:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --ink: #10233f;
  --muted: #5f6f86;
  --line: #dce5ef;
  --accent: #14b8c5;
  --accent-dark: #0e7490;
  --warm: #f6c85f;
  --shadow: 0 24px 80px rgba(16, 35, 63, 0.14);
  --radius: 28px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(20, 184, 197, 0.18), transparent 30rem),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 46%, #edf4f8 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  width: 2.6rem;
  height: 2.6rem;
  place-items: center;
  color: white;
  background: linear-gradient(135deg, var(--ink), var(--accent-dark));
  border-radius: 0.9rem;
  box-shadow: 0 12px 30px rgba(14, 116, 144, 0.28);
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--accent-dark);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.header-cta {
  padding: 0.75rem 1rem;
  color: white;
  background: var(--ink);
  font-size: 0.9rem;
}

.button {
  padding: 0.95rem 1.25rem;
}

.button:hover,
.header-cta:hover {
  transform: translateY(-2px);
}

.primary {
  color: white;
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  box-shadow: 0 18px 40px rgba(14, 116, 144, 0.28);
}

.secondary {
  color: var(--ink);
  background: white;
  border: 1px solid var(--line);
}

.full {
  width: 100%;
}

main,
.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

section {
  padding: 5rem 0;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(300px, 0.78fr);
  gap: 3rem;
  align-items: center;
}

.hero {
  min-height: calc(100vh - 5rem);
  padding-top: 4rem;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 1.25rem;
  font-size: clamp(3rem, 7vw, 5.9rem);
  line-height: 0.94;
  letter-spacing: -0.07em;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

h3 {
  margin-bottom: 0.65rem;
  font-size: 1.25rem;
  line-height: 1.2;
}

.hero-text,
.section-heading p,
.contact p,
.why-card p {
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 2rem 0 1rem;
}

.microcopy {
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-card {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.signal-card,
.service-card,
.use-case-grid article,
.contact-card,
.why-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  box-shadow: 0 18px 45px rgba(16, 35, 63, 0.08);
}

.signal-card {
  padding: 1.15rem;
}

.signal-card.active {
  color: white;
  background: linear-gradient(135deg, var(--ink), #163c67);
  border-color: transparent;
}

.signal-card span {
  display: inline-flex;
  margin-bottom: 0.8rem;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 900;
}

.signal-card.active span,
.signal-card.active p {
  color: #d6f9fb;
}

.signal-card strong {
  display: block;
  margin-bottom: 0.35rem;
}

.signal-card p,
.service-card p,
.use-case-grid p,
.steps p {
  margin-bottom: 0;
  color: var(--muted);
}

.pain-section {
  display: grid;
  gap: 1.6rem;
}

.pain-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.pain-list span {
  padding: 0.8rem 1rem;
  background: white;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-weight: 800;
}

.sticky-heading {
  align-self: start;
  position: sticky;
  top: 6rem;
}

.service-cards,
.steps {
  display: grid;
  gap: 1rem;
}

.service-card {
  padding: 1.4rem;
}

.icon {
  display: inline-flex;
  margin-bottom: 1.2rem;
  padding: 0.45rem 0.65rem;
  color: var(--accent-dark);
  background: #e7fbfd;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.center {
  max-width: 720px;
  margin: 0 auto 2rem;
  text-align: center;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.use-case-grid article {
  padding: 1.2rem;
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  position: relative;
  padding: 1.25rem 1.25rem 1.25rem 4.5rem;
  background: white;
  border: 1px solid var(--line);
  border-radius: 1.3rem;
  counter-increment: step;
}

.steps li::before {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  display: grid;
  width: 2.2rem;
  height: 2.2rem;
  place-items: center;
  color: white;
  background: var(--ink);
  border-radius: 50%;
  content: counter(step);
  font-weight: 900;
}

.steps span {
  display: block;
  margin-bottom: 0.3rem;
  font-weight: 900;
}

.why-section {
  padding: 3rem 0;
}

.why-card {
  padding: clamp(1.5rem, 4vw, 3rem);
  background:
    linear-gradient(135deg, rgba(16, 35, 63, 0.96), rgba(14, 116, 144, 0.9)),
    var(--ink);
  color: white;
}

.why-card .eyebrow,
.why-card p,
.why-card li {
  color: #d9f5f7;
}

.why-card ul {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0 0;
  padding-left: 1.2rem;
}

.contact-card {
  padding: 1.5rem;
}

.email-link {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--accent-dark);
  font-size: 1.4rem;
  font-weight: 900;
  word-break: break-word;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  padding-bottom: 2rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}

.site-footer p {
  margin: 0;
}

.privacy-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 5rem 1.25rem;
}

.privacy-page a {
  color: var(--accent-dark);
  font-weight: 800;
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
  }

  .site-nav,
  .header-cta {
    display: none;
  }

  .section-grid,
  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 3rem;
  }

  section {
    padding: 3.5rem 0;
  }

  .sticky-heading {
    position: static;
  }
}

@media (max-width: 520px) {
  main,
  .site-footer,
  .site-header {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  h1 {
    font-size: clamp(2.8rem, 16vw, 4.2rem);
  }

  .button {
    width: 100%;
  }

  .steps li {
    padding-left: 1.1rem;
  }

  .steps li::before {
    position: static;
    margin-bottom: 0.8rem;
  }
}