:root{
  --bg1:#f9bdff;
  --bg2:#baa2ff;
  --bg3:#9cf2fc;
  --text:#0f1020;
  --muted:#555972;
  --card:rgba(255,255,255,0.84);
  --card-solid:#ffffff;
  --accent:#6b7aff;
  --accent-soft:#9d8dff;
  --shadow:0 24px 45px rgba(15,16,32,0.15);
  --radius-lg:28px;
  --radius-md:20px;
}

*,
*::before,
*::after{
  box-sizing:border-box;
}

body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);
  background:radial-gradient(140% 140% at 0% 0%,rgba(255,255,255,0.18) 0%,rgba(255,255,255,0) 55%),linear-gradient(140deg,var(--bg1) 0%,var(--bg2) 40%,var(--bg3) 95%);
  background-attachment:fixed;
  min-height:100vh;
}

a{
  color:inherit;
  text-decoration:none;
}

.page{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  padding:32px clamp(16px,4vw,48px) 48px;
  gap:32px;
}

.navbar{
  width:100%;
  max-width:1180px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:20px 28px;
  background:var(--card);
  backdrop-filter:blur(14px);
  border-radius:var(--radius-md);
  border:1px solid rgba(15,16,32,0.05);
  box-shadow:0 16px 35px rgba(18,20,36,0.12);
}

.brand{
  display:flex;
  align-items:center;
  gap:14px;
  font-weight:800;
  font-size:18px;
}

.brand-logo{
  width:56px;
  height:56px;
  border-radius:18px;
  box-shadow:0 10px 18px rgba(15,16,32,0.16);
}

.nav-links{
  display:flex;
  align-items:center;
  gap:18px;
  font-weight:600;
  flex-wrap:wrap;
}

.nav-link{
  padding:8px 14px;
  border-radius:12px;
  transition:background .2s ease,transform .2s ease;
}

.nav-link:hover,
.nav-link:focus-visible{
  background:rgba(255,255,255,0.6);
  transform:translateY(-1px);
}

.language-switcher{
  display:flex;
  align-items:center;
  gap:8px;
}

.language-switcher select{
  border-radius:12px;
  border:1px solid rgba(15,16,32,0.12);
  padding:8px 12px;
  font-weight:600;
  background:rgba(255,255,255,0.85);
  color:var(--text);
  cursor:pointer;
}

.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

.main{
  width:100%;
  max-width:1180px;
  display:flex;
  flex-direction:column;
  gap:48px;
}

.hero{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
  gap:52px;
  align-items:center;
  padding:52px clamp(24px,5vw,60px);
  background:var(--card);
  border-radius:var(--radius-lg);
  border:1px solid rgba(15,16,32,0.05);
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}

.hero::after{
  content:"";
  position:absolute;
  inset:auto -60px -160px auto;
  width:420px;
  height:420px;
  background:radial-gradient(circle at 30% 30%,rgba(255,255,255,0.45),rgba(217,202,255,0));
  z-index:0;
}

.hero-copy{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  gap:20px;
  max-width:480px;
}

.badge{
  align-self:flex-start;
  padding:8px 16px;
  background:rgba(255,255,255,0.78);
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--accent);
}

.hero-title{
  font-size:clamp(32px,4.2vw,46px);
  line-height:1.05;
  font-weight:800;
  margin:0;
}

.hero-sub{
  margin:0;
  font-size:18px;
  line-height:1.5;
  color:var(--muted);
}

.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 22px;
  border-radius:14px;
  border:1px solid transparent;
  font-weight:700;
  font-size:15px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}

.btn.primary{
  background:linear-gradient(120deg,var(--accent) 0%,var(--accent-soft) 100%);
  color:#fff;
  box-shadow:0 16px 30px rgba(107,122,255,0.42);
}

.btn.primary:hover,
.btn.primary:focus-visible{
  transform:translateY(-2px);
  box-shadow:0 20px 36px rgba(107,122,255,0.5);
}

.btn.ghost{
  background:rgba(255,255,255,0.78);
  color:var(--text);
  border-color:rgba(15,16,32,0.12);
}

.btn.ghost:hover,
.btn.ghost:focus-visible{
  background:#fff;
  transform:translateY(-2px);
}

.hero-note{
  margin:0;
  font-size:15px;
  color:var(--muted);
}

.hero-list{
  margin:0;
  padding-left:20px;
  display:flex;
  flex-direction:column;
  gap:8px;
  font-size:15px;
  color:var(--muted);
}

.hero-visual{
  position:relative;
  min-height:320px;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:1;
}

.device{
  position:absolute;
  width:220px;
  aspect-ratio:112/243;
  border-radius:32px;
  overflow:hidden;
  box-shadow:0 24px 40px rgba(15,16,32,0.24);
  transition:transform .4s ease;
}

.device img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.device-back{
  transform:translate(-140px,-40px) rotate(-12deg);
  opacity:.7;
}

.device-mid{
  transform:translate(20px,-60px) rotate(8deg);
  opacity:.85;
}

.device-front{
  transform:translate(-10px,30px) rotate(-4deg);
  z-index:2;
}

.section-title{
  font-size:28px;
  margin:0;
  font-weight:800;
  text-align:center;
}

.section-sub{
  margin:12px auto 0;
  max-width:620px;
  text-align:center;
  color:var(--muted);
  font-size:16px;
}

.features{
  display:flex;
  flex-direction:column;
  gap:26px;
}

.feature-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:20px;
}

.feature-card{
  background:var(--card-solid);
  border-radius:22px;
  padding:24px;
  border:1px solid rgba(15,16,32,0.06);
  box-shadow:0 18px 40px rgba(15,16,32,0.08);
  display:flex;
  flex-direction:column;
  gap:12px;
}

.feature-card h3{
  margin:0;
  font-size:18px;
}

.feature-card p{
  margin:0;
  color:var(--muted);
  font-size:15px;
  line-height:1.6;
}

.video-demo{
  background:var(--card);
  border-radius:var(--radius-md);
  padding:36px clamp(18px,5vw,42px);
  border:1px solid rgba(15,16,32,0.05);
  box-shadow:0 18px 40px rgba(15,16,32,0.12);
  display:flex;
  flex-direction:column;
  gap:20px;
}

.video-demo__content{
  text-align:center;
  display:flex;
  flex-direction:column;
  gap:8px;
}

.video-demo__player{
  display:flex;
  justify-content:center;
}

.video-demo__video{
  width:100%;
  max-width:680px;
  border-radius:24px;
  background:#000;
  box-shadow:0 18px 40px rgba(15,16,32,0.16);
}

.screenshots{
  background:var(--card);
  border-radius:var(--radius-md);
  padding:36px clamp(18px,5vw,42px);
  border:1px solid rgba(15,16,32,0.05);
  box-shadow:0 20px 44px rgba(15,16,32,0.14);
  display:flex;
  flex-direction:column;
  gap:24px;
}

.screenshot-tabs{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.screenshot-tab{
  appearance:none;
  border:none;
  border-radius:999px;
  padding:10px 18px;
  font-weight:600;
  font-size:14px;
  background:rgba(255,255,255,0.72);
  color:var(--text);
  cursor:pointer;
  transition:background .2s ease,box-shadow .2s ease,transform .2s ease,color .2s ease;
}

.screenshot-tab:hover,
.screenshot-tab:focus-visible{
  background:#fff;
  transform:translateY(-1px);
  box-shadow:0 8px 20px rgba(15,16,32,0.12);
}

.screenshot-tab.is-active{
  background:linear-gradient(120deg,var(--accent) 0%,var(--accent-soft) 100%);
  color:#fff;
  box-shadow:0 10px 24px rgba(107,122,255,0.38);
}

.screenshot-panel{
  width:100%;
  margin-top:4px;
}

.screenshot-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:16px;
}

.screenshot-grid img,
.screenshot-grid video{
  width:100%;
  border-radius:20px;
  border:1px solid rgba(15,16,32,0.08);
  background:#fff;
  box-shadow:0 16px 24px rgba(15,16,32,0.12);
}

.footer{
  width:100%;
  max-width:1180px;
  margin-top:auto;
  padding:24px 28px;
  background:rgba(255,255,255,0.78);
  border-radius:var(--radius-md);
  border:1px solid rgba(15,16,32,0.05);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  color:var(--muted);
  font-size:14px;
  text-align:center;
}

.footer-link{
  font-weight:600;
  color:var(--accent);
}

.page-hero{
  background:var(--card);
  border-radius:var(--radius-md);
  border:1px solid rgba(15,16,32,0.05);
  box-shadow:0 18px 40px rgba(15,16,32,0.12);
  padding:40px clamp(22px,5vw,48px);
  display:flex;
  flex-direction:column;
  gap:16px;
}

.page-hero h1{
  margin:0;
  font-size:clamp(30px,4vw,38px);
  font-weight:800;
}

.page-hero p{
  margin:0;
  color:var(--muted);
  font-size:17px;
}

.doc{
  background:rgba(255,255,255,0.9);
  border-radius:var(--radius-md);
  border:1px solid rgba(15,16,32,0.06);
  box-shadow:0 16px 40px rgba(15,16,32,0.12);
  padding:40px clamp(22px,5vw,52px);
  display:flex;
  flex-direction:column;
  gap:28px;
}

.doc-section{
  display:flex;
  flex-direction:column;
  gap:12px;
}

.doc-section h2{
  margin:0;
  font-size:22px;
}

.doc-section p{
  margin:0;
  color:var(--muted);
  font-size:16px;
  line-height:1.65;
}

.doc-list{
  margin:0;
  padding-left:24px;
  display:flex;
  flex-direction:column;
  gap:8px;
  color:var(--muted);
  font-size:16px;
  line-height:1.6;
}

.doc-link{
  color:var(--accent);
  font-weight:600;
}

.support-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:22px;
}

.support-card{
  background:var(--card-solid);
  border-radius:22px;
  border:1px solid rgba(15,16,32,0.08);
  padding:24px;
  box-shadow:0 16px 34px rgba(15,16,32,0.1);
  display:flex;
  flex-direction:column;
  gap:12px;
}

.support-card h3{
  margin:0;
  font-size:18px;
}

.support-card p,
.support-card li{
  margin:0;
  color:var(--muted);
  font-size:15px;
  line-height:1.6;
}

.support-card ul{
  margin:0;
  padding-left:20px;
  display:flex;
  flex-direction:column;
  gap:8px;
}

.support-meta{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-top:12px;
  color:var(--muted);
  font-size:15px;
}

.doc-actions{
  margin-top:8px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

@media (max-width:900px){
  .navbar{
    flex-wrap:wrap;
    justify-content:center;
  }

  .brand{
    order:-1;
  }
}

@media (max-width:700px){
  .hero{
    padding:42px 22px;
  }

  .device{
    width:200px;
  }

  .device-back{
    transform:translate(-110px,-30px) rotate(-12deg);
  }

  .device-mid{
    transform:translate(10px,-50px) rotate(8deg);
  }

  .device-front{
    transform:translate(-10px,20px) rotate(-4deg);
  }
}

@media (max-width:560px){
  .navbar{
    flex-direction:column;
    align-items:center;
    gap:16px;
  }

  .nav-links{
    width:100%;
    justify-content:center;
    gap:14px;
    max-width:420px;
  }

  .hero{
    grid-template-columns:1fr;
  }

  .hero-copy{
    align-items:center;
    text-align:center;
  }

  .badge{
    align-self:center;
  }

  .hero-cta{
    width:100%;
    justify-content:center;
  }

  .hero-list{
    padding:0;
    list-style-position:inside;
    align-items:center;
    gap:10px;
  }

  .hero-list li{
    max-width:320px;
  }

  .hero-visual{
    min-height:260px;
    display:flex;
    align-items:flex-end;
    justify-content:center;
    gap:12px;
    padding-bottom:12px;
  }

  .device{
    position:relative;
    transform:none;
    opacity:1;
    width:190px;
    box-shadow:0 16px 26px rgba(15,16,32,0.16);
  }

  .device-back,
  .device-front{
    transform:none;
  }

  .device-back,
  .device-mid{
    display:none;
  }

  .cta-card{
    padding:32px 22px;
  }

  .feature-card{
    padding:20px;
  }

  .gallery{
    gap:16px;
  }
}

@media (max-width:460px){
  .page{
    padding:24px 16px 40px;
  }

  .navbar{
    align-items:center;
    gap:16px;
  }

  .nav-links{
    flex-direction:column;
    align-items:center;
    gap:10px;
    justify-content:center;
  }

  .language-switcher select{
    width:100%;
  }

  .hero{
    padding:34px 18px;
    gap:36px;
  }

  .hero-title{
    font-size:30px;
  }

  .hero-sub{
    font-size:16px;
  }

  .btn{
    width:100%;
  }

  .hero-visual{
    min-height:220px;
  }

  .device{
    width:170px;
  }

  .gallery{
    grid-template-columns:1fr;
  }

  .page-hero{
    padding:32px 20px;
  }

  .doc{
    padding:32px 20px;
  }

  .footer{
    padding:20px;
  }
}