:root{
  --green:#0f9d58; --green-dark:#0b3d2e; --accent:#00e676;
  --text:#1b1f23; --muted:#5f6b66; --bg:#ffffff; --bg-alt:#f4f7f5; --border:#e4e9e6;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,'Segoe UI',Roboto,'Malgun Gothic',sans-serif;color:var(--text);line-height:1.65;background:var(--bg)}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
a{text-decoration:none;color:inherit}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;font-size:1.25rem;color:var(--green-dark)}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{color:var(--muted);font-weight:500}
.nav-links a:hover{color:var(--green-dark)}

/* Buttons */
.btn{display:inline-block;padding:12px 22px;border-radius:10px;font-weight:600;transition:.2s;cursor:pointer;border:none}
.btn-sm{padding:8px 16px;font-size:.9rem}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark)}
.btn-ghost{border:1.5px solid var(--green);color:var(--green)}
.btn-ghost:hover{background:var(--green);color:#fff}
.btn-light{background:#fff;color:var(--green-dark)}
.btn-ghost-light{border:1.5px solid rgba(255,255,255,.7);color:#fff}

/* Hero */
.hero{background:linear-gradient(135deg,#0b3d2e,#0f9d58);color:#fff;padding:72px 0 88px}
.hero-inner{display:flex;align-items:center;gap:48px;flex-wrap:wrap}
.hero-text{flex:1;min-width:300px}
.hero-text h1{font-size:2.6rem;line-height:1.2;font-weight:800;margin-bottom:18px}
.hero-text h1 span{color:var(--accent)}
.hero-text p{font-size:1.1rem;opacity:.92;margin-bottom:28px;max-width:520px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-cta.center{justify-content:center}
.hero-stats{display:flex;gap:32px;margin-top:40px}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats b{font-size:1.6rem;color:var(--accent)}
.hero-stats span{font-size:.85rem;opacity:.85}

/* Phone mock */
.hero-visual{flex:1;min-width:280px;display:flex;justify-content:center}
.phone{width:260px;height:520px;background:#0a0a0a;border-radius:36px;padding:14px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.phone-screen{background:var(--green-dark);height:100%;border-radius:24px;padding:28px 22px;color:#fff;display:flex;flex-direction:column}
.metric-big{font-size:3rem;font-weight:800;color:var(--accent)}
.metric-big small{font-size:1.2rem;color:#fff}
.metric-label{opacity:.8;margin-bottom:24px}
.metric-row{display:flex;justify-content:space-between;margin-bottom:24px}
.metric-row div{display:flex;flex-direction:column;text-align:center}
.metric-row b{font-size:1.3rem}
.metric-row span{font-size:.72rem;opacity:.75}
.heat-demo{flex:1;border-radius:14px;background:
  radial-gradient(circle at 30% 40%, rgba(255,80,80,.9), transparent 22%),
  radial-gradient(circle at 60% 55%, rgba(255,200,0,.8), transparent 24%),
  radial-gradient(circle at 45% 70%, rgba(0,230,118,.7), transparent 26%),
  #06251b}

/* Sections */
.section{padding:80px 0}
.section-alt{background:var(--bg-alt)}
.section-title{font-size:2rem;font-weight:800;text-align:center;color:var(--green-dark)}
.section-title.left{text-align:left}
.section-sub{text-align:center;color:var(--muted);margin-top:10px;margin-bottom:40px}
.grid{display:grid;gap:22px}
.features{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin-top:36px}
.card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px;transition:.2s}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(0,0,0,.08)}
.card .icon{font-size:2rem;margin-bottom:12px}
.card h3{color:var(--green-dark);margin-bottom:8px}
.card p{color:var(--muted)}

/* Steps */
.steps{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.step{background:#fff;border-radius:16px;padding:28px;border:1px solid var(--border)}
.step .num{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--green);color:#fff;font-weight:700;margin-bottom:14px}
.step h3{color:var(--green-dark);margin-bottom:6px}
.step p{color:var(--muted);font-size:.95rem}

/* Team */
.team-inner{display:flex;align-items:center;gap:48px;flex-wrap:wrap}
.team-text{flex:1;min-width:300px}
.team-text p{color:var(--muted);margin:16px 0}
.checklist{list-style:none}
.checklist li{padding:8px 0 8px 30px;position:relative;color:var(--text)}
.checklist li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:800}
.team-visual{flex:1;min-width:280px}
.rank-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:0 8px 24px rgba(0,0,0,.06)}
.rank-row{display:flex;justify-content:space-between;padding:14px 6px;border-bottom:1px solid var(--border)}
.rank-row:last-child{border-bottom:none}
.rank-row b{color:var(--green-dark)}

/* CTA */
.cta-section{background:linear-gradient(135deg,#0f9d58,#0b3d2e);color:#fff;text-align:center}
.cta-inner h2{font-size:2rem;font-weight:800;margin-bottom:12px}
.cta-inner p{opacity:.9;margin-bottom:28px}
.cta-note{display:block;margin-top:20px;opacity:.75}

/* Footer */
.footer{background:#06251b;color:#cfe;padding:28px 0}
.footer-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.9rem}

@media(max-width:720px){
  .hero-text h1{font-size:2rem}
  .nav-links a:not(.btn){display:none}
}