@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100..900&display=swap');

/* ===== Reset & Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; font-size: 16px; color: #222; }

/* ===== Header ===== */
header {
  background: #2c3e50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 60px;
}

/* ===== Logo ===== */
.logo { display: flex; align-items: center; }
.logo img {
  height: 40px;
  margin-right: 10px;
  filter: invert(52%) sepia(95%) saturate(5000%) hue-rotate(6deg) brightness(100%) contrast(100%);
}
.logo span { font-size: 24px; color: #fff; }

/* ===== Hamburger Menu ===== */
.menu-toggle { display: none; }
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 24px;
  height: 24px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  height: 3px;
  background: #ecf0f1;
  border-radius: 2px;
}

/* ===== Navigation ===== */
nav { display: flex; }
nav ul { display: flex; list-style: none; font-size: 18px; }
nav li { position: relative; margin-left: 20px; }
nav a { color: #ecf0f1; text-decoration: none; padding: 10px 15px; display: block; }
nav a:hover { background: rgba(255,255,255,0.1); }

/* Products dropdown arrow */
nav ul > li:nth-child(2) > a::after { content: " \25BE"; font-size: 0.8em; }
nav li ul a::after { content: none !important; }

/* Dropdown menu */
nav li ul {
  display: none;
  position: absolute;
  top: 100%; left: 0;
  background: #34495e;
  list-style: none;
  border-radius: 8px;
  overflow: hidden;
  min-width: 200px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.16);
}
nav li ul li a { color: #ecf0f1 !important; }
nav li:hover > ul { display: block; }

/* ===== Responsive Navigation ===== */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  nav {
    position: absolute;
    top: 60px; left: 0;
    width: 100%;
    background: #2c3e50;
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
  }
  .menu-toggle:checked ~ nav { max-height: 400px; }
  nav ul { flex-direction: column; }
  nav li { width: 100%; margin-left: 0; }
  nav li ul { position: static; box-shadow: none; border-radius: 0; }
}

/* ===== Footer ===== */
footer {
  background: #ecf0f1;
  text-align: center;
  padding: 10px 0;
  font-size: 14px;
  color: #666;
  margin-top: 20px;
}