:root {
  --forest: #173a30;
  --surface: #f7f8f2;
  --panel: #edf2ea;
  --lime: #d9f361;
  --coral: #c86b52;
  --trust: #4f8372;
  --ink: #172820;
  --muted: #5b6e65;
  --line: #d8e3d9;
  --page: min(1180px, calc(100% - 56px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: "Manrope", sans-serif;
  line-height: 1.55;
}
button, input, textarea { font: inherit; }
a { color: inherit; }
img { max-width: 100%; height: auto; }

.site-header, .site-footer, .section-inner { width: var(--page); margin-inline: auto; }
.site-header {
  position: relative;
  z-index: 2;
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}
.brand {
  color: var(--trust);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .1em;
  text-decoration: none;
}
.desktop-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.desktop-nav a, .site-menu a { font-size: 14px; font-weight: 700; text-decoration: none; }
.button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid var(--forest);
  border-radius: 2px;
  background: var(--lime);
  color: var(--forest);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .01em;
  text-align: center;
  text-decoration: none;
  box-shadow: 4px 4px 0 var(--forest);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.button-primary:hover { background: #e5fa83; transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--forest); }
.button-primary:active { background: #cbe553; transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--forest); }
.button-primary:focus-visible, .menu-toggle:focus-visible, a:focus-visible {
  outline: 3px solid var(--trust);
  outline-offset: 3px;
}
.menu-toggle {
  display: none;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}
.site-menu {
  position: absolute;
  top: 64px;
  right: 0;
  left: 0;
  display: grid;
  gap: 16px;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 8px 8px 0 var(--forest);
}
.site-menu[hidden] { display: none; }
.site-menu .button-primary { width: 100%; }

.hero {
  overflow: hidden;
  position: relative;
  background-color: var(--forest);
  background-image: repeating-linear-gradient(90deg, rgb(217 243 97 / 7%) 0, rgb(217 243 97 / 7%) 1px, transparent 1px, transparent 88px);
  color: #f4f8ec;
}
.hero::after {
  position: absolute;
  right: 4%;
  bottom: 0;
  width: min(42vw, 570px);
  height: 1px;
  background: rgb(217 243 97 / 58%);
  content: "";
}
.hero-grid {
  width: var(--page);
  min-height: 760px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .66fr);
  align-items: center;
  gap: 100px;
  margin-inline: auto;
  padding-block: 76px 42px;
}
.eyebrow {
  color: var(--trust);
  font-family: "DM Mono", monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}
.hero h1, .article-layout h1 {
  max-width: 720px;
  margin: 14px 0 20px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(44px, 5.3vw, 76px);
  font-weight: 500;
  line-height: .99;
  letter-spacing: 0;
}
.hero .eyebrow { color: var(--lime); }
.hero-copy { max-width: 560px; color: #d9e5dd; font-size: 18px; }
.article-lead { max-width: 560px; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.scope-note { display: flex; align-items: center; gap: 9px; margin: 24px 0 0; color: #d9e5dd; font-size: 12px; }
.scope-note::before { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); content: ""; }
.device-frame {
  overflow: hidden;
  position: relative;
  border: 1px solid #c5d5ca;
  border-radius: 16px;
  background: var(--forest);
  box-shadow: 16px 16px 0 rgb(23 58 48 / 12%), 0 24px 46px rgb(23 58 48 / 16%);
}
.device-frame::before {
  display: block;
  padding: 12px 16px 10px;
  background: #e4ece1;
  color: var(--trust);
  content: "VEXAFIT / PRODUCT PREVIEW";
  font-family: "DM Mono", monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
}
.device-frame img { display: block; width: 100%; height: auto; }
.hero-device-stage, .technique-device-stage { position: relative; display: grid; place-items: center; }
.phone-device {
  position: relative;
  width: min(100%, 290px);
  padding: 10px;
  border: 1px solid rgb(255 255 255 / 25%);
  border-radius: 38px;
  background: #111b17;
  box-shadow: 15px 20px 0 rgb(0 0 0 / 20%), 0 32px 52px rgb(0 0 0 / 26%);
}
.phone-device-hero { width: min(100%, 330px); transform: none; }
.phone-speaker { position: absolute; z-index: 1; top: 16px; left: 50%; width: 68px; height: 5px; border-radius: 999px; background: rgb(10 15 13 / 85%); transform: translateX(-50%); }
.phone-screen { overflow: hidden; position: relative; aspect-ratio: 9 / 19.5; border-radius: 30px; background: #0d1512; }
.phone-screen:not(.phone-screen-scrollable) > img, .phone-screen:not(.phone-screen-scrollable) > video { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; }
.phone-home-indicator { position: absolute; z-index: 4; bottom: 16px; left: 50%; width: 70px; height: 4px; border-radius: 999px; background: rgb(255 255 255 / 76%); transform: translateX(-50%); }
.live-coach-preview { isolation: isolate; background: #27302d; }
.live-coach-preview::after { position: absolute; z-index: 1; inset: 0; background: linear-gradient(180deg, rgb(7 17 14 / 22%), transparent 30%); content: ""; pointer-events: none; }
.live-coach-preview .live-coach-preview-background { z-index: 0; inset: -8% 0 0 !important; width: 100% !important; height: 108% !important; object-position: center center; filter: saturate(.88) contrast(.96); transform: none; }
.live-coach-skeleton { position: absolute; z-index: 2; top: -8%; left: -15.35%; width: 130.7%; height: 108%; overflow: visible; pointer-events: none; }
.live-coach-skeleton-head > circle:first-child { fill: rgb(69 234 220 / 8%); stroke: rgb(101 246 231 / 86%); stroke-width: 7; }
.live-coach-skeleton-eye { fill: #d8fffa; }
.live-coach-skeleton-smile { fill: none; stroke: #d8fffa; stroke-linecap: round; stroke-width: 4; }
.live-coach-skeleton-lines { fill: none; stroke: rgb(87 238 223 / 91%); stroke-linecap: round; stroke-linejoin: round; stroke-width: 9; filter: drop-shadow(0 1px 2px rgb(0 60 56 / 44%)); }
.live-coach-skeleton-joints { fill: #d8fffa; stroke: #28cbb8; stroke-width: 6; filter: drop-shadow(0 1px 2px rgb(0 60 56 / 40%)); }
.live-coach-timer { position: absolute; z-index: 2; top: 6%; right: 8%; min-width: 68px; padding: 7px 10px; border: 1px solid rgb(255 255 255 / 36%); border-radius: 12px; background: rgb(27 31 30 / 45%); color: #fff; font-size: 14px; font-weight: 800; letter-spacing: .02em; text-align: center; text-shadow: 0 1px 3px rgb(0 0 0 / 45%); backdrop-filter: blur(8px); }
.live-coach-frame { position: absolute; z-index: 3; inset: 18% 12% 31%; }
.frame-corner { position: absolute; display: block; width: 24px; height: 24px; border-color: #17c6a1; border-style: solid; filter: drop-shadow(0 1px 2px rgb(0 0 0 / 20%)); }
.frame-corner-top-left { top: 0; left: 0; border-width: 3px 0 0 3px; }
.frame-corner-top-right { top: 0; right: 0; border-width: 3px 3px 0 0; }
.frame-corner-bottom-left { bottom: 0; left: 0; border-width: 0 0 3px 3px; }
.frame-corner-bottom-right { right: 0; bottom: 0; border-width: 0 3px 3px 0; }
.live-coach-status { position: absolute; z-index: 2; right: 9%; bottom: 16%; display: grid; gap: 3px; color: #fff; text-align: right; text-shadow: 0 1px 3px rgb(0 0 0 / 35%); }
.live-coach-status span { font-family: "DM Mono", monospace; font-size: 9px; font-weight: 700; letter-spacing: .16em; }
.live-coach-status strong { display: inline-flex; align-items: center; justify-content: flex-end; gap: 5px; color: #62e3c1; font-size: 16px; font-weight: 800; }
.status-direction { position: relative; display: inline-block; width: 10px; height: 16px; flex: 0 0 10px; font-size: 0; font-style: normal; line-height: 1; }
.status-direction::before { position: absolute; top: 0; left: 4px; width: 2px; height: 10px; border-radius: 999px; background: currentColor; content: ""; }
.status-direction::after { position: absolute; bottom: 0; left: 0; width: 0; height: 0; border-top: 6px solid currentColor; border-right: 5px solid transparent; border-left: 5px solid transparent; content: ""; }
.live-coach-set { position: absolute; z-index: 2; bottom: 17%; left: 8%; display: grid; gap: 2px; color: #fff; text-shadow: 0 1px 3px rgb(0 0 0 / 35%); }
.live-coach-set span { font-family: "DM Mono", monospace; font-size: 9px; font-weight: 700; letter-spacing: .12em; }
.live-coach-set strong { font-size: 31px; font-weight: 800; line-height: .95; }
.live-coach-set small { margin-left: 4px; color: rgb(255 255 255 / 82%); font-size: 13px; font-weight: 700; }
.live-coach-actions { position: absolute; z-index: 3; right: 5%; bottom: 4%; left: 5%; display: grid; grid-template-columns: .8fr 1.35fr; gap: 8px; }
.live-coach-action { display: inline-flex; min-height: 42px; align-items: center; justify-content: center; gap: 8px; border: 1px solid rgb(255 255 255 / 75%); border-radius: 13px; color: #fff; font-size: 12px; font-weight: 700; text-shadow: 0 1px 2px rgb(0 0 0 / 25%); }
.live-coach-action b { font-size: 13px; line-height: 1; }
.live-coach-action-primary { border-color: #0b8d79; background: #0b8d79; }
.live-coach-action-secondary { background: rgb(23 31 29 / 62%); }
.device-chip { position: absolute; z-index: 2; padding: 8px 10px; border: 1px solid rgb(217 243 97 / 58%); background: var(--forest); color: var(--lime); font-family: "DM Mono", monospace; font-size: 9px; font-weight: 700; letter-spacing: .06em; }
.device-chip-top { top: 14%; right: -12%; }
.device-chip-bottom { bottom: 18%; left: -16%; color: #f4f8ec; border-color: rgb(244 248 236 / 45%); }

.section { padding-block: 90px; }
.section-title { max-width: 680px; margin: 0 0 14px; font-size: clamp(30px, 4vw, 46px); line-height: 1.12; letter-spacing: 0; }
.section-intro { max-width: 650px; margin: 0 0 36px; color: var(--muted); }
.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 48px; margin-bottom: 44px; }
.section-heading-row .section-title { margin-bottom: 0; }
.section-heading-row .section-intro { max-width: 330px; margin: 0 0 3px; font-size: 15px; }
.product-story { position: relative; overflow: hidden; background: #e6eee5; }
.product-story::before { position: absolute; inset: 0; background-image: repeating-linear-gradient(0deg, rgb(23 58 48 / 5%) 0, rgb(23 58 48 / 5%) 1px, transparent 1px, transparent 70px); content: ""; pointer-events: none; }
.product-story .section-inner { position: relative; }
.product-story-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(210px, .72fr); align-items: end; gap: 28px; }
.product-story-card { display: grid; gap: 26px; min-height: 630px; padding: 28px; }
.product-story-card-live { justify-items: start; background: var(--forest); color: #f4f8ec; }
.product-story-card-summary { justify-items: end; background: #f8faf6; border: 1px solid #ccd9ce; }
.product-story-card-summary .phone-device { margin-right: 18px; }
.story-copy { max-width: 285px; }
.story-copy .step-number { display: block; margin-bottom: 14px; }
.story-copy h3, .product-story-statement h3 { margin: 0 0 12px; font-family: Georgia, "Times New Roman", serif; font-size: 27px; font-weight: 500; line-height: 1.12; }
.story-copy p, .product-story-statement p:last-child { margin: 0; color: #cbdad1; font-size: 14px; }
.product-story-card-summary .story-copy p { color: var(--muted); }
.product-story-card-summary .phone-device { border-color: #b8c8bb; }
.product-story-card-summary .phone-speaker { background: rgb(11 22 17 / 78%); }
.summary-app-bar {
  position: absolute;
  z-index: 3;
  top: 0;
  right: 0;
  left: 0;
  display: grid;
  grid-template-columns: 30px 1fr 30px;
  align-items: center;
  height: 54px;
  padding-inline: 16px;
  background: rgb(251 253 251 / 96%);
  box-shadow: 0 1px 0 rgb(23 58 48 / 9%);
  color: var(--ink);
  font-size: 12px;
  backdrop-filter: blur(10px);
}
.summary-app-bar span { color: #008f80; font-size: 26px; font-weight: 400; line-height: 1; }
.summary-app-bar strong { grid-column: 2; text-align: center; font-size: 12px; }
.summary-scroll-body {
  position: absolute;
  top: 54px;
  right: 0;
  bottom: 62px;
  left: 0;
  overflow-x: hidden;
  overflow-y: auto;
  background: #f7f9f7;
  overscroll-behavior: contain;
  scrollbar-width: none;
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
}
.summary-scroll-body:focus-visible { outline: 3px solid var(--lime); outline-offset: -3px; }
.summary-scroll-body img { display: block; width: 100%; height: auto; }
.summary-scroll-body::-webkit-scrollbar { display: none; }
.summary-scroll-indicator { position: absolute; z-index: 4; top: 63px; right: 8px; width: 4px; height: 26px; border-radius: 999px; background: var(--trust); transition: transform .12s ease-out; pointer-events: none; }
.summary-action-bar { position: absolute; z-index: 3; right: 0; bottom: 0; left: 0; height: 62px; padding: 8px 13px 10px; background: rgb(251 253 251 / 98%); box-shadow: 0 -1px 0 rgb(23 58 48 / 8%); pointer-events: none; }
.summary-action-bar span { display: grid; height: 40px; place-items: center; border-radius: 20px; background: #008f80; box-shadow: 0 5px 11px rgb(0 143 128 / 17%); color: #fff; font-size: 13px; font-weight: 800; }
.product-story-statement { display: flex; min-height: 630px; flex-direction: column; justify-content: flex-end; padding: 28px; background: var(--coral); color: var(--forest); }
.statement-mark { display: grid; width: 42px; height: 42px; place-items: center; margin-bottom: auto; border: 1px solid var(--forest); border-radius: 50%; color: var(--forest); font-family: Georgia, serif; font-size: 26px; }
.product-story-statement .eyebrow { color: var(--forest); }
.product-story-statement h3 { max-width: 260px; font-size: 30px; }
.product-story-statement p:last-child { max-width: 270px; color: rgb(23 58 48 / 82%); font-size: 15px; }
.practice-loop { position: relative; overflow: hidden; background: #f4f7f4; }
.practice-loop::before { position: absolute; inset: 0; background-image: repeating-linear-gradient(90deg, rgb(23 58 48 / 5%) 0, rgb(23 58 48 / 5%) 1px, transparent 1px, transparent 25%); content: ""; pointer-events: none; }
.practice-loop .section-inner { position: relative; }
.practice-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 0; padding: 0; list-style: none; }
.practice-step { min-height: 238px; border: 1px solid #cfdbd1; padding: 22px; background: #fbfcf9; }
.practice-step + .practice-step { padding-left: 22px; }
.practice-step:last-child { border-right: 0; }
.step-number { color: var(--trust); font-family: "DM Mono", monospace; font-size: 12px; font-weight: 700; }
.practice-step h3 { margin: 32px 0 8px; font-size: 18px; letter-spacing: 0; }
.practice-step p { margin: 0; color: var(--muted); font-size: 15px; }
.trust-band { position: relative; overflow: hidden; background: var(--forest); color: #f4f8ec; }
.trust-band::before { position: absolute; inset: 0; background-image: repeating-linear-gradient(0deg, rgb(217 243 97 / 8%) 0, rgb(217 243 97 / 8%) 1px, transparent 1px, transparent 84px); content: ""; pointer-events: none; }
.trust-band .section-inner { position: relative; }
.trust-band .section-intro, .trust-band p { color: #d9e5dd; }
.trust-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 44px 0 0; padding: 0; list-style: none; }
.trust-list li { min-height: 158px; border: 1px solid rgb(217 243 97 / 36%); padding: 20px; background: rgb(255 255 255 / 4%); }
.trust-list li:first-child { border-left: 1px solid rgb(217 243 97 / 36%); padding-left: 20px; }
.trust-list strong { display: block; margin-bottom: 6px; color: var(--lime); font-size: 16px; }
.guide-entry { background: #edf1f4; }
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; border-top: 0; }
.guide-card { min-height: 250px; border: 1px solid #cad5d8; padding: 22px 24px 26px; background: #f9fbfb; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease; }
.guide-card + .guide-card { padding-left: 24px; }
.guide-card:last-child { border-right: 1px solid #cad5d8; }
.guide-card:hover { color: var(--trust); transform: translateY(-4px); box-shadow: 8px 8px 0 rgb(23 58 48 / 12%); }
.guide-card h3 { margin: 54px 0 8px; color: var(--ink); font-family: Georgia, "Times New Roman", serif; font-size: 25px; font-weight: 500; line-height: 1.12; letter-spacing: 0; }
.guide-card p { margin: 0; color: var(--muted); font-size: 14px; }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--trust); font-size: 14px; font-weight: 800; text-decoration: none; }
.text-link span { transition: transform .18s ease; }
.text-link:hover span { transform: translateX(5px); }
.demo-section { position: relative; overflow: hidden; background: #d9e5dd; border-block: 1px solid #bdd0c1; }
.demo-section::before { position: absolute; inset: 18px; border: 1px solid rgb(23 58 48 / 20%); content: ""; pointer-events: none; }
.demo-section .section-inner { position: relative; }
.demo-grid { display: grid; grid-template-columns: minmax(0, .82fr) minmax(300px, .7fr); align-items: center; gap: 104px; }
.demo-grid .section-title { max-width: 540px; }
.demo-grid .section-intro { max-width: 460px; }
.phone-device-video { width: min(100%, 296px); }
.technique-caption { margin: 18px 0 0; color: var(--forest); font-family: "DM Mono", monospace; font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.reveal-ready [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .42s ease, transform .42s cubic-bezier(.2,.8,.2,1); }
.reveal-ready [data-reveal].is-visible { opacity: 1; transform: translateY(0); }
.reveal-ready .practice-step:nth-child(2), .reveal-ready .guide-card:nth-child(2) { transition-delay: .08s; }
.reveal-ready .practice-step:nth-child(3), .reveal-ready .guide-card:nth-child(3) { transition-delay: .16s; }
.reveal-ready .practice-step:nth-child(4) { transition-delay: .24s; }

.article-layout { width: min(820px, var(--page)); margin-inline: auto; padding-block: 88px 112px; }
.editorial-page { width: min(1180px, var(--page)); padding-top: 42px; }
.article-hero-band { position: relative; overflow: hidden; margin-bottom: 58px; padding: 62px clamp(28px, 6vw, 76px); background: var(--forest); color: #f4f8ec; }
.article-hero-band::after { position: absolute; inset: 0; background-image: repeating-linear-gradient(90deg, rgb(217 243 97 / 8%) 0, rgb(217 243 97 / 8%) 1px, transparent 1px, transparent 80px); content: ""; pointer-events: none; }
.article-hero-band > * { position: relative; z-index: 1; }
.article-hero-band .eyebrow { color: var(--lime); }
.article-hero-band h1 { max-width: 760px; margin-bottom: 22px; color: #f4f8ec; }
.article-hero-band .article-lead { color: #d9e5dd; }
.article-proof-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; max-width: 830px; margin: 44px 0 0; }
.article-proof-points div { min-height: 94px; padding: 14px; border: 1px solid rgb(217 243 97 / 36%); background: rgb(255 255 255 / 5%); }
.article-proof-points dt { color: var(--lime); font-family: "DM Mono", monospace; font-size: 10px; font-weight: 700; }
.article-proof-points dd { margin: 20px 0 0; color: #f4f8ec; font-size: 13px; font-weight: 700; }
.article-layout h2 { margin: 48px 0 12px; font-size: 30px; line-height: 1.18; letter-spacing: 0; }
.article-layout h3 { margin: 30px 0 8px; font-size: 21px; letter-spacing: 0; }
.article-layout p, .article-layout li { color: var(--muted); }
.article-layout ul, .article-layout ol { padding-left: 22px; }
.depth-demo, .knee-path-visual { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .78fr); align-items: center; gap: 46px; margin: 48px 0 58px; padding: 32px; border: 1px solid #c7d7ca; background: #e8efeb; box-shadow: 12px 12px 0 rgb(23 58 48 / 8%); }
.depth-demo h2, .knee-path-visual h2 { margin-top: 8px; }
.depth-demo-copy > p:not(.eyebrow), .knee-path-copy > p:not(.eyebrow) { max-width: 430px; }
.depth-demo-points { display: grid; gap: 10px; margin: 24px 0 0; padding-left: 22px; }
.depth-demo-points li { padding-left: 4px; font-size: 14px; }
.depth-demo-points strong { color: var(--ink); }
.depth-demo-media { margin: 0; }
.depth-demo-media video { display: block; width: min(100%, 286px); margin-inline: auto; border: 8px solid #12221c; border-radius: 24px; background: #12221c; box-shadow: 10px 10px 0 rgb(23 58 48 / 14%); }
.depth-demo-media figcaption { max-width: 286px; margin: 14px auto 0; color: var(--trust); font-family: "DM Mono", monospace; font-size: 9px; font-weight: 700; letter-spacing: .06em; line-height: 1.5; text-align: center; text-transform: uppercase; }
.knee-path-visual { grid-template-columns: minmax(0, .82fr) minmax(320px, 1fr); background: #dceae2; }
.visual-disclaimer { padding-left: 13px; border-left: 3px solid var(--coral); font-size: 13px; }
.knee-trajectory-comparison { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.knee-trajectory { min-width: 0; padding: 14px; border: 1px solid #bfd1c4; background: rgb(255 255 255 / 64%); }
.knee-trajectory-bottom { border-color: rgb(200 107 82 / 42%); background: #fff8f4; }
.trajectory-stage { margin: 0; overflow: hidden; border-bottom: 1px solid #cbd9cf; background: #e6ece7; }
.trajectory-stage img { display: block; width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center; }
.trajectory-stage figcaption { padding: 9px 10px; color: var(--trust); font-family: "DM Mono", monospace; font-size: 9px; font-weight: 700; letter-spacing: .06em; text-align: center; text-transform: uppercase; }
.knee-trajectory p { margin: 14px 0 4px; color: var(--ink); font-size: 14px; font-weight: 800; }
.knee-trajectory > span:last-child { display: block; color: var(--muted); font-size: 12px; line-height: 1.45; }
.squat-drivers-section { display: grid; grid-template-columns: minmax(0, .78fr) minmax(420px, 1.1fr); align-items: center; gap: 42px; margin: 52px 0 18px; padding: 38px; background: #e8efeb; border: 1px solid #c7d7ca; box-shadow: 12px 12px 0 rgb(23 58 48 / 8%); }
.squat-drivers-section h2 { margin-top: 8px; }
.squat-drivers-copy > p { max-width: 390px; }
.squat-driver-list { display: grid; gap: 12px; margin: 28px 0; padding: 0; }
.squat-driver-list div { padding: 14px 16px; border-left: 3px solid var(--trust); background: rgb(255 255 255 / 54%); }
.squat-driver-list dt { color: var(--ink); font-size: 14px; font-weight: 800; }
.squat-driver-list dd { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.squat-muscle-figures { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.squat-muscle-figures figure { margin: 0; border: 1px solid #c7d2cb; background: #fff; box-shadow: 5px 5px 0 rgb(23 58 48 / 8%); }
.squat-muscle-figures img { display: block; width: 100%; height: auto; }
.squat-muscle-figures figcaption { padding: 12px; color: var(--muted); font-size: 12px; line-height: 1.4; }
.squat-muscle-figures figcaption span { display: block; margin-bottom: 4px; color: var(--ink); font-family: "DM Mono", monospace; font-size: 10px; font-weight: 700; text-transform: uppercase; }
.musclemap-credit { grid-column: 1 / -1; margin: 4px 0 0; color: var(--muted); font-family: "DM Mono", monospace; font-size: 10px; line-height: 1.45; }
.musclemap-credit a { color: var(--trust); }
.muscle-map-note { padding-left: 14px; border-left: 3px solid var(--coral); font-size: 14px; }
.product-practice-steps { display: grid; gap: 48px; margin: 48px 0; padding: 0; list-style: none; }
.product-practice-step {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  column-gap: clamp(36px, 7vw, 92px);
  align-items: start;
  border-top: 1px solid #b8c8bb;
  padding: 32px clamp(20px, 4vw, 48px);
  background: #f9fbf7;
  box-shadow: 8px 8px 0 rgb(23 58 48 / 6%);
}
.product-practice-copy { min-width: 0; }
.product-practice-step-live .product-practice-copy { align-self: center; }
.product-practice-step h2 { margin: 8px 0 12px; }
.product-practice-step .device-frame, .product-practice-step .phone-device { max-width: 300px; margin: 0; }
.product-practice-step:nth-child(even) { background: #e8efeb; }
.product-practice-step:last-child { min-height: 210px; grid-template-columns: minmax(0, 1fr); background: var(--coral); }
.product-practice-step:last-child p, .product-practice-step:last-child h2 { color: var(--forest); }
.phone-device-article { width: min(100%, 280px); }
.technique-guide-preview { display: grid; justify-items: end; gap: 12px; }
.technique-checklist { display: grid; gap: 8px; margin: 20px 0 0; padding: 0; list-style: none; }
.technique-checklist li { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.technique-checklist li::before { display: grid; width: 20px; height: 20px; place-items: center; border-radius: 50%; background: #e1f3ed; color: var(--trust); content: "\2713"; font-size: 12px; font-weight: 800; }
.technique-setup-steps { display: grid; gap: 9px; margin: 24px 0 0; padding: 0; list-style: none; counter-reset: technique-step; }
.technique-setup-steps li { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 10px; align-items: start; color: var(--muted); font-size: 14px; line-height: 1.45; counter-increment: technique-step; }
.technique-setup-steps li::before { display: grid; width: 24px; height: 24px; place-items: center; border: 1px solid #b9d9cf; border-radius: 50%; color: var(--trust); content: counter(technique-step); font-family: "DM Mono", monospace; font-size: 10px; font-weight: 700; }
.technique-preview-caption { max-width: 270px; margin: 0; color: var(--trust); font-family: "DM Mono", monospace; font-size: 9px; font-weight: 700; letter-spacing: .06em; text-align: right; text-transform: uppercase; }
.guide-callout { margin-block: 36px; padding: 34px; border-left: 4px solid var(--coral); background: var(--panel); }
.guide-callout-privacy { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, .62fr); column-gap: 44px; align-items: start; background: #dceae2; }
.guide-callout-privacy .eyebrow, .guide-callout-privacy h2 { grid-column: 1; }
.guide-callout-privacy p { grid-column: 2; margin: 0; }
.guide-callout-privacy p:last-child { margin-top: 12px; }
.guide-callout h2, .guide-callout h3 { margin-top: 0; }
.guide-callout p:last-child { margin-bottom: 0; }
.article-cta { margin-top: 56px; padding: 32px 0 0; border-top: 1px solid var(--line); }

.movement-survey { position: relative; overflow: hidden; background: #dfeae0; border-block: 1px solid #b8cdbb; }
.movement-survey::before { position: absolute; inset: 0; background-image: repeating-linear-gradient(90deg, rgb(23 58 48 / 6%) 0, rgb(23 58 48 / 6%) 1px, transparent 1px, transparent 72px); content: ""; pointer-events: none; }
.movement-survey-inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, .88fr) minmax(380px, 1fr); gap: clamp(34px, 7vw, 96px); align-items: start; }
.movement-survey-copy > p:last-child { max-width: 450px; margin: 0; color: var(--muted); font-size: 16px; }
.movement-survey-form, .survey-success { padding: 24px; border: 1px solid #abc4b0; background: rgb(250 253 248 / 88%); box-shadow: 8px 8px 0 rgb(23 58 48 / 11%); }
.movement-survey-form fieldset { margin: 0; padding: 0; border: 0; }
.movement-survey-form legend { margin-bottom: 12px; color: var(--ink); font-size: 14px; font-weight: 800; }
.movement-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.movement-options label { position: relative; display: flex; min-height: 46px; align-items: center; cursor: pointer; }
.movement-options input { position: absolute; opacity: 0; }
.movement-options span { display: flex; width: 100%; min-height: 46px; align-items: center; padding: 10px 12px; border: 1px solid #c4d6c7; background: #fff; color: var(--ink); font-size: 13px; font-weight: 700; transition: border-color .18s ease, background .18s ease, box-shadow .18s ease; }
.movement-options input:checked + span { border-color: var(--forest); background: var(--lime); box-shadow: 3px 3px 0 var(--forest); }
.movement-options input:focus-visible + span { outline: 3px solid var(--trust); outline-offset: 2px; }
.other-movement-field { display: grid; gap: 6px; margin-top: 14px; color: var(--ink); font-size: 13px; font-weight: 700; }
.other-movement-field input { min-height: 44px; border: 1px solid #abc4b0; border-radius: 0; padding: 9px 10px; background: #fff; color: var(--ink); }
.other-movement-field input:focus { outline: 3px solid var(--trust); outline-offset: 2px; }
.survey-privacy-note { margin: 16px 0; color: var(--muted); font-size: 12px; }
.survey-error { margin: 0 0 12px; color: #9a3326; font-size: 13px; font-weight: 700; }
.movement-survey-form .button-primary { width: 100%; }
.movement-survey-form .button-primary:disabled { cursor: wait; opacity: .65; transform: none; box-shadow: 2px 2px 0 var(--forest); }
.survey-success p { margin: 0; color: var(--ink); font-size: 15px; font-weight: 700; }
.survey-success .survey-selection { margin-top: 10px; color: var(--muted); font-size: 13px; font-weight: 500; }
.survey-change { min-height: 44px; margin-top: 18px; border: 0; border-bottom: 1px solid var(--trust); padding: 0; background: transparent; color: var(--trust); cursor: pointer; font-weight: 800; }
.movement-survey-article { margin: 58px 0 0; padding: 36px; }
.movement-survey-article .movement-survey-inner { width: 100%; }

.closing-cta { position: relative; overflow: hidden; background: var(--coral); }
.closing-cta::after { position: absolute; inset: 0; background-image: repeating-linear-gradient(90deg, rgb(23 58 48 / 8%) 0, rgb(23 58 48 / 8%) 1px, transparent 1px, transparent 78px); content: ""; pointer-events: none; }
.closing-cta .section-inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 32px; }
.closing-cta .eyebrow { color: var(--forest); }
.closing-cta .section-title { max-width: 720px; margin-bottom: 0; color: var(--forest); }
.closing-cta .button-primary { margin-bottom: 4px; background: var(--forest); border-color: var(--forest); color: #f4f8ec; box-shadow: 5px 5px 0 #f4f8ec; }
.closing-cta .button-primary:hover { background: #254b40; box-shadow: 7px 7px 0 #f4f8ec; }

.site-footer { padding-block: 36px; color: #d9e5dd; }
.footer-band { background: var(--forest); }
.footer-content { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.site-footer p { margin: 0; font-size: 13px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-nav a { font-size: 13px; text-decoration: none; }

.early-access-hero { background: #e6eee5; border-bottom: 1px solid #c4d5c6; }
.early-access-hero .section-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .8fr); gap: clamp(36px, 7vw, 96px); align-items: center; padding-block: 86px; }
.early-access-hero h1 { max-width: 760px; margin: 12px 0 20px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(42px, 6vw, 72px); font-weight: 500; line-height: 1; }
.early-access-hero .hero-copy { color: var(--muted); }
.early-access-status { display: inline-flex; align-items: center; gap: 9px; padding: 8px 11px; border: 1px solid #abc4b0; color: var(--trust); font-family: "DM Mono", monospace; font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.early-access-status::before { width: 8px; height: 8px; border-radius: 50%; background: #17a889; content: ""; }
.early-access-hero-media { position: relative; margin: 0; border: 1px solid #b8c8bb; background: var(--forest); box-shadow: 12px 12px 0 rgb(23 58 48 / 12%); }
.early-access-hero-media img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.early-access-hero-media figcaption { padding: 11px 14px; color: #e5f1e7; font-family: "DM Mono", monospace; font-size: 10px; letter-spacing: .06em; text-transform: uppercase; }
.early-access-section { padding-block: 86px; }
.early-access-section:nth-of-type(even) { background: #f0f5ee; border-block: 1px solid #d5e1d5; }
.early-access-section .section-inner { position: relative; }
.early-access-section-heading { max-width: 720px; margin-bottom: 38px; }
.early-access-section-heading .section-title { margin-bottom: 10px; }
.early-access-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 0; padding: 0; list-style: none; }
.early-access-grid li { min-height: 170px; padding: 23px; border: 1px solid #cbd9cc; background: #fbfdf9; }
.early-access-grid strong { display: block; margin-bottom: 9px; color: var(--ink); font-size: 16px; }
.early-access-grid span { display: block; color: var(--muted); font-size: 14px; }
.early-access-flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin: 0; padding: 0; list-style: none; counter-reset: beta-step; }
.early-access-flow li { position: relative; min-height: 180px; padding: 24px 24px 24px 0; border-top: 2px solid var(--trust); counter-increment: beta-step; }
.early-access-flow li::before { display: block; margin-bottom: 30px; color: var(--trust); content: "0" counter(beta-step); font-family: "DM Mono", monospace; font-size: 11px; font-weight: 700; }
.early-access-flow strong { display: block; margin-bottom: 8px; font-size: 15px; }
.early-access-flow span { color: var(--muted); font-size: 13px; }
.early-access-boundary { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 42px; align-items: start; padding: 30px; border-left: 4px solid var(--trust); background: #e8f0e6; }
.early-access-boundary h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 30px; font-weight: 500; line-height: 1.1; }
.early-access-boundary p { margin: 0; color: var(--muted); font-size: 14px; }
.early-access-signup { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .82fr); gap: 52px; align-items: start; }
.early-access-signup-copy { max-width: 560px; }
.early-access-signup-copy p { color: var(--muted); }
.early-access-form { padding: 26px; border: 1px solid #abc4b0; background: #fbfdf9; box-shadow: 8px 8px 0 rgb(23 58 48 / 10%); }
.early-access-form label { display: grid; gap: 7px; margin-bottom: 16px; color: var(--ink); font-size: 13px; font-weight: 800; }
.early-access-form input[type="email"] { min-height: 48px; border: 1px solid #abc4b0; border-radius: 0; padding: 10px 12px; background: #fff; color: var(--ink); }
.early-access-form input:focus-visible { outline: 3px solid var(--trust); outline-offset: 2px; }
.early-access-consent { display: flex !important; grid-template-columns: auto 1fr; align-items: start; gap: 10px !important; font-size: 12px !important; font-weight: 500 !important; }
.early-access-consent input { width: 17px; height: 17px; margin: 1px 0 0; accent-color: var(--trust); }
.early-access-form .button-primary { width: 100%; margin-top: 6px; }
.early-access-form-status { min-height: 24px; margin: 0 0 10px; color: #9a3326; font-size: 12px; font-weight: 700; }
.early-access-form-status:empty { display: none; }
.early-access-form-success { margin: 18px 0 0; padding: 14px; border-left: 3px solid var(--trust); background: #e8f0e6; color: var(--ink); font-size: 13px; }
.early-access-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.early-access-links .button-primary { min-width: 190px; }
.early-access-links .text-link { align-self: center; }

@media (max-width: 720px) {
  .early-access-hero .section-inner, .early-access-signup, .early-access-boundary { grid-template-columns: 1fr; }
  .early-access-hero .section-inner, .early-access-section { padding-block: 62px; }
  .early-access-hero h1 { font-size: 43px; }
  .early-access-grid { grid-template-columns: 1fr; }
  .early-access-flow { grid-template-columns: 1fr 1fr; gap: 18px; }
  .early-access-flow li { min-height: 160px; padding-right: 10px; }
  .early-access-flow li::before { margin-bottom: 18px; }
  .early-access-form { padding: 22px; }
}

@media (max-width: 720px) {
  :root { --page: min(100% - 32px, 1120px); }
  .desktop-nav, .site-header > .button-primary { display: none; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .hero-grid { min-height: auto; grid-template-columns: 1fr; gap: 42px; padding-block: 56px 34px; }
  .hero h1, .article-layout h1 { font-size: 42px; }
  .hero-copy, .article-lead { font-size: 17px; }
  .device-frame { max-width: 300px; margin-inline: auto; }
  .hero-device-stage { min-height: 550px; }
  .phone-device-hero { width: min(100%, 286px); }
  .device-chip-top { right: 0; }
  .device-chip-bottom { left: 0; }
  .section { padding-block: 72px; }
  .practice-steps, .trust-list, .guide-grid { grid-template-columns: 1fr; gap: 0; }
  .section-heading-row { display: block; margin-bottom: 32px; }
  .section-heading-row .section-intro { margin-top: 18px; }
  .product-story-grid { grid-template-columns: 1fr; gap: 18px; }
  .product-story-card { min-height: 0; padding: 24px; }
  .product-story-card-live, .product-story-card-summary { justify-items: center; }
  .product-story-card-summary .phone-device { margin-right: 0; }
  .product-story-card .phone-device { width: min(100%, 270px); }
  .live-coach-timer { top: 5%; right: 7%; min-width: 60px; padding: 6px 8px; font-size: 12px; }
  .live-coach-frame { inset: 17% 10% 31%; }
  .frame-corner { width: 20px; height: 20px; }
  .live-coach-status { right: 8%; bottom: 16%; }
  .live-coach-status strong { font-size: 14px; }
  .live-coach-set { bottom: 17%; left: 8%; }
  .live-coach-set strong { font-size: 27px; }
  .live-coach-set small { font-size: 12px; }
  .live-coach-actions { right: 4%; bottom: 4%; left: 4%; gap: 6px; }
  .live-coach-action { min-height: 38px; gap: 6px; border-radius: 11px; font-size: 11px; }
  .story-copy { max-width: none; }
  .product-story-card-live .story-copy { order: 2; }
  .product-story-card-summary .story-copy { order: 2; }
  .product-story-statement { min-height: 360px; padding: 26px; }
  .statement-mark { margin-bottom: 40px; }
  .demo-grid { grid-template-columns: 1fr; gap: 44px; }
  .technique-device-stage { justify-items: center; }
  .phone-device-video { width: min(100%, 274px); }
  .practice-step, .practice-step + .practice-step { min-height: 0; border: 1px solid #cfdbd1; padding: 20px; }
  .practice-step h3 { margin-top: 18px; }
  .practice-step:last-child { border-bottom: 0; }
  .trust-list li, .trust-list li:first-child { min-height: 0; border: 1px solid rgb(217 243 97 / 36%); padding: 20px; }
  .trust-list li:last-child { border-bottom: 1px solid rgb(217 243 97 / 36%); }
  .guide-card, .guide-card + .guide-card { min-height: 0; border: 1px solid #cad5d8; padding: 24px; }
  .product-practice-steps { gap: 36px; margin-block: 40px; }
  .product-practice-step { grid-template-columns: 1fr; gap: 24px; }
  .product-practice-step .device-frame, .product-practice-step .phone-device { width: min(100%, 300px); max-width: 300px; margin: 0 auto; }
  .technique-guide-preview { justify-items: center; }
  .technique-preview-caption { text-align: center; }
  .squat-drivers-section { grid-template-columns: 1fr; gap: 22px; margin-top: 38px; padding: 20px; }
  .depth-demo, .knee-path-visual { grid-template-columns: 1fr; gap: 28px; margin-block: 38px 46px; padding: 22px; }
  .depth-demo-media video { width: min(100%, 250px); }
  .knee-trajectory-comparison { grid-template-columns: 1fr; gap: 12px; }
  .guide-callout-privacy { grid-template-columns: 1fr; gap: 14px; }
  .guide-callout-privacy .eyebrow, .guide-callout-privacy h2, .guide-callout-privacy p { grid-column: 1; }
  .guide-callout-privacy p:last-child { margin-top: 0; }
  .guide-card { min-height: 0; }
  .guide-card h3 { margin-top: 28px; }
  .movement-survey-inner { grid-template-columns: 1fr; gap: 28px; }
  .movement-options { grid-template-columns: 1fr; }
  .movement-survey-article { margin-top: 42px; padding: 22px; }
  .footer-content { align-items: flex-start; flex-direction: column; }
  .closing-cta .section-inner { grid-template-columns: 1fr; align-items: start; }
}

@media (min-width: 721px) {
  .menu-toggle, [data-site-menu][hidden] { display: none; }
}

@media (max-width: 360px) {
  :root { --page: calc(100% - 24px); }
  .site-header { min-height: 64px; gap: 12px; }
  .brand { font-size: 16px; }
  .hero-grid { padding-top: 36px; }
  .hero-device-stage { min-height: 510px; }
  .hero h1, .article-layout h1 { font-size: 36px; }
  .hero-actions, .hero-actions .button-primary { width: 100%; }
  .section { padding-block: 52px; }
  .section-title { font-size: 29px; }
  .article-layout { padding-block: 56px 72px; }
  .article-layout h2 { font-size: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal-ready [data-reveal] { opacity: 1; transform: none; }
}