:root {
  --pri: #0a7d5f; --pri-d: #07624a; --pri-l: #e3f4ee; --acc: #f26b1d; --acc-d: #d85a10;
  --bg: #ffffff; --soft: #f4f7f6; --text: #14201b; --muted: #5f6d67; --line: #e3e8e6; --card: #fff;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --pri: #22b58a; --pri-d: #1a9a75; --pri-l: #12352b; --acc: #fb8a45; --acc-d: #f26b1d;
    --bg: #0f1413; --soft: #151c1a; --text: #e8eeec; --muted: #93a19b; --line: #26312e; --card: #182120; color-scheme: dark; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 16px/1.6 system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif; background: var(--bg); color: var(--text); padding-bottom: 64px; }
@media (min-width: 900px) { body { padding-bottom: 0; } }
a { color: var(--pri); text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 12px; }
h2 { font-size: clamp(22px, 3.2vw, 32px); }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.btn { display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 18px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); color: var(--text); font-weight: 600; white-space: nowrap; cursor: pointer; font-size: 15px; }
.btn.acc { background: var(--acc); border-color: var(--acc); color: #fff; }
.btn.acc:hover { background: var(--acc-d); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--pri); }
.btn.lg { height: 52px; padding: 0 24px; font-size: 16.5px; border-radius: 14px; }
.btn.block { width: 100%; }
.pill { display: inline-block; padding: 5px 12px; border-radius: 999px; background: var(--pri-l); color: var(--pri); font-size: 13.5px; font-weight: 600; }
.tag { display: inline-block; padding: 2px 9px; border-radius: 999px; background: #fdeadf; color: var(--acc-d); font-size: 12px; font-weight: 600; margin-bottom: 6px; }

/* Header */
.nav { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; gap: 18px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--text); }
.links { display: none; gap: 22px; margin-left: 12px; }
.links a { color: var(--text); font-weight: 500; }
.nav-cta { margin-left: auto; display: flex; gap: 6px; }
.nav-cta .ghost { display: none; }
@media (min-width: 900px) { .links { display: flex; } .nav-cta .ghost { display: inline-flex; } }

/* Hero */
.hero { background: radial-gradient(1100px 500px at 85% -10%, var(--pri-l), transparent 60%), var(--bg); padding: 36px 0 20px; overflow: hidden; }
.hero-in { display: grid; gap: 36px; align-items: center; }
@media (min-width: 900px) { .hero-in { grid-template-columns: 1.15fr 0.85fr; } .hero { padding: 72px 0 48px; } }
.hero h1 { font-size: clamp(30px, 5.4vw, 54px); letter-spacing: -0.02em; margin: 14px 0 14px; }
.hero h1 em { font-style: normal; color: var(--acc); }
.lead { font-size: 18px; color: var(--muted); max-width: 560px; }
.hero-cta { display: flex; gap: 10px; flex-wrap: wrap; margin: 22px 0 16px; }
@media (max-width: 599px) { .hero-cta .btn { flex: 1 1 100%; } .nav-cta .btn { height: 40px; padding: 0 14px; } }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; color: var(--muted); }
.ticks li::before { content: '✓'; color: var(--pri); font-weight: 800; margin-right: 8px; }
.phone { justify-self: center; width: 290px; border-radius: 40px; padding: 12px; background: #0f1714; box-shadow: 0 30px 60px rgba(10, 60, 45, 0.28); transform: rotate(-2deg); }
.phone-screen { background: #f2f4f5; border-radius: 30px; overflow: hidden; color: #16201c; font-size: 12.5px; padding-bottom: 14px; }
.ps-bar { background: #0a7d5f; color: #fff; padding: 16px 14px 12px; font-weight: 700; }
.ps-hero { margin: 10px; padding: 12px; border-radius: 14px; background: linear-gradient(135deg, #0a7d5f, #07624a); color: #fff; display: grid; }
.ps-hero b { font-size: 24px; }
.ps-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 0 10px; }
.ps-grid div { background: #fff; border-radius: 12px; padding: 8px 10px; display: grid; }
.ps-grid b { font-size: 16px; }
.ps-bars { display: flex; align-items: flex-end; gap: 5px; height: 70px; margin: 10px; padding: 8px; background: #fff; border-radius: 12px; }
.ps-bars i { flex: 1; background: #0a7d5f; border-radius: 3px 3px 0 0; }
.ps-bars i.t { background: #f26b1d; }
.ps-row { display: flex; justify-content: space-between; background: #fff; margin: 6px 10px 0; padding: 9px 10px; border-radius: 10px; }
.ps-sell { margin: 12px 10px 0; background: #f26b1d; color: #fff; text-align: center; padding: 11px; border-radius: 12px; font-weight: 700; }

.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; }
@media (min-width: 900px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stats div { background: var(--soft); border-radius: 16px; padding: 16px; display: grid; }
.stats b { font-size: 20px; color: var(--pri); }
.stats span { color: var(--muted); font-size: 14px; }

.sec { padding: 44px 16px 8px; }
.sub { color: var(--muted); margin: -4px 0 22px; }
.sec-h { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.features { display: grid; gap: 14px; }
@media (min-width: 640px) { .features { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .features { grid-template-columns: repeat(4, 1fr); } }
.feat { border: 1px solid var(--line); border-radius: 18px; padding: 18px; background: var(--card); }
.feat i { font-style: normal; font-size: 28px; }
.feat h3 { margin: 8px 0 6px; font-size: 17px; }
.feat p { margin: 0; color: var(--muted); font-size: 14.5px; }
.inds { display: flex; flex-wrap: wrap; gap: 10px; }
.ind { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 14px; color: var(--text); background: var(--card); }
.ind span { font-size: 20px; }

/* Sản phẩm */
.pgrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 700px) { .pgrid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1000px) { .pgrid { grid-template-columns: repeat(4, 1fr); } }
.pcard { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--card); color: var(--text); display: flex; flex-direction: column; }
.pimg { aspect-ratio: 1; background: var(--soft); display: flex; align-items: center; justify-content: center; }
.pimg img { width: 100%; height: 100%; object-fit: cover; }
.pimg span { font-size: 40px; font-weight: 800; color: var(--muted); }
.pbody { padding: 10px 12px 12px; display: grid; gap: 2px; }
.pname { font-weight: 600; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.7em; }
.pprice { color: var(--acc-d); font-weight: 800; }
.pprice small { color: var(--muted); font-weight: 500; }
.pretail, .pshop { font-size: 13px; color: var(--muted); }
.posts { display: grid; gap: 12px; }
@media (min-width: 800px) { .posts { grid-template-columns: 1fr 1fr; } }
.post { display: flex; gap: 12px; border: 1px solid var(--line); border-radius: 16px; padding: 12px; color: var(--text); background: var(--card); }
.post img { width: 110px; height: 110px; object-fit: cover; border-radius: 12px; flex: none; }
.post h3 { font-size: 16.5px; margin: 0 0 4px; }
.post p { margin: 0 0 4px; font-size: 14px; }

.steps { list-style: none; padding: 0; display: grid; gap: 12px; counter-reset: s; }
@media (min-width: 800px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.steps li { counter-increment: s; background: var(--soft); border-radius: 16px; padding: 18px 18px 18px 64px; position: relative; display: grid; }
.steps li::before { content: counter(s); position: absolute; left: 16px; top: 16px; width: 36px; height: 36px; border-radius: 50%; background: var(--pri); color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.steps span { color: var(--muted); }
.plans { display: grid; gap: 14px; max-width: 820px; }
@media (min-width: 700px) { .plans { grid-template-columns: 1fr 1fr; } }
.plan { border: 1px solid var(--line); border-radius: 20px; padding: 22px; position: relative; background: var(--card); }
.plan.hot { border: 2px solid var(--acc); }
.plan .pill { position: absolute; top: -13px; right: 18px; background: var(--acc); color: #fff; }
.plan .price { font-size: 30px; font-weight: 800; margin-bottom: 8px; }
.plan ul { padding-left: 20px; color: var(--muted); margin: 0 0 18px; }
.faq details { border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; margin-bottom: 10px; background: var(--card); }
.faq summary { font-weight: 600; cursor: pointer; }
.faq p { color: var(--muted); margin: 10px 0 0; }
.cta-band { margin-top: 48px; padding: 48px 0; background: linear-gradient(135deg, var(--pri), var(--pri-d)); color: #fff; text-align: center; }
.cta-band h2 { margin-bottom: 18px; }

/* Chợ, chi tiết */
.h1 { font-size: clamp(24px, 3.4vw, 34px); }
.msearch { display: flex; gap: 8px; margin: 8px 0 12px; }
.msearch input { flex: 1; height: 48px; border-radius: 12px; border: 1px solid var(--line); padding: 0 14px; font-size: 16px; background: var(--card); color: var(--text); }
.chips { display: flex; gap: 8px; overflow-x: auto; padding: 4px 0 12px; scrollbar-width: none; }
.chip { flex: none; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line); color: var(--text); font-size: 14px; background: var(--card); white-space: nowrap; }
.chip.on { background: var(--pri); border-color: var(--pri); color: #fff; }
.empty { padding: 48px 16px; text-align: center; color: var(--muted); }
.pager { display: flex; justify-content: center; gap: 10px; padding: 22px 0; }
.detail { display: grid; gap: 24px; }
@media (min-width: 900px) { .detail { grid-template-columns: 1fr 1fr; } }
.gallery .main { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 18px; background: var(--soft); }
.gallery .noimg { display: flex; align-items: center; justify-content: center; font-size: 80px; font-weight: 800; color: var(--muted); }
.gallery .thumbs { display: flex; gap: 8px; margin-top: 8px; }
.gallery .thumbs img { width: 64px; height: 64px; object-fit: cover; border-radius: 10px; }
.bigprice { font-size: 17px; margin: 6px 0 14px; }
.bigprice b { font-size: 28px; color: var(--acc-d); }
.tbl { border-collapse: collapse; margin: 8px 0 14px; }
.tbl th, .tbl td { border: 1px solid var(--line); padding: 7px 12px; text-align: left; }
.shopbox { border: 1px solid var(--line); border-radius: 16px; padding: 14px; display: grid; gap: 10px; margin: 16px 0; background: var(--soft); }
.row-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.desc { white-space: pre-line; color: var(--text); }
.article { max-width: 760px; }
.article .cover { border-radius: 16px; margin: 14px 0; }
.shophead { display: flex; gap: 16px; align-items: flex-start; }
.shophead img, .slogo { width: 72px; height: 72px; border-radius: 18px; object-fit: cover; flex: none; }
.slogo { background: var(--pri-l); color: var(--pri); font-size: 32px; font-weight: 800; display: flex; align-items: center; justify-content: center; }

/* Footer */
.foot { border-top: 1px solid var(--line); margin-top: 40px; padding: 32px 0 18px; background: var(--soft); }
.foot-in { display: grid; gap: 22px; }
@media (min-width: 800px) { .foot-in { grid-template-columns: 2fr 1fr 1fr; } }
.foot-in > div { display: grid; gap: 6px; align-content: start; }
.foot a { color: var(--text); }
.copy { padding-top: 22px; font-size: 13px; }
.mbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; display: flex; background: var(--card); border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom, 0); }
.mbar a { flex: 1; text-align: center; padding: 12px 4px; color: var(--text); font-size: 13.5px; font-weight: 600; }
.mbar a.go { background: var(--acc); color: #fff; }
@media (min-width: 900px) { .mbar { display: none; } }