:root{
  --accent:#ec5f4b;
  --secondary:#334155;
  --bg:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --border:#e5e7eb;
  --surface:#ffffff;
  --shadow:0 10px 30px rgba(2,6,23,.08), 0 2px 8px rgba(2,6,23,.06);
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b1220;
    --text:#e5e7eb;
    --muted:#94a3b8;
    --border:#1f2937;
    --surface:#0f172a;
    --shadow:0 10px 30px rgba(0,0,0,.35), 0 2px 8px rgba(0,0,0,.25);
  }
}

*{box-sizing:border-box}
html,body{padding:0;margin:0}
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, Apple Color Emoji, Segoe UI Emoji;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

.container{
  max-width:1100px;
  margin-inline:auto;
  /*padding: clamp(16px, 2.5vw, 28px);*/
}

#logo{
  border-radius: 18px;
}

.site-header{
  position:sticky; top:0; z-index:10;
  backdrop-filter:saturate(180%) blur(12px);
  background:color-mix(in srgb, var(--bg), transparent 10%);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
}
.brand{display:flex; gap:.75rem; align-items:center; text-decoration:none; color:inherit; font-weight:700}
.nav a{color:var(--muted); text-decoration:none; margin-left:1rem}
.nav a:hover{color:var(--text)}

#content{display:block}

.hidden{display:none !important}
.panel{} /* marker class; no styles required */

.hero{
  position:relative;
  overflow:hidden;
}
.hero-inner{
  padding-block: clamp(72px, 12vw, 140px);
  display:grid; gap:1.2rem;
}
.contact-panel{
  position:absolute;
  inset: 0;
  z-index: 5;
  display: grid;
  grid-auto-rows: min-content;
  align-content: start;
  background: color-mix(in srgb, var(--surface), transparent 0%);
  padding: clamp(16px, 3vw, 28px);
  overflow: auto;
  min-height: 100%;
}
.panel{ position: relative; }
.close-btn{
  position:absolute;
  top:10px; right:12px;
  background: transparent;
  border: none;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  color: var(--accent);
}
.form{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form label{display:flex; flex-direction:column; gap:.4rem}
.form label.full{grid-column: 1 / -1}
.form input[type="text"],
.form input[type="email"],
.form textarea{
  appearance:none;
  width:100%;
  padding:.8rem .9rem;
  border:1px solid var(--border);
  border-radius:12px;
  background:color-mix(in srgb, var(--surface), transparent 4%);
  color:var(--text);
}
.form textarea{resize:vertical}
.form .actions {
  grid-column: 1 / -1;
  display: flex;
  gap: .8rem;
  justify-content: flex-start;
}
.eyebrow{
  color:var(--muted);
  letter-spacing:.12em;
  text-transform:uppercase;
  font-size:.8rem;
}
.headline{
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing:-.02em;
  margin:0;
  background: linear-gradient(180deg, var(--text), color-mix(in srgb, var(--text), transparent 35%));
  -webkit-background-clip:text; background-clip:text;
  color:transparent;
}
.subhead{
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color:var(--muted);
  max-width: 65ch;
  margin: 0;
}
.cta-row{display:flex; gap:.8rem; align-items:center; margin-top:.5rem; flex-wrap:wrap}

.btn{
  appearance:none; cursor:pointer;
  display:inline-flex; align-items:center; justify-content:center;
  font-weight:700; text-decoration:none;
  padding:.85rem 1.1rem; border-radius:999px;
  box-shadow: var(--shadow);
  transition: transform .06s ease, filter .2s ease;
  border:1px solid color-mix(in srgb, var(--text), transparent 85%);
}
.btn:active{transform: translateY(1px)}
.btn-ghost{
  background:color-mix(in srgb, var(--surface), transparent 5%);
  color:var(--text);
}
.btn-accent{
  background:linear-gradient(160deg, var(--accent), color-mix(in srgb, var(--accent), white 10%));
  color:white;
  border-color: transparent;
}
.btn-accent:hover{filter:brightness(1.05)}

.hero-note{
  margin-top: clamp(24px, 4vw, 40px);
  display:flex; gap:1rem; align-items:center;
  background:color-mix(in srgb, var(--surface), white 4%);
  border:1px solid var(--border);
  padding: .9rem 1.1rem;
  border-radius: 16px;
  box-shadow: var(--shadow);
  max-width: 520px;
}

.features{
  padding-block: clamp(36px, 8vw, 80px);
}
.grid-3{
  display:grid; gap:1rem;
  grid-template-columns: repeat(1, minmax(0, 1fr));
}
@media (min-width: 720px){
  .grid-3{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.card{
  background: var(--surface);
  border:1px solid var(--border);
  border-radius: 18px;
  padding: 1.1rem 1.2rem;
  box-shadow: var(--shadow);
}
.card h3{margin-top:0; margin-bottom:.25rem}

.cta-banner{
  padding-block: clamp(36px, 8vw, 80px);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--accent), transparent 80%), transparent 90%),
    linear-gradient(0deg, color-mix(in srgb, var(--secondary), transparent 86%), transparent 92%);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.cta-banner-inner{
  display:flex; align-items:center; justify-content:space-between; gap:1rem; flex-wrap:wrap;
}
.cta-banner h2{margin:0; font-size: clamp(1.25rem, 3vw, 2rem)}

.page{padding-block: clamp(48px, 8vw, 96px)}
.narrow{max-width: 70ch}
.site-footer{
  border-top:1px solid var(--border);
  margin-top: 4rem;
}
.footer-inner{display:flex; align-items:center; justify-content:space-between; gap:1rem; flex-wrap:wrap}
.footer-inner p{margin:0}
.social a{color:var(--muted); text-decoration:none; margin-left:.75rem}
.social a:hover{color:var(--text)}