/* ===== DESIGN TOKENS ===== */
:root {
  /* Fonts */
  --font-body: 'Switzer', 'Helvetica Neue', sans-serif;
  --font-display: 'Instrument Serif', 'Georgia', serif;

  /* Colors — Jewelry Luxury Palette */
  --color-bg: #faf8f5;
  --color-text: #1a1a1a;
  --color-text-muted: #8a8680;
  --color-accent: #c1a77e;

  /* Three-panel brand colors */
  --color-collections: #1a2a2e;    /* Deep forest-black */
  --color-editorial: #e8e4de;      /* Warm cream */
  --color-bespoke: #c1a77e;        /* Champagne gold */

  /* Panel text colors */
  --color-collections-text: #f0ede8;
  --color-editorial-text: #1a1a1a;
  --color-bespoke-text: #1a1a1a;

  /* Transitions */
  --transition-panel: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== GLOBAL ===== */
body {
  width: 100vw;
  height: 100dvh;
  overflow: hidden;
  position: relative;
}

/* ===== HOMEPAGE — THREE PANELS ===== */
.home {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: flex;
  z-index: 10;
}

.panel {
  flex: 1;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  transition: flex var(--transition-panel);
}

.panel:hover {
  flex: 1.15;
}

.panel--collections { background-color: var(--color-collections); }
.panel--editorial { background-color: var(--color-editorial); }
.panel--bespoke { background-color: var(--color-bespoke); }

/* Panel label — rotated vertically */
.panel__label {
  position: absolute;
  top: 40px;
  left: 30px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  z-index: 3;
  user-select: none;
}

.panel--collections .panel__label { color: var(--color-collections-text); }
.panel--editorial .panel__label { color: var(--color-editorial-text); }
.panel--bespoke .panel__label { color: var(--color-bespoke-text); }

/* Panel background images carousel */
.panel__slides {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0;
  transition: opacity 0.6s ease;
  z-index: 1;
}

.panel:hover .panel__slides {
  opacity: 1;
}

.panel__slide {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
}

.panel__slide.active {
  opacity: 1;
}

/* Panel center brand (removed — now using central overlay) */
.panel__brand { display: none; }

/* ===== CENTRAL BRAND OVERLAY ===== */
.brand-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 12;
  pointer-events: none;
}

.brand-name {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  pointer-events: auto;
  cursor: default;
  position: relative;
  z-index: 2;
}

.brand-name__line {
  display: flex;
  align-items: baseline;
  line-height: 1;
}

.brand-name__line--top {
  gap: 0.06em;
}

.brand-name__line--bottom {
  gap: 0.06em;
  margin-top: -0.05em;
}

.brand-char {
  font-family: var(--font-body);
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #fff;
  text-shadow:
    0 2px 4px rgba(0,0,0,0.2),
    0 4px 30px rgba(0,0,0,0.1);
  display: inline-block;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              color 0.4s ease,
              text-shadow 0.4s ease;
  will-change: transform;
}

/* ---- Hover effect: gold fill + luminous glow ---- */
.brand-name:hover .brand-char {
  color: var(--color-accent);
  text-shadow:
    0 0 40px rgba(193, 167, 126, 0.6),
    0 0 80px rgba(193, 167, 126, 0.25),
    0 4px 20px rgba(0,0,0,0.12);
}

.brand-name:hover .brand-name__line--top .brand-char {
  transform: translateY(-6px);
}

.brand-name:hover .brand-name__line--bottom .brand-char {
  transform: translateY(6px);
}

/* Stagger the spread per character */
.brand-name:hover .brand-char { transition-delay: calc(var(--i) * 0.03s); }

/* Subtle individual character drift on hover for organic feel */
.brand-name:hover .brand-name__line--top .brand-char:nth-child(1) { transform: translateY(-8px) translateX(-3px); }
.brand-name:hover .brand-name__line--top .brand-char:nth-child(2) { transform: translateY(-5px) translateX(-1px); }
.brand-name:hover .brand-name__line--top .brand-char:nth-child(3) { transform: translateY(-5px) translateX(1px); }
.brand-name:hover .brand-name__line--top .brand-char:nth-child(4) { transform: translateY(-8px) translateX(3px); }
.brand-name:hover .brand-name__line--bottom .brand-char:nth-child(1) { transform: translateY(8px) translateX(-4px); }
.brand-name:hover .brand-name__line--bottom .brand-char:nth-child(2) { transform: translateY(5px) translateX(-2px); }
.brand-name:hover .brand-name__line--bottom .brand-char:nth-child(3) { transform: translateY(4px) translateX(0px); }
.brand-name:hover .brand-name__line--bottom .brand-char:nth-child(4) { transform: translateY(5px) translateX(2px); }
.brand-name:hover .brand-name__line--bottom .brand-char:nth-child(5) { transform: translateY(8px) translateX(4px); }

/* Gold line that appears between the split */
.brand-name::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scaleX(0);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
  transform-origin: center;
}

.brand-name:hover::after {
  transform: translate(-50%, -50%) scaleX(1);
}

/* Tagline below */
.brand-tagline {
  font-family: var(--font-display);
  font-size: clamp(0.75rem, 1.5vw, 1rem);
  font-style: italic;
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.55);
  text-shadow: 0 1px 10px rgba(0,0,0,0.1);
  margin-top: 20px;
  transition: color 0.4s ease, opacity 0.4s ease, text-shadow 0.4s ease;
}

.brand-name:hover ~ .brand-tagline {
  color: var(--color-accent);
  opacity: 1;
  text-shadow: 0 0 20px rgba(193, 167, 126, 0.3);
}

/* Smooth hide/show when navigating */
.brand-overlay {
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== CATEGORY LIST VIEW ===== */
.category-view {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 20;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
  overflow: hidden;
}

.category-view.open {
  transform: translateY(0);
}

.category-view__header {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 30px;
  z-index: 25;
}

.category-view__title {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.category-view__close {
  font-family: var(--font-body);
  font-size: 24px;
  font-weight: 300;
  line-height: 1;
  cursor: pointer;
  transition: opacity var(--transition-fast);
  background: none;
  border: none;
  padding: 10px;
}

.category-view__close:hover {
  opacity: 0.5;
}

/* Project list */
.project-list {
  position: absolute;
  top: 60px;
  left: 0;
  width: 60%;
  height: calc(100% - 60px);
  overflow-y: auto;
  padding: 20px 30px 60px;
  scrollbar-width: thin;
}

/* Custom scrollbar */
.project-list::-webkit-scrollbar {
  width: 3px;
}
.project-list::-webkit-scrollbar-track {
  background: transparent;
}
.project-list::-webkit-scrollbar-thumb {
  background: rgba(128,128,128,0.3);
  border-radius: 10px;
}

.project-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid rgba(128, 128, 128, 0.15);
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.project-item:hover {
  opacity: 0.6;
}

.project-item__name {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.project-item__detail {
  font-family: var(--font-display);
  font-size: 13px;
  font-style: italic;
  letter-spacing: 0.05em;
  opacity: 0.7;
}

/* Hover preview image */
.preview-image {
  position: fixed;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  z-index: 21;
  overflow: hidden;
  pointer-events: none;
}

.preview-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.preview-image img.visible {
  opacity: 1;
}

/* Collapsed side panels */
.collapsed-panels {
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  display: flex;
  z-index: 22;
}

.collapsed-strip {
  width: 30px;
  height: 100%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: width var(--transition-fast);
  position: relative;
}

.collapsed-strip:hover {
  width: 40px;
}

.collapsed-strip__label {
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  white-space: nowrap;
}

/* ===== PROJECT PAGE ===== */
.project-page {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 30;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
  overflow: hidden;
}

.project-page.open {
  transform: translateY(0);
}

.project-page__header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 30px;
  z-index: 35;
}

.project-page__category {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  flex: 1;
}

.project-page__title-wrap {
  flex: 2;
  text-align: center;
}

.project-page__title {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: inline;
}

.project-page__subtitle {
  font-family: var(--font-display);
  font-size: 12px;
  font-style: italic;
  letter-spacing: 0.05em;
  margin-left: 10px;
  opacity: 0.7;
  display: inline;
}

.project-page__close-wrap {
  flex: 1;
  text-align: right;
}

.project-page__close {
  font-family: var(--font-body);
  font-size: 24px;
  font-weight: 300;
  line-height: 1;
  cursor: pointer;
  transition: opacity var(--transition-fast);
  background: none;
  border: none;
  padding: 10px;
}

.project-page__close:hover {
  opacity: 0.5;
}

/* Project image gallery */
.project-gallery {
  position: absolute;
  top: 60px;
  left: 0;
  width: 100%;
  height: calc(100% - 60px);
  overflow-y: auto;
  scroll-behavior: smooth;
  scrollbar-width: thin;
}

.project-gallery::-webkit-scrollbar {
  width: 3px;
}
.project-gallery::-webkit-scrollbar-track {
  background: transparent;
}
.project-gallery::-webkit-scrollbar-thumb {
  background: rgba(128,128,128,0.3);
  border-radius: 10px;
}

.gallery-image {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 0;
}

.gallery-image--centered img {
  width: 55%;
  max-width: 800px;
  height: auto;
  display: block;
}

.gallery-image--full img {
  width: 100%;
  height: 85vh;
  object-fit: cover;
  display: block;
}

.gallery-image--pair {
  display: flex;
  gap: 20px;
  padding: 40px 5%;
}

.gallery-image--pair img {
  width: calc(50% - 10px);
  height: auto;
  object-fit: cover;
  display: block;
}

/* ===== ABOUT PAGE ===== */
.about-page {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 30;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
  overflow: hidden;
  background: var(--color-bg);
}

.about-page.open {
  transform: translateY(0);
}

.about-page__header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 30px;
  z-index: 35;
  background: var(--color-bg);
}

.about-page__label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text);
}

.about-page__close {
  font-family: var(--font-body);
  font-size: 24px;
  font-weight: 300;
  line-height: 1;
  cursor: pointer;
  transition: opacity var(--transition-fast);
  background: none;
  border: none;
  color: var(--color-text);
  padding: 10px;
}

.about-page__close:hover { opacity: 0.5; }

.about-content {
  position: absolute;
  top: 60px;
  left: 0;
  width: 100%;
  height: calc(100% - 60px);
  overflow-y: auto;
  padding: 60px 30px 80px;
  display: flex;
  gap: 80px;
}

.about-content__image {
  flex: 1;
  max-width: 45%;
}

.about-content__image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about-content__text {
  flex: 1;
  max-width: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-content__name {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-style: italic;
  color: var(--color-text);
  margin-bottom: 30px;
  line-height: 1.1;
}

.about-content__bio {
  font-family: var(--font-display);
  font-size: 15px;
  font-style: italic;
  line-height: 1.8;
  color: var(--color-text);
  opacity: 0.8;
  max-width: 500px;
}

.about-content__bio p {
  margin-bottom: 20px;
}

.about-content__contact {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid rgba(128, 128, 128, 0.2);
}

.about-content__contact a {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text);
  opacity: 0.6;
  transition: opacity var(--transition-fast);
  display: inline-block;
  margin-right: 30px;
}

.about-content__contact a:hover {
  opacity: 1;
}

/* ===== SCROLL ARROW ===== */
.scroll-arrow {
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 26;
  font-family: var(--font-body);
  font-size: 18px;
  animation: bounceArrow 2s ease-in-out infinite;
  opacity: 0.5;
  pointer-events: none;
}

@keyframes bounceArrow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

/* ===== FOOTER (minimal) ===== */
.site-footer {
  position: fixed;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  text-align: center;
}

.site-footer a {
  font-family: var(--font-body);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  opacity: 0.4;
  transition: opacity var(--transition-fast);
}

.site-footer a:hover {
  opacity: 0.8;
}

/* ===== ABOUT LINK on HOME ===== */
.home-about-link {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 11;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: opacity var(--transition-fast);
  background: none;
  border: none;
}

.home-about-link:hover {
  opacity: 0.6;
}

/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 768px) {
  .home {
    flex-direction: column;
  }

  .panel {
    flex: 1;
  }

  .panel:hover {
    flex: 1.2;
  }

  .panel__label {
    writing-mode: horizontal-tb;
    transform: none;
    top: 20px;
    bottom: auto;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
  }

  .panel__brand {
    display: none;
  }

  /* Brand overlay mobile */
  .brand-char {
    font-size: clamp(2rem, 10vw, 3.5rem);
  }

  .brand-tagline {
    font-size: 0.7rem;
    margin-top: 10px;
  }

  /* Category list view — mobile */
  .project-list {
    width: 100%;
    padding: 20px 20px 60px;
  }

  .preview-image {
    display: none;
  }

  .collapsed-panels {
    display: none;
  }

  /* Project page mobile */
  .gallery-image--centered img {
    width: 90%;
  }

  .gallery-image--full img {
    height: 50vh;
  }

  .gallery-image--pair {
    flex-direction: column;
    padding: 20px 5%;
    gap: 15px;
  }

  .gallery-image--pair img {
    width: 100%;
  }

  /* About mobile */
  .about-content {
    flex-direction: column;
    gap: 40px;
    padding: 40px 20px 60px;
  }

  .about-content__image {
    max-width: 100%;
  }

  .about-content__text {
    max-width: 100%;
  }

  .project-page__header {
    padding: 0 15px;
  }

  .project-page__subtitle {
    display: none;
  }

  .project-page__title {
    font-size: 11px;
  }
}

@media (max-width: 480px) {
  .panel__label {
    font-size: 10px;
  }

  .project-item__name {
    font-size: 12px;
  }

  .project-item__detail {
    font-size: 11px;
  }
}