/* ===========================================================
   NỘI THẤT KIM ĐÀO — Nội thất văn phòng cao cấp
   Tông màu PHONG THỦY MỆNH MỘC (gia chủ nam 1989 – Kỷ Tỵ)
   Xanh ngọc/lục bảo (bản mệnh Mộc) · Xanh thẫm-teal (Thủy tương sinh)
   · Nhấn vàng kim (sang trọng) · Nền kem gỗ ấm
   =========================================================== */

:root{
  --green-900:#0c2a1a;   /* xanh rừng thẫm nhất */
  --green-800:#123d27;
  --green-700:#1b6e44;   /* lục bảo chủ đạo */
  --green-600:#27895a;
  --jade:#3fa372;        /* ngọc bích sáng */
  --teal:#0e3b3b;        /* Thủy – tương sinh Mộc */
  --teal-2:#114f4a;
  --gold:#c4a052;        /* vàng kim sang trọng (nhấn) */
  --gold-2:#e6cd86;
  --cream:#f6f4ec;       /* nền kem gỗ ấm */
  --cream-2:#eceadd;
  --paper:#fffefb;
  --ink:#16241b;         /* chữ chính – đen xanh */
  --muted:#5f6b60;
  --line:#dcdccb;
  --red:#9c3b2e;         /* nhãn giảm giá – đỏ đất */
  --shadow:0 20px 55px rgba(14,40,26,.20);
  --shadow-sm:0 10px 30px rgba(14,40,26,.13);
  --radius:16px;
  --maxw:1240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Be Vietnam Pro',system-ui,sans-serif;color:var(--ink);background:var(--cream);line-height:1.6}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.18;color:var(--green-900)}
.serif{font-family:'Playfair Display',serif}
section{scroll-margin-top:84px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;font-weight:700;font-size:14px;padding:11px 20px;border-radius:999px;transition:.25s;font-family:inherit}
.btn--primary{background:linear-gradient(135deg,var(--green-700),var(--green-600));color:#fff;box-shadow:0 10px 22px rgba(27,110,68,.38)}
.btn--primary:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(27,110,68,.5)}
.btn--gold{background:linear-gradient(135deg,var(--gold),#b58e3c);color:#23200f;box-shadow:0 10px 22px rgba(196,160,82,.4)}
.btn--gold:hover{transform:translateY(-3px)}
.btn--ghost{background:transparent;color:var(--green-800);border:2px solid var(--green-700)}
.btn--ghost:hover{background:var(--green-700);color:#fff}

/* ---------- Topbar ---------- */
.topbar{background:linear-gradient(90deg,var(--green-900),var(--teal));color:var(--gold-2);font-size:13.5px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:9px 22px}
.tb-promo{display:flex;align-items:center;gap:8px;font-weight:600}
.tb-promo .dot{width:8px;height:8px;border-radius:50%;background:var(--gold);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(196,160,82,.7)}70%{box-shadow:0 0 0 9px rgba(196,160,82,0)}100%{box-shadow:0 0 0 0 rgba(196,160,82,0)}}
.tb-right{display:flex;gap:18px}
.tb-right a{opacity:.92}
.tb-right a:hover{opacity:1;color:#fff}
@media(max-width:820px){.tb-right{display:none}}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,254,251,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:13px 22px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:25px;letter-spacing:1px;color:var(--green-900)}
.brand .mark{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;color:#fff;font-size:16px;font-weight:800;letter-spacing:-.5px;background:linear-gradient(135deg,var(--green-700),var(--jade));box-shadow:0 8px 18px rgba(27,110,68,.4);position:relative}
.brand .mark::after{content:"";position:absolute;inset:3px;border:1.5px solid rgba(230,205,134,.6);border-radius:9px}
.brand small{display:block;font-size:10px;font-weight:600;letter-spacing:2.5px;color:var(--green-600)}
.nav-links{display:flex;gap:4px;list-style:none}
.nav-links a{padding:9px 13px;font-weight:600;font-size:15px;border-radius:10px;color:var(--green-800)}
.nav-links a:hover{background:var(--cream-2);color:var(--green-700)}
.nav-phone{display:flex;align-items:center;gap:7px;font-weight:800;color:var(--green-700);font-size:15px;white-space:nowrap}
@media(max-width:980px){.nav-links{display:none}}
@media(max-width:560px){.nav-phone{font-size:13px}}

/* ---------- Hero (trang chủ) ---------- */
.hero{position:relative;background:
  radial-gradient(800px 400px at 88% -10%,rgba(196,160,82,.22),transparent),
  radial-gradient(700px 500px at -10% 120%,rgba(27,110,68,.16),transparent),
  linear-gradient(160deg,var(--cream),var(--cream-2));
  border-bottom:1px solid var(--line);overflow:hidden}
.hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding-top:46px;padding-bottom:50px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--green-700);background:#fff;padding:7px 15px;border-radius:999px;box-shadow:var(--shadow-sm);margin-bottom:18px}
.hero h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;letter-spacing:-.5px}
.hero h1 .accent{color:var(--green-700)}
.hero h1 .gold{background:linear-gradient(120deg,var(--gold),#9c7a2a);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{color:#3c4a3f;font-size:clamp(15px,1.7vw,18px);margin-top:18px;max-width:540px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero-cta .btn{padding:14px 24px;font-size:15px}
.hero-stats{display:flex;gap:28px;margin-top:30px;flex-wrap:wrap}
.hero-stats .st b{display:block;font-family:'Playfair Display',serif;font-size:28px;color:var(--green-800);line-height:1}
.hero-stats .st span{font-size:13px;color:var(--muted)}
.hero-media{position:relative}
.hero-media .frame{background:radial-gradient(circle at 50% 35%,#fff,#eef1e7);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:22px;position:relative;overflow:hidden}
.hero-media .frame::before{content:"";position:absolute;inset:0;border:2px solid rgba(196,160,82,.25);border-radius:24px;margin:9px;pointer-events:none}
.hero-media img{width:100%;height:420px;object-fit:contain}
.hero-media .badge{position:absolute;bottom:-16px;left:24px;background:linear-gradient(135deg,var(--green-700),var(--green-600));color:#fff;padding:12px 18px;border-radius:14px;box-shadow:var(--shadow);font-size:13.5px;font-weight:700}
.hero-media .badge b{color:var(--gold-2)}
.hero-media .ribbon{position:absolute;top:-12px;right:24px;background:var(--gold);color:#23200f;font-weight:800;font-size:13px;padding:9px 16px;border-radius:12px;box-shadow:var(--shadow-sm)}
@media(max-width:900px){.hero .container{grid-template-columns:1fr;gap:26px}.hero-media img{height:320px}.hero-media{order:-1}}

/* ---------- Trust strip ---------- */
.trust{background:var(--green-900);color:#e9f1e6}
.trust .container{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:22px}
.trust .ti{display:flex;align-items:center;gap:12px}
.trust .ti .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(196,160,82,.16);font-size:22px;flex:0 0 auto}
.trust .ti b{display:block;font-size:15px;color:#fff}
.trust .ti span{font-size:12.5px;opacity:.78}
@media(max-width:860px){.trust .container{grid-template-columns:1fr 1fr;gap:14px}}

/* ---------- Section heading ---------- */
.sec{padding:64px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 40px}
.sec-eyebrow{font-weight:700;font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--gold);margin-bottom:10px}
.sec-head h2{font-size:clamp(25px,3.2vw,38px);font-weight:800}
.sec-head p{color:var(--muted);margin-top:12px;font-size:16px}
.sec-head .line{width:64px;height:3px;background:linear-gradient(90deg,var(--green-700),var(--gold));border-radius:3px;margin:16px auto 0}

/* ---------- Danh mục (category grid – trang chủ) ---------- */
.cats{background:linear-gradient(180deg,#fff,var(--cream))}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cat-tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px;display:flex;flex-direction:column;gap:8px;transition:.25s;position:relative;overflow:hidden}
.cat-tile::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--green-700),var(--gold));transform:scaleY(0);transform-origin:top;transition:.3s}
.cat-tile:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.cat-tile:hover::before{transform:scaleY(1)}
.cat-tile .ci{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:26px;background:linear-gradient(135deg,rgba(27,110,68,.12),rgba(196,160,82,.14))}
.cat-tile h3{font-size:16.5px;font-weight:700;color:var(--green-900)}
.cat-tile span{font-size:13px;color:var(--muted)}
.cat-tile .go{margin-top:auto;font-size:13px;font-weight:700;color:var(--green-700);display:flex;align-items:center;gap:5px;transition:gap .2s}
.cat-tile:hover .go{gap:10px}
@media(max-width:980px){.cat-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:720px){.cat-grid{grid-template-columns:1fr 1fr;gap:12px}}

/* ---------- Catalog hero (trang danh mục) ---------- */
.cat-hero{background:radial-gradient(900px 360px at 80% -20%,rgba(196,160,82,.28),transparent),linear-gradient(180deg,var(--cream),var(--cream-2));padding:26px 0 22px;border-bottom:1px solid var(--line)}
.bc{font-size:13.5px;color:var(--muted);margin-bottom:8px}
.bc a:hover{color:var(--green-700)}
.cat-hero h1{font-size:clamp(26px,3.4vw,38px);font-weight:800}
.cat-hero .sub{color:var(--muted);margin-top:6px}
.cat-hero .count{display:inline-block;margin-top:10px;background:#fff;color:var(--green-700);font-weight:700;font-size:13px;padding:6px 14px;border-radius:999px;box-shadow:var(--shadow-sm)}
.chips{display:flex;gap:9px;overflow-x:auto;padding:16px 0 4px;scrollbar-width:thin}
.chip{flex:0 0 auto;padding:9px 16px;border-radius:999px;background:#fff;border:1.5px solid var(--line);font-weight:600;font-size:13.5px;color:var(--green-800);transition:.2s;white-space:nowrap}
.chip:hover{border-color:var(--green-700);color:var(--green-700)}
.chip.active{background:linear-gradient(135deg,var(--green-700),var(--green-600));color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(27,110,68,.35)}

/* ---------- Product grid + cards ---------- */
.wrap{padding:26px 0 60px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:1080px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.grid{grid-template-columns:1fr 1fr;gap:14px}}
.card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.3s;border:1px solid var(--line);display:flex;flex-direction:column;cursor:pointer}
.card:hover{transform:translateY(-7px);box-shadow:var(--shadow)}
.thumb{position:relative;overflow:hidden;aspect-ratio:1/1;background:radial-gradient(circle at 50% 36%,#ffffff,#eef1e7);border-bottom:1px solid var(--line)}
.thumb img{width:100%;height:100%;object-fit:contain;padding:10px;transition:transform .55s ease}
.card:hover .thumb img{transform:scale(1.06)}
.per{position:absolute;top:10px;left:10px;background:var(--red);color:#fff;font-size:12px;font-weight:700;padding:5px 10px;border-radius:999px}
.body{padding:14px;display:flex;flex-direction:column;flex:1}
.nm{font-size:14.5px;font-weight:600;color:var(--green-900);min-height:42px;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pr{display:flex;align-items:baseline;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.pr .new{font-size:18px;font-weight:800;color:var(--green-700)}
.pr .old{font-size:13px;color:#a6ac9c;text-decoration:line-through}
.card .btn{margin-top:auto;justify-content:center}

/* ---------- About / câu chuyện ---------- */
.about{background:linear-gradient(180deg,var(--cream),#fff)}
.about .container{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-media{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.about-media img{width:100%;height:100%;object-fit:contain;background:radial-gradient(circle at 50% 40%,#fff,#eef1e7);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm);padding:12px;aspect-ratio:1/1}
.about-media img:first-child{margin-top:26px}
.about h2{font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:8px}
.about .sub{color:var(--gold);font-weight:700;letter-spacing:1px;text-transform:uppercase;font-size:13px;margin-bottom:14px}
.about p{color:#3c4a3f;margin-bottom:14px}
.about .feats{list-style:none;display:grid;gap:12px;margin-top:18px}
.about .feats li{display:flex;gap:12px;align-items:flex-start}
.about .feats .ck{width:26px;height:26px;border-radius:50%;background:rgba(27,110,68,.12);color:var(--green-700);display:grid;place-items:center;font-size:14px;flex:0 0 auto;font-weight:800}
.about .feats b{color:var(--green-900)}
@media(max-width:880px){.about .container{grid-template-columns:1fr;gap:28px}.about-media{order:-1}}

/* ---------- Quy trình ---------- */
.process{background:var(--green-900);color:#e9f1e6}
.process .sec-head h2{color:#fff}
.process .sec-eyebrow{color:var(--gold-2)}
.process .sec-head p{color:#b9c9b8}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:rgba(255,255,255,.04);border:1px solid rgba(196,160,82,.22);border-radius:var(--radius);padding:26px 20px;position:relative}
.step .no{font-family:'Playfair Display',serif;font-size:40px;color:var(--gold);line-height:1;opacity:.9}
.step h3{color:#fff;font-size:17px;margin:10px 0 8px}
.step p{font-size:13.5px;color:#b9c9b8}
@media(max-width:860px){.steps{grid-template-columns:1fr 1fr}}

/* ---------- Vì sao chọn (why) ---------- */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.why-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:.25s}
.why-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.why-card .ic{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;font-size:26px;background:linear-gradient(135deg,rgba(27,110,68,.12),rgba(196,160,82,.16));margin-bottom:14px}
.why-card h3{font-size:18px;margin-bottom:8px;color:var(--green-900)}
.why-card p{color:#3c4a3f;font-size:14.5px}
@media(max-width:820px){.why-grid{grid-template-columns:1fr}}

/* ---------- Liên hệ ---------- */
.contact{background:linear-gradient(180deg,#fff,var(--cream))}
.contact .container{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:stretch}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:var(--shadow-sm)}
.contact-card h3{font-size:24px;margin-bottom:6px}
.contact-card .muted{color:var(--muted);margin-bottom:22px}
.cinfo{display:grid;gap:16px}
.cinfo .row{display:flex;gap:14px;align-items:flex-start}
.cinfo .ic{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--green-700),var(--green-600));color:#fff;display:grid;place-items:center;font-size:20px;flex:0 0 auto}
.cinfo .row b{display:block;font-size:15px;color:var(--green-900)}
.cinfo .row a,.cinfo .row span{color:#3c4a3f;font-size:14.5px}
.cinfo .row a:hover{color:var(--green-700)}
.socials{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.soc{display:inline-flex;align-items:center;gap:8px;padding:11px 16px;border-radius:12px;font-weight:700;font-size:14px;color:#fff;transition:.22s}
.soc:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.soc.zalo{background:#0068ff}.soc.fb{background:#1877f2}.soc.yt{background:#ff0000}.soc.tt{background:#111}
.contact-side{background:radial-gradient(700px 420px at 80% -10%,rgba(196,160,82,.2),transparent),linear-gradient(160deg,var(--green-800),var(--teal));color:#eaf2e7;border-radius:20px;padding:34px;display:flex;flex-direction:column;justify-content:center}
.contact-side h3{color:#fff;font-size:26px;margin-bottom:12px}
.contact-side p{color:#cfe0cd;margin-bottom:8px}
.contact-side .big{font-family:'Playfair Display',serif;font-size:30px;color:var(--gold-2);margin:10px 0}
.contact-side .cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.fengshui-note{margin-top:22px;font-size:13px;color:#bfd3bd;border-top:1px solid rgba(196,160,82,.3);padding-top:16px}
.fengshui-note b{color:var(--gold-2)}
@media(max-width:880px){.contact .container{grid-template-columns:1fr}}

/* ---------- Footer ---------- */
.footer{background:var(--green-900);color:#cddcc8;padding:50px 0 24px;margin-top:10px}
.footer .ftop{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(196,160,82,.2)}
.footer .brand{color:#fff;margin-bottom:14px}
.footer .brand .mark{background:linear-gradient(135deg,var(--gold),#b58e3c)}
.footer p{font-size:13.5px;opacity:.82;line-height:1.7}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.5px}
.footer ul{list-style:none;display:grid;gap:9px}
.footer ul a{font-size:13.5px;opacity:.82}
.footer ul a:hover{opacity:1;color:var(--gold-2)}
.footer .fbot{padding-top:20px;text-align:center;font-size:13px;opacity:.72}
.footer .fbot b{color:var(--gold-2)}
@media(max-width:860px){.footer .ftop{grid-template-columns:1fr 1fr;gap:24px}}
@media(max-width:520px){.footer .ftop{grid-template-columns:1fr}}

/* ---------- Floating buttons ---------- */
.floats{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:12px}
.fab{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:22px;box-shadow:var(--shadow);transition:.25s;position:relative}
.fab:hover{transform:scale(1.1)}
.fab.phone{background:#2ecc71}.fab.zalo{background:#0068ff;font-size:14px;font-weight:800}.fab.top{background:var(--green-700)}
.fab.phone::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid #2ecc71;animation:ring 1.5s infinite}
@keyframes ring{0%{transform:scale(1);opacity:1}100%{transform:scale(1.7);opacity:0}}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}