/* On-Off Academy — shared marketing design system (nav, footer, buttons, sections, pricing). */
:root{
  /* Trust Blue palette (was petrol/teal/amber green family). Variable names kept for compatibility:
     --petrol=navy, --teal=blue, --amber=sky accent, --pale=light-blue tint, --paper=clean base. */
  --petrol:#0B2559;--petrol-2:#0a1e47;--teal:#1D4ED8;--teal-d:#1a45c0;
  --pale:#E2ECFB;--paper:#FAFBFD;--amber:#38BDF8;--amber-d:#17a9e0;
  --ink:#16213A;--muted:#64748B;--card:#fff;--line:#E4E9F0;--line-2:#EDF1F7;
  --sans:'Poppins',-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;
  --shadow:0 1px 2px rgba(11,37,89,.05),0 14px 40px rgba(11,37,89,.10);
  --shadow-sm:0 1px 2px rgba(11,37,89,.05),0 7px 20px rgba(11,37,89,.07);
  --r:14px;--maxw:1120px;
}
*{box-sizing:border-box}html,body{margin:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-weight:300;line-height:1.6;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);font-weight:600;}

/* buttons */
.btn{display:inline-block;font-family:var(--sans);font-weight:600;font-size:15.5px;padding:13px 24px;border-radius:10px;transition:transform .05s ease,background .15s ease,border-color .15s ease;cursor:pointer;border:1px solid transparent;line-height:1.2;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--amber);color:var(--petrol);}
.btn-primary:hover{background:var(--amber-d);}
.btn-dark{background:var(--petrol);color:#fff;}
.btn-dark:hover{background:var(--petrol-2);}
.btn-ghost{background:transparent;color:var(--petrol);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--teal);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-lg{padding:16px 30px;font-size:17px;}

/* ── sticky nav with dropdowns ── */
.site-nav{position:sticky;top:0;z-index:50;background:rgba(250,251,253,.86);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line);}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between;gap:18px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--petrol);font-size:16.5px;letter-spacing:-.01em;flex:none;}
.ring{width:18px;height:18px;border-radius:50%;border:3px solid var(--teal);position:relative;flex:none;}
.ring::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--amber);}
.nav-menu{display:flex;align-items:center;gap:4px;margin:0 auto;}
.nav-item{position:relative;}
.nav-link{display:inline-flex;align-items:center;gap:5px;padding:9px 13px;border-radius:9px;color:var(--ink);font-size:14.5px;font-weight:400;cursor:pointer;background:none;border:none;font-family:inherit;}
.nav-link:hover{background:var(--line-2);color:var(--petrol);}
.nav-link .caret{width:8px;height:8px;border-right:1.6px solid var(--muted);border-bottom:1.6px solid var(--muted);transform:rotate(45deg);margin-top:-2px;transition:transform .15s;}
.nav-item:hover .caret,.nav-item.open .caret{transform:rotate(225deg);margin-top:2px;}
.drop{position:absolute;top:calc(100% + 6px);left:50%;transform:translateX(-50%) translateY(6px);min-width:240px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transition:opacity .16s ease,transform .16s ease;}
/* invisible bridge across the 6px gap so the menu doesn't vanish as the mouse moves onto it */
.drop::before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px;}
.nav-item:hover .drop,.nav-item.open .drop,.drop:hover{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.drop a{display:block;padding:9px 12px;border-radius:9px;font-size:14px;color:var(--ink);}
.drop a:hover{background:var(--line-2);color:var(--petrol);}
.drop a b{display:block;font-weight:600;color:var(--petrol);font-size:14px;}
.drop a span{color:var(--muted);font-size:12.5px;}
.nav-right{display:flex;align-items:center;gap:12px;flex:none;}
.nav-right .login{color:var(--muted);font-size:14.5px;}
.nav-right .login:hover{color:var(--ink);}
.nav-burger{display:none;background:none;border:none;cursor:pointer;padding:8px;flex:none;}
.nav-burger span{display:block;width:22px;height:2px;background:var(--petrol);margin:4px 0;border-radius:2px;transition:.2s;}

/* sections */
section{padding:64px 0;}
.section-h{text-align:center;font-weight:700;letter-spacing:-.022em;font-size:clamp(26px,4vw,38px);color:var(--petrol);margin:0 0 10px;line-height:1.1;}
.section-sub{text-align:center;color:var(--muted);font-size:17px;max-width:56ch;margin:0 auto 44px;}
.center{text-align:center}

/* trust strip */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;}
.trust-inner{max-width:var(--maxw);margin:0 auto;padding:18px 24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px 30px;}
.trust-inner .t-lead{color:var(--muted);font-size:13px;letter-spacing:.04em;text-transform:uppercase;font-weight:600;}
.trust-inner .t-item{color:var(--petrol);font-weight:500;font-size:14.5px;display:flex;align-items:center;gap:7px;}
.trust-inner .t-item::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);}

/* stats band */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 20px;text-align:center;box-shadow:var(--shadow-sm);}
.stat .num{font-size:30px;font-weight:700;color:var(--petrol);letter-spacing:-.02em;}
.stat .lbl{color:var(--muted);font-size:13.5px;margin-top:4px;}

/* generic grids/cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow-sm);}
.card .ic{font-size:24px;margin-bottom:12px;display:block;}
.card h3{font-size:18px;font-weight:600;color:var(--petrol);margin:0 0 8px;}
.card p{font-size:14.5px;color:var(--muted);margin:0;}
.step .n{width:38px;height:38px;border-radius:50%;background:var(--pale);color:var(--petrol);font-weight:700;display:grid;place-items:center;font-size:17px;margin-bottom:16px;}

/* bands */
.band{background:radial-gradient(600px 300px at 100% 0,rgba(29,78,216,.5),transparent 60%),linear-gradient(160deg,var(--petrol),var(--petrol-2));color:#E7EDFA;border-radius:22px;padding:48px 44px;box-shadow:var(--shadow);}
.band h2{color:#fff;font-weight:700;font-size:clamp(24px,3.4vw,32px);letter-spacing:-.02em;margin:0 0 12px;}
.band p{color:#B4C5E6;font-size:17px;margin:0;}

/* full-bleed section rhythm (used by index) */
.sec-white{background:#fff;}
.sec-tint{background:linear-gradient(180deg,#EEF3FB,var(--paper));}

/* pricing */
.ccy-toggle{display:inline-flex;border:1px solid var(--line);background:#fff;border-radius:10px;padding:4px;gap:2px;margin:0 auto 8px;}
.ccy-toggle button{border:none;background:none;font-family:inherit;font-size:14px;font-weight:600;color:var(--muted);padding:7px 15px;border-radius:7px;cursor:pointer;}
.ccy-toggle button.on{background:var(--petrol);color:#fff;}
/* currency + billing period sit side by side, stacking on narrow screens */
.toggles{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;align-items:center;}
.ccy-toggle .save{display:inline-block;margin-left:6px;background:var(--amber);color:var(--petrol);
  font-size:10.5px;font-weight:700;letter-spacing:.02em;padding:2px 7px;border-radius:10px;vertical-align:1px;}
.ccy-toggle button.on .save{background:#fff;}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch;}
.plan{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:28px 26px;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);}
.plan.featured{border-color:var(--teal);border-width:2px;position:relative;box-shadow:var(--shadow);}
.plan.featured::before{content:"Most popular";position:absolute;top:-11px;left:26px;background:var(--teal);color:#fff;font-size:11px;font-weight:600;letter-spacing:.04em;padding:3px 11px;border-radius:12px;}
.plan .pname{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--teal);font-weight:600;margin-bottom:10px;}
.plan .pprice{font-size:34px;font-weight:700;color:var(--petrol);letter-spacing:-.02em;line-height:1;}
.plan .pprice small{font-size:14px;color:var(--muted);font-weight:400;}
.plan .pfor{font-size:13.5px;color:var(--muted);margin:6px 0 18px;}
.plan ul{list-style:none;margin:0 0 20px;padding:0;font-size:14px;color:var(--ink);display:grid;gap:9px;flex:1;}
/* Not flex: a flex item per child meant any inline <b> inside a bullet became a second column.
   Absolute tick + padding keeps the hanging indent and lets mixed text flow normally. */
.plan li{position:relative;padding-left:20px;}
.plan li::before{content:"✓";color:var(--teal);font-weight:700;position:absolute;left:0;top:0;}
.price-note{text-align:center;color:var(--muted);font-size:13.5px;margin-top:18px;}

/* comparison table */
.cmp{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;font-size:14px;}
.cmp th,.cmp td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left;}
.cmp thead th{background:var(--pale);color:var(--petrol);font-weight:600;font-size:13px;}
.cmp td.c{text-align:center;}
.cmp tr:last-child td{border-bottom:none;}
.cmp .yes{color:var(--teal);font-weight:700;}
.cmp .no{color:#C3CBD6;}

/* FAQ */
.faq{max-width:760px;margin:0 auto;}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px 20px;margin-bottom:12px;}
.faq summary{cursor:pointer;font-weight:600;color:var(--petrol);font-size:16px;padding:16px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--teal);font-size:22px;font-weight:400;}
.faq details[open] summary::after{content:"–";}
.faq details p{margin:0 0 18px;color:var(--muted);font-size:15px;}

/* eyebrow header for sub-pages */
.page-head{padding:56px 0 8px;text-align:center;}
.page-head h1{font-weight:800;letter-spacing:-.025em;font-size:clamp(32px,5.4vw,52px);line-height:1.04;color:var(--petrol);margin:14px auto 18px;max-width:18ch;}
.page-head p{font-size:clamp(17px,2.2vw,20px);color:var(--muted);max-width:56ch;margin:0 auto;}

/* big footer */
.site-foot{background:var(--petrol);color:#C6D4EC;margin-top:20px;}
.foot-inner{max-width:var(--maxw);margin:0 auto;padding:56px 24px 30px;display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:34px;}
.site-foot .fbrand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:600;font-size:16.5px;margin-bottom:14px;}
.site-foot .fbrand .ring{border-color:#5B7CC0;}
.site-foot .fabout{font-size:14px;color:#93A5CC;max-width:34ch;line-height:1.6;}
.foot-col h4{color:#fff;font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;margin:0 0 14px;}
.foot-col a{display:block;color:#B3C4E4;font-size:14px;padding:5px 0;}
.foot-col a:hover{color:#fff;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);}
.foot-bottom-inner{max-width:var(--maxw);margin:0 auto;padding:20px 24px;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;font-size:12.5px;color:#8698BE;}
.foot-bottom-inner a{color:#8698BE;}
.foot-bottom-inner a:hover{color:#fff;}

@media (max-width:940px){
  .foot-inner{grid-template-columns:1fr 1fr;gap:28px;}
  .stats{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:820px){
  .nav-menu{position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:stretch;background:var(--paper);border-bottom:1px solid var(--line);margin:0;padding:12px 16px 20px;gap:2px;display:none;box-shadow:var(--shadow);}
  .site-nav.open .nav-menu{display:flex;}
  .nav-item{position:static;}
  .nav-link{width:100%;justify-content:space-between;font-size:16px;padding:12px 10px;}
  .drop{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:none;min-width:0;padding:0 0 8px 14px;display:none;}
  .drop::before{display:none;}
  .nav-item.open .drop{display:block;}
  .nav-right .login{display:none;}
  .nav-burger{display:block;}
  .grid-3,.grid-2,.plans,.stats{grid-template-columns:1fr;}
  section{padding:46px 0;}
  .band{padding:36px 26px;border-radius:16px;}
  .cmp{display:block;overflow-x:auto;white-space:nowrap;}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important;}}