:root {
  --ink: #15201c;
  --muted: #5b6862;
  --leaf: #2f6b4f;
  --leaf-dark: #214b3a;
  --moss: #dce9df;
  --bark: #8a6043;
  --mist: #f5f8f6;
  --white: #ffffff;
  --line: #d8e1dc;
  --shadow: 0 20px 55px rgba(20, 40, 32, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--ink);
  background: var(--mist);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 64px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 8px;
  color: var(--white);
  background: var(--leaf);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 0.98rem;
}

.brand small {
  color: var(--muted);
  font-size: 0.76rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.94rem;
}

.site-nav a:hover {
  color: var(--leaf-dark);
}

.nav-cta {
  padding: 10px 16px;
  border-radius: 8px;
  color: var(--white) !important;
  background: var(--leaf);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.menu-toggle span:not(.sr-only) {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: center;
  padding: 110px clamp(20px, 7vw, 90px) 80px;
  overflow: hidden;
  color: var(--white);
  background-image: linear-gradient(90deg, rgba(15, 31, 25, 0.88), rgba(15, 31, 25, 0.58) 46%, rgba(15, 31, 25, 0.18)), url("assets/tree-survey-hero.png");
  background-position: center;
  background-size: cover;
}

.hero-content {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--bark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #e2b783;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(2.55rem, 6vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.06;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.22rem;
  line-height: 1.2;
}

.hero-copy {
  max-width: 620px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
}

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

.button.primary:hover {
  background: var(--leaf-dark);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.12);
}

.button.secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}

.hero-card {
  position: absolute;
  right: clamp(20px, 6vw, 84px);
  bottom: 32px;
  max-width: 360px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(13, 28, 22, 0.66);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-card strong,
.hero-card span {
  display: block;
}

.hero-card span {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.8);
}

.trust-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-band div {
  padding: 26px clamp(20px, 4vw, 54px);
  background: var(--white);
}

.trust-band strong,
.trust-band span {
  display: block;
}

.trust-band span {
  margin-top: 4px;
  color: var(--muted);
}

.section,
.about-section,
.contact-section {
  padding: 96px clamp(20px, 6vw, 82px);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 42px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.service-card {
  min-height: 310px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 30px rgba(20, 40, 32, 0.06);
}

.service-icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  margin-bottom: 34px;
  place-items: center;
  border-radius: 8px;
  color: var(--leaf-dark);
  background: var(--moss);
  font-weight: 800;
}

.service-card p,
.about-copy p,
.contact-details p {
  color: var(--muted);
}

.about-section {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
  background: var(--white);
}

.about-panel {
  padding: 30px;
  border-radius: 8px;
  color: var(--white);
  background: var(--leaf-dark);
}

.about-panel ul {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding-left: 18px;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.8fr);
  gap: clamp(30px, 6vw, 90px);
  align-items: start;
}

.contact-list {
  display: grid;
  gap: 12px;
  margin-top: 28px;
  color: var(--leaf-dark);
  font-weight: 700;
}

.contact-list span {
  color: var(--muted);
  font-weight: 500;
}

.enquiry-form {
  display: grid;
  gap: 12px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.enquiry-form label {
  font-weight: 800;
  font-size: 0.9rem;
}

.enquiry-form input,
.enquiry-form select,
.enquiry-form textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid #c9d5cf;
  border-radius: 8px;
  color: var(--ink);
  font: inherit;
  background: #fbfdfc;
}

.enquiry-form input:focus,
.enquiry-form select:focus,
.enquiry-form textarea:focus {
  outline: 3px solid rgba(47, 107, 79, 0.18);
  border-color: var(--leaf);
}

.form-button {
  margin-top: 8px;
  border: 0;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--leaf-dark);
  font-weight: 700;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(20px, 6vw, 82px);
  color: var(--white);
  background: var(--ink);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  font-weight: 800;
}

@media (max-width: 980px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 76px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 12px;
  }

  .nav-cta {
    text-align: center;
  }

  .hero {
    min-height: 680px;
  }

  .hero-card {
    position: relative;
    right: auto;
    bottom: auto;
    margin-top: 44px;
  }

  .trust-band,
  .service-grid,
  .about-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand strong {
    max-width: 180px;
    font-size: 0.88rem;
  }

  .hero {
    min-height: 720px;
    padding: 92px 20px 46px;
    background-position: 58% center;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .section,
  .about-section,
  .contact-section {
    padding: 68px 20px;
  }

  .site-footer {
    flex-direction: column;
  }
}