:root {
  --cold-ink: #f4f7f8;
  --cold-muted: #9aa8b0;
  --cold-line: #34444f;
  --cold-blue: #8fccf0;
  --cold-black: #07090a;
}

body {
  color: var(--cold-ink);
  background: var(--cold-black);
  font-family: "Avenir Next Condensed", "Arial Narrow", "Helvetica Neue", sans-serif;
}

.calibration-header {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 2rem;
  align-items: center;
  min-height: 82px;
  padding: 1rem clamp(1.25rem, 4vw, 4.5rem);
  border-bottom: 1px solid var(--cold-line);
}

.calibration-brand {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  width: fit-content;
  text-decoration: none;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.calibration-brand img {
  border: 1px solid var(--cold-line);
}

.calibration-header nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.loading-bay {
  display: grid;
  grid-template-columns: minmax(18rem, 0.92fr) minmax(26rem, 1.6fr);
  
  border-bottom: 1px solid var(--cold-line);
}

.loading-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 5vw, 6rem);
}

.calibration-kicker,
.loading-method header > p,
.calibration-support header > p,
.readout-label {
  margin: 0 0 1rem;
  color: var(--cold-blue);
  font: 700 0.76rem/1.2 ui-monospace, "SFMono-Regular", monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.loading-copy h1 {
  margin: 0;
  font-size: clamp(4rem, 8vw, 8.5rem);
  font-weight: 900;
  letter-spacing: -0.065em;
  line-height: 0.82;
}

.loading-subtitle {
  margin: 1rem 0 0;
  color: var(--cold-blue);
  font-size: clamp(1.35rem, 2.2vw, 2.15rem);
  line-height: 1.05;
}

.loading-pitch {
  max-width: 32rem;
  margin: 2rem 0 0;
  color: #d1d9dd;
  font-size: 1.05rem;
  line-height: 1.55;
}

.app-store-action {
  margin-top: 1.35rem;
  margin-left: -10px;
}

.loading-screens {
  position: relative;
  margin: 0;
  display: grid;
  grid-template-columns: 1.12fr 1fr 1fr;
  align-items: end;
  gap: clamp(0.6rem, 1.6vw, 1.2rem);
  padding: clamp(1.6rem, 3.4vw, 3rem) clamp(1.2rem, 2.4vw, 2.4rem);
  border-left: 1px solid var(--cold-line);
}

.loading-shot {
  margin: 0;
}

.loading-shot:not(.loading-shot--lead) {
  padding-bottom: clamp(0.8rem, 3vw, 2.6rem);
}

.loading-screens picture {
  display: block;
}

.loading-screens img {
  width: 100%;
  height: auto;
}

.loading-screens-note {
  grid-column: 1 / -1;
  justify-self: end;
  margin: 0.4rem 0 0;
  padding: 0.55rem 0.75rem;
  color: var(--cold-black);
  background: var(--cold-blue);
  font: 700 0.65rem/1 ui-monospace, monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.load-specification {
  display: grid;
  grid-template-columns: 12rem 1fr;
  gap: 2rem;
  padding: 1.5rem clamp(1.25rem, 4vw, 4.5rem);
  border-bottom: 1px solid var(--cold-line);
}

.load-specification > p {
  margin: 0;
  color: var(--cold-muted);
  font: 700 0.72rem/1.3 ui-monospace, monospace;
  text-transform: uppercase;
}

.load-specification ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-weight: 700;
}

.loading-method,
.load-readout,
.strength-toolchain,
.calibration-support,
.calibration-footer {
  width: min(1180px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.loading-method {
  display: grid;
  grid-template-columns: 0.8fr 1.7fr;
  gap: clamp(2rem, 8vw, 8rem);
  padding-block: clamp(5rem, 10vw, 9rem);
}

.loading-method h2,
.strength-toolchain h2,
.calibration-support h2 {
  margin: 0;
  font-size: clamp(2.1rem, 5vw, 4.6rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.loading-method ol {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--cold-line);
}

.loading-method li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.25rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--cold-line);
}

.loading-method li > span {
  color: var(--cold-blue);
  font: 700 0.8rem/1.5 ui-monospace, monospace;
}

.loading-method h3,
.loading-method li p {
  margin: 0;
}

.loading-method h3 {
  margin-bottom: 0.4rem;
  font-size: 1.25rem;
}

.loading-method li p,
.load-readout p {
  color: #c0cbd0;
  line-height: 1.6;
}

.load-readout {
  padding: 2rem 0;
  border-top: 1px solid var(--cold-line);
  border-bottom: 1px solid var(--cold-line);
}

.load-readout > div {
  max-width: 48rem;
}

.strength-toolchain {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.strength-toolchain ul {
  margin: 2rem 0 1rem;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--cold-line);
}

.strength-toolchain li {
  border-bottom: 1px solid var(--cold-line);
}

.strength-toolchain li a {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1rem 0;
  text-decoration: none;
}

.strength-toolchain small {
  display: block;
  margin-top: 0.2rem;
  color: var(--cold-muted);
}

.strength-toolchain > p {
  color: var(--cold-muted);
  font-size: 0.82rem;
}

.calibration-support {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(2rem, 7vw, 7rem);
  padding-block: clamp(4rem, 8vw, 8rem);
  border-top: 1px solid var(--cold-line);
}

.calibration-support header > p:last-child {
  color: var(--cold-muted);
  line-height: 1.55;
}

.calibration-support .support-form {
  grid-template-columns: 1fr 1fr;
}

.calibration-support .message-field,
.calibration-support button,
.calibration-support .form-status {
  grid-column: 1 / -1;
}

.calibration-support button {
  color: var(--cold-black);
  border-color: var(--cold-blue);
  background: var(--cold-blue);
}

.calibration-footer {
  padding-block: 2rem 3rem;
  border-top: 1px solid var(--cold-line);
  color: var(--cold-muted);
}

@media (max-width: 980px) {
  .loading-bay {
    grid-template-columns: 1fr;
  }

  .loading-copy {
    grid-column: 1 / -1;
    min-height: 460px;
  }

  .loading-screens {
    border-top: 1px solid var(--cold-line);
  }

}

@media (max-width: 680px) {
  /* une seule colonne : le rail de captures prend toute la largeur */
  .loading-bay {
    grid-template-columns: 1fr;
  }

  .loading-screens {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 64%;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    padding: 1.4rem 1.25rem;
  }

  .loading-shot {
    scroll-snap-align: center;
  }

  .loading-shot:not(.loading-shot--lead) {
    padding-bottom: 0;
  }

  .loading-screens-note {
    display: none;
  }

  .calibration-header {
    grid-template-columns: 1fr auto;
    gap: 1rem;
  }

  .calibration-header nav {
    display: none;
  }

  .loading-copy {
    min-height: auto;
    padding: 3.25rem 1.25rem 2rem;
  }

  .loading-copy h1 {
    font-size: clamp(3.7rem, 19vw, 5.6rem);
  }

  .loading-pitch {
    margin-top: 1.25rem;
  }

  .load-specification,
  .loading-method,
  .calibration-support {
    grid-template-columns: 1fr;
  }

  .load-specification {
    gap: 1rem;
  }

  .load-specification ul {
    display: grid;
    gap: 0.55rem;
  }

  .loading-method {
    gap: 2rem;
  }

  .calibration-support .support-form {
    grid-template-columns: 1fr;
  }

  .calibration-support .message-field,
  .calibration-support button,
  .calibration-support .form-status {
    grid-column: auto;
  }
}
.calibration-miss {
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 1.5rem 3rem;
  align-items: end;
  width: min(1100px, calc(100% - 2.5rem));
  min-height: 100vh;
  margin-inline: auto;
  padding-block: 3rem;
}

.calibration-miss > p,
.calibration-miss > a {
  margin: 0;
  font-family: ui-monospace, monospace;
}

.calibration-miss h1 {
  margin: 0;
  font-size: clamp(4rem, 10vw, 9rem);
  line-height: 0.85;
}

.calibration-miss figure {
  grid-column: 1 / -1;
  margin: 0;
  border-block: 1px solid var(--cold-line);
}

.calibration-miss a {
  color: var(--cold-blue);
}