@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

/* ── RESET ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;}
body{
  background:var(--bg);
  color:var(--text);
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size:16px;
  line-height:1.6;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{cursor:pointer;font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;}

/* ── TOPBAR ── */
.topbar{
  background:var(--bg);
  border-bottom:1px solid var(--border);
  height:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 40px;
  font-size:12px;
  color:var(--muted);
  letter-spacing:0.3px;
  position:sticky;
  top:0;
  z-index:100;
}
.topbar a{color:var(--accent);font-weight:600;}
.topbar-right{display:flex;align-items:center;gap:20px;}

/* ── NAV ── */
nav{
  background:rgba(10,10,10,0.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 40px;
  position:sticky;
  top:40px;
  z-index:99;
}
.logo{display:flex;align-items:center;gap:12px;}
.logo img{width:36px;height:36px;border-radius:8px;object-fit:cover;}
.logo-text{}
.logo-name{
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size:15px;
  font-weight:700;
  color:var(--white);
  letter-spacing:-0.3px;
  display:block;
  line-height:1.2;
}
.logo-sub{
  font-size:10px;
  color:var(--muted);
  letter-spacing:1px;
  text-transform:uppercase;
  display:block;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:32px;
  font-size:13px;
  font-weight:500;
  color:var(--muted);
}
.nav-links a:hover{color:var(--white);}
.nav-cta{
  background:var(--accent);
  color:var(--bg);
  font-weight:700;
  font-size:13px;
  padding:10px 20px;
  border-radius:8px;
  letter-spacing:-0.2px;
  transition:all 0.15s;
}
.nav-cta:hover{background:var(--accent2);transform:translateY(-1px);}

/* ── BREADCRUMB ── */
.breadcrumb{
  padding:12px 40px;
  font-size:12px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
  border-bottom:1px solid var(--border);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{opacity:0.3;}

/* ── STEP HEADER ── */
.step-header{
  padding:64px 40px 32px;
  max-width:900px;
  margin:0 auto;
  text-align:center;
}
.step-header h1{
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size:clamp(32px,5vw,52px);
  font-weight:800;
  color:var(--white);
  letter-spacing:-1.5px;
  line-height:1.05;
  margin-bottom:12px;
}
.step-header p{
  font-size:16px;
  color:var(--muted);
  font-weight:300;
}

/* ── CARD GRID ── */
.card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(180px,1fr));
  gap:12px;
  padding:0 40px 80px;
  max-width:900px;
  margin:0 auto;
  justify-items:stretch;
}
.card-grid.narrow{
  grid-template-columns:repeat(auto-fill,minmax(150px,1fr));
  max-width:900px;
  margin:0 auto;
}

/* ── CRD (device/brand/model cards) ── */
.crd{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px 20px;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:16px;
  transition:all 0.2s var(--ease);
  cursor:pointer;
  position:relative;
  overflow:hidden;
}
.crd::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(139,92,246,0.05),transparent);
  opacity:0;
  transition:opacity 0.2s;
}
.crd:hover{
  border-color:var(--accent);
  transform:translateY(-3px);
  box-shadow:0 12px 40px rgba(0,0,0,0.4),0 0 0 1px rgba(139,92,246,0.2);
}
.crd:hover::before{opacity:1;}
.crd h3{
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size:15px;
  font-weight:700;
  color:var(--white);
  letter-spacing:-0.3px;
  line-height:1.2;
}
.crd p{
  font-size:12px;
  color:var(--muted);
  line-height:1.5;
}
.crd-icon{
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
}
.crd-icon svg{width:28px;height:28px;color:var(--muted);}
.crd:hover .crd-icon svg{color:var(--accent);}
.dev-link{
  font-size:12px;
  font-weight:600;
  color:var(--accent);
  letter-spacing:0.5px;
  margin-top:auto;
}

/* ── REPAIR GRID (repair types) ── */
.repair-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:12px;
  padding:0 40px 80px;
  max-width:900px;
  margin:0 auto;
}
.rcrd{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px 24px;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:12px;
  transition:all 0.2s var(--ease);
  cursor:pointer;
  position:relative;
}
.rcrd:hover{
  border-color:var(--accent);
  transform:translateY(-3px);
  box-shadow:0 12px 40px rgba(0,0,0,0.4);
}
.rcrd-icon svg{width:28px;height:28px;color:var(--muted);}
.rcrd:hover .rcrd-icon svg{color:var(--accent);}
.rcrd h3{
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size:15px;
  font-weight:700;
  color:var(--white);
  letter-spacing:-0.3px;
}
.rcrd p{font-size:12px;color:var(--muted);line-height:1.5;}

/* ── FOOTER ── */
footer{
  background:var(--bg);
  border-top:1px solid var(--border);
  margin-top:auto;
}
.footer-inner{
  max-width:1200px;
  margin:0 auto;
  padding:32px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
}
.footer-inner span{font-size:13px;color:var(--muted);}
.footer-inner a{font-size:13px;color:var(--muted);transition:color 0.15s;}
.footer-inner a:hover{color:var(--accent);}

/* ── PAGE MAIN (fill height) ── */
.page-main{flex:1;}

/* ── MOBILE ── */
@media(max-width:768px){
  .topbar{padding:0 20px;font-size:11px;}
  .topbar-right{display:none;}
  nav{padding:0 20px;top:40px;}
  .nav-links{display:none;}
  .step-header{padding:40px 20px 24px;}
  .card-grid,.repair-grid{padding:0 20px 64px;gap:10px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .repair-grid{grid-template-columns:repeat(2,1fr);}
  .footer-inner{padding:24px 20px;flex-direction:column;align-items:flex-start;gap:12px;}
  .breadcrumb{padding:10px 20px;}
}
@media(max-width:480px){
  nav{top:0;}
  .topbar{display:none;}
  .card-grid,.card-grid.narrow,.repair-grid{grid-template-columns:repeat(2,1fr)!important;}
  .step-header h1{font-size:26px;}
}
@media(max-width:360px){
  .card-grid,.card-grid.narrow,.repair-grid{grid-template-columns:1fr!important;}
}

/* Centre all grids */
.card-grid, .card-grid.narrow, .repair-grid, .rt-grid {
  margin-left: auto;
  margin-right: auto;
}