/* ===== Base & Utilities ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

/* ===== Scroll Reveal ===== */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(30px);
    }
}

/* ===== Navbar ===== */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(10, 15, 30, 0.95);
    backdrop-filter: blur(16px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

/* ===== Mobile Menu ===== */
#mobileMenu {
    animation: slideDown 0.3s ease forwards;
}

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

/* ===== Custom Selection ===== */
::selection {
    background: #4bb885;
    color: #0f1830;
}

/* ===== Smooth image loading ===== */
img {
    backface-visibility: hidden;
}

/* ===== Focus styles ===== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #7ed4ab;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== Contact Form (if needed) ===== */
input, textarea {
    font-family: 'Nunito', system-ui, sans-serif;
}

/* ===== Subtle card hover glow ===== */
.group:hover .group-hover\:bg-mint-400 {
    transition: background-color 0.4s ease;
}

/* ===== Print styles ===== */
@media print {
    #navbar, #hero .scroll-indicator {
        display: none;
    }
    body {
        color: #000;
        background: #fff;
    }
}