/* ========== BASE & RESET ========== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
}

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

@keyframes float-medium {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-7px); }
}

@keyframes float-fast {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

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

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

.animate-float-fast {
    animation: float-fast 3.5s ease-in-out infinite;
}

/* ========== SCROLL REVEAL (below fold only) ========== */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
    }

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

/* Stagger delays */
.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; }

/* ========== NAVBAR SCROLLED STATE ========== */
#navbar.scrolled {
    background: rgba(253, 249, 243, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 20px rgba(4, 120, 87, 0.08);
}

#navbar.scrolled .font-display {
    color: #064e3b;
}

/* ========== MOBILE MENU ========== */
#mobile-menu {
    animation: slideDown 0.25s ease;
}

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

/* ========== SELECT STYLING ========== */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* ========== CUSTOM SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #FDF9F3;
}
::-webkit-scrollbar-thumb {
    background: #a7f3d0;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #6ee7b7;
}