:root {
  --green-dark: #1b5e3f;
  --green: #2f8f5b;
  --green-light: #e7f5ee;
  --blue: #1c4e6e;
  --blue-light: #eaf3f8;
  --ink: #1f2a2e;
  --ink-soft: #4a5a58;
  --bg: #ffffff;
  --bg-alt: #f6faf8;
  --border: #e0e8e4;
  --radius: 12px;
  --shadow: 0 4px 16px rgba(27, 94, 63, 0.08);
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

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

h1, h2, h3 {
  line-height: 1.2;
  margin-top: 0;
}

a {
  color: var(--green-dark);
  text-decoration: none;
}

ul {
  padding-left: 0;
  list-style: none;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--green-dark);
  white-space: nowrap;
}

.logo span {
  color: var(--blue);
  font-weight: 600;
}

.main-nav {
  display: flex;
  gap: 28px;
}

.main-nav a {
  color: var(--ink);
  font-weight: 500;
  font-size: 0.97rem;
}

.main-nav a:hover {
  color: var(--green-dark);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

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

.btn-primary {
  background: var(--green);
  color: #fff;
}

.btn-primary:hover {
  background: var(--green-dark);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--green-dark);
  border-color: var(--green);
}

.btn-outline:hover {
  background: var(--green-light);
}

.btn-large {
  padding: 16px 36px;
  font-size: 1.1rem;
}

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--green-light) 0%, var(--blue-light) 100%);
  padding: 72px 0;
}

.hero-inner {
  max-width: 720px;
  text-align: center;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.4rem;
  color: var(--green-dark);
  margin-bottom: 18px;
}

.hero p {
  font-size: 1.15rem;
  color: var(--ink-soft);
  margin-bottom: 32px;
}

/* Sections */
.section {
  padding: 72px 0;
}

.section h2 {
  font-size: 1.9rem;
  text-align: center;
  color: var(--green-dark);
  margin-bottom: 10px;
}

.section-subtitle {
  text-align: center;
  color: var(--ink-soft);
  max-width: 560px;
  margin: 0 auto 40px;
}

.services {
  background: var(--bg-alt);
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.card h3 {
  color: var(--green-dark);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.card p {
  color: var(--ink-soft);
  margin: 0;
}

/* Pricing */
.pricing-options {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  max-width: 700px;
  margin: 0 auto;
}

.pricing-option {
  flex: 1;
  text-align: center;
}

.pricing-option .price {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 6px;
}

.pricing-option .price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--ink-soft);
}

.pricing-option h3 {
  font-size: 1.1rem;
  color: var(--green-dark);
  margin: 0 0 20px;
}

.pricing-option-note {
  display: block;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--ink-soft);
  margin-top: 2px;
}

.pricing-option .btn {
  display: inline-block;
  width: 100%;
}

.pricing-divider {
  color: var(--ink-soft);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

/* Service Area */
.service-area {
  background: var(--bg-alt);
  text-align: center;
}

.area-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-bottom: 24px;
}

.area-list li {
  background: #fff;
  border: 1px solid var(--border);
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 600;
  color: var(--blue);
}

.area-note {
  color: var(--ink-soft);
}

/* Sign Up Form */
.signup-form {
  max-width: 560px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}

.form-row {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
}

.form-row label {
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.94rem;
}

.optional {
  font-weight: 400;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.form-row input,
.form-row select,
.form-row textarea {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--ink);
  background: #fff;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(47, 143, 91, 0.15);
}

.btn-submit {
  width: 100%;
  margin-top: 8px;
}

.form-status {
  margin-top: 16px;
  text-align: center;
  font-weight: 600;
  min-height: 1.2em;
}

.form-status.success {
  color: var(--green-dark);
}

.form-status.error {
  color: #b3261e;
}

/* Footer */
.site-footer {
  background: var(--green-dark);
  color: #eafaf1;
  padding: 40px 0;
  text-align: center;
}

.footer-inner p {
  margin: 4px 0;
}

.footer-name {
  font-weight: 700;
  font-size: 1.1rem;
}

.copyright {
  margin-top: 16px;
  color: #b7d9c6;
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 720px) {
  .main-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 12px 20px 20px;
    gap: 4px;
    display: none;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 10px 0;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 52px 0;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero p {
    font-size: 1.05rem;
  }

  .section {
    padding: 52px 0;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .pricing-options {
    flex-direction: column;
    gap: 24px;
  }

  .pricing-option {
    width: 100%;
  }

  .signup-form {
    padding: 24px;
  }
}