:root{--blue:#1167ff;--blue2:#2d82ff;--blue3:#063fba;--ink:#0c1e3b;--muted:#61718d;--line:#e7edf6;--bg:#f7faff;--card:#fff;--soft:#f1f6ff;--green:#06b979;--purple:#7c3aed;--orange:#f97316;--gold:#f5b400;--danger:#e75b5b;--shadow:0 24px 70px rgba(32,72,140,.12);--shadow2:0 10px 30px rgba(20,55,100,.08);--r:24px;--container:1320px}html{scroll-behavior:smooth}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--card);line-height:1.55}body.dark{--ink:#edf4ff;--muted:#a9b9d2;--line:#22314b;--bg:#07111e;--card:#0e1a2c;--soft:#12223a;--shadow:0 28px 80px rgba(0,0,0,.42);--shadow2:0 12px 38px rgba(0,0,0,.28);background:#07111e}body.compact .section{padding-top:58px;padding-bottom:58px}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}.container{width:min(var(--container),calc(100% - 48px));margin:auto}.sr-only{position:absolute;clip:rect(0 0 0 0);clip-path:inset(50%);height:1px;width:1px;overflow:hidden;white-space:nowrap}.mobile-only{display:none}.ui-nojs{position:fixed;left:0;right:0;bottom:0;z-index:2000;background:#151f33;color:#fff;padding:10px 16px;text-align:center;font-size:13px}.js .ui-nojs{display:none}
.site-header{position:sticky;top:0;z-index:1100;border-bottom:1px solid rgba(231,237,246,.8);background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:blur(18px)}.nav-shell{height:76px;display:flex;align-items:center;gap:28px;width:min(var(--container),calc(100% - 48px));margin:auto}.brand{display:flex;align-items:center;gap:11px;min-width:216px}.brand-icon{position:relative;width:42px;height:42px;border-radius:13px;background:linear-gradient(145deg,#eff6ff,#d8e9ff);display:grid;place-items:center;box-shadow:inset 0 0 0 1px #d3e5ff}.brand-book{font-family:Georgia,serif;font-weight:900;font-size:21px;color:var(--blue)}.brand-dot{position:absolute;width:8px;height:8px;border-radius:50%;right:7px;top:7px;background:var(--green)}.brand-copy{display:flex;flex-direction:column;line-height:1.06}.brand-copy strong{font:800 20px/1.1 'Plus Jakarta Sans',Inter,sans-serif;letter-spacing:-.5px}.brand-copy small{margin-top:4px;color:var(--muted);font-size:10px;font-weight:700;letter-spacing:.08em}.desktop-nav{display:flex;gap:8px;align-items:center;flex:1;justify-content:center}.desktop-nav a{position:relative;padding:28px 11px 25px;color:#425170;font-weight:650;font-size:14px}.dark .desktop-nav a{color:#b7c5d9}.desktop-nav a.is-active,.desktop-nav a:hover{color:var(--blue)}.desktop-nav a.is-active:after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;border-radius:999px;background:var(--blue)}.nav-actions{display:flex;align-items:center;gap:8px}.icon-btn,.notif-btn{width:40px;height:40px;border:0;border-radius:12px;background:transparent;color:var(--muted);display:grid;place-items:center;position:relative}.icon-btn:hover,.notif-btn:hover{background:var(--soft);color:var(--blue)}.notif-btn span{position:absolute;right:0;top:0;min-width:17px;height:17px;padding:0 4px;border-radius:99px;background:var(--danger);color:#fff;font-size:9px;font-weight:800;display:grid;place-items:center}.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(145deg,var(--blue),#5e9eff);color:#fff;display:grid;place-items:center;font-weight:800}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:12px;padding:13px 20px;font-weight:800;border:1px solid transparent;transition:.2s ease;white-space:nowrap}.btn:hover{transform:translateY(-1px)}.btn-sm{padding:10px 18px;border-radius:11px;font-size:13px}.btn-primary{color:#fff;background:linear-gradient(135deg,var(--blue),var(--blue2));box-shadow:0 10px 26px rgba(17,103,255,.25)}.btn-ghost{background:var(--card);border-color:#cfe0ff;color:var(--blue)}.btn-soft{background:var(--soft);color:var(--blue)}.mobile-panel{display:none}.search-panel{display:none;background:var(--card);border-bottom:1px solid var(--line)}.search-panel.is-open{display:block}.search-inner{padding:18px 0}.search-inner label{display:block;font-weight:800;margin-bottom:8px}.search-line{display:flex;gap:8px}.search-line input{flex:1;border:1px solid var(--line);border-radius:13px;padding:14px 15px;background:var(--bg);color:var(--ink);outline:none}.search-line input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(17,103,255,.1)}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 86% 18%,rgba(45,130,255,.17),transparent 33%),linear-gradient(180deg,#f7fbff 0%,#fff 100%)}.dark .hero{background:radial-gradient(circle at 86% 18%,rgba(45,130,255,.18),transparent 33%),linear-gradient(180deg,#0b1727,#07111e)}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none}.hero:before{width:460px;height:460px;left:-230px;top:-210px;background:linear-gradient(135deg,rgba(255,126,27,.2),transparent)}.hero:after{width:520px;height:520px;right:-250px;bottom:-300px;background:linear-gradient(135deg,rgba(0,181,112,.12),rgba(17,103,255,.1),transparent)}.hero-inner{position:relative;z-index:1;min-height:540px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:30px;padding:54px 0 38px}.eyebrow{display:inline-flex;align-items:center;gap:9px;background:#e8f1ff;color:var(--blue);border:1px solid #d5e6ff;padding:9px 14px;border-radius:99px;font-weight:800;font-size:12px;letter-spacing:.04em}.dark .eyebrow{background:#10233d;border-color:#1f3a5e}.hero h1{font:800 clamp(42px,5.2vw,78px)/1.02 'Plus Jakarta Sans',Inter,sans-serif;letter-spacing:-2.8px;margin:20px 0 18px}.hero h1 .accent{color:var(--blue)}.hero p{font-size:18px;color:var(--muted);max-width:640px;margin:0 0 26px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-mini-features{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:30px 0 0}.mini-feature{text-align:left}.mini-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;color:#fff;margin-bottom:8px;box-shadow:0 8px 20px rgba(0,0,0,.08)}.mini-feature strong{display:block;font-size:12px;line-height:1.35}.mini-blue{background:linear-gradient(145deg,#0f67ff,#36a0ff)}.mini-red{background:linear-gradient(145deg,#f3482b,#ff8364)}.mini-green{background:linear-gradient(145deg,#00a86b,#2ad795)}.mini-purple{background:linear-gradient(145deg,#7c3aed,#a274ff)}.mini-gold{background:linear-gradient(145deg,#e6a700,#ffc92c)}.hero-visual{position:relative;min-height:440px}.hero-card{position:absolute;right:2%;top:25px;width:min(100%,560px);aspect-ratio:1.25;border-radius:32px;background:linear-gradient(150deg,#fff,#edf5ff);box-shadow:var(--shadow);border:1px solid #dbe8f7;overflow:hidden;transform:perspective(1300px) rotateY(-7deg) rotateX(2deg)}.dark .hero-card{background:linear-gradient(150deg,#17283f,#0e1c2e);border-color:#243b5c}.hero-office{position:absolute;inset:0;background:radial-gradient(circle at 65% 28%,rgba(17,103,255,.25),transparent 28%),linear-gradient(135deg,rgba(255,255,255,.2),transparent),url('')}.hero-screen{position:absolute;left:17%;top:18%;width:63%;height:64%;border-radius:17px;background:var(--card);border:8px solid #1a2638;box-shadow:0 18px 40px rgba(0,0,0,.2);padding:14px}.screen-top{display:flex;justify-content:space-between;align-items:center;font-size:11px;font-weight:800;margin-bottom:10px}.screen-grid{display:grid;grid-template-columns:1fr 100px;gap:10px}.screen-q{font-size:12px;font-weight:800;line-height:1.45}.screen-opt{margin-top:8px;padding:9px;border-radius:8px;border:1px solid var(--line);font-size:10px}.screen-opt.good{border-color:#55cfad;background:#e8fbf4}.screen-side{background:var(--bg);border-radius:10px;padding:8px}.screen-time{font-weight:900;color:var(--blue);font-size:15px}.screen-grid-palette{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;margin-top:9px}.screen-grid-palette span{height:22px;border-radius:5px;background:#e7edf5;font-size:8px;display:grid;place-items:center}.screen-grid-palette span.active{background:var(--blue);color:#fff}.hero-ribbon{position:absolute;right:4%;bottom:11%;width:180px;padding:12px;border-radius:14px;background:rgba(255,255,255,.95);box-shadow:var(--shadow2);font-size:12px;font-weight:800}.dark .hero-ribbon{background:#15263d}.stats-strip{position:relative;z-index:2;margin-top:-16px}.stats-card{background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow2);display:grid;grid-template-columns:repeat(4,1fr);padding:18px 22px}.stat{display:flex;align-items:center;gap:14px;padding:8px 22px;border-right:1px solid var(--line)}.stat:last-child{border-right:0}.stat-icon{width:46px;height:46px;border-radius:14px;background:var(--soft);color:var(--blue);display:grid;place-items:center}.stat strong{display:block;font-size:20px}.stat span{display:block;color:var(--muted);font-size:11px;font-weight:600}
.section{padding:86px 0}.section.alt{background:var(--bg)}.section-head{text-align:center;max-width:730px;margin:0 auto 36px}.kicker{color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.13em;text-transform:uppercase}.section-head h2{font:800 clamp(30px,4vw,46px)/1.08 'Plus Jakarta Sans',Inter,sans-serif;letter-spacing:-1.5px;margin:10px 0}.section-head p{color:var(--muted);font-size:16px}.exam-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.exam-card{position:relative;border-radius:20px;border:1px solid var(--line);padding:22px;background:linear-gradient(160deg,var(--soft),var(--card));box-shadow:var(--shadow2);display:flex;flex-direction:column;min-height:250px}.exam-card.green{background:linear-gradient(160deg,#eafaf4,var(--card))}.exam-card.purple{background:linear-gradient(160deg,#f3ecff,var(--card))}.exam-card.orange{background:linear-gradient(160deg,#fff2e8,var(--card))}.dark .exam-card,.dark .exam-card.green,.dark .exam-card.purple,.dark .exam-card.orange{background:linear-gradient(160deg,#12233a,#0e1a2c)}.exam-top{display:flex;justify-content:space-between;align-items:start;gap:10px}.exam-icon{width:46px;height:46px;border-radius:14px;background:#dceaff;color:var(--blue);display:grid;place-items:center}.exam-card.green .exam-icon{background:#d9f6ea;color:var(--green)}.exam-card.purple .exam-icon{background:#e9ddff;color:var(--purple)}.exam-card.orange .exam-icon{background:#ffe1cb;color:var(--orange)}.badge{font-size:10px;padding:6px 9px;border-radius:99px;background:#fff4da;color:#a76b00;font-weight:800}.dark .badge{background:#2e2713}.exam-card h3{margin:15px 0 4px;font-size:17px;line-height:1.3}.exam-card p{margin:0;color:var(--muted);font-size:12px}.exam-meta{display:flex;gap:10px;flex-wrap:wrap;margin:15px 0;font-size:11px;color:var(--muted);font-weight:700}.exam-actions{margin-top:auto;display:flex;gap:8px}.exam-actions .btn{flex:1;padding:10px 12px;font-size:12px}.feature-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.feature-card{padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--card);text-align:center}.feature-card .feature-icon{width:50px;height:50px;margin:0 auto 12px;border-radius:15px;background:var(--soft);display:grid;place-items:center;color:var(--blue)}.feature-card h3{font-size:14px;margin:0 0 6px}.feature-card p{font-size:12px;color:var(--muted);margin:0}.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}.price-card{position:relative;border:1px solid var(--line);border-radius:24px;padding:28px;background:var(--card);box-shadow:var(--shadow2)}.price-card.popular{border-color:#8ab5ff;box-shadow:0 20px 60px rgba(17,103,255,.16)}.popular-ribbon{position:absolute;right:18px;top:18px;background:var(--blue);color:#fff;padding:6px 10px;border-radius:99px;font-size:10px;font-weight:800}.price{font:800 42px/1 'Plus Jakarta Sans',Inter,sans-serif;margin:17px 0}.price small{font:700 12px Inter;color:var(--muted)}.price-list{list-style:none;padding:0;margin:18px 0 24px;display:grid;gap:11px}.price-list li{display:flex;gap:9px;font-size:13px}.price-list svg{color:var(--green);flex:0 0 auto;margin-top:2px}.notice-list{display:grid;gap:10px;max-width:920px;margin:auto}.notice{padding:17px 18px;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:14px;background:var(--card);box-shadow:var(--shadow2)}.notice small{color:var(--muted);font-weight:700}.notice strong{display:block;margin:2px 0 4px}.faq{max-width:840px;margin:auto;display:grid;gap:10px}.faq details{border:1px solid var(--line);border-radius:16px;padding:0 18px;background:var(--card)}.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:800}.faq summary::-webkit-details-marker{display:none}.faq p{padding:0 0 18px;margin:0;color:var(--muted)}.cta{border-radius:30px;padding:48px;background:radial-gradient(circle at 75% 20%,rgba(255,255,255,.22),transparent 32%),linear-gradient(135deg,#0f62e8,#2b88ff);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:25px;overflow:hidden}.cta h2{font:800 32px/1.1 'Plus Jakarta Sans';margin:0 0 8px}.cta p{margin:0;color:rgba(255,255,255,.82)}.cta .btn{background:#fff;color:#0d5bea}.site-footer{padding:62px 0 20px;border-top:1px solid var(--line);background:var(--bg)}.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:35px}.footer-brand{margin-bottom:13px}.site-footer p,.site-footer a{color:var(--muted);font-size:13px}.site-footer h3{font-size:13px;margin:0 0 12px}.site-footer a{display:block;margin:8px 0}.footer-bottom{margin-top:34px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:11px}
.page-hero{padding:50px 0 36px;background:var(--bg);border-bottom:1px solid var(--line)}.page-hero h1{font:800 42px/1.1 'Plus Jakarta Sans';margin:8px 0}.page-hero p{color:var(--muted);margin:0;max-width:760px}.panel{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow2);padding:22px}.table-wrap{overflow:auto}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:13px 11px;border-bottom:1px solid var(--line);text-align:left;font-size:12px}.data-table th{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.empty-state{text-align:center;padding:48px 20px;color:var(--muted)}.profile-grid{display:grid;grid-template-columns:280px 1fr;gap:20px}.profile-card{text-align:center}.profile-avatar{width:84px;height:84px;border-radius:50%;margin:0 auto 13px;display:grid;place-items:center;font-size:28px;font-weight:900;color:#fff;background:linear-gradient(145deg,var(--blue),#7aaeff)}.profile-card h2{margin:0 0 4px;font-size:20px}.profile-card p{margin:0;color:var(--muted);font-size:12px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:12px;font-weight:800}.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:13px;padding:12px 13px;outline:none}.field textarea{min-height:140px;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(17,103,255,.1)}.helper{font-size:11px;color:var(--muted)}.notice-center{display:grid;gap:10px}.notification-item{display:flex;gap:13px;padding:16px;border:1px solid var(--line);border-radius:15px;background:var(--card)}.notification-item.unread{border-color:#cfe0ff;background:linear-gradient(90deg,#f4f8ff,var(--card))}.dark .notification-item.unread{background:linear-gradient(90deg,#102442,var(--card))}.notif-dot{width:9px;height:9px;border-radius:50%;background:var(--blue);margin-top:7px;flex:0 0 auto}.notification-item.read .notif-dot{background:#c8d2e2}.notification-body{flex:1}.notification-body strong{display:block;font-size:13px}.notification-body p{margin:4px 0;color:var(--muted);font-size:12px}.notification-body small{color:var(--muted)}.notification-actions{display:flex;align-items:center;gap:7px}.link-btn{border:0;background:transparent;color:var(--blue);font-weight:800;font-size:11px}.toast-wrap{position:fixed;right:18px;bottom:18px;z-index:1600;display:grid;gap:8px}.toast{padding:12px 15px;border-radius:12px;color:#fff;background:#14233a;box-shadow:var(--shadow);font-size:12px;animation:toast-in .25s ease}.toast.success{background:#0b8f63}.toast.error{background:#b33c3c}@keyframes toast-in{from{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}
.mobile-bottom-nav{display:none}.install-banner{position:fixed;left:18px;right:18px;bottom:84px;z-index:1300;max-width:520px;margin:auto;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:13px 15px;display:none;align-items:center;gap:12px}.install-banner.is-visible{display:flex}.install-banner .install-copy{flex:1}.install-copy strong{display:block;font-size:12px}.install-copy span{display:block;color:var(--muted);font-size:10px}.install-banner .btn{padding:9px 13px;font-size:11px}.install-close{border:0;background:transparent;color:var(--muted);font-size:17px}
@media (max-width:1100px){.desktop-nav a{padding-left:7px;padding-right:7px;font-size:13px}.brand{min-width:195px}.exam-grid{grid-template-columns:repeat(2,1fr)}.feature-grid{grid-template-columns:repeat(3,1fr)}.hero-inner{grid-template-columns:1fr}.hero-visual{min-height:390px;max-width:680px;width:100%;margin:auto}.hero-mini-features{max-width:650px}.stats-card{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.stat{border-bottom:1px solid var(--line)}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}}
@media (max-width:780px){.container{width:min(var(--container),calc(100% - 28px))}.nav-shell{width:calc(100% - 28px);height:68px}.desktop-nav,.nav-actions .btn,.nav-actions>.avatar{display:none}.mobile-only{display:grid}.nav-shell .brand{flex:1}.mobile-panel{display:none;border-top:1px solid var(--line);padding:8px 14px 14px}.mobile-panel.is-open{display:block}.mobile-panel nav{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.mobile-panel a{padding:12px 13px;border-radius:12px;background:var(--soft);font-weight:750;font-size:13px}.hero-inner{min-height:0;padding:44px 0 30px}.hero h1{font-size:44px;letter-spacing:-2px}.hero p{font-size:15px}.hero-mini-features{grid-template-columns:repeat(5,1fr);gap:8px}.mini-feature strong{font-size:10px}.hero-visual{min-height:290px}.hero-card{right:0;top:15px;width:96%;border-radius:22px}.stats-strip{margin-top:0}.stats-card{border-radius:18px}.stat{padding:12px 10px}.stat-icon{width:39px;height:39px}.stat strong{font-size:16px}.section{padding:62px 0}.section-head h2{font-size:30px}.feature-grid{grid-template-columns:1fr 1fr}.pricing-grid{grid-template-columns:1fr}.cta{padding:32px 22px;display:block}.cta .btn{margin-top:18px}.profile-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.site-footer{padding-bottom:96px}.footer-grid{grid-template-columns:1fr 1fr;gap:22px}.footer-bottom{display:block}.footer-bottom span{display:block;margin:6px 0}.mobile-bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:10px;right:10px;bottom:10px;z-index:1500;background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:blur(14px);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;padding:7px 6px env(safe-area-inset-bottom);}.mobile-bottom-nav a{display:grid;place-items:center;gap:2px;color:var(--muted);font-size:9px;font-weight:800;padding:4px 2px}.mobile-bottom-nav a.is-active{color:var(--blue)}.mobile-bottom-nav .center-action{position:relative;margin-top:-24px}.mobile-bottom-nav .center-action span{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--blue),var(--blue2));box-shadow:0 12px 30px rgba(17,103,255,.28);border:4px solid var(--card)}.mobile-bottom-nav .center-action b{font-size:9px;color:var(--blue)}}
@media (max-width:520px){.hero h1{font-size:39px}.hero-mini-features{grid-template-columns:repeat(5,minmax(0,1fr));overflow:hidden}.mini-icon{width:36px;height:36px}.mini-feature strong{font-size:9px}.stats-card{grid-template-columns:1fr}.stat{border-right:0;padding:12px 7px}.stat:last-child{border-bottom:0}.exam-grid{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr}.page-hero h1{font-size:33px}.search-line{display:grid;grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.toast{animation:none;transition:none}}