/* =====================================================================
   Marketing site — header, hero, sections, pricing, FAQ, footer
   ===================================================================== */

/* --- Header --------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-base) var(--ease);
}
.site-header.is-stuck { border-bottom-color: var(--border); }

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--s-6);
  min-height: 72px;
}
.site-header__brand { text-decoration: none; flex: none; }
.site-header__brand:hover { text-decoration: none; }

.site-nav { display: flex; gap: var(--s-2); margin-inline: auto; }
.site-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding-inline: var(--s-3);
  border-radius: var(--r-sm);
  font-size: var(--small);
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.site-nav__link:hover { color: var(--text); background: rgba(23,22,15,0.04); text-decoration: none; }
.site-nav__link.is-current { color: var(--text); font-weight: 600; }

.site-header__actions { display: flex; align-items: center; gap: var(--s-2); flex: none; }

@media (max-width: 860px) {
  .site-nav { display: none; }
  .site-header__inner { justify-content: space-between; }
}
@media (max-width: 460px) {
  .site-header__login { display: none; }
  .site-header .logo__word { font-size: 1.125rem; }
  .site-header .logo__mark { width: 32px; height: 32px; border-radius: 10px; }
}

/* --- Hero ----------------------------------------------------------- */
.hero { padding-block: clamp(2.5rem, 1.5rem + 4vw, 5rem) clamp(3rem, 2rem + 4vw, 5.5rem); }

.hero__inner {
  display: grid;
  grid-template-columns: 1fr minmax(360px, 30rem);
  gap: clamp(2rem, 1rem + 4vw, 5rem);
  align-items: center;
}

.hero__copy { max-width: 34rem; }
.hero__lede { margin-top: var(--s-5); max-width: 30rem; }

.hero__proof {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2) var(--s-5);
  margin-top: var(--s-6);
  list-style: none;
}
.hero__proof li { display: flex; align-items: center; gap: var(--s-2); }
.hero__proof li::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--success);
  flex: none;
}

@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__copy { max-width: none; text-align: center; margin-inline: auto; }
  .hero__lede { margin-inline: auto; }
  .hero__proof { justify-content: center; }
}

/* --- Sections ------------------------------------------------------- */
.band { background: var(--surface-2); }

.section__title { margin-top: var(--s-3); max-width: 38rem; margin-inline: auto; }
.section__lede  { margin-top: var(--s-4); max-width: 36rem; margin-inline: auto; }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: var(--s-6);
  margin-top: var(--s-12);
}

.feature { background: var(--surface); border-radius: var(--r-xl); padding: var(--s-8); }
.feature__icon {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: 14px;
  background: var(--surface-3);
  color: var(--primary);
  margin-bottom: var(--s-5);
}
.feature h3 { margin-bottom: var(--s-3); }

/* --- Split / steps -------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 1rem + 4vw, 5rem);
  align-items: start;
}
.split__copy .h2 { margin-block: var(--s-3) var(--s-4); }

.steps { list-style: none; display: grid; gap: var(--s-6); }
.step { display: flex; gap: var(--s-5); }
.step__num {
  display: grid;
  place-items: center;
  flex: none;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--primary-ink);
  font-size: var(--small);
  font-weight: 600;
}
.step h3 { margin-bottom: var(--s-2); }

@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

/* --- Pricing -------------------------------------------------------- */
.plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17.5rem), 1fr));
  gap: var(--s-5);
  margin-top: var(--s-12);
  align-items: start;
}

.plan {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--s-8);
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
.plan--featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}
.plan__flag {
  position: absolute;
  top: 0; left: 50%;
  transform: translate(-50%, -50%);
  padding: 4px var(--s-4);
  border-radius: var(--r-pill);
  background: var(--primary);
  color: var(--primary-ink);
  font-size: var(--tiny);
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.plan__name { font-size: var(--h3); font-weight: 600; letter-spacing: var(--ls-h3); }
.plan__tagline { margin-top: calc(var(--s-4) * -0.5); }

.plan__price { display: flex; align-items: baseline; gap: 2px; }
.plan__currency { font-size: var(--body-lg); font-weight: 600; }
.plan__amount { font-family: var(--font-serif); font-size: 2.75rem; line-height: 1; letter-spacing: -0.02em; }
.plan__period { font-size: var(--small); color: var(--text-muted); margin-left: var(--s-1); }

.plan__headline { font-size: var(--small); color: var(--text-muted); }
.plan__headline strong { color: var(--text); }

.plan__features { list-style: none; display: grid; gap: var(--s-3); font-size: var(--small); flex: 1; }
.plan__features li { display: flex; gap: var(--s-3); align-items: flex-start; }
.plan__features svg { flex: none; margin-top: 3px; color: var(--success); }

/* --- FAQ ------------------------------------------------------------ */
.faq { margin-top: var(--s-10); display: grid; gap: var(--s-2); }
.faq__item {
  background: var(--surface);
  border-radius: var(--r-lg);
  padding: var(--s-5) var(--s-6);
}
.faq__item summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-4);
  min-height: 28px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "";
  flex: none;
  width: 10px; height: 10px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  transition: transform var(--t-base) var(--ease);
}
.faq__item[open] summary::after { transform: rotate(-135deg); }
.faq__item p { margin-top: var(--s-4); color: var(--text-muted); }

/* --- Closing CTA ---------------------------------------------------- */
.cta {
  background: var(--primary);
  color: var(--primary-ink);
  padding-block: clamp(4rem, 3rem + 5vw, 7rem);
}
.cta__title { color: var(--primary-ink); }
.cta__lede { color: color-mix(in srgb, var(--primary-ink) 78%, transparent); margin-block: var(--s-5) var(--s-8); }
.cta .btn { --btn-bg: var(--surface); --btn-ink: var(--primary); }
.cta .btn:hover { --btn-bg: var(--surface-2); --btn-ink: var(--primary); }

/* --- Long-form pages ------------------------------------------------ */
.page-head { padding-block: clamp(2.5rem, 2rem + 3vw, 4.5rem) var(--s-8); }
.page-head .display, .page-head h1 { max-width: 24ch; }
.page-head .lede { margin-top: var(--s-5); max-width: 40rem; }

.prose { max-width: 42rem; }
.prose > * + * { margin-top: var(--s-5); }
.prose h2 { margin-top: var(--s-10); font-size: var(--h2); letter-spacing: var(--ls-h2); }
.prose h3 { margin-top: var(--s-8); }
.prose ul, .prose ol { padding-left: var(--s-6); display: grid; gap: var(--s-2); }
.prose li { list-style: disc; }
.prose ol li { list-style: decimal; }
.prose code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--surface-3);
  padding: 0.15em 0.4em;
  border-radius: var(--r-xs);
}
.prose strong { font-weight: 600; }

/* --- Legal documents ------------------------------------------------ */
.legal-note {
  padding: var(--s-4) var(--s-5);
  border-radius: var(--r-md);
  background: var(--warning-bg);
  color: var(--warning-ink);
  font-size: var(--small);
  line-height: 1.55;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--small);
  margin-block: var(--s-5);
}
.legal-table th,
.legal-table td {
  padding: var(--s-3);
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}
.legal-table thead th {
  font-size: var(--tiny);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--text-muted);
}
.legal-table td code { font-size: 0.8125rem; }

/* A long policy needs a wider measure than marketing prose. */
.prose--legal { max-width: 46rem; }
.prose--legal h2 { font-size: var(--h3); letter-spacing: var(--ls-h3); }
.prose--legal h3 { font-size: var(--body-lg); margin-top: var(--s-6); }
.prose--legal ol { padding-left: var(--s-6); display: grid; gap: var(--s-2); }
.prose--legal ol li { list-style: decimal; }

@media (max-width: 640px) {
  .legal-table { display: block; overflow-x: auto; white-space: nowrap; }
}

/* --- Footer --------------------------------------------------------- */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding-block: var(--s-16) var(--s-8);
  margin-top: var(--s-8);
}
.site-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: var(--s-12);
}
.site-footer__tagline { margin-top: var(--s-4); max-width: 22rem; }

.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  gap: var(--s-8);
}
.site-footer__cols ul { list-style: none; margin-top: var(--s-4); display: grid; gap: var(--s-3); }
.site-footer__cols a { font-size: var(--small); color: var(--text-muted); text-decoration: none; }
.site-footer__cols a:hover { color: var(--text); text-decoration: underline; }

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3) var(--s-8);
  justify-content: space-between;
  margin-top: var(--s-12);
  padding-top: var(--s-6);
  border-top: 1px solid var(--border);
}

@media (max-width: 760px) {
  .site-footer__top { grid-template-columns: 1fr; gap: var(--s-10); }
}

/* --- Error pages ---------------------------------------------------- */
.error-page {
  min-height: 60vh;
  display: grid;
  place-items: center;
  padding-block: var(--s-16);
  text-align: center;
}
.error-page__code {
  font-family: var(--font-serif);
  font-size: clamp(4rem, 3rem + 8vw, 7rem);
  line-height: 1;
  color: var(--text-faint);
}
.error-page h1 { margin-block: var(--s-5) var(--s-4); }
.error-page p { max-width: 34rem; margin-inline: auto; }
.error-page .btn { margin-top: var(--s-8); }