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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    overflow-x: hidden;
}

::selection {
    background: rgba(123, 45, 59, 0.15);
    color: inherit;
}

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        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-up.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fallback: always visible if JS disabled or prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .reveal-up {
        opacity: 1;
        transform: none;
    }
}

/* ── Hero fade-in animations ── */
@keyframes heroFade {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-fade {
    animation: heroFade 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* ── Navbar transitions ── */
#navbar.scrolled {
    background: rgba(255, 249, 248, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(123, 45, 59, 0.08);
}

#navbar.scrolled .nav-link {
    color: #7B2D3B;
}

#navbar.scrolled .nav-link:hover {
    color: #b82840;
}

/* ── Mobile menu transitions ── */
.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* ── Menu line animation ── */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menu-toggle[aria-expanded="true"] .menu-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}

#menu-toggle[aria-expanded="true"] .menu-line:nth-child(2) {
    transform: translateY(-4px) rotate(-45deg);
}

/* ── Form select arrow ── */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237B2D3B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0 center;
    padding-right: 2rem;
}

/* ── Date input styling ── */
input[type="date"] {
    color-scheme: light;
}

/* ── Smooth image loading ── */
img {
    display: block;
    max-width: 100%;
}

/* ── Focus visible for accessibility ── */
:focus-visible {
    outline: 2px solid #7B2D3B;
    outline-offset: 2px;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #fff9f8;
}

::-webkit-scrollbar-thumb {
    background: #f3a7b8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #d4435e;
}