:root {
  --teal: #2ba99a;
  --teal-dark: #1e8a7c;
  --grey-logo: #b6bbbe;
  --ink: #1d2a32;
  --ink-soft: #4a5963;
  --muted: #6b7882;
  --line: #e6ebee;
  --bg: #ffffff;
  --bg-muted: #f4f7f8;
  --bg-deep: #0f1c22;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(15, 28, 34, 0.04), 0 1px 1px rgba(15, 28, 34, 0.03);
  --shadow-md: 0 8px 24px rgba(15, 28, 34, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--teal-dark);
  text-decoration: none;
}

a:hover {
  color: var(--teal);
}

h1, h2, h3 {
  color: var(--ink);
  margin: 0 0 0.5em;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
}

h3 {
  font-size: 1.15rem;
  font-weight: 600;
}

p {
  margin: 0 0 1em;
  color: var(--ink-soft);
}

/* ---------- Logo ---------- */

.logo {
  display: inline-flex;
  font-weight: 600;
  font-size: 1.45rem;
  letter-spacing: 0.18em;
  font-family: 'Inter', sans-serif;
  text-decoration: none;
}

.logo-build {
  color: var(--grey-logo);
  font-weight: 300;
}

.logo-on {
  color: var(--teal);
  font-weight: 600;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.site-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.site-nav a {
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--ink);
}

.site-nav .nav-cta {
  padding: 8px 16px;
  background: var(--teal);
  color: #fff;
  border-radius: 999px;
  font-weight: 600;
}

.site-nav .nav-cta:hover {
  background: var(--teal-dark);
  color: #fff;
}

@media (max-width: 640px) {
  .site-nav {
    gap: 16px;
  }
  .site-nav a:not(.nav-cta) {
    display: none;
  }
}

/* ---------- Hero ---------- */

.hero {
  padding: 96px 0 80px;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(43, 169, 154, 0.10), transparent 60%),
    radial-gradient(800px 400px at 0% 0%, rgba(43, 169, 154, 0.06), transparent 60%);
}

.hero-inner {
  max-width: 820px;
}

.eyebrow,
.section-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin: 0 0 18px;
}

.hero h1 {
  margin-bottom: 18px;
}

.accent {
  color: var(--teal);
}

.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 60ch;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.05s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn:active {
  transform: translateY(1px);
}

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

.btn-primary:hover {
  background: var(--teal-dark);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--ink-soft);
  color: var(--ink);
}

/* ---------- Sections ---------- */

.section {
  padding: 80px 0;
}

.section-muted {
  background: var(--bg-muted);
}

.section h2 {
  margin-bottom: 14px;
}

.section-lede {
  max-width: 60ch;
  font-size: 1.05rem;
  margin-bottom: 42px;
}

/* ---------- Cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #cfd8dc;
}

.card-mark {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  margin-bottom: 14px;
  background: rgba(43, 169, 154, 0.10);
  color: var(--teal-dark);
  font-weight: 700;
}

.card-mark-billsplit {
  background: linear-gradient(135deg, rgba(43, 169, 154, 0.18), rgba(43, 169, 154, 0.06));
}

.card-mark-swim {
  background: linear-gradient(135deg, rgba(56, 162, 215, 0.18), rgba(56, 162, 215, 0.06));
  color: #1f7aa6;
}

.card h3 {
  margin: 0;
}

.card-tag {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
  margin: 2px 0 10px;
  letter-spacing: 0.02em;
}

.card p {
  margin: 0 0 18px;
  font-size: 0.97rem;
}

.card-link {
  margin-top: auto;
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ---------- Clients ---------- */

.client-strip {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.client-pill {
  padding: 14px 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.04em;
  font-size: 1.02rem;
  box-shadow: var(--shadow-sm);
}

/* ---------- Services ---------- */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 12px;
}

.service {
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
}

.service h3 {
  margin-bottom: 6px;
  color: var(--teal-dark);
}

.service p {
  margin: 0;
  font-size: 0.95rem;
}

/* ---------- CTA / Contact ---------- */

.section-cta {
  background: var(--bg-deep);
  color: #e5edf0;
}

.section-cta h2,
.section-cta .section-eyebrow {
  color: #ffffff;
}

.section-cta .section-eyebrow {
  color: var(--teal);
}

.section-cta .section-lede,
.section-cta p {
  color: #b3c1c8;
}

.cta-inner {
  max-width: 760px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px 22px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius);
  color: #fff;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.contact-card:hover {
  background: rgba(43, 169, 154, 0.12);
  border-color: rgba(43, 169, 154, 0.40);
  color: #fff;
}

.contact-label {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 600;
}

.contact-value {
  font-size: 1.1rem;
  font-weight: 600;
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-brand .logo-build,
.footer-brand .logo-on {
  font-size: 1.05rem;
  letter-spacing: 0.18em;
}

.footer-meta {
  text-align: right;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-meta p {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 540px) {
  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-meta {
    text-align: left;
  }
}