:root {
  --navy: #101b3f;
  --violet: #7048e8;
  --pink: #ff5da2;
  --mint: #35d6a6;
  --sky: #5ab8ff;
  --paper: #fbfbff;
  --muted: #66708c;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--navy);
  font-family: Poppins, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 5vw;
  background: rgba(251, 251, 255, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--violet), var(--pink));
  color: #fff;
  font-weight: 900;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-weight: 800;
  color: var(--muted);
}

.hero {
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  align-items: center;
  gap: 54px;
  padding: 80px 5vw 100px;
  background:
    radial-gradient(circle at 18% 20%, rgba(90, 184, 255, 0.34), transparent 30%),
    radial-gradient(circle at 86% 25%, rgba(255, 93, 162, 0.24), transparent 28%),
    linear-gradient(180deg, #ffffff, #f0f4ff);
}

.pill {
  display: inline-flex;
  margin: 0 0 16px;
  padding: 9px 13px;
  border-radius: 999px;
  background: rgba(112, 72, 232, 0.1);
  color: var(--violet);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 920px;
  font-size: clamp(3rem, 7vw, 7rem);
  line-height: 0.92;
  letter-spacing: -0.08em;
  margin-bottom: 28px;
}

h2 {
  font-size: clamp(2.1rem, 4vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.hero p,
.intro p,
.tab-panel p,
.journey-grid p,
.proof-list p,
footer p {
  color: var(--muted);
  line-height: 1.75;
  font-size: 1.05rem;
}

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

.hero-actions a,
footer button {
  padding: 15px 20px;
  border-radius: 999px;
  background: var(--navy);
  color: #fff;
  font-weight: 900;
}

.hero-actions a:last-child {
  background: #fff;
  color: var(--violet);
  box-shadow: 0 15px 35px rgba(16, 27, 63, 0.12);
}

.stack {
  position: relative;
  height: 480px;
}

.stack div {
  position: absolute;
  width: 250px;
  padding: 24px;
  border-radius: 30px;
  color: #fff;
  font-weight: 900;
  font-size: 1.6rem;
  box-shadow: 0 25px 60px rgba(16, 27, 63, 0.2);
}

.stack div:nth-child(1) {
  top: 20px;
  left: 20px;
  background: var(--violet);
}

.stack div:nth-child(2) {
  top: 130px;
  right: 10px;
  background: var(--sky);
}

.stack div:nth-child(3) {
  bottom: 120px;
  left: 0;
  background: var(--pink);
}

.stack div:nth-child(4) {
  bottom: 20px;
  right: 46px;
  background: var(--mint);
}

.solutions,
.journey,
.proof,
footer {
  padding: 100px 5vw;
}

.solutions {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 34px;
}

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

.tab {
  border: 0;
  border-radius: 22px;
  padding: 24px;
  background: #eef2ff;
  color: var(--navy);
  text-align: left;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.tab.active {
  background: linear-gradient(135deg, var(--violet), var(--pink));
  color: #fff;
}

.tab-panel {
  grid-column: 2;
  padding: 34px;
  border-radius: 34px;
  background: var(--navy);
  color: #fff;
}

.tab-panel p {
  color: #cfd7ff;
}

.journey {
  background: var(--navy);
  color: #fff;
}

.journey .pill {
  background: rgba(255, 255, 255, 0.1);
  color: var(--mint);
}

.journey-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.journey-grid article {
  padding: 26px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.08);
}

.journey-grid span {
  color: var(--mint);
  font-weight: 900;
}

.journey-grid p {
  color: #cfd7ff;
}

.proof {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 34px;
}

.proof-list {
  display: grid;
  gap: 16px;
}

.proof-list p {
  padding: 24px;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 20px 50px rgba(16, 27, 63, 0.08);
}

.service-suite,
.comparison,
.knowledge {
  padding: 100px 5vw;
}

.service-suite {
  background: linear-gradient(180deg, #ffffff, #f5f7ff);
}

.suite-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.suite-grid article {
  min-height: 300px;
  padding: 28px;
  border-radius: 30px;
  background: #fff;
  box-shadow: 0 20px 50px rgba(16, 27, 63, 0.08);
}

.suite-grid p,
.comparison p,
.knowledge p {
  color: var(--muted);
  line-height: 1.75;
}

.comparison {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 36px;
  background: var(--navy);
  color: #fff;
}

.comparison .pill {
  background: rgba(255, 255, 255, 0.1);
  color: var(--mint);
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.compare-grid div {
  padding: 30px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.08);
}

.compare-grid p {
  color: #cfd7ff;
}

.knowledge {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 34px;
  background: #fff;
}

.knowledge div {
  display: grid;
  gap: 14px;
}

.knowledge p {
  margin: 0;
  padding: 22px;
  border-radius: 24px;
  background: #eef2ff;
}

footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  background: #eef2ff;
}

footer a {
  color: var(--violet);
  font-weight: 900;
}

form {
  display: grid;
  gap: 12px;
}

input,
textarea {
  width: 100%;
  border: 0;
  border-radius: 18px;
  padding: 16px;
  background: #fff;
  color: var(--navy);
  font: inherit;
  box-shadow: 0 12px 30px rgba(16, 27, 63, 0.08);
}

textarea {
  min-height: 130px;
}

footer button {
  border: 0;
  cursor: pointer;
}

.status {
  min-height: 24px;
  color: var(--violet);
  font-weight: 800;
}

@media (max-width: 860px) {
  .header,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .solutions,
  .proof,
  footer,
  .journey-grid,
  .suite-grid,
  .comparison,
  .compare-grid,
  .knowledge {
    grid-template-columns: 1fr;
  }

  .tab-panel {
    grid-column: auto;
  }

  .stack {
    height: auto;
    display: grid;
    gap: 14px;
  }

  .stack div {
    position: static;
    width: auto;
  }
}