/* ============ Dave on Duty — style.css ============ */
:root{
  --bg:#070b16;
  --bg-alt:#0b1122;
  --panel:#101830;
  --panel-2:#141d3a;
  --line:rgba(148,163,255,.14);
  --text:#e8ecff;
  --muted:#9aa5c9;
  --accent:#6366f1;
  --accent-2:#22d3ee;
  --grad:linear-gradient(92deg,#818cf8 0%,#22d3ee 100%);
  --shadow:0 20px 60px rgba(3,6,20,.55);
  --radius:18px;
  --font-body:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-head:'Sora','Inter',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--text);
  font-family:var(--font-body);font-size:16px;line-height:1.65;
  overflow-x:hidden;
}
h1,h2,h3{font-family:var(--font-head);line-height:1.15;letter-spacing:-.02em}
img{max-width:100%}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
a{color:inherit;text-decoration:none}
.container{width:min(1160px,92%);margin:0 auto}
.container-narrow{width:min(820px,92%)}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.72rem 1.35rem;border-radius:999px;font-weight:600;font-size:.95rem;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  white-space:nowrap;
}
.btn-lg{padding:.95rem 1.8rem;font-size:1.05rem}
.btn-block{width:100%;justify-content:center}
.btn-primary{
  background:var(--grad);color:#04101f;
  box-shadow:0 8px 30px rgba(99,102,241,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 38px rgba(34,211,238,.4)}
.btn-ghost{
  border:1px solid var(--line);color:var(--text);
  background:rgba(255,255,255,.03);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn-arrow{transition:transform .18s}
.btn:hover .btn-arrow{transform:translateX(4px)}
.linklike{
  color:#8fd8ff;font-weight:600;padding:0;
  border-bottom:1px dashed rgba(143,216,255,.5);
}
.linklike:hover{color:#c3ecff}

/* ---------- Nav ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:900;
  padding:.9rem 0;transition:background .25s,box-shadow .25s,padding .25s;
}
.nav.scrolled{
  background:rgba(7,11,22,.82);backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--line);padding:.55rem 0;
}
.nav-inner{display:flex;align-items:center;gap:2rem}
.logo{display:flex;align-items:center;gap:.55rem;font-family:var(--font-head);font-weight:800;font-size:1.15rem}
.logo-mark{
  display:grid;place-items:center;width:38px;height:38px;border-radius:12px;
  background:var(--grad);box-shadow:0 6px 20px rgba(99,102,241,.45);
  color:#fff;font-family:var(--font-head);font-weight:800;font-size:1.45rem;line-height:1;
}
.logo-text span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:1.6rem;margin-left:auto}
.nav-links a{color:var(--muted);font-weight:500;font-size:.93rem;transition:color .15s;white-space:nowrap}
.nav-links a:hover{color:var(--text)}
.nav-cta{display:flex;gap:.6rem}
.nav-burger{display:none;flex-direction:column;gap:5px;padding:.4rem}
.nav-burger span{width:22px;height:2px;background:var(--text);border-radius:2px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:9.5rem 0 5rem;overflow:hidden}
.hero-glow{
  position:absolute;top:-320px;left:50%;transform:translateX(-50%);
  width:1100px;height:700px;pointer-events:none;
  background:radial-gradient(closest-side,rgba(99,102,241,.28),rgba(34,211,238,.08) 55%,transparent 75%);
  filter:blur(10px);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:4rem;align-items:start}
.badge{
  display:inline-block;padding:.35rem .9rem;border-radius:999px;
  border:1px solid var(--line);background:rgba(129,140,248,.08);
  color:#b7c3ff;font-size:.83rem;font-weight:600;margin-bottom:1.2rem;
}
.dvx{font-weight:700;color:var(--text)}
.dvx b{
  font-weight:800;font-size:1.15em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero h1{font-size:clamp(2.4rem,5vw,3.7rem);font-weight:800;margin-bottom:1.2rem}
.lead{color:var(--muted);font-size:1.12rem;max-width:34rem;margin-bottom:1.8rem}
.hero-actions{display:flex;gap:.9rem;flex-wrap:wrap;margin-bottom:2.4rem}
.hero-stats{display:flex;gap:2.4rem;flex-wrap:wrap}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats strong{font-family:var(--font-head);font-size:1.25rem}
.hero-stats span{color:var(--muted);font-size:.85rem}

/* hero demo window */
.hero-demo{display:flex;flex-direction:column;gap:.8rem}
.demo-window{
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);
  overflow:hidden;
}
.demo-head{
  display:flex;align-items:center;gap:.75rem;padding:.95rem 1.2rem;
  border-bottom:1px solid var(--line);background:rgba(255,255,255,.02);
}
.demo-avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad);color:#06121f;font-size:1.15rem;font-weight:700;
}
img.demo-avatar{object-fit:cover;background:none}
.demo-head strong{display:block;font-size:.98rem}
.demo-head em{font-style:normal;color:var(--muted);font-size:.78rem;display:flex;align-items:center;gap:.35rem}
.dot{width:8px;height:8px;border-radius:50%;background:#34d399;display:inline-block;box-shadow:0 0 8px #34d399}
.demo-body{
  padding:1.2rem;height:400px;display:flex;flex-direction:column;
  justify-content:flex-end;gap:.7rem;overflow:hidden;
}
.demo-msg{
  max-width:82%;padding:.6rem .95rem;border-radius:16px;font-size:.9rem;line-height:1.5;
  opacity:0;transform:translateY(8px);animation:msgIn .4s forwards;
}
.demo-msg.bot{background:rgba(255,255,255,.06);border:1px solid var(--line);border-bottom-left-radius:4px;align-self:flex-start}
.demo-msg.user{background:var(--grad);color:#04101f;font-weight:500;border-bottom-right-radius:4px;align-self:flex-end}
.demo-typing{
  align-self:flex-start;display:flex;gap:4px;padding:.7rem 1rem;border-radius:16px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
}
.demo-typing i{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite}
.demo-typing i:nth-child(2){animation-delay:.2s}
.demo-typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
@keyframes msgIn{to{opacity:1;transform:none}}
.demo-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding:.8rem 1.2rem;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;
}
.demo-send{
  width:36px;height:36px;border-radius:50%;background:var(--grad);
  color:#04101f;font-weight:800;font-size:1rem;
}
.demo-caption{text-align:center;color:var(--muted);font-size:.88rem}

/* ---------- Trust bar ---------- */
.trustbar{padding:2.2rem 0;border-block:1px solid var(--line);background:rgba(255,255,255,.015)}
.trustbar p{text-align:center;color:var(--muted);font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:1rem}
.trust-row{display:flex;justify-content:center;gap:1.2rem 2.2rem;flex-wrap:wrap;color:#c6cff2;font-weight:600;font-size:.95rem}

/* ---------- Sections ---------- */
.section{padding:5.5rem 0}
.section-alt{background:var(--bg-alt);border-block:1px solid var(--line)}
.section-head{text-align:center;max-width:44rem;margin:0 auto 3.2rem}
.kicker{
  display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:#8fd8ff;margin-bottom:.8rem;
}
.section-head h2{font-size:clamp(1.9rem,3.6vw,2.6rem);font-weight:800;margin-bottom:.8rem}
.section-head p{color:var(--muted);font-size:1.05rem}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.step{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.9rem;position:relative;transition:transform .2s,border-color .2s;
}
.step:hover{transform:translateY(-4px);border-color:rgba(129,140,248,.4)}
.step-num{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#04101f;font-weight:800;font-family:var(--font-head);
  font-size:1.1rem;margin-bottom:1.1rem;
}
.step h3{font-size:1.15rem;margin-bottom:.5rem}
.step p{color:var(--muted);font-size:.95rem}

/* levels */
.levels{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;align-items:stretch}
.level-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:2rem 1.7rem;display:flex;flex-direction:column;gap:.9rem;
  transition:transform .2s,border-color .2s;
}
.level-card:hover{transform:translateY(-5px)}
.level-featured{
  background:linear-gradient(170deg,rgba(99,102,241,.16),rgba(34,211,238,.07)),var(--panel);
  border-color:rgba(129,140,248,.5);box-shadow:0 18px 50px rgba(99,102,241,.22);
}
.level-tag{
  align-self:flex-start;font-size:.75rem;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:#8fd8ff;background:rgba(34,211,238,.09);
  border:1px solid rgba(34,211,238,.25);padding:.28rem .7rem;border-radius:999px;
}
.level-card h3{font-size:1.45rem}
.level-sub{color:var(--muted);font-size:.95rem;margin-top:-.5rem}
.level-card ul{list-style:none;display:flex;flex-direction:column;gap:.55rem;flex:1}
.level-card li{padding-left:1.5rem;position:relative;color:#cdd6f5;font-size:.94rem}
.level-card li::before{content:"✓";position:absolute;left:0;color:#34d399;font-weight:700}
.level-example{
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:12px;
  padding:.8rem .95rem;font-size:.87rem;color:var(--muted);
}

/* features */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.feature{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.7rem;transition:transform .2s,border-color .2s;
}
.feature:hover{transform:translateY(-4px);border-color:rgba(129,140,248,.4)}
.feature span{font-size:1.7rem;display:block;margin-bottom:.8rem}
.feature h3{font-size:1.08rem;margin-bottom:.45rem}
.feature p{color:var(--muted);font-size:.92rem}

/* use cases */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.case{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.9rem;display:flex;flex-direction:column;gap:.7rem;align-items:flex-start;
  transition:transform .2s,border-color .2s;
}
.case:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.35)}
.case-icon{font-size:2rem}
.case h3{font-size:1.2rem}
.case p{color:var(--muted);font-size:.94rem;flex:1}

/* pricing */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;align-items:stretch}
.price-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:2.1rem 1.8rem;text-align:center;display:flex;flex-direction:column;gap:.9rem;
  position:relative;transition:transform .2s;
}
.price-card:hover{transform:translateY(-5px)}
.price-featured{
  background:linear-gradient(170deg,rgba(99,102,241,.18),rgba(34,211,238,.08)),var(--panel);
  border-color:rgba(129,140,248,.5);box-shadow:0 18px 50px rgba(99,102,241,.22);
}
.ribbon{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--grad);color:#04101f;font-size:.75rem;font-weight:700;
  padding:.28rem .9rem;border-radius:999px;white-space:nowrap;
}
.price-card h3{font-size:1.25rem}
.price{color:var(--muted);font-size:1rem}
.price span{font-family:var(--font-head);font-size:2.6rem;font-weight:800;color:var(--text)}
.price-card p{color:var(--muted);font-size:.92rem;flex:1}
.pricing-note{text-align:center;color:var(--muted);margin-top:2.2rem;font-size:.95rem}

/* faq */
.faq-list{display:flex;flex-direction:column;gap:.8rem}
.faq{
  background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:1.05rem 1.3rem;transition:border-color .2s;
}
.faq[open]{border-color:rgba(129,140,248,.45)}
.faq summary{
  cursor:pointer;font-weight:600;font-size:1rem;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:#8fd8ff;transition:transform .2s}
.faq[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--muted);padding-top:.7rem;font-size:.95rem}

/* cta */
.cta-final{text-align:center;padding-bottom:6.5rem}
.cta-final h2{font-size:clamp(1.8rem,3.6vw,2.5rem);font-weight:800;margin-bottom:1rem}
.cta-final p{color:var(--muted);margin-bottom:2rem;font-size:1.05rem}

/* footer */
.footer{border-top:1px solid var(--line);background:var(--bg-alt);padding:3.5rem 0 2rem}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2.5rem}
.footer-brand p{color:var(--muted);font-size:.9rem;margin-top:.8rem;max-width:22rem}
.footer-col{display:flex;flex-direction:column;gap:.55rem;align-items:flex-start}
.footer-col h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;color:#8fd8ff;margin-bottom:.3rem}
.footer-col a,.footer-col .linklike{color:var(--muted);font-size:.93rem;border:none;font-weight:500}
.footer-col a:hover,.footer-col .linklike:hover{color:var(--text)}
.footer-legal{margin-top:2.5rem;padding-top:1.4rem;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}

/* reveal animation */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
.delay-1{transition-delay:.12s}
.delay-2{transition-delay:.24s}

/* ================================================
   CHAT WIDGET
   ================================================ */
.wd-launcher{
  position:fixed;right:26px;bottom:26px;z-index:1000;
  width:64px;height:64px;border-radius:50%;
  background:var(--grad);display:grid;place-items:center;
  box-shadow:0 12px 40px rgba(99,102,241,.5);
  transition:transform .2s;font-size:1.6rem;color:#04101f;
}
.wd-launcher:hover{transform:scale(1.08)}
.wd-launcher::before{
  content:"";position:absolute;inset:-6px;border-radius:50%;
  border:2px solid rgba(129,140,248,.5);animation:pulse 2.4s infinite;
}
@keyframes pulse{0%{transform:scale(.85);opacity:1}100%{transform:scale(1.25);opacity:0}}
.wd-launcher .wd-close-icon{display:none}
.wd-launcher.open .wd-chat-icon{display:none}
.wd-launcher.open .wd-close-icon{display:block;font-size:1.3rem}
.wd-launcher.open::before{display:none}
.wd-badge{
  position:absolute;top:-2px;right:-2px;min-width:20px;height:20px;border-radius:10px;
  background:#f43f5e;color:#fff;font-size:.72rem;font-weight:700;
  display:grid;place-items:center;padding:0 5px;border:2px solid var(--bg);
}

/* teaser bubble */
.wd-teaser{
  position:fixed;right:104px;bottom:38px;z-index:999;
  background:var(--panel-2);border:1px solid var(--line);border-radius:16px 16px 4px 16px;
  padding:.75rem 1rem;font-size:.9rem;max-width:240px;box-shadow:var(--shadow);
  opacity:0;transform:translateY(10px);transition:opacity .4s,transform .4s;
  pointer-events:none;
}
.wd-teaser.show{opacity:1;transform:none;pointer-events:auto;cursor:pointer}

/* panel */
.wd-panel{
  position:fixed;right:26px;bottom:104px;z-index:1000;
  width:390px;max-width:calc(100vw - 32px);
  height:600px;max-height:calc(100vh - 130px);
  background:linear-gradient(165deg,var(--panel),var(--bg-alt));
  border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;overflow:hidden;
  opacity:0;transform:translateY(24px) scale(.97);pointer-events:none;
  transition:opacity .28s ease,transform .28s ease;
}
.wd-panel.open{opacity:1;transform:none;pointer-events:auto}

.wd-head{
  display:flex;align-items:center;gap:.8rem;padding:1rem 1.2rem;
  background:rgba(255,255,255,.03);border-bottom:1px solid var(--line);flex-shrink:0;
}
.wd-avatar{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad);color:#06121f;font-weight:800;font-size:1.2rem;flex-shrink:0;
}
.wd-head-info{flex:1;min-width:0}
.wd-head-info strong{display:block;font-size:1rem;font-family:var(--font-head)}
.wd-head-info em{font-style:normal;color:var(--muted);font-size:.78rem;display:flex;align-items:center;gap:.35rem}
.wd-head-actions{display:flex;gap:.3rem}
.wd-iconbtn{
  width:32px;height:32px;border-radius:8px;display:grid;place-items:center;
  color:var(--muted);font-size:1rem;transition:background .15s,color .15s;
}
.wd-iconbtn:hover{background:rgba(255,255,255,.08);color:var(--text)}

.wd-messages{
  flex:1;overflow-y:auto;padding:1.2rem;display:flex;flex-direction:column;gap:.35rem;
  scrollbar-width:thin;scrollbar-color:rgba(148,163,255,.25) transparent;
}
.wd-messages::-webkit-scrollbar{width:6px}
.wd-messages::-webkit-scrollbar-thumb{background:rgba(148,163,255,.25);border-radius:3px}

.wd-msg{
  max-width:84%;padding:.62rem .95rem;border-radius:16px;
  font-size:.92rem;line-height:1.55;word-wrap:break-word;
  animation:wdIn .3s ease;
}
@keyframes wdIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.wd-msg.bot{
  align-self:flex-start;background:rgba(255,255,255,.06);
  border:1px solid var(--line);border-bottom-left-radius:5px;
}
.wd-msg.bot+.wd-msg.bot{border-top-left-radius:8px}
.wd-msg.user{
  align-self:flex-end;background:var(--grad);color:#04101f;font-weight:500;
  border-bottom-right-radius:5px;
}
.wd-msg strong{font-weight:700}
.wd-msg em{font-style:italic}
.wd-msg .wd-hl{color:#8fd8ff;font-weight:600}
.wd-msg.user .wd-hl{color:inherit}

.wd-typing{
  align-self:flex-start;display:flex;gap:4px;padding:.75rem 1rem;border-radius:16px;
  border-bottom-left-radius:5px;background:rgba(255,255,255,.06);border:1px solid var(--line);
  animation:wdIn .2s ease;
}
.wd-typing i{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite}
.wd-typing i:nth-child(2){animation-delay:.2s}
.wd-typing i:nth-child(3){animation-delay:.4s}

.wd-chips{display:flex;flex-wrap:wrap;gap:.45rem;padding:.5rem 0 .2rem;animation:wdIn .3s ease}
.wd-chip{
  border:1px solid rgba(129,140,248,.45);color:#b7c3ff;border-radius:999px;
  padding:.38rem .85rem;font-size:.83rem;font-weight:600;
  transition:background .15s,color .15s,transform .15s;background:rgba(129,140,248,.07);
}
.wd-chip:hover{background:var(--grad);color:#04101f;transform:translateY(-1px)}

.wd-inputbar{
  display:flex;align-items:center;gap:.6rem;padding:.85rem 1rem;
  border-top:1px solid var(--line);background:rgba(255,255,255,.02);flex-shrink:0;
}
.wd-input{
  flex:1;background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:999px;padding:.68rem 1.1rem;color:var(--text);font:inherit;font-size:.93rem;
  outline:none;transition:border-color .15s;
}
.wd-input:focus{border-color:rgba(129,140,248,.55)}
.wd-input::placeholder{color:var(--muted)}
.wd-send{
  width:42px;height:42px;border-radius:50%;background:var(--grad);color:#04101f;
  font-size:1.05rem;font-weight:800;display:grid;place-items:center;flex-shrink:0;
  transition:transform .15s,box-shadow .15s;
}
.wd-send:hover{transform:scale(1.07);box-shadow:0 6px 18px rgba(34,211,238,.4)}
.wd-foot-note{
  text-align:center;font-size:.72rem;color:var(--muted);padding:.35rem 0 .6rem;
  background:rgba(255,255,255,.02);flex-shrink:0;
}

/* ---------- Responsive ---------- */
@media (max-width:1020px){
  .hero-inner{grid-template-columns:1fr;gap:3rem}
  .hero-copy{text-align:center}
  .lead{margin-inline:auto}
  .hero-actions,.hero-stats{justify-content:center}
  .steps,.levels,.features,.cases,.pricing{grid-template-columns:1fr 1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
  .nav-cta .btn-ghost{display:none}
  .nav-inner{gap:1.2rem}
}
@media (max-width:860px){
  .nav-links,.nav-cta{display:none}
  .nav-burger{display:flex}
  .nav-links.mobile-open{
    display:flex;position:fixed;inset:60px 0 auto 0;flex-direction:column;
    background:rgba(7,11,22,.97);padding:1.5rem 8%;gap:1.1rem;
    border-bottom:1px solid var(--line);backdrop-filter:blur(14px);
  }
  .steps,.levels,.features,.cases,.pricing{grid-template-columns:1fr}
  .hero{padding-top:7.5rem}
  .demo-body{height:330px}
  .footer-inner{grid-template-columns:1fr}
  .wd-panel{right:16px;bottom:96px}
  .wd-launcher{right:16px;bottom:16px}
  .wd-teaser{right:92px;bottom:28px}
}