:root{
  --bg:#f7f3eb;
  --bg-soft:#efe8dc;
  --card:#fffdf9;
  --text:#584c3d;
  --muted:#7d715f;
  --green:#8a9770;
  --green-dark:#697653;
  --line:#ddd1c1;
  --shadow:0 20px 50px rgba(88,76,61,.08);
  --radius:26px;
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:
    radial-gradient(circle at 10% 8%, rgba(138,151,112,.07), transparent 18%),
    radial-gradient(circle at 88% 6%, rgba(225,208,188,.22), transparent 16%),
    var(--bg);
  color:var(--text);
  line-height:1.72;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
.topbar{
  position:sticky;top:0;z-index:30;
  background:rgba(247,243,235,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(138,151,112,.08);
}
.nav{
  min-height:82px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  display:flex;align-items:center;gap:12px;
  color:var(--green-dark);font-weight:700;
}
.brand-mark{width:46px;height:46px;display:grid;place-items:center}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text small{font-size:11px;letter-spacing:1.5px;color:var(--muted);font-weight:500}
.menu{display:flex;align-items:center;gap:28px;color:var(--muted);font-size:15px}
.menu a{position:relative;padding:6px 0}
.menu a::after{
  content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;
  background:var(--green);transition:.25s ease
}
.menu a:hover,.menu a.active{color:var(--green-dark)}
.menu a:hover::after,.menu a.active::after{width:100%}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:999px;padding:14px 24px;font-weight:600;border:none;cursor:pointer;
  transition:.25s ease
}
.btn-primary{background:var(--green);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--green-dark);border:1px solid var(--line)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.section{padding:78px 0}
.section-soft{background:linear-gradient(180deg, rgba(255,255,255,.28), rgba(255,255,255,.04)), var(--bg-soft)}
h1,h2,h3{margin:0;line-height:1.22}
.title-wrap{text-align:center;margin-bottom:38px}
.title-wrap h2{
  font-family:"Songti SC","STSong",serif;
  font-size:clamp(30px,3.2vw,46px);
  margin-bottom:12px;
}
.title-wrap p{margin:0 auto;color:var(--muted);max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(138,151,112,.1);color:var(--green-dark);font-size:13px;
  margin-bottom:18px;
}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .75s ease, transform .75s ease}
.reveal.show{opacity:1;transform:translateY(0)}
.hover-card{transition:transform .25s ease, box-shadow .25s ease}
.hover-card:hover{transform:translateY(-6px);box-shadow:0 22px 55px rgba(88,76,61,.12)}
.glass{
  background:rgba(255,255,255,.74);
  border:1px solid rgba(221,209,193,.9);
  box-shadow:var(--shadow);
  backdrop-filter:blur(12px);
}
.icon{
  width:68px;height:68px;border-radius:50%;
  display:grid;place-items:center;margin:0 auto 16px;
  background:rgba(138,151,112,.12);color:var(--green-dark);font-size:28px
}
.floating-whatsapp{
  position:fixed;right:24px;bottom:24px;z-index:60;
  padding:14px 18px;border-radius:999px;background:#25d366;color:#fff;
  box-shadow:0 18px 40px rgba(37,211,102,.28);font-weight:700
}
footer{padding:30px 0 48px;color:var(--muted);font-size:14px}
.footer-row{
  display:flex;justify-content:space-between;gap:16px;align-items:center;
  border-top:1px solid var(--line);padding-top:24px
}
.required{color:#d86b7a;margin-left:4px;font-weight:700}
label > span{display:inline-block}
input,textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:15px;padding:15px 16px;font:inherit;color:var(--text);outline:none;transition:.2s ease}
input:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 4px rgba(138,151,112,.12)}
textarea{min-height:110px;resize:vertical}
.helper{color:var(--muted);font-size:13px;margin-top:12px}
.success-box{display:none;margin-top:14px;padding:14px 16px;border-radius:14px;background:rgba(138,151,112,.12);color:var(--green-dark);border:1px solid rgba(138,151,112,.18);font-size:14px}
.success-box.show{display:block}
footer .footer-row div:last-child{max-width:40ch}
.mobile-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--green-dark);font-size:22px;line-height:1;cursor:pointer;
}
.mobile-menu-panel{
  display:none;
  padding:0 20px 18px;
}
.mobile-menu-panel.open{display:block}
.mobile-menu-panel nav{
  display:grid;gap:12px;
  padding:16px;border-radius:18px;
  background:rgba(255,255,255,.92);border:1px solid rgba(221,209,193,.9);
  box-shadow:var(--shadow);
}
.mobile-menu-panel a{color:var(--green-dark)}
@keyframes floaty{0%{transform:translateY(0)}50%{transform:translateY(-10px)}100%{transform:translateY(0)}}
@media (max-width:1024px){
  .hero-grid,.split-grid,.cta-grid,.about-grid,.hero-box,.story-layout{grid-template-columns:1fr!important}
  .four-grid,.three-grid,.two-grid{grid-template-columns:repeat(2,1fr)!important}
}
@media (max-width:760px){
  .menu{display:none}
  .mobile-toggle{display:inline-grid;place-items:center}
  .section{padding:60px 0}
  .four-grid,.three-grid,.two-grid{grid-template-columns:1fr!important}
  .nav{min-height:74px}
  .footer-row{flex-direction:column;align-items:flex-start}
  .floating-whatsapp{right:16px;bottom:16px}
  footer .footer-row div:last-child{max-width:none}
}


/* ===== universal performance + mobile navigation fixes ===== */
body{padding-top:94px}
.topbar{
  position:fixed!important;
  top:0;left:0;right:0;
  z-index:1000;
  background:rgba(247,243,235,.94)!important;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.brand-mark img{width:46px!important;height:46px!important;object-fit:contain}
.menu-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  min-width:44px;
  min-height:44px;
  padding:10px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--green-dark);
  font-weight:700;
  flex:0 0 auto;
}
.mobile-menu-panel{
  display:none;
  padding:0 0 16px;
  border-top:1px solid rgba(138,151,112,.08);
}
.mobile-menu-panel.show{display:block}
.mobile-menu-links{
  display:grid;
  gap:10px;
  padding-top:14px;
}
.mobile-menu-links a{
  padding:14px 16px;
  border-radius:16px;
  border:1px solid rgba(221,209,193,.9);
  background:rgba(255,255,255,.9);
  color:var(--green-dark);
}
.mobile-menu-links a:last-child{background:var(--green);color:#fff;border-color:transparent}
.hero-card,.hero-image,.image-panel,.cta-image{background-repeat:no-repeat}
@media (max-width:760px){
  body{padding-top:86px}
  .topbar{box-shadow:0 8px 22px rgba(88,76,61,.08)}
  .nav{
    min-height:72px!important;
    padding:12px 0!important;
    display:grid!important;
    grid-template-columns:1fr auto!important;
    align-items:center!important;
    gap:12px!important;
  }
  .menu,.nav > .btn{display:none!important}
  .menu-toggle{display:inline-flex!important}
  .brand{min-width:0}
  .brand-text span{font-size:18px}
  .brand-text small{font-size:10px}
  .hero,.section{padding-top:26px!important}
  .hero-card,.hero-image,.image-panel,.cta-image{min-height:220px!important}
  .hero-panel{position:static!important;margin-top:12px!important}
  .floating-whatsapp{
    right:12px!important;bottom:12px!important;
    padding:12px 14px!important;font-size:14px!important;
    max-width:calc(100vw - 24px)
  }
}