/* ============================================
   Comet & Light Photography
   Stylesheet
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Color Palette - Muted Neutrals (WCAG AA compliant) */
  --color-cream: #FAF8F5;
  --color-beige: #F5F0EB;
  --color-taupe: #C9B8A8;
  --color-taupe-dark: #8A7668;
  --color-sage: #A8B5A0;
  --color-dusty-rose: #D4B5B0;
  --color-warm-gray: #6B5F54;
  --color-charcoal: #3D3D3D;
  --color-dark: #2A2A2A;

  /* Typography */
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'Albert Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 8rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-charcoal);
  background-color: var(--color-cream);
}

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

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

a:hover {
  color: var(--color-warm-gray);
}

ul {
  list-style: none;
}

/* ---------- Typography ---------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.3;
  color: var(--color-dark);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: 1rem;
}

.text-italic {
  font-style: italic;
}

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

.lead {
  font-size: 1.125rem;
  color: var(--color-warm-gray);
}

/* ---------- Layout Utilities ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-narrow {
  max-width: 800px;
}

.container-wide {
  max-width: 1400px;
}

.container-full {
  width: 100%;
  padding: 0 var(--space-lg);
}

@media (max-width: 640px) {
  .container-full {
    padding: 0 var(--space-md);
  }
}

.section {
  padding: var(--space-xl) 0;
}

.section-lg {
  padding: var(--space-2xl) 0;
}

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

.section-compact .divider {
  margin: var(--space-sm) auto var(--space-md);
}

.bg-beige {
  background-color: var(--color-beige);
}

.bg-taupe {
  background-color: var(--color-taupe);
}

.bg-sage {
  background-color: var(--color-sage);
}

/* ---------- Header & Navigation ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-cream);
  padding: var(--space-sm) 0;
  transition: box-shadow var(--transition-medium);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.logo img {
  height: 56px;
  margin: 8px 0 8px 0;
  width: auto;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.logo-text .ampersand {
  font-style: italic;
  font-size: 1.4em;
  margin: 0 0.1em;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-link {
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-charcoal);
  transition: width var(--transition-medium);
}

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

/* Mobile Navigation */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--color-charcoal);
  transition: var(--transition-fast);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--color-cream);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-lg);
    transition: right var(--transition-medium);
  }

  .nav.open {
    right: 0;
  }

  .nav-link {
    font-size: 1.25rem;
  }

  .nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 80px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
}

.hero-tagline {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.hero-tagline .italic {
  font-style: italic;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--color-warm-gray);
  margin-bottom: var(--space-md);
  max-width: 450px;
}

.hero-image {
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  z-index: 1;
  opacity: 0.5;
}

.hero-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(204, 187, 175, 0.55);
  pointer-events: none;
}

.hero-image .placeholder-image {
  height: 100%;
}

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

@media (max-width: 968px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 120px;
  }

  .hero-content {
    padding: var(--space-lg) var(--space-md);
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-image {
    position: relative;
    width: 100%;
    height: 50vh;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all var(--transition-medium);
}

.btn-primary {
  background-color: var(--color-beige);
  color: var(--color-charcoal);
}

.btn-primary:hover {
  background-color: var(--color-taupe);
  color: var(--color-dark);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--color-charcoal);
  color: var(--color-charcoal);
}

.btn-outline:hover {
  background-color: var(--color-charcoal);
  color: var(--color-cream);
}

.btn-group {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ---------- Placeholder Images ---------- */
.placeholder-image {
  background: linear-gradient(135deg, var(--color-beige) 0%, var(--color-taupe) 50%, var(--color-dusty-rose) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-warm-gray);
  font-size: 0.875rem;
  text-align: center;
  padding: var(--space-md);
}

.placeholder-image span {
  background-color: rgba(255, 255, 255, 0.7);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
}

/* ---------- Introduction Section ---------- */
.intro {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  align-items: start;
}

.intro-text {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1.8;
  color: var(--color-dark);
}

@media (max-width: 968px) {
  .intro {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-md);
  }
}

/* ---------- Session Cards ---------- */
.sessions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
}

a.session-card {
  text-decoration: none;
  color: inherit;
  display: block;
}

.session-card {
  background-color: white;
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.session-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.session-card-image {
  height: 250px;
  overflow: hidden;
}

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

.session-card-content {
  padding: var(--space-md);
}

.session-card-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.session-card-price {
  font-size: 1.125rem;
  color: var(--color-warm-gray);
  margin-bottom: var(--space-sm);
}

.session-card-details {
  font-size: 0.9rem;
  color: var(--color-warm-gray);
}

/* ---------- Session Detail ---------- */
.sessions-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.sessions-detail-grid .session-detail:only-child {
  grid-column: 1 / -1;
  max-width: 600px;
  margin: 0 auto;
}

@media (max-width: 1024px) {
  .sessions-detail-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .sessions-detail-grid {
    grid-template-columns: 1fr;
  }
}

.session-detail {
  background-color: white;
  padding: var(--space-md);
}

.session-detail-header {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-beige);
}

.session-detail-title {
  font-size: 1.75rem;
}

.session-detail-price {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-warm-gray);
}

.session-detail-list {
  margin-bottom: var(--space-sm);
}

.session-detail-list li {
  padding: var(--space-xs) 0;
  padding-left: 1.5rem;
  position: relative;
}

.session-detail-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background-color: var(--color-dusty-rose);
  border-radius: 50%;
}

.session-note {
  font-size: 0.875rem;
  font-style: italic;
  color: var(--color-warm-gray);
}

/* ---------- Session Shared Includes ---------- */
.session-shared-includes {
  max-width: 640px;
  margin: 0 auto var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  background-color: transparent;
  border-left: none;
}

.session-shared-includes h4 {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.session-shared-includes ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.session-shared-includes li {
  padding: var(--space-xs) 0;
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.925rem;
  color: var(--color-warm-gray);
}

.session-shared-includes li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  background-color: var(--color-dusty-rose);
  border-radius: 50%;
}

/* ---------- Session Detail Rows ---------- */
.session-detail-rows {
  display: flex;
  flex-direction: column;
}

.session-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-beige);
}

.session-detail-row:last-child {
  border-bottom: none;
}

.session-detail-label {
  font-size: 0.9rem;
  color: var(--color-warm-gray);
}

.session-detail-value {
  font-size: 0.9rem;
  font-weight: 500;
  text-align: right;
}

/* ---------- Gallery ---------- */
.gallery-full-width {
  padding: 0 var(--space-md);
}

.gallery-grid {
  margin: 0 -8px;
}

.gallery-sizer,
.gallery-item {
  width: 20%;
}

.gallery-item {
  padding: 8px;
  overflow: hidden;
}

.gallery-item a {
  display: block;
}

.gallery-item picture {
  display: block;
  width: 100%;
}

.gallery-item img,
.gallery-item .placeholder-image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-medium);
}

.gallery-item:hover img,
.gallery-item:hover .placeholder-image {
  transform: scale(1.05);
}

/* ---------- About Page ---------- */
.about-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
  padding-top: 120px;
}

.about-image {
  height: 600px;
}

@media (max-width: 968px) {
  .about-hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-image {
    height: 400px;
    order: -1;
  }
}

.expect-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  max-width: 1400px;
  margin: 0 auto;
}

@media (max-width: 968px) {
  .expect-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .expect-grid {
    grid-template-columns: 1fr;
  }
}

.expect-item {
  padding: var(--space-sm);
}

.expect-icon {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
}

.expect-item h4 {
  margin-bottom: var(--space-sm);
}

/* ---------- Contact Page ---------- */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact-info h2 {
  margin-bottom: var(--space-md);
}

.contact-email {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 500;
  display: inline-block;
  margin: var(--space-md) 0;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--color-charcoal);
}

.contact-email:hover {
  border-bottom-color: var(--color-warm-gray);
}

.contact-image {
  height: 500px;
}

@media (max-width: 768px) {
  .contact-content {
    grid-template-columns: 1fr;
  }

  .contact-image {
    height: 300px;
  }
}

/* ---------- Footer ---------- */
.footer {
  background-color: var(--color-beige);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer-logo .ampersand {
  font-style: italic;
}

.footer-nav {
  display: flex;
  gap: var(--space-md);
}

.footer-nav a {
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}

.footer-bottom {
  text-align: center;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  font-size: 0.8rem;
  color: var(--color-warm-gray);
}

@media (max-width: 768px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ---------- Page Header ---------- */
.page-header {
  padding-top: 140px;
  padding-bottom: var(--space-lg);
  text-align: center;
}

.page-header h1 {
  margin-bottom: var(--space-sm);
}

.page-header .lead {
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- CTA Section ---------- */
.cta-section {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
}

.cta-section h2 {
  margin-bottom: var(--space-sm);
}

.cta-section p {
  max-width: 500px;
  margin: 0 auto var(--space-md);
  color: var(--color-warm-gray);
}

/* ---------- Divider ---------- */
.divider {
  width: 60px;
  height: 1px;
  background-color: var(--color-taupe);
  margin: var(--space-md) auto;
}

/* ---------- Session Category ---------- */
.session-category {
  margin-bottom: var(--space-xl);
}

.session-category-title {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.session-category-title h2 {
  margin-bottom: var(--space-xs);
}

.session-category-title p {
  color: var(--color-warm-gray);
}

.session-category-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
  max-width: 1000px;
  margin: 0 auto var(--space-lg);
}

@media (max-width: 768px) {
  .session-category-intro {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

.session-category-intro .session-category-image {
  margin: 0;
}

.session-category-intro .session-shared-includes {
  max-width: none;
  margin: 0;
}

.session-category-image {
  overflow: hidden;
}

.session-category-image img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  object-position: center top;
}

@media (max-width: 768px) {
  .session-category-image img {
    height: 300px;
  }
}

.session-detail-image {
  overflow: hidden;
  margin: calc(-1 * var(--space-md)) calc(-1 * var(--space-md)) var(--space-md);
}

.session-detail-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  object-position: center top;
}