:root{
  --bg:#0f0f0f; --text:#ffffff; --muted:#b5b5b5;
  --card:#151515; --border:#222;
  --primary:#25F4EE;  /* TikTok cyan */
  --accent:#FE2C55;   /* TikTok pink/red */
  --ghost: rgba(255,255,255,.08);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif}
a{color:var(--text);text-decoration:none}
img,video{max-width:100%;display:block}
.container{width:min(1120px, 92%);margin-inline:auto}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(15,15,15,.75);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--border)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.2px}
.logo-dot{display:inline-block;width:10px;height:10px;border-radius:50%}
.logo-dot--cyan{background:var(--primary)}
.logo-dot--pink{background:var(--accent)}
.logo-text{font-weight:800}
.logo-text .thin{font-weight:400;opacity:.8;margin-left:2px}
.badge{font-size:.75rem;padding:.2rem .5rem;border:1px solid var(--border);border-radius:999px;margin-left:.5rem;opacity:.9}
.site-nav{display:flex;gap:18px;align-items:center}
.site-nav a{opacity:.9}
.site-nav .btn{margin-left:8px}
.nav-toggle{display:none;flex-direction:column;gap:4px;background:transparent;border:0;cursor:pointer}
.nav-toggle span{width:24px;height:2px;background:#fff;border-radius:2px}

/* Hero */
.hero{padding:72px 0}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.hero-copy h1{font-size:clamp(30px,5vw,56px);line-height:1.05;margin:0 0 12px}
.accent{background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy p{color:var(--muted);max-width:56ch}
.hero-cta{display:flex;gap:12px;margin-top:18px}

/* Badges unter Buttons */
.badges{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.badge-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 10px;border-radius:999px;background:var(--ghost);border:1px solid var(--border);font-size:.92rem;color:#e8e8e8}
.badge-chip svg{display:block}

/* Phone Frame */
.phone-frame{width:min(410px,92%);margin-left:auto;border-radius:28px;border:1px solid #1b1b1b;overflow:hidden;box-shadow:var(--shadow);background:#000;position:relative}
.phone-notch{position:absolute;top:0;left:50%;transform:translateX(-50%);width:48%;height:24px;background:#111;border-bottom-left-radius:14px;border-bottom-right-radius:14px;z-index:5}

/* FYP Simulator */
.fyp{position:relative;aspect-ratio:9/16;width:100%;overflow:hidden;background:
  radial-gradient(1200px 70% at 50% 30%, #111 0%, #000 60%, #000 100%);
}
.fyp-track{position:absolute;inset:0;display:flex;flex-direction:column;will-change:transform}
.fyp-card{
  position:relative;flex:0 0 100%;
  display:flex;align-items:flex-end;justify-content:space-between;
  padding:16px;background:#000 center/cover no-repeat;
}
.fyp-card::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,.78) 100%);
}
.fyp-left{position:relative;z-index:2;max-width:75%}
.fyp-username{font-weight:800;margin-bottom:6px}
.fyp-title{font-weight:800;font-size:clamp(18px,2.6vw,24px);line-height:1.15}
.fyp-title .grad{background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.fyp-caption{margin-top:6px;color:#e6e6e6;opacity:.95}
.fyp-kpi{margin-top:10px;font-size:.9rem;color:#cfcfcf;opacity:.9}
.fyp-right{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:12px}
.fyp-btn{width:44px;height:44px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);display:grid;place-items:center}
.fyp-btn svg{width:18px;height:18px}

/* Sections */
.section{padding:72px 0;border-top:1px solid var(--border)}
.section--alt{background:#0c0c0c}
.section h2{font-size:clamp(22px,3.6vw,36px);margin:0 0 22px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.card h3{display:flex;align-items:center;gap:10px;margin:4px 0 10px}
.card .icon{width:18px;height:18px}
.card p{color:var(--muted)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.cta-block{background:var(--ghost);border:1px dashed var(--border);border-radius:16px;padding:20px}
.bullets{padding-left:18px}
.bullets li{margin:8px 0;color:var(--muted)}

/* Compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:8px}
.compare-col{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px}
.compare-col--accent{border-color:#2a2a2a;outline:1px solid rgba(254,44,85,.25)}
.compare-col h3{margin:0 0 10px}
.compare-col ul{margin:0;padding-left:18px;color:var(--muted)}
.compare-col li{margin:8px 0}

/* FAQ */
.faq details{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px 14px;margin:10px 0}
.faq summary{cursor:pointer;font-weight:600}
.faq p{color:var(--muted);margin:8px 0 0}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:transform .05s ease,opacity .2s}
.btn:active{transform:translateY(1px)}
.btn--primary{background:linear-gradient(90deg,var(--primary),var(--accent));color:#0a0a0a;font-weight:700}
.btn--outline{border-color:var(--border);background:transparent}
.btn--ghost{background:var(--ghost);border-color:var(--border)}
.btn[disabled]{opacity:.6;cursor:not-allowed}

/* Footer */
.site-footer{border-top:1px solid var(--border);padding:40px 0 24px;background:#0b0b0b}
.footer-grid{display:grid;grid-template-columns:1.3fr .9fr .8fr;gap:20px}
.footer-nav,.footer-legal{display:grid;gap:10px;align-content:start}
.footer-bottom{margin-top:12px;border-top:1px solid var(--border);padding-top:12px;color:var(--muted)}

/* Responsive */
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .cards{grid-template-columns:1fr 1fr}
  .compare{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .site-nav{display:none;position:absolute;top:58px;right:4%;flex-direction:column;background:#0b0b0b;border:1px solid var(--border);border-radius:12px;padding:10px;width:min(300px,92vw)}
  .site-nav.open{display:flex}
  .nav-toggle{display:flex}
}