:root{--blue:#01a6de;--ink:#474847;--dark:#202626;--muted:#646b6c;--line:#dce3e5;--pale:#f1f6f7}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0;font:16px/1.65 Arial,Helvetica,sans-serif;color:var(--ink);background:#fff}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--blue);outline-offset:5px}img{max-width:100%;display:block}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.12}h2{font-size:clamp(2rem,3.9vw,3.6rem);letter-spacing:-1.7px;margin-bottom:25px}h3{font-size:1.5rem;letter-spacing:-.6px}p{margin-bottom:22px} .skip{position:absolute;top:-100px;z-index:10;background:white;padding:15px}.skip:focus{top:0}.topbar{background:var(--ink);color:white;padding:9px 6%;display:flex;justify-content:space-between;font-size:12px;letter-spacing:1px}header{padding:17px 6%;display:flex;justify-content:space-between;align-items:center;gap:25px;background:#fff}.brand{display:flex;gap:19px;align-items:center}.brand img{width:72px;height:auto}.brand span{border-left:1px solid var(--line);padding-left:19px;font-size:12px;letter-spacing:1.7px;line-height:1.6;font-weight:700}nav{display:flex;align-items:center;gap:29px;font-size:14px;font-weight:600}nav>a:hover,.text-link:hover{color:#00739a}.button{border:0;background:var(--blue);color:#172b32;display:inline-flex;align-items:center;justify-content:center;padding:17px 24px;font-size:15px;line-height:1.4;font-weight:700;cursor:pointer;transition:background .2s}.button:hover{background:#30b9e7}.compact{padding:13px 21px}.menu{display:none}.hero{position:relative;background:#091923;color:white;min-height:650px;overflow:hidden}.hero-photo{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,15,21,.9),rgba(5,15,21,.45) 50%,rgba(5,15,21,.05)),url('assets/underwater.webp') center 40%/cover;bottom:-25%}.hero-content{position:relative;max-width:900px;padding:68px 0 100px;margin-left:8%}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:700;color:#007ca6;margin-bottom:21px}.hero .eyebrow{color:#6edaff}.hero h1{font-size:clamp(3.2rem,5.4vw,5.3rem);letter-spacing:-3px;margin-bottom:26px;font-weight:700;line-height:1.03}.hero h1 em{font-style:normal;color:#55cefa}.intro{max-width:495px;color:#e0eaed;font-size:18px;line-height:1.7}.actions{display:flex;gap:15px;flex-wrap:wrap;margin-top:31px}.outline{padding:16px 22px;border:1px solid #98afb5;font-size:15px;font-weight:600}.outline:hover{background:#ffffff20}.hero-foot{position:absolute;bottom:0;left:8%;right:6%;display:flex;justify-content:space-between;padding:21px 0;border-top:1px solid #ffffff45;font-size:11px;letter-spacing:1.8px}.facts{display:grid;grid-template-columns:repeat(3,1fr);margin:0 6%;border-bottom:1px solid var(--line);padding:30px 0}.facts div{padding:0 30px;border-right:1px solid var(--line)}.facts div:first-child{padding-left:26px}.facts div:last-child{border:0}.facts span{display:block;font-size:11px;letter-spacing:1.8px;color:var(--muted)}.facts strong{display:block;font-size:21px;letter-spacing:-.5px;margin-top:5px}.section{padding:90px 8%}.section-head{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;align-items:center;margin-bottom:30px}.section-head>p{max-width:480px;color:var(--muted)}.steps{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.steps article{padding:33px 30px 24px;border-right:1px solid var(--line)}.steps article:first-child{padding-left:0}.steps article:last-child{border:0}.step-number{display:block;font-size:52px;font-weight:700;letter-spacing:-2px;color:var(--blue);margin-bottom:24px;line-height:1}.steps .eyebrow{font-size:11px;margin-bottom:15px;color:var(--muted)}.steps p{color:var(--muted)}.source-note{font-size:13px;line-height:1.65;color:var(--muted);margin:18px 0 0}.source-note a{text-decoration:underline}.requirements{background:var(--pale);display:grid;grid-template-columns:1fr 1.1fr;gap:100px}.requirements>div>p:not(.eyebrow){max-width:390px}.text-link{display:inline-block;font-weight:700;font-size:15px;border-bottom:2px solid var(--blue);padding-bottom:5px}.requirement-list>div{display:grid;grid-template-columns:100px 1fr;gap:22px;padding:19px 0;border-bottom:1px solid #d3dfe2}.requirement-list>div:first-child{padding-top:0}.requirement-list strong{font-size:28px;line-height:1.4;color:#007ba5;letter-spacing:-1px}.base{display:grid;grid-template-columns:1.05fr 1fr;gap:75px;align-items:center}.base-photo{position:relative}.base-photo img{width:100%;height:490px;object-fit:cover}.base-photo span{position:absolute;bottom:0;left:0;background:var(--blue);padding:17px 22px;color:#17323b;font-size:11px;letter-spacing:1.6px;font-weight:700}.base-points{padding-left:19px;margin:24px 0 30px}.base-points li{padding:5px}.base-points li::marker{color:var(--blue)}.faq{padding-top:20px;display:grid;grid-template-columns:1fr 1.2fr;gap:60px}.faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;padding:22px 27px 22px 0;font-size:17px;font-weight:700;list-style:none;position:relative}.faq summary::after{content:'+';position:absolute;right:0;color:#007da8;font-size:23px;top:17px}.faq details[open] summary::after{content:'−'}.faq details p{color:var(--muted);padding-right:24px}.contact{background:var(--ink);color:white;display:grid;grid-template-columns:1fr 1fr;gap:90px}.contact .eyebrow{color:#71d8fc}.contact h2{font-size:clamp(2rem,3.8vw,3.5rem)}.contact>div>p:not(.eyebrow){color:#e2e7e8;max-width:420px}.contact-info{display:grid;gap:9px;margin-top:35px}.contact-info>a:first-child{font-size:21px}.contact-info span{font-size:13px;color:#d4dedf;margin-top:10px}form{background:white;color:var(--ink);padding:32px}form h3{margin-bottom:25px}label{font-size:13px;display:block;font-weight:700;margin:13px 0 6px}input,select,textarea{display:block;border:1px solid #cdd6d8;border-radius:0;background:white;padding:11px;width:100%;min-width:0;color:var(--ink);font-size:14px}textarea{resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}form .button{margin-top:20px;width:100%;font-size:14px}.form-note,#form-status{font-size:12px;line-height:1.6;color:var(--muted);margin:13px 0 0}footer{padding:35px 6%;display:flex;align-items:center;justify-content:space-between;gap:30px}.footer-brand{display:flex;align-items:center;gap:20px}.footer-brand img{width:55px;height:auto}.footer-brand span{font-size:12px;line-height:1.8}.footer-brand strong{font-size:14px}.footer-links{display:flex;flex-wrap:wrap;gap:25px;font-size:13px}.footer-links a:hover{text-decoration:underline}@media(min-width:1600px){.hero-content{margin-left:max(8%,calc((100vw - 1344px)/2))}.section{padding-left:max(8%,calc((100vw - 1344px)/2));padding-right:max(8%,calc((100vw - 1344px)/2))}}@media(max-width:1000px){nav{gap:15px}.brand span{display:none}.hero h1{font-size:4rem}.section{padding:65px 6%}.requirements,.contact{gap:40px}.base{gap:35px}.base-photo img{height:430px}.section-head{gap:35px}.steps article{padding:25px 20px}.hero-content{margin-left:6%}.hero-foot{left:6%}}@media(max-width:720px){.topbar{font-size:10px}.topbar>a{display:none}header{padding:12px 6%;position:relative}.brand img{width:58px}.brand span{display:block;font-size:10px}.menu{display:block;border:1px solid var(--line);background:white;padding:10px 15px;cursor:pointer;font-size:14px}nav{display:none;position:absolute;top:100%;left:0;right:0;z-index:5;background:white;padding:22px 6%;box-shadow:0 12px 15px #0002}nav.open{display:flex;flex-direction:column;align-items:stretch}nav a{padding:10px 0}.hero{min-height:650px}.hero-photo{background-position:58% 30%;background-size:auto 100%;bottom:-10%}.hero-content{padding:55px 6% 90px 0}.hero h1{font-size:clamp(2.7rem,9vw,4rem);letter-spacing:-1.8px}.hero .eyebrow{font-size:10px;letter-spacing:1.3px}.intro{font-size:16px;max-width:360px}.actions{flex-direction:column;align-items:flex-start}.hero-foot{font-size:10px}.hero-foot>span:last-child{display:none}.facts{padding:20px 0;gap:12px}.facts div,.facts div:first-child{padding:0 8px 0 0}.facts span{font-size:9px;letter-spacing:.8px}.facts strong{font-size:14px;line-height:1.4}.section{padding:52px 6%}.section-head,.requirements,.base,.faq,.contact{grid-template-columns:1fr;gap:27px}.section-head{margin-bottom:10px}.section-head h2{margin-bottom:0}h2{letter-spacing:-1px}.steps{grid-template-columns:1fr}.steps article,.steps article:first-child{padding:28px 0;border-right:0;border-bottom:1px solid var(--line)}.step-number{float:right;font-size:42px}.steps article p:last-child{max-width:500px;margin-bottom:0}.requirement-list>div{grid-template-columns:85px 1fr;gap:12px}.base-photo img{height:360px}.faq{padding-top:8px}.contact{gap:32px}.contact-info>a:first-child{font-size:19px}form{padding:23px}.form-row{grid-template-columns:1fr;gap:0}footer{align-items:flex-start;flex-direction:column}.footer-links{gap:15px}.source-note{font-size:13px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Course calendar and language selection */
.language-picker{flex-shrink:0;min-width:108px}.language-picker label{font-size:11px;letter-spacing:1px;margin:0 0 3px;color:var(--muted)}.language-picker select{font-size:14px;padding:9px 25px 9px 10px;width:115px;background:#fff}.course-dates{display:grid;grid-template-columns:1.4fr 1fr;padding:25px 8%;gap:35px;background:var(--blue);color:#17313b}.course-dates .date-label{display:block;font-size:12px;font-weight:700;letter-spacing:1.6px}.course-dates strong{display:block;font-size:clamp(1.4rem,2.7vw,2.3rem);line-height:1.25;letter-spacing:-.7px;margin:6px 0}.course-dates p{margin:6px 0 0;font-size:15px}.divemaster-dates{border-left:1px solid #17313b55;padding-left:35px}.divemaster-dates a{display:inline-block;font-size:14px;font-weight:700;border-bottom:1px solid currentColor;margin-top:5px}header{gap:20px}nav{gap:20px;margin-left:auto}.hero h1{overflow-wrap:break-word}@media(min-width:721px) and (max-width:1150px){.brand span{display:none}nav{gap:12px;font-size:13px}header{padding-left:4%;padding-right:4%;gap:13px}nav .compact{padding:12px}.language-picker select{width:106px}}@media(max-width:720px){header{gap:12px;flex-wrap:wrap}.brand{margin-right:auto}.brand span{display:none}.menu{order:2}.language-picker{order:3;min-width:100px}.language-picker label{font-size:10px}.language-picker select{padding:8px;width:106px}.course-dates{padding:23px 6%;gap:18px;grid-template-columns:1fr}.course-dates strong{font-size:1.8rem}.divemaster-dates{border-left:0;border-top:1px solid #17313b55;padding:17px 0 0}.course-dates p{font-size:14px}.hero h1{font-size:clamp(2.4rem,8.4vw,4rem)}}