/* =========================================================
   LevelViral v2 — creative studio for mobile-game UA
   Register: BRAND. Stricter neo-grotesque. Paper + ink + vermillion.
   ========================================================= */

:root {
  /* — Color tokens (OKLCH) — */
  --paper:        oklch(0.972 0.012 70);     /* warm cream base */
  --paper-2:      oklch(0.945 0.014 70);
  --paper-3:      oklch(0.905 0.018 65);
  --ink:          oklch(0.150 0.018 270);
  --ink-2:        oklch(0.340 0.018 270);
  --ink-mute:     oklch(0.510 0.012 270);
  --rule:         oklch(0.840 0.012 65);
  --rule-2:       oklch(0.720 0.013 65);
  --surface:      oklch(0.118 0.014 270);
  --surface-2:    oklch(0.190 0.015 270);
  --accent:       oklch(0.625 0.205 30);
  --accent-2:     oklch(0.555 0.215 28);
  --accent-soft:  oklch(0.625 0.205 30 / 0.10);
  --accent-ink:   oklch(0.985 0.006 65);
  --good:         oklch(0.650 0.150 145);

  /* — Type: stricter neo-grotesque (General Sans) for everything but mono — */
  --font-display: "General Sans", -apple-system, BlinkMacSystemFont, "Inter", system-ui, sans-serif;
  --font-body:    "General Sans", -apple-system, BlinkMacSystemFont, "Inter", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* — Scale — */
  --fs-mono:      0.74rem;
  --fs-eyebrow:   0.72rem;
  --fs-body:      1.02rem;
  --fs-lede:      1.18rem;
  --fs-h3:        clamp(1.35rem, 1.0rem + 1.0vw, 1.85rem);
  --fs-h2:        clamp(2.2rem, 1.0rem + 4.2vw, 4.6rem);
  --fs-h1:        clamp(2.8rem, 1.2rem + 6.2vw, 6.6rem);

  /* — Space — */
  --gap-section:  clamp(5rem, 2rem + 7vw, 10rem);
  --gap-block:    clamp(2rem, 1rem + 3vw, 4rem);

  /* — Layout — */
  --maxw:         1320px;
  --pad-x:        clamp(1.2rem, 0.5rem + 3vw, 3rem);

  /* — Motion — */
  --ease:         cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft:    cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
*::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.55;
  font-feature-settings: "ss01", "ss02", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

html { scroll-behavior: smooth; }

img, video { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: var(--ink); color: var(--paper); }

/* =========================================================
   TYPOGRAPHY — strict neo-grotesque
   ========================================================= */
.display {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-h2);
  line-height: 1.04;
  letter-spacing: -0.022em;
  color: var(--ink);
  margin: 0;
  text-wrap: balance;
}
h1.display {
  font-size: var(--fs-h1);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 0.98;
}
.display em {
  font-style: normal;
  color: var(--accent);
  font-weight: 500;
}

h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-h3);
  line-height: 1.18;
  letter-spacing: -0.018em;
  margin: 0 0 0.5em 0;
  color: var(--ink);
}

p { margin: 0 0 1em 0; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-mute);
  margin: 0 0 1.4rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
}
.eyebrow::before {
  content: "";
  width: 1.8em;
  height: 1px;
  background: var(--rule-2);
}

.mono { font-family: var(--font-mono); font-size: var(--fs-mono); font-weight: 500; }

.lede {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--fs-lede);
  line-height: 1.45;
  letter-spacing: -0.005em;
  color: var(--ink-2);
  max-width: 44ch;
  margin-bottom: 2rem;
}

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.85em 1.4em;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.94rem;
  letter-spacing: -0.005em;
  cursor: pointer;
  transition: background 280ms var(--ease), color 280ms var(--ease),
              border-color 280ms var(--ease), transform 240ms var(--ease);
  will-change: transform;
  white-space: nowrap;
}
.btn--lg { padding: 1.0em 1.65em; font-size: 0.98rem; }
.btn--xl { padding: 1.2em 2.1em; font-size: 1.02rem; }
.btn--block { width: 100%; justify-content: center; }

.btn--primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.btn--primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule-2);
}
.btn--ghost:hover {
  border-color: var(--ink);
  background: var(--paper-2);
  transform: translateY(-1px);
}

/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 1rem var(--pad-x);
  background: color-mix(in oklch, var(--paper) 78%, transparent);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color 280ms var(--ease), background 280ms var(--ease);
}
.nav[data-nav-scrolled] {
  border-bottom-color: var(--rule);
  background: color-mix(in oklch, var(--paper) 92%, transparent);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-display);
  font-size: 1.10rem;
  font-weight: 600;
  letter-spacing: -0.020em;
  color: var(--ink);
}
.brand__mark {
  width: 1.55em;
  height: 1.55em;
  display: inline-grid;
  place-items: center;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 6px;
  flex: none;
}
.nav__links {
  display: flex;
  gap: 2rem;
  justify-content: center;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-2);
}
.nav__links a {
  position: relative;
  padding: 0.3rem 0;
}
.nav__links a:hover { color: var(--ink); }
.nav__links a::after {
  content: "";
  position: absolute;
  inset: auto 0 -2px 0;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 360ms var(--ease);
}
.nav__links a:hover::after { transform: scaleX(1); }
.nav__cta { justify-self: end; }

@media (max-width: 880px) {
  .nav__links { display: none; }
}
@media (max-width: 520px) {
  .nav { grid-template-columns: 1fr auto; padding: 0.85rem var(--pad-x); }
  .nav__cta { padding: 0.7em 1.1em; font-size: 0.88rem; }
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  padding: clamp(2.5rem, 1rem + 4vw, 5rem) var(--pad-x) 0;
  position: relative;
  overflow: clip;
}
.hero__grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(2rem, 1rem + 3vw, 5rem);
  align-items: center;
  min-height: 80vh;
  padding-bottom: clamp(3rem, 1rem + 4vw, 5rem);
}
.hero__copy { padding-top: 1rem; }
.hero__cta {
  display: flex;
  gap: 0.8rem;
  margin: 1.4rem 0 2rem 0;
  flex-wrap: wrap;
}
.hero__trust {
  font-size: 0.92rem;
  color: var(--ink-mute);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  margin: 0;
}
.hero__trust strong { color: var(--ink); font-weight: 600; }
.dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--good) 25%, transparent);
}

.hero__stage {
  position: relative;
  aspect-ratio: 7/5;
  min-height: 480px;
}
.hero__rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.0rem;
  height: 100%;
  align-items: center;
  transform: rotate(-2deg);
}
.phone {
  position: relative;
  aspect-ratio: 9/16;
  border-radius: 18px;
  overflow: hidden;
  background: var(--surface);
  box-shadow:
    0 1px 0 0 oklch(0 0 0 / 0.05),
    0 18px 38px -14px oklch(0 0 0 / 0.20),
    0 32px 80px -32px oklch(0 0 0 / 0.20);
  margin: 0;
  transition: transform 600ms var(--ease), box-shadow 600ms var(--ease);
}
.phone video {
  width: 100%; height: 100%;
  object-fit: cover;
}
.phone figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  width: 1px; height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.phone--a { transform: translateY(1.8rem) rotate(-1deg); }
.phone--b { transform: translateY(-1.4rem) rotate(0.8deg) scale(1.05); z-index: 2; }
.phone--c { transform: translateY(2.4rem) rotate(2deg); }
.phone--lead { box-shadow:
    0 1px 0 0 var(--accent),
    0 24px 48px -16px oklch(0 0 0 / 0.30),
    0 40px 90px -30px color-mix(in oklch, var(--accent) 28%, transparent); }

.hero__chip {
  position: absolute;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 0.7em 0.95em;
  box-shadow: 0 12px 30px -16px oklch(0 0 0 / 0.18);
  display: flex;
  flex-direction: column;
  gap: 0.18em;
  z-index: 3;
  max-width: 16rem;
  white-space: nowrap;
}
.hero__chip .chip__label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.hero__chip .chip__value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.hero__chip .up { color: var(--good); font-style: normal; font-size: 0.78em; margin-left: 0.4em; font-weight: 500; }
.hero__chip--top { top: -1.8rem; left: -1rem; transform: rotate(-3deg); }
.hero__chip--bottom { bottom: -1.4rem; right: -1.4rem; transform: rotate(2deg); }

@media (max-width: 980px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    min-height: auto;
  }
  .hero__stage { min-height: 440px; aspect-ratio: auto; height: 62vh; }
  .hero__chip { max-width: 13rem; }
}
@media (max-width: 560px) {
  .hero__rail { gap: 0.55rem; }
  .hero__chip { max-width: none; white-space: normal; padding: 0.55em 0.8em; }
  .hero__chip .chip__value { font-size: 0.96rem; }
  .hero__chip--top { top: -0.8rem; left: 0.3rem; }
  .hero__chip--bottom { bottom: -0.6rem; right: 0.3rem; }
}

/* =========================================================
   SECTION
   ========================================================= */
.section {
  padding: var(--gap-section) var(--pad-x);
  max-width: var(--maxw);
  margin: 0 auto;
  position: relative;
}
.section__head {
  margin-bottom: var(--gap-block);
  max-width: 980px;
}
.section__head--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
.section__head--center .eyebrow { justify-content: center; }
.section__head--center .eyebrow::before { display: none; }
.section__sub {
  font-size: 1.05rem;
  color: var(--ink-mute);
  max-width: 64ch;
  margin-top: 1.4rem;
  line-height: 1.55;
}
.section__head--center .section__sub { margin-left: auto; margin-right: auto; }

.section + .section { border-top: 1px solid var(--rule); }

/* =========================================================
   PROBLEM
   ========================================================= */
.problem__lead {
  font-size: 1.1rem;
  color: var(--ink-2);
  max-width: 56ch;
  margin: 0 0 2.5rem 0;
  font-weight: 400;
  line-height: 1.55;
}
.problems {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
}
.problems li {
  padding: 2.5rem 2rem 2.5rem 0;
  border-bottom: 1px solid var(--rule);
  position: relative;
}
.problems li + li {
  border-left: 1px solid var(--rule);
  padding-left: 2rem;
}
.problems__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 0 0 1.4rem 0;
}
.problems h3 {
  font-size: clamp(1.35rem, 0.9rem + 1.3vw, 1.85rem);
  margin-bottom: 0.5em;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.18;
}
.problems p {
  color: var(--ink-mute);
  font-size: 1.0rem;
  line-height: 1.55;
  max-width: 40ch;
}
@media (max-width: 860px) {
  .problems { grid-template-columns: 1fr; }
  .problems li + li { border-left: 0; padding-left: 0; }
  .problems li { padding-right: 0; }
}

/* =========================================================
   APPROACH (4 pillars)
   ========================================================= */
.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
}
.pillar {
  background: var(--paper);
  padding: clamp(1.8rem, 0.8rem + 2vw, 3rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background 320ms var(--ease);
}
.pillar:hover { background: var(--paper-2); }
.pillar__tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin: 0;
}
.pillar h3 {
  font-size: clamp(1.45rem, 1rem + 1.2vw, 2rem);
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.18;
}
.pillar p {
  color: var(--ink-mute);
  max-width: 50ch;
  line-height: 1.55;
}
@media (max-width: 760px) {
  .pillars { grid-template-columns: 1fr; }
}

/* =========================================================
   SHOWCASE
   ========================================================= */
.grid--showcase {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 17rem;
  gap: 0.9rem;
}
.tile {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 14px;
  background: var(--surface);
  cursor: pointer;
  isolation: isolate;
  transition: transform 700ms var(--ease), box-shadow 700ms var(--ease);
  will-change: transform;
}
.tile video, .tile img {
  width: 100%; height: 100%;
  object-fit: cover;
  /* 9:16 sources cropped into varied tile aspects — favour the top of the frame
     where faces and key focal points usually live */
  object-position: 50% 30%;
  transition: transform 1200ms var(--ease-soft), opacity 360ms var(--ease);
}
/* Wide tiles crop more aggressively vertically — bias toward the top */
.tile--wide video, .tile--wide img { object-position: 50% 18%; }
/* Tall tiles fit ~9:16 naturally — keep centred */
.tile--tall video, .tile--tall img { object-position: 50% 50%; }
/* Per-creative overrides for known off-centre subjects */
.tile[data-focus="top"]    video { object-position: 50% 8%; }
.tile[data-focus="top-right"] video { object-position: 72% 18%; }
.tile[data-focus="right"]  video { object-position: 70% 40%; }
.tile[data-focus="bottom"] video { object-position: 50% 70%; }
.tile:hover { transform: translateY(-2px); box-shadow: 0 24px 50px -22px oklch(0 0 0 / 0.30); }
.tile:hover video { transform: scale(1.04); }
.tile--tall { grid-row: span 2; }
.tile--wide { grid-column: span 2; }
.tile figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.6rem 1.1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  color: var(--paper);
  background: linear-gradient(180deg, transparent 0%, oklch(0 0 0 / 0.55) 35%, oklch(0 0 0 / 0.94) 95%);
  z-index: 2;
  pointer-events: none;
}
.tile__world {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 0.22em 0.55em;
  margin-bottom: 0.25rem;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--paper);
  border: 1px solid color-mix(in oklch, var(--paper) 40%, transparent);
  border-radius: 999px;
  background: color-mix(in oklch, var(--paper) 8%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.tile[data-world="train-ride"] .tile__world {
  color: oklch(0.82 0.08 30);
  border-color: oklch(0.66 0.18 30 / 0.55);
}
.tile[data-world="genshin"] .tile__world {
  color: oklch(0.85 0.07 290);
  border-color: oklch(0.70 0.16 290 / 0.55);
}
.tile[data-world="merge-dale"] .tile__world {
  color: oklch(0.85 0.10 150);
  border-color: oklch(0.68 0.18 150 / 0.55);
}
.tile__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.0rem;
  letter-spacing: -0.015em;
}
.tile__meta {
  color: color-mix(in oklch, var(--paper) 75%, transparent);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
@media (max-width: 1080px) {
  .grid--showcase { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 16rem; }
}
@media (max-width: 720px) {
  .grid--showcase { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 14rem; }
  .tile--wide { grid-column: span 2; }
  .tile--tall { grid-row: span 1; }
}
@media (max-width: 460px) {
  .grid--showcase { grid-template-columns: 1fr; grid-auto-rows: 22rem; }
  .tile--tall, .tile--wide { grid-row: auto; grid-column: auto; }
}
.showcase__more {
  margin-top: 1.6rem;
  color: var(--ink-mute);
  font-size: 0.92rem;
  font-weight: 400;
}
.showcase__more .mono { color: var(--accent); margin-right: 0.6rem; }

/* =========================================================
   HOW WE ENGAGE — 4-step timeline
   ========================================================= */
.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.timeline li {
  padding: 2.4rem 1.6rem 2.4rem 1.6rem;
  border-right: 1px solid var(--rule);
  position: relative;
  background: var(--paper);
  transition: background 320ms var(--ease);
}
.timeline li:last-child { border-right: 0; }
.timeline li:hover { background: var(--paper-2); }
.timeline li::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 22px;
  height: 8px;
  background: var(--accent);
}
.timeline__day {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 500;
  color: var(--accent);
  margin: 0 0 1.2rem 0;
}
.timeline h3 {
  font-size: 1.18rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin-bottom: 0.4rem;
}
.timeline p { font-size: 0.95rem; color: var(--ink-mute); line-height: 1.55; }
@media (max-width: 1080px) {
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .timeline li { border-bottom: 1px solid var(--rule); }
  .timeline li:nth-child(even) { border-right: 0; }
  .timeline li:nth-child(odd) { border-right: 1px solid var(--rule); }
  .timeline li:last-child { border-bottom: 0; }
}
@media (max-width: 560px) {
  .timeline { grid-template-columns: 1fr; }
  .timeline li:nth-child(odd), .timeline li:nth-child(even) { border-right: 0; }
}

/* =========================================================
   OUTCOMES
   ========================================================= */
.outcomes__grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
}
.outcomes__grid li {
  background: var(--paper);
  padding: clamp(1.8rem, 0.8rem + 2vw, 2.6rem);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  transition: background 320ms var(--ease);
}
.outcomes__grid li:hover { background: var(--paper-2); }
.outcomes__label {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.4rem 0;
}
.outcomes__grid h3 {
  font-size: clamp(1.3rem, 0.9rem + 1.1vw, 1.7rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0;
}
.outcomes__grid p {
  color: var(--ink-mute);
  max-width: 48ch;
  line-height: 1.55;
}
@media (max-width: 760px) {
  .outcomes__grid { grid-template-columns: 1fr; }
}

/* =========================================================
   CLOSE PULL-QUOTE
   ========================================================= */
.closepull {
  text-align: center;
  padding: var(--gap-section) var(--pad-x);
}
.closepull blockquote {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.8rem, 1.0rem + 3vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.028em;
  margin: 0 auto;
  max-width: 22ch;
  color: var(--ink);
  text-wrap: balance;
}
.closepull blockquote em {
  font-style: normal;
  color: var(--accent);
  font-weight: 500;
}
.closepull__attr {
  margin-top: 1.6rem;
  color: var(--ink-mute);
  letter-spacing: 0.08em;
}

/* =========================================================
   CONTACT / CTA
   ========================================================= */
.book {
  padding: 0 var(--pad-x);
  max-width: var(--maxw);
}
.book__inner {
  background: var(--ink);
  color: var(--paper);
  border-radius: 28px;
  padding: clamp(3rem, 1.5rem + 4vw, 6rem) clamp(2rem, 1rem + 3vw, 5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.book__inner::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto auto;
  width: 65%;
  aspect-ratio: 1;
  background: radial-gradient(circle, color-mix(in oklch, var(--accent) 80%, transparent), transparent 60%);
  filter: blur(20px);
  z-index: -1;
  opacity: 0.55;
}
.book .eyebrow { color: oklch(0.72 0.05 30); }
.book .eyebrow::before { background: oklch(0.50 0.05 30); }
.book .display { color: var(--paper); font-weight: 500; }
.book .display em { color: var(--accent); }
.book__sub {
  max-width: 56ch;
  margin: 1.4rem auto 2.4rem;
  color: oklch(0.82 0.01 65);
  font-size: 1.06rem;
  line-height: 1.55;
}
.book__cta {
  display: flex;
  justify-content: center;
  gap: 0.9rem;
  flex-wrap: wrap;
}
.book__cta .btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}
.book__cta .btn--primary:hover {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}
.book__cta .btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: oklch(0.45 0.01 270);
}
.book__cta .btn--ghost:hover {
  border-color: var(--paper);
  background: oklch(0.20 0.015 270);
}
.book__trust {
  margin-top: 2.4rem;
  color: oklch(0.65 0.01 65);
  letter-spacing: 0.06em;
}

/* =========================================================
   FOOTER
   ========================================================= */
.foot {
  padding: 2.5rem var(--pad-x) 3rem;
  border-top: 1px solid var(--rule);
  margin-top: var(--gap-section);
}
.foot__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.foot__line { color: var(--ink-mute); font-size: 0.9rem; margin: 0; }
.foot__line a { border-bottom: 1px solid var(--rule-2); }
.foot__line a:hover { color: var(--ink); border-color: var(--ink); }

/* =========================================================
   LIGHTBOX
   ========================================================= */
.lightbox {
  border: 0;
  padding: 0;
  background: transparent;
  max-width: min(560px, 90vw);
  max-height: 90vh;
  width: auto;
  margin: auto;
  color: var(--paper);
}
.lightbox::backdrop {
  background: oklch(0.05 0.01 270 / 0.86);
  backdrop-filter: blur(10px);
}
.lightbox[open] {
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 0.8rem;
  animation: lightbox-in 360ms var(--ease);
}
@keyframes lightbox-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.lightbox__video {
  width: 100%;
  height: auto;
  max-height: 80vh;
  background: black;
  border-radius: 12px;
}
.lightbox__cap {
  text-align: center;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: oklch(0.85 0.01 65);
}
.lightbox__close {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: oklch(0.18 0.01 270);
  border: 1px solid oklch(0.30 0.01 270);
  color: var(--paper);
  font-size: 1.4rem;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background 240ms var(--ease);
}
.lightbox__close:hover { background: var(--accent); border-color: var(--accent); }

/* =========================================================
   SCROLL-IN ANIMATIONS
   ========================================================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 900ms var(--ease), transform 900ms var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
[data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .phone { transition: none !important; }
}

/* =========================================================
   SIGNAL (diagnostics + market read)
   ========================================================= */
.signal__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
}
.signal__col {
  background: var(--paper);
  padding: clamp(1.8rem, 0.8rem + 2vw, 2.8rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background 320ms var(--ease);
}
.signal__col:hover { background: var(--paper-2); }
.signal__tag {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
}
.signal__col-h {
  font-size: clamp(1.35rem, 0.95rem + 1.2vw, 1.8rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0;
  color: var(--ink);
}
.signal__col-sub {
  color: var(--ink-mute);
  font-size: 1.0rem;
  line-height: 1.55;
  max-width: 50ch;
  margin: 0 0 0.4rem 0;
}
.signal__list {
  list-style: none;
  margin: 0.4rem 0 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}
.signal__list li {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule);
}
.signal__list li:last-child { border-bottom: 0; }
.signal__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--accent);
}
.signal__item {
  font-size: 1.0rem;
  line-height: 1.45;
  color: var(--ink-2);
  letter-spacing: -0.005em;
}
@media (max-width: 860px) {
  .signal__grid { grid-template-columns: 1fr; }
}

.signal__lift {
  margin-top: clamp(2.5rem, 1rem + 3vw, 4rem);
  padding-top: clamp(2rem, 0.8rem + 2vw, 3rem);
  border-top: 1px solid var(--rule);
}
.signal__lift-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 1.4rem;
}
.lift {
  background: var(--paper);
  padding: clamp(1.4rem, 0.7rem + 1.4vw, 2.2rem);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: background 320ms var(--ease);
}
.lift:hover { background: var(--paper-2); }
.lift__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0;
}
.lift__delta {
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.2rem + 2vw, 2.9rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0.2rem 0 0.5rem 0;
  color: var(--ink);
}
.lift__delta em {
  font-style: normal;
  color: var(--accent);
  font-weight: 600;
}
.lift__note {
  color: var(--ink-mute);
  font-size: 0.92rem;
  line-height: 1.5;
  margin: 0;
  max-width: 32ch;
}
@media (max-width: 760px) {
  .signal__lift-row { grid-template-columns: 1fr; }
}

/* =========================================================
   BRAND PARENT TAG (nav)
   ========================================================= */
.brand__parent {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding: 0.1rem 0 0 0.7rem;
  margin-left: 0.55rem;
  border-left: 1px solid var(--rule);
  transition: color 220ms var(--ease);
}
.brand__parent:hover { color: var(--accent); }
.brand__parent-arrow { font-size: 0.78rem; opacity: 0.65; }
@media (max-width: 720px) {
  .brand__parent { display: none; }
}

/* =========================================================
   FOUNDER
   ========================================================= */
.founder__card {
  display: grid;
  grid-template-columns: minmax(280px, 360px) 1fr;
  gap: clamp(2rem, 1rem + 3vw, 4rem);
  align-items: start;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: clamp(2rem, 1rem + 2vw, 3.5rem) 0;
}
.founder__portrait {
  margin: 0;
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  background: linear-gradient(135deg, var(--paper-2), var(--paper-3));
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 60px -28px color-mix(in oklch, var(--ink) 50%, transparent);
}
.founder__portrait::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 14px;
  box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--ink) 12%, transparent);
  pointer-events: none;
}
.founder__portrait img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 25%;
}
.founder__body {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding-top: 0.2rem;
}
.founder__role {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
}
.founder__name {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 1.1rem + 2vw, 2.6rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin: 0;
  color: var(--ink);
}
.founder__stats {
  list-style: none;
  margin: 0.4rem 0 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow: hidden;
}
.founder__stats li {
  background: var(--paper);
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.founder__stats strong {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 1.1rem + 1.5vw, 2.2rem);
  font-weight: 500;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.02em;
}
.founder__stats span {
  font-size: 0.92rem;
  line-height: 1.4;
  color: var(--ink-2);
  max-width: 28ch;
}
.founder__bio {
  color: var(--ink-2);
  font-size: 1.02rem;
  line-height: 1.55;
  max-width: 56ch;
  margin: 0.4rem 0 0 0;
}
.founder__actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}
.founder__actions .btn {
  gap: 0.5rem;
  font-size: 0.92rem;
  padding: 0.7rem 1.1rem;
}
.founder__actions svg { opacity: 0.85; }
@media (max-width: 760px) {
  .founder__card { grid-template-columns: 1fr; }
  .founder__portrait { max-width: 320px; }
  .founder__stats { grid-template-columns: 1fr; }
}

/* =========================================================
   PRINT
   ========================================================= */
@media print {
  .nav, .lightbox { display: none !important; }
  body { background: white; color: black; }
}