/* Svenska Prefabhus – modern, mobilvänlig one-page
   Struktur: /index.html + /assets/css/app.css + /assets/js/app.js
*/

:root{
  --bg: #0b1220;
  --bg2:#0a0f1a;
  --surface: rgba(255,255,255,0.06);
  --surface2: rgba(255,255,255,0.08);
  --line: rgba(255,255,255,0.12);
  --text: #eaf1ff;
  --muted:#b9c6e4;
  --brand:#39b8ff;
  --brand2:#79ffa7;
  --shadow: 0 18px 50px rgba(0,0,0,.38);
  --r: 18px;
  --wrap: 1160px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 15% -10%, rgba(57,184,255,.22), transparent 55%),
    radial-gradient(900px 600px at 90% 0%, rgba(121,255,167,.14), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  line-height:1.55;
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:underline; }

.wrap{
  width:min(var(--wrap), calc(100% - 32px));
  margin:0 auto;
}

.skip{
  position:absolute;
  left:-9999px;
  top:10px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(10,15,26,.92);
}
.skip:focus{ left:16px; z-index:999; }

/* Topbar */
.topbar{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(12px);
  background: rgba(10,15,26,.62);
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width: 240px;
}
.brand__mark{
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background:
    linear-gradient(135deg, rgba(57,184,255,.22), rgba(121,255,167,.18));
  box-shadow: var(--shadow);
  color: var(--text);
}
.brand__text{ display:grid; gap:2px; }
.brand__name{ font-weight:900; letter-spacing:-0.01em; }
.brand__tag{ color:var(--muted); font-size:13px; }

.nav{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.nav a{
  color:var(--muted);
  font-size:14px;
  padding:9px 10px;
  border-radius:12px;
}
.nav a:hover{
  color:var(--text);
  background: rgba(255,255,255,0.06);
  text-decoration:none;
}
.nav__cta{
  border:1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.05);
  color:var(--text) !important;
}

/* Mobile nav button */
.navbtn{
  display:none;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,0.05);
  border-radius: 14px;
  padding:10px 12px;
  color: var(--text);
}
.navbtn__bar{
  display:block;
  width:20px;
  height:2px;
  background: rgba(234,241,255,.85);
  margin:4px 0;
  border-radius: 2px;
}

/* Hero */
.hero{
  position:relative;
  padding: 56px 0 26px;
  overflow:hidden;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items:start;
}
.eyebrow{
  margin:0 0 10px;
  display:inline-flex;
  gap:10px;
  align-items:center;
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color: rgba(234,241,255,.78);
}
.eyebrow::before{
  content:"";
  width:18px;
  height:10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(57,184,255,.9), rgba(121,255,167,.9));
}
.hero h1{
  margin:0 0 12px;
  font-size: clamp(32px, 3.6vw, 52px);
  line-height:1.05;
  letter-spacing:-0.03em;
}
.lead{
  margin:0 0 18px;
  color:var(--muted);
  max-width: 62ch;
  font-size: 16px;
}

.ctaRow{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin: 14px 0 12px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 12px 14px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  font-weight:800;
  font-size:14px;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}
.btn:hover{ transform: translateY(-1px); text-decoration:none; }
.btn--primary{
  background: linear-gradient(135deg, rgba(57,184,255,.24), rgba(121,255,167,.18));
  border-color: rgba(57,184,255,.30);
}
.btn--ghost{
  background: rgba(255,255,255,0.03);
}

.pillRow{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-top: 10px;
}
.pill{
  font-size: 12px;
  color: rgba(234,241,255,.82);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.04);
}

.hero__panel{
  border-radius: var(--r);
  border: 1px solid rgba(255,255,255,0.14);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
  box-shadow: var(--shadow);
  padding: 18px;
}
.panelHead h2{
  margin:0 0 6px;
  font-size: 16px;
  letter-spacing: -0.01em;
}
.panelHead p{
  margin:0 0 14px;
  color:var(--muted);
  font-size: 14px;
}

.check{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap: 10px;
}
.check li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  color: var(--muted);
}
.check__dot{
  width: 18px;
  height: 18px;
  border-radius: 8px;
  margin-top: 1px;
  border:1px solid rgba(57,184,255,.28);
  background: rgba(57,184,255,.16);
  box-shadow: 0 10px 24px rgba(0,0,0,.25);
  flex: 0 0 auto;
}
.miniGrid{
  margin-top: 16px;
  padding-top: 14px;
  border-top:1px solid rgba(255,255,255,0.12);
  display:grid;
  gap: 10px;
}
.mini__k{
  font-size:12px;
  color: rgba(234,241,255,.72);
}
.mini__v{
  font-size:14px;
  font-weight:800;
  color: rgba(234,241,255,.92);
}

.hero__back{
  position:absolute;
  inset: 0;
  pointer-events:none;
  opacity: .65;
  mask-image: radial-gradient(closest-side at 20% 20%, black 40%, transparent 80%);
}
.gridline{
  position:absolute;
  left:-10%;
  right:-10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
}
.gridline:nth-child(1){ top: 20%; }
.gridline:nth-child(2){ top: 42%; }
.gridline:nth-child(3){ top: 64%; }
.gridline:nth-child(4){ top: 86%; }

/* Sections */
.section{ padding: 46px 0; }
.section--alt{
  background: rgba(255,255,255,0.03);
  border-top:1px solid rgba(255,255,255,0.08);
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.sectionHead{
  max-width: 78ch;
  margin-bottom: 18px;
}
.sectionHead h2{
  margin:0 0 10px;
  font-size: 28px;
  letter-spacing:-0.02em;
}
.sectionHead p{ margin:0; color:var(--muted); }

.cards{ display:grid; gap: 14px; }
.cards--2{ grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card{
  border-radius: var(--r);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  padding: 18px;
  box-shadow: 0 14px 32px rgba(0,0,0,.22);
}
.card h3{
  margin:0 0 8px;
  font-size: 16px;
}
.card p{ margin:0; color:var(--muted); }
.card--tight{ padding: 16px; }
.card--highlight{
  background: linear-gradient(135deg, rgba(57,184,255,.14), rgba(121,255,167,.10));
  border-color: rgba(57,184,255,.22);
}

.features{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.feature{
  border-radius: var(--r);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  padding: 16px;
}
.feature__icon{
  width: 36px;
  height: 36px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  margin-bottom: 10px;
  font-weight: 900;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.04);
  color: rgba(234,241,255,.88);
}
.feature h3{ margin:0 0 6px; font-size: 15px; }
.feature p{ margin:0; color:var(--muted); font-size: 14px; }

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-items:start;
}

.list{
  margin:0;
  padding-left: 18px;
  color: var(--muted);
  display:grid;
  gap: 8px;
}

.callout{
  margin-top: 12px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.04);
  color: rgba(234,241,255,.84);
}

/* Steps */
.steps{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap: 12px;
}
.step{
  display:flex;
  gap: 14px;
  border-radius: var(--r);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  padding: 16px;
}
.step__num{
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display:grid;
  place-items:center;
  font-weight: 900;
  letter-spacing: .08em;
  color: rgba(234,241,255,.92);
  border: 1px solid rgba(57,184,255,.22);
  background: rgba(57,184,255,.12);
  flex: 0 0 auto;
}
.step__body h3{ margin: 0 0 6px; font-size: 16px; }
.step__body p{ margin: 0; color: var(--muted); }

/* Contact */
.contact{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-items:start;
}
.contact__copy h2{ margin:0 0 10px; font-size: 28px; }
.contact__copy p{ margin:0 0 14px; color:var(--muted); }

.infoBox{
  border-radius: var(--r);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  padding: 14px;
  display:grid;
  gap: 10px;
}
.infoBox__row{
  display:grid;
  grid-template-columns: 120px 1fr;
  gap: 10px;
  align-items:start;
}
.infoBox__k{ color: rgba(234,241,255,.70); font-size: 12px; text-transform: uppercase; letter-spacing:.12em; }
.infoBox__v{ color: rgba(234,241,255,.90); font-weight: 700; }

.form{
  border-radius: var(--r);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  padding: 18px;
  box-shadow: 0 14px 32px rgba(0,0,0,.22);
}
.field{ display:grid; gap: 6px; margin-bottom: 12px; }
label{ font-size: 13px; color: rgba(234,241,255,.72); }
input, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(10,15,26,.65);
  color: var(--text);
  outline: none;
}
input:focus, textarea:focus{
  border-color: rgba(57,184,255,.35);
  box-shadow: 0 0 0 4px rgba(57,184,255,.12);
}
.fineprint{ margin: 10px 0 0; font-size: 12px; color: rgba(234,241,255,.62); }

/* Footer */
.footer{
  border-top: 1px solid rgba(255,255,255,0.10);
  background: rgba(10,15,26,.55);
  padding: 22px 0;
}
.footer__inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 12px;
  flex-wrap:wrap;
}
.footer__brand{ font-weight: 900; letter-spacing:-0.01em; }
.footer__meta{ color: var(--muted); font-size: 13px; }

/* Responsive */
@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .features{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .cards--2{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .contact{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .navbtn{ display:inline-flex; align-items:center; justify-content:center; }
  .nav{
    display:none;
    position:absolute;
    right: 16px;
    top: 64px;
    width: calc(100% - 32px);
    background: rgba(10,15,26,.92);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 16px;
    padding: 10px;
    box-shadow: var(--shadow);
  }
  .nav.is-open{ display:flex; flex-direction:column; align-items:stretch; }
  .nav a{ padding: 12px 12px; }
}

@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior: auto !important; transition: none !important; }
}