/* ============================================================
   ARIN Movement Studio — shared styles
   ============================================================ */
@font-face{font-family:"Timeless";src:url("../fonts/Timeless.ttf") format("truetype");font-weight:400;font-display:swap}
@font-face{font-family:"Timeless";src:url("../fonts/Timeless-Bold.ttf") format("truetype");font-weight:700;font-display:swap}
@font-face{font-family:"Neue Haas";src:url("../fonts/NeueHaas-55Roman.otf") format("opentype");font-weight:400;font-display:swap}

/* ---------- tokens ---------- */
:root{
  --sand:#E8E2D6; --stone:#D8CEC0; --olive:#556044; --moss:#6A7352; --bronze:#B88D5C;
  --ground:#E9E3D8; --surface:#F2EEE5; --surface-alt:#DCD3C5;
  --ink:#39402E; --ink-strong:#2A3020; --head:#4E5940; --muted:#6C7454;
  --accent:#AE7F4C; --accent-soft:#C7A277;
  --deep:#3C4531; --deep-ink:#EAE4D8; --deep-muted:#B7BE9F;
  --line:rgba(85,96,68,.20); --line-soft:rgba(85,96,68,.12);
  --shadow:0 26px 60px -34px rgba(44,49,32,.4);
  --serif:"Timeless",Georgia,"Times New Roman",serif;
  --sans:"Neue Haas","Inter",system-ui,-apple-system,Segoe UI,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ground:#1E2417; --surface:#28301F; --surface-alt:#333B28;
    --ink:#E2DCCE; --ink-strong:#F1ECE0; --head:#EAE4D7; --muted:#AEB593;
    --accent:#CBA06E; --accent-soft:#B0824F;
    --deep:#161B10; --deep-ink:#E9E3D8; --deep-muted:#AEB593;
    --line:rgba(232,226,214,.16); --line-soft:rgba(232,226,214,.09);
    --shadow:0 26px 60px -34px rgba(0,0,0,.6);
  }
}
:root[data-theme="dark"]{
  --ground:#1E2417; --surface:#28301F; --surface-alt:#333B28;
  --ink:#E2DCCE; --ink-strong:#F1ECE0; --head:#EAE4D7; --muted:#AEB593;
  --accent:#CBA06E; --accent-soft:#B0824F;
  --deep:#161B10; --deep-ink:#E9E3D8; --deep-muted:#AEB593;
  --line:rgba(232,226,214,.16); --line-soft:rgba(232,226,214,.09);
  --shadow:0 26px 60px -34px rgba(0,0,0,.6);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--serif);
  font-size:17.5px;line-height:1.72;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}
.narrow{max-width:760px}
h1,h2,h3,h4{color:var(--head);font-weight:400;line-height:1.12;text-wrap:balance;margin:0}
p{margin:0 0 1.1em}
.lead{font-size:1.14rem;max-width:60ch;color:var(--ink)}
.muted{color:var(--muted)}
.center{text-align:center}
.eyebrow{font-family:var(--sans);font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--accent);font-weight:400;display:inline-flex;align-items:center;gap:.7em;margin:0 0 1.4rem}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
.sans{font-family:var(--sans)}

/* ---------- mark ---------- */
.mark{display:block;color:var(--accent)}
.mark svg,svg.mark{fill:currentColor}

/* ---------- buttons ---------- */
.btn{font-family:var(--sans);font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;
  padding:.85em 1.6em;border:1px solid var(--accent);background:var(--accent);color:#F6F1E8;
  transition:.22s;cursor:pointer;display:inline-block;border-radius:1px}
.btn:hover{background:transparent;color:var(--accent)}
.btn.ghost{background:transparent;color:var(--head);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn.on-deep{border-color:var(--accent-soft);background:var(--accent-soft);color:#2B3120}
.btn.on-deep:hover{background:transparent;color:var(--accent-soft)}
.textlink{font-family:var(--sans);font-size:.82rem;letter-spacing:.06em;color:var(--accent);
  display:inline-flex;align-items:center;gap:.5em;border-bottom:1px solid transparent;padding-bottom:2px}
.textlink:hover{border-color:var(--accent)}

/* ---------- nav ---------- */
header.nav{position:sticky;top:0;z-index:60;background:color-mix(in srgb,var(--ground) 90%,transparent);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line-soft)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:24px;height:78px}
.brand{display:flex;align-items:center;gap:12px;color:var(--head)}
.brand .mark{width:26px;height:36px}
.brand .wm{font-size:1.45rem;letter-spacing:.03em;color:var(--head)}
.brand .wm b{font-weight:700}
.brand .tag{font-family:var(--sans);font-size:.58rem;letter-spacing:.34em;text-transform:uppercase;
  color:var(--muted);margin-left:3px}
nav.links{display:flex;align-items:center;gap:28px;font-family:var(--sans);font-size:.82rem;letter-spacing:.03em}
nav.links a{color:var(--muted);transition:color .2s;padding-bottom:3px;border-bottom:1px solid transparent}
nav.links a:hover{color:var(--head)}
nav.links a.active{color:var(--head);border-color:var(--accent)}
.nav-right{display:flex;align-items:center;gap:18px}
.lang{font-family:var(--sans);font-size:.72rem;letter-spacing:.08em;color:var(--muted)}
.lang b{color:var(--head);font-weight:700}
.menu-toggle{display:none;background:none;border:0;color:var(--head);cursor:pointer;font-size:1.4rem;line-height:1}

/* ---------- hero (home) ---------- */
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;min-height:min(86vh,780px)}
.hero-copy{display:flex;flex-direction:column;justify-content:center;padding:72px 64px 72px 0}
.hero-copy h1{font-size:clamp(2.9rem,6vw,5.2rem);letter-spacing:-.01em;line-height:1.02}
.hero-copy .lead{margin-top:1.5rem;max-width:44ch}
.hero-cta{display:flex;gap:16px;margin-top:2.4rem;flex-wrap:wrap}
.hero-media{position:relative;overflow:hidden}
.hero-media img,.hero-media video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-media .wm-mark{position:absolute;right:-70px;bottom:-90px;width:340px;color:#fff;opacity:.14;pointer-events:none}

/* ---------- page hero (interior) ---------- */
.page-hero{padding:96px 0 64px;border-bottom:1px solid var(--line-soft)}
.page-hero h1{font-size:clamp(2.4rem,4.8vw,3.9rem);letter-spacing:-.01em}
.page-hero .lead{margin-top:1.4rem}
.page-hero .kicker{font-family:var(--serif);font-style:italic;color:var(--accent);font-size:1.2rem;margin-top:.2rem}

/* ---------- sections ---------- */
section{padding:96px 0}
.section-head{max-width:60ch;margin-bottom:8px}
.section-head h2{font-size:clamp(1.9rem,3.4vw,2.8rem)}
.section-head p{color:var(--muted);margin-top:1rem}
.alt{background:var(--surface);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}

/* ---------- intro band ---------- */
.band{background:var(--surface);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);padding:72px 0}
.band .wrap{display:grid;grid-template-columns:auto 1fr;gap:48px;align-items:center}
.band .mark{width:60px;height:82px;opacity:.55;flex:none}
.band .big{font-size:clamp(1.5rem,2.8vw,2.2rem);line-height:1.4;color:var(--head);max-width:26ch;margin:0}

/* ---------- figure / media ---------- */
figure{margin:0}
.media{position:relative;overflow:hidden;border-radius:2px;background:var(--surface-alt)}
.media img{width:100%;height:100%;object-fit:cover}
.ratio-45{aspect-ratio:4/5}
.ratio-32{aspect-ratio:3/2}
.ratio-11{aspect-ratio:1/1}
.pquote{font-family:var(--serif);font-style:italic;font-size:clamp(1.3rem,2.4vw,1.8rem);line-height:1.4;
  color:var(--head);max-width:26ch}
.pquote .src{display:block;font-style:normal;font-family:var(--sans);font-size:.72rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);margin-top:1.2rem}

/* ---------- two-col ---------- */
.two{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.two.wide-left{grid-template-columns:1.1fr .9fr}
.two.wide-right{grid-template-columns:.9fr 1.1fr}

/* ---------- service cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-soft);
  border:1px solid var(--line-soft);margin-top:48px}
.card{background:var(--ground);padding:40px 34px;min-height:230px;display:flex;flex-direction:column;transition:background .25s}
.card:hover{background:var(--surface)}
.card .idx{font-family:var(--sans);font-size:.72rem;letter-spacing:.14em;color:var(--accent);margin-bottom:auto}
.card h3{font-size:1.5rem;margin:0 0 .5rem}
.card p{font-size:.98rem;color:var(--muted);margin:0}
.card-list{list-style:none;margin:.7rem 0 0;padding:0;display:grid;gap:.45rem}
.card-list li{position:relative;padding-left:18px;font-size:.98rem;color:var(--ink)}
.card-list li::before{content:"";position:absolute;left:0;top:.6em;width:5px;height:5px;border-radius:50%;background:var(--accent)}

/* ---------- checklist ---------- */
.check{list-style:none;padding:0;margin:1.8rem 0 0;display:grid;grid-template-columns:1fr 1fr;gap:2px 40px}
.check li{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:14px 0;border-top:1px solid var(--line-soft);
  font-size:1rem;color:var(--ink);align-items:baseline}
.check li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);margin-top:.55em}

/* ---------- method list ---------- */
.methods{display:grid;gap:0;margin-top:8px}
.method{display:grid;grid-template-columns:.9fr 1.4fr;gap:40px;padding:40px 0;border-top:1px solid var(--line)}
.method:last-child{border-bottom:1px solid var(--line)}
.method h3{font-size:1.55rem}
.method .m-tag{font-family:var(--sans);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-top:.6rem}
.method p{margin:0;color:var(--ink)}

/* ---------- specialized grid ---------- */
.spec{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line-soft);
  border:1px solid var(--line-soft);margin-top:48px}
.spec .s{background:var(--ground);padding:34px 32px}
.spec h3{font-size:1.25rem;margin-bottom:.5rem}
.spec p{margin:0;color:var(--muted);font-size:.98rem}

/* ---------- values list (with number) ---------- */
.values{list-style:none;padding:0;margin:2.4rem 0 0}
.values li{display:grid;grid-template-columns:auto 1fr;gap:22px;padding:22px 0;border-top:1px solid var(--line);align-items:baseline}
.values li:last-child{border-bottom:1px solid var(--line)}
.values .v-name{font-size:1.2rem;color:var(--head);display:flex;gap:12px;align-items:baseline}
.values .num{font-family:var(--sans);font-size:.7rem;color:var(--accent);letter-spacing:.1em}
.values .v-desc{color:var(--muted);font-size:1rem}

/* ---------- deep section ---------- */
.deep{background:var(--deep);color:var(--deep-ink);position:relative;overflow:hidden}
.deep .wrap{position:relative;z-index:2}
.deep h2,.deep h3{color:var(--deep-ink)}
.deep .eyebrow{color:var(--accent-soft)}
.deep .eyebrow::before{background:var(--accent-soft)}
.deep .big{font-size:clamp(1.7rem,3.6vw,2.9rem);line-height:1.28;font-weight:400;max-width:22ch;color:var(--deep-ink)}
.deep .big em{font-style:italic;color:var(--accent-soft)}
.deep p{color:var(--deep-muted)}
.deep .a-mark{position:absolute;right:-90px;top:50%;transform:translateY(-50%);width:520px;color:var(--accent-soft);opacity:.09;z-index:1}
.deep.with-photo .wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}

/* ---------- founder ---------- */
.founder{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center}
.founder .media{aspect-ratio:4/5}

/* ---------- testimonials ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:48px}
.quote{border-top:2px solid var(--accent);padding-top:22px}
.quote .cat{font-family:var(--sans);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:.8rem}
.quote p{font-style:italic;color:var(--ink);font-size:1.05rem;margin:0 0 .8rem}
.quote .who{font-family:var(--sans);font-style:normal;font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.ph-note{display:inline-block;font-family:var(--sans);font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);border:1px dashed var(--accent);border-radius:2px;padding:.25em .6em;margin-left:.4em;opacity:.85;vertical-align:middle}

/* ---------- future direction ---------- */
.future{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:28px;font-family:var(--serif);
  font-size:clamp(1.2rem,2.4vw,1.7rem);color:var(--head)}
.future .step{padding:.3em 0}
.future .arrow{color:var(--accent);font-size:1.1em}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.detail{display:grid;grid-template-columns:auto 1fr;gap:10px 28px;margin-top:1rem}
.detail dt{font-family:var(--sans);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);padding-top:.25em}
.detail dd{margin:0;color:var(--ink)}
.book-box{margin:1.4rem 0 2rem;padding:26px 28px;border:1px solid var(--line);border-radius:14px;background:var(--surface-alt)}
.book-title{font-family:var(--serif);font-size:1.5rem;margin:0 0 .35rem}
.book-lead{color:var(--muted);margin:0 0 1.4rem;max-width:44ch}
.book-ways{display:grid;grid-template-columns:1fr auto;gap:34px;align-items:start;margin-top:1.5rem}
.book-ways[hidden]{display:none}
#bookBtn[aria-expanded="true"]{margin-bottom:.2rem}
.jinshuju-form{margin-top:1.4rem}
.jinshuju-form iframe{width:100%;display:block;border:0;max-width:100%}
.book-way{display:flex;flex-direction:column;align-items:flex-start;gap:.7rem}
.way-label{font-family:var(--sans);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.qr-wrap{background:#fff;padding:10px;border-radius:10px;border:1px solid var(--line);line-height:0}
.qr-wrap .qr{width:170px;height:170px;display:block;border-radius:2px}
.qr-note{font-family:var(--sans);font-size:.75rem;letter-spacing:.03em;color:var(--muted)}
.wechat-alt{display:flex;align-items:center;justify-content:space-between;gap:22px;margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}
.wechat-copy .qr-note{margin:.5rem 0 0;max-width:30ch}
.wechat-alt .qr-wrap{flex:none}
.wechat-alt .qr-wrap .qr{width:132px;height:132px}
@media(max-width:460px){.wechat-alt{flex-direction:column;align-items:flex-start;gap:16px}}
@media(max-width:560px){.book-ways{grid-template-columns:1fr;gap:24px}.book-way{align-items:flex-start}}
.creds{margin-top:1.8rem;padding-top:1.4rem;border-top:1px solid var(--line)}
.creds-label{font-family:var(--sans);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.creds ul{list-style:none;margin:.9rem 0 0;padding:0;display:grid;gap:.55rem}
.creds li{position:relative;padding-left:20px;color:var(--ink);font-size:.98rem}
.creds li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.edu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:48px;align-items:start;margin-top:1.4rem}
@media(max-width:820px){.edu-grid{grid-template-columns:1fr;gap:32px}}
.form-note{margin:.3rem 0 0;font-family:var(--sans);font-size:.9rem;line-height:1.5;padding:.7rem .9rem;border-radius:8px}
.form-note.ok{background:rgba(85,96,68,.1);color:var(--accent);border:1px solid var(--line)}
.form-note.err{background:rgba(160,70,60,.08);color:#9a4a3f;border:1px solid rgba(160,70,60,.25)}
form.enquiry{display:grid;gap:18px}
form.enquiry label{font-family:var(--sans);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:.4rem}
form.enquiry input,form.enquiry select,form.enquiry textarea{width:100%;font-family:var(--sans);font-size:.98rem;
  padding:.8em .9em;background:var(--ground);border:1px solid var(--line);border-radius:2px;color:var(--ink)}
form.enquiry input:focus,form.enquiry select:focus,form.enquiry textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.socials{display:flex;gap:22px;margin-top:1.6rem;font-family:var(--sans);font-size:.8rem;letter-spacing:.04em;flex-wrap:wrap}
.socials a{color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:2px}
.socials a:hover{color:var(--accent);border-color:var(--accent)}
.icon-links{display:flex;gap:12px;margin-top:1.6rem}
.icon-links a{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--muted);transition:.22s}
.icon-links a:hover{color:#F6F1E8;background:var(--accent);border-color:var(--accent)}
.icon-links svg{width:20px;height:20px;display:block}
.icon-links .xhs{font-family:var(--sans);font-weight:700;font-size:.62rem;letter-spacing:.02em}
.foot-icons{display:flex;gap:10px;margin-top:2px}
.foot-icons a{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;color:var(--deep-muted);transition:.22s}
.foot-icons a:hover{color:#2B3120;background:var(--accent-soft);border-color:var(--accent-soft)}
.foot-icons svg{width:18px;height:18px;display:block}
.foot-icons .xhs{font-family:var(--sans);font-weight:700;font-size:.56rem}

/* ---------- footer ---------- */
footer{background:var(--deep);color:var(--deep-ink);padding:64px 0 40px}
.foot-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;align-items:flex-start}
.foot-brand{display:flex;align-items:center;gap:14px}
.foot-brand .mark{width:30px;height:40px;color:var(--accent-soft)}
.foot-brand .wm{font-size:1.5rem;color:var(--deep-ink)}
.foot-brand .wm b{font-weight:700}
.foot-col h4{font-family:var(--sans);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-soft);margin-bottom:1rem}
.foot-links{display:flex;gap:40px;flex-wrap:wrap}
.foot-links a{display:block;color:var(--deep-muted);font-family:var(--sans);font-size:.85rem;margin-bottom:.6rem}
.foot-links a:hover{color:var(--accent-soft)}
.foot-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:48px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.1);font-family:var(--sans);font-size:.72rem;letter-spacing:.05em;color:var(--deep-muted);flex-wrap:wrap}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ---------- responsive ---------- */
@media (max-width:940px){
  nav.links{display:none}
  .menu-open nav.links{display:flex;position:absolute;top:78px;left:0;right:0;flex-direction:column;align-items:flex-start;
    gap:18px;background:var(--surface);padding:26px 32px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);font-size:1rem}
  .menu-toggle{display:block}
  .hero-grid{grid-template-columns:1fr}
  .hero-copy{padding:52px 0 40px}
  .hero-media{min-height:58vh}
  .band .wrap{grid-template-columns:1fr;gap:26px}
  .two,.two.wide-left,.two.wide-right,.founder,.contact-grid,.deep.with-photo .wrap{grid-template-columns:1fr;gap:40px}
  .cards{grid-template-columns:1fr 1fr}
  .spec{grid-template-columns:1fr}
  .method{grid-template-columns:1fr;gap:12px}
  .quotes{grid-template-columns:1fr}
  .check{grid-template-columns:1fr}
  section{padding:70px 0}
}
@media (max-width:560px){
  .wrap{padding:0 20px}
  .cards{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .hero-cta .btn{flex:1;text-align:center}
  .brand .tag{display:none}
  .nav-right .btn{display:none}
  .nav-right{gap:14px}
}