/* =============================
   GLOBAL FONT (ENSURE ACTIVE)
============================= */
body {
    font-family: 'Montserrat', 'Roboto', sans-serif;
    padding-top: 84px; /* offset for fixed navbar */
}

/* =============================
   NAVBAR (FIXED)
============================= */
.navbar {
    width: 100%;
    background: #ffffff;

    position: fixed;
    top: 0;
    left: 0;

    z-index: 1000;
    border-bottom: 1px solid #eaeaea;

    transition: box-shadow 0.3s ease;
}

/* Shadow on scroll */
.navbar.scrolled {
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

/* Container */
.nav-container {
    max-width: 1250px;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
}

/* Logo */
.nav-logo img {
    height: 48px;
}

/* =============================
   DESKTOP NAV
============================= */
.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
    font-size: 15px;
    font-weight: 500;
}

.nav-link {
    position: relative;
    padding: 6px 0;
    color: #111;
    text-decoration: none;
}

/* Hover underline */
.nav-link::after {
    content: "";
    position: absolute;
    width: 0%;
    height: 2px;
    bottom: -4px;
    left: 0;
    background: #0b3d2e;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Active link */
.nav-link.active::after {
    width: 100%;
}

/* Contact button */
.contact-btn {
    padding: 10px 20px;
    background: #0b3d2e;
    color: #fff !important;
    border-radius: 6px;
    font-weight: 600;
}

.contact-btn:hover {
    background: #145c46;
}

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

.hamburger span {
    width: 26px;
    height: 3px;
    background: #111;
    border-radius: 3px;
}

/* Mobile dropdown */
.mobile-menu {
    display: none;
    flex-direction: column;
    background: #ffffff;
    padding: 20px;
    border-top: 1px solid #eee;
}

.mobile-menu a {
    padding: 12px 0;
    font-size: 16px;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
    color: #111;
}

.mobile-menu .contact-btn {
    margin-top: 15px;
    display: inline-block;
}

/* =============================
   RESPONSIVE
============================= */
@media (max-width: 900px) {

    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }
}