/* Ortak üst menü — tüm sayfalar (index, blog, ilanlar, araç detay) */

:root {
    --font: "DM Sans", system-ui, sans-serif;
    --font-display: "Outfit", var(--font);
    --accent: #c45c26;
    --accent-soft: rgba(196, 92, 38, 0.15);
    --muted: #94a3b8;
    --text: #e8edf4;
    --line: rgba(255, 255, 255, 0.08);
    --site-header-offset: 4.35rem;
}

.wrap {
    width: min(1120px, 92vw);
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(12, 17, 24, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 1rem;
}

.logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
    color: var(--text);
    text-decoration: none;
}

.logo:hover {
    color: var(--accent);
    text-decoration: none;
}

.logo-with-img img {
    display: block;
    height: 40px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.nav {
    display: flex;
    gap: 1.4rem;
    align-items: center;
    flex-wrap: wrap;
}

/* .site-header ile seçmek şart: style.css’teki genel a / a:hover / body line-height
   import’tan sonra geldiği için ana sayfa ve blogda hizayı bozuyordu. */
.site-header .nav a {
    color: var(--muted);
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    line-height: 1.2;
}

.site-header .nav a:hover {
    color: var(--text);
    text-decoration: none;
}

.site-header .nav .nav-icon {
    flex-shrink: 0;
    display: block;
    width: 18px;
    height: 18px;
    opacity: 0.9;
}

.site-header:not(.site-header--light) .nav a[aria-current="page"] {
    color: var(--accent);
    font-weight: 600;
}

.nav-cta.nav-link {
    padding: 0.45rem 1rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent) !important;
    border: 1px solid rgba(196, 92, 38, 0.35);
}

.nav-cta:hover {
    background: rgba(196, 92, 38, 0.25);
}

.site-header--light {
    background: #ffffff;
    backdrop-filter: none;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.site-header--light .logo {
    color: #0f172a;
}

.site-header--light .logo:hover {
    color: var(--accent);
}

.site-header--light .nav a {
    color: #475569;
}

.site-header--light .nav a:hover {
    color: #0f172a;
}

.site-header--light .nav a[aria-current="page"] {
    color: var(--accent);
    font-weight: 600;
}

.site-header--light .nav-cta {
    background: rgba(196, 92, 38, 0.12);
    color: var(--accent) !important;
    border-color: rgba(196, 92, 38, 0.35);
}

.site-header--light .nav-cta:hover {
    background: rgba(196, 92, 38, 0.22);
}

/* Mobil hamburger — 960px altı */
.nav-toggle {
    display: none;
    position: relative;
    z-index: 210;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    min-width: 2.75rem;
    height: 2.75rem;
    margin: 0;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.site-header--light .nav-toggle {
    border-color: rgba(15, 23, 42, 0.12);
    background: rgba(15, 23, 42, 0.04);
    color: #0f172a;
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.14);
}

.site-header--light .nav-toggle:hover {
    background: rgba(15, 23, 42, 0.07);
    border-color: rgba(15, 23, 42, 0.18);
}

.nav-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.nav-toggle__bars {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 1.25rem;
}

.nav-toggle__bar {
    display: block;
    width: 100%;
    height: 2px;
    border-radius: 1px;
    background: currentColor;
    transition: transform 0.25s ease, opacity 0.2s ease;
    transform-origin: center;
}

.site-header.is-nav-open .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.site-header.is-nav-open .nav-toggle__bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.site-header.is-nav-open .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-backdrop {
    position: fixed;
    z-index: 150;
    top: var(--site-header-offset);
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0;
    padding: 0;
    border: none;
    background: rgba(8, 12, 18, 0.55);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

body.nav-open {
    overflow: hidden;
}

/*
 * backdrop-filter, position:fixed alt öğeler için içeren blok oluşturur; mobilde .nav
 * paneli header kutusuna sıkışıyordu (ilanlar/blog açık tema: backdrop yok, sorun yok).
 */
@media (max-width: 959px) {
    .site-header:not(.site-header--light) {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(12, 17, 24, 0.94);
    }

    .header-inner {
        flex-wrap: nowrap;
        align-items: center;
        justify-content: space-between;
    }

    .nav-toggle {
        display: inline-flex;
        flex-shrink: 0;
        margin-left: auto;
    }

    .site-header .nav {
        position: fixed;
        z-index: 160;
        top: var(--site-header-offset);
        right: 0;
        left: auto;
        bottom: auto;
        width: min(20rem, 92vw);
        max-width: 100%;
        /* top+bottom bazı WebKit sürümlerinde içeren blokla 0 yükseklik veriyordu */
        height: calc(100vh - var(--site-header-offset));
        height: calc(100dvh - var(--site-header-offset));
        max-height: calc(100dvh - var(--site-header-offset));
        flex-direction: column;
        flex-wrap: nowrap;
        align-items: stretch;
        gap: 0;
        margin: 0;
        padding: 0.5rem 0 calc(1.25rem + env(safe-area-inset-bottom, 0));
        background: rgba(12, 17, 24, 0.98);
        border-left: 1px solid var(--line);
        box-shadow: -8px 0 32px rgba(0, 0, 0, 0.35);
        overflow-x: hidden;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        transform: translateX(100%);
        visibility: hidden;
        pointer-events: none;
        transition:
            transform 0.28s cubic-bezier(0.4, 0, 0.2, 1),
            visibility 0.28s;
    }

    .site-header--light .nav {
        background: #ffffff;
        border-left-color: rgba(15, 23, 42, 0.1);
        box-shadow: -8px 0 32px rgba(15, 23, 42, 0.12);
    }

    .site-header.is-nav-open .nav {
        transform: translateX(0);
        visibility: visible;
        pointer-events: auto;
        /* açık durumda da aynı kutu (bazı cihazlarda yeniden boyutlanma) */
        min-height: calc(100vh - var(--site-header-offset));
        min-height: calc(100dvh - var(--site-header-offset));
    }

    .site-header .nav a {
        padding: 0.85rem 1.1rem;
        min-height: 2.75rem;
        border-radius: 0;
        border-bottom: 1px solid var(--line);
        font-size: 1rem;
    }

    .site-header--light .nav a {
        border-bottom-color: rgba(15, 23, 42, 0.08);
    }

    .site-header .nav a:last-child {
        border-bottom: none;
        margin-top: 0.35rem;
        border-radius: 999px;
        border: 1px solid rgba(196, 92, 38, 0.35);
    }

    .site-header--light .nav-cta.nav-link {
        margin-inline: 0.75rem;
    }
}

@media (min-width: 960px) {
    .nav-backdrop {
        display: none !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .site-header .nav {
        transition: none;
    }

    .nav-toggle__bar {
        transition: none;
    }
}