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

body {
    overflow-x: hidden;
}

.font-serif {
    font-weight: 400;
}

.font-serif em,
.font-serif i {
    font-style: italic;
}

/* Selection */
::selection {
    background: rgba(5, 150, 105, 0.2);
    color: #064e3b;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #FDFCF8;
}
::-webkit-scrollbar-thumb {
    background: #a7f3d0;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #6ee7b7;
}

/* Scrollbar for dark sections */
#visit ::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.15);
}

/* Animations */
@keyframes scrollDown {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(200%); }
}

.animate-scrollDown {
    animation: scrollDown 1.5s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(2deg); }
}

@keyframes floatReverse {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(10px) rotate(-2deg); }
}

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

.animate-float-reverse {
    animation: floatReverse 7s ease-in-out infinite;
}

/* Scroll Reveal (progressive enhancement — content is visible by default) */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    .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; }
}

/* No JS fallback — ensure everything is visible */
.no-js .reveal {
    opacity: 1;
    transform: none;
}

/* Header transition */
header.scrolled #headerBg {
    background: rgba(253, 252, 248, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(5, 150, 105, 0.08), 0 4px 20px rgba(0, 0, 0, 0.04);
}

header.scrolled #hamburger span {
    background: #047857;
}

/* Mobile menu */
#mobileMenu.open {
    opacity: 1 !important;
    pointer-events: auto !important;
    transform: translateY(0) !important;
}

/* Hamburger animation */
#menuBtn[aria-expanded="true"] #bar1 {
    transform: translateY(3.5px) rotate(45deg);
}
#menuBtn[aria-expanded="true"] #bar2 {
    opacity: 0;
    transform: scaleX(0);
}
#menuBtn[aria-expanded="true"] #bar3 {
    transform: translateY(-3.5px) rotate(-45deg);
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid #34d399;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Image aspect ratios */
img {
    display: block;
    max-width: 100%;
}

/* Print styles */
@media print {
    header, footer, #contactForm, .animate-float, .animate-float-reverse {
        display: none !important;
    }
    body {
        color: #000;
        background: #fff;
    }
}