:root {
  --blue-950: #071b48;
  --blue-800: #0b3488;
  --blue-700: #0757ba;
  --blue-100: #eaf5ff;
  --red-700: #c8172e;
  --red-600: #e5233f;
  --yellow-400: #ffc928;
  --white: #ffffff;
  --ink: #10203c;
  --muted: #5b667a;
  --surface: #f5f8fc;
  --border: #dce4ef;
  --shadow: 0 16px 40px rgb(7 27 72 / 12%);
  --radius: 1.25rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
button, a { font: inherit; }
button { border: 0; }

.container {
  width: min(100% - 2rem, 73.75rem);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid rgb(220 228 239 / 80%);
  background: rgb(255 255 255 / 94%);
  backdrop-filter: blur(10px);
}

.header-content {
  display: flex;
  min-height: 4.25rem;
  align-items: center;
  gap: 1rem;
}

.brand {
  color: var(--blue-800);
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.hero {
  overflow: hidden;
  padding: 2.25rem 0 2.75rem;
  background: radial-gradient(circle at 90% 5%, rgb(255 201 40 / 38%), transparent 28rem), linear-gradient(180deg, #f4faff 0%, #ffffff 100%);
}

.hero-grid, .feature-grid, .split-layout { display: grid; gap: 2rem; }
.hero-grid { grid-template-columns: minmax(0, 1fr); }
.hero-content { min-width: 0; align-self: center; }

.eyebrow {
  margin: 0 0 0.6rem;
  color: var(--blue-700);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  line-height: 1.3;
  text-transform: uppercase;
}

h1, h2, h3, p { overflow-wrap: break-word; }
h1, h2, h3 { margin-top: 0; line-height: 1.12; }

h1 {
  max-width: 15ch;
  margin-bottom: 0.8rem;
  color: var(--blue-950);
  font-size: clamp(2.2rem, 8vw, 3.8rem);
  letter-spacing: -0.055em;
}

h2 {
  margin-bottom: 1rem;
  color: var(--blue-950);
  font-size: clamp(1.75rem, 7vw, 3rem);
  letter-spacing: -0.04em;
}

h3 { margin-bottom: 0.6rem; color: var(--blue-950); font-size: 1.2rem; }

.hero-subtitle {
  max-width: 38rem;
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  margin: 0 0 1rem;
  padding: 0;
  gap: 0.45rem;
  list-style: none;
}

.hero-chips li {
  padding: 0.38rem 0.65rem;
  border: 1px solid rgb(7 87 186 / 18%);
  border-radius: 999px;
  color: var(--blue-800);
  background: rgb(255 255 255 / 74%);
  font-size: 0.78rem;
  font-weight: 750;
  line-height: 1.25;
}

.purchase-box {
  max-width: 29rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.price-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.price-placeholder {
  margin: 0.15rem 0 1rem;
  color: var(--blue-950);
  font-size: 1.25rem;
  font-weight: 900;
}

.cta-button {
  display: inline-flex;
  width: 100%;
  min-height: 3.5rem;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.25rem;
  border: 0;
  border-radius: 0.85rem;
  color: var(--white);
  background: var(--red-600);
  box-shadow: 0 10px 20px rgb(200 23 46 / 22%);
  cursor: pointer;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-align: center;
  text-decoration: none;
  transition: background-color 160ms ease, transform 160ms ease;
}

.cta-button:hover { background: var(--red-700); }
.cta-button:active { transform: translateY(1px); }

.cta-button:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 3px solid var(--yellow-400);
  outline-offset: 3px;
}

.checkout-status {
  min-height: 1.4em;
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

.hero-media {
  position: relative;
  width: 100%;
  max-width: 35rem;
  min-width: 0;
  align-self: center;
  justify-self: center;
}

.hero-media::before {
  position: absolute;
  z-index: -1;
  inset: 8% -10% -8% 10%;
  border-radius: 50%;
  background: var(--yellow-400);
  content: "";
  opacity: 0.3;
}

.hero-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  object-fit: contain;
}

.highlights {
  padding: 3.5rem 0;
  color: var(--white);
  background: var(--blue-950);
}

.highlights h2, .section-blue h2, .final-cta h2 { color: var(--white); }
.section-heading { max-width: 42rem; margin-bottom: 1.75rem; }
.section-heading-centered { margin-inline: auto; text-align: center; }

.highlight-grid {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 0.8rem;
  list-style: none;
}

.highlight-card {
  display: flex;
  min-height: 7rem;
  flex-direction: column;
  justify-content: center;
  padding: 1.2rem;
  border: 1px solid rgb(255 255 255 / 16%);
  border-radius: 1rem;
  background: rgb(255 255 255 / 8%);
}

.highlight-card strong { color: var(--yellow-400); font-size: 1.55rem; line-height: 1.1; }
.highlight-card span { margin-top: 0.35rem; color: #e6efff; }
.section { padding: 4.5rem 0; }
.section-soft { background: var(--surface); }
.kit-container { max-width: 68.75rem; }
.kit-section .section-heading { margin-bottom: 1.25rem; }
.kit-layout,
.kit-grid {
  display: grid;
  gap: 1rem;
}

.section-media {
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.section-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
}

.book-visual {
  display: grid;
  gap: 1rem;
}

.kit-card {
  overflow: hidden;
  min-height: 12rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 10px 30px rgb(7 27 72 / 7%);
}

.kit-card p, .feature-content p, .information-card p { margin-bottom: 0; color: var(--muted); }

.item-number {
  display: inline-flex;
  width: 2.8rem;
  height: 2.8rem;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  border-radius: 50%;
  color: var(--white);
  background: var(--blue-700);
  font-size: 0.78rem;
  font-weight: 900;
}

.information-card {
  align-self: center;
  padding: 1.5rem;
  border-left: 0.35rem solid var(--yellow-400);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--white);
  box-shadow: var(--shadow);
}

.information-card > p:first-child { color: var(--ink); font-size: 1.1rem; font-weight: 700; }
.supporting-text { margin-top: 0.75rem; }
.feature-content { align-self: center; }

.check-list {
  display: grid;
  margin: 1.5rem 0 0;
  padding: 0;
  gap: 0.85rem;
  list-style: none;
}

.check-list li { position: relative; padding-left: 2rem; color: var(--ink); font-weight: 700; }

.check-list li::before {
  position: absolute;
  top: 0.05rem;
  left: 0;
  color: var(--blue-700);
  content: "✓";
  font-size: 1.2rem;
  font-weight: 900;
}

.section-blue {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue-950), var(--blue-800));
}

.section-blue .feature-content p:not(.eyebrow) { color: #dceaff; }
.eyebrow-light { color: var(--yellow-400); }

.section-media-dark { box-shadow: 0 16px 40px rgb(0 0 0 / 22%); }

.final-cta {
  padding: 4.5rem 0;
  color: var(--white);
  background: var(--red-700);
  text-align: center;
}

.final-cta-content {
  display: grid;
  max-width: 60rem;
  align-items: center;
  gap: 2rem;
}

.final-cta-copy { max-width: 48rem; margin-inline: auto; }
.final-cta-media { width: min(100%, 28rem); margin-inline: auto; }
.final-price { margin: 1rem 0 1.25rem; font-size: 1.3rem; font-weight: 900; }

.cta-button-light {
  max-width: 28rem;
  color: var(--red-700);
  background: var(--white);
  box-shadow: 0 10px 24px rgb(70 0 8 / 25%);
}

.cta-button-light:hover { background: #fff5f6; }
.checkout-status-light { color: #ffe9ec; }
.faq-container { max-width: 52rem; }
.faq-list { display: grid; gap: 0.75rem; }

.faq details {
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--white);
}

.faq summary {
  padding: 1.1rem 3rem 1.1rem 1.15rem;
  color: var(--blue-950);
  cursor: pointer;
  font-weight: 800;
}

.faq details p { margin: 0; padding: 0 1.15rem 1.2rem; color: var(--muted); }

.site-footer {
  padding: 1.5rem 0;
  color: #cfdbef;
  background: #05132f;
  text-align: center;
}

.site-footer p { margin: 0; font-weight: 800; }

.mobile-sticky-cta { display: none; }

@media (max-width: 51.99rem) {
  body.has-mobile-sticky-cta {
    padding-bottom: calc(4.75rem + env(safe-area-inset-bottom));
    scroll-padding-bottom: calc(4.75rem + env(safe-area-inset-bottom));
  }

  .site-header { position: static; }
  .header-content { min-height: 3.5rem; }
  .brand { font-size: 1.1rem; }

  .hero { padding: 1.5rem 0; }
  .hero-grid { min-width: 0; grid-template-columns: 100%; gap: 0; }
  .hero-content { display: contents; }
  .hero-content > * { min-width: 0; }
  .hero-content > .eyebrow { order: 1; margin-bottom: 0.5rem; }
  .hero-content > h1 {
    order: 2;
    max-width: 14ch;
    margin-bottom: 0.55rem;
    font-size: 2rem;
  }
  .hero-content > .hero-subtitle { order: 3; margin-bottom: 0.85rem; font-size: 1rem; }
  .hero-media { order: 4; max-width: 19rem; margin-bottom: 0.85rem; }
  .hero-content > .hero-chips { order: 5; width: 100%; margin-bottom: 0.75rem; gap: 0.35rem; }
  .hero-chips li { padding: 0.32rem 0.55rem; font-size: 0.74rem; }
  .hero-content > .purchase-box { order: 6; width: 100%; max-width: none; padding: 0.8rem; }
  .price-placeholder { margin-bottom: 0.7rem; }
  .purchase-box .cta-button { min-height: 3.25rem; padding-block: 0.75rem; }
  .purchase-box .checkout-status:empty { display: none; }

  .highlights { padding: 2.75rem 0; }
  .highlights .section-heading { margin-bottom: 1.25rem; }
  .highlight-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.5rem; }
  .highlight-card { min-height: 5.5rem; padding: 0.85rem; }
  .highlight-card strong { font-size: 1.35rem; }
  .highlight-card span { margin-top: 0.25rem; font-size: 0.9rem; line-height: 1.35; }

  .kit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.65rem; }
  .kit-card { min-height: 0; padding: 0.9rem; }
  .kit-card h3 { font-size: 1.05rem; }
  .kit-card p { font-size: 0.9rem; line-height: 1.45; }
  .item-number { width: 2.25rem; height: 2.25rem; margin-bottom: 0.85rem; }

  .information-card > p:first-child {
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.65;
  }

  .mobile-sticky-cta {
    position: fixed;
    z-index: 20;
    right: 0;
    bottom: 0;
    left: 0;
    display: block;
    padding: 0.55rem 1rem calc(0.55rem + env(safe-area-inset-bottom));
    border-top: 1px solid rgb(220 228 239 / 90%);
    background: rgb(255 255 255 / 96%);
    box-shadow: 0 -8px 24px rgb(7 27 72 / 12%);
    opacity: 0;
    pointer-events: none;
    transform: translateY(100%);
    transition: opacity 160ms ease, transform 160ms ease;
  }

  .mobile-sticky-cta.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .mobile-sticky-cta .cta-button { min-height: 3.25rem; padding-block: 0.75rem; }
}

@media (min-width: 38rem) {
  .highlight-grid, .kit-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 52rem) {
  .container { width: min(100% - 3rem, 73.75rem); }
  .hero { padding: 2.5rem 0 3rem; }
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(30rem, 35rem); align-items: center; gap: 2.25rem; }
  .hero-media { justify-self: end; }
  .highlight-grid { grid-template-columns: repeat(4, 1fr); }
  .kit-section { padding-block: 4.5rem; }
  .kit-layout { grid-template-columns: minmax(25rem, 1.08fr) minmax(0, 0.92fr); align-items: center; gap: 1.25rem; }
  .feature-grid, .split-layout { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; gap: 4rem; }
  .section-book .split-layout,
  .section-markers .feature-grid,
  .section-in-use .feature-grid { gap: 3rem; }
  .feature-grid-reverse .feature-content { order: 2; }
  .feature-grid-reverse .section-media { order: 1; }
  .section { padding: 6rem 0; }
  .section-book,
  .section-markers,
  .section-in-use { padding-block: 4.5rem; }
  .cta-button { width: auto; min-width: 18rem; }
  .purchase-box .cta-button { width: 100%; }
  .final-cta-content { grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.95fr); text-align: left; }
  .final-cta-copy { margin-inline: 0; }
  .final-cta-copy .checkout-status { max-width: 28rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cta-button { transition: none; }
}
