/* Octo KOLs — "orbital planes" revision (2026-10-14).
 * Graphite and silver, fine lines, the brand / creator / community connection as tilted orbits.
 * One system for type, controls and motion. No inline styles (CSP style-src 'self'). */

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 1.5rem); overflow-x: clip; scrollbar-gutter: stable; }
body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: 0; background: none; padding: 0; }
button, a, input, textarea, select, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 4px; border-radius: 2px; }
::selection { background: var(--color-accent); color: var(--color-accent-ink); }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 500;
  letter-spacing: -.04em;
  overflow-wrap: break-word;
  text-wrap: balance;
}
h1 { font-size: var(--text-display); line-height: 1.04; letter-spacing: -.05em; }
h2 { font-size: var(--text-heading); line-height: 1.12; }
h3 { font-size: var(--text-xl); line-height: 1.25; letter-spacing: -.03em; }
h2 span, .h1-muted { color: var(--color-muted); }
p { color: var(--color-body); text-wrap: pretty; }
strong { font-weight: 500; }
.icon-arrow { display: block; width: 1em; height: 1em; flex-shrink: 0; }

.container { width: min(1200px, 100% - 2 * var(--gutter)); margin-inline: auto; }
.section { padding-block: var(--space-section); }
.webview-top-cover { display: none; }
/* Clip the unfocused link instead of moving it into an in-app browser's toolbar. */
.skip-link { position: fixed; left: 1rem; top: 1rem; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; background: var(--color-ink); color: var(--color-paper); z-index: 100; border-radius: var(--radius-sm); }
.skip-link:focus { width: auto; height: auto; padding: .9rem 1.1rem; overflow: visible; clip-path: none; white-space: normal; }
.section-label, .eyebrow {
  font-size: var(--text-xs);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* ---------- Controls: one family ---------- */
.button {
  --arrow-shift: 0;
  position: relative;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  padding: .75rem 1.25rem;
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-normal) var(--ease-out);
}
.button > span { display: inline-flex; font-size: 1.1rem; transition: transform var(--dur-normal) var(--ease-out); }
.button-light {
  background: linear-gradient(180deg, var(--color-accent-strong), var(--color-accent) 60%, var(--color-silver));
  color: var(--color-accent-ink);
  border-color: var(--color-silver);
  box-shadow: 0 0 0 0 oklch(90% .01 250 / 0);
}
.button-outline { color: var(--color-ink); background: oklch(18% .004 260 / .6); }
.button:active { transform: translateY(1px); }
.button:disabled { opacity: .6; cursor: wait; }
@media (hover: hover) {
  .button-light:hover { box-shadow: 0 8px 30px -10px oklch(90% .01 250 / .45); }
  .button-outline:hover { border-color: var(--color-silver); }
  .button:hover > span { transform: translate(2px, -2px); }
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  min-height: 44px;
  font-size: var(--text-sm);
  color: var(--color-ink);
  background: linear-gradient(var(--color-rule-strong), var(--color-rule-strong)) no-repeat 0 calc(100% - 8px) / 100% 1px,
              linear-gradient(var(--color-ink), var(--color-ink)) no-repeat 0 calc(100% - 8px) / 0 1px;
  transition: background-size var(--dur-normal) var(--ease-out);
  white-space: nowrap;
}
.text-link > span { display: inline-flex; transition: transform var(--dur-normal) var(--ease-out); }
@media (hover: hover) {
  .text-link:hover { background-size: 100% 1px, 100% 1px; }
  .text-link:hover > span { transform: translate(2px, -2px); }
  .text-link[href^="#"]:hover > span { transform: translateY(2px); }
}

.social-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  border: 1px solid var(--color-rule-strong);
  border-radius: 50%;
  color: var(--color-body);
  transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.social-circle svg { display: block; width: 19px; height: 19px; }
.social-circle:active { transform: scale(.96); }
@media (hover: hover) { .social-circle:hover { border-color: var(--color-silver); color: var(--color-ink); } }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: oklch(15.1% .003 260 / .9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-rule);
}
.header-inner { height: var(--header-h); display: flex; align-items: center; gap: 1.5rem; }
.brand { display: inline-flex; align-items: center; gap: .65rem; flex-shrink: 0; min-height: 44px; }
.brand img { width: 29px; height: 35px; }
.brand > span { font-family: var(--font-display); font-size: 1.06rem; font-weight: 700; letter-spacing: .075em; line-height: 1; }
.brand-sub { display: block; margin-top: 6px; letter-spacing: .2em; font-family: var(--font-body); font-size: .62rem; font-weight: 400; color: var(--color-body); }
#main-nav { margin-left: auto; display: flex; align-items: center; }
.nav-links { display: flex; gap: .4rem; }
.nav-links a {
  position: relative;
  padding: .7rem .8rem;
  font-size: var(--text-sm);
  color: var(--color-body);
  transition: color var(--dur-fast) var(--ease-out);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: .8rem;
  right: .8rem;
  bottom: .45rem;
  height: 1px;
  background: var(--color-silver);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-normal) var(--ease-out);
}
.nav-links a.is-current { color: var(--color-ink); }
.nav-links a.is-current::after { transform: scaleX(1); }
@media (hover: hover) { .nav-links a:hover { color: var(--color-ink); } .nav-links a:hover::after { transform: scaleX(1); } }
.nav-actions { display: none; }
.header-telegram { width: 44px; height: 44px; flex-basis: 44px; }
.header-cta { min-height: 44px; padding: .55rem 1.05rem; }
.menu-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  column-gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
  min-height: min(760px, calc(100svh - var(--header-h)));
  padding-top: clamp(2rem, 4vw, 3.5rem);
}
.hero-copy { position: relative; z-index: 2; }
.eyebrow { margin-bottom: 1.6rem; display: flex; align-items: center; gap: .85rem; }
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--color-silver); }
.hero h1 { max-width: 12ch; }
.h1-line { display: inline-block; }
.hero-intro { max-width: 30rem; font-size: var(--text-lg); line-height: 1.65; margin-top: 1.6rem; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.75rem; margin-top: 2.2rem; }
.hero-primary-actions { display: flex; align-items: center; gap: .85rem; }
.hero-actions .button { min-height: 52px; padding-inline: 1.4rem; font-size: var(--text-base); }
.hero-focus { margin-top: 1.4rem; font-size: var(--text-xs); color: var(--color-muted); }

.hero-stage { position: relative; aspect-ratio: 600 / 560; width: 100%; max-width: 620px; justify-self: end; }
.orbit-plate { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.orbit-line { fill: none; stroke: var(--color-rule-strong); stroke-width: 1; vector-effect: non-scaling-stroke; }
.orbit-line.o1 { stroke: var(--color-silver-dim); stroke-opacity: .55; }
.orbit-line.dashed { stroke-dasharray: 2 6; stroke-opacity: .7; }
.orbit-spark { fill: var(--color-silver); }
.orbit-spark.s1 { offset-path: path("M -282 0 A 282 104 0 1 0 282 0 A 282 104 0 1 0 -282 0"); }
.orbit-spark.s2 { offset-path: path("M -232 0 A 232 168 0 1 0 232 0 A 232 168 0 1 0 -232 0"); opacity: .7; }
.case-link { fill: none; stroke: var(--color-silver); stroke-width: 1; stroke-dasharray: 3 4; vector-effect: non-scaling-stroke; opacity: .75; }

.case-nodes { position: absolute; inset: 0; pointer-events: none; }
.case-node {
  position: absolute;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: .6rem;
  min-height: 44px;
  padding: 0 .4rem;
  font-size: var(--text-xs);
  letter-spacing: .02em;
  color: var(--color-muted);
  white-space: nowrap;
  transform: translate(-22px, -50%);
  transition: color var(--dur-fast) var(--ease-out);
}
.case-node i {
  position: relative;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid var(--color-silver-dim);
  background: var(--color-paper);
  flex: none;
  transition: background-color var(--dur-normal) var(--ease-out), border-color var(--dur-normal) var(--ease-out), transform var(--dur-normal) var(--ease-out);
}
.case-node i::after {
  content: "";
  position: absolute;
  inset: -7px;
  border-radius: 50%;
  border: 1px solid var(--color-silver);
  opacity: 0;
  transform: scale(.6);
  transition: opacity var(--dur-normal) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.case-node[aria-pressed="true"] { color: var(--color-ink); }
.case-node[aria-pressed="true"] i { background: var(--color-silver); border-color: var(--color-silver); }
.case-node[aria-pressed="true"] i::after { opacity: .55; transform: scale(1); }
@media (hover: hover) { .case-node:hover { color: var(--color-ink); } .case-node:hover i { border-color: var(--color-silver); } }
/* Positions on the outer orbits (computed from the SVG geometry: 600 × 560 plate) */
.case-node.n1 { left: 29.3%; top: 20.2%; flex-direction: column-reverse; gap: .35rem; transform: translate(-50%, calc(-100% + 6px)); }
.case-node.n2 { left: 81.5%; top: 27.9%; flex-direction: column-reverse; gap: .35rem; transform: translate(-50%, calc(-100% + 6px)); }
.case-node.n3 { left: 87.7%; top: 50.8%; flex-direction: column; align-items: flex-end; gap: .35rem; transform: translate(calc(-100% + 22px), -6px); }

.hero-evidence {
  position: absolute;
  left: 0;
  bottom: 1%;
  width: min(304px, 56%);
  padding: 1.35rem 1.4rem .6rem;
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 40px 80px -40px var(--color-shadow), inset 0 1px 0 oklch(100% 0 0 / .05);
}
.evidence-top { display: flex; justify-content: space-between; font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--color-muted); }
.hero-evidence h2 { margin-top: 1rem; font-size: 1.12rem; letter-spacing: -.02em; }
.evidence-value { margin-top: .6rem; font-family: var(--font-display); font-size: clamp(2.75rem, 2rem + 2.2vw, 3.9rem); letter-spacing: -.055em; line-height: 1.02; color: var(--color-ink); overflow: hidden; }
.evidence-label { margin-top: .25rem; font-size: var(--text-sm); }
.evidence-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.2rem; padding-top: 1rem; border-top: 1px solid var(--color-rule); }
.evidence-pair strong { display: block; font-family: var(--font-display); font-size: 1.35rem; letter-spacing: -.03em; line-height: 1.2; color: var(--color-ink); overflow: hidden; }
.evidence-pair span { display: block; margin-top: .2rem; font-size: .8rem; line-height: 1.4; color: var(--color-muted); }
.evidence-link { display: flex; justify-content: space-between; align-items: center; min-height: 44px; margin-top: .9rem; border-top: 1px solid var(--color-rule); font-size: var(--text-xs); color: var(--color-body); }
@media (hover: hover) { .evidence-link:hover { color: var(--color-ink); } }

.hero-foot {
  grid-column: 1 / -1;
  align-self: end;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
  padding-block: 1.1rem;
  border-top: 1px solid var(--color-rule);
  font-size: var(--text-xs);
  color: var(--color-muted);
}
.hero-foot a { display: inline-flex; align-items: center; gap: 1.2rem; min-height: 44px; }
.hero-foot-actions { display: flex; align-items: center; gap: 1rem; }

/* Roll: values swap with a short vertical slide (class set from app.js) */
.roll { display: inline-block; }
.roll.is-in { animation: roll-in 320ms var(--ease-out); }
@keyframes roll-in { from { opacity: 0; transform: translateY(.45em); } }

/* ---------- Section heading pattern ---------- */
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 3rem; margin-bottom: clamp(2rem, 3vw, 3rem); }
.section-heading > p { max-width: 21rem; font-size: var(--text-sm); }

/* ---------- Services ---------- */
.services-section { background: oklch(18.2% .004 260 / .94); border-block: 1px solid var(--color-rule); }
.services-layout { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.services-intro { position: sticky; top: calc(var(--header-h) + 2.5rem); }
.services-intro > p { max-width: 22rem; font-size: var(--text-sm); margin-top: 1.4rem; }
.services-intro .text-link { margin-top: 1.2rem; }
.service-signature { margin-top: 3.5rem; display: flex; align-items: center; gap: 1.4rem; font-family: var(--font-display); font-size: 1rem; line-height: 1.45; color: var(--color-muted); }
.service-signature img { width: 46px; height: 56px; opacity: .45; }

.service-list { border-top: 1px solid var(--color-rule-strong); }
details { border-bottom: 1px solid var(--color-rule); }
summary { cursor: pointer; list-style: none; display: flex; align-items: center; gap: 1rem; min-height: 72px; }
summary::-webkit-details-marker { display: none; }
.service-list details { position: relative; }
.service-list details::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  height: 1px;
  width: 100%;
  background: linear-gradient(90deg, var(--color-silver), oklch(88% .008 250 / 0));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-slow) var(--ease-out);
}
.service-list details[open]:not(.is-closing)::before { transform: scaleX(1); }
.service-list summary { min-height: 76px; padding-right: .25rem; }
.service-no { width: 2.5rem; flex: none; font-family: var(--font-display); font-size: var(--text-xs); color: var(--color-faint); transition: color var(--dur-normal) var(--ease-out); }
.service-list summary h3 { font-size: clamp(1.1rem, 1rem + .45vw, 1.35rem); font-weight: 500; letter-spacing: -.025em; color: var(--color-body); transition: color var(--dur-normal) var(--ease-out), transform var(--dur-normal) var(--ease-out); }
.service-list details[open]:not(.is-closing) .service-no { color: var(--color-silver); }
.service-list details[open]:not(.is-closing) summary h3 { color: var(--color-ink); }
@media (hover: hover) { .service-list summary:hover h3 { color: var(--color-ink); transform: translateX(4px); } }
.expand-icon { position: relative; flex-shrink: 0; width: 32px; height: 32px; margin-left: auto; border: 1px solid var(--color-rule); border-radius: 50%; transition: border-color var(--dur-fast), transform var(--dur-normal) var(--ease-out); }
.expand-icon::before, .expand-icon::after { content: ""; position: absolute; left: 10px; top: 15px; width: 10px; height: 1px; background: var(--color-body); }
.expand-icon::after { transform: rotate(90deg); transition: transform var(--dur-normal) var(--ease-out); }
details[open]:not(.is-closing) > summary .expand-icon { border-color: var(--color-silver-dim); transform: rotate(180deg); }
details[open]:not(.is-closing) > summary .expand-icon::after { transform: rotate(0); }
.service-content { padding: 0 3rem 1.6rem 3.5rem; font-size: var(--text-sm); }
.service-content > p { max-width: 32rem; }
.case-pills, .service-tags { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1.1rem; }
.case-pills span, .service-tags span { font-size: .8125rem; padding: .25rem .7rem; border: 1px solid var(--color-rule-strong); border-radius: 999px; color: var(--color-body); }

/* ---------- Results ---------- */
.work-section { background: oklch(12.8% .003 260 / .94); }
.case-tabs {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid var(--color-rule);
}
.case-tabs button {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  min-height: 60px;
  padding: 1rem 1rem 1rem 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: clamp(.95rem, .85rem + .4vw, 1.15rem);
  letter-spacing: -.02em;
  color: var(--color-muted);
  transition: color var(--dur-normal) var(--ease-out);
}
.tab-no { font-size: .75rem; letter-spacing: .08em; color: var(--color-faint); transition: color var(--dur-normal) var(--ease-out); }
.case-tabs button[aria-selected="true"] { color: var(--color-ink); }
.case-tabs button[aria-selected="true"] .tab-no { color: var(--color-silver); }
@media (hover: hover) { .case-tabs button:hover { color: var(--color-ink); } }
.tab-indicator {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: var(--ind-w, 33.333%);
  background: var(--color-silver);
  transform: translateX(var(--ind-x, 0));
  transition: transform var(--dur-slow) var(--ease-out), width var(--dur-slow) var(--ease-out);
}
.case-tabs > .sample-note { position: absolute; right: 0; top: -1.8rem; font-size: var(--text-xs); color: var(--color-muted); }

.case-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 96px minmax(0, 1.1fr);
  align-items: center;
  min-height: 330px;
  border-bottom: 1px solid var(--color-rule);
}
.case-panel:focus-visible { outline-offset: -2px; }
.case-story { padding: 2.75rem 0; }
.case-category { font-size: var(--text-xs); letter-spacing: .1em; text-transform: uppercase; color: var(--color-muted); }
.case-story h3 { margin-top: 1rem; font-size: var(--text-2xl); line-height: 1.18; white-space: pre-line; }
.case-story > p:not(.case-category) { margin-top: 1rem; max-width: 26rem; font-size: var(--text-sm); }
.case-bridge { align-self: stretch; display: flex; align-items: center; }
.case-bridge svg { width: 100%; height: 60%; overflow: visible; }
.bridge-path { fill: none; stroke: var(--color-silver-dim); stroke-width: 1; vector-effect: non-scaling-stroke; stroke-dasharray: 1; stroke-dashoffset: 0; }
.bridge-dot { fill: var(--color-silver); }
.case-panel.is-switching .bridge-path { animation: draw 620ms var(--ease-out); }
.case-measurement { padding: 2.75rem 0 2.25rem 2.5rem; border-left: 1px solid var(--color-rule); }
.metric-main { display: grid; grid-template-columns: 1fr auto; align-items: start; }
.metric-name { font-size: var(--text-sm); color: var(--color-body); }
.metric-main strong { grid-column: 1; margin-block: .5rem .25rem; font-family: var(--font-display); font-size: var(--text-metric); line-height: 1; letter-spacing: -.055em; }
.metric-helper { grid-column: 2; grid-row: 1; font-size: var(--text-xs); color: var(--color-muted); }
.metric-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.25rem; padding-top: 1.1rem; border-top: 1px solid var(--color-rule); }
.metric-pair > div { display: flex; flex-direction: column; gap: .2rem; }
.metric-pair strong { font-family: var(--font-display); font-size: 1.75rem; line-height: 1.15; letter-spacing: -.035em; }
.metric-pair span { font-size: var(--text-xs); color: var(--color-muted); }
.data-note { margin-top: 1.2rem; font-size: var(--text-xs); color: var(--color-muted); }
.case-story > *, .case-measurement > * { transition: opacity 180ms var(--ease-out), transform 260ms var(--ease-out); }
.case-panel.is-switching .case-story > * { animation: story-in 420ms var(--ease-out) both; }
.case-panel.is-switching .case-story > *:nth-child(2) { animation-delay: 40ms; }
.case-panel.is-switching .case-story > *:nth-child(3) { animation-delay: 80ms; }
.case-panel.is-switching .case-story > *:nth-child(4) { animation-delay: 120ms; }
@keyframes story-in { from { opacity: 0; transform: translateX(-10px); } }
@keyframes draw { from { stroke-dashoffset: 1; } }

.results-next { margin-top: 1rem; }
.results-next > p { font-size: var(--text-xs); color: var(--color-muted); }
.campaign-prompt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  padding: 1.6rem 1.75rem;
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius-md);
  background: linear-gradient(100deg, oklch(20% .005 260 / .9), oklch(15% .004 260 / .6));
}
.campaign-prompt > p { font-family: var(--font-display); font-size: var(--text-xl); letter-spacing: -.025em; line-height: 1.3; color: var(--color-ink); }
.campaign-prompt > p > span { display: block; margin-top: .35rem; font-family: var(--font-body); font-size: var(--text-sm); letter-spacing: 0; color: var(--color-muted); }
.campaign-prompt-actions { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.campaign-telegram { display: inline-flex; align-items: center; gap: .6rem; min-height: 44px; font-size: var(--text-sm); color: var(--color-body); }
.campaign-telegram svg { flex: none; width: 19px; height: 19px; }
@media (hover: hover) { .campaign-telegram:hover { color: var(--color-ink); } }

/* ---------- About: a manifesto, then the comparison ---------- */
.about-section { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: start; padding-bottom: clamp(3rem, 5vw, 4.5rem); }
.about-heading .section-label { margin-bottom: 1.2rem; }
.about-copy > p:first-child { font-family: var(--font-display); font-size: clamp(1.35rem, 1.05rem + 1.2vw, 2rem); line-height: 1.32; letter-spacing: -.03em; color: var(--color-ink); max-width: 34rem; }
.about-copy > p:nth-child(2) { margin-top: 1.3rem; max-width: 30rem; font-size: var(--text-sm); }
.about-copy .text-link { margin-top: 1.4rem; }

.difference-section { padding-top: 0; }
.comparison { border-top: 1px solid var(--color-rule-strong); }
.comparison-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .62fr) minmax(0, 1fr) minmax(0, 1.25fr);
  gap: 2rem;
  align-items: center;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--color-rule);
  font-size: var(--text-sm);
}
.comparison-row > span:first-child { color: var(--color-muted); font-size: var(--text-xs); letter-spacing: .06em; text-transform: uppercase; }
.comparison-row > span:nth-child(2) { color: var(--color-faint); }
.comparison-row > strong { position: relative; display: flex; align-items: center; gap: .9rem; font-family: var(--font-display); font-size: clamp(1rem, .95rem + .3vw, 1.15rem); font-weight: 500; letter-spacing: -.015em; color: var(--color-ink); }
.comparison-row > strong::before { content: ""; width: 7px; height: 7px; flex: none; border-radius: 50%; background: var(--color-silver); box-shadow: 0 0 0 4px oklch(88% .008 250 / .1); }
.comparison-head { padding-block: .9rem; }
.comparison-head > span { font-size: var(--text-xs); letter-spacing: .06em; text-transform: uppercase; color: var(--color-muted); }
.comparison-head > span:last-child { color: var(--color-ink); }
@media (hover: hover) { .comparison-row:not(.comparison-head):hover > span:nth-child(2) { color: var(--color-muted); } }

/* ---------- Goals ---------- */
.goals-section { background: oklch(12.8% .003 260 / .94); border-block: 1px solid var(--color-rule); }
.goals-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2.5rem, 6vw, 5.5rem); }
.goal-options { position: relative; display: flex; flex-direction: column; border-top: 1px solid var(--color-rule); }
.goal-options button {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  min-height: 72px;
  padding: 1rem .25rem 1rem 1.4rem;
  border-bottom: 1px solid var(--color-rule);
  text-align: left;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, .95rem + .45vw, 1.3rem);
  letter-spacing: -.02em;
  color: var(--color-muted);
  transition: color var(--dur-normal) var(--ease-out), padding var(--dur-normal) var(--ease-out);
}
.goal-no { font-size: .75rem; letter-spacing: .08em; color: var(--color-faint); }
.goal-arrow { margin-left: auto; display: inline-flex; font-size: 1.15rem; opacity: 0; transform: translate(-6px, 6px); transition: opacity var(--dur-normal) var(--ease-out), transform var(--dur-normal) var(--ease-out); }
.goal-options button[aria-selected="true"] { color: var(--color-ink); }
.goal-options button[aria-selected="true"] .goal-no { color: var(--color-silver); }
.goal-options button[aria-selected="true"] .goal-arrow { opacity: 1; transform: none; }
@media (hover: hover) { .goal-options button:hover { color: var(--color-ink); } }
.goal-indicator {
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: var(--ind-h, 72px);
  background: var(--color-silver);
  transform: translateY(var(--ind-y, 0));
  transition: transform var(--dur-slow) var(--ease-out), height var(--dur-slow) var(--ease-out);
}
.goal-panel {
  position: relative;
  padding: 2.25rem 2.25rem 2rem;
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  overflow: hidden;
}
.goal-symbol { position: absolute; right: 1.25rem; top: 1.25rem; width: 96px; height: 96px; overflow: visible; }
.gs-orbit { fill: none; stroke: var(--color-rule-strong); stroke-width: 1; }
.gs-core { fill: var(--color-silver); }
.gs-node { fill: var(--color-silver); }
.goal-body { position: relative; }
.goal-panel h3 { max-width: 80%; font-size: var(--text-2xl); line-height: 1.2; white-space: pre-line; }
.goal-panel #goal-copy { margin-top: 1rem; max-width: 27rem; font-size: var(--text-sm); }
.goal-measure { display: flex; flex-direction: column; gap: .5rem; margin-block: 1.5rem 1.75rem; padding-top: 1.1rem; border-top: 1px solid var(--color-rule); }
.goal-measure > span { font-size: var(--text-xs); letter-spacing: .1em; text-transform: uppercase; color: var(--color-muted); }
.goal-measure strong { font-weight: 400; font-size: var(--text-sm); color: var(--color-ink); }
.goal-panel.is-switching .goal-body > * { animation: story-in 420ms var(--ease-out) both; }
.goal-panel.is-switching .goal-body > *:nth-child(2) { animation-delay: 40ms; }
.goal-panel.is-switching .goal-body > *:nth-child(3) { animation-delay: 80ms; }
.goal-panel.is-switching .goal-body > *:nth-child(4) { animation-delay: 120ms; }

/* ---------- Network ---------- */
.network-section { background: transparent; }
.network-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
.network-art { position: relative; aspect-ratio: 1; width: 100%; max-width: 480px; justify-self: center; }
.network-orbits { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.n-orbit { fill: none; stroke: var(--color-rule-strong); stroke-width: 1; vector-effect: non-scaling-stroke; }
.n-dot { fill: var(--color-silver); }
.n-core { fill: oklch(18% .004 260); stroke: var(--color-rule-strong); stroke-width: 1; vector-effect: non-scaling-stroke; }
.spin { transform-box: view-box; transform-origin: 0 0; }
.network-art img { position: absolute; left: 50%; top: 50%; width: 58px; transform: translate(-50%, -50%); opacity: .9; }
.network-node {
  position: absolute;
  padding: .4rem .8rem;
  font-size: var(--text-xs);
  color: var(--color-ink);
  background: var(--color-paper);
  border: 1px solid var(--color-rule-strong);
  border-radius: 999px;
}
.node-one { left: 2%; top: 22%; }
.node-two { right: 0; top: 52%; }
.node-three { left: 24%; bottom: 6%; border-color: var(--color-silver-dim); }
.network-copy > p { margin-top: 1.4rem; max-width: 27rem; font-size: var(--text-sm); }
.network-qualities { margin-top: 2rem; display: grid; gap: 0; border-top: 1px solid var(--color-rule-strong); }
.network-qualities > div { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 1.25rem; padding-block: 1rem; border-bottom: 1px solid var(--color-rule); }
.network-qualities strong { font-family: var(--font-display); font-size: var(--text-base); letter-spacing: -.015em; color: var(--color-ink); }
.network-qualities p { font-size: var(--text-xs); line-height: 1.55; }

/* ---------- FAQ ---------- */
.faq-section { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2.5rem, 6vw, 6rem); border-top: 1px solid var(--color-rule); }
.faq-heading > p { margin-top: 1.3rem; font-size: var(--text-sm); }
.faq-list { border-top: 1px solid var(--color-rule-strong); }
.faq-list summary { min-height: 72px; padding-block: 1rem; font-family: var(--font-display); font-size: clamp(1rem, .95rem + .25vw, 1.12rem); letter-spacing: -.015em; color: var(--color-body); transition: color var(--dur-fast) var(--ease-out); }
.faq-list details[open]:not(.is-closing) summary { color: var(--color-ink); }
@media (hover: hover) { .faq-list summary:hover { color: var(--color-ink); } }
.faq-answer > p { padding: 0 3.5rem 1.5rem 0; max-width: 36rem; font-size: var(--text-sm); }

/* ---------- Contact ---------- */
.contact-section { position: relative; background: oklch(18.2% .004 260 / .96); border-top: 1px solid var(--color-rule); overflow: hidden; }
.contact-section::before {
  content: "";
  position: absolute;
  right: -18%;
  top: -40%;
  width: 70%;
  aspect-ratio: 2.4;
  border: 1px solid var(--color-rule);
  border-radius: 50%;
  transform: rotate(-14deg);
  pointer-events: none;
}
.contact-layout { position: relative; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.contact-intro > .section-label { margin-bottom: 1.2rem; }
.contact-intro > p { margin-top: 1.3rem; max-width: 24rem; font-size: var(--text-sm); }
.contact-direct {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 24rem;
  margin-top: 1.8rem;
  padding: .9rem 1rem .9rem .9rem;
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  transition: border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}
.contact-direct small { display: block; margin-top: .15rem; font-size: var(--text-xs); color: var(--color-muted); }
.contact-direct-arrow { margin-left: auto; display: inline-flex; color: var(--color-muted); transition: transform var(--dur-normal) var(--ease-out), color var(--dur-fast); }
@media (hover: hover) { .contact-direct:hover { border-color: var(--color-silver-dim); background: oklch(20% .005 260 / .6); } .contact-direct:hover .contact-direct-arrow { transform: translate(2px, -2px); color: var(--color-ink); } }
.contact-next { list-style: none; margin: 2.2rem 0 0; padding: 0; max-width: 24rem; border-top: 1px solid var(--color-rule); }
.contact-next li { display: flex; align-items: center; gap: 1rem; padding: .9rem 0; border-bottom: 1px solid var(--color-rule); font-size: var(--text-sm); color: var(--color-body); }
.contact-next li > span { font-family: var(--font-display); font-size: .75rem; color: var(--color-silver-dim); }

#brief-form {
  position: relative;
  padding: clamp(1.4rem, 1rem + 2vw, 2.25rem);
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius-md);
  background: oklch(14% .003 260 / .92);
  box-shadow: 0 40px 90px -50px var(--color-shadow);
}
.field { margin-bottom: 1.2rem; min-width: 0; }
.field label { display: block; margin-bottom: .45rem; font-size: var(--text-sm); color: var(--color-body); }
.field label span { font-size: var(--text-xs); color: var(--color-muted); }
input, select, textarea {
  display: block;
  width: 100%;
  min-height: 50px;
  min-width: 0;
  padding: .8rem .9rem;
  background: var(--color-paper);
  color: var(--color-ink);
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius-sm);
  font-size: 1rem; /* 16px: no zoom on iOS */
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), background-color var(--dur-fast);
}
input::placeholder, textarea::placeholder { color: var(--color-faint); }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: none; border-color: var(--color-silver); box-shadow: 0 0 0 3px oklch(90% .012 250 / .18); background: oklch(16.5% .004 260); }
@media (hover: hover) { input:hover, select:hover, textarea:hover { border-color: var(--color-silver-dim); } }
input:user-invalid, select:user-invalid { border-color: var(--color-error); }
textarea { resize: vertical; min-height: 104px; }
.select-wrap { position: relative; }
.select-wrap::after {
  content: "";
  position: absolute;
  right: 1rem;
  top: 50%;
  width: 7px;
  height: 7px;
  border-right: 1px solid var(--color-body);
  border-bottom: 1px solid var(--color-body);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
select { appearance: none; padding-right: 2.5rem; }
select:invalid { color: var(--color-muted); }
option { background: var(--color-paper-raised); color: var(--color-ink); }
.field-hint { display: block; margin-top: .4rem; font-size: var(--text-xs); color: var(--color-muted); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.brief-extra { margin-top: .4rem; border-block: 1px solid var(--color-rule); }
.brief-extra summary { display: flex; justify-content: space-between; align-items: center; min-height: 52px; font-size: var(--text-sm); color: var(--color-body); }
.brief-extra summary > span { font-size: var(--text-xs); color: var(--color-muted); }
.brief-extra summary::after { content: ""; width: 7px; height: 7px; margin-left: .75rem; border-right: 1px solid var(--color-body); border-bottom: 1px solid var(--color-body); transform: rotate(45deg) translateY(-2px); transition: transform var(--dur-normal) var(--ease-out); }
.brief-extra[open] summary::after { transform: rotate(-135deg) translateY(-2px); }
.brief-extra[open] summary { margin-bottom: .6rem; }
.form-footer { display: flex; align-items: center; gap: 1.25rem; margin-top: 1.6rem; }
.form-footer .button { min-height: 52px; padding-inline: 1.5rem; font-size: var(--text-base); }
.form-footer p { font-size: var(--text-xs); color: var(--color-muted); line-height: 1.45; }
.handoff-note { margin-top: 1rem; max-width: 26rem; font-size: var(--text-xs); color: var(--color-muted); }
.form-trap { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
#form-status { margin-top: 1rem; padding: .85rem 1rem; max-width: 30rem; border: 1px solid var(--color-rule-strong); border-left-width: 3px; border-radius: var(--radius-sm); font-size: var(--text-sm); color: var(--color-ink); }
#form-status:empty { display: none; }
#form-status[data-tone="success"] { border-left-color: var(--color-success); }
#form-status[data-tone="error"] { border-left-color: var(--color-error); }

/* ---------- Footer ---------- */
.site-footer { padding-block: 0 1.5rem; }
.footer-top { display: flex; justify-content: space-between; align-items: center; gap: 2rem; padding-block: 2.5rem; }
.footer-top > p { margin-right: auto; margin-left: 2rem; font-size: var(--text-sm); }
.footer-socials { display: flex; align-items: center; gap: 1.25rem; font-size: var(--text-sm); }
.footer-socials > a:not(.social-circle) { display: inline-flex; align-items: center; gap: .65rem; min-height: 44px; white-space: nowrap; }
.footer-socials > a:not(.social-circle) span { display: inline-flex; flex: none; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; padding-top: 1.3rem; border-top: 1px solid var(--color-rule); font-size: var(--text-xs); color: var(--color-muted); }
.footer-bottom a { min-height: 44px; display: inline-flex; align-items: center; margin-block: -.75rem; }

/* ---------- Motion ---------- */
/* Hero entrance: short, layered, text first. Never hides copy for long. */
@media (prefers-reduced-motion: no-preference) {
  .eyebrow { animation: fade-in 500ms var(--ease-out) both; }
  .h1-line { animation: line-up 720ms var(--ease-out) both; }
  .h1-line + br + .h1-line { animation-delay: 90ms; }
  .hero-intro { animation: rise-in 600ms var(--ease-out) 180ms both; }
  .hero-actions { animation: rise-in 600ms var(--ease-out) 260ms both; }
  .hero-focus { animation: fade-in 600ms var(--ease-out) 360ms both; }
  .orbit-line { stroke-dasharray: 1; animation: draw 1600ms var(--ease-out) 150ms both; }
  .orbit-line.o2 { animation-delay: 320ms; }
  .orbit-line.dashed { stroke-dasharray: 2 6; animation: fade-in 1200ms var(--ease-out) 500ms both; }
  .hero-evidence { animation: card-in 800ms var(--ease-out) 240ms both; }
  .case-node { animation: fade-in 600ms var(--ease-out) both; }
  .case-node.n1 { animation-delay: 700ms; }
  .case-node.n2 { animation-delay: 820ms; }
  .case-node.n3 { animation-delay: 940ms; }
  .case-link { animation: fade-in 600ms var(--ease-out) 1000ms both; }
  .orbit-spark { animation: travel 26s linear infinite, fade-in 800ms var(--ease-out) 1200ms both; }
  .orbit-spark.s2 { animation-duration: 38s, 800ms; animation-direction: reverse, normal; }
  .spin-a { animation: spin 70s linear infinite; }
  .spin-b { animation: spin 95s linear infinite reverse; }
  .spin-c { animation: spin 120s linear infinite; }

  /* Paused when off screen or by the motion toggle (classes from app.js) */
  .hero-stage.is-offscreen .orbit-spark,
  .network-art.is-offscreen .spin,
  html.motion-paused .orbit-spark,
  html.motion-paused .spin { animation-play-state: paused; }

  /* Scroll reveals: added by app.js only, so content is visible without JS */
  .js-reveal [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out); }
  .js-reveal .comparison-row[data-reveal] { transform: translateX(-12px); }
  .js-reveal [data-reveal].is-in { opacity: 1; transform: none; }
}
@keyframes fade-in { from { opacity: 0; } }
@keyframes rise-in { from { opacity: 0; transform: translateY(14px); } }
@keyframes line-up { from { opacity: 0; transform: translateY(.35em); clip-path: inset(0 0 100% 0); } to { clip-path: inset(0 0 -20% 0); } }
@keyframes card-in { from { opacity: 0; transform: translateY(18px) scale(.98); } }
@keyframes travel { from { offset-distance: 0%; } to { offset-distance: 100%; } }
@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; animation-delay: 0ms !important; transition-duration: .01ms !important; }
  .orbit-spark { display: none; }
}

/* ---------- Tablet ---------- */
@media (max-width: 1080px) {
  .header-inner { gap: 1rem; }
  .nav-links a { padding-inline: .6rem; }
  .nav-links a::after { left: .6rem; right: .6rem; }
  .hero { grid-template-columns: minmax(0, 1fr) minmax(0, .95fr); }
  .case-panel { grid-template-columns: minmax(0, 1fr) 56px minmax(0, 1fr); }
  .case-measurement { padding-left: 1.75rem; }
  .comparison-row { gap: 1.25rem; }
  .network-qualities > div { grid-template-columns: 1fr; gap: .2rem; }
}

/* Below 1180px the orbit labels would crowd the card: the plate stays as a backdrop,
   the three campaigns become a selector row above the card. */
@media (max-width: 1180px) {
  .hero-stage { aspect-ratio: auto; display: grid; gap: 1rem; align-content: center; padding-block: 1rem; max-width: 520px; }
  .orbit-plate { inset: -12% -16% auto; height: auto; aspect-ratio: 600 / 560; opacity: .75; }
  .case-link { display: none; }
  .case-nodes { position: relative; inset: auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .5rem; pointer-events: auto; }
  .case-node, .case-node.n1, .case-node.n2, .case-node.n3 {
    position: relative;
    left: auto;
    top: auto;
    transform: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    min-height: 64px;
    padding: .6rem .25rem;
    white-space: normal;
    text-align: center;
    line-height: 1.25;
    border: 1px solid var(--color-rule);
    border-radius: var(--radius-sm);
    background: oklch(15.1% .003 260 / .85);
    transition: border-color var(--dur-normal) var(--ease-out), color var(--dur-fast) var(--ease-out);
  }
  .case-node[aria-pressed="true"] { border-color: var(--color-silver-dim); }
  .hero-evidence { position: relative; left: auto; top: auto; bottom: auto; width: 100%; }
}
@media (max-width: 1180px) and (prefers-reduced-motion: no-preference) {
  .hero-evidence { animation-name: rise-in; }
}

/* Compact header: menu panel from here down */
@media (max-width: 900px) {
  /* Telegram iOS paints scrolled content above its unclipped WKWebView frame.
     The sticky box's own background covers that strip during momentum scrolling;
     fixed elements and negative-offset children are clipped or lag behind.
     It occupies no flow space and stays entirely above normal browser viewports. */
  .webview-top-cover {
    display: block;
    position: sticky;
    top: -200px;
    height: 200px;
    margin-top: -200px;
    z-index: 41;
    background: var(--color-paper);
    pointer-events: none;
  }
  /* backdrop-filter would make the header the containing block of the fixed menu panel */
  .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--color-paper); }
  .header-inner { gap: .75rem; }
  /* Variant 09 (owner's choice): logo, a quiet Telegram glyph and a two-line menu icon,
     no frames. A silver orbit arc replaces the bottom rule. All items share one centre line;
     glyphs sit in 44px tap areas, pulled out so their visible edges meet the gutter. */
  .site-header { border-bottom: 0; }
  .site-header::after {
    content: "";
    position: absolute;
    left: -20%;
    right: -20%;
    top: calc(100% - 4px);
    height: 22px;
    border-top: 1px solid oklch(88% .008 250 / .42);
    border-radius: 50% 50% 0 0 / 100% 100% 0 0;
    -webkit-mask-image: linear-gradient(90deg, transparent 8%, #000 30%, #000 70%, transparent 92%);
    mask-image: linear-gradient(90deg, transparent 8%, #000 30%, #000 70%, transparent 92%);
    pointer-events: none;
  }
  .header-inner { gap: 0; }
  .brand { order: 0; gap: .6rem; margin-left: -3px; } /* the mark's artwork starts ~3px in */
  .brand img { width: 24px; height: 29px; }
  .brand > span { font-size: .95rem; }
  .brand-sub { margin-top: 5px; font-size: .58rem; }
  .header-cta { order: 1; margin-left: auto; margin-right: .5rem; min-height: 40px; padding: .45rem .95rem; font-size: .875rem; }
  .header-telegram { order: 2; }
  .menu-toggle { order: 3; }
  .header-telegram,
  .menu-toggle {
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: none;
    box-shadow: none;
    color: var(--color-ink);
    transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
  }
  .header-telegram svg { width: 21px; height: 21px; }
  .menu-toggle { margin-right: -10px; } /* icon is 24px wide: visible edge on the gutter */
  .header-telegram:active, .menu-toggle:active { background: oklch(22% .005 260); transform: none; }
  .menu-word { display: none; }
  .menu-icon { display: grid; gap: 7px; width: 24px; }
  .menu-icon span { display: block; height: 1.5px; border-radius: 1px; background: currentColor; transition: transform var(--dur-normal) var(--ease-out), width var(--dur-normal) var(--ease-out); }
  .menu-icon span:last-child { width: 16px; justify-self: end; }
  .menu-toggle[aria-expanded="true"] .menu-icon span:first-child { transform: translateY(4.25px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-icon span:last-child { width: 24px; transform: translateY(-4.25px) rotate(-45deg); }
  @media (hover: hover) {
    .header-telegram:hover, .menu-toggle:hover { color: var(--color-silver); }
  }
  /* The open menu sits on a faint orbit drawing (decorative, image only) */
  body #main-nav {
    border-top: 0;
    background:
      url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 400'%3E%3Cg transform='translate(200 200)' fill='none' stroke='%233b3e44'%3E%3Cellipse rx='190' ry='70' transform='rotate(-18)'/%3E%3Cellipse rx='150' ry='150' stroke-dasharray='2 6'/%3E%3Cellipse rx='70' ry='180' transform='rotate(-26)'/%3E%3C/g%3E%3Ccircle cx='378' cy='139' r='3' fill='%23dfe3e8'/%3E%3C/svg%3E") right -120px bottom 40px / 420px no-repeat,
      var(--color-paper);
  }
  /* Menu items carry the same numbering as services and goals */
  .nav-links { counter-reset: nav; }
  .nav-links a::before { counter-increment: nav; content: "0" counter(nav); width: 2.6rem; flex: none; font-family: var(--font-body); font-size: .75rem; letter-spacing: .08em; color: var(--color-faint); }
  #main-nav {
    position: fixed;
    left: 0;
    right: 0;
    top: var(--header-h);
    bottom: 0;
    z-index: 39;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    margin: 0;
    padding: 1.25rem var(--gutter) calc(1.5rem + env(safe-area-inset-bottom));
    overflow-y: auto;
    overscroll-behavior-y: contain;
    background: var(--color-paper);
    border-top: 1px solid var(--color-rule);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity var(--dur-normal) var(--ease-out), transform var(--dur-normal) var(--ease-out), visibility 0s linear var(--dur-normal);
  }
  #main-nav.is-open { visibility: visible; opacity: 1; transform: none; transition-delay: 0s; }
  .nav-links { flex-direction: column; gap: 0; }
  .nav-links a { display: flex; align-items: center; min-height: 64px; padding: 0; border-bottom: 1px solid var(--color-rule); font-family: var(--font-display); font-size: 1.6rem; letter-spacing: -.03em; color: var(--color-ink); }
  .nav-links a::after { display: none; }
  .nav-actions { display: grid; gap: .75rem; margin-top: auto; padding-top: 1.5rem; }
  .nav-actions .button { min-height: 54px; font-size: var(--text-base); }
  .nav-telegram { display: inline-flex; align-items: center; justify-content: center; gap: .65rem; min-height: 50px; border: 1px solid var(--color-rule-strong); border-radius: var(--radius-sm); font-size: var(--text-base); }
  .nav-links, .nav-actions { flex-shrink: 0; }
  /* Lock the viewport: overflow:hidden on body breaks the sticky header after scrolling. */
  html.menu-open { overflow: hidden; }
}
@media (max-width: 900px) and (prefers-reduced-motion: no-preference) {
  #main-nav.is-open .nav-links a { animation: rise-in 420ms var(--ease-out) both; }
  #main-nav.is-open .nav-links a:nth-child(2) { animation-delay: 40ms; }
  #main-nav.is-open .nav-links a:nth-child(3) { animation-delay: 80ms; }
  #main-nav.is-open .nav-links a:nth-child(4) { animation-delay: 120ms; }
}

@media (max-width: 860px) {
  .hero { grid-template-columns: minmax(0, 1fr); min-height: 0; padding-top: 2.5rem; row-gap: 2rem; }
  .hero h1 { max-width: 13ch; }
  .hero-stage { justify-self: center; max-width: 560px; }
  .services-layout, .goals-layout, .network-layout, .contact-layout, .faq-section, .about-section { grid-template-columns: minmax(0, 1fr); }
  .services-intro { position: static; }
  .service-signature { display: none; }
  .about-section { align-items: start; gap: 1.6rem; }
  .network-art { max-width: 400px; order: 2; }
  .faq-section { gap: 2rem; }
}

/* ---------- Phone ---------- */
@media (max-width: 640px) {
  .header-cta { display: none; }
  .header-telegram { margin-left: auto; }
  .hero { padding-top: 2rem; }
  .eyebrow { font-size: .75rem; letter-spacing: .08em; margin-bottom: 1.2rem; }
  .eyebrow::before { display: none; }
  .hero-intro { font-size: var(--text-base); margin-top: 1.2rem; }
  .hero-actions { margin-top: 1.6rem; gap: 1rem 1.25rem; }
  .hero-primary-actions { width: 100%; }
  .hero-primary-actions .button { flex: 1; }
  /* The proof card below already links to the results */
  .hero-actions .text-link { display: none; }


  /* Phone hero: one quiet proof line, not a second results block. The full cases and
     the case switcher live in Results right below. */
  .hero-stage { padding-block: .25rem 0; }
  .orbit-plate { inset: -55% -10% auto; opacity: .45; }
  .case-nodes, .evidence-top, .evidence-pair { display: none; }
  /* Performance on phones: a blur over the live canvas is recomputed every frame */
  .hero-evidence { backdrop-filter: none; -webkit-backdrop-filter: none; background: oklch(16% .004 260 / .96); }
  .orbit-spark { display: none; }
  .spin { animation: none !important; }
  .hero-evidence {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 1rem;
    align-items: center;
    padding: .95rem 1.1rem .1rem;
  }
  .evidence-value { grid-column: 1; grid-row: 1 / 3; margin: 0; font-size: 2.4rem; }
  .hero-evidence h2 { grid-column: 2; grid-row: 1; margin: 0; align-self: end; font-size: .95rem; }
  .evidence-label { grid-column: 2; grid-row: 2; margin: 0; align-self: start; font-size: .8125rem; color: var(--color-muted); }
  .evidence-link { grid-column: 1 / -1; margin-top: .75rem; }
  .section-heading { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .case-tabs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .case-tabs button { flex-direction: column; gap: .25rem; min-height: 72px; padding-right: .5rem; font-size: .95rem; line-height: 1.25; }
  .case-panel { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .case-bridge { display: none; }
  .case-story { padding: 1.75rem 0 1.5rem; }
  .case-measurement { padding: 1.5rem 0 1.75rem; border-left: 0; border-top: 1px solid var(--color-rule); }
  .metric-pair { gap: .75rem; }
  .metric-pair strong { font-size: 1.5rem; }
  .campaign-prompt { flex-direction: column; align-items: flex-start; gap: 1.25rem; padding: 1.4rem; }
  .campaign-prompt-actions { width: 100%; gap: .75rem 1.25rem; }
  .campaign-prompt-actions .button { flex: 1 1 100%; }

  .service-list summary { min-height: 68px; }
  .service-no { width: 2rem; }
  .service-content { padding: 0 .5rem 1.4rem 3rem; }

  /* Phone: one column per decision. The header becomes a legend (● Octo, — placement-first);
     each row reads label → Octo answer → the usual answer, all on one left edge. */
  .comparison-head { display: flex; flex-wrap: wrap; gap: .4rem 1.25rem; padding-block: .85rem; }
  .comparison-head > span:first-child { display: none; }
  .comparison-head > span:last-child { order: -1; }
  .comparison-head > span { display: inline-flex; align-items: center; gap: .5rem; font-size: .75rem; }
  .comparison-head > span:last-child::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--color-silver); }
  .comparison-head > span:nth-child(2)::before { content: ""; width: 10px; height: 1px; background: var(--color-faint); }
  .comparison-row:not(.comparison-head) { display: grid; grid-template-columns: minmax(0, 1fr); gap: .45rem; padding-block: 1.15rem; }
  .comparison-row > strong { order: 1; gap: .65rem; font-size: 1rem; line-height: 1.35; }
  .comparison-row > strong::before { width: 6px; height: 6px; }
  .comparison-row:not(.comparison-head) > span:nth-child(2) { order: 2; display: flex; align-items: center; gap: .65rem; font-size: var(--text-xs); line-height: 1.45; color: var(--color-muted); }
  .comparison-row:not(.comparison-head) > span:nth-child(2)::before { content: ""; width: 6px; height: 1px; flex: none; background: var(--color-faint); }

  .goal-options button { min-height: 60px; padding-left: 1.1rem; }
  .goal-panel { padding: 1.6rem 1.25rem 1.4rem; }
  .goal-symbol { width: 64px; height: 64px; right: .9rem; top: .9rem; }
  .goal-panel h3 { max-width: 78%; }
  #choose-goal { width: 100%; }

  .network-qualities > div { padding-block: .85rem; }
  .faq-answer > p { padding-right: 0; }

  .contact-direct { max-width: none; }
  .contact-next { display: none; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-footer { flex-direction: column; align-items: stretch; gap: .75rem; }
  .form-footer .button { width: 100%; }

  .footer-top { flex-wrap: wrap; gap: 1.25rem; padding-block: 2rem 1.5rem; }
  .footer-top > p { order: 3; width: 100%; margin: 0; }
  .footer-socials { margin-left: auto; gap: .75rem; font-size: var(--text-xs); }
  .hero-foot { flex-wrap: wrap; gap: .25rem 1rem; }
  .hero-foot > span { flex-basis: 100%; }
  .hero-foot-actions { width: 100%; justify-content: space-between; }
  .hero-foot a { white-space: nowrap; }
}

@media (max-width: 360px) {
  .hero h1 { font-size: 2.15rem; }
  #brief-form { padding: 1.1rem; }
  .brand > span { font-size: .98rem; }
  .hero-primary-actions .button { gap: .6rem; padding-inline: 1rem; }
  .case-tabs button { font-size: .85rem; }
  .case-node { font-size: .75rem; }
  .footer-socials > a:not(.social-circle) { font-size: .75rem; }
}