/* PiTheory Learning — brand: navy #182084, green #2ECC93, Poppins */
[hidden]{display:none!important}
:root{
  --navy:#182084; --navy-deep:#10166A; --green:#2ECC93; --green-ink:#0B7A52;
  --paper:#F6F7FB; --sheet:#FFFFFF; --ink:#141833; --muted:#5B6180; --rule:#DDE1EE;
  --right:#0B7A52; --right-soft:#E1F7EE; --wrong:#C93B3B; --wrong-soft:#FCEBEB; --mark:#FFF3B0;
  --btn:#182084; --btn-ink:#FFFFFF; --link:#182084; --chip:#EEF0FA;
  --font:"Poppins","Segoe UI",system-ui,-apple-system,sans-serif;
  --radius:14px; --shadow:0 1px 2px rgba(20,24,51,.06),0 6px 24px rgba(20,24,51,.06);
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0C0F2B; --sheet:#151A42; --ink:#EEF0FA; --muted:#A5AACB; --rule:#2A3066;
  --right:#4ADBA6; --right-soft:#123A36; --wrong:#FF7A7A; --wrong-soft:#3B1C2E; --mark:#4D4520;
  --btn:#2ECC93; --btn-ink:#0C0F2B; --link:#7FE3BE; --chip:#1E2456; --green-ink:#4ADBA6;
  --shadow:none;
}}
:root[data-theme="dark"]{
  --paper:#0C0F2B; --sheet:#151A42; --ink:#EEF0FA; --muted:#A5AACB; --rule:#2A3066;
  --right:#4ADBA6; --right-soft:#123A36; --wrong:#FF7A7A; --wrong-soft:#3B1C2E; --mark:#4D4520;
  --btn:#2ECC93; --btn-ink:#0C0F2B; --link:#7FE3BE; --chip:#1E2456; --green-ink:#4ADBA6;
  --shadow:none;
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 80px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:1rem;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--link)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--green);outline-offset:2px;border-radius:6px}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
.narrow{max-width:800px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.brand .logo-dark{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .brand .logo-light{display:none}:root:not([data-theme="light"]) .brand .logo-dark{display:block}}
:root[data-theme="dark"] .brand .logo-light{display:none} :root[data-theme="dark"] .brand .logo-dark{display:block}

/* Header */
.top{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--paper) 90%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--rule)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:66px;gap:12px}
.brand img{height:28px;width:auto;display:block}
.nav{display:flex;align-items:center;gap:2px}
.nav a{white-space:nowrap;text-decoration:none;color:var(--ink);padding:8px 12px;border-radius:10px;font-weight:500;font-size:.95rem}
.nav a:hover{background:var(--chip)}
.nav a[aria-current="page"]{color:var(--link);font-weight:600}
.nav a.cta{background:var(--btn);color:var(--btn-ink);font-weight:600;margin-left:6px}
@media (max-width:820px){.nav .hide-sm{display:none}}
@media (max-width:420px){.nav a{padding:8px 9px;font-size:.88rem}.nav .long{display:none}.brand img{height:22px}}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:12px;border:2px solid var(--btn);background:var(--btn);color:var(--btn-ink);font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap;font-size:.98rem}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--btn)}
.btn.green{background:var(--green);border-color:var(--green);color:#0C0F2B}
.btn.wa{background:#1FAF55;border-color:#1FAF55;color:#fff}
.btn.light{background:#fff;border-color:#fff;color:#182084}
.btn.outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.chipbtn{border:1px solid var(--rule);background:var(--sheet);border-radius:999px;padding:7px 14px;cursor:pointer;font-size:.9rem;font-weight:500;white-space:nowrap}
.chipbtn[aria-pressed="true"]{background:var(--btn);border-color:var(--btn);color:var(--btn-ink)}
.link-btn{background:none;border:0;padding:8px 10px;border-radius:8px;cursor:pointer;font-weight:600;color:var(--ink);text-decoration:none;font-size:.9rem;display:inline-flex;align-items:center;gap:6px}
.link-btn:hover{background:var(--chip)}
.link-btn.primary{color:var(--link)}
.link-btn[aria-pressed="true"]{color:var(--green-ink)}

/* Hero (always navy, both themes) */
.hero{position:relative;background:#182084;color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:var(--chalk) center/cover no-repeat;opacity:.13;mix-blend-mode:screen}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;padding-top:56px;padding-bottom:64px}
.hero h1{font-size:clamp(2rem,4.8vw,3.3rem);font-weight:700;margin:0 0 16px;max-width:17ch}
.hero h1 em{font-style:normal;color:#2ECC93}
.hero .lede{font-size:1.1rem;color:rgba(255,255,255,.82);max-width:44ch;margin:0 0 26px}
.search{display:flex;gap:8px;max-width:480px}
.search input{flex:1;min-width:0;padding:14px 16px;border:0;border-radius:12px;background:#fff;color:#141833}
.hero .actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.stats{display:flex;gap:28px;flex-wrap:wrap;margin:30px 0 0;padding:0;list-style:none}
.stats b{display:block;font-size:1.6rem;color:#2ECC93;line-height:1.1}
.stats span{font-size:.88rem;color:rgba(255,255,255,.75)}
.hero .qotd-label{font-weight:600;font-size:.9rem;color:#2ECC93;margin:0 0 10px;letter-spacing:.04em;text-transform:uppercase}
.hero .q{color:var(--ink)}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;padding-top:36px;padding-bottom:44px;gap:34px}}

/* Sections */
.section{padding:64px 0}
.section.alt{background:var(--sheet);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.eyebrow{font-size:.82rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--green-ink);margin:0 0 8px}
.section h2{font-size:clamp(1.6rem,3.3vw,2.3rem);font-weight:700;margin:0 0 10px}
.section .sub{color:var(--muted);margin:0 0 30px;max-width:62ch;font-size:1.03rem}

/* Chapter grid */
.tabs{display:inline-flex;background:var(--chip);border-radius:12px;padding:4px;gap:4px;margin:0 0 22px}
.tabs button{border:0;background:transparent;padding:9px 18px;border-radius:9px;font-weight:600;cursor:pointer;color:var(--muted)}
.tabs button[aria-selected="true"]{background:var(--sheet);color:var(--ink);box-shadow:var(--shadow)}
.chap-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,235px),1fr));gap:12px;list-style:none;margin:0;padding:0}
.chap-grid[hidden]{display:none}
.chap{display:flex;flex-direction:column;gap:6px;height:100%;padding:16px 18px;border:1px solid var(--rule);border-radius:var(--radius);background:var(--sheet);text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
a.chap:hover{border-color:var(--navy);transform:translateY(-2px)}
.chap .no{font-size:.8rem;color:var(--muted);font-weight:500}
.chap .nm{font-weight:600;line-height:1.3}
.chap .ct{font-size:.85rem;color:var(--muted);margin-top:auto}
.chap.soon{opacity:.6}
.bar{height:5px;border-radius:99px;background:var(--chip);overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--green);border-radius:99px;transition:width .3s}

/* Trust / features */
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.trust div{padding:20px;border-radius:var(--radius);background:var(--paper);border:1px solid var(--rule)}
.trust b{display:block;margin:0 0 6px;font-size:1.02rem}
.trust p{margin:0;color:var(--muted);font-size:.93rem}
.trust svg{width:28px;height:28px;margin-bottom:10px;color:var(--green-ink)}
@media (max-width:900px){.trust{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.trust{grid-template-columns:1fr}}

/* Question card */
.q{background:var(--sheet);border:1px solid var(--rule);border-radius:var(--radius);padding:22px 22px 14px;box-shadow:var(--shadow);scroll-margin-top:90px}
.q[hidden]{display:none}
.q-head{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;margin:0 0 14px}
.q-id{font-size:.8rem;font-weight:600;color:var(--muted);margin-right:4px}
.tag{font-size:.75rem;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--chip);color:var(--ink);white-space:nowrap}
.tag.pyq{background:#182084;color:#fff}
.tag.top{background:var(--green);color:#0C0F2B}
.tag.easy{color:var(--right)} .tag.medium{color:#A8660B} .tag.hard{color:var(--wrong)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .tag.medium{color:#E8B75E}}
.q-status{margin-left:auto;font-size:.78rem;font-weight:600}
.q-status.c{color:var(--right)} .q-status.w{color:var(--wrong)}
.q-text{font-size:1.06rem;line-height:1.75;margin:0 0 14px}
.q-text p{margin:0 0 .6em}
.q-fig{margin:4px 0 18px;text-align:center}
.q-fig img,.opt-img{background:#fff;border-radius:10px;border:1px solid var(--rule);padding:6px;max-height:340px;width:auto}
.q-type{font-size:.82rem;color:var(--muted);margin:0 0 8px;font-weight:500}
.opts{list-style:none;margin:0 0 12px;padding:0;display:grid;gap:8px}
.opt{width:100%;display:flex;align-items:center;gap:14px;text-align:left;padding:11px 14px;background:var(--sheet);border:1px solid var(--rule);border-radius:12px;cursor:pointer;font-size:1rem}
.opt:hover:not(:disabled){border-color:var(--navy)}
.opt:disabled{cursor:default}
.opt-body{display:flex;flex-direction:column;gap:6px}
.opt-img{max-height:160px}
.bubble{flex:none;width:30px;height:30px;border-radius:50%;border:2px solid var(--navy);color:var(--navy);display:grid;place-items:center;font-weight:600;font-size:.85rem;transition:all .15s}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .bubble{border-color:var(--link);color:var(--link)}}
:root[data-theme="dark"] .bubble{border-color:var(--link);color:var(--link)}
.opt.right{background:var(--right-soft);border-color:var(--right)}
.opt.right .bubble{background:var(--right);border-color:var(--right);color:#fff}
.opt.wrong{background:var(--wrong-soft);border-color:var(--wrong)}
.opt.wrong .bubble{background:var(--wrong);border-color:var(--wrong);color:#fff}
.num{display:flex;gap:8px;margin:0 0 12px;flex-wrap:wrap}
.num input{width:200px;padding:11px 14px;border:1px solid var(--rule);border-radius:12px;background:var(--paper)}
.num input:focus{border-color:var(--navy);outline:none}
.feedback{font-weight:600;margin:0 0 8px}
.feedback:empty{display:none}
.feedback.ok{color:var(--right)} .feedback.no{color:var(--wrong)}
.q-foot{display:flex;gap:2px;flex-wrap:wrap;align-items:center;border-top:1px solid var(--rule);padding-top:10px;margin-top:6px}
.q-foot .spacer{flex:1}
.q-foot svg{width:17px;height:17px}
.solution{margin-top:12px;padding:18px 20px;border-left:4px solid var(--green);background:var(--paper);border-radius:0 12px 12px 0;line-height:1.75;overflow-x:auto}
.solution[hidden]{display:none}
.solution .ans{font-weight:600;margin:0 0 8px}
.solution .ans mark{background:var(--mark);color:inherit;padding:1px 6px;border-radius:4px}
.solution p{margin:.45em 0}
.solution .by{display:flex;align-items:center;gap:10px;margin:14px 0 0;padding-top:12px;border-top:1px dashed var(--rule);font-size:.85rem;color:var(--muted)}
.solution .by img{width:30px;height:30px;border-radius:50%;object-fit:cover}
.katex-display{overflow-x:auto;overflow-y:hidden;padding:4px 0}
.stack{display:grid;gap:18px}

/* Chapter page */
.page-head{background:#182084;color:#fff;padding:34px 0 30px}
.page-head .crumbs,.page-head .crumbs a{color:rgba(255,255,255,.75)}
.page-head h1{font-size:clamp(1.6rem,3.8vw,2.5rem);font-weight:700;margin:6px 0 10px}
.page-head p{margin:0;color:rgba(255,255,255,.82);max-width:64ch}
.page-head .meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;font-size:.92rem}
.page-head .meta b{color:#2ECC93}
.progress{display:flex;align-items:center;gap:14px;margin-top:18px;max-width:460px}
.progress .bar{flex:1;background:rgba(255,255,255,.18);height:8px}
.progress span{font-size:.88rem;white-space:nowrap;color:rgba(255,255,255,.85)}
.crumbs{font-size:.88rem;color:var(--muted);margin:0}
.crumbs a{color:inherit}
.toolbar{position:sticky;top:66px;z-index:30;background:color-mix(in srgb,var(--paper) 94%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--rule);padding:12px 0}
.toolbar .wrap{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;align-items:center}
.toolbar .wrap::-webkit-scrollbar{display:none}
.toolbar select{padding:7px 12px;border-radius:999px;border:1px solid var(--rule);background:var(--sheet);font-size:.9rem}
.toolbar .count{margin-left:auto;font-size:.88rem;color:var(--muted);white-space:nowrap;padding-left:10px}
.more{display:flex;justify-content:center;margin:26px 0 0}
.empty{padding:28px;text-align:center;border:2px dashed var(--rule);border-radius:var(--radius);color:var(--muted)}
.help{margin:32px 0;padding:24px;border-radius:var(--radius);background:#182084;color:#fff;display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.help p{margin:0;max-width:48ch;color:rgba(255,255,255,.85)}
.help b{display:block;font-size:1.15rem;margin-bottom:2px;color:#fff}
.pn{display:flex;justify-content:space-between;gap:12px;margin:12px 0 0;flex-wrap:wrap}
.related h2{font-size:1.25rem;margin:36px 0 10px}

/* Rows (search and related) */
.rows{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.rows li[hidden]{display:none}
.rows a{display:grid;gap:4px;padding:14px 4px;border-bottom:1px solid var(--rule);text-decoration:none;color:var(--ink)}
.rows a:hover .rq{color:var(--link)}
.rq{font-size:.98rem}
.rm{font-size:.82rem;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap}
.filters{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:0 0 14px}
.filters select,.filters input{width:100%;padding:11px 12px;border:1px solid var(--rule);border-radius:12px;background:var(--sheet)}
.filters .full{grid-column:1/-1}
@media (max-width:900px){.filters{grid-template-columns:1fr 1fr}}

/* Offer, faculty, testimonials */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split img.photo{border-radius:20px;width:100%;object-fit:cover}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:28px}}
.facts{list-style:none;margin:0 0 24px;padding:0;display:grid;gap:12px}
.facts li{display:flex;gap:12px;align-items:flex-start}
.facts li::before{content:"";flex:none;width:20px;height:20px;margin-top:2px;border-radius:50%;background:var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z' fill='%230C0F2B'/%3E%3C/svg%3E") center/14px no-repeat}
.prices{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 0 20px}
.price{padding:18px;border-radius:var(--radius);border:1px solid var(--rule);background:var(--sheet)}
.price span{display:block;color:var(--muted);font-size:.88rem}
.price b{font-size:1.5rem}
.price small{color:var(--muted)}
.faculty-photo{position:relative}
.faculty-photo img{border-radius:20px;width:100%;max-width:420px;aspect-ratio:3/4;object-fit:cover;display:block}
.faculty-photo::after{content:"";position:absolute;left:-14px;bottom:-14px;width:120px;height:120px;border-radius:20px;background:var(--green);z-index:-1}
.faculty-photo{z-index:0}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px;padding:0;list-style:none}
.tags li{border:1px solid var(--rule);background:var(--sheet);padding:6px 12px;border-radius:999px;font-size:.88rem}
.quotes{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.quote{padding:22px;border-radius:var(--radius);background:var(--sheet);border:1px solid var(--rule);margin:0}
.quote p{margin:0 0 14px}
.quote footer{font-size:.88rem;color:var(--muted);padding:0;border:0}
.quote footer b{color:var(--ink)}
.videos{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.yt{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#182084 center/cover no-repeat;border:0;padding:0;cursor:pointer;width:100%}
.yt::after{content:"";position:absolute;inset:0;margin:auto;width:64px;height:44px;border-radius:12px;background:rgba(0,0,0,.72) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8 5v14l11-7z' fill='white'/%3E%3C/svg%3E") center/26px no-repeat}
.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
@media (max-width:760px){.videos{grid-template-columns:1fr}}

/* FAQ */
.faq details{border-bottom:1px solid var(--rule)}
.faq details:first-of-type{border-top:1px solid var(--rule)}
.faq summary{cursor:pointer;padding:18px 4px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--green-ink);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 4px 18px;color:var(--muted);max-width:70ch}

/* Demo form */
.demo{background:#182084;color:#fff;border-radius:24px;overflow:hidden;display:grid;grid-template-columns:1fr 1fr}
.demo .copy{padding:40px}
.demo h2{color:#fff}
.demo .copy p{color:rgba(255,255,255,.82)}
.demo .pic{background:var(--demo-img) center/cover no-repeat;min-height:260px}
.form{background:var(--sheet);color:var(--ink);border-radius:var(--radius);padding:22px;margin-top:20px}
.form label{display:block;font-weight:600;font-size:.86rem;margin:0 0 6px}
.form input,.form select{width:100%;padding:11px 12px;border:1px solid var(--rule);border-radius:10px;background:var(--paper);margin:0 0 14px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form .btn{width:100%}
.form .fine{font-size:.8rem;color:var(--muted);margin:12px 0 0}
.form .err{color:var(--wrong);font-size:.85rem;margin:-8px 0 12px}
.form .done{color:var(--right);font-weight:600;margin:12px 0 0}
.contact-lines{list-style:none;margin:18px 0 0;padding:0;display:flex;gap:22px;flex-wrap:wrap}
.contact-lines a{color:#fff;font-weight:600}
.contact-lines span{display:block;font-size:.8rem;color:rgba(255,255,255,.7)}
@media (max-width:860px){.demo{grid-template-columns:1fr}.demo .pic{order:-1;min-height:200px}.demo .copy{padding:26px 20px}}

/* Footer */
.site-foot{background:#10166A;color:rgba(255,255,255,.75);padding:48px 0 36px;font-size:.92rem;margin-top:64px}
.site-foot .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.site-foot img{height:26px;width:auto;margin-bottom:12px}
.site-foot h4{color:#fff;margin:0 0 10px;font-size:.95rem}
.site-foot ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.site-foot a{color:rgba(255,255,255,.75);text-decoration:none}
.site-foot a:hover{color:#2ECC93}
.site-foot .legal{margin-top:32px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media (max-width:820px){.site-foot .cols{grid-template-columns:1fr 1fr}}
.prose{padding:40px 0}
.prose h2{font-size:1.3rem;margin:28px 0 8px}

.wa-float{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:50;width:56px;height:56px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.wa-float svg{width:30px;height:30px;fill:#fff}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:#141833;color:#fff;padding:10px 16px;border-radius:10px;font-size:.9rem;z-index:60;opacity:0;transition:opacity .2s;pointer-events:none}
.toast.show{opacity:1}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.top,.wa-float,.help,.q-foot,.site-foot,.toolbar{display:none}.solution[hidden]{display:block!important}}

/* keep grid children from stretching past the screen */
.hero .wrap>*,.split>*,.demo>*,.trust>*,.chap-grid>*{min-width:0}
@media (max-width:560px){
  .chap-grid{grid-template-columns:1fr 1fr;gap:10px}
  .chap{padding:12px 13px}
  .chap .nm{font-size:.92rem}
  .chap .ct{font-size:.78rem}
  .q{padding:18px 16px 12px}
  .stats{gap:18px}
  .stats b{font-size:1.35rem}
  .section{padding:48px 0}
}
@media (max-width:420px){.q-foot [data-act="share"] span,.q-foot [data-act="report"] span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.faculty-photo::after{left:-8px;bottom:-8px;width:80px;height:80px}}