.cable-hero{min-height:520px;display:flex;align-items:center;padding:80px 8%;color:#fff;background:linear-gradient(90deg,rgba(3,15,31,.98) 0%,rgba(3,15,31,.9) 37%,rgba(3,15,31,.2) 72%),url('photos/fiber-optic-cable-cutaway.png') center/cover no-repeat}.cable-hero__copy{max-width:650px}.cable-hero h1{font-size:58px;line-height:1;margin:18px 0 20px}.cable-hero p{max-width:560px;color:#c4d4e3;font-size:17px;line-height:1.7}.edu-intro{max-width:900px;margin:0 auto 65px;text-align:center}.edu-intro p{font-size:15px}.layer-grid{display:grid;grid-template-columns:repeat(3,1fr);border-left:1px solid var(--line);border-top:1px solid var(--line);margin:35px 0 75px}.layer{padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.layer span{display:block;color:var(--blue);font-size:11px;font-weight:800;letter-spacing:1.5px}.layer h3{color:var(--navy);font-size:19px;margin:12px 0}.light-section{background:#f1f6fa;margin:0 -9.6%;padding:70px 9.6%}.light-path{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.light-step{background:#fff;padding:28px;border-top:4px solid var(--blue)}.light-step b{display:block;color:var(--blue);font-size:30px;margin-bottom:14px}.cable-note{margin-top:65px;padding:35px;border-left:5px solid var(--blue);background:#061a32;color:#fff}.cable-note h2{color:#fff}.cable-note p{color:#bdcddd}.related-actions{text-align:center;margin-top:55px}.related-actions a{display:inline-block;margin:6px}.secondary-button{border:1px solid var(--blue);color:var(--blue);padding:13px 16px;font-weight:bold}@media(max-width:900px){.cable-hero{min-height:470px;padding:60px 6%;background-position:62% center}.cable-hero h1{font-size:46px}.layer-grid,.light-path{grid-template-columns:1fr 1fr}}@media(max-width:560px){.cable-hero{min-height:500px;padding:52px 5%;align-items:flex-end;background:linear-gradient(0deg,rgba(3,15,31,.98) 0%,rgba(3,15,31,.75) 60%,rgba(3,15,31,.15) 100%),url('photos/fiber-optic-cable-cutaway.png') 68% center/cover no-repeat}.cable-hero h1{font-size:39px}.cable-hero p{font-size:14px}.layer-grid,.light-path{grid-template-columns:1fr}.light-section{margin:0 -5.6%;padding:55px 5.6%}}
.video-learning{margin:70px -9.6% 0;padding:70px 9.6%;background:#061a32;color:#fff}.video-learning h2{color:#fff}.video-learning>p{max-width:720px;color:#bdcddd}.video-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:34px}.video-card{background:#0a2442;border:1px solid #26527a;padding:18px}.video-card video{display:block;width:100%;aspect-ratio:16/9;object-fit:contain;background:#000}.video-card h3{margin:18px 0 7px;font-size:20px}.video-card p{margin:0;color:#b9cada}.video-help{font-size:11px!important;color:#82a3bf!important;margin-top:14px!important}@media(max-width:900px){.video-learning{margin-left:-6.8%;margin-right:-6.8%;padding-left:6.8%;padding-right:6.8%}}@media(max-width:650px){.video-grid{grid-template-columns:1fr}.video-learning{margin-left:-5.6%;margin-right:-5.6%;padding:52px 5.6%}.video-card{padding:12px}}
.hero-video-button{display:inline-flex;align-items:center;gap:12px;margin-top:22px;padding:15px 22px;background:#1677d2;color:#fff;font-size:14px;font-weight:800;text-transform:uppercase;letter-spacing:.7px;border:1px solid #4db3f7;box-shadow:0 10px 30px rgba(22,119,210,.28);transition:.2s ease}.hero-video-button:hover{background:#2388e7;transform:translateY(-2px)}.play-icon{display:grid;place-items:center;width:29px;height:29px;border-radius:50%;background:#fff;color:#1677d2;font-size:12px;padding-left:2px}.video-learning{scroll-margin-top:105px}html{scroll-behavior:smooth}@media(max-width:560px){.hero-video-button{font-size:12px;padding:13px 17px}.play-icon{width:25px;height:25px}}
.hero-video-button{font-family:inherit;cursor:pointer}.video-learning[hidden]{display:none!important}