/* ============================================================
   Carespective UI Kit — Marketing / Website surface
   ------------------------------------------------------------
   Drop-in classes used by the marketing pages. Lifted, named &
   normalised from the source one-pager. Pair with
   colors_and_type.css for tokens + base type.

   Imports:
   <link rel="stylesheet" href="../../colors_and_type.css">
   <link rel="stylesheet" href="kit.css">
   ============================================================ */

/* ----- Page ambient gradient (extremely faint, fixed) ---- */
body.cs-marketing { position: relative; }
body.cs-marketing::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60rem 40rem at -10% -10%, oklch(96% 0.035 80 / 0.55), transparent 60%),
    radial-gradient(50rem 36rem at 110% 110%, oklch(94% 0.040 200 / 0.40), transparent 60%);
}

/* ----- Layout containers --------------------------------- */
.container        { inline-size: var(--container);        margin-inline: auto; }
.container-narrow { inline-size: var(--container-narrow); margin-inline: auto; }
.container-wide   { inline-size: var(--container-wide);   margin-inline: auto; }
section.section { padding-block: var(--section-pad); }
section.section--paper { background: var(--bg-paper); border-block: 1px solid var(--border-light); }
section.section--paper + .quote,
section.section--paper + .quote--inline { border-block-start: 0; }
section.section--paper:has(+ .quote),
section.section--paper:has(+ .quote--inline) { border-block-end: 0; }
section.section--paper + section.section--paper { border-block-start: 0; }

/* ============================================================
   NAV
   ============================================================ */
.site-nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklch, var(--bg) 80%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
  border-block-end: 1px solid transparent;
}
.site-nav.is-scrolled {
  border-block-end-color: var(--border-light);
  background: color-mix(in oklch, var(--bg) 92%, transparent);
}
.nav-inner {
  inline-size: var(--container-wide);
  margin-inline: auto;
  display: flex; align-items: center; gap: 2rem;
  padding-block: 1.125rem;
}
.wordmark {
  display: inline-flex; align-items: center; gap: 0.625rem;
  font-family: var(--font-display); font-weight: 500; font-size: 1.125rem;
  letter-spacing: -0.02em; color: var(--ink); line-height: 1;
}
.wordmark-mark {
  inline-size: 1.5em; block-size: 1.5em; display: block; flex: 0 0 auto;
}
.wordmark-text { display: inline-block; transform: translateY(0.04em); }
.nav-links { display: flex; gap: 2rem; margin-inline-start: auto; font-size: var(--t-body-s); }
.nav-links a {
  color: var(--ink-soft); font-weight: 500;
  position: relative;
  padding-block: 0.35rem;
  transition: color var(--t-fast, 150ms) var(--ease, ease);
}
.nav-links a:hover { color: var(--accent-deep); }

/* Current-page marker — teal text with a leading middot, echoing the
   `·` separator already used in copy. Light-touch and editorial. */
.nav-links a[aria-current="page"] {
  color: var(--accent-deep);
}
.nav-links a[aria-current="page"]::before {
  content: "·";
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-inline-end: 0.3em;
  color: var(--accent-deep);
  font-weight: 700;
  line-height: 1;
}
.nav-actions { display: flex; gap: 0.5rem; align-items: center; }

/* ----- Hamburger toggle (hidden on desktop) ----- */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  inline-size: 40px; block-size: 40px;
  padding: 0;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  color: var(--ink);
  cursor: pointer;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.nav-toggle:hover { background: var(--surface-soft); border-color: var(--border-light); }
.nav-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.nav-toggle-icon {
  position: relative;
  display: block;
  inline-size: 20px; block-size: 1.5px;
  background: currentColor;
  border-radius: 2px;
  transition: background var(--t-fast) var(--ease);
}
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute; left: 0;
  inline-size: 20px; block-size: 1.5px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--t-med) var(--ease), top var(--t-med) var(--ease);
}
.nav-toggle-icon::before { top: -6px; }
.nav-toggle-icon::after  { top:  6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after  { top: 0; transform: rotate(-45deg); }

/* ----- Mobile menu drawer (hidden on desktop) ----- */
.mobile-menu {
  display: none;
  border-block-start: 1px solid var(--border-light);
  background: color-mix(in oklch, var(--bg) 96%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
}
.mobile-menu-inner {
  display: flex; flex-direction: column;
  gap: 1.5rem;
  padding: 1.25rem clamp(1rem, 5vw, 2rem) 1.75rem;
  max-block-size: calc(100vh - 4.5rem);
  overflow-y: auto;
}
.mobile-menu-links {
  display: flex; flex-direction: column;
  gap: 0.25rem;
}
.mobile-menu-links a {
  position: relative;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: var(--t-body-s);
  padding-block: 0.625rem;
  transition: color var(--t-fast) var(--ease);
}
.mobile-menu-links a:hover { color: var(--accent-deep); }
.mobile-menu-links a[aria-current="page"] {
  color: var(--accent-deep);
}
.mobile-menu-links a[aria-current="page"]::before {
  content: "·";
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-inline-end: 0.3em;
  color: var(--accent-deep);
  font-weight: 700;
  line-height: 1;
}
.mobile-menu-actions {
  display: flex; flex-direction: row; flex-wrap: wrap; gap: 0.5rem;
  margin-block-start: 0.25rem;
  padding-block-start: 1rem;
  border-block-start: 1px solid var(--border-light);
}
.mobile-menu-actions .btn {
  font-size: var(--t-body-s);
  padding: 0.5rem 0.875rem;
}

@media (max-width: 880px) {
  .nav-links,
  .nav-actions { display: none; }
  .nav-toggle { display: inline-flex; margin-inline-start: auto; }
  .site-nav.is-menu-open { border-block-end-color: var(--border-light); }
  .site-nav.is-menu-open .mobile-menu { display: block; animation: cs-mobile-menu-in var(--t-med) var(--ease); }
}
@keyframes cs-mobile-menu-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .site-nav.is-menu-open .mobile-menu { animation: none; }
  .nav-toggle-icon::before,
  .nav-toggle-icon::after { transition: none; }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.6875rem 1.125rem;
  font-family: var(--font-body); font-size: var(--t-body-s); font-weight: 500;
  border: 1px solid var(--border); border-radius: var(--r-md);
  background: var(--surface); color: var(--ink);
  cursor: pointer;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.btn:hover     { background: var(--surface-soft); border-color: var(--border); }
.btn:active    { transform: translateY(1px); }
.btn--primary  { background: var(--accent); color: white; border-color: var(--accent); }
.btn--primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn--ghost    { background: transparent; border-color: var(--border); }
.btn--ghost:hover { background: var(--surface-soft); }
.btn--lg       { padding: 1rem 1.5rem; font-size: 1rem; }
.btn--on-dark  { background: white; color: var(--ink); border-color: white; }
.btn--on-dark:hover { background: oklch(95% 0.012 80); }
.btn--on-dark-ghost { background: transparent; color: white; border-color: oklch(60% 0.020 240); }
.btn--on-dark-ghost:hover { background: oklch(28% 0.020 240); border-color: oklch(70% 0.020 240); }

.btn .arrow, .link-arrow .arrow { transition: transform var(--t-fast) var(--ease); }
.btn:hover .arrow, .link-arrow:hover .arrow { transform: translateX(2px); }

/* ============================================================
   HERO
   ============================================================ */
.hero { padding-block: clamp(4rem, 9vw, 8rem) clamp(3rem, 7vw, 6rem); }
.hero-eyebrow { margin-block-end: 2rem; }
.hero-headline {
  font-family: var(--font-display); font-weight: 400;
  font-size: var(--t-display-xl);
  line-height: 1.02; letter-spacing: -0.025em;
  color: var(--ink); max-inline-size: 22ch; text-wrap: balance;
}
.hero-headline em { font-style: italic; font-weight: 400; color: var(--accent-deep); }
.hero-sub {
  margin-block-start: 1.875rem; max-inline-size: 44rem;
  font-size: var(--t-body-l); line-height: 1.55; color: var(--ink-soft);
  text-wrap: pretty;
}
.hero-sub strong { font-weight: 500; color: var(--ink); }
.hero-ctas { margin-block-start: 2.5rem; display: flex; gap: 1.25rem; flex-wrap: wrap; align-items: center; }

/* ============================================================
   AUDIENCE CARDS — 3-up role splits
   ============================================================ */
.audiences-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.audience-card {
  background: var(--surface); border: 1px solid var(--border-light);
  border-radius: var(--r-xl); padding: 1.625rem 1.5rem 1.375rem;
  display: flex; flex-direction: column; gap: 0.875rem; min-block-size: 360px;
  position: relative;
  transition: transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease);
}
.audience-card::before {
  content: ""; position: absolute; top: 0; left: 1.5rem; right: 1.5rem;
  block-size: 2px; background: var(--accent); border-radius: 2px;
}
.audience-card:hover {
  transform: translateY(-2px); border-color: var(--accent);
  box-shadow: 0 14px 30px -16px rgba(15, 23, 42, .15);
}
.audience-card-eyebrow {
  font-family: var(--font-mono); font-size: var(--t-meta); font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
  padding-block-start: 0.25rem;
}
.audience-card-title {
  font-family: var(--font-display); font-weight: 400;
  font-size: 1.875rem; line-height: 1.05; letter-spacing: -0.02em;
  color: var(--ink); text-wrap: balance; margin: 0;
}
.audience-card-title em { font-style: italic; font-weight: 400; color: var(--accent-deep); }
.audience-card-body { margin: 0; font-size: 0.9375rem; line-height: 1.55; color: var(--ink-soft); text-wrap: pretty; }
.audience-card-list {
  margin: 0; padding: 0; list-style: none;
  display: flex; flex-direction: column; gap: 0.55rem;
  font-size: var(--t-body-s); color: var(--ink-soft);
}
.audience-card-list li { display: flex; gap: 0.625rem; align-items: flex-start; }
.audience-card-list li::before {
  content: ""; flex: 0 0 auto; inline-size: 6px; block-size: 6px;
  border-radius: 50%; background: var(--border-strong); margin-block-start: 0.5rem;
}
.audience-card-foot {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: var(--t-body-s); font-weight: 500; color: var(--accent-deep);
  margin-block-start: auto; border-block-start: 1px solid var(--border-light);
  padding-block-start: 0.875rem;
}
@media (max-width: 920px) { .audiences-grid { grid-template-columns: 1fr; } }

/* ============================================================
   COMPARISON COLUMNS — without / with
   ============================================================ */
.comparison-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.comparison-col {
  background: var(--surface); border: 1px solid var(--border-light);
  border-radius: var(--r-xl); padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex; flex-direction: column; gap: 1.125rem;
}
.comparison-col--with {
  background: linear-gradient(180deg, var(--surface), color-mix(in oklch, var(--accent-soft) 30%, var(--surface)));
  border-color: var(--accent);
}
.comparison-eyebrow { color: var(--muted); }
.comparison-eyebrow--with { color: var(--accent-deep); }
.comparison-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.comparison-list li {
  display: flex; gap: 0.625rem; align-items: flex-start;
  padding-block: 0.625rem;
  font-size: var(--t-body); color: var(--ink-soft);
  border-block-start: 1px solid var(--border-light);
}
.comparison-col--with .comparison-list li {
  border-block-start-color: color-mix(in oklch, var(--accent) 25%, var(--border-light));
}
.comparison-list .icon-x, .comparison-list .icon-check {
  flex: 0 0 auto; inline-size: 18px; block-size: 18px; border-radius: 50%;
  display: grid; place-items: center; margin-block-start: 0.125rem;
  font-size: 12px; font-weight: 600;
}
.comparison-list .icon-x { background: var(--negative-bg); color: var(--negative-fg); }
.comparison-list .icon-check { background: var(--accent); color: white; }
.comparison-list .icon-check::before {
  content: ""; display: block; inline-size: 7px; block-size: 4px;
  border: 1.5px solid white; border-block-start: 0; border-inline-end: 0;
  transform: rotate(-45deg) translateY(-1px);
}
@media (max-width: 760px) { .comparison-grid { grid-template-columns: 1fr; } }

/* ============================================================
   FOUNDING CUSTOMER (dark surface)
   ============================================================ */
.founding {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(1.5rem, 4vw, 3rem);
  background: var(--ink); color: oklch(95% 0.012 80);
  border-radius: var(--r-xl); padding: clamp(2rem, 5vw, 3.5rem);
  position: relative; overflow: hidden;
}
.founding::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(40rem 24rem at 0% 0%, oklch(35% 0.06 80 / 0.50), transparent 60%),
    radial-gradient(40rem 24rem at 100% 100%, oklch(35% 0.07 200 / 0.45), transparent 60%);
}
.founding > * { position: relative; }
.founding-eyebrow {
  font-family: var(--font-mono); font-size: var(--t-meta);
  font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase;
  color: oklch(80% 0.05 145); display: inline-flex; align-items: center; gap: 0.5rem;
  margin-block-end: 1.25rem;
}
.founding-eyebrow::before {
  content: ""; inline-size: 0.5rem; block-size: 0.5rem; border-radius: 50%;
  background: oklch(72% 0.13 145); box-shadow: 0 0 0 4px oklch(72% 0.13 145 / 0.18);
}
.founding-title {
  font-family: var(--font-display); font-weight: 400;
  font-size: var(--t-display-l); line-height: 1.05; letter-spacing: -0.02em;
  color: white; max-inline-size: 16ch;
}
.founding-title em { font-style: italic; color: oklch(78% 0.12 200); }
.founding-body { margin-block-start: 1.25rem; font-size: var(--t-body-l); line-height: 1.55; color: oklch(85% 0.012 80); max-inline-size: 38ch; }
.founding-actions { margin-block-start: 1.875rem; display: flex; gap: 0.875rem; flex-wrap: wrap; }
.founding-meta {
  border-inline-start: 1px solid oklch(35% 0.020 240);
  padding-inline-start: 2rem;
  display: flex; flex-direction: column; gap: 1.25rem;
}
.founding-stat-num {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(2.5rem, 4vw, 3.25rem); line-height: 1; letter-spacing: -0.02em;
  color: white; font-variant-numeric: tabular-nums;
}
.founding-stat-label { font-size: var(--t-body-s); color: oklch(70% 0.012 80); }
@media (max-width: 880px) {
  .founding { grid-template-columns: 1fr; }
  .founding-meta { border-inline-start: 0; padding-inline-start: 0; border-block-start: 1px solid oklch(35% 0.020 240); padding-block-start: 1.5rem; }
}

/* ============================================================
   FEATURE BEAT (sticky-scroll narrative + mockup column)
   ============================================================ */
.feature { padding-block: var(--section-pad); }
.feature-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.feature--reverse .feature-grid { grid-template-columns: 1.1fr 1fr; }
.feature--reverse .feature-mockup-col { order: -1; }
.feature-narrative-col { display: flex; flex-direction: column; gap: clamp(2rem, 4vw, 3rem); }
.feature-mockup-col { position: sticky; top: 6rem; align-self: start; }
.feature-beat {
  border-inline-start: 2px solid var(--border-strong);
  padding-inline-start: 2rem;
  opacity: 0.55;
  transition: opacity var(--t-med) var(--ease), border-color var(--t-med) var(--ease), padding-inline-start var(--t-med) var(--ease);
}
.feature-beat.is-active {
  opacity: 1; border-color: var(--accent);
  padding-inline-start: 3rem;
}
.feature-title {
  font-family: var(--font-display); font-weight: 400;
  font-size: var(--t-display-m); line-height: 1.1; letter-spacing: -0.015em;
  color: var(--ink); margin-block-end: 0.875rem;
}
.feature-title em { font-style: italic; color: var(--accent-deep); }
.feature-body { font-size: var(--t-body-l); line-height: 1.55; color: var(--ink-soft); }
@media (max-width: 920px) {
  .feature-grid, .feature--reverse .feature-grid { grid-template-columns: 1fr; }
  .feature-mockup-col { position: relative; top: 0; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  border-block-start: 1px solid var(--border-light);
  padding-block: 3rem 2rem; color: var(--muted);
}
.site-footer .container { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.site-footer .footer-meta { font-size: var(--t-body-s); color: var(--muted); }