/* Public landing page. Sections differ in composition; colour changes by field, not by lines. */

.lp { font-size: 1.0625rem; }
.lp .wrap { max-width: 1200px; }
.lp section { padding-block: clamp(72px, 10vw, 140px); }
.lp h2 { font-size: clamp(2rem, 1.3rem + 2.4vw, 3rem); letter-spacing: -.025em; line-height: 1.08; max-width: 18ch; }
.lp .lede { font-size: var(--fs-lead); line-height: 1.45; color: var(--muted); max-width: 44ch; margin-top: var(--s-5); }

/* Top bar */
.lp-bar { position: sticky; top: 0; z-index: var(--z-bar); background: color-mix(in srgb, var(--bg) 94%, transparent); }
@supports (backdrop-filter: blur(1px)) { .lp-bar { backdrop-filter: saturate(1.3) blur(8px); } }
.lp-bar .wrap { display: flex; align-items: center; gap: var(--s-6); min-height: 68px; }
.lp-nav { display: flex; gap: var(--s-1); margin-left: var(--s-4); }
.lp-nav a { color: var(--muted); text-decoration: none; font-size: .9375rem; font-weight: 500; padding: 8px 10px; border-radius: var(--r-xs); }
.lp-nav a:hover { color: var(--text); background: var(--surface-2); }
.lp-bar .actions { margin-left: auto; display: flex; gap: var(--s-2); align-items: center; }
.lp-menu { display: none; }
@media (max-width: 900px) {
  .lp-nav, .lp-bar .login { display: none; }
  .lp-menu { display: inline-grid; }
  .lp-bar .wrap { gap: var(--s-3); }
}

/* Hero */
.hero { padding-top: clamp(40px, 6vw, 88px) !important; padding-bottom: clamp(64px, 8vw, 112px) !important; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.hero h1 { font-size: clamp(2.5rem, 1.1rem + 4.2vw, 4.25rem); letter-spacing: var(--track-display); line-height: 1.02; font-weight: 700; max-width: 15ch; margin-left: -.04em; }
.hero .lede { max-width: 38ch; }
.hero .ctas { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-8); }
.hero .facts { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-6); margin-top: var(--s-10); padding: 0; list-style: none; color: var(--muted); font-size: var(--fs-sm); }
.hero .facts b { color: var(--text); font-variant-numeric: tabular-nums; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; } }

/* Interface fragments shown on the page (real pieces of the product, marked data-ui) */
.ui { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--shadow-card); overflow: hidden; }
.ui-head { display: flex; align-items: center; gap: var(--s-2); padding: 12px 18px; border-bottom: 1px solid var(--line); font-size: var(--fs-xs); color: var(--faint); }
.ui-head b { color: var(--text); font-weight: 600; font-size: var(--fs-sm); }
.ui-body { padding: 18px; }

/* Try-it question (the live thing) */
.tryq .stem { font-size: .96875rem; line-height: 1.6; }
.tryq .lead-in { font-weight: 650; margin-top: var(--s-3); font-size: .96875rem; line-height: 1.5; }
.opts { list-style: none; padding: 0; margin: var(--s-4) 0 0; display: grid; gap: 8px; }
.opt { width: 100%; display: flex; gap: 12px; align-items: center; text-align: left; padding: 11px 14px; min-height: 48px; border-radius: var(--r-sm); border: 1px solid var(--line-2); background: var(--surface); font-size: .96875rem; line-height: 1.35; transition: background-color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease); }
.opt:hover:not(:disabled) { background: var(--surface-2); }
.opt .key { flex: none; width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-items: center; font-size: 12px; font-weight: 700; color: var(--muted); }
.opt .pct { margin-left: auto; font-size: var(--fs-xs); color: var(--faint); font-variant-numeric: tabular-nums; }
.opt.right { border-color: var(--success); background: var(--success-bg); }
.opt.right .key { background: var(--success); border-color: var(--success); color: var(--surface); }
.opt.wrong { border-color: var(--error); background: var(--error-bg); }
.opt.wrong .key { background: var(--error); border-color: var(--error); color: var(--surface); }
.opt:disabled { cursor: default; color: var(--text); }
.verdict { display: flex; align-items: center; gap: 8px; margin-top: var(--s-4); font-weight: 650; }
.verdict.ok { color: var(--success); } .verdict.no { color: var(--error); }
.tryq .why { margin-top: var(--s-2); font-size: .9375rem; line-height: 1.6; color: var(--text); }
.tryq .more { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-4); align-items: center; margin-top: var(--s-4); font-size: var(--fs-sm); }

/* Numbers band */
.band { background: var(--surface-2); padding-block: clamp(40px, 5vw, 64px) !important; }
.band ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-6); }
.band b { display: block; font-size: clamp(2.25rem, 1.5rem + 2.6vw, 3.5rem); font-weight: 700; letter-spacing: -.035em; line-height: 1; font-variant-numeric: tabular-nums; }
.band span { display: block; margin-top: var(--s-2); color: var(--muted); font-size: .9375rem; max-width: 22ch; }
@media (max-width: 760px) { .band ul { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: var(--s-8); } }

/* What's inside: list left, notes fragment right */
.split { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.split.flip { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); }
.split.flip > :first-child { order: 2; }
@media (max-width: 900px) { .split, .split.flip { grid-template-columns: 1fr; } .split.flip > :first-child { order: 0; } }
.inside { list-style: none; padding: 0; margin: var(--s-8) 0 0; display: grid; gap: var(--s-6); }
.inside li { display: grid; gap: 4px; }
.inside b { font-size: 1.1875rem; font-weight: 650; letter-spacing: -.01em; }
.inside span { color: var(--muted); }

/* Notes fragment */
.nfrag .crumb { font-size: var(--fs-xs); color: var(--faint); }
.nfrag h3 { font-size: 1.375rem; margin-top: 6px; }
.nfrag p { font-size: .96875rem; line-height: 1.65; margin-top: var(--s-3); }
.callout { border-left: 3px solid var(--c, var(--line-2)); background: var(--c-bg, var(--surface-2)); border-radius: 0 var(--r-sm) var(--r-sm) 0; padding: 12px 16px; margin-top: var(--s-4); }
.callout .t { font-size: var(--fs-sm); font-weight: 700; color: var(--c); margin-bottom: 6px; }
.c-hy { --c: var(--co-hy); --c-bg: var(--co-hy-bg); }
.c-mech { --c: var(--co-mech); --c-bg: var(--co-mech-bg); }
.c-mem { --c: var(--co-mem); --c-bg: var(--co-mem-bg); }
.c-conf { --c: var(--co-conf); --c-bg: var(--co-conf-bg); }
.chain { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 26px; }
.chain li { position: relative; background: var(--surface); border: 1px solid var(--line-2); border-radius: var(--r-xs); padding: 6px 10px; font-size: var(--fs-sm); line-height: 1.4; }
.chain li:not(:last-child)::after { content: "→"; position: absolute; right: -19px; top: 50%; transform: translateY(-50%); color: var(--accent-text); font-weight: 700; }

/* How buying works: steps + chat transcript */
.steps { margin: var(--s-8) 0 0; padding: 0 0 0 1.4em; display: grid; gap: var(--s-6); }
.steps li { padding-left: 6px; }
.steps li::marker { font-weight: 700; color: var(--accent-text); }
.steps b { display: block; font-size: 1.1875rem; font-weight: 650; }
.steps span { color: var(--muted); }
.chat { padding: 20px; display: grid; gap: 10px; background: var(--surface-2); }
.msg { max-width: 82%; padding: 10px 14px; border-radius: 14px; font-size: .9375rem; line-height: 1.45; background: var(--surface); }
.msg.me { justify-self: end; background: var(--accent-weak); border-bottom-right-radius: 4px; }
.msg.them { border-bottom-left-radius: 4px; }
.msg small { display: block; margin-top: 4px; font-size: 11px; color: var(--faint); text-align: right; }
.code-card { display: grid; gap: 6px; padding: 14px 16px; border-radius: var(--r-sm); background: var(--surface); border: 1px dashed var(--line-2); }
.code-card .code { font-size: clamp(1.0625rem, .9rem + .8vw, 1.375rem); font-weight: 700; letter-spacing: .08em; font-variant-numeric: tabular-nums; white-space: nowrap; }

/* Feature walkthrough */
.features { display: grid; gap: clamp(72px, 9vw, 128px); margin-top: clamp(40px, 5vw, 72px); }
.features h3 { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); letter-spacing: -.02em; max-width: 20ch; }
.features p { color: var(--muted); margin-top: var(--s-3); max-width: 46ch; }
.mini-seg { display: inline-flex; padding: 3px; background: var(--surface-2); border-radius: var(--r-sm); gap: 2px; }
.mini-seg span { padding: 7px 14px; border-radius: 6px; font-size: var(--fs-sm); font-weight: 550; color: var(--muted); }
.mini-seg .on { background: var(--surface); color: var(--text); box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.why-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.why-list li { display: grid; grid-template-columns: 26px 1fr; gap: 10px; padding: 10px 12px; border-radius: var(--r-sm); background: var(--surface-2); font-size: .9375rem; line-height: 1.5; }
.why-list li.right { background: var(--success-bg); }
.why-list .k { font-weight: 700; color: var(--muted); }
.why-list .right .k { color: var(--success); }
.card-face { padding: 24px; min-height: 150px; display: grid; align-content: center; gap: 10px; text-align: center; border-bottom: 1px solid var(--line); }
.card-face .q { font-size: 1.125rem; font-weight: 600; line-height: 1.4; }
.card-face .a { color: var(--muted); font-size: .9375rem; }
.rate { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; padding: 16px; }
.rate span { display: grid; gap: 2px; justify-items: center; padding: 10px 4px; border-radius: var(--r-sm); background: var(--surface-2); font-weight: 600; font-size: var(--fs-sm); }
.rate small { font-weight: 500; color: var(--faint); font-size: var(--fs-xs); font-variant-numeric: tabular-nums; }
.bars-chart { display: grid; gap: 10px; }
.bars-chart .r { display: grid; grid-template-columns: 9.5em 1fr 3em; gap: 10px; align-items: center; font-size: var(--fs-sm); }
.bars-chart .n { text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); }
.bars-chart .low .n { color: var(--error); font-weight: 600; }

/* Plans */
.plans-section { background: var(--surface-2); }
.offer { display: inline-flex; gap: 8px; align-items: center; margin-top: var(--s-5); font-weight: 600; color: var(--accent-text); }
.plans { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: var(--s-10); background: var(--surface); border-radius: var(--r-lg); border: 1px solid var(--line); }
.plan { padding: 28px 24px; display: grid; gap: var(--s-2); align-content: start; position: relative; }
.plan + .plan { border-left: 1px solid var(--line); }
.plan.pop { background: var(--accent-weak); border-radius: var(--r-lg); outline: 2px solid var(--accent); outline-offset: -1px; z-index: 1; }
.plan .len { font-size: 1.125rem; font-weight: 650; }
.plan .price { display: flex; align-items: baseline; gap: 10px; margin-top: var(--s-2); }
.plan .price b { font-size: 2.75rem; font-weight: 700; letter-spacing: -.035em; line-height: 1; font-variant-numeric: tabular-nums; }
.plan .price s { color: var(--faint); font-size: 1.0625rem; font-variant-numeric: tabular-nums; }
.plan .per { color: var(--muted); font-size: var(--fs-sm); font-variant-numeric: tabular-nums; }
.plan .btn { margin-top: var(--s-5); }
.plan .tag { position: absolute; top: 14px; right: 14px; }
.plans-note { margin-top: var(--s-5); color: var(--muted); font-size: .9375rem; }
.includes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-3) var(--s-8); list-style: none; padding: 0; margin: var(--s-8) 0 0; }
.includes li { display: flex; gap: 10px; align-items: flex-start; color: var(--text); }
.includes .i { color: var(--success); margin-top: 3px; }
@media (max-width: 980px) {
  .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .plan:nth-child(3) { border-left: 0; }
  .plan:nth-child(n+3) { border-top: 1px solid var(--line); }
  .includes { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .plans { grid-template-columns: 1fr; }
  .plan + .plan { border-left: 0; border-top: 1px solid var(--line); }
  .includes { grid-template-columns: 1fr; }
}

/* Free sample field */
.sample { background: var(--accent); color: var(--on-accent); }
.sample h2 { color: var(--on-accent); }
.sample .lede { color: color-mix(in srgb, var(--on-accent) 82%, transparent); }
.sample .btn { --b-bg: var(--on-accent); --b-fg: var(--accent); --b-hover: color-mix(in srgb, var(--on-accent) 88%, var(--accent)); }
.sample .wrap { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--s-8); align-items: end; }
.sample ul { list-style: none; padding: 0; margin: var(--s-6) 0 0; display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-6); }
.sample li { display: flex; gap: 8px; align-items: center; }
@media (max-width: 760px) { .sample .wrap { grid-template-columns: 1fr; } }

/* About */
.about .wrap { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 96px); }
.about p { font-size: 1.1875rem; line-height: 1.6; max-width: 52ch; }
.about p + p { margin-top: 1em; }
@media (max-width: 900px) { .about .wrap { grid-template-columns: 1fr; } }

/* FAQ */
.faq .wrap { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 96px); }
.faq dl, .faq-list { margin: 0; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: var(--s-4); padding: 20px 2px; font-weight: 600; font-size: 1.0625rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .i { margin-left: auto; color: var(--faint); transition: transform var(--t) var(--ease); }
.faq details[open] summary .i { transform: rotate(180deg); }
.faq details p { padding: 0 2px 22px; color: var(--muted); max-width: 62ch; }
@media (max-width: 900px) { .faq .wrap { grid-template-columns: 1fr; } }

/* Footer */
.lp-foot { background: var(--text); color: var(--bg); padding-block: clamp(56px, 7vw, 96px) var(--s-10); }
.lp-foot a { color: var(--bg); }
.lp-foot .big { font-size: clamp(3rem, 1rem + 9vw, 9rem); font-weight: 700; letter-spacing: -.045em; line-height: .9; margin: 0 0 var(--s-12) -.04em; }
.lp-foot .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--s-8); font-size: var(--fs-sm); }
.lp-foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--s-2); align-content: start; }
.lp-foot .disc { color: color-mix(in srgb, var(--bg) 72%, transparent); max-width: 56ch; line-height: 1.6; }
.lp-foot .legal { margin-top: var(--s-12); padding-top: var(--s-5); border-top: 1px solid color-mix(in srgb, var(--bg) 18%, transparent); font-size: var(--fs-xs); color: color-mix(in srgb, var(--bg) 66%, transparent); display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-6); }
@media (max-width: 760px) { .lp-foot .cols { grid-template-columns: 1fr 1fr; } .lp-foot .cols > :first-child { grid-column: 1 / -1; } }

/* Floating WhatsApp button (phones only) */
.wa-float { position: fixed; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); z-index: var(--z-bar); display: none; align-items: center; gap: 8px; height: 52px; padding: 0 18px 0 16px; border-radius: var(--r-pill); background: #25d366; color: #0b141a; font-weight: 650; text-decoration: none; box-shadow: var(--shadow-float); }
@media (max-width: 760px) { .wa-float { display: inline-flex; } }
.wa-float { transition: opacity var(--t) var(--ease), transform var(--t) var(--ease); }
.wa-float.away { opacity: 0; transform: translateY(12px); pointer-events: none; }

/* Phone menu sheet */
.lp-sheet { display: grid; gap: 2px; padding: 8px var(--gutter) 16px; border-top: 1px solid var(--line); background: var(--bg); }
.lp-sheet a { padding: 12px 4px; color: var(--text); text-decoration: none; font-weight: 550; font-size: 1.0625rem; border-bottom: 1px solid var(--line); }
.lp-sheet .btn { margin-top: 12px; }
@media (min-width: 901px) { .lp-sheet { display: none !important; } }

/* Lab rows inside the try-it question */
.tryq .labs { border-collapse: collapse; margin: 10px 0 4px; font-size: .9375rem; }
.tryq .labs td { padding: 4px 16px 4px 0; border-bottom: 1px solid var(--line); }
.tryq .labs td:first-child { color: var(--muted); }
.tryq .labs td:last-child { font-variant-numeric: tabular-nums; font-weight: 550; }
.tryq .stem + .stem { margin-top: 10px; }

/* Error and placeholder pages */
.lp .error-page { padding-block: clamp(80px, 14vw, 180px) !important; min-height: 60vh; }
.error-page .code { font-size: var(--fs-sm); font-weight: 700; color: var(--faint); margin-bottom: var(--s-3); }
.error-page h1 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3.25rem); letter-spacing: -.03em; max-width: 20ch; }
.error-page .ctas { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-8); }

/* Legal pages: plain reading layout */
.lp .legal-page { max-width: 760px; padding-block: clamp(48px, 8vw, 96px) var(--s-24); }
.legal-page h1 { font-size: clamp(2rem, 1.5rem + 2vw, 2.75rem); letter-spacing: -.03em; }
.legal-page .updated { color: var(--faint); font-size: var(--fs-sm); margin-top: var(--s-3); }
.legal-page .summary { margin-top: var(--s-8); padding: var(--s-5) var(--s-6); border-radius: var(--r); background: var(--surface-2); }
.legal-page .summary h2 { font-size: 1.0625rem; margin: 0 0 var(--s-2); }
.legal-page .summary ul { margin: 0; padding-left: 1.2em; display: grid; gap: 6px; }
.legal-page h2 { font-size: 1.375rem; letter-spacing: -.015em; margin: var(--s-12) 0 0; scroll-margin-top: 90px; }
.legal-page h3 { font-size: 1.0625rem; margin: var(--s-6) 0 0; }
.legal-page p, .legal-page ul, .legal-page ol { margin: var(--s-3) 0 0; line-height: 1.68; }
.legal-page ul, .legal-page ol { padding-left: 1.25em; }
.legal-page li + li { margin-top: 6px; }
.legal-page .toc { margin-top: var(--s-8); columns: 2; column-gap: var(--s-8); padding-left: 1.4em; font-size: var(--fs-sm); }
@media (max-width: 640px) { .legal-page .toc { columns: 1; } }
.legal-page table { width: 100%; border-collapse: collapse; margin-top: var(--s-4); font-size: var(--fs-sm); }
.legal-page th, .legal-page td { text-align: left; padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.legal-page th { color: var(--muted); font-weight: 600; }

/* Free sample hub */
.lp .sample-hub { padding-block: clamp(48px, 7vw, 96px) clamp(72px, 9vw, 120px); max-width: 1000px; }
.sample-hub h1 { font-size: clamp(2rem, 1.5rem + 2vw, 3rem); letter-spacing: -.035em; line-height: 1.05; }
.hub-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-4); margin-top: var(--s-10); }
@media (max-width: 720px) { .hub-grid { grid-template-columns: minmax(0, 1fr); } }
.hub-card { display: grid; align-content: start; gap: 8px; padding: clamp(20px, 3vw, 32px); border-radius: var(--r-lg); border: 1px solid var(--line); background: var(--surface); color: var(--text); text-decoration: none; transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease); }
.hub-card:hover { border-color: var(--accent); }
.hub-card:active { transform: translateY(1px); }
.hub-icon { width: 44px; height: 44px; border-radius: var(--r-sm); display: grid; place-items: center; background: var(--accent-weak); color: var(--accent-text); margin-bottom: var(--s-3); }
.hub-k { font-size: var(--fs-sm); font-weight: 600; color: var(--faint); }
.hub-card b { font-size: 1.25rem; font-weight: 650; letter-spacing: -.015em; }
.hub-card .muted { font-size: .9375rem; line-height: 1.55; }
.hub-go { display: inline-flex; align-items: center; gap: 6px; margin-top: var(--s-4); color: var(--accent-text); font-weight: 600; font-size: .9375rem; }
.hub-card:hover .hub-go .i { transform: translateX(2px); }
.hub-go .i { transition: transform var(--t-fast) var(--ease); }
.hub-foot { margin-top: var(--s-8); color: var(--muted); font-size: .9375rem; }