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

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

body {
    margin: 0;
    background-color: #fff9f8;
    color: #6f1c31;
}

img {
    display: block;
    max-width: 100%;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #fff9f8;
}
::-webkit-scrollbar-thumb {
    background: #f5a8b8;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #c22847;
}

/* ─── Navbar scroll state ─── */
#navbar.scrolled {
    background: rgba(255, 249, 248, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(161, 29, 57, 0.08);
}

/* ─── Mobile menu ─── */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.mobile-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

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

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.3s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.4s; }

/* ─── Mobile menu lines ─── */
.menu-line {
    display: block;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menu-toggle.active .menu-line:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}
#menu-toggle.active .menu-line:nth-child(2) {
    transform: translateY(-5px) rotate(-45deg);
    opacity: 0;
}

/* ─── Scroll reveal (below fold only, progressive enhancement) ─── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        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; }
}

/* ─── Selection ─── */
::selection {
    background: #fce7eb;
    color: #6f1c31;
}