:root{--navy:#0b1f3a;--navy-2:#142d52;--blue:#0b57d0;--blue-2:#246ee8;--violet:#4f46e5;--green:#087a55;--canvas:#f4f7fc;--surface:#fff;--ink:#10213d;--muted:#65728a;--line:#dce4ef;--soft-blue:#eaf2ff;--soft-green:#e9f8f1;--shadow:0 24px 70px rgba(16,33,61,.12)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--canvas);color:var(--ink);font:16px/1.65 Inter,"Segoe UI",system-ui,sans-serif}
a{color:inherit}.skip-link{position:fixed;left:16px;top:-80px;z-index:100;background:#fff;color:var(--navy);padding:10px 14px;border-radius:8px}.skip-link:focus{top:16px}
.site-header{height:82px;max-width:1240px;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand img{filter:drop-shadow(0 8px 18px rgba(11,87,208,.22))}.brand strong,.brand small{display:block}.brand strong{font-size:1.12rem;line-height:1.15}.brand small{font-size:.76rem;color:var(--muted);margin-top:4px}
nav{display:flex;align-items:center;gap:30px}nav a{text-decoration:none;font-size:.92rem;font-weight:700;color:#45536b}nav a:hover{color:var(--blue)}.nav-download{padding:10px 17px;border-radius:10px;background:var(--navy);color:#fff!important}
.hero{max-width:1240px;min-height:700px;margin:auto;padding:76px 28px 92px;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(380px,.92fr);align-items:center;gap:70px}
.eyebrow{margin:0 0 15px;color:var(--blue);font-size:.73rem;font-weight:850;letter-spacing:.13em}.hero h1{max-width:760px;margin:0;font-size:clamp(3.15rem,6vw,5.45rem);line-height:.99;letter-spacing:-.062em}.hero-lead{max-width:680px;margin:28px 0;color:var(--muted);font-size:1.14rem;line-height:1.75}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 21px;border-radius:12px;text-decoration:none;font-weight:800;font-size:.93rem}.button.primary{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;box-shadow:0 12px 24px rgba(11,87,208,.2)}.button.secondary{border:1px solid #c7d2e3;background:rgba(255,255,255,.72)}.button.light{background:#fff;color:var(--navy);gap:20px}.button:hover{transform:translateY(-1px)}
.trust-list{display:flex;flex-wrap:wrap;gap:23px;margin:27px 0 0;padding:0;list-style:none;color:#46546b;font-size:.84rem;font-weight:700}.trust-list li::before{content:"✓";color:var(--green);margin-right:7px;font-weight:900}
.product-visual{position:relative;min-height:600px;display:grid;place-items:center}.visual-halo{position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,#dbe8ff 0,#eaf1ff 54%,transparent 70%)}.phone-frame{position:relative;width:274px;height:564px;overflow:hidden;border:9px solid var(--navy);border-radius:43px;background:#fff;box-shadow:0 38px 80px rgba(11,31,58,.26);transform:rotate(2deg)}.phone-frame img{width:100%;height:100%;object-fit:cover;object-position:top}.phone-speaker{position:absolute;z-index:2;width:76px;height:18px;left:50%;top:-3px;transform:translateX(-50%);border-radius:0 0 14px 14px;background:var(--navy)}
.floating-proof{position:absolute;z-index:3;width:210px;padding:14px 16px;border:1px solid rgba(220,228,239,.86);border-radius:14px;background:rgba(255,255,255,.94);box-shadow:0 18px 45px rgba(16,33,61,.13);backdrop-filter:blur(10px)}.floating-proof span{float:left;width:36px;height:36px;margin-right:11px;border-radius:10px;display:grid;place-items:center;background:var(--soft-green);color:var(--green);font-weight:900}.floating-proof strong,.floating-proof small{display:block}.floating-proof strong{font-size:.81rem}.floating-proof small{color:var(--muted);font-size:.69rem}.proof-top{right:-6px;top:110px}.proof-bottom{left:-18px;bottom:95px}
.academic-strip{max-width:1184px;margin:0 auto 92px;padding:0 28px;display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:16px;background:var(--surface);box-shadow:0 10px 35px rgba(16,33,61,.05)}.academic-strip div{display:flex;align-items:center;gap:14px;padding:23px}.academic-strip div+div{border-left:1px solid var(--line)}.academic-strip strong{font-size:.75rem;color:var(--blue)}.academic-strip span{font-size:.88rem;font-weight:750}
.section{max-width:1184px;margin:auto;padding:86px 28px}.section-heading{max-width:680px;margin-bottom:40px}.section-heading h2,.privacy-section h2,.download-callout h2{font-size:clamp(2rem,4vw,3.15rem);line-height:1.1;letter-spacing:-.04em;margin:0 0 18px}.section-heading>p:last-child{color:var(--muted);font-size:1.02rem}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.steps-grid article{min-height:260px;padding:28px;border:1px solid var(--line);border-radius:19px;background:var(--surface);box-shadow:0 12px 35px rgba(16,33,61,.05)}.step-number{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--soft-blue);color:var(--blue);font-weight:900}.steps-grid h3{font-size:1.34rem;margin:55px 0 8px}.steps-grid p{margin:0;color:var(--muted)}
.products-section{max-width:none;padding-left:max(28px,calc((100vw - 1128px)/2));padding-right:max(28px,calc((100vw - 1128px)/2));background:var(--navy);color:#fff}.products-section .eyebrow{color:#82b1ff}.products-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.product-card{position:relative;overflow:hidden;padding:34px;border:1px solid rgba(255,255,255,.16);border-radius:22px;background:linear-gradient(145deg,#17365f,#102b4f)}.desktop-card{background:linear-gradient(145deg,#312e81,#25205f)}.product-icon{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;background:rgba(255,255,255,.13);font-size:1.45rem}.product-label{display:block;margin-top:32px;color:#9bbef4;font-size:.7rem;font-weight:850;letter-spacing:.12em}.desktop-card .product-label{color:#c1bfff}.product-card h3{font-size:1.75rem;margin:7px 0}.product-card>p{color:#c0cee0}.product-card ul{padding-left:20px;margin:24px 0 0;color:#e5edf7}.product-card li+li{margin-top:8px}.product-card code{font-size:.88em}
.privacy-section{max-width:1128px;margin:95px auto;padding:42px;display:grid;grid-template-columns:auto minmax(250px,.9fr) minmax(280px,1fr);align-items:center;gap:32px;border:1px solid #b9e5d2;border-radius:22px;background:var(--soft-green)}.privacy-symbol{width:62px;height:62px;border-radius:18px;display:grid;place-items:center;background:#fff;color:var(--green);font-size:1.6rem}.privacy-section h2{font-size:2.15rem;margin:0}.privacy-section>p{color:#3f6154}
.download-callout{max-width:1128px;margin:0 auto 100px;padding:44px 48px;border-radius:24px;background:linear-gradient(130deg,var(--blue),#1e4fa3);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:35px}.download-callout .eyebrow{color:#c9dcff}.download-callout h2{font-size:2.35rem}.download-callout p:last-child{margin-bottom:0;color:#d9e6fb}
footer{max-width:1184px;margin:auto;padding:30px 28px 42px;border-top:1px solid var(--line);display:flex;align-items:center;gap:30px;color:var(--muted);font-size:.85rem}footer p{margin-right:auto}footer>a:last-child{font-weight:750;text-decoration:none}.footer-brand small{font-size:.68rem}
.downloads-main{max-width:1128px;margin:auto;padding:70px 28px 100px}.downloads-heading{max-width:720px;margin-bottom:48px}.downloads-heading .back-link{display:inline-block;margin-bottom:48px;color:var(--muted);font-weight:700;text-decoration:none}.downloads-heading h1{font-size:clamp(2.7rem,6vw,4.7rem);line-height:1;letter-spacing:-.055em;margin:0 0 20px}.downloads-heading>p:last-child{font-size:1.08rem;color:var(--muted)}
.release-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.release-card{padding:30px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 15px 40px rgba(16,33,61,.06)}.release-card.unavailable{background:#f8fafc}.release-top{display:flex;justify-content:space-between;align-items:center}.release-icon{width:54px;height:54px;border-radius:15px;display:grid;place-items:center;background:var(--soft-blue);color:var(--blue);font-size:1.4rem}.availability{border-radius:20px;padding:5px 10px;background:#eef1f5;color:#65728a;font-size:.72rem;font-weight:850}.availability.ready{background:var(--soft-green);color:var(--green)}.release-card h2{font-size:1.65rem;margin:8px 0}.release-card>p{color:var(--muted)}.release-card dl{margin:26px 0}.release-card dl div{display:flex;justify-content:space-between;padding:10px 0;border-top:1px solid var(--line);font-size:.86rem}.release-card dt{color:var(--muted)}.release-card dd{margin:0;font-weight:800}.full-width{width:100%}.button.disabled{background:#e7ebf1;color:#8a95a7;cursor:not-allowed}.release-note{font-size:.78rem!important;margin-bottom:0}.checksum{margin-top:17px;font-size:.78rem;color:var(--muted)}.checksum summary{cursor:pointer;font-weight:750}.checksum code{display:block;margin-top:10px;padding:10px;background:#f6f8fb;border-radius:8px;overflow-wrap:anywhere;color:#32415a;font-size:.7rem}
.install-panel{margin-top:24px;padding:30px;border:1px solid var(--line);border-radius:20px;background:var(--navy);color:#fff}.install-panel>div{display:flex;align-items:center;gap:13px}.install-panel h2{font-size:1.35rem}.install-panel ol{margin:20px 0;color:#e7edf6}.install-panel p{margin:0;color:#b9c7d9;font-size:.88rem}.install-panel code{padding:2px 5px;border-radius:4px;background:#263e60;color:#fff}
@media(max-width:900px){.hero{grid-template-columns:1fr;padding-top:55px}.product-visual{min-height:580px}.academic-strip{grid-template-columns:1fr}.academic-strip div+div{border-left:0;border-top:1px solid var(--line)}.steps-grid,.products-grid,.release-grid{grid-template-columns:1fr}.privacy-section{grid-template-columns:auto 1fr}.privacy-section>p{grid-column:1/-1}.download-callout{align-items:flex-start;flex-direction:column}}
@media(max-width:640px){body{font-size:16px}.site-header{height:auto;padding:18px 20px}.brand small{display:none}nav{gap:10px}nav a:not(.nav-download){display:none}.hero{padding:58px 20px 70px;gap:25px}.hero h1{font-size:3.3rem}.hero-lead{font-size:1rem}.product-visual{min-height:520px}.phone-frame{width:230px;height:475px}.floating-proof{width:185px}.proof-top{right:0}.proof-bottom{left:0}.academic-strip{margin:0 20px 45px;padding:0}.section{padding:65px 20px}.products-section{padding-left:20px;padding-right:20px}.privacy-section{margin:65px 20px;padding:28px 24px;grid-template-columns:1fr}.privacy-section>p{grid-column:auto}.download-callout{margin:0 20px 70px;padding:31px 25px}.download-callout h2{font-size:2rem}.downloads-main{padding:45px 20px 75px}.downloads-heading .back-link{margin-bottom:35px}footer{margin:0 20px;padding-left:0;padding-right:0;flex-wrap:wrap}footer p{width:100%;order:3}.footer-brand small{display:block}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button:hover{transform:none}}