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

html {
    scroll-behavior: smooth;
}

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

/* ===== ANIMATIONS ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

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

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

.animate-marquee {
    animation: marquee 20s linear infinite;
}

/* ===== MOBILE MENU ANIMATIONS ===== */
.menu-line-1 {
    transform-origin: center;
}

.menu-line-2 {
    opacity: 1;
}

.menu-line-3 {
    transform-origin: center;
}

#mobile-menu-btn.active .menu-line-1 {
    transform: translateY(8px) rotate(45deg);
}

#mobile-menu-btn.active .menu-line-2 {
    opacity: 0;
    transform: scaleX(0);
}

#mobile-menu-btn.active .menu-line-3 {
    transform: translateY(-8px) rotate(-45deg);
}

/* ===== SCROLL REVEAL (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

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

    .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; }
}

/* ===== FOCUS STYLES ===== */
a:focus-visible, button:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 2px;
    border-radius: 4px;
}

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

::-webkit-scrollbar-track {
    background: #fefdf8;
}

::-webkit-scrollbar-thumb {
    background: #9dbe7e;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #72a14f;
}