:root {
  --bg-color: #fdfbf7;
  --text-primary: #0b1e36;
  --text-secondary: #555555;
  --button-bg: #000000;
  --button-text: #ffffff;
  --border-radius-btn: 12px;
  --border-radius-img: 36px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem 1rem;
  text-align: center;
}

.container {
  max-width: 480px;
  width: 100%;
}

.hero-header h1 {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.tagline {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-weight: 500;
  line-height: 1.4;
}

.mockup-section {
  margin-bottom: 2rem;
}

.mockup-wrapper {
  filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.15));
}

.mockup-img {
  width: 100%;
  max-width: 280px;
  height: auto;
  border-radius: var(--border-radius-img);
  border: 8px solid #ffffff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.store-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

@media (min-width: 480px) {
  .store-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

.btn-store {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--button-bg);
  color: var(--button-text);
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-btn);
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.15s ease, opacity 0.15s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  width: 200px;
  justify-content: center;
}

.btn-store:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.btn-store svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.btn-text {
  text-align: left;
  line-height: 1.1;
}

.btn-text small {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  opacity: 0.8;
}

.btn-text span {
  font-size: 1rem;
  font-weight: 700;
}

footer {
  margin-top: 3rem;
  font-size: 0.85rem;
  color: #888888;
}

footer a {
  color: #888888;
  text-decoration: underline;
}

.ads-link {
  margin-top: 0.5rem;
}