:root{
  --primary-gradient: linear-gradient(135deg, #4a3f8a 0%, #8b7ed8 50%, #ff6b6b 100%);
  --dark-bg:#131122;
  --dark-container:#212121;
  --dark-item:#303030;
  --dark-text:#E7E6F1;
  --dark-text-secondary:#bdbdbd;
  --accent-purple:#8b7ed8;
  --accent-coral:#ff6b6b;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background:var(--dark-bg);
  color:var(--dark-text);
  line-height:1.6;
}

.container{ max-width:1200px; margin:0 auto; padding:0 20px; }

.site-header{
  position:fixed;
  top:0;
  width:100%;
  z-index:1000;
  background:rgba(33,33,33,.95);
  backdrop-filter: blur(10px);
  border-bottom:1px solid rgba(139,126,216,.2);
}

.nav{
  display:grid;
  grid-template-columns: 1fr auto 1fr;
  align-items:center;
  gap:16px;
  padding:14px 0;
}

.logo{
  justify-self:start;
  display:flex;
  gap:12px;
  align-items:center;
  font-size:22px;
  font-weight:800;
}

.logo-icon{
  width:40px;
  height:40px;
  border-radius:12px;
  background-image:url('../logo.png');
  background-size:contain;
  background-repeat:no-repeat;
  background-position:center;
}

.nav-links{
  justify-self:center;
  display:flex;
  align-items:center;
  list-style:none;
  gap:24px;
}

.nav-links a{
  color:var(--dark-text-secondary);
  text-decoration:none;
  font-weight:700;
}

.nav-links a:hover{ color:var(--accent-purple); }

.store-btn{
  justify-self:end;
  text-decoration:none;
  font-weight:900;
  color:white;
  padding:10px 14px;
  border-radius:10px;
  background:linear-gradient(45deg, var(--accent-purple), var(--accent-coral));
}

.store-btn:hover{ filter:brightness(1.05); }

.hero{
  padding:120px 0 70px;
  text-align:center;
  position:relative;
}

.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background: radial-gradient(ellipse at center, rgba(139,126,216,0.12) 0%, transparent 70%);
  pointer-events:none;
}

.hero h1{
  font-size:3.1rem;
  margin-bottom:14px;
  background:var(--primary-gradient);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

.hero p{
  max-width:820px;
  margin:0 auto 22px;
  color:var(--dark-text-secondary);
  font-size:1.12rem;
}

.hero-actions{
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
}

.availability-note{
  margin-top:16px;
  font-size:.95rem;
  opacity:.92;
}

.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:14px 18px;
  border-radius:12px;
  text-decoration:none;
  font-weight:900;
  color:white;
  background:var(--primary-gradient);
}

.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 30px rgba(139,126,216,.35);
}

.btn-secondary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:14px 18px;
  border-radius:12px;
  text-decoration:none;
  font-weight:900;
  color:var(--dark-text);
  border:2px solid var(--accent-purple);
  background:transparent;
}

.btn-secondary:hover{
  background:var(--accent-purple);
}

.features, .download{ background:var(--dark-container); padding:80px 0; }
.preview{ padding:80px 0; }

h2{
  font-size:2.35rem;
  margin-bottom:12px;
  text-align:center;
}

.preview p, .download p{
  text-align:center;
  color:var(--dark-text-secondary);
  margin-bottom:20px;
}

.features-grid{
  margin-top:40px;
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap:26px;
}

.feature-card{
  background:var(--dark-item);
  border:1px solid rgba(139,126,216,.12);
  border-radius:16px;
  padding:28px;
}

.feature-card:hover{
  transform:translateY(-3px);
  box-shadow:0 14px 40px rgba(0,0,0,.28);
  transition:.2s;
}

.feature-icon{
  width:56px;
  height:56px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:var(--primary-gradient);
  margin-bottom:12px;
  font-size:22px;
}

.feature-card h3{
  font-size:1.35rem;
  margin-bottom:10px;
}

.feature-card p{ color:var(--dark-text-secondary); }

.feature-card.coming-soon{
  border:2px solid var(--accent-coral);
  position:relative;
}

.feature-card.coming-soon::before{
  content:"Coming Soon";
  position:absolute;
  top:-12px;
  right:16px;
  background:var(--accent-coral);
  color:white;
  padding:6px 10px;
  border-radius:999px;
  font-weight:900;
  font-size:12px;
}

.feature-list{ margin-top:12px; list-style:none; }

.feature-list li{
  color:var(--dark-text-secondary);
  padding-left:18px;
  margin-bottom:6px;
  position:relative;
}

.feature-list li::before{
  content:"✓";
  color:var(--accent-purple);
  position:absolute;
  left:0;
  font-weight:900;
}

.search-types{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(170px,1fr));
  gap:10px;
  margin-top:14px;
}

.search-type{
  padding:10px 12px;
  border-radius:10px;
  background:rgba(139,126,216,.1);
  border-left:4px solid var(--accent-purple);
  font-weight:800;
}

.ai-badge{
  background: linear-gradient(45deg, #ff6b6b, #ffa500);
  color:#fff;
  padding:3px 8px;
  border-radius:999px;
  font-size:10px;
  font-weight:900;
  vertical-align:middle;
}

.features-toggle{
  margin:28px auto 0;
  display:none;
}

.theme-switcher{
  display:flex;
  gap:10px;
  justify-content:center;
  margin:20px 0 22px;
}

.theme-btn{
  border:2px solid var(--accent-purple);
  background:transparent;
  color:var(--dark-text);
  font-weight:900;
  border-radius:10px;
  padding:10px 14px;
  cursor:pointer;
}

.theme-btn.active,
.theme-btn:hover{
  background:var(--accent-purple);
  color:#fff;
}

.gallery-wrap{
  position:relative;
  max-width:1000px;
  margin:0 auto;
  padding:0 44px;
}

.gallery{
  display:grid;
  grid-auto-flow:column;
  grid-auto-columns: minmax(260px, 1fr);
  gap:14px;
  overflow-x:auto;
  overscroll-behavior-x: contain;
  scroll-snap-type:x mandatory;
  scroll-behavior:smooth;
  padding:10px;
  border-radius:16px;
  border:1px solid rgba(139,126,216,.18);
  background: rgba(139,126,216,.05);
}

.gallery::-webkit-scrollbar{ height:10px; }
.gallery::-webkit-scrollbar-thumb{ background:rgba(139,126,216,.35); border-radius:999px; }
.gallery::-webkit-scrollbar-track{ background:rgba(0,0,0,.12); border-radius:999px; }

.gallery-item{
  scroll-snap-align:center;
  border-radius:14px;
  overflow:hidden;
  background:rgba(0,0,0,.2);
  border:1px solid rgba(255,255,255,.06);
}

.gallery-item img{
  width:100%;
  height:100%;
  max-height:560px;
  object-fit:contain;
  display:block;
  background: rgba(0,0,0,.15);
}

.gallery-nav{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:38px;
  height:38px;
  border-radius:999px;
  border:1px solid rgba(139,126,216,.4);
  background:rgba(33,33,33,.75);
  color:#fff;
  font-size:26px;
  line-height:1;
  cursor:pointer;
}

.gallery-nav.prev{ left:6px; }
.gallery-nav.next{ right:6px; }
.gallery-nav:hover{ filter:brightness(1.12); }

.gallery-status{
  margin-top:10px;
  text-align:center;
  color:var(--dark-text-secondary);
  font-size:.95rem;
}

.download .container{
  display:flex;
  flex-direction:column;
  align-items:center;
}

.download .btn-primary{ margin-top:10px; }

.coming-soon-callout{
  margin:22px auto 0;
  max-width:900px;
  padding:16px;
  border-radius:14px;
  background:rgba(139,126,216,.06);
  border:1px solid rgba(139,126,216,.18);
  text-align:center;
}

.coming-soon-title{
  color:var(--accent-coral);
  font-weight:900;
  margin-bottom:6px;
}

.coming-soon-items{
  color:var(--dark-text-secondary);
  font-weight:800;
}

.footer{
  padding:34px 0;
  border-top:1px solid rgba(139,126,216,.2);
  text-align:center;
  color:var(--dark-text-secondary);
}

.lightbox{
  position: fixed;
  inset: 0;
  z-index: 2000;
}

.lightbox[hidden]{ display:none; }

.lightbox-backdrop{
  position:absolute;
  inset:0;
  background: rgba(10, 10, 18, 0.78);
  backdrop-filter: blur(6px);
}

.lightbox-dialog{
  position:relative;
  z-index:1;
  width: min(1100px, calc(100% - 28px));
  height: min(85vh, 820px);
  margin: 7vh auto 0;
  display:grid;
  place-items:center;
  border-radius:16px;
  background: rgba(16, 16, 28, 0.72);
  border: 1px solid rgba(139,126,216,.25);
  box-shadow: 0 30px 120px rgba(0,0,0,.6);
  overflow:hidden;
}

.lightbox-image{
  width:100%;
  height:100%;
  object-fit:contain;
  background: rgba(0,0,0,.2);
}

.lightbox-close,
.lightbox-nav{
  position:absolute;
  border-radius:999px;
  border: 1px solid rgba(139,126,216,.35);
  background: rgba(20,20,32,.7);
  color:#fff;
  cursor:pointer;
}

.lightbox-close{
  top:10px;
  right:12px;
  width:42px;
  height:42px;
  font-size:26px;
}

.lightbox-nav{
  top:50%;
  transform:translateY(-50%);
  width:42px;
  height:42px;
  font-size:28px;
}

.lightbox-nav.prev{ left:10px; }
.lightbox-nav.next{ right:10px; }

.lightbox-close:hover,
.lightbox-nav:hover{ filter: brightness(1.12); }

@media (max-width: 780px){
  .nav{
    grid-template-columns: 1fr auto;
  }
  .nav-links{ display:none; }

  .hero{ padding:110px 0 56px; }
  .hero h1{ font-size:2.35rem; }
  .hero p{ font-size:1.05rem; }

  .features, .preview, .download{ padding:64px 0; }
  h2{ font-size:2rem; }

  .gallery-wrap{ padding:0 10px; }
  .gallery-nav{ display:none; }

  .lightbox-dialog{
    width: calc(100% - 18px);
    height: 78vh;
    margin-top: 10vh;
  }
}

@media (max-width: 520px){
  .gallery{ grid-auto-columns: 88%; }
}