/* ==========================================================================
   The Intelligent Golf Swing — design system
   Palette and type are drawn from the book jacket: ivory stock, etched ink,
   signal red, the coral "ghost" figure and the green/blue biomechanics overlay.
   ========================================================================== */

:root {
  --paper: #f5f2eb;
  --paper-2: #ece7dc;
  --paper-3: #e2dccd;
  --ink: #121211;
  --ink-2: #1c1b19;
  --ink-3: #2b2a27;
  --text: #1a1917;
  --muted: #5f5b53;
  --muted-2: #8a857a;
  --line: rgba(18, 18, 17, 0.12);
  --line-strong: rgba(18, 18, 17, 0.24);
  --red: #c4262e;
  --red-deep: #9f1a21;
  --coral: #e2775a;
  --plane: #7cbf86;
  --node: #a3afdc;
  --gold: #b99a5b;

  --f-display: "Oswald", "Arial Narrow", sans-serif;
  --f-serif: "Newsreader", Georgia, serif;
  --f-sans: "Inter", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;
  --f-script: "Mrs Saint Delafield", cursive;

  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 14px;
  --ease: cubic-bezier(.2, .7, .1, 1);
  --shadow-book: 0 40px 80px -30px rgba(0, 0, 0, .45), 0 18px 30px -18px rgba(0, 0, 0, .3);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--f-serif);
  font-size: clamp(17px, 1.15vw, 19px);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button { font: inherit; color: inherit; }
::selection { background: var(--red); color: #fff; }

:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; border-radius: 4px; }

.skip {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 8px;
  font-family: var(--f-sans); font-size: 14px; text-decoration: none;
}
.skip:focus { top: 12px; }

.wrap { width: min(var(--wrap), 100% - var(--gutter) * 2); margin-inline: auto; }

/* Paper grain overlay */
body::after {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 300; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

/* ---------- Type ---------- */
.eyebrow {
  font-family: var(--f-mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--muted); display: inline-flex; align-items: center; gap: 10px; margin: 0 0 22px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; opacity: .6; }
.eyebrow--red { color: var(--red); }

.display {
  font-family: var(--f-display); font-weight: 700; text-transform: uppercase;
  line-height: .92; letter-spacing: -.01em; margin: 0;
  font-size: clamp(46px, 7vw, 104px);
}
.h2 {
  text-wrap: balance;
  font-family: var(--f-display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(36px, 5vw, 72px); line-height: .96; letter-spacing: -.005em; margin: 0 0 24px;
}
.h3 {
  font-family: var(--f-display); font-weight: 600; text-transform: uppercase;
  font-size: clamp(22px, 2vw, 28px); line-height: 1.05; letter-spacing: .01em; margin: 0 0 12px;
}
.red { color: var(--red); }
.lede { font-size: clamp(19px, 1.5vw, 23px); line-height: 1.5; color: var(--ink-3); max-width: 38ch; }
.muted { color: var(--muted); }
em, .it { font-style: italic; }

/* ---------- Buttons ---------- */
.btn {
  --bg: var(--ink); --fg: var(--paper);
  position: relative; display: inline-flex; align-items: center; gap: 12px;
  padding: 18px 28px; border-radius: 999px; border: 0; cursor: pointer;
  background: var(--bg); color: var(--fg); text-decoration: none;
  font-family: var(--f-sans); font-weight: 600; font-size: 15px; letter-spacing: .02em;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), background .3s;
  overflow: hidden; isolation: isolate; white-space: nowrap;
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit;
  background: var(--red); transform: translateY(101%); transition: transform .5s var(--ease);
}
.btn:hover::before { transform: translateY(0); }
.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(196, 38, 46, .55); }
.btn .arrow { transition: transform .4s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn--red { --bg: var(--red); }
.btn--red::before { background: var(--ink); }
.btn--red:hover { box-shadow: 0 14px 30px -12px rgba(0, 0, 0, .5); }
.btn--ghost { --bg: transparent; --fg: var(--ink); box-shadow: inset 0 0 0 1px var(--line-strong); }
.btn--ghost::before { background: var(--ink); }
.btn--ghost:hover { --fg: var(--paper); color: var(--paper); }
.btn--light { --bg: var(--paper); --fg: var(--ink); }
.btn--lg { padding: 22px 36px; font-size: 16px; }
.btn .price {
  font-family: var(--f-mono); font-size: 13px; font-weight: 500;
  padding-left: 12px; border-left: 1px solid currentColor; opacity: .85;
}

/* ---------- Scroll progress ---------- */
.progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 100%; z-index: 120;
  background: var(--red); transform-origin: 0 50%; transform: scaleX(0);
}

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 100;
  transition: background .4s, box-shadow .4s, transform .5s var(--ease);
}
.nav.is-scrolled {
  background: rgba(245, 242, 235, .82);
  backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.nav.is-hidden { transform: translateY(-100%); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.logo {
  font-family: var(--f-display); font-weight: 700; text-transform: uppercase;
  text-decoration: none; line-height: .9; font-size: 17px; letter-spacing: .02em;
  display: flex; flex-direction: column;
}
.logo span:last-child { font-size: 12.5px; letter-spacing: .14em; }
.nav__links { display: flex; gap: 30px; list-style: none; margin: 0; padding: 0; }
.nav__links a {
  font-family: var(--f-sans); font-size: 14px; font-weight: 500; text-decoration: none; color: var(--ink-3);
  position: relative; padding: 6px 0;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--red);
  transform: scaleX(0); transform-origin: right; transition: transform .4s var(--ease);
}
.nav__links a:hover::after, .nav__links a.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav__cta { padding: 13px 22px; font-size: 14px; }
.nav__toggle {
  display: none; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer; position: relative;
}
.nav__toggle span {
  position: absolute; left: 11px; right: 11px; height: 1.5px; background: var(--ink); transition: transform .4s var(--ease), top .4s var(--ease);
}
.nav__toggle span:first-child { top: 18px; }
.nav__toggle span:last-child { top: 25px; }
.nav.is-open .nav__toggle span:first-child { top: 21.5px; transform: rotate(45deg); }
.nav.is-open .nav__toggle span:last-child { top: 21.5px; transform: rotate(-45deg); }

.drawer {
  position: fixed; inset: 0; z-index: 90; background: var(--ink); color: var(--paper);
  display: flex; flex-direction: column; justify-content: center; padding: 100px var(--gutter) 40px;
  clip-path: inset(0 0 100% 0); transition: clip-path .7s var(--ease); visibility: hidden;
}
.drawer.is-open { clip-path: inset(0 0 0 0); visibility: visible; }
.drawer a {
  font-family: var(--f-display); text-transform: uppercase; font-size: clamp(40px, 11vw, 64px);
  font-weight: 600; text-decoration: none; line-height: 1.1; display: block;
}
.drawer a:hover { color: var(--red); }
.drawer .btn { margin-top: 36px; align-self: flex-start; font-family: var(--f-sans); font-size: 16px; }
body.nav-open .nav { background: transparent; box-shadow: none; backdrop-filter: none; }
body.nav-open .logo, body.nav-open .nav__toggle span { color: var(--paper); background-color: var(--paper); }
body.nav-open .logo { background: none; }

@media (max-width: 960px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh; padding: 130px 0 70px; overflow: hidden;
  display: flex; align-items: center;
}
.hero__grid {
  position: absolute; inset: 0; pointer-events: none; opacity: .7;
  background-image:
    linear-gradient(to right, rgba(163, 175, 220, .18) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(163, 175, 220, .18) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 70% at 65% 50%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 65% 50%, #000 20%, transparent 75%);
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(30px, 5vw, 80px); align-items: center; }
.hero .display .line { display: block; overflow: hidden; padding: .06em 0 .14em; margin-bottom: -.2em; }
.hero .display .line > span { display: block; transform: translateY(110%); transition: transform 1.1s var(--ease); }
.is-loaded .hero .display .line > span { transform: none; }
.is-loaded .hero .display .line:nth-child(2) > span { transition-delay: .08s; }
.is-loaded .hero .display .line:nth-child(3) > span { transition-delay: .16s; }
.is-loaded .hero .display .line:nth-child(4) > span { transition-delay: .24s; }
.hero__sub { margin: 30px 0 38px; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__fade { opacity: 0; transform: translateY(16px); transition: opacity 1s var(--ease) .5s, transform 1s var(--ease) .5s; }
.is-loaded .hero__fade { opacity: 1; transform: none; }

.hero__meta {
  display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 0;
  margin-top: 54px; border-top: 1px solid var(--line); padding-top: 22px;
}
.hero__meta div { padding-right: 30px; margin-right: 30px; border-right: 1px solid var(--line); }
.hero__meta div:last-child { border: 0; margin: 0; padding: 0; }
.hero__meta b { font-family: var(--f-display); font-size: 34px; font-weight: 600; display: block; line-height: 1; }
.hero__meta span { font-family: var(--f-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }

.hero__stage { position: relative; aspect-ratio: 1 / 1.08; perspective: 1400px; }
.hero__overlay { position: absolute; inset: -8% -12%; width: 124%; height: 116%; pointer-events: none; overflow: visible; }
.hero__overlay .p { fill: none; stroke-width: 1.4; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset 2.4s var(--ease); }
.is-loaded .hero__overlay .p { stroke-dashoffset: 0; }
.hero__overlay .n { fill: var(--node); opacity: 0; transition: opacity .8s .9s; }
.is-loaded .hero__overlay .n { opacity: .9; }
.book {
  position: absolute; inset: 4% 8% 2%; transform-style: preserve-3d;
  transition: transform .9s var(--ease); will-change: transform;
}
.book img {
  width: 100%; height: 100%; object-fit: contain;
  filter: drop-shadow(0 50px 40px rgba(0,0,0,.28)) drop-shadow(0 10px 12px rgba(0,0,0,.18));
  opacity: 0; transform: translateY(40px) scale(.96); transition: opacity 1.2s var(--ease) .2s, transform 1.4s var(--ease) .2s;
}
.is-loaded .book img { opacity: 1; transform: none; }
.book__shine {
  position: absolute; inset: 6% 12% 8% 18%; pointer-events: none; mix-blend-mode: soft-light; border-radius: 6px;
  background: radial-gradient(circle at var(--mx, 30%) var(--my, 20%), rgba(255,255,255,.75), transparent 45%);
  opacity: .7;
}
.badge {
  position: absolute; right: 2%; top: 9%; width: 118px; height: 118px; border-radius: 50%;
  background: var(--red); color: #fff; display: grid; place-items: center; text-align: center;
  font-family: var(--f-display); text-transform: uppercase; line-height: 1; z-index: 3;
  box-shadow: 0 16px 30px -12px rgba(196, 38, 46, .6);
  opacity: 0; transform: scale(.6) rotate(-20deg); transition: opacity .8s 1s, transform 1s var(--ease) 1s;
}
.is-loaded .badge { opacity: 1; transform: rotate(-8deg); }
.badge small { font-family: var(--f-mono); font-size: 9.5px; letter-spacing: .15em; display: block; margin-bottom: 4px; }
.badge b { font-size: 34px; font-weight: 600; display: block; }
.badge svg { position: absolute; inset: 0; animation: spin 22s linear infinite; }
.badge text { font-family: var(--f-mono); font-size: 8.2px; letter-spacing: .32em; fill: rgba(255,255,255,.85); }
@keyframes spin { to { transform: rotate(360deg); } }

.scroll-cue {
  position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%);
  font-family: var(--f-mono); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.scroll-cue i { width: 1px; height: 42px; background: linear-gradient(var(--ink), transparent); animation: cue 2.2s var(--ease) infinite; transform-origin: top; }
@keyframes cue { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }

@media (max-width: 960px) {
  .hero { padding-top: 110px; min-height: auto; }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__stage { order: -1; max-width: 460px; width: 100%; margin: 0 auto; }
  .scroll-cue { display: none; }
}
@media (max-width: 520px) {
  .hero__meta { grid-template-columns: repeat(3, 1fr); }
  .hero__meta div { padding-right: 12px; margin-right: 12px; }
  .hero__meta b { font-size: 26px; }
  .hero__meta span { font-size: 9.5px; }
  .badge { width: 92px; height: 92px; }
  .badge b { font-size: 26px; }
  .hero__ctas .btn { width: 100%; justify-content: center; }
}

/* ---------- Endorsement band ---------- */
.band { background: var(--ink); color: var(--paper); padding: 24px 0; overflow: hidden; position: relative; }
.marquee { display: flex; width: max-content; animation: marquee 48s linear infinite; }
.band:hover .marquee { animation-play-state: paused; }
.marquee__group { display: flex; align-items: center; gap: 56px; padding-right: 56px; }
.marquee__item { display: flex; align-items: baseline; gap: 14px; white-space: nowrap; }
.marquee__item q { font-family: var(--f-serif); font-style: italic; font-size: 19px; }
.marquee__item span { font-family: var(--f-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--coral); }
.marquee__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--red); flex: none; }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee { animation: none; } }

/* ---------- Sections ---------- */
.section { padding: clamp(90px, 12vw, 170px) 0; position: relative; }
.section--tight { padding: clamp(70px, 9vw, 120px) 0; }
.section--dark { background: var(--ink); color: var(--paper); }
.section--dark .eyebrow { color: rgba(245, 242, 235, .6); }
.section--dark .lede, .section--dark .muted { color: rgba(245, 242, 235, .72); }
.section--paper2 { background: var(--paper-2); }

.sec-head { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 100px); align-items: end; margin-bottom: clamp(50px, 7vw, 90px); }
.sec-head .lede { margin: 0; max-width: 44ch; }
@media (max-width: 860px) { .sec-head { grid-template-columns: 1fr; } }

/* Reveal */
.rv { opacity: 0; transform: translateY(34px); transition: opacity 1s var(--ease), transform 1.1s var(--ease); }
.rv.in { opacity: 1; transform: none; }
.rv-d1 { transition-delay: .08s; } .rv-d2 { transition-delay: .16s; } .rv-d3 { transition-delay: .24s; } .rv-d4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } }

/* ---------- Pull quote (Larry David) ---------- */
.pull { text-align: center; }
.pull blockquote { margin: 0 auto; }
.pull .mark { font-family: var(--f-display); font-size: 140px; line-height: .6; color: var(--red); display: block; height: 60px; }
.pull p {
  font-family: var(--f-serif); font-style: italic; font-weight: 400;
  font-size: clamp(32px, 4.6vw, 64px); line-height: 1.12; letter-spacing: -.01em; margin: 0 auto 34px; max-width: 22ch; text-wrap: balance;
}
.pull p .strike { position: relative; white-space: nowrap; }
.pull p .strike::after {
  content: ""; position: absolute; left: -2%; right: -2%; top: 55%; height: .07em; background: var(--red);
  transform: scaleX(0); transform-origin: left; transition: transform .9s var(--ease) .5s;
}
.pull .in p .strike::after, .pull.in p .strike::after { transform: scaleX(1); }
.pull cite { font-style: normal; font-family: var(--f-mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.pull cite b { color: var(--ink); font-weight: 600; }

/* ---------- Letter ---------- */
.letter { display: grid; grid-template-columns: 380px 1fr; gap: clamp(40px, 7vw, 110px); align-items: start; }
.letter__aside { position: sticky; top: 110px; }
.portrait { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 296 / 326; background: var(--paper-3); }
.portrait img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.15) contrast(1.04); transition: transform 1.4s var(--ease); }
.portrait:hover img { transform: scale(1.04); }
.portrait::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px rgba(0,0,0,.08); border-radius: inherit; }
.portrait__cap { margin-top: 18px; font-family: var(--f-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); line-height: 1.8; }
.portrait__cap b { color: var(--ink); font-weight: 600; display: block; font-family: var(--f-display); font-size: 22px; letter-spacing: .04em; }
.letter__body { max-width: 640px; }
.letter__body .salute { font-family: var(--f-serif); font-style: italic; font-size: 24px; margin: 0 0 22px; }
.letter__body p { margin: 0 0 22px; }
.letter__body .big { font-size: clamp(24px, 2.3vw, 32px); line-height: 1.32; color: var(--ink); }
.letter__body .big mark { background: linear-gradient(transparent 62%, rgba(196,38,46,.2) 62%); color: inherit; padding: 0 .1em; }
.signature { font-family: var(--f-script); font-size: 74px; line-height: 1; color: var(--ink); margin: 24px 0 0; transform: rotate(-4deg); transform-origin: left; }
@media (max-width: 860px) {
  .letter { grid-template-columns: 1fr; }
  .letter__aside { position: static; display: grid; grid-template-columns: 140px 1fr; gap: 20px; align-items: end; }
}

/* ---------- Lineage timeline ---------- */
.lineage { display: grid; grid-template-columns: repeat(3, 1fr); position: relative; }
.lineage__rail { position: absolute; left: 0; right: 0; top: 30px; height: 1px; background: rgba(245,242,235,.15); }
.lineage__rail i { position: absolute; inset: 0; background: var(--red); transform: scaleX(0); transform-origin: left; transition: transform 2s var(--ease); }
.lineage.in .lineage__rail i { transform: scaleX(1); }
.era { padding: 0 clamp(16px, 3vw, 44px) 0 0; position: relative; }
.era__dot { width: 13px; height: 13px; border-radius: 50%; background: var(--ink); box-shadow: 0 0 0 1px var(--paper); margin: 24px 0 36px; position: relative; z-index: 1; transition: background .6s, box-shadow .6s; }
.lineage.in .era__dot { background: var(--red); box-shadow: 0 0 0 6px rgba(196,38,46,.18); }
.lineage.in .era:nth-child(3) .era__dot { transition-delay: .7s; }
.lineage.in .era:nth-child(4) .era__dot { transition-delay: 1.4s; }
.era__year { font-family: var(--f-display); font-size: clamp(54px, 6vw, 92px); font-weight: 600; line-height: .9; color: var(--paper); }
.era__year small { font-size: .32em; vertical-align: top; color: var(--coral); letter-spacing: .08em; margin-left: 6px; }
.era__who { font-family: var(--f-mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--coral); margin: 14px 0 18px; }
.era p { color: rgba(245,242,235,.75); margin: 0; max-width: 34ch; }
.era p strong { color: var(--paper); font-weight: 500; }
@media (max-width: 860px) {
  .lineage { grid-template-columns: 1fr; gap: 48px; padding-left: 34px; }
  .lineage__rail { left: 6px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .lineage__rail i { transform: scaleY(0); transform-origin: top; }
  .lineage.in .lineage__rail i { transform: scaleY(1); }
  .era__dot { position: absolute; left: -34px; top: 0; margin: 10px 0 0; }
}

.callout {
  margin-top: clamp(60px, 8vw, 110px); padding-top: 40px; border-top: 1px solid rgba(245,242,235,.15);
  display: grid; grid-template-columns: auto 1fr; gap: 40px; align-items: start;
}
.callout .h3 { color: var(--coral); }
.callout p { font-size: clamp(22px, 2.1vw, 30px); line-height: 1.35; margin: 0; max-width: 36ch; font-style: italic; }
@media (max-width: 760px) { .callout { grid-template-columns: 1fr; gap: 14px; } }

/* ---------- Swing Lab ---------- */
.lab { display: grid; grid-template-columns: 1.35fr .65fr; gap: 0; background: var(--paper); border-radius: 22px; overflow: hidden; box-shadow: 0 1px 0 var(--line), 0 40px 80px -50px rgba(0,0,0,.35); border: 1px solid var(--line); }
.lab__canvas { position: relative; background: #fbfaf6; border-right: 1px solid var(--line); align-self: center; aspect-ratio: 6 / 5; }
.lab { align-items: stretch; background: #fbfaf6; }
.lab__panel { background: var(--paper); }
.lab__canvas svg { width: 100%; height: 100%; display: block; overflow: hidden; }
.lab__hud {
  position: absolute; left: 20px; top: 18px; font-family: var(--f-mono); font-size: 11px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted); display: flex; gap: 18px; align-items: center;
}
.lab__hud .live { display: inline-flex; align-items: center; gap: 8px; color: var(--red); }
.lab__hud .live::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--red); animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: .25; } }
.lab__legend { position: absolute; left: 20px; bottom: 18px; display: flex; flex-wrap: wrap; gap: 8px 18px; font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.lab__legend span { display: inline-flex; align-items: center; gap: 8px; }
.lab__legend i { width: 18px; height: 2px; display: inline-block; }

.lab__panel { padding: clamp(24px, 3vw, 40px); display: flex; flex-direction: column; gap: 28px; }
.seg { display: grid; grid-template-columns: 1fr 1fr; background: var(--paper-2); border-radius: 999px; padding: 4px; position: relative; }
.seg button {
  position: relative; z-index: 1; border: 0; background: transparent; cursor: pointer; padding: 12px 10px;
  font-family: var(--f-sans); font-size: 13.5px; font-weight: 600; border-radius: 999px; color: var(--muted); transition: color .3s;
}
.seg button[aria-pressed="true"] { color: var(--paper); }
.seg__thumb { position: absolute; top: 4px; bottom: 4px; left: 4px; width: calc(50% - 4px); border-radius: 999px; background: var(--ink); transition: transform .5s var(--ease), background .4s; }
.seg[data-mode="single"] .seg__thumb { transform: translateX(100%); background: var(--red); }

.phase-label { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.phase-label b { font-family: var(--f-display); text-transform: uppercase; font-size: 30px; font-weight: 600; line-height: 1; }
.phase-label span { font-family: var(--f-mono); font-size: 11px; color: var(--muted); letter-spacing: .1em; }
.range { width: 100%; appearance: none; -webkit-appearance: none; background: transparent; height: 28px; cursor: pointer; }
.range::-webkit-slider-runnable-track { height: 2px; background: linear-gradient(to right, var(--red) var(--fill, 0%), var(--line-strong) var(--fill, 0%)); }
.range::-moz-range-track { height: 2px; background: var(--line-strong); }
.range::-moz-range-progress { height: 2px; background: var(--red); }
.range::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--ink); margin-top: -9px; box-shadow: 0 0 0 5px rgba(18,18,17,.1); }
.range::-moz-range-thumb { width: 20px; height: 20px; border: 0; border-radius: 50%; background: var(--ink); }
.ticks { display: flex; justify-content: space-between; font-family: var(--f-mono); font-size: 9.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted-2); margin-top: 4px; }
.ticks button { background: none; border: 0; padding: 4px 0; cursor: pointer; color: inherit; font: inherit; letter-spacing: inherit; }
.ticks button:hover { color: var(--ink); }
.play { display: inline-flex; align-items: center; gap: 10px; border: 1px solid var(--line-strong); background: transparent; border-radius: 999px; padding: 10px 18px; cursor: pointer; font-family: var(--f-sans); font-weight: 600; font-size: 13px; margin-top: 16px; transition: background .3s, color .3s; }
.play:hover { background: var(--ink); color: var(--paper); }
.readout { border-top: 1px solid var(--line); }
.readout div { display: flex; justify-content: space-between; align-items: baseline; padding: 13px 0; border-bottom: 1px solid var(--line); gap: 12px; }
.readout dt { font-family: var(--f-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0; }
.readout dd { margin: 0; font-family: var(--f-display); font-size: 22px; font-weight: 500; text-align: right; transition: color .3s; }
.readout dd.good { color: #2f8a45; }
.readout dd.bad { color: var(--red); }
.lab__note { font-size: 15.5px; line-height: 1.55; color: var(--ink-3); margin: 0; min-height: 5.2em; }
.lab__fine { font-family: var(--f-mono); font-size: 10px; letter-spacing: .06em; color: var(--muted-2); margin: 18px 0 0; text-transform: uppercase; }
@media (max-width: 960px) {
  .lab { grid-template-columns: 1fr; }
  .lab__canvas { border-right: 0; border-bottom: 1px solid var(--line); }
  .lab__legend { display: none; }
}

/* ---------- Compare ---------- */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.compare__col { border-radius: 20px; padding: clamp(28px, 4vw, 52px); }
.compare__col--old { background: var(--paper-2); }
.compare__col--new { background: var(--ink); color: var(--paper); position: relative; overflow: hidden; }
.compare__col--new::before { content: ""; position: absolute; width: 420px; height: 420px; right: -160px; top: -160px; background: radial-gradient(circle, rgba(196,38,46,.45), transparent 65%); }
.compare__col h3 { position: relative; }
.compare ul { list-style: none; margin: 28px 0 0; padding: 0; position: relative; }
.compare li { display: grid; grid-template-columns: 30px 1fr; gap: 14px; padding: 18px 0; border-top: 1px solid var(--line); }
.compare__col--new li { border-color: rgba(245,242,235,.12); }
.compare li b { font-weight: 600; display: block; font-family: var(--f-sans); font-size: 16px; letter-spacing: -.005em; margin-bottom: 2px; }
.compare li span { font-size: 16px; color: var(--muted); }
.compare__col--new li span { color: rgba(245,242,235,.65); }
.ico { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; margin-top: 2px; }
.ico--x { box-shadow: inset 0 0 0 1px var(--line-strong); color: var(--muted); }
.ico--ok { background: var(--red); color: #fff; }
.ico svg { width: 12px; height: 12px; }
.compare__col--old li { opacity: .9; }
.compare__col--old li b { text-decoration: line-through; text-decoration-color: rgba(196,38,46,.6); text-decoration-thickness: 1.5px; }
@media (max-width: 860px) { .compare { grid-template-columns: 1fr; } }

/* ---------- AI Advantage ---------- */
.ai { overflow: hidden; }
.ai__net { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }
.ai .wrap { position: relative; }
.ai__q { font-family: var(--f-serif); font-size: clamp(26px, 3vw, 42px); line-height: 1.25; max-width: 30ch; margin: 0 0 70px; font-weight: 300; }
.ai__q em { color: var(--coral); }
.ai__list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(245,242,235,.12); border: 1px solid rgba(245,242,235,.12); border-radius: 18px; overflow: hidden; }
.ai__item { background: var(--ink); padding: 36px 28px 40px; transition: background .4s; }
.ai__item:hover { background: var(--ink-2); }
.ai__num { font-family: var(--f-mono); font-size: 12px; color: var(--coral); letter-spacing: .12em; }
.ai__item p { margin: 60px 0 0; font-size: 17.5px; line-height: 1.5; color: rgba(245,242,235,.85); }
.ai__foot { margin-top: 56px; display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; }
.ai__foot p { margin: 0; max-width: 60ch; color: rgba(245,242,235,.72); }
@media (max-width: 960px) { .ai__list { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .ai__list { grid-template-columns: 1fr; } .ai__item p { margin-top: 26px; } .ai__foot { grid-template-columns: 1fr; } }

/* ---------- Dialogue ---------- */
.dialogue { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(40px, 6vw, 100px); align-items: center; }
.chat { background: #fbfaf6; border: 1px solid var(--line); border-radius: 22px; padding: 26px; box-shadow: 0 40px 80px -50px rgba(0,0,0,.3); }
.chat__bar { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--line); margin-bottom: 22px; font-family: var(--f-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.chat__bar .dots { display: flex; gap: 6px; }
.chat__bar .dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--paper-3); }
.chat__log { display: flex; flex-direction: column; gap: 16px; min-height: 420px; }
.msg { display: grid; grid-template-columns: 38px 1fr; gap: 12px; align-items: start; opacity: 0; transform: translateY(10px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.msg.show { opacity: 1; transform: none; }
.msg__av { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; font-family: var(--f-display); font-size: 14px; font-weight: 600; overflow: hidden; }
.msg__av img { width: 100%; height: 100%; object-fit: cover; }
.msg--ai .msg__av { background: var(--ink); color: var(--paper); }
.msg__who { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.msg__text { font-size: 16.5px; line-height: 1.55; color: var(--ink-2); }
.msg--ai .msg__text { background: var(--paper-2); padding: 14px 16px; border-radius: 4px 14px 14px 14px; }
.typing { display: inline-flex; gap: 4px; padding: 6px 0; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted-2); animation: blink 1.2s infinite; }
.typing i:nth-child(2) { animation-delay: .2s; } .typing i:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 50% { opacity: .2; } }
.chat__fine { margin: 18px 0 0; font-family: var(--f-mono); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted-2); }
.pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 40px; border-top: 1px solid var(--line); }
.pillar { padding: 24px 24px 24px 0; border-bottom: 1px solid var(--line); }
.pillar:nth-child(odd) { border-right: 1px solid var(--line); }
.pillar:nth-child(even) { padding-left: 24px; padding-right: 0; }
.pillar b { display: block; font-family: var(--f-sans); font-size: 15.5px; font-weight: 600; margin-bottom: 6px; }
.pillar span { font-size: 15.5px; color: var(--muted); line-height: 1.5; display: block; }
@media (max-width: 960px) { .dialogue { grid-template-columns: 1fr; } }
@media (max-width: 520px) {
  .pillars { grid-template-columns: 1fr; }
  .pillar, .pillar:nth-child(even) { padding: 20px 0; border-right: 0; }
}

/* ---------- Inside the book ---------- */
.inside { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 7vw, 110px); align-items: center; }
.flip { perspective: 1800px; cursor: pointer; max-width: 460px; margin: 0 auto; width: 100%; }
.flip__card { position: relative; aspect-ratio: 1754 / 2700; transform-style: preserve-3d; transition: transform 1.2s var(--ease); }
.flip.is-flipped .flip__card { transform: rotateY(180deg); }
.flip__face {
  position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; border-radius: 3px 8px 8px 3px;
  background-image: url("../img/book-spread.webp"); background-size: auto 100%; background-repeat: no-repeat;
  box-shadow: var(--shadow-book);
}
.flip__face::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: linear-gradient(90deg, rgba(0,0,0,.18), rgba(255,255,255,.12) 3%, transparent 7%); }
.flip__face--front { background-position: right center; }
.flip__face--back { background-position: left center; transform: rotateY(180deg); }
.flip__hint { text-align: center; margin-top: 26px; font-family: var(--f-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.flip__hint button { background: none; border: 1px solid var(--line-strong); border-radius: 999px; padding: 10px 18px; cursor: pointer; font: inherit; letter-spacing: inherit; display: inline-flex; gap: 10px; align-items: center; transition: background .3s, color .3s; }
.flip__hint button:hover { background: var(--ink); color: var(--paper); }

.stats { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); margin-top: 40px; }
.stat { padding: 28px 20px 28px 0; border-bottom: 1px solid var(--line); }
.stat:nth-child(even) { padding-left: 24px; border-left: 1px solid var(--line); }
.stat b { font-family: var(--f-display); font-size: clamp(54px, 5.4vw, 80px); font-weight: 600; line-height: .9; display: block; }
.stat b sup { font-size: .4em; color: var(--red); vertical-align: top; position: relative; top: .15em; }
.stat span { display: block; margin-top: 10px; font-size: 16px; color: var(--muted); line-height: 1.45; }
.inside__list { list-style: none; padding: 0; margin: 30px 0 0; }
.inside__list li { padding: 12px 0 12px 30px; position: relative; font-size: 17px; border-bottom: 1px dashed var(--line); }
.inside__list li::before { content: ""; position: absolute; left: 0; top: 22px; width: 14px; height: 1.5px; background: var(--red); }
@media (max-width: 960px) { .inside { grid-template-columns: 1fr; } }

/* ---------- Audience ---------- */
.aud { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.aud__card {
  position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 26px 24px 30px;
  min-height: 190px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden;
  transition: transform .5s var(--ease), border-color .4s, background .4s, color .4s;
}
.aud__card:hover { transform: translateY(-6px); background: var(--ink); color: var(--paper); border-color: var(--ink); }
.aud__card i { font-style: normal; font-family: var(--f-mono); font-size: 11px; color: var(--red); letter-spacing: .1em; }
.aud__card:hover i { color: var(--coral); }
.aud__card p { margin: 0; font-size: 17.5px; line-height: 1.38; }
@media (max-width: 960px) { .aud { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .aud { grid-template-columns: 1fr; } .aud__card { min-height: 0; gap: 20px; } }

/* ---------- Offer ---------- */
.offer {
  position: relative; border-radius: 28px; overflow: hidden; background: var(--ink); color: var(--paper);
  display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; isolation: isolate;
}
.offer::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 60% 80% at 20% 60%, rgba(196,38,46,.38), transparent 60%),
    linear-gradient(to right, rgba(163,175,220,.08) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(to bottom, rgba(163,175,220,.08) 1px, transparent 1px) 0 0 / 56px 56px;
}
.offer__visual { padding: clamp(36px, 5vw, 70px); display: grid; place-items: center; }
.offer__visual img { width: min(100%, 420px); filter: drop-shadow(0 40px 50px rgba(0,0,0,.6)); animation: float 7s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-14px) rotate(-1deg); } }
@media (prefers-reduced-motion: reduce) { .offer__visual img { animation: none; } }
.offer__body { padding: clamp(36px, 5vw, 76px) clamp(28px, 5vw, 76px) clamp(36px, 5vw, 76px) 0; }
.offer__tag { display: inline-flex; gap: 10px; align-items: center; font-family: var(--f-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; background: rgba(196,38,46,.18); color: #ff8f84; padding: 8px 14px; border-radius: 999px; margin-bottom: 26px; }
.offer__tag::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #ff6b5e; animation: pulse 1.6s infinite; }
.offer__price { display: flex; align-items: baseline; gap: 16px; margin: 6px 0 30px; }
.offer__price b { font-family: var(--f-display); font-size: clamp(64px, 7vw, 96px); font-weight: 600; line-height: .9; }
.offer__price span { font-family: var(--f-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: rgba(245,242,235,.6); }
.offer ul { list-style: none; margin: 0 0 36px; padding: 0; }
.offer li { display: grid; grid-template-columns: 26px 1fr; gap: 14px; padding: 13px 0; border-top: 1px solid rgba(245,242,235,.12); font-size: 17px; }
.offer li:last-child { border-bottom: 1px solid rgba(245,242,235,.12); }
.offer li .ico { width: 22px; height: 22px; }
.offer__trust { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 26px; font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: rgba(245,242,235,.55); }
.offer__trust span { display: inline-flex; align-items: center; gap: 8px; }
.offer__trust span::before { content: ""; width: 4px; height: 4px; background: var(--coral); border-radius: 50%; }
@media (max-width: 900px) {
  .offer { grid-template-columns: 1fr; }
  .offer__visual { padding-bottom: 0; }
  .offer__visual img { width: min(70%, 320px); }
  .offer__body { padding: 30px 24px 40px; }
  .offer .btn { width: 100%; justify-content: center; }
}

/* ---------- Testimonials ---------- */
.reviews { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.review { grid-column: span 4; background: var(--paper); border: 1px solid var(--line); border-radius: 20px; padding: 34px 32px; display: flex; flex-direction: column; gap: 30px; justify-content: space-between; }
.review--feature { grid-column: span 8; background: var(--red); color: #fff; border-color: var(--red); }
.review--wide { grid-column: span 6; }
.review__stars { display: flex; gap: 3px; color: var(--red); }
.review--feature .review__stars { color: #fff; }
.review__stars svg { width: 15px; height: 15px; }
.review blockquote { margin: 18px 0 0; font-size: 18.5px; line-height: 1.5; }
.review--feature blockquote { font-size: clamp(21px, 2vw, 27px); line-height: 1.4; font-style: italic; }
.review footer { display: flex; align-items: center; gap: 14px; padding-top: 22px; border-top: 1px solid var(--line); }
.review--feature footer { border-color: rgba(255,255,255,.25); }
.review__init { width: 42px; height: 42px; border-radius: 50%; background: var(--paper-2); display: grid; place-items: center; font-family: var(--f-display); font-weight: 600; font-size: 15px; color: var(--ink); flex: none; }
.review--feature .review__init { background: rgba(255,255,255,.18); color: #fff; }
.review footer b { display: block; font-family: var(--f-sans); font-size: 15px; font-weight: 600; }
.review footer span { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.review--feature footer span { color: rgba(255,255,255,.75); }
@media (max-width: 960px) { .review, .review--feature, .review--wide { grid-column: span 12; } }

/* ---------- Celebrity endorsements ---------- */
.endorse { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.endorse figure { margin: 0; padding: 40px 34px 40px 0; }
.endorse figure + figure { border-left: 1px solid var(--line); padding-left: 34px; }
.endorse blockquote { margin: 0 0 24px; font-style: italic; font-size: 20px; line-height: 1.45; }
.endorse figcaption b { font-family: var(--f-display); text-transform: uppercase; font-size: 20px; letter-spacing: .03em; display: block; font-weight: 600; }
.endorse figcaption span { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); line-height: 1.6; display: block; margin-top: 4px; }
@media (max-width: 860px) {
  .endorse { grid-template-columns: 1fr; }
  .endorse figure, .endorse figure + figure { padding: 30px 0; border-left: 0; }
  .endorse figure + figure { border-top: 1px solid var(--line); }
}

/* ---------- FAQ ---------- */
.faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(40px, 6vw, 100px); }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 26px 50px 26px 0; position: relative;
  font-family: var(--f-display); text-transform: uppercase; font-size: clamp(19px, 1.8vw, 24px); font-weight: 500; letter-spacing: .01em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after, .faq summary::before { content: ""; position: absolute; right: 8px; top: 50%; width: 16px; height: 1.5px; background: var(--ink); transition: transform .4s var(--ease); }
.faq summary::before { transform: rotate(90deg); }
.faq details[open] summary::before { transform: rotate(0); }
.faq summary:hover { color: var(--red); }
.faq .ans { padding: 0 0 28px; color: var(--ink-3); max-width: 60ch; }
.faq .ans p { margin: 0; }
@media (max-width: 860px) { .faq { grid-template-columns: 1fr; } }

/* ---------- Final CTA ---------- */
.final { text-align: center; padding: clamp(110px, 14vw, 200px) 0; position: relative; overflow: hidden; }
.final .display { font-size: clamp(44px, 8.4vw, 132px); max-width: 14ch; margin: 0 auto 40px; }
.final p:not(.eyebrow) { max-width: 44ch; margin: 0 auto 44px; color: var(--muted); font-size: 20px; }
.final__arc { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: rgba(245,242,235,.7); padding: 80px 0 40px; font-family: var(--f-sans); font-size: 14px; }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid rgba(245,242,235,.12); }
.footer .logo { color: var(--paper); font-size: 28px; }
.footer .logo span:last-child { font-size: 19px; }
.footer h4 { font-family: var(--f-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: rgba(245,242,235,.45); margin: 0 0 16px; font-weight: 500; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer a { text-decoration: none; transition: color .3s; }
.footer a:hover { color: var(--paper); }
.footer__legal { padding-top: 30px; display: grid; gap: 14px; font-size: 12.5px; line-height: 1.6; color: rgba(245,242,235,.45); }
.footer__legal b { color: rgba(245,242,235,.7); font-weight: 600; }
.footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; margin-top: 16px; }
@media (max-width: 760px) { .footer__top { grid-template-columns: 1fr; } }

/* ---------- Sticky mobile order bar ---------- */
.sticky-buy {
  position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 95;
  background: rgba(18,18,17,.94); color: var(--paper); border-radius: 18px; padding: 10px 10px 10px 12px;
  display: none; align-items: center; gap: 12px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transform: translateY(140%); transition: transform .6s var(--ease); box-shadow: 0 20px 40px -10px rgba(0,0,0,.45);
}
.sticky-buy.show { transform: none; }
.sticky-buy img { width: 40px; height: 52px; object-fit: contain; }
.sticky-buy div { flex: 1; min-width: 0; line-height: 1.2; }
.sticky-buy b { font-family: var(--f-display); text-transform: uppercase; font-size: 15px; font-weight: 600; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sticky-buy span { font-family: var(--f-mono); font-size: 11px; color: rgba(245,242,235,.6); }
.sticky-buy .btn { padding: 14px 18px; font-size: 14px; }
@media (max-width: 760px) { .sticky-buy { display: flex; } }

/* ---------- Custom cursor (fine pointers only) ---------- */
.cursor { position: fixed; left: 0; top: 0; z-index: 400; pointer-events: none; width: 10px; height: 10px; margin: -5px 0 0 -5px; border-radius: 50%; background: var(--red); transition: width .35s var(--ease), height .35s var(--ease), margin .35s var(--ease), background .35s, opacity .3s; opacity: 0; mix-blend-mode: multiply; }
.cursor.on { opacity: 1; }
.cursor.hover { width: 44px; height: 44px; margin: -22px 0 0 -22px; background: rgba(196,38,46,.18); }
@media (hover: none), (pointer: coarse) { .cursor { display: none; } }