.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding-top: 1rem;
    padding-bottom: 1rem;
}

@media (min-width: 768px) {
    .header {
        padding: 1.75rem 3rem;
    }
    .header.scrolled {
        padding-top: 1.25rem;
        padding-bottom: 1.25rem;
    }
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .logo { gap: 0.8rem; }
}

.logo-flag {
    width: 30px;
    height: 18px;
    flex-shrink: 0;
    border-radius: 2px;
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0,0,0,0.4);
    position: relative;
    background: var(--blue-flag);
}

@media (min-width: 768px) {
    .logo-flag {
        width: 36px;
        height: 21px;
    }
}

.logo-flag-img {
    width: 32px;
    height: auto;
    flex-shrink: 0;
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

@media (min-width: 768px) {
    .logo-flag-img {
        width: 38px;
    }
}

.flag-stripes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.flag-stripe {
    flex: 1;
    width: 100%;
}

.flag-stripe.red { background: var(--red-flag); }
.flag-stripe.white { background: var(--white); }

.flag-canton {
    position: absolute;
    top: 0;
    left: 0;
    width: 40%;
    height: 53.85%;
    background: var(--blue-flag);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.flag-stars {
    color: white;
    font-size: 3px;
    line-height: 1.2;
    letter-spacing: 0.5px;
    text-align: center;
}

@media (min-width: 768px) {
    .flag-stars { font-size: 4px; }
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.logo-name {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--white);
    line-height: 1;
}

@media (min-width: 768px) {
    .logo-name {
        font-size: 1.25rem;
        letter-spacing: 0.1em;
    }
}

.logo-inc {
    font-size: 0.45rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--gray-mid);
}

@media (min-width: 768px) {
    .logo-inc {
        font-size: 0.5rem;
        letter-spacing: 0.3em;
    }
}

.nav-wrap {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav {
    display: none;
}

@media (min-width: 1024px) {
    .nav {
        display: flex;
        align-items: center;
        gap: 0;
    }
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.75rem 1rem;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--silver);
    text-decoration: none;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
}

.nav-link svg {
    width: 10px;
    height: 10px;
    transition: transform 0.3s ease;
}

.nav-item:hover .nav-link svg {
    transform: rotate(180deg);
}

.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 280px;
    background: rgba(10, 15, 20, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--steel);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    padding: 0.5rem 0;
}

.nav-item:nth-last-child(-n+2) .nav-dropdown {
    left: auto;
    right: 0;
}

.nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-link {
    display: block;
    padding: 0.85rem 1.5rem;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--gray-light);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 2px solid transparent;
}

.nav-dropdown-link:hover {
    color: var(--white);
    background: rgba(255,255,255,0.03);
    border-left-color: var(--silver);
}

.nav-dropdown-link span {
    display: block;
    font-size: 0.55rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--gray);
    margin-top: 0.25rem;
    text-transform: none;
}

.header-contact {
    text-align: right;
    display: none;
}

@media (min-width: 500px) {
    .header-contact { display: block; }
}

@media (min-width: 1024px) {
    .header-contact { display: none; }
}

@media (min-width: 1200px) {
    .header-contact { display: block; }
}

.contact-label {
    font-size: 0.5rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 3px;
}

.contact-email {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--white);
    text-decoration: none;
    letter-spacing: 0.01em;
    transition: color 0.3s ease;
}

.contact-email:hover {
    color: var(--silver);
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 110;
}

@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--white);
    transition: all 0.3s ease;
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4.5px, 4.5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4.5px, -4.5px);
}

.mobile-nav {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.98);
    z-index: 99;
    display: flex;
    flex-direction: column;
    padding: 6rem 2rem 2rem;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

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

.mobile-nav-item {
    border-bottom: 1px solid var(--steel);
}

.mobile-nav-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white);
    text-decoration: none;
}

.mobile-nav-link svg {
    width: 14px;
    height: 14px;
    color: var(--gray);
    transition: transform 0.3s ease;
}

.mobile-nav-item.expanded .mobile-nav-link svg {
    transform: rotate(180deg);
}

.mobile-dropdown {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.mobile-nav-item.expanded .mobile-dropdown {
    max-height: 500px;
}

.mobile-dropdown-link {
    display: block;
    padding: 0.85rem 0 0.85rem 1rem;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--gray-light);
    text-decoration: none;
    border-left: 1px solid var(--steel);
    margin-left: 0.5rem;
}

.mobile-dropdown-link:hover {
    color: var(--white);
    border-left-color: var(--silver);
}

.mobile-nav-contact {
    margin-top: auto;
    padding-top: 2rem;
    text-align: center;
}

.mobile-nav-contact .contact-label {
    margin-bottom: 0.5rem;
}

.mobile-nav-contact .contact-email {
    font-size: 0.9rem;
}