/* ==========================================================================
   EYLDI — Design System
   Early Years Leadership Diversity Initiative
   ========================================================================== */

:root {
  /* Brand colors — source of truth per creative brief */
  --teal: #1a8a7a;         /* Deep teal — headings, primary links */
  --mint: #6BC8C0;         /* Mint/seafoam — accents, tags, logo mark */
  --mauve: #9F79AC;        /* Mauve/plum — secondary headings, pull-quote marks */
  --slate-purple: #837895; /* Muted slate-purple — alternate heading tone */
  --coral: #E2693F;        /* Coral — Join the Conversation / community accents */
  --gold: #C98A2E;         /* Gold — video & media-coming-soon accents */
  --cream: #F2E9D2;        /* Cream/ivory — pull-quote bg, warm breaks */
  --ink: #221F1F;          /* Near-black — body copy */
  --white: #FFFFFF;

  /* Derived tones for depth without leaving the palette */
  --teal-dark: #136b5e;
  --teal-tint: #e4f3f0;
  --mint-tint: #eaf8f6;
  --mauve-tint: #f3edf5;
  --coral-tint: #fbe9e1;
  --gold-tint: #f8ecd3;
  --cream-deep: #ead9ad;
  --ink-soft: #4a4646;
  --border-soft: rgba(34, 31, 31, 0.12);

  /* Text-safe variants: same hue family, darkened to clear WCAG AA (4.5:1)
     for small-text use. Brand mauve/slate-purple at full strength stay in use
     for large headings, decorative marks, and the wordmark, which meet the
     lower 3:1 large-text threshold as-is. */
  --mauve-text: #775A81;
  --slate-purple-text: #686077;
  --coral-text: #b8502b;
  --gold-text: #8c6319;

  /* Type */
  --font-serif: 'EB Garamond', 'Iowan Old Style', 'Palatino Linotype', Georgia, serif;
  --font-sans: 'Helvetica Neue', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;

  /* Rhythm */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --space-2xl: 7rem;

  --radius: 14px;
  --radius-sm: 8px;
  --max-width: 1180px;
  --shadow-soft: 0 8px 30px rgba(34, 31, 31, 0.08);
  --transition: 220ms ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--white);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--teal); text-decoration-thickness: 1.5px; text-underline-offset: 2px; }
ul, ol { padding-left: 1.25em; }
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.15;
  color: var(--teal);
  margin: 0 0 var(--space-sm);
}
h1 { font-size: clamp(2.1rem, 4.2vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); color: var(--mauve); }
h4 { font-size: 1.15rem; color: var(--slate-purple-text); }
p { margin: 0 0 var(--space-sm); }
.serif { font-family: var(--font-serif); }

/* Visually-hidden but accessible */
.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;
}
.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--teal); color: var(--white);
  padding: 0.75rem 1.25rem; z-index: 1000; border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 3px solid var(--mauve);
  outline-offset: 2px;
}

/* ---------- Layout helpers ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}
.section { padding: var(--space-2xl) 0; }
.section--tight { padding: var(--space-xl) 0; }
.section--cream { background: var(--cream); }
.section--teal { background: var(--teal); color: var(--white); }
.section--teal h2, .section--teal h3, .section--teal h4 { color: var(--white); }
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--mauve-text);
  margin-bottom: var(--space-xs);
}
.section-head {
  max-width: 760px;
  margin: 0 0 var(--space-lg);
}
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.lede { font-size: 1.2rem; color: var(--ink-soft); }

/* Signature five-segment divider (used sparingly, per brief) */
.brand-divider {
  display: flex;
  height: 6px;
  width: 92px;
  border-radius: 4px;
  overflow: hidden;
  margin: 0 auto var(--space-md);
}
.brand-divider--left { margin-left: 0; }
.brand-divider span { flex: 1; }
.brand-divider span:nth-child(1) { background: var(--cream-deep); }
.brand-divider span:nth-child(2) { background: var(--slate-purple); }
.brand-divider span:nth-child(3) { background: var(--teal); }
.brand-divider span:nth-child(4) { background: var(--mauve); }
.brand-divider span:nth-child(5) { background: var(--mint); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  text-decoration: none;
  line-height: 1.1;
  min-height: 48px;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-coral {
  background: var(--coral);
  color: var(--white);
}
.btn-coral:hover { background: var(--coral-text); color: var(--white); }

.btn-primary {
  background: var(--teal);
  color: var(--white);
}
.btn-primary:hover { background: var(--teal-dark); color: var(--white); }

.btn-secondary {
  background: transparent;
  color: var(--teal);
  border-color: var(--teal);
}
.btn-secondary:hover { background: var(--teal); color: var(--white); }

.btn-ghost-inverse {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn-ghost-inverse:hover { background: rgba(255,255,255,0.15); }

.btn-block { width: 100%; }

/* ---------- Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: var(--white);
  border-bottom: 1px solid var(--border-soft);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
  gap: var(--space-sm);
}
.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  text-decoration: none;
  font-family: var(--font-serif);
  color: var(--teal);
  font-weight: 700;
}
.nav-logo span { display: block; }
.nav-logo .l1, .nav-logo .l4 { font-size: 0.62rem; letter-spacing: 0.22em; color: var(--slate-purple); font-weight: 600; text-transform: uppercase; font-family: var(--font-sans); }
.nav-logo .l2 { font-size: 1.15rem; color: var(--teal); }
.nav-logo .l3 { font-size: 1.15rem; color: var(--mauve); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover, .nav-links a.is-active { border-color: var(--mint); color: var(--teal); }

.nav-item--dropdown { position: relative; }
.nav-dropdown {
  list-style: none;
  margin: 0;
  padding: 0.4rem;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
  min-width: 170px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 50;
}
.nav-item--dropdown:hover .nav-dropdown,
.nav-item--dropdown:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown li { list-style: none; }
.nav-dropdown a {
  display: block;
  padding: 0.6rem 0.7rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  border-radius: var(--radius-sm);
  border-bottom: none;
  white-space: nowrap;
}
.nav-dropdown a:hover { background: var(--mint-tint); color: var(--teal); border-color: transparent; }

.nav-actions { display: flex; align-items: center; gap: var(--space-sm); }

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--teal);
  border-radius: var(--radius-sm);
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle .bar { display: block; width: 20px; height: 2px; background: var(--teal); position: relative; }
.nav-toggle .bar::before, .nav-toggle .bar::after { content: ''; position: absolute; left: 0; width: 20px; height: 2px; background: var(--teal); transition: transform var(--transition); }
.nav-toggle .bar::before { top: -6px; }
.nav-toggle .bar::after { top: 6px; }

@media (max-width: 880px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    inset: 64px 0 0 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-lg) var(--space-md);
    gap: var(--space-md);
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
  }
  .nav-links.is-open { transform: translateX(0); }
  .nav-links a { font-size: 1.2rem; }

  .nav-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0.3rem 0 0 1rem;
    min-width: 0;
  }
  .nav-dropdown a { font-size: 1rem; padding: 0.5rem 0.4rem; color: var(--ink-soft); }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--mint-tint) 0%, var(--white) 70%);
  background-size: 200% 200%;
  animation: heroDrift 18s ease-in-out infinite;
  padding: var(--space-2xl) 0 var(--space-xl);
  position: relative;
  overflow: hidden;
}
.hero::before,
.hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  right: -120px; top: -120px;
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(107,200,192,0.35), transparent 70%);
  animation: heroFloat1 14s ease-in-out infinite;
}
.hero::before {
  left: -100px; bottom: -140px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(255,255,255,0.75), transparent 70%);
  animation: heroFloat2 16s ease-in-out infinite;
}
@keyframes heroDrift {
  0%   { background-position: 0% 0%; }
  50%  { background-position: 100% 40%; }
  100% { background-position: 0% 0%; }
}
@keyframes heroFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(-30px, 40px) scale(1.08); }
}
@keyframes heroFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(30px, -30px) scale(1.05); }
}
@media (prefers-reduced-motion: reduce) {
  .hero, .hero::before, .hero::after { animation: none; }
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-xl);
  align-items: center;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
}
.hero-eyebrow {
  color: var(--mauve-text);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: var(--space-xs);
}
.hero h1 { margin-bottom: var(--space-sm); }
.hero-sub { font-size: 1.25rem; color: var(--ink-soft); max-width: 46ch; margin-bottom: var(--space-md); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-bottom: var(--space-lg); }

.hero-art {
  border-radius: var(--radius);
  background: linear-gradient(155deg, var(--teal) 0%, var(--mauve) 100%);
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.hero-art .shape {
  position: absolute;
  border-radius: 50%;
}
.hero-art .shape--1 { width: 220px; height: 220px; background: rgba(255,255,255,0.12); top: -40px; left: -40px; animation: heroFloat2 12s ease-in-out infinite; }
.hero-art .shape--2 { width: 160px; height: 160px; background: rgba(107,200,192,0.35); bottom: -30px; right: -20px; animation: heroFloat1 15s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce) {
  .hero-art .shape--1, .hero-art .shape--2 { animation: none; }
}
.hero-art .placeholder-note {
  position: relative;
  color: rgba(255,255,255,0.92);
  text-align: center;
  padding: var(--space-md);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  max-width: 32ch;
}

/* Stat strip */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
@media (max-width: 760px) {
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
}
.stat {
  text-align: left;
  border-left: 3px solid var(--mint);
  padding-left: 0.85rem;
}
.stat-num {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--teal);
  display: block;
  line-height: 1;
}
.stat-label {
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin-top: 0.3rem;
  display: block;
}

/* ---------- Pull quote ---------- */
.pull-quote {
  background: var(--cream);
  border-radius: var(--radius);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  position: relative;
}
.pull-quote .mark {
  font-family: var(--font-serif);
  font-size: 4rem;
  color: var(--mauve);
  line-height: 1;
  display: block;
}
.pull-quote blockquote {
  margin: 0 auto var(--space-sm);
  max-width: 62ch;
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-style: italic;
  color: var(--teal);
  line-height: 1.4;
}
.pull-quote cite {
  font-style: normal;
  font-weight: 600;
  color: var(--slate-purple-text);
  font-size: 0.95rem;
}

/* ---------- Cards / grids ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
@media (min-width: 601px) and (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
}

.card {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: var(--space-md);
}
.card--cream { background: var(--cream); border-color: transparent; }

.value-card {
  padding: var(--space-md);
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--border-soft);
  transition: box-shadow var(--transition), transform var(--transition);
}
.value-card:hover { box-shadow: var(--shadow-soft); transform: translateY(-2px); }
.value-card .icon-dot {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--mint-tint);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-sm);
  font-size: 1.2rem;
}

.belief-banner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}
@media (max-width: 760px) { .belief-banner { grid-template-columns: 1fr; } }
.belief-banner .belief {
  background: var(--teal);
  color: var(--white);
  border-radius: var(--radius);
  padding: var(--space-lg);
}
.belief-banner .belief:nth-child(2) { background: var(--mauve); }
.belief-banner .belief h3 { color: var(--white); margin-bottom: 0.4rem; }
.belief-banner .belief p { color: rgba(255,255,255,0.9); margin: 0; }

/* Team cards */
.team-era-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  background: var(--mint-tint);
  color: var(--teal-dark);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-bottom: var(--space-md);
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}
.team-grid--compact {
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-lg);
}
.team-card { text-align: left; }
.team-grid--compact .team-card {
  padding: 0.85rem 0;
  border-top: 1px solid var(--border-soft);
}
.team-name { font-weight: 700; margin-bottom: 0.1rem; }
.team-title { font-size: 0.88rem; color: var(--slate-purple-text); margin-bottom: 0.4rem; }
.team-bio { font-size: 0.88rem; color: var(--ink-soft); }
.team-grid--compact .team-bio { font-size: 0.83rem; }

/* Placeholder tag convention */
.placeholder-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: #fff3cd;
  color: #7a5c00;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  margin-left: 0.4rem;
  vertical-align: middle;
}

/* Sponsor credit */
.sponsor-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  align-items: center;
  justify-content: center;
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-soft);
}
.sponsor-logo {
  display: flex;
  align-items: center;
  gap: 0.6em;
  color: var(--slate-purple-text);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  transition: opacity var(--transition);
}
.sponsor-logo:hover { opacity: 0.75; }
.sponsor-logo-img {
  height: 34px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
}

/* ---------- Video placeholder (gold accent — media coming soon) ---------- */
.video-placeholder {
  display: flex;
  align-items: center;
  gap: 0.7em;
  background: var(--gold-tint);
  border-left: 4px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 0.85rem 1rem;
  margin-top: var(--space-md);
  font-size: 0.9rem;
  color: var(--gold-text);
}
.video-placeholder .vp-icon { font-size: 1.2rem; flex-shrink: 0; }

/* ---------- Join the Conversation (coral accent — community of practice) ---------- */
.cop-panel {
  background: var(--coral-tint);
  border-radius: var(--radius);
  padding: var(--space-lg);
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.cop-panel .section-eyebrow { color: var(--coral-text); }
.cop-panel p { color: var(--ink-soft); }
.cop-note { font-size: 0.85rem; color: var(--slate-purple-text); margin-top: var(--space-sm); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.85);
  padding: var(--space-xl) 0 var(--space-lg);
}
.site-footer a { color: var(--mint); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { color: var(--mint); margin-bottom: var(--space-sm); }
.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: var(--space-sm);
}
.footer-citation {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: var(--space-md);
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
  color: rgba(255,255,255,0.6);
}

/* ---------- Ripple / systems story (homepage) ---------- */
.ripple-flow {
  display: flex;
  align-items: stretch;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
  flex-wrap: wrap;
}
.ripple-step {
  flex: 1;
  min-width: 200px;
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: var(--space-md);
  text-align: center;
}
.ripple-step .ripple-icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--mint-tint);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin: 0 auto var(--space-xs);
}
.ripple-step h4 { margin-bottom: 0.3rem; }
.ripple-step p { font-size: 0.9rem; color: var(--ink-soft); margin: 0; }
.ripple-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--teal);
  flex-shrink: 0;
}
@media (max-width: 760px) {
  .ripple-flow { flex-direction: column; }
  .ripple-arrow { transform: rotate(90deg); padding: 0.2rem 0; }
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.visually-muted { color: var(--ink-soft); }
.tag {
  display: inline-block;
  background: var(--mint-tint);
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  margin: 0 0.3rem 0.3rem 0;
}
.tag--mauve { background: var(--mauve-tint); color: var(--mauve-text); }
.tag--gold { background: var(--gold-tint); color: var(--gold-text); }
.tag--coral { background: var(--coral-tint); color: var(--coral-text); }

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.9rem;
  font-weight: 700;
}