/* ===== Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'IBM Plex Sans Arabic', 'Tajawal', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== Hero Grid Background ===== */
.hero-grid {
    background-image:
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* ===== Scroll Animations ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Floating Animation ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* ===== Navbar Styles ===== */
#navbar {
    background: transparent;
    transition: all 0.3s ease;
}

#navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* ===== FAQ Styles ===== */
.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.faq-item.active .faq-content {
    max-height: 200px;
}

/* ===== WhatsApp Button Pulse ===== */
#whatsapp-btn::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 9999px;
    background: #25D366;
    opacity: 0;
    animation: whatsapp-pulse 2s ease-in-out infinite;
}

@keyframes whatsapp-pulse {
    0%, 100% { opacity: 0; transform: scale(1); }
    50% { opacity: 0.3; transform: scale(1.15); }
}

/* ===== Feature Card Hover ===== */
.feature-card:hover {
    transform: translateY(-4px);
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0F172A;
}

::-webkit-scrollbar-thumb {
    background: #1E293B;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

/* ===== Selection Color ===== */
::selection {
    background: rgba(16, 185, 129, 0.3);
    color: inherit;
}

/* ===== Mobile Menu Transition ===== */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

#mobile-menu.show {
    display: block;
    max-height: 500px;
}

/* ===== Pricing Card Gradient Border ===== */
.pricing-popular {
    position: relative;
}

.pricing-popular::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 1rem;
    padding: 1px;
    background: linear-gradient(135deg, #10B981, #059669);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 640px) {
    .hero-grid {
        background-size: 40px 40px;
    }
}

/* ===== Focus States for Accessibility ===== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #10B981;
    outline-offset: 2px;
    border-radius: 4px;
}