:root{
  --bg:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --line:#e5e7eb;
  --card:#ffffff;
  --alt:#f8fafc;
  --shadow: 0 10px 30px rgba(2,6,23,.06);
  --radius: 18px;
  --max: 1040px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
}

a{ color:inherit; }
.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 18px;
}

.site-header{
  border-bottom:1px solid var(--line);
  background: linear-gradient(180deg, #ffffff 0%, #ffffff 60%, #fbfdff 100%);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 18px 0;
  gap: 16px;
}
.brand{
  font-weight: 700;
  text-decoration:none;
  letter-spacing:.2px;
}

.nav-links{
  display:flex;
  gap: 18px;
  align-items:center;
}
.nav-links a{
  text-decoration:none;
  color: var(--muted);
}
.nav-links a:hover{ color: var(--text); }

.nav-toggle{
  display:none;
  background:transparent;
  border:1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
}
.nav-toggle span{
  display:block;
  width: 18px;
  height: 2px;
  background: var(--text);
  margin: 4px 0;
}

/* Hero */
.hero{
  display:grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 22px;
  padding: 42px 0 46px;
  align-items: start;
}
.eyebrow{
  color: var(--muted);
  margin:0 0 10px;
  font-size: .95rem;
}
h1{
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
}
.lead{
  margin:0;
  color: var(--muted);
  max-width: 65ch;
  font-size: 1.05rem;
}

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

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid #0f172a;
  background:#0f172a;
  color:#fff;
  text-decoration:none;
  cursor:pointer;
  box-shadow: var(--shadow);
}
.btn:hover{ transform: translateY(-1px); }
.btn.ghost{
  background: transparent;
  color: var(--text);
  border-color: var(--line);
  box-shadow: none;
}

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

.hero-card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-card-inner{ padding: 18px; }
.hero-card-title{
  margin: 0 0 10px;
  font-weight: 650;
  color: var(--muted);
  font-size: .95rem;
}
.pill{
  border: 1px solid var(--line);
  padding: 10px 12px;
  border-radius: 999px;
  margin: 10px 0;
  color: var(--text);
  background: #fff;
}
.divider{
  height:1px;
  background: var(--line);
  margin: 14px 0;
}

/* Sections */
.section{
  padding: 54px 0;
}
.section.alt{
  background: var(--alt);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap: 18px;
  margin-bottom: 18px;
}
.section h2{
  margin:0;
  font-size: 1.6rem;
  letter-spacing:-0.01em;
}
.muted{ color: var(--muted); }
.tiny{ font-size: .9rem; }

.grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 14px;
}
.card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.card h3{ margin: 0 0 8px; font-size: 1.12rem; }
.list{ margin: 12px 0 0; padding-left: 18px; color: var(--muted); }
.list li{ margin: 6px 0; }

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items:start;
}
.checks{
  display:flex;
  flex-direction:column;
  gap: 12px;
}
.check{
  display:flex;
  gap: 12px;
  align-items:flex-start;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.check-icon{
  width: 28px;
  height: 28px;
  border-radius: 10px;
  display:flex;
  align-items:center;
  justify-content:center;
  border: 1px solid var(--line);
}

/* Contact */
.contact{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items:start;
}
.contact-card{ box-shadow: var(--shadow); }
.contact-row{
  display:flex;
  justify-content:space-between;
  gap: 10px;
  padding: 8px 0;
}
.label{ color: var(--muted); }
.value{ text-decoration:none; }
.value:hover{ text-decoration: underline; }

.form{
  display:flex;
  flex-direction:column;
  gap: 12px;
}
label span{
  display:block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: .95rem;
}
input, textarea{
  width: 100%;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  font: inherit;
}
input:focus, textarea:focus{
  outline: 2px solid rgba(15,23,42,.15);
  border-color: rgba(15,23,42,.25);
}

/* Footer */
.footer{
  border-top:1px solid var(--line);
  padding: 22px 0;
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  gap: 10px;
}

/* Responsive nav + layout */
@media (max-width: 920px){
  .hero{ grid-template-columns: 1fr; }
  .grid{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .contact{ grid-template-columns: 1fr; }
  .section-head{ flex-direction:column; align-items:flex-start; }
}

@media (max-width: 720px){
  .nav-toggle{ display:inline-block; }
  .nav-links{
    display:none;
    position:absolute;
    right: 18px;
    top: 62px;
    background:#fff;
    border:1px solid var(--line);
    border-radius: 16px;
    padding: 10px;
    box-shadow: var(--shadow);
    flex-direction:column;
    align-items:flex-start;
    min-width: 180px;
    z-index: 9999;
  }
  .nav-links.show{ display:flex; }
}


/* ---------- Hienostunut elektronianimaatio ---------- */

.atom{
  --s: 90px;
  --orbit: rgba(15,23,42,.22);
  --nucleus: #0f172a;
  --electron: #2563eb;

  position:relative;
  width:var(--s);
  height:var(--s);
  margin:0 auto 22px;
  display:grid;
  place-items:center;
  animation: float 6s ease-in-out infinite;
}

.nucleus{
  position:absolute;
  width:14px;
  height:14px;
  border-radius:50%;
  background:var(--nucleus);
  box-shadow:0 0 0 6px rgba(15,23,42,.05);
}

.orbit{
  position:absolute;
  width:100%;
  height:100%;
  border:1px solid var(--orbit);
  border-radius:50%;
  transform-origin:50% 50%;
}

.orbit.one{ transform: rotate(18deg) scaleY(.72); }
.orbit.two{ transform: rotate(78deg) scaleY(.72); }
.orbit.three{ transform: rotate(138deg) scaleY(.72); }

.carrier{
  position:absolute;
  inset:0;
  animation: spin 8s linear infinite;
}

.orbit.two .carrier{
  animation-duration:10s;
  animation-direction:reverse;
}

.orbit.three .carrier{
  animation-duration:9s;
}

.electron{
  position:absolute;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--electron);
  box-shadow:0 0 0 6px rgba(37,99,235,.18);
}

.orbit.one .electron{
  top:0;
  left:50%;
  transform:translate(-50%, -50%);
}

.orbit.two .electron{
  top:50%;
  left:100%;
  transform:translate(-50%, -50%);
}

.orbit.three .electron{
  top:100%;
  left:50%;
  transform:translate(-50%, -50%);
}

@keyframes spin{
  from{ transform:rotate(0deg); }
  to{ transform:rotate(360deg); }
}

@keyframes float{
  0%,100%{ transform:translateY(0px); }
  50%{ transform:translateY(-6px); }
}

@media (prefers-reduced-motion: reduce){
  .atom, .carrier{ animation:none !important; }
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
}

.footer-right{
  display:flex;
  align-items:center;
  gap:10px;
}

.footer-link{
  text-decoration:none;
  color:var(--muted);
  font-size:.95rem;
}

.footer-link:hover{
  text-decoration:underline;
  color:var(--text);
}

.divider-dot{
  color:var(--line);
}