/* ===== MÀU & KÍCH THƯỚC CHUNG — đổi ở đây là đổi cả web ===== */
  :root{
    --navy:#0b2545; --navy-2:#13315c; --gold:#c9a227; --gold-2:#e0bb45;
    --ink:#1d2433; --muted:#5b6475; --line:#e3e7ee; --soft:#f4f6f9; --white:#fff;
    --radius:10px; --wrap:1160px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{font-family:Montserrat,system-ui,sans-serif;color:var(--ink);background:var(--white);line-height:1.6;font-size:15px}
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  .wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
  .gold{color:var(--gold)}
  .bar{width:70px;height:3px;background:var(--gold);margin:14px auto 0;border-radius:2px}
  .sec{padding:80px 0}
  .sec-title{text-align:center;font-size:clamp(22px,3vw,32px);font-weight:800;color:var(--navy);text-transform:uppercase;letter-spacing:.5px}
  .sec-sub{text-align:center;color:var(--muted);max-width:640px;margin:16px auto 0}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--gold);color:var(--navy);font-weight:700;padding:14px 28px;border-radius:6px;border:0;cursor:pointer;font-family:inherit;font-size:15px;text-transform:uppercase;transition:.2s}
  .btn:hover{background:var(--gold-2);transform:translateY(-1px)}
  .btn.navy{background:var(--navy);color:#fff}
  .btn.navy:hover{background:var(--navy-2)}

  /* ===== HEADER ===== */
  header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 2px 12px rgba(11,37,69,.08)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:72px}
  .logo{display:flex;align-items:center;gap:10px}
  .logo-mark{width:44px;height:44px;border-radius:8px;background:var(--navy);color:var(--gold);display:grid;place-items:center;font-weight:800;font-size:18px;font-family:Georgia,serif}
  .logo-text b{display:block;color:var(--navy);font-size:15px;line-height:1.2}
  .logo-text small{color:var(--gold);font-weight:600;font-size:11px;letter-spacing:1px}
  .menu{display:flex;gap:30px;font-weight:600;font-size:14px;color:var(--navy)}
  .menu a:hover{color:var(--gold)}
  .hotline{display:flex;align-items:center;gap:8px;background:var(--navy);color:#fff;padding:10px 18px;border-radius:30px;font-weight:700}
  .burger{display:none;background:none;border:0;font-size:26px;color:var(--navy);cursor:pointer}

  /* ===== HERO ===== */
  .hero{background:linear-gradient(120deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;position:relative;overflow:hidden}
  .hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 30%,rgba(201,162,39,.18),transparent 45%);pointer-events:none}
  .hero .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;padding-top:70px;padding-bottom:70px;position:relative;z-index:1}
  .hero h1{font-size:clamp(26px,3.6vw,42px);line-height:1.25;font-weight:800;text-transform:uppercase;color:rgba(255,255,255,.95)}
  .hero p.lead{margin:22px 0 30px;color:rgba(255,255,255,.8);font-size:16px;max-width:560px}
  .hero .cta{display:flex;gap:14px;flex-wrap:wrap}
  .hero .btn.ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.4)}
  .hero .btn.ghost:hover{border-color:var(--gold);color:var(--gold)}
  .hero-addr{margin-top:28px;display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.85);font-size:14px}
  .portrait{position:relative;justify-self:center;width:100%;max-width:380px}
  .portrait .frame{aspect-ratio:4/5;border-radius:14px;background:linear-gradient(180deg,#1d3d6b,#0e2a4d);border:3px solid rgba(201,162,39,.6);overflow:hidden;display:grid;place-items:end center}
  .portrait .frame img{width:100%;height:100%;object-fit:cover}
  .badge{position:absolute;left:-20px;bottom:30px;background:#fff;color:var(--navy);border-radius:10px;padding:14px 20px;box-shadow:0 10px 30px rgba(0,0,0,.25);text-align:center}
  .badge b{display:block;font-size:34px;line-height:1;color:var(--navy)}
  .badge small{font-size:11px;font-weight:700;letter-spacing:.5px;color:var(--gold)}

  /* ===== DỊCH VỤ ===== */
  .services{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:46px}
  .svc{border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:.25s;background:#fff}
  .svc:hover{border-color:var(--gold);box-shadow:0 12px 30px rgba(11,37,69,.08);transform:translateY(-3px)}
  .svc .ic{width:52px;height:52px;border-radius:10px;background:var(--navy);color:var(--gold);display:grid;place-items:center;margin-bottom:16px}
  .svc h3{color:var(--navy);font-size:17px;margin-bottom:8px}
  .svc p{color:var(--muted);font-size:14px}

  /* ===== VÌ SAO CHỌN + FORM ===== */
  .why{background:var(--soft)}
  .why .wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
  .why h2{text-align:left}
  .why .bar{margin-left:0}
  .feat{display:flex;gap:18px;margin-top:28px}
  .feat .ic{flex:0 0 50px;height:50px;border-radius:8px;background:var(--gold);color:var(--navy);display:grid;place-items:center}
  .feat h3{color:var(--navy);font-size:17px}
  .feat p{color:var(--muted);font-size:14px}
  .form-card{background:#fff;border-radius:12px;padding:34px 30px;box-shadow:0 18px 50px rgba(11,37,69,.12);border-top:4px solid var(--gold)}
  .form-card h3{color:var(--navy);font-size:22px;font-weight:800;text-transform:uppercase;margin-bottom:6px}
  .form-card .note{color:var(--muted);font-size:13px;margin-bottom:20px}
  .form-card input,.form-card textarea{width:100%;border:1px solid var(--line);border-radius:6px;padding:13px 14px;font-family:inherit;font-size:14px;margin-bottom:12px;background:#fbfcfd}
  .form-card input:focus,.form-card textarea:focus{outline:2px solid var(--gold);border-color:transparent}
  .form-card textarea{min-height:110px;resize:vertical}
  .form-card .btn{width:100%}
  .form-msg{display:none;margin-top:12px;padding:12px;border-radius:6px;background:#eaf7ee;color:#1b6b34;font-size:14px}

  /* ===== QUY TRÌNH ===== */
  .steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:50px;position:relative}
  .steps::before{content:"";position:absolute;top:34px;left:10%;right:10%;height:2px;background:repeating-linear-gradient(90deg,var(--gold) 0 8px,transparent 8px 16px)}
  .step{text-align:center;position:relative}
  .step .ic{width:68px;height:68px;border-radius:50%;background:var(--navy);color:var(--gold);display:grid;place-items:center;margin:0 auto 16px;border:4px solid #fff;box-shadow:0 0 0 2px var(--gold)}
  .step h3{color:var(--navy);font-size:16px;margin-bottom:6px}
  .step p{color:var(--muted);font-size:13.5px}

  /* ===== ĐÁNH GIÁ ===== */
  .reviews{background:var(--soft)}
  .rv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:46px}
  .rv{background:#fff;border-radius:12px;padding:28px;box-shadow:0 6px 20px rgba(11,37,69,.06);display:flex;flex-direction:column}
  .rv .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
  .rv .q{font-size:46px;line-height:.6;color:var(--navy);font-family:Georgia,serif;font-weight:700}
  .rv .stars{color:var(--gold);letter-spacing:2px}
  .rv blockquote{color:var(--ink);font-size:14px;font-style:italic;flex:1}
  .rv .who{display:flex;align-items:center;gap:12px;margin-top:20px}
  .rv .av{width:44px;height:44px;border-radius:50%;background:var(--navy);color:var(--gold);display:grid;place-items:center;font-weight:800}
  .rv .who b{display:block;color:var(--navy);font-size:14px}
  .rv .who small{color:var(--muted);font-style:italic;font-size:12px}

  /* ===== FAQ ===== */
  .faq{max-width:860px;margin:46px auto 0}
  .faq details{background:var(--navy);color:#fff;border-radius:8px;margin-bottom:12px;overflow:hidden}
  .faq summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;display:flex;justify-content:space-between;gap:16px;font-size:15px}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary::after{content:"+";font-size:24px;line-height:1;color:var(--gold);transition:.2s}
  .faq details[open] summary::after{transform:rotate(45deg)}
  .faq .ans{background:#fff;color:var(--ink);padding:18px 22px;border:1px solid var(--line);border-top:0;border-radius:0 0 8px 8px;font-size:14.5px}

  /* ===== CTA CUỐI ===== */
  .cta-sec{background:linear-gradient(120deg,var(--navy),var(--navy-2))}
  .cta-sec .form-card{max-width:620px;margin:0 auto}
  .cta-sec .form-card h3{text-align:center}
  .cta-sec .form-card .note{text-align:center}

  /* ===== BẢN ĐỒ + FOOTER ===== */
  .map iframe{width:100%;height:360px;border:0;display:block}
  footer{background:#071a33;color:rgba(255,255,255,.8);padding:56px 0 24px;font-size:14px}
  .ft{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
  footer h4{color:#fff;font-size:16px;margin-bottom:16px;text-transform:uppercase}
  footer li{list-style:none;margin-bottom:10px;display:flex;gap:10px;align-items:flex-start}
  footer li svg{flex:0 0 18px;margin-top:2px;color:var(--gold)}
  footer a:hover{color:var(--gold)}
  .copy{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:20px;text-align:center;font-size:13px;color:rgba(255,255,255,.55)}

  /* ===== NÚT NỔI ZALO / GỌI ===== */
  .float{position:fixed;right:16px;bottom:20px;display:flex;flex-direction:column;gap:12px;z-index:60}
  .float a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 6px 18px rgba(0,0,0,.25);font-weight:800;font-size:13px}
  .float .zalo{background:#0068ff}
  .float .call{background:#22b14c;animation:ring 1.6s infinite}
  @keyframes ring{0%{box-shadow:0 0 0 0 rgba(34,177,76,.6)}70%{box-shadow:0 0 0 16px rgba(34,177,76,0)}100%{box-shadow:0 0 0 0 rgba(34,177,76,0)}}

  /* ===== MOBILE ===== */
  @media (max-width:960px){
    .menu{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;gap:0;box-shadow:0 10px 20px rgba(0,0,0,.08)}
    .menu.open{display:flex}
    .menu a{padding:14px 16px;border-top:1px solid var(--line)}
    .burger{display:block}
    .hotline span{display:none}
    .hero .wrap,.why .wrap{grid-template-columns:1fr}
    .portrait{max-width:300px}
    .badge{left:-10px}
    .services,.rv-grid{grid-template-columns:1fr 1fr}
    .steps{grid-template-columns:1fr 1fr}
    .steps::before{display:none}
    .ft{grid-template-columns:1fr}
  }
  @media (max-width:600px){
    .sec{padding:56px 0}
    .services,.rv-grid,.steps{grid-template-columns:1fr}
    .logo-text small{display:none}
    .form-card{padding:26px 18px}
  }

  /* ===== BỔ SUNG CHO BẢN FIRMEX ===== */
  .soft{background:var(--soft)}
  .reviews{background:transparent}
  .logo img{height:50px;width:auto}
  .logo-text b{font-size:14px}
  .logo-text small{letter-spacing:1.5px}
  .hero .slogan{margin-top:14px;color:var(--gold-2);font-style:italic;font-weight:600;font-size:16px}
  .hero p.lead{margin-top:14px}
  .badge{left:-24px;bottom:28px;text-align:left;max-width:260px;border-left:4px solid var(--gold)}
  .badge small{display:block;text-transform:uppercase;letter-spacing:1px}
  .badge b{font-size:17px;line-height:1.3;margin-top:2px}
  .portrait .frame{place-items:stretch}
  .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
  .form-card{position:relative}
  .form-msg.err{background:#fdecec;color:#9b1c1c}
  .btn[disabled]{opacity:.6;cursor:wait}
  .ft-logo{height:64px;width:auto;margin-bottom:14px}
  footer li{white-space:pre-line}
  body.loading [data-k],body.loading [data-img]{visibility:hidden}
  @media (max-width:960px){
    .badge{left:8px;right:8px;bottom:-18px;max-width:none}
    .portrait{margin-bottom:18px}
  }
  @media (max-width:600px){
    .logo img{height:40px}
    .logo-text b{font-size:12px}
  }