/* ============================================
   Reset
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================
   Custom Properties
   ============================================ */
:root {
  /* Colors */
  --black: #000000;
  --off-black: #1A1A1A;
  --charcoal: #2B2D2A;
  --moss-gray: #7A7D6A;
  --sage: #C4C5B2;
  --cream: #F5F2ED;
  --white: #FFFFFF;
  --forest: #2D5A3D;
  --forest-light: #3A7A52;
  --sienna: #B5593A;

  /* Typography */
  --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;

  /* Layout */
  --nav-height: 60px;
  --max-width: 1200px;
}

/* ============================================
   Typography
   ============================================ */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--charcoal);
  background-color: var(--white);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.25rem; }

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  padding: 0 var(--space-lg);
  background-color: var(--white);
  border-bottom: 1px solid var(--sage);
}

.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo-img {
  height: 52px;
  width: auto;
  filter: invert(1);
}

.nav__links {
  display: flex;
  gap: var(--space-lg);
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--moss-gray);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
}

.nav__hamburger-line {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--charcoal);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav__hamburger--open .nav__hamburger-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav__hamburger--open .nav__hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav__hamburger--open .nav__hamburger-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.nav__link:hover {
  color: var(--black);
}

.nav__link--active {
  color: var(--black);
  border-bottom: 1px solid var(--black);
  padding-bottom: 2px;
}

.nav__link:active {
  color: var(--charcoal);
}

.gallery__search {
  margin-bottom: var(--space-lg);
}

.gallery__search-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--charcoal);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--sage);
  border-radius: 0;
  outline: none;
  transition: border-color 0.2s ease;
}

.gallery__search-input:focus {
  border-bottom-color: var(--charcoal);
}

.gallery__search-input::placeholder {
  color: var(--moss-gray);
}

/* ============================================
   Gallery — Album Grid
   ============================================ */
.gallery {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}



.gallery__no-results {
  display: none;
  text-align: center;
  color: var(--moss-gray);
  font-size: 0.9rem;
  padding: var(--space-xl) 0;
}

.gallery__no-results--visible {
  display: block;
}

.album-card--hidden {
  display: none;
}

.album-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.album-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border-radius: 2px;
  background-color: #EDEFEB;
}

.album-card__image-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 66.67%; /* 3:2 aspect ratio */
  overflow: hidden;
}

.album-card__image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.album-card:hover .album-card__image {
  transform: scale(1.03);
}

.album-card:active {
  transform: scale(0.98);
  transition: transform 0.1s ease;
}

.album-card__info {
  padding: var(--space-sm) var(--space-sm) var(--space-sm);
}

.album-card__title {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.album-card__description {
  font-size: 0.7rem;
  color: var(--moss-gray);
  min-height: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.album-card__description--skeleton {
  width: 60%;
  height: 0.85rem;
  background: linear-gradient(90deg, var(--cream) 25%, var(--sage) 50%, var(--cream) 75%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
  border-radius: 2px;
}

@keyframes skeleton-pulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.album-card__count {
  display: block;
  font-size: 0.65rem;
  color: var(--sage);
  margin-top: 2px;
  letter-spacing: 0.05em;
}

/* ============================================
   Lightbox
   ============================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background-color: rgba(0, 0, 0, 0.92);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox--open {
  opacity: 1;
  visibility: visible;
}

.lightbox__body {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.lightbox__image-container {
  position: relative;
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.lightbox__image {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox__image--loaded {
  opacity: 1;
}

.lightbox__caption {
  margin-top: var(--space-md);
  text-align: center;
  color: var(--sage);
  font-size: 0.85rem;
  font-family: var(--font-sans);
}

.lightbox__info {
  max-width: 700px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg) var(--space-2xl);
  text-align: center;
}

.lightbox__info:empty {
  display: none;
}

.lightbox__info-title {
  font-family: var(--font-sans);
  font-size: 1.75rem;
  font-weight: 400;
  color: var(--white);
  margin-bottom: var(--space-xs);
}

.lightbox__info-title:empty {
  display: none;
}

.lightbox__info-date {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--sage);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}

.lightbox__info-date:empty {
  display: none;
}

.lightbox__info-description {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
}

.lightbox__info-description:empty {
  display: none;
}

.lightbox__close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  color: var(--white);
  font-size: 1.5rem;
  z-index: 1002;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: opacity 0.2s ease, transform 0.15s ease;
}

.lightbox__close:hover {
  opacity: 1;
}

.lightbox__close:active {
  transform: scale(0.9);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--white);
  font-size: 2rem;
  z-index: 1002;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: opacity 0.2s ease, transform 0.15s ease;
}

.lightbox__nav:hover {
  opacity: 1;
}

.lightbox__nav:active {
  transform: translateY(-50%) scale(0.9);
}

.lightbox__nav--prev {
  left: var(--space-lg);
  transition: opacity 0.3s ease, transform 0.15s ease;
}

.lightbox__nav--next {
  right: var(--space-lg);
}

.lightbox__counter {
  position: absolute;
  top: var(--space-lg);
  left: var(--space-lg);
  color: var(--sage);
  font-size: 0.85rem;
  font-family: var(--font-sans);
  z-index: 1002;
  transition: opacity 0.3s ease;
}

/* Hide prev arrow, counter, and info section when interstitial is covering them */
.lightbox--has-interstitial .lightbox__nav--prev,
.lightbox--has-interstitial .lightbox__counter {
  opacity: 0;
  pointer-events: none;
}

.lightbox--has-interstitial .lightbox__info {
  opacity: 0;
  transition: opacity 0.4s ease;
}

.lightbox__info {
  transition: opacity 0.4s ease;
}

/* ============================================
   Interstitial — Album Intro (Left Half-Mask)
   ============================================ */
.interstitial {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 50%;
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.75);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.interstitial--open {
  opacity: 1;
  visibility: visible;
}

.interstitial__content {
  position: relative;
  width: 80%;
  max-width: 400px;
  text-align: left;
  padding: var(--space-xl);
}

.interstitial__title,
.interstitial__subtitle,
.interstitial__description,
.interstitial__audio {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.interstitial--open .interstitial__title {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.1s;
}

.interstitial--open .interstitial__subtitle {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.2s;
}

.interstitial--open .interstitial__description {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.3s;
}

.interstitial--open .interstitial__audio {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.4s;
}

.interstitial__title {
  font-family: var(--font-sans);
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--white);
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.interstitial__subtitle {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--sage);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.interstitial__subtitle:empty {
  display: none;
}

.interstitial__description {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
  margin-top: var(--space-md);
}

.interstitial__description:empty {
  display: none;
}

.interstitial__read-more {
  display: inline-block;
  margin-top: var(--space-md);
  font-size: 0.8rem;
  color: var(--sage);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease, color 0.2s ease;
}

.interstitial--open .interstitial__read-more {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.35s;
}

.interstitial__read-more:hover {
  color: var(--white);
}

.interstitial__read-more--hidden {
  display: none;
}

.interstitial__audio {
  margin-top: var(--space-lg);
}

.interstitial__audio:empty {
  display: none;
}

.interstitial__audio iframe {
  border-radius: 12px;
  width: 100%;
  max-width: 300px;
}

/* ============================================
   Home — Hero
   ============================================ */
.hero {
  position: relative;
  width: 100%;
  height: 80vh;
  overflow: hidden;
  cursor: pointer;
}

.hero:hover .hero__overlay {
  background: linear-gradient(
    to bottom,
    transparent 40%,
    rgba(0, 0, 0, 0.4) 100%
  );
}

.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.6s ease;
}

.hero__image--active {
  opacity: 1;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to bottom,
    transparent 50%,
    rgba(0, 0, 0, 0.3) 100%
  );
  transition: background 0.4s ease;
}

.hero__text {
  position: absolute;
  bottom: var(--space-2xl);
  right: var(--space-lg);
  z-index: 2;
}

.hero__logo {
  width: 340px;
  height: auto;
}

/* ============================================
   Home — Horizontal Scroll
   ============================================ */
.h-scroll {
  position: relative;
  padding: var(--space-xl) 0;
  overflow: hidden;
}

.h-scroll__track {
  display: flex;
  gap: var(--space-md);
  overflow-x: scroll;
  overflow-y: hidden;
  scroll-behavior: smooth;
  padding: 0 var(--space-lg);
  -ms-overflow-style: none;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.h-scroll__track::-webkit-scrollbar {
  display: none;
}

.h-scroll__nav--hidden {
  opacity: 0;
  pointer-events: none;
}

.h-scroll__item {
  position: relative;
  flex: 0 0 auto;
  width: 55vw;
  height: 50vh;
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.h-scroll__item:active {
  transform: scale(0.98);
}

.h-scroll__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.h-scroll__item:hover .h-scroll__image {
  transform: scale(1.02);
}

.h-scroll__label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg) var(--space-md);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.55) 0%, transparent 100%);
  pointer-events: none;
}

.h-scroll__label-title {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--white);
  letter-spacing: 0.03em;
}

.h-scroll__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--white);
  background: rgba(0, 0, 0, 0.35);
  border-radius: 50%;
  opacity: 0.8;
  transition: opacity 0.2s ease, background 0.2s ease, transform 0.15s ease;
}

.h-scroll__nav:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.55);
}

.h-scroll__nav:active {
  transform: translateY(-50%) scale(0.9);
}

.h-scroll__nav--prev {
  left: var(--space-md);
}

.h-scroll__nav--next {
  right: var(--space-md);
}

/* ============================================
   Home — Photo Grid
   ============================================ */
.photo-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.photo-grid__container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.photo-grid__item {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  aspect-ratio: 1 / 1;
}

.photo-grid__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.photo-grid__item:hover .photo-grid__image {
  transform: scale(1.05);
}

/* ============================================
   Info Page
   ============================================ */
.info {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

.info__bio {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.info__photo-wrapper {
  border-radius: 2px;
  overflow: hidden;
}

.info__photo {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.info__text h2 {
  margin-bottom: var(--space-md);
  color: var(--black);
}

.info__subheader {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--moss-gray);
  margin-bottom: var(--space-md);
}

.info__subheader:empty {
  display: none;
}

.info__text p {
  color: var(--charcoal);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.info__contact {
  margin-top: var(--space-xl);
  font-size: 0.9rem;
  color: var(--moss-gray);
}

.info__contact:empty {
  display: none;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  .nav {
    height: 48px;
    flex-wrap: wrap;
  }

  .nav__logo-img {
    height: 40px;
  }

  .nav__hamburger {
    display: flex;
    order: 2;
  }

  .nav__links {
    order: 3;
    width: 100%;
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--white);
    border-top: 1px solid transparent;
  }

  .nav__links--open {
    max-height: 200px;
    border-top-color: var(--sage);
  }

  .nav__link {
    display: block;
    padding: var(--space-sm) var(--space-lg);
    border-bottom: none;
  }

  .nav__link--active {
    border-bottom: none;
    padding-bottom: var(--space-sm);
    font-weight: 500;
  }

  .album-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
  }

  .album-card {
    border-radius: 0;
    background-color: var(--black);
  }

  .album-card__image-wrapper {
    padding-bottom: 100%; /* square */
  }

  .album-card__info {
    display: none;
  }

  .h-scroll__item {
    width: 75vw;
    height: 25vh;
  }

  .h-scroll__track {
    gap: var(--space-sm);
    padding: 0 var(--space-md);
  }

  .h-scroll {
    padding: var(--space-lg) 0;
  }

  .photo-grid__container {
    grid-template-columns: repeat(2, 1fr);
  }

  .info__bio {
    grid-template-columns: 1fr;
  }

  .hero__logo {
    width: 240px;
  }

  .hero {
    height: 60vh;
  }

  .lightbox__nav--prev {
    left: var(--space-sm);
  }

  .lightbox__nav--next {
    right: var(--space-sm);
  }

  .interstitial {
    width: 60%;
  }

  .interstitial__title {
    font-size: 1.5rem;
  }

  .interstitial__subtitle {
    font-size: 0.65rem;
    letter-spacing: 0.08em;
  }

  .interstitial__description {
    font-size: 0.75rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .interstitial__content {
    padding: var(--space-md);
  }

  .lightbox__info {
    padding: var(--space-lg) var(--space-md) var(--space-2xl);
  }

  .gallery__search {
    max-width: 60%;
    margin-left: auto;
    margin-right: auto;
  }

  .gallery__search-input {
    font-size: 0.75rem;
    padding: 6px 10px;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.5rem; }

  .nav {
    padding: 0 var(--space-md);
  }

  .nav__links {
    gap: var(--space-md);
  }

  .nav__link {
    font-size: 0.75rem;
  }

  .photo-grid__container {
    grid-template-columns: 1fr;
  }

  .hero {
    height: 50vh;
  }

  .hero__logo {
    width: 180px;
  }

  .gallery {
    padding: var(--space-lg) 0 0;
  }

  .interstitial {
    width: 55%;
  }

  .interstitial__title {
    font-size: 1.25rem;
  }

  .interstitial__subtitle {
    font-size: 0.6rem;
  }

  .interstitial__description {
    font-size: 0.7rem;
    -webkit-line-clamp: 2;
  }

  .interstitial__content {
    padding: var(--space-sm) var(--space-md);
    width: 90%;
  }
}

/* ============================================
   Footer
   ============================================ */
.footer {
  padding: var(--space-md) var(--space-lg);
  text-align: center;
  border-top: 1px solid var(--sage);
  margin-top: var(--space-lg);
}

.footer__text {
  font-size: 0.75rem;
  color: var(--moss-gray);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ============================================
   Utility: prevent body scroll (for lightbox)
   ============================================ */
body.no-scroll {
  overflow: hidden;
}

/* ============================================
   Focus-visible — keyboard accessibility
   ============================================ */
*:focus {
  outline: none;
}

*:focus-visible {
  outline: 2px solid var(--forest);
  outline-offset: 2px;
}

.lightbox *:focus-visible,
.interstitial *:focus-visible {
  outline-color: var(--sage);
}

.gallery__search-input:focus-visible {
  outline: none;
}

.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;
}