/* Antigravity polish: shared cross-page layer */
:root {
    --ag-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --ag-fast: 0.26s;
    --ag-medium: 0.45s;
    --ag-reveal-distance: 24px;
    --ag-grain-opacity: 0.06;
    --ag-focus-ring: rgba(236, 106, 55, 0.38);
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: var(--ag-grain-opacity);
    background-image:
        radial-gradient(circle at 20% 20%, rgba(47, 42, 36, 0.18) 0.5px, transparent 0.9px),
        radial-gradient(circle at 80% 0%, rgba(47, 42, 36, 0.14) 0.6px, transparent 1px);
    background-size: 3px 3px, 4px 4px;
    mix-blend-mode: multiply;
}

main, #navbar, #mobile-overlay, #footer {
    position: relative;
    z-index: 2;
}

#navbar {
    background-color: rgba(251, 248, 243, 0.86);
    backdrop-filter: blur(12px) saturate(1.12);
    -webkit-backdrop-filter: blur(12px) saturate(1.12);
    border-bottom: 1px solid var(--border);
    transition: inset var(--ag-medium) var(--ag-ease),
                height var(--ag-medium) var(--ag-ease),
                border-radius var(--ag-medium) var(--ag-ease),
                border-color var(--ag-medium) var(--ag-ease),
                box-shadow var(--ag-medium) var(--ag-ease),
                background-color var(--ag-medium) var(--ag-ease);
}

#navbar.scrolled {
    inset: 12px 20px auto 20px;
    height: 64px;
    border: 1px solid rgba(255, 255, 255, 0.48);
    border-radius: 16px;
    background-color: rgba(251, 248, 243, 0.76);
    box-shadow: 0 14px 34px rgba(47, 42, 36, 0.14);
}

.nav-list > li > a.is-active {
    color: var(--charcoal);
    background-color: rgba(47, 42, 36, 0.06);
    box-shadow: inset 0 -1px 0 rgba(47, 42, 36, 0.2);
}

.mobile-link.is-active {
    color: var(--charcoal);
    background-color: rgba(236, 106, 55, 0.1);
}

.btn-primary,
.hero-btn-primary,
.angebot-cta,
.cal-load-btn,
.mobile-cta {
    position: relative;
    overflow: hidden;
    transition: transform var(--ag-fast) var(--ag-ease),
                box-shadow var(--ag-fast) var(--ag-ease),
                background-color var(--ag-fast) ease,
                padding-right var(--ag-fast) var(--ag-ease);
}

.btn-primary::after,
.hero-btn-primary::after,
.angebot-cta::after,
.cal-load-btn::after,
.mobile-cta::after {
    content: '\2192';
    position: absolute;
    right: -1.2rem;
    opacity: 0;
    transition: right var(--ag-fast) var(--ag-ease), opacity var(--ag-fast) var(--ag-ease);
}

.btn-primary:hover,
.hero-btn-primary:hover,
.angebot-cta:hover,
.cal-load-btn:hover,
.mobile-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 16px rgba(236, 106, 55, 0.18);
    padding-right: 2.25rem;
}

.btn-primary:hover::after,
.hero-btn-primary:hover::after,
.angebot-cta:hover::after,
.cal-load-btn:hover::after,
.mobile-cta:hover::after {
    right: 0.95rem;
    opacity: 1;
}

.leis-pillar,
.problem-item,
.demo-card,
.ablauf-step,
.angebot-card {
    transition: transform var(--ag-medium) var(--ag-ease),
                box-shadow var(--ag-medium) var(--ag-ease),
                border-color var(--ag-medium) var(--ag-ease),
                background-color var(--ag-medium) var(--ag-ease);
    will-change: transform;
}

.leis-pillar:hover,
.problem-item:hover,
.demo-card:hover,
.ablauf-step:hover,
.angebot-card:hover {
    transform: translateY(-5px);
    border-color: rgba(236, 106, 55, 0.28);
    box-shadow: 0 14px 28px rgba(47, 42, 36, 0.09), 0 0 0 1px rgba(236, 106, 55, 0.1);
}

.reveal {
    opacity: 0;
    transform: translateY(var(--ag-reveal-distance));
    transition: opacity 0.72s var(--ag-ease), transform 0.72s var(--ag-ease);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }

/* Premium keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[role='button']:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--ag-focus-ring), 0 0 0 1px rgba(255, 255, 255, 0.9) inset;
    border-radius: 10px;
}

.nav-list > li > a:focus-visible,
.nav-list > li > button:focus-visible,
.dropdown-item:focus-visible,
.mobile-link:focus-visible,
.mobile-cta:focus-visible {
    background-color: rgba(236, 106, 55, 0.1);
}

@media (max-width: 860px) {
    #navbar.scrolled {
        inset: 8px 12px auto 12px;
    }

    :root {
        --ag-grain-opacity: 0.035;
    }
}

@media (hover: none), (pointer: coarse) {
    :root {
        --ag-grain-opacity: 0.025;
    }

    .btn-primary:hover,
    .hero-btn-primary:hover,
    .angebot-cta:hover,
    .cal-load-btn:hover,
    .mobile-cta:hover,
    .leis-pillar:hover,
    .problem-item:hover,
    .demo-card:hover,
    .ablauf-step:hover,
    .angebot-card:hover {
        transform: none;
        box-shadow: none;
        padding-right: inherit;
    }

    .btn-primary:hover::after,
    .hero-btn-primary:hover::after,
    .angebot-cta:hover::after,
    .cal-load-btn:hover::after,
    .mobile-cta:hover::after {
        right: -1.2rem;
        opacity: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal,
    .reveal.active {
        opacity: 1;
        transform: none;
    }
}