/* ============================================================
   SeeWorld / ZONGYI — Panoramic / Vista
   Wide-open horizon aesthetic with expansive clean design
   ============================================================ */

:root {
  --sky: #F5F4F0;
  --sky-warm: #EDEAE3;
  --horizon: #4080B0;
  --horizon-deep: #2A6090;
  --vista: #6A7078;
  --vista-light: #9098A0;
  --deep: #1A3040;
  --deep-surface: #223848;
  --earth: #B08860;
  --earth-light: #C8A080;
  --golden: #E0B860;
  --white: #FAFAF8;
  --shadow: #282C30;
  --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --max-w: 1040px;
  --gap: 1.5rem;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:var(--font-body);font-size:0.93rem;line-height:1.7;
  color:var(--deep);background:var(--sky);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto}
a{color:var(--horizon);text-decoration:none;transition:color 0.2s}
a:hover{color:var(--horizon-deep)}

h1,h2,h3,h4{font-weight:700;color:var(--deep)}
h1{font-size:clamp(1.9rem,3.8vw,2.5rem);letter-spacing:-0.01em;line-height:1.12}
h2{font-size:clamp(1.3rem,2.5vw,1.6rem);line-height:1.15}
h3{font-size:1.05rem}
h4{font-size:0.88rem}

/* --- Vista Nav --- */
.vista-nav{position:sticky;top:0;z-index:100;background:var(--sky);border-bottom:1px solid var(--sky-warm)}
.vista-nav-inner{max-width:var(--max-w);margin:0 auto;padding:0 1.5rem;height:54px;display:flex;align-items:center;justify-content:space-between}
.vista-logo{display:flex;align-items:center;gap:0.5rem;font-weight:700;font-size:0.92rem;color:var(--deep)}
.vista-logo-mark{width:28px;height:28px;background:var(--horizon);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:0.65rem;color:var(--white)}
.vista-links{display:flex;gap:0;list-style:none;padding:0}
.vista-links a{display:block;padding:0.3rem 0.9rem;font-size:0.82rem;font-weight:500;color:var(--vista);transition:all 0.2s}
.vista-links a:hover,.vista-links a.active{color:var(--horizon)}
.vista-cta a{background:var(--deep);color:var(--white)!important;font-weight:600}
.vista-cta a:hover{background:var(--horizon);color:var(--white)!important}
.vista-menu{display:none;background:none;border:none;cursor:pointer;font-size:1.1rem;color:var(--deep);padding:0.3rem}

/* --- Main --- */
.vista-main{max-width:var(--max-w);margin:0 auto;padding:0 1.5rem}

/* --- Horizon Hero --- */
.horizon-hero{padding:5rem 0 3rem;text-align:center}
.horizon-hero .hh-tag{display:inline-block;font-size:0.68rem;font-weight:700;text-transform:uppercase;letter-spacing:0.12em;color:var(--horizon);margin-bottom:0.75rem}
.horizon-hero h1{max-width:600px;margin:0 auto 0.75rem}
.horizon-hero .hh-desc{color:var(--vista);max-width:520px;margin:0 auto 2rem;font-size:0.93rem;line-height:1.6}

/* --- Vista Stats --- */
.vista-stats{display:flex;justify-content:center;gap:0;margin:2rem 0;flex-wrap:wrap}
.vista-stat{text-align:center;padding:1.5rem 2.5rem;flex:1;min-width:140px}
.vista-stat+.vista-stat{border-left:1px solid var(--sky-warm)}
.vista-stat .vs-val{font-size:1.8rem;font-weight:800;color:var(--horizon);line-height:1;margin-bottom:0.1rem}
.vista-stat .vs-lbl{font-size:0.66rem;font-weight:600;text-transform:uppercase;letter-spacing:0.06em;color:var(--vista)}

/* --- Playa Section --- */
.playa-section{padding:3.5rem 0}
.playa-section+.playa-section{border-top:1px solid var(--sky-warm)}
.ps-header{display:flex;align-items:center;gap:0.75rem;margin-bottom:2.5rem}
.ps-header .ps-line{width:30px;height:3px;background:var(--horizon)}
.ps-header h2{margin-bottom:0}

/* --- Horizon Grid --- */
.horizon-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.horizon-card{background:var(--white);border:1px solid var(--sky-warm);padding:1.75rem;transition:all 0.25s}
.horizon-card:hover{box-shadow:0 6px 20px rgba(0,0,0,0.05);border-color:var(--horizon)}
.horizon-card .hc-mark{font-size:0.65rem;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:var(--earth);margin-bottom:0.5rem}
.horizon-card h4{font-size:0.9rem;margin-bottom:0.3rem}
.horizon-card p{font-size:0.83rem;color:var(--vista);line-height:1.5}

/* --- Ridge Row --- */
.ridge-row{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start;padding:2.5rem 0}
.ridge-row+.ridge-row{border-top:1px solid var(--sky-warm)}
.ridge-row.reverse{direction:rtl}
.ridge-row.reverse .rr-text{direction:ltr}
.rr-text h3{color:var(--horizon);margin-bottom:0.5rem}
.rr-text p{color:var(--vista);line-height:1.7;margin-bottom:0.8rem;font-size:0.87rem}
.rr-list{list-style:none;padding:0}
.rr-list li{padding:0.22rem 0;padding-left:1rem;position:relative;color:var(--vista);font-size:0.82rem}
.rr-list li::before{content:'';position:absolute;left:0;top:0.45rem;width:5px;height:5px;background:var(--horizon)}
.rr-vista{background:var(--deep);color:var(--white);padding:2.5rem 2rem;text-align:center}
.rr-vista .rv-icon{font-size:2rem;margin-bottom:0.3rem}
.rr-vista h4{font-size:0.88rem;color:var(--golden)}

/* --- Trail Steps --- */
.trail-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.trail-step{text-align:center;padding:1.5rem 1rem;background:var(--white);border:1px solid var(--sky-warm)}
.trail-step .ts-num{font-size:1.6rem;font-weight:800;color:var(--horizon);line-height:1;margin-bottom:0.3rem}
.trail-step h4{font-size:0.82rem;margin-bottom:0.12rem}
.trail-step p{font-size:0.76rem;color:var(--vista);line-height:1.35}

/* --- Vista Quote --- */
.vista-quote{background:var(--white);border:1px solid var(--sky-warm);padding:2rem;margin:2rem 0;text-align:center}
.vista-quote blockquote{font-size:0.95rem;line-height:1.55;color:var(--vista);font-style:italic;max-width:560px;margin:0 auto}
.vista-quote .vq-src{display:block;margin-top:0.75rem;font-weight:700;font-size:0.8rem;font-style:normal;color:var(--horizon)}

/* --- Contact --- */
.contact-vista{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem}
.contact-pano{background:var(--white);border:1px solid var(--sky-warm);padding:1.25rem;margin-bottom:1rem;border-left:4px solid var(--horizon)}
.contact-pano h4{font-size:0.68rem;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;color:var(--vista-light);margin-bottom:0.1rem}
.contact-pano .cp-val{font-weight:700;font-size:0.86rem}
.contact-pano .cp-note{font-size:0.74rem;color:var(--vista);margin-top:0.1rem}
.contact-form-vista{background:var(--white);border:1px solid var(--sky-warm);padding:1.75rem}
.contact-form-vista h3{margin-bottom:1rem}
.form-fv{margin-bottom:0.85rem}
.form-fv label{display:block;font-weight:600;font-size:0.68rem;text-transform:uppercase;letter-spacing:0.04em;color:var(--vista);margin-bottom:0.1rem}
.form-fv input,.form-fv textarea,.form-fv select{
  width:100%;padding:0.55rem 0.7rem;font-size:0.85rem;border:1px solid var(--sky-warm);
  font-family:var(--font-body);background:var(--sky);transition:border-color 0.2s;
}
.form-fv input:focus,.form-fv textarea:focus,.form-fv select:focus{outline:none;border-color:var(--horizon)}
.form-fv textarea{resize:vertical;min-height:95px}
.form-gv{display:grid;grid-template-columns:1fr 1fr;gap:0.85rem}

.btn{
  display:inline-flex;align-items:center;gap:0.4rem;padding:0.6rem 1.5rem;
  font-size:0.84rem;font-weight:700;cursor:pointer;font-family:var(--font-body);
  border:2px solid var(--deep);transition:all 0.2s;text-transform:uppercase;letter-spacing:0.04em;
}
.btn-deep{background:var(--deep);color:var(--white)}
.btn-deep:hover{background:var(--horizon);border-color:var(--horizon)}
.btn-horizon{background:transparent;color:var(--horizon);border-color:var(--horizon)}
.btn-horizon:hover{background:var(--horizon);color:var(--white)}

/* --- Page Open --- */
.page-open{padding:3.5rem 0 1.5rem;text-align:center}
.page-open .po-tag{font-size:0.68rem;font-weight:700;text-transform:uppercase;letter-spacing:0.12em;color:var(--horizon);margin-bottom:0.5rem}
.page-open h1{margin-bottom:0.4rem}
.page-open .po-desc{color:var(--vista);max-width:500px;margin:0 auto;font-size:0.93rem;line-height:1.6}

/* --- Principles --- */
.principles-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.principle-view{background:var(--white);border:1px solid var(--sky-warm);padding:1.25rem;border-top:3px solid var(--horizon)}
.principle-view h4{font-size:0.84rem;color:var(--horizon);margin-bottom:0.2rem}
.principle-view p{font-size:0.8rem;color:var(--vista);line-height:1.45}

/* --- Team --- */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.team-scout{text-align:center;padding:1.25rem 1rem;background:var(--white);border:1px solid var(--sky-warm)}
.team-lens{width:44px;height:44px;border-radius:50%;margin:0 auto 0.5rem;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.7rem;color:var(--white)}
.team-lens.blue{background:var(--horizon)}
.team-lens.deep{background:var(--deep)}
.team-lens.earth{background:var(--earth)}
.team-lens.golden{background:var(--golden);color:var(--deep)}
.team-scout h4{font-size:0.78rem;margin-bottom:0.03rem}
.team-scout .role{font-size:0.68rem;color:var(--vista)}

/* --- Legal --- */
.legal-prose{max-width:680px}
.legal-prose section{margin-bottom:1.8rem}
.legal-prose h2{font-size:0.95rem;margin-bottom:0.4rem;padding-bottom:0.2rem;border-bottom:1px solid var(--sky-warm);color:var(--horizon)}
.legal-prose h3{font-size:0.82rem;margin:0.8rem 0 0.3rem;color:var(--earth)}
.legal-prose p{line-height:1.65;color:var(--vista);margin-bottom:0.7rem;font-size:0.84rem}
.legal-prose ul,.legal-prose ol{margin-bottom:0.7rem;color:var(--vista);padding-left:1.5rem;font-size:0.84rem}
.legal-prose ul li,.legal-prose ol li{margin-bottom:0.2rem}
.legal-updated{padding:0.7rem 1rem;background:var(--white);border:1px solid var(--sky-warm);border-left:3px solid var(--horizon);margin-bottom:1.5rem;font-size:0.78rem;color:var(--vista)}
.legal-toc{background:var(--white);border:1px solid var(--sky-warm);padding:1rem;margin-bottom:1.5rem}
.legal-toc h3{font-size:0.72rem;text-transform:uppercase;letter-spacing:0.05em;margin-top:0;margin-bottom:0.5rem;color:var(--vista)}
.legal-toc ol{padding-left:1.5rem;margin-bottom:0}
.legal-toc ol li{margin-bottom:0.15rem;font-size:0.8rem}

/* --- Footer --- */
.vista-footer{background:var(--deep);color:var(--sky-warm);margin-top:4rem}
.vista-footer-grid{max-width:var(--max-w);margin:0 auto;padding:2.5rem 1.5rem;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:2.5rem}
.vista-footer-brand h4{color:var(--golden);font-size:0.88rem;margin-bottom:0.3rem}
.vista-footer-brand p{color:var(--vista-light);font-size:0.76rem;line-height:1.45}
.vista-footer-col h4{color:var(--horizon);font-size:0.62rem;text-transform:uppercase;letter-spacing:0.1em;margin-bottom:0.5rem}
.vista-footer-col ul{list-style:none;padding:0}
.vista-footer-col ul li{margin-bottom:0.22rem}
.vista-footer-col ul a{color:var(--vista-light);font-size:0.76rem;transition:color 0.2s}
.vista-footer-col ul a:hover{color:var(--white)}
.vista-footer-bar{max-width:var(--max-w);margin:0 auto;padding:0.7rem 1.5rem;border-top:1px solid rgba(255,255,255,0.05);display:flex;justify-content:space-between;font-size:0.68rem;color:var(--vista-light)}
.vista-footer-bar a{color:var(--vista-light)}
.vista-footer-bar a:hover{color:var(--white)}

@media (max-width: 860px){
  .vista-links{display:none;position:absolute;top:54px;left:0;right:0;background:var(--sky);flex-direction:column;padding:1rem;border-bottom:1px solid var(--sky-warm)}
  .vista-links.open{display:flex}
  .vista-menu{display:block}
  .vista-nav-inner{position:relative}
  .horizon-grid,.ridge-row,.contact-vista,.principles-grid,.team-grid,.trail-steps,.form-gv{grid-template-columns:1fr}
  .ridge-row.reverse{direction:ltr}
  .vista-stat{flex:auto;min-width:50%}
  .vista-footer-grid{grid-template-columns:1fr;gap:1.5rem}
}
@media (max-width: 500px){.vista-stat{min-width:100%}}