/* Pages D: how-it-works, install, cables, help, usb. Only .d- classes. */

/* page-heading picture */
.d-hero{max-width:1068px;margin:56px auto 0;padding:0 20px}
.d-hero img{width:100%;height:auto}
.d-hero--sm{max-width:620px}

/* jump links under a heading */
.d-jump{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:36px}
.d-jump a{height:36px;display:inline-flex;align-items:center;padding:0 14px;border-radius:9999px;background:var(--soft);font-size:14px;font-weight:600;transition:background .15s}
.d-jump a:hover{background:rgba(64,64,64,.13)}

/* text + picture side by side */
.d-split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:center;margin-top:56px}
.d-split--rev{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.d-split--rev .d-split__fig{order:-1}
.d-split__h{font-size:40px;line-height:44px;font-weight:650;letter-spacing:-.025em}
.d-split__p{margin-top:16px;font-size:18px;line-height:27px;color:var(--grey)}
.d-split__fig img{width:100%;height:auto;border-radius:18px}
.d-split__fig--plain img{border-radius:0}

/* blue-dot facts */
.d-dots{list-style:none;margin-top:28px;display:grid;gap:14px}
.d-dots li{display:flex;gap:14px;font-size:16px;line-height:24px;color:#3a3a3a}
.d-dots li::before{content:"";flex:none;width:7px;height:7px;margin-top:9px;border-radius:50%;background:var(--blue)}
.d-dots b{font-weight:650;color:var(--ink)}
.d-dots a{color:var(--blue)}

/* light tiles */
.d-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
.d-grid--2{grid-template-columns:repeat(2,1fr)}
.d-tile{border-radius:28px;background:#f6f6f6;padding:32px;display:flex;flex-direction:column}
.d-tile h3{font-size:22px;line-height:28px;font-weight:650;letter-spacing:-.015em}
.d-tile p{margin-top:8px;font-size:15px;line-height:23px;color:var(--grey)}
.d-tile p + p{margin-top:10px}
.d-tile a{color:var(--blue)}
.d-tile__v{margin-top:auto;padding-top:28px}
.d-tile__img{margin:-8px -8px 24px;border-radius:16px;overflow:hidden;background:#000}
.d-tile__img img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.d-tile--wide{grid-column:span 2}

/* exact tiles visual: a desktop split in 64 x 64 tiles, still ones turn exact */
.d-tiles{display:grid;grid-template-columns:repeat(16,1fr);gap:3px;padding:10px;border-radius:14px;background:#fff}
.d-tiles i{aspect-ratio:1;border-radius:3px;background:#e3e3e6;animation:dTile 6s var(--e) infinite;animation-delay:calc(var(--k) * .18s)}
.d-tiles i.m{background:#c9c9ce;animation:none}
@keyframes dTile{0%,20%{background:#e3e3e6}35%,85%{background:var(--blue)}100%{background:#e3e3e6}}
.d-key{display:flex;gap:16px;margin-top:12px;font-size:13px;line-height:18px;color:var(--grey)}
.d-key span{display:inline-flex;align-items:center;gap:6px}
.d-key span::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--blue)}
.d-key span.m::before{background:#c9c9ce}

/* measured bars */
.d-bars{display:grid;gap:14px}
.d-bar{display:grid;gap:6px}
.d-bar__l{display:flex;justify-content:space-between;font-size:14px;line-height:20px}
.d-bar__l b{font-weight:650}
.d-bar__l em{font-style:normal;color:var(--grey);font-variant-numeric:tabular-nums}
.d-bar__t{height:10px;border-radius:9999px;background:#e6e6e9;overflow:hidden}
.d-bar__t i{display:block;height:100%;border-radius:inherit;background:#b9b9bf}
.d-bar--on .d-bar__t i{background:var(--blue)}

/* refresh ticks: frames landing on the iMac's refresh */
.d-sync{position:relative;height:56px;border-radius:14px;background:#fff;overflow:hidden}
.d-sync__ticks{position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 calc(10% - 1px),#d6d6da calc(10% - 1px) 10%)}
.d-sync__f{position:absolute;top:14px;width:calc(10% - 6px);height:28px;margin-left:3px;border-radius:6px;background:var(--blue);animation:dSync 4s steps(10) infinite}
@keyframes dSync{from{left:0}to{left:100%}}

/* six digits */
.d-otp{display:flex;align-items:center;justify-content:center;gap:6px;height:72px;border-radius:14px;background:#fff;font-size:30px;font-weight:650;letter-spacing:.06em;font-variant-numeric:tabular-nums}
.d-otp b{width:10px}

/* the twelve faces */
.d-faces{display:grid;grid-template-columns:repeat(4,1fr);gap:20px 16px;margin-top:48px}
.d-faces figure{margin:0}
.d-faces img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:12px;background:#000}
.d-faces figcaption{margin-top:10px;font-size:14px;line-height:20px;font-weight:600;text-align:center}

/* three pairing screens */
.d-pair{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;list-style:none}
.d-pair li{display:flex;flex-direction:column}
.d-pair img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:18px;background:#1c1c1e}
.d-pair b{display:block;margin-top:18px;font-size:18px;line-height:26px;font-weight:650}
.d-pair span{display:block;margin-top:4px;font-size:15px;line-height:22px;color:var(--grey)}

/* a quiet note under a section */
.d-note{max-width:760px;margin:24px auto 0;padding:20px 24px;border-radius:20px;background:#f6f6f6;font-size:15px;line-height:23px;color:#4a4a4a}
.d-note b{color:var(--ink);font-weight:650}
.d-note a{color:var(--blue)}

/* code block with a Copy button (light, like a Terminal window strip) */
.d-code{max-width:760px;margin:40px auto 0;border-radius:20px;background:#f6f6f6;overflow:hidden}
.d-code__bar{display:flex;align-items:center;justify-content:space-between;gap:12px;height:48px;padding:0 10px 0 20px;border-bottom:1px solid var(--hair);font-size:14px;font-weight:600;color:var(--grey)}
.d-code__copy{height:32px;padding:0 14px;border-radius:9999px;background:#fff;box-shadow:0 0 0 1px var(--hair);font-size:14px;font-weight:600;color:var(--ink);transition:background .15s}
.d-code__copy:hover{background:#fafafa}
.d-code__copy.is-done{color:#1f9d4a}
.d-code pre{margin:0;padding:20px;overflow-x:auto;font:15px/1.6 ui-monospace,"SF Mono",Menlo,monospace;color:var(--ink);white-space:pre}
.d-code__foot{max-width:760px;margin:14px auto 0;font-size:14px;color:var(--grey);text-align:center}
.d-code__foot a{color:var(--blue)}

/* cables: the 400 Mbps statement */
.d-rule{display:grid;grid-template-columns:auto 1fr;gap:56px;align-items:center;max-width:960px;margin:56px auto 0;padding:48px 56px;border-radius:32px;background:#f6f6f6}
.d-rule__n{font-size:120px;line-height:100px;font-weight:700;letter-spacing:-.05em}
.d-rule__n small{display:block;margin-top:10px;font-size:22px;line-height:28px;font-weight:650;letter-spacing:-.01em;color:var(--grey)}
.d-rule p{font-size:18px;line-height:27px;color:#3a3a3a}
.d-rule p + p{margin-top:12px}
.d-rule b{color:var(--ink);font-weight:650}

/* speed scale (log): where each link lands against the 400 Mbps line */
.d-scale{max-width:960px;margin:48px auto 0}
.d-scale__row{display:grid;grid-template-columns:200px 1fr;gap:20px;align-items:center;padding:12px 0}
.d-scale__row b{font-size:16px;line-height:22px;font-weight:650}
.d-scale__row b em{display:block;font-style:normal;font-size:13px;line-height:18px;font-weight:500;color:var(--grey)}
.d-scale__track{position:relative;height:28px}
.d-scale{--min:48.5%}
.d-scale__track::after{content:"";position:absolute;left:var(--min);top:-6px;bottom:-6px;border-left:2px dashed var(--ink)}
.d-scale__track::before{content:"";position:absolute;left:0;right:0;top:13px;height:2px;border-radius:2px;background:#ececee}
.d-scale__seg{position:absolute;top:6px;height:16px;border-radius:9999px;background:#c5c5ca}
.d-scale__seg--ok{background:var(--blue)}
.d-scale__seg span{position:absolute;left:calc(100% + 14px);top:-1px;font-style:normal;font-size:13px;line-height:18px;font-weight:600;white-space:nowrap;color:var(--grey);font-variant-numeric:tabular-nums}
.d-scale__seg span.in{left:auto;right:12px;top:0;line-height:16px;font-size:12px;color:#fff}
.d-scale__seg--ok span{color:var(--ink)}
.d-scale__seg--ok span.in{color:#fff}
.d-scale__axis{position:relative;height:56px;margin-left:220px}
.d-scale__axis span.on{font-weight:700;color:var(--ink);top:8px}
.d-scale__axis span{position:absolute;top:8px;transform:translateX(-50%);font-size:12px;color:var(--grey);font-variant-numeric:tabular-nums;white-space:nowrap}

/* model picker */
.d-pick{max-width:760px;margin:48px auto 0;padding:32px;border-radius:28px;background:#f6f6f6}
.d-pick label{display:block;font-size:18px;line-height:26px;font-weight:650}
.d-pick select{-webkit-appearance:none;appearance:none;width:100%;height:52px;margin-top:14px;padding:0 44px 0 18px;border:0;border-radius:14px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23707070' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m3 4.5 3 3 3-3'/%3E%3C/svg%3E") right 18px center/12px no-repeat;box-shadow:0 0 0 1px var(--hair);font:inherit;font-size:16px;color:var(--ink);cursor:pointer}
.d-pick__hint{margin-top:10px;font-size:14px;line-height:20px;color:var(--grey)}
.d-pick__out{margin-top:24px}
.d-pick__out[hidden]{display:none}
.d-pick__lead{font-size:17px;line-height:25px;font-weight:600}
.d-buy{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}
.d-buy > div{padding:22px 22px 24px;border-radius:20px;background:#fff}
.d-buy h3{font-size:17px;line-height:24px;font-weight:650}
.d-buy h3 em{font-style:normal;color:var(--grey);font-weight:500}
.d-buy ul{list-style:none;margin-top:10px;display:grid;gap:8px}
.d-buy li{display:flex;gap:10px;font-size:15px;line-height:22px;color:#3a3a3a}
.d-buy li::before{content:"";flex:none;width:6px;height:6px;margin-top:8px;border-radius:50%;background:var(--blue)}
.d-buy p{margin-top:12px;font-size:14px;line-height:20px;color:var(--grey)}
.d-buy--1{grid-template-columns:1fr}

/* per-iMac comparison, one column per iMac family (Apple's "which one is right for you" layout) */
.d-cmp{width:100%;min-width:900px;border-collapse:collapse;table-layout:fixed;margin-top:56px;text-align:center}
.d-cmp th,.d-cmp td{padding:0 12px;vertical-align:top}
.d-cmp thead th{padding-bottom:28px;border-bottom:1px solid var(--hair)}
.d-cmp thead img{width:auto;height:120px;margin:0 auto 18px;object-fit:contain}
.d-cmp thead b{display:block;font-size:20px;line-height:26px;font-weight:650;letter-spacing:-.01em}
.d-cmp thead span{display:block;margin-top:4px;font-size:13px;line-height:18px;font-weight:500;color:var(--grey)}
.d-cmp tbody th{padding:32px 12px 0;text-align:center;font-size:13px;line-height:18px;font-weight:650;color:var(--grey)}
.d-cmp tbody tr.d-cmp__lbl th{padding-top:40px}
.d-cmp td{padding-top:8px;font-size:15px;line-height:22px;color:#3a3a3a}
.d-cmp td b{display:block;color:var(--ink);font-weight:650}
.d-cmp td small{display:block;margin-top:4px;font-size:13px;line-height:18px;color:var(--grey)}
.d-cmp td.d-cmp__na{color:var(--grey)}
.d-cmp tbody tr:last-child td{padding-bottom:36px;border-bottom:1px solid var(--hair)}
.d-cmp-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}

.d-cmpm{display:none}
.d-cmpm__f{padding:28px 24px;border-radius:24px;background:#f6f6f6;text-align:center}
.d-cmpm__f + .d-cmpm__f{margin-top:16px}
.d-cmpm__f img{height:96px;width:auto;margin:0 auto 14px}
.d-cmpm__f > b{display:block;font-size:20px;line-height:26px;font-weight:650}
.d-cmpm__f > span{display:block;margin-top:2px;font-size:13px;color:var(--grey)}
.d-cmpm dl{margin-top:18px;text-align:left}
.d-cmpm dt{margin-top:14px;font-size:13px;line-height:18px;font-weight:650;color:var(--grey)}
.d-cmpm dd{margin-top:2px;font-size:15px;line-height:22px;color:#3a3a3a}

/* traps */
.d-traps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
.d-traps > div{padding:28px;border-radius:24px;background:#f6f6f6}
.d-traps h3{font-size:18px;line-height:25px;font-weight:650}
.d-traps p{margin-top:8px;font-size:15px;line-height:22px;color:var(--grey)}

/* help: topic index (three columns of topics, questions as links) */
.d-topics{display:grid;grid-template-columns:repeat(3,1fr);gap:48px 40px;margin-top:64px}
.d-topics h2{font-size:20px;line-height:26px;font-weight:650;letter-spacing:-.01em}
.d-topics ul{list-style:none;margin-top:14px;display:grid;gap:10px}
.d-topics li a{font-size:15px;line-height:22px;color:var(--grey);transition:color .15s}
.d-topics li a:hover{color:var(--blue)}
.d-topics__all{display:inline-block;margin-top:14px;font-size:14px;font-weight:600;color:var(--blue)}
.d-group{scroll-margin-top:96px}
.d-group .sec__h{text-align:left;max-width:760px;margin:0 auto}
.d-group .faq{margin-top:24px}
.d-group details{scroll-margin-top:96px}

/* usb */
.d-soon{display:inline-flex;align-items:center;height:32px;padding:0 14px;margin-top:28px;border-radius:9999px;background:var(--soft);font-size:14px;font-weight:650}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .d-grid{grid-template-columns:1fr 1fr}
  .d-tile--wide{grid-column:span 2}
  .d-traps{grid-template-columns:1fr 1fr}
  .d-split,.d-split--rev{grid-template-columns:1fr;gap:32px}
  .d-split--rev .d-split__fig{order:0}
  .d-faces{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:767px){
  .d-hero{margin-top:36px}
  .d-split{margin-top:40px}
  .d-split__h{font-size:30px;line-height:34px}
  .d-split__p{font-size:17px;line-height:25px}
  .d-grid,.d-grid--2,.d-traps,.d-topics,.d-pair,.d-buy{grid-template-columns:1fr}
  .d-tile--wide{grid-column:auto}
  .d-tile{padding:26px 24px}
  .d-faces{grid-template-columns:1fr 1fr;gap:16px 12px}
  .d-faces figcaption{font-size:13px}
  .d-topics{gap:36px;margin-top:48px}
  .d-rule{grid-template-columns:1fr;gap:20px;padding:32px 24px;border-radius:24px;text-align:left}
  .d-rule__n{font-size:84px;line-height:76px}
  .d-rule p{font-size:16px;line-height:24px}
  .d-scale__row{grid-template-columns:1fr;gap:20px;padding:10px 0 4px}
  .d-scale__axis{margin-left:0}
  .d-pick{padding:24px 20px;border-radius:24px}
  .d-code pre{font-size:13px;padding:16px;white-space:pre-wrap;word-break:break-all}
  .d-cmp-wrap{display:none}
  .d-cmpm{display:block;margin-top:40px}
  .d-scale__track{margin-bottom:22px}
  .d-scale__seg span{left:0;top:22px}
  .d-scale__seg span.in{left:auto;top:0}
  .d-scale__axis span:first-child{transform:none}
}

.d-a{color:var(--blue)}
.d-a:hover{text-decoration:underline;text-underline-offset:3px}