:root {
    --nav-bg: #FBF9F5;
    --nav-navy: #173042;
    --nav-brown: #8C502E;
    --nav-brown-hover: #754023;
    --nav-border: #ECE7DF;
    --nav-text: #37434F;
    --header-height: 72px;
    --transition: all 0.25s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, sans-serif;
    background-color: #FFFFFF;
    color: #475461;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

/* 1. CONTAINER NAVBAR */
.site-header-container {
    width: 100%;
    max-width: 1380px;
    margin: 0 auto;
    padding: 0 16px;
    box-sizing: border-box;
}

/* 2. NAVBAR WRAPPER */
.site-header {
    background-color: var(--nav-bg);
    border-bottom: 1px solid var(--nav-border);
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    width: 100%;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: 20px;
    position: relative;
}

/* 3. LOGO BRAND */
.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--nav-navy);
    flex-shrink: 0;
    z-index: 10001;
}

.brand-logo svg {
    color: var(--nav-brown);
    width: 30px;
    height: 30px;
    flex-shrink: 0;
}

.brand-title {
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.04em;
    line-height: 1.15;
    color: var(--nav-navy);
}

.brand-sub {
    font-size: 8px;
    color: var(--nav-brown);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 700;
    display: block;
}

/* 4. DAFTAR MENU NAVIGASI DENGAN EFEK GARIS BAWAH */
.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 28px;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    text-decoration: none;
    color: var(--nav-text);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 0;
    display: inline-block;
    transition: color 0.25s ease;
    position: relative;
}

/* Garis bawah animasi saat hover */
.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0%;
    height: 2px;
    background-color: var(--nav-brown);
    border-radius: 2px;
    transform: translateX(-50%);
    transition: width 0.25s ease;
}

.nav-menu a:hover {
    color: var(--nav-brown);
}

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

/* Active state */
.nav-menu a.active {
    color: var(--nav-navy);
    font-weight: 700;
}

.nav-menu a.active::after {
    width: 100%;
    background-color: var(--nav-brown);
}

/* 5. TOMBOL CTA REQUEST A QUOTE DI KANAN */
.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
    z-index: 10001;
}

.btn-header-quote {
    background-color: var(--nav-brown);
    color: #ffffff;
    text-decoration: none;
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 10px 18px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
    white-space: nowrap;
    border: 1px solid var(--nav-brown);
    box-shadow: 0 2px 6px rgba(140, 80, 46, 0.18);
}

.btn-header-quote:hover {
    background-color: var(--nav-brown-hover);
    border-color: var(--nav-brown-hover);
    transform: translateY(-1px);
}

/* 6. TOMBOL HAMBURGER MOBILE */
.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 10002;
    position: relative;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.hamburger-btn span {
    display: block;
    width: 24px;
    height: 2.5px;
    background-color: var(--nav-navy);
    border-radius: 2px;
    transition: var(--transition);
    pointer-events: none;
}

.hamburger-btn.active span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

.hamburger-btn.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.hamburger-btn.active span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

/* 7. RESPONSIVE MOBILE DRAWER */
@media (max-width: 960px) {
    .site-header-container {
        padding: 0 14px;
    }

    .hamburger-btn {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        width: 100%;
        background-color: #FFFFFF;
        flex-direction: column;
        padding: 20px 24px 30px;
        gap: 0;
        border-bottom: 2px solid var(--nav-border);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
        z-index: 10000;
    }

    .nav-menu.open {
        display: flex !important;
    }

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

    .nav-menu a {
        font-size: 16px;
        display: block;
        padding: 14px 0;
        border-bottom: 1px solid #F5F1E8;
        width: 100%;
    }

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

    .header-actions .btn-header-quote {
        display: none;
    }
}