/* Navigation, footer, hero, grids, sticky bars */

/* ---------- Top Navigation ---------- */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100; height: var(--nav-h);
  background: transparent;
  transition: background var(--dur), box-shadow var(--dur), backdrop-filter var(--dur);
}
.site-nav.is-scrolled {
  background: color-mix(in srgb, var(--c-bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  box-shadow: 0 1px 0 var(--c-border), 0 4px 18px rgba(15,23,42,0.05);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; gap: var(--sp-4);
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--ff-heading); font-weight: 800; font-size: 1.15rem;
  color: var(--c-text); text-decoration: none;
}
.nav-brand .brand-mark {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-family: var(--ff-arabic); font-size: 22px;
  box-shadow: 0 6px 18px rgba(15,118,110,0.4);
}
.nav-brand .brand-text small { display: block; font-weight: 500; font-size: 11px; color: var(--c-text-soft); letter-spacing: 0.15em; text-transform: uppercase; }

.nav-links { display: none; align-items: center; gap: var(--sp-2); list-style: none; padding: 0; margin: 0; }
.nav-links a {
  padding: 0.5rem 0.85rem; border-radius: var(--r-sm);
  color: var(--c-text); font-weight: 500; font-size: 0.95rem;
  transition: color var(--dur), background var(--dur);
}
.nav-links a:hover, .nav-links a.is-active { color: var(--c-primary); background: var(--c-accent); }
[data-theme="dark"] .nav-links a.is-active { color: #fff !important; background: var(--c-accent) !important; font-weight: 700; text-shadow: 0 1px 2px rgba(0,0,0,0.3); }

.nav-actions { display: flex; align-items: center; gap: var(--sp-2); }

.theme-toggle, .nav-burger {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--c-border); background: var(--c-card);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--c-text); cursor: pointer;
  transition: transform var(--dur), background var(--dur), border-color var(--dur);
}
.theme-toggle:hover, .nav-burger:hover { border-color: var(--c-primary); color: var(--c-primary); }
.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

.nav-burger { display: inline-flex; }
.nav-burger span {
  display: block; width: 18px; height: 2px; background: currentColor;
  position: relative; transition: transform var(--dur);
}
.nav-burger span::before, .nav-burger span::after {
  content: ''; position: absolute; left: 0; width: 18px; height: 2px; background: currentColor;
  transition: transform var(--dur), top var(--dur);
}
.nav-burger span::before { top: -6px; }
.nav-burger span::after  { top: 6px; }

@media (min-width: 1024px) {
  .nav-links { display: flex; }
  .nav-burger { display: none; }
}

/* ---------- Mobile Drawer ---------- */
.drawer {
  position: fixed; inset: 0; z-index: 200;
  visibility: hidden; opacity: 0; transition: opacity var(--dur), visibility var(--dur);
}
.drawer.is-open { visibility: visible; opacity: 1; }
.drawer-overlay { position: absolute; inset: 0; background: rgba(7,30,34,0.55); }
.drawer-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(86vw, 360px);
  background: var(--c-bg); padding: var(--sp-6); overflow-y: auto;
  transform: translateX(100%); transition: transform var(--dur) var(--ease);
  display: flex; flex-direction: column; gap: var(--sp-3);
}
.drawer.is-open .drawer-panel { transform: translateX(0); }
.drawer-close {
  align-self: flex-end; width: 40px; height: 40px;
  border-radius: 50%; border: 1px solid var(--c-border); background: var(--c-card);
  cursor: pointer; color: var(--c-text); font-size: 22px;
}
.drawer-links { list-style: none; padding: 0; margin: var(--sp-3) 0 0; display: flex; flex-direction: column; gap: 4px; }
.drawer-links a {
  display: block; padding: 0.9rem 1rem; border-radius: var(--r-sm);
  color: var(--c-text); font-weight: 500; font-size: 1rem;
  border: 1px solid transparent;
}
.drawer-links a:hover, .drawer-links a.is-active {
  background: var(--c-accent); color: var(--c-primary-700); border-color: var(--c-border);
}
[data-theme="dark"] .drawer-links a.is-active { color: #fff !important; font-weight: 700; text-shadow: 0 1px 2px rgba(0,0,0,0.3); }
.drawer-cta { margin-top: var(--sp-4); display: grid; gap: 10px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; padding: calc(var(--nav-h) + var(--sp-12)) 0 var(--sp-16);
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 10%, rgba(212,175,55,0.16), transparent 40%),
    radial-gradient(circle at 10% 80%, rgba(15,118,110,0.16), transparent 45%),
    var(--c-bg);
}
.hero-inner { position: relative; z-index: 2; display: grid; gap: var(--sp-10); align-items: center; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: var(--r-full);
  background: var(--c-card); border: 1px solid var(--c-border);
  font-size: 0.78rem; font-weight: 600; color: var(--c-primary);
  letter-spacing: 0.05em;
}
.hero-eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-success); box-shadow: 0 0 0 4px rgba(16,185,129,0.2); animation: pulse 2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 10px rgba(16,185,129,0); } }
.hero h1 { margin: var(--sp-5) 0 var(--sp-5); }
.hero h1 .grad {
  background: linear-gradient(120deg, var(--c-primary), var(--c-secondary));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lead { font-size: var(--fs-lg); color: var(--c-text-muted); max-width: 580px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin: var(--sp-6) 0; }
.hero-stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-4);
  padding-top: var(--sp-6); border-top: 1px solid var(--c-border); max-width: 540px;
}
.hero-stats .stat .num {
  font-family: var(--ff-heading); font-size: var(--fs-2xl);
  font-weight: 800; color: var(--c-primary); line-height: 1;
}
.hero-stats .stat .lbl { color: var(--c-text-soft); font-size: 0.85rem; margin-top: 4px; }

.hero-visual {
  position: relative; aspect-ratio: 4/3; border-radius: var(--r-xl);
  background:
    linear-gradient(135deg, rgba(15,118,110,0.15), rgba(212,175,55,0.15)),
    var(--c-card);
  box-shadow: var(--sh-lg);
  overflow: hidden; display: flex; align-items: center; justify-content: center;
}
.hero-visual .arabic-display {
  font-family: var(--ff-arabic); font-size: clamp(3rem, 8vw, 6rem);
  color: var(--c-primary); text-align: center; line-height: 1.4;
  padding: 1rem;
}
.hero-visual .badge-floating {
  position: absolute; background: var(--c-card);
  border-radius: var(--r-lg); padding: 0.8rem 1.2rem;
  box-shadow: var(--sh-lg); display: flex; gap: 0.8rem; align-items: center;
  border: 1px solid var(--c-border);
}
.hero-visual .badge-floating.top    { top: 20px; left: 20px; animation: float 5s ease-in-out infinite; }
.hero-visual .badge-floating.bottom { bottom: 20px; right: 20px; animation: float 6s ease-in-out infinite reverse; }
@keyframes float { 50% { transform: translateY(-12px); } }
.hero-visual .badge-floating .icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-700));
  color: #fff; display: inline-flex; align-items: center; justify-content: center;
}
.hero-visual .badge-floating strong { display: block; font-size: 0.9rem; color: var(--c-text); }
.hero-visual .badge-floating span   { font-size: 0.75rem; color: var(--c-text-soft); }

.hero-pattern {
  position: absolute; inset: 0; opacity: 0.04; pointer-events: none; z-index: 1;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="80" height="80" viewBox="0 0 80 80"><path fill="none" stroke="%230F766E" stroke-width="1" d="M40 0 L80 40 L40 80 L0 40 Z M40 15 L65 40 L40 65 L15 40 Z M40 30 L50 40 L40 50 L30 40 Z"/></svg>');
}

@media (min-width: 960px) {
  .hero-inner { grid-template-columns: 1.1fr 1fr; gap: var(--sp-12); }
  .hero { padding: calc(var(--nav-h) + var(--sp-16)) 0 var(--sp-20); }
}

/* ---------- Grids ---------- */
.grid          { display: grid; gap: var(--sp-6); }
.grid-2        { grid-template-columns: 1fr; }
.grid-3        { grid-template-columns: 1fr; }
.grid-4        { grid-template-columns: 1fr; }
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-dark-bg); color: #cbd5e1;
  padding: var(--sp-16) 0 var(--sp-8); margin-top: var(--sp-20);
  position: relative; overflow: hidden;
}
.site-footer::before {
  content: ''; position: absolute; inset: 0; opacity: 0.08; pointer-events: none;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60" viewBox="0 0 60 60"><path fill="none" stroke="%23D4AF37" stroke-width="1" d="M30 0 L60 30 L30 60 L0 30 Z"/></svg>');
}
.footer-grid {
  display: grid; gap: var(--sp-8);
  grid-template-columns: 1fr;
  position: relative; z-index: 1;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: var(--sp-4); }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.footer-col a { color: #cbd5e1; font-size: 0.92rem; transition: color var(--dur); }
.footer-col a:hover { color: var(--c-secondary); }
.footer-brand { font-family: var(--ff-heading); font-size: 1.3rem; font-weight: 800; color: #fff; margin-bottom: var(--sp-3); }
.footer-tagline { color: #94a3b8; font-size: 0.92rem; max-width: 280px; }
.footer-social { display: flex; gap: 10px; margin-top: var(--sp-4); }
.footer-social a {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,0.08); display: inline-flex;
  align-items: center; justify-content: center; color: #fff;
}
.footer-social a:hover { background: var(--c-secondary); color: #1c1300; }
.footer-social svg { width: 16px; height: 16px; }
.footer-bottom {
  margin-top: var(--sp-10); padding-top: var(--sp-5);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; flex-wrap: wrap; gap: var(--sp-4); justify-content: space-between;
  color: #94a3b8; font-size: 0.85rem; position: relative; z-index: 1;
}

/* ---------- Floating WhatsApp ---------- */
.fab-whatsapp {
  position: fixed; right: 18px; bottom: 92px;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 28px rgba(37,211,102,0.5);
  z-index: 90; transition: transform var(--dur);
}
.fab-whatsapp:hover { transform: scale(1.08); color: #fff; }
.fab-whatsapp svg { width: 28px; height: 28px; }
@media (min-width: 768px) { .fab-whatsapp { bottom: 28px; right: 28px; } }

/* ---------- Sticky Mobile CTA Bar ---------- */
.mobile-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 80;
  display: grid; grid-template-columns: repeat(3, 1fr);
  background: var(--c-card); border-top: 1px solid var(--c-border);
  box-shadow: 0 -8px 20px rgba(15,23,42,0.1);
}
.mobile-bar a {
  padding: 0.7rem 0.5rem; text-align: center;
  font-size: 0.78rem; font-weight: 600; color: var(--c-text);
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  border-right: 1px solid var(--c-border);
}
.mobile-bar a:last-child { border-right: 0; }
.mobile-bar a:hover { color: var(--c-primary); background: var(--c-accent); }
.mobile-bar a.cta-trial { background: var(--c-primary); color: #fff; }
.mobile-bar a svg { width: 18px; height: 18px; }
@media (min-width: 768px) { .mobile-bar { display: none; } }
body.has-mobile-bar { padding-bottom: 64px; }
@media (min-width: 768px) { body.has-mobile-bar { padding-bottom: 0; } }