:root {
    --primary: #0d6efd;
    --dark: #1a1e21;
    --accent: #0dcaf0;
    --bg: #f8f9fa;
    --card-bg: #ffffff;
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: #333;
    overflow-x: hidden;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Header & Profile Animation */
header {
    background: linear-gradient(135deg, var(--dark) 0%, #2c3e50 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
    border-radius: 0 0 40px 40px;
    position: relative;
    overflow: hidden;
}

.profile-container {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 0 auto 20px;
}

.profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.8);
    position: relative;
    z-index: 2;
    transition: var(--transition);
    animation: float 4s ease-in-out infinite; /* أنيميشن التحريك للأعلى والأسفل */
}

/* تأثير الإضاءة الدوارة خلف الصورة */
.img-glow {
    position: absolute;
    top: -5px; left: -5px; right: -5px; bottom: -5px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary), var(--accent), var(--primary));
    z-index: 1;
    animation: rotateGlow 3s linear infinite;
    filter: blur(10px);
    opacity: 0.7;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

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

/* Grid & Cards */
.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: -40px; /* لرفع الكروت فوق الهيدر قليلاً */
    padding-bottom: 50px;
}

.card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border-top: 5px solid var(--accent-color, var(--primary));
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

/* Skills Tags */
.skills-tags span {
    display: inline-block;
    background: #f1f3f5;
    padding: 6px 15px;
    border-radius: 50px;
    margin: 5px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark);
    border: 1px solid #e9ecef;
}

/* Form Styles */
.contact-section { grid-column: 1 / -1; }
input, textarea {
    width: 100%;
    padding: 15px;
    margin: 10px 0;
    border: 2px solid #eee;
    border-radius: 12px;
    outline: none;
    transition: 0.3s;
}

input:focus, textarea:focus { border-color: var(--primary); }

.submit-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 12px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.submit-btn:hover { background: #0056b3; letter-spacing: 1px; }

/* Reveal Animation Class */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}