/* ── Reset & Base ── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    min-height: 100vh;
}

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

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
        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:nth-child(2) { transition-delay: 0.1s; }
    .reveal:nth-child(3) { transition-delay: 0.2s; }
}

/* Reduced motion: ensure content is always visible */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ── Navbar scroll state ── */
#navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(10, 21, 35, 0.06);
}

#navbar.scrolled .font-serif {
    color: #0a1523;
}

/* ── Mobile menu transitions ── */
#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);
    }
}

.mobile-link {
    position: relative;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #34b86a;
    transition: width 0.3s ease;
}

.mobile-link:hover::after {
    width: 100%;
}

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

::-webkit-scrollbar-track {
    background: #f2fdf6;
}

::-webkit-scrollbar-thumb {
    background: #bdf0d0;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #8ee4af;
}

/* ── Selection ── */
::selection {
    background: #bdf0d0;
    color: #0a1523;
}

/* ── Focus visible ── */
:focus-visible {
    outline: 2px solid #34b86a;
    outline-offset: 2px;
}

/* ── Utility ── */
@media (max-width: 767px) {
    .font-serif {
        line-height: 1.15;
    }
}