:root{--ev-blue:#1EA3E4;--ev-blue-2:#38bdf8;--ev-green:#22c55e;--ev-ink:#0b1220;--ev-muted:#64748b;--bg:#f7fbff;--card:#fff;--border:#e5e7eb;--radius:22px}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ev-ink);background:var(--bg)}
a{color:inherit}
.container{max-width:1100px;margin:0 auto;padding:0 18px}
.nav{position:sticky;top:0;z-index:50;background:rgba(247,251,255,.86);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid rgba(229,231,235,.75)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0;gap:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo{width:38px;height:38px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--ev-blue),var(--ev-blue-2));box-shadow:0 10px 24px rgba(30,163,228,.25)}
.logo svg{width:20px;height:20px}
.brand-title{font-weight:900;letter-spacing:.2px}
.brand-sub{font-size:12px;color:var(--ev-muted);margin-top:1px}
.nav-links{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.pill{font-size:13px;text-decoration:none;padding:8px 12px;border-radius:999px;border:1px solid rgba(148,163,184,.35);background:#fff}
.pill:hover{border-color:rgba(30,163,228,.55)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 16px;border-radius:14px;border:1px solid rgba(30,163,228,.35);background:linear-gradient(135deg,var(--ev-blue),var(--ev-blue-2));color:#fff;font-weight:800;text-decoration:none;box-shadow:0 14px 30px rgba(30,163,228,.22)}
.btn.secondary{background:#fff;color:var(--ev-ink);box-shadow:none;border:1px solid rgba(148,163,184,.35)}
.hero{padding:40px 0 22px;background:radial-gradient(circle at 10% 10%, rgba(30,163,228,.25), transparent 40%),radial-gradient(circle at 90% 0%, rgba(30,163,228,.16), transparent 40%),linear-gradient(180deg,#fff,rgba(247,251,255,.8));border-bottom:1px solid rgba(229,231,235,.8)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:center}
.h-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:900;letter-spacing:.16em;text-transform:uppercase;color:rgba(11,18,32,.7);background:rgba(255,255,255,.75);border:1px solid rgba(148,163,184,.35);padding:8px 12px;border-radius:999px}
.h1{font-size:44px;line-height:1.08;margin:12px 0 10px;font-weight:900}
.lead{font-size:16px;line-height:1.55;color:rgba(11,18,32,.78);max-width:60ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.badge{font-size:12px;padding:8px 10px;border-radius:12px;background:#fff;border:1px solid rgba(148,163,184,.35)}
.badge strong{color:var(--ev-blue)}
.card{background:var(--card);border:1px solid rgba(229,231,235,.9);border-radius:var(--radius);box-shadow:0 16px 38px rgba(2,6,23,.10)}
.hero-shot{padding:14px;display:grid;gap:10px}
.hero-shot img{width:100%;height:auto;border-radius:18px;border:1px solid rgba(229,231,235,.9)}
.caption{font-size:12px;color:var(--ev-muted);line-height:1.35}
.section{padding:34px 0}
.section h2{font-size:26px;margin:0 0 14px;font-weight:900}
.kicker{font-size:14px;color:var(--ev-muted);max-width:80ch}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:16px}
.feature,.step,.quote,.post,.article,.charts{padding:16px}
.feature .icon{width:44px;height:44px;border-radius:16px;display:grid;place-items:center;margin-bottom:10px;background:rgba(30,163,228,.12);border:1px solid rgba(30,163,228,.25)}
.feature h3,.step h3{margin:0 0 6px;font-size:16px}
.feature p,.step p,.post p{margin:0;color:var(--ev-muted);font-size:14px;line-height:1.5}
.step .num{width:34px;height:34px;border-radius:999px;display:grid;place-items:center;background:rgba(30,163,228,.14);border:1px solid rgba(30,163,228,.26);font-weight:900;color:rgba(11,18,32,.9)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:center;margin-top:16px}
.quote p{margin:0 0 10px;color:rgba(11,18,32,.82);line-height:1.55}
.quote .who{font-size:13px;color:var(--ev-muted)}
.callout{padding:18px;border-radius:var(--radius);background:linear-gradient(180deg, rgba(30,163,228,.10), rgba(255,255,255,1));border:1px solid rgba(148,163,184,.35)}
.callout h3{margin:0 0 8px;font-size:18px}
.callout p{margin:0;color:rgba(11,18,32,.78);line-height:1.55}
.cta{padding:28px}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.footer{padding:26px 0;color:rgba(11,18,32,.72);border-top:1px solid rgba(229,231,235,.85);background:#fff}
.footer a{color:var(--ev-blue);text-decoration:none}
.small{font-size:12px;color:var(--ev-muted);line-height:1.5}
hr.sep{border:none;border-top:1px solid rgba(229,231,235,.85);margin:18px 0}
.canvas-wrap{padding:14px}
canvas{width:100%;height:280px}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px}
.post h3{margin:8px 0 8px;font-size:16px}
.tagrow{display:flex;gap:8px;flex-wrap:wrap}
.tag{font-size:12px;padding:6px 10px;border-radius:999px;border:1px solid rgba(148,163,184,.35);background:#fff;color:rgba(11,18,32,.8)}
.article h1{margin:0 0 8px;font-size:30px}
.article .meta{font-size:13px;color:var(--ev-muted);margin-bottom:12px}
.article p{line-height:1.7;color:rgba(11,18,32,.8)}
.article h2{margin-top:22px;font-size:20px}
.notice{font-size:12px;color:rgba(11,18,32,.65);background:#fff;border:1px solid rgba(229,231,235,.9);padding:10px 12px;border-radius:14px}
@media (max-width:980px){.hero-grid{grid-template-columns:1fr;gap:14px}.h1{font-size:36px}.grid-3,.post-grid{grid-template-columns:1fr}.grid-2,.split{grid-template-columns:1fr}canvas{height:260px}}


/* v2 polish */
.hero{
  background:
    radial-gradient(900px 420px at 15% -10%, rgba(30,163,228,.22), transparent 60%),
    radial-gradient(900px 420px at 85% 0%, rgba(30,163,228,.18), transparent 55%),
    linear-gradient(180deg, rgba(30,163,228,.10), rgba(255,255,255,0));
  border-bottom:1px solid rgba(229,231,235,.85);
}
.kpi{border:1px solid rgba(229,231,235,.9); box-shadow:0 16px 30px rgba(2,6,23,.06)}
.btn-primary{background:linear-gradient(135deg, var(--ev-blue), #19c2ff); box-shadow:0 14px 28px rgba(30,163,228,.25)}
.btn-primary:hover{transform:translateY(-1px)}
.section-title{letter-spacing:-0.02em}
.chart-card canvas{filter:saturate(1.15)}
.badge{background:rgba(30,163,228,.10); color:#0f7a3a; border:1px solid rgba(30,163,228,.18)}

.canvas-wrap{background:var(--card);border:1px solid rgba(229,231,235,.9);border-radius:var(--radius);padding:16px;box-shadow:0 16px 30px rgba(2,6,23,.06)}
.canvas-wrap canvas{max-width:100%;filter:saturate(1.2) contrast(1.05)}


/* ===== Nav (clean, app-like) ===== */
.nav{position:sticky;top:0;z-index:50;background:#ffffffcc;backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 18px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;min-width:0}
.brand-text{min-width:0}
.brand-title{font-weight:800;letter-spacing:-.2px}
.brand-sub{font-size:12px;color:var(--ev-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:52vw}
.logo{width:36px;height:36px;border-radius:12px;background:var(--ev-blue);display:grid;place-items:center;box-shadow:0 10px 30px rgba(30,163,228,.25)}
.nav-links{display:flex;align-items:center;gap:10px}
.nav-links a{font-size:13px;text-decoration:none;color:var(--ev-ink);padding:9px 12px;border-radius:999px;border:1px solid transparent}
.nav-links a:hover{border-color:var(--border);background:#f8fafc}
.nav-links a.cta{background:var(--ev-blue);color:#fff;border-color:transparent;font-weight:700}
.nav-links a.cta:hover{filter:brightness(.98);background:var(--ev-blue)}
.nav-toggle{display:none;appearance:none;border:1px solid var(--border);background:#fff;border-radius:14px;padding:10px;line-height:0}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ev-ink);margin:3px 0;border-radius:2px}

/* Mobile menu */
@media (max-width: 820px){
  .brand-sub{max-width:46vw}
  .nav-toggle{display:inline-block}
  .nav-links{display:none;position:absolute;left:18px;right:18px;top:64px;background:#fff;border:1px solid var(--border);border-radius:18px;padding:10px;box-shadow:0 20px 60px rgba(2,6,23,.12);flex-direction:column;align-items:stretch}
  .nav-links a{display:block}
  .nav-links.is-open{display:flex}
}