/* ===========================
   Modern Header Styles
   =========================== */

.header {
    background: var(--bg-white);
    box-shadow: 0 2px 12px rgba(0, 61, 109, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 61, 109, 0.12);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    gap: 40px;
}

/* Logo */
.logo {
    flex-shrink: 0;
}

.logo a {
    display: block;
}

.logo img {
    height: 50px;
    width: auto;
}

/* Navigation */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 48px;
}

.nav-menu ul {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-menu ul li {
    position: relative;
}

.nav-menu ul li a {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 8px 4px;
    position: relative;
    transition: var(--transition);
}

.nav-menu ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-blue);
    transition: width 0.3s ease;
}

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

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

/* CTA Button in Header */
.header .btn-primary {
    padding: 12px 28px;
    font-size: 0.9375rem;
    white-space: nowrap;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    cursor: pointer;
    background: transparent;
    border: none;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--primary-blue);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===========================
   Responsive Header
   =========================== */

@media (max-width: 968px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 90px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, box-shadow 0.3s ease;
        box-shadow: none;
    }

    .nav-menu.active {
        max-height: 500px;
        box-shadow: 0 8px 24px rgba(0, 61, 109, 0.12);
    }

    .nav-menu ul {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        width: 100%;
        padding: 0;
    }

    .nav-menu ul li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu ul li:last-child {
        border-bottom: none;
    }

    .nav-menu ul li a {
        display: block;
        padding: 18px 24px;
        font-size: 1rem;
    }

    .nav-menu ul li a::after {
        display: none;
    }

    .nav-menu .btn-primary {
        margin: 24px;
        width: calc(100% - 48px);
        justify-content: center;
    }

    .header-content {
        padding: 16px 0;
    }

    .logo img {
        height: 42px;
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: 14px 0;
    }

    .logo img {
        height: 38px;
    }

    .nav-menu {
        top: 78px;
    }
}