:root {
  --paper: #faf9f6; --card: #ffffff; --ink: #142033; --navy: #12203a; --navy2: #1b2d4d; --ink2: #2a2f36; --mute: #62676e; --line: #e2e0d8; --line2: #cfccc2;
  --accent: #0d9f6e; --accent-soft: #dff3ea; --red: #c9372c;
  --display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --pad: clamp(20px, 4.2vw, 72px);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body { background: var(--paper); color: var(--ink); font-family: var(--display); -webkit-font-smoothing: antialiased; overflow: hidden; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; text-align: left; }

.lbl, .hud, .num { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }

/* deck */
.deck { height: 100vh; overflow-y: auto; scroll-snap-type: y mandatory; scroll-behavior: smooth; }
.slide { min-height: 100vh; scroll-snap-align: start; position: relative; padding: calc(var(--pad) + 44px) var(--pad) calc(var(--pad) + 36px); display: flex; flex-direction: column; justify-content: center; border-bottom: 1px solid var(--line); }
.slide.ink { background: var(--navy); color: var(--paper); border-color: #0b1526; }
.eyebrow { color: var(--navy); margin-bottom: 22px; display: flex; gap: 14px; align-items: center; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--accent); }
.ink .eyebrow { color: #c9d2e0; }
h1 { font-size: clamp(48px, 8.4vw, 136px); line-height: 1.06; letter-spacing: -.045em; font-weight: 600; }
h2 { font-size: clamp(36px, 5vw, 76px); line-height: 1.1; letter-spacing: -.035em; font-weight: 600; }
h1 em, h2 em { --box: var(--navy); font-style: normal; color: #fff; padding: 0 .16em .02em .22em; background: linear-gradient(var(--accent), var(--accent)) left .15em / .09em calc(100% - .15em) no-repeat, linear-gradient(var(--box), var(--box)) left .15em / 100% calc(100% - .15em) no-repeat; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.ink h1 em, .ink h2 em { --box: #fff; color: var(--navy); }
.lede { font-size: clamp(18px, 1.6vw, 24px); line-height: 1.45; color: var(--mute); max-width: 44ch; margin-top: 28px; }
.ink .lede { color: #aab4c5; }

/* cover */
.cover-foot { position: absolute; left: var(--pad); right: var(--pad); bottom: calc(var(--pad) + 20px); display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; color: #8e9ab0; border-top: 1px solid #2b3b57; padding-top: 18px; }
.cover-count { font-family: var(--mono); color: var(--paper); }
.cover-count b { background: #fff; color: var(--navy); font-weight: 600; padding: 1px 6px; margin-right: 4px; }

/* before / after */
.versus { display: grid; grid-template-columns: 1fr 1fr; margin-top: 40px; border: 1px solid var(--line); background: var(--card); }
.versus > div { padding: clamp(24px, 3vw, 48px); }
.versus > div + div { border-left: 1px solid var(--line); background: var(--navy); color: var(--paper); }
.versus ul { list-style: none; margin-top: 22px; }
.versus li { font-size: clamp(20px, 2vw, 30px); letter-spacing: -.02em; padding: 11px 0; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; }
.versus > div + div li { border-color: #2b3b57; }
.versus li span { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; color: var(--mute); align-self: center; }
.versus .old li { color: var(--mute); text-decoration: line-through; text-decoration-thickness: 1px; }
.versus .new .lbl { color: var(--accent); }

/* menu index */
.index { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 48px; border-top: 1px solid var(--ink); }
.index button { padding: 20px 18px 22px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 44px 1fr auto; gap: 10px; align-items: baseline; transition: color .15s; }
.index button:hover { color: var(--navy); background: var(--card); }
.index .t { font-size: clamp(17px, 1.45vw, 22px); letter-spacing: -.01em; font-weight: 500; }
.index .num, .index .c { color: var(--mute); }
.index button.flag .t::after { content: "Flagship"; font-family: var(--mono); font-size: 9px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--accent); padding: 2px 5px; margin-left: 10px; vertical-align: 3px; }

/* category */
.cat { display: grid; grid-template-columns: minmax(260px, 4fr) 8fr; gap: clamp(28px, 4vw, 72px); align-items: start; }
.cat-head { position: sticky; top: 0; }
.cat-num { font-size: clamp(90px, 12vw, 190px); line-height: .8; letter-spacing: -.06em; font-weight: 600; color: transparent; -webkit-text-stroke: 1px var(--line2); margin-bottom: 18px; }
.cat-head h2 { font-size: clamp(34px, 3.8vw, 60px); }
.cat-head .lede { font-size: clamp(16px, 1.3vw, 20px); margin-top: 18px; }
.cat-head .hint { margin-top: 28px; color: var(--mute); }
.items { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--ink); }
.item { display: grid; grid-template-columns: 42px 1fr 20px; gap: 6px; padding: clamp(11px, 1.35vh, 18px) 16px clamp(11px, 1.35vh, 18px) 0; border-bottom: 1px solid var(--line); position: relative; }
.item:nth-child(odd) { border-right: 1px solid var(--line); }
.item:nth-child(even) { padding-left: 18px; grid-template-columns: 42px 1fr 20px; }
.item .num { color: var(--mute); padding-top: 4px; font-size: 10px; }
.item b { display: block; font-size: clamp(16px, 1.3vw, 21px); font-weight: 500; letter-spacing: -.01em; line-height: 1.25; }
.item small { display: block; font-size: clamp(13.5px, 1.02vw, 16px); color: var(--mute); margin-top: 3px; line-height: 1.35; }
.item .go { align-self: center; width: 20px; height: 20px; border: 1px solid var(--line2); position: relative; opacity: .5; transition: all .15s; }
.item .go::after { content: ""; position: absolute; inset: 6px 6px 6px 5px; border: solid currentColor; border-width: 1px 1px 0 0; transform: rotate(45deg); }
.item:hover { background: var(--card); }
.item:hover b { color: var(--navy); }
.item:hover .go { opacity: 1; border-color: var(--navy); color: #fff; background: var(--navy); }

/* everything wall */
.wall { columns: 6 170px; column-gap: 24px; margin-top: 28px; }
.wall button { display: block; break-inside: avoid; font-size: 12.5px; line-height: 1.25; padding: 2.5px 0; color: var(--ink2); }
.wall button span { font-family: var(--mono); font-size: 9.5px; color: var(--mute); margin-right: 8px; }
.wall button:hover { color: #fff; background: var(--navy); }
.wall h6 { break-after: avoid; font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); padding: 10px 0 4px; border-top: 1px solid var(--line); margin-top: 4px; font-weight: 500; }

/* industries */
.ind { display: grid; grid-template-columns: minmax(240px, 4fr) 8fr; gap: clamp(28px, 4vw, 72px); margin-top: 44px; }
.tabs { border-top: 1px solid var(--ink); }
.tabs button { display: flex; justify-content: space-between; width: 100%; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: clamp(16px, 1.3vw, 20px); letter-spacing: -.01em; color: var(--mute); }
.tabs button[aria-selected="true"] { color: var(--ink); font-weight: 500; }
.tabs button[aria-selected="true"]::after { content: ""; width: 8px; height: 8px; background: var(--accent); align-self: center; }
.pack { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); align-content: start; }
.pack button { background: var(--card); padding: 22px 20px 26px; min-height: 150px; display: flex; flex-direction: column; justify-content: space-between; }
.pack button:hover { background: var(--navy); color: var(--paper); }
.pack .t { font-size: clamp(17px, 1.4vw, 22px); letter-spacing: -.015em; font-weight: 500; line-height: 1.2; }
.pack .num { color: var(--mute); }
.pack-note { margin-top: 18px; color: var(--mute); }

/* proof */
.proof { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 48px; border-top: 1px solid #2b3b57; }
.proof div { padding: 24px 22px 28px 0; border-bottom: 1px solid #2b3b57; }
.proof div:not(:nth-child(4n+1)) { padding-left: 22px; border-left: 1px solid #2b3b57; }
.proof .num { color: var(--accent); }
.proof b { display: block; font-size: clamp(17px, 1.35vw, 21px); font-weight: 500; letter-spacing: -.01em; margin: 14px 0 10px; line-height: 1.2; }
.proof p { color: #aab4c5; font-size: clamp(13px, 1vw, 15px); line-height: 1.5; }

/* questions */
.qs { list-style: none; margin-top: 44px; display: grid; grid-template-columns: 1fr 1fr; column-gap: 48px; border-top: 1px solid var(--ink); }
.qs li { font-size: clamp(20px, 2vw, 30px); letter-spacing: -.02em; line-height: 1.2; padding: 22px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 52px 1fr; }
.qs .num { padding-top: 8px; color: var(--accent); }

/* ways to sell + process */
.cols3 { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 48px; border: 1px solid var(--line); background: var(--card); }
.cols3 > div { padding: clamp(24px, 2.6vw, 40px); }
.cols3 > div + div { border-left: 1px solid var(--line); }
.cols3 .big { font-size: clamp(40px, 4.6vw, 72px); font-weight: 600; letter-spacing: -.045em; line-height: 1; margin: 18px 0 14px; }
.cols3 p { color: var(--mute); font-size: clamp(15px, 1.15vw, 18px); line-height: 1.5; }
.cols3 ul { list-style: none; margin-top: 20px; border-top: 1px solid var(--line); }
.cols3 li { padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.cols3 .lbl { color: var(--accent); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 56px; }
.steps div { border-top: 2px solid var(--ink); padding: 20px 24px 0 0; }
.steps div:first-child { border-color: var(--accent); }
.steps b { display: block; font-size: clamp(24px, 2.4vw, 38px); font-weight: 600; letter-spacing: -.03em; margin: 12px 0 10px; }
.steps p { color: var(--mute); font-size: clamp(14px, 1.1vw, 17px); line-height: 1.5; max-width: 26ch; }
.steps .lbl { color: var(--mute); }

/* close */
.close-meta { margin-top: 64px; display: flex; gap: 48px; flex-wrap: wrap; color: #8e9ab0; border-top: 1px solid #2b3b57; padding-top: 20px; }
.close-meta b { color: var(--paper); font-weight: 500; }
.close-meta a { color: inherit; text-decoration: none; pointer-events: auto; }
.close-meta a:hover { color: #fff; }
.close-note { font-size: clamp(15px, 1.2vw, 18px); margin-top: 22px; max-width: 60ch; }

/* HUD */
.hud { position: fixed; left: 0; right: 0; bottom: 0; display: flex; justify-content: space-between; align-items: center; padding: 12px var(--pad); color: var(--mute); pointer-events: none; z-index: 20; transition: color .2s; }
.hud b { color: var(--navy); font-weight: 500; }
body.dark .hud { color: #8e9ab0; }
body.dark .hud b { color: #fff; }

/* brand bar, on every slide */
.brand { position: fixed; top: 0; left: 0; right: 0; z-index: 22; display: flex; justify-content: space-between; align-items: center; padding: 16px var(--pad); pointer-events: none; transition: color .2s; }
.brand-l { display: flex; align-items: center; gap: 12px; }
.mark { width: 38px; height: 38px; background: var(--navy); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 14px; letter-spacing: -.02em; position: relative; }
.mark::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--accent); }
.brand-name { font-size: 19px; font-weight: 600; letter-spacing: -.02em; color: var(--navy); }
.brand-role { color: var(--mute); border-left: 1px solid var(--line2); padding-left: 12px; }
.brand-r { color: var(--mute); }
body.dark .mark { background: #fff; color: var(--navy); }
body.dark .brand-name { color: #fff; }
body.dark .brand-role, body.dark .brand-r { color: #8e9ab0; border-color: #2b3b57; }
.hud .keys { display: flex; gap: 6px; align-items: center; }
.hud kbd { font-family: var(--mono); font-size: 10px; border: 1px solid currentColor; padding: 1px 5px; }
.progress { position: fixed; top: 0; left: 0; height: 2px; background: var(--accent); z-index: 21; transition: width .3s; }

/* reveal */
.slide .rv { opacity: 0; transform: translateY(14px); transition: opacity .35s, transform .35s; }
.slide.in .rv { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .slide .rv { opacity: 1; transform: none; transition: none; } .deck { scroll-behavior: auto; } }

/* modal */
.modal { position: fixed; inset: 0; z-index: 50; background: rgba(20, 23, 28, .72); backdrop-filter: blur(3px); display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal[hidden] { display: none; }
.sheet { background: var(--paper); width: min(1280px, 100%); max-height: calc(100vh - 40px); display: flex; flex-direction: column; border: 1px solid #000; }
.sheet-h { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; padding: 20px 24px 18px; border-bottom: 1px solid var(--line); }
.sheet-h .lbl { color: var(--accent); }
.sheet-h h3 { font-size: clamp(22px, 2.2vw, 32px); letter-spacing: -.025em; font-weight: 600; margin-top: 6px; }
.sheet-h p { color: var(--mute); margin-top: 4px; font-size: 15px; }
.sheet-nav { display: flex; gap: 6px; flex-shrink: 0; }
.sheet-nav button { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; border: 1px solid var(--line2); padding: 8px 12px; background: var(--card); }
.sheet-nav button:hover { border-color: var(--ink); }
.sheet-b { padding: 20px 24px 24px; overflow: auto; }
.browser { border: 1px solid var(--line2); background: var(--card); box-shadow: 0 30px 60px -30px rgba(20, 23, 28, .35); }
.browser-bar { display: flex; align-items: center; gap: 12px; padding: 9px 12px; border-bottom: 1px solid var(--line); background: #f3f2ee; }
.browser-bar i { width: 8px; height: 8px; border: 1px solid var(--line2); display: inline-block; margin-right: 4px; }
.browser-bar .url { font-family: var(--mono); font-size: 11px; color: var(--mute); background: var(--card); border: 1px solid var(--line); padding: 3px 10px; flex: 1; max-width: 420px; }
.sheet-f { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--mute); margin-top: 12px; }

/* responsive */
@media (max-width: 1000px) {
  .cat, .ind { grid-template-columns: 1fr; }
  .cat-head { position: static; }
  .cat-num { font-size: 80px; }
  .index { grid-template-columns: 1fr 1fr; }
  .proof { grid-template-columns: 1fr 1fr; }
  .proof div:not(:nth-child(4n+1)) { padding-left: 0; border-left: 0; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 32px; }
  .pack { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px), (max-height: 640px) {
  .deck { scroll-snap-type: none; }
}
@media (max-width: 700px) {
  .items, .index, .qs, .versus, .cols3, .proof, .pack, .steps { grid-template-columns: 1fr; }
  .item:nth-child(odd) { border-right: 0; }
  .item:nth-child(even) { padding-left: 0; }
  .versus > div + div, .cols3 > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .hud .keys { display: none; }
  .brand-role, .brand-r { display: none; }
  .sheet-h { flex-direction: column-reverse; gap: 12px; padding: 14px 16px; }
  .sheet-b { padding: 14px 16px 18px; }
  .modal { padding: 8px; }
  .cover-foot { position: static; margin-top: 48px; }
}