:root {
  color-scheme: light;
  --primary-950:#061b33; --primary-900:#09294d; --primary-800:#0a3768;
  --primary-700:#0b5cad; --primary-600:#1473ce; --primary-100:#dbeafe; --primary-50:#eff6ff;
  --green-800:#245530; --green-700:#2e6b3a; --green-600:#3f8450; --green-100:#dff3e4; --green-50:#f2fbf4;
  --gold-500:#ffd740; --gold-100:#fff3b5;
  --ink-950:#101828; --ink-800:#1d2939; --ink-700:#344054; --ink-600:#475467; --ink-500:#667085;
  --ink-300:#d0d5dd; --ink-200:#e4e7ec; --ink-100:#f2f4f7;
  --surface:#fff; --surface-soft:#f7f9fc; --canvas:#f3f6fb;
  --success:#079455; --danger:#b42318; --warning:#b54708;
  --shadow-sm:0 1px 2px rgba(16,24,40,.05);
  --shadow-md:0 10px 30px rgba(16,24,40,.09);
  --shadow-lg:0 24px 70px rgba(6,27,51,.16);
  --radius-sm:10px; --radius-md:16px; --radius-lg:24px; --radius-xl:32px;
  --container:1200px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;min-width:320px;background:var(--canvas);color:var(--ink-950);font-family:"DM Sans",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65;text-rendering:optimizeLegibility}
body.menu-open{overflow:hidden}
h1,h2,h3,h4,p,blockquote{margin-top:0}
h1,h2,h3,h4,.brand-name{font-family:"Manrope",system-ui,sans-serif}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
:focus-visible{outline:3px solid rgba(255,215,64,.85);outline-offset:3px}
.container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
.section{padding:76px 0}.section-compact{padding:54px 0}.surface-section{background:var(--surface)}
.muted{color:var(--ink-600)}
.skip-link{position:fixed;z-index:999;left:16px;top:-80px;padding:10px 14px;border-radius:10px;background:#fff;color:var(--primary-800);font-weight:700;box-shadow:var(--shadow-md);transition:top .2s ease}.skip-link:focus{top:16px}
.icon{width:20px;height:20px;flex:0 0 auto;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* Header and navigation */
.topbar{position:sticky;top:0;z-index:100;background:rgba(6,27,51,.94);border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.nav-shell{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:11px;color:#fff;flex:0 0 auto}
.brand-mark{position:relative;width:40px;height:40px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(145deg,var(--green-600),var(--primary-600));box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 8px 24px rgba(20,115,206,.25);color:#fff;font-family:"Manrope",sans-serif;font-size:.88rem;font-weight:800;letter-spacing:-.04em}
.brand-mark::after{content:"";position:absolute;right:-3px;bottom:-3px;width:10px;height:10px;border:2px solid var(--primary-950);border-radius:50%;background:var(--gold-500)}
.brand-copy{display:grid;line-height:1.15}.brand-name{font-weight:800;letter-spacing:-.025em}.brand-tagline{color:#a8bad1;font-size:.68rem;font-weight:600}
.desktop-nav{display:flex;align-items:center;gap:2px}.desktop-nav a{padding:9px 9px;border-radius:9px;color:#c3d1e3;font-size:.82rem;font-weight:650;transition:color .2s ease,background .2s ease}.desktop-nav a:hover,.desktop-nav a[aria-current="page"]{background:rgba(255,255,255,.08);color:#fff}
.nav-actions{display:flex;align-items:center;gap:9px}.nav-app{display:inline-flex;align-items:center;gap:7px;min-height:42px;padding:0 14px;border-radius:12px;background:var(--gold-500);color:#2f2500;font-size:.82rem;font-weight:800;box-shadow:0 8px 24px rgba(255,215,64,.18)}
.menu-button{display:none;width:42px;height:42px;place-items:center;border:1px solid rgba(255,255,255,.12);border-radius:12px;background:rgba(255,255,255,.06);color:#fff}
.mobile-menu{display:none;position:fixed;inset:72px 0 auto;z-index:90;max-height:calc(100vh - 72px);overflow-y:auto;padding:14px 20px 22px;background:rgba(6,27,51,.99);border-bottom:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow-lg)}.mobile-menu.open{display:grid}.mobile-menu a{padding:13px 4px;color:#dbe7f5;border-bottom:1px solid rgba(255,255,255,.08);font-weight:650}.mobile-menu a:last-child{border-bottom:0;color:var(--gold-500)}
.status-bar{display:none;padding:9px 20px;background:#fff5d6;color:#694d00;border-bottom:1px solid #f1d680;text-align:center;font-size:.8rem;font-weight:600}.status-bar.show{display:block}

/* Hero */
.home-hero,.page-hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(circle at 12% 12%,rgba(63,132,80,.33),transparent 28%),radial-gradient(circle at 90% 4%,rgba(20,115,206,.4),transparent 33%),linear-gradient(145deg,var(--primary-950),#0b2949 58%,#11375d)}
.home-hero::before,.page-hero::before{content:"";position:absolute;inset:0;opacity:.22;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to bottom,black,transparent 88%)}
.home-hero{padding:84px 0 72px}.home-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(340px,.78fr);align-items:center;gap:60px}
.page-hero{padding:68px 0 82px}.page-hero-inner{position:relative;z-index:1;max-width:820px}.page-hero h1,.home-hero h1{margin-bottom:20px;font-size:clamp(2.45rem,5.6vw,4.8rem);line-height:1.03;letter-spacing:-.055em}.home-hero h1{max-width:720px}.accent{color:#8ed09d}.hero-copy{max-width:690px;margin-bottom:28px;color:#b8c8dc;font-size:clamp(1rem,1.5vw,1.13rem)}
.eyebrow{display:inline-flex;align-items:center;gap:9px;margin-bottom:18px;color:#d9e8f7;font-size:.76rem;font-weight:800;letter-spacing:.065em;text-transform:uppercase}.eyebrow-dot{width:8px;height:8px;border-radius:50%;background:var(--gold-500);box-shadow:0 0 0 6px rgba(255,215,64,.12)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:27px}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 21px;border:1px solid transparent;border-radius:13px;font-weight:800;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}.button:hover{transform:translateY(-2px)}.button-primary{background:linear-gradient(135deg,var(--green-600),var(--primary-600));color:#fff;box-shadow:0 14px 35px rgba(10,92,173,.3)}.button-secondary{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.17)}.button-light{background:#fff;color:var(--primary-800);box-shadow:var(--shadow-sm)}.button-outline{border-color:var(--ink-300);background:#fff;color:var(--primary-700)}
.hero-search{max-width:680px;display:flex;align-items:center;gap:10px;padding:8px;border:1px solid rgba(255,255,255,.16);border-radius:17px;background:rgba(255,255,255,.09);backdrop-filter:blur(12px)}.hero-search-label{display:flex;align-items:center;gap:10px;flex:1;min-width:0;padding-left:8px;color:#9db2ca}.hero-search input{width:100%;min-width:0;border:0;outline:0;background:transparent;color:#fff;font-size:.96rem}.hero-search input::placeholder{color:#9db2ca}.hero-search button{min-height:44px;padding-inline:18px}.hero-hints{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px;color:#8fa7c2;font-size:.78rem}.hero-hints span{padding:4px 8px;border-radius:7px;background:rgba(255,255,255,.05)}

/* Countdown */
.countdown-panel{position:relative;padding:24px;border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-xl);background:linear-gradient(160deg,rgba(255,255,255,.12),rgba(255,255,255,.045));box-shadow:0 30px 90px rgba(0,0,0,.25);backdrop-filter:blur(14px)}.panel-badge{display:inline-flex;align-items:center;gap:7px;margin-bottom:13px;padding:6px 10px;border:1px solid rgba(255,255,255,.12);border-radius:999px;background:rgba(255,255,255,.07);color:#caddf0;font-size:.7rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.panel-title{margin-bottom:5px;color:#fff;font-size:1.18rem}.panel-subtitle{margin-bottom:22px;color:#9fb4cd;font-size:.86rem}.countdown-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.countdown-unit{padding:14px 6px 11px;border:1px solid rgba(255,255,255,.09);border-radius:14px;background:rgba(2,14,28,.33);text-align:center}.countdown-value{display:block;color:var(--gold-500);font-family:"Manrope",sans-serif;font-size:1.55rem;font-weight:800;line-height:1}.countdown-label{display:block;margin-top:7px;color:#8299b4;font-size:.61rem;font-weight:700;text-transform:uppercase}.countdown-empty{color:#c5d5e5;font-size:.9rem}.countdown-panel.hidden-countdown .countdown-area{display:none}

/* Shared sections */
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:31px}.section-kicker{margin-bottom:8px;color:var(--primary-700);font-size:.74rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.section-heading h2{max-width:720px;margin-bottom:0;color:var(--ink-950);font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.15;letter-spacing:-.035em}.section-description{max-width:650px;margin:11px 0 0;color:var(--ink-600)}.section-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary-700);font-size:.88rem;font-weight:800;white-space:nowrap}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.link-card{position:relative;display:flex;flex-direction:column;min-height:225px;padding:25px;overflow:hidden;border:1px solid var(--ink-200);border-radius:22px;background:var(--surface);box-shadow:var(--shadow-sm);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.link-card:hover{transform:translateY(-5px);border-color:#adcbee;box-shadow:var(--shadow-md)}.link-card::after{content:"";position:absolute;width:130px;height:130px;right:-58px;bottom:-58px;border-radius:50%;background:var(--card-tint,var(--primary-50))}.card-icon{width:48px;height:48px;display:grid;place-items:center;margin-bottom:28px;border-radius:15px;background:var(--card-color,var(--primary-700));color:#fff;font-family:"Manrope",sans-serif;font-size:.82rem;font-weight:800}.link-card h3{margin-bottom:8px;font-size:1.08rem}.link-card p{margin-bottom:18px;color:var(--ink-500);font-size:.86rem}.card-link{position:relative;z-index:1;margin-top:auto;color:var(--primary-700);font-size:.8rem;font-weight:800}
.trust-strip{position:relative;z-index:2;margin-top:-25px}.trust-shell{display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;border:1px solid var(--ink-200);border-radius:20px;background:var(--surface);box-shadow:var(--shadow-md)}.trust-item{display:flex;align-items:center;gap:12px;min-height:86px;padding:18px 22px;border-right:1px solid var(--ink-200)}.trust-item:last-child{border-right:0}.trust-icon{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:var(--primary-50);color:var(--primary-700)}.trust-item strong{display:block;font-family:"Manrope",sans-serif;font-size:.88rem}.trust-item small{color:var(--ink-500);font-size:.75rem}
.info-panel{padding:clamp(28px,5vw,50px);border:1px solid var(--ink-200);border-radius:24px;background:var(--surface);box-shadow:var(--shadow-sm)}.info-panel h2{font-size:clamp(1.7rem,3vw,2.35rem);line-height:1.18;letter-spacing:-.03em}.info-panel p{color:var(--ink-600)}
.callout{padding:26px;border-left:5px solid var(--gold-500);border-radius:8px 18px 18px 8px;background:#fffbeb;color:#78350f}.callout h2,.callout h3{color:#78350f}.callout p:last-child{margin-bottom:0}

/* Resources */
.resource-shell{overflow:hidden;border:1px solid var(--ink-200);border-radius:24px;background:var(--surface);box-shadow:var(--shadow-sm)}.resource-toolbar{display:grid;grid-template-columns:minmax(260px,1.5fr) repeat(3,minmax(145px,.55fr));gap:12px;padding:18px;border-bottom:1px solid var(--ink-200);background:#fbfcfe}.field{position:relative}.field .icon{position:absolute;top:50%;left:14px;width:18px;height:18px;color:var(--ink-500);transform:translateY(-50%);pointer-events:none}.field input,.field select{width:100%;min-height:46px;border:1px solid var(--ink-300);border-radius:12px;outline:0;background:#fff;color:var(--ink-800);font-size:.88rem;transition:border .2s ease,box-shadow .2s ease}.field input{padding:0 14px 0 43px}.field select{padding:0 34px 0 13px;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-500) 50%),linear-gradient(135deg,var(--ink-500) 50%,transparent 50%);background-position:calc(100% - 18px) 20px,calc(100% - 13px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}.field input:focus,.field select:focus{border-color:var(--primary-600);box-shadow:0 0 0 4px rgba(20,115,206,.11)}.results-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:14px 20px;color:var(--ink-600);border-bottom:1px solid var(--ink-200);font-size:.8rem}.results-bar strong{color:var(--ink-800)}.clear-filters{border:0;background:transparent;color:var(--primary-700);font-size:.8rem;font-weight:800}.paper-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:20px}.paper-card{min-width:0;display:flex;flex-direction:column;padding:19px;border:1px solid var(--ink-200);border-radius:17px;background:#fff;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.paper-card:hover{transform:translateY(-3px);border-color:#b8d2ef;box-shadow:0 12px 30px rgba(16,24,40,.08)}.paper-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:15px}.subject-pill{max-width:75%;overflow:hidden;padding:5px 9px;border-radius:8px;background:var(--green-50);color:var(--green-800);font-size:.67rem;font-weight:800;text-overflow:ellipsis;text-transform:uppercase;white-space:nowrap}.paper-year{color:var(--ink-500);font-size:.75rem;font-weight:700}.paper-card h3{display:-webkit-box;min-height:48px;margin-bottom:8px;overflow:hidden;color:var(--ink-950);font-size:.98rem;line-height:1.45;-webkit-box-orient:vertical;-webkit-line-clamp:2}.paper-meta{margin-bottom:18px;color:var(--ink-500);font-size:.78rem}.paper-actions{display:grid;grid-template-columns:1fr 44px;gap:8px;margin-top:auto}.paper-button{min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:11px;font-size:.8rem;font-weight:800}.paper-button-primary{background:var(--primary-700);color:#fff}.paper-button-icon{border:1px solid var(--ink-300);background:#fff;color:var(--primary-700)}.load-more-wrap{display:flex;justify-content:center;padding:0 20px 24px}.load-more[hidden]{display:none}
.state-card{grid-column:1/-1;min-height:220px;display:grid;place-items:center;padding:36px;border:1px dashed var(--ink-300);border-radius:17px;background:var(--surface-soft);color:var(--ink-600);text-align:center}.state-card strong{display:block;margin-bottom:5px;color:var(--ink-800)}.skeleton{min-height:226px;border-radius:17px;background:linear-gradient(90deg,#f1f3f6 25%,#fafbfc 37%,#f1f3f6 63%);background-size:400% 100%;animation:shimmer 1.25s ease infinite}@keyframes shimmer{0%{background-position:100% 0}100%{background-position:0 0}}
.ad-slot{min-height:108px;display:grid;place-items:center;margin-top:24px;padding:22px;border:1px dashed #b7c3d3;border-radius:16px;background:repeating-linear-gradient(135deg,#eef3f9,#eef3f9 10px,#e8eef6 10px,#e8eef6 20px);color:var(--ink-500);text-align:center;font-size:.75rem;font-weight:700}.ad-slot small{display:block;margin-top:3px;font-weight:500}

/* Videos and tutors */
.filter-row{display:grid;grid-template-columns:minmax(260px,1fr) minmax(180px,.35fr);gap:12px;margin-bottom:24px}.video-grid,.tutor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.video-card{overflow:hidden;border:1px solid var(--ink-200);border-radius:19px;background:var(--surface);box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}.video-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(145deg,var(--primary-800),var(--green-800))}.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.video-card:hover img{transform:scale(1.035)}.video-overlay{position:absolute;inset:0;display:grid;place-items:center;background:linear-gradient(to top,rgba(0,0,0,.22),transparent 60%)}.play-button{width:50px;height:50px;display:grid;place-items:center;padding-left:3px;border-radius:50%;background:rgba(255,255,255,.94);color:var(--primary-700);box-shadow:0 10px 25px rgba(0,0,0,.2)}.duration{position:absolute;right:9px;bottom:9px;padding:3px 7px;border-radius:6px;background:rgba(0,0,0,.72);color:#fff;font-size:.68rem;font-weight:700}.video-body{padding:17px 18px 19px}.video-body h3{margin-bottom:6px;font-size:.96rem;line-height:1.4}.video-body p{margin-bottom:0;color:var(--ink-500);font-size:.77rem}
.tutor-card{display:flex;flex-direction:column;padding:20px;border:1px solid var(--ink-200);border-radius:19px;background:var(--surface);box-shadow:var(--shadow-sm)}.tutor-head{display:flex;gap:13px;align-items:center;margin-bottom:16px}.tutor-avatar{width:50px;height:50px;display:grid;place-items:center;flex:0 0 auto;border-radius:15px;background:linear-gradient(145deg,var(--gold-100),var(--gold-500));color:#504000;font-family:"Manrope",sans-serif;font-weight:800}.tutor-name-row{display:flex;align-items:center;gap:6px}.tutor-name-row h3{margin-bottom:0;font-size:.95rem}.verified{width:16px;height:16px;display:grid;place-items:center;border-radius:50%;background:var(--primary-700);color:#fff;font-size:.62rem}.tutor-location{margin:3px 0 0;color:var(--ink-500);font-size:.74rem}.tutor-subjects{margin-bottom:9px;color:var(--primary-700);font-size:.77rem;font-weight:800}.tutor-bio{display:-webkit-box;min-height:48px;margin-bottom:16px;overflow:hidden;color:var(--ink-600);font-size:.8rem;-webkit-box-orient:vertical;-webkit-line-clamp:3}.tutor-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:14px;border-top:1px solid var(--ink-200)}.tutor-meta{color:var(--green-800);font-size:.72rem;font-weight:800}.contact-link{color:var(--primary-700);font-size:.77rem;font-weight:800}

/* Updates */
.updates-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:24px;align-items:start}.notice-shell{overflow:hidden;border:1px solid var(--ink-200);border-radius:20px;background:var(--surface);box-shadow:var(--shadow-sm)}.notice-item{display:grid;grid-template-columns:18px minmax(0,1fr) auto;align-items:start;gap:13px;padding:18px 20px;border-bottom:1px solid var(--ink-200)}.notice-item:last-child{border-bottom:0}.notice-dot{width:9px;height:9px;margin-top:8px;border-radius:50%;background:var(--primary-600);box-shadow:0 0 0 5px rgba(20,115,206,.1)}.notice-item h3{margin-bottom:3px;font-size:.91rem}.notice-item p{margin-bottom:0;color:var(--ink-600);font-size:.82rem}.notice-action{color:var(--primary-700);font-size:.78rem;font-weight:800;white-space:nowrap}.exam-list{display:grid;gap:12px}.exam-card{padding:18px;border:1px solid var(--ink-200);border-radius:16px;background:#fff}.exam-card strong{display:block;margin-bottom:5px}.exam-card span{display:block;color:var(--ink-500);font-size:.82rem}.exam-card time{color:var(--primary-700);font-weight:800}

/* Learning */
.learning-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}.tool-card{padding:27px;border:1px solid var(--ink-200);border-radius:22px;background:#fff;box-shadow:var(--shadow-sm)}.tool-card h2{font-size:1.45rem}.tool-card p{color:var(--ink-600)}.tool-list{display:grid;gap:12px;margin-top:18px}.tool-link{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:15px;border:1px solid var(--ink-200);border-radius:13px;background:var(--surface-soft);font-weight:750;color:var(--primary-700)}
.chat-card{overflow:hidden;border:1px solid rgba(255,255,255,.08);border-radius:24px;background:var(--primary-950);box-shadow:var(--shadow-lg)}.chat-head{display:flex;align-items:center;gap:11px;padding:18px;border-bottom:1px solid rgba(255,255,255,.08)}.chat-logo{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(145deg,var(--green-600),var(--primary-600));color:#fff}.chat-head h2{margin-bottom:1px;color:#fff;font-size:1rem}.chat-head p{margin-bottom:0;color:#8da5c0;font-size:.72rem}.chat-messages{height:430px;display:flex;flex-direction:column;gap:10px;overflow-y:auto;padding:17px}.chat-message{max-width:86%;padding:11px 13px;border-radius:13px;font-size:.84rem;line-height:1.48;white-space:pre-wrap}.chat-message.assistant{align-self:flex-start;border-bottom-left-radius:4px;background:rgba(255,255,255,.075);color:#e2ecf6}.chat-message.user{align-self:flex-end;border-bottom-right-radius:4px;background:var(--primary-600);color:#fff}.chat-message.error{align-self:flex-start;border:1px solid rgba(255,139,130,.22);background:rgba(180,35,24,.18);color:#ffc4bd}.chat-form{display:grid;grid-template-columns:1fr auto;gap:8px;padding:12px;border-top:1px solid rgba(255,255,255,.08)}.chat-form input{min-width:0;min-height:46px;padding:0 13px;border:1px solid rgba(255,255,255,.12);border-radius:11px;outline:0;background:rgba(255,255,255,.06);color:#fff}.chat-form input::placeholder{color:#8298b1}.chat-form button{min-width:52px;border:0;border-radius:11px;background:var(--green-600);color:#fff;font-weight:800}

/* About, contact and legal */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center}.mission-panel{padding:clamp(32px,5vw,54px);border-radius:26px;color:#fff;background:radial-gradient(circle at 85% 15%,rgba(134,239,172,.18),transparent 28%),linear-gradient(135deg,#0f766e,#075985);box-shadow:0 25px 60px rgba(7,89,133,.22)}.mission-panel h2{color:#fff}.mission-panel p{color:#e0f2fe}.values-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:25px}.value-card{padding:18px;border:1px solid rgba(255,255,255,.16);border-radius:15px;background:rgba(255,255,255,.08)}.value-card strong{display:block;margin-bottom:5px;color:#bbf7d0}.value-card span{color:#dbeafe;font-size:.9rem}.quote-panel{padding:clamp(34px,5vw,58px);border-radius:24px;background:var(--green-50);text-align:center}.quote-panel blockquote{max-width:850px;margin:0 auto;color:var(--primary-950);font-size:clamp(1.25rem,2.6vw,1.9rem);font-weight:700;line-height:1.45}.quote-author{margin-top:18px;color:var(--green-800);font-weight:800}
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:24px}.contact-card{padding:30px;border:1px solid var(--ink-200);border-radius:22px;background:#fff}.contact-list{display:grid;gap:12px;margin-top:20px}.contact-item{display:block;padding:15px 17px;border-radius:13px;background:var(--surface-soft);color:var(--ink-700);overflow-wrap:anywhere}.contact-item strong{color:var(--primary-950)}
.legal-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:28px;align-items:start}.toc{position:sticky;top:94px;padding:19px;border:1px solid var(--ink-200);border-radius:18px;background:#fff;box-shadow:var(--shadow-sm)}.toc h2{margin-bottom:12px;font-size:.92rem}.toc-links{display:grid;gap:3px}.toc a{padding:8px 9px;border-radius:9px;color:var(--ink-600);font-size:.78rem;font-weight:650}.toc a:hover{background:var(--primary-50);color:var(--primary-700)}.legal-card{padding:clamp(28px,5vw,52px);border:1px solid var(--ink-200);border-radius:24px;background:#fff}.legal-lead{margin-bottom:34px;padding:20px 22px;border-left:4px solid var(--green-600);border-radius:8px 14px 14px 8px;background:var(--green-50);color:var(--ink-700)}.legal-section{scroll-margin-top:100px}.legal-section+.legal-section{margin-top:40px;padding-top:40px;border-top:1px solid var(--ink-200)}.legal-section h2{margin-bottom:13px;color:var(--primary-950);font-size:clamp(1.3rem,3vw,1.8rem)}.legal-section h3{margin:21px 0 8px;color:var(--ink-800);font-size:1rem}.legal-section p,.legal-section li{color:var(--ink-600)}.legal-section ul{padding-left:22px}.legal-section a{color:var(--primary-700);font-weight:700}.definition-grid,.rights-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:17px}.definition,.right-card{padding:16px;border:1px solid var(--ink-200);border-radius:14px;background:var(--surface-soft)}.definition strong,.right-card strong{display:block;margin-bottom:4px;color:var(--ink-800)}.definition span,.right-card span{color:var(--ink-600);font-size:.86rem}

/* App banner and footer */
.app-banner{position:relative;display:grid;grid-template-columns:1fr auto;align-items:center;gap:32px;overflow:hidden;padding:42px;border-radius:28px;background:linear-gradient(135deg,var(--primary-800),var(--green-800));color:#fff;box-shadow:var(--shadow-lg)}.app-banner h2{margin-bottom:12px;font-size:clamp(1.75rem,3vw,2.45rem);line-height:1.13;letter-spacing:-.04em}.app-banner p{max-width:700px;margin-bottom:22px;color:#d2e3f3}.app-benefits{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:23px}.app-benefits span{padding:6px 10px;border:1px solid rgba(255,255,255,.13);border-radius:999px;background:rgba(255,255,255,.07);color:#e9f3fb;font-size:.73rem;font-weight:700}
.footer{margin-top:80px;padding:54px 0 28px;background:var(--primary-950);color:#a9bbcf}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:36px;padding-bottom:32px}.footer .brand{margin-bottom:17px}.footer-intro{max-width:360px;color:#9aadc3;font-size:.83rem}.footer h3{margin-bottom:14px;color:#fff;font-size:.84rem}.footer-links{display:grid;gap:8px}.footer-links a{font-size:.82rem;transition:color .2s ease}.footer-links a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:.74rem}
.toast{position:fixed;left:50%;bottom:26px;z-index:130;max-width:min(430px,calc(100vw - 32px));padding:11px 14px;border-radius:11px;background:var(--ink-950);color:#fff;box-shadow:var(--shadow-lg);font-size:.78rem;opacity:0;transform:translate(-50%,14px);transition:opacity .2s ease,transform .2s ease;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%,0)}

@media(max-width:1080px){.desktop-nav{display:none}.menu-button{display:grid}.home-hero-grid{grid-template-columns:1fr minmax(320px,.72fr);gap:38px}.trust-shell{grid-template-columns:repeat(2,1fr)}.trust-item:nth-child(2){border-right:0}.trust-item:nth-child(-n+2){border-bottom:1px solid var(--ink-200)}.card-grid{grid-template-columns:repeat(2,1fr)}.resource-toolbar{grid-template-columns:1fr 1fr}.paper-grid,.video-grid,.tutor-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2}}
@media(max-width:780px){.container{width:min(calc(100% - 28px),var(--container))}.section{padding:62px 0}.nav-app{display:none}.home-hero{padding:60px 0 52px}.home-hero-grid{grid-template-columns:1fr;gap:32px}.page-hero{padding:55px 0 66px}.home-hero h1,.page-hero h1{font-size:clamp(2.25rem,11vw,3.4rem)}.trust-strip{margin-top:16px}.section-heading{align-items:flex-start;flex-direction:column}.paper-grid,.video-grid,.tutor-grid{grid-template-columns:1fr}.updates-layout,.learning-grid,.about-grid,.contact-grid{grid-template-columns:1fr}.legal-layout{grid-template-columns:1fr}.toc{position:static}.app-banner{grid-template-columns:1fr;padding:32px 24px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{flex-direction:column}}
@media(max-width:540px){.brand-tagline{display:none}.hero-search{align-items:stretch;flex-direction:column;background:transparent;border:0;padding:0}.hero-search-label{min-height:51px;padding:0 14px;border:1px solid rgba(255,255,255,.16);border-radius:14px;background:rgba(255,255,255,.08)}.hero-search button{width:100%}.countdown-grid{gap:6px}.countdown-value{font-size:1.25rem}.trust-shell,.card-grid,.values-grid,.definition-grid,.rights-grid{grid-template-columns:1fr}.trust-item{border-right:0;border-bottom:1px solid var(--ink-200)}.trust-item:last-child{border-bottom:0}.resource-toolbar,.filter-row{grid-template-columns:1fr}.results-bar{align-items:flex-start;flex-direction:column}.paper-grid{padding:14px}.notice-item{grid-template-columns:18px 1fr}.notice-action{grid-column:2}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* ===== Compact resource list and focused PDF viewer ===== */
.resource-page-section{padding-top:44px}.resource-page-container{max-width:980px}.resource-list-shell{background:#edf2f6;border-color:#d5e0ea;box-shadow:0 18px 55px rgba(16,24,40,.09)}.resource-list-shell .resource-toolbar{background:#fff}.resource-results-bar{background:#f8fafc}.view-only-note{display:flex;align-items:center;gap:10px;margin:16px 18px 0;padding:11px 14px;border:1px solid #cbd9e7;border-radius:12px;background:#fff;color:var(--ink-600);font-size:.78rem}.view-only-note .icon{color:var(--primary-700)}.paper-list{display:grid;gap:11px;padding:18px}.paper-list-item{width:100%;min-height:62px;display:grid;grid-template-columns:42px minmax(0,1fr) 34px;align-items:center;gap:12px;padding:8px 13px;border:0;border-radius:17px;background:linear-gradient(135deg,#0b77a8,#0a6597);color:#fff;box-shadow:0 7px 18px rgba(10,101,151,.18),inset 0 1px 0 rgba(255,255,255,.18);text-align:left;transition:transform .18s ease,box-shadow .18s ease,filter .18s ease}.paper-list-item:hover{transform:translateY(-2px);box-shadow:0 11px 24px rgba(10,101,151,.25),inset 0 1px 0 rgba(255,255,255,.2);filter:brightness(1.04)}.paper-list-item:active{transform:translateY(0)}.paper-list-item.is-disabled{opacity:.55;cursor:not-allowed}.paper-list-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:rgba(255,255,255,.13)}.paper-list-icon .icon{width:21px;height:21px}.paper-list-copy{min-width:0;display:grid;gap:2px}.paper-list-title{overflow:hidden;color:#fff;font-family:"Manrope",sans-serif;font-size:.94rem;font-weight:800;line-height:1.3;text-align:center;text-overflow:ellipsis;white-space:nowrap}.paper-list-meta{color:#cfeafa;font-size:.68rem;font-weight:600;text-align:center}.paper-list-open{display:grid;place-items:center;color:#dff5ff}.paper-list-open .icon{width:21px;height:21px}.resource-row-skeleton{min-height:62px;border-radius:17px}.resource-list-shell .load-more-wrap{padding-top:2px}.resource-list-shell .load-more{background:#fff}.viewer-body{min-height:100vh;overflow:hidden;background:#111827;color:#fff}.viewer-topbar{position:fixed;inset:0 0 auto;z-index:30;min-height:68px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:18px;padding:10px max(14px,env(safe-area-inset-right)) 10px max(14px,env(safe-area-inset-left));background:rgba(6,27,51,.97);border-bottom:1px solid rgba(255,255,255,.09);box-shadow:0 10px 30px rgba(0,0,0,.2);backdrop-filter:blur(18px)}.viewer-back{display:inline-flex;align-items:center;gap:7px;min-height:42px;padding:0 11px;border:1px solid rgba(255,255,255,.13);border-radius:11px;color:#e8f2fb;font-size:.8rem;font-weight:800}.viewer-heading{min-width:0;display:grid;gap:1px;text-align:center}.viewer-heading strong{overflow:hidden;color:#fff;font-family:"Manrope",sans-serif;font-size:.9rem;text-overflow:ellipsis;white-space:nowrap}.viewer-heading span{color:#9bb0c7;font-size:.68rem}.viewer-controls{display:flex;align-items:center;gap:5px}.viewer-controls button{width:38px;height:38px;border:1px solid rgba(255,255,255,.13);border-radius:10px;background:rgba(255,255,255,.07);color:#fff;font-size:1.25rem;font-weight:800}.viewer-controls button:disabled{opacity:.35;cursor:not-allowed}.viewer-controls span{min-width:49px;color:#c9d9e9;font-size:.7rem;font-weight:800;text-align:center}.viewer-protection-note{position:fixed;z-index:29;top:68px;left:0;right:0;min-height:36px;display:flex;align-items:center;justify-content:center;gap:8px;padding:7px 14px;background:#fff4c8;color:#604b00;border-bottom:1px solid #ead684;font-size:.72rem;font-weight:700}.viewer-protection-note .icon{width:17px;height:17px}.pdf-viewer-stage{position:fixed;inset:104px 0 0;overflow:auto;padding:20px 12px 60px;background:#242b35;overscroll-behavior:contain}.pdf-pages{display:grid;gap:22px;justify-items:center}.pdf-page-wrap{max-width:100%;display:grid;gap:7px;justify-items:center}.pdf-page-label{padding:5px 10px;border-radius:999px;background:rgba(0,0,0,.28);color:#ced8e3;font-size:.66rem;font-weight:700}.pdf-page-canvas{display:block;max-width:100%;height:auto!important;background:#fff;box-shadow:0 12px 38px rgba(0,0,0,.35);user-select:none;-webkit-user-select:none}.viewer-loading,.viewer-error{min-height:calc(100vh - 160px);display:grid;place-items:center;align-content:center;gap:8px;color:#e5edf6;text-align:center}.viewer-loading small{color:#aab8c7}.viewer-spinner{width:38px;height:38px;margin-bottom:5px;border:4px solid rgba(255,255,255,.15);border-top-color:#78c08a;border-radius:50%;animation:viewerSpin .85s linear infinite}@keyframes viewerSpin{to{transform:rotate(360deg)}}.viewer-error p{max-width:520px;color:#b9c6d3}.viewer-fallback{width:100%;height:100%;border:0;background:#fff}
@media(max-width:780px){.resource-page-section{padding-top:26px}.paper-list{padding:12px;gap:9px}.paper-list-item{min-height:58px;grid-template-columns:36px minmax(0,1fr) 26px;padding:7px 10px;border-radius:15px}.paper-list-icon{width:34px;height:34px;border-radius:10px}.paper-list-title{font-size:.84rem}.paper-list-meta{font-size:.62rem}.viewer-topbar{grid-template-columns:auto minmax(0,1fr) auto;gap:8px}.viewer-back span{display:none}.viewer-back{width:40px;padding:0;justify-content:center}.viewer-controls span{display:none}.viewer-controls button{width:36px;height:36px}.viewer-heading strong{font-size:.78rem}.pdf-viewer-stage{padding-inline:6px}.view-only-note{margin-inline:12px}}
@media(max-width:480px){.paper-list-meta{display:none}.paper-list-title{white-space:normal;text-align:center;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2}.viewer-protection-note span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.viewer-heading span{display:none}}