/* ===== Custom Styles ===== */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection color */
::selection {
    background-color: rgba(94, 234, 212, 0.3);
    color: #0f1e35;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Reveal animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* Floating stat card animation */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.floating-card-1 { animation: float 6s ease-in-out infinite; }
.floating-card-2 { animation: float 6s ease-in-out 1s infinite; }
.floating-card-3 { animation: float 6s ease-in-out 2s infinite; }
.floating-card-4 { animation: float 6s ease-in-out 3s infinite; }

/* Mobile menu transitions */
#mobile-menu {
    transition: opacity 0.3s ease, pointer-events 0.3s ease;
}

#mobile-menu.open {
    opacity: 1;
    pointer-events: auto;
}

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

/* Menu line animation */
.menu-line {
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

#menu-toggle[aria-expanded="true"] .menu-line:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

#menu-toggle[aria-expanded="true"] .menu-line:nth-child(2) {
    opacity: 0;
}

#menu-toggle[aria-expanded="true"] .menu-line:nth-child(3) {
    top: 50%;
    transform: translateY(-50%) rotate(-45deg);
}

/* Navbar scrolled state */
#site-header.scrolled {
    background-color: rgba(250, 254, 251, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(15, 30, 53, 0.06);
}

/* Mobile nav link transition */
.mobile-nav-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.2s ease;
}

#mobile-menu.open .mobile-nav-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-nav-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-nav-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-nav-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-nav-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-nav-link:nth-child(5) { transition-delay: 0.25s; }

/* Focus visible styles */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid #5eead4;
    outline-offset: 2px;
    border-radius: 4px;
}

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

::-webkit-scrollbar-track {
    background: #f0fdf7;
}

::-webkit-scrollbar-thumb {
    background: #a7bddf;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #7e9dcf;
}