:root {
  --bg: #07111f;
  --bg-soft: #0b1728;
  --surface: #102039;
  --surface-light: #f3f7fb;
  --ink: #f8fbff;
  --ink-dark: #0a1830;
  --muted: #aab8ca;
  --muted-dark: #516076;
  --line: rgba(255, 255, 255, 0.12);
  --cyan: #51e6ff;
  --cyan-strong: #17bdd8;
  --gold: #f4c86b;
  --green: #62e3ad;
  --max: 1180px;
  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Manrope", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.section-shell {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(var(--max), calc(100% - 40px));
  min-height: 76px;
  margin-inline: auto;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 38px;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(81, 230, 255, 0.5);
  border-radius: 11px;
  color: var(--cyan);
  background: rgba(81, 230, 255, 0.08);
  font-size: 0.9rem;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.header-link {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.header-link:hover { color: var(--cyan); }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(42px, 7vw, 96px);
  align-items: center;
  min-height: 700px;
  padding-block: 90px 96px;
}

.hero::before {
  position: absolute;
  z-index: -1;
  top: -160px;
  left: 42%;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(38, 151, 200, 0.18), transparent 68%);
  content: "";
  filter: blur(20px);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

h1, h2, h3, p { margin-top: 0; }

h1, h2, h3 {
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.12;
}

h1 {
  max-width: 760px;
  margin-bottom: 28px;
  font-size: clamp(2.7rem, 5.3vw, 5.25rem);
  letter-spacing: -0.055em;
}

.hero-lead {
  max-width: 660px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 0 23px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.button:hover { transform: translateY(-2px); }
.button:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }

.button-primary {
  color: #04111d;
  background: linear-gradient(135deg, #70edff, #2dcbe5);
  box-shadow: 0 15px 36px rgba(45, 203, 229, 0.24);
}

.button-primary:hover { box-shadow: 0 18px 46px rgba(45, 203, 229, 0.34); }

.button-ghost {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.035);
}

.button-ghost:hover { border-color: rgba(81, 230, 255, 0.45); }

.hero-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: -8px 0 30px;
  padding: 0;
  color: #d9e5f2;
  font-size: .88rem;
  font-weight: 700;
  list-style: none;
}

.hero-benefits li {
  position: relative;
  padding-left: 18px;
}

.hero-benefits li::before {
  position: absolute;
  top: .62em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px rgba(98,227,173,.55);
  content: "";
}

.hero-visual {
  position: relative;
  display: grid;
  min-height: 510px;
  place-items: center;
}

.glow { position: absolute; border-radius: 50%; filter: blur(36px); }
.glow-one { width: 280px; height: 280px; background: rgba(81, 230, 255, 0.2); }
.glow-two { right: 4%; bottom: 8%; width: 170px; height: 170px; background: rgba(244, 200, 107, 0.14); }

.course-card {
  position: relative;
  z-index: 1;
  width: min(100%, 470px);
  min-height: 505px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid rgba(125, 225, 255, 0.24);
  border-radius: 32px;
  background: linear-gradient(150deg, rgba(21, 45, 75, 0.96), rgba(8, 19, 34, 0.96));
  box-shadow: var(--shadow);
  transform: rotate(2deg);
}

.course-card::after {
  position: absolute;
  right: -90px;
  bottom: -110px;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(81, 230, 255, 0.2);
  border-radius: 50%;
  content: "";
}

.course-card-top, .course-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.course-label, .course-year, .course-meta {
  color: #b7c7d9;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.11em;
}

.course-orbit {
  position: relative;
  display: grid;
  width: 180px;
  margin: 54px auto 58px;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(81, 230, 255, 0.35);
  border-radius: 50%;
  box-shadow: inset 0 0 70px rgba(81, 230, 255, 0.08), 0 0 48px rgba(81, 230, 255, 0.12);
}

.course-orbit::before {
  position: absolute;
  width: 125px;
  aspect-ratio: 1;
  border: 1px dashed rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  content: "";
}

.orbit-core {
  color: var(--cyan);
  font-family: "Space Grotesk", sans-serif;
  font-size: 3.4rem;
  font-weight: 700;
  letter-spacing: -0.08em;
}

.orbit-dot { position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 20px var(--gold); }
.dot-one { top: 12px; left: 52px; }
.dot-two { right: 8px; bottom: 52px; background: var(--cyan); box-shadow: 0 0 20px var(--cyan); }
.dot-three { bottom: 20px; left: 31px; width: 7px; height: 7px; }

.course-card h2 {
  position: relative;
  z-index: 2;
  max-width: 360px;
  margin-bottom: 28px;
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  letter-spacing: -0.035em;
}

.course-meta { justify-content: flex-start; flex-wrap: wrap; letter-spacing: 0; }
.course-meta span { padding-right: 12px; border-right: 1px solid var(--line); }
.course-meta span:last-child { border-right: 0; }

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: min(1240px, calc(100% - 24px));
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #0a1729;
}

.proof-strip div { display: flex; flex-direction: column; gap: 2px; padding: 25px 30px; border-right: 1px solid var(--line); }
.proof-strip div:last-child { border-right: 0; }
.proof-strip strong { font-family: "Space Grotesk", sans-serif; font-size: 1.22rem; }
.proof-strip span { color: var(--muted); font-size: 0.86rem; }

.fit-section, .honest-section, .faq-section { padding-block: 120px; }

.section-heading { max-width: 690px; margin-bottom: 46px; }
.section-heading h2 { margin-bottom: 18px; font-size: clamp(2.2rem, 4.1vw, 3.9rem); letter-spacing: -0.045em; }
.section-heading > p:last-child { color: var(--muted); font-size: 1.05rem; }

.fit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.fit-card { min-height: 280px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-md); background: linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.02)); }
.card-index { display: inline-grid; width: 38px; height: 38px; margin-bottom: 44px; place-items: center; border: 1px solid rgba(81,230,255,.34); border-radius: 50%; color: var(--cyan); font-family: "Space Grotesk", sans-serif; font-size: .77rem; }
.fit-card h3 { margin-bottom: 14px; font-size: 1.35rem; }
.fit-card p { margin-bottom: 0; color: var(--muted); }

.section-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  margin-top: 28px;
  padding: 26px 28px;
  border: 1px solid rgba(81,230,255,.25);
  border-radius: var(--radius-md);
  background: linear-gradient(120deg, rgba(81,230,255,.08), rgba(255,255,255,.025));
}

.section-cta > div {
  display: grid;
  gap: 4px;
}

.section-cta strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.12rem;
}

.section-cta span { color: var(--muted); font-size: .9rem; }
.section-cta .button span { color: inherit; }

.curriculum { color: var(--ink-dark); background: var(--surface-light); }
.curriculum-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: clamp(50px, 8vw, 120px); padding-block: 120px; }
.curriculum .eyebrow { color: #087c93; }
.curriculum .section-heading > p:last-child { color: var(--muted-dark); }
.sticky-heading { position: sticky; top: 50px; align-self: start; }
.module-list { border-top: 1px solid #cfdae7; }
.module-item { padding: 31px 0; border-bottom: 1px solid #cfdae7; }
.module-item > span { color: #087c93; font-family: "Space Grotesk", sans-serif; font-size: .75rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.module-item h3 { margin: 10px 0 11px; font-size: 1.55rem; letter-spacing: -.025em; }
.module-item p { margin-bottom: 0; color: var(--muted-dark); }

.honest-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.honest-card { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(255,255,255,.035); }
.honest-card.positive { border-top-color: rgba(98,227,173,.7); }
.honest-card.attention { border-top-color: rgba(244,200,107,.7); }
.honest-kicker { margin-bottom: 24px; color: var(--green); font-family: "Space Grotesk", sans-serif; font-size: .82rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.attention .honest-kicker { color: var(--gold); }
.honest-card ul { display: grid; gap: 17px; margin: 0; padding-left: 23px; color: #cfdae6; }

.decision-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 45px;
  margin-top: 22px;
  padding: 30px 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.03);
}

.decision-box p {
  max-width: 720px;
  margin-bottom: 0;
  color: #c7d4e2;
}

.decision-box strong { color: var(--ink); }

.offer-section { color: var(--ink-dark); background: var(--cyan); }
.offer-grid { display: grid; grid-template-columns: 1fr 400px; gap: 70px; align-items: center; padding-block: 90px; }
.offer-section .eyebrow { color: #075264; }
.offer-section h2 { max-width: 670px; margin-bottom: 20px; font-size: clamp(2.5rem, 4.3vw, 4.25rem); letter-spacing: -.05em; }
.offer-copy { max-width: 650px; margin-bottom: 0; color: #17485c; font-size: 1.08rem; }
.offer-card { padding: 32px; border-radius: 24px; color: var(--ink); background: var(--bg); box-shadow: 0 24px 65px rgba(1,39,52,.25); }
.payment-kicker { margin-bottom: 12px; color: var(--cyan); font-family: "Space Grotesk", sans-serif; font-size: .76rem; font-weight: 700; letter-spacing: .15em; }
.checkout-message { margin-bottom: 25px; color: #d5e1ee; font-family: "Space Grotesk", sans-serif; font-size: 1.55rem; font-weight: 600; line-height: 1.25; letter-spacing: -.025em; }
.button-full { width: 100%; }
.secure-note { margin: 14px 0 0; color: #8191a7; font-size: .74rem; text-align: center; }

.faq-list { max-width: 880px; border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; padding: 25px 42px 25px 0; cursor: pointer; font-family: "Space Grotesk", sans-serif; font-size: 1.12rem; font-weight: 600; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { position: absolute; top: 24px; right: 4px; color: var(--cyan); content: "+"; font-size: 1.5rem; font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { max-width: 760px; padding: 0 40px 25px 0; color: var(--muted); }

.final-cta { background: linear-gradient(115deg, #08697e, #123751); }
.final-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 50px; padding-block: 72px; }
.final-cta .eyebrow { color: #b8f5ff; }
.final-cta h2 { max-width: 780px; margin-bottom: 0; font-size: clamp(2rem, 3.5vw, 3.4rem); letter-spacing: -.04em; }
.button-light { flex: 0 0 auto; color: var(--ink-dark); background: var(--ink); }

footer { padding: 74px 0 24px; background: #050c16; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 55px; padding-bottom: 52px; }
.footer-grid > div > p { max-width: 360px; margin: 18px 0 0; color: #7f8da2; font-size: .85rem; }
.footer-grid h2 { margin-bottom: 12px; color: #cad5e2; font-family: "Manrope", sans-serif; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; }
.footer-bottom { display: flex; justify-content: space-between; gap: 25px; padding-top: 22px; border-top: 1px solid var(--line); color: #647186; font-size: .75rem; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 70px; }
  .hero-visual { min-height: 470px; }
  .course-card { transform: none; }
  .proof-strip { grid-template-columns: 1fr 1fr; }
  .proof-strip div:nth-child(2) { border-right: 0; }
  .proof-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .fit-grid { grid-template-columns: 1fr; }
  .fit-card { min-height: auto; }
  .card-index { margin-bottom: 28px; }
  .curriculum-grid { grid-template-columns: 1fr; }
  .sticky-heading { position: static; }
  .offer-grid { grid-template-columns: 1fr; }
  .offer-card { max-width: 470px; }
  .section-cta, .decision-box { align-items: flex-start; flex-direction: column; }
  .final-cta-inner { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  .section-shell, .site-header { width: min(100% - 28px, var(--max)); }
  .site-header { min-height: 68px; }
  .header-link { display: none; }
  .header-nav { gap: 8px; }
  .hero { min-height: auto; padding: 62px 0 72px; }
  h1 { font-size: clamp(2.55rem, 13vw, 4rem); }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .hero-visual { min-height: 420px; }
  .course-card { min-height: 430px; padding: 22px; border-radius: 24px; }
  .course-orbit { width: 145px; margin: 45px auto; }
  .course-orbit::before { width: 100px; }
  .proof-strip { grid-template-columns: 1fr 1fr; }
  .proof-strip div { padding: 20px; }
  .proof-strip strong { font-size: 1rem; }
  .fit-section, .honest-section, .faq-section { padding-block: 88px; }
  .section-cta, .decision-box { padding: 24px; }
  .section-cta .button, .decision-box .button { width: 100%; }
  .curriculum-grid { padding-block: 88px; }
  .honest-grid { grid-template-columns: 1fr; }
  .honest-card { padding: 26px; }
  .offer-grid { gap: 45px; padding-block: 74px; }
  .final-cta-inner { padding-block: 60px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}