:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --bg-hover: #1e1e2a;
  --accent: #6366f1;
  --accent-glow: rgba(99, 102, 241, 0.4);
  --accent-secondary: #8b5cf6;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: rgba(255, 255, 255, 0.06);
  --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
  --gradient-2: linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Cairo", "Inter", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.7;
}

.lang-switch {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border, rgba(255, 255, 255, 0.1));
  color: var(--text-secondary, #a1a1aa);
  padding: 0.4rem 0.8rem;
  border-radius: 0.5rem;
  cursor: pointer;
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  transition: all 0.3s ease;
  margin-right: 1rem;
}
.lang-switch:hover {
  background: var(--accent, #6366f1);
  color: white;
  border-color: var(--accent, #6366f1);
}
[dir="ltr"] .lang-switch {
  margin-right: 0;
  margin-left: 1rem;
}
.lang-switch .active-lang {
  color: white;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 4px;
}

/* Background Animation */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  animation: float 20s ease-in-out infinite;
}
.bg-glow-1 {
  top: -200px;
  right: -200px;
}
.bg-glow-2 {
  bottom: -300px;
  left: -200px;
  animation-delay: -10s;
}

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

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 2rem;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}

nav.scrolled {
  padding: 0.7rem 2rem;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo a,
.logo a:hover,
.logo a:focus {
  text-decoration: none;
  color: inherit;
}
.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  right: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-1);
  transition: width 0.3s;
  border-radius: 2px;
}

.nav-links a:hover {
  color: var(--text-primary);
}
.nav-links a:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Sections */
section {
  position: relative;
  z-index: 1;
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h2 {
  font-size: 1.1rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.9rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--gradient-1);
  color: white;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  background: rgba(99, 102, 241, 0.1);
}

/* Hero Image */
.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image {
  width: 380px;
  height: 480px;
  object-fit: cover;
  border-radius: 24px;
  position: relative;
  z-index: 2;
  filter: contrast(1.1) brightness(0.95);
  transition: transform 0.5s;
}

.hero-image:hover {
  transform: scale(1.02);
}

.image-frame {
  position: absolute;
  width: 380px;
  height: 480px;
  border: 2px solid var(--accent);
  border-radius: 24px;
  top: 20px;
  left: 20px;
  z-index: 1;
  opacity: 0.5;
}

.image-glow {
  position: absolute;
  width: 400px;
  height: 500px;
  background: var(--gradient-1);
  border-radius: 24px;
  filter: blur(60px);
  opacity: 0.3;
  z-index: 0;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s;
}

.stat-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(99, 102, 241, 0.15);
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.3rem;
}

/* Section Title */
.section-title {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title p {
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  width: 100%;
  max-width: 450px;
  border-radius: 20px;
  filter: contrast(1.1) brightness(0.9);
}

.about-content h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2rem;
}

.tag {
  background: var(--bg-hover);
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all 0.3s;
}

.tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.skill-card:hover::before {
  transform: scaleX(1);
}

.skill-card:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
  box-shadow: 0 15px 50px rgba(99, 102, 241, 0.15);
}

.skill-icon {
  width: 50px;
  height: 50px;
  background: var(--bg-hover);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.skill-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.skill-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.skill-bar {
  margin-top: 1.2rem;
  height: 6px;
  background: var(--bg-hover);
  border-radius: 3px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: var(--gradient-1);
  border-radius: 3px;
  transition: width 1.5s ease-out;
  width: 0;
}

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

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.4s;
  position: relative;
}

.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(99, 102, 241, 0.2);
}

.project-image {
  height: 220px;
  background: var(--bg-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--accent);
  position: relative;
  overflow: hidden;
}

.project-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-1);
  opacity: 0;
  transition: opacity 0.3s;
}

.project-card:hover .project-image::after {
  opacity: 0.1;
}

.project-content {
  padding: 1.8rem;
}

.project-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.7rem;
}

.project-content p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.2rem;
}

.project-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.project-tag {
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent);
  padding: 0.3rem 0.8rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-primary);
  text-decoration: none;
  transition: all 0.3s;
}

.contact-link:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
  transform: translateX(-5px);
}

.contact-link i {
  width: 40px;
  height: 40px;
  background: var(--gradient-1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.9rem 1.2rem;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
  z-index: 1;
}

footer p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

footer .socials {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

footer .socials a {
  width: 45px;
  height: 45px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s;
  font-size: 1.1rem;
}

footer .socials a:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease-out;
}

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

/* Typing Effect */
.typing-text::after {
  content: "|";
  animation: blink 1s infinite;
  color: var(--accent);
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

/* Responsive */
@media (max-width: 968px) {
  .hero-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }
  .hero-image {
    width: 300px;
    height: 380px;
  }
  .image-frame {
    width: 300px;
    height: 380px;
  }
  .image-glow {
    width: 320px;
    height: 400px;
  }
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .stats {
    grid-template-columns: 1fr;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero-content h1 {
    font-size: 2rem;
  }
  section {
    padding: 4rem 1.5rem;
  }
  .hero {
    padding-top: 4rem;
  }
}