:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f4f7fb;
  --surface-strong: #eef3fa;
  --ink: #111111;
  --muted: #3f4652;
  --line: #d9e0ea;
  --accent: #0f37ff;
  --accent-strong: #0827bf;
  --accent-soft: #edf2ff;
  --hero-top: #070713;
  --hero-bottom: #00165e;
  --shadow: 0 14px 40px rgba(6, 22, 70, 0.08);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--ink);
  background: var(--bg);
}

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

p,
li {
  font-size: 18px;
  line-height: 1.8;
  color: var(--muted);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Oswald", sans-serif;
  font-weight: 600;
  line-height: 1.02;
  color: var(--ink);
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2.7rem, 6.5vw, 5rem);
  max-width: 14ch;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  max-width: 16ch;
  letter-spacing: -0.015em;
}

h3 {
  font-size: 1.45rem;
}

ul {
  margin: 0;
  padding-left: 1.2rem;
}

.page-shell {
  overflow: hidden;
}

.hero,
.section {
  position: relative;
}

.hero {
  padding: 0 0 2rem;
}

.hero__backdrop {
  position: absolute;
  inset: 0;
  margin: 0;
  border-radius: 0;
  background:
    radial-gradient(circle at top right, rgba(24, 72, 255, 0.25), transparent 30%),
    linear-gradient(180deg, var(--hero-top) 0%, #06123a 40%, var(--hero-bottom) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4.75rem clamp(1.25rem, 3vw, 2rem) 4rem;
  color: #ffffff;
  text-align: center;
}

.hero__content > * {
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.hero__content h1,
.hero__content p,
.hero__content li {
  color: inherit;
}

.eyebrow,
.section-kicker,
.checkout-card__eyebrow,
.price-box__label,
.bump-callout__label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  font-weight: 800;
}

.eyebrow {
  max-width: 66ch;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 1.1rem;
}

.hero__subhead {
  font-size: 1.12rem;
  line-height: 1.75;
  margin: 1.2rem 0 0;
  color: rgba(255, 255, 255, 0.9);
  max-width: 68ch;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
  justify-content: center;
}

.hero__highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  list-style: none;
  padding: 0;
  margin-top: 2rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  justify-content: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0.9rem 1.35rem;
  border-radius: 6px;
  font-weight: 800;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    color 180ms ease;
}

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

.button--primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(15, 55, 255, 0.28);
}

.button--primary:hover {
  background: var(--accent-strong);
}

.button--secondary {
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #ffffff;
  background: transparent;
}

.button--full {
  width: 100%;
}

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3.6rem 1.5rem;
}

.section--narrow {
  max-width: 860px;
}

.section__intro {
  display: grid;
  gap: 0.9rem;
  margin-bottom: 2rem;
}

.section-kicker,
.checkout-card__eyebrow,
.price-box__label,
.bump-callout__label {
  color: var(--accent);
}

.letter,
.closing,
.checkout-card,
.price-box,
.offer-panel,
.benefit-card,
.module-card,
.testimonial,
.callout {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.letter,
.closing {
  padding: clamp(1.6rem, 3vw, 2.5rem);
  border-radius: var(--radius-lg);
}

.letter {
  box-shadow: none;
  border: none;
  background: transparent;
  padding: 0;
}

.letter__salutation {
  color: var(--ink);
  font-weight: 700;
}

.callout {
  margin: 1.8rem 0;
  border-radius: var(--radius-md);
  padding: 1.4rem 1.3rem;
  background: var(--surface-soft);
  box-shadow: none;
}

.lead-strong {
  color: var(--ink);
  font-weight: 800;
  font-size: 1.18rem;
}

.section--split {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  align-items: start;
}

.stack {
  display: grid;
  gap: 1rem;
}

blockquote {
  margin: 0;
  padding-left: 1rem;
  border-left: 4px solid var(--accent);
  color: var(--ink);
  font-size: 1.2rem;
  line-height: 1.7;
}

.modules-grid,
.benefit-grid,
.testimonials {
  display: grid;
  gap: 1.25rem;
}

.modules-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.module-card,
.benefit-card,
.testimonial {
  border-radius: var(--radius-md);
  padding: 1.4rem;
  background: var(--surface-soft);
  box-shadow: none;
}

.module-card span {
  display: inline-flex;
  margin-bottom: 0.8rem;
  color: var(--accent);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
}

.module-card h3,
.benefit-card h3,
.testimonial figcaption,
.checkout-card h3 {
  color: #1b1b1b;
}

.section--accent {
  padding-top: 1rem;
}

.benefit-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.testimonials {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.testimonial blockquote {
  border-left: none;
  padding-left: 0;
  font-size: 1.08rem;
  color: var(--muted);
}

.testimonial figcaption {
  margin-top: 1rem;
  font-weight: 800;
  color: var(--ink);
}

.section--offer {
  padding-top: 1.5rem;
}

.offer-panel {
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  background: #fafcff;
}

.offer-list {
  display: grid;
  gap: 0.55rem;
  margin-top: 1.2rem;
}

.price-box {
  border-radius: var(--radius-md);
  padding: 1.5rem;
  background: linear-gradient(180deg, #ffffff, var(--accent-soft));
}

.price-box__price {
  font-family: "Oswald", sans-serif;
  font-size: 3.6rem;
  line-height: 1;
  margin: 0.4rem 0 0.8rem;
  color: var(--accent);
}

.price-box__note,
.microcopy {
  font-size: 0.96rem;
}

.section--checkout {
  padding-top: 1rem;
}

.checkout-layout {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.95fr);
  align-items: start;
}

.checkout-card {
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.checkout-summary {
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.signature,
.postscript {
  margin-top: 1.5rem;
}

.closing {
  text-align: center;
  background: var(--surface-soft);
  box-shadow: none;
}

@media (max-width: 980px) {
  .section--split,
  .offer-panel,
  .checkout-layout,
  .modules-grid,
  .benefit-grid,
  .testimonials {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 0;
  }

  .hero__backdrop {
    margin: 0;
    border-radius: 0;
  }
}

@media (max-width: 640px) {
  .hero__content,
  .section {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero__content {
    padding-top: 3.2rem;
    padding-bottom: 3.2rem;
  }

  h1 {
    max-width: none;
  }

  h2 {
    max-width: none;
  }

  .hero__actions,
  .hero__highlights {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }
}