/* ============================================
   BRSI — Navigation Styles
   ============================================ */

/* ── Top Utility Bar ── */
.top-bar {
    background: var(--dark);
    padding: 8px 0;
    font-size: 13px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    transition: transform 0.3s ease;
}

.top-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.top-bar-left,
.top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.top-bar-link {
    color: rgba(255,255,255,0.6);
    font-family: var(--body-font);
    font-size: 13px;
    font-weight: 400;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--smooth);
}

.top-bar-link:hover {
    color: var(--main-color);
}

.top-bar-link i {
    font-size: 12px;
    color: var(--main-color);
}

.top-bar-cta {
    background: rgba(198,154,89,0.15);
    padding: 4px 14px;
    border-radius: 20px;
    color: var(--main-color);
    font-weight: 500;
}

.top-bar-cta:hover {
    background: var(--main-color);
    color: var(--white);
}

/* ── Main Header ── */
.website-header {
    position: fixed;
    top: 37px;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
}

.website-header .navbar {
    padding: 16px 0;
    transition: padding 0.4s ease;
}

.website-header .navbar-brand {
    padding: 0;
    margin-right: 30px;
}

.header-logo {
    max-height: 60px;
    transition: max-height 0.4s ease;
}

/* ── Scrolled State ── */
.website-header.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 30px rgba(0,0,0,0.08);
    top: 0;
}

.website-header.scrolled .navbar {
    padding: 10px 0;
}

.website-header.scrolled .header-logo {
    max-height: 48px;
}

.website-header.scrolled .navbar-nav .nav-link {
    color: var(--black);
}

.website-header.scrolled .navbar-nav .nav-link:hover,
.website-header.scrolled .navbar-nav .nav-link.active-section {
    color: var(--main-color);
}

/* ── Desktop Navigation Links ── */
.navbar-nav {
    gap: 2px;
    align-items: center;
}

.navbar-nav .nav-link {
    font-family: var(--body-font);
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    padding: 8px 14px;
    border-radius: 6px;
    transition: var(--smooth);
    position: relative;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 14px;
    right: 14px;
    height: 2px;
    background: var(--main-color);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s ease;
    border-radius: 1px;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active-section {
    color: var(--main-color);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active-section::after {
    transform: scaleX(1);
}

/* ── Hamburger Menu (Custom) ── */
.navbar-toggler {
    border: none;
    padding: 8px;
    background: transparent;
    width: 40px;
    height: 40px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    z-index: 1052;
}

.navbar-toggler:focus {
    box-shadow: none;
    outline: none;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--smooth);
}

.website-header.scrolled .hamburger-line {
    background: var(--black);
}

.navbar-toggler:not(.collapsed) .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggler:not(.collapsed) .hamburger-line:nth-child(2) {
    opacity: 0;
}

.navbar-toggler:not(.collapsed) .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Mobile Navigation (Below 992px) ── */
@media (max-width: 991.98px) {
    .top-bar {
        display: none;
    }

    .website-header {
        top: 0;
        background: rgba(21, 21, 21, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }

    .website-header .navbar {
        padding: 12px 0;
    }

    .header-logo {
        max-height: 45px;
    }

    .navbar-collapse {
        display: none !important;
    }

    .navbar-collapse.collapsing {
        display: block !important;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(21, 21, 21, 0.98);
        z-index: 1050;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .navbar-collapse.show {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(21, 21, 21, 0.98);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        padding: 100px 30px 40px;
        z-index: 1050;
        overflow-y: auto;
        display: flex !important;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        opacity: 1;
    }

    .navbar-nav {
        text-align: center;
        width: 100%;
        gap: 0;
        flex-direction: column;
    }

    .navbar-nav .nav-item {
        width: 100%;
    }

    .navbar-nav .nav-link {
        font-size: 22px;
        font-weight: 600;
        padding: 14px 20px;
        color: rgba(255,255,255,0.9);
        border-bottom: 1px solid rgba(255,255,255,0.06);
        border-radius: 0;
    }

    .navbar-nav .nav-link::after {
        display: none;
    }

    .navbar-nav .nav-link:hover {
        color: var(--main-color);
        background: rgba(198,154,89,0.08);
    }

    .website-header.scrolled {
        background: rgba(21, 21, 21, 0.98);
    }

    .website-header.scrolled .navbar-nav .nav-link {
        color: rgba(255,255,255,0.9);
    }

    .website-header.scrolled .navbar-nav .nav-link:hover {
        color: var(--main-color);
    }

    .website-header.scrolled .hamburger-line {
        background: var(--white);
    }
}