@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@400;500;600;700;800&family=DM+Sans:wght@300;400;500&display=swap');

:root {
  --green-dark: #1a3d1a;
  --green-mid: #2d6a2d;
  --green-accent: #4a9e4a;
  --green-light: #e8f5e8;
  --green-pale: #f4faf4;
  --white: #ffffff;
  --gray-text: #4a5568;
  --gray-light: #f7f7f5;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  color: var(--green-dark);
  background: var(--white);
  overflow-x: hidden;
}

/* NAV — transparent over hero, solid on scroll */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 60px;
  height: 90px;
  background: transparent;
  transition: background 0.4s, box-shadow 0.4s;
}

nav.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.08);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-logo img {
  height: 70px;
  width: auto;
  transition: filter 0.4s;
  filter: brightness(0) invert(1);
}

nav.scrolled .nav-logo img {
  filter: none;
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: rgba(255,255,255,0.9);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.02em;
  position: relative;
  transition: color 0.2s;
}

nav.scrolled .nav-links a { color: var(--green-dark); }

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--green-accent);
  transition: width 0.3s;
}

.nav-links a:hover::after { width: 100%; }
.nav-links a:hover { color: var(--green-accent); }

.nav-cta {
  background: var(--green-accent) !important;
  color: white !important;
  padding: 10px 24px;
  border-radius: 4px;
}
.nav-cta:hover { background: var(--green-mid) !important; }
.nav-cta::after { display: none !important; }

/* HERO — full screen, edge to edge */
.hero {
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--green-dark);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 65% 40%, rgba(74,158,74,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 15% 85%, rgba(45,106,45,0.22) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 85%, rgba(26,61,26,0.3) 0%, transparent 50%);
}

#dustCanvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 120px 80px 80px;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 60px;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
}

.hero-text .hero-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green-accent);
  font-weight: 600;
  margin-bottom: 20px;
  font-family: 'Exo 2', sans-serif;
}

.hero-text h1 {
  font-family: 'Exo 2', sans-serif;
  font-size: clamp(42px, 5.5vw, 76px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.hero-text h1 span { color: var(--green-accent); }

.hero-subtitle {
  font-family: 'Exo 2', sans-serif;
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  margin-bottom: 16px;
  line-height: 1.4;
}

.hero-text p {
  font-size: 16px;
  line-height: 1.75;
  color: rgba(255,255,255,0.65);
  margin-bottom: 40px;
  max-width: 540px;
}

.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary {
  display: inline-block;
  background: var(--green-accent);
  color: white;
  padding: 16px 36px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  font-family: 'Exo 2', sans-serif;
  letter-spacing: 0.04em;
  transition: background 0.2s, transform 0.2s;
}
.btn-primary:hover { background: #3a8e3a; transform: translateY(-2px); }

.btn-outline {
  display: inline-block;
  border: 1.5px solid rgba(255,255,255,0.4);
  color: white;
  padding: 16px 36px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 400;
  font-size: 15px;
  transition: border-color 0.2s, background 0.2s;
}
.btn-outline:hover { border-color: white; background: rgba(255,255,255,0.08); }

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-logo-wrap {
  position: relative;
  width: 380px;
  height: 380px;
}

.hero-logo-wrap::before {
  content: '';
  position: absolute;
  inset: -24px;
  border-radius: 50%;
  border: 1px solid rgba(74,158,74,0.3);
  animation: pulse-ring 3s ease-in-out infinite;
}
.hero-logo-wrap::after {
  content: '';
  position: absolute;
  inset: -54px;
  border-radius: 50%;
  border: 1px solid rgba(74,158,74,0.12);
  animation: pulse-ring 3s ease-in-out infinite 1.2s;
}

@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.04); opacity: 0.5; }
}

.hero-logo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0) invert(1) sepia(1) saturate(4) hue-rotate(80deg) brightness(0.85);
  position: relative;
  z-index: 1;
}

/* STATS BAR */
.stats-bar {
  background: var(--green-mid);
  padding: 44px 80px;
  display: flex;
  justify-content: center;
  gap: 80px;
  flex-wrap: wrap;
}

.stat { text-align: center; color: white; }
.stat-number {
  font-family: 'Exo 2', sans-serif;
  font-size: 44px;
  font-weight: 800;
  display: block;
  letter-spacing: -0.02em;
}
.stat-label { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; opacity: 0.75; }

/* GENERAL SECTIONS */
.section-wrap { padding: 100px 80px; max-width: 1400px; margin: 0 auto; }

.section-tag {
  display: inline-block;
  font-family: 'Exo 2', sans-serif;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green-accent);
  font-weight: 600;
  margin-bottom: 14px;
}

.section-title {
  font-family: 'Exo 2', sans-serif;
  font-size: clamp(30px, 4vw, 50px);
  font-weight: 800;
  color: var(--green-dark);
  line-height: 1.1;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.section-sub {
  font-size: 17px;
  line-height: 1.75;
  color: var(--gray-text);
  max-width: 580px;
}

/* ABOUT */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-features { margin-top: 40px; display: flex; flex-direction: column; gap: 20px; }

.feature-item { display: flex; gap: 16px; align-items: flex-start; }
.feature-icon {
  width: 44px; height: 44px;
  border-radius: 8px;
  background: var(--green-light);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 20px;
}
.feature-item h4 { font-size: 15px; font-weight: 600; margin-bottom: 4px; font-family: 'Exo 2', sans-serif; }
.feature-item p { font-size: 14px; color: var(--gray-text); line-height: 1.6; }

.about-visual { position: relative; }
.about-img-box {
  background: var(--green-light);
  border-radius: 16px;
  height: 420px;
  overflow: hidden;
  position: relative;
}
.about-img-box img { width: 100%; height: 100%; object-fit: cover; }

.about-badge {
  position: absolute;
  bottom: -20px; right: -20px;
  background: var(--green-mid);
  color: white;
  padding: 24px 28px;
  border-radius: 12px;
  text-align: center;
  min-width: 150px;
}
.about-badge strong {
  font-family: 'Exo 2', sans-serif;
  font-size: 38px; font-weight: 800; display: block;
}
.about-badge span { font-size: 12px; opacity: 0.85; }

/* SERVICES */
.services-bg { background: var(--gray-light); }
.services-inner { padding: 100px 80px; max-width: 1400px; margin: 0 auto; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.service-card {
  background: white;
  border-radius: 14px;
  padding: 40px 32px;
  border: 1px solid rgba(42,106,42,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
  text-decoration: none;
  color: inherit;
  display: block;
}
.service-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(42,106,42,0.12); }

.service-icon {
  width: 58px; height: 58px;
  background: var(--green-light);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; margin-bottom: 24px;
}

.service-card h3 {
  font-family: 'Exo 2', sans-serif;
  font-size: 22px; font-weight: 700;
  margin-bottom: 12px; color: var(--green-dark);
}
.service-card p { font-size: 14px; line-height: 1.75; color: var(--gray-text); }
.service-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 20px; font-size: 13px; font-weight: 600;
  color: var(--green-accent); font-family: 'Exo 2', sans-serif;
  letter-spacing: 0.04em;
}

/* GALLERY */
.gallery-bg { background: var(--white); }
.gallery-inner { padding: 100px 80px; max-width: 1400px; margin: 0 auto; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 240px;
  gap: 12px;
  margin-top: 56px;
}

.gallery-item {
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.gallery-item:nth-child(1) { grid-column: span 2; grid-row: span 2; }
.gallery-item:nth-child(5) { grid-column: span 2; }

.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.05); }

.gallery-item::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(26,61,26,0.4), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.gallery-item:hover::after { opacity: 1; }

/* WHY US */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.why-card {
  padding: 36px;
  border-radius: 14px;
  border: 1px solid rgba(42,106,42,0.12);
}
.why-card:nth-child(1) { background: var(--green-dark); }
.why-card:nth-child(1) h3,
.why-card:nth-child(1) p { color: white; }
.why-card:nth-child(1) p { opacity: 0.75; }
.why-card:nth-child(1) .why-num { color: rgba(255,255,255,0.15); }

.why-num {
  font-family: 'Exo 2', sans-serif;
  font-size: 60px; font-weight: 800;
  color: var(--green-light);
  line-height: 1; margin-bottom: 12px;
}
.why-card h3 { font-family: 'Exo 2', sans-serif; font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.why-card p { font-size: 14px; line-height: 1.7; color: var(--gray-text); }

/* CTA BAND */
.cta-band {
  background: var(--green-mid);
  padding: 90px 80px;
  text-align: center;
}
.cta-band h2 {
  font-family: 'Exo 2', sans-serif;
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 800;
  color: white; margin-bottom: 14px;
}
.cta-band p { color: rgba(255,255,255,0.8); font-size: 18px; margin-bottom: 36px; }

/* FOOTER */
footer {
  background: var(--green-dark);
  padding: 70px 80px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  color: rgba(255,255,255,0.65);
  font-size: 14px;
}
.footer-brand img { height: 60px; filter: brightness(0) invert(1); margin-bottom: 16px; display: block; }
.footer-brand p { line-height: 1.75; max-width: 280px; }

footer h4 {
  font-family: 'Exo 2', sans-serif;
  color: white; font-size: 12px;
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 20px; font-weight: 600;
}
footer ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
footer a { color: rgba(255,255,255,0.6); text-decoration: none; transition: color 0.2s; }
footer a:hover { color: var(--green-accent); }

.footer-bottom {
  background: #0f260f;
  padding: 22px 80px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

/* PAGE HERO (inner pages) */
.page-hero {
  background: var(--green-dark);
  padding: 170px 80px 90px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 60%, rgba(74,158,74,0.15) 0%, transparent 65%);
}
.page-hero h1 {
  font-family: 'Exo 2', sans-serif;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800; color: white;
  margin-bottom: 16px; position: relative;
}
.page-hero p {
  color: rgba(255,255,255,0.7);
  font-size: 18px; max-width: 560px;
  margin: 0 auto; position: relative;
  line-height: 1.7;
}

/* SERVICE DETAIL */
.service-detail { padding: 80px 80px; max-width: 1100px; margin: 0 auto; }
.service-detail h2 {
  font-family: 'Exo 2', sans-serif;
  font-size: 32px; font-weight: 700;
  margin-bottom: 16px; color: var(--green-dark);
}
.service-detail p { font-size: 16px; line-height: 1.85; color: var(--gray-text); margin-bottom: 24px; }

.info-boxes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px; margin: 44px 0;
}
.info-box {
  background: var(--green-pale);
  border-radius: 12px; padding: 28px;
  border-left: 4px solid var(--green-accent);
}
.info-box h4 { font-family: 'Exo 2', sans-serif; font-size: 15px; font-weight: 600; margin-bottom: 8px; color: var(--green-dark); }
.info-box p { font-size: 14px; line-height: 1.65; color: var(--gray-text); margin: 0; }

/* CONTACT */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  padding: 80px;
  max-width: 1200px;
  margin: 0 auto;
}
.contact-info h2 { font-family: 'Exo 2', sans-serif; font-size: 36px; font-weight: 800; margin-bottom: 20px; color: var(--green-dark); }
.contact-info p { font-size: 16px; line-height: 1.75; color: var(--gray-text); margin-bottom: 36px; }

.contact-item { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 24px; }
.contact-item-icon {
  width: 46px; height: 46px;
  background: var(--green-light);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.contact-item h4 { font-family: 'Exo 2', sans-serif; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--green-accent); margin-bottom: 4px; font-weight: 600; }
.contact-item p, .contact-item a { font-size: 15px; color: var(--green-dark); text-decoration: none; }
.contact-item a:hover { color: var(--green-accent); }

.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-family: 'Exo 2', sans-serif; font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--green-dark); }
.form-group input,
.form-group textarea,
.form-group select {
  padding: 14px 16px;
  border: 1.5px solid rgba(42,106,42,0.2);
  border-radius: 6px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px; color: var(--green-dark);
  background: white;
  transition: border-color 0.2s; outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--green-accent); }
.form-group textarea { height: 140px; resize: vertical; }

.btn-submit {
  background: var(--green-mid);
  color: white;
  padding: 16px 36px;
  border: none; border-radius: 4px;
  font-family: 'Exo 2', sans-serif;
  font-size: 15px; font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  align-self: flex-start; letter-spacing: 0.04em;
}
.btn-submit:hover { background: var(--green-dark); transform: translateY(-2px); }

/* HAMBURGER */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 26px; height: 2px; background: white; transition: 0.3s; }
nav.scrolled .hamburger span { background: var(--green-dark); }

/* MOBILE */
@media (max-width: 900px) {
  nav { padding: 0 24px; }
  .hamburger { display: flex; }
  .nav-links {
    display: none; position: absolute;
    top: 90px; left: 0; right: 0;
    background: white; flex-direction: column;
    padding: 20px 24px; gap: 20px;
    border-bottom: 1px solid var(--green-light);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
  .nav-links.open { display: flex; }
  .nav-links a { color: var(--green-dark) !important; }
  .hero-content { grid-template-columns: 1fr; padding: 120px 24px 60px; text-align: center; }
  .hero-visual { display: none; }
  .stats-bar { gap: 30px; padding: 40px 24px; }
  .section-wrap, .services-inner, .gallery-inner { padding: 60px 24px; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .info-boxes { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2,1fr); grid-auto-rows: 180px; }
  .gallery-item:nth-child(1) { grid-column: span 2; }
  .gallery-item:nth-child(5) { grid-column: span 1; }
  footer { grid-template-columns: 1fr; gap: 36px; padding: 50px 24px; }
  .footer-bottom { padding: 20px 24px; }
  .service-detail { padding: 60px 24px; }
  .cta-band { padding: 60px 24px; }
  .page-hero { padding: 140px 24px 70px; }
}