:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #1f2430;
  --muted: #667085;
  --primary: #6d5efc;
  --primary-dark: #5647ef;
  --border: #e8eaf2;
  --shadow: 0 10px 30px rgba(41, 47, 76, 0.08);
  --shadow-soft: 0 6px 18px rgba(41, 47, 76, 0.06);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

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

body {
  min-height: 100vh;
}

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

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

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hero {
  padding: 28px 18px 22px;
  background:
    radial-gradient(circle at top right, rgba(109, 94, 252, 0.16), transparent 32%),
    linear-gradient(180deg, #ffffff 0%, #f7f8fd 100%);
}

.hero__badge {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(109, 94, 252, 0.1);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 14px;
}

.hero__brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero__logo {
  width: 62px;
  height: 62px;
  border-radius: 16px;
  box-shadow: 0 10px 24px rgba(109, 94, 252, 0.18);
  flex-shrink: 0;
}

.hero__brand-text {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero__title {
  margin: 0;
  font-size: 32px;
  line-height: 1.05;
}

.hero__subtitle {
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
  color: var(--muted);
  max-width: 620px;
}

.main-content {
  flex: 1;
  padding: 16px 16px 28px;
}

.audience-section {
  display: grid;
  gap: 16px;
  margin-bottom: 18px;
}

.audience-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  box-shadow: var(--shadow);
}

.audience-card--patient {
  background:
    linear-gradient(180deg, rgba(109, 94, 252, 0.05), rgba(255, 255, 255, 1) 48%);
}

.audience-card--professional {
  background:
    linear-gradient(180deg, rgba(52, 168, 83, 0.05), rgba(255, 255, 255, 1) 48%);
}

.audience-card__header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.audience-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(109, 94, 252, 0.12), rgba(109, 94, 252, 0.22));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  flex-shrink: 0;
}

.audience-card--professional .audience-card__icon {
  background: linear-gradient(135deg, rgba(52, 168, 83, 0.10), rgba(52, 168, 83, 0.20));
}

.audience-card__label {
  margin: 0 0 4px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--primary-dark);
}

.audience-card--professional .audience-card__label {
  color: #2f855a;
}

.audience-card h2 {
  margin: 0;
  font-size: 22px;
}

.audience-card__description {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.audience-list {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.audience-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: #334155;
  line-height: 1.45;
}

.audience-list li::before {
  content: "•";
  position: absolute;
  left: 6px;
  top: 0;
  color: var(--primary);
  font-weight: 700;
}

.audience-card__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.highlight,
.install-box,
.ios-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 16px;
  box-shadow: var(--shadow-soft);
}

.highlight {
  margin-bottom: 18px;
}

.highlight h3,
.install-box h3,
.ios-box h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.highlight p,
.install-box p,
.ios-box p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.install-section {
  display: grid;
  gap: 14px;
}

.install-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.install-box__content {
  flex: 1;
}

.ios-box__content {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.btn-primary,
.btn-secondary {
  border: none;
  border-radius: 14px;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  min-width: 170px;
  white-space: nowrap;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 10px 24px rgba(109, 94, 252, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 14px 30px rgba(109, 94, 252, 0.34);
}

.btn-primary:active,
.btn-secondary:active {
  transform: scale(0.98);
}

.btn-secondary {
  background: #ffffff;
  color: var(--primary-dark);
  border: 1px solid rgba(109, 94, 252, 0.22);
  box-shadow: var(--shadow-soft);
}

.btn-secondary:hover {
  background: #f8f7ff;
}

.btn-primary--button {
  font-family: inherit;
}

.footer {
  padding: 14px 18px 24px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

@media (max-width: 520px) {
  .hero__brand {
    align-items: flex-start;
  }

  .hero__logo {
    width: 54px;
    height: 54px;
  }

  .install-box {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary,
  .btn-secondary,
  .btn-primary--button {
    width: 100%;
  }
}

@media (min-width: 768px) {
  .app-shell {
    max-width: 900px;
    margin: 0 auto;
  }

  .hero {
    padding: 40px 28px 26px;
    border-bottom-left-radius: var(--radius-xl);
    border-bottom-right-radius: var(--radius-xl);
  }

  .hero__title {
    font-size: 40px;
  }

  .hero__logo {
    width: 72px;
    height: 72px;
  }

  .main-content {
    padding: 24px 24px 34px;
  }

  .audience-section {
    grid-template-columns: 1fr 1fr;
  }

  .audience-card {
    padding: 22px 20px;
  }
}