*{box-sizing:border-box}
body{
  margin:0;
  font-family:system-ui,Arial;
  color:#0f172a;
}

.container{max-width:1100px;margin:auto;padding:0 20px}

.header{background:#fff;border-bottom:1px solid #e5e7eb}
.header-flex{display:flex;justify-content:space-between;align-items:center;height:72px}

.logo{display:flex;align-items:center;gap:10px;font-weight:700}
.logo img{height:38px}

nav a{margin-left:22px;text-decoration:none;color:#0f172a;font-weight:600}

.hero{
  background:linear-gradient(135deg,#020617,#020617);
  color:#fff;
  text-align:center;
  padding:110px 0;
}

.hero h1{font-size:44px;line-height:1.15}
.hero h1 span{color:#38bdf8}

.hero-sub{color:#cbd5f5;margin:18px 0;font-size:18px}

.hero-media img{
  max-width:680px;
  width:100%;
  margin:30px auto;
  border-radius:16px;
  box-shadow:0 25px 60px rgba(0,0,0,.4);
}

.hero-cta{margin-top:30px}

.hero-trust{margin-top:22px;font-size:14px;color:#e5e7eb}

.section{padding:80px 0;text-align:center}
.gray{background:#f1f5f9}
.dark{background:#020617;color:#fff}

.grid-4,.grid-3,.grid-2{
  display:grid;
  gap:22px;
  margin-top:40px;
}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}

.box{padding:28px;border-radius:14px;font-weight:700}
.red{background:#fee2e2}
.green{background:#dcfce7}

.card{
  background:#fff;
  padding:30px;
  border-radius:18px;
  box-shadow:0 12px 30px rgba(0,0,0,.08);
  transition:.3s;
}
.card:hover{transform:translateY(-8px)}

.card img{height:48px;margin-bottom:12px}

.testimonial{
  background:#fff;
  padding:26px;
  border-radius:16px;
  box-shadow:0 12px 30px rgba(0,0,0,.08);
}
.testimonial span{display:block;margin-top:10px;color:#64748b;font-weight:600}

.btn{
  display:inline-block;
  padding:14px 30px;
  border-radius:30px;
  font-weight:700;
  text-decoration:none;
}
.primary{background:#38bdf8;color:#020617}
.outline{border:2px solid #38bdf8;color:#38bdf8;margin-left:10px}
.large{font-size:18px;padding:16px 38px}
.small{background:#38bdf8;color:#020617;padding:8px 16px}

.footer{
  padding:20px;
  text-align:center;
  font-size:14px;
  color:#64748b;
}

.fade-up{
  opacity:0;
  transform:translateY(30px);
  animation:fadeUp .9s ease forwards;
}

@keyframes fadeUp{
  to{opacity:1;transform:none}
}

@media(max-width:768px){
  .hero h1{font-size:32px}
}

/* HEADER */
.header-main {
  background: #fff;
  padding: 16px 0;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo a {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  color: #0f172a;
}
.logo img { height: 40px; }
.nav-main a {
  margin-left: 20px;
  text-decoration: none;
  color: #0f172a;
  font-weight: 600;
}
.btn.small {
  background: #38bdf8;
  color: #020617;
  padding: 8px 16px;
  border-radius: 20px;
}

/* Mobile nav */
.mobile-menu-icon {
  display: none;
  font-size: 24px;
}
.mobile-nav {
  display: none;
  flex-direction: column;
  background: #fff;
}
.mobile-nav a {
  padding: 10px 0;
  border-top: 1px solid #e5e7eb;
  text-decoration: none;
  color: #0f172a;
  font-weight: 600;
}

/* FOOTER */
.footer-main {
  background: #020617;
  color: #e5e7eb;
  padding: 50px 0 20px;
  margin-top: 50px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}
.footer-logo img { height: 50px; }
.footer-links a,
.footer-contact p {
  display: block;
  color: #cbd5f5;
  text-decoration: none;
  margin: 6px 0;
  font-size: 14px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  padding: 14px 0;
  font-size: 13px;
  color: #94a3b8;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-main { display: none; }
  .mobile-menu-icon { display: block; }
}