:root {
  --bg: #121214;
  --bg-2: #0c0d11;
  --surface: #1c1c1e;
  --surface-2: #232430;
  --text: #e9eaf5;
  --muted: #a6a9bf;
  --muted-2: #7d8098;
  --line: rgba(140, 148, 190, .16);
  --line-strong: rgba(140, 148, 190, .28);
  --primary: #b7c4ff;
  --primary-ink: #041236;
  --lime: #c3f400;
  --cyan: #00e5ff;
  --max: 1160px;
  --radius: 18px;
  --shadow: 0 24px 70px rgba(0, 0, 0, .38);
  --font-display: "Lexend", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 112px; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(900px 520px at 88% -8%, rgba(183, 196, 255, .10), transparent 60%),
    radial-gradient(700px 480px at -8% 105%, rgba(0, 229, 255, .08), transparent 55%);
  background-repeat: no-repeat;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: #fff; font-family: var(--font-display); line-height: 1.12; letter-spacing: -.02em; }
h1 { margin-bottom: 20px; font-size: clamp(2.2rem, 9.5vw, 4.1rem); font-weight: 700; }
h2 { margin-bottom: 18px; font-size: clamp(1.9rem, 7vw, 2.85rem); font-weight: 600; }
h3 { margin-bottom: 10px; font-size: 1.2rem; font-weight: 600; }
p:last-child { margin-bottom: 0; }
.shell { width: min(calc(100% - 32px), var(--max)); margin-inline: auto; }
.section-pad { padding: 64px 0; }
.skip-link { position: fixed; z-index: 200; top: 12px; left: 12px; transform: translateY(-150%); padding: 11px 16px; border-radius: 10px; background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.skip-link:focus { transform: none; }
.eyebrow { display: inline-flex; margin-bottom: 14px; padding: 5px 12px; border: 1px solid rgba(195, 244, 0, .3); border-radius: 999px; background: rgba(195, 244, 0, .06); color: var(--lime); font-family: var(--font-mono); font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.lead { margin-bottom: 20px; color: var(--muted); font-size: 1.12rem; line-height: 1.6; }
.large-copy { color: #d7d9ee; font-size: 1.1rem; line-height: 1.6; }
.narrow { max-width: 760px; }
.section-heading { margin-bottom: 32px; }
.section-heading p:not(.eyebrow) { color: var(--muted); }

.site-header { position: sticky; z-index: 100; top: 0; border-bottom: 1px solid var(--line); background: rgba(18, 18, 20, .82); backdrop-filter: blur(14px); }
.header-inner { display: flex; min-height: 66px; align-items: center; justify-content: space-between; gap: 12px; }
.brand { display: inline-flex; min-height: 44px; align-items: center; gap: 9px; color: #fff; font-family: var(--font-display); font-weight: 700; letter-spacing: .02em; text-decoration: none; }
.brand-mark { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 10px 10px 4px; background: linear-gradient(140deg, var(--primary), var(--cyan)); color: var(--primary-ink); font-size: .93rem; font-weight: 800; }
.desktop-nav { display: none; }
.header-inner .button-small { display: none; }

.hero { overflow: hidden; padding-top: 40px; }
.hero-grid { display: grid; gap: 36px; align-items: start; }
.hero-copy { max-width: 640px; }
.hero-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 13px 22px; border: 1px solid transparent; border-radius: 12px; font-weight: 700; line-height: 1.2; text-align: center; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; cursor: pointer; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, .text-link:focus-visible, summary:focus-visible, nav a:focus-visible, button:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; }
.button-primary { background: var(--primary); color: var(--primary-ink); box-shadow: 0 14px 34px rgba(183, 196, 255, .22); }
.button-primary:hover { background: #c7d2ff; box-shadow: 0 18px 44px rgba(183, 196, 255, .3); }
.button-small { min-height: 40px; padding: 9px 16px; font-size: .84rem; }
.text-link { color: var(--primary); font-weight: 700; text-underline-offset: 4px; }
.text-link.light { color: var(--primary-ink); }

.hero-panel { padding: 24px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: linear-gradient(160deg, rgba(183, 196, 255, .07), rgba(255, 255, 255, .015)); box-shadow: var(--shadow); }
.hero-panel-label { margin: 0 0 14px; color: var(--muted-2); font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
.hero-panel-list { display: grid; gap: 14px; margin: 0 0 20px; padding: 0; list-style: none; }
.hero-panel-list li { padding-left: 0; color: var(--muted); font-size: .9rem; line-height: 1.45; border-top: 1px solid var(--line); padding-top: 14px; }
.hero-panel-list li:first-child { border-top: none; padding-top: 0; }
.hero-panel-list span { display: block; margin-bottom: 3px; color: var(--cyan); font-family: var(--font-mono); font-size: .8rem; font-weight: 600; }
.hero-panel-proof { margin: 0; padding-top: 18px; border-top: 1px solid var(--line); color: var(--text); font-size: .94rem; line-height: 1.5; }
.hero-panel-proof strong { color: var(--lime); }

.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 44px; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--line); }
.facts div { display: flex; min-height: 88px; flex-direction: column; justify-content: center; padding: 14px; background: var(--surface); }
.facts strong { color: #fff; font-family: var(--font-display); font-size: 1.32rem; line-height: 1.1; }
.facts span { margin-top: 4px; color: var(--muted-2); font-size: .78rem; }

.diff-section { background: var(--bg-2); }
.diff-grid { display: grid; gap: 16px; }
.diff-card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); transition: transform .18s ease, border-color .18s ease; }
.diff-card:hover { transform: translateY(-3px); border-color: rgba(183, 196, 255, .4); }
.diff-mark { display: grid; width: 46px; height: 46px; margin-bottom: 18px; place-items: center; border-radius: 13px; background: rgba(183, 196, 255, .1); color: var(--primary); font-size: 1.3rem; }
.diff-card h3 { margin-bottom: 6px; font-size: 1.05rem; color: #fff; }
.diff-card p { margin: 0; color: var(--muted); font-size: .92rem; line-height: 1.55; }

.method-section { background: var(--bg); }
.method-grid-text { display: grid; gap: 22px; margin: 0; padding: 0; list-style: none; }
.method-grid-text li { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.method-grid-text p { margin: 0; color: var(--muted); font-size: .93rem; line-height: 1.5; }
.step { display: grid; width: 30px; height: 30px; margin-bottom: 14px; place-items: center; border-radius: 50%; background: var(--lime); color: #0d1400; font-family: var(--font-mono); font-size: .8rem; font-weight: 700; }

.start-section { background: var(--bg-2); }
.card-grid { display: grid; gap: 16px; }
.info-card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.info-card > span { display: inline-block; margin-bottom: 22px; color: var(--cyan); font-family: var(--font-mono); font-weight: 700; }
.info-card p { color: var(--muted); }
.split { display: grid; gap: 24px; }
.tech-section { background: var(--bg); }
.tech-section .large-copy { color: #fff; font-weight: 600; }

.instructor-section { background: var(--bg-2); }
.instructor-grid { display: grid; gap: 28px; align-items: center; }
.portrait { width: min(58%, 240px); aspect-ratio: 1 / 1; margin: 0; padding: 10px; box-sizing: border-box; overflow: hidden; border-radius: 50%; background: var(--surface); border: 1px solid var(--line-strong); box-shadow: var(--shadow); }
.portrait img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; border-radius: 50%; }

.program-section { background: var(--bg); }
.program-layout { display: grid; gap: 32px; }
.program-intro { max-width: 490px; }
.program-intro > p:not(.eyebrow) { color: var(--muted); }
.accordion { display: grid; gap: 10px; }
.accordion details { overflow: hidden; border: 1px solid var(--line); border-radius: 13px; background: var(--surface); }
.accordion details[open] { border-color: var(--line-strong); }
.accordion summary { display: grid; min-height: 60px; cursor: pointer; grid-template-columns: 36px 1fr 22px; align-items: center; gap: 10px; padding: 14px 16px; color: #fff; font-weight: 600; line-height: 1.3; list-style: none; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { color: var(--cyan); font-family: var(--font-mono); font-size: .82rem; }
.accordion summary i { position: relative; width: 18px; height: 18px; }
.accordion summary i::before, .accordion summary i::after { position: absolute; top: 8px; left: 3px; width: 12px; height: 2px; background: var(--cyan); content: ""; transition: transform .2s ease; }
.accordion summary i::after { transform: rotate(90deg); }
.accordion details[open] summary i::after { transform: rotate(0); }
.accordion details > p { margin: 0; padding: 0 18px 18px 62px; color: var(--muted); }
.accordion details > .module-body { padding: 0 18px 18px 62px; }
.accordion details > .module-body p { margin: 0; padding: 0; color: var(--muted); }
.lesson-list { display: grid; gap: 2px; margin: 14px 0 0; padding: 10px 0 0; border-top: 1px solid var(--line); list-style: none; }
.lesson-list li { padding: 7px 0; border-bottom: 1px dashed var(--line); color: #cfd1e8; font-size: .9rem; line-height: 1.35; }
.lesson-list li:last-child { border-bottom: none; }

.check-list, .plain-list { display: grid; gap: 13px; margin: 0; padding: 0; list-style: none; }
.check-list li, .plain-list li { position: relative; padding-left: 30px; color: #cfd1e8; }
.check-list li::before { position: absolute; top: 1px; left: 0; color: var(--lime); content: "✓"; font-weight: 900; }
.plain-list li::before { position: absolute; top: 10px; left: 6px; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); content: ""; }
.fit-section { background: var(--bg-2); }
.fit-grid { display: grid; gap: 18px; }
.fit-card { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.fit-card.positive { border-color: rgba(195, 244, 0, .25); background: linear-gradient(160deg, rgba(195, 244, 0, .06), var(--surface) 55%); }
.fit-card h2 { font-size: clamp(1.5rem, 5.6vw, 2.1rem); }

.pricing-section { overflow: hidden; background: var(--bg); }
.pricing-grid { display: grid; gap: 30px; align-items: center; }
.operational-name { padding: 16px; border-left: 3px solid var(--cyan); background: var(--surface); color: var(--muted); font-size: .9rem; border-radius: 0 10px 10px 0; }
.price-card { padding: 28px; border: 1px solid var(--line-strong); border-radius: 22px; background: linear-gradient(155deg, rgba(183, 196, 255, .08), var(--surface) 60%); box-shadow: var(--shadow); }
.price-label { margin-bottom: 4px; color: var(--muted-2); font-family: var(--font-mono); font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.price { margin-bottom: 0; color: #fff; font-family: var(--font-display); font-size: clamp(2.5rem, 11vw, 3.9rem); font-weight: 700; letter-spacing: -.03em; line-height: 1; }
.price > span { font-size: .55em; vertical-align: top; color: var(--lime); }
.price small { font-size: .3em; letter-spacing: 0; color: var(--muted); }
.international { margin: 10px 0 22px; color: var(--cyan); font-weight: 600; }
.price-features { display: grid; gap: 10px; margin: 0 0 24px; padding: 18px 0; border-block: 1px solid var(--line); list-style: none; }
.price-features li { position: relative; padding-left: 26px; color: #cfd1e8; font-size: .92rem; line-height: 1.45; }
.price-features li::before { position: absolute; top: 2px; left: 0; color: var(--lime); content: "✓"; font-weight: 900; }
.button-wide { width: 100%; }
.js-checkout-form { margin: 0; }
.purchase-status { min-height: 1em; margin: 8px 0 0; color: var(--muted-2); font-size: .82rem; }
.whatsapp-link { display: block; margin-top: 16px; color: #7fe0a8; font-weight: 700; text-align: center; text-underline-offset: 4px; }
.fine-print { margin-top: 18px; color: var(--muted-2); font-size: .78rem; line-height: 1.5; }

.faq-layout { display: grid; gap: 30px; }
.faq-layout { background: var(--bg-2); }
.faq-section { background: var(--bg-2); }
.faq-list details > p { padding-left: 18px; color: var(--muted); }
.faq-list summary { grid-template-columns: 1fr 22px; }

.closing-section { padding-top: 20px; }
.closing-card { display: grid; gap: 28px; padding: 32px 24px; border-radius: 24px; background: linear-gradient(130deg, var(--primary), #8fa3f5); color: var(--primary-ink); }
.closing-card h2 { color: var(--primary-ink); }
.closing-card .eyebrow { background: rgba(4, 18, 54, .08); border-color: rgba(4, 18, 54, .18); color: var(--primary-ink); }
.closing-actions { display: flex; flex-direction: column; align-items: stretch; gap: 16px; }
.button-light { background: var(--primary-ink); color: #fff; }

.site-footer { padding: 48px 0 100px; border-top: 1px solid var(--line); background: var(--bg-2); color: var(--muted-2); }
.footer-grid { display: grid; gap: 26px; }
.footer-brand { color: #fff; }
.footer-grid p { margin-top: 12px; font-size: .9rem; }
.footer-grid nav { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-grid nav a { color: var(--muted); font-size: .9rem; text-decoration: none; }
.footer-note { display: grid; gap: 6px; margin-top: 32px; padding-top: 22px; border-top: 1px solid var(--line); font-size: .75rem; }
.footer-note p { margin: 0; }

.consent { position: fixed; z-index: 150; right: 12px; bottom: 12px; left: 12px; display: grid; gap: 16px; max-width: 720px; padding: 18px; border: 1px solid var(--line-strong); border-radius: 16px; background: var(--surface); box-shadow: var(--shadow); }
.consent[hidden] { display: none; }
.consent strong { display: block; color: #fff; }
.consent p { margin: 4px 0 0; color: var(--muted); font-size: .8rem; line-height: 1.45; }
.consent-actions { display: flex; flex-direction: column; gap: 8px; }
.consent button { min-height: 44px; cursor: pointer; border: 1px solid var(--line-strong); border-radius: 9px; background: transparent; color: var(--text); font-size: .8rem; font-weight: 700; }
.consent button:last-child { background: var(--primary); color: var(--primary-ink); border-color: transparent; }

@media (min-width: 640px) {
  .shell { width: min(calc(100% - 48px), var(--max)); }
  .section-pad { padding: 84px 0; }
  .hero-actions { flex-direction: row; align-items: center; }
  .facts { grid-template-columns: repeat(4, 1fr); }
  .method-grid-text, .card-grid.three { grid-template-columns: repeat(3, 1fr); }
  .diff-grid.four { grid-template-columns: repeat(2, 1fr); }
  .closing-actions { align-items: flex-start; }
  .consent { right: 20px; bottom: 20px; left: auto; grid-template-columns: 1fr; }
  .consent-actions { flex-direction: row; }
  .consent button { padding-inline: 14px; }
}

@media (min-width: 900px) {
  html { scroll-padding-top: 84px; }
  .header-inner { min-height: 74px; }
  .desktop-nav { display: flex; gap: 26px; }
  .desktop-nav a { color: var(--muted); font-size: .88rem; font-weight: 600; text-decoration: none; }
  .desktop-nav a:hover { color: var(--cyan); }
  .header-inner .button-small { display: inline-flex; }
  .hero { padding-top: 64px; }
  .hero-grid { grid-template-columns: 1.05fr .95fr; gap: 58px; }
  .split { grid-template-columns: .8fr 1.2fr; gap: 80px; }
  .instructor-grid { grid-template-columns: .72fr 1.28fr; gap: 72px; }
  .program-layout { grid-template-columns: .78fr 1.22fr; gap: 70px; align-items: start; }
  .program-intro { position: sticky; top: 104px; }
  .diff-grid.four { grid-template-columns: repeat(4, 1fr); }
  .fit-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1.05fr .95fr; gap: 80px; }
  .price-card { padding: 38px; }
  .faq-layout { grid-template-columns: .7fr 1.3fr; gap: 70px; }
  .closing-card { grid-template-columns: 1.2fr .8fr; align-items: center; padding: 54px; }
  .footer-grid { grid-template-columns: 1fr auto; align-items: start; }
  .footer-note { grid-template-columns: 1fr auto; }
}

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

@media print {
  .site-header, .consent, .hero-actions, .closing-section { display: none !important; }
  .section-pad { padding: 28px 0; }
  body { color: #000; background: #fff; }
}