/* PostureSense public website. Shared by every public page. */
:root {
  color-scheme: light;
  --ink: #1d1d1f;
  --muted: #626268;
  --blue: #0066cc;
  --soft: #f5f5f7;
  --line: #dedee3;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #fff;
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; }
main:focus { outline: none; }
a { color: var(--blue); text-underline-offset: .22em; }
a:hover { text-decoration: underline; }
a, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #0071e3; outline-offset: 5px; border-radius: 3px; }
img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 600; text-wrap: balance; }
h1 { font-size: clamp(44px, 5.6vw, 76px); line-height: 1.06; letter-spacing: -.055em; }
h2 { font-size: clamp(34px, 4.1vw, 54px); line-height: 1.1; letter-spacing: -.045em; }
h2 span, h1 span { color: var(--muted); }
h3 { font-size: 23px; line-height: 1.25; letter-spacing: -.025em; }
p { color: var(--muted); font-size: 17px; line-height: 1.65; }
p + p { margin-top: 18px; }
.wrap { width: min(1120px, calc(100% - 80px)); margin-inline: auto; }
.section { padding-block: 104px; }
.eyebrow { margin-bottom: 22px; color: var(--blue); font-size: 13px; line-height: 1.4; font-weight: 650; letter-spacing: .045em; }
.lead { font-size: 21px; line-height: 1.6; letter-spacing: -.02em; }
.caption, figcaption { font-size: 12px; line-height: 1.6; color: var(--muted); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 50px; padding: 13px 23px; border-radius: 99px; color: #fff; background: var(--blue); text-decoration: none; font-size: 15px; font-weight: 500; line-height: 1.5; text-align: center; transition: background .18s, transform .18s; }
.button:hover { background: #005bb5; text-decoration: none; }
.button:active { transform: scale(.98); }
.button.compact { min-height: 40px; padding: 10px 20px; font-size: 13px; }
.text-link { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; font-size: 17px; text-decoration: none; line-height: 1.5; }
.actions { display: flex; gap: 24px; flex-wrap: wrap; align-items: center; margin-top: 30px; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 100; background: #fff; padding: 14px 20px; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid #ededf0; background: rgba(255,255,255,.96); backdrop-filter: blur(16px); }
.nav-wrap { min-height: 80px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; font-size: 19px; font-weight: 650; letter-spacing: -.025em; min-height: 44px; }
.brand:hover { text-decoration: none; }
.brand img { border-radius: 24%; flex: 0 0 auto; }
.desktop-nav { display: flex; align-items: center; gap: 30px; }
.desktop-nav > a:not(.button) { display: inline-flex; align-items: center; min-height: 44px; color: #424248; text-decoration: none; font-size: 13px; }
.desktop-nav > a:hover, .desktop-nav > a[aria-current] { color: var(--blue); }
.mobile-nav { display: none; }
.hero { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); align-items: center; gap: 56px; padding-block: 74px 60px; }
.hero h1 { margin-bottom: 28px; }
.hero .lead { max-width: 590px; font-size: 19px; }
.hero-requirements { margin-top: 18px; }
.hero-visual { display: flex; flex-direction: column; align-items: center; gap: 22px; }
.phone { width: 310px; max-width: 100%; border: 7px solid #232327; border-radius: 43px; background: #f5f5f7; overflow: hidden; box-shadow: 0 24px 44px -20px rgba(0,0,0,.3); }
.phone img { width: 100%; height: auto; }
.hero .phone { width: 286px; }
.benefit-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; padding-block: 28px 42px; }
.benefit-strip p { font-size: 14px; }
.benefit-strip p:nth-child(2) { text-align: center; }
.benefit-strip p:last-child { text-align: right; }
.benefit-strip strong { color: var(--ink); font-weight: 600; }
.dark-section { background: #202023; color: #f5f5f7; }
.dark-section h2 span { color: #aaaab2; }
.dark-section p, .dark-section figcaption { color: #bebec6; }
.dark-section .eyebrow, .dark-section .text-link { color: #72b5ff; }
.dark-section .phone { border-color: #45454b; }
.soft-section { background: var(--soft); }
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; gap: 100px; }
.section-copy { max-width: 480px; }
.section-copy h2 { margin-bottom: 26px; }
.section-copy .text-link { margin-top: 24px; }
.screen-figure { display: flex; flex-direction: column; align-items: center; gap: 22px; }
.screen-figure figcaption { text-align: center; }
.section-heading { max-width: 720px; margin-bottom: 58px; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 52px; list-style: none; margin: 0 0 32px; padding: 0; }
.step-number { display: block; margin-bottom: 28px; color: var(--blue); font-size: 17px; font-weight: 500; font-variant-numeric: tabular-nums; }
.steps h3 { margin-bottom: 14px; }
.steps p { font-size: 16px; }
.faq-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr); gap: 100px; align-items: start; }
.faq-layout h2 { margin-bottom: 24px; }
.faq { border-bottom: 1px solid var(--line); }
.faq:first-child { border-top: 1px solid var(--line); }
.faq summary { position: relative; list-style: none; cursor: pointer; padding: 24px 34px 24px 0; font-size: 17px; line-height: 1.5; font-weight: 500; }
.faq summary::-webkit-details-marker, .mobile-nav summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 23px; color: var(--muted); font-size: 22px; font-weight: 400; }
.faq[open] summary::after { content: "−"; }
.faq p { padding: 0 30px 25px 0; font-size: 16px; }
.faq-list > .text-link { margin-top: 20px; }
.closing { text-align: center; }
.closing-icon { margin: 0 auto 30px; border-radius: 24%; }
.closing h2 { margin-bottom: 22px; }
.closing .button { margin-block: 30px 17px; }
.site-footer { padding: 46px 0 28px; background: var(--soft); }
.footer-top, .footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-top p { font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 30px 0 20px; }
.footer-links a, .footer-bottom a { display: inline-flex; align-items: center; min-height: 44px; font-size: 12px; color: #424248; text-decoration: none; }
.footer-links a:hover, .footer-bottom a:hover { text-decoration: underline; }
.fine-print { max-width: 960px; font-size: 12px; line-height: 1.6; }
.footer-bottom { margin-top: 24px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.page-intro { padding-block: 100px 80px; }
.page-intro h1 { max-width: 900px; margin-bottom: 26px; }
.page-intro .lead { max-width: 670px; }
.editorial { max-width: 790px; }
.editorial h2 { margin-bottom: 28px; }
.editorial .text-link { margin-top: 24px; }
.pricing-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.price { font-size: 88px; letter-spacing: -.055em; margin-bottom: 28px; }
.price span { display: block; margin-top: 14px; font-size: 22px; letter-spacing: -.025em; }
.pricing-layout .button { margin: 26px 0 18px; }
.included { border-left: 1px solid var(--line); padding-left: 60px; }
.included h3 { margin-bottom: 24px; }
.check-list { list-style: none; margin: 0 0 24px; padding: 0; }
.check-list li { position: relative; padding: 10px 0 10px 28px; font-size: 16px; line-height: 1.5; }
.check-list li::before { content: "✓"; color: var(--blue); position: absolute; left: 0; }
.docs-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); align-items: start; gap: 90px; padding-top: 20px; }
.docs-nav { position: sticky; top: 116px; display: flex; flex-direction: column; gap: 4px; }
.docs-nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); font-size: 14px; text-decoration: none; }
.docs-nav a:hover { color: var(--blue); }
.docs-nav h2 { font-size: 20px; margin-bottom: 15px; }
.doc-content > article { padding: 0 0 45px; margin: 0 0 45px; border-bottom: 1px solid var(--line); }
.doc-content > article:last-child { border: 0; margin-bottom: 0; padding-bottom: 0; }
.doc-content h2 { font-size: 30px; line-height: 1.2; letter-spacing: -.03em; margin-bottom: 20px; }
.doc-content .eyebrow { margin-bottom: 14px; }
.doc-content .button { margin-top: 22px; }
.guide-screen { margin-top: 40px; padding: 35px 24px; background: var(--soft); }
.guide-screen .phone { width: 270px; }
.support-contact { padding-block: 40px; }
.support-contact > .wrap { display: flex; align-items: center; justify-content: space-between; gap: 36px; flex-wrap: wrap; }
.support-contact h2 { font-size: 28px; }
.support-contact .eyebrow { margin-bottom: 10px; }
.email { overflow-wrap: anywhere; }
.support-hero { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 30px; }
.support-hero h1 { font-size: clamp(40px, 5vw, 60px); margin-bottom: 24px; }
.support-hero .lead { max-width: 730px; }
.support-hero .button { font-size: 14px; overflow-wrap: anywhere; border-radius: 12px; }
.policy-date { font-size: 13px; }
.policy-list { padding-left: 22px; color: var(--muted); font-size: 17px; line-height: 1.65; }
.policy-list li { margin-bottom: 14px; padding-left: 4px; }
.policy-list strong { color: var(--ink); }
.policy-content a { overflow-wrap: anywhere; }
@media (min-width: 1500px) { .hero { padding-block: 90px 72px; } }
@media (max-width: 1000px) {
  .wrap { width: calc(100% - 64px); }
  .hero { gap: 32px; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); }
  .hero h1 { font-size: clamp(44px, 6vw, 64px); }
  .hero .lead { font-size: 18px; }
  .hero .actions { gap: 12px; }
  .desktop-nav { gap: 21px; }
  .split, .faq-layout, .pricing-layout { gap: 55px; }
  .steps { gap: 30px; }
  .docs-layout { grid-template-columns: 175px minmax(0, 1fr); gap: 40px; }
  .included { padding-left: 35px; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 40px); }
  .nav-wrap { min-height: 68px; }
  .brand { font-size: 17px; }
  .brand img { width: 32px; height: 32px; }
  .desktop-nav { display: none; }
  .mobile-nav { display: block; }
  .mobile-nav summary { min-height: 44px; display: flex; align-items: center; gap: 14px; padding: 10px 0 10px 12px; list-style: none; cursor: pointer; font-size: 14px; }
  .mobile-nav[open] summary span { transform: rotate(45deg); }
  .mobile-nav nav { position: absolute; top: 100%; left: 0; width: 100%; padding: 16px 24px 24px; border-bottom: 1px solid var(--line); background: #fff; max-height: calc(100dvh - 68px); overflow-y: auto; }
  .mobile-nav nav a { display: flex; align-items: center; min-height: 48px; padding: 10px 0; text-decoration: none; font-size: 17px; }
  .section { padding-block: 68px; }
  .hero { grid-template-columns: 1fr; gap: 46px; padding-top: 60px; padding-bottom: 38px; }
  .hero-copy { text-align: center; }
  .hero h1 { font-size: clamp(42px, 8.5vw, 64px); letter-spacing: -.05em; }
  .hero .lead { max-width: 510px; margin-inline: auto; }
  .hero .actions { justify-content: center; gap: 12px 24px; }
  .hero .phone, .phone { width: 260px; border-radius: 37px; border-width: 6px; }
  .hero-visual { gap: 18px; }
  .hero-requirements { font-size: 12px; }
  .benefit-strip { grid-template-columns: 1fr; text-align: center; gap: 12px; padding-block: 18px 38px; }
  .benefit-strip p:nth-child(2), .benefit-strip p:last-child { text-align: center; }
  .split, .faq-layout, .pricing-layout { grid-template-columns: 1fr; gap: 44px; }
  .section-copy { max-width: 560px; }
  .soft-section .split > .screen-figure:first-child, .reverse-mobile > .screen-figure { order: 2; }
  .section-heading { margin-bottom: 40px; }
  .steps { grid-template-columns: 1fr; gap: 32px; }
  .steps li { padding-left: 47px; position: relative; }
  .step-number { position: absolute; left: 0; top: 4px; font-size: 14px; }
  .steps h3 { font-size: 22px; margin-bottom: 10px; }
  .faq-layout { gap: 30px; }
  .faq summary { font-size: 16px; }
  .closing h2 { font-size: 36px; }
  .footer-top { align-items: start; flex-direction: column; gap: 15px; }
  .footer-links { gap: 4px 24px; }
  .page-intro { padding-block: 64px 55px; }
  .page-intro .lead { font-size: 19px; }
  .included { border-left: 0; border-top: 1px solid var(--line); padding: 32px 0 0; }
  .docs-layout { grid-template-columns: minmax(0, 1fr); gap: 42px; padding-top: 0; }
  .docs-nav { position: static; flex-direction: row; flex-wrap: wrap; gap: 4px 20px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
  .docs-nav .eyebrow, .docs-nav h2 { flex-basis: 100%; }
  .docs-nav a { font-size: 14px; }
  .doc-content h2 { font-size: 28px; }
  .support-contact h2 { font-size: 25px; }
  .support-contact .email { font-size: 15px; }
  .support-hero .button { max-width: 100%; font-size: 12px; padding-inline: 12px; }
}
@media (max-width: 380px) {
  .hero h1 { font-size: 40px; }
  .hero .actions { flex-direction: column; }
  .hero .lead { font-size: 17px; }
  .desktop-break { display: none; }
  .button { gap: 10px; font-size: 14px; padding-inline: 19px; }
  .closing h2 { font-size: 31px; }
  .phone { width: min(260px, 100%); }
  .footer-links { column-gap: 19px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media print {
  .site-header, .site-footer, .closing, .skip-link, .docs-nav { display: none; }
  .wrap { width: 100%; }
  .section { padding-block: 25px; }
  .docs-layout { display: block; }
  .dark-section { background: #fff; color: #000; }
  .phone { box-shadow: none; }
}