/* ═══════════════════════════════════════════
   Kelly's Snacks — Custom Styles
   ═══════════════════════════════════════════ */

/* ── Base ── */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: #99f6e4;
    color: #134e4a;
}

/* ── Header scroll state ── */
#site-header.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06), 0 4px 20px rgba(0, 0, 0, 0.04);
}

#site-header.scrolled .nav-link {
    color: #334155;
}

#site-header.scrolled .nav-link:hover {
    color: #0d9488;
    background: #f0fdfa;
}

/* ── Card hover effect ── */
.card-hover {
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s ease;
}

.card-hover:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

/* ── Animations ── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes bounceSlow {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(6px); }
}

.animate-fade-in-up {
    animation: fadeInUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.animate-fade-in {
    animation: fadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.animate-float {
    animation: float 3.5s ease-in-out infinite;
}

.animate-bounce-slow {
    animation: bounceSlow 2s ease-in-out infinite;
}

/* ── Scroll reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.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; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Back to top ── */
.back-to-top {
    opacity: 0;
    transform: translateY(16px);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* ── Mobile menu transitions ── */
.mobile-menu-open {
    overflow: hidden;
}

#mobile-menu.open {
    opacity: 1;
    pointer-events: auto;
}

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

/* ── Focus styles ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #14b8a6;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ── Responsive tweaks ── */
@media (max-width: 640px) {
    .font-serif {
        line-height: 1.15;
    }
}

@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; }
}