:root {
  --navy: #0a1623;
  --navy-soft: #12273b;
  --ink: #142131;
  --ink-muted: #516071;
  --paper: #f3efe6;
  --paper-bright: #fffdf8;
  --line: #c9d1d7;
  --blue: #4f8cff;
  --blue-dark: #2864d7;
  --blue-pale: #dfeaff;
  --white: #ffffff;
  --shadow: 0 34px 90px rgba(4, 17, 31, 0.28);
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(10, 22, 35, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 22, 35, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 30px 30px;
}

::selection {
  background: var(--blue);
  color: var(--white);
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 12px 16px;
  background: var(--blue);
  color: var(--white);
  font-weight: 850;
  text-decoration: none;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.topbar {
  position: fixed;
  z-index: 50;
  top: 14px;
  left: 50%;
  display: grid;
  width: min(1180px, calc(100% - 28px));
  min-height: 58px;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 8px 10px 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(10, 22, 35, 0.86);
  color: var(--white);
  transform: translateX(-50%);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  text-decoration: none;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 7px;
}

.topbar nav {
  display: flex;
  justify-content: center;
  gap: clamp(14px, 2.4vw, 30px);
}

.topbar nav a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.88rem;
  font-weight: 740;
  text-decoration: none;
}

.topbar nav a:hover {
  color: var(--white);
}

.topbar__cta {
  padding: 11px 15px;
  background: var(--blue);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 850;
  text-decoration: none;
}

.topbar a:focus-visible,
.button:focus-visible,
.text-link:focus-visible,
footer a:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(440px, 0.78fr);
  align-items: center;
  gap: clamp(48px, 7vw, 112px);
  overflow: hidden;
  padding: 112px clamp(24px, 7vw, 110px) 74px;
  background:
    radial-gradient(circle at 82% 22%, rgba(79, 140, 255, 0.28), transparent 25%),
    linear-gradient(115deg, var(--navy) 0%, #0c1b2a 58%, #102b44 100%);
  color: var(--white);
  isolation: isolate;
}

.hero__grid {
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 48%, #000 100%);
}

.hero__copy {
  width: min(710px, 100%);
}

.has-js .hero__copy {
  opacity: 0;
  transform: translateY(22px);
}

.is-ready .hero__copy {
  animation: hero-rise 720ms cubic-bezier(0.2, 0.72, 0.23, 1) both;
}

.eyebrow,
.section-label {
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 0.77rem;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.brand-line {
  margin: 0 0 24px;
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(1.05rem, 1.8vw, 1.4rem);
  font-weight: 900;
  letter-spacing: -0.03em;
}

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

h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -0.045em;
}

h1 {
  max-width: 11ch;
  margin-bottom: 28px;
  font-size: clamp(4rem, 7.6vw, 7.8rem);
  line-height: 0.91;
}

.hero__lede {
  max-width: 610px;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.75);
  font-size: clamp(1.08rem, 1.55vw, 1.32rem);
  line-height: 1.65;
}

.hero__actions,
.final-cta .button {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 14px 19px;
  border: 1px solid transparent;
  font-weight: 850;
  text-decoration: none;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button--primary {
  background: var(--blue);
  color: var(--white);
}

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

.button--ghost {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--white);
}

.button--ghost:hover {
  border-color: rgba(255, 255, 255, 0.72);
}

.hero__note {
  max-width: 640px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.88rem;
  line-height: 1.6;
}

.blueprint {
  width: min(540px, 100%);
  margin: 0;
  padding: clamp(24px, 3.2vw, 42px);
  border: 1px solid rgba(10, 22, 35, 0.16);
  background:
    linear-gradient(rgba(20, 33, 49, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 33, 49, 0.055) 1px, transparent 1px),
    var(--paper-bright);
  background-size: 24px 24px;
  box-shadow: var(--shadow);
  color: var(--ink);
}

.has-js .blueprint {
  opacity: 0;
  transform: perspective(900px) rotateY(-7deg) translateX(28px);
  transform-origin: left center;
}

.is-ready .blueprint {
  animation: blueprint-enter 850ms 130ms cubic-bezier(0.2, 0.72, 0.23, 1) both;
}

.blueprint__header,
.blueprint__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--ink-muted);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.blueprint__header {
  padding-bottom: 18px;
  border-bottom: 2px solid var(--ink);
}

.blueprint__outcome {
  display: grid;
  gap: 7px;
  padding: 28px 0 24px;
}

.blueprint__outcome small {
  color: var(--blue-dark);
  font-weight: 850;
  text-transform: uppercase;
}

.blueprint__outcome strong {
  max-width: 25ch;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.45rem, 2.4vw, 2.1rem);
  font-weight: 500;
  line-height: 1.12;
}

.blueprint__modules {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.blueprint__modules li {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.has-js .blueprint__modules li {
  opacity: 0;
  transform: translateX(-12px);
}

.is-ready .blueprint__modules li {
  animation: line-in 420ms ease-out forwards;
}

.is-ready .blueprint__modules li:nth-child(1) { animation-delay: 520ms; }
.is-ready .blueprint__modules li:nth-child(2) { animation-delay: 610ms; }
.is-ready .blueprint__modules li:nth-child(3) { animation-delay: 700ms; }
.is-ready .blueprint__modules li:nth-child(4) { animation-delay: 790ms; }

.blueprint__modules li > span {
  color: var(--blue-dark);
  font-size: 0.76rem;
  font-weight: 900;
}

.blueprint__modules strong {
  font-size: 0.93rem;
}

.blueprint__modules small {
  color: var(--ink-muted);
  font-size: 0.72rem;
}

.blueprint__footer {
  padding-top: 22px;
  border-top: 2px solid var(--ink);
}

.blueprint__bar {
  flex: 1;
  height: 5px;
  overflow: hidden;
  background: var(--blue-pale);
}

.blueprint__bar i {
  display: block;
  width: 0;
  height: 100%;
  background: var(--blue);
}

.is-ready .blueprint__bar i {
  animation: bar-fill 900ms 700ms ease-out forwards;
}

.blueprint figcaption {
  margin-top: 18px;
  color: var(--ink-muted);
  font-size: 0.72rem;
  line-height: 1.5;
}

.facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--paper-bright);
}

.facts div {
  display: grid;
  gap: 5px;
  padding: 28px clamp(18px, 3.4vw, 50px);
  border-right: 1px solid var(--line);
}

.facts div:last-child {
  border-right: 0;
}

.facts strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.45rem, 2.3vw, 2.25rem);
  font-weight: 500;
}

.facts span {
  color: var(--ink-muted);
  font-size: 0.78rem;
  font-weight: 750;
}

.scope,
.acceptance,
.boundary,
.proof,
.final-cta {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.scope,
.acceptance,
.boundary,
.proof {
  padding-block: clamp(86px, 11vw, 150px);
}

.section-heading {
  display: grid;
  max-width: 780px;
  margin-bottom: clamp(48px, 7vw, 86px);
}

.section-heading--split {
  max-width: none;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.65fr);
  align-items: end;
  gap: 50px;
}

.section-heading h2,
.boundary h2,
.proof h2,
.final-cta h2 {
  margin-bottom: 20px;
  font-size: clamp(3rem, 6.1vw, 6.1rem);
  line-height: 0.95;
}

.section-heading > p,
.section-heading--split > p,
.proof__copy > p,
.final-cta > p {
  color: var(--ink-muted);
  font-size: 1rem;
  line-height: 1.75;
}

.deliverables {
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
  list-style: none;
}

.deliverables li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 180ms ease, border-color 180ms ease;
}

.deliverables li:hover {
  padding-left: 10px;
  border-color: var(--blue);
}

.deliverables li > span {
  color: var(--blue-dark);
  font-size: 0.82rem;
  font-weight: 900;
}

.deliverables strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 2.6vw, 2.35rem);
  font-weight: 500;
}

.deliverables p {
  max-width: 700px;
  margin: 8px 0 0;
  color: var(--ink-muted);
  line-height: 1.65;
}

.sequence {
  padding: clamp(84px, 10vw, 138px) max(20px, calc((100vw - 1180px) / 2));
  background: var(--navy);
  color: var(--white);
}

.section-heading--light {
  max-width: 860px;
}

.section-heading--light h2 {
  margin-bottom: 0;
}

.sequence__rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  list-style: none;
}

.sequence__rail li {
  position: relative;
  padding: 34px 28px 10px 0;
}

.sequence__rail li::before {
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--blue);
  content: "";
}

.sequence__rail li > span {
  display: block;
  margin-bottom: 28px;
  color: var(--blue);
  font-weight: 900;
}

.sequence__rail strong {
  display: block;
  margin-bottom: 10px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
  font-weight: 500;
}

.sequence__rail p {
  max-width: 26ch;
  color: rgba(255, 255, 255, 0.63);
  font-size: 0.9rem;
  line-height: 1.65;
}

.acceptance__table {
  border-top: 2px solid var(--ink);
}

.acceptance__row {
  display: grid;
  grid-template-columns: minmax(170px, 0.35fr) 1fr;
  gap: 30px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.acceptance__row--head {
  color: var(--ink-muted);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.acceptance__row strong {
  font-size: 0.94rem;
}

.acceptance__row span:last-child {
  color: var(--ink-muted);
  line-height: 1.6;
}

.boundary {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(500px, 1fr);
  gap: clamp(50px, 8vw, 110px);
  border-top: 2px solid var(--ink);
}

.boundary__columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 44px;
}

.boundary h3 {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.boundary ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.boundary li {
  padding: 10px 0;
  color: var(--ink-muted);
  line-height: 1.5;
}

.boundary li::before {
  margin-right: 9px;
  color: var(--blue-dark);
  content: "—";
}

.proof {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1fr);
  align-items: center;
  gap: clamp(54px, 9vw, 130px);
}

.proof__copy > p {
  max-width: 660px;
}

.text-link {
  display: inline-flex;
  gap: 12px;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--blue);
  color: var(--ink);
  font-weight: 850;
  text-decoration: none;
}

.proof__signal {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 70px 34px;
  background: var(--navy);
  box-shadow: var(--shadow);
  color: var(--white);
}

.proof__signal span {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1rem, 2vw, 1.6rem);
}

.proof__signal i {
  height: 2px;
  background: linear-gradient(90deg, var(--blue), rgba(79, 140, 255, 0.2));
}

.final-cta {
  margin-bottom: clamp(60px, 8vw, 110px);
  padding: clamp(58px, 8vw, 100px);
  background: var(--navy);
  color: var(--white);
}

.final-cta h2 {
  max-width: 12ch;
}

.final-cta > p {
  max-width: 700px;
  color: rgba(255, 255, 255, 0.66);
}

.final-cta .button {
  width: fit-content;
  margin-top: 12px;
}

.final-cta small {
  display: block;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.5);
}

footer {
  display: flex;
  width: min(1180px, calc(100% - 40px));
  min-height: 110px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-inline: auto;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 0.84rem;
}

footer > span {
  color: var(--ink);
  font-weight: 900;
}

footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.has-js .reveal {
  opacity: 0;
  transform: translateY(22px);
}

.reveal.is-visible {
  animation: reveal-in 620ms cubic-bezier(0.2, 0.72, 0.23, 1) both;
}

@keyframes hero-rise {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes blueprint-enter {
  to { opacity: 1; transform: perspective(900px) rotateY(0) translateX(0); }
}

@keyframes line-in {
  to { opacity: 1; transform: translateX(0); }
}

@keyframes bar-fill {
  to { width: 100%; }
}

@keyframes reveal-in {
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 120px;
  }

  .blueprint {
    width: min(680px, 100%);
    justify-self: center;
  }

  .sequence__rail {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 28px;
  }

  .section-heading--split,
  .boundary,
  .proof {
    grid-template-columns: 1fr;
  }

  .boundary {
    gap: 36px;
  }

  .proof__signal {
    min-height: 220px;
  }
}

@media (max-width: 700px) {
  .topbar {
    grid-template-columns: 1fr auto;
  }

  .topbar nav {
    display: none;
  }

  .hero {
    padding-inline: 20px;
  }

  h1 {
    font-size: clamp(3.5rem, 17vw, 5.6rem);
  }

  .hero__actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .blueprint {
    padding: 24px 20px;
  }

  .blueprint__modules li {
    grid-template-columns: 30px 1fr;
  }

  .blueprint__modules small {
    grid-column: 2;
  }

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

  .facts div:nth-child(2) {
    border-right: 0;
  }

  .facts div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .scope,
  .acceptance,
  .boundary,
  .proof,
  .final-cta,
  footer {
    width: min(100% - 28px, 1180px);
  }

  .section-heading h2,
  .boundary h2,
  .proof h2,
  .final-cta h2 {
    font-size: clamp(2.9rem, 13.5vw, 4.4rem);
  }

  .deliverables li {
    grid-template-columns: 42px 1fr;
  }

  .sequence {
    padding-inline: 20px;
  }

  .sequence__rail {
    grid-template-columns: 1fr;
  }

  .acceptance__row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .acceptance__row--head {
    display: none;
  }

  .boundary__columns {
    grid-template-columns: 1fr;
  }

  .proof__signal {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .proof__signal i {
    width: 2px;
    height: 28px;
  }

  .final-cta {
    padding-inline: 24px;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-block: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .hero__copy,
  .blueprint,
  .blueprint__modules li,
  .reveal {
    opacity: 1;
    transform: none;
  }

  .blueprint__bar i {
    width: 100%;
  }
}
