:root {
  --primary: #1B365D;
  --accent: #2B6CB0;
  --green: #276749;
  --red: #C53030;
  --gray: #666;
  --light-gray: #f7fafc;
  --dark: #333;
  --white: #fff;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --max-width: 800px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--dark);
  background: var(--light-gray);
  line-height: 1.6;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* Nav */
nav {
  background: var(--primary);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
nav .container { display: flex; justify-content: space-between; align-items: center; }
nav a { color: var(--white); text-decoration: none; font-weight: 600; font-size: 18px; }
nav .nav-links a { margin-left: 24px; font-size: 14px; opacity: 0.85; }
nav .nav-links a:hover { opacity: 1; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}
.hero h1 { font-size: 42px; margin-bottom: 16px; }
.hero p { font-size: 20px; opacity: 0.9; max-width: 600px; margin: 0 auto 32px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform 0.1s, box-shadow 0.1s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.btn-primary { background: var(--accent); color: var(--white); }
.btn-white { background: var(--white); color: var(--primary); }
.btn-green { background: var(--green); color: var(--white); }
.btn-full { width: 100%; text-align: center; }

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
  margin-bottom: 24px;
}

/* Features */
.features { padding: 60px 0; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; margin-top: 32px; }
.feature-item { text-align: center; padding: 24px; }
.feature-item h3 { color: var(--primary); margin: 12px 0 8px; }
.feature-icon { font-size: 36px; }

/* Pricing */
.pricing { background: var(--white); padding: 60px 0; text-align: center; }
.price-card {
  display: inline-block;
  background: var(--light-gray);
  border: 2px solid var(--accent);
  border-radius: 12px;
  padding: 40px;
  max-width: 400px;
}
.price-amount { font-size: 48px; font-weight: 800; color: var(--primary); }
.price-period { font-size: 18px; color: var(--gray); }

/* Forms */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--primary); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: var(--radius);
  font-size: 15px;
  font-family: inherit;
}
.form-group input:focus, .form-group select:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px rgba(43,108,176,0.1); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.checkbox-group { display: flex; align-items: center; gap: 8px; }
.checkbox-group input { width: auto; }

/* Status */
.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
}
.status-complete { background: #c6f6d5; color: var(--green); }
.status-processing { background: #bee3f8; color: var(--accent); }
.status-pending { background: #fefcbf; color: #975a16; }
.status-failed { background: #fed7d7; color: var(--red); }

/* Delivery list */
.delivery-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid #eee;
}
.delivery-item:last-child { border-bottom: none; }

/* Footer */
footer { text-align: center; padding: 40px 0; color: var(--gray); font-size: 14px; }

/* Responsive */
@media (max-width: 600px) {
  .hero h1 { font-size: 28px; }
  .hero p { font-size: 16px; }
  .form-row { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
}