
  .immersive .screen { padding-block: clamp(25px,5vh,60px); }
  .immersive .query-selector { min-height: 320px; }
  .immersive .chain-selector article, .immersive .method-selector article { min-height: 127px; }
}
@media (max-width:760px) {
  :root { --edge: clamp(17px,5vw,34px); }
  .mast { min-height: 53px; gap: 12px; }
  .brand { font-size: 25px; }
  .back-link { display: none; }
  .booking-link { font-size: 11px; }
  .utilities { gap: 10px; }
  .screen { padding-block: 22px; }
  .two-col, .hero-layout { display: grid; grid-template-columns: minmax(0,1fr); gap: 20px; }
  .hero-layout { gap: 8px; }
  .portrait { grid-column: 1; grid-row: 2; height: clamp(195px,35dvh,350px); }
  .hero-copy { margin-top: 2px; }
  .kicker { font-size: 9px; }
  h1 { font-size: clamp(45px,10vw,66px); margin-top: 9px; }
  h2 { font-size: clamp(36px,8.5vw,60px); margin-top: 9px; }
  .lead { font-size: 21px; margin-bottom: 5px; }
  .lead br { display: none; }
  .hero-actions { gap: 15px; margin-top: 14px; }
  .hero-copy > p:not(.lead), article p, .body-copy, .faq p, .offer p { font-size: 14px; line-height: 1.48; }
  .body-copy { margin-top: 12px; }
  .prep-steps { margin-top: 15px; }
  .profile-portrait { height: clamp(210px,36dvh,350px); }
  .pill { font-size: 13px; padding: 11px 15px; }
  .world { --disc-x: 54%; --disc-y: 44%; }
  .world .orbital-disc { width: min(72vw,45vh); }
  body[data-scene="chain"] .world, body[data-scene="visit"] .world { --disc-x: 58%; --disc-y: 70%; }
  body[data-scene="concerns"] .world, body[data-scene="questions"] .world { --disc-x: 94%; --disc-y: 80%; }
  .choices { gap: 5px; }
  .choices button { padding: 8px 12px; font-size: 12px; }
  .method-selector, .chain-selector { margin-top: 15px; }
  .selector article { margin-top: 13px; }
  .selector article h3 { font-size: 20px; margin-bottom: 6px; }
  .query-selector article { padding-top: 16px; }
  .query-selector article h3 { font-size: 26px; }
  .foot-study canvas { width: min(100%,28vh); }
  .lab-model { height: clamp(120px,24dvh,240px); }
  .lab .credit { margin-top: 5px; }
  .faq summary { padding-block: 11px; }
  .offer { padding: 18px 0; }
  .navigator { min-height: 59px; gap: 10px; padding-bottom: env(safe-area-inset-bottom); }
  .navigator nav { gap: 7px; flex: 1; justify-content: flex-start; }
  .immersive .navigator nav a { position: relative; width: 18px; height: 40px; font-size: 0; }
  .immersive .navigator nav a::after { content: ''; position: absolute; inset: 17px 5px auto; height: 6px; border-radius: 6px; background: #b5b7ac; }
  .immersive .navigator nav a[aria-current="step"]::after { background: var(--red); }
  .paging button { width: 35px; height: 35px; }
  .paging output { margin-right: 3px; }
  .navigator nav { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  .world *, .portrait { animation: none; transition: none; }
}
.foot-study:not(.drawn) { display: none; }