/* ── Reset & Base ────────────────────────────────────── */
*, *::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;
}

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

/* ── Fade-in-up animation (hero only — above the fold) ─ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(28px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation-name: fadeInUp;
    animation-duration: 0.9s;
    animation-timing-function: cubic-bezier(0.22, 1, 0.36, 1);
    animation-fill-mode: both;
}

/* ── Scroll reveal (below the fold only) ─────────────── */
.reveal {
    /* Default state: fully visible — no JS required */
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-hidden {
    /* Only applied by JS — progressive enhancement */
    opacity: 0;
    transform: translateY(32px);
}

/* Respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .reveal.is-hidden {
        opacity: 1;
        transform: none;
    }
    html {
        scroll-behavior: auto;
    }
    .animate-fade-in-up {
        animation: none;
        opacity: 1;
        transform: none;
    }
}

/* ── Navbar ──────────────────────────────────────────── */
#navbar {
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
}

#navbar.scrolled {
    background: rgba(4, 10, 28, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

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

#mobile-menu a {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-size: 2rem;
    letter-spacing: 0.02em;
}

@media (min-width: 1024px) {
    #mobile-menu a {
        font-size: 1.125rem;
        letter-spacing: 0.2em;
        text-transform: uppercase;
    }
}

/* ── Selection ───────────────────────────────────────── */
::selection {
    background: rgba(212, 154, 26, 0.25);
    color: #f4e0a8;
}

/* ── Form focus styles ───────────────────────────────── */
input:focus,
textarea:focus {
    outline: none;
    box-shadow: 0 0 0 1px rgba(212, 154, 26, 0.4);
}

/* ── Smooth scroll offset for fixed nav ──────────────── */
section[id] {
    scroll-margin-top: 80px;
}