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

/* XPLAY GAME logosuna göre RGB neon tema
   Kırmızı (sol üst) - Yeşil (sağ üst) - Mor (sol alt) - Mavi (sağ alt) */
:root {
    --bg: #030304;
    --card: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.08);
    --text: #f2f4fb;
    --muted: #8f97ac;
    --red: #ff2d2d;
    --orange: #ff9500;
    --green: #2bff5e;
    --purple: #c02dff;
    --blue: #2da8ff;
    --cyan: #7de3ff;
    --wa: #25d366;
    --tg: #2aabee;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    overflow-x: hidden;
}

/* Logonun 4 köşe rengini yansıtan arka plan ışımaları */
.bg-glow {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(560px 400px at 12% 8%,  rgba(255, 45, 45, 0.13),  transparent 60%),
        radial-gradient(560px 400px at 88% 8%,  rgba(43, 255, 94, 0.10),  transparent 60%),
        radial-gradient(560px 400px at 12% 92%, rgba(192, 45, 255, 0.13), transparent 60%),
        radial-gradient(560px 400px at 88% 92%, rgba(45, 168, 255, 0.13), transparent 60%);
    animation: glow-breathe 6s ease-in-out infinite;
}

@keyframes glow-breathe {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.55; }
}

#particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

/* ---------- Açılış animasyonu ---------- */
.fade-up {
    opacity: 0;
    transform: translateY(14px);
    animation: fade-up 0.6s ease forwards;
}

.d1 { animation-delay: 0.05s; }
.d2 { animation-delay: 0.15s; }
.d3 { animation-delay: 0.25s; }
.d4 { animation-delay: 0.35s; }
.d5 { animation-delay: 0.45s; }
.d6 { animation-delay: 0.55s; }

@keyframes fade-up {
    to { opacity: 1; transform: translateY(0); }
}

.card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 440px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 26px;
    padding: 34px 28px 28px;
    text-align: center;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.6);
    overflow: hidden;
}

/* Kartın üst kenarında akan RGB şerit */
.card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        var(--red), var(--orange), var(--green),
        var(--cyan), var(--blue), var(--purple), var(--red));
    background-size: 300% 100%;
    animation: rgb-flow 5s linear infinite;
}

@keyframes rgb-flow {
    0% { background-position: 0% 0; }
    100% { background-position: 300% 0; }
}

/* ---------- 3D Logo ---------- */
.logo-wrap { margin-bottom: 6px; }

.logo-scene {
    display: inline-block;
    perspective: 800px;
    cursor: grab;
    touch-action: none;      /* Mobilde sürükleme sayfayı kaydırmasın */
    user-select: none;
    -webkit-user-select: none;
}

.logo-scene.grabbing { cursor: grabbing; }

.logo-3d {
    position: relative;
    display: inline-block;
    transform-style: preserve-3d;
    will-change: transform;
}

/* Zemin gölgesi: logonun altında yumuşak bir elips — obje havada değil,
   bir yüzeyin üstünde duruyormuş hissi verir, hacmi güçlendirir */
.logo-3d::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -18px;
    width: 62%;
    height: 22px;
    transform: translateX(-50%) translateZ(-30px);
    background: radial-gradient(ellipse at center, rgba(0,0,0,0.55), rgba(0,0,0,0));
    filter: blur(6px);
    pointer-events: none;
}

.logo {
    width: 230px;
    height: auto;
    display: block;
}

/* Ön yüz: kalınlığın en önünde duran, renkli-parlak yüz.
   Arkadan bakılınca gizlenir; yerine doğru okunan arka yüz görünür. */
.logo-front {
    position: relative;
    transform: translateZ(7px);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    filter:
        drop-shadow(0 0 14px rgba(192, 45, 255, 0.28))
        drop-shadow(0 0 30px rgba(45, 168, 255, 0.16));
}

/* Kalınlık katmanları: aynı X'in karartılmış kopyaları derinlik boyunca
   üst üste dizilir. Head-on bakışta ön yüzün arkasında saklıdırlar; logo
   yatınca kenarları basamaklanıp SOM bir yan duvar (hacim) oluşturur. */
.logo-layer {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    transform: translateZ(calc(var(--z) * 1px));
    pointer-events: none;
    /* Yan duvar rengi: logonun 4 köşe renginden (kırmızı-yeşil-mor-mavi)
       oluşan neon rainbow dolgu. X şekline maskelenir; koyu kenar taşınmaz */
    background:
        linear-gradient(135deg,
            #ff2d2d 0%, #ff7a00 22%, #2bff5e 45%,
            #2da8ff 68%, #c02dff 100%);
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
    -webkit-mask-size: contain;
    mask-size: contain;
    /* Öne doğru parlak, arkaya doğru koyu: keskin, oturaklı metalik kenar */
    filter: brightness(calc(0.5 + (var(--z) + 6) * 0.028)) saturate(1.5) contrast(1.1);
}

/* Arka yüz: 180° çevrilir ki arkadan bakınca yazı ters değil düz okunsun */
.logo-back {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    transform: translateZ(-7px) rotateY(180deg);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    filter:
        drop-shadow(0 0 22px rgba(192, 45, 255, 0.4))
        drop-shadow(0 0 44px rgba(45, 168, 255, 0.25));
}

.logo-placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 110px;
    height: 110px;
    border-radius: 26px;
    font-size: 46px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--purple), var(--blue));
    box-shadow: 0 8px 34px rgba(192, 45, 255, 0.4);
}

/* ---------- Başlık ---------- */
h1 {
    font-size: 27px;
    font-weight: 800;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    background: linear-gradient(180deg, #ffffff 30%, #9fc8ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(125, 227, 255, 0.35);
}

.desc {
    color: var(--muted);
    font-size: 14.5px;
    letter-spacing: 0.3px;
    margin: 8px 0 18px;
}

/* ---------- Duyuru bandı ---------- */
.announce {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 11px 16px;
    margin-bottom: 16px;
    border-radius: 12px;
    background: linear-gradient(90deg, rgba(255, 45, 45, 0.09), rgba(192, 45, 255, 0.09), rgba(45, 168, 255, 0.09));
    border: 1px solid rgba(192, 45, 255, 0.25);
    color: var(--text);
    font-size: 13.5px;
    font-weight: 600;
    animation: announce-glow 3s ease-in-out infinite;
}

@keyframes announce-glow {
    0%, 100% { box-shadow: 0 0 0 rgba(192, 45, 255, 0); }
    50% { box-shadow: 0 0 18px rgba(192, 45, 255, 0.22); }
}

.announce-icon { font-size: 15px; }

/* ---------- Özellik rozetleri ---------- */
.features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.feature-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 13px;
    border-radius: 100px;
    background: rgba(43, 255, 94, 0.07);
    border: 1px solid rgba(43, 255, 94, 0.22);
    color: #9fe8b4;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.feature-pill svg { color: var(--green); }

/* ---------- İletişim butonları ---------- */
.contact-btns {
    display: flex;
    gap: 12px;
    margin-bottom: 18px;
}

.btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 14px 10px;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.btn:hover { transform: translateY(-2px); filter: brightness(1.1); }
.btn:active { transform: translateY(0); }

.btn-wa {
    background: linear-gradient(135deg, #16a34a, var(--wa));
    box-shadow: 0 6px 26px rgba(37, 211, 102, 0.35);
}

.btn-tg {
    background: linear-gradient(135deg, #1673b8, var(--tg));
    box-shadow: 0 6px 26px rgba(42, 171, 238, 0.35);
}

/* ---------- Linkler ---------- */
.links {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 22px;
}

.link-btn {
    position: relative;
    display: block;
    padding: 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    color: var(--text);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

/* Her linke logodaki bir rengin vurgusu (sırayla döner) */
.links .link-btn:nth-child(4n+1):hover { border-color: rgba(255, 45, 45, 0.55);  box-shadow: 0 4px 24px rgba(255, 45, 45, 0.2);  }
.links .link-btn:nth-child(4n+2):hover { border-color: rgba(43, 255, 94, 0.5);   box-shadow: 0 4px 24px rgba(43, 255, 94, 0.16); }
.links .link-btn:nth-child(4n+3):hover { border-color: rgba(192, 45, 255, 0.55); box-shadow: 0 4px 24px rgba(192, 45, 255, 0.2); }
.links .link-btn:nth-child(4n+4):hover { border-color: rgba(45, 168, 255, 0.55); box-shadow: 0 4px 24px rgba(45, 168, 255, 0.2); }

.link-btn:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.07);
}

/* ---------- Referans Siteler ---------- */
.refs { margin-bottom: 4px; }

.refs-title {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    margin-bottom: 14px;
}

/* Başlığın iki yanına ince çizgi */
.refs-title::before,
.refs-title::after {
    content: "";
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border));
}

.refs-title::after {
    background: linear-gradient(90deg, var(--border), transparent);
}

.refs-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

/* Kartlar 2'li dizilir; tek kart kaldığında ortalanır */
.refs-grid .ref-card {
    flex: 0 1 calc(50% - 5px);
    min-width: 130px;
}

.ref-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 13px 8px 11px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid var(--border);
    text-decoration: none;
    transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.ref-card:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.06);
}

/* Referans kartları da sırayla logo renkleriyle parlar */
.refs-grid .ref-card:nth-child(6n+1):hover { border-color: rgba(255, 45, 45, 0.5);  box-shadow: 0 4px 20px rgba(255, 45, 45, 0.18);  }
.refs-grid .ref-card:nth-child(6n+2):hover { border-color: rgba(255, 149, 0, 0.5);  box-shadow: 0 4px 20px rgba(255, 149, 0, 0.16);  }
.refs-grid .ref-card:nth-child(6n+3):hover { border-color: rgba(43, 255, 94, 0.45); box-shadow: 0 4px 20px rgba(43, 255, 94, 0.14);  }
.refs-grid .ref-card:nth-child(6n+4):hover { border-color: rgba(125, 227, 255, 0.5); box-shadow: 0 4px 20px rgba(125, 227, 255, 0.16); }
.refs-grid .ref-card:nth-child(6n+5):hover { border-color: rgba(45, 168, 255, 0.5); box-shadow: 0 4px 20px rgba(45, 168, 255, 0.18); }
.refs-grid .ref-card:nth-child(6n+6):hover { border-color: rgba(192, 45, 255, 0.5); box-shadow: 0 4px 20px rgba(192, 45, 255, 0.18); }

/* Geniş (banner tipi) logo alanı — logo kırpılmadan sığdırılır */
.ref-logo {
    width: 100%;
    height: 58px;
    border-radius: 10px;
    object-fit: contain;
}

.ref-ph {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, #2a2a3a, #16161f);
    border: 1px solid var(--border);
}

.ref-name {
    color: var(--muted);
    font-size: 11.5px;
    font-weight: 600;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ref-card:hover .ref-name { color: var(--text); }

/* ---------- Alt bilgi ---------- */
.footer {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 11.5px;
    letter-spacing: 0.4px;
}

/* Hareket azaltma tercihi olan kullanıcılar için animasyonları kapat */
@media (prefers-reduced-motion: reduce) {
    .bg-glow, .card::before, .announce { animation: none; }
    .fade-up { opacity: 1; transform: none; animation: none; }
}