/* =========================================================
   ADIVISION ASSOCIATION — shared stylesheet
   Design language: rooted growth. A single root/branch line
   motif ties every page together — this NGO's work spreads
   outward from Noida across education, culture, environment
   and skills, the way roots feed branches.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,400;1,9..144,500&family=Work+Sans:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  /* Color */
  --ink:        #16261f;
  --ink-soft:   #3c4a41;
  --teal-deep:  #0f4a40;
  --teal-mid:   #17695a;
  --teal-glow:  #2c8a76;
  --paper:      #f1f4ee;
  --paper-hi:   #ffffff;
  --marigold:   #e8a33d;
  --marigold-d: #c98526;
  --clay:       #b5502d;
  --line:       #d9ded2;
  --line-dark:  rgba(241,244,238,0.18);

  /* Type */
  --f-display: 'Fraunces', serif;
  --f-body: 'Work Sans', sans-serif;
  --f-mono: 'IBM Plex Mono', monospace;

  --container: 1180px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--f-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -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(--f-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 .5em;
  color: var(--teal-deep);
}
p{ margin: 0 0 1em; }

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

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow{
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--marigold-d);
  display:inline-flex;
  align-items:center;
  gap:.5em;
  margin-bottom: .9em;
}
.eyebrow::before{
  content:"";
  width: 18px; height: 1px;
  background: var(--marigold-d);
  display:inline-block;
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  font-family: var(--f-body);
  font-weight: 600;
  font-size: .95rem;
  padding: .85em 1.6em;
  border-radius: 3px;
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--marigold); color: var(--teal-deep); }
.btn-primary:hover{ background: var(--marigold-d); }
.btn-outline{ border-color: currentColor; color: var(--paper-hi); }
.btn-outline:hover{ background: rgba(255,255,255,.1); }
.btn-outline-dark{ border-color: var(--teal-deep); color: var(--teal-deep); }
.btn-outline-dark:hover{ background: var(--teal-deep); color: var(--paper-hi); }
.btn-donate{ background: var(--clay); color: #fff; }
.btn-donate:hover{ background:#983f21; }
.btn-block{ width:100%; justify-content:center; }

/* ---------- Header / Nav ---------- */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: var(--teal-deep);
  color: var(--paper-hi);
  border-bottom: 1px solid var(--line-dark);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 24px;
  max-width: var(--container);
  margin: 0 auto;
}
.brand{
  display:flex; align-items:center; gap:.7em;
  font-family: var(--f-display);
  font-size: 1.28rem;
  font-weight: 600;
  color: var(--paper-hi);
  letter-spacing: .01em;
}
.brand-mark{ width: 34px; height: 34px; flex-shrink:0; }
.brand small{
  display:block;
  font-family: var(--f-mono);
  font-size: .58rem;
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--marigold);
  text-transform: uppercase;
}

.nav-links{
  display:flex;
  align-items:center;
  gap: 2px;
}
.nav-links a{
  font-size: .93rem;
  font-weight: 500;
  padding: .6em .9em;
  border-radius: 3px;
  color: rgba(241,244,238,.85);
  position:relative;
}
.nav-links a:hover{ color: var(--paper-hi); }
.nav-links a.active{ color: var(--paper-hi); }
.nav-links a.active::after{
  content:"";
  position:absolute; left:.9em; right:.9em; bottom:.35em;
  height:2px; background: var(--marigold);
}
.nav-donate{
  margin-left: 10px;
  background: var(--marigold);
  color: var(--teal-deep) !important;
  padding: .6em 1.2em !important;
  border-radius: 3px;
  font-weight: 700 !important;
}
.nav-donate:hover{ background: var(--marigold-d); }

.hamburger{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap: 5px;
  width: 40px; height: 40px;
  background:none; border:none;
  cursor:pointer;
  padding: 0;
}
.hamburger span{
  display:block; height:2px; width:100%;
  background: var(--paper-hi);
  transition: transform .3s ease, opacity .3s ease;
}
.hamburger[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ---------- Root motif divider ---------- */
.root-divider{
  display:block;
  width:100%;
  height: 46px;
  color: var(--marigold-d);
}
.root-divider path{
  fill:none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
}
.root-divider.on-dark{ color: var(--marigold); }

/* ---------- Hero ---------- */
.hero{
  background: linear-gradient(180deg, var(--teal-deep) 0%, #0c3a32 100%);
  color: var(--paper-hi);
  position: relative;
  overflow: hidden;
  padding: 88px 0 60px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 40px;
  align-items:center;
  position:relative;
  z-index:2;
}
.hero h1{
  color: var(--paper-hi);
  font-size: clamp(2.1rem, 4.4vw, 3.6rem);
  font-weight: 600;
  max-width: 14ch;
}
.hero h1 em{ color: var(--marigold); font-style: normal; }
.hero p.lede{
  font-size: 1.08rem;
  color: rgba(241,244,238,.85);
  max-width: 46ch;
  margin-bottom: 1.6em;
}
.hero-actions{ display:flex; gap: 14px; flex-wrap:wrap; }
.hero-art{ position:relative; width:100%; height: 100%; min-height: 300px; }
.hero-art svg{ width:100%; height:100%; }

.hero-stats{
  margin-top: 56px;
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border-top: 1px solid var(--line-dark);
  padding-top: 28px;
  position:relative; z-index:2;
}
.hero-stats .stat b{
  display:block;
  font-family: var(--f-display);
  font-size: 1.9rem;
  color: var(--marigold);
  font-weight: 600;
}
.hero-stats .stat span{
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing:.06em;
  color: rgba(241,244,238,.7);
  text-transform: uppercase;
}

/* ---------- Sections ---------- */
section{ padding: 76px 0; }
.section-white{ background: var(--paper-hi); }
.section-paper{ background: var(--paper); }
.section-deep{ background: var(--teal-deep); color: var(--paper-hi); }
.section-deep h2{ color: var(--paper-hi); }
.section-head{ max-width: 640px; margin-bottom: 44px; }
.section-head h2{ font-size: clamp(1.6rem, 3vw, 2.3rem); }
.section-head p{ color: var(--ink-soft); font-size: 1.02rem; }
.section-deep .section-head p{ color: rgba(241,244,238,.8); }

/* Sector / card grid */
.grid{ display:grid; gap: 22px; }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }

.card{
  background: var(--paper-hi);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 30px 26px;
  transition: border-color .2s ease, transform .2s ease;
}
.card:hover{ border-color: var(--marigold); transform: translateY(-3px); }
.card .card-icon{ width: 40px; height:40px; color: var(--teal-mid); margin-bottom: 18px; }
.card h3{ font-size: 1.15rem; margin-bottom: .4em; }
.card p{ color: var(--ink-soft); font-size: .95rem; margin-bottom: 0; }

.sector-tag{
  display:inline-block;
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--teal-deep);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: .4em .8em;
  border-radius: 3px;
  margin: 0 8px 8px 0;
}

/* Timeline (about page) */
.timeline{ position:relative; padding-left: 28px; border-left: 2px solid var(--line); }
.timeline-item{ position:relative; padding-bottom: 34px; }
.timeline-item:last-child{ padding-bottom:0; }
.timeline-item::before{
  content:"";
  position:absolute; left:-33px; top:4px;
  width:10px; height:10px; border-radius:50%;
  background: var(--marigold);
  border: 2px solid var(--paper-hi);
  box-shadow: 0 0 0 2px var(--marigold-d);
}
.timeline-item h4{ margin:0 0 .2em; color: var(--teal-deep); font-size: 1.05rem; }
.timeline-item .date{ font-family: var(--f-mono); font-size: .75rem; color: var(--marigold-d); text-transform:uppercase; letter-spacing:.06em; }
.timeline-item p{ color: var(--ink-soft); margin: .4em 0 0; }

/* Team */
.team-card{ text-align:center; }
.team-avatar{
  width: 92px; height:92px; border-radius:50%;
  margin: 0 auto 16px;
  background: var(--teal-deep);
  display:flex; align-items:center; justify-content:center;
  color: var(--marigold);
  font-family: var(--f-display); font-size: 1.6rem; font-weight:600;
  border: 3px solid var(--marigold);
}
.team-card h3{ margin-bottom:.15em; font-size: 1.1rem; }
.team-card .role{ font-family: var(--f-mono); font-size: .74rem; letter-spacing:.06em; text-transform:uppercase; color: var(--marigold-d); }

/* Info strip (registration facts) */
.fact-strip{
  display:grid;
  grid-template-columns: repeat(4,1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow:hidden;
}
.fact{ background: var(--paper-hi); padding: 22px 20px; }
.fact .label{ font-family: var(--f-mono); font-size: .68rem; text-transform:uppercase; letter-spacing:.06em; color: var(--ink-soft); margin-bottom:.4em; }
.fact .value{ font-family: var(--f-display); font-weight:600; color: var(--teal-deep); font-size: 1.05rem; }

/* Event / activity cards with date block */
.event-card{
  display:flex; gap: 20px;
  background: var(--paper-hi);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 22px;
  align-items:flex-start;
}
.event-date{
  flex-shrink:0;
  width: 68px; text-align:center;
  background: var(--teal-deep); color:var(--paper-hi);
  border-radius: 4px; padding: 10px 4px;
}
.event-date .d{ font-family: var(--f-display); font-size: 1.5rem; font-weight:700; line-height:1; }
.event-date .m{ font-family: var(--f-mono); font-size: .65rem; text-transform:uppercase; letter-spacing:.08em; color: var(--marigold); }
.event-tag{ font-family: var(--f-mono); font-size: .68rem; color: var(--marigold-d); text-transform:uppercase; letter-spacing:.06em; }
.event-card h3{ font-size: 1.08rem; margin: .3em 0 .3em; }
.event-card p{ color: var(--ink-soft); font-size: .92rem; margin-bottom: .5em; }
.event-meta{ font-family: var(--f-mono); font-size: .78rem; color: var(--ink-soft); display:flex; gap:16px; flex-wrap:wrap; }

/* Forms */
.form-panel{
  background: var(--paper-hi);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 34px;
}
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field{ margin-bottom: 18px; }
.field label{
  display:block; font-family: var(--f-mono); font-size: .72rem;
  text-transform:uppercase; letter-spacing:.06em; color: var(--teal-deep);
  margin-bottom: .5em;
}
.field input, .field select, .field textarea{
  width:100%;
  font-family: var(--f-body);
  font-size: .96rem;
  padding: .8em .9em;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--paper);
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline: 2px solid var(--teal-mid);
  outline-offset: 1px;
  border-color: var(--teal-mid);
}
.field textarea{ resize: vertical; min-height: 110px; }
.checkbox-row{ display:flex; align-items:flex-start; gap: .6em; font-size: .88rem; color: var(--ink-soft); margin-bottom: 22px; }
.checkbox-row input{ margin-top: .25em; }
.form-note{ font-size: .82rem; color: var(--ink-soft); margin-top: 14px; }
.form-success{
  display:none;
  background: #eaf3ec;
  border: 1px solid var(--teal-mid);
  color: var(--teal-deep);
  padding: 16px 18px;
  border-radius: 4px;
  font-size: .92rem;
  margin-top: 18px;
}

/* Donate page */
.donate-tiers{ display:grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.tier-btn{
  background: var(--paper-hi); border: 1px solid var(--line); border-radius: 4px;
  padding: 18px 10px; text-align:center; cursor:pointer; font-family: var(--f-mono);
  font-size: .95rem; color: var(--teal-deep); transition: all .15s ease;
}
.tier-btn:hover, .tier-btn.active{ border-color: var(--marigold); background: #fff8ec; }
.bank-box{
  background: var(--paper); border: 1px solid var(--line); border-radius: 4px;
  padding: 22px; font-family: var(--f-mono); font-size: .88rem; line-height:2;
}
.bank-box .row{ display:flex; justify-content:space-between; border-bottom:1px dashed var(--line); padding: 4px 0; }
.bank-box .row:last-child{ border-bottom:none; }

/* Contact page */
.contact-info-list{ display:flex; flex-direction:column; gap: 22px; }
.contact-info-item{ display:flex; gap: 16px; align-items:flex-start; }
.contact-info-item .ic{ width:22px; height:22px; color: var(--marigold); flex-shrink:0; margin-top:2px; }
.contact-info-item h4{ margin:0 0 .2em; font-size: 1rem; color: var(--teal-deep); }
.contact-info-item p{ margin:0; color: var(--ink-soft); font-size: .92rem; }
.map-frame{
  border: 1px solid var(--line); border-radius: 6px; overflow:hidden; height: 260px;
}
.map-frame iframe{ width:100%; height:100%; border:0; }

/* Footer */
.site-footer{
  background: #0c332b;
  color: rgba(241,244,238,.75);
  padding: 56px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line-dark);
}
.footer-brand{ font-family: var(--f-display); color: var(--paper-hi); font-size: 1.2rem; margin-bottom: .6em; }
.footer-grid p{ font-size: .88rem; }
.footer-col h5{
  font-family: var(--f-mono); font-size: .72rem; text-transform:uppercase; letter-spacing:.08em;
  color: var(--marigold); margin-bottom: 14px;
}
.footer-col a{ display:block; font-size: .9rem; padding: 5px 0; color: rgba(241,244,238,.75); }
.footer-col a:hover{ color: var(--paper-hi); }
.footer-bottom{
  padding-top: 22px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size: .78rem; color: rgba(241,244,238,.5);
}

/* Utility */
.mt-lg{ margin-top: 40px; }
.text-center{ text-align:center; }
.center-head{ margin-left:auto; margin-right:auto; text-align:center; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-art{ min-height: 220px; order:-1; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .grid-3{ grid-template-columns: repeat(2,1fr); }
  .fact-strip{ grid-template-columns: repeat(2,1fr); }
  .donate-tiers{ grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 760px){
  .nav-links{
    position:fixed; inset: 62px 0 0 0;
    background: var(--teal-deep);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding: 10px 20px 30px;
    transform: translateY(-8px);
    opacity:0;
    pointer-events:none;
    transition: opacity .22s ease, transform .22s ease;
    overflow-y:auto;
    border-top: 1px solid var(--line-dark);
  }
  .nav-links.open{ opacity:1; transform:translateY(0); pointer-events:auto; }
  .nav-links a{ padding: .95em .2em; border-bottom: 1px solid var(--line-dark); border-radius:0; font-size: 1rem; }
  .nav-links a.active::after{ display:none; }
  .nav-donate{ margin: 14px 0 0; text-align:center; }
  .hamburger{ display:flex; }

  .hero{ padding: 56px 0 40px; }
  .hero-stats{ grid-template-columns: repeat(2,1fr); row-gap: 26px; }

  section{ padding: 54px 0; }
  .grid-3, .grid-2{ grid-template-columns: 1fr; }
  .fact-strip{ grid-template-columns: 1fr 1fr; }
  .donate-tiers{ grid-template-columns: repeat(2,1fr); }
  .form-row{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; gap: 26px; }
  .event-card{ flex-direction:column; }
  .event-date{ width: 90px; }
}

@media (max-width: 480px){
  .hero-stats{ grid-template-columns: 1fr 1fr; }
  .fact-strip{ grid-template-columns: 1fr; }
  .donate-tiers{ grid-template-columns: 1fr 1fr; }
  .brand{ font-size: 1.08rem; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration: .01ms !important; transition-duration: .01ms !important; }
}