/* =========================================================
   Urtipuul – Hakkında sayfası (hakkinda.html)
   Ayrı dosya: HTML içinde satır içi kod/stil kalmaz.
========================================================= */

:root {
    --bg: #050d18;
    --bg-2: #0b1b2f;
    --panel: rgba(255, 255, 255, 0.045);
    --border: rgba(255, 255, 255, 0.10);
    --text: #f2f7ff;
    --muted: #9fb0c9;
    --accent: #5a27ba;
    --accent-2: #00BAFF;
    --accent-3: #00ff66;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(900px 520px at 12% -8%, rgba(90, 39, 186, 0.42), transparent 60%),
        radial-gradient(760px 480px at 90% 4%, rgba(0, 186, 255, 0.20), transparent 62%),
        linear-gradient(160deg, var(--bg) 0%, var(--bg-2) 55%, #04101c 100%);
    color: var(--text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent-2);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ── Üst bar ─────────────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 22px;
    background: rgba(5, 13, 24, 0.82);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(14px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-size: 19px;
    font-weight: 900;
    letter-spacing: -0.3px;
}

.brand:hover {
    text-decoration: none;
}

.brand img {
    border-radius: 10px;
    display: block;
}

.header-nav {
    display: inline-flex;
    align-items: center;
    gap: 18px;
    font-size: 14px;
    font-weight: 600;
}

.header-nav a {
    color: var(--muted);
}

.header-nav a[aria-current="page"] {
    color: var(--text);
}

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

.btn-join {
    padding: 9px 16px;
    border-radius: 999px;
    color: #fff !important;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 8px 24px rgba(0, 186, 255, 0.25);
}

/* ── İçerik ──────────────────────────────────────────────── */
.wrap {
    max-width: 880px;
    margin: 0 auto;
    padding: 56px 22px 40px;
}

.eyebrow {
    display: inline-block;
    margin: 0 0 12px;
    padding: 4px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--accent-3);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    background: rgba(0, 255, 102, 0.07);
}

h1 {
    margin: 0 0 18px;
    font-size: clamp(30px, 5vw, 46px);
    line-height: 1.15;
    letter-spacing: -1.2px;
    background: linear-gradient(120deg, #ffffff 20%, #9ad7ff 60%, #b48cff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 {
    margin: 44px 0 14px;
    font-size: clamp(21px, 3vw, 27px);
    letter-spacing: -0.5px;
}

h3 {
    margin: 0 0 4px;
    font-size: 19px;
}

.lead {
    margin: 0;
    padding: 20px 22px;
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent-2);
    border-radius: 14px;
    background: var(--panel);
    color: #d7e3f4;
    font-size: 17px;
}

.checklist {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 12px;
}

.checklist li {
    position: relative;
    padding: 14px 16px 14px 44px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--panel);
    font-size: 15.5px;
    color: #cfdbeb;
}

.checklist li::before {
    content: "✓";
    position: absolute;
    left: 16px;
    top: 13px;
    color: var(--accent-3);
    font-weight: 900;
}

.checklist strong {
    color: var(--text);
}

/* ── Geliştirici kartı ───────────────────────────────────── */
.person-card {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    margin-top: 16px;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background:
        linear-gradient(135deg, rgba(90, 39, 186, 0.20), rgba(0, 186, 255, 0.08)),
        var(--panel);
}

.person-card p {
    margin: 0 0 10px;
    color: #cfdbeb;
    font-size: 15.5px;
}

.person-card strong {
    color: var(--text);
}

.person-avatar {
    flex: 0 0 auto;
    width: 62px;
    height: 62px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    font-weight: 900;
    font-size: 20px;
    letter-spacing: 0.5px;
}

.person-role {
    margin: 0 0 10px !important;
    color: var(--accent-2) !important;
    font-size: 13px !important;
    font-weight: 800;
    letter-spacing: 0.6px;
    text-transform: uppercase;
}

.person-meta {
    margin: 0 !important;
    color: var(--muted) !important;
    font-size: 13px !important;
}

/* ── SSS ─────────────────────────────────────────────────── */
.faq {
    margin-bottom: 10px;
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--panel);
}

.faq summary {
    cursor: pointer;
    font-weight: 700;
    font-size: 15.5px;
    color: var(--text);
}

.faq summary::marker {
    color: var(--accent-2);
}

.faq p {
    margin: 10px 0 2px;
    color: #b9c8dd;
    font-size: 15px;
}

/* ── Alt çağrı + alt bilgi ───────────────────────────────── */
.cta {
    margin-top: 42px;
    padding: 26px 22px;
    text-align: center;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: linear-gradient(150deg, rgba(90, 39, 186, 0.28), rgba(0, 186, 255, 0.10));
}

.cta p {
    margin: 0 0 14px;
    font-size: 17px;
    font-weight: 700;
}

.btn-primary {
    display: inline-block;
    padding: 13px 26px;
    border-radius: 999px;
    color: #fff;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 10px 28px rgba(90, 39, 186, 0.35);
}

.btn-primary:hover {
    text-decoration: none;
    filter: brightness(1.08);
}

.site-footer {
    padding: 26px 22px 40px;
    text-align: center;
    color: var(--muted);
    font-size: 13px;
    border-top: 1px solid var(--border);
}

.site-footer p {
    margin: 4px 0;
}

.site-footer strong {
    color: var(--text);
}

.footer-links a {
    color: var(--muted);
}

.footer-links a:hover {
    color: var(--text);
}

/* ── Mobil ───────────────────────────────────────────────── */
@media (max-width: 620px) {
    .wrap {
        padding-top: 36px;
    }

    .header-nav {
        gap: 12px;
        font-size: 13px;
    }

    .header-nav a[aria-current="page"] {
        display: none;
    }

    .btn-join {
        padding: 8px 13px;
    }

    .person-card {
        flex-direction: column;
        gap: 14px;
    }
}