/* --- Sticky footer baseline --- */
html, body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  max-width: 1600px;
  margin: 0 auto;
  padding: 60px 50px;
}

footer {
  margin-top: auto;
}

/* --- Theme tokens --- */
:root{
  --brand-dark:#002b45;
  --brand-mid:#003b5c;
  --text-on-dark:#ffffff;
  --text-subtle:#e0f0ff;
  --sticky-offset:70px;
  --content-max:1600px;
}

/* --- Global --- */
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  margin:0;
  color:#0f1e2e;
  background:#0b2a3a;
  background-attachment:fixed;
  background-position:center center;
  background-repeat:no-repeat;
  background-size:cover;
}
section,.hero{ scroll-margin-top:var(--sticky-offset); }

/* --- Header --- */
header{
  position:sticky; top:0; z-index:1000;
  background:var(--brand-dark); color:var(--text-on-dark);
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 20px;
  box-shadow:0 6px 20px rgba(0,0,0,.15);
}
.logo{ height:40px; }
.nav{ display:flex; gap:16px; align-items:center; }
.nav a{
  color:var(--text-on-dark);
  text-decoration:none;
  font-weight:600;
  padding:8px 10px;
  border-radius:6px;
}
.nav a.active,.nav a:hover{ background:rgba(255,255,255,.12); }
.menu-toggle{ display:none; font-size:26px; cursor:pointer; color:#fff; }

/* --- Hero --- */
.hero{
  display:grid; place-items:center; text-align:center; color:#fff;
  padding:90px 20px;
  background:rgba(0,59,92,0.82);
}
.hero h1{ margin:0 0 8px; font-size:clamp(26px,3.4vw,42px); }
.hero p { margin:0; font-size:clamp(14px,1.6vw,18px); opacity:.95; }

/* --- Main content --- */
section + section{ margin-top:28px; }
h2{ color:#003b5c; font-size:clamp(22px,2.6vw,32px); margin:0 0 12px; }

.grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:18px; }
.card{
  background:var(--brand-mid); color:#fff; padding:18px; border-radius:10px;
  box-shadow:0 6px 18px rgba(0,0,0,.12);
}
.card h3{ margin:0 0 6px; color:#fff; }
.card p { margin:0; color:var(--text-subtle); }

.section-bg{
  background:rgba(255,255,255,0.88);
  border-radius:10px;
  box-shadow:0 6px 18px rgba(0,0,0,.08);
  padding:40px;
  max-width:1600px;
  margin:0 auto;
}

footer {
  background: var(--brand-dark);
  color: #fff;
  text-align: center;
  padding: 16px 12px;
  margin-top: 20px;
  border-top: 1px solid rgba(255,255,255,.15);
}

.contact-card a{ color:#fff; text-decoration:underline; }

/* --- Responsive tweaks --- */
@media (max-width: 820px){
  .nav{
    position:absolute; right:0; left:0; top:64px;
    background:var(--brand-dark);
    flex-direction:column; display:none; padding:12px;
  }
  .nav.show{ display:flex; }
  .menu-toggle{ display:block; }
  .nav a{ margin:6px 10px; }

  body{ font-size:15px; line-height:1.55; }
  h1{ font-size:1.9rem; }
  h2{ font-size:1.5rem; }
  p, li{ font-size:.98rem; }

  .hero{ padding:56px 16px; }
  section{ padding:36px 18px; }
  .grid{ grid-template-columns:1fr; gap:14px; }
  .logo{ height:32px; }
}

/* --- Footer Grid with Card Style --- */
.footer-sections {
  background: var(--brand-dark);
  color: var(--text-on-dark);
  padding: 40px 20px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-card {
  background: var(--brand-mid);
  color: #fff;
  padding: 18px;
  border-radius: 10px;
  box-shadow: 0 6px 14px rgba(0,0,0,.15);
  text-align: left;
}

.footer-card h3 {
  margin-top: 0;
  font-size: 1.1rem;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  padding-bottom: 6px;
}

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

.footer-card li {
  margin-bottom: 6px;
}

.footer-card a {
  color: var(--text-subtle);
  text-decoration: none;
}

.footer-card a:hover {
  text-decoration: underline;
}

.footer-socials { margin-top: 10px; }
.footer-socials a { margin-right: 10px; color: var(--text-subtle); }

.footer-bottom {
  text-align: center;
  margin-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 12px;
  font-size: 0.9rem;
  opacity: 0.9;
}

/* Cross-device compatibility */
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

@supports (min-height: 100svh) {
  html, body { min-height: 100svh; }
}

@media (max-width: 900px){
  body { background-attachment: scroll; }
}

img, video { max-width: 100%; height: auto; display: block; }

@media (max-width: 900px){
  .nav a { padding: 12px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

header, footer {
  padding-left: max(20px, env(safe-area-inset-left));
  padding-right: max(20px, env(safe-area-inset-right));
}

input, select, textarea, button { font-size: 16px; }

html, body { overflow-x: hidden; }
.section-bg, .card, .footer-card { word-wrap: break-word; overflow-wrap: anywhere; }

@supports not (gap: 10px) {
  .nav a { margin-left: 10px; }
  .nav a:first-child { margin-left: 0; }
}

a, button, [tabindex]:not([tabindex="-1"]) { outline-offset: 3px; }
:focus-visible { outline: 2px solid #0ea5e9; }

.scroll-area { -webkit-overflow-scrolling: touch; }
.footer-grid { align-items: start; }

/* widen main + sections + grid */
@media (min-width: 1024px){
  main { max-width: 1600px !important; margin-left:auto; margin-right:auto; }
  .section-bg { max-width: 1600px !important; margin-left:auto; margin-right:auto; }
  .grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap:24px; }
}