/* ── Base & Utilities ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { overflow-x: hidden; }

/* ── Navbar ── */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}
#navbar.scrolled {
    background: rgba(253, 252, 250, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(180, 160, 130, 0.15);
}

/* ── Floating cards ── */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}
@keyframes float-delayed {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}
.floating-card-1 { animation: float 4s ease-in-out infinite; }
.floating-card-2 { animation: float-delayed 5s ease-in-out infinite; }
.floating-card-3 { animation: float 4.5s ease-in-out infinite; }

/* ── Card hover ── */
.card-hover {
    transform: translateY(0);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.card-hover:hover {
    transform: translateY(-6px);
}

/* ── Reveal on scroll ── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible {
    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; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ── Mobile menu ── */
#mobile-menu {
    animation: slideDown 0.3s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Selection ── */
::selection {
    background: rgba(194, 112, 78, 0.15);
    color: #552D21;
}

/* ── Focus ── */
a:focus-visible, button:focus-visible {
    outline: 2px solid #C2704E;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ── Smooth image loading ── */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}