:root{
  --brand:#009688;       /* teal */
  --accent:#fb8c00;      /* orange */
  --danger:#e53935;      /* red */
  --ink:#263238;         /* dark blue-grey */
  --muted:#607d8b;       /* grey */
  --bg:#f5f7f8;          /* light */
  --card:#ffffff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);}
a{color:var(--brand);text-decoration:none}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid #e6ecf0;z-index:10}
.nav{display:flex;justify-content:space-between;align-items:center;height:64px}
.logo{font-weight:800;letter-spacing:.3px;font-size:1.25rem;color:var(--ink)}
nav a{margin-left:18px}
.btn{display:inline-block;padding:10px 16px;border-radius:10px;background:var(--brand);color:#fff}
.btn:hover{filter:brightness(.95)}
.btn-accent{background:var(--accent);color:#fff}
.hero{padding:80px 0;background:linear-gradient(180deg,#e0f2f1,transparent)}
.hero .wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center}
.hero h1{font-size:2.2rem;margin:.2rem 0 .6rem}
.hero p{color:#455a64;line-height:1.5}
.card{background:var(--card);border-radius:16px;box-shadow:0 10px 20px rgba(0,0,0,.06);padding:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.features li{margin:8px 0}
.section{padding:64px 0}
.pricing .plan{border:1px solid #e6ecf0}
.plan h3{margin-top:0}
.plan .price{font-size:1.8rem;font-weight:800}
.badge{display:inline-block;background:#e0f2f1;color:#00695c;padding:4px 10px;border-radius:999px;font-size:.8rem}
.site-footer{margin-top:40px;background:#0f172a;color:#cbd5e1;padding:40px 0}
.site-footer h4{color:#fff;margin:.3rem 0}
.site-footer .links{list-style:none;padding:0;margin:0}
.site-footer .links li{margin:6px 0}
.copy{text-align:center;margin-top:18px;color:#94a3b8}

/* Toast system (positioned by JS) */
#toast-container{position:fixed;z-index:9999}
#toast-container.top-right,#toast-container.top-left{display:flex;flex-direction:column}
#toast-container.bottom-right,#toast-container.bottom-left{display:flex;flex-direction:column-reverse}
#toast-container.top-right{top:20px;right:20px;align-items:flex-end}
#toast-container.top-left{top:20px;left:20px;align-items:flex-start}
#toast-container.bottom-right{bottom:20px;right:20px;align-items:flex-end}
#toast-container.bottom-left{bottom:20px;left:20px;align-items:flex-start}

.toast{min-width:270px;display:flex;align-items:center;gap:10px;border-radius:10px;
  padding:14px 40px 18px 14px;margin-top:10px;font-size:15px;position:relative;color:#fff;
  box-shadow:0 8px 24px rgba(2,6,23,.25);opacity:0;transform:translateY(20px);
  transition:opacity .5s ease, transform .5s ease}
.toast.show{opacity:1;transform:translateY(0)}
.toast.hide{opacity:0;transform:translateY(20px)}
.toast.success{background:var(--brand)}
.toast.delete{background:var(--danger)}
.toast.error{background:var(--accent)}
.toast.info{background:#455a64}
.toast .close-btn{position:absolute;top:8px;right:12px;cursor:pointer;font-size:18px;font-weight:700}
.toast .progress{position:absolute;left:0;bottom:0;height:4px;background:rgba(255,255,255,.9);width:100%;
  transform:scaleX(1);transform-origin:left;transition:transform linear}

/* Controls */
.toast-controls{position:fixed;top:16px;right:16px;z-index:2000;display:flex;align-items:center;gap:10px}
#mute-toggle{background:#0f172a;color:#fff;border:none;border-radius:10px;padding:8px 12px;font-size:18px;cursor:pointer}
.slider-wrap{position:relative;display:flex;flex-direction:column;align-items:center}
#volume-label{position:absolute;top:-26px;background:#0f172a;color:#fff;font-size:12px;padding:2px 6px;border-radius:6px;display:none}
#volume-slider{width:120px}
/* Small screens */
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr}}