/* =============================================
   Rouge Nutrition BR — Custom Styles
   ============================================= */

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

body {
    overflow-x: hidden;
}

::selection {
    background-color: #99f6e4;
    color: #042f2e;
}

/* --- Nav active state --- */
.nav-link.active {
    color: #0d9488;
    background-color: #f0fdfa;
}

/* --- Scroll reveal (progressive enhancement) --- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .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; }
}

/* Fallback: content always visible if JS disabled */
.no-js .reveal,
.js .reveal {
    opacity: 1;
    transform: none;
}

/* --- Navbar shadow on scroll --- */
.navbar-scrolled {
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

/* --- Input focus styles --- */
input:focus,
textarea:focus {
    outline: none;
}

/* --- Image loading placeholder --- */
img {
    background-color: #f1f5f9;
}

/* --- Mobile menu animation --- */
#mobile-menu {
    animation: slideDown 0.3s ease-out;
}

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

/* --- Button ripple effect (subtle) --- */
button[type="submit"]:active {
    transform: scale(0.98);
}

/* --- Smooth image transitions --- */
img {
    transition: filter 0.3s ease;
}

img:hover {
    filter: brightness(1.02);
}

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