/* ===================================================
   PREMIUM PORTFOLIO — Main Stylesheet
   =================================================== */

:root {
  --bg-primary: #0f172a;
  --bg-secondary: #111827;
  --bg-tertiary: #1e293b;
  --accent-blue: #38bdf8;
  --accent-green: #22c55e;
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --glass-bg: rgba(30, 41, 59, 0.4);
  --glass-border: rgba(255, 255, 255, 0.08);
  --gradient-primary: linear-gradient(135deg, #38bdf8, #22c55e);
  --gradient-glow: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(34, 197, 94, 0.15));
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(56, 189, 248, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 72px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-blue) var(--bg-secondary);
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--accent-blue); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #0ea5e9; }

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

html[dir="rtl"] body {
  font-family: 'Cairo', 'Inter', sans-serif;
}

.navbar-actions {
  display: none;
  align-items: center;
  gap: 10px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: all var(--transition);
  flex-shrink: 0;
}

.lang-switch:hover {
  border-color: rgba(56, 189, 248, 0.35);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.lang-flag {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 20px;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
  line-height: 0;
}

.lang-flag img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

html[dir="rtl"] .section-header,
html[dir="rtl"] .page-hero,
html[dir="rtl"] .hero-content,
html[dir="rtl"] .about-content,
html[dir="rtl"] .contact-info,
html[dir="rtl"] .error-content,
html[dir="rtl"] .cta-box {
  text-align: right;
}

html[dir="rtl"] .hero-scroll {
  align-items: flex-end;
}

html[dir="rtl"] .footer-bottom {
  flex-direction: row-reverse;
}

html[dir="rtl"] .contact-detail {
  flex-direction: row-reverse;
  text-align: right;
}

html[dir="rtl"] .fun-fact {
  flex-direction: row-reverse;
  text-align: right;
}

html[dir="rtl"] .service-features li {
  padding-left: 0;
  padding-right: 20px;
}

html[dir="rtl"] .service-features li::before {
  left: auto;
  right: 0;
}

html[dir="rtl"] .alert-error ul {
  padding-left: 0;
  padding-right: 16px;
}

html[dir="rtl"] .nav-link-cta {
  margin-left: 0;
  margin-right: 8px;
}

a { color: inherit; text-decoration: none; transition: color var(--transition); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Glass ---- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

/* ---- Typography ---- */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-blue);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  max-width: 560px;
}

.section-header { margin-bottom: 48px; }
.section { padding: 100px 0; }
.section-alt { background: var(--bg-secondary); }
.section-cta { text-align: center; margin-top: 48px; }

.page-hero {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
}

.page-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.page-desc {
  color: var(--text-secondary);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--bg-primary);
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(56, 189, 248, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-outline:hover {
  border-color: var(--accent-blue);
  background: rgba(56, 189, 248, 0.08);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--accent-blue);
  padding: 8px 16px;
}

.btn-ghost:hover { background: rgba(56, 189, 248, 0.1); }

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
  padding: 6px 14px;
  font-size: 0.8125rem;
}

.btn-danger:hover { background: rgba(239, 68, 68, 0.25); }

.btn-lg { padding: 16px 36px; font-size: 1rem; }
.btn-sm { padding: 6px 14px; font-size: 0.8125rem; }
.btn-block { width: 100%; }

/* ---- Loader ---- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-inner { text-align: center; }

.loader-ring {
  width: 48px;
  height: 48px;
  border: 3px solid var(--glass-border);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}

.loader-text {
  font-weight: 700;
  font-size: 1.125rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Navbar ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: all var(--transition);
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  color: var(--accent-blue);
  font-size: 1.125rem;
}

.logo-accent { color: var(--accent-green); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  position: relative;
  transition: all var(--transition);
}

.nav-link:hover, .nav-link.active { color: var(--text-primary); }

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.nav-link-cta {
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-blue) !important;
  border: 1px solid rgba(56, 189, 248, 0.2);
  margin-left: 8px;
}

.nav-link-cta:hover {
  background: rgba(56, 189, 248, 0.2);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
  border-radius: 2px;
}

.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: calc(var(--nav-height) + 40px) 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: float 8s ease-in-out infinite;
}

.hero-orb-1 {
  width: 500px; height: 500px;
  background: rgba(56, 189, 248, 0.12);
  top: -10%; right: -5%;
}

.hero-orb-2 {
  width: 400px; height: 400px;
  background: rgba(34, 197, 94, 0.08);
  bottom: 10%; left: -10%;
  animation-delay: -3s;
}

.hero-orb-3 {
  width: 300px; height: 300px;
  background: rgba(56, 189, 248, 0.06);
  top: 40%; left: 30%;
  animation-delay: -5s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px; height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
}

.hero-title {
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--text-secondary);
  margin-bottom: 20px;
  min-height: 2.5rem;
}

#typingText {
  color: var(--accent-blue);
  font-weight: 600;
  border-right: 2px solid var(--accent-blue);
  padding-right: 4px;
  animation: blink 0.8s step-end infinite;
}

@keyframes blink { 50% { border-color: transparent; } }

.hero-desc {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-social {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
}

.hero-social a {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  transition: all var(--transition);
}

.hero-social a svg { width: 20px; height: 20px; }

.hero-social a:hover {
  color: var(--accent-blue);
  border-color: rgba(56, 189, 248, 0.3);
  transform: translateY(-3px);
}

.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.scroll-indicator {
  width: 24px; height: 40px;
  border: 2px solid var(--glass-border);
  border-radius: 12px;
  position: relative;
}

.scroll-indicator::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px; height: 8px;
  background: var(--accent-blue);
  border-radius: 2px;
  animation: scrollDown 1.5s ease infinite;
}

@keyframes scrollDown {
  0% { opacity: 1; top: 8px; }
  100% { opacity: 0; top: 22px; }
}

/* ---- Projects ---- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.project-card {
  overflow: hidden;
  transition: all var(--transition);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(56, 189, 248, 0.2);
}

.project-card-clickable { cursor: pointer; }

.project-image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-tertiary);
}

.project-image img {
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: top center;
  background: #0a1628;
  transition: transform 0.5s ease;
}

.project-card:hover .project-image img { transform: scale(1.02); }

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  transition: opacity var(--transition);
}

.project-card:hover .project-overlay { opacity: 1; }

.project-link {
  padding: 8px 20px;
  background: var(--accent-blue);
  color: var(--bg-primary);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
}

.project-badge, .project-badge-float {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(34, 197, 94, 0.15);
  color: var(--accent-green);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: 8px;
}

.project-badge-float {
  position: absolute;
  top: 12px; right: 12px;
  margin: 0;
}

.project-body { padding: 24px; }

.project-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.project-body p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 16px;
  line-height: 1.6;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.project-tech span {
  padding: 4px 10px;
  background: rgba(56, 189, 248, 0.08);
  color: var(--accent-blue);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 100px;
  border: 1px solid rgba(56, 189, 248, 0.15);
}

.projects-toolbar { padding: 20px; margin-bottom: 40px; }

.projects-filter-form {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 240px;
  padding: 0 16px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
}

.search-box svg { width: 18px; height: 18px; color: var(--text-muted); flex-shrink: 0; }

.search-box input {
  flex: 1;
  padding: 12px 0;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.9375rem;
  outline: none;
}

.filter-tabs { display: flex; gap: 8px; }

.filter-tab {
  padding: 10px 20px;
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-tab:hover, .filter-tab.active {
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.3);
  color: var(--accent-blue);
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}

.pagination-btn {
  padding: 10px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: all var(--transition);
}

.pagination-btn:hover, .pagination-btn.active {
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.3);
  color: var(--accent-blue);
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px;
  color: var(--text-muted);
}

/* ---- Modal ---- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.modal.active { opacity: 1; visibility: visible; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
}

.modal-content {
  position: relative;
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px) scale(0.95);
  transition: transform var(--transition);
}

.modal.active .modal-content { transform: translateY(0) scale(1); }

.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 36px; height: 36px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  color: var(--text-primary);
  font-size: 1.25rem;
  cursor: pointer;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.modal-close:hover { background: rgba(239, 68, 68, 0.2); color: #f87171; }

.modal-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.modal-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top center;
  background: #0a1628;
}

.modal-body { padding: 28px; }

.modal-body h2 { font-size: 1.5rem; margin-bottom: 12px; }

.modal-body p { color: var(--text-secondary); margin-bottom: 20px; line-height: 1.7; }

.modal-links { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---- Highlights ---- */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.highlight-card {
  padding: 32px;
  transition: all var(--transition);
}

.highlight-card:hover {
  transform: translateY(-6px);
  border-color: rgba(56, 189, 248, 0.2);
  box-shadow: var(--shadow-glow);
}

.highlight-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.highlight-tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-blue);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: 12px;
}

.highlight-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.highlight-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ---- Skills ---- */
.skills-preview-grid, .skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.skill-preview-card, .skill-card {
  padding: 24px;
  transition: all var(--transition);
}

.skill-preview-card:hover, .skill-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.2);
  box-shadow: var(--shadow-glow);
}

.skill-preview-header, .skill-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.skill-name { font-weight: 600; }
.skill-percent, .skill-percent-lg { color: var(--accent-blue); font-weight: 700; font-size: 0.875rem; }
.skill-percent-lg { font-size: 1.125rem; }

.skill-category-tag {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 10px;
  background: rgba(34, 197, 94, 0.1);
  color: var(--accent-green);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 100px;
}

.skill-icon {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-glow);
  border-radius: var(--radius-sm);
  font-weight: 700;
  color: var(--accent-blue);
  font-size: 1.125rem;
  margin-right: 12px;
}

.skill-card-header { gap: 12px; }
.skill-card-header > div:nth-child(2) { flex: 1; }
.skill-card-header h3 { font-size: 1rem; margin-bottom: 2px; }
.skill-level { font-size: 0.75rem; color: var(--text-muted); }

.progress-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-lg { height: 8px; }

.progress-fill {
  height: 100%;
  width: 0;
  background: var(--gradient-primary);
  border-radius: 3px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-fill.animated { width: var(--target-width, 0); }

/* ---- Timeline ---- */
.timeline { position: relative; padding-left: 32px; }

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-blue), var(--accent-green));
  opacity: 0.3;
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}

.timeline-dot {
  position: absolute;
  left: -32px;
  top: 24px;
  width: 16px; height: 16px;
  background: var(--bg-primary);
  border: 2px solid var(--accent-blue);
  border-radius: 50%;
  z-index: 1;
}

.timeline-dot.active {
  background: var(--accent-green);
  border-color: var(--accent-green);
  box-shadow: 0 0 12px rgba(34, 197, 94, 0.4);
}

.timeline-content { padding: 28px; }

.timeline-duration {
  display: inline-block;
  font-size: 0.8125rem;
  color: var(--accent-blue);
  font-weight: 600;
  margin-bottom: 8px;
}

.timeline-content h3 { font-size: 1.25rem; margin-bottom: 4px; }

.timeline-company {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 12px;
}

.timeline-content p { color: var(--text-secondary); line-height: 1.7; }

.timeline-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.timeline-current-badge {
  padding: 2px 10px;
  background: rgba(34, 197, 94, 0.15);
  color: var(--accent-green);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 100px;
}

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

/* ---- Testimonials ---- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.testimonial-card {
  padding: 32px;
  transition: all var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.2);
}

.testimonial-stars {
  color: #fbbf24;
  font-size: 0.875rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-card p {
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 24px;
}

.testimonial-card footer {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-card footer img {
  width: 44px; height: 44px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-tertiary);
}

.testimonial-card footer strong { display: block; font-size: 0.9375rem; }
.testimonial-card footer span { font-size: 0.8125rem; color: var(--text-muted); }

.reviews-empty {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.review-form-wrap {
  max-width: 560px;
  margin: 48px auto 0;
  padding: 32px;
}

.review-form-wrap h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.review-form-desc {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 24px;
  line-height: 1.6;
}

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

.review-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.review-form input[type="text"],
.review-form textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9375rem;
  transition: border-color var(--transition);
}

.review-form input:focus,
.review-form textarea:focus {
  outline: none;
  border-color: rgba(56, 189, 248, 0.4);
}

.star-rating {
  display: flex;
  flex-direction: row-reverse;
  justify-content: flex-end;
  gap: 4px;
}

.star-rating input { display: none; }

.star-rating label {
  font-size: 1.75rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition), transform var(--transition);
  margin-bottom: 0;
}

.star-rating label:hover,
.star-rating label:hover ~ label,
.star-rating input:checked ~ label {
  color: #fbbf24;
}

.star-rating label:hover { transform: scale(1.1); }

html[dir="rtl"] .star-rating {
  flex-direction: row;
  justify-content: flex-start;
}

html[dir="rtl"] .review-form-wrap {
  text-align: right;
}

.trustpilot-section {
  max-width: 960px;
  margin: 0 auto;
}

.trustpilot-widget-wrap {
  padding: 24px;
  min-height: 200px;
  overflow: hidden;
}

.trustpilot-widget {
  width: 100%;
}

.trustpilot-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 32px;
}

/* ---- CTA ---- */
.cta-section { padding-bottom: 120px; }

.cta-box {
  text-align: center;
  padding: 64px 40px;
  background: var(--gradient-glow);
}

.cta-box h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-bottom: 16px;
}

.cta-box p {
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 32px;
}

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.about-image-frame {
  position: relative;
  padding: 8px;
  overflow: hidden;
}

.about-image-frame img {
  width: 100%;
  border-radius: var(--radius-lg);
  aspect-ratio: 4/5;
  object-fit: cover;
}

.about-image-glow {
  position: absolute;
  inset: -20%;
  background: var(--gradient-glow);
  z-index: -1;
  filter: blur(40px);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
  padding: 20px;
  text-align: center;
}

.about-stats strong {
  display: block;
  font-size: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-stats span { font-size: 0.75rem; color: var(--text-muted); }

.about-content h2 { font-size: 1.75rem; margin-bottom: 20px; }

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.8;
}

.education-grid, .fun-facts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.education-card, .fun-fact {
  padding: 32px;
  transition: all var(--transition);
}

.education-card:hover, .fun-fact:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.2);
}

.education-icon { font-size: 2rem; margin-bottom: 16px; }
.education-card h3 { font-size: 1.125rem; margin-bottom: 4px; }
.education-school { color: var(--accent-blue); font-size: 0.9375rem; margin-bottom: 4px; }
.education-year { display: inline-block; font-size: 0.8125rem; color: var(--text-muted); margin-bottom: 12px; }
.education-card p { color: var(--text-secondary); font-size: 0.9375rem; line-height: 1.6; }

.fun-fact {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
}

.fun-fact span { font-size: 1.75rem; }
.fun-fact p { color: var(--text-secondary); font-size: 0.9375rem; }

/* ---- Services ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.service-card {
  padding: 36px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(56, 189, 248, 0.2);
}

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

.service-icon {
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(56, 189, 248, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  color: var(--accent-blue);
}

.service-icon svg { width: 28px; height: 28px; }
.service-icon-green { background: rgba(34, 197, 94, 0.1); color: var(--accent-green); }

.service-card h3 { font-size: 1.25rem; margin-bottom: 12px; }

.service-card > p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-features { margin-bottom: 24px; }

.service-features li {
  color: var(--text-secondary);
  font-size: 0.875rem;
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
}

.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-green);
  font-weight: 700;
}

/* ---- Contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact-info h2 { font-size: 1.75rem; margin-bottom: 16px; }
.contact-info > p { color: var(--text-secondary); margin-bottom: 32px; line-height: 1.7; }

.contact-details { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }

.contact-detail {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
}

.contact-detail svg { width: 24px; height: 24px; color: var(--accent-blue); flex-shrink: 0; }
.contact-detail strong { display: block; font-size: 0.8125rem; color: var(--text-muted); margin-bottom: 2px; }
.contact-detail a { color: var(--accent-blue); }
.contact-detail a:hover { text-decoration: underline; }

.contact-social { display: flex; gap: 16px; }
.contact-social a {
  padding: 8px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.contact-social a:hover { color: var(--accent-blue); border-color: rgba(56, 189, 248, 0.3); }

.contact-form-wrap { padding: 36px; }

/* ---- Forms ---- */
.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.9375rem;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-check label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.form-check input[type="checkbox"] {
  width: auto;
  accent-color: var(--accent-blue);
}

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

/* ---- Alerts ---- */
.alert {
  display: flex;
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.alert svg { width: 24px; height: 24px; flex-shrink: 0; margin-top: 2px; }

.alert-success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.2);
  color: var(--accent-green);
}

.alert-success p { color: var(--text-secondary); font-size: 0.875rem; margin-top: 4px; }

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #f87171;
}

.alert-error ul { margin-top: 8px; padding-left: 16px; }
.alert-error li { font-size: 0.875rem; color: var(--text-secondary); }

/* ---- Footer ---- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin: 16px 0 24px;
  max-width: 320px;
}

.footer-social { display: flex; gap: 12px; }

.footer-social a {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition);
}

.footer-social a svg { width: 18px; height: 18px; }
.footer-social a:hover { color: var(--accent-blue); border-color: rgba(56, 189, 248, 0.3); }

.footer-links h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-links a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.875rem;
  padding: 6px 0;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--accent-blue); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--glass-border);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-made { color: var(--text-muted); }

/* ---- Back to Top ---- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px; height: 48px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50%;
  color: var(--bg-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
  z-index: 999;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
}

.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); }
.back-to-top svg { width: 20px; height: 20px; }

/* ---- Scroll Reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--delay, 0s);
}

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

/* ---- Error Pages ---- */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px;
}

.error-content {
  text-align: center;
  padding: 64px 48px;
  max-width: 480px;
}

.error-code {
  font-size: 6rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}

.error-content h1 { font-size: 1.75rem; margin-bottom: 12px; }
.error-content p { color: var(--text-secondary); margin-bottom: 32px; }
.error-debug {
  background: rgba(239, 68, 68, 0.1);
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: #f87171;
  margin-bottom: 24px;
  text-align: left;
  overflow-x: auto;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .page-hero { padding: 140px 0 60px; }

  .mobile-toggle { display: flex; }

  .navbar-actions { display: flex; }

  .nav-links .lang-switch { display: none; }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: rgba(15, 23, 42, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 4px;
    border-bottom: 1px solid var(--glass-border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link { width: 100%; padding: 12px 16px; }
  .nav-link-cta { margin-left: 0; margin-top: 8px; text-align: center; }

  .projects-grid { grid-template-columns: 1fr; }
  .projects-filter-form { flex-direction: column; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .about-stats { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .cta-box { padding: 40px 24px; }
  .contact-form-wrap { padding: 24px; }
}