/* CATENA home: the story of the arena, from the live stage to straight answers. */

/* ---------------------------------------------------------------- hero */
.h-hero { position: relative; min-height: 100svh; display: grid; grid-template-columns: minmax(440px, 46%) 1fr; align-items: center; padding-top: 80px; overflow: hidden; }
.h-copy { position: relative; z-index: 2; padding: 0 0 40px var(--pad); max-width: min(640px, 44vw); }
.h-copy h1 { font-size: clamp(56px, 6.4vw, 112px); margin-top: 22px; animation: rise 1s cubic-bezier(.2, .7, .2, 1) both .1s; }
.h-copy h1 b { margin-top: .04em; }
.h-copy .lede { margin-top: 26px; max-width: min(470px, 92%); font-size: clamp(16.5px, 1.25vw, 19px); animation: rise 1s cubic-bezier(.2, .7, .2, 1) both .25s; }
.h-copy .cta { margin-top: 30px; animation: rise 1s cubic-bezier(.2, .7, .2, 1) both .35s; }
.h-stage { position: absolute; top: 0; right: 0; bottom: 0; width: 56%; }
.h-stage canvas { position: absolute; inset: 0; display: block; cursor: grab; }
.h-chips { position: absolute; inset: 0; pointer-events: none; }
.h-chips span { position: absolute; left: 0; top: 0; white-space: nowrap; font: 500 12px Mona; color: var(--mute); padding: 4px 9px; border-radius: 999px; background: rgba(var(--card-rgb), .7); will-change: transform; }
.h-chips span i { font-style: normal; font-variant-numeric: tabular-nums; }
.h-ranks { list-style: none; margin: 34px 0 0; padding: 0; display: flex; gap: 5px; flex-wrap: wrap; animation: fade 1.2s ease both .6s; }
.h-ranks li:first-child a { box-shadow: inset 0 0 0 1.5px var(--neon); background: var(--surface-2); }
.h-ranks a { display: inline-flex; align-items: center; gap: 5px; padding: 6px 9px 6px 7px; border-radius: 999px; background: rgba(var(--card-rgb), .72); box-shadow: inset 0 0 0 1px rgba(var(--fg-rgb), 0.084); text-decoration: none; color: var(--ink); font: 500 12.5px Mona; }
.h-ranks img { width: 18px; height: 18px; object-fit: contain; }
.h-ranks span { color: var(--dim); font-variant-numeric: tabular-nums; }
.h-ranks i { font-style: normal; font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------------------- tape */
.tape { border-block: 1px solid var(--line); background: rgba(var(--card-rgb), .45); overflow-x: auto; scrollbar-width: none; }
.tape::-webkit-scrollbar { display: none; }
.tape-in { display: flex; gap: 0; width: max-content; min-width: 100%; justify-content: space-between; padding: 0 var(--pad); }
.tp { display: inline-flex; align-items: center; gap: 8px; padding: 15px 16px; font: 400 13.5px Mona; white-space: nowrap; }
.tp img { width: 18px; height: 18px; object-fit: contain; }
.tp b { font-weight: 600; }
.tp span { font-variant-numeric: tabular-nums; color: var(--mute); }
.tp i { font-style: normal; font-weight: 500; font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------------------- why now */
.why { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; width: min(1240px, 100% - 2 * var(--pad)); margin: 0 auto; padding: 130px 0 80px; }
.why h2 { font-size: clamp(40px, 4.4vw, 74px); }
.why .lede { margin-top: 22px; max-width: 520px; }
.why .src { margin-top: 22px; font-size: 13px; color: var(--dim); }
.why .src a { color: var(--mute); }
.vs { padding: 10px 24px; }
.vs-row { display: grid; grid-template-columns: 1.05fr 1fr 1.2fr; gap: 16px; padding: 15px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.vs-row:last-child { border-bottom: 0; }
.vs-row span { font: 400 13.5px Mona; color: var(--dim); }
.vs-row em { font: 400 15px/1.35 Mona; font-style: normal; color: var(--mute); }
.vs-row em.us { color: var(--ink); font-weight: 500; }
.vs-head b { font: 600 15px Mona; }
.vs-head b.us { display: inline-flex; align-items: center; gap: 8px; }
.vs-head b.us::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--up); }

/* ---------------------------------------------------------------- how to read a chain */
.read { height: 520vh; position: relative; }
.read-pin { position: sticky; top: 0; height: 100svh; display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; overflow: hidden; }
.read-stage { position: relative; height: 100%; }
.read-stage canvas { position: absolute; inset: 0; display: block; }
.read-tags { position: absolute; inset: 0; pointer-events: none; }
.tag { position: absolute; left: 0; top: 0; display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; will-change: transform; opacity: .32; transition: opacity .4s; }
.tag i { width: 26px; height: 1px; background: var(--ink); }
.tag.left { flex-direction: row-reverse; }
.tag em { font: 500 13.5px Mona; font-style: normal; padding: 7px 12px; border-radius: 999px; background: rgba(var(--card-rgb), .85); box-shadow: 0 8px 24px -14px rgba(0, 0, 0, 0.72); font-variant-numeric: tabular-nums; }
.tag.on { opacity: 1; }
.tag.on em { background: var(--fg); color: var(--on-fg); }
.read-copy { padding: 0 var(--pad) 0 20px; max-width: 560px; }
.read-copy h2 { font-size: clamp(36px, 3.8vw, 60px); margin-bottom: 34px; }
.read-steps { list-style: none; margin: 0; padding: 0; position: relative; min-height: 190px; }
/* steps: the title rises word by word, the text sharpens in; the step that leaves slides up and blurs out */
.read-steps li { position: absolute; inset: 0 0 auto; pointer-events: none; }
.read-steps li.on { pointer-events: auto; }
.read-steps h3 .mw { display: inline-block; overflow: hidden; vertical-align: top; padding: .05em .02em .1em; margin: -.05em -.02em -.1em; }
.read-steps h3 .mw > span { display: inline-block; transform: translate3d(0, 110%, 0); transition: transform .8s var(--ease); transition-delay: calc(var(--i, 0) * 40ms); }
.read-steps li.past h3 .mw > span { transform: translate3d(0, -110%, 0); transition-duration: .5s; transition-delay: calc(var(--i, 0) * 18ms); }
.read-steps li.on h3 .mw > span { transform: none; }
.read-steps li p { opacity: 0; transform: translate3d(0, 16px, 0); filter: blur(8px); transition: opacity .55s ease, transform .8s var(--ease), filter .55s ease; }
.read-steps li.past p { transform: translate3d(0, -14px, 0); }
.read-steps li.on p { opacity: 1; transform: none; filter: none; transition-delay: .18s; }
/* the rail: five segments, the current one fills with the scroll */
.read-rail { display: flex; gap: 6px; margin: 0 0 26px; max-width: 320px; }
.read-rail i { flex: 1; height: 3px; border-radius: 3px; background: rgba(var(--fg-rgb), .12); position: relative; overflow: hidden; }
.read-rail i::after { content: ""; position: absolute; inset: 0; background: var(--neon); transform-origin: 0 50%; transform: scaleX(var(--f, 0)); transition: transform .25s linear; box-shadow: 0 0 12px rgba(var(--neon-rgb), .6); }
.read-steps h3 { margin: 0 0 12px; font: 700 clamp(22px, 2vw, 30px)/1.15 Mona; font-stretch: 92%; letter-spacing: -.02em; }
.read-steps p { margin: 0; color: var(--mute); font-size: 17px; line-height: 1.5; max-width: 420px; }

/* ---------------------------------------------------------------- the desk on the home page */
.h-desk { padding: 110px var(--pad) 10px; }
.h-desk h2 { font-size: clamp(36px, 4vw, 64px); }
.h-desk-grid { width: min(1240px, 100%); margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.h-desk-cta { text-align: center; margin-top: 26px; }
@media (max-width: 1080px) { .h-desk-grid { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- follow on the home page */
.h-follow { padding: 100px var(--pad) 10px; }
.hf { width: min(1240px, 100%); margin: 0 auto; padding: 44px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; align-items: center; background: linear-gradient(160deg, #181b13, #0e100b); box-shadow: inset 0 0 0 1px rgba(var(--neon-rgb), .16), 0 40px 90px -40px rgba(0, 0, 0, .7); color: var(--paper); box-shadow: none; }
.hf h2 { font-size: clamp(40px, 4.4vw, 72px); color: var(--paper); }
.hf h2 b { color: var(--neon); }
.hf .lede { color: rgba(247, 246, 244, .7); margin: 20px 0 28px; max-width: 480px; }
.hf .btn.metal { background: var(--neon); color: var(--ink); }
.hf-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 20px; }
.hf-points li { display: grid; gap: 4px; padding-left: 26px; position: relative; }
.hf-points li::before { content: ""; position: absolute; left: 0; top: 7px; width: 10px; height: 10px; border-radius: 50%; background: var(--neon); }
.hf-points b { font: 700 18px Mona; color: var(--paper); }
.hf-points span { color: rgba(247, 246, 244, .62); font-size: 15px; line-height: 1.5; }
.hf-note { text-align: center; margin-top: 14px; }
@media (max-width: 1080px) { .hf { grid-template-columns: 1fr; padding: 30px; gap: 30px; } }

/* ---------------------------------------------------------------- players */
.players { padding: 110px var(--pad) 40px; }
.pl-grid { width: min(1240px, 100%); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.pl { display: block; padding: 20px 20px 16px; text-decoration: none; color: var(--ink); transition: transform .25s, box-shadow .25s; }
.pl:hover { transform: translateY(-3px); box-shadow: inset 0 0 0 1px rgba(var(--fg-rgb), 0.17), 0 30px 60px -36px rgba(0, 0, 0, 0.72); }
.pl.human { background: var(--neon); }
.pl-top { display: flex; justify-content: space-between; align-items: center; }
.pl-top img { width: 40px; height: 40px; object-fit: contain; }
.pl-rank { font: 700 22px Mona; font-stretch: 88%; color: var(--dim); }
.pl.human .pl-rank { color: rgba(var(--fg-rgb), .5); }
.pl h3 { margin: 18px 0 2px; font: 800 26px/1.05 Mona; font-stretch: 88%; letter-spacing: -.02em; }
.pl-model { margin: 0; font-size: 13px; color: var(--dim); }
.pl.human .pl-model { color: rgba(var(--fg-rgb), .6); }
.pl-val { display: flex; align-items: baseline; gap: 10px; margin: 16px 0 6px; }
.pl-val b { font: 600 20px Mona; font-variant-numeric: tabular-nums; }
.pl-val i { font-style: normal; font: 500 14px Mona; font-variant-numeric: tabular-nums; }
.pl .spark { width: 100%; height: 34px; }
.pl-hold { display: flex; align-items: center; gap: 6px; margin-top: 10px; min-height: 24px; }
.pl-hold img { width: 22px; height: 22px; object-fit: contain; border-radius: 6px; }
.pl-go { margin-left: auto; font: 500 13px Mona; color: var(--mute); }
.pl-go::after { content: " →"; }

/* ---------------------------------------------------------------- humans vs AIs */
.hvs { padding: 90px var(--pad) 30px; }
/* the brand moment: a full Robin Neon card, black type, like Robinhood Chain's own neon */
.hvs-card { width: min(1240px, 100%); margin: 0 auto; padding: 48px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; align-items: center; background: var(--neon); color: var(--on-fg); box-shadow: 0 50px 120px -50px rgba(var(--neon-rgb), .45); }
.hvs-card h2 { font-size: clamp(44px, 5vw, 84px); color: var(--on-fg); }
.hvs-card h2 b { color: var(--on-fg); }
.hvs-card .lede { color: rgba(10, 11, 9, .72); margin: 22px 0 28px; max-width: 480px; }
.hvs-card .btn.metal { background: var(--on-fg); color: var(--neon); box-shadow: none; }
.hvs-card .btn.metal:hover { background: #1c1f17; }
.hvs-clock span { display: block; font: 400 13px Mona; color: rgba(10, 11, 9, .6); }
.hvs-clock b { font: 800 42px/1.1 Mona; font-stretch: 88%; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.hvs .tally { margin-top: 20px; }
.hvs .tally li { grid-template-columns: 150px 1fr 44px; }
.hvs .tl-who b, .hvs .tl-n { color: var(--on-fg); }
.hvs .tl-bar { background: rgba(10, 11, 9, .12); }
.hvs .tl-bar i { background: var(--on-fg); }
.hvs .tally li.empty { color: rgba(10, 11, 9, .62); }
.hvs .fine { color: rgba(10, 11, 9, .55); text-align: left; }

/* ---------------------------------------------------------------- token */
.tok { padding: 110px var(--pad) 60px; text-align: center; }
.tok .sec-h { justify-content: center; flex-direction: column; align-items: center; text-align: center; }
.tok h2 { font-size: clamp(48px, 6vw, 96px); }
.tok-flow { width: min(1240px, 100%); margin: 18px auto 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; text-align: left; }
@media (max-width: 1080px) { .tok-flow { grid-template-columns: repeat(2, 1fr); } }
.tok-flow .card { padding: 26px; }
.tok-flow .n { display: inline-block; font: 600 12px Mona; padding: 5px 10px; border-radius: 999px; background: var(--neon); }
.tok-flow h3 { margin: 16px 0 8px; font: 700 20px/1.2 Mona; letter-spacing: -.01em; }
.tok-flow p { margin: 0; color: var(--mute); font-size: 15px; line-height: 1.5; }

/* ---------------------------------------------------------------- answers */
.faq { padding: 90px var(--pad) 110px; }
.faq-list { width: min(860px, 100%); margin: 0 auto; }
.faq .sec-h { width: min(860px, 100%); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 0; font: 600 19px Mona; display: flex; justify-content: space-between; gap: 20px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: 300; font-size: 26px; line-height: .8; color: var(--dim); transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 22px; color: var(--mute); font-size: 16px; line-height: 1.6; max-width: 720px; }

/* ---------------------------------------------------------------- footer */
.foot.big { display: block; padding: 60px var(--pad) 40px; }
.foot-top { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.foot-mark { font: 800 clamp(64px, 12vw, 200px)/.8 Mona; font-stretch: 88%; letter-spacing: -.045em; color: var(--paper); text-transform: uppercase; }
.foot.big .foot-nav { margin: 0 0 12px; }
.foot.big .foot-nav a { color: rgba(241, 239, 237, .7); text-decoration: none; font: 500 15px Mona; }
.foot.big .foot-nav a:hover { color: var(--neon); }
.foot-line { margin: 28px 0 0; color: rgba(241, 239, 237, .45); font: 400 14px Mona; }

@media (max-width: 1080px) {
  .pl-grid { grid-template-columns: repeat(2, 1fr); }
  .why { grid-template-columns: 1fr; gap: 34px; padding-top: 90px; }
  .hvs-card { grid-template-columns: 1fr; padding: 30px; }
}
@media (max-width: 760px) {
  .h-hero { display: flex; flex-direction: column; padding-top: 92px; min-height: 0; }
  .h-copy { order: 1; }
  .h-stage { order: 2; }
  .h-copy { padding: 0 20px; text-align: center; margin: 0 auto; max-width: none; }
  .h-copy .lede { margin-inline: auto; }
  .h-copy .cta { justify-content: center; }
  .h-ranks { justify-content: center; }
  .h-stage { position: relative; width: 100%; height: 54vh; min-height: 400px; margin-top: 4px; }
  .h-chips span { font-size: 10px; padding: 3px 6px; }
  .read { height: 560vh; }
  .read-pin { grid-template-columns: 1fr; grid-template-rows: 60% 40%; padding-top: 68px; box-sizing: border-box; }
  .read-copy { padding: 0 22px; }
  .read-copy h2 { margin-bottom: 18px; font-size: 32px; }
  .read-steps p { font-size: 15px; }
  .tag em { font-size: 11.5px; padding: 5px 9px; }
  .tag i { width: 14px; }
  .pl-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .pl { padding: 14px; }
  .pl h3 { font-size: 21px; }
  .pl-val b { font-size: 16px; }
  .tok-flow { grid-template-columns: 1fr; }
  .vs { padding: 4px 14px; }
  .vs-row { grid-template-columns: 1fr 1fr; }
  .vs-row span { grid-column: 1 / -1; }
  .hvs .tally li { grid-template-columns: 110px 1fr 40px; }
}

.h-tools { width: min(1240px, 100%); margin: 16px auto 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.h-tool { display: flex; flex-direction: column; gap: 8px; padding: 18px 20px 20px; color: var(--ink); text-decoration: none; transition: transform .25s; }
.h-tool:hover { transform: translateY(-2px); }
.h-tool b { font: 650 16.5px Mona; letter-spacing: -.01em; }
.h-tool b::after { content: " →"; color: var(--mute); font-weight: 400; }
.h-tool span { color: var(--mute); font-size: 14px; line-height: 1.45; }
@media (max-width: 1000px) { .h-tools { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .h-tools { grid-template-columns: 1fr; } }

.tok-burned { margin: 14px auto 0; text-align: center; color: var(--mute); font-size: 15px; }
.tok-burned b { color: var(--ink); }
.tok-burned a { color: var(--ink); }
a.tp { color: inherit; text-decoration: none; } a.tp:hover b { text-decoration: underline; text-underline-offset: 3px; }

/* mobile hero: the chains come right after the buttons; the rank chips go under the stage */
@media (max-width: 760px) {
  .h-copy { display: contents; }
  .h-copy > .status { order: 1; align-self: center; }
  .h-copy > h1 { order: 2; padding: 0 20px; text-align: center; }
  .h-copy > .lede { order: 3; padding: 0 22px; text-align: center; font-size: 16px; }
  .h-copy > .cta { order: 4; display: flex; flex-wrap: nowrap; justify-content: center; gap: 8px; padding: 0 16px; margin-top: 18px; }
  .h-copy > .cta .btn { height: 48px; padding: 0 18px; font-size: 15px; white-space: nowrap; }
  .h-stage { order: 5; }
  .h-copy > .h-ranks { order: 6; justify-content: center; padding: 0 16px; margin-top: 6px; }
}
@media (max-width: 760px) { .h-stage { height: 47vh; min-height: 360px; } }

.h-free { display: inline-flex; align-items: center; gap: 10px; margin-top: 18px; font: 500 14.5px Mona; color: var(--ink); text-decoration: none; }
.h-free b { font: 650 12px Mona; letter-spacing: .02em; padding: 4px 9px; border-radius: 999px; background: var(--neon); }
.h-free:hover { text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 760px) { .h-copy > .h-free { order: 4; align-self: center; margin: 14px 16px 0; font-size: 13.5px; } }

.ca-buy { height: 40px; min-height: 0; padding: 0 18px; font-size: 14px; margin-left: 6px; }

.hvs-score { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(10, 11, 9, .14); }
.hvs-score > div span { display: block; font-size: 12.5px; color: rgba(10, 11, 9, .6); }
.hvs-score > div b { font: 800 34px/1.1 Mona; font-stretch: 90%; letter-spacing: -.02em; color: rgba(10, 11, 9, .4); font-variant-numeric: tabular-nums; }
.hvs-score > div.win b { color: var(--on-fg); }
.hvs-score i { font: 800 18px Mona; font-style: normal; color: rgba(10, 11, 9, .35); }
#statusNews { transition: opacity .22s; } #statusNews.swap { opacity: 0; }

.proof { padding: 40px var(--pad) 20px; }
.proof .sec-h { width: min(1240px, 100%); margin: 0 auto 18px; }
.proof-grid { width: min(1240px, 100%); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.pf { display: flex; flex-direction: column; gap: 8px; padding: 20px 22px; color: var(--ink); text-decoration: none; transition: transform .25s; }
.pf:hover { transform: translateY(-2px); }
.pf b { font: 700 19px Mona; font-stretch: 92%; letter-spacing: -.01em; }
.pf b::after { content: " →"; color: var(--mute); font-weight: 400; }
.pf span { color: var(--mute); font-size: 14px; line-height: 1.45; }
@media (max-width: 1000px) { .proof-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .proof-grid { grid-template-columns: 1fr; } }
.pl-grid > * { min-width: 0; } .pl-top, .pl-val { min-width: 0; } .pl h3, .pl .pl-model { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.launch-ping { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; margin-top: 14px; }
.launch-ping small { color: var(--mute); font-size: 13.5px; }