/* =========================================
   3. شريط التصفح (Navbar)
========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    transform: none;
    width: 100%;
    padding: 20px 50px;
    backdrop-filter: blur(15px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    border-radius: 0;
    background: rgba(10, 15, 28, 0.4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    color: white;
    font-size: 24px;
    font-weight: 900;
    text-decoration: none;
}
.logo i {
    color: var(--primary-color);
}

nav ul {
    display: flex;
    gap: 40px;
    list-style: none;
    font-size: 18px;
    font-weight: 700;
}
nav ul li a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    transition: 0.3s;
    position: relative;
}
nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -6px;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}
nav ul li a:hover::after {
    width: 100%;
}
nav ul li a:hover {
    color: var(--primary-color);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 25px;
    font-weight: 700;
    font-size: 16px;
}

/* =========================================
   4. الأزرار ومبدل الثيم (Buttons & Toggle)
========================================= */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding-bottom: 4px;
    transition: 0.3s;
}
.theme-toggle i {
    color: #ffd43b;
    font-size: 15px;
}
.theme-toggle span {
    font-size: 15px;
    font-weight: 500;
    color: white;
}

.sign-btn {
    padding: 10px 32px;
    border-radius: 50px;
    background: rgba(0, 242, 254, 0.05);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 800;
    font-size: 15px;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}
.sign-btn:hover {
    background: var(--primary-color);
    color: #05080f;
    box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
    transform: translateY(-2px); 
}
@media screen and (max-width: 768px) {
  /* الكود ده هيخلي الصور متخرجش برة شاشة الموبايل */
  img {
    max-width: 100% !important;
    height: auto !important;
  }
}