/* Stuxio — ortak stil. Harici bağımlılık yok (font/CDN çağrısı yapılmaz). */

:root {
    color-scheme: dark light;

    --primary: #4f8cff;
    --accent: #8b5cf6;

    --bg: #06070b;
    --bg-soft: #0b0e15;
    --surface: rgba(19, 22, 29, 0.78);
    --surface-solid: #13161d;
    --border: rgba(255, 255, 255, 0.09);
    --border-strong: rgba(255, 255, 255, 0.16);
    --text: #f8fafc;
    --text-muted: #9aa4b2;
    --shadow: 0 18px 45px rgba(0, 0, 0, 0.35);

    --radius: 18px;
    --radius-lg: 26px;
    --maxw: 1140px;
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #f7f8fc;
        --bg-soft: #ffffff;
        --surface: rgba(255, 255, 255, 0.88);
        --surface-solid: #ffffff;
        --border: rgba(15, 23, 42, 0.10);
        --border-strong: rgba(15, 23, 42, 0.18);
        --text: #0f172a;
        --text-muted: #55617a;
        --shadow: 0 18px 45px rgba(15, 23, 42, 0.10);
    }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background:
        radial-gradient(1100px 520px at 12% -10%, rgba(79, 140, 255, 0.18), transparent 60%),
        radial-gradient(900px 480px at 92% 4%, rgba(139, 92, 246, 0.14), transparent 60%),
        var(--bg);
    background-attachment: fixed;
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

/* ── Üst çubuk ─────────────────────────────────────────────────────────── */

.site-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    background: color-mix(in srgb, var(--bg) 82%, transparent);
    border-bottom: 1px solid var(--border);
}

.site-nav .inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 800;
    font-size: 1.08rem;
    letter-spacing: -0.02em;
    color: var(--text);
}
.brand:hover { text-decoration: none; }

.brand-mark {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    box-shadow: 0 0 22px rgba(79, 140, 255, 0.35);
    flex: none;
}

.nav-links { display: flex; align-items: center; gap: 1.35rem; flex-wrap: wrap; }
.nav-links a { color: var(--text-muted); font-size: 0.94rem; font-weight: 600; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* ── Tipografi ─────────────────────────────────────────────────────────── */

h1 { font-size: clamp(2.1rem, 4.4vw, 3.5rem); line-height: 1.07; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); letter-spacing: -0.02em; line-height: 1.2; }
h3 { font-size: 1.05rem; letter-spacing: -0.01em; }

.eyebrow {
    display: inline-block;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: rgba(79, 140, 255, 0.14);
    border: 1px solid rgba(79, 140, 255, 0.28);
    color: #7ea9ff;
    font-size: 0.84rem;
    font-weight: 700;
}

.lead { color: var(--text-muted); font-size: 1.06rem; max-width: 62ch; }
.muted { color: var(--text-muted); }

section { padding: 3.4rem 0; }
.section-head { margin-bottom: 1.6rem; }
.section-head p { color: var(--text-muted); margin-top: 0.5rem; max-width: 68ch; }

/* ── Düğmeler ──────────────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.78rem 1.25rem;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.96rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    box-shadow: 0 10px 26px rgba(79, 140, 255, 0.28);
}

.btn-ghost {
    background: var(--surface);
    color: var(--text);
    border-color: var(--border-strong);
}

/* ── Kartlar ───────────────────────────────────────────────────────────── */

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.3rem;
}

.grid { display: grid; gap: 1rem; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

.feature-icon {
    width: 38px; height: 38px;
    border-radius: 11px;
    display: grid; place-items: center;
    background: linear-gradient(135deg, rgba(79, 140, 255, 0.22), rgba(139, 92, 246, 0.22));
    border: 1px solid var(--border-strong);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.card h3 + p { color: var(--text-muted); font-size: 0.95rem; margin-top: 0.35rem; }

/* ── Ekran görüntüsü çerçevesi ─────────────────────────────────────────── */

.shot {
    background: linear-gradient(145deg, var(--surface-solid), color-mix(in srgb, var(--surface-solid) 80%, var(--primary) 6%));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 0.7rem;
    box-shadow: var(--shadow);
    overflow: hidden;
}
.shot img { border-radius: 14px; border: 1px solid var(--border); width: 100%; }
.shot figcaption { color: var(--text-muted); font-size: 0.88rem; padding: 0.7rem 0.35rem 0.15rem; }

/* ── Fiyatlandırma ─────────────────────────────────────────────────────── */

.plan { display: flex; flex-direction: column; gap: 0.85rem; }
.plan.highlight { border-color: rgba(79, 140, 255, 0.45); box-shadow: 0 0 0 1px rgba(79,140,255,0.18), var(--shadow); }
.plan ul { list-style: none; display: grid; gap: 0.5rem; }
.plan li { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.95rem; color: var(--text-muted); }
.plan li b { color: var(--text); font-weight: 650; }
.tick { color: var(--primary); flex: none; font-weight: 800; }
.dash { color: var(--text-muted); flex: none; font-weight: 800; }

/* ── Mağaza rozetleri ──────────────────────────────────────────────────── */

.stores { display: flex; flex-wrap: wrap; gap: 0.7rem; }

.store-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 1.05rem;
    border-radius: 14px;
    border: 1px dashed var(--border-strong);
    background: var(--surface);
    color: var(--text-muted);
    font-weight: 650;
    font-size: 0.92rem;
    cursor: default;
}
.store-badge .soon {
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #7ea9ff;
    border: 1px solid rgba(79, 140, 255, 0.3);
    background: rgba(79, 140, 255, 0.12);
    padding: 0.1rem 0.45rem;
    border-radius: 999px;
}

/* ── SSS ───────────────────────────────────────────────────────────────── */

details.faq {
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
    padding: 0.95rem 1.1rem;
}
details.faq + details.faq { margin-top: 0.6rem; }
details.faq summary {
    cursor: pointer;
    font-weight: 650;
    list-style: none;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; color: var(--primary); font-weight: 800; }
details.faq[open] summary::after { content: "–"; }
details.faq p { color: var(--text-muted); font-size: 0.95rem; margin-top: 0.6rem; }

/* ── Belge sayfaları (gizlilik, koşullar…) ─────────────────────────────── */

.doc { max-width: 820px; margin: 0 auto; padding: 2.5rem 0 1rem; }
.doc h1 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); margin-bottom: 0.5rem; }
.doc .updated { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 2rem; }
.doc h2 { margin: 2.1rem 0 0.6rem; font-size: 1.22rem; }
.doc h3 { margin: 1.3rem 0 0.4rem; font-size: 1.02rem; }
.doc p, .doc li { color: var(--text-muted); }
.doc p { margin-bottom: 0.8rem; }
.doc ul, .doc ol { margin: 0 0 0.9rem 1.15rem; display: grid; gap: 0.35rem; }
.doc strong { color: var(--text); font-weight: 650; }

.doc table { width: 100%; border-collapse: collapse; margin: 0.5rem 0 1.2rem; font-size: 0.94rem; }
.doc th, .doc td { text-align: left; padding: 0.6rem 0.7rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.doc th { color: var(--text); font-weight: 650; }
.doc td { color: var(--text-muted); }
.table-wrap { overflow-x: auto; }

.callout {
    border: 1px solid rgba(79, 140, 255, 0.3);
    background: rgba(79, 140, 255, 0.09);
    border-radius: 14px;
    padding: 1rem 1.15rem;
    margin: 1.2rem 0;
}
.callout p:last-child { margin-bottom: 0; }

/* Dil değiştirici */
.lang-switch { display: inline-flex; gap: 0.3rem; background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 0.25rem; }
.lang-switch button {
    border: 0; background: transparent; color: var(--text-muted);
    font: inherit; font-size: 0.85rem; font-weight: 700;
    padding: 0.3rem 0.75rem; border-radius: 999px; cursor: pointer;
}
.lang-switch button[aria-selected="true"] { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; }

[data-lang] { display: none; }
[data-lang].is-active { display: block; }

/* ── Alt bilgi ─────────────────────────────────────────────────────────── */

.site-footer {
    border-top: 1px solid var(--border);
    margin-top: 2.5rem;
    padding: 2.2rem 0 2.6rem;
}
.footer-grid { display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: space-between; align-items: flex-start; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.1rem; }
.footer-links a { color: var(--text-muted); font-size: 0.92rem; font-weight: 600; }
.footer-links a:hover { color: var(--text); }
.copyright { color: var(--text-muted); font-size: 0.88rem; margin-top: 1.4rem; }

.skip-link {
    position: absolute; left: -9999px;
    background: var(--surface-solid); color: var(--text);
    padding: 0.7rem 1rem; border-radius: 10px; border: 1px solid var(--border-strong);
}
.skip-link:focus { left: 1rem; top: 1rem; z-index: 100; }

@media (max-width: 860px) {
    .nav-links { gap: 0.9rem; }
    .nav-links .hide-sm { display: none; }
    section { padding: 2.4rem 0; }
}