@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}@keyframes pulse-glow{0%,to{opacity:.4}50%{opacity:.8}}@keyframes slide-up{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes gradient-shift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@keyframes count-in{0%{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}.course-hero{position:relative;min-height:520px;background:linear-gradient(160deg,#0a1628,#1a3263 35%,#1e3a6e 60%,#2a507a);padding:130px 0 70px;color:#fff;overflow:hidden}.course-hero:before{content:"";position:absolute;top:-100px;right:-80px;width:500px;height:500px;background:radial-gradient(circle,rgba(84,119,146,.25) 0%,transparent 70%);border-radius:50%;animation:float 8s ease-in-out infinite}.course-hero:after{content:"";position:absolute;bottom:-120px;left:-60px;width:400px;height:400px;background:radial-gradient(circle,rgba(250,185,91,.08) 0%,transparent 70%);border-radius:50%;animation:float 10s ease-in-out infinite reverse}.hero-blob-3{position:absolute;top:40%;right:15%;width:200px;height:200px;background:radial-gradient(circle,rgba(84,119,146,.12) 0%,transparent 70%);border-radius:50%;animation:pulse-glow 5s ease-in-out infinite;pointer-events:none}.course-hero .container{position:relative;z-index:2}.course-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8rem;color:#fffc;margin-bottom:2rem;animation:slide-up .5s ease both}.course-breadcrumb a{color:#fff9;text-decoration:none;transition:color .2s}.course-breadcrumb a:hover{color:#ffffffe6}.course-breadcrumb .sep{opacity:.8;font-weight:700}.hero-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;background:#ffffff14;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);border-radius:100px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:#ffffffd9;margin-bottom:1.25rem;animation:slide-up .6s ease both}.hero-badge:before{content:"";width:6px;height:6px;background:#58d68d;border-radius:50%;animation:pulse-glow 2s ease-in-out infinite}.course-hero h1{font-size:3.5rem;font-weight:800;line-height:1.15;margin-bottom:1.25rem;max-width:900px;animation:slide-up .7s ease both}.course-hero h1 .text-gradient{background:linear-gradient(135deg,#fff,#b8d4e8,#8fb8d4);background-size:200% 200%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:gradient-shift 6s ease infinite}.course-hero .hero-subtitle{font-size:1.05rem;line-height:1.75;color:#ffffffa6;max-width:600px;margin-bottom:2rem;animation:slide-up .8s ease both}.hero-stats{display:flex;flex-wrap:wrap;gap:12px;animation:slide-up .9s ease both}.hero-stat{display:flex;align-items:center;gap:8px;padding:10px 18px;background:#ffffff0f;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.08);border-radius:12px;font-size:.85rem;color:#ffffffd9;transition:all .3s ease}.hero-stat:hover{background:#ffffff1f;border-color:#fff3;transform:translateY(-2px)}.hero-stat svg{width:18px;height:18px;opacity:.7}.hero-stat strong{font-weight:700;color:#fff}.course-body{display:grid;grid-template-columns:1fr 400px;gap:48px;padding:56px 0 80px;align-items:start}.course-sidebar{position:sticky;top:90px}.sidebar-card{background:#fff;border-radius:20px;box-shadow:0 4px 30px #0000000f,0 1px 3px #0000000a;overflow:hidden;border:1px solid rgba(0,0,0,.06);transition:box-shadow .4s ease}.sidebar-card:hover{box-shadow:0 8px 40px #0000001a,0 2px 6px #0000000f}.sidebar-preview{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,#1a3263,#3a6fa0);display:flex;align-items:center;justify-content:center;cursor:pointer;overflow:hidden}.sidebar-preview-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;transition:opacity .4s ease}.preview-dots{position:absolute;bottom:12px;left:50%;transform:translate(-50%);z-index:2;display:flex;gap:8px}.preview-dot{width:8px;height:8px;border-radius:50%;background:#fff6;border:none;cursor:pointer;transition:all .3s ease;padding:0}.preview-dot:hover{background:#fff9;transform:scale(1.2)}.preview-dot.active{background:#fffffff2;width:24px;border-radius:4px}.sidebar-content{padding:28px}.sidebar-course-title{font-size:1.15rem;font-weight:700;color:#1a3263;line-height:1.4;margin-bottom:12px}.sidebar-price-wrapper{margin-bottom:20px}.sidebar-price{display:flex;align-items:baseline;gap:12px;margin-bottom:2px}.price-main{font-size:2rem;font-weight:800;background:linear-gradient(135deg,#1a3263,#547792);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.price-old{font-size:1rem;color:#9ca3af;text-decoration:line-through}.sidebar-price-note{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;color:#ef4444;font-weight:600;padding:4px 10px;background:#ef44440f;border-radius:6px}.sidebar-cta{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:15px;background:linear-gradient(135deg,#1a3263,#2a5090);color:#fff;border:none;border-radius:14px;font-size:1rem;font-weight:700;cursor:pointer;text-align:center;text-decoration:none;transition:all .35s ease;margin-bottom:10px;position:relative;overflow:hidden}.sidebar-cta:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 40%,rgba(255,255,255,.1));opacity:0;transition:opacity .35s}.sidebar-cta:hover{transform:translateY(-2px);box-shadow:0 8px 24px #1a32634d}.sidebar-cta:hover:before{opacity:1}.sidebar-cta-secondary{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:13px;background:transparent;color:#1a3263;border:2px solid #e5e7eb;border-radius:14px;font-size:.92rem;font-weight:600;cursor:pointer;text-align:center;text-decoration:none;transition:all .3s ease;margin-bottom:24px}.sidebar-cta-secondary:hover{border-color:#1a3263;background:#1a326308}.sidebar-list-title{font-size:.95rem;font-weight:700;color:#1a3263;margin-bottom:12px}.sidebar-features{list-style:none;padding:0}.sidebar-features li{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid #f3f4f6;font-size:.88rem;color:#374151;transition:color .2s}.sidebar-features li:last-child{border-bottom:none}.sidebar-features li svg{width:18px;height:18px;color:#547792;flex-shrink:0}.course-tabs-wrapper{position:sticky;top:72px;background:#ffffffd9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:10;border-bottom:1px solid #e5e7eb;margin-bottom:40px;padding-top:4px}.course-tabs{display:flex;gap:0;position:relative}.course-tab{padding:16px 28px;font-size:.92rem;font-weight:600;color:#9ca3af;cursor:pointer;border:none;background:none;border-bottom:3px solid transparent;margin-bottom:-1px;transition:all .25s ease;white-space:nowrap}.course-tab:hover{color:#4b5563}.course-tab.active{color:#1a3263;border-bottom-color:#1a3263}.tab-panel{display:none;animation:slide-up .4s ease both}.tab-panel.active{display:block}.section-title{font-size:1.5rem;font-weight:800;color:#0f172a;margin-bottom:.75rem;letter-spacing:-.02em}.section-subtitle{font-size:.95rem;color:#6b7280;line-height:1.7;margin-bottom:2rem}.section-desc{font-size:1rem;line-height:1.85;color:#4b5563;margin-bottom:1.5rem}.obj-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:3.5rem}.obj-item{display:flex;gap:14px;padding:20px;background:linear-gradient(135deg,#f8fafce6,#fffffff2);backdrop-filter:blur(6px);border-radius:16px;border:1px solid rgba(0,0,0,.04);transition:all .35s ease;position:relative;overflow:hidden}.obj-item:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(to bottom,#1a3263,#547792);border-radius:4px 0 0 4px;opacity:0;transition:opacity .3s}.obj-item:hover{transform:translateY(-3px);box-shadow:0 8px 30px #0000000f;border-color:#54779226}.obj-item:hover:before{opacity:1}.obj-icon{width:42px;height:42px;background:linear-gradient(135deg,#1a3263,#3a6fa0);border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 4px 12px #1a326333}.obj-icon svg{width:20px;height:20px;color:#fff}.obj-text{font-size:.9rem;color:#374151;line-height:1.55;font-weight:500}.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:3.5rem}.benefit-card{padding:28px 24px;background:#fff;border-radius:20px;border:1px solid rgba(0,0,0,.05);transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.benefit-card:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,#1a3263,#547792,#1a3263);background-size:200% 100%;opacity:0;transition:opacity .4s}.benefit-card:hover{transform:translateY(-6px);box-shadow:0 20px 50px #1a32631a;border-color:#5477921f}.benefit-card:hover:after{opacity:1;animation:gradient-shift 3s ease infinite}.benefit-card-icon{width:52px;height:52px;background:linear-gradient(135deg,#1a32630f,#5477921a);border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;transition:all .35s}.benefit-card:hover .benefit-card-icon{background:linear-gradient(135deg,#1a3263,#3a6fa0)}.benefit-card-icon svg{width:24px;height:24px;color:#1a3263;transition:color .35s}.benefit-card:hover .benefit-card-icon svg{color:#fff}.benefit-card h4{font-size:1rem;font-weight:700;color:#0f172a;margin-bottom:8px}.benefit-card p{font-size:.85rem;color:#6b7280;line-height:1.65}.audience-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:3.5rem}.audience-item{display:flex;align-items:center;gap:14px;padding:16px 20px;background:#f8fafccc;border-radius:14px;font-size:.9rem;color:#374151;font-weight:500;border:1px solid transparent;transition:all .3s ease}.audience-item:hover{background:#fff;border-color:#54779226;transform:translate(4px);box-shadow:0 4px 16px #0000000a}.audience-icon{width:36px;height:36px;background:linear-gradient(135deg,#1a326314,#5477921f);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1rem}.method-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:3.5rem}.method-card{display:flex;gap:16px;padding:22px 20px;background:#fff;border-radius:16px;border:1px solid rgba(0,0,0,.05);transition:all .35s ease}.method-card:hover{border-color:#54779233;box-shadow:0 6px 24px #0000000d;transform:translateY(-3px)}.method-num{width:40px;height:40px;background:linear-gradient(135deg,#1a3263,#3a6fa0);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:.9rem;font-weight:800;color:#fff;flex-shrink:0;box-shadow:0 4px 12px #1a326333}.method-card h4{font-size:.95rem;font-weight:700;color:#0f172a;margin-bottom:4px}.method-card p{font-size:.85rem;color:#6b7280;line-height:1.55}.why-section{background:linear-gradient(135deg,#f0f4f8,#e8eef5,#f5f7fa);border-radius:24px;padding:44px;margin-bottom:3.5rem;border:1px solid rgba(0,0,0,.04);position:relative;overflow:hidden}.why-section:before{content:"";position:absolute;top:-50px;right:-50px;width:200px;height:200px;background:radial-gradient(circle,rgba(26,50,99,.06) 0%,transparent 70%);border-radius:50%}.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.why-card{padding:24px 20px;background:#ffffffd9;backdrop-filter:blur(8px);border-radius:16px;border:1px solid rgba(255,255,255,.8);transition:all .35s ease}.why-card:hover{transform:translateY(-4px);box-shadow:0 10px 30px #0000000f;background:#fff}.why-card-emoji{font-size:1.75rem;margin-bottom:12px;display:block}.why-card h4{font-size:.92rem;font-weight:700;color:#1a3263;margin-bottom:8px}.why-card p{font-size:.83rem;color:#6b7280;line-height:1.6}.accordion{margin-bottom:3rem}.accordion-header-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.accordion-stats{font-size:.82rem;color:#9ca3af;font-weight:500}.accordion-item{border:1px solid rgba(0,0,0,.06);border-radius:14px;margin-bottom:8px;overflow:hidden;transition:all .35s ease}.accordion-item:hover{border-color:#54779226}.accordion-item.open{box-shadow:0 4px 16px #0000000a;border-color:#54779233}.accordion-trigger{width:100%;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;background:#fafbfccc;border:none;cursor:pointer;text-align:left;transition:background .25s}.accordion-item.open 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h3{font-size:1.2rem;font-weight:800;color:#0f172a;margin-bottom:4px}.instructor-role{font-size:.88rem;color:#547792;font-weight:600;margin-bottom:14px}.instructor-info p{font-size:.9rem;color:#4b5563;line-height:1.75}.instructor-badges{display:flex;gap:8px;margin-top:18px;flex-wrap:wrap}.instructor-badge{padding:5px 14px;background:linear-gradient(135deg,#1a32630f,#54779214);border-radius:100px;font-size:.73rem;font-weight:700;color:#1a3263;border:1px solid rgba(26,50,99,.08)}.reco-section{padding:70px 0;background:linear-gradient(to bottom,#f8fafc,#fff)}.reco-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:32px}.reco-card{background:#fff;border-radius:18px;overflow:hidden;border:1px solid rgba(0,0,0,.05);transition:all .4s cubic-bezier(.4,0,.2,1);text-decoration:none;color:inherit}.reco-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px #00000014}.reco-thumb{aspect-ratio:16/9;background:linear-gradient(135deg,#1a3263,#3a6fa0);display:flex;align-items:center;justify-content:center;font-size:2.2rem;position:relative;overflow:hidden}.reco-thumb:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.15),transparent 50%)}.reco-info{padding:20px}.reco-info h4{font-size:.9rem;font-weight:700;color:#0f172a;margin-bottom:10px;line-height:1.4}.reco-tag{display:inline-block;padding:4px 12px;background:#54779214;border-radius:100px;font-size:.7rem;font-weight:700;color:#547792}.mobile-cta-bar{display:none;position:fixed;bottom:0;left:0;right:0;background:#ffffffeb;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:12px 20px;box-shadow:0 -4px 30px #00000014;z-index:100;border-top:1px solid rgba(0,0,0,.06)}.mobile-cta-bar a{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:15px;background:linear-gradient(135deg,#1a3263,#2a5090);color:#fff;border-radius:14px;font-size:1rem;font-weight:700;text-align:center;text-decoration:none;box-shadow:0 4px 16px #1a326340}@media(max-width:1100px){.course-body{grid-template-columns:1fr;gap:40px}.course-sidebar{position:relative;top:0;order:-1}.sidebar-card{max-width:600px;margin:0 auto}.benefit-grid,.why-grid,.reco-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.course-hero{padding:110px 0 30px;min-height:auto}.course-hero h1{font-size:2rem;line-height:1.2}.hero-stats{gap:8px;margin-top:16px}.hero-stat{padding:8px 12px;font-size:.75rem}.course-body{padding:24px 0 80px}.sidebar-card{margin:0 -10px;border-radius:0;border-left:none;border-right:none;box-shadow:none}.sidebar-preview{border-radius:0}.course-tabs-wrapper{top:60px;margin-bottom:24px}.course-tab{padding:12px 16px;font-size:.85rem}.obj-grid,.audience-grid,.method-grid,.benefit-grid,.why-grid,.reco-grid{grid-template-columns:1fr}.instructor-card{flex-direction:column;align-items:center;text-align:center;padding:24px}.instructor-avatar{width:80px;height:80px;font-size:2rem}.instructor-badges{justify-content:center}.mobile-cta-bar{display:block}}