/* ============================================================
   Tố Như — ATu's Private Gym · Stylesheet dùng chung mọi trang
   ============================================================ */
:root{
  --bg:#fbfafc;
  --surface:#ffffff;
  --ink:#241f26;
  --ink-soft:#5f5566;
  --rose:#a04ca5;
  --rose-deep:#7c2f86;
  --rose-soft:#f6eef8;
  --gold:#8a5fc0;
  --dark:#1e1723;
  --dark-2:#2a2130;
  --radius:18px;
  --shadow:0 10px 40px rgba(35,31,32,.08);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#171219; --surface:#221a27; --ink:#f4eef6; --ink-soft:#b3a6bb;
    --rose:#c579ca; --rose-deep:#a04ca5; --rose-soft:#2f223333;
    --dark:#120d16; --dark-2:#1c1522; --shadow:0 10px 40px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  --bg:#171219; --surface:#221a27; --ink:#f4eef6; --ink-soft:#b3a6bb;
  --rose:#c579ca; --rose-deep:#a04ca5; --rose-soft:#2f223333;
  --dark:#120d16; --dark-2:#1c1522; --shadow:0 10px 40px rgba(0,0,0,.35);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Be Vietnam Pro',sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.65;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
section{padding:88px 0}
h1,h2,h3{line-height:1.2}
.eyebrow{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.22em;
  text-transform:uppercase;color:var(--rose);margin-bottom:14px;
}
.section-title{
  font-family:'Playfair Display',serif;font-size:clamp(1.7rem,4vw,2.6rem);
  font-weight:800;margin-bottom:18px;
}
.section-sub{color:var(--ink-soft);max-width:640px;font-size:1.02rem}

/* ============ NAV ============ */
nav.site-nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter:blur(14px);
  border-bottom:1px solid color-mix(in srgb, var(--ink) 8%, transparent);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:'Playfair Display',serif;font-weight:800;font-size:1.25rem;text-decoration:none;color:var(--rose);display:flex;align-items:center;gap:10px}
.logo-img{width:38px;height:38px;border-radius:50%;object-fit:cover;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.logo em{color:var(--rose);font-style:normal}
.logo small{font-size:.72rem;font-family:'Be Vietnam Pro';font-weight:500;color:var(--ink-soft)}
.nav-links{display:flex;gap:26px;list-style:none;align-items:center}
.nav-links a{text-decoration:none;color:var(--ink-soft);font-size:.92rem;font-weight:500;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--rose)}
.btn{
  display:inline-block;padding:13px 28px;border-radius:999px;
  font-weight:700;font-size:.95rem;text-decoration:none;
  transition:transform .2s, box-shadow .2s;cursor:pointer;border:none;
  font-family:inherit;
}
.btn-primary{background:linear-gradient(120deg,var(--rose),var(--rose-deep));color:#fff;box-shadow:0 8px 24px rgba(160,76,165,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(160,76,165,.45)}
.btn-ghost{border:1.5px solid color-mix(in srgb, var(--ink) 25%, transparent);color:var(--ink)}
.btn-ghost:hover{border-color:var(--rose);color:var(--rose)}
.nav-cta{padding:9px 20px;font-size:.85rem}
.nav-toggle{display:none;background:none;border:none;font-size:1.5rem;color:var(--ink);cursor:pointer}

/* ============ HERO (trang chủ) ============ */
.hero{
  min-height:100svh;display:flex;align-items:center;position:relative;
  padding:120px 0 60px;
  background:
    radial-gradient(700px 500px at 85% 15%, color-mix(in srgb, var(--rose) 16%, transparent), transparent 70%),
    radial-gradient(600px 500px at 5% 90%, color-mix(in srgb, var(--gold) 10%, transparent), transparent 70%),
    var(--bg);
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;background:var(--rose-soft);
  color:var(--rose-deep);padding:8px 18px;border-radius:999px;
  font-size:.82rem;font-weight:600;margin-bottom:22px;
}
.hero h1{
  font-family:'Playfair Display',serif;
  font-size:clamp(2.4rem,6vw,4.2rem);font-weight:800;margin-bottom:8px;
}
.hero h1 .accent{color:var(--rose)}
.hero .alias{font-size:1.05rem;color:var(--ink-soft);font-weight:500;margin-bottom:20px}
.hero p.lead{font-size:1.1rem;color:var(--ink-soft);max-width:520px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap}
.stat b{display:block;font-size:1.7rem;font-weight:800;color:var(--ink)}
.stat span{font-size:.85rem;color:var(--ink-soft)}
.stat b em{color:var(--rose);font-style:normal}

.hero-visual{position:relative}
.portrait{
  aspect-ratio:4/5;border-radius:28px;position:relative;overflow:hidden;
  background:linear-gradient(150deg,#e7d3ee,#a04ca5 55%,#4a2153);
  box-shadow:var(--shadow);
}
.portrait img{width:100%;height:100%;object-fit:cover}
.float-card{
  position:absolute;background:var(--surface);border-radius:16px;
  box-shadow:var(--shadow);padding:14px 18px;font-size:.85rem;
  display:flex;align-items:center;gap:10px;
}
.float-card .ic{font-size:1.3rem}
.float-card b{display:block;font-size:.92rem}
.float-card span{color:var(--ink-soft);font-size:.78rem}
.fc-1{top:-5%;left:-9%;animation:float 5s ease-in-out infinite}
.fc-2{bottom:10%;right:-7%;animation:float 6s ease-in-out infinite 1s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ============ PAGE HEAD (trang con) ============ */
.page-head{
  padding:140px 0 64px;
  background:
    radial-gradient(700px 400px at 80% 0%, color-mix(in srgb, var(--rose) 14%, transparent), transparent 70%),
    var(--bg);
}
.page-head h1{
  font-family:'Playfair Display',serif;
  font-size:clamp(2rem,5vw,3.2rem);font-weight:800;margin-bottom:12px;
}
.page-head p{color:var(--ink-soft);max-width:620px;font-size:1.05rem}
.breadcrumb{font-size:.85rem;color:var(--ink-soft);margin-bottom:18px}
.breadcrumb a{color:var(--rose);text-decoration:none}

/* ============ STORY ============ */
.story-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.story-quote{
  font-family:'Playfair Display',serif;font-style:italic;font-size:1.35rem;
  border-left:4px solid var(--rose);padding-left:22px;color:var(--ink);
  margin:26px 0;
}
.story-figure{margin-top:28px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.story-figure img{width:100%}
.story-figure figcaption{
  background:var(--surface);padding:12px 18px;font-size:.85rem;color:var(--ink-soft);
}
.timeline{position:relative;padding-left:30px}
.timeline::before{
  content:'';position:absolute;left:8px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(var(--rose),var(--gold));border-radius:2px;
}
.t-item{position:relative;padding-bottom:30px}
.t-item:last-child{padding-bottom:0}
.t-item::before{
  content:'';position:absolute;left:-28px;top:6px;width:14px;height:14px;
  border-radius:50%;background:var(--surface);border:3px solid var(--rose);
}
.t-item h3{font-size:1.02rem;font-weight:700;margin-bottom:4px}
.t-item h3 .tag{color:var(--rose);font-weight:800;margin-right:8px}
.t-item p{color:var(--ink-soft);font-size:.94rem}

/* ============ GYM / SERVICES ============ */
.dark-section{background:var(--dark);color:#f4eef6}
.dark-section .section-sub{color:#b3a6bb}
.dark-section .section-title{color:#fff}
.gym-banner{border-radius:var(--radius);overflow:hidden;margin-top:40px;box-shadow:0 14px 44px rgba(0,0,0,.4)}
.gym-banner img{width:100%}
.gym-photos{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px}
.gym-photos img{width:100%;height:100%;object-fit:cover;border-radius:14px;aspect-ratio:4/3}
.gym-photo-slot{
  aspect-ratio:4/3;border:2px dashed rgba(255,255,255,.22);border-radius:14px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  color:#b3a6bb;font-size:.85rem;padding:10px;
}
@media(max-width:720px){.gym-photos{grid-template-columns:1fr 1fr}}
.services{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;margin-top:46px}
.service{
  background:var(--dark-2);border:1px solid rgba(255,255,255,.07);
  border-radius:var(--radius);padding:30px 26px;transition:transform .25s,border-color .25s;
}
.service:hover{transform:translateY(-6px);border-color:var(--rose)}
.service .ic{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--rose),var(--rose-deep));font-size:1.5rem;margin-bottom:18px;
}
.service h3{font-size:1.08rem;margin-bottom:10px;color:#fff}
.service p{font-size:.92rem;color:#b3a6bb}
.gym-note{
  margin-top:40px;display:flex;gap:14px;align-items:center;flex-wrap:wrap;
  background:rgba(160,76,165,.12);border:1px solid rgba(160,76,165,.35);
  border-radius:14px;padding:18px 22px;font-size:.95rem;color:#eedcf2;
}
.gym-note a{color:#fff}

/* ============ PHILOSOPHY ============ */
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:22px;margin-top:46px}
.pillar{background:var(--surface);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.pillar .num{
  font-family:'Playfair Display',serif;font-size:2rem;font-weight:800;
  color:var(--rose);opacity:.35;margin-bottom:8px;display:block;
}
.pillar h3{font-size:1.05rem;margin-bottom:8px}
.pillar p{font-size:.92rem;color:var(--ink-soft)}

/* ============ PRESS ============ */
.press-band{background:var(--rose-soft)}
.press-logos{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.press-logos a{
  text-decoration:none;background:var(--surface);color:var(--ink);
  padding:12px 22px;border-radius:999px;font-weight:700;font-size:.95rem;
  box-shadow:var(--shadow);transition:transform .2s,color .2s;
}
.press-logos a:hover{transform:translateY(-3px);color:var(--rose)}
.press-quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;margin-top:40px}
.pq{background:var(--surface);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.pq p{font-style:italic;font-size:.97rem;margin-bottom:14px}
.pq b{font-size:.85rem;color:var(--rose)}

/* ============ GALLERY ============ */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:44px}
.g-item{
  aspect-ratio:3/4;border-radius:16px;overflow:hidden;position:relative;
  background:var(--dark-2);
}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.g-item:hover img{transform:scale(1.05)}
.g-item figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;
  background:linear-gradient(transparent,rgba(0,0,0,.72));
  color:#fff;font-size:.78rem;
}

/* ============ COMMUNITY ============ */
.community-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:44px}
.comm-card{border-radius:var(--radius);padding:34px;color:#fff;position:relative;overflow:hidden}
.comm-card.ez{background:linear-gradient(135deg,#1e1723,#452b56)}
.comm-card.travel{background:linear-gradient(135deg,#7c2f86,#b06ab3)}
.comm-card h3{font-size:1.3rem;margin-bottom:10px}
.comm-card p{font-size:.95rem;opacity:.88;margin-bottom:20px;max-width:420px}
.comm-card .btn{background:#fff;color:var(--ink);font-size:.85rem;padding:10px 22px}

/* ============ BLOG ============ */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:26px;margin-top:46px}
.post-card{
  background:var(--surface);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .25s;
}
.post-card:hover{transform:translateY(-6px)}
.post-card .thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,var(--rose-soft),#e9d9f0)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
.post-card .thumb.ph{display:flex;align-items:center;justify-content:center;font-size:2.4rem}
.post-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-tag{
  align-self:flex-start;font-size:.72rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--rose-deep);background:var(--rose-soft);
  padding:4px 12px;border-radius:999px;
}
.post-body h3{font-size:1.12rem}
.post-body h3 a{color:var(--ink);text-decoration:none}
.post-body h3 a:hover{color:var(--rose)}
.post-body p{font-size:.92rem;color:var(--ink-soft);flex:1}
.post-more{font-size:.88rem;font-weight:700;color:var(--rose);text-decoration:none}
.post-more:hover{text-decoration:underline}
.post-meta{font-size:.78rem;color:var(--ink-soft)}

/* ============ ARTICLE ============ */
.article{max-width:760px;margin:0 auto;padding:0 20px}
.article-head{padding:140px 0 30px}
.article-head h1{font-family:'Playfair Display',serif;font-size:clamp(1.8rem,4.5vw,2.8rem);font-weight:800;margin:14px 0}
.article-body{padding-bottom:80px;font-size:1.03rem}
.article-body h2{font-size:1.35rem;margin:38px 0 14px;font-family:'Playfair Display',serif}
.article-body h3{font-size:1.08rem;margin:26px 0 10px}
.article-body p{margin-bottom:16px;color:var(--ink);opacity:.92}
.article-body ul,.article-body ol{margin:0 0 16px 24px}
.article-body li{margin-bottom:8px}
.article-body blockquote{
  border-left:4px solid var(--rose);padding:8px 22px;margin:24px 0;
  background:var(--rose-soft);border-radius:0 12px 12px 0;
  font-style:italic;
}
.article-body .tip{
  background:var(--surface);border:1px solid color-mix(in srgb, var(--rose) 30%, transparent);
  border-radius:14px;padding:18px 22px;margin:24px 0;font-size:.95rem;
  box-shadow:var(--shadow);
}
.article-cta{
  margin-top:44px;background:var(--dark);color:#fff;border-radius:var(--radius);
  padding:32px;text-align:center;
}
.article-cta h3{margin-bottom:8px}
.article-cta p{color:#b3a6bb;margin-bottom:20px}

/* ============ PRICING ============ */
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px;margin-top:46px}
.price-card{
  background:var(--surface);border-radius:22px;padding:36px 30px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;
  border:2px solid transparent;position:relative;
}
.price-card.featured{border-color:var(--rose)}
.price-card .badge{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:linear-gradient(120deg,var(--rose),var(--rose-deep));color:#fff;
  font-size:.75rem;font-weight:700;padding:5px 18px;border-radius:999px;white-space:nowrap;
}
.price-card h3{font-size:1.15rem;margin-bottom:6px}
.price-card .desc{font-size:.88rem;color:var(--ink-soft);margin-bottom:20px}
.price{font-size:2rem;font-weight:800;margin-bottom:2px}
.price small{font-size:.9rem;font-weight:500;color:var(--ink-soft)}
.price-per{font-size:.82rem;color:var(--ink-soft);margin-bottom:22px}
.price-feats{list-style:none;margin-bottom:28px;flex:1}
.price-feats li{
  padding:8px 0 8px 28px;position:relative;font-size:.92rem;
  border-bottom:1px dashed color-mix(in srgb, var(--ink) 10%, transparent);
}
.price-feats li::before{content:'✓';position:absolute;left:0;color:var(--rose);font-weight:800}
.price-table-wrap{overflow-x:auto;margin-top:40px;border-radius:var(--radius);box-shadow:var(--shadow)}
.price-table{width:100%;border-collapse:collapse;background:var(--surface);min-width:520px}
.price-table th{
  background:linear-gradient(120deg,var(--rose),var(--rose-deep));color:#fff;
  padding:16px 18px;text-align:left;font-size:.9rem;letter-spacing:.05em;text-transform:uppercase;
}
.price-table td{padding:16px 18px;border-bottom:1px solid color-mix(in srgb, var(--ink) 8%, transparent);font-size:.97rem}
.price-table tr:last-child td{border-bottom:none}
.price-table tr:hover td{background:var(--rose-soft)}
.price-table .best .tag-best{
  display:inline-block;background:var(--rose);color:#fff;font-size:.7rem;font-weight:700;
  padding:2px 10px;border-radius:999px;margin-left:8px;vertical-align:middle;
}
.price-table b{color:var(--rose-deep)}
.pros-cons{display:grid;gap:6px;margin:14px 0 20px;font-size:.88rem}
.pros-cons .pro::before{content:'✓ ';color:#3d9a5f;font-weight:800}
.pros-cons .con::before{content:'– ';color:var(--ink-soft);font-weight:800}
.pros-cons .pro,.pros-cons .con{color:var(--ink-soft)}
.bank-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;margin-top:36px}
.bank-card{
  background:var(--surface);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);
  border-top:4px solid var(--rose);
}
.bank-card h3{font-size:1rem;margin-bottom:6px}
.bank-card .stk{font-size:1.35rem;font-weight:800;letter-spacing:.04em;margin:6px 0 4px}
.bank-card p{font-size:.88rem;color:var(--ink-soft)}
.bank-card .btn{margin-top:14px;padding:9px 20px;font-size:.83rem}
.policy-list{margin-top:36px;max-width:860px}
.policy-list details{
  background:var(--surface);border-radius:14px;padding:18px 22px;margin-bottom:12px;
  box-shadow:var(--shadow);border-left:4px solid var(--rose);
}
.policy-list summary{font-weight:700;cursor:pointer;font-size:.98rem}
.policy-list ul{margin:12px 0 4px 20px;font-size:.93rem;color:var(--ink-soft)}
.policy-list li{margin-bottom:8px}
.price-note{
  margin-top:40px;background:var(--surface);border-radius:14px;padding:20px 24px;
  font-size:.9rem;color:var(--ink-soft);box-shadow:var(--shadow);
}
.faq{margin-top:56px;max-width:760px}
.faq details{
  background:var(--surface);border-radius:14px;padding:18px 22px;margin-bottom:12px;
  box-shadow:var(--shadow);
}
.faq summary{font-weight:700;cursor:pointer;font-size:.98rem}
.faq details p{margin-top:10px;font-size:.93rem;color:var(--ink-soft)}

/* ============ CONTACT ============ */
.contact{background:var(--dark);color:#fff}
.contact .section-title{color:#fff}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;margin-top:44px}
.contact-info h3{font-size:1.05rem;margin:22px 0 6px;color:#fff}
.contact-info p,.contact-info a{color:#b3a6bb;font-size:.95rem;text-decoration:none}
.contact-info a:hover{color:var(--rose)}
.form{display:flex;flex-direction:column;gap:14px}
.form input,.form select,.form textarea{
  background:var(--dark-2);border:1px solid rgba(255,255,255,.12);
  border-radius:12px;padding:14px 16px;color:#fff;font-family:inherit;font-size:.95rem;
}
.form input::placeholder,.form textarea::placeholder{color:#8d8093}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--rose)}
.form button{margin-top:6px}
.form-note{font-size:.8rem;color:#8d8093}
.form-success{
  display:none;background:rgba(80,200,120,.15);border:1px solid rgba(80,200,120,.5);
  color:#c8f0d5;border-radius:12px;padding:14px 18px;font-size:.92rem;
}
.form-success.show{display:block}
.btn-messenger{
  background:#0084ff;color:#fff;display:inline-flex;align-items:center;gap:8px;
}
.btn-messenger:hover{transform:translateY(-2px)}

footer{background:var(--dark);border-top:1px solid rgba(255,255,255,.08);padding:28px 0;color:#8d8093;font-size:.85rem}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.socials{display:flex;gap:16px}
.socials a{color:#b3a6bb;text-decoration:none;font-size:.9rem}
.socials a:hover{color:var(--rose)}

/* reveal animation — mặc định hiển thị; chỉ animate khi JS gắn .anim */
.reveal.anim{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.anim.on{opacity:1;transform:none}

/* ============ RESPONSIVE ============ */
@media(max-width:900px){
  .hero-grid,.story-grid,.contact-grid,.community-grid{grid-template-columns:1fr}
  .hero-visual{max-width:420px;margin:0 auto}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .fc-1{left:0}.fc-2{right:0}
}
@media(max-width:720px){
  section{padding:64px 0}
  .nav-links{
    position:fixed;inset:64px 0 auto 0;background:var(--bg);
    flex-direction:column;padding:24px;gap:18px;display:none;
    border-bottom:1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  }
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .hero{padding-top:96px}
  .hero-stats{gap:22px}
  .float-card{display:none}
}