/* ================================================
   DDS Dental Website - Header & Navigation
   ================================================
   Header with navigation and mobile menu
   ================================================ */

.site-header {
    z-index: 1000;
    padding: 10px 30px;
    background-color: var(--color-mid-blue);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 70px;
    flex-wrap: wrap;
    gap: 20px;
}

.site-logo img {
    max-width: 120px;
    width: 120px;
}

.main-navigation {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-menu li a {
    color: rgba(255, 255, 255, 0.85);
    font-weight: var(--font-weight-medium);
    padding: 10px 0;
    position: relative;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: var(--bg-white);
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--bg-white);
    transition: var(--transition);
}

.nav-menu li a:hover::after {
    width: 100%;
}

.header-cta {
    color: var(--bg-white);
    border: 2px solid var(--bg-white);
    padding: 14px 32px;
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-semibold);
}

.header-cta:hover {
    color: var(--color-mid-blue);
    background-color: var(--bg-white);
}

.menu-toggle {
    display: none;
    background: var(--bg-white);
    border: none;
    padding: 10px;
    cursor: pointer;
    border-radius: 4px;
}

.menu-toggle svg {
    width: 20px;
    height: 20px;
    fill: var(--color-mid-blue);
}

/* ================================================
   Mobile Menu Overlay
   ================================================ */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(67, 76, 89, 0.95);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 20px;
    position: relative;
}

.menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.menu-close svg {
    width: 28px;
    height: 28px;
    fill: var(--bg-white);
    transition: var(--transition);
}

.menu-close:hover svg {
    fill: var(--color-havelock-blue);
}

.mobile-nav {
    text-align: center;
}

.mobile-nav-menu {
    list-style: none;
    padding: 0;
    margin: 0 0 40px 0;
}

.mobile-nav-menu li {
    margin-bottom: 20px;
}

.mobile-nav-menu li a {
    color: var(--bg-white);
    font-size: 24px;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    padding: 10px 20px;
}

.mobile-nav-menu li a:hover,
.mobile-nav-menu li a.active {
    color: var(--color-havelock-blue);
}

.mobile-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--color-mid-blue);
    background-color: var(--bg-white);
    padding: 16px 32px;
    border-radius: var(--border-radius);
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    transition: var(--transition);
}

.mobile-cta:hover {
    background-color: var(--color-havelock-blue);
    color: var(--bg-white);
}

.mobile-cta i {
    font-size: 16px;
}

/* ================================================
   RESPONSIVE STYLES
   ================================================ */

/* Mobile */
@media (max-width: 768px) {
    .site-header {
        padding: 10px 0;
    }

    .main-navigation .nav-menu {
        display: none;
    }

    .header-cta {
        display: none;
    }

    .menu-toggle {
        display: block;
    }
}