/* ===== Base & Utilities ===== */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background-color: rgba(157, 196, 157, 0.3);
    color: #1a3a1a;
}

/* ===== Scroll Reveal Animations ===== */
.reveal-up,
.reveal-left,
.reveal-right,
.reveal-dot {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-right {
    transform: translateX(40px);
}

.reveal-dot {
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible,
.reveal-dot.visible {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

/* ===== Floating Decorations ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(3deg); }
}

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

@keyframes pulse-slow {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

@keyframes pulse-delay {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.15); }
}

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

.animate-float-delay {
    animation: float-delay 5s ease-in-out infinite 1s;
}

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

.animate-pulse-delay {
    animation: pulse-delay 5s ease-in-out infinite 1.5s;
}

/* ===== Navbar ===== */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: width 0.3s ease;
    border-radius: 1px;
}

.nav-link:hover::after {
    width: 100%;
}

/* ===== Mobile Menu ===== */
.menu-line {
    display: block;
}

#mobile-toggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

#mobile-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: translateX(8px);
}

#mobile-toggle.active .menu-line:nth-child(3) {
    width: 20px;
    transform: rotate(-45deg) translate(4px, -4px);
}

.mobile-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(61, 102, 61, 0.1);
    transition: color 0.2s ease, padding-left 0.2s ease;
}

.mobile-link:hover {
    color: #3d663d;
    padding-left: 0.75rem;
}

.mobile-link:last-child {
    border-bottom: none;
}

/* ===== 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-up,
    .reveal-left,
    .reveal-right,
    .reveal-dot {
        opacity: 1;
        transform: none;
    }
}

/* ===== Focus Styles ===== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #6fa36f;
    outline-offset: 4px;
    border-radius: 4px;
}

/* ===== Image Loading ===== */
img {
    background-color: #e3efe3;
}

/* ===== Smooth image transitions ===== */
.group img {
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

::-webkit-scrollbar-track {
    background: #fdf9ed;
}

::-webkit-scrollbar-thumb {
    background: #c6dfc6;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #9dc49d;
}