/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: #1f2d3d;
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: #0a66c2; text-decoration: none; transition: color .2s ease; }
a:hover { color: #064a8a; }
h1, h2, h3, h4, h5 { color: #0b1f3a; line-height: 1.25; font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.25rem); margin-bottom: .75rem; }
h3 { font-size: 1.25rem; margin-bottom: .5rem; }
p { color: #4a5568; margin-bottom: 1rem; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { padding: 80px 0; }

/* ===== Buttons ===== */
.btn {
  display: inline-block; padding: 14px 26px; border-radius: 8px;
  font-weight: 600; font-size: .95rem; text-align: center;
  transition: all .2s ease; cursor: pointer; border: 2px solid transparent;
}
.btn-primary { background: #0a66c2; color: #fff; }
.btn-primary:hover { background: #064a8a; color: #fff; transform: translateY(-1px); box-shadow: 0 6px 18px rgba(10,102,194,.25); }
.btn-secondary { background: #fff; color: #0a66c2; border-color: #0a66c2; }
.btn-secondary:hover { background: #0a66c2; color: #fff; }
.btn-accent { background: #ff6b35; color: #fff; }
.btn-accent:hover { background: #e55a28; color: #fff; transform: translateY(-1px); }

/* ===== Top Bar ===== */
.topbar {
  background: #0b1f3a; color: #cfd8e3; font-size: .82rem;
  padding: 8px 0;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; }
.topbar a { color: #cfd8e3; margin-left: 18px; }
.topbar a:hover { color: #fff; }

/* ===== Header ===== */
.header {
  position: sticky; top: 0; z-index: 100;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
.header .container {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 16px; padding-bottom: 16px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.25rem; font-weight: 800; color: #0b1f3a;
  letter-spacing: -0.02em;
}
.logo-mark {
  width: 38px; height: 38px; border-radius: 8px;
  background: linear-gradient(135deg, #0a66c2 0%, #00a6a6 100%);
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 1.1rem;
}
.nav { display: flex; align-items: center; gap: 28px; }
.nav a {
  color: #1f2d3d; font-weight: 500; font-size: .95rem;
  position: relative; padding: 6px 0;
}
.nav a:hover { color: #0a66c2; }
.nav a.active { color: #0a66c2; }
.nav a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -4px;
  height: 2px; background: #0a66c2; border-radius: 2px;
}
.header-cta { display: flex; gap: 12px; align-items: center; }
.hamburger { display: none; background: none; border: 0; font-size: 1.5rem; cursor: pointer; color: #0b1f3a; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, #f5f9ff 0%, #eaf3fb 100%);
  padding: 100px 0 90px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -100px; right: -100px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,166,166,.12), transparent 70%);
}
.hero .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; }
.hero-eyebrow {
  display: inline-block; padding: 6px 14px; background: rgba(10,102,194,.1);
  color: #0a66c2; font-weight: 600; font-size: .82rem; border-radius: 50px;
  margin-bottom: 18px; letter-spacing: .03em; text-transform: uppercase;
}
.hero h1 { margin-bottom: 20px; }
.hero p.lead { font-size: 1.15rem; color: #4a5568; margin-bottom: 30px; max-width: 540px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-visual {
  background: #fff; border-radius: 16px; padding: 30px;
  box-shadow: 0 20px 60px rgba(11,31,58,.1);
  border: 1px solid #e3ecf6;
}
.hero-stat { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 16px; }
.hero-stat-item { flex: 1; min-width: 130px; }
.hero-stat-item strong { display: block; font-size: 1.8rem; color: #0a66c2; font-weight: 800; }
.hero-stat-item span { font-size: .85rem; color: #6b7a8d; }

/* ===== Logo Bar ===== */
.logo-bar {
  padding: 50px 0; background: #fff; border-bottom: 1px solid #eef2f7;
}
.logo-bar h4 {
  text-align: center; color: #6b7a8d; font-size: .85rem;
  font-weight: 600; text-transform: uppercase; letter-spacing: .15em;
  margin-bottom: 28px;
}
.logo-bar-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 40px;
  align-items: center; opacity: .65;
}
.logo-bar-item {
  font-size: 1.1rem; font-weight: 700; color: #5a6b7e; text-align: center;
  letter-spacing: -.02em;
}

/* ===== Feature Grid ===== */
.section-head { text-align: center; max-width: 720px; margin: 0 auto 50px; }
.section-head h2 { margin-bottom: 14px; }
.section-head p { font-size: 1.1rem; }
.feature-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 28px;
}
.feature-card {
  background: #fff; padding: 32px; border-radius: 14px;
  border: 1px solid #e7eef6; transition: all .25s ease;
  display: flex; flex-direction: column;
}
.feature-card:hover {
  transform: translateY(-6px); box-shadow: 0 14px 40px rgba(11,31,58,.08);
  border-color: #c8dbf0;
}
.feature-icon {
  width: 56px; height: 56px; border-radius: 12px;
  background: linear-gradient(135deg, #e8f1fb 0%, #d4eaf3 100%);
  color: #0a66c2; display: grid; place-items: center;
  margin-bottom: 20px; font-size: 1.6rem;
}
.feature-card h3 { color: #0b1f3a; }
.feature-card p { color: #5a6b7e; margin-bottom: 16px; flex-grow: 1; }
.feature-card .link-arrow {
  color: #0a66c2; font-weight: 600; font-size: .92rem; margin-top: auto;
}
.feature-card .link-arrow:hover { color: #064a8a; }

/* ===== Two Column Block ===== */
.two-col {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }
.two-col-text h2 { margin-bottom: 18px; }
.two-col-list { list-style: none; margin-top: 24px; }
.two-col-list li {
  padding: 10px 0 10px 32px; position: relative; color: #1f2d3d;
}
.two-col-list li::before {
  content: '✓'; position: absolute; left: 0; top: 8px;
  width: 22px; height: 22px; border-radius: 50%;
  background: #00a6a6; color: #fff; font-size: .75rem; font-weight: 700;
  display: grid; place-items: center;
}
.two-col-visual {
  background: #fff; border-radius: 14px; padding: 36px;
  box-shadow: 0 14px 40px rgba(11,31,58,.08);
  border: 1px solid #e7eef6;
}

/* ===== Stats Band ===== */
.stats-band {
  background: linear-gradient(135deg, #0b1f3a 0%, #0a3a6b 100%);
  color: #fff; padding: 70px 0;
}
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 30px;
  text-align: center;
}
.stat-num {
  font-size: 2.6rem; font-weight: 800; color: #fff;
  margin-bottom: 6px; letter-spacing: -.02em;
}
.stat-label { color: #b8c8de; font-size: .95rem; }

/* ===== CTA Band ===== */
.cta-band {
  background: linear-gradient(135deg, #0a66c2 0%, #00a6a6 100%);
  color: #fff; padding: 70px 0; text-align: center;
}
.cta-band h2 { color: #fff; margin-bottom: 14px; }
.cta-band p { color: rgba(255,255,255,.92); font-size: 1.15rem; max-width: 620px; margin: 0 auto 28px; }
.cta-band .btn-primary { background: #fff; color: #0a66c2; }
.cta-band .btn-primary:hover { background: #f0f5fb; color: #064a8a; }
.cta-band .btn-secondary { background: transparent; color: #fff; border-color: #fff; }
.cta-band .btn-secondary:hover { background: #fff; color: #0a66c2; }

/* ===== Page Header (interior pages) ===== */
.page-header {
  background: linear-gradient(135deg, #0b1f3a 0%, #134c84 100%);
  color: #fff; padding: 80px 0 70px;
}
.page-header h1 { color: #fff; margin-bottom: 14px; }
.page-header p { color: rgba(255,255,255,.85); font-size: 1.15rem; max-width: 720px; }
.breadcrumbs {
  color: rgba(255,255,255,.7); font-size: .9rem; margin-bottom: 14px;
}
.breadcrumbs a { color: rgba(255,255,255,.85); }
.breadcrumbs a:hover { color: #fff; }

/* ===== Content layouts ===== */
.content-grid {
  display: grid; grid-template-columns: 1fr 320px; gap: 60px;
}
.content-main h2 { margin-top: 40px; margin-bottom: 12px; }
.content-main h2:first-child { margin-top: 0; }
.content-main h3 { margin-top: 28px; margin-bottom: 10px; color: #0b1f3a; }
.content-main p, .content-main ul { margin-bottom: 18px; color: #4a5568; }
.content-main ul { padding-left: 24px; }
.content-main ul li { margin-bottom: 8px; }
.sidebar {
  background: #f7faff; border: 1px solid #e3ecf6;
  border-radius: 12px; padding: 28px; height: fit-content; position: sticky; top: 100px;
}
.sidebar h3 { color: #0b1f3a; margin-bottom: 14px; font-size: 1.05rem; }
.sidebar ul { list-style: none; margin-bottom: 20px; }
.sidebar ul li { padding: 6px 0; }
.sidebar ul li a { color: #1f2d3d; font-size: .92rem; }
.sidebar ul li a:hover { color: #0a66c2; }
.sidebar .btn { width: 100%; margin-top: 8px; }

/* ===== Article cards ===== */
.article-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px;
}
.article-card {
  background: #fff; border-radius: 14px; overflow: hidden;
  border: 1px solid #e7eef6; transition: all .25s ease;
}
.article-card:hover { transform: translateY(-4px); box-shadow: 0 14px 40px rgba(11,31,58,.08); }
.article-thumb {
  height: 180px; background: linear-gradient(135deg, #0a66c2 0%, #00a6a6 100%);
  display: grid; place-items: center; color: #fff; font-size: 2rem; font-weight: 800;
}
.article-thumb.alt-1 { background: linear-gradient(135deg, #0b1f3a 0%, #134c84 100%); }
.article-thumb.alt-2 { background: linear-gradient(135deg, #ff6b35 0%, #d4470a 100%); }
.article-thumb.alt-3 { background: linear-gradient(135deg, #00a6a6 0%, #006d6d 100%); }
.article-thumb.alt-4 { background: linear-gradient(135deg, #6a4cd4 0%, #4527a0 100%); }
.article-body { padding: 24px; }
.article-tag {
  display: inline-block; padding: 4px 10px; background: #eaf3fb;
  color: #0a66c2; font-size: .75rem; font-weight: 600; border-radius: 4px;
  text-transform: uppercase; letter-spacing: .04em; margin-bottom: 12px;
}
.article-body h3 { font-size: 1.1rem; margin-bottom: 10px; }
.article-body p { font-size: .92rem; }
.article-meta { font-size: .82rem; color: #8a99ab; margin-top: 14px; }

/* ===== FAQ ===== */
.faq-item {
  background: #fff; border: 1px solid #e7eef6; border-radius: 10px;
  padding: 22px 24px; margin-bottom: 14px;
}
.faq-item summary {
  font-weight: 600; color: #0b1f3a; cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 1.4rem; color: #0a66c2; font-weight: 400;
  transition: transform .2s ease;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item p { margin-top: 14px; color: #4a5568; }

/* ===== Team grid ===== */
.team-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 28px;
}
.team-card {
  background: #fff; border-radius: 14px; padding: 28px; text-align: center;
  border: 1px solid #e7eef6;
}
.team-avatar {
  width: 90px; height: 90px; border-radius: 50%;
  background: linear-gradient(135deg, #0a66c2 0%, #00a6a6 100%);
  margin: 0 auto 16px; display: grid; place-items: center;
  color: #fff; font-size: 1.6rem; font-weight: 700;
}
.team-card h3 { font-size: 1.1rem; margin-bottom: 4px; }
.team-card .role { color: #0a66c2; font-size: .9rem; font-weight: 600; margin-bottom: 12px; }
.team-card p { font-size: .9rem; }

/* ===== Footer ===== */
.footer {
  background: #0b1f3a; color: #b8c8de; padding: 70px 0 30px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 40px;
  margin-bottom: 50px;
}
.footer-col h4 {
  color: #fff; font-size: .95rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em; margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #b8c8de; font-size: .92rem; }
.footer-col ul li a:hover { color: #fff; }
.footer-brand .logo { color: #fff; margin-bottom: 14px; }
.footer-brand p { color: #b8c8de; font-size: .9rem; max-width: 300px; }
.footer-bottom {
  border-top: 1px solid #1a3559; padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px;
  font-size: .85rem; color: #8298b3;
}
.footer-bottom a { color: #8298b3; margin-left: 18px; }
.footer-bottom a:hover { color: #fff; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .hero .container { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .content-grid { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .logo-bar-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
  section { padding: 60px 0; }
  .hero { padding: 60px 0; }
  .nav, .header-cta .btn-secondary { display: none; }
  .hamburger { display: block; }
  .nav.open {
    display: flex; flex-direction: column; gap: 14px;
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; padding: 24px; box-shadow: 0 4px 20px rgba(0,0,0,.08);
  }
  .topbar { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .logo-bar-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}