:root {
  --ink: #0f172a;
  --ink-soft: #1e293b;
  --muted: #64748b;
  --line: #e2e8f0;
  --surface: #f8fafc;
  --white: #ffffff;
  --blue: #1b936f;
  --blue-dark: #157a5b;
  --mint: #ff8126;
  --radius: 14px;
  --max: 1100px;
  --prose: 42rem;
  --sans: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
}

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

html {
  color-scheme: light;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--blue);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

/* nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  font-weight: 700;
}
.brand img {
  height: 28px;
  width: auto;
}
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  align-items: center;
}
.nav-links a {
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 500;
}
.nav-links a:hover,
.nav-links a[aria-current='page'] {
  color: var(--blue);
  text-decoration: none;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  background: var(--blue);
  color: var(--white) !important;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
}
.nav-cta:hover {
  background: var(--blue-dark);
  text-decoration: none;
}

/* hero */
.hero {
  padding: 3.5rem 0 2.5rem;
  background:
    radial-gradient(900px 400px at 10% -10%, rgba(37, 99, 235, 0.12), transparent 60%),
    radial-gradient(700px 300px at 90% 0%, rgba(20, 184, 166, 0.1), transparent 55%),
    var(--surface);
  border-bottom: 1px solid var(--line);
}
.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  max-width: 16ch;
}
.hero .lede {
  margin: 0 0 1.4rem;
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 38rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--blue);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--blue-dark);
  text-decoration: none;
}
.btn-ghost {
  background: var(--white);
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover {
  border-color: var(--blue);
  text-decoration: none;
}

/* sections */
.section {
  padding: 3rem 0;
}
.section h2 {
  margin: 0 0 0.5rem;
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}
.section .sub {
  color: var(--muted);
  margin: 0 0 1.5rem;
  max-width: 40rem;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
@media (max-width: 860px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
a.card:hover {
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  text-decoration: none;
}
.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
  color: var(--ink);
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.card .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--blue);
  background: rgba(37, 99, 235, 0.08);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  margin-bottom: 0.55rem;
}

/* page / prose */
.page-hero {
  padding: 2.5rem 0 1.25rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.page-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
}
.prose {
  max-width: var(--prose);
  padding: 2rem 0 3rem;
  color: var(--muted);
}
.prose :global(h2) {
  color: var(--ink);
  margin: 1.8rem 0 0.6rem;
}
.prose :global(h3) {
  color: var(--ink);
  margin: 1.3rem 0 0.45rem;
}
.prose :global(p) {
  margin: 0 0 0.9rem;
}
.prose :global(ul) {
  padding-left: 1.2rem;
}
.prose :global(a) {
  color: var(--blue);
}
.prose :global(strong) {
  color: var(--ink);
}

/* contact form */
.form {
  display: grid;
  gap: 0.85rem;
  max-width: 32rem;
}
.form label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-soft);
}
.form input,
.form textarea {
  font: inherit;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  color: var(--ink);
}
.form textarea {
  min-height: 140px;
  resize: vertical;
}
.form .hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
}
.form-msg {
  color: var(--mint);
  font-weight: 600;
}

/* footer */
.site-foot {
  border-top: 1px solid var(--line);
  background: var(--surface);
  padding: 2rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.site-foot .inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  justify-content: space-between;
}
.site-foot a {
  color: var(--ink-soft);
}
.badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(27, 147, 111, 0.12);
  color: #157a5b;
  font-weight: 700;
  letter-spacing: 0.01em;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
  }
}