:root {
  --green-950: #0a2f18;
  --green-900: #0f5c2e;
  --green-700: #1b7a3d;
  --green-500: #2ea85a;
  --green-100: #e7f6ec;
  --green-50: #f3faf5;
  --ink: #122018;
  --muted: #5b6b60;
  --line: #d7e4db;
  --surface: #ffffff;
  --sand: #f4f7f4;
  --radius: 18px;
  --shadow: 0 24px 60px rgba(15, 92, 46, 0.12);
  --font-display: "Syne", "Avenir Next", sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --shell: min(1120px, calc(100% - 2.5rem));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.6;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(46, 168, 90, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(27, 122, 61, 0.12), transparent 50%),
    linear-gradient(180deg, #f7fbf8 0%, var(--sand) 40%, #eef5f0 100%);
  min-height: 100vh;
}

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

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

h1,
h2,
h3,
.brand-mark,
.eyebrow {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
}

h1,
h2,
h3 {
  line-height: 1.12;
  margin: 0;
  font-weight: 700;
}

p {
  margin: 0;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.narrow-shell {
  width: min(760px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  background: var(--green-700);
  color: white;
  padding: 0.75rem 1rem;
  border-radius: 999px;
}

.skip-link:focus {
  top: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  background: var(--green-700);
  color: #fff;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 10px 30px rgba(27, 122, 61, 0.25);
}

.btn:hover {
  background: var(--green-900);
  transform: translateY(-1px);
}

.btn-sm {
  min-height: 2.4rem;
  padding: 0.45rem 1rem;
  font-size: 0.92rem;
  box-shadow: none;
}

.btn-ghost {
  background: transparent;
  color: var(--green-900);
  border-color: var(--line);
  box-shadow: none;
}

.btn-ghost:hover {
  background: rgba(27, 122, 61, 0.06);
}

.btn-on-dark {
  background: #fff;
  color: var(--green-900);
  box-shadow: none;
}

.btn-on-dark:hover {
  background: var(--green-100);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  transition: background 0.25s ease, box-shadow 0.25s ease, backdrop-filter 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(247, 251, 248, 0.86);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(15, 92, 46, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.5rem;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.brand strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.1;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-nav a:not(.btn) {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
}

.site-nav a:not(.btn):hover {
  color: var(--green-900);
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1rem;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: min(100svh, 920px);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 2rem 0 4rem;
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(15, 92, 46, 0.08), transparent 40%),
    radial-gradient(circle at 70% 30%, rgba(46, 168, 90, 0.22), transparent 45%),
    linear-gradient(180deg, transparent 60%, rgba(244, 247, 244, 0.9));
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(27, 122, 61, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 122, 61, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
  pointer-events: none;
}

.hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}

.brand-mark {
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 700;
  color: var(--green-700);
  margin-bottom: 0.65rem;
  letter-spacing: -0.02em;
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.25rem);
  font-weight: 800;
  max-width: 12ch;
  letter-spacing: -0.04em;
}

.prose-block .section-head {
  margin-bottom: 1.5rem;
}

.prose {
  display: grid;
  gap: 1.15rem;
  max-width: 46rem;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.prose p {
  color: var(--muted);
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1.5rem;
}

.feature-list li {
  position: relative;
  padding: 0.85rem 0 0.85rem 2.1rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  border-bottom: 1px solid var(--line);
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--green-700);
  box-shadow: 0 0 0 4px rgba(27, 122, 61, 0.15);
}

.audience-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.download-panel h2 {
  max-width: 16ch;
}

.lede {
  margin-top: 1.25rem;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.12rem;
}

.lede.narrow {
  max-width: 32rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  max-width: 560px;
  margin-inline: auto;
  animation: floaty 7s ease-in-out infinite;
  filter: drop-shadow(0 30px 40px rgba(15, 92, 46, 0.12));
}

@keyframes floaty {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

.section {
  padding: 5.5rem 0;
}

.section-tint {
  background: linear-gradient(180deg, rgba(231, 246, 236, 0.55), rgba(255, 255, 255, 0.2));
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2.75rem;
}

.eyebrow {
  color: var(--green-700);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  margin-bottom: 0.75rem;
}

.eyebrow.light {
  color: rgba(255, 255, 255, 0.75);
}

.section-head h2,
.safety-layout h2,
.cta-panel h2 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 700;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.steps li {
  display: grid;
  grid-template-columns: auto 1fr minmax(140px, 220px);
  gap: 1.25rem 1.75rem;
  align-items: center;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}

.steps li:last-child {
  border-bottom: 1px solid var(--line);
}

.step-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--green-500);
}

.steps h3 {
  font-size: 1.35rem;
  margin-bottom: 0.4rem;
}

.steps p {
  color: var(--muted);
  max-width: 40rem;
}

.steps img {
  width: 100%;
  max-height: 140px;
  object-fit: contain;
}

.feature-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.feature-band article {
  padding: 1.6rem 1.4rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.45);
}

.feature-band h3 {
  font-size: 1.15rem;
  margin-bottom: 0.55rem;
}

.feature-band p {
  color: var(--muted);
  font-size: 0.98rem;
}

.safety-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.checklist {
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.checklist li {
  padding-left: 1.6rem;
  position: relative;
  color: var(--ink);
  font-weight: 500;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--green-500);
  box-shadow: 0 0 0 4px rgba(46, 168, 90, 0.18);
}

.safety-visual img {
  width: 100%;
  max-width: 480px;
  margin-inline: auto;
}

.faq-list {
  display: grid;
  gap: 0.75rem;
}

.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0.1rem 1.1rem;
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 1.05rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  color: var(--green-700);
  font-size: 1.35rem;
  line-height: 1;
  transition: transform 0.2s ease;
}

.faq-list details[open] summary::after {
  transform: rotate(45deg);
}

.faq-list details p {
  margin-top: 0.75rem;
  color: var(--muted);
}

.cta-section {
  padding-bottom: 4rem;
}

.cta-panel {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: center;
  padding: 2.5rem;
  border-radius: calc(var(--radius) + 8px);
  color: #fff;
  background:
    radial-gradient(circle at 90% 20%, rgba(255, 255, 255, 0.16), transparent 35%),
    linear-gradient(135deg, var(--green-900), var(--green-700) 55%, #24964c);
  box-shadow: var(--shadow);
}

.cta-panel p {
  margin-top: 0.85rem;
  max-width: 34rem;
  color: rgba(255, 255, 255, 0.88);
}

.cta-actions {
  display: grid;
  gap: 0.75rem;
  justify-items: start;
}

.cta-note {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7) !important;
  margin: 0 !important;
}

.site-footer {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.4);
}

.footer-inner {
  display: grid;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-brand strong {
  font-family: var(--font-display);
}

.footer-brand p,
.footer-copy {
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.25rem;
}

.footer-nav a {
  color: var(--muted);
  font-weight: 500;
}

.footer-nav a:hover {
  color: var(--green-900);
}

.legal-page {
  padding: 4rem 0 5rem;
}

.legal-page h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 0.75rem;
}

.legal-page .meta {
  color: var(--muted);
  margin-bottom: 2rem;
}

.legal-page h2 {
  font-size: 1.35rem;
  margin: 2rem 0 0.75rem;
}

.legal-page p,
.legal-page li {
  color: var(--muted);
}

.legal-page ul {
  padding-left: 1.2rem;
}

.legal-page a {
  color: var(--green-700);
  font-weight: 600;
}

.legal-links {
  margin-top: 2.5rem !important;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.page-hero {
  padding: 3.5rem 0 1.5rem;
  position: relative;
}

.page-hero-inner {
  max-width: 40rem;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.035em;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: start;
}

.about-grid h2 {
  font-size: 1.6rem;
  margin-bottom: 0.85rem;
}

.about-grid > article > p {
  color: var(--muted);
  font-size: 1.08rem;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.team-member {
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}

.team-avatar {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--green-100), #fff);
  border: 1px solid var(--line);
  color: var(--green-700);
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 1rem;
}

.team-member h2 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.team-role {
  color: var(--green-700);
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 0.65rem;
}

.team-member > p:last-child {
  color: var(--muted);
}

.join-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.join-panel h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin-bottom: 0.65rem;
}

.join-panel p:not(.eyebrow) {
  color: var(--muted);
  max-width: 36rem;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3rem;
  align-items: start;
}

.contact-aside h2 {
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}

.contact-details {
  margin: 0;
  display: grid;
  gap: 1.15rem;
}

.contact-details dt {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 600;
}

.contact-details dd {
  margin: 0.2rem 0 0;
}

.contact-details a {
  color: var(--green-900);
  font-weight: 600;
}

.contact-note {
  margin-top: 1.75rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.contact-form {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field label {
  font-weight: 600;
  font-size: 0.92rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.8rem 0.95rem;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid rgba(27, 122, 61, 0.25);
  border-color: var(--green-500);
}

.form-hint {
  color: var(--muted);
  font-size: 0.9rem;
}

.form-hint.is-success {
  color: var(--green-700);
  font-weight: 600;
}

.site-nav a[aria-current="page"]:not(.btn) {
  color: var(--green-900);
  font-weight: 700;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .hero-layout,
  .safety-layout,
  .audience-layout,
  .about-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

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

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

  .hero {
    min-height: auto;
    padding-top: 1rem;
  }

  .hero h1 {
    max-width: none;
  }

  .hero-visual {
    order: -1;
  }

  .hero-visual img {
    max-width: 360px;
  }

  .steps li {
    grid-template-columns: auto 1fr;
  }

  .steps img {
    grid-column: 1 / -1;
    max-height: 180px;
  }

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

  .feature-list {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  :root {
    --shell: calc(100% - 1.5rem);
  }

  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    right: 0.75rem;
    top: 4.4rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    min-width: 220px;
    padding: 0.75rem;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .site-nav a {
    padding: 0.7rem 0.85rem;
    border-radius: 10px;
  }

  .site-nav a:hover {
    background: var(--green-50);
  }

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

  .section {
    padding: 4rem 0;
  }
}