/* Base styles & custom properties */
:root {
    --emerald-50: #ecfdf5;
    --emerald-100: #d1fae5;
    --emerald-200: #a7f3d0;
    --emerald-300: #6ee7b7;
    --emerald-400: #34d399;
    --emerald-500: #10b981;
    --emerald-600: #059669;
    --emerald-700: #047857;
    --emerald-800: #065f46;
    --emerald-900: #064e3b;
    --cream-50: #fffbf5;
    --cream-100: #fff8e7;
}

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--cream-50);
}
::-webkit-scrollbar-thumb {
    background: var(--emerald-300);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--emerald-400);
}

/* Selection color */
::selection {
    background: var(--emerald-200);
    color: var(--emerald-900);
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(-2deg); }
}

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

@keyframes scroll-line {
    0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
    50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-float-delayed {
    animation: float-delayed 8s ease-in-out infinite;
}

.animate-float-slow {
    animation: float-slow 10s ease-in-out infinite;
}

.animate-scroll-line {
    animation: scroll-line 2s ease-in-out infinite;
}

/* Scroll reveal base states - content is VISIBLE by default */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
}

/* Only apply animation states when JS adds the class */
.reveal-up.animated {
    animation: revealUp 0.7s ease forwards;
}

.reveal-left.animated {
    animation: revealLeft 0.7s ease forwards;
}

.reveal-right.animated {
    animation: revealRight 0.7s ease forwards;
}

@keyframes revealUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes revealLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes revealRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Reduced motion preference */
@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-up,
    .reveal-left,
    .reveal-right {
        opacity: 1;
        transform: none;
    }
}

/* Navbar transparent state */
.nav-logo-text {
    color: #064e3b;
}

/* Mobile menu active state */
#mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--emerald-500);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Image loading placeholder */
img {
    background: linear-gradient(135deg, var(--emerald-100) 0%, var(--cream-100) 100%);
}

/* Print styles */
@media print {
    nav, .animate-float, .animate-float-delayed, .animate-float-slow,
    .animate-scroll-line {
        display: none !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}