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

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

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

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

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

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

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

.animate-fade-up {
    animation: fade-up 0.8s ease-out forwards;
}

.animate-fade-up-delay {
    animation: fade-up 0.8s ease-out 0.15s forwards;
    opacity: 0;
}

.animate-fade-up-delay-2 {
    animation: fade-up 0.8s ease-out 0.3s forwards;
    opacity: 0;
}

.animate-fade-up-delay-3 {
    animation: fade-up 0.8s ease-out 0.45s forwards;
    opacity: 0;
}

.animate-fade-up-delay-4 {
    animation: fade-up 0.8s ease-out 0.6s forwards;
    opacity: 0;
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Header styles */
#header {
    background: transparent;
}

#header.scrolled {
    background: rgba(253, 252, 248, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(22, 101, 52, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #166534;
    border-radius: 1px;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 60%;
}

/* Service cards */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #166534, #34d399);
    opacity: 0;
    transition: opacity 0.5s ease;
    border-radius: 3px 3px 0 0;
}

.service-card:hover::before {
    opacity: 1;
}

/* Mobile menu */
#mobile-menu {
    animation: slide-down 0.3s ease;
}

@keyframes slide-down {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-link {
    display: block;
}

/* Form styles */
input:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(22, 101, 52, 0.1);
}

/* Smooth transitions for all interactive elements */
a, button {
    transition: all 0.3s ease;
}

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

::-webkit-scrollbar-track {
    background: #f0f7f1;
}

::-webkit-scrollbar-thumb {
    background: #a8d4b1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #71b87e;
}

/* Selection color */
::selection {
    background: #a8d4b1;
    color: #166534;
}