:root{--forest:#173c32;--ink:#213e34;--muted:#627068;--sand:#e7b881;--paper:#f8f7f2;--line:#d9ded4;--gutter:clamp(22px,5vw,100px);font-family:'DM Sans',sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;font-size:16px;line-height:1.7}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #b97430;outline-offset:5px}img{max-width:100%;height:auto;display:block}h1,h2,h3,h4,h5,h6{font-family:'Outfit',sans-serif;font-weight:300;line-height:1.12;margin:0;letter-spacing:-.035em}h2{font-size:clamp(38px,4.4vw,76px)}h3{font-size:clamp(29px,2.5vw,42px)}p{margin:0 0 1.2em}ul{margin:0;padding:0;list-style:none}[hidden]{display:none!important}.skip-link{position:absolute;left:20px;top:-100px;z-index:100;background:white;padding:12px}.skip-link:focus{top:12px}.site-header{padding:24px var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:32px;background:var(--paper);position:relative;z-index:20}.brand{display:flex;gap:14px;align-items:center;flex-shrink:0}.brand-symbol{font-size:48px;font-weight:300;line-height:1;color:var(--forest)}.brand h1{font-size:clamp(22px,2vw,31px);font-weight:400;letter-spacing:.04em}.brand-subtitle{font-size:16px;letter-spacing:.2em;display:block;margin-top:5px}.site-header nav ul{display:flex;align-items:center;gap:clamp(12px,1.5vw,28px);flex-wrap:wrap}.site-header nav a{font-size:16px;display:block;padding:8px 0}.site-header a[aria-current]{border-bottom:1px solid var(--forest)}.site-header nav li:last-child a{border:1px solid #c7cfc5;padding:8px 16px}.menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:var(--ink);padding:9px 13px;font-size:16px}.hero{position:relative;background:var(--forest);color:white}.hero-slide{display:grid;grid-template-columns:1fr 1fr;min-height:clamp(520px,43vw,750px)}.hero-copy{padding:clamp(48px,6vw,110px) var(--gutter) 110px;position:relative;z-index:2}.eyebrow{font-size:16px;letter-spacing:.19em;font-weight:500;line-height:1.6;margin-bottom:22px}.hero .eyebrow{color:#cfddca;font-size:16px}.hero h2{font-size:clamp(58px,6.8vw,120px);max-width:9em;line-height:.98;margin-bottom:28px}.hero-description{color:#e1e7df;max-width:31em;font-size:clamp(16px,1.2vw,18px);line-height:1.8;margin-bottom:32px}.hero-photo{position:relative;overflow:hidden;min-width:0}.hero-photo img{position:absolute;inset:0;width:100%;height:100%;max-width:100%;object-fit:cover;object-position:center}.hero-photo:after{content:'';position:absolute;inset:0;box-shadow:inset 15px 0 50px #173c3215}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:40px;padding:16px 24px;font-size:16px;line-height:1.5;font-weight:500;min-height:52px}.button span{font-size:21px;line-height:1}.button-sand{color:#243c2f;background:var(--sand)}.button-green{color:white;background:var(--forest)}.hero-controls{position:absolute;bottom:32px;left:var(--gutter);width:calc(50% - 2*var(--gutter));display:flex;align-items:center;justify-content:space-between;gap:18px}.hero-status{font-size:16px;letter-spacing:.16em;color:#d7e1d4}.slide-buttons{display:flex;gap:8px}.slide-buttons button{width:44px;height:44px;border-radius:50%;border:1px solid #ffffff55;background:transparent;color:white;font-size:22px;line-height:1}.intro-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding:23px var(--gutter)}.intro-strip p{font-family:'Outfit',sans-serif;font-weight:300;font-size:23px;margin:0}.intro-strip a{font-size:16px}.intro-strip a span{margin-left:25px}.section{padding:clamp(52px,6.5vw,110px) var(--gutter)}.section-heading{margin-bottom:42px}.section-heading .eyebrow{color:var(--muted);margin-bottom:15px}.tour-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(22px,3vw,55px)}.tour-card{min-width:0}.card-photo{display:block;position:relative;aspect-ratio:1.55;overflow:hidden;background:#c1c9b9}.card-photo img{position:absolute;inset:0;max-width:100%;width:100%;height:100%;object-fit:cover;transition:opacity 180ms ease-out}.card-body{padding-top:25px}.card-body .eyebrow{font-size:16px;margin-bottom:10px;color:var(--muted)}.card-body h3{margin-bottom:24px}.link-list a{display:flex;align-items:center;justify-content:space-between;gap:15px;min-height:48px;padding:11px 0;border-bottom:1px solid var(--line);line-height:1.5;font-size:16px}.link-list a:after{content:'↗';color:#6b7b6b;flex-shrink:0}.parks{background:#e9eddf}.park-layout{display:grid;grid-template-columns:1fr 1.5fr;gap:clamp(30px,7vw,120px)}.park-intro>p{font-size:18px;font-weight:400;max-width:26em;color:#51654f}.text-link{font-size:16px;font-weight:500;display:inline-block;padding:10px 0;border-bottom:1px solid currentColor;line-height:1.7}.park-image{display:block;position:relative;overflow:hidden;aspect-ratio:2.2;margin-top:32px}.park-image img{width:100%;height:100%;object-fit:cover}.parks .link-list{display:grid;grid-template-columns:1fr 1fr;gap:0 32px;align-content:start}.parks .link-list a{min-height:65px;border-color:#cbd2bf}.discoveries{border-bottom:1px solid var(--line)}.discovery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(24px,4vw,70px)}.discovery-grid h3{margin-bottom:22px}.discovery-grid .text-link{margin-top:16px}.welcome{display:grid;grid-template-columns:1fr 1.3fr;gap:clamp(30px,9vw,150px)}.welcome h2{margin-bottom:32px}.welcome-lead{font-family:'Outfit',sans-serif;font-weight:300;font-size:clamp(25px,2.4vw,40px);line-height:1.4;letter-spacing:-.02em}.welcome>div>p:not(.welcome-lead):not(.eyebrow){color:var(--muted)}.int-logo{mix-blend-mode:multiply;max-width:190px}details{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:25px 0}summary{cursor:pointer;padding:17px 24px 17px 0;font-size:16px;line-height:1.5;min-height:52px}.long-copy{padding:15px 0 22px;font-size:16px;color:var(--muted);line-height:1.85;overflow-wrap:anywhere}.long-copy p{margin:0 0 1em}.testimonial{background:#f0eade;display:grid;grid-template-columns:.8fr 1.4fr;gap:clamp(30px,8vw,130px);align-items:center}.quote-photo{display:flex;align-items:center;justify-content:center}.quote-photo img{width:75%;max-width:340px;aspect-ratio:2/3;object-fit:cover}.testimonial blockquote{font-family:'Outfit',sans-serif;font-size:clamp(23px,2.3vw,38px);font-weight:300;line-height:1.45;margin:32px 0 24px;letter-spacing:-.02em}.quote-author{font-size:16px;font-weight:500}.quote-author span{display:block;font-size:16px;font-weight:400;color:var(--muted)}.video-strip{background:var(--forest);color:white;padding:30px var(--gutter);display:flex;gap:35px;align-items:center}.video-strip>span{font-size:16px;letter-spacing:.15em;flex-shrink:0}.video-strip a{font-family:'Outfit',sans-serif;font-weight:300;font-size:clamp(20px,2.3vw,34px);display:flex;justify-content:space-between;align-items:center;gap:30px;width:100%;line-height:1.3}.affiliations{padding-block:45px;border-bottom:1px solid var(--line)}.affiliations>.eyebrow{text-align:center;color:var(--muted);margin-bottom:28px}.affiliation-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:35px;align-items:center}.affiliation-grid>div{display:flex;align-items:center;justify-content:center}.affiliation-grid img{max-height:100px;width:auto;max-width:100%;object-fit:contain;mix-blend-mode:multiply}.enquiry{display:flex;justify-content:space-between;align-items:center;gap:30px}.enquiry .eyebrow{color:var(--muted);margin-bottom:12px}.site-footer{background:#173c32;color:#dce4d8}.footerouter{padding:65px var(--gutter)}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:45px}.site-footer h2{font-size:23px;color:#fff;font-weight:300;letter-spacing:-.02em;margin:0 0 20px}.site-footer ul{margin:0 0 32px}.footer-column ul li{margin-bottom:10px}.footer-column ul a{color:#c2cebe;font-size:16px;line-height:1.7}.footerwarp{padding:45px var(--gutter) 30px;border-top:1px solid #ffffff25}.contact-grid{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:40px}.contact-column{font-size:16px;line-height:1.9}.contact-column:nth-child(2){text-align:center}.contact-column:nth-child(3){text-align:right}.footlogo h1{font-size:32px;line-height:1.2;color:#fff;margin-bottom:12px}.site-footer .logofootxt{font-size:16px}.footlogo ul{padding:0;margin:0}.footlogo a,.partnersite a{overflow-wrap:anywhere}.footerlnks{margin-top:40px;border-top:1px solid #ffffff20;padding-top:25px;text-align:center}.site-footer .footlnks{display:flex;justify-content:center;flex-wrap:wrap;gap:10px 24px;margin-bottom:22px}.footlnks a{font-size:16px;letter-spacing:.05em}.copytxt{font-size:16px;color:#afbeac}.partnersite{padding:20px var(--gutter);font-size:16px;text-align:center;border-top:1px solid #ffffff15;line-height:2}.webcoddle{font-size:16px;text-align:center;background:#113027;padding:15px var(--gutter);color:#b7c6b0}.webcoddle img{display:inline;width:15px;height:15px;vertical-align:middle}
@media(min-width:1700px){.site-header nav a{font-size:16px}.link-list a{font-size:16px}.hero-description{font-size:19px}}
@media(max-width:1150px){.site-header{gap:20px;padding-block:20px}.menu-toggle{display:flex;gap:18px;align-items:center}.site-header nav{position:absolute;left:0;right:0;top:100%;padding:15px var(--gutter) 28px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 14px 20px #173c3210}.site-header nav ul{display:grid;grid-template-columns:1fr 1fr;gap:0 30px}.site-header nav a{padding:12px 0;font-size:16px}.site-header nav li:last-child a{border:0;padding:12px 0}.site-header nav:not(.is-open){display:none}.no-js .site-header nav{display:block;position:static;box-shadow:none}.hero-copy{padding-top:65px}.hero h2{font-size:clamp(55px,7vw,90px)}.hero-description br{display:none}.footer-grid{gap:25px}}
@media(max-width:760px){.site-header{padding-block:17px}.brand-symbol{font-size:36px}.brand{gap:9px}.brand h1{font-size:20px}.brand-subtitle{font-size:16px}.hero-slide{grid-template-columns:1fr;min-height:auto}.hero-copy{padding:45px var(--gutter) 103px;order:2}.hero-photo{order:1;aspect-ratio:1.6}.hero h2{font-size:clamp(52px,12vw,82px);max-width:10em;margin-bottom:22px}.hero-description{font-size:16px;max-width:31em;margin-bottom:25px}.hero .eyebrow{font-size:16px;margin-bottom:22px}.hero-controls{width:calc(100% - 2*var(--gutter));bottom:23px}.intro-strip{align-items:flex-start;flex-direction:column;gap:7px;padding-block:20px}.intro-strip p{font-size:22px}.intro-strip a{font-size:16px}.section-heading{margin-bottom:28px}.tour-grid{grid-template-columns:1fr;gap:45px}.tour-card{display:grid;grid-template-columns:.85fr 1fr;gap:22px}.card-photo{height:100%;min-height:200px;aspect-ratio:auto}.card-photo img{height:100%;width:100%;object-fit:cover}.card-body{padding:0}.card-body h3{font-size:30px;margin-bottom:15px}.card-body .eyebrow{font-size:16px}.link-list a{font-size:16px;min-height:48px}.park-layout,.welcome{grid-template-columns:1fr;gap:32px}.park-intro>p{max-width:none;font-size:16px}.park-image{display:none}.parks .link-list{gap:0 22px}.parks .link-list a{font-size:16px;min-height:65px}.discovery-grid{grid-template-columns:1fr;gap:42px}.discovery-grid h3{font-size:30px}.discovery-grid .link-list{display:grid;grid-template-columns:1fr 1fr;gap:0 22px}.welcome h2 br{display:none}.welcome h2{margin-bottom:22px}.welcome .int-logo{max-width:150px}.testimonial{grid-template-columns:1fr;gap:32px}.quote-photo{display:none}.testimonial h2 br{display:none}.testimonial blockquote{font-size:27px;margin-top:26px}.video-strip{align-items:flex-start;flex-direction:column;gap:14px}.video-strip a{font-size:25px}.affiliation-grid{grid-template-columns:1fr 1fr;gap:35px 25px}.affiliation-grid img{max-height:80px;max-width:85%}.enquiry{align-items:flex-start;flex-direction:column;gap:25px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footerouter{padding-block:45px}.contact-grid{grid-template-columns:1fr;gap:26px}.contact-column:nth-child(n){text-align:left}.contact-column:nth-child(2){order:-1}.site-footer .footlnks{justify-content:flex-start;gap:12px 20px}.footerlnks{text-align:left;margin-top:25px}.site-footer h2{font-size:22px}.footer-column ul a{font-size:16px}.footerwarp{padding-top:32px}}
@media(max-width:440px){.tour-card{display:block}.card-photo{aspect-ratio:1.7;min-height:0;height:auto}.card-body{padding-top:20px}.discovery-grid .link-list{grid-template-columns:1fr}.footer-grid{gap:22px 20px}.site-footer h2{font-size:20px}.brand h1{font-size:18px}.menu-toggle{gap:9px;padding:8px 11px}.parks .link-list{grid-template-columns:1fr}.section{padding-block:48px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
.hero-controls{z-index:3}
/* All carousel slides share one grid track, so their height cannot jump. */
.hero{display:grid;grid-template-columns:minmax(0,1fr)}
.hero-slide{grid-area:1 / 1;visibility:hidden;pointer-events:none}
.hero-slide[hidden]{display:grid!important}
.hero-slide:not([hidden]){visibility:visible;pointer-events:auto}
/* Original INT artwork, displayed at its natural proportions. */
.brand-logo{width:64px;height:auto;flex-shrink:0;mix-blend-mode:multiply}
@media(max-width:760px){.brand-logo{width:44px}}
@media(max-width:440px){.brand-logo{width:38px}.site-header{gap:12px}.brand{gap:8px}}

/* Readable footer navigation and generous touch targets. */
.footer-column ul li{margin-bottom:0}
.footer-column ul a{display:block;font-size:16px;line-height:1.6;padding:10px 0;min-height:44px}
.contact-column{font-size:16px}
.contact-column a{display:inline-block;min-height:32px;padding-block:4px}
.footlnks a{display:inline-flex;align-items:center;min-height:44px;padding:8px 0;font-size:16px}
.logofootxt,.copytxt,.partnersite,.webcoddle{font-size:16px!important}
/* Press feedback without motion for keyboard input or reduced-motion users. */
.button,.slide-buttons button,.menu-toggle{transition:transform 140ms cubic-bezier(.23,1,.32,1)}
body.pointer-input .button:active,body.pointer-input .slide-buttons button:active,body.pointer-input .menu-toggle:active{transform:scale(.97)}
@media(hover:hover) and (pointer:fine){a:hover{text-decoration:underline;text-underline-offset:5px}.brand:hover{text-decoration:none}.button:hover{text-decoration:none}.slide-buttons button:hover{background:#ffffff15}.card-photo:hover img{opacity:.9}.link-list a:hover{color:#8b572c;text-decoration:none}summary:hover{color:#8b572c}.button-sand:hover{background:#e1ac70}.button-green:hover{background:#215344}}
@media(prefers-reduced-motion:reduce){.button,.slide-buttons button,.menu-toggle,.card-photo img{transition:none!important}body.pointer-input .button:active,body.pointer-input .slide-buttons button:active,body.pointer-input .menu-toggle:active{transform:none}}

/* Keep the brand readable when 16px supporting text wraps on phones. */
.brand{min-width:0;flex-shrink:1}.brand>div{min-width:0}.brand-subtitle{letter-spacing:.04em;line-height:1.4}
@media(max-width:760px){.brand-subtitle{max-width:190px}.menu-toggle{flex-shrink:0}}