.brief-v4{--bv-navy:#0c1720;--bv-panel:#142838;--bv-paper:#f3f5f7;--bv-cream:#f7f4eb;--bv-accent:#72c6e7;--bv-blue:#3975b1;color:var(--bv-navy);background:var(--bv-paper);font-size:18px;line-height:1.55;font-family:Inter,Arial,sans-serif}
.brief-v4 *{box-sizing:border-box}
.brief-v4 .bv-wrap{width:min(1240px,calc(100% - 80px));margin-inline:auto}
.brief-v4 h1,.brief-v4 h2,.brief-v4 h3,.brief-v4 p{margin:0}
.brief-v4 .bv-eyebrow{font-size:12px;font-weight:650;line-height:1.4;letter-spacing:.12em;color:var(--bv-blue);text-transform:uppercase}
.brief-v4 .bv-intro{background:var(--bv-navy);color:var(--bv-cream);padding:64px 0 38px}
.brief-v4 .bv-hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:76px;align-items:center}
.brief-v4 .bv-hero-copy>.bv-eyebrow{display:flex;align-items:center;gap:9px;color:var(--bv-accent);margin-bottom:22px}
.brief-v4 .bv-hero-copy>.bv-eyebrow span{width:7px;height:7px;border-radius:50%;background:var(--bv-accent)}
.brief-v4 h1{font-size:clamp(42px,4.6vw,66px);font-weight:560;letter-spacing:-.052em;line-height:1.06;max-width:700px}
.brief-v4 h1 em{font-style:normal;color:var(--bv-accent)}
.brief-v4 .bv-deck{font-size:19px;line-height:1.55;color:#bbc9d2;max-width:545px;margin-top:25px}
.brief-v4 .bv-promise{font-size:19px;color:#e2e9eb;margin-top:13px}
.brief-v4 .bv-promise strong{font-weight:600;color:var(--bv-cream)}
.brief-v4 .bv-signup{background:var(--bv-cream);color:var(--bv-navy);padding:28px 30px 23px;border-radius:14px;border-top:3px solid var(--bv-accent);box-shadow:0 14px 40px #0002}
.brief-v4 .bv-signup-kicker{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:10px;letter-spacing:.09em;line-height:1.4;font-weight:700;color:#4c606c;margin-bottom:20px}
.brief-v4 .bv-free{background:#dcebf0;padding:5px 8px;border-radius:4px;color:#215575;font-weight:750}
.brief-v4 .bv-signup h2{font-size:30px;font-weight:620;letter-spacing:-.035em;line-height:1.15;margin-bottom:14px}
.brief-v4 .bv-signup>p:not(.bv-signup-note){font-size:17px;line-height:1.5;color:#51636e;margin-bottom:21px}
.brief-v4 .bv-signup .email-form{display:flex;flex-direction:column;gap:10px;margin:0;width:100%;grid-template-columns:none}
.brief-v4 .bv-signup .email-field{display:flex;align-items:center;gap:12px;width:100%;height:54px;min-height:54px;border:1px solid #a5b4bd;border-radius:7px;background:#fff;box-shadow:none;padding:0 15px;color:#526c7a}
.brief-v4 .bv-signup .email-field:focus-within{border-color:#267b9d;outline:3px solid #72c6e740}
.brief-v4 .bv-signup .email-field>.icon{width:20px;height:20px;flex:0 0 20px;stroke-width:1.7}
.brief-v4 .bv-signup input{font:inherit;font-size:17px;line-height:1.4;background:none;color:var(--bv-navy);padding:0;min-width:0;width:100%;border:0;outline:0;box-shadow:none}
.brief-v4 .bv-signup input::placeholder{color:#637680;opacity:1}
.brief-v4 .bv-signup button{display:flex;justify-content:space-between;align-items:center;gap:15px;width:100%;min-height:54px;padding:13px 17px;border:0;border-radius:7px;background:#225e93;color:#fff;font:inherit;font-size:16px;font-weight:650;cursor:pointer;transition:background .2s,transform .2s}
.brief-v4 .bv-signup button:hover{background:#174d7c;transform:translateY(-1px)}
.brief-v4 .bv-signup button:focus-visible,.brief-v4 .bv-sample-link:focus-visible{outline:3px solid var(--bv-accent);outline-offset:4px}
.brief-v4 .bv-signup button .icon{width:21px;height:21px;flex:none}
.brief-v4 .bv-signup .form-status{font-size:14px;line-height:1.4;color:#8d2b2b;min-height:0;margin:0}
.brief-v4 .bv-signup .form-status:empty{display:none}
.brief-v4 .bv-signup .bv-signup-note{font-size:12px;line-height:1.5;color:#64747d;margin-top:11px}
/* A concrete product view takes the place of the transmission diagram. */
.brief-v4 .bv-signup .email-field>.icon{position:static;inset:auto;flex:0 0 20px}
.brief-v4 .bv-email{padding-top:54px;padding-bottom:57px}
.brief-v4 .bv-email-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:28px}
.brief-v4 .bv-email-heading h2{font-size:36px;font-weight:620;line-height:1.14;letter-spacing:-.043em;margin-top:13px;max-width:700px;color:#142838}
.brief-v4 .bv-email-heading>p{font-size:15px;line-height:1.65;color:#6c7e8c;margin-bottom:3px;flex-shrink:0}
.brief-v4 .bv-email-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.brief-v4 .bv-product-photo{margin:0;min-width:0;overflow:hidden;border-radius:14px;background:#142838;border:1px solid #cfd9e1}
.brief-v4 .bv-product-photo img{display:block;width:100%;height:auto;aspect-ratio:1.5;object-fit:cover}
.brief-v4 .bv-contents{list-style:none;padding:0;margin:0;display:grid;gap:0}
.brief-v4 .bv-contents li{display:grid;grid-template-columns:28px 1fr;gap:18px;padding:19px 0}
.brief-v4 .bv-contents li:first-child{padding-top:0}
.brief-v4 .bv-contents li:last-child{padding-bottom:0}
.brief-v4 .bv-contents li+li{border-top:1px solid #d4dee5}
.brief-v4 .bv-content-number{color:#6d91a7;font-size:11px;font-weight:650;letter-spacing:.03em;line-height:1.4;padding-top:4px}
.brief-v4 .bv-contents h3{font-size:24px;line-height:1.15;letter-spacing:-.035em;font-weight:620;color:#17364c}
.brief-v4 .bv-contents h3 br{display:none}
.brief-v4 .bv-contents p{font-size:16px;line-height:1.6;color:#5c7180;margin-top:8px;max-width:455px}
.brief-v4 .bv-outcomes{background:#e5edf2;padding:46px 0 49px;border-top:1px solid #d2dfe7}
.brief-v4 .bv-outcomes-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:center}
.brief-v4 .bv-outcomes-heading h2{font-size:36px;line-height:1.14;letter-spacing:-.043em;font-weight:620;color:#142838;margin-top:15px}
.brief-v4 .bv-outcomes-heading h2 em{font-style:normal;color:#477d9c}
.brief-v4 .bv-outcomes-heading>p:not(.bv-eyebrow){font-size:17px;line-height:1.6;color:#5f7686;margin-top:18px;max-width:370px}
.brief-v4 .bv-sample-link{display:inline-flex;align-items:center;gap:18px;font-size:15px;line-height:1.5;font-weight:650;color:#235c8b;text-decoration:none;border-bottom:1px solid #8aa9bf;padding:8px 0;margin-top:14px;min-height:48px;transition:color .2s,gap .2s}
.brief-v4 .bv-sample-link:hover{gap:24px;color:#142838}
.brief-v4 .bv-sample-link .icon{width:21px;height:21px;flex:none}
.brief-v4 .bv-benefit-list{display:grid;grid-template-columns:1fr 1fr;gap:27px 33px;list-style:none;padding:0;margin:0;align-items:start}
.brief-v4 .bv-benefit-list li{border-top:2px solid #87a9bf;padding-top:16px}
.brief-v4 .bv-benefit-list h3{font-size:21px;line-height:1.27;letter-spacing:-.025em;font-weight:620;color:#17364c;max-width:270px}
.brief-v4 .bv-benefit-list p{font-size:15px;line-height:1.65;color:#5d7484;max-width:285px;margin-top:10px}
@media(min-width:1440px){.brief-v4 .bv-wrap{width:min(1240px,calc(100% - 112px))}}
@media(max-width:1080px) and (min-width:761px){.brief-v4 .bv-wrap{width:calc(100% - 56px)}.brief-v4 .bv-hero-grid{gap:35px;grid-template-columns:1.1fr .9fr}.brief-v4 h1{font-size:49px}.brief-v4 .bv-signup{padding:25px}.brief-v4 .bv-signup h2{font-size:28px}.brief-v4 .bv-email-grid{gap:27px;grid-template-columns:1fr 1fr}.brief-v4 .bv-email-heading h2{font-size:32px}.brief-v4 .bv-email-heading>p{font-size:13px}.brief-v4 .bv-contents h3{font-size:22px}.brief-v4 .bv-contents p{font-size:15px}.brief-v4 .bv-outcomes-layout{gap:42px}.brief-v4 .bv-outcomes-heading h2{font-size:32px}.brief-v4 .bv-benefit-list{gap:23px}.brief-v4 .bv-benefit-list h3{font-size:19px}}
@media(max-width:760px){
 .brief-v4{font-size:17px}
 .brief-v4 .bv-wrap{width:calc(100% - 40px)}
 .brief-v4 .bv-intro{padding:38px 0 34px}
 .brief-v4 .bv-hero-grid{display:flex;flex-direction:column;gap:28px;align-items:stretch}
 .brief-v4 .bv-hero-copy>.bv-eyebrow{font-size:11px;margin-bottom:18px}
 .brief-v4 h1{font-size:clamp(38px,8.7vw,56px);line-height:1.08;letter-spacing:-.047em}
 .brief-v4 .bv-desktop-break{display:none}
 .brief-v4 .bv-deck{font-size:18px;line-height:1.55;margin-top:20px;max-width:540px;color:#c2cfd7}
 .brief-v4 .bv-promise{font-size:18px;line-height:1.5;margin-top:10px}
 .brief-v4 .bv-signup{padding:24px;border-radius:12px}
 .brief-v4 .bv-signup-kicker{font-size:10px;margin-bottom:15px}
 .brief-v4 .bv-signup h2{font-size:30px;line-height:1.16;margin-bottom:12px}
 .brief-v4 .bv-signup>p:not(.bv-signup-note){font-size:17px;line-height:1.5;margin-bottom:19px}
 .brief-v4 .bv-signup input{font-size:17px}
 .brief-v4 .bv-signup button{min-height:56px;font-size:17px}
 .brief-v4 .bv-signup .email-field{min-height:56px;height:56px}
 .brief-v4 .bv-signup .bv-signup-note{font-size:13px}
 .brief-v4 .bv-email{padding-top:37px;padding-bottom:38px}
 .brief-v4 .bv-email-heading{display:block;margin-bottom:25px}
 .brief-v4 .bv-eyebrow{font-size:11px}
 .brief-v4 .bv-email-heading h2{font-size:32px;line-height:1.18;margin-top:12px}
 .brief-v4 .bv-email-heading h2 br{display:none}
 .brief-v4 .bv-email-heading>p{font-size:17px;line-height:1.65;margin-top:16px;max-width:430px}
 .brief-v4 .bv-email-heading>p br{display:none}
 .brief-v4 .bv-email-grid{display:flex;flex-direction:column;gap:25px;align-items:stretch}
 .brief-v4 .bv-product-photo{border-radius:11px;overflow:hidden;margin-inline:-4px}
 .brief-v4 .bv-product-photo img{aspect-ratio:1.35;object-position:58% center}
 .brief-v4 .bv-contents li{grid-template-columns:24px 1fr;gap:15px;padding:24px 0}
 .brief-v4 .bv-contents li:first-child{padding-top:0}
 .brief-v4 .bv-contents li:last-child{padding-bottom:0}
 .brief-v4 .bv-content-number{font-size:11px;line-height:1.5;padding-top:5px}
 .brief-v4 .bv-contents h3{font-size:26px;line-height:1.18;letter-spacing:-.035em}
 .brief-v4 .bv-contents h3 br{display:none}
 .brief-v4 .bv-contents p{font-size:17px;line-height:1.7;margin-top:12px;max-width:520px}
 .brief-v4 .bv-outcomes{padding:37px 0 39px}
 .brief-v4 .bv-outcomes-layout{display:flex;flex-direction:column;align-items:stretch;gap:27px}
 .brief-v4 .bv-outcomes-heading h2{font-size:34px;line-height:1.14;margin-top:13px}
 .brief-v4 .bv-outcomes-heading>p:not(.bv-eyebrow){font-size:17px;line-height:1.7;margin-top:18px;max-width:480px}
 .brief-v4 .bv-sample-link{font-size:16px;min-height:49px;margin-top:14px}
 .brief-v4 .bv-benefit-list{display:block}
 .brief-v4 .bv-benefit-list li{padding-top:22px;margin-top:23px;border-top-width:1px;border-top-color:#bdcfda}
 .brief-v4 .bv-benefit-list li:first-child{margin-top:0}
 .brief-v4 .bv-benefit-list h3{font-size:25px;line-height:1.25;max-width:480px}
 .brief-v4 .bv-benefit-list p{font-size:17px;line-height:1.7;max-width:520px;margin-top:10px}
}
@media(max-width:370px){.brief-v4 .bv-wrap{width:calc(100% - 32px)}.brief-v4 h1{font-size:37px}.brief-v4 .bv-signup{padding:21px}.brief-v4 .bv-email-heading h2{font-size:29px}.brief-v4 .bv-contents h3{font-size:24px}.brief-v4 .bv-outcomes-heading h2{font-size:31px}.brief-v4 .bv-benefit-list h3{font-size:23px}}
@media(prefers-reduced-motion:reduce){.brief-v4 *{transition:none!important;scroll-behavior:auto!important}}