/* =========================================
   STRANGER TO THE HOUSE
   A Photo Essay on Photography and Proust
   ========================================= */

/* -----------------------------------------
   COLOR PALETTE (from lichen reference)
   ----------------------------------------- */
:root {
  /* Page & Section Backgrounds */
  --color-page-bg: rgb(58, 62, 65);
  --color-content-light: rgb(223, 221, 211);
  --color-content-dark: rgb(38, 40, 42);
  --color-gallery-bg: rgb(78, 82, 85);

  /* Accent Colors */
  --color-accent: rgb(218, 165, 32);
  --color-accent-bright: rgb(242, 183, 55);

  /* Text Colors */
  --color-text-primary: rgb(0, 0, 0);
  --color-text-light: rgb(255, 255, 255);
  --color-text-muted: rgb(120, 120, 115);

  /* Typography */
  --font-primary: 'Poppins', sans-serif;

  /* Spacing */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;
  --space-8: 128px;

  /* Layout */
  --max-width: 1400px;
  --inset-padding: 48px;
  --gallery-gap: 16px;
}

/* -----------------------------------------
   RESET & BASE
   ----------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.87;
  color: var(--color-text-primary);
  background-color: var(--color-page-bg);
}

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

a {
  color: inherit;
  text-decoration: underline;
}

/* -----------------------------------------
   TYPOGRAPHY
   ----------------------------------------- */
h1 {
  font-size: 84px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
}

h3 {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-accent);
}

.section-title {
  font-size: 22px;
  font-weight: 300;
  text-align: center;
  margin-bottom: var(--space-2);
}

.section-subtitle {
  font-size: 17px;
  font-weight: 300;
  text-align: center;
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.divider {
  text-align: center;
  font-size: 17px;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  margin: var(--space-5) 0;
}

/* -----------------------------------------
   LAYOUT UTILITIES
   ----------------------------------------- */
.inset {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--inset-padding);
  padding-right: var(--inset-padding);
}

.full-bleed {
  width: 100%;
}

/* -----------------------------------------
   SITE HEADER
   ----------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-accent);
  transition: background-color 0.3s ease;
}

.site-header.scrolled {
  background: var(--color-accent);
}

.site-title-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-title {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgb(61, 122, 122); /* verdigris from main site */
  text-decoration: none;
}

.site-title:hover {
  color: rgb(45, 95, 95); /* verdigris-dark */
}

.site-subtitle {
  font-size: 12px;
  font-weight: 300;
  color: var(--color-text-primary);
  opacity: 0.7;
}

.site-nav {
  display: flex;
  gap: var(--space-3);
}

.site-nav a {
  font-size: 15px;
  font-weight: 300;
  color: var(--color-text-primary);
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.2s ease;
}

.site-nav a:hover {
  opacity: 1;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 24px;
  cursor: pointer;
}

/* -----------------------------------------
   NAVBAR (Section Navigation)
   ----------------------------------------- */
.navbar {
  background: var(--color-content-dark);
  padding: var(--space-3) 0;
}

.navbar-inner {
  text-align: center;
}

.navbar a {
  color: var(--color-accent);
  text-decoration: underline;
  font-size: 17px;
  font-weight: 300;
  transition: color 0.2s ease;
}

.navbar a:hover {
  color: var(--color-accent-bright);
}

.navbar-separator {
  color: var(--color-text-light);
  margin: 0 var(--space-2);
  opacity: 0.5;
}

/* -----------------------------------------
   HERO CARD
   ----------------------------------------- */
.hero-card {
  background: var(--color-accent);
  padding: 127px var(--inset-padding) 42px;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 45% 1fr;
  gap: var(--space-6);
  align-items: center;
}

.hero-image {
  aspect-ratio: 4/3;
  background: var(--color-gallery-bg);
  overflow: hidden;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-image.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 14px;
}

.hero-content h1 {
  margin-bottom: var(--space-3);
}

.hero-content .subtitle {
  font-size: 20px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.hero-content .subtitle em {
  font-style: italic;
}

/* -----------------------------------------
   SECTION INTRO (Full-bleed with bg image)
   ----------------------------------------- */
.section-intro {
  position: relative;
  min-height: 65vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-7) var(--space-4);
}

.section-intro-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.section-intro-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-content-dark);
  opacity: 0.6;
}

.section-intro-bg.placeholder {
  background: var(--color-content-dark);
}

.section-intro-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.section-intro h3 {
  margin-bottom: var(--space-3);
}

.section-intro p {
  font-size: 18px;
  line-height: 1.8;
  color: var(--color-text-light);
  opacity: 0.9;
}

/* -----------------------------------------
   ESSAY TEXT SECTIONS
   ----------------------------------------- */
.essay-text {
  background: var(--color-content-light);
  padding: var(--space-6) 0;
}

.essay-text-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.essay-text p {
  margin-bottom: var(--space-3);
}

.essay-text p:last-child {
  margin-bottom: 0;
}

.essay-text a {
  color: var(--color-text-primary);
  text-decoration: underline;
}

.essay-text a:hover {
  color: var(--color-accent);
}

/* Inline images within essay text */
.inline-image {
  margin: var(--space-5) 0;
}

.inline-image img {
  width: 100%;
}

.inline-image.placeholder {
  aspect-ratio: 16/9;
  background: var(--color-gallery-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 14px;
}

.inline-image figcaption {
  font-size: 15px;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-2);
  font-style: italic;
}

/* Three-column image comparison */
.image-comparison {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin: var(--space-5) 0;
}

.image-comparison figure {
  text-align: center;
}

.image-comparison img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--color-gallery-bg);
}

.image-comparison figcaption {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* -----------------------------------------
   PHOTO GALLERY (Masonry style from main site)
   ----------------------------------------- */
.photo-gallery {
  padding: var(--space-5) var(--space-3);
  background: var(--color-accent);
}

.photo-gallery.bg-gray {
  background: var(--color-gallery-bg);
}

.gallery-label {
  text-align: center;
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

.photo-gallery.bg-gray .gallery-label {
  color: var(--color-text-light);
  opacity: 0.7;
}

.photo-grid {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
}

.photo-item {
  position: absolute;
  transition: transform 0.2s ease, opacity 0.3s ease;
}

.photo-item img {
  width: 100%;
  display: block;
  cursor: pointer;
}

.photo-item.placeholder {
  background: var(--color-content-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 12px;
}

/* -----------------------------------------
   LIGHTBOX (matching main site style)
   ----------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(38, 40, 42, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  z-index: 1000;
  cursor: pointer;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: 85vw;
  max-height: 85vh;
  object-fit: contain;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  cursor: default;
}

.lightbox-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  color: var(--color-text-light);
  font-family: var(--font-primary);
  font-size: 1rem;
  letter-spacing: 0.1em;
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.lightbox-close:hover {
  opacity: 1;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: 3rem;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.2s ease;
  padding: var(--space-3);
  line-height: 1;
  user-select: none;
}

.lightbox-nav:hover {
  opacity: 1;
}

.lightbox-prev {
  left: var(--space-2);
}

.lightbox-next {
  right: var(--space-2);
}

.lightbox-caption {
  position: absolute;
  bottom: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-light);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  opacity: 0.7;
  text-align: center;
  max-width: 600px;
}

.lightbox-caption:empty {
  display: none;
}

/* -----------------------------------------
   NOTES & WORKS CITED PAGES
   ----------------------------------------- */
.page-content {
  background: var(--color-content-light);
  min-height: 100vh;
  padding: 120px 0 var(--space-7);
}

.page-content-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.page-content h1 {
  font-size: 48px;
  margin-bottom: var(--space-5);
  color: var(--color-text-primary);
}

.page-content p {
  margin-bottom: var(--space-3);
}

.page-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-3);
  margin: var(--space-4) 0;
  font-style: italic;
  color: var(--color-text-muted);
}

.page-content a {
  color: var(--color-text-primary);
}

.page-content a:hover {
  color: var(--color-accent);
}

/* Works Cited specific */
.works-cited-list {
  list-style: none;
}

.works-cited-list li {
  margin-bottom: var(--space-3);
  padding-left: 2em;
  text-indent: -2em;
}

/* Back link */
.back-link {
  display: inline-block;
  margin-bottom: var(--space-4);
  font-size: 15px;
  color: var(--color-accent);
}

.back-link:hover {
  color: var(--color-accent-bright);
}

/* -----------------------------------------
   ENDNOTES
   ----------------------------------------- */
.endnote-ref {
  font-size: 0.75em;
  vertical-align: super;
  line-height: 0;
  color: var(--color-accent);
  text-decoration: none;
  margin-left: 1px;
}

.endnote-ref:hover {
  color: var(--color-accent-bright);
  text-decoration: underline;
}

.endnotes {
  list-style-position: outside;
  padding-left: 2em;
}

.endnotes li {
  margin-bottom: var(--space-3);
  padding-left: 0.5em;
}

.endnotes li:target {
  background: rgba(218, 165, 32, 0.15);
  padding: var(--space-2);
  margin-left: -var(--space-2);
  border-radius: 4px;
}

.back-to-text {
  font-size: 0.85em;
  color: var(--color-accent);
  text-decoration: none;
  margin-left: 0.5em;
}

.back-to-text:hover {
  text-decoration: underline;
}

/* -----------------------------------------
   FOOTER
   ----------------------------------------- */
.site-footer {
  background: var(--color-content-dark);
  padding: var(--space-4);
  text-align: center;
}

.site-footer p {
  color: var(--color-text-light);
  opacity: 0.6;
  font-size: 14px;
}

.site-footer a {
  color: var(--color-accent);
}

/* -----------------------------------------
   RESPONSIVE
   ----------------------------------------- */
@media (max-width: 1200px) {
  /* Masonry handled by JS */
}

@media (max-width: 1024px) {
  :root {
    --inset-padding: 32px;
  }

  h1 {
    font-size: 64px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .hero-image {
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  :root {
    --inset-padding: 24px;
  }

  h1 {
    font-size: 48px;
  }

  h3 {
    font-size: 28px;
  }

  body {
    font-size: 16px;
  }

  .site-nav {
    display: none;
  }

  .site-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-accent);
    padding: var(--space-3);
  }

  .site-subtitle {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .hero-card {
    padding: 100px var(--inset-padding) 32px;
  }

  .image-comparison {
    grid-template-columns: 1fr;
  }

  .navbar a {
    font-size: 15px;
  }

  .navbar-separator {
    margin: 0 var(--space-1);
  }

  .section-intro {
    min-height: 50vh;
  }

  .lightbox-nav {
    font-size: 2rem;
    padding: var(--space-2);
  }

  .photo-gallery {
    padding: var(--space-4) var(--space-2);
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 36px;
  }

  h3 {
    font-size: 24px;
  }

  .site-title {
    font-size: 14px;
  }

  .navbar-inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
  }

  .navbar-separator {
    display: none;
  }

  .navbar a {
    display: block;
    padding: var(--space-1) 0;
  }

  .lightbox-nav {
    font-size: 1.5rem;
  }
}