/* =====================================================================
   Yürütme Kurulu'ndan — Public sayfa
   Kurumsal lacivert, efektli (constellation) arka plan + üye kartları
   ===================================================================== */

.yk-main {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(1200px 600px at 15% -10%, rgba(37, 99, 175, .45), transparent 60%),
        radial-gradient(1000px 700px at 100% 20%, rgba(15, 74, 138, .40), transparent 55%),
        linear-gradient(160deg, #0a1f44 0%, #0c2551 45%, #0a1c3f 100%);
    color: #eaf1fb;
}

.yk-bg-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.yk-bg-overlay {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(900px 500px at 50% 0%, rgba(96, 152, 224, .18), transparent 60%);
}

.yk-container {
    position: relative;
    z-index: 1;
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------------- HERO / MESAJ ---------------- */
.yk-hero {
    position: relative;
    z-index: 1;
    padding: 84px 0 48px;
    text-align: center;
}

.yk-hero-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.yk-hero-kicker {
    margin: 0 0 18px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: #8fb6e6;
    text-align: center;
}

.yk-hero-title {
    margin: 0 0 26px;
    font-size: clamp(30px, 4.4vw, 52px);
    font-weight: 800;
    line-height: 1.1;
    color: #ffffff;
    letter-spacing: -.01em;
    text-align: center;
    width: 100%;
}

.yk-hero-selam {
    margin: 0 auto 22px;
    max-width: 720px;
    font-size: clamp(15px, 1.7vw, 18px);
    font-weight: 700;
    color: #dbe7f8;
    text-align: center;
}

.yk-hero-mesaj {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.yk-hero-mesaj p {
    margin: 0 0 18px;
    font-size: clamp(14px, 1.5vw, 16.5px);
    line-height: 1.85;
    color: #c4d5ee;
    text-align: center;
}

.yk-hero-mesaj p:last-child {
    margin-bottom: 0;
}

/* ---------------- ÜYELER ---------------- */
.yk-uyeler-section {
    position: relative;
    z-index: 1;
    padding: 40px 0 96px;
}

.yk-uyeler-head {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 44px;
}

.yk-uyeler-badge {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 999px;
    background: #ffffff;
    color: #0c2551;
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(3, 20, 55, .35);
    margin-bottom: 22px;
}

.yk-uyeler-title {
    margin: 0 0 16px;
    font-size: clamp(24px, 3.2vw, 34px);
    font-weight: 800;
    color: #ffffff;
}

.yk-uyeler-desc {
    margin: 0;
    font-size: clamp(14px, 1.5vw, 16px);
    line-height: 1.8;
    color: #b9cbe8;
}

.yk-uye-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.yk-uye-card {
    position: relative;
    background: #f6f9ff;
    border: 1px solid rgba(255, 255, 255, .6);
    border-radius: 18px;
    padding: 40px 24px 26px;
    text-align: center;
    box-shadow: 0 18px 45px rgba(4, 18, 48, .35);
    transition: transform .25s ease, box-shadow .25s ease;
}

.yk-uye-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 26px 60px rgba(4, 18, 48, .45);
}

.yk-uye-avatar {
    width: 148px;
    height: 148px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, #dbe9fb, #b9d2f2);
    border: 4px solid #ffffff;
    box-shadow: 0 10px 24px rgba(29, 69, 139, .25);
}

.yk-uye-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.yk-uye-initials {
    font-size: 46px;
    font-weight: 800;
    color: #1d458b;
    letter-spacing: .02em;
}

.yk-uye-ad {
    margin: 0 0 6px;
    font-size: 18px;
    font-weight: 800;
    color: #0c2551;
}

.yk-uye-unvan {
    margin: 0 0 4px;
    font-size: 13px;
    font-weight: 700;
    color: #c07a12;
}

.yk-uye-bolum {
    margin: 0 0 16px;
    font-size: 14px;
    color: #5b6b85;
}

.yk-uye-mail {
    display: inline-block;
    font-size: 13.5px;
    font-weight: 600;
    color: #1d6fd0;
    text-decoration: none;
    word-break: break-word;
}

.yk-uye-mail:hover {
    text-decoration: underline;
}

.yk-uye-links {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #e3ebf7;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.yk-uye-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 999px;
    transition: background .2s ease, color .2s ease;
}

.yk-uye-link--linkedin {
    background: #0a66c2;
    color: #fff;
}

.yk-uye-link--linkedin:hover {
    background: #08529c;
}

.yk-uye-link--bogazici {
    background: #eef3fb;
    color: #1d458b;
}

.yk-uye-link--bogazici:hover {
    background: #dfe9f8;
}

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 900px) {
    .yk-uye-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .yk-hero {
        padding: 60px 0 36px;
    }
    .yk-uye-grid {
        grid-template-columns: 1fr;
    }
    .yk-container {
        padding: 0 18px;
    }
    .yk-hero-title {
        gap: 10px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .yk-bg-canvas {
        display: none;
    }
}