/* Base & Utilities */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    overflow-x: hidden;
}

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(15, 24, 40, 0.06), 0 4px 20px rgba(15, 24, 40, 0.04);
}

.navbar-scrolled .nav-text {
    color: rgba(15, 24, 40, 0.7) !important;
}

.navbar-scrolled .navbar-logo-text {
    color: #0f1828 !important;
}

/* Mobile menu */
.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

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

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

/* Menu button animation */
.menu-open #bar1 {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-open #bar2 {
    opacity: 0;
}

.menu-open #bar3 {
    width: 20px;
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Scroll reveal animations */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.revealed {
    opacity: 1;
    transform: translate(0, 0);
}

/* Stat cards floating animation */
.stat-card {
    animation: float 6s ease-in-out infinite;
}

.stat-card:nth-child(2) {
    animation-delay: -2s;
}

.stat-card:nth-child(3) {
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

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

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

::-webkit-scrollbar-track {
    background: #f0f4f9;
}

::-webkit-scrollbar-thumb {
    background: #b3c5df;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #8da9cf;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .stat-card {
        animation: none;
    }
    
    html {
        scroll-behavior: auto;
    }
}