@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

header {
  font-family: 'Inter', Arial, Helvetica, sans-serif;
}

.main-nav {
  background: #fff;
  box-shadow: 0 2px 16px rgba(0,0,0,0.04);
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100vw;
}

.nav-container {
  max-width: 1300px;
  width: 90vw;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 68px;
}

.nav-logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary-color, #f14646);
  text-decoration: none;
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links li a {
  text-decoration: none;
  color: #222;
  font-weight: 500;
  font-size: 1.08em;
  transition: color 0.17s;
  padding: 4px 0;
}
.nav-links li a:hover {
  color: var(--primary-color, #f14646);
}

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
}

/* MOBILE NAV */
.nav-mobile-menu {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  background: #fff;
  z-index: 2000;
  display: none;
  flex-direction: column;
  animation: mobileNavShow 0.32s cubic-bezier(.4,2,.3,1);
}
.nav-mobile-menu.open {
  display: flex;
}
@keyframes mobileNavShow {
  from { opacity: 0; transform: translateY(-30px);}
  to { opacity: 1; transform: translateY(0);}
}
.nav-mobile-close {
  background: none;
  border: none;
  position: absolute;
  top: 18px;
  right: 26px;
  cursor: pointer;
}
.nav-mobile-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  flex: 1;
  height: 100%;
  gap: 0;
}
.nav-mobile-menu ul li {
  margin: 18px 0;
}
.nav-mobile-menu ul li a {
  font-size: 2rem;
  font-weight: 600;
  color: #222;
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: color 0.17s;
}
.nav-mobile-menu ul li a:hover {
  color: var(--primary-color, #f14646);
}

/* Responsive */
@media (max-width: 900px) {
  .nav-links {
    display: none;
  }
  .nav-hamburger {
    display: block;
  }
  .nav-container {
    padding: 0 10px;
    height: 56px;
  }
}

body.nav-open {
  overflow: hidden;
}