/* =============================================================
   Karbontex · navbar.css
   Fixed top, transparent default → scrolled blur container.
   Index dışı sayfalar `<nav class="navbar scrolled">` ile başlar.
   Selector kuralı: .navbar prefix'iyle.
   ============================================================= */

.navbar {
    position: fixed;
    top: 16px;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 20px;
    transition: all 0.4s var(--ease-out-expo);
}

.navbar .nav-container {
    position: relative;
    max-width: var(--nav-max);
    margin: 0 auto;
    height: 64px;
    padding: 0 14px 0 20px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.4s var(--ease-out-expo);
    background: var(--nav-bg);
    box-shadow: 0 8px 24px -10px rgba(14, 27, 51, 0.35);
}

/* Scrolled state — aynı solid ink, biraz daha derin shadow */
.navbar.scrolled {
    top: 12px;
}

.navbar.scrolled .nav-container {
    background: var(--nav-bg);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.22), 0 12px 32px -12px rgba(14, 27, 51, 0.45);
    height: 68px;
}


/* ============ Left ============ */
.navbar .nav-left {
    flex-shrink: 0;
}

.navbar .nav-left .nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar .nav-left .nav-logo img {
    height: 42px;
    width: auto;
    object-fit: contain;
    transition: opacity 0.25s ease;
}

.navbar .nav-left .nav-logo:hover img {
    opacity: 0.85;
}


/* ============ Center / Links ============ */
.navbar .nav-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.navbar .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.navbar .nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 40px;
    padding: 0 14px;
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: -0.005em;
    color: rgba(255, 255, 255, 0.85);
    transition: all 0.25s ease;
}

.navbar .nav-link i {
    font-size: 10px;
    opacity: 0.7;
    transition: transform 0.25s ease;
}

.navbar .nav-link:hover {
    color: var(--brand-cyan);
    background: rgba(255, 255, 255, 0.08);
}

.navbar .nav-link:hover i { transform: translateY(1px); }

.navbar.scrolled .nav-link { color: rgba(255, 255, 255, 0.88); }
.navbar.scrolled .nav-link:hover { color: var(--brand-cyan); }

/* Hero üstündeyken (scrolled değil) link rengi koyu kalır — light bg üstüne */


/* ============ Right ============ */
.navbar .nav-right {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar .nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 40px;
    padding: 0 18px;
    border-radius: 10px;
    background: #FFFFFF;
    color: var(--brand-deep);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: -0.005em;
    transition: all 0.3s var(--ease-out-expo);
}

.navbar .nav-cta i { font-size: 11px; }

.navbar .nav-cta:hover {
    transform: translateY(-1px);
    background: var(--brand-cyan);
    color: var(--brand-deep);
    box-shadow: 0 6px 16px -4px rgba(63, 205, 255, 0.40);
}


/* ============ Hamburger (mobil) ============ */
.navbar .nav-hamburger {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: transparent;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    cursor: pointer;
    transition: all 0.25s ease;
}

.navbar .nav-hamburger:hover { background: rgba(255, 255, 255, 0.06); }

.navbar .nav-hamburger span {
    width: 18px;
    height: 1.5px;
    background: #FFFFFF;
    border-radius: 1px;
    transition: all 0.3s var(--ease-out-expo);
    transform-origin: center;
}

/* Hamburger → X transformation when menu open */
.navbar.is-mobile-open .nav-hamburger span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}
.navbar.is-mobile-open .nav-hamburger span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.navbar.is-mobile-open .nav-hamburger span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}


/* ============ Responsive ============ */
@media (max-width: 1024px) {
    /* Center links hidden by default — slide-down menu when hamburger open */
    .navbar .nav-center {
        display: none;
        position: absolute;
        top: calc(100% + 8px);
        left: 0;
        right: 0;
        z-index: 1001;
        padding: 14px;
        border-radius: 14px;
        background: var(--nav-bg, var(--ink));
        box-shadow: 0 16px 40px -12px rgba(14, 27, 51, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.06);
        animation: navMobileIn 0.35s var(--ease-out-expo);
    }

    .navbar.is-mobile-open .nav-center { display: block; }

    .navbar.is-mobile-open .nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
    }

    .navbar.is-mobile-open .nav-link {
        height: auto;
        padding: 13px 14px;
        border-radius: 8px;
        font-size: 0.9375rem;
        justify-content: flex-start;
    }

    .navbar.is-mobile-open .nav-link.is-active {
        background: rgba(63, 205, 255, 0.10);
        color: var(--brand-cyan);
    }

    .navbar .nav-hamburger { display: inline-flex; }

    @keyframes navMobileIn {
        0% { opacity: 0; transform: translateY(-8px); }
        100% { opacity: 1; transform: translateY(0); }
    }
}

@media (max-width: 560px) {
    .navbar { top: 10px; padding: 0 12px; }
    .navbar .nav-container { height: 58px; padding: 0 10px 0 14px; }
    .navbar .nav-left .nav-logo img { height: 34px; }
    .navbar .nav-cta { height: 36px; padding: 0 12px; font-size: 0.8125rem; }
    .navbar .nav-cta span { display: none; }
    .navbar .nav-right { gap: 8px; }
}