@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --leaf: #24b36b;
  --leaf-deep: #0d7f4b;
  --mint: #dff8e9;
  --mint-soft: #f3fff7;
  --sky: #ccefff;
  --sun: #ffe66d;
  --coral: #ff8f7a;
  --ink: #143427;
  --muted: #5f756b;
  --line: rgba(20, 52, 39, 0.14);
  --white: #ffffff;
  --shadow: 0 18px 44px rgba(20, 52, 39, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--mint-soft);
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  background: rgba(243, 255, 247, 0.86);
  border-bottom: 1px solid rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1120px, calc(100% - 32px));
  height: 74px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: "Nunito", sans-serif;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--leaf), #91e67e);
  color: white;
  box-shadow: 0 8px 18px rgba(36, 179, 107, 0.28);
  font-size: 18px;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--muted);
  font-weight: 700;
  font-size: 15px;
}

.nav-links a:hover {
  background: rgba(36, 179, 107, 0.09);
  color: var(--leaf-deep);
}

.hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background-image:
    linear-gradient(90deg, rgba(243, 255, 247, 0.96) 0%, rgba(243, 255, 247, 0.84) 38%, rgba(243, 255, 247, 0.14) 72%),
    url("./assets/greenwave-hero.png");
  background-size: cover;
  background-position: center;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 120px;
  background: linear-gradient(180deg, rgba(243, 255, 247, 0), var(--mint-soft));
  pointer-events: none;
}

.hero-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 116px 0 84px;
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(36, 179, 107, 0.2);
  color: var(--leaf-deep);
  font-weight: 800;
  font-size: 14px;
}

.hero h1 {
  max-width: 680px;
  margin: 22px 0 18px;
  font-family: "Nunito", sans-serif;
  font-size: clamp(48px, 8vw, 92px);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 560px;
  margin: 0 0 28px;
  font-size: 20px;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 8px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 800;
}

.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--leaf), var(--leaf-deep));
  box-shadow: 0 12px 24px rgba(36, 179, 107, 0.24);
}

.btn-secondary {
  color: var(--leaf-deep);
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(36, 179, 107, 0.22);
}

.section {
  padding: 72px 0;
}

.section.alt {
  background: white;
}

.section-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.section-head {
  max-width: 720px;
  margin-bottom: 28px;
}

.section-kicker {
  color: var(--leaf-deep);
  font-weight: 800;
  font-size: 14px;
  text-transform: uppercase;
}

.section-title {
  margin: 8px 0 10px;
  font-family: "Nunito", sans-serif;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.08;
}

.section-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.feature-grid,
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.value-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.alt .feature-card,
.alt .value-card {
  background: var(--mint-soft);
}

.icon-box {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--mint);
  color: var(--leaf-deep);
  margin-bottom: 16px;
}

.feature-card h3,
.value-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.feature-card p,
.value-card p {
  margin: 0;
  color: var(--muted);
}

.band {
  background: linear-gradient(135deg, var(--leaf-deep), #1aad78);
  color: white;
}

.band .section-subtitle,
.band p {
  color: rgba(255, 255, 255, 0.82);
}

.band-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.75fr);
  gap: 40px;
  align-items: center;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.stat {
  padding: 20px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.stat strong {
  display: block;
  font-family: "Nunito", sans-serif;
  font-size: 34px;
  line-height: 1;
}

.stat span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
}

.contact-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px;
  border-radius: 8px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.contact-panel h2 {
  margin: 0 0 6px;
  font-family: "Nunito", sans-serif;
  font-size: 32px;
}

.contact-panel p {
  margin: 0;
  color: var(--muted);
}

.footer {
  background: #103326;
  color: white;
  padding: 42px 0 26px;
}

.footer-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(2, minmax(160px, 0.5fr));
  gap: 24px;
}

.footer h3 {
  margin: 0 0 12px;
  font-size: 18px;
}

.footer p,
.footer a {
  color: rgba(255, 255, 255, 0.72);
}

.footer a {
  display: block;
  text-decoration: none;
  margin: 8px 0;
}

.copyright {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}

.document {
  padding: 122px 0 72px;
  background:
    linear-gradient(180deg, rgba(223, 248, 233, 0.78), rgba(255, 255, 255, 0.92)),
    var(--mint-soft);
}

.document-card {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(24px, 5vw, 48px);
  box-shadow: var(--shadow);
}

.document-card h1 {
  margin: 0 0 20px;
  font-family: "Nunito", sans-serif;
  font-size: clamp(34px, 6vw, 54px);
  line-height: 1;
}

.document-card h2 {
  margin: 28px 0 10px;
  color: var(--leaf-deep);
}

.document-card p,
.document-card li {
  color: var(--muted);
}

.document-card a {
  color: var(--leaf-deep);
  font-weight: 700;
}

@media (max-width: 820px) {
  .nav-links {
    display: none;
  }

  .hero {
    min-height: 86vh;
    background-image:
      linear-gradient(180deg, rgba(243, 255, 247, 0.94) 0%, rgba(243, 255, 247, 0.72) 48%, rgba(243, 255, 247, 0.2) 100%),
      url("./assets/greenwave-hero.png");
    background-position: center bottom;
  }

  .hero-inner {
    padding-top: 104px;
  }

  .hero-copy {
    font-size: 18px;
  }

  .feature-grid,
  .value-grid,
  .band-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .brand {
    font-size: 21px;
  }

  .section {
    padding: 56px 0;
  }

  .stats {
    grid-template-columns: 1fr;
  }
}