:root {
  --purple: #6d28d9;
  --purple-light: #a78bfa;
  --lavender: #f3e8ff;
  --ink: #0b0b12;
  --text: #111827;
  --muted: #4b5563;
  --line: #e5e7eb;
  --soft: #f8f7fb;
  --white: #ffffff;
  --radius: 8px;
  --max: 1288px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
iframe {
  display: block;
  max-width: 100%;
}

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

h1,
h2,
h3 {
  font-family: Manrope, Inter, sans-serif;
  letter-spacing: 0;
}

.site-header {
  min-height: 86px;
  padding: 0 clamp(20px, 5vw, 76px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  background: var(--ink);
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 250px;
}

.brand-mark {
  width: 48px;
  height: 42px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  background: var(--purple);
  color: var(--white);
  font-family: Manrope, Inter, sans-serif;
  font-size: 14px;
  font-weight: 800;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-text strong {
  font-family: Manrope, Inter, sans-serif;
  font-size: 19px;
  line-height: 1.25;
}

.brand-text span {
  color: #c4b5fd;
  font-size: 12px;
  font-weight: 700;
}

.site-nav {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  width: min(560px, 42vw);
  color: #d1d5db;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a:hover,
.site-footer a:hover {
  color: #c4b5fd;
}

.button {
  min-height: 48px;
  padding: 0 22px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  font-weight: 900;
  line-height: 1;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--purple);
  color: var(--white);
  box-shadow: 0 16px 34px rgba(109, 40, 217, 0.3);
}

.button-primary:hover {
  background: #5b21b6;
}

.button-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.24);
  color: var(--white);
}

.button-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.button-secondary {
  background: var(--white);
  border-color: var(--line);
  color: var(--text);
}

.hero {
  background: var(--ink);
  color: var(--white);
}

.hero-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 74px 0 86px;
  display: flex;
  gap: 58px;
  align-items: center;
}

.hero-copy {
  flex: 1 1 54%;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.eyebrow,
.section-kicker,
.dark-kicker {
  width: fit-content;
  padding: 8px 12px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.eyebrow {
  background: rgba(109, 40, 217, 0.18);
  border: 1px solid rgba(196, 181, 253, 0.36);
  color: #ddd6fe;
  text-transform: none;
}

.section-kicker {
  padding: 0;
  color: var(--purple);
}

.dark-kicker {
  padding: 0;
  color: #c4b5fd;
}

.hero h1 {
  max-width: 660px;
  font-size: clamp(46px, 5vw, 72px);
  line-height: 1.08;
  font-weight: 800;
}

.lead {
  max-width: 610px;
  color: #d1d5db;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
}

.hero-actions,
.final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  max-width: 610px;
}

.stat-card {
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
}

.stat-card strong {
  font-family: Manrope, Inter, sans-serif;
  font-size: 26px;
  line-height: 1.2;
}

.stat-card span {
  color: #c4b5fd;
  font-size: 12px;
  font-weight: 800;
}

.hero-media {
  flex: 0 1 568px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.video-card {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: #111827;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.video-frame {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius);
  background: #050509;
}

.video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.video-meta,
.course-mini-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.video-meta strong,
.course-mini-card strong {
  display: block;
  font-family: Manrope, Inter, sans-serif;
  font-size: 20px;
  line-height: 1.2;
}

.video-meta span {
  display: block;
  color: var(--purple-light);
  font-size: 13px;
  font-weight: 700;
}

.video-meta a {
  flex: 0 0 auto;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: var(--white);
  color: var(--text);
  font-size: 12px;
  font-weight: 900;
}

.course-mini-card {
  padding: 24px;
  align-items: flex-start;
  border-radius: 12px;
  background: var(--white);
  color: var(--text);
}

.course-mini-card > span {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  background: var(--lavender);
  color: var(--purple);
  font-family: Manrope, Inter, sans-serif;
  font-weight: 900;
}

.course-mini-card p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.section {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 70px 0;
}

.proof {
  padding-top: 58px;
  padding-bottom: 46px;
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.split-heading {
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.section-heading h2,
.course-parts-copy h2,
.why-copy h2,
.faq-copy h2,
.final-cta h2 {
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.18;
  font-weight: 800;
}

.split-heading h2 {
  max-width: 700px;
}

.split-heading > p {
  max-width: 420px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
}

.proof-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.proof-grid article,
.pillar-card,
.reviews article,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.proof-grid article {
  padding: 26px;
  background: #fafafa;
}

.proof-grid strong {
  display: block;
  margin-bottom: 8px;
  color: var(--purple);
  font-family: Manrope, Inter, sans-serif;
  font-size: clamp(28px, 2.5vw, 36px);
  line-height: 1.18;
}

.proof-grid h3,
.pillar-card h3 {
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 900;
}

.proof-grid p,
.pillar-card p,
.why-copy p,
.why-copy li,
.instructor-card p,
.reviews p,
.faq-copy p,
.faq-list p,
.final-cta p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

.course-parts {
  width: 100%;
  max-width: none;
  padding: 70px max(20px, calc((100vw - var(--max)) / 2));
  display: flex;
  gap: 54px;
  background: var(--soft);
}

.course-parts-copy {
  width: 400px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}

.course-parts-copy p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
}

.pillar-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.pillar-card {
  min-height: 190px;
  padding: 26px;
}

.pillar-card span {
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  background: var(--lavender);
  color: var(--purple);
  font-family: Manrope, Inter, sans-serif;
  font-weight: 900;
}

.pillar-card h3 {
  font-size: 24px;
  font-family: Manrope, Inter, sans-serif;
}

.why-section,
.credibility {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 60px;
  align-items: center;
}

.course-preview-panel,
.access-card,
.final-cta {
  background: var(--ink);
  color: var(--white);
  border-radius: 12px;
}

.course-preview-panel {
  min-height: 520px;
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.panel-top {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.panel-top h2 {
  max-width: 420px;
  margin-top: 10px;
  font-size: 32px;
  line-height: 1.18;
}

.panel-top > span {
  width: 58px;
  height: 58px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  background: var(--purple);
  font-family: Manrope, Inter, sans-serif;
  font-weight: 900;
}

.preview-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.preview-list div {
  min-height: 68px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
}

.preview-list span {
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  flex: 0 0 auto;
  background: var(--purple);
}

.preview-list div:nth-child(2) span {
  background: #7c3aed;
}

.preview-list div:nth-child(3) span {
  background: var(--purple-light);
}

.preview-list strong {
  display: block;
  color: var(--white);
  font-size: 15px;
}

.preview-list p {
  color: #d1d5db;
  font-size: 12px;
  line-height: 1.35;
}

.why-copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.why-copy ul {
  padding: 0;
  margin: 6px 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  list-style: none;
}

.why-copy li {
  position: relative;
  padding-left: 24px;
}

.why-copy li::before {
  content: "";
  width: 10px;
  height: 10px;
  position: absolute;
  top: 8px;
  left: 0;
  border-radius: 50%;
  background: var(--purple);
}

.why-copy strong {
  color: var(--text);
}

.credibility {
  padding-top: 0;
}

.instructor-card {
  padding: 34px;
  display: flex;
  align-items: center;
  gap: 24px;
  border-radius: 12px;
  background: var(--lavender);
}

.avatar {
  width: 142px;
  height: 142px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  background: var(--ink);
  color: var(--white);
  font-family: Manrope, Inter, sans-serif;
  font-size: 36px;
  font-weight: 800;
}

.instructor-card h2,
.access-card h2 {
  margin: 10px 0 10px;
  font-size: 30px;
  line-height: 1.2;
}

.access-card {
  padding: 34px;
}

.access-items {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.access-items span {
  min-height: 68px;
  padding: 16px;
  display: flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  font-size: 14px;
  font-weight: 900;
}

.review-heading {
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.review-heading h2 {
  max-width: 820px;
}

.review-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.reviews article {
  padding: 26px;
}

.reviews strong {
  display: block;
  margin-top: 16px;
  color: var(--purple);
  font-size: 13px;
  font-weight: 900;
}

.faq-section {
  width: 100%;
  max-width: none;
  padding: 72px max(20px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: 430px minmax(0, 1fr);
  gap: 64px;
  background: var(--soft);
}

.faq-copy {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-list details {
  padding: 24px;
}

.faq-list summary {
  cursor: pointer;
  color: var(--text);
  font-size: 18px;
  font-weight: 900;
}

.faq-list p {
  margin-top: 8px;
}

.final-cta {
  width: min(var(--max), calc(100% - 40px));
  margin: 72px auto;
  padding: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.final-cta > div:first-child {
  max-width: 690px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.final-cta p {
  color: #d1d5db;
  font-size: 18px;
}

.site-footer {
  min-height: 92px;
  padding: 0 clamp(20px, 5vw, 76px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: var(--ink);
  color: #d1d5db;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 14px;
}

.site-footer strong {
  color: var(--white);
  font-family: Manrope, Inter, sans-serif;
}

.site-footer nav {
  display: flex;
  gap: 24px;
}

@media (max-width: 1080px) {
  .site-nav {
    display: none;
  }

  .hero-inner,
  .course-parts,
  .why-section,
  .credibility,
  .faq-section {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .course-parts-copy,
  .faq-copy {
    width: auto;
  }

  .proof-grid,
  .review-grid,
  .access-items,
  .pillar-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .site-header {
    min-height: auto;
    padding-top: 16px;
    padding-bottom: 16px;
    flex-wrap: wrap;
  }

  .brand {
    min-width: 0;
  }

  .brand-text strong {
    font-size: 16px;
  }

  .header-cta {
    width: 100%;
  }

  .hero-inner {
    width: min(100% - 32px, var(--max));
    padding: 52px 0 64px;
  }

  .hero h1 {
    font-size: 44px;
  }

  .stat-row,
  .proof-grid,
  .pillar-grid,
  .review-grid,
  .access-items {
    grid-template-columns: 1fr;
  }

  .split-heading,
  .review-heading,
  .final-cta,
  .instructor-card,
  .video-meta,
  .course-mini-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .course-preview-panel {
    min-height: 460px;
  }

  .avatar {
    width: 96px;
    height: 96px;
    font-size: 28px;
  }

  .final-cta {
    padding: 34px;
  }

  .final-actions,
  .hero-actions,
  .final-actions .button,
  .hero-actions .button,
  .site-footer nav {
    width: 100%;
  }

  .final-actions .button,
  .hero-actions .button {
    justify-content: center;
  }

  .site-footer {
    padding-top: 28px;
    padding-bottom: 28px;
    flex-direction: column;
    align-items: flex-start;
  }

  .site-footer nav {
    flex-wrap: wrap;
  }
}
