:root {
  color-scheme: light;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --text-main: #111827;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --accent: #274c77;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  color: var(--text-main);
}

.hero {
  width: min(1100px, 100%);
  display: flex;
  gap: 3rem;
  background: #fff;
  border-radius: 32px;
  padding: 3rem;
  box-shadow: 0 40px 80px rgba(15, 23, 42, 0.08);
}

@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    padding: 2rem;
  }

  .hero-left,
  .hero-right {
    flex: 1;
    padding: 0;
  }
}

.hero-left {
  flex: 0.85;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 0 1rem;
}

.hero-right {
  flex: 1.15;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-mark {
  max-width: 72px;
  height: auto;
  border-radius: 10px;
  background: transparent;
  padding: 0;
  display: block;
  object-fit: contain;
}

h1 {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  line-height: 1.1;
  margin: 0;
}

p {
  color: var(--text-muted);
  margin: 2rem 0;
  font-size: 1.05rem;
}

.cta {
  display: flex;
  gap: 1rem;
}

.cta input {
  flex: 1;
  border-radius: 14px;
  border: 1px solid var(--border);
  padding: 1rem 1.25rem;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.cta input:focus {
  border-color: var(--accent);
}

.cta button {
  border: none;
  border-radius: 14px;
  background: var(--accent);
  padding: 1rem 1.75rem;
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(103, 50, 255, 0.35);
}

.device-frame {
  width: 100%;
  max-width: 520px;
  border-radius: 28px;
  padding: 0;
  background: transparent;
  box-shadow: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.device-frame img {
  max-width: 100%;
  height: auto;
  border-radius: 28px;
  display: block;
  background: transparent;
  object-fit: contain;
}

.helper-text {
  font-size: 1rem;
  color: var(--text-muted);
}

a.helper-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(107, 114, 128, 0.4);
  padding-bottom: 2px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

a.helper-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}
