:root {
  --ink: #071a2b;
  --ink-soft: #183248;
  --paper: #f4f2ea;
  --white: #fff;
  --acid: #b8f238;
  --cyan: #63d7e6;
  --line: rgba(7, 26, 43, .16);
  --shell: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.6 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible, video:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 100; padding: 10px 16px; background: var(--acid); color: var(--ink); font-weight: 800; }
.skip-link:focus { top: 12px; }

.site-header { position: absolute; inset: 0 0 auto; z-index: 10; color: var(--white); }
.header-inner { height: 88px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.16); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 800; letter-spacing: .02em; }
.brand-mark { display: grid; place-items: center; width: 42px; aspect-ratio: 1; border: 1px solid var(--acid); color: var(--acid); font: 800 13px/1 ui-monospace, monospace; }
.site-header nav { display: flex; align-items: center; gap: 30px; }
.site-header nav a { text-decoration: none; color: rgba(255,255,255,.78); font-size: 14px; }
.site-header nav a:hover { color: var(--white); }
.site-header .nav-cta { padding: 10px 18px; border: 1px solid rgba(255,255,255,.45); color: var(--white); }

.hero { position: relative; min-height: 790px; overflow: hidden; color: var(--white); background: var(--ink); }
.grid-glow { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px), radial-gradient(circle at 75% 42%, rgba(99,215,230,.2), transparent 30%); background-size: 52px 52px, 52px 52px, auto; mask-image: linear-gradient(to bottom, #000 80%, transparent); }
.hero-grid { position: relative; min-height: 790px; padding-top: 160px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: center; }
.eyebrow, .section-index { margin: 0 0 26px; text-transform: uppercase; letter-spacing: .16em; font-size: 12px; font-weight: 800; }
.eyebrow { color: var(--acid); }
.eyebrow span { display: inline-block; width: 28px; height: 1px; margin: 0 10px 3px 0; background: currentColor; }
h1, h2, h3, p { text-wrap: balance; }
h1 { margin: 0; font-size: clamp(54px, 7vw, 104px); line-height: .92; letter-spacing: -.06em; }
h1 em { color: var(--acid); font-family: Georgia, serif; font-weight: 400; }
.hero-lead { max-width: 650px; margin: 34px 0 0; color: rgba(255,255,255,.72); font-size: clamp(18px, 2vw, 22px); }
.hero-actions { display: flex; gap: 12px; margin-top: 38px; }
.button { padding: 14px 24px; text-decoration: none; font-weight: 800; font-size: 14px; border: 1px solid rgba(255,255,255,.35); }
.button-primary { background: var(--acid); border-color: var(--acid); color: var(--ink); }
.button-ghost { color: var(--white); }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 680px; margin: 68px 0 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.16); }
.hero-facts div { display: grid; gap: 8px; }
.hero-facts dt { color: var(--acid); font: 700 12px/1 ui-monospace, monospace; }
.hero-facts dd { max-width: 150px; margin: 0; color: rgba(255,255,255,.55); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }

.portrait-card { position: relative; width: min(100%, 390px); justify-self: end; padding: 12px; border: 1px solid rgba(255,255,255,.18); transform: rotate(1.5deg); }
.portrait-photo { position: relative; aspect-ratio: 4 / 4.6; overflow: hidden; background: linear-gradient(145deg, #173c54, #0c2437); }
.portrait-photo::after { content: ""; position: absolute; inset: 18px; border: 1px solid rgba(255,255,255,.24); pointer-events: none; }
.portrait-photo img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: 50% 35%; filter: saturate(.88) contrast(1.03); }
.portrait-caption { padding: 18px 8px 8px; }
.portrait-caption p { margin: 0; color: rgba(255,255,255,.55); font-size: 13px; }
.portrait-caption .teacher-name { margin-bottom: 3px; color: var(--white); font-size: 18px; font-weight: 800; }
.code-tag { position: absolute; padding: 7px 11px; background: var(--acid); color: var(--ink); font: 700 12px/1 ui-monospace, monospace; transform: rotate(-1.5deg); }
.code-tag-a { left: -34px; top: 20%; }
.code-tag-b { right: -30px; bottom: 22%; background: var(--cyan); }

section { padding-block: 120px; }
.split-heading { display: grid; grid-template-columns: .35fr 1fr; gap: 50px; }
.section-index { color: #547080; }
h2 { margin: 0; font-size: clamp(42px, 5.4vw, 76px); line-height: .98; letter-spacing: -.045em; }
.section-intro { max-width: 780px; margin: 34px 0 0; color: #4c606d; font-size: 20px; }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 76px; }
.values-grid article { padding: 34px; border: 1px solid var(--line); background: rgba(255,255,255,.38); }
.value-icon { display: grid; place-items: center; min-width: 60px; width: max-content; height: 52px; padding-inline: 10px; margin-bottom: 52px; background: var(--ink); color: var(--acid); font: 800 14px/1 ui-monospace, monospace; }
.values-grid h3 { margin: 0 0 10px; font-size: 24px; }
.values-grid p { margin: 0; color: #5f707b; }

.directions { background: var(--ink-soft); color: var(--white); }
.section-heading-row { display: grid; grid-template-columns: 1fr .45fr; gap: 70px; align-items: end; }
.section-heading-row > p { margin: 0 0 8px; color: rgba(255,255,255,.58); font-size: 18px; }
.section-index.light { color: var(--cyan); }
.direction-list { margin-top: 70px; border-top: 1px solid rgba(255,255,255,.18); }
.direction-list article { display: grid; grid-template-columns: 70px 1fr 40px; gap: 20px; align-items: center; padding: 27px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.direction-list span { color: var(--cyan); font: 700 12px/1 ui-monospace, monospace; }
.direction-list h3 { margin: 0; font-size: 25px; }
.direction-list p { margin: 4px 0 0; color: rgba(255,255,255,.55); }
.direction-list b { color: var(--acid); font-size: 25px; font-weight: 400; }

.competition-grid { display: grid; grid-template-columns: 1fr .85fr; gap: 100px; align-items: center; }
.year-badge { display: inline-block; margin-bottom: 28px; padding: 8px 14px; background: var(--acid); font-size: 13px; font-weight: 900; text-transform: uppercase; letter-spacing: .12em; }
.competition-photo { position: relative; width: min(100%, 380px); margin: 50px 0 0 40px; padding: 10px; border: 1px solid var(--line); transform: rotate(1.3deg); }
.competition-photo::before { content: "2023"; position: absolute; left: -30px; top: 30px; z-index: 1; padding: 10px 13px; background: var(--acid); font: 900 13px/1 ui-monospace, monospace; }
.competition-photo img { display: block; width: 100%; height: auto; object-fit: cover; object-position: center 18%; }
.competition-details { margin: 38px 0; }
.competition-details h3 { margin: 0 0 12px; font-size: 24px; }
.competition-details p { margin: 0; color: #526774; font-size: 18px; }
.competition-details ul { display: grid; gap: 10px; margin: 22px 0 0; padding: 0; list-style: none; }
.competition-details li { position: relative; padding-left: 22px; color: #526774; }
.competition-details li::before { content: "→"; position: absolute; left: 0; color: #78a800; font-weight: 900; }
.competition-milestone { display: grid; grid-template-columns: 76px 1fr; gap: 18px; align-items: start; margin: 30px 0; padding: 22px; background: var(--ink); color: var(--white); }
.competition-milestone > span { display: grid; place-items: center; min-height: 52px; background: var(--acid); color: var(--ink); font: 900 14px/1 ui-monospace, monospace; }
.competition-milestone h3 { margin: 0 0 5px; font-size: 20px; }
.competition-milestone p { margin: 0; color: rgba(255,255,255,.72); font-size: 14px; }
.status-note { display: flex; gap: 12px; align-items: center; padding: 18px; border: 1px solid var(--line); font-size: 13px; font-weight: 700; }
.status-note span { width: 10px; aspect-ratio: 1; border-radius: 50%; background: var(--acid); box-shadow: 0 0 0 5px rgba(184,242,56,.22); }

.milestones { background: var(--ink-soft); color: var(--white); }
.milestones-heading { display: grid; grid-template-columns: .35fr 1fr; gap: 50px; align-items: start; }
.milestones-heading > div > p { max-width: 760px; margin: 30px 0 0; color: rgba(255,255,255,.62); font-size: 19px; }
.milestones-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 62px; }
.milestones-grid article { display: flex; min-height: 430px; flex-direction: column; padding: 30px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.035); }
.milestone-year { width: fit-content; padding: 10px 13px; background: var(--acid); color: var(--ink); font: 900 13px/1 ui-monospace, monospace; }
.milestone-label { margin: 34px 0 8px; color: var(--cyan); font: 800 11px/1.3 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .1em; }
.milestones-grid h3 { margin: 0 0 16px; font-size: 25px; line-height: 1.15; }
.milestones-grid h3 + p { margin: 0; color: rgba(255,255,255,.62); }
.milestones-grid a { width: fit-content; margin-top: auto; padding-top: 28px; color: var(--white); font-size: 13px; font-weight: 800; text-underline-offset: 5px; }
.milestones-grid a span { color: var(--acid); }
.yandex-reserve { position: relative; display: grid; grid-template-columns: 220px 1fr; gap: 54px; overflow: hidden; margin-top: 22px; padding: 48px 42px 42px; background: linear-gradient(110deg, #fff 0 33%, #f8f8f8 67%, #eef1f3 100%); color: var(--ink); }
.yandex-reserve::before { content: ""; position: absolute; inset: 0 0 auto; height: 6px; background: #fc3f1d; }
.yandex-mark { display: flex; min-height: 220px; flex-direction: column; justify-content: space-between; padding: 24px; border-left: 6px solid #fc3f1d; background: #f5f5f5; }
.yandex-brand { display: grid; grid-template-columns: 58px 1fr; gap: 12px; align-items: center; }
.yandex-brand span { color: #fc3f1d; font: 700 78px/.8 Arial, sans-serif; letter-spacing: -.08em; }
.yandex-brand strong { color: #111; font: 700 22px/.95 Arial, sans-serif; letter-spacing: -.035em; }
.yandex-mark b { color: #111; font: 800 11px/1.4 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .06em; }
.yandex-copy .milestone-label { margin-top: 3px; color: #d93416; }
.yandex-copy h3 { margin: 0; font-size: clamp(30px, 3.7vw, 50px); line-height: 1.02; letter-spacing: -.035em; }
.yandex-copy > p:not(.milestone-label) { max-width: 820px; margin: 24px 0 0; color: #526774; font-size: 17px; }
.yandex-official { display: inline-flex; gap: 10px; align-items: center; margin-top: 24px; padding: 12px 16px; background: #fc3f1d; color: #fff; font-size: 13px; font-weight: 800; text-decoration: none; }
.yandex-official:hover { background: #e93517; }
.yandex-official span { font-size: 16px; }
.yandex-timeline { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 34px 0 0; }
.yandex-timeline div { padding-top: 14px; border-top: 1px solid var(--line); }
.yandex-timeline dt { color: #d93416; font: 800 12px/1 ui-monospace, monospace; }
.yandex-timeline dd { margin: 8px 0 0; color: #405764; font-size: 14px; }
.certificate-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.certificate-links a { padding: 10px 13px; border: 1px solid var(--line); color: var(--ink); font-size: 12px; font-weight: 800; text-decoration: none; }
.certificate-links a:hover { border-color: #fc3f1d; }
.certificate-links span { color: #d93416; }

.story { background: var(--ink); color: var(--white); }
.story-heading { display: grid; grid-template-columns: 1fr .55fr; gap: 80px; align-items: end; }
.story-heading > p { margin: 0 0 8px; color: rgba(255,255,255,.58); font-size: 18px; }
.video-frame { margin-top: 60px; padding: 12px; border: 1px solid rgba(255,255,255,.2); background: #020b12; box-shadow: 0 30px 80px rgba(0,0,0,.32); }
.video-frame video { display: block; width: 100%; max-height: 720px; background: #020b12; }
.video-summary { margin-top: 22px; padding: 18px 22px; border: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.72); }
.video-summary summary { width: fit-content; color: var(--white); font-weight: 800; cursor: pointer; }
.video-summary p { max-width: 850px; margin: 14px 0 0; }

.gallery { overflow: hidden; }
.gallery-heading { display: grid; grid-template-columns: .35fr 1fr; gap: 50px; align-items: start; }
.gallery-grid { display: grid; grid-template-columns: 1.25fr .75fr; grid-template-rows: repeat(2, 330px); gap: 18px; margin-top: 60px; }
.gallery-grid figure { position: relative; margin: 0; overflow: hidden; background: var(--ink); }
.gallery-grid .gallery-wide { grid-row: 1 / 3; }
.gallery-grid img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform .45s ease; }
.gallery-grid figure:hover img { transform: scale(1.025); }
.gallery-grid figcaption { position: absolute; inset: auto 16px 16px; width: fit-content; padding: 8px 11px; background: rgba(7,26,43,.9); color: var(--white); font-size: 12px; letter-spacing: .05em; }
.gallery-grid figure:nth-child(3) img { object-position: center 18%; }

.projects { padding-top: 0; }
.projects-grid { display: grid; grid-template-columns: .8fr 1fr; gap: 100px; padding-top: 100px; border-top: 1px solid var(--line); }
.projects ol { margin: 0; padding: 0; list-style: none; }
.projects li { display: grid; grid-template-columns: 54px 1fr; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.projects li > span { padding-top: 7px; color: #69808e; font: 700 12px/1 ui-monospace, monospace; }
.projects h3 { margin: 0; font-size: 22px; }
.projects li p { margin: 5px 0 0; color: #5c707c; }

.contacts { padding-block: 0; background: var(--paper); }
.contact-card { display: grid; grid-template-columns: 1fr .65fr; gap: 70px; align-items: end; padding: 70px; background: var(--ink); color: var(--white); }
.contact-list { padding: 28px; border: 1px solid rgba(255,255,255,.28); font-style: normal; }
.contact-list .contact-label { margin: 0 0 16px; color: var(--cyan); font: 800 11px/1.3 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .1em; }
.contact-main { display: inline-block; color: var(--white); font-size: clamp(20px, 2.4vw, 28px); font-weight: 800; text-underline-offset: 6px; }
.contact-phones { display: flex; flex-wrap: wrap; gap: 7px 20px; margin-top: 15px; }
.contact-phones a { color: var(--white); font-weight: 700; text-underline-offset: 4px; }
.contact-list > p:not(.contact-label) { margin: 22px 0 0; color: rgba(255,255,255,.58); font-size: 14px; }
.contact-profile { display: inline-block; margin-top: 20px; color: var(--white); font-size: 13px; font-weight: 800; text-underline-offset: 5px; }
.contact-profile span { color: var(--acid); }
footer { padding: 35px 0; background: var(--paper); }
footer .shell { display: flex; justify-content: space-between; gap: 30px; color: #526774; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.source-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 14px 22px; }
.source-links a { text-underline-offset: 4px; }

@media (max-width: 900px) {
  .site-header nav { gap: 12px; }
  .site-header nav a:nth-child(-n+2) { display: none; }
  .hero-grid { grid-template-columns: 1fr; padding-top: 135px; padding-bottom: 80px; }
  .portrait-card { display: none; }
  .split-heading, .competition-grid, .projects-grid, .contact-card, .story-heading, .gallery-heading, .milestones-heading { grid-template-columns: 1fr; }
  .section-heading-row { grid-template-columns: 1fr; }
  .values-grid, .milestones-grid { grid-template-columns: 1fr; }
  .milestones-grid article { min-height: 0; }
  .yandex-reserve { grid-template-columns: 150px 1fr; gap: 34px; padding: 30px; }
  .yandex-mark { min-height: 180px; }
  .value-icon { margin-bottom: 25px; }
  .contact-card { padding: 50px 35px; }
  .competition-photo { margin-inline: 30px auto; }
  .gallery-grid { grid-template-columns: 1fr; grid-template-rows: 430px 300px 430px; }
  .gallery-grid .gallery-wide { grid-row: auto; }
}

@media (max-width: 600px) {
  :root { --shell: min(100% - 28px, 1180px); }
  .header-inner { height: 72px; }
  .brand-text { font-size: 13px; }
  .site-header nav a { font-size: 13px; }
  .site-header .nav-cta { padding: 9px 12px; }
  .hero, .hero-grid { min-height: 720px; }
  .hero-facts { grid-template-columns: 1fr; gap: 18px; margin-top: 48px; }
  .hero-facts div { grid-template-columns: 30px 1fr; align-items: baseline; }
  .hero-facts dd { max-width: none; }
  .hero-actions { flex-direction: column; }
  .button { text-align: center; }
  section { padding-block: 80px; }
  .split-heading { gap: 20px; }
  .direction-list article { grid-template-columns: 38px 1fr; }
  .direction-list b { display: none; }
  .contact-card { width: 100%; }
  .gallery-grid { grid-template-rows: 320px 240px 320px; }
  .competition-milestone { grid-template-columns: 64px 1fr; padding: 18px; }
  .yandex-reserve { grid-template-columns: 1fr; padding: 22px; }
  .yandex-mark { min-height: 130px; }
  .yandex-brand { grid-template-columns: 50px 1fr; }
  .yandex-brand span { font-size: 66px; }
  .yandex-timeline { grid-template-columns: 1fr; }
  footer .shell { flex-direction: column; }
  .source-links { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}