/* ============================================================
   Charthalo — Main Stylesheet
   Brand prefix: cha
   Design: Clinical warmth — deep teal-ink on warm neutral canvas
   ============================================================ */

/* === Accessibility === */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* === Custom Properties === */
:root {
  --cha-brand-primary: #0E2B3C;
  --cha-accent-decorative: #2EC4B6;
  --cha-accent-aa-light: #19746B;
  --cha-accent-aa-dark: #2EC4B6;
  --cha-fg-light-primary: #0E2B3C;
  --cha-fg-light-secondary: #4A6375;
  --cha-fg-dark-primary: #F0F5F8;
  --cha-fg-dark-secondary: #8BAFC0;
  --cha-bg-light: #F5F8FA;
  --cha-bg-white: #FFFFFF;
  --cha-bg-warm: #F7F4F0;
  --cha-bg-dark: #0E2B3C;
  --cha-bg-dark-alt: #16374B;
  --cha-border-light: #DDE5EC;
  --cha-status-success: #1B7A52;

  --cha-radius: 10px;
  --cha-radius-lg: 16px;
  --cha-container-max: 1200px;
  --cha-section-v: 6rem;
  --cha-card-gap: 1.5rem;
  --cha-transition: 0.22s ease;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--cha-fg-light-primary);
  background: var(--cha-bg-white);
}
body.cha-page--dark-top { background: var(--cha-bg-dark); }
body.cha-page--light-top { background: var(--cha-bg-white); }

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; }

/* === Typography Scale === */
h1 {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h2 {
  font-size: clamp(1.875rem, 3.5vw, 2.625rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.015em;
}
h3 {
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: 600;
  line-height: 1.25;
}
h4 { font-size: 1.125rem; font-weight: 600; line-height: 1.3; }
p { line-height: 1.65; }

/* === Container === */
.cha-container {
  width: 100%;
  max-width: var(--cha-container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* === Eyebrow === */
.cha-section--light .cha-eyebrow,
.cha-section--white .cha-eyebrow,
.cha-section--warm .cha-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cha-accent-aa-light);
  margin-bottom: 0.75rem;
}
.cha-section--dark .cha-eyebrow,
.cha-section--dark-alt .cha-eyebrow,
.cha-footer .cha-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cha-accent-aa-dark);
  margin-bottom: 0.75rem;
}

/* === Section Blocks === */
.cha-section--dark {
  background: var(--cha-bg-dark);
  color: var(--cha-fg-dark-primary);
  padding: var(--cha-section-v) 0;
}
.cha-section--dark h1,
.cha-section--dark h2,
.cha-section--dark h3,
.cha-section--dark h4 { color: var(--cha-fg-dark-primary); }
.cha-section--dark p { color: var(--cha-fg-dark-secondary); }
.cha-section--dark .cha-text-primary { color: var(--cha-fg-dark-primary); }

.cha-section--dark-alt {
  background: var(--cha-bg-dark-alt);
  color: var(--cha-fg-dark-primary);
  padding: var(--cha-section-v) 0;
}
.cha-section--dark-alt h1,
.cha-section--dark-alt h2,
.cha-section--dark-alt h3,
.cha-section--dark-alt h4 { color: var(--cha-fg-dark-primary); }
.cha-section--dark-alt p { color: var(--cha-fg-dark-secondary); }

.cha-section--light {
  background: var(--cha-bg-light);
  color: var(--cha-fg-light-primary);
  padding: var(--cha-section-v) 0;
}
.cha-section--light h2,
.cha-section--light h3 { color: var(--cha-fg-light-primary); }
.cha-section--light p { color: var(--cha-fg-light-secondary); }

.cha-section--white {
  background: var(--cha-bg-white);
  color: var(--cha-fg-light-primary);
  padding: var(--cha-section-v) 0;
}
.cha-section--white h2,
.cha-section--white h3 { color: var(--cha-fg-light-primary); }
.cha-section--white p { color: var(--cha-fg-light-secondary); }

.cha-section--warm {
  background: var(--cha-bg-warm);
  color: var(--cha-fg-light-primary);
  padding: var(--cha-section-v) 0;
}
.cha-section--warm h2,
.cha-section--warm h3 { color: var(--cha-fg-light-primary); }
.cha-section--warm p { color: var(--cha-fg-light-secondary); }

/* === Buttons === */
.cha-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--cha-radius);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  border: 2px solid transparent;
  transition: all var(--cha-transition);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}
.cha-btn--primary {
  background: var(--cha-accent-aa-light);
  color: #FFFFFF;
  border-color: var(--cha-accent-aa-light);
}
.cha-btn--primary:hover {
  background: #125E56;
  border-color: #125E56;
}
.cha-btn--outline-light {
  background: transparent;
  color: var(--cha-fg-light-primary);
  border-color: var(--cha-border-light);
}
.cha-btn--outline-light:hover {
  background: var(--cha-bg-light);
  border-color: var(--cha-fg-light-primary);
}
.cha-btn--outline-dark {
  background: transparent;
  color: var(--cha-fg-dark-primary);
  border-color: rgba(240,245,248,0.35);
}
.cha-btn--outline-dark:hover {
  background: rgba(240,245,248,0.08);
  border-color: rgba(240,245,248,0.6);
}
.cha-btn--ghost-dark {
  background: rgba(46,196,182,0.12);
  color: var(--cha-accent-aa-dark);
  border-color: rgba(46,196,182,0.3);
}
.cha-btn--ghost-dark:hover {
  background: rgba(46,196,182,0.2);
}
.cha-btn--lg {
  padding: 0.9375rem 2rem;
  font-size: 1rem;
}
.cha-btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* === Navigation === */
.cha-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background var(--cha-transition), box-shadow var(--cha-transition), padding var(--cha-transition);
  padding: 1.25rem 0;
}
.cha-page--dark-top .cha-nav { background: transparent; }
.cha-page--light-top .cha-nav { background: var(--cha-bg-dark); box-shadow: 0 1px 0 rgba(0,0,0,0.08); padding: 0.875rem 0; }
.cha-nav--scrolled { background: var(--cha-bg-dark) !important; box-shadow: 0 2px 16px rgba(14,43,60,0.18) !important; padding: 0.875rem 0 !important; }
.cha-nav__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  max-width: var(--cha-container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.cha-nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.cha-nav__logo img {
  height: 30px;
  width: auto;
  max-width: 180px;
}
.cha-nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}
.cha-nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(240,245,248,0.82);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  transition: color var(--cha-transition), background var(--cha-transition);
  text-decoration: none;
}
.cha-nav__link:hover { color: #FFFFFF; background: rgba(255,255,255,0.07); }
.cha-nav__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: 1rem;
}
.cha-nav__cta-secondary {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(240,245,248,0.7);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: color var(--cha-transition), background var(--cha-transition);
  text-decoration: none;
  border: 1px solid rgba(240,245,248,0.2);
}
.cha-nav__cta-secondary:hover { color: #FFFFFF; border-color: rgba(240,245,248,0.45); }
.cha-nav__cta-primary {
  font-size: 0.875rem;
  font-weight: 600;
  color: #FFFFFF;
  padding: 0.5rem 1.125rem;
  background: var(--cha-accent-aa-light);
  border-radius: 6px;
  transition: background var(--cha-transition);
  text-decoration: none;
}
.cha-nav__cta-primary:hover { background: #125E56; }

/* Hamburger */
.cha-nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  padding: 0.5rem;
  margin-left: auto;
}
.cha-nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(240,245,248,0.9);
  border-radius: 2px;
  transition: all 0.2s;
}
.cha-nav__mobile-menu {
  display: none;
  background: var(--cha-bg-dark);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 1rem 1.5rem 1.5rem;
}
.cha-nav__mobile-menu.is-open { display: block; }
.cha-nav__mobile-link {
  display: block;
  color: rgba(240,245,248,0.82);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  text-decoration: none;
}
.cha-nav__mobile-link:last-child { border-bottom: none; }
.cha-nav__mobile-actions { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.75rem; }

/* === Footer === */
.cha-footer {
  background: var(--cha-bg-dark);
  color: var(--cha-fg-dark-primary);
  padding: 4rem 0 0;
}
.cha-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.cha-footer__logo { height: 28px; width: auto; max-width: 160px; margin-bottom: 1rem; }
.cha-footer__tagline { font-size: 0.9rem; color: var(--cha-fg-dark-secondary); line-height: 1.55; margin-bottom: 1.5rem; max-width: 280px; }
.cha-footer__contact-item {
  font-size: 0.875rem;
  color: var(--cha-fg-dark-secondary);
  margin-bottom: 0.4rem;
}
.cha-footer__contact-item a { color: var(--cha-fg-dark-secondary); transition: color var(--cha-transition); }
.cha-footer__contact-item a:hover { color: var(--cha-fg-dark-primary); }
.cha-footer__col-heading {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--cha-fg-dark-primary);
  margin-bottom: 1rem;
}
.cha-footer__link {
  display: block;
  font-size: 0.875rem;
  color: var(--cha-fg-dark-secondary);
  padding: 0.3rem 0;
  transition: color var(--cha-transition);
  text-decoration: none;
}
.cha-footer__link:hover { color: var(--cha-fg-dark-primary); }
.cha-footer__bottom {
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.cha-footer__copyright {
  font-size: 0.8125rem;
  color: var(--cha-fg-dark-secondary);
}
.cha-footer__legal-links {
  display: flex;
  gap: 1.5rem;
}
.cha-footer__legal-link {
  font-size: 0.8125rem;
  color: var(--cha-fg-dark-secondary);
  transition: color var(--cha-transition);
  text-decoration: none;
}
.cha-footer__legal-link:hover { color: var(--cha-fg-dark-primary); }

/* === Hero (Index - Dark) === */
.cha-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  padding-bottom: 4rem;
  position: relative;
  overflow: hidden;
}
.cha-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  max-width: var(--cha-container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.cha-hero__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cha-accent-aa-dark);
  margin-bottom: 1.25rem;
  padding: 0.375rem 0.875rem;
  background: rgba(46,196,182,0.12);
  border-radius: 100px;
  border: 1px solid rgba(46,196,182,0.25);
}
.cha-hero__headline {
  color: var(--cha-fg-dark-primary);
  margin-bottom: 1.25rem;
}
.cha-hero__headline em {
  font-style: normal;
  color: var(--cha-accent-aa-dark);
}
.cha-hero__subhead {
  font-size: 1.125rem;
  color: var(--cha-fg-dark-secondary);
  line-height: 1.6;
  margin-bottom: 2.5rem;
  max-width: 520px;
}
.cha-hero__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.cha-hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* === Problem Strip (dark-alt stats) === */
.cha-problem-strip {
  background: var(--cha-bg-dark-alt);
  padding: 3.5rem 0;
}
.cha-problem-strip__inner {
  max-width: var(--cha-container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.cha-problem-strip__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.cha-problem-strip__stat {
  text-align: center;
  padding: 1.5rem;
  border-left: 1px solid rgba(255,255,255,0.08);
}
.cha-problem-strip__stat:first-child { border-left: none; }
.cha-problem-strip__number {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--cha-accent-aa-dark);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.cha-problem-strip__label {
  font-size: 0.875rem;
  color: var(--cha-fg-dark-secondary);
  line-height: 1.5;
}
.cha-problem-strip__source {
  font-size: 0.7rem;
  color: rgba(139,175,192,0.55);
  margin-top: 0.375rem;
}

/* === How It Works Summary === */
.cha-hiw-summary__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 3rem;
}
.cha-hiw-step {
  text-align: center;
}
.cha-hiw-step__number {
  width: 48px;
  height: 48px;
  background: var(--cha-accent-aa-light);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 auto 1.25rem;
  flex-shrink: 0;
}
.cha-section--light .cha-hiw-step h3 { color: var(--cha-fg-light-primary); }
.cha-section--light .cha-hiw-step p { color: var(--cha-fg-light-secondary); }

/* === Product Demo (SOAP note inline mock) === */
.cha-demo__split {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  align-items: center;
  gap: 4rem;
}
.cha-demo__lead h2 { color: var(--cha-fg-light-primary); margin-bottom: 1rem; }
.cha-demo__lead p { color: var(--cha-fg-light-secondary); margin-bottom: 1.5rem; }
.cha-note-card {
  background: #0D1E2C;
  border-radius: var(--cha-radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(14,43,60,0.35);
  border: 1px solid rgba(255,255,255,0.07);
}
.cha-note-card__chrome {
  background: #192D3E;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.cha-note-card__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.cha-note-card__dot--red { background: #FF5F57; }
.cha-note-card__dot--yellow { background: #FEBC2E; }
.cha-note-card__dot--green { background: #28C840; }
.cha-note-card__title {
  font-size: 0.75rem;
  color: rgba(139,175,192,0.7);
  font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  margin-left: auto;
  margin-right: auto;
}
.cha-note-card__body {
  padding: 1.25rem 1.5rem;
  font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: #C8D8E4;
}
.cha-note-section-label {
  color: var(--cha-accent-aa-dark);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 1rem;
  margin-bottom: 0.35rem;
  display: block;
}
.cha-note-section-label:first-child { margin-top: 0; }
.cha-note-text { color: #A8C0D0; font-size: 0.7875rem; }

/* === Audience Split === */
.cha-audience__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--cha-card-gap);
  margin-top: 2.5rem;
}
.cha-audience-card {
  background: var(--cha-bg-white);
  border: 1px solid var(--cha-border-light);
  border-radius: var(--cha-radius-lg);
  padding: 2.25rem 2rem;
  transition: box-shadow var(--cha-transition);
}
.cha-audience-card:hover { box-shadow: 0 8px 32px rgba(14,43,60,0.1); }
.cha-audience-card__icon {
  width: 48px;
  height: 48px;
  background: rgba(25,116,107,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.cha-audience-card__icon i { color: var(--cha-accent-aa-light); font-size: 1.25rem; }
.cha-audience-card h3 { color: var(--cha-fg-light-primary); margin-bottom: 0.75rem; font-size: 1.25rem; }
.cha-audience-card p { color: var(--cha-fg-light-secondary); margin-bottom: 1.5rem; font-size: 0.9375rem; }

/* === Testimonials === */
.cha-testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--cha-card-gap);
  margin-top: 3rem;
}
.cha-testimonial-card {
  background: var(--cha-bg-white);
  border: 1px solid var(--cha-border-light);
  border-radius: var(--cha-radius-lg);
  padding: 1.75rem;
}
.cha-testimonial-card__quote {
  font-size: 1.5rem;
  color: var(--cha-accent-aa-light);
  margin-bottom: 1rem;
  line-height: 1;
}
.cha-testimonial-card__text {
  font-size: 0.9375rem;
  color: var(--cha-fg-light-secondary);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  font-style: italic;
}
.cha-testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}
.cha-testimonial-card__portrait {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--cha-bg-light);
}
.cha-testimonial-card__name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cha-fg-light-primary);
}
.cha-testimonial-card__role {
  font-size: 0.8rem;
  color: var(--cha-fg-light-secondary);
}

/* === CTA Band === */
.cha-cta-band {
  background: var(--cha-bg-dark);
  padding: 5rem 0;
  text-align: center;
}
.cha-cta-band h2 { color: var(--cha-fg-dark-primary); margin-bottom: 1rem; }
.cha-cta-band p { color: var(--cha-fg-dark-secondary); margin-bottom: 2.5rem; font-size: 1.0625rem; }
.cha-cta-band__actions { display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* === Sub-page Hero === */
.cha-subhero {
  padding-top: 8rem;
  padding-bottom: 3.5rem;
}
.cha-subhero--dark {
  background: var(--cha-bg-dark);
  padding-top: 8rem;
  padding-bottom: 4rem;
}
.cha-subhero--dark h1 { color: var(--cha-fg-dark-primary); }
.cha-subhero--dark .cha-subhero__sub { color: var(--cha-fg-dark-secondary); }
.cha-subhero__inner {
  max-width: var(--cha-container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.cha-subhero__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.cha-section--light .cha-subhero__eyebrow { color: var(--cha-accent-aa-light); }
.cha-subhero--dark .cha-subhero__eyebrow { color: var(--cha-accent-aa-dark); }
.cha-subhero__headline { margin-bottom: 1.25rem; }
.cha-subhero__sub {
  font-size: 1.125rem;
  max-width: 640px;
  line-height: 1.6;
  margin-bottom: 2rem;
}
.cha-section--light .cha-subhero__headline { color: var(--cha-fg-light-primary); }
.cha-section--light .cha-subhero__sub { color: var(--cha-fg-light-secondary); }

/* Dark sub-page hero with image */
.cha-subhero--dark-img {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding-top: 7rem;
  padding-bottom: 4rem;
}
.cha-subhero--dark-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(14,43,60,0.75) 0%, rgba(14,43,60,0.88) 60%, rgba(14,43,60,0.97) 100%);
  z-index: 1;
}
.cha-subhero--dark-img .cha-subhero__bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}
.cha-subhero--dark-img .cha-subhero__inner { position: relative; z-index: 2; }
.cha-subhero--dark-img h1 { color: var(--cha-fg-dark-primary); }
.cha-subhero--dark-img .cha-subhero__eyebrow { color: var(--cha-accent-aa-dark); }
.cha-subhero--dark-img .cha-subhero__sub { color: var(--cha-fg-dark-secondary); }

/* Light sub-page hero with photo-split */
.cha-about-hero {
  padding-top: 7rem;
  padding-bottom: 0;
  background: var(--cha-bg-light);
}
.cha-about-hero__inner {
  max-width: var(--cha-container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding-bottom: 4rem;
}
.cha-about-hero__text .cha-subhero__eyebrow { color: var(--cha-accent-aa-light); }
.cha-about-hero__text h1 { color: var(--cha-fg-light-primary); margin-bottom: 1.25rem; }
.cha-about-hero__text p { color: var(--cha-fg-light-secondary); font-size: 1.0625rem; }
.cha-about-hero__img {
  border-radius: var(--cha-radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(14,43,60,0.15);
}
.cha-about-hero__img img { width: 100%; height: auto; display: block; }

/* === How It Works Step Detail === */
.cha-step-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 3.5rem 0;
}
.cha-step-detail:not(:last-child) { border-bottom: 1px solid var(--cha-border-light); }
.cha-step-detail--reverse { direction: rtl; }
.cha-step-detail--reverse > * { direction: ltr; }
.cha-step-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 1.25rem;
}
.cha-step-badge__num {
  width: 36px;
  height: 36px;
  background: var(--cha-accent-aa-light);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  flex-shrink: 0;
}
.cha-step-badge__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--cha-accent-aa-light);
}
.cha-section--white .cha-step-detail h3 { color: var(--cha-fg-light-primary); margin-bottom: 0.875rem; }
.cha-section--white .cha-step-detail p { color: var(--cha-fg-light-secondary); }
.cha-step-visual {
  background: var(--cha-bg-light);
  border-radius: var(--cha-radius-lg);
  padding: 2rem;
  border: 1px solid var(--cha-border-light);
}

/* === FAQ Accordion === */
.cha-faq__list { margin-top: 2.5rem; }
.cha-faq__item {
  border-bottom: 1px solid var(--cha-border-light);
}
.cha-faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.375rem 0;
  background: transparent;
  border: none;
  text-align: left;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--cha-transition);
}
.cha-section--light .cha-faq__question { color: var(--cha-fg-light-primary); }
.cha-section--white .cha-faq__question { color: var(--cha-fg-light-primary); }
.cha-faq__question:hover { color: var(--cha-accent-aa-light); }
.cha-faq__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--cha-accent-aa-light);
  transition: transform 0.2s;
}
.cha-faq__item.is-open .cha-faq__icon { transform: rotate(45deg); }
.cha-faq__answer {
  display: none;
  padding: 0 0 1.375rem;
}
.cha-faq__item.is-open .cha-faq__answer { display: block; }
.cha-section--light .cha-faq__answer p { color: var(--cha-fg-light-secondary); }
.cha-section--white .cha-faq__answer p { color: var(--cha-fg-light-secondary); }

/* === Pricing === */
.cha-pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--cha-card-gap);
  margin-top: 3rem;
  align-items: start;
}
.cha-pricing-card {
  background: var(--cha-bg-white);
  border: 1.5px solid var(--cha-border-light);
  border-radius: var(--cha-radius-lg);
  padding: 2rem 1.75rem;
  transition: box-shadow var(--cha-transition);
  position: relative;
}
.cha-pricing-card:hover { box-shadow: 0 12px 40px rgba(14,43,60,0.1); }
.cha-pricing-card--featured {
  border-color: var(--cha-accent-aa-light);
  box-shadow: 0 0 0 1px var(--cha-accent-aa-light), 0 12px 40px rgba(25,116,107,0.12);
}
.cha-pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cha-accent-aa-light);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 0.25rem 0.875rem;
  border-radius: 100px;
}
.cha-pricing-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--cha-fg-light-primary);
  margin-bottom: 0.25rem;
}
.cha-pricing-card__target {
  font-size: 0.8125rem;
  color: var(--cha-fg-light-secondary);
  margin-bottom: 1.5rem;
}
.cha-pricing-card__price {
  margin-bottom: 1.5rem;
}
.cha-pricing-card__amount {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--cha-fg-light-primary);
  line-height: 1;
}
.cha-pricing-card__unit {
  font-size: 0.8125rem;
  color: var(--cha-fg-light-secondary);
  margin-top: 0.25rem;
}
.cha-pricing-card__annual {
  font-size: 0.8125rem;
  color: var(--cha-accent-aa-light);
  font-weight: 600;
  margin-top: 0.25rem;
}
.cha-pricing-card__features {
  margin-bottom: 2rem;
}
.cha-pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  padding: 0.45rem 0;
  font-size: 0.875rem;
  color: var(--cha-fg-light-secondary);
  border-top: 1px solid var(--cha-border-light);
}
.cha-pricing-card__feature:first-child { border-top: none; }
.cha-pricing-card__feature-icon {
  color: var(--cha-status-success);
  flex-shrink: 0;
  margin-top: 0.15em;
  font-size: 0.875rem;
}
.cha-pricing-card--enterprise .cha-pricing-card__amount { font-size: 1.5rem; }

/* === Security Pillars === */
.cha-security__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--cha-card-gap);
  margin-top: 3rem;
}
.cha-security-card {
  background: var(--cha-bg-white);
  border: 1px solid var(--cha-border-light);
  border-radius: var(--cha-radius-lg);
  padding: 1.75rem;
  display: flex;
  gap: 1.25rem;
}
.cha-security-card__icon {
  width: 48px;
  height: 48px;
  background: rgba(25,116,107,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cha-security-card__icon i { color: var(--cha-accent-aa-light); font-size: 1.25rem; }
.cha-security-card h3 { color: var(--cha-fg-light-primary); font-size: 1rem; margin-bottom: 0.5rem; }
.cha-security-card p { color: var(--cha-fg-light-secondary); font-size: 0.875rem; }

/* === Detail Accordions === */
.cha-security-detail__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2.5rem;
}
.cha-detail-panel {
  background: var(--cha-bg-white);
  border: 1px solid var(--cha-border-light);
  border-radius: var(--cha-radius-lg);
  padding: 1.75rem;
}
.cha-detail-panel h3 { color: var(--cha-fg-light-primary); font-size: 1.0625rem; margin-bottom: 1rem; }
.cha-detail-panel li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  padding: 0.45rem 0;
  font-size: 0.875rem;
  color: var(--cha-fg-light-secondary);
  border-top: 1px solid var(--cha-border-light);
}
.cha-detail-panel li:first-child { border-top: none; }
.cha-detail-panel li::before {
  content: '→';
  color: var(--cha-accent-aa-light);
  flex-shrink: 0;
  font-size: 0.875rem;
}

/* BAA note */
.cha-baa-note {
  background: var(--cha-bg-warm);
  border-radius: var(--cha-radius-lg);
  padding: 2rem 2.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  max-width: 700px;
  margin: 0 auto;
}
.cha-baa-note__icon { color: var(--cha-accent-aa-light); font-size: 1.5rem; flex-shrink: 0; margin-top: 0.1em; }
.cha-baa-note h3 { color: var(--cha-fg-light-primary); font-size: 1.0625rem; margin-bottom: 0.5rem; }
.cha-baa-note p { color: var(--cha-fg-light-secondary); font-size: 0.9375rem; }
.cha-baa-note a { color: var(--cha-accent-aa-light); font-weight: 600; }

/* === Team Grid === */
.cha-team__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--cha-card-gap);
  margin-top: 3rem;
}
.cha-team-card {
  text-align: center;
}
.cha-team-card__portrait {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--cha-radius-lg);
  margin-bottom: 1rem;
  background: var(--cha-bg-light);
}
.cha-team-card__name { font-size: 1rem; font-weight: 600; color: var(--cha-fg-light-primary); margin-bottom: 0.2rem; }
.cha-team-card__role { font-size: 0.875rem; color: var(--cha-accent-aa-light); font-weight: 600; margin-bottom: 0.4rem; }
.cha-team-card__bio { font-size: 0.8125rem; color: var(--cha-fg-light-secondary); }

/* === Blog Cards === */
.cha-blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--cha-card-gap);
  margin-top: 3rem;
}
.cha-blog-card {
  background: var(--cha-bg-white);
  border: 1px solid var(--cha-border-light);
  border-radius: var(--cha-radius-lg);
  overflow: hidden;
  transition: box-shadow var(--cha-transition);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}
.cha-blog-card:hover { box-shadow: 0 8px 32px rgba(14,43,60,0.1); }
.cha-blog-card__img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  height: auto;
  background: var(--cha-bg-light);
  display: block;
}
.cha-blog-card__body { padding: 1.375rem; flex: 1; display: flex; flex-direction: column; }
.cha-blog-card__category {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--cha-accent-aa-light);
  background: rgba(25,116,107,0.08);
  padding: 0.25rem 0.625rem;
  border-radius: 100px;
  margin-bottom: 0.75rem;
}
.cha-blog-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--cha-fg-light-primary);
  line-height: 1.35;
  margin-bottom: 0.75rem;
}
.cha-blog-card:hover .cha-blog-card__title { color: var(--cha-accent-aa-light); }
.cha-blog-card__excerpt {
  font-size: 0.875rem;
  color: var(--cha-fg-light-secondary);
  line-height: 1.55;
  margin-bottom: 1rem;
  flex: 1;
}
.cha-blog-card__meta {
  font-size: 0.8rem;
  color: var(--cha-fg-light-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* === Blog Article === */
.cha-blog-article {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.cha-blog-article__cover {
  width: 100%;
  height: auto;
  border-radius: var(--cha-radius-lg);
  margin-bottom: 2.5rem;
  display: block;
  background: var(--cha-bg-light);
}
.cha-blog-article__header { margin-bottom: 2.5rem; }
.cha-blog-article__category {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--cha-accent-aa-light);
  background: rgba(25,116,107,0.08);
  padding: 0.25rem 0.625rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}
.cha-blog-article__title {
  font-size: clamp(1.875rem, 3.5vw, 2.375rem);
  font-weight: 700;
  color: var(--cha-fg-light-primary);
  line-height: 1.2;
  margin-bottom: 1rem;
}
.cha-blog-article__meta {
  font-size: 0.875rem;
  color: var(--cha-fg-light-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.cha-blog-article__meta-sep { color: var(--cha-border-light); }
.cha-blog-article__body {
  font-size: 1.0625rem;
  line-height: 1.75;
}
body.cha-page--light-top .cha-blog-article__body h2 { color: var(--cha-fg-light-primary); font-size: 1.5rem; margin: 2.5rem 0 0.875rem; }
body.cha-page--light-top .cha-blog-article__body h3 { color: var(--cha-fg-light-primary); font-size: 1.25rem; margin: 2rem 0 0.75rem; }
body.cha-page--light-top .cha-blog-article__body p { color: var(--cha-fg-light-secondary); margin-bottom: 1.25rem; }
body.cha-page--light-top .cha-blog-article__body ul,
body.cha-page--light-top .cha-blog-article__body ol { color: var(--cha-fg-light-secondary); margin-bottom: 1.25rem; padding-left: 1.5rem; }
body.cha-page--light-top .cha-blog-article__body ul { list-style: disc; }
body.cha-page--light-top .cha-blog-article__body ol { list-style: decimal; }
body.cha-page--light-top .cha-blog-article__body li { margin-bottom: 0.5rem; }
body.cha-page--light-top .cha-blog-article__body a { color: var(--cha-accent-aa-light); text-decoration: underline; }
body.cha-page--light-top .cha-blog-article__body strong { color: var(--cha-fg-light-primary); }

/* Back link */
.cha-blog-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--cha-accent-aa-light);
  text-decoration: none;
  margin-bottom: 2rem;
}
.cha-blog-back:hover { color: var(--cha-fg-light-primary); }

/* === Contact === */
.cha-contact__split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: start;
}
.cha-contact-form__group {
  margin-bottom: 1.25rem;
}
.cha-contact-form__label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cha-fg-light-primary);
  margin-bottom: 0.5rem;
}
.cha-contact-form__input,
.cha-contact-form__select,
.cha-contact-form__textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--cha-fg-light-primary);
  background: var(--cha-bg-white);
  border: 1.5px solid var(--cha-border-light);
  border-radius: var(--cha-radius);
  transition: border-color var(--cha-transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.cha-contact-form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234A6375' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
.cha-contact-form__input:focus,
.cha-contact-form__select:focus,
.cha-contact-form__textarea:focus { border-color: var(--cha-accent-aa-light); }
.cha-contact-form__textarea { min-height: 130px; resize: vertical; }
.cha-contact-detail {
  background: var(--cha-bg-light);
  border-radius: var(--cha-radius-lg);
  padding: 2rem;
}
.cha-contact-detail h3 { color: var(--cha-fg-light-primary); margin-bottom: 1.25rem; font-size: 1.125rem; }
.cha-contact-detail__item {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  margin-bottom: 1rem;
}
.cha-contact-detail__icon { color: var(--cha-accent-aa-light); font-size: 1rem; margin-top: 0.2em; flex-shrink: 0; }
.cha-contact-detail__text { font-size: 0.9375rem; color: var(--cha-fg-light-secondary); }
.cha-contact-detail__text a { color: var(--cha-accent-aa-light); }
.cha-contact-detail__note {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--cha-border-light);
}
.cha-contact-detail__note p { font-size: 0.9rem; color: var(--cha-fg-light-secondary); font-style: italic; }
.cha-contact-detail__note strong { color: var(--cha-fg-light-primary); }

/* === Login / Auth === */
.cha-auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cha-bg-light);
  padding: 5rem 1.5rem 3rem;
}
.cha-auth-panel {
  width: 100%;
  max-width: 440px;
  background: var(--cha-bg-white);
  border: 1px solid var(--cha-border-light);
  border-radius: var(--cha-radius-lg);
  padding: 2.5rem;
  box-shadow: 0 8px 40px rgba(14,43,60,0.08);
}
.cha-auth-logo {
  display: block;
  height: 28px;
  width: auto;
  margin: 0 auto 2rem;
}
.cha-auth-panel h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cha-fg-light-primary);
  text-align: center;
  margin-bottom: 0.5rem;
}
.cha-auth-panel__sub {
  font-size: 0.9rem;
  color: var(--cha-fg-light-secondary);
  text-align: center;
  margin-bottom: 2rem;
}
.cha-auth-form__group { margin-bottom: 1.125rem; }
.cha-auth-form__label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cha-fg-light-primary);
  margin-bottom: 0.4rem;
}
.cha-auth-form__input,
.cha-auth-form__select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--cha-fg-light-primary);
  background: var(--cha-bg-white);
  border: 1.5px solid var(--cha-border-light);
  border-radius: var(--cha-radius);
  outline: none;
  transition: border-color var(--cha-transition);
  -webkit-appearance: none;
  appearance: none;
}
.cha-auth-form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234A6375' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
.cha-auth-form__input:focus,
.cha-auth-form__select:focus { border-color: var(--cha-accent-aa-light); }
.cha-auth-form__btn {
  width: 100%;
  padding: 0.875rem;
  background: var(--cha-accent-aa-light);
  color: #FFFFFF;
  border: none;
  border-radius: var(--cha-radius);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--cha-transition);
  margin-top: 0.5rem;
}
.cha-auth-form__btn:hover { background: #125E56; }
.cha-auth-panel__links {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--cha-fg-light-secondary);
}
.cha-auth-panel__links a { color: var(--cha-accent-aa-light); font-weight: 600; }
.cha-auth-panel__forgot {
  text-align: right;
  margin-top: 0.25rem;
}
.cha-auth-panel__forgot a { font-size: 0.8125rem; color: var(--cha-fg-light-secondary); }
.cha-auth-panel__forgot a:hover { color: var(--cha-accent-aa-light); }

/* === Legal Pages === */
.cha-legal-page {
  padding-top: 6.5rem;
  padding-bottom: 5rem;
}
.cha-legal-breadcrumb {
  max-width: 860px;
  margin: 0 auto 2rem;
  padding: 0 1.5rem;
  font-size: 0.875rem;
  color: var(--cha-fg-light-secondary);
}
.cha-legal-breadcrumb a { color: var(--cha-accent-aa-light); text-decoration: none; }
.cha-legal-content {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
body.cha-page--light-top .cha-legal-content h1 {
  color: var(--cha-fg-light-primary);
  font-size: clamp(1.875rem, 3.5vw, 2.25rem);
  margin-bottom: 0.5rem;
}
body.cha-page--light-top .cha-legal-content .legal-meta {
  color: var(--cha-fg-light-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}
body.cha-page--light-top .cha-legal-content .legal-header {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--cha-border-light);
}
body.cha-page--light-top .cha-legal-content h2 {
  color: var(--cha-fg-light-primary);
  font-size: 1.375rem;
  font-weight: 600;
  margin: 2.25rem 0 0.875rem;
}
body.cha-page--light-top .cha-legal-content h3 {
  color: var(--cha-fg-light-primary);
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 1.5rem 0 0.625rem;
}
body.cha-page--light-top .cha-legal-content p {
  color: var(--cha-fg-light-secondary);
  margin-bottom: 1rem;
  line-height: 1.7;
}
body.cha-page--light-top .cha-legal-content ul,
body.cha-page--light-top .cha-legal-content ol {
  color: var(--cha-fg-light-secondary);
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}
body.cha-page--light-top .cha-legal-content ul { list-style: disc; }
body.cha-page--light-top .cha-legal-content ol { list-style: decimal; }
body.cha-page--light-top .cha-legal-content li { margin-bottom: 0.5rem; line-height: 1.65; }
body.cha-page--light-top .cha-legal-content a { color: var(--cha-accent-aa-light); text-decoration: underline; }
body.cha-page--light-top .cha-legal-content address { font-style: normal; line-height: 1.8; color: var(--cha-fg-light-secondary); }
body.cha-page--light-top .cha-legal-content strong { color: var(--cha-fg-light-primary); }
.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.875rem;
}
body.cha-page--light-top .cha-legal-content .legal-table th,
body.cha-page--light-top .cha-legal-content .legal-table td {
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--cha-border-light);
  color: var(--cha-fg-light-secondary);
  text-align: left;
}
body.cha-page--light-top .cha-legal-content .legal-table th { color: var(--cha-fg-light-primary); background: var(--cha-bg-light); font-weight: 600; }

/* === Day-in-the-life Timeline === */
.cha-daylife__split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 2.5rem;
}
.cha-daylife-col { background: var(--cha-bg-white); border: 1px solid var(--cha-border-light); border-radius: var(--cha-radius-lg); padding: 1.75rem; }
.cha-daylife-col__heading { font-size: 1rem; font-weight: 700; color: var(--cha-fg-light-primary); margin-bottom: 1.5rem; display: flex; align-items: center; gap: 0.625rem; }
.cha-daylife-col--before .cha-daylife-col__dot { width: 10px; height: 10px; border-radius: 50%; background: #E0505F; flex-shrink: 0; }
.cha-daylife-col--after .cha-daylife-col__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--cha-status-success); flex-shrink: 0; }
.cha-timeline-entry { display: flex; align-items: flex-start; gap: 1rem; padding: 0.75rem 0; border-bottom: 1px solid var(--cha-border-light); }
.cha-timeline-entry:last-child { border-bottom: none; }
.cha-timeline-time { font-size: 0.8125rem; font-weight: 700; color: var(--cha-fg-light-secondary); width: 52px; flex-shrink: 0; font-family: 'JetBrains Mono', Consolas, monospace; }
.cha-timeline-event { font-size: 0.9rem; color: var(--cha-fg-light-secondary); line-height: 1.5; }
.cha-daylife-col--after .cha-timeline-event { color: var(--cha-fg-light-primary); }

/* === Specialty Callouts === */
.cha-specialty__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--cha-card-gap);
  margin-top: 2.5rem;
}
.cha-specialty-card {
  background: var(--cha-bg-white);
  border: 1px solid var(--cha-border-light);
  border-radius: var(--cha-radius-lg);
  padding: 1.5rem;
  text-align: center;
}
.cha-specialty-card__icon { color: var(--cha-accent-aa-light); font-size: 1.75rem; margin-bottom: 0.875rem; }
.cha-specialty-card h3 { color: var(--cha-fg-light-primary); font-size: 1rem; margin-bottom: 0.5rem; }
.cha-specialty-card p { color: var(--cha-fg-light-secondary); font-size: 0.8125rem; }

/* === Practice Benefits === */
.cha-benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--cha-card-gap);
  margin-top: 2.5rem;
}
.cha-benefit-card {
  background: var(--cha-bg-white);
  border: 1px solid var(--cha-border-light);
  border-radius: var(--cha-radius-lg);
  padding: 2rem;
}
.cha-benefit-card__icon { color: var(--cha-accent-aa-light); font-size: 1.75rem; margin-bottom: 1rem; }
.cha-benefit-card h3 { color: var(--cha-fg-light-primary); margin-bottom: 0.625rem; font-size: 1.0625rem; }
.cha-benefit-card p { color: var(--cha-fg-light-secondary); font-size: 0.9rem; }

/* === Onboarding Timeline === */
.cha-onboard__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 2.5rem;
  position: relative;
}
.cha-onboard__steps::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: var(--cha-accent-aa-light);
  opacity: 0.25;
  z-index: 0;
}
.cha-onboard-step { text-align: center; position: relative; padding: 0 1rem; }
.cha-onboard-step__num {
  width: 48px;
  height: 48px;
  background: var(--cha-bg-white);
  border: 2px solid var(--cha-accent-aa-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: var(--cha-accent-aa-light);
  margin: 0 auto 1rem;
  position: relative;
  z-index: 1;
}
.cha-onboard-step__duration {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cha-accent-aa-light);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 0.4rem;
}
.cha-section--light .cha-onboard-step h3 { color: var(--cha-fg-light-primary); font-size: 0.9375rem; margin-bottom: 0.4rem; }
.cha-section--light .cha-onboard-step p { color: var(--cha-fg-light-secondary); font-size: 0.8125rem; }

/* === Note Output Demo (how-it-works) === */
.cha-note-demo-wrap {
  background: var(--cha-bg-white);
  border: 1px solid var(--cha-border-light);
  border-radius: var(--cha-radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(14,43,60,0.07);
  max-width: 860px;
  margin: 2.5rem auto 0;
}
.cha-note-demo-wrap .cha-note-card {
  max-width: none;
  border-radius: 0;
  border: none;
  box-shadow: none;
}

/* === Ambient Wave SVG === */
.cha-hero-svg { width: 100%; max-width: 500px; height: auto; }

/* === Email Capture Form (clinician CTA) === */
.cha-email-capture {
  display: flex;
  gap: 0.75rem;
  max-width: 480px;
  flex-wrap: wrap;
}
.cha-email-capture__input {
  flex: 1;
  min-width: 240px;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.08);
  border: 1.5px solid rgba(240,245,248,0.3);
  border-radius: var(--cha-radius);
  color: var(--cha-fg-dark-primary);
  font-family: inherit;
  font-size: 0.9375rem;
  outline: none;
  transition: border-color var(--cha-transition);
}
.cha-email-capture__input::placeholder { color: rgba(139,175,192,0.7); }
.cha-email-capture__input:focus { border-color: var(--cha-accent-aa-dark); }

/* === Fade-in Animation === */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* === Utility === */
.cha-section-header { text-align: center; margin-bottom: 1rem; }
.cha-section-header--left { text-align: left; }
.cha-section-header h2 { margin-bottom: 0.875rem; }
.cha-section-header p { max-width: 580px; margin: 0 auto; }
.cha-section-header--left p { margin: 0; }
.cha-divider { width: 48px; height: 3px; background: var(--cha-accent-aa-light); border-radius: 2px; margin: 1rem auto; }
.cha-divider--left { margin-left: 0; }

/* === Stat with icon (for-clinicians) === */
.cha-pain-stats { display: grid; grid-template-columns: 1fr 1fr; gap: var(--cha-card-gap); margin-top: 2.5rem; }
.cha-pain-stat {
  background: var(--cha-bg-light);
  border-radius: var(--cha-radius-lg);
  padding: 1.75rem;
  border: 1px solid var(--cha-border-light);
}
.cha-pain-stat__num {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--cha-fg-light-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.cha-pain-stat__label { font-size: 0.9rem; color: var(--cha-fg-light-secondary); }
.cha-pain-stat__source { font-size: 0.75rem; color: rgba(74,99,117,0.6); margin-top: 0.375rem; }

/* === Cambridge Section === */
.cha-cambridge__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.cha-cambridge__text h2 { color: var(--cha-fg-light-primary); margin-bottom: 1rem; }
.cha-cambridge__text p { color: var(--cha-fg-light-secondary); margin-bottom: 1rem; }
.cha-cambridge__img { border-radius: var(--cha-radius-lg); overflow: hidden; box-shadow: 0 12px 40px rgba(14,43,60,0.1); }
.cha-cambridge__img img { width: 100%; height: auto; display: block; }

/* === Cookie Banner === */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--cha-bg-dark);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1rem 0;
}
.cookie-banner__inner {
  max-width: var(--cha-container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.cookie-banner__text {
  flex: 1;
  font-size: 0.875rem;
  color: var(--cha-fg-dark-secondary);
  min-width: 240px;
}
.cookie-banner__text a { color: var(--cha-accent-aa-dark); text-decoration: underline; }
.cookie-banner__actions { flex-shrink: 0; }
.cookie-banner__btn {
  padding: 0.5625rem 1.375rem;
  background: var(--cha-accent-aa-light);
  color: #FFFFFF;
  border: none;
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--cha-transition);
}
.cookie-banner__btn:hover { background: #125E56; }

/* === Hero content wrapper === */
.cha-hero__content { max-width: 580px; }

/* === Step detail text column === */
.cha-step-detail__text { }

/* === Contact form wrapper === */
.cha-contact-form { }

/* === Auth form wrapper + panel variants === */
.cha-auth-form { }
.cha-auth-panel--wide { max-width: 500px !important; }
.cha-login-panel { }
.cha-signup-panel { }
.cha-reset-panel { }

/* === Responsive split (for-clinicians pain section) === */
.cha-responsive-split { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }

/* === Responsive === */
@media (max-width: 1024px) {
  .cha-responsive-split { grid-template-columns: 1fr; }
  .cha-hero__inner { grid-template-columns: 1fr; gap: 3rem; }
  .cha-hero__visual { order: -1; }
  .cha-hero__subhead { max-width: 100%; }
  .cha-demo__split { grid-template-columns: 1fr; }
  .cha-team__grid { grid-template-columns: repeat(2, 1fr); }
  .cha-pricing__grid { grid-template-columns: 1fr; max-width: 520px; margin-left: auto; margin-right: auto; }
  .cha-blog-grid { grid-template-columns: repeat(2, 1fr); }
  .cha-security__grid { grid-template-columns: 1fr; }
  .cha-security-detail__grid { grid-template-columns: 1fr; }
  .cha-about-hero__inner { grid-template-columns: 1fr; }
  .cha-cambridge__inner { grid-template-columns: 1fr; }
  .cha-step-detail { grid-template-columns: 1fr; }
  .cha-step-detail--reverse { direction: ltr; }
  .cha-specialty__grid { grid-template-columns: repeat(2, 1fr); }
  .cha-onboard__steps { grid-template-columns: repeat(2, 1fr); gap: var(--cha-card-gap); }
  .cha-onboard__steps::before { display: none; }
  .cha-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --cha-section-v: 4rem; }
  .cha-nav__links,
  .cha-nav__actions { display: none; }
  .cha-nav__hamburger { display: flex; }
  .cha-hiw-summary__grid { grid-template-columns: 1fr; }
  .cha-audience__grid { grid-template-columns: 1fr; }
  .cha-testimonials__grid { grid-template-columns: 1fr; }
  .cha-problem-strip__stats { grid-template-columns: 1fr; gap: 1rem; }
  .cha-problem-strip__stat { border-left: none; border-top: 1px solid rgba(255,255,255,0.08); }
  .cha-problem-strip__stat:first-child { border-top: none; }
  .cha-blog-grid { grid-template-columns: 1fr; }
  .cha-team__grid { grid-template-columns: repeat(2, 1fr); }
  .cha-contact__split { grid-template-columns: 1fr; }
  .cha-daylife__split { grid-template-columns: 1fr; }
  .cha-pain-stats { grid-template-columns: 1fr; }
  .cha-specialty__grid { grid-template-columns: 1fr 1fr; }
  .cha-onboard__steps { grid-template-columns: 1fr; }
  .cha-footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .cha-footer__bottom { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .cha-benefits__grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .cha-team__grid { grid-template-columns: 1fr; max-width: 280px; margin: 2.5rem auto 0; }
  .cha-specialty__grid { grid-template-columns: 1fr; }
}