/* ============================================
   BDI — Design tokens
   Navy + orange drawn from the mark; cream paper
   ground; sage as a quiet third accent for the
   food-security theme only.
   ============================================ */
:root{
  --navy: #1D2A4C;
  --navy-deep: #14203B;
  --orange: #E67A2E;
  --orange-deep: #C4611D;
  --cream: #FAF5EC;
  --paper: #F3ECDF;
  --ink: #241F19;
  --ink-soft: #5B564C;
  --sage: #6E8C6A;
  --line: rgba(36,31,25,0.14);

  --serif: "Fraunces", Georgia, serif;
  --sans: "Work Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max: 1160px;
  --radius: 3px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3{
  font-family: var(--serif);
  color: var(--navy);
  line-height: 1.12;
  margin: 0 0 0.5em;
  font-weight: 600;
}
h2{ font-size: clamp(1.8rem, 3vw, 2.5rem); }
h3{ font-size: 1.2rem; font-weight: 600; }
p{ margin: 0 0 1em; max-width: 66ch; }
a{ color: var(--orange-deep); }
ul{ padding-left: 0; list-style: none; }
img{ max-width:100%; display:block; }

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.sr-only{
  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(--navy); color:#fff; padding:10px 16px;
  z-index:200;
}
.skip-link:focus{ left:16px; top:16px; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.001ms !important; transition-duration:0.001ms !important; }
}

/* ============ Buttons ============ */
.btn{
  display:inline-block;
  font-family: var(--sans);
  font-weight:600;
  font-size:0.95rem;
  padding: 13px 26px;
  border-radius: var(--radius);
  text-decoration:none;
  border:1.5px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary{
  background: var(--orange);
  color: #fff;
}
.btn-primary:hover{ background: var(--orange-deep); }
.btn-outline{
  border-color: var(--navy);
  color: var(--navy);
}
.btn-outline:hover{ background: var(--navy); color:#fff; }
.btn-block{ width:100%; text-align:center; }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline: 3px solid var(--orange-deep);
  outline-offset: 2px;
}

/* ============ Header ============ */
.site-header{
  position: sticky; top:0; z-index:100;
  background: rgba(250,245,236,0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:10px; padding-bottom:10px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  text-decoration:none; color:var(--navy);
}
.brand-mark{ width:42px; height:auto; }
.brand-name{
  font-family: var(--serif);
  font-weight:600;
  font-size:0.82rem;
  line-height:1.15;
  letter-spacing:0.01em;
}
.primary-nav{ display:flex; align-items:center; gap:28px; }
.primary-nav a{
  color: var(--ink);
  text-decoration:none;
  font-size:0.95rem;
  font-weight:500;
  padding:6px 0;
  border-bottom:2px solid transparent;
}
.primary-nav a:hover, .primary-nav a.active{
  color: var(--navy);
  border-bottom-color: var(--orange);
}
.primary-nav a.nav-cta{
  background: var(--navy);
  color:#fff;
  padding:9px 18px;
  border-radius: var(--radius);
  border-bottom:none;
}
.primary-nav a.nav-cta:hover{ background: var(--navy-deep); }

.nav-toggle{
  display:none;
  flex-direction:column; gap:5px;
  background:none; border:none; cursor:pointer;
  padding:8px;
}
.nav-toggle span{
  width:24px; height:2px; background:var(--navy); display:block;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  padding: 88px 0 72px;
  background: linear-gradient(180deg, var(--cream) 0%, var(--paper) 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  max-width: 1200px;
  display:grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 460px);
  align-items:center;
  gap: clamp(24px, 4vw, 64px);
}
.hero-copy{ max-width: 620px; }
.kicker{
  font-size:0.85rem;
  color: var(--ink-soft);
  margin-bottom: 14px;
  font-weight: 600;
}
.hero h1{
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  margin-bottom: 22px;
  letter-spacing: -0.04em;
}
.hero-lede{
  font-size:1.12rem;
  color: var(--ink-soft);
  max-width: 46ch;
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-top: 12px; }
.hero-visual{
  position:relative;
  justify-self:end;
  width:min(100%, 460px);
  margin:0;
}
.hero-visual picture{ display:block; }
.hero-visual img{
  width:100%;
  height:auto;
  aspect-ratio: 4 / 5;
  object-fit:cover;
  object-position: 50% 45%;
  border-radius: var(--radius);
  box-shadow: 0 18px 44px rgba(29,42,76,0.16);
  display:block;
}
.hero-badge{
  position:absolute;
  left: 0;
  bottom: 24px;
  background: rgba(250,245,236,0.96);
  color: var(--navy);
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 14px 18px;
  max-width: 250px;
  text-align:left;
  box-shadow: 0 12px 28px rgba(29,42,76,0.14);
}
.hero-badge strong{
  display:block;
  font-size:0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom:4px;
}
.hero-badge span{
  display:block;
  font-size:0.82rem;
  line-height:1.45;
  color: var(--ink-soft);
}

/* ============ Statement band ============ */
.statement{
  background: var(--navy);
  padding: 64px 0;
}
.statement-inner{ max-width: 780px; }
.statement-text{
  font-family: var(--serif);
  color: #fff;
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  font-weight: 500;
  line-height:1.5;
  max-width: none;
}

/* ============ Sections shared ============ */
.section{ padding: 88px 0; }
.section-head{ max-width: 720px; margin-bottom: 48px; }
.section-sub{ color: var(--ink-soft); font-size:1.05rem; }

.two-col{
  display:grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: clamp(30px, 4vw, 56px);
  align-items:start;
}
.col-label{ max-width: 280px; }
.col-label h2{ position: sticky; top: 96px; }
.col-body{
  width:min(100%, 720px);
  margin-inline: auto;
}
.col-body .lead{
  font-size:1.15rem;
  color: var(--ink);
  font-weight:500;
}

/* ============ About ============ */
.vm-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 32px 0 40px;
}
.vm-card{
  border-left: 3px solid var(--orange);
  padding: 4px 0 4px 20px;
}
.vm-card h3{ margin-bottom:8px; }
.vm-card p{ color: var(--ink-soft); font-size:0.98rem; }

.values-heading{ margin-top: 8px; }
.values-list{ border-top:1px solid var(--line); }
.value-row{
  display:grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  padding: 16px 0;
  border-bottom:1px solid var(--line);
}
.value-row dt{
  font-family: var(--serif);
  font-weight:600;
  color: var(--navy);
}
.value-row dd{ margin:0; color: var(--ink-soft); max-width:56ch; }

/* ============ Our work / pillars ============ */
.work{ background: var(--paper); }
.pillars{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.pillar{
  background: var(--paper);
  padding: 32px 28px 36px;
}
.pillar h3{
  border-bottom: 2px solid var(--orange);
  padding-bottom: 14px;
  margin-bottom: 16px;
  min-height: 3.2em;
}
.pillar > p{ color: var(--ink-soft); font-size:0.97rem; }
.tag-list{ margin: 18px 0; }
.tag-list li{
  font-size:0.88rem;
  color: var(--ink);
  padding: 7px 0;
  border-top: 1px solid var(--line);
}
.tag-list li:last-child{ border-bottom: 1px solid var(--line); }
.pillar-goal{
  font-size:0.88rem;
  font-style: italic;
  color: var(--navy);
  max-width:none;
}

/* ============ Priority: Kala-azar ============ */
.priority{
  background: var(--navy);
  color: var(--cream);
}
.priority-head{ max-width: 760px; }
.priority h2{ color: #fff; }
.priority-kicker{
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}
.priority .section-sub{ color: rgba(250,245,236,0.82); }
.priority-grid{
  display:grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(240px, 1fr);
  gap: clamp(32px, 5vw, 64px);
  align-items:start;
}
.priority-body .lead{ color:#fff; }
.priority-body p{ color: rgba(250,245,236,0.86); }
.priority-focus h3{
  color:#fff;
  font-size:1.05rem;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 12px;
  margin-bottom: 4px;
}
.focus-list li{
  padding: 11px 0 11px 18px;
  border-left: 2px solid var(--orange);
  border-bottom: 1px solid rgba(250,245,236,0.16);
  font-size:0.95rem;
  color: var(--cream);
}
.priority-call{
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
  font-weight: 500;
  line-height:1.45;
  color:#fff;
  max-width: 30ch;
  margin: clamp(36px, 5vw, 56px) 0 28px;
  padding-left: 22px;
  border-left: 3px solid var(--orange);
}
.priority-actions{ display:flex; gap:16px; flex-wrap:wrap; }
.btn-outline-light{
  border-color: rgba(250,245,236,0.5);
  color: var(--cream);
}
.btn-outline-light:hover{ background: var(--cream); color: var(--navy); }

/* ============ Approach ============ */
.process{
  display:flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 0 0 56px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.process li{
  flex: 1 1 12%;
  text-align:center;
  padding: 22px 8px;
  border-right: 1px solid var(--line);
  position:relative;
}
.process li:last-child{ border-right:none; }
.process-index{
  display:block;
  font-family: var(--serif);
  font-size:1.6rem;
  color: var(--orange);
  font-weight:600;
}
.process-label{
  display:block;
  font-size:0.85rem;
  font-weight:600;
  margin-top:4px;
  color: var(--navy);
}
.how-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px 48px;
}
.how-item h3{ font-size:1.05rem; }
.how-item p{ color: var(--ink-soft); font-size:0.97rem; }

/* ============ Impact ============ */
.impact{ background: var(--paper); }
.impact-list{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
  margin: 20px 0 24px;
}
.impact-list li{
  padding: 10px 0 10px 18px;
  border-left: 2px solid var(--sage);
  font-size:0.97rem;
}

/* ============ Governance ============ */
.org-chart{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:0;
  margin: 0 auto 40px;
  max-width: 560px;
}
.org-tier{ width:100%; }
.org-box{
  background: var(--navy);
  color:#fff;
  text-align:center;
  padding: 20px 24px;
  border-radius: var(--radius);
  font-family: var(--serif);
  font-weight:600;
  font-size:1.05rem;
}
.org-box span{
  display:block;
  font-family: var(--sans);
  font-weight:400;
  font-size:0.82rem;
  color: rgba(255,255,255,0.72);
  margin-top:6px;
}
.org-connector{
  width:2px; height:28px;
  background: var(--orange);
  margin: 0 auto;
}
.governance-note{ max-width: 760px; color: var(--ink-soft); }

/* ============ Partner ============ */
.partner-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border:1px solid var(--line);
  margin-bottom: 36px;
}
.partner-grid li{
  background: var(--cream);
  padding: 20px 18px;
  font-size:0.92rem;
  font-weight:500;
  color: var(--navy);
}
.partner-cta-text{ max-width: 60ch; }

/* ============ Contact ============ */
.contact-details{
  font-style:normal;
  margin: 28px 0 12px;
}
.contact-details div{
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.contact-details div:last-child{ border-bottom: 1px solid var(--line); }
.contact-details span{
  display:block;
  font-size:0.78rem;
  text-transform: none;
  color: var(--ink-soft);
  margin-bottom:2px;
}
.contact-details a{ color: var(--navy); font-weight:500; text-decoration:none; }
.contact-details a:hover{ text-decoration:underline; }
.placeholder-note{
  font-size:0.85rem;
  color: var(--ink-soft);
  font-style: italic;
}

.contact-form .form-row{ margin-bottom: 18px; }
.contact-form label{
  display:block;
  font-size:0.88rem;
  font-weight:600;
  color: var(--navy);
  margin-bottom:6px;
}
.contact-form input,
.contact-form select,
.contact-form textarea{
  width:100%;
  font-family: var(--sans);
  font-size:0.98rem;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus{
  border-color: var(--navy);
}
.field-error{
  display:block;
  color: #B3401A;
  font-size:0.82rem;
  min-height: 1.2em;
  margin-top:4px;
}
.form-status{
  margin-top:14px;
  font-size:0.92rem;
  font-weight:600;
  min-height:1.2em;
}
.form-status.success{ color: var(--sage); }
.form-status.error{ color:#B3401A; }

/* ============ Footer ============ */
.site-footer{
  background: var(--navy-deep);
  color: rgba(255,255,255,0.85);
  padding-top: 56px;
}
.footer-inner{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.14);
}
.footer-brand{ display:flex; gap:14px; align-items:flex-start; }
.footer-mark{ width:40px; height:auto; margin-top:4px; }
.footer-brand p{ font-size:0.9rem; color: rgba(255,255,255,0.68); margin:0; }
.footer-nav, .footer-social{ display:flex; flex-direction:column; gap:10px; }
.footer-nav a, .footer-social a{
  color: rgba(255,255,255,0.85);
  text-decoration:none;
  font-size:0.92rem;
}
.footer-nav a:hover, .footer-social a:hover{ color: var(--orange); }
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding: 20px 24px;
  font-size:0.82rem;
  color: rgba(255,255,255,0.55);
}
.back-to-top{
  background:none; border:none;
  color: rgba(255,255,255,0.7);
  font-size:0.82rem;
  cursor:pointer;
}
.back-to-top:hover{ color: var(--orange); }

/* reveal-on-scroll: single, quiet fade for section heads only */
.section-head, .statement-text{
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.section-head.in-view, .statement-text.in-view{
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 980px){
  .two-col{ grid-template-columns: 1fr; gap: 24px; }
  .col-label{ max-width:none; }
  .col-label h2{ position:static; }
  .col-body{ width:100%; }
  .hero-inner{
    grid-template-columns: 1fr;
    text-align:center;
    justify-items:center;
  }
  .hero-copy{ max-width: 700px; }
  .hero-lede{ margin-left:auto; margin-right:auto; }
  .hero-actions{ justify-content:center; }
  .hero-visual{ justify-self:center; width:min(100%, 420px); }
  .pillars{ grid-template-columns: 1fr; }
  .pillar h3{ min-height:0; }
  .how-grid{ grid-template-columns: 1fr; }
  .priority-grid{ grid-template-columns: 1fr; }
  .partner-grid{ grid-template-columns: repeat(2, 1fr); }
  .footer-inner{ grid-template-columns: 1fr; }
  .impact-list{ grid-template-columns: 1fr; }
}

@media (max-width: 820px){
  .primary-nav{
    position:absolute;
    top: 100%; left:0; right:0;
    background: var(--cream);
    border-bottom: 1px solid var(--line);
    flex-direction:column;
    align-items:flex-start;
    gap: 4px;
    padding: 12px 24px 20px;
    display:none;
  }
  .primary-nav.open{ display:flex; }
  .primary-nav a{ width:100%; padding: 10px 0; }
  .primary-nav a.nav-cta{ margin-top:8px; text-align:center; }
  .nav-toggle{ display:flex; }
  .process li{ flex: 1 1 20%; }
  .contact-form{ max-width: 100%; }
}

@media (max-width: 600px){
  .section{ padding: 64px 0; }
  .hero{ padding: 72px 0 60px; }
  .hero-actions{ flex-direction:column; width:100%; }
  .hero-actions .btn{ width:100%; text-align:center; }
  .priority-actions{ flex-direction:column; }
  .priority-actions .btn{ width:100%; text-align:center; }
  .hero-badge{
    position: static;
    margin-top: 16px;
    max-width:100%;
    border-radius: var(--radius);
  }
  .hero-visual{ width:100%; }
  .hero-visual img{ aspect-ratio: 3 / 2; object-position: 50% 50%; }
  .vm-grid{ grid-template-columns: 1fr; }
  .value-row{ grid-template-columns: 1fr; gap:6px; }
  .partner-grid{ grid-template-columns: 1fr 1fr; }
  .process li{ flex: 1 1 33%; }
  .brand-name{ display:none; }
  .footer-bottom{ flex-direction:column; gap:10px; text-align:center; }
}