/* ============================================================
   Crypto Strategy, Design System
   Bybit-style: near-black surfaces + signature gold accent.
   ============================================================ */

:root{
  /* Surfaces (Bybit dark) */
  --bg:        #0B0E11;
  --bg-2:      #12151C;
  --surface:   #181A20;
  --surface-2: #21242C;
  --elevated:  #2B2F36;
  --border:    rgba(255,255,255,.08);
  --border-2:  rgba(255,255,255,.15);

  /* Text */
  --text:      #EAECEF;
  --muted:     #9AA3AF;
  --faint:     #6B7280;

  /* Brand / accents (Bybit gold + trading green/red) */
  --primary:   #F7A600;   /* Bybit gold */
  --primary-2: #FFC24B;   /* lighter gold */
  --gold:      #F7A600;
  --green:     #20B26C;   /* up / success */
  --red:       #EF454A;   /* down / loss */

  --grad: linear-gradient(135deg,#FFC24B 0%,#F7A600 100%);
  --grad-soft: linear-gradient(135deg,rgba(247,166,0,.16),rgba(247,166,0,.05));

  --radius:   18px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow:   0 18px 40px -18px rgba(0,0,0,.7);
  --shadow-sm:0 8px 24px -12px rgba(0,0,0,.65);
  --ring:     0 0 0 3px rgba(247,166,0,.28);

  --maxw: 1180px;
  --font: "Inter","Segoe UI",Roboto,system-ui,-apple-system,sans-serif;
  --font-head: "Space Grotesk","Inter",system-ui,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--font);
  line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  background-image:
    radial-gradient(900px 480px at 82% -12%, rgba(247,166,0,.10), transparent 60%),
    radial-gradient(760px 460px at -5% 2%, rgba(247,166,0,.06), transparent 55%);
  background-repeat:no-repeat;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.14;margin:0 0 .4em;font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(2rem,4.6vw,3.2rem)}
h2{font-size:clamp(1.5rem,3vw,2.15rem)}
h3{font-size:1.2rem}
p{margin:0 0 .9rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:48px 0}
.muted{color:var(--muted)}
.center{text-align:center}
.gradient-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{color:var(--primary);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.76rem;margin-bottom:.5rem}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.8rem 1.4rem;border-radius:999px;font-weight:650;font-size:.98rem;cursor:pointer;
  border:1px solid transparent;transition:transform .12s ease,box-shadow .2s ease,background .2s;white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--grad);color:#1A1300;box-shadow:0 10px 26px -10px rgba(247,166,0,.6)}
.btn-ghost{background:rgba(255,255,255,.05);border-color:var(--border-2);color:var(--text)}
.btn-ghost:hover{background:rgba(255,255,255,.09)}
/* Distinct "Try the demo" button (blue), sized to match the primary CTA */
.btn-demo{background:rgba(56,182,255,.14);border:1.5px solid #38B6FF;color:#9dd7ff}
.btn-demo:hover{background:rgba(56,182,255,.24);box-shadow:0 0 20px -4px rgba(56,182,255,.65)}
.hero .hero-cta .btn{flex:1 1 0;min-width:150px;max-width:260px;justify-content:center}
.btn-lg{padding:1rem 1.8rem;font-size:1.05rem}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* Affiliate CTA: the button we most want people to press (pulsing glow + shine sweep) */
.btn-gold{position:relative;overflow:hidden;background:linear-gradient(135deg,#FFCB57,#F7A600);color:#1A1300;font-weight:800;
  box-shadow:0 10px 30px -8px rgba(247,166,0,.7);animation:ctaPulse 2.4s ease-in-out infinite}
.btn-gold:hover{transform:translateY(-2px) scale(1.02)}
.btn-gold::after{content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.6),transparent);transform:skewX(-20deg);
  animation:ctaShine 3s ease-in-out infinite}
@keyframes ctaPulse{0%,100%{box-shadow:0 8px 24px -8px rgba(247,166,0,.55)}50%{box-shadow:0 12px 40px -6px rgba(247,166,0,.95)}}
@keyframes ctaShine{0%{left:-70%}55%,100%{left:140%}}
@media (prefers-reduced-motion: reduce){.btn-gold{animation:none}.btn-gold::after{display:none}}

/* Visible keyboard focus */
.btn:focus-visible,.nav-links a:focus-visible,.quiz-opt:focus-visible,.seg button:focus-visible,.card-link:focus-visible,.socials a:focus-visible,.ai-fab:focus-visible,.module-head:focus-visible,.nav-toggle:focus-visible,.ai-input button:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.nav-auth-m{display:none}

/* ---------- Header / nav ---------- */
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(11,14,17,.78);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;gap:1rem}
.logo{display:flex;align-items:center;gap:.6rem;font-family:var(--font-head);font-weight:800;font-size:1.15rem}
.logo .mark{width:34px;height:34px;border-radius:9px;background:var(--grad);display:grid;place-items:center;color:#1A1300;font-weight:900;box-shadow:0 6px 18px -6px rgba(247,166,0,.6)}
.logo-mark{width:36px;height:36px;object-fit:contain;display:block;flex:none}
.nav-links{display:flex;gap:.3rem;align-items:center}
.nav-links a{padding:.5rem .8rem;border-radius:999px;color:var(--muted);font-weight:550;font-size:.95rem;transition:.15s}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-links a.active{color:var(--primary);background:rgba(247,166,0,.12)}
.nav-cta{display:flex;gap:.5rem;align-items:center}
.nav-toggle{display:none;background:none;border:1px solid var(--border-2);color:var(--text);border-radius:8px;padding:.4rem .6rem;font-size:1.2rem;cursor:pointer}
.btn-account{gap:.4rem;padding:.7rem 1rem}
.btn-bonus{font-size:.95rem}

/* App-style bottom tab bar (phones) */
.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:55;display:none;justify-content:space-around;align-items:stretch;
  background:rgba(11,14,17,.94);backdrop-filter:blur(12px);border-top:1px solid var(--border)}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  padding:8px 2px calc(8px + env(safe-area-inset-bottom));color:var(--muted);font-size:.66rem;font-weight:600}
.tabbar a.active{color:var(--primary)}
.tabbar a.active svg{filter:drop-shadow(0 0 6px rgba(247,166,0,.55))}

/* ---------- Hero ---------- */
.hero{position:relative;padding:52px 0 30px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.hero h1 span{display:inline}
.hero .lead{font-size:1.12rem;color:var(--muted);max-width:38ch}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.4rem}
.hero-stats{display:flex;gap:2rem;margin-top:1.8rem;flex-wrap:wrap}
.hero-stats .stat b{font-family:var(--font-head);font-size:1.7rem;display:block}
.hero-stats .stat span{color:var(--muted);font-size:.85rem}
.hero-card{background:var(--grad-soft);border:1px solid var(--border-2);border-radius:var(--radius-lg);
  padding:6px;box-shadow:var(--shadow)}
.hero-card-inner{background:var(--bg-2);border-radius:20px;padding:20px;border:1px solid var(--border)}
.mini-chart{height:170px;border-radius:12px;background:
  linear-gradient(180deg,rgba(32,178,108,.14),transparent),var(--surface);position:relative;overflow:hidden;border:1px solid var(--border)}
.ticker-row{display:flex;justify-content:space-between;align-items:center;padding:.55rem 0;border-bottom:1px dashed var(--border)}
.ticker-row:last-child{border-bottom:0}
.pill{display:inline-flex;align-items:center;gap:.35rem;padding:.2rem .6rem;border-radius:999px;font-size:.78rem;font-weight:700}
.pill.up{background:rgba(32,178,108,.16);color:var(--green)}
.pill.down{background:rgba(239,69,74,.16);color:var(--red)}

/* ---------- Cards & grids ---------- */
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-feat{grid-template-columns:repeat(2,1fr);gap:14px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;transition:.18s;box-shadow:var(--shadow-sm)}
.card:hover{border-color:var(--border-2);transform:translateY(-3px)}
.card .icon{width:44px;height:44px;border-radius:12px;background:var(--grad-soft);display:grid;place-items:center;font-size:1.25rem;margin-bottom:.7rem;border:1px solid var(--border);color:var(--primary)}
.icon svg{display:block}
.icon.num{font-family:var(--font-head);font-weight:800;color:var(--primary)}
.card h3{margin-bottom:.3rem}
.card p{color:var(--muted);margin:0}
.card-link{cursor:pointer}
.badge{display:inline-block;padding:.2rem .65rem;border-radius:999px;font-size:.74rem;font-weight:700;background:rgba(255,255,255,.06);color:var(--muted);border:1px solid var(--border)}
.badge.green{background:rgba(32,178,108,.16);color:var(--green);border-color:transparent}
.badge.gold{background:rgba(247,166,0,.16);color:var(--gold);border-color:transparent}
.badge.violet{background:rgba(247,166,0,.14);color:var(--primary-2);border-color:transparent}
.badge.red{background:rgba(239,69,74,.16);color:var(--red);border-color:transparent}

.section-head{display:flex;justify-content:space-between;align-items:end;gap:1rem;margin-bottom:1.4rem;flex-wrap:wrap}
.section-head p{max-width:60ch;color:var(--muted);margin:0}

/* ---------- Steps / guides (horizontal: spread into columns) ---------- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px}
.step{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}
.step::before{counter-increment:step;content:counter(step);width:32px;height:32px;border-radius:50%;
  background:var(--grad);color:#1A1300;font-weight:800;display:grid;place-items:center;font-family:var(--font-head)}
.step h4{margin:.1rem 0 .3rem}
.step p{margin:0;color:var(--muted);font-size:.94rem}
.note{border-left:3px solid var(--gold);background:rgba(247,166,0,.08);padding:.8rem 1rem;border-radius:10px;color:#f4d9a0;font-size:.92rem;margin:.6rem 0}
.note.warn{border-color:var(--red);background:rgba(239,69,74,.09);color:#ffbfc1}
.note.tip{border-color:var(--green);background:rgba(32,178,108,.1);color:#a9e8c8}

/* ---------- Learn / lessons ---------- */
.module{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:12px}
.module-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:14px 18px;cursor:pointer}
.module-head:hover{background:rgba(255,255,255,.03)}
.module-body{padding:0 18px 16px;border-top:1px solid var(--border);display:none}
.module.open .module-body{display:block}
.module-body ul{margin:.7rem 0;padding-left:1.1rem}
.module-body li{margin:.3rem 0;color:var(--muted)}
.chev{transition:.2s;color:var(--primary)}
.module.open .chev{transform:rotate(180deg)}

/* Key terms spread across columns instead of one long list */
.def-list{columns:2;column-gap:2.2rem}
.def-list dt{font-weight:700;color:var(--text);margin-top:.7rem;break-inside:avoid}
.def-list dd{margin:0 0 .2rem;color:var(--muted);break-inside:avoid;font-size:.94rem}

/* ---------- Forms ---------- */
.form{max-width:520px;margin:0 auto}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.phone-group{display:flex;gap:8px;align-items:stretch}
.field .phone-group>select{width:auto;flex:0 0 42%;min-width:120px}
.field .phone-group>input{width:auto;flex:1 1 auto;min-width:0}
.field{margin-bottom:14px}
.field label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:.35rem;font-weight:600}
.field input,.field select,.field textarea{
  width:100%;padding:.8rem .9rem;background:var(--bg-2);border:1px solid var(--border-2);border-radius:12px;
  color:var(--text);font-size:1rem;font-family:inherit;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:var(--ring)}
.form-msg{padding:.7rem .9rem;border-radius:12px;font-size:.9rem;margin-bottom:12px;display:none}
.form-msg.error{display:block;background:rgba(239,69,74,.12);color:#ffbfc1;border:1px solid rgba(239,69,74,.3)}
.form-msg.success{display:block;background:rgba(32,178,108,.14);color:#a9e8c8;border:1px solid rgba(32,178,108,.3)}
.auth-wrap{max-width:560px;margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow)}
.auth-switch{text-align:center;color:var(--muted);margin-top:1rem;font-size:.92rem}
.auth-switch a{color:var(--primary);font-weight:600}

/* ---------- Quiz (oval, bright, glowing) ---------- */
.quiz-opt{display:block;width:100%;text-align:left;padding:.95rem 1.4rem;margin:.6rem 0;background:var(--surface-2);
  border:1.5px solid var(--oc,var(--border-2));border-radius:999px;color:var(--text);cursor:pointer;font-size:1rem;
  font-family:inherit;transition:border-color .16s,transform .16s;animation:optFlick 2.6s ease-in-out infinite}
.quiz-opt:nth-child(4n+1){--oc:#F7A600;animation-delay:0s}
.quiz-opt:nth-child(4n+2){--oc:#38B6FF;animation-delay:.35s}
.quiz-opt:nth-child(4n+3){--oc:#B072FF;animation-delay:.7s}
.quiz-opt:nth-child(4n+4){--oc:#FF6BC1;animation-delay:1.05s}
@keyframes optFlick{0%,100%{box-shadow:0 0 0 0 rgba(0,0,0,0)}50%{box-shadow:0 0 15px -3px var(--oc)}}
.quiz-opt:hover{transform:translateY(-1px);box-shadow:0 0 22px -2px var(--oc)}
.quiz-opt.correct{border-color:var(--green);background:rgba(32,178,108,.22);color:#eafff4;animation:none;
  box-shadow:0 0 0 3px rgba(32,178,108,.25),0 8px 22px -8px rgba(32,178,108,.7)}
.quiz-opt.wrong{border-color:var(--red);background:rgba(239,69,74,.18);animation:none}
.quiz-opt:disabled{cursor:default;transform:none}
.quiz-opt:disabled:not(.correct):not(.wrong){animation:none;opacity:.8}
@media (prefers-reduced-motion:reduce){.quiz-opt{animation:none}}
.progress{height:9px;border-radius:999px;background:var(--surface-2);overflow:hidden;margin:1rem 0}
.progress > span{display:block;height:100%;background:var(--grad);width:0;transition:width .3s}
.quiz-explain{background:var(--bg-2);border:1px solid var(--border);border-radius:12px;padding:.8rem 1rem;margin-top:.6rem;color:var(--muted);font-size:.92rem}
.score-ring{width:130px;height:130px;border-radius:50%;display:grid;place-items:center;margin:0 auto 1rem;
  background:conic-gradient(var(--primary) var(--pct,0%), var(--surface-2) 0);box-shadow:0 0 34px -6px rgba(247,166,0,.5)}
.score-ring b{background:var(--bg);width:100px;height:100px;border-radius:50%;display:grid;place-items:center;font-size:1.6rem;font-family:var(--font-head);color:var(--primary)}

/* ---------- Demo dashboard ---------- */
.demo-grid{display:grid;grid-template-columns:1fr 320px;gap:20px}
.tv-wrap{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface);min-height:440px}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.stat-row{display:flex;justify-content:space-between;padding:.4rem 0;border-bottom:1px dashed var(--border);font-size:.95rem}
.stat-row:last-child{border-bottom:0}
.seg{display:flex;gap:6px;background:var(--bg-2);border-radius:999px;padding:5px;margin:.6rem 0}
.seg button{flex:1;padding:.55rem;border:0;border-radius:999px;background:transparent;color:var(--muted);font-weight:700;cursor:pointer;font-family:inherit}
.seg button.long.active{background:rgba(32,178,108,.2);color:var(--green)}
.seg button.short.active{background:rgba(239,69,74,.2);color:var(--red)}

/* ---------- Team ---------- */
.team-card{text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px}
.team-photo{width:112px;height:112px;border-radius:50%;margin:0 auto 1rem;background:var(--grad-soft);border:2px solid var(--border-2);
  display:grid;place-items:center;font-size:2.2rem;overflow:hidden}
.team-photo img{width:100%;height:100%;object-fit:cover}
.socials{display:flex;gap:.6rem;justify-content:center;margin-top:.8rem}
.socials a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.05);border:1px solid var(--border);
  display:grid;place-items:center;color:var(--muted);transition:.15s;font-size:1.05rem}
.socials a:hover{color:var(--primary);border-color:var(--primary);background:rgba(247,166,0,.1)}
.team-photo .initials{font-family:var(--font-head);font-weight:800;font-size:1.9rem;color:var(--primary)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--grad-soft);border:1px solid var(--border-2);border-radius:var(--radius-lg);padding:32px;text-align:center}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--border);margin-top:36px;padding:36px 0 96px;background:var(--bg-2)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:26px;margin-bottom:24px}
.footer-grid h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.footer-grid a{display:block;color:var(--muted);padding:.4rem 0;font-size:.93rem}
.footer-grid a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid var(--border);padding-top:18px;color:var(--muted);font-size:.82rem;text-align:center}
.footer-legal{display:flex;gap:1.1rem;justify-content:center;flex-wrap:wrap;margin-bottom:.3rem}
.footer-legal a{color:var(--muted)}
.footer-legal a:hover{color:var(--primary)}

/* ---------- AI tutor widget ---------- */
.ai-fab{position:fixed;right:20px;bottom:20px;z-index:60;width:64px;height:64px;border-radius:50%;border:0;cursor:pointer;
  background:var(--grad);color:#1A1300;display:grid;place-items:center;box-shadow:0 14px 34px -10px rgba(247,166,0,.8);transition:.15s}
.ai-fab svg{width:30px;height:30px}
.ai-fab:hover{transform:scale(1.06)}
.ai-panel{position:fixed;right:20px;bottom:98px;z-index:60;width:min(440px,94vw);height:min(680px,82vh);
  background:var(--surface);border:1px solid var(--border-2);border-radius:18px;box-shadow:var(--shadow);
  display:none;flex-direction:column;overflow:hidden}
.ai-msg{font-size:.95rem}
.ai-panel.open{display:flex}
.ai-head{padding:14px 16px;background:var(--bg-2);border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.ai-head b{font-family:var(--font-head)}
.ai-head button{padding:.2rem .45rem;border-radius:8px;min-width:32px;min-height:32px}
.ai-msgs{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px}
.ai-msg{padding:.6rem .85rem;border-radius:14px;max-width:85%;font-size:.92rem;line-height:1.5}
.ai-msg.user{align-self:flex-end;background:var(--grad);color:#1A1300}
.ai-msg.bot{align-self:flex-start;background:var(--bg-2);border:1px solid var(--border)}
.ai-msg.bot.err{border-color:rgba(239,69,74,.4);color:#ffbfc1}
.ai-input{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border);background:var(--bg-2)}
.ai-input input{flex:1;padding:.65rem .8rem;background:var(--surface);border:1px solid var(--border-2);border-radius:999px;color:var(--text)}
.ai-input input:focus{outline:none;border-color:var(--primary)}
.ai-input button{padding:.65rem .85rem;border:0;border-radius:50%;background:var(--grad);color:#1A1300;font-weight:700;cursor:pointer;display:grid;place-items:center}
.ai-suggest{display:flex;flex-wrap:wrap;gap:6px;padding:0 14px 10px}
.ai-suggest button{font-size:.78rem;padding:.4rem .7rem;min-height:30px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--border);color:var(--muted);cursor:pointer}
.ai-suggest button:hover{color:var(--primary);border-color:var(--primary)}
.typing{display:inline-flex;gap:3px}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.2}30%{opacity:1}}

/* ---------- misc ---------- */
.breadcrumb{color:var(--muted);font-size:.88rem;margin-bottom:1rem}
.breadcrumb a{color:var(--primary)}
.prose{max-width:760px}
.prose h2{margin-top:1.7rem}
.kbd{font-family:var(--font-head);background:var(--bg-2);border:1px solid var(--border);border-radius:6px;padding:.05rem .4rem;font-size:.85rem}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--elevated);border:1px solid var(--border-2);
  color:var(--text);padding:.7rem 1.1rem;border-radius:999px;z-index:80;box-shadow:var(--shadow);opacity:0;transition:.25s;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(-6px)}
.empty{opacity:.7;text-align:center;padding:36px}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .demo-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .tabbar{display:flex}
  body{padding-bottom:66px}
  .ai-fab{bottom:84px}
  .ai-panel{bottom:150px;width:94vw;right:3vw;height:min(600px,72vh)}
  .site-footer{padding-bottom:26px}
}
@media (max-width:560px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .def-list{columns:1}
  .section{padding:40px 0}
  .nav{gap:.5rem}
  .logo-text{display:none}
  .btn-account .acct-label{display:none}
  .btn-account{padding:.6rem .7rem}
  .btn-bonus{padding:.58rem .85rem;font-size:.82rem}
  .auth-wrap{padding:22px 18px}
  .cta-band{padding:26px 20px}
  .hero{padding:40px 0 24px}
  .hero-stats{gap:1.3rem}
}