:root{
  --bg:#071226;
  --bg2:#0a1b33;
  --card:#0e2346;

  --text:#eaf2ff;
  --muted:#b7c7e6;
  --line:rgba(255,255,255,.10);

  --accent:#2ee6ff;
  --accent2:#7c5cff;

  --radius:18px;
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --container:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial;
  background:
    radial-gradient(1000px 600px at 10% 10%, rgba(46,230,255,.12), transparent 55%),
    radial-gradient(900px 550px at 85% 20%, rgba(124,92,255,.12), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  color:var(--text);
  line-height:1.55;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(100% - 32px, var(--container)); margin:0 auto}

/* =========================
   NAVBAR / HEADER
========================= */
.header{
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter: blur(10px);
  background: rgba(7,18,38,.55);
  border-bottom: 1px solid var(--line);
  transition: background .2s ease, box-shadow .2s ease;
}
.header.scrolled{
  background: rgba(7,18,38,.92);
  box-shadow: 0 10px 40px rgba(0,0,0,.35);
}

.header__wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
}

.logo{
  display:flex;
  gap:10px;
  align-items:center;
  font-weight:900;
  letter-spacing:.2px;
}
.logo__mark{
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  border-radius:14px;
  background: linear-gradient(135deg, rgba(46,230,255,.20), rgba(124,92,255,.22));
  border:1px solid var(--line);
}
.logo__text{font-weight:900}

.nav{
  display:flex;
  gap:16px;
  align-items:center;
  color:var(--muted);
}

.nav a:hover{color:var(--text)}
.nav a.active{
  color:var(--text);
  border-bottom:2px solid rgba(46,230,255,.65);
  padding-bottom:2px;
}

/* Burger */
.burger{
  display:none;
  width:44px;
  height:44px;
  border-radius:14px;
  background: transparent;
  border: 1px solid var(--line);
  cursor:pointer;
}
.burger span{
  display:block;
  height:2px;
  width:18px;
  margin: 5px auto;
  background: var(--text);
  border-radius: 2px;
}

/* =========================
   BUTTONS
========================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 16px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.14);
  background: linear-gradient(135deg, rgba(46,230,255,.20), rgba(124,92,255,.18));
  font-weight:900;
  transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease;
}
.btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 18px 44px rgba(0,0,0,.35);
}
.btn:active{transform: translateY(0px); opacity:.92}

.btn--ghost{background: transparent}
.btn--small{padding:10px 14px;border-radius:12px}

/* =========================
   SECTIONS / HERO
========================= */
.section{padding:68px 0}
.section--alt{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.03), transparent);
}

.section__head{margin-bottom:22px}
.section__head h2{
  margin:0 0 6px 0;
  font-size: clamp(1.6rem, 2vw, 2.1rem);
}
.section__head p{margin:0;color:var(--muted);max-width:72ch}

.hero{padding:58px 0 40px 0}
.hero__grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:22px;
  align-items:center;
}

.badge{
  display:inline-flex;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color:var(--muted);
  padding:6px 10px;
  border-radius:999px;
  font-size:.9rem;
}

h1{
  margin:14px 0 10px 0;
  font-size: clamp(2rem, 3.1vw, 3.1rem);
  line-height:1.08;
}

.subtitle{
  margin:0 0 16px 0;
  color:var(--muted);
  max-width:62ch;
}

.card{
  border:1px solid var(--line);
  background: rgba(14,35,70,.70);
  border-radius: calc(var(--radius) + 2px);
  padding:18px;
  box-shadow: var(--shadow);
}

/* =========================
   GRIDS / BOXES
========================= */
.grid{display:grid;gap:14px}
.grid--2{grid-template-columns: repeat(2, 1fr)}
.grid--3{grid-template-columns: repeat(3, 1fr)}

.box{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  padding:18px;
  transition: background .15s ease;
}
.box h3{margin:0 0 8px 0}
.box p{margin:0;color:var(--muted)}
.box:hover{background: rgba(255,255,255,.045)}

/* =========================
   CHECKLIST
========================= */
.checklist{list-style:none;padding-left:0;margin:0}
.checklist li{
  position:relative;
  padding-left:26px;
  margin-bottom:8px;
  color:var(--muted);
}
.checklist li::before{
  content:"✓";
  position:absolute;
  left:0;
  top:0;
  color: rgba(46,230,255,.95);
  font-weight:900;
}

/* =========================
   PORTFOLIO
========================= */
.work{
  border:1px solid var(--line);
  border-radius: var(--radius);
  overflow:hidden;
  background: rgba(255,255,255,.02);
  transition: transform .15s ease, box-shadow .15s ease;
}
.work:hover{transform: translateY(-2px); box-shadow: var(--shadow)}
.work img{width:100%;height:210px;object-fit:cover}
.work__info{padding:14px}
.work__info p{margin:4px 0 0 0;color:var(--muted)}
.pill{
  display:inline-flex;
  margin-top:10px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  font-size:.85rem;
}

/* =========================
   STEPS (METHODE)
========================= */
.steps{
  display:grid;
  grid-template-columns: repeat(4,1fr);
  gap:14px;
}
.step{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  padding:18px;
}
.step__num{
  display:inline-block;
  font-weight:900;
  color: rgba(46,230,255,.95);
  margin-bottom:6px;
}

/* =========================
   CONTACT
========================= */
.contact__grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:18px;
  align-items:start;
}

.info{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  padding:12px 14px;
}
.info__label{
  display:block;
  color: var(--muted);
  font-size:.9rem;
  margin-bottom:4px;
}

.form{
  border:1px solid var(--line);
  background: rgba(14,35,70,.70);
  border-radius: var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
}

.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
label{font-weight:900;font-size:.95rem}
input,select,textarea{
  background: rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius: 14px;
  padding:12px;
  color: var(--text);
  outline:none;
}
input:focus,select:focus,textarea:focus{
  border-color: rgba(46,230,255,.35);
}

.form__note{color: var(--muted); margin:10px 0 0 0; min-height:20px}

/* =========================
   FOOTER
========================= */
.footer{
  padding:26px 0;
  border-top:1px solid var(--line);
  color: var(--muted);
}
.footer__row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
}
.footer__links{display:flex;gap:12px}

/* =========================
   RESPONSIVE
========================= */
@media(max-width:980px){
  .hero__grid{grid-template-columns:1fr}
  .grid--2,.grid--3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .contact__grid{grid-template-columns:1fr}

  .nav{
    position:absolute;
    top:62px;
    left:16px;
    right:16px;
    display:none;
    flex-direction:column;
    padding:12px;
    border-radius: var(--radius);
    border:1px solid var(--line);
    background: rgba(7,18,38,.95);
  }
  .nav.is-open{display:flex}
  .burger{display:block}
}