/* ===================================
   Artist Portfolio - Main Stylesheet
   Clean, minimal design for artwork
   =================================== */

/* CSS Variables for easy customization */
:root {
  --primary-color: #1a1a1a;
  --secondary-color: #666666;
  --background-color: #ffffff;
  --accent-color: #333333;
  --text-color: #1a1a1a;
  --light-gray: #f5f5f5;
  --border-color: #e0e0e0;

  --font-primary: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-small: 14px;
  --font-size-large: 18px;
  --font-size-heading: 24px;

  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 48px;
  --spacing-xl: 80px;

  --max-width: 1400px;
  --content-width: 900px;
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

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

a {
  color: var(--text-color);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

a:hover {
  opacity: 0.6;
}

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

ul {
  list-style: none;
}

/* ===================================
   Header & Navigation
   =================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--background-color);
  z-index: 100;
  border-bottom: 1px solid var(--border-color);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo a {
  font-size: var(--font-size-large);
  font-weight: 300;
  letter-spacing: 0.05em;
  text-transform: lowercase;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-md);
}

.nav-menu a {
  font-size: var(--font-size-small);
  font-weight: 400;
  letter-spacing: 0.02em;
  text-transform: lowercase;
}

.nav-menu a.active {
  border-bottom: 1px solid var(--text-color);
}

/* Mobile Navigation Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  width: 32px;
  height: 32px;
  position: relative;
  z-index: 150;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background-color: var(--text-color);
  position: absolute;
  left: 4px;
  transition: all 0.3s ease;
}

.nav-toggle span:nth-child(1) {
  top: 10px;
}

.nav-toggle span:nth-child(2) {
  top: 16px;
}

.nav-toggle span:nth-child(3) {
  top: 22px;
}

/* Hamburger to X animation */
.nav-toggle.active span:nth-child(1) {
  top: 16px;
  transform: rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
  top: 16px;
  transform: rotate(-45deg);
}

/* ===================================
   Main Content
   =================================== */
main {
  margin-top: 80px;
  min-height: calc(100vh - 160px);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.content-narrow {
  max-width: var(--content-width);
  margin: 0 auto;
}

/* ===================================
   Hero Section (Home Page)
   =================================== */
.hero {
  height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  margin-bottom: var(--spacing-md);
}

.hero-content p {
  font-size: var(--font-size-large);
  color: var(--secondary-color);
  font-weight: 300;
}

/* ===================================
   Gallery Grid
   =================================== */
.gallery-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.gallery-header h1 {
  font-size: var(--font-size-heading);
  font-weight: 300;
  letter-spacing: 0.05em;
  text-transform: lowercase;
}

.gallery-description {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-small);
  color: var(--secondary-color);
  font-weight: 300;
  letter-spacing: 0.02em;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.gallery-item {
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background-color: var(--light-gray);
  transition: opacity 0.3s ease;
}

.gallery-item:hover img {
  opacity: 0.9;
}

.gallery-item-info {
  margin-top: var(--spacing-sm);
  text-align: center;
}

.gallery-item-title {
  font-size: var(--font-size-base);
  font-weight: 400;
  font-style: italic;
  margin-bottom: 4px;
}

.gallery-item-details {
  font-size: var(--font-size-small);
  color: var(--secondary-color);
}

/* ===================================
   About Page
   =================================== */
.about-section {
  padding: var(--spacing-xl) 0;
}

.about-content {
  max-width: 700px;
  margin: 0 auto;
}

.about-content h1 {
  font-size: var(--font-size-heading);
  font-weight: 300;
  letter-spacing: 0.05em;
  text-transform: lowercase;
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.about-content p {
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.about-content h2 {
  font-size: var(--font-size-large);
  font-weight: 400;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.cv-list {
  margin-bottom: var(--spacing-lg);
}

.cv-item {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-small);
}

.cv-year {
  flex-shrink: 0;
  width: 50px;
  color: var(--secondary-color);
}

.cv-description {
  flex: 1;
}

.rug-statement {
  margin-bottom: var(--spacing-xl);
}

/* ===================================
   Contact Page
   =================================== */
.contact-section {
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.contact-content h1 {
  font-size: var(--font-size-heading);
  font-weight: 300;
  letter-spacing: 0.05em;
  text-transform: lowercase;
  margin-bottom: var(--spacing-lg);
}

.contact-content p {
  margin-bottom: var(--spacing-md);
  color: var(--secondary-color);
}

.contact-content a {
  color: var(--text-color);
  border-bottom: 1px solid var(--border-color);
}

.contact-content a:hover {
  border-bottom-color: var(--text-color);
}

.social-links {
  margin-top: var(--spacing-lg);
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

.social-links a {
  font-size: var(--font-size-small);
  text-transform: lowercase;
}

/* ===================================
   Lightbox (for viewing full images)
   =================================== */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.98);
  z-index: 200;
  padding: var(--spacing-lg);
  overflow-y: auto;
}

.lightbox.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  text-align: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  margin: 0 auto;
}

.lightbox-info {
  margin-top: var(--spacing-md);
}

.lightbox-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  padding: var(--spacing-xs);
  opacity: 0.6;
}

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

/* ===================================
   Footer
   =================================== */
footer {
  padding: var(--spacing-lg);
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  font-size: var(--font-size-small);
  color: var(--secondary-color);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 24px;
    --spacing-xl: 48px;
  }

  .header-container {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  header {
    border-bottom: none;
  }

  .nav-toggle {
    display: block;
  }

  /* Full-screen mobile menu */
  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--background-color);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 140;
  }

  .nav-menu.active {
    display: flex;
    opacity: 1;
    visibility: visible;
  }

  .nav-menu a {
    font-size: 1.75rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    text-transform: lowercase;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  .nav-menu.active a {
    opacity: 1;
    transform: translateY(0);
  }

  /* Stagger the menu item animations */
  .nav-menu.active a:nth-child(1) { transition-delay: 0.1s; }
  .nav-menu.active a:nth-child(2) { transition-delay: 0.15s; }
  .nav-menu.active a:nth-child(3) { transition-delay: 0.2s; }
  .nav-menu.active a:nth-child(4) { transition-delay: 0.25s; }
  .nav-menu.active a:nth-child(5) { transition-delay: 0.3s; }
  .nav-menu.active a:nth-child(6) { transition-delay: 0.35s; }

  .nav-menu a.active {
    border-bottom: none;
  }

  /* Prevent body scroll when menu is open */
  body.menu-open {
    overflow: hidden;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  main {
    margin-top: 60px;
  }

  .cv-item {
    flex-direction: column;
    gap: 4px;
  }

  .cv-year {
    width: auto;
  }
}

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

  .container {
    padding: var(--spacing-md);
  }
}

/* ===================================
   Utility Classes
   =================================== */
.text-center {
  text-align: center;
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}