:root{
  --bg: #f8fdf8;
  --card: #ffffff;
  --green: #34d399;
  --green-soft:#d1fae5;
  --yellow:#facc15;
  --yellow-soft:#fef9c3;
  --text:#064e3b;
  --muted:#6b7280;
  --border:#d1fae5;
  --shadow: 0 12px 30px rgba(0,0,0,.08);
  --radius:18px;
}
/* HEART NOTE */
.heart{
  background: var(--yellow-soft);
  border: 2px dashed rgba(6,95,70,.18);
  border-radius: 16px;
  padding: 14px 14px;
  color:#065f46;
  font-weight: 800;
}
.heart p{margin: 10px 0}
.heart b{color:#064e3b}
.heart .ps{
  margin-top: 12px;
  background:#fff;
  border-radius: 14px;
  padding: 10px 12px;
  border: 2px dashed rgba(250,204,21,.55);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto;
  background:
    radial-gradient(600px 300px at 10% 10%, var(--yellow-soft), transparent 60%),
    radial-gradient(600px 300px at 90% 20%, var(--green-soft), transparent 60%),
    var(--bg);
  color:var(--text);
}

.wrap{max-width:1100px;margin:auto;padding:20px 16px 70px}

/* top */
.top{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  background:var(--card);
  border:2px solid var(--border);
  border-radius:var(--radius);
  padding:12px 16px;
  box-shadow:var(--shadow);
  position:sticky;top:12px;z-index:10;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:950;font-size:18px}
.logo span{font-size:26px}
.nav{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}
.nav a{
  padding:8px 12px;border-radius:999px;
  background:var(--green-soft);
  font-weight:800;color:#065f46;text-decoration:none;
}
.nav a:hover{background:var(--yellow-soft)}

/* hero */
.hero{
  margin-top:18px;
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:16px;
}
@media(max-width:900px){.hero{grid-template-columns:1fr}}

.card{
  background:var(--card);
  border:2px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.pad{padding:18px}

h1{margin:6px 0 10px;font-size:42px;line-height:1.05}
.sub{color:var(--muted);font-size:15px;margin:0}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 16px;border-radius:999px;border:none;
  font-weight:950;cursor:pointer;
  background:var(--green);color:#053e2d;
  text-decoration:none;
}
.btn.yellow{background:var(--yellow)}
.btn.outline{background:transparent;border:2px dashed var(--green)}
.btn:hover{filter:brightness(1.05)}
.cta{margin-top:14px;display:flex;flex-wrap:wrap;gap:10px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
@media(max-width:700px){.stats{grid-template-columns:1fr}}
.stat{background:var(--green-soft);border-radius:14px;padding:14px}
.stat h4{margin:0;font-size:13px}
.money{font-size:22px;font-weight:950}

/* QR sizing (đúng kiểu “vừa card”) */
.qr-box{display:flex;justify-content:center;margin-top:12px}
.qr-img{
  width:220px;max-width:100%;
  aspect-ratio:1/1;
  object-fit:contain;
  border-radius:18px;
  border:3px dashed var(--yellow);
  background:#fff;
  padding:10px;
  box-shadow: 0 8px 20px rgba(0,0,0,.12);
}

/* donate big */
.donate{
  background: linear-gradient(135deg, var(--yellow-soft), var(--green-soft));
  border:2px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.donate-inner{padding:18px}
.donate h2{margin:0 0 8px}
.donate p{margin:0;color:#065f46}
.donate a{color:#065f46;font-weight:900}
.qr-wrap{
  margin-top:14px;display:flex;justify-content:center;
}
.qr-wrap img{
  width:260px;max-width:100%;
  border-radius:18px;
  border:3px dashed var(--yellow);
  background:#fff;padding:10px;
  box-shadow: 0 8px 20px rgba(0,0,0,.12);
}
.spark{
  margin-top:12px;
  background:#fff;
  border:2px dashed rgba(6,95,70,.25);
  border-radius:14px;
  padding:10px 12px;
  font-weight:900;
}

/* common section */
.bar-left{border-left:6px solid var(--yellow);border-top-left-radius:calc(var(--radius) - 2px);border-bottom-left-radius:calc(var(--radius) - 2px)}
.sec-title{font-weight:950;font-size:18px;margin-bottom:8px;color:#065f46}

.list{list-style:none;padding:0;margin:10px 0 0}
.list li{
  margin-bottom:10px;background:var(--yellow-soft);
  padding:12px 14px;border-radius:14px;font-weight:800;
}

/* breakdown */
.break ul{list-style:none;padding:0;margin:0}
.break li{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed rgba(6,95,70,.15)}
.tick{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:999px;background:var(--green);font-weight:950}
.pct{min-width:52px;font-weight:950;color:#065f46}
.small-note{margin-top:10px;color:var(--muted);font-size:14px}

/* why features */
.why-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:10px}
@media(max-width:980px){.why-row{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.why-row{grid-template-columns:1fr}}
.feature{
  background:#f0fdf4;border:2px solid #bbf7d0;border-radius:16px;
  padding:14px;
}
.feature .icon{font-size:26px}
.feature h4{margin:6px 0 6px}
.feature p{margin:0;color:#0f766e;font-weight:700}

/* summary */
.sum{
  background:#ffffff;
  border:2px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.sum-grid{padding:16px;display:flex;gap:16px;justify-content:space-between;align-items:center;flex-wrap:wrap}
.big-num{font-size:28px;font-weight:950;color:#065f46}
.sum-right{min-width:280px}
.row{display:flex;justify-content:space-between;padding:6px 0;font-weight:900;color:#334155}
.pos{color:#16a34a;font-weight:950}
.neg{color:#dc2626;font-weight:950}
.progress{height:12px;background:rgba(6,95,70,.12);border-radius:999px;overflow:hidden;margin-top:8px}
#bar{height:100%;width:0%;background:linear-gradient(90deg, var(--yellow), var(--green));border-radius:999px}
.goal{margin-top:8}
/* FIX mobile header phồng to */
html{ -webkit-text-size-adjust: 100%; } /* chống Safari tự phóng chữ */
body{ overflow-x: hidden; }

@media (max-width: 520px){
  .top{
    top: 0;
    padding: 8px 10px;
    border-radius: 0 0 18px 18px;
  }

  .logo{ font-size: 15px; gap: 8px; }
  .logo span{ font-size: 20px; }

  /* nav gọn + cuộn ngang nếu nhiều nút */
  .nav{
    gap: 6px;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 2px;
    max-width: 62vw; /* để logo còn chỗ */
  }
  .nav::-webkit-scrollbar{ display:none; }

  .nav a{
    font-size: 12.5px;
    padding: 7px 10px;
    white-space: nowrap;
  }
}
/* FIX font + canh chữ nút (mobile/desktop đều đẹp) */
.btn,
button.btn,
a.btn{
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji";
  font-weight: 800;          /* bỏ 950 cho khỏi fallback font */
  font-size: 15px;
  line-height: 1;            /* chống “phồng chữ” */
  letter-spacing: 0;
  -webkit-text-size-adjust: 100%;
  text-rendering: geometricPrecision;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;

  white-space: nowrap;
  padding: 12px 16px;

  border-radius: 999px;
  border: none;
  appearance: none;
  -webkit-appearance: none;
}

/* Nếu nút outline bị “mỏng chữ” */
.btn.outline{
  border: 2px dashed var(--green);
  background: transparent;
}

/* Mobile: chữ nhỏ nhẹ hơn cho vừa hàng */
@media (max-width: 520px){
  .btn{ font-size: 13.5px; padding: 10px 12px; }
}

/* Video embed styles */
.video-controls{display:flex;gap:8px;margin-top:10px;align-items:center}
.video-controls input[type="text"]{flex:1;padding:10px 12px;border-radius:10px;border:2px solid rgba(6,95,70,.08);font-weight:700}
.video-preview{margin-top:12px}
.video-wrap{background:#f8faf5;border-radius:12px;padding:8px;border:2px dashed rgba(6,95,70,.08)}
.video-wrap iframe{width:100%;height:420px;border-radius:10px;border:0}
.video-placeholder{padding:38px;text-align:center;color:var(--muted);font-weight:800}

@media(max-width:700px){.video-wrap iframe{height:220px}}

/* COMPARE 2 - style mới (cute VS cards) */
.compare2-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap}
.compare2-title{font-weight:950;font-size:20px;color:#065f46}
.compare2-sub{color:var(--muted);font-weight:800;font-size:13.5px}

.compare2-grid{
  margin-top:12px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}
@media(max-width:900px){ .compare2-grid{grid-template-columns:1fr;} }

.compare2-box{
  border-radius:18px;
  border:2px solid var(--border);
  box-shadow: 0 10px 22px rgba(0,0,0,.06);
  padding:14px;
  background:#fff;
  position:relative;
  overflow:hidden;
}
.compare2-box:before{
  content:"";
  position:absolute; inset:0;
  opacity:.55;
  pointer-events:none;
}
.compare2-box.other:before{
  background: linear-gradient(135deg, rgba(239,68,68,.14), rgba(250,204,21,.10));
}
.compare2-box.chanh:before{
  background: linear-gradient(135deg, rgba(34,197,94,.14), rgba(250,204,21,.14));
}

.compare2-top{display:flex;justify-content:space-between;align-items:center;gap:10px;position:relative}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:999px;
  font-weight:950;font-size:13.5px;
  border:2px dashed rgba(6,95,70,.22);
  background:#fff;
}
.badge.other{border-color: rgba(239,68,68,.35)}
.badge.chanh{border-color: rgba(34,197,94,.35)}

.tagline{color:#065f46;font-weight:900;font-size:13px;opacity:.9}

.compare2-list{
  list-style:none;
  padding:0;
  margin:12px 0 0;
  position:relative;
}
.compare2-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px 10px;
  border-radius:14px;
  background: rgba(255,255,255,.7);
  border:1px dashed rgba(6,95,70,.14);
  margin-bottom:10px;
  font-weight:850;
  color:#065f46;
}
.compare2-box.other .compare2-list li{
  border-color: rgba(239,68,68,.16);
  color:#7f1d1d;
}
.compare2-box.chanh .compare2-list li{
  border-color: rgba(34,197,94,.18);
  color:#065f46;
}

.compare2-list .ico{
  min-width:26px;
  height:26px;
  display:inline-grid;
  place-items:center;
  border-radius:10px;
  background: rgba(250,204,21,.35);
  border:1px solid rgba(250,204,21,.55);
}

.compare2-foot{
  margin-top:6px;
  font-size:12.5px;
  font-weight:900;
  color:var(--muted);
  position:relative;
}