:root {
  --ink: #10131a;
  --graphite: #242936;
  --muted: #626b7a;
  --paper: #f7f4ee;
  --paper-strong: #eee8dc;
  --white: #ffffff;
  --line: #dde3ea;
  --blue: #2563eb;
  --blue-dark: #123b8f;
  --green: #16a34a;
  --amber: #f59e0b;
  --shadow: 0 24px 80px rgba(16, 19, 26, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

body::selection {
  background: rgba(37, 99, 235, 0.2);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 16px clamp(20px, 4vw, 64px);
  background: rgba(16, 19, 26, 0.94);
  color: var(--white);
  backdrop-filter: blur(18px);
}

.brand,
.site-footer > div {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 850;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  font-size: 12px;
  font-weight: 950;
}

.nav {
  display: flex;
  gap: 6px;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
}

.nav a {
  padding: 8px 14px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
  font-weight: 760;
}

.nav a:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.header-cta {
  justify-self: end;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--white);
  color: var(--ink);
  font-size: 14px;
  font-weight: 850;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.78fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(56px, 7vw, 96px) clamp(20px, 5vw, 80px);
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.14), transparent 34%),
    linear-gradient(315deg, rgba(22, 163, 74, 0.16), transparent 38%),
    var(--paper);
}

.hero-copy {
  max-width: 820px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue-dark);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 900px;
  margin-bottom: 22px;
  font-size: clamp(48px, 7.2vw, 94px);
  line-height: 0.94;
  letter-spacing: 0;
  text-wrap: balance;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 4.4vw, 58px);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.12;
}

.hero-subtitle,
.section-heading p,
.bundle-panel p,
.final-cta p {
  max-width: 760px;
  color: var(--graphite);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 900;
  text-align: center;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

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

.button-primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 16px 34px rgba(37, 99, 235, 0.26);
}

.button-primary:hover {
  background: var(--blue-dark);
}

.button-secondary {
  border-color: rgba(36, 41, 54, 0.18);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
}

.trust-note {
  color: var(--muted);
  font-size: 14px;
  font-weight: 720;
}

.hero-product {
  min-width: 0;
}

.bundle-stack {
  position: relative;
  min-height: 650px;
}

.guide-preview {
  position: relative;
  z-index: 3;
  display: block;
  width: min(100%, 520px);
  margin-left: auto;
  border: 1px solid rgba(16, 19, 26, 0.14);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.product-card {
  position: absolute;
  z-index: 4;
  max-width: 330px;
  padding: 22px;
  border: 1px solid rgba(16, 19, 26, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 20px 50px rgba(16, 19, 26, 0.14);
}

.product-card strong,
.product-card small,
.product-card span {
  display: block;
}

.product-card strong {
  margin-bottom: 8px;
  font-size: 22px;
  line-height: 1.1;
}

.product-card small {
  color: var(--muted);
  font-weight: 720;
}

.card-kicker {
  margin-bottom: 10px;
  color: var(--blue-dark);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-advanced {
  left: 0;
  bottom: 80px;
  transform: rotate(-2deg);
}

.card-vault {
  right: 0;
  bottom: 12px;
  transform: rotate(2deg);
}

.band {
  background: var(--white);
}

section {
  padding: clamp(64px, 8vw, 110px) clamp(20px, 5vw, 80px);
}

.section-heading {
  max-width: 920px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.audience-grid,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.audience-grid article,
.price-card,
.bundle-panel,
.faq details {
  border: 1px solid rgba(16, 19, 26, 0.11);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 35px rgba(16, 19, 26, 0.06);
}

.audience-grid article {
  padding: 26px;
}

.audience-grid p,
.feature-row p,
.price-card p,
.price-card li,
.faq p,
.site-footer p {
  color: var(--muted);
}

.icon-box {
  display: block;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.35) 40%, transparent 40%),
    var(--blue);
  box-shadow: inset 0 -10px 0 rgba(16, 19, 26, 0.12);
}

.icon-box.green {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.35) 40%, transparent 40%),
    var(--green);
}

.icon-box.amber {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.35) 40%, transparent 40%),
    var(--amber);
}

.inside {
  background: var(--paper);
}

.feature-list {
  display: grid;
  gap: 14px;
  max-width: 1040px;
}

.feature-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding: 24px;
  border-top: 1px solid rgba(16, 19, 26, 0.12);
}

.feature-row span {
  color: var(--blue);
  font-size: 20px;
  font-weight: 950;
}

.bundle-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  padding: clamp(28px, 4vw, 48px);
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.1), transparent 34%),
    linear-gradient(315deg, rgba(22, 163, 74, 0.12), transparent 44%),
    var(--paper);
}

.asset-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.asset-grid div {
  min-height: 72px;
  padding: 16px;
  border: 1px solid rgba(16, 19, 26, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  font-weight: 850;
}

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

.use-cases .eyebrow {
  color: #9bb8ff;
}

.use-cases h2 {
  color: var(--white);
}

.case-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.case-strip span {
  padding: 11px 14px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.84);
  font-weight: 820;
}

.pricing-grid {
  align-items: stretch;
}

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px;
}

.price-card.featured {
  border-color: rgba(37, 99, 235, 0.42);
  background:
    linear-gradient(180deg, rgba(37, 99, 235, 0.09), transparent 34%),
    var(--white);
  transform: translateY(-10px);
}

.best-value {
  width: fit-content;
  margin-bottom: 18px;
  padding: 7px 11px;
  border-radius: 999px;
  background: var(--green);
  color: var(--white);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.price {
  display: block;
  margin: 12px 0 18px;
  font-size: 48px;
  line-height: 1;
}

.price-card ul {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.price-card li {
  position: relative;
  padding: 8px 0 8px 26px;
  border-top: 1px solid rgba(16, 19, 26, 0.08);
}

.price-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--green);
}

.price-card .button {
  margin-top: auto;
}

.checkout-note {
  display: none;
  margin-top: 22px;
  padding: 16px 18px;
  border-left: 5px solid var(--amber);
  border-radius: 8px;
  background: rgba(245, 158, 11, 0.1);
  color: var(--graphite);
  font-weight: 760;
}

.checkout-note.is-visible {
  display: block;
}

code {
  padding: 2px 5px;
  border-radius: 5px;
  background: rgba(16, 19, 26, 0.08);
}

.faq {
  background: var(--paper);
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 920px;
}

.faq details {
  padding: 20px 22px;
}

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

.faq p {
  margin: 12px 0 0;
}

.final-cta {
  text-align: center;
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.12), transparent 34%),
    linear-gradient(315deg, rgba(22, 163, 74, 0.14), transparent 38%),
    var(--white);
}

.final-cta h2,
.final-cta p {
  margin-left: auto;
  margin-right: auto;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px clamp(20px, 5vw, 80px);
  background: var(--ink);
  color: var(--white);
}

.site-footer .brand-mark {
  width: 34px;
  height: 34px;
}

.site-footer p {
  max-width: 540px;
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  text-align: right;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav {
    display: none;
  }

  .hero,
  .bundle-panel,
  .audience-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .bundle-stack {
    min-height: 560px;
  }

  .guide-preview {
    margin-right: auto;
  }

  .price-card.featured {
    transform: none;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 12px 16px;
  }

  .header-cta {
    display: none;
  }

  .hero {
    padding-top: 46px;
  }

  .hero-copy {
    width: 100%;
    max-width: 342px;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(34px, 10.5vw, 40px);
    line-height: 1;
    overflow-wrap: break-word;
    text-wrap: auto;
  }

  h2 {
    font-size: clamp(30px, 10vw, 40px);
  }

  .hero-subtitle,
  .section-heading p,
  .bundle-panel p,
  .final-cta p {
    font-size: 17px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .bundle-stack {
    min-height: 470px;
  }

  .product-card {
    position: relative;
    inset: auto;
    max-width: none;
    margin-top: 12px;
    transform: none;
  }

  .asset-grid,
  .feature-row {
    grid-template-columns: 1fr;
  }

  .feature-row {
    padding-left: 0;
    padding-right: 0;
  }

  .site-footer {
    display: grid;
  }

  .site-footer p {
    text-align: left;
  }
}