:root{--bg-primary: #f8fafc;--bg-surface: #ffffff;--bg-card: #ffffff;--bg-card-hover: #ffffff;--bg-glass: rgba(255, 255, 255, .85);--border-color: #e2e8f0;--border-glow: rgba(99, 102, 241, .35);--text-primary: #0f172a;--text-secondary: #334155;--text-muted: #64748b;--accent-primary: #4f46e5;--accent-secondary: #7c3aed;--accent-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #c026d3 100%);--accent-gradient-hover: linear-gradient(135deg, #4338ca 0%, #6d28d9 50%, #a21caf 100%);--accent-glow: 0 10px 30px -5px rgba(79, 70, 229, .35);--card-shadow: 0 12px 32px -4px rgba(15, 23, 42, .06), 0 4px 12px -2px rgba(15, 23, 42, .04);--card-shadow-hover: 0 20px 40px -8px rgba(79, 70, 229, .16), 0 8px 16px -4px rgba(15, 23, 42, .08);--status-success: #10b981;--status-warning: #f59e0b;--status-info: #2563eb;--font-heading: "Plus Jakarta Sans", "Outfit", -apple-system, sans-serif;--font-body: "Inter", -apple-system, sans-serif}[data-theme=dark]{--bg-primary: #0b0f19;--bg-surface: #131b2e;--bg-card: rgba(19, 27, 46, .85);--bg-card-hover: rgba(30, 41, 69, .95);--bg-glass: rgba(15, 23, 42, .88);--border-color: rgba(255, 255, 255, .1);--border-glow: rgba(99, 102, 241, .45);--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #818cf8;--accent-primary: #6366f1;--accent-secondary: #8b5cf6;--accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);--accent-gradient-hover: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #c026d3 100%);--accent-glow: 0 0 30px rgba(99, 102, 241, .4);--card-shadow: 0 16px 36px -4px rgba(0, 0, 0, .4);--card-shadow-hover: 0 24px 48px -6px rgba(99, 102, 241, .25)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html{scroll-behavior:smooth;font-size:16px}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-body);line-height:1.6;min-height:100vh;background-image:radial-gradient(circle at 12% 12%,rgba(79,70,229,.08) 0%,transparent 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.85fr;gap:3.5rem;align-items:center;margin-bottom:4rem}.hero-left{display:flex;flex-direction:column;align-items:flex-start}.hero-badge{display:inline-flex;align-items:center;gap:.6rem;padding:.45rem 1.1rem;border-radius:9999px;background:#4f46e514;border:1px solid var(--border-glow);color:var(--accent-primary);font-size:.85rem;font-weight:700;margin-bottom:1.5rem}.live-pulse{width:9px;height:9px;border-radius:50%;background-color:var(--status-success);box-shadow:0 0 10px var(--status-success);animation:pulse-ring 1.8s infinite}@keyframes pulse-ring{0%{transform:scale(.95);box-shadow:0 0 #10b981b3}70%{transform:scale(1.1);box-shadow:0 0 0 10px #10b98100}to{transform:scale(.95);box-shadow:0 0 #10b98100}}.student-hero-title{font-size:3.5rem;line-height:1.12;font-weight:800;color:var(--text-primary);margin-bottom:1.25rem}.student-hero-sub{font-size:1.15rem;color:var(--text-secondary);line-height:1.65;margin-bottom:2.25rem;max-width:600px}.hero-actions{display:flex;align-items:center;gap:1.25rem;margin-bottom:2.5rem;width:100%}.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.95rem 1.85rem;border-radius:16px;font-family:var(--font-heading);font-size:1rem;font-weight:700;text-decoration:none;cursor:pointer;transition:all .25s cubic-bezier(.16,1,.3,1);border:none}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:var(--accent-glow)}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 36px #4f46e573}.btn-secondary{background:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border-color);box-shadow:var(--card-shadow)}.btn-secondary:hover{border-color:var(--accent-primary);color:var(--accent-primary);transform:translateY(-3px)}.hero-trust-bar{display:flex;align-items:center;gap:1.25rem}.avatar-stack{display:flex;align-items:center}.avatar{width:40px;height:40px;border-radius:50%;background:var(--accent-gradient);color:#fff;font-weight:700;font-size:.8rem;display:flex;align-items:center;justify-content:center;border:2px solid var(--bg-surface);margin-left:-12px}.avatar.av-1{margin-left:0}.avatar.av-4{background:#3b82f6}.stars{color:#f59e0b;font-weight:700;font-size:.95rem}.rating-num{color:var(--text-primary);margin-left:4px}.trust-text{font-size:.88rem;color:var(--text-muted)}.hero-right{display:flex;justify-content:center}.hero-visual-card{width:100%;max-width:440px;background:var(--bg-glass);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid 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ease}.stat-card:hover{transform:translateY(-4px)}.stat-icon-wrapper{width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;flex-shrink:0}.icon-blue{background:#3b82f61f}.icon-purple{background:#9333ea1f}.icon-green{background:#10b9811f}.icon-amber{background:#f59e0b1f}.stat-number{font-family:var(--font-heading);font-size:1.65rem;font-weight:800;color:var(--text-primary);line-height:1.1}.stat-label{font-size:.85rem;color:var(--text-muted);font-weight:600}.catalog-section{padding:5rem 0 3rem;scroll-margin-top:80px}.section-header{margin-bottom:3rem}.section-subtitle{font-size:.85rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--accent-primary);display:block;margin-bottom:.4rem}.section-title{font-size:2.35rem;font-weight:800;color:var(--text-primary);line-height:1.2}.section-intro{font-size:1.05rem;color:var(--text-secondary);margin-top:.5rem;max-width:650px}.catalog-filter-bar{margin-top:2rem;display:flex;flex-direction:column;gap:1.25rem}.search-input-wrapper{position:relative;width:100%;max-width:520px}.search-icon{position:absolute;left:1.1rem;top:50%;transform:translateY(-50%);font-size:1.1rem;color:var(--text-muted)}.course-search-input{width:100%;padding:.9rem 2.8rem .9rem 3rem;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:16px;font-family:var(--font-body);font-size:.98rem;color:var(--text-primary);outline:none;box-shadow:var(--card-shadow);transition:all .2s ease}.course-search-input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 4px #4f46e526}.search-clear-btn{position:absolute;right:1.1rem;top:50%;transform:translateY(-50%);background:transparent;border:none;color:var(--text-muted);cursor:pointer;font-size:1rem}.tab-filters{display:flex;align-items:center;gap:.75rem;overflow-x:auto;padding-bottom:.5rem;-webkit-overflow-scrolling:touch}.tab-btn{padding:.65rem 1.35rem;border-radius:14px;background:var(--bg-surface);border:1px solid var(--border-color);color:var(--text-secondary);font-family:var(--font-heading);font-weight:700;font-size:.92rem;cursor:pointer;white-space:nowrap;transition:all .2s ease}.tab-btn:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.tab-btn.active{background:var(--accent-gradient);color:#fff;border-color:transparent;box-shadow:var(--accent-glow)}.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:2rem}.course-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:24px;overflow:hidden;box-shadow:var(--card-shadow);display:flex;flex-direction:column;transition:all .3s cubic-bezier(.16,1,.3,1)}.course-card:hover{transform:translateY(-8px);box-shadow:var(--card-shadow-hover);border-color:var(--border-glow)}.course-banner-wrapper{position:relative;width:100%;height:190px;background:#1e293b;overflow:hidden}.course-card-banner-img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}.course-card:hover .course-card-banner-img{transform:scale(1.06)}.course-tag{position:absolute;top:1rem;left:1rem;padding:.35rem .9rem;background:#0f172ad9;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;font-size:.78rem;font-weight:800;border-radius:9999px;border:1px solid rgba(255,255,255,.2)}.course-body{padding:1.5rem;display:flex;flex-direction:column;flex:1}.course-title-text{font-size:1.2rem;font-weight:800;color:var(--text-primary);line-height:1.35;margin-bottom:.85rem}.course-meta-top{display:flex;align-items:center;justify-content:space-between;font-size:.85rem;color:var(--text-muted);font-weight:600;margin-bottom:1.25rem}.course-rating{color:#f59e0b}.course-details{margin-top:auto;padding-top:1rem;border-top:1px solid var(--border-color);margin-bottom:1.25rem}.meta-row{display:flex;align-items:center;justify-content:space-between;font-size:.88rem;color:var(--text-secondary);font-weight:600}.btn-enroll{width:100%;padding:.85rem;background:#4f46e514;border:1px solid var(--border-glow);color:var(--accent-primary);border-radius:14px;font-family:var(--font-heading);font-weight:800;font-size:.95rem;cursor:pointer;transition:all .25s ease}.btn-enroll:hover{background:var(--accent-gradient);color:#fff;box-shadow:var(--accent-glow);border-color:transparent}.modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:#0f172ab3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:300;display:flex;align-items:center;justify-content:center;padding:1.5rem}.course-modal-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:28px;width:100%;max-width:580px;max-height:90vh;overflow-y:auto;position:relative;box-shadow:var(--card-shadow-hover);animation:modal-slide .3s cubic-bezier(.16,1,.3,1)}@keyframes modal-slide{0%{opacity:0;transform:translateY(20px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-close-btn{position:absolute;top:1rem;right:1rem;width:38px;height:38px;border-radius:50%;background:#0f172a99;color:#fff;border:none;font-size:1.1rem;cursor:pointer;z-index:10}.modal-header-banner{position:relative;width:100%;height:210px}.modal-banner-img{width:100%;height:100%;object-fit:cover}.modal-tag-badge{position:absolute;bottom:1rem;left:1.25rem;padding:.35rem .9rem;background:var(--accent-gradient);color:#fff;font-weight:800;font-size:.8rem;border-radius:9999px}.modal-body-content{padding:2rem}.modal-course-title{font-size:1.6rem;font-weight:800;color:var(--text-primary);margin-bottom:1rem}.modal-stats-row{display:flex;gap:1.5rem;margin-bottom:1.5rem;padding-bottom:1.25rem;border-bottom:1px solid var(--border-color)}.m-stat{display:flex;flex-direction:column}.m-label{font-size:.78rem;color:var(--text-muted);text-transform:uppercase;font-weight:700}.m-val{font-size:.95rem;font-weight:700;color:var(--text-primary)}.modal-section{margin-bottom:1.75rem}.modal-section h4{font-size:1.1rem;margin-bottom:.75rem;color:var(--text-primary)}.modal-highlights-list{list-style:none;display:flex;flex-direction:column;gap:.6rem}.modal-highlights-list li{font-size:.95rem;color:var(--text-secondary)}.modal-cta-btn{width:100%;justify-content:center;text-align:center}.features-section{padding:5rem 0;scroll-margin-top:80px}.section-center-header{text-align:center;max-width:700px;margin:0 auto 3.5rem}.section-description{font-size:1.1rem;color:var(--text-secondary);margin-top:.75rem}.features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}.feature-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:24px;padding:2.25rem;box-shadow:var(--card-shadow);transition:all .3s ease}.feature-card:hover{transform:translateY(-6px);border-color:var(--accent-primary);box-shadow:var(--card-shadow-hover)}.feature-icon{font-size:2.5rem;margin-bottom:1.25rem;display:inline-block;padding:.75rem;background:#4f46e514;border-radius:18px}.feature-title{font-size:1.3rem;font-weight:800;color:var(--text-primary);margin-bottom:.75rem}.feature-desc{font-size:1rem;color:var(--text-secondary);line-height:1.6}.download-banner{padding:4rem 0 5rem;scroll-margin-top:80px}.download-card{background:var(--accent-gradient);border-radius:32px;padding:3.5rem 4rem;color:#fff;display:grid;grid-template-columns:1.2fr .8fr;gap:3rem;align-items:center;box-shadow:var(--accent-glow);position:relative;overflow:hidden}.download-card.single-cta-card{grid-template-columns:1fr;text-align:center;padding:3.5rem 3rem}.download-card.single-cta-card .download-content{display:flex;flex-direction:column;align-items:center}.download-card.single-cta-card .download-info-row,.download-card.single-cta-card .download-cta-group{justify-content:center}.download-badge{display:inline-block;padding:.4rem 1rem;background:#fff3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:9999px;font-size:.85rem;font-weight:800;margin-bottom:1.25rem}.download-title{font-size:2.6rem;font-weight:800;line-height:1.15;margin-bottom:1rem}.download-desc{font-size:1.1rem;opacity:.95;line-height:1.6;margin-bottom:2rem}.download-info-row{display:flex;gap:1rem;margin-bottom:2rem}.info-chip{background:#ffffff26;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:.6rem 1.2rem;border-radius:14px;display:flex;flex-direction:column}.chip-label{font-size:.72rem;opacity:.8;text-transform:uppercase;font-weight:700}.chip-value{font-weight:800;font-size:.92rem}.download-cta-group{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.btn-download-primary{background:#fff;color:#4f46e5;padding:1rem 2rem;border-radius:16px;font-family:var(--font-heading);font-weight:800;font-size:1.05rem;text-decoration:none;transition:all .25s ease;box-shadow:0 10px 25px #00000026;display:inline-flex;align-items:center}.btn-download-primary:hover{transform:translateY(-3px);box-shadow:0 16px 32px #00000040}.btn-download-secondary{background:#fff3;color:#fff;padding:1rem 1.75rem;border-radius:16px;font-family:var(--font-heading);font-weight:700;font-size:1rem;text-decoration:none;transition:all .25s ease}.btn-download-secondary:hover{background:#ffffff4d}.download-graphic{display:flex;justify-content:center;align-items:center}.phone-mockup-frame{width:275px;height:530px;background:#090d16;border:10px solid #1e293b;border-radius:44px;box-shadow:0 25px 50px -12px #00000080,0 0 35px #4f46e559;position:relative;overflow:hidden;display:flex;flex-direction:column;animation:float-phone 5s ease-in-out infinite;-webkit-user-select:none;user-select:none}@keyframes float-phone{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-10px) rotate(1deg)}}.phone-notch{position:absolute;top:8px;left:50%;transform:translate(-50%);width:85px;height:20px;background:#000;border-radius:12px;z-index:30;display:flex;align-items:center;justify-content:space-between;padding:0 12px}.camera-lens{width:7px;height:7px;border-radius:50%;background:#111827;border:1px solid #1f2937}.speaker-grille{width:32px;height:3px;border-radius:2px;background:#1f2937}.phone-status-bar{display:flex;align-items:center;justify-content:space-between;padding:8px 18px 4px;font-size:.65rem;color:#94a3b8;font-weight:700;z-index:20}.phone-notification-toast{position:absolute;top:32px;left:12px;right:12px;background:#1e293bf2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.15);border-radius:14px;padding:8px 10px;display:flex;align-items:center;gap:8px;z-index:25;box-shadow:0 8px 20px #0006;animation:slide-toast 4s ease-in-out infinite}@keyframes slide-toast{0%,to{transform:translateY(-40px);opacity:0}15%,85%{transform:translateY(0);opacity:1}}.notif-icon{font-size:1rem}.notif-body{display:flex;flex-direction:column}.notif-body strong{font-size:.72rem;color:#fff}.notif-body span{font-size:.65rem;color:#94a3b8}.phone-screen-content{flex:1;display:flex;flex-direction:column;padding:34px 14px 10px;overflow:hidden;background:#0f172a}.screen-header-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.student-profile{display:flex;align-items:center;gap:8px}.profile-avatar{width:32px;height:32px;border-radius:50%;background:var(--accent-gradient);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.8rem;overflow:hidden}.mini-logo{width:100%;height:100%;object-fit:cover}.greeting-text{font-size:.62rem;color:#94a3b8;display:block}.student-name{font-size:.78rem;color:#fff}.bell-badge{position:relative;font-size:.9rem}.bell-badge .dot{position:absolute;top:-2px;right:-2px;width:6px;height:6px;border-radius:50%;background:#ef4444}.inner-app-banner{border-radius:16px;overflow:hidden;margin-bottom:12px;position:relative}.slide-content{padding:12px;color:#fff;min-height:84px;display:flex;flex-direction:column;justify-content:space-between;transition:background .4s 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#ef444466}.pulse-live{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse-ring 1.5s infinite}.app-screen-body-animated{flex:1;display:flex;flex-direction:column;position:relative;overflow:hidden}.tab-view-pane{flex:1;display:flex;flex-direction:column}.fade-in-tab{animation:fadeInTab .35s ease}@keyframes fadeInTab{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.pane-title-bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;font-size:.78rem;color:#f8fafc}.pane-badge{font-size:.6rem;padding:2px 6px;border-radius:4px;background:#6366f133;color:#818cf8;font-weight:800}.pane-badge.rank{background:#f59e0b33;color:#fbbf24}.mock-batch-card{background:#1e293bb3;border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:8px 10px;margin-bottom:8px}.batch-head{display:flex;align-items:center;justify-content:space-between}.batch-head strong{font-size:.72rem;color:#fff}.b-tag{font-size:.58rem;padding:1px 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rgba(245,158,11,.3);border-radius:10px;text-align:center;font-size:.68rem;color:#fef08a}.profile-card-mock{display:flex;align-items:center;gap:10px;padding:10px;background:#1e293bb3;border:1px solid rgba(255,255,255,.08);border-radius:14px;margin-bottom:10px}.p-avatar-large{width:36px;height:36px;border-radius:50%;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;font-size:1.1rem}.p-details{display:flex;flex-direction:column}.p-details strong{font-size:.8rem;color:#fff}.p-details span{font-size:.62rem;color:#94a3b8}.profile-stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.p-stat-box{background:#1e293b80;border:1px solid rgba(255,255,255,.06);border-radius:10px;padding:8px 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#0000001a}.sticky-bar-left{display:flex;align-items:center;gap:.75rem}.sticky-app-icon{width:40px;height:40px;border-radius:10px;object-fit:contain}.sticky-icon-fallback{width:40px;height:40px;border-radius:10px;background:var(--accent-gradient);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}.sticky-text{display:flex;flex-direction:column}.sticky-text strong{font-size:.95rem;color:var(--text-primary)}.sticky-text span{font-size:.75rem;color:var(--text-muted)}.sticky-download-btn{padding:.6rem 1.2rem;background:var(--accent-gradient);color:#fff;font-weight:800;font-size:.88rem;border-radius:12px;text-decoration:none}.footer{background:var(--bg-surface);border-top:1px solid var(--border-color);padding:3rem 2rem 2.5rem;margin-top:auto}.footer-content{max-width:1280px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:1.25rem;text-align:center}.footer-links{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;justify-content:center}.footer-links a{color:var(--text-secondary);text-decoration:none;font-weight:600;font-size:.95rem;transition:color .2s ease}.footer-links a:hover{color:var(--accent-primary)}.dot{color:var(--text-muted)}.footer p{color:var(--text-muted);font-size:.9rem}.footer-sub{font-size:.82rem}@media(max-width:1024px){.hero-grid{grid-template-columns:1fr;gap:3rem}.hero-left{align-items:center;text-align:center}.student-hero-sub{max-width:100%}.hero-actions{justify-content:center}.stats-grid{grid-template-columns:repeat(2,1fr)}.download-card{grid-template-columns:1fr;padding:3rem 2.5rem;text-align:center}.download-content{display:flex;flex-direction:column;align-items:center}.download-cta-group{justify-content:center}}@media(max-width:768px){.navbar{padding:.75rem 1.25rem}.desktop-nav{display:none}.hamburger-btn{display:flex}.main-container{padding:1.5rem 1.25rem}.student-hero{padding:1.5rem 0 2.5rem}.student-hero-title{font-size:2.35rem}.student-hero-sub{font-size:1rem}.hero-actions{flex-direction:column;width:100%}.btn{width:100%;justify-content:center}.stats-grid{grid-template-columns:repeat(2,1fr);gap:1rem}.stat-card{padding:1rem}.stat-number{font-size:1.3rem}.course-grid,.features-grid{grid-template-columns:1fr}.section-title{font-size:1.85rem}.download-card{padding:2rem 1.5rem;border-radius:24px}.download-title{font-size:1.85rem}.phone-mockup{display:none}.sticky-mobile-bar{display:flex}.footer{padding-bottom:5rem}}@media(max-width:480px){.brand-title{font-size:1.2rem}.student-hero-title{font-size:1.95rem}.stats-grid{grid-template-columns:1fr}.tab-filters{gap:.5rem}.tab-btn{padding:.5rem 1rem;font-size:.85rem}}