/* AI Readiness section (ai-readiness.html + /ai-readiness/*): shared styles.
   Loaded after css/styles.css, which supplies the site header, footer, buttons and tokens. */

:root {
    --air-primary: #4F46E5;
    --air-primary-dark: #4338CA;
    --air-secondary: #7C3AED;
    --air-ink: #1F2937;
    --air-ink-2: #6B7280;
    --air-ink-3: #9CA3AF;
    --air-line: #E5E7EB;
    --air-surface: #FFFFFF;
    --air-surface-2: #F9FAFB;
    --air-tint: #EEF2FF;
    --air-exposed: #DC2626;
    --air-vulnerable: #EA580C;
    --air-capable: #2563EB;
    --air-mature: #059669;
    --air-radius: 16px;
    --air-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

body.air-page { background: var(--air-surface); color: var(--air-ink); }
.air-page main { padding-top: 72px; }
.air-page section { padding: 4.5rem 1.5rem; }
.air-wrap { max-width: 1160px; margin: 0 auto; }
.air-page h1, .air-page h2, .air-page h3, .air-page h4 { line-height: 1.2; }
.air-page p { line-height: 1.7; }

/* Section sub-navigation (sits under the fixed site header) */
.air-subnav {
    position: sticky; top: 72px; z-index: 900;
    background: rgba(255,255,255,0.96); backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--air-line);
}
.air-subnav .air-wrap { display: flex; align-items: center; gap: 0.25rem; overflow-x: auto; padding: 0 1rem; scrollbar-width: none; }
.air-subnav .air-wrap::-webkit-scrollbar { display: none; }
.air-subnav a {
    white-space: nowrap; padding: 0.85rem 0.9rem; font-size: 0.875rem; font-weight: 600;
    color: var(--air-ink-2); text-decoration: none; border-bottom: 2px solid transparent;
}
.air-subnav a:hover { color: var(--air-primary); }
.air-subnav a.active { color: var(--air-primary); border-bottom-color: var(--air-primary); }
.air-subnav a.air-subnav-cta {
    margin-left: auto; background: var(--air-primary); color: #fff; border-radius: 8px;
    padding: 0.5rem 0.95rem; border-bottom: 0;
}
.air-subnav a.air-subnav-cta:hover { background: var(--air-primary-dark); color: #fff; }

/* Buttons */
.air-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.85rem 1.5rem; border-radius: 10px; font-weight: 600; font-size: 1rem;
    text-decoration: none; cursor: pointer; border: 2px solid transparent; transition: all 0.2s;
    font-family: inherit;
}
.air-btn-primary { background: var(--air-primary); color: #fff; }
.air-btn-primary:hover { background: var(--air-primary-dark); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(79,70,229,0.25); }
.air-btn-ghost { background: transparent; color: var(--air-primary); border-color: var(--air-primary); }
.air-btn-ghost:hover { background: var(--air-tint); }
.air-btn-light { background: #fff; color: var(--air-primary); }
.air-btn-light:hover { background: var(--air-tint); }
.air-btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
.air-btn-outline-light:hover { background: rgba(255,255,255,0.12); }
.air-btn-sm { padding: 0.55rem 1rem; font-size: 0.9rem; border-radius: 8px; }
.air-btn[disabled] { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

/* Hero */
.air-hero { background: linear-gradient(135deg, #F9FAFB 0%, #EEF2FF 100%); padding: 4.5rem 1.5rem 3.5rem; }
.air-hero .air-wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3.5rem; align-items: center; }
.air-eyebrow { display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--air-primary); margin-bottom: 1rem; }
.air-hero h1 { font-size: 3.25rem; font-weight: 800; margin-bottom: 0.75rem; letter-spacing: -0.5px; }
.air-hero .air-tagline { font-size: 1.35rem; font-weight: 600; color: var(--air-primary); margin-bottom: 1rem; }
.air-hero .air-lead { font-size: 1.15rem; color: var(--air-ink-2); margin-bottom: 1.75rem; max-width: 560px; }
.air-cta-row { display: flex; gap: 0.85rem; flex-wrap: wrap; align-items: center; }
.air-note { font-size: 0.85rem; color: var(--air-ink-2); margin-top: 1rem; display: flex; align-items: center; gap: 0.4rem; }
.air-stats { display: flex; gap: 2.5rem; margin-top: 2.25rem; flex-wrap: wrap; }
.air-stat .num { font-size: 2.25rem; font-weight: 800; color: var(--air-ink); line-height: 1; }
.air-stat .lbl { font-size: 0.85rem; color: var(--air-ink-2); margin-top: 0.35rem; }

/* Mock score card used in the hero and on the score page */
.air-mock {
    background: #fff; border: 1px solid var(--air-line); border-radius: 20px; padding: 1.5rem;
    box-shadow: var(--air-shadow); max-width: 440px; margin: 0 auto;
}
.air-mock-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.75rem; }
.air-mock-head .t { font-size: 0.7rem; letter-spacing: 1.5px; text-transform: uppercase; color: var(--air-ink-2); font-weight: 700; }
.air-mock-score { display: flex; align-items: center; gap: 1.25rem; margin-bottom: 0.5rem; }
.air-ring { position: relative; width: 96px; height: 96px; flex-shrink: 0; }
.air-ring svg { width: 96px; height: 96px; transform: rotate(-90deg); }
.air-ring .v { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.air-ring .v b { font-size: 1.6rem; font-weight: 800; line-height: 1; }
.air-ring .v small { font-size: 0.65rem; color: var(--air-ink-2); letter-spacing: 1px; margin-top: 2px; }
.air-mock-score .desc { font-size: 0.85rem; color: var(--air-ink-2); margin-top: 0.4rem; }
.air-mock-factors { margin-top: 0.75rem; display: grid; gap: 0.5rem; }

/* Status badges: always icon + label, never color alone */
.air-badge { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.3rem 0.75rem; border-radius: 999px; font-size: 0.8rem; font-weight: 700; color: #fff; }
.air-badge-exposed { background: var(--air-exposed); }
.air-badge-vulnerable { background: var(--air-vulnerable); }
.air-badge-capable { background: var(--air-capable); }
.air-badge-mature { background: var(--air-mature); }

/* Factor bars */
.air-bar-row { display: grid; grid-template-columns: 150px 1fr 70px; gap: 0.75rem; align-items: center; font-size: 0.85rem; }
.air-bar-row .n { font-weight: 600; color: var(--air-ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.air-bar-row .n small { display: block; font-weight: 500; color: var(--air-ink-3); font-size: 0.7rem; }
.air-bar-track { height: 10px; background: var(--air-surface-2); border: 1px solid var(--air-line); border-radius: 6px; overflow: hidden; }
.air-bar-fill { height: 100%; border-radius: 0 4px 4px 0; background: var(--air-primary); transition: width 0.6s ease; }
.air-bar-row .s { text-align: right; font-weight: 700; color: var(--air-ink); }
.air-bar-row .s small { color: var(--air-ink-3); font-weight: 500; }

/* Radar chart */
.air-radar { width: 100%; max-width: 360px; margin: 0 auto; display: block; }
.air-radar .grid { fill: none; stroke: var(--air-line); stroke-width: 1; }
.air-radar .axis { stroke: var(--air-line); stroke-width: 1; }
.air-radar .area { fill: rgba(79,70,229,0.16); stroke: var(--air-primary); stroke-width: 2; stroke-linejoin: round; }
.air-radar .pt { fill: #fff; stroke: var(--air-primary); stroke-width: 2; }
.air-radar .lbl { font-size: 10px; font-weight: 600; fill: var(--air-ink-2); }
.air-radar .lbl.hi { fill: var(--air-ink); }

/* Section headings */
.air-section-head { text-align: center; max-width: 760px; margin: 0 auto 2.75rem; }
.air-section-head h2 { font-size: 2.25rem; font-weight: 800; margin-bottom: 0.75rem; letter-spacing: -0.3px; }
.air-section-head p { font-size: 1.1rem; color: var(--air-ink-2); }
.air-alt { background: var(--air-surface-2); }

/* Feature cards */
.air-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.air-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.air-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.air-card {
    background: #fff; border: 1px solid var(--air-line); border-radius: var(--air-radius); padding: 1.75rem;
    display: flex; flex-direction: column; gap: 0.6rem; transition: all 0.2s; color: inherit; text-decoration: none;
}
a.air-card:hover { transform: translateY(-3px); border-color: var(--air-primary); box-shadow: 0 12px 30px rgba(79,70,229,0.12); }
.air-card-icon { width: 46px; height: 46px; border-radius: 12px; background: var(--air-tint); color: var(--air-primary); display: flex; align-items: center; justify-content: center; margin-bottom: 0.35rem; }
.air-card h3 { font-size: 1.15rem; font-weight: 700; }
.air-card p { font-size: 0.95rem; color: var(--air-ink-2); margin: 0; }
.air-card .air-link { margin-top: auto; padding-top: 0.75rem; color: var(--air-primary); font-weight: 600; font-size: 0.9rem; }
.air-card-visual {
    background: var(--air-surface-2); border: 1px solid var(--air-line); border-radius: 12px;
    padding: 0.9rem; margin-bottom: 0.5rem; font-size: 0.8rem; color: var(--air-ink-2);
}
.air-tag { display: inline-block; font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; padding: 0.2rem 0.55rem; border-radius: 999px; background: var(--air-tint); color: var(--air-primary-dark); }
.air-tag-high { background: #FEE2E2; color: #991B1B; }
.air-tag-medium { background: #FEF3C7; color: #92400E; }
.air-tag-low { background: #D1FAE5; color: #065F46; }
.air-mini-task { display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; padding: 0.35rem 0; border-bottom: 1px dashed var(--air-line); }
.air-mini-task:last-child { border-bottom: 0; }
.air-mini-task .chk { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--air-ink-3); flex-shrink: 0; }
.air-mini-task .chk.done { background: var(--air-mature); border-color: var(--air-mature); }

/* Steps */
.air-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.air-step { border-left: 3px solid var(--air-primary); padding: 0.25rem 0 0.25rem 1.1rem; }
.air-step .k { font-size: 0.7rem; letter-spacing: 2px; text-transform: uppercase; color: var(--air-primary); font-weight: 700; margin-bottom: 0.4rem; }
.air-step h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.air-step p { font-size: 0.92rem; color: var(--air-ink-2); margin: 0; }

/* Dark panel (why / key thought) */
.air-dark { background: linear-gradient(135deg, #1E293B 0%, #312E81 100%); color: #fff; }
.air-dark h2, .air-dark h3, .air-dark h4 { color: #fff; }
.air-dark p { color: rgba(255,255,255,0.85); }
.air-dark .air-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.air-key { background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.14); border-radius: var(--air-radius); padding: 1.75rem; }
.air-key .k { font-size: 0.7rem; letter-spacing: 2px; text-transform: uppercase; opacity: 0.8; font-weight: 700; margin-bottom: 0.6rem; }
.air-key .big { font-size: 1.6rem; font-weight: 800; margin-bottom: 0.75rem; }
.air-key ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.4rem; }
.air-key li { font-size: 0.95rem; opacity: 0.9; }
.air-counters { display: flex; gap: 2.5rem; margin: 1.5rem 0; flex-wrap: wrap; }
.air-counters .num { font-size: 2.4rem; font-weight: 800; line-height: 1; }
.air-counters .lbl { font-size: 0.8rem; opacity: 0.8; margin-top: 0.3rem; }
.air-checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.65rem; }
.air-checks li { display: flex; gap: 0.65rem; align-items: flex-start; font-size: 0.98rem; }
.air-checks li::before { content: "\2713"; flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; background: rgba(255,255,255,0.15); display: inline-flex; align-items: center; justify-content: center; font-size: 0.8rem; font-weight: 700; margin-top: 1px; }
.air-light .air-checks li::before { background: var(--air-tint); color: var(--air-primary); }

/* Equation */
.air-equation { background: #fff; border: 1px solid var(--air-line); border-radius: var(--air-radius); padding: 1.75rem; text-align: center; }
.air-equation .eq { font-size: 1.1rem; font-weight: 600; line-height: 1.9; }
.air-equation .eq b { color: var(--air-primary); font-size: 1.25rem; }
.air-equation p { color: var(--air-ink-2); font-size: 0.9rem; margin-top: 0.5rem; }

/* Pricing */
.air-plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; align-items: stretch; }
.air-plan { background: #fff; border: 1px solid var(--air-line); border-radius: 20px; padding: 2rem; display: flex; flex-direction: column; position: relative; }
.air-plan-featured { border: 2px solid var(--air-primary); box-shadow: var(--air-shadow); }
.air-plan .ribbon { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--air-primary); color: #fff; font-size: 0.7rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 0.3rem 0.8rem; border-radius: 999px; }
.air-plan h3 { font-size: 1.25rem; margin-bottom: 0.25rem; }
.air-plan .who { color: var(--air-ink-2); font-size: 0.9rem; min-height: 2.7em; }
.air-plan .price { margin: 1.25rem 0 0.25rem; font-size: 2.4rem; font-weight: 800; letter-spacing: -0.5px; }
.air-plan .price small { font-size: 0.95rem; font-weight: 500; color: var(--air-ink-2); letter-spacing: 0; }
.air-plan .per { font-size: 0.85rem; color: var(--air-ink-2); margin-bottom: 1.25rem; }
.air-plan ul { list-style: none; padding: 0; margin: 0 0 1.5rem; display: grid; gap: 0.55rem; }
.air-plan li { display: flex; gap: 0.6rem; font-size: 0.92rem; align-items: flex-start; }
.air-plan li::before { content: "\2713"; color: var(--air-mature); font-weight: 700; flex-shrink: 0; }
.air-plan li.no { color: var(--air-ink-3); }
.air-plan li.no::before { content: "\2013"; color: var(--air-ink-3); }
.air-plan .air-btn { margin-top: auto; width: 100%; }

/* FAQ */
.air-faq { max-width: 820px; margin: 0 auto; }
.air-faq details { background: #fff; border: 1px solid var(--air-line); border-radius: 12px; padding: 0 1.25rem; margin-bottom: 0.75rem; }
.air-faq summary { cursor: pointer; font-weight: 600; padding: 1rem 0; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.air-faq summary::-webkit-details-marker { display: none; }
.air-faq summary::after { content: "+"; color: var(--air-primary); font-weight: 700; font-size: 1.2rem; }
.air-faq details[open] summary::after { content: "\2013"; }
.air-faq details p { padding: 0 0 1.1rem; color: var(--air-ink-2); margin: 0; }

/* CTA band */
.air-cta-band { background: linear-gradient(135deg, var(--air-primary) 0%, var(--air-secondary) 100%); color: #fff; text-align: center; border-radius: 20px; padding: 3rem 2rem; }
.air-cta-band h2 { color: #fff; font-size: 2rem; margin-bottom: 0.6rem; }
.air-cta-band p { color: rgba(255,255,255,0.9); max-width: 620px; margin: 0 auto 1.5rem; }
.air-cta-band .air-cta-row { justify-content: center; }

/* Tables */
.air-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; background: #fff; border: 1px solid var(--air-line); border-radius: 12px; overflow: hidden; }
.air-table th { text-align: left; background: var(--air-surface-2); padding: 0.75rem 0.9rem; font-size: 0.75rem; letter-spacing: 0.5px; text-transform: uppercase; color: var(--air-ink-2); border-bottom: 1px solid var(--air-line); }
.air-table td { padding: 0.8rem 0.9rem; border-bottom: 1px solid var(--air-line); vertical-align: top; }
.air-table tr:last-child td { border-bottom: 0; }
.air-table .w { font-weight: 700; white-space: nowrap; }
.air-table-wrap { overflow-x: auto; }

/* Prose for subpages */
.air-page-hero { background: linear-gradient(135deg, #F9FAFB 0%, #EEF2FF 100%); padding: 3.5rem 1.5rem 2.5rem; }
.air-page-hero h1 { font-size: 2.6rem; font-weight: 800; margin-bottom: 0.6rem; letter-spacing: -0.4px; }
.air-page-hero .air-lead { font-size: 1.15rem; color: var(--air-ink-2); max-width: 720px; }
.air-prose { max-width: 820px; }
.air-prose h2 { font-size: 1.75rem; margin: 2.25rem 0 0.75rem; }
.air-prose h3 { font-size: 1.2rem; margin: 1.5rem 0 0.5rem; }
.air-prose p, .air-prose li { color: var(--air-ink); font-size: 1.02rem; }
.air-prose ul, .air-prose ol { padding-left: 1.4rem; margin: 0.5rem 0 1rem; }
.air-prose li { margin-bottom: 0.35rem; }
.air-callout { background: var(--air-tint); border-left: 4px solid var(--air-primary); border-radius: 8px; padding: 1rem 1.25rem; margin: 1.25rem 0; font-size: 0.98rem; }
.air-callout.warn { background: #FEF3C7; border-left-color: #F59E0B; }
.air-callout b { color: var(--air-ink); }

/* Factor accordion (score page) */
.air-factor { background: #fff; border: 1px solid var(--air-line); border-radius: 14px; margin-bottom: 0.75rem; overflow: hidden; }
.air-factor summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 1rem; padding: 1rem 1.25rem; font-weight: 700; }
.air-factor summary::-webkit-details-marker { display: none; }
.air-factor summary .wt { margin-left: auto; font-size: 0.75rem; color: var(--air-ink-2); background: var(--air-surface-2); border: 1px solid var(--air-line); padding: 0.15rem 0.5rem; border-radius: 6px; font-weight: 600; white-space: nowrap; }
.air-factor .body { padding: 0 1.25rem 1.25rem; }
.air-factor .body p { color: var(--air-ink-2); font-size: 0.95rem; margin-bottom: 0.75rem; }
.air-levels { display: grid; gap: 0.4rem; }
.air-level { display: grid; grid-template-columns: 56px 1fr; gap: 0.75rem; font-size: 0.9rem; padding: 0.55rem 0.75rem; border-radius: 8px; background: var(--air-surface-2); }
.air-level .r { font-weight: 700; white-space: nowrap; }

/* Roadmap phases */
.air-phases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.air-phase { background: #fff; border: 1px solid var(--air-line); border-radius: var(--air-radius); padding: 1.5rem; }
.air-phase .k { font-size: 0.7rem; letter-spacing: 2px; text-transform: uppercase; color: var(--air-primary); font-weight: 700; }
.air-phase h3 { font-size: 1.15rem; margin: 0.35rem 0 0.75rem; }
.air-phase ul { padding-left: 1.1rem; margin: 0; }
.air-phase li { font-size: 0.92rem; color: var(--air-ink-2); margin-bottom: 0.35rem; }

/* Pillars */
.air-pillar { background: #fff; border: 1px solid var(--air-line); border-radius: var(--air-radius); padding: 1.5rem; }
.air-pillar .ic { font-size: 1.6rem; margin-bottom: 0.5rem; }
.air-pillar h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.air-pillar p { font-size: 0.92rem; color: var(--air-ink-2); margin: 0; }

/* Responsive */
@media (max-width: 1000px) {
    .air-grid, .air-plans, .air-phases { grid-template-columns: 1fr 1fr; }
    .air-grid-4, .air-steps { grid-template-columns: 1fr 1fr; }
    .air-hero .air-wrap, .air-dark .air-wrap { grid-template-columns: 1fr; gap: 2.5rem; }
    .air-hero h1 { font-size: 2.6rem; }
}
@media (max-width: 640px) {
    .air-page section { padding: 3rem 1rem; }
    .air-grid, .air-grid-2, .air-grid-4, .air-plans, .air-phases, .air-steps { grid-template-columns: 1fr; }
    .air-hero h1 { font-size: 2.1rem; }
    .air-hero .air-tagline { font-size: 1.1rem; }
    .air-section-head h2 { font-size: 1.75rem; }
    .air-page-hero h1 { font-size: 1.9rem; }
    .air-bar-row { grid-template-columns: 110px 1fr 56px; }
    .air-stats { gap: 1.5rem; }
    .air-subnav { top: 60px; }
}
@media print {
    .header, .footer, .air-subnav, .air-noprint { display: none !important; }
    .air-page main { padding-top: 0; }
    .air-page section { padding: 1rem 0; }
    body { background: #fff; }
}