:root{--paper:#fcfbf8;--ink:#232522;--muted:#646862;--gold:#99713b;--line:#e2e1d9;--wash:#f0eee7;--white:#fff;--radius:20px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:112px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8}a{color:var(--gold);text-underline-offset:4px}a:hover{color:#735124}button{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid #b88a48;outline-offset:5px}.container{width:min(1120px,calc(100% - 80px));margin-inline:auto}.preview-bar{background:#ece7dc;color:#655439;text-align:center;font-size:12px;letter-spacing:.1em;padding:6px 20px}.site-header{background:rgba(252,251,248,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.header-inner{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;gap:12px;align-items:center;color:var(--ink);text-decoration:none;font-size:19px;font-weight:650;line-height:1.25;letter-spacing:-.025em}.brand img{border-radius:9px}.brand small{display:block;font-size:11px;font-weight:400;letter-spacing:.12em;color:var(--muted);margin-top:5px}.nav-links{display:flex;gap:36px}.nav-links a{color:var(--muted);font-size:14px;text-decoration:none;padding:8px 0}.nav-links a[aria-current]{color:var(--ink);box-shadow:0 1px var(--gold)}.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:5px 12px;color:var(--ink)}.skip{position:absolute;top:-70px;left:20px;padding:10px;background:var(--ink);color:#fff;z-index:30}.skip:focus{top:4px}.eyebrow{font-size:12px;font-weight:600;letter-spacing:.13em;color:var(--gold);margin:0 0 18px}h1,h2,h3{font-weight:560;line-height:1.3;letter-spacing:-.035em}h1{font-size:clamp(38px,4.7vw,62px);margin:0 0 26px}h2{font-size:32px;margin:0 0 22px}h3{font-size:27px;margin:0 0 14px}p{margin:0 0 20px}.lede{font-size:18px;color:var(--muted);max-width:600px;line-height:1.9}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center;min-height:620px;padding:88px 0 100px}.hero h1 span{color:var(--gold)}.hero-copy .lede{max-width:520px}.hero-art{position:relative;min-height:420px;display:flex;align-items:center;justify-content:center;flex-direction:column;background:radial-gradient(ellipse,#e8dbc2 0%,#f1eee5 48%,var(--paper) 74%);border-radius:50%}.hero-art img{width:min(82%,320px);height:auto;border-radius:24%;box-shadow:0 35px 45px -30px #62481e66}.art-caption{display:flex;align-items:center;gap:17px;font-size:10px;letter-spacing:.2em;color:var(--gold);margin-top:25px}.art-rule{display:block;width:40px;height:1px;background:#bea679}.actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap;margin:32px 0 22px}.button{display:inline-flex;align-items:center;justify-content:center;gap:32px;text-decoration:none;font-size:14px;font-weight:550;border-radius:9px;border:1px solid transparent;padding:14px 22px;min-height:50px;line-height:1.5}.primary{background:var(--ink);color:#fff}.primary:hover{background:#3e423b;color:#fff}.secondary{border-color:#c5bba7;background:transparent;color:var(--ink)}.button:disabled{background:#e3ded2;color:#655a46;border-color:#d7ccba;cursor:not-allowed;opacity:1}.text-link{font-size:14px;text-decoration:none}.compatibility{font-size:12px;color:var(--muted)}.compatibility span{margin:0 9px}.workflows{border-top:1px solid var(--line);padding:75px 0 30px}.section-title{margin-bottom:50px}.workflow-row{display:grid;grid-template-columns:50px minmax(0,1fr) 330px;gap:25px;padding:45px 0;border-top:1px solid var(--line);align-items:center}.workflow-number{font-size:14px;color:#aa9f89;align-self:start;padding-top:4px}.workflow-row p:not(.eyebrow){color:var(--muted);max-width:515px}.target-diagram,.global-diagram{height:205px;border-radius:var(--radius);background:#eeece5;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}.target-diagram>span,.global-diagram>span{position:absolute;bottom:12px;font-size:11px;letter-spacing:.1em;color:#81735d}.subject{width:50px;height:65px;border-radius:50% 50% 35% 35%;background:linear-gradient(#cbb78f,#ab946b)}.selection{position:absolute;width:100px;height:110px}.selection i{position:absolute;width:20px;height:20px;border-color:var(--gold);border-style:solid}.selection i:nth-child(1){left:0;top:0;border-width:2px 0 0 2px}.selection i:nth-child(2){right:0;top:0;border-width:2px 2px 0 0}.selection i:nth-child(3){left:0;bottom:0;border-width:0 0 2px 2px}.selection i:nth-child(4){right:0;bottom:0;border-width:0 2px 2px 0}.global-diagram>div{position:absolute;width:190px;height:110px;border:1px solid #c9bb9f;border-radius:4px;transform:rotate(-9deg)}.global-diagram>div:nth-child(2){transform:none;border:2px solid #9b7842;background:linear-gradient(150deg,#e2d9c5aa,#eeebe2aa)}.local-section{margin:75px 0 0;padding:64px 72px;background:var(--wash);border-radius:var(--radius);max-width:100%}.local-section p:not(.eyebrow){max-width:740px;color:var(--muted)}.closing{display:flex;justify-content:space-between;align-items:center;gap:40px;padding:90px 0}.closing h2{font-size:26px;margin-bottom:15px}.closing p{color:var(--muted);margin:0}.site-footer{border-top:1px solid var(--line);padding:50px 0 22px;margin-top:65px}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}.footer-brand{color:var(--ink);font-size:20px;font-weight:600;text-decoration:none}.footer-grid p{font-size:13px;color:var(--muted);margin:8px 0}.footer-grid nav{display:flex;gap:12px 24px;flex-wrap:wrap;align-content:start;justify-content:flex-end}.footer-grid nav a{color:var(--muted);text-decoration:none;font-size:12px}.footer-status{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;font-size:11px;color:#746f63}.page-heading{padding:76px 0 48px;max-width:850px}.page-heading h1{font-size:46px}.download-panel{display:flex;gap:35px;align-items:center;padding:50px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.download-panel img{border-radius:24px}.download-panel h2{margin-bottom:10px}.download-panel .button{margin:8px 0 20px}.download-panel .muted{font-size:13px;margin:0}.reading{max-width:770px;overflow-wrap:anywhere}.reading>h2,.reading section h2{font-size:25px;margin-top:42px}.reading p,.reading li{font-size:16px;color:#4c514a}.reading li{margin:12px 0}.reading ol{padding-left:25px}.reading section{scroll-margin-top:110px}.document-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:70px}.toc{display:flex;flex-direction:column;gap:12px;font-size:13px;align-self:start;position:sticky;top:120px;margin-top:36px;padding-left:18px;border-left:1px solid var(--line)}.toc a{text-decoration:none;color:var(--muted)}.notice{border-left:3px solid #bfa879;padding:19px 26px;background:var(--wash);margin-bottom:25px;border-radius:0 10px 10px 0;max-width:100%}.notice p{font-size:14px;color:var(--muted);margin:7px 0 0}.source-note{border-top:1px solid var(--line);margin-top:45px;padding-top:20px;font-size:12px;color:var(--muted)}.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:20px 0 45px;border-bottom:1px solid var(--line)}.support-grid h2{font-size:26px}.support-grid p{color:var(--muted)}.support-grid [data-contact]{background:var(--wash);padding:12px 16px;border-radius:8px;font-size:14px}.legal code{font:inherit;background:#f0eee7;padding:0 3px}
@media(max-width:900px){.container{width:calc(100% - 48px)}.hero{gap:30px;min-height:550px;padding:65px 0}.hero-art{min-height:330px}.workflow-row{grid-template-columns:35px minmax(0,1fr) 240px;gap:20px}.document-layout{grid-template-columns:170px minmax(0,1fr);gap:35px}.local-section{padding:45px}.support-grid{gap:35px}}
@media(max-width:640px){html{scroll-padding-top:100px}.container{width:calc(100% - 36px)}.header-inner{min-height:76px;flex-wrap:wrap;padding:16px 0}.brand{font-size:17px}.brand img{width:34px;height:34px}.nav-toggle{display:block}.nav-links{width:100%;gap:26px;flex-wrap:wrap;padding-bottom:5px}.js body:not(.menu-open) .nav-links{display:none}.hero{grid-template-columns:1fr;gap:26px;padding:50px 0 55px}.hero h1{font-size:42px}.hero .lede{font-size:16px}.hero-art{min-height:290px;max-width:360px;width:100%;margin-inline:auto}.hero-art img{width:220px}.art-caption{margin-top:20px}.actions{gap:18px}.workflows{padding-top:50px}.section-title{margin-bottom:35px}h2{font-size:27px}.workflow-row{grid-template-columns:30px minmax(0,1fr);padding:32px 0;gap:14px}.workflow-row>div:last-child{grid-column:2;max-width:100%;height:180px;margin-top:5px}.workflow-row h3{font-size:24px}.workflow-number{font-size:12px}.local-section{padding:30px 24px;margin-top:35px}.closing{align-items:start;flex-direction:column;padding:55px 0;gap:24px}.site-footer{margin-top:35px;padding-top:35px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-grid nav{justify-content:flex-start}.footer-status{flex-direction:column;gap:8px}.page-heading{padding:50px 0 25px}.page-heading h1{font-size:34px}.lede{font-size:16px}.download-panel{padding:30px 22px;gap:25px;align-items:flex-start;flex-direction:column}.download-panel img{width:86px;height:86px}.document-layout{display:block}.toc{position:static;display:flex;flex-flow:row wrap;gap:10px 18px;margin:15px 0 30px;padding-left:12px}.reading>h2,.reading section h2{font-size:23px}.reading p,.reading li{font-size:15px}.notice{padding:16px 18px}.support-grid{grid-template-columns:1fr;gap:30px}.support-grid section+section{border-top:1px solid var(--line);padding-top:30px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* R6.1: editorial product sections; no repeated card grid. */
.capability{padding:76px 0;border-top:1px solid var(--line)}.capability>p:not(.eyebrow),.composition-feature p:not(.eyebrow){max-width:670px;color:var(--muted)}.flow-line{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:14px;list-style:none;padding:0;counter-reset:step;margin:42px 0 25px}.flow-line li{border-top:1px solid var(--line);padding-top:14px;font-size:13px}.flow-line li:before{counter-increment:step;content:"0" counter(step);display:block;color:var(--gold);font-size:11px;margin-bottom:13px}.flow-line small{display:block;color:var(--muted);font-size:10px}.muted{color:var(--muted)}.composition-feature{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.composition-feature h2,.pipeline-feature h2{font-size:38px}.composition-visual{height:290px;background:var(--wash);border-radius:20px;position:relative;overflow:hidden}.composition-guide{position:absolute;inset:36px;border:1px solid #c6b696;background:linear-gradient(90deg,transparent 33%,#c6b69644 33%,#c6b69644 33.3%,transparent 33.3%,transparent 66%,#c6b69644 66%,#c6b69644 66.3%,transparent 66.3%)}.composition-subject{position:absolute;width:65px;height:95px;border-radius:45% 45% 25% 25%;background:#baa47c;left:32%;top:30%}.composition-mark{position:absolute;left:63%;top:41%;font-size:24px;color:var(--gold)}.composition-visual small{position:absolute;bottom:9px;left:0;width:100%;text-align:center;color:var(--muted);font-size:11px}.editorial-three{display:grid;grid-template-columns:repeat(3,1fr);gap:50px;margin:40px 0 25px}.editorial-three span{color:var(--gold);font-size:12px}.editorial-three h3{font-size:25px;margin:12px 0}.editorial-three p{color:var(--muted)}.pipeline-feature{padding:68px 55px;background:var(--wash);border-radius:20px;border:0}.efficiency-line{display:flex;flex-wrap:wrap;gap:18px 30px;margin:32px 0;font-size:15px}.efficiency-line span:before{content:"·";color:var(--gold);margin-right:12px}.export-feature{margin-top:65px}.export-specs{padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--muted);margin:30px 0}.export-specs li{border-bottom:1px solid var(--line);padding-bottom:7px}
@media(max-width:900px){.flow-line{grid-template-columns:repeat(4,minmax(0,1fr))}.composition-feature{gap:35px}.editorial-three{gap:25px}}
@media(max-width:640px){.capability{padding:48px 0}.flow-line{grid-template-columns:1fr;gap:0;margin:25px 0}.flow-line li{position:relative;padding:12px 0 12px 38px;border:0;border-left:1px solid var(--line);margin-left:8px}.flow-line li:before{position:absolute;left:-8px;top:14px;background:var(--paper);margin:0}.flow-line small{display:inline;margin-left:8px}.composition-feature{grid-template-columns:1fr;gap:25px}.composition-feature h2,.pipeline-feature h2{font-size:30px}.composition-visual{height:240px}.editorial-three{grid-template-columns:1fr;gap:15px}.editorial-three>div{border-bottom:1px solid var(--line);padding-bottom:12px}.editorial-three p{margin-bottom:8px}.pipeline-feature{padding:32px 24px}.export-feature{margin-top:35px}}

.platform-switch{padding:48px 0 72px;border-bottom:1px solid var(--line)}.platform-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.platform-card{display:grid;grid-template-columns:minmax(0,1fr) 160px;align-items:center;gap:22px;min-height:245px;padding:28px 30px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);color:var(--ink);text-decoration:none;transition:transform .2s ease,border-color .2s ease}.platform-card:hover{transform:translateY(-3px);border-color:#c7b18c;color:var(--ink)}.platform-card .eyebrow{margin-bottom:10px}.platform-card h3{font-size:25px;margin-bottom:10px}.platform-card p:not(.eyebrow){font-size:14px;color:var(--muted);line-height:1.75;margin:0}.platform-card .text-link{display:inline-block;margin-top:17px}.platform-card-art{display:flex;align-items:center;justify-content:center;min-height:170px}.platform-card-art>img{display:block;width:116px;height:116px;object-fit:cover;border-radius:24px;box-shadow:0 18px 34px -24px #62481e88}.platform-card-art .screen-thumb{width:105px;height:180px;object-fit:contain;border-radius:12px;box-shadow:0 16px 28px -20px #62481e88}.ios-hero{display:grid;grid-template-columns:1.05fr .8fr;gap:64px;align-items:center;min-height:580px;padding:72px 0 82px}.ios-hero h1 span{color:var(--gold)}.ios-hero-copy .lede{max-width:600px}.ios-hero-art{display:flex;justify-content:center;align-items:center;min-height:440px;background:radial-gradient(ellipse,#e8dbc2 0%,#f1eee5 52%,var(--paper) 76%);border-radius:48%}.ios-hero-art img{width:min(100%,380px);height:auto;display:block;filter:drop-shadow(0 28px 24px #4a3c2826)}.release-status{font-size:12px;color:#766a56;margin:8px 0 0}.ios-capabilities{border-top:1px solid var(--line);padding:72px 0 58px}.ios-feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:34px;row-gap:34px}.ios-feature-grid article{border-top:1px solid var(--line);padding:20px 0 0}.ios-feature-grid .workflow-number{display:block;margin-bottom:12px}.ios-feature-grid h3{font-size:22px;margin-bottom:10px}.ios-feature-grid p{font-size:14px;color:var(--muted);margin:0}.ios-gallery-section{border-top:1px solid var(--line);padding:65px 0 30px}.ios-gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.ios-gallery figure{margin:0;min-width:0}.ios-gallery img{display:block;width:100%;height:auto;aspect-ratio:1320/2868;object-fit:contain;background:#f4f1eb;border:1px solid var(--line);border-radius:18px;box-shadow:0 20px 38px -32px #30271a99}.ios-gallery figcaption{display:flex;flex-direction:column;gap:2px;padding:13px 3px 0}.ios-gallery figcaption strong{font-size:14px;font-weight:600}.ios-gallery figcaption span{font-size:12px;color:var(--muted)}.ios-devices{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center;padding:58px 0}.ios-devices h2{max-width:600px}.ios-devices p:not(.eyebrow){max-width:690px;color:var(--muted)}.ios-local-note{display:flex;flex-direction:column;gap:12px;padding:28px 30px;background:var(--wash);border-radius:var(--radius)}.ios-local-note span{font-size:11px;letter-spacing:.14em;color:var(--gold);font-weight:650}.ios-local-note strong{font-size:20px;font-weight:550;line-height:1.5}.ios-local-note .text-link{font-size:13px}.release-status+.release-status{margin-top:6px}.about-intro{max-width:840px;padding:0 0 24px}.about-intro p{font-size:17px;color:var(--muted)}.about-platforms{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;padding:34px 0 54px}.about-platforms section{padding:30px 32px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.about-platforms h2{font-size:25px;margin-bottom:13px}.about-platforms p:not(.eyebrow){color:var(--muted)}.about-quick-start{padding:40px 0 25px;border-top:1px solid var(--line)}.about-contact{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:start;padding:35px 0 20px;border-top:1px solid var(--line)}.about-contact h2{font-size:25px}.about-contact p{color:var(--muted);margin-bottom:10px}.about-contact nav{display:flex;gap:12px 24px;flex-wrap:wrap;justify-content:flex-end}.about-contact nav a{text-decoration:none;font-size:14px}.legal h3{font-size:18px;line-height:1.5;margin:24px 0 10px;letter-spacing:-.01em}.filing-row{text-align:center;margin-top:24px;padding-top:15px;border-top:1px solid var(--line);font-size:12px;line-height:1.6}.filing-row a{color:#746f63;text-decoration:underline;text-underline-offset:3px}.filing-row a:hover{color:var(--gold)}
@media(max-width:900px){.platform-card{grid-template-columns:minmax(0,1fr) 120px;padding:24px}.platform-card-art .screen-thumb{width:92px;height:155px}.ios-hero{gap:32px;min-height:520px}.ios-hero-art{min-height:360px}.ios-hero-art img{width:min(100%,330px)}.ios-feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ios-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.ios-gallery img{max-height:620px;object-fit:contain}.ios-devices{gap:28px}.about-platforms{gap:16px}}
@media(max-width:640px){.platform-switch{padding:32px 0 48px}.platform-grid{grid-template-columns:1fr;gap:14px}.platform-card{grid-template-columns:minmax(0,1fr) 95px;min-height:190px;padding:20px;gap:10px}.platform-card h3{font-size:22px}.platform-card p:not(.eyebrow){font-size:13px}.platform-card-art{min-height:140px}.platform-card-art>img{width:80px;height:80px}.platform-card-art .screen-thumb{width:82px;height:138px}.ios-hero{grid-template-columns:1fr;gap:24px;min-height:0;padding:48px 0 45px}.ios-hero h1{font-size:40px}.ios-hero-art{min-height:0;max-width:340px;width:100%;margin:0 auto;padding:10px}.ios-hero-art img{width:min(100%,270px)}.ios-capabilities{padding:45px 0 35px}.ios-feature-grid{grid-template-columns:1fr;row-gap:20px}.ios-gallery-section{padding:44px 0 20px}.ios-gallery{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,72vw);grid-template-columns:none;gap:15px;overflow-x:auto;padding:0 0 18px;scroll-snap-type:x mandatory;overscroll-behavior-x:contain}.ios-gallery figure{scroll-snap-align:start}.ios-gallery img{max-height:540px;border-radius:14px}.ios-devices{grid-template-columns:1fr;gap:8px;padding:40px 0}.ios-local-note{padding:22px}.about-intro p{font-size:15px}.about-platforms{grid-template-columns:1fr;padding:20px 0 35px}.about-platforms section{padding:25px 24px}.about-quick-start{padding:30px 0 18px}.about-contact{grid-template-columns:1fr;gap:20px;padding-top:28px}.about-contact nav{justify-content:flex-start}.filing-row{margin-top:20px}.site-footer .footer-grid nav{gap:10px 16px}}

/* R6.2: larger editorial labels and a clearer workflow timeline. */
.eyebrow{font-size:15px;line-height:1.5;letter-spacing:.1em;margin-bottom:20px}
h1{font-size:clamp(42px,5vw,68px)}
h2{font-size:36px}
h3{font-size:29px}
.page-heading h1{font-size:50px}
.reading>h2,.reading section h2{font-size:28px}
.support-grid h2,.about-platforms h2,.about-contact h2{font-size:28px}
.closing h2{font-size:30px}
.legal h3{font-size:20px}
.platform-card h3{font-size:28px}
.ios-feature-grid h3{font-size:24px}
.composition-feature h2,.pipeline-feature h2{font-size:42px}
.flow-line{gap:0;margin:48px 0 30px}
.flow-line li{position:relative;border:0;padding:44px 14px 12px 0;font-size:16px;font-weight:560;line-height:1.55}
.flow-line li:before{position:absolute;top:0;left:0;width:30px;height:30px;display:grid;place-items:center;margin:0;border:1px solid #d5c5a6;border-radius:50%;background:var(--paper);font-size:13px;font-weight:650;line-height:1;color:var(--gold)}
.flow-line li:not(:last-child):after{content:"";position:absolute;top:15px;left:40px;right:13px;height:1px;background:linear-gradient(90deg,#cdb78d,var(--line))}
.flow-line li:last-child:after{display:none}
.flow-line small{display:block;font-size:12px;line-height:1.5;margin-top:4px;color:var(--muted)}
.ios-duo-showcase{margin-top:72px;padding-top:62px;border-top:1px solid var(--line)}
.ios-duo-showcase .section-title{margin-bottom:36px}
.ios-duo-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.ios-duo-gallery figure{margin:0;min-width:0}
.ios-duo-gallery img{display:block;width:100%;height:auto;aspect-ratio:2007/2853;object-fit:contain;background:#f4f1eb;border:1px solid var(--line);border-radius:20px;box-shadow:0 20px 38px -32px #30271a99}
.ios-duo-gallery figcaption{display:flex;flex-direction:column;gap:3px;padding:14px 4px 0}
.ios-duo-gallery figcaption strong{font-size:16px;font-weight:620}
.ios-duo-gallery figcaption span{font-size:13px;color:var(--muted)}
@media(max-width:900px){
.flow-line{grid-template-columns:repeat(4,minmax(0,1fr));row-gap:28px}
.flow-line li:nth-child(4):after{display:none}
.ios-duo-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
}
@media(max-width:640px){
h1{font-size:45px}
h2{font-size:30px}
h3{font-size:26px}
.hero h1{font-size:45px}
.ios-hero h1{font-size:44px}
.page-heading h1{font-size:38px}
.reading>h2,.reading section h2{font-size:25px}
.support-grid h2,.about-platforms h2,.about-contact h2{font-size:25px}
.closing h2{font-size:27px}
.legal h3{font-size:19px}
.platform-card h3{font-size:25px}
.ios-feature-grid h3{font-size:25px}
.composition-feature h2,.pipeline-feature h2{font-size:34px}
.flow-line{grid-template-columns:1fr;gap:0;margin:32px 0 24px;padding-left:0}
.flow-line li{min-height:58px;padding:0 0 22px 48px;margin:0;border:0;font-size:16px}
.flow-line li:before{top:0;left:0;width:30px;height:30px}
.flow-line li:not(:last-child):after{top:30px;left:14px;right:auto;width:1px;height:calc(100% - 30px);background:linear-gradient(#cdb78d,var(--line))}
.flow-line li:last-child:after{display:none}
.flow-line small{display:block;margin:3px 0 0}
.ios-duo-showcase{margin-top:52px;padding-top:46px}
.ios-duo-gallery{grid-auto-flow:column;grid-auto-columns:minmax(0,80vw);grid-template-columns:none;gap:16px;overflow-x:auto;padding:0 0 18px;scroll-snap-type:x mandatory;overscroll-behavior-x:contain}
.ios-duo-gallery figure{scroll-snap-align:start}
.ios-duo-gallery img{border-radius:15px}
}
.duo-jump{text-align:right;margin:18px 0 0;font-size:15px}
@media(max-width:640px){.duo-jump{text-align:left;font-size:14px;margin-top:12px}}

/* R6.3: increase section-title scale consistently across the site. */
.eyebrow{font-size:17px;margin-bottom:21px}
h1{font-size:clamp(42px,5vw,70px)}
h2{font-size:38px}
h3{font-size:30px}
.page-heading h1{font-size:52px}
.reading>h2,.reading section h2{font-size:30px}
.support-grid h2,.about-platforms h2,.about-contact h2{font-size:30px}
.closing h2{font-size:32px}
.legal h3{font-size:21px}
.platform-card h3{font-size:29px}
.ios-feature-grid h3{font-size:25px}
.composition-feature h2,.pipeline-feature h2{font-size:44px}
.flow-line li{font-size:17px}
.flow-line small{font-size:13px}
@media(max-width:640px){
h1{font-size:46px}
h2{font-size:32px}
h3{font-size:27px}
.hero h1{font-size:46px}
.ios-hero h1{font-size:45px}
.page-heading h1{font-size:39px}
.reading>h2,.reading section h2{font-size:26px}
.support-grid h2,.about-platforms h2,.about-contact h2{font-size:26px}
.closing h2{font-size:28px}
.legal h3{font-size:20px}
.platform-card h3{font-size:26px}
.ios-feature-grid h3{font-size:26px}
.composition-feature h2,.pipeline-feature h2{font-size:35px}
.flow-line li{font-size:17px}
.flow-line small{font-size:13px}
}
@media(max-width:640px){
.ios-gallery,.ios-duo-gallery{display:flex;grid-template-columns:none;grid-auto-flow:initial;grid-auto-columns:auto;gap:15px;overflow-x:auto;padding:0 0 18px;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch}
.ios-gallery figure{flex:0 0 min(72vw,300px);scroll-snap-align:start}
.ios-duo-gallery figure{flex:0 0 min(80vw,320px);scroll-snap-align:start}
}

/* R6.4: improve title hierarchy and small section labels. */
.eyebrow{font-size:19px;line-height:1.45;margin-bottom:22px}
h1{font-size:clamp(46px,5.2vw,74px)}
h2{font-size:42px}
h3{font-size:32px}
.hero h1{font-size:68px}
.ios-hero h1{font-size:68px}
.page-heading h1{font-size:54px}
.reading>h2,.reading section h2{font-size:32px}
.support-grid h2,.about-platforms h2,.about-contact h2{font-size:32px}
.closing h2{font-size:34px}
.legal h3{font-size:22px}
.platform-card h3{font-size:31px}
.ios-feature-grid h3{font-size:27px}
.composition-feature h2,.pipeline-feature h2{font-size:46px}
.flow-line li{font-size:18px}
.ios-gallery figcaption strong{font-size:16px}
.mobile-title-break{display:none}
@media(min-width:641px) and (max-width:900px){
.hero h1{font-size:54px}
.hero .mobile-title-break{display:block}
.ios-hero h1{font-size:56px}
.page-heading h1{font-size:48px}
}
@media(min-width:641px) and (max-width:740px){.ios-hero h1{font-size:48px}}
@media(max-width:640px){
.eyebrow{font-size:18px;margin-bottom:18px}
h1{font-size:48px}
h2{font-size:34px}
h3{font-size:29px}
.hero h1{font-size:48px}
.ios-hero h1{font-size:48px}
.page-heading h1{font-size:41px}
.reading>h2,.reading section h2{font-size:28px}
.support-grid h2,.about-platforms h2,.about-contact h2{font-size:28px}
.closing h2{font-size:30px}
.legal h3{font-size:21px}
.platform-card h3{font-size:27px}
.ios-feature-grid h3{font-size:27px}
.composition-feature h2,.pipeline-feature h2{font-size:37px}
.flow-line li{font-size:18px}
.mobile-title-break{display:block}
}