@font-face { font-family: Barlow; src: url("./fonts/Barlow-Regular.woff2") format("woff2"); font-style: normal; font-weight: 400; font-display: swap; }
@font-face { font-family: Barlow; src: url("./fonts/Barlow-SemiBold.woff2") format("woff2"); font-style: normal; font-weight: 600; font-display: swap; }
@font-face { font-family: Barlow; src: url("./fonts/Barlow-Bold.woff2") format("woff2"); font-style: normal; font-weight: 700; font-display: swap; }
:root {
  color-scheme: dark;
  --navy: #071b2e; --surface: #0d2942; --cyan: #19d3e6; --cyan-light: #70e8f2;
  --paper: #f7f9fb; --white: #fff; --ink: #10202e; --muted: #596a79;
  --on-dark: #b9c9d6; --border: #dbe3e9; --radius: 8px;
  font-family: Barlow, "Segoe UI", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  font-synthesis: none;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--navy); color: var(--paper); font-size: 17px; line-height: 1.55; }
[hidden] { display: none !important; }
h1, h2, h3, h4, h5, p, figure { margin: 0; }
h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.12; }
a { color: inherit; text-underline-offset: 4px; }
button, input, textarea { font: inherit; }
button, a, input, textarea, summary { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { cursor: wait; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 5px; }
input:focus-visible, textarea:focus-visible { outline-color: #087885; outline-offset: 2px; }
.container { width: min(100% - 32px, 1240px); margin-inline: auto; }
.skip-link { position: absolute; top: 8px; left: 16px; z-index: 10; padding: 12px 20px; background: var(--paper); color: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.site-header { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-bottom: 1px solid #ffffff20; }
.wordmark { display: inline-flex; align-items: center; font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Arial, sans-serif; font-size: 20px; font-weight: 800; text-decoration: none; letter-spacing: -.8px; white-space: nowrap; }
.wordmark > span { color: var(--cyan); }
.brand-icon { width: 30px; height: 30px; margin-right: 8px; border-radius: 6px; flex-shrink: 0; }
.header-cta { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-size: 14px; font-weight: 600; text-decoration: none; padding-block: 12px; }
.header-cta:hover { color: var(--cyan); }
.header-cta > span { color: var(--cyan); }
.eyebrow, .panel-kicker { font-size: 12px; font-weight: 600; letter-spacing: 1.6px; line-height: 1.4; }
.eyebrow { display: flex; align-items: center; gap: 10px; }
.focus-mark { width: 24px; height: 2px; flex-shrink: 0; background: var(--cyan); }
.hero { padding-block: 32px 40px; }
.hero-copy { min-width: 0; }
h1 { font-size: clamp(34px, 9.3vw, 40px); line-height: 1.06; letter-spacing: -.025em; margin-top: 16px; }
h1 > span { display: block; text-wrap: balance; }
.hero-question { color: var(--on-dark); }
.hero-body { color: var(--on-dark); margin-block: 20px 28px; max-width: 540px; }
.development-note { margin-top: 16px; color: var(--on-dark); font-size: 14px; }
.product-visual { margin-top: 44px; min-width: 0; }
.concept-label { font-size: 12px; font-weight: 600; line-height: 1.5; color: var(--muted); }
.product-visual > .concept-label { color: var(--on-dark); padding-bottom: 18px; border-bottom: 1px solid #ffffff30; }
.priority-composition { padding-top: 32px; }
.priority-name { font-size: clamp(40px, 12vw, 52px); font-weight: 700; line-height: 1; letter-spacing: -.035em; color: var(--cyan); }
.priority-subtitle { margin-top: 14px; font-size: 17px; color: var(--paper); }
.priority-explanation { max-width: 400px; margin-top: 36px; padding-top: 22px; border-top: 1px solid #ffffff30; color: var(--on-dark); font-size: 16px; }
dt { color: var(--muted); }
dd { margin: 0; }
h2 { font-size: clamp(32px, 7.8vw, 42px); letter-spacing: -.025em; }
.mechanism { color-scheme: light; background: var(--paper); color: var(--ink); padding-block: 56px; }
.training-editorial { display: grid; gap: 32px; }
.training-story { min-width: 0; max-width: 600px; }
.training-story .eyebrow { color: var(--muted); margin-bottom: 18px; }
.training-story h2 { max-width: 580px; text-wrap: balance; }
.training-intro { color: var(--muted); margin-top: 20px; max-width: 460px; }
.training-logic { max-width: 440px; margin: 24px 0 0; border-top: 1px solid var(--border); font-size: 16px; line-height: 24px; }
.training-logic > div { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.3fr); gap: 16px; align-items: baseline; padding-block: 10px; border-bottom: 1px solid var(--border); }
.training-logic dt { font-size: 13px; }
.training-logic dd { color: var(--ink); font-weight: 600; }
.training-logic > div:first-child dd { font-size: 20px; }
.training-logic .training-result { font-size: 18px; }
.training-product { min-width: 0; display: grid; justify-items: center; gap: 18px; }
.training-phone { width: min(100%, 340px); padding: 7px; background: var(--navy); border: 1px solid var(--navy); border-radius: 36px; }
.training-screen { background: var(--white); border-radius: 28px; overflow: hidden; }
.training-screen-heading { background: var(--surface); color: var(--paper); padding: 30px 24px 26px; }
.screen-kicker { font-size: 11px; line-height: 1.5; font-weight: 600; letter-spacing: 1.5px; color: var(--on-dark); margin-bottom: 16px; }
.training-screen h3 { font-size: 26px; letter-spacing: -.02em; line-height: 1.15; }
.training-condition { color: var(--cyan); margin-top: 18px; font-size: 16px; }
.exercise-list { margin: 0; padding: 26px 24px 32px; list-style: none; }
.exercise-list li + li { border-top: 1px solid var(--border); padding-top: 24px; margin-top: 24px; }
.exercise-number { display: block; color: #066574; font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; margin-bottom: 10px; }
.exercise-list h4 { font-size: 20px; line-height: 1.25; letter-spacing: -.01em; }
.exercise-list p { color: var(--muted); margin-top: 10px; font-size: 16px; line-height: 1.5; }
.training-product figcaption { max-width: 360px; text-align: center; font-size: 13px; color: var(--muted); }
.training-product .concept-label { margin-top: 4px; }
.feedback-section { background: var(--surface); padding-block: 48px; }
.feedback-grid { display: grid; gap: 32px; }
.sport-figure { min-width: 0; }
.sport-art { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--navy); border: 1px solid #34526b; }
.sport-corner { position: absolute; top: 16px; left: 20px; color: var(--on-dark); font-size: 10px; font-weight: 600; letter-spacing: 1.1px; line-height: 1.6; }
.table-outline { position: absolute; height: 72%; aspect-ratio: 1525 / 2740; right: 10%; top: 14%; border: 1px solid #6c8293; }
.table-center { position: absolute; left: 50%; top: 0; bottom: 0; border-left: 1px solid #456075; }
.table-net { position: absolute; top: 50%; left: -6%; right: -6%; border-top: 2px solid var(--cyan); }
.sport-statement { position: absolute; left: 20px; bottom: 18%; font-size: clamp(28px, 8.1vw, 36px); font-weight: 700; line-height: .98; letter-spacing: -.025em; }
.sport-baseline { position: absolute; bottom: 16px; left: 20px; color: var(--on-dark); font-size: 10px; font-weight: 600; letter-spacing: 1.2px; }
.feedback-copy .eyebrow { color: var(--on-dark); margin-bottom: 16px; }
.feedback-copy h2 { max-width: 460px; }
.feedback-item { margin-top: 28px; border-top: 1px solid #ffffff26; padding-top: 22px; }
.feedback-item h3 { font-size: 21px; }
.feedback-item p { color: var(--on-dark); margin-top: 10px; }
.conversion { padding-block: 52px; }
.conversion-grid { display: grid; gap: 36px; }
.conversion-copy .eyebrow { color: var(--on-dark); margin-bottom: 16px; }
.conversion-copy h2 { max-width: 570px; }
.large-body { font-size: 18px; }
.conversion-copy > p:last-child { color: var(--on-dark); margin-top: 22px; max-width: 490px; }
.signup-panel { min-width: 0; }
.panel-kicker { color: var(--cyan); margin-bottom: 10px; }
.signup-panel h3 { font-size: 26px; margin-bottom: 24px; }
form > label, legend { font-size: 15px; font-weight: 600; }
.signup-fields { display: grid; gap: 10px; margin-top: 8px; }
input[type="email"], textarea { color-scheme: light; color: var(--ink); background: var(--paper); border: 1px solid var(--border); border-radius: var(--radius); width: 100%; min-width: 0; }
input[type="email"] { height: 52px; padding: 12px 16px; font-size: 17px; }
input::placeholder, textarea::placeholder { color: var(--muted); opacity: 1; }
textarea { padding: 12px 14px; resize: vertical; margin-top: 8px; font-size: 16px; }
input[aria-invalid="true"] { border-color: #ffc1c5; outline: 2px solid #ffc1c5; outline-offset: 2px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 52px; padding: 12px 18px; border: 1px solid transparent; border-radius: var(--radius); font-size: 16px; font-weight: 600; line-height: 1.35; transition: background-color .16s; }
.primary { background: var(--cyan); color: var(--navy); }
.primary:hover:not(:disabled) { background: var(--cyan-light); }
.primary:focus-visible { outline-color: var(--white); }
form:is([data-signup-state="loading"], [data-signup-state="closed"]) .primary { background: transparent; color: var(--on-dark); border-color: #456075; cursor: default; }
form:is([data-signup-state="loading"], [data-signup-state="closed"]) .primary > span[aria-hidden="true"] { display: none; }
form:is([data-signup-state="loading"], [data-signup-state="closed"]) input { cursor: not-allowed; }
.field-error, .form-status { margin-top: 12px; font-size: 14px; line-height: 1.5; }
.field-error, .form-status[data-error="true"] { color: #ffc1c5; }
.form-status:empty { display: none; }
.optional-questions { margin-top: 6px; font-size: 14px; }
.optional-questions summary { cursor: pointer; min-height: 44px; display: list-item; align-content: center; color: var(--on-dark); font-size: 13px; }
.optional-questions[open] { padding-bottom: 12px; }
.questions-note { font-size: 14px; color: var(--on-dark); margin-block: 12px 20px; }
fieldset { border: 0; padding: 0; margin: 0 0 22px; min-width: 0; }
legend { margin-bottom: 8px; }
.radio-option { display: flex; align-items: center; gap: 10px; min-height: 44px; cursor: pointer; font-size: 15px; }
input[type="radio"] { flex-shrink: 0; width: 18px; height: 18px; margin: 0; accent-color: var(--cyan); }
.optional-questions > label { display: block; font-size: 15px; font-weight: 600; }
.text-button { background: none; color: var(--on-dark); border: 0; padding: 12px 0; min-height: 44px; font-size: 14px; text-decoration: underline; text-underline-offset: 4px; }
.text-button:hover { color: var(--paper); }
.availability-note { font-size: 13px; color: var(--on-dark); line-height: 1.5; margin-top: 6px; }
.spinner { width: 16px; height: 16px; border: 2px solid #071b2e50; border-top-color: var(--navy); border-radius: 50%; animation: spin .8s linear infinite; flex-shrink: 0; }
@keyframes spin { to { transform: rotate(360deg); } }
.success-page { padding-block: 72px 96px; max-width: 800px; }
.success-page h2 { margin-block: 18px 24px; }
.success-page > p + p { margin-top: 20px; }
.support { font-size: 14px; color: var(--on-dark); }
.site-footer { border-top: 1px solid #ffffff20; padding-block: 28px; }
.footer-content { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.footer-brand { font-size: 20px; }
.footer-content > div > p { color: var(--on-dark); font-size: 12px; margin-top: 8px; }
.legal-links { display: flex; flex-wrap: wrap; gap: 24px; color: var(--on-dark); font-size: 13px; }
.legal-links small { font-size: inherit; }
.legal-links a { display: inline-flex; align-items: center; min-height: 44px; }
@media (max-width: 359px) {
  .wordmark { font-size: 18px; }
  .brand-icon { width: 26px; height: 26px; margin-right: 6px; }
  .header-cta { font-size: 13px; gap: 5px; }
  .training-screen-heading { padding-inline: 18px; }
  .exercise-list { padding-inline: 18px; }
  .exercise-list h4 { font-size: 18px; }
}
@media (min-width: 768px) {
  .container { width: min(100% - 48px, 1240px); }
  .site-header { min-height: 88px; }
  .wordmark { font-size: 23px; }
  .brand-icon { width: 36px; height: 36px; }
  .hero { padding-block: 40px 48px; }
  .hero-copy { max-width: 650px; }
  h1 { font-size: 52px; }
  .hero-body { font-size: 18px; margin-block: 24px 28px; }
  .hero .signup-fields { grid-template-columns: minmax(0, 1fr) auto; }
  .product-visual { max-width: 650px; margin-top: 48px; }
  .priority-name { font-size: 68px; }
  .priority-explanation { max-width: 460px; font-size: 18px; }
  .mechanism { padding-block: 64px; }
  .training-story h2 { font-size: 44px; }
  .training-intro { font-size: 18px; }
  .feedback-grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 32px; align-items: center; }
  .sport-art { aspect-ratio: 3 / 2; }
  .sport-statement { font-size: 34px; }
  .feedback-copy h2 { font-size: 34px; }
  .feedback-item { margin-top: 22px; padding-top: 18px; }
  .feedback-section, .conversion { padding-block: 64px; }
  .conversion-grid { grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr); gap: 48px; align-items: start; }
  .conversion-copy h2 { font-size: 40px; }
  .signup-panel { padding-top: 5px; }
}
@media (min-width: 1024px) {
  .container { width: min(100% - 64px, 1240px); }
  .hero { display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr); gap: clamp(40px, 4vw, 56px); padding-block: 48px 56px; align-items: start; }
  h1 { font-size: clamp(52px, calc(2.885vw + 22.46px), 64px); }
  .hero .product-visual { margin: 64px 0 0; max-width: 560px; }
  .priority-composition { padding-top: 48px; }
  .priority-name { font-size: clamp(60px, 5.56vw, 80px); }
  .priority-subtitle { font-size: 18px; margin-top: 20px; }
  .priority-explanation { max-width: 390px; margin-top: 72px; padding-top: 26px; }
  .training-editorial { grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 48px; align-items: center; }
  .training-story { padding-top: 0; }
  .training-story h2 { font-size: 48px; }
  .training-product { width: 100%; max-width: 400px; justify-self: start; }
  .training-phone { width: min(100%, clamp(320px, 25vw, 360px)); }
  .feedback-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 56px; }
  .sport-corner { top: 28px; left: 32px; font-size: 11px; }
  .sport-statement { left: 32px; font-size: 44px; }
  .sport-baseline { left: 32px; bottom: 28px; }
  .feedback-copy h2, .conversion-copy h2 { font-size: 44px; }
  .signup-fields { grid-template-columns: minmax(0, 1fr) auto; }
  .feedback-section, .conversion { padding-block: 72px; }
}
@media (min-width: 1280px) {
  .training-story h2 { font-size: 52px; }
  .sport-statement { font-size: 60px; }
  .feedback-copy h2, .conversion-copy h2 { font-size: 48px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (forced-colors: active) {
  .button, .training-phone, .sport-art { border: 1px solid ButtonText; }
  .primary, .priority-name, .training-condition, .exercise-number { color: ButtonText; }
}