/* EBAOne AI Studio — landing page.
   Palette from the EBAOne design system: 85% neutral, ~10% corporate blue,
   accent only on actions, semantic colours only for status. No gradients. */
:root {
  --ink: #111827;          /* Graphite */
  --ink-2: #4B5563;
  --ink-3: #6B7280;
  --paper: #FFFFFF;
  --cloud: #F8FAFC;
  --line: #E5EAF0;
  --brand: #163B65;        /* Corporate Blue */
  --brand-deep: #102A43;   /* Sidebar navy */
  --action: #2563A6;       /* Action Blue */
  --action-hover: #1D4E7A;
  --teal: #0F766E;         /* Intelligence Teal */
  --ok: #15803D; --ok-bg: #F0FDF4; --ok-line: #BBF7D0;
  --bad: #B91C1C; --bad-bg: #FEF2F2; --bad-line: #FECACA;
  --on-dark: #EAF2F8; --on-dark-2: #A9BCD0;
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--paper); line-height: 1.6; font-size: 17px; }
img, svg { max-width: 100%; }
a { color: var(--action); text-decoration: none; }
a:hover { color: var(--action-hover); text-decoration: underline; }
:focus-visible { outline: 3px solid var(--action); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; color: var(--ink); letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 700; }
h3 { font-size: 1.125rem; font-weight: 650; }
p { margin: 0 0 1em; }

.wrap { width: min(1160px, 100% - 40px); margin-inline: auto; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--paper); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 12px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: saturate(1.2) blur(6px); }
.header-row { display: flex; align-items: center; gap: 28px; height: 68px; }
.wordmark { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--brand); font-size: 1.05rem; }
.wordmark:hover { text-decoration: none; color: var(--brand); }
.wordmark-sub { font-weight: 500; color: var(--ink-2); }
.mark { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; background: var(--brand); color: #fff; font-weight: 700; font-size: .95rem; }
.nav { display: flex; gap: 24px; margin-left: 12px; }
.nav a { color: var(--ink-2); font-size: .95rem; font-weight: 500; }
.nav a:hover { color: var(--ink); text-decoration: none; }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.link-signin { color: var(--ink); font-weight: 600; font-size: .95rem; }

/* Buttons (no gradients, ever) */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border-radius: 8px; font-weight: 600; font-size: 1rem; border: 1px solid transparent; transition: background-color .15s, border-color .15s, color .15s; }
.btn:hover { text-decoration: none; }
.btn-sm { min-height: 38px; padding: 0 14px; font-size: .92rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--action); color: #fff; }
.btn-primary:hover { background: var(--action-hover); color: #fff; }
.btn-secondary { background: var(--paper); color: var(--ink); border-color: #CBD5E1; }
.btn-secondary:hover { border-color: var(--ink-3); color: var(--ink); }
.btn-light { background: #fff; color: var(--brand-deep); }
.btn-light:hover { background: var(--on-dark); color: var(--brand-deep); }
.btn-ghost-light { color: #fff; border-color: rgba(234,242,248,.45); }
.btn-ghost-light:hover { border-color: #fff; color: #fff; }

.eyebrow { font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--teal); margin-bottom: .75em; }
.eyebrow-light { color: #7CC4BC; }

/* Hero */
.hero { padding: 72px 0 64px; border-bottom: 1px solid var(--line); background: var(--cloud); }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
.lede { font-size: 1.15rem; color: var(--ink-2); max-width: 36em; }
.lede em { font-style: normal; font-weight: 650; color: var(--ink); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 14px; }
.fineprint { font-size: .9rem; color: var(--ink-3); }

/* Product mock-ups (built from the real UI, not illustrations) */
.mock { margin: 0; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 1px 2px rgba(17,24,39,.05), 0 12px 32px rgba(17,24,39,.07); padding: 22px; font-size: .95rem; }
.mock-bar { display: flex; justify-content: space-between; align-items: center; font-weight: 650; margin-bottom: 12px; }
.pill { font-size: .75rem; font-weight: 650; padding: 4px 10px; border-radius: 999px; }
.pill-muted { background: #FFFBEB; color: #92400E; border: 1px solid #FDE68A; }
.mock-goal { background: var(--cloud); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; color: var(--ink); }
.steps { list-style: none; margin: 16px 0; padding: 0; display: grid; gap: 10px; }
.steps li { display: flex; gap: 12px; align-items: flex-start; }
.steps strong { display: block; font-weight: 650; }
.steps small { color: var(--ink-3); font-size: .87rem; }
.step-n { flex: none; display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: #E8EEF5; color: var(--brand); font-weight: 700; font-size: .82rem; margin-top: 1px; }
.mock-estimate { display: flex; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 12px; color: var(--ink-2); }
.mock-estimate strong { color: var(--ink); }
.mock-actions { display: flex; gap: 10px; margin-top: 14px; }
.fake-btn { display: inline-flex; align-items: center; min-height: 36px; padding: 0 14px; border-radius: 7px; border: 1px solid #CBD5E1; font-weight: 600; font-size: .88rem; color: var(--ink); background: #fff; }
.fake-primary { background: var(--action); border-color: var(--action); color: #fff; }

/* Facts */
.facts { border-bottom: 1px solid var(--line); }
.facts-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.facts-grid > div { padding: 28px 22px; border-left: 1px solid var(--line); }
.facts-grid > div:first-child { border-left: 0; padding-left: 0; }
.facts-grid strong { display: block; font-size: 1.6rem; color: var(--brand); font-weight: 700; }
.facts-grid span { color: var(--ink-2); font-size: .95rem; }

/* Sections */
.section { padding: 88px 0; }
.section-alt { background: var(--cloud); border-block: 1px solid var(--line); }
.section-lede { color: var(--ink-2); margin-top: -.25em; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.how-grid { list-style: none; padding: 0; margin: 36px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.how-n { display: block; font-family: var(--mono); color: var(--teal); font-weight: 600; margin-bottom: 14px; }
.how-grid p { color: var(--ink-2); margin: 0; }
.tag { display: inline-block; font-size: .8rem; font-weight: 650; padding: 1px 8px; border-radius: 6px; border: 1px solid var(--line); background: var(--cloud); color: var(--ink-2); }
.tag-ok { color: var(--ok); background: var(--ok-bg); border-color: var(--ok-line); }
.tag-bad { color: var(--bad); background: var(--bad-bg); border-color: var(--bad-line); }

.cap-grid { margin-top: 36px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); overflow: hidden; }
.cap { padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cap:nth-child(3n) { border-right: 0; }
.cap:nth-last-child(-n+3) { border-bottom: 0; }
.cap h3 { color: var(--brand); }
.cap p { color: var(--ink-2); margin: 0; }

/* Code Studio (dark section uses the brand navy, not black) */
.section-dark { background: var(--brand-deep); color: var(--on-dark); }
.section-dark h2 { color: #fff; }
.studio-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 56px; align-items: center; }
.checks { list-style: none; padding: 0; margin: 24px 0 32px; display: grid; gap: 14px; }
.checks li { position: relative; padding-left: 30px; color: var(--on-dark); }
.checks li::before { content: ""; position: absolute; left: 0; top: .45em; width: 16px; height: 9px; border-left: 2px solid #7CC4BC; border-bottom: 2px solid #7CC4BC; transform: rotate(-45deg); }
.studio-mock { background: #0F172A; border-color: #263244; color: #E5E7EB; padding: 0; overflow: hidden; box-shadow: 0 16px 40px rgba(0,0,0,.25); }
.studio-top, .studio-foot { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; background: #111827; border-bottom: 1px solid #263244; font-family: var(--mono); font-size: .85rem; }
.studio-foot { border-bottom: 0; border-top: 1px solid #263244; }
.pill-dark { background: #172033; color: #CBD5E1; border: 1px solid #263244; font-family: var(--font); }
.studio-body { display: grid; grid-template-columns: 200px 1fr; min-height: 230px; }
.tree { list-style: none; margin: 0; padding: 14px 0; background: #0B1220; border-right: 1px solid #263244; font-family: var(--mono); font-size: .82rem; }
.tree li { padding: 4px 16px; color: #94A3B8; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tree .file { padding-left: 30px; }
.tree .new { color: #E5E7EB; }
.tree .new::after { content: " +"; color: #4ADE80; }
.diff { padding: 14px 0; font-family: var(--mono); font-size: .82rem; overflow: hidden; }
.diff-head { display: flex; gap: 10px; align-items: center; padding: 0 16px 10px; color: #CBD5E1; }
.badge-new { font-family: var(--font); font-size: .72rem; font-weight: 650; padding: 2px 8px; border-radius: 6px; background: rgba(21,128,61,.18); color: #86EFAC; }
.diff code { display: flex; gap: 14px; padding: 2px 16px; white-space: pre; font-family: inherit; }
.diff .ln { color: #475569; width: 1.5em; text-align: right; }
.diff .add { color: #D1FAE5; }
.diff code:has(.add) { background: rgba(21,128,61,.10); }
.ok { color: #86EFAC; }

/* Trust */
.trust-grid { margin-top: 36px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px 40px; }
.trust-grid h3 { padding-top: 16px; border-top: 2px solid var(--brand); display: inline-block; }
.trust-grid p { color: var(--ink-2); margin: 0; }

/* Pricing */
.price-grid { margin-top: 36px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }
.price { position: relative; display: flex; flex-direction: column; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; }
.price-featured { border: 2px solid var(--brand); }
.ribbon { position: absolute; top: -12px; left: 22px; margin: 0; background: var(--brand); color: #fff; font-size: .75rem; font-weight: 650; padding: 3px 10px; border-radius: 6px; }
.price h3 { margin-bottom: 0; }
.for { color: var(--ink-3); font-size: .9rem; margin-bottom: 14px; }
.amount { font-size: 2.1rem; font-weight: 700; color: var(--ink); margin-bottom: 14px; letter-spacing: -0.02em; }
.cur { font-size: 1rem; font-weight: 650; color: var(--ink-2); margin-right: 3px; vertical-align: 2px; }
.per { font-size: .95rem; font-weight: 500; color: var(--ink-3); margin-left: 2px; }
.price ul { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 8px; flex: 1; align-content: start; }
.price li { position: relative; padding-left: 22px; color: var(--ink-2); font-size: .95rem; }
.price li::before { content: ""; position: absolute; left: 2px; top: .5em; width: 10px; height: 5px; border-left: 2px solid var(--teal); border-bottom: 2px solid var(--teal); transform: rotate(-45deg); }
.price-note { margin-top: 24px; color: var(--ink-2); font-size: .95rem; }

/* FAQ */
.faq-wrap { display: grid; grid-template-columns: .7fr 1.3fr; gap: 56px; }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 650; list-style: none; display: flex; justify-content: space-between; gap: 20px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--ink-3); font-weight: 400; font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--ink-2); margin: 12px 0 0; }

/* Closing */
.closing { background: var(--brand); color: var(--on-dark); padding: 64px 0; }
.closing h2 { color: #fff; margin-bottom: .3em; }
.closing p { color: var(--on-dark-2); margin: 0; }
.closing-row { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.closing .cta-row { margin: 0; }

/* Footer */
.site-footer { background: var(--brand-deep); color: var(--on-dark-2); padding: 36px 0; }
.footer-row { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 32px; }
.wordmark-footer, .wordmark-footer:hover { color: #fff; }
.wordmark-footer .wordmark-sub { color: var(--on-dark-2); }
.wordmark-footer .mark { background: #fff; color: var(--brand-deep); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 22px; }
.site-footer nav a { color: var(--on-dark); font-size: .93rem; }
.copy { margin: 0 0 0 auto; font-size: .88rem; }

/* Legal pages */
.legal { padding: 56px 0 80px; }
.legal-wrap { max-width: 760px; }
.legal h1 { margin-bottom: .25em; }
.legal h2 { font-size: 1.2rem; margin: 2em 0 .5em; }
.legal p, .legal li { color: var(--ink-2); line-height: 1.7; }
.legal ul { padding-left: 1.2em; }
.legal li { margin-bottom: .45em; }
.legal-meta { font-size: .9rem; color: var(--ink-3); margin-bottom: 2em; }
.legal-foot { margin-top: 2.5em; border-top: 1px solid var(--line); padding-top: 1.2em; }

/* Responsive */
@media (max-width: 1000px) {
  .nav { display: none; }
  .hero-grid, .studio-grid, .faq-wrap { grid-template-columns: 1fr; gap: 40px; }
  .price-grid { grid-template-columns: repeat(2, 1fr); }
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .cap:nth-child(3n) { border-right: 1px solid var(--line); }
  .cap:nth-child(2n) { border-right: 0; }
  .cap:nth-last-child(-n+3) { border-bottom: 1px solid var(--line); }
  .cap:nth-last-child(-n+2) { border-bottom: 0; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .facts-grid { grid-template-columns: repeat(2, 1fr); }
  .facts-grid > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .facts-grid > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .header-row { gap: 12px; }
  .link-signin { display: none; }
  .hero { padding: 48px 0; }
  .section { padding: 64px 0; }
  .how-grid, .cap-grid, .trust-grid, .price-grid { grid-template-columns: 1fr; }
  .cap { border-right: 0 !important; border-bottom: 1px solid var(--line) !important; }
  .cap:last-child { border-bottom: 0 !important; }
  .studio-body { grid-template-columns: 1fr; }
  .tree { display: none; }
  .closing-row { flex-direction: column; align-items: flex-start; }
  .copy { margin-left: 0; }
  .facts-grid > div { padding: 20px 14px; }
}