/* Hallmark · macrostructure: shared chrome (extends Workbench, theme: Cobalt) · reused verbatim from ../index.html
 * Nav (N1a wordmark+links+CTA), Footer (Ft5 Statement), buttons, base type, wrap/section, reveal — kept identical to the homepage
 * so /blog reads as the same site, not a bolted-on subsection.
 * pre-emit critique: P5 H4 E5 S4 R5 V4
 */

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { overflow-x: clip; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--color-paper); color: var(--color-ink-2); font-family: var(--font-body); font-weight: 400; font-size: var(--text-base); line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

h1, h2, h3, h4 { font-family: var(--font-display); color: var(--color-ink); font-weight: 600; font-style: normal; line-height: 1.1; letter-spacing: -0.025em; overflow-wrap: anywhere; min-width: 0; margin: 0; }
p { margin: 0; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; border-radius: 3px; }

/* ---- Layout ---- */
.wrap { width: 100%; max-width: 76rem; margin-inline: auto; padding-inline: max(clamp(1rem, 4vw, 2.25rem), env(safe-area-inset-left), env(safe-area-inset-right)); }
.section { padding-block: var(--space-3xl); }
@media (max-width: 40rem) { .section { padding-block: var(--space-2xl); } }
.eyebrow { font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-ink-3); display: inline-flex; align-items: center; gap: var(--space-xs); margin: 0 0 var(--space-md); }
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 2px; background: var(--color-accent); flex: none; }

/* ---- Skip link ---- */
.skip { position: absolute; left: var(--space-md); top: -3rem; background: var(--color-ink); color: var(--color-paper); padding: var(--space-xs) var(--space-md); border-radius: var(--radius-sm); font-size: var(--text-sm); z-index: 200; transition: top var(--dur-fast) var(--ease-out); }
.skip:focus { top: var(--space-md); }

/* ---- Buttons ---- */
.btn { --bg: transparent; --fg: var(--color-ink); font-family: var(--font-display); font-weight: 500; font-size: var(--text-sm); letter-spacing: -0.01em; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-xs); min-height: 44px; padding: 0 var(--space-lg); border-radius: var(--radius-sm); border: var(--rule) solid var(--color-rule-2); background: var(--bg); color: var(--fg); cursor: pointer; text-decoration: none; white-space: nowrap; transition: background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out); }
.btn:hover, .btn.is-hover { border-color: var(--color-ink-3); background: var(--color-paper-2); }
.btn:active, .btn.is-active { transform: translateY(1px); }
.btn--primary { --bg: var(--color-accent); --fg: var(--color-accent-ink); border-color: transparent; }
.btn--primary:hover, .btn--primary.is-hover { background: var(--color-accent-press); border-color: transparent; }
@media (pointer: coarse) { .btn { min-height: 48px; } }

/* ---- Nav (N1a — matches homepage) ---- */
.nav { position: sticky; top: 0; z-index: 100; background: var(--color-paper-blur); border-bottom: var(--rule) solid var(--color-rule); backdrop-filter: blur(10px); }
.nav__in { display: flex; align-items: center; gap: var(--space-lg); min-height: 64px; }
.brand { font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); color: var(--color-ink); letter-spacing: -0.03em; text-decoration: none; display: inline-flex; align-items: center; gap: var(--space-xs); }
.brand__mark { width: 18px; height: 18px; border-radius: 5px; background: var(--color-accent); flex: none; }
.nav__links { display: flex; gap: var(--space-lg); margin-left: var(--space-sm); }
.nav__link { font-size: var(--text-sm); color: var(--color-ink-2); text-decoration: none; padding-block: 4px; position: relative; }
.nav__link::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1.5px; background: var(--color-accent); transition: right var(--dur-fast) var(--ease-out); }
.nav__link:hover::after { right: 0; }
.nav__link[aria-current="page"] { color: var(--color-ink); font-weight: 500; }
.nav__right { margin-left: auto; display: flex; align-items: center; gap: var(--space-sm); }
@media (max-width: 52rem) { .nav__links { display: none; } .nav__in { gap: var(--space-sm); } .nav__right .nav__link { display: none; } .nav__right .btn--primary { display: none; } }

/* ---- Mobile floating waitlist CTA ---- */
.waitlist-fab { display: none; position: fixed; right: max(var(--space-lg), env(safe-area-inset-right)); bottom: max(var(--space-lg), env(safe-area-inset-bottom)); z-index: 90; box-shadow: var(--shadow-pop); transition: opacity var(--dur-fast) var(--ease-out); }
@media (max-width: 52rem) { .waitlist-fab { display: inline-flex; } }
.waitlist-fab.is-suppressed { opacity: 0; pointer-events: none; }

/* ---- Mobile nav toggle ---- */
.nav__toggle { display: none; flex: none; width: 40px; height: 40px; align-items: center; justify-content: center; flex-direction: column; gap: 4px; border: var(--rule) solid var(--color-rule-2); border-radius: var(--radius-sm); background: var(--color-paper); cursor: pointer; margin-left: auto; padding: 0; }
.nav__toggle:hover { border-color: var(--color-ink-3); }
.nav__toggle-bar { width: 16px; height: 2px; border-radius: 1px; background: var(--color-ink); transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.nav__mobile { display: none; flex-direction: column; border-top: var(--rule) solid var(--color-rule); background: var(--color-paper); }
.nav__mobile:not([hidden]) { display: flex; }
.nav__mobile-link { min-height: 48px; padding: 0 var(--space-md); display: flex; align-items: center; font-size: var(--text-base); color: var(--color-ink-2); text-decoration: none; border-bottom: var(--rule) solid var(--color-rule); }
.nav__mobile-link:last-child { border-bottom: 0; }
.nav__mobile-link[aria-current="page"] { color: var(--color-ink); font-weight: 500; }
.nav__mobile-link:hover, .nav__mobile-link:focus-visible { color: var(--color-accent-text); background: var(--color-paper-2); }
@media (max-width: 52rem) { .nav__toggle { display: inline-flex; } }

/* ---- Breadcrumb ---- */
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: var(--text-xs); color: var(--color-ink-3); padding-top: var(--space-lg); }
.crumbs a { color: var(--color-ink-3); text-decoration: none; }
.crumbs a:hover { color: var(--color-accent-text); text-decoration: underline; text-underline-offset: 2px; }
.crumbs span[aria-current] { color: var(--color-ink-2); }
.crumbs .sep { color: var(--color-rule-2); }

/* ---- Tags ---- */
.tag { font-family: var(--font-mono); font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.06em; padding: 3px 7px; border-radius: 5px; white-space: nowrap; }
.tag--feature { color: var(--color-accent-text); background: var(--color-accent-soft); }
.tag--muted { color: var(--color-ink-3); background: var(--color-paper-2); }

/* ---- FAQ (reused from homepage) ---- */
.faqgroup { margin-top: var(--space-2xl); }
.faqlist { display: grid; grid-template-columns: minmax(0,1fr); gap: var(--space-lg); }
@media (min-width: 54rem) { .faqlist { grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--space-lg) var(--space-xl); } }
.faqitem { border: 1px solid var(--color-rule); border-radius: var(--radius-lg); padding: var(--space-lg); background: var(--color-paper); }
.faqitem__q { font-family: var(--font-display); font-weight: 600; font-size: var(--text-base); color: var(--color-ink); letter-spacing: -0.01em; margin: 0 0 var(--space-sm); display: flex; align-items: baseline; gap: 8px; }
.faqitem__q::before { content: "Q"; flex: none; font-family: var(--font-mono); font-size: 0.62rem; font-weight: 500; color: var(--color-accent-text); border: 1px solid var(--color-accent-text); border-radius: 4px; padding: 1px 6px; }
.faqitem__a { font-size: var(--text-sm); color: var(--color-ink-2); line-height: 1.6; margin: 0; }

/* ---- Footer (Ft5 — matches homepage) ---- */
.foot { background: var(--color-graphite-2); color: var(--color-on-graphite-2); padding-block: var(--space-3xl) var(--space-xl); }
.foot__statement { font-family: var(--font-display); font-weight: 600; font-size: var(--text-4xl); color: var(--color-paper); letter-spacing: -0.03em; max-width: 18ch; line-height: 1.05; }
.foot__grid { display: grid; grid-template-columns: 1fr; gap: var(--space-2xl); margin-top: var(--space-2xl); padding-top: var(--space-2xl); border-top: 1px solid var(--color-graphite-rule); }
@media (min-width: 30rem) { .foot__grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 56rem) { .foot__grid { grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: var(--space-xl); } }
.foot__brandcol { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-md); }
@media (min-width: 30rem) { .foot__brandcol { grid-column: 1 / -1; } }
@media (min-width: 56rem) { .foot__brandcol { grid-column: auto; } }
.foot .brand { color: var(--color-paper); }
.foot__tag { font-size: var(--text-sm); color: var(--color-on-graphite-2); max-width: 34ch; line-height: 1.5; }
.foot__col h3 { font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-on-graphite-2); font-weight: 500; margin-bottom: var(--space-md); }
.foot__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-sm); }
.foot__col a, .foot__col .linkbtn { color: var(--color-on-graphite); text-decoration: none; font-size: var(--text-sm); padding-block: 2px; }
.foot__col a:hover, .foot__col .linkbtn:hover { color: var(--color-accent); }
.foot__bottom { display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-lg); margin-top: var(--space-2xl); padding-top: var(--space-lg); border-top: 1px solid var(--color-graphite-rule); font-size: var(--text-xs); color: var(--color-on-graphite-2); }
.foot__bottom .foot__brand { font-family: var(--font-display); font-weight: 600; color: var(--color-on-graphite); }

/* ---- Reveal ---- */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.reveal.is-in { opacity: 1; transform: none; }