/* === QUANTIA — Brand: Dark Premium + Emerald/Teal === */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=Syne:wght@400;500;600;700;800&display=swap');

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  /* Dark premium backgrounds */
  --bg0:#050a0e;--bg1:#0a1118;--bg2:#0f1820;--bg3:#152028;
  --card:rgba(12,22,30,.65);--card-h:rgba(18,32,42,.85);
  /* Text hierarchy */
  --t1:#e8f0f4;--t2:#8a9fad;--t3:#536b7c;
  /* Emerald/Teal accent */
  --ac:#10b981;--ac-l:#34d399;--ac-d:#059669;
  --ac2:#06b6d4;--ac2-l:#22d3ee;
  /* Glows and borders */
  --glow:rgba(16,185,129,.22);--glow2:rgba(6,182,212,.15);
  --subtle:rgba(16,185,129,.07);--subtle2:rgba(6,182,212,.05);
  --brd:rgba(16,185,129,.1);--brd-h:rgba(16,185,129,.25);
  /* WhatsApp */
  --wa:#25D366;
  /* Fonts */
  --ff:'Syne',sans-serif;--fb:'Plus Jakarta Sans',system-ui,-apple-system,sans-serif;
  --max:1180px;--r:12px;--rl:18px;
}

html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--fb);background:var(--bg0);color:var(--t1);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}

/* Utility */
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.accent-text{background:linear-gradient(135deg,var(--ac),var(--ac2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-tag{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:2.5px;text-transform:uppercase;color:var(--ac);background:var(--subtle);border:1px solid var(--brd);padding:6px 18px;border-radius:50px;margin-bottom:20px;font-family:var(--fb)}
.section-header{text-align:center;max-width:650px;margin:0 auto 64px}
.section-title{font-family:var(--ff);font-size:clamp(1.8rem,4vw,2.8rem);font-weight:700;line-height:1.2;margin-bottom:14px;letter-spacing:-.5px}
.section-subtitle{font-size:1.05rem;color:var(--t2);font-family:var(--fb)}

/* === NAV === */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:14px 0;transition:.3s ease}
.nav.scrolled{background:rgba(5,10,14,.94);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--brd);padding:8px 0}
.nav-container{max-width:var(--max);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;text-decoration:none}
.text-logo { font-family: var(--ff); font-size: 1.6rem; font-weight: 800; letter-spacing: 3px; color: var(--t1); text-decoration: none; display: flex; align-items: baseline; }
.accent-dot { color: var(--ac); font-size: 2rem; line-height: 0; }
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{text-decoration:none;color:var(--t2);font-size:.88rem;font-weight:500;transition:.3s;font-family:var(--fb)}
.nav-links a:hover{color:var(--t1)}
.nav-cta{display:inline-flex!important;align-items:center;gap:6px;background:var(--ac)!important;color:#fff!important;padding:9px 20px!important;border-radius:50px!important;font-weight:600!important;transition:.3s!important;font-family:var(--fb)!important}
.nav-cta:hover{background:var(--ac-l)!important;transform:translateY(-1px);box-shadow:0 6px 24px var(--glow)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.nav-toggle span{width:22px;height:2px;background:var(--t1);border-radius:2px;transition:.3s}

/* === BUTTONS === */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--fb);font-size:.95rem;font-weight:600;text-decoration:none;padding:14px 28px;border-radius:50px;border:none;cursor:pointer;transition:.3s ease}
.btn-primary{background:linear-gradient(135deg,var(--ac),var(--ac-d));color:#fff;box-shadow:0 4px 18px var(--glow)}
.btn-primary:hover{background:linear-gradient(135deg,var(--ac-l),var(--ac));transform:translateY(-2px);box-shadow:0 8px 32px var(--glow)}
.btn-ghost{background:transparent;color:var(--t2);border:1px solid var(--brd)}
.btn-ghost:hover{color:var(--t1);border-color:var(--brd-h);background:var(--subtle);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--ac);border:1px solid var(--ac)}
.btn-outline:hover{background:var(--subtle);transform:translateY(-2px)}
.btn-block{width:100%}
.btn-sm{padding:10px 20px;font-size:.88rem}

/* === HERO === */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:120px 0 80px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(16,185,129,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(16,185,129,.03) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse at center,#000 30%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at center,#000 30%,transparent 70%)}
.hero-glow{position:absolute;border-radius:50%;filter:blur(130px)}
.hero-glow-1{width:500px;height:500px;background:rgba(16,185,129,.1);top:-150px;right:-100px;animation:drift 10s ease-in-out infinite}
.hero-glow-2{width:350px;height:350px;background:rgba(6,182,212,.06);bottom:-80px;left:-60px;animation:drift 12s ease-in-out infinite reverse}
@keyframes drift{0%,100%{transform:translate(0,0)}50%{transform:translate(20px,-25px)}}

.hero-container{max-width:var(--max);margin:0 auto;padding:0 24px;text-align:center;position:relative;z-index:1}

.hero-badge{display:inline-flex;align-items:center;gap:10px;font-size:.82rem;font-weight:600;color:var(--ac-l);background:var(--subtle);border:1px solid var(--brd);padding:8px 20px;border-radius:50px;margin-bottom:32px;animation:fadeUp .7s ease .2s both;font-family:var(--fb)}
.badge-pulse{width:8px;height:8px;background:var(--ac);border-radius:50%;animation:pulse 2.5s ease infinite}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(16,185,129,.4)}50%{opacity:.7;box-shadow:0 0 0 6px rgba(16,185,129,0)}}

.hero-title{font-family:var(--ff);font-size:clamp(2.4rem,6vw,4.2rem);font-weight:800;line-height:1.1;margin-bottom:22px;letter-spacing:-1.5px;animation:fadeUp .7s ease .35s both}
.hero-subtitle{font-size:1.15rem;color:var(--t2);max-width:620px;margin:0 auto 36px;line-height:1.8;animation:fadeUp .7s ease .5s both;font-family:var(--fb)}
.hero-subtitle strong{color:var(--t1)}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:56px;animation:fadeUp .7s ease .65s both}

/* --- Hero Metrics: glass cards --- */
.hero-metrics{display:flex;align-items:stretch;justify-content:center;gap:24px;animation:fadeUp .7s ease .8s both}
.metric{text-align:center;background:rgba(16,185,129,.04);border:1px solid rgba(16,185,129,.12);border-radius:16px;padding:28px 36px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:border-color .3s,transform .3s}
.metric:hover{border-color:rgba(16,185,129,.3);transform:translateY(-3px)}
.metric-value{font-family:var(--ff);font-size:2.6rem;font-weight:800;color:var(--t1)}
.metric-unit{background:linear-gradient(135deg,var(--ac),var(--ac2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.metric-label{font-size:.8rem;color:var(--t3);margin-top:6px;font-family:var(--fb)}
.metric-sep{display:none}

@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}

/* === PROBLEM === */
.problem{padding:120px 0}
.problem-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.problem-card{background:var(--card);border:1px solid var(--brd);border-radius:var(--rl);padding:32px;transition:.3s ease}
.problem-card:hover{background:var(--card-h);border-color:var(--brd-h);transform:translateY(-3px)}
.card-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--subtle);border:1px solid var(--brd);border-radius:12px;margin-bottom:18px;color:var(--ac)}
.problem-card h3{font-family:var(--ff);font-size:1.1rem;font-weight:700;margin-bottom:8px}
.problem-card p{color:var(--t2);font-size:.92rem;font-family:var(--fb)}

/* === SERVICES === */
.services{padding:120px 0;background:var(--bg1)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.service-card{background:var(--card);border:1px solid var(--brd);border-radius:var(--rl);padding:36px 28px;transition:.3s ease;position:relative}
.service-card:hover{border-color:var(--brd-h);transform:translateY(-4px);box-shadow:0 16px 48px rgba(0,0,0,.3)}
.service-card.featured{border-color:var(--ac);background:linear-gradient(180deg,rgba(16,185,129,.06) 0%,var(--card) 100%)}
.service-card.featured::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--ac-d),var(--ac-l),var(--ac2));border-radius:var(--rl) var(--rl) 0 0}
.service-label{position:absolute;top:16px;right:16px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--ac);background:var(--subtle);padding:4px 12px;border-radius:50px;font-family:var(--fb)}
.service-icon-wrap{width:52px;height:52px;display:flex;align-items:center;justify-content:center;background:var(--subtle);border:1px solid var(--brd);border-radius:14px;margin-bottom:22px;color:var(--ac)}
.service-card h3{font-family:var(--ff);font-size:1.2rem;font-weight:700;margin-bottom:10px}
.service-card>p{color:var(--t2);font-size:.92rem;margin-bottom:22px;font-family:var(--fb)}
.feature-list{list-style:none;margin-bottom:24px}
.feature-list li{position:relative;padding-left:20px;padding-bottom:8px;color:var(--t2);font-size:.88rem;font-family:var(--fb)}
.feature-list li::before{content:'';position:absolute;left:0;top:9px;width:6px;height:6px;background:var(--ac);border-radius:50%}
.service-price{margin-bottom:18px}
.price-label{display:block;font-size:.72rem;color:var(--t3);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:2px;font-family:var(--fb)}
.price-value{font-family:var(--ff);font-size:1.6rem;font-weight:800;background:linear-gradient(135deg,var(--ac),var(--ac2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* === PROCESS === */
.process{padding:120px 0}
.process-grid{max-width:640px;margin:0 auto}
.process-step{display:flex;gap:24px}
.step-marker{display:flex;flex-direction:column;align-items:center;flex-shrink:0}
.step-num{font-family:var(--ff);font-size:1.1rem;font-weight:800;color:var(--ac);width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:var(--subtle);border:1px solid var(--brd);border-radius:12px}
.step-line{width:2px;flex:1;min-height:40px;background:linear-gradient(180deg,var(--ac),transparent);margin:8px 0;opacity:.3}
.step-body{padding-bottom:36px}
.step-body h3{font-family:var(--ff);font-size:1.1rem;font-weight:700;margin-bottom:6px}
.step-body p{color:var(--t2);font-size:.92rem;margin-bottom:10px;font-family:var(--fb)}
.step-tag{display:inline-block;font-size:.72rem;font-weight:600;color:var(--ac);background:var(--subtle);padding:3px 12px;border-radius:50px;font-family:var(--fb)}

/* === RESULTS === */
.results{padding:120px 0;background:var(--bg1)}
.results-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.result-card{background:var(--card);border:1px solid var(--brd);border-radius:var(--rl);padding:36px 28px;text-align:center;transition:.3s ease}
.result-card:hover{border-color:var(--brd-h);transform:translateY(-4px);box-shadow:0 16px 48px rgba(0,0,0,.3)}
.result-visual{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:18px;color:var(--t3)}
.result-big{font-family:var(--ff);font-size:3rem;font-weight:800;line-height:1}
.result-small{font-family:var(--ff);font-size:1.2rem;font-weight:700;color:var(--t3)}
.result-card p{color:var(--t2);font-size:.92rem;margin-bottom:16px;font-family:var(--fb)}
.result-tag{display:inline-block;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--ac);background:var(--subtle);padding:4px 14px;border-radius:50px;font-family:var(--fb)}

/* === AUDIT CTA === */
.audit-section{padding:120px 0}
.audit-box{display:grid;grid-template-columns:1.3fr .7fr;gap:48px;align-items:center;background:linear-gradient(135deg,rgba(16,185,129,.05),rgba(6,182,212,.03));border:1px solid var(--brd);border-radius:var(--rl);padding:56px;position:relative;overflow:hidden}
.audit-box::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--ac-d),var(--ac-l),var(--ac2))}
.audit-content h2{font-family:var(--ff);font-size:clamp(1.6rem,3vw,2.2rem);font-weight:700;line-height:1.2;margin-bottom:14px}
.audit-content>p{color:var(--t2);font-size:1rem;margin-bottom:24px;font-family:var(--fb)}
.check-list{list-style:none;margin-bottom:28px}
.check-list li{display:flex;align-items:center;gap:10px;padding-bottom:10px;color:var(--t2);font-size:.92rem;font-family:var(--fb)}
.check-list li svg{color:var(--ac);flex-shrink:0}
.audit-note{margin-top:10px;font-size:.82rem;color:var(--ac);font-weight:600;font-family:var(--fb)}

/* Mockup — improved visibility */
.audit-visual{display:flex;justify-content:center}
.mockup-window{background:var(--bg2);border:1px solid rgba(16,185,129,.15);border-radius:var(--r);overflow:hidden;width:100%;box-shadow:0 20px 50px rgba(0,0,0,.5),0 0 40px rgba(16,185,129,.06)}
.mockup-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:var(--bg3);border-bottom:1px solid rgba(16,185,129,.1)}
.dot{width:10px;height:10px;border-radius:50%}
.dot-r{background:#ff5f57}.dot-y{background:#febc2e}.dot-g{background:#28c840}
.mockup-title{font-size:.7rem;color:var(--t2);margin-left:6px;font-family:var(--fb);font-weight:600}
.mockup-content{padding:24px 20px}
.mockup-row-title{height:12px;width:55%;background:rgba(16,185,129,.12);border-radius:4px;margin-bottom:24px}
.mockup-bars{display:flex;justify-content:space-around;align-items:flex-end;height:110px;margin-bottom:24px}
.m-bar-group{display:flex;flex-direction:column;align-items:center;gap:8px}
.m-bar{width:38px;height:var(--h);background:linear-gradient(180deg,var(--ac-l),var(--ac-d));border-radius:6px 6px 2px 2px;animation:barUp 1.5s ease .5s both;box-shadow:0 0 12px rgba(16,185,129,.2)}
@keyframes barUp{from{height:0}to{height:var(--h)}}
.m-bar-group span{font-size:.65rem;color:var(--t2);font-family:var(--fb);font-weight:600}
.mockup-line{height:8px;background:rgba(16,185,129,.08);border-radius:4px;margin-bottom:10px}
.mockup-line.short{width:70%}

/* === FAQ — Improved card style === */
.faq{padding:120px 0;background:var(--bg1)}
.faq-list{max-width:700px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--card);border:1px solid var(--brd);border-radius:var(--r);overflow:hidden;transition:border-color .3s,box-shadow .3s}
.faq-item:hover{border-color:var(--brd-h)}
.faq-item.active{border-color:rgba(16,185,129,.3);box-shadow:0 4px 20px rgba(16,185,129,.06)}
.faq-q{display:flex;align-items:center;justify-content:space-between;width:100%;padding:20px 24px;background:none;border:none;color:var(--t1);font-family:var(--fb);font-size:1rem;font-weight:600;text-align:left;cursor:pointer;transition:.3s;gap:16px;-webkit-appearance:none;appearance:none}
.faq-q:hover{color:var(--ac-l)}
.faq-chevron{color:var(--ac);transition:transform .3s ease;flex-shrink:0}
.faq-item.active .faq-chevron{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;padding:0 24px}
.faq-item.active .faq-a{max-height:300px;padding:0 24px 20px}
.faq-a p{color:var(--t2);font-size:.92rem;line-height:1.8;font-family:var(--fb)}

/* === CONTACT === */
.contact{padding:120px 0}
.contact-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:start}
.contact-form{background:var(--card);border:1px solid var(--brd);border-radius:var(--rl);padding:36px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:.85rem;font-weight:600;color:var(--t1);margin-bottom:6px;font-family:var(--fb)}
.form-field input,.form-field select,.form-field textarea{width:100%;padding:12px 14px;background:var(--bg2);border:1px solid var(--brd);border-radius:var(--r);color:var(--t1);font-family:var(--fb);font-size:.92rem;transition:.3s;outline:none;-webkit-appearance:none;appearance:none}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--ac);box-shadow:0 0 0 3px var(--glow)}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--t3)}
.form-field select{cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23536b7c'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}
.form-field select option{background:var(--bg2);color:var(--t1)}
.form-field textarea{resize:vertical;min-height:90px}
.form-note{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:10px;font-size:.78rem;color:var(--t3);font-family:var(--fb)}

/* Contact sidebar */
.contact-sidebar{display:flex;flex-direction:column;gap:14px}
.sidebar-card{background:var(--card);border:1px solid var(--brd);border-radius:var(--r);padding:22px;transition:.3s;color:var(--ac)}
.sidebar-card:hover{border-color:var(--brd-h);background:var(--card-h)}
.sidebar-card.primary-card{background:linear-gradient(135deg,rgba(16,185,129,.08),var(--card));border-color:var(--ac)}
.sidebar-card h4{font-family:var(--ff);font-size:.92rem;font-weight:700;color:var(--t1);margin-top:10px;margin-bottom:4px}
.sidebar-card p{color:var(--t2);font-size:.85rem;margin-bottom:12px;font-family:var(--fb)}

/* === FOOTER === */
.footer{padding:52px 0 28px;border-top:1px solid var(--brd);background:var(--bg1)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;margin-bottom:36px}
.footer-brand p{color:var(--t2);font-size:.88rem;margin-top:12px;max-width:320px;font-family:var(--fb)}
.footer-col h4{font-family:var(--ff);font-size:.85rem;font-weight:700;margin-bottom:14px}
.footer-col a{display:block;text-decoration:none;color:var(--t2);font-size:.85rem;padding-bottom:8px;transition:.3s;font-family:var(--fb)}
.footer-col a:hover{color:var(--ac)}
.footer-bottom{padding-top:20px;border-top:1px solid var(--brd);text-align:center}
.footer-bottom p{font-size:.78rem;color:var(--t3);font-family:var(--fb)}

/* === WHATSAPP FLOAT === */
.whatsapp-float{position:fixed;bottom:24px;right:24px;width:56px;height:56px;background:var(--wa);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;text-decoration:none;z-index:999;box-shadow:0 4px 20px rgba(37,211,102,.35);transition:.3s;animation:waPulse 3s ease infinite}
.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 6px 28px rgba(37,211,102,.5)}
@keyframes waPulse{0%,100%{box-shadow:0 4px 20px rgba(37,211,102,.35)}50%{box-shadow:0 4px 20px rgba(37,211,102,.15)}}

/* Form success */
.form-success{text-align:center;padding:40px 20px}
.form-success svg{color:var(--ac);margin-bottom:16px}
.form-success h3{font-family:var(--ff);font-size:1.4rem;font-weight:700;margin-bottom:10px}
.form-success p{color:var(--t2);font-size:.95rem;font-family:var(--fb)}

/* Scroll reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .5s ease,transform .5s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* === RESPONSIVE === */
@media(max-width:1024px){
  .services-grid,.results-grid{grid-template-columns:1fr;max-width:480px;margin-left:auto;margin-right:auto}
  .audit-box{grid-template-columns:1fr;padding:36px}
  .audit-visual{display:none}
  .contact-layout{grid-template-columns:1fr}
  .contact-sidebar{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
}
@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:rgba(5,10,14,.96);backdrop-filter:blur(16px);padding:16px 24px;gap:12px;border-bottom:1px solid var(--brd)}
  .nav-links.active{display:flex}
  .nav-toggle{display:flex}
  .hero-title{font-size:2rem}
  .hero-metrics{flex-direction:column;gap:16px}
  .metric{padding:20px 28px}
  .problem-grid,.form-grid{grid-template-columns:1fr}
  .contact-sidebar{grid-template-columns:1fr}
  .contact-form{padding:24px}
}
@media(max-width:480px){
  .hero{padding:100px 0 60px}
  .hero-title{font-size:1.7rem}
  .hero-subtitle{font-size:.98rem}
  .hero-actions{flex-direction:column;align-items:stretch}
  .audit-box{padding:24px}
}

/* === ROI CALCULATOR === */
.roi-calculator { padding: 100px 0; background: var(--bg1); border-top: 1px solid var(--brd); border-bottom: 1px solid var(--brd); }
.roi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.roi-controls { display: flex; flex-direction: column; gap: 32px; }
.roi-slider-group { background: var(--card); border: 1px solid var(--brd); padding: 24px; border-radius: var(--rl); }
.roi-label-row { display: flex; justify-content: space-between; margin-bottom: 16px; align-items: center; }
.roi-label-row label { font-family: var(--ff); font-weight: 600; color: var(--t1); }
.roi-value { font-family: var(--ff); font-weight: 700; color: var(--ac); font-size: 1.2rem; background: var(--subtle); padding: 4px 12px; border-radius: 8px; border: 1px solid var(--brd); }
.roi-range { width: 100%; -webkit-appearance: none; appearance: none; height: 8px; background: var(--bg3); border-radius: 4px; outline: none; margin-bottom: 12px; }
.roi-range::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 24px; height: 24px; border-radius: 50%; background: var(--ac); cursor: pointer; border: 4px solid var(--bg1); box-shadow: 0 0 10px var(--glow); transition: .2s; }
.roi-range::-webkit-slider-thumb:hover { transform: scale(1.1); }
.roi-hint { font-size: 0.85rem; color: var(--t2); }
.roi-result { display: flex; align-items: center; justify-content: center; }
.roi-result-card { background: linear-gradient(145deg, rgba(16,185,129,0.08), rgba(6,182,212,0.08)); border: 1px solid var(--ac); border-radius: var(--rl); padding: 40px; text-align: center; width: 100%; box-shadow: 0 10px 40px var(--glow); }
.roi-result-card h3 { font-family: var(--ff); font-size: 1.2rem; color: var(--t1); margin-bottom: 16px; }
.roi-huge { font-family: var(--ff); font-size: 3.5rem; font-weight: 800; color: var(--ac-l); line-height: 1; margin-bottom: 16px; text-shadow: 0 0 20px var(--glow); }
.roi-result-text { font-size: 1rem; color: var(--t2); margin-bottom: 24px; }
.roi-result-text strong { color: var(--t1); font-weight: 700; }

@media (max-width: 768px) {
  .roi-grid { grid-template-columns: 1fr; }
}

/* === AI CHATBOT WIDGET === */
#ai-chatbot-widget { position: fixed; bottom: 30px; left: 30px; z-index: 9999; font-family: var(--fb); }
#chatbot-toggle { width: 60px; height: 60px; border-radius: 50%; background: linear-gradient(135deg, var(--ac), var(--ac-d)); border: none; color: white; display: flex; align-items: center; justify-content: center; cursor: pointer; box-shadow: 0 10px 25px var(--glow); transition: .3s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
#chatbot-toggle:hover { transform: scale(1.1); box-shadow: 0 15px 35px rgba(16,185,129,0.4); }
#chatbot-toggle svg { position: absolute; transition: .3s; }
.chatbot-closed .close-icon { opacity: 0; transform: rotate(-90deg) scale(0); }
.chatbot-open .chat-icon { opacity: 0; transform: rotate(90deg) scale(0); }
.chatbot-open .close-icon { display: block !important; opacity: 1; transform: rotate(0) scale(1); }

.chatbot-window { position: absolute; bottom: 80px; left: 0; width: 350px; height: 500px; background: rgba(10, 17, 24, 0.95); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border: 1px solid var(--brd); border-radius: 16px; display: flex; flex-direction: column; overflow: hidden; transform-origin: bottom left; transition: .4s cubic-bezier(0.165, 0.84, 0.44, 1); box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.05); }
.chatbot-closed .chatbot-window { opacity: 0; transform: scale(0.5) translateY(50px); pointer-events: none; }
.chatbot-open .chatbot-window { opacity: 1; transform: scale(1) translateY(0); pointer-events: all; }

.chatbot-header { background: var(--bg2); padding: 16px 20px; border-bottom: 1px solid var(--brd); display: flex; justify-content: space-between; align-items: center; }
.chatbot-title { display: flex; align-items: center; gap: 10px; }
.bot-avatar { background: var(--ac); color: white; width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.chatbot-title h4 { font-family: var(--ff); font-weight: 600; font-size: 1rem; color: var(--t1); margin: 0; }
.chatbot-close-btn { background: none; border: none; color: var(--t2); cursor: pointer; transition: .2s; display: flex; align-items: center; justify-content: center; padding: 4px; }
.chatbot-close-btn:hover { color: var(--t1); }

.chatbot-messages { flex: 1; padding: 20px; overflow-y: auto; display: flex; flex-direction: column; gap: 16px; scroll-behavior: smooth; }
.chat-msg { max-width: 85%; padding: 12px 16px; border-radius: 12px; font-size: 0.9rem; line-height: 1.5; animation: msgFadeIn 0.3s ease forwards; }
@keyframes msgFadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.msg-bot { background: var(--bg3); color: var(--t1); align-self: flex-start; border-bottom-left-radius: 4px; border: 1px solid rgba(255,255,255,0.05); }
.msg-user { background: var(--ac-d); color: white; align-self: flex-end; border-bottom-right-radius: 4px; }

.typing-indicator { display: flex; gap: 4px; padding: 4px 2px; }
.typing-dot { width: 6px; height: 6px; background: var(--t2); border-radius: 50%; animation: typing 1.4s infinite ease-in-out both; }
.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }
@keyframes typing { 0%, 80%, 100% { transform: scale(0); } 40% { transform: scale(1); } }

.chatbot-options { padding: 16px; background: var(--bg2); border-top: 1px solid var(--brd); display: flex; flex-direction: column; gap: 8px; }
.chat-option-btn { background: var(--subtle); border: 1px solid var(--brd); color: var(--ac-l); padding: 10px 14px; border-radius: 8px; font-family: var(--fb); font-size: 0.85rem; font-weight: 500; cursor: pointer; transition: .2s; text-align: left; }
.chat-option-btn:hover { background: rgba(16,185,129,0.15); border-color: var(--ac); color: white; }

@media (max-width: 480px) {
  #ai-chatbot-widget { bottom: 20px; left: 20px; }
  .chatbot-window { width: calc(100vw - 40px); height: calc(100vh - 120px); max-height: 550px; }
}