:root {
  --green: #08652f;
  --green-dark: #034a22;
  --leaf: #62b612;
  --orange: #f78a00;
  --blue: #096bd6;
  --purple: #7c159f;
  --red: #e31519;
  --ink: #143c2a;
  --muted: #587066;
  --cream: #fbfcf7;
  --white: #ffffff;
  --line: #d9e5da;
  --bn: "Kohinoor Bangla", "Noto Sans Bengali", "Bangla Sangam MN", "Nirmala UI", Vrinda, sans-serif;
  --sans: Inter, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--cream); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.65; }
[lang="bn"] { font-family: var(--bn); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 20; padding: 10px 14px; background: var(--orange); color: #171717; font-weight: 700; }
.skip-link:focus { top: 12px; }

.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 26px; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--green-dark); }
.brand img { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; }
.brand b, .brand small { display: block; line-height: 1.25; }
.brand b { font-size: 16px; }
.brand small { margin-top: 2px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.site-nav { display: flex; gap: 28px; }
.site-nav a { color: var(--green-dark); text-align: center; font-size: 13px; font-weight: 700; line-height: 1.2; }
.site-nav a span, .site-nav a small { display: block; }
.site-nav a small { margin-top: 3px; color: var(--muted); font-size: 10px; font-weight: 600; }
.site-nav a:hover span, .site-nav a:focus span { color: var(--orange); }

.hero { min-height: 650px; display: grid; align-items: center; overflow: hidden; background: linear-gradient(135deg, #eef9ff 0%, #ffffff 48%, #f1fae4 100%); border-bottom: 9px solid var(--green); position: relative; }
.hero::before, .hero::after { content: ""; position: absolute; left: -5%; bottom: -92px; width: 110%; height: 155px; border-radius: 50% 50% 0 0; transform: rotate(-2deg); }
.hero::before { background: var(--leaf); opacity: .75; }
.hero::after { bottom: -115px; background: var(--green); transform: rotate(2deg); }
.hero-grid { padding: 72px 0 112px; display: grid; grid-template-columns: minmax(320px, .92fr) minmax(0, 1.08fr); align-items: center; gap: clamp(44px, 8vw, 90px); position: relative; z-index: 1; }
.hero-art { max-width: 460px; padding: 10px; background: var(--white); border: 1px solid rgba(8,101,47,.18); border-radius: 50%; box-shadow: 0 18px 55px rgba(4,74,34,.13); }
.hero-art img { width: 100%; border-radius: 50%; }
.overline { margin: 0; color: var(--green); font-size: 19px; font-weight: 800; letter-spacing: .01em; }
.overline.english { margin-top: 2px; color: var(--muted); font-size: 12px; letter-spacing: .12em; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 24px 0 25px; color: var(--green-dark); font-family: var(--bn); font-size: clamp(40px, 5vw, 65px); line-height: 1.18; letter-spacing: -.035em; }
h1 small { display: block; margin-top: 17px; color: var(--green); font-family: Georgia, serif; font-size: .43em; font-style: italic; font-weight: 600; line-height: 1.25; letter-spacing: 0; }
.hero-message { margin-bottom: 28px; padding-left: 16px; border-left: 4px solid var(--orange); }
.hero-message strong, .hero-message span { display: block; }
.hero-message strong { color: var(--green-dark); font-size: 20px; }
.hero-message span { margin-top: 2px; color: var(--muted); font-size: 14px; }
.hero-actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: baseline; gap: 8px; padding: 11px 17px; border-radius: 6px; background: var(--green); color: var(--white); font-weight: 700; }
.button small { color: rgba(255,255,255,.82); }
.button:hover, .button:focus { background: var(--green-dark); }
.quiet-link { color: var(--green); border-bottom: 1px solid var(--green); font-weight: 700; }
.quiet-link small { color: var(--muted); }

.needs-strip { padding: 24px 0; background: var(--white); border-bottom: 1px solid var(--line); }
.needs-strip-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.need-chip { min-height: 63px; display: flex; flex-direction: column; justify-content: center; padding: 9px 13px; border-left: 5px solid currentColor; background: #f8faf8; }
.need-chip b { font-size: 17px; }
.need-chip span { color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.food { color: var(--orange); }
.shelter { color: var(--blue); }
.clothing { color: var(--purple); }
.education { color: var(--green); }
.healthcare { color: var(--red); }

.section { padding: 98px 0; }
.section-heading { display: grid; grid-template-columns: 58px minmax(0, 1fr); gap: 22px; max-width: 790px; margin-bottom: 48px; }
.section-number { margin: 9px 0 0; color: var(--leaf); font-size: 13px; font-weight: 800; letter-spacing: .12em; }
.section-label { margin-bottom: 12px; color: var(--green); font-weight: 800; }
.section-label small { margin-left: 7px; color: var(--muted); font-size: 12px; text-transform: uppercase; }
h2 { margin-bottom: 0; color: var(--green-dark); font-family: var(--bn); font-size: clamp(31px, 3.7vw, 48px); font-weight: 700; line-height: 1.28; }
h2 small { display: block; margin-top: 8px; color: var(--muted); font-family: var(--sans); font-size: .42em; font-weight: 600; letter-spacing: .015em; }

.about { background: var(--white); }
.language-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }
.language-panel { padding: clamp(28px, 4vw, 48px); }
.language-panel + .language-panel { border-left: 1px solid var(--line); }
.language-name { display: inline-block; margin-bottom: 28px; padding: 5px 10px; border-radius: 4px; background: #eaf5e5; color: var(--green); font-size: 13px; font-weight: 800; }
.language-panel p:not(.language-name) { color: #345a46; font-size: 16px; line-height: 1.9; }
.language-panel p:last-child { margin-bottom: 0; }
.bengali p:not(.language-name) { font-size: 17px; line-height: 2; }
.english-panel { background: #fafcf9; }

.needs { background: #f3f8ef; }
.compact-heading { margin-bottom: 42px; }
.needs-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.need-card { min-height: 178px; display: flex; flex-direction: column; justify-content: space-between; padding: 20px; border: 1px solid currentColor; border-top-width: 8px; background: var(--white); }
.need-card .need-index { color: currentColor; font-size: 12px; font-weight: 800; }
.need-card h3 { margin-bottom: 1px; color: currentColor; font-family: var(--bn); font-size: 25px; }
.need-card p { margin: 0; color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }

.commitment { padding: 92px 0; background: var(--green); color: var(--white); }
.commitment-inner { display: grid; grid-template-columns: 100px minmax(0, 790px); justify-content: center; gap: 35px; }
.commitment-mark { color: var(--leaf); font-family: Georgia, serif; font-size: 115px; line-height: .75; }
.section-label.light { color: #bbec86; }
.section-label.light small { color: rgba(255,255,255,.67); }
.commitment h2 { color: var(--white); font-size: clamp(30px, 4vw, 50px); }
.commitment-english { max-width: 700px; margin: 30px 0 0; color: rgba(255,255,255,.76); font-size: 17px; }

.activities { background: var(--white); }
.activity-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(45px, 8vw, 100px); align-items: center; }
.activity-heading { margin-bottom: 0; }
.activity-note { padding: 32px; border: 1px solid var(--line); border-radius: 8px; background: var(--cream); box-shadow: 8px 8px 0 #e0f0d7; }
.leaf-mark { width: 34px; height: 34px; display: grid; place-items: center; margin-bottom: 20px; border-radius: 50% 0 50% 50%; background: var(--leaf); color: transparent; transform: rotate(-25deg); }
.activity-note p { color: #345a46; }
.activity-note p[lang="bn"] { font-size: 17px; line-height: 1.9; }
.activity-note p[lang="en"] { margin-bottom: 0; padding-top: 17px; border-top: 1px solid var(--line); color: var(--muted); font-size: 15px; }

.founder-profile { border-top: 1px solid var(--line); background: #f7fbf4; }
.profile-grid { display: grid; grid-template-columns: .72fr 1.28fr; align-items: start; gap: clamp(45px, 7vw, 90px); }
.profile-copy { position: sticky; top: 112px; }
.profile-copy .section-number { margin-bottom: 28px; }
.profile-copy h2 { margin-bottom: 26px; font-size: clamp(30px, 3.5vw, 44px); }
.profile-copy > p:not(.section-number):not(.section-label) { color: #345a46; }
.profile-copy > p[lang="en"] { color: var(--muted); font-size: 15px; }
.profile-art { margin: 0; padding: 12px; background: var(--white); border: 1px solid var(--line); box-shadow: 0 14px 38px rgba(4,74,34,.1); }
.profile-art img { width: 100%; height: auto; }
.profile-art figcaption { padding: 12px 5px 3px; color: var(--muted); text-align: center; font-size: 12px; }

.closing { padding: 86px 0; background: linear-gradient(145deg, #edf9ff, #ffffff 50%, #edf8dd); border-top: 8px solid var(--leaf); }
.closing-inner { text-align: center; }
.closing-inner img { width: 150px; margin: 0 auto 24px; border-radius: 50%; }
.closing-inner p { margin-bottom: 0; color: var(--green-dark); font-weight: 800; }
.closing-inner p[lang="bn"] { font-size: 28px; }
.closing-inner p + p { margin-top: 2px; font-family: Georgia, serif; font-size: 18px; font-style: italic; }
.closing-inner span, .closing-inner small { display: block; }
.closing-inner span { margin-top: 22px; color: var(--green); font-weight: 700; }
.closing-inner small { color: var(--muted); font-size: 12px; }

.site-footer { padding: 28px 0; background: var(--green-dark); color: rgba(255,255,255,.76); }
.footer-inner { display: grid; grid-template-columns: 1fr 1fr auto; gap: 28px; align-items: center; }
.footer-inner p { margin: 0; font-size: 12px; }
.footer-inner p span, .footer-inner p strong { display: block; }
.footer-inner p strong { color: var(--white); }

@media (max-width: 820px) {
  .site-nav { gap: 16px; }
  .site-nav a:nth-child(3) { display: none; }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; padding: 48px 0 106px; gap: 34px; }
  .hero-art { width: min(82vw, 390px); margin: 0 auto; }
  .hero-copy { text-align: center; }
  .hero-message { display: inline-block; text-align: left; }
  .hero-actions { justify-content: center; }
  .needs-strip-grid { grid-template-columns: repeat(5, minmax(105px, 1fr)); overflow-x: auto; padding-bottom: 7px; }
  .language-grid { grid-template-columns: 1fr; }
  .language-panel + .language-panel { border-left: 0; border-top: 1px solid var(--line); }
  .needs-grid { grid-template-columns: repeat(3, 1fr); }
  .activity-grid, .profile-grid { grid-template-columns: 1fr; }
  .activity-heading { margin-bottom: 0; }
  .profile-copy { position: static; }
  .commitment-inner { grid-template-columns: 65px 1fr; gap: 20px; }
  .commitment-mark { font-size: 85px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-inner p:last-child { grid-column: span 2; }
}

@media (max-width: 540px) {
  .container { width: min(100% - 28px, 1080px); }
  .header-inner { min-height: 68px; }
  .brand img { width: 44px; height: 44px; }
  .brand b { font-size: 14px; }
  .brand small { font-size: 9px; }
  .site-nav a:nth-child(2) { display: none; }
  .site-nav a { font-size: 12px; }
  .hero-grid { padding-top: 35px; }
  h1 { font-size: clamp(35px, 10.5vw, 48px); }
  .hero-actions { gap: 15px; }
  .button, .quiet-link { font-size: 14px; }
  .section { padding: 70px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 4px; margin-bottom: 34px; }
  .section-number { margin-bottom: 10px; }
  .language-panel { padding: 25px 20px; }
  .needs-grid { grid-template-columns: 1fr 1fr; }
  .need-card { min-height: 145px; }
  .need-card:last-child { grid-column: span 2; }
  .commitment { padding: 70px 0; }
  .commitment-inner { grid-template-columns: 1fr; }
  .commitment-mark { height: 48px; }
  .activity-note { padding: 25px 21px; }
  .profile-art { padding: 6px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-inner p:last-child { grid-column: auto; }
}