:root {
  --navy: #0b3155;
  --navy-2: #071f38;
  --pink: #e82278;
  --pink-dark: #bf135b;
  --turquoise: #13bfc0;
  --sand: #f8f4f2;
  --rose: #fcebf2;
  --paper: #ffffff;
  --ink: #172331;
  --muted: #596574;
  --line: #dfe5e9;
  --success: #14745a;
  --shadow: 0 20px 60px rgba(11, 49, 85, .12);
  --radius: 22px;
  --shell: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
button, input, select { font: inherit; }
button { color: inherit; }
h1, h2, h3 { margin: 0; color: var(--navy); font-weight: 760; letter-spacing: -.035em; line-height: 1.08; }
h1 { font-size: clamp(2.65rem, 6vw, 5.8rem); }
h2 { font-size: clamp(2.15rem, 4.2vw, 4.1rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); }
p { margin: 0; }
svg { width: 1.3em; height: 1.3em; flex: 0 0 auto; }

.shell { width: min(calc(100% - 40px), var(--shell)); margin-inline: auto; }
.section { padding: clamp(78px, 10vw, 132px) 0; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 1000; padding: 11px 16px; border-radius: 10px; background: var(--navy); color: white; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 20px; color: var(--pink-dark); font-size: .78rem; font-weight: 800; letter-spacing: .14em; line-height: 1.2; text-transform: uppercase; }
.eyebrow::before { width: 28px; height: 2px; background: currentColor; content: ""; }
.button { display: inline-flex; min-height: 54px; align-items: center; justify-content: center; gap: 10px; padding: 13px 24px; border: 1px solid var(--pink); border-radius: 999px; background: var(--pink); color: white; font-size: .93rem; font-weight: 760; line-height: 1.25; text-decoration: none; box-shadow: 0 10px 25px rgba(232, 34, 120, .2); transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { background: var(--pink-dark); transform: translateY(-2px); box-shadow: 0 14px 28px rgba(232, 34, 120, .28); }
.button:focus-visible, a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid #ffbf47; outline-offset: 4px; }
.button-secondary { border-color: var(--navy); background: transparent; color: var(--navy); box-shadow: none; }
.button-secondary:hover { background: var(--navy); color: white; }
.button-small { min-height: 42px; padding: 8px 18px; font-size: .82rem; }
.button-wide { width: 100%; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; }
.text-link { display: inline-flex; align-items: center; gap: 9px; color: var(--pink-dark); font-weight: 760; text-decoration: none; }
.text-link:hover { text-decoration: underline; }

.site-header { position: sticky; top: 0; z-index: 100; border-bottom: 1px solid rgba(11, 49, 85, .08); background: rgba(255, 255, 255, .92); backdrop-filter: blur(18px); }
.site-header.is-scrolled { box-shadow: 0 8px 30px rgba(11, 49, 85, .08); }
.header-inner { display: grid; min-height: 76px; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; }
.brand { display: inline-flex; width: 137px; align-items: center; }
.brand img { width: 100%; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: clamp(20px, 3vw, 38px); }
.main-nav a { position: relative; color: var(--navy); font-size: .9rem; font-weight: 700; text-decoration: none; }
.main-nav a::after { position: absolute; right: 0; bottom: -9px; left: 0; height: 2px; background: var(--pink); content: ""; transform: scaleX(0); transition: transform .2s ease; }
.main-nav a:hover::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border: 0; border-radius: 50%; background: var(--sand); cursor: pointer; }
.language-picker { position: relative; }
.language-picker summary { display: flex; min-width: 64px; height: 42px; align-items: center; justify-content: center; gap: 7px; border: 1px solid var(--line); border-radius: 999px; color: var(--navy); font-size: .78rem; font-weight: 800; list-style: none; cursor: pointer; }
.language-picker summary::-webkit-details-marker { display: none; }
.language-picker summary svg { width: 18px; }
.language-menu { position: absolute; top: calc(100% + 10px); right: 0; width: 180px; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: white; box-shadow: var(--shadow); }
.language-menu a { display: flex; align-items: center; gap: 12px; padding: 11px 15px; color: var(--ink); font-size: .8rem; font-weight: 800; text-decoration: none; }
.language-menu a span { color: var(--muted); font-weight: 550; }
.language-menu a:hover, .language-menu a[aria-current="page"] { background: var(--rose); color: var(--pink-dark); }

.hero { position: relative; min-height: 700px; overflow: hidden; padding: clamp(70px, 9vw, 118px) 0 clamp(85px, 10vw, 132px); background: linear-gradient(135deg, #fff 0%, #fff8fb 55%, #e6fafa 100%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr); align-items: center; gap: clamp(30px, 6vw, 92px); }
.hero-copy { position: relative; z-index: 2; }
.hero-copy h1 { max-width: 780px; }
.hero-copy > p { max-width: 680px; margin: 27px 0 34px; color: var(--muted); font-size: clamp(1.05rem, 1.7vw, 1.25rem); line-height: 1.65; }
.hero-visual { position: relative; min-height: 510px; display: grid; place-items: center; }
.hero-petal { position: absolute; width: 430px; height: 430px; border-radius: 44% 56% 61% 39% / 52% 40% 60% 48%; background: linear-gradient(145deg, #ffd7e8 0%, #ffc0dc 100%); transform: rotate(-8deg); box-shadow: inset 0 0 0 1px rgba(232,34,120,.12); }
.hero-product { position: relative; z-index: 2; width: min(92%, 460px); filter: drop-shadow(0 32px 25px rgba(11,49,85,.2)); transform: rotate(-6deg); animation: float 6s ease-in-out infinite; }
.hero-box { position: absolute; right: 2%; bottom: 4%; z-index: 3; width: 110px; filter: drop-shadow(0 18px 14px rgba(11,49,85,.18)); transform: rotate(7deg); }
.hero-badge { position: absolute; top: 4%; right: 1%; z-index: 4; display: grid; width: 104px; height: 104px; place-items: center; align-content: center; border-radius: 50%; background: var(--navy); color: white; box-shadow: var(--shadow); text-align: center; transform: rotate(8deg); }
.hero-badge strong { font-size: 2rem; line-height: 1; }
.hero-badge span { font-size: .7rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(1px); opacity: .55; }
.hero-orb-one { top: 8%; left: -90px; width: 230px; height: 230px; background: #ffd8e8; }
.hero-orb-two { right: -120px; bottom: -150px; width: 420px; height: 420px; background: #bceeee; }
@keyframes float { 0%,100% { transform: rotate(-6deg) translateY(0); } 50% { transform: rotate(-4deg) translateY(-14px); } }

.trust-strip { position: relative; z-index: 5; margin-top: -46px; }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); overflow: hidden; border: 1px solid rgba(11,49,85,.08); border-radius: 22px; background: white; box-shadow: var(--shadow); }
.trust-grid > div { display: flex; min-height: 126px; align-items: center; gap: 17px; padding: 26px 30px; }
.trust-grid > div + div { border-left: 1px solid var(--line); }
.trust-icon { display: grid; width: 48px; height: 48px; flex: 0 0 auto; place-items: center; border-radius: 50%; background: var(--rose); color: var(--pink-dark); }
.trust-grid strong { display: block; margin-bottom: 4px; color: var(--navy); font-size: 1rem; }
.trust-grid p { color: var(--muted); font-size: .82rem; line-height: 1.45; }

.split-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .95fr); align-items: center; gap: clamp(55px, 8vw, 110px); }
.movement-visual { position: relative; }
.image-frame { padding: clamp(25px, 5vw, 60px); border-radius: 48px 12px 48px 12px; background: var(--sand); }
.image-frame img { width: 100%; mix-blend-mode: multiply; }
.axis-label { position: absolute; display: grid; width: 48px; height: 48px; place-items: center; border-radius: 50%; background: var(--pink); color: white; font-weight: 850; box-shadow: 0 12px 22px rgba(232, 34, 120, .3); }
.axis-a { right: 29%; bottom: 29%; }
.axis-b { right: 38%; bottom: 21%; background: var(--turquoise); }
.section-copy > p, .section-heading > p { margin-top: 26px; color: var(--muted); font-size: 1.05rem; }
.evidence-note { display: flex; align-items: flex-start; gap: 14px; margin-top: 30px; padding: 22px; border-left: 4px solid var(--turquoise); border-radius: 0 14px 14px 0; background: #ecfafa; color: var(--navy); }
.evidence-note svg { margin-top: 3px; color: var(--turquoise); }
.evidence-note p { font-size: .88rem; line-height: 1.55; }

.anatomy-section { background: var(--navy); }
.anatomy-section h2, .anatomy-section .eyebrow { color: white; }
.section-heading { max-width: 820px; margin-bottom: 52px; }
.section-heading.centered { margin-right: auto; margin-left: auto; text-align: center; }
.section-heading.centered .eyebrow { justify-content: center; }
.section-heading.inverse h2, .section-heading.inverse .eyebrow { color: white; }
.anatomy-grid { display: grid; grid-template-columns: minmax(340px, .85fr) minmax(0, 1.15fr); align-items: center; gap: clamp(40px, 8vw, 100px); }
.anatomy-image { position: relative; min-height: 520px; display: grid; place-items: center; border-radius: 40px; background: white; }
.anatomy-image img { width: min(90%, 440px); }
.hotspot { position: absolute; display: grid; width: 35px; height: 35px; place-items: center; border: 3px solid white; border-radius: 50%; background: var(--turquoise); color: var(--navy); font-size: .72rem; font-weight: 850; box-shadow: 0 0 0 7px rgba(19,191,192,.2); transition: transform .2s ease, background .2s ease; }
.hotspot.is-active { background: var(--pink); color: white; transform: scale(1.2); box-shadow: 0 0 0 9px rgba(232,34,120,.22); }
.hotspot-toe { top: 38%; left: 25%; }
.hotspot-hinge { top: 59%; left: 46%; }
.hotspot-pad { top: 32%; right: 25%; }
.hotspot-strap { right: 17%; bottom: 18%; }
.component-list { display: grid; gap: 12px; }
.component-item { display: grid; width: 100%; grid-template-columns: 52px 1fr; gap: 10px; padding: 22px 24px; border: 1px solid rgba(255,255,255,.14); border-radius: 16px; background: rgba(255,255,255,.05); color: white; text-align: left; cursor: pointer; transition: border .2s ease, background .2s ease, transform .2s ease; }
.component-item > span:first-child { color: var(--turquoise); font-size: .77rem; font-weight: 850; letter-spacing: .12em; }
.component-item strong { display: block; color: white; font-size: 1.15rem; }
.component-item small { display: none; margin-top: 8px; color: rgba(255,255,255,.72); font-size: .88rem; line-height: 1.55; }
.component-item:hover, .component-item.is-active { border-color: var(--turquoise); background: rgba(19,191,192,.12); transform: translateX(5px); }
.component-item.is-active small { display: block; }

.use-section { background: linear-gradient(180deg, #fff, var(--sand)); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.steps-grid article { min-height: 280px; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.steps-grid article > span { display: inline-block; margin-bottom: 54px; color: var(--pink); font-size: 2.5rem; font-weight: 300; letter-spacing: -.05em; }
.steps-grid h3 { margin-bottom: 15px; }
.steps-grid p { color: var(--muted); font-size: .93rem; }
.medical-disclaimer { display: flex; align-items: flex-start; gap: 12px; margin-top: 28px; padding: 20px 24px; border-radius: 14px; background: #fff7dc; color: #544715; font-size: .85rem; line-height: 1.55; }
.medical-disclaimer svg { margin-top: 2px; }

.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card { position: relative; overflow: hidden; padding: 18px 18px 20px; border: 1px solid var(--line); border-radius: 28px; background: white; box-shadow: 0 12px 40px rgba(11,49,85,.07); transition: transform .25s ease, box-shadow .25s ease; }
.product-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); }
.product-image { display: grid; min-height: 270px; place-items: center; overflow: hidden; border-radius: 18px; background: var(--sand); }
.product-image img { width: 100%; transition: transform .35s ease; }
.product-card:hover .product-image img { transform: scale(1.045) rotate(-2deg); }
.product-body { display: flex; align-items: center; gap: 14px; padding: 22px 4px 18px; }
.product-body h3 { font-size: 1.25rem; }
.product-body p { margin-top: 5px; color: var(--muted); font-size: .82rem; }
.color-dot { width: 25px; height: 25px; flex: 0 0 auto; border: 5px solid white; border-radius: 50%; background: #d8c3a5; box-shadow: 0 0 0 1px var(--line); }
.product-magenta .color-dot { background: #e0006f; }
.product-turquoise .color-dot { background: #08bab4; }

.evidence-section { background: var(--navy-2); color: white; }
.evidence-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.evidence-grid article { padding: 32px; border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); background: rgba(255,255,255,.055); }
.evidence-grid article > span { display: grid; width: 48px; height: 48px; place-items: center; margin-bottom: 40px; border-radius: 50%; background: rgba(19,191,192,.15); color: var(--turquoise); }
.evidence-grid h3 { margin-bottom: 15px; color: white; }
.evidence-grid p { color: rgba(255,255,255,.72); font-size: .91rem; }
.source-inline { margin-top: 30px; text-align: center; }
.source-inline a { display: inline-flex; align-items: center; gap: 7px; color: #b8f3ee; font-size: .82rem; }

.knowledge-section { background: var(--sand); }
.knowledge-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.knowledge-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: white; box-shadow: 0 12px 35px rgba(11,49,85,.06); }
.knowledge-image { display: block; height: 260px; overflow: hidden; background: #f0f4f5; }
.knowledge-image img { width: 100%; height: 100%; object-fit: contain; padding: 16px; transition: transform .35s ease; }
.knowledge-card:hover .knowledge-image img { transform: scale(1.045); }
.knowledge-body { padding: 29px; }
.knowledge-body > span { color: var(--pink-dark); font-size: .7rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.knowledge-body h3 { margin: 12px 0 15px; }
.knowledge-body h3 a { text-decoration: none; }
.knowledge-body p { margin-bottom: 23px; color: var(--muted); font-size: .9rem; }
.section-cta { margin-top: 40px; text-align: center; }

.faq-grid { display: grid; grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr); gap: clamp(45px, 8vw, 100px); }
.faq-grid .section-heading { position: sticky; top: 120px; align-self: start; }
.faq-grid .section-heading img { width: min(100%, 320px); margin-top: 35px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; min-height: 86px; align-items: center; justify-content: space-between; gap: 20px; color: var(--navy); font-size: 1.05rem; font-weight: 740; list-style: none; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { font-size: 1.7rem; font-weight: 300; transition: transform .2s ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { max-width: 720px; padding: 0 40px 26px 0; color: var(--muted); font-size: .92rem; }

.site-footer { padding: 75px 0 25px; background: var(--navy); color: rgba(255,255,255,.72); }
.footer-grid { display: grid; grid-template-columns: 1.4fr .7fr 1.15fr .9fr; gap: 45px; }
.footer-brand img { width: 150px; padding: 9px; border-radius: 8px; background: white; }
.footer-brand p { max-width: 370px; margin-top: 23px; font-size: .78rem; }
.footer-grid h2 { margin-bottom: 17px; color: white; font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; }
.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-grid a, .footer-grid span { font-size: .78rem; }
.footer-grid a { display: inline-flex; align-items: center; gap: 5px; text-decoration: none; }
.footer-grid a svg { width: 15px; }
.footer-grid a:hover { color: white; text-decoration: underline; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 55px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.13); font-size: .72rem; }

.a11y-panel { position: fixed; right: 12px; bottom: 18px; z-index: 80; display: grid; gap: 6px; padding: 6px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.94); box-shadow: 0 12px 35px rgba(11,49,85,.18); backdrop-filter: blur(12px); }
.a11y-panel button { display: flex; width: 42px; height: 42px; align-items: center; gap: 8px; overflow: hidden; padding: 0; border: 0; border-radius: 11px; background: transparent; color: var(--navy); font-size: .72rem; font-weight: 750; cursor: pointer; transition: width .2s ease, background .2s ease; }
.a11y-panel button > span:first-child { display: grid; width: 42px; flex: 0 0 42px; place-items: center; font-size: .9rem; }
.a11y-panel button:hover, .a11y-panel button:focus-visible { width: 160px; background: var(--rose); }
.a11y-panel button[aria-pressed="true"] { background: var(--navy); color: white; }

.subhero { padding: 75px 0 86px; background: linear-gradient(135deg, var(--rose), #edfafa); }
.subhero .shell { max-width: 900px; }
.subhero h1 { font-size: clamp(2.7rem, 5vw, 5rem); }
.subhero p { max-width: 740px; margin-top: 25px; color: var(--muted); font-size: 1.12rem; }
.breadcrumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-bottom: 38px; color: var(--muted); font-size: .76rem; }
.breadcrumbs a { color: var(--pink-dark); }
.knowledge-grid-index { padding-bottom: 20px; }
.article-disclaimer { padding: 35px 0; background: #fff7dc; }
.article-disclaimer .shell { display: flex; align-items: flex-start; gap: 13px; max-width: 900px; color: #544715; font-size: .88rem; }

.article-hero { padding: 60px 0 130px; background: var(--navy); color: white; }
.article-hero .shell { max-width: 930px; }
.article-hero .breadcrumbs { color: rgba(255,255,255,.62); }
.article-hero .breadcrumbs a { color: #b8f3ee; }
.article-hero .eyebrow { color: #9eebe7; }
.article-hero h1 { color: white; font-size: clamp(2.6rem, 5.5vw, 5.2rem); }
.article-hero > .shell > p { max-width: 820px; margin-top: 28px; color: rgba(255,255,255,.78); font-size: 1.16rem; }
.article-meta { display: flex; flex-wrap: wrap; gap: 10px 25px; margin-top: 30px; color: rgba(255,255,255,.55); font-size: .77rem; }
.article-cover { position: relative; z-index: 2; max-width: 1040px; height: 470px; margin-top: -80px; overflow: hidden; border: 10px solid white; border-radius: 28px; background: var(--sand); box-shadow: var(--shadow); }
.article-cover img { width: 100%; height: 100%; object-fit: contain; padding: 28px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 720px) 280px; align-items: start; justify-content: center; gap: 70px; padding-top: 80px; padding-bottom: 110px; }
.article-content section + section { margin-top: 52px; }
.article-content h2 { margin-bottom: 23px; font-size: clamp(1.75rem, 3vw, 2.5rem); }
.article-content p { color: #3f4b58; }
.article-content p + p { margin-top: 19px; }
.article-sources { margin-top: 55px; padding-top: 30px; border-top: 1px solid var(--line); }
.article-sources h2 { font-size: 1.35rem; }
.article-sources ol { padding-left: 22px; color: var(--muted); font-size: .82rem; }
.article-sources li + li { margin-top: 10px; }
.article-sources a { display: inline-flex; align-items: center; gap: 6px; }
.article-sources svg { width: 15px; }
.article-aside { position: sticky; top: 110px; }
.article-aside > div { padding: 18px; border: 1px solid var(--line); border-radius: 20px; background: var(--sand); }
.article-aside > div > span { display: block; color: var(--pink-dark); font-size: .7rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.article-aside img { margin: 10px 0; }
.article-aside > .text-link { margin-top: 24px; font-size: .82rem; }
.article-aside > .text-link svg { transform: rotate(180deg); }

.legal-page { max-width: 820px; padding-top: 75px; padding-bottom: 110px; }
.legal-page section + section { margin-top: 45px; }
.legal-page h2 { margin-bottom: 18px; font-size: 1.8rem; }
.legal-page p { color: var(--muted); }
.legal-page > p:last-child { margin-top: 50px; font-size: .82rem; }

[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }

html.text-large { font-size: 19px; }
html.high-contrast { --navy: #001b32; --navy-2: #00111f; --pink: #bd0050; --pink-dark: #9b003f; --turquoise: #007e80; --ink: #000; --muted: #222; --line: #6c6c6c; }
html.high-contrast .site-header { border-bottom: 2px solid #000; background: #fff; backdrop-filter: none; }
html.high-contrast .button { border-width: 2px; box-shadow: none; }
html.high-contrast .hero { background: white; }
html.high-contrast .hero-petal { background: #ffe0ea; border: 2px solid #000; }
html.high-contrast .evidence-section, html.high-contrast .anatomy-section, html.high-contrast .site-footer { background: #000; }

@media (max-width: 980px) {
  .header-inner { grid-template-columns: auto auto 1fr; gap: 12px; }
  .brand { width: 125px; }
  .nav-toggle { display: inline-flex; }
  .main-nav { position: fixed; inset: 76px 0 auto; display: grid; align-content: start; gap: 0; padding: 18px 20px 28px; border-bottom: 1px solid var(--line); background: white; box-shadow: var(--shadow); transform: translateY(-130%); transition: transform .28s ease; }
  .nav-open .main-nav { transform: translateY(0); }
  .main-nav a { padding: 16px 6px; border-bottom: 1px solid var(--line); font-size: 1rem; }
  .main-nav a::after { display: none; }
  .header-actions { justify-content: flex-end; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 780px; }
  .hero-visual { min-height: 440px; }
  .hero-petal { width: 390px; height: 390px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-grid > div + div { border-top: 1px solid var(--line); border-left: 0; }
  .split-grid, .anatomy-grid, .faq-grid { grid-template-columns: 1fr; }
  .movement-visual { max-width: 650px; }
  .anatomy-image { max-width: 600px; width: 100%; margin-inline: auto; }
  .steps-grid, .products-grid, .evidence-grid { grid-template-columns: 1fr; }
  .product-card { display: grid; grid-template-columns: minmax(240px, 1fr) minmax(200px, .85fr); align-items: center; gap: 12px; }
  .product-card .button { grid-column: 2; }
  .product-image { grid-row: span 2; }
  .faq-grid .section-heading { position: static; }
  .faq-grid .section-heading img { display: none; }
  .footer-grid { grid-template-columns: 1.4fr 1fr; }
  .article-layout { grid-template-columns: minmax(0, 720px); }
  .article-aside { position: static; display: grid; grid-template-columns: 280px 1fr; align-items: center; gap: 30px; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .shell { width: min(calc(100% - 28px), var(--shell)); }
  .header-inner { min-height: 68px; }
  .main-nav { top: 68px; }
  .header-actions .button { display: none; }
  .hero { min-height: auto; padding-top: 58px; }
  .hero-copy h1 { font-size: clamp(2.45rem, 13vw, 3.5rem); }
  .hero-copy > p { font-size: 1rem; }
  .hero-visual { min-height: 330px; }
  .hero-petal { width: 285px; height: 285px; }
  .hero-product { width: 320px; }
  .hero-box { right: 0; bottom: -5px; width: 76px; }
  .hero-badge { top: 0; right: 0; width: 78px; height: 78px; }
  .hero-badge strong { font-size: 1.5rem; }
  .button-row .button { width: 100%; }
  .trust-strip { margin-top: -30px; }
  .trust-grid > div { min-height: 105px; padding: 20px; }
  .image-frame { border-radius: 30px 8px; }
  .axis-label { width: 39px; height: 39px; }
  .anatomy-grid { grid-template-columns: minmax(0, 1fr); }
  .anatomy-image { min-height: 380px; }
  .component-item { grid-template-columns: 40px 1fr; padding: 18px; }
  .steps-grid article { min-height: 230px; padding: 26px; }
  .steps-grid article > span { margin-bottom: 35px; }
  .product-card { display: block; }
  .product-card .button { grid-column: auto; }
  .product-image { min-height: 240px; }
  .knowledge-grid { grid-template-columns: 1fr; }
  .knowledge-image { height: 230px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 6px; }
  .a11y-panel { right: 7px; bottom: 8px; }
  .subhero { padding: 48px 0 60px; }
  .article-hero { padding: 42px 0 95px; }
  .article-cover { width: calc(100% - 28px); height: 310px; margin-top: -55px; border-width: 6px; }
  .article-cover img { padding: 12px; }
  .article-layout { gap: 45px; padding-top: 55px; padding-bottom: 80px; }
  .article-aside { display: block; }
  .article-aside > div { max-width: 300px; }
}

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