/* Signatek: identidade visual e layout responsivo */
:root{--ink:#122a36;--ink2:#334b56;--muted:#667881;--teal:#006b82;--teal2:#078da2;--lightteal:#d6f2f0;--purple:#570f58;--purple2:#77116a;--paper:#fff;--bg:#f6f8f9;--line:#e3e9ea;--shadow:0 26px 65px rgba(10,49,62,.13);--r:22px;--max:1216px}
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:90px}
    body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.55;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}svg{display:block}
    .container{width:min(var(--max),calc(100% - 64px));margin-inline:auto}
    .sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
    .skip-link{position:absolute;top:-100px;left:20px;background:#fff;padding:12px 16px;z-index:1000}.skip-link:focus{top:12px}
    .icon{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
    .topbar{background:#0b2734;color:#dce5e8;font-size:11px;letter-spacing:.13em;text-align:center;padding:7px 10px;font-weight:700}
    .topbar span{color:#7be0da}
    .site-header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);box-shadow:0 5px 26px rgba(16,45,54,.06);border-bottom:1px solid rgba(11,72,84,.06)}
    .nav-wrap{height:82px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .logo{display:inline-flex;align-items:center;flex-shrink:0}.logo img{width:210px;height:54px;object-fit:contain;object-position:left center}
    .main-nav{display:flex;align-items:center;gap:33px;font-weight:650;font-size:13px;color:#39505b}
    .main-nav a:not(.nav-cta){position:relative;padding:14px 0;transition:color .2s}.main-nav a:not(.nav-cta):hover{color:var(--teal)}
    .main-nav a:not(.nav-cta)::after{content:"";position:absolute;bottom:6px;left:0;width:0;height:2px;background:var(--teal);transition:width .2s}.main-nav a:not(.nav-cta):hover::after{width:100%}
    .nav-cta{display:inline-flex;align-items:center;gap:9px;border-radius:7px;padding:12px 19px;background:var(--purple);color:#fff;font-weight:700;box-shadow:0 6px 15px #570f5825;white-space:nowrap;transition:transform .2s,background .2s}.nav-cta:hover{background:var(--purple2);transform:translateY(-2px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px;color:var(--ink)}
    .btn{display:inline-flex;gap:12px;align-items:center;justify-content:center;font-size:14px;font-weight:760;padding:15px 22px;border:1px solid transparent;border-radius:9px;min-height:51px;transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap}
    .btn:hover{transform:translateY(-2px)}.btn svg{width:18px;height:18px}.btn-primary{background:var(--teal2);color:#fff;box-shadow:0 10px 26px rgba(2,138,162,.22)}.btn-primary:hover{background:#00a0b2}
    .btn-white{background:#fff;color:var(--teal);box-shadow:0 12px 30px rgba(0,0,0,.12)}.btn-white:hover{background:#e9ffff}.btn-ghost{background:transparent;color:#fff;border-color:#ffffff66}.btn-ghost:hover{background:#ffffff15}.btn-outline{background:#fff;color:var(--teal);border-color:#bbd9da}.btn-outline:hover{background:#edfcfa}
    .eyebrow{display:flex;align-items:center;gap:11px;font-weight:850;text-transform:uppercase;letter-spacing:.18em;color:var(--teal);font-size:11px}
    .eyebrow .bar{height:2px;width:24px;background:currentColor}.eyebrow.light{color:#8de9e5}
    h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.045em;line-height:1.12}p{color:var(--muted)}
    h2{font-weight:800;font-size:clamp(33px,4.1vw,53px);margin:17px 0 22px}h3{font-size:24px;font-weight:800}
    .section-heading{max-width:770px}.section-heading p{max-width:700px;font-size:17px}
    /* Intro: panoramic/high-contrast imagery and product focus */
    .hero{position:relative;isolation:isolate;overflow:hidden;background:#032b38;color:white;min-height:685px;display:flex;align-items:center}
    .hero::before{content:"";position:absolute;inset:0;z-index:-2;background-image:linear-gradient(100deg,rgba(2,29,40,.97) 4%,rgba(0,49,65,.88) 53%,rgba(0,55,65,.65)),var(--map-ambient,none);background-size:cover;background-position:center;transform:scale(1.035)}
    .hero::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(circle at 82% 30%,rgba(35,213,202,.17),transparent 32%),linear-gradient(0deg,rgba(5,59,69,.25),transparent 45%)}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center;position:relative;padding-block:83px 103px}
    .hero-copy{position:relative;z-index:3}.hero h1{max-width:720px;font-size:clamp(45px,5.1vw,73px);font-weight:850;margin:22px 0 24px;line-height:1.035}.hero h1 em{font-style:normal;color:#75e2dc}
    .hero-copy>p{max-width:590px;color:#d6e7e9;font-size:18px;line-height:1.73;margin-bottom:34px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
    .hero-proof{display:flex;align-items:center;gap:12px;color:#d7eaea;font-size:12px;letter-spacing:.015em;margin-top:40px;flex-wrap:wrap}.proof-dot{width:7px;height:7px;background:#70f0d2;border-radius:50%;box-shadow:0 0 0 4px #75e3d625}
    .hero-proof .sep{height:17px;width:1px;background:#ffffff42;margin-inline:7px}
    .device-stage{position:relative;min-height:535px;display:grid;place-items:center}.stage-ring{position:absolute;width:510px;height:510px;max-width:100%;aspect-ratio:1;border-radius:50%;border:1px solid #bde9e84f;background:radial-gradient(circle,#0ca2b526 0%,transparent 61%)}
    .stage-ring:before,.stage-ring:after{content:"";position:absolute;border:1px solid #81d5d540;border-radius:50%;inset:35px}.stage-ring:after{inset:80px}
    .device-photo{position:relative;width:387px;max-width:88%;height:508px;filter:drop-shadow(10px 28px 25px rgba(0,0,0,.25));overflow:hidden;border-radius:31px;background:white;transform:rotate(-3deg);border:9px solid #ffffff1a}
    .device-photo img{width:100%;height:100%;object-fit:cover;object-position:center}
    .device-overlay{position:absolute;z-index:5;bottom:4%;left:-3%;background:rgba(255,255,255,.97);color:var(--ink);border-radius:13px;padding:15px 20px;display:flex;align-items:center;gap:13px;box-shadow:0 18px 45px #001a265c;min-width:245px}
    .device-overlay .mini-icon{display:grid;place-items:center;width:40px;height:40px;background:#e5f5f2;border-radius:11px;color:var(--teal)}.device-overlay strong{display:block;font-size:15px}.device-overlay small{font-size:11px;color:#667b86}
    .device-chip{position:absolute;z-index:4;top:12%;right:-6%;background:var(--purple);color:white;padding:10px 14px;border:1px solid #ffffff30;border-radius:9px;font-size:12px;font-weight:800;box-shadow:0 14px 28px #00121d55}
    .hero-bottom-stroke{position:absolute;bottom:0;width:100%;height:5px;background:linear-gradient(90deg,var(--teal2),#73e6d8,var(--purple))}
    .trustline{background:#f3f7f6;border-bottom:1px solid #e7eeed;padding:21px 0}.trust-wrap{display:flex;align-items:center;justify-content:space-between;gap:25px;flex-wrap:wrap}.trust-title{font-size:12px;color:#536a71;font-weight:750}.trust-items{display:flex;gap:27px;align-items:center;flex-wrap:wrap}.trust-items span{display:flex;align-items:center;gap:9px;color:#415c64;font-size:12px;font-weight:750}.trust-items .icon{color:var(--teal2);width:18px}
    .section{padding:105px 0}.section.soft{background:var(--bg)}.intro-split{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:42px}.intro-split .section-heading{max-width:740px}.intro-split .section-heading p{margin-bottom:0}
    .system-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:42px}.system-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:27px 22px 23px;box-shadow:0 8px 20px #13455408}.system-step:hover{box-shadow:0 20px 30px #1639460c}.step-icon{display:grid;place-items:center;width:51px;height:51px;border-radius:13px;background:#e9f6f5;color:var(--teal);margin-bottom:23px}.step-icon .icon{width:24px;height:24px}.system-step b{display:block;margin-bottom:7px;font-size:17px}.system-step p{font-size:13px;line-height:1.65;margin:0}.step-id{position:absolute;right:19px;top:19px;font-size:11px;color:#b0c3c4;font-weight:900;letter-spacing:.1em}
    .product-section{padding:96px 0 106px}.product-stack{display:grid;gap:22px}.product-panel{border-radius:25px;overflow:hidden;display:grid;grid-template-columns:1fr 1fr;align-items:stretch;min-height:455px}
    .product-panel.hardware{background:#f2f7f6;border:1px solid #dce9e7}.product-panel.software{background:#072e3d;color:white}
    .product-content{padding:63px 60px;display:flex;flex-direction:column;justify-content:center}.product-content h2{font-size:clamp(36px,3.7vw,55px);margin:15px 0 18px}.product-content p{font-size:16px;line-height:1.7;max-width:485px}
    .product-tag{font-size:11px;letter-spacing:.15em;font-weight:850;color:var(--teal);text-transform:uppercase}.software .product-tag{color:#81e1db}.software .product-content p{color:#cbdce1}
    .feature-mini{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:750;margin:0 0 11px}.feature-mini svg{width:17px;height:17px;color:var(--teal2)}.software .feature-mini svg{color:#78e6d7}
    .product-content .btn{align-self:flex-start;margin-top:24px}.product-visual{min-width:0;display:grid;place-items:center;position:relative;overflow:hidden}
    .hardware .product-visual{background:radial-gradient(circle at 55% 50%,#fff 0,#edf5f3 70%)}.hardware .product-visual:before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;border:1px solid #cae3df;box-shadow:0 0 0 48px #ffffff70}
    .hardware .product-visual img{position:relative;width:min(390px,80%);height:405px;object-fit:contain;object-position:center;filter:drop-shadow(7px 17px 20px #0d31352e);border-radius:16px}
    .software .product-visual{padding:35px 0 35px 23px;background:radial-gradient(circle at 70% 25%,#247e88,#092c3d 72%)}.software .product-visual .screen-cut{overflow:hidden;border-radius:15px 0 0 15px;box-shadow:0 24px 60px #010c18aa;border:7px solid #eff5f5;border-right:0;width:113%;transform:rotate(-3deg) translateX(20px)}
    .software .product-visual img{width:100%;height:300px;object-fit:cover;object-position:center}
    .panel-note{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;opacity:.65;margin-top:12px}
    /* SIGView details */
    .platform-section{background:#f6faf9;padding-block:104px 112px;overflow:hidden}.platform-layout{display:grid;grid-template-columns:1fr auto;align-items:end;gap:24px;margin-bottom:37px}
    .platform-tabs{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.tab-btn{border:1px solid #d2e0e1;background:#fff;color:#58707b;border-radius:8px;padding:11px 18px;font-size:13px;font-weight:800}.tab-btn[aria-selected="true"]{background:var(--teal);color:white;border-color:var(--teal)}.tab-btn:hover{border-color:var(--teal)}
    .platform-window{border:1px solid #d8e4e5;box-shadow:0 28px 60px rgba(15,49,59,.13);background:#fff;border-radius:19px;overflow:hidden;min-height:500px}
    .window-toolbar{height:49px;border-bottom:1px solid #e4e8ee;background:#fff;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:0 19px}.window-dots{display:flex;gap:6px}.window-dots span{width:9px;height:9px;border-radius:50%;background:#d8e0e5}.window-dots span:first-child{background:#f4a59e}.window-dots span:nth-child(2){background:#f7cf7a}.window-dots span:nth-child(3){background:#98d8be}.window-title{font-size:11px;font-weight:750;color:#74868e}.window-live{display:flex;gap:6px;align-items:center;color:#008e80;font-size:10px;font-weight:850}.window-live .proof-dot{width:6px;height:6px}
    .tab-panel[hidden]{display:none!important}.map-panel img{width:100%;height:auto;object-fit:contain}
    .panel-demo{min-height:520px;padding:28px 33px;background:#f7f9fc}.mock-header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:27px}.mock-header h4{font-size:18px;letter-spacing:-.03em;margin:0}.demo-chip{border-radius:50px;background:#e5f4f4;color:var(--teal);font-size:11px;font-weight:800;padding:8px 12px}
    .chart-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-bottom:18px}.metric{padding:19px 21px;background:#fff;border:1px solid #e7ecee;border-radius:13px}.metric span{display:block;color:#71838d;font-size:11px;margin-bottom:8px}.metric strong{font-size:23px;color:#21343c;letter-spacing:-.04em}.metric small{font-size:11px;color:#009a8c;margin-left:7px;font-weight:800}
    .linechart{height:255px;border-radius:15px;background:white;border:1px solid #e5ebf0;padding:19px}.linechart svg{width:100%;height:100%;overflow:visible}.plot-grid line{stroke:#dde7e9;stroke-width:1}.line-a{stroke:var(--teal2);fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.line-b{stroke:#8b3791;fill:none;stroke-width:2.7;stroke-linecap:round;stroke-linejoin:round;opacity:.8}.chart-legend{display:flex;gap:22px;font-size:11px;color:#62747e;margin-top:15px}.chart-legend span::before{content:"";display:inline-block;width:14px;height:3px;margin-right:7px;vertical-align:middle;background:var(--teal2)}.chart-legend span:nth-child(2)::before{background:#8b3791}
    .alarm-list{display:grid;gap:10px}.alarm-row{padding:20px 21px;background:white;border:1px solid #e6ebed;border-radius:12px;display:flex;gap:18px;justify-content:space-between;align-items:center}.alarm-row strong{display:block;font-size:14px}.alarm-row small{display:block;color:#6c858c;font-size:11px;margin-top:4px}.alarm-mark{width:35px;height:35px;display:grid;place-items:center;border-radius:9px;background:#fff3e5;color:#d58a15;flex:none}.alarm-mark.good{background:#e5f7f1;color:#029b71}.alarm-side{display:flex;gap:12px;align-items:center}.alarm-pill{font-size:10px;border-radius:20px;padding:7px 11px;font-weight:850;background:#fff3e6;color:#aa6917}.alarm-pill.ok{background:#e6f9f1;color:#078a64}
    .overview-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:18px}.overview-box{background:white;border:1px solid #e4ebed;border-radius:16px;padding:23px;min-height:320px}.overview-box h4{margin:0 0 17px;font-size:15px}.telemetry-bars{display:flex;align-items:end;gap:12px;height:190px;padding:15px 0 0;border-bottom:1px solid #d5e2e3}.telemetry-bars span{width:calc(100% / 13);height:var(--bar);border-radius:5px 5px 0 0;background:linear-gradient(0deg,#006a85,#3fc8c8)}.overview-notes{display:grid;gap:13px}.note-pair{display:flex;justify-content:space-between;font-size:12px;border-bottom:1px dashed #dfebee;padding-bottom:13px}.note-pair span{color:#6d858f}.note-pair b{color:var(--ink)}
    .platform-caption{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;color:#7a8b91;font-size:11px;margin-top:17px}.platform-caption .icon{width:15px;height:15px;display:inline-block;vertical-align:middle}
    .benefits{padding-block:104px}.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:39px}.benefit{padding:28px 25px;background:white;border:1px solid #e5edef;border-radius:17px;transition:transform .2s,box-shadow .2s}.benefit:hover{transform:translateY(-5px);box-shadow:0 20px 35px #153c4a12}.benefit .icon{color:var(--teal);width:32px;height:32px;margin-bottom:23px}.benefit h3{font-size:18px;margin-bottom:12px}.benefit p{font-size:13px;line-height:1.8;margin:0}
    .apps-section{padding:110px 0;background:#082e3d;color:white;position:relative;overflow:hidden}.apps-section:after{content:"";position:absolute;right:-180px;top:-270px;width:650px;height:650px;border-radius:50%;border:1px solid #4dd6c326;box-shadow:0 0 0 100px #62e8dd0b,0 0 0 200px #62e8dd08;pointer-events:none}.apps-section .section-heading p{color:#b9d3da}
    .applications{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:42px;position:relative}.application{border:1px solid #ffffff2a;border-radius:19px;padding:31px 23px;background:#ffffff0b;transition:transform .2s,background .2s}.application:hover{transform:translateY(-4px);background:#ffffff12}.app-icon{width:51px;height:51px;display:grid;place-items:center;background:#2e6d77;border-radius:13px;margin-bottom:30px}.app-icon svg{width:26px;height:26px;color:#84e4e2}.application h3{font-size:20px;line-height:1.2;margin:0 0 13px}.application p{font-size:13px;color:#bfd5dc;line-height:1.75;margin:0}
    .note-small{color:#aac7cc;font-size:11px;opacity:.85;margin:25px 0 0}
    .faq-section{padding:103px 0;background:#fff}.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:85px;align-items:start}.faq-wrap .section-heading h2{font-size:clamp(35px,4vw,49px)}.faq-items{border-top:1px solid var(--line)}.faq-items details{border-bottom:1px solid var(--line);padding:22px 0}.faq-items summary{list-style:none;cursor:pointer;font-weight:750;font-size:15px;display:flex;justify-content:space-between;align-items:center;gap:20px}.faq-items summary::-webkit-details-marker{display:none}.faq-items summary::after{content:'+';color:var(--teal);font-size:23px;line-height:1;font-weight:450}.faq-items details[open] summary::after{content:'−'}.faq-items details p{font-size:14px;line-height:1.76;margin:14px 33px 0 0}
    .contact-section{background:#f3f8f8;padding:95px 0}.contact-wrap{display:grid;grid-template-columns:.88fr 1.12fr;gap:60px;align-items:center}.contact-copy h2{font-size:clamp(37px,4.4vw,57px)}.contact-copy p{max-width:460px;font-size:16px}.contact-point{display:flex;align-items:center;gap:13px;margin:17px 0;font-size:13px;font-weight:740}.contact-point .icon{color:var(--teal);width:22px;height:22px}
    .contact-form{background:white;border:1px solid #e3e9eb;border-radius:21px;padding:34px;box-shadow:0 22px 45px #143c4910}.contact-form h3{font-size:22px;margin-bottom:8px}.contact-form .form-help{font-size:12px;color:#6c7f86;margin-bottom:22px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.field{margin-bottom:15px}.field label{display:block;font-size:11px;font-weight:850;letter-spacing:.02em;margin-bottom:7px;color:#344b56}.field input,.field select,.field textarea{width:100%;border:1px solid #d5e1e3;border-radius:9px;padding:12px 13px;background:#fcfdfd;outline:none;font-size:13px;color:#142b37;transition:border .2s}.field textarea{min-height:95px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal2);box-shadow:0 0 0 3px #0c9ca514}.contact-form button[type=submit]{width:100%;margin-top:4px}.contact-form .legal-note{font-size:10px;line-height:1.5;color:#84949a;margin:12px 0 0}.form-result{padding:14px;border-radius:10px;background:#e8f7f6;color:#17565f;font-size:12px;margin-top:15px;display:none}.form-result.visible{display:block}.form-result textarea{width:100%;min-height:120px;margin:10px 0;font-size:12px;border:1px solid #c7e5e2;border-radius:8px;padding:9px;resize:vertical}.form-result button{background:#146a77;color:#fff;border:0;border-radius:7px;padding:9px 12px;font-size:12px;font-weight:800}
    .footer{background:#0b2634;color:#d4e2e5;padding:55px 0 25px}.footer-main{display:grid;grid-template-columns:1.3fr .7fr .85fr;gap:65px;padding-bottom:49px}.footer-brand{display:inline-block;width:240px;max-width:100%;background:transparent;padding:0;border-radius:0}.footer-brand img{width:100%;height:auto;display:block}.footer p{color:#bed0d7;font-size:13px;max-width:350px;margin:18px 0}.footer h4{font-size:13px;color:#fff;margin:0 0 20px}.footer-links{display:grid;gap:12px}.footer-links a{font-size:13px;color:#bdd2d8}.footer-links a:hover{color:#83ede6}.footer-bottom{border-top:1px solid #ffffff1b;padding-top:24px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:#9eb6bd;font-size:11px}
    .bottom-teal{height:4px;background:linear-gradient(90deg,var(--teal),#4ac6b9,var(--purple))}
    .back-top{position:fixed;right:22px;bottom:22px;z-index:70;border:0;background:var(--purple);color:white;border-radius:50%;padding:14px;box-shadow:0 11px 30px #001a2870;display:none}.back-top.visible{display:block}
    @media(max-width:1100px){.main-nav{gap:19px}.hero-grid{gap:32px}.hero h1{font-size:58px}.device-chip{right:-2%}.product-content{padding:47px}.applications{grid-template-columns:repeat(2,1fr)}.benefit-grid{grid-template-columns:repeat(2,1fr)}.platform-layout{grid-template-columns:1fr}}
    @media(max-width:790px){.container{width:min(100% - 34px,var(--max))}.nav-wrap{height:69px}.logo img{width:175px;height:49px}.topbar{font-size:9px}.menu-toggle{display:block}.main-nav{position:absolute;top:100%;left:0;right:0;background:white;padding:14px 23px 23px;box-shadow:0 18px 35px #07293622;border-top:1px solid var(--line);display:none;flex-direction:column;align-items:stretch;gap:2px}.main-nav.open{display:flex}.main-nav a:not(.nav-cta){padding:13px 0}.main-nav a:not(.nav-cta)::after{display:none}.nav-cta{justify-content:center;margin-top:10px}.hero{min-height:unset}.hero-grid{padding-block:71px 67px;grid-template-columns:1fr;gap:26px}.hero h1{font-size:clamp(43px,8.4vw,60px);max-width:640px}.hero-copy>p{font-size:16px}.hero-proof{margin-top:25px}.device-stage{min-height:460px;margin-inline:auto;width:min(100%,550px)}.stage-ring{height:440px;width:440px}.device-photo{height:430px;width:340px}.device-chip{right:0;top:7%}.device-overlay{left:1%;bottom:-1%}.trust-wrap{align-items:flex-start}.system-flow{grid-template-columns:repeat(2,1fr)}.section{padding:80px 0}.product-section{padding-block:75px}.product-panel{grid-template-columns:1fr;min-height:0}.product-content{padding:45px 38px}.product-visual{min-height:320px}.hardware .product-visual img{height:310px}.software .product-visual{padding:24px}.software .product-visual .screen-cut{width:100%;transform:none;border-radius:15px;border:6px solid #eff5f5}.software .product-visual img{height:auto}.platform-section{padding-block:82px}.faq-wrap,.contact-wrap{grid-template-columns:1fr;gap:33px}.platform-window{min-height:350px}.chart-stats{grid-template-columns:repeat(2,1fr)}.platform-tabs{gap:7px}.tab-btn{padding:10px 13px}.footer-main{grid-template-columns:1fr 1fr;gap:38px}.footer-main>div:first-child{grid-column:span 2}}
    @media(max-width:520px){.container{width:calc(100% - 32px)}.hero-grid{padding-block:57px 61px}.hero h1{font-size:43px}.hero-copy>p{font-size:15px}.hero-actions{display:grid;grid-template-columns:1fr}.hero-proof .sep{display:none}.device-stage{min-height:360px}.stage-ring{height:336px;width:336px}.device-photo{width:265px;height:345px;border-width:6px;border-radius:22px}.device-chip{font-size:10px;top:6%;right:-1%;padding:8px 10px}.device-overlay{min-width:0;padding:10px 13px;left:-1%;bottom:-5%}.device-overlay strong{font-size:13px}.device-overlay small{font-size:10px}.device-overlay .mini-icon{width:34px;height:34px}.trust-items{gap:12px 18px}.trust-items span{font-size:11px}.intro-split{display:block}.system-flow{grid-template-columns:1fr}.system-step{padding:22px}.step-icon{margin-bottom:10px}.product-content{padding:37px 27px}.product-content h2{font-size:38px}.product-content p{font-size:15px}.product-visual{min-height:280px}.hardware .product-visual img{height:273px}.platform-section{padding-block:68px}.platform-window{border-radius:12px;min-height:0}.window-toolbar{height:39px;padding-inline:11px}.window-title{font-size:9px}.window-live{font-size:9px}.platform-tabs{display:grid;grid-template-columns:repeat(3,1fr)}.platform-tabs .tab-btn{font-size:11px;padding:9px 4px}.panel-demo{padding:16px 13px;min-height:400px}.chart-stats{gap:8px}.metric{padding:13px 10px}.metric span{font-size:10px}.metric strong{font-size:17px}.metric small{font-size:9px}.linechart{padding:12px;height:215px}.alarm-row{padding:13px;gap:6px}.alarm-side{gap:7px}.alarm-row strong{font-size:12px}.alarm-pill{font-size:9px;padding:6px}.overview-grid{grid-template-columns:1fr}.overview-box{min-height:0}.overview-box:first-child{min-height:225px}.telemetry-bars{height:135px}.mock-header h4{font-size:14px}.demo-chip{font-size:9px}.benefits{padding-block:74px}.benefit-grid,.applications{grid-template-columns:1fr}.benefit{padding:22px}.apps-section{padding:74px 0}.application{padding:25px}.app-icon{margin-bottom:17px}.faq-section{padding:75px 0}.contact-section{padding:65px 0}.contact-form{padding:21px}.form-grid{grid-template-columns:1fr;gap:0}.footer-main{grid-template-columns:1fr}.footer-main>div:first-child{grid-column:auto}.footer-bottom{display:grid}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
/* Expansão Signatek: Arquitetura Técnica SIG-100, Filtros Interativos SIGView e Ações de Contato */
.specs-section{padding:96px 0;background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.specs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.spec-card{background:#fff;border:1px solid var(--line);border-radius:19px;padding:30px 26px;box-shadow:0 10px 26px rgba(16,49,60,.05);transition:transform .2s,box-shadow .2s}
.spec-card:hover{transform:translateY(-4px);box-shadow:0 20px 36px rgba(16,49,60,.09)}
.spec-header{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.spec-icon{width:46px;height:46px;border-radius:12px;background:#e8f6f5;color:var(--teal);display:grid;place-items:center;flex-shrink:0}
.spec-header h3{font-size:19px;margin:0}
.spec-list{list-style:none;padding:0;margin:0;display:grid;gap:13px}
.spec-list li{font-size:13px;line-height:1.65;color:var(--muted);padding-left:13px;border-left:2px solid #b8e2df}
.spec-list li strong{color:var(--ink)}
.mock-sub{display:block;font-size:12px;color:#6c838d;margin-top:3px}
.period-QuickFilter,.alarm-filters{display:flex;flex-wrap:wrap;gap:7px}
.period-btn,.filter-btn{border:1px solid #d2e0e1;background:#fff;color:#58707b;border-radius:50px;padding:7px 14px;font-size:11px;font-weight:800;transition:all .2s}
.period-btn.active,.filter-btn.active{background:var(--teal);color:#fff;border-color:var(--teal)}
.period-btn:hover,.filter-btn:hover{border-color:var(--teal)}
.metric-trend{display:block;font-style:normal;font-size:11px;color:#6c838d;margin-top:7px;font-weight:650}
.metric-trend.up{color:#008e80}
.form-actions{display:grid;grid-template-columns:1.2fr .8fr;gap:12px;margin-top:8px}
.contact-form .form-actions button[type=submit]{margin-top:0}
@media(max-width:960px){.specs-grid{grid-template-columns:1fr}}
@media(max-width:560px){.form-actions{grid-template-columns:1fr}}


/* Melhorias v6: Estado ativo no menu, Card técnico SIG-10-LoRa, Tabela Comparativa, Contato WhatsApp e Botão Flutuante */
.main-nav a.active:not(.nav-cta){color:var(--teal);font-weight:750}
.main-nav a.active:not(.nav-cta)::after{width:100%}

.lora-showcase{width:min(420px,88%);background:#fff;border:1px solid #cde4e2;border-radius:20px;padding:24px;box-shadow:0 18px 40px rgba(10,49,62,.08);position:relative;z-index:2}
.lora-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:18px}
.lora-badge{display:inline-flex;align-items:center;gap:7px;background:#e5f5f3;color:var(--teal);font-size:11px;font-weight:850;padding:6px 12px;border-radius:50px;letter-spacing:.04em}
.lora-badge .icon{width:15px;height:15px}
.lora-status{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:800;color:#05866e}
.lora-node-box{display:flex;align-items:center;gap:14px;padding:16px;border-radius:14px;background:linear-gradient(135deg,#052f3e,#084c5e);color:#fff;margin-bottom:16px}
.lora-node-icon{width:46px;height:46px;border-radius:12px;background:rgba(123,224,218,.16);color:#7be0da;display:grid;place-items:center;flex-shrink:0}
.lora-node-icon .icon{width:24px;height:24px}
.lora-node-box strong{display:block;font-size:17px;letter-spacing:-.02em}
.lora-node-box small{color:#c4e4e7;font-size:12px}
.lora-metrics-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.lora-metric-item{background:#f5faf9;border:1px solid #dfeeec;border-radius:11px;padding:11px 13px}
.lora-metric-item span{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#627b84;font-weight:750;margin-bottom:3px}
.lora-metric-item b{font-size:13px;color:var(--ink)}

.compare-box{margin-top:34px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:0 12px 30px rgba(16,49,60,.05)}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:20px}
.compare-head h3{margin:0 0 6px;font-size:22px}
.compare-head p{margin:0;font-size:14px}
.compare-table-wrap{overflow-x:auto}
.compare-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:620px}
.compare-table th,.compare-table td{text-align:left;padding:14px 16px;border-bottom:1px solid #e6eeef;vertical-align:top}
.compare-table th{background:#f2f8f8;color:var(--ink);font-size:12px;text-transform:uppercase;letter-spacing:.07em;font-weight:850}
.compare-table th:first-child{border-radius:10px 0 0 0}
.compare-table th:last-child{border-radius:0 10px 0 0}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr:hover{background:#f9fcfc}

.direct-whatsapp-box{display:inline-flex;align-items:center;gap:14px;margin-top:18px;padding:14px 20px;background:#fff;border:1px solid #cbe4e1;border-radius:14px;box-shadow:0 10px 24px rgba(10,49,62,.06)}
.dw-icon{width:42px;height:42px;border-radius:11px;background:#e3f7ed;color:#0b8a56;display:grid;place-items:center;flex-shrink:0}
.dw-icon .icon{width:22px;height:22px}
.direct-whatsapp-box span{display:block;font-size:11px;color:#5e747d;font-weight:700}
.direct-whatsapp-box a{font-size:16px;font-weight:850;color:var(--ink);transition:color .2s}
.direct-whatsapp-box a:hover{color:var(--teal)}

.footer-wa{display:inline-flex;align-items:center;gap:9px;margin-top:6px;padding:9px 15px;border-radius:9px;background:rgba(123,224,218,.12);border:1px solid rgba(123,224,218,.28);color:#8de9e5;font-size:13px;font-weight:750;transition:background .2s,transform .2s}
.footer-wa:hover{background:rgba(123,224,218,.22);transform:translateY(-2px)}

.whatsapp-float{position:fixed;left:22px;bottom:22px;z-index:75;display:inline-flex;align-items:center;gap:9px;background:#0d8a59;color:#fff;padding:12px 18px;border-radius:50px;font-size:13px;font-weight:800;box-shadow:0 12px 28px rgba(7,68,44,.32);transition:transform .2s,background .2s}
.whatsapp-float:hover{background:#0a744a;transform:translateY(-2px)}
.whatsapp-float .icon{width:20px;height:20px}
.form-result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.form-result .btn-wa-inline{background:#0d8a59}
@media(max-width:520px){
  .whatsapp-float span{display:none}
  .whatsapp-float{padding:14px;border-radius:50%}
  .compare-box{padding:20px 16px}
}


/* Expansão v7: Páginas Individuais de Produtos (SIG-100, SIG-10-LoRa, SIGView) */
.product-card-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.product-card-actions .btn{margin-top:0}
.table-prod-link{color:var(--teal);text-decoration:underline;text-underline-offset:3px;transition:color .2s}
.table-prod-link:hover{color:var(--purple)}

.prod-subnav{background:#eef6f5;border-bottom:1px solid #d5e6e4;padding:12px 0;font-size:12.5px}
.prod-subnav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.breadcrumb{display:flex;align-items:center;gap:8px;color:#57707a;font-weight:650}
.breadcrumb a:hover{color:var(--teal)}
.breadcrumb strong{color:var(--ink);font-weight:800}
.prod-switcher{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.prod-switcher>span{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:#5c747d;margin-right:4px}
.sw-pill{padding:6px 13px;border-radius:50px;background:#fff;border:1px solid #cbe0de;font-size:12px;font-weight:750;color:#35505b;transition:all .2s}
.sw-pill:hover{border-color:var(--teal);color:var(--teal)}
.sw-pill.active{background:var(--teal);color:#fff;border-color:var(--teal)}

.prod-hero{position:relative;isolation:isolate;overflow:hidden;background:linear-gradient(115deg,#032633 0%,#063c4d 60%,#0a4f61 100%);color:#fff;padding:72px 0 88px}
.prod-hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:54px;align-items:center}
.prod-hero h1{font-size:clamp(38px,4.5vw,60px);font-weight:850;margin:16px 0 20px;line-height:1.06}
.prod-hero h1 span{display:block;font-size:clamp(20px,2.2vw,28px);font-weight:650;color:#7be0da;margin-top:8px;letter-spacing:-.02em}
.prod-lead{color:#d8eaec;font-size:16.5px;line-height:1.72;margin-bottom:24px;max-width:620px}
.prod-badges{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:30px}
.prod-badges span{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.09);border:1px solid rgba(132,227,221,.28);color:#e9f9f8;padding:7px 13px;border-radius:8px;font-size:12px;font-weight:700}
.prod-badges .icon{width:15px;height:15px;color:#7be0da}

.prod-hero-stage{display:grid;place-items:center;position:relative}
.prod-photo-frame{position:relative;background:#fff;border-radius:26px;padding:24px;width:min(410px,92%);box-shadow:0 28px 60px rgba(0,15,24,.45);border:6px solid rgba(255,255,255,.16)}
.prod-photo-frame img{width:100%;height:420px;object-fit:contain;object-position:center}
.prod-callout{position:absolute;background:rgba(255,255,255,.97);color:var(--ink);padding:10px 14px;border-radius:11px;box-shadow:0 14px 32px rgba(3,28,38,.28);border-left:4px solid var(--teal2);max-width:215px}
.prod-callout strong{display:block;font-size:12px;font-weight:850}
.prod-callout small{display:block;font-size:11px;color:#5a717b;line-height:1.35;margin-top:2px}
.c-top-left{top:18px;left:-24px}
.c-mid-right{top:44%;right:-26px;border-left-color:var(--purple)}
.c-bottom-left{bottom:20px;left:-20px}

.hero-lora-box{width:min(450px,96%);color:var(--ink)}
.prod-screen-showcase{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 26px 58px rgba(0,14,23,.48);border:4px solid rgba(255,255,255,.18)}
.prod-screen-showcase img{width:100%;height:auto;display:block}

.prod-kpi-strip{background:#f3f8f7;border-bottom:1px solid #dce9e7;padding:26px 0}
.prod-kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod-kpi-item{background:#fff;border:1px solid #dfecea;border-radius:14px;padding:18px 20px;box-shadow:0 6px 16px rgba(12,48,60,.04)}
.prod-kpi-item span{display:block;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.09em;color:var(--teal)}
.prod-kpi-item strong{display:block;font-size:21px;font-weight:850;color:var(--ink);margin:4px 0}
.prod-kpi-item small{display:block;font-size:12px;color:#627882}

.prod-tabs-wrap{margin-top:34px;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 16px 38px rgba(12,48,60,.06)}
.prod-tab-buttons{display:grid;grid-template-columns:repeat(4,1fr);background:#f1f7f7;border-bottom:1px solid var(--line)}
.ptab-btn{padding:17px 14px;border:0;border-right:1px solid var(--line);background:transparent;font-size:13px;font-weight:800;color:#4f6772;transition:all .2s;text-align:center}
.ptab-btn:last-child{border-right:0}
.ptab-btn:hover{background:#e6f2f1;color:var(--teal)}
.ptab-btn.active{background:#fff;color:var(--teal);box-shadow:inset 0 3px 0 var(--teal2)}
.prod-tab-panel{padding:38px 40px}
.prod-tab-panel[hidden]{display:none!important}
.ptab-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:38px;align-items:center}
.ptab-grid h3{margin:0 0 12px;font-size:23px}
.ptab-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:12px}
.ptab-list li{font-size:14px;color:var(--muted);padding-left:15px;border-left:3px solid var(--teal2);line-height:1.65}
.ptab-list li strong{color:var(--ink)}
.diag-card{background:#f5faf9;border:1px solid #d5e8e6;border-radius:16px;padding:22px}
.diag-tag{display:inline-block;font-size:10.5px;font-weight:850;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);background:#e1f3f1;padding:5px 11px;border-radius:50px;margin-bottom:14px}
.diag-row{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed #d5e5e4;font-size:12.5px}
.diag-row:last-child{border-bottom:0;padding-bottom:0}
.diag-row b{color:var(--ink)}
.diag-row span{color:#526b75;text-align:right;font-weight:650}

.arch-flow-cards{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:16px;align-items:center;margin-top:34px}
.arch-node{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 24px;box-shadow:0 10px 26px rgba(12,48,60,.05)}
.arch-node.highlight{background:linear-gradient(135deg,#052f3e,#084c5e);color:#fff;border-color:#0b5d72}
.arch-node.highlight p{color:#cbe4e7}
.arch-num{display:inline-block;font-size:10.5px;font-weight:850;letter-spacing:.12em;color:var(--teal2);margin-bottom:8px}
.arch-node.highlight .arch-num{color:#7be0da}
.arch-node h4{margin:0 0 8px;font-size:19px}
.arch-node p{margin:0;font-size:13.5px;line-height:1.65}
.arch-arrow{width:38px;height:38px;border-radius:50%;background:#e6f5f3;color:var(--teal);display:grid;place-items:center}

.datasheet-box{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 14px 34px rgba(12,48,60,.06)}
.datasheet-table{width:100%;border-collapse:collapse;font-size:13.5px}
.datasheet-table th,.datasheet-table td{padding:14px 20px;border-bottom:1px solid #e7eff0;text-align:left;vertical-align:top}
.datasheet-table tbody tr:last-child th,.datasheet-table tbody tr:last-child td{border-bottom:0}
.datasheet-table tr:not(.ds-group) th{width:29%;color:var(--ink);font-weight:750;background:#fafdfd}
.datasheet-table tr:not(.ds-group) td{color:#4b626c;line-height:1.6}
.ds-group th{background:#093342;color:#8de9e5;font-size:12px;text-transform:uppercase;letter-spacing:.1em;font-weight:850;padding:12px 20px}

.other-prods-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.other-prod-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 12px 28px rgba(12,48,60,.05)}
.other-prod-card.dark{background:#072e3d;color:#fff;border-color:#0d4256}
.other-prod-card.dark p{color:#c9dde2}
.other-prod-card h3{font-size:28px;margin:10px 0 12px}
.other-prod-card .btn{align-self:flex-start;margin-top:18px}

@media(max-width:960px){
  .prod-hero-grid,.ptab-grid,.other-prods-grid{grid-template-columns:1fr}
  .prod-kpi-grid{grid-template-columns:repeat(2,1fr)}
  .prod-tab-buttons{grid-template-columns:repeat(2,1fr)}
  .arch-flow-cards{grid-template-columns:1fr}
  .arch-arrow{transform:rotate(90deg);margin-inline:auto}
  .c-top-left,.c-mid-right,.c-bottom-left{position:static;margin-top:10px;max-width:none}
}
@media(max-width:560px){
  .prod-kpi-grid,.prod-tab-buttons{grid-template-columns:1fr}
  .prod-tab-panel{padding:24px 20px}
  .datasheet-table tr:not(.ds-group) th,.datasheet-table tr:not(.ds-group) td{display:block;width:100%}
  .datasheet-table tr:not(.ds-group) th{padding-bottom:4px;border-bottom:0}
}
@media print{
  .topbar,.site-header,.prod-subnav,.whatsapp-float,.back-top,.contact-section,.footer,.btn-print-spec{display:none!important}
  .prod-hero{background:#fff!important;color:#000!important;padding:20px 0!important}
  .prod-lead,.prod-hero h1 span{color:#222!important}
  .prod-tab-panel[hidden]{display:block!important;border-top:1px solid #ccc}
}