/* ============================================================
   Wallpaper Gallery — landing styles
   Violet premium dark theme, fully responsive.
   System fonts only for fast Core Web Vitals. No external assets.
   ============================================================ */

:root{
  --brand:#8b5cf6;
  --brand-2:#a855f7;
  --brand-600:#7c3aed;
  --brand-700:#6d28d9;
  --ink:#1a0b2e;            /* dark text used on violet buttons */
  --bg:#0e0b1a;
  --bg-2:#130f22;
  --card:#191331;
  --card-2:#211a40;
  --line:#2e2650;
  --text:#efeafc;
  --muted:#b3a9d4;
  --white:#ffffff;
  --radius:16px;
  --radius-lg:22px;
  --shadow:0 10px 30px rgba(0,0,0,.4);
  --shadow-violet:0 14px 40px rgba(139,92,246,.35);
  --maxw:1160px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--text);
  background:var(--bg);line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(2rem,5.2vw,3.15rem)}
h2{font-size:clamp(1.55rem,3.6vw,2.25rem)}
p{margin:0 0 1rem}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section--tight{padding:48px 0}
.eyebrow{color:var(--brand);font-weight:700;text-transform:uppercase;letter-spacing:.09em;font-size:.82rem;margin:0 0 .6rem}
.lead{color:var(--muted);font-size:1.12rem;max-width:62ch}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;font-weight:700;
  padding:14px 22px;border-radius:999px;border:1px solid transparent;cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;font-size:1rem}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:var(--shadow-violet)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{background:rgba(255,255,255,.05);color:var(--text);border-color:var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.1)}

/* Official Google Play badge */
.gp-link{display:inline-flex;line-height:0}
.gp-link:hover{text-decoration:none}
.gp-badge{height:76px;width:auto;display:block;transition:transform .15s ease}
.gp-badge:hover{transform:translateY(-2px)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);
  background:rgba(14,11,26,.72);border-bottom:1px solid transparent;transition:border-color .2s,background .2s}
.site-header.scrolled{border-bottom-color:var(--line);background:rgba(14,11,26,.92)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--text);font-size:1.12rem;white-space:nowrap;flex:none}
.brand:hover{text-decoration:none}
.brand .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;flex:none;box-shadow:0 4px 14px rgba(139,92,246,.5)}
.brand .logo svg{width:20px;height:20px;color:#fff}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:var(--muted);font-weight:600;font-size:.96rem}
.nav-links a:hover{color:var(--text);text-decoration:none}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:0;color:var(--text);cursor:pointer;padding:6px}
.nav-toggle svg{width:28px;height:28px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 44px}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(900px 520px at 80% -10%,rgba(168,85,247,.30),transparent 60%),
    radial-gradient(720px 520px at 6% 12%,rgba(139,92,246,.16),transparent 55%),
    linear-gradient(180deg,var(--bg),var(--bg-2))}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.hero h1 span{background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:1.18rem;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:24px;color:var(--muted);font-size:.92rem}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta svg{width:18px;height:18px;color:var(--brand)}

/* Hero collage of wallpaper tiles */
.hero-collage{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
  transform:rotate(-3deg)}
.hero-collage::after{content:"";position:absolute;width:320px;height:320px;left:50%;top:45%;
  transform:translate(-50%,-50%);border-radius:50%;z-index:-1;
  background:radial-gradient(circle,rgba(139,92,246,.45),transparent 70%);filter:blur(36px)}
.hero-collage img{width:100%;aspect-ratio:1/1.6;object-fit:cover;border-radius:14px;
  border:1px solid var(--line);box-shadow:0 16px 30px rgba(0,0,0,.5)}
.hero-collage .c-col{display:flex;flex-direction:column;gap:12px}
.hero-collage .c-col:nth-child(2){margin-top:-24px}
.hero-collage .c-col:nth-child(3){margin-top:14px}

/* ---------- Strip ---------- */
.strip{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip-row{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 34px;padding:22px 0}
.strip-row span{display:inline-flex;align-items:center;gap:9px;color:var(--muted);font-weight:600;font-size:.98rem}
.strip-row svg{width:20px;height:20px;color:var(--brand)}

/* ---------- App grid (home) ---------- */
.apps-toolbar{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin-top:34px}
.search{position:relative;flex:1;min-width:240px;max-width:420px}
.search input{width:100%;background:var(--card);border:1px solid var(--line);border-radius:999px;
  color:var(--text);font-size:.98rem;padding:12px 18px 12px 44px;outline:none;transition:border-color .15s}
.search input::placeholder{color:var(--muted)}
.search input:focus{border-color:var(--brand)}
.search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:19px;height:19px;color:var(--muted)}
.count{color:var(--muted);font-size:.92rem;font-weight:600}

.app-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:22px;margin-top:26px}
.app-card{display:flex;flex-direction:column;background:linear-gradient(180deg,var(--card),var(--card-2));
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.app-card:hover{transform:translateY(-6px);border-color:rgba(139,92,246,.6);box-shadow:var(--shadow-violet)}
.app-card .thumb{aspect-ratio:1/1;overflow:hidden;background:#0c0a16}
.app-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.app-card:hover .thumb img{transform:scale(1.06)}
.app-card .body{padding:16px 17px 18px;display:flex;flex-direction:column;flex:1}
.app-card h3{font-size:1.05rem;margin:0 0 .3em;letter-spacing:-.01em}
.app-card p{color:var(--muted);font-size:.9rem;margin:0 0 14px;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.app-card .go{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:.9rem}
.app-card:hover .go{gap:9px}
.app-card .go svg{width:16px;height:16px;transition:transform .18s}
.no-results{color:var(--muted);text-align:center;padding:40px 0;display:none}

/* ---------- Features ---------- */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-top:40px}
.card{background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;transition:transform .18s ease,border-color .18s}
.card:hover{transform:translateY(-4px);border-color:rgba(139,92,246,.5)}
.card .ico{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  background:rgba(139,92,246,.15);border:1px solid rgba(139,92,246,.32);margin-bottom:16px}
.card .ico svg{width:26px;height:26px;color:var(--brand)}
.card h3{font-size:1.16rem;margin-bottom:.4em}
.card p{color:var(--muted);margin:0;font-size:.98rem}

/* ---------- App detail page ---------- */
.app-hero{position:relative;overflow:hidden;padding:36px 0 8px}
.app-hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(760px 420px at 82% -25%,rgba(168,85,247,.20),transparent 60%),linear-gradient(180deg,var(--bg),var(--bg-2))}
.app-panel{display:grid;grid-template-columns:220px 1fr;gap:38px;align-items:center;
  background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:36px 40px;box-shadow:var(--shadow)}
.app-panel .icon{width:220px;height:220px;border-radius:44px;object-fit:cover;border:1px solid var(--line);
  box-shadow:0 18px 38px rgba(0,0,0,.55)}
.app-info h1{font-size:clamp(1.55rem,3.3vw,2.2rem);margin-bottom:.28em}
.app-info .tag{color:var(--muted);font-size:1.02rem;margin-bottom:20px;max-width:66ch}
.app-cta{display:flex;flex-wrap:wrap;gap:14px 22px;align-items:center}
.app-badges{display:flex;flex-wrap:wrap;gap:8px}
.badge{display:inline-flex;align-items:center;gap:6px;background:rgba(139,92,246,.12);
  border:1px solid rgba(139,92,246,.3);color:var(--text);border-radius:999px;padding:6px 14px;font-size:.82rem;font-weight:600}

.article{max-width:820px;margin:0 auto;padding:26px 0 10px}
.article h2{font-size:1.5rem;margin:1.9rem 0 .6em}
.article h3{font-size:1.2rem;margin:1.4rem 0 .5em}
.article p,.article li{color:#d7cff0}
.article ul,.article ol{padding-left:1.3rem;margin:0 0 1.1rem}
.article li{margin-bottom:.55rem}
.article strong{color:var(--text)}
.article .lead-line{font-size:1.14rem;color:var(--muted)}

.dl-bar{display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center;
  background:linear-gradient(135deg,var(--card),var(--card-2));border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:32px 28px;margin:34px auto;max-width:640px}
.dl-bar b{font-size:1.25rem;display:block;margin-bottom:3px}
.dl-bar span{color:var(--muted);font-size:.95rem}

/* ---------- Related apps ---------- */
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:16px;margin-top:26px}
.related-grid .app-card h3{font-size:.95rem}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:34px auto 0}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden}
.faq details:last-child{margin-bottom:0}
.faq details[open]{border-color:rgba(139,92,246,.5)}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:700;font-size:1.05rem;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--brand);font-size:1.5rem;font-weight:400;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);padding:0 22px 20px;margin:0}

/* ---------- CTA ---------- */
.cta-section{padding:20px 0}
.cta{position:relative;overflow:hidden;text-align:center;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-2));border-radius:28px;padding:52px 30px;margin:0 20px}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.92);max-width:54ch;margin-left:auto;margin-right:auto}
.cta .btn-play{background:#12081f;border-color:transparent}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:52px 0 30px;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:34px 40px;align-items:start}
.footer-brand{max-width:360px}
.footer-brand .brand{margin-bottom:12px}
.footer-brand p{color:var(--muted);font-size:.92rem}
.footer-col h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 14px}
.footer-col a{display:block;color:var(--text);margin-bottom:9px;font-size:.95rem;font-weight:500}
.footer-col a:hover{color:var(--brand);text-decoration:none}
.footer-bottom{border-top:1px solid var(--line);margin-top:36px;padding-top:22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;color:var(--muted);font-size:.86rem}
.social{display:flex;gap:10px;margin-top:14px}
.social a{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:var(--card);border:1px solid var(--line);color:var(--muted);transition:.15s}
.social a:hover{color:#fff;border-color:var(--brand);background:var(--brand)}
.social svg{width:18px;height:18px}

/* ---------- Privacy index ---------- */
.pp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:12px;margin-top:28px}
.pp-item{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);
  border-radius:12px;padding:14px 16px;color:var(--text);font-weight:600;font-size:.95rem;transition:transform .15s,border-color .15s}
.pp-item:hover{border-color:var(--brand);text-decoration:none;transform:translateY(-2px)}
.pp-item svg{width:18px;height:18px;color:var(--brand);flex:none}
.pp-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pp-note{display:inline-flex;align-items:center;gap:8px;margin:18px 0 4px;color:var(--muted);font-size:.92rem}
.pp-note svg{width:17px;height:17px;color:var(--brand)}

/* ---------- Legal / privacy page ---------- */
.legal{max-width:820px;margin:0 auto;padding:48px 0 20px}
.legal h1{margin-bottom:.2em}
.legal .updated{color:var(--muted);font-style:italic;margin-bottom:2rem}
.legal h2,.legal h3{font-size:1.28rem;margin:2rem 0 .6em;color:var(--text);letter-spacing:-.01em}
.legal p,.legal li{color:var(--muted)}
.legal ul{padding-left:1.2rem}
.legal li{margin-bottom:.5rem}
.legal a{word-break:break-word}
.back-link{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-weight:600;margin-bottom:18px}
.back-link:hover{color:var(--brand);text-decoration:none}
.back-link svg{width:18px;height:18px}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:24px;text-align:center}
  .hero .lead{margin-left:auto;margin-right:auto}
  .hero-cta{justify-content:center}
  .hero-meta{justify-content:center}
  .hero-visual{order:-1}
  .hero-collage{max-width:360px;margin:0 auto}
  .app-panel{grid-template-columns:1fr;text-align:center;gap:20px;justify-items:center;padding:28px 22px}
  .app-info .tag{margin-left:auto;margin-right:auto}
  .app-cta{justify-content:center}
  .app-badges{justify-content:center}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1;max-width:none}
}
@media (max-width:720px){
  .nav{gap:10px}
  .nav-right{gap:10px}
  .nav-right .btn-primary{display:none}
  .nav-links{display:none}
  .nav-toggle{display:block}
  .site-header.open .nav-links{display:flex;position:absolute;top:66px;left:0;right:0;
    flex-direction:column;gap:0;background:var(--bg-2);border-bottom:1px solid var(--line);padding:8px 20px 18px}
  .site-header.open .nav-links > a{padding:12px 0;border-bottom:1px solid var(--line);width:100%}
  .section{padding:56px 0}
  .cta{padding:40px 22px;margin:0}
  .gp-badge{height:72px}
  .site-footer{margin-top:56px}
  .hero-meta{gap:10px 16px}
  .dl-bar{padding:20px}
}
/* Mobile: compact 2-column app grid (tighter, less scrolling) */
@media (max-width:560px){
  .app-grid{grid-template-columns:repeat(2,1fr);gap:12px;margin-top:20px}
  .app-card{border-radius:14px}
  .app-card .body{padding:10px 12px 12px}
  .app-card h3{font-size:.9rem;margin:0;letter-spacing:-.01em}
  .app-card p{display:none}
  .app-card .go{display:none}
  .apps-toolbar{margin-top:26px}
  /* footer: clean single-column stack on mobile */
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-brand{max-width:none}
  .footer-bottom{flex-direction:column;text-align:center;align-items:center;gap:10px;margin-top:30px}
}

@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}