/* ==========================================================================
   Design System & Variables
   ========================================================================== */
:root {
  --bg-primary: #FAF9F6;      /* Warm off-white */
  --bg-secondary: #F4F3EF;    /* Slightly darker warm tone */
  --bg-overlay: rgba(250, 249, 246, 0.98); /* Modal backing */
  
  --text-main: #1A1A1A;       /* Crisp charcoal, softer than pure black */
  --text-muted: #7A756E;      /* Warm grey for captions, labels */
  --text-light: #FFFFFF;
  
  --border-color: #E2DFD8;    /* Muted warm grey border line */
  --accent-color: #59544E;    /* Dark warm brown/grey */
  
  /* Fonts */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Transitions */
  --transition-smooth: all 0.8s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-fast: all 0.3s ease;
  
  /* Spacing */
  --space-unit: 1rem;
}

/* ==========================================================================
   Base Styles & Reset
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  font-weight: 300;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

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

/* Common Layout Elements */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 8rem 0;
  border-bottom: 1px solid var(--border-color);
}

.section-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.section-title-serif {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 3rem;
}

/* Custom Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  padding: 1rem 2.5rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
}

.btn-outline {
  border-color: var(--text-main);
  background: transparent;
  color: var(--text-main);
}

.btn-outline:hover {
  background: var(--text-main);
  color: var(--bg-primary);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 3rem;
  z-index: 100;
  mix-blend-mode: difference; /* Elegant, shifts text white over dark images */
  transition: var(--transition-fast);
}

/* When header is overlaying white page background, we want it black */
.site-header.scrolled {
  background-color: rgba(250, 249, 246, 0.95);
  mix-blend-mode: normal;
  padding: 1.2rem 3rem;
  border-bottom: 1px solid var(--border-color);
}

.logo {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.25em;
  color: #fff; /* In difference mode, this will render black on white backgrounds */
}

.site-header.scrolled .logo {
  color: var(--text-main);
}

.site-header.scrolled .logo a,
.logo a {
  color: inherit;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.main-nav a {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #fff; /* Difference mode */
  opacity: 0.85;
}

.site-header.scrolled .main-nav a {
  color: var(--text-main);
}

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

/* Nav toggle for mobile */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  z-index: 110;
}

.nav-toggle .line {
  display: block;
  width: 24px;
  height: 1px;
  background-color: #fff; /* Difference mode */
  transition: var(--transition-fast);
}

.site-header.scrolled .nav-toggle .line {
  background-color: var(--text-main);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  animation: slowZoomIn 3s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.2); /* Soft cinematic shading */
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  color: var(--text-light);
  max-width: 800px;
  padding: 0 2rem;
}

.hero-subtitle {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  margin-bottom: 1.5rem;
  opacity: 0.9;
  animation: fadeInUp 1.2s ease forwards;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 2.5rem;
  animation: fadeInUp 1.6s ease forwards;
}

.hero-content .btn {
  animation: fadeInUp 2s ease forwards;
}

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  height: 50px;
  width: 1px;
  overflow: hidden;
}

.scroll-line {
  display: block;
  width: 1px;
  height: 100%;
  background: rgba(255, 255, 255, 0.4);
  position: relative;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 15px;
  background: var(--text-light);
  animation: scrollDown 2s infinite ease-in-out;
}

/* ==========================================================================
   Philosophy Section
   ========================================================================== */
.philosophy-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.philosophy-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 300;
  line-height: 1.1;
}

.philosophy-text p {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  color: var(--text-main);
  margin-bottom: 2rem;
  font-weight: 300;
}

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

/* ==========================================================================
   Featured Stories Section
   ========================================================================== */
/* ==========================================================================
   Archive Section
   ========================================================================== */
.archive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
  gap: 6rem 4rem;
}

.archive-card {
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.archive-image-wrapper {
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  margin-bottom: 1.5rem;
  background-color: var(--bg-secondary);
}

.archive-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.archive-card:hover .archive-image {
  transform: scale(1.02);
}

.archive-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 2rem;
  font-family: var(--font-sans);
}

.archive-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 300;
  grid-column: 1 / -1;
  margin-bottom: 0.2rem;
}

.archive-location {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.archive-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
}

.archive-link {
  grid-column: 1 / -1;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 500;
  margin-top: 1rem;
  border-bottom: 1px solid transparent;
  width: max-content;
  transition: var(--transition-fast);
}

.archive-card:hover .archive-link {
  border-color: var(--text-main);
  padding-left: 5px;
}

/* ==========================================================================
   Portfolio Highlights
   ========================================================================== */
.portfolio-grid {
  column-count: 3;
  column-gap: 2.5rem;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  display: inline-block;
  width: 100%;
  break-inside: avoid;
  page-break-inside: avoid;
  margin-bottom: 3.5rem;
}

.portfolio-img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition-smooth);
  background-color: var(--bg-secondary);
}

.portfolio-item:hover .portfolio-img {
  transform: scale(1.015);
}

.portfolio-meta {
  margin-top: 0.8rem;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 6rem;
  align-items: center;
}

.about-image-wrapper {
  width: 100%;
  aspect-ratio: 4 / 5;
  background-color: var(--bg-secondary);
}

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

.about-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 300;
  margin-bottom: 2.5rem;
  line-height: 1.1;
}

.about-bio p {
  font-size: 1rem;
  margin-bottom: 1.8rem;
  color: var(--text-main);
  font-weight: 300;
}

.about-bio p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   Testimonials Section
   ========================================================================== */
.testimonials-section {
  text-align: center;
  background-color: var(--bg-secondary);
}

.testimonial-slider {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  min-height: 200px;
}

.testimonial-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.testimonial-slide.active {
  position: relative;
  opacity: 1;
  visibility: visible;
}

.testimonial-quote {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  line-height: 1.5;
  font-weight: 300;
  font-style: italic;
  margin-bottom: 2rem;
  color: var(--text-main);
}

.testimonial-author {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-muted);
}

.testimonial-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin-top: 3rem;
}

.control-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--text-main);
  transition: var(--transition-fast);
  padding: 0.5rem;
}

.control-btn:hover {
  transform: translateX(-3px);
}

.next-btn:hover {
  transform: translateX(3px);
}

.slide-indicator {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
}

.contact-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.contact-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 300;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.form-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.form-input {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-color);
  padding: 0.8rem 0;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-main);
  border-radius: 0;
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus {
  border-color: var(--text-main);
}

textarea.form-input {
  resize: none;
}

.btn-submit {
  align-self: flex-start;
  background: var(--text-main);
  color: var(--bg-primary);
  border-color: var(--text-main);
  padding: 1.2rem 3.5rem;
}

.btn-submit:hover {
  background: transparent;
  color: var(--text-main);
}

.form-message {
  display: none;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text-main);
  border-left: 2px solid var(--text-main);
  padding-left: 1rem;
  margin-top: 1rem;
  animation: fadeIn 0.5s ease forwards;
}

/* ==========================================================================
   Fullscreen Story Viewer (Modal)
   ========================================================================== */
.story-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-overlay);
  z-index: 1000;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s cubic-bezier(0.25, 1, 0.5, 1), visibility 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.story-modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-close-btn {
  position: fixed;
  top: 2rem;
  right: 3rem;
  background: none;
  border: none;
  font-size: 3rem;
  font-weight: 200;
  color: var(--text-main);
  cursor: pointer;
  z-index: 1010;
  line-height: 1;
}

.modal-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 8rem 2rem;
}

.modal-header-info {
  max-width: 700px;
  margin-bottom: 6rem;
}

.modal-meta-row {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.modal-location {
  display: inline-block;
}

.modal-divider {
  display: inline-block;
  opacity: 0.5;
}

.modal-date {
  display: inline-block;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.modal-description {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 300;
  max-width: 600px;
}

/* Photo Essay Layout inside Gallery */
.modal-gallery-grid {
  display: flex;
  flex-direction: column;
  gap: 8rem;
  margin-bottom: 6rem;
}

.modal-row {
  display: grid;
  gap: 4rem;
  align-items: center;
}

.modal-row-single-landscape {
  grid-template-columns: 1fr;
}

.modal-row-single-landscape .modal-image-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.modal-row-single-portrait {
  grid-template-columns: 1fr;
}

.modal-row-single-portrait .modal-image-wrapper {
  max-width: 580px;
  margin: 0 auto;
  width: 100%;
}

.modal-row-double-portrait,
.modal-row-double-landscape {
  grid-template-columns: 1fr 1fr;
}

.modal-row-triptych {
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2.5rem;
}

.modal-row-offset-portrait-landscape {
  grid-template-columns: 0.8fr 1.2fr;
}

.modal-row-offset-landscape-portrait {
  grid-template-columns: 1.2fr 0.8fr;
}

.modal-image-wrapper {
  position: relative;
  background-color: var(--bg-secondary);
}

.modal-img {
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 1.2s cubic-bezier(0.25, 1, 0.5, 1), transform 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

.modal-img.loaded {
  opacity: 1;
  transform: translateY(0);
}

.modal-caption {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-style: italic;
  color: var(--text-muted);
  margin-top: 1rem;
  text-align: right;
}

.modal-footer {
  text-align: center;
  border-top: 1px solid var(--border-color);
  padding-top: 6rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--bg-secondary);
  padding: 6rem 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 3rem;
}

.footer-brand {
  max-width: 350px;
}

.footer-logo {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.25em;
  color: var(--text-main);
  display: block;
  margin-bottom: 1rem;
}

.footer-tagline {
  line-height: 1.5;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.footer-design {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes slowZoomIn {
  from {
    transform: scale(1.05);
  }
  to {
    transform: scale(1.00);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes scrollDown {
  0% {
    transform: translateY(-100%);
  }
  50% {
    transform: translateY(100%);
  }
  100% {
    transform: translateY(300%);
  }
}

/* ==========================================================================
   Responsive Styles
   ========================================================================== */
@media (max-width: 1024px) {
  .section {
    padding: 6rem 0;
  }
  
  .philosophy-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  .portfolio-grid {
    column-count: 2;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  .site-header {
    padding: 1.5rem 2rem;
  }
  
  .site-header.scrolled {
    padding: 1rem 2rem;
  }
  
  /* Mobile Menu navigation drawer style */
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 105;
    transform: translateX(100%);
    transition: var(--transition-smooth);
    border-left: 1px solid var(--border-color);
  }
  
  .main-nav.active {
    transform: translateX(0);
  }
  
  .main-nav ul {
    flex-direction: column;
    align-items: center;
    gap: 3rem;
  }
  
  .main-nav a {
    color: var(--text-main) !important;
    font-size: 1.2rem;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  /* Toggle Active Animation */
  .nav-toggle.active .line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
    background-color: var(--text-main) !important;
  }
  
  .nav-toggle.active .line:nth-child(2) {
    transform: translateY(-0px) rotate(-45deg);
    background-color: var(--text-main) !important;
  }
  
  /* Hero typography */
  .hero-title {
    font-size: 2.5rem;
  }
  
  /* Stories layout */
  .archive-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  /* Portfolio layout */
  .portfolio-grid {
    column-count: 1;
  }
  
  .portfolio-item {
    margin-bottom: 3rem;
  }
  
  /* Form row elements stack */
  .form-row {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  /* Modal structure */
  .modal-row-double-portrait,
  .modal-row-double-landscape,
  .modal-row-triptych,
  .modal-row-offset-portrait-landscape,
  .modal-row-offset-landscape-portrait {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .modal-content {
    padding: 6rem 1.5rem;
  }
  
  .modal-close-btn {
    top: 1.5rem;
    right: 1.5rem;
    font-size: 2.5rem;
  }
  
  .footer-container {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .footer-meta {
    align-items: flex-start;
  }
}