/* --- متغيرات الألوان والخطوط --- */
:root {
    --primary: #f1c40f;   /* أصفر شمسي */
    --secondary: #27ae60; /* أخضر طبيعة */
    --dark: #2c3e50;      /* كحلي غامق للنصوص */
    --light: #ecf0f1;     /* خلفيات فاتحة */
    --border: #e0e0e0;    /* لون الحدود */
    --font-main: 'Cairo', sans-serif;
}

/* --- إعادة تعيين وتأسيس --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--dark);
    line-height: 1.7;
    background: #ffffff;
}

ul { list-style: none; }

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

/* --- أدوات مساعدة --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-padding { padding: 80px 0; }
.bg-light { background-color: #f9f9f9; }

/* --- العناوين --- */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 10px;
}

.line-deco {
    width: 60px;
    height: 3px;
    background: var(--primary);
    margin: 0 auto;
}

/* --- الأزرار --- */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border: 2px solid transparent;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.btn-primary {
    background: var(--primary);
    color: var(--dark);
}

.btn-primary:hover {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline {
    border-color: #fff;
    color: #fff;
    margin-right: 15px;
}

.btn-outline:hover {
    background: #fff;
    color: var(--dark);
}

.btn-block {
    width: 100%;
    border: 2px solid var(--secondary);
    background: var(--secondary);
    color: white;
}

.btn-block:hover {
    background: transparent;
    color: var(--secondary);
}

/* --- Navbar القائمة العلوية --- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: #fff;
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    height: 70px;
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
}

.logo span { color: var(--primary); }
.logo img { height: 40px; vertical-align: middle; }

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links li { margin-left: 30px; }

.nav-links a {
    font-weight: 600;
    font-size: 1.1rem;
}

.nav-links a:hover { color: var(--primary); }

.nav-btn {
    background: var(--secondary);
    color: #fff !important;
    padding: 8px 20px;
    border-radius: 0;
}

/* Hamburger Menu Icon */
.burger { display: none; cursor: pointer; }
.burger div {
    width: 25px;
    height: 3px;
    background: var(--dark);
    margin: 5px;
    transition: 0.3s;
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    position: relative;
    background: url('/IMG/bg.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.158);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero-content h1 span { color: var(--primary); }

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- About & Skills (Flat Grid) --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-text-card {
    background: #ffffff04;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 12px 30px rgba(44,62,80,0.08), 0 4px 8px rgba(44,62,80,0.04);
    transition: box-shadow 0.35s cubic-bezier(.2,.8,.2,1);
}

.about-text-card h3 { margin-bottom: 15px; color: var(--dark); }

.info-list li { margin: 10px 0; color: #555; }
.info-list i { color: var(--secondary); margin-left: 10px; }

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.skill-card {

    padding: 25px;
    text-align: center;
    transition: 0.3s;
    cursor: default;
     background: #ffffff04;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 12px 30px rgba(44,62,80,0.08), 0 4px 8px rgba(44,62,80,0.04);
    transition: box-shadow 0.35s cubic-bezier(.2,.8,.2,1);
}

.skill-card:hover {
    border-color: var(--primary);
    background: #fffdf0;
}

.skill-card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.skill-card h4 { margin-bottom: 5px; }
.skill-card p { font-size: 0.9rem; color: #777; }

/* --- Projects (Flat Card No Shadow) --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    border-radius: 20px;
    background: #fff;
    transition: 0.3s;
    box-shadow: 0 12px 30px rgba(44,62,80,0.08), 0 4px 8px rgba(44,62,80,0.04);

}

.project-card:hover {
    border-color: var(--secondary);
    transform: translateY(-5px) scale(1.03);
    will-change: transform;
}

.project-img {
    height: 220px;
    position: relative;
    overflow: hidden;
    border-radius: 20px;
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s;
}

.project-card:hover .project-img img { transform: scale(1.05); }

.category-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #ffffff; 
    border-radius: 5px;
    padding: 5px 15px;
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--dark);
}

.project-info { padding: 25px;
}
.project-info h3 { font-size: 1.2rem; margin-bottom: 10px; }
.read-more { color: var(--secondary); font-weight: bold; font-size: 0.9rem; }

/* --- Contact Section --- */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin: 20px 0;
    font-size: 1.1rem;
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    border-radius: 50%;
    margin-left: 15px;
}

.contact-form { background: #fff; }

.form-group { position: relative; margin-bottom: 20px; }

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border);
    outline: none;
    font-family: inherit;
    font-size: 1rem;
    background: transparent;
    transition: 0.3s;
}

.form-group textarea { resize: vertical; }

.form-group label {
    position: absolute;
    top: 15px;
    right: 15px;
    color: #999;
    pointer-events: none;
    transition: 0.3s;
}

/* تأثير الـ Floating Label */
.form-group input:focus,
.form-group input:not(:placeholder-shown),
.form-group textarea:focus,
.form-group textarea:not(:placeholder-shown) {
    border-color: var(--secondary);
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    right: 10px;
    background: #fff;
    padding: 0 5px;
    font-size: 0.8rem;
    color: var(--secondary);
}
/* --- تنسيق السلايدر (Slider Styles) --- */
.slider-wrapper {
    position: relative;
    overflow: hidden; /* إخفاء العناصر خارج الإطار */
    padding: 20px 0;
    margin: 0 auto;
}

/* المسار المتحرك */
.slider-track {
    display: flex;
    gap: 20px;
    transition: transform 0.5s ease-in-out; /* حركة ناعمة */
    width: max-content; /* العرض يتناسب مع المحتوى */
}

/* كرت المشروع داخل السلايدر */
.slide-card {
    min-width: 300px; /* عرض ثابت لكل كرت */
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 4px; /* حواف ناعمة جداً */
    overflow: hidden;
    user-select: none; /* منع تحديد النص أثناء السحب */
    border-radius: 20px;
}

.slide-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.slide-info {
    padding: 15px;
    text-align: center;
}

.slide-info h4 {
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 5px;
}

.slide-info p {
    font-size: 0.9rem;
    color: #777;
}

/* أزرار التنقل */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: #fff;
    border: 1px solid var(--border);
    color: var(--dark);
    width: 40px;
    height: 40px;
    border-radius: 50%; /* شكل دائري */
    cursor: pointer;
    z-index: 10;
    transition: 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--dark);
}

.prev-btn { right: 0; } /* الزر اليمين */
.next-btn { left: 0; }  /* الزر اليسار */

/* إخفاء الأزرار في الشاشات الصغيرة جداً لتحسين العرض */
@media (max-width: 480px) {
    .slide-card { min-width: 100%; } /* الكرت يأخذ عرض الشاشة بالكامل */
}
/* --- Footer --- */
footer {
    background: var(--dark);
    color: #fff;
    padding: 30px 0;
    border-top: 5px solid var(--primary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.social-links a {
    color: #fff;
    margin-right: 15px;
    font-size: 1.2rem;
}

.social-links a:hover { color: var(--primary); }

/* --- تجاوب الشاشات (Responsive) --- */
@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0;
        top: 70px;
        height: calc(100vh - 70px);
        background: #fff;
        flex-direction: column;
        width: 70%;
        transform: translateX(100%);
        transition: 0.5s ease-in;
        border-left: 1px solid var(--border);
        padding-top: 50px;
    }

    .nav-links.nav-active { transform: translateX(0%); }

    .nav-links li { margin: 20px 0; }

    .burger { display: block; }

    .hero-content h1 { font-size: 2.5rem; }

    .about-grid,
    .contact-container { grid-template-columns: 1fr; }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
}