/* Base styles */
html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navbar scroll state */
.nav-scrolled {
    background: rgba(255, 255, 255, 0.92) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 20px rgba(15, 28, 63, 0.06);
}

.nav-scrolled .nav-link {
    color: #1e3a5f !important;
}

.nav-scrolled .menu-line {
    background: #0F1C3F !important;
}

.nav-scrolled .brand-logo {
    filter: none;
}

/* Mobile menu */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

#mobile-menu.open {
    max-height: 400px;
}

.mobile-nav-link {
    transition: color 0.2s, padding-left 0.2s;
}

.mobile-nav-link:hover {
    color: #1AB878;
    padding-left: 8px;
}

/* Hamburger animation */
.menu-line {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#menu-toggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

#menu-toggle.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.25rem;
}

/* Floating animations */
@keyframes float-slow {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(0.5deg); }
}

@keyframes float-medium {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-16px) rotate(-0.5deg); }
}

@keyframes float-fast {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(0.5deg); }
}

.animate-float-slow {
    animation: float-slow 4s ease-in-out infinite;
}

.animate-float-medium {
    animation: float-medium 3.2s ease-in-out infinite;
}

.animate-float-fast {
    animation: float-fast 2.6s ease-in-out infinite;
}

/* Menu cards */
.menu-card {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
}

.menu-card:hover {
    transform: translateY(-4px);
}

/* Scroll reveal (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Selection color */
::selection {
    background: rgba(26, 184, 120, 0.2);
    color: #0F1C3F;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #F0FFF8;
}
::-webkit-scrollbar-thumb {
    background: #B5F0D6;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #7DE4B4;
}

/* Focus visible */
:focus-visible {
    outline: 2px solid #1AB878;
    outline-offset: 2px;
    border-radius: 4px;
}