:root {
  --yellow:#f6b500;
  --purple:#6737c5;
  --blue:#6fb0ff;
  --gray:#f5f5f5;
  --dark:#1f1f1f;
}
*{box-sizing:border-box;margin:0;padding:0;font-family:'Montserrat',Arial,sans-serif;}
html{scroll-behavior:smooth;}
body{background:#fff;color:#272727;line-height:1.5;}
header{background:url('images/hero-reference.jpg') center/cover no-repeat;
  color:#fff;padding:90px 20px 120px;position:relative;}
header::before{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 20% 50%, rgba(246,181,0,0.1) 0%, transparent 50%);
  z-index:0;}
header::after{content:"";position:absolute;inset:0;
  background:linear-gradient(135deg, rgba(246,181,0,0.25) 0%, rgba(103,55,197,0.35) 100%),
              rgba(0,0,0,0.2);
  z-index:0;}
header .content{position:relative;z-index:1;max-width:960px;margin:auto;text-align:left;}
header h1{font-size:38px;margin-bottom:16px;}
header p{font-size:18px;margin-bottom:24px;}
.logo{display:inline-flex;align-items:center;gap:12px;margin-bottom:28px;}
.logo img{height:96px;}
.logo span{font-weight:600;font-size:18px;}
.cta{display:inline-flex;align-items:center;background:var(--yellow);color:#111;
  padding:14px 32px;border-radius:28px;font-weight:600;text-decoration:none;}
nav{background:#fff;box-shadow:0 6px 30px rgba(15,20,40,.08);position:sticky;top:0;z-index:4;}
nav .nav-inner{max-width:1100px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:8px 20px;}
.nav-logo-small{display:none;font-weight:700;font-size:18px;color:#333;}
.nav-toggle{display:none;width:32px;height:32px;border:none;background:transparent;align-items:center;justify-content:center;cursor:pointer;padding:0;}
.nav-toggle span{display:block;width:18px;height:2px;background:#333;position:relative;}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:#333;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
nav ul{display:flex;gap:8px;list-style:none;padding:8px 20px 16px;overflow:auto;align-items:center;justify-content:center;}
nav li{display:flex;}
nav a{color:#333;text-decoration:none;font-weight:500;padding:8px 16px;border-radius:20px;transition:background-color 0.3s ease;display:inline-block;}
nav a:hover{background-color:var(--yellow);color:#333;}
section{padding:70px 20px;}
.container{max-width:1100px;margin:auto;}
h2{font-size:32px;margin-bottom:24px;}
h3{font-size:20px;margin-bottom:8px;}
.highlight{color:var(--yellow);}
header .highlight{color:#fff;text-shadow:0 2px 8px rgba(0,0,0,0.3);}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;}
.card{padding:24px;border-radius:20px;background:var(--gray);box-shadow:0 5px 20px rgba(20,20,40,.07);}
.card.tech-new{
  background:linear-gradient(135deg,#fff7df 0%,#f1e8ff 100%);
  border:2px solid #e3d4ff;
}
.card.tech-new h3{color:var(--purple);}
#tech .tech-block{margin-top:20px;}
#tech .tech-block-new{
  margin-top:28px;
  padding-top:28px;
  border-top:2px dashed #d8c5ff;
}
#tech .tech-caption{
  font-size:14px;
  font-weight:600;
  color:#6737c5;
  margin-bottom:14px;
  text-transform:uppercase;
  letter-spacing:.04em;
}
.card .cta{margin-top:20px;}
.card.purple{background:var(--purple);color:#fff;}
.card.purple .cta{background:#fff;color:#111;}
.card.blue{background:var(--blue);color:#fff;}
.card.blue .cta{background:var(--dark);color:#fff;}
.slider{position:relative;overflow:hidden;border-radius:24px;background:#fff;box-shadow:0 30px 60px rgba(30,30,60,.15);min-height:340px;}
.slides{display:flex;transition:transform .6s ease;height:100%;}
.slide{flex:0 0 100%;padding:40px 40px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:30px;align-items:center;font-size:18px;}
.slide img{
  width:100%;
  height:clamp(220px, 32vw, 340px);
  object-fit:contain;
  object-position:center;
  border-radius:20px;
  background:#fff;
}
.slider-controls{display:flex;justify-content:space-between;padding:14px 24px;background:#fff;}
button{cursor:pointer;border:none;border-radius:30px;padding:12px 20px;font-weight:600;background:var(--yellow);}
button.secondary{background:transparent;border:1px solid #c7c7c7;color:#333;}
.problems-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px;}
.problem-card{background:#fff;border-radius:24px;padding:24px;box-shadow:0 10px 30px rgba(0,0,0,.1);display:flex;flex-direction:column;align-items:center;text-align:center;}
.problem-card img{width:100%;max-width:200px;height:150px;object-fit:cover;border-radius:16px;margin-bottom:16px;}
.problem-card p{font-size:16px;line-height:1.6;margin:0;}
#problems .problem-text{font-weight:700;color:#333;}
#problems .solution-text{font-weight:600;color:#666;}
#problems .problem-text + .solution-text{margin-top:10px;}
#about p + p{margin-top:16px;}
@media(max-width:1024px){
  .problems-grid{grid-template-columns:1fr;gap:20px;}
}
.timeline{position:relative;padding:40px 0;max-width:800px;margin:40px auto 0;}
.timeline::before{content:"";position:absolute;left:30px;top:0;bottom:0;width:3px;background:var(--purple);}
.step-item{position:relative;padding-left:80px;margin-bottom:40px;}
.step-icon{position:absolute;left:0;width:60px;height:60px;background:#fff;border:3px solid var(--purple);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;z-index:1;box-shadow:0 4px 12px rgba(0,0,0,.1);}
.step-card{background:#fff;border-radius:20px;padding:24px;box-shadow:0 8px 24px rgba(0,0,0,.1);}
.step-card h3{font-size:20px;margin-bottom:8px;color:var(--dark);}
.step-card h3 .highlight-step{color:var(--purple);}
.step-card p{font-size:16px;color:#666;line-height:1.6;margin:0;}
.routes{display:grid;gap:30px;}
.route-card{border-radius:24px;padding:24px;background:#fff;box-shadow:0 20px 45px rgba(15,10,60,.08);}
.route-card h4{margin-bottom:8px;font-size:20px;}
.faq-item{border-bottom:1px solid #e1e1e1;padding:16px 0;}
.faq-item summary{font-weight:600;cursor:pointer;}
.tabs{display:flex;gap:10px;margin-bottom:24px;}
.tab-btn{flex:1;text-align:center;padding:14px 0;border-radius:30px;font-weight:600;border:2px solid transparent;}
.tab-btn.active{background:var(--dark);color:#fff;}
#investors .cards{
  grid-template-columns:repeat(3,minmax(0,1fr));
  align-items:stretch;
  gap:24px;
}
#investors .card{height:100%;}
.partner-cta-wrap{margin-top:20px;display:flex;justify-content:center;}
.partner-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--yellow);
  color:#111;
  min-width:280px;
  padding:14px 28px;
  font-size:16px;
  font-weight:700;
  border-radius:28px;
  box-shadow:0 10px 24px rgba(246,181,0,.35);
  text-decoration:none;
}
#about .about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:32px;align-items:center;}
#about img.about-photo{width:100%;border-radius:20px;object-fit:cover;box-shadow:0 12px 30px rgba(0,0,0,0.15);}
.hidden{display:none;}
form.cards input,form.cards textarea{width:100%;border:none;outline:none;background:#fff;font-size:15px;}
form.cards input.card,form.cards textarea.card{box-shadow:0 5px 20px rgba(0,0,0,.08);}
#form form.cards{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:14px;
}
#form form.cards input.card{
  width:min(100%,360px);
  padding:12px 14px;
}
#form form.cards textarea.card{width:100%;}
#form form.cards button{
  width:min(100%,360px);
  padding:10px 18px;
  border-radius:22px;
  font-size:14px;
}
#form .form-note{margin-top:16px;}
#footer{background:#1f1f1f;color:#fff;padding:60px 20px;text-align:center;}
#footer .logo{justify-content:center;margin-bottom:20px;}
#footer .logo img{filter:brightness(0) invert(1);}
#footer .logo span{color:#fff;}
#footer .footer-copy{margin-bottom:20px;opacity:0.8;}
#footer .footer-links{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;}
#footer .footer-links a{color:var(--yellow);text-decoration:none;}
@media(max-width:640px){
  header h1{font-size:30px;}
  nav .nav-inner{padding-inline:16px;}
  .nav-logo-small{display:block;}
  .nav-toggle{display:inline-flex;}
  nav ul{
    display:none;
    flex-direction:column;
    align-items:flex-start;
    gap:4px;
    padding-inline:16px;
  }
  nav ul.nav-open{display:flex;}
  .slider{min-height:auto;}
  .slide{grid-template-columns:1fr;padding:24px;}
  .slider-controls{flex-direction:column;gap:12px;}
  #investors .cards{grid-template-columns:1fr;}
}