:root{
  --blue:#2f6fed;
  --blue-dark:#1a4fd1;
  --blue-light:#eaf1ff;
  --red:#ef4444;
  --yellow:#f5b400;
  --green:#16a34a;
  --purple:#8b5cf6;
  --ink:#0f172a;
  --gray:#5b6472;
  --gray-soft:#8a93a3;
  --bg:#ffffff;
  --bg-soft:#f6f8fb;
  --border:#e7ebf1;
  --shadow: 0 20px 45px -20px rgba(15,23,42,.18);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
}
h1,h2,h3,h4{font-family:'Poppins',sans-serif;line-height:1.25}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--blue);background:var(--blue-light);
  padding:7px 16px;border-radius:99px;margin-bottom:18px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:16px 30px;border-radius:14px;font-weight:700;font-size:15.5px;
  border:none;cursor:pointer;transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--blue-dark));
  color:#fff;box-shadow:0 14px 30px -10px rgba(47,111,237,.55);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 38px -12px rgba(47,111,237,.65)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--border)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-3px)}

/* ---------- header ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.85);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  box-shadow:0 8px 30px -22px rgba(15,23,42,.4);
}
nav.container{display:flex;align-items:center;justify-content:space-between;height:82px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;font-family:'Poppins',sans-serif}
.nav-links{display:flex;gap:34px;align-items:center}
.nav-links a{font-weight:600;font-size:14.5px;color:var(--gray);transition:color .2s}
.nav-links a:hover{color:var(--blue)}
.nav-cta{display:flex;align-items:center;gap:14px}
.burger{
  display:none;background:none;border:1.5px solid var(--border);border-radius:10px;
  width:44px;height:44px;align-items:center;justify-content:center;font-size:20px;
  color:var(--ink);cursor:pointer;flex-shrink:0;
}
.mobile-menu{
  display:none;flex-direction:column;background:#fff;
  border-top:1px solid var(--border);padding:8px 24px 16px;
}
.mobile-menu.open{display:flex}
.mobile-menu a{
  padding:14px 2px;font-weight:600;font-size:15.5px;color:var(--ink);
  border-bottom:1px solid var(--border);
}
.mobile-menu a:last-child{border-bottom:none}

/* ---------- breadcrumb ---------- */
.breadcrumb{font-size:13px;color:var(--gray-soft);font-weight:600;margin-bottom:18px;display:flex;gap:8px;flex-wrap:wrap}
.breadcrumb a{color:var(--blue)}
.breadcrumb a:hover{text-decoration:underline}

/* ---------- article hero ---------- */
.post-hero{padding:150px 0 40px}
.post-hero .cat-tag{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  color:var(--purple);background:#f2edfe;padding:6px 14px;border-radius:99px;margin-bottom:16px;
}
.post-hero h1{font-size:38px;font-weight:800;letter-spacing:-.01em;max-width:820px}
.post-meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:20px;font-size:13.5px;color:var(--gray-soft);font-weight:600}
.post-cover{margin-top:32px;border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
.post-cover img{width:100%;object-fit:cover;max-height:440px}

/* ---------- article body ---------- */
.post-body{padding:50px 0 90px}
.post-content{max-width:760px;margin:0 auto}
.post-content h2{font-size:26px;margin:40px 0 16px;font-weight:800}
.post-content h3{font-size:20px;margin:32px 0 12px;font-weight:700}
.post-content p{margin-bottom:18px;color:var(--ink);font-size:16px}
.post-content strong{color:var(--ink)}
.post-content ul{margin:0 0 18px 0}
.post-content li{position:relative;padding-left:22px;margin-bottom:8px;color:var(--ink)}
.post-content li::before{content:'';position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;background:var(--blue)}
.post-content img{border-radius:18px;margin:26px 0;box-shadow:var(--shadow)}
.post-content a{color:var(--blue);font-weight:600;text-decoration:underline}
.post-cta{
  max-width:760px;margin:50px auto 0;padding:36px;border-radius:22px;text-align:center;
  background:linear-gradient(135deg,var(--blue),var(--blue-dark) 55%,var(--purple));color:#fff;
}
.post-cta h3{font-size:22px;margin-bottom:10px}
.post-cta p{margin-bottom:22px;opacity:.9}
.back-link{max-width:760px;margin:0 auto 30px;display:block}
.back-link a{font-weight:700;font-size:14px;color:var(--blue)}

/* ---------- blog index ---------- */
.blog-hero{padding:150px 0 60px;text-align:center}
.blog-hero h1{font-size:40px;font-weight:800;max-width:700px;margin:0 auto}
.blog-hero p{margin-top:16px;color:var(--gray);max-width:600px;margin-inline:auto;font-size:16.5px}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;padding-bottom:100px}
.blog-card{
  background:#fff;border:1px solid var(--border);border-radius:20px;overflow:hidden;
  transition:transform .3s ease, box-shadow .3s ease;display:flex;flex-direction:column;
}
.blog-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.blog-card .thumb{height:180px;overflow:hidden;background:var(--bg-soft)}
.blog-card .thumb img{width:100%;height:100%;object-fit:cover}
.blog-card .body{padding:22px 22px 26px;display:flex;flex-direction:column;flex:1}
.blog-card .cat{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--purple);margin-bottom:10px}
.blog-card h3{font-size:17.5px;font-weight:700;margin-bottom:10px}
.blog-card p{font-size:14px;color:var(--gray);flex:1;margin-bottom:14px}
.blog-card .date{font-size:12.5px;color:var(--gray-soft);font-weight:600}

/* ---------- footer ---------- */
footer{background:var(--ink);color:#94a3c4;padding:60px 0 30px;margin-top:0}
.foot-top{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:30px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.foot-links{display:flex;gap:60px;flex-wrap:wrap}
.foot-links h5{color:#fff;font-size:14px;margin-bottom:14px}
.foot-links a{display:block;font-size:13.5px;margin-bottom:10px;color:#94a3c4;transition:color .2s}
.foot-links a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;font-size:12.5px;flex-wrap:wrap;gap:12px}

.float-wa{
  position:fixed;bottom:26px;right:26px;z-index:90;
  width:62px;height:62px;border-radius:50%;background:#25D366;
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:28px;
  box-shadow:0 16px 30px -10px rgba(37,211,102,.6);
}

/* ---------- service pages ---------- */
.service-hero{padding:150px 0 60px;text-align:center}
.service-hero .eyebrow{margin-bottom:18px}
.service-hero h1{font-size:42px;font-weight:800;max-width:760px;margin:0 auto;letter-spacing:-.01em}
.service-hero p.lead{margin-top:18px;color:var(--gray);max-width:620px;margin-inline:auto;font-size:17px}
.service-hero .hero-ctas{display:flex;gap:16px;justify-content:center;margin-top:32px;flex-wrap:wrap}

.section-pad{padding:80px 0}
.bg-soft{background:var(--bg-soft)}
.sec-head{max-width:640px;margin:0 auto 46px;text-align:center}
.sec-head h2{font-size:30px;font-weight:800;letter-spacing:-.01em}
.sec-head p{margin-top:12px;color:var(--gray);font-size:16px}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  background:#fff;border:1px solid var(--border);border-radius:20px;padding:28px 26px;
  transition:transform .3s ease, box-shadow .3s ease;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.feature-card .ic{
  width:50px;height:50px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  font-size:21px;margin-bottom:16px;color:#fff;background:var(--blue);
}
.feature-card h4{font-size:17.5px;font-weight:700;margin-bottom:8px}
.feature-card p{font-size:14px;color:var(--gray)}

.process-mini{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.process-mini::before{
  content:'';position:absolute;top:26px;left:12%;right:12%;height:2px;
  background:repeating-linear-gradient(90deg,var(--border) 0 10px, transparent 10px 20px);z-index:0;
}
.p-step{position:relative;z-index:1;text-align:center}
.p-step .num{
  width:52px;height:52px;border-radius:50%;margin:0 auto 14px;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--purple));box-shadow:0 12px 22px -10px rgba(47,111,237,.55);
}
.p-step h4{font-size:15.5px;font-weight:700;margin-bottom:6px}
.p-step p{font-size:13px;color:var(--gray)}

.quote-block{
  max-width:720px;margin:0 auto;background:#fff;border:1px solid var(--border);border-radius:22px;
  padding:34px;position:relative;text-align:center;
}
.quote-block .txt{font-size:16.5px;font-style:italic;color:var(--ink);margin-bottom:20px}
.quote-block .author{display:flex;align-items:center;justify-content:center;gap:12px}
.quote-block .av{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}
.quote-block b{display:block;font-size:14.5px}
.quote-block span{font-size:12.5px;color:var(--gray-soft)}

.faq{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:22px 4px;font-size:16px;font-weight:600;display:flex;justify-content:space-between;align-items:center;
  color:var(--ink);font-family:'Inter',sans-serif;
}
.faq-q .plus{font-size:20px;color:var(--blue);transition:transform .3s ease;flex-shrink:0;margin-left:14px}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 4px 22px;color:var(--gray);font-size:14.5px;max-width:680px}

.svc-index-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-bottom:100px}
.svc-index-card{
  background:#fff;border:1px solid var(--border);border-radius:20px;padding:30px 28px;
  transition:transform .3s ease, box-shadow .3s ease;position:relative;display:block;
}
.svc-index-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.svc-index-card .ic{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:18px;color:#fff;background:var(--blue);
}
.svc-index-card h4{font-size:19px;font-weight:700;margin-bottom:8px}
.svc-index-card p{font-size:14px;color:var(--gray)}

@media(max-width:980px){
  .nav-links{display:none}
  .burger{display:inline-flex}
  .post-hero h1{font-size:30px}
  .blog-grid{grid-template-columns:1fr 1fr}
  .feature-grid{grid-template-columns:1fr 1fr}
  .process-mini{grid-template-columns:1fr 1fr;row-gap:32px}
  .process-mini::before{display:none}
  .svc-index-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .blog-grid{grid-template-columns:1fr}
  .post-hero{padding:130px 0 30px}
  .service-hero{padding:130px 0 40px}
  .service-hero h1{font-size:30px}
  .feature-grid{grid-template-columns:1fr}
  .process-mini{grid-template-columns:1fr 1fr}
  .svc-index-grid{grid-template-columns:1fr}
}