/* Luchismart Confluence University Case Study
   Brand colors sampled from the supplied Luchismart logo:
   Teal #08919B | Orange #F05042
*/
:root{
  --teal:#08919b;
  --teal-dark:#056b73;
  --teal-deep:#043d46;
  --orange:#f05042;
  --ink:#10262b;
  --muted:#617277;
  --paper:#f7fbfa;
  --white:#fff;
  --line:rgba(8,145,155,.16);
  --shadow:0 20px 60px rgba(4,61,70,.12);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:var(--paper);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  line-height:1.65;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
button,a{font:inherit}
a{color:inherit}
.container{width:min(1160px,calc(100% - 40px));margin-inline:auto}
.narrow{width:min(800px,calc(100% - 40px))}
.site-header{
  position:relative;
  z-index:5;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand img{width:202px;height:auto}
.nav-cta{
  text-decoration:none;
  color:var(--teal-deep);
  font-weight:750;
  border:1px solid var(--line);
  border-radius:999px;
  padding:10px 18px;
  transition:.2s ease;
}
.nav-cta:hover{background:var(--teal);color:#fff;border-color:var(--teal)}
.hero{
  position:relative;
  overflow:hidden;
  color:#fff;
  background:
    radial-gradient(circle at 75% 15%,rgba(240,80,66,.20),transparent 28%),
    radial-gradient(circle at 10% 80%,rgba(8,145,155,.45),transparent 35%),
    linear-gradient(135deg,#043d46 0%,#056b73 48%,#08919b 100%);
}
.hero:after{
  content:"";
  position:absolute;inset:auto -10% -170px -10%;height:330px;
  background:var(--paper);
  border-radius:50% 50% 0 0/45% 45% 0 0;
}
.hero-glow{
  position:absolute;width:420px;height:420px;border-radius:50%;
  right:-160px;top:-140px;border:1px solid rgba(255,255,255,.15);
  box-shadow:0 0 0 60px rgba(255,255,255,.03),0 0 0 120px rgba(255,255,255,.02)
}
.hero-grid{
  min-height:650px;padding:88px 0 145px;
  display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:70px;
  position:relative;z-index:1;
}
.eyebrow,.section-kicker,.video-type{
  margin:0 0 14px;color:var(--orange);font-size:.76rem;font-weight:850;
  letter-spacing:.15em;text-transform:uppercase
}
.hero .eyebrow{color:#baf1f0}
h1,h2,h3{line-height:1.08;letter-spacing:-.035em;margin:0}
h1{font-size:clamp(3rem,6vw,5.7rem);max-width:720px}
h1 span{display:block;color:#fff;position:relative}
h1 span:after{
  content:"";display:block;width:112px;height:7px;border-radius:20px;background:var(--orange);margin-top:22px
}
.hero-text{font-size:1.14rem;max-width:650px;color:rgba(255,255,255,.84);margin:28px 0}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:50px;
  padding:0 22px;border-radius:999px;text-decoration:none;font-weight:800;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 12px 30px rgba(240,80,66,.25)}
.btn-primary:hover{box-shadow:0 16px 38px rgba(240,80,66,.35)}
.btn-secondary{border-color:rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.07)}
.btn-secondary:hover{background:#fff;color:var(--teal-deep)}
.btn-secondary.dark{border-color:rgba(8,145,155,.3);color:var(--teal-deep);background:#fff}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
.trust-row span{padding:8px 12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);border-radius:999px;font-size:.78rem}
.hero-media{display:flex;justify-content:center}
.image-play{
  position:relative;border:0;padding:0;background:none;cursor:pointer;width:min(520px,100%);
  filter:drop-shadow(0 28px 50px rgba(0,0,0,.28))
}
.image-play img{border-radius:30px;border:8px solid rgba(255,255,255,.92);aspect-ratio:1/1;object-fit:cover}
.image-play:before{content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.4);border-radius:20px;z-index:1;pointer-events:none}
.play-ring{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:82px;height:82px;
  display:grid;place-items:center;border-radius:50%;background:#fff;box-shadow:0 10px 35px rgba(0,0,0,.25);z-index:2
}
.play-icon{width:0;height:0;border-top:11px solid transparent;border-bottom:11px solid transparent;border-left:17px solid var(--orange);margin-left:5px}
.media-label{
  position:absolute;right:24px;bottom:24px;z-index:2;background:var(--orange);color:#fff;
  border-radius:999px;padding:8px 13px;font-weight:850;font-size:.7rem;letter-spacing:.08em
}
.section{padding:110px 0}
.intro{background:#fff}
.intro h2,.section-heading h2,.facts-grid h2,.cta h2{font-size:clamp(2.2rem,4vw,3.7rem)}
.intro p:not(.section-kicker){font-size:1.08rem;color:var(--muted)}
.intro strong{color:var(--teal-dark)}
.videos{background:var(--paper)}
.section-heading{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:42px}
.section-heading>p{max-width:420px;color:var(--muted);margin:0}
.centered{display:block;text-align:center;max-width:760px;margin:0 auto 46px}
.centered>p:last-child{margin:18px auto 0}
.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.video-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.video-frame{background:#062f35;position:relative;overflow:hidden}
.video-frame.vertical{aspect-ratio:9/10}
.video-frame.landscape{aspect-ratio:16/9}
.video-poster{border:0;background:none;padding:0;cursor:pointer;width:100%;height:100%;position:absolute;inset:0}
.video-poster img{width:100%;height:100%;object-fit:cover}
.video-poster:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(0,0,0,.35))}
.video-poster .play-ring{width:72px;height:72px}
.video-content{padding:26px}
.video-content h3{font-size:1.45rem}
.video-content p{color:var(--muted);margin:10px 0 16px}
.text-button{border:0;background:none;padding:0;color:var(--teal-dark);font-weight:850;cursor:pointer}
.capabilities{background:#fff}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.feature{background:#fff;padding:34px;min-height:230px}
.feature-number{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;background:rgba(8,145,155,.1);color:var(--teal-dark);font-weight:900;font-size:.8rem;margin-bottom:24px}
.feature h3{font-size:1.3rem;margin-bottom:12px}
.feature p{color:var(--muted);margin:0}
.project-facts{background:linear-gradient(135deg,#effafa,#fff)}
.facts-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:start}
.facts-grid>div>p:last-child{color:var(--muted);font-size:1.08rem}
dl{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden}
dl div{background:#fff;padding:24px}
dt{font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;font-weight:850;color:var(--teal)}
dd{margin:7px 0 0;font-weight:750}
.cta{padding:80px 0;background:var(--teal-deep);color:#fff}
.cta-inner{display:flex;justify-content:space-between;gap:50px;align-items:center}
.cta .section-kicker{color:#9ce4e2}
.cta p:last-child{color:rgba(255,255,255,.74);max-width:720px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0}
.footer{background:#022d34;color:rgba(255,255,255,.7);padding:34px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.footer img{background:#fff;padding:6px;border-radius:7px}
.footer p{margin:0;font-size:.85rem}
.footer a{color:#fff;font-weight:750;text-decoration:none}
.modal{display:none;position:fixed;inset:0;z-index:100;background:rgba(0,25,30,.88);padding:20px}
.modal.is-open{display:grid;place-items:center}
.modal-backdrop{position:absolute;inset:0}
.modal-dialog{position:relative;width:min(1040px,96vw);z-index:1}
.modal-close{
  position:absolute;right:-10px;top:-52px;width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.3);
  background:#fff;color:var(--ink);font-size:28px;line-height:1;cursor:pointer
}
.modal-player{background:#000;border-radius:18px;overflow:hidden;box-shadow:0 30px 100px rgba(0,0,0,.5);aspect-ratio:16/9}
.modal-player.vertical{aspect-ratio:9/16;width:min(430px,90vw);margin:auto}
.modal-player iframe,.modal-player video{width:100%;height:100%;border:0;display:block}
body.modal-open{overflow:hidden}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;padding-top:65px}
  .hero-media{order:-1}
  .hero-grid{min-height:auto}
  .hero:after{bottom:-230px}
  .section-heading,.cta-inner{display:block}
  .section-heading>p{margin-top:16px}
  .video-grid,.feature-grid,.facts-grid{grid-template-columns:1fr}
  .cta-actions{margin-top:25px}
}
@media (max-width:600px){
  .container{width:min(100% - 28px,1160px)}
  .nav{height:68px}
  .brand img{width:165px}
  .nav-cta{font-size:.75rem;padding:9px 12px}
  .hero-grid{gap:40px;padding:48px 0 130px}
  h1{font-size:clamp(2.7rem,13vw,4rem)}
  .hero-text{font-size:1rem}
  .section{padding:78px 0}
  .feature{min-height:auto}
  dl{grid-template-columns:1fr}
  .footer-inner{display:grid}
  .footer img{width:165px}
  .modal{padding:12px}
  .modal-close{right:0;top:-48px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}