:root {
  --paper: #f4f1ea;
  --paper-soft: #faf8f3;
  --ink: #17131b;
  --muted: #69616e;
  --purple: #6f2bd9;
  --purple-dark: #32105f;
  --yellow: #ffd12f;
  --line: rgba(23, 19, 27, .14);
  --white-line: rgba(255, 255, 255, .14);
  --shell: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--paper); font-family: Inter, "Segoe UI", Arial, sans-serif; line-height: 1.6; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.05; }
h1, h2 { letter-spacing: -.05em; }
h2 { margin-bottom: 0; font-size: clamp(2.35rem, 5vw, 4.4rem); }
.shell { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.section { padding: 112px 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 8px 12px; color: #111; background: var(--yellow); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; z-index: 60; top: 0; border-bottom: 1px solid var(--line); background: rgba(244,241,234,.9); backdrop-filter: blur(16px); }
.nav { min-height: 72px; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 7px; margin-right: auto; font-size: 1.06rem; font-weight: 850; letter-spacing: -.03em; white-space: nowrap; }
.brand span { display: inline-grid; width: 35px; height: 29px; place-items: center; color: var(--ink); background: var(--yellow); border-radius: 5px; font-size: .95rem; }
.nav__menu { display: flex; align-items: center; gap: 28px; color: #504956; font-size: .88rem; font-weight: 700; }
.nav__menu a:hover, .nav__social a:hover { color: var(--purple); }
.nav__social { padding-left: 28px; border-left: 1px solid var(--line); font-size: .82rem; font-weight: 850; }
.nav__toggle { display: none; width: 42px; height: 42px; padding: 8px; border: 0; background: transparent; }
.nav__toggle > span { display: block; width: 23px; height: 2px; margin: 5px auto; background: var(--ink); transition: transform .2s, opacity .2s; }

.intro { padding: 78px 0 72px; border-bottom: 1px solid var(--line); }
.intro__grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(310px, .5fr); align-items: end; gap: 84px; }
.kicker { margin-bottom: 18px; color: #6f6674; font-size: .69rem; font-weight: 900; letter-spacing: .16em; }
.kicker--purple { color: var(--purple); }
.intro h1 { max-width: 850px; margin: 0; font-size: clamp(3.35rem, 6.4vw, 6.25rem); font-weight: 760; }
.intro h1 em { display: block; color: var(--purple); font-family: Georgia, serif; font-weight: 500; }
.intro__lead { max-width: 750px; margin: 30px 0 0; color: var(--muted); font-size: 1.15rem; }
.topic-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.topic-list span { padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; color: #5d5561; background: rgba(255,255,255,.38); font-size: .76rem; font-weight: 750; }
.profile-card { padding: 24px; color: #f8f5fb; background: var(--ink); border-radius: 18px; box-shadow: 0 22px 60px rgba(24,16,29,.15); }
.profile-card__top { display: flex; align-items: center; gap: 14px; }
.profile-card__portrait { width: 64px; height: 64px; flex: 0 0 64px; overflow: hidden; border: 2px solid rgba(255,255,255,.14); border-radius: 50%; }
.profile-card__portrait img { width: 190px; max-width: none; height: 64px; object-fit: cover; object-position: 80% 18%; transform: translateX(-74px) scale(1.25); }
.profile-card__top strong, .profile-card__top span { display: block; }
.profile-card__top strong { font-size: 1rem; }
.profile-card__top span { color: #aaa2b2; font-size: .78rem; }
.profile-card > p { margin: 22px 0; color: #bdb6c4; font-size: .9rem; }
.profile-card__stat { display: flex; align-items: baseline; gap: 10px; padding: 16px 0; border-block: 1px solid var(--white-line); }
.profile-card__stat strong { color: var(--yellow); font-size: 1.55rem; }
.profile-card__stat span { color: #aaa2b2; font-size: .75rem; }
.profile-card__links { display: flex; flex-wrap: wrap; gap: 8px 14px; margin-top: 18px; color: #eee9f2; font-size: .73rem; font-weight: 800; }
.profile-card__links a:hover { color: var(--yellow); }

.link-hub { scroll-margin-top: 78px; padding: 30px 0; color: #f8f5fa; background: var(--purple-dark); }
.link-hub__inner { display: grid; grid-template-columns: 190px 1fr; align-items: center; gap: 34px; }
.link-hub__intro span, .link-hub__intro strong { display: block; }
.link-hub__intro span { margin-bottom: 5px; color: #c8b5dd; font-size: .6rem; font-weight: 900; letter-spacing: .14em; }
.link-hub__intro strong { max-width: 175px; font-size: .88rem; line-height: 1.35; }
.link-hub__links { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.link-pill { min-width: 0; display: grid; grid-template-columns: 30px minmax(0,1fr) auto; align-items: center; gap: 9px; padding: 11px 12px; border: 1px solid rgba(255,255,255,.15); border-radius: 10px; background: rgba(255,255,255,.06); transition: transform .2s, background .2s; }
.link-pill:hover { transform: translateY(-2px); background: rgba(255,255,255,.12); }
.link-pill > span { display: grid; width: 30px; height: 30px; place-items: center; border-radius: 7px; color: #221228; background: var(--yellow); font-size: .65rem; font-weight: 900; }
.link-pill div { min-width: 0; }
.link-pill strong, .link-pill small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.link-pill strong { color: #fff; font-size: .75rem; }
.link-pill small { color: #b8a9c5; font-size: .58rem; }
.link-pill b { color: var(--yellow); font-size: .75rem; }
.link-pill--courses { border-color: rgba(255,209,47,.34); background: rgba(255,209,47,.09); }

.site-map { padding: 58px 0 84px; background: var(--paper-soft); }
.section-heading { margin-bottom: 44px; }
.section-heading--inline { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(260px, .5fr); align-items: end; gap: 70px; }
.section-heading--inline > p { max-width: 450px; margin: 0 0 6px; color: var(--muted); }
.site-map .section-heading h2 { font-size: clamp(2rem, 4vw, 3.3rem); }
.site-map__grid { border-top: 1px solid var(--line); }
.map-card { display: grid; grid-template-columns: 64px 1fr auto; align-items: center; gap: 22px; padding: 26px 8px; border-bottom: 1px solid var(--line); transition: padding .2s, color .2s; }
.map-card:hover { padding-inline: 18px; color: var(--purple); }
.map-card > span { color: #9a929d; font-family: Georgia, serif; font-size: 1.1rem; }
.map-card h3 { margin: 0 0 5px; font-size: 1.35rem; }
.map-card p { margin: 0; color: var(--muted); font-size: .9rem; }
.map-card b { font-size: 1.35rem; }

.editorial { color: #f9f6fb; background: #17111d; }
.editorial .section-heading > p { color: #aaa2b2; }
.editorial__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 18px; }
.editorial-feature { min-height: 430px; display: flex; flex-direction: column; justify-content: space-between; padding: 34px; overflow: hidden; border: 1px solid rgba(255,255,255,.12); border-radius: 20px; background: radial-gradient(circle at 78% 20%, rgba(139,44,255,.55), transparent 34%), linear-gradient(145deg, #39106e, #1b1029 65%); }
.status { align-self: flex-start; padding: 7px 10px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; color: #d9cedf; background: rgba(10,5,16,.22); font-size: .63rem; font-weight: 900; letter-spacing: .12em; }
.editorial-feature__label { margin-bottom: 10px; color: var(--yellow); font-size: .67rem; font-weight: 900; letter-spacing: .15em; }
.editorial-feature h3 { max-width: 500px; margin: 0 0 18px; font-size: clamp(2.7rem, 5vw, 4.6rem); letter-spacing: -.055em; }
.editorial-feature div > p:last-child { max-width: 540px; margin: 0; color: #c7bdcd; }
.editorial-topics { border-top: 1px solid var(--white-line); }
.editorial-topics article { display: grid; grid-template-columns: 42px 1fr; gap: 14px; padding: 25px 8px; border-bottom: 1px solid var(--white-line); }
.editorial-topics article > span { color: var(--yellow); font-family: Georgia, serif; }
.editorial-topics h3 { margin: 0 0 8px; font-size: 1.35rem; }
.editorial-topics p { margin: 0; color: #a9a0b0; font-size: .88rem; }

.channel { background: #e8e3db; }
.channel__grid { display: grid; grid-template-columns: .75fr 1.25fr; align-items: center; gap: 74px; }
.channel__copy > p:not(.kicker) { max-width: 470px; margin: 24px 0; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 9px; padding-bottom: 5px; border-bottom: 1px solid currentColor; color: var(--purple); font-weight: 850; }
.channel__visual { position: relative; overflow: hidden; border-radius: 18px; box-shadow: 0 24px 65px rgba(23,19,27,.17); }
.channel__visual::after { content: ""; position: absolute; inset: 0; background: rgba(8,4,13,.08); transition: background .2s; }
.channel__visual:hover::after { background: rgba(8,4,13,.2); }
.channel__visual img { width: 100%; aspect-ratio: 3 / 1; object-fit: cover; }
.play { position: absolute; z-index: 2; left: 28px; bottom: 24px; display: grid; width: 54px; height: 54px; place-items: center; color: #19111f; background: var(--yellow); border-radius: 50%; font-size: .9rem; }

.courses { background: var(--paper-soft); }
.courses__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.course-card { min-height: 330px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; border: 1px solid var(--line); border-radius: 17px; background: #fff; transition: transform .2s, box-shadow .2s; }
.course-card:hover { transform: translateY(-4px); box-shadow: 0 22px 55px rgba(23,19,27,.1); }
.course-card--featured { grid-column: span 2; display: grid; grid-template-columns: .8fr 1.2fr; color: #fff; background: #19121f; }
.course-card__image { min-height: 330px; overflow: hidden; }
.course-card__image img { width: 100%; height: 100%; object-fit: cover; }
.course-card__number { padding: 24px 26px 0; color: #b0a7b4; font-family: Georgia, serif; font-size: 1.2rem; }
.course-card__body { display: flex; flex-direction: column; align-items: flex-start; padding: 26px; }
.course-card--featured .course-card__body { justify-content: center; }
.course-card__body > span { margin-bottom: 18px; color: var(--purple); font-size: .63rem; font-weight: 900; letter-spacing: .13em; }
.course-card--featured .course-card__body > span { color: var(--yellow); }
.course-card h3 { margin: 0 0 16px; font-size: clamp(1.45rem, 2.6vw, 2.35rem); letter-spacing: -.035em; }
.course-card p { margin: 0 0 28px; color: var(--muted); font-size: .9rem; }
.course-card--featured p { color: #b9b0c0; }
.course-card b { margin-top: auto; color: var(--purple); font-size: .8rem; }
.course-card--featured b { color: var(--yellow); }
.extra-course { display: grid; grid-template-columns: .7fr 1fr 1.25fr auto; align-items: center; gap: 28px; margin-top: 16px; padding: 24px 26px; border: 1px solid var(--line); border-radius: 14px; background: #eee9e1; }
.extra-course > span { color: #6e6672; font-size: .62rem; font-weight: 900; letter-spacing: .12em; }
.extra-course strong { font-size: 1.05rem; }
.extra-course p { margin: 0; color: var(--muted); font-size: .82rem; }
.extra-course b { color: var(--purple); font-size: .75rem; }

.resources { border-top: 1px solid var(--line); }
.resources__grid { display: grid; grid-template-columns: .65fr 1.35fr; gap: 100px; }
.resources__lead { max-width: 420px; margin-top: 24px; color: var(--muted); }
.resource-list { border-top: 1px solid var(--line); }
.resource-list article { display: grid; grid-template-columns: 120px 1fr 1fr; gap: 24px; padding: 27px 4px; border-bottom: 1px solid var(--line); }
.resource-list article > span { color: var(--purple); font-size: .65rem; font-weight: 900; letter-spacing: .12em; }
.resource-list h3 { margin: 0; font-size: 1.2rem; }
.resource-list p { margin: 0; color: var(--muted); font-size: .84rem; }

.about { color: #f7f4f9; background: var(--purple-dark); }
.about__grid { display: grid; grid-template-columns: .75fr 1.25fr; align-items: center; gap: 86px; }
.about__portrait { height: 480px; overflow: hidden; border-radius: 18px; background: #160a25; }
.about__portrait img { width: 1450px; max-width: none; height: 480px; object-fit: cover; object-position: 79% center; transform: translateX(-730px) scale(1.12); }
.about .kicker { color: #cfb8ea; }
.about h2 { max-width: 700px; }
.about__lead { margin: 28px 0 16px; color: #fff; font-size: 1.16rem; }
.about p:not(.kicker):not(.about__lead) { max-width: 670px; color: #c9bbd7; }
.about .text-link { margin-top: 12px; color: var(--yellow); }

.footer { color: #e8e3eb; background: #120d17; }
.footer__top { min-height: 200px; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.brand--footer { color: #fff; }
.footer__top p { margin: 14px 0 0; color: #8f8796; font-size: .85rem; }
.footer__links { display: flex; flex-wrap: wrap; gap: 22px; font-size: .78rem; font-weight: 800; }
.footer__links a:hover { color: var(--yellow); }
.footer__bottom { min-height: 62px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--white-line); color: #79717f; font-size: .7rem; }

@media (max-width: 980px) {
  .nav__social { display: none; }
  .intro__grid, .channel__grid, .resources__grid, .about__grid { grid-template-columns: 1fr; }
  .intro__grid { align-items: start; gap: 46px; }
  .profile-card { max-width: 480px; }
  .channel__grid, .about__grid { gap: 44px; }
  .courses__grid { grid-template-columns: repeat(2, 1fr); }
  .extra-course { grid-template-columns: 1fr 1fr; }
  .resource-list article { grid-template-columns: 100px 1fr; }
  .resource-list p { grid-column: 2; }
  .about__portrait { max-width: 580px; }
  .link-hub__inner { grid-template-columns: 1fr; gap: 16px; }
  .link-hub__intro strong { max-width: none; }
  .link-hub__links { grid-template-columns: repeat(3, minmax(0,1fr)); }
}

@media (max-width: 720px) {
  .shell { width: min(calc(100% - 28px), var(--shell)); }
  .section { padding: 78px 0; }
  .nav { min-height: 66px; }
  .nav__toggle { display: block; }
  .nav__menu { position: fixed; inset: 66px 0 auto; display: grid; gap: 0; padding: 12px 14px 20px; border-bottom: 1px solid var(--line); background: var(--paper-soft); transform: translateY(-130%); opacity: 0; pointer-events: none; transition: transform .2s, opacity .2s; }
  .nav__menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav__menu a { padding: 14px 10px; border-bottom: 1px solid var(--line); }
  .nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .intro { padding: 52px 0 58px; }
  .intro h1 { font-size: clamp(3rem, 15vw, 4.6rem); }
  .intro__lead { font-size: 1rem; }
  .link-hub { padding: 25px 0; }
  .link-hub__links { display: flex; overflow-x: auto; padding-bottom: 7px; scroll-snap-type: x mandatory; }
  .link-pill { min-width: 175px; scroll-snap-align: start; }
  .section-heading--inline { grid-template-columns: 1fr; gap: 18px; }
  .site-map { padding: 54px 0 70px; }
  .map-card { grid-template-columns: 40px 1fr auto; gap: 12px; }
  .editorial__grid, .courses__grid { grid-template-columns: 1fr; }
  .editorial-feature { min-height: 400px; padding: 26px; }
  .course-card--featured { grid-column: auto; grid-template-columns: 1fr; }
  .course-card__image { min-height: 260px; max-height: 360px; }
  .extra-course { grid-template-columns: 1fr; gap: 10px; }
  .resource-list article { grid-template-columns: 1fr; gap: 9px; }
  .resource-list p { grid-column: auto; }
  .about__portrait { height: 400px; }
  .about__portrait img { height: 400px; transform: translateX(-760px) scale(1.3); }
  .footer__top { align-items: flex-start; flex-direction: column; justify-content: center; padding: 52px 0; }
  .footer__bottom { align-items: flex-start; flex-direction: column; justify-content: center; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}