: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}}