/* ==========================================================================
   Vellardo - home blocks: stage hero, ticker, aisles rail, dissolve strip,
   sizer, mosaic promos, ledger counters, service deck, beam CTA, track, Q&A
   ========================================================================== */

/* ---------- WebGL regions (canvas is created by JS; CSS is the fallback look) ---------- */
[data-gl] { position: relative; overflow: hidden; isolation: isolate; }
[data-gl] > canvas.gl { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
[data-gl="meta"] { background: radial-gradient(60% 50% at 30% 35%, color-mix(in srgb, var(--volt) 70%, transparent), transparent 70%), radial-gradient(50% 45% at 72% 70%, color-mix(in srgb, var(--volt-mid) 55%, transparent), transparent 70%), var(--graphite); }
[data-gl="meta"].gl-off { animation: drift 14s var(--ease-io) infinite alternate; background-size: 140% 140%; }
[data-gl="aurora"] { background: linear-gradient(180deg, #06120c, #0e3a22 55%, #1b6a3a 100%); }
[data-gl="aurora"].gl-off::before { content: ""; position: absolute; inset: -20% 0 0; background: repeating-linear-gradient(100deg, transparent 0 40px, color-mix(in srgb, var(--volt) 22%, transparent) 60px, transparent 90px); filter: blur(18px); animation: drift 12s linear infinite alternate; }
[data-gl="contour"] { background: repeating-radial-gradient(circle at 78% 20%, transparent 0 22px, color-mix(in srgb, var(--volt) 26%, transparent) 23px 24px), var(--ink); }
[data-gl="dissolve"] { background: linear-gradient(180deg, var(--from, var(--ink)) 0 49%, var(--to, var(--paper)) 51% 100%); }
@keyframes drift { to { background-position: 100% 60%; transform: scale(1.04); } }

/* ---------- stage: editorial hero ---------- */
.stage { position: relative; padding: calc(var(--pill-top) + var(--pill-h) + clamp(28px, 6vw, 72px)) 0 clamp(36px, 5vw, 72px); overflow: clip; }
.stage::before { content: ""; position: absolute; inset: 0; background: radial-gradient(70% 60% at 85% 10%, color-mix(in srgb, var(--volt) 12%, transparent), transparent 70%); pointer-events: none; }
.stage__grid { position: relative; display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(28px, 4vw, 56px); align-items: stretch; }
@media (min-width: 1000px) { .stage__grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); } }
.stage__copy { display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.stage__title { font-size: var(--t-4); line-height: .88; margin: 20px 0 22px; }
.stage__title em { color: var(--volt); }
.stage__sub { max-width: 52ch; }
.stage__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.stage__nums { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: clamp(28px, 5vw, 56px); border-top: 1px solid var(--line); }
.stage__nums > div { padding: 16px 12px 0 0; }
.stage__nums > div + div { padding-left: 16px; border-left: 1px solid var(--line); }
.big-num { display: block; font-family: var(--f-serif); font-size: clamp(2.4rem, 1.2rem + 4.6vw, 5.2rem); line-height: .95; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.stage__nums small { display: block; margin-top: 6px; font: 500 .68rem/1.4 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--dim); }
@media (max-width: 420px) { .stage__nums small { font-size: .62rem; } }
.stage__win { position: relative; width: 100%; min-height: 380px; aspect-ratio: 4 / 4.6; max-height: 760px; border-radius: var(--arch); border: 1px solid var(--line); box-shadow: 0 50px 100px -40px rgba(0, 0, 0, .8), inset 0 0 0 10px var(--ink); }
.stage__win-in { position: absolute; inset: 10px; border-radius: inherit; overflow: hidden; }
.stage__win-in[data-gl] { position: absolute; }
@media (max-width: 999px) { .stage__win { aspect-ratio: 4 / 3.2; min-height: 300px; border-radius: 200px 200px var(--r-l) var(--r-l); } }
.stage__coords { position: absolute; z-index: 2; top: 36%; right: 22px; writing-mode: vertical-rl; font: 500 .68rem var(--f-mono); letter-spacing: .14em; color: color-mix(in srgb, var(--chalk) 70%, transparent); text-transform: uppercase; pointer-events: none; }
.chip { position: absolute; z-index: 3; left: 18px; right: 18px; bottom: 18px; display: grid; grid-template-columns: 76px 1fr auto; gap: 14px; align-items: center; padding: 10px 16px 10px 10px; border-radius: 999px; background: color-mix(in srgb, var(--ink) 78%, transparent); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border: 1px solid var(--line); text-decoration: none; transition: transform .4s var(--ease), border-color .3s; }
.chip:hover { transform: translateY(-4px); border-color: var(--volt); }
.chip img { width: 76px; height: 57px; object-fit: cover; border-radius: 999px; }
.chip b { display: block; font-weight: 600; font-size: .9rem; line-height: 1.2; }
.chip span { font: 500 .68rem var(--f-mono); letter-spacing: .05em; color: var(--dim); text-transform: uppercase; }
.chip .price { color: var(--volt); font-size: 1rem; }
@media (max-width: 480px) { .chip { grid-template-columns: 60px 1fr; } .chip img { width: 60px; height: 45px; } .chip .price { display: none; } }

/* ---------- ticker (marquee) ---------- */
.ticker { overflow: hidden; border-block: 1px solid var(--line); padding-block: clamp(8px, 1.6vw, 16px); background: var(--ink); }
.ticker__row { display: flex; width: max-content; animation: tick 60s linear infinite; }
.ticker__row--rev { animation-direction: reverse; animation-duration: 72s; }
.ticker:hover .ticker__row { animation-play-state: paused; }
.ticker__row span { flex: none; padding-right: .5em; font-family: var(--f-serif); font-size: clamp(2.4rem, 1rem + 6vw, 5.6rem); line-height: 1.05; white-space: nowrap; letter-spacing: -.02em; }
.ticker__row .o { color: transparent; -webkit-text-stroke: 1.2px var(--chalk); font-style: italic; }
.ticker__row .v { color: var(--volt); }
@keyframes tick { to { transform: translateX(-50%); } }

/* ---------- aisles: horizontal scroll section ---------- */
.aisles { overflow: clip; }
.aisles__head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 20px 32px; margin-bottom: clamp(24px, 4vw, 48px); }
.aisles__head h2 { font-size: var(--t-3); max-width: 14ch; }
.aisles__ctl { display: flex; align-items: center; gap: 10px; }
.aisles__ctl .round-btn { border: 1.5px solid var(--line); width: 52px; height: 52px; }
.aisles__ctl .round-btn:hover { background: var(--volt); color: var(--ink); border-color: var(--volt); }
.aisles__ctl .round-btn[disabled] { opacity: .35; pointer-events: none; }
.aisles__track { display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; overscroll-behavior-x: contain; padding: 6px max(var(--gut), calc((100% - var(--max)) / 2)) 24px; scroll-padding-inline: max(var(--gut), calc((100% - var(--max)) / 2)); cursor: grab; }
.aisles__track::-webkit-scrollbar { display: none; }
.aisles__track.is-drag { cursor: grabbing; scroll-snap-type: none; }
.aisles__track.is-drag a { pointer-events: none; }
.aisle { flex: 0 0 min(76vw, 310px); scroll-snap-align: start; position: relative; display: flex; flex-direction: column; text-decoration: none; border-radius: 999px 999px var(--r-l) var(--r-l); background: var(--graphite); border: 1px solid var(--line); overflow: hidden; transition: transform .5s var(--ease), border-color .3s, background .3s; user-select: none; -webkit-user-drag: none; }
.aisle:hover, .aisle:focus-visible { transform: translateY(-8px); border-color: var(--volt); background: var(--slate); }
.aisle__img { aspect-ratio: 1 / 1; overflow: hidden; }
.aisle__img img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); transition: transform .9s var(--ease); -webkit-user-drag: none; }
.aisle:hover .aisle__img img { transform: scale(1.14) rotate(1.5deg); }
.aisle__body { padding: 18px 22px 24px; display: grid; gap: 8px; }
.aisle__n { font: 500 .72rem var(--f-mono); letter-spacing: .1em; color: var(--volt); }
.aisle__name { font-family: var(--f-serif); font-size: 2rem; line-height: 1; }
.aisle__text { font-size: .9rem; color: var(--dim); line-height: 1.45; }
.aisle__more { display: inline-flex; align-items: center; gap: 8px; margin-top: 6px; font-weight: 600; font-size: .85rem; color: var(--volt); }
.aisle__more .icon { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.aisle:hover .aisle__more .icon { transform: translateX(6px); }
.aisles__bar { height: 2px; margin-top: 8px; background: var(--line); }
.aisles__bar i { display: block; height: 100%; width: calc(var(--vis, .4) * 100%); background: var(--volt); transform: translateX(calc(var(--p, 0) * (1 / var(--vis, .4) - 1) * 100%)); transform-origin: 0 50%; }

/* ---------- dissolve strip (shader transition between sections) ---------- */
.strip { height: clamp(110px, 15vw, 200px); display: block; }
.strip[data-gl] { --from: var(--ink); --to: var(--paper); }
.strip--to-ink { --from: var(--paper); --to: var(--ink); }
.strip--p2i[data-gl] { --from: var(--paper-2); --to: var(--ink); }

/* ---------- sizer ---------- */
.sizer-wrap { display: grid; gap: clamp(28px, 5vw, 72px); }
@media (min-width: 1000px) { .sizer-wrap { grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); align-items: start; } .sizer-intro { position: sticky; top: 110px; } }
.sizer-intro h2 { font-size: var(--t-3); margin: 16px 0 20px; }
.sizer-intro .lead { color: var(--muted); }
.sizer { background: var(--ink); color: var(--chalk); --dim: var(--dim); border-radius: var(--r-l); padding: clamp(18px, 3vw, 40px); box-shadow: 0 50px 80px -50px rgba(5, 20, 10, .7); }
.sizer__opts { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.sizer fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.sizer legend { font: 500 .72rem var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--dim); padding: 0; margin-bottom: 8px; }
.sizer__loads { margin-top: 24px; display: grid; gap: 8px; }
.load { display: grid; grid-template-columns: 1fr auto auto; gap: 8px 14px; align-items: center; padding: 10px 12px 10px 18px; border-radius: 999px; background: var(--graphite); border: 1.5px solid transparent; transition: border-color .25s, background .25s; }
.load.is-on { border-color: color-mix(in srgb, var(--volt) 60%, transparent); background: var(--slate); }
.load__name b { display: block; font-weight: 500; font-size: .95rem; line-height: 1.25; }
.load__name small { font: 500 .68rem var(--f-mono); letter-spacing: .04em; color: var(--dim); }
.load .qty { background: color-mix(in srgb, var(--chalk) 10%, transparent); }
.load__h { display: inline-flex; align-items: center; gap: 6px; font: 500 .72rem var(--f-mono); color: var(--dim); }
.load__h input { width: 64px; min-height: 44px; border-radius: 999px; border: 1.5px solid var(--line); background: var(--ink); text-align: center; font: 500 .95rem var(--f-mono); color: var(--chalk); -moz-appearance: textfield; appearance: textfield; }
.load__h input::-webkit-outer-spin-button, .load__h input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.load__h input:focus { outline: none; border-color: var(--volt); }
.load__h input[aria-invalid="true"] { border-color: var(--err); }
@media (max-width: 560px) { .load { grid-template-columns: 1fr auto; border-radius: var(--r-l); } .load__name { grid-column: 1 / -1; } }
.sizer__msg { min-height: 1.4em; margin-top: 16px; font-size: .92rem; color: var(--err); }
.sizer__msg.is-info { color: var(--dim); }
.sizer__out { margin-top: 8px; display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 640px) { .sizer__out { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.res { padding: 16px 16px 14px; border-radius: var(--r-m); background: var(--volt); color: var(--ink); min-width: 0; }
.res:nth-child(2) { background: var(--chalk); } .res:nth-child(3) { background: var(--volt-mid); } .res:nth-child(4) { background: var(--paper-2); }
.res small { display: block; font: 600 .66rem/1.3 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; opacity: .8; }
.res b { display: block; font: 400 clamp(1.7rem, 1rem + 2vw, 2.6rem)/1.05 var(--f-serif); margin: 6px 0 2px; font-variant-numeric: tabular-nums; }
.res span { font-size: .78rem; line-height: 1.35; display: block; }
.sizer__links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

/* ---------- picks ---------- */
.picks__head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 18px 32px; margin-bottom: clamp(28px, 4vw, 52px); }
.picks__head h2 { font-size: var(--t-3); max-width: 15ch; }

/* ---------- mosaic: promo tiles ---------- */
.mosaic { display: grid; gap: 14px; grid-template-columns: repeat(12, minmax(0, 1fr)); }
.mo { position: relative; border-radius: var(--r-xl); padding: clamp(22px, 3vw, 40px); overflow: hidden; isolation: isolate; min-width: 0; }
.mo h3 { font-size: clamp(2rem, 1.2rem + 2.6vw, 3.6rem); line-height: .95; }
.mo p { margin-top: 12px; max-width: 38ch; }
.mo--a { grid-column: 1 / 8; grid-row: 1 / 3; background: var(--volt); color: var(--ink); min-height: 460px; display: flex; flex-direction: column; justify-content: flex-end; }
.mo--a h3 { font-size: clamp(2.6rem, 1.2rem + 4.6vw, 5.4rem); max-width: 9ch; }
/* orb: rotating text ring around a floating photo */
.mo__orb { position: absolute; z-index: -1; top: 16px; right: 16px; width: min(52%, 290px); aspect-ratio: 1; }
.mo__orb .ring { position: absolute; inset: 0; width: 100%; height: 100%; }
.mo--a .ring text { font: 600 12px var(--f-mono); fill: var(--ink); text-transform: uppercase; }
/* photo */
.mo--a img.float { position: absolute; inset: 21%; width: 58%; height: 58%; object-fit: cover; border-radius: 50%; border: 5px solid var(--ink); animation: float 7s var(--ease-io) infinite alternate; }
.mo--b { grid-column: 8 / 13; background: var(--paper); color: #0C130E; border-radius: 999px 999px var(--r-xl) var(--r-xl); text-align: center; padding-top: clamp(40px, 6vw, 80px); }
.mo--b p { margin-inline: auto; }
.mo--b .outlets { display: flex; justify-content: center; gap: 12px; margin-top: 22px; }
.mo--b .outlet { width: 56px; height: 72px; border-radius: 14px; background: #0C130E; position: relative; }
.mo--b .outlet::before, .mo--b .outlet::after { content: ""; position: absolute; top: 18px; width: 6px; height: 18px; border-radius: 2px; background: var(--volt); }
.mo--b .outlet::before { left: 16px; } .mo--b .outlet::after { right: 16px; }
.mo--b .outlet i { position: absolute; left: 50%; bottom: 12px; width: 10px; height: 10px; margin-left: -5px; border-radius: 50%; background: var(--volt); }
.mo--b .outlet:nth-child(2) { animation: nudge 3.2s var(--ease-io) infinite; }
.mo--c { grid-column: 8 / 13; background: var(--slate); border: 1px solid var(--line); }
.mo--c .road { position: absolute; left: 0; right: 0; bottom: 22px; height: 2px; background: repeating-linear-gradient(90deg, var(--volt) 0 22px, transparent 22px 44px); animation: road 1.2s linear infinite; z-index: -1; }
.mo--c .van { position: absolute; right: 24px; bottom: 34px; width: 76px; color: var(--volt); animation: van 3.4s var(--ease-io) infinite alternate; z-index: -1; }
.mo--d { grid-column: 1 / 13; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px 32px; background: var(--deep); color: var(--chalk); border-radius: 999px; padding: clamp(22px, 3vw, 34px) clamp(26px, 4vw, 60px); }
.mo--d::before { content: ""; position: absolute; inset: 0; z-index: -1; background: repeating-linear-gradient(-45deg, rgba(0, 0, 0, .12) 0 14px, transparent 14px 28px); background-size: 40px 40px; animation: stripes 2.6s linear infinite; }
.mo--d h3 { font-size: clamp(1.8rem, 1rem + 2vw, 2.8rem); }
.mo--d p { margin: 6px 0 0; max-width: 56ch; color: color-mix(in srgb, var(--chalk) 88%, transparent); }
@media (max-width: 899px) {
  .mo--a, .mo--b, .mo--c, .mo--d { grid-column: 1 / -1; grid-row: auto; }
  .mo--a { min-height: 420px; }
  .mo--d { border-radius: var(--r-xl); }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes float { to { transform: translateY(-14px) rotate(-4deg); } }
@keyframes nudge { 0%, 60%, 100% { transform: translateY(0); } 78% { transform: translateY(-8px); } }
@keyframes road { to { background-position: -44px 0; } }
@keyframes van { to { transform: translateX(-28px); } }
@keyframes stripes { to { background-position: 40px 0; } }

/* ---------- ledger: counter banner ---------- */
.ledger { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 900px) { .ledger { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.ledger > div { padding: clamp(18px, 3vw, 36px) clamp(12px, 2vw, 28px); border-left: 1px solid rgba(12, 19, 14, .25); }
.ledger > div:nth-child(odd) { border-left: 0; }
@media (min-width: 900px) { .ledger > div:nth-child(odd) { border-left: 1px solid rgba(12, 19, 14, .25); } .ledger > div:first-child { border-left: 0; } }
@media (max-width: 899px) { .ledger > div:nth-child(n+3) { border-top: 1px solid rgba(12, 19, 14, .25); } }
.ledger .big-num { font-size: clamp(3.2rem, 1rem + 7vw, 8rem); }
.ledger p { font: 500 .74rem/1.45 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-top: 10px; max-width: 24ch; }

/* ---------- deck: sticky stacked service cards ---------- */
.deck { display: grid; gap: 0; }
.deck__card { --n: 0; position: sticky; top: calc(var(--pill-top) + var(--pill-h) + 14px + var(--n) * 16px); margin-bottom: 22px; display: grid; gap: 18px 40px; padding: clamp(24px, 4vw, 52px); border-radius: var(--r-xl); min-height: 380px; overflow: hidden; box-shadow: 0 -20px 50px -30px rgba(0, 0, 0, .6); background: var(--bg, var(--slate)); color: var(--fg, var(--chalk)); }
@media (min-width: 900px) { .deck__card { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); align-items: end; } }
.deck__card:nth-child(1) { --n: 0; --bg: var(--volt); --fg: var(--ink); }
.deck__card:nth-child(2) { --n: 1; --bg: var(--paper); --fg: #0C130E; }
.deck__card:nth-child(3) { --n: 2; --bg: var(--deep); --fg: var(--chalk); }
.deck__card:nth-child(4) { --n: 3; --bg: var(--slate); --fg: var(--chalk); box-shadow: inset 0 0 0 1.5px var(--volt), 0 -20px 50px -30px rgba(0, 0, 0, .6); }
.deck__no { font-family: var(--f-serif); font-size: clamp(5rem, 2rem + 12vw, 13rem); line-height: .8; letter-spacing: -.05em; color: transparent; -webkit-text-stroke: 1.5px var(--fg); }
.deck__title { font-size: clamp(2rem, 1.2rem + 2.4vw, 3.4rem); line-height: 1; margin-top: 12px; }
.deck__text { max-width: 46ch; opacity: .92; }
.deck__feat { margin: 16px 0 20px; display: grid; gap: 6px; font-size: .92rem; }
.deck__feat li { display: flex; gap: 10px; align-items: flex-start; }
.deck__feat .icon { width: 18px; height: 18px; margin-top: 3px; }
.deck__row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; }
.tagprice { font: 600 .8rem var(--f-mono); letter-spacing: .04em; padding: 8px 16px; border-radius: 999px; background: color-mix(in srgb, currentColor 14%, transparent); }
.deck__card .btn { --bg: var(--fg); --fg: var(--bg-c, var(--ink)); }
.deck__card:nth-child(1) .btn { --bg: var(--ink); --fg: var(--volt); }
.deck__card:nth-child(2) .btn { --bg: var(--ink); --fg: var(--chalk); }
.deck__card:nth-child(3) .btn { --bg: var(--volt); --fg: var(--ink); }
.deck__card:nth-child(4) .btn { --bg: var(--volt); --fg: var(--ink); }
@media (max-width: 899px) { .deck__card { min-height: 0; top: calc(var(--pill-top) + var(--pill-h) + 10px + var(--n) * 10px); } }
@media (max-height: 640px) { .deck__card { position: relative; top: 0; } }

/* ---------- beam: diagonal CTA with aurora ---------- */
.beam { position: relative; color: var(--chalk); padding-block: clamp(120px, 16vw, 230px); clip-path: polygon(0 clamp(36px, 6vw, 90px), 100% 0, 100% calc(100% - clamp(36px, 6vw, 90px)), 0 100%); }
.beam > [data-gl] { position: absolute; inset: 0; z-index: -1; }
.beam__in { text-align: center; max-width: 880px; margin-inline: auto; }
.beam__in h2 { font-size: var(--t-3); line-height: .98; }
.beam__in p { margin: 18px auto 30px; max-width: 54ch; color: color-mix(in srgb, var(--chalk) 86%, transparent); }
.beam__in .btn + .btn { margin-left: 8px; }

/* ---------- track: process ---------- */
.track { display: grid; gap: 0; counter-reset: st; position: relative; }
.step { position: relative; padding: 0 0 36px 64px; counter-increment: st; }
.step::before { content: counter(st); position: absolute; left: 0; top: 0; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font: 500 .9rem var(--f-mono); border: 1.5px solid var(--line); background: var(--ink); color: var(--dim); transition: background .5s var(--ease), color .5s, border-color .5s, transform .5s var(--ease); z-index: 1; }
.step::after { content: ""; position: absolute; left: 21.5px; top: 44px; bottom: 0; width: 1px; background: var(--line); }
.step:last-child::after { display: none; }
.step.is-in::before { background: var(--volt); color: var(--ink); border-color: var(--volt); transform: scale(1.08); }
.step h3 { font-size: 1.9rem; margin-bottom: 6px; }
.step p { color: var(--dim); max-width: 44ch; }
@media (min-width: 900px) {
  .track { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; }
  .step { padding: 76px 0 0; }
  .step::before { top: 0; }
  .step::after { left: 44px; top: 21px; bottom: auto; width: calc(100% - 16px); height: 1px; margin-left: 12px; }
}

/* ---------- Q&A ---------- */
.qa { display: grid; gap: clamp(28px, 5vw, 72px); }
@media (min-width: 1000px) { .qa { grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); } .qa__intro { position: sticky; top: 110px; align-self: start; } }
.qa__intro h2 { font-size: var(--t-3); margin: 16px 0 18px; }
.qa details { border-top: 1px solid var(--line); }
.qa details:last-child { border-bottom: 1px solid var(--line); }
.qa summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 64px; padding: 14px 0; font-family: var(--f-serif); font-size: clamp(1.3rem, 1rem + 1vw, 1.9rem); line-height: 1.15; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary i { flex: none; width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid var(--line); position: relative; transition: background .3s, transform .5s var(--ease), border-color .3s; }
.qa summary i::before, .qa summary i::after { content: ""; position: absolute; left: 50%; top: 50%; width: 14px; height: 1.5px; margin: -.75px 0 0 -7px; background: currentColor; transition: transform .4s var(--ease); }
.qa summary i::after { transform: rotate(90deg); }
.qa summary:hover i { border-color: var(--volt); }
.qa details[open] summary i { background: var(--volt); color: var(--ink); border-color: var(--volt); transform: rotate(180deg); }
.qa details[open] summary i::after { transform: rotate(0); }
.qa__a { padding: 0 60px 24px 0; color: var(--dim); max-width: 62ch; animation: qa-in .5s var(--ease); }
@keyframes qa-in { from { opacity: 0; transform: translateY(-8px); } }
.paper .qa details, .paper .qa summary i { border-color: rgba(12, 19, 14, .25); }