/* ====== Niemi Isolering – Baltic Mist (harmaan-sininen, lämmin) ====== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800&display=swap');

:root{
  --bg-top:#eef2f4;       /* vaalea harmaan sininen */
  --bg-bot:#d6dde1;       /* hieman tummempi alaosa */
  --panel:#ffffff;        /* korttien tausta */
  --card:#f8f9fa;
  --muted:#5b6b74;
  --brand:#4a7fa3;        /* syvä savunsininen */
  --brand-2:#6ea6b5;      /* korostussininen */
  --text:#1f2e35;
  --max:1100px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bot) 100%);
  color: var(--text);
  line-height: 1.6;
}

img{max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

/* ====== Header ====== */
.container{max-width:var(--max);margin:0 auto;padding:clamp(16px,2vw,24px)}
.site-header{
  background:rgba(255,255,255,.85);
  border-bottom:1px solid rgba(0,0,0,.05);
  box-shadow:0 2px 8px rgba(0,0,0,.05);
  backdrop-filter:blur(6px);
}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{font-weight:800;letter-spacing:.4px;color:var(--brand)}
nav a{margin-right:14px;padding:6px 8px;border-radius:8px;color:var(--text)}
nav a[aria-current="page"], nav a:hover{
  background:rgba(74,127,163,.12);
  text-decoration:none;
}

/* ====== Hero ====== */
.hero{padding-top:24px;padding-bottom:10px;text-align:left}
.hero h1{font-size:clamp(28px,3.6vw,44px);line-height:1.15;margin:0 0 10px;color:#273f4a}
.lead{color:var(--muted);max-width:60ch;margin:0 0 16px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}

/* ====== Buttons ====== */
.btn{
  display:inline-block;
  background:linear-gradient(90deg,var(--brand),#84b7c7);
  color:#fefefe;
  font-weight:700;
  padding:12px 16px;
  border-radius:12px;
  border:none;
  box-shadow:0 4px 12px rgba(74,127,163,.25);
  transition:filter .2s, transform .2s;
}
.btn:hover{filter:brightness(1.1);transform:translateY(-1px);}
.btn-outline{
  display:inline-block;
  background:transparent;
  border:1px solid var(--brand);
  padding:12px 16px;
  border-radius:12px;
  color:var(--brand);
}
.btn-outline:hover{background:rgba(74,127,163,.08);}

/* ====== Skārda apvalki -erikoisnappi ====== */
.skarda-btn {
  background:linear-gradient(135deg, #b0b8bd, #d9e1e4);
  color:#1f2e35;
  border:1px solid #9da7ac;
  border-radius:14px;
  font-weight:700;
  padding:12px 18px;
  box-shadow:0 4px 10px rgba(0,0,0,0.08);
  transition:all .25s ease;
}
.skarda-btn:hover {
  background:linear-gradient(135deg, #cfd6da, #f1f4f5);
  color:#203038;
  transform:translateY(-2px);
  box-shadow:0 6px 14px rgba(0,0,0,0.12);
}

/* ====== Grid & Cards ====== */
.grid-3{
  display:grid;gap:16px;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  margin-top:8px
}
.card,.panel{
  background:var(--panel);
  border:1px solid rgba(0,0,0,.06);
  border-radius:16px;padding:18px;
  box-shadow:0 6px 18px rgba(0,0,0,.05);
  transition:transform .2s, box-shadow .3s;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:0 10px 24px rgba(0,0,0,.10);
}
.card h3{margin-top:0;color:var(--brand)}

/* ====== Image blocks ====== */
.imgwrap{text-align:center;margin-top:1rem}
.pretty{
  max-width:90%;
  border-radius:1rem;
  box-shadow:0 6px 16px rgba(0,0,0,.10);
}
.imgcap{
  color:#50626c;
  font-style:italic;
  margin-top:.5rem;
}

/* ====== CTA / Banner ====== */
.cta-banner{
  margin:1.5rem auto 0;
  padding:1rem 1.25rem;
  background:#edf3f5;
  border:1px solid #cfdadd;
  border-radius:1rem;
  box-shadow:0 6px 16px rgba(0,0,0,.06);
}
.cta-banner p{margin:.35rem 0}
.cta-banner strong{color:var(--brand);font-weight:800}
.muted{color:var(--muted)}

/* ====== Footer ====== */
.site-footer{
  border-top:1px solid rgba(0,0,0,.08);
  background:linear-gradient(180deg,#e2e7ea 0%,#cfd6d9 100%);
  margin-top:32px;
  color:#2c3e44;
}
.divider{height:1px;background:#c4ccd0;margin:.75rem 0 1rem}
.footer-grid{display:grid;gap:12px;grid-template-columns:1fr 1fr}
@media (max-width:700px){.footer-grid{grid-template-columns:1fr}}
.small{font-size:.95rem;color:#3d4c52}