:root{--navy:#0d1b45;--blue:#1769ff;--cyan:#16b8c8;--bg:#f7faff;--text:#14224b;--muted:#62708f;--border:#dce7f7;--white:#fff;--shadow:0 18px 50px rgba(20,55,120,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.65}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}.nav-wrap{min-height:76px;display:flex;align-items:center;gap:30px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:24px;color:var(--navy);white-space:nowrap}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;background:linear-gradient(145deg,#0b4bd9,#20a9f5);color:#fff;font-weight:900}.brand-text span{color:var(--blue)}
.nav{display:flex;gap:26px;align-items:center;margin:auto}.nav a{font-size:15px;color:#445273;padding:27px 0 23px;border-bottom:2px solid transparent}.nav a:hover,.nav a.active{color:var(--blue);border-color:var(--blue)}.lang-select{display:flex;align-items:center;gap:7px;border:1px solid var(--border);border-radius:12px;padding:8px 10px;background:#fff}.lang-select select{border:0;background:transparent;color:var(--navy);font-weight:650;outline:0;cursor:pointer;max-width:130px}
.hero{overflow:hidden;background:radial-gradient(circle at 80% 20%,#dff4ff 0,#eef7ff 34%,#fff 70%);border-bottom:1px solid var(--border)}.hero-grid{min-height:600px;display:grid;grid-template-columns:.95fr 1.05fr;align-items:center;gap:30px}.eyebrow{display:inline-block;color:var(--blue);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:13px;margin-bottom:10px}.hero h1,.page-hero h1,.product-hero h1{font-size:clamp(42px,5vw,70px);line-height:1.05;margin:0 0 22px;color:var(--navy);letter-spacing:-.04em}.hero p,.page-hero p,.product-hero p{font-size:20px;color:var(--muted);max-width:690px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;border-radius:12px;font-weight:750;border:1px solid transparent;transition:.2s}.btn.primary{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(23,105,255,.22)}.btn.primary:hover{transform:translateY(-2px)}.btn.ghost,.btn.store{border-color:#bcd0ee;background:#fff}
.hero-visual{height:100%;display:flex;align-items:center;justify-content:center}.phone-pair{position:relative;width:min(660px,100%);display:flex;align-items:flex-end;justify-content:center;gap:12px}.phone-pair img{width:49%;height:510px;object-fit:cover;object-position:top;border-radius:26px;box-shadow:var(--shadow);background:#fff}
.trust-strip{background:#fff;border-bottom:1px solid var(--border)}.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);padding:26px 0;gap:20px}.trust-grid>div{display:flex;gap:14px;align-items:flex-start;padding:8px 18px;border-right:1px solid var(--border)}.trust-grid>div:last-child{border:0}.trust-icon{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#eaf2ff;color:var(--blue);font-weight:900}.trust-grid strong{display:block}.trust-grid small{display:block;color:var(--muted);margin-top:3px}
.section{padding:86px 0}.section.compact{padding-top:20px}.section-heading{text-align:center;max-width:820px;margin:0 auto 38px}.section-heading h2{font-size:42px;line-height:1.1;margin:0 0 12px;color:var(--navy)}.section-heading p{color:var(--muted);font-size:18px}
.app-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.app-card{background:#fff;border:1px solid var(--border);border-radius:24px;overflow:hidden;box-shadow:0 8px 30px rgba(20,55,120,.06)}.app-card.pdf{border-top:4px solid #ef3340}.app-card.pro{border-top:4px solid var(--blue)}.app-image{background:#f5f9ff;display:flex;align-items:center;justify-content:center;overflow:hidden}.app-image img{width:100%;height:290px;object-fit:cover;object-position:center}.app-content{padding:28px}.app-content h2,.app-content h3{margin:0 0 10px;font-size:28px;color:var(--navy)}.app-content p{color:var(--muted);font-size:16px}.chips{display:flex;flex-wrap:wrap;gap:7px;margin:18px 0}.chips span{font-size:12px;background:#eef5ff;color:#315181;padding:7px 10px;border-radius:999px}.wide-showcase{padding:20px 0 80px}.wide-showcase img{width:100%;display:block;border-radius:24px;box-shadow:var(--shadow)}
.page-hero{padding:85px 0 70px;background:linear-gradient(120deg,#edf6ff,#fff);border-bottom:1px solid var(--border)}.about-layout{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.about-panel{background:#fff;border:1px solid var(--border);border-radius:24px;padding:38px;box-shadow:0 8px 30px rgba(20,55,120,.06)}.big-icon{display:grid;place-items:center;width:58px;height:58px;border-radius:18px;background:#eaf2ff;color:var(--blue);font-size:25px;font-weight:900}
.feature-list{padding:0;list-style:none;color:var(--muted)}.feature-list li{margin:9px 0}.product-hero{padding:70px 0;border-bottom:1px solid var(--border);overflow:hidden}.product-pdf{background:linear-gradient(135deg,#eef8ff,#fff7f8)}.product-pro{background:linear-gradient(135deg,#eff8ff,#f5fffb)}.product-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center}.product-visual img{width:100%;max-height:520px;object-fit:contain;border-radius:24px;box-shadow:var(--shadow);background:#fff}.feature-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:24px}.feature-card span{font-size:12px;color:var(--blue);font-weight:900}.feature-card h3{font-size:19px;margin:8px 0 0}.image-showcase{display:flex;justify-content:center}.image-showcase img{width:min(100%,1000px);max-height:650px;object-fit:contain;border-radius:24px;box-shadow:var(--shadow)}
.legal-section{padding-top:10px}.legal-links{display:flex;gap:10px;flex-wrap:wrap}.legal-links a{padding:11px 15px;border:1px solid var(--border);background:#fff;border-radius:12px;color:var(--blue);font-weight:700}.legal-hero{padding:50px 0}.back-link{display:inline-block;margin-bottom:20px;color:var(--blue);font-weight:700}.legal-layout{display:grid;grid-template-columns:260px 1fr;gap:35px;align-items:start}.legal-nav{position:sticky;top:100px;background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px}.legal-nav h3{margin:0 0 12px}.legal-nav a{display:block;padding:10px 12px;border-radius:9px;color:#52617d}.legal-nav a:hover,.legal-nav a.active{background:#edf5ff;color:var(--blue);font-weight:700}.legal-content{background:#fff;border:1px solid var(--border);border-radius:22px;padding:40px;box-shadow:0 8px 30px rgba(20,55,120,.05);overflow:hidden}.legal-content h2{font-size:25px;margin-top:30px}.legal-content h3{font-size:20px;margin-top:25px}.legal-content p,.legal-content li{color:#465572}.legal-content ul,.legal-content ol{padding-inline-start:25px}.legal-content blockquote{margin:20px 0;padding:15px 18px;border-left:4px solid var(--blue);background:#f3f7ff}.license-text{white-space:pre-wrap;word-break:break-word;background:#f7f9fc;border:1px solid var(--border);border-radius:12px;padding:20px;font:13px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;color:#34405b;overflow:auto}.support-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;align-items:start}.support-card{max-width:700px;background:#fff;border:1px solid var(--border);border-radius:24px;padding:45px;text-align:center;box-shadow:var(--shadow)}.support-intro{text-align:center}.support-email{margin-top:24px!important;font-weight:800}.support-email a{color:var(--blue)}.support-form-card{background:#fff;border:1px solid var(--border);border-radius:24px;padding:35px;box-shadow:var(--shadow)}.support-form{display:grid;gap:18px;text-align:left}.support-form label{display:grid;gap:7px;font-weight:700;color:var(--navy)}.support-form input,.support-form textarea{width:100%;border:1px solid #cbd9ed;border-radius:12px;padding:12px 14px;font:inherit;color:var(--text);background:#fff;outline:0}.support-form input:focus,.support-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,105,255,.1)}.support-form textarea{resize:vertical;min-height:150px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-message{border-radius:12px;padding:13px 15px;margin-bottom:18px;font-weight:650}.form-message.success{background:#eaf8f0;color:#17643a}.form-message.error{background:#fff0f0;color:#9b2525}.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.support-icon{margin:auto;width:60px;height:60px;border-radius:50%;display:grid;place-items:center;background:#eaf2ff;color:var(--blue);font-size:30px;font-weight:900}
.site-footer{background:#0b1739;color:#c8d4f0;margin-top:60px;padding-top:55px}.footer-grid{display:grid;grid-template-columns:2fr 1fr;gap:35px}.footer-brand{color:#fff}.footer-grid h3{font-size:14px;color:#fff}.footer-grid a:not(.brand){display:block;margin:8px 0;color:#b9c7e5}.footer-grid p{color:#aab8d8}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding:20px 0;font-size:13px;color:#91a2c6}
[dir=rtl] .trust-grid>div{border-right:0;border-left:1px solid var(--border)}[dir=rtl] .trust-grid>div:last-child{border-left:0}[dir=rtl] .legal-content blockquote{border-left:0;border-right:4px solid var(--blue)}
@media(max-width:900px){.nav-wrap{flex-wrap:wrap;padding:12px 0;gap:14px}.nav{order:3;width:100%;justify-content:center;gap:18px}.nav a{padding:7px 0}.hero-grid,.product-grid{grid-template-columns:1fr}.hero{padding-top:45px}.hero-visual{min-height:430px}.trust-grid{grid-template-columns:1fr}.trust-grid>div{border:0!important;border-bottom:1px solid var(--border);padding-bottom:15px}.app-grid,.about-layout{grid-template-columns:1fr}.feature-cards{grid-template-columns:repeat(2,1fr)}.legal-layout{grid-template-columns:1fr}.legal-nav{position:static}.footer-grid{grid-template-columns:1fr 1fr}.support-layout{grid-template-columns:1fr}}
@media(max-width:600px){.container{width:calc(100% - 24px)}.brand{font-size:21px}.brand-mark{width:36px;height:36px}.lang-select{margin-left:auto}.hero h1,.page-hero h1,.product-hero h1{font-size:42px}.hero p,.page-hero p,.product-hero p{font-size:17px}.phone-pair img{height:360px;border-radius:18px}.section{padding:60px 0}.section-heading h2{font-size:34px}.footer-grid{grid-template-columns:1fr}.app-image img{height:220px}.legal-content{padding:22px}}

/* Support page */
.support-section{padding-top:70px;background:#f7f8fc}.support-single{max-width:980px}.support-form-card{background:#fff;border:1px solid #e2e5ec;border-radius:2px;box-shadow:0 8px 30px rgba(20,35,70,.07);overflow:hidden}.support-form-heading{padding:32px 40px;border-bottom:1px solid #e0e3ea}.support-form-heading h2{margin:0 0 6px;color:#2c3448;font-size:28px;line-height:1.25}.support-form-heading p{margin:0;color:#69758d;font-size:15px}.support-form{padding:30px 40px 38px;display:grid;gap:22px}.support-form label{display:grid;grid-template-columns:165px minmax(0,1fr);align-items:start;gap:18px;font-weight:500;color:#17213a;padding-top:10px}.support-form input,.support-form textarea{grid-column:2;width:100%;border:1px solid #b8c2d4;border-radius:3px;padding:11px 12px;font:inherit;font-size:15px;color:var(--text);background:#fff;outline:0;transition:.18s}.support-form input{height:44px}.support-form input:focus,.support-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,105,255,.09)}.support-form textarea{resize:vertical;min-height:145px;line-height:1.5}.support-form input::placeholder,.support-form textarea::placeholder{color:#93a0b7}.form-row{display:grid;grid-template-columns:165px minmax(0,1fr);gap:18px;align-items:start}.form-row:before{content:none}.name-fields{grid-column:2;display:grid;grid-template-columns:1fr 1fr;gap:10px}.name-fields label{display:block;padding:0}.name-fields label input{display:block;width:100%}.field-note{font-size:11px;color:#71809a;margin-top:5px;display:block}.support-submit{margin-left:183px;width:max-content;min-width:150px}.form-message{margin:22px 40px 0;border-radius:4px;padding:12px 15px;font-weight:650}.form-message.success{background:#eaf8f0;color:#17643a}.form-message.error{background:#fff0f0;color:#9b2525}
@media(max-width:900px){.support-form{padding:26px}.support-form-heading{padding:28px 26px}.support-form label,.form-row{grid-template-columns:1fr;gap:8px}.support-form input,.support-form textarea,.name-fields{grid-column:1}.name-fields{display:grid}.form-row:before{padding-top:0}.support-submit{margin-left:0;width:100%}.form-message{margin-left:26px;margin-right:26px}}
@media(max-width:600px){.support-section{padding-top:45px}.support-form-heading h2{font-size:25px}.name-fields{grid-template-columns:1fr}}

/* App directory and beta enrollment */
.app-center-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch}
.app-logo-image{min-height:245px;padding:26px;background:linear-gradient(135deg,#f3f8ff,#fff)}
.app-logo-image img{width:min(100%,210px);height:210px;object-fit:contain;border-radius:24px;box-shadow:0 8px 24px rgba(20,55,120,.08)}
.app-status{display:inline-flex;padding:6px 11px;border-radius:999px;font-size:12px;font-weight:800;margin-bottom:12px}
.app-status.live{background:#e8f7ee;color:#17643a}.app-status.beta{background:#eaf2ff;color:#1556c7}.app-status.soon{background:#fff3df;color:#8a5a0b}
.text-link{display:block;color:var(--blue);font-weight:700;margin-top:14px}
.btn.disabled{background:#eef1f6;color:#77839a;cursor:not-allowed}
.beta-section{background:#f1f6ff;border-top:1px solid var(--border)}.beta-container{max-width:900px}.beta-form select{grid-column:2;width:100%;height:44px;border:1px solid #b8c2d4;border-radius:3px;padding:8px 12px;background:#fff;font:inherit;color:var(--text)}
.beta-form .consent-label{display:flex;flex-direction:row;align-items:flex-start;gap:10px;font-size:14px}.beta-form .consent-label input{width:18px;height:18px;flex:0 0 18px;margin-top:3px}.beta-form .support-submit{margin-top:6px}
@media(max-width:900px){.app-center-grid{grid-template-columns:1fr}.beta-form select{grid-column:1}}

.app-card.games{border-top:4px solid #16b8c8}.app-card.games .app-image img{object-fit:contain;padding:22px;max-height:280px}.app-card.games .feature-list{margin:12px 0 18px}

.hp-field{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important;}

/* Product launch graphics: preserve the complete supplied poster artwork. */
.phone-pair:has(img[src*="vitalsync-optimeter-social"]) { width:min(540px,100%); align-items:center; }
.phone-pair img[src*="-social.png"] { width:100%; height:auto; max-height:unset; object-fit:contain; object-position:center; }
.image-showcase img[src*="-social.png"], .product-visual img[src*="-social.png"] { width:100%; height:auto; max-height:none; object-fit:contain; }