/* Site header + stacked language control + index hero split */

/* ——— Language stack (circular EN/DE — mockup: joined capsule) ——— */
.lang-stack {
  position: relative;
  width: 2.75rem;
  height: 2.75rem;
  z-index: 5;
}

.lang-stack-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 9999px;
  border: 1.5px solid #1e1b4b;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  box-shadow: none;
}

.lang-stack-primary {
  position: relative;
  z-index: 2;
  background: #ffffff;
  color: #111418;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.dark .lang-stack-primary {
  background: #ffffff;
  color: #111418;
  border-color: #1e1b4b;
}

.lang-stack-panel {
  position: absolute;
  left: 50%;
  top: 0;
  z-index: 1;
  transform: translateX(-50%);
  pointer-events: none;
}

.lang-stack-secondary {
  /* Slightly narrower than EN; circular U bottom (not oval) */
  width: 2.25rem;
  height: 2.25rem;
  padding: 0 0 0.7rem;
  align-items: flex-end;
  background: #e8e8ec;
  color: #111418;
  border-color: #1e1b4b;
  /* Half of width = true circular bottom, not elliptical 50% */
  border-radius: 1.125rem;
  opacity: 0;
  overflow: hidden;
  transform: none;
  transition:
    height 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.22s ease,
    padding 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.dark .lang-stack-secondary {
  background: #e8e8ec;
  color: #111418;
  border-color: #1e1b4b;
}

.lang-stack.is-open .lang-stack-secondary {
  /* Extra length so DE clears the EN circle */
  height: calc(5.15rem - 5px);
  padding-bottom: calc(0.85rem - 4px);
  opacity: 1;
  pointer-events: auto;
}

.lang-stack.is-open .lang-stack-panel {
  pointer-events: auto;
}

/* ——— Site header (non-index + scrolled index) ——— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 300;
  width: 100%;
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
}

.dark .site-header {
  border-bottom-color: rgba(30, 41, 59, 0.9);
  background: rgba(16, 25, 34, 0.92);
}

.site-header-inner {
  margin: 0;
  max-width: none;
  padding: 0 1.5rem 0 0;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  height: 100%;
}

.site-logo-link {
  display: flex;
  align-items: stretch;
  height: 100%;
  text-decoration: none;
}

.site-logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: 0;
  background: #6366f1;
  color: #ffffff;
  box-shadow: none;
  padding: 0.85rem;
}

.site-logo-mark svg,
.site-logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.site-header-nav {
  display: none;
  align-items: center;
  gap: 2rem;
}

@media (min-width: 768px) {
  .site-header-nav {
    display: flex;
  }
}

.site-header-nav a {
  font-size: 18px;
  font-weight: 500;
  color: #475569;
  text-decoration: none;
  transition: color 0.15s ease;
}

.dark .site-header-nav a {
  color: #94a3b8;
}

.site-header-nav a:hover {
  color: #6366f1;
}

.site-header .lang-stack {
  z-index: 20;
}

/* Header lang: filled chip, no outline (hero portrait keeps bordered mockup) */
.site-header .lang-stack-btn {
  border: none;
}

.site-header .lang-stack-primary {
  background: #e8e8ec;
  color: #111418;
}

.site-header .lang-stack-secondary {
  background: #dcdce2;
  color: #111418;
  border: none;
}

.dark .site-header .lang-stack-primary {
  background: #2a3544;
  color: #f8fafc;
  border: none;
}

.dark .site-header .lang-stack-secondary {
  background: #1e293b;
  color: #f8fafc;
  border: none;
}

.site-header-right {
  display: flex;
  align-items: center;
  gap: calc(0.75rem + 10px);
  flex-shrink: 0;
  position: relative;
  z-index: 6;
  padding-right: 0.25rem;
}

.site-header-talk {
  display: none;
  align-items: center;
  gap: 0.35rem;
  font-size: 18px;
  font-weight: 600;
  color: #111418;
  text-decoration: none;
  transition: color 0.15s ease;
}

.dark .site-header-talk {
  color: #f8fafc;
}

.site-header-talk:hover {
  color: #6366f1;
}

@media (min-width: 768px) {
  .site-header-talk {
    display: inline-flex;
  }
}

/* Index: hide sticky until scrolled past hero */
.site-header--index-reveal {
  position: fixed;
  left: 0;
  right: 0;
  z-index: 300;
  transform: translateY(-110%);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), width 0.25s ease;
  pointer-events: none;
}

.site-header--index-reveal.is-visible {
  transform: translateY(0);
  pointer-events: auto;
}

/* While hero portrait is still on screen: header bar stops before the image */
@media (min-width: 1024px) {
  .site-header--index-reveal.is-visible:not(.is-past-hero) {
    right: auto;
    width: calc(100% - min(590px, 42.14vw));
  }

  .site-header--index-reveal.is-visible:not(.is-past-hero) .site-header-inner {
    justify-content: flex-start;
  }

  .site-header--index-reveal.is-visible:not(.is-past-hero) .site-header-nav {
    margin-left: auto;
    margin-right: 20px;
  }

  .site-header--index-reveal.is-visible:not(.is-past-hero) .site-header-talk,
  .site-header--index-reveal.is-visible:not(.is-past-hero) .lang-stack {
    display: none;
  }

  .site-header--index-reveal.is-visible:not(.is-past-hero) .site-header-right {
    position: absolute;
    right: 0;
  }

  /* Past hero: full-bleed sticky bar again */
  .site-header--index-reveal.is-visible.is-past-hero {
    left: 0;
    right: 0;
    width: 100%;
  }

  .site-header--index-reveal.is-visible.is-past-hero .site-header-inner {
    width: 100%;
    justify-content: space-between;
  }

  .site-header--index-reveal.is-visible.is-past-hero .site-header-nav {
    margin-left: 0;
    margin-right: 0;
  }

  .site-header--index-reveal.is-visible.is-past-hero .site-header-right {
    position: relative;
    right: auto;
  }
}

/* ——— Index hero split ——— */
.hero-split {
  position: relative;
  z-index: 0;
  display: grid;
  grid-template-columns: 1fr;
  /* Mobile: in-flow so the portrait is a real scroll stop before Selected Works */
  grid-template-rows: auto minmax(62svh, 78vw);
  min-height: 100svh;
  background: #f3f4f6;
  overflow: hidden;
}

.dark .hero-split {
  background: #101922;
}

@media (min-width: 1024px) {
  .hero-split {
    position: fixed;
    inset: 0;
    /* ~590px portrait at 1400px viewport (not 50/50) */
    grid-template-columns: minmax(0, 1fr) min(590px, 42.14vw);
    grid-template-rows: 1fr;
    height: 100%;
    min-height: 0;
    max-height: none;
  }
}

.hero-split-left {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  padding: 0 1.25rem 0.75rem 0;
  min-height: 0;
}

@media (min-width: 1024px) {
  .hero-split-left {
    padding: 0 2.5rem 2rem 0;
    overflow: hidden;
  }
}

.hero-split-chrome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-shrink: 0;
  height: 4rem;
  padding-right: 0;
  position: relative;
  z-index: 5;
  background: #f3f4f6;
}

.dark .hero-split-chrome {
  background: #101922;
}

.hero-split-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  height: 100%;
}

.hero-split-brand .site-logo-link {
  height: 4rem;
}

.hero-split-nav {
  display: none;
  align-items: center;
  gap: 1.75rem;
  margin-left: auto;
  padding-right: 20px;
}

@media (min-width: 768px) {
  .hero-split-nav {
    display: flex;
  }
}

.hero-split-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: #111418;
  text-decoration: none;
  transition: color 0.15s ease;
}

.dark .hero-split-nav a {
  color: #f8fafc;
}

.hero-split-nav a:hover {
  color: #6366f1;
}

.hero-split-body {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 0.85rem;
  max-width: none;
  width: 100%;
  padding: 1.5rem 1.25rem 0 1.5rem;
  min-height: 0;
  overflow: visible;
}

@media (min-width: 1024px) {
  .hero-split-body {
    position: relative;
    flex: 1;
    justify-content: flex-start;
    align-items: center;
    gap: 0;
    padding: 76px 20px 0;
    overflow: visible;
  }
}

.hero-split-copy {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: 636px;
  width: 100%;
  min-width: 0;
}

@media (min-width: 1024px) {
  .hero-split-copy {
    gap: 1.5rem;
    margin-left: auto;
    margin-right: auto;
  }
}

.hero-split-title {
  margin: 0;
  max-width: 636px;
  font-size: clamp(1.7rem, 7.2vw, 2.35rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: #111418;
}

/* German title line 1 is longer — scale down so it stays one line (no DE-only layout breakpoint) */
@media (min-width: 1024px) {
  .hero-split-title {
    font-size: clamp(2rem, 4.2vw, 3.35rem);
  }

  html[lang="de"] .hero-split-title {
    font-size: clamp(1.75rem, 3.55vw, 3.05rem);
  }

  html[lang="de"] .hero-split-title .hero-anim-title-1 {
    white-space: nowrap;
  }
}

.dark .hero-split-title {
  color: #ffffff;
}

.hero-split-title .hero-accent {
  color: #6366f1;
}

.hero-split-subtitle {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.45;
  color: #4b5563;
  max-width: 570px;
  width: 100%;
}

@media (min-width: 1024px) {
  .hero-split-subtitle {
    font-size: 1rem;
    line-height: 1.55;
    margin-top: 70px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }
}

.dark .hero-split-subtitle {
  color: #cbd5e1;
}

@media (max-width: 1023px) {
  /* Desktop subtitle uses <br>; on phones keep one flowing block to avoid overlap */
  .hero-split-subtitle br {
    display: none;
  }
}

.hero-split-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  align-self: flex-start;
  min-height: 2.85rem;
  padding: 0.7rem 1.35rem;
  border-radius: 0;
  background: #111418;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s ease, transform 0.2s ease;
  position: relative;
  z-index: auto;
  margin-top: 0.15rem;
  margin-bottom: 0;
}

@media (min-width: 1024px) {
  .hero-split-cta {
    position: absolute;
    /* Align right edge with centered .hero-split-copy (max-width: 636px) */
    right: calc((100% - min(636px, 100%)) / 2);
    bottom: 30px;
    z-index: 5;
    align-self: auto;
    margin: 0;
    width: 224px;
    min-width: 224px;
    min-height: 3.25rem;
    padding: 0.85rem 1.75rem;
    font-size: 1.125rem;
  }
}

.dark .hero-split-cta {
  background: #6366f1;
}

.hero-split-cta:hover {
  background: #6366f1;
  transform: translateY(-1px);
}

.dark .hero-split-cta:hover {
  background: #818cf8;
}

.hero-split-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem 1.5rem;
  flex-shrink: 0;
  margin-top: 0.85rem;
  padding: 0.35rem 1.25rem 0.25rem 1.5rem;
}

@media (min-width: 1024px) {
  .hero-split-footer {
    flex-wrap: nowrap;
    align-items: center;
    margin-top: auto;
    /* Match .hero-split-body 20px padding + centered 636px copy column */
    padding-top: 1.5rem;
    padding-bottom: 0;
    padding-left: calc(20px + (100% - 40px - min(636px, 100% - 40px)) / 2);
    padding-right: calc(20px + (100% - 40px - min(636px, 100% - 40px)) / 2);
  }
}

.hero-explore {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: #111418;
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.2;
}

.dark .hero-explore {
  color: #e2e8f0;
}

.hero-explore-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  flex-shrink: 0;
  border-radius: 9999px;
  background: #6366f1;
  color: #ffffff;
}

.hero-stats {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  flex-shrink: 0;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0.15rem;
  text-align: left;
}

.hero-stat-value {
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.1;
  color: #111418;
}

.dark .hero-stat-value {
  color: #f8fafc;
}

.hero-stat-label {
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.25;
  color: #64748b;
}

.dark .hero-stat-label {
  color: #94a3b8;
}

/* Right / portrait */
.hero-split-right {
  position: relative;
  z-index: 1;
  min-height: 0;
  overflow: hidden;
  background: #0b1220;
}

.hero-split-right-chrome {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  z-index: 3;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  pointer-events: none;
}

.hero-split-right-chrome > * {
  pointer-events: auto;
}

.hero-split-right-chrome .lang-stack {
  /* Optically align EN with Approach/About + Let's talk text */
  margin-top: -9px;
}

.hero-split-talk {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: #ffffff;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.35);
  transition: opacity 0.15s ease;
}

.hero-split-talk:hover {
  opacity: 0.85;
}

.hero-portrait {
  position: absolute;
  inset: 0;
  overflow: hidden;
  cursor: pointer;
}

.hero-portrait-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transform: scale(1) translateZ(0);
  filter: grayscale(100%);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transition:
    filter 0.9s cubic-bezier(0.4, 0, 0.2, 1),
    transform 1.15s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: filter, transform;
}

.hero-portrait:hover .hero-portrait-img,
.hero-portrait.is-color .hero-portrait-img {
  filter: grayscale(0%);
  transform: scale(1.04) translateZ(0);
}

@media (prefers-reduced-motion: reduce) {
  .hero-portrait-img {
    transition: filter 0.35s ease;
  }

  .hero-portrait:hover .hero-portrait-img,
  .hero-portrait.is-color .hero-portrait-img {
    transform: scale(1) translateZ(0);
  }
}

/* Hero grid kept in DOM but forced off */
.hero-split .hg-scene,
.hero-split #radarBtnWrapper {
  opacity: 0 !important;
  pointer-events: none !important;
  visibility: hidden;
}

@media (max-width: 1023px) {
  .hero-split-right-chrome {
    display: none;
  }

  .hero-split-footer {
    padding-bottom: 0.25rem;
  }
}

.hero-split-chrome-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto;
}

/* Mobile: lang lives in left header; desktop: on portrait */
.hero-split-chrome .lang-stack--chrome {
  display: none;
}

@media (max-width: 1023px) {
  .hero-split-chrome .lang-stack--chrome {
    display: block;
  }
}

@media (min-width: 1024px) {
  .hero-split-chrome-actions {
    display: none;
  }
}

/* Header-style chip on light chrome (not bordered portrait style) */
.hero-split-chrome .lang-stack-btn {
  border: none;
}

.hero-split-chrome .lang-stack-primary {
  background: #e8e8ec;
  color: #111418;
}

.hero-split-chrome .lang-stack-secondary {
  background: #dcdce2;
  color: #111418;
  border: none;
}

.dark .hero-split-chrome .lang-stack-primary {
  background: #2a3544;
  color: #f8fafc;
}

.dark .hero-split-chrome .lang-stack-secondary {
  background: #1e293b;
  color: #f8fafc;
}