/* Base shell for main-website. The more expressive page-specific work
   lives in assets/css/components/*.css, but the header/footer/navigation
   and page framing belong here so every page shares the same editorial
   rhythm. */

* { box-sizing: border-box; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* overflow-x lives on <html>, not <body>: setting it on body forces
   body's overflow-y to compute as "auto" (CSS spec quirk), which makes
   body its own scroll container instead of the window/documentElement —
   breaking window scroll-position listeners (e.g. the header in base.njk). */
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  /* The tab bar (.work-tabs__list) is fully sticky to the header now — the
     trackpad rubber-band overscroll at the top/bottom of the page made it
     visibly jump/overshoot during that bounce, which reads as broken since
     there's nothing left for it to "catch up" to. */
  overscroll-behavior-y: none;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-body);
  color: var(--color-text);
  background: #ffffff;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-text);
}

main {
  padding: var(--page-top-offset) var(--space-10) calc(var(--space-16) + 16px);
  max-width: 1180px;
  margin: 0 auto;
}

.page-home main {
  padding-top: 0;
}

/* Inszenierungen/Meisterkurse & Coaching: no visible H1 anymore, so the
   sticky tab bar (.work-tabs__list) is the first thing in the page. The
   visible gap under the fixed header is baked into its own sticky offset
   (see .page-tabs-flush .work-tabs__list below) rather than left as plain
   spacing here — its static resting position must exactly equal that
   sticky offset, or it visibly travels/scrolls the difference before
   locking in place instead of being stuck from the first pixel of scroll. */
.page-tabs-flush main {
  padding-top: var(--tabs-flush-offset);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  border-top: 1px solid color-mix(in srgb, var(--color-accent) 12%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--color-accent) 12%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header {
    background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  }
}

.site-header__inner,
.site-footer__inner {
  width: min(100%, 1180px);
  margin-inline: auto;
  padding: var(--space-5) var(--space-10);
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.site-header__inner {
  justify-content: space-between;
  padding-block: var(--space-4);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  color: var(--color-accent);
  text-decoration: none;
  white-space: nowrap;
  transition:
    opacity 220ms ease,
    transform 220ms ease;
}

.site-header__brand-logo {
  display: block;
  width: auto;
  height: clamp(1.6rem, 2.4vw, 2.24rem);
}

.site-header__brand-mark {
  display: inline-flex;
  align-items: baseline;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 0.8;
  letter-spacing: -0.08em;
  color: var(--color-accent);
}

.site-header__brand-letter--j {
  font-style: normal;
  font-weight: 400;
}

.site-header__brand-letter--s {
  font-style: normal;
  font-weight: 600;
  margin-left: -0.02em;
}

.site-nav {
  margin-left: auto;
}

.site-nav-toggle {
  display: none;
}

.site-nav__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-6);
  padding: 0;
  margin: 0;
}

.site-footer__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  padding: 0;
  margin: 0;
}

.site-nav__link,
.site-footer__link,
.site-footer__copyright {
  color: var(--color-accent);
  text-decoration: none;
  font-size: var(--font-size-small);
  letter-spacing: var(--tracking-nav);
  text-transform: uppercase;
  font-weight: 500;
}

.site-footer__link {
  position: relative;
  padding-bottom: 4px;
  color: var(--color-text);
  text-decoration: none;
}

.site-footer__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -1px;
  height: 1px;
  background: var(--color-text);
  transition: right 180ms ease;
}

.site-footer__link:hover::after {
  right: 0;
}

.site-nav__link {
  position: relative;
  display: inline-block;
  padding: 0 0 4px;
  color: var(--color-text);
  letter-spacing: 0.045em;
  line-height: 1;
}

.site-nav__link--contact {
  padding: 0.48rem 0.8rem 0.5rem;
  border-radius: 0;
  border: 1px solid var(--color-accent);
  background: var(--color-accent);
  color: var(--color-bg);
  letter-spacing: 0.025em;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -1px;
  height: 1px;
  background: var(--color-text);
  transition: right 180ms ease;
}

.site-nav__link:hover::after {
  right: 0;
}

.site-nav__link.is-current {
  color: var(--color-text);
  font-weight: 600;
}

.site-nav__link--contact.is-current {
  color: var(--color-bg);
  font-weight: 500;
}

.site-nav__link.is-current::after {
  right: 0;
  background: var(--color-text);
}

.site-nav__link--contact::after,
.site-nav__link--contact.is-current::after {
  display: none;
}

.site-nav__link--contact:hover {
  opacity: 1;
  background: color-mix(in srgb, var(--color-accent) 90%, white);
  border-color: color-mix(in srgb, var(--color-accent) 90%, white);
}

.site-nav__link--contact:hover::after,
.site-nav__link--contact:focus-visible::after {
  display: none;
}

.site-footer {
  color: var(--color-text);
  background: #ffffff;
  border-top: 1px solid color-mix(in srgb, var(--color-accent) 12%, transparent);
}

.site-footer__inner {
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-5);
}

.site-footer__copyright {
  margin: 0;
  color: color-mix(in srgb, var(--color-text) 66%, transparent);
}

.site-footer__nav {
  margin-left: auto;
}

.site-footer__list {
  justify-content: flex-end;
}

.site-nav__link:hover,
.site-header__brand:hover {
  opacity: 0.8;
}

@media (max-width: 1100px) {
  .site-header__inner,
  .site-footer__inner,
  main {
    padding-inline: var(--space-6);
  }

  .page-tabs-flush main {
    padding-top: calc(var(--site-header-height) + var(--space-8));
  }

  .site-header__inner {
    position: relative;
    z-index: 32;
    display: grid;
    grid-template-columns: auto auto;
    align-items: center;
    gap: var(--space-4);
    justify-content: space-between;
    padding-block: var(--space-4);
  }

  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    padding-block: var(--space-4);
  }

  .site-nav-toggle {
    position: relative;
    z-index: 33;
    display: inline-flex;
    grid-column: 2;
    justify-self: end;
    flex: 0 0 auto;
    align-items: center;
    gap: var(--space-3);
    min-height: 44px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--color-accent);
    font: inherit;
    font-size: var(--font-size-small);
    font-weight: 700;
    letter-spacing: var(--tracking-nav);
    text-transform: uppercase;
    cursor: pointer;
  }

  .site-nav-toggle__icon,
  .site-nav-toggle__icon::before,
  .site-nav-toggle__icon::after {
    display: block;
    width: 1.55rem;
    height: 1px;
    background: currentColor;
    transition:
      transform 180ms ease,
      opacity 180ms ease;
  }

  .site-nav-toggle__icon {
    position: relative;
  }

  .site-nav-toggle__icon::before,
  .site-nav-toggle__icon::after {
    content: "";
    position: absolute;
    left: 0;
  }

  .site-nav-toggle__icon::before {
    top: -7px;
  }

  .site-nav-toggle__icon::after {
    top: 7px;
  }

  .nav-is-open .site-nav-toggle {
    color: var(--color-bg);
  }

  .nav-is-open .site-header__brand-logo {
    filter: brightness(0) invert(1);
  }

  .nav-is-open .site-nav-toggle__icon {
    background: transparent;
  }

  .nav-is-open .site-nav-toggle__icon::before {
    transform: translateY(7px) rotate(42deg);
  }

  .nav-is-open .site-nav-toggle__icon::after {
    transform: translateY(-7px) rotate(-42deg);
  }

  .site-nav,
  .site-footer__nav {
    margin-left: 0;
    min-width: 0;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 31;
    grid-column: 1 / -1;
    flex: none;
    display: grid;
    align-content: center;
    width: 100%;
    max-width: none;
    min-height: 100svh;
    padding: calc(var(--site-header-height) + var(--space-10)) var(--space-6) var(--space-8);
    overflow-y: auto;
    background: var(--color-accent);
    color: var(--color-bg);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transform: translateY(-0.75rem);
    transition:
      opacity 180ms ease,
      transform 180ms ease,
      visibility 0s linear 180ms;
    -webkit-overflow-scrolling: touch;
  }

  .nav-is-open .site-header {
    background: var(--color-accent);
    border-color: color-mix(in srgb, var(--color-bg) 16%, transparent);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .nav-is-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    transform: translateY(0);
    transition:
      opacity 180ms ease,
      transform 180ms ease,
      visibility 0s;
  }

  .nav-is-open {
    overflow: hidden;
  }

  .site-nav__list {
    width: min(100%, 28rem);
    max-width: none;
    display: grid;
    gap: var(--space-4);
    align-items: stretch;
    margin-inline: auto;
  }

  .site-nav__link {
    display: block;
    padding: 0 0 var(--space-3);
    border-bottom: 1px solid color-mix(in srgb, var(--color-bg) 22%, transparent);
    color: var(--color-bg);
    font-family: var(--font-serif);
    font-size: clamp(2rem, 10vw, 3.2rem);
    font-weight: 500;
    letter-spacing: -0.03em;
    line-height: 0.94;
    text-transform: none;
  }

  .site-nav__link::after,
  .site-nav__link.is-current::after {
    display: none;
  }

  .site-nav__link.is-current {
    color: var(--color-bg);
  }

  .site-nav__link.is-current::before {
    content: "";
    display: inline-block;
    width: 0.4em;
    height: 0.4em;
    margin-right: 0.32em;
    border-radius: 50%;
    background: currentColor;
    vertical-align: 0.08em;
  }

  .site-nav__link--contact,
  .site-nav__link--contact.is-current {
    margin-top: var(--space-5);
    padding: 1rem 1.1rem;
    border: 1px solid var(--color-bg);
    background: var(--color-bg);
    color: var(--color-accent);
    font-family: var(--font-sans);
    font-size: var(--font-size-small);
    font-weight: 700;
    letter-spacing: var(--tracking-nav);
    line-height: 1.2;
    text-transform: uppercase;
    text-align: center;
    box-shadow: 0 1.1rem 3rem color-mix(in srgb, var(--color-text) 16%, transparent);
  }

  .site-nav__link--contact.is-current::before {
    display: none;
  }

  .site-nav__link--contact:hover {
    background: color-mix(in srgb, var(--color-bg) 92%, transparent);
    border-color: color-mix(in srgb, var(--color-bg) 92%, transparent);
  }

  .site-footer__nav {
    margin-left: 0;
  }

  .site-footer__list {
    justify-content: flex-start;
  }
}

@media (max-width: 360px) {
  main {
    padding-inline: var(--space-4);
  }

  .site-nav__link {
    font-size: clamp(1.78rem, 9.4vw, 2.35rem);
  }

  .site-nav__list {
    gap: var(--space-3);
  }

  .site-nav__link--contact,
  .site-nav__link--contact.is-current {
    margin-top: var(--space-3);
    padding-block: 0.88rem;
  }
}

@media (max-width: 1100px) and (prefers-reduced-motion: reduce) {
  .site-nav,
  .site-nav-toggle__icon,
  .site-nav-toggle__icon::before,
  .site-nav-toggle__icon::after {
    transition: none;
  }
}
