:root {
  --navy: #1a2f5c;
  --navy-deep: #0f1f44;
  --navy-soft: #2a4280;
  --ink: #0f172a;
  --muted: #5b6478;
  --line: #e6e8ee;
  --bg: #ffffff;
  --bg-alt: #f6f7fb;
  --accent: #3b6dd1;
  --radius: 14px;
  --maxw: 1140px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 6px 24px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

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

a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--accent); }

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

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
  z-index: 50;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand img {
  height: 40px;
  width: auto;
  display: block;
}

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

.nav-links a {
  font-weight: 500;
  font-size: 15px;
  color: var(--ink);
}
.nav-links a:hover { color: var(--navy); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--navy);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--navy-deep);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border-color: var(--line);
}
.btn-secondary:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.btn-ghost {
  padding: 9px 18px;
  border: 1px solid var(--line);
  font-size: 14px;
  color: var(--ink);
}
.btn-ghost:hover {
  border-color: var(--navy);
  color: var(--navy);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 110px;
}

.hero-inner {
  position: relative;
  max-width: 820px;
  z-index: 1;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy-soft);
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(38px, 5.6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--navy-deep);
  margin: 0 0 22px;
}

.lede {
  font-size: clamp(17px, 1.6vw, 19px);
  color: var(--muted);
  max-width: 640px;
  margin: 0 0 36px;
}

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

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 500px at 85% 10%, rgba(59, 109, 209, 0.10), transparent 60%),
    radial-gradient(700px 400px at 10% 90%, rgba(26, 47, 92, 0.08), transparent 60%);
  pointer-events: none;
}

/* ---------- Sections ---------- */
.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  max-width: 720px;
  margin: 0 0 56px;
}

h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  font-weight: 700;
  color: var(--navy-deep);
  margin: 0 0 16px;
}

h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--navy-deep);
  margin: 0 0 10px;
}

p { margin: 0 0 14px; color: var(--muted); }

/* ---------- Grid / Cards ---------- */
.grid {
  display: grid;
  gap: 24px;
}

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

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #d8dde9;
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(26, 47, 92, 0.06);
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.card-icon svg { width: 22px; height: 22px; }

.card p { margin: 0; font-size: 15px; }

/* ---------- Approach ---------- */
.approach {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}

.approach-copy p {
  font-size: 16px;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
}

.checklist li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 12px;
  color: var(--ink);
  font-weight: 500;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--navy);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
  background-size: 12px 12px;
  background-position: center;
  background-repeat: no-repeat;
}

.approach-visual {
  position: relative;
  height: 320px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff 0%, #eef1f8 100%);
  border: 1px solid var(--line);
  overflow: hidden;
}

.lane {
  position: absolute;
  bottom: -20%;
  width: 18px;
  background: var(--navy);
  transform-origin: bottom center;
  border-radius: 4px 4px 0 0;
  opacity: 0.9;
}

.lane-1 {
  left: 28%;
  height: 70%;
  transform: rotate(-14deg) scaleY(1);
}

.lane-2 {
  left: 50%;
  height: 88%;
  transform: translateX(-50%);
  background: linear-gradient(180deg, var(--navy-soft), var(--navy));
}

.lane-2::after {
  content: "";
  position: absolute;
  inset: 6% 7px auto 7px;
  height: 88%;
  background-image: linear-gradient(180deg, #fff 0 14px, transparent 14px 30px);
  background-size: 100% 30px;
  background-repeat: repeat-y;
  opacity: 0.85;
}

.lane-3 {
  right: 28%;
  height: 70%;
  transform: rotate(14deg);
}

/* ---------- About ---------- */
.about {
  max-width: 760px;
}

.about p {
  font-size: 17px;
  color: var(--muted);
}

/* ---------- Contact ---------- */
.section-contact {
  background: var(--navy-deep);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.section-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(800px 400px at 90% 0%, rgba(59, 109, 209, 0.25), transparent 60%),
    radial-gradient(700px 400px at 0% 100%, rgba(255, 255, 255, 0.05), transparent 60%);
  pointer-events: none;
}

.section-contact .eyebrow { color: #9fb3e6; }
.section-contact h2 { color: #fff; }
.section-contact p { color: rgba(255, 255, 255, 0.78); }

.contact {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 48px;
  align-items: center;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 28px 56px;
}

.contact-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #9fb3e6;
  margin-bottom: 4px;
}

.contact-list a {
  color: #fff;
  font-size: 18px;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.contact-list a:hover {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0.6);
}

.contact-cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 28px;
  border-radius: 999px;
  background: #fff;
  color: var(--navy-deep);
  font-weight: 600;
  font-size: 16px;
  box-shadow: var(--shadow-md);
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.contact-cta:hover {
  color: var(--navy-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}
.contact-cta svg { width: 18px; height: 18px; }

/* ---------- Footer ---------- */
.site-footer {
  background: #0a142e;
  color: rgba(255, 255, 255, 0.7);
  padding: 28px 0;
  font-size: 14px;
}

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

.site-footer p { margin: 0; color: rgba(255, 255, 255, 0.7); }
.site-footer a { color: rgba(255, 255, 255, 0.85); }
.site-footer a:hover { color: #fff; }

.footer-meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .approach { grid-template-columns: 1fr; gap: 36px; }
  .approach-visual { height: 220px; }
  .contact { grid-template-columns: 1fr; }
  .contact-cta { justify-self: start; }
}

@media (max-width: 640px) {
  .nav { height: 64px; }
  .brand img { height: 42px; }
  .nav-links { gap: 14px; }
  .nav-links a:not(.btn) { display: none; }
  .hero { padding: 64px 0 80px; }
  .section { padding: 72px 0; }
  .grid-3 { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}