/* PCAA upgrade: standardized type, layer-safe 3D, accessible menu and signup */
:root{--pcaa-crimson:#be1738;--pcaa-red:#d32444;--pcaa-forest:#01411c;--pcaa-deep:#051c17;--pcaa-ivory:#f5efe5;--pcaa-gold:#e6ba74;--pcaa-ease:cubic-bezier(.2,.85,.2,1)}
html{scroll-behavior:smooth}
body{overflow-x:clip}
/* consistent hierarchy, rather than tiny global headline overrides */
body:not(.pcaa-login-body) .hero h1{font-size:clamp(2.85rem,5.1vw,5.9rem)!important;line-height:1.04!important;letter-spacing:-.065em!important}
body:not(.pcaa-login-body) .display-title,body:not(.pcaa-login-body) .framework-intro h2,body:not(.pcaa-login-body) .voices-lead h2,body:not(.pcaa-login-body) .mosaic-heading h2,body:not(.pcaa-login-body) .manifesto-head{font-size:clamp(2.45rem,4.15vw,4.85rem)!important;line-height:1.065!important;letter-spacing:-.055em!important}
body:not(.pcaa-login-body) .touch-content h2,body:not(.pcaa-login-body) .join-panel h2{font-size:clamp(2.65rem,4.7vw,5.6rem)!important;line-height:1.045!important;letter-spacing:-.055em!important}
body:not(.pcaa-login-body) .i3-case-caption h3,body:not(.pcaa-login-body) .small-art-title{font-size:clamp(1.16rem,1.58vw,1.62rem)!important;line-height:1.16!important;letter-spacing:-.025em!important;max-width:23ch!important}
body:not(.pcaa-login-body) .i3-case-caption p{font-size:clamp(.85rem,.9vw,1rem)!important;line-height:1.5!important;max-width:30ch}
body:not(.pcaa-login-body) .inner-hero h1,body:not(.pcaa-login-body) .inside-hero h1{font-size:clamp(2.75rem,5vw,5.4rem)!important;line-height:1.08!important}
body:not(.pcaa-login-body) h3:not(.i3-case h3){letter-spacing:-.025em}
/* nav items legible */
#header .nav-links a,#site-header .desktop-nav a{font-size:clamp(.93rem,1vw,1.05rem)!important;font-weight:650!important;line-height:1.3!important;letter-spacing:.015em!important;text-transform:none!important;padding:10px 12px!important;border-radius:10px;position:relative;transition:background .32s,color .32s,box-shadow .32s,transform .32s}
#header .nav-links a:hover,#header .nav-links a:focus-visible,#site-header .desktop-nav a:hover,#site-header .desktop-nav a:focus-visible{color:#fff!important;transform:translateY(-2px)}
#header .nav-links a:nth-child(4n+1):hover,#site-header .desktop-nav a:nth-child(4n+1):hover{background:linear-gradient(125deg,#053a25,#118052)!important}
#header .nav-links a:nth-child(4n+2):hover,#site-header .desktop-nav a:nth-child(4n+2):hover{background:linear-gradient(125deg,#b50d34,#ef4051)!important}
#header .nav-links a:nth-child(4n+3):hover,#site-header .desktop-nav a:nth-child(4n+3):hover{background:linear-gradient(125deg,#91511d,#d49948)!important}
#header .nav-links a:nth-child(4n+4):hover,#site-header .desktop-nav a:nth-child(4n+4):hover{background:linear-gradient(125deg,#29496d,#4b88a9)!important}
#header .nav-links a:focus-visible,#site-header .desktop-nav a:focus-visible{outline:2px solid #ffe6aa;outline-offset:3px}
#header .nav-shell{padding-inline:clamp(16px,2vw,36px)!important;gap:12px}
#header .nav-links{gap:clamp(2px,.5vw,10px)!important}
#site-header .desktop-nav{gap:clamp(0px,.35vw,8px)!important}
#site-header .mobile-menu a{font-size:clamp(1.07rem,2vw,1.25rem)!important;line-height:1.4;padding:13px 16px;display:block;border-radius:12px;transition:background .3s,color .3s,transform .3s}
#site-header .mobile-menu a:nth-child(4n+1):hover{background:#126a48!important}
#site-header .mobile-menu a:nth-child(4n+2):hover{background:#ce264b!important}
#site-header .mobile-menu a:nth-child(4n+3):hover{background:#a36a29!important}
#site-header .mobile-menu a:nth-child(4n+4):hover{background:#375876!important}
/* Home overlay: each menu link receives its own hover color panel */
#menu-overlay .menu-primary a,#menu-overlay .menu-secondary a{display:block!important;font-size:clamp(1.22rem,2vw,2.05rem)!important;line-height:1.23!important;letter-spacing:-.035em!important;padding:clamp(11px,1.4vh,17px) 19px!important;border-radius:13px;transition:background .35s var(--pcaa-ease),color .3s,transform .4s var(--pcaa-ease)!important}
#menu-overlay .menu-secondary a{font-size:clamp(1.03rem,1.35vw,1.35rem)!important}
#menu-overlay .menu-primary a:hover,#menu-overlay .menu-secondary a:hover,#menu-overlay .menu-primary a:focus-visible,#menu-overlay .menu-secondary a:focus-visible{color:#fff!important;transform:translateX(7px)!important;text-decoration:none!important}
#menu-overlay .menu-primary a:nth-child(5n+1):hover,#menu-overlay .menu-secondary a:nth-child(5n+1):hover{background:linear-gradient(110deg,#af1436,#e03453)!important}
#menu-overlay .menu-primary a:nth-child(5n+2):hover,#menu-overlay .menu-secondary a:nth-child(5n+2):hover{background:linear-gradient(110deg,#075d38,#148853)!important}
#menu-overlay .menu-primary a:nth-child(5n+3):hover,#menu-overlay .menu-secondary a:nth-child(5n+3):hover{background:linear-gradient(110deg,#9d6a25,#d09d45)!important}
#menu-overlay .menu-primary a:nth-child(5n+4):hover,#menu-overlay .menu-secondary a:nth-child(5n+4):hover{background:linear-gradient(110deg,#2c5477,#4d83ab)!important}
#menu-overlay .menu-primary a:nth-child(5n+5):hover,#menu-overlay .menu-secondary a:nth-child(5n+5):hover{background:linear-gradient(110deg,#5d3276,#9c569e)!important}
#menu-overlay .menu-grid{column-gap:clamp(28px,6vw,92px)}
#menu-overlay.menu-overlay{overflow-y:auto;overscroll-behavior:contain}
/* Correct touch compositing: canvas and haze behind every text node and CTA */
#touch.touch-section{isolation:isolate!important;z-index:auto!important;position:relative!important;min-height:100svh!important;overflow:hidden!important}
#touch .model-canvas,#touch #touch-canvas{position:absolute!important;inset:0!important;width:100%!important;height:100%!important;z-index:1!important;pointer-events:none!important;transform:none!important}
#touch::before{z-index:0!important;pointer-events:none!important}
#touch::after{z-index:2!important;pointer-events:none!important}
#touch .touch-grid{position:relative!important;z-index:20!important;isolation:isolate!important;pointer-events:none!important;width:100%;min-height:100svh!important;display:flex!important;align-items:center!important;padding:clamp(34px,6vw,90px)!important}
#touch .touch-content{position:relative!important;z-index:21!important;max-width:min(440px,86vw)!important;pointer-events:auto!important;isolation:isolate!important;padding:clamp(24px,3vw,34px)!important;border:1px solid #f3deb62b!important;background:linear-gradient(150deg,#061813cc,#08251bb3)!important;backdrop-filter:blur(12px)!important;box-shadow:0 28px 86px #0006!important}
#touch .touch-content h2,#touch .touch-content p,#touch .touch-content a{position:relative!important;z-index:22!important;color:#fff}
#touch .touch-content h2 em{color:#f35b70!important}
#touch .touch-content a{color:#ffe1ae!important}
/* Show only one 3D model in temple scene. DOM overlay never intercepts CTAs. */
#join.story-fullbleed{isolation:isolate!important;position:relative!important}
#join.story-fullbleed .temple-canvas{z-index:1!important;pointer-events:none!important}
#join.story-fullbleed .temple-shade{z-index:3!important;pointer-events:none!important}
#join.story-fullbleed::before,#join.story-fullbleed::after{pointer-events:none!important;z-index:2!important}
#join.story-fullbleed h2,#join.story-fullbleed p,#join.story-fullbleed .join-button{z-index:10!important;position:relative!important}
/* Expanded membership landing and registration card */
body[data-page="/membership/"]{background:#f5f0e8}
.signup-landing{min-height:74svh;position:relative;display:flex;align-items:center;isolation:isolate;color:#fff;overflow:hidden;background:#081813}
.signup-landscape{position:absolute;inset:0;z-index:-2;background:url('/assets/campuses/peking.webp') center 45%/cover no-repeat;transform:scale(1.04);animation:pcaa-hero-breathe 19s ease-in-out infinite alternate}
.signup-landing:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,#041f1bf2 2%,#052720cc 42%,#37111d80 70%,#16151460),linear-gradient(0deg,#081611d6,transparent 58%)}
.signup-landing-inner{position:relative;z-index:2;padding-top:clamp(142px,15vh,190px)!important;padding-bottom:clamp(66px,8vh,100px)!important}
.signup-kicker{color:#f6bf91;letter-spacing:.21em;font-size:.81rem;font-weight:750;text-transform:uppercase}
.signup-landing h1{font-size:clamp(3.2rem,6vw,6.75rem)!important;font-weight:750;line-height:1.02;letter-spacing:-.07em;max-width:14ch;margin:22px 0 21px}
.signup-landing h1 em{font-family:'Playfair Display',Georgia,serif;font-weight:500;color:#ffccaa}
.signup-landing p{font-size:clamp(1.02rem,1.2vw,1.17rem);line-height:1.7;max-width:44ch;color:#eeeae4}
.signup-top-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:29px}
.signup-solid-link,.signup-outline-link,.signup-submit{display:inline-flex;gap:22px;align-items:center;justify-content:space-between;padding:16px 22px;font-weight:750;text-decoration:none;border-radius:10px;transition:transform .3s,background .3s}
.signup-solid-link{background:#c3193d;color:#fff}.signup-outline-link{border:1px solid #fff7;background:#182f2694;color:white}
.signup-solid-link:hover,.signup-outline-link:hover,.signup-submit:hover{transform:translateY(-3px)}
.signup-ambient-word{position:absolute;bottom:0;right:4vw;color:#fff3;font-size:clamp(5rem,18vw,20rem);font-family:serif;line-height:1;pointer-events:none}
.signup-main{background:linear-gradient(155deg,#f4efe6,#e9e8df);padding:clamp(74px,8vw,122px) 0;color:#122b20}
.signup-split{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(380px,.94fr);gap:clamp(30px,6vw,95px);align-items:start}
.signup-advantages{min-width:0;padding:26px 0}.signup-advantages .signup-kicker{color:#aa1532}
.signup-advantages h2{font-size:clamp(2.7rem,4.3vw,4.85rem)!important;line-height:1.065;letter-spacing:-.06em;max-width:12ch;margin:20px 0}.signup-advantages h2 em{color:#b11638}
.signup-advantages>p{font-size:1.05rem;max-width:48ch;line-height:1.8;color:#4f675a}
.signup-benefit-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:38px}
.signup-benefit-grid article{background:#fffffff2;border:1px solid #0c46201d;border-radius:16px;padding:25px 22px;box-shadow:0 10px 28px #0934220a;transition:transform .35s,box-shadow .35s}
.signup-benefit-grid article:hover{transform:translateY(-7px);box-shadow:0 25px 40px #09342222}
.signup-benefit-grid article span{display:block;font:700 .8rem 'DM Sans',sans-serif;color:#bc183c;margin-bottom:18px}
.signup-benefit-grid article strong{font-size:1.4rem;display:block;margin-bottom:9px;color:#0b3022}.signup-benefit-grid article p{font-size:.94rem;line-height:1.6;color:#637567}
.signup-registration-panel{background:linear-gradient(160deg,#ae1234,#720d27 63%,#25101b);color:#fff;border-radius:22px;padding:clamp(28px,3vw,45px);box-shadow:0 35px 76px #200d1e26;position:relative;overflow:hidden;isolation:isolate}
.signup-registration-panel:before{content:'';position:absolute;inset:0;z-index:-1;background:radial-gradient(circle at 85% 25%,#efbb8d4d,transparent 34%),radial-gradient(circle at 3% 86%,#1d8c6b44,transparent 33%)}
.signup-register-top,.signup-register-bottom{display:flex;align-items:center;gap:12px;justify-content:space-between;font-size:.71rem;font-weight:800;letter-spacing:.09em;color:#fce8d2}
.signup-status{border:1px solid #ffe5b277;border-radius:25px;padding:8px 10px;text-align:center;color:#ffdc9a}
.signup-symbol{margin:40px 0 25px;border:1px solid #f1e0bb61;border-radius:60px;width:76px;height:76px;display:flex;align-items:center;justify-content:center;font:1.5rem serif;color:#fff1d4}.signup-symbol span{color:#ffc794;margin-inline:4px;font-size:.8rem}
.signup-registration-panel h2{font-size:clamp(2.2rem,3.3vw,3.8rem)!important;line-height:1.06;margin:0 0 19px;font-weight:700}.signup-registration-panel h2 em{color:#ffd6ab;font-family:'Playfair Display',Georgia,serif}
.signup-registration-panel>p{font-size:1.01rem;line-height:1.8;color:#f7e7e9}
.signup-awaiting{display:flex;gap:13px;padding:22px;border-radius:15px;background:#ffffff12;border:1px solid #fff3;margin:28px 0}
.signup-awaiting-dot{display:block;width:10px;height:10px;flex:0 0 10px;border-radius:50%;background:#f8c479;box-shadow:0 0 0 6px #f8c47922;margin-top:7px}
.signup-awaiting strong{display:block;font-size:1rem;color:#fff4df}.signup-awaiting p{font-size:.9rem;line-height:1.65;color:#f3d5d7;margin-top:8px}
.signup-submit{width:100%;color:#17261c;background:#f4e3bd;margin-top:13px;text-align:left}.signup-submit:hover{background:#fff1cd}
.signup-register-bottom{border-top:1px solid #fff3;margin-top:32px;padding-top:21px}
/* Dedicated login design */
.pcaa-login-body{margin:0;background:#06140f;color:#f6f0e6;font-family:'Manrope',sans-serif;min-height:100svh;display:flex;flex-direction:column}
.pcaa-login-body *{box-sizing:border-box}.pcaa-login-body a{color:inherit;text-decoration:none}
.login-site-nav{height:90px;position:absolute;z-index:20;top:0;left:0;right:0;display:flex;align-items:center;padding:0 clamp(20px,5vw,76px);gap:38px;background:linear-gradient(90deg,#a40c2ef2,#850d2bef 70%,#07371ff2);backdrop-filter:blur(14px)}
.login-brand{display:flex;align-items:center;gap:13px;flex-shrink:0}.login-brand-icon{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border:1px solid #e5cca7;border-radius:50%;font:1.13rem serif;color:#faeaca}.login-brand-icon span{color:#ffd37b;margin-inline:2px;font-size:.65rem}
.login-brand strong{font-size:1.5rem;letter-spacing:.04em;line-height:1.05}.login-brand small{display:block;font-size:.62rem;letter-spacing:.065em;line-height:1.3;margin-top:3px}
.login-site-nav nav{display:flex;gap:25px;margin-left:auto}.login-site-nav nav a{font-size:.96rem;font-weight:700;border-radius:8px;padding:10px 11px;transition:background .3s}.login-site-nav nav a:hover{background:#fff2}
.login-header-cta{display:inline-flex;padding:13px 18px;border:1px solid #e9cc99a6;border-radius:10px;font-size:.92rem;font-weight:700}
.login-layout{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(420px,.96fr);min-height:100svh}
.login-art{position:relative;isolation:isolate;overflow:hidden;display:flex;align-items:flex-end;padding:140px clamp(30px,7vw,110px) 95px;min-height:720px}
.login-art-photo{position:absolute;inset:0;z-index:-2;background:url('/assets/campuses/zhejiang.webp') center/cover no-repeat;filter:saturate(.92)}
.login-art:before{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,#03180ee8,transparent 65%),linear-gradient(90deg,#05251ae0,#242b1b35)}
.login-eyebrow,.login-overline{font-size:.78rem;font-weight:750;letter-spacing:.22em;color:#f4c790}
.login-art h1{font-size:clamp(2.9rem,4.5vw,5.2rem);line-height:1.06;letter-spacing:-.06em;max-width:13ch;margin:22px 0}.login-art h1 em{color:#ffc5ad;font-family:'Playfair Display',Georgia,serif}
.login-art p{font-size:1.02rem;line-height:1.7;max-width:42ch;color:#f6ebdd}
.login-art-count{display:flex;align-items:center;gap:17px;font-size:.77rem;font-weight:700;letter-spacing:.18em;color:#fce4bd;margin-top:34px}.login-art-count i{height:1px;background:#e7cfaa;flex:1;max-width:74px}
.login-form-area{padding:150px clamp(26px,6vw,94px) 85px;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 100% 0,#aa16331d,transparent 45%),linear-gradient(145deg,#f7f1e7,#eee8dc);color:#142d23}
.login-form-card{width:min(100%,480px)}.login-form-card .login-overline{color:#b41639}.login-avatar{display:grid;place-items:center;border-radius:20px;width:68px;height:68px;margin:31px 0 22px;color:#fcf1dd;background:linear-gradient(135deg,#bc173b,#75102c);font:2.15rem serif;box-shadow:0 14px 26px #800c2f2b}
.login-form-card h2{font-size:clamp(2.75rem,4vw,4rem);line-height:1.07;letter-spacing:-.06em;margin:0 0 18px}.login-form-card h2 em{color:#bb1438;font-family:'Playfair Display',Georgia,serif}
.login-description{font-size:1.03rem;line-height:1.75;color:#667569;max-width:41ch}
.login-portal-status{display:flex;gap:16px;background:#fff;border:1px solid #dfd8c8;padding:20px 21px;border-radius:16px;margin:35px 0 22px}
.login-status-icon{flex:0 0 auto;color:#b71838;font-size:1.4rem}.login-portal-status strong{font-size:1rem}.login-portal-status p{font-size:.9rem;line-height:1.6;color:#68756e;margin:9px 0 0}
.login-primary-action,.login-secondary-action{display:flex;justify-content:space-between;align-items:center;padding:17px 21px;border-radius:10px;font-size:1rem;font-weight:750;transition:transform .25s,background .25s}
.login-primary-action{background:#bb1739;color:#fff!important}.login-primary-action:hover{background:#98112f;transform:translateY(-3px)}
.login-secondary-action{border:1px solid #c7c5ba;margin-top:11px}.login-secondary-action:hover{background:#ece2d3}
.login-bottom-line{font-size:.71rem;letter-spacing:.13em;font-weight:700;color:#a0a29a;margin-top:33px}.login-bottom-line span{color:#b61b3b}
.login-site-footer{display:flex;justify-content:space-between;gap:18px;padding:20px clamp(26px,6vw,90px);background:#061712;color:#b9d1c1;font-size:.83rem}
@keyframes pcaa-hero-breathe{from{transform:scale(1.04)}to{transform:scale(1.12)}}
@media(max-width:1180px){#header .nav-links{gap:1px!important}#header .nav-links a,#site-header .desktop-nav a{font-size:.88rem!important;padding:9px!important}.login-site-nav nav{gap:10px}}
@media(max-width:1000px){.signup-split{grid-template-columns:1fr}.signup-registration-panel{max-width:650px}.login-layout{grid-template-columns:1fr}.login-art{min-height:460px;padding:130px 34px 65px}.login-form-area{padding:75px 28px}.login-site-nav nav{display:none}}
@media(max-width:760px){body:not(.pcaa-login-body) .hero h1{font-size:clamp(2.8rem,9vw,4.4rem)!important}body:not(.pcaa-login-body) .display-title,body:not(.pcaa-login-body) .framework-intro h2,body:not(.pcaa-login-body) .voices-lead h2,body:not(.pcaa-login-body) .mosaic-heading h2,body:not(.pcaa-login-body) .manifesto-head{font-size:clamp(2.15rem,7vw,3.4rem)!important}#menu-overlay .menu-primary a{font-size:clamp(1.27rem,4vw,1.85rem)!important;padding:9px 14px!important}#menu-overlay .menu-secondary a{font-size:1.05rem!important;padding:8px 14px!important}#touch .touch-grid{align-items:flex-start!important;padding:110px 18px 40px!important}#touch .touch-content{max-width:310px!important;padding:22px!important}#touch .touch-content h2{font-size:clamp(2.55rem,7.5vw,3.6rem)!important}#join.story-fullbleed h2{font-size:clamp(2.7rem,8vw,4rem)!important}.signup-landing{min-height:77svh}.signup-landing-inner{padding-top:140px!important}.signup-landing h1{font-size:clamp(2.75rem,9vw,4.25rem)!important}.signup-benefit-grid{grid-template-columns:1fr 1fr;gap:10px}.signup-benefit-grid article{padding:18px 14px}.signup-benefit-grid article strong{font-size:1.18rem}.signup-register-top{flex-wrap:wrap}.login-site-nav{height:80px;padding:0 20px}.login-header-cta{padding:11px;font-size:.77rem}.login-art{min-height:510px;padding:128px 24px 40px}.login-art h1{font-size:clamp(2.5rem,8.5vw,3.7rem)}.login-site-footer{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.signup-landscape{animation:none}.signup-benefit-grid article{transition:none}#menu-overlay .menu-primary a,#menu-overlay .menu-secondary a{transition:none}}

.pcaa-scroll-reveal{opacity:0;transform:translate3d(0,27px,0);transition:opacity .7s ease,transform .85s cubic-bezier(.17,.85,.22,1);will-change:transform,opacity}.pcaa-scroll-reveal.scroll-entered{opacity:1;transform:translate3d(0,0,0)}@media(prefers-reduced-motion:reduce){.pcaa-scroll-reveal{opacity:1;transform:none;transition:none}}

/* Actual campus photos remain visible beneath the brand atmospheric treatment. */
.signup-landscape{background:#081813!important;overflow:hidden}.signup-landscape-image,.login-art-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;display:block;filter:contrast(1.12) saturate(.94)}.signup-landing:before{background:linear-gradient(100deg,#041f1bf0 0%,#052720a6 34%,#37111d4b 68%,#16151448),linear-gradient(0deg,#081611b5,transparent 62%)}.login-art-photo{background:#071713!important}.login-art:before{background:linear-gradient(0deg,#03180ee8,transparent 75%),linear-gradient(90deg,#05251abb,#242b1b35)}