:root {
  --ink: #071014;
  --white: #ffffff;
  --paper: #f6f7f3;
  --muted: #697579;
  --line: rgba(7, 16, 20, 0.12);
  --cyan: #14c8df;
  --green: #31ba78;
  --amber: #d6aa47;
  --coral: #ef7b5f;
}

* {
  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: 1.6;
  overflow-x: hidden;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 16px clamp(18px, 5vw, 76px);
  color: var(--white);
  background: rgba(7, 16, 20, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
}

.brand span {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--ink);
  border-radius: 50%;
  background: var(--white);
  font-weight: 900;
}

.topbar nav {
  display: flex;
  gap: clamp(14px, 3vw, 34px);
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
}

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

.language {
  display: inline-flex;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
}

.language button {
  min-width: 38px;
  height: 30px;
  color: rgba(255, 255, 255, 0.7);
  border: 0;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  font-weight: 800;
}

.language button.active {
  color: var(--ink);
  background: var(--white);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: clamp(30px, 6vw, 86px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(56px, 8vw, 110px) clamp(18px, 7vw, 96px);
  color: var(--white);
  background:
    radial-gradient(circle at 84% 22%, rgba(20, 200, 223, 0.28), transparent 30%),
    radial-gradient(circle at 18% 76%, rgba(239, 123, 95, 0.22), transparent 30%),
    linear-gradient(135deg, #071014 0%, #12373b 55%, #281b15 100%);
}

.kicker {
  margin: 0 0 16px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 26px;
  font-size: clamp(44px, 7vw, 86px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  max-width: 920px;
  font-size: clamp(30px, 4.8vw, 58px);
  line-height: 1.06;
}

h3 {
  font-size: 22px;
  line-height: 1.24;
}

.hero-copy p:not(.kicker) {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 21px;
}

.hero-board {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.node {
  min-height: 146px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.18);
}

.node.main {
  grid-column: 1 / -1;
  min-height: 190px;
  background: linear-gradient(135deg, rgba(20, 200, 223, 0.28), rgba(49, 186, 120, 0.18));
}

.node span,
.node strong {
  display: block;
}

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

.node strong {
  margin-top: 8px;
  font-size: 24px;
}

.statement {
  padding: clamp(54px, 7vw, 92px) clamp(18px, 7vw, 96px);
  color: var(--white);
  background: var(--ink);
}

.statement p {
  max-width: 980px;
  margin: 0 auto;
  font-size: clamp(28px, 5vw, 56px);
  line-height: 1.12;
  text-align: center;
}

.section {
  padding: clamp(70px, 9vw, 124px) clamp(18px, 7vw, 96px);
}

.section-head {
  margin-bottom: 42px;
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.matrix-grid article {
  min-height: 430px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.matrix-grid .featured {
  color: var(--white);
  background: linear-gradient(145deg, #0f3438, #071014);
}

.domain {
  color: var(--amber);
  font-weight: 900;
}

.matrix-grid p:not(.domain) {
  color: var(--muted);
}

.matrix-grid .featured p:not(.domain),
.matrix-grid .featured li {
  color: rgba(255, 255, 255, 0.74);
}

ul {
  display: grid;
  gap: 10px;
  padding-left: 18px;
}

.synergy {
  background: #e8f1ed;
}

.synergy-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.synergy-grid div {
  min-height: 300px;
  padding: 28px;
  background: var(--paper);
}

.synergy-grid span {
  display: block;
  margin-bottom: 68px;
  color: var(--coral);
  font-weight: 900;
}

.synergy-grid p,
.timeline p {
  color: var(--muted);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.timeline article {
  padding: 24px;
  border-top: 4px solid var(--green);
  background: var(--white);
}

.timeline span {
  display: block;
  margin-bottom: 18px;
  font-weight: 900;
}

.contact {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding: clamp(54px, 8vw, 96px) clamp(18px, 7vw, 96px);
  color: var(--white);
  background: #071014;
}

.contact h2 {
  margin-bottom: 0;
}

address {
  font-style: normal;
  text-align: right;
}

address a {
  color: var(--cyan);
  font-weight: 900;
}

@media (max-width: 1040px) {
  .topbar nav {
    display: none;
  }

  .hero,
  .matrix-grid,
  .synergy-grid,
  .timeline {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 680px) {
  .topbar {
    padding: 14px 16px;
  }

  .language {
    display: none;
  }

  .hero,
  .hero-board,
  .matrix-grid,
  .synergy-grid,
  .timeline,
  .contact {
    grid-template-columns: 1fr;
  }

  .contact {
    display: grid;
  }

  h1 {
    max-width: min(330px, 100%);
    font-size: clamp(32px, 9.2vw, 40px);
    line-height: 1.08;
    overflow-wrap: anywhere;
  }

  .hero-copy p:not(.kicker) {
    font-size: 18px;
  }

  .node,
  .node.main,
  .matrix-grid article,
  .synergy-grid div {
    min-height: auto;
  }

  .synergy-grid span {
    margin-bottom: 34px;
  }

  address {
    text-align: left;
  }
}
