:root {
  --ivory: #f4eee3;
  --gold: #e8bc65;
  --ink: #070705;
  --line: rgba(255, 244, 222, 0.34);
  --ease-door: cubic-bezier(0.22, 0.78, 0.18, 1);
  --door-time: 980ms;
  --content-time: 820ms;
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-width: 100%;
  min-height: 100%;
  margin: 0;
  background: var(--ink);
  color: var(--ivory);
}

body {
  overflow-x: hidden;
}

a,
button {
  color: inherit;
  font: inherit;
}

button {
  border: 0;
}

:focus-visible {
  outline: 2px solid #f3c767;
  outline-offset: 4px;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background: #060604;
  isolation: isolate;
}

.top-nav {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  min-height: 84px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 clamp(24px, 3.2vw, 54px);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.56), rgba(0, 0, 0, 0));
  pointer-events: none;
}

.top-nav a {
  pointer-events: auto;
}

.identity {
  color: #fff8ea;
  font-size: clamp(1rem, 1.45vw, 1.35rem);
  font-weight: 650;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.8vw, 44px);
}

.top-nav .locale-switch {
  display: inline-flex;
  gap: 3px;
  align-items: center;
  pointer-events: auto;
}

.top-nav .locale-switch button {
  padding: 6px 3px;
  background: transparent;
  color: rgba(255, 248, 234, 0.76);
  cursor: pointer;
  font-size: 0.64rem;
  font-weight: 750;
  letter-spacing: 0.04em;
}

.top-nav .locale-switch button[aria-pressed="true"] {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.nav-actions a {
  padding: 10px 0;
  color: rgba(255, 248, 234, 0.9);
  font-size: clamp(0.74rem, 0.9vw, 0.9rem);
  font-weight: 650;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.nav-actions span {
  display: inline-block;
  margin-left: 0.45em;
  transition: transform 300ms ease;
}

.nav-actions a:hover span,
.nav-actions a:focus-visible span {
  transform: translate(0.2em, -0.2em);
}

.split-door {
  display: flex;
  width: 100%;
  height: 100svh;
  min-height: 720px;
  overflow: hidden;
}

.door-panel {
  --panel-tone: rgba(44, 5, 0, 0.14);
  --panel-ground: #3c0c08;
  position: relative;
  flex: 0 1 33.333%;
  min-width: 0;
  overflow: hidden;
  background: #160805;
  isolation: isolate;
  transition:
    flex-basis var(--door-time) var(--ease-door),
    filter var(--door-time) var(--ease-door);
}

.door-panel + .door-panel {
  border-left: 1px solid rgba(236, 207, 146, 0.56);
}

.ai-panel {
  --panel-tone: rgba(9, 3, 42, 0.14);
  --panel-ground: #0f0829;
  background: #100929;
}

.space-panel {
  --panel-tone: rgba(0, 7, 48, 0.16);
  --panel-ground: #071b4a;
  background: #071342;
}

.door-panel::after {
  position: absolute;
  z-index: 4;
  top: 0;
  right: 0;
  left: 0;
  height: 34%;
  background: linear-gradient(180deg, rgba(4, 4, 3, 0.7), rgba(4, 4, 3, 0));
  content: "";
  opacity: 0;
  pointer-events: none;
  transition: opacity 520ms ease 280ms;
}

.door-panel.is-active::after {
  opacity: 1;
}

.split-door[data-active]:not([data-active=""]) .door-panel:not(.is-active) {
  flex-basis: 27%;
}

.split-door[data-active="branding"] .branding-panel,
.split-door[data-active="ai"] .ai-panel,
.split-door[data-active="space"] .space-panel {
  flex-basis: 46%;
}

.panel-image,
.panel-tone {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.panel-image {
  z-index: 0;
  object-fit: cover;
  object-position: center;
  transform: scale(1.06);
  filter: saturate(0.94) contrast(1.02);
  opacity: 1;
  transition:
    transform 1220ms var(--ease-door),
    filter var(--door-time) var(--ease-door),
    object-position var(--door-time) var(--ease-door),
    opacity 620ms ease;
}

.branding-panel .panel-image {
  object-position: 55% center;
}

.ai-panel .panel-image {
  object-position: 50% center;
}

.space-panel .panel-image {
  object-position: 48% center;
}

.panel-tone {
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.2) 0%, transparent 32%, rgba(0, 0, 0, 0.68) 100%),
    var(--panel-tone);
  pointer-events: none;
  transition: opacity var(--door-time) var(--ease-door);
}

.door-panel.is-active .panel-image {
  transform: scale(1.01);
  filter: saturate(1.02) contrast(1.03);
  opacity: 0.13;
}

.split-door[data-active]:not([data-active=""]) .door-panel:not(.is-active) .panel-image {
  transform: scale(1.08);
  filter: saturate(0.8) brightness(0.74);
}

.split-door[data-active]:not([data-active=""]) .door-panel:not(.is-active) .panel-tone {
  opacity: 0.9;
}

.panel-trigger {
  position: absolute;
  z-index: 5;
  top: 50%;
  left: clamp(18px, 3vw, 48px);
  right: clamp(18px, 3vw, 48px);
  display: block;
  width: calc(100% - clamp(36px, 6vw, 96px));
  padding: 0;
  background: transparent;
  cursor: pointer;
  text-align: center;
  transform: translateY(-50%);
  transition:
    top var(--content-time) var(--ease-door),
    transform var(--content-time) var(--ease-door),
    opacity var(--content-time) ease;
}

.panel-index {
  display: block;
  margin-bottom: 12px;
  color: rgba(255, 242, 216, 0.78);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.16em;
}

.panel-title {
  display: block;
  color: #fff9ee;
  font-size: clamp(2.3rem, 4.7vw, 5.3rem);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 0.92;
  text-shadow: 0 8px 34px rgba(0, 0, 0, 0.42);
  transition: transform var(--content-time) var(--ease-door);
}

.panel-title span {
  color: var(--gold);
  font-weight: 400;
}

.door-panel.is-active .panel-trigger {
  top: 17%;
}

.door-panel.is-active .panel-title {
  transform: scale(0.76);
}

.split-door[data-active]:not([data-active=""]) .door-panel:not(.is-active) .panel-trigger {
  opacity: 0.68;
}

.split-door[data-active]:not([data-active=""]) .door-panel:not(.is-active) .panel-title {
  transform: scale(0.84);
}

.project-preview {
  position: absolute;
  z-index: 3;
  inset: 0;
  overflow: hidden;
  background: var(--panel-ground);
  opacity: 0;
  pointer-events: none;
  transform: scale(1.015);
  transition: opacity 620ms ease 300ms, transform 880ms var(--ease-door) 220ms;
}

.door-panel.is-active .project-preview {
  opacity: 1;
  transform: scale(1);
}

html.is-route-transitioning body[data-view="home"] .door-panel.is-active .project-preview {
  view-transition-name: case-hero;
}

.project-preview img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: saturate(0.98) contrast(1.02);
}

.project-strip {
  position: absolute;
  z-index: 6;
  right: 0;
  bottom: 7%;
  left: 0;
  padding: 6px clamp(20px, 2.4vw, 38px);
  border-top: 1px solid rgba(255, 244, 222, 0.28);
  background: rgba(7, 7, 6, 0.76);
  opacity: 0;
  pointer-events: none;
  transform: translateY(18px);
  transition:
    opacity 540ms ease 400ms,
    transform 780ms var(--ease-door) 340ms;
}

.project-strip[hidden] {
  display: none;
}

.door-panel.is-active .project-strip {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.project-strip a {
  display: grid;
  grid-template-columns: 30px minmax(110px, 1fr) minmax(120px, 0.8fr) 44px;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  color: #fff8ec;
  text-decoration: none;
  transition: background 250ms ease, padding 250ms ease;
}

.project-strip a:hover,
.project-strip a:focus-visible {
  padding: 0 10px;
  background: rgba(255, 248, 234, 0.08);
}

.project-strip a.is-selected {
  background: rgba(255, 248, 234, 0.11);
}

.project-strip a > span {
  color: rgba(255, 242, 216, 0.62);
  font-size: 0.68rem;
}

.project-strip strong {
  overflow: hidden;
  font-size: clamp(0.86rem, 1vw, 1rem);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-strip em {
  overflow: hidden;
  color: rgba(255, 246, 230, 0.7);
  font-size: 0.72rem;
  font-style: normal;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-strip b {
  display: grid;
  width: 44px;
  height: 44px;
  align-items: center;
  color: var(--gold);
  font-weight: 400;
  justify-self: end;
  place-content: center;
  text-align: right;
}

.project-strip .strip-archive-link {
  grid-template-columns: 1fr 44px;
  color: var(--gold);
  font-size: 0.68rem;
  font-weight: 700;
}

.door-panel.is-keyboard-active .project-preview,
.door-panel.is-keyboard-active .project-strip {
  transition: none;
}

.route-view[hidden] {
  display: none;
}

@media (max-width: 920px) {
  .top-nav {
    min-height: 70px;
    padding: 0 18px;
  }

  .identity {
    font-size: 0.86rem;
  }

  .nav-actions {
    gap: 14px;
  }

  .nav-actions a:nth-child(3) {
    display: none;
  }

  .top-nav .locale-switch {
    gap: 1px;
  }

  .nav-actions a {
    font-size: 0.65rem;
  }

  .split-door {
    display: grid;
    grid-template-rows: repeat(3, minmax(0, 1fr));
    height: 100svh;
    min-height: 720px;
    transition: grid-template-rows var(--door-time) var(--ease-door);
  }

  .split-door[data-active="branding"] {
    grid-template-rows: 1.7fr 0.65fr 0.65fr;
  }

  .split-door[data-active="ai"] {
    grid-template-rows: 0.65fr 1.7fr 0.65fr;
  }

  .split-door[data-active="space"] {
    grid-template-rows: 0.65fr 0.65fr 1.7fr;
  }

  .door-panel,
  .door-panel.is-active {
    width: 100%;
    min-height: 0;
  }

  .door-panel + .door-panel {
    border-top: 1px solid rgba(236, 207, 146, 0.56);
    border-left: 0;
  }

  .panel-trigger {
    left: 18px;
    right: 18px;
    width: calc(100% - 36px);
  }

  .panel-index {
    margin-bottom: 7px;
  }

  .panel-title {
    font-size: clamp(2rem, 10vw, 3.25rem);
  }

  .door-panel.is-active .panel-trigger {
    top: 19%;
  }

  .branding-panel.is-active .panel-trigger {
    top: max(24%, 108px);
  }

  .project-strip {
    top: auto;
    bottom: 0;
    max-height: 44%;
    overflow: auto;
    padding: 6px 18px;
  }

  .project-strip a {
    grid-template-columns: 26px minmax(100px, 1fr) 44px;
    min-height: 44px;
  }

  .project-strip em {
    display: none;
  }

  .door-panel:not(.is-active) .project-strip,
  .door-panel:not(.is-active) .project-preview {
    pointer-events: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --door-time: 120ms;
    --content-time: 120ms;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 120ms !important;
    animation-duration: 1ms !important;
    animation-delay: 0ms !important;
  }

  .door-panel,
  .panel-image,
  .panel-trigger,
  .panel-title,
  .project-strip,
  .project-preview {
    transform: none !important;
    transition-delay: 0ms !important;
  }
}