:root{--ink:#172631;--text:#334957;--muted:#68808c;--line:#dfebec;--mist:#f5faf8;--jade:#287d73;--jade-dark:#20695f;--mint:#daf5e9;--sky:#ecf5ff;--white:#fff;--shadow:0 28px 90px rgba(26,68,70,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;height:auto}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid #74bfa8;outline-offset:4px}::selection{background:#caeee1;color:#193f37}.shell{width:min(1160px,calc(100% - 64px));margin:0 auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.86);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(218,232,230,.78)}.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:760;letter-spacing:-.04em;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:13px;background:linear-gradient(160deg,#d6f5e3,#ebf5ff);box-shadow:inset 0 0 0 1px #cbe8da}.brand-mark svg{width:29px;height:29px}.nav-links{display:flex;align-items:center;gap:31px;color:#526b74;font-size:14px;font-weight:560}.nav-links a:hover,.footer-links a:hover{color:var(--jade)}.nav-right{display:flex;align-items:center;gap:14px}.lang-switch{border:1px solid #dde9e5;border-radius:100px;padding:10px 15px;background:white;color:#49646b;font-size:12px;font-weight:740;letter-spacing:.04em}.nav-download{border-radius:100px;padding:11px 19px;background:#1f7166;color:white;font-weight:650;font-size:13px;transition:background .2s,transform .2s}.nav-download:hover,.button.primary:hover{background:#155d53;transform:translateY(-2px)}.hero{overflow:hidden;position:relative;background:radial-gradient(circle at 78% 20%,#eaf9f2 0,transparent 40%),radial-gradient(circle at 45% 25%,#f1f8ff 0,transparent 34%),linear-gradient(#fff 4%,#fafdfb 100%)}.hero>.shell{min-height:660px;display:grid;grid-template-columns:.95fr 1.05fr;align-items:center;gap:52px;padding:64px 0 86px}.eyebrow{display:inline-flex;align-items:center;gap:9px;border:1px solid #d2e7df;background:#f4fcf8;border-radius:50px;padding:8px 13px;color:#367c6e;font-size:12px;font-weight:700;letter-spacing:.07em}.eyebrow .dot{width:7px;height:7px;background:#55b592;border-radius:50%;box-shadow:0 0 0 4px #dcf4e7}.hero h1{font-size:clamp(44px,4.5vw,66px);letter-spacing:-.065em;line-height:1.24;font-weight:790;margin:27px 0 24px;max-width:640px}.hero h1 .accent{color:var(--jade);display:block}.hero .subhead{max-width:500px;font-size:17px;line-height:1.95;color:#5d7480;margin:0}.actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:35px}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:49px;padding:0 23px;border-radius:13px;font-size:14px;font-weight:720;border:1px solid #d5e6e0;transition:background .2s,transform .2s,box-shadow .2s}.button.primary{color:white;background:var(--jade);border-color:var(--jade);box-shadow:0 10px 30px rgba(40,125,115,.16)}.button.secondary{color:#2c5960;background:#fff}.button.secondary:hover{background:#f1faf6;transform:translateY(-2px)}.button svg{width:16px;height:16px}.hero-notes{display:flex;gap:19px;flex-wrap:wrap;margin-top:30px;color:#7b9197;font-size:12px;font-weight:560}.hero-notes span:before{content:"";display:inline-block;width:5px;height:5px;background:#85beb0;border-radius:50%;margin-right:9px;vertical-align:middle}.section{padding:104px 0}.section.cream{background:#f7faf9}.section-head{max-width:690px;margin:0 auto 47px;text-align:center}.kicker{color:#378e7f;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.section h2{font-size:clamp(29px,3vw,42px);line-height:1.28;letter-spacing:-.045em;margin:15px 0 16px}.section-head p{margin:0;color:#70838b;font-size:15px;line-height:1.9}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature{padding:30px;border:1px solid #e4edeb;background:white;border-radius:22px;min-height:256px;box-shadow:0 6px 20px rgba(54,96,91,.025);transition:transform .22s,box-shadow .22s}.feature:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.feature-icon{display:grid;place-items:center;width:54px;height:54px;border-radius:16px;background:#e8f7f0;color:#308674}.feature:nth-child(2) .feature-icon{background:#edf4ff;color:#6387be}.feature:nth-child(3) .feature-icon{background:#f2f1fc;color:#9189be}.feature-icon svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.feature h3{font-size:20px;margin:25px 0 11px;letter-spacing:-.025em}.feature p{font-size:14px;color:#72838c;line-height:1.9;margin:0}.showcase{display:grid;grid-template-columns:1fr 1fr;gap:74px;align-items:center}.showcase-panel{border-radius:30px;padding:38px;background:linear-gradient(140deg,#e6f5ec,#e7f1fa);border:1px solid #dceee8;min-height:390px;display:flex;flex-direction:column;justify-content:space-between}.panel-label{display:inline-block;width:max-content;padding:8px 12px;background:#ffffffbf;border:1px solid #ffffff;border-radius:100px;color:#57766f;font-size:12px;font-weight:700}.micro-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;align-items:end;margin:43px 0 34px}.micro-icon{border-radius:17px;display:flex;justify-content:center;align-items:center;min-height:73px;background:#ffffffb7;border:1px solid white;box-shadow:0 9px 19px rgba(76,123,105,.08);font-size:28px}.micro-icon:nth-child(2){transform:translateY(-12px)}.micro-icon:nth-child(3){transform:translateY(7px)}.panel-caption{color:#68847b;font-size:12px}.showcase h2{font-size:clamp(30px,3.3vw,45px);line-height:1.34;letter-spacing:-.05em;margin:13px 0 19px}.showcase p{font-size:15px;line-height:1.95;color:#72838c}.check-list{margin:25px 0 0;padding:0;list-style:none}.check-list li{margin:11px 0;color:#415d63;font-size:14px;font-weight:600}.check-list li:before{content:"✓";display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;margin-right:12px;background:#e3f5ec;color:#288672;font-size:12px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}.step{padding:25px 12px 9px;border-top:1px solid #dce8e5}.step-n{font-size:12px;font-weight:800;color:#3e9888;margin:0 0 22px}.step h3{font-size:19px;margin:0 0 12px}.step p{font-size:14px;color:#7a8a91;line-height:1.85;margin:0}.faq{max-width:840px;margin:auto}.faq details{border-bottom:1px solid #dbe9e6;padding:17px 0}.faq summary{cursor:pointer;list-style:none;font-size:16px;font-weight:690;display:flex;align-items:center;justify-content:space-between;padding:6px 0}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-size:22px;color:#6d988a;font-weight:400}.faq details[open] summary:after{content:"−"}.faq details p{margin:10px 30px 6px 0;color:#74878e;line-height:1.85;font-size:14px}.download-block{background:#1b4a49;color:white;border-radius:30px;padding:54px 64px;display:flex;align-items:center;justify-content:space-between;gap:28px;overflow:hidden;position:relative}.download-block:before{content:"";position:absolute;right:-80px;top:-160px;width:420px;height:420px;background:#4baf91;border-radius:50%;filter:blur(90px);opacity:.36}.download-block h2{color:white;font-size:clamp(27px,3vw,38px);line-height:1.3;margin:10px 0 14px}.download-block p{color:#c3ddd6;font-size:14px;line-height:1.85;margin:0}.download-block .button{position:relative;background:#fff;color:#1e6d60;border-color:#fff;white-space:nowrap}.download-block .button:hover{background:#e8fcf2}.download-block .button[aria-disabled="true"]{opacity:.88;cursor:not-allowed}.site-footer{padding:42px 0 54px;border-top:1px solid #e5edeb}.footer-content{display:flex;align-items:center;justify-content:space-between;gap:24px}.footer-text{font-size:12px;color:#8a9ca2;margin-top:10px}.footer-links{display:flex;gap:24px;font-size:13px;color:#758a92}.mobile-only{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes drift{0%,100%{transform:translateX(0) translateY(0)}50%{transform:translateX(8px) translateY(-9px)}}
@media(max-width:920px){.nav-links{gap:17px}.nav-links a:nth-child(3){display:none}.hero>.shell{grid-template-columns:1fr;gap:24px;padding:66px 0 80px}.hero-copy{max-width:670px}.showcase{gap:30px}.download-block{padding:42px 34px}}
@media(max-width:650px){.shell{width:min(100% - 38px,1160px)}.nav{height:66px}.brand{font-size:18px}.brand-mark{width:34px;height:34px;border-radius:11px}.nav-links{display:none}.nav-right{gap:8px}.lang-switch{padding:8px 10px}.nav-download{padding:9px 12px;font-size:12px}.hero>.shell{padding:52px 0 64px}.hero h1{font-size:clamp(37px,9vw,52px);line-height:1.25}.hero .subhead{font-size:15px;line-height:1.85}.hero-notes{gap:13px}.section{padding:75px 0}.section-head{margin-bottom:30px}.feature-grid,.steps,.showcase{grid-template-columns:1fr}.feature{min-height:0;padding:26px}.feature h3{margin:19px 0 8px}.showcase{gap:31px}.showcase-panel{min-height:300px;padding:27px;border-radius:23px}.micro-row{margin:36px 0}.showcase h2{font-size:31px}.steps{gap:5px}.step{padding:22px 0 12px}.step-n{margin-bottom:12px}.download-block{display:block;text-align:left;padding:35px 27px;border-radius:23px}.download-block .button{margin-top:23px}.footer-content{display:block}.footer-links{margin-top:24px;flex-wrap:wrap;gap:17px}.mobile-only{display:block}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* Single animated GIF preview. No thumbnail gallery. */
.preview-section{background:linear-gradient(180deg,#fff 0%,#f7fbfa 100%);scroll-margin-top:75px}
.preview-stage{max-width:1060px;margin:0 auto;overflow:hidden;border:1px solid #dce9e7;border-radius:24px;background:#fff;box-shadow:0 22px 75px rgba(28,72,73,.085)}
.preview-stage-bar{height:46px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 20px;background:#f8fbfa;color:#6b8389;border-bottom:1px solid #e5eeec;font-size:12px;font-weight:600}
.preview-window-dots{display:flex;gap:7px}.preview-window-dots i{width:9px;height:9px;border-radius:50%;background:#ffb6ae}.preview-window-dots i:nth-child(2){background:#f4d497}.preview-window-dots i:nth-child(3){background:#a5d7b7}
.preview-aspect{font-variant-numeric:tabular-nums;font-size:11px;color:#8fa3a7;letter-spacing:.06em}
.preview-screen{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#e9f6f1 0%,#f2f8fa 56%,#edf1fb 100%)}
.preview-screen::after{content:"";position:absolute;inset:18px;border:1.5px dashed #c2d8d6;border-radius:14px;pointer-events:none;opacity:.8}
.preview-stage.is-ready .preview-screen::after{display:none}
.preview-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:13px;padding:30px;text-align:center;color:#789b97}
.preview-placeholder svg{width:60px;height:60px;opacity:.72}
.preview-placeholder strong{color:#476c69;font-size:clamp(19px,2.2vw,25px);letter-spacing:-.03em}
.preview-placeholder span{color:#83a09b;font-size:13px;line-height:1.7}
.preview-main-image{width:100%;height:100%;display:block;object-fit:contain;background:#eef5f3}
.preview-main-image[hidden],.preview-placeholder[hidden]{display:none}
.preview-stage-footer{min-height:43px;display:flex;align-items:center;gap:9px;color:#75898c;background:#fff;font-size:12px;padding:9px 21px}
.preview-live-dot{background:#9ebdb6;border-radius:50%;height:7px;width:7px;flex:0 0 auto}
@media(max-width:650px){.preview-stage{border-radius:17px}.preview-stage-bar{height:39px;padding:0 12px;font-size:10px}.preview-screen::after{inset:9px;border-radius:7px}.preview-placeholder{gap:7px;padding:10px}.preview-placeholder svg{width:33px;height:33px}.preview-placeholder strong{font-size:15px}.preview-placeholder span{font-size:10px;max-width:260px}.preview-stage-footer{padding:9px 13px;font-size:11px}}



/* v5: restrained, demo-first hero. One GIF only; readable HTML content remains below. */
.hero{background:radial-gradient(ellipse at 50% 28%,#edf7f6 0%,#f8fcfa 48%,#fff 90%);overflow:hidden}
.hero>.shell.hero-layout{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:30px;min-height:0;padding:54px 0 70px;text-align:center}
.hero-copy{width:100%;max-width:920px;text-align:center}
.hero h1{max-width:none;margin:0;color:#152934;font-size:clamp(35px,4.3vw,58px);line-height:1.28;letter-spacing:-.055em;font-weight:790}
.hero h1 .accent{display:inline;color:#288476}
.hero .subhead{max-width:none;font-size:16px;line-height:1.7;color:#68818a;margin:13px auto 0}
.hero .actions{margin-top:19px;justify-content:center;gap:11px}
.hero .actions .button{min-height:44px;border-radius:13px;padding:0 20px}
.hero-demo{width:100%;max-width:1090px;scroll-margin-top:100px}
.hero-demo .preview-stage{border:1px solid #d6e9e5;border-radius:26px;overflow:hidden;background:#fff;box-shadow:0 25px 70px rgba(28,88,82,.12);max-width:none}
.hero-demo .preview-screen{aspect-ratio:16/9;background:linear-gradient(135deg,#e6f3f0,#f2f8f5 42%,#eaf3fa);position:relative}
.hero-demo .preview-screen::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 75% 22%,rgba(173,220,198,.30),transparent 38%),radial-gradient(circle at 25% 84%,rgba(159,200,222,.20),transparent 43%);pointer-events:none}
.hero-demo .preview-screen::after{inset:20px;border:1.5px dashed rgba(133,178,165,.58);border-radius:15px}
.hero-demo .preview-placeholder{gap:12px;color:#678f86}
.hero-demo .preview-placeholder .demo-play-icon{width:70px;height:70px;border-radius:50%;display:grid;place-items:center;background:#ffffffcd;box-shadow:0 11px 37px rgba(39,112,97,.12);border:1px solid #fff}
.hero-demo .preview-placeholder .demo-play-icon svg{width:30px;height:30px;margin-left:4px;color:#288476;opacity:1}
.hero-demo .preview-placeholder strong{font-size:20px;color:#3d6e66}
.hero-demo .preview-placeholder span:not(.demo-play-icon){font-size:13px;color:#7c9b94}
.hero-demo .preview-main-image{width:100%;height:100%;object-fit:contain;display:block}
.hero-demo .preview-main-image[hidden],.hero-demo .preview-placeholder[hidden]{display:none}
@media(max-width:920px){.hero>.shell.hero-layout{padding:45px 0 59px;gap:26px}}
@media(max-width:650px){.hero>.shell.hero-layout{padding:39px 0 48px;gap:26px}.hero h1{font-size:clamp(32px,8vw,43px);line-height:1.32}.hero .subhead{font-size:13px;margin-top:11px;line-height:1.6}.hero .actions{margin-top:17px;gap:10px}.hero .actions .button{padding:0 15px;min-height:41px;font-size:12px}.hero-demo .preview-stage{border-radius:17px}.hero-demo .preview-screen::after{inset:9px;border-radius:9px}.hero-demo .preview-placeholder{gap:8px}.hero-demo .preview-placeholder .demo-play-icon{width:45px;height:45px}.hero-demo .preview-placeholder .demo-play-icon svg{width:23px;height:23px}.hero-demo .preview-placeholder strong{font-size:15px}.hero-demo .preview-placeholder span:not(.demo-play-icon){font-size:10px}}

/* DeskBlend brand + refined demo-first layout */
:root{--jade:#287E70;--jade-dark:#176B5B;--mint:#E7F6EF}
section[id]{scroll-margin-top:90px}
.brand-mark{background:none!important;box-shadow:none!important;overflow:visible;border-radius:12px}
.brand-mark img{display:block;width:40px;height:40px;object-fit:contain}
.eyebrow{margin-bottom:16px;font-size:12px;letter-spacing:.04em}
.eyebrow i.dot{width:7px;height:7px;display:inline-block;background:#50B98F;border-radius:50%;box-shadow:0 0 0 4px #DDF6EA}
.hero>.shell.hero-layout{gap:26px;padding:45px 0 65px}
.hero h1{font-size:clamp(38px,4.5vw,60px);margin-top:4px}
.hero h1 .accent{display:inline-block}
.hero .subhead{max-width:770px;font-size:17px;line-height:1.8;margin-top:10px}
.hero .actions{margin-top:20px}
.hero-demo .preview-stage{box-shadow:0 19px 60px rgba(27,92,73,.10)}
.feature-icon{background:#E5F4ED!important;color:#287F6C!important}
.download-block{background:#185B51}
.download-block .kicker{color:#AEEDCF}
.download-status{font-size:12px!important;opacity:.76;margin-top:10px!important}
@media(max-width:650px){.brand-mark img{width:34px;height:34px}.hero>.shell.hero-layout{padding:34px 0 43px;gap:23px}.eyebrow{font-size:11px;margin-bottom:12px}.hero h1{font-size:clamp(34px,8.5vw,46px);line-height:1.26}.hero .subhead{font-size:14px}.hero .actions{margin-top:17px}.section{padding:66px 0}}


/* v6: desktop screenshot ratio + dual-theme switch */
.theme-preview .preview-stage-bar{height:auto;min-height:54px;padding:12px 18px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.preview-stage-title{display:flex;align-items:center;gap:9px;color:#4f6f6b;font-size:13px;font-weight:700}
.theme-switch{display:inline-flex;align-items:center;gap:8px;padding:4px;border-radius:999px;background:#edf5f2;border:1px solid #d8e8e3}
.theme-chip{appearance:none;border:0;background:transparent;color:#52766f;font:600 12px/1.1 Inter,system-ui,sans-serif;padding:10px 14px;border-radius:999px;cursor:pointer;transition:background .2s ease,color .2s ease,box-shadow .2s ease}
.theme-chip:hover{background:#e3f1eb}
.theme-chip.is-active{background:#287E70;color:#fff;box-shadow:0 6px 18px rgba(40,126,112,.18)}
.preview-screen-desktop{aspect-ratio:1080/699;background:linear-gradient(135deg,#edf6f1 0%,#f6fbf9 55%,#eef5f8 100%)}
.theme-preview .preview-main-image{object-fit:contain;background:#eef5f3}
.theme-preview .preview-placeholder strong{max-width:720px}
.theme-preview .preview-placeholder span:not(.demo-play-icon){max-width:760px}
.theme-preview .preview-stage-footer{justify-content:flex-start}
@media(max-width:650px){.theme-preview .preview-stage-bar{padding:10px 12px;gap:10px}.preview-stage-title{font-size:11px}.theme-switch{gap:6px;padding:3px}.theme-chip{padding:8px 11px;font-size:11px}.preview-screen-desktop{aspect-ratio:1080/699}.theme-preview .preview-stage-footer{font-size:10px;padding:8px 12px}}

/* v7: Preserve every pixel of the real macOS screen, including the menu bar and Dock. */
.hero-demo .preview-screen.preview-screen-desktop{aspect-ratio:1080 / 699;}
.hero-demo .theme-preview .preview-main-image{
  width:100%;height:100%;object-fit:contain;object-position:center center;
}
.hero-demo .preview-stage.is-ready .preview-screen::before,
.hero-demo .preview-stage.is-ready .preview-screen::after{display:none;}

/* v4: Fit the complete demo into the first viewport; allow empty space on both sides. */
@media (min-width:651px) {
  .hero { min-height:calc(100svh - 76px); }
  .hero > .shell.hero-layout {
    min-height:calc(100svh - 76px);
    padding:14px 0 18px;
    gap:13px;
    justify-content:center;
  }
  .hero-copy { max-width:920px; }
  .hero .eyebrow { padding:6px 11px; margin-bottom:8px; }
  .hero h1 { font-size:clamp(32px,3.4vw,48px); line-height:1.15; margin:0; }
  .hero .subhead { max-width:840px; font-size:14px; line-height:1.45; margin-top:8px; }
  .hero .actions { margin-top:12px; }
  .hero .actions .button { min-height:38px; padding:0 16px; }
  .hero-demo {
    width:min(100%,960px,calc((100svh - 365px) * 1.545));
    max-width:none;
    flex:none;
  }
  .hero-demo .preview-stage { border-radius:17px; }
  .hero-demo .preview-stage-bar { min-height:43px; padding:6px 14px; }
  .hero-demo .preview-stage-footer { display:none; }
}
/* Compact smartphone layout also fits in a typical initial viewport. */
@media (max-width:650px) {
  .hero > .shell.hero-layout { min-height:calc(100svh - 66px); padding:16px 0 18px; gap:12px; justify-content:center; }
  .hero .eyebrow { display:none; }
  .hero h1 { font-size:clamp(28px,7.6vw,38px); line-height:1.17; margin:0; }
  .hero .subhead { font-size:12.5px; line-height:1.45; margin-top:8px; }
  .hero .actions { margin-top:10px; }
  .hero .actions .button { min-height:37px; padding:0 13px; }
  .hero-demo { width:100%; max-width:none; }
  .hero-demo .preview-stage { border-radius:13px; }
  .hero-demo .preview-stage-bar { min-height:38px; padding:6px 9px; justify-content:center; }
  .hero-demo .preview-stage-title { display:none; }
  .hero-demo .preview-stage-footer { display:none; }
}
@media (max-height:530px) and (min-width:651px) {
  .hero > .shell.hero-layout { min-height:0; }
  .hero-demo { width:min(100%,600px); }
}


/* v5: The introduction and the preview are independent sections.
   Only the preview (including theme controls) is fitted into one viewport. */
.hero{min-height:0!important;overflow:visible}
.hero > .shell.hero-layout{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:0!important;padding:58px 0 36px;gap:0;text-align:center;
}
.hero-copy{max-width:980px}
.hero h1{font-size:clamp(38px,4.5vw,60px);line-height:1.23}
.hero .subhead{font-size:16px;line-height:1.7}
.hero .actions{margin-top:20px}
.hero .actions .button{min-height:44px;padding:0 20px}
.demo-section{
  scroll-margin-top:76px;
  min-height:calc(100svh - 76px);
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,#f9fcfa 0%,#ffffff 100%);
}
.demo-section .demo-shell{
  display:flex;justify-content:center;align-items:center;
  padding:23px 0;
}
.demo-section .hero-demo{
  width:min(100%,1120px,calc((100svh - 76px - 122px) * 1.545));
  max-width:none;flex:none;scroll-margin-top:76px;
}
.demo-section .hero-demo .preview-stage{
  border-radius:18px;box-shadow:0 18px 52px rgba(27,92,73,.095);
}
.demo-section .hero-demo .preview-stage-bar{min-height:53px;padding:9px 18px}
.demo-section .hero-demo .preview-stage-footer{display:none}
.demo-section .preview-screen.preview-screen-desktop{aspect-ratio:1080/699}
.demo-section .preview-main-image{width:100%;height:100%;object-fit:contain;object-position:center}
@media(max-width:650px){
  .hero > .shell.hero-layout{min-height:0!important;padding:40px 0 30px;gap:0}
  .hero .eyebrow{display:inline-flex}
  .hero h1{font-size:clamp(33px,8.6vw,45px);line-height:1.22}
  .hero .subhead{font-size:13px;line-height:1.6}
  .hero .actions{margin-top:17px}
  .hero .actions .button{min-height:40px;padding:0 15px}
  .demo-section{scroll-margin-top:66px;min-height:calc(100svh - 66px)}
  .demo-section .demo-shell{padding:20px 0}
  .demo-section .hero-demo{width:100%;max-width:none}
  .demo-section .hero-demo .preview-stage-bar{min-height:42px;padding:8px 10px}
  .demo-section .hero-demo .preview-stage-title{display:none}
  .demo-section .hero-demo .preview-stage-footer{display:none}
}
@media(min-width:651px) and (max-height:540px){
  .demo-section .demo-shell{padding:12px 0}
  .demo-section .hero-demo{width:min(100%,650px,calc((100svh - 76px - 78px) * 1.545))}
  .demo-section .hero-demo .preview-stage-bar{min-height:43px;padding:5px 12px}
}

/* v8: theme-first navigation and centered theme-only preview toolbar */
.demo-section .hero-demo .preview-stage-bar{justify-content:center}
.demo-section .theme-switch{margin-inline:auto}

/* v9: native MP4 preview, seamless loop, and uncropped desktop capture. */
.demo-section .preview-screen.preview-screen-desktop{aspect-ratio:1920 / 1242}
.demo-section .preview-main-video{
  position:absolute;inset:0;width:100%;height:100%;display:block;
  object-fit:contain;object-position:center;background:#eaf2ef;
}
.demo-section .preview-main-video[hidden],
.demo-section .video-error[hidden],
.demo-section .video-resume[hidden]{display:none!important}
.demo-section .preview-stage.is-ready .preview-screen::before,
.demo-section .preview-stage.is-ready .preview-screen::after{display:none}
.demo-section .video-error{z-index:2;background:linear-gradient(135deg,#eff9f3,#e7f3f0)}
.demo-section .video-resume{
  position:absolute;z-index:3;left:50%;top:50%;transform:translate(-50%,-50%);
  border:1px solid #ffffffd8;border-radius:100px;background:#fffef5ee;
  color:#176b5b;padding:11px 20px;font-size:13px;font-weight:700;
  cursor:pointer;box-shadow:0 7px 24px #174d3c29
}


/* v11: lightweight, indexable theme summaries (no duplicated preview gallery). */
.scene-section{padding-top:76px;padding-bottom:82px;background:#fff}
.scene-intros{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;max-width:1040px;margin:auto}
.scene-intro{border:1px solid #e0ece7;border-radius:22px;padding:27px 30px;background:#f9fcfa}
.scene-ocean{background:#f8fbfd;border-color:#e1edf1}
.scene-overline{font-size:11px;letter-spacing:.14em;font-weight:780;color:#278273}
.scene-ocean .scene-overline{color:#477f99}
.scene-intro h3{margin:10px 0 10px;font-size:21px;line-height:1.45;letter-spacing:-.03em}
.scene-intro p{font-size:14px;color:#647e83;line-height:1.9;margin:0 0 15px}
.scene-intro a{color:#227b6c;font-weight:700;font-size:13px;text-decoration:underline;text-underline-offset:5px}
.scene-intro a:hover{color:#155b50}
@media(max-width:650px){.scene-section{padding:57px 0}.scene-intros{grid-template-columns:1fr;gap:13px}.scene-intro{padding:23px 22px}.scene-intro h3{font-size:19px}}

/* On narrow screens, keep theme preview prominent without a screen of empty padding. */
@media (max-width:650px) {
  .demo-section{min-height:0!important;padding:34px 0 42px}
  .demo-section .demo-shell{padding:0}
}