:root {
  --purple: #4b2797;
  --purple-dark: #28145f;
  --blue: #1167d8;
  --green: #158b3c;
  --orange: #ff7a00;
  --red: #e51c23;
  --text: #241b3f;
  --muted: #5f5a75;
  --bg: #ffffff;
  --soft: #f5f3fb;
  --border: #e6e0f5;
  --radius: 18px;
  --shadow: 0 14px 35px rgba(54, 35, 100, 0.12);
}

* {
  box-sizing: border-box;
}

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

img {
  max-width: 100%;
  display: block;
}

.header {
  width: 100%;
  padding: 24px 7%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  background: white;
  position: sticky;
  top: 0;
  z-index: 20;
  box-shadow: 0 3px 20px rgba(0,0,0,.04);
}

.logo img {
  width: 210px;
}

.nav {
  display: flex;
  gap: 30px;
}

.nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 15px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 12px;
  font-weight: 800;
  text-decoration: none;
  transition: .25s ease;
}

.btn-primary {
  background: var(--purple);
  color: white;
}

.btn-primary:hover {
  background: var(--purple-dark);
}

.btn-outline {
  border: 2px solid var(--purple);
  color: var(--purple);
  background: white;
}

.btn-light {
  background: white;
  color: var(--purple);
}

.hero {
  padding: 70px 7%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 55px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(42px, 5vw, 72px);
  line-height: .98;
  color: var(--purple-dark);
  margin: 0 0 24px;
}

.hero p {
  font-size: 20px;
  line-height: 1.55;
  color: var(--muted);
  max-width: 720px;
}

.hero h4 {
  margin-top: 32px;
}

.audiences {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 18px 0 32px;
}

.audiences div {
  text-align: center;
  font-weight: 800;
  font-size: 14px;
}

.audiences img {
  width: 76px;
  margin: 0 auto 10px;
}

.hero-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.hero-image {
  display: flex;
  justify-content: center;
}

.hero-image img {
  width: 650px;
}

.problem {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  align-items: stretch;
  background: var(--soft);
}

.problem-text {
  padding: 60px 8%;
}

.problem h2,
.section h2,
.framework h2,
.difference h2 {
  color: var(--purple-dark);
  font-size: clamp(30px, 3vw, 46px);
  line-height: 1.05;
  margin: 0 0 18px;
}

.problem p,
.problem li {
  font-size: 18px;
  line-height: 1.5;
}

.problem ul {
  padding-left: 22px;
}

.problem li {
  margin-bottom: 10px;
  font-weight: 700;
}

.problem img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section {
  padding: 70px 7%;
  text-align: center;
}

.gray {
  background: var(--soft);
}

.cards {
  display: grid;
  gap: 24px;
  margin-top: 35px;
}

.six {
  grid-template-columns: repeat(6, 1fr);
}

.four {
  grid-template-columns: repeat(4, 1fr);
}

.card,
.context-card {
  background: white;
  padding: 28px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.card img {
  width: 76px;
  margin: 0 auto 16px;
}

.card h3,
.context-card h3,
.step h3 {
  color: var(--purple-dark);
  margin: 0 0 10px;
}

.card p,
.context-card p,
.step p {
  color: var(--muted);
  line-height: 1.45;
}

.framework {
  padding: 70px 7%;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 48px;
  align-items: start;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 35px;
}

.step {
  text-align: center;
}

.step img {
  width: 120px;
  margin: 0 auto 14px;
}

.results {
  text-align: center;
  background: white;
  border-left: 1px solid var(--border);
  padding-left: 40px;
}

.results img {
  margin: 22px auto 0;
}

.context-card {
  padding: 0 0 24px;
  overflow: hidden;
  text-align: left;
}

.context-card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
}

.context-card h3,
.context-card p {
  padding: 0 22px;
}

.difference {
  padding: 70px 7%;
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 40px;
  align-items: center;
}

.difference table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: var(--shadow);
  background: white;
}

.difference th {
  background: var(--purple);
  color: white;
  padding: 18px;
  text-align: center;
}

.difference td {
  padding: 18px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
}

.difference td:nth-child(2) {
  color: var(--purple);
}

.footer {
  padding: 50px 7%;
  background: linear-gradient(135deg, var(--purple-dark), var(--purple));
  color: white;
  display: grid;
  grid-template-columns: .65fr 1.35fr;
  gap: 40px;
  align-items: center;
}

.footer img {
  width: 250px;
}

.footer h2 {
  font-size: clamp(32px, 4vw, 54px);
  margin: 0 0 12px;
}

.footer p {
  font-size: 20px;
  max-width: 760px;
  line-height: 1.5;
}

@media (max-width: 1100px) {
  .six {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .hero,
  .problem,
  .framework,
  .difference,
  .footer {
    grid-template-columns: 1fr;
  }

  .results {
    border-left: 0;
    padding-left: 0;
  }

  .nav {
    display: none;
  }
}

@media (max-width: 700px) {
  .header {
    padding: 18px 5%;
  }

  .logo img {
    width: 160px;
  }

  .header .btn {
    display: none;
  }

  .hero,
  .section,
  .framework,
  .difference {
    padding: 48px 5%;
  }

  .audiences,
  .six,
  .four,
  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .hero h1 {
    font-size: 40px;
  }

  .problem-text {
    padding: 45px 5%;
  }

  .footer {
    padding: 45px 5%;
  }
}