/* FOS PHOTOGRAPHY — Premium Editorial Portfolio Stylesheet */
:root {
  --bg-primary: #F3F0E9;
  --bg-dark: #161616;
  --bg-dark-card: #202020;
  --bg-surface: #FFFFFF;
  --text-primary: #202020;
  --text-muted: #666666;
  --text-light: #F3F0E9;
  --text-light-muted: #999999;
  --accent: #6B7562;
  --accent-light: #8E9885;
  --border-light: rgba(0, 0, 0, 0.08);
  --border-dark: rgba(255, 255, 255, 0.12);
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: Arial, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "Courier New", Courier, monospace;
  --container-max: 1200px;
  --header-height: 80px;
  --transition: all 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 10px;
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 8px 16px;
  z-index: 1000;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 10px;
}

/* Accessibility Focus */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: normal;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.8rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.6rem);
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1.25rem;
}

.mono-caption {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Section Common */
section {
  padding: 96px 0;
  scroll-margin-top: var(--header-height);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  min-width: 48px;
  padding: 12px 28px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--bg-dark);
  color: var(--text-light);
  border-color: var(--bg-dark);
}
.btn-primary:hover {
  background-color: #333333;
  border-color: #333333;
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--text-primary);
}
.btn-secondary:hover {
  background-color: var(--text-primary);
  color: var(--text-light);
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  background: rgba(243, 240, 233, 0.95);
  backdrop-filter: blur(8px);
  z-index: 100;
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo {
  width: 32px;
  height: 32px;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: normal;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.badge-demo {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 6px;
  background: rgba(107, 117, 98, 0.15);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 2px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-primary);
  text-decoration: none;
  position: relative;
  transition: var(--transition);
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent);
  transition: var(--transition);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: flex-end;
  padding: 60px 0 100px;
  background-color: var(--bg-dark);
  color: var(--text-light);
  overflow: hidden;
}

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

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.75;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(22, 22, 22, 0.4) 0%, rgba(22, 22, 22, 0.92) 85%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 780px;
}

.hero-brand-watermark {
  font-family: var(--font-display);
  font-size: clamp(4rem, 15vw, 10rem);
  letter-spacing: 0.15em;
  color: rgba(243, 240, 233, 0.08);
  line-height: 0.8;
  margin-bottom: -15px;
  pointer-events: none;
  user-select: none;
}

.hero-title {
  color: var(--text-light);
  margin-bottom: 20px;
}

.hero-lead {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--text-light-muted);
  margin-bottom: 36px;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-actions .btn-primary {
  background-color: var(--text-light);
  color: var(--bg-dark);
  border-color: var(--text-light);
}
.hero-actions .btn-primary:hover {
  background-color: #FFFFFF;
}

.hero-actions .btn-secondary {
  color: var(--text-light);
  border-color: rgba(243, 240, 233, 0.4);
}
.hero-actions .btn-secondary:hover {
  border-color: var(--text-light);
  background-color: rgba(243, 240, 233, 0.1);
}

/* Work Gallery Section */
.work-section {
  background-color: var(--bg-primary);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.filter-bar {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border-light);
  padding: 8px 20px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
}

.filter-btn:hover {
  border-color: var(--text-primary);
}

.filter-btn[aria-pressed="true"] {
  background-color: var(--bg-dark);
  color: var(--text-light);
  border-color: var(--bg-dark);
}

.count-badge {
  font-size: 0.72rem;
  opacity: 0.7;
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.gallery-item {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
}

.gallery-thumb-link {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: #e5e0d4;
  cursor: pointer;
}

.gallery-item.portrait .gallery-thumb-link {
  aspect-ratio: 3 / 4;
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover .gallery-img {
  transform: scale(1.03);
}

.gallery-meta {
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-top: 1px solid var(--border-light);
  background: var(--bg-surface);
}

.gallery-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--text-primary);
}

/* Featured Diptych Section */
.featured-section {
  background-color: var(--bg-dark);
  color: var(--text-light);
}

.diptych-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 48px;
}

.diptych-card {
  position: relative;
  background: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  padding: 24px;
}

.diptych-img-wrap {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  margin-bottom: 20px;
}

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

/* About / Approach Section */
.about-section {
  background-color: var(--bg-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: center;
}

.about-statement {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.3;
  color: var(--text-primary);
}

.about-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #3a3a3a;
}

/* Services / Editorial Columns */
.services-section {
  background-color: #EAE6DE;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin-top: 48px;
}

.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  padding: 40px 32px;
  position: relative;
}

.service-num {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: 16px;
}

/* Contact Section & Demo Form */
.contact-section {
  background-color: var(--bg-primary);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
}

.form-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  padding: 40px;
}

.demo-banner {
  background: rgba(107, 117, 98, 0.12);
  border-left: 3px solid var(--accent);
  padding: 12px 16px;
  margin-bottom: 24px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #3b4236;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-light);
  background: var(--bg-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  transition: border-color 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
}

.form-feedback {
  margin-top: 20px;
  padding: 16px;
  background: #E8EFE8;
  border: 1px solid var(--accent);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #2e3e2b;
  display: none;
}

/* FAQ Box */
.faq-box {
  margin-top: 36px;
  border-top: 1px solid var(--border-light);
  padding-top: 24px;
}

.faq-item {
  margin-bottom: 20px;
}

.faq-q {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.faq-a {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 64px 0 32px;
  border-top: 1px solid var(--border-dark);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 32px;
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-dark);
}

.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  color: var(--text-light-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--text-light);
}

.footer-disclaimer {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-light-muted);
  max-width: 800px;
  margin-bottom: 32px;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #777777;
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(14, 14, 14, 0.96);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.lightbox-modal[aria-hidden="false"] {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 1000px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-caption {
  margin-top: 16px;
  color: var(--text-light);
  font-family: var(--font-display);
  font-size: 1.1rem;
  text-align: center;
}

.lightbox-desc {
  color: var(--text-light-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-top: 4px;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-light);
  border: none;
  cursor: pointer;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  transition: var(--transition);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lightbox-close {
  top: 20px;
  right: 20px;
}

.lightbox-prev {
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
}

/* Mobile Responsiveness */
@media (max-width: 991px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .diptych-grid,
  .about-grid,
  .contact-layout,
  .services-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--bg-primary);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border-light);
    gap: 16px;
  }
  .site-nav.active {
    display: flex;
  }
  .nav-toggle {
    display: block;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  section {
    padding: 64px 0;
  }
  .lightbox-prev {
    left: 10px;
  }
  .lightbox-next {
    right: 10px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}