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

html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    overflow-x: hidden;
}

/* ===== Marquee Animation ===== */
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.animate-marquee {
    animation: marquee 30s linear infinite;
}

/* ===== Scroll Reveal (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
}

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

#navbar.scrolled {
    background: rgba(254, 252, 246, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(185, 29, 68, 0.1);
}

/* ===== Mobile Menu ===== */
#mobile-menu {
    animation: slideDown 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* ===== Hamburger Animation ===== */
#menu-btn[aria-expanded="true"] #bar1 {
    transform: translateY(7px) rotate(45deg);
}

#menu-btn[aria-expanded="true"] #bar2 {
    opacity: 0;
    transform: scaleX(0);
}

#menu-btn[aria-expanded="true"] #bar3 {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== Back to top ===== */
#back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

/* ===== Focus styles ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #b91d44;
    outline-offset: 2px;
    border-radius: 0.5rem;
}

/* ===== Selection ===== */
::selection {
    background: #fce7eb;
    color: #7c1331;
}