/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --color-dark:    #1a3a2a;
  --color-mid:     #2d6a4f;
  --color-accent:  #76c442;
  --color-accent-dark: #65b033;
  --color-bg:      #f9f9f9;
  --color-white:   #ffffff;
  --color-text:    #222222;
  --color-muted:   #666666;
  --color-border:  #dddddd;
  --color-error:   #cc2222;

  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Spacing scale — intentionally non-consecutive; --space-5 and --space-7 omitted (YAGNI) */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;

  --radius: 4px;
  --nav-height: 64px;
}

/* ============================================================
   RESET
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

/* ============================================================
   UTILITIES
   ============================================================ */
.hidden {
  display: none !important;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-3);
}

.section-heading {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-dark);
  text-align: center;
  margin-bottom: var(--space-4);
  letter-spacing: 0.5px;
}

.btn-primary {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-dark);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.5px;
  padding: 14px 32px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

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

.btn-primary:focus-visible {
  outline: 3px solid var(--color-dark);
  outline-offset: 3px;
}

/* ============================================================
   NAV
   ============================================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-dark);
  height: var(--nav-height);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-3);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-links .nav-cta {
  background: var(--color-accent);
  color: var(--color-dark);
  padding: 8px 18px;
  border-radius: var(--radius);
  font-weight: 700;
}

.nav-links .nav-cta:hover {
  background: var(--color-accent-dark);
}

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-1);
}

.nav-hamburger:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius);
}

/* Mobile nav */
@media (max-width: 639px) {
  .nav-hamburger {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-dark);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-2) 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  }

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

  .nav-links a {
    padding: 12px var(--space-3);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .nav-links .nav-cta {
    margin: var(--space-2) var(--space-3);
    text-align: center;
    border-radius: var(--radius);
  }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background:
    linear-gradient(rgba(26, 58, 42, 0.65), rgba(26, 58, 42, 0.78)),
    url('../images/hero/hero-image-lawn.jpg') center / cover no-repeat;
  background-color: var(--color-dark); /* fallback while image loads */
  color: var(--color-white);
  text-align: center;
  padding: var(--space-8) var(--space-3);
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-inner {
  max-width: 700px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.hero-logo {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 4px;
  opacity: 0.7;
  text-transform: uppercase;
}

.hero-headline {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
}

.hero-sub {
  font-size: 1.2rem;
  opacity: 0.85;
}

.hero-tagline {
  font-size: 0.85rem;
  opacity: 0.55;
  letter-spacing: 1px;
  margin-top: var(--space-1);
}

@media (max-width: 375px) {
  .hero {
    padding: var(--space-4) var(--space-2);
  }
  .hero-tagline {
    /* Allowed to drop below fold — lowest priority element */
    margin-top: 0;
  }
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  background: var(--color-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.service-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.12);
}

.service-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.service-card span {
  display: block;
  padding: 10px var(--space-2);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-dark);
  background: var(--color-white);
  text-align: center;
}

/* 7th card: centre it in the last row */
.service-card:last-child:nth-child(3n+1) {
  grid-column: 2;
}

@media (max-width: 639px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
  .service-card:last-child:nth-child(3n+1) {
    grid-column: auto;
  }
}

@media (min-width: 640px) and (max-width: 899px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-card:last-child:nth-child(3n+1) {
    grid-column: auto;
  }
}

/* ============================================================
   GALLERY
   ============================================================ */
.gallery {
  background: var(--color-bg);
}

.gallery-grid {
  column-count: 3;
  column-gap: var(--space-2);
}

.gallery-grid img {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: var(--space-2);
  break-inside: avoid;
  display: block;
}

@media (max-width: 639px) {
  .gallery-grid {
    column-count: 2;
  }
}

@media (min-width: 640px) and (max-width: 899px) {
  .gallery-grid {
    column-count: 2;
  }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  background: var(--color-white);
}

.about-text {
  max-width: 680px;
  margin: 0 auto var(--space-4);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
  text-align: center;
}

.testimonials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  max-width: 860px;
  margin: 0 auto;
}

.testimonial {
  background: var(--color-bg);
  border-left: 4px solid var(--color-mid);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: var(--space-3);
}

.testimonial p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
  font-style: italic;
  margin-bottom: var(--space-1);
}

.testimonial cite {
  font-size: 0.85rem;
  color: var(--color-muted);
  font-style: normal;
  font-weight: 600;
}

@media (max-width: 639px) {
  .testimonials {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   QUOTE FORM
   ============================================================ */
.quote-section {
  background: var(--color-dark);
  color: var(--color-white);
}

.quote-section .section-heading {
  color: var(--color-white);
}

#quote-form {
  max-width: 640px;
  margin: 0 auto;
  display: grid;
  gap: var(--space-2);
}

.form-row {
  display: grid;
}

.form-row-2 {
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.form-row-3 {
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-2);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
}

.required {
  color: var(--color-accent);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  color: var(--color-white);
  font-family: var(--font-base);
  font-size: 0.95rem;
  padding: 10px 14px;
  transition: border-color 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.35);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-accent);
}

.form-group select option {
  background: var(--color-dark);
  color: var(--color-white);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* Error states */
.form-error {
  color: #ff8a8a;
  font-size: 0.85rem;
  padding: var(--space-1) 0;
}

input.error,
select.error,
textarea.error {
  border-color: #ff8a8a;
}

/* Submit button */
.btn-submit {
  width: 100%;
  padding: 16px;
  font-size: 1rem;
}

/* Success message */
.quote-success {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.2rem;
  color: var(--color-accent);
  padding: var(--space-6) 0;
}

/* Direct contact line */
.quote-direct {
  max-width: 640px;
  margin: var(--space-3) auto 0;
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
}

/* Mobile: collapse multi-column rows */
@media (max-width: 639px) {
  .form-row-2,
  .form-row-3 {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.55);
  text-align: center;
  padding: var(--space-4) var(--space-3);
  font-size: 0.85rem;
  line-height: 2;
}

.site-footer strong {
  color: rgba(255,255,255,0.8);
}

/* ============================================================
   SCROLL OFFSET — account for sticky nav height
   ============================================================ */
html {
  scroll-padding-top: var(--nav-height);
}