*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}
button {
  font: inherit;
}

/* --- 2. استيراد الخطوط المحلية --- */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400; /* Regular */
  src: url('../fonts/Inter-Regular.ttf') format('truetype');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700; /* Bold */
  src: url('../fonts/Inter-Bold.ttf') format('truetype');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 900; /* Black */
  src: url('../fonts/Inter-Black.ttf') format('truetype');
}

/* --- 3. المتغيرات العامة والتنسيقات الأساسية --- */
:root {
   --primary-color: #e53935;
    --text-light: #f5f5f7;
    --text-gray: #86868b;
    --dark-bg: #000000;
    --card-bg: #1a1a1a;
    --border-color: #2a2a2a;
    --font-main: 'Inter', sans-serif;
}
body {
    font-family: var(--font-main);
    background-color: var(--dark-bg);
    color: var(--text-light);
    font-weight: 400;
}
.main-container {
    max-width: 1200px;
    margin: auto;
    padding: 0 4rem;
}
section {
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
}
.section-title {
    font-size: 3rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 4rem;
}
.section-title-small {
    font-weight: 900;
    font-size: 1.2rem; /* <-- تم زيادة حجم الخط */
    color: var(--primary-color);
    letter-spacing: 3px; /* <-- زيادة تباعد الأحرف قليلاً */
    margin-bottom: 1.5rem; /* <-- زيادة الهامش السفلي */
    text-transform: uppercase;
}

/* --- 4. الأزرار والهيدر والـ Navigation --- */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 0;
}
.logo {
    font-weight: 900;
    font-size: 1.5rem;
    letter-spacing: -1px;
}
.logo-dot { color: var(--primary-color); }
nav { display: flex; align-items: center; gap: 1.5rem; }
.nav-link { text-decoration: none; color: var(--text-gray); font-weight: 700; transition: color 0.3s; }
.nav-link.active, .nav-link:hover { color: var(--primary-color); }
.btn {
    background: var(--primary-color);
    color: #fff;
    padding: 0.7rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    display: inline-block;
}
.btn:hover {
    -webkit-transform: scale(1.05);
            transform: scale(1.05);
}
.btn.btn-large { font-size: 1.2rem; padding: 1.2rem 3rem; }

body #hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    
    
    justify-content: flex-start;
    
    text-align: left; 
    position: relative;
    overflow: visible;
}

body #hero .main-headline {
    font-size: 4rem; /* Fallback */
    font-size: clamp(3.5rem, 10vw, 7rem);
    font-weight: 900;
    line-height: 1.0;
    letter-spacing: -4px;
    margin-bottom: 2.5rem;
    text-transform: uppercase;
    color: var(--text-light);
}
body #hero .main-headline span { display: block; }
body #hero .text-gray { color: var(--text-gray); }
body #hero .hero-subtext {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-gray);
    max-width: 500px;
}
body #hero .side-text-hero {
    position: absolute;
    -webkit-writing-mode: vertical-rl;
       -ms-writing-mode: tb-rl;
           writing-mode: vertical-rl;
    -webkit-transform: rotate(180deg);
            transform: rotate(180deg);
    color: var(--text-gray);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    z-index: 5;
}
body #hero .side-text-hero.left-top { top: 5rem; left: -2rem; }
body #hero .side-text-hero.left-bottom { bottom: 5rem; left: -2rem; }

/* --- 6. قسم "عني" --- */
.about-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    align-items: center;
    gap: 4rem;
}
.about-image img {
    width: 100%;
    max-width: 300px;
    border-radius: 10px;
    -webkit-filter: grayscale(100%);
            filter: grayscale(100%);
    transition: filter 0.4s ease;
}
.about-image img:hover {
    -webkit-filter: grayscale(0%);
            filter: grayscale(0%);
}
.about-text p {
    /* font-size: 1.1rem; <-- القيمة القديمة */
    font-size: 1.25rem; /* <-- حجم الخط الجديد ليكون مطابقًا للصورة */
    line-height: 1.8;
    color: var(--text-light);
}
/* --- 7. قسم الخبرات --- */

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}
.expertise-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-light); /* يضمن أن لون النص ثابت */
    text-decoration: none; /* يزيل الخط تحت النص */
    cursor: pointer; /* يحافظ على شكل مؤشر اليد */

    /* -- التعديل الرئيسي هنا -- */
    /* نضيف لون الخلفية إلى الانتقال السلس */
    transition: transform 0.3s, box-shadow 0.3s, background-color 0.3s;
}

.expertise-card:hover {
    /* -- التأثير الجديد -- */
    /* نغير لون الخلفية قليلاً ليعطي إحساسًا بالتفاعل */
    background-color: #2a2a2a; /* يمكنك اختيار درجة أفتح قليلاً من --card-bg */
    
    /* نحافظ على تأثير الرفع والظل */
    -webkit-transform: translateY(-5px); /* تقليل مسافة الرفع قليلاً */
            transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.4);
}

.expertise-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    transition: transform 0.3s; /* انتقال سلس للأيقونة أيضًا */
}

/* تأثير إضافي: تكبير الأيقونة قليلاً عند المرور */
.expertise-card:hover i {
    transform: scale(1.1);
}

.expertise-card h3 {
    font-family: var(--font-main);
    font-size: 1.1rem;
    font-weight: 700;
    /* نضمن أن لون العنوان لا يتغير */
    color: var(--text-light);
}

/* --- 8. الأرقام الخلفية --- */
.section-number-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
            transform: translate(-50%, -50%);
    font-size: 20rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.03);
    z-index: -1;
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
}

/* --- 9. المسيرة المهنية --- */
.journey-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
    max-width: 1100px;
    margin: auto;
}
.journey-card { text-align: left; }
.journey-number {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    color: var(--text-gray);
    font-weight: 700;
}
.journey-card h4 {
    text-transform: uppercase;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}
.journey-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* --- 10. التعليم --- */
.education-container {
    max-width: 900px;
    margin: auto;
}
.education-item {
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: 2rem;
    align-items: flex-start;
    padding: 3rem 0;
    border-bottom: 1px solid var(--border-color);
}
.education-item:last-child { border-bottom: none; }
.education-date span {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-gray);
    display: block;
    text-align: right;
    padding-right: 2rem;
}
.education-details {
    border-left: 2px solid var(--border-color);
    padding-left: 2rem;
}
.education-details h3 {
    font-size: 1.8rem; /* Fallback */
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    line-height: 1.3;
}
.education-details p {
    color: var(--text-light);
    font-weight: 700;
}

/* --- 11. المهارات --- */
.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: auto;
}
.skill-category h4 {
    font-size: 1rem;
    color: var(--text-gray);
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    text-transform: uppercase;
}
.tech-skills { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.tech-skills span {
    background: var(--card-bg);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    border: 1px solid var(--border-color);
    font-weight: 700;
}
.prof-skills { list-style: none; }
.prof-skills li {
    padding: 0.75rem 0;
    color: var(--text-gray);
    position: relative;
    padding-left: 25px;
}
.prof-skills li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--primary-color);
    position: absolute;
    left: 0;
    top: 50%;
    -webkit-transform: translateY(-50%);
            transform: translateY(-50%);
}

/* --- 12. الشهادات وزر "عرض المزيد" --- */
#certificates { padding-bottom: 8rem; }
#certificates .certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
#certificates .certificate-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}
#certificates .certificate-card a {
    text-decoration: none;
    color: inherit;
    display: block;
}
#certificates .certificate-card img {
    width: 100%;
    height: 180px;
    -o-object-fit: cover;
       object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}
#certificates .certificate-card:hover {
    -webkit-transform: translateY(-10px);
            transform: translateY(-10px);
}
#certificates .certificate-card:hover img {
    -webkit-transform: scale(1.05);
            transform: scale(1.05);
}
#certificates .certificate-info {
    padding: 1.5rem;
    flex-grow: 1;
}
#certificates .certificate-info h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}
#certificates .certificate-info p { color: var(--text-gray); }
#certificates .certificate-card:nth-child(n+4) { display: none; }
#certificates.expanded .certificate-card { display: flex !important; }
.load-more-container { text-align: center; margin-top: 3rem; }
#loadMoreCerts {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 0.8rem 2.5rem;
    font-weight: 700;
    transition: all 0.3s ease;
}
#loadMoreCerts:hover {
    background-color: var(--primary-color);
    color: #fff;
}

/* --- 13. الـ Modal التفاعلي --- */
.certificate-icon {
    display: inline-block;
    margin-left: 15px;
    font-size: 1.4rem;
    color: var(--primary-color);
    opacity: 0.6;
    transition: opacity 0.3s, transform 0.3s;
    vertical-align: middle;
}
.certificate-icon:hover {
    opacity: 1;
    -webkit-transform: scale(1.2) rotate(5deg);
            transform: scale(1.2) rotate(5deg);
}
.portfolio-modal .modal-content {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-light);
    box-shadow: 0 10px 40px rgba(0,0,0,0.7);
}
.portfolio-modal .modal-dialog { max-width: 800px; }
.portfolio-modal .modal-body { padding: 2.5rem 3rem; }
.portfolio-modal .btn-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 10;
    -webkit-filter: invert(1) grayscale(100%) brightness(2);
            filter: invert(1) grayscale(100%) brightness(2);
    font-size: 1rem;
    opacity: 0.7;
    transition: opacity 0.3s, transform 0.3s;
}
.portfolio-modal .btn-close:hover {
    opacity: 1;
    -webkit-transform: rotate(90deg);
            transform: rotate(90deg);
}
.portfolio-modal .modal-title {
    font-weight: 900;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-right: 40px;
}
.portfolio-modal .modal-content-area img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
    border: 1px solid var(--border-color);
}
.portfolio-modal .modal-content-area p {
    color: var(--text-gray);
    font-size: 1.1rem;
    line-height: 1.9;
}
.modal-gallery {
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}
.modal-gallery img {
    width: 100%;
    height: 150px;
    -o-object-fit: cover;
       object-fit: cover;
    border-radius: 5px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s, box-shadow 0.3s;
}
.modal-gallery a { flex: 1 1 200px; }
.modal-gallery img:hover {
    -webkit-transform: scale(1.05);
            transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0,0,0,0.5);
}

/* --- 14. قسم التواصل والفوتر --- */
#contact { text-align: center; }
.contact-subtext {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.contact-social-links { margin-top: 2.5rem; display: flex; justify-content: center; align-items: center; gap: 2.5rem; }
.contact-social-links a { color: var(--text-gray); font-size: 2.2rem; transition: color 0.3s, transform 0.3s; }
.contact-social-links a:hover {
    color: var(--primary-color);
    -webkit-transform: translateY(-5px);
            transform: translateY(-5px);
}
footer {
    padding: 3rem 10rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-gray);
    flex-wrap: wrap;
    gap: 1rem;
}
.social-links { display: flex; align-items: center; gap: 1.5rem; }
.social-links a { color: var(--text-gray); font-size: 1.3rem; transition: color 0.3s; line-height: 1; }
.social-links a:hover { color: var(--primary-color); }

/* --- 15. زر الصعود للأعلى --- */
#scrollTopBtn {
    display: none; position: fixed; bottom: 20px; right: 30px; z-index: 100; border: none; outline: none; background-color: var(--primary-color);
    color: white; cursor: pointer; padding: 15px; border-radius: 50%; font-size: 18px; width: 50px; height: 50px; line-height: 1;
    transition: opacity 0.3s, visibility 0.3s;
}
#scrollTopBtn:hover { opacity: 0.8; }




html[dir="rtl"] {
    .hero-content, .about-text, .journey-card { text-align: right; }
 
    .hero-content {
   
    text-align: right;
}
   body #hero {
    justify-content: flex-start; /* <-- الإصلاح الرئيسي: يدفع كتلة المحتوى كلها لليمين */
    text-align: right; /* <-- يضمن محاذاة النص داخل الكتلة لليمين */
}
    body #hero .side-text-hero { left: auto; right: -2rem; }
    .education-item { text-align: right; }
    .education-date span { text-align: left; padding-right: 0; padding-left: 2rem; }
    .education-details { border-left: none; border-right: 2px solid var(--border-color); padding-left: 0; padding-right: 2rem; }
    .prof-skills li { padding-left: 0; padding-right: 25px; }
    .prof-skills li::before { left: auto; right: 0; }
    #scrollTopBtn { right: auto; left: 30px; }
    .certificate-icon { margin-left: 0; margin-right: 15px; }
}
/* --- Desktop RTL Fix for About Section (Final Version 3.0) --- */
@media (min-width: 769px) {
    html[dir="rtl"] .about-container {
         grid-template-columns: 1fr 2fr;
    }
    
    html[dir="rtl"] .about-text {
        justify-content: start;
        /* الخطوة 2: ضمان محاذاة النص داخل عموده لليمين */
        text-align: right;


    }
       html[dir="rtl"] .about-text h2 {
       
    font-size: 3em; 
    
    }
     html[dir="rtl"] body #hero .main-headline {
    font-size: 10rem; /* Fallback */
    font-size: clamp(6rem, 14vw, 10rem);
    font-weight: 900;
    line-height: 1.0;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    margin-top: -5rem;
    
}
}
/* --- 17. التجاوب مع الشاشات (Media Queries) --- */
@media (max-width: 900px) {
    .journey-grid { grid-template-columns: 1fr; gap: 5rem; }
    .journey-card, html[dir="rtl"] .journey-card { text-align: center; }
    .journey-number { margin-left: auto; margin-right: auto; }
}
@media (max-width: 768px) {
    .main-container { padding: 0 1.5rem; }
    section { padding: 5rem 0; }
    .section-title { font-size: 2.5rem; }
    body #hero .main-headline { letter-spacing: -2px; }
    .about-container, .skills-grid, .education-item { grid-template-columns: 1fr; }
    .about-container, html[dir="rtl"] .about-container { text-align: center; }
    .about-image { margin: 0 auto 2rem auto; }
    body #hero { justify-content: center; }
    .hero-content, html[dir="rtl"] .hero-content { text-align: center; }
    body #hero .side-text-hero { display: none; }
    .education-item { gap: 1rem; text-align: center; }
    .education-date span, html[dir="rtl"] .education-date span { text-align: center; padding: 0; margin-bottom: 1rem; }
    .education-details, html[dir="rtl"] .education-details { border: none; padding: 0; }
}