:root {
  color-scheme: light;
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  background: #f4f1f7;
  color: #1c1a2b;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background: radial-gradient(circle at top, #fef9f3 0%, #efe7f6 45%, #dcd6ef 100%);
  padding-bottom: env(safe-area-inset-bottom);
}

.hero {
  padding: 2rem 1.5rem 3rem;
  background: linear-gradient(135deg, rgba(47, 42, 68, 0.92), rgba(76, 61, 111, 0.88)),
    url("https://images.unsplash.com/photo-1518791841217-8f162f1e1131?auto=format&fit=crop&w=1600&q=80")
      center/cover no-repeat;
  color: #f9f7ff;
}

.hero h1 {
  font-size: clamp(2rem, 6vw, 3.2rem);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.topbar__link {
  color: #f9f7ff;
  text-decoration: none;
  border: 1px solid rgba(249, 247, 255, 0.6);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-size: 0.9rem;
}

.hero__content {
  max-width: 520px;
  display: grid;
  gap: 1.2rem;
}

.hero__tag {
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.85;
}

.hero__subtitle {
  font-size: 1.05rem;
  opacity: 0.9;
}

.hero__cta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.button {
  background: #ffd66b;
  color: #2b233f;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  text-align: center;
}

.hero__note {
  font-size: 0.9rem;
  opacity: 0.85;
}

.content {
  padding: 2.5rem 1.5rem 3rem;
  display: grid;
  gap: 2.5rem;
  max-width: 960px;
  margin: 0 auto;
}

.gallery {
  display: grid;
  gap: 1rem;
}

.gallery__grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.gallery__card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(39, 25, 76, 0.12);
}

.gallery__card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.gallery__caption {
  padding: 0.75rem;
  font-size: 0.9rem;
  color: #3c3558;
}

h2 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.benefits ul {
  display: grid;
  gap: 0.75rem;
  list-style: none;
}

.benefits li {
  background: #fff;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(39, 25, 76, 0.08);
}

.install__grid {
  display: grid;
  gap: 1.5rem;
}

.install ol {
  display: grid;
  gap: 0.5rem;
  padding-left: 1.2rem;
}

.faq details {
  margin-bottom: 0.75rem;
  background: #fff;
  padding: 0.8rem 1rem;
  border-radius: 12px;
}

.footer {
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #2f2a44;
  color: #efe9ff;
}

.footer a {
  color: #efe9ff;
  text-decoration: none;
}

@media (min-width: 768px) {
  .hero {
    padding: 3.5rem 3rem 4rem;
  }

  .hero__cta {
    flex-direction: row;
    align-items: center;
  }

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