/* dein-ki-lokal — "Tech-Lokal" Token-Set + Basis-Layout
 * Pole: Stripe-Whitespace + Wirtshaus-Wärme.
 * Akzent: Bernstein / gebrannter Kupfer (Bar-Licht-abends), kein steriles Blau.
 * A11y: alle Token-Pairs ≥4.5:1 (verifiziert beim WCAG-Pass).
 */

:root {
    /* Palette — Light (default) */
    --bg-base: #faf8f3;          /* warm off-white, Wirtshaus-Bg */
    --bg-card: #ffffff;          /* Cards/Sektionen auf bg-base */
    --bg-deep: #f0ece1;          /* Sub-Sections, etwas wärmer */
    --ink: #1a1a1f;              /* Primärtext, ~16:1 auf bg-base */
    --ink-mute: #555057;         /* Sekundärtext, ~7.5:1 auf bg-base */
    --line: #e3ddcd;             /* Divider, warm-neutral */

    /* Akzentfarben — Bernstein/Kupfer */
    --bernstein-deep: #8a3f0c;   /* Headlines/Buttons-Text auf hell, ~8:1 */
    --bernstein: #b25516;        /* Body-Akzent auf hell, ~5.5:1 */
    --bernstein-glow: #f0a868;   /* Decoration only, NICHT für Text */
    --bernstein-soft: #fce8d4;   /* Card-Highlight-Bg */

    /* Typo-Skala */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", system-ui, sans-serif;
    --font-mono: "SF Mono", Menlo, Consolas, monospace;

    /* Sizing */
    --container: 64rem;          /* ~1024px */
    --gutter: clamp(1rem, 4vw, 2.5rem);
    --tap: 2.75rem;              /* 44px Mindest-Tap-Target */
    --radius: 0.5rem;
}

/* Reset minimal */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--bg-base);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 1.0625rem;        /* 17px */
    line-height: 1.65;
    overflow-x: clip;             /* mari-lesson: clip statt hidden, sticky bleibt funktional */
}

/* Heading-Hierarchie + Komposita-Trennung */
h1, h2, h3, h4 {
    color: var(--ink);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 0.5em;
    hyphens: auto;                /* DE-Komposita brechen, mari-lesson */
}
h1 { font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.125rem); letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.0625rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-mute); }

p { margin: 0 0 1em; }
strong { color: var(--ink); }

a {
    color: var(--bernstein-deep);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}
a:hover { color: var(--bernstein); }
a:focus-visible {
    outline: 2px solid var(--bernstein);
    outline-offset: 3px;
    border-radius: 2px;
}

/* Skip-Link (clip-path-Technik, mari-lesson) */
.skip-link {
    position: absolute;
    left: 1rem;
    top: 1rem;
    background: var(--ink);
    color: var(--bg-base);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius);
    z-index: 100;
    clip-path: inset(50%);
    clip: rect(0 0 0 0);          /* old-browser fallback */
}
.skip-link:focus { clip-path: none; clip: auto; }

/* Layout */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

/* Header */
.site-header {
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--line);
    background: var(--bg-base);
    position: sticky;
    top: 0;
    z-index: 10;
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}
.brand {
    font-weight: 700;
    font-size: 1.0625rem;
    color: var(--ink);
    text-decoration: none;
    display: inline-flex;
    align-items: baseline;
    gap: 0.1em;
}
.brand-dot {
    color: var(--bernstein);     /* Mini-Glow, "Bar-Lampe" zwischen den Bindestrichen */
    font-weight: 900;
}
.wip-badge {
    background: var(--bernstein-soft);
    color: var(--bernstein-deep);
    border: 1px solid var(--bernstein-glow);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Hero */
.hero {
    padding: clamp(3rem, 8vw, 6rem) 0;
}
.hero-eyebrow {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--bernstein-deep);
    font-weight: 700;
    margin-bottom: 1rem;
}
.hero h1 {
    max-width: 22ch;
    margin-bottom: 1rem;
}
.hero-lead {
    max-width: 52ch;
    font-size: 1.1875rem;
    color: var(--ink-mute);
}

/* Pricing-Tiers */
.tiers {
    padding: clamp(3rem, 6vw, 5rem) 0;
    background: var(--bg-deep);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.tier-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
}
.tier {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.tier-name {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--bernstein-deep);
}
.tier-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--ink);
    line-height: 1;
    margin: 0.25rem 0 0.5rem;
}
.tier-price .unit {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--ink-mute);
    letter-spacing: 0;
}
.tier-content {
    color: var(--ink-mute);
    font-size: 0.9375rem;
    flex: 1;
}
.tier ul {
    margin: 0;
    padding-left: 1.1em;
}
.tier ul li { margin-bottom: 0.35em; }
.tier-featured {
    border-color: var(--bernstein);
    box-shadow: 0 0 0 3px var(--bernstein-soft);
    position: relative;
}
.tier-featured::after {
    content: "Sweet Spot";
    position: absolute;
    top: -0.6rem;
    right: 1rem;
    background: var(--bernstein);
    color: #fff;
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.tier-onrequest {
    border-style: dashed;
    border-color: var(--bernstein);
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bernstein-soft) 100%);
}
.tier-onrequest .button {
    margin-top: 1rem;
    align-self: flex-start;
}
.unit-large {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--bernstein-deep);
    letter-spacing: 0;
    line-height: 1.2;
}

/* Servicepaket-Note */
.service-note {
    margin-top: 2rem;
    padding: 1.25rem 1.5rem;
    background: var(--bernstein-soft);
    border-left: 3px solid var(--bernstein);
    border-radius: var(--radius);
    color: var(--ink);
    font-size: 0.9375rem;
}

/* Custom-Angebote (KI-Workshops + KI-Apps) */
.custom {
    padding: clamp(3rem, 6vw, 5rem) 0;
    background: var(--bg-base);
}
.custom-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}
.custom-card {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.custom-card h3 {
    margin: 0.25rem 0 0.5rem;
    font-size: 1.375rem;
}
.custom-icon {
    font-size: 2rem;
    line-height: 1;
    color: var(--bernstein);
}
.custom-card ul {
    margin: 0 0 0.5rem;
    padding-left: 1.1em;
    color: var(--ink-mute);
    font-size: 0.9375rem;
}
.custom-card ul li { margin-bottom: 0.3em; }
.custom-card .button {
    align-self: flex-start;
    margin-top: 0.75rem;
}

/* Footer */
.site-footer {
    padding: 3rem 0 4rem;
    color: var(--ink-mute);
    font-size: 0.875rem;
    background: var(--bg-base);
}
.site-footer h2 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink);
    margin-bottom: 1rem;
}
.footer-cols {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}
.footer-legal {
    border-top: 1px solid var(--line);
    padding-top: 1.5rem;
}

/* Tap-Targets */
button, .button, a.button {
    min-height: var(--tap);
    min-width: var(--tap);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.25rem;
    background: var(--bernstein);
    color: #fff;
    border: 1px solid var(--bernstein-deep);
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: background 120ms ease;
}
.button:hover { background: var(--bernstein-deep); }
.button.secondary {
    background: transparent;
    color: var(--bernstein-deep);
}
.button.secondary:hover { background: var(--bernstein-soft); }

/* Reduce motion respect */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}