:root{
  --bg:#f6f8fb; --card:#ffffff; --muted:#6b7280;
  --brand-1:#062b4f; --brand-2:#0d4270; --accent:#ffb703;
  --radius:14px; --max:1200px;
  --shadow: 0 10px 28px rgba(11,22,40,0.08);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica Neue, Arial, sans-serif;
}

/* Reset & layout */
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:#0b1825}
.wrap{width:92%;max-width:var(--max);margin:0 auto}

/* Header / Nav */
.site-header{background:linear-gradient(90deg,var(--brand-1),var(--brand-2));color:#fff;position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:white}
.brand-title{font-weight:800;font-size:18px}
.brand-sub{font-size:13px;color:rgba(255,255,255,0.9)}
.top-nav a{color:rgba(255,255,255,0.95);text-decoration:none;margin-left:22px;font-weight:600}
.top-nav a:hover{opacity:.85}
.btn{display:inline-block;border-radius:999px;padding:12px 18px;font-weight:700;text-decoration:none}
.btn.primary{background:var(--accent);color:#0b1825}
.btn.ghost{border:2px solid rgba(255,255,255,0.7);color:#fff}

/* Hero */
.hero{padding:48px 0}
.hero-grid{display:grid;gap:28px;grid-template-columns:1.2fr .8fr}
.hero h1{font-size:36px;margin:0 0 10px}
.hero p{color:var(--muted);margin:0 0 18px}
.hero-ctas{display:flex;gap:12px;margin:18px 0 10px}
.hero-features{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:6px}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow)}

/* Decorative mini “dashboard” card */
.dash{padding:16px}
.dash-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.dash-title{font-weight:800}
.viz-row{display:flex;gap:8px;align-items:flex-end;height:120px}
.viz-bar{flex:1;background:linear-gradient(180deg,#5fa8ff,#b3d4ff);border-radius:8px}

/* Sections */
section{padding:56px 0}
.section-sub{color:var(--muted);max-width:820px}

/* Services */
.services-grid{display:grid;gap:18px;grid-template-columns:repeat(4,1fr)}
.service-card{padding:18px}
.service-card h3{margin:8px 0 8px}
.service-card p{color:var(--muted);margin:0}
.service-icon{width:38px;height:38px}

/* Portfolio */
.port-row{display:grid;gap:24px;grid-template-columns:1.1fr .9fr}
.port-video{position:relative;padding-top:56.25%;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#000}
.port-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.port-grid{display:grid;gap:16px;grid-template-columns:1fr 1fr}
.port-grid img{width:100%;height:260px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}

/* Testimonials */
.testimonials{display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}
.testi-card{padding:18px}
.testi-name{font-weight:700;margin-top:8px}

/* Contact */
.contact-grid{display:grid;gap:24px;grid-template-columns:1fr 1fr}
.input,.textarea{width:100%;padding:12px 14px;border-radius:12px;border:1.5px solid #d7dbe5;background:#fff;font:inherit}
.textarea{min-height:150px;resize:vertical}
.input:focus,.textarea:focus{outline:2px solid #cfe2ff;border-color:#8fb6ff}
.input-error{animation:shake .2s 2; border-color:#ff6b6b !important}
@keyframes shake{0%{transform:translateX(0)}25%{transform:translateX(-3px)}50%{transform:translateX(3px)}100%{transform:translateX(0)}}

/* Footer */
.site-footer{background:#0f2137;color:#ced6e0}
.footer-inner{display:flex;justify-content:space-between;align-items:center;padding:22px 0}
.small{font-size:12px}.muted{color:var(--muted)}

/* Responsive */
@media(max-width:1024px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr}
  .port-row{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .testimonials{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .services-grid{grid-template-columns:1fr}
  .testimonials{grid-template-columns:1fr}
}