:root {
  --green: #16a34a;
  --green-dark: #15803d;
  --green-soft: #e8f5ee;
  --blue: #2563eb;
  --blue-soft: #e8f0fe;
  --purple: #7c3aed;
  --purple-soft: #f0eafc;
  --ink: #1e293b;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0 0 12px; }
p { margin: 0 0 12px; line-height: 1.5; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* header */
header {
  border-bottom: 1px solid var(--line);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand .logo { font-size: 30px; }
.brand strong { display: block; font-size: 19px; }
.brand span { font-size: 12px; color: var(--muted); }

.menu { display: flex; gap: 26px; margin-left: auto; flex-wrap: wrap; }
.menu a {
  font-size: 14px;
  color: var(--muted);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.menu a:hover { color: var(--ink); }
.menu a.active { color: var(--green); border-color: var(--green); font-weight: 600; }

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  border-radius: 8px;
  padding: 11px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  background: var(--green);
  color: #fff;
  font-family: inherit;
}
.btn:hover { filter: brightness(0.93); }
.btn.blue { background: var(--blue); }
.btn.purple { background: var(--purple); }
.btn.ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn.ghost-blue { background: #fff; color: var(--blue); border: 1px solid #c7d9fb; }
.btn.ghost-purple { background: #fff; color: var(--purple); border: 1px solid #d9c9f7; }

/* hero */
.hero { padding: 60px 0; }
.hero.green { background: linear-gradient(180deg, #eef8f2, #fff); }
.hero.blue { background: linear-gradient(180deg, #eef3fd, #fff); }
.hero.purple { background: linear-gradient(180deg, #f3eefc, #fff); }
.hero .wrap { display: flex; align-items: center; gap: 40px; }
.hero-text { flex: 1; }
.hero h1 { font-size: 42px; line-height: 1.15; }
.hero.small h1 { font-size: 34px; }
.hero p { color: var(--muted); max-width: 460px; }
.hero .art { font-size: 120px; text-align: center; flex: 0 0 300px; }
.accent { color: var(--green); }

/* cards */
section { padding: 36px 0; }
.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  background: #fff;
}
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.action-card .icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 26px;
  margin-bottom: 14px;
}
.action-card.green { background: #f5fbf7; }
.action-card.green .icon { background: var(--green-soft); }
.action-card.blue { background: #f4f8fe; }
.action-card.blue .icon { background: var(--blue-soft); }
.action-card.purple { background: #f9f6fe; }
.action-card.purple .icon { background: var(--purple-soft); }

.checks { list-style: none; padding: 0; margin: 0 0 18px; }
.checks li { font-size: 14px; color: var(--muted); padding: 5px 0; }

/* how it works */
.steps { display: flex; align-items: flex-start; gap: 20px; justify-content: center; }
.step { display: flex; gap: 12px; max-width: 260px; }
.step .icon {
  width: 46px; height: 46px; flex: none;
  border-radius: 50%;
  background: var(--green-soft);
  display: grid; place-items: center;
}
.step h4 { margin: 0 0 4px; font-size: 15px; }
.step p { font-size: 13px; color: var(--muted); margin: 0; }
.arrow { color: #94a3b8; align-self: center; }

/* features strip */
.features { background: #f8fafc; border-radius: 14px; padding: 24px; }
.feature h4 { margin: 0 0 4px; font-size: 14px; }
.feature p { margin: 0; font-size: 13px; color: var(--muted); }
.feature { display: flex; gap: 10px; }

/* forms */
label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; }
input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
}
input:focus, select:focus, textarea:focus { outline: 2px solid #bfdbfe; border-color: var(--blue); }
.field { margin-bottom: 16px; }
.row { display: flex; gap: 16px; }
.row > * { flex: 1; }

.search-bar { display: flex; gap: 12px; }
.search-bar input { flex: 1; }

/* chips */
.chips { display: flex; gap: 10px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  color: var(--ink);
}
.chip:hover { border-color: #94a3b8; }
.chip.on { border-color: var(--blue); background: var(--blue-soft); color: var(--blue); }
.chip.purple.on { border-color: var(--purple); background: var(--purple-soft); color: var(--purple); }

/* result cards */
.item h4 { margin: 0 0 2px; font-size: 16px; }
.item .sub { font-size: 13px; color: var(--muted); margin: 0 0 12px; }
.item .meta { font-size: 13px; color: var(--muted); margin: 0 0 6px; }
.link { color: var(--blue); font-size: 13px; font-weight: 600; }
.link.purple { color: var(--purple); }

/* banner */
.banner {
  display: flex;
  align-items: center;
  gap: 16px;
  border-radius: 14px;
  padding: 22px 24px;
  background: var(--blue-soft);
}
.banner.purple { background: var(--purple-soft); }
.banner h4 { margin: 0 0 2px; }
.banner p { margin: 0; font-size: 14px; color: var(--muted); }
.banner .btn { margin-left: auto; }

/* donate page */
.donate-layout { display: flex; gap: 32px; align-items: flex-start; }
.sidebar { flex: 0 0 260px; }
.stepper { list-style: none; padding: 0; margin: 0 0 28px; }
.stepper li {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 0;
  color: var(--muted);
  font-weight: 500;
}
.stepper .num {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: #f1f5f9;
  display: grid; place-items: center;
  font-size: 14px;
}
.stepper li.on { color: var(--ink); }
.stepper li.on .num { background: var(--green); color: #fff; }

.note { background: #f5fbf7; border-radius: 12px; padding: 20px; }
.note h4 { margin: 8px 0 6px; font-size: 15px; }
.note p { font-size: 13px; color: var(--muted); margin: 0; }

.pane { display: none; }
.pane.on { display: block; }
.pane h3 { color: var(--green); font-size: 18px; }

.opts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 22px; }
.opt {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  cursor: pointer;
  text-align: left;
  background: #fff;
  font-family: inherit;
}
.opt strong { display: block; font-size: 13px; margin-bottom: 2px; }
.opt span { font-size: 12px; color: var(--muted); }
.opt.on { border-color: var(--green); background: var(--green-soft); }

.med-row { display: flex; gap: 12px; align-items: flex-end; margin-bottom: 12px; }
.med-list { list-style: none; padding: 0; margin: 0 0 16px; }
.med-list li {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 8px;
  font-size: 14px;
}
.med-list button { margin-left: auto; border: 0; background: none; cursor: pointer; color: #ef4444; font-size: 16px; }

.actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }
.done { text-align: center; padding: 30px 0; }
.done .big { font-size: 56px; }

footer {
  border-top: 1px solid var(--line);
  margin-top: 50px;
  padding: 28px 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.empty { color: var(--muted); font-size: 14px; padding: 20px 0; }

@media (max-width: 900px) {
  .grid-3, .grid-4, .opts { grid-template-columns: 1fr 1fr; }
  .hero .wrap, .donate-layout, .steps, .row, .med-row { flex-direction: column; }
  .hero .art { font-size: 80px; }
  .sidebar { flex: 1; width: 100%; }
  .arrow { display: none; }
}
@media (max-width: 600px) {
  .grid-3, .grid-4, .opts { grid-template-columns: 1fr; }
  .nav { height: auto; padding: 14px 0; flex-wrap: wrap; gap: 14px; }
  .menu { margin-left: 0; }
  .hero h1 { font-size: 30px; }
}