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

/* ─── Floating Animations ─── */
@keyframes float-slow {
    0%, 100% { transform: translateY(0px) rotate(2deg); }
    50% { transform: translateY(-18px) rotate(2deg); }
}
@keyframes float-medium {
    0%, 100% { transform: translateY(0px) rotate(-1deg); }
    50% { transform: translateY(-14px) rotate(-1deg); }
}
@keyframes float-fast {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}
.animate-float-slow { animation: float-slow 6s ease-in-out infinite; }
.animate-float-medium { animation: float-medium 4.5s ease-in-out infinite; }
.animate-float-fast { animation: float-fast 3.5s ease-in-out infinite; }

/* ─── Navbar ─── */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}
#navbar.scrolled {
    background: rgba(250, 245, 252, 0.92);
    backdrop-filter: blur(16px);
    box-shadow: 0 1px 20px rgba(123, 45, 142, 0.08);
}

/* ─── Mobile Menu ─── */
.mobile-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(123, 45, 142, 0.08);
    transition: color 0.2s, padding-left 0.2s;
}
.mobile-link:hover { color: #7B2D8E; padding-left: 0.5rem; }

#mobile-menu {
    animation: slideDown 0.3s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ─── Scroll Reveal ─── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    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; }

/* ─── Custom Selection ─── */
::selection {
    background: rgba(123, 45, 142, 0.2);
    color: #3d174a;
}

/* ─── Focus Styles ─── */
input:focus, select:focus, textarea:focus {
    outline: none;
}

/* ─── Smooth Image Loading ─── */
img {
    image-rendering: auto;
    will-change: transform;
}

/* ─── Section Divider Line ─── */
section > .absolute.top-0 {
    background: linear-gradient(90deg, #b87ccc 0%, #F5C518 50%, #b87ccc 100%);
    opacity: 0.6;
}

/* ─── Form Transitions ─── */
#form-success {
    animation: fadeInUp 0.5s ease;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ─── Reduced Motion ─── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}