:root {
  --bg-0: #f6fbf8;
  --bg-1: #eef7f2;
  --bg-2: #e8f3ed;
  --text: #12261d;
  --muted: #547067;
  --line: #bfd6ca;
  --line-soft: #d7e7df;
  --card: #ffffff;
  --card-soft: #f8fcfa;
  --brand: #1aa370;
  --brand-2: #0f7e56;
  --max: 1160px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --shadow-md: 0 10px 22px rgba(22, 66, 48, 0.1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  line-height: 1.62;
  background:
    radial-gradient(900px 380px at 0% 0%, rgba(26, 163, 112, 0.14), transparent 68%),
    radial-gradient(760px 420px at 100% 0%, rgba(15, 126, 86, 0.1), transparent 68%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1) 45%, var(--bg-2));
}

h1, h2, h3, .brand {
  font-family: "Manrope", "Segoe UI", sans-serif;
  margin: 0 0 0.68rem;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.3rem, 5.2vw, 4.4rem); font-weight: 800; }
h2 { font-size: clamp(1.62rem, 3.4vw, 2.6rem); font-weight: 750; display: flex; align-items: center; gap: 0.65rem; }
h3 { font-size: clamp(1.02rem, 2vw, 1.24rem); font-weight: 700; }
p, ul, ol, blockquote { margin: 0 0 1rem; }

.container { width: min(var(--max), 92%); margin: 0 auto; }

.icon {
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  flex: 0 0 2rem;
  align-items: center;
  justify-content: center;
  color: var(--brand-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #eef8f3;
  box-shadow: 0 2px 6px rgba(22, 66, 48, 0.08);
  padding: 0.5rem;
  margin-right: 1.5%;
}

.icon i {
  width: 100%;
  height: 100%;
  stroke-width: 1.1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  backdrop-filter: blur(12px);
  background: rgba(246, 251, 248, 0.9);
  border-bottom: 1px solid var(--line-soft);
}

.nav-wrap {
  min-height: 76px;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 1rem;
  align-items: center;
}

.brand { color: #103126; text-decoration: none; font-size: 1.3rem; font-weight: 800; }
.nav-links { display: flex; justify-content: center; gap: 1rem; }

.nav-links a {
  color: #4f675e;
  text-decoration: none;
  font-size: 0.93rem;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  padding-bottom: 0.15rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.is-active { color: #143e31; border-color: var(--brand); }

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  border-radius: 10px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}

.menu-toggle i { width: 20px; height: 20px; stroke-width: 2.2; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  padding: 0.66rem 1.2rem;
  box-shadow: 0 8px 18px rgba(26, 163, 112, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover { transform: translateY(-1px); box-shadow: 0 12px 22px rgba(26, 163, 112, 0.3); }
.btn-lg { padding: 0.86rem 1.45rem; }

.hero {
  padding: 5rem 0 2.2rem;
  position: relative;
}

.hero-intro { max-width: 980px; }

.eyebrow {
  display: inline-flex;
  border-radius: 999px;
  border: 1px solid #b5dccb;
  color: #19674a;
  background: #eaf8f1;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 0.33rem 0.78rem;
  margin-bottom: 1rem;
}

.lead { color: #29473c; font-size: clamp(1.03rem, 2vw, 1.18rem); }

.feature-checks {
  list-style: none;
  padding: 0;
  margin: 1.1rem 0 1.5rem;
  display: grid;
  gap: 0.5rem;
}

.feature-checks li {
  display: flex;
  align-items: flex-start;
  gap: 0.58rem;
}

.hero-snapshot {
  margin-top: 1.2rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--shadow-md);
}

.snapshot-grid {
  list-style: none;
  padding: 0;
  margin: 0.8rem 0 1rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
}

.snapshot-grid li {
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: var(--card-soft);
  padding: 0.55rem;
}

.snapshot-grid span { display: block; color: var(--muted); font-size: 0.8rem; }
.snapshot-grid strong { font-size: 0.9rem; color: #163c2f; }

.section {
  padding: 3rem 0;
  position: relative;
}

.section + .section::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: min(var(--max), 92%);
  border-top: 1px solid var(--line-soft);
  transform: translateX(-50%);
}

.about-columns {
  display: flex;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 0.7rem;
}

.about-columns article {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card);
  box-shadow: var(--shadow-md);
  padding: 0.9rem;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 0.8rem;
}

.workflow-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card);
  padding: 0.85rem;
  box-shadow: var(--shadow-md);
}

.framework-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 0.75rem;
}

.framework-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card);
  box-shadow: var(--shadow-md);
  padding: 0.7rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.focus-line {
  margin-top: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
  font-weight: 700;
  color: #1b4637;
}

.feature-grid,
.audience-grid {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.75rem;
  margin-top: 0.8rem;
}

.feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.feature-grid li {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card);
  color: var(--muted);
  padding: 0.8rem;
  box-shadow: var(--shadow-md);
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
}

.feature-grid li > .icon {
  margin-top: 0.08rem;
}

.feature-grid .item-copy {
  min-width: 0;
}

.feature-grid .item-copy p {
  margin: 0.18rem 0 0;
  color: var(--muted);
}

.feature-grid strong {
  color: var(--text);
  display: block;
}

.audience-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.audience-grid li {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card);
  box-shadow: var(--shadow-md);
  padding: 0.75rem;
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

.compare-table {
  margin-top: 0.8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.compare-head,
.compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.compare-head {
  background: linear-gradient(90deg, rgba(234, 121, 132, 0.18), rgba(26, 163, 112, 0.18));
  font-weight: 700;
}

.compare-head span,
.compare-row span { padding: 0.74rem 0.85rem; }

.compare-row span:first-child,
.compare-head span:first-child { border-right: 1px solid var(--line-soft); }
.compare-row { border-top: 1px solid var(--line-soft); background: var(--card); }

.explain-list,
.market-list {
  list-style: none;
  padding: 0;
  margin-top: 0.8rem;
  display: grid;
  gap: 0.75rem;
}

.explain-list li,
.market-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.55rem;
  align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card);
  box-shadow: var(--shadow-md);
  padding: 0.75rem;
}

.explain-list p,
.market-list p { color: var(--muted); margin-top: 0.2rem; }

.pricing-note { margin-bottom: 0.8rem; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.price-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--shadow-md);
  padding: 1.2rem;
}

.price-card.popular {
  border-color: rgba(26, 163, 112, 0.72);
  transform: translateY(-2px);
}

.badge {
  display: inline-flex;
  border-radius: 999px;
  border: 1px solid rgba(26, 163, 112, 0.45);
  background: rgba(26, 163, 112, 0.1);
  color: #0f6c49;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.62rem;
  margin-bottom: 0.6rem;
}

.price {
  font-family: "Manrope", sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: #163d2f;
  margin: 0.45rem 0;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
  margin-top: 0.8rem;
}

.philosophy-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card);
  box-shadow: var(--shadow-md);
  padding: 0.85rem;
}

.faq-list {
  display: grid;
  gap: 0.7rem;
  margin-top: 0.8rem;
}

.faq-list details {
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: var(--card);
  padding: 0.75rem;
}

.faq-list summary { cursor: pointer; font-weight: 700; font-family: "Manrope", sans-serif; }
.faq-list p { margin-top: 0.6rem; color: var(--muted); }

.cta-shell {
  text-align: center;
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
  background: radial-gradient(500px 210px at 50% 0%, rgba(26, 163, 112, 0.1), transparent 70%);
}

.site-footer {
  padding: 2rem 0 2.3rem;
  margin-top: 2.2rem;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, #edf6f1, #e6f1eb);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1rem;
}

.footer-grid ul { margin: 0; padding-left: 1rem; }
.footer-grid a { color: #1f5a43; text-decoration: none; }
.footer-grid a:hover { color: #0e3a2b; }

.footer-bottom {
  margin-top: 0.85rem;
  border-top: 1px solid var(--line-soft);
  padding: 1rem 0 0;
}

.copyright { margin-top: 0.9rem; font-size: 0.86rem; color: #5f7b6f; }

.section-observe {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.section-observe.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1024px) {
  .snapshot-grid,
  .framework-grid,
  .feature-grid,
  .audience-grid,
  .pricing-grid,
  .philosophy-grid,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-columns,
  .workflow-grid,
  .compare-head,
  .compare-row,
  .footer-grid,
  .philosophy-grid {
    grid-template-columns: 1fr;
  }

  .compare-row span:first-child,
  .compare-head span:first-child {
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .nav-wrap { grid-template-columns: auto auto auto; }

  .nav-links {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 0;
    background: #f2faf6;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .nav-links a {
    padding: 0.9rem 4%;
    border-bottom: 1px solid var(--line-soft);
  }

  .nav-links.is-open { display: flex; }
  .menu-toggle { display: inline-flex; }
}

@media (max-width: 760px) {
  .hero { padding: 4.3rem 0 2rem; }
  .section { padding: 2.5rem 0; }

  .snapshot-grid,
  .framework-grid,
  .feature-grid,
  .audience-grid,
  .pricing-grid,
  .philosophy-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .btn { width: 100%; }
  .nav-wrap > .btn { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .section-observe,
  .section-observe.is-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn { transition: none; }
}