/* ===== Signaldesk — shared styles ===== */
:root{
  --bg:#F4F6FB;
  --bg-2:#EEF1FA;
  --card:#FFFFFF;
  --ink:#1E2A44;
  --ink-soft:#3A4767;
  --muted:#6B7280;
  --muted-2:#9AA3B2;
  --primary:#5B7CFA;
  --primary-2:#7C93F7;
  --primary-ink:#4457D6;
  --accent:#6366F1;
  --border:#E5E9F2;
  --border-strong:#D3DAEA;
  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(30,42,68,.06);
  --shadow:0 10px 30px rgba(64,86,161,.10);
  --shadow-lg:0 24px 60px rgba(64,86,161,.16);
  --maxw:1120px;
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;overflow-x:hidden;font-family:var(--font);color:var(--ink);
  background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:var(--primary-ink);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---- brand / logo ---- */
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink)}
.brand .mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,#6C8BFF,#5B7CFA);
  display:flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:0 6px 16px rgba(91,124,250,.45);
}
.brand .mark svg{width:20px;height:20px}

/* ---- nav ---- */
.nav{position:sticky;top:0;z-index:40;background:rgba(244,246,251,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:var(--ink-soft);font-weight:500;font-size:15px}
.nav-links a:hover{color:var(--ink);text-decoration:none}
.nav-cta{display:flex;align-items:center;gap:14px}

/* language toggle in nav */
.lang-select{position:relative;display:inline-flex;align-items:center;gap:6px;padding:7px 9px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--muted-2);transition:border-color .18s ease,color .18s ease}
.lang-select:hover{border-color:var(--border-strong);color:var(--ink-soft)}
.lang-select:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(91,124,250,.15)}
.lang-select select{appearance:none;border:0;outline:0;background:none;padding:0 2px;font-family:inherit;font-size:12.5px;font-weight:600;color:var(--ink-soft);cursor:pointer}
.lang-globe,.lang-caret{width:14px;height:14px;flex:0 0 auto;pointer-events:none}
.lang-caret{width:12px;height:12px}

/* ---- buttons ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-weight:700;font-size:16px;border:none;cursor:pointer;
  padding:14px 22px;border-radius:var(--radius);transition:.18s ease;font-family:inherit;
}
.btn-primary{background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#fff;box-shadow:0 10px 24px rgba(91,124,250,.35)}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px);text-decoration:none}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;filter:none}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--border-strong);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-ink);text-decoration:none}
.btn-sm{padding:10px 16px;font-size:14px;border-radius:11px}
.btn-block{width:100%}

/* ---- hero ---- */
.hero{padding:84px 0 60px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
   radial-gradient(600px 300px at 50% -40px,rgba(124,147,247,.18),transparent 70%);pointer-events:none}
.eyebrow{color:var(--accent);font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:13px;margin-bottom:18px}
.hero h1{font-size:clamp(34px,5vw,56px);line-height:1.08;letter-spacing:-.02em;margin:0 auto 20px;max-width:820px;font-weight:800}
.hero p.lead{font-size:19px;color:var(--muted);max-width:620px;margin:0 auto 32px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.trust{margin-top:22px;color:var(--muted-2);font-size:14px}

/* ---- sections ---- */
.section{padding:64px 0}
.section h2{font-size:clamp(26px,3.5vw,36px);text-align:center;letter-spacing:-.02em;margin:0 0 12px;font-weight:800;color:var(--ink)}
.section .sub{text-align:center;color:var(--muted);max-width:620px;margin:0 auto 44px;font-size:17px}

/* ---- feature grid ---- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm);transition:.18s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.card .ico{width:46px;height:46px;border-radius:12px;background:var(--bg-2);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:22px}
.card h3{margin:0 0 8px;font-size:18px;font-weight:700}
.card p{margin:0;color:var(--muted);font-size:15px}

/* ---- channels ---- */
.channels{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:820px;margin:0 auto}
.chip{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--border);border-radius:999px;padding:10px 18px 10px 14px;font-weight:600;color:var(--ink);font-size:14px;box-shadow:var(--shadow-sm);transition:.15s}
.chip:hover{border-color:var(--border-strong);box-shadow:var(--shadow);transform:translateY(-2px)}
.chip svg{width:18px;height:18px;flex:0 0 auto}

/* ---- CTA band ---- */
.cta-band{background:linear-gradient(135deg,#4A63E7,#6C8BFF);border-radius:24px;padding:56px 32px;text-align:center;color:#fff;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff;margin:0 0 12px}
.cta-band p{color:rgba(255,255,255,.9);margin:0 auto 26px;max-width:520px;font-size:17px}
.cta-band .btn-primary{background:#fff;color:var(--primary-ink)}
.cta-band .btn-primary:hover{background:#f3f5ff}

/* ---- footer ---- */
.footer{border-top:1px solid var(--border);padding:48px 0 40px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:minmax(220px,1.5fr) repeat(3,minmax(130px,1fr));gap:40px 48px;align-items:start}
.footer .brand{margin-bottom:14px}
.footer .fine{color:var(--muted);font-size:14px;max-width:34ch}
/* the three link columns join the parent grid directly */
.footer-cols{display:contents}
.footer-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted-2);margin:0 0 14px}
.footer-col a{display:block;color:var(--ink-soft);font-size:15px;margin-bottom:10px}
.footer-col a:hover{color:var(--primary-ink)}
.footer-col .finfo{display:block;color:var(--muted);font-size:14.5px;margin-bottom:8px}
.footer-legal{margin-top:20px;padding-top:18px;border-top:1px solid var(--border);color:var(--muted-2);font-size:13px;line-height:1.6}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:36px;padding-top:24px;border-top:1px solid var(--border);color:var(--muted);font-size:14px}
.lang-links a{margin-left:14px}

/* ---- auth (signup) ---- */
.auth-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:40px 20px 60px}
.auth-card{width:100%;max-width:460px;margin-top:10px}
.auth-card .brand{margin-bottom:34px}
.auth-eyebrow{color:var(--accent);font-weight:700;letter-spacing:.18em;text-transform:uppercase;font-size:13px;margin-bottom:10px}
.auth-card h1{font-size:40px;letter-spacing:-.02em;margin:0 0 8px;font-weight:800}
.auth-card .lead{color:var(--muted);margin:0 0 30px;font-size:17px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:15px;color:var(--ink-soft);margin-bottom:8px}
.field input{
  width:100%;padding:15px 16px;border:1px solid var(--border-strong);border-radius:var(--radius);
  font-size:16px;font-family:inherit;color:var(--ink);background:#fff;transition:.15s;
}
.field input::placeholder{color:var(--muted-2)}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(91,124,250,.15)}
.consent{display:flex;gap:12px;align-items:flex-start;margin:20px 0 22px}
.consent input{width:20px;height:20px;margin-top:2px;accent-color:var(--primary);flex:0 0 auto;cursor:pointer}
.consent label{font-size:14.5px;color:var(--ink-soft);line-height:1.5;cursor:pointer}
.auth-alt{text-align:center;color:var(--muted);margin-top:26px;font-size:15px}

/* ---- terms page ---- */
.terms-head{background:#fff;border-bottom:1px solid var(--border)}
.terms-head .nav-inner{height:64px}
.terms-hero{padding:44px 0 8px}
.terms-hero h1{font-size:clamp(28px,4vw,40px);margin:0 0 6px;letter-spacing:-.02em}
.terms-hero .meta{color:var(--muted);font-size:15px}
.lang-switch{display:inline-flex;background:#fff;border:1px solid var(--border-strong);border-radius:999px;padding:5px;gap:4px;margin:22px 0 10px;box-shadow:var(--shadow-sm)}
.lang-switch button{border:none;background:transparent;padding:9px 20px;border-radius:999px;font-weight:700;font-size:14px;cursor:pointer;color:var(--muted);font-family:inherit;transition:.15s}
.lang-switch button.active{background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#fff;box-shadow:0 6px 14px rgba(91,124,250,.35)}
.terms-body{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px 44px;margin:24px 0 60px;box-shadow:var(--shadow-sm)}
.terms-body h2{font-size:19px;color:var(--primary-ink);margin:30px 0 8px;letter-spacing:-.01em}
.terms-body h2:first-child{margin-top:0}
.terms-body p{margin:0 0 14px;color:var(--ink-soft);font-size:15.5px;text-align:justify}
.terms-body .preamble{color:var(--muted);font-size:15px}
.terms-body strong{color:var(--ink)}
.lang-pane{display:none}
.lang-pane.active{display:block}

/* ===== dark hero with product mockup ===== */
.hero-dark{position:relative;overflow:hidden;background:linear-gradient(155deg,#1E2E52 0%,#101d38 60%,#0c1730 100%);color:#fff;padding:64px 0 72px}
.hero-dark::after{content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(108,139,255,.25),transparent 65%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;position:relative;z-index:1}
.eyebrow-pill{display:inline-block;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#c7d2ec;padding:7px 15px;border-radius:999px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;margin-bottom:20px}
.hero-dark h1{font-size:clamp(34px,4.6vw,52px);line-height:1.06;letter-spacing:-.02em;margin:0 0 18px;font-weight:800;color:#fff}
.hero-dark .lead{font-size:18px;color:rgba(255,255,255,.72);max-width:480px;margin:0 0 28px}
.hero-dark .hero-actions{justify-content:flex-start}
.hero-dark .trust{color:rgba(255,255,255,.55)}
.btn-wa{background:#25D366;color:#fff}
.btn-wa:hover{filter:brightness(1.05);text-decoration:none;color:#fff}

/* inbox mockup */
.mock{background:#fff;border-radius:18px;box-shadow:0 30px 70px rgba(5,12,30,.45);overflow:hidden;border:1px solid rgba(255,255,255,.1)}
.mock-top{display:flex;align-items:center;gap:6px;padding:11px 14px;border-bottom:1px solid var(--border);background:#fbfcfe}
.mock-dot{width:9px;height:9px;border-radius:50%}
.mock-cols{display:grid;grid-template-columns:1fr 1.15fr}
.mock-list{border-right:1px solid var(--border);padding:10px}
.mock-list h5{margin:2px 6px 10px;font-size:13px;color:var(--ink)}
.conv{display:flex;gap:9px;align-items:center;padding:8px 6px;border-radius:10px}
.conv:hover{background:var(--bg-2)}
.conv .av{width:34px;height:34px;border-radius:50%;flex:0 0 auto;display:flex;align-items:center;justify-content:center;color:#fff;font-size:11.5px;font-weight:700;position:relative}
.conv .av .ch{position:absolute;right:-5px;bottom:-5px;width:20px;height:20px;border-radius:50%;background:#fff;border:1.5px solid #fff;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 3px rgba(16,24,40,.18)}
.conv .av .ch svg{width:14px;height:14px;display:block;shape-rendering:geometricPrecision}
.conv .who{font-size:12.5px;font-weight:600;color:var(--ink);line-height:1.2}
.conv .msg{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:150px}
.conv .t{margin-left:auto;font-size:10px;color:var(--muted-2)}
.mock-chat{padding:14px;background:#f7f9fc;display:flex;flex-direction:column;gap:10px}
.chat-hd{display:flex;align-items:center;gap:9px;padding:0 2px 10px;margin-bottom:2px;border-bottom:1px solid var(--border)}
.chat-hd .av{width:30px;height:30px;border-radius:50%;color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center}
.chat-hd .who{font-size:12.5px;font-weight:700;color:var(--ink);line-height:1.2}
.chat-hd .on{font-size:10.5px;color:#1D9E75;font-weight:600}
.bub{max-width:78%;padding:9px 12px;border-radius:14px;font-size:12px;line-height:1.4}
.bub.in{background:#fff;color:var(--ink);border:1px solid var(--border);align-self:flex-start;border-bottom-left-radius:4px}
.bub.out{background:#e7edff;color:#2b3a63;align-self:flex-end;border-bottom-right-radius:4px}
.bub.ai{background:linear-gradient(135deg,#7C93F7,#5B7CFA);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}

/* ===== feature visual cards ===== */
.feat3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.fcard{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:30px 24px 26px;text-align:center;box-shadow:var(--shadow-sm);transition:.18s;display:flex;flex-direction:column}
.fcard:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.fcard h3{font-size:20px;font-weight:700;margin:0 0 10px;color:var(--ink)}
.fcard p{color:var(--muted);font-size:14.5px;margin:0 0 20px}
.fvisual{margin-top:auto}
.mini{background:#fff;border:1px solid var(--border);border-radius:14px;padding:12px;text-align:left;box-shadow:var(--shadow-sm)}
.mini .conv{padding:7px 4px}

/* phone mockup */
.phone{background:#132038;border-radius:20px;padding:8px;max-width:230px;margin:0 auto;box-shadow:var(--shadow)}
.phone-hd{display:flex;align-items:center;gap:8px;background:#1f2c46;color:#fff;padding:9px 12px;border-radius:13px 13px 0 0;font-weight:700;font-size:13px}
.phone-hd .wa{width:20px;height:20px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center}
.phone-hd .wa svg{width:12px;height:12px}
.phone-bd{background:#f2f5f9;padding:14px 12px;border-radius:0 0 13px 13px;display:flex;flex-direction:column;gap:9px;min-height:150px}

/* donut dashboard */
.dash{background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px;box-shadow:var(--shadow-sm)}
.dash-hd{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--ink);font-weight:600;margin-bottom:8px}
.dash-hd b{font-size:22px;font-weight:800}
.legend{display:flex;flex-direction:column;gap:6px;margin-top:10px;font-size:12px;color:var(--ink-soft)}
.legend div{display:flex;align-items:center;gap:8px}
.legend .k{width:9px;height:9px;border-radius:50%;flex:0 0 auto}
.legend .v{margin-left:auto;font-weight:700}
.donut{width:118px;height:118px;border-radius:50%;margin:4px auto 2px;position:relative;background:conic-gradient(#1D9E75 0 76%,#1E2E52 76% 86%,#C9CED8 86% 100%)}
.donut::after{content:"";position:absolute;inset:24px;background:#fff;border-radius:50%}

/* ===== ecosystem tiles ===== */
.tiles{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;max-width:760px;margin:0 auto}
.tile{width:66px;height:66px;border-radius:16px;background:#fff;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);transition:.16s}
.tile:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.tile svg{width:30px;height:30px}

/* ===== pricing ===== */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:980px;margin:0 auto;align-items:stretch}
.plan{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:30px 26px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:.18s;position:relative}
.plan:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.plan.featured{border:2px solid var(--primary);box-shadow:var(--shadow)}
.plan .badge{position:absolute;top:-12px;left:26px;background:linear-gradient(135deg,var(--primary-2),var(--primary));color:#fff;font-size:12px;font-weight:700;padding:5px 13px;border-radius:999px}
.plan h3{font-size:19px;margin:0 0 6px;color:var(--ink)}
.plan .desc{color:var(--muted);font-size:14px;margin:0 0 18px;min-height:42px}
.plan .price{font-size:34px;font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1}
.plan .price small{font-size:15px;font-weight:600;color:var(--muted)}
.plan .per{color:var(--muted);font-size:13px;margin:6px 0 20px}
.plan ul{list-style:none;padding:0;margin:0 0 24px;display:flex;flex-direction:column;gap:11px}
.plan li{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:var(--ink-soft)}
.plan li svg{width:17px;height:17px;flex:0 0 auto;margin-top:2px;color:var(--primary)}
.plan .btn{margin-top:auto;width:100%}

/* ===== motion ===== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.mock{animation:floaty 6.5s ease-in-out infinite}
@media(prefers-reduced-motion:reduce){
  .mock{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ===== FAQ ===== */
.faq{max-width:760px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:14px;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .18s}
.faq-item:hover{box-shadow:var(--shadow)}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;width:100%;text-align:left;padding:18px 22px;background:none;border:none;font-family:inherit;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer}
.faq-q .ic{flex:0 0 auto;width:24px;height:24px;line-height:22px;text-align:center;font-size:22px;font-weight:400;color:var(--primary);transition:transform .28s ease}
.faq-item.open .faq-q .ic{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{margin:0;padding:0 22px 20px;color:var(--muted);font-size:15px}

@media(max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-dark .lead{max-width:none}
  .feat3{grid-template-columns:1fr}
  .pricing{grid-template-columns:1fr}
}
@media(max-width:820px){
  .grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .terms-body{padding:26px 22px}
  /* Four columns cannot hold their minimums on a tablet, let alone a phone. */
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:600px){
  /* Brand, language picker and both buttons do not fit on one phone-width
     row, so let the actions drop to a second row instead of overflowing. */
  .nav-inner{flex-wrap:wrap;height:auto;padding-top:12px;padding-bottom:12px;gap:10px}
  .nav-cta{width:100%;justify-content:space-between;gap:8px}
  .nav-cta .btn{padding:9px 12px;font-size:13.5px;white-space:nowrap}
  /* The row still ran past the container's padding on a 375px screen; the
     globe is decorative and the select already names the language. */
  .lang-select{padding:6px 8px;gap:4px}
  .lang-select .lang-globe{display:none}
  .brand{font-size:18px}
  .brand .mark{width:34px;height:34px}

  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer .fine{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .lang-links a{margin-left:0;margin-right:14px}

  /* The inbox mockup is a two-pane desktop layout; stack it. */
  .mock-cols{grid-template-columns:1fr}
  .mock-list{border-right:none;border-bottom:1px solid var(--border)}
  .bub{max-width:88%}

  .hero{padding:56px 0 44px}
  .section{padding:48px 0}
  .cta-band{padding:40px 20px}
}