/* AIBIZNESLAB v2 — ai-only.html (standalone, noindex)
 * Dark variant: AI Only Zone / Autonomy Blueprint
 * DNA v2: Geist + Instrument Serif + JetBrains Mono, #FF5630 accent, 14px radius, border-based depth.
 * Zakłada: v2/tokens.css + fonts.css załadowane wcześniej (dla font-family).
 */

:root {
    --aio-bg: #0A0A0A;
    --aio-surface: rgba(255, 255, 255, 0.025);
    --aio-border: rgba(255, 255, 255, 0.08);
    --aio-border-hover: rgba(255, 255, 255, 0.18);
    --aio-text: #F5F5F5;
    --aio-text-dim: #8E8E8E;
    --aio-accent: #FF5630;
    --aio-accent-soft: rgba(255, 86, 48, 0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background-color: var(--aio-bg);
    color: var(--aio-text);
    font-family: var(--font-sans, 'Geist', -apple-system, BlinkMacSystemFont, sans-serif);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 80px 20px;
    overflow-x: hidden;
    font-feature-settings: "ss01", "cv11";
}

/* HEADER */
header {
    text-align: center;
    max-width: 720px;
    margin-bottom: 100px;
    position: relative;
    z-index: 2;
}

.tag {
    display: inline-block;
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    font-size: 0.72rem;
    color: var(--aio-accent);
    border: 1px solid var(--aio-accent);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 28px;
    letter-spacing: 0.1em;
    background: var(--aio-accent-soft);
    text-transform: uppercase;
}

h1 {
    font-family: var(--font-sans, 'Geist', sans-serif);
    font-size: 3.6rem;
    font-weight: 500;
    letter-spacing: -0.04em;
    line-height: 1.05;
    margin-bottom: 26px;
    color: var(--aio-text);
}

h1 em,
h1 .serif-accent {
    font-family: var(--font-serif, 'Instrument Serif', Georgia, serif);
    font-style: italic;
    font-weight: 400;
    color: var(--aio-accent);
    letter-spacing: -0.02em;
}

p.intro {
    font-size: 1.08rem;
    color: var(--aio-text-dim);
    line-height: 1.65;
    font-weight: 400;
    max-width: 620px;
    margin: 0 auto;
    text-wrap: balance;
}

/* GRID */
.architecture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    width: 100%;
    max-width: 1200px;
    margin-bottom: 60px;
}

/* CARDS */
.card {
    background: var(--aio-surface);
    border: 1px solid var(--aio-border);
    border-radius: 14px;
    padding: 30px;
    position: relative;
    transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
    overflow: hidden;
    --mouse-x: 0px;
    --mouse-y: 0px;
}

.card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(600px circle at var(--mouse-x) var(--mouse-y), rgba(255, 86, 48, 0.08), transparent 40%);
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
    z-index: 1;
}

.card:hover::before { opacity: 1; }

.card:hover {
    border-color: var(--aio-border-hover);
    transform: translateY(-2px);
}

.card-content {
    position: relative;
    z-index: 2;
}

/* ICONS */
.icon-wrapper {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--aio-surface);
    border: 1px solid var(--aio-border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    color: var(--aio-text);
    font-size: 1.2rem;
    position: relative;
    z-index: 2;
}

h3 {
    font-family: var(--font-sans, 'Geist', sans-serif);
    font-size: 1.18rem;
    font-weight: 500;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
    color: var(--aio-text);
    position: relative;
    z-index: 2;
}

p.desc {
    font-size: 0.94rem;
    color: var(--aio-text-dim);
    margin-bottom: 26px;
    line-height: 1.55;
    position: relative;
    z-index: 2;
}

/* CHECKLISTS */
.checklist {
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
    z-index: 2;
}

.check-item {
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    font-size: 0.8rem;
    color: var(--aio-text-dim);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    border-top: 1px solid var(--aio-border);
    transition: color 0.15s ease;
    letter-spacing: 0.01em;
}

.check-item:hover { color: var(--aio-text); }

.check-item i {
    color: var(--aio-accent);
    font-size: 0.72rem;
    flex-shrink: 0;
}

/* SPAN-FULL CARDS (DNA/Brain/Immune) */
.span-full {
    grid-column: 1 / -1;
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.span-full .icon-wrapper {
    margin-bottom: 0;
    width: 60px;
    height: 60px;
    font-size: 1.45rem;
    flex-shrink: 0;
}

.span-full .text-col {
    flex: 1;
    max-width: 300px;
}

.span-full .list-col {
    flex: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 24px;
    position: relative;
    z-index: 2;
}

.span-full .check-item {
    border-top: none;
    background: var(--aio-surface);
    padding: 11px 14px;
    border-radius: 10px;
    border: 1px solid var(--aio-border);
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.span-full .check-item:hover {
    background: rgba(255, 86, 48, 0.06);
    border-color: var(--aio-accent);
    color: var(--aio-text);
}

/* DNA KERNEL — special accent on is-b371fd6c (DNA specific) */
.c-dna .icon-wrapper {
    border-color: var(--aio-accent);
    color: var(--aio-accent);
    background: var(--aio-accent-soft);
}

.c-dna h3 {
    color: var(--aio-accent);
    font-style: italic;
    font-family: var(--font-serif, 'Instrument Serif', Georgia, serif);
    font-weight: 400;
    font-size: 1.4rem;
}

/* CONNECTING LINE DNA -> BRAIN */
.is-f34ba336 {
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.is-aa9587e1 {
    width: 1px;
    height: 100%;
    background: linear-gradient(180deg, var(--aio-accent) 0%, transparent 100%);
}

/* FOOTER */
.footer-meta {
    margin-top: 40px;
    display: flex;
    gap: 24px;
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    font-size: 0.74rem;
    color: rgba(255, 255, 255, 0.22);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    flex-wrap: wrap;
    justify-content: center;
}

/* MOBILE */
@media (max-width: 1000px) {
    body { padding: 48px 16px; }
    .architecture-grid { grid-template-columns: 1fr; gap: 16px; }
    .span-full {
        grid-column: auto;
        flex-direction: column;
        gap: 24px;
    }
    .span-full .text-col { max-width: 100%; }
    .span-full .list-col { grid-template-columns: 1fr; width: 100%; }
    header { margin-bottom: 60px; }
    h1 { font-size: 2.4rem; }
    p.intro { font-size: 1rem; }
    .card { padding: 24px; }
}