/* Pyne.ai — modern B2B SaaS onboarding brand */
:root{
  --brand:#7c3aed;
  --brand-dark:#5b21b6;
  --brand-soft:#ede9fe;
  --secondary:#4f46e5;
  --accent:#f59e0b;
  --accent-dark:#d97706;
  --ink:#0f0a1e;
  --ink-2:#374151;
  --muted:#6b7280;
  --line:#e5e7eb;
  --bg:#ffffff;
  --bg-2:#fafafa;
  --grad:linear-gradient(135deg,#7c3aed 0%,#4f46e5 60%,#6366f1 100%);
  --grad-amber:linear-gradient(135deg,#f59e0b 0%,#f97316 100%);
  --shadow-sm:0 1px 2px rgba(15,10,30,.06),0 1px 3px rgba(15,10,30,.08);
  --shadow:0 10px 25px -12px rgba(124,58,237,.22),0 4px 10px -4px rgba(15,10,30,.08);
  --shadow-lg:0 30px 60px -20px rgba(124,58,237,.32),0 10px 20px -10px rgba(15,10,30,.15);
  --radius:14px;
  --radius-lg:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,h4{margin:0;line-height:1.15;letter-spacing:-.02em;color:var(--ink)}
h1{font-size:clamp(2.2rem,5vw,3.8rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:700}
h3{font-size:1.5rem;font-weight:700}
h4{font-size:1.08rem;font-weight:600}
p{margin:0;color:var(--ink-2)}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 22px}
.container-narrow{max-width:820px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:none}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:999px;font-weight:600;font-size:.95rem;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .2s;border:1px solid transparent;white-space:nowrap;font-family:inherit}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px -8px rgba(124,58,237,.55)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 12px 24px -8px rgba(124,58,237,.7)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--bg-2);border-color:#d1d5db}
.btn-amber{background:var(--accent);color:#fff;box-shadow:0 8px 18px -8px rgba(245,158,11,.55)}
.btn-amber:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 12px 24px -8px rgba(245,158,11,.7)}
.btn-lg{padding:14px 28px;font-size:1rem}
.btn-sm{padding:8px 16px;font-size:.85rem}
.btn-block{width:100%;margin-top:14px}

/* NAV */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.nav.scrolled{border-color:var(--line);box-shadow:0 4px 20px -12px rgba(124,58,237,.18)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:18px}
.brand{display:flex;align-items:center;gap:9px;color:var(--brand);font-weight:800;font-size:1.22rem;letter-spacing:-.01em}
.brand span{color:var(--ink)}
.nav-links{display:flex;gap:28px}
.nav-links a{color:var(--ink-2);font-weight:500;font-size:.93rem;transition:color .15s}
.nav-links a:hover{color:var(--brand)}
.nav-cta{display:flex;gap:10px;align-items:center}
.nav-burger{display:none;background:none;border:0;flex-direction:column;gap:5px;padding:8px;cursor:pointer}
.nav-burger span{width:22px;height:2px;background:var(--ink);border-radius:2px;display:block}

/* HERO */
.hero{position:relative;padding:64px 0 110px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:radial-gradient(900px 500px at 85% -5%,rgba(124,58,237,.13),transparent 60%),radial-gradient(700px 400px at 5% 30%,rgba(79,70,229,.10),transparent 60%),linear-gradient(180deg,#faf8ff 0%,#ffffff 85%);z-index:-1}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.84rem;font-weight:500;color:var(--ink-2);box-shadow:var(--shadow-sm);margin-bottom:22px}
.pulse{width:8px;height:8px;background:var(--accent);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(245,158,11,.6)}70%{box-shadow:0 0 0 10px rgba(245,158,11,0)}100%{box-shadow:0 0 0 0 rgba(245,158,11,0)}}
.lead{font-size:1.12rem;color:var(--ink-2);margin:22px 0 32px;max-width:530px;line-height:1.7}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}

/* HERO VISUAL */
.hero-visual{position:relative;min-height:460px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow)}
.float-card{animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.card-main{position:relative;z-index:2;max-width:390px;margin:30px auto 0;box-shadow:var(--shadow-lg)}
.avatar-row{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px}
.ai-avatar{position:relative;flex-shrink:0;width:48px;height:48px}
.ai-avatar svg{border-radius:50%}
.avatar-dot{position:absolute;bottom:1px;right:1px;width:12px;height:12px;background:#22c55e;border:2px solid #fff;border-radius:50%}
.avatar-bubble{background:var(--brand-soft);border-radius:0 12px 12px 12px;padding:12px 16px;flex:1}
.bubble-text{font-weight:600;font-size:.94rem;color:var(--brand-dark);margin-bottom:2px}
.bubble-sub{font-size:.83rem;color:var(--muted)}
.progress-block{margin-bottom:18px}
.progress-label{display:flex;justify-content:space-between;font-size:.82rem;font-weight:500;color:var(--ink-2);margin-bottom:8px}
.progress-pct{color:var(--brand);font-weight:700}
.progress-bar{height:6px;background:#ede9fe;border-radius:999px;overflow:hidden}
.progress-fill{height:100%;background:var(--grad);border-radius:999px;transition:width .6s ease}
.card-actions{display:flex;gap:10px}
.card-mini{position:absolute;display:flex;align-items:center;gap:12px;padding:14px 18px;animation-duration:7s;min-width:180px}
.card-mini-1{top:8%;left:-18px;animation-delay:-2s}
.card-mini-2{bottom:8%;right:-8px;animation-delay:-4s}
.mini-stat{font-size:1.5rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
.mini-title{font-weight:600;font-size:.88rem}
.mini-sub{font-size:.76rem;color:var(--muted)}

/* LOGOS */
.logos{padding:20px 0 48px}
.logos-label{text-align:center;color:var(--muted);font-size:.88rem;font-weight:500;text-transform:uppercase;letter-spacing:.08em;margin-bottom:20px}
.logos-row{display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap}
.logo-badge{padding:10px 24px;border:1.5px solid var(--line);border-radius:10px;font-weight:600;color:var(--muted);font-size:.95rem;letter-spacing:.01em;background:#fff;transition:border-color .2s,color .2s}
.logo-badge:hover{border-color:var(--brand);color:var(--brand)}

/* SECTIONS */
.section{padding:96px 0}
.section-alt{background:var(--bg-2)}
.section-title{text-align:center;max-width:780px;margin:0 auto 14px}
.section-sub{text-align:center;color:var(--muted);max-width:640px;margin:0 auto 56px;font-size:1.04rem}
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

/* PROBLEM cards */
.p-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .2s,box-shadow .2s,border-color .2s}
.p-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.p-tag{display:inline-block;padding:4px 10px;background:var(--brand-soft);color:var(--brand-dark);font-size:.72rem;font-weight:600;border-radius:6px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}
.p-card h4{margin-bottom:8px}
.p-card p{font-size:.93rem;color:var(--muted)}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:transform .2s,box-shadow .2s}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step-n{font-size:2.2rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:14px;line-height:1}
.step h4{margin-bottom:8px}
.step p{font-size:.92rem;color:var(--muted)}

/* FEATURES */
.f-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .2s,box-shadow .2s,border-color .2s}
.f-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--brand-soft)}
.f-ic{width:52px;height:52px;border-radius:14px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.f-card h4{margin-bottom:8px}
.f-card p{font-size:.93rem;color:var(--muted)}

/* USE CASES */
.usecases-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.usecase-panel{background:#fff;border:1.5px solid var(--line);border-radius:var(--radius-lg);padding:38px;transition:transform .2s,box-shadow .2s}
.usecase-panel:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.uc-badge{display:inline-block;padding:5px 12px;border-radius:6px;background:var(--brand-soft);color:var(--brand);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;margin-bottom:16px}
.uc-badge-amber{background:#fef3c7;color:var(--accent-dark)}
.usecase-panel h3{margin-bottom:14px}
.usecase-panel>p{font-size:.97rem;color:var(--muted);margin-bottom:28px}
.uc-stats{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;border-top:1px solid var(--line);padding-top:22px}
.uc-stats li{display:flex;align-items:center;gap:14px}
.uc-num{font-size:1.5rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;min-width:68px}
.uc-stats li span:last-child{color:var(--muted);font-size:.92rem}

/* TESTIMONIAL */
.testimonial{background:linear-gradient(135deg,#faf8ff 0%,#f0ebff 100%);border:1.5px solid #e9d5ff;border-radius:var(--radius-lg);padding:52px 48px;text-align:center;position:relative}
.quote-mark{font-size:5rem;line-height:1;color:#ddd6fe;font-family:Georgia,serif;position:absolute;top:20px;left:40px;font-weight:700}
blockquote{margin:0;font-size:1.28rem;font-weight:500;color:var(--ink);line-height:1.7;font-style:italic;max-width:700px;margin:0 auto 30px;position:relative;z-index:1}
.t-author{display:flex;align-items:center;justify-content:center;gap:14px}
.t-avatar{width:48px;height:48px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}
.t-author strong{display:block;font-size:1rem;color:var(--ink)}
.t-author span{font-size:.85rem;color:var(--muted)}

/* METRICS */
.metrics{background:var(--grad);padding:70px 0}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.metric{text-align:center;padding:0 20px;border-right:1px solid rgba(255,255,255,.2)}
.metric:last-child{border-right:0}
.metric-num{font-size:2.8rem;font-weight:800;color:#fff;line-height:1;margin-bottom:8px}
.metric-label{color:rgba(255,255,255,.75);font-size:.9rem;font-weight:500}
.metric .reveal{opacity:0;transform:translateY(20px)}
.metric .reveal.in{opacity:1;transform:none}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1.5px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .2s,border-color .2s}
.faq-item.open{border-color:var(--brand);box-shadow:0 0 0 3px rgba(124,58,237,.08)}
.faq-q{width:100%;background:none;border:0;padding:22px 24px;text-align:left;font-family:inherit;font-size:1rem;font-weight:600;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px}
.faq-i{font-size:1.5rem;color:var(--brand);font-weight:300;transition:transform .25s;flex-shrink:0;line-height:1}
.faq-item.open .faq-i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-item.open .faq-a{max-height:400px}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:.95rem;line-height:1.7}

/* CTA */
.cta{padding:80px 0}
.cta-box{background:var(--grad);border-radius:var(--radius-lg);padding:74px 48px;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta-box::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 350px at 80% 15%,rgba(255,255,255,.14),transparent 60%)}
.cta-box h2{color:#fff;position:relative;font-size:clamp(1.7rem,3vw,2.4rem)}
.cta-box>p{color:rgba(255,255,255,.88);font-size:1.1rem;margin-top:14px;max-width:520px;margin-left:auto;margin-right:auto;position:relative}
.cta-form{position:relative;margin-top:32px}
.cta-input-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta-input{padding:14px 22px;border-radius:999px;border:2px solid rgba(255,255,255,.3);background:rgba(255,255,255,.15);color:#fff;font-size:1rem;font-family:inherit;width:100%;max-width:340px;outline:none;backdrop-filter:blur(8px)}
.cta-input::placeholder{color:rgba(255,255,255,.65)}
.cta-input:focus{border-color:rgba(255,255,255,.7);background:rgba(255,255,255,.22)}
.cta-fine{margin-top:14px;color:rgba(255,255,255,.6);font-size:.83rem;position:relative}
.cta-success{display:none;margin-top:18px;padding:14px 22px;background:rgba(255,255,255,.2);border-radius:10px;font-weight:600;font-size:.97rem;backdrop-filter:blur(6px);position:relative}
.cta-success.show{display:block}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.contact-card{background:#fff;border:1.5px solid var(--line);border-radius:var(--radius-lg);padding:30px 28px;display:flex;align-items:flex-start;gap:18px;transition:transform .2s,box-shadow .2s,border-color .2s;text-decoration:none;color:inherit}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand-soft)}
.contact-card-primary{border-color:var(--brand-soft);background:linear-gradient(135deg,#faf8ff,#f0ebff)}
.contact-card-primary:hover{border-color:var(--brand)}
.contact-ic{font-size:1.8rem;flex-shrink:0;line-height:1}
.contact-label{font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:6px}
.contact-value{font-size:1.05rem;font-weight:700;color:var(--ink);margin-bottom:5px;word-break:break-all}
.contact-hint{font-size:.82rem;color:var(--muted)}

/* FOOTER */
.footer{background:#0d0720;color:#c4b5fd;padding:72px 0 30px;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px;padding-bottom:44px;border-bottom:1px solid #1e1338}
.foot-brand p{color:#8b5cf6;margin-top:14px;max-width:270px;font-size:.9rem}
.footer h5{color:#fff;font-size:.84rem;font-weight:600;margin:0 0 16px;text-transform:uppercase;letter-spacing:.07em}
.footer a{display:block;color:#8b5cf6;margin-bottom:10px;transition:color .15s}
.footer a:hover{color:#fff}
.foot-email{display:inline-block;margin-top:16px;color:var(--accent)!important;font-weight:500;font-size:.88rem}
.foot-email:hover{color:#fff!important}
.foot-bottom{display:flex;justify-content:space-between;padding-top:26px;color:#4c1d95;font-size:.84rem;flex-wrap:wrap;gap:10px}

/* RESPONSIVE */
@media(max-width:960px){
  .hero-inner{grid-template-columns:1fr;gap:60px}
  .hero-visual{min-height:auto;order:-1}
  .card-mini-1{left:0}.card-mini-2{right:0}
  .grid-3,.steps,.usecases-grid,.contact-grid{grid-template-columns:repeat(2,1fr)}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:40px}
  .metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.2);padding-bottom:30px}
  .metric:nth-child(even){border-bottom:0}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav-links,.nav-cta .btn-ghost{display:none}
  .nav-burger{display:flex}
  body.menu-open .nav-links{display:flex;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:20px;gap:18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);z-index:50}
  .section{padding:64px 0}
  .grid-3,.grid-2,.steps,.usecases-grid,.contact-grid{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:30px}
  .metric{border:0;padding-bottom:0}
  .cta-box{padding:50px 22px}
  .cta-input-row{flex-direction:column;align-items:center}
  .cta-input{max-width:100%}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .foot-bottom{flex-direction:column;text-align:center}
  .hero{padding:44px 0 70px}
  .testimonial{padding:40px 26px}
  .quote-mark{left:16px}
  blockquote{font-size:1.1rem}
  .logos-row{gap:10px}
}