:root{
  --bg: #ffffff;
  --fg: #0f172a;         /* slate-900 */
  --muted: #475569;      /* slate-600 */
  --line: #e2e8f0;       /* slate-200 */
  --soft: #f8fafc;       /* slate-50 */
  --card: #ffffff;

  --accent: #0f766e;     /* teal-700 */
  --accent-2: #115e59;   /* teal-800 */

  --max: 1080px;
  --radius: 16px;
  --shadow: 0 10px 25px rgba(2,6,23,.06);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.5;
}

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; text-underline-offset: 3px; }

.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Topbar */
.topbar{
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.topbar-inner{
  height: 64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.mark{
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(15,118,110,.12);
}

.nav{
  list-style:none;
  display:flex;
  align-items:center;
  gap: 14px;
  margin: 0;
  padding: 0;
}

.nav a{
  color: var(--muted);
  padding: 10px 10px;
  border-radius: 10px;
}

.nav a:hover{
  color: var(--fg);
  background: var(--soft);
  text-decoration: none;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--fg);
  font-weight: 600;
  cursor: pointer;
  transition: transform .08s ease, background .15s ease, border-color .15s ease;
}

.btn:hover{
  background: var(--soft);
  text-decoration: none;
}

.btn:active{ transform: translateY(1px); }

.btn-primary{
  border-color: rgba(15,118,110,.25);
  background: var(--accent);
  color: white;
}

.btn-primary:hover{
  background: var(--accent-2);
}

/* Sections */
.section{ padding: 72px 0; }
.section.alt{ background: var(--soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

h1,h2,h3{ margin: 0 0 10px; line-height: 1.15; letter-spacing: -0.02em; }
h1{ font-size: clamp(34px, 3.5vw, 52px); }
h2{ font-size: 30px; }
h3{ font-size: 18px; }

.subhead{
  margin: 0 0 22px;
  color: var(--muted);
  max-width: 70ch;
}

.eyebrow{
  margin: 0 0 10px;
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.lead{
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 18px;
  max-width: 70ch;
}

/* Hero layout */
.hero{ padding-top: 84px; }
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 22px;
  align-items: start;
}

.actions{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.note{
  margin: 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--soft);
  color: var(--muted);
  max-width: 70ch;
}

.note strong{ color: var(--fg); }

/* Cards + grids */
.card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card{
  padding: 18px;
}

.hero-card{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
  padding: 18px;
  display:flex;
  flex-direction:column;
  gap: 14px;
}

.mini-k{ font-size: 12px; color: var(--muted); }
.mini-v{ font-size: 18px; font-weight: 700; }

.divider{ height: 1px; background: var(--line); margin: 2px 0; }
.muted{ color: var(--muted); }

.list{
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.list li{ margin: 8px 0; }

/* FAQ */
.faq{ display:grid; gap: 10px; max-width: 850px; }
.faq-item{
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  background: var(--card);
}
.faq-item summary{
  cursor: pointer;
  font-weight: 700;
}
.faq-item p{
  margin: 10px 0 0;
  color: var(--muted);
}

/* Contact */
.contact-grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 18px;
  align-items: start;
}

.contact-cards{
  display:grid;
  gap: 12px;
  margin-top: 18px;
  max-width: 520px;
}

.smallcard{
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 14px;
  padding: 14px;
}

.small-k{ font-size: 12px; color: var(--muted); }
.small-v{ font-size: 16px; font-weight: 650; }

.form label{
  display:block;
  margin: 10px 0 6px;
  font-size: 13px;
  color: var(--muted);
}

.form input, .form textarea{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: white;
  font: inherit;
}

.form textarea{ min-height: 120px; resize: vertical; }

.form input:focus, .form textarea:focus{
  outline: none;
  border-color: rgba(15,118,110,.45);
  box-shadow: 0 0 0 4px rgba(15,118,110,.12);
}

.row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.fineprint{
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12px;
}

/* Footer */
.footer{
  border-top: 1px solid var(--line);
  padding: 26px 0 40px;
}

.footer-inner{
  display:flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 560px){
  nav{ display:none; } /* simple minimal mobile choice */
  .row{ grid-template-columns: 1fr; }
}