/* Art direction: original course's turquoise + English V editorial/immersive visual language. */
.hero{position:relative;isolation:isolate;overflow:hidden;min-height:750px;color:#fff;background:#003e3c}.hero:before{content:'';position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse at 15% 50%,#258b7138,transparent 45%),linear-gradient(105deg,#003f3c,#022f35)}.hero-photo{position:absolute;inset:0 0 0 43%;z-index:-1;background-image:linear-gradient(90deg,#003e3c 0%,#003e3ccc 19%,#003e3c1b 54%,#002b32c4 100%),linear-gradient(0deg,#002b32ef,transparent 48%,#002b3299),url('https://images.unsplash.com/photo-1498050108023-c5249f4df085?auto=format&fit=crop&w=1850&q=85');background-size:cover;background-position:center;filter:saturate(.7) contrast(1.07)}.hero-lines{position:absolute;inset:0;z-index:-1;pointer-events:none;background-image:linear-gradient(#a7e8cc2b 1px,transparent 1px),linear-gradient(90deg,#a7e8cc2b 1px,transparent 1px);background-size:90px 90px;opacity:.26;mask-image:linear-gradient(90deg,#000,transparent 75%)}.hero-inner{position:relative;min-height:750px;padding-top:33px;padding-bottom:26px}.hero-header{display:flex;align-items:center;gap:30px;position:relative;z-index:4}.brand{display:inline-flex;align-items:center;flex:none}.brand img{width:210px;height:auto;display:block;object-fit:contain}.maps-pill{display:inline-flex;align-items:center;gap:9px;border:1px solid #c7eec454;background:#002e2bcc;border-radius:99px;padding:6px 12px 6px 6px;font-size:10px;font-weight:900;letter-spacing:.12em;white-space:nowrap;color:#e1f9e7;backdrop-filter:blur(10px)}.maps-pill b,.maps-pill>span:last-child{color:var(--lime)}.maps-spark{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:var(--lime);color:#043e38;font-size:17px}.hero-top-note{margin-left:auto;color:#c5e2db;font-size:10px;font-weight:800;letter-spacing:.12em}.hero-top-note i{font-style:normal;color:var(--lime);margin:0 10px}.hero-copy{position:relative;z-index:3;width:min(760px,70%);margin-top:115px}.hero-kicker{display:flex;align-items:center;gap:11px;color:#b7e6d5}.hero h1{font-size:clamp(57px,6.55vw,99px);font-weight:800;letter-spacing:-.08em;line-height:.94;margin:25px 0 0}.hero h1 em{font-style:normal;color:var(--aqua)}.hero h1 em span{color:var(--lime)}.hero-lede{font-size:clamp(25px,2.8vw,39px);letter-spacing:-.055em;line-height:1.09;font-weight:700;margin:24px 0 0}.hero-lede strong{color:var(--lime);font-weight:700}.hero-intro{max-width:525px;font-size:15px;line-height:1.62;color:#d2ece4;margin:19px 0 0}.hero-actions{display:flex;align-items:center;gap:23px;flex-wrap:wrap;margin-top:29px}.primary-pill{min-height:57px;background:var(--lime);color:#073d36;border-radius:99px;display:inline-flex;align-items:center;gap:25px;padding:6px 7px 6px 23px;font-size:13px;font-weight:900;transition:transform .2s,box-shadow .2s}.primary-pill:hover{transform:translateY(-3px);box-shadow:0 10px 25px #a9e65f33}.primary-pill span{height:41px;width:41px;background:#043d37;display:grid;place-items:center;border-radius:50%;color:var(--lime)}.secondary-link{display:inline-flex;align-items:center;gap:10px;color:#e7f9f0;font-size:13px;font-weight:700}.secondary-link:hover{color:var(--lime)}.hero-stats{display:flex;align-items:center;gap:16px;margin-top:60px;font-size:13px;color:var(--lime);font-weight:900}.hero-stats b{color:#cce6df;font-size:10px;letter-spacing:.06em;margin-left:5px}.hero-stats i{width:1px;height:16px;background:#ffffff70}.hero-art{position:absolute;inset:0;z-index:2;pointer-events:none}.orbit{position:absolute;right:-225px;top:82px;width:600px;height:600px;border:1px solid #b3ffd13d;border-radius:50%;box-shadow:0 0 0 54px #b6f5680a,0 0 0 106px #b6f56808}.orbit-two{width:415px;height:415px;right:-128px;top:177px;opacity:.52;box-shadow:none}.floating-glyph{position:absolute;right:9%;top:23%;font:900 35px monospace;letter-spacing:-.14em;color:var(--lime);text-shadow:0 0 40px #b6f56866}.code-window{position:absolute;right:5.3%;bottom:88px;width:360px;border:1px solid #b6eeda6e;border-radius:20px;background:#061f2adf;backdrop-filter:blur(18px);box-shadow:0 25px 70px #011b24cc;transform:rotate(3deg);overflow:hidden;animation:float 7s ease-in-out infinite}.code-window-top{display:flex;align-items:center;gap:14px;padding:13px 16px;border-bottom:1px solid #ffffff24;color:#b7ddd9;font:11px monospace}.code-window-top>span{margin-left:auto;font-size:16px}.dots{display:inline-flex;gap:5px}.dots i{height:7px;width:7px;background:#f28274;border-radius:50%}.dots i:nth-child(2){background:#f6c66f}.dots i:nth-child(3){background:#7fd8a4}.code-window-body{padding:25px 17px 22px;font:12px/1.4 monospace;color:#e0f5ec}.code-window-body>div{display:flex;gap:15px;margin-bottom:12px}.code-window-body>div:last-child{margin:0}.code-window-body small{color:#709698;font-size:11px}.code-window-body b{color:#9ddfff;font-weight:500}.code-window-body em{color:#dbf48d;font-style:normal}.code-window-body strong{color:#ffcf91;font-weight:500}.code-window-body code{color:#dbfae8}.code-window-body code span{color:#c9efab}.code-window-body .indented{padding-left:16px}.code-window-body .comment{color:#78a7a7}.window-bottom{display:flex;justify-content:space-between;background:#0a544c;color:var(--lime);padding:10px 16px;font:9px monospace;letter-spacing:.1em}.window-bottom span{color:#d0e7dc}.hero-foot{position:absolute;left:clamp(23px,4.5vw,70px);bottom:22px;display:flex;align-items:center;gap:12px;font-size:10px;letter-spacing:.13em;color:#c8e7d5}.hero-foot i{width:28px;height:1px;background:var(--lime)}.hero-foot b{color:var(--lime);font-size:15px}.maps-ribbon{background:var(--aqua);color:#064944}.ribbon-inner{min-height:67px;display:flex;align-items:center;gap:21px;font-size:11px;letter-spacing:.095em;font-weight:900}.ribbon-inner span b{color:#218c7d;margin-right:8px;font-size:10px}.ribbon-inner>i{height:17px;width:1px;background:#5bc8bb}.ribbon-inner>strong{margin-left:auto;font-size:10px;letter-spacing:.1em}.course-nav{position:sticky;top:0;z-index:40;background:#fbfffaf0;border-bottom:1px solid #d3e8da;backdrop-filter:blur(16px)}.nav-inner{min-height:65px;display:flex;align-items:center;gap:23px}.nav-name{white-space:nowrap;font-size:12px;font-weight:900;letter-spacing:.08em}.nav-name span{color:#0ba47c}.nav-links{margin-left:auto;display:flex;align-items:center;gap:4px}.nav-links a{padding:9px 13px;border-radius:99px;color:#55796b;font-size:12px;font-weight:800}.nav-links a:hover,.nav-links a[aria-current=location]{background:#e3f6e5;color:#005440}.nav-progress{white-space:nowrap;border-left:1px solid #d8e8dc;padding-left:20px;color:#178268;font-size:11px;font-weight:900}.nav-toggle{display:none;flex-direction:column;align-items:center;justify-content:center;gap:4px;height:42px;width:42px;border:1px solid #cee2d7;background:transparent;border-radius:12px}.nav-toggle span{height:2px;width:17px;background:#09463d}.accreditation{background:#e8f4ee;padding:94px 0}.feature-grid{display:grid;grid-template-columns:minmax(0,1.42fr) minmax(290px,.82fr);gap:20px}.credential-card{border-radius:32px;background:linear-gradient(126deg,#06413e,#052b35);color:#fff;min-height:570px;position:relative;overflow:hidden;padding:35px 39px}.credential-card:before{content:'';position:absolute;right:-260px;top:-180px;height:525px;width:525px;border-radius:50%;border:1px solid #b6f5685e;box-shadow:0 0 0 70px #b6f56809,0 0 0 140px #b6f56807}.credential-top{position:relative;display:flex;align-items:center;gap:12px;letter-spacing:.12em;font-size:10px;font-weight:900;color:#c5e8d7}.credential-top span:last-child{margin-left:auto}.credential-star{color:var(--lime);font-size:27px}.credential-main{position:relative;margin-top:65px}.credential-main>.micro{color:#ace5cc}.credential-main h2{font-size:clamp(35px,4vw,56px);line-height:1.02;letter-spacing:-.063em;font-weight:800;margin:14px 0}.credential-main h2 em{color:var(--lime);font-style:normal}.credential-main p{font-size:13px;line-height:1.58;color:#c1e3db;max-width:550px}.credential-emblem{display:flex;align-items:center;gap:16px;border:1px solid #9be2c659;background:#ffffff13;border-radius:18px;padding:15px 17px;margin-top:29px;max-width:510px;backdrop-filter:blur(6px)}.credential-icon{flex:none;background:var(--lime);color:#003c34;height:56px;width:56px;display:grid;place-items:center;border-radius:14px}.credential-icon .icon{height:30px;width:30px}.credential-emblem small{font-size:9px;font-weight:900;letter-spacing:.12em;color:#b8ddd5}.credential-emblem strong{font-size:21px;font-weight:900;display:block;letter-spacing:-.045em}.credential-emblem>div span{display:block;font-size:11px;color:#c7e6da}.credential-emblem>b{margin-left:auto;color:var(--lime);font-size:21px}.credential-disclaimer{display:block;color:#9fbfba;line-height:1.5;font-size:10px;max-width:470px;margin-top:15px}.feature-stack{display:grid;grid-template-rows:1fr 1fr;gap:20px}.feature-tile{background:#67d1c8;border-radius:29px;padding:29px;display:flex;flex-direction:column;align-items:flex-start;min-height:275px}.feature-tile>span{font-size:10px;letter-spacing:.12em;color:#21786d;font-weight:900}.feature-symbol{height:48px;width:52px;display:grid;place-items:center;border-radius:15px;background:#edffef99;margin:14px 0 auto;font:900 19px monospace}.feature-tile h3{font-size:29px;letter-spacing:-.055em;line-height:1.05;font-weight:800;margin:14px 0 8px}.feature-tile p{font-size:12px;color:#2c6960;line-height:1.55;margin:0;max-width:310px}.feature-lime{background:#cef5aa}.guide{background:#f7faf6}.guide-head{text-align:center;max-width:730px;margin:0 auto 40px}.guide-head .eyebrow{justify-content:center}.guide-head h2{font-size:clamp(41px,5vw,65px);letter-spacing:-.07em;font-weight:800;margin:14px 0 5px}.guide-head h2 span{color:#169984}.guide-head p{font-size:14px;color:var(--muted)}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.guide-card{border:1px solid #d9e7da;border-radius:23px;min-height:116px;padding:23px;background:white;box-shadow:0 12px 27px #043a2008}.guide-card[open]{background:#dcf5e7}.guide-card summary{display:flex;align-items:center;gap:11px;list-style:none;font-size:20px;font-weight:800;letter-spacing:-.04em;cursor:pointer}.guide-card summary::-webkit-details-marker{display:none}.guide-card summary small{font-size:10px;letter-spacing:0;color:#188c75;font-weight:900}.guide-card summary span{margin-left:auto;font-size:23px;font-weight:400}.guide-card[open] summary span{transform:rotate(45deg)}.guide-card p{font-size:13px;line-height:1.6;color:#4a6e5f;margin:17px 0 0}@keyframes float{50%{transform:translateY(-12px) rotate(2deg)}}@media(max-width:1080px){.hero-top-note{display:none}.hero-copy{width:75%}.hero h1{font-size:clamp(55px,7.3vw,85px)}.code-window{width:300px;right:2%;bottom:65px}.ribbon-inner>strong{display:none}.feature-grid{grid-template-columns:1.3fr 1fr}}@media(max-width:767px){.hero,.hero-inner{min-height:820px}.hero-photo{inset:0;background-image:linear-gradient(180deg,#003d3bf2 0%,#003d3bce 43%,#003d3bd9 75%,#003038df 100%),url('https://images.unsplash.com/photo-1498050108023-c5249f4df085?auto=format&fit=crop&w=1000&q=75')}.hero-inner{padding-top:27px}.hero-header{gap:12px;flex-wrap:wrap}.brand img{width:160px}.maps-pill{font-size:9px}.hero-copy{width:100%;margin-top:75px}.hero h1{font-size:clamp(48px,10vw,72px)}.hero-intro{font-size:13px;max-width:490px}.hero-art{opacity:.7}.orbit{width:420px;height:420px;right:-295px;top:275px}.orbit-two,.floating-glyph{display:none}.code-window{left:23px;right:auto;bottom:59px;width:min(300px,78vw);transform:rotate(-2deg);animation:none}.hero-stats{position:absolute;bottom:323px;left:0;margin:0;gap:11px;font-size:10px}.hero-stats b{font-size:8px}.hero-foot{bottom:16px}.ribbon-inner{justify-content:space-between;gap:9px;min-height:60px;font-size:8px}.ribbon-inner span b{font-size:8px;margin-right:3px}.ribbon-inner>i{height:12px}.nav-inner{position:relative;min-height:62px}.nav-toggle{display:flex;margin-left:auto}.nav-links{position:absolute;top:62px;left:0;right:0;flex-direction:column;align-items:stretch;background:#fafff9;padding:12px 22px 18px;box-shadow:0 12px 28px #023d2518;border-bottom:1px solid #d3e8da}.nav-links:not(.show){display:none}.nav-links.show{display:flex}.nav-progress{margin-left:0;border:0;padding:0;font-size:10px}.accreditation{padding:65px 0}.feature-grid{grid-template-columns:1fr}.credential-card{min-height:0;padding:27px}.credential-main{margin-top:42px}.credential-main h2{font-size:36px}.credential-emblem strong{font-size:17px}.feature-stack{grid-template-columns:1fr 1fr;grid-template-rows:auto;gap:12px}.feature-tile{min-height:248px;padding:22px}.feature-tile h3{font-size:24px}.guide-head{text-align:left}.guide-head .eyebrow{justify-content:flex-start}.guide-grid{grid-template-columns:1fr}}@media(max-width:430px){.hero,.hero-inner{min-height:850px}.hero h1{font-size:46px}.hero-stats{flex-wrap:wrap}.hero-stats i{display:none}.brand img{width:143px}.maps-pill{gap:5px;padding-right:8px}.feature-stack{grid-template-columns:1fr}.feature-tile{min-height:198px}}

/* Bootstrap's collapsed state must not hide desktop navigation; on mobile the toggle remains authoritative. */
@media(min-width:768px){.nav-links.collapse:not(.show){display:flex}}
@media(max-width:767px){.nav-links.collapse:not(.show){display:none}}