/* REVISE. Product Design — Modern Design Studio. Visual redesign only; learning tools retain existing logic. */
:root{--navy:#172c49;--navy-dark:#14283f;--teal:#168c8c;--teal-dark:#087b78;--teal-pale:#eaf6f3;--text:#1d2e36;--muted:#5c6d76;--line:#e3e8e6;--bg:#f7f8f6;--white:#fff;--shadow:0 14px 40px rgba(29,42,48,.075)}
body{background:var(--bg);color:var(--text);font-family:Inter,'Aptos','Segoe UI',Arial,sans-serif;line-height:1.55}
.shell{display:block;min-height:100vh}.main-shell{width:100%;min-height:100vh}.sidebar{display:none!important}
.topbar{height:84px;padding:0 clamp(24px,5vw,76px);display:flex;align-items:center;justify-content:space-between;gap:28px;position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);box-shadow:0 1px 0 #e6ebe8;border:0;backdrop-filter:blur(16px)}
.header-brand{display:inline-flex;align-items:center;gap:24px;text-decoration:none;color:#10191c;white-space:nowrap;flex-shrink:0}
.header-wordmark{font-weight:950;letter-spacing:-2.6px;font-size:clamp(29px,2.6vw,37px);line-height:1;display:inline-block}
.header-fullstop{color:#10191c}.header-subject{font-size:20px;font-weight:450;letter-spacing:-.65px;color:#222b30;padding-left:22px;border-left:1px solid #d3dad7;line-height:1.1}
.desktop-primary-nav{display:flex;align-items:stretch;gap:clamp(10px,2.1vw,34px);height:100%;margin-left:auto;white-space:nowrap}
.desktop-primary-nav .nav-item{padding:0 1px;display:inline-flex;align-items:center;justify-content:center;position:relative;font-size:14px;font-weight:620;color:#26343c;border:0;border-radius:0;background:transparent;gap:0}
.desktop-primary-nav .nav-item:hover,.desktop-primary-nav .nav-item:focus-visible{color:var(--teal-dark);background:transparent}
.desktop-primary-nav .nav-item.active{color:#111f25;background:transparent;border:0;font-weight:800}
.desktop-primary-nav .nav-item.active:after{position:absolute;content:'';height:3px;bottom:0;left:0;right:0;border-radius:8px 8px 0 0;background:var(--teal)}
.header-actions{display:flex;align-items:center;gap:15px;flex-shrink:0}
.profile-link{display:grid;place-items:center;color:#21383f;min-width:34px;width:35px;height:35px;border-radius:10px;transition:background .2s}
.profile-link:hover,.profile-link.active{background:#e6f5f2;color:#087c78}.profile-link svg{width:25px;height:25px}
.tools-dropdown{position:relative}.tools-dropdown>summary{list-style:none;display:flex;align-items:center;gap:5px;font-size:13px;color:#304951;cursor:pointer;font-weight:700;padding:9px 5px;border-radius:7px}.tools-dropdown>summary::-webkit-details-marker{display:none}.tools-dropdown>summary:hover{color:var(--teal-dark)}.tools-dropdown[open] summary{color:var(--teal-dark)}
#utilityNav{position:absolute;right:0;top:calc(100% + 11px);background:white;border:1px solid #d9e4e0;border-radius:14px;padding:9px;box-shadow:0 18px 45px #0a293420;display:grid;gap:2px;min-width:260px;z-index:35}
#utilityNav .nav-item{color:#25434e;background:white;display:flex;gap:12px;padding:11px 13px;font-size:13px;border:0;border-radius:8px;text-decoration:none}
#utilityNav .nav-item:hover,#utilityNav .nav-item:focus-visible{background:#eff8f6;color:#096b68}
#utilityNav .nav-item.active{background:#e0f2ee;color:#096562}
#utilityNav .nav-symbol{font-size:19px;color:#16958e}
.menu-toggle{display:none}
main{width:min(1470px,100%);padding:34px clamp(24px,4vw,62px) 80px;margin:0 auto;flex:1;min-width:0}
.footer{background:white;border-top:1px solid var(--line);padding:26px clamp(24px,5vw,76px);display:flex;gap:25px;align-items:center;font-size:12px;color:#657780}
.footer>div{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.footer>div:last-child{margin-left:auto}.footer strong{color:#162730;font-size:17px;font-weight:900;letter-spacing:-.7px}.footer a{color:#087c78;font-weight:750;text-decoration:none}
/* other revision pages get the same calm studio design */
body:not(.homepage) main>.eyebrow,body:not(.homepage) main>.h1,body:not(.homepage) main>.lead{max-width:850px}
.h1{color:var(--navy-dark);font-weight:850;letter-spacing:-1.9px}.h2,.h3{color:var(--navy-dark)}.card,.panel,.question-card,.stat{border:1px solid #e0e7e4;border-radius:15px;box-shadow:0 9px 25px #14343c08}
.card.click-card:hover{border-color:#a1cfca;box-shadow:0 14px 30px #15394318}.btn{background:var(--teal-dark);border-color:var(--teal-dark);border-radius:8px}.btn:hover{background:#076966}.btn.secondary{border-color:#c9dad7}.eyebrow,.card-kicker{color:var(--teal-dark)}
/* Approved Design A — modern studio editorial hero */
.home-v4{font-family:inherit;color:#182a2e}
.studio-hero{display:grid;grid-template-columns:minmax(0,1.13fr) minmax(0,.87fr);background:#fbfcfa;min-height:486px;border:1px solid #e5eae8;border-radius:17px 17px 0 0;overflow:hidden;position:relative;box-shadow:0 20px 44px #18343a0b}
.studio-hero-copy{padding:clamp(36px,4.2vw,66px) 16px 75px clamp(36px,4.2vw,68px);z-index:1;align-self:center;position:relative}
.studio-overline{font-weight:800;letter-spacing:3.3px;font-size:11px;color:#3c575d;display:flex;align-items:center;gap:15px;margin-bottom:32px;white-space:nowrap}.studio-overline-rule{display:inline-block;flex:1;max-width:74px;height:1px;background:#aebdbb}
.studio-hero h1{font-weight:880;letter-spacing:-3.7px;line-height:1.06;font-size:clamp(38px,4.25vw,67px);margin:0 0 25px;color:#131c23;max-width:740px}
.studio-hero h1 em{color:#0d817d;font-style:normal}
.studio-hero-copy>p{font-size:clamp(16px,1.28vw,19px);line-height:1.57;color:#52636c;max-width:575px;margin:0 0 27px}
.studio-hero-actions{display:flex;align-items:center;gap:13px;flex-wrap:wrap}
.studio-button{display:inline-flex;align-items:center;justify-content:center;gap:17px;text-decoration:none;padding:14px 23px;min-height:50px;border-radius:8px;font-size:15px;font-weight:760;white-space:nowrap;border:1.5px solid #087e7b;transition:transform .15s,background .15s,box-shadow .15s}
.studio-button:hover{transform:translateY(-2px)}.studio-button-primary{background:#087e7b;color:white;box-shadow:0 7px 15px #066f6a18}.studio-button-primary:hover{background:#046a67;color:#fff}
.studio-button-secondary{background:#fff;color:#16515c}.studio-button-secondary:hover{background:#e9f5f3;color:#086f6c}
.studio-hero-footnote{margin-top:39px;color:#6c8486;font-size:11px;letter-spacing:1.3px;font-weight:800}.subtle-dot{padding:0 9px;color:#96b5b1}
.studio-hero-art{min-height:466px;position:relative;overflow:hidden;background-color:#f2f6f4;background-image:linear-gradient(#dce7e340 1px,transparent 1px),linear-gradient(90deg,#dce7e340 1px,transparent 1px);background-size:29px 29px;display:flex;align-items:center;justify-content:center}
.studio-hero-art:after{content:'';position:absolute;inset:0;pointer-events:none;box-shadow:inset 30px 0 48px #fafcfa8f}
.studio-hero-art img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center;max-width:none;pointer-events:none}
.hero-art-number,.hero-art-caption{position:absolute;z-index:2;font-weight:850;letter-spacing:2.1px;color:#47686a;font-size:10px}.hero-art-number{top:22px;left:22px}.hero-art-caption{right:20px;bottom:22px}
/* Main tool tiles overlap the base of the hero for a designed studio dashboard */
.studio-primary-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;padding:0 clamp(16px,2.5vw,30px);margin-top:-44px;position:relative;z-index:2;margin-bottom:41px}
.studio-tool-card{background:white;border:1px solid #e4ebe7;box-shadow:0 10px 24px #102e3619;border-radius:12px;display:flex;align-items:center;gap:15px;padding:23px 19px;min-height:124px;text-decoration:none;color:#1d2b31;transition:transform .15s,box-shadow .15s,border-color .15s}
.studio-tool-card:hover,.studio-tool-card:focus-visible{transform:translateY(-4px);border-color:#9bc8c4;box-shadow:0 15px 30px #12343e24}
.studio-card-icon{color:#0c8885;display:inline-flex;flex-shrink:0}.studio-card-icon svg{width:34px;height:34px}.studio-card-copy{display:flex;flex-direction:column;gap:5px;min-width:0}.studio-card-copy strong{font-size:16px;font-weight:830;letter-spacing:-.4px;color:#15252e}.studio-card-copy>span{font-size:12px;line-height:1.43;color:#596c72}.studio-card-arrow{align-self:flex-start;margin-left:auto;font-size:20px;font-weight:650;color:#233c45;line-height:1}
.studio-section-intro{display:flex;justify-content:space-between;align-items:end;gap:15px;margin:28px 0 19px}.studio-section-intro h2{font-size:clamp(25px,2.4vw,34px);line-height:1.1;letter-spacing:-1.3px;margin:5px 0 6px;color:#1b3139}.studio-section-intro p{font-size:14px;color:#718087;margin:0}.studio-kicker{font-size:11px;letter-spacing:2.2px;font-weight:850;color:#0c8983}.studio-text-link{font-size:13px;font-weight:790;color:#0b7671;text-decoration:none;border-bottom:1px solid #83bcb6;white-space:nowrap;padding-bottom:4px}.studio-text-link:hover{color:#064f4d}
.studio-progress{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.studio-progress>div{background:white;border:1px solid #e3e9e7;padding:20px 23px;border-radius:12px;display:flex;flex-direction:column;gap:5px}.studio-progress>div>span{font-size:12px;color:#60747b;font-weight:650}.studio-progress strong{font-size:30px;line-height:1.15;color:#1a343e;letter-spacing:-1.3px}.studio-progress strong small{font-size:14px;color:#819197;letter-spacing:0}
.studio-next-step{display:flex;align-items:center;justify-content:space-between;gap:24px;background:#ebf6f2;border:1px solid #c9e6de;border-radius:13px;padding:27px 31px;margin:22px 0 45px}.studio-next-step h2{font-size:clamp(21px,2vw,27px);letter-spacing:-.85px;margin:4px 0 8px;color:#193840}.studio-next-step p{font-size:14px;color:#4d6b71;margin:0;line-height:1.55;max-width:760px}.studio-next-step .studio-button{flex-shrink:0}
.studio-more-intro{margin-top:0}.studio-extra-tools{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.studio-extra-tools>a{display:flex;align-items:center;gap:17px;background:#fff;border:1px solid #e3ebe8;border-radius:11px;padding:20px;text-decoration:none;color:#1e353d;transition:border-color .15s,transform .15s}.studio-extra-tools>a:hover{border-color:#98c6bf;transform:translateY(-2px)}
.studio-extra-tools>a>span:nth-child(2){display:flex;flex-direction:column;gap:4px;flex:1}.studio-extra-tools strong{font-size:16px;color:#1d333c}.studio-extra-tools small{color:#61747a;font-size:12px;line-height:1.4}.studio-extra-tools>a>span:last-child{font-size:20px;color:#147f7b}.studio-extra-number{font-size:12px;color:#0d827e;font-weight:850;background:#e5f4f0;border-radius:9px;padding:9px 11px;letter-spacing:1px}
.studio-qa-note{font-size:12px;color:#7b898f;line-height:1.6;margin:28px 1px 0;max-width:1050px}
/* Responsiveness: still feels designed, but functional content remains legible */
@media(max-width:1250px){.header-brand{gap:14px}.header-subject{font-size:17px;padding-left:14px}.desktop-primary-nav{gap:18px}.desktop-primary-nav .nav-item{font-size:13px}.studio-hero h1{font-size:clamp(36px,4.3vw,56px)}.studio-hero-copy{padding-left:38px}.studio-tool-card{padding:20px 13px;gap:10px}.studio-card-icon svg{width:31px;height:31px}.studio-card-copy strong{font-size:15px}}
@media(max-width:1050px){.desktop-primary-nav{gap:12px}.desktop-primary-nav .nav-item{font-size:12px}.header-wordmark{font-size:28px}.header-subject{font-size:15px}.topbar{padding:0 24px;gap:10px}.header-actions{gap:8px}.studio-hero{grid-template-columns:1fr .84fr;min-height:410px}.studio-hero-copy{padding:32px 10px 62px 35px}.studio-hero-art{min-height:410px}.studio-hero h1{font-size:clamp(36px,4.4vw,51px);letter-spacing:-2.4px}.studio-overline{font-size:9px;letter-spacing:2px}.studio-hero-footnote{margin-top:24px}.studio-primary-links{gap:9px;padding:0 12px}.studio-tool-card{min-height:125px;display:grid;grid-template-columns:32px 1fr;gap:10px}.studio-card-arrow{display:none}}
@media(max-width:1020px){.topbar{height:72px}.desktop-primary-nav,.tools-dropdown,.profile-link{display:none}.menu-toggle{display:inline-flex;border:1px solid #ccdbd6;border-radius:8px;background:#fff;color:#1d383f;padding:10px 13px;font-size:13px;font-weight:800;align-items:center;gap:6px}.mobile-nav:not([hidden]){display:grid;grid-template-columns:repeat(2,minmax(0,1fr));padding:12px 20px;gap:7px;background:white;border-bottom:1px solid #dce7e3;box-shadow:0 12px 20px #102e3611;position:sticky;top:72px;z-index:25}.mobile-nav .nav-item{font-size:13px;border:1px solid #e2eae7;border-radius:8px;padding:11px 12px;color:#28515a;background:#f8fbf9}.mobile-nav .nav-item.active{background:#ddf0ec;color:#096b64}.mobile-nav .nav-symbol{width:20px;flex-shrink:0}.studio-hero h1{font-size:clamp(34px,4.7vw,45px)}.studio-hero-copy>p{font-size:15px}.studio-button{font-size:13px;padding:12px 15px;min-height:45px}}
@media(max-width:760px){main{padding:19px 16px 52px}.topbar{padding:0 18px}.header-brand{gap:12px}.header-wordmark{font-size:29px;letter-spacing:-2px}.header-subject{font-size:14px;padding-left:12px}.studio-hero{grid-template-columns:1fr;border-radius:13px 13px 0 0;min-height:0}.studio-hero-copy{padding:34px 25px 12px}.studio-overline{font-size:10px;letter-spacing:2px;gap:9px;margin-bottom:23px}.studio-overline-rule{max-width:30px}.studio-hero h1{font-size:clamp(35px,7vw,51px);letter-spacing:-2.3px}.studio-hero-art{min-height:255px;max-height:285px}.studio-hero-art img{object-fit:contain}.hero-art-number{top:12px;left:15px}.hero-art-caption{bottom:13px;right:15px}.studio-hero-footnote{margin-top:19px;margin-bottom:6px;font-size:10px}.studio-primary-links{margin-top:0;padding:12px 12px 0;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:28px;border:1px solid #e5eae8;border-top:0;background:#fbfcfa;border-radius:0 0 13px 13px;box-shadow:0 15px 30px #0d2b340a}.studio-tool-card{display:flex;gap:9px;align-items:flex-start;min-height:125px;padding:15px 13px;box-shadow:0 4px 12px #102e3610}.studio-card-icon svg{width:28px;height:28px}.studio-card-copy strong{font-size:14px}.studio-card-copy>span{font-size:11px}.studio-section-intro{align-items:start}.studio-progress{grid-template-columns:repeat(2,minmax(0,1fr))}.studio-progress>div{padding:17px}.studio-progress strong{font-size:27px}.studio-next-step{flex-direction:column;align-items:stretch;padding:22px;margin-bottom:32px}.studio-next-step .studio-button{width:100%}.studio-extra-tools{grid-template-columns:1fr}.footer,.footer>div{align-items:start;flex-direction:column;gap:8px}.footer>div:last-child{margin:0}}
@media(max-width:460px){.header-subject{font-size:12px}.header-wordmark{font-size:27px}.studio-hero-copy{padding:29px 20px 10px}.studio-hero h1{font-size:clamp(31px,9vw,39px);letter-spacing:-1.8px}.studio-hero h1 br{display:none}.studio-hero h1 em{display:block;margin-top:7px}.studio-hero-copy>p{font-size:14px}.studio-hero-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px}.studio-button{padding:11px 9px;font-size:12px;white-space:normal;gap:6px;text-align:center}.studio-hero-art{min-height:214px}.studio-primary-links{gap:8px;padding:9px}.studio-tool-card{min-height:144px;flex-direction:column;gap:9px}.studio-card-copy strong{font-size:14px}.studio-card-copy>span{font-size:11px}.studio-overline{font-size:9px}.studio-overline-rule{display:none}.studio-section-intro{flex-direction:column;gap:9px}.studio-next-step h2{font-size:22px}.mobile-nav:not([hidden]){padding:10px;gap:5px}.mobile-nav .nav-item{font-size:11px;padding:8px}}
@media(prefers-reduced-motion:reduce){.studio-button,.studio-tool-card,.studio-extra-tools>a{transition:none}}
@media print{.topbar,.mobile-nav,.footer,.studio-primary-links{display:none!important}main{padding:0!important}}