/* ==========================================================================
   YIFO DESIGN SYSTEM
   Palette:  --field (deep growth green) is the dominant brand color, not the
   cliché cream/terracotta combo. Sans display type (Space Grotesk) instead
   of a high-contrast serif. Signature motif: "the furrow" — a plowed-row
   diagonal pattern + a hand-grown SVG line that sprouts through the
   "Our Approach" sequence.
   ========================================================================== */

:root{
  /* --- color tokens --- */
  --field:      #1F3A28;   /* deep growth green — primary brand */
  --field-2:    #2C5138;   /* lighter growth green for gradients/hover */
  --soil:       #171512;   /* near-black soil — body text */
  --paper:      #FFFFFF;   /* primary background */
  --husk:       #F4F1E6;   /* warm neutral secondary background */
  --sun:        #E7A93C;   /* sun gold — primary accent / CTAs */
  --clay:       #A24A22;   /* terracotta clay — sparing secondary accent */
  --rain:       #2B6E74;   /* teal — climate / digital innovation accent */
  --line:       #DDD6C4;   /* hairline border on paper */
  --line-dark:  rgba(255,255,255,.16);
  --ink-soft:   #4B4A44;   /* secondary text on paper */

  /* --- type --- */
  --display: "Space Grotesk", "Segoe UI", sans-serif;
  --body: "Inter", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  --radius: 4px;
  --radius-lg: 18px;
  --container: 1240px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  font-family:var(--body);
  color:var(--soil);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--display); margin:0; line-height:1.08; letter-spacing:-.01em; }
p{ margin:0; }
button{ font-family:inherit; }

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

/* --- eyebrow / labels (mono, used for structural signposting only) --- */
.eyebrow{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--clay);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:22px; height:1px;
  background:var(--clay);
  display:inline-block;
}
.eyebrow.on-dark{ color:var(--sun); }
.eyebrow.on-dark::before{ background:var(--sun); }

/* --- buttons --- */
.btn{
  font-family:var(--display);
  font-weight:600;
  font-size:15px;
  letter-spacing:.01em;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 26px;
  border-radius:2px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn:focus-visible{ outline:3px solid var(--rain); outline-offset:2px; }
.btn-primary{ background:var(--sun); color:var(--soil); }
.btn-primary:hover{ background:#f0b658; transform:translateY(-2px); }
.btn-outline{ background:transparent; color:var(--paper); border-color:rgba(255,255,255,.55); }
.btn-outline:hover{ border-color:#fff; transform:translateY(-2px); }
.btn-outline-dark{ background:transparent; color:var(--field); border-color:var(--field); }
.btn-outline-dark:hover{ background:var(--field); color:#fff; }
.btn-ghost{ background:transparent; color:var(--field); padding:8px 0; border-bottom:1px solid var(--field); border-radius:0; }
.btn-ghost:hover{ gap:16px; }
.btn-sm{ padding:10px 18px; font-size:13.5px; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 24px;
}
.logo{
  display:flex; align-items:center; gap:10px;
  font-family:var(--display); font-weight:700; font-size:19px; color:var(--soil);
}
.logo .mark{
  width:34px; height:34px; border-radius:50%;
  background:var(--field);
  position:relative; flex:none;
}
.logo .mark::after{
  content:"";
  position:absolute; inset:9px;
  background:var(--sun);
  clip-path:polygon(50% 0%, 61% 35%, 100% 35%, 68% 57%, 80% 100%, 50% 76%, 20% 100%, 32% 57%, 0% 35%, 39% 35%);
}
.logo small{ display:block; font-family:var(--mono); font-weight:400; font-size:10px; letter-spacing:.06em; color:var(--ink-soft); text-transform:uppercase; }

.main-nav{ display:flex; align-items:center; gap:28px; }
.main-nav a{
  font-size:14.5px; font-weight:500; color:var(--soil);
  position:relative; padding:6px 0;
}
.main-nav a::after{
  content:""; position:absolute; left:0; right:100%; bottom:0; height:2px;
  background:var(--sun); transition:right .2s ease;
}
.main-nav a:hover::after, .main-nav a.active::after{ right:0; }
.main-nav a.active{ color:var(--field); font-weight:700; }

.header-cta{ display:flex; align-items:center; gap:18px; }
.nav-toggle{
  display:none; background:none; border:none; cursor:pointer; padding:6px;
}
.nav-toggle span{ display:block; width:24px; height:2px; background:var(--soil); margin:5px 0; transition:.25s; }
.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); }

@media (max-width: 940px){
  .main-nav{
    position:fixed; inset:0 0 0 30%; top:69px; height:calc(100vh - 69px);
    background:var(--field); flex-direction:column; align-items:flex-start;
    padding:34px 28px; gap:6px; transform:translateX(100%); transition:transform .3s ease;
    overflow-y:auto;
  }
  .main-nav.open{ transform:translateX(0); }
  .main-nav a{ color:#fff; font-size:20px; padding:12px 0; width:100%; border-bottom:1px solid var(--line-dark); font-family:var(--display); }
  .main-nav a.active{ color:var(--sun); }
  .main-nav a::after{ display:none; }
  .main-nav .header-cta{ margin-top:18px; }
  .header-cta .btn-outline-dark{ display:none; }
  .nav-toggle{ display:block; }
}
@media (min-width:941px){ .header-cta .only-mobile{ display:none; } }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  position:relative;
  background:var(--field);
  color:#fff;
  overflow:hidden;
}
.hero-grid{
  display:grid; grid-template-columns:1.05fr .95fr; align-items:stretch; min-height:640px;
}
.hero-copy{
  padding:110px 5vw 90px 24px; display:flex; flex-direction:column; justify-content:center; gap:26px;
  max-width:640px; position:relative; z-index:2;
}
.hero-copy h1{
  font-size:clamp(2.4rem, 4.6vw, 4rem);
  text-transform:uppercase;
  letter-spacing:-.01em;
}
.hero-copy h1 em{ font-style:normal; color:var(--sun); }
.hero-copy .lede{ font-size:18px; color:rgba(255,255,255,.86); max-width:520px; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-top:8px; }
.hero-media{
  position:relative;
  clip-path:polygon(14% 0, 100% 0, 100% 100%, 0% 100%);
  min-height:340px;
}
.hero-media img{ width:100%; height:100%; object-fit:cover; }
.hero-media::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(0deg, rgba(23,21,18,.55), transparent 45%);
}
.furrow-band{
  position:absolute; left:0; right:0; bottom:0; height:64px;
  background-image:repeating-linear-gradient(-32deg, rgba(255,255,255,.05) 0 2px, transparent 2px 26px);
  z-index:1;
}
.hero-stats{
  display:flex; gap:0; border-top:1px solid var(--line-dark); position:relative; z-index:2;
}
.hero-stat{ padding:22px 28px; border-right:1px solid var(--line-dark); flex:1; }
.hero-stat .eyebrow{ margin-bottom:6px; }
.hero-stat p{ color:rgba(255,255,255,.78); font-size:14px; }

@media (max-width: 880px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-copy{ padding:70px 24px 46px; max-width:none; }
  .hero-media{ clip-path:polygon(0 6% ,100% 0, 100% 100%, 0 100%); min-height:280px; }
  .hero-stats{ flex-wrap:wrap; }
  .hero-stat{ flex:1 1 50%; border-bottom:1px solid var(--line-dark); }
}

/* ==========================================================================
   SECTIONS / GENERIC
   ========================================================================== */
.section{ padding:96px 0; }
.section-tight{ padding:64px 0; }
.section.alt{ background:var(--husk); }
.section.dark{ background:var(--field); color:#fff; }
.section-head{ max-width:680px; margin-bottom:52px; }
.section-head h2{ font-size:clamp(1.7rem,3vw,2.5rem); margin-top:14px; }
.section-head .lede{ margin-top:16px; color:var(--ink-soft); font-size:16.5px; }
.section.dark .section-head .lede{ color:rgba(255,255,255,.78); }
.section-head-row{ display:flex; justify-content:space-between; align-items:flex-end; gap:24px; flex-wrap:wrap; }

/* intro / who we are */
.intro-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:64px; align-items:start; }
.intro-grid blockquote{
  font-family:var(--display); font-size:clamp(1.3rem,2.3vw,1.7rem); color:var(--field);
  border-left:3px solid var(--sun); padding-left:24px; margin:0 0 22px;
}
@media (max-width:860px){ .intro-grid{ grid-template-columns:1fr; gap:32px; } }

/* thematic / card grids */
.card-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(270px,1fr)); gap:24px; }
.theme-card{
  background:var(--paper); border:1px solid var(--line);
  padding:32px 28px; position:relative;
  clip-path:polygon(0 0, 100% 0, 100% 92%, 92% 100%, 0 100%);
  transition:transform .2s ease, box-shadow .2s ease;
}
.theme-card:hover{ transform:translateY(-4px); box-shadow:0 18px 34px -22px rgba(23,21,18,.35); }
.theme-card .num{ font-family:var(--mono); font-size:12px; color:var(--clay); }
.theme-card h3{ font-size:20px; margin:14px 0 10px; color:var(--field); }
.theme-card p{ font-size:14.5px; color:var(--ink-soft); }

/* program / project cards */
.prog-card{ border:1px solid var(--line); background:#fff; display:flex; flex-direction:column; }
.prog-media{ aspect-ratio:16/10; overflow:hidden; background:var(--husk); position:relative; }
.prog-media img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.prog-card:hover .prog-media img{ transform:scale(1.06); }
.prog-status{
  position:absolute; top:14px; left:14px; background:var(--field); color:#fff;
  font-family:var(--mono); font-size:11px; letter-spacing:.06em; text-transform:uppercase;
  padding:5px 10px;
}
.prog-body{ padding:24px 24px 26px; display:flex; flex-direction:column; gap:10px; flex:1; }
.prog-body h3{ font-size:19px; }
.prog-body p{ color:var(--ink-soft); font-size:14.5px; }
.prog-meta{ display:flex; flex-wrap:wrap; gap:8px; margin-top:auto; padding-top:14px; }
.tag{ font-family:var(--mono); font-size:11px; text-transform:uppercase; letter-spacing:.05em; background:var(--husk); padding:5px 9px; color:var(--field); }

/* approach / growth line (signature sequence) */
.approach-line{ position:relative; padding-top:20px; }
.approach-steps{ display:grid; grid-template-columns:repeat(6,1fr); gap:18px; position:relative; }
.approach-steps::before{
  content:""; position:absolute; top:17px; left:0; right:0; height:2px;
  background:repeating-linear-gradient(90deg, var(--sun) 0 10px, transparent 10px 16px);
}
.approach-step{ position:relative; padding-top:44px; }
.approach-step .dot{
  position:absolute; top:0; left:0; width:36px; height:36px; border-radius:50%;
  background:var(--field); color:var(--sun); font-family:var(--mono); font-size:13px;
  display:flex; align-items:center; justify-content:center; border:3px solid var(--paper);
}
.approach-step h4{ font-size:15.5px; margin-bottom:6px; }
.approach-step p{ font-size:13.5px; color:var(--ink-soft); }
@media (max-width:900px){
  .approach-steps{ grid-template-columns:1fr; gap:26px; }
  .approach-steps::before{ top:0; bottom:0; left:17px; right:auto; width:2px; height:auto; background:repeating-linear-gradient(180deg, var(--sun) 0 10px, transparent 10px 16px); }
  .approach-step{ padding-top:0; padding-left:56px; }
  .approach-step .dot{ top:-2px; }
}

/* values */
.values-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.value-cell{ background:#fff; padding:28px 24px; }
.value-cell h4{ font-size:16px; color:var(--field); margin-bottom:8px; }
.value-cell p{ font-size:13.5px; color:var(--ink-soft); }
@media (max-width:900px){ .values-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .values-grid{ grid-template-columns:1fr; } }

/* impact metrics */
.metric-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:1px; background:var(--line-dark); border:1px solid var(--line-dark); }
.metric-cell{ background:var(--field); padding:30px 26px; }
.metric-cell .num{ font-family:var(--display); font-size:2.4rem; color:var(--sun); }
.metric-cell p{ font-size:13.5px; color:rgba(255,255,255,.78); margin-top:6px; }
.metric-note{
  border:1px dashed var(--line-dark); padding:24px; margin-top:22px; font-size:14px; color:rgba(255,255,255,.8);
  font-family:var(--mono);
}

/* stories / news */
.story-card{ display:flex; flex-direction:column; }
.story-media{ aspect-ratio:4/3; overflow:hidden; background:var(--husk); }
.story-media img{ width:100%; height:100%; object-fit:cover; }
.story-cat{ font-family:var(--mono); font-size:11px; text-transform:uppercase; color:var(--clay); letter-spacing:.06em; }
.story-card h3{ font-size:17.5px; margin:10px 0 8px; }
.story-card .meta{ font-size:12.5px; color:var(--ink-soft); margin-top:10px; }

/* team / board */
.person-card{ text-align:left; }
.person-photo{
  aspect-ratio:1/1; background:linear-gradient(135deg,var(--husk),#eae5d3);
  display:flex; align-items:center; justify-content:center; position:relative; overflow:hidden;
}
.person-photo .initials{ font-family:var(--display); font-size:2.4rem; color:var(--field); opacity:.4; }
.person-card h4{ font-size:16.5px; margin-top:14px; }
.person-card .role{ font-family:var(--mono); font-size:12px; color:var(--clay); text-transform:uppercase; letter-spacing:.05em; margin-top:4px; }

/* organogram */
.org-chart{ display:flex; flex-direction:column; align-items:center; gap:0; }
.org-node{
  background:#fff; border:1px solid var(--line); padding:16px 22px; text-align:center; min-width:220px;
  font-family:var(--display); font-weight:600; font-size:14.5px;
}
.org-node.top{ background:var(--field); color:#fff; border-color:var(--field); }
.org-node small{ display:block; font-family:var(--mono); font-weight:400; text-transform:uppercase; font-size:10.5px; letter-spacing:.06em; opacity:.7; margin-top:4px; }
.org-connector{ width:2px; height:28px; background:var(--line); }
.org-row{ display:flex; gap:20px; flex-wrap:wrap; justify-content:center; }
.org-dept-row{ display:flex; gap:14px; flex-wrap:wrap; justify-content:center; max-width:900px; }
.org-dept{ border:1px dashed var(--line); padding:12px 16px; font-family:var(--mono); font-size:12px; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.04em; }

/* get involved / pathways */
.path-card{ border:1px solid var(--line); padding:30px 26px; background:#fff; height:100%; display:flex; flex-direction:column; gap:12px; }
.path-card .icon{ width:44px; height:44px; border-radius:50%; background:var(--husk); display:flex; align-items:center; justify-content:center; color:var(--field); font-family:var(--display); font-weight:700; }
.path-card h3{ font-size:18px; }
.path-card p{ font-size:14px; color:var(--ink-soft); flex:1; }

/* resources */
.resource-row{ display:flex; align-items:center; justify-content:space-between; gap:20px; padding:22px 0; border-bottom:1px solid var(--line); flex-wrap:wrap; }
.resource-row .meta{ font-family:var(--mono); font-size:11.5px; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.04em; margin-top:6px; }

/* contact */
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:60px; }
@media (max-width:880px){ .contact-grid{ grid-template-columns:1fr; gap:40px; } }
.field{ margin-bottom:18px; }
.field label{ display:block; font-family:var(--mono); font-size:11.5px; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-soft); margin-bottom:8px; }
.field input, .field textarea, .field select{
  width:100%; border:1px solid var(--line); background:#fff; padding:13px 14px; font-family:var(--body); font-size:15px; color:var(--soil);
  border-radius:2px;
}
.field textarea{ resize:vertical; min-height:130px; }
.field input:focus, .field textarea:focus, .field select:focus{ outline:2px solid var(--rain); outline-offset:1px; border-color:var(--rain); }
.form-note{ font-size:12.5px; color:var(--ink-soft); margin-top:10px; }
.contact-info-item{ display:flex; gap:16px; padding:18px 0; border-bottom:1px solid var(--line); }
.contact-info-item .k{ font-family:var(--mono); font-size:11.5px; text-transform:uppercase; color:var(--clay); width:110px; flex:none; letter-spacing:.05em; padding-top:2px; }

/* CTA band */
.cta-band{
  background:var(--sun); color:var(--soil); padding:64px 0; text-align:center;
}
.cta-band h2{ font-size:clamp(1.5rem,3vw,2.1rem); }
.cta-band p{ margin-top:12px; color:rgba(23,21,18,.75); max-width:560px; margin-left:auto; margin-right:auto; }
.cta-band .hero-actions{ justify-content:center; margin-top:26px; }

/* newsletter */
.newsletter{ background:var(--field); color:#fff; padding:60px 0; }
.newsletter-inner{ display:flex; justify-content:space-between; align-items:center; gap:30px; flex-wrap:wrap; }
.newsletter form{ display:flex; gap:12px; flex-wrap:wrap; }
.newsletter input{ padding:13px 16px; border:1px solid rgba(255,255,255,.35); background:transparent; color:#fff; min-width:240px; font-family:var(--body); }
.newsletter input::placeholder{ color:rgba(255,255,255,.55); }

/* breadcrumb / page header */
.page-header{ background:var(--field); color:#fff; padding:64px 0 54px; position:relative; overflow:hidden; }
.page-header .breadcrumb{ font-family:var(--mono); font-size:12px; color:rgba(255,255,255,.65); text-transform:uppercase; letter-spacing:.05em; margin-bottom:16px; }
.page-header .breadcrumb a:hover{ color:var(--sun); }
.page-header h1{ font-size:clamp(2rem,4vw,3rem); }
.page-header p{ margin-top:14px; max-width:620px; color:rgba(255,255,255,.82); font-size:16.5px; }

/* filters / search */
.filter-bar{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:40px; }
.filter-chip{
  font-family:var(--mono); font-size:12.5px; text-transform:uppercase; letter-spacing:.04em;
  padding:9px 16px; border:1px solid var(--line); background:#fff; cursor:pointer; transition:.2s;
}
.filter-chip.is-active, .filter-chip:hover{ background:var(--field); color:#fff; border-color:var(--field); }

.search-box{ display:flex; border:1px solid var(--line); max-width:420px; }
.search-box input{ flex:1; border:none; padding:13px 14px; font-family:var(--body); font-size:14.5px; }
.search-box input:focus{ outline:none; }
.search-box button{ background:var(--field); color:#fff; border:none; padding:0 18px; cursor:pointer; }

.empty-state{ text-align:center; padding:70px 20px; border:1px dashed var(--line); color:var(--ink-soft); }
.empty-state h3{ color:var(--field); font-size:19px; margin-bottom:8px; }

/* footer */
.site-footer{ background:var(--soil); color:rgba(255,255,255,.75); padding:80px 0 30px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr repeat(4,1fr); gap:40px; }
.footer-grid h4{ color:#fff; font-family:var(--mono); font-size:12px; text-transform:uppercase; letter-spacing:.06em; margin-bottom:18px; }
.footer-grid ul li{ margin-bottom:10px; }
.footer-grid a:hover{ color:var(--sun); }
.footer-brand p{ margin-top:16px; font-size:14px; max-width:280px; color:rgba(255,255,255,.62); }
.social-row{ display:flex; gap:12px; margin-top:16px; }
.social-row a{
  width:36px; height:36px; border:1px solid rgba(255,255,255,.25); border-radius:50%;
  display:flex; align-items:center; justify-content:center; font-family:var(--mono); font-size:12px;
}
.social-row a:hover{ background:var(--sun); color:var(--soil); border-color:var(--sun); }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14); margin-top:60px; padding-top:26px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:12.5px; color:rgba(255,255,255,.5);
}
.footer-bottom a:hover{ color:var(--sun); }
@media (max-width:900px){ .footer-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .footer-grid{ grid-template-columns:1fr; } }

/* utility */
.text-center{ text-align:center; }
.mt-lg{ margin-top:60px; }
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:24px; }
@media (max-width:760px){ .grid-2{ grid-template-columns:1fr; } }
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity:1; transform:none; }
.skip-link{
  position:absolute; left:-999px; top:0; background:var(--field); color:#fff; padding:12px 18px; z-index:1000;
}
.skip-link:focus{ left:12px; top:12px; }
:focus-visible{ outline:3px solid var(--rain); outline-offset:2px; }

/* placeholder image swatches (until real photography is supplied) */
.ph{
  background:
    repeating-linear-gradient(-32deg, rgba(255,255,255,.14) 0 2px, transparent 2px 22px),
    linear-gradient(135deg, var(--field), var(--field-2));
  display:flex; align-items:center; justify-content:center;
  color:rgba(255,255,255,.7); font-family:var(--mono); font-size:11px; text-transform:uppercase; letter-spacing:.06em;
  text-align:center; padding:10px;
}
.ph.warm{ background:
    repeating-linear-gradient(-32deg, rgba(255,255,255,.12) 0 2px, transparent 2px 22px),
    linear-gradient(135deg, var(--clay), #c96a3d); }