:root {
  --navy: #10243e;
  --blue: #2d6cdf;
  --mist: #eaf0f5;
  --stone: #f7f4ef;
  --heather: #7b5ba7;
  --ink: #17202b;
  --muted: #667486;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--stone);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px clamp(20px, 5vw, 72px);
  background: rgba(247, 244, 239, 0.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(16, 36, 62, 0.12);
}

.brand {
  font-weight: 900;
  letter-spacing: -0.04em;
  text-decoration: none;
}

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

nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 40px;
  align-items: stretch;
  min-height: 84vh;
  padding: clamp(56px, 8vw, 112px) clamp(20px, 5vw, 72px);
}

.overline {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 880px;
  margin-bottom: 28px;
  font-size: clamp(50px, 7vw, 104px);
  line-height: 0.9;
  letter-spacing: -0.08em;
}

h2 {
  font-size: clamp(36px, 5vw, 74px);
  line-height: 0.96;
  letter-spacing: -0.07em;
}

h3 {
  font-size: 28px;
}

.hero-copy p,
.overview-card p,
.accordion p,
.framework-grid p,
.governance-grid p,
.roadmap-list p,
.contact p,
.contact-panel span {
  color: var(--muted);
  line-height: 1.75;
}

.hero-copy p {
  max-width: 720px;
  font-size: 21px;
}

.hero-image {
  position: relative;
  overflow: hidden;
  min-height: 520px;
  border-radius: 42px;
  background:
    linear-gradient(145deg, rgba(123, 91, 167, 0.35), rgba(45, 108, 223, 0.16)),
    var(--navy);
  box-shadow: 0 32px 90px rgba(16, 36, 62, 0.22);
}

.mountain {
  position: absolute;
  left: 7%;
  right: 7%;
  bottom: 16%;
  height: 46%;
  clip-path: polygon(0 100%, 20% 44%, 35% 70%, 52% 18%, 70% 66%, 83% 40%, 100% 100%);
  background: linear-gradient(135deg, #ffffff, #b8c9d8);
}

.metric {
  position: absolute;
  right: 26px;
  bottom: 26px;
  display: grid;
  gap: 8px;
  max-width: 280px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.12);
  color: white;
  backdrop-filter: blur(14px);
}

.overview {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  padding: 0 clamp(20px, 5vw, 72px) clamp(56px, 8vw, 112px);
}

.overview-card {
  min-height: 420px;
  padding: 34px;
  border-radius: 34px;
  background: white;
  box-shadow: 0 22px 60px rgba(16, 36, 62, 0.08);
}

.overview-card.dark {
  background: var(--navy);
  color: white;
}

.overview-card span {
  display: inline-block;
  margin-bottom: 80px;
  color: var(--blue);
  font-weight: 900;
}

.services,
.framework,
.governance,
.roadmap,
.insight,
.contact {
  padding: clamp(56px, 8vw, 112px) clamp(20px, 5vw, 72px);
}

.services {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
  background: var(--mist);
}

.accordion {
  display: grid;
  gap: 14px;
}

.accordion article {
  border-radius: 24px;
  background: white;
  overflow: hidden;
}

.accordion button {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-size: 24px;
  font-weight: 900;
  text-align: left;
  padding: 24px;
}

.accordion p {
  display: none;
  margin: 0;
  padding: 0 24px 24px;
}

.accordion article.open p {
  display: block;
}

.numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.4);
}

.numbers div {
  display: grid;
  gap: 8px;
  min-height: 240px;
  align-content: center;
  padding: 28px;
  background: var(--navy);
  color: white;
}

.numbers b {
  font-size: clamp(54px, 8vw, 96px);
  letter-spacing: -0.08em;
}

.numbers span {
  color: rgba(255, 255, 255, 0.72);
}

.framework-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 32px;
}

.framework-grid div {
  min-height: 310px;
  padding: 28px;
  border-radius: 28px;
  background: white;
  box-shadow: 0 18px 50px rgba(16, 36, 62, 0.08);
}

.framework-grid small {
  color: var(--heather);
  font-weight: 900;
  text-transform: uppercase;
}

.governance {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 42px;
  background: var(--mist);
}

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

.governance-grid article {
  min-height: 250px;
  padding: 28px;
  border-radius: 28px;
  background: white;
  box-shadow: 0 18px 50px rgba(16, 36, 62, 0.08);
}

.roadmap {
  background: white;
}

.roadmap-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 30px;
  overflow: hidden;
  border-radius: 28px;
  background: rgba(16, 36, 62, 0.12);
}

.roadmap-list p {
  min-height: 260px;
  margin: 0;
  padding: 26px;
  background: var(--stone);
}

.roadmap-list strong {
  display: block;
  margin-bottom: 44px;
  color: var(--navy);
  font-size: 20px;
}

.insight {
  background: linear-gradient(135deg, var(--heather), var(--blue));
  color: white;
}

blockquote {
  max-width: 1050px;
  margin: 0;
  font-size: clamp(34px, 5vw, 78px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.07em;
}

.contact {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 32px;
  align-items: end;
}

.contact-panel {
  display: grid;
  gap: 14px;
  padding: 32px;
  border-radius: 28px;
  background: white;
  box-shadow: 0 20px 55px rgba(16, 36, 62, 0.1);
}

.contact-panel a {
  color: var(--blue);
  font-size: 24px;
  font-weight: 900;
}

footer {
  display: flex;
  justify-content: space-between;
  padding: 26px clamp(20px, 5vw, 72px);
  color: var(--muted);
}

@media (max-width: 900px) {
  .site-header,
  footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }

  .hero,
  .overview,
  .services,
  .numbers,
  .framework-grid,
  .governance,
  .governance-grid,
  .roadmap-list,
  .contact {
    grid-template-columns: 1fr;
  }
}