/* =====================================================
   GLOBAL RESET & BASE
===================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Arial, sans-serif;
}

body {
  margin: 0;
  padding: 0;
  background: #f4f6fb;
  color: #222;
  line-height: 1.6;
}

/* =====================================================
   GLASSMORPHISM NAVBAR
===================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;

  width: 100%;
  padding: 15px 30px;

  display: flex;
  justify-content: space-between;
  align-items: center;

  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);

  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

/* Logo */
.logo {
  color: #ffffff;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1px;
}

/* =====================================================
   NAV LINKS
===================================================== */
.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
}

.nav-links li {
  position: relative;
  color: #ffffff;
  cursor: pointer;
}

.nav-links a,
.dropdown-toggle {
  color: #ffffff;
  text-decoration: none;
  font-weight: 500;
  display: block;
}

/* =====================================================
   DROPDOWN (BASE – NO SPACE TAKING)
===================================================== */
.has-dropdown {
  position: relative;
}

/* Dropdown hidden */
.has-dropdown .dropdown {
  position: absolute;
  top: 100%;
  left: 0;

  background: #ffffff;
  min-width: 180px;
  border-radius: 10px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.15);

  list-style: none;
  padding: 8px 0;
  margin-top: 8px;

  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);

  transition: all 0.25s ease;
  z-index: 200;
}

/* Dropdown items */
.has-dropdown .dropdown li {
  padding: 10px 14px;
  white-space: nowrap;
  color: #222;
}

.has-dropdown .dropdown li:hover {
  background: #f1f3f9;
}

/* ===============================
   DESKTOP DROPDOWN (HOVER)
================================ */
@media (min-width: 769px) {
  .has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

/* =====================================================
   HAMBURGER MENU
===================================================== */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.menu-toggle span {
  width: 26px;
  height: 3px;
  background: #ffffff;
  border-radius: 2px;
}

/* =====================================================
   MAIN HERO SECTION
===================================================== */
.main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 60px 40px;
  align-items: center;
}

.main h1 {
  font-size: 42px;
  color: #1e3a8a;
}

.main p {
  margin: 15px 0;
  color: #555;
}

.main button {
  padding: 12px 22px;
  border: none;
  border-radius: 8px;
  background: #1e3a8a;
  color: #ffffff;
  cursor: pointer;
  font-weight: 600;
}

.main video {
  width: 100%;
  border-radius: 18px;
}

/* =====================================================
   CONTENT SECTIONS
===================================================== */
.notifications,
.chatbot {
  padding: 50px 40px;
}

.notifications h2,
.chatbot h2 {
  margin-bottom: 15px;
  color: #1e3a8a;
}

.notifications ul,
#chatbox {
  background: #ffffff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

#chatbox {
  height: 200px;
  overflow-y: auto;
  margin-bottom: 10px;
}

.chatbot input {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
  margin-bottom: 10px;
}

.chatbot button {
  padding: 10px 20px;
  background: #1e3a8a;
  border: none;
  color: #ffffff;
  border-radius: 8px;
}

/* =====================================================
   POPUP
===================================================== */
.popup {
  display: flex;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  justify-content: center;
  align-items: center;
  z-index: 300;
}

.popup-content {
  background: #ffffff;
  padding: 25px;
  width: 320px;
  text-align: center;
  border-radius: 14px;
  animation: popScale 0.4s ease;
}

.popup-content button {
  margin-top: 15px;
  padding: 8px 18px;
  border: none;
  background: #1e3a8a;
  color: #ffffff;
  border-radius: 6px;
  cursor: pointer;
}

@keyframes popScale {
  from { transform: scale(0.7); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

/* =====================================================
   SCROLL REVEAL
===================================================== */
.reveal {
  opacity: 0;
  transform: translateY(60px);
  transition: all 0.9s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* =====================================================
   MOBILE RESPONSIVE NAVBAR
===================================================== */
@media (max-width: 768px) {

  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;

    flex-direction: column;
    gap: 0;

    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);

    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }

  .nav-links.active {
    max-height: 500px;
  }

  .nav-links li {
    padding: 12px 20px;
  }

  /* Mobile dropdown overlay (no space) */
  .has-dropdown .dropdown {
    position: absolute;
    left: 15px;
    right: 15px;
    top: calc(100% + 8px);
  }

  .has-dropdown.active .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .main {
    grid-template-columns: 1fr;
    padding: 40px 20px;
  }

  .notifications,
  .chatbot {
    padding: 30px 20px;
  }
}