/* ============================================================
   Litespeed Commerce — product site (litespeedcommerce.com/)
   Dark, dense, technical. Deliberately unlike both the warm demo
   storefront and the light admin, so a prospect never confuses
   "the pitch" with "the product" during a screen share.
   No dark-mode switch: this page looks the same everywhere.
   ============================================================ */

:root {
  --mk-bg: #0d1017;
  --mk-bg-2: #12161f;
  --mk-bg-3: #171c27;
  --mk-panel: #1a202c;
  --mk-line: #242b39;
  --mk-line-2: #303a4b;

  --mk-ink: #f2f5f9;
  --mk-ink-2: #b3bccb;
  --mk-ink-3: #7d8798;

  --mk-flame: #ff6b2c;
  --mk-flame-2: #ff8a52;
  --mk-flame-dim: rgba(255, 107, 44, 0.14);

  --mk-live: #3ddc84;
  --mk-live-dim: rgba(61, 220, 132, 0.14);
  --mk-queue: #ffc250;
  --mk-queue-dim: rgba(255, 194, 80, 0.14);
  --mk-err: #ff6b6b;
  --mk-err-dim: rgba(255, 107, 107, 0.14);

  --mk-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mk-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body.mk {
  margin: 0;
  background: var(--mk-bg);
  color: var(--mk-ink);
  font-family: var(--mk-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
body.mk main { flex: 1; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
code, pre { font-family: var(--mk-mono); }

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 100;
  background: var(--mk-flame);
  color: #12161f;
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  font-weight: 600;
}

.mk-wrap {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}
@media (min-width: 768px) { .mk-wrap { padding-inline: 2rem; } }
.mk-narrow { max-width: 800px; }

.mk-eyebrow {
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mk-flame);
  font-weight: 600;
  margin: 0 0 0.85rem;
}
.mk-muted { color: var(--mk-ink-3); }

/* ---------- Header ---------- */

.mk-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 16, 23, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--mk-line);
}
.mk-header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 64px;
}
.mk-brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  font-size: 1rem;
  white-space: nowrap;
}
.mk-mark {
  width: 20px;
  height: 20px;
  border-radius: 5px;
  background: linear-gradient(145deg, var(--mk-flame-2), var(--mk-flame));
  box-shadow: 0 0 0 1px rgba(255, 138, 82, 0.35), 0 4px 14px rgba(255, 107, 44, 0.35);
  flex: none;
}
.mk-nav {
  display: none;
  gap: 1.5rem;
  margin-inline: auto;
  font-size: 0.875rem;
  color: var(--mk-ink-2);
}
.mk-nav a:hover { color: var(--mk-ink); }
@media (min-width: 940px) { .mk-nav { display: flex; } }

.mk-header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}
@media (min-width: 940px) { .mk-header-actions { margin-left: 0; } }
.mk-link-quiet {
  display: none;
  font-size: 0.875rem;
  color: var(--mk-ink-2);
}
.mk-link-quiet:hover { color: var(--mk-ink); }
@media (min-width: 620px) { .mk-link-quiet { display: inline; } }

/* At phone width the header is just wordmark + one button. Keep both
   on one line rather than letting the button wrap and blow out 64px. */
@media (max-width: 479px) {
  .mk-header-inner { gap: 0.75rem; }
  .mk-brand { font-size: 0.875rem; }
  .mk-brand .mk-mark { width: 17px; height: 17px; }
  .mk-btn-sm { padding: 0.45rem 0.7rem; font-size: 0.75rem; }
}

/* ---------- Buttons ---------- */

.mk-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--mk-flame);
  color: #14171e;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.7rem 1.15rem;
  border-radius: 8px;
  border: 1px solid var(--mk-flame);
  white-space: nowrap;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
  box-shadow: 0 6px 20px rgba(255, 107, 44, 0.25);
}
.mk-btn:hover {
  background: var(--mk-flame-2);
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(255, 107, 44, 0.32);
}
.mk-btn-sm { padding: 0.5rem 0.85rem; font-size: 0.8125rem; box-shadow: none; }
.mk-btn-lg { padding: 0.85rem 1.5rem; font-size: 1rem; }
.mk-arrow { transition: transform 0.15s ease; }
.mk-btn:hover .mk-arrow { transform: translateX(3px); }

.mk-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--mk-line-2);
  color: var(--mk-ink-2);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.7rem 1.15rem;
  border-radius: 8px;
  transition: border-color 0.12s ease, color 0.12s ease;
}
.mk-btn-ghost:hover { border-color: var(--mk-ink-3); color: var(--mk-ink); }

.mk-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1.75rem;
}
.mk-cta-center { justify-content: center; margin-top: 2.5rem; }

/* ---------- Hero ---------- */

.mk-hero {
  position: relative;
  padding-block: 4rem 4.5rem;
  overflow: hidden;
  border-bottom: 1px solid var(--mk-line);
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(255, 107, 44, 0.13), transparent 65%),
    radial-gradient(700px 380px at 88% 8%, rgba(61, 220, 132, 0.07), transparent 62%);
}
@media (min-width: 900px) { .mk-hero { padding-block: 6rem 6.5rem; } }

.mk-hero-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 980px) {
  .mk-hero-grid { grid-template-columns: 1.05fr 0.95fr; gap: 4rem; }
}

.mk-hero h1 {
  font-size: clamp(2.25rem, 6vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin: 0 0 1.25rem;
}
.mk-lede {
  font-size: 1.0625rem;
  color: var(--mk-ink-2);
  margin: 0;
  max-width: 34em;
}
@media (min-width: 768px) { .mk-lede { font-size: 1.125rem; } }
.mk-lede em { color: var(--mk-ink); font-style: italic; }

.mk-fineprint {
  font-size: 0.8125rem;
  color: var(--mk-ink-3);
  margin: 1rem 0 0;
  max-width: 38em;
}
.mk-fineprint a { color: var(--mk-flame-2); text-decoration: underline; text-underline-offset: 2px; }
.mk-fineprint-dark { text-align: center; margin-top: 1.5rem; }

/* ---------- Hero mock ---------- */

.mk-hero-demo { display: grid; gap: 0; }

.mk-panel {
  background: var(--mk-panel);
  border: 1px solid var(--mk-line-2);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}
.mk-panel-a { transform: rotate(-0.4deg); }
.mk-panel-b { transform: rotate(0.35deg); }

.mk-panel-bar {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.65rem 0.9rem;
  background: var(--mk-bg-3);
  border-bottom: 1px solid var(--mk-line);
}
.mk-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--mk-line-2);
}
.mk-panel-title {
  margin-left: 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--mk-ink-3);
  letter-spacing: 0.02em;
}

.mk-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.9rem;
  border-bottom: 1px solid var(--mk-line);
}
.mk-row:last-child { border-bottom: 0; }
.mk-row-quiet { opacity: 0.72; }
.mk-thumb {
  width: 36px; height: 36px; border-radius: 7px; flex: none;
  background: linear-gradient(150deg, #3a2a20, #22303a);
  border: 1px solid var(--mk-line-2);
}
.mk-row-main { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.mk-row-main b { font-size: 0.8125rem; font-weight: 600; }
.mk-row-main i {
  font-style: normal;
  font-size: 0.6875rem;
  color: var(--mk-ink-3);
  font-family: var(--mk-mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mk-price { text-align: right; font-size: 0.8125rem; flex: none; }
.mk-price s { color: var(--mk-ink-3); margin-right: 0.4rem; }
.mk-price-new { color: var(--mk-flame-2); }

.mk-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
}
.mk-badge-queued { background: var(--mk-queue-dim); color: var(--mk-queue); }
.mk-badge-live   { background: var(--mk-live-dim);  color: var(--mk-live); }
.mk-badge-error  { background: var(--mk-err-dim);   color: var(--mk-err); flex: none; }

/* Queued -> Live, on a loop. The pitch, at 1/10th scale. */
.mk-badge-swap { position: relative; flex: none; display: inline-block; }
.mk-badge-swap .mk-badge-live {
  position: absolute;
  inset: 0;
  text-align: center;
}
.mk-badge-swap .mk-badge-queued { animation: mk-fade-out 4s ease-in-out infinite; }
.mk-badge-swap .mk-badge-live   { animation: mk-fade-in  4s ease-in-out infinite; }

@keyframes mk-fade-out {
  0%, 38% { opacity: 1; }
  46%, 92% { opacity: 0; }
  100% { opacity: 1; }
}
@keyframes mk-fade-in {
  0%, 38% { opacity: 0; }
  46%, 92% { opacity: 1; }
  100% { opacity: 0; }
}

.mk-flow {
  position: relative;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mk-flow-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, var(--mk-line-2), var(--mk-flame));
}
.mk-flow-label {
  position: relative;
  background: var(--mk-bg);
  border: 1px solid var(--mk-line-2);
  color: var(--mk-ink-3);
  font-family: var(--mk-mono);
  font-size: 0.6875rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}

@media (prefers-reduced-motion: reduce) {
  .mk-badge-swap .mk-badge-queued,
  .mk-badge-swap .mk-badge-live { animation: none; }
  .mk-badge-swap .mk-badge-queued { opacity: 0; }
  .mk-badge-swap .mk-badge-live { opacity: 1; }
  html { scroll-behavior: auto; }
}

/* ---------- Sections ---------- */

.mk-section { padding-block: 4rem; }
@media (min-width: 900px) { .mk-section { padding-block: 5.5rem; } }
.mk-section-light { background: var(--mk-bg-2); border-block: 1px solid var(--mk-line); }
.mk-section-dark {
  background:
    radial-gradient(700px 340px at 50% 0%, rgba(255, 107, 44, 0.1), transparent 70%),
    var(--mk-bg);
  border-block: 1px solid var(--mk-line);
}

.mk-section-head { max-width: 46rem; margin-bottom: 2.5rem; }
.mk-section h2 {
  font-size: clamp(1.65rem, 3.6vw, 2.25rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin: 0;
}
.mk-section-sub {
  color: var(--mk-ink-2);
  margin: 1rem 0 0;
  font-size: 1.0625rem;
}
.mk-section-sub em { color: var(--mk-ink); font-style: italic; }
.mk-body { color: var(--mk-ink-2); max-width: 44em; }

.mk-prose-cols {
  display: grid;
  gap: 1.25rem;
  color: var(--mk-ink-2);
  margin-bottom: 2.75rem;
}
@media (min-width: 820px) { .mk-prose-cols { grid-template-columns: 1fr 1fr; gap: 2.5rem; } }
.mk-prose-cols p { margin: 0; }

/* ---------- Compare ---------- */

.mk-compare, .mk-two-up {
  display: grid;
  gap: 1.25rem;
}
@media (min-width: 820px) {
  .mk-compare, .mk-two-up { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
}
.mk-compare-col {
  background: var(--mk-bg-3);
  border: 1px solid var(--mk-line);
  border-radius: 12px;
  padding: 1.5rem;
}
.mk-compare-col-good { border-color: rgba(255, 107, 44, 0.34); background: var(--mk-panel); }
.mk-compare-head {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--mk-ink-3);
  margin: 0 0 1rem;
}

.mk-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; }
.mk-list li {
  position: relative;
  padding-left: 1.75rem;
  color: var(--mk-ink-2);
  font-size: 0.9375rem;
}
.mk-list li b { color: var(--mk-ink); font-weight: 600; }
.mk-list li code {
  font-size: 0.85em;
  background: var(--mk-bg-3);
  border: 1px solid var(--mk-line);
  padding: 0.08em 0.35em;
  border-radius: 4px;
  color: var(--mk-ink-2);
}
.mk-list-x li::before,
.mk-list-check li::before {
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  font-size: 0.9rem;
  line-height: 1.7;
}
.mk-list-x li::before { content: "\00d7"; color: var(--mk-ink-3); font-size: 1.05rem; }
.mk-list-check li::before { content: "\2713"; color: var(--mk-live); }

.mk-two-up > div > .mk-list { margin-top: 0.25rem; }
.mk-two-up { margin-block: 2rem 2.25rem; }

/* ---------- Feature cards ---------- */

.mk-feature-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 700px) { .mk-feature-grid { grid-template-columns: 1fr 1fr; } }

.mk-card {
  background: var(--mk-bg-2);
  border: 1px solid var(--mk-line);
  border-radius: 12px;
  padding: 1.6rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.mk-card:hover { border-color: var(--mk-line-2); transform: translateY(-2px); }
.mk-card-n {
  font-family: var(--mk-mono);
  font-size: 0.75rem;
  color: var(--mk-flame);
  margin: 0 0 0.85rem;
  letter-spacing: 0.05em;
}
.mk-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.5rem;
}
.mk-card p { margin: 0; color: var(--mk-ink-2); font-size: 0.9375rem; }

.mk-note {
  margin: 2rem 0 0;
  padding: 1.15rem 1.35rem;
  border-left: 3px solid var(--mk-flame);
  background: var(--mk-flame-dim);
  border-radius: 0 10px 10px 0;
  color: var(--mk-ink-2);
  font-size: 0.9375rem;
  max-width: 60em;
}
.mk-note b { color: var(--mk-ink); }
.mk-note-dark { background: rgba(255, 255, 255, 0.04); border-left-color: var(--mk-line-2); }

/* ---------- SEO block ---------- */

.mk-seo-grid { display: grid; gap: 2.5rem; }
@media (min-width: 940px) { .mk-seo-grid { grid-template-columns: 1.05fr 0.95fr; gap: 3rem; } }
.mk-seo-visual { display: grid; gap: 1.25rem; align-content: start; }

.mk-serp {
  background: var(--mk-panel);
  border: 1px solid var(--mk-line-2);
  border-radius: 12px;
  padding: 1.25rem;
}
.mk-serp-label {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mk-ink-3);
  margin: 0 0 0.85rem;
  font-weight: 600;
}
.mk-serp-card {
  background: #fff;
  border-radius: 8px;
  padding: 0.9rem 1rem;
  color: #202124;
}
.mk-serp-url { font-size: 0.75rem; color: #4d5156; margin: 0 0 0.2rem; }
.mk-serp-title {
  font-size: 1.0625rem;
  color: #1a0dab;
  margin: 0 0 0.25rem;
  line-height: 1.3;
}
.mk-serp-desc { font-size: 0.8125rem; color: #4d5156; margin: 0; line-height: 1.45; }
.mk-serp-rich {
  margin: 0.5rem 0 0;
  font-size: 0.8125rem;
  display: flex;
  gap: 0.75rem;
  align-items: center;
}
.mk-serp-price { color: #202124; font-weight: 500; }
.mk-serp-stock { color: #0b7a3e; }
.mk-counter {
  display: flex;
  gap: 1.25rem;
  margin: 0.85rem 0 0;
  font-family: var(--mk-mono);
  font-size: 0.6875rem;
  color: var(--mk-ink-3);
}

.mk-code {
  margin: 0;
  background: var(--mk-bg);
  border: 1px solid var(--mk-line-2);
  border-radius: 12px;
  padding: 1.15rem 1.25rem;
  overflow-x: auto;
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--mk-live);
}
.mk-code code { color: inherit; }

/* ---------- Steps ---------- */

.mk-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  counter-reset: step;
  max-width: 46rem;
}
.mk-steps li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--mk-bg-2);
  border: 1px solid var(--mk-line);
  border-radius: 10px;
  padding: 0.95rem 1.15rem;
}
.mk-steps li > span {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--mk-flame-dim);
  border: 1px solid rgba(255, 107, 44, 0.4);
  color: var(--mk-flame-2);
  font-family: var(--mk-mono);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mk-steps li > p { margin: 0; color: var(--mk-ink-2); font-size: 0.9375rem; }
.mk-steps li b { color: var(--mk-ink); font-weight: 600; }

/* ---------- FAQ ---------- */

.mk-faq { display: grid; gap: 0.65rem; }
.mk-faq details {
  background: var(--mk-bg-3);
  border: 1px solid var(--mk-line);
  border-radius: 10px;
  padding: 0 1.25rem;
}
.mk-faq details[open] { border-color: var(--mk-line-2); }
.mk-faq summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 1rem;
  padding: 1.05rem 2rem 1.05rem 0;
  position: relative;
}
.mk-faq summary::-webkit-details-marker { display: none; }
.mk-faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--mk-flame);
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1;
}
.mk-faq details[open] summary::after { content: "\2212"; }
.mk-faq details p {
  margin: 0;
  padding: 0 0 1.15rem;
  color: var(--mk-ink-2);
  font-size: 0.9375rem;
  max-width: 52em;
}

/* ---------- Book ---------- */

.mk-book { text-align: center; }
.mk-book .mk-section-sub { margin-inline: auto; max-width: 40em; }
.mk-book h2 { margin-top: 0; }

/* ---------- Footer ---------- */

.mk-footer {
  background: var(--mk-bg-2);
  border-top: 1px solid var(--mk-line);
  padding-block: 3rem 2rem;
  font-size: 0.875rem;
}
.mk-footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .mk-footer-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 980px) { .mk-footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem; } }

.mk-footer-brand { font-weight: 700; margin: 0 0 0.6rem; }
.mk-footer p { margin: 0; }
.mk-footer .mk-muted { font-size: 0.8125rem; max-width: 30em; }
.mk-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.mk-footer ul a { color: var(--mk-ink-2); }
.mk-footer ul a:hover { color: var(--mk-ink); }

.mk-footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--mk-line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--mk-ink-3);
}

/* ---------- Focus ---------- */

a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--mk-flame-2);
  outline-offset: 3px;
  border-radius: 4px;
}

.mk-header.is-scrolled { box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35); }