:root{
    /* Core */
    --coral-50:#FFF5F0; --coral-100:#FFE5D8; --coral-200:#FFCAB0; --coral-300:#FFA585;
    --coral-400:#FF8366; --coral-500:#FF6B5B; --coral-600:#E54E3E; --coral-700:#BD3A2C;
    --ink:#0A0A0A;
    --pearl:#FAFAF7;
    --soft:#6B6B66;
    --line:#E5E5E0;
    /* Semantic */
    --success:#2BA89A; --warning:#E5A53E; --danger:#C53030; --info:#3B82C6;
    /* Layout */
    --maxw: 1200px;
    --nav-h: 64px;
    --radius-s: 8px;
    --radius-m: 14px;
    --radius-l: 20px;
  }

  *{box-sizing:border-box}
  html,body{margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    font-family:'Geist',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
    background:var(--pearl);
    color:var(--ink);
    font-size:16px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  a{color:inherit;text-decoration:none}
  button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
  img,svg{display:block;max-width:100%}

  .container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

  /* Typography utilities */
  .eyebrow{
    font-family:'Geist Mono',ui-monospace,monospace;
    font-size:11px; font-weight:500;
    letter-spacing:.2em; text-transform:uppercase;
    color:var(--coral-500);
  }
  h1,h2,h3,h4{margin:0;letter-spacing:-0.03em;font-weight:600;line-height:1.1}
  h1{font-size:clamp(40px,6vw,72px);font-weight:500;letter-spacing:-0.04em;line-height:1.02}
  h2{font-size:clamp(28px,3.8vw,44px);letter-spacing:-0.03em;line-height:1.08}
  h3{font-size:20px;font-weight:600;letter-spacing:-0.01em}
  p{margin:0}
  .lead{font-size:18px;line-height:1.55;color:var(--soft)}
  .muted{color:var(--soft)}

  /* Buttons */
  .btn{
    display:inline-flex;align-items:center;gap:8px;
    height:44px;padding:0 20px;border-radius:999px;
    font-weight:500;font-size:14px;letter-spacing:-0.01em;
    transition:transform .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--ink);color:var(--pearl)}
  .btn-primary:hover{background:var(--coral-600)}
  .btn-coral{background:var(--coral-500);color:#fff}
  .btn-coral:hover{background:var(--coral-600)}
  .btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
  .btn-ghost:hover{border-color:var(--ink)}
  .btn-link{color:var(--ink);font-weight:500;font-size:14px}
  .btn-link:hover{color:var(--coral-600)}
  .btn .arrow{transition:transform .15s ease}
  .btn:hover .arrow{transform:translateX(2px)}

  /* Nav */
  .nav{
    position:sticky;top:0;z-index:50;
    background:rgba(250,250,247,.85);
    backdrop-filter:saturate(180%) blur(12px);
    -webkit-backdrop-filter:saturate(180%) blur(12px);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{
    display:flex;align-items:center;justify-content:space-between;
    height:var(--nav-h);
  }
  .nav-logo{display:flex;align-items:center;height:28px}
  .nav-logo img{height:28px}
  .nav-links{display:flex;align-items:center;gap:28px}
  .nav-links a{font-size:14px;color:var(--soft);transition:color .15s}
  .nav-links a:hover{color:var(--ink)}
  .nav-cta{display:flex;align-items:center;gap:8px}
  @media (max-width:840px){
    .nav-links{display:none}
  }

  /* Hero */
  .hero{padding:80px 0 40px;position:relative;overflow:hidden}
  .hero-grid{
    display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
  }
  .hero h1 .accent{color:var(--coral-500)}
  .hero .lead{margin-top:20px;max-width:540px}
  .hero-ctas{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
  .hero-meta{display:flex;gap:24px;margin-top:32px;flex-wrap:wrap}
  .hero-meta .item{font-size:13px;color:var(--soft);display:flex;align-items:center;gap:8px}
  .hero-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--success)}
  @media (max-width:920px){
    .hero{padding:48px 0 24px}
    .hero-grid{grid-template-columns:1fr;gap:40px}
  }

  /* Hero mockup (chat card) */
  .mockup{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
    box-shadow:0 30px 60px -30px rgba(10,10,10,.18), 0 8px 20px -8px rgba(10,10,10,.06);
    overflow:hidden;
  }
  .mockup-bar{
    display:flex;align-items:center;justify-content:space-between;
    padding:14px 18px;border-bottom:1px solid var(--line);
    font-family:'Geist Mono',monospace;font-size:11px;color:var(--soft);
    letter-spacing:.08em;text-transform:uppercase;
  }
  .mockup-bar .dots{display:flex;gap:6px}
  .mockup-bar .dots span{width:10px;height:10px;border-radius:50%;background:var(--line)}
  .mockup-bar .pill{
    padding:4px 10px;background:var(--coral-50);color:var(--coral-700);
    border-radius:999px;font-size:10px;font-weight:600;letter-spacing:.1em;
  }
  .chat{padding:20px;display:flex;flex-direction:column;gap:14px;background:#fff}
  .msg{max-width:78%;padding:12px 16px;border-radius:14px;font-size:14px;line-height:1.5}
  .msg.user{align-self:flex-end;background:var(--ink);color:var(--pearl);border-bottom-right-radius:6px}
  .msg.agent{align-self:flex-start;background:var(--pearl);border:1px solid var(--line);border-bottom-left-radius:6px}
  .msg .who{
    font-family:'Geist Mono',monospace;font-size:10px;letter-spacing:.15em;
    text-transform:uppercase;color:var(--coral-500);margin-bottom:6px;display:block;
  }
  .msg.user .who{color:rgba(255,255,255,.55)}
  .msg .meta{font-size:11px;color:var(--soft);margin-top:6px;display:flex;gap:8px;align-items:center}
  .msg.user .meta{color:rgba(255,255,255,.6)}
  .typing{display:inline-flex;gap:4px;align-items:center}
  .typing span{width:6px;height:6px;background:var(--coral-500);border-radius:50%;animation:bounce 1.2s infinite}
  .typing span:nth-child(2){animation-delay:.15s}
  .typing span:nth-child(3){animation-delay:.3s}
  @keyframes bounce{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-3px);opacity:1}}

  .mockup-foot{
    display:grid;grid-template-columns:1fr 1fr 1fr;gap:0;
    border-top:1px solid var(--line);background:var(--pearl);
  }
  .mockup-foot .stat{padding:14px;text-align:left;border-right:1px solid var(--line)}
  .mockup-foot .stat:last-child{border-right:0}
  .mockup-foot .stat .v{font-size:18px;font-weight:600;letter-spacing:-0.02em}
  .mockup-foot .stat .l{font-size:11px;color:var(--soft);font-family:'Geist Mono',monospace;letter-spacing:.1em;text-transform:uppercase}

  /* Logos */
  .logos{padding:48px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
  .logos-label{text-align:center;font-family:'Geist Mono',monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--soft);margin-bottom:24px}
  .logos-row{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:48px;opacity:.85}
  .logos-row .logo{
    font-size:22px;font-weight:600;letter-spacing:-0.04em;color:var(--ink);
    display:inline-flex;align-items:center;gap:8px;
  }
  .logos-row .logo .mark{width:18px;height:18px;border-radius:4px;background:var(--ink);display:inline-block}
  .logos-row .logo .mark.circle{border-radius:50%}
  .logos-row .logo .mark.tri{
    width:0;height:0;background:none;border-left:9px solid transparent;border-right:9px solid transparent;border-bottom:16px solid var(--ink);
  }
  .logos-row .logo.alt{font-style:italic;font-weight:400}
  .brand-stamp{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;
    padding:24px 0;
  }
  .brand-stamp .iso{
    height:72px;width:72px;
    transition:transform .25s ease;
  }
  .brand-stamp:hover .iso{transform:rotate(-4deg) scale(1.04)}
  .brand-stamp .word{height:28px;width:auto}
  .brand-stamp .tagline{
    font-family:'Geist Mono',monospace;font-size:11px;letter-spacing:.2em;
    text-transform:uppercase;color:var(--soft);text-align:center;margin:0;
  }
  @media (max-width:560px){
    .brand-stamp .iso{height:60px;width:60px}
    .brand-stamp .word{height:22px}
  }

  /* Sections */
  .section{padding:96px 0}
  .section-head{max-width:720px;margin:0 auto 56px;text-align:center}
  .section-head .lead{margin-top:16px}
  .section-head.left{text-align:left;margin-left:0}

  /* Pains */
  .pains{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .pain{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
    padding:28px;display:flex;flex-direction:column;gap:12px;min-height:200px;
  }
  .pain .num{
    font-family:'Geist Mono',monospace;font-size:11px;color:var(--coral-500);
    letter-spacing:.2em;text-transform:uppercase;
  }
  .pain h3{font-size:18px}
  .pain p{font-size:14px;color:var(--soft);line-height:1.55}
  .pain .quote{font-style:italic;color:var(--ink);border-left:2px solid var(--coral-500);padding-left:12px;font-size:14px;margin-top:auto}
  @media (max-width:840px){.pains{grid-template-columns:1fr}}

  /* How it works */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
  .step{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
    padding:28px;position:relative;
  }
  .step .n{
    width:36px;height:36px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    background:var(--coral-50);color:var(--coral-700);
    font-weight:600;font-size:14px;margin-bottom:16px;
    border:1px solid var(--coral-100);
  }
  .step h3{margin-bottom:8px;font-size:17px}
  .step p{font-size:14px;color:var(--soft);line-height:1.55}
  .step .week{
    font-family:'Geist Mono',monospace;font-size:10px;letter-spacing:.18em;text-transform:uppercase;
    color:var(--coral-500);margin-bottom:8px;display:block;
  }
  @media (max-width:1000px){.steps{grid-template-columns:repeat(2,1fr)}}
  @media (max-width:560px){.steps{grid-template-columns:1fr}}

  /* Features grid */
  .features{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden}
  .feat{background:var(--pearl);padding:32px;display:flex;flex-direction:column;gap:10px;min-height:200px}
  .feat .icon{
    width:40px;height:40px;border-radius:10px;background:#fff;border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;color:var(--coral-500);
    margin-bottom:8px;
  }
  .feat h3{font-size:16px;font-weight:600}
  .feat p{font-size:14px;color:var(--soft);line-height:1.55}
  @media (max-width:900px){.features{grid-template-columns:repeat(2,1fr)}}
  @media (max-width:560px){.features{grid-template-columns:1fr}}

  /* Integrations */
  .integ-wrap{
    background:var(--ink);color:var(--pearl);
    border-radius:var(--radius-l);padding:64px 48px;text-align:center;
    background-image:radial-gradient(circle at 20% 0%, rgba(255,107,91,.2), transparent 40%),
                     radial-gradient(circle at 80% 100%, rgba(255,107,91,.12), transparent 40%);
  }
  .integ-wrap h2{color:var(--pearl)}
  .integ-wrap .lead{color:rgba(250,250,247,.7);max-width:560px;margin:16px auto 0}
  .integ-row{
    display:flex;flex-wrap:wrap;justify-content:center;align-items:center;
    gap:16px;margin-top:40px;
  }
  .integ-chip{
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
    padding:14px 22px;border-radius:999px;display:inline-flex;align-items:center;gap:10px;
    font-weight:500;font-size:14px;
  }
  .integ-chip .d{width:8px;height:8px;border-radius:50%;background:var(--coral-500)}

  /* Metrics */
  .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden}
  .metric{background:#fff;padding:32px 24px}
  .metric .v{font-size:44px;font-weight:500;letter-spacing:-0.04em;color:var(--ink);line-height:1}
  .metric .v .u{color:var(--coral-500)}
  .metric .l{font-size:13px;color:var(--soft);margin-top:12px;line-height:1.4}
  @media (max-width:900px){.metrics{grid-template-columns:repeat(2,1fr)}}

  /* Pricing */
  .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
  .price{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
    padding:32px;display:flex;flex-direction:column;gap:16px;
  }
  .price.featured{border-color:var(--ink);position:relative;background:var(--ink);color:var(--pearl)}
  .price.featured .feat-tag{
    position:absolute;top:-12px;left:24px;background:var(--coral-500);color:#fff;
    padding:4px 10px;border-radius:999px;font-size:11px;font-weight:600;letter-spacing:.05em;
    font-family:'Geist Mono',monospace;text-transform:uppercase;
  }
  .price h3{font-size:18px}
  .price .desc{font-size:13px;color:var(--soft)}
  .price.featured .desc{color:rgba(250,250,247,.7)}
  .price .num{font-size:40px;font-weight:500;letter-spacing:-0.03em;line-height:1}
  .price .num .per{font-size:14px;color:var(--soft);font-weight:400}
  .price.featured .num .per{color:rgba(250,250,247,.6)}
  .price .ticket{font-size:13px;color:var(--soft)}
  .price.featured .ticket{color:rgba(250,250,247,.7)}
  .price ul{list-style:none;padding:0;margin:8px 0;display:flex;flex-direction:column;gap:10px}
  .price li{font-size:14px;display:flex;gap:10px;align-items:flex-start;line-height:1.5}
  .price li::before{content:"";flex:0 0 16px;height:16px;margin-top:3px;background-color:var(--coral-500);-webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") no-repeat center/contain;mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") no-repeat center/contain}
  .price .btn{margin-top:auto;justify-content:center}
  .price.featured .btn-ghost{background:transparent;color:var(--pearl);border-color:rgba(255,255,255,.25)}
  .price.featured .btn-ghost:hover{border-color:var(--coral-500);color:var(--coral-500)}
  @media (max-width:900px){.price-grid{grid-template-columns:1fr}}

  /* FAQ */
  .faq{max-width:820px;margin:0 auto}
  .faq details{
    border-bottom:1px solid var(--line);padding:20px 0;
  }
  .faq summary{
    list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px;
    font-size:17px;font-weight:500;letter-spacing:-0.01em;
  }
  .faq summary::-webkit-details-marker{display:none}
  .faq summary::after{content:"+";font-size:22px;color:var(--coral-500);transition:transform .2s}
  .faq details[open] summary::after{content:"–"}
  .faq p{margin-top:12px;color:var(--soft);font-size:15px;line-height:1.6}

  /* Final CTA */
  .final-cta{
    background:var(--coral-500);color:#fff;border-radius:var(--radius-l);
    padding:80px 48px;text-align:center;
    background-image:linear-gradient(180deg, var(--coral-400), var(--coral-500) 60%, var(--coral-600));
  }
  .final-cta h2{color:#fff}
  .final-cta .lead{color:rgba(255,255,255,.85);margin:16px auto 32px;max-width:560px}
  .final-cta .btn-primary{background:var(--ink);color:#fff}
  .final-cta .btn-primary:hover{background:#000}
  .final-cta .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4)}
  .final-cta .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
  .final-cta-actions{display:inline-flex;gap:12px;flex-wrap:wrap;justify-content:center}

  /* Footer */
  footer{padding:64px 0 40px;border-top:1px solid var(--line);margin-top:96px}
  .foot{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px}
  .foot h4{font-family:'Geist Mono',monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--soft);font-weight:500;margin-bottom:16px}
  .foot ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
  .foot li a{font-size:14px;color:var(--ink)}
  .foot li a:hover{color:var(--coral-600)}
  .foot-brand .desc{font-size:14px;color:var(--soft);margin-top:16px;max-width:280px}
  .foot-brand img{height:24px}
  .legal{
    margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
    display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
    font-size:13px;color:var(--soft);
  }
  @media (max-width:840px){
    .foot{grid-template-columns:1fr 1fr;gap:32px}
  }

  /* Section dividers / bg variations */
  .bg-pearl{background:var(--pearl)}
  .bg-white{background:#fff}
  .with-divider{border-top:1px solid var(--line)}

  /* Subtle reveal on scroll (CSS only) */
  .reveal{opacity:1;transform:none}
  .reveal.in{opacity:1;transform:none}

  /* Selection */
  ::selection{background:var(--coral-200);color:var(--ink)}

.play{cursor:pointer;border:0}
html{scroll-behavior:smooth}
.nav-logo{cursor:pointer}