/* header and footer rules, lifted from build_pages.py HEAD_CSS */
.header-inner{gap:40px}.desktop-nav{gap:30px}.nav-contact{gap:20px;white-space:nowrap}.desktop-nav a[aria-current],.mobile-nav a[aria-current]{color:var(--paper)}.mobile-nav .nav-cta{display:flex;align-items:center;gap:12px;margin-top:8px;border:1px solid var(--steel);padding:14px 18px}@media(max-width:1240px){.desktop-nav{display:none}.nav-contact{margin-left:auto}.menu-toggle{display:flex;align-items:center;gap:14px;padding:12px 0;background:none;border:0;color:var(--sand);font-size:.875rem}}@media(max-width:760px){.nav-contact{display:none}.menu-toggle{margin-left:auto}}.footer-links{display:flex;flex-wrap:wrap;gap:0 32px;width:100%;order:1}.footer-links a{padding:10px 0}.footer-links a:hover{color:var(--sand)}.copyright{order:2}@media(max-width:760px){.footer-links{gap:0 24px}}
/* the Edit this page button, shown to a signed-in editor on every page */
.edit-fab{position:fixed;right:20px;bottom:20px;z-index:40;padding:12px 18px;background:var(--obsidian);color:var(--sand);border:1px solid var(--steel);font-size:.875rem}
.edit-fab:hover{background:var(--graphite)}

/* Home page v2 (YAN-125, private prototype). Brand v2: Obsidian ground, Paper for the light act, Sand text,
   Steel muted, Gold only as lines, Signal only for "live". Sora display, Inter body. Every class is hv-. */
:root {
  --hv-obsidian: #0B0E14; --hv-graphite: #141922; --hv-stone: #1F242B; --hv-steel: #8A929E; --hv-sand: #E6E1D9;
  --hv-paper: #F4F1EA; --hv-gold: #C8A24A; --hv-gold-deep: #A5822F; --hv-signal: #3E9CA8; --hv-ink-soft: #4A4F57;
  --hv-display: Sora, "Helvetica Neue", Arial, sans-serif;
  --hv-body: Inter, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --hv-mono: "IBM Plex Mono", "SF Mono", Menlo, monospace;
  --hv-out: cubic-bezier(0.16, 1, 0.3, 1);
  --hv-soft: cubic-bezier(0.23, 1, 0.32, 1);
  --hv-state: cubic-bezier(0.65, 0, 0.25, 1);
  --hv-sheet: cubic-bezier(0.32, 0.72, 0, 1);
  --hv-side: clamp(1.5rem, 5vw, 5rem);
}
html { scroll-behavior: smooth; }
body { background: var(--hv-obsidian); }

.hv-section, .hv-section-bare { position: relative; }
.hv-section { padding: clamp(6rem, 18vh, 12rem) var(--hv-side); }
.hv-dark { background: var(--hv-obsidian); color: var(--hv-sand); }
.hv-paper { background: var(--hv-paper); color: var(--hv-obsidian); }
.hv-display { font-family: var(--hv-display); font-weight: 200; letter-spacing: -0.035em; line-height: 1.02; margin: 0; }
.hv-section p { margin: 0; }
.hv-eyebrow-row { display: flex; align-items: center; gap: 14px; margin-bottom: 2.2rem; }
.hv-hair { display: block; width: 36px; height: 1px; background: var(--hv-gold); }
.hv-paper .hv-hair { background: var(--hv-gold-deep); }
.hv-eyebrow { font: 400 0.75rem/1 var(--hv-mono); letter-spacing: 0.22em; text-transform: uppercase; color: var(--hv-steel); }
.hv-paper .hv-eyebrow { color: var(--hv-ink-soft); }

/* buttons and links */
.hv-cta { display: inline-flex; align-items: center; gap: 0.8rem; padding: 1.05rem 1.6rem 1.05rem 1.8rem; border-radius: 999px;
  background: var(--hv-sand); color: var(--hv-obsidian); text-decoration: none; font: 400 1rem/1 var(--hv-display); letter-spacing: 0.005em;
  box-shadow: 0 18px 40px -24px rgba(0, 0, 0, 0.6); transition: transform 0.5s var(--hv-out), background 0.35s var(--hv-soft), box-shadow 0.5s var(--hv-out); }
.hv-cta:hover { transform: translateY(-2px); background: #fff; box-shadow: 0 26px 50px -24px rgba(0, 0, 0, 0.7); }
.hv-cta .hv-arrow { transition: transform 0.5s var(--hv-out); }
.hv-cta:hover .hv-arrow { transform: translateX(4px); }
.hv-text-link { color: var(--hv-sand); text-decoration: none; font: 300 1rem var(--hv-display); padding-bottom: 4px;
  background: linear-gradient(var(--hv-gold), var(--hv-gold)) left bottom / 0% 1px no-repeat; transition: background-size 0.6s var(--hv-out); }
.hv-text-link:hover { background-size: 100% 1px; }

/* top bar */
.hv-bar { position: fixed; inset: 0 0 auto 0; z-index: 50; display: flex; justify-content: space-between; align-items: center;
  padding: 1.5rem var(--hv-side); transition: transform 0.42s var(--hv-sheet), background 0.42s var(--hv-sheet), padding 0.42s var(--hv-sheet); }
.hv-bar-solid { background: rgba(11, 14, 20, 0.72); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); padding-block: 1rem; }
.hv-bar-hidden { transform: translateY(-110%); }
.hv-brand img { display: block; height: 12px; width: auto; }
.hv-bar-cta { display: inline-flex; align-items: center; gap: 0.55rem; color: var(--hv-sand); text-decoration: none; font: 300 0.95rem var(--hv-display);
  padding: 0.6rem 0 0.45rem; border-bottom: 1px solid var(--hv-gold); }
.hv-bar-cta .hv-arrow { transition: transform 0.5s var(--hv-out); }
.hv-bar-cta:hover .hv-arrow { transform: translateX(3px); }

/* hero */
.hv-hero { min-height: 100svh; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); align-items: center; gap: 2rem;
  padding-top: 8rem; padding-bottom: 6rem; overflow: hidden; }
.hv-hero-title { font-size: clamp(3.4rem, 8.2vw, 8.6rem); max-width: 9ch; }
.hv-word { display: inline-block; margin-right: 0.22em; }
.hv-hero-sub { margin-top: 2.4rem !important; max-width: 27rem; font: 300 clamp(1.05rem, 1.35vw, 1.25rem)/1.6 var(--hv-body); color: var(--hv-steel); text-wrap: pretty; }
.hv-hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.6rem 2.2rem; margin-top: 2.8rem; }
.hv-hero-object { position: relative; justify-self: center; width: min(40vw, 560px); aspect-ratio: 1; }
.hv-hero-object::before { content: ""; position: absolute; inset: 12% 12%; border-radius: 50%; border: 1px solid rgba(200, 162, 74, 0.28);
  transform: rotate(-18deg) scaleY(0.36); }
.hv-hero-object img { position: relative; width: 100%; height: auto; display: block;
  transform: translateY(calc(var(--hp, 0) * -70px)) scale(calc(1 - var(--hp, 0) * 0.06)); opacity: calc(1 - var(--hp, 0) * 0.7); }
.hv-scroll-cue { position: absolute; left: 50%; bottom: 2.2rem; width: 1px; height: 46px; background: rgba(230, 225, 217, 0.18); overflow: hidden; }
.hv-scroll-cue span { position: absolute; inset: 0; background: var(--hv-gold); transform-origin: top; }
.hv-edge-blur { position: fixed; inset: auto 0 0 0; height: 110px; z-index: 40; pointer-events: none; opacity: 0; transition: opacity 0.6s var(--hv-soft);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  -webkit-mask-image: linear-gradient(to top, #000 0%, rgba(0, 0, 0, 0.6) 40%, transparent 100%); mask-image: linear-gradient(to top, #000 0%, rgba(0, 0, 0, 0.6) 40%, transparent 100%); }

html[data-hv-scrolled] .hv-edge-blur { opacity: 1; }
html[data-hv-light] .hv-edge-blur { opacity: 0; }

/* statement */
.hv-statement { min-height: 100svh; display: flex; flex-direction: column; justify-content: center; }
.hv-statement-col { margin-left: auto; width: min(100%, 58rem); }
.hv-statement-text { font-size: clamp(2rem, 4.2vw, 4.4rem); line-height: 1.12; max-width: 20ch; font-weight: 200; }
.hv-statement-coda { margin-top: 4rem; width: min(100%, 36rem); }
.hv-statement-coda p { font: 300 clamp(1.15rem, 1.6vw, 1.45rem)/1.5 var(--hv-display); color: var(--hv-sand); border-top: 1px solid var(--hv-gold); padding-top: 1.4rem; }
.hv-read p { margin: 0; }
.hv-read span, .hv-read-inline span { opacity: clamp(0.22, calc((var(--read, 1) * 1.25 - var(--k)) * 8 + 0.22), 1); transition: opacity 0.2s linear; }

/* chapters: the pinned scene */
.hv-chapters-wrap { padding: 0; }
.hv-chapters { position: relative; }
.hv-chapters-stage { position: sticky; top: 0; height: 100svh; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center; gap: clamp(2rem, 6vw, 7rem); padding: 6rem var(--hv-side) 4rem; overflow: hidden; }
.hv-chapters-text { display: flex; flex-direction: column; gap: 1.6rem; align-self: start; margin-top: max(4rem, 14vh); }
.hv-before { height: 4.6rem; justify-content: flex-end; overflow: hidden; }
.hv-chapter-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.3rem; min-height: 1.6rem; }
.hv-chapter-list button { background: none; border: 0; padding: 0.15rem 0; cursor: pointer; color: var(--hv-steel); opacity: 0.55;
  font: 300 0.95rem var(--hv-display); transition: opacity 0.35s var(--hv-soft), color 0.35s var(--hv-soft); }
.hv-chapter-list button:hover { opacity: 1; color: var(--hv-sand); }
.hv-before::before, .hv-next::before { font: 400 0.68rem/1 var(--hv-mono); letter-spacing: 0.22em; text-transform: uppercase; color: var(--hv-steel); opacity: 0.6; margin-bottom: 0.5rem; }
.hv-before:not(:empty)::before { content: "Before"; }
.hv-next:not(:empty)::before { content: "Next"; }
.hv-chapter-title { font-size: clamp(2.6rem, 5.4vw, 5.6rem); line-height: 1.04; overflow: hidden; padding-bottom: 0.08em; }
.hv-roll-word { display: inline-block; white-space: nowrap; }
.hv-roll { display: inline-block; animation: hv-roll 0.7s var(--hv-out) both; animation-delay: calc(var(--j) * 16ms); }
@keyframes hv-roll { from { transform: translateY(100%); opacity: 0; filter: blur(6px); } }
.hv-chapter-body { max-width: 30rem; font: 300 clamp(1.05rem, 1.3vw, 1.2rem)/1.65 var(--hv-body); color: var(--hv-sand); }
.hv-chapters-visual { position: relative; height: min(64vh, 560px); }
.hv-visual-frame { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; gap: 1.2rem;
  opacity: 0; filter: blur(16px); transform: scale(0.98); transition: opacity 0.7s var(--hv-state), filter 0.7s var(--hv-state), transform 0.9s var(--hv-out); }
.hv-visual-frame.is-on { opacity: 1; filter: none; transform: none; }
.hv-visual-note { width: min(100%, 470px); margin-inline: auto; font: 400 0.72rem/1.4 var(--hv-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--hv-steel); }
.hv-chapter-count { position: absolute; right: var(--hv-side); bottom: 2.2rem; font: 400 0.75rem var(--hv-mono); letter-spacing: 0.2em; color: var(--hv-steel); }
.hv-chapters .hv-step { opacity: clamp(0, calc((var(--local, 1) * 8 - var(--s)) * 1.6), 1);
  transform: translateY(calc((1 - clamp(0, calc((var(--local, 1) * 8 - var(--s)) * 1.6), 1)) * 14px)); }
.hv-chapters-stack .hv-chapter-static { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; padding: 6rem var(--hv-side); }
.hv-chapters-stack .hv-visual-frame { position: relative; opacity: 1; filter: none; transform: none; }

/* illustrative product screens */
.hv-ui { position: relative; width: min(100%, 470px); margin-inline: auto; font-family: var(--hv-body); }
.hv-ui-label { font: 400 0.68rem/1.3 var(--hv-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--hv-steel); }
.hv-ui-time { font: 400 0.72rem var(--hv-mono); color: var(--hv-steel); }
.hv-thread { background: var(--hv-graphite); border: 1px solid var(--hv-stone); border-radius: 22px; padding: 1.4rem; display: flex; flex-direction: column; gap: 0.9rem;
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.04); }
.hv-thread-head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 0.9rem; border-bottom: 1px solid var(--hv-stone); }
.hv-msg { max-width: 86%; padding: 0.85rem 1.05rem; border-radius: 16px; font-size: 0.95rem; line-height: 1.5; }
.hv-msg-you { align-self: flex-end; background: var(--hv-sand); color: var(--hv-obsidian); border-bottom-right-radius: 5px; }
.hv-msg-it { align-self: flex-start; background: var(--hv-stone); color: var(--hv-sand); border-bottom-left-radius: 5px; }
.hv-task { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-top: 0.4rem; padding: 1rem 1.1rem;
  border: 1px solid var(--hv-stone); border-left: 1px solid var(--hv-gold); border-radius: 14px; background: #10141b; }
.hv-task-title { color: var(--hv-sand); font-size: 0.92rem; margin-top: 0.35rem !important; }
.hv-live { display: inline-flex; align-items: center; gap: 0.5rem; font: 400 0.75rem var(--hv-mono); color: var(--hv-signal); white-space: nowrap; }
.hv-live i { width: 7px; height: 7px; border-radius: 50%; background: var(--hv-signal); box-shadow: 0 0 0 0 rgba(62, 156, 168, 0.6); animation: hv-pulse 2.4s infinite; }
@keyframes hv-pulse { 70% { box-shadow: 0 0 0 9px rgba(62, 156, 168, 0); } 100% { box-shadow: 0 0 0 0 rgba(62, 156, 168, 0); } }
.hv-choices { display: flex; gap: 0.6rem; justify-content: flex-start; }
.hv-choice { font: 300 0.88rem var(--hv-display); padding: 0.55rem 1rem; border-radius: 999px; border: 1px solid var(--hv-stone); color: var(--hv-steel); }
.hv-choice.is-picked { border-color: var(--hv-gold); color: var(--hv-sand); }
.hv-windows { height: 380px; width: min(118%, 560px); margin-right: -12%; margin-bottom: 3rem; }
.hv-visual-frame:has(.hv-mirror-big) .hv-ui { transform: scale(1.06); }
.hv-window { position: absolute; width: 74%; left: calc(var(--w) * 6%); top: calc(var(--w) * 13%); background: var(--hv-graphite); border: 1px solid var(--hv-stone);
  border-radius: 12px; overflow: hidden; box-shadow: 0 -14px 40px -18px rgba(0, 0, 0, 0.85); }
.hv-window > * { opacity: calc(0.4 + var(--w) * 0.14); }
.hv-window-bar { display: flex; align-items: center; gap: 6px; padding: 0.55rem 0.8rem; border-bottom: 1px solid var(--hv-stone); }
.hv-window-bar i { width: 7px; height: 7px; border-radius: 50%; background: var(--hv-stone); }
.hv-window-bar span { margin-left: 0.6rem; font: 400 0.7rem var(--hv-mono); color: var(--hv-steel); letter-spacing: 0.08em; }
.hv-window-body { padding: 0.8rem 0.9rem 0.9rem; display: grid; gap: 0.25rem; font-size: 0.82rem; color: var(--hv-sand); }
.hv-window-body p { margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hv-window-meta { font: 400 0.68rem var(--hv-mono); color: var(--hv-steel); }
.hv-ai-card { position: absolute; right: 4%; bottom: -2%; width: 62%; padding: 1.1rem 1.2rem; border-radius: 14px; background: #10141b; border: 1px solid var(--hv-stone);
  box-shadow: 0 40px 60px -30px rgba(0, 0, 0, 0.9); }
.hv-ui-text { color: var(--hv-sand); font-size: 0.9rem; line-height: 1.5; margin-top: 0.5rem !important; }
.hv-ui-wait { margin-top: 0.8rem !important; font: 400 0.7rem var(--hv-mono); color: var(--hv-steel); letter-spacing: 0.12em; text-transform: uppercase; }
.hv-ui-wait::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; border: 1px solid var(--hv-steel); margin-right: 0.5rem; vertical-align: 1px; }

/* refrain screens */
.hv-refrain { position: relative; height: 140vh; background: var(--hv-obsidian); }
.hv-refrain-stage { position: sticky; top: 0; height: 100svh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  padding: 0 var(--hv-side); color: var(--hv-sand); }
.hv-refrain-opens, .hv-refrain-opens .hv-refrain-stage {
  background: color-mix(in srgb, var(--hv-paper) calc(var(--t, 1) * 100%), var(--hv-obsidian));
  color: color-mix(in srgb, var(--hv-obsidian) calc(var(--ink, 1) * 100%), var(--hv-sand)); }
.hv-refrain-opens .hv-refrain-stage > * { opacity: var(--fade, 1); }
.hv-refrain-line { width: min(220px, 40vw); height: 1px; background: var(--hv-gold); transform: scaleX(var(--line, 1)); transform-origin: left; margin-bottom: 2.4rem; }
.hv-refrain-opens .hv-refrain-line { background: color-mix(in srgb, var(--hv-gold-deep) calc(var(--t, 1) * 100%), var(--hv-gold)); }
.hv-refrain-text { font-size: clamp(2.4rem, 6.4vw, 6.6rem); max-width: 16ch; text-wrap: balance; }
.hv-refrain-under { margin-top: 2rem !important; font: 300 clamp(1rem, 1.3vw, 1.2rem)/1.6 var(--hv-body); max-width: 30rem; opacity: 0.75; }

.hv-refrain-photo { height: 170vh; }
.hv-refrain-photo .hv-refrain-stage { align-items: flex-start; justify-content: flex-end; text-align: left; padding: 0; overflow: hidden; }
.hv-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(calc(1.1 - var(--zoom, 1) * 0.1)); }
.hv-refrain-photo .hv-refrain-stage::after { content: ""; position: absolute; inset: 0; background: linear-gradient(20deg, rgba(11, 14, 20, 0.82) 0%, rgba(11, 14, 20, 0.35) 45%, rgba(11, 14, 20, 0) 75%); }
.hv-photo-copy { position: relative; z-index: 1; padding: 0 var(--hv-side) clamp(3rem, 10vh, 6rem); max-width: 54rem; }
.hv-photo-line { font-size: clamp(2.2rem, 5vw, 5rem); line-height: 1.06; color: var(--hv-sand); }
.hv-photo-under { margin-top: 1.4rem !important; font: 300 clamp(1rem, 1.3vw, 1.2rem)/1.6 var(--hv-body); color: var(--hv-sand); opacity: 0.8; max-width: 30rem; }
.hv-refrain-photo .hv-refrain-line { display: block; margin-bottom: 2rem; }

/* paper act */
.hv-head.hv-head-split { max-width: none; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); align-items: end; gap: clamp(2rem, 6vw, 6rem); }
.hv-desk { position: relative; justify-self: end; width: min(100%, 620px); }
.hv-desk-photo { display: block; width: 100%; height: auto; border-radius: 6px; }
.hv-approval { position: absolute; left: -12%; bottom: -14%; background: var(--hv-obsidian); color: var(--hv-sand); border-radius: 22px; padding: 1.3rem; width: min(78%, 380px);
  box-shadow: 0 50px 90px -50px rgba(11, 14, 20, 0.55); border: 1px solid var(--hv-stone); }
.hv-approval-title { margin-top: 1.1rem !important; font: 300 1.15rem/1.4 var(--hv-display); }
.hv-approval-preview { margin: 0.7rem 0 1.3rem !important; font-size: 0.88rem; line-height: 1.55; color: var(--hv-steel); }
.hv-approval-actions { display: flex; gap: 0.6rem; }
.hv-icon { display: block; margin-bottom: 1.2rem; fill: none; stroke: var(--hv-gold-deep); stroke-width: 1.2; stroke-linecap: round; stroke-linejoin: round; }
.hv-head { max-width: 56rem; margin-bottom: clamp(3rem, 7vh, 5rem); }
.hv-trust .hv-head-split { margin-bottom: clamp(6rem, 14vh, 9rem); align-items: center; }
.hv-h2 { font-size: clamp(2.2rem, 4.6vw, 4.6rem); line-height: 1.06; }
.hv-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid rgba(11, 14, 20, 0.14); }
.hv-grid li { padding: 2.2rem 2rem 2.6rem 0; border-bottom: 1px solid rgba(11, 14, 20, 0.14); }
.hv-grid li:not(:nth-child(3n + 1)) { padding-left: 2rem; border-left: 1px solid rgba(11, 14, 20, 0.14); }
.hv-grid-title { font: 400 1.15rem/1.35 var(--hv-display); letter-spacing: -0.01em; }
.hv-grid-body { margin-top: 0.7rem !important; font: 400 0.98rem/1.6 var(--hv-body); color: var(--hv-ink-soft); max-width: 24rem; }
.hv-steps { padding-top: 0; }
.hv-track { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 3rem; position: relative; }
.hv-track::before { content: ""; position: absolute; left: 0; right: 0; top: 22px; height: 1px; background: var(--hv-gold-deep); transform-origin: left; }
.hv-node { position: relative; display: grid; place-items: center; width: 45px; height: 45px; border-radius: 50%; background: var(--hv-paper);
  border: 1px solid var(--hv-gold-deep); font: 400 0.75rem var(--hv-mono); color: var(--hv-obsidian); margin-bottom: 1.8rem; }
.hv-step-title { font: 400 1.3rem/1.3 var(--hv-display); letter-spacing: -0.01em; }
.hv-step-body { margin-top: 0.7rem !important; font: 400 0.98rem/1.6 var(--hv-body); color: var(--hv-ink-soft); max-width: 22rem; }
.hv-fit { padding-top: 0; }
.hv-fit-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: clamp(3rem, 8vw, 9rem); border-top: 1px solid rgba(11, 14, 20, 0.14); padding-top: clamp(4rem, 10vh, 7rem); }
.hv-fit-for { font-size: clamp(1.8rem, 3vw, 2.8rem); line-height: 1.18; font-weight: 300; }
.hv-fit-not { margin-top: 2rem !important; font: 400 1rem/1.65 var(--hv-body); color: var(--hv-ink-soft); max-width: 30rem; }
.hv-faq-heading { font: 400 0.75rem/1 var(--hv-mono); letter-spacing: 0.22em; text-transform: uppercase; color: var(--hv-ink-soft); margin-bottom: 1.4rem !important; }
.hv-faq details { border-top: 1px solid rgba(11, 14, 20, 0.14); }
.hv-faq details:last-child { border-bottom: 1px solid rgba(11, 14, 20, 0.14); }
.hv-faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.35rem 0;
  font: 300 1.2rem/1.4 var(--hv-display); }
.hv-faq summary::-webkit-details-marker { display: none; }
.hv-faq summary span { position: relative; width: 14px; height: 14px; flex: none; }
.hv-faq summary span::before, .hv-faq summary span::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: currentColor; transition: transform 0.45s var(--hv-state); }
.hv-faq summary span::after { transform: rotate(90deg); }
.hv-faq details[open] summary span::after { transform: rotate(0deg); }
.hv-faq details p { padding: 0 0 1.5rem; color: var(--hv-ink-soft); font: 400 1rem/1.65 var(--hv-body); max-width: 30rem; }

/* close */
.hv-close { min-height: 100svh; display: flex; flex-direction: column; justify-content: space-between; padding-bottom: 2.5rem; text-align: center; }
.hv-close-inner { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.hv-close-mark { width: 84px; height: auto; margin-bottom: 3rem; }
.hv-close-lead { font: 300 clamp(1rem, 1.3vw, 1.15rem)/1.6 var(--hv-body); color: var(--hv-steel); max-width: 30rem; text-wrap: balance; }
.hv-close-line { font-size: clamp(2.6rem, 6vw, 6rem); margin: 1.6rem 0 3rem; }
.hv-sign { margin-top: 4rem !important; font: 300 0.92rem/1.6 var(--hv-body); color: var(--hv-steel); max-width: 34rem; text-wrap: balance; }
.hv-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1.2rem 2rem; border-top: 1px solid var(--hv-stone); padding-top: 1.8rem; margin-top: 4rem; }
.hv-foot img { height: 10px; width: auto; display: block; opacity: 0.8; }
.hv-foot-small { font: 400 0.68rem var(--hv-mono); letter-spacing: 0.24em; text-transform: uppercase; color: var(--hv-steel); }
.hv-foot nav { display: flex; gap: 1.6rem; }
.hv-foot nav a { color: var(--hv-steel); text-decoration: none; font: 300 0.85rem var(--hv-display); }
.hv-foot nav a:hover { color: var(--hv-sand); }

/* motion: only for people who have not asked for less */
@media (prefers-reduced-motion: no-preference) {
  .hv-word { animation: hv-word 1.1s var(--hv-out) both; animation-delay: calc(0.25s + var(--i) * 85ms); }
  .hv-word:not(.hv-word-first) { animation-delay: calc(0.55s + var(--i) * 85ms); }
  @keyframes hv-word { from { opacity: 0; filter: blur(14px); transform: translateY(0.18em); } }
  .hv-rise { animation: hv-rise 1s var(--hv-out) both; animation-delay: var(--d, 0s); }
  @keyframes hv-rise { from { opacity: 0; transform: translateY(14px); filter: blur(6px); } }
  .hv-hero-object { animation: hv-object 1.8s var(--hv-out) 0.35s both; }
  @keyframes hv-object { from { opacity: 0; filter: blur(24px); transform: scale(0.94) translateY(24px); } }
  .hv-hero-object img { animation: hv-float 9s ease-in-out 2.2s infinite alternate; }
  @keyframes hv-float { to { translate: 0 -10px; rotate: 1.2deg; } }
  .hv-scroll-cue span { animation: hv-cue 2.6s var(--hv-state) 2.4s infinite; }
  @keyframes hv-cue { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }
  .hv-armed { opacity: 0; transform: translateY(26px); filter: blur(4px); }
  .hv-armed.hv-in { opacity: 1; transform: none; filter: none; transition: opacity 1s var(--hv-out), transform 1.1s var(--hv-out), filter 1s var(--hv-out); }
  .hv-grid.hv-armed { opacity: 1; transform: none; filter: none; }
  .hv-grid.hv-armed li { opacity: 0; transform: translateY(18px); }
  .hv-grid.hv-in li { opacity: 1; transform: none; transition: opacity 0.9s var(--hv-out), transform 0.9s var(--hv-out); transition-delay: calc(var(--i) * 70ms); }
  .hv-track.hv-armed { opacity: 1; transform: none; filter: none; }
  .hv-track.hv-armed::before { transform: scaleX(0); }
  .hv-track.hv-in::before { transform: scaleX(1); transition: transform 1.4s var(--hv-out) 0.1s; }
  .hv-track.hv-armed li { opacity: 0; transform: translateY(14px); }
  .hv-track.hv-in li { opacity: 1; transform: none; transition: opacity 0.9s var(--hv-out), transform 0.9s var(--hv-out); transition-delay: calc(0.25s + var(--i) * 260ms); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hv-edge-blur { display: none; }
}

/* phone */
@media (max-width: 860px) {
  .hv-hero { grid-template-columns: 1fr; padding-top: 7rem; gap: 0; }
  .hv-hero-object { order: -1; width: min(62vw, 300px); justify-self: end; margin: -1rem -1rem -2rem 0; }
  .hv-hero-title { font-size: clamp(3rem, 15vw, 4.6rem); }
  .hv-statement-text { font-size: clamp(1.9rem, 8.6vw, 2.8rem); }
  .hv-chapters-stage { display: flex; flex-direction: column; justify-content: flex-start; align-items: stretch; gap: 1.4rem; padding-top: 5.5rem; padding-bottom: 2rem; }
  .hv-chapters-visual { flex: 1; min-height: 0; height: auto; }
  .hv-visual-frame { justify-content: flex-start; }
  .hv-chapter-list { display: none; }
  .hv-chapter-title { font-size: clamp(2.1rem, 10vw, 3rem); }
  .hv-chapter-body { font-size: 1rem; }
  .hv-ui { transform: scale(0.84); transform-origin: top center; }
  .hv-windows { height: 300px; }
  .hv-chapters-stack .hv-chapter-static { grid-template-columns: 1fr; }
  .hv-grid, .hv-track, .hv-fit-grid, .hv-head-split { grid-template-columns: 1fr; }
  .hv-head.hv-head-split { grid-template-columns: 1fr; }
  .hv-desk { justify-self: stretch; width: 100%; }
  .hv-approval { position: relative; left: auto; bottom: auto; margin: -3.5rem 0 0 6%; width: 88%; }
  .hv-brand img { height: 9px; }
  .hv-bar-cta { opacity: 0; pointer-events: none; transition: opacity 0.4s var(--hv-soft); }
  html[data-hv-scrolled] .hv-bar-cta { opacity: 1; pointer-events: auto; }
  .hv-windows { width: 100%; margin-right: 0; }
  .hv-close-line { font-size: clamp(2.3rem, 11vw, 3.4rem); }
  .hv-grid li, .hv-grid li:not(:nth-child(3n + 1)) { padding: 1.6rem 0; border-left: 0; }
  .hv-track::before { left: 22px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; transform-origin: top; }
  .hv-track li { padding-left: 4.2rem; position: relative; }
  .hv-node { position: absolute; left: 0; top: -0.4rem; }
  .hv-bar-cta { font-size: 0.85rem; }
  .hv-chapter-count { display: none; }
}
@media (max-width: 860px) and (prefers-reduced-motion: no-preference) {
  .hv-track.hv-armed::before { transform: scaleY(0); }
  .hv-track.hv-in::before { transform: scaleY(1); }
}

/* ---------- client pages (for/<client>): hero product picture, numbers, dashboards, timeline, plan, table ---------- */
.hv-hero-visual { justify-self: center; width: min(40vw, 470px); }
.hv-hero-title-long { font-size: clamp(2.8rem, 5.4vw, 5.6rem); max-width: 13ch; }
.hv-hero-visual .hv-step { opacity: 1; transform: none; }
.hv-phone { border-radius: 28px; }
.hv-head-intro { margin-top: 1.4rem !important; font: 400 1.05rem/1.65 var(--hv-body); color: var(--hv-ink-soft); max-width: 36rem; }
.hv-numbers { padding-top: 0; }
.hv-numbers-row { list-style: none; margin: 0; padding: 2.4rem 0 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 2rem; border-top: 1px solid var(--hv-stone); }
.hv-number { font-size: clamp(2rem, 3.6vw, 3.4rem); color: var(--hv-sand); }
.hv-number-label { margin-top: 0.6rem !important; font: 400 0.9rem/1.5 var(--hv-body); color: var(--hv-steel); max-width: 14rem; }
.hv-numbers-note { margin-top: 2rem !important; font: 400 0.72rem var(--hv-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--hv-steel); }
.hv-panel { background: var(--hv-graphite); border: 1px solid var(--hv-stone); border-radius: 22px; padding: 1.4rem; display: flex; flex-direction: column; gap: 0.9rem;
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.8); }
.hv-panel-note { font-size: 0.85rem; line-height: 1.5; color: var(--hv-steel); border-top: 1px solid var(--hv-stone); padding-top: 0.9rem; }
.hv-track-row { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 1rem; }
.hv-track-name p { margin: 0; color: var(--hv-sand); font-size: 0.92rem; }
.hv-days { display: flex; gap: 4px; }
.hv-days i { width: 14px; height: 6px; border-radius: 3px; background: var(--hv-stone); }
.hv-days i.is-done { background: var(--hv-sand); }
.hv-days i.is-late { background: var(--hv-gold); }
.hv-day { font: 400 0.72rem var(--hv-mono); color: var(--hv-steel); min-width: 3.4rem; text-align: right; }
.hv-day.is-late { color: var(--hv-gold); }
.hv-score-row { display: grid; grid-template-columns: 7.5rem 1fr 1.8rem; align-items: center; gap: 0.9rem; font-size: 0.9rem; color: var(--hv-sand); }
.hv-score-row p { margin: 0; }
.hv-score-row span { font: 400 0.8rem var(--hv-mono); color: var(--hv-steel); text-align: right; }
.hv-bar-track { height: 6px; border-radius: 3px; background: var(--hv-stone); overflow: hidden; }
.hv-bar-track b { display: block; height: 100%; background: var(--hv-sand); border-radius: 3px; }
.hv-bar-track b.is-behind { background: var(--hv-gold); }
.hv-route { padding: 0.9rem 1rem; border: 1px solid var(--hv-stone); border-radius: 14px; background: #10141b; }
.hv-route p { margin: 0; color: var(--hv-sand); font-size: 0.9rem; }
.hv-route span { display: block; margin-top: 0.35rem; font: 400 0.72rem var(--hv-mono); color: var(--hv-steel); }
.hv-route.is-you { border-left: 1px solid var(--hv-gold); }
.hv-tl { list-style: none; margin: 0; padding: 0; border-top: 1px solid rgba(11, 14, 20, 0.14); }
.hv-tl li { display: grid; grid-template-columns: 3.2rem minmax(0, 1fr) 9rem; gap: 1rem; align-items: baseline; padding: 1.15rem 0; border-bottom: 1px solid rgba(11, 14, 20, 0.14); }
.hv-tl-n { font: 400 0.75rem var(--hv-mono); color: var(--hv-ink-soft); }
.hv-tl-title { font: 400 1.1rem/1.4 var(--hv-display); letter-spacing: -0.01em; }
.hv-tl-body { margin-top: 0.25rem !important; font: 400 0.92rem/1.55 var(--hv-body); color: var(--hv-ink-soft); }
.hv-tl-owner { justify-self: end; font: 400 0.72rem var(--hv-mono); letter-spacing: 0.08em; text-transform: uppercase; padding: 0.35rem 0.7rem; border-radius: 999px; border: 1px solid rgba(11, 14, 20, 0.18); color: var(--hv-ink-soft); }
.hv-tl li.is-person .hv-tl-owner { border-color: var(--hv-gold-deep); color: var(--hv-obsidian); }
.hv-tl-foot { margin-top: 1.6rem !important; font: 400 0.95rem/1.6 var(--hv-body); color: var(--hv-ink-soft); max-width: 40rem; }
.hv-plan-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: clamp(3rem, 7vw, 7rem); align-items: start; }
.hv-quote { margin-top: 1.8rem !important; font: 300 1.35rem/1.45 var(--hv-display); border-left: 1px solid var(--hv-gold-deep); padding-left: 1.2rem; max-width: 32rem; }
.hv-plan-body { margin-top: 1.6rem !important; font: 400 1.02rem/1.65 var(--hv-body); color: var(--hv-ink-soft); max-width: 32rem; }
.hv-plan-points { list-style: none; margin: 2rem 0 0; padding: 0; display: grid; gap: 1.4rem; }
.hv-plan-card { position: relative; left: auto; bottom: auto; width: 100%; max-width: 440px; justify-self: end; }
.hv-plan-line { display: flex; justify-content: space-between; gap: 1rem; padding: 0.55rem 0; border-bottom: 1px solid var(--hv-stone); font-size: 0.9rem; color: var(--hv-steel); }
.hv-plan-line b { font-weight: 400; color: var(--hv-sand); font-family: var(--hv-mono); }
.hv-plan-line.is-total span { color: var(--hv-sand); }
.hv-plan-moves { margin-top: 1.2rem !important; }
.hv-plan-moves-list { margin: 0.6rem 0 1.2rem; padding-left: 1.1rem; color: var(--hv-sand); font-size: 0.9rem; line-height: 1.6; }
.hv-table-wrap { overflow-x: auto; }
.hv-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.hv-table th, .hv-table td { text-align: left; padding: 1rem 1rem 1rem 0; border-bottom: 1px solid rgba(11, 14, 20, 0.14); font: 400 0.95rem/1.45 var(--hv-body); vertical-align: top; }
.hv-table thead th { font: 400 0.7rem var(--hv-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--hv-ink-soft); }
.hv-table tbody th { font: 400 1rem/1.4 var(--hv-display); max-width: 18rem; }
.hv-table td:last-child { color: var(--hv-obsidian); }
.hv-track { grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
@media (prefers-reduced-motion: no-preference) {
  .hv-numbers-row.hv-armed { opacity: 1; transform: none; filter: none; }
  .hv-numbers-row.hv-armed li { opacity: 0; transform: translateY(14px); }
  .hv-numbers-row.hv-in li { opacity: 1; transform: none; transition: opacity 0.9s var(--hv-out), transform 0.9s var(--hv-out); transition-delay: calc(var(--i) * 90ms); }
  .hv-tl.hv-armed { opacity: 1; transform: none; filter: none; }
  .hv-tl.hv-armed li { opacity: 0; transform: translateY(10px); }
  .hv-tl.hv-in li { opacity: 1; transform: none; transition: opacity 0.7s var(--hv-out), transform 0.7s var(--hv-out); transition-delay: calc(var(--i) * 55ms); }
}
@media (max-width: 860px) {
  .hv-hero-visual { order: 2; width: 100%; margin-top: 3rem; }
  .hv-hero-title-long { font-size: clamp(2.4rem, 11vw, 3.4rem); }
  .hv-numbers-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hv-tl li { grid-template-columns: 2.4rem minmax(0, 1fr); }
  .hv-tl-owner { grid-column: 2; justify-self: start; margin-top: 0.5rem; }
  .hv-plan-grid { grid-template-columns: 1fr; }
  .hv-plan-card { justify-self: stretch; max-width: none; }
}

/* ---------- "Dark only" pages (hero tone "dark"): one Obsidian ground; sections part with a Stone hairline and
   space, and dense content sits on Graphite panels (brand: never tint the ground, depth is panels and hairlines) ---------- */
body:has(.hv-tone-dark) .hv-paper { background: var(--hv-obsidian); color: var(--hv-sand); border-top: 1px solid var(--hv-stone); }
body:has(.hv-tone-dark) .hv-paper .hv-hair { background: var(--hv-gold); }
body:has(.hv-tone-dark) .hv-paper .hv-eyebrow, body:has(.hv-tone-dark) .hv-paper .hv-faq-heading { color: var(--hv-steel); }
body:has(.hv-tone-dark) .hv-paper :is(.hv-grid-body, .hv-step-body, .hv-tl-body, .hv-tl-n, .hv-tl-foot, .hv-head-intro, .hv-plan-body, .hv-fit-not) { color: var(--hv-steel); }
body:has(.hv-tone-dark) .hv-paper :is(.hv-grid, .hv-grid li, .hv-tl, .hv-tl li, .hv-fit-grid, .hv-faq details) { border-color: var(--hv-stone); }
body:has(.hv-tone-dark) .hv-paper .hv-icon { stroke: var(--hv-gold); }
body:has(.hv-tone-dark) .hv-paper .hv-quote { border-color: var(--hv-gold); }
body:has(.hv-tone-dark) .hv-paper .hv-node { background: var(--hv-obsidian); border-color: var(--hv-gold); color: var(--hv-sand); }
body:has(.hv-tone-dark) .hv-paper .hv-track::before { background: var(--hv-gold); }
body:has(.hv-tone-dark) .hv-paper .hv-tl-owner { border-color: var(--hv-stone); color: var(--hv-steel); }
body:has(.hv-tone-dark) .hv-paper .hv-tl li.is-person .hv-tl-owner { border-color: var(--hv-gold); color: var(--hv-sand); }
body:has(.hv-tone-dark) .hv-paper :is(.hv-tl, .hv-table-wrap) { background: var(--hv-graphite); border: 1px solid var(--hv-stone); border-radius: 22px; padding: 0.4rem 1.6rem; }
body:has(.hv-tone-dark) .hv-paper .hv-tl li:last-child { border-bottom: 0; }
body:has(.hv-tone-dark) .hv-paper .hv-table :is(th, td) { border-color: var(--hv-stone); color: var(--hv-sand); }
body:has(.hv-tone-dark) .hv-paper .hv-table thead th { color: var(--hv-steel); }
body:has(.hv-tone-dark) .hv-paper .hv-table tbody tr:last-child :is(th, td) { border-bottom: 0; }
body:has(.hv-tone-dark) .hv-paper :is(.hv-approval, .hv-plan-card) { background: var(--hv-graphite); }

/* phone: tables become one card per row; the plan card sits under its text */
@media (max-width: 860px) {
  .hv-table { min-width: 0; }
  .hv-table thead { display: none; }
  .hv-table, .hv-table tbody, .hv-table tr, .hv-table th, .hv-table td { display: block; width: 100%; }
  .hv-table tr { padding: 1.2rem 0; border-bottom: 1px solid rgba(11, 14, 20, 0.14); }
  .hv-table tbody th { padding: 0 0 0.7rem; border: 0; font-size: 1.05rem; }
  .hv-table td { display: flex; justify-content: space-between; gap: 1rem; padding: 0.35rem 0; border: 0; font-size: 0.92rem; }
  .hv-table td::before { content: attr(data-label); font: 400 0.68rem/1.9 var(--hv-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--hv-steel); flex: none; }
  .hv-table td { text-align: right; }
  body:has(.hv-tone-dark) .hv-paper .hv-table tr { border-color: var(--hv-stone); }
  body:has(.hv-tone-dark) .hv-paper .hv-table tbody tr:last-child { border-bottom: 0; }
  body:has(.hv-tone-dark) .hv-paper :is(.hv-tl, .hv-table-wrap) { padding: 0.2rem 1.1rem; border-radius: 18px; }
  .hv-plan-card { margin: 2.5rem 0 0 !important; width: 100% !important; }
  .hv-chapters-stack .hv-chapter-static { padding: 4rem var(--hv-side); gap: 2.4rem; }
  .hv-chapters-stack .hv-chapter-static + .hv-chapter-static { border-top: 1px solid var(--hv-stone); }
}

/* ---------- real Workspace screens in device frames ---------- */
.hv-device-phone { width: min(100%, 300px); margin-inline: auto; border-radius: 46px; padding: 10px; background: #1a1e25;
  border: 1px solid #2a3039; box-shadow: 0 50px 90px -40px rgba(0, 0, 0, 0.9), inset 0 0 0 2px #0e1116; }
.hv-device-phone img { display: block; width: 100%; height: auto; border-radius: 36px; }
.hv-devices { position: relative; width: 100%; max-width: 1080px; margin: 4rem auto 0; padding-bottom: 2rem; }
.hv-device-laptop { width: 88%; margin-left: auto; }
.hv-device-screen { border-radius: 18px 18px 0 0; padding: 12px 12px 0; background: #1a1e25; border: 1px solid #2a3039; border-bottom: 0; }
.hv-device-screen img { display: block; width: 100%; height: auto; border-radius: 8px 8px 0 0; }
.hv-device-base { height: 18px; margin: 0 -5%; border-radius: 0 0 18px 18px; background: linear-gradient(#2a3039, #15191f); box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.9); }
.hv-devices .hv-device-phone { position: absolute; left: 0; bottom: 0; width: 26%; min-width: 180px; }
.hv-hero.hv-hero-stack { grid-template-columns: 1fr; text-align: center; padding-bottom: 4rem; }
.hv-hero-stack .hv-hero-copy { display: flex; flex-direction: column; align-items: center; }
.hv-hero-stack .hv-eyebrow-row { justify-content: center; }
.hv-hero-stack .hv-hero-title { max-width: 18ch; }
.hv-hero-stack .hv-hero-sub { margin-inline: auto; max-width: 34rem; }
.hv-hero-stack .hv-hero-actions { justify-content: center; }
.hv-hero-stack .hv-hero-visual { width: 100%; justify-self: stretch; }
.hv-hero-stack .hv-scroll-cue { display: none; }
.hv-chapters-visual .hv-device-phone { width: min(100%, 290px); }
@media (max-width: 860px) {
  .hv-devices { margin-top: 2.5rem; }
  .hv-device-laptop { width: 100%; }
  .hv-devices .hv-device-phone { position: relative; width: 62%; margin: -22% auto 0; }
  .hv-chapters-stack .hv-device-phone { width: 74%; }
}
@media (max-width: 860px) { .hv-hero-stack .hv-eyebrow-row .hv-hair { display: none; } }