:root {
  --bg-dark: #150e2b;
  --bg-dark-2: #241542;
  --bg-darker: #0d0920;
  --purple: #8b2fd9;
  --pink: #c93cd6;
  --blue: #4f6bff;
  --text-light: #f4f1fb;
  --text-muted: #b9aed6;
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.08);
  --gradient-brand: linear-gradient(90deg, var(--purple), var(--pink), var(--blue));
  --font-ar: 'Cairo', 'Tahoma', sans-serif;
  --font-en: 'Inter', 'Segoe UI', sans-serif;
  --container-w: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg-darker);
  color: var(--text-light);
  font-family: var(--font-ar);
  line-height: 1.7;
}

html[lang="en"] body { font-family: var(--font-en); }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 9, 32, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--card-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
}

.brand-logo {
  height: 42px;
  width: auto;
}

.main-nav {
  display: flex;
  gap: 28px;
}

.main-nav a {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.main-nav a:hover { color: var(--text-light); }

.lang-toggle {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text-light);
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.lang-toggle:hover {
  border-color: var(--pink);
  background: rgba(201, 60, 214, 0.1);
}

/* Hero */
.hero {
  position: relative;
  padding: 96px 0 100px;
  text-align: center;
  background:
    radial-gradient(60% 60% at 50% 0%, rgba(139, 47, 217, 0.35), transparent),
    radial-gradient(50% 50% at 80% 20%, rgba(79, 107, 255, 0.25), transparent),
    linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
  overflow: hidden;
}

.hero-logo {
  height: 70px;
  width: auto;
  margin: 0 auto 32px;
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 800;
  margin: 0 0 16px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 10px 30px rgba(139, 47, 217, 0.35);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(139, 47, 217, 0.45); }

.btn-ghost {
  border: 1px solid var(--card-border);
  color: var(--text-light);
}

.btn-ghost:hover { border-color: var(--pink); background: rgba(201, 60, 214, 0.08); }

/* Section title */
.section-title {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin: 0 0 48px;
}

/* Services */
.services { padding: 96px 0; background: var(--bg-dark); }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(201, 60, 214, 0.4);
}

.card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-brand);
  color: #fff;
}

.card-icon svg { width: 28px; height: 28px; }

.card h3 {
  font-size: 1.1rem;
  margin: 0 0 10px;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
}

/* About */
.about { padding: 96px 0; background: var(--bg-darker); }

.about-inner {
  max-width: 780px;
  text-align: center;
}

.about p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* Contact */
.contact { padding: 96px 0 110px; background: var(--bg-dark); text-align: center; }

.contact-lead {
  color: var(--text-muted);
  margin: 0 0 36px;
}

.contact-details {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: var(--card-bg);
  font-weight: 600;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.contact-item:hover {
  border-color: var(--pink);
  transform: translateY(-2px);
}

.contact-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Footer */
.site-footer {
  padding: 28px 0;
  background: var(--bg-darker);
  border-top: 1px solid var(--card-border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 720px) {
  .main-nav { display: none; }
  .header-inner { justify-content: space-between; }
  .hero { padding: 72px 0 72px; }
  .services, .about, .contact { padding: 64px 0; }
}