/* ───────────────────────────────────────────────────────────
   Nhà Vườn An Thắng — Eco Green design system
   ─────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&family=Lora:ital,wght@0,500;0,600;1,500&display=swap');

:root{
  /* surfaces */
  --bg:#f4f7ef; --surface:#ffffff; --surface-2:#eef4e6; --cream:#faf8f1;
  /* green ramp */
  --g-900:#15301f; --g-800:#1b4332; --g-700:#2d6a4f; --g-600:#40916c;
  --g-500:#52b788; --g-400:#74c69d; --g-300:#95d5b2; --g-100:#d8f3dc;
  /* group accents */
  --hoa:#d6608a; --rau:#e08e3c; --cay:#8a5a3b; --dungcu:#3a7d6b;
  /* text */
  --fg:#16271c; --fg-2:#3c4f43; --muted:#6a7a6e; --on-dark:#eaf3ea;
  /* lines & accent */
  --border:rgba(27,67,50,.12); --border-soft:rgba(27,67,50,.06);
  --accent:#2d6a4f; --accent-600:#40916c; --accent-on:#fff;
  /* type */
  --font:"Be Vietnam Pro",-apple-system,"Segoe UI",Roboto,sans-serif;
  --serif:"Lora",Georgia,serif;
  /* shape */
  --r:14px; --r-lg:22px; --r-sm:9px;
  --shadow:0 1px 2px rgba(21,48,31,.05),0 10px 30px rgba(21,48,31,.07);
  --shadow-lg:0 20px 50px rgba(21,48,31,.13);
  --ease:cubic-bezier(.23,1,.32,1);
  --maxw:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--fg);line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.serif{font-family:var(--serif)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;
  font-family:var(--font);font-weight:600;font-size:15px;line-height:1;cursor:pointer;
  padding:13px 22px;border-radius:999px;border:0;transition:.2s var(--ease);white-space:nowrap}
.btn-primary{background:var(--g-800);color:#fff;box-shadow:0 8px 20px rgba(27,67,50,.28)}
.btn-primary:hover{background:var(--g-900);transform:translateY(-2px);box-shadow:0 12px 26px rgba(27,67,50,.36)}
.btn-ghost{background:#fff;color:var(--g-800);box-shadow:inset 0 0 0 1.6px var(--g-600)}
.btn-ghost:hover{background:var(--g-100)}
.btn-sm{padding:9px 15px;font-size:13.5px}
.btn-block{width:100%}
/* brand-colored buy buttons */
.btn-zalo{background:#0068ff;color:#fff;box-shadow:0 8px 20px rgba(0,104,255,.28)}
.btn-zalo:hover{background:#0055d4;transform:translateY(-2px)}
.btn-shopee{background:#ee4d2d;color:#fff;box-shadow:0 8px 20px rgba(238,77,45,.28)}
.btn-shopee:hover{background:#d8401f;transform:translateY(-2px)}
.btn-tiktok{background:#111;color:#fff;box-shadow:0 8px 20px rgba(0,0,0,.25)}
.btn-tiktok:hover{background:#000;transform:translateY(-2px)}

/* ── header ── */
.nav{position:sticky;top:0;z-index:50;background:rgba(244,247,239,.86);
  backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--border)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px;gap:18px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;color:var(--g-800);letter-spacing:-.02em}
.brand .leaf{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--g-500),var(--g-700));
  display:grid;place-items:center;color:#fff;font-size:20px;box-shadow:0 4px 12px rgba(45,106,79,.3)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{padding:9px 14px;border-radius:999px;font-weight:500;font-size:15px;color:var(--fg-2);transition:.18s var(--ease)}
.nav-links a:hover,.nav-links a.active{background:var(--surface-2);color:var(--g-800)}
.nav-cta{margin-left:6px}
.burger{display:none;background:none;border:0;font-size:24px;color:var(--g-800);cursor:pointer;padding:6px}

/* ── hero ── */
.hero{position:relative;overflow:hidden;
  background:radial-gradient(1200px 500px at 80% -10%,var(--g-100),transparent),
             linear-gradient(160deg,#eaf3e2,#f4f7ef)}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:64px 0 72px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--g-700);
  font-weight:600;font-size:13.5px;padding:7px 14px;border-radius:999px;box-shadow:var(--shadow);margin-bottom:22px}
.hero h1{font-family:var(--serif);font-weight:600;font-size:clamp(34px,5vw,56px);line-height:1.08;
  color:var(--g-900);letter-spacing:-.01em;margin-bottom:18px}
.hero h1 em{font-style:italic;color:var(--g-600)}
.hero p.lead{font-size:18px;color:var(--fg-2);max-width:42ch;margin-bottom:26px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.hero-stats{display:flex;gap:26px}
.hero-stats .s b{font-family:var(--serif);font-size:26px;color:var(--g-700);display:block;line-height:1.1}
.hero-stats .s span{font-size:13.5px;color:var(--muted)}
.hero-art{position:relative;aspect-ratio:1/1}
.hero-collage{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:14px;height:100%}
.hero-collage .hc{border-radius:22px;overflow:hidden;box-shadow:var(--shadow-lg);background:var(--surface-2)}
.hero-collage .hc img{width:100%;height:100%;object-fit:cover;transition:.5s var(--ease)}
.hero-collage .hc:hover img{transform:scale(1.07)}
.hero-collage .hc:nth-child(1){transform:translateY(-14px)}
.hero-collage .hc:nth-child(4){transform:translateY(14px)}
.hero-badge{position:absolute;bottom:6px;left:50%;transform:translateX(-50%);background:rgba(255,255,255,.96);
  padding:11px 18px;border-radius:14px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:8px;font-weight:700;color:var(--g-800);white-space:nowrap;z-index:2}

/* trust strip */
.trust{background:var(--g-800);color:#eaf3ea}
.trust-in{display:flex;justify-content:space-around;gap:20px;flex-wrap:wrap;padding:20px 0}
.trust .t{display:flex;align-items:center;gap:11px;font-size:14.5px}
.trust .t b{font-family:var(--serif);font-size:24px;color:#fff;line-height:1}
.trust .t .ic{font-size:26px}

/* category cards with image bg */
.cat{background-size:cover;background-position:center}
.cat::before{content:"";position:absolute;inset:0;z-index:0}
.cat.hoa::before{background:linear-gradient(160deg,rgba(214,96,138,.62),rgba(200,77,120,.86))}
.cat.rau::before{background:linear-gradient(160deg,rgba(224,142,60,.6),rgba(207,115,32,.86))}
.cat.cay::before{background:linear-gradient(160deg,rgba(138,90,59,.6),rgba(111,67,38,.88))}
.cat.dungcu::before{background:linear-gradient(160deg,rgba(79,160,136,.62),rgba(44,99,83,.88))}
.cat>*{position:relative;z-index:1}

/* scroll reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ── search ── */
.searchbar{display:flex;gap:10px;background:#fff;border-radius:999px;padding:7px 7px 7px 18px;
  box-shadow:var(--shadow);max-width:560px}
.searchbar input{flex:1;border:0;outline:0;font-family:var(--font);font-size:16px;color:var(--fg);background:transparent}
.searchbar input::placeholder{color:var(--muted)}

/* ── section ── */
.section{padding:66px 0}
.section.alt{background:linear-gradient(180deg,#fff,var(--cream))}
.sec-head{text-align:center;max-width:640px;margin:0 auto 42px}
.sec-head .kicker{color:var(--g-600);font-weight:700;font-size:13px;letter-spacing:.12em;text-transform:uppercase}
.sec-head h2{font-family:var(--serif);font-size:clamp(26px,3.4vw,38px);color:var(--g-900);margin:8px 0 10px;line-height:1.15}
.sec-head p{color:var(--fg-2);font-size:16.5px}

/* ── category cards ── */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cat{position:relative;border-radius:var(--r-lg);padding:26px 22px;overflow:hidden;color:#fff;
  min-height:168px;display:flex;flex-direction:column;justify-content:flex-end;transition:.25s var(--ease);box-shadow:var(--shadow)}
.cat:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.cat .ico{position:absolute;top:18px;right:18px;font-size:40px;opacity:.55}
.cat h3{font-size:21px;font-weight:700;margin-bottom:2px}
.cat span{font-size:14px;opacity:.92}
.cat.hoa{background:linear-gradient(150deg,#e98cae,#c84d78)}
.cat.rau{background:linear-gradient(150deg,#f0a85a,#cf7320)}
.cat.cay{background:linear-gradient(150deg,#a8754f,#6f4326)}
.cat.dungcu{background:linear-gradient(150deg,#4fa088,#2c6353)}

/* ── product grid + card ── */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--surface);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);
  transition:.25s var(--ease);display:flex;flex-direction:column;border:1px solid var(--border-soft)}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.card .thumb{aspect-ratio:1/1;overflow:hidden;background:var(--surface-2);position:relative}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:.4s var(--ease)}
.card:hover .thumb img{transform:scale(1.06)}
.tag{position:absolute;top:11px;left:11px;font-size:12px;font-weight:600;color:#fff;
  padding:5px 11px;border-radius:999px;backdrop-filter:blur(4px)}
.tag.hoa{background:rgba(214,96,138,.92)} .tag.rau{background:rgba(224,142,60,.92)}
.tag.cay{background:rgba(138,90,59,.92)} .tag.dungcu{background:rgba(58,125,107,.92)}
.card .body{padding:16px 17px 18px;display:flex;flex-direction:column;flex:1}
.card h3{font-size:17px;font-weight:700;color:var(--g-900);margin-bottom:6px;line-height:1.25}
.card p{font-size:13.7px;color:var(--muted);flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card .foot{display:flex;gap:8px;margin-top:14px}
.card .foot .btn{flex:1}

/* ── filter bar ── */
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:26px}
.chip{padding:9px 17px;border-radius:999px;background:#fff;color:var(--fg-2);font-weight:600;font-size:14px;
  cursor:pointer;border:1.5px solid var(--border);transition:.18s var(--ease)}
.chip:hover{border-color:var(--g-400)}
.chip.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.count-note{color:var(--muted);font-size:14.5px;margin-left:auto}

/* ── detail ── */
.detail-hero{display:grid;grid-template-columns:1fr 1.1fr;gap:38px;padding:34px 0 12px}
.detail-img{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:var(--surface-2);aspect-ratio:1/1}
.detail-img img{width:100%;height:100%;object-fit:cover}
.crumb{font-size:14px;color:var(--muted);margin:18px 0 6px}
.crumb a:hover{color:var(--g-700)}
.detail-hero h1{font-family:var(--serif);font-size:clamp(28px,3.6vw,40px);color:var(--g-900);line-height:1.12;margin:8px 0 12px}
.detail-lead{font-size:17.5px;color:var(--fg-2);margin-bottom:20px}
.detail-cta{display:flex;gap:11px;flex-wrap:wrap;margin-bottom:18px}
.pill-group{display:inline-flex;align-items:center;gap:7px;font-weight:600;font-size:13.5px;padding:6px 13px;border-radius:999px}
.sections{display:grid;gap:18px;padding:18px 0 10px}
.block{background:var(--surface);border-radius:var(--r-lg);padding:24px 26px;box-shadow:var(--shadow);border:1px solid var(--border-soft)}
.block h3{display:flex;align-items:center;gap:11px;font-size:19px;color:var(--g-800);margin-bottom:12px;font-weight:700}
.block h3 .b-ico{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-size:19px;background:var(--g-100);flex:none}
.block .txt{color:var(--fg-2);font-size:15.5px;white-space:pre-line}
[data-group="hoa"] .accentbar{background:var(--hoa)} [data-group="rau"] .accentbar{background:var(--rau)}
[data-group="cay"] .accentbar{background:var(--cay)} [data-group="dungcu"] .accentbar{background:var(--dungcu)}

/* ── gallery ── */
.gallery-main{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:var(--surface-2);aspect-ratio:1/1}
.gallery-main img{width:100%;height:100%;object-fit:cover}
.gallery-thumbs{display:flex;gap:9px;margin-top:11px;flex-wrap:wrap}
.gallery-thumbs img{width:66px;height:66px;object-fit:cover;border-radius:10px;cursor:pointer;border:2px solid transparent;transition:.18s var(--ease)}
.gallery-thumbs img:hover{transform:translateY(-2px)}
.gallery-thumbs img.active{border-color:var(--g-600)}

/* ── video embed ── */
.video-grid{display:flex;gap:16px;flex-wrap:wrap;align-items:flex-start}
.video-wrap{position:relative;flex:1;min-width:280px;aspect-ratio:16/9;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:#000}
.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-wrap.video-tt{flex:0 0 300px;max-width:300px;aspect-ratio:9/16}
@media(max-width:600px){.video-wrap.video-tt{flex:1;max-width:none;margin:0 auto}}

/* ── footer ── */
.footer{background:var(--g-900);color:var(--on-dark);padding:54px 0 26px;margin-top:30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;margin-bottom:30px}
.footer h4{color:#fff;font-size:17px;margin-bottom:14px;font-weight:700}
.footer p,.footer a{color:#c7d8c9;font-size:14.6px;margin-bottom:9px;display:block}
.footer a:hover{color:#fff}
.socials{display:flex;gap:11px;margin-top:16px}
.socials a{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;margin:0;transition:.2s var(--ease)}
.socials a svg{width:21px;height:21px;display:block}
.socials a:hover{transform:translateY(-3px);filter:brightness(1.08)}
.socials a.fb{background:#1877f2} .socials a.tt{background:#111} .socials a.yt{background:#ff0000} .socials a.zl{background:#0068ff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:18px;text-align:center;color:#9fb6a4;font-size:13.5px}

/* ── floating buttons ── */
.float-zalo{position:fixed;right:18px;bottom:18px;width:56px;height:56px;border-radius:50%;background:#0068ff;
  display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,104,255,.4);z-index:60;transition:.2s var(--ease);animation:pulse 2.2s infinite}
.float-zalo svg{width:30px;height:30px}
.float-zalo:hover{transform:scale(1.08)}
@keyframes pulse{0%{box-shadow:0 8px 24px rgba(0,104,255,.4),0 0 0 0 rgba(0,104,255,.4)}70%{box-shadow:0 8px 24px rgba(0,104,255,.4),0 0 0 14px rgba(0,104,255,0)}100%{box-shadow:0 8px 24px rgba(0,104,255,.4)}}
.to-top{position:fixed;right:20px;bottom:84px;width:44px;height:44px;border-radius:50%;border:0;cursor:pointer;
  background:var(--g-700);color:#fff;font-size:20px;box-shadow:var(--shadow);z-index:60;transition:.2s var(--ease)}
.to-top:hover{background:var(--g-800);transform:translateY(-2px)}

/* ── misc ── */
.empty{text-align:center;padding:70px 20px;color:var(--muted)}
.loading{text-align:center;padding:60px;color:var(--muted)}
.skel{background:linear-gradient(90deg,#eef4e6,#f6faf1,#eef4e6);background-size:200% 100%;animation:sk 1.3s infinite;border-radius:var(--r-lg);aspect-ratio:1/1}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ── responsive ── */
@media(max-width:980px){
  .cat-grid,.grid{grid-template-columns:repeat(2,1fr)}
  .hero-in,.detail-hero{grid-template-columns:1fr;gap:26px}
  .hero-art{max-width:460px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .nav-links{position:fixed;inset:68px 0 auto 0;flex-direction:column;background:var(--bg);
    padding:14px 22px 22px;gap:4px;border-bottom:1px solid var(--border);transform:translateY(-130%);transition:.28s var(--ease);align-items:stretch}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:13px}
  .burger{display:block}
  .grid,.cat-grid,.foot-grid{grid-template-columns:1fr}
  .hero-stats{gap:18px}
}