/* ============================================================
   Topranks — design system
   ============================================================ */
:root{
  --bg:#07090d;
  --bg-2:#0a0d12;
  --bg-3:#0c1016;
  --panel:#0f141b;
  --card:#11161d;
  --card-2:#151b23;
  --border:#1c232d;
  --border-2:#232b36;
  --text:#f4f7fa;
  --muted:#8b95a4;
  --dim:#5d6775;
  --orange:#ff6a1f;
  --orange-2:#ff8c42;
  --orange-soft:rgba(255,106,31,.12);
  --orange-line:rgba(255,106,31,.28);
  --radius:14px;
  --radius-lg:20px;
  --maxw:1200px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.8);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  font-size:15px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{
  font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--orange);margin:0 0 14px;
}
h1,h2,h3{margin:0;letter-spacing:-.03em;line-height:1.1;font-weight:800}
.accent{color:var(--orange)}
.lede{color:var(--muted);font-size:15px;margin:14px 0 0;max-width:46ch}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,9,13,.82);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid var(--border);
}
.site-header .wrap{display:flex;align-items:center;gap:32px;height:66px}
.logo{font-size:19px;letter-spacing:-.04em;white-space:nowrap}
.logo b{font-weight:800}
.logo span{font-weight:400;color:var(--text)}
.nav{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav a{font-size:14px;color:var(--muted);transition:color .18s}
.nav a:hover,.nav a[aria-current="page"]{color:var(--text)}
.nav .has-menu{display:flex;align-items:center;gap:5px}
.nav .has-menu svg{width:11px;height:11px;opacity:.7}

.searchbox{
  margin-left:auto;position:relative;width:250px;max-width:34vw;
}
.searchbox input{
  width:100%;height:36px;border-radius:999px;
  background:var(--card);border:1px solid var(--border);
  color:var(--text);font-size:13px;padding:0 36px 0 34px;outline:none;
  transition:border-color .18s,background .18s;
}
.searchbox input::placeholder{color:var(--dim)}
.searchbox input:focus{border-color:var(--orange-line);background:var(--card-2)}
.searchbox .ic-l{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:13px;height:13px;color:var(--dim)}
.searchbox .ic-r{position:absolute;right:12px;top:50%;transform:translateY(-50%);width:13px;height:13px;color:var(--orange)}

/* dropdown */
.menu-wrap{position:relative}
.menu{
  position:absolute;top:calc(100% + 14px);left:-14px;min-width:230px;
  background:var(--panel);border:1px solid var(--border-2);border-radius:var(--radius);
  padding:7px;box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:.18s;
}
.menu-wrap:hover .menu,.menu-wrap:focus-within .menu{opacity:1;visibility:visible;transform:none}
.menu a{display:flex;justify-content:space-between;gap:12px;padding:8px 11px;border-radius:9px;font-size:13.5px;color:var(--muted)}
.menu a:hover{background:var(--card-2);color:var(--text)}
.menu a em{font-style:normal;font-size:11px;color:var(--dim)}
.menu a.live em{color:var(--orange)}

/* ---------- hero ---------- */
.hero{position:relative;padding:74px 0 96px;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-180px;right:-120px;width:820px;height:660px;
  background:radial-gradient(ellipse at center,rgba(255,106,31,.20),rgba(255,106,31,.05) 42%,transparent 68%);
  pointer-events:none;
}
.hero .wrap{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:56px;align-items:center}
.hero h1{font-size:clamp(32px,4.3vw,52px)}
.hero .lede{margin-top:18px}

.hero-search{
  display:flex;align-items:center;gap:10px;margin-top:30px;
  background:var(--card);border:1px solid var(--border-2);border-radius:12px;
  padding:7px 7px 7px 16px;max-width:520px;
}
.hero-search svg.mag{width:15px;height:15px;color:var(--dim);flex:none}
.hero-search input{flex:1;min-width:0;background:none;border:0;outline:none;color:var(--text);font-size:14px;height:40px}
.hero-search input::placeholder{color:var(--dim)}
.hero-search button{
  flex:none;width:42px;height:42px;border:0;border-radius:9px;
  background:var(--orange);color:#fff;display:grid;place-items:center;
  transition:background .18s,transform .18s;
}
.hero-search button:hover{background:var(--orange-2);transform:translateX(2px)}
.hero-search button svg{width:16px;height:16px}

/* hero visual */
.hero-visual{position:relative;min-height:330px;perspective:1400px}
.hv-stack{position:relative;width:100%;max-width:520px;margin-left:auto}
.hv-ghost{
  position:absolute;inset:26px 40px auto 0;height:210px;border-radius:16px;
  background:var(--card);border:1px solid var(--border);opacity:.55;
}
.hv-ghost.two{inset:14px 20px auto 14px;opacity:.8}
.hv-card{
  position:relative;border-radius:16px;overflow:hidden;
  border:1px solid var(--border-2);background:var(--card);
  box-shadow:0 30px 70px -24px rgba(0,0,0,.9);
  transform:translateY(34px);
}
.hv-card img{width:100%;height:250px;object-fit:cover;object-position:center 34%}
.hv-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(7,9,13,.92) 0%,rgba(7,9,13,.25) 45%,transparent 70%);
}
.hv-play{
  position:absolute;right:16px;top:50%;transform:translateY(-50%);z-index:2;
  width:38px;height:38px;border-radius:50%;background:var(--orange);
  display:grid;place-items:center;box-shadow:0 8px 24px rgba(255,106,31,.45);
}
.hv-play svg{width:13px;height:13px;color:#fff;margin-left:2px}
.hv-caption{position:absolute;left:18px;bottom:16px;z-index:2;font-size:14px;font-weight:700;letter-spacing:-.01em}

.hv-pill{
  position:absolute;left:-6px;top:-14px;z-index:4;
  display:flex;align-items:center;gap:11px;
  background:var(--card-2);border:1px solid var(--border-2);border-radius:12px;
  padding:10px 16px 10px 12px;box-shadow:var(--shadow);
}
.hv-pill .ico{width:26px;height:26px;display:grid;place-items:center;color:#0866ff;flex:none}
.hv-pill strong{display:block;font-size:13px;font-weight:700;letter-spacing:-.01em}
.hv-pill em{display:block;font-style:normal;font-size:11px;color:var(--dim)}

.hv-badges{position:absolute;right:-14px;bottom:-6px;z-index:4;display:grid;gap:8px}
.hv-badge{
  display:flex;align-items:center;gap:9px;white-space:nowrap;
  background:var(--card-2);border:1px solid var(--border-2);border-radius:10px;
  padding:8px 14px;font-size:12px;color:var(--muted);box-shadow:var(--shadow);
}
.hv-badge svg{width:13px;height:13px;color:var(--orange);flex:none}

/* ---------- sections ---------- */
.section{padding:82px 0;border-top:1px solid var(--border)}
.section.alt{background:var(--bg-2)}
.section-head{margin-bottom:38px}
.section-head h2{font-size:clamp(26px,3vw,34px)}
.section-head .lede{margin-top:12px}
.head-row{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}

.btn{
  display:inline-flex;align-items:center;gap:9px;
  border-radius:999px;padding:11px 20px;font-size:13.5px;font-weight:600;
  border:1px solid var(--border-2);background:var(--card);color:var(--text);
  transition:border-color .18s,background .18s,transform .18s;
}
.btn:hover{border-color:var(--orange-line);background:var(--card-2)}
.btn svg{width:13px;height:13px}
.btn-primary{background:var(--orange);border-color:var(--orange);color:#fff;padding:13px 24px;font-size:14px}
.btn-primary:hover{background:var(--orange-2);border-color:var(--orange-2);transform:translateY(-1px)}
.btn-block{display:flex;justify-content:center;width:100%;border-radius:12px;padding:14px;color:var(--muted)}
.btn-block:hover{color:var(--text)}

/* ---------- topic grid ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.topic-card{
  position:relative;display:block;padding:20px;border-radius:var(--radius);
  background:var(--card);border:1px solid var(--border);
  transition:border-color .2s,background .2s,transform .2s;
}
.topic-card:hover{border-color:var(--orange-line);background:var(--card-2);transform:translateY(-2px)}
.topic-card .ico{width:26px;height:26px;margin-bottom:34px}
.topic-card .ico svg{width:100%;height:100%}
.topic-card h3{font-size:14.5px;font-weight:600;letter-spacing:-.01em}
.topic-card p{margin:4px 0 0;font-size:12px;color:var(--dim)}
.topic-card .go{position:absolute;right:18px;bottom:18px;width:13px;height:13px;color:var(--dim);transition:color .2s,transform .2s}
.topic-card:hover .go{color:var(--orange);transform:translateX(3px)}
.topic-card.soon{opacity:.62}
.topic-card.soon:hover{transform:none;border-color:var(--border-2)}

/* ---------- ranking table ---------- */
.rank-panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-lg);padding:10px}
.rank-head,.rank-row{
  display:grid;
  grid-template-columns:38px minmax(0,1fr) 82px 92px 104px 30px;
  align-items:center;gap:14px;
}
.rank-head{padding:12px 16px 14px;font-size:11.5px;color:var(--dim);font-weight:500}
.rank-head span:nth-child(3),.rank-head span:nth-child(4),.rank-head span:nth-child(5){text-align:center}
.rank-row{
  padding:13px 16px;border-radius:12px;
  border:1px solid transparent;transition:background .18s,border-color .18s;
}
.rank-row+.rank-row{border-top:1px solid var(--border)}
.rank-row:hover{background:var(--card);border-color:var(--border-2)}
.rank-row:hover+.rank-row{border-top-color:transparent}
.rank-no{font-size:13px;color:var(--dim);font-variant-numeric:tabular-nums;text-align:center}
.rank-row:hover .rank-no{color:var(--orange)}

.creator{display:flex;align-items:center;gap:13px;min-width:0}
.creator img{width:42px;height:42px;border-radius:50%;flex:none;background:var(--card-2);object-fit:cover}
.creator .who{min-width:0}
.creator .nm{display:flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;letter-spacing:-.01em}
.creator .nm .flag{font-size:12px}
.creator .hd{font-size:11.5px;color:var(--dim);margin-top:1px}
.creator .bl{font-size:12px;color:var(--muted);margin:3px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tags{display:flex;gap:6px;margin-top:7px;flex-wrap:wrap}
.tag{
  font-size:10.5px;padding:2.5px 8px;border-radius:999px;
  background:var(--card-2);border:1px solid var(--border-2);color:#9ba6b4;white-space:nowrap;
}

.score{
  justify-self:center;min-width:62px;text-align:center;
  padding:6px 0;border-radius:9px;font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  background:linear-gradient(180deg,rgba(255,106,31,.22),rgba(255,106,31,.10));
  border:1px solid var(--orange-line);color:var(--orange-2);
}
.score.g-S{background:linear-gradient(180deg,rgba(255,106,31,.30),rgba(255,106,31,.14));color:#ffa066}
.score.g-B{background:rgba(255,255,255,.045);border-color:var(--border-2);color:#b9c3d0}
.score.g-C,.score.g-D,.score.g-F{background:rgba(255,255,255,.03);border-color:var(--border);color:var(--muted)}
.cell{text-align:center;font-size:13.5px;font-variant-numeric:tabular-nums}
.cell.sub{color:var(--text)}
.rank-row .go{width:13px;height:13px;color:var(--dim);justify-self:center;transition:color .2s,transform .2s}
.rank-row:hover .go{color:var(--orange);transform:translateX(3px)}
.rank-foot{padding:10px 6px 6px}

/* ---------- methodology ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;align-items:start}
.step{position:relative;padding-right:14px}
.step-top{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.step-no{
  width:22px;height:22px;border-radius:50%;flex:none;
  background:var(--orange);color:#fff;font-size:11.5px;font-weight:700;
  display:grid;place-items:center;
}
.step-ic{width:19px;height:19px;color:var(--muted)}
.step h3{font-size:15px;font-weight:700}
.step p{margin:7px 0 0;font-size:12.5px;color:var(--muted);line-height:1.55}
.step .arrow{position:absolute;right:-4px;top:1px;width:12px;height:12px;color:var(--dim)}
.step:last-child .arrow{display:none}

/* ---------- cta ---------- */
.cta{position:relative;overflow:hidden;border-top:1px solid var(--border);padding:86px 0}
.cta::before{
  content:"";position:absolute;right:-60px;bottom:-260px;width:900px;height:620px;
  background:radial-gradient(ellipse at center,rgba(255,106,31,.26),rgba(255,106,31,.07) 44%,transparent 70%);
  pointer-events:none;
}
.cta .wrap{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.92fr);gap:56px;align-items:center}
.cta h2{font-size:clamp(28px,3.4vw,40px);max-width:15ch}
.cta .btn-primary{margin-top:28px}

.cv{position:relative;min-height:280px}
.cv-stack{position:relative;max-width:440px;margin-left:auto}
.cv-ghost{position:absolute;inset:-18px 30px auto -18px;height:230px;border-radius:16px;background:var(--card);border:1px solid var(--border);opacity:.6;transform:rotate(-3deg)}
.cv-card{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--border-2);box-shadow:0 30px 70px -24px rgba(0,0,0,.9)}
.cv-card img{width:100%;height:280px;object-fit:cover;object-position:52% 26%}
.cv-card::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(255,106,31,.18),transparent 55%)}
.cv-facts{
  position:absolute;left:-40px;top:24px;z-index:3;display:grid;gap:9px;
  background:var(--card-2);border:1px solid var(--border-2);border-radius:13px;
  padding:14px 18px;box-shadow:var(--shadow);
}
.cv-facts div{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--muted);white-space:nowrap}
.cv-facts svg{width:13px;height:13px;color:var(--orange);flex:none}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--border);background:var(--bg-2);padding:34px 0 26px}
.foot-top{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.foot-nav{display:flex;gap:26px;margin-left:auto}
.foot-nav a{font-size:13.5px;color:var(--muted)}
.foot-nav a:hover{color:var(--text)}
.socials{display:flex;gap:14px}
.socials a{color:var(--dim);transition:color .18s}
.socials a:hover{color:var(--orange)}
.socials svg{width:15px;height:15px}
.foot-bot{
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-top:26px;padding-top:20px;border-top:1px solid var(--border);
  font-size:12px;color:var(--dim);
}

/* ---------- inner pages ---------- */
.page-head{padding:56px 0 34px}
.page-head h1{font-size:clamp(30px,4vw,44px)}
.crumbs{font-size:12.5px;color:var(--dim);margin-bottom:16px}
.crumbs a:hover{color:var(--orange)}
.statbar{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:30px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}
.stat b{display:block;font-size:22px;font-weight:800;letter-spacing:-.03em}
.stat span{font-size:11.5px;color:var(--dim)}

.prose{max-width:74ch}
.prose h2{font-size:22px;margin:38px 0 12px}
.prose h3{font-size:16px;margin:26px 0 8px}
.prose p,.prose li{color:var(--muted);font-size:14.5px}
.prose ul{padding-left:18px}
.prose li{margin:6px 0}
.prose strong{color:var(--text);font-weight:600}
.note{
  border-left:2px solid var(--orange);background:var(--orange-soft);
  padding:14px 18px;border-radius:0 10px 10px 0;margin:24px 0;
}
.note p{margin:0;color:#cdd5df;font-size:13.5px}

/* creator profile */
.profile{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}
.profile-id{display:flex;gap:18px;align-items:center;margin-bottom:8px}
.profile-id img{width:76px;height:76px;border-radius:50%;flex:none;object-fit:cover;background:var(--card-2)}
.sidecard{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px}
.sidecard h3{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);font-weight:700;margin-bottom:14px}
.kv{display:flex;justify-content:space-between;gap:14px;padding:8px 0;border-bottom:1px solid var(--border);font-size:13px}
.kv:last-child{border-bottom:0}
.kv span{color:var(--dim)}
.kv b{font-weight:600;font-variant-numeric:tabular-nums;text-align:right}
.vidlist{display:grid;gap:8px;margin-top:6px}
.vidlist li{list-style:none;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:11px 14px;font-size:13.5px;color:var(--muted)}
.gradebig{
  display:inline-flex;align-items:baseline;gap:10px;margin-top:4px;
  padding:8px 18px;border-radius:12px;
  background:linear-gradient(180deg,rgba(255,106,31,.24),rgba(255,106,31,.10));
  border:1px solid var(--orange-line);
}
.gradebig b{font-size:30px;font-weight:800;letter-spacing:-.03em;color:var(--orange-2)}
.gradebig span{font-size:12.5px;color:var(--muted)}

/* search results */
.noresult{color:var(--dim);font-size:14px;padding:18px 0}
mark{background:rgba(255,106,31,.22);color:var(--orange-2);border-radius:3px;padding:0 2px}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .hero .wrap,.cta .wrap{grid-template-columns:1fr;gap:54px}
  .hero-visual,.cv{min-height:0}
  .hv-stack,.cv-stack{margin:0 auto}
  .topic-grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:26px}
  .step .arrow{display:none}
  .profile{grid-template-columns:1fr}
}
@media (max-width:860px){
  .nav,.searchbox{display:none}
  .site-header .wrap{height:60px}
  .burger{display:grid}
  .site-header.open .nav{
    display:flex;position:absolute;top:60px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    background:var(--panel);border-bottom:1px solid var(--border-2);padding:8px;
  }
  .site-header.open .nav>a,.site-header.open .nav .has-menu{padding:12px 14px;border-radius:9px;font-size:15px}
  .site-header.open .nav .menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:none;border:0;padding:0 0 6px 10px}
  .site-header.open .nav .has-menu svg{display:none}
  .site-header.open .searchbox{display:block;width:100%;max-width:none;margin:8px 0 4px}
  .rank-head{display:none}
  .rank-row{grid-template-columns:30px minmax(0,1fr) 66px;gap:12px;row-gap:10px}
  .rank-row .cell,.rank-row .go{display:none}
  .creator .bl{white-space:normal}
}
@media (max-width:640px){
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .section{padding:58px 0}
  .hero{padding:48px 0 70px}
  .hv-badges{position:static;display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
  .hv-pill{left:0}
  .cv-facts{left:0}
  .foot-nav{width:100%;margin-left:0;gap:18px;flex-wrap:wrap}
}

/* ---------- search suggestions ---------- */
.suggest{
  position:absolute;top:calc(100% + 8px);left:0;right:0;z-index:70;
  background:var(--panel);border:1px solid var(--border-2);border-radius:12px;
  padding:6px;box-shadow:var(--shadow);max-height:340px;overflow:auto;
}
.suggest a{
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:9px 12px;border-radius:9px;font-size:13.5px;color:var(--text);
}
.suggest a:hover,.suggest a:focus{background:var(--card-2);outline:none}
.suggest a em{font-style:normal;font-size:11px;color:var(--dim);white-space:nowrap}
.suggest-empty{margin:0;padding:12px;font-size:12.5px;color:var(--dim)}

/* ---------- graded video list ---------- */
.vidlist li{padding:0;background:none;border:0}
.vidlist a{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--card);border:1px solid var(--border);border-radius:10px;
  padding:11px 14px;transition:border-color .18s,background .18s;
}
.vidlist a:hover{border-color:var(--orange-line);background:var(--card-2)}
.vt{font-size:13.5px;color:var(--text);min-width:0}
.vm{display:flex;align-items:center;gap:10px;font-size:11.5px;color:var(--dim);white-space:nowrap;flex:none}
.vm b{
  font-size:12px;font-weight:700;color:var(--orange-2);
  background:var(--orange-soft);border:1px solid var(--orange-line);
  border-radius:6px;padding:2px 7px;font-variant-numeric:tabular-nums;
}
@media (max-width:640px){
  .vidlist a{flex-direction:column;align-items:flex-start;gap:8px}
}

/* ---------- content-review marker ---------- */
.warn{
  display:inline-grid;place-items:center;width:15px;height:15px;border-radius:50%;
  background:rgba(255,196,0,.14);border:1px solid rgba(255,196,0,.45);
  color:#ffc400;font-size:10px;font-weight:800;line-height:1;cursor:help;
}
.note.warn-note{border-left-color:#ffc400;background:rgba(255,196,0,.08)}


/* ---------- mobile menu button ---------- */
.burger{
  display:none;margin-left:auto;width:36px;height:36px;place-items:center;
  background:var(--card);border:1px solid var(--border);border-radius:9px;color:var(--text);
}
.burger svg{width:16px;height:16px}
.site-header.open .burger{border-color:var(--orange-line);color:var(--orange)}

@media (max-width:860px){
  .burger{display:grid}
}