/* === Reset & Base === */
@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@300;400;500;700;800&family=Nunito:wght@400;600;700;800&display=swap');

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-ar);
  color: var(--text-primary);
  background: var(--bg);
  line-height: 1.6;
  direction: rtl;
  text-align: right;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

body[dir="ltr"] {
  direction: ltr;
  text-align: left;
  font-family: var(--font-en);
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--fw-bold);
  line-height: 1.3;
  color: var(--text-primary);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

.en { font-family: var(--font-en); }
.mono { font-family: var(--font-mono); }

p { margin-bottom: var(--space-md); }

a {
  color: var(--sv-purple);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--sv-orange); }

small { font-size: var(--text-sm); }
.text-muted { color: var(--text-secondary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-purple { color: var(--sv-purple); }
.text-orange { color: var(--sv-orange); }
.text-center { text-align: center; }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.fw-bold { font-weight: var(--fw-bold); }
.fw-medium { font-weight: var(--fw-medium); }

/* === Layout Utilities === */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }
.flex-1 { flex: 1; }

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* === Spacing === */
.m-0 { margin: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

/* === Visibility === */
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* === Images === */
img {
  max-width: 100%;
  height: auto;
}

/* === Lists === */
ul, ol { list-style: none; }

/* === Scrollbar === */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* === Selection === */
::selection {
  background: var(--sv-purple-glow);
  color: var(--sv-purple);
}

/* === Responsive === */
@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  html { font-size: 15px; }
  .container { padding: 0 var(--space-md); }
  .hide-mobile { display: none !important; }
}

/* === Animations === */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

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

.animate-fade { animation: fadeIn 0.4s ease; }
.animate-slide-right { animation: slideInRight 0.4s ease; }
.animate-pulse { animation: pulse 2s infinite; }
.animate-float { animation: float 3s ease-in-out infinite; }