/* =========================
   COLOR PALETTE (BLUE THEME)
   ========================= */
:root {
  --blue-primary: #0D47A1;     
  --blue-secondary: #1565C0;   
  --blue-accent: #1E88E5;      
  --blue-light: #E3F2FD;       
  --text-dark: #263238;
  --white: #FFFFFF;
}

/* =========================
   GLOBAL STYLES
   ========================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--white);
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

/* =========================
   TOP HEADER
   ========================= */
.top-header {
  background-color: var(--blue-primary);
  color: var(--white);
  padding: 15px 0;
}

.header-flex {
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo {
  width: 60px;
  height: auto;
}

.top-header h1 {
  font-size: 1.2rem;
  font-weight: bold;
}

.top-header p {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* =========================
   NAVIGATION BAR
   ========================= */
.main-nav {
  background-color: var(--blue-secondary);
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 25px;
  padding: 12px 0;
}

.main-nav a {
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
}

.main-nav a:hover,
.main-nav a.active {
  border-bottom: 2px solid var(--white);
  padding-bottom: 3px;
}

.main-nav.sticky {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 999;
}

/* =========================
   HERO SECTION (KEEP URL BG)
   ========================= */
.hero {
  position: relative;
  background: url('https://scontent.fdvo1-1.fna.fbcdn.net/v/t39.30808-6/469342048_122174837888099911_4688850220380111927_n.jpg?stp=cp6_dst-jpg_tt6&_nc_cat=109&ccb=1-7&_nc_sid=86c6b0&_nc_ohc=Uh1gcyMF1tcQ7kNvwHfwAzL&_nc_oc=AdlLiJbfLVVB1JUNoLpGlnDM1FVivEu23JHS0KhRJAAFIXwYClG3o1Cwgc7RFVsWWDA&_nc_zt=23&_nc_ht=scontent.fdvo1-1.fna&_nc_gid=xZ-RMpBf3gMDBwlTRazOjA&oh=00_Aflvl-RWF_Fu89wWgWsYulC2NB0io6klzGIOUkGUGONLRA&oe=6945D139') no-repeat center center;
  background-size: cover;
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(13, 71, 161, 0.7); /* overlay for readability */
  z-index: 1;
}

.hero h2,
.hero p {
  position: relative; /* keep text above overlay */
  z-index: 2;
}

.hero h2 {
  font-size: 2rem;
  margin-bottom: 15px;
}

.hero p {
  font-size: 1.1rem;
  max-width: 700px;
  margin: auto;
}

/* =========================
   SECTIONS
   ========================= */
.section {
  padding: 60px 0;
}

.section.light {
  background-color: var(--blue-light);
}

.section h3 {
  color: var(--blue-secondary);
  margin-bottom: 15px;
  font-size: 1.6rem;
}

.section p {
  margin-bottom: 15px;
}

/* =========================
   DOCUMENT LIST
   ========================= */
.document-list {
  list-style: square;
  padding-left: 20px;
  margin-bottom: 20px;
}

.document-list li {
  margin-bottom: 8px;
}

/* =========================
   BUTTONS
   ========================= */
.btn {
  display: inline-block;
  background-color: var(--blue-accent);
  color: var(--white);
  padding: 10px 22px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
}

.btn:hover {
  background-color: var(--blue-secondary);
}

/* =========================
   FOOTER
   ========================= */
.footer {
  background-color: var(--blue-primary);
  color: var(--white);
  text-align: center;
  padding: 20px 10px;
  font-size: 0.9rem;
}

.social-links {
  margin-top: 10px;
}

.social-links a {
  color: var(--white);
  margin: 0 8px;
  font-size: 1.2rem;
  text-decoration: none;
  transition: color 0.3s;
}

.social-links a:hover {
  color: var(--blue-accent);
}

/* =========================
   RESPONSIVE (MOBILE)
   ========================= */
@media (max-width: 768px) {
  .header-flex {
    flex-direction: column;
    text-align: center;
  }

  .main-nav ul {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero h2 {
    font-size: 1.6rem;
  }
}