/* ============================================================
   Thảo Điền Spa — CSS nền dùng chung cho mọi trang
   (biến màu, reset, topbar, nav, page-hero, footer, sidebar,
    nút, CTA đặt lịch, khối thông tin liên hệ, nút gọi nổi)
   ============================================================ */
:root{
  --leaf:#7cb342;--leaf-deep:#3f6b2c;--leaf-dark:#2c4a1f;--leaf-darker:#1f3a16;
  --gold:#f2b705;--gold-deep:#d99a00;
  --cream:#f8f5ec;--cream-2:#f1ecdd;--paper:#fdfbf5;
  --ink:#2a3322;--ink-soft:#5a6450;
  --text-on-leaf:#e9efe0;--text-on-leaf-soft:#eef3e6;--text-on-gold:#3a2c00;
  --cat-wellness:#7a4f00;
  --line:rgba(63,107,44,.14);
  --shadow:0 24px 60px -28px rgba(44,74,31,.45);
  --serif:"Cormorant Garamond",Georgia,serif;
  --sans:"Be Vietnam Pro",system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--cream);line-height:1.7;font-weight:300;overflow-x:hidden;-webkit-font-smoothing:antialiased}
::selection{background:var(--gold);color:#fff}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 28px}
.eyebrow{font-size:.74rem;letter-spacing:.32em;text-transform:uppercase;font-weight:500;color:var(--gold-deep);display:inline-block}
.eyebrow::before{content:"";display:inline-block;width:26px;height:1px;background:var(--gold);vertical-align:middle;margin-right:12px;transform:translateY(-3px)}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.08;letter-spacing:.005em}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* Section chung */
section{position:relative}
.sec{padding:96px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 60px}
.sec-head h2{font-size:clamp(2.2rem,4vw,3.2rem);color:var(--leaf-dark);margin:16px 0 14px}
.sec-head p{color:var(--ink-soft)}
@media(max-width:640px){.sec{padding:50px 0}}

/* Topbar */
.topbar{background:var(--leaf-dark);color:var(--text-on-leaf);font-size:.8rem;font-weight:300}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:18px;padding-top:9px;padding-bottom:9px;flex-wrap:wrap}
.topbar a{transition:color .25s}.topbar a:hover{color:var(--gold)}
.topbar .tb-left span{margin-right:22px;white-space:nowrap}
.topbar svg{width:13px;height:13px;vertical-align:-2px;margin-right:6px;opacity:.85}
.tb-social a{margin-left:14px}.tb-social svg{width:15px;height:15px;margin:0}
@media(max-width:640px){.topbar .tb-left{display:none}.topbar .wrap{justify-content:center}}

/* Nav */
header.nav{position:sticky;top:0;z-index:50;background:rgba(248,245,236,.82);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s,background .3s}
header.nav.scrolled{box-shadow:0 10px 30px -22px rgba(44,74,31,.5);border-color:var(--line);background:rgba(248,245,236,.94)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px}
.logo{display:flex;align-items:center;gap:11px}
.logo .mark{width:42px;height:42px;flex:none}
.logo .txt{font-family:var(--serif);line-height:.95}
.logo .txt .l1{font-size:1.18rem;font-weight:600;letter-spacing:.14em;color:var(--leaf-deep);display:block}
.logo .txt .l2{font-size:.62rem;letter-spacing:.42em;color:var(--gold-deep);font-weight:600;font-family:var(--sans);display:block;margin-top:1px}
nav ul{display:flex;list-style:none;gap:34px;align-items:center}
nav a.link{font-size:.875rem;letter-spacing:.04em;font-weight:500;position:relative;padding:4px 0;color:var(--ink);transition:color .25s}
nav a.link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1.5px;background:var(--gold);transition:width .3s}
nav a.link:hover{color:var(--leaf-deep)}
nav a.link:hover::after,nav a.link.active::after{width:100%}
nav a.link.active{color:var(--leaf-deep)}
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--sans);font-weight:500;font-size:.82rem;letter-spacing:.05em;padding:13px 26px;border-radius:40px;cursor:pointer;border:none;transition:transform .25s,box-shadow .25s,background .25s}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-deep));color:var(--text-on-gold);box-shadow:0 12px 26px -12px rgba(217,154,0,.7)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(217,154,0,.8)}
.btn-leaf{background:var(--leaf-deep);color:#fff}
.btn-leaf:hover{transform:translateY(-2px);background:var(--leaf-dark)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:var(--leaf-deep);transition:.3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:920px){
  nav ul{position:fixed;inset:0 0 0 auto;width:min(78vw,320px);background:var(--paper);flex-direction:column;justify-content:center;gap:26px;padding:40px;transform:translateX(100%);transition:transform .4s cubic-bezier(.2,.7,.2,1);box-shadow:var(--shadow);z-index:60}
  nav ul.open{transform:none}
  /* Khi drawer mở: bỏ backdrop-filter để header không còn là containing block của
     drawer fixed (nếu không inset sẽ tính theo chiều cao header ~80px thay vì viewport);
     đồng thời nâng z-index header lên trên .float-call(70)/.progress-bar(100). */
  header.nav.menu-open{z-index:200;backdrop-filter:none;-webkit-backdrop-filter:none}
  nav a.link{font-size:1.1rem;font-family:var(--serif)}
  .burger{display:flex;z-index:61}
  .nav-cta-desktop{display:none}
}

/* Page hero (trang con) */
.page-hero{
  background:
    radial-gradient(110% 80% at 100% 0%,rgba(124,179,66,.14),transparent 55%),
    radial-gradient(70% 60% at 0% 100%,rgba(242,183,5,.1),transparent 50%),
    linear-gradient(160deg,var(--leaf-dark) 0%,var(--leaf-darker) 100%);
  color:var(--text-on-leaf);padding:72px 0 80px;position:relative;overflow:hidden;
}
.page-hero::before{content:"";position:absolute;width:500px;height:500px;border-radius:50%;background:rgba(124,179,66,.08);top:-200px;right:-100px;pointer-events:none}
.page-hero .wrap{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:.78rem;letter-spacing:.06em;color:rgba(255,255,255,.5);margin-bottom:28px}
.breadcrumb a{transition:color .25s}.breadcrumb a:hover{color:var(--gold)}
.breadcrumb svg{width:12px;height:12px;opacity:.5}
.page-hero .eyebrow{color:var(--gold)}.page-hero .eyebrow::before{background:var(--gold)}
.page-hero h1{font-size:clamp(2.6rem,5vw,4rem);color:#fff;margin:16px 0 18px;text-wrap:balance}
.page-hero h1 em{font-style:italic;color:var(--gold)}
.page-hero p.sub{font-size:1.02rem;color:rgba(255,255,255,.76);max-width:52ch;line-height:1.75}
@media(max-width:640px){.page-hero{padding:52px 0 60px}}

/* Khối thông tin liên hệ (dùng ở trang chủ & trang liên hệ) */
.c-rows{display:grid;gap:20px;margin-bottom:32px}
.c-row{display:flex;gap:16px;align-items:flex-start}
.c-row .ci{width:46px;height:46px;border-radius:12px;background:rgba(124,179,66,.13);display:grid;place-items:center;flex:none}
.c-row .ci svg{width:21px;height:21px;color:var(--leaf-deep)}
.c-row .cl{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-deep);font-weight:500;margin-bottom:3px}
.c-row .cv{color:var(--ink);font-weight:400;line-height:1.6}
.c-row .cv a{transition:color .25s}
.c-row .cv a:hover{color:var(--leaf-deep)}
.hours-card{background:linear-gradient(140deg,var(--leaf-deep),var(--leaf-dark));color:var(--text-on-leaf-soft);border-radius:16px;padding:24px 26px}
.hours-card .hh{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:1.3rem;color:#fff;margin-bottom:12px}
.hours-card .hh svg{width:22px;height:22px;color:var(--gold)}
.hours-card .hr{display:flex;justify-content:space-between;font-size:.9rem;padding:5px 0;border-bottom:1px dashed rgba(255,255,255,.15)}
.hours-card .hr:last-child{border:none}
.hours-card .hr span:last-child{color:var(--gold)}

/* CTA đặt lịch (dùng chung) */
.booking{background:radial-gradient(100% 140% at 100% 0%,rgba(242,183,5,.16),transparent 60%),var(--cream-2);text-align:center;padding:80px 0}
.booking h2{font-size:clamp(2rem,4vw,3rem);color:var(--leaf-dark);margin:14px auto 16px;max-width:22ch}
.booking p{color:var(--ink-soft);max-width:50ch;margin:0 auto 32px}
.booking-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Footer */
footer{background:var(--leaf-dark);color:#cdd8bf;padding:64px 0 28px;font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand p{color:rgba(255,255,255,.65);margin-top:18px;max-width:34ch;font-size:.88rem}
.foot-social{display:flex;gap:12px;margin-top:22px}
.foot-social a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.2);display:grid;place-items:center;transition:.3s}
.foot-social a:hover{background:var(--gold);border-color:var(--gold);color:var(--leaf-dark);transform:translateY(-3px)}
.foot-social svg{width:17px;height:17px}
footer h5{font-family:var(--serif);font-size:1.25rem;color:#fff;font-weight:500;margin-bottom:18px}
footer ul{list-style:none;display:grid;gap:11px}
footer ul a{color:rgba(255,255,255,.66);transition:color .25s;font-size:.88rem}
footer ul a:hover{color:var(--gold)}
.foot-bottom{padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:.8rem;color:rgba(255,255,255,.5)}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr;gap:34px}}

/* Sidebar dùng chung (blog & bài viết) */
.sidebar{display:flex;flex-direction:column;gap:26px}
@media(max-width:960px){
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap;gap:16px}
  .sidebar .sb-card,.sidebar .sb-cta{flex:1 1 280px}
}
.sb-card{background:var(--paper);border-radius:16px;padding:22px;border:1px solid var(--line)}
.sb-card h4{font-family:var(--serif);font-size:1.15rem;color:var(--leaf-dark);font-weight:500;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.sb-cta{background:linear-gradient(140deg,var(--leaf-deep),var(--leaf-dark));border-radius:16px;padding:26px 22px;text-align:center;border:none}
.sb-cta h4{color:#fff;font-family:var(--serif);font-size:1.25rem;font-weight:500;border:none;padding:0;margin:0}
.sb-cta p{color:rgba(255,255,255,.75);font-size:.84rem;margin:10px 0 16px}
.sb-cta .btn{width:100%;justify-content:center}

/* Sidebar widget: Categories & Recent Posts (dùng ở blog + single) */
.cat-list{display:flex;flex-direction:column;gap:8px}
.cat-list a{display:flex;align-items:center;justify-content:space-between;font-size:.86rem;color:var(--ink-soft);padding:6px 0;border-bottom:1px solid var(--line);transition:color .2s}
.cat-list a:last-child{border:none}
.cat-list a:hover,.cat-list a.sb-active{color:var(--leaf-deep)}
.cat-list a span{font-size:.74rem;background:rgba(124,179,66,.12);color:var(--leaf-deep);padding:2px 8px;border-radius:20px;font-weight:500}
.recent-list{display:flex;flex-direction:column;gap:14px}
.recent-item{display:flex;gap:12px;align-items:flex-start}
.recent-item .rt{width:62px;height:62px;border-radius:10px;overflow:hidden;flex:none}
.recent-item .rt img{width:100%;height:100%;object-fit:cover}
.recent-item .rc h5{font-size:.86rem;color:var(--ink);line-height:1.35;font-weight:400;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s}
.recent-item:hover .rc h5{color:var(--leaf-deep)}
.recent-item .rc span{font-size:.72rem;color:var(--ink-soft)}

/* Nút gọi nổi */
.float-call{position:fixed;bottom:22px;right:22px;z-index:70;width:58px;height:58px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold-deep));display:grid;place-items:center;box-shadow:0 14px 30px -10px rgba(217,154,0,.8);animation:pulse 2.2s infinite}
.float-call svg{width:26px;height:26px;color:var(--text-on-gold)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(242,183,5,.5)}70%{box-shadow:0 0 0 16px rgba(242,183,5,0)}100%{box-shadow:0 0 0 0 rgba(242,183,5,0)}}