/* CallSight — shared design system for ALL pages (index links this too).
   Tokens, reset, nav, footer, buttons, fonts, content pages live here; index.html keeps only its own section styles inline.
   The palette is the product's: brand blue from the app (brand-500/600/700), the dashboard's navy briefing card,
   and the app's three score colours (good / warn / bad) — so the site and the product read as one thing. */

/* self-hosted fonts — nothing on the critical path leaves our domain */
@font-face{font-family:'Satoshi';font-weight:700;font-style:normal;font-display:swap;src:url('fonts/satoshi-700.woff2') format('woff2')}
@font-face{font-family:'Satoshi';font-weight:900;font-style:normal;font-display:swap;src:url('fonts/satoshi-900.woff2') format('woff2')}
@font-face{font-family:'Inter';font-weight:100 900;font-style:normal;font-display:swap;src:url('fonts/inter-var.woff2') format('woff2')}
:root{
  --brand:#2F57CC; --brand-2:#5B83F7; --brand-d:#2545A3; --brand-x:#3B6EF5; --violet:#6D4AE8;
  --navy:#0E1A3F; --navy-2:#13235A; --navy-line:#26346A; --navy-muted:#A8B5D8;
  --ink:#0B1020; --slate:#4E586B; --muted:#64748B;
  --bg:#FAFBFE; --line:#E8ECF4; --tint:#EEF3FF; --tint-line:#D9E4FD;
  --good:#10B981; --good-d:#047857; --good-bg:#ECFDF4; --good-line:#C9F0DD;
  --warn:#F59E0B; --warn-d:#B45309; --warn-bg:#FFF8EB; --warn-line:#FBE3BC;
  --bad:#EF4444; --bad-d:#C81E1E;
  --sh-card:0 1px 0 0 rgba(255,255,255,.6) inset, 0 2px 6px -2px rgba(10,15,28,.10), 0 30px 60px -30px rgba(10,15,28,.22);
  --sh-float:0 1px 0 0 rgba(255,255,255,.7) inset, 0 10px 26px -10px rgba(10,15,28,.22);
  --sh-brand:0 10px 26px -10px rgba(47,87,204,.55), 0 2px 6px -2px rgba(47,87,204,.30);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;overflow-x:clip}
@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
html.anim [data-r]{opacity:0}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ink);line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:clip;text-rendering:optimizeLegibility;
  background:radial-gradient(120% 80% at 82% -12%, rgba(59,110,245,.07), transparent 55%), radial-gradient(70% 50% at 96% 8%, rgba(109,74,232,.045), transparent 60%), radial-gradient(90% 60% at -5% 0%, rgba(47,87,204,.04), transparent 50%), var(--bg)}
h1,h2,h3,.disp{font-family:'Satoshi','Inter',sans-serif;letter-spacing:-0.035em;font-weight:900}
/* no orphan/widow words: balance headings, pretty-wrap prose */
h1,h2,h3,.disp,.eyebrow,.kicker,.lead p,.beat.big{text-wrap:balance}
p,.sub,.foot-tag,.legal p,.qa .ans,.stat span,.pinstep p,li{text-wrap:pretty}
a{color:inherit;text-decoration:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px;padding-left:max(24px,env(safe-area-inset-left));padding-right:max(24px,env(safe-area-inset-right))}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:16px;top:-60px;z-index:100;background:var(--brand);color:#fff;font-weight:600;font-size:14px;padding:10px 16px;border-radius:0 0 10px 10px;transition:top .2s}
.skip:focus{top:0}
::selection{background:var(--tint);color:var(--brand-d)}
.tnum{font-variant-numeric:tabular-nums}
.grain{position:fixed;inset:0;z-index:60;pointer-events:none;opacity:.04;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.grain2{position:absolute;inset:0;opacity:.05;pointer-events:none;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* brand */
.brand{display:flex;align-items:center;gap:10px;font-family:'Satoshi';font-weight:700;font-size:19.5px;letter-spacing:-0.035em;color:var(--ink)}
.brand .wm b{font-weight:700;color:var(--brand)}
.tile{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;flex:none;color:#fff;
  background:linear-gradient(140deg,var(--brand-x) 0%,var(--brand) 48%,var(--brand-d) 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 6px 14px -6px rgba(47,87,204,.6)}
.tile svg{display:block}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--ink);color:#fff;font-weight:600;font-size:15px;padding:14px 24px;border-radius:13px;border:0;cursor:pointer;font-family:'Inter';white-space:nowrap;transition:transform .18s cubic-bezier(.2,.8,.2,1),box-shadow .18s,background .2s}
.btn:hover{transform:translateY(-2px)} .btn:active{transform:translateY(0)}
.btn.brand-btn{background:var(--brand);box-shadow:var(--sh-brand)}
.btn.brand-btn:hover{background:#2A4FBC}
.btn[disabled]{opacity:.7;cursor:progress;transform:none}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.btn:focus-visible,.nav-cta:focus-visible{border-radius:13px}
.arr{display:inline-flex;align-items:center;vertical-align:middle}.arr svg{display:block}

/* nav */
nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .3s,border-color .3s,box-shadow .3s;border-bottom:1px solid transparent;padding-top:env(safe-area-inset-top)}
nav.scrolled{background:rgba(250,251,254,.8);-webkit-backdrop-filter:saturate(180%) blur(16px);backdrop-filter:saturate(180%) blur(16px);border-bottom-color:var(--line);box-shadow:0 4px 20px -10px rgba(10,15,28,.10)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:70px}
.nav-links{display:flex;gap:30px}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--slate);transition:color .2s;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links a::after{content:'';position:absolute;left:0;right:100%;bottom:-5px;height:2px;background:var(--brand);border-radius:2px;transition:right .25s}
.nav-links a:hover::after,.nav-links a.active::after{right:0}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-cta{position:relative;overflow:hidden;z-index:0;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;padding:10px 18px;border-radius:11px;background:var(--brand);color:#fff;box-shadow:var(--sh-brand);transition:transform .2s,box-shadow .2s}
.nav-cta::before{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(135deg,var(--brand-d),#182F75);clip-path:inset(0 100% 0 0);transition:clip-path .4s cubic-bezier(.45,0,.15,1)}
.nav-cta:hover::before{clip-path:inset(0 0 0 0)}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(24,47,117,.6)}
.nav-cta .arr{transition:transform .25s}
.nav-cta:hover .arr{transform:translate(2px,-2px)}
.nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:10px;min-width:44px;min-height:44px;align-items:center;justify-content:center}
.nav-burger span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s,opacity .25s}
.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-sheet{position:fixed;top:calc(70px + env(safe-area-inset-top));left:0;right:0;z-index:49;background:rgba(250,251,254,.97);-webkit-backdrop-filter:saturate(180%) blur(16px);backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--line);box-shadow:0 14px 30px -18px rgba(10,15,28,.18);display:flex;flex-direction:column;transform:translateY(-14px);opacity:0;visibility:hidden;pointer-events:none;transition:transform .3s ease,opacity .3s ease,visibility .3s}
.nav-sheet.open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
.nav-sheet a{padding:16px 28px;font-size:16px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.nav-sheet a:last-child{border-bottom:0}
#navbar{position:fixed;top:calc(70px + env(safe-area-inset-top));left:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--violet));transform-origin:0 50%;transform:scaleX(0);width:100%;z-index:51}

/* shared type helpers */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-d);background:var(--tint);border:1px solid var(--tint-line);padding:7px 15px;border-radius:999px}
.kicker{font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand)}
.grad{background:linear-gradient(108deg,var(--brand) 6%,#4566E6 44%,var(--violet) 98%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.grad2{background:linear-gradient(110deg,var(--brand-2),#A9C2FF);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.grad-good{background:linear-gradient(108deg,var(--good-d),#12B981);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.dotsep{width:3px;height:3px;border-radius:50%;background:var(--muted);margin:0 2px;flex:none}
.lead{text-align:center;max-width:640px;margin:0 auto 56px}
.lead h2{font-size:clamp(30px,4.4vw,48px);line-height:1.05;margin-top:14px}
.lead p{color:var(--slate);font-size:18px;margin-top:16px;line-height:1.6}

/* content pages (faq / security / legal) */
.page{padding:150px 0 30px}
.page h1{font-size:clamp(40px,7vw,70px);line-height:1.02;margin-top:20px}
.page .lead-sub{color:var(--slate);font-size:clamp(18px,2.4vw,20px);line-height:1.6;margin-top:20px;max-width:640px}
.page-head{max-width:760px;margin:0 auto 56px;text-align:center}
.page-head .lead-sub{margin-left:auto;margin-right:auto}

/* cards (security page, feature grids) */
.cards{display:grid;gap:18px}
.cards.c3{grid-template-columns:repeat(3,1fr)}
.cards.c2{grid-template-columns:repeat(2,1fr)}
.card-b{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--sh-card)}
.card-b .ix{width:44px;height:44px;border-radius:12px;background:var(--tint);color:var(--brand);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card-b h3{font-family:'Satoshi';font-weight:700;font-size:19px;letter-spacing:-0.02em;margin-bottom:7px}
.card-b p{color:var(--slate);font-size:15px;line-height:1.6}

/* dark band */
.darksec{position:relative;background:linear-gradient(160deg,var(--navy-2) 0%,var(--navy) 55%,#0A1430 100%);color:#fff;border-radius:30px;padding:60px 56px;overflow:hidden;margin:64px 0}
.darksec h2{color:#fff;font-size:clamp(26px,3.6vw,40px);line-height:1.1}
.darksec .kicker{color:var(--brand-2)}
.darksec p{color:var(--navy-muted)}

/* faq accordion — carded items with hover + open animation */
.faq{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.qa{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 1px 2px -1px rgba(10,15,28,.05);transition:border-color .2s,box-shadow .2s}
.qa:hover{border-color:#D3DDF5}
.qa[open]{border-color:#CCD9F7;box-shadow:0 12px 30px -18px rgba(10,15,28,.18)}
.qa summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;font-family:'Satoshi';font-weight:700;font-size:17px;letter-spacing:-0.01em;color:var(--ink);transition:color .2s}
.qa summary:hover{color:var(--brand)}
.qa summary::-webkit-details-marker{display:none}
.qa .plus{width:24px;height:24px;flex:none;position:relative;transition:transform .25s}
.qa[open] .plus{transform:rotate(135deg)}
.qa .plus::before,.qa .plus::after{content:'';position:absolute;background:var(--brand);border-radius:2px}
.qa .plus::before{top:11px;left:4px;right:4px;height:2px}.qa .plus::after{left:11px;top:4px;bottom:4px;width:2px}
.qa .ans{padding:0 22px 22px;color:var(--slate);font-size:15.5px;line-height:1.7;max-width:680px}
.qa .ans p+p{margin-top:10px}
@media(prefers-reduced-motion:no-preference){.qa[open] .ans{animation:faqopen .34s cubic-bezier(.22,.8,.2,1)}}
@keyframes faqopen{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.faq-group{max-width:780px;margin:0 auto 14px;font-family:'Satoshi';font-weight:700;font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.faq-group:not(:first-child){margin-top:44px}

/* legal */
.legal{max-width:720px;margin:0 auto;color:var(--slate);font-size:15.5px;line-height:1.75}
.legal h2{font-family:'Satoshi';font-weight:700;font-size:22px;color:var(--ink);margin:38px 0 12px;letter-spacing:-0.02em}
.legal p{margin-bottom:14px}
.legal ul{margin:0 0 14px 20px}.legal li{margin-bottom:8px}
.legal .upd{color:var(--muted);font-size:13.5px;margin-bottom:28px}
.legal a{color:var(--brand-d);font-weight:600}
.legal table{width:100%;border-collapse:collapse;margin:6px 0 18px;font-size:14.5px}
.legal th,.legal td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.legal th{font-weight:700;color:var(--ink);font-size:13px}

/* closer (content pages) */
.closer{text-align:center;max-width:680px;margin:80px auto 0}
.closer h2{font-size:clamp(30px,5vw,46px)}
.closer p{color:var(--slate);font-size:18px;margin:16px auto 26px;max-width:500px}

/* footer — dark brand-moment ending, shared across all pages */
footer{position:relative;overflow:hidden;padding:66px 0 40px;margin-top:80px;background:linear-gradient(180deg,#0A1129 0%,#0A0F22 100%);color:#fff;
  border-radius:clamp(24px,4vw,36px) clamp(24px,4vw,36px) 0 0}
/* oversized wordmark bleeding off the bottom edge */
footer::before{content:"CallSight";position:absolute;left:50%;bottom:-.27em;transform:translateX(-50%);
  font-family:'Satoshi','Inter',sans-serif;font-weight:900;letter-spacing:-0.05em;font-size:clamp(84px,20vw,300px);line-height:.8;
  color:rgba(255,255,255,.028);white-space:nowrap;pointer-events:none;z-index:0}
footer .wrap{position:relative;z-index:1}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;align-items:start}
.foot-brand .brand{margin-bottom:14px;color:#fff}
.foot-brand .brand .wm b{color:var(--brand-2)}
.foot-tag{color:#AEB6C9;font-size:14.5px;line-height:1.6;max-width:330px;margin-bottom:14px}
.foot-built{color:#7C88A3;font-size:12.5px;line-height:1.55;max-width:300px}
.foot-col b{font-family:'Satoshi';font-weight:700;font-size:13px;letter-spacing:.04em;text-transform:uppercase;color:#fff;display:block;margin-bottom:14px}
.foot-col a{display:block;color:#AEB6C9;font-size:14.5px;padding:5px 0;margin-bottom:2px;transition:color .2s}
.foot-col a:hover{color:#fff}
.foot-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-top:46px;padding-top:26px;border-top:1px solid rgba(255,255,255,.1);color:#7C88A3;font-size:13px}
.foot-cta{display:inline-flex;align-items:center;gap:6px;color:var(--brand-2);font-weight:700;font-size:14px}
.foot-cta:hover{color:#fff}
.foot-cta .arr{transition:transform .25s}
.foot-cta:hover .arr{transform:translateX(3px)}

@media(prefers-reduced-motion:reduce){html.anim [data-r]{opacity:1!important} *{animation:none!important;transition:none!important}}
@media(max-width:820px){.grain{display:none}}
@media(max-width:900px){.nav-links{gap:22px}}
@media(max-width:820px){
  .nav-links{display:none}
  .nav-burger{display:flex}
  .page{padding:120px 0 20px}
  .darksec{padding:44px 24px;border-radius:24px}
  .cards.c3,.cards.c2{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1/-1;margin-bottom:8px}
  /* comfortable touch targets (WCAG 2.5.5) for footer + inline links on small screens */
  .foot-col a{padding:11px 0;margin-bottom:0}
  .foot-cta,.foot-bottom a,.seeall{display:inline-flex;align-items:center;min-height:44px}
}