:root {
  --blue: #64afdc;
  --blue-dark: #2879bd;
  --blue-bright: #2588e8;
  --sky: #dbf1ff;
  --sky-soft: #f1f9ff;
  --mint: #d4fff7;
  --navy: #142b51;
  --ink: #1e293b;
  --muted: #56687d;
  --line: #d7e5f0;
  --white: #fff;
  --page: #f7fbfe;
  --shadow: 0 18px 50px rgba(37, 99, 155, .1);
  --radius-lg: 34px;
  --radius-md: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font-family: Inter, Manrope, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible { outline: 3px solid #ffca52; outline-offset: 4px; }

main { overflow-x: hidden; overflow-x: clip; }
.site-header, .section, .footer { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  color: var(--white);
  background: var(--blue-dark);
  font-weight: 900;
}
.brand strong, .brand small { display: block; line-height: 1; }
.brand strong { color: var(--navy); font-size: 19px; letter-spacing: -.04em; }
.brand small { margin-top: 5px; color: var(--muted); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.nav { display: flex; align-items: center; gap: 26px; font-size: 13px; font-weight: 700; }
.nav a { text-decoration: none; }
.nav-cta { padding: 11px 18px; border-radius: 999px; color: var(--white); background: var(--blue-dark); }

.section { margin-top: 24px; padding: 58px; border-radius: var(--radius-lg); background: var(--white); }
.section-label { color: var(--blue-dark); font-size: 11px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.section-label-light { color: #c9edff; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1, h2, h3 { margin: 0; color: var(--navy); }
h2 { font-size: clamp(36px, 5.2vw, 66px); line-height: .98; letter-spacing: -.06em; }
h2 em, h1 em { color: var(--blue-bright); font-family: Georgia, "Times New Roman", serif; font-weight: 400; }

.hero { display: grid; grid-template-columns: 1.03fr .97fr; gap: 52px; align-items: center; min-height: 680px; background: linear-gradient(145deg, #fff 0 58%, #eff9ff 100%); }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 26px; color: var(--blue-dark); font-size: 12px; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
.eyebrow span { width: 9px; height: 9px; border-radius: 50%; background: #ffca52; box-shadow: 0 0 0 5px #fff2c7; }
.hero h1 { font-size: clamp(52px, 6.3vw, 83px); line-height: .91; letter-spacing: -.065em; }
.hero-lead { max-width: 610px; margin: 30px 0 0; color: var(--muted); font-size: 17px; line-height: 1.55; }
.hero-actions, .registration-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 50px; padding: 0 24px; border-radius: 999px; font-size: 13px; font-weight: 900; text-decoration: none; }
.button-primary { color: var(--white); background: var(--blue-dark); box-shadow: 0 14px 28px rgba(40, 121, 189, .22); }
.button-secondary { border: 1px solid var(--line); color: var(--navy); background: var(--white); }
.button-light { color: var(--navy); background: var(--white); }
.hero-meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 42px; }
.hero-meta div { padding: 14px 16px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255, 255, 255, .76); }
.hero-meta strong, .hero-meta span { display: block; }
.hero-meta strong { color: var(--navy); font-size: 14px; }
.hero-meta span { margin-top: 4px; color: var(--muted); font-size: 10px; }

.hero-visual { position: relative; min-height: 520px; border-radius: 44px; background: linear-gradient(145deg, #dff3ff, #f7fcff); overflow: hidden; }
.hero-orbit { position: absolute; border: 1px solid rgba(40, 121, 189, .18); border-radius: 50%; }
.hero-orbit-one { width: 420px; height: 420px; top: -120px; right: -80px; }
.hero-orbit-two { width: 310px; height: 310px; bottom: -120px; left: -90px; }
.format-card { position: absolute; padding: 22px; border: 1px solid rgba(40, 121, 189, .14); border-radius: 22px; background: rgba(255,255,255,.94); box-shadow: var(--shadow); }
.format-card span { color: var(--blue-dark); font-size: 10px; font-weight: 900; }
.format-card strong { display: block; margin-top: 12px; color: var(--navy); font-size: 28px; letter-spacing: -.05em; }
.format-card p { margin: 9px 0 0; color: var(--muted); font-size: 11px; }
.format-card-main { width: 62%; top: 58px; left: 40px; transform: rotate(-3deg); }
.format-card-data { width: 48%; top: 222px; right: 34px; transform: rotate(4deg); }
.format-card-case { width: 57%; bottom: 48px; left: 40px; transform: rotate(-1deg); }
.mini-chart { display: flex; align-items: flex-end; gap: 8px; height: 42px; margin-top: 14px; }
.mini-chart i { display: block; width: 16px; border-radius: 5px 5px 2px 2px; background: var(--blue); }
.mini-chart i:nth-child(1) { height: 18px; }.mini-chart i:nth-child(2) { height: 31px; }.mini-chart i:nth-child(3) { height: 24px; }.mini-chart i:nth-child(4) { height: 40px; background: var(--blue-dark); }
.hero-stamp { position: absolute; display: grid; width: 112px; height: 112px; right: 28px; bottom: 26px; place-content: center; border-radius: 50%; color: var(--white); background: var(--blue-dark); text-align: center; transform: rotate(8deg); }
.hero-stamp b { font-family: Georgia, serif; font-size: 48px; line-height: .8; }
.hero-stamp span { margin-top: 5px; font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }

.intro-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 58px; align-items: end; margin-top: 24px; }
.intro-copy p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.6; }
.intro-copy p + p { margin-top: 14px; }
.skills-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 48px; }
.skills-grid article { min-height: 210px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fcfeff; }
.skills-grid article:nth-child(2) { background: var(--sky-soft); }.skills-grid article:nth-child(3) { background: var(--sky); }.skills-grid article:nth-child(4) { background: var(--mint); }
.skills-grid span { color: var(--blue-dark); font-size: 11px; font-weight: 900; }
.skills-grid h3 { margin-top: 44px; font-size: 20px; letter-spacing: -.04em; }
.skills-grid p { margin: 10px 0 0; color: var(--muted); font-size: 12px; line-height: 1.45; }

.program { background: var(--sky-soft); }
.section-head { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: end; }
.section-head h2 { max-width: 800px; margin-top: 16px; }
.section-head > p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.program-list { display: grid; gap: 10px; margin-top: 44px; }
.program-card { display: grid; grid-template-columns: 108px 1fr auto; gap: 28px; align-items: center; min-height: 138px; padding: 22px 26px; border: 1px solid var(--line); border-radius: 22px; background: var(--white); box-shadow: 0 8px 28px rgba(36, 96, 144, .06); }
.program-index { min-width: 108px; padding-right: 24px; border-right: 1px solid var(--line); }
.program-index span, .program-index strong { display: block; }
.program-index span { color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.program-index strong { margin-top: 4px; color: var(--blue-bright); font-family: Georgia, serif; font-size: 30px; font-weight: 400; }
.program-card h3 { font-size: 20px; letter-spacing: -.04em; }
.program-card p { margin: 8px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.program-tag { padding: 8px 12px; border-radius: 999px; color: var(--blue-dark); background: var(--sky); font-size: 9px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.program-note { margin: 20px 0 0; color: var(--muted); font-size: 11px; }

.team-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 42px; }
.team-card { display: grid; grid-template-columns: 88px 1fr; gap: 24px; min-height: 330px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--sky-soft); }
.team-card-accent { background: var(--mint); }
.team-avatar { display: block; width: 88px; height: 88px; border: 2px solid var(--blue-dark); border-radius: 50%; background: var(--white); object-fit: cover; object-position: center; }
.team-card:first-child .team-avatar { object-position: center 38%; }
.team-card h3 { font-size: 27px; letter-spacing: -.05em; }
.team-role { margin: 7px 0 18px; color: var(--blue-dark); font-size: 12px; font-weight: 900; }
.team-card p, .team-card li { color: var(--muted); font-size: 12px; line-height: 1.5; }
.team-card ul { margin: 0; padding-left: 18px; }
.team-card li + li { margin-top: 7px; }

.included { padding: 0; background: transparent; }
.included-panel { display: grid; grid-template-columns: .85fr 1.15fr; gap: 60px; padding: 58px; border-radius: var(--radius-lg); color: var(--white); background: var(--navy); }
.included-panel h2 { margin-top: 18px; color: var(--white); font-size: clamp(38px, 5vw, 61px); }
.included-panel p { margin: 24px 0 0; color: #c9d9e9; font-size: 13px; line-height: 1.55; }
.included-list { margin: 0; padding: 0; list-style: none; }
.included-list li { display: grid; grid-template-columns: 36px 1fr; gap: 16px; align-items: center; padding: 17px 0; border-bottom: 1px solid rgba(255,255,255,.14); font-size: 14px; }
.included-list span { color: #9bdcff; font-size: 10px; font-weight: 900; }
.date-dependent-note { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-top: 12px; padding: 22px 30px; border: 1px dashed var(--blue); border-radius: 20px; background: var(--white); }
.date-dependent-note strong { color: var(--navy); font-size: 13px; }
.date-dependent-note p { max-width: 650px; margin: 0; color: var(--muted); font-size: 12px; }

.audience { display: grid; grid-template-columns: 1fr .8fr; gap: 52px; align-items: center; background: linear-gradient(145deg, var(--sky), var(--mint)); }
.audience-copy h2 { margin-top: 18px; font-size: clamp(38px, 5vw, 62px); }
.audience-copy p { max-width: 650px; margin: 24px 0 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.audience-cards { display: grid; gap: 12px; }
.audience-cards article { padding: 24px; border-radius: 20px; background: rgba(255,255,255,.8); }
.audience-cards strong { color: var(--navy); font-size: 18px; }
.audience-cards p { margin: 8px 0 0; color: var(--muted); font-size: 12px; line-height: 1.45; }

.registration { display: grid; grid-template-columns: 1fr .72fr; gap: 46px; background: var(--white); }
.registration-main h2 { margin-top: 18px; }
.registration-main > p { margin: 24px 0 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.registration-main small { display: block; max-width: 680px; margin-top: 22px; color: var(--muted); font-size: 10px; line-height: 1.5; }
.text-link { color: var(--blue-dark); font-size: 12px; font-weight: 900; text-underline-offset: 4px; }
.registration-side { display: grid; gap: 10px; }
.price-tag { padding: 22px 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--sky-soft); }
.price-tag span, .price-tag strong, .price-tag small { display: block; }
.price-tag span { color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.price-tag strong { margin-top: 8px; color: var(--navy); font-size: 32px; letter-spacing: -.05em; }
.price-tag small { margin-top: 6px; color: var(--muted); font-size: 10px; }
.price-tag-free { background: var(--mint); }

.faq-list { margin-top: 34px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 21px 0; color: var(--navy); font-size: 15px; font-weight: 900; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary i { display: grid; width: 28px; height: 28px; flex: 0 0 auto; place-items: center; border-radius: 50%; color: var(--white); background: var(--blue-dark); font-size: 19px; font-style: normal; font-weight: 400; transition: transform .18s ease; }
.faq details[open] summary i { transform: rotate(45deg); }
.faq details p { max-width: 800px; margin: -3px 48px 22px 0; color: var(--muted); font-size: 13px; line-height: 1.55; }

.final-cta { display: flex; align-items: flex-end; justify-content: space-between; gap: 34px; color: var(--white); background: var(--blue-dark); }
.final-cta h2 { max-width: 820px; margin-top: 15px; color: var(--white); font-size: clamp(38px, 5vw, 64px); }
.final-cta .button { flex: 0 0 auto; }
.footer { display: flex; align-items: center; justify-content: space-between; margin-top: 24px; margin-bottom: 20px; padding: 30px 10px; border-top: 1px solid var(--line); }
.footer-links { display: flex; gap: 22px; font-size: 12px; font-weight: 800; }
.footer-links a { text-decoration: none; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .hero-visual { width: min(100%, 620px); margin-inline: auto; }
  .intro-grid, .audience, .registration { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .section-head { grid-template-columns: 1fr; align-items: start; }
  .team-card { grid-template-columns: 70px 1fr; }
  .team-avatar { width: 70px; height: 70px; }
  .included-panel { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .site-header, .section, .footer { width: min(100% - 24px, 660px); }
  .site-header { min-height: 70px; }
  .nav > a:not(.nav-cta) { display: none; }
  .section { margin-top: 12px; padding: 34px 22px; border-radius: 25px; }
  .hero { min-height: auto; gap: 34px; padding-top: 42px; }
  .hero h1 { font-size: clamp(46px, 15vw, 67px); }
  .hero-lead { font-size: 15px; }
  .hero-meta { grid-template-columns: 1fr; }
  .hero-visual { min-height: 440px; }
  .format-card-main { width: 76%; left: 20px; }
  .format-card-data { width: 60%; right: 18px; }
  .format-card-case { width: 72%; left: 18px; bottom: 36px; }
  .hero-stamp { width: 86px; height: 86px; right: 18px; bottom: 20px; }
  .hero-stamp b { font-size: 38px; }
  .intro-grid { gap: 24px; }
  .skills-grid, .team-grid { grid-template-columns: 1fr; }
  .skills-grid article { min-height: 170px; }
  .program-card { grid-template-columns: 82px minmax(0, 1fr); gap: 14px; padding: 20px; }
  .program-index { min-width: 0; padding-right: 12px; }
  .program-index strong { font-size: 30px; }
  .program-card h3 { font-size: 18px; line-height: 1.08; }
  .program-card p { font-size: 11px; line-height: 1.45; }
  .program-tag { display: none; }
  .team-card { grid-template-columns: 1fr; min-height: 0; }
  .included { padding: 0; }
  .included-panel { padding: 36px 24px; border-radius: 25px; }
  .date-dependent-note { align-items: flex-start; flex-direction: column; }
  .final-cta { align-items: flex-start; flex-direction: column; }
  .final-cta .button { width: 100%; }
}

@media (max-width: 430px) {
  .button { width: 100%; }
  .registration-actions .text-link { width: 100%; text-align: center; }
  .hero-visual { min-height: 420px; }
  .format-card strong { font-size: 23px; }
  .footer { align-items: flex-start; flex-direction: column; gap: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}