:root {
  --bg-color: #fcfcfc;
  --text-color: #1a1a1a;
  --text-secondary: #666;
  --accent-color: #2563eb;
  --accent-hover: #1d4ed8;
  --border-color: #e5e5e5;
  --surface-color: #ffffff;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #111;
    --text-color: #eee;
    --text-secondary: #aaa;
    --border-color: #333;
    --surface-color: #1a1a1a;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.5);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.5);
  }
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 2rem;
}

header {
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  letter-spacing: -0.02em;
}

.logo img {
  width: 24px;
  height: 24px;
}

.hero {
  padding: 5rem 0 3rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  background: linear-gradient(180deg, var(--text-color) 0%, var(--text-secondary) 150%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.35rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--text-color);
  color: var(--bg-color);
  padding: 0.875rem 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  opacity: 0.95;
}

.hero-visual {
  margin-top: 4rem;
  width: 100%;
  max-width: 900px;
  background: var(--surface-color);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  line-height: 0; /* Remove space below image */
}

.browser-chrome {
  height: 40px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-color);
  display: flex;
  align-items: center;
  padding: 0 1rem;
  gap: 8px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--border-color);
}
.dot.red { background-color: #ff5f56; }
.dot.yellow { background-color: #ffbd2e; }
.dot.green { background-color: #27c93f; }

.app-screenshot {
  width: 100%;
  height: auto;
  display: block;
}

.use-cases-section {
    padding: 6rem 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 4rem;
    letter-spacing: -0.02em;
    text-align: center;
}

.feature-section {
  padding: 3rem 0;
  display: flex;
  align-items: center;
  gap: 4rem;
}

.feature-section:nth-child(even) {
  flex-direction: row-reverse;
}

.feature-text {
  flex: 1;
  min-width: 300px;
}

.feature-text h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  color: var(--text-color);
}

.feature-text p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.feature-image {
  flex: 1;
  background: var(--surface-color);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  /* Limit height so vertical screenshots don't dominate */
  max-height: 500px; 
}

.feature-image img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  object-position: top left;
}

footer {
  padding: 3rem 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
  border-top: 1px solid var(--border-color);
  margin-top: 4rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.footer-links a {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.75rem; }
  
  .feature-section,
  .feature-section:nth-child(even) {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }
  
  .feature-text {
    min-width: 100%;
  }

  .feature-image {
    max-height: none; /* Allow full height on mobile or constrain differently */
    width: 100%;
  }
}