:root{
  --blue:#3b97e3; --blue-dark:#2378c2; --ink:#1f2933; --slate:#3d4852;
  --muted:#5f6b76; --bg:#ffffff; --soft:#f2f7fc; --line:#dde6ee;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
h1,h2,h3,h4{font-family:Montserrat,system-ui,sans-serif;line-height:1.2}
a{color:inherit}
img{max-width:100%}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}

/* header */
header{position:sticky;top:0;z-index:30;background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:80px;gap:16px}
.brand img{height:62px;width:auto;display:block}
.nav-links{display:flex;gap:26px;font-weight:500;font-size:15px;align-items:center}
.nav-links>a,.dd>a{text-decoration:none;color:var(--slate);padding:10px 0;display:block}
.nav-links a:hover{color:var(--blue)}
.dd{position:relative}
.dd-menu{display:none;position:absolute;top:100%;left:-16px;background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:8px;min-width:220px;box-shadow:0 12px 30px rgba(31,41,51,.12)}
.dd-menu a{display:block;padding:8px 12px;border-radius:6px;text-decoration:none;color:var(--slate)}
.dd-menu a:hover{background:var(--soft);color:var(--blue)}
.dd:hover .dd-menu,.dd:focus-within .dd-menu{display:block}
.mnav{display:none}
.btn{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;font-weight:600;
  padding:12px 22px;border-radius:8px;border:0;cursor:pointer;font-size:15px;font-family:inherit}
.btn:hover{background:var(--blue-dark)}
.btn.ghost{background:transparent;color:var(--blue);border:2px solid var(--blue)}
.btn.ghost:hover{background:var(--soft)}

/* hero */
.hero{background:linear-gradient(180deg,var(--soft),#fff);padding:72px 0 64px}
.hero.sub{padding:56px 0 48px}
.hero.small{padding:56px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{color:var(--blue);font-weight:600;font-size:14px;letter-spacing:.08em;text-transform:uppercase}
.hero h1{font-size:44px;margin:12px 0 16px}
.hero.sub h1{font-size:38px}
.lead{font-size:18px;color:var(--muted);max-width:560px}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-photo{aspect-ratio:4/5;max-height:540px;width:100%;object-fit:cover;object-position:center 35%;border-radius:16px;
  background:var(--soft);box-shadow:0 20px 40px rgba(31,41,51,.15)}

/* sections */
section{padding:72px 0}
section.tight{padding-top:0}
.section-head{max-width:640px;margin-bottom:40px}
.section-head h2{font-size:32px;margin:8px 0 12px}
.section-head p{color:var(--muted)}
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{border:1px solid var(--line);border-radius:12px;padding:26px;background:#fff;text-decoration:none;display:block;transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--blue);transform:translateY(-2px)}
.card.main{border-color:var(--blue);background:var(--soft)}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--muted);font-size:15px}
.card .more{display:inline-block;margin-top:12px;color:var(--blue);font-weight:600;font-size:14px}
.tag{display:inline-block;font-size:12px;font-weight:600;color:var(--blue);background:#fff;border:1px solid var(--blue);
  border-radius:999px;padding:2px 10px;margin-bottom:10px}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery figure{margin:0}
.gallery img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:10px;display:block}
.gallery figcaption{font-size:14px;color:var(--muted);margin-top:8px}
.why{background:var(--soft)}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.why-grid h3{font-size:18px;margin-bottom:6px}
.why-grid p{color:var(--muted);font-size:15px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:15px;color:var(--slate);text-decoration:none}
.chip:hover{border-color:var(--blue);color:var(--blue)}

/* article */
.article{max-width:760px}
.article h2{font-size:26px;margin:36px 0 12px}
.article h2:first-child{margin-top:0}
.article p{margin-bottom:14px;color:var(--slate);font-size:17px}
.article ul{margin:0 0 14px 22px;color:var(--slate);font-size:17px}
.article li{margin-bottom:6px}
.article a{color:var(--blue)}
.related{margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.related h3{font-size:18px;margin-bottom:12px}
.related .chip{color:var(--slate)}
.faq{border:1px solid var(--line);border-radius:10px;padding:18px 20px;margin-bottom:12px}
.faq summary{font-weight:600;cursor:pointer;font-size:17px}
.faq p{margin:10px 0 0}

/* contact */
.contact{background:var(--ink);color:#fff}
.contact h2{font-size:32px;margin:8px 0 12px}
.contact .sub{color:#c4ced8;margin-bottom:28px}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px}
.contact-info a{color:#fff;text-decoration:none;font-size:20px;font-weight:600;display:block;margin-bottom:6px;word-break:break-word}
.contact-info small{color:#9fb0bf;display:block;margin-bottom:22px}
form{background:#fff;color:var(--ink);border-radius:12px;padding:28px;display:grid;gap:14px}
label{font-size:14px;font-weight:600;display:grid;gap:6px}
input,select,textarea{font:inherit;padding:11px 12px;border:1px solid var(--line);border-radius:8px;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--blue);border-color:var(--blue)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hidden{display:none}

/* footer */
footer{padding:52px 0 0;font-size:15px;color:var(--muted);border-top:1px solid var(--line)}
.fgrid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:32px}
.fgrid h4{color:var(--ink);font-size:15px;margin-bottom:12px}
.fgrid a{display:block;text-decoration:none;margin-bottom:6px;word-break:break-word}
.fgrid a:hover{color:var(--blue)}
.flogo{height:70px;width:auto;margin-bottom:10px}
.fbottom{padding:28px 20px;margin-top:36px;border-top:1px solid var(--line);font-size:14px}
.callbar{display:none}

@media (max-width:900px){
  .nav-links,.nav-call{display:none}
  .nav{height:68px}
  .brand img{height:50px}
  .mnav{display:block;position:static}
  .mnav summary{list-style:none;cursor:pointer;font-weight:600;border:1px solid var(--line);border-radius:8px;padding:8px 14px}
  .mnav summary::-webkit-details-marker{display:none}
  .mnav-panel{position:absolute;left:0;right:0;top:68px;background:#fff;border-bottom:1px solid var(--line);
    padding:16px 20px 24px;max-height:calc(100vh - 68px);overflow:auto;box-shadow:0 12px 30px rgba(31,41,51,.12)}
  .mnav-panel strong{display:block;font-family:Montserrat;margin:14px 0 6px;color:var(--blue);font-size:13px;letter-spacing:.06em;text-transform:uppercase}
  .mnav-panel a{display:block;padding:8px 0;text-decoration:none;color:var(--slate)}
  .hero,.hero.sub{padding:40px 0}
  .hero-grid,.contact-grid{grid-template-columns:1fr;gap:28px}
  .hero h1,.hero.sub h1{font-size:30px}
  .hero-photo{max-height:420px}
  .services,.why-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .fgrid{grid-template-columns:1fr 1fr}
  section{padding:52px 0}
  .row{grid-template-columns:1fr}
  body{padding-bottom:64px}
  .callbar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:20;background:var(--blue)}
  .callbar a{flex:1;text-align:center;color:#fff;text-decoration:none;font-weight:600;padding:18px 0}
  .callbar a+a{border-left:1px solid rgba(255,255,255,.35)}
}