:root {
  --navy: #1e3a5f;
  --navy-dark: #142943;
  --blue: #3f7cb0;
  --blue-light: #5b93c4;
  --gray: #6b7280;
  --gray-light: #9aa3af;
  --bg: #ffffff;
  --bg-alt: #f5f8fb;
  --border: #e3e8ee;
  --radius: 8px;
  --max-width: 1140px;
  --shadow: 0 4px 20px rgba(30, 58, 95, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #2a3240;
  background: var(--bg);
  line-height: 1.6;
}

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

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

img {
  max-width: 100%;
  display: block;
}

h1, h2, h3, h4 {
  color: var(--navy);
  line-height: 1.2;
  margin: 0 0 0.6em;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 0.75em;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.85em 1.8em;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

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

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

.btn-outline {
  background: transparent;
  border-color: #fff;
  color: #fff;
}

.btn-outline:hover {
  background: #fff;
  color: var(--navy);
}

.btn-outline-dark {
  background: transparent;
  border-color: var(--navy);
  color: var(--navy);
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--navy);
  letter-spacing: -0.01em;
}

.logo-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.logo-mark {
  height: 30px;
  width: auto;
}

.logo-word {
  font-weight: 800;
  font-size: 0.92rem;
  color: var(--navy);
  margin-top: 2px;
  line-height: 1;
}

.logo-suffix {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--gray);
  line-height: 1.25;
  max-width: 150px;
  padding-left: 14px;
  border-left: 1px solid var(--border);
}

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

nav.main-nav a {
  color: var(--navy-dark);
  font-weight: 600;
  font-size: 0.95rem;
}

nav.main-nav a.active,
nav.main-nav a:hover {
  color: var(--blue);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
  transition: 0.2s;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy) 60%, var(--blue));
  color: #fff;
  padding: 96px 0 88px;
}

.hero .container {
  max-width: 760px;
}

.hero h1 {
  color: #fff;
}

.hero p.lead {
  font-size: 1.2rem;
  color: #dce6f0;
  max-width: 620px;
}

.hero .eyebrow {
  color: #9fc4e8;
}

.platform-line {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  color: #b9cee2;
}

.hero-cta {
  margin-top: 2.2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Sections */
section {
  padding: 80px 0;
}

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

.section-head {
  max-width: 640px;
  margin: 0 auto 3rem;
  text-align: center;
}

.section-head.left {
  margin: 0 0 3rem;
  text-align: left;
}

/* Cards / grid */
.grid {
  display: grid;
  gap: 1.75rem;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow);
}

.card .icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  color: var(--blue);
}

.card h3 {
  margin-bottom: 0.5em;
}

.card p {
  color: var(--gray);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* Approach steps */
.approach {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  counter-reset: step;
}

.approach-step {
  flex: 1 1 160px;
  text-align: center;
  padding: 1.5rem 1rem;
  position: relative;
}

.approach-step .num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 0.75rem;
}

.approach-step h4 {
  margin: 0;
  font-size: 1rem;
  color: var(--navy);
}

.approach-arrow {
  align-self: center;
  color: var(--gray-light);
  font-size: 1.4rem;
  padding-top: 1.6rem;
}

/* CTA band */
.cta-band {
  background: var(--navy);
  color: #fff;
  text-align: center;
  padding: 64px 0;
}

.cta-band h2 {
  color: #fff;
}

.cta-band p {
  color: #cddaea;
  max-width: 520px;
  margin: 0 auto 1.75rem;
}

/* Service detail rows */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2.5rem;
  padding: 2.75rem 0;
  border-bottom: 1px solid var(--border);
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail h3 {
  font-size: 1.3rem;
}

.service-detail ul {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--gray);
}

.service-detail li {
  margin-bottom: 0.4em;
}

/* About */
.about-hero {
  padding: 72px 0 24px;
}

.about-hero .eyebrow {
  color: var(--blue);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3rem;
  align-items: start;
}

.contact-info .item {
  margin-bottom: 1.75rem;
}

.contact-info .item span.label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray);
  margin-bottom: 0.3em;
}

.contact-info .item a,
.contact-info .item p {
  font-size: 1.05rem;
  color: var(--navy-dark);
  font-weight: 600;
  margin: 0;
}

form.contact-form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.form-row {
  margin-bottom: 1.25rem;
}

.form-row label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy-dark);
  margin-bottom: 0.4em;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.75em 0.9em;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.95rem;
  color: #2a3240;
  background: var(--bg-alt);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: 2px solid var(--blue-light);
  outline-offset: 1px;
  background: #fff;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-note {
  font-size: 0.82rem;
  color: var(--gray);
  margin-top: 0.5rem;
}

/* Footer */
footer.site-footer {
  background: var(--navy-dark);
  color: #b9c4d1;
  padding: 56px 0 28px;
  font-size: 0.9rem;
}

footer.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

footer.site-footer h4 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1em;
}

footer.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

footer.site-footer li {
  margin-bottom: 0.6em;
}

footer.site-footer a {
  color: #b9c4d1;
}

footer.site-footer a:hover {
  color: #fff;
}

.footer-bottom {
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: #8ea0b3;
}

/* Responsive */
@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .service-detail { grid-template-columns: 1fr; gap: 0.75rem; }
  .contact-grid { grid-template-columns: 1fr; }
  footer.site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  nav.main-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    display: none;
  }

  nav.main-nav.open {
    display: block;
  }

  nav.main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 1rem 24px 1.5rem;
  }

  nav.main-nav li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-toggle {
    display: block;
  }

  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .approach { flex-direction: column; }
  .approach-arrow { display: none; }
  footer.site-footer .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero { padding: 72px 0 64px; }
  section { padding: 56px 0; }
}