:root {
  --navy-dark: #0f172a;
  --navy: #1e3a8a;
  --blue: #3b82f6;
  --blue-light: #93c5fd;
  --bg-light: #f8fafc;
  --text-dark: #1e293b;
  --text-gray: #64748b;
  --white: #ffffff;
}

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

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

/* Header */
.site-header {
  background: var(--white);
  border-bottom: 1px solid #e2e8f0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--navy);
  text-decoration: none;
}
.logo span { color: var(--blue); }
.main-nav a {
  margin-left: 32px;
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 15px;
}
.main-nav a:hover { color: var(--blue); }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  color: var(--white);
  padding: 100px 24px;
  text-align: center;
}
.hero h1 {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.3;
}
.hero .highlight { color: var(--blue-light); }
.hero p {
  font-size: 18px;
  color: #cbd5e1;
  max-width: 600px;
  margin: 0 auto 36px;
}
.hero-buttons { display: flex; gap: 16px; justify-content: center; }
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  font-size: 16px;
  cursor: pointer;
  border: none;
}
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: #2563eb; }
.btn-outline { background: transparent; color: var(--white); border: 2px solid var(--white); }
.btn-outline:hover { background: rgba(255,255,255,0.1); }

/* Sections */
.section { max-width: 1200px; margin: 0 auto; padding: 80px 24px; }
.section-title { font-size: 32px; font-weight: 700; text-align: center; margin-bottom: 16px; color: var(--navy-dark); }
.section-subtitle { text-align: center; color: var(--text-gray); font-size: 16px; margin-bottom: 48px; }

/* Cards grid */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.card {
  background: var(--bg-light);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
}
.card .icon { font-size: 40px; margin-bottom: 16px; }
.card h3 { font-size: 20px; margin-bottom: 12px; color: var(--navy-dark); }
.card p { color: var(--text-gray); font-size: 15px; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px; }
.price-card {
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
}
.price-card h4 { font-size: 18px; color: var(--text-gray); margin-bottom: 8px; }
.price-card .size { font-size: 14px; color: var(--blue); font-weight: 600; margin-bottom: 16px; }
.price-card .price { font-size: 36px; font-weight: 800; color: var(--navy-dark); margin-bottom: 4px; }
.price-card .price span { font-size: 14px; color: var(--text-gray); font-weight: 400; }

/* Form */
.form-box {
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg-light);
  border-radius: 16px;
  padding: 48px;
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 14px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.btn-submit {
  width: 100%;
  background: var(--blue);
  color: var(--white);
  padding: 16px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  margin-top: 12px;
}
.btn-submit:hover { background: #2563eb; }

/* Filters */
.filter-bar {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.filter-bar select {
  padding: 10px 16px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 14px;
}

/* Banner grid */
.banner-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.banner-item {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  overflow: hidden;
  text-align: center;
  padding: 16px;
}
.banner-item img { max-width: 100%; border-radius: 6px; }
.banner-item .company { font-weight: 600; margin-top: 12px; font-size: 14px; }
.banner-empty {
  text-align: center;
  padding: 80px 24px;
  color: var(--text-gray);
  grid-column: 1 / -1;
}

/* Footer */
.site-footer {
  background: var(--navy-dark);
  color: #94a3b8;
  padding: 32px 24px;
  text-align: center;
  font-size: 14px;
}
.footer-inner a { color: var(--blue-light); text-decoration: none; }

@media (max-width: 768px) {
  .hero h1 { font-size: 32px; }
  .grid-3, .pricing-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .main-nav a { margin-left: 16px; font-size: 13px; }
}