/* GradeUp's scroll story. All timelines use native document scrolling. */
:root{--story-navy:#06121f;--story-blue:#44b3ca;--story-bright:#78e1ed;--story-line:rgba(159,214,228,.15);--story-ease:cubic-bezier(.16,1,.3,1)}
html{scroll-padding-top:90px}
body{background:#fff}
button,a{-webkit-tap-highlight-color:transparent}
:focus-visible{outline:2px solid #44b3ca;outline-offset:6px}
.skip-link{position:fixed;left:20px;top:-80px;z-index:2000;padding:12px 20px;background:#fff;color:#06121f;border-radius:6px;font-weight:600}
.skip-link:focus{top:15px}
nav{height:78px;padding:0 max(5vw,24px);background:rgba(6,18,31,.84);border-bottom:1px solid rgba(154,215,228,.13);backdrop-filter:blur(22px);transition:height .3s,background .3s}
nav .gu-logo-text{font-size:25px;letter-spacing:-1.1px}
nav .nav-links{gap:32px}
nav .nav-links a{color:#bbcad5;font-size:12px}
nav .nav-links a:hover{color:#8ee8f3}
nav .nav-cta{display:inline-flex;align-items:center;gap:12px;border:1px solid #65c9db;background:#80d9e7;color:#062332;border-radius:6px;padding:11px 17px;font-size:12px;font-weight:700;box-shadow:0 0 28px #44b3ca14}
nav .nav-cta .arrow{position:static;transform:none;font-size:14px}
nav .nav-cta:hover{background:#a5edf4;transform:translateY(-1px)}
.story-hero{position:relative;background:var(--story-navy);color:#f3f7fa;isolation:isolate}
.hero-sticky{position:relative;min-height:830px;overflow:hidden}
.motion-ready .story-hero{height:330svh}
.motion-ready .hero-sticky{position:sticky;top:0;height:100svh;min-height:640px}
.shader-canvas,.shader-fallback,.story-grain{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.shader-fallback{background:radial-gradient(ellipse at 72% 55%,#12617a44,transparent 52%),radial-gradient(ellipse at 45% 110%,#147b873a,transparent 58%),#06121f}
.shader-canvas{opacity:.84}
.story-grain{z-index:2;opacity:.055;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' opacity='.7' filter='url(%23n)'/%3E%3C/svg%3E")}
.hero-sticky::after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,#06121f55,transparent 64%),linear-gradient(0deg,#06121f,transparent 18%)}
.hero-composition{position:relative;z-index:3;width:min(1440px,100%);height:100%;min-height:inherit;margin:auto;display:grid;grid-template-columns:47% 53%;align-items:center;padding:108px 5vw 100px;gap:0}
.hero-copy{position:relative;display:grid;align-items:center;z-index:5;min-width:0}
.hero-copy-primary,.hero-copy-secondary{grid-area:1/1;will-change:opacity,transform;max-width:100%}
.hero-copy-primary{opacity:1}
.hero-copy-secondary{opacity:0;pointer-events:none;transform:translateY(25px)}
.story-eyebrow{display:flex;align-items:center;gap:10px;font-size:9px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;line-height:1.5;color:#88ceda;margin-bottom:25px}
.story-eyebrow::before{content:'';height:5px;width:5px;border-radius:50%;background:#72d2e2;box-shadow:0 0 12px #72d2e266}
.story-hero h1,.hero-copy-secondary h2{font-size:clamp(44px,5.15vw,78px);font-weight:700;line-height:1.04;letter-spacing:-.055em;color:#f4f7fa;margin:0 0 26px;max-width:none;opacity:1;animation:none}
.story-hero h1 .teal,.hero-copy-secondary h2 .teal{color:#75d7e5;background:linear-gradient(110deg,#a0edf3,#44b3ca);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-description{font-size:14px;line-height:1.85;max-width:440px;color:#a7b8c7;font-weight:400;margin-bottom:28px}
.story-actions{display:flex;align-items:center;gap:25px}
.story-button{display:inline-flex;justify-content:center;align-items:center;gap:25px;padding:15px 21px;border:1px solid #8ddce9;background:#89dce8;color:#082332;border-radius:5px;font-size:12px;font-weight:700;text-decoration:none;transition:transform .25s,box-shadow .25s,background .25s}
.story-button svg{width:15px;height:15px;transition:transform .25s}
.story-button:hover{background:#b0f0f5;box-shadow:0 0 35px #44b3ca30;transform:translateY(-2px)}
.story-button:hover svg{transform:translateX(3px)}
.story-text-link{font-size:11px;text-decoration:none;color:#c2d0d8;display:flex;align-items:center;gap:7px;border-bottom:1px solid #9fbec344;padding:6px 0;transition:color .2s,border-color .2s}
.story-text-link:hover{color:#8ae1ec;border-color:#8ae1ec}
.hero-microcopy{display:flex;align-items:center;gap:8px;font-size:9px;letter-spacing:.03em;color:#8099aa;margin-top:27px}
.hero-microcopy svg{width:13px;height:13px;color:#64bdcf}
.hero-visual{position:relative;width:100%;height:540px;perspective:1200px;isolation:isolate}
.capability-orbit{position:absolute;inset:0;pointer-events:none;display:grid;place-items:center;opacity:.65}
.capability-orbit::before,.capability-orbit::after{content:'';position:absolute;width:90%;aspect-ratio:1;border:1px solid #5fbfd316;border-radius:50%;transform:rotateX(48deg) rotateZ(-28deg)}
.capability-orbit::after{width:115%;transform:rotateX(48deg) rotateZ(28deg);border-color:#5fbfd30c}
.capability-field{position:absolute;inset:0;transform-style:preserve-3d}
.capability-card{--cx:0px;--cy:0px;position:absolute;left:50%;top:50%;width:var(--card-width,176px);height:91px;padding:14px 14px;border:1px solid rgba(146,210,224,.2);border-radius:9px;background:linear-gradient(140deg,rgba(27,57,75,.9),rgba(9,29,44,.92));box-shadow:0 12px 35px #0002,inset 0 1px 0 #fff06;transform:translate(-50%,-50%) translate(var(--cx),var(--cy)) rotate(var(--cr,0deg));will-change:transform,opacity;backdrop-filter:blur(14px);display:flex;flex-direction:column;justify-content:center;transition:border-color .3s,background .3s}
.capability-card:hover{border-color:#7bdae6aa;background:linear-gradient(140deg,#204d60,#0d283a)}
.capability-card:nth-child(3n+2){background:linear-gradient(145deg,rgba(28,65,82,.95),rgba(11,37,52,.95))}
.capability-topline{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.capability-icon{width:19px;height:19px;color:#70d0de;stroke-width:1.4}
.capability-index{color:#829fae;font-family:monospace;font-size:8px;letter-spacing:.1em}
.capability-name{font-size:11px;font-weight:600;letter-spacing:-.03em;color:#e1ecf1;white-space:nowrap}
.capability-description{font-size:8px;color:#7998aa;line-height:1.4;margin-top:4px}
.hero-capability-caption{position:absolute;bottom:-4px;left:0;right:0;display:flex;justify-content:center;align-items:center;gap:9px;color:#88a6b8;font-size:9px;letter-spacing:.08em}
.hero-capability-caption span{width:4px;height:4px;background:#64d5b9;border-radius:50%}
.product-halo{position:absolute;inset:6% -8%;background:radial-gradient(ellipse at center,#3ed4ed30,transparent 62%);filter:blur(15px);opacity:0;pointer-events:none;will-change:opacity,transform}
.hero-package{--package-scale:1;position:absolute;left:50%;top:50%;width:270px;height:370px;transform:translate(-50%,-50%) scale(var(--package-scale));perspective:1200px;opacity:0;pointer-events:none;transform-style:preserve-3d}
.product-box{--box-depth:40px;position:relative;width:100%;height:100%;transform-style:preserve-3d;will-change:transform}
.box-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border:1px solid #94e3ec50;border-radius:5px;overflow:hidden}
.box-card{transform:translateZ(calc(var(--box-depth)/2));padding:27px;background:linear-gradient(145deg,#21485d,#102a3c 50%,#0b2334);display:flex;flex-direction:column;align-items:flex-start}
.box-brand{font-size:23px;font-weight:700;letter-spacing:-1.3px;line-height:1;color:white;display:inline-flex;align-items:flex-start;gap:2px}
.brand-arrow{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2.3;color:#8be8f3;flex-shrink:0;transform:translateY(-3px)}
.box-card .box-brand{font-size:18px;letter-spacing:-.8px;color:#d5ebf0}
.box-card .brand-arrow{width:12px;height:12px}
.box-every{margin-top:auto;margin-bottom:auto;font-size:42px;font-weight:600;letter-spacing:-2.5px;line-height:1.08;position:relative}
.box-every span{display:block;color:#8fe4ef}
.box-card-footer{width:100%;border-top:1px solid #88cddd22;padding-top:17px;display:flex;justify-content:space-between;align-items:center;font-size:9px;color:#aec7d1}
.box-card-footer svg{width:16px;height:16px;stroke:#81d9e7;fill:none;stroke-width:1.5}
.box-cover{transform:rotateY(180deg) translateZ(calc(var(--box-depth)/2));background:radial-gradient(ellipse at 0 0,#a3eef28f,transparent 48%),linear-gradient(145deg,#55c5d7,#238eb1 52%,#11557e);padding:31px 25px;display:flex;flex-direction:column;box-shadow:inset 1px 1px 1px #ffffff60,inset -1px -1px 2px #042b4d77}
.box-cover::before{content:'';position:absolute;inset:0;background:linear-gradient(110deg,transparent 34%,#fff1 49%,transparent 63%);pointer-events:none}
.box-cover .box-brand{font-size:36px;letter-spacing:-1.8px}
.box-cover .brand-arrow{width:23px;height:23px;color:#baf6fa}
.box-edition{font-size:7px;letter-spacing:.18em;color:#ceeff7;font-weight:600;margin-top:12px;text-transform:uppercase}
.box-cover-title{margin-top:auto;font-size:22px;line-height:1.23;letter-spacing:-.9px;font-weight:500;color:white;position:relative}
.box-cover-footer{margin-top:22px;border-top:1px solid #a7edee50;padding-top:12px;font-size:7px;letter-spacing:.09em;color:#d1f1f3;display:flex;justify-content:space-between}
.box-waves{position:absolute;left:-40%;top:20%;width:180%;height:80%;fill:none;stroke:#c0f3f528;stroke-width:.65;pointer-events:none}
.box-side{position:absolute;top:0;left:50%;width:var(--box-depth);height:100%;margin-left:calc(var(--box-depth)/-2);transform:rotateY(90deg) translateZ(135px);background:linear-gradient(90deg,#106282,#338eac);border:1px solid #8bdce74a;backface-visibility:hidden;display:flex;align-items:center;justify-content:center}
.box-side span{writing-mode:vertical-rl;font-size:13px;font-weight:600;letter-spacing:-.3px;color:#b7edf4;transform:rotate(180deg)}
.box-side-left{transform:rotateY(-90deg) translateZ(135px);background:linear-gradient(90deg,#114d70,#2586a4)}
.box-top,.box-bottom{position:absolute;top:50%;left:0;width:100%;height:var(--box-depth);margin-top:calc(var(--box-depth)/-2);background:linear-gradient(90deg,#3ca5bd,#72d4dc);backface-visibility:hidden;transform:rotateX(90deg) translateZ(185px);border:1px solid #b1eefb44}
.box-bottom{transform:rotateX(-90deg) translateZ(185px);background:#0c5472}
.hero-scroll-footer{position:absolute;bottom:28px;left:5vw;right:5vw;z-index:5;display:flex;align-items:center;justify-content:space-between;border-top:1px solid #9cced51c;padding-top:20px}
.scroll-invitation{display:flex;align-items:center;gap:10px;color:#98aebe;font-size:9px;letter-spacing:.03em;text-decoration:none}
.scroll-invitation svg{width:20px;height:20px;border:1px solid #a6d9e83b;border-radius:50%;padding:4px;stroke:#8ad8e7;fill:none;animation:scroll-nudge 2.5s ease-in-out infinite}
.hero-chapters{display:flex;align-items:center;gap:12px;font-size:9px;color:#7897a8}
.hero-chapters b{color:#8fdae6;font-size:10px;font-weight:500}
.hero-timeline{height:1px;width:100px;background:#a5dbe421;overflow:hidden}
.hero-timeline span{display:block;width:100%;height:100%;background:#86d9e6;transform:scaleX(0);transform-origin:left}
@keyframes scroll-nudge{0%,70%,100%{transform:translateY(0)}80%{transform:translateY(3px)}}
@keyframes story-enter{from{opacity:0;transform:translateY(20px);filter:blur(5px)}to{opacity:1;transform:none;filter:blur(0)}}
.hero-copy-primary .story-eyebrow{animation:story-enter .8s .05s both}
.hero-copy-primary h1{animation:story-enter 1s .12s both}
.hero-copy-primary .hero-description{animation:story-enter 1s .23s both}
.hero-copy-primary .story-actions,.hero-copy-primary .hero-microcopy{animation:story-enter 1s .32s both}

/* The six product chapters pin together and release naturally on the last one. */
.product-walkthrough{position:relative;background:#091725;color:#edf4f8;border-top:1px solid #a8d6df14}
.walkthrough-sticky{position:relative;padding:100px 5vw 70px;max-width:1600px;margin:auto}
.walkthrough-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}
.walkthrough-head .story-eyebrow{margin:0}
.walkthrough-overline{font-size:9px;color:#6f8d9f;letter-spacing:.1em;text-transform:uppercase}
.walkthrough-layout{display:grid;grid-template-columns:40% 60%;align-items:center;gap:0}
.walkthrough-copy{padding-right:65px;min-width:0}
.walkthrough-title{font-size:clamp(31px,3vw,45px);line-height:1.1;letter-spacing:-.055em;font-weight:600;margin-bottom:30px}
.walkthrough-title em{font-weight:400;font-style:normal;color:#7bc7d7}
.chapter-copies{position:relative;display:grid;min-height:153px}
.chapter-copy{grid-area:1/1;opacity:0;transform:translateY(20px);transition:opacity .45s,transform .6s var(--story-ease);pointer-events:none}
.chapter-copy.active{opacity:1;transform:none;pointer-events:auto}
.chapter-label{font-size:10px;letter-spacing:.02em;font-weight:600;color:#d6e7ee;margin-bottom:12px;display:flex;gap:14px;align-items:center}
.chapter-label span{font-family:monospace;color:#6fc9d9;font-size:10px}
.chapter-copy p{font-size:13px;color:#94adbe;line-height:1.85;max-width:370px;font-weight:400}
.chapter-navigation{display:grid;gap:0;margin-top:25px;border-top:1px solid #a8d6df1a;max-width:350px}
.chapter-button{position:relative;font-family:inherit;display:flex;gap:12px;align-items:center;text-align:left;border:0;border-bottom:1px solid #a8d6df12;background:transparent;color:#7f9aab;font-size:10px;padding:11px 0;cursor:pointer;transition:color .3s,padding .3s;min-height:38px}
.chapter-button::before{content:'';width:4px;height:4px;border:1px solid #6a8799;border-radius:50%;transition:background .3s,box-shadow .3s}
.chapter-button.active{color:#d9f3f7;padding-left:5px}
.chapter-button.active::before{background:#83dfed;border-color:#83dfed;box-shadow:0 0 10px #83dfed88}
.chapter-button:hover{color:#a0e6ef}
.chapter-button .chapter-number{margin-left:auto;font-family:monospace;font-size:8px;color:#6b8e9f}
.chapter-button .chapter-button-progress{position:absolute;bottom:-1px;left:0;height:1px;width:100%;background:#74d9e8;transform:scaleX(0);transform-origin:left}
.product-preview{border:1px solid #c0e4ed28;box-shadow:0 40px 90px #0003,0 0 85px #369fba0a;border-radius:12px;background:linear-gradient(135deg,#153042,#0d2334 55%,#0b1f31);position:relative;overflow:hidden;min-width:0}
.preview-bar{height:43px;border-bottom:1px solid #c0e4ed1a;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 17px;background:#0b1e2d;font-size:9px;color:#87a2b3}
.preview-bar .box-brand{font-size:13px;letter-spacing:-.7px}
.preview-bar .brand-arrow{width:9px;height:9px;transform:translateY(-1px)}
.preview-breadcrumb{font-size:9px;display:flex;align-items:center;gap:9px;margin-right:auto}
.preview-breadcrumb span{color:#4f7287}
.preview-badge{font-size:7px;border:1px solid #9fd4df26;padding:4px 7px;border-radius:4px;letter-spacing:.04em;white-space:nowrap}
.product-panels{position:relative;height:510px;background-image:radial-gradient(#99d8e00c .8px,transparent .8px);background-size:18px 18px}
.product-panel{position:relative;padding:25px;display:grid;place-items:center;gap:15px;margin:0}
.product-panel img{display:block;max-width:100%;max-height:455px;width:auto;height:auto;border-radius:9px;box-shadow:0 15px 38px #0003}
.product-panel figcaption{color:#a7bdc9;font-size:13px;line-height:1.8}
.product-panel figcaption strong{display:block;color:#e3f0f4;margin-bottom:5px}
.preview-bottom{display:flex;align-items:center;justify-content:space-between;padding:13px 18px;border-top:1px solid #afdce419;color:#7898aa;font-size:8px;letter-spacing:.02em}
.preview-bottom span:first-child{display:flex;align-items:center;gap:7px}
.preview-bottom i{width:4px;height:4px;background:#73c8be;border-radius:50%}
.walkthrough-footer{display:flex;align-items:center;justify-content:space-between;margin-top:29px;font-size:9px;color:#7291a4}
.walkthrough-footer a{color:#b6d5df;text-decoration:none;border-bottom:1px solid #a7ced33a;padding-bottom:4px}
.motion-ready .product-walkthrough{height:470svh}
.motion-ready .walkthrough-sticky{position:sticky;top:0;height:100svh;min-height:720px;display:flex;flex-direction:column;justify-content:center}
.motion-ready .product-panel{position:absolute;inset:0;opacity:0;transform:translateY(35px) scale(.97);filter:blur(5px);transition:opacity .45s,transform .7s var(--story-ease),filter .6s;pointer-events:none;will-change:opacity,transform}
.motion-ready .product-panel.active{opacity:1;transform:none;filter:none;pointer-events:auto}
.motion-ready .product-panel figcaption{display:none}
.motion-ready .product-panels{height:min(60svh,570px)}
.motion-ready .product-panel img{max-height:100%;max-width:100%;object-fit:contain;min-height:0}

/* A printed sheet: shared jagged seams, paper backs, curling fragments and fibres. */
.breakthrough{position:relative;background:#071523;color:#edf4f8;isolation:isolate}
.breakthrough-sticky{position:relative;min-height:800px;overflow:hidden;padding:105px 5vw 70px;display:flex;flex-direction:column;align-items:center}
.motion-ready .breakthrough{height:260svh}
.motion-ready .breakthrough-sticky{position:sticky;top:0;height:100svh;min-height:680px}
.breakthrough-sticky::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 70%,#1a4c6230,transparent 58%),linear-gradient(#091725,#06121f);pointer-events:none}
.breakthrough-heading{position:relative;text-align:center;z-index:8;display:grid;width:100%;pointer-events:none}
.tear-copy{grid-area:1/1;max-width:700px;margin:auto;will-change:transform,opacity}
.tear-copy h2{font-size:clamp(40px,5.5vw,76px);font-weight:600;line-height:1.08;letter-spacing:-.06em;color:#f3f7fa;margin:0 0 16px}
.tear-copy h2 span{color:#79d7e5}
.tear-copy p{font-size:13px;color:#9fb5c4;line-height:1.7;max-width:510px;margin:auto}
.tear-copy-new{opacity:0;transform:translateY(20px)}
.tear-copy-new p{max-width:430px}
.tear-copy-new strong{font-weight:600;color:#cee4eb}
.breakthrough-eyebrow{position:relative;z-index:5;font-size:8px;letter-spacing:.18em;color:#6e9eb2;text-transform:uppercase;margin-bottom:20px}
.paper-stage{position:absolute;left:50%;top:58%;width:min(1080px,86vw);height:min(430px,49svh);transform:translate(-50%,-50%);perspective:1100px;isolation:isolate}
.paper-assembly{position:absolute;inset:0;z-index:4;perspective:1000px;pointer-events:none}
.paper-intact{position:absolute;inset:0;box-shadow:0 18px 55px #0005;will-change:opacity}
.paper-shard{position:absolute;inset:0;transform-origin:var(--origin,50% 50%);will-change:transform,opacity;filter:drop-shadow(0 5px 4px #0004);transform-style:preserve-3d}
.paper-shape{position:absolute;inset:0;clip-path:var(--cut);background:#f2f1ec;overflow:hidden;backface-visibility:hidden}
.paper-print{position:absolute;inset:0;padding:11px;background:#f8f8f5;display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:10px;box-shadow:inset 0 0 35px #263b4b0c}
.paper-print img{width:100%;height:100%;object-fit:cover;object-position:top;min-width:0;filter:saturate(.6)}
.paper-shape::after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(var(--shade-angle,120deg),transparent 35%,#07162522 76%,#fff9 100%);opacity:var(--curl,0)}
.paper-back{transform:rotateY(180deg);clip-path:var(--back-cut);background:#e2e0d8;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cfilter id='p'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.45' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' opacity='.12' filter='url(%23p)'/%3E%3C/svg%3E")}
.paper-fibres{position:absolute;inset:0;width:100%;height:100%;overflow:visible;opacity:var(--fibres,0);pointer-events:none}
.paper-fibres path{fill:none;stroke:#f8f5e8;stroke-width:2.4;vector-effect:non-scaling-stroke}
.paper-fibres path:last-child{stroke:#bfc7c7;stroke-width:.7;stroke-dasharray:1 3}
.rupture-package{position:absolute;width:270px;height:370px;left:50%;top:50%;margin:-185px 0 0 -135px;z-index:3;perspective:1200px;transform:scale(.6);will-change:transform,opacity}
.rupture-package .product-box{transform:rotateX(7deg) rotateY(-162deg) rotateZ(-6deg)}
.rupture-glow{position:absolute;inset:-20%;z-index:1;background:radial-gradient(ellipse,#5bddf44a,transparent 53%);filter:blur(25px);opacity:0;will-change:opacity,transform}
.smoke-cloud{position:absolute;left:50%;top:55%;width:65%;height:75%;border-radius:50%;z-index:2;opacity:0;pointer-events:none;filter:blur(30px);mix-blend-mode:screen;background:radial-gradient(ellipse at 30% 50%,#94d8df38,transparent 48%),radial-gradient(ellipse at 65% 40%,#72b4c64a,transparent 45%),radial-gradient(ellipse at 45% 70%,#b5dfe327,transparent 40%);will-change:transform,opacity}
.smoke-cloud:nth-of-type(2){width:80%;height:70%;filter:blur(40px)}
.paper-scrap{position:absolute;left:50%;top:50%;width:17px;height:35px;z-index:5;background:linear-gradient(100deg,#fcfaf1,#b1b9bb);clip-path:polygon(15% 0,80% 10%,93% 35%,70% 48%,100% 80%,23% 100%,0 65%);opacity:0;pointer-events:none;will-change:transform,opacity}
.breakthrough-caption{position:absolute;bottom:30px;left:5vw;right:5vw;z-index:8;display:flex;justify-content:space-between;align-items:center;border-top:1px solid #acdce51a;padding-top:18px;font-size:9px;color:#7296a9}
.breakthrough-caption a{font-size:10px;color:#b8e7ed;text-decoration:none;display:flex;gap:14px;align-items:center}
.breakthrough-caption a svg{width:19px;height:19px;flex-shrink:0}
.change-explanation{padding:75px max(5vw,24px);display:grid;grid-template-columns:1fr 1.5fr;gap:9vw;max-width:1440px;margin:auto;background:#fff}
.change-explanation h3{font-size:27px;letter-spacing:-1.1px;line-height:1.3;font-weight:600;color:#102637}
.change-explanation p{font-size:14px;color:#657581;line-height:1.9;font-weight:400}
.change-explanation strong{font-weight:600;color:#2d5568}

/* Connect the retained content to the new visual language. */
.features-bg{background:#091725}
.features{padding:95px 5vw 100px;border-radius:24px 24px 0 0;position:relative;z-index:4}
.feat-h2{font-weight:650;letter-spacing:-.055em}
.feat-sub,.b-body,.b-big-label{color:#657581;font-weight:400}
.b-card{border-radius:10px;background:linear-gradient(140deg,#f6f8f9,#edf2f4);border-color:#15384a0c}
.b-card:hover{box-shadow:0 12px 35px #216e8310}
.b-tag{font-size:9px;letter-spacing:.14em}
.b-title{font-weight:650}
.section-eyebrow{font-size:9px;letter-spacing:.17em}
#why-gradeup{scroll-margin-top:50px}
#why-gradeup .frag-col.new{transform:none!important;background:linear-gradient(135deg,#122e40,#081a29);padding:32px;border-radius:12px}
#why-gradeup .unify-top-grid{gap:6vw;align-items:center;margin-bottom:85px}
.everything-sub{color:#657581;font-weight:400}
.fag-desc{color:#657581;font-weight:400}
.fag-item{background:#f5f8f9;border-radius:9px}
.mobile-nav-overlay{background:#06121f}
.mobile-nav-links a{color:#e7f3f8}

@media(min-width:1600px){.hero-composition{padding-left:65px;padding-right:65px}.capability-card{height:100px}.hero-visual{height:580px}}
@media(max-width:1200px){.hero-composition{padding-left:4vw;padding-right:4vw;grid-template-columns:46% 54%}.capability-card{height:83px;padding:12px}.capability-name{font-size:10px}.hero-description{font-size:13px;padding-right:20px}.hero-visual{height:510px}.walkthrough-copy{padding-right:35px}.walkthrough-title{font-size:34px}.chapter-copy p{font-size:12px}.chapter-navigation{margin-top:15px}.product-panels{height:440px}.story-actions{gap:18px}.story-text-link{font-size:10px}}
@media(max-width:960px) and (min-width:821px){.hero-composition{grid-template-columns:46% 54%;padding-left:3vw;padding-right:3vw}.story-hero h1,.hero-copy-secondary h2{font-size:48px}.capability-card{padding:11px 9px;height:78px}.capability-name{font-size:9px}.capability-description{font-size:7px}.hero-visual{height:470px}.story-text-link{display:none}.walkthrough-title{font-size:30px}.walkthrough-copy{padding-right:25px}.walkthrough-layout{grid-template-columns:42% 58%}.chapter-copy p{font-size:11px}.preview-breadcrumb{display:none}}
@media(max-width:820px){
  html{scroll-padding-top:74px}
  nav{height:62px;padding:0 20px}nav .gu-logo-text{font-size:23px}nav .nav-cta{display:none}
  .hero-sticky{min-height:850px}
  .motion-ready .story-hero{height:300svh}
  .motion-ready .hero-sticky{min-height:650px;height:100svh}
  .hero-composition{display:flex;flex-direction:column;align-items:stretch;justify-content:center;padding:92px 24px 66px;gap:18px;max-width:600px;min-height:inherit}
  .hero-copy{min-height:290px;flex-shrink:0}
  .hero-copy-primary,.hero-copy-secondary{max-width:100%}
  .story-eyebrow{font-size:8px;margin-bottom:17px;letter-spacing:.15em}
  .story-hero h1,.hero-copy-secondary h2{font-size:clamp(40px,8vw,58px);line-height:1.03;letter-spacing:-.06em;margin-bottom:17px}
  .hero-description{font-size:12px;line-height:1.75;max-width:440px;padding:0;margin-bottom:18px}
  .story-button{font-size:10px;padding:12px 16px;gap:24px}
  .story-actions{gap:22px}
  .story-text-link{font-size:10px}
  .hero-microcopy{font-size:8px;margin-top:15px}
  .hero-visual{height:280px;min-height:235px;max-height:340px;flex:1}
  .capability-card{height:61px;padding:9px 10px;border-radius:6px}
  .capability-topline{margin-bottom:7px}.capability-icon{width:15px;height:15px}.capability-index{font-size:6px}
  .capability-name{font-size:9px}.capability-description{display:none}
  .hero-capability-caption{bottom:-8px;font-size:7px;gap:6px}
  .hero-package{--package-scale:.65;width:270px;height:370px}
  .hero-scroll-footer{bottom:18px;left:24px;right:24px;padding-top:13px}
  .scroll-invitation{font-size:8px;gap:8px}.scroll-invitation svg{width:17px;height:17px}
  .hero-chapters{font-size:8px;gap:8px}.hero-timeline{width:45px}
  .walkthrough-sticky{padding:85px 24px 32px}
  .motion-ready .product-walkthrough{height:430svh}
  .motion-ready .walkthrough-sticky{min-height:650px;height:100svh;justify-content:center}
  .walkthrough-head{margin-bottom:20px}.walkthrough-overline{font-size:7px;letter-spacing:.04em}
  .walkthrough-layout{grid-template-columns:1fr;gap:20px;flex:0}
  .walkthrough-copy{padding:0}
  .walkthrough-title{font-size:clamp(28px,6.3vw,39px);margin-bottom:18px;line-height:1.09}
  .chapter-copies{min-height:96px}.chapter-label{font-size:10px;margin-bottom:7px}.chapter-copy p{font-size:11px;line-height:1.7;max-width:520px}
  .chapter-navigation{display:flex;gap:7px;max-width:none;margin-top:15px;border:0}
  .chapter-button{padding:8px 0;justify-content:center;flex:1;min-height:30px;gap:6px;border-bottom:2px solid #a8d6df20;font-size:9px}
  .chapter-button.active{padding-left:0;border-color:#7acee0;color:#dbf8fb}
  .chapter-button::before{display:none}.chapter-button .chapter-button-name{display:none}.chapter-button .chapter-number{margin:0;font-size:9px}
  .chapter-button .chapter-button-progress{bottom:-2px;height:2px}
  .preview-bar{height:35px;padding:0 12px}.preview-breadcrumb{font-size:8px}.preview-badge{font-size:6px}
  .motion-ready .product-panels{height:clamp(240px,36svh,400px)}
  .product-panel{padding:15px}.product-panel img{border-radius:6px}
  .preview-bottom{padding:9px 12px;font-size:7px}
  .walkthrough-footer{font-size:8px;margin-top:20px}
  .motion-ready .breakthrough{height:230svh}
  .motion-ready .breakthrough-sticky{min-height:650px;height:100svh;padding:105px 24px 65px}
  .breakthrough-eyebrow{font-size:7px;margin-bottom:18px}
  .tear-copy h2{font-size:clamp(38px,9.5vw,60px);margin-bottom:15px}
  .tear-copy p{font-size:12px;max-width:350px}
  .paper-stage{width:130vw;height:min(340px,40svh);top:61%}
  .paper-print{padding:7px;gap:7px}
  .rupture-package{scale:.75}
  .breakthrough-caption{left:24px;right:24px;bottom:25px;font-size:8px;gap:15px}
  .breakthrough-caption a{font-size:9px;gap:8px}
  .change-explanation{grid-template-columns:1fr;padding:50px 24px;gap:22px}
  .change-explanation h3{font-size:25px;max-width:340px}.change-explanation p{font-size:13px}
  .features{padding:65px 24px}.feat-h2{font-size:39px}.feat-sub{font-size:13px}
  #why-gradeup .unify{padding:65px 24px}#why-gradeup .unify-top-grid{gap:35px;margin-bottom:55px}
}
@media(max-width:400px){.hero-composition{padding-left:20px;padding-right:20px;gap:14px}.hero-copy{min-height:290px}.hero-description{font-size:11px}.story-hero h1,.hero-copy-secondary h2{font-size:39px}.capability-name{font-size:8px}.capability-card{padding:8px;height:57px}.hero-microcopy{font-size:7px}.hero-scroll-footer{left:20px;right:20px}.hero-chapters{font-size:7px}.walkthrough-sticky{padding-left:20px;padding-right:20px}.walkthrough-title{font-size:28px}.chapter-copies{min-height:105px}.chapter-copy p{font-size:10.5px}.walkthrough-layout{gap:15px}.walkthrough-footer{font-size:7px}}
@media(max-height:760px) and (min-width:821px){.hero-composition{padding-top:105px;padding-bottom:85px}.hero-visual{height:450px}.capability-card{height:79px}.hero-microcopy{margin-top:18px}.motion-ready .walkthrough-sticky{min-height:640px;padding-top:100px;padding-bottom:35px}.walkthrough-head{margin-bottom:20px}.chapter-navigation{margin-top:10px}.chapter-button{min-height:33px;padding:8px 0}.walkthrough-title{margin-bottom:20px}.motion-ready .product-panels{height:56svh}.walkthrough-footer{margin-top:20px}.motion-ready .breakthrough-sticky{min-height:640px;padding-top:100px}.tear-copy h2{font-size:58px}.paper-stage{top:61%;height:43svh}.rupture-package{scale:.8}}
@media(max-height:740px) and (max-width:820px){.hero-composition{padding-top:80px;padding-bottom:56px;gap:12px}.hero-copy{min-height:265px}.story-hero h1,.hero-copy-secondary h2{font-size:37px}.story-eyebrow{margin-bottom:13px}.hero-description{font-size:10.5px;line-height:1.65;margin-bottom:14px}.hero-microcopy{margin-top:12px}.hero-visual{height:230px;min-height:210px}.capability-card{height:52px;padding:7px 8px}.capability-topline{margin-bottom:4px}.capability-icon{width:13px;height:13px}.capability-name{font-size:8px}.hero-capability-caption{bottom:-3px}.motion-ready .hero-sticky{min-height:620px}.motion-ready .walkthrough-sticky{min-height:620px;padding-top:80px;padding-bottom:25px}.walkthrough-title{font-size:26px;margin-bottom:13px}.walkthrough-head{margin-bottom:15px}.walkthrough-layout{gap:15px}.chapter-copies{min-height:95px}.chapter-navigation{margin-top:7px}.motion-ready .product-panels{height:240px}.walkthrough-footer{margin-top:13px}.motion-ready .breakthrough-sticky{min-height:620px;padding-top:90px}.tear-copy h2{font-size:38px}.tear-copy p{font-size:11px}.paper-stage{height:270px;top:62%}.rupture-package{scale:.64}}

/* Full, sequential content when JavaScript is unavailable. */
html:not(.motion-ready) .hero-visual{margin:35px 0;height:auto}
html:not(.motion-ready) .capability-field{position:relative;inset:auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;list-style:none}
html:not(.motion-ready) .capability-card{position:relative;top:auto;left:auto;transform:none!important;width:auto;height:90px;opacity:1!important}
html:not(.motion-ready) .hero-package,html:not(.motion-ready) .hero-copy-secondary,html:not(.motion-ready) .hero-scroll-footer{display:none}
html:not(.motion-ready) .hero-capability-caption{bottom:-25px}
html:not(.motion-ready) .product-panels{height:auto}
html:not(.motion-ready) .walkthrough-copy{display:block;padding:0}
html:not(.motion-ready) .chapter-copies,html:not(.motion-ready) .chapter-navigation{display:none}
html:not(.motion-ready) .walkthrough-layout{display:block}
html:not(.motion-ready) .walkthrough-footer{display:none}
@media(prefers-reduced-motion:reduce){html:not(.motion-ready) *,html:not(.motion-ready) *::before,html:not(.motion-ready) *::after{animation:none!important;transition:none!important}}

/* Short desktop windows keep the story: the scene fits the available viewport. */
@media(max-height:600px){
  .motion-ready .hero-sticky,.motion-ready .walkthrough-sticky,.motion-ready .breakthrough-sticky{height:100svh;min-height:0}
  .motion-ready .hero-composition{min-height:0;padding:80px 4vw 48px;gap:0;display:grid;grid-template-columns:47% 53%;max-width:1440px}
  .motion-ready .hero-copy{min-height:0}
  .motion-ready .story-eyebrow{font-size:7px;margin-bottom:10px}
  .motion-ready .story-hero h1,.motion-ready .hero-copy-secondary h2{font-size:clamp(28px,7.5svh,43px);letter-spacing:-.05em;margin-bottom:14px}
  .motion-ready .hero-description{font-size:10px;line-height:1.65;margin-bottom:12px;padding-right:20px;max-width:390px}
  .motion-ready .story-button{padding:10px 14px;font-size:9px;gap:16px}
  .motion-ready .story-text-link{font-size:8px}
  .motion-ready .hero-microcopy{margin-top:12px;font-size:7px}
  .motion-ready .hero-visual{height:calc(100svh - 135px);min-height:0;max-height:420px}
  .motion-ready .capability-card{height:calc((100svh - 160px)/4);max-height:83px;padding:8px}
  .motion-ready .capability-topline{margin-bottom:5px}
  .motion-ready .capability-icon{width:14px;height:14px}
  .motion-ready .capability-name{font-size:9px}
  .motion-ready .capability-description{display:none}
  .motion-ready .hero-package{--package-scale:.6}
  .motion-ready .hero-capability-caption{font-size:7px;bottom:-5px}
  .motion-ready .hero-scroll-footer{bottom:13px;padding-top:10px}
  .motion-ready .scroll-invitation,.motion-ready .hero-chapters{font-size:7px}
  .motion-ready .walkthrough-sticky{padding:78px 4vw 22px;justify-content:center}
  .motion-ready .walkthrough-head{margin-bottom:12px}
  .motion-ready .walkthrough-head .story-eyebrow{margin-bottom:0}
  .motion-ready .walkthrough-overline{font-size:7px}
  .motion-ready .walkthrough-layout{grid-template-columns:40% 60%;gap:0}
  .motion-ready .walkthrough-copy{padding-right:30px}
  .motion-ready .walkthrough-title{font-size:clamp(21px,4.8svh,28px);margin-bottom:14px}
  .motion-ready .chapter-copies{min-height:82px}
  .motion-ready .chapter-label{font-size:9px;margin-bottom:7px}
  .motion-ready .chapter-copy p{font-size:10px;line-height:1.6}
  .motion-ready .chapter-navigation{display:flex;gap:6px;margin-top:8px;border:0;max-width:300px}
  .motion-ready .chapter-button{padding:7px 0;min-height:30px;flex:1;justify-content:center;border-bottom:1px solid #a8d6df20}
  .motion-ready .chapter-button::before,.motion-ready .chapter-button-name{display:none}
  .motion-ready .chapter-number{margin:0}
  .motion-ready .product-panels{height:calc(100svh - 210px);min-height:145px}
  .motion-ready .preview-bar{height:30px}
  .motion-ready .preview-bottom{padding:8px 12px;font-size:7px}
  .motion-ready .walkthrough-footer{font-size:7px;margin-top:12px}
  .motion-ready .breakthrough-sticky{padding:82px 24px 45px}
  .motion-ready .breakthrough-eyebrow{font-size:7px;margin-bottom:12px}
  .motion-ready .tear-copy h2{font-size:clamp(30px,7.5svh,43px);margin-bottom:10px}
  .motion-ready .tear-copy p{font-size:10px;max-width:430px}
  .motion-ready .paper-stage{top:65%;height:40svh;width:min(1000px,88vw)}
  .motion-ready .rupture-package{scale:.5}
  .motion-ready .breakthrough-caption{bottom:15px;padding-top:10px;font-size:7px}
}
@media(max-height:600px) and (max-width:820px) and (min-width:600px){
  .motion-ready .story-text-link,.motion-ready .hero-microcopy{display:none}
  .motion-ready .capability-name{font-size:8px}
  .motion-ready .walkthrough-title{font-size:21px}
  .motion-ready .chapter-copy p{font-size:9px}
  .motion-ready .preview-breadcrumb{display:none}
}
@media(max-height:600px) and (max-width:599px){
  .motion-ready .hero-composition{display:flex;padding:76px 18px 45px;gap:12px;justify-content:center}
  .motion-ready .hero-copy{min-height:0}
  .motion-ready .story-hero h1,.motion-ready .hero-copy-secondary h2{font-size:28px;margin-bottom:10px}
  .motion-ready .story-eyebrow{font-size:6px;margin-bottom:8px}
  .motion-ready .hero-description{font-size:9px;line-height:1.5;padding:0;margin-bottom:10px}
  .motion-ready .hero-microcopy{display:none}
  .motion-ready .hero-visual{height:160px;max-height:180px;min-height:125px;flex:1}
  .motion-ready .capability-card{height:36px;padding:4px 6px}
  .motion-ready .capability-topline{margin-bottom:3px}
  .motion-ready .capability-icon{width:10px;height:10px}
  .motion-ready .capability-index{font-size:5px}
  .motion-ready .capability-name{font-size:7px}
  .motion-ready .hero-package{--package-scale:.39}
  .motion-ready .hero-capability-caption{display:none}
  .motion-ready .walkthrough-sticky{padding:78px 18px 20px}
  .motion-ready .walkthrough-layout{grid-template-columns:1fr;gap:10px}
  .motion-ready .walkthrough-title{font-size:22px;margin-bottom:10px}
  .motion-ready .walkthrough-copy{padding:0}
  .motion-ready .chapter-copies{min-height:65px}
  .motion-ready .chapter-label{font-size:8px;margin-bottom:5px}
  .motion-ready .chapter-copy p{font-size:9px}
  .motion-ready .chapter-navigation{margin-top:5px;max-width:none}
  .motion-ready .product-panels{height:calc(100svh - 350px);min-height:95px}
  .motion-ready .walkthrough-overline{display:none}
  .motion-ready .walkthrough-footer{margin-top:10px}
  .motion-ready .paper-stage{top:67%;width:130vw}
  .motion-ready .rupture-package{scale:.4}
}