:root{
  --green:#27967A;
  --deep-green:#0B8667;
  --mid-green:#178E70;
  --dark-green:#158267;
  --navy:#102A43;
  --deep-navy:#071D2B;
  --lime:#B7E34A;
  --warm:#F8FAF9;
  --soft:#EAF2EF;
  --slate:#52636A;
  --charcoal:#17252A;
  --white:#FFFFFF;
  --border:#DCE8E3;
  --shadow:0 24px 60px rgba(7,29,43,.10);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--warm);
  color:var(--charcoal);
  font:16px/1.65 Inter,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p{margin-top:0}
h1,h2,h3{font-family:Manrope,Inter,sans-serif;color:var(--navy);letter-spacing:-.035em}
a{color:inherit;text-decoration:none}
.shell{width:min(1180px,calc(100% - 48px));margin:auto}
.section{padding:110px 0}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:20px;top:20px;z-index:1000;background:#fff;padding:12px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* Header */
.site-header{
  height:84px;
  position:fixed;
  inset:0 0 auto;
  z-index:100;
  background:rgba(7,29,43,.15);
  border-bottom:1px solid rgba(255,255,255,.12);
  transition:.3s;
}
.site-header.scrolled{
  height:72px;
  background:rgba(7,29,43,.96);
  box-shadow:0 8px 30px rgba(0,0,0,.12);
  backdrop-filter:blur(12px);
}
.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between}
.brand img{
  display:block;
  width:154px;
  height:auto;
  border-radius:12px;
}
.main-nav{display:flex;align-items:center;gap:30px;color:#fff;font-size:14px;font-weight:600}
.main-nav>a:not(.button){opacity:.9}
.main-nav>a:hover{opacity:1;color:var(--lime)}
.nav-signin{padding-left:20px;border-left:1px solid rgba(255,255,255,.25)}
.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  background:var(--green);
  color:#fff!important;
  border:0;
  border-radius:8px;
  padding:15px 22px;
  font-weight:800;
  font-size:14px;
  box-shadow:0 8px 20px rgba(39,150,122,.18);
  transition:.2s;
}
.button:hover{background:var(--deep-green);transform:translateY(-2px)}
.button span,.text-link span{transition:.2s}
.button:hover span,.text-link:hover span{transform:translateX(4px)}
.button-small{padding:11px 16px}
.menu-toggle{display:none;background:none;border:0}
.menu-toggle span:not(.sr-only){display:block;width:26px;height:2px;background:#fff;margin:5px}

/* Hero - intentionally dark for premium contrast */
.hero{
  min-height:780px;
  background:var(--deep-navy);
  position:relative;
  overflow:hidden;
  color:#fff;
  padding:165px 0 120px;
}
.hero:before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:54px 54px;
  mask-image:linear-gradient(to bottom,#000,transparent 90%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative;z-index:2}
.eyebrow{display:flex;align-items:center;gap:11px;color:var(--deep-green);text-transform:uppercase;font-size:12px;font-weight:800;letter-spacing:.16em;margin-bottom:20px}
.eyebrow span{width:30px;height:2px;background:var(--lime)}
.eyebrow.light{color:#D8F3EA}
.hero h1{font-size:clamp(48px,5.2vw,76px);line-height:1.02;color:#fff;margin-bottom:28px}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-lead{font-size:19px;color:#C7D4D8;max-width:680px;line-height:1.7}
.hero-actions{display:flex;align-items:center;gap:28px;margin-top:34px}
.text-link{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--deep-green)}
.light-link{color:#fff}
.hero-proof{display:flex;flex-wrap:wrap;gap:24px;margin-top:42px;padding-top:24px;border-top:1px solid rgba(255,255,255,.13);color:#C8D4D6;font-size:12px;font-weight:700}
.hero-proof span:before{content:"✓";color:var(--lime);margin-right:8px}
.hero-glow{position:absolute;border-radius:50%;filter:blur(4px)}
.hero-glow-a{width:480px;height:480px;background:rgba(39,150,122,.15);right:-120px;top:80px}
.hero-glow-b{width:300px;height:300px;background:rgba(183,227,74,.07);left:35%;bottom:-160px}
.hero-visual{position:relative;min-height:500px;display:flex;align-items:center}
.course-preview{position:relative;z-index:2;width:100%;background:#fff;border-radius:18px;padding:18px;box-shadow:0 38px 90px rgba(0,0,0,.30);transform:rotate(1.2deg)}
.preview-top{display:flex;justify-content:space-between;align-items:center;padding:4px 4px 14px;color:var(--slate);font-size:11px;font-weight:800;letter-spacing:.1em}
.preview-pill{background:var(--soft);color:var(--deep-green);padding:7px 10px;border-radius:99px}
.preview-stage{min-height:260px;border-radius:12px;background:linear-gradient(135deg,var(--navy),#0D4552 60%,var(--deep-green));display:flex;flex-direction:column;justify-content:space-between;padding:28px;color:#fff;position:relative;overflow:hidden}
.preview-stage:after{content:"";position:absolute;width:250px;height:250px;border:42px solid rgba(183,227,74,.12);border-radius:50%;right:-100px;bottom:-100px}
.stage-mark{width:52px;height:52px;border-radius:12px;background:var(--lime);color:var(--deep-navy);display:grid;place-items:center;font-weight:900}
.preview-stage small{letter-spacing:.15em;font-weight:800;color:#B9D3D4}
.preview-stage h2{font-size:30px;color:#fff;line-height:1.1;margin:8px 0 0}
.preview-progress{padding:18px 5px 8px;color:var(--navy)}
.preview-progress>div:first-child{display:flex;justify-content:space-between;font-size:12px}
.progress-track{height:7px;background:var(--soft);border-radius:9px;margin-top:9px;overflow:hidden}
.progress-track i{display:block;width:6.67%;height:100%;background:var(--lime)}
.preview-footer{display:flex;gap:18px;padding:12px 5px 2px;border-top:1px solid #EDF1EF;color:var(--slate);font-size:11px;font-weight:700}
.floating-card{position:absolute;z-index:4;background:#fff;color:var(--navy);box-shadow:var(--shadow);border-radius:12px;padding:13px 15px;display:flex;align-items:center;gap:11px}
.floating-card b{width:38px;height:38px;border-radius:10px;background:var(--lime);display:grid;place-items:center}
.floating-card small,.floating-card strong{display:block}
.floating-card small{font-size:10px;color:var(--slate)}
.floating-card strong{font-size:12px}
.fc-one{left:-44px;bottom:55px}
.fc-two{right:-34px;top:55px}
.hero-edge{position:absolute;bottom:-1px;left:0;right:0;height:50px;background:var(--white);clip-path:polygon(0 80%,100% 0,100% 100%,0 100%)}

/* Shared headings */
.section-intro{display:flex;justify-content:space-between;align-items:end;gap:50px;margin-bottom:55px}
.section-intro h2,.center-heading h2,.certificate h2{font-size:clamp(36px,4vw,54px);line-height:1.08;margin-bottom:0}
.section-intro>p{max-width:480px;color:var(--slate);font-size:17px}
.center-heading{text-align:center;max-width:760px;margin:0 auto 60px}
.eyebrow.centered{justify-content:center}
.center-heading p{color:var(--slate);font-size:17px;max-width:650px;margin:18px auto 0}

/* Featured course - bright white */
.featured{background:var(--white)}
.featured-course{display:grid;grid-template-columns:.9fr 1.1fr;background:#fff;border:1px solid var(--border);border-radius:20px;overflow:hidden;box-shadow:0 20px 50px rgba(16,42,67,.07)}
.course-art{min-height:520px;background:var(--navy);position:relative;padding:44px;overflow:hidden;display:flex;align-items:end}
.course-art-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:42px 42px}
.course-art:after{content:"";position:absolute;width:330px;height:330px;border:70px solid var(--green);border-radius:50%;right:-140px;top:-100px;opacity:.65}
.course-number{position:absolute;top:25px;right:32px;font:800 100px/1 Manrope;color:rgba(255,255,255,.055)}
.course-art-copy{position:relative;z-index:2;color:#fff}
.course-art-copy span,.course-art-copy small{display:block;font-size:11px;letter-spacing:.18em;color:var(--lime);font-weight:800}
.course-art-copy strong{display:block;font:800 42px/1.08 Manrope;margin:15px 0 25px}
.course-content{padding:58px}
.course-meta{display:flex;gap:9px;margin-bottom:20px}
.course-meta span{background:var(--soft);color:var(--deep-green);font-size:10px;font-weight:800;letter-spacing:.1em;padding:7px 10px;border-radius:99px}
.course-content h3{font-size:34px;margin-bottom:12px}
.course-lead{font-size:19px;font-weight:700;color:var(--charcoal)}
.course-content>p:not(.course-lead){color:var(--slate)}
.course-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;border-block:1px solid var(--border);padding:22px 0;margin:28px 0}
.course-stats strong,.course-stats span{display:block}
.course-stats strong{font:800 20px Manrope;color:var(--navy)}
.course-stats span{font-size:10px;color:var(--slate);margin-top:3px}
.dark-button{background:var(--navy)}
.dark-button:hover{background:var(--deep-navy)}

/* What you'll learn - soft light green */
.soft-section{background:var(--soft)}
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.topic{background:rgba(255,255,255,.82);border:1px solid rgba(39,150,122,.14);padding:30px 26px;border-radius:14px;transition:.25s}
.topic:hover{background:#fff;transform:translateY(-5px);box-shadow:0 15px 35px rgba(16,42,67,.08)}
.topic b{font:800 12px Manrope;color:var(--green)}
.topic h3{font-size:18px;margin:25px 0 10px}
.topic p{font-size:13px;color:var(--slate);margin:0}

/* Audience - white */
.audience{background:var(--white)}
.audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.audience-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:34px;position:relative;box-shadow:0 12px 30px rgba(16,42,67,.035)}
.audience-index{position:absolute;right:28px;top:24px;font:800 12px Manrope;color:#A7B8B2}
.audience-icon{width:52px;height:52px;border-radius:13px;background:var(--soft);color:var(--green);display:grid;place-items:center;font:800 21px Manrope}
.audience-card h3{font-size:24px;margin:28px 0 6px}
.audience-card h4{font-size:14px;color:var(--green);margin:0 0 14px}
.audience-card p{color:var(--slate);font-size:14px;min-height:116px}
.audience-card a{font-size:13px;font-weight:800;color:var(--deep-green)}
.audience-dark{background:var(--navy);border-color:var(--navy);color:#DBE7E8}
.audience-dark h3{color:#fff}
.audience-dark h4,.audience-dark a{color:var(--lime)}
.audience-dark .audience-icon{background:var(--lime);color:var(--deep-navy)}
.audience-dark .audience-index{color:#638093}
.audience-dark p{color:#C2D0D4}

/* Learning experience - warm white */
.how{background:var(--warm)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.step{position:relative;padding-right:35px}
.step-num{width:58px;height:58px;border-radius:50%;background:var(--deep-navy);color:var(--lime);display:grid;place-items:center;font:800 14px Manrope;position:relative;z-index:2}
.step-line{height:2px;background:linear-gradient(90deg,var(--lime),var(--green));position:absolute;top:28px;left:58px;right:0}
.step h3{font-size:22px;margin:24px 0 10px}
.step p{font-size:13px;color:var(--slate)}

/* Education - light section with a premium navy panel */
.education{background:var(--soft);position:relative;overflow:hidden}
.education-panel{
  position:relative;
  overflow:hidden;
  background:var(--navy);
  color:#fff;
  border-radius:24px;
  padding:72px;
  box-shadow:0 28px 70px rgba(16,42,67,.14);
}
.education-shape{position:absolute;width:520px;height:520px;border:100px solid rgba(183,227,74,.06);border-radius:50%;right:-170px;top:-180px}
.education-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:90px;position:relative;z-index:2}
.education h2{font-size:clamp(38px,4vw,56px);color:#fff;line-height:1.08}
.education-copy>p{font-size:18px;color:#C8D6D9;max-width:590px}
.lime-button{background:var(--lime);color:var(--deep-navy)!important;box-shadow:none}
.lime-button:hover{background:#C8EE67}
.education-actions{margin-top:30px}
.benefits{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.benefits>div{padding:22px;border:1px solid rgba(255,255,255,.12);border-radius:12px;background:rgba(255,255,255,.055);display:flex;gap:14px}
.benefits b{color:var(--lime);font-size:11px}
.benefits strong,.benefits small{display:block}
.benefits strong{font-size:14px;color:#fff}
.benefits small{font-size:11px;color:#ADC0C5;margin-top:6px;line-height:1.5}

/* Certificate - bright white */
.certificate{background:var(--white)}
.certificate-grid{display:grid;grid-template-columns:.8fr 1.2fr;align-items:center;gap:90px}
.certificate h2 em{font-style:normal;color:var(--green)}
.certificate-copy>p{color:var(--slate);font-size:17px;max-width:450px}
.certificate-card{background:var(--soft);padding:28px;border-radius:18px;transform:rotate(1.5deg);box-shadow:var(--shadow)}
.cert-inner{background:#fff;border:1px solid #D4DFDA;min-height:360px;padding:38px;text-align:center;position:relative}
.cert-inner:before{content:"";position:absolute;inset:10px;border:1px solid var(--green)}
.cert-brand{position:relative;font:800 14px Manrope;color:var(--navy);letter-spacing:.08em}
.cert-brand b{color:var(--green)}
.cert-inner>small{position:relative;display:block;margin:40px 0 18px;color:var(--slate);font-size:9px;letter-spacing:.22em}
.cert-inner h3{position:relative;font-size:31px;line-height:1.1}
.cert-inner p{position:relative;font-size:11px;color:var(--slate)}
.cert-name{position:relative;margin:24px auto 28px;border-bottom:1px solid var(--navy);max-width:260px;padding-bottom:6px;font:700 14px Manrope;color:var(--navy)}
.cert-footer{position:relative;display:flex;justify-content:space-between;font-size:9px;color:var(--slate)}

/* Final CTA - brand green instead of another navy block */
.final-cta{background:var(--green);padding:90px 0;color:#fff;position:relative;overflow:hidden}
.final-cta:after{content:"";position:absolute;width:420px;height:420px;border:75px solid rgba(183,227,74,.13);border-radius:50%;right:-150px;bottom:-250px}
.final-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;align-items:center;position:relative;z-index:2}
.final-cta h2{font-size:clamp(38px,4vw,58px);color:#fff;line-height:1.08;margin:0}
.final-action p{font-size:17px;color:#F1FBF7}
.final-button{background:var(--deep-navy)}
.final-button:hover{background:var(--navy)}
.final-action .button{margin-right:24px}
.final-action .text-link{margin-top:20px}

/* Footer */
.site-footer{background:var(--deep-navy);color:#A9BDC1;padding:70px 0 25px}
.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:50px}
.footer-brand img{width:160px;border-radius:12px}
.footer-brand p{font-size:13px;margin-top:15px}
.site-footer h3{font:800 12px Manrope;color:#fff;text-transform:uppercase;letter-spacing:.12em;margin-bottom:18px}
.site-footer a{display:block;font-size:13px;margin:10px 0}
.site-footer a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:50px;padding-top:22px;display:flex;justify-content:space-between;font-size:11px}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
.delay-1{transition-delay:.12s}

/* Tablet */
@media(max-width:980px){
  .shell{width:min(100% - 34px,760px)}
  .main-nav{position:absolute;top:100%;left:0;right:0;background:var(--deep-navy);padding:20px 24px 28px;display:none;flex-direction:column;align-items:flex-start;gap:18px;border-top:1px solid rgba(255,255,255,.1)}
  .main-nav.open{display:flex}
  .nav-signin{padding-left:0;border-left:0}
  .menu-toggle{display:block}
  .hero{padding-top:135px}
  .hero-grid,.featured-course,.education-grid,.certificate-grid,.final-grid{grid-template-columns:1fr}
  .hero-visual{max-width:620px;margin:20px auto 0;width:100%}
  .section-intro{display:block}
  .section-intro>p{margin-top:20px}
  .topic-grid{grid-template-columns:1fr 1fr}
  .audience-grid{grid-template-columns:1fr}
  .audience-card p{min-height:0}
  .steps{grid-template-columns:1fr 1fr;gap:40px}
  .step:nth-child(2) .step-line{display:none}
  .benefits{grid-template-columns:1fr 1fr}
  .course-art{min-height:400px}
  .certificate-card{max-width:620px}
  .education-panel{padding:54px 44px}
  .footer-grid{grid-template-columns:2fr 1fr 1fr}
  .footer-grid>div:last-child{grid-column:2}
  .fc-two{right:-10px}
  .fc-one{left:-10px}
}

/* Mobile */
@media(max-width:620px){
  .shell{width:calc(100% - 28px)}
  .section{padding:78px 0}
  .brand img{width:135px;border-radius:10px}
  .hero{min-height:auto;padding:125px 0 95px}
  .hero h1{font-size:44px}
  .hero-lead{font-size:16px}
  .hero-actions{align-items:flex-start;flex-direction:column}
  .hero-proof{gap:12px;flex-direction:column}
  .hero-visual{min-height:430px}
  .preview-stage{min-height:220px}
  .preview-stage h2{font-size:24px}
  .floating-card{display:none}
  .section-intro h2,.center-heading h2,.certificate h2{font-size:36px}
  .course-content{padding:32px 25px}
  .course-art{min-height:330px;padding:28px}
  .course-art-copy strong{font-size:32px}
  .course-stats{grid-template-columns:1fr 1fr}
  .topic-grid,.steps,.benefits{grid-template-columns:1fr}
  .step-line{display:none}
  .education-grid,.certificate-grid,.final-grid{gap:45px}
  .education-panel{padding:38px 24px;border-radius:18px}
  .certificate-card{padding:12px}
  .cert-inner{padding:28px 18px;min-height:330px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .footer-grid>div:last-child{grid-column:auto}
  .footer-bottom{gap:12px;flex-direction:column}
  .final-action .button{margin-right:0}
  .final-action .text-link{display:flex}
  .preview-footer{gap:10px;flex-wrap:wrap}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .button,.topic{transition:none}
}