/*
Theme Name: VS Sofa
Description: Theme dịch vụ vệ sinh sofa, nệm, thảm. Dùng cùng plugin "VS Core".
Version: 1.0
Text Domain: vs-sofa
*/

/* ✏️ SỬA MÀU THƯƠNG HIỆU: chỉ cần đổi các biến dưới đây */
:root{
  --c-ink:#12262C;        /* chữ chính */
  --c-deep:#0A3D4A;       /* nền header/footer/khối tối */
  --c-main:#1590A6;       /* màu chủ đạo (nút phụ, link) */
  --c-main-soft:#E3F3F6;  /* nền nhạt cùng tông */
  --c-cta:#FFB000;        /* nút Đặt lịch / Gọi */
  --c-cta-ink:#2A1D00;    /* chữ trên nút cta */
  --c-bg:#F6FAFA;         /* nền trang */
  --c-line:#D5E4E7;
  --c-mute:#5B7279;
  --r:10px;
  --w:1160px;
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--c-ink);background:var(--c-bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-main);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .6em;font-weight:700;color:var(--c-deep)}
h1{font-size:clamp(1.9rem,4.2vw,3rem);letter-spacing:-.01em}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--c-cta);outline-offset:2px}
.wrap{max-width:var(--w);margin:0 auto;padding:0 20px}
.sec{padding:72px 0}
.sec.alt{background:#fff;border-block:1px solid var(--c-line)}
.sec.dark{background:var(--c-deep);color:#D9EEF2}
.sec.dark h2,.sec.dark h3{color:#fff}
.sec-head{max-width:640px;margin-bottom:36px}
.sec-head p{color:var(--c-mute);margin:0}
.sec.dark .sec-head p{color:#A9CBD3}
.center{text-align:center;margin-inline:auto}

/* Nút */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:999px;font-weight:600;font-size:1rem;border:2px solid transparent;cursor:pointer;font-family:inherit;text-decoration:none!important;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-cta{background:var(--c-cta);color:var(--c-cta-ink)}
.btn-main{background:var(--c-main);color:#fff}
.btn-line{border-color:#fff;color:#fff}
.btn-line.dark{border-color:var(--c-deep);color:var(--c-deep)}
.btn svg{width:18px;height:18px;fill:currentColor}

/* Header */
.topbar{background:var(--c-deep);color:#BFE0E7;font-size:.85rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding-block:7px;flex-wrap:wrap}
.topbar a{color:#fff;font-weight:600}
.site-header{background:#fff;border-bottom:1px solid var(--c-line);position:sticky;top:0;z-index:50}
.site-header.scrolled{box-shadow:0 4px 18px rgba(10,61,74,.1)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.3rem;color:var(--c-deep);text-decoration:none!important}
.brand img{max-height:48px;width:auto}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center}
.nav a{display:block;padding:10px 14px;color:var(--c-ink);font-weight:500;border-radius:8px}
.nav a:hover,.nav .current-menu-item>a{background:var(--c-main-soft);color:var(--c-deep);text-decoration:none}
.nav-cta{display:flex;gap:10px;align-items:center}
.menu-toggle{display:none;background:none;border:1px solid var(--c-line);border-radius:8px;padding:8px 10px;cursor:pointer}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--c-deep);margin:5px 0}

/* Hero */
.hero{background:var(--c-deep);color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:var(--hero-img,none) center/cover;opacity:.28}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-block:84px}
.hero h1{color:#fff}
.hero p.lead{font-size:1.15rem;color:#CFE8ED;max-width:540px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}
.hero-badges{display:flex;gap:18px;flex-wrap:wrap;color:#A9CBD3;font-size:.92rem;padding:0;margin:0;list-style:none}
.hero-badges li::before{content:"✓ ";color:var(--c-cta);font-weight:700}
.ba{display:grid;grid-template-columns:1fr 1fr;border-radius:16px;overflow:hidden;border:3px solid rgba(255,255,255,.25);aspect-ratio:4/3;background:#0d4f5f}
.ba div{display:flex;align-items:flex-end;padding:14px;font-weight:600;font-size:.9rem;background-size:cover;background-position:center}
.ba .before{background-color:#8a7a62;background-image:var(--img-before,none)}
.ba .after{background-color:#7fd0dc;background-image:var(--img-after,none);justify-content:flex-end}
.ba span{background:rgba(0,0,0,.55);padding:4px 12px;border-radius:99px;color:#fff}

/* Chỉ số */
.stats{background:#fff;border-bottom:1px solid var(--c-line)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding-block:28px}
.stat strong{display:block;font-size:2rem;color:var(--c-main);line-height:1.1}
.stat span{color:var(--c-mute);font-size:.92rem}

/* Lưới + thẻ */
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;color:inherit;transition:border-color .15s}
a.card:hover{border-color:var(--c-main);text-decoration:none}
.card .thumb{aspect-ratio:16/10;background:var(--c-main-soft);display:flex;align-items:center;justify-content:center;color:var(--c-main)}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .thumb svg{width:64px;height:64px;fill:currentColor}
.card .body{padding:20px;display:flex;flex-direction:column;gap:6px;flex:1}
.card .body p{color:var(--c-mute);margin:0;font-size:.95rem}
.more{margin-top:auto;padding-top:10px;font-weight:600;color:var(--c-main)}
.usp{padding:22px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r)}
.usp .ico{width:44px;height:44px;border-radius:10px;background:var(--c-main-soft);color:var(--c-main);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.usp .ico svg{width:24px;height:24px;fill:currentColor}
.usp p{color:var(--c-mute);margin:0;font-size:.95rem}

/* Quy trình */
.steps{counter-reset:s;list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.steps li{counter-increment:s;position:relative;padding-top:54px}
.steps li::before{content:counter(s);position:absolute;top:0;left:0;width:40px;height:40px;border-radius:50%;background:var(--c-cta);color:var(--c-cta-ink);font-weight:800;display:flex;align-items:center;justify-content:center}
.steps li::after{content:"";position:absolute;top:20px;left:50px;right:-12px;border-top:2px dashed rgba(255,255,255,.3)}
.steps li:last-child::after{display:none}
.steps h3{color:#fff;margin-bottom:.3em}
.steps p{color:#A9CBD3;font-size:.95rem;margin:0}

/* Đánh giá + FAQ */
.quote{padding:24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r)}
.quote p{font-size:1.02rem}
.quote cite{font-style:normal;font-weight:600;color:var(--c-deep);display:block}
.quote small{color:var(--c-mute)}
.faq details{background:#fff;border:1px solid var(--c-line);border-radius:var(--r);margin-bottom:10px}
.faq summary{padding:16px 20px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--c-main)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 20px 16px;margin:0;color:var(--c-mute)}

/* Khối đặt lịch */
.book{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
.book-info ul{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:12px}
.book-info li{display:flex;gap:12px}
.book-info li svg{width:22px;height:22px;fill:var(--c-cta);flex:none;margin-top:3px}
.book-info a{color:#fff;font-weight:600}
.formbox{background:#fff;color:var(--c-ink);border-radius:14px;padding:28px}
.formbox h3{margin-bottom:16px}

/* Form của plugin vs-core */
.vs-form p{margin:0 0 12px}
.vs-form input,.vs-form select,.vs-form textarea{font-family:inherit;font-size:1rem;padding:12px 14px;border:1px solid var(--c-line);border-radius:8px;background:#fff;color:var(--c-ink);width:100%}
.vs-form input:focus,.vs-form select:focus,.vs-form textarea:focus{border-color:var(--c-main);outline:2px solid var(--c-main-soft)}
.vs-form button{width:100%;background:var(--c-cta);color:var(--c-cta-ink);border:0;border-radius:999px;padding:14px;font-weight:700;font-size:1.05rem;cursor:pointer;font-family:inherit}
.formbox>p strong{display:block;background:#E7F7EC;border:1px solid #9fd8b0;padding:12px 14px;border-radius:8px}

/* Bảng giá của plugin */
.vs-gia{width:100%;border:0!important;border-collapse:collapse;background:#fff;margin-bottom:28px}
.vs-gia th{background:var(--c-deep);color:#fff;text-align:left;padding:12px 14px;font-weight:600}
.vs-gia td{padding:12px 14px;border:0;border-bottom:1px solid var(--c-line)}
.vs-gia tr:last-child td{border-bottom:0}
.vs-gia td:nth-child(3){font-weight:700;color:var(--c-main);white-space:nowrap}
.entry h3{margin-top:1.6em}

/* Trang trong */
.page-hero{background:var(--c-deep);color:#fff;padding:48px 0}
.page-hero h1{color:#fff;margin:0}
.crumbs{font-size:.88rem;color:#A9CBD3;margin-bottom:10px}
.crumbs a{color:#fff}
.entry{max-width:780px}
.entry.wide{max-width:none}
.entry img{border-radius:var(--r)}
.layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.side{position:sticky;top:96px;display:grid;gap:18px}
.side .box{background:#fff;border:1px solid var(--c-line);border-radius:var(--r);padding:20px}
.side .box.cta{background:var(--c-deep);color:#D9EEF2;border:0}
.side .box.cta h3{color:#fff}
.side ul{list-style:none;margin:0;padding:0}
.side li a{display:block;padding:8px 0;border-bottom:1px solid var(--c-line)}
.cta-band{background:var(--c-main);color:#fff;padding:40px 0}
.cta-band .wrap{display:flex;gap:20px;justify-content:space-between;align-items:center;flex-wrap:wrap}
.cta-band h2{color:#fff;margin:0}
.pagination{margin-top:30px;display:flex;gap:8px}
.pagination .page-numbers{padding:8px 14px;border:1px solid var(--c-line);border-radius:8px;background:#fff}
.pagination .current{background:var(--c-main);color:#fff;border-color:var(--c-main)}
.map iframe{width:100%;height:340px;border:0;border-radius:var(--r)}

/* Footer */
.site-footer{background:#072B35;color:#A9CBD3;padding-top:56px;font-size:.95rem}
.site-footer h4{color:#fff;font-size:1rem}
.site-footer a{color:#D9EEF2}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding:18px 0;font-size:.85rem}

/* Nút nổi */
.float{position:fixed;right:16px;bottom:18px;display:grid;gap:10px;z-index:60}
.float a{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 14px rgba(0,0,0,.25)}
.float .call{background:#e53935}
.float .zalo{background:#0068ff;font-weight:800;font-size:.8rem}
.float svg{width:24px;height:24px;fill:#fff}

@media (max-width:900px){
  .hero .wrap,.book,.layout,.g2{grid-template-columns:1fr}
  .g3,.g4,.steps,.fgrid{grid-template-columns:1fr 1fr}
  .stats .wrap{grid-template-columns:1fr 1fr}
  .steps li::after{display:none}
  .side{position:static}
  .menu-toggle{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--c-line);padding:10px 20px 16px}
  .nav.open{display:block}
  .nav ul{flex-direction:column;align-items:stretch}
  .nav-cta .btn-line{display:none}
  .vs-gia{display:block;overflow-x:auto}
}
@media (max-width:560px){
  .sec{padding:52px 0}
  .g3,.g4,.steps,.fgrid{grid-template-columns:1fr}
  .hero .wrap{padding-block:52px}
  .topbar .hide-sm{display:none}
  .nav-cta .btn-cta{padding:10px 16px;font-size:.9rem}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Bổ sung */
.brand svg{width:30px;height:30px;fill:var(--c-main)}
.sec,[id]{scroll-margin-top:90px}
.empty{padding:28px;border:1px dashed var(--c-line);border-radius:var(--r);color:var(--c-mute);background:#fff}
.sec.dark .formbox h3{color:var(--c-deep)}
.sec.dark .formbox p{color:var(--c-ink)}
.about-points{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.about-points li::before{content:"✓ ";color:var(--c-main);font-weight:700}
.info-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r);padding:22px}
.info-card .ico{width:44px;height:44px;border-radius:10px;background:var(--c-main-soft);color:var(--c-main);display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.info-card .ico svg{width:24px;height:24px;fill:currentColor}
.note{background:var(--c-main-soft);border-left:4px solid var(--c-main);padding:14px 18px;border-radius:6px;margin:24px 0}