/* ============ OpenCota Design System — Navy + Esmeralda ============ */
:root{
  --navy-900:#081c33; --navy-800:#0e2a47; --navy-700:#16395d; --navy-600:#1f4a75;
  --emerald-600:#0d9468; --emerald-500:#10b981; --emerald-400:#34d399; --emerald-ghost:#e7f7f0;
  --ink:#10243b; --ink-2:#46586d; --ink-3:#7c8b9d;
  --bg:#f7f9fb; --surface:#ffffff; --line:#e3e9ef;
  --amber:#e8a13c; --red:#d4574e;
  --radius:14px; --shadow:0 1px 2px rgba(8,28,51,.05),0 10px 28px -14px rgba(8,28,51,.16);
  --grad-brand:linear-gradient(135deg,#10b981,#0d9468);
  --grad-hero:radial-gradient(1100px 540px at 75% -10%,rgba(16,185,129,.18),transparent 60%),linear-gradient(180deg,#081c33,#0e2a47 70%,#11304f);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}
h1,h2,h3,h4{font-family:'Sora',sans-serif;letter-spacing:-.02em}
a{color:var(--emerald-600);text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
header.site{position:sticky;top:0;z-index:60;background:rgba(8,28,51,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.07)}
.nav{display:flex;align-items:center;justify-content:flex-start;height:68px;gap:30px}
.logo{display:flex;align-items:center;gap:10px;font-family:'Sora';font-weight:800;font-size:1.22rem;color:#fff;white-space:nowrap}
.logo b{color:var(--emerald-400);font-weight:800}
.nav-links{display:flex;gap:2px;font-size:.86rem;font-weight:500;flex-wrap:nowrap}
.nav-links a{color:#c5d2e0;padding:8px 9px;border-radius:8px;transition:.15s;white-space:nowrap}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-links a.active{color:#fff;background:rgba(16,185,129,.18)}
.nav-links .soon{position:relative;opacity:.6;cursor:default}
.nav-links .soon em{font-style:normal;font-size:.55rem;font-weight:700;letter-spacing:.03em;background:var(--amber);color:#3c2a08;border-radius:99px;padding:1px 5px;margin-left:4px;vertical-align:2px}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:1.5rem;cursor:pointer;margin-left:auto}
@media(max-width:1080px){
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--navy-900);flex-direction:column;padding:10px 16px 16px;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-links.open{display:flex}
  .menu-btn{display:block}
}

/* ---------- hero ---------- */
.hero{background:var(--grad-hero);color:#fff;padding:84px 0 72px;position:relative;overflow:hidden}
.hero .badge{display:inline-flex;align-items:center;gap:8px;background:rgba(16,185,129,.14);border:1px solid rgba(52,211,153,.35);color:var(--emerald-400);font-size:.8rem;font-weight:600;padding:7px 16px;border-radius:99px;margin-bottom:22px}
.hero h1{font-size:clamp(2rem,4.6vw,3.3rem);font-weight:800;max-width:780px;margin-bottom:18px;line-height:1.15}
.hero h1 em{font-style:normal;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:#b9c8d8;max-width:640px;margin-bottom:36px;font-size:1.08rem}
.hero.center{text-align:center}
.hero.center h1,.hero.center p{margin-left:auto;margin-right:auto}
.hero.compact{padding:56px 0 46px}
.cta{display:inline-block;background:var(--grad-brand);color:#fff;font-weight:600;padding:14px 28px;border-radius:11px;transition:.2s;box-shadow:0 8px 24px -8px rgba(16,185,129,.5)}
.cta:hover{filter:brightness(1.07);transform:translateY(-1px)}
.cta.ghost{background:transparent;color:#d7e4f0;border:1.5px solid rgba(255,255,255,.25);box-shadow:none;margin-left:12px}
.cta.ghost:hover{border-color:var(--emerald-400);color:var(--emerald-400)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:56px;max-width:860px;margin-left:auto;margin-right:auto}
.stat{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:20px 14px;text-align:center}
.stat b{display:block;font-family:'Sora';font-size:1.5rem;color:var(--emerald-400)}
.stat span{font-size:.8rem;color:#9fb2c5}
@media(max-width:640px){.stats{grid-template-columns:repeat(2,1fr)}}

/* ---------- sections ---------- */
section{padding:64px 0}
.sec-head{margin-bottom:30px}
.sec-head h2{font-size:1.75rem;margin-bottom:10px;color:var(--navy-800)}
.sec-head p{color:var(--ink-2);max-width:660px}
.kicker{display:block;font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--emerald-600);margin-bottom:8px}

/* controls */
.controls{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:20px}
.seg{display:inline-flex;background:#e8edf2;border-radius:11px;padding:4px}
.seg button{border:0;background:transparent;padding:9px 18px;border-radius:8px;font:inherit;font-weight:600;font-size:.9rem;color:var(--ink-2);cursor:pointer;transition:.15s}
.seg button.on{background:var(--navy-800);color:#fff;box-shadow:var(--shadow)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:99px;padding:8px 15px;font:inherit;font-size:.84rem;font-weight:500;color:var(--ink-2);cursor:pointer;transition:.15s}
.chip.on{background:var(--emerald-600);border-color:var(--emerald-600);color:#fff}
select.chip,input.chip{appearance:none}
input.chip{cursor:text}
select.chip{padding-right:30px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2346586d' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}

/* table */
.tablecard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.92rem}
thead th{text-align:left;font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-3);font-weight:700;padding:14px 16px;border-bottom:1px solid var(--line);background:#fafcfd;white-space:nowrap}
tbody td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr.main{cursor:pointer;transition:background .12s}
tbody tr.main:hover{background:#f2f7f5}
tr:last-child td{border-bottom:0}
.rk{font-family:'Sora';font-weight:700;color:var(--ink-3);width:46px}
.rk.top{color:var(--amber)}
.adm-name{font-weight:600;color:var(--navy-800)}
.adm-sub{font-size:.78rem;color:var(--ink-3)}
.scorewrap{display:flex;align-items:center;gap:10px;min-width:150px}
.scorebar{flex:1;height:7px;border-radius:99px;background:#e8edf2;overflow:hidden}
.scorebar i{display:block;height:100%;border-radius:99px;background:var(--grad-brand)}
.scoreval{font-family:'Sora';font-weight:700;font-size:.98rem;width:44px;text-align:right;color:var(--navy-800)}
.pill{display:inline-block;font-size:.74rem;font-weight:600;padding:3px 10px;border-radius:99px}
.pill.g{background:var(--emerald-ghost);color:var(--emerald-600)}
.pill.y{background:#fdf2df;color:#9a6816}
.pill.r{background:#fbe7e5;color:#a13a33}
.detail td{background:#fafcfd;padding:20px 22px}
.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.dbox{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:15px}
.dbox h4{font-size:.76rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-3);margin-bottom:9px;display:flex;justify-content:space-between;align-items:center}
.dbox h4 b{font-family:'Sora';font-size:1rem;color:var(--navy-800)}
.dbox ul{list-style:none;font-size:.82rem;color:var(--ink-2)}
.dbox li{display:flex;justify-content:space-between;gap:10px;padding:3px 0}
.dbox li b{color:var(--ink);font-weight:600;text-align:right}
.adm-resumo{font-size:.9rem;color:var(--ink-2);margin-bottom:14px;max-width:880px}
.porte-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:14px}
.pbox{background:var(--navy-800);border-radius:10px;padding:13px 15px;color:#fff}
.pbox span{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:#9fb2c5}
.pbox b{font-family:'Sora';font-size:1.25rem;color:var(--emerald-400)}
.pbox small{display:block;font-size:.68rem;color:#7e93a8;margin-top:2px}
.stale-note{margin-top:9px;font-size:.72rem;color:#9a6816;background:#fdf2df;border-radius:7px;padding:6px 9px}
.adm-sitelink{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-weight:600;font-size:.88rem;background:var(--emerald-ghost);border:1px solid #cdebde;border-radius:99px;padding:8px 16px;transition:.15s}
.adm-sitelink:hover{background:var(--emerald-500);color:#fff}
.adm-sitelink.off{background:#eef1f4;border-color:var(--line);color:var(--ink-3);cursor:default;pointer-events:none}
.expander{color:var(--ink-3);font-size:.85rem;text-align:center}
@media(max-width:760px){.detail-grid{grid-template-columns:1fr}.hide-m{display:none}}
.note{font-size:.8rem;color:var(--ink-3);margin-top:14px}

/* prefs */
.prefs{background:var(--emerald-ghost);border:1px solid #cdebde;border-radius:var(--radius);padding:18px 20px;margin-bottom:20px}
.prefs-title{font-weight:600;font-size:.95rem;margin-bottom:12px;color:var(--navy-800)}
.prefs-title span{display:block;font-weight:400;font-size:.8rem;color:var(--ink-2);margin-top:2px}
.prefs-opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:9px}
.pref{display:block;background:var(--surface);border:1.5px solid var(--line);border-radius:10px;padding:11px 13px;font-size:.86rem;cursor:pointer;transition:.15s}
.pref:has(input:checked){border-color:var(--emerald-500);box-shadow:0 0 0 2px rgba(16,185,129,.14)}
.pref input{accent-color:var(--emerald-600);margin-right:6px}
.pref small{display:block;color:var(--ink-3);font-size:.74rem;margin-top:2px}

/* group cards */
.gcards{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:15px}
.gcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:19px;box-shadow:var(--shadow);position:relative;transition:.15s}
.gcard:hover{transform:translateY(-2px)}
.gcard .grank{position:absolute;top:14px;right:16px;font-family:'Sora';font-weight:800;color:#dbe6e1;font-size:1.5rem}
.gcard h3{font-size:1rem;margin-bottom:2px;padding-right:48px;color:var(--navy-800)}
.gcard .gsub{font-size:.78rem;color:var(--ink-3);margin-bottom:11px}
.gtaxa{display:inline-block;background:var(--emerald-ghost);color:var(--emerald-600);font-size:.78rem;font-weight:700;border-radius:99px;padding:4px 11px;margin-bottom:11px}
.gmetrics{display:grid;grid-template-columns:1fr 1fr;gap:6px 14px;font-size:.82rem;color:var(--ink-2);margin-bottom:13px}
.gmetrics b{color:var(--ink)}
.gscore{display:flex;align-items:center;gap:10px}

/* raio-x */
.xray{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;margin-top:22px}
.xray-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:18px}
.xray-head h3{font-size:1.3rem;color:var(--navy-800)}
.xray-score{text-align:center}
.xray-score b{display:block;font-family:'Sora';font-size:2rem;color:var(--emerald-600)}
.xray-score span{font-size:.74rem;color:var(--ink-3)}
.xray-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:18px}
.xbox{background:#fafcfd;border:1px solid var(--line);border-radius:10px;padding:13px}
.xbox span{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-3)}
.xbox b{font-family:'Sora';font-size:1.1rem;color:var(--navy-800)}
.xbar{margin:10px 0}
.xbar .lbl{display:flex;justify-content:space-between;font-size:.82rem;color:var(--ink-2);margin-bottom:4px}
.xbar .lbl b{color:var(--navy-800)}

/* feature cards / about */
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.fcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.fcard .fic{width:44px;height:44px;border-radius:11px;background:var(--emerald-ghost);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:14px}
.fcard h3{font-size:1.05rem;margin-bottom:8px;color:var(--navy-800)}
.fcard p{font-size:.89rem;color:var(--ink-2)}
@media(max-width:760px){.fgrid{grid-template-columns:1fr}}
.fineprint{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--amber);border-radius:10px;padding:18px 20px;margin-top:24px;font-size:.88rem;color:var(--ink-2)}
.prose{max-width:760px;color:var(--ink-2)}
.prose p{margin-bottom:15px}
.prose strong{color:var(--navy-800)}
.empty{padding:40px;text-align:center;color:var(--ink-3)}

/* ---------- mobile ---------- */
@media(max-width:640px){
  section{padding:40px 0}
  .hero{padding:52px 0 44px}
  .hero.compact{padding:38px 0 30px}
  .hero p{font-size:.98rem}
  .cta{display:block;text-align:center;margin:0 0 10px}
  .cta.ghost{margin-left:0}
  .stats{gap:10px;margin-top:36px}
  .stat{padding:14px 8px}
  .stat b{font-size:1.05rem}
  .stat span{font-size:.72rem}
  /* tabela do ranking: cabe em 390px sem scroll lateral */
  thead th{padding:10px 8px;font-size:.64rem;letter-spacing:.04em}
  tbody td{padding:12px 8px}
  .rk{width:26px}
  .scorewrap{min-width:0;gap:0}
  .scorebar{display:none}
  .scoreval{width:auto}
  .expander{display:none}
  .detail td{padding:14px 10px}
  .adm-name{font-size:.95rem}
  .adm-resumo{font-size:.84rem}
  .porte-strip{grid-template-columns:1fr 1fr;gap:9px}
  .pbox{padding:11px 12px}
  .pbox b{font-size:1.05rem}
  .dbox li{font-size:.79rem}
  .xray{padding:16px}
  .xray-head h3{font-size:1.05rem}
  .gcard{padding:15px}
  .prefs{padding:14px}
  .sec-head h2{font-size:1.35rem}
  select.chip,input.chip{width:100%;min-width:0!important}
  .controls .seg{width:100%;display:flex}
  .seg button{flex:1;padding:9px 6px;font-size:.82rem}
}

/* footer */
footer.site{background:var(--navy-900);color:#8fa3b8;padding:46px 0 40px;font-size:.85rem;margin-top:30px}
footer.site .cols{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:flex-start}
footer.site .logo{font-size:1.1rem}
footer.site a{color:#b9c8d8}
footer.site a:hover{color:var(--emerald-400)}
footer.site .links{display:flex;gap:18px;flex-wrap:wrap}
footer.site .legal{margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);font-size:.78rem;color:#6c8095}