:root {
  --green-900: #06431f;
  --green-800: #0a5a2b;
  --green-700: #0f7a35;
  --green-500: #1f9d49;
  --green-100: #eaf7ee;
  --text: #102018;
  --muted: #5c6b63;
  --line: #dfe8e2;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(5, 48, 24, 0.14);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: #fff;
}

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

.section-title span {
  display: inline-flex;
  color: var(--green-700);
  background: var(--green-100);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 14px;
}

.section {
  padding: 82px 7%;
}

.section-title {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 48px;
}

.section-title h2 {
  margin: 18px 0 12px;
  color: var(--green-900);
  font-size: clamp(32px, 3.2vw, 48px);
  letter-spacing: -1px;
}

.section-title p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.step-card,
.waste-grid article {
  background: white;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 28px;
  box-shadow: 0 18px 40px rgba(9, 49, 27, 0.06);
}

.step-card:hover,
.waste-grid article:hover {
  transform: translateY(-4px);
  transition: 0.2s ease;
  border-color: rgba(31, 157, 73, 0.4);
}

.step-number {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: var(--green-100);
  color: var(--green-800);
  font-weight: 800;
}

.step-card h3,
.waste-grid h3 {
  color: var(--green-900);
  margin: 22px 0 10px;
}

.step-card p,
.waste-grid p {
  color: var(--muted);
  line-height: 1.7;
}

.soft-bg {
  background: linear-gradient(180deg, #f8fcf9 0%, #ffffff 100%);
}

.section:last-child {
  padding-bottom: 156px;
}

.waste-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.waste-grid article div {
  font-size: 38px;
}

.dashboard {
  background:
    linear-gradient(135deg, rgba(6, 67, 31, 0.95), rgba(18, 126, 53, 0.92)),
    url('https://images.unsplash.com/photo-1611284446314-60a58ac0deb9?auto=format&fit=crop&w=1800&q=80') center/cover;
}

.section-title.light h2,
.section-title.light p { color: white; }
.section-title.light span { background: rgba(255,255,255,0.14); color: white; }

.indicator-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.indicator-grid article {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 22px;
  padding: 34px 24px;
  text-align: center;
  color: white;
  backdrop-filter: blur(10px);
}

.indicator-grid strong {
  display: block;
  font-size: 38px;
  margin-bottom: 8px;
}

.document-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 980px;
  margin: auto;
}

.document-grid a {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  font-weight: 800;
  color: var(--green-900);
  background: white;
  box-shadow: 0 12px 26px rgba(9, 49, 27, 0.06);
}

.document-grid a:hover {
  border-color: var(--green-700);
  background: var(--green-100);
}

@media (max-width: 1180px) {
  .timeline,
  .waste-grid { grid-template-columns: repeat(2, 1fr); }
  .indicator-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .timeline,
  .waste-grid,
  .indicator-grid,
  .document-grid {
    grid-template-columns: 1fr;
  }

  .section { padding: 64px 5%; }
  .section:last-child { padding-bottom: 124px; }
}