/* ── Variables ───────────────────────────────────────────── */
:root {
  --bg:        #ffffff;
  --bg2:       #f0fdf6;
  --bg3:       #e8faef;
  --green:     #16a34a;
  --green-mid: #22c55e;
  --green-lt:  #dcfce7;
  --green-xlt: #f0fdf4;
  --text:      #111827;
  --muted:     #6b7280;
  --border:    #e5e7eb;
  --radius:    16px;
  --max-w:     680px;
  --shadow:    0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ──────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Typography ──────────────────────────────────────────── */
h1 { font-size: clamp(2.2rem, 6vw, 3.4rem); font-weight: 700; letter-spacing: -0.02em; color: var(--text); }
h2 { font-size: 1.5rem; font-weight: 700; color: var(--text); margin-bottom: 28px; }
h3 { font-size: 1rem; font-weight: 600; color: var(--text); margin: 24px 0 6px; }
p  { color: var(--muted); margin-bottom: 12px; }
a  { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { padding-left: 20px; }
li { margin-bottom: 6px; color: var(--muted); }

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(160deg, #f0fdf6 0%, #ffffff 60%);
  padding: 80px 0 72px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.hero-inner { display: flex; flex-direction: column; align-items: center; gap: 14px; }

.leaf-icon {
  width: 68px;
  height: 68px;
  margin-bottom: 4px;
}

.tagline {
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: 500;
  color: var(--green);
  margin: 0;
}

.hero-sub {
  max-width: 480px;
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0;
}

.cta-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  text-decoration: none;
}

.cta-badge svg rect:first-child { fill: var(--text); }
.cta-badge svg rect:last-of-type { display: none; }

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--text);
  color: #fff;
  border-radius: 12px;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  box-shadow: var(--shadow-md);
  transition: opacity 0.15s;
}

.badge-pill:hover { opacity: 0.85; }

.badge-pill .store-sub {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.2;
}

.badge-pill .store-sub span:first-child {
  font-size: 0.68rem;
  font-weight: 400;
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ── Section shared ──────────────────────────────────────── */
section { padding: 72px 0; border-bottom: 1px solid var(--border); }

/* ── How it works ────────────────────────────────────────── */
.how-it-works { background: var(--bg); }

.steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 32px;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: var(--bg2);
  border-radius: var(--radius);
  padding: 20px 22px;
}

.step-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--green-lt);
  color: var(--green);
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step strong { display: block; font-size: 1rem; color: var(--text); margin-bottom: 3px; }
.step p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.how-note {
  background: var(--green-lt);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 0.92rem;
  color: #15803d;
  margin: 0;
}

/* ── FAQ ─────────────────────────────────────────────────── */
.faq { background: var(--bg2); }

details {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s;
}

details[open] { box-shadow: var(--shadow-md); }

summary {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 500;
  font-size: 0.98rem;
  color: var(--text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  gap: 16px;
}

summary::after {
  content: "+";
  flex-shrink: 0;
  font-size: 1.4rem;
  color: var(--green);
  font-weight: 300;
  line-height: 1;
  transition: transform 0.2s;
}

details[open] summary::after { transform: rotate(45deg); }
summary::-webkit-details-marker { display: none; }

.faq-body {
  padding: 16px 20px 20px;
  font-size: 0.95rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

.faq-body p { color: var(--muted); margin-bottom: 10px; }
.faq-body p:last-child { margin-bottom: 0; }
.faq-body strong { color: var(--text); }
.faq-body li { color: var(--muted); }

.contact-line {
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.95rem;
  text-align: center;
}

/* ── Privacy ─────────────────────────────────────────────── */
.privacy { background: var(--bg); }

.privacy-meta {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 24px;
}

.privacy h3:first-of-type { margin-top: 0; }
.privacy p { color: var(--muted); font-size: 0.95rem; }

/* ── Footer ──────────────────────────────────────────────── */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 36px 0;
  text-align: center;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.footer-nav a {
  font-size: 0.88rem;
  color: var(--muted);
}

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

.footer-copy {
  font-size: 0.8rem;
  color: #9ca3af;
  margin: 0;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 480px) {
  .hero { padding: 60px 0 52px; }
  section { padding: 52px 0; }
  h2 { font-size: 1.3rem; }
  .step { padding: 16px 16px; }
}