/* Ayub Darwish — Premium Academic UI layer (2026-08-23)
   Presentation-only overrides. Existing app/API functionality remains unchanged. */
:root{
  --navy:#07172b;--navy2:#0d2849;--navy3:#153c68;--ink:#152236;--muted:#697689;
  --paper:#f4f2ec;--paper2:#fbfaf7;--white:#fff;--gold:#c6a15b;--gold2:#ead6a7;
  --goldsoft:#f3ead7;--line:#e6e0d5;--soft:#f0ede6;--success:#2f6f59;
  --shadow:0 24px 70px rgba(7,23,43,.09);--shadow-soft:0 12px 34px rgba(7,23,43,.065);
  --radius:24px;--max:1220px;
}
html{background:#06111f}
body{background:var(--paper2);color:var(--ink);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
::selection{background:var(--gold2);color:var(--navy)}
.container{width:min(var(--max),calc(100% - 42px))}

/* top identity bar */
.topline{background:#050f1d;color:#b9c6d6;font-size:.77rem;letter-spacing:.025em;border-bottom:1px solid rgba(255,255,255,.045)}
.topline .container{min-height:38px}
.topline strong{color:var(--gold2);font-weight:850}
.topline span:last-child{opacity:.75}

/* navigation */
.navwrap{background:rgba(251,250,247,.90);backdrop-filter:blur(20px) saturate(130%);border-bottom:1px solid rgba(224,218,206,.78);box-shadow:0 7px 30px rgba(7,23,43,.035)}
nav{height:82px}
.brand{gap:12px;letter-spacing:-.025em;color:var(--navy)}
.brand>div:last-child{line-height:1.12}
.brand small{color:#7a8594;font-size:.67rem;margin-top:4px;letter-spacing:.025em}
.seal{width:46px;height:46px;border:1px solid rgba(198,161,91,.78);background:radial-gradient(circle at 34% 28%,#1b477a,#07172b 72%);box-shadow:inset 0 0 0 5px rgba(255,255,255,.035),0 9px 24px rgba(7,23,43,.17);font-size:.96rem}
.navlinks{gap:5px}
.navlinks a{padding:10px 13px;border-radius:999px;color:#3b495b;font-size:.88rem;transition:.2s ease}
.navlinks a:hover,.navlinks a.active{background:#eee9df;color:var(--navy)}
.navlinks .auth-nav-cta{background:var(--navy);color:#fff!important;box-shadow:0 8px 18px rgba(7,23,43,.12)}
.navlinks .auth-nav-cta:hover{background:var(--navy3);color:white!important;transform:translateY(-1px)}
.menu{width:46px;height:46px!important;border-radius:14px!important;border:1px solid var(--line)!important;background:#fff!important;box-shadow:0 8px 22px rgba(7,23,43,.05);transition:.2s ease}
.menu:hover{transform:translateY(-1px);border-color:#d6ccb8!important}

/* type */
h1,h2{font-family:Georgia,"Times New Roman",serif;font-weight:700;color:var(--navy);letter-spacing:-.04em}
h1{font-size:clamp(3.25rem,7vw,6.8rem);line-height:1.01}
h2{font-size:clamp(2.15rem,4.2vw,3.75rem);line-height:1.07}
h3{color:var(--navy);letter-spacing:-.02em}
.eyebrow{color:#966f28;font-size:.7rem;letter-spacing:.17em}
.eyebrow:before{width:28px;background:linear-gradient(90deg,var(--gold),rgba(198,161,91,.05))}
.muted{color:var(--muted)}
.section{padding:100px 0}
.sectionhead{max-width:none;display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.68fr);gap:44px;align-items:end;margin-bottom:45px}
.sectionhead .eyebrow{grid-column:1/-1;margin-bottom:-22px}
.sectionhead h2{max-width:790px;margin-bottom:0}
.sectionhead p{justify-self:end;max-width:550px;margin-bottom:0;line-height:1.8}

/* buttons */
.btn{min-height:50px;padding:0 21px;box-shadow:none;transition:transform .22s ease,box-shadow .22s ease,background .22s ease}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--navy);color:white;box-shadow:0 10px 24px rgba(7,23,43,.13)}
.btn-primary:hover{background:#0e2e53;box-shadow:0 15px 30px rgba(7,23,43,.20)}
.btn-light{background:#fff;color:var(--navy);box-shadow:0 10px 28px rgba(0,0,0,.08)}
.btn-outline{border-color:#d7d1c6;background:rgba(255,255,255,.02)}

/* homepage hero */
.hero{padding:0;background:linear-gradient(135deg,#061325 0%,#0a1d35 50%,#12365f 100%)}
.hero:before{content:"";position:absolute;width:650px;height:650px;border-radius:50%;left:48%;top:-34%;background:radial-gradient(circle,rgba(198,161,91,.17),rgba(198,161,91,0) 64%);pointer-events:none}
.hero:after{width:540px;height:540px;right:-190px;bottom:-330px;border-color:rgba(255,255,255,.075);box-shadow:0 0 0 70px rgba(255,255,255,.022),0 0 0 140px rgba(255,255,255,.012)}
.herogrid{min-height:690px;padding:88px 0 82px;grid-template-columns:1.12fr .88fr;gap:72px}
.hero .eyebrow{color:var(--gold2)}
.hero h1{color:white;margin:18px 0 25px;max-width:800px}
.hero h1 span{color:var(--gold2)}
.lead{color:#c7d2df;font-size:1.1rem;line-height:1.82;max-width:740px;margin:0 0 30px}
.hero .btn-outline{color:white!important;border-color:rgba(255,255,255,.30)!important;background:rgba(255,255,255,.035)}
.hero .btn-outline:hover{background:rgba(255,255,255,.09)}
.herostats{gap:0;max-width:760px;margin-top:48px;padding-top:23px;border-top-color:rgba(255,255,255,.13)}
.herostats>div{padding-right:23px}
.herostats strong{color:#fff;font-size:1.02rem;letter-spacing:.005em}
.herostats span{color:#9dabc0;font-size:.76rem;margin-top:5px;display:block}
.profilecard{position:relative;padding:15px;border-radius:34px;background:linear-gradient(180deg,rgba(255,255,255,.11),rgba(255,255,255,.045));border:1px solid rgba(255,255,255,.14);box-shadow:0 34px 100px rgba(0,0,0,.25);backdrop-filter:blur(14px)}
.profilecard:before{content:"AD";position:absolute;right:-22px;top:-60px;font:700 10rem/1 Georgia,serif;color:rgba(234,214,167,.055);pointer-events:none}
.profilevisual{min-height:500px;border-radius:25px;background:#cfd8e2}
.profilevisual img{object-position:center 30%;transition:transform .8s ease}
.profilecard:hover .profilevisual img{transform:scale(1.018)}
.profilevisual:after{background:linear-gradient(180deg,rgba(5,16,31,0) 38%,rgba(5,16,31,.90) 100%)}
.profiletext{padding:0 23px 24px;color:white}
.profiletext strong{font-family:Georgia,serif;font-size:1.45rem;font-weight:700}
.profiletext span{display:block;color:#c0cddd;margin-top:4px;font-size:.82rem}

/* credibility row */
.trust{background:#fff;border-bottom:1px solid var(--line)}
.trustrow{min-height:94px}
.trustrow>strong{color:var(--navy);max-width:440px;font-family:Georgia,serif;font-size:1.05rem}
.trustitems{gap:23px;color:#637083;font-size:.84rem}
.dot{background:var(--gold);box-shadow:0 0 0 4px var(--goldsoft)}

/* cards / subject grids */
.grid3{gap:18px}.grid2{gap:24px}
.card{position:relative;border-color:var(--line);border-radius:24px;padding:25px;background:rgba(255,255,255,.94);box-shadow:var(--shadow-soft);overflow:hidden}
.card:before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,var(--gold),transparent 58%);opacity:.72}
.card:hover{transform:translateY(-5px);border-color:#d9cfba;box-shadow:var(--shadow)}
.subjectcard{min-height:238px;display:block}
.subjectcard:after{right:13px;bottom:-18px;font-size:5.1rem;color:#f0ece3}
.subjectmeta{margin-bottom:23px;font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:#8b6b30}
.marks{background:var(--goldsoft);padding:5px 9px;border-radius:999px;color:#6d531e}
.subjectcard h3{font:700 1.45rem/1.2 Georgia,serif;margin-bottom:11px}
.subjectcard p{font-size:.91rem;line-height:1.7}
.pill{background:#fbfaf7;border:1px solid var(--line);color:#6f7886;font-size:.69rem;padding:5px 8px;margin-top:7px}

/* study architecture */
.academicband{background:radial-gradient(circle at 82% 12%,rgba(198,161,91,.13),transparent 25%),linear-gradient(135deg,#0d294a,#07172b);position:relative;overflow:hidden}
.academicband:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to right,transparent,black);pointer-events:none}
.academicband .container{position:relative;z-index:1}
.academicband h2,.academicband h3{color:white}
.academicband .eyebrow{color:var(--gold2)}
.course{grid-template-columns:76px 1fr 46px;padding:27px 0;border-top-color:rgba(255,255,255,.12)}
.courseno{color:var(--gold2);font-size:1.5rem}
.course h3{margin-bottom:5px;font-size:1.08rem}
.course p{color:#aebdce;margin:0}
.roundarrow{border-color:rgba(255,255,255,.20);color:var(--gold2)}

/* quote and information */
.quote{background:linear-gradient(135deg,#eee5d2,#faf6ed);color:var(--navy);border:1px solid #e1d4bb;border-radius:30px;box-shadow:none;padding:40px}
.quote .mark{color:var(--gold)}
.quote blockquote{color:var(--navy);font-size:clamp(1.45rem,2.4vw,2.35rem);line-height:1.3}
.quote .sig{color:#87662b}
.factgrid{gap:12px;margin-top:23px}
.fact{border-color:var(--line);border-radius:17px;background:#fff;padding:18px;box-shadow:0 8px 24px rgba(7,23,43,.035)}
.fact b{color:var(--navy)}

/* CTA */
.cta{padding:48px;border-radius:32px;background:radial-gradient(circle at 82% 12%,rgba(234,214,167,.15),transparent 28%),linear-gradient(135deg,#07172b,#12365f);box-shadow:0 28px 70px rgba(7,23,43,.15);position:relative;overflow:hidden}
.cta:after{content:"";position:absolute;width:320px;height:320px;border:1px solid rgba(255,255,255,.075);border-radius:50%;right:-100px;top:-120px;box-shadow:0 0 0 55px rgba(255,255,255,.018),0 0 0 110px rgba(255,255,255,.012)}
.cta>div,.cta>.actions{position:relative;z-index:1}
.cta h2{color:white;font-size:clamp(2rem,3.6vw,3.25rem)}
.cta .eyebrow{color:var(--gold2)}

/* internal page heroes */
.pagehero{position:relative;overflow:hidden;padding:83px 0 75px;background:linear-gradient(135deg,#061325,#0b213c 58%,#11335b)}
.pagehero:before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;right:-200px;top:-300px;border:1px solid rgba(255,255,255,.07);box-shadow:0 0 0 55px rgba(255,255,255,.015),0 0 0 110px rgba(255,255,255,.01)}
.pagehero .container{position:relative;z-index:1}
.pagehero h1,.pagehero h2{color:white;margin:13px 0 16px;max-width:920px}
.pagehero .eyebrow{color:var(--gold2)}
.pagehero p{color:#b9c7d7;line-height:1.78;max-width:790px}
.breadcrumbs{font-size:.78rem;color:#91a2b7;margin-bottom:18px}
.breadcrumbs a{color:#d5dde8}
.subjecthero{align-items:center}
.bigmarks{padding:20px 0 20px 40px;border-left:1px solid rgba(255,255,255,.12);min-width:170px}
.bigmarks strong{font-size:3.7rem;color:var(--gold2);line-height:.9}
.bigmarks span{display:block;margin-top:10px;color:#9fb0c4;letter-spacing:.08em;text-transform:uppercase;font-size:.68rem}

/* library */
.library{border-color:var(--line);border-radius:30px;padding:38px;background:#fff;box-shadow:var(--shadow-soft)}
.searchbar,.global-search-box{border-radius:18px;padding:8px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 34px rgba(7,23,43,.055)}
.searchbar input,.global-search-box input{border:0!important;background:transparent;min-height:48px;padding:0 13px;box-shadow:none!important}
.resource{position:relative;padding:19px 20px;border-color:var(--line);border-radius:17px;background:#fff;transition:.22s ease;overflow:hidden}
.resource:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(var(--gold),transparent);opacity:.45}
.resource:hover{transform:translateY(-2px);border-color:#d9cfba;box-shadow:var(--shadow-soft)}
.resource b{font-family:Georgia,serif;font-size:1.02rem}
.status{background:#eaf5ef;color:var(--success)}
.status.soon{background:var(--goldsoft);color:#76591f}
.empty,.search-empty,.subject-files-empty,.syllabus-empty{background:#fcfbf8!important;border-color:#dcd5c9!important;color:#738092!important}

/* dynamic subject files */
.subject-files-panel{border-color:var(--line);border-radius:27px;padding:29px;background:#fff;box-shadow:var(--shadow-soft)}
.subject-files-top{padding-bottom:15px;border-bottom:1px solid var(--line);margin-bottom:13px}
.subject-files-top h3{font:700 1.4rem/1.2 Georgia,serif}
.subject-files-total{background:var(--goldsoft);color:#73561f}
.subject-folder,.subject-root-files{border-color:var(--line);border-radius:17px}
.subject-folder summary,.subject-root-title{background:#f8f5ef;color:var(--navy)}
.subject-folder summary:hover{background:#f3eee5}
.subject-folder-count{background:#fff;border-color:#ddd6c9}
.subject-file-row{border-top-color:#eee9e0;padding:15px 0}
.subject-file-open{background:var(--navy);box-shadow:0 8px 17px rgba(7,23,43,.10)}
.subject-file-open:hover{background:#10355f;transform:translateY(-1px)}
.subject-video-open{border-color:#d9bd7b;background:#fff8e9;color:#6d511c}
.subject-folder-children{border-left-color:#e4d9c7}

/* quick tools & syllabus */
.quick-tools{gap:15px}
.quick-tool{position:relative;min-height:132px;border-color:var(--line);border-radius:20px;padding:21px;background:#fff;box-shadow:0 10px 28px rgba(7,23,43,.045);transition:.22s ease;overflow:hidden}
.quick-tool:after{content:"→";position:absolute;right:17px;bottom:13px;width:30px;height:30px;border-radius:50%;background:#f0ece3;color:var(--navy);display:grid;place-items:center;font-weight:900;transition:.2s ease}
.quick-tool:hover{transform:translateY(-4px);border-color:#d7c9af;box-shadow:var(--shadow-soft)}
.quick-tool:hover:after{background:var(--navy);color:#fff;transform:translateX(2px)}
.quick-tool b{font-family:Georgia,serif;font-size:1.07rem;padding-right:32px}
.quick-tool small{line-height:1.55;padding-right:24px}
.syllabus-grid{gap:15px}
.syllabus-card{position:relative;border-color:var(--line);border-radius:19px;padding:21px;background:#fff;box-shadow:0 9px 24px rgba(7,23,43,.04);overflow:hidden}
.syllabus-card:before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:linear-gradient(var(--gold),transparent);opacity:.48}
.syllabus-card:hover{border-color:#d7c9af;box-shadow:var(--shadow-soft)}
.syllabus-card strong{font-family:Georgia,serif;font-size:1.03rem}
.syllabus-group h3,.group-title{font-family:Georgia,serif;color:var(--navy)}
.syllabus-after,.syllabus-paper{border-color:var(--line)!important;border-radius:20px!important;background:#fff!important;box-shadow:0 10px 28px rgba(7,23,43,.04)}
.syllabus-note{background:#fbf4e5;border-color:#e9d2a0;color:#664c19}

/* search, filters, paper and quiz interfaces */
.search-results{gap:12px}
.search-result{border-color:var(--line);border-radius:18px;padding:18px 20px;background:#fff;box-shadow:0 8px 22px rgba(7,23,43,.035);transition:.2s ease}
.search-result:hover{transform:translateY(-2px);border-color:#d7c9af}
.search-kind{color:#8d6928}
.filter-row{padding:13px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow-soft);margin-bottom:26px}
.filter-row select,.filter-row input{min-height:48px;border-color:#ddd6c9;background:#fcfbf8;border-radius:12px;outline:none}
.filter-row select:focus,.filter-row input:focus{border-color:#b89555;box-shadow:0 0 0 3px rgba(198,161,91,.13)}
.quiz-card,.paper-card,.quiz-question{border-color:var(--line);border-radius:20px;background:#fff;box-shadow:0 10px 28px rgba(7,23,43,.04)}
.quiz-card h3,.paper-card h3,.quiz-question h3{font-family:Georgia,serif}
.quiz-option{border-color:var(--line);background:#fcfbf8;border-radius:13px;transition:.18s ease}
.quiz-option:hover{background:#f7f2e9;border-color:#d5c29c}
.asked-badge{background:var(--goldsoft);color:#76591f}
.topic-chip{background:#f2efe8;color:#596777}

/* about / contact */
.profilephoto-small{max-width:470px;aspect-ratio:4/5;border-radius:28px;border:1px solid #ded6c8;box-shadow:0 24px 60px rgba(7,23,43,.12);object-position:center 28%}
.contact-email{background:#fff;border-color:var(--line);border-radius:13px;color:var(--navy);word-break:break-word}
.social-links a{color:#123e6a;transition:.18s}.social-links a:hover{color:#8d6928;text-decoration:none;transform:translateX(2px)}

/* drawer */
.drawer-backdrop{background:rgba(2,9,18,.62)}
.site-drawer{background:#fbfaf7;padding:24px;box-shadow:-36px 0 100px rgba(2,14,27,.26)}
.drawer-head{border-bottom-color:var(--line)}
.drawer-head strong{font-family:Georgia,serif;font-size:1.25rem}
.drawer-close{background:#fff;border-color:var(--line)}
.drawer-search{background:var(--navy);border-radius:13px;box-shadow:0 10px 24px rgba(7,23,43,.12)}
.drawer-group{border-top-color:#e9e4da}.drawer-group b{color:#936f2d}.drawer-group a:hover{background:#efeae0}

/* fixed owner tools */
.secure-tools{background:rgba(5,15,29,.92);border-color:rgba(255,255,255,.12);box-shadow:0 16px 38px rgba(2,12,24,.27)}
.secure-tool-link{background:#102f54}.secure-tool-link:hover{background:#174b80}.secure-logout-btn{background:var(--gold2)}

/* footer */
footer{background:#050f1d;color:#9eacbd;padding:52px 0 45px;border-top:1px solid rgba(255,255,255,.045)}
.footergrid{align-items:flex-end}
.footergrid strong{font-family:Georgia,serif;color:#fff;font-size:1.28rem}
.footergrid a{color:#d4dce6}.footergrid a:hover{color:var(--gold2)}
.footergrid .mini p{font-size:.86rem;max-width:520px;margin-top:8px}

/* subtle load motion */
@media(prefers-reduced-motion:no-preference){
  .hero .herogrid>div:first-child,.pagehero .container{animation:adRise .55s ease both}
  .profilecard{animation:adRise .65s .08s ease both}
  .card,.quick-tool,.resource,.subject-files-panel{transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
  @keyframes adRise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
}

@media(max-width:1000px){
  .navlinks{display:none}
  .herogrid{grid-template-columns:1fr;gap:45px;min-height:auto;padding:72px 0 68px}
  .profilecard{max-width:660px}.profilevisual{min-height:560px}
  .sectionhead{grid-template-columns:1fr;gap:15px}.sectionhead .eyebrow{grid-column:auto;margin-bottom:0}.sectionhead p{justify-self:start}
  .grid3{grid-template-columns:repeat(2,1fr)}
  .quick-tools,.syllabus-grid{grid-template-columns:repeat(2,1fr)}
  .subjecthero{grid-template-columns:1fr auto}
}
@media(max-width:680px){
  .container{width:min(var(--max),calc(100% - 24px))}
  .topline .container{justify-content:center;text-align:center}.topline span:last-child{display:none}
  nav{height:72px}.brand small{display:none}.seal{width:42px;height:42px}
  .section{padding:72px 0}.pagehero{padding:62px 0 56px}
  h1{font-size:clamp(3rem,15vw,4.5rem)}h2{font-size:clamp(2rem,10.5vw,3rem)}
  .hero .herogrid{padding:58px 0 52px}.lead{font-size:1rem}
  .herostats{grid-template-columns:1fr;gap:13px}.herostats>div{padding:0 0 12px;border-bottom:1px solid rgba(255,255,255,.08)}
  .profilevisual{min-height:420px}.profilecard{padding:11px;border-radius:27px}.profilevisual{border-radius:20px}
  .trustrow{padding:22px 0;align-items:flex-start;flex-direction:column}.trustitems{gap:13px}
  .grid3,.grid2,.factgrid,.quick-tools,.syllabus-grid{grid-template-columns:1fr}
  .subjectcard{min-height:220px}.card{padding:22px}
  .course{grid-template-columns:48px 1fr}.roundarrow{display:none}
  .quote{padding:30px 25px}.library{padding:25px 18px}
  .cta{padding:34px 25px;display:block}.cta .actions{margin-top:24px}
  .subjecthero{grid-template-columns:1fr}.bigmarks{border-left:0;border-top:1px solid rgba(255,255,255,.12);padding:18px 0 0;text-align:left;min-width:0}
  .subject-files-panel{padding:20px 15px}
  .filter-row{display:grid}.filter-row .btn{width:100%}
  .global-search-box{display:grid}.global-search-box .btn{width:100%;margin-top:0}
  .footergrid{display:grid;grid-template-columns:1fr;gap:20px}
  .secure-tools{right:10px;bottom:10px}
}