/* ===== Design tokens ===== */
:root {
  --navy: #0B1E3D;
  --dark-bg: #0E1B3D;
  --light-bg-1: #F4F6FA;
  --light-bg-2: #EAF0FB;
  --text-body-light-bg: #4B5568;
  --text-body-dark-bg: #C7D2E8;
  --white: #FFFFFF;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --container-max: 1200px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-pill: 999px;

  --shadow-card: 0 10px 30px -12px rgba(11, 30, 61, 0.15);
  --transition: 180ms ease;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text-body-light-bg);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 { color: var(--navy); font-weight: 800; line-height: 1.15; margin: 0; }
p { margin: 0; }
button { font: inherit; cursor: pointer; }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 20px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: transform var(--transition), background var(--transition), opacity var(--transition);
}
.btn:hover { transform: translateY(-1px); }

.btn-dark-pill {
  background: var(--navy);
  color: var(--white);
}
.btn-dark-pill:hover { background: #14284d; }

.btn-white-pill {
  background: var(--white);
  color: var(--navy);
}
.btn-white-pill:hover { opacity: 0.9; }

.btn-outline-pill {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.5);
}
.btn-outline-pill:hover { background: rgba(255, 255, 255, 0.08); }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid #E7EAF2;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 14px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--navy);
}
.logo-icon { flex-shrink: 0; }
.logo-text {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.main-nav {
  display: none;
  gap: 32px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-body-light-bg);
}
.main-nav a:hover { color: var(--navy); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-cta { padding: 11px 22px; font-size: 0.9rem; }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--navy);
  padding: 6px;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  border-top: 1px solid #E7EAF2;
  padding: 8px 20px 16px;
}
.mobile-nav a {
  padding: 12px 0;
  font-weight: 600;
  border-bottom: 1px solid #EFF2F8;
  color: var(--text-body-light-bg);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav.is-open { display: flex; }

@media (min-width: 768px) {
  .main-nav { display: flex; }
  .nav-toggle { display: none; }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: var(--dark-bg);
  overflow: hidden;
  padding-block: 96px 110px;
}
.hero-watermark {
  position: absolute;
  top: 50%;
  right: -8%;
  transform: translateY(-50%);
  color: var(--white);
  opacity: 0.05;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  max-width: 720px;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
}
.pill-hero {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-body-dark-bg);
  margin-bottom: 28px;
}
.pill-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6C9DFF;
  flex-shrink: 0;
}
.hero h1 {
  color: var(--white);
  font-size: clamp(2.2rem, 5.5vw, 3.4rem);
  margin-bottom: 24px;
}
.hero-lede {
  color: var(--text-body-dark-bg);
  font-size: 1.05rem;
  max-width: 620px;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ===== Section shared ===== */
.section-head {
  max-width: 700px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: 56px;
}
.eyebrow {
  color: #4F6FE0;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.section-sub {
  margin-top: 16px;
  font-size: 1.05rem;
}

.services {
  background: var(--light-bg-1);
  padding-block: 96px;
}

/* ===== Card grid ===== */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 640px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
}

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 32px;
  display: flex;
  flex-direction: column;
}
.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: #EEF1F7;
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}
.card p {
  flex-grow: 1;
  font-size: 0.97rem;
}
.learn-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--navy);
  font-weight: 700;
  font-size: 0.92rem;
  margin-top: 20px;
}
.learn-more:hover { text-decoration: underline; }

/* ===== Why us ===== */
.why-us {
  background: var(--light-bg-2);
  padding-block: 96px;
}
.why-us-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
.why-us-text h2 { font-size: clamp(1.8rem, 3.6vw, 2.4rem); margin-bottom: 20px; }
.why-us-text p { font-size: 1.02rem; margin-bottom: 28px; }

.checklist { display: flex; flex-direction: column; gap: 16px; }
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-weight: 600;
  color: var(--navy);
}
.check-icon { color: #3E63D6; flex-shrink: 0; margin-top: 1px; }

.why-us-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 560px) {
  .why-us-cards { grid-template-columns: repeat(2, 1fr); }
}

.mini-card {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 26px;
}
.mini-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.mini-card p { font-size: 0.92rem; }

@media (min-width: 900px) {
  .why-us-grid { grid-template-columns: 1.05fr 1fr; align-items: center; }
}

/* ===== Stats ===== */
.stats {
  background: var(--dark-bg);
  padding-block: 64px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  text-align: center;
}
@media (min-width: 768px) {
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
}
.stat-number {
  color: var(--white);
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 8px;
}
.stat-label {
  color: var(--text-body-dark-bg);
  font-size: 0.92rem;
}

/* ===== CTA banner ===== */
.cta-section {
  background: var(--light-bg-1);
  padding-block: 96px;
}
.cta-banner {
  background: linear-gradient(135deg, var(--dark-bg), #16295a);
  border-radius: var(--radius-lg);
  padding: 64px 32px;
  text-align: center;
}
.cta-banner h2 {
  color: var(--white);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin-bottom: 20px;
}
.cta-banner p {
  color: var(--text-body-dark-bg);
  max-width: 520px;
  margin-inline: auto;
  font-size: 1.02rem;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 36px;
}
.btn-outline-on-dark {
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--white);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--light-bg-1);
  border-top: 1px solid #E7EAF2;
  padding-block: 32px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}
.logo-footer .logo-text { font-size: 0.95rem; }
.footer-copy { font-size: 0.88rem; color: var(--text-body-light-bg); }
.footer-links {
  display: flex;
  gap: 24px;
  font-weight: 600;
  font-size: 0.9rem;
}
.footer-links a:hover { color: var(--navy); }

@media (min-width: 768px) {
  .footer-inner { flex-direction: row; justify-content: space-between; text-align: left; }
}