/* Giao diện "Biển cả" cho Xen Boutique: nền xanh nước biển, khối đầu trang xanh dương có sóng, điểm nhấn cát vàng.
   Màu lấy từ config.json (brand.colors) qua biến --primary, --accent, --ink, --muted, --bg, --card, --r.
   Mọi hiệu ứng tắt khi người dùng bật "giảm chuyển động". */
*{box-sizing:border-box}
[hidden]{display:none!important} /* thuộc tính hidden luôn thắng display:flex/grid */
:root{--line:#CFE3EF;--straw:#E9C987;--sand:#F5EAD3;--sun:#FFD27A;--deep:#063B5C;--foam:#DDEFF8;--serif:"Playfair Display",Georgia,"Times New Roman",serif}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Be Vietnam Pro","Inter Fallback",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.7;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
@font-face{font-family:"Inter Fallback";src:local("Arial");size-adjust:104%;ascent-override:92%}
img{max-width:100%;height:auto}
a{color:var(--primary)}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em;text-wrap:balance}
h1,h2{font-family:var(--serif);font-weight:700}
h1{font-size:clamp(34px,5vw,58px);margin:.3em 0}
h1 em,h2 em{font-style:normal;color:var(--primary);background:linear-gradient(transparent 70%,color-mix(in srgb,var(--straw) 55%,transparent) 0)} /* phông nghiêng Playfair lệch dấu tiếng Việt */
h2{font-size:clamp(26px,3.2vw,38px);margin:1.4em 0 .5em}
h3{font-size:19px;font-weight:600}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:99;background:#fff;padding:8px 12px}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.lede{font-size:18px;color:var(--muted);max-width:60ch}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.eyebrow::before{content:"";width:28px;height:1.5px;background:currentColor}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border:0;border-radius:999px;padding:12px 24px;background:var(--primary);color:#fff;font:600 15px/1 inherit;font-family:inherit;cursor:pointer;text-decoration:none;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 26px -12px var(--primary);background:color-mix(in srgb,var(--primary) 88%,#000)}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid color-mix(in srgb,var(--ink) 25%,transparent)}
.btn.ghost:hover{background:var(--card);box-shadow:none}
.btn.olive{background:var(--accent)}
.linkbtn{background:none;border:0;padding:0;color:inherit;font:inherit;text-decoration:underline;cursor:pointer}

/* ---- Bản xem trước: chỗ chờ bổ sung ---- */
.draft-bar{background:var(--deep);color:var(--sun);font-size:13px;text-align:center;padding:8px 16px}
.cho{background:#FFE58A;color:#5a4300;padding:1px 6px;border-radius:4px;border:1px dashed #C9A100;font-weight:600}

/* ---- Thanh menu ---- */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 94%,transparent);border-bottom:1px solid var(--line);transition:background .2s,box-shadow .2s}
.nav.scrolled{background:color-mix(in srgb,var(--bg) 80%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 6px 24px -18px rgba(11,42,63,.45)}
.nav-in{display:flex;align-items:center;gap:18px;height:72px}
.logo img{display:block;height:44px;width:auto}
/* Logo chữ theo mẫu thương hiệu: "Xen" chữ viết tay đỏ + BOUTIQUE chữ in giãn cách */
.wm{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);line-height:1;margin:0}
.wm b{font:400 38px/1 Lobster,"Brush Script MT",cursive;color:#D9121B;letter-spacing:-.01em;transform:translateY(-2px)}
.wm span{display:flex;flex-direction:column;gap:4px;font:600 12px/1 "Be Vietnam Pro",system-ui,sans-serif;letter-spacing:.32em}
.wm small{font-size:10px;letter-spacing:.2em;font-weight:500;color:var(--primary);text-transform:uppercase}
.wm-foot span{color:#fff}.wm-foot small{color:var(--straw)}.wm-foot b{color:#FF4A4F}
.menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.menu a.top,.dd-btn{display:flex;align-items:center;gap:6px;padding:10px 12px;border-radius:10px;color:var(--ink);font:500 15px/1 inherit;font-family:inherit;text-decoration:none;background:none;border:0;cursor:pointer;white-space:nowrap}
.menu a.top:hover,.dd-btn:hover,.menu a[aria-current="page"],.dd.on>.dd-btn{color:var(--primary);background:color-mix(in srgb,var(--primary) 9%,transparent)}
.dd{position:relative}
.dd-btn svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.6;transition:transform .15s}
.dd-panel{position:absolute;left:0;top:calc(100% + 8px);min-width:290px;padding:8px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 24px 48px -24px rgba(11,42,63,.4);opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .15s,transform .15s,visibility .15s}
.dd-panel::before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px} /* cầu nối: rê chuột xuống không mất menu */
.dd-panel a{display:block;padding:10px 12px;border-radius:10px;color:var(--ink);text-decoration:none}
.dd-panel a b{display:block;font-weight:600}
.dd-panel a small{display:block;color:var(--muted);font-size:13px;line-height:1.4;margin-top:2px}
.dd-panel a:hover,.dd-panel a[aria-current="page"]{background:color-mix(in srgb,var(--primary) 9%,transparent)}
@media (hover:hover) and (min-width:1025px){.dd:hover>.dd-panel,.dd:focus-within>.dd-panel{opacity:1;visibility:visible;transform:none}.dd:hover .dd-btn svg{transform:rotate(180deg)}}
.dd.open>.dd-panel{opacity:1;visibility:visible;transform:none}.dd.open .dd-btn svg{transform:rotate(180deg)}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--card);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger span{display:block;width:20px;height:2px;background:var(--ink);transition:transform .2s,opacity .2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (max-width:1024px){
  .burger{display:flex;margin-left:auto}
  .join{display:none}
  .menu{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:10px 16px 18px;background:var(--bg);border-bottom:1px solid var(--line);max-height:calc(100vh - 72px);overflow:auto}
  .menu.open{display:flex}
  .menu a.top,.dd-btn{width:100%;justify-content:space-between;padding:14px 8px;font-size:16px}
  .dd-panel{position:static;min-width:0;box-shadow:none;border:0;border-left:2px solid color-mix(in srgb,var(--primary) 30%,transparent);border-radius:0;padding:0 0 0 10px;margin:0 0 6px 8px;display:none;opacity:1;visibility:visible;transform:none;background:transparent}
  .dd.open>.dd-panel{display:block}
  .dd-panel a small{display:none}
}

/* ---- Khối đầu trang ---- */
main{min-height:60vh;padding-bottom:56px}
main:has(> .band:last-child){padding-bottom:0}
.crumbs{max-width:1180px;margin:16px auto 0;padding:0 20px;font-size:13px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.hero{position:relative;overflow:hidden;padding:56px 0 120px;color:#fff;background:linear-gradient(180deg,#0A4F7A 0%,#0E6FA3 55%,#1E8FC2 100%)}
/* mặt trời trôi nhẹ góc phải */
.hero::before{content:"";position:absolute;inset:-18% -12% auto auto;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(255,214,130,.55),rgba(255,214,130,0) 62%);animation:troi 20s ease-in-out infinite alternate;pointer-events:none}
@keyframes troi{to{transform:translate(-70px,50px) scale(1.06)}}
/* hai lớp sóng ở đáy khối đầu trang, lớp sau trôi chậm */
.hero .waves{position:absolute;left:0;right:0;bottom:-1px;height:110px;pointer-events:none}
.hero .waves i{position:absolute;inset:0;width:200%;background-repeat:repeat-x;background-size:50% 100%;background-position:0 100%}
.hero .waves i:first-child{opacity:.35;animation:song 16s linear infinite;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 110' preserveAspectRatio='none'%3E%3Cpath d='M0 60 C150 20 300 100 450 60 S750 20 900 60 S1100 90 1200 60 V110 H0z' fill='%23BFE6F5'/%3E%3C/svg%3E")}
.hero .waves i:last-child{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 110' preserveAspectRatio='none'%3E%3Cpath d='M0 80 C200 40 350 110 600 78 S1000 40 1200 80 V110 H0z' fill='%23063B5C'/%3E%3C/svg%3E")}
@keyframes song{to{transform:translateX(-50%)}}
.hero .wrap{position:relative}
.hero h1{color:#fff}
.hero h1 em{color:var(--sun);background:linear-gradient(transparent 72%,rgba(255,210,122,.35) 0)}
.hero .lede{color:#DCEFF8}
.hero .eyebrow{color:var(--sun)}
.hero .btn{background:var(--sun);color:var(--ink)}
.hero .btn:hover{background:#FFC75A;box-shadow:0 10px 26px -12px rgba(0,0,0,.45)}
.hero .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.hero .btn.ghost:hover{background:rgba(255,255,255,.12)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.hero-art{position:relative}
.hero-art img{display:block;width:100%;max-width:440px;margin-left:auto;aspect-ratio:3/4;object-fit:cover;border-radius:220px 220px var(--r) var(--r);box-shadow:0 40px 70px -40px rgba(11,42,63,.6);border:6px solid var(--card)}
.hero-art .note{position:absolute;left:4%;bottom:6%;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:10px 14px;font-size:13px;box-shadow:0 14px 30px -18px rgba(11,42,63,.5)}
.hero-art .note b{display:block;font-size:15px}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:8px 22px;margin:26px 0 0;padding:0;list-style:none;font-size:14px;color:#DCEFF8}
.hero-points li::before{content:"✦ ";color:var(--sun)}
.hero-art .note{color:var(--ink)}
@media (max-width:860px){.hero{padding-top:28px}.hero-grid{grid-template-columns:1fr}.hero-art{order:-1;max-width:460px;margin:0 auto}}
.page-head{padding:20px 0 6px}
.page-head .lede{margin-top:0}

/* ---- Dải chạy chữ ---- */
.ribbon{background:var(--deep);color:var(--sun);overflow:hidden;white-space:nowrap;padding:14px 0;font-family:var(--serif);font-size:20px}
.ribbon div{display:inline-block;animation:chay 38s linear infinite}
.ribbon span{margin:0 26px}
.ribbon span::after{content:"✦";margin-left:52px;color:var(--straw);font-style:normal;font-size:14px}
@keyframes chay{to{transform:translateX(-50%)}}

/* ---- Lưới, thẻ ---- */
section{padding:28px 0}
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:end;gap:12px}
.sec-head h2{margin-bottom:0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:22px 0}
.grid.g4{grid-template-columns:repeat(4,1fr)}
.grid.g2{grid-template-columns:repeat(2,1fr)}
@media (max-width:960px){.grid,.grid.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid,.grid.g4,.grid.g2{grid-template-columns:1fr}}
.card{display:flex;flex-direction:column;gap:8px;padding:22px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);color:var(--ink);text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s}
a.card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--primary) 35%,var(--line));box-shadow:0 22px 40px -26px rgba(11,42,63,.55)}
.card img{border-radius:calc(var(--r) - 6px);margin:-8px -8px 6px;width:calc(100% + 16px);max-width:none;background:var(--sand)}
.card:not(.post) img{aspect-ratio:4/5;object-fit:contain;height:auto}
.card:not(.post) img.photo{object-fit:cover}
.card p{margin:0;color:var(--muted)}
/* Lookbook ảnh thật */
.look{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:300px;grid-auto-flow:dense;gap:14px;margin:22px 0 12px}
.look img{width:100%;height:100%;object-fit:cover;border-radius:var(--r);display:block}
.look img:first-child{grid-row:span 2}
.look .wide{grid-column:span 2}
@media (max-width:760px){.look{grid-template-columns:repeat(2,1fr);grid-auto-rows:220px}.look img:first-child{grid-row:span 1}}
.card h3{margin:2px 0 0}
.price{margin-top:auto!important;padding-top:6px;font-weight:700;color:var(--primary)!important}
.tag{display:inline-block;align-self:flex-start;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--accent)}
.meta{font-size:13px;color:var(--muted)}
.icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--foam);font-size:22px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:9px 15px;font:500 14px/1 inherit;font-family:inherit;cursor:pointer;color:var(--ink)}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---- Khối hai cột lẻ / sỉ ---- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:22px 0}
.duo>div{padding:34px;border-radius:calc(var(--r) + 6px);position:relative;overflow:hidden}
.duo .le{background:var(--sand)}
.duo .si{background:linear-gradient(135deg,var(--deep),var(--primary));color:#fff}
.duo .si p,.duo .si li{color:#DCEFF8}
.duo h3{font-family:var(--serif);font-size:28px;margin:6px 0 10px}
.duo ul{padding-left:18px;margin:12px 0 22px}
.duo .si .btn{background:var(--sun);color:var(--ink)}
@media (max-width:760px){.duo{grid-template-columns:1fr}.duo>div{padding:26px}}

/* ---- Các bước ---- */
.steps{counter-reset:b;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:22px 0;padding:0;list-style:none}
.steps li{position:relative;padding:26px 22px 22px;border-top:2px solid var(--primary);background:var(--card);border-radius:0 0 var(--r) var(--r)}
.steps li::before{counter-increment:b;content:"0" counter(b);font-family:var(--serif);font-size:34px;color:#7FC3E2;display:block;line-height:1;margin-bottom:8px}
.steps b{display:block;font-size:17px;margin-bottom:4px}
.steps p{margin:0;color:var(--muted)}
@media (max-width:760px){.steps{grid-template-columns:1fr}}

/* ---- Bảng ---- */
.tbl{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.tbl-wrap{overflow-x:auto;margin:18px 0}
.tbl th,.tbl td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{background:var(--foam);font-size:14px;text-transform:uppercase;letter-spacing:.05em}
.tbl tr:last-child td{border-bottom:0}

.post-body{max-width:780px}
.post-body table{width:100%;border-collapse:collapse;display:block;overflow-x:auto}
.post-body th,.post-body td{border-bottom:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}
.post-body figure{margin:24px 0}.post-body figcaption{font-size:13px;color:var(--muted)}
.prose{max-width:780px}
details.faq{border:1px solid var(--line);border-radius:14px;background:var(--card);margin:10px 0;padding:0 18px}
details.faq summary{cursor:pointer;font-weight:600;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";font-size:22px;line-height:1;color:var(--primary);transition:transform .2s}
details.faq[open] summary::after{transform:rotate(45deg)}
details.faq div{padding-bottom:8px;color:var(--muted)}
.cta-box{margin:36px 0;padding:30px;border-radius:var(--r);background:var(--foam);border:1px solid var(--line)}
.cta-box h2{margin-top:0}
.band{margin:40px 0 0;padding:60px 0;background:linear-gradient(135deg,var(--primary),#1E9BC9);color:#fff;text-align:center}
.band h2{margin:0 0 10px;color:#fff}
.band p{color:#DCEFF8;max-width:56ch;margin:0 auto 22px}
.band .btn{background:var(--sun);color:var(--ink)}
.band .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.band .actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.small{font-size:14px;color:var(--muted)}

/* ---- Chân trang, nút nổi ---- */
.foot{padding:48px 0 96px;background:var(--deep);color:#BFDCEB}
.band+.foot,main+.foot{margin-top:0}
.foot a,.foot .linkbtn{color:#fff;text-decoration:none}
.foot a:hover{text-decoration:underline}
.foot-in{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:28px}
.foot img{height:44px;width:auto}
.foot h3{color:var(--straw);font-size:13px;text-transform:uppercase;letter-spacing:.12em}
.foot p{margin:.35em 0}
.foot .cho{font-size:13px}
.copy{font-size:13px;opacity:.7;margin-top:28px}
@media (max-width:900px){.foot-in{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.foot-in{grid-template-columns:1fr}}
.float-cta{position:fixed;right:16px;bottom:16px;z-index:40;display:flex;flex-direction:column;gap:10px}
.float-cta a{display:grid;place-items:center;width:56px;height:56px;border-radius:50%;color:#fff;font-weight:700;font-size:13px;text-decoration:none;box-shadow:0 10px 24px -10px rgba(0,0,0,.5)}
.fz{background:#0068ff}.fp{background:var(--accent)}

/* ---- Form trượt, cookie ---- */
.drawer{position:fixed;inset:0;z-index:60}
.drawer-bg{position:absolute;inset:0;background:rgba(6,59,92,.55)}
.drawer-box{position:absolute;right:0;top:0;bottom:0;width:min(440px,100%);background:var(--bg);padding:30px 24px;overflow:auto;animation:vao .25s ease-out}
.drawer-box h2{margin-top:6px}
.drawer-sub{color:var(--muted);font-size:15px;margin-top:-6px}
@keyframes vao{from{transform:translateX(30px);opacity:0}}
.drawer-x{position:absolute;right:14px;top:10px;border:0;background:none;font-size:30px;cursor:pointer;color:var(--ink)}
form label{display:grid;gap:6px;margin:12px 0;font-size:14px;font-weight:500}
form input,form textarea{font:inherit;font-size:16px;padding:12px;border:1px solid #BFD8E6;border-radius:12px;width:100%;background:#fff;color:var(--ink)}
form .consent{grid-template-columns:auto 1fr;align-items:start;font-weight:400;font-size:13px;color:var(--muted)}
form .consent input{width:auto;margin-top:3px}
.hp{position:absolute!important;left:-9999px!important}
.form-msg{min-height:1.4em;font-size:14px}
.form-msg.err{color:#b3261e}.form-msg.ok{color:#2f6b2a}
.ck-bar{position:fixed;left:16px;right:16px;bottom:16px;z-index:70;max-width:720px;margin:0 auto;display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:14px 16px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 40px -20px rgba(0,0,0,.45);font-size:14px}
.ck-bar p{flex:1 1 300px;margin:0}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}