/* assets/style.css — CSS dùng chung cho toàn site HPHONE
   Tách ra từ phần trùng lặp giữa các trang để browser cache 1 lần,
   dùng lại cho mọi trang thay vì tải lại mỗi khi chuyển trang. */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --black:#0a0a0a;
  --white:#fafafa;
  --gray-100:#f5f5f5;
  --gray-200:#e8e8e8;
  --gray-400:#a0a0a0;
  --gray-600:#606060;
  --gray-800:#2a2a2a;
  --accent:#c8a96e;
  --accent-light:#e8d5a8;
  --font-display:'Inter',sans-serif;
  --font-body:'Inter',sans-serif;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-xl:28px;
  --transition:0.3s cubic-bezier(0.4,0,0.2,1);
}
html{scroll-behavior:smooth}
html{overflow-x:hidden}
body{font-family:var(--font-body);background:var(--white);color:var(--black);font-size:15px;line-height:1.6;overflow-x:hidden}
a{color:inherit}

/* ── hp-float-widget : Zalo / Messenger / Gọi ── */
.hp-float{position:fixed;bottom:24px;right:20px;z-index:9999;display:flex;flex-direction:column;align-items:center;gap:12px}
.hp-fbtn{position:relative;width:54px;height:54px;border-radius:16px;display:flex;align-items:center;justify-content:center;text-decoration:none;background:#fff;box-shadow:0 6px 20px rgba(0,0,0,.18);transition:transform .2s ease,box-shadow .2s ease;overflow:hidden}
.hp-fbtn:hover{transform:translateY(-3px) scale(1.06);box-shadow:0 10px 28px rgba(0,0,0,.26)}
.hp-fbtn img{width:100%;height:100%;object-fit:contain}
.hp-fbtn.hp-phone{background:linear-gradient(135deg,#11998e,#38ef7d)}
.hp-fbtn.hp-phone svg{width:24px;height:24px;fill:#fff}
.hp-fbtn .hp-tip{position:absolute;right:64px;top:50%;transform:translateY(-50%);background:rgba(10,10,10,.88);color:#fff;font-size:12px;font-weight:500;padding:6px 11px;border-radius:8px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s}
.hp-fbtn:hover .hp-tip{opacity:1}
.hp-fbtn.hp-phone::after{content:'';position:absolute;inset:-4px;border-radius:18px;border:2px solid rgba(56,239,125,.55);animation:hp-ring 1.8s ease-out infinite}
@keyframes hp-ring{0%{transform:scale(1);opacity:.8}100%{transform:scale(1.35);opacity:0}}
@media(max-width:600px){.hp-float{bottom:18px;right:14px}.hp-fbtn{width:48px;height:48px}}

/* ── hp-search-autocomplete : dropdown gợi ý sản phẩm ở ô tìm kiếm ── */
.nav-search{position:relative}
.hp-ac{position:absolute;top:calc(100% + 10px);right:0;width:340px;max-width:82vw;background:#fff;border-radius:14px;box-shadow:0 14px 44px rgba(0,0,0,.3);overflow:hidden;z-index:1000;display:none;font-family:var(--font-body,'Inter',Arial,sans-serif);text-align:left}
.hp-ac.open{display:block}
.hp-ac-item{display:flex;align-items:center;gap:12px;padding:10px 14px;text-decoration:none;color:#0a0a0a;border-bottom:1px solid #f1f1f1;cursor:pointer;transition:background .15s}
.hp-ac-item:last-of-type{border-bottom:none}
.hp-ac-item:hover,.hp-ac-item.active{background:#f5f5f5}
.hp-ac-thumb{width:44px;height:44px;border-radius:10px;object-fit:cover;background:#f0f0f0;flex-shrink:0}
.hp-ac-info{min-width:0;flex:1}
.hp-ac-name{font-size:13px;font-weight:600;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hp-ac-meta{font-size:12.5px;color:#8a6a30;font-weight:700;margin-top:3px}
.hp-ac-sub{color:#999;font-weight:400;font-size:11px}
.hp-ac-foot{display:block;padding:11px 14px;text-align:center;font-size:12px;font-weight:600;color:#0a0a0a;background:#fafafa;text-decoration:none;border-top:1px solid #eee}
.hp-ac-foot:hover{background:#eee}
.hp-ac-empty{padding:20px 14px;text-align:center;font-size:13px;color:#999}
.hp-ac-loading{padding:18px;text-align:center;font-size:12px;color:#bbb}
@media(max-width:600px){.hp-ac{width:290px}}