/* Astris Data Labs — see docs/DESIGN.md */
/* Matches the Astris family look: white ground, navy type and sections, signal blue, square edges,
   Inter Tight uppercase display, Inter body, Geist Mono "//" labels. */
:root {
  --paper: #FFFFFF; --surface: #FFFFFF; --tint: #F4F6F9; --ink: #0A0F1A; --head: #012348; --muted: #5B6577; --line: #E2E6EC;
  --accent: #1864EE; --accent-hover: #0F4FC4; --btn: #012348; --btn-hover: #1864EE; --on-accent: #FFFFFF;
  --deep: #012348; --on-deep: #FFFFFF; --deep-muted: #C8D6EA; --deep-line: #1C3357; --deep-accent: #7FB0FF;
  --ok: #1F7A4D; --err: #B3261E; --pending-bg: #FFF4D6; --pending-ink: #6B4E00;
  --display: "Inter Tight", "Inter", system-ui, sans-serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, Menlo, Consolas, monospace;
  --serif: var(--display);
  --max: 1200px;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --paper: #07101F; --surface: #0D1A2E; --tint: #0B1628; --ink: #E6ECF5; --head: #FFFFFF; --muted: #9AA8BE; --line: #1E2C44;
  --accent: #7FB0FF; --accent-hover: #A9C9FF; --btn: #1864EE; --btn-hover: #0F4FC4; --on-accent: #FFFFFF;
  --deep: #012348; --on-deep: #FFFFFF; --deep-muted: #C8D6EA; --deep-line: #1C3357; --deep-accent: #7FB0FF;
  --ok: #5CC28D; --err: #F2827A; --pending-bg: #3A2F12; --pending-ink: #F5D98A; color-scheme: dark; } }
:root[data-theme="dark"] {
  --paper: #07101F; --surface: #0D1A2E; --tint: #0B1628; --ink: #E6ECF5; --head: #FFFFFF; --muted: #9AA8BE; --line: #1E2C44;
  --accent: #7FB0FF; --accent-hover: #A9C9FF; --btn: #1864EE; --btn-hover: #0F4FC4; --on-accent: #FFFFFF;
  --deep: #012348; --on-deep: #FFFFFF; --deep-muted: #C8D6EA; --deep-line: #1C3357; --deep-accent: #7FB0FF;
  --ok: #5CC28D; --err: #F2827A; --pending-bg: #3A2F12; --pending-ink: #F5D98A; color-scheme: dark; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(88px + env(safe-area-inset-top, 0px)); }
[hidden] { display: none !important; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16.5px/1.6 var(--sans); }
img, svg { max-width: 100%; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; margin: 0; text-wrap: balance; color: var(--head); }
h1 { font-size: clamp(34px, 5vw, 60px); line-height: .98; letter-spacing: -.045em; text-transform: uppercase; }
h2 { font-size: clamp(28px, 3.4vw, 42px); line-height: 1; letter-spacing: -.04em; text-transform: uppercase; }
h3 { font-size: 19px; line-height: 1.25; letter-spacing: -.02em; }
p { margin: 0; }
em { font-style: normal; color: var(--accent); }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--surface); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 16px; }

.wrap { max-width: var(--max); margin: 0 auto; padding-inline: 20px; }
.eyebrow { font: 500 11.5px/1.5 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
p.eyebrow::before { content: "// "; }
.lede { color: var(--muted); font-size: 18px; max-width: 60ch; }
.stack { display: grid; gap: 16px; }
.section { padding-block: 96px; }
.section + .section { border-top: 1px solid var(--line); }
.section-head { display: grid; gap: 12px; max-width: 760px; margin-bottom: 40px; }
.more { font-weight: 600; text-decoration: none; color: var(--accent); }
.more::after { content: " →"; }
.more:hover { color: var(--accent-hover); }

/* header */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: color-mix(in srgb, var(--paper) 86%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo { align-items: baseline; color: var(--head); }
.logo b { font: 700 20px/1 var(--display); letter-spacing: -.03em; }
.logo b i { font-style: normal; color: var(--accent); }
.logo small { font: 500 10.5px/1 var(--mono); letter-spacing: .18em; color: var(--muted); }
.nav { display: flex; align-items: center; gap: 26px; font-size: 15px; }
.nav a:not(.btn) { text-decoration: none; color: var(--head); font-weight: 500; }
.nav a:not(.btn):hover, .nav a:not(.btn)[aria-current="page"] { color: var(--accent); }
.nav a:not(.btn)[aria-current="page"] { border-bottom: 2px solid var(--accent); padding-bottom: 3px; }
.menu { display: none; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.header-actions .header-cta { display: none; }

.btn { display: inline-block; border-radius: 0; padding: 13px 22px; font: 600 14px/1 var(--sans); letter-spacing: -.01em; text-decoration: none; border: 1px solid transparent; cursor: pointer; text-align: center; }
.btn-primary { background: var(--btn); border-color: var(--btn); color: var(--on-accent); }
.btn-primary:hover { background: var(--btn-hover); border-color: var(--btn-hover); }
.btn-ghost { border-color: var(--head); color: var(--head); background: transparent; }
.btn-ghost:hover { background: var(--tint); }
.ctas { display: flex; gap: 12px; flex-wrap: wrap; }

/* hero */
.hero { display: grid; grid-template-columns: 1.25fr .9fr; gap: 56px; align-items: center; padding-block: 72px 96px; }
.hero > div:first-child { display: grid; gap: 22px; }
.page-hero { padding-block: 72px 64px; display: grid; gap: 20px; max-width: 860px; }

/* ticket (work-order style record example) */
.ticket { background: var(--surface); border: 1px solid var(--line); border-radius: 0; padding: 24px; min-width: 0; }
.ticket.lift { border-top: 3px solid var(--accent); box-shadow: 0 24px 48px -32px rgba(1, 35, 72, .45); }
.ticket header { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-bottom: 1px dashed var(--line); padding-bottom: 12px; margin-bottom: 14px; }
.ticket h3 { font-size: 19px; margin-bottom: 14px; }
.ticket dl { display: grid; grid-template-columns: 92px 1fr; gap: 10px 14px; margin: 0; font-size: 15.5px; }
.ticket dt { font: 500 11px/1.9 var(--mono); letter-spacing: .12em; color: var(--muted); }
.ticket dd { margin: 0; min-width: 0; }
.ticket .note { border-top: 1px dashed var(--line); margin-top: 16px; padding-top: 12px; font-size: 14.5px; color: var(--muted); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.disclaimer { font-size: 14px; color: var(--muted); margin-top: 20px; }

/* deep block */
.deep { background: var(--deep); color: var(--on-deep); padding-block: 88px; }
.deep .eyebrow { color: var(--deep-accent); }
.deep h2, .deep h3 { color: var(--on-deep); }
.deep h2 { max-width: 22ch; }
.deep .cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; margin-top: 44px; }
.deep .cols p { color: var(--deep-muted); margin-top: 10px; }
.deep.four .cols { grid-template-columns: repeat(4, 1fr); }
.deep .cols > div { border-top: 1px solid var(--deep-line); padding-top: 20px; }

/* steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; counter-reset: step; }
.steps li { display: grid; grid-template-columns: 72px 1fr; gap: 20px; padding-block: 26px; border-top: 1px solid var(--line); counter-increment: step; }
.steps li:last-child { border-bottom: 1px solid var(--line); }
.steps li::before { content: "//0" counter(step); font: 700 13px/1.9 var(--mono); letter-spacing: .1em; color: var(--accent); }
.steps h3 { margin-bottom: 6px; }
.steps p { color: var(--muted); max-width: 64ch; }
.who { display: inline-block; font: 500 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--line); border-radius: 0; padding: 5px 7px; margin-top: 10px; }
.steps.compact { grid-template-columns: repeat(3, 1fr); gap: 28px; }
.steps.compact li { grid-template-columns: 1fr; gap: 10px; border-bottom: 0; padding-block: 24px 0; }

/* definition rows */
.rows { border-top: 1px solid var(--line); }
.rows > div { display: grid; grid-template-columns: 220px 1fr; gap: 24px; padding-block: 22px; border-bottom: 1px solid var(--line); }
.rows dt { font: 500 12px/1.9 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.rows dd { margin: 0; max-width: 64ch; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: 0; padding: 26px; min-width: 0; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.prose { display: grid; gap: 18px; max-width: 64ch; }
.quote { font: 600 clamp(22px, 2.4vw, 28px)/1.25 var(--display); letter-spacing: -.02em; color: var(--head); border-left: 3px solid var(--accent); padding-left: 22px; }

.list { margin: 14px 0 0; padding-left: 18px; display: grid; gap: 8px; color: var(--ink); }

/* table */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 0; background: var(--surface); }
table { border-collapse: collapse; width: 100%; min-width: 640px; font-size: 15.5px; }
th, td { text-align: left; padding: 16px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 500 11px/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
tbody tr:last-child td { border-bottom: 0; }
td ul { margin: 0; padding-left: 18px; }

/* faq */
.faq { border-top: 1px solid var(--line); max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 20px; padding-block: 22px; font: 600 18px/1.35 var(--display); letter-spacing: -.015em; color: var(--head); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 24px/1 var(--sans); color: var(--accent); flex: none; }
.faq details[open] summary::after { content: "–"; }
.faq details > div { padding-bottom: 24px; color: var(--muted); max-width: 70ch; display: grid; gap: 12px; }

/* cta band */
.cta-band { background: var(--tint); border-block: 1px solid var(--line); padding-block: 80px; }
.cta-band .wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; }
.cta-band .ctas { justify-content: flex-end; }
.cta-band .helper { color: var(--muted); margin-top: 12px; max-width: 54ch; }

.pending { background: var(--pending-bg); color: var(--pending-ink); border-radius: 4px; padding: 2px 6px; font-size: .92em; }

/* contact */
.contact { display: grid; grid-template-columns: 1.2fr .8fr; gap: 56px; align-items: start; padding-block: 24px 96px; }
.contact-email { display: grid; gap: 20px; border: 1px solid var(--line); background: var(--surface); padding: 32px; }
.contact-email h2 { font-size: 28px; }
.contact-email p { color: var(--muted); }
.contact-email > a { font-size: clamp(18px, 3vw, 25px); font-weight: 600; color: var(--accent); text-underline-offset: 4px; overflow-wrap: anywhere; }
.contact-email > a:hover { color: var(--accent-hover); }
.aside { display: grid; gap: 28px; }
.aside ol { margin: 0; padding-left: 20px; display: grid; gap: 10px; color: var(--muted); }
.aside h2 { font-size: 20px; margin-bottom: 12px; }
.small { font-size: 14px; color: var(--muted); }

/* footer */
.site-footer { padding-block: 56px 40px; font-size: 15px; color: var(--muted); border-top: 1px solid var(--line); }
.site-footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 10px 22px; justify-content: flex-end; }
.site-footer nav a { text-decoration: none; }
.site-footer nav a:hover { color: var(--ink); }
.site-footer .legal { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 22px; font-size: 13.5px; display: grid; gap: 6px; }

@media (max-width: 960px) {
  .grid-4, .deep.four .cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .section { padding-block: 64px; }
  .deep { padding-block: 64px; }
  .hero, .split, .contact, .cta-band .wrap, .site-footer .wrap { grid-template-columns: 1fr; gap: 36px; }
  .hero { padding-block: 40px 64px; }
  .page-hero { padding-block: 48px 40px; }
  .grid-3, .grid-2, .deep .cols, .steps.compact { grid-template-columns: 1fr; }
  .cta-band .ctas, .site-footer nav { justify-content: flex-start; }
  .rows > div { grid-template-columns: 1fr; gap: 6px; }
  .nav { display: none; }
  .menu { display: block; position: relative; }
  .header-actions .header-cta { display: inline-block; padding: 10px 14px; font-size: 13px; }
  .menu summary { list-style: none; cursor: pointer; border: 1px solid var(--line); border-radius: 0; padding: 10px 14px; font: 600 15px/1 var(--sans); background: var(--surface); }
  .menu summary::-webkit-details-marker { display: none; }
  .menu[open] .nav { display: grid; position: absolute; right: 0; top: calc(100% + 8px); background: var(--surface); border: 1px solid var(--line); border-radius: 0; padding: 16px; gap: 14px; min-width: 240px; max-height: calc(100dvh - 88px - env(safe-area-inset-top, 0px)); overflow-y: auto; overscroll-behavior: contain; box-shadow: 0 18px 40px -24px rgba(15, 26, 48, .5); }
  .contact-email { padding: 22px; }
}
@media (max-width: 480px) {
  .header-actions .header-cta { display: none; }
}
@media (max-width: 560px) {
  .grid-4, .deep.four .cols { grid-template-columns: 1fr; }
  .steps li { grid-template-columns: 48px 1fr; gap: 14px; }
  .ticket dl { grid-template-columns: 1fr; gap: 2px 0; }
  .ticket dd { margin-bottom: 8px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }
@media (pointer: coarse), (max-width: 860px) {
  .btn, .menu summary { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
  .header-actions .header-cta { min-height: 44px; }
  .menu .nav a, .site-footer nav a { min-height: 44px; display: flex; align-items: center; }
  .contact-email > a { min-height: 44px; display: flex; align-items: center; }
}