:root {
    --primary-dark: #16757b;
    --primary: #1db4bd;
    --primary-mid: #137c82;
    --primary-light: #039b9e;
    --primary-accent: #00a9ac;
    --bg-white: #f8fdfa;
    --bg-blur: rgba(255,255,255,0.9);
    --text-dark: #2c3e50;
    --text-gray: #5d6d7e;
    --shadow: 0 10px 30px rgba(22, 117, 123, 0.08);
}

* { box-sizing: border-box; margin:0; padding:0; scroll-behavior:smooth; outline:none; }
body { font-family:'Tajawal', sans-serif; background-color: var(--bg-white); color: var(--text-dark); line-height:1.6; }

/* --- الهيدر --- */
header {
    position: sticky; top:0; width:100%; z-index:1000;
    background: var(--bg-blur); backdrop-filter: blur(10px);
    border-bottom:1px solid rgba(0,0,0,0.05); padding:15px 0;
}
.container { width:90%; max-width:1200px; margin:0 auto; padding:0 15px; }
.header-content { display:flex; justify-content: space-between; align-items:center; }
.header {
    /* إضافة مسافة من اليسار */
    padding-left: 20px;
}

.logo {
    /* إضافة مسافة من اليمين للشعار */
    margin-right: 20px;
}

.logo img { height:50px; display:block; margin:0 auto; }
nav ul { display:flex; list-style:none; gap:20px; }
nav a { text-decoration:none; color: var(--primary-dark); font-weight:700; font-size:1rem; }

/* زر قائمة الهاتف */
.menu-toggle { display:none; cursor:pointer; font-size:1.5rem; color: var(--primary-dark); }
.menu-toggle span { display:block; width:25px; height:3px; margin:5px 0; background: var(--primary-dark); border-radius:2px; }

nav { transition:0.3s; }
nav ul { flex-direction: row; }
nav ul li { text-align:right; }

/* --- محتوى المقال --- */
.article-content {
    padding: 120px 0 60px;
    max-width: 800px;
    margin: 0 auto;
}
.article-content h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-dark);
}
.article-content h2 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--primary-mid);
}
.article-content p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    line-height: 1.8;
}
.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 20px 0;
    box-shadow: var(--shadow);
}

/* --- الأزرار --- */
.whatsapp-button, .back-home {
    display: inline-block;
    padding: 12px 25px;
    margin: 10px 10px 10px 0;
    text-decoration: none;
    color: #fff;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
    background-size: 200% auto;
}

.whatsapp-button {
    background-image: linear-gradient(to right, #25D366, #128C7E, #25D366);
}

.back-home {
    background-image: linear-gradient(to right, var(--primary), var(--primary-dark), var(--primary));
}

.whatsapp-button:hover, .back-home:hover {
    background-position: right center;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}


/* --- الفوتر --- */
footer {
    background: #f0fcff;
    padding: 60px 0;
    border-top: 1px solid #eee;
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}
.section-title {
    text-align:center;
    font-size: 2.2rem;
    color: var(--primary-dark);
    margin-bottom: 40px;
}
.contact-form input, .contact-form textarea { width:100%; padding:15px; margin-bottom:15px; border:1px solid #ddd; border-radius:8px; font-family:inherit; }
.btn-main  {
    background: linear-gradient(90deg, #16757b, #1db4bd, #137c82, #039b9e, #00a9ac);
    color:#fff;
    padding:12px 30px;
    border-radius:50px;
    text-decoration:none;
    border:none;
    cursor:pointer;
    font-size:1rem;
    display:inline-block;
    margin-top:15px;
    transition:0.3s;
}
.btn-main:hover {
    filter: brightness(110%);
}

/* --- واتساب عائم --- */
.whatsapp-float { position:fixed; bottom:30px; left:30px; width:70px; height:70px; display:flex; align-items:center; justify-content:center; z-index:999; animation:bounce 2s infinite; }
.whatsapp-float img { width:40px; height:40px; }

@keyframes fadeIn { from {opacity:0; transform:translateY(10px);} to {opacity:1; transform:translateY(0);} }
@keyframes bounce { 0%,100%{transform:translateY(0);} 50%{transform:translateY(-10px);} }


@media (max-width:768px) {
    .menu-toggle { display:block; }
    nav { display:none; position: absolute; top: 70px; right: 0; background: #fff; width: 100%; box-shadow: 0 10px 20px rgba(0,0,0,0.05); }
    nav.active { display: block; }
    nav ul { flex-direction: column; padding: 20px; }
    nav ul li { text-align: right; margin-bottom: 10px; }

    .article-content { padding-top: 100px; }
}