/*
 * About page.
 * Premium editorial studio page; no imagery, query loops, JavaScript, motion, or unsupported proof claims.
 */

.osm-about-page {
  background: var(--osm-color-bg);
  color: var(--osm-color-text-primary);
}

.osm-about-hero {
  background:
    linear-gradient(135deg, rgb(var(--osm-rgb-midnight-navy) / 1) 0%, rgb(var(--osm-rgb-deep-navy) / 1) 58%, rgb(var(--osm-rgb-charcoal) / 1) 100%);
  color: var(--osm-color-text-on-dark);
  overflow: hidden;
  padding-block: clamp(6.5rem, 13vw, 11rem) var(--osm-section-space);
  position: relative;
}

.osm-about-hero::before {
  background:
    radial-gradient(circle at 18% 14%, rgb(var(--osm-rgb-soft-copper) / 0.15), transparent 24rem),
    linear-gradient(90deg, transparent 0%, rgb(var(--osm-rgb-warm-ivory) / 0.035) 100%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.osm-about-hero__inner {
  position: relative;
  z-index: var(--osm-z-raised);
}

.osm-about-hero__content {
  display: grid;
  gap: var(--osm-space-3);
  max-width: 860px;
}

.osm-about-hero__headline {
  color: var(--osm-color-text-on-dark);
  font-size: var(--osm-text-h1);
  max-width: 12ch;
}

.osm-about-hero__intro {
  color: var(--osm-color-text-on-dark-secondary);
  max-width: var(--osm-measure-narrow);
}

.osm-about-positioning,
.osm-about-principles,
.osm-about-approach {
  padding-block: var(--osm-section-space);
}

.osm-about-positioning {
  background:
    linear-gradient(180deg, var(--osm-color-bg) 0%, var(--osm-color-surface) 100%);
}

.osm-about-positioning__inner {
  display: grid;
  gap: var(--osm-space-8);
}

.osm-about-positioning__header {
  display: grid;
  gap: var(--osm-space-3);
  max-width: 920px;
}

.osm-about-positioning__title,
.osm-about-principles__title,
.osm-about-beginnings__title,
.osm-about-approach__title,
.osm-about-cta__title {
  color: inherit;
  font-size: var(--osm-text-h2);
}

.osm-about-positioning__title {
  max-width: 17ch;
}

.osm-about-positioning__body {
  color: var(--osm-color-text-secondary);
  display: grid;
  gap: var(--osm-space-3);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 1040px;
}

.osm-about-capabilities {
  border-block: 1px solid var(--osm-color-border);
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.osm-about-capabilities span {
  background: rgb(var(--osm-rgb-warm-ivory) / 0.42);
  color: var(--osm-color-text-primary);
  display: block;
  font-size: var(--osm-text-small);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: var(--osm-line-caption);
  min-width: 0;
  padding: var(--osm-space-3);
  text-transform: uppercase;
}

.osm-about-principles {
  background: var(--osm-color-surface);
}

.osm-about-principles__header {
  display: grid;
  gap: var(--osm-space-3);
  max-width: 780px;
}

.osm-about-principles__title {
  max-width: 13ch;
}

.osm-about-principles__grid {
  border-top: 1px solid var(--osm-color-border-strong);
  display: grid;
  gap: 0;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-block-start: var(--osm-space-8);
}

.osm-about-principle {
  border-bottom: 1px solid var(--osm-color-border);
  border-right: 1px solid var(--osm-color-border);
  min-width: 0;
  padding: var(--osm-card-pad);
}

.osm-about-principle:nth-child(4n) {
  border-right: 0;
}

.osm-about-principle__number {
  color: var(--osm-color-accent);
  display: block;
  font-size: var(--osm-text-caption);
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: var(--osm-line-caption);
  margin-block-end: var(--osm-space-4);
}

.osm-about-principle__title,
.osm-about-step__title {
  color: var(--osm-color-text-primary);
  font-family: var(--osm-font-display);
  font-size: var(--osm-text-h4);
  font-weight: 400;
  line-height: var(--osm-line-heading);
  margin: 0;
  max-width: 13ch;
}

.osm-about-principle__description,
.osm-about-step__description {
  color: var(--osm-color-text-secondary);
  margin-block-start: var(--osm-space-3);
}

.osm-about-beginnings {
  background: var(--osm-color-midnight-navy);
  color: var(--osm-color-text-on-dark);
  padding-block: var(--osm-section-space);
}

.osm-about-beginnings__inner {
  align-items: end;
  display: grid;
  gap: var(--osm-space-6);
  grid-template-columns: minmax(0, 0.84fr) minmax(18rem, 0.6fr);
}

.osm-about-beginnings__content {
  display: grid;
  gap: var(--osm-space-3);
}

.osm-about-beginnings__title {
  max-width: 14ch;
}

.osm-about-beginnings__copy {
  color: var(--osm-color-text-on-dark-secondary);
  display: grid;
  gap: var(--osm-space-3);
  max-width: var(--osm-measure-narrow);
}

.osm-about-approach {
  background:
    linear-gradient(180deg, var(--osm-color-warm-ivory) 0%, var(--osm-color-bg) 100%);
}

.osm-about-approach__inner {
  display: grid;
  gap: var(--osm-space-8);
}

.osm-about-approach__header {
  display: grid;
  gap: var(--osm-space-3);
  max-width: 820px;
}

.osm-about-approach__title {
  max-width: 15ch;
}

.osm-about-approach__intro {
  color: var(--osm-color-text-secondary);
  max-width: var(--osm-measure-narrow);
}

.osm-about-approach__steps {
  display: grid;
  gap: var(--osm-space-4);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  position: relative;
}

.osm-about-approach__steps::before {
  background: var(--osm-color-border);
  content: "";
  height: 1px;
  inset-inline: 0;
  position: absolute;
  top: calc(var(--osm-space-2) - 1px);
}

.osm-about-step {
  min-width: 0;
  padding-block-start: var(--osm-space-5);
  position: relative;
}

.osm-about-step__marker {
  background: var(--osm-color-bg);
  border: 1px solid var(--osm-color-accent);
  border-radius: var(--osm-radius-pill);
  box-shadow: 0 0 0 0.5rem var(--osm-color-warm-ivory);
  display: block;
  height: var(--osm-space-2);
  inset-block-start: calc(var(--osm-space-2) / 2);
  inset-inline-start: 0;
  position: absolute;
  width: var(--osm-space-2);
  z-index: var(--osm-z-raised);
}

.osm-about-cta {
  background: var(--osm-color-bg);
  color: var(--osm-color-text-primary);
  padding-block: var(--osm-section-space);
}

.osm-about-cta__inner {
  align-items: end;
  border-top: 1px solid var(--osm-color-border-strong);
  display: grid;
  gap: var(--osm-space-5);
  grid-template-columns: minmax(0, 0.8fr) auto;
  padding-block-start: var(--osm-space-6);
}

.osm-about-cta__content {
  display: grid;
  gap: var(--osm-space-3);
}

.osm-about-cta__title {
  max-width: 12ch;
}

.osm-about-cta__copy {
  color: var(--osm-color-text-secondary);
  max-width: var(--osm-measure-narrow);
}

.osm-about-cta__actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: var(--osm-space-2);
  justify-content: flex-end;
}

@media (max-width: 1080px) {
  .osm-about-principles__grid,
  .osm-about-approach__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .osm-about-principle:nth-child(2n) {
    border-right: 0;
  }
}

@media (max-width: 900px) {
  .osm-about-positioning__body,
  .osm-about-beginnings__inner,
  .osm-about-cta__inner {
    grid-template-columns: 1fr;
  }

  .osm-about-cta__actions {
    justify-content: flex-start;
  }
}

@media (max-width: 781px) {
  .osm-about-hero {
    padding-block: clamp(5.5rem, 22vw, 7rem) var(--osm-section-space-sm);
  }

  .osm-about-positioning,
  .osm-about-principles,
  .osm-about-beginnings,
  .osm-about-approach,
  .osm-about-cta {
    padding-block: var(--osm-section-space-sm);
  }

  .osm-about-positioning__inner,
  .osm-about-approach__inner {
    gap: var(--osm-space-6);
  }

  .osm-about-capabilities,
  .osm-about-principles__grid,
  .osm-about-approach__steps {
    grid-template-columns: 1fr;
  }

  .osm-about-principles__grid {
    margin-block-start: var(--osm-space-6);
  }

  .osm-about-principle {
    border-right: 0;
    padding: var(--osm-space-4) 0;
  }

  .osm-about-principle:first-child {
    padding-block-start: var(--osm-space-4);
  }

  .osm-about-capabilities span {
    padding: var(--osm-space-3) 0;
  }

  .osm-about-approach__steps {
    gap: 0;
  }

  .osm-about-approach__steps::before {
    height: auto;
    inset-block: var(--osm-space-2) 0;
    inset-inline: calc(var(--osm-space-1) - 1px) auto;
    width: 1px;
  }

  .osm-about-step {
    padding-block: 0 var(--osm-space-5);
    padding-inline-start: var(--osm-space-4);
  }

  .osm-about-step:last-child {
    padding-block-end: 0;
  }

  .osm-about-step__marker {
    box-shadow: 0 0 0 0.375rem var(--osm-color-warm-ivory);
    inset-block-start: calc(var(--osm-space-1) / 2);
  }

  .osm-about-cta__actions {
    align-items: stretch;
    display: grid;
  }
}