/* ============================================================
   DONORS COLLECTIVE — UNIFIED DESIGN SYSTEM v3
   "Grounded Innovation" — Premium Navy × Gold
   Single source of truth for all 17 pages.
   ============================================================ */

/* ---------- DESIGN TOKENS ---------- */
:root {
  /* Brand colours */
  --forest:        #12344D;
  --premium:       #0F172A;
  --accent:        #D4A017;
  --clay:          #C77B4F;
  --gold:          #E8A23D;
  --oatmeal:       #F7F2EA;
  --oatmeal-deep:  #EFE7D8;
  --charcoal:      #2B2724;
  --charcoal-soft: #5A554F;
  --line:          rgba(43,39,36,0.12);
  --white:         #FFFFFF;
  --success:       #059669;
  --error:         #DC2626;

  /* Typography */
  --font-head: "Fraunces","Georgia",serif;
  --font-body: "Inter",-apple-system,BlinkMacSystemFont,sans-serif;

  /* Spacing scale */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 96px;

  /* Radius */
  --radius:    8px;
  --radius-lg: 14px;

  /* Layout */
  --max: 1200px;
  --nav-h: 72px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(15,23,42,0.06);
  --shadow-md: 0 8px 24px rgba(15,23,42,0.08);
  --shadow-lg: 0 20px 40px rgba(15,23,42,0.12);
}

/* ---------- RESET ---------- */
*,*::before,*::after { box-sizing: border-box; }
html {
  font-size: 17px;         /* 17px universal base — same on every page */
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion:reduce){
  html { scroll-behavior:auto; }
  *   { animation:none !important; transition:none !important; }
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;         /* 17px */
  line-height: 1.65;
  color: var(--charcoal);
  background: var(--oatmeal);
  -webkit-font-smoothing: antialiased;
}

/* ---------- TYPOGRAPHY ---------- */
h1,h2,h3,h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 var(--space-2);
  color: var(--forest);
}
h1 { font-size: clamp(2.4rem,5vw,3.8rem); font-weight: 500; }
h2 { font-size: clamp(1.8rem,3vw,2.8rem); }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.1rem; }

p {
  margin: 0 0 var(--space-2);
  color: var(--charcoal-soft);
  max-width: 640px;
  line-height: 1.7;
}
p:last-child { margin-bottom: 0; }

a {
  color: var(--forest);
  text-decoration: none;
  transition: color .2s;
}
a:hover { color: var(--clay); }

strong { color: var(--charcoal); }

.lede {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--charcoal-soft);
  max-width: 640px;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clay);
  display: block;
  margin-bottom: var(--space-1);
}

/* ---------- LAYOUT ---------- */
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--space-3);
}
section {
  padding: var(--space-5) 0;
}
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: center;
}
@media (max-width:900px){
  .split { grid-template-columns:1fr; gap:var(--space-3); }
}

/* ---------- NAVIGATION ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--forest);
  color: var(--oatmeal);
  padding: 10px 18px;
  font-size: .875rem;
  font-weight: 600;
  z-index: 9999;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; top: 0; }

.nav {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--nav-h);
  background: rgba(247,242,234,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: background .3s;
}
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--space-3);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.brand-logo {
  height: 34px;
  display: block;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;            /* compact — prevents wrapping at 8 items */
  flex: 1;
  justify-content: center;
}
.nav-links a {
  font-size: .875rem;   /* 14.9px — identical on every page */
  font-weight: 500;
  color: var(--charcoal);
  white-space: nowrap;  /* never wraps to two lines */
  position: relative;
  padding: 4px 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0; width: 0;
  height: 2px;
  background: var(--accent);
  transition: width .25s;
}
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { width: 100%; }
.nav-links a:hover { color: var(--premium); }
.nav-links a[aria-current="page"] { color: var(--forest); font-weight: 600; }

/* Nav CTA */
.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--forest);
  padding: 4px;
  line-height: 1;
}

@media (max-width: 1100px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.nav-links-open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--oatmeal);
    border-bottom: 1px solid var(--line);
    padding: var(--space-2) var(--space-3) var(--space-3);
    gap: var(--space-2);
    box-shadow: var(--shadow-md);
    z-index: 199;
  }
  .nav-links.nav-links-open a { font-size: 1rem; }
  .nav-cta .btn-ghost { display: none; }
}

/* ---------- HEALTH CAMP ANNOUNCEMENT BANNER ---------- */
.health-camp-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  background: linear-gradient(90deg,var(--gold),var(--accent));
  color: var(--premium);
  text-decoration: none;
  padding: 13px 24px;
}
.health-camp-banner-text { font-size: .9rem; }
.health-camp-banner-text strong { font-family: var(--font-head); }
.health-camp-banner-btn {
  display: inline-block;
  background: var(--premium);
  color: var(--oatmeal);
  font-weight: 600;
  font-size: .875rem;
  padding: 7px 18px;
  border-radius: 100px;
  white-space: nowrap;
  transition: transform .2s;
}
.health-camp-banner:hover .health-camp-banner-btn { transform: translateY(-1px); }
@media (max-width:600px){ .health-camp-banner-text { font-size:.82rem; } }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 26px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .2s,background .2s,border-color .2s,box-shadow .2s;
  text-decoration: none;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-primary {
  background: var(--gold);
  color: var(--premium);
  border-color: var(--gold);
}
.btn-primary:hover { background: #f0ad52; border-color:#f0ad52; color:var(--premium); }
.btn-ghost {
  background: transparent;
  color: var(--forest);
  border-color: var(--forest);
}
.btn-ghost:hover {
  background: var(--forest);
  color: var(--oatmeal);
}
.btn-outline {
  background: transparent;
  color: var(--oatmeal);
  border-color: rgba(247,242,234,.45);
}
.btn-outline:hover {
  border-color: var(--oatmeal);
  background: rgba(247,242,234,.1);
  color: var(--oatmeal);
}
.btn-sm {
  padding: 8px 16px;
  font-size: .8rem;
}

/* ---------- HOMEPAGE HERO ---------- */
.hero {
  padding: var(--space-6) 0 var(--space-5);
  background: radial-gradient(ellipse at top right,rgba(199,123,79,.08),transparent 55%),var(--oatmeal);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-5);
  align-items: center;
}
.hero-content h1 { margin-bottom: var(--space-3); }
.hero-image {
  width: 100%;
  max-width: 460px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(212,160,23,.2);
  display: block;
}
@media (max-width:900px){
  .hero-grid { grid-template-columns:1fr; }
  .hero-image-wrap { display:none; }
}

/* Persona switch */
.persona-switch {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px,1fr));
  gap: 14px;
  margin-top: var(--space-4);
}
.persona-btn {
  text-align: left;
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  transition: border-color .25s,transform .25s,box-shadow .25s;
  position: relative;
  display: block;
  text-decoration: none;
}
.persona-btn:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  color: inherit;
}
.persona-btn .label {
  display: block;
  font-weight: 600;
  font-size: 1rem;
  color: var(--forest);
  margin-bottom: 4px;
}
.persona-btn .sub {
  font-size: .85rem;
  color: var(--charcoal-soft);
  margin: 0;
  max-width: none;
}
.persona-btn .arrow {
  position: absolute;
  right: 18px;
  bottom: 18px;
  color: var(--clay);
  font-size: 1rem;
  transition: transform .2s;
}
.persona-btn:hover .arrow { transform: translateX(3px); }

/* ---------- INTERIOR PAGE HEADER ---------- */
.page-header {
  padding: var(--space-5) 0 var(--space-4);
  background: var(--oatmeal-deep);
  border-bottom: 1px solid var(--line);
}
.page-intro {
  font-size: 1.1rem;
  color: var(--charcoal-soft);
  max-width: 640px;
  margin-top: var(--space-2);
  line-height: 1.7;
}

/* Dark hero for tool pages (Tax Calculator, COMPASS, Recurring Giving) */
.tool-hero {
  padding: var(--space-5) 0 var(--space-4);
  background: linear-gradient(135deg,var(--premium) 0%,#1b3d5c 55%,var(--forest) 100%);
  position: relative;
  overflow: hidden;
}
.tool-hero::before {
  content:'';
  position:absolute;
  inset:0;
  background: radial-gradient(ellipse at 75% 50%,rgba(232,162,61,.09) 0%,transparent 65%);
  pointer-events:none;
}
.tool-hero h1 { color:var(--oatmeal); }
.tool-hero p  { color:rgba(247,242,234,.72); }
.tool-eyebrow {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.tool-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: var(--space-3);
}
.tool-badge {
  background: rgba(247,242,234,.08);
  border: 1px solid rgba(247,242,234,.15);
  border-radius: 100px;
  padding: 4px 14px;
  font-size: .75rem;
  color: rgba(247,242,234,.75);
  font-weight: 500;
}

/* ---------- TRUST BADGES (verified nonprofit pills) ---------- */
.trust-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: var(--space-3);
}
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--charcoal);
  color: #fff;
  border-radius: 100px;
  padding: 9px 18px;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: -.005em;
}
.trust-badge svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ---------- CARDS ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(260px,1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-3);
  transition: transform .25s,border-color .25s,box-shadow .25s;
}
.card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}
.card h3 { margin-bottom: 8px; }
.card p  { font-size: .92rem; }
.card a  { font-size: .9rem; font-weight: 600; color: var(--clay); }
.card a:hover { color: var(--forest); }

/* ---------- PILLAR CARDS (How It Works) ---------- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.pillar-card {
  background: var(--white);
  border-top: 3px solid var(--clay);
  border-radius: var(--radius);
  padding: var(--space-3);
  transition: transform .25s,box-shadow .25s;
}
.pillar-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-md); }
.pillar-card h3 { margin-bottom: 10px; }
.pillar-num {
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--clay);
  display: block;
  margin-bottom: 8px;
}
@media (max-width:900px){ .pillars { grid-template-columns:1fr; } }

/* ---------- PROCESS STEPS ---------- */
.process-graphics {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 20px;
  margin-top: var(--space-4);
}
.process-step {
  flex: 1;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-3);
  position: relative;
  transition: transform .25s,border-color .25s,box-shadow .25s;
}
.process-step:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}
.process-step-num {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}
.process-step h3 { margin-bottom: 8px; font-size: 1.25rem; }
.process-step p  { font-size: .9rem; margin-bottom: 0; }
.process-divider { display:flex; align-items:center; color:var(--accent); }
.process-divider svg { width:24px; height:24px; }
.feedback-loop-indicator {
  margin-top: var(--space-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  color: var(--clay);
  font-size: .85rem;
  font-weight: 500;
}
@media (max-width:768px){
  .process-graphics { flex-direction:column; }
  .process-divider  { justify-content:center; transform:rotate(90deg); margin:10px 0; }
}

/* ---------- DATA TABLE / LEDGER ---------- */
.ledger-wrap {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: var(--space-3);
  box-shadow: var(--shadow-sm);
}
table.ledger {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}
table.ledger th {
  text-align: left;
  background: var(--oatmeal-deep);
  color: var(--forest);
  font-weight: 600;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line);
}
table.ledger td {
  padding: 13px 18px;
  border-top: 1px solid var(--line);
}
table.ledger tr:hover td { background:rgba(247,242,234,.4); }
table.ledger td.amount { font-weight:600; color:var(--forest); }
.status-pill {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  background: rgba(18,52,77,.08);
  color: var(--forest);
}

/* ---------- FORMS ---------- */
.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: var(--shadow-md);
}
.form-row { margin-bottom: var(--space-2); }
.form-row label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--forest);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: .95rem;
  background: var(--oatmeal);
  color: var(--charcoal);
  transition: border-color .2s;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: 2px solid var(--gold);
  outline-offset: 1px;
  border-color: transparent;
}

/* ---------- CTA BAND ---------- */
.cta-band {
  background: var(--forest);
  color: var(--oatmeal);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.cta-band h2 { color:var(--oatmeal); margin-bottom:var(--space-2); }
.cta-band p  { color:rgba(247,242,234,.78); max-width:560px; margin:0 auto var(--space-3); }
.cta-band .btn-primary { margin-top: 0; }

/* ---------- TAG / PILL ---------- */
.tag {
  display: inline-block;
  background: rgba(199,123,79,.1);
  color: var(--clay);
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
  letter-spacing: .03em;
}

/* ---------- FOOTER ---------- */
footer {
  background: var(--charcoal);
  color: rgba(247,242,234,.65);
  padding: var(--space-5) 0 var(--space-3);
  font-size: .88rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
.footer-grid h4 {
  color: var(--oatmeal);
  font-family: var(--font-body);
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: var(--space-2);
}
.footer-grid a {
  display: block;
  color: rgba(247,242,234,.6);
  margin-bottom: 8px;
  font-size: .85rem;
  width: fit-content;
}
.footer-grid a:hover { color:var(--gold); }
.footer-mission {
  padding-top: var(--space-3);
  border-top: 1px solid rgba(247,242,234,.1);
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(240px,1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.footer-mission-col h4 {
  color: var(--oatmeal);
  font-family: var(--font-body);
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 8px;
}
.footer-mission-col p {
  font-size: .8rem;
  color: rgba(247,242,234,.55);
  line-height: 1.6;
  max-width: none;
}
.footer-bottom {
  border-top: 1px solid rgba(247,242,234,.12);
  padding-top: var(--space-2);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .78rem;
  color: rgba(247,242,234,.45);
}
@media (max-width:900px){
  .footer-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width:500px){
  .footer-grid { grid-template-columns:1fr; }
  .footer-bottom { flex-direction:column; }
}

/* ---------- SECTION VARIANTS ---------- */
.section-alt   { background:var(--oatmeal-deep); }
.section-white { background:var(--white); }
.section-dark  { background:var(--forest); }
.section-dark h2,.section-dark h3 { color:var(--oatmeal); }
.section-dark p { color:rgba(247,242,234,.78); }

/* ---------- ANIMATIONS ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .75s cubic-bezier(.16,1,.3,1),
              transform .75s cubic-bezier(.16,1,.3,1);
}
.reveal.reveal-active { opacity:1; transform:translateY(0); }

/* ---------- UTILITIES ---------- */
.text-center  { text-align:center; }
.mt-0         { margin-top:0; }
.center-col   { max-width:720px; margin:0 auto; text-align:center; }
.hidden       { display:none !important; }
.visually-hidden {
  position:absolute; width:1px; height:1px;
  padding:0; margin:-1px; overflow:hidden;
  clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* ---------- PAGE-INTRO SUBTITLE ---------- */
.page-header h1 { margin-bottom: 12px; }
.page-header .eyebrow { margin-bottom: var(--space-1); }

/* ---------- PRINT ---------- */
@media print {
  .nav,.skip-link,footer,nav { display:none !important; }
  body { background:#fff; color:#000; }
  .page-header { background:#f5f5f5; }
}