:root{
  --blue:#0784c8;--deep:#063b68;--cyan:#14bde8;--bg:#f5f9fc;
  --text:#263746;--muted:#657889;--line:#dce8f0;--white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:var(--bg);line-height:1.7}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1200px;margin:auto;padding:0 20px}

header{background:#fff;border-bottom:1px solid var(--line)}
.header-top{max-width:1200px;margin:auto;padding:10px 20px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.logo{width:285px;height:auto;display:block}
.search{display:flex;width:min(400px,100%);border:1px solid #cbd9e4;border-radius:6px;overflow:hidden}
.search input{flex:1;border:0;outline:0;padding:11px 13px;font-size:14px}
.search button{border:0;background:var(--blue);color:#fff;padding:0 18px;font-size:18px;cursor:pointer}

.navbar{background:var(--deep)}
.nav{max-width:1200px;margin:auto;display:flex;flex-wrap:wrap}
.nav-item{position:relative}
.nav-item>a{display:block;color:#fff;padding:13px 18px;font-weight:700;font-size:14px}
.nav-item>a:hover{background:#075084;text-decoration:none}
.dropdown{display:none;position:absolute;z-index:30;top:100%;left:0;min-width:220px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 20px rgba(0,0,0,.14)}
.dropdown a{display:block;padding:9px 14px;color:var(--text);font-size:14px}
.dropdown a:hover{background:#eef8ff;text-decoration:none}
.nav-item:hover .dropdown{display:block}

.mobile-nav{display:none;max-width:1200px;margin:auto;padding:8px 20px;color:#fff;justify-content:space-between;align-items:center}
.mobile-nav select{padding:8px;border:0;border-radius:4px;min-width:220px}

.hero{background:linear-gradient(135deg,#eef9ff 0%,#fff 60%);border-bottom:1px solid var(--line)}
.hero-grid{max-width:1200px;margin:auto;padding:65px 20px 60px;display:grid;grid-template-columns:1.25fr .75fr;gap:45px;align-items:center}
.badge{display:inline-block;background:#dff5ff;color:#056b9f;font-weight:800;padding:6px 12px;border-radius:30px;font-size:12px;text-transform:uppercase}
h1{font-size:clamp(34px,5vw,54px);line-height:1.1;color:var(--deep);margin:15px 0}
.hero p{font-size:18px;color:#536979;max-width:700px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}
.btn{display:inline-block;background:var(--blue);color:#fff;padding:12px 20px;border-radius:6px;font-weight:800}
.btn:hover{background:#066da5;color:#fff;text-decoration:none}
.btn.secondary{background:#fff;color:var(--deep);border:1px solid #b9d5e6}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px;box-shadow:0 10px 30px rgba(3,65,100,.08)}
.hero-card h3{color:var(--deep);margin-top:0}
.stat{display:flex;gap:15px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.stat:last-child{border-bottom:0}
.icon{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:#e7f7ff;color:var(--blue);font-weight:900}

.section{padding:55px 0}
.section.alt{background:#fff}
.section-title{text-align:center;max-width:720px;margin:0 auto 30px}
.section-title h2{font-size:32px;color:var(--deep);margin:0 0 8px}
.section-title p{color:var(--muted);margin:0}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:9px;padding:23px;box-shadow:0 3px 12px rgba(4,55,90,.04)}
.card h3{color:var(--deep);margin:10px 0 6px}
.card p{color:#607384;margin-top:0}
.card-icon{font-size:28px;color:var(--blue)}
.card .link{font-weight:800}

.lesson-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.lesson{background:#fff;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.lesson-top{background:#eaf7ff;padding:18px}
.lesson-body{padding:18px}
.lesson h3{color:var(--deep);margin:0 0 7px}
.lesson small{color:var(--muted)}

.video-section{background:var(--deep);color:#fff}
.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center}
.video-section h2{font-size:32px;margin-top:0}
.video-section p{color:#d8e8f3}
.video-box{background:#0b4d79;border:1px solid #246991;border-radius:10px;min-height:230px;display:grid;place-items:center;text-align:center;padding:25px}
.play{width:70px;height:70px;border-radius:50%;background:var(--cyan);color:#fff;display:grid;place-items:center;font-size:28px;margin:auto}

.practice{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.practice-card{background:#fff;border:1px solid var(--line);border-radius:9px;padding:25px}
.practice-card h3{color:var(--deep);margin-top:0}

.cta{background:#eaf7ff;border-top:1px solid #ccebf8;border-bottom:1px solid #ccebf8}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta h2{color:var(--deep);margin:0}

footer{background:#052f53;color:#d8e8f3}
.footer-grid{max-width:1200px;margin:auto;padding:38px 20px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.footer-logo{width:220px;filter:brightness(0) invert(1)}
footer h3{color:#fff;margin-top:0;font-size:16px}
footer a{display:block;color:#d8e8f3;font-size:13px;padding:3px 0}
.copyright{background:#075084;text-align:center;padding:12px;font-size:12px}

@media(max-width:850px){
  .header-top{flex-direction:column}
  .logo{width:245px}
  .search{width:100%}
  .nav{display:none}
  .mobile-nav{display:flex}
  .hero-grid,.video-grid{grid-template-columns:1fr}
  .cards,.lesson-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .container{padding:0 15px}
  .hero-grid{padding:45px 15px}
  .cards,.lesson-grid,.practice,.footer-grid{grid-template-columns:1fr}
  .hero-actions,.cta-inner{flex-direction:column;align-items:stretch}
}

/* =========================
   About Skymenu page
   ========================= */
.about-hero{background:linear-gradient(135deg,#eefaff 0%,#fff 58%,#f4fbff 100%);border-bottom:1px solid var(--line);overflow:hidden}
.about-hero-grid{max-width:1200px;margin:auto;padding:72px 20px 76px;display:grid;grid-template-columns:1.18fr .82fr;gap:55px;align-items:center}
.about-eyebrow,.about-section-label{color:var(--blue);font-size:12px;font-weight:900;letter-spacing:1.7px;text-transform:uppercase}
.about-hero h1{font-size:clamp(38px,5.2vw,62px);max-width:760px;margin:14px 0 18px;color:var(--deep);letter-spacing:-1.4px}
.about-hero h1 span{color:var(--blue)}
.about-lead{max-width:720px;font-size:19px;line-height:1.8;color:#536979;margin:0}
.about-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.about-learning-panel{background:#fff;border:1px solid #cfe5f0;border-radius:16px;padding:28px;box-shadow:0 18px 45px rgba(3,65,100,.10)}
.about-panel-label{font-size:11px;font-weight:900;letter-spacing:1.4px;color:var(--muted);margin-bottom:20px}
.about-path-item{display:flex;align-items:center;gap:16px}
.about-path-item>div{display:flex;flex-direction:column;gap:2px}
.about-path-number{width:43px;height:43px;border-radius:50%;display:grid;place-items:center;background:#e5f7ff;color:var(--blue);font-size:12px;font-weight:900;flex:none}
.about-path-item strong{color:var(--deep);font-size:16px}
.about-path-item small{color:var(--muted);font-size:13px;line-height:1.45}
.about-path-line{height:22px;width:1px;background:#cfe1eb;margin-left:21px}
.about-breadcrumb{background:#fff;border-bottom:1px solid var(--line)}
.about-breadcrumb .container{padding-top:15px;padding-bottom:15px;font-size:13px;color:var(--muted);display:flex;gap:10px;align-items:center}
.about-breadcrumb strong{color:var(--text)}
.about-intro{background:#fff}
.about-intro-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
.about-intro h2{font-size:42px;color:var(--deep);margin:8px 0 0;line-height:1.15}
.about-intro p{color:#607384;margin-top:0}
.about-intro .about-large-text{font-size:20px;line-height:1.8;color:#40586a}
.about-principles{background:#f8fbfd}
.about-feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.about-feature-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;min-height:235px;transition:transform .2s ease,box-shadow .2s ease}
.about-feature-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(3,65,100,.08)}
.about-feature-icon{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:8px;background:#e8f7ff;color:var(--blue);font-size:11px;font-weight:900;margin-bottom:15px}
.about-feature-card h3{color:var(--deep);margin:0 0 9px;font-size:19px}
.about-feature-card p{color:var(--muted);font-size:14px;margin:0}
.about-resource-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.about-resource-card{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;color:var(--text);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.about-resource-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(3,65,100,.09);border-color:#acd9ec;text-decoration:none}
.about-resource-top{display:flex;justify-content:space-between;align-items:center;color:var(--blue);font-weight:900;margin-bottom:25px}
.about-resource-top b{font-size:22px;font-weight:400}
.about-resource-card h3{color:var(--deep);margin:0 0 7px;font-size:20px}
.about-resource-card p{color:var(--muted);font-size:14px;margin:0;line-height:1.65}
.about-process-section{background:var(--deep);color:#fff}
.about-process-header{display:flex;justify-content:space-between;gap:50px;align-items:end;margin-bottom:32px}
.about-process-header h2{font-size:38px;margin:7px 0 0;color:#fff}
.about-process-header p{max-width:470px;color:#cfe2ee;margin:0}
.about-process-section .about-section-label{color:#63d6f5}
.about-process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#2a6285;border:1px solid #2a6285;border-radius:12px;overflow:hidden}
.about-process-grid article{background:#073d65;padding:26px;min-height:175px}
.about-process-grid span{color:#65d7f5;font-size:12px;font-weight:900;letter-spacing:1px}
.about-process-grid h3{margin:13px 0 7px;color:#fff;font-size:18px}
.about-process-grid p{color:#cfe2ee;font-size:14px;margin:0}
.about-topic-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.about-topic-strip a{background:#fff;border:1px solid var(--line);border-radius:9px;padding:18px;color:var(--text);display:flex;flex-direction:column;gap:4px;min-height:90px}
.about-topic-strip a:hover{border-color:#9ed4e9;background:#fafdff;text-decoration:none}
.about-topic-strip strong{color:var(--deep);font-size:15px}
.about-topic-strip span{color:var(--muted);font-size:12px}
.about-goal{display:grid;grid-template-columns:150px 1fr;gap:40px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:15px;padding:40px;box-shadow:0 8px 25px rgba(3,65,100,.05)}
.about-goal-number{height:150px;border-radius:12px;background:var(--deep);color:#fff;display:grid;place-items:center;text-align:center;font-size:23px;font-weight:900;letter-spacing:2px;line-height:1.15}
.about-goal h2{color:var(--deep);font-size:32px;line-height:1.25;margin:8px 0 12px}
.about-goal p{color:var(--muted);margin:0;max-width:820px}
.about-final-cta{background:#eaf7ff;border-top:1px solid #ccebf8;border-bottom:1px solid #ccebf8}
.about-final-cta-inner{padding-top:42px;padding-bottom:42px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.about-final-cta h2{color:var(--deep);font-size:32px;margin:7px 0 4px}
.about-final-cta p{color:#607384;margin:0}

@media(max-width:950px){
  .about-hero-grid{grid-template-columns:1fr;gap:35px}
  .about-feature-grid,.about-resource-grid{grid-template-columns:1fr 1fr}
  .about-topic-strip{grid-template-columns:repeat(2,1fr)}
  .about-intro-grid{grid-template-columns:1fr;gap:20px}
}
@media(max-width:700px){
  .about-hero-grid{padding-top:50px;padding-bottom:55px}
  .about-feature-grid,.about-resource-grid,.about-process-grid{grid-template-columns:1fr}
  .about-process-header,.about-final-cta-inner{display:block}
  .about-process-header p{margin-top:15px}
  .about-final-cta .about-hero-actions{margin-top:22px}
  .about-goal{grid-template-columns:1fr;padding:25px}
  .about-goal-number{width:100%;height:95px}
}
@media(max-width:560px){
  .about-hero h1{font-size:38px}
  .about-lead{font-size:17px}
  .about-intro h2{font-size:34px}
  .about-topic-strip{grid-template-columns:1fr}
  .about-final-cta h2{font-size:27px}
}

/* Video lessons page */
.video-page-hero{background:linear-gradient(135deg,#eef9ff 0%,#fff 55%,#e9f8ff 100%);border-bottom:1px solid var(--line)}
.video-page-hero-inner{min-height:500px;padding:65px 20px;display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center}
.video-page-hero-copy h1{font-size:clamp(38px,5vw,58px);line-height:1.08;color:var(--deep);margin:16px 0}
.video-page-hero-copy h1 span{color:var(--blue)}
.video-page-hero-copy p{font-size:18px;color:#536979;max-width:650px}
.video-feature-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:0 18px 45px rgba(3,65,100,.12)}
.video-feature-screen{min-height:280px;border-radius:11px;background:linear-gradient(135deg,#063b68,#087fbf);display:grid;place-items:center;color:#fff;position:relative;overflow:hidden}
.video-feature-screen:before,.video-feature-screen:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.12)}
.video-feature-screen:before{width:300px;height:300px}.video-feature-screen:after{width:450px;height:450px}
.video-screen-content{position:relative;z-index:2;text-align:center;display:grid;gap:8px}.video-screen-content span{font-size:13px;color:#d8e8f3}
.play.large{width:82px;height:82px;font-size:30px;margin:0 auto 12px}
.video-feature-info{padding:16px 8px 4px}.video-feature-info span,.video-category{color:var(--blue);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.5px}
.video-feature-info h3{color:var(--deep);font-size:22px;margin:5px 0}.video-feature-info p{margin:0;color:var(--muted)}
.video-benefit-card{min-height:205px}
.video-library-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card{background:#fff;border:1px solid var(--line);border-radius:11px;overflow:hidden;box-shadow:0 4px 15px rgba(4,55,90,.05);transition:transform .2s ease,box-shadow .2s ease}
.video-card:hover{transform:translateY(-4px);box-shadow:0 10px 25px rgba(4,55,90,.10)}
.video-thumbnail{min-height:165px;background:linear-gradient(135deg,#063b68,#0a80bd);display:grid;place-items:center;position:relative;color:#fff}
.video-thumbnail .play{width:60px;height:60px}.topic-label{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:5px 8px;border-radius:4px;font-size:10px;font-weight:800}
.video-card-body{padding:18px}.video-card h3{color:var(--deep);margin:6px 0;font-size:20px}.video-card p{color:#607384;font-size:14px;margin:0 0 14px}.video-card .link{font-weight:800;font-size:13px}
.video-card-coming .video-thumbnail{background:linear-gradient(135deg,#607889,#8aa0ae)}
.video-study-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.video-study-step{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px}
.video-study-step>span{min-width:43px;height:43px;display:grid;place-items:center;border-radius:50%;background:#e7f7ff;color:var(--blue);font-weight:900}
.video-study-step h3{color:var(--deep);margin:0 0 4px;font-size:17px}.video-study-step p{color:var(--muted);margin:0;font-size:14px}
@media(max-width:1050px){.video-library-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:850px){.video-page-hero-inner{grid-template-columns:1fr;padding-top:50px}.video-study-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.video-library-grid,.video-study-grid{grid-template-columns:1fr}.video-feature-screen{min-height:230px}}

/* Contact page */
.contact-hero{background:linear-gradient(135deg,#eef9ff 0%,#fff 58%,#e9f8ff 100%);border-bottom:1px solid var(--line)}
.contact-hero-inner{min-height:420px;padding:60px 20px;display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center}
.contact-hero h1{font-size:clamp(38px,5vw,58px);line-height:1.08;color:var(--deep);margin:16px 0}
.contact-hero h1 span{color:var(--blue)}
.contact-hero p{font-size:18px;color:#536979;max-width:650px}
.contact-hero-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px;box-shadow:0 15px 40px rgba(3,65,100,.10)}
.contact-hero-icon{width:64px;height:64px;display:grid;place-items:center;border-radius:50%;background:#e7f7ff;color:var(--blue);font-size:28px;font-weight:900}
.contact-hero-card h3{color:var(--deep);font-size:24px;margin:20px 0 8px}.contact-hero-card p{font-size:15px;margin:0}
.contact-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:start}
.contact-info h2,.contact-form-heading h2{color:var(--deep);font-size:32px;margin:14px 0 8px}.contact-intro{color:var(--muted);max-width:580px}
.contact-info-list{display:grid;gap:15px;margin-top:28px}.contact-info-item{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:19px}
.contact-icon{min-width:43px;height:43px;display:grid;place-items:center;border-radius:50%;background:#e7f7ff;color:var(--blue);font-weight:900}
.contact-info-item h3{color:var(--deep);margin:0 0 3px;font-size:17px}.contact-info-item p{color:var(--muted);margin:0 0 4px;font-size:14px}.contact-info-item a{font-weight:700;font-size:14px}
.contact-form-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:30px;box-shadow:0 8px 28px rgba(4,55,90,.06)}
.contact-form-heading p{color:var(--muted);margin:0 0 25px}.contact-form{display:grid;gap:18px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-group{display:grid;gap:7px}
.form-group label{color:var(--deep);font-size:14px;font-weight:800}.form-group input,.form-group select,.form-group textarea{width:100%;box-sizing:border-box;border:1px solid #cbd9e4;border-radius:6px;background:#fff;color:var(--text);padding:12px 13px;font:inherit;outline:0}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(7,132,200,.10)}.form-group textarea{resize:vertical;min-height:150px}.contact-submit{border:0;cursor:pointer;font:inherit;width:max-content}.form-note{color:var(--muted);font-size:12px;margin:0}
.faq-grid{max-width:900px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:15px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:9px;padding:18px 20px}.faq-item summary{cursor:pointer;color:var(--deep);font-weight:800}.faq-item p{color:var(--muted);font-size:14px;margin:12px 0 0}
@media(max-width:850px){.contact-hero-inner,.contact-layout{grid-template-columns:1fr}.contact-hero-inner{padding-top:50px}.faq-grid{grid-template-columns:1fr}}
@media(max-width:560px){.contact-form-card{padding:22px 18px}.form-row{grid-template-columns:1fr}.contact-submit{width:100%;text-align:center}}

/* Standard Form Lesson Page */
.lesson-hero{background:linear-gradient(135deg,#eef9ff 0%,#fff 58%,#e8f7ff 100%);border-bottom:1px solid var(--line)}
.lesson-hero-inner{min-height:430px;padding:60px 20px;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.lesson-hero-copy h1{font-size:clamp(42px,5vw,62px);line-height:1.05;color:var(--deep);margin:15px 0 10px}
.lesson-hero-copy>p{font-size:18px;color:#536979;max-width:650px}
.lesson-meta{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}.lesson-meta span{background:#fff;border:1px solid var(--line);border-radius:20px;padding:7px 12px;color:#526a7a;font-size:13px;font-weight:700}
.lesson-hero-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 16px 42px rgba(3,65,100,.10)}
.math-display{min-height:220px;border-radius:12px;background:linear-gradient(135deg,#063b68,#0784c8);color:#fff;display:grid;place-items:center;align-content:center;text-align:center;gap:8px}.math-display span{font-size:12px;text-transform:uppercase;letter-spacing:1px;font-weight:800;color:#d8e8f3}.math-display strong{font-size:44px}.math-display small{font-size:13px;color:#d8e8f3}.lesson-hero-tip{padding:16px 5px 2px}.lesson-hero-tip strong{color:var(--deep)}.lesson-hero-tip p{margin:5px 0 0;color:var(--muted);font-size:14px}
.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:35px;align-items:start}.lesson-main-content{min-width:0}.lesson-intro-box{background:#eaf7ff;border:1px solid #ccebf8;border-radius:12px;padding:25px;margin-bottom:35px}.lesson-intro-box h2{color:var(--deep);margin:10px 0 14px;font-size:25px}.check-list{list-style:none;padding:0;margin:0;display:grid;gap:9px}.check-list li{position:relative;padding-left:28px;color:#4f6575}.check-list li:before{content:'✓';position:absolute;left:0;top:0;color:var(--blue);font-weight:900}
.lesson-section{display:grid;grid-template-columns:54px 1fr;gap:18px;margin-bottom:48px}.lesson-number{width:46px;height:46px;border-radius:50%;background:var(--deep);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:900}.lesson-section h2{color:var(--deep);font-size:29px;margin:0 0 12px}.lesson-section p{color:#596f7e}.formula-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:8px;padding:20px 22px;margin:20px 0}.formula-card strong{display:block;font-size:30px;color:var(--deep)}.formula-card p{margin:7px 0 0;font-size:14px}
.worked-example{background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px;margin:18px 0;box-shadow:0 3px 12px rgba(4,55,90,.035)}.example-label{font-size:11px;font-weight:900;color:var(--blue);letter-spacing:.6px}.worked-example h3{color:var(--deep);margin:7px 0 10px}.worked-example ol{color:#596f7e;padding-left:22px}.answer{background:#eef9ff;border-radius:7px;padding:14px 16px;color:var(--deep);font-size:18px;margin-top:14px}
.conversion-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.conversion-card{background:#fff;border:1px solid var(--line);border-radius:9px;padding:20px}.conversion-card span{font-size:11px;text-transform:uppercase;color:var(--blue);font-weight:900}.conversion-card strong{display:block;color:var(--deep);font-size:23px;margin:8px 0}.conversion-card p{font-size:14px;margin:0 0 10px}.conversion-card b{font-size:20px;color:var(--deep)}
.mistake-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.mistake-card{background:#fff;border:1px solid var(--line);border-radius:9px;padding:17px}.mistake-card strong{color:var(--deep);font-size:15px}.mistake-card p{font-size:13px;margin:7px 0 0}
.practice-preview{background:#f7fbfd;border:1px solid var(--line);border-radius:12px;padding:25px;grid-template-columns:54px 1fr}.question-list{display:grid;gap:10px;margin:18px 0 22px}.question-list div{background:#fff;border:1px solid var(--line);border-radius:7px;padding:12px 14px;color:#536979}.lesson-sidebar{position:sticky;top:20px;display:grid;gap:18px}.lesson-side-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;box-shadow:0 3px 12px rgba(4,55,90,.035)}.lesson-side-card h3{color:var(--deep);margin:8px 0 12px}.lesson-side-card>a{display:block;padding:7px 0;color:#526a7a;border-bottom:1px solid #edf2f5;font-size:14px}.lesson-side-card>a:last-child{border-bottom:0}.progress-line{height:7px;background:#e5edf2;border-radius:10px;overflow:hidden}.progress-line span{display:block;width:25%;height:100%;background:var(--blue)}.lesson-side-card p{color:var(--muted);font-size:13px}.lesson-next-card{background:linear-gradient(135deg,#063b68,#075084);color:#fff}.lesson-next-card span{font-size:10px;font-weight:900;letter-spacing:.7px;color:#bfe8fa}.lesson-next-card h3{color:#fff;font-size:20px}.lesson-next-card p{color:#d8e8f3}.lesson-next-card .btn{background:#fff;color:var(--deep)}
.lesson-navigation{padding-top:35px}.lesson-nav-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.lesson-nav-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 20px;display:flex;align-items:center;gap:14px;color:var(--text)}.lesson-nav-card:hover{text-decoration:none;border-color:#b9d5e6}.lesson-nav-card span{font-size:25px;color:var(--blue);font-weight:800}.lesson-nav-card div{display:grid;gap:3px}.lesson-nav-card small{font-size:10px;color:var(--muted);font-weight:900;letter-spacing:.6px}.lesson-nav-card strong{color:var(--deep)}.lesson-nav-card.next{justify-content:space-between;text-align:right}
@media(max-width:900px){.lesson-hero-inner{grid-template-columns:1fr}.lesson-layout{grid-template-columns:1fr}.lesson-sidebar{position:static;grid-template-columns:1fr 1fr}.lesson-sidebar .lesson-next-card{grid-column:1/-1}.mistake-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.lesson-section{grid-template-columns:1fr}.lesson-number{margin-bottom:-5px}.conversion-grid,.mistake-grid,.lesson-nav-grid,.lesson-sidebar{grid-template-columns:1fr}.lesson-sidebar .lesson-next-card{grid-column:auto}.math-display strong{font-size:34px}.practice-preview{grid-template-columns:1fr}.lesson-hero-inner{padding-top:45px}.lesson-section h2{font-size:25px}}

/* Mathematics lesson pages */
.lesson-page-hero{background:linear-gradient(135deg,#eef9ff 0%,#fff 58%,#e9f8ff 100%);border-bottom:1px solid var(--line)}
.lesson-hero-inner{min-height:430px;padding:60px 20px;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.lesson-hero-copy h1{color:var(--deep);font-size:clamp(40px,5vw,60px);line-height:1.05;margin:16px 0}.lesson-hero-copy p{color:#536979;font-size:18px;max-width:650px}
.lesson-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.lesson-meta span{background:#fff;border:1px solid #cfe4ef;border-radius:30px;padding:7px 12px;color:#4e6677;font-size:12px;font-weight:700}
.lesson-formula-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:35px;box-shadow:0 15px 40px rgba(3,65,100,.10);text-align:center}.formula-label{color:var(--blue);font-size:12px;font-weight:900;letter-spacing:1px}.lesson-formula{color:var(--deep);font-size:clamp(25px,4vw,42px);font-weight:900;margin:22px 0 14px}.lesson-formula-card p{color:var(--muted);margin:0}
.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:35px;align-items:start}.lesson-content{min-width:0}.lesson-intro-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px;margin-bottom:28px}.lesson-intro-card h2{color:var(--deep);margin:12px 0}.lesson-check-list{list-style:none;margin:0;padding:0;display:grid;gap:9px}.lesson-check-list li{position:relative;padding-left:28px;color:#536979}.lesson-check-list li:before{content:"✓";position:absolute;left:0;top:0;color:var(--blue);font-weight:900}
.lesson-section{position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;padding:30px;margin-bottom:22px;scroll-margin-top:20px}.lesson-section-number{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;background:#e7f7ff;color:var(--blue);font-size:12px;font-weight:900}.lesson-section h2{color:var(--deep);font-size:27px;margin:13px 0 10px}.lesson-section p{color:#536979}.definition-box,.example-box,.worked-example{background:#f4fbff;border:1px solid #ccebf8;border-radius:9px;padding:20px;margin:20px 0}.definition-box{color:var(--deep);font-size:18px;text-align:center}.example-title{color:var(--blue);text-transform:uppercase;font-size:11px;font-weight:900;letter-spacing:.8px;margin-bottom:8px}.math-display{background:#fff;border:1px solid var(--line);border-radius:7px;padding:15px;text-align:center;color:var(--deep);font-size:25px;font-weight:900;margin:13px 0}.math-display.small{font-size:21px}.solution{margin-bottom:0}
.comparison-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.comparison-card{background:#f7fbfd;border:1px solid var(--line);border-radius:8px;padding:17px;text-align:center}.comparison-card strong{display:block;color:var(--deep);font-size:13px;margin-bottom:7px}.comparison-card span{color:var(--blue);font-size:20px;font-weight:900}.number-line{display:flex;align-items:center;justify-content:center;gap:8px;margin:28px 0 10px}.number-line span{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:#e7f7ff;color:var(--deep);font-weight:800}.number-line i{width:30px;height:2px;background:#b7d8e7}.example-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.mistake-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.mistake-card{background:#fff8f2;border:1px solid #f0dfcf;border-radius:9px;padding:18px}.mistake-card strong{color:#7a4d27;display:block;margin-bottom:5px}.mistake-card p{margin:0;font-size:14px}
.practice-lesson{background:linear-gradient(135deg,#f6fcff,#fff)}.practice-question-list{display:grid;gap:10px;margin:20px 0}.practice-question{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px}.practice-question span{width:30px;height:30px;min-width:30px;display:grid;place-items:center;border-radius:50%;background:#e7f7ff;color:var(--blue);font-weight:900}.practice-question p{margin:4px 0;color:var(--text)}.answer-toggle{background:#063b68;color:#fff;border-radius:8px;padding:15px 18px;font-size:14px}
.lesson-sidebar{position:sticky;top:20px;display:grid;gap:18px}.lesson-sidebar-card{background:#fff;border:1px solid var(--line);border-radius:11px;padding:21px;box-shadow:0 4px 14px rgba(4,55,90,.04)}.lesson-sidebar-card h3{color:var(--deep);margin:10px 0 7px}.lesson-sidebar-card p{color:var(--muted);font-size:14px}.lesson-progress{height:7px;background:#e8f0f4;border-radius:20px;overflow:hidden;margin:17px 0 6px}.lesson-progress-bar{height:100%;width:45%;background:var(--blue)}.lesson-sidebar-card small{color:var(--muted)}.lesson-side-nav{display:grid;gap:2px;margin-top:15px}.lesson-side-nav a{display:block;padding:7px 8px;border-radius:5px;color:#536979;font-size:13px}.lesson-side-nav a:hover{background:#eef8ff;color:var(--blue);text-decoration:none}.sidebar-action .btn{margin-top:8px}.lesson-navigation{display:flex;justify-content:space-between;gap:15px;margin-top:28px}
@media(max-width:900px){.lesson-hero-inner{grid-template-columns:1fr}.lesson-layout{grid-template-columns:1fr}.lesson-sidebar{position:static;grid-template-columns:1fr 1fr}.lesson-sidebar-card:first-child{grid-column:1 / -1}}
@media(max-width:560px){.lesson-sidebar{grid-template-columns:1fr}.lesson-sidebar-card:first-child{grid-column:auto}.lesson-section{padding:22px 18px}.lesson-intro-card{padding:22px 18px}.comparison-grid,.example-grid,.mistake-grid{grid-template-columns:1fr}.number-line{gap:4px}.number-line i{width:17px}.lesson-navigation{flex-direction:column}.lesson-navigation .btn{text-align:center}}

/* Standard Form course landing page */
.lesson-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.lesson-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;display:grid;grid-template-columns:48px 1fr;gap:16px;box-shadow:0 5px 18px rgba(4,55,90,.04);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.lesson-card:hover{transform:translateY(-3px);border-color:#b9d5e6;box-shadow:0 12px 28px rgba(4,55,90,.08)}
.lesson-card-number{width:44px;height:44px;border-radius:10px;background:#eaf7ff;color:var(--blue);display:grid;place-items:center;font-weight:900;font-size:15px}
.lesson-card h3{color:var(--deep);font-size:20px;margin:8px 0 7px;line-height:1.25}
.lesson-card p{color:var(--muted);font-size:14px;margin:0 0 13px}
.lesson-card a{font-weight:800;font-size:14px;color:var(--blue)}
.lesson-card .badge{font-size:10px;padding:4px 8px}
@media(max-width:900px){.lesson-card-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.lesson-card-grid{grid-template-columns:1fr}.lesson-card{grid-template-columns:42px 1fr;padding:18px}.lesson-card-number{width:40px;height:40px}}

/* Practice landing page */
.practice-page{background:var(--bg)}
.practice-hero{background:linear-gradient(135deg,#063b68 0%,#075b8d 58%,#0784c8 100%);color:#fff;overflow:hidden}
.practice-hero-inner{min-height:430px;display:grid;grid-template-columns:1.3fr .7fr;gap:50px;align-items:center;padding-top:65px;padding-bottom:65px}
.practice-hero-copy{max-width:720px}
.practice-hero .eyebrow,.practice-cta .eyebrow{color:#bfeafb}
.practice-hero h1{font-size:clamp(40px,5vw,62px);line-height:1.08;margin:12px 0 18px;letter-spacing:-1.5px}
.practice-hero-copy>p{font-size:19px;line-height:1.7;color:#e0f2fa;max-width:680px;margin:0 0 28px}
.practice-hero-card{background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.22);border-radius:18px;padding:28px;box-shadow:0 18px 50px rgba(0,0,0,.12);backdrop-filter:blur(5px)}
.practice-card-label{display:block;font-size:11px;font-weight:900;letter-spacing:1.2px;color:#bfeafb;margin-bottom:12px}
.practice-hero-card strong{display:block;font-size:30px;line-height:1.15;margin-bottom:12px}
.practice-hero-card p{color:#d9edf6;margin:0 0 24px}
.practice-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;border-top:1px solid rgba(255,255,255,.2);padding-top:20px}
.practice-stats div{display:grid;gap:2px}.practice-stats b{font-size:23px}.practice-stats span{font-size:11px;color:#cce8f3}
.practice-intro-section,.practice-topics-section,.practice-question-section,.practice-tips-section{padding-top:75px;padding-bottom:20px}
.section-heading{text-align:center;max-width:720px;margin:0 auto 34px}.section-heading h2{font-size:32px;color:var(--deep);margin:8px 0 8px}.section-heading p{color:var(--muted);margin:0}
.eyebrow{display:inline-block;font-size:11px;font-weight:900;letter-spacing:1.15px;color:var(--blue)}
.practice-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.practice-step-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:27px;box-shadow:0 5px 18px rgba(4,55,90,.035)}
.step-number{font-size:12px;font-weight:900;color:var(--blue);letter-spacing:1px;margin-bottom:18px}.practice-step-card h3{margin:0 0 8px;color:var(--deep);font-size:21px}.practice-step-card p{margin:0;color:var(--muted);font-size:14px}
.practice-topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.practice-topic-card{display:grid;grid-template-columns:58px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:23px;transition:transform .2s ease,box-shadow .2s ease}.practice-topic-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(4,55,90,.08)}
.topic-icon{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:#e9f7fd;color:var(--blue);font-weight:900;font-size:12px}.topic-level{font-size:10px;font-weight:900;letter-spacing:1px;color:var(--blue)}.practice-topic-card h3{margin:4px 0 6px;color:var(--deep);font-size:21px}.practice-topic-card p{margin:0 0 10px;color:var(--muted);font-size:14px}.practice-topic-card a{font-size:13px;font-weight:800;color:var(--blue)}
.practice-question-panel{background:linear-gradient(135deg,#f4fbfe,#fff);border:1px solid var(--line);border-radius:16px;padding:34px;display:grid;grid-template-columns:.75fr 1.25fr;gap:35px}.practice-panel-copy h2{font-size:31px;color:var(--deep);margin:8px 0 10px}.practice-panel-copy p{color:var(--muted);font-size:15px}.practice-question-list{display:grid;gap:10px;margin:0}.practice-question{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px 14px}.practice-question span{width:29px;height:29px;min-width:29px;display:grid;place-items:center;border-radius:50%;background:#e7f7ff;color:var(--blue);font-weight:900;font-size:12px}.practice-question p{margin:3px 0;color:var(--text);font-size:14px}.answer-toggle{grid-column:2;background:#063b68;color:#fff;padding:0;border-radius:8px;overflow:hidden}.answer-toggle summary{cursor:pointer;padding:14px 17px;font-weight:800;font-size:14px}.answer-content{background:#f8fbfd;color:var(--text);padding:14px 18px;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(2,1fr);gap:4px 20px}.answer-content p{margin:4px 0;font-size:13px}
.practice-tips-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:stretch}.practice-tip-main{background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px}.practice-tip-main h2{color:var(--deep);font-size:30px;line-height:1.2;margin:9px 0 12px}.practice-tip-main p{color:var(--muted);margin:0}.practice-tip-list{background:#eaf7fd;border:1px solid #d4edf7;border-radius:14px;padding:25px}.practice-tip-list div{display:flex;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid #d5eaf3}.practice-tip-list div:last-child{border-bottom:0}.practice-tip-list span{width:27px;height:27px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--blue);font-weight:900}.practice-tip-list p{margin:0;color:var(--deep);font-weight:700;font-size:14px}
.practice-cta{margin-top:70px;background:linear-gradient(135deg,#063b68,#075084);color:#fff}.practice-cta-inner{padding:55px 0;display:flex;align-items:center;justify-content:space-between;gap:30px}.practice-cta h2{font-size:31px;margin:8px 0;color:#fff}.practice-cta p{color:#d8e8f3;margin:0;max-width:650px}.practice-cta .btn-outline{border-color:#9edcf0;color:#fff}
@media(max-width:900px){.practice-hero-inner{grid-template-columns:1fr;gap:30px}.practice-topic-grid,.practice-question-panel,.practice-tips-grid{grid-template-columns:1fr}.answer-toggle{grid-column:auto}.practice-cta-inner{flex-direction:column;align-items:flex-start}}
@media(max-width:650px){.practice-steps{grid-template-columns:1fr}.practice-topic-grid{grid-template-columns:1fr}.practice-hero h1{font-size:42px}.practice-hero-copy>p{font-size:16px}.practice-hero-card{padding:22px}.practice-question-panel{padding:22px}.answer-content{grid-template-columns:1fr}.practice-intro-section,.practice-topics-section,.practice-question-section,.practice-tips-section{padding-top:55px}.practice-topic-card{grid-template-columns:48px 1fr;padding:18px}.practice-cta-inner{padding:45px 0}}

/* Glossary page */
.glossary-page{background:var(--bg)}
.glossary-hero{background:linear-gradient(135deg,#063b68 0%,#087fbd 58%,#14bde8 100%);color:#fff;padding:72px 20px 78px;overflow:hidden}
.glossary-hero-inner{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.35fr .65fr;gap:48px;align-items:center}
.glossary-hero-copy h1{font-size:clamp(38px,5vw,62px);line-height:1.08;margin:12px 0 20px;max-width:760px;color:#fff}
.glossary-hero-copy p{font-size:18px;line-height:1.8;max-width:720px;color:rgba(255,255,255,.9);margin:0 0 28px}
.glossary-hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.glossary-hero .btn-secondary{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.45);color:#fff}
.glossary-hero-card{background:#fff;color:var(--text);padding:30px;border-radius:22px;box-shadow:0 20px 55px rgba(0,30,60,.22);border:1px solid rgba(255,255,255,.4)}
.glossary-letter{font-size:48px;font-weight:800;color:var(--blue);line-height:1;margin-bottom:18px}
.glossary-hero-card h2{margin:0 0 8px;color:var(--deep)}
.glossary-hero-card p{margin:0;color:var(--muted);line-height:1.7}
.glossary-mini-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.glossary-mini-stats div{background:#f3f9fc;border:1px solid var(--line);border-radius:12px;padding:14px}
.glossary-mini-stats strong{display:block;font-size:24px;color:var(--blue)}
.glossary-mini-stats span{font-size:13px;color:var(--muted)}
.glossary-search-section{padding:34px 20px 0}
.container{max-width:1180px;margin:0 auto}
.glossary-search-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px 28px;display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:center;box-shadow:0 8px 30px rgba(6,59,104,.06)}
.section-kicker{display:block;font-size:12px;letter-spacing:1.5px;font-weight:800;color:var(--blue);margin-bottom:7px}
.glossary-search-card h2{margin:0 0 5px;color:var(--deep)}
.glossary-search-card p{margin:0;color:var(--muted)}
.glossary-search-box{display:flex;align-items:center;border:2px solid var(--line);border-radius:13px;padding:0 15px;background:#fbfdff;transition:.2s}
.glossary-search-box:focus-within{border-color:var(--blue);box-shadow:0 0 0 4px rgba(7,132,200,.1)}
.glossary-search-box span{font-size:25px;color:var(--blue);margin-right:9px}
.glossary-search-box input{border:0;outline:0;width:100%;padding:16px 4px;font:inherit;color:var(--text);background:transparent}
.glossary-topics,.glossary-list-section,.glossary-help-section{padding:78px 20px}
.section-heading{margin-bottom:28px}
.section-heading.centered{text-align:center;max-width:760px;margin-left:auto;margin-right:auto}
.section-heading h2{font-size:34px;color:var(--deep);margin:0 0 9px}
.section-heading p{margin:0;color:var(--muted)}
.glossary-topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.glossary-topic-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px;color:var(--text);transition:transform .2s,box-shadow .2s,border-color .2s}
.glossary-topic-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(6,59,104,.1);border-color:#b8dcea}
.glossary-topic-card span{display:block;font-size:22px;font-weight:800;color:var(--blue);margin-bottom:13px}
.glossary-topic-card strong{display:block;color:var(--deep);font-size:17px;margin-bottom:5px}
.glossary-topic-card small{display:block;color:var(--muted);line-height:1.5}
.glossary-list-section{background:#eef6fa}
.glossary-letter-nav{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 32px}
.glossary-letter-nav a{width:38px;height:38px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);border-radius:9px;font-weight:800;color:var(--deep);font-size:13px}
.glossary-letter-nav a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.glossary-groups{display:grid;gap:28px}
.glossary-group{scroll-margin-top:90px}
.glossary-letter-heading{font-size:28px;font-weight:800;color:var(--blue);border-bottom:2px solid #cfe4ee;padding-bottom:8px;margin-bottom:14px}
.glossary-entries{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
.glossary-entry{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 21px;box-shadow:0 5px 18px rgba(6,59,104,.04)}
.glossary-entry h3{margin:0 0 7px;color:var(--deep);font-size:19px}
.glossary-entry p{margin:0 0 10px;color:var(--muted);line-height:1.65}
.glossary-entry span{display:block;background:#f3f9fc;border-radius:8px;padding:8px 10px;color:#376176;font-size:13px;font-weight:700}
.glossary-empty{text-align:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:50px 20px;margin-top:25px}
.glossary-empty div{font-size:42px;color:var(--blue)}
.glossary-empty h3{margin:8px 0;color:var(--deep)}
.glossary-empty p{margin:0;color:var(--muted)}
.glossary-help-card{background:linear-gradient(135deg,#063b68,#087fbd);border-radius:22px;padding:38px 42px;color:#fff;display:flex;justify-content:space-between;gap:30px;align-items:center}
.glossary-help-card .section-kicker{color:#9deaff}
.glossary-help-card h2{margin:0 0 9px;color:#fff;font-size:32px}
.glossary-help-card p{margin:0;max-width:680px;color:rgba(255,255,255,.88)}
.glossary-help-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0}
.glossary-help-card .btn-outline{color:#fff;border-color:rgba(255,255,255,.5)}
.glossary-entry[hidden],.glossary-group[hidden]{display:none}

@media(max-width:900px){
  .glossary-hero-inner,.glossary-search-card{grid-template-columns:1fr}
  .glossary-topic-grid{grid-template-columns:repeat(2,1fr)}
  .glossary-help-card{display:block}
  .glossary-help-actions{margin-top:22px}
}
@media(max-width:600px){
  .glossary-hero{padding:50px 16px 58px}
  .glossary-hero-copy h1{font-size:38px}
  .glossary-search-section,.glossary-topics,.glossary-list-section,.glossary-help-section{padding-left:16px;padding-right:16px}
  .glossary-search-card{padding:21px}
  .glossary-topic-grid,.glossary-entries{grid-template-columns:1fr}
  .glossary-help-card{padding:28px 24px}
  .glossary-help-card h2{font-size:27px}
}