:root {
  --color-bg: #f6fbf7;
  --color-surface: #ffffff;
  --color-surface-soft: #f0faf3;
  --color-border: #d9eee0;
  --color-border-strong: #bfe1ca;
  --color-text: #163021;
  --color-text-soft: #5f7467;
  --color-primary: #1f8f4a;
  --color-primary-dark: #166a36;
  --color-primary-soft: #e9f8ee;
  --shadow-sm: 0 8px 24px rgba(22, 48, 33, 0.06);
  --shadow-md: 0 16px 40px rgba(22, 48, 33, 0.10);
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 30px;
  --container: 1200px;
  --transition: 180ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: var(--color-text);
  background: linear-gradient(180deg, #f9fcfa 0%, var(--color-bg) 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 18px 0;
  background: rgba(246, 251, 247, 0.82);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 14px 18px;
  box-shadow: var(--shadow-sm);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
}

.brand-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--color-primary);
  box-shadow: 0 0 0 6px rgba(31, 143, 74, 0.14);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-nav a {
  padding: 10px 12px;
  color: var(--color-text-soft);
  border-radius: 999px;
  transition: var(--transition);
}

.site-nav a:hover {
  color: var(--color-primary-dark);
  background: var(--color-primary-soft);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 700;
  transition: var(--transition);
}

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

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 10px 28px rgba(31, 143, 74, 0.20);
}

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

.btn-secondary {
  background: #fff;
  color: var(--color-primary-dark);
  border-color: var(--color-border-strong);
}

.hero {
  padding: 34px 0 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 22px;
  align-items: stretch;
}

.hero-content,
.hero-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.hero-content {
  padding: 42px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--color-primary-soft);
  border: 1px solid var(--color-border-strong);
  color: var(--color-primary-dark);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 18px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.hero-text,
.section-head p,
.info-card p,
.price-sub,
.gallery-body p,
.contact-card span,
.form-note,
.contact-form .form-note,
.site-footer p {
  color: var(--color-text-soft);
}

.hero-text {
  font-size: 18px;
  line-height: 1.7;
  max-width: 720px;
  margin-bottom: 24px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.hero-point {
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-card {
  padding: 22px;
  display: grid;
  gap: 14px;
  align-content: center;
  background: linear-gradient(180deg, #ffffff 0%, #f2fbf5 100%);
}

.hero-card-item {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--color-border);
}

.hero-card-item .label {
  display: block;
  color: var(--color-text-soft);
  font-size: 13px;
  margin-bottom: 8px;
}

.hero-card-item strong {
  display: block;
  font-size: 28px;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.featured-note {
  border-color: var(--color-border-strong);
}

.section {
  padding: 28px 0;
}

.section-head {
  margin-bottom: 20px;
  max-width: 760px;
}

.section-head.left {
  max-width: none;
}

.section-kicker {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--color-primary-dark);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h2 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.info-grid,
.pricing-grid,
.gallery-grid,
.contact-cards {
  display: grid;
  gap: 18px;
}

.info-grid,
.gallery-grid {
  grid-template-columns: repeat(3, 1fr);
}

.info-card,
.price-card,
.gallery-card,
.calculator-box,
.result-box,
.contact-info,
.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.info-card {
  padding: 24px;
}

.info-card h3 {
  margin-bottom: 10px;
}

.pricing-grid {
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
}

.price-card {
  position: relative;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.price-card:hover {
  transform: translateY(-2px);
}

.price-card.featured {
  border: 2px solid var(--color-primary);
  background: linear-gradient(180deg, #ffffff 0%, #f3fbf6 100%);
  transform: scale(1.02);
}

.badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

.price-card h3 {
  font-size: 24px;
  margin-bottom: 10px;
}

.price {
  font-size: 48px;
  line-height: 1;
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: -0.04em;
  margin-bottom: 10px;
}

.price-sub {
  min-height: 48px;
  margin-bottom: 18px;
}

.price-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  display: grid;
  gap: 10px;
  flex: 1;
}

.price-card li {
  padding: 12px 14px;
  border-radius: 14px;
  background: #fbfefc;
  border: 1px solid #ebf4ee;
}

.calculator-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.calculator-box,
.result-box,
.contact-info,
.contact-form {
  padding: 24px;
}

.form-block,
.contact-form {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-weight: 700;
  font-size: 14px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 14px 15px;
  border-radius: 14px;
  border: 1px solid var(--color-border-strong);
  background: #fbfefc;
  color: var(--color-text);
  outline: none;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(31, 143, 74, 0.10);
  background: #fff;
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.result-card {
  display: grid;
  gap: 12px;
  min-height: 100%;
  padding: 20px;
  border-radius: 20px;
  background: linear-gradient(180deg, #fcfffd 0%, #f4fbf7 100%);
  border: 1px solid var(--color-border);
}

.result-row,
.result-total {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.result-row strong,
.result-total strong {
  text-align: right;
}

.result-total {
  margin-top: 8px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
  align-items: center;
}

.result-total strong {
  font-size: 38px;
  line-height: 1;
  color: var(--color-primary-dark);
  letter-spacing: -0.04em;
}

.gallery-card {
  overflow: hidden;
}

.gallery-image {
  display: grid;
  place-items: center;
  aspect-ratio: 1.35 / 1;
  font-weight: 700;
  color: var(--color-primary-dark);
  background:
    linear-gradient(135deg, rgba(31, 143, 74, 0.08), rgba(31, 143, 74, 0.02)),
    repeating-linear-gradient(
      45deg,
      #eff8f2,
      #eff8f2 14px,
      #f8fcf9 14px,
      #f8fcf9 28px
    );
}

.gallery-body {
  padding: 16px;
}

.contact-cards {
  grid-template-columns: 1fr 1fr;
  margin-top: 18px;
}

.contact-card {
  padding: 16px;
  border-radius: 16px;
  background: #fbfefc;
  border: 1px solid #ebf4ee;
}

.contact-card strong {
  display: block;
  margin-bottom: 6px;
}

.site-footer {
  padding: 28px 0 40px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--color-text-soft);
}

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

@media (max-width: 1080px) {
  .hero-grid,
  .calculator-grid,
  .contact-grid,
  .info-grid,
  .pricing-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .price-card.featured {
    transform: none;
  }
}

@media (max-width: 760px) {
  .site-nav {
    display: none;
  }

  .header-inner,
  .hero-content,
  .hero-card,
  .calculator-box,
  .result-box,
  .contact-info,
  .contact-form {
    padding: 20px;
  }

  .header-inner {
    border-radius: 24px;
  }

  .hero-actions,
  .contact-cards {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    display: grid;
  }

  .btn {
    width: 100%;
  }

  .contact-cards {
    display: grid;
  }
}