/*
 * Homepage hero and minimum production header.
 * Uses design-system tokens; no page sections beyond the hero are defined here.
 */

.osm-site-header {
  background: rgb(var(--osm-rgb-midnight-navy) / 0.94);
  border-bottom: 1px solid var(--osm-color-border-dark);
  color: var(--osm-color-text-on-dark);
  position: relative;
  z-index: var(--osm-z-header);
}

.osm-header-inner {
  align-items: center;
  display: flex;
  justify-content: space-between;
  min-height: 4.75rem;
}

.osm-wordmark {
  align-items: center;
  color: var(--osm-color-text-on-dark);
  display: inline-flex;
  font-family: var(--osm-font-body);
  font-size: var(--osm-text-body);
  font-weight: 700;
  gap: 0.75rem;
  letter-spacing: 0.12em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  transition: var(--osm-transition-interaction);
}

.osm-wordmark__icon {
  display: block;
  flex: 0 0 2rem;
  height: 2rem;
  width: 2rem;
}

.osm-wordmark__text {
  display: inline-block;
}

.osm-wordmark:hover,
.osm-wordmark:focus-visible {
  color: var(--osm-color-champagne);
}

.osm-menu-toggle {
  background: transparent;
  border: 1px solid var(--osm-color-border-dark);
  color: var(--osm-color-text-on-dark);
  display: inline-flex;
  position: relative;
  z-index: calc(var(--osm-z-modal) + 1);
}

.osm-menu-toggle:hover {
  background: rgb(var(--osm-rgb-warm-ivory) / 0.08);
  color: var(--osm-color-text-on-dark);
  transform: none;
}

.osm-menu-toggle:focus-visible {
  background: rgb(var(--osm-rgb-warm-ivory) / 0.08);
  color: var(--osm-color-text-on-dark);
}

.osm-menu-toggle__icon,
.osm-menu-toggle__icon::before,
.osm-menu-toggle__icon::after {
  background: currentColor;
  content: "";
  display: block;
  height: 1px;
  position: absolute;
  transition: var(--osm-transition-base);
  width: 1.125rem;
}

.osm-menu-toggle__icon {
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.osm-menu-toggle__icon::before {
  transform: translateY(-0.375rem);
}

.osm-menu-toggle__icon::after {
  transform: translateY(0.375rem);
}

.osm-menu-toggle[aria-expanded="true"] .osm-menu-toggle__icon {
  background: transparent;
}

.osm-menu-toggle[aria-expanded="true"] .osm-menu-toggle__icon::before {
  transform: rotate(45deg);
}

.osm-menu-toggle[aria-expanded="true"] .osm-menu-toggle__icon::after {
  transform: rotate(-45deg);
}

.osm-primary-nav {
  align-items: center;
  display: flex;
  gap: var(--osm-space-4);
}

.osm-primary-nav a {
  color: var(--osm-color-text-on-dark-secondary);
  display: inline-block;
  font-size: var(--osm-text-small);
  font-weight: 650;
  line-height: 1;
  position: relative;
  text-decoration: none;
  transition: var(--osm-transition-interaction);
}

.osm-primary-nav a::after {
  background: currentColor;
  content: "";
  height: 1px;
  inset-block-end: -0.45rem;
  inset-inline: 0;
  opacity: 0;
  position: absolute;
  transform: scaleX(0.72);
  transform-origin: center;
  transition: var(--osm-transition-interaction);
}

.osm-primary-nav a:hover,
.osm-primary-nav a:focus-visible,
.osm-primary-nav a[aria-current="page"] {
  color: var(--osm-color-champagne);
}

.osm-primary-nav a:hover::after,
.osm-primary-nav a:focus-visible::after,
.osm-primary-nav a[aria-current="page"]::after {
  opacity: 0.72;
  transform: scaleX(1);
}

.osm-hero {
  background:
    linear-gradient(90deg, rgb(var(--osm-rgb-midnight-navy) / 0.96) 0%, rgb(var(--osm-rgb-midnight-navy) / 0.82) 44%, rgb(var(--osm-rgb-midnight-navy) / 0.34) 100%),
    linear-gradient(180deg, rgb(var(--osm-rgb-deep-navy) / 0.18) 0%, var(--osm-color-midnight-navy) 100%);
  background-color: var(--osm-color-midnight-navy);
  background-position: center right;
  background-repeat: no-repeat;
  background-size: cover;
  color: var(--osm-color-text-on-dark);
  min-height: min(760px, calc(100svh - 4.75rem));
  overflow: hidden;
  position: relative;
}

.osm-hero::after {
  background:
    radial-gradient(circle at 76% 18%, rgb(var(--osm-rgb-soft-copper) / 0.22), transparent 28rem),
    linear-gradient(180deg, transparent 62%, rgb(var(--osm-rgb-midnight-navy) / 0.72) 100%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.osm-hero__inner {
  align-items: center;
  display: grid;
  min-height: inherit;
  padding-block: var(--osm-section-space-sm);
  position: relative;
  z-index: var(--osm-z-raised);
}

.osm-hero__content {
  max-width: 50rem;
}

.osm-hero__content > * + * {
  margin-block-start: var(--osm-space-3);
}

.osm-hero__headline {
  color: var(--osm-color-text-on-dark);
  font-size: var(--osm-text-display);
  max-width: 11ch;
}

.osm-hero__description {
  color: var(--osm-color-text-on-dark-secondary);
  max-width: 42rem;
}

.osm-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--osm-space-2);
  padding-block-start: var(--osm-space-2);
}

.osm-hero__actions .osm-button--secondary {
  color: var(--osm-color-text-on-dark);
}

body.osm-menu-open {
  overflow: hidden;
}

@media (max-width: 781px) {
  .osm-header-inner {
    min-height: 4.25rem;
  }

  .osm-primary-nav {
    align-content: start;
    background:
      linear-gradient(180deg, rgb(var(--osm-rgb-deep-navy) / 0.98), rgb(var(--osm-rgb-midnight-navy) / 0.98));
    border-left: 1px solid var(--osm-color-border-dark);
    box-shadow: var(--osm-shadow-lg);
    display: grid;
    gap: var(--osm-space-3);
    inset: 0 0 0 auto;
    max-width: 24rem;
    opacity: 0;
    padding: calc(4.25rem + var(--osm-space-4)) var(--osm-container-pad) var(--osm-space-6);
    pointer-events: none;
    position: fixed;
    transform: translateX(1rem);
    transition: var(--osm-transition-base);
    visibility: hidden;
    width: min(88vw, 24rem);
    z-index: var(--osm-z-modal);
  }

  body.osm-menu-open .osm-primary-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
    visibility: visible;
  }

  .osm-primary-nav a {
    font-size: var(--osm-text-body-lg);
  }

  .osm-hero {
    background-position: 62% center;
    min-height: min(640px, calc(100svh - 4.25rem));
  }

  .osm-hero__inner {
    align-items: end;
    padding-block: var(--osm-space-8);
  }

  .osm-hero__headline {
    max-width: 10ch;
  }

  .osm-hero__actions {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (min-width: 782px) {
  .osm-menu-toggle {
    display: none;
  }

  .osm-hero__content {
    padding-block-end: var(--osm-space-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .osm-menu-toggle__icon,
  .osm-menu-toggle__icon::before,
  .osm-menu-toggle__icon::after,
  .osm-primary-nav a,
  .osm-primary-nav a::after,
  .osm-primary-nav {
    transition: none;
  }
}