/* Light, minimal, gray-toned theme */
:root{
  --bg-0:#f3f5f8;   /* light gray */
  --bg-1:#fbfcfe;   /* almost white */
  --card:#ffffff;
  --text:#13161a;
  --muted:#5f6672;
  --accent:#858bb0; /* subtle blue-gray matching the logo */
  --ring:#d8dde6;
  --shadow: 0 10px 30px rgba(20, 25, 30, .08), 0 2px 10px rgba(20,25,30,.05);
}

*{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, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background: radial-gradient(1200px 800px at 10% -10%, #eef1f6 0%, transparent 60%),
              radial-gradient(900px 600px at 110% 0%, #e9edf4 0%, transparent 60%),
              linear-gradient(180deg, var(--bg-0), var(--bg-1));
  background-attachment: fixed;
}

.container{
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}

.hero{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:24px;
  margin: 32px 0 24px;
}

.logo{
  width:min(100%, 920px);
  height:auto;
  filter: drop-shadow(0 6px 24px rgba(0,0,0,.08));
}

.tagline{
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  line-height:1.65;
  color:var(--muted);
  max-width: 900px;
}

.contact{
  background: linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.9));
  border:1px solid var(--ring);
  border-radius:24px;
  padding:28px;
  box-shadow: var(--shadow);
  margin-top: 28px;
}

.contact h2{
  margin: 0 0 16px;
  font-weight: 650;
  letter-spacing:.02em;
}

.field{margin-bottom:14px}
label{
  display:block;
  margin: 0 0 8px;
  color: var(--muted);
  font-size:.95rem;
}
input, textarea{
  width:100%;
  padding:14px 14px;
  background: var(--card);
  border:1px solid var(--ring);
  color: var(--text);
  border-radius:14px;
  outline:none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus, textarea:focus{
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(133, 139, 176, .25);
}

.error{
  margin:6px 0 0;
  font-size:.85rem;
  color:#b30000;
  min-height:1em;
}

.btn{
  appearance:none;
  display:inline-block;
  padding:12px 18px;
  border-radius:14px;
  background: var(--accent);
  color:#ffffff;
  border: none;
  font-weight: 650;
  letter-spacing:.02em;
  cursor:pointer;
  transition: transform .06s ease, filter .2s ease;
}
.btn:active{ transform: translateY(1px) }
.btn:hover{ filter: brightness(1.08) }

.hint{ color:var(--muted); font-size:.85rem; margin-top:8px }

.noscript{ margin-top:16px; color:var(--muted) }

.footer{
  text-align:center;
  margin-top: 36px;
  color: var(--muted);
  font-size:.9rem;
}

.toast{
  position: fixed;
  left:50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: #ffffff;
  border: 1px solid var(--ring);
  padding: 12px 16px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  color: var(--text);
}