:root {
  --bg: #f6f7f4;
  --surface: #ffffff;
  --surface-soft: #eef2eb;
  --ink: #16231b;
  --muted: #47564b;
  --primary: #1f6a45;
  --primary-dark: #184f35;
  --border: #dce4da;
  --shadow: 0 18px 45px rgba(16, 34, 24, 0.08);
}

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

html, body { margin: 0; padding: 0; }

body {
  font-family: "Manrope", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

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

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(246, 247, 244, 0.9);
  border-bottom: 1px solid rgba(220, 228, 218, 0.7);
}

.nav-wrap {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.main-nav {
  display: flex;
  gap: 18px;
  align-items: center;
}

.main-nav a {
  color: var(--muted);
  font-weight: 600;
  position: relative;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}

.main-nav a:hover::after { transform: scaleX(1); }
.main-nav a:hover { color: var(--ink); }

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  font-size: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 20px;
  border-radius: 10px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 20%, rgba(255,255,255,.35) 40%, transparent 60%);
  transform: translateX(-120%);
}

.btn:hover::before { animation: shine .8s ease; }

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

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

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

.btn-secondary {
  border-color: var(--border);
  background: var(--surface);
  color: var(--ink);
}

.hero {
  min-height: min(90vh, 760px);
  display: grid;
  align-items: center;
  position: relative;
  overflow: clip;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(31,106,69,.25), transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(91,140,113,.25), transparent 35%),
    linear-gradient(180deg, #f3f8f3, #eff4ee);
  animation: drift 12s ease-in-out infinite alternate;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 36px;
  align-items: center;
  padding: 80px 0;
}

.hero h1,
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 18px;
}

.hero p,
.page-hero p { color: var(--muted); max-width: 62ch; }

.eyebrow {
  margin: 0 0 14px;
  color: var(--primary);
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
  font-size: .8rem;
}

.hero-card, .panel {
  padding: 24px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-card { animation: floatCard 4s ease-in-out infinite; }

.page-hero {
  padding: 72px 0 24px;
  background:
    linear-gradient(180deg, rgba(31,106,69,.1), transparent),
    var(--bg);
}

.section { padding: 96px 0; }
.section.alt { background: var(--surface-soft); }

.section-head { margin-bottom: 28px; }
.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}
.section-head p { margin: 0; color: var(--muted); }

.stats-grid,
.card-grid {
  display: grid;
  gap: 18px;
}

.stats-grid { grid-template-columns: repeat(4, 1fr); }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }

.stat, .card, .project-card {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.stat { padding: 22px; text-align: center; }
.stat h3 { margin: 0 0 4px; font-size: 2rem; color: var(--primary); }
.stat p { margin: 0; color: var(--muted); }

.card {
  padding: 24px;
  transition: transform .35s ease, box-shadow .35s ease;
}

.project-card {
  overflow: hidden;
  transition: transform .35s ease, box-shadow .35s ease;
}

.card:hover, .project-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 22px 50px rgba(16, 34, 24, 0.14);
}

.card h3, .project-card h3 { margin-top: 0; }
.card p, .project-card p { color: var(--muted); }

.project-card .media {
  height: 180px;
  position: relative;
  overflow: hidden;
}
.project-card .media img,
.hero-image img,
.image-card img,
.gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.project-card .media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.25), transparent 65%);
  animation: shimmer 3s linear infinite;
}

.grad-a { background: linear-gradient(135deg, #395f47, #8cb198); }
.grad-b { background: linear-gradient(135deg, #4e6447, #b2c6ab); }
.grad-c { background: linear-gradient(135deg, #45525d, #8ba1b5); }
.grad-d { background: linear-gradient(135deg, #735f4a, #d1c09f); }
.grad-e { background: linear-gradient(135deg, #524332, #b19473); }
.grad-f { background: linear-gradient(135deg, #3e5852, #92b5a6); }

.project-card .content { padding: 20px; }
.project-card a, .card a { color: var(--primary); font-weight: 700; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.hero-image {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  min-height: 360px;
}

.image-card {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--surface);
  height: 240px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.gallery img {
  border-radius: 10px;
  border: 1px solid var(--border);
  height: 160px;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.check-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  position: relative;
  padding-left: 38px;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 14px;
  color: var(--primary);
  font-weight: 800;
}

.quote p { font-style: italic; margin-top: 0; }
.quote span { color: var(--muted); font-weight: 600; }

.faq {
  display: grid;
  gap: 10px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  padding: 0 16px;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  padding: 15px 0;
}

.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { color: var(--muted); margin: 0 0 15px; }

.cta-panel {
  background:
    radial-gradient(circle at 10% 20%, rgba(31,106,69,.16), transparent 35%),
    radial-gradient(circle at 90% 80%, rgba(31,106,69,.14), transparent 35%),
    #f0f5ef;
}

.center { text-align: center; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.cta-row.center { justify-content: center; }

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.chip {
  border: 1px solid var(--border);
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--surface);
  cursor: pointer;
  font-weight: 700;
}

.chip.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}

th, td {
  border-bottom: 1px solid var(--border);
  text-align: left;
  padding: 14px 16px;
}

th { background: #f4f7f3; }

.form {
  display: grid;
  gap: 12px;
}

.form label {
  display: grid;
  gap: 6px;
  font-weight: 600;
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  font: inherit;
  background: #fff;
}

textarea { resize: vertical; }
.checkbox { grid-template-columns: 20px 1fr; align-items: start; }
.checkbox input { width: 16px; height: 16px; margin-top: 4px; }
.form-note { margin: 0; color: var(--muted); font-size: .9rem; }

.site-footer {
  padding-top: 40px;
  border-top: 1px solid var(--border);
  background: #edf3ec;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 22px;
  padding-bottom: 20px;
}

.footer-grid h4 { margin: 0 0 10px; }
.footer-grid p { color: var(--muted); }
.footer-grid a { display: block; color: var(--muted); margin-bottom: 8px; }
.footer-grid a:hover { color: var(--ink); }

.footer-bottom {
  padding: 12px 0 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .75s cubic-bezier(.22,1,.36,1), transform .75s cubic-bezier(.22,1,.36,1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

[data-animate="slide-left"] { transform: translateX(-26px); }
[data-animate="slide-right"] { transform: translateX(26px); }
[data-animate="zoom-in"] { transform: scale(.95); }
[data-animate="fade-up"] { transform: translateY(24px); }
[data-animate="fade-in"] { transform: none; }

.hidden { display: none !important; }

@keyframes drift {
  from { transform: scale(1) translateY(0); }
  to { transform: scale(1.08) translateY(-8px); }
}

@keyframes shimmer {
  0% { opacity: 0; transform: translateX(-120%); }
  40%, 100% { opacity: .5; transform: translateX(120%); }
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

@keyframes shine {
  from { transform: translateX(-120%); }
  to { transform: translateX(120%); }
}

@media (max-width: 960px) {
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .site-header.open .main-nav {
    display: grid;
    position: absolute;
    top: 78px;
    left: 4%;
    right: 4%;
    background: #fff;
    padding: 16px;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .site-header.open .main-nav a { padding: 8px 0; }
  .hero-grid,
  .split,
  .footer-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid.three { grid-template-columns: 1fr; }
  .card-grid.four { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 72px 0; }
}

@media (max-width: 640px) {
  .btn { width: 100%; }
  .cta-row { flex-direction: column; }
  .stats-grid { grid-template-columns: 1fr; }
  .card-grid.four { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
}