/* ============================================================
   AI Consulting — landing styles
   Palette: ink navy + emerald accent. No build step, no deps.
   ============================================================ */
:root {
  --ink: #0c1322;
  --ink-2: #16203a;
  --slate: #475069;
  --muted: #6b7488;
  --line: #e6e9f0;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --bg-soft-2: #eef2f8;
  --accent: #0f9d76;
  --accent-dark: #0a7d5d;
  --accent-soft: #e6f7f1;
  --gold: #d9a441;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(12, 19, 34, 0.06), 0 2px 8px rgba(12, 19, 34, 0.05);
  --shadow: 0 10px 30px rgba(12, 19, 34, 0.10);
  --maxw: 1120px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 800; }
h3 { font-size: 1.18rem; font-weight: 700; }
p { margin: 0 0 1rem; color: var(--slate); }
a { color: var(--accent-dark); text-decoration: none; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  display: inline-block; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent-dark); background: var(--accent-soft);
  padding: 6px 12px; border-radius: 100px; margin-bottom: 18px;
}
.section { padding: 88px 0; }
.section.alt { background: var(--bg-soft); }
.center { text-align: center; }
.lead { font-size: 1.15rem; color: var(--slate); max-width: 640px; }
.center .lead { margin-left: auto; margin-right: auto; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  font-weight: 700; font-size: 1rem; padding: 14px 26px; border-radius: 100px;
  border: 1px solid transparent; transition: transform .08s ease, box-shadow .2s ease, background .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 8px 20px rgba(15,157,118,.28); }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-dark); }
.btn-light { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.25); }
.btn-light:hover { background: rgba(255,255,255,.2); }

/* nav */
header.nav {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--ink); font-size: 1.05rem; }
.brand .dot { width: 30px; height: 30px; border-radius: 9px; background: linear-gradient(135deg, var(--accent), #14b88a); display: grid; place-items: center; color: #fff; font-size: 1rem; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--slate); font-weight: 600; font-size: 0.95rem; }
.nav-links a:hover { color: var(--ink); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-cta { padding: 10px 18px; font-size: 0.92rem; }
.lang-toggle { display: inline-flex; border: 1px solid var(--line); border-radius: 100px; overflow: hidden; background: #fff; }
.lang-toggle button { border: 0; background: transparent; color: var(--muted); font-weight: 700; font-size: .78rem; padding: 7px 11px; cursor: pointer; font-family: inherit; line-height: 1; transition: background .15s ease, color .15s ease; }
.lang-toggle button:hover { color: var(--ink); }
.lang-toggle button.active { background: var(--ink); color: #fff; }
.menu-toggle { display: none; }

/* hero */
.hero { padding: 84px 0 72px; background:
  radial-gradient(1100px 480px at 80% -10%, var(--accent-soft), transparent 60%),
  radial-gradient(800px 420px at 0% 0%, #eef3ff, transparent 55%); }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.hero h1 span { color: var(--accent-dark); }
.hero .lead { font-size: 1.22rem; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin: 28px 0 18px; }
.hero-trust { display: flex; gap: 22px; flex-wrap: wrap; color: var(--muted); font-size: 0.9rem; font-weight: 600; }
.hero-trust span { display: inline-flex; align-items: center; gap: 7px; }
.check { color: var(--accent); font-weight: 800; }

/* hero card */
.hero-card { background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); padding: 26px; }
.hero-card h3 { margin-bottom: 4px; }
.hero-card .sub { color: var(--muted); font-size: .9rem; margin-bottom: 18px; }
.mini-row { display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }
.mini-row:first-of-type { border-top: 0; }
.mini-ic { flex: 0 0 34px; height: 34px; border-radius: 9px; background: var(--accent-soft); color: var(--accent-dark); display: grid; place-items: center; font-weight: 800; }
.mini-row b { color: var(--ink); display: block; font-size: .96rem; }
.mini-row p { margin: 0; font-size: .86rem; }

/* logos / stat strip */
.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; }
.stat b { display: block; font-size: 2rem; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.stat span { color: var(--muted); font-size: .9rem; font-weight: 600; }

/* problem cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); }
.card .ic { width: 44px; height: 44px; border-radius: 11px; background: var(--accent-soft); color: var(--accent-dark); display: grid; place-items: center; font-size: 1.25rem; margin-bottom: 14px; }
.card h3 { margin-bottom: 6px; }
.card p { margin: 0; font-size: .96rem; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow-sm); }
.step .num { width: 38px; height: 38px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-weight: 800; margin-bottom: 14px; }
.step h3 { margin-bottom: 6px; }
.step p { margin: 0; font-size: .95rem; }

/* pricing */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; max-width: 920px; margin: 0 auto; }
.price { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 18px; box-shadow: var(--shadow-sm); position: relative; }
.price.featured { border-color: var(--accent); box-shadow: var(--shadow); }
.price .badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; font-size: .68rem; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; padding: 5px 11px; border-radius: 100px; white-space: nowrap; }
.price .badge-alt { background: var(--ink); }
.price h3 { margin-bottom: 2px; font-size: 1.1rem; }
.price .tag { color: var(--muted); font-size: .82rem; margin-bottom: 12px; }
.price .amt { font-size: 1.5rem; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.price .amt small { font-size: .78rem; font-weight: 600; color: var(--muted); }
.price ul { list-style: none; padding: 0; margin: 14px 0 20px; }
.price li { position: relative; padding: 6px 0 6px 23px; font-size: .87rem; color: var(--slate); border-top: 1px solid var(--line); }
.price li:first-child { border-top: 0; }
.price li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }
.price .btn { margin-top: auto; justify-content: center; }
.price-note { color: var(--muted); font-size: .88rem; margin-top: 18px; }

/* niches */
.niche { display: flex; gap: 16px; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.niche .ic { flex: 0 0 48px; height: 48px; border-radius: 12px; background: var(--ink); color: #fff; display: grid; place-items: center; font-size: 1.4rem; }
.niche h3 { margin-bottom: 4px; }
.niche p { margin: 0; font-size: .92rem; }
.niche .uses { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 6px; }
.pill { font-size: .76rem; font-weight: 600; color: var(--slate); background: var(--bg-soft-2); padding: 4px 10px; border-radius: 100px; }

/* approach / trust band */
.band { background: var(--ink); color: #fff; }
.band h2 { color: #fff; }
.band p { color: #c7cee0; }
.band .grid-2 { gap: 40px; align-items: center; }
.trust-list { list-style: none; padding: 0; margin: 0; }
.trust-list li { display: flex; gap: 12px; padding: 12px 0; border-top: 1px solid rgba(255,255,255,.12); color: #dfe4f0; font-size: .98rem; }
.trust-list li:first-child { border-top: 0; }
.trust-list .ck { color: var(--accent); font-weight: 800; flex: 0 0 auto; }

/* faq */
.faq details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 4px 22px; margin-bottom: 12px; box-shadow: var(--shadow-sm); }
.faq summary { cursor: pointer; font-weight: 700; color: var(--ink); padding: 16px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; color: var(--accent-dark); font-weight: 600; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding-bottom: 18px; margin: 0; }

/* final cta */
.cta-box { background: linear-gradient(135deg, var(--ink), var(--ink-2)); border-radius: 24px; padding: 56px; text-align: center; color: #fff; box-shadow: var(--shadow); }
.cta-box h2 { color: #fff; }
.cta-box p { color: #c7cee0; max-width: 560px; margin: 0 auto 28px; }

/* footer */
footer.ft { padding: 48px 0 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
.ft-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.ft a { color: var(--slate); }

/* AI Literacy highlight */
.highlight { background: linear-gradient(135deg, var(--accent-soft), #eef3ff); border: 1px solid var(--line); border-radius: 24px; padding: 48px; box-shadow: var(--shadow-sm); }
.highlight .grid-2 { align-items: center; gap: 44px; }
.highlight .price-inline { font-size: 1.7rem; font-weight: 800; color: var(--ink); margin: 6px 0 18px; letter-spacing: -.02em; }
.highlight .price-inline small { font-size: .9rem; font-weight: 600; color: var(--muted); }
.feat-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px; box-shadow: var(--shadow-sm); }
.feat-list { list-style: none; padding: 0; margin: 0; }
.feat-list li { position: relative; padding: 10px 0 10px 30px; border-top: 1px solid var(--line); color: var(--slate); font-size: .97rem; }
.feat-list li:first-child { border-top: 0; }
.feat-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }

/* responsive */
@media (max-width: 1080px) { .price-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; } }
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .grid-3, .steps { grid-template-columns: 1fr; }
  .grid-2, .stat-strip { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 720px) { .price-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) {
  .section { padding: 60px 0; }
  .grid-2, .price-grid, .stat-strip { grid-template-columns: 1fr; }
  .cta-box { padding: 36px 22px; }
}

/* ============================================================
   Added: SVG icons, motion, ROI calculator, print/PDF
   ============================================================ */

/* icons */
.ic svg, .mini-ic svg { width: 24px; height: 24px; display: block; }
.niche .ic svg { width: 26px; height: 26px; }
.check, .ck { display: inline-flex; align-items: center; }
.check svg, .ck svg { width: 17px; height: 17px; }

/* hover lift */
.card, .step, .niche, .price { transition: transform .18s ease, box-shadow .22s ease, border-color .22s ease; }
.card:hover, .step:hover, .niche:hover, .price:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.price:hover { border-color: var(--accent); }
.btn-primary:hover { box-shadow: 0 10px 26px rgba(15,157,118,.34); }

/* scroll reveal */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s cubic-bezier(.22,.61,.36,1); }
  .reveal.in { opacity: 1; transform: none; }
}
/* safety net: if the environment won't animate, never leave content hidden */
.no-reveal .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }

/* ROI calculator */
.roi { display: grid; grid-template-columns: 1.1fr .9fr; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; }
.roi-controls { padding: 30px; }
.roi-field { margin-bottom: 22px; }
.roi-field label { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-weight: 600; color: var(--slate); font-size: .95rem; margin-bottom: 10px; }
.roi-field label b { color: var(--ink); font-size: 1.05rem; font-variant-numeric: tabular-nums; }
.roi-field input[type=range] { width: 100%; accent-color: var(--accent); height: 6px; }
.roi-assume { font-size: .82rem; color: var(--muted); margin: 4px 0 0; }
.roi-result { background: linear-gradient(135deg, var(--ink), var(--ink-2)); color: #fff; padding: 32px 30px; display: flex; flex-direction: column; justify-content: center; }
.roi-cap { font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; color: #9fe7d2; font-weight: 700; }
.roi-amt { font-size: 2.6rem; font-weight: 800; letter-spacing: -.02em; margin: 4px 0 2px; line-height: 1.05; font-variant-numeric: tabular-nums; }
.roi-amt small { font-size: 1rem; font-weight: 600; color: #c7cee0; letter-spacing: 0; }
.roi-sub { color: #dfe4f0; font-size: .98rem; }
.roi-sub b { color: #fff; font-variant-numeric: tabular-nums; }
.roi-pay { margin-top: 14px; font-size: .9rem; color: #a7f3d8; font-weight: 600; min-height: 1.2em; }

/* sprint detail block */
.sprint-detail { margin-top: 40px; }
.sprint-detail .card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.tiers-h { color: var(--muted); font-weight: 700; font-size: .9rem; margin: 0 0 16px; }
.sprint-tiers .card { text-align: center; }
.sprint-tiers .card h3 { margin-bottom: 8px; }
.tier-price { font-size: 1.35rem; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.sprint-tiers .tag { color: var(--muted); font-size: .82rem; margin: 2px 0 10px; }
.sprint-tiers .card p { font-size: .9rem; margin: 0; }

/* download-as-pdf affordance */
.pdf-link { display: inline-flex; align-items: center; gap: 7px; background: none; border: 0; cursor: pointer; font-family: inherit; font-weight: 700; font-size: .9rem; color: var(--accent-dark); margin-top: 16px; padding: 0; }
.pdf-link:hover { text-decoration: underline; }
.pdf-wrap { text-align: center; }

/* print-only document head/foot (hidden on screen) */
.print-head, .print-foot { display: none; }
.print-head { border-bottom: 3px solid var(--ink); padding-bottom: 14px; margin-bottom: 18px; }
.print-head .ph-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; }
.print-head .ph-meta { text-align: right; font-size: .8rem; color: var(--muted); }
.print-head h1 { font-size: 1.6rem; margin: 14px 0 6px; }
.print-head p { font-size: .95rem; color: var(--slate); margin: 0; max-width: 70ch; }
.print-foot { margin-top: 22px; padding-top: 12px; border-top: 1px solid var(--line); justify-content: space-between; font-size: .8rem; color: var(--muted); }

@media (max-width: 920px) { .roi { grid-template-columns: 1fr; } }

/* ============================================================
   Print → clean branded offer (PDF)
   ============================================================ */
@media print {
  @page { margin: 14mm; }
  body { background: #fff; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  header.nav, .hero, #stats, #problem, #approach, #roi, #who, #faq, #contact,
  footer.ft, .pdf-link, .btn, .roi, .stat-strip { display: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .print-head, .print-foot { display: flex; flex-direction: column; }
  .print-foot { flex-direction: row; }
  .section { padding: 0 0 16px !important; }
  .section.alt { background: #fff !important; }
  .wrap { max-width: none; padding: 0; }
  .price-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 10px !important; }
  .price, .card, .step, .niche { box-shadow: none !important; transform: none !important; break-inside: avoid; }
  .price .badge { color: #fff !important; }
  #services h2, .sprint-detail h3 { break-after: avoid; }
  #safe { background: #fff !important; color: var(--ink) !important; padding-top: 8px !important; }
  #safe h2 { color: var(--ink) !important; }
  #safe p { color: var(--slate) !important; }
  #safe .eyebrow, #safe .btn { display: none !important; }
  .trust-list li { color: var(--ink) !important; border-color: var(--line) !important; }
}

/* ============================================================
   Editorial layer — bigger type, contrast, progressive disclosure
   ============================================================ */
.section { padding: 104px 0; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }

/* hero — bold statement + big figure */
.hero { padding: 96px 0 84px; }
.hero h1 { font-size: clamp(2.8rem, 6.5vw, 4.8rem); line-height: 1.02; letter-spacing: -0.035em; margin-bottom: 0.35em; }
.hero .lead { font-size: 1.2rem; max-width: 32ch; }
.hero-figure { background: linear-gradient(160deg, var(--accent-soft), #eef3ff); border: 1px solid var(--line); border-radius: 24px; padding: 44px 38px; box-shadow: var(--shadow); display: flex; flex-direction: column; justify-content: center; min-height: 300px; }
.figure-xl { font-size: clamp(3.4rem, 8vw, 5.4rem); font-weight: 800; letter-spacing: -0.04em; line-height: 1; color: var(--ink); }
.figure-xl span { color: var(--accent-dark); font-size: .5em; margin-left: 2px; }
.figure-sub { color: var(--slate); font-weight: 600; margin: 8px 0 0; font-size: 1.05rem; }
.figure-div { height: 1px; background: rgba(12,19,34,.12); margin: 24px 0; }
.figure-foot { color: var(--muted); font-size: .95rem; margin: 0; }

/* bigger editorial stats */
.stat b { font-size: clamp(2.2rem, 4vw, 3rem); }

/* dark contrast section (the funnel) */
.section.ink { background: var(--ink); }
.section.ink h2 { color: #fff; }
.section.ink .lead { color: #c7cee0; }
.section.ink .eyebrow { background: rgba(255,255,255,.12); color: #a7f3d8; }
.section.ink .step { background: #fff; }

/* progressive disclosure — services detail */
.svc-details { text-align: center; margin-top: 12px; }
.svc-details > summary { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; padding: 12px 22px; border: 1px solid var(--line); border-radius: 100px; background: #fff; color: var(--accent-dark); font-weight: 700; font-size: .95rem; list-style: none; box-shadow: var(--shadow-sm); transition: border-color .15s ease; }
.svc-details > summary::-webkit-details-marker { display: none; }
.svc-details > summary::after { content: "▾"; font-size: .8em; }
.svc-details[open] > summary::after { content: "▴"; }
.svc-details > summary:hover { border-color: var(--accent); }
.svc-details-body { text-align: left; margin-top: 8px; }

@media print {
  .svc-details > summary { display: none !important; }
  .svc-details-body { display: block !important; }
}
@media (max-width: 920px) { .hero-figure { min-height: 0; } }
@media (max-width: 560px) { .section { padding: 64px 0; } .hero .lead { max-width: none; } }