/* =====================================================================
   Signalift site — the shared stylesheet (the home page and /pricing).
   Tokens, base, type scale, buttons, the nav and its mobile menu, the dark
   hero shell, the WhatsApp chat picture, the FAQ, the closing band, the
   footer and the fade-in on scroll. Page-only styles: /static/home.css and
   the pricing page's own <style>. Versioned by V (src/site-chrome.ts).
   ===================================================================== */
:root{
  --navy:#0A1020;--navy-2:#0E1628;--navy-3:#131D33;--navy-line:rgba(255,255,255,.08);
  --ink:#0B1220;--text:#2B3445;--mut:#5A6577;--mut-2:#64748B;
  --line:#E6EAF0;--line-2:#D9DFE8;--soft:#F6F8FB;--soft-2:#EEF2F7;--card:#FFFFFF;
  --acc:#3B82F6;--acc-strong:#2563EB;--acc-ink:#1D4ED8;--acc-tint:#EFF5FF;--acc-light:#93C5FD;
  --good:#047857;--good-tint:#ECFDF5;--warn:#B45309;--warn-tint:#FFFBEB;--bad:#BE123C;--bad-tint:#FFF1F2;
  --d-text:#E6ECF7;--d-mut:#B4C1D6;--d-mut-2:#8E9BB4;
  --fs-display:clamp(40px,5.2vw,64px);--fs-h1:clamp(38px,5vw,60px);--fs-h2:clamp(30px,3.5vw,44px);--fs-h3:clamp(22px,2.3vw,30px);--fs-lead:clamp(17px,1.35vw,19px);
  --sec-y:clamp(72px,9vw,120px);--nav-h:68px;--gutter:24px;
  --r-sm:10px;--r:14px;--r-lg:20px;--r-xl:24px;
  --sh-1:0 1px 2px rgba(16,24,40,.05);
  --sh-2:0 1px 2px rgba(16,24,40,.04),0 12px 32px -16px rgba(16,24,40,.20);
  --sh-3:0 2px 4px rgba(16,24,40,.04),0 32px 64px -28px rgba(16,24,40,.38);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.6;background:#fff;color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}
h1,h2,h3,h4{font-family:Sora,Inter,system-ui,sans-serif;color:var(--ink);line-height:1.15;letter-spacing:-.02em;font-weight:700}
p{text-wrap:pretty}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font-family:inherit;color:inherit;cursor:pointer}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:6px}
.sr{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:200;padding:10px 16px;border-radius:10px;background:#fff;color:var(--ink);font-weight:600;box-shadow:var(--sh-2);transition:top .15s}
.skip:focus{top:12px}
.wrap{max-width:1248px;margin:0 auto;padding:0 var(--gutter)}
section[id],[id].pillar{scroll-margin-top:calc(var(--nav-h) + 16px)}

/* ---- sections and their heads ---- */
.sec{padding:var(--sec-y) 0}
.sec.alt{background:var(--soft)}
.kick{display:inline-block;color:var(--acc-strong);font-weight:600;font-size:13px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
.sec-head{max-width:720px;margin-bottom:clamp(36px,4.5vw,56px)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:var(--fs-h2);letter-spacing:-.03em;line-height:1.1;text-wrap:balance}
.sec-head p{color:var(--mut);margin-top:16px;font-size:var(--fs-lead);line-height:1.6}
.sec-head.center p{text-wrap:balance}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 20px;border-radius:12px;border:1px solid transparent;font:600 15px/1.1 Inter,system-ui,sans-serif;letter-spacing:-.005em;text-align:center;white-space:nowrap;cursor:pointer;transition:background-color .15s,border-color .15s,box-shadow .15s,color .15s,transform .15s}
.btn i{font-size:.82em;transition:transform .15s var(--ease)}
.btn:hover i.fa-arrow-right{transform:translateX(2px)}
.btn-primary{background:var(--acc-strong);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.16),0 1px 2px rgba(10,16,32,.22),0 10px 24px -12px rgba(37,99,235,.75)}
.btn-primary:hover{background:var(--acc-ink)}
.btn-glass{background:#fff;color:var(--ink);border-color:var(--line-2);box-shadow:var(--sh-1)}
.btn-glass:hover{background:#F8FAFC;border-color:#C9D2DE}
.hero .btn-glass,.dark .btn-glass,.cta-final .btn-glass{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.2);color:#fff;box-shadow:none}
.hero .btn-glass:hover,.dark .btn-glass:hover,.cta-final .btn-glass:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.32)}
.btn-lg{min-height:54px;padding:0 26px;font-size:16px;border-radius:13px}
.btn-sm{min-height:38px;padding:0 15px;font-size:14px;border-radius:10px}
.link{display:inline-flex;align-items:center;gap:7px;font-weight:600;color:var(--acc-strong)}
.link i{font-size:.8em;transition:transform .15s var(--ease)}
.link:hover{color:var(--acc-ink)}
.link:hover i{transform:translateX(2px)}

/* ---- the nav: transparent over the dark hero, solid navy once scrolled ---- */
.nav{position:sticky;top:0;z-index:60;height:var(--nav-h);color:#fff;border-bottom:1px solid transparent;transition:background-color .2s,border-color .2s}
.nav.is-scrolled,.nav.is-open{background:rgba(10,16,32,.82);-webkit-backdrop-filter:saturate(160%) blur(14px);backdrop-filter:saturate(160%) blur(14px);border-bottom-color:var(--navy-line)}
.nav-in{height:100%;display:flex;align-items:center;gap:20px}
.nav-logo{display:inline-flex;align-items:center;flex:none;border-radius:8px}
.logo-img{height:34px;width:auto}
.nav-menu{flex:1;display:flex;align-items:center;gap:20px;min-width:0}
.nav-links{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-links a,.nav-signin{padding:8px 13px;border-radius:9px;font-size:14.5px;font-weight:500;color:#C9D4E5;transition:color .15s,background-color .15s}
.nav-links a:hover,.nav-signin:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-links a[aria-current]{color:#fff;font-weight:600}
.nav-acts{display:flex;align-items:center;gap:6px}
.nav-toggle{display:none}
@media (max-width:900px){
  .nav-toggle{display:inline-grid;place-items:center;width:44px;height:44px;margin-left:auto;border-radius:11px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05);color:#fff}
  .nav-bars,.nav-bars::before,.nav-bars::after{display:block;width:18px;height:2px;border-radius:2px;background:currentColor;transition:transform .2s var(--ease),opacity .2s}
  .nav-bars{position:relative}
  .nav-bars::before,.nav-bars::after{content:"";position:absolute;left:0}
  .nav-bars::before{top:-6px}
  .nav-bars::after{top:6px}
  .nav.is-open .nav-bars{background:transparent}
  .nav.is-open .nav-bars::before{transform:translateY(6px) rotate(45deg)}
  .nav.is-open .nav-bars::after{transform:translateY(-6px) rotate(-45deg)}
  .nav-menu{display:none;position:absolute;left:0;right:0;top:var(--nav-h);flex-direction:column;align-items:stretch;gap:0;padding:8px var(--gutter) 24px;background:var(--navy);border-bottom:1px solid var(--navy-line);box-shadow:0 28px 48px -20px rgba(0,0,0,.6);max-height:calc(100vh - var(--nav-h));overflow-y:auto}
  .nav.is-open .nav-menu{display:flex}
  .nav-links{flex-direction:column;align-items:stretch;margin:0;gap:0}
  .nav-links a{padding:15px 2px;font-size:17px;border-radius:0;border-bottom:1px solid rgba(255,255,255,.07)}
  .nav-links a:hover{background:transparent}
  .nav-acts{flex-direction:column;align-items:stretch;gap:10px;margin-top:20px}
  .nav-signin{display:flex;align-items:center;justify-content:center;min-height:48px;border:1px solid rgba(255,255,255,.18);font-size:16px}
  .nav-acts .btn{min-height:48px;font-size:16px}
}

/* ---- the dark hero shell (both pages) ---- */
.hero{position:relative;isolation:isolate;overflow:hidden;margin-top:calc(-1 * var(--nav-h));padding:calc(var(--nav-h) + clamp(48px,7vw,88px)) 0 clamp(72px,8vw,104px);background:var(--navy);color:var(--d-text)}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background:
  radial-gradient(900px 520px at 88% -8%,rgba(59,130,246,.30),transparent 62%),
  radial-gradient(720px 480px at -6% 4%,rgba(99,102,241,.15),transparent 60%),
  radial-gradient(900px 420px at 50% 118%,rgba(59,130,246,.12),transparent 62%)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(75% 65% at 50% 0%,#000 25%,transparent 78%);mask-image:radial-gradient(75% 65% at 50% 0%,#000 25%,transparent 78%)}
.eyebrow{display:inline-flex;align-items:center;gap:9px;max-width:100%;padding:6px 14px 6px 6px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);color:#DCE5F3;font-size:13.5px;font-weight:500;line-height:1.3;transition:border-color .15s,background-color .15s}
a.eyebrow:hover{border-color:rgba(255,255,255,.24);background:rgba(255,255,255,.08)}
.eyebrow .tag{flex:none;font-size:11.5px;font-weight:700;letter-spacing:.04em;padding:3px 9px;border-radius:999px;background:rgba(59,130,246,.2);border:1px solid rgba(96,165,250,.38);color:#C7DCFF}
.eyebrow i{font-size:11px;color:#93A6C4}
.eyebrow.plain{padding:6px 14px}
.hero h1{margin-top:24px;font-size:var(--fs-display);font-weight:700;line-height:1.04;letter-spacing:-.038em;color:#fff;text-wrap:balance}
.hero h1 em{font-style:normal;background:linear-gradient(92deg,#A9CCFF 0%,#60A5FA 48%,#3B82F6 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin-top:22px;font-size:var(--fs-lead);line-height:1.62;color:var(--d-mut);max-width:620px}
/* A line of facts under the hero's buttons (the home trust line, the pricing pills). */
.chips{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px}
.chip{display:inline-flex;align-items:center;gap:8px;color:#C3CEDF;font-size:14px;font-weight:500}
.chip i{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:rgba(52,211,153,.14);color:#6EE7B7;font-size:9.5px}

/* ---- a product picture's backdrop (both pages) ---- */
.stage{position:relative;isolation:isolate;overflow:hidden;border-radius:var(--r-xl);padding:clamp(20px,3.6vw,44px);background:linear-gradient(155deg,#E9F0FE 0%,#F4F7FD 50%,#EFF3F9 100%);border:1px solid #E0E8F4}
.stage::before{content:"";position:absolute;inset:0;z-index:-1;background-image:radial-gradient(rgba(37,99,235,.11) 1px,transparent 1px);background-size:18px 18px;-webkit-mask-image:linear-gradient(160deg,#000 0%,transparent 65%);mask-image:linear-gradient(160deg,#000 0%,transparent 65%)}
.stage::after{content:"";position:absolute;z-index:-1;width:70%;height:70%;right:-18%;bottom:-24%;background:radial-gradient(closest-side,rgba(59,130,246,.16),transparent)}

/* ---- the WhatsApp chat picture (Signabot, on both pages) ---- */
.phone{width:100%;max-width:380px;margin:0 auto;border-radius:30px;padding:9px;background:#0B1220;box-shadow:0 0 0 1px rgba(255,255,255,.06) inset,0 30px 60px -24px rgba(2,6,23,.55),0 12px 24px -12px rgba(2,6,23,.35)}
.ph-screen{border-radius:22px;overflow:hidden;background:#EFEAE2}
.ph-h{display:flex;align-items:center;gap:11px;padding:12px 14px;background:#0F172A;color:#fff}
.ph-av{width:36px;height:36px;border-radius:50%;background:#16213B;display:grid;place-items:center;flex:none}
.ph-h b{display:block;font-size:15px;line-height:1.2;font-weight:600}
.ph-h small{font-size:12px;color:#6EE7B7}
.ph-b{padding:14px 12px 16px;display:flex;flex-direction:column;gap:8px;background-image:radial-gradient(rgba(15,23,42,.05) 1px,transparent 1px);background-size:16px 16px}
.bub{max-width:86%;padding:8px 11px 6px;font-size:14px;line-height:1.48;border-radius:12px;box-shadow:0 1px 1px rgba(0,0,0,.08);color:#111B21}
.bub.me{align-self:flex-end;background:#D9FDD3;border-top-right-radius:4px}
.bub.bot{align-self:flex-start;background:#fff;border-top-left-radius:4px}
.bub time{display:block;text-align:right;font-size:10.5px;color:#667781;margin-top:1px}
.bub[dir=rtl]{font-family:Inter,"Segoe UI",Tahoma,sans-serif}
.bub[dir=rtl] time{text-align:left}
.voice{display:flex;align-items:center;gap:10px;min-width:236px}
.voice .play{width:32px;height:32px;border-radius:50%;background:var(--acc-strong);color:#fff;display:grid;place-items:center;font-size:11px;flex:none}
.wave{display:flex;align-items:center;gap:2px;flex:1;height:26px}
.wave i{display:block;width:3px;border-radius:2px;background:#9AA9BB}
.wave i.p{background:var(--acc-strong)}
.voice .len{font-size:12px;color:#667781;font-variant-numeric:tabular-nums}
.cap{font-size:11.5px;color:#54656F;align-self:center;background:rgba(255,255,255,.82);border-radius:8px;padding:3px 10px;box-shadow:0 1px 1px rgba(0,0,0,.04)}

/* ---- FAQ: questions and answers, always open ---- */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:0 48px}
.faq>div{padding:24px 0 26px;border-top:1px solid var(--line)}
.faq h3{font-size:17px;font-weight:600;letter-spacing:-.012em;line-height:1.38;color:var(--ink)}
.faq p{margin-top:8px;color:var(--mut);font-size:15.5px;line-height:1.62}
.faq.one{grid-template-columns:1fr}

/* ---- the closing band ---- */
.cta-final{position:relative;isolation:isolate;overflow:hidden;padding:clamp(80px,10vw,128px) 0;text-align:center;background:var(--navy);color:var(--d-text)}
.cta-final::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(680px 380px at 50% -4%,rgba(59,130,246,.32),transparent 66%),radial-gradient(560px 320px at 50% 112%,rgba(99,102,241,.16),transparent 62%)}
.cta-final::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(60% 70% at 50% 0%,#000 20%,transparent 75%);mask-image:radial-gradient(60% 70% at 50% 0%,#000 20%,transparent 75%)}
.cta-final h2{max-width:780px;margin:0 auto;font-size:var(--fs-h2);letter-spacing:-.032em;line-height:1.1;color:#fff;text-wrap:balance}
.cta-final h2 em{font-style:normal;color:var(--acc-light)}
.cta-final p{max-width:580px;margin:18px auto 0;font-size:var(--fs-lead);color:var(--d-mut)}
.cta-final .acts{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:34px}
.cta-final .fine{margin-top:18px;font-size:13.5px;color:var(--d-mut-2)}

/* ---- footer ---- */
footer{background:#070C18;color:var(--d-mut-2);font-size:14px;border-top:1px solid var(--navy-line)}
.foot{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,2fr);gap:48px;padding-top:64px;padding-bottom:48px}
.foot-logo{display:inline-flex;border-radius:6px}
.foot-logo img{height:28px;width:auto}
.foot-brand p{margin-top:16px;max-width:340px;line-height:1.6;color:var(--d-mut-2)}
.foot-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.foot-h{font-size:12.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#E6ECF7;margin-bottom:14px}
.foot-nav ul{display:grid;gap:10px}
.foot-nav a{color:var(--d-mut);transition:color .15s}
.foot-nav a:hover,.foot-nav a[aria-current]{color:#fff}
.foot-base{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;padding-top:22px;padding-bottom:26px;font-size:13px;background:linear-gradient(var(--navy-line),var(--navy-line)) center top/calc(100% - 2 * var(--gutter)) 1px no-repeat}
.poweredby{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;color:var(--d-mut-2);transition:color .15s}
.poweredby:hover{color:#fff}
.poweredby .tk{width:15px;height:15px;display:inline-flex;color:#fff}
.poweredby b{color:#fff;font-weight:800;letter-spacing:.08em;font-size:12px}

/* ---- the fade-in on scroll (site.js adds .rv-on, then .in as each comes into view) ---- */
.rv{transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:var(--d,0s)}
.rv-on .rv:not(.in){opacity:0;transform:translateY(18px)}

@media (max-width:900px){
  .faq{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr;gap:36px}
}
@media (max-width:640px){
  :root{--gutter:16px;--nav-h:64px}
  .logo-img{height:30px}
  .btn-lg{min-height:52px;padding:0 22px}
  .hero .lead{font-size:17px}
  .chips{gap:10px 18px}
  .cta-final .acts{flex-direction:column;align-items:stretch}
  .foot-nav{grid-template-columns:1fr 1fr;row-gap:32px}
  .foot-base{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .rv-on .rv:not(.in){opacity:1;transform:none}
}