:root {
  --primary-color: #2c3e50;
  --secondary-color: #3498db;
  --text-color: #333;
  --background-color: #f4f4f4;
}

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

body {
  font-family: "Cairo", sans-serif;
  line-height: 1.6;
  background-color: var(--background-color);
}

/* تنسيق القائمة العلوية */
header {
  background-color: var(--primary-color);
  padding: 1rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  gap: 2rem;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

/* تنسيق الأقسام الرئيسية */
main {
  margin-top: 60px;
}

section {
  padding: 4rem 2rem;
}

.hero {
  text-align: center;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  padding: 8rem 2rem;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.typing-text {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.highlight {
  color: #ffd700;
  font-weight: bold;
}

.hero-description {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.tech-stack {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.tech-item {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: transform 0.3s ease;
}

.tech-item:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.2);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.btn-primary {
  background-color: #ffd700;
  color: var(--primary-color);
}

.btn-secondary {
  background-color: transparent;
  border: 2px solid white;
}

.btn-primary:hover {
  background-color: #ffc800;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* تحسين التجاوب مع الشاشات الصغيرة */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .typing-text {
    font-size: 1.5rem;
  }

  .tech-stack {
    gap: 0.5rem;
  }

  .tech-item {
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
  }
}

/* تنسيق نموذج الاتصال */
#contact-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

input,
textarea {
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: 4px;
}

button {
  padding: 0.8rem;
  background-color: var(--secondary-color);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

/* تنسيق شبكة المشاريع */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem 0;
}

.project-card {
  background-color: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
}

.project-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.project-card h3 {
  padding: 1rem;
  color: var(--primary-color);
}

.project-card p {
  padding: 0 1rem;
  color: var(--text-color);
  margin-bottom: 1rem;
}

.technologies {
  padding: 0 1rem;
  margin-bottom: 1rem;
}

.technologies span {
  display: inline-block;
  background-color: var(--background-color);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  margin: 0.2rem;
  font-size: 0.9rem;
  color: var(--primary-color);
}

.project-links {
  padding: 1rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background-color: var(--secondary-color);
  color: white;
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

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

/* تنسيق قسم نبذة عني */
#about {
  background-color: white;
  padding: 6rem 2rem;
}

.about-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-header {
  margin-bottom: 2rem;
}

.about-header h3 {
  color: var(--primary-color);
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.about-subtitle {
  color: var(--secondary-color);
  font-size: 1.2rem;
}

.about-description {
  margin-bottom: 2rem;
  line-height: 1.8;
}

.expertise-areas {
  background-color: var(--background-color);
  padding: 2rem;
  border-radius: 8px;
  margin-bottom: 2rem;
}

.expertise-areas h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.skills-list {
  list-style: none;
}

.skills-list li {
  margin-bottom: 1rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.skills-list i {
  color: var(--secondary-color);
  margin-top: 0.3rem;
}

.skills-list strong {
  color: var(--primary-color);
}

.about-footer {
  font-style: italic;
  color: var(--text-color);
  opacity: 0.9;
}

.about-stats {
  display: grid;
  gap: 2rem;
}

.stat {
  text-align: center;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  padding: 2rem;
  border-radius: 12px;
  color: white;
  transition: transform 0.3s ease;
}

.stat:hover {
  transform: translateY(-5px);
}

.stat-circle {
  width: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.stat-number {
  font-size: 2rem;
  font-weight: bold;
}

.stat-text {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* تحسين التجاوب مع الشاشات الصغيرة */
@media (max-width: 992px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .about-stats {
    grid-template-columns: 1fr;
  }

  .stat {
    padding: 1.5rem;
  }
}

/* تنسيق قسم المهارات */
#skills {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  padding: 6rem 2rem;
}

.skills-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 3rem;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.category-header i {
  font-size: 2rem;
  color: #ffd700;
}

.category-header h3 {
  font-size: 1.8rem;
  color: white;
}

.skill-items {
  background: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: 15px;
  backdrop-filter: blur(5px);
}

.skill-item {
  margin-bottom: 1.5rem;
}

.skill-item:last-child {
  margin-bottom: 0;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.skill-name {
  font-weight: bold;
  color: white;
}

.skill-percentage {
  color: #ffd700;
}

.skill-bar {
  height: 10px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 5px;
  overflow: hidden;
  position: relative;
}

.skill-level {
  height: 100%;
  background: #ffd700;
  border-radius: 5px;
  position: relative;
  animation: fillBar 1.5s ease-in-out;
}

@keyframes fillBar {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

/* تحسين التجاوب مع الشاشات الصغيرة */
@media (max-width: 768px) {
  .category-header {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }

  .category-header h3 {
    font-size: 1.5rem;
  }

  .skill-items {
    padding: 1.5rem;
  }
}

/* تنسيق قسم اتصل بي */
#contact {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  padding: 6rem 2rem;
}

#contact .section-header {
  text-align: center;
  margin-bottom: 4rem;
}

#contact .section-header h2 {
  color: white;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

#contact .section-description {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.2rem;
}

.contact-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 3rem;
}

.contact-info {
  padding: 2rem;
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.1);
}

.info-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.info-header i {
  font-size: 2rem;
  color: #ffd700;
}

.info-content {
  margin-bottom: 2rem;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  transition: transform 0.3s ease;
}

.info-item:hover {
  transform: translateX(-5px);
}

.info-item i {
  font-size: 1.5rem;
  color: #ffd700;
}

.info-details h4 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.social-links h4 {
  margin-bottom: 1rem;
}

.social-icons {
  display: flex;
  gap: 1rem;
}

.social-icon {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: white;
  text-decoration: none;
  padding: 0.8rem 1.2rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.social-icon:hover {
  background: #ffd700;
  color: var(--primary-color);
  transform: translateY(-3px);
}

.contact-form {
  background: white;
  padding: 3rem;
  border-radius: 15px;
  color: var(--text-color);
}

.form-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.form-header i {
  font-size: 2rem;
  color: var(--primary-color);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: bold;
  color: var(--primary-color);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid #eee;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--secondary-color);
  outline: none;
}

.form-group textarea {
  height: 150px;
  resize: vertical;
}

.submit-btn {
  width: 100%;
  padding: 1rem;
  border: none;
  border-radius: 8px;
  background: var(--primary-color);
  color: white;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.submit-btn:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
}

@media (max-width: 992px) {
  .contact-container {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .contact-container {
    padding: 2rem;
  }

  .contact-form {
    padding: 2rem;
  }
}

/* تنسيق قسم المشاريع */
#projects {
  background-color: var(--background-color);
  padding: 6rem 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  color: var(--primary-color);
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-description {
  color: var(--text-color);
  font-size: 1.2rem;
  opacity: 0.8;
}

.projects-container {
  max-width: 1200px;
  margin: 0 auto;
}

.projects-filter {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.8rem 1.5rem;
  border: none;
  border-radius: 25px;
  background-color: white;
  color: var(--text-color);
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: "Cairo", sans-serif;
  font-size: 1rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.filter-btn.active,
.filter-btn:hover {
  background-color: var(--primary-color);
  color: white;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background-color: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.project-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-bottom: 3px solid var(--secondary-color);
}

.project-content {
  padding: 1.5rem;
}

.project-card h3 {
  color: var(--primary-color);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.project-card p {
  color: var(--text-color);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.technologies {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tech-tag {
  background-color: var(--background-color);
  color: var(--primary-color);
  padding: 0.4rem 1rem;
  border-radius: 15px;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.tech-tag:hover {
  background-color: var(--secondary-color);
  color: white;
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-btn {
  flex: 1;
  padding: 0.8rem;
  text-align: center;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: bold;
}

.preview-btn {
  background-color: var(--secondary-color);
  color: white;
}

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

.project-btn:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .filter-btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }
}

/* تنسيق زر WhatsApp العائم */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: 1000;
}

.whatsapp-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: white;
  border-radius: 50%;
  text-decoration: none;
  box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  position: relative;
}

.whatsapp-btn i {
  font-size: 2rem;
}

.whatsapp-btn .tooltip {
  position: absolute;
  right: 70px;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 5px;
  font-size: 0.85rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  width: max-content;
  transform: translateY(-50%);
  top: 50%;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  background-color: #128c7e;
}

.whatsapp-btn:hover .tooltip {
  opacity: 1;
  visibility: visible;
}

/* تحسين التجاوب مع الشاشات الصغيرة */
@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 20px;
    left: 20px;
  }

  .whatsapp-btn {
    width: 50px;
    height: 50px;
  }

  .whatsapp-btn i {
    font-size: 1.7rem;
  }

  .whatsapp-btn .tooltip {
    right: 60px;
    font-size: 0.8rem;
  }
}