/* ticksstart: shared styles for the home page and product pages.
   Dark ground, one amber action colour, cyan only for technical metadata. */
:root {
  --bg: #0B0D10;       /* page ground */
  --card: #131820;     /* raised surfaces */
  --rule: #252B35;     /* borders and grid lines */
  --text: #F5F7FA;     /* primary text */
  --soft: #B0B8C4;     /* secondary text */
  --muted: #8C96A4;    /* captions (4.9:1 on --bg) */
  --signal: #FFB020;   /* brand amber: primary actions, prices */
  --tech: #35C6F4;     /* technical metadata, inline links */
  --display: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --wrap: 1160px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 1.0625rem/1.6 var(--display); -webkit-font-smoothing: antialiased; overflow-wrap: break-word; }
a { color: inherit; }
p a, li a, dd a, td a { color: var(--tech); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3 { margin: 0; font-weight: 600; text-wrap: balance; }
p { margin: 0; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 30; background: var(--signal); color: var(--bg); padding: 10px 14px; border-radius: 4px; font-weight: 600; }
.skip:focus { left: 16px; }

.band { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.wrap { max-width: var(--wrap); margin: 0 auto; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 20px; border-radius: 4px; font: 600 1rem/1.2 var(--display); text-decoration: none; text-align: center; cursor: pointer; border: 1px solid transparent; }
.btn-primary { background: var(--signal); color: var(--bg); }
.btn-primary:hover { background: #FFC24D; }
.btn-ghost { border-color: var(--rule); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--soft); }
.btn-sm { min-height: 44px; padding: 0 16px; font-size: 0.95rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 480px) { .actions .btn { flex: 1 1 100%; } }

/* Header */
.site-head { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px 28px; min-height: 72px; }
.logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; flex: none; }
.logo svg { width: 36px; height: 36px; }
.logo-text { display: grid; gap: 3px; line-height: 1; }
.logo-name { font-weight: 600; font-size: 1.1rem; letter-spacing: 0.04em; }
.logo-sub { font-weight: 500; font-size: 0.78rem; letter-spacing: 0.02em; color: var(--soft); }
.head-right { display: flex; align-items: center; gap: 8px 28px; }
.nav { display: flex; gap: 24px; font-size: 0.95rem; }
.nav a { color: var(--soft); text-decoration: none; padding-block: 8px; }
.nav a:hover { color: var(--text); }
.menu { position: relative; display: none; }
.menu summary { list-style: none; cursor: pointer; min-height: 44px; min-width: 44px; display: grid; place-items: center; border: 1px solid var(--rule); border-radius: 4px; padding: 0 12px; font-size: 0.95rem; color: var(--soft); }
.menu summary::-webkit-details-marker { display: none; }
.menu[open] summary { color: var(--text); border-color: var(--soft); }
.menu nav { position: absolute; right: 0; top: calc(100% + 8px); background: var(--card); border: 1px solid var(--rule); border-radius: 6px; padding: 6px; display: grid; min-width: 200px; box-shadow: 0 12px 32px rgb(0 0 0 / 0.5); }
.menu nav a { padding: 12px 14px; text-decoration: none; color: var(--text); border-radius: 4px; }
.menu nav a:hover { background: var(--rule); }
@media (max-width: 820px) { .nav { display: none; } .menu { display: block; } .head-right { gap: 8px; } }
@media (max-width: 400px) { .head-right .btn { padding: 0 12px; } .menu summary { padding: 0 10px; } .logo { gap: 9px; } .logo svg { width: 30px; height: 30px; } }
@media (max-width: 359px) { .logo-sub { display: none; } }

/* Hero */
.hero .wrap { padding-block: 64px 36px; display: grid; gap: 24px; }
.hero h1 { font-size: clamp(2.15rem, 5.4vw, 4.1rem); line-height: 1.04; letter-spacing: -0.035em; max-width: 15em; }
.hero .lede { font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: var(--soft); max-width: 40em; }
.benefits { display: flex; flex-wrap: wrap; gap: 8px 24px; padding: 0; margin: 4px 0 0; list-style: none; color: var(--text); font-size: 0.98rem; }
.benefits li { display: inline-flex; align-items: center; gap: 10px; }
.benefits li::before { content: ""; width: 7px; height: 7px; background: var(--signal); flex: none; }
@media (max-width: 760px) { .hero .wrap { padding-block: 32px 20px; gap: 18px; } .benefits { display: grid; } }

/* Sections */
.section .wrap { padding-block: 72px; border-top: 1px solid var(--rule); display: grid; gap: 36px; }
@media (max-width: 760px) { .section .wrap { padding-block: 48px; gap: 28px; } }
.section-head { display: grid; gap: 12px; max-width: 44rem; }
.section-head h2 { font-size: clamp(1.65rem, 3.4vw, 2.5rem); line-height: 1.1; letter-spacing: -0.025em; }
.section-head p { color: var(--soft); font-size: 1.08rem; }
#catalog .wrap { border-top: 0; padding-top: 24px; }
.eyebrow { font: 500 0.8rem/1.2 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--tech); }

/* Catalog cards */
.catalog { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--rule); border-radius: 8px; padding: 22px; display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.card h3 { font-size: 1.2rem; line-height: 1.25; letter-spacing: -0.01em; }
.card h3 a { text-decoration: none; }
.card h3 a:hover { text-decoration: underline; text-underline-offset: 4px; }
.card .bundle { font: 500 0.78rem/1.4 var(--mono); color: var(--tech); }
.card .desc { color: var(--soft); font-size: 0.97rem; }
.facts { margin: 0; display: grid; gap: 8px; font-size: 0.92rem; }
.facts div { display: flex; justify-content: space-between; gap: 12px; border-top: 1px solid var(--rule); padding-top: 8px; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.price { display: flex; align-items: baseline; gap: 8px; margin-top: auto; padding-top: 6px; }
.price b { font: 600 2rem/1 var(--mono); font-variant-numeric: tabular-nums; color: var(--signal); }
.price span { color: var(--soft); font-size: 0.9rem; }
.card .actions { display: grid; gap: 8px; }
.card .actions .btn { width: 100%; }

/* Pricing comparison */
.ptable { width: 100%; border-collapse: collapse; font-size: 1rem; border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; }
.ptable th, .ptable td { text-align: left; padding: 16px 18px; border-bottom: 1px solid var(--rule); vertical-align: middle; }
.ptable thead th { font-size: 0.85rem; font-weight: 500; color: var(--muted); background: var(--card); }
.ptable tbody tr:last-child > * { border-bottom: 0; }
.ptable .num { text-align: right; font: 600 1.15rem/1 var(--mono); font-variant-numeric: tabular-nums; color: var(--signal); white-space: nowrap; }
.ptable td.go { text-align: right; width: 1%; white-space: nowrap; }
.ptable tbody th a { text-decoration: none; }
.ptable tbody th a:hover { text-decoration: underline; }
.ptable .sub { display: block; color: var(--soft); font-weight: 400; font-size: 0.9rem; }
.note { font-size: 0.9rem; color: var(--muted); max-width: 48em; }
@media (max-width: 720px) {
  .ptable thead { display: none; }
  .ptable, .ptable tbody, .ptable tr, .ptable th, .ptable td { display: block; }
  .ptable tr { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px 16px; padding: 16px; border-bottom: 1px solid var(--rule); }
  .ptable tbody tr:last-child { border-bottom: 0; }
  .ptable th, .ptable td { padding: 0; border: 0; }
  .ptable td[data-label]::before { content: attr(data-label) ": "; color: var(--muted); }
  .ptable .cov { grid-column: 1 / -1; font-size: 0.92rem; color: var(--soft); }
  .ptable .num { grid-row: 1; grid-column: 2; }
  .ptable td.go { grid-column: 1 / -1; text-align: left; width: auto; margin-top: 6px; }
  .ptable td.go .btn { width: 100%; }
}

/* Spec rows */
.spec { margin: 0; display: grid; border-top: 1px solid var(--rule); }
.spec > div { display: grid; grid-template-columns: minmax(0, 15rem) minmax(0, 1fr); gap: 6px 40px; padding-block: 16px; border-bottom: 1px solid var(--rule); }
.spec dt { color: var(--soft); font-weight: 500; }
.spec dd { margin: 0; color: var(--text); }
.spec dd.mono { font-size: 0.95rem; }
@media (max-width: 640px) { .spec > div { grid-template-columns: minmax(0, 1fr); padding-block: 12px; } .spec dt { font-size: 0.9rem; } }

/* Feature/text grid */
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); gap: 28px 40px; }
.cols h3 { font-size: 1.15rem; margin-bottom: 8px; }
.cols p { color: var(--soft); }
.ticks { display: grid; gap: 10px; padding: 0; margin: 0; list-style: none; color: var(--soft); }
.ticks li { display: grid; grid-template-columns: 14px minmax(0, 1fr); gap: 12px; }
.ticks li::before { content: ""; width: 7px; height: 7px; margin-top: 0.62em; background: var(--signal); }

/* Steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); counter-reset: step; border-top: 2px solid var(--signal); }
.steps li { counter-increment: step; padding: 20px 24px 0 0; display: grid; gap: 8px; align-content: start; }
.steps li::before { content: counter(step); font: 600 0.95rem/1 var(--mono); color: var(--signal); }
.steps h3 { font-size: 1.08rem; }
.steps p { color: var(--soft); font-size: 0.97rem; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 4px; } }
@media (max-width: 520px) { .steps { grid-template-columns: minmax(0, 1fr); } .steps li { padding-top: 16px; } }

/* Forms */
.split { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 36px 56px; align-items: start; }
@media (max-width: 900px) { .split { grid-template-columns: minmax(0, 1fr); } }
.form { background: var(--card); border: 1px solid var(--rule); border-radius: 8px; padding: 24px; display: grid; gap: 16px; }
@media (max-width: 520px) { .form { padding: 18px; } }
.field { display: grid; gap: 6px; min-width: 0; }
.field label { font-size: 0.92rem; font-weight: 500; }
.field .opt { color: var(--muted); font-weight: 400; }
.field input, .field select, .field textarea { width: 100%; min-height: 48px; padding: 10px 12px; background: var(--bg); color: var(--text); border: 1px solid var(--rule); border-radius: 4px; font: 400 1rem/1.4 var(--display); }
.field textarea { min-height: 96px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--signal); outline-offset: 0; border-color: var(--signal); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form .btn { justify-self: start; }
@media (max-width: 480px) { .form .btn { justify-self: stretch; } }
.form-status { font-size: 0.95rem; color: var(--soft); min-height: 1.6em; }
.form-status.ok { color: var(--signal); }
.form-status.err { color: #FF8A70; }
.fineprint { font-size: 0.88rem; color: var(--muted); }

/* Product page */
.crumbs { font-size: 0.9rem; color: var(--muted); }
.crumbs a { color: var(--soft); text-decoration: none; }
.crumbs a:hover { color: var(--text); text-decoration: underline; }
.p-hero .wrap { padding-block: 40px 56px; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr); gap: 32px 56px; align-items: end; }
@media (max-width: 900px) { .p-hero .wrap { grid-template-columns: minmax(0, 1fr); padding-block: 28px 40px; } }
.p-hero .intro { display: grid; gap: 16px; }
.p-hero h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); line-height: 1.06; letter-spacing: -0.03em; }
.p-hero .lede { color: var(--soft); font-size: 1.1rem; max-width: 38em; }
.buybox { background: var(--card); border: 1px solid var(--rule); border-radius: 8px; padding: 22px; display: grid; gap: 14px; }
.buybox .price b { font-size: 2.4rem; }
.buybox .actions { display: grid; }
.buybox .actions .btn { width: 100%; }
.code { margin: 0; padding: 16px 18px; background: var(--card); border: 1px solid var(--rule); border-radius: 6px; font: 400 0.85rem/1.65 var(--mono); color: var(--soft); overflow-x: auto; }
.others { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 12px; }
.others a { display: flex; justify-content: space-between; gap: 12px; padding: 16px 18px; background: var(--card); border: 1px solid var(--rule); border-radius: 6px; text-decoration: none; }
.others a:hover { border-color: var(--soft); }
.others b { font-family: var(--mono); color: var(--signal); font-weight: 600; }

/* FAQ */
.faq { display: grid; border-top: 1px solid var(--rule); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary { list-style: none; cursor: pointer; padding: 18px 40px 18px 0; font-size: 1.08rem; font-weight: 500; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font: 400 1.5rem/1 var(--mono); color: var(--signal); }
.faq details[open] summary::after { content: "\2212"; }
.faq details > div { color: var(--soft); padding-bottom: 20px; max-width: 46em; display: grid; gap: 10px; }

/* Footer */
.site-foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 24px; padding-block: 28px 36px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 0.92rem; }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.site-foot a { color: var(--soft); text-decoration: none; }
.site-foot a:hover { color: var(--text); text-decoration: underline; }