:root {
    --header-height: 80px;
}

/* Shared navigation styles */
body.nav-open {
    overflow: hidden;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    padding: 20px 0;
    transition: all 0.3s ease;
}

header .container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo br {
    display: none;
}

.logo img {
    height: 60px;
    margin-right: 15px;
}

.logo h1,
.logo-title {
    font-size: 1.8rem;
    color: #0055a4;
    font-weight: 700;
}

.logo span,
.logo-title span {
    color: #ff6b00;
}

nav {
    margin-left: auto;
}

nav ul {
    display: flex;
    list-style: none;
    align-items: center;
}

nav ul li {
    margin-left: 30px;
}

nav ul li:first-child {
    margin-left: 0;
}

nav ul li a {
    text-decoration: none;
    color: #212529;
    font-weight: 500;
    font-size: 1.1rem;
    transition: color 0.3s ease;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    background: #ff6b00;
    bottom: -5px;
    left: 0;
    transition: width 0.3s ease;
}

nav ul li a:hover {
    color: #0055a4;
}

nav ul li a:hover::after {
    width: 100%;
}

nav ul li a.active {
    color: #0055a4;
}

nav ul li a.active::after {
    width: 100%;
}

.phone-link {
    display: flex;
    align-items: center;
    color: #0055a4;
    font-weight: 600;
    font-size: 1.2rem;
    text-decoration: none;
    margin-left: 30px;
}

.phone-link i {
    margin-right: 10px;
    color: #ff6b00;
}

.mobile-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    padding: 6px;
    cursor: pointer;
    color: #0055a4;
    margin-left: 20px;
}

.mobile-toggle:focus-visible {
    outline: 3px solid #ff6b00;
    outline-offset: 4px;
}

.mobile-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background: currentColor;
    border-radius: 999px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.mobile-toggle span + span {
    margin-top: 5px;
}

.mobile-toggle.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.mobile-toggle.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 900;
}

.nav-backdrop.active {
    opacity: 1;
    pointer-events: all;
}

body[data-nav-root] main {
    padding-top: calc(var(--header-height, 80px) + 40px);
}

@media (max-width: 768px) {
    header {
        padding: 10px 0;
    }

    header .container {
        padding: 0 20px;
    }

    .phone-link {
        display: none;
    }

    .mobile-toggle {
        display: flex;
        margin-left: auto;
    }

    .logo img {
        height: 42px;
    }

    .logo h1,
    .logo-title {
        font-size: 1.2rem;
    }

    nav {
        position: fixed;
        top: 0;
        right: 0;
        width: min(320px, 80vw);
        height: 100vh;
        background: #ffffff;
        padding: calc(var(--header-height, 80px) + 30px) 30px 40px;
        transform: translateX(100%);
        transition: transform 0.35s ease;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.12);
        z-index: 1100;
        margin-left: 0;
        overflow-y: auto;
    }

    nav.active {
        transform: translateX(0);
    }

    nav ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    nav ul li {
        margin: 0;
        width: 100%;
    }

    nav ul li a {
        display: block;
        width: 100%;
        padding: 12px 0;
        font-size: 1rem;
    }

    body[data-nav-root] main {
        padding-top: calc(var(--header-height, 80px) + 30px);
    }
}

@media (max-width: 576px) {
    header {
        padding: 8px 0;
    }

    .logo img {
        height: 35px;
    }

    .logo h1,
    .logo-title {
        font-size: 1rem;
    }

    nav ul li a {
        font-size: 0.95rem;
    }

    .mobile-toggle {
        padding: 4px;
    }

    body[data-nav-root] main {
        padding-top: calc(var(--header-height, 80px) + 28px);
    }
}