/* ============================================================
   base.css — sıfırlama, tipografi, sayfa iskeleti, başlık/altlık
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scrollbar-color: var(--border-strong) transparent;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(90% 60% at 50% -5%, var(--primary-dim), transparent 55%),
        var(--bg);
    background-attachment: fixed;
    color: var(--text);
    font-family: var(--font-ui);
    font-size: var(--fs-md);
    line-height: var(--lh-base);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    font-feature-settings: "cv11", "ss01";
}

h1, h2, h3, h4 {
    margin: 0;
    font-family: var(--font-display);
    font-weight: 700;
    line-height: var(--lh-tight);
    letter-spacing: var(--tracking-tight);
}
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, video { max-width: 100%; }
img { height: auto; }

a { color: var(--primary-2); text-decoration: none; transition: color var(--dur-fast) var(--ease); }
a:hover { color: var(--text); }

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }

:focus-visible {
    outline: 2px solid var(--ring);
    outline-offset: 2px;
    border-radius: var(--r-sm);
}

::selection { background: var(--primary-soft); color: var(--text); }

::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: var(--r-pill);
    border: 3px solid transparent;
    background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); background-clip: content-box; }

.skip-link {
    position: absolute; left: -9999px; top: 0; z-index: 999;
    background: var(--primary); color: var(--primary-ink);
    padding: var(--sp-3) var(--sp-4); border-radius: 0 0 var(--r-md) 0;
}
.skip-link:focus { left: 0; }

.muted { color: var(--text-muted); }
.dim { color: var(--text-dim); }
.sep { color: var(--text-faint); margin: 0 3px; }
.ico { flex: none; vertical-align: -.15em; }
.ico.flip { transform: rotate(180deg); }
.tabular { font-variant-numeric: tabular-nums; }

/* ------------------------------------------------------------
   Kapsayıcı ve ızgara
   ------------------------------------------------------------ */

.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: var(--sp-4);
}

.page { display: flex; flex-direction: column; min-height: 100vh; }
.page__body { flex: 1; padding-block: var(--sp-5) var(--sp-16); }

.layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--side-width);
    gap: var(--sp-5);
    align-items: start;
}
.layout__main { min-width: 0; display: flex; flex-direction: column; gap: var(--sp-5); }
.layout__side {
    display: flex; flex-direction: column; gap: var(--sp-4);
    position: sticky; top: var(--sp-4);
}

@media (max-width: 1100px) {
    .layout { grid-template-columns: minmax(0, 1fr); }
    .layout__side { position: static; }
}

/* ------------------------------------------------------------
   Üst şerit
   ------------------------------------------------------------ */

.topbar {
    background: var(--bg-2);
    border-bottom: 1px solid var(--border-soft);
    font-size: var(--fs-sm);
}
.topbar__inner {
    display: flex; align-items: center; justify-content: space-between;
    gap: var(--sp-4); min-height: 46px;
}
.topbar__left { display: flex; align-items: center; gap: var(--sp-1); }
.topbar__right { display: flex; align-items: center; gap: 6px; }

.topbar__link {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 5px 10px;
    border-radius: var(--r-sm);
    color: var(--text-dim); font-weight: 600; font-size: var(--fs-xs);
    transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.topbar__link:hover { color: var(--text); background: var(--surface-2); }

.qsearch {
    display: flex; align-items: center; gap: var(--sp-2);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-pill);
    padding: 6px var(--sp-3);
    color: var(--text-dim);
    width: 260px;
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), width var(--dur) var(--ease);
}
.qsearch:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
    width: 320px;
}
.qsearch input {
    flex: 1; min-width: 0; border: 0; background: none; outline: none;
    font-size: var(--fs-sm); color: var(--text);
}
.qsearch input::placeholder { color: var(--text-faint); }
.qsearch kbd {
    font: 600 10px var(--font-mono); color: var(--text-faint);
    border: 1px solid var(--border); border-radius: 5px; padding: 1px 5px;
}

/* ------------------------------------------------------------
   Logo + ana menü
   ------------------------------------------------------------ */

.masthead {
    position: relative;
    background: var(--header-bg);
    border-bottom: 1px solid var(--border);
    isolation: isolate;
}
.masthead::before {
    content: ''; position: absolute; inset: 0;
    background: var(--glow-head);
    pointer-events: none; z-index: -1;
}
.masthead::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
}
.masthead__inner {
    display: flex; align-items: center; justify-content: space-between;
    gap: var(--sp-5); min-height: 72px;
}

.brand { display: inline-flex; align-items: center; gap: var(--sp-3); color: var(--text); }
.brand__mark {
    display: grid; place-items: center;
    filter: drop-shadow(0 6px 16px var(--primary-soft));
    transition: transform var(--dur-slow) var(--ease-spring);
}
.brand:hover .brand__mark { transform: rotate(-8deg) scale(1.06); }
.brand__text {
    font-size: 20px; font-weight: 800;
    letter-spacing: -.03em; text-transform: uppercase;
    line-height: 1;
}
.brand__text em {
    font-style: normal;
    background: var(--grad-primary);
    -webkit-background-clip: text; background-clip: text; color: transparent;
    margin-left: 5px;
}

.nav { display: flex; align-items: center; gap: 3px; }
.nav__item {
    position: relative;
    display: inline-flex; align-items: center; gap: 7px;
    padding: 9px var(--sp-4);
    border-radius: var(--r-pill);
    color: var(--text-muted); font-weight: 600; font-size: var(--fs-md);
    white-space: nowrap;
    transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.nav__item:hover { background: var(--surface-2); color: var(--text); }
.nav__item.is-active {
    background: var(--primary-soft);
    color: var(--text);
    box-shadow: inset 0 0 0 1px var(--border-glow);
}
.nav__item--accent {
    background: var(--grad-primary);
    color: var(--primary-ink);
    box-shadow: var(--shadow-glow);
}
.nav__item--accent:hover { color: var(--primary-ink); filter: brightness(1.1); transform: translateY(-1px); }

.masthead__burger { display: none; }

/* ------------------------------------------------------------
   Hero
   ------------------------------------------------------------ */

.hero {
    position: relative;
    display: flex; align-items: center; justify-content: space-between; gap: var(--sp-8);
    padding: var(--sp-10) var(--sp-8);
    margin-bottom: var(--sp-5);
    border: 1px solid var(--border);
    border-radius: var(--r-2xl);
    background: var(--glow-hero), var(--surface);
    box-shadow: var(--shadow-md), var(--inset-top);
    overflow: hidden;
}
.hero__pattern {
    position: absolute; inset: 0; pointer-events: none;
    background-image: radial-gradient(var(--dot-grid) 1px, transparent 1px);
    background-size: 26px 26px;
    mask-image: linear-gradient(115deg, transparent 30%, #000 100%);
    -webkit-mask-image: linear-gradient(115deg, transparent 30%, #000 100%);
}
.hero__content { position: relative; max-width: 640px; }
.hero__eyebrow {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 5px 13px; margin-bottom: var(--sp-4);
    border-radius: var(--r-pill);
    background: var(--primary-soft);
    border: 1px solid var(--border-glow);
    color: var(--primary-2);
    font-size: var(--fs-xs); font-weight: 700;
    letter-spacing: var(--tracking-wide); text-transform: uppercase;
}
.hero__title {
    font-size: var(--fs-4xl); font-weight: 800;
    letter-spacing: -.04em; line-height: 1.08;
}
.hero__title em {
    font-style: normal;
    background: var(--grad-primary);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__text { margin-top: var(--sp-4); color: var(--text-muted); font-size: var(--fs-lg); max-width: 56ch; }
.hero__actions { display: flex; gap: var(--sp-3); margin-top: var(--sp-6); flex-wrap: wrap; }

.hero__stats { position: relative; display: flex; gap: var(--sp-8); flex: none; }
.hero__stat { text-align: right; }
.hero__stat strong {
    display: block; font-size: var(--fs-3xl); font-weight: 800;
    font-variant-numeric: tabular-nums; letter-spacing: -.035em;
    background: var(--grad-primary);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__stat span {
    color: var(--text-dim); font-size: var(--fs-2xs);
    text-transform: uppercase; letter-spacing: var(--tracking-wide); font-weight: 700;
}

@media (max-width: 960px) {
    .hero { flex-direction: column; align-items: flex-start; padding: var(--sp-7) var(--sp-5); gap: var(--sp-6); }
    .hero__stats { gap: var(--sp-6); }
    .hero__stat { text-align: left; }
    .hero__title { font-size: var(--fs-2xl); }
    .hero__text { font-size: var(--fs-md); }
}

/* ------------------------------------------------------------
   Reklam slotları
   ------------------------------------------------------------ */

.ad-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); margin-bottom: var(--sp-5); }
.ad-slot {
    position: relative;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
    min-height: 96px;
    border: 1px dashed var(--border-strong);
    border-radius: var(--r-lg);
    background: var(--surface);
    color: var(--text-faint);
    overflow: hidden;
    transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.ad-slot::after {
    content: ''; position: absolute; inset: 0;
    background: var(--grad-sheen);
    transform: translateX(-100%);
    transition: transform var(--dur-slow) var(--ease);
}
.ad-slot:hover { border-color: var(--primary); background: var(--surface-2); color: var(--text-muted); }
.ad-slot:hover::after { transform: translateX(100%); }
.ad-slot__label { font-size: var(--fs-2xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; font-weight: 700; }
.ad-slot__cta { display: inline-flex; align-items: center; gap: 5px; font-weight: 700; font-size: var(--fs-sm); color: var(--primary-2); }

@media (max-width: 880px) { .ad-row { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------
   Duyuru bantları
   ------------------------------------------------------------ */

.notice-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); margin-bottom: var(--sp-5); }
.notice {
    position: relative;
    display: flex; gap: var(--sp-3); align-items: flex-start;
    padding: var(--sp-4) var(--sp-5);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    background: var(--surface);
    box-shadow: var(--shadow-xs), var(--inset-top);
    overflow: hidden;
}
.notice::before {
    content: ''; position: absolute; inset: 0 auto 0 0; width: 3px;
    background: var(--grad-primary);
}
.notice--accent::before  { background: var(--grad-accent); }
.notice--success::before { background: var(--grad-success); }
.notice--warn::before    { background: linear-gradient(180deg, var(--warn), var(--accent)); }

.notice__icon {
    display: grid; place-items: center; flex: none;
    width: 40px; height: 40px; border-radius: var(--r-md);
    background: var(--primary-soft); color: var(--primary-2);
    box-shadow: inset 0 0 0 1px var(--border-glow);
}
.notice--accent .notice__icon  { background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent); box-shadow: none; }
.notice--warn .notice__icon    { background: color-mix(in srgb, var(--warn) 15%, transparent); color: var(--warn); box-shadow: none; }
.notice--success .notice__icon { background: color-mix(in srgb, var(--success) 15%, transparent); color: var(--success); box-shadow: none; }

.notice__body strong { display: block; font-size: var(--fs-md); }
.notice__body p { color: var(--text-muted); font-size: var(--fs-sm); margin-top: 3px; }
.notice__close {
    position: absolute; top: 9px; right: 9px;
    display: grid; place-items: center; width: 26px; height: 26px;
    border-radius: var(--r-xs); color: var(--text-faint);
}
.notice__close:hover { background: var(--surface-2); color: var(--text); }

@media (max-width: 880px) { .notice-row { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------
   Breadcrumb
   ------------------------------------------------------------ */

.crumbs {
    display: flex; align-items: center; flex-wrap: wrap; gap: 3px;
    padding: var(--sp-2) var(--sp-4);
    margin-bottom: var(--sp-4);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    font-size: var(--fs-sm);
    box-shadow: var(--shadow-xs);
}
.crumbs__item {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 7px; border-radius: var(--r-xs);
    color: var(--text-muted); font-weight: 600;
}
.crumbs__item:hover { color: var(--text); background: var(--surface-2); }
.crumbs__item:last-child { color: var(--text); }
.crumbs__sep { color: var(--text-faint); display: inline-flex; }

/* ------------------------------------------------------------
   Sayfa başlığı
   ------------------------------------------------------------ */

.page-head {
    display: flex; align-items: flex-end; justify-content: space-between; gap: var(--sp-4);
    flex-wrap: wrap;
}
.page-head__title {
    font-size: var(--fs-2xl); font-weight: 800;
    letter-spacing: -.03em;
    display: flex; align-items: center; flex-wrap: wrap; gap: var(--sp-2);
}
.page-head__desc { color: var(--text-muted); margin-top: 5px; }
.page-head__meta {
    display: flex; align-items: center; flex-wrap: wrap; gap: 7px;
    margin-top: var(--sp-3); color: var(--text-muted); font-size: var(--fs-sm);
}
.page-head__actions { display: flex; gap: var(--sp-2); flex-wrap: wrap; align-items: center; }

/* ------------------------------------------------------------
   Altlık
   ------------------------------------------------------------ */

.footer {
    position: relative;
    margin-top: auto;
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    padding-block: var(--sp-10) var(--sp-6);
}
.footer::before {
    content: ''; position: absolute; left: 0; right: 0; top: -1px; height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
}
.footer__help { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); }
.help-card {
    display: flex; align-items: center; gap: var(--sp-3);
    padding: var(--sp-4);
    border: 1px solid var(--border-soft);
    border-radius: var(--r-lg);
    background: var(--surface);
    color: var(--text);
    transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.help-card:hover { transform: translateY(-3px); border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.help-card__icon {
    display: grid; place-items: center; flex: none;
    width: 42px; height: 42px; border-radius: var(--r-md);
    background: var(--surface-3); color: var(--primary-2);
}
.help-card strong { display: block; font-size: var(--fs-md); }
.help-card em { font-style: normal; color: var(--text-dim); font-size: var(--fs-xs); }

.footer__boards { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); margin-top: var(--sp-6); }
.board-card {
    border: 1px solid var(--border-soft);
    border-radius: var(--r-lg);
    background: var(--surface);
    overflow: hidden;
}
.board-card h3 {
    display: flex; align-items: center; gap: 7px;
    padding: var(--sp-3) var(--sp-4);
    font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: var(--tracking-wide);
    color: var(--text-dim); font-weight: 700;
    border-bottom: 1px solid var(--border-soft);
    background: var(--surface-2);
}
.board-card li {
    display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3);
    padding: 9px var(--sp-4);
    border-bottom: 1px solid var(--border-soft);
    font-size: var(--fs-sm);
}
.board-card li:last-child { border-bottom: 0; }
.board-card li:hover { background: var(--surface-hover); }
.board-card li > a { display: inline-flex; align-items: center; gap: var(--sp-2); min-width: 0; color: var(--text); }
.board-card li > span { color: var(--text-dim); font-variant-numeric: tabular-nums; flex: none; font-weight: 600; }
.board-card__thread { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.footer__bottom {
    display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4);
    flex-wrap: wrap;
    margin-top: var(--sp-6); padding-top: var(--sp-4);
    border-top: 1px solid var(--border-soft);
    font-size: var(--fs-sm); color: var(--text-dim);
}
.footer__brand strong { color: var(--text); margin-right: var(--sp-2); }
.footer__meta { display: flex; align-items: center; gap: var(--sp-4); }
.footer__meta a { display: inline-flex; align-items: center; gap: 5px; color: var(--text-muted); }
.footer__lang { display: inline-flex; align-items: center; gap: 5px; }

@media (max-width: 980px) {
    .footer__help { grid-template-columns: 1fr 1fr; }
    .footer__boards { grid-template-columns: 1fr; }
}
@media (max-width: 560px) { .footer__help { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------
   Yukarı çık
   ------------------------------------------------------------ */

.scroll-top {
    position: fixed; right: 22px; bottom: 22px; z-index: 40;
    display: grid; place-items: center;
    width: 46px; height: 46px; border-radius: 50%;
    background: var(--grad-primary);
    color: var(--primary-ink);
    box-shadow: var(--shadow-glow);
    opacity: 0; transform: translateY(14px) scale(.9); pointer-events: none;
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease-spring);
}
.scroll-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.scroll-top:hover { filter: brightness(1.12); transform: translateY(-2px); }

/* ------------------------------------------------------------
   Mobil
   ------------------------------------------------------------ */

@media (max-width: 880px) {
    .masthead__burger { display: grid; }
    .nav {
        position: fixed; inset: 0 0 0 auto; z-index: 60;
        width: min(84vw, 330px);
        flex-direction: column; align-items: stretch; gap: 3px;
        padding: var(--sp-7) var(--sp-4);
        background: var(--surface);
        border-left: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
        transform: translateX(100%);
        transition: transform var(--dur-slow) var(--ease);
        overflow-y: auto;
    }
    body.drawer-open .nav { transform: none; }
    body.drawer-open::after {
        content: ''; position: fixed; inset: 0; z-index: 50;
        background: rgba(0, 0, 0, .6); backdrop-filter: blur(3px);
    }
    .nav__item { padding: 13px var(--sp-4); border-radius: var(--r-md); }
    .qsearch { width: 150px; }
    .qsearch:focus-within { width: 190px; }
    .qsearch kbd { display: none; }
    .topbar__link--hide-sm { display: none; }
}

@media (max-width: 560px) {
    .qsearch { display: none; }
    .usermenu__name { display: none; }
    .page__body { padding-block: var(--sp-4) var(--sp-12); }
    .container { padding-inline: var(--sp-3); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .001ms !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }
}