/* ---------------------------------------------------------------
   Jackson Leadership — base stylesheet
   Restrained, editorial, warm. Plain CSS, mobile-first.
--------------------------------------------------------------- */

:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-secondary: #5c5c5c;
  --color-border: #e6e3de;
  --color-accent: #008fb4;
  --color-accent-deep: #004750;
  --color-accent-coral: #bc5342; /* darkened from brand #eb6852 for WCAG AA on white / with white text */
  --color-bg-subtle: #faf9f7;
  --color-bg-teal: #f2f9fb;

  --accent-assessment: #004750;
  --accent-advisory: #006580;
  --accent-comprehensive: #007da5;
  --accent-workshops: #00aac8;
  --accent-audit: #00bed6;

  --font-heading: "EB Garamond", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --measure: 62ch;
  --container-max: 71.5rem;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
}

/* Reset ---------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--color-accent-coral);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.2;
  margin: 0 0 var(--space-3);
  color: var(--color-text);
}

h1 { font-size: clamp(2.25rem, 4vw + 1rem, 3.25rem); font-weight: 500; }
h2 { font-size: clamp(1.6rem, 2vw + 1rem, 2.1rem); }
h3 { font-size: 1.3rem; }

p {
  margin: 0 0 var(--space-3);
}

ul, ol {
  margin: 0 0 var(--space-3);
  padding-left: 1.25em;
}

li {
  margin-bottom: 0.5em;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-accent-deep);
  color: #fff;
  padding: 0.75em 1.25em;
  z-index: 100;
}

.skip-link:focus {
  left: var(--space-2);
  top: var(--space-2);
}

/* Layout helpers --------------------------------------------------------- */

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

.prose {
  max-width: var(--measure);
}

.prose p,
.prose li {
  color: var(--color-text);
}

.section {
  padding-block: var(--space-5);
}

.section--subtle {
  background: var(--color-bg-subtle);
}

.section--teal {
  background: var(--color-bg-teal);
}

.section-heading {
  margin-bottom: var(--space-4);
}

.rule-accent {
  display: block;
  width: 3rem;
  height: 2px;
  background: var(--color-accent);
  border: 0;
  margin: 0 0 var(--space-3);
}

.rule-accent--assessment { background: var(--accent-assessment); }
.rule-accent--advisory { background: var(--accent-advisory); }
.rule-accent--comprehensive { background: var(--accent-comprehensive); }
.rule-accent--workshops { background: var(--accent-workshops); height: 3px; }
.rule-accent--audit { background: var(--accent-audit); height: 3px; }

.text-secondary {
  color: var(--color-text-secondary);
}

.lede {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  max-width: var(--measure);
}

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

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.85em 1.6em;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--color-accent-deep);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-accent-coral);
  color: #fff;
}

.btn-quiet {
  color: var(--color-accent-deep);
  border-color: var(--color-border);
  background: transparent;
}

.btn-quiet:hover {
  border-color: var(--color-accent-deep);
  color: var(--color-accent-deep);
}

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

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-2);
  gap: var(--space-3);
}

.logo-link {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.logo {
  height: 2.15rem;
  width: auto;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.25rem;
  height: 2.25rem;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 1.1rem;
  height: 1.5px;
  background: var(--color-text);
  margin-inline: auto;
}

.site-nav {
  position: relative;
}

.nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 1px);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  min-width: 14rem;
  z-index: 20;
}

.nav-menu.is-open {
  display: block;
}

.nav-menu li {
  margin: 0;
  border-bottom: 1px solid var(--color-border);
}

.nav-menu li:last-child {
  border-bottom: none;
}

.nav-menu a:not(.nav-cta),
.dropdown-toggle {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.9em 1.1em;
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.95rem;
  background: transparent;
  border: none;
  font-family: var(--font-body);
  cursor: pointer;
}

.nav-menu a:not(.nav-cta):hover,
.dropdown-toggle:hover {
  color: var(--color-accent);
}

.nav-menu a[aria-current="page"] {
  color: var(--color-accent-deep);
  font-weight: 600;
}

.dropdown-toggle.is-current {
  color: var(--color-accent-deep);
  font-weight: 600;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dropdown-caret {
  font-size: 0.7em;
  margin-left: 0.5em;
  transition: transform 0.15s ease;
}

.has-dropdown.is-open .dropdown-caret {
  transform: rotate(180deg);
}

.dropdown-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none;
  background: var(--color-bg-subtle);
}

.has-dropdown.is-open .dropdown-menu {
  display: block;
}

.dropdown-menu a {
  padding-left: 2rem;
  font-size: 0.9rem;
}

.nav-cta-item {
  padding: 0.9em 1.1em;
}

.nav-cta {
  display: inline-block;
  width: auto;
  padding: 0.7em 1.3em;
  background: var(--color-accent-deep);
  color: #fff;
  border-radius: 2px;
  text-align: center;
}

.nav-cta:hover {
  background: var(--color-accent-coral);
  color: #fff;
}

/* The horizontal nav needs ~944px for the logo, five links and the CTA.
   Below this the hamburger stays, otherwise the bar overflows the viewport. */
@media (min-width: 980px) {
  .nav-toggle {
    display: none;
  }

  .nav-menu {
    display: flex;
    position: static;
    border: none;
    min-width: 0;
    align-items: center;
    gap: var(--space-1);
  }

  .nav-menu li {
    border-bottom: none;
    position: relative;
  }

  .nav-menu a,
  .dropdown-toggle {
    padding: 0.5em 0.9em;
  }

  .has-dropdown:hover .dropdown-menu,
  .has-dropdown:focus-within .dropdown-menu {
    display: block;
  }

  .dropdown-menu {
    position: absolute;
    left: 0;
    top: 100%;
    min-width: 20rem;
    border: 1px solid var(--color-border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  }

  .dropdown-menu a {
    padding-left: 1.1em;
    white-space: normal;
  }

  .nav-cta-item {
    padding: 0;
    margin-left: var(--space-1);
  }
}

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

.hero {
  padding-block: var(--space-6) var(--space-5);
}

.hero h1 {
  max-width: 16ch;
}

.hero .lede {
  margin-top: var(--space-2);
}

.hero-actions {
  margin-top: var(--space-4);
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Service cards --------------------------------------------------------- */

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

@media (min-width: 640px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  padding-top: var(--space-3);
  border-top: 2px solid var(--color-accent);
}

.card h3 {
  margin-bottom: var(--space-2);
}

.card p {
  color: var(--color-text-secondary);
  font-size: 1rem;
}

.card-link {
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  white-space: nowrap;
}

.card-link::after {
  content: " \2192";
}

.card--assessment { border-top-color: var(--accent-assessment); }
.card--assessment .card-link:hover { color: var(--accent-assessment); }

.card--advisory { border-top-color: var(--accent-advisory); }
.card--advisory .card-link:hover { color: var(--accent-advisory); }

.card--comprehensive { border-top-color: var(--accent-comprehensive); }
.card--comprehensive .card-link:hover { color: var(--accent-comprehensive); }

.card--workshops { border-top-width: 3px; border-top-color: var(--accent-workshops); }
.card--workshops .card-link:hover { color: var(--accent-workshops); }

.card--audit { border-top-width: 3px; border-top-color: var(--accent-audit); }
.card--audit .card-link:hover { color: var(--accent-audit); }

/* About page -------------------------------------------------------------- */

.about-hero {
  display: grid;
  gap: var(--space-4);
  align-items: start;
}

@media (min-width: 800px) {
  .about-hero {
    grid-template-columns: minmax(0, 1fr) 20rem;
    gap: var(--space-5);
  }

  .about-hero-photo {
    order: 2;
  }
}

.about-hero-photo img {
  border-radius: 2px;
  width: 100%;
  height: auto;
}

.about-section + .about-section {
  border-top: 1px solid var(--color-border);
}

/* Definition-style content blocks (services) ------------------------------ */

.content-block + .content-block {
  margin-top: var(--space-5);
}

.content-block .prose > ul,
.content-block .prose > ol {
  color: var(--color-text);
}

.related-pages-section {
  border-top: 1px solid var(--color-border);
}

.related-intro {
  color: var(--color-text-secondary);
  max-width: var(--measure);
}

.related-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

@media (min-width: 640px) {
  .related-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.related-card {
  display: block;
  padding-top: var(--space-3);
  border-top: 2px solid var(--color-accent);
  text-decoration: none;
  color: inherit;
}

.related-card h3 {
  margin-bottom: var(--space-2);
  transition: color 0.15s ease;
}

.related-card p {
  color: var(--color-text-secondary);
  font-size: 1rem;
  margin: 0;
}

.related-card:hover {
  border-top-color: var(--color-accent-deep);
}

.related-card:hover h3 {
  color: var(--color-accent-deep);
}

.related-card--assessment { border-top-color: var(--accent-assessment); }
.related-card--assessment:hover h3 { color: var(--accent-assessment); }

.related-card--advisory { border-top-color: var(--accent-advisory); }
.related-card--advisory:hover h3 { color: var(--accent-advisory); }

/* CTA band ------------------------------------------------------------- */

.cta-band {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
}

.cta-band .btn-primary {
  margin-right: var(--space-2);
}

.cta-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
  margin-top: var(--space-2);
}

.contact-secondary {
  margin: 0;
  color: var(--color-text-secondary);
}

.contact-secondary a {
  color: var(--color-accent-deep);
}

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

.site-footer {
  background: var(--color-accent-deep);
  color: #fff;
  padding-block: var(--space-6);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (min-width: 700px) {
  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.footer-logo {
  height: 1.6rem;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.9rem;
  font-weight: 500;
}

.footer-links a {
  color: #fff;
  text-decoration: none;
}

.footer-links a:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.footer-copyright {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

/* Utility spacing ---------------------------------------------------------- */

.mt-0 { margin-top: 0; }

/* Phase diagram (Comprehensive) ------------------------------------------- */

.phase-figure {
  margin: var(--space-4) 0 0;
}

.phase-figure-viewport {
  position: relative;
}

.phase-figure-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--space-1);
}

.phase-figure-scroll:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Keep the diagram at its natural width on small screens and scroll it,
   rather than shrinking the type past legibility. */
.phase-diagram {
  display: block;
  width: 1072px;
  max-width: none;
  height: auto;
  font-family: var(--font-body);
}

.phase-diagram .pd-band-name {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.phase-diagram .pd-band-weeks {
  font-size: 11px;
  font-weight: 500;
}

.phase-diagram .pd-on-dark { fill: #ffffff; }
.phase-diagram .pd-band-weeks.pd-on-dark { fill: rgba(255, 255, 255, 0.88); }
.phase-diagram .pd-on-light { fill: #002e35; }
.phase-diagram .pd-band-weeks.pd-on-light { fill: rgba(0, 46, 53, 0.82); }

.phase-diagram .pd-box {
  fill: #ffffff;
  stroke: #d7e2e5;
  stroke-width: 1;
}

.phase-diagram .pd-step {
  font-size: 12px;
  fill: var(--color-text);
}

.phase-diagram .pd-caption {
  font-size: 12px;
  fill: var(--color-text);
}

.phase-diagram .pd-note {
  font-size: 10.5px;
  font-style: italic;
  fill: var(--color-text-secondary);
}

/* Right-edge affordance: only while the diagram is wider than the viewport. */
.phase-figure-fade {
  position: absolute;
  top: 0;
  right: 0;
  bottom: var(--space-1);
  width: 2.75rem;
  pointer-events: none;
  background: linear-gradient(to right, rgba(255, 255, 255, 0), var(--color-bg) 92%);
}

.phase-figure-hint {
  margin-top: var(--space-2);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  text-align: right;
}

/* 1072px diagram + 2 x 1.5rem container padding + room for a scrollbar */
@media (min-width: 1140px) {
  .phase-figure-fade,
  .phase-figure-hint {
    display: none;
  }
}