 :root{--navy:#123b72;--navy2:#0b2850;--blue:#2474d2;--pale:#eef5ff;--ink:#152943;--muted:#6b7b91;--line:#e5edf6;--shadow:0 18px 50px rgba(22,57,100,.10)}
*{box-sizing:border-box}body{font-family:Inter,system-ui,sans-serif;color:var(--ink);background:#fff}a{text-decoration:none}.main-nav{background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid #eaf0f7;z-index:1000;padding:13px 0}.brand-mark{width:42px;height:42px;display:inline-grid;place-items:center;border-radius:13px;background:linear-gradient(145deg,#2d83e8,#123b72);color:white;box-shadow:0 7px 15px #1b5da944;font-size:21px}.brand-name{font-size:14px;line-height:1.15;color:#17365f;font-weight:600}.brand-name b{display:block;font-size:15px}.brand-name small{display:block;font-size:8px;letter-spacing:1.2px;color:#7c8ca2;margin-top:4px}.nav-link{font-size:13px;font-weight:600;color:#53657c!important}.nav-link:hover{color:var(--blue)!important}.btn-primary{background:linear-gradient(135deg,#287fe1,#1556a5);border:0;box-shadow:0 7px 17px #1e64b533}.btn-primary:hover{background:linear-gradient(135deg,#1769c8,#0d4388);transform:translateY(-1px)}.btn-lift{box-shadow:0 12px 25px #061d3d55}.hero-section{background:radial-gradient(circle at 76% 44%,#2769ad 0,transparent 28%),linear-gradient(115deg,#0b2447,#123b72 58%,#164c88);color:white;padding:82px 0 76px;overflow:hidden;position:relative}.hero-section:before{content:"";position:absolute;inset:0;background-image:radial-gradient(#ffffff20 1px,transparent 1px);background-size:24px 24px;opacity:.4}.hero-section .container{z-index:1}.eyebrow,.section-kicker{font-size:10px;font-weight:800;letter-spacing:1.8px;color:#80baff}.eyebrow{display:inline-flex;align-items:center;border:1px solid #ffffff35;padding:9px 13px;border-radius:30px;background:#ffffff0c}.hero-title{font-size:clamp(2.5rem,5vw,4.45rem);font-weight:800;letter-spacing:-2.7px;line-height:1.08}.text-gradient{background:linear-gradient(90deg,#a9d8ff,#fff);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-lead{color:#d1e1f4;max-width:590px;font-size:16px;line-height:1.8}.hero-proof{display:flex;gap:35px}.proof-item{display:flex;flex-direction:column;gap:4px}.proof-item strong{font-size:19px}.proof-item span{font-size:10px;color:#b8cce4}.hero-visual{height:400px;position:relative;display:grid;place-items:center}.hero-orbit{position:absolute;border:1px solid #ffffff26;border-radius:50%;transform:rotate(-24deg)}.orbit-one{width:440px;height:270px}.orbit-two{width:360px;height:220px;transform:rotate(35deg)}.hero-glow{position:absolute;width:270px;height:270px;border-radius:50%;background:#52a8ff;filter:blur(90px);opacity:.25}.hero-device{width:min(340px,85%);padding:12px;border-radius:23px;background:linear-gradient(145deg,#ffffff,#9eb8d6);box-shadow:0 35px 70px #06172e88, inset 0 2px 3px #fff;transform:rotateY(-13deg) rotateX(5deg);z-index:2}.device-top{height:22px;display:flex;gap:5px;align-items:center;padding:0 5px 9px}.device-top span{width:6px;height:6px;background:#7d91aa;border-radius:50%}.device-top small{margin-left:auto;color:#526c8c;font-size:8px;font-weight:800;letter-spacing:1.2px}.device-screen{background:linear-gradient(145deg,#102e56,#174d87);border-radius:14px;padding:25px 23px 20px;color:white;min-height:265px;box-shadow:inset 0 0 30px #06172e66}.screen-label{font-size:9px;letter-spacing:1.8px;color:#8dbff2;font-weight:700}.screen-main-icon{width:55px;height:55px;display:grid;place-items:center;background:#ffffff19;border:1px solid #ffffff2a;border-radius:16px;font-size:28px;margin:22px 0 13px}.screen-title{font-size:18px;font-weight:800}.screen-sub{font-size:9px;color:#a9c3e0;margin-top:5px}.screen-progress{height:6px;background:#ffffff24;border-radius:10px;margin-top:25px}.screen-progress span{display:block;width:72%;height:100%;background:linear-gradient(90deg,#54b9ff,#a3e1ff);border-radius:10px}.screen-nodes{display:flex;justify-content:space-between;margin-top:25px;color:#7fc7ff;font-size:18px}.floating-chip{position:absolute;z-index:3;padding:12px 16px;border-radius:13px;background:#fff;color:#23466f;font-size:11px;font-weight:700;box-shadow:0 14px 35px #071d3c66}.floating-chip i{color:#287fe1;margin-right:7px}.chip-top{top:45px;right:0}.chip-bottom{bottom:42px;left:0}.trust-strip{border-bottom:1px solid var(--line);padding:22px 0;background:#fff}.trust-strip .col-6{display:flex;align-items:center;justify-content:center;gap:10px;color:#5b6f88;font-size:12px;font-weight:600}.trust-strip i{font-size:19px;color:#287fe1}.section-pad{padding:82px 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:32px}.section-heading h2,.display-heading{font-size:clamp(1.8rem,3vw,2.55rem);font-weight:800;letter-spacing:-1.2px;margin:9px 0}.section-heading p{color:var(--muted);font-size:13px;margin:0}.section-kicker{color:#2877ca}.text-link{font-size:12px;font-weight:700;color:#1d65b3}.course-card{border:1px solid #e6edf6;border-radius:18px;background:white;overflow:hidden;box-shadow:0 8px 26px #173b6509;transition:.25s;display:flex;flex-direction:column}.course-card:hover{transform:translateY(-5px);box-shadow:0 20px 42px #173b6517;border-color:#c7dcf5}.course-card-top{height:112px;padding:20px 22px;background:linear-gradient(135deg,#f3f8ff,#eaf2fc);display:flex;align-items:start;justify-content:space-between}.course-category{font-size:10px;font-weight:800;letter-spacing:.5px;text-transform:uppercase;color:#2368b2;background:#e9f3ff;border:1px solid #d5e8ff;border-radius:30px;padding:7px 11px}.course-icon{width:54px;height:54px;display:grid;place-items:center;border-radius:16px;font-size:25px;box-shadow:0 9px 17px #1b4c7d18}.course-icon.blue{background:linear-gradient(145deg,#dceeff,#a9d2ff);color:#145ba5}.course-icon.violet{background:linear-gradient(145deg,#eee7ff,#cfc0ff);color:#6944b7}.course-icon.cyan{background:linear-gradient(145deg,#d9f7ff,#a8e5f4);color:#14738b}.course-icon.indigo{background:linear-gradient(145deg,#e0e7ff,#b8c6ff);color:#3c55a4}.course-icon.orange{background:linear-gradient(145deg,#fff0df,#ffd2a3);color:#ad5c13}.course-icon.pink{background:linear-gradient(145deg,#ffe7f2,#ffc2dd);color:#a93f76}.course-icon.green{background:linear-gradient(145deg,#e1f8e9,#b4e8c4);color:#247847}.course-icon.gold{background:linear-gradient(145deg,#fff5d8,#ffe29a);color:#95680c}.course-card-body{padding:21px 22px 18px;display:flex;flex-direction:column;flex:1}.course-meta{display:flex;gap:16px;color:#8493a7;font-size:10px;font-weight:600}.course-card h3{font-size:16px;line-height:1.45;font-weight:800;margin:15px 0 9px;min-height:46px}.course-card p{font-size:11px;color:#73839a;line-height:1.7;margin:0 0 22px}.course-card-bottom{margin-top:auto;border-top:1px solid #edf1f6;padding-top:14px;display:flex;align-items:center;justify-content:space-between;color:#7a8ba0;font-size:10px;font-weight:600}.course-card-bottom a{width:31px;height:31px;border-radius:10px;background:#edf5ff;color:#1d69b8;display:grid;place-items:center;font-size:16px}.bg-soft{background:#f5f8fc}.about-visual{min-height:340px;position:relative;background:linear-gradient(145deg,#e9f3ff,#d5e7fb);border-radius:28px;display:grid;place-items:center;overflow:hidden}.about-grid{position:absolute;inset:0;background-image:linear-gradient(#fff8 1px,transparent 1px),linear-gradient(90deg,#fff8 1px,transparent 1px);background-size:28px 28px;transform:perspective(400px) rotateX(50deg) scale(1.5);opacity:.55}.about-card{position:absolute;z-index:2;border:1px solid #ffffffc9;background:#ffffffd9;backdrop-filter:blur(12px);box-shadow:0 20px 45px #28527a24;border-radius:20px;padding:25px;display:flex;flex-direction:column}.about-card i{font-size:34px;color:#2478cb;margin-bottom:16px}.about-card b{font-size:16px}.about-card span{font-size:11px;color:#6b7c90;margin-top:6px}.card-main{width:245px;min-height:195px;top:62px;left:12%}.card-float{width:220px;right:7%;bottom:35px;padding:19px}.card-float i{font-size:25px;margin-bottom:9px}.display-heading{line-height:1.2;margin:14px 0 20px}.feature-line{display:flex;gap:13px;margin-top:19px}.feature-line>i{color:#2481d8;font-size:18px}.feature-line div{display:flex;flex-direction:column;gap:4px}.feature-line b{font-size:13px}.feature-line span{font-size:11px;color:#75859a}.cta-panel{border-radius:24px;padding:40px 48px;background:linear-gradient(115deg,#0e2d56,#1b5b9b);color:white;display:flex;align-items:center;justify-content:space-between;gap:24px;box-shadow:0 20px 45px #143d6c30}.cta-panel h2{font-size:clamp(1.5rem,3vw,2.3rem);font-weight:800;margin:12px 0 8px}.cta-panel p{color:#c3d7ed;font-size:12px;margin:0}.site-footer{background:#0b2342;color:#b7c8dc;padding:55px 0 20px}.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:14px}.site-footer p{font-size:11px;line-height:1.8;max-width:350px;color:#9fb3cc}.site-footer .col-lg-3,.site-footer .col-lg-4{display:flex;flex-direction:column;gap:12px;font-size:11px}.site-footer b{color:#fff;margin-bottom:5px}.site-footer a:not(.footer-brand),.site-footer span{color:#a9bdd4}.footer-bottom{border-top:1px solid #ffffff1c;margin-top:35px;padding-top:17px;display:flex;justify-content:space-between;font-size:10px;color:#829bb8}.page-hero{padding:65px 0 58px;background:linear-gradient(120deg,#f1f7ff,#e7f1ff);border-bottom:1px solid #dfebf8}.page-hero h1{font-size:clamp(2rem,4vw,3.1rem);font-weight:800;letter-spacing:-1.6px;margin:12px 0}.page-hero p{color:#6f8198;font-size:14px}.search-wrap{max-width:650px;position:relative;margin-top:25px}.search-wrap>i{position:absolute;left:18px;top:15px;color:#7190b2}.search-wrap input{height:52px;border:1px solid #dce8f5;border-radius:13px;padding-left:48px;padding-right:50px;box-shadow:0 8px 25px #24507c0b}.search-wrap kbd{position:absolute;right:15px;top:14px;background:#f0f4f9;color:#8495a9}.filter-row{display:flex;flex-wrap:wrap;gap:9px}.filter-pill{border:1px solid #dce6f1;background:white;color:#6d7f94;border-radius:30px;padding:9px 17px;font-size:11px;font-weight:700}.filter-pill.active,.filter-pill:hover{background:#155da9;color:white;border-color:#155da9}.result-count{font-size:11px;color:#8090a4}.empty-state{text-align:center;padding:70px 0;color:#8192a7}.empty-state i{font-size:35px;color:#4b8bc9}.empty-state h3{font-size:18px;color:#304967;margin-top:15px}.empty-state p{font-size:12px}.detail-hero{padding:35px 0 65px;background:linear-gradient(120deg,#0b2850,#164d87);color:white}.back-link{font-size:11px;color:#b9d3ed}.detail-hero h1{font-size:clamp(2rem,4vw,3.4rem);font-weight:800;letter-spacing:-1.5px;margin:18px 0}.detail-hero p{color:#c5d8ed;line-height:1.8;font-size:14px;max-width:700px}.detail-stats{display:flex;flex-wrap:wrap;gap:22px;color:#c5d8ed;font-size:11px}.detail-stats i{color:#8fc7ff;margin-right:6px}.detail-art{min-height:245px;border:1px solid #ffffff35;border-radius:24px;background:linear-gradient(145deg,#ffffff20,#ffffff09);box-shadow:inset 0 1px #ffffff50,0 25px 50px #051a3660;padding:27px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;position:relative;overflow:hidden}.detail-art .course-icon{margin-bottom:20px}.detail-art>span{font-size:9px;letter-spacing:2px;color:#9bcaff;font-weight:800}.detail-art>b{font-size:24px;line-height:1.2;margin-top:8px}.detail-art>i{position:absolute;right:22px;bottom:12px;font-size:90px;color:#ffffff0c}.topic-list{border:1px solid var(--line);border-radius:16px;overflow:hidden}.topic-item{display:flex;align-items:center;gap:15px;padding:17px 19px;border-bottom:1px solid var(--line)}.topic-item:last-child{border:0}.topic-number{width:34px;height:34px;display:grid;place-items:center;background:#edf5ff;color:#2473c5;border-radius:10px;font-size:11px;font-weight:800}.topic-item div{display:flex;flex-direction:column;gap:4px}.topic-item b{font-size:12px}.topic-item small{font-size:10px;color:#8796a9}.topic-item>i{color:#aab7c6}.enroll-card{border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow);position:sticky;top:100px}.enroll-card h3{font-size:17px;font-weight:800;line-height:1.4;margin:12px 0 20px}.enroll-row{display:flex;justify-content:space-between;gap:10px;padding:12px 0;border-bottom:1px solid #edf1f6;font-size:10px;color:#8291a4}.enroll-row b{color:#304966;text-align:right}.login-shell{min-height:calc(100vh - 180px);padding:55px 0;display:grid;place-items:center;background:linear-gradient(135deg,#f2f7fd,#e6f0fc)}.login-card{max-width:480px;margin:auto;padding:40px;background:white;border:1px solid #e2ebf5;border-radius:23px;box-shadow:0 25px 70px #173c6518}.login-brand{text-align:center}.login-brand .brand-mark{margin-bottom:18px;width:55px;height:55px;font-size:25px}.login-brand h1{font-size:25px;font-weight:800;letter-spacing:-.7px;margin:12px 0 8px}.login-brand p{font-size:12px;color:#8190a3}.form-label{font-size:11px;font-weight:700;color:#435a75}.form-control{border-color:#dfe8f2}.form-control:focus{border-color:#6ba6e4;box-shadow:0 0 0 .2rem #2a7bd21a}.login-page .site-footer{padding-top:30px}.login-page .footer-bottom{margin-top:20px}
@media(max-width:991px){.hero-section{padding:65px 0}.hero-visual{height:350px;margin-top:10px}.section-pad{padding:65px 0}.card-main{left:8%}.cta-panel{padding:32px}.enroll-card{position:static}}
@media(max-width:575px){.hero-section{padding:52px 0}.hero-title{letter-spacing:-1.5px}.hero-lead{font-size:13px}.hero-proof{gap:18px}.proof-item strong{font-size:15px}.proof-item span{font-size:9px}.hero-visual{height:315px}.hero-device{width:285px}.chip-top{right:-4px;top:25px}.chip-bottom{left:-4px;bottom:22px}.floating-chip{font-size:9px;padding:10px}.trust-strip .col-6{font-size:10px}.section-pad{padding:52px 0}.section-heading{align-items:start;flex-direction:column}.card-main{left:5%;top:42px;width:205px}.card-float{right:4%;bottom:23px;width:190px}.cta-panel{align-items:flex-start;flex-direction:column;padding:28px}.footer-bottom{gap:12px;flex-direction:column}.login-card{padding:28px 22px}.detail-stats{gap:12px}.detail-hero{padding-bottom:45px}}
