*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;background:#f4f8fb;color:#112434;line-height:1.55}a{color:inherit;text-decoration:none}.topbar{position:sticky;top:0;z-index:30;display:flex;justify-content:space-between;align-items:center;padding:14px clamp(18px,5vw,72px);background:rgba(248,252,255,.88);backdrop-filter:blur(18px);border-bottom:1px solid #dbe8ef}.brand{display:flex;gap:10px;align-items:center}.brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#00a6a6,#1769ff);color:white;font-weight:900;box-shadow:0 9px 24px rgba(23,105,255,.25)}.brand small{display:block;color:#557080}.topbar nav{display:flex;gap:18px;align-items:center;font-weight:700;font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 19px;border:0;border-radius:14px;background:linear-gradient(135deg,#0b8f91,#2563eb);color:#fff;font-weight:800;box-shadow:0 12px 30px rgba(37,99,235,.18);cursor:pointer}.btn.secondary{background:white;color:#17445e;border:1px solid #cadce6;box-shadow:none}.btn.small{padding:10px 14px;border-radius:12px}.ghost{color:#5a7180}.hero{max-width:1200px;margin:auto;padding:78px 26px 44px;display:grid;grid-template-columns:1.2fr .8fr;gap:42px;align-items:center}.eyebrow{display:inline-block;padding:7px 11px;border-radius:999px;background:#ddf8f5;color:#087675;font-weight:900;font-size:12px;letter-spacing:.07em}.hero h1{font-size:clamp(43px,6vw,76px);line-height:.98;letter-spacing:-.055em;margin:18px 0}.hero h1 span{background:linear-gradient(90deg,#0c8e90,#2254d8);background-clip:text;color:transparent}.hero p{font-size:20px;color:#4b6576;max-width:760px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}.mini-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:28px}.mini-stats div{padding:14px;background:white;border:1px solid #d9e5ec;border-radius:15px}.mini-stats b{display:block;font-size:24px;color:#0c6675}.mini-stats span{font-size:12px;color:#6a8291}.architecture-card{background:rgba(255,255,255,.8);border:1px solid #d4e5ec;border-radius:28px;padding:22px;box-shadow:0 30px 70px rgba(26,72,101,.12)}.architecture-card h3{margin:0 0 14px}.flow{display:grid;gap:9px}.node{padding:12px 14px;border-radius:13px;background:#eef8fb;border:1px solid #d5e7ee;font-weight:800}.node.ai{background:#eef2ff}.arrow{text-align:center;color:#84a5b7}.section{max-width:1200px;margin:auto;padding:62px 26px}.section-heading{max-width:800px;margin-bottom:30px}.section-heading span{font-size:12px;font-weight:900;letter-spacing:.08em;color:#0b8687}.section h2{font-size:clamp(30px,4vw,48px);letter-spacing:-.04em;margin:8px 0}.section-heading p{color:#587080;font-size:18px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:white;border:1px solid #dae5ec;border-radius:20px;padding:21px;box-shadow:0 10px 30px rgba(30,74,96,.055)}.card .num{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#e9f8f7;color:#087271;font-weight:900}.card h3{margin:14px 0 8px}.card p{color:#607a89;margin:0}.stack{display:flex;flex-wrap:wrap;gap:10px}.pill{padding:10px 13px;border-radius:12px;background:#fff;border:1px solid #d7e5ec;font-weight:800;color:#315565}.project-card{position:relative;overflow:hidden}.project-card:after{content:"";position:absolute;width:100px;height:100px;border-radius:50%;right:-40px;top:-40px;background:#d8f3ff}.pricebox{display:grid;grid-template-columns:1fr auto;align-items:center;gap:20px;background:linear-gradient(135deg,#0a5867,#253b86);color:white;border-radius:30px;padding:34px}.pricebox h2{margin:0}.price{font-size:46px;font-weight:900}.price small{font-size:15px;font-weight:600}.faq details{background:#fff;border:1px solid #d8e4eb;border-radius:16px;padding:16px 18px;margin:10px 0}.faq summary{font-weight:850;cursor:pointer}.form-wrap{max-width:760px;margin:54px auto;padding:0 24px}.panel{background:#fff;border:1px solid #d8e5ec;border-radius:24px;padding:26px;box-shadow:0 20px 55px rgba(26,72,101,.09)}.field{display:grid;gap:7px;margin:15px 0}.field label{font-weight:800}.field input,.field select,.field textarea{width:100%;padding:13px 14px;border:1px solid #c9dbe4;border-radius:12px;background:#fbfdfe;font:inherit}.muted{color:#657f8e}.flash{max-width:1000px;margin:12px auto;padding:12px 16px;border-radius:12px}.flash.success{background:#e3f8ef;color:#176447}.flash.error{background:#ffeded;color:#8c2c2c}.dashboard{max-width:1200px;margin:auto;padding:42px 26px}.dash-head{display:flex;justify-content:space-between;gap:16px;align-items:end}.progress-shell{height:12px;background:#dfeaf0;border-radius:999px;overflow:hidden}.progress-bar{height:100%;background:linear-gradient(90deg,#079c97,#2e62e8)}.week{margin:24px 0}.lesson-list{display:grid;gap:10px}.lesson-row{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;background:white;border:1px solid #d9e5ec;padding:13px 15px;border-radius:14px}.lesson-row .badge{font-size:12px;font-weight:900;background:#edf6f8;padding:7px 9px;border-radius:9px}.lesson-row.done{border-color:#b9ead6;background:#fbfffd}.lock{opacity:.58}.lesson-body{max-width:900px;margin:auto;padding:46px 24px}.lesson-body article{background:#fff;border:1px solid #d9e5ec;border-radius:24px;padding:28px}.lesson-body h1{font-size:42px;letter-spacing:-.04em}.lesson-body .content{font-size:18px}.codebox{background:#13232d;color:#e6f4f5;border-radius:16px;padding:16px;overflow:auto}.admin-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metric{background:white;border:1px solid #d8e5ec;border-radius:17px;padding:18px}.metric b{font-size:34px;display:block}.table-wrap{overflow:auto;background:#fff;border:1px solid #d8e5ec;border-radius:18px;margin-top:20px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:13px;border-bottom:1px solid #e7eef2}th{font-size:12px;text-transform:uppercase;color:#68818f}.tag{display:inline-block;padding:5px 8px;border-radius:8px;background:#eef4f7;font-size:12px;font-weight:800}footer{max-width:1200px;margin:50px auto 0;padding:30px 26px 46px;border-top:1px solid #dce7ed;display:flex;justify-content:space-between;color:#5d7685}footer div:last-child{display:flex;gap:18px;align-items:center}@media(max-width:900px){.hero{grid-template-columns:1fr}.grid{grid-template-columns:1fr 1fr}.topbar nav a:not(.btn):not(:last-child){display:none}.mini-stats{grid-template-columns:1fr 1fr}.admin-grid{grid-template-columns:1fr 1fr}}@media(max-width:620px){.grid{grid-template-columns:1fr}.hero{padding-top:48px}.hero h1{font-size:46px}.pricebox{grid-template-columns:1fr}.lesson-row{grid-template-columns:auto 1fr}.lesson-row>a:last-child{grid-column:2}.dash-head,footer{display:block}.admin-grid{grid-template-columns:1fr}.topbar{padding:10px 14px}.brand small{display:none}}
/* Campus V2 */
.nav-toggle{display:none;border:0;background:#fff;font-size:24px;border-radius:10px;padding:7px 10px}.topbar nav{flex-wrap:wrap;justify-content:flex-end}.progress-card{min-width:260px;background:#fff;border:1px solid #d8e5ec;border-radius:20px;padding:18px}.progress-card>b{font-size:34px;display:block;line-height:1}.progress-card>span{display:block;color:#69818e;margin:4px 0 12px}.notice{margin:24px 0;background:linear-gradient(135deg,#f8fffe,#eef7ff)}.student-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:24px 0}.metric-link{background:#fff;border:1px solid #d8e5ec;border-radius:18px;padding:18px;transition:.2s}.metric-link:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(25,70,95,.08)}.metric-link span{display:block;color:#69818e;font-size:13px;font-weight:700}.metric-link b{font-size:24px}.campus-section{margin:36px 0}.section-row{display:flex;justify-content:space-between;align-items:end;gap:18px;margin:28px 0 14px}.section-row h2{margin:6px 0 0;font-size:30px}.filter-field input{padding:12px 14px;border:1px solid #cbdce5;border-radius:13px;background:#fff;min-width:250px;font:inherit}.filter-field.wide{margin:20px 0}.filter-field.wide input{width:min(480px,100%)}.session-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.session-card{background:linear-gradient(150deg,#fff,#f0f8ff);border:1px solid #d6e5ee;border-radius:20px;padding:20px}.session-card small{color:#087675;font-weight:900}.session-card h3{margin:8px 0}.session-card b{display:block;margin:12px 0}.week-title{display:flex;align-items:center;gap:12px;margin-bottom:10px}.week-title span{font-size:11px;font-weight:900;letter-spacing:.08em;color:#087675;background:#ddf8f5;padding:7px 9px;border-radius:999px}.week-title h2{margin:0;font-size:24px}.lesson-row small{display:block;margin-top:3px}.lesson-tags{display:flex;gap:6px;margin-top:7px}.lesson-tags span{font-size:10px;font-weight:800;background:#edf4f7;border-radius:999px;padding:4px 7px}.lock-icon{font-size:18px}.timeline{display:grid;gap:14px;margin-top:28px}.timeline-item{display:grid;grid-template-columns:82px 1fr auto;gap:20px;align-items:center;background:#fff;border:1px solid #d8e5ec;border-radius:20px;padding:18px}.timeline-item.past{opacity:.62}.date-chip{width:62px;height:70px;border-radius:16px;background:#eef8fb;display:grid;place-content:center;text-align:center}.date-chip b{font-size:27px;line-height:1}.date-chip span{font-size:11px;font-weight:900;color:#087675}.timeline-item h2{margin:5px 0;font-size:22px}.empty-state{background:#fff;border:1px dashed #bfd4df;border-radius:20px;padding:36px;text-align:center}.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}.resource-card{background:#fff;border:1px solid #d8e5ec;border-radius:20px;padding:20px}.resource-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:#e9f7f6;color:#087675;font-size:11px;font-weight:900;margin-bottom:16px}.resource-card small{color:#68818f;font-weight:800}.resource-card h3{margin:7px 0}.resource-card p{color:#607a89;min-height:48px}.score-hero{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,#0b5867,#263b87);color:#fff;border-radius:24px;padding:24px 28px;margin:24px 0}.score-hero small{display:block;opacity:.75}.score-hero b{font-size:46px}.score-hero p{max-width:520px}.quiz-list,.submission-grid,.review-list{display:grid;gap:14px}.quiz-card{display:flex;justify-content:space-between;gap:20px;align-items:center;background:#fff;border:1px solid #d8e5ec;border-radius:20px;padding:20px}.quiz-card h2{margin:5px 0;font-size:22px}.quiz-score{text-align:right}.quiz-score span{display:block;font-size:12px;color:#68818f}.quiz-score b{font-size:28px;display:block}.question{border:1px solid #d9e5ec;border-radius:18px;padding:18px;margin:18px 0}.question legend{font-weight:850;padding:0 8px}.question label{display:flex;gap:10px;padding:11px;border-radius:12px;cursor:pointer}.question label:hover{background:#f2f8fb}.explanation{background:#eef8f4;padding:12px;border-radius:12px}.result-box{background:#ecf9f5;border:1px solid #c7eadb;border-radius:18px;padding:18px;margin:20px 0}.result-box b{font-size:42px;display:block}.submission-grid{grid-template-columns:repeat(2,1fr)}.submission-card,.review-card{background:#fff;border:1px solid #d8e5ec;border-radius:20px;padding:20px}.submission-head{display:flex;justify-content:space-between;gap:16px;align-items:start}.submission-head h2{font-size:20px;margin:4px 0}.status{display:inline-flex;align-items:center;padding:6px 9px;border-radius:999px;background:#edf3f6;font-size:11px;font-weight:900;text-transform:uppercase;white-space:nowrap}.status-approved,.status-active{background:#ddf6e9;color:#1e6c4b}.status-pending,.status-submitted{background:#fff4d6;color:#86621b}.status-rejected,.status-blocked,.status-changes{background:#ffe3e3;color:#8d3434}.status-reviewed{background:#e7f0ff;color:#315b9a}.grade{font-size:18px;margin:10px 0}.feedback,.student-note{background:#f4f8fb;border-radius:13px;padding:12px}.payment-layout{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0}.big-price{font-size:48px;font-weight:900}.big-price small{font-size:16px}.config-note{background:#fff6db;border:1px solid #f0d995;border-radius:12px;padding:12px;color:#725a1e}.certificate-page{max-width:1050px}.certificate-preview{position:relative;background:linear-gradient(145deg,#fff,#f7fbff);border:8px double #24465d;border-radius:8px;padding:52px 60px;text-align:center;box-shadow:0 24px 70px rgba(22,56,78,.12);margin:26px 0}.cert-mark{width:64px;height:64px;border-radius:20px;background:linear-gradient(135deg,#0a8e8f,#2d5fe2);color:#fff;display:grid;place-items:center;margin:0 auto 10px;font-weight:900;font-size:20px}.certificate-preview>small{letter-spacing:.3em;font-weight:900}.certificate-preview h2{font-size:30px;letter-spacing:.08em}.certificate-preview h3{font-size:36px;margin:16px 0;color:#0c6574}.certificate-preview>strong{display:block;font-size:24px;margin:12px 0}.cert-tech{color:#607a89}.cert-footer{display:flex;justify-content:space-between;border-top:1px solid #cbd9e1;margin-top:42px;padding-top:18px;font-size:12px}.eligibility{background:#fff;border:1px solid #d8e5ec;border-radius:20px;padding:22px}.requirement{display:flex;justify-content:space-between;padding:14px;border-radius:12px;background:#f7f9fa;margin:9px 0}.requirement.ok{background:#eaf8f1}.video-panel,.assignment-callout,.eval-callout{display:flex;justify-content:space-between;align-items:center;gap:20px;background:linear-gradient(135deg,#ecf9f8,#eef3ff);border:1px solid #d4e4ec;border-radius:18px;padding:18px;margin:22px 0}.video-panel h3,.assignment-callout b{margin:3px 0;display:block}.lesson-kicker{display:flex;justify-content:space-between;align-items:center}.lesson-tabs{display:flex;gap:10px;position:sticky;top:78px;background:#fff;padding:12px 0;border-bottom:1px solid #e5edf1;z-index:5;overflow:auto}.lesson-tabs a{font-size:13px;font-weight:850;padding:8px 10px;background:#f1f6f8;border-radius:10px;white-space:nowrap}.lesson-section{padding:26px 0;border-bottom:1px solid #e5edf1}.section-label{font-size:11px;font-weight:900;letter-spacing:.12em;color:#0a8182;margin-bottom:12px}.lead{font-size:19px}.resource-links{display:grid;gap:8px}.resource-links a{background:#f4f8fb;padding:12px;border-radius:12px;font-weight:750}.complete-form{padding-top:24px}.admin-grid{grid-template-columns:repeat(4,1fr)}.admin-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:24px 0}.admin-actions a{background:#fff;border:1px solid #d8e5ec;border-radius:16px;padding:16px}.admin-actions b,.admin-actions span{display:block}.admin-actions span{font-size:12px;color:#6a818e;margin-top:4px}.wide-form{max-width:1080px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.code-input{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:#162832!important;color:#eaf7f8!important}.check-row{display:flex;gap:24px;flex-wrap:wrap;margin:16px 0}.inline-filter,.inline-action{display:flex;gap:8px;align-items:center}.inline-filter{margin:18px 0}.inline-filter select,.inline-action select{padding:9px 10px;border:1px solid #cbdce5;border-radius:10px;background:#fff}.danger-link{border:0;background:none;color:#a63838;font-weight:800;cursor:pointer}.quiz-admin-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}.review-list{margin-top:20px}.review-card{padding:22px}.topbar{min-height:72px}.topbar nav a{white-space:nowrap}
@media(max-width:1050px){.student-metrics,.admin-actions{grid-template-columns:repeat(2,1fr)}.resource-grid{grid-template-columns:1fr 1fr}.topbar nav{position:absolute;top:72px;right:14px;display:none;flex-direction:column;align-items:stretch;background:#fff;border:1px solid #d8e5ec;border-radius:18px;padding:14px;box-shadow:0 20px 50px rgba(20,55,75,.14);min-width:240px}.topbar nav.open{display:flex}.nav-toggle{display:block}.topbar nav a{display:block!important}}
@media(max-width:760px){.student-metrics,.session-grid,.resource-grid,.submission-grid,.payment-layout,.admin-actions,.quiz-admin-list,.form-grid{grid-template-columns:1fr}.timeline-item{grid-template-columns:66px 1fr}.timeline-item>div:last-child{grid-column:2}.quiz-card,.score-hero,.section-row,.video-panel,.assignment-callout,.eval-callout{align-items:stretch;flex-direction:column}.quiz-score{text-align:left}.certificate-preview{padding:34px 20px}.certificate-preview h2{font-size:22px}.certificate-preview h3{font-size:28px}.cert-footer{display:grid;gap:8px}.lesson-tabs{top:66px}.progress-card{width:100%}.dash-head{align-items:stretch}.admin-grid{grid-template-columns:1fr 1fr}}