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

body {
  font-family: Arial, sans-serif;
  background: #fff;
  color: #222;
  direction: rtl;
  font-size: 16px;
  line-height: 1.6;
}

/* NAV */
nav.main-nav {
  background: #0a1628;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 16px rgba(0,0,0,.3);
}
nav.main-nav .nav-logo img {
  height: 44px;
  display: block;
}
nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 8px;
}
nav.main-nav ul li a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all .2s;
}
nav.main-nav ul li a:hover,
nav.main-nav ul li a.active {
  color: #fff;
  background: rgba(6,182,212,.15);
}

/* FOOTER */
footer.main-footer {
  background: #0a1628;
  color: #64748b;
  padding: 48px 32px 28px;
  margin-top: 80px;
}
.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid #1e3a52;
}
footer.main-footer img { height: 40px; margin-bottom: 12px; }
footer.main-footer h4 { color: #e2e8f0; font-size: 14px; font-weight: 700; margin-bottom: 14px; }
footer.main-footer a {
  display: block;
  color: #64748b;
  text-decoration: none;
  font-size: 13px;
  margin-bottom: 8px;
  transition: color .2s;
}
footer.main-footer a:hover { color: #06b6d4; }
footer.main-footer p { font-size: 13px; line-height: 1.7; color: #64748b; }
.footer-bottom {
  max-width: 960px;
  margin: 20px auto 0;
  font-size: 12px;
  text-align: center;
  color: #475569;
}

/* BUTTON */
.btn {
  display: inline-block;
  background: #06b6d4;
  color: #fff;
  padding: 13px 30px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: background .2s, transform .15s;
  border: none;
  cursor: pointer;
}
.btn:hover { background: #0891b2; transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border: 2px solid #06b6d4;
  color: #06b6d4;
}
.btn-outline:hover { background: #06b6d4; color: #fff; }

/* UTILS */
.container { max-width: 960px; margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 24px; }
.section-title { font-size: 30px; font-weight: 800; color: #0a1628; margin-bottom: 14px; }
.section-sub { font-size: 16px; color: #64748b; max-width: 560px; line-height: 1.7; margin-bottom: 44px; }
.tag {
  display: inline-block;
  background: #e0f9ff;
  color: #0891b2;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
  letter-spacing: .4px;
  text-transform: uppercase;
}

@media (max-width: 640px) {
  nav.main-nav ul { display: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .section { padding: 48px 20px; }
}