/* ========================================
   Navbar — Refined Editorial
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 clamp(1.5rem, 4vw, 3rem);
    height: 88px;
    background: rgba(7, 9, 15, 0.7);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-smooth);
}

.navbar.scrolled {
    height: 76px;
    background: rgba(7, 9, 15, 0.92);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
}

.navbar.navbar--hidden {
    background: transparent !important;
    border-bottom-color: transparent !important;
    box-shadow: none !important;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.navbar.navbar--hidden.menu-open {
    background: rgba(7, 9, 15, 0.96) !important;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}

/* Logo */
.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity var(--transition-smooth), transform var(--transition-smooth);
    text-decoration: none;
    cursor: pointer;
}

.navbar-logo.visible:hover img {
    filter: brightness(1.2) drop-shadow(0 0 12px rgba(10, 173, 191, 0.4));
    transition: filter 0.3s ease;
}

.navbar-logo.visible {
    opacity: 1;
    transform: translateX(0);
}

.navbar.menu-open .navbar-logo {
    opacity: 1 !important;
    transform: translateX(0) !important;
}

.navbar-logo img,
.navbar-logo-img {
    height: 60px;
    width: auto;
    filter: brightness(1.1);
    transition: filter 0.3s ease, height 0.3s ease;
}

.navbar.scrolled .navbar-logo img,
.navbar.scrolled .navbar-logo-img {
    height: 52px;
}

/* Menu */
.navbar-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar-menu li {
    position: relative;
}

.navbar-menu a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.1rem;
    color: var(--color-text-secondary);
    font-family: var(--font-primary);
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    text-decoration: none;
    border-radius: 999px;
    transition: all var(--transition-fast);
    position: relative;
}

.navbar-menu a::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 999px;
    background: var(--color-bg-card);
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: -1;
}

.navbar-menu a:hover {
    color: var(--color-text-primary);
}

.navbar-menu a:hover::before {
    opacity: 1;
}

.navbar.navbar--hidden .navbar-menu a:hover::before {
    background: rgba(255, 255, 255, 0.06);
    opacity: 1;
}

.navbar-menu a.active {
    color: var(--color-accent-cyan);
}

.navbar-menu a.active::after {
    content: '';
    position: absolute;
    left: 1.1rem;
    bottom: 4px;
    width: calc(100% - 2.2rem);
    height: 1px;
    background: var(--color-accent-cyan);
}

/* Mobile toggle */
.navbar-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.navbar-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

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

.navbar-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

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

/* Mobile */
@media screen and (max-width: 900px) {
    .navbar {
        padding: 0 1.5rem;
    }

    .navbar-toggle {
        display: flex;
        z-index: 1001;
        min-width: 48px;
        min-height: 48px;
    }

    .navbar-menu {
        position: fixed !important;
        top: 88px !important;
        left: 0 !important;
        right: 0 !important;
        height: auto !important;
        max-height: calc(100vh - 88px) !important;
        z-index: 999 !important;

        display: block !important;

        background: rgba(7, 9, 15, 0.96) !important;
        backdrop-filter: blur(24px) !important;
        -webkit-backdrop-filter: blur(24px) !important;
        padding: 24px !important;

        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }

    .navbar-menu.active {
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
    }

    .navbar-menu li {
        display: block !important;
        width: 100% !important;
        margin-bottom: 8px !important;
        border-bottom: 1px solid var(--color-border) !important;
    }

    .navbar-menu li:last-child {
        border-bottom: none !important;
    }

    .navbar-menu li a {
        display: flex !important;
        align-items: center !important;
        gap: 1rem !important;
        width: 100% !important;
        padding: 20px 4px !important;
        font-family: var(--font-display) !important;
        font-size: 22px !important;
        font-weight: 500 !important;
        letter-spacing: -0.03em !important;
        text-align: left !important;
        color: var(--color-text-primary) !important;
        background: transparent !important;
        border: none !important;
        text-decoration: none !important;
        transition: color 0.2s ease !important;
        border-radius: 0 !important;
    }

    .navbar-menu li a::before {
        content: counter(menu-counter, decimal-leading-zero);
        position: static;
        background: transparent;
        opacity: 1;
        font-family: var(--font-mono);
        font-size: 0.7em;
        color: var(--color-text-muted);
        letter-spacing: 0.1em;
    }

    .navbar-menu {
        counter-reset: menu-counter;
    }

    .navbar-menu li {
        counter-increment: menu-counter;
    }

    .navbar-menu li a:hover,
    .navbar-menu li a:active {
        color: var(--color-accent-cyan) !important;
    }

    .navbar-menu li a.active {
        color: var(--color-accent-cyan) !important;
    }

    .navbar-menu a::before {
        display: inline-block !important;
    }
}

@media screen and (max-width: 600px) {
    .navbar {
        height: 65px;
        padding: 0 1rem;
    }

    .navbar-logo img,
    .navbar-logo-img {
        height: 40px;
    }

    .navbar.scrolled .navbar-logo img,
    .navbar.scrolled .navbar-logo-img {
        height: 36px;
    }

    .navbar-menu {
        top: 65px !important;
        max-height: calc(100vh - 65px) !important;
        padding: 18px !important;
    }

    .navbar-menu li a {
        padding: 16px 4px !important;
        font-size: 22px !important;
    }
}

@media (max-width: 380px) {
    .navbar-logo img,
    .navbar-logo-img {
        height: 36px;
    }
}