:root{
  --green:#0f5132;
  --green2:#0b3d2a;
  --mint:#e9fff4;
  --text:#102018;
  --muted:#5f6f66;
  --line:#dfe8e2;
  --bg:#f8fbf9;
  --white:#fff;
  --accent:#16a34a;
  --zalo:#0068ff;
  --warning:#b45309;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial,'Helvetica Neue',sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.62;
  padding-bottom:88px;
}
a{text-decoration:none;color:inherit}
.container{width:min(1120px,92vw);margin:0 auto}
.topbar{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{min-height:68px;padding:10px 0;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand img{height:46px;width:auto;display:block}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .link{display:none}
.link{font-weight:800;color:var(--green)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--accent);color:#fff;font-weight:900;
  border-radius:999px;padding:14px 22px;text-align:center;
  box-shadow:0 10px 24px rgba(22,163,74,.25);
}
.btn.small{padding:10px 14px;font-size:14px;white-space:nowrap}
.btn.secondary{background:var(--green)}
.btn.zalo{background:var(--zalo)}
.btn.full{width:100%;margin-top:8px}
.hero{background:linear-gradient(135deg,#07331f,#0f5132 55%,#1c7c4a);color:#fff;padding:46px 0}
.hero-grid,.split,.legal-box{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
.eyebrow{margin:0 0 10px;text-transform:uppercase;letter-spacing:.12em;font-size:13px;font-weight:900;color:var(--accent)}
.hero .eyebrow{color:#bfffd8}
h1{font-size:clamp(38px,12vw,68px);line-height:1.04;margin:0 0 16px}
h2{font-size:clamp(28px,8vw,42px);line-height:1.12;margin:0 0 16px;color:var(--green)}
h3{margin:10px 0 8px;color:var(--green)}
.lead{font-size:20px;max-width:680px;margin:0 0 24px;color:#eafff2}
.cta-row{display:grid;gap:12px}
.cta-row .btn{width:100%}
.worktime{margin-top:20px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:14px 16px;border-radius:16px;max-width:680px}
.hero-card{background:#fff;border-radius:28px;padding:18px;box-shadow:0 24px 80px rgba(0,0,0,.28);text-align:center}
.hero-card img{width:100%;border-radius:22px;display:block}
.doctor-caption{font-weight:900;color:var(--green);padding:14px 0 4px;font-size:18px}
.section{padding:46px 0}
.rounded-img{width:100%;border-radius:26px;box-shadow:0 16px 50px rgba(15,81,50,.16)}
.trust-list,.bullet-list{display:grid;gap:10px;margin-top:20px}
.trust-list span,.bullet-list li{background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px 15px;font-weight:700}
.bullet-list{list-style:none;padding:0}
.section-head{text-align:center;max-width:800px;margin:0 auto 28px}
.cards,.steps,.gallery-grid,.faq-grid{display:grid;grid-template-columns:1fr;gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;font-weight:800;min-height:112px;box-shadow:0 8px 26px rgba(15,81,50,.06)}
.process,.faq{background:#fff}
.step{border:1px solid var(--line);border-radius:22px;padding:22px;background:var(--bg)}
.step b{display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;border-radius:50%;background:var(--green);color:#fff}
.step p{margin:0;color:var(--muted)}
.warning-box{background:#fff7ed;border:1px solid #fed7aa;border-left:6px solid var(--warning);border-radius:22px;padding:24px}
.warning-box h2{color:var(--warning)}
.warning-box li{margin-bottom:10px}
.gallery-grid img{width:100%;height:auto;object-fit:cover;border-radius:24px;box-shadow:0 12px 36px rgba(15,81,50,.14)}
.faq-item{background:var(--bg);border:1px solid var(--line);border-radius:18px;padding:20px}
.faq-item h3{font-size:18px;margin:0 0 8px}
.faq-item p{margin:0;color:var(--muted)}
.legal{background:linear-gradient(135deg,#ecfff3,#fff)}
.legal-box{background:#fff;border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:0 18px 60px rgba(15,81,50,.10)}
.contact-card{background:var(--green);color:#fff;border-radius:24px;padding:24px}
.contact-card h3{font-size:26px;line-height:1.15;margin-top:0;color:#fff}
.footer{background:#071d13;color:#d7f8e4;padding:24px 0}
.footer-grid{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.sticky-contact{position:fixed;left:0;right:0;bottom:12px;z-index:9999;display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0 12px}
.sticky-contact a{min-height:54px;display:flex;align-items:center;justify-content:center;border-radius:999px;color:#fff;font-weight:900;font-size:15px;text-align:center;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.sticky-zalo{background:var(--zalo)}
.sticky-phone{background:var(--accent)}
@media(min-width:768px){
  .nav{min-height:76px}.brand img{height:54px}.nav-actions{gap:18px}.nav-actions .link{display:inline-flex}
  .hero{padding:72px 0}.hero-grid{grid-template-columns:1.05fr .95fr;gap:42px}.split{grid-template-columns:1fr .9fr;gap:42px}
  .legal-box{grid-template-columns:1fr 360px;gap:28px;padding:32px}
  .cards,.steps,.faq-grid{grid-template-columns:repeat(2,1fr)}
  .gallery-grid{grid-template-columns:repeat(3,1fr);gap:18px}.gallery-grid img{height:260px}
  .cta-row{display:flex;gap:14px;flex-wrap:wrap}.cta-row .btn{width:auto}
  .section{padding:68px 0}
  .sticky-contact{left:50%;right:auto;transform:translateX(-50%);width:min(520px,92vw)}
  .sticky-contact a{font-size:16px}
}
@media(min-width:1200px){
  .cards,.steps{grid-template-columns:repeat(4,1fr)}
}