/* Cxnverge marketing site. Corporate light theme matching the dashboard:
   soft grey canvas, white surfaces, charcoal actions, dark navy footer.
   Colour is reserved for semantic status and the primary CTA. */

:root {
  --bg: #f2f3f5;
  --card: #ffffff;
  --ink: #1d222a;
  --ink-soft: #3d4653;
  --muted: #6a7482;
  --faint: #9aa3af;
  --line: #e4e7eb;
  --line-strong: #d6dbe1;
  --hover: #f5f6f8;
  --brand: #2c333d;
  --brand-ink: #ffffff;
  --deep: #10151d;
  --deep-alt: #171e28;
  --on-dark: #eef1f5;
  --on-dark-muted: #98a2b0;
  --ok: #22754c;
  --warn: #8a5a1f;
  --warn-bg: #fdf4e5;
  --danger: #b23c3c;
  --max-w: 1120px;
  --max-w-narrow: 760px;
  --r-md: 8px;
  --r-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(21, 27, 36, 0.06);
  --shadow-md: 0 8px 24px rgba(21, 27, 36, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--ink-soft); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 2px; }
a:hover { color: var(--ink); text-decoration-color: var(--faint); }
h1, h2, h3, h4 { letter-spacing: -0.01em; line-height: 1.2; }
code {
  background: var(--hover); border: 1px solid var(--line); border-radius: 4px;
  padding: 0.05rem 0.3rem; font-size: 0.9em;
}

/* ---- Brand ---- */
.brand {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 700; font-size: 1.15rem; color: var(--ink);
  text-decoration: none; letter-spacing: -0.01em;
}
.brand__mark {
  width: 38px; height: 26px; flex: 0 0 auto; background-color: var(--ink);
  -webkit-mask: url('/static/img/cxn-logo.svg') no-repeat center / contain;
          mask: url('/static/img/cxn-logo.svg') no-repeat center / contain;
}
/* Optical alignment: the wordmark sits a hair below true vertical center
   so it reads level against the mark's baseline. */
.brand__name { position: relative; top: 1.5px; }
.brand--footer { color: var(--on-dark); }
.brand--footer .brand__mark { background-color: var(--on-dark); }

/* Consciousnx company mark for attribution lines. */
.cinf-mark {
  display: inline-block; width: 32px; height: 18px; vertical-align: -4px;
  margin: 0 0.2rem; background-color: var(--on-dark-muted);
  -webkit-mask: url('/static/img/consciousnx-logo.svg') no-repeat center / contain;
          mask: url('/static/img/consciousnx-logo.svg') no-repeat center / contain;
}
.cinf-mark--ink { background-color: var(--muted); }

/* Cx^n typographic mark. */
.cxn { white-space: nowrap; font-weight: 600; }
.cxn sup { font-size: 0.68em; }

/* ---- Header ---- */
.site-header {
  background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.site-header__inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0.7rem 1.2rem;
  display: flex; align-items: center; gap: 1.2rem;
}
.site-nav { display: flex; gap: 0.2rem; margin-left: 0.6rem; }
.site-nav a {
  color: var(--muted); text-decoration: none; font-size: 0.93rem;
  padding: 0.35rem 0.6rem; border-radius: 6px;
}
.site-nav a:hover { background: var(--hover); color: var(--ink); }
.site-nav a.is-active { background: #e9ebee; color: var(--ink); font-weight: 600; }
.site-header__cta { margin-left: auto; display: flex; gap: 0.6rem; align-items: center; }

.nav-toggle {
  display: none; border: 1px solid var(--line); background: var(--card);
  border-radius: 8px; width: 38px; height: 38px; align-items: center;
  justify-content: center; color: var(--ink); cursor: pointer; margin-left: auto;
}
.nav-toggle:hover { background: var(--hover); }
.mobile-nav { display: none; border-top: 1px solid var(--line); background: var(--card); }
.mobile-nav a {
  display: block; padding: 0.75rem 1.2rem; color: var(--ink-soft);
  text-decoration: none; border-bottom: 1px solid var(--line);
}
.mobile-nav a:hover { background: var(--hover); }
.mobile-nav__cta { font-weight: 600; color: var(--ink); }

@media (max-width: 860px) {
  .site-nav, .site-header__cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-nav:not([hidden]) { display: block; }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.4rem; border-radius: var(--r-md); border: 1px solid transparent;
  padding: 0.5rem 1rem; font-size: 0.95rem; font-weight: 600;
  text-decoration: none; cursor: pointer; transition: background 120ms ease, color 120ms ease;
}
.btn--primary { background: var(--brand); color: var(--brand-ink); }
.btn--primary:hover { background: #3a424e; color: var(--brand-ink); }
.btn--outline { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--outline:hover { background: var(--hover); }
.btn--outline-light { background: transparent; color: var(--on-dark); border-color: #3a4250; }
.btn--outline-light:hover { background: rgba(255, 255, 255, 0.06); color: var(--on-dark); }
.btn--ghost { background: transparent; color: var(--ink-soft); }
.btn--ghost:hover { background: var(--hover); color: var(--ink); }
.btn--lg { padding: 0.7rem 1.4rem; font-size: 1rem; }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; }

/* ---- Hero ---- */
.hero { background: var(--card); border-bottom: 1px solid var(--line); }
.hero__inner {
  max-width: var(--max-w); margin: 0 auto; padding: 4.5rem 1.2rem 4rem;
  text-align: center;
}
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem;
  font-weight: 700; color: var(--muted); margin: 0 0 0.8rem;
}
.hero h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); margin: 0 0 1rem; }
.lead {
  color: var(--ink-soft); font-size: 1.08rem; max-width: 640px;
  margin: 0 auto 1.6rem;
}
.hero__cta { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; }
.hero__badges {
  list-style: none; display: flex; gap: 1.4rem; justify-content: center;
  flex-wrap: wrap; padding: 0; margin: 1.8rem 0 0; color: var(--muted);
  font-size: 0.9rem;
}
.hero__badges li { padding-left: 1.3rem; position: relative; }
.hero__badges li::before {
  content: "\2713"; position: absolute; left: 0; color: var(--ok); font-weight: 700;
}

/* ---- Sections ---- */
.section { padding: 3.5rem 0; }
.section--alt { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section__inner { max-width: var(--max-w); margin: 0 auto; padding: 0 1.2rem; }
.section__inner--narrow { max-width: var(--max-w-narrow); }
.section h2 { font-size: 1.7rem; margin: 0 0 0.6rem; text-align: center; }
.section__lede { text-align: center; color: var(--ink-soft); max-width: 640px; margin: 0 auto 2rem; }
.section__more { text-align: center; margin: 1.8rem 0 0; }

.page-head { background: var(--card); border-bottom: 1px solid var(--line); }
.page-head .section__inner { padding-top: 3.2rem; padding-bottom: 2.6rem; text-align: center; }
.page-head h1 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); margin: 0 0 0.7rem; }
.page-head .lead { margin-bottom: 0; }
.page-head .hero__cta { margin-top: 1.5rem; }

/* ---- Cards ---- */
.card-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem; margin-top: 2rem;
}
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 1.4rem; box-shadow: var(--shadow-sm);
}
.section--alt .card { border-color: var(--line-strong); }
.card h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* ---- Plan teaser (home) ---- */
.plan-teaser {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem; margin-top: 2rem;
}
.teaser {
  background: var(--bg); border: 1px solid var(--line-strong);
  border-radius: var(--r-lg); padding: 1.5rem; text-align: center;
}
.teaser--popular { background: var(--card); border-color: var(--brand); box-shadow: var(--shadow-md); }
.teaser h3 { margin: 0 0 0.3rem; }
.teaser__price { margin: 0 0 0.7rem; color: var(--muted); }
.teaser__price span { font-size: 1.9rem; font-weight: 700; color: var(--ink); }
.teaser p { color: var(--ink-soft); font-size: 0.93rem; }
.tag {
  display: inline-block; background: var(--brand); color: var(--brand-ink);
  font-size: 0.68rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; border-radius: 999px; padding: 0.15rem 0.55rem;
  vertical-align: 2px; margin-left: 0.3rem;
}

/* ---- Pricing page ---- */
.plan-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem; align-items: start;
}
.plan {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 1.7rem; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
}
.plan--popular { border-color: var(--brand); box-shadow: var(--shadow-md); }
.plan__badge {
  align-self: flex-start; background: var(--brand); color: var(--brand-ink);
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.06em; border-radius: 999px; padding: 0.2rem 0.7rem;
  margin: 0 0 0.8rem;
}
.plan__badge--muted { background: var(--hover); color: var(--muted); border: 1px solid var(--line-strong); }
.plan__badge--dark { background: var(--deep); }
.plan h2 { text-align: left; margin: 0 0 0.2rem; font-size: 1.35rem; }
.plan__price { margin: 0 0 1rem; color: var(--muted); }
.plan__price span { font-size: 2.1rem; font-weight: 700; color: var(--ink); }
.plan__features { list-style: none; padding: 0; margin: 0 0 1.2rem; }
.plan__features li {
  padding: 0.4rem 0 0.4rem 1.6rem; position: relative; color: var(--ink-soft);
  font-size: 0.94rem; border-bottom: 1px dashed var(--line);
}
.plan__features li:last-child { border-bottom: 0; }
.plan__features li::before {
  content: "\2713"; position: absolute; left: 0; color: var(--ok); font-weight: 700;
}
.plan__note { color: var(--muted); font-size: 0.88rem; margin: 0 0 1.2rem; }
.plan .btn { margin-top: auto; }
.pricing-notes {
  margin-top: 2.5rem; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 1.4rem 1.6rem;
}
.pricing-notes h3 { margin: 0 0 0.5rem; }
.pricing-notes p { margin: 0; color: var(--ink-soft); }

/* ---- Feature rows ---- */
.feature-rows { display: grid; gap: 1rem; max-width: var(--max-w-narrow); margin: 0 auto; }
.feature-row {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 1.4rem 1.6rem; box-shadow: var(--shadow-sm);
}
.feature-row h2 { text-align: left; font-size: 1.15rem; margin: 0 0 0.5rem; }
.feature-row p { margin: 0; color: var(--ink-soft); font-size: 0.96rem; }
.cta-inline { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; margin-top: 2.2rem; }

/* ---- CTA panel ---- */
.cta-panel { background: var(--deep); color: var(--on-dark); }
.cta-panel__inner {
  max-width: var(--max-w); margin: 0 auto; padding: 3.5rem 1.2rem;
  text-align: center;
}
.cta-panel h2 { margin: 0 0 0.6rem; font-size: 1.7rem; }
.cta-panel p { color: var(--on-dark-muted); margin: 0 0 1.5rem; }

/* ---- FAQ ---- */
.faq-list { display: grid; gap: 0.8rem; }
.faq {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r-md); padding: 0.4rem 1.2rem;
}
.faq summary {
  cursor: pointer; font-weight: 600; padding: 0.7rem 0; list-style: none;
  position: relative; padding-right: 1.6rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0.2rem; top: 50%;
  transform: translateY(-50%); color: var(--muted); font-weight: 700;
}
.faq[open] summary::after { content: "\2212"; }
.faq p { color: var(--ink-soft); margin: 0 0 0.9rem; }

/* ---- Prose (about, legal) ---- */
.prose h2 { text-align: left; font-size: 1.25rem; margin: 1.8rem 0 0.5rem; }
.prose p, .prose li { color: var(--ink-soft); }
.prose ul { padding-left: 1.2rem; }
.fineprint { color: var(--muted); font-size: 0.86rem; margin-top: 2rem; }

/* ---- Contact form ---- */
.contact-form { display: grid; gap: 0.9rem; padding: 1.6rem; }
.contact-form label {
  display: grid; gap: 0.3rem; font-weight: 600; font-size: 0.92rem;
}
.contact-form .optional { color: var(--faint); font-weight: 400; }
.contact-form input, .contact-form select, .contact-form textarea {
  font: inherit; color: var(--ink); background: var(--card);
  border: 1px solid var(--line-strong); border-radius: var(--r-md);
  padding: 0.55rem 0.7rem; width: 100%;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: 2px solid var(--brand); outline-offset: 0;
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }
@media (max-width: 620px) { .field-row { grid-template-columns: 1fr; } }
.contact-honeypot {
  position: absolute; left: -9999px; top: -9999px; height: 0; overflow: hidden;
}
.msg { margin: 0; font-size: 0.93rem; }
.msg--ok { color: var(--ok); }
.msg--err { color: var(--danger); }
.banner {
  border-radius: var(--r-md); padding: 0.8rem 1rem; margin-bottom: 1.2rem;
  font-size: 0.94rem;
}
.banner--warn { background: var(--warn-bg); color: var(--warn); border: 1px solid #ecd9b8; }

/* ---- Footer ---- */
.site-footer { background: var(--deep); color: var(--on-dark); margin-top: 0; }
.site-footer a { color: var(--on-dark-muted); text-decoration: none; }
.site-footer a:hover { color: var(--on-dark); text-decoration: underline; }
.site-footer__inner {
  max-width: var(--max-w); margin: 0 auto; padding: 3rem 1.2rem 2rem;
  display: grid; grid-template-columns: 1.3fr 2fr; gap: 2.5rem;
}
.site-footer__line { color: var(--on-dark-muted); font-size: 0.92rem; margin: 0.9rem 0 0.6rem; }
.site-footer__by { color: var(--on-dark-muted); font-size: 0.9rem; margin: 0; }
.site-footer__columns {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
.site-footer__heading {
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--on-dark); margin: 0 0 0.7rem;
}
.site-footer__list { list-style: none; padding: 0; margin: 0; }
.site-footer__list li { margin: 0 0 0.45rem; font-size: 0.92rem; }
.site-footer__bar { border-top: 1px solid var(--deep-alt); background: var(--deep); }
.site-footer__legal {
  max-width: var(--max-w); margin: 0 auto; padding: 1rem 1.2rem;
  text-align: center; color: var(--on-dark-muted); font-size: 0.8rem;
}
@media (max-width: 860px) {
  .site-footer__inner { grid-template-columns: 1fr; gap: 1.8rem; }
}
@media (max-width: 560px) {
  .site-footer__columns { grid-template-columns: 1fr 1fr; }
}

/* ---- Reveal animation ---- */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity 400ms ease, transform 400ms ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}