/* ===== Tokens ===== */
:root{
  --blue:#1a56ff;
  --blue-bright:#2f6bff;
  --blue-deep:#0b40ff;
  --navy:#0a1f44;
  --ink:#0d1b34;
  --muted:#5a6a86;
  --line:#e9edf5;
  --soft:#f5f7fc;
  --white:#ffffff;
  --radius:18px;
  --shadow-sm:0 4px 18px rgba(13,27,52,.06);
  --shadow-md:0 18px 50px rgba(13,27,52,.10);
  --shadow-blue:0 16px 40px rgba(26,86,255,.28);
  --maxw:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--white);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
section{padding:96px 24px}
.section-head{max-width:720px;margin:0 auto 56px;text-align:center}
.section-head h2{font-size:clamp(1.9rem,4vw,2.8rem);font-weight:800;letter-spacing:-.02em;color:var(--navy)}
.section-head p{color:var(--muted);font-size:1.1rem;margin-top:14px}
.tag{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--blue);background:rgba(26,86,255,.08);
  padding:7px 14px;border-radius:999px;margin-bottom:18px;
}
.grad-text{
  background:linear-gradient(120deg,var(--blue-bright),var(--blue-deep));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ===== Logo mark (swap /assets/logo.svg to rebrand) ===== */
.brand-mark{display:inline-block;width:34px;height:34px;object-fit:contain}
.brand-mark.small{width:26px;height:26px}
.brand-mark.xl{width:72px;height:72px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:.95rem;border-radius:999px;cursor:pointer;
  border:1px solid transparent;transition:transform .15s ease,box-shadow .2s ease,background .2s ease;
  padding:12px 22px;
}
.btn-lg{padding:15px 30px;font-size:1.02rem}
.btn-primary{background:linear-gradient(120deg,var(--blue-bright),var(--blue-deep));color:#fff;box-shadow:var(--shadow-blue)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 50px rgba(26,86,255,.4)}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}

/* ===== Navbar ===== */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px clamp(20px,5vw,48px);
  background:rgba(255,255,255,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px}
.brand-name{font-weight:800;font-size:1.35rem;letter-spacing:-.02em;color:var(--navy)}
.brand-x{color:var(--blue)}
.nav-links{display:flex;gap:30px}
.nav-links a{font-weight:600;color:#43526b;font-size:.96rem;transition:color .2s}
.nav-links a:hover{color:var(--blue)}
.nav-cta{padding:10px 20px}

/* ===== Hero ===== */
.hero{position:relative;text-align:center;padding:clamp(70px,10vw,120px) 24px 90px;overflow:hidden}
.hero-inner{max-width:820px;margin:0 auto;position:relative;z-index:2}
.eyebrow{
  display:inline-block;font-size:.82rem;font-weight:700;color:var(--blue);
  background:rgba(26,86,255,.08);padding:8px 16px;border-radius:999px;margin-bottom:26px;
  border:1px solid rgba(26,86,255,.15);
}
.hero-title{font-size:clamp(2.6rem,7vw,4.6rem);font-weight:800;line-height:1.05;letter-spacing:-.03em;color:var(--navy)}
.hero-sub{font-size:clamp(1.05rem,2vw,1.25rem);color:var(--muted);margin:26px auto 38px;max-width:620px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-trust{
  display:flex;gap:40px;justify-content:center;flex-wrap:wrap;margin-top:60px;
}
.hero-trust div{display:flex;flex-direction:column}
.hero-trust strong{font-size:1.5rem;font-weight:800;color:var(--navy)}
.hero-trust span{font-size:.9rem;color:var(--muted)}
.hero-glow{
  position:absolute;top:-160px;left:50%;transform:translateX(-50%);
  width:820px;height:520px;
  background:radial-gradient(closest-side,rgba(26,86,255,.16),rgba(26,86,255,0) 70%);
  z-index:1;pointer-events:none;
}

/* ===== Demo ===== */
.demo{background:var(--white)}
.demo-stage{max-width:640px;margin:0 auto}
.chat{
  border:1px solid var(--line);border-radius:26px;background:#fff;
  box-shadow:var(--shadow-md);overflow:hidden;
}
.chat-top{
  display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid var(--line);
}
.chat-title{font-weight:800;color:var(--navy)}
.chat-live{
  margin-left:auto;display:flex;align-items:center;gap:7px;font-size:.8rem;font-weight:700;
  color:#12a150;background:rgba(18,161,80,.1);padding:5px 11px;border-radius:999px;
}
.chat-live i{width:8px;height:8px;border-radius:50%;background:#12a150;display:inline-block;animation:pulse 1.4s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.75)}}

.chat-body{min-height:280px;padding:22px;display:flex;flex-direction:column;gap:14px;background:var(--soft)}
.msg{max-width:82%;padding:13px 17px;border-radius:16px;font-size:.97rem;animation:rise .4s ease both}
.msg p{margin:0}
.msg-user{align-self:flex-end;background:linear-gradient(120deg,var(--blue-bright),var(--blue-deep));color:#fff;border-bottom-right-radius:5px;min-height:22px}
.msg-biz{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px;box-shadow:var(--shadow-sm)}
.msg-biz .biz-name{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--navy);font-size:.9rem;margin-bottom:5px}
.msg-biz .biz-name .dot{width:9px;height:9px;border-radius:50%;background:var(--blue)}
.msg-biz .biz-offer{color:#3b4a63;font-size:.92rem}
.msg-biz .biz-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:9px}
.msg-biz .pill{font-size:.72rem;font-weight:700;padding:4px 10px;border-radius:999px;background:rgba(26,86,255,.08);color:var(--blue)}
.msg-biz .pill.green{background:rgba(18,161,80,.1);color:#12a150}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}

.cursor{color:#fff;font-weight:400;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.typing-dots{display:inline-flex;gap:4px;padding:4px 0}
.typing-dots span{width:7px;height:7px;border-radius:50%;background:#b7c1d6;animation:bounce 1.2s infinite}
.typing-dots span:nth-child(2){animation-delay:.15s}
.typing-dots span:nth-child(3){animation-delay:.3s}
@keyframes bounce{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-5px);opacity:1}}

.chat-input{display:flex;gap:10px;padding:16px 18px;border-top:1px solid var(--line);background:#fff}
.chat-input input{
  flex:1;border:1px solid var(--line);border-radius:999px;padding:12px 18px;font-size:.98rem;
  font-family:inherit;color:var(--ink);background:var(--soft);outline:none;transition:border .2s,background .2s;
}
.chat-input input:focus{border-color:var(--blue);background:#fff}

.demo-disclaimer{
  margin:20px auto 0;max-width:560px;font-size:.9rem;font-weight:600;color:#8a5a00;
  background:#fff7e6;border:1px solid #ffe2a8;border-radius:14px;padding:12px 18px;
}
.chat-demo-badge{
  font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:#8a5a00;background:#fff2d1;border:1px solid #ffdf9e;
  padding:3px 9px;border-radius:999px;
}
.demo-note{text-align:center;margin-top:14px;color:#9aa6bd;font-size:.82rem;font-style:italic}
.demo-hint{text-align:center;margin-top:22px;color:var(--muted);font-size:.92rem}
.chip{
  font-family:inherit;font-size:.85rem;font-weight:600;cursor:pointer;
  border:1px solid var(--line);background:#fff;color:var(--navy);
  padding:7px 14px;border-radius:999px;margin:4px;transition:all .2s;
}
.chip:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-1px)}

/* ===== How ===== */
.how{background:var(--soft)}
.steps{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;transition:transform .25s,box-shadow .25s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.step-num{font-size:1.05rem;font-weight:800;color:var(--blue);background:rgba(26,86,255,.1);width:46px;height:46px;display:grid;place-items:center;border-radius:14px}
.step h3{margin:20px 0 10px;font-size:1.3rem;color:var(--navy);font-weight:700}
.step p{color:var(--muted)}

/* ===== Categories ===== */
.cat-grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.cat:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(26,86,255,.3)}
.cat-ico{font-size:2rem;display:block;margin-bottom:14px}
.cat h4{font-size:1.15rem;color:var(--navy);font-weight:700;margin-bottom:6px}
.cat p{color:var(--muted);font-size:.92rem}

/* ===== Why ===== */
.why{background:var(--soft)}
.why-grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:transform .25s,box-shadow .25s}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.feature h3{font-size:1.25rem;color:var(--navy);font-weight:700;margin-bottom:8px}
.feature p{color:var(--muted)}

/* ===== Closing ===== */
.closing{padding:110px 24px}
.closing-inner{
  max-width:820px;margin:0 auto;text-align:center;
  background:linear-gradient(135deg,#0a1f44,#0b2f8f 55%,#1a56ff);
  border-radius:34px;padding:70px 40px;color:#fff;
  box-shadow:var(--shadow-blue);position:relative;overflow:hidden;
}
.closing-inner h2{font-size:clamp(2.2rem,5vw,3.4rem);font-weight:800;letter-spacing:-.02em;margin:22px 0 8px}
.closing-inner>p{font-size:1.25rem;color:rgba(255,255,255,.85);margin-bottom:34px}
.closing-inner .btn-primary{background:#fff;color:var(--blue-deep);box-shadow:0 14px 34px rgba(0,0,0,.25)}
.closing-inner .btn-primary:hover{transform:translateY(-2px)}
.closing-tag{display:block;margin-top:26px;font-weight:600;color:rgba(255,255,255,.7);letter-spacing:.02em}

/* ===== Footer ===== */
.footer{background:var(--navy);color:#c4d0e6;padding:70px 24px 30px}
.footer-grid{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.footer .brand-name{color:#fff}
.footer-brand p{margin-top:16px;color:#8ea1c2;max-width:340px}
.footer-col h5{color:#fff;font-size:.95rem;letter-spacing:.05em;text-transform:uppercase;margin-bottom:16px}
.footer-col a{display:block;color:#a9b8d4;margin-bottom:11px;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{
  max-width:var(--maxw);margin:44px auto 0;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.85rem;color:#8ea1c2;
}
.footer-credit{
  max-width:var(--maxw);margin:18px auto 0;text-align:center;font-size:.9rem;
  color:#a9b8d4;display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;
}
.footer-credit a{color:#fff;font-weight:700;transition:color .2s}
.footer-credit a:hover{color:var(--blue-bright)}
.footer-credit .credit-dot{color:#5f7099}

/* ===== Responsive ===== */
@media(max-width:900px){
  .nav-links{display:none}
  .steps,.why-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:30px}
}
@media(max-width:520px){
  section{padding:70px 18px}
  .cat-grid{grid-template-columns:1fr}
  .hero-trust{gap:26px}
  .nav-cta{display:none}
}


/* ===== Floating WhatsApp chat ===== */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:80;
  display:inline-flex;align-items:center;gap:0;
  height:60px;padding:0;width:60px;
  background:#25d366;color:#fff;border-radius:999px;
  box-shadow:0 10px 30px rgba(37,211,102,.45);
  overflow:hidden;text-decoration:none;
  transition:width .35s cubic-bezier(.2,.7,.3,1),box-shadow .25s,transform .2s;
}
.wa-float::before{
  content:"";position:absolute;right:0;bottom:0;width:60px;height:60px;border-radius:50%;
  background:#25d366;z-index:-1;animation:wa-pulse 2.2s ease-out infinite;
}
@keyframes wa-pulse{0%{transform:scale(1);opacity:.6}70%{transform:scale(1.6);opacity:0}100%{opacity:0}}
.wa-icon{width:32px;height:32px;flex:0 0 auto;margin:0 14px}
.wa-label{
  white-space:nowrap;font-weight:700;font-size:.98rem;
  opacity:0;transform:translateX(-6px);transition:opacity .25s,transform .3s;padding-right:4px;
}
.wa-float:hover{width:196px;box-shadow:0 14px 36px rgba(37,211,102,.55);transform:translateY(-2px)}
.wa-float:hover .wa-label{opacity:1;transform:translateX(0)}
.wa-float:focus-visible{outline:3px solid rgba(37,211,102,.4);outline-offset:3px}

@media(max-width:520px){
  .wa-float{right:16px;bottom:16px;height:56px;width:56px}
  .wa-icon{width:29px;height:29px;margin:0 13px}
  .wa-float:hover{width:56px}          /* keep compact on mobile: tap to open */
  .wa-float:hover .wa-label{opacity:0}
}