/* ==================================================
   GLOBAL
   ================================================== */

body {
  font-family: 'Roboto', Arial, sans-serif;
  margin: 0;
  padding-top: 90px;
  line-height: 1.6;
  color: #333;
  background: #f4f4f4;
}

a {
  text-decoration: none;
  color: #2e7d32;
}

/* ==================================================
   NAVIGATION
   ================================================== */

nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #2e7d32;
  padding: 20px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  box-sizing: border-box;
  min-height: 90px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo {
  height: 45px;
}

.nav-brand h3 {
  margin: 0;
  font-size: 15px;
  color: #fff;
  line-height: 1.2;
}

/* NAV LINKS (DESKTOP) */
.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: #fff;
  font-weight: bold;
  white-space: nowrap;
}

.nav-links a:hover {
  text-decoration: underline;
}

/* HAMBURGER */
.hamburger {
  display: none;
  font-size: 28px;
  cursor: pointer;
  color: #fff;
}

/* MOBILE MENU */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 90px;
    left: 0;
    width: 100%;
    background: #2e7d32;
    flex-direction: column;
    align-items: center;
    display: none;
    padding: 20px 0;
  }

  .nav-links.show {
    display: flex;
  }

  .nav-links a {
    padding: 12px 0;
    width: 100%;
    text-align: center;
  }
}

/* ==================================================
   HEADER
   ================================================== */

header {
  background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)),
    url('https://www.nkuringointegratedhealthcare.org/assets/images/gorilla.png')
    no-repeat center center;
  background-size: cover;
  height: 70vh;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  text-align: center;
}

header h1 {
  font-size: 3rem;
  text-shadow: 2px 2px 6px #000;
}

header p {
  font-size: 1.2rem;
  max-width: 600px;
  margin: auto;
  text-shadow: 1px 1px 4px #000;
}

/* ==================================================
   SECTIONS & CONTENT
   ================================================== */

section {
  padding: 60px 20px;
}

.container {
  max-width: 1200px;
  margin: auto;
  background: #add8e6;
}

h2 {
  color: #2e7d32;
  text-align: center;
  margin-bottom: 25px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.service {
  background: #f0f4f8;
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* ==================================================
   DIRECTORS
   ================================================== */

.director-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.director-card img {
  width: 40%;
  max-width: 200px;
  border-radius: 12px;
}

@media (max-width: 768px) {
  .director-card {
    flex-direction: column;
    text-align: center;
  }

  .director-card img {
    width: 100%;
  }
}

/* ==================================================
   FOOTER
   ================================================== */

.site-footer {
  background: #2a7f62;
  color: #fff;
  padding: 40px 20px 20px;
  font-size: 14px;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
}

.site-footer a {
  color: #fff !important;
}

.site-footer a:hover {
  color: #e0e0e0 !important;
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 15px;
  text-align: center;
}
/* ===== HAMBURGER MENU FOR MOBILE ===== */
.hamburger {
  display: none;           /* hidden on desktop */
  font-size: 28px;         /* size of three lines */
  cursor: pointer;
  color: #fff;
  user-select: none;
}

/* MOBILE STYLES */
@media (max-width: 768px) {
  /* Show hamburger */
  .hamburger {
    display: block;
  }

  /* Hide nav links by default */
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 70px;             /* adjust according to navbar height */
    left: 0;
    width: 100%;
    background-color: #2e7d32;
    text-align: center;
    padding: 15px 0;
    z-index: 999;
  }

  /* Show nav links when active */
  .nav-links.show {
    display: flex;
  }

  /* Nav links style on mobile */
  .nav-links a {
    padding: 12px 0;
    width: 100%;
    display: block;
    color: #fff;
    font-weight: bold;
  }

  /* Overlay behind menu */
  .nav-overlay {
    display: none;
    position: fixed;
    top: 70px;             /* same as menu top */
    left: 0;
    width: 100%;
    height: calc(100% - 70px);
    background: rgba(0,0,0,0.4);
    z-index: 900;
  }

  /* Show overlay when active */
  .nav-overlay.show {
    display: block;
  }
}