:root{--bg:#fff;--bg-2:#f7f7f5;--bg-3:#edece9;--text:#0a0a0a;--text-2:#3d3d3d;--text-3:#6f6f6f;--text-4:#a0a0a0;--border:rgba(0,0,0,.08);--border-2:rgba(0,0,0,.14);--accent:#16a34a;--accent-bg:#f0fdf4;--accent-bd:#bbf7d0;--accent-t:#14532d;--red:#e5484d;--red-bg:#fff1f1;--red-bd:#fecaca;--shadow:0 2px 8px rgba(0,0,0,.06);--shadow-lg:0 20px 60px rgba(0,0,0,.10),0 4px 16px rgba(0,0,0,.06);--t:140ms cubic-bezier(.4,0,.2,1);}
[data-theme=dark]{--bg:#0a0a0a;--bg-2:#111;--bg-3:#1a1a1a;--text:#ededed;--text-2:#c4c4c4;--text-3:#888;--text-4:#555;--border:rgba(255,255,255,.08);--border-2:rgba(255,255,255,.14);--accent:#22c55e;--accent-bg:rgba(34,197,94,.1);--accent-bd:rgba(34,197,94,.2);--accent-t:#86efac;--red:#f87171;--red-bg:rgba(239,68,68,.1);--red-bd:rgba(239,68,68,.2);--shadow-lg:0 20px 60px rgba(0,0,0,.6);}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased}
body{font-family:'DM Sans',-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;transition:background var(--t),color var(--t)}

nav{position:fixed;top:0;left:0;right:0;z-index:100;height:56px;display:flex;align-items:center;padding:0 24px;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:background var(--t)}
[data-theme=dark] nav{background:rgba(10,10,10,.85)}
.nav-logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--text);text-decoration:none;letter-spacing:-.02em}
.logo-mark{width:26px;height:26px;background:var(--accent);border-radius:7px;display:flex;align-items:center;justify-content:center}
.logo-mark svg{color:#fff}
.nav-spacer{flex:1}
.theme-btn{width:32px;height:32px;border-radius:8px;border:1px solid var(--border-2);background:var(--bg-2);cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-3);transition:all var(--t)}
.theme-btn:hover{background:var(--bg-3);color:var(--text)}
.sun{display:block}.moon{display:none}
[data-theme=dark] .sun{display:none}[data-theme=dark] .moon{display:block}

.hero{min-height:100vh;display:flex;align-items:center;padding:80px 24px 60px;background:radial-gradient(ellipse 80% 60% at 50% -10%,var(--accent-bg) 0%,transparent 70%)}
.hero-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 400px;gap:80px;align-items:center}
.hero-kicker{display:inline-flex;align-items:center;gap:6px;background:var(--accent-bg);color:var(--accent-t);border:1px solid var(--accent-bd);font-size:12px;font-weight:600;padding:4px 10px;border-radius:99px;margin-bottom:18px}
.kicker-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:blink 2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
h1{font-size:clamp(2.2rem,4.5vw,3.2rem);font-weight:700;letter-spacing:-.04em;line-height:1.1;margin-bottom:18px}
h1 em{font-style:normal;color:var(--accent)}
.hero-sub{font-size:16px;color:var(--text-3);line-height:1.7;max-width:440px;margin-bottom:36px}
.feature-list{display:flex;flex-direction:column;gap:10px}
.feature-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2)}
.feat-check{width:18px;height:18px;border-radius:99px;background:var(--accent-bg);border:1px solid var(--accent-bd);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.feat-check svg{color:var(--accent)}

.login-card{background:var(--bg);border:1px solid var(--border-2);border-radius:16px;padding:32px 28px;box-shadow:var(--shadow-lg)}
.login-card h2{font-size:18px;font-weight:700;letter-spacing:-.02em;margin-bottom:4px}
.login-card .sub{font-size:13px;color:var(--text-4);margin-bottom:24px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;font-weight:500;color:var(--text-3);margin-bottom:5px}
.field input{width:100%;padding:9px 12px;background:var(--bg-2);color:var(--text);border:1px solid var(--border-2);border-radius:8px;font-size:14px;font-family:inherit;outline:none;transition:all var(--t)}
.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg);background:var(--bg)}
.err-box{background:var(--red-bg);color:var(--red);border:1px solid var(--red-bd);border-radius:8px;padding:10px 12px;font-size:13px;margin-bottom:14px}
.login-btn{width:100%;padding:11px;border:none;background:var(--text);color:var(--bg);border-radius:8px;font-size:14px;font-weight:600;font-family:inherit;cursor:pointer;transition:opacity var(--t);margin-top:4px}
.login-btn:hover{opacity:.85}

.stats-band{background:var(--bg-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:48px 24px}
.stats-inner{max-width:900px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr)}
.stat-item{text-align:center;padding:0 24px;border-right:1px solid var(--border)}
.stat-item:last-child{border-right:none}
.stat-num{font-size:2.4rem;font-weight:800;letter-spacing:-.04em;color:var(--text);margin-bottom:4px}
.stat-num em{font-style:normal;color:var(--accent)}
.stat-desc{font-size:13px;color:var(--text-4)}

.how{padding:80px 24px}
.how-inner{max-width:1000px;margin:0 auto}
.section-label{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
h2{font-size:2rem;font-weight:700;letter-spacing:-.03em;margin-bottom:48px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{padding:24px;border:1px solid var(--border);border-radius:16px;background:var(--bg-2);transition:border-color var(--t),box-shadow var(--t)}
.step:hover{border-color:var(--border-2);box-shadow:var(--shadow)}
.step-n{width:36px;height:36px;border-radius:10px;background:var(--accent-bg);border:1px solid var(--accent-bd);color:var(--accent-t);font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.step h3{font-size:15px;font-weight:600;margin-bottom:6px}
.step p{font-size:13.5px;color:var(--text-3);line-height:1.6}

footer{padding:28px 24px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.footer-logo{font-weight:700;font-size:14px;color:var(--text);letter-spacing:-.02em}
.footer-copy{font-size:12.5px;color:var(--text-4)}

@media(max-width:768px){.hero-inner{grid-template-columns:1fr;gap:48px}.stats-inner{grid-template-columns:1fr;gap:24px}.stat-item{border-right:none;border-bottom:1px solid var(--border);padding:0 0 24px}.steps{grid-template-columns:1fr}}