:root {
  --bg: #f7f5ff;
  --surface: #ffffff;
  --text: #201a2e;
  --muted: #5f5970;
  --primary: #673ab7;
  --primary-strong: #512da8;
  --border: #d1c4e9;
  --shadow: 0 16px 34px rgba(28, 19, 56, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  background: radial-gradient(circle at 90% 0%, #e8ddff 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.5;
}

.container {
  width: min(1080px, 92%);
  margin: 0 auto;
}

header {
  padding: 1.25rem 0 0;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.brand img {
  border-radius: 7px;
}

.cta-link {
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 0.68rem 1rem;
  border-radius: 12px;
}

.hero {
  padding: 3.5rem 0 3rem;
}

.hero-heading-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.hero-heading-row img {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.hero-heading-row h1 {
  margin: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(1.9rem, 2.2vw, 2.4rem);
}

.subtitle {
  color: var(--muted);
  width: 100%;
  max-width: 90ch;
}

.actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.2rem;
}

.app-store-btn {
  display: inline-block;
  background: #111;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  border-radius: 12px;
  padding: 0.72rem 1rem;
}

.icon-card {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: 28px;
  padding: 1.2rem;
  text-align: center;
}

.icon-card img {
  width: min(280px, 100%);
  border-radius: 28px;
}

.hero-shots {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1rem;
}

.shot {
  background: #120d24;
  border-radius: 30px;
  padding: 8px;
  box-shadow: var(--shadow);
}

.shot img {
  width: 100%;
  display: block;
  border-radius: 22px;
}

section {
  padding: 2.6rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 1.3rem;
}

.feature-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: #fff;
  border-radius: 18px;
  border: 1px solid var(--border);
  padding: 1rem;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.screenshot-grid figure {
  margin: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 0.75rem;
}

.screenshot-grid img {
  width: 100%;
  display: block;
  border-radius: 14px;
}

.screenshot-grid figcaption {
  margin-top: 0.6rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

details {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.75rem 0.9rem;
}

summary {
  cursor: pointer;
  font-weight: 600;
}

footer {
  background: linear-gradient(120deg, var(--primary-strong), var(--primary));
  color: #fff;
  margin-top: 2rem;
  padding: 2.8rem 0 2rem;
}

.footer-links a {
  color: #fff;
}

@media (max-width: 860px) {
  .hero-grid,
  .feature-grid,
  .screenshot-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .hero-shots {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .hero-shots {
    grid-template-columns: 1fr;
  }
}
