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

body {
    background-color: black;
    overflow-x: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* ===== شاشة الفيديو ===== */
#splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 1000;
    background: black;
}

#intro-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#skip-btn {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: transparent;
    color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(255, 215, 170, 0.3);
    backdrop-filter: blur(5px);
    padding: 12px 40px;
    font-size: 18px;
    letter-spacing: 3px;
    border-radius: 30px;
    cursor: pointer;
    transition: 0.3s;
    z-index: 1001;
}

#skip-btn:hover {
    background: rgba(255, 140, 50, 0.2);
    color: white;
    border-color: #ff9f4b;
    box-shadow: 0 0 20px #ff7e2e;
}

/* ===== الموقع الرئيسي ===== */
#main-site {
    position: relative;
    width: 100%;
    min-height: 100vh;
    background: radial-gradient(circle at 50% 50%, #0a0a0a, #000000);
    opacity: 0;
    transition: opacity 1.5s ease;
    overflow: hidden;
}

#main-site.show {
    opacity: 1;
}

/* طبقات الثقب الأسود */
.black-hole-container {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* النجوم */
.stars {
    position: absolute;
    width: 100%;
    height: 100%;
    background: transparent;
    animation: rotate 200s linear infinite;
}

.stars::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 30%, white 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
}

/* التوهج الخارجي */
.glow {
    position: absolute;
    width: 80vmin;
    height: 80vmin;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 40%, 
        rgba(255, 140, 0, 0.4) 0%,
        rgba(200, 80, 0, 0.3) 30%,
        transparent 70%);
    filter: blur(20px);
    animation: pulse 8s ease-in-out infinite;
}

/* الحلقة المضيئة */
.ring {
    position: absolute;
    width: 60vmin;
    height: 60vmin;
    border-radius: 50%;
    border: 3px solid rgba(255, 120, 20, 0.3);
    box-shadow: 0 0 50px #ff6000, 0 0 100px #ff4500 inset;
    transform: rotateX(75deg) rotateY(10deg);
    animation: spin 15s linear infinite;
}

/* قلب الثقب الأسود */
.core {
    position: absolute;
    width: 25vmin;
    height: 25vmin;
    border-radius: 50%;
    background: black;
    box-shadow: 0 0 30px #ff5500, 0 0 0 4px rgba(255, 100, 0, 0.3);
}

/* تأثير عدسة الجاذبية */
.lens-effect {
    position: absolute;
    width: 70vmin;
    height: 70vmin;
    border-radius: 50%;
    background: radial-gradient(circle at 25% 35%, 
        rgba(255, 200, 150, 0.2) 0%,
        transparent 60%);
    filter: blur(15px);
    mix-blend-mode: screen;
    animation: distort 12s ease-in-out infinite alternate;
}

/* المحتوى النصي */
.content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
    animation: float 6s ease-in-out infinite;
}

.content h1 {
    font-size: 4rem;
    color: #ffcba4;
    text-shadow: 0 0 20px #ff7b2b, 0 0 40px #ff5100;
    margin-bottom: 10px;
    letter-spacing: 5px;
}

.content h2 {
    font-size: 2.5rem;
    color: rgba(255, 215, 175, 0.8);
    text-shadow: 0 0 15px #ff7e2e;
    margin-bottom: 20px;
    letter-spacing: 8px;
}

.content p {
    font-size: 1.2rem;
    color: #cca88a;
    letter-spacing: 3px;
}

/* الحركات */
@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

@keyframes spin {
    from { transform: rotateX(75deg) rotateY(10deg) rotate(0deg); }
    to { transform: rotateX(75deg) rotateY(10deg) rotate(360deg); }
}

@keyframes distort {
    0% { transform: scale(1) rotate(0deg); opacity: 0.3; }
    100% { transform: scale(1.3) rotate(5deg); opacity: 0.6; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* طبقات إضافية للعمق */
.black-hole-container::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 40%, #ff8c42 0%, transparent 40%);
    opacity: 0.1;
    filter: blur(50px);
}

.black-hole-container::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(45deg, 
        transparent 0px, 
        transparent 20px,
        rgba(255, 140, 0, 0.02) 20px,
        rgba(255, 140, 0, 0.02) 40px);
}