:root{
  --bg: #071423;
  --card: rgba(255,255,255,0.03);
  --accent: #2dd4bf;
  --accent-dark: #10b981;
  --muted: #9aa4ad; /* muted gray for footer links and secondary text */
  --muted-strong: #b0b9bf; /* slightly lighter on hover */
  --text: #e6eef3;
  --container: 1100px;
  --radius: 12px;
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial; background:linear-gradient(180deg,#04101a 0%, #071423 100%); color:var(--text); -webkit-font-smoothing:antialiased; line-height:1.45}
.container{max-width:var(--container);margin:0 auto;padding:20px}

/* Header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(2,6,23,0.6);backdrop-filter:blur(6px)}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:36px;height:36px}
.brand-name{font-weight:700}

/* Nav (only login button) */
.nav{display:flex;align-items:center;gap:12px}

/* Hero — single column (text then image) */
.hero{padding:36px 0}
.hero-grid{display:grid;grid-template-columns:1fr;gap:18px;align-items:start}
.hero h1{font-size:32px;margin:0 0 10px}
.lead{color:var(--muted);max-width:100%}
.hero-visual{position:relative;display:flex;flex-direction:column;align-items:center}
.hero-visual img{width:100%;max-width:980px;height:auto;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,0.6);display:block}
.visual-caption{margin-top:8px;color:var(--muted);font-size:13px}

/* Cards */
.cards{display:flex;gap:16px;flex-wrap:wrap;margin-top:18px}
.card{background:var(--card);padding:16px;border-radius:12px;flex:1;min-width:200px}
.card.small{flex:0 0 30%}

/* Buttons */
.btn{display:inline-block;padding:10px 14px;border-radius:10px;border:0;cursor:pointer;font-size:15px}
.btn-primary{background:linear-gradient(90deg,var(--accent),var(--accent-dark));color:#041017;font-weight:600}
.btn-outline{background:transparent;border:1px solid rgba(255,255,255,0.06);color:var(--text)}

/* Footer */
.site-footer{padding:18px 0;color:var(--muted);font-size:14px;border-top:1px solid rgba(255,255,255,0.03)}
.footer-row{display:flex;justify-content:space-between;align-items:center;gap:12px}
.footer-links{color:var(--muted)}
.footer-links a.footer-link{
  color:var(--muted);
  text-decoration:none;
  cursor:pointer;
  transition:color .12s ease;
}
.footer-links a.footer-link:hover,
.footer-links a.footer-link:focus{
  color:var(--muted-strong);
  text-decoration:underline;
  outline:none;
}

/* Modal (general) */
.modal{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(2,6,23,0.6);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .18s}
.modal[aria-hidden="false"]{opacity:1;pointer-events:auto}
.modal-panel{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));padding:20px;border-radius:12px;max-width:520px;width:100%;position:relative;box-shadow:0 12px 40px rgba(3,8,12,0.6)}
.modal-close{position:absolute;right:12px;top:10px;background:transparent;border:0;color:var(--muted);font-size:18px;cursor:pointer}
label{display:block;margin-bottom:10px;color:var(--muted)}
input[type="text"],input[type="email"],input[type="password"]{width:100%;padding:10px;border-radius:8px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:var(--text);font-size:15px}
.form-row{display:flex;gap:8px;align-items:center}

/* spinner */
.spinner{width:48px;height:48px;border-radius:50%;border:4px solid rgba(255,255,255,0.08);border-top-color:var(--accent);margin:18px auto;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.hidden{display:none}
.small{font-size:13px}
.muted{color:var(--muted)}

/* Login inline error box */
.login-error{
  margin-top:10px;
  padding:10px 12px;
  background: rgba(255,60,60,0.06);
  border:1px solid rgba(255,60,60,0.12);
  color:#ff9fa4;
  border-radius:8px;
  font-size:14px;
}

/* Small login modal specifics */
.login-panel { max-width:360px; padding:18px; }
.login-panel h4 { margin:0 0 10px; font-size:18px; color:var(--text); }
.login-actions { display:flex; gap:8px; margin-top:10px; }

/* Dashboard placeholder if SVG missing */
.dashboard-placeholder{
  width:100%;
  max-width:980px;
  height:380px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(180deg,#052226,#042027);
  color:var(--muted);
  font-size:16px;
  box-shadow:0 8px 30px rgba(0,0,0,0.6);
  padding:20px;
  text-align:center;
}

/* Responsive tweaks */
@media (max-width: 900px){
  .hero h1{font-size:24px}
  .card.small{flex-basis:100%}
  .hero-visual img, .dashboard-placeholder { max-width:100%; height:auto; }
}