:root {
  /* Colors */
  --primary-color: #43464C;
  --accent-color: #48577D;
  --background-color: #f1f1f1;
  --white: #ffffff;
  --shadow-color: rgba(60, 120, 250, 0.2);

  /* Typography */
  --font-family: 'Assistant', sans-serif;
  --font-size-base: 16px;
  --font-size-small: 16px;
  --font-size-medium: 20px;
  --font-size-large: 24px;
  --font-size-xl: 30px;
  --line-height-base: 1.5;
  --line-height-tight: 1.2;

  /* Spacing */
  --spacing-xs: 5px;
  --spacing-sm: 10px;
  --spacing-md: 15px;
  --spacing-lg: 20px;
  --spacing-xl: 25px;
  --spacing-2xl: 50px;

  /* Layout */
  --container-width: 75%;
  --container-width-mobile: 90%;
  --border-radius: 5px;
  --transition-speed: 0.3s;
}

* {
  margin: 0;
  padding: 0;
  outline: 0;
  font-size: 100%;
  vertical-align: baseline;
  image-rendering: -webkit-optimize-contrast;
  box-sizing: border-box;
}

@font-face {
  font-family: 'Assistant';
  src: url('fonts/Assistant.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

html {
  font-family: var(--font-family), serif;
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
}

body {
  width: 100%;
  color: var(--primary-color);
}

/* Header and Navigation */
header {
  padding: 2% 5%;
}

h1 {
  font-size: var(--font-size-xl);
  text-align: center;
  color: var(--primary-color);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: var(--font-size-large);
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

h3 {
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xs);
  font-size: var(--font-size-medium);
  color: var(--primary-color);
}

nav {
  padding-top: var(--spacing-2xl);
  text-align: right;
}

nav a {
  text-decoration: none;
  color: var(--primary-color);
  font-weight: 700;
  font-size: var(--font-size-medium);
  text-wrap: nowrap;
  transition: color var(--transition-speed) ease;
}

a:hover,
a:focus {
  color: var(--accent-color);
  text-decoration: underline;
}

nav .home {
  display: inline-block;
  float: left;
  font-size: var(--font-size-xl);
}

nav .menu_item {
  display: inline-block;
  padding-left: var(--spacing-lg);
}

nav .menu_item.selected {
  text-decoration: underline;
}

nav .dropdown .menu_item {
  line-height: 1.5;
}

/* Dropdown Menu */
.dropdown {
  position: relative;
}

.dropdown_button {
  text-decoration: none;
  color: var(--primary-color);
  font-weight: 700;
  font-size: var(--font-size-medium);
  cursor: pointer;
  transition: color var(--transition-speed) ease;
}

.dropdown_button:hover,
.dropdown_button:focus {
  color: var(--accent-color);
}

.dropdown_content {
  display: none;
  position: absolute;
  background-color: var(--background-color);
  min-width: 160px;
  z-index: 1;
  padding: var(--spacing-md);
  right: 0;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 14px var(--shadow-color);
  transition: opacity var(--transition-speed) ease;
}

.dropdown_content a {
  display: block;
  padding: var(--spacing-xs) 0;
}

.dropdown:hover .dropdown_content,
.dropdown:focus-within .dropdown_content {
  display: block;
}

.dropdown_content.show {
  display: block;
}

/* Layout Containers */
.container {
  width: var(--container-width);
  padding: var(--spacing-md);
  background: var(--white);
  box-shadow: 0 4px 14px var(--shadow-color);
  border-radius: var(--border-radius);
  margin: var(--spacing-xl) auto;
}

/* Grid Layout for Square Photos */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  padding: 5%;
}

.grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--border-radius);
}

.container.work {
  text-align: center;
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.container.work:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--shadow-color);
}

.container.work img {
  max-width: 94%;
  max-height: 90vh;
  margin: 0 auto;
  padding: 2%;
  transition: transform var(--transition-speed) ease;
}

.container.work img:hover {
  transform: scale(1.02);
}

.painting-img {
  cursor: pointer;
}

.container.bio {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.container.bio img {
  height: 250px;
  object-fit: cover;
  padding-left: var(--spacing-lg);
}

/* Text Content */
.text {
  padding: 5%;
  line-height: var(--line-height-base);
  max-width: 1000px;
}

.text h2 {
  font-size: var(--font-size-large);
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.text p {
  padding-bottom: var(--spacing-xs);
  line-height: var(--line-height-base);
}

.text.indented p {
  text-indent: 2em;
}

.text a {
  text-decoration: none;
  color: var(--primary-color);
  font-weight: 700;
  transition: color var(--transition-speed) ease;
}

.text a:hover,
.text a:focus {
  text-decoration: underline;
  color: var(--accent-color);
}

.text.bio {
  display: inline;
}

/* Utility Classes */
sup {
  position: relative;
  top: -0.5em;
  font-size: 0.75em;
  line-height: 0;
}

.contact_frame {
  margin: auto;
  padding: var(--spacing-lg);
}

/* Fullscreen Viewer */
.fullscreen-viewer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1000;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-speed) ease, visibility var(--transition-speed) ease;
}

.fullscreen-viewer.active {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  visibility: visible;
}

.viewer-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #404040;
  opacity: inherit;
  transition: opacity var(--transition-speed) ease;
}

.viewer-content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 95vw;
  max-height: 95vh;
  z-index: 1001;
  padding: var(--spacing-sm) 0 var(--spacing-2xl) 0;
  transform: scale(0.98);
  transition: transform var(--transition-speed) ease;
}

.fullscreen-viewer.active .viewer-content {
  transform: scale(1);
}

.viewer-close {
  position: relative;
  align-self: flex-end;
  background: none;
  border: none;
  color: var(--white);
  font-size: 40px;
  cursor: pointer;
  padding: var(--spacing-sm);
  line-height: 1;
  transition: color var(--transition-speed) ease;
  z-index: 1002;
  margin-bottom: var(--spacing-xs);
}

.viewer-close:hover,
.viewer-close:focus {
  color: #cccccc;
  outline: none;
}

.viewer-image-container {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  max-height: calc(100vh - 140px);
}

.viewer-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--border-radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}


/* Footer */
footer {
  padding: 5%;
  text-align: center;
  color: var(--primary-color);
}

/* Large Screen Layout */
@media only screen and (min-width: 2000px) {
  .grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Mobile Responsive Design */
@media only screen and (max-width: 800px) {
  .container.bio {
    display: block;
  }

  .container.bio img {
    height: 200px;
    display: block;
    margin: 0 auto var(--spacing-lg) auto;
  }

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

@media only screen and (max-width: 600px) {
  :root {
    --font-size-xl: 20px;
    --font-size-medium: 16px;
    --spacing-lg: 8px;
  }

  nav {
    padding-top: var(--spacing-lg);
  }

  nav .home {
    font-size: var(--font-size-xl);
  }

  nav .menu_item {
    font-size: var(--font-size-small);
    padding-left: var(--spacing-lg);
  }

  .container {
    width: var(--container-width-mobile);
    margin: var(--spacing-md) auto;
  }

  .dropdown_content {
    min-width: 140px;
  }

  h1 {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-md);
    padding-top: var(--spacing-xl);
  }

  .viewer-close {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
  }
}