/* Datevanta — dark premium app-style
   Original stylesheet, no shared classes/structure with other portfolio domains. */

:root{
  --bg: #14161c;
  --bg-soft: #181b23;
  --card: #1d2029;
  --card-border: rgba(255,255,255,0.08);
  --text: #eef0f4;
  --muted: #8b90a0;
  --accent: #3ddc97;
  --accent-2: #5b8cff;
  --radius-lg: 20px;
  --radius-md: 16px;
  --shadow-glow: 0 0 0 1px rgba(61,220,151,0.25), 0 8px 30px rgba(61,220,151,0.18);
  --maxw: 1120px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(91,140,255,0.14), transparent 60%),
    radial-gradient(700px 420px at -10% 20%, rgba(61,220,151,0.10), transparent 55%),
    var(--bg);
  color:var(--text);
  font-family:"Inter","Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ---------- Nav ---------- */
.nav{
  position:sticky;top:0;z-index:20;
  background:rgba(20,22,28,0.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--card-border);
}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:-0.02em;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;color:#0d0f14;
}
.nav-links{display:flex;gap:28px;align-items:center;}
.nav-links a{color:var(--muted);font-size:14.5px;font-weight:500;transition:color .15s ease;}
.nav-links a:hover{color:var(--text);}
.btn-nav{
  padding:9px 18px;border-radius:11px;
  background:var(--accent);
  color:#0c1210 !important;
  font-weight:700;font-size:14px;
}
.btn-nav:hover{filter:brightness(1.07);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 30px;border-radius:14px;
  font-weight:700;font-size:16px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .2s ease, filter .15s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),#2fc586);
  color:#0b1310;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(61,220,151,0.35), 0 14px 38px rgba(61,220,151,0.30);}
.btn-ghost{
  background:rgba(255,255,255,0.03);
  color:var(--text);
  border:1px solid var(--card-border);
}
.btn-ghost:hover{border-color:rgba(255,255,255,0.22);background:rgba(255,255,255,0.06);}
.btn-block{width:100%;}

/* ---------- Hero ---------- */
.hero{padding:88px 0 70px;}
.hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--accent);
  background:rgba(61,220,151,0.09);
  border:1px solid rgba(61,220,151,0.25);
  padding:6px 14px;border-radius:100px;
  margin-bottom:22px;
}
.hero h1{
  font-size:clamp(34px,5vw,54px);
  line-height:1.08;letter-spacing:-0.03em;
  margin:0 0 22px;max-width:820px;
  font-weight:800;
}
.hero h1 span{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{
  font-size:18px;color:var(--muted);max-width:640px;margin:0 0 18px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px;}
.hero-note{margin-top:16px;font-size:13.5px;color:var(--muted);}

/* ---------- Stat strip ---------- */
.stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  margin-top:56px;
}
.stat-card{
  background:var(--card);
  border:1px solid var(--card-border);
  border-radius:var(--radius-md);
  padding:22px 20px;
}
.stat-card .num{font-size:28px;font-weight:800;color:var(--text);letter-spacing:-0.02em;}
.stat-card .num span{color:var(--accent);}
.stat-card .lbl{font-size:13.5px;color:var(--muted);margin-top:4px;}

/* ---------- Sections ---------- */
section{padding:64px 0;}
.section-head{max-width:620px;margin:0 0 40px;}
.section-head .tag{
  font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent-2);
}
.section-head h2{
  font-size:clamp(26px,3.4vw,36px);letter-spacing:-0.02em;margin:10px 0 12px;font-weight:800;
}
.section-head p{color:var(--muted);font-size:16px;margin:0;}

/* ---------- Feature grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.feature-card{
  background:var(--card);
  border:1px solid var(--card-border);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  transition:border-color .15s ease, transform .15s ease;
}
.feature-card:hover{border-color:rgba(61,220,151,0.35);transform:translateY(-3px);}
.feature-icon{
  width:44px;height:44px;border-radius:12px;
  background:rgba(61,220,151,0.10);
  border:1px solid rgba(61,220,151,0.25);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;margin-bottom:16px;
}
.feature-card h3{font-size:17.5px;margin:0 0 8px;font-weight:700;letter-spacing:-0.01em;}
.feature-card p{font-size:14.5px;color:var(--muted);margin:0;}

/* ---------- Article cards ---------- */
.article-card{
  background:var(--card);
  border:1px solid var(--card-border);
  border-radius:var(--radius-lg);
  padding:30px;
  display:flex;flex-direction:column;gap:14px;
  transition:border-color .15s ease, transform .15s ease;
}
.article-card:hover{border-color:rgba(91,140,255,0.35);transform:translateY(-3px);}
.article-kicker{font-size:12.5px;font-weight:700;color:var(--accent-2);text-transform:uppercase;letter-spacing:.06em;}
.article-card h3{font-size:21px;margin:0;font-weight:800;letter-spacing:-0.01em;}
.article-card p{color:var(--muted);font-size:14.5px;margin:0;}
.article-link{
  margin-top:auto;font-size:14px;font-weight:700;color:var(--accent);
  display:inline-flex;align-items:center;gap:6px;
}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(135deg, rgba(61,220,151,0.10), rgba(91,140,255,0.10));
  border:1px solid var(--card-border);
  border-radius:24px;
  padding:52px 44px;
  text-align:center;
  margin:20px 0 0;
}
.cta-band h2{font-size:clamp(24px,3.2vw,32px);margin:0 0 14px;font-weight:800;letter-spacing:-0.02em;}
.cta-band p{color:var(--muted);margin:0 0 28px;font-size:16px;}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--card-border);padding:44px 0 34px;margin-top:40px;}
footer .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px;}
footer .foot-links{display:flex;gap:22px;flex-wrap:wrap;}
footer .foot-links a{color:var(--muted);font-size:13.5px;}
footer .foot-links a:hover{color:var(--text);}
footer .copy{color:var(--muted);font-size:13px;}

/* ---------- Article page ---------- */
.article-page{padding:56px 0 80px;}
.article-page .back{color:var(--accent-2);font-size:14px;font-weight:600;display:inline-flex;gap:6px;margin-bottom:28px;}
.article-page article{max-width:720px;}
.article-page .meta{color:var(--muted);font-size:13.5px;margin-bottom:14px;}
.article-page h1{font-size:clamp(28px,4vw,40px);letter-spacing:-0.02em;margin:0 0 22px;font-weight:800;line-height:1.14;}
.article-page h2{font-size:22px;margin:36px 0 12px;font-weight:700;letter-spacing:-0.01em;}
.article-page p{color:#d6d9e2;font-size:16.5px;margin:0 0 18px;}
.article-page ul{color:#d6d9e2;font-size:16.5px;margin:0 0 18px;padding-left:22px;}
.article-page li{margin-bottom:8px;}
.article-page .callout{
  background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius-md);
  padding:20px 22px;margin:28px 0;font-size:15px;color:var(--muted);
}
.article-page .callout strong{color:var(--text);}

/* ---------- Legal page ---------- */
.legal-page{padding:56px 0 80px;}
.legal-page .wrap{max-width:760px;}
.legal-page h1{font-size:32px;margin:0 0 8px;font-weight:800;letter-spacing:-0.02em;}
.legal-page .updated{color:var(--muted);font-size:13.5px;margin-bottom:36px;}
.legal-page h2{font-size:19px;margin:32px 0 10px;font-weight:700;}
.legal-page p, .legal-page li{color:#d6d9e2;font-size:15.5px;}
.legal-page ul{padding-left:20px;}

/* ---------- Decoy (d/) ---------- */
.appbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 0;
}
.app-hero{padding:64px 0 48px;text-align:center;}
.app-hero h1{font-size:clamp(30px,5vw,46px);font-weight:800;letter-spacing:-0.02em;margin:0 0 16px;}
.app-hero p{color:var(--muted);font-size:17px;max-width:520px;margin:0 auto 30px;}
.app-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.app-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:60px;}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .grid-3, .app-cards{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;}
  .nav-links{display:none;}
  footer .wrap{flex-direction:column;align-items:flex-start;}
}