:root{--navy:#102d52;--ink:#18324f;--blue:#235b91;--sky:#dcecf5;--mist:#f4f7f8;--line:#d8e1e8;--cyan:#57c9d6;--muted:#65798b;--white:#fff;--max:1220px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:'DM Sans','Noto Sans SC',system-ui,sans-serif;background:#fff;line-height:1.75}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}button{font:inherit}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.25;letter-spacing:-.035em}p{color:#425b70}h1{font-size:clamp(2.7rem,5.9vw,5.9rem)}h2{font-size:clamp(2rem,3.7vw,3.7rem)}h3{font-size:clamp(1.25rem,1.8vw,1.65rem)}.container{width:min(calc(100% - 64px),var(--max));margin-inline:auto}.eyebrow{display:inline-flex;align-items:center;gap:12px;color:#387da3;font-size:.76rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase}.eyebrow:before{content:'';width:31px;height:1px;background:currentColor}.overline{font-size:.72rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:#7d9bb1}.section{padding:110px 0}.section-head{max-width:780px;margin-bottom:54px}.section-head p{font-size:1.08rem;max-width:660px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:22px;min-height:54px;padding:12px 25px;border:1px solid transparent;border-radius:3px;font-weight:700;font-size:.9rem;transition:.2s}.btn:hover{transform:translateY(-2px)}.btn-primary{color:#fff;background:#246897}.btn-primary:hover{background:#185780}.btn-outline{color:#fff;border-color:rgba(255,255,255,.7)}.btn-outline:hover{background:rgba(255,255,255,.1)}.btn-light{color:var(--navy);background:#fff}.text-link{display:inline-flex;align-items:center;gap:13px;color:#185c8c;font-weight:700;border-bottom:1px solid #9cbdce;padding-bottom:7px}.text-link:after{content:'↗';font-size:1.2rem}.text-link:hover{color:#0a3655}
.site-header{height:78px;position:absolute;z-index:20;top:0;left:0;right:0;color:#fff;border-bottom:1px solid rgba(255,255,255,.25)}.site-header.solid{position:relative;color:var(--navy);background:#fff;border-color:var(--line)}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:inline-flex;align-items:center;gap:12px;min-width:220px}.brand img{width:43px;height:43px}.brand span{font-size:1rem;font-weight:700;line-height:1.25;letter-spacing:.025em}.brand small{display:block;font-size:.62rem;font-weight:500;letter-spacing:.2em;opacity:.72}.main-nav{display:flex;align-items:center;gap:30px}.main-nav a{font-size:.83rem;font-weight:600;white-space:nowrap;transition:opacity .2s}.main-nav a:hover,.main-nav a[aria-current=page]{opacity:.65}.nav-toggle{display:none;background:none;border:0;color:inherit;font-size:1.7rem;cursor:pointer}.header-action{padding:9px 17px;border:1px solid currentColor;font-size:.78rem;font-weight:700;white-space:nowrap}
.hero{position:relative;min-height:100svh;display:flex;align-items:center;color:#fff;background:#102d52;overflow:hidden}.hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero:before{position:absolute;inset:0;content:'';z-index:1;background:linear-gradient(180deg,rgba(7,27,51,.42) 0%,rgba(7,27,51,.35) 48%,rgba(7,27,51,.82) 100%),linear-gradient(90deg,rgba(7,27,51,.35),transparent)}.hero-content{position:relative;z-index:2;padding-top:120px;padding-bottom:175px}.hero .eyebrow{color:#c9f5f6}.hero h1{max-width:1000px;margin:28px 0 28px;font-weight:600;text-wrap:balance}.hero h1 em{font-style:normal;color:#b8e5ef}.hero-intro{max-width:700px;color:#e6f0f6;font-size:1.08rem;line-height:1.95}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}.hero-bottom{position:absolute;bottom:0;z-index:2;width:100%;border-top:1px solid rgba(255,255,255,.28)}.hero-bottom-inner{display:flex;align-items:center;min-height:98px;gap:30px}.hero-bottom-label{font-size:.65rem;font-weight:700;letter-spacing:.18em;white-space:nowrap;color:#a9d7e0}.device-strip{display:grid;grid-template-columns:repeat(4,1fr);width:100%}.device-strip a{position:relative;padding:15px 21px;border-left:1px solid rgba(255,255,255,.22);font-size:.85rem;font-weight:600}.device-strip a:before{content:'';display:inline-block;width:7px;height:7px;margin-right:12px;background:#8ce0e5;border-radius:50%}.device-strip a:hover{background:rgba(255,255,255,.08)}.device-strip a:after{content:'↗';float:right;color:#bdeaf1}
.chapter-nav{position:fixed;z-index:15;top:50%;left:15px;transform:translateY(-50%);display:flex;flex-direction:column;gap:5px}.chapter-nav a{display:flex;gap:10px;align-items:center;color:#6990a5;font-size:.65rem;font-weight:700;letter-spacing:.08em;background:rgba(255,255,255,.92);padding:7px 10px;border-radius:2px;box-shadow:0 2px 12px rgba(11,47,76,.05)}.chapter-nav a:hover{color:var(--navy)}.chapter-nav span{color:#2e9db1}
.route-section{background:#f5f9fb}.route-stage{position:relative;min-height:690px;background:#e4eef3;overflow:hidden;display:grid;grid-template-columns:1.2fr .8fr}.route-stage img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.route-stage:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,37,66,.85) 0%,rgba(10,37,66,.45) 55%,rgba(10,37,66,.05) 100%)}.route-copy{position:relative;z-index:1;align-self:end;padding:clamp(30px,6vw,80px);color:#fff;max-width:700px}.route-copy p{color:#e2eef3}.route-copy .eyebrow{color:#9be0e8}.route-copy h2{margin:22px 0}.route-paths{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-top:0;background:#fff}.route-paths a{min-height:160px;padding:26px;border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between;transition:.2s}.route-paths a:last-child{border-right:0}.route-paths a:hover{background:#eaf5f8}.route-paths small{font-size:.7rem;letter-spacing:.13em;color:#6794a8;font-weight:700}.route-paths strong{font-size:1.3rem}.route-paths b{align-self:flex-end;color:#2982a4}.route-paths a:nth-child(2){transform:translateY(16px);box-shadow:0 12px 22px rgba(15,49,76,.06)}.route-paths a:nth-child(3){transform:translateY(-16px);box-shadow:0 12px 22px rgba(15,49,76,.06)}
.story-section{padding:105px 0}.story-row{display:grid;grid-template-columns:1fr 1fr;min-height:500px;margin:0 0 18px;background:#f2f6f8}.story-row:nth-child(even) .story-image{order:2}.story-image{overflow:hidden}.story-image img{width:100%;height:100%;min-height:500px;object-fit:cover}.story-copy{display:flex;flex-direction:column;justify-content:center;padding:clamp(30px,6vw,90px)}.story-copy .step{color:#55a7bd;font-size:.75rem;font-weight:700;letter-spacing:.23em}.story-copy h3{font-size:clamp(2rem,3vw,3.2rem);margin:18px 0}.story-copy p{max-width:470px}.story-row:last-child{background:#163b5d;color:#fff}.story-row:last-child p{color:#d7e7ef}.story-row:last-child .text-link{color:#b2e4ed;border-color:#80b9c6}
.multi-section{background:#fff}.multi-stage{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:30px;align-items:center}.multi-stage img{width:100%;height:410px;object-fit:cover}.multi-center{text-align:center;padding:30px}.multi-center h2{font-size:clamp(2rem,3.4vw,3.5rem)}.multi-center p{margin-bottom:30px}.micro-list{border-top:1px solid var(--line);margin-top:45px;display:grid;grid-template-columns:repeat(3,1fr)}.micro-list div{padding:26px;border-right:1px solid var(--line)}.micro-list div:last-child{border:0}.micro-list strong{display:block;font-size:1.1rem}.micro-list span{color:var(--muted);font-size:.85rem}
.scenario-section{background:#102d52;color:#fff;padding:0}.scenario-image{height:480px;position:relative}.scenario-image img{width:100%;height:100%;object-fit:cover}.scenario-image:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,26,47,.82),rgba(4,26,47,.02))}.scenario-copy{position:absolute;z-index:1;inset:0;display:flex;flex-direction:column;justify-content:center}.scenario-copy h2{max-width:630px}.scenario-copy p{color:#dcebf2;max-width:600px}
.news-section{background:#f6f8f9}.news-story{display:grid;grid-template-columns:1fr 1fr;min-height:360px;margin-bottom:14px;background:#fff}.news-story .news-photo img{width:100%;height:100%;min-height:360px;object-fit:cover}.news-story .news-copy{padding:clamp(28px,5vw,70px);display:flex;flex-direction:column;justify-content:center}.news-story .news-copy h3{font-size:clamp(1.5rem,2.4vw,2.45rem);margin:12px 0 20px}.news-story .news-copy p{max-width:540px}.news-story.reverse .news-photo{order:2}.news-story.feature{position:relative;display:block;min-height:520px;color:#fff;background:#102d52}.news-story.feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.news-story.feature:after{position:absolute;inset:0;content:'';background:linear-gradient(90deg,rgba(7,30,55,.88),rgba(7,30,55,.17))}.news-story.feature .news-copy{position:relative;z-index:1;min-height:520px;max-width:740px}.news-story.feature p{color:#e0ecf0}.news-story.feature .text-link{color:#c2eff3;border-color:#8bc4d0}.news-story.text-feature{display:flex;align-items:center;min-height:290px;background:#dceaf1}.news-story.text-feature .news-copy{width:100%;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}.news-story.text-feature .news-copy p{grid-column:1}.news-story.text-feature .text-link{grid-column:2;grid-row:1/3}.news-story.text-feature h3{max-width:700px}
.faq-section{background:#fff}.faq-wall{display:grid;grid-template-columns:1fr 1fr;gap:0 70px;border-top:1px solid var(--line)}.faq-column{border-right:1px solid var(--line)}.faq-column:last-child{border:0}.qa{padding:32px 30px 34px 0;border-bottom:1px solid var(--line)}.faq-column:last-child .qa{padding-left:10px}.qa h3{font-size:1.13rem;margin-bottom:12px}.qa p{margin:0;font-size:.94rem}.qa h3:before{content:'Q / ';color:#60a9bd;font-size:.75rem;letter-spacing:.1em}
.closing{background:#163b5d;color:#fff;text-align:center;padding:95px 0}.closing h2{max-width:800px;margin:0 auto 23px}.closing p{color:#d9e9ef;max-width:700px;margin:0 auto 30px}.closing .btn{background:#fff;color:#163b5d}
.site-footer{background:#09253f;color:#d6e7ee;padding:65px 0 35px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px}.footer-brand{max-width:300px}.footer-brand .brand{min-width:0}.footer-brand p{font-size:.82rem;color:#9fb4c2;margin:20px 0}.footer-col h3{font-size:.82rem;letter-spacing:.12em;color:#fff;margin-bottom:20px}.footer-col a{display:block;color:#aabfcb;font-size:.82rem;margin:10px 0}.footer-col a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.16);margin-top:50px;padding-top:25px;display:flex;gap:15px;flex-wrap:wrap;justify-content:space-between;color:#9db4c4;font-size:.72rem}.footer-bottom a{text-decoration:underline}
.page-hero{background:#11395e;color:#fff;position:relative;overflow:hidden}.page-hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.38}.page-hero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#102d52 0%,rgba(16,45,82,.68) 65%,rgba(16,45,82,.1))}.page-hero .container{position:relative;z-index:1;padding-top:100px;padding-bottom:100px}.page-hero h1{max-width:900px;font-size:clamp(2.6rem,5vw,5rem);margin:20px 0}.page-hero p{max-width:680px;color:#d4e7ef}.breadcrumbs{display:flex;gap:9px;align-items:center;font-size:.76rem;color:#aed0df}.breadcrumbs a{text-decoration:underline}.page-body{padding:80px 0 100px}.content-narrow{max-width:870px;margin:auto}.intro-block{font-size:1.12rem;color:#3f5d72;line-height:2}.panel{background:#f2f7f9;padding:35px;margin:40px 0}.panel h2{font-size:1.65rem}.prose h2{font-size:2rem;margin-top:55px}.prose h3{font-size:1.35rem;margin-top:35px}.prose p,.prose li{font-size:1.02rem;line-height:2;color:#435c71}.prose ul,.prose ol{padding-left:1.5em}.prose img{width:100%;height:auto;margin:34px 0}.inline-links{display:flex;flex-wrap:wrap;gap:12px;margin:45px 0}.inline-links a{border:1px solid var(--line);padding:13px 17px;color:#245e87;font-size:.85rem;font-weight:700}.inline-links a:hover{background:#eef6f8}.route-tabs{display:flex;justify-content:space-between;gap:10px;border-block:1px solid var(--line);padding:18px 0;margin:45px 0 0}.route-tabs a{font-size:.9rem;color:#28678b;font-weight:700}.download-chapter{display:grid;grid-template-columns:1fr 1fr;min-height:470px;margin:20px 0;background:#f2f7f9}.download-chapter.reverse .download-photo{order:2}.download-photo img{width:100%;height:100%;min-height:470px;object-fit:cover}.download-copy{padding:clamp(30px,5vw,70px);align-self:center}.download-copy .num{font-size:.75rem;color:#449bb3;font-weight:700;letter-spacing:.2em}.download-copy h2{font-size:clamp(1.9rem,3vw,3.1rem);margin:18px 0}.download-copy ol{padding-left:1.2em;color:#425b70}.download-copy .btn{margin-top:20px}.resource-list{display:flex;flex-wrap:wrap;gap:10px 20px;padding:20px 0;border-top:1px solid var(--line)}.resource-list a{font-size:.8rem;color:#5b7285;text-decoration:underline}.resource-list a:hover{color:#1c6590}.article-list{border-top:1px solid var(--line)}.article-list a{display:grid;grid-template-columns:80px 1fr auto;gap:25px;padding:33px 0;border-bottom:1px solid var(--line);align-items:center}.article-list a:hover h2{color:#2278a2}.article-list .index{font-size:1.2rem;color:#8db6c6}.article-list h2{font-size:1.5rem;margin:0 0 10px}.article-list p{margin:0;color:#647a8d;font-size:.9rem}.article-list .arrow{color:#2b809f;font-size:1.5rem}.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:65px;border-top:1px solid var(--line);padding-top:25px}.article-nav a{font-weight:700;color:#235e85}.article-nav a:last-child{text-align:right}.article-nav small{display:block;color:#8aa1b2;font-size:.72rem;font-weight:600;margin-bottom:7px}.article-meta{font-size:.8rem;color:#7890a2;margin-bottom:30px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:60px}.info-band{background:#e7f1f5;padding:28px 32px;margin:40px 0;border-left:3px solid #3fa1b6}
@media(max-width:1300px){.chapter-nav{display:none}.main-nav{gap:18px}.brand{min-width:190px}}
@media(max-width:1000px){.header-action{display:none}.main-nav{gap:14px}.main-nav a{font-size:.75rem}.brand{min-width:170px}.route-stage{min-height:600px}.multi-stage{grid-template-columns:1fr 1fr}.multi-center{grid-column:1/-1;grid-row:1;max-width:650px;margin:auto}.multi-stage img{height:330px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.container{width:min(calc(100% - 36px),var(--max))}.section{padding:72px 0}.site-header{height:66px}.brand{min-width:0}.brand img{width:37px;height:37px}.brand span{font-size:.84rem}.brand small{font-size:.54rem}.nav-toggle{display:block}.main-nav{display:none;position:absolute;top:66px;left:0;right:0;background:#102d52;color:#fff;padding:20px 18px;box-shadow:0 18px 30px rgba(0,0,0,.2)}.main-nav.open{display:flex;flex-direction:column;align-items:stretch;gap:0}.main-nav a{padding:12px 5px;border-bottom:1px solid rgba(255,255,255,.14);font-size:.9rem}.hero{min-height:820px;min-height:100svh}.hero-content{padding-top:125px;padding-bottom:210px}.hero h1{font-size:clamp(2.45rem,10vw,4rem)}.hero-intro{font-size:.95rem}.hero-actions{gap:10px}.hero-actions .btn{width:100%}.hero-bottom-inner{display:block;padding:10px 0}.hero-bottom-label{display:block;margin:3px 0 8px}.device-strip{grid-template-columns:repeat(2,1fr)}.device-strip a{padding:7px 9px;font-size:.74rem}.route-stage{min-height:570px}.route-stage:after{background:linear-gradient(0deg,rgba(10,37,66,.91),rgba(10,37,66,.1))}.route-copy{align-self:end;padding:28px}.route-paths{grid-template-columns:1fr 1fr}.route-paths a{min-height:130px;padding:17px;border-bottom:1px solid var(--line)}.route-paths a:nth-child(2),.route-paths a:nth-child(3){transform:none;box-shadow:none}.route-paths a strong{font-size:1rem}.story-section{padding:70px 0}.story-row,.story-row:nth-child(even){grid-template-columns:1fr}.story-row:nth-child(even) .story-image{order:0}.story-image img{min-height:0;height:300px}.story-copy{padding:36px 26px}.multi-stage{grid-template-columns:1fr 1fr;gap:12px}.multi-stage img{height:210px}.multi-center{padding:0 0 24px}.micro-list{grid-template-columns:1fr;margin-top:28px}.micro-list div{border-right:0;border-bottom:1px solid var(--line);padding:15px}.scenario-image{height:530px}.scenario-copy{justify-content:end;padding-bottom:40px}.news-story,.news-story.reverse{display:flex;flex-direction:column}.news-story .news-photo{order:0!important}.news-story .news-photo img{min-height:0;height:235px}.news-story .news-copy{padding:28px 25px}.news-story.feature,.news-story.feature .news-copy{min-height:480px}.news-story.feature .news-copy{justify-content:end}.news-story.text-feature .news-copy{display:block}.faq-wall{grid-template-columns:1fr;gap:0}.faq-column{border-right:0}.faq-column:last-child .qa{padding-left:0}.qa{padding:25px 0}.closing{padding:70px 0}.footer-grid{grid-template-columns:1fr 1fr;gap:22px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.page-hero .container{padding-top:75px;padding-bottom:75px}.page-body{padding:55px 0 75px}.download-chapter,.download-chapter.reverse{grid-template-columns:1fr}.download-chapter.reverse .download-photo{order:0}.download-photo img{min-height:0;height:290px}.download-copy{padding:32px 25px}.article-list a{grid-template-columns:45px 1fr 20px;gap:12px;padding:25px 0}.article-list h2{font-size:1.1rem}.article-list p{font-size:.82rem}.two-col{grid-template-columns:1fr;gap:10px}.article-nav{gap:10px}.article-nav a{font-size:.82rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}
@media(min-width:1301px){.chapter-nav a{width:47px;white-space:nowrap;overflow:hidden;transition:width .2s}.chapter-nav a:hover,.chapter-nav a:focus{width:135px}}
@media(max-width:720px){.hero h1{font-size:clamp(2rem,7.4vw,2.7rem);line-height:1.22}.hero .eyebrow{font-size:.66rem;letter-spacing:.12em}}
.page-hero h1{text-wrap:balance}
.faq-column:last-child{padding-top:38px}
.download-chapter.android-feature{display:block}
.android-feature .download-photo img{height:420px;min-height:0}
.android-feature .download-copy{display:grid;grid-template-columns:1.4fr 1fr;gap:10px 45px;padding:44px 55px}
.android-feature .num,.android-feature h2,.android-feature p,.android-feature .btn{grid-column:1}
.android-feature h2{margin:4px 0}.android-feature p{margin:0}.android-feature ol{grid-column:2;grid-row:2/5;align-self:center}.android-feature .btn{justify-self:start}
.download-chapter.mac-feature{position:relative;display:block;min-height:540px;background:#102d52;color:#fff}
.mac-feature .download-photo{position:absolute;inset:0}.mac-feature .download-photo img{width:100%;height:100%;min-height:0;object-fit:cover}
.mac-feature:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,37,66,.94),rgba(10,37,66,.18))}
.mac-feature .download-copy{position:relative;z-index:1;max-width:625px;padding:80px 65px}.mac-feature .download-copy p,.mac-feature .download-copy ol{color:#e3eef3}
@media(max-width:720px){.faq-column:last-child{padding-top:0}.android-feature .download-photo img{height:280px}.android-feature .download-copy{display:block;padding:32px 25px}.android-feature .download-copy p{margin:16px 0}.android-feature .download-copy .btn{width:100%}.mac-feature .download-copy{padding:42px 25px}.download-chapter.mac-feature{min-height:650px}.mac-feature:after{background:linear-gradient(0deg,rgba(10,37,66,.94),rgba(10,37,66,.35))}}
@media(max-width:480px){.hero{min-height:max(100svh,930px)}.hero-content{padding-top:110px;padding-bottom:210px}.hero h1{font-size:clamp(2rem,7.3vw,2.5rem)}}