/* Base styles and custom utilities */
:root {
    --emerald-700: #047857;
    --emerald-900: #064e3b;
    --cream-50: #FFFDF7;
    --cream-100: #FFF9EC;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'DM Sans', sans-serif;
    background-color: var(--cream-50);
    color: var(--emerald-900);
    -webkit-font-smoothing: antialiased;
}

/* Navbar scroll state */
#navbar.scrolled {
    background-color: rgba(255, 253, 247, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(4, 120, 87, 0.08);
}

/* Mobile menu */
#mobile-menu.active {
    display: block;
    animation: slideDown 0.25s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.menu-line {
    transition: all 0.3s ease;
}

#menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
#menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}
#menu-btn.active .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Scroll reveal */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .scroll-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    html {
        scroll-behavior: auto;
    }
    .group img {
        transition: none;
    }
    .animate-float, .animate-float-delayed {
        animation: none;
    }
}

/* Media query for scroll reveal (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(24px);
    }
    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Float animation */
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(12deg); }
    50% { transform: translateY(-16px) rotate(12deg); }
}

@keyframes floatDelayed {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(0deg); }
}

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

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--cream-50);
}
::-webkit-scrollbar-thumb {
    background: #a7f3d0;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #34d399;
}

/* Focus styles */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid #047857;
    outline-offset: 2px;
    border-radius: 4px;
}