/* Riffumi use-case explorer — selected Flow identity, varied creative treatments. */
.usecase-section{background:#f2efe8;border-bottom:1px solid var(--line);padding-block:92px 70px}
.uc-heading{display:grid;grid-template-columns:1.4fr 1fr;align-items:end;gap:65px;margin-bottom:36px}
.uc-heading h2{margin-top:15px;font-size:clamp(33px,3.7vw,51px);letter-spacing:-.055em;line-height:1.16}
.uc-heading h2>span{color:var(--coral-dark)}
.uc-heading>p{font-size:14px;color:#62665f;line-height:1.8;max-width:370px;margin-bottom:2px}
.uc-explorer{border:1px solid #d9d5cc;border-radius:12px;background:var(--paper);overflow:hidden}
.uc-tabs{display:grid;grid-template-columns:repeat(6,1fr);border-bottom:1px solid #d9d5cc}
.uc-tabs>button{background:transparent;text-align:left;padding:19px 15px 17px;font-size:12px;font-weight:800;line-height:1.45;border-right:1px solid #e5e1da;position:relative;min-height:85px}
.uc-tabs>button:last-child{border-right:0}.uc-tabs>button>span{display:block;font-size:10px;letter-spacing:1px;color:var(--muted);font-weight:500;margin-bottom:7px}
.uc-tabs>button:hover{background:#f2efe8}.uc-tabs>button[aria-selected=true]{background:var(--ink);color:var(--paper)}
.uc-tabs>button[aria-selected=true]>span{color:#ff9f8e}.uc-tabs>button[aria-selected=true]:after{content:'';position:absolute;height:3px;background:var(--coral);left:15px;right:15px;bottom:0}
.uc-tabs>button:focus-visible{outline-offset:-5px;outline-color:#2563eb;z-index:2}
.uc-panel{display:grid;grid-template-columns:1.2fr 1fr;min-height:546px;outline-offset:-5px!important}
.uc-stage{background:#0d121d;display:flex;flex-direction:column;min-width:0;position:relative;isolation:isolate;margin:20px;border-radius:7px;overflow:hidden}
.uc-stage-meta,.uc-stage-bottom{display:flex;justify-content:space-between;align-items:center;color:#d3d6de;padding:13px 17px;font-size:9px;letter-spacing:1.1px;line-height:1.5;gap:14px;z-index:2;font-weight:700}
.uc-stage-meta{border-bottom:1px solid #ffffff20}.uc-stage-meta>span:first-child{color:#ff9f8e}
.uc-stage-bottom{border-top:1px solid #ffffff20;letter-spacing:.65px;font-size:8px;padding-block:12px}.uc-frame-marks{letter-spacing:4px;color:#f86146;white-space:nowrap}
.uc-art{flex:1;position:relative;min-height:370px;overflow:hidden}.uc-art>img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover}
.uc-photo-shade{position:absolute;inset:0;background:linear-gradient(180deg,#0d121d55,transparent 60%,#0d121d88)}
.uc-brief{padding:33px 30px 28px 12px;display:flex;flex-direction:column;justify-content:center}
.uc-overline{font-size:10px;letter-spacing:1.4px;font-weight:800;text-transform:uppercase;color:var(--coral-dark)}
.uc-brief h3{font-size:clamp(22px,2.2vw,31px);letter-spacing:-.055em;line-height:1.25;margin-top:11px;max-width:360px}
.uc-description{font-size:13px;line-height:1.8;color:#62665f;margin-top:15px;max-width:370px}
.uc-destinations{margin-top:22px}.uc-small-label{font-size:9px;letter-spacing:1px;font-weight:800;color:#63675f;line-height:1.5}
.uc-destinations>div{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}
.uc-destinations>div>span{font-size:11px;line-height:1.4;border:1px solid #d9d5cc;border-radius:5px;padding:5px 8px}
.uc-prompt{border-top:1px solid var(--line);margin-top:22px;padding-top:17px}.uc-prompt>div{display:flex;gap:10px;align-items:center;justify-content:space-between}
.uc-copy{background:none;font-size:11px;font-weight:800;white-space:nowrap;padding:6px 0;color:var(--coral-dark)}.uc-copy:hover{text-decoration:underline}.uc-copy>span{margin-left:5px}
.uc-prompt blockquote{margin:8px 0 0;font-size:12px;line-height:1.85;color:#41473f}.uc-prompt blockquote:before{content:'“'}.uc-prompt blockquote:after{content:'”'}
.uc-start{margin-top:22px;font-size:12px;color:var(--coral-dark);align-self:flex-start}
.uc-open-ended{display:flex;align-items:center;gap:22px;margin-top:28px;padding-block:18px}.uc-open-mark{font:500 58px/1 var(--sora);color:var(--coral-dark)}
.uc-open-ended>div{max-width:680px}.uc-open-ended h3{font-size:19px;letter-spacing:-.6px}.uc-open-ended p{font-size:12px;line-height:1.8;color:#62665f;margin-top:7px}.uc-open-ended>a{margin-left:auto;white-space:nowrap;font-size:12px}
.uc-disclaimer{font-size:10px;line-height:1.8;color:#64685f;border-top:1px solid #d9d5cc;padding-top:18px;margin-top:10px}
/* Each treatment uses the same video tools with a different creative brief. */
.uc-stage-product .uc-art>img{object-position:53% 54%}.uc-product-title{position:absolute;top:28px;left:25px;font:600 41px/1.02 var(--sora);letter-spacing:-2px;color:var(--paper)}.uc-product-tag{position:absolute;bottom:21px;left:25px;color:white;font-size:8px;letter-spacing:1.4px;font-weight:800}
.uc-stage-social .uc-art{background:#dce6d8;display:flex;align-items:center;justify-content:center;min-height:415px}
.uc-back-word{position:absolute;left:20px;top:30px;color:#304536;font:700 clamp(38px,4.3vw,64px)/.99 var(--sora);letter-spacing:-4px;transform:rotate(-5deg);opacity:.85}
.uc-phone{aspect-ratio:9/16;width:207px;position:relative;border:5px solid #1c2820;border-radius:18px;overflow:hidden;transform:rotate(6deg);box-shadow:12px 15px 0 #3045361c;z-index:1;margin:20px 0}
.uc-phone>img{width:100%;height:100%;object-fit:cover;object-position:64% 50%;position:absolute}.uc-phone-top{position:absolute;top:19px;left:14px;right:12px;font-size:7px;color:white;letter-spacing:1px;font-weight:800}
.uc-phone>strong{position:absolute;bottom:62px;left:15px;right:10px;font:600 27px/1.02 var(--sora);letter-spacing:-1.3px;color:var(--paper)}
.uc-phone-footer{position:absolute;bottom:23px;left:15px;font-size:7px;font-weight:800;letter-spacing:.9px;color:white}
.uc-sticker{position:absolute;right:20px;bottom:36px;z-index:2;transform:rotate(-9deg);background:#f86146;color:var(--ink);border-radius:50%;width:100px;height:100px;display:grid;place-content:center;text-align:center;font:600 18px/1.15 var(--sora);letter-spacing:-.7px;box-shadow:3px 5px 0 #0d121d18}
.uc-stage-story .uc-art>img{object-position:50% 50%}.uc-story-label{position:absolute;top:25px;left:25px;color:white;font-size:8px;letter-spacing:1.4px;font-weight:700}
.uc-story-title{position:absolute;top:76px;left:25px;color:#fffcf8;font:500 52px/1 var(--sora);letter-spacing:-3px}.uc-story-end{position:absolute;bottom:22px;left:25px;color:white;font-size:8px;letter-spacing:1.5px;font-weight:700}
.uc-stage-ads .uc-art{background:#f86146;padding:25px}.uc-ad-label{font-size:8px;letter-spacing:1.6px;font-weight:800}.uc-ad-title{position:absolute;top:83px;left:25px;right:20px;font:600 clamp(32px,3.4vw,48px)/1.06 var(--sora);letter-spacing:-2.6px;z-index:1}.uc-ad-title em{font-style:normal;color:#fffcf8}.uc-ad-arrow{font:500 250px/1 var(--sora);position:absolute;right:-30px;bottom:-8px;opacity:.13;transform:rotate(-7deg)}.uc-ad-cta{position:absolute;left:25px;bottom:27px;font-size:9px;letter-spacing:1px;font-weight:800;border-bottom:2px solid var(--ink);padding-bottom:8px}
.uc-stage-learn .uc-art{background:#e8ede4;padding:25px}.uc-learn-label{font-size:8px;letter-spacing:1.2px;font-weight:800;color:#4b6c41}.uc-learn-title{font:600 34px/1.12 var(--sora);letter-spacing:-1.8px;margin-top:27px}.uc-lesson-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:30px}.uc-lesson-steps>div{display:flex;flex-direction:column;background:#fffcf8;border:1px solid #c4cdbd;border-radius:6px;min-height:130px;padding:12px}.uc-lesson-steps span{font-size:9px;color:#4b6c41}.uc-lesson-steps i{font-size:31px;font-style:normal;line-height:1.2;margin-block:8px;color:#4b6c41}.uc-lesson-steps strong{font-size:10px;line-height:1.5;font-weight:800}.uc-learn-footer{display:block;margin-top:25px;font-size:8px;letter-spacing:1.3px;font-weight:800;color:#4b6c41}
.uc-stage-setup .uc-art{background:#e0e7f0;padding:25px}.uc-setup-label{font-size:8px;letter-spacing:1.2px;font-weight:800;color:#3e516c}.uc-setup-title{font:600 39px/1.04 var(--sora);letter-spacing:-2px;margin-top:28px;position:relative;z-index:2}.uc-setup-title em{font-style:normal;color:#375d99}.uc-device{position:absolute;right:43px;top:126px;height:155px;width:130px;background:linear-gradient(115deg,#fff,#cbd5e1);border-radius:20px 20px 26px 26px;border:1px solid #a5b4ca;box-shadow:8px 14px 0 #6f84a51a;transform:rotate(-9deg);display:flex;gap:5px;align-items:flex-end;justify-content:center;padding-bottom:25px}.uc-device i{width:4px;height:12px;background:#879bb6;border-radius:3px}.uc-device-light{position:absolute;width:9px;height:9px;border-radius:50%;top:22px;left:22px;background:#366b47;box-shadow:0 0 0 4px #366b471a}.uc-cable{position:absolute;right:90px;top:278px;width:100px;height:53px;border-bottom:5px solid #6682a9;border-right:5px solid #6682a9;border-radius:0 0 30px 0;transform:rotate(-9deg)}.uc-setup-step{position:absolute;bottom:28px;left:25px;font-size:8px;font-weight:800;letter-spacing:1px;color:#3e516c}
@media(max-width:1180px){.uc-tabs>button{padding-inline:12px;font-size:11px}.uc-heading{gap:35px}.uc-brief{padding-right:23px}.uc-stage{margin:16px}.uc-stage-social .uc-art{min-height:410px}.uc-sticker{right:12px;width:85px;height:85px;font-size:16px}.uc-back-word{font-size:50px}.uc-lesson-steps{gap:5px}.uc-lesson-steps>div{padding:9px}.uc-lesson-steps strong{font-size:9px}.uc-ad-title{font-size:37px}.uc-setup-title{font-size:35px}.uc-device{right:26px;width:115px}.uc-cable{right:70px}}
@media(max-width:960px){.uc-heading{grid-template-columns:1fr}.uc-heading>p{max-width:600px}.uc-tabs{grid-template-columns:repeat(3,1fr)}.uc-tabs>button{min-height:72px;border-bottom:1px solid #e5e1da;padding:13px 16px;font-size:12px}.uc-tabs>button>span{margin-bottom:3px}.uc-tabs>button:nth-child(3){border-right:0}.uc-panel{grid-template-columns:1fr 1fr}.uc-stage{margin:14px}.uc-brief{padding:25px 20px 25px 5px}.uc-brief h3{font-size:26px}.uc-description{font-size:12px}.uc-back-word{font-size:43px;letter-spacing:-2.5px}.uc-phone{width:180px}.uc-sticker{right:9px;bottom:36px;width:75px;height:75px;font-size:14px}.uc-lesson-steps{grid-template-columns:1fr;margin-top:22px;gap:7px}.uc-lesson-steps>div{flex-direction:row;align-items:center;min-height:50px;padding:9px;gap:10px}.uc-lesson-steps i{font-size:25px;margin:0}.uc-lesson-steps strong{font-size:11px}.uc-learn-title{font-size:28px}.uc-open-ended>a{display:none}.uc-setup-title{font-size:32px}.uc-device{top:158px}.uc-cable{top:310px}.uc-story-title{font-size:43px}.uc-art{min-height:440px}.uc-ad-title{font-size:35px;top:100px}}
@media(max-width:760px){.usecase-section{padding-block:60px 45px}.uc-heading{gap:20px;margin-bottom:28px}.uc-heading h2{font-size:clamp(30px,5.5vw,42px);letter-spacing:-1.8px}.uc-heading>p{font-size:13px;max-width:450px}.uc-tabs>button{font-size:11px;min-height:76px;padding:12px 10px}.uc-tabs>button>span{font-size:9px}.uc-panel{grid-template-columns:1fr}.uc-stage{margin:14px 14px 0}.uc-art{min-height:360px}.uc-stage-social .uc-art{min-height:390px}.uc-phone{width:195px}.uc-back-word{font-size:54px;left:22px;top:34px}.uc-sticker{right:25px;bottom:32px;width:88px;height:88px;font-size:16px}.uc-brief{padding:27px 23px 30px}.uc-brief h3{font-size:29px;max-width:450px}.uc-description{font-size:13px;max-width:none}.uc-prompt blockquote{font-size:13px}.uc-prompt>div{gap:12px}.uc-small-label{font-size:9px}.uc-open-ended{align-items:flex-start;gap:16px;margin-top:18px}.uc-open-ended h3{font-size:19px}.uc-open-ended p{font-size:12px}.uc-open-mark{font-size:43px;margin-top:3px}.uc-disclaimer{font-size:10px}.uc-lesson-steps{grid-template-columns:repeat(3,1fr);gap:8px;margin-top:26px}.uc-lesson-steps>div{flex-direction:column;align-items:flex-start;min-height:133px;gap:8px;padding:11px}.uc-lesson-steps strong{font-size:10px}.uc-learn-title{font-size:34px}.uc-ad-title{font-size:44px;letter-spacing:-2.5px;top:83px}.uc-setup-title{font-size:40px}.uc-device{right:45px;top:130px;height:150px;width:125px}.uc-cable{right:92px;top:278px}.uc-story-title{font-size:49px}}
@media(max-width:420px){.uc-heading h2{font-size:30px;letter-spacing:-1.65px}.uc-heading>p{font-size:12px}.uc-tabs>button{font-size:10px;padding-inline:9px;min-height:73px}.uc-stage{margin:10px 10px 0}.uc-stage-meta{padding:12px;font-size:8px;letter-spacing:.7px}.uc-stage-bottom{padding:11px 12px;font-size:7px;letter-spacing:.4px}.uc-frame-marks{letter-spacing:2px}.uc-art{min-height:330px}.uc-stage-social .uc-art{min-height:365px}.uc-phone{width:180px}.uc-back-word{font-size:43px;left:14px}.uc-sticker{right:10px;bottom:24px;width:76px;height:76px;font-size:14px}.uc-brief{padding:24px 18px 28px}.uc-brief h3{font-size:26px}.uc-small-label{font-size:8px}.uc-copy{font-size:10px}.uc-ad-title{font-size:36px;letter-spacing:-2px;left:20px}.uc-ad-label,.uc-ad-cta{font-size:8px}.uc-learn-title{font-size:29px}.uc-stage-learn .uc-art,.uc-stage-setup .uc-art{padding:20px}.uc-lesson-steps{gap:6px}.uc-lesson-steps>div{padding:8px}.uc-lesson-steps strong{font-size:9px}.uc-setup-title{font-size:35px}.uc-device{right:25px;width:106px;height:134px;top:139px}.uc-cable{right:63px;top:270px;height:35px}.uc-setup-step{font-size:7px;left:20px;bottom:20px}.uc-learn-label{font-size:7px}.uc-product-title{font-size:35px}.uc-story-label{font-size:7px;left:20px;right:15px}.uc-story-title{font-size:43px;left:20px}.uc-story-end{left:20px;font-size:7px}}
@media(min-width:961px) and (max-width:1180px){#main-nav{gap:18px}#main-nav>a{font-size:11px}}