:root{
  --be:#F9F8F4;
  --gold:#CBB27A;
  --concrete:#5E5E5E;
  --warm-gray:#5E5A56;
  --ink:#3E3E3E;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--be);color:var(--ink);font-family:Poppins,system-ui,-apple-system,Segoe UI,Roboto;line-height:1.6}
h1,h2,h3{font-family:Montserrat,system-ui,Roboto}
.container{width:min(1100px,92%);margin:0 auto}
/* Nav */
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}
.brand-logo{height:40px;width:auto;display:block}
.brand-text strong{display:block;font-weight:800}
.brand-text small{display:block;color:var(--warm-gray);font-size:.85rem}
.menu{display:flex;gap:18px;align-items:center}
.menu a{color:var(--ink);text-decoration:none;font-weight:600}
.btn{background:var(--gold);color:#222;padding:10px 16px;border-radius:8px;border:2px solid var(--gold);font-weight:700;text-decoration:none}
.btn:hover{filter:brightness(.95)}
.btn-outline{background:transparent;border-color:var(--concrete);color:var(--concrete)}
.menu-toggle{display:none;background:none;border:0;cursor:pointer}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0}
/* Hero */
.hero{padding:56px 0 24px}
.hero-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center}
.hero-copy h1{font-size:clamp(28px,3.4vw,42px);margin:.2rem 0}
.hero-copy p{color:var(--warm-gray)}
.trust{display:flex;gap:14px;flex-wrap:wrap;padding:0;margin:12px 0 0;list-style:none;color:var(--concrete)}
.hero-art{min-height:320px;border-radius:16px;background:
  linear-gradient(180deg,rgba(0,0,0,.05),rgba(0,0,0,.15)),
  url('assets/hero.webp');background-size:cover;background-position:center;box-shadow:0 24px 60px rgba(0,0,0,.12)}
/* Sections */
.section{padding:48px 0}
.cards .grid,.gallery .grid{display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid #e8e6e3;border-radius:14px;padding:18px;box-shadow:0 8px 28px rgba(0,0,0,.06)}
.card h3{margin:.2rem 0 .4rem}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;padding:0;margin:0;list-style:none}
.steps li{background:#fff;border:1px solid #eceae7;border-radius:14px;padding:14px;font-weight:600;box-shadow:0 8px 24px rgba(0,0,0,.05)}
.steps span{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--gold);color:#222;margin-right:8px}
.gallery figure{margin:0;background:#fff;border:1px solid #eceae7;border-radius:14px;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,.05)}
.gallery img{width:100%;height:200px;object-fit:cover;display:block}
.gallery figcaption{padding:10px 12px;color:var(--warm-gray);font-weight:600}
/* Contact */
.contact form{background:#fff;border:1px solid #eceae7;border-radius:14px;padding:18px;box-shadow:0 8px 24px rgba(0,0,0,.05)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
input,select,textarea{width:100%;padding:12px;border-radius:10px;border:1px solid #e1dedb;background:#fbfaf8;font-family:inherit}
label{font-weight:600;color:var(--ink);display:block}
.footer{padding:26px 0;border-top:1px solid #eceae7;margin-top:28px;background:#fbfaf8}
.footer-inner{display:flex;align-items:center;justify-content:space-between}
.links{display:flex;gap:14px}

/* Floating chat buttons */
.fabs{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:10px;z-index:99}
.fab{display:inline-flex;align-items:center;justify-content:center;
  width:56px;height:56px;border-radius:50%;color:#fff;text-decoration:none;
  font-family:Montserrat,system-ui,Roboto;font-weight:800;box-shadow:0 10px 24px rgba(0,0,0,.18);
  border:2px solid rgba(255,255,255,.6)}
.fab-zalo{background:#0068FF}
.fab-mes{background:#0084FF}

@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr}
  .cards .grid,.gallery .grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .menu{display:none;position:absolute;right:4%;top:62px;background:#fff;border:1px solid #eceae7;border-radius:12px;padding:10px 12px;box-shadow:0 12px 36px rgba(0,0,0,.1)}
  .menu.show{display:flex;flex-direction:column;gap:10px}
  .menu-toggle{display:block}
}