:root {
  --ink: #1a2332;
  --muted: #6b7280;
  --brand: #1e3a5f;
  --brand-dark: #162d4a;
  --line: #e5e7eb;
  --bg-soft: #f8fafc;
  --white: #ffffff;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

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

a {
  color: inherit;
}

.container {
  width: min(1280px, calc(100% - 3rem));
  margin-inline: auto;
}

.frame {
  width: min(1080px, calc(100% - 3rem));
  margin-inline: auto;
}

.frame.wide {
  width: min(1120px, calc(100% - 3rem));
}

.frame.narrow {
  width: min(900px, calc(100% - 3rem));
}

.center {
  text-align: center;
}

.section-pad {
  padding: 0 0 5rem;
}

.section-tight-top {
  padding-top: 0;
}

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

.meta-label {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--brand);
  margin-bottom: 1rem;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #fff;
  border-bottom: 1px solid #f3f4f6;
}

.nav-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.95rem;
  font-weight: 700;
}

.brand-text {
  font-size: 18px;
  font-weight: 600;
  color: var(--brand);
  letter-spacing: -0.01em;
}

.nav-links {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links a {
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: #6b7280;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
}

.nav-links a:hover {
  color: var(--brand);
  background: #f9fafb;
}

.is-active {
  color: var(--brand);
  background: #f9fafb;
}

.nav-links a.is-active {
  color: var(--brand);
  background: #f9fafb;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  text-decoration: none;
  border-radius: 0.65rem;
  transition: all 0.2s ease;
}

.btn {
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.75rem 1.08rem;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-secondary {
  border: 1px solid var(--line);
  color: var(--brand);
  background: #fff;
}

.btn-secondary:hover {
  background: #f9fafb;
}

.hero {
  padding: 6.5rem 0 5rem;
}

.hero-inner {
  max-width: 860px;
  margin-inline: auto;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  background: #f0fdf4;
  color: #15803d;
  border: 1px solid #bbf7d0;
  padding: 0.38rem 0.84rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.hero h1 {
  margin: 1rem 0;
  font-size: clamp(2.05rem, 5vw, 3.55rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0 auto;
  max-width: 760px;
  color: #4b5563;
  font-size: 1.08rem;
}

.hero-actions {
  margin-top: 1.85rem;
  display: inline-flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.features {
  padding-bottom: 5.3rem;
}

.feature-grid {
  display: grid;
  gap: 1.5rem;
}

.feature-grid:not(.two-col):not(.three-col) {
  grid-template-columns: repeat(3, 1fr);
}

.feature-grid.two-col {
  grid-template-columns: repeat(2, 1fr);
}

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

.feature-card {
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: #fff;
  padding: 2rem;
  transition: all 0.25s ease;
}

.feature-card:hover {
  border-color: #d1d5db;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.feature-card.soft {
  background: var(--bg-soft);
}

.feature-icon {
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 0.8rem;
  background: #e8eef6;
  color: var(--brand);
  display: grid;
  place-items: center;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.feature-icon.dark {
  background: var(--brand);
  color: #fff;
}

.feature-card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.06rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.72;
}

.about-hero {
  padding-top: 6rem;
  padding-bottom: 4rem;
}

.hero-title {
  margin: 0 0 1.8rem;
  font-size: clamp(2rem, 4.2vw, 2.75rem);
  font-family: inherit;
  font-weight: 700;
  line-height: 1.15;
}

.hero-desc {
  margin: 0 auto;
  max-width: 750px;
  color: var(--muted);
  font-size: 1.1rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.problem-card {
  border: 1px solid;
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.25s ease;
}

.problem-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.problem-card.danger {
  background: #fef2f2;
  border-color: #fee2e2;
}

.problem-card.success {
  background: #ecfdf5;
  border-color: #d1fae5;
}

.card-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.card-head h3 {
  margin: 0;
  font-size: 1.125rem;
}

.icon-wrap {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.75rem;
  display: grid;
  place-items: center;
  font-size: 1.05rem;
  font-weight: 700;
}

.icon-wrap.danger {
  background: #fee2e2;
  color: #ef4444;
}

.icon-wrap.success {
  background: #d1fae5;
  color: #059669;
}

.problem-card p {
  margin: 0;
  color: #4b5563;
  font-size: 0.95rem;
}

.section-head {
  margin-bottom: 2.2rem;
}

.section-title {
  margin: 0 0 0.35rem;
  font-size: clamp(1.9rem, 3.8vw, 2.45rem);
}

.section-sub {
  margin: 0;
  color: var(--muted);
}

.leaders-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.leader-card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: #fff;
  overflow: hidden;
  transition: all 0.25s ease;
}

.leader-card:hover {
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.09);
}

.leader-body {
  padding: 2.3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.leader-avatar {
  width: 112px;
  height: 112px;
  border-radius: 999px;
  overflow: hidden;
  border: 4px solid #f3f4f6;
  margin-bottom: 1.3rem;
}

.leader-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.leader-body h3 {
  margin: 0 0 0.2rem;
  font-size: 1.25rem;
}

.leader-role {
  margin: 0 0 0.7rem;
  color: var(--brand);
  font-size: 0.85rem;
  font-weight: 600;
}

.leader-tag {
  margin: 0 0 1rem;
  color: #9ca3af;
  font-size: 0.81rem;
  text-align: center;
  font-style: italic;
  max-width: 360px;
}

.leader-intro {
  margin: 0 0 1rem;
  color: #4b5563;
  font-size: 0.95rem;
  text-align: center;
}

.leader-detail {
  width: 100%;
  margin-top: 0.85rem;
  padding-top: 1rem;
  border-top: 1px solid #f1f5f9;
}

.leader-detail h4 {
  margin: 0 0 0.55rem;
  font-size: 0.95rem;
}

.leader-detail p {
  margin: 0 0 0.7rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.chip-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip-list li {
  border: 1px solid #dbe4f3;
  background: #f8fbff;
  color: #36507b;
  border-radius: 999px;
  font-size: 0.8rem;
  padding: 0.3rem 0.7rem;
}

.site-foot,
.footer {
  border-top: 1px solid #f3f4f6;
}

.foot-shell,
.footer-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: #9ca3af;
  font-size: 0.88rem;
}

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

@media (max-width: 1024px) {
  .feature-grid:not(.three-col),
  .feature-grid.three-col {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 840px) {
  .nav-links a:not(.btn),
  .top-link {
    display: none;
  }

  .feature-grid,
  .feature-grid.two-col,
  .feature-grid.three-col,
  .problem-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 5rem 0 3.75rem;
  }

  .about-hero {
    padding-top: 4.6rem;
  }

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

  .container,
  .frame,
  .frame.wide,
  .frame.narrow {
    width: min(1280px, calc(100% - 2rem));
  }

  .leader-body {
    padding: 2rem 1.35rem;
  }
}