/* TechBreaker Landing Page - Clean, responsive, SEO-friendly */
/* No external libraries required */

:root{
  --bg: #0b1220;
  --panel: #0f1a2e;
  --panel2: #0d172a;
  --text: #e9eefc;
  --muted: #b7c2e6;
  --line: rgba(255,255,255,0.10);
  --accent: #6ea8fe;
  --accent2: #7ee787;
  --shadow: 0 16px 40px rgba(0,0,0,0.35);
  --radius: 16px;
  --container: 1120px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 20% -20%, rgba(110,168,254,0.25), transparent 60%),
              radial-gradient(900px 700px at 110% 10%, rgba(126,231,135,0.18), transparent 55%),
              var(--bg);
  color:var(--text);
  line-height:1.55;
}

a{ color:var(--text); text-decoration:none; }
a:hover{ text-decoration:underline; }

.container{
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,0.75);
  border-bottom: 1px solid var(--line);
}

.header-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding: 14px 0;
  gap: 16px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 700;
}

.brand-mark{
  width: 34px;
  height: 34px;
  display:grid;
  place-items:center;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(110,168,254,0.95), rgba(126,231,135,0.85));
  color: #07101f;
  font-weight: 900;
}

.brand-name{ letter-spacing:0.2px; }

.nav{
  display:flex;
  align-items:center;
  gap: 16px;
  flex-wrap:wrap;
  justify-content:flex-end;
}

.nav a{
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
}
.nav a:hover{ color: var(--text); }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 12px 16px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(110,168,254,0.95), rgba(110,168,254,0.70));
  border: 1px solid rgba(110,168,254,0.35);
  box-shadow: var(--shadow);
  font-weight: 800;
  letter-spacing: 0.2px;
}

.btn:hover{ text-decoration:none; filter: brightness(1.05); }
.btn:active{ transform: translateY(1px); }

.btn-small{
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 14px;
}

.btn-ghost{
  background: transparent;
  border: 1px solid var(--line);
  box-shadow:none;
  color: var(--text);
}

.hero{
  padding: 48px 0 18px;
}

.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: stretch;
}

.eyebrow{
  display:inline-block;
  color: var(--muted);
  font-weight: 800;
  letter-spacing: 0.5px;
  font-size: 13px;
  margin: 0 0 10px 0;
}

.hero h1{
  font-size: clamp(30px, 3.2vw, 44px);
  line-height: 1.12;
  margin: 0 0 12px;
  letter-spacing: -0.4px;
}

.subhead{
  color: var(--muted);
  font-size: 16px;
  margin: 0 0 18px;
}

.hero-cta{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.hero-highlights{
  list-style:none;
  padding:0;
  margin: 0 0 22px;
  display:flex;
  gap: 14px;
  flex-wrap:wrap;
}
.hero-highlights li{
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
}
.hero-highlights strong{ color: var(--text); }

.trust{
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.trust-title{
  margin:0 0 10px;
  font-weight: 800;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.4px;
}
.trust-logos{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
}
.trust-logos span{
  font-size: 13px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 10px;
  background: rgba(255,255,255,0.03);
}

.hero-card{
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(15,26,46,0.95), rgba(13,23,42,0.95));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.hero-card-inner{
  padding: 18px;
}
.card-title{
  margin:0 0 12px;
  font-weight: 900;
  letter-spacing: 0.2px;
}
.card-note{
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.mock-row{
  display:flex;
  gap: 8px;
  flex-wrap:wrap;
  margin-bottom: 12px;
}
.pill{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  color: var(--muted);
}
.mock-box{
  height: 280px;
  border-radius: 14px;
  border: 1px dashed rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.02);
}
.mock-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 12px;
}
.mock-mini{
  height: 70px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.03);
}

.section{
  padding: 44px 0;
}

.section-alt{
  background: rgba(255,255,255,0.02);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-title{
  margin-bottom: 18px;
}
.section-title h2{
  margin: 0 0 8px;
  font-size: clamp(22px, 2.1vw, 30px);
  letter-spacing: -0.2px;
}
.section-title p{
  margin:0;
  color: var(--muted);
  max-width: 860px;
}

.cards-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.cards-2{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.card{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(15,26,46,0.70);
  padding: 18px;
}
.card h3{
  margin: 0 0 8px;
  font-size: 18px;
}
.card p{
  margin: 0;
  color: var(--muted);
}

.feature-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.feature{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(15,26,46,0.55);
  padding: 18px;
}
.feature h3{ margin:0 0 8px; }
.feature p{ margin:0; color: var(--muted); }

.steps{
  margin: 18px 0 0;
  padding-left: 18px;
  display:grid;
  gap: 12px;
}
.steps li{
  border: 1px solid var(--line);
  background: rgba(15,26,46,0.55);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.steps h3{ margin:0 0 6px; }
.steps p{ margin:0; color: var(--muted); }

.checklist{
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.checklist li{ margin: 6px 0; }

.faq{
  margin-top: 18px;
  display:grid;
  gap: 10px;
}
details{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(15,26,46,0.55);
  padding: 14px 16px;
}
summary{
  cursor:pointer;
  font-weight: 800;
}
details p{
  margin: 10px 0 0;
  color: var(--muted);
}

.cta{
  padding: 46px 0;
  background: radial-gradient(900px 500px at 20% 0%, rgba(110,168,254,0.18), transparent 55%),
              radial-gradient(900px 500px at 85% 20%, rgba(126,231,135,0.14), transparent 55%);
  border-top: 1px solid var(--line);
}
.cta-inner{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 14px;
  align-items: start;
}
.cta h2{ margin:0 0 8px; }
.cta p{ margin:0; color: var(--muted); }

.contact-card{
  border: 1px solid var(--line);
  background: rgba(15,26,46,0.70);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.contact-title{
  margin:0 0 10px;
  font-weight: 900;
}
.contact-note{
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.site-footer{
  border-top: 1px solid var(--line);
  padding: 18px 0;
  color: var(--muted);
  font-size: 14px;
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-links{
  display:flex;
  align-items:center;
  gap: 10px;
}

/* Responsive */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .feature-grid{ grid-template-columns: 1fr; }
  .cards-3{ grid-template-columns: 1fr; }
  .cards-2{ grid-template-columns: 1fr; }
  .cta-inner{ grid-template-columns: 1fr; }
  .nav{ display:none; } /* optional: hide nav on small screens */
}