/* ============================================
   NAVBAR.CSS
============================================ */

.header {
    padding: 0 40px;
    width: 100vw;
    background-color: rgba(5, 5, 8, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    height: 72px;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.header.scrolled {
    background-color: rgba(5, 5, 8, 0.97);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.container {
    margin: auto;
    height: 100%;
}

.row {
    display: flex;
    flex-wrap: wrap;
    height: 100%;
}

.align-items-center {
    align-items: center;
}

.justify-content-between {
    justify-content: space-between;
}

/* ---- Logo ---- */
.logo {
    height: 125px;
    width: auto;
    object-fit: contain;
}

/* ---- Nav links ---- */
.header .nav ul {
    display: flex;
    gap: 8px;
    align-items: center;
}

.header .nav ul li a {
    text-decoration: none;
    color: #7070a0;
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 6px;
    transition: color 0.2s ease, background-color 0.2s ease;
    letter-spacing: 0.2px;
}

.header .nav ul li a:hover {
    color: #e8e8f0;
    background-color: rgba(255, 255, 255, 0.06);
}

.header .nav ul li a.active {
    color: #64ffda;
    background-color: rgba(100, 255, 218, 0.08);
}

/* Last nav item styled as CTA button */
.header .nav ul li:last-child a {
    color: #64ffda;
    border: 1.5px solid #64ffda;
    padding: 7px 18px;
    border-radius: 6px;
    font-weight: 600;
    background-color: transparent;
    transition: background-color 0.2s, color 0.2s, transform 0.2s;
}

.header .nav ul li:last-child a:hover {
    background-color: #64ffda;
    color: #000;
    transform: translateY(-1px);
}

/* ---- Hamburger ---- */
.nav-toggler {
    display: none;
    height: 38px;
    width: 38px;
    cursor: pointer;
    border: none;
    background-color: transparent;
    border-radius: 6px;
    transition: background-color 0.2s;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 6px;
}

.nav-toggler:hover {
    background-color: rgba(255, 255, 255, 0.06);
}

.nav-toggler span {
    background-color: #e8e8f0;
    height: 2px;
    width: 20px;
    display: block;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav-toggler span::before,
.nav-toggler span::after {
    content: none;
}

/* Hamburger open state — using sibling spans via JS adding .open class */
.nav-toggler.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggler.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.nav-toggler.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---- Mobile nav ---- */
@media (max-width: 991px) {
    .header {
        padding: 0 20px;
    }

    .nav-toggler {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background-color: rgba(5, 5, 8, 0.97);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.35s ease;
        z-index: 999;
    }

    .nav.open {
        max-height: 400px;
        padding: 12px 0 20px;
    }

    .header .nav ul {
        flex-direction: column;
        gap: 4px;
        padding: 8px 20px;
        align-items: flex-start;
    }

    .header .nav ul li {
        width: 100%;
    }

    .header .nav ul li a {
        display: block;
        width: 100%;
        padding: 12px 16px;
        font-size: 1rem;
        border-radius: 8px;
    }

    .header .nav ul li:last-child a {
        margin-top: 8px;
        text-align: center;
    }
}

@media (max-width: 500px) {
    .header {
        padding: 0 16px;
    }

    .logo {
        height: 40px;
    }
}