:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --text: #1f2937;
  --text-light: #6b7280;
  --bg: #ffffff;
  --bg-alt: #f9fafb;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.lp-header {
  padding: 20px 0;
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  z-index: 100;
}

.lp-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  margin: 0;
  color: var(--primary);
}

.btn-login {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 6px;
  transition: background 0.2s;
}

.btn-login:hover {
  background: var(--bg-alt);
}

/* Hero */
.hero {
  padding: 80px 0;
  background: radial-gradient(circle at top right, #eef2ff, transparent);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero h2 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 40px;
}

.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 16px 32px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.2s;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.phone-mockup {
  background: #111;
  border-radius: 40px;
  padding: 10px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  max-width: 300px;
  margin: 0 auto;
}

.screen {
  background: #1f2937;
  border-radius: 30px;
  aspect-ratio: 9/19.5;
  /* Placeholder gradient */
  background: linear-gradient(180deg, #1f2937 0%, #111827 100%);
}

/* Features */
.features {
  padding: 80px 0;
}

.features h3,
.faq h3 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 60px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
}

.feature-card {
  padding: 30px;
  border-radius: 12px;
  background: var(--bg-alt);
  transition: transform 0.2s;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.feature-card h4 {
  margin: 0 0 10px 0;
  font-size: 1.25rem;
}

.feature-card p {
  color: var(--text-light);
  margin: 0;
}

/* How to */
.how-to {
  padding: 80px 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
}

.step {
  position: relative;
  padding: 20px;
}

.step-badge {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.step h4 {
  font-size: 1.5rem;
  margin: 0 0 16px 0;
}

.step p {
  color: var(--text-light);
  margin: 0;
}

/* FAQ */
.faq {
  padding: 80px 0;
  background: var(--bg-alt);
}

.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 30px;
}

.faq-item dt {
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: 10px;
}

.faq-item dd {
  margin: 0;
  color: var(--text-light);
}

/* Footer */
.lp-footer {
  padding: 40px 0;
  text-align: center;
  color: var(--text-light);
  border-top: 1px solid #e5e7eb;
}

/* Mobile */
@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero h2 {
    font-size: 2.5rem;
  }

  .hero-image {
    order: -1;
    margin-bottom: 40px;
  }
}