/* ============================================
   NAVBAR COMPONENT - Matrix Theme
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: transparent;
    backdrop-filter: none;
    z-index: 1000;
    border-bottom: 1px solid transparent;
    box-shadow: none;
    transition: all 0.4s ease;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

.navbar.visible {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 51, 51, 0.2);
    box-shadow: 0 0 20px rgba(255, 51, 51, 0.1);
}

/* Transparent navbar state (over hero) */
.navbar:not(.scrolled) .nav-logo h2,
.navbar:not(.scrolled) .nav-link {
    color: var(--accent);
    text-shadow: 0 0 10px rgba(255, 51, 51, 0.3);
}

.navbar:not(.scrolled) .nav-link:hover {
    color: #fff;
    text-shadow: 0 0 15px rgba(255, 51, 51, 0.5);
}

.navbar:not(.scrolled) .hamburger span {
    background: var(--accent);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
}

/* Hide logo - centered nav only */
.nav-logo {
    display: none;
}

.nav-logo h2 {
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 1.75rem;
    letter-spacing: 0.05em;
    text-shadow: 0 0 10px rgba(255, 51, 51, 0.5);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
    justify-content: center;
}

.nav-link {
    text-decoration: none;
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
    text-transform: lowercase;
}

.nav-link:hover {
    color: #fff;
    text-shadow: 0 0 10px rgba(255, 51, 51, 0.5);
}

.nav-link.active {
    color: #fff;
}

.nav-link:after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
    transition: width 0.3s ease;
}

.nav-link:hover:after,
.nav-link.active:after {
    width: 100%;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
    padding: 0;
    border: 0;
    background: transparent;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--accent);
    margin: 4px 0;
    transition: 0.3s;
    box-shadow: 0 0 5px var(--accent);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
@media (max-width: 968px) {
    body.nav-open {
        overflow: hidden;
    }

    .nav-container {
        justify-content: space-between;
        height: 72px;
    }

    .nav-logo {
        display: block;
    }

    .nav-logo h2 {
        font-size: 1.15rem;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        height: calc(100vh - 72px);
        height: calc(100dvh - 72px);
        padding: 2rem 1.5rem 3rem;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        gap: 1.25rem;
        overflow-y: auto;
    }

    .nav-menu.active {
        display: flex;
    }

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

    .nav-link {
        display: block;
        font-size: 1.15rem;
        color: var(--accent) !important;
        padding: 0.85rem 0;
    }
}