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

body {
  font-family: 'Inter', sans-serif;
  background: #ffffff;
  color: #1a2c3e;
  line-height: 1.5;
  scroll-behavior: smooth;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #1a2c3e 0%, #2c5f7a 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

h2 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
}

@media (max-width: 768px) {
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
  h3 { font-size: 20px; }
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 60px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  font-size: 16px;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: #1a6d4c;
  color: white;
  box-shadow: 0 2px 8px rgba(26, 109, 76, 0.2);
}

.btn-primary:hover {
  background: #0f543a;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid #1a6d4c;
  color: #1a6d4c;
}

.btn-outline:hover {
  background: #e9f5ef;
}

.header {
  padding: 20px 0;
  border-bottom: 1px solid #eef2f4;
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  z-index: 50;
}

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

.logo {
  font-size: 24px;
  font-weight: 800;
  color: #1a2c3e;
  text-decoration: none;
}

.logo span {
  color: #1a6d4c;
}

.hero {
  padding: 80px 0 64px;
}

.hero-grid {
  display: flex;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}

.hero-content {
  flex: 1;
}

.hero-badge {
  background: #e9f5ef;
  color: #1a6d4c;
  padding: 6px 14px;
  border-radius: 40px;
  font-size: 14px;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 24px;
}

.hero-text {
  font-size: 18px;
  color: #4a5b6b;
  margin: 24px 0 32px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 32px;
}

.stat {
  font-size: 14px;
  color: #4a5b6b;
}

.stat strong {
  font-size: 28px;
  color: #1a2c3e;
  display: block;
}

.hero-image {
  flex: 1;
  background: linear-gradient(145deg, #eef2f4 0%, #ffffff 100%);
  border-radius: 40px;
  padding: 32px;
  text-align: center;
}

.problem {
  background: #f8fafc;
  padding: 80px 0;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.problem-card {
  background: white;
  padding: 28px;
  border-radius: 28px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.value {
  padding: 80px 0;
}

.value-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 40px;
}

.value-col {
  background: #f8fafc;
  border-radius: 32px;
  padding: 32px;
}

.value-col h3 {
  font-size: 24px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.value-list {
  list-style: none;
}

.value-list li {
  padding: 12px 0;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.check {
  color: #1a6d4c;
  font-weight: bold;
  font-size: 20px;
}

.eco {
  background: #1a2c3e;
  color: white;
  padding: 64px 0;
  text-align: center;
}

.eco-number {
  font-size: 56px;
  font-weight: 800;
  color: #6abf8a;
}

.how {
  padding: 80px 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.step {
  text-align: center;
}

.step-number {
  width: 56px;
  height: 56px;
  background: #1a6d4c;
  color: white;
  border-radius: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  margin: 0 auto 20px;
}

.pricing {
  background: #f8fafc;
  padding: 80px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.plan {
  background: white;
  border-radius: 32px;
  padding: 32px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

.plan-price {
  font-size: 36px;
  font-weight: 800;
  margin: 20px 0;
}

.plan ul {
  list-style: none;
  margin: 24px 0;
}

.plan li {
  padding: 8px 0;
  display: flex;
  gap: 8px;
}

.cta {
  padding: 80px 0;
  text-align: center;
}

.footer {
  background: #f1f5f9;
  padding: 40px 0;
  text-align: center;
  font-size: 14px;
  color: #5a6e7c;
}

.nav-links {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  font-size: 14px;
  font-weight: 600;
}

@media (max-width: 768px) {
  .value-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    flex-wrap: wrap;
  }
}