:root{
  --navy:#0b2235;
  --navy-2:#12334c;
  --red:#e9aeb7;
  --red-dark:#d58d99;
  --ink:#102132;
  --muted:#64707c;
  --line:#dbe2e8;
  --soft:#fbf7f8;
  --white:#fff;
  --max:1220px;
  --shadow:0 20px 55px rgba(12,34,53,.11);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Manrope,Arial,sans-serif;color:var(--ink);background:var(--white);line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
.container{width:min(calc(100% - 40px),var(--max));margin:0 auto}
.section{padding:96px 0}
.section-shell{background:linear-gradient(90deg,#fff 0%,#fff 50%,#f6f7f8 50%,#f6f7f8 100%)}
.soft-bg{background:var(--soft)}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(11,34,53,.08)}
.nav-wrap{height:82px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:10px;min-width:max-content}
.brand-mark{font-size:34px;line-height:1;color:var(--red);font-weight:800}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{font-size:13px;letter-spacing:.04em}
.brand-text small{font-size:9px;letter-spacing:.12em;margin-top:4px}
.main-nav{margin-left:auto;display:flex;gap:25px;align-items:center}
.main-nav a{font-size:14px;font-weight:700}
.main-nav a:hover{color:var(--red)}
.nav-cta{margin-left:4px}
.menu-toggle{display:none;margin-left:auto;border:0;background:transparent;font-size:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 20px;font-weight:800;font-size:14px;transition:.25s ease;border:1px solid transparent}
.btn:hover{transform:translateY(-2px)}
.btn-red{background:var(--red);color:white}
.btn-red:hover{background:var(--red-dark)}
.btn-dark{background:var(--navy);color:white}
.btn-outline{border-color:#81909b;background:white}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:white}
.hero{padding-top:0}
.hero-grid{display:grid;grid-template-columns:1fr 1.1fr;min-height:640px}
.hero-copy{display:flex;flex-direction:column;justify-content:center;padding:70px 56px 70px 0}
.eyebrow{font-size:11px;font-weight:800;letter-spacing:.17em;color:#66727d;margin:0 0 18px}
.eyebrow.light{color:#d2dce3}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(48px,5.8vw,78px);line-height:.98;letter-spacing:-.045em;margin-bottom:25px;max-width:670px}
h2{font-size:clamp(34px,4vw,54px);line-height:1.02;letter-spacing:-.04em;margin-bottom:22px}
h3{font-size:20px;line-height:1.15}
.hero-intro{font-size:19px;max-width:590px;color:#3f4b55}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:15px}
.hero-visual{padding:34px 0 34px 34px}
.image-shell{overflow:hidden}
.hero-image{height:100%;min-height:560px}
.placeholder-photo{
  background:
    linear-gradient(145deg,rgba(11,34,53,.05),rgba(11,34,53,.22)),
    linear-gradient(120deg,#d8dee2 0%,#eef1f3 46%,#c9d1d6 100%);
  position:relative;
}
.placeholder-photo:after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(11,34,53,.2));
}
.photo-label{position:absolute;left:28px;bottom:26px;z-index:2;color:white;display:flex;flex-direction:column}
.photo-label span{font-size:11px;text-transform:uppercase;letter-spacing:.12em}
.photo-label strong{font-size:20px}
.trustbar{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-grid>div{padding:25px 28px;border-right:1px solid var(--line)}
.trust-grid>div:last-child{border-right:0}
.trust-grid strong,.trust-grid span{display:block}
.trust-grid strong{font-size:14px;margin-bottom:4px}
.trust-grid span{font-size:12px;color:var(--muted)}
.split{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:center}
.section-copy p:not(.eyebrow){color:#4d5b66;max-width:650px}
.text-link{color:var(--red);font-weight:800;font-size:14px}
.editorial-collage{display:grid;grid-template-columns:1.3fr .8fr;gap:12px;height:430px}
.editorial-collage .stack{display:grid;gap:12px}
.photo-main,.photo-small{height:100%}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:36px}
.section-head h2{max-width:700px;margin-bottom:0}
.training-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.training-card{background:white;border:1px solid #e0e6ea;box-shadow:0 10px 25px rgba(16,33,50,.04)}
.training-photo{height:190px}
.training-body{padding:22px}
.training-body p{font-size:14px;color:#5e6a74;min-height:92px}
.training-body a{color:var(--red);font-size:13px;font-weight:800}
.experience{display:grid;grid-template-columns:1fr 1fr;background:var(--navy);min-height:570px;color:white}
.experience-image{min-height:570px}
.experience-panel{padding:90px max(40px,calc((100vw - var(--max))/2)) 90px 70px;display:flex;flex-direction:column;justify-content:center}
.experience-panel p:not(.eyebrow){color:#d6e0e6;max-width:610px}
.org-split{grid-template-columns:.9fr 1.1fr}
.org-photo{height:390px}
.audience-row{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid var(--line);margin-top:55px;padding-top:25px;gap:18px}
.audience-row span{font-size:13px;font-weight:800;text-align:center}
.steps{display:grid;grid-template-columns:repeat(4,1fr);margin-top:45px}
.steps>div{padding:0 28px;border-right:1px solid #cfd7dc}
.steps>div:first-child{padding-left:0}
.steps>div:last-child{border-right:0}
.steps span{font-size:28px;font-weight:800;color:var(--navy)}
.steps p{color:var(--muted);font-size:14px}
.gallery-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.gallery-row>div{height:240px}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
.accordion details{border-top:1px solid #d6dee3;padding:18px 0}
.accordion details:last-child{border-bottom:1px solid #d6dee3}
.accordion summary{cursor:pointer;font-weight:800}
.accordion p{color:var(--muted);margin:12px 0 0}
.final-cta{background:var(--navy);color:white;padding:70px 0;position:relative;overflow:hidden}
.final-cta:after{content:"";position:absolute;right:-80px;top:-120px;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.03)}
.final-grid{display:flex;justify-content:space-between;gap:50px;align-items:center;position:relative;z-index:1}
.final-grid h2{max-width:700px}
.final-grid p:not(.eyebrow){color:#d4dee5}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
.footer{background:#fff}
.footer-grid{display:grid;grid-template-columns:1.5fr .7fr 1fr .7fr;gap:50px;padding-top:48px;padding-bottom:40px}
.footer-grid>div{display:flex;flex-direction:column;gap:8px}
.footer-grid p,.footer-grid span,.footer-grid a{font-size:13px;color:#65717b}
.footer-grid strong{margin-bottom:8px}
.footer-brand{margin-bottom:12px}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0 26px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#7a858d}
.footer-bottom div{display:flex;gap:20px}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
.reveal.is-visible{opacity:1;transform:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:1024px){
  .main-nav{display:none}
  .menu-toggle{display:block}
  .nav-cta{display:none}
  .hero-grid{grid-template-columns:1fr}
  .section-shell{background:white}
  .hero-copy{padding:70px 0 40px}
  .hero-visual{padding:0 0 30px}
  .hero-image{min-height:500px}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .split,.faq-grid{grid-template-columns:1fr;gap:45px}
  .training-grid{grid-template-columns:repeat(2,1fr)}
  .experience{grid-template-columns:1fr}
  .experience-panel{padding:60px 40px}
  .audience-row{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:700px){
  .container{width:min(calc(100% - 28px),var(--max))}
  .section{padding:70px 0}
  .nav-wrap{height:72px}
  .brand-text strong{font-size:11px}
  .brand-text small{font-size:8px}
  h1{font-size:44px}
  h2{font-size:36px}
  .hero-copy{padding-top:48px}
  .hero-intro{font-size:17px}
  .hero-image{min-height:390px}
  .trust-grid{grid-template-columns:1fr}
  .trust-grid>div{border-right:0;border-bottom:1px solid var(--line);padding:20px 0}
  .training-grid{grid-template-columns:1fr}
  .editorial-collage{height:auto;grid-template-columns:1fr}
  .photo-main{height:360px}
  .stack{grid-template-columns:1fr 1fr!important}
  .photo-small{height:170px}
  .section-head{align-items:flex-start;flex-direction:column}
  .experience-image{min-height:380px}
  .experience-panel{padding:55px 20px}
  .audience-row{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .steps>div{border-right:0;border-bottom:1px solid #cfd7dc;padding:22px 0}
  .gallery-row{display:flex;overflow:auto;scroll-snap-type:x mandatory;padding-bottom:8px}
  .gallery-row>div{min-width:82%;scroll-snap-align:start}
  .final-grid{align-items:flex-start;flex-direction:column}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .reveal,.btn{transition:none!important}
}

/* Refined Double Infinity brand */
.brand-mark,.text-link,.training-body a{color:var(--red)}
.btn-red{color:#102132}.btn-red:hover{color:#102132}
.main-nav.is-open{display:flex}
@media(max-width:1024px){.main-nav.is-open{position:absolute;top:82px;left:0;right:0;background:#fff;padding:24px 20px;flex-direction:column;align-items:flex-start;border-top:1px solid var(--line);box-shadow:0 18px 35px rgba(12,34,53,.09)}}
@media(max-width:700px){.main-nav.is-open{top:72px}}

/* Photography placements */
.hero-image{background-image:linear-gradient(180deg,rgba(11,34,53,.02),rgba(11,34,53,.18)),url("./assets/owners-hero.jpg");background-size:cover;background-position:center 34%}
.hero-image:after,.photo-main:after,.photo-small:after,.training-photo:after,.experience-image:after,.org-photo:after,.gallery-row .placeholder-photo:after{background:linear-gradient(180deg,transparent 72%,rgba(11,34,53,.18))}
.photo-main{background-image:url("./assets/owners-training.jpg");background-size:cover;background-position:center}
.photo-small:nth-child(1){background-image:url("./assets/aed-training.jpg");background-size:cover;background-position:center}
.photo-small:nth-child(2){background-image:url("./assets/owners-tablet.jpg");background-size:cover;background-position:center}
.training-card:nth-child(1) .training-photo{background-image:url("./assets/cpr-detail.jpg");background-size:cover;background-position:center}
.training-card:nth-child(2) .training-photo{background-image:url("./assets/owners-training.jpg");background-size:cover;background-position:center}
.training-card:nth-child(3) .training-photo{background-image:url("./assets/aed-training.jpg");background-size:cover;background-position:center}
.training-card:nth-child(4) .training-photo{background-image:url("./assets/owners-speaking.jpg");background-size:cover;background-position:center}
.experience-image{background-image:url("./assets/flight-nurses.jpg");background-size:cover;background-position:center}
.org-photo{background-image:url("./assets/owners-candid.jpg");background-size:cover;background-position:center}
.gallery-row>div:nth-child(1){background-image:url("./assets/owners-training.jpg");background-size:cover;background-position:center}
.gallery-row>div:nth-child(2){background-image:url("./assets/aed-training.jpg");background-size:cover;background-position:center}
.gallery-row>div:nth-child(3){background-image:url("./assets/owners-speaking.jpg");background-size:cover;background-position:center}
.gallery-row>div:nth-child(4){background-image:url("./assets/owners-candid.jpg");background-size:cover;background-position:center}

/* Stronger mobile composition */
@media(max-width:700px){
  .section{padding:58px 0}.hero-copy{padding:38px 0 24px}.hero-grid{min-height:auto}h1{font-size:clamp(40px,12vw,54px);max-width:95%;margin-bottom:18px}.hero-intro{font-size:16px;line-height:1.55}.hero-actions{display:grid;grid-template-columns:1.15fr .85fr;gap:8px}.hero-actions .btn{padding:0 12px;font-size:12px}.hero-visual{margin-left:14px;padding:0 0 22px}.hero-image{min-height:430px;clip-path:polygon(8% 0,100% 0,100% 100%,0 100%,0 9%)}.photo-label{left:20px;bottom:18px}
  .trust-grid{grid-template-columns:1fr 1fr;gap:0}.trust-grid>div{padding:16px 12px;border-bottom:1px solid var(--line)}.trust-grid>div:nth-child(odd){border-right:1px solid var(--line)}.trust-grid strong{font-size:12px}.trust-grid span{font-size:10px}
  .split{gap:28px}.editorial-collage{display:grid;grid-template-columns:1.35fr .65fr;height:330px;gap:8px}.editorial-collage .stack{display:grid!important;grid-template-columns:1fr!important;gap:8px}.photo-main{height:330px}.photo-small{height:161px}.section-copy h2{max-width:90%}
  .training-grid{display:flex;overflow-x:auto;gap:12px;margin-right:-14px;padding:2px 14px 18px 0;scroll-snap-type:x mandatory;scrollbar-width:none}.training-grid::-webkit-scrollbar{display:none}.training-card{min-width:78vw;scroll-snap-align:start}.training-photo{height:205px}.training-body p{min-height:auto}.section-head{margin-bottom:25px}
  .experience{display:grid;grid-template-columns:1fr;min-height:auto}.experience-image{min-height:440px}.experience-panel{margin-top:-55px;margin-left:14px;position:relative;z-index:2;padding:34px 24px 42px;background:var(--navy);box-shadow:-12px -12px 0 rgba(233,174,183,.9)}.experience-panel h2{font-size:34px}
  .org-split{display:grid;grid-template-columns:1fr}.org-photo{height:340px;order:-1}.audience-row{display:flex;overflow:auto;gap:8px;margin-right:-14px;padding-bottom:8px;scrollbar-width:none}.audience-row span{white-space:nowrap;background:#fff;border:1px solid var(--line);padding:10px 14px;text-align:left}
  .steps{display:flex;overflow-x:auto;gap:10px;margin-right:-14px;padding:4px 14px 14px 0;scroll-snap-type:x mandatory;scrollbar-width:none}.steps>div{min-width:72vw;border:1px solid #dbe2e8!important;padding:22px!important;scroll-snap-align:start;background:#fff}.steps span{font-size:22px}.steps h3{margin:8px 0}
  .gallery-row>div{min-width:72vw;height:300px}.faq-grid{gap:20px}.accordion details{padding:16px 0}.final-cta{padding:54px 0}.final-grid{gap:24px}.cta-actions{display:grid;grid-template-columns:1fr 1fr;width:100%}.cta-actions .btn{padding:0 10px;font-size:12px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px 18px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{gap:8px}.footer-bottom div{flex-wrap:wrap;gap:8px 14px}
}