:root{--color-page-bg:#000;--color-text-dark:#111;--color-text-light:#fff;--color-text-muted:#333;--color-header-bg:#0b090a;--color-header-border:#ffffff1f;--color-primary:#fb006d;--color-primary-text:#fff;--color-secondary:#111;--color-secondary-text:#fff;--color-surface:#fffffff0;--color-surface-solid:#fff;--color-input-border:#ddd;--color-error-bg:#ffe5e5;--color-error-text:#8a0000;--color-success-text:#0b8a3a;--color-modal-backdrop:#000000b8;--color-ai-output-bg:#000000bf;--shadow-card:0 18px 45px #00000047;--shadow-modal:0 24px 80px #00000073;--shadow-button:0 12px 30px #0006}*{box-sizing:border-box}:root{color:var(--color-text-light);background:var(--color-page-bg);font-family:Inter,Manrope,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}html,body,#root{width:100%;min-width:100%;min-height:100%;margin:0;padding:0}body{background:var(--color-page-bg);overflow-x:hidden}button,input,select{font:inherit}button{cursor:pointer}.app{z-index:0;width:100%;min-height:100vh;position:relative}.site-header{z-index:50;background:var(--color-header-bg);border-bottom:1px solid var(--color-header-border);width:100%;position:sticky;top:0}.site-header__inner{align-items:center;gap:16px;width:min(1200px,100% - 32px);height:72px;margin:0 auto;display:flex}.brand{color:var(--color-text-light);align-items:center;gap:10px;text-decoration:none;display:inline-flex}.brand__logo{width:28px;height:28px}.brand__text{letter-spacing:.2px;text-transform:lowercase;font-weight:800}.nav{align-items:center;margin-left:auto;display:flex}.nav-link{background:var(--color-surface-solid);border-radius:999px;justify-content:center;align-items:center;width:42px;height:42px;display:inline-flex}.nav-link img{width:34px;height:34px}.enroll-top-btn,.cart-btn,.primary{background:var(--color-primary);color:var(--color-primary-text);border:0;border-radius:999px;padding:11px 18px;font-weight:800}.main{width:min(1200px,100% - 32px);margin:0 auto;padding:28px 0 64px}.hero{padding:34px 0 20px}.hero h1{max-width:760px;color:var(--color-text-light);letter-spacing:-.05em;margin:0 0 24px;font-size:clamp(34px,6vw,76px);line-height:.95}.search-bar{background:var(--color-surface-solid);width:100%;box-shadow:var(--shadow-button);border-radius:999px;align-items:center;gap:8px;padding:6px;display:flex}.search-bar input{min-width:0;color:var(--color-text-dark);background:0 0;border:0;outline:none;flex:1;padding:13px 16px;font-size:17px}.clear-btn{width:36px;height:36px;color:var(--color-text-dark);background:0 0;border:0;font-size:24px}.send-btn{background:var(--color-secondary);width:46px;height:46px;color:var(--color-secondary-text);border:0;border-radius:50%;font-size:24px;line-height:1}.ai-output{border-left:4px solid var(--color-text-light);background:var(--color-ai-output-bg);color:#eee;white-space:pre-wrap;border-radius:14px;margin-top:18px;padding:18px 20px}.courses-section{margin-top:28px}.section-head{justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;display:flex}.section-head h2{color:var(--color-text-light);letter-spacing:-.03em;margin:0;font-size:34px}.courses-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.course-card{min-height:220px;color:var(--color-text-dark);background:var(--color-surface);box-shadow:var(--shadow-card);border-radius:22px;flex-direction:column;padding:22px;display:flex}.course-card h3{letter-spacing:-.03em;margin:0 0 10px;font-size:28px}.course-card p{color:var(--color-text-muted);margin:0;font-size:16px;line-height:1.45}.course-actions{flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:24px;display:flex}.course-actions button,.course-link-btn{background:var(--color-secondary);color:var(--color-secondary-text);border:0;border-radius:999px;padding:11px 16px;font-weight:800}.course-actions .primary,.primary{background:var(--color-primary);color:var(--color-primary-text)}.wide{width:100%;margin-top:12px}.modal-backdrop{z-index:100;background:var(--color-modal-backdrop);place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal{background:var(--color-surface-solid);width:min(560px,100%);color:var(--color-text-dark);box-shadow:var(--shadow-modal);border-radius:22px;padding:28px;position:relative}.modal h2{margin:0 0 12px;font-size:28px}.modal p{line-height:1.5}.modal-close{color:var(--color-text-dark);background:0 0;border:0;font-size:28px;position:absolute;top:12px;right:14px}.form-input{border:1px solid var(--color-input-border);border-radius:14px;outline:none;width:100%;margin-top:10px;padding:13px 14px}.selected-list{padding-left:20px}.course-link-btn{justify-content:center;align-items:center;text-decoration:none;display:inline-flex}.course-page{background:var(--color-surface);color:var(--color-text-dark);border-radius:24px;margin-top:40px;padding:32px}.course-page h1{letter-spacing:-.05em;margin:20px 0 16px;font-size:clamp(42px,7vw,86px);line-height:.95}.course-page p{max-width:760px;font-size:18px;line-height:1.6}.back-link{color:var(--color-text-dark);font-weight:800;text-decoration:none}.state-box{background:var(--color-surface);color:var(--color-text-dark);border-radius:16px;padding:18px 20px;font-weight:700}.state-box.error{background:var(--color-error-bg);color:var(--color-error-text)}.form-success{color:var(--color-success-text);margin:12px 0 0;font-weight:800}.form-error{color:var(--color-error-text);margin:12px 0 0;font-weight:800}.primary:disabled{opacity:.7;cursor:not-allowed}.admin-page{background:var(--color-page-bg);min-height:100vh;color:var(--color-text-dark);padding:40px 20px}.admin-card,.admin-panel{background:var(--color-surface-solid);border-radius:24px;width:min(1100px,100%);margin:0 auto;padding:28px}.admin-card{max-width:460px;margin-top:10vh}.admin-card h1,.admin-panel h1{margin:0 0 20px}.admin-header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px;display:flex}.leads-table-wrap{width:100%;overflow-x:auto}.leads-table{border-collapse:collapse;width:100%}.leads-table th,.leads-table td{text-align:left;vertical-align:top;border-bottom:1px solid #e5e5e5;padding:12px}.leads-table th{color:#666;font-size:13px}.floating-enroll-btn{z-index:100;background:var(--color-primary);color:var(--color-primary-text);box-shadow:var(--shadow-button);cursor:pointer;border:none;border-radius:999px;padding:14px 18px;font-weight:800;position:fixed;bottom:20px;right:20px}.floating-enroll-btn:hover{transform:translateY(-2px)}.starfield-background{z-index:-1;pointer-events:none;position:fixed;inset:0}.starfield-background canvas{width:100%;height:100%;display:block}@media (width<=760px){.site-header__inner{height:64px}.brand__text{display:none}.courses-grid{grid-template-columns:1fr}.hero{padding-top:24px}.hero h1{font-size:42px}.enroll-top-btn{padding:10px 14px}}