:root { --black: #000; --teal: #00d8c8; --white: #f6f7f4; --blue: #0c5367; --grey: #9ba7aa; }
body { background: var(--black); color: var(--white); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; line-height: 1.42; }
.step-header { padding: 1rem 2rem; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #435056; }
.step-header > a { display: inline-flex; align-items: center; gap: 0.7rem; text-decoration: none; font-weight: 800; }
.step-header img { border-radius: 8px; }
.step-poster { padding: 2rem; display: grid; grid-template-columns: minmax(18rem, 1fr) minmax(21rem, 0.85fr); gap: 2rem 2.5rem; align-items: start; }
.step-copy { padding: 3rem 2rem; background: var(--teal); color: var(--black); }
.step-copy > p:first-child { margin: 0 0 1rem; font: 800 0.74rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: 0.1em; text-transform: uppercase; }
.step-copy h1 { margin: 0; font-size: clamp(4.2rem, 8vw, 8.2rem); line-height: 0.76; letter-spacing: -0.075em; }
.step-copy h2 { margin: 2rem 0; max-width: 18rem; font-size: clamp(1.5rem, 2.5vw, 2.4rem); line-height: 0.98; }
.step-explicit { max-width: 34rem; font-weight: 700; }
/* Captures Apple Watch a leur echelle native : 422 px de fichier pour 211 px affiches (2x). */
.step-watch { margin: 0; display: flex; flex-wrap: wrap; gap: 0.9rem; }
.step-face { width: 211px; margin: 0; padding: 0.55rem; background: #060606; border: 1px solid #435056; }
.step-watch picture { display: block; }
.step-watch img { width: 100%; height: auto; }
.step-watch-note { flex: 1 0 100%; margin: 0.2rem 0 0; color: var(--grey); font: 0.67rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: 0.08em; }
.step-action { grid-column: 1 / -1; display: grid; grid-template-columns: 1.1fr 1fr auto; gap: 2rem; align-items: center; padding-top: 1rem; border-top: 1px solid #435056; }
.step-action > p { margin: 0; max-width: 45rem; font-size: 1.15rem; }
.step-action ul { margin: 0; padding-left: 1.2rem; color: var(--grey); }
.step-detail { padding: 7rem max(2rem, calc((100% - 1220px) / 2)); background: var(--white); color: var(--black); }
.step-detail header { display: grid; grid-template-columns: 0.45fr 1fr; gap: 3rem; border-top: 8px solid var(--black); padding-top: 1rem; }
.step-detail header p, .step-contact header > p:first-child { margin: 0; color: var(--blue); font: 800 0.72rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: 0.1em; }
.step-detail h2, .step-contact h2 { margin: 0; font-size: clamp(3rem, 7vw, 7rem); line-height: 0.84; letter-spacing: -0.07em; }
.step-detail > div { margin-top: 5rem; }
.step-detail article { display: grid; grid-template-columns: 4rem minmax(10rem, 0.5fr) 1fr; gap: 2rem; padding: 1.4rem 0; border-top: 1px solid #758084; }
.step-detail article span { color: var(--blue); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.step-detail article h3, .step-detail article p { margin: 0; }
.step-more { padding: 4rem max(2rem, calc((100% - 1220px) / 2)); background: var(--teal); color: var(--black); }
.step-more h2 { max-width: 18ch; margin: 0 0 2rem; font-size: clamp(2rem, 4vw, 4.5rem); line-height: 0.95; }
.step-more > div { display: grid; grid-template-columns: 1fr 1fr; border-top: 2px solid var(--black); }
.step-more a { display: grid; padding: 1rem 1rem 1rem 0; border-bottom: 2px solid var(--black); text-decoration: none; }
.step-more a span { font-size: 1.35rem; font-weight: 800; }
.step-more > small { display: block; margin-top: 1rem; }
.step-contact { padding: 7rem max(2rem, calc((100% - 1220px) / 2)); display: grid; grid-template-columns: 0.72fr 1.28fr; gap: 5rem; }
.step-contact header > p:last-child { max-width: 34rem; color: var(--grey); }
.step-contact .support-form { grid-template-columns: 1fr 1fr; }
.step-contact .support-form label:nth-of-type(5), .step-contact .support-form button, .step-contact .form-status { grid-column: 1 / -1; }
.step-contact .support-form button { background: var(--teal); color: var(--black); border-color: var(--teal); }
.step-footer { padding: 2rem max(2rem, calc((100% - 1220px) / 2)); border-top: 1px solid #435056; display: grid; grid-template-columns: 1fr auto; gap: 1rem 2rem; color: var(--grey); }
.step-footer p { margin: 0; }
.step-footer nav { display: flex; gap: 1rem; }
.step-footer .trademark-notice { grid-column: 1 / -1; }
@media (max-width: 820px) {
  .step-header { padding: 1rem; }
  .step-poster { padding: 1rem; grid-template-columns: 1fr; }
  .step-copy { grid-column: 1 / -1; padding: 2rem 1.2rem; }
  .step-copy h1 { font-size: clamp(4rem, 15vw, 7rem); }

  .step-action { grid-column: 1 / -1; grid-template-columns: 1fr; gap: 1rem; }
  .step-detail, .step-contact { padding: 4rem 1rem; }
  .step-detail header, .step-contact { grid-template-columns: 1fr; gap: 2rem; }
  .step-detail article { grid-template-columns: 3rem 1fr; gap: 1rem; }
  .step-detail article p { grid-column: 2; }
  .step-more { padding: 3rem 1rem; }
  .step-more > div { grid-template-columns: 1fr; }
  .step-contact .support-form { grid-template-columns: 1fr; }
  .step-contact .support-form label:nth-of-type(5), .step-contact .support-form button, .step-contact .form-status { grid-column: auto; }
  .step-footer { padding: 2rem 1rem; grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .step-header strong { display: none; }
  .step-poster { grid-template-columns: 1fr; }
  /* 422 px de source : on ne depasse pas ce que la capture Apple Watch contient reellement. */
  .step-face { width: min(calc(50% - 0.45rem), 140px); }
  .language-picker { display: grid; gap: 0.2rem; }
  .language-picker select { max-width: 9.4rem; }
}