/* CollieDesk site. Tokens first; see docs/design-guidelines section in site/README.md. */
:root {
  --ink: #15171a;          /* text, dark surfaces */
  --ink-2: #4a4f57;        /* secondary text: 8.0:1 on white */
  --ink-3: #6b717a;        /* captions: 4.9:1 on white */
  --paper: #ffffff;
  --paper-2: #f4f5f7;      /* cool neutral band, not cream */
  --line: #e2e5e9;
  --sable: #a8481c;        /* collie sable: links and primary buttons, 5.8:1 with white */
  --sable-hi: #8c3a14;     /* hover */
  --sable-soft: #fcefe7;
  --ember: #f08a50;        /* accent on dark only: 6.9:1 on --ink */
  --ok: #1d6b40;
  --ok-soft: #e6f3eb;
  --focus: #1f5fd1;
  --code-bg: #121417;
  --radius: 14px;
  --radius-sm: 8px;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, "Liberation Mono", monospace;
  --wrap: 72rem;
  --step-0: 1.0625rem;
  --step-h1: clamp(2.25rem, 1.4rem + 3.6vw, 4.25rem);
  --step-h2: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem);
  --step-h3: 1.2rem;
  --space-section: clamp(3.5rem, 2.5rem + 4vw, 6.5rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 5rem; }
body { margin: 0; font: 400 var(--step-0)/1.6 var(--sans); color: var(--ink); background: var(--paper); text-rendering: optimizeLegibility; }
img, svg { display: block; max-width: 100%; }
a { color: var(--sable); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--sable-hi); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.025em; margin: 0 0 .6em; text-wrap: balance; }
h1 { font-size: var(--step-h1); font-weight: 800; letter-spacing: -0.035em; }
h2 { font-size: var(--step-h2); font-weight: 750; }
h3 { font-size: var(--step-h3); font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
code { font-family: var(--mono); font-size: .88em; background: var(--paper-2); border: 1px solid var(--line); padding: .1em .35em; border-radius: 5px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 clamp(1.1rem, 4vw, 2rem); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 1rem; top: -4rem; background: var(--ink); color: #fff; padding: .6rem 1rem; border-radius: var(--radius-sm); z-index: 10; }
.skip:focus { top: 1rem; color: #fff; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(255,255,255,.92); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 1.5rem; min-height: 4rem; }
.brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 800; letter-spacing: -0.02em; color: var(--ink); text-decoration: none; font-size: 1.1rem; }
.brand:hover { color: var(--ink); }
.nav-desktop { margin-left: auto; }
.nav-desktop ul, .nav-mobile ul { list-style: none; margin: 0; padding: 0; display: flex; gap: .25rem; }
.nav-desktop a, .nav-mobile a { display: inline-block; padding: .55rem .7rem; color: var(--ink-2); text-decoration: none; font-weight: 550; font-size: .97rem; border-radius: var(--radius-sm); }
.nav-desktop a:hover, .nav-mobile a:hover { color: var(--ink); background: var(--paper-2); }
.nav-desktop a[aria-current="page"], .nav-mobile a[aria-current="page"] { color: var(--ink); box-shadow: inset 0 -2px 0 var(--sable); border-radius: 0; }
.nav-mobile { display: none; }

/* Buttons: min 44px tall */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; min-height: 44px; padding: .65rem 1.2rem; border-radius: 999px; font-weight: 700; font-size: 1rem; text-decoration: none; border: 1.5px solid transparent; transition: background .15s, color .15s, border-color .15s, transform .15s; white-space: nowrap; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--sable); color: #fff; }
.btn-primary:hover { background: var(--sable-hi); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: #c9ced5; }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }
.btn-sm { min-height: 40px; padding: .45rem 1rem; font-size: .93rem; }
.btn-lg { min-height: 52px; padding: .8rem 1.5rem; font-size: 1.05rem; }
.btn.is-placeholder { background: var(--paper-2); color: var(--ink-2); border: 1.5px dashed #b9bfc7; cursor: not-allowed; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.75rem 0 0; }

/* Badges */
.badge { display: inline-block; font: 650 .74rem/1 var(--mono); letter-spacing: .02em; padding: .38em .6em; border-radius: 999px; vertical-align: .15em; white-space: nowrap; }
.badge-coming { color: #6a3a10; background: #fff4e5; border: 1px dashed #d9a066; }
.badge-shipped { color: var(--ok); background: var(--ok-soft); border: 1px solid #b7dcc5; }

/* Eyebrow and ledes */
.eyebrow { font: 600 .8rem/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--sable); margin: 0 0 1rem; display: inline-flex; align-items: center; gap: .5rem; }
.eyebrow .dot { width: .5rem; height: .5rem; border-radius: 50%; background: var(--ember); box-shadow: 0 0 0 4px var(--sable-soft); }
.lede { font-size: clamp(1.1rem, 1rem + .5vw, 1.32rem); color: var(--ink-2); max-width: 44rem; line-height: 1.55; }
.section-lede { color: var(--ink-2); font-size: 1.08rem; max-width: 36rem; }

/* Home hero */
.home-hero { padding: clamp(3rem, 2rem + 5vw, 6.5rem) 0 var(--space-section); background: radial-gradient(60rem 30rem at 85% -10%, var(--sable-soft), transparent 60%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(2rem, 4vw, 4rem); align-items: center; }
.home-hero h1 { max-width: 14ch; }
.hero-note { margin-top: 1.1rem; color: var(--ink-3); font-size: .95rem; }
.terminal { margin: 0; background: var(--code-bg); border-radius: var(--radius); box-shadow: 0 30px 60px -25px rgba(21,23,26,.45), 0 0 0 1px rgba(21,23,26,.06); overflow: hidden; }
.terminal-bar { display: flex; align-items: center; gap: .4rem; padding: .7rem .9rem; border-bottom: 1px solid #262a30; }
.terminal-bar span { width: .65rem; height: .65rem; border-radius: 50%; background: #3a3f46; }
.terminal-bar figcaption { margin-left: .5rem; font: 500 .78rem var(--mono); color: #9aa1aa; }
.terminal pre, .code-card { margin: 0; padding: 1.1rem 1.2rem 1.3rem; overflow-x: auto; color: #e8eaed; font: 400 .88rem/1.75 var(--mono); }
.terminal code, .code-card code, .prose pre code { background: none; border: 0; padding: 0; font-size: inherit; color: inherit; }
.t-prompt { color: var(--ember); user-select: none; }
.t-out { color: #8b939d; }
.t-link { color: #9cc3ff; }
.code-card { background: var(--code-bg); border-radius: var(--radius); align-self: center; }

/* Sections */
.section { padding: var(--space-section) 0; }
.section-alt { background: var(--paper-2); }
.section-ink { background: var(--ink); color: #eef0f2; }
.section-ink .eyebrow { color: var(--ember); }
.section-ink h2 { color: #fff; }
.prose-invert p { color: #c9ced5; font-size: 1.12rem; line-height: 1.7; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.sell-list { list-style: none; counter-reset: sell; margin: 0; padding: 0; display: grid; gap: 1rem; }
.sell-list li { counter-increment: sell; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem 1.5rem 1.2rem 4rem; position: relative; }
.sell-list li::before { content: counter(sell); position: absolute; left: 1.4rem; top: 1.35rem; font: 700 .95rem var(--mono); color: var(--sable); width: 1.75rem; height: 1.75rem; border-radius: 50%; background: var(--sable-soft); display: grid; place-items: center; }
.sell-list h3 { margin-bottom: .3rem; }
.sell-list p { margin: 0; color: var(--ink-2); }
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.pillar { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; display: flex; flex-direction: column; }
.pillar p { color: var(--ink-2); }
.pillar p:last-child { margin: auto 0 0; padding-top: .5rem; display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; font-size: .95rem; }
.pillar-k { font: 600 .78rem var(--mono); letter-spacing: .05em; text-transform: uppercase; color: var(--ink-3) !important; }

/* Price bars */
.bars { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.4rem; }
.bar-label { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .2rem 1rem; margin-bottom: .45rem; }
.bar-label a { color: var(--ink); font-weight: 650; text-decoration: none; }
.bar-label a:hover { text-decoration: underline; }
.bar-math { font: .82rem var(--mono); color: var(--ink-3); }
.bar-track { display: flex; align-items: center; gap: .75rem; }
.bar-fill { display: block; height: 1.1rem; border-radius: 4px; background: #c5cad1; }
.bar strong { font: 700 1.15rem var(--mono); white-space: nowrap; }
.bar strong small { font-size: .75rem; color: var(--ink-3); font-weight: 500; }
.bar-ours .bar-fill { background: var(--sable); }
.bar-ours strong { color: var(--sable); }

/* Quotes slot and founding */
.quote-slot { border: 2px dashed #c3c8cf; border-radius: var(--radius); padding: 2rem; max-width: 44rem; color: var(--ink-2); background: var(--paper); }
.quote-slot p { margin: 0; }
.founding { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 1.5rem 3rem; background: var(--ink); color: #eef0f2; border-radius: calc(var(--radius) * 1.6); padding: clamp(1.75rem, 4vw, 3.5rem); }
.founding h2 { color: #fff; }
.founding .eyebrow { color: var(--ember); }
.founding .section-lede { color: #c9ced5; }
.founding a { color: #ffb98f; }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .7rem; align-content: start; }
.check-list li { padding-left: 1.9rem; position: relative; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .3rem; width: 1.1rem; height: 1.1rem; border-radius: 50%; background: var(--ember) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%2315171a' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/80% no-repeat; }
.founding-cta { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; border-top: 1px solid #2c3036; padding-top: 1.5rem; }
.founding-cta p { margin: 0; color: #c9ced5; max-width: 34rem; }
.founding .btn.is-placeholder { background: transparent; color: #c9ced5; border-color: #5b616a; }

/* Inner page hero and prose */
.page-hero { padding: clamp(2.5rem, 2rem + 3vw, 4.5rem) 0 clamp(1.5rem, 1rem + 2vw, 2.5rem); border-bottom: 1px solid var(--line); background: linear-gradient(180deg, var(--paper-2), var(--paper)); }
.page-hero h1 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.4rem); max-width: 22ch; }
.page-body { padding-top: 2.5rem; padding-bottom: var(--space-section); }
.prose { max-width: 46rem; }
.prose-wide { max-width: none; }
.prose h2 { margin-top: 2.6rem; font-size: clamp(1.45rem, 1.2rem + 1vw, 1.9rem); }
.prose h3 { margin-top: 1.8rem; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li { margin: .35rem 0; }
.prose li::marker { color: var(--ink-3); }
.prose pre { background: var(--code-bg); color: #e8eaed; border-radius: var(--radius-sm); padding: 1rem 1.1rem; overflow-x: auto; font: .88rem/1.7 var(--mono); }
.prose blockquote { margin: 1.5rem 0; padding: 1rem 1.2rem; border-left: 4px solid var(--ember); background: var(--sable-soft); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.prose blockquote p:last-child { margin: 0; }
.table-wrap { overflow-x: auto; margin: 1.25rem 0 1.75rem; border: 1px solid var(--line); border-radius: var(--radius-sm); }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: left; vertical-align: top; padding: .7rem .9rem; border-bottom: 1px solid var(--line); }
th { background: var(--paper-2); font-weight: 700; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td:first-child { font-weight: 600; }
.faq { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.section-faq .faq { border-top: 0; margin-top: 0; }
.faq-item { padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.faq-item h3 { margin: 0 0 .4rem; font-size: 1.1rem; }
.faq-item p { margin: 0; color: var(--ink-2); }
.edit-source { margin-top: 2.5rem; font-size: .92rem; color: var(--ink-3); }

/* Plans */
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; padding-top: 2.5rem; align-items: stretch; }
.plan { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; display: flex; flex-direction: column; background: var(--paper); }
.plan ul { padding-left: 1.1rem; color: var(--ink-2); margin: 0 0 1.5rem; }
.plan li { margin: .3rem 0; }
.plan .btn { margin-top: auto; align-self: flex-start; }
.plan-name { font-size: 1.15rem; display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; }
.plan-price { margin: 0 0 .3rem; }
.plan-price strong { font-size: 2.6rem; letter-spacing: -0.03em; }
.plan-price span { color: var(--ink-3); }
.plan-alt { color: var(--ink-3); margin: 0 0 1rem; }
.plan-flag { font: 600 .75rem var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--sable); margin: 0 0 .6rem; }
.plan-featured { border: 2px solid var(--sable); box-shadow: 0 20px 40px -24px rgba(168,72,28,.45); }

/* Docs */
.docs-layout { display: grid; grid-template-columns: 14rem minmax(0, 1fr); gap: 3rem; }
.docs-nav { position: sticky; top: 5.5rem; align-self: start; }
.docs-nav ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.docs-nav a { display: block; padding: .45rem .9rem; color: var(--ink-2); text-decoration: none; margin-left: -1px; border-left: 2px solid transparent; }
.docs-nav a:hover { color: var(--ink); }
.docs-nav a[aria-current="page"] { color: var(--ink); font-weight: 650; border-left-color: var(--sable); }
.docs-nav-title { font: 600 .75rem var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 3.5rem 0 2rem; background: var(--paper-2); font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 2rem; }
.footer-about p { color: var(--ink-2); max-width: 22rem; margin-top: .9rem; }
.footer-title { font: 600 .78rem var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); margin-bottom: .8rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li a { display: inline-block; padding: .3rem 0; color: var(--ink-2); text-decoration: none; }
.site-footer li a:hover { color: var(--ink); text-decoration: underline; }
.footer-legal { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); color: var(--ink-3); font-size: .88rem; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .split, .founding { grid-template-columns: minmax(0, 1fr); }
  .pillars, .plans { grid-template-columns: minmax(0, 1fr); }
  .docs-layout { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
  .docs-nav { position: static; }
  .docs-nav ul { display: flex; flex-wrap: wrap; border-left: 0; gap: .25rem; }
  .docs-nav a { border: 1px solid var(--line); border-radius: 999px; padding: .4rem .8rem; margin: 0; }
  .docs-nav a[aria-current="page"] { border-color: var(--sable); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-about { grid-column: 1 / -1; }
  .br-lg { display: none; }
}
@media (max-width: 820px) {
  .nav-desktop { display: none; }
  .header-cta { margin-left: auto; }
  .nav-mobile { display: block; position: static; }
  .nav-mobile summary { list-style: none; cursor: pointer; min-height: 44px; display: inline-flex; align-items: center; padding: 0 .8rem; border: 1.5px solid #c9ced5; border-radius: 999px; font-weight: 650; }
  .nav-mobile summary::-webkit-details-marker { display: none; }
  .nav-mobile[open] summary { border-color: var(--ink); }
  .nav-mobile nav { position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 16px 30px -20px rgba(0,0,0,.3); padding: .5rem clamp(1.1rem, 4vw, 2rem) 1rem; }
  .nav-mobile ul { flex-direction: column; }
  .nav-mobile a { display: block; padding: .8rem .5rem; font-size: 1.05rem; }
  .header-inner { gap: .6rem; }
}
@media (max-width: 420px) {
  .header-cta { padding: .45rem .8rem; font-size: .88rem; }
  .brand span { font-size: 1rem; }
  .cta-row .btn { flex: 1 1 100%; }
  .terminal pre, .code-card { font-size: .76rem; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}