@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@600;700;800&family=Inter:wght@400;500;600&display=swap');

:root{
  --bg:#0c0c0e;
  --surface:#18181b;
  --surface-2:#212124;
  --surface-3:#2a2a2f;
  --border-soft:rgba(255,255,255,.08);
  --text:#f5f5f7;
  --text-dim:#b4b4bc;
  --text-mute:#84848d;
  --gold:#f2b93b;
  --teal:#17c9a0;
  --grad-gold:linear-gradient(135deg,#ffd166,#f2b93b 55%,#e0921f);
  --grad-teal:linear-gradient(135deg,#28e0b0,#0fa584);
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 8px 30px rgba(0,0,0,.5);
  --shadow-sm:0 2px 10px rgba(0,0,0,.35);
  --ease:.25s cubic-bezier(.25,.8,.25,1);
  --font-head:'Poppins',-apple-system,BlinkMacSystemFont,sans-serif;
  --font-body:'Inter',-apple-system,BlinkMacSystemFont,Roboto,sans-serif;
}

*{box-sizing:border-box;}
body{
  margin:0;
  background:
    radial-gradient(ellipse 900px 500px at 20% -10%,rgba(242,185,59,.08),transparent 60%),
    radial-gradient(ellipse 800px 500px at 90% 10%,rgba(23,201,160,.07),transparent 55%),
    var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.6;
}
h1,h2{font-family:var(--font-head);margin:0 0 10px;}
a{color:var(--teal);}
.wrapper{max-width:640px;margin:0 auto;padding:0 18px 40px;}
@media (min-width:900px){
  .wrapper{max-width:820px;}
}
@media (min-width:1200px){
  .wrapper{max-width:920px;}
}

/* ---------- header ---------- */
.site-header{padding:16px 20px;border-bottom:1px solid var(--border-soft);background:rgba(12,12,14,.7);backdrop-filter:blur(10px);}
.header-inner{max-width:640px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;}
@media (min-width:900px){
  .header-inner{max-width:820px;}
}
@media (min-width:1200px){
  .header-inner{max-width:920px;}
}
.logo img{height:34px;}
.logo-text{font-family:var(--font-head);font-weight:800;font-size:1.3em;color:var(--gold);}
.header-nav{display:flex;gap:16px;}
.header-nav a{color:var(--text-dim);font-size:.85em;font-weight:600;}
.header-nav a:hover{color:var(--gold);}

/* ---------- hero ---------- */
.hero{text-align:center;padding:48px 0 28px;}
.hero-logo{height:72px;margin-bottom:16px;}
.hero h1{font-size:clamp(1.8em,6vw,2.4em);background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-tagline{color:var(--text-dim);font-size:1.02em;margin-bottom:30px;}

.cta-box{margin-bottom:16px;}
.btn-visit{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--grad-gold);color:#161200;font-weight:800;font-family:var(--font-head);
  font-size:1.1em;padding:16px 32px;border-radius:30px;
  box-shadow:0 10px 30px rgba(242,185,59,.35);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.btn-visit:hover{transform:translateY(-3px);box-shadow:0 14px 36px rgba(242,185,59,.45);}

.btn-download{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--surface-2);border:1px solid var(--border-soft);color:var(--text);font-weight:700;font-family:var(--font-head);
  font-size:1em;padding:14px 28px;border-radius:30px;margin-left:12px;margin-top:10px;
  transition:all .25s var(--ease);cursor:pointer;text-decoration:none;
}
.btn-download i{color:var(--teal);}
.btn-download:hover{background:var(--surface-3);border-color:var(--teal);transform:translateY(-3px);}

.redirect-note{margin-top:14px;color:var(--text-mute);font-size:.85em;}
.redirect-note #countdown{color:var(--gold);font-weight:700;}
.redirect-note button{background:none;border:none;color:var(--teal);font-weight:600;cursor:pointer;font-size:inherit;padding:0;text-decoration:underline;}

.last-updated{color:var(--text-mute);font-size:.82em;margin-top:20px;}
.last-updated i{color:var(--teal);margin-right:5px;}

/* ---------- info cards ---------- */
.info-card{
  background:linear-gradient(155deg,#1d1d21,#151517);
  border:1px solid var(--border-soft);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:26px 24px;
  margin-bottom:20px;
}
.info-card h1,.info-card h2{font-size:1.2em;display:flex;align-items:center;gap:10px;}
.info-card h1 i,.info-card h2 i{color:var(--gold);}
.info-card h3{font-size:.98em;color:var(--gold);margin:18px 0 6px;font-family:var(--font-head);}
.info-card ul{margin:0 0 12px;padding-left:20px;color:var(--text-dim);font-size:.94em;}
.info-card ul li{margin-bottom:8px;line-height:1.55;}
.info-card strong{color:var(--text);}
.brand-highlight{color:var(--gold);font-weight:700;}
.info-card p{color:var(--text-dim);font-size:.94em;}
.info-card p a{color:var(--teal);}

.keyword-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;padding-top:16px;border-top:1px solid var(--border-soft);}
.keyword-tag{background:var(--surface-2);border:1px solid var(--border-soft);color:var(--text-mute);font-size:.78em;padding:5px 12px;border-radius:20px;}

kbd{background:var(--surface-3);border:1px solid var(--border-soft);border-radius:5px;padding:3px 8px;font-family:var(--font-head);font-size:.85em;box-shadow:0 2px 0 rgba(0,0,0,.3);}

/* ---------- bookmark popup modal ---------- */
.bookmark-modal-overlay{
  position:fixed;inset:0;z-index:1000;
  background:rgba(0,0,0,.6);backdrop-filter:blur(4px);
  display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.bookmark-modal-overlay.is-open{opacity:1;visibility:visible;}
.bookmark-modal{
  position:relative;width:100%;max-width:400px;
  background:linear-gradient(155deg,#1d1d21,#151517);
  border:1px solid var(--border-soft);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:28px 24px 24px;
  transform:translateY(10px);transition:transform .25s var(--ease);
}
.bookmark-modal-overlay.is-open .bookmark-modal{transform:translateY(0);}
.bookmark-modal h3{font-size:1.1em;display:flex;align-items:center;gap:8px;margin:0 0 10px;}
.bookmark-modal h3 i{color:var(--gold);}
.bookmark-modal p{color:var(--text-dim);font-size:.9em;margin:0 0 16px;}
.bookmark-modal-close{
  position:absolute;top:14px;right:16px;background:none;border:none;
  color:var(--text-mute);font-size:1.6em;line-height:1;cursor:pointer;padding:0;
}
.bookmark-modal-close:hover{color:var(--text);}
.bookmark-modal-list{list-style:none;margin:0 0 18px;padding:0;display:flex;flex-direction:column;gap:8px;}
.bookmark-modal-list li{
  display:flex;align-items:center;gap:8px;background:var(--surface-2);
  border:1px solid var(--border-soft);border-radius:var(--radius-sm);
  padding:10px 14px;font-size:.88em;color:var(--text-dim);
}
.bookmark-modal-list li i{color:var(--teal);}

.btn-copy{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--surface-2);border:1px solid var(--border-soft);color:var(--text);
  font-weight:600;font-size:.9em;padding:11px 18px;border-radius:var(--radius-sm);
  cursor:pointer;transition:all .2s var(--ease);text-decoration:none;
}
.btn-copy:hover{background:var(--surface-3);border-color:var(--gold);}
.btn-copy.copied{border-color:var(--teal);color:var(--teal);}

.contact-links{display:flex;flex-direction:column;gap:10px;margin-top:14px;}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--border-soft);padding:4px 0;}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{padding:12px 0;font-weight:600;font-size:.92em;cursor:pointer;color:var(--text);list-style:none;display:flex;justify-content:space-between;align-items:center;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:1.2em;color:var(--gold);margin-left:10px;}
.faq-item[open] summary::after{content:"−";}
.faq-item p{padding:0 0 14px;margin:0;}

/* ---------- footer ---------- */
.site-footer{text-align:center;padding:30px 20px;border-top:1px solid var(--border-soft);}
.site-footer nav{display:flex;justify-content:center;gap:14px;margin-bottom:12px;}
.site-footer nav a{color:var(--text-dim);font-size:.85em;font-weight:600;}
.site-footer nav a:hover{color:var(--gold);}
.site-footer p{color:var(--text-mute);font-size:.78em;margin:4px 0;}
.disclaimer-note{max-width:420px;margin:0 auto;}

@media (max-width:480px){
  .btn-visit{width:100%;justify-content:center;padding:15px 20px;}
  .btn-download{width:100%;justify-content:center;margin-left:0;padding:14px 20px;}
  .header-nav{gap:10px;}
}