:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --dark: #0f172a;
  --light-bg: #f8fafc;
  --card-bg: #ffffff;
  --text-main: #334155;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 12px;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text-main);
  background-color: #ffffff;
  line-height: 1.6;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: 16px 0;
}

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

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--dark);
  text-decoration: none;
}

.logo span {
  color: var(--primary);
  font-weight: 500;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.9rem;
  background: var(--primary);
  color: white !important;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #f1f5f9;
  color: var(--dark);
}

.btn-secondary:hover {
  background: #e2e8f0;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
}

.btn-full {
  display: block;
  text-align: center;
  width: 100%;
}

/* Hero */
.hero {
  padding: 100px 0 80px;
  text-align: center;
  background: linear-gradient(180deg, #eff6ff 0%, #ffffff 100%);
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: #dbeafe;
  color: #1e40af;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  max-width: 900px;
  margin: 0 auto 24px;
  letter-spacing: -0.02em;
}

.hero-subtext {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
}

/* Sections */
.section {
  padding: 80px 0;
}

.bg-light {
  background-color: var(--light-bg);
}

.section-title {
  text-align: center;
  margin-bottom: 56px;
}

.section-title h2 {
  font-size: 2.25rem;
  color: var(--dark);
  margin-bottom: 12px;
}

.section-title p {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Grid & Cards */
.grid {
  display: grid;
  gap: 32px;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
  background: var(--card-bg);
  padding: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 1.3rem;
  color: var(--dark);
  margin-bottom: 12px;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Offers */
.offer-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.offer-card.featured {
  border: 2px solid var(--primary);
  box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.15);
}

.badge-top {
  position: absolute;
  top: -14px;
  right: 24px;
  background: var(--primary);
  color: white;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 12px;
  text-transform: uppercase;
}

.offer-header {
  margin-bottom: 16px;
}

.price {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 8px;
}

.offer-desc {
  margin-bottom: 24px;
}

.offer-list {
  list-style: none;
  margin-bottom: 32px;
}

.offer-list li {
  padding: 8px 0;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.95rem;
  color: var(--text-main);
}

.offer-list li::before {
  content: "✓ ";
  color: var(--primary);
  font-weight: bold;
}

/* About */
.about-text {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-text h2 {
  font-size: 2.25rem;
  color: var(--dark);
  margin-bottom: 8px;
}

.lead {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
}

.about-text p {
  font-size: 1.05rem;
  color: var(--text-main);
  margin-bottom: 16px;
}

/* Contact Box */
.contact-box {
  background: #eff6ff;
  padding: 48px;
  border-radius: var(--radius);
  max-width: 700px;
  margin: 0 auto;
}

.contact-intro {
  font-size: 1.1rem;
  margin-bottom: 32px;
  color: var(--dark);
}

.contact-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer a {
  color: var(--primary);
  text-decoration: none;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.1rem;
  }
  .nav-links {
    display: none;
  }
}